Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6: (55 commits)
  video: udlfb: Kill off special printk wrappers, use pr_fmt().
  video: udlfb: Kill off some magic constants for EDID sizing.
  video: udlfb: deifdefify (yes, that's a word).
  fbdev: modedb: Add a new mode for 864x480 TAAL panels.
  drivers/video/i810/i810-i2c.c: fix i2c bus handling
  video: Fix the HGA framebuffer driver
  drivers/video/carminefb.c: improve error handling
  video: imxfb: Fix the maximum value for yres
  fbdev: sh_mobile_lcdcfb: Enable 32 bpp and 24 bpp support
  fbdev: sh_mipi_dsi: use platform provided register layout and values
  ARM: mach-shmobile: specify sh7372 MIPI DSI register layout
  fbdev: sh_mipi_dsi: support different register layouts
  ARM: mach-shmobile: improve MIPI DSI clock configuration
  fbdev: sh-mobile: implement MIPI DSI runtime PM support
  sisfb: eliminate compiler warnings
  sisfb: delete unused register I/O macros
  sisfb: replace setSISIDXREG with SiS_SetRegANDOR
  sisfb: replace andSISIDXREG with SiS_SetRegAND
  sisfb: replace orSISIDXREG with SiS_SetRegOR
  sisfb: replace outSISIDXREG with SiS_SetReg
  ...

arch/arm/mach-shmobile/board-ap4evb.c

@@ -501,7 +501,12 @@ static struct platform_device keysc_device = {
 static struct resource mipidsi0_resources[] = {
 	[0] = {
 		.start  = 0xffc60000,
-		.end    = 0xffc68fff,
+		.end    = 0xffc63073,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 0xffc68000,
+		.end    = 0xffc680ef,
 		.flags  = IORESOURCE_MEM,
 	},
 };
@@ -509,6 +514,7 @@ static struct resource mipidsi0_resources[] = {
 static struct sh_mipi_dsi_info mipidsi0_info = {
 	.data_format	= MIPI_RGB888,
 	.lcd_chan	= &lcdc_info.ch[0],
+	.vsynw_offset	= 17,
 };
 
 static struct platform_device mipidsi0_device = {
@@ -521,44 +527,6 @@ static struct platform_device mipidsi0_device = {
 	},
 };
 
-/* This function will disappear when we switch to (runtime) PM */
-static int __init ap4evb_init_display_clk(void)
-{
-	struct clk *lcdc_clk;
-	struct clk *dsitx_clk;
-	int ret;
-
-	lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
-	if (IS_ERR(lcdc_clk))
-		return PTR_ERR(lcdc_clk);
-
-	dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
-	if (IS_ERR(dsitx_clk)) {
-		ret = PTR_ERR(dsitx_clk);
-		goto eclkdsitxget;
-	}
-
-	ret = clk_enable(lcdc_clk);
-	if (ret < 0)
-		goto eclklcdcon;
-
-	ret = clk_enable(dsitx_clk);
-	if (ret < 0)
-		goto eclkdsitxon;
-
-	return 0;
-
-eclkdsitxon:
-	clk_disable(lcdc_clk);
-eclklcdcon:
-	clk_put(dsitx_clk);
-eclkdsitxget:
-	clk_put(lcdc_clk);
-
-	return ret;
-}
-device_initcall(ap4evb_init_display_clk);
-
 static struct platform_device *qhd_devices[] __initdata = {
 	&mipidsi0_device,
 	&keysc_device,
@@ -764,10 +732,15 @@ static struct platform_device lcdc1_device = {
 	},
 };
 
+static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
+				unsigned long *parent_freq);
+
+
 static struct sh_mobile_hdmi_info hdmi_info = {
 	.lcd_chan = &sh_mobile_lcdc1_info.ch[0],
 	.lcd_dev = &lcdc1_device.dev,
 	.flags = HDMI_SND_SRC_SPDIF,
+	.clk_optimize_parent = ap4evb_clk_optimize,
 };
 
 static struct resource hdmi_resources[] = {
@@ -794,6 +767,25 @@ static struct platform_device hdmi_device = {
 	},
 };
 
+static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
+				unsigned long *parent_freq)
+{
+	struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
+	long error;
+
+	if (IS_ERR(hdmi_ick)) {
+		int ret = PTR_ERR(hdmi_ick);
+		pr_err("Cannot get HDMI ICK: %d\n", ret);
+		return ret;
+	}
+
+	error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
+
+	clk_put(hdmi_ick);
+
+	return error;
+}
+
 static struct gpio_led ap4evb_leds[] = {
 	{
 		.name			= "led4",

arch/arm/mach-shmobile/clock-sh7372.c

@@ -507,7 +507,7 @@ enum { MSTP001,
        MSTP223,
        MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
        MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
-       MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
+       MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
        MSTP_NR };
 
 #define MSTP(_parent, _reg, _bit, _flags) \
@@ -543,6 +543,7 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */
 	[MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */
 	[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */
+	[MSTP423] = MSTP(&div4_clks[DIV4_B], SMSTPCR4, 23, 0), /* DSITX1 */
 	[MSTP415] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */
 	[MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */
 	[MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */
@@ -596,9 +597,10 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]),
 	CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]),
 	CLKDEV_CON_ID("hdmi_clk", &div6_reparent_clks[DIV6_HDMI]),
-	CLKDEV_CON_ID("dsit_clk", &div6_clks[DIV6_DSIT]),
-	CLKDEV_CON_ID("dsi0p_clk", &div6_clks[DIV6_DSI0P]),
-	CLKDEV_CON_ID("dsi1p_clk", &div6_clks[DIV6_DSI1P]),
+	CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]),
+	CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]),
+	CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]),
+	CLKDEV_ICK_ID("dsi1p_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]),
 
 	/* MSTP32 clocks */
 	CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */
@@ -610,7 +612,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh-mobile-csi2.0", &mstp_clks[MSTP126]), /* CSI2 */
 	CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */
 	CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */
-	CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */
+	CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX0 */
 	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */
@@ -633,6 +635,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
 	CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */
+	CLKDEV_DEV_ID("sh-mipi-dsi.1", &mstp_clks[MSTP423]), /* DSITX1 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), /* SDHI2 */
 	CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */
 	CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */

drivers/staging/Kconfig

@@ -111,8 +111,6 @@ source "drivers/staging/vt6655/Kconfig"
 
 source "drivers/staging/vt6656/Kconfig"
 
-source "drivers/staging/udlfb/Kconfig"
-
 source "drivers/staging/hv/Kconfig"
 
 source "drivers/staging/vme/Kconfig"

drivers/staging/Makefile

@@ -38,7 +38,6 @@ obj-$(CONFIG_USB_SERIAL_QUATECH_USB2)	+= quatech_usb2/
 obj-$(CONFIG_OCTEON_ETHERNET)	+= octeon/
 obj-$(CONFIG_VT6655)		+= vt6655/
 obj-$(CONFIG_VT6656)		+= vt6656/
-obj-$(CONFIG_FB_UDL)		+= udlfb/
 obj-$(CONFIG_HYPERV)		+= hv/
 obj-$(CONFIG_VME_BUS)		+= vme/
 obj-$(CONFIG_MRST_RAR_HANDLER)	+= memrar/

drivers/staging/udlfb/Kconfig

@@ -1,14 +0,0 @@
-config FB_UDL
-	tristate "Displaylink USB Framebuffer support"
-	depends on FB && USB
-	select FB_MODE_HELPERS
-	select FB_SYS_FILLRECT
-	select FB_SYS_COPYAREA
-	select FB_SYS_IMAGEBLIT
-	select FB_SYS_FOPS
-	select FB_DEFERRED_IO
-	---help---
-	  This is a kernel framebuffer driver for DisplayLink USB devices.
-	  Supports fbdev clients like xf86-video-fbdev, kdrive, fbi, and
-	  mplayer -vo fbdev. Supports all USB 2.0 era DisplayLink devices.
-	  To compile as a module, choose M here: the module name is udlfb.

drivers/staging/udlfb/Makefile

@@ -1 +0,0 @@
-obj-$(CONFIG_FB_UDL)		+= udlfb.o

drivers/video/Kconfig

@@ -186,6 +186,14 @@ config FB_SYS_FOPS
        depends on FB
        default n
 
+config FB_WMT_GE_ROPS
+	tristate
+	depends on FB
+	default n
+	---help---
+	  Include functions for accelerated rectangle filling and area
+	  copying using WonderMedia Graphics Engine operations.
+
 config FB_DEFERRED_IO
 	bool
 	depends on FB
@@ -635,6 +643,72 @@ config FB_BFIN_LQ035Q1
 	  To compile this driver as a module, choose M here: the
 	  module will be called bfin-lq035q1-fb.
 
+config FB_BF537_LQ035
+	tristate "SHARP LQ035 TFT LCD (BF537 STAMP)"
+	depends on FB && (BF534 || BF536 || BF537) && I2C_BLACKFIN_TWI
+	select FB_CFB_FILLRECT
+	select FB_CFB_COPYAREA
+	select FB_CFB_IMAGEBLIT
+	select BFIN_GPTIMERS
+	help
+	  This is the framebuffer device for a SHARP LQ035Q7DB03 TFT LCD
+	  attached to a BF537.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called bf537-lq035.
+
+config FB_BFIN_7393
+	tristate "Blackfin ADV7393 Video encoder"
+	depends on FB && BLACKFIN
+	select I2C
+	select FB_CFB_FILLRECT
+	select FB_CFB_COPYAREA
+	select FB_CFB_IMAGEBLIT
+	help
+	  This is the framebuffer device for a ADV7393 video encoder
+	  attached to a Blackfin on the PPI port.
+	  If your Blackfin board has a ADV7393 select Y.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called bfin_adv7393fb.
+
+choice
+	prompt  "Video mode support"
+	depends on FB_BFIN_7393
+	default NTSC
+
+config NTSC
+	bool 'NTSC 720x480'
+
+config PAL
+	bool 'PAL 720x576'
+
+config NTSC_640x480
+	bool 'NTSC 640x480 (Experimental)'
+
+config PAL_640x480
+	bool 'PAL 640x480 (Experimental)'
+
+config NTSC_YCBCR
+	bool 'NTSC 720x480 YCbCR input'
+
+config PAL_YCBCR
+	bool 'PAL 720x576 YCbCR input'
+
+endchoice
+
+choice
+	prompt  "Size of ADV7393 frame buffer memory Single/Double Size"
+	depends on (FB_BFIN_7393)
+	default ADV7393_1XMEM
+
+config ADV7393_1XMEM
+	bool 'Single'
+
+config ADV7393_2XMEM
+	bool 'Double'
+endchoice
+
 config FB_STI
 	tristate "HP STI frame buffer device support"
 	depends on FB && PARISC
@@ -750,24 +824,14 @@ config FB_N411
 config FB_HGA
 	tristate "Hercules mono graphics support"
 	depends on FB && X86
-	select FB_CFB_FILLRECT
-	select FB_CFB_COPYAREA
-	select FB_CFB_IMAGEBLIT
 	help
 	  Say Y here if you have a Hercules mono graphics card.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called hgafb.
 
-	  As this card technology is 15 years old, most people will answer N
-	  here.
-
-config FB_HGA_ACCEL
-	bool "Hercules mono Acceleration functions (EXPERIMENTAL)"
-	depends on FB_HGA && EXPERIMENTAL
-	---help---
-	This will compile the Hercules mono graphics with
-	acceleration functions.
+	  As this card technology is at least 25 years old,
+	  most people will answer N here.
 
 config FB_SGIVW
 	tristate "SGI Visual Workstation framebuffer support"
@@ -1722,6 +1786,24 @@ config FB_AU1200
 	  various panels and CRTs by passing in kernel cmd line option
 	  au1200fb:panel=<name>.
 
+config FB_VT8500
+	bool "VT8500 LCD Driver"
+	depends on (FB = y) && ARM && ARCH_VT8500 && VTWM_VERSION_VT8500
+	select FB_WMT_GE_ROPS
+	select FB_SYS_IMAGEBLIT
+	help
+	  This is the framebuffer driver for VIA VT8500 integrated LCD
+	  controller.
+
+config FB_WM8505
+	bool "WM8505 frame buffer support"
+	depends on (FB = y) && ARM && ARCH_VT8500 && VTWM_VERSION_WM8505
+	select FB_WMT_GE_ROPS
+	select FB_SYS_IMAGEBLIT
+	help
+	  This is the framebuffer driver for WonderMedia WM8505
+	  integrated LCD controller.
+
 source "drivers/video/geode/Kconfig"
 
 config FB_HIT
@@ -2034,6 +2116,20 @@ config FB_SM501
 
 	  If unsure, say N.
 
+config FB_UDL
+	tristate "Displaylink USB Framebuffer support"
+	depends on FB && USB
+	select FB_MODE_HELPERS
+	select FB_SYS_FILLRECT
+	select FB_SYS_COPYAREA
+	select FB_SYS_IMAGEBLIT
+	select FB_SYS_FOPS
+	select FB_DEFERRED_IO
+	---help---
+	  This is a kernel framebuffer driver for DisplayLink USB devices.
+	  Supports fbdev clients like xf86-video-fbdev, kdrive, fbi, and
+	  mplayer -vo fbdev. Supports all USB 2.0 era DisplayLink devices.
+	  To compile as a module, choose M here: the module name is udlfb.
 
 config FB_PNX4008_DUM
 	tristate "Display Update Module support on Philips PNX4008 board"

drivers/video/Makefile

@@ -26,6 +26,7 @@ obj-$(CONFIG_FB_SVGALIB)       += svgalib.o
 obj-$(CONFIG_FB_MACMODES)      += macmodes.o
 obj-$(CONFIG_FB_DDC)           += fb_ddc.o
 obj-$(CONFIG_FB_DEFERRED_IO)   += fb_defio.o
+obj-$(CONFIG_FB_WMT_GE_ROPS)   += wmt_ge_rops.o
 
 # Hardware specific drivers go first
 obj-$(CONFIG_FB_AMIGA)            += amifb.o c2p_planar.o
@@ -104,6 +105,8 @@ obj-$(CONFIG_FB_W100)		  += w100fb.o
 obj-$(CONFIG_FB_TMIO)		  += tmiofb.o
 obj-$(CONFIG_FB_AU1100)		  += au1100fb.o
 obj-$(CONFIG_FB_AU1200)		  += au1200fb.o
+obj-$(CONFIG_FB_VT8500)		  += vt8500lcdfb.o
+obj-$(CONFIG_FB_WM8505)		  += wm8505fb.o
 obj-$(CONFIG_FB_PMAG_AA)	  += pmag-aa-fb.o
 obj-$(CONFIG_FB_PMAG_BA)	  += pmag-ba-fb.o
 obj-$(CONFIG_FB_PMAGB_B)	  += pmagb-b-fb.o
@@ -122,6 +125,7 @@ obj-$(CONFIG_FB_PNX4008_DUM_RGB)  += pnx4008/
 obj-$(CONFIG_FB_IBM_GXT4500)	  += gxt4500.o
 obj-$(CONFIG_FB_PS3)		  += ps3fb.o
 obj-$(CONFIG_FB_SM501)            += sm501fb.o
+obj-$(CONFIG_FB_UDL)		  += udlfb.o
 obj-$(CONFIG_FB_XILINX)           += xilinxfb.o
 obj-$(CONFIG_SH_MIPI_DSI)	  += sh_mipi_dsi.o
 obj-$(CONFIG_FB_SH_MOBILE_HDMI)	  += sh_mobile_hdmi.o
@@ -141,9 +145,11 @@ obj-$(CONFIG_FB_VESA)             += vesafb.o
 obj-$(CONFIG_FB_EFI)              += efifb.o
 obj-$(CONFIG_FB_VGA16)            += vga16fb.o
 obj-$(CONFIG_FB_OF)               += offb.o
+obj-$(CONFIG_FB_BF537_LQ035)      += bf537-lq035.o
 obj-$(CONFIG_FB_BF54X_LQ043)	  += bf54x-lq043fb.o
 obj-$(CONFIG_FB_BFIN_LQ035Q1)     += bfin-lq035q1-fb.o
 obj-$(CONFIG_FB_BFIN_T350MCQB)	  += bfin-t350mcqb-fb.o
+obj-$(CONFIG_FB_BFIN_7393)        += bfin_adv7393fb.o
 obj-$(CONFIG_FB_MX3)		  += mx3fb.o
 obj-$(CONFIG_FB_DA8XX)		  += da8xx-fb.o
 

drivers/video/bf537-lq035.c

@@ -0,0 +1,914 @@
+/*
+ * Analog Devices Blackfin(BF537 STAMP) + SHARP TFT LCD.
+ * http://docs.blackfin.uclinux.org/doku.php?id=hw:cards:tft-lcd
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ * Licensed under the GPL-2.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/device.h>
+#include <linux/backlight.h>
+#include <linux/lcd.h>
+#include <linux/i2c.h>
+#include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+
+#include <asm/blackfin.h>
+#include <asm/irq.h>
+#include <asm/dpmc.h>
+#include <asm/dma.h>
+#include <asm/portmux.h>
+
+#define NO_BL 1
+
+#define MAX_BRIGHENESS	95
+#define MIN_BRIGHENESS	5
+#define NBR_PALETTE	256
+
+static const unsigned short ppi_pins[] = {
+	P_PPI0_CLK, P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3,
+	P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7,
+	P_PPI0_D8, P_PPI0_D9, P_PPI0_D10, P_PPI0_D11,
+	P_PPI0_D12, P_PPI0_D13, P_PPI0_D14, P_PPI0_D15, 0
+};
+
+static unsigned char *fb_buffer;          /* RGB Buffer */
+static unsigned long *dma_desc_table;
+static int t_conf_done, lq035_open_cnt;
+static DEFINE_SPINLOCK(bfin_lq035_lock);
+
+static int landscape;
+module_param(landscape, int, 0);
+MODULE_PARM_DESC(landscape,
+	"LANDSCAPE use 320x240 instead of Native 240x320 Resolution");
+
+static int bgr;
+module_param(bgr, int, 0);
+MODULE_PARM_DESC(bgr,
+	"BGR use 16-bit BGR-565 instead of RGB-565");
+
+static int nocursor = 1;
+module_param(nocursor, int, 0644);
+MODULE_PARM_DESC(nocursor, "cursor enable/disable");
+
+static unsigned long current_brightness;  /* backlight */
+
+/* AD5280 vcomm */
+static unsigned char vcomm_value = 150;
+static struct i2c_client *ad5280_client;
+
+static void set_vcomm(void)
+{
+	int nr;
+
+	if (!ad5280_client)
+		return;
+
+	nr = i2c_smbus_write_byte_data(ad5280_client, 0x00, vcomm_value);
+	if (nr)
+		pr_err("i2c_smbus_write_byte_data fail: %d\n", nr);
+}
+
+static int __devinit ad5280_probe(struct i2c_client *client,
+				  const struct i2c_device_id *id)
+{
+	int ret;
+	if (!i2c_check_functionality(client->adapter,
+				     I2C_FUNC_SMBUS_BYTE_DATA)) {
+		dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
+		return -EIO;
+	}
+
+	ret = i2c_smbus_write_byte_data(client, 0x00, vcomm_value);
+	if (ret) {
+		dev_err(&client->dev, "write fail: %d\n", ret);
+		return ret;
+	}
+
+	ad5280_client = client;
+
+	return 0;
+}
+
+static int __devexit ad5280_remove(struct i2c_client *client)
+{
+	ad5280_client = NULL;
+	return 0;
+}
+
+static const struct i2c_device_id ad5280_id[] = {
+	{"bf537-lq035-ad5280", 0},
+	{}
+};
+
+MODULE_DEVICE_TABLE(i2c, ad5280_id);
+
+static struct i2c_driver ad5280_driver = {
+	.driver = {
+		.name = "bf537-lq035-ad5280",
+	},
+	.probe = ad5280_probe,
+	.remove = __devexit_p(ad5280_remove),
+	.id_table = ad5280_id,
+};
+
+#ifdef CONFIG_PNAV10
+#define MOD GPIO_PH13
+
+#define bfin_write_TIMER_LP_CONFIG	bfin_write_TIMER0_CONFIG
+#define bfin_write_TIMER_LP_WIDTH	bfin_write_TIMER0_WIDTH
+#define bfin_write_TIMER_LP_PERIOD	bfin_write_TIMER0_PERIOD
+#define bfin_read_TIMER_LP_COUNTER	bfin_read_TIMER0_COUNTER
+#define TIMDIS_LP			TIMDIS0
+#define TIMEN_LP			TIMEN0
+
+#define bfin_write_TIMER_SPS_CONFIG	bfin_write_TIMER1_CONFIG
+#define bfin_write_TIMER_SPS_WIDTH	bfin_write_TIMER1_WIDTH
+#define bfin_write_TIMER_SPS_PERIOD	bfin_write_TIMER1_PERIOD
+#define TIMDIS_SPS			TIMDIS1
+#define TIMEN_SPS			TIMEN1
+
+#define bfin_write_TIMER_SP_CONFIG	bfin_write_TIMER5_CONFIG
+#define bfin_write_TIMER_SP_WIDTH	bfin_write_TIMER5_WIDTH
+#define bfin_write_TIMER_SP_PERIOD	bfin_write_TIMER5_PERIOD
+#define TIMDIS_SP			TIMDIS5
+#define TIMEN_SP			TIMEN5
+
+#define bfin_write_TIMER_PS_CLS_CONFIG	bfin_write_TIMER2_CONFIG
+#define bfin_write_TIMER_PS_CLS_WIDTH	bfin_write_TIMER2_WIDTH
+#define bfin_write_TIMER_PS_CLS_PERIOD	bfin_write_TIMER2_PERIOD
+#define TIMDIS_PS_CLS			TIMDIS2
+#define TIMEN_PS_CLS			TIMEN2
+
+#define bfin_write_TIMER_REV_CONFIG	bfin_write_TIMER3_CONFIG
+#define bfin_write_TIMER_REV_WIDTH	bfin_write_TIMER3_WIDTH
+#define bfin_write_TIMER_REV_PERIOD	bfin_write_TIMER3_PERIOD
+#define TIMDIS_REV			TIMDIS3
+#define TIMEN_REV			TIMEN3
+#define bfin_read_TIMER_REV_COUNTER	bfin_read_TIMER3_COUNTER
+
+#define	FREQ_PPI_CLK         (5*1024*1024)  /* PPI_CLK 5MHz */
+
+#define TIMERS {P_TMR0, P_TMR1, P_TMR2, P_TMR3, P_TMR5, 0}
+
+#else
+
+#define UD      GPIO_PF13	/* Up / Down */
+#define MOD     GPIO_PF10
+#define LBR     GPIO_PF14	/* Left Right */
+
+#define bfin_write_TIMER_LP_CONFIG	bfin_write_TIMER6_CONFIG
+#define bfin_write_TIMER_LP_WIDTH	bfin_write_TIMER6_WIDTH
+#define bfin_write_TIMER_LP_PERIOD	bfin_write_TIMER6_PERIOD
+#define bfin_read_TIMER_LP_COUNTER	bfin_read_TIMER6_COUNTER
+#define TIMDIS_LP			TIMDIS6
+#define TIMEN_LP			TIMEN6
+
+#define bfin_write_TIMER_SPS_CONFIG	bfin_write_TIMER1_CONFIG
+#define bfin_write_TIMER_SPS_WIDTH	bfin_write_TIMER1_WIDTH
+#define bfin_write_TIMER_SPS_PERIOD	bfin_write_TIMER1_PERIOD
+#define TIMDIS_SPS			TIMDIS1
+#define TIMEN_SPS			TIMEN1
+
+#define bfin_write_TIMER_SP_CONFIG	bfin_write_TIMER0_CONFIG
+#define bfin_write_TIMER_SP_WIDTH	bfin_write_TIMER0_WIDTH
+#define bfin_write_TIMER_SP_PERIOD	bfin_write_TIMER0_PERIOD
+#define TIMDIS_SP			TIMDIS0
+#define TIMEN_SP			TIMEN0
+
+#define bfin_write_TIMER_PS_CLS_CONFIG	bfin_write_TIMER7_CONFIG
+#define bfin_write_TIMER_PS_CLS_WIDTH	bfin_write_TIMER7_WIDTH
+#define bfin_write_TIMER_PS_CLS_PERIOD	bfin_write_TIMER7_PERIOD
+#define TIMDIS_PS_CLS			TIMDIS7
+#define TIMEN_PS_CLS			TIMEN7
+
+#define bfin_write_TIMER_REV_CONFIG	bfin_write_TIMER5_CONFIG
+#define bfin_write_TIMER_REV_WIDTH	bfin_write_TIMER5_WIDTH
+#define bfin_write_TIMER_REV_PERIOD	bfin_write_TIMER5_PERIOD
+#define TIMDIS_REV			TIMDIS5
+#define TIMEN_REV			TIMEN5
+#define bfin_read_TIMER_REV_COUNTER	bfin_read_TIMER5_COUNTER
+
+#define	FREQ_PPI_CLK         (6*1000*1000)  /* PPI_CLK 6MHz */
+#define TIMERS {P_TMR0, P_TMR1, P_TMR5, P_TMR6, P_TMR7, 0}
+
+#endif
+
+#define LCD_X_RES			240 /* Horizontal Resolution */
+#define LCD_Y_RES			320 /* Vertical Resolution */
+
+#define LCD_BBP				16  /* Bit Per Pixel */
+
+/* the LCD and the DMA start counting differently;
+ * since one starts at 0 and the other starts at 1,
+ * we have a difference of 1 between START_LINES
+ * and U_LINES.
+ */
+#define START_LINES       8   /* lines for field flyback or field blanking signal */
+#define U_LINES           9   /* number of undisplayed blanking lines */
+
+#define FRAMES_PER_SEC    (60)
+
+#define DCLKS_PER_FRAME   (FREQ_PPI_CLK/FRAMES_PER_SEC)
+#define DCLKS_PER_LINE    (DCLKS_PER_FRAME/(LCD_Y_RES+U_LINES))
+
+#define PPI_CONFIG_VALUE  (PORT_DIR|XFR_TYPE|DLEN_16|POLS)
+#define PPI_DELAY_VALUE   (0)
+#define TIMER_CONFIG      (PWM_OUT|PERIOD_CNT|TIN_SEL|CLK_SEL)
+
+#define ACTIVE_VIDEO_MEM_OFFSET	(LCD_X_RES*START_LINES*(LCD_BBP/8))
+#define ACTIVE_VIDEO_MEM_SIZE	(LCD_Y_RES*LCD_X_RES*(LCD_BBP/8))
+#define TOTAL_VIDEO_MEM_SIZE	((LCD_Y_RES+U_LINES)*LCD_X_RES*(LCD_BBP/8))
+#define TOTAL_DMA_DESC_SIZE	(2 * sizeof(u32) * (LCD_Y_RES + U_LINES))
+
+static void start_timers(void) /* CHECK with HW */
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	bfin_write_TIMER_ENABLE(TIMEN_REV);
+	SSYNC();
+
+	while (bfin_read_TIMER_REV_COUNTER() <= 11)
+		continue;
+	bfin_write_TIMER_ENABLE(TIMEN_LP);
+	SSYNC();
+
+	while (bfin_read_TIMER_LP_COUNTER() < 3)
+		continue;
+	bfin_write_TIMER_ENABLE(TIMEN_SP|TIMEN_SPS|TIMEN_PS_CLS);
+	SSYNC();
+	t_conf_done = 1;
+	local_irq_restore(flags);
+}
+
+static void config_timers(void)
+{
+	/* Stop timers */
+	bfin_write_TIMER_DISABLE(TIMDIS_SP|TIMDIS_SPS|TIMDIS_REV|
+				 TIMDIS_LP|TIMDIS_PS_CLS);
+	SSYNC();
+
+	/* LP, timer 6 */
+	bfin_write_TIMER_LP_CONFIG(TIMER_CONFIG|PULSE_HI);
+	bfin_write_TIMER_LP_WIDTH(1);
+
+	bfin_write_TIMER_LP_PERIOD(DCLKS_PER_LINE);
+	SSYNC();
+
+	/* SPS, timer 1 */
+	bfin_write_TIMER_SPS_CONFIG(TIMER_CONFIG|PULSE_HI);
+	bfin_write_TIMER_SPS_WIDTH(DCLKS_PER_LINE*2);
+	bfin_write_TIMER_SPS_PERIOD((DCLKS_PER_LINE * (LCD_Y_RES+U_LINES)));
+	SSYNC();
+
+	/* SP, timer 0 */
+	bfin_write_TIMER_SP_CONFIG(TIMER_CONFIG|PULSE_HI);
+	bfin_write_TIMER_SP_WIDTH(1);
+	bfin_write_TIMER_SP_PERIOD(DCLKS_PER_LINE);
+	SSYNC();
+
+	/* PS & CLS, timer 7 */
+	bfin_write_TIMER_PS_CLS_CONFIG(TIMER_CONFIG);
+	bfin_write_TIMER_PS_CLS_WIDTH(LCD_X_RES + START_LINES);
+	bfin_write_TIMER_PS_CLS_PERIOD(DCLKS_PER_LINE);
+
+	SSYNC();
+
+#ifdef NO_BL
+	/* REV, timer 5 */
+	bfin_write_TIMER_REV_CONFIG(TIMER_CONFIG|PULSE_HI);
+
+	bfin_write_TIMER_REV_WIDTH(DCLKS_PER_LINE);
+	bfin_write_TIMER_REV_PERIOD(DCLKS_PER_LINE*2);
+
+	SSYNC();
+#endif
+}
+
+static void config_ppi(void)
+{
+	bfin_write_PPI_DELAY(PPI_DELAY_VALUE);
+	bfin_write_PPI_COUNT(LCD_X_RES-1);
+	/* 0x10 -> PORT_CFG -> 2 or 3 frame syncs */
+	bfin_write_PPI_CONTROL((PPI_CONFIG_VALUE|0x10) & (~POLS));
+}
+
+static int config_dma(void)
+{
+	u32 i;
+
+	if (landscape) {
+
+		for (i = 0; i < U_LINES; ++i) {
+			/* blanking lines point to first line of fb_buffer */
+			dma_desc_table[2*i] = (unsigned long)&dma_desc_table[2*i+2];
+			dma_desc_table[2*i+1] = (unsigned long)fb_buffer;
+		}
+
+		for (i = U_LINES; i < U_LINES + LCD_Y_RES; ++i) {
+			/* visible lines */
+			dma_desc_table[2*i] = (unsigned long)&dma_desc_table[2*i+2];
+			dma_desc_table[2*i+1] = (unsigned long)fb_buffer +
+						(LCD_Y_RES+U_LINES-1-i)*2;
+		}
+
+		/* last descriptor points to first */
+		dma_desc_table[2*(LCD_Y_RES+U_LINES-1)] = (unsigned long)&dma_desc_table[0];
+
+		set_dma_x_count(CH_PPI, LCD_X_RES);
+		set_dma_x_modify(CH_PPI, LCD_Y_RES * (LCD_BBP / 8));
+		set_dma_y_count(CH_PPI, 0);
+		set_dma_y_modify(CH_PPI, 0);
+		set_dma_next_desc_addr(CH_PPI, (void *)dma_desc_table[0]);
+		set_dma_config(CH_PPI, DMAFLOW_LARGE | NDSIZE_4 | WDSIZE_16);
+
+	} else {
+
+		set_dma_config(CH_PPI, set_bfin_dma_config(DIR_READ,
+				DMA_FLOW_AUTO,
+				INTR_DISABLE,
+				DIMENSION_2D,
+				DATA_SIZE_16,
+				DMA_NOSYNC_KEEP_DMA_BUF));
+		set_dma_x_count(CH_PPI, LCD_X_RES);
+		set_dma_x_modify(CH_PPI, LCD_BBP / 8);
+		set_dma_y_count(CH_PPI, LCD_Y_RES+U_LINES);
+		set_dma_y_modify(CH_PPI, LCD_BBP / 8);
+		set_dma_start_addr(CH_PPI, (unsigned long) fb_buffer);
+	}
+
+	return 0;
+}
+
+static int __devinit request_ports(void)
+{
+	u16 tmr_req[] = TIMERS;
+
+	/*
+		UD:      PF13
+		MOD:     PF10
+		LBR:     PF14
+		PPI_CLK: PF15
+	*/
+
+	if (peripheral_request_list(ppi_pins, KBUILD_MODNAME)) {
+		pr_err("requesting PPI peripheral failed\n");
+		return -EBUSY;
+	}
+
+	if (peripheral_request_list(tmr_req, KBUILD_MODNAME)) {
+		peripheral_free_list(ppi_pins);
+		pr_err("requesting timer peripheral failed\n");
+		return -EBUSY;
+	}
+
+#if (defined(UD) && defined(LBR))
+	if (gpio_request(UD, KBUILD_MODNAME)) {
+		pr_err("requesting GPIO %d failed\n", UD);
+		return -EBUSY;
+	}
+
+	if (gpio_request(LBR, KBUILD_MODNAME)) {
+		pr_err("requesting GPIO %d failed\n", LBR);
+		gpio_free(UD);
+		return -EBUSY;
+	}
+
+	gpio_direction_output(UD, 0);
+	gpio_direction_output(LBR, 1);
+
+#endif
+
+	if (gpio_request(MOD, KBUILD_MODNAME)) {
+		pr_err("requesting GPIO %d failed\n", MOD);
+#if (defined(UD) && defined(LBR))
+		gpio_free(LBR);
+		gpio_free(UD);
+#endif
+		return -EBUSY;
+	}
+
+	gpio_direction_output(MOD, 1);
+
+	SSYNC();
+	return 0;
+}
+
+static void free_ports(void)
+{
+	u16 tmr_req[] = TIMERS;
+
+	peripheral_free_list(ppi_pins);
+	peripheral_free_list(tmr_req);
+
+#if defined(UD) && defined(LBR)
+	gpio_free(LBR);
+	gpio_free(UD);
+#endif
+	gpio_free(MOD);
+}
+
+static struct fb_info bfin_lq035_fb;
+
+static struct fb_var_screeninfo bfin_lq035_fb_defined = {
+	.bits_per_pixel		= LCD_BBP,
+	.activate		= FB_ACTIVATE_TEST,
+	.xres			= LCD_X_RES,	/*default portrait mode RGB*/
+	.yres			= LCD_Y_RES,
+	.xres_virtual		= LCD_X_RES,
+	.yres_virtual		= LCD_Y_RES,
+	.height			= -1,
+	.width			= -1,
+	.left_margin		= 0,
+	.right_margin		= 0,
+	.upper_margin		= 0,
+	.lower_margin		= 0,
+	.red			= {11, 5, 0},
+	.green			= {5, 6, 0},
+	.blue			= {0, 5, 0},
+	.transp		= {0, 0, 0},
+};
+
+static struct fb_fix_screeninfo bfin_lq035_fb_fix __devinitdata = {
+	.id		= KBUILD_MODNAME,
+	.smem_len	= ACTIVE_VIDEO_MEM_SIZE,
+	.type		= FB_TYPE_PACKED_PIXELS,
+	.visual		= FB_VISUAL_TRUECOLOR,
+	.xpanstep	= 0,
+	.ypanstep	= 0,
+	.line_length	= LCD_X_RES*(LCD_BBP/8),
+	.accel		= FB_ACCEL_NONE,
+};
+
+
+static int bfin_lq035_fb_open(struct fb_info *info, int user)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&bfin_lq035_lock, flags);
+	lq035_open_cnt++;
+	spin_unlock_irqrestore(&bfin_lq035_lock, flags);
+
+	if (lq035_open_cnt <= 1) {
+		bfin_write_PPI_CONTROL(0);
+		SSYNC();
+
+		set_vcomm();
+		config_dma();
+		config_ppi();
+
+		/* start dma */
+		enable_dma(CH_PPI);
+		SSYNC();
+		bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
+		SSYNC();
+
+		if (!t_conf_done) {
+			config_timers();
+			start_timers();
+		}
+		/* gpio_set_value(MOD,1); */
+	}
+
+	return 0;
+}
+
+static int bfin_lq035_fb_release(struct fb_info *info, int user)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&bfin_lq035_lock, flags);
+	lq035_open_cnt--;
+	spin_unlock_irqrestore(&bfin_lq035_lock, flags);
+
+
+	if (lq035_open_cnt <= 0) {
+
+		bfin_write_PPI_CONTROL(0);
+		SSYNC();
+
+		disable_dma(CH_PPI);
+	}
+
+	return 0;
+}
+
+
+static int bfin_lq035_fb_check_var(struct fb_var_screeninfo *var,
+				   struct fb_info *info)
+{
+	switch (var->bits_per_pixel) {
+	case 16:/* DIRECTCOLOUR, 64k */
+		var->red.offset = info->var.red.offset;
+		var->green.offset = info->var.green.offset;
+		var->blue.offset = info->var.blue.offset;
+		var->red.length = info->var.red.length;
+		var->green.length = info->var.green.length;
+		var->blue.length = info->var.blue.length;
+		var->transp.offset = 0;
+		var->transp.length = 0;
+		var->transp.msb_right = 0;
+		var->red.msb_right = 0;
+		var->green.msb_right = 0;
+		var->blue.msb_right = 0;
+		break;
+	default:
+		pr_debug("%s: depth not supported: %u BPP\n", __func__,
+			 var->bits_per_pixel);
+		return -EINVAL;
+	}
+
+	if (info->var.xres != var->xres ||
+	    info->var.yres != var->yres ||
+	    info->var.xres_virtual != var->xres_virtual ||
+	    info->var.yres_virtual != var->yres_virtual) {
+		pr_debug("%s: Resolution not supported: X%u x Y%u\n",
+			 __func__, var->xres, var->yres);
+		return -EINVAL;
+	}
+
+	/*
+	 *  Memory limit
+	 */
+
+	if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) {
+		pr_debug("%s: Memory Limit requested yres_virtual = %u\n",
+			 __func__, var->yres_virtual);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+/* fb_rotate
+ * Rotate the display of this angle. This doesn't seems to be used by the core,
+ * but as our hardware supports it, so why not implementing it...
+ */
+static void bfin_lq035_fb_rotate(struct fb_info *fbi, int angle)
+{
+	pr_debug("%s: %p %d", __func__, fbi, angle);
+#if (defined(UD) && defined(LBR))
+	switch (angle) {
+
+	case 180:
+		gpio_set_value(LBR, 0);
+		gpio_set_value(UD, 1);
+		break;
+	default:
+		gpio_set_value(LBR, 1);
+		gpio_set_value(UD, 0);
+		break;
+	}
+#endif
+}
+
+static int bfin_lq035_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
+{
+	if (nocursor)
+		return 0;
+	else
+		return -EINVAL;	/* just to force soft_cursor() call */
+}
+
+static int bfin_lq035_fb_setcolreg(u_int regno, u_int red, u_int green,
+				   u_int blue, u_int transp,
+				   struct fb_info *info)
+{
+	if (regno >= NBR_PALETTE)
+		return -EINVAL;
+
+	if (info->var.grayscale)
+		/* grayscale = 0.30*R + 0.59*G + 0.11*B */
+		red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
+
+	if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
+
+		u32 value;
+		/* Place color in the pseudopalette */
+		if (regno > 16)
+			return -EINVAL;
+
+		red   >>= (16 - info->var.red.length);
+		green >>= (16 - info->var.green.length);
+		blue  >>= (16 - info->var.blue.length);
+
+		value = (red   << info->var.red.offset) |
+			(green << info->var.green.offset)|
+			(blue  << info->var.blue.offset);
+		value &= 0xFFFF;
+
+		((u32 *) (info->pseudo_palette))[regno] = value;
+
+	}
+
+	return 0;
+}
+
+static struct fb_ops bfin_lq035_fb_ops = {
+	.owner			= THIS_MODULE,
+	.fb_open		= bfin_lq035_fb_open,
+	.fb_release		= bfin_lq035_fb_release,
+	.fb_check_var		= bfin_lq035_fb_check_var,
+	.fb_rotate		= bfin_lq035_fb_rotate,
+	.fb_fillrect		= cfb_fillrect,
+	.fb_copyarea		= cfb_copyarea,
+	.fb_imageblit		= cfb_imageblit,
+	.fb_cursor		= bfin_lq035_fb_cursor,
+	.fb_setcolreg		= bfin_lq035_fb_setcolreg,
+};
+
+static int bl_get_brightness(struct backlight_device *bd)
+{
+	return current_brightness;
+}
+
+static const struct backlight_ops bfin_lq035fb_bl_ops = {
+	.get_brightness	= bl_get_brightness,
+};
+
+static struct backlight_device *bl_dev;
+
+static int bfin_lcd_get_power(struct lcd_device *dev)
+{
+	return 0;
+}
+
+static int bfin_lcd_set_power(struct lcd_device *dev, int power)
+{
+	return 0;
+}
+
+static int bfin_lcd_get_contrast(struct lcd_device *dev)
+{
+	return (int)vcomm_value;
+}
+
+static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast)
+{
+	if (contrast > 255)
+		contrast = 255;
+	if (contrast < 0)
+		contrast = 0;
+
+	vcomm_value = (unsigned char)contrast;
+	set_vcomm();
+	return 0;
+}
+
+static int bfin_lcd_check_fb(struct lcd_device *lcd, struct fb_info *fi)
+{
+	if (!fi || (fi == &bfin_lq035_fb))
+		return 1;
+	return 0;
+}
+
+static struct lcd_ops bfin_lcd_ops = {
+	.get_power	= bfin_lcd_get_power,
+	.set_power	= bfin_lcd_set_power,
+	.get_contrast	= bfin_lcd_get_contrast,
+	.set_contrast	= bfin_lcd_set_contrast,
+	.check_fb	= bfin_lcd_check_fb,
+};
+
+static struct lcd_device *lcd_dev;
+
+static int __devinit bfin_lq035_probe(struct platform_device *pdev)
+{
+	struct backlight_properties props;
+	dma_addr_t dma_handle;
+
+	if (request_dma(CH_PPI, KBUILD_MODNAME)) {
+		pr_err("couldn't request PPI DMA\n");
+		return -EFAULT;
+	}
+
+	if (request_ports()) {
+		pr_err("couldn't request gpio port\n");
+		free_dma(CH_PPI);
+		return -EFAULT;
+	}
+
+	fb_buffer = dma_alloc_coherent(NULL, TOTAL_VIDEO_MEM_SIZE,
+				       &dma_handle, GFP_KERNEL);
+	if (fb_buffer == NULL) {
+		pr_err("couldn't allocate dma buffer\n");
+		free_dma(CH_PPI);
+		free_ports();
+		return -ENOMEM;
+	}
+
+	if (L1_DATA_A_LENGTH)
+		dma_desc_table = l1_data_sram_zalloc(TOTAL_DMA_DESC_SIZE);
+	else
+		dma_desc_table = dma_alloc_coherent(NULL, TOTAL_DMA_DESC_SIZE,
+						    &dma_handle, 0);
+
+	if (dma_desc_table == NULL) {
+		pr_err("couldn't allocate dma descriptor\n");
+		free_dma(CH_PPI);
+		free_ports();
+		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
+		return -ENOMEM;
+	}
+
+	bfin_lq035_fb.screen_base = (void *)fb_buffer;
+	bfin_lq035_fb_fix.smem_start = (int)fb_buffer;
+	if (landscape) {
+		bfin_lq035_fb_defined.xres = LCD_Y_RES;
+		bfin_lq035_fb_defined.yres = LCD_X_RES;
+		bfin_lq035_fb_defined.xres_virtual = LCD_Y_RES;
+		bfin_lq035_fb_defined.yres_virtual = LCD_X_RES;
+
+		bfin_lq035_fb_fix.line_length = LCD_Y_RES*(LCD_BBP/8);
+	} else {
+		bfin_lq035_fb.screen_base += ACTIVE_VIDEO_MEM_OFFSET;
+		bfin_lq035_fb_fix.smem_start += ACTIVE_VIDEO_MEM_OFFSET;
+	}
+
+	bfin_lq035_fb_defined.green.msb_right = 0;
+	bfin_lq035_fb_defined.red.msb_right   = 0;
+	bfin_lq035_fb_defined.blue.msb_right  = 0;
+	bfin_lq035_fb_defined.green.offset    = 5;
+	bfin_lq035_fb_defined.green.length    = 6;
+	bfin_lq035_fb_defined.red.length      = 5;
+	bfin_lq035_fb_defined.blue.length     = 5;
+
+	if (bgr) {
+		bfin_lq035_fb_defined.red.offset  = 0;
+		bfin_lq035_fb_defined.blue.offset = 11;
+	} else {
+		bfin_lq035_fb_defined.red.offset  = 11;
+		bfin_lq035_fb_defined.blue.offset = 0;
+	}
+
+	bfin_lq035_fb.fbops = &bfin_lq035_fb_ops;
+	bfin_lq035_fb.var = bfin_lq035_fb_defined;
+
+	bfin_lq035_fb.fix = bfin_lq035_fb_fix;
+	bfin_lq035_fb.flags = FBINFO_DEFAULT;
+
+
+	bfin_lq035_fb.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
+	if (bfin_lq035_fb.pseudo_palette == NULL) {
+		pr_err("failed to allocate pseudo_palette\n");
+		free_dma(CH_PPI);
+		free_ports();
+		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
+		return -ENOMEM;
+	}
+
+	if (fb_alloc_cmap(&bfin_lq035_fb.cmap, NBR_PALETTE, 0) < 0) {
+		pr_err("failed to allocate colormap (%d entries)\n",
+			NBR_PALETTE);
+		free_dma(CH_PPI);
+		free_ports();
+		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
+		kfree(bfin_lq035_fb.pseudo_palette);
+		return -EFAULT;
+	}
+
+	if (register_framebuffer(&bfin_lq035_fb) < 0) {
+		pr_err("unable to register framebuffer\n");
+		free_dma(CH_PPI);
+		free_ports();
+		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
+		fb_buffer = NULL;
+		kfree(bfin_lq035_fb.pseudo_palette);
+		fb_dealloc_cmap(&bfin_lq035_fb.cmap);
+		return -EINVAL;
+	}
+
+	i2c_add_driver(&ad5280_driver);
+
+	memset(&props, 0, sizeof(props));
+	props.max_brightness = MAX_BRIGHENESS;
+	bl_dev = backlight_device_register("bf537-bl", NULL, NULL,
+					   &bfin_lq035fb_bl_ops, &props);
+
+	lcd_dev = lcd_device_register(KBUILD_MODNAME, &pdev->dev, NULL,
+				      &bfin_lcd_ops);
+	lcd_dev->props.max_contrast = 255,
+
+	pr_info("initialized");
+
+	return 0;
+}
+
+static int __devexit bfin_lq035_remove(struct platform_device *pdev)
+{
+	if (fb_buffer != NULL)
+		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
+
+	if (L1_DATA_A_LENGTH)
+		l1_data_sram_free(dma_desc_table);
+	else
+		dma_free_coherent(NULL, TOTAL_DMA_DESC_SIZE, NULL, 0);
+
+	bfin_write_TIMER_DISABLE(TIMEN_SP|TIMEN_SPS|TIMEN_PS_CLS|
+				 TIMEN_LP|TIMEN_REV);
+	t_conf_done = 0;
+
+	free_dma(CH_PPI);
+
+
+	kfree(bfin_lq035_fb.pseudo_palette);
+	fb_dealloc_cmap(&bfin_lq035_fb.cmap);
+
+
+	lcd_device_unregister(lcd_dev);
+	backlight_device_unregister(bl_dev);
+
+	unregister_framebuffer(&bfin_lq035_fb);
+	i2c_del_driver(&ad5280_driver);
+
+	free_ports();
+
+	pr_info("unregistered LCD driver\n");
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int bfin_lq035_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	if (lq035_open_cnt > 0) {
+		bfin_write_PPI_CONTROL(0);
+		SSYNC();
+		disable_dma(CH_PPI);
+	}
+
+	return 0;
+}
+
+static int bfin_lq035_resume(struct platform_device *pdev)
+{
+	if (lq035_open_cnt > 0) {
+		bfin_write_PPI_CONTROL(0);
+		SSYNC();
+
+		config_dma();
+		config_ppi();
+
+		enable_dma(CH_PPI);
+		bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
+		SSYNC();
+
+		config_timers();
+		start_timers();
+	} else {
+		t_conf_done = 0;
+	}
+
+	return 0;
+}
+#else
+# define bfin_lq035_suspend	NULL
+# define bfin_lq035_resume	NULL
+#endif
+
+static struct platform_driver bfin_lq035_driver = {
+	.probe = bfin_lq035_probe,
+	.remove = __devexit_p(bfin_lq035_remove),
+	.suspend = bfin_lq035_suspend,
+	.resume = bfin_lq035_resume,
+	.driver = {
+		.name = KBUILD_MODNAME,
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init bfin_lq035_driver_init(void)
+{
+	request_module("i2c-bfin-twi");
+	return platform_driver_register(&bfin_lq035_driver);
+}
+module_init(bfin_lq035_driver_init);
+
+static void __exit bfin_lq035_driver_cleanup(void)
+{
+	platform_driver_unregister(&bfin_lq035_driver);
+}
+module_exit(bfin_lq035_driver_cleanup);
+
+MODULE_DESCRIPTION("SHARP LQ035Q7DB03 TFT LCD Driver");
+MODULE_LICENSE("GPL");

drivers/video/bfin_adv7393fb.c

@@ -0,0 +1,832 @@
+/*
+ * Frame buffer driver for ADV7393/2 video encoder
+ *
+ * Copyright 2006-2009 Analog Devices Inc.
+ * Licensed under the GPL-2 or late.
+ */
+
+/*
+ * TODO: Remove Globals
+ * TODO: Code Cleanup
+ */
+
+#define pr_fmt(fmt) DRIVER_NAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <asm/blackfin.h>
+#include <asm/irq.h>
+#include <asm/dma.h>
+#include <linux/uaccess.h>
+#include <linux/gpio.h>
+#include <asm/portmux.h>
+
+#include <linux/dma-mapping.h>
+#include <linux/proc_fs.h>
+#include <linux/platform_device.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-dev.h>
+
+#include "bfin_adv7393fb.h"
+
+static int mode = VMODE;
+static int mem = VMEM;
+static int nocursor = 1;
+
+static const unsigned short ppi_pins[] = {
+	P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
+	P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3,
+	P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7,
+	P_PPI0_D8, P_PPI0_D9, P_PPI0_D10, P_PPI0_D11,
+	P_PPI0_D12, P_PPI0_D13, P_PPI0_D14, P_PPI0_D15,
+	0
+};
+
+/*
+ * card parameters
+ */
+
+static struct bfin_adv7393_fb_par {
+	/* structure holding blackfin / adv7393 paramters when
+	   screen is blanked */
+	struct {
+		u8 Mode;	/* ntsc/pal/? */
+	} vga_state;
+	atomic_t ref_count;
+} bfin_par;
+
+/* --------------------------------------------------------------------- */
+
+static struct fb_var_screeninfo bfin_adv7393_fb_defined = {
+	.xres = 720,
+	.yres = 480,
+	.xres_virtual = 720,
+	.yres_virtual = 480,
+	.bits_per_pixel = 16,
+	.activate = FB_ACTIVATE_TEST,
+	.height = -1,
+	.width = -1,
+	.left_margin = 0,
+	.right_margin = 0,
+	.upper_margin = 0,
+	.lower_margin = 0,
+	.vmode = FB_VMODE_INTERLACED,
+	.red = {11, 5, 0},
+	.green = {5, 6, 0},
+	.blue = {0, 5, 0},
+	.transp = {0, 0, 0},
+};
+
+static struct fb_fix_screeninfo bfin_adv7393_fb_fix __devinitdata = {
+	.id = "BFIN ADV7393",
+	.smem_len = 720 * 480 * 2,
+	.type = FB_TYPE_PACKED_PIXELS,
+	.visual = FB_VISUAL_TRUECOLOR,
+	.xpanstep = 0,
+	.ypanstep = 0,
+	.line_length = 720 * 2,
+	.accel = FB_ACCEL_NONE
+};
+
+static struct fb_ops bfin_adv7393_fb_ops = {
+	.owner = THIS_MODULE,
+	.fb_open = bfin_adv7393_fb_open,
+	.fb_release = bfin_adv7393_fb_release,
+	.fb_check_var = bfin_adv7393_fb_check_var,
+	.fb_pan_display = bfin_adv7393_fb_pan_display,
+	.fb_blank = bfin_adv7393_fb_blank,
+	.fb_fillrect = cfb_fillrect,
+	.fb_copyarea = cfb_copyarea,
+	.fb_imageblit = cfb_imageblit,
+	.fb_cursor = bfin_adv7393_fb_cursor,
+	.fb_setcolreg = bfin_adv7393_fb_setcolreg,
+};
+
+static int dma_desc_list(struct adv7393fb_device *fbdev, u16 arg)
+{
+	if (arg == BUILD) {	/* Build */
+		fbdev->vb1 = l1_data_sram_zalloc(sizeof(struct dmasg));
+		if (fbdev->vb1 == NULL)
+			goto error;
+
+		fbdev->av1 = l1_data_sram_zalloc(sizeof(struct dmasg));
+		if (fbdev->av1 == NULL)
+			goto error;
+
+		fbdev->vb2 = l1_data_sram_zalloc(sizeof(struct dmasg));
+		if (fbdev->vb2 == NULL)
+			goto error;
+
+		fbdev->av2 = l1_data_sram_zalloc(sizeof(struct dmasg));
+		if (fbdev->av2 == NULL)
+			goto error;
+
+		/* Build linked DMA descriptor list */
+		fbdev->vb1->next_desc_addr = fbdev->av1;
+		fbdev->av1->next_desc_addr = fbdev->vb2;
+		fbdev->vb2->next_desc_addr = fbdev->av2;
+		fbdev->av2->next_desc_addr = fbdev->vb1;
+
+		/* Save list head */
+		fbdev->descriptor_list_head = fbdev->av2;
+
+		/* Vertical Blanking Field 1 */
+		fbdev->vb1->start_addr = VB_DUMMY_MEMORY_SOURCE;
+		fbdev->vb1->cfg = DMA_CFG_VAL;
+
+		fbdev->vb1->x_count =
+		    fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
+
+		fbdev->vb1->x_modify = 0;
+		fbdev->vb1->y_count = fbdev->modes[mode].vb1_lines;
+		fbdev->vb1->y_modify = 0;
+
+		/* Active Video Field 1 */
+
+		fbdev->av1->start_addr = (unsigned long)fbdev->fb_mem;
+		fbdev->av1->cfg = DMA_CFG_VAL;
+		fbdev->av1->x_count =
+		    fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
+		fbdev->av1->x_modify = fbdev->modes[mode].bpp / 8;
+		fbdev->av1->y_count = fbdev->modes[mode].a_lines;
+		fbdev->av1->y_modify =
+		    (fbdev->modes[mode].xres - fbdev->modes[mode].boeft_blank +
+		     1) * (fbdev->modes[mode].bpp / 8);
+
+		/* Vertical Blanking Field 2 */
+
+		fbdev->vb2->start_addr = VB_DUMMY_MEMORY_SOURCE;
+		fbdev->vb2->cfg = DMA_CFG_VAL;
+		fbdev->vb2->x_count =
+		    fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
+
+		fbdev->vb2->x_modify = 0;
+		fbdev->vb2->y_count = fbdev->modes[mode].vb2_lines;
+		fbdev->vb2->y_modify = 0;
+
+		/* Active Video Field 2 */
+
+		fbdev->av2->start_addr =
+		    (unsigned long)fbdev->fb_mem + fbdev->line_len;
+
+		fbdev->av2->cfg = DMA_CFG_VAL;
+
+		fbdev->av2->x_count =
+		    fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
+
+		fbdev->av2->x_modify = (fbdev->modes[mode].bpp / 8);
+		fbdev->av2->y_count = fbdev->modes[mode].a_lines;
+
+		fbdev->av2->y_modify =
+		    (fbdev->modes[mode].xres - fbdev->modes[mode].boeft_blank +
+		     1) * (fbdev->modes[mode].bpp / 8);
+
+		return 1;
+	}
+
+error:
+	l1_data_sram_free(fbdev->vb1);
+	l1_data_sram_free(fbdev->av1);
+	l1_data_sram_free(fbdev->vb2);
+	l1_data_sram_free(fbdev->av2);
+
+	return 0;
+}
+
+static int bfin_config_dma(struct adv7393fb_device *fbdev)
+{
+	BUG_ON(!(fbdev->fb_mem));
+
+	set_dma_x_count(CH_PPI, fbdev->descriptor_list_head->x_count);
+	set_dma_x_modify(CH_PPI, fbdev->descriptor_list_head->x_modify);
+	set_dma_y_count(CH_PPI, fbdev->descriptor_list_head->y_count);
+	set_dma_y_modify(CH_PPI, fbdev->descriptor_list_head->y_modify);
+	set_dma_start_addr(CH_PPI, fbdev->descriptor_list_head->start_addr);
+	set_dma_next_desc_addr(CH_PPI,
+			       fbdev->descriptor_list_head->next_desc_addr);
+	set_dma_config(CH_PPI, fbdev->descriptor_list_head->cfg);
+
+	return 1;
+}
+
+static void bfin_disable_dma(void)
+{
+	bfin_write_DMA0_CONFIG(bfin_read_DMA0_CONFIG() & ~DMAEN);
+}
+
+static void bfin_config_ppi(struct adv7393fb_device *fbdev)
+{
+	if (ANOMALY_05000183) {
+		bfin_write_TIMER2_CONFIG(WDTH_CAP);
+		bfin_write_TIMER_ENABLE(TIMEN2);
+	}
+
+	bfin_write_PPI_CONTROL(0x381E);
+	bfin_write_PPI_FRAME(fbdev->modes[mode].tot_lines);
+	bfin_write_PPI_COUNT(fbdev->modes[mode].xres +
+			     fbdev->modes[mode].boeft_blank - 1);
+	bfin_write_PPI_DELAY(fbdev->modes[mode].aoeft_blank - 1);
+}
+
+static void bfin_enable_ppi(void)
+{
+	bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
+}
+
+static void bfin_disable_ppi(void)
+{
+	bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN);
+}
+
+static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value)
+{
+	return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static inline int adv7393_read(struct i2c_client *client, u8 reg)
+{
+	return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int
+adv7393_write_block(struct i2c_client *client,
+		    const u8 *data, unsigned int len)
+{
+	int ret = -1;
+	u8 reg;
+
+	while (len >= 2) {
+		reg = *data++;
+		ret = adv7393_write(client, reg, *data++);
+		if (ret < 0)
+			break;
+		len -= 2;
+	}
+
+	return ret;
+}
+
+static int adv7393_mode(struct i2c_client *client, u16 mode)
+{
+	switch (mode) {
+	case POWER_ON:		/* ADV7393 Sleep mode OFF */
+		adv7393_write(client, 0x00, 0x1E);
+		break;
+	case POWER_DOWN:	/* ADV7393 Sleep mode ON */
+		adv7393_write(client, 0x00, 0x1F);
+		break;
+	case BLANK_OFF:		/* Pixel Data Valid */
+		adv7393_write(client, 0x82, 0xCB);
+		break;
+	case BLANK_ON:		/* Pixel Data Invalid */
+		adv7393_write(client, 0x82, 0x8B);
+		break;
+	default:
+		return -EINVAL;
+		break;
+	}
+	return 0;
+}
+
+static irqreturn_t ppi_irq_error(int irq, void *dev_id)
+{
+
+	struct adv7393fb_device *fbdev = (struct adv7393fb_device *)dev_id;
+
+	u16 status = bfin_read_PPI_STATUS();
+
+	pr_debug("%s: PPI Status = 0x%X\n", __func__, status);
+
+	if (status) {
+		bfin_disable_dma();	/* TODO: Check Sequence */
+		bfin_disable_ppi();
+		bfin_clear_PPI_STATUS();
+		bfin_config_dma(fbdev);
+		bfin_enable_ppi();
+	}
+
+	return IRQ_HANDLED;
+
+}
+
+static int proc_output(char *buf)
+{
+	char *p = buf;
+
+	p += sprintf(p,
+		"Usage:\n"
+		"echo 0x[REG][Value] > adv7393\n"
+		"example: echo 0x1234 >adv7393\n"
+		"writes 0x34 into Register 0x12\n");
+
+	return p - buf;
+}
+
+static int
+adv7393_read_proc(char *page, char **start, off_t off,
+		  int count, int *eof, void *data)
+{
+	int len;
+
+	len = proc_output(page);
+	if (len <= off + count)
+		*eof = 1;
+	*start = page + off;
+	len -= off;
+	if (len > count)
+		len = count;
+	if (len < 0)
+		len = 0;
+	return len;
+}
+
+static int
+adv7393_write_proc(struct file *file, const char __user * buffer,
+		   unsigned long count, void *data)
+{
+	struct adv7393fb_device *fbdev = data;
+	char line[8];
+	unsigned int val;
+	int ret;
+
+	ret = copy_from_user(line, buffer, count);
+	if (ret)
+		return -EFAULT;
+
+	val = simple_strtoul(line, NULL, 0);
+	adv7393_write(fbdev->client, val >> 8, val & 0xff);
+
+	return count;
+}
+
+static int __devinit bfin_adv7393_fb_probe(struct i2c_client *client,
+					   const struct i2c_device_id *id)
+{
+	int ret = 0;
+	struct proc_dir_entry *entry;
+	int num_modes = ARRAY_SIZE(known_modes);
+
+	struct adv7393fb_device *fbdev = NULL;
+
+	if (mem > 2) {
+		dev_err(&client->dev, "mem out of allowed range [1;2]\n");
+		return -EINVAL;
+	}
+
+	if (mode > num_modes) {
+		dev_err(&client->dev, "mode %d: not supported", mode);
+		return -EFAULT;
+	}
+
+	fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
+	if (!fbdev) {
+		dev_err(&client->dev, "failed to allocate device private record");
+		return -ENOMEM;
+	}
+
+	i2c_set_clientdata(client, fbdev);
+
+	fbdev->modes = known_modes;
+	fbdev->client = client;
+
+	fbdev->fb_len =
+	    mem * fbdev->modes[mode].xres * fbdev->modes[mode].xres *
+	    (fbdev->modes[mode].bpp / 8);
+
+	fbdev->line_len =
+	    fbdev->modes[mode].xres * (fbdev->modes[mode].bpp / 8);
+
+	/* Workaround "PPI Does Not Start Properly In Specific Mode" */
+	if (ANOMALY_05000400) {
+		if (gpio_request(P_IDENT(P_PPI0_FS3), "PPI0_FS3")) {
+			dev_err(&client->dev, "PPI0_FS3 GPIO request failed\n");
+			ret = -EBUSY;
+			goto out_8;
+		}
+		gpio_direction_output(P_IDENT(P_PPI0_FS3), 0);
+	}
+
+	if (peripheral_request_list(ppi_pins, DRIVER_NAME)) {
+		dev_err(&client->dev, "requesting PPI peripheral failed\n");
+		ret = -EFAULT;
+		goto out_8;
+	}
+
+	fbdev->fb_mem =
+	    dma_alloc_coherent(NULL, fbdev->fb_len, &fbdev->dma_handle,
+			       GFP_KERNEL);
+
+	if (NULL == fbdev->fb_mem) {
+		dev_err(&client->dev, "couldn't allocate dma buffer (%d bytes)\n",
+		       (u32) fbdev->fb_len);
+		ret = -ENOMEM;
+		goto out_7;
+	}
+
+	fbdev->info.screen_base = (void *)fbdev->fb_mem;
+	bfin_adv7393_fb_fix.smem_start = (int)fbdev->fb_mem;
+
+	bfin_adv7393_fb_fix.smem_len = fbdev->fb_len;
+	bfin_adv7393_fb_fix.line_length = fbdev->line_len;
+
+	if (mem > 1)
+		bfin_adv7393_fb_fix.ypanstep = 1;
+
+	bfin_adv7393_fb_defined.red.length = 5;
+	bfin_adv7393_fb_defined.green.length = 6;
+	bfin_adv7393_fb_defined.blue.length = 5;
+
+	bfin_adv7393_fb_defined.xres = fbdev->modes[mode].xres;
+	bfin_adv7393_fb_defined.yres = fbdev->modes[mode].yres;
+	bfin_adv7393_fb_defined.xres_virtual = fbdev->modes[mode].xres;
+	bfin_adv7393_fb_defined.yres_virtual = mem * fbdev->modes[mode].yres;
+	bfin_adv7393_fb_defined.bits_per_pixel = fbdev->modes[mode].bpp;
+
+	fbdev->info.fbops = &bfin_adv7393_fb_ops;
+	fbdev->info.var = bfin_adv7393_fb_defined;
+	fbdev->info.fix = bfin_adv7393_fb_fix;
+	fbdev->info.par = &bfin_par;
+	fbdev->info.flags = FBINFO_DEFAULT;
+
+	fbdev->info.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
+	if (!fbdev->info.pseudo_palette) {
+		dev_err(&client->dev, "failed to allocate pseudo_palette\n");
+		ret = -ENOMEM;
+		goto out_6;
+	}
+
+	if (fb_alloc_cmap(&fbdev->info.cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
+		dev_err(&client->dev, "failed to allocate colormap (%d entries)\n",
+			   BFIN_LCD_NBR_PALETTE_ENTRIES);
+		ret = -EFAULT;
+		goto out_5;
+	}
+
+	if (request_dma(CH_PPI, "BF5xx_PPI_DMA") < 0) {
+		dev_err(&client->dev, "unable to request PPI DMA\n");
+		ret = -EFAULT;
+		goto out_4;
+	}
+
+	if (request_irq(IRQ_PPI_ERROR, ppi_irq_error, IRQF_DISABLED,
+			"PPI ERROR", fbdev) < 0) {
+		dev_err(&client->dev, "unable to request PPI ERROR IRQ\n");
+		ret = -EFAULT;
+		goto out_3;
+	}
+
+	fbdev->open = 0;
+
+	ret = adv7393_write_block(client, fbdev->modes[mode].adv7393_i2c_initd,
+				fbdev->modes[mode].adv7393_i2c_initd_len);
+
+	if (ret) {
+		dev_err(&client->dev, "i2c attach: init error\n");
+		goto out_1;
+	}
+
+
+	if (register_framebuffer(&fbdev->info) < 0) {
+		dev_err(&client->dev, "unable to register framebuffer\n");
+		ret = -EFAULT;
+		goto out_1;
+	}
+
+	dev_info(&client->dev, "fb%d: %s frame buffer device\n",
+	       fbdev->info.node, fbdev->info.fix.id);
+	dev_info(&client->dev, "fb memory address : 0x%p\n", fbdev->fb_mem);
+
+	entry = create_proc_entry("driver/adv7393", 0, NULL);
+	if (!entry) {
+		dev_err(&client->dev, "unable to create /proc entry\n");
+		ret = -EFAULT;
+		goto out_0;
+	}
+
+	entry->read_proc = adv7393_read_proc;
+	entry->write_proc = adv7393_write_proc;
+	entry->data = fbdev;
+
+	return 0;
+
+ out_0:
+	unregister_framebuffer(&fbdev->info);
+ out_1:
+	free_irq(IRQ_PPI_ERROR, fbdev);
+ out_3:
+	free_dma(CH_PPI);
+ out_4:
+	dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem,
+			  fbdev->dma_handle);
+ out_5:
+	fb_dealloc_cmap(&fbdev->info.cmap);
+ out_6:
+	kfree(fbdev->info.pseudo_palette);
+ out_7:
+	peripheral_free_list(ppi_pins);
+ out_8:
+	kfree(fbdev);
+
+	return ret;
+}
+
+static int bfin_adv7393_fb_open(struct fb_info *info, int user)
+{
+	struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
+
+	fbdev->info.screen_base = (void *)fbdev->fb_mem;
+	if (!fbdev->info.screen_base) {
+		dev_err(&fbdev->client->dev, "unable to map device\n");
+		return -ENOMEM;
+	}
+
+	fbdev->open = 1;
+	dma_desc_list(fbdev, BUILD);
+	adv7393_mode(fbdev->client, BLANK_OFF);
+	bfin_config_ppi(fbdev);
+	bfin_config_dma(fbdev);
+	bfin_enable_ppi();
+
+	return 0;
+}
+
+static int bfin_adv7393_fb_release(struct fb_info *info, int user)
+{
+	struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
+
+	adv7393_mode(fbdev->client, BLANK_ON);
+	bfin_disable_dma();
+	bfin_disable_ppi();
+	dma_desc_list(fbdev, DESTRUCT);
+	fbdev->open = 0;
+	return 0;
+}
+
+static int
+bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+
+	switch (var->bits_per_pixel) {
+	case 16:/* DIRECTCOLOUR, 64k */
+		var->red.offset = info->var.red.offset;
+		var->green.offset = info->var.green.offset;
+		var->blue.offset = info->var.blue.offset;
+		var->red.length = info->var.red.length;
+		var->green.length = info->var.green.length;
+		var->blue.length = info->var.blue.length;
+		var->transp.offset = 0;
+		var->transp.length = 0;
+		var->transp.msb_right = 0;
+		var->red.msb_right = 0;
+		var->green.msb_right = 0;
+		var->blue.msb_right = 0;
+		break;
+	default:
+		pr_debug("%s: depth not supported: %u BPP\n", __func__,
+			 var->bits_per_pixel);
+		return -EINVAL;
+	}
+
+	if (info->var.xres != var->xres ||
+	    info->var.yres != var->yres ||
+	    info->var.xres_virtual != var->xres_virtual ||
+	    info->var.yres_virtual != var->yres_virtual) {
+		pr_debug("%s: Resolution not supported: X%u x Y%u\n",
+			 __func__, var->xres, var->yres);
+		return -EINVAL;
+	}
+
+	/*
+	 *  Memory limit
+	 */
+
+	if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) {
+		pr_debug("%s: Memory Limit requested yres_virtual = %u\n",
+			 __func__, var->yres_virtual);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static int
+bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+	int dy;
+	u32 dmaaddr;
+	struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
+
+	if (!var || !info)
+		return -EINVAL;
+
+	if (var->xoffset - info->var.xoffset) {
+		/* No support for X panning for now! */
+		return -EINVAL;
+	}
+	dy = var->yoffset - info->var.yoffset;
+
+	if (dy) {
+		pr_debug("%s: Panning screen of %d lines\n", __func__, dy);
+
+		dmaaddr = fbdev->av1->start_addr;
+		dmaaddr += (info->fix.line_length * dy);
+		/* TODO: Wait for current frame to finished */
+
+		fbdev->av1->start_addr = (unsigned long)dmaaddr;
+		fbdev->av2->start_addr = (unsigned long)dmaaddr + fbdev->line_len;
+	}
+
+	return 0;
+
+}
+
+/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
+static int bfin_adv7393_fb_blank(int blank, struct fb_info *info)
+{
+	struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
+
+	switch (blank) {
+
+	case VESA_NO_BLANKING:
+		/* Turn on panel */
+		adv7393_mode(fbdev->client, BLANK_OFF);
+		break;
+
+	case VESA_VSYNC_SUSPEND:
+	case VESA_HSYNC_SUSPEND:
+	case VESA_POWERDOWN:
+		/* Turn off panel */
+		adv7393_mode(fbdev->client, BLANK_ON);
+		break;
+
+	default:
+		return -EINVAL;
+		break;
+	}
+	return 0;
+}
+
+int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
+{
+	if (nocursor)
+		return 0;
+	else
+		return -EINVAL;	/* just to force soft_cursor() call */
+}
+
+static int bfin_adv7393_fb_setcolreg(u_int regno, u_int red, u_int green,
+				     u_int blue, u_int transp,
+				     struct fb_info *info)
+{
+	if (regno >= BFIN_LCD_NBR_PALETTE_ENTRIES)
+		return -EINVAL;
+
+	if (info->var.grayscale)
+		/* grayscale = 0.30*R + 0.59*G + 0.11*B */
+		red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
+
+	if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
+		u32 value;
+		/* Place color in the pseudopalette */
+		if (regno > 16)
+			return -EINVAL;
+
+		red   >>= (16 - info->var.red.length);
+		green >>= (16 - info->var.green.length);
+		blue  >>= (16 - info->var.blue.length);
+
+		value = (red   << info->var.red.offset) |
+			(green << info->var.green.offset)|
+			(blue  << info->var.blue.offset);
+		value &= 0xFFFF;
+
+		((u32 *) (info->pseudo_palette))[regno] = value;
+	}
+
+	return 0;
+}
+
+static int __devexit bfin_adv7393_fb_remove(struct i2c_client *client)
+{
+	struct adv7393fb_device *fbdev = i2c_get_clientdata(client);
+
+	adv7393_mode(client, POWER_DOWN);
+
+	if (fbdev->fb_mem)
+		dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem, fbdev->dma_handle);
+	free_dma(CH_PPI);
+	free_irq(IRQ_PPI_ERROR, fbdev);
+	unregister_framebuffer(&fbdev->info);
+	remove_proc_entry("driver/adv7393", NULL);
+	fb_dealloc_cmap(&fbdev->info.cmap);
+	kfree(fbdev->info.pseudo_palette);
+
+	if (ANOMALY_05000400)
+		gpio_free(P_IDENT(P_PPI0_FS3));	/* FS3 */
+	peripheral_free_list(ppi_pins);
+	kfree(fbdev);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int bfin_adv7393_fb_suspend(struct device *dev)
+{
+	struct adv7393fb_device *fbdev = dev_get_drvdata(dev);
+
+	if (fbdev->open) {
+		bfin_disable_dma();
+		bfin_disable_ppi();
+		dma_desc_list(fbdev, DESTRUCT);
+	}
+	adv7393_mode(fbdev->client, POWER_DOWN);
+
+	return 0;
+}
+
+static int bfin_adv7393_fb_resume(struct device *dev)
+{
+	struct adv7393fb_device *fbdev = dev_get_drvdata(dev);
+
+	adv7393_mode(fbdev->client, POWER_ON);
+
+	if (fbdev->open) {
+		dma_desc_list(fbdev, BUILD);
+		bfin_config_ppi(fbdev);
+		bfin_config_dma(fbdev);
+		bfin_enable_ppi();
+	}
+
+	return 0;
+}
+
+static const struct dev_pm_ops bfin_adv7393_dev_pm_ops = {
+	.suspend = bfin_adv7393_fb_suspend,
+	.resume  = bfin_adv7393_fb_resume,
+};
+#endif
+
+static const struct i2c_device_id bfin_adv7393_id[] = {
+	{DRIVER_NAME, 0},
+	{}
+};
+
+MODULE_DEVICE_TABLE(i2c, bfin_adv7393_id);
+
+static struct i2c_driver bfin_adv7393_fb_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+#ifdef CONFIG_PM
+		.pm   = &bfin_adv7393_dev_pm_ops,
+#endif
+	},
+	.probe = bfin_adv7393_fb_probe,
+	.remove = __devexit_p(bfin_adv7393_fb_remove),
+	.id_table = bfin_adv7393_id,
+};
+
+static int __init bfin_adv7393_fb_driver_init(void)
+{
+#if  defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
+	request_module("i2c-bfin-twi");
+#else
+	request_module("i2c-gpio");
+#endif
+
+	return i2c_add_driver(&bfin_adv7393_fb_driver);
+}
+module_init(bfin_adv7393_fb_driver_init);
+
+static void __exit bfin_adv7393_fb_driver_cleanup(void)
+{
+	i2c_del_driver(&bfin_adv7393_fb_driver);
+}
+module_exit(bfin_adv7393_fb_driver_cleanup);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("Frame buffer driver for ADV7393/2 Video Encoder");
+
+module_param(mode, int, 0);
+MODULE_PARM_DESC(mode,
+	"Video Mode (0=NTSC,1=PAL,2=NTSC 640x480,3=PAL 640x480,4=NTSC YCbCr input,5=PAL YCbCr input)");
+
+module_param(mem, int, 0);
+MODULE_PARM_DESC(mem,
+	"Size of frame buffer memory 1=Single 2=Double Size (allows y-panning / frame stacking)");
+
+module_param(nocursor, int, 0644);
+MODULE_PARM_DESC(nocursor, "cursor enable/disable");

drivers/video/bfin_adv7393fb.h

@@ -0,0 +1,321 @@
+/*
+ * Frame buffer driver for ADV7393/2 video encoder
+ *
+ * Copyright 2006-2009 Analog Devices Inc.
+ * Licensed under the GPL-2 or late.
+ */
+
+#ifndef __BFIN_ADV7393FB_H__
+#define __BFIN_ADV7393FB_H__
+
+#define BFIN_LCD_NBR_PALETTE_ENTRIES	256
+
+#ifdef CONFIG_NTSC
+# define VMODE 0
+#endif
+#ifdef CONFIG_PAL
+# define VMODE 1
+#endif
+#ifdef CONFIG_NTSC_640x480
+# define VMODE 2
+#endif
+#ifdef CONFIG_PAL_640x480
+# define VMODE 3
+#endif
+#ifdef CONFIG_NTSC_YCBCR
+# define VMODE 4
+#endif
+#ifdef CONFIG_PAL_YCBCR
+# define VMODE 5
+#endif
+
+#ifndef VMODE
+# define VMODE 1
+#endif
+
+#ifdef CONFIG_ADV7393_2XMEM
+# define VMEM 2
+#else
+# define VMEM 1
+#endif
+
+#if defined(CONFIG_BF537) || defined(CONFIG_BF536) || defined(CONFIG_BF534)
+# define DMA_CFG_VAL	0x7935	/* Set Sync Bit */
+# define VB_DUMMY_MEMORY_SOURCE	L1_DATA_B_START
+#else
+# define DMA_CFG_VAL	0x7915
+# define VB_DUMMY_MEMORY_SOURCE	BOOT_ROM_START
+#endif
+
+enum {
+	DESTRUCT,
+	BUILD,
+};
+
+enum {
+	POWER_ON,
+	POWER_DOWN,
+	BLANK_ON,
+	BLANK_OFF,
+};
+
+#define DRIVER_NAME "bfin-adv7393"
+
+struct adv7393fb_modes {
+	const s8 name[25];	/* Full name */
+	u16 xres;		/* Active Horizonzal Pixels  */
+	u16 yres;		/* Active Vertical Pixels  */
+	u16 bpp;
+	u16 vmode;
+	u16 a_lines;		/* Active Lines per Field */
+	u16 vb1_lines;		/* Vertical Blanking Field 1 Lines */
+	u16 vb2_lines;		/* Vertical Blanking Field 2 Lines */
+	u16 tot_lines;		/* Total Lines per Frame */
+	u16 boeft_blank;	/* Before Odd/Even Field Transition No. of Blank Pixels */
+	u16 aoeft_blank;	/* After Odd/Even Field Transition No. of Blank Pixels */
+	const s8 *adv7393_i2c_initd;
+	u16 adv7393_i2c_initd_len;
+};
+
+static const u8 init_NTSC_TESTPATTERN[] = {
+	0x00, 0x1E,	/* Power up all DACs and PLL */
+	0x01, 0x00,	/* SD-Only Mode */
+	0x80, 0x10,	/* SSAF Luma Filter Enabled, NTSC Mode */
+	0x82, 0xCB,	/* Step control on, pixel data valid, pedestal on, PrPb SSAF on, CVBS/YC output */
+	0x84, 0x40,	/* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
+};
+
+static const u8 init_NTSC[] = {
+	0x00, 0x1E,	/* Power up all DACs and PLL */
+	0xC3, 0x26,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xC5, 0x12,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xC2, 0x4A,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xC6, 0x5E,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xBD, 0x19,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xBF, 0x42,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0x8C, 0x1F,	/* NTSC Subcarrier Frequency */
+	0x8D, 0x7C,	/* NTSC Subcarrier Frequency */
+	0x8E, 0xF0,	/* NTSC Subcarrier Frequency */
+	0x8F, 0x21,	/* NTSC Subcarrier Frequency */
+	0x01, 0x00,	/* SD-Only Mode */
+	0x80, 0x30,	/* SSAF Luma Filter Enabled, NTSC Mode */
+	0x82, 0x8B,	/* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
+	0x87, 0x80,	/* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
+	0x86, 0x82,
+	0x8B, 0x11,
+	0x88, 0x20,
+	0x8A, 0x0d,
+};
+
+static const u8 init_PAL[] = {
+	0x00, 0x1E,	/* Power up all DACs and PLL */
+	0xC3, 0x26,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xC5, 0x12,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xC2, 0x4A,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xC6, 0x5E,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xBD, 0x19,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0xBF, 0x42,	/* Program RGB->YCrCb Color Space convertion matrix */
+	0x8C, 0xCB,	/* PAL Subcarrier Frequency */
+	0x8D, 0x8A,	/* PAL Subcarrier Frequency */
+	0x8E, 0x09,	/* PAL Subcarrier Frequency */
+	0x8F, 0x2A,	/* PAL Subcarrier Frequency */
+	0x01, 0x00,	/* SD-Only Mode */
+	0x80, 0x11,	/* SSAF Luma Filter Enabled, PAL Mode */
+	0x82, 0x8B,	/* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
+	0x87, 0x80,	/* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
+	0x86, 0x82,
+	0x8B, 0x11,
+	0x88, 0x20,
+	0x8A, 0x0d,
+};
+
+static const u8 init_NTSC_YCbCr[] = {
+	0x00, 0x1E,	/* Power up all DACs and PLL */
+	0x8C, 0x1F,	/* NTSC Subcarrier Frequency */
+	0x8D, 0x7C,	/* NTSC Subcarrier Frequency */
+	0x8E, 0xF0,	/* NTSC Subcarrier Frequency */
+	0x8F, 0x21,	/* NTSC Subcarrier Frequency */
+	0x01, 0x00,	/* SD-Only Mode */
+	0x80, 0x30,	/* SSAF Luma Filter Enabled, NTSC Mode */
+	0x82, 0x8B,	/* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
+	0x87, 0x00,	/* DAC 2 = Luma, DAC 3 = Chroma */
+	0x86, 0x82,
+	0x8B, 0x11,
+	0x88, 0x08,
+	0x8A, 0x0d,
+};
+
+static const u8 init_PAL_YCbCr[] = {
+	0x00, 0x1E,	/* Power up all DACs and PLL */
+	0x8C, 0xCB,	/* PAL Subcarrier Frequency */
+	0x8D, 0x8A,	/* PAL Subcarrier Frequency */
+	0x8E, 0x09,	/* PAL Subcarrier Frequency */
+	0x8F, 0x2A,	/* PAL Subcarrier Frequency */
+	0x01, 0x00,	/* SD-Only Mode */
+	0x80, 0x11,	/* SSAF Luma Filter Enabled, PAL Mode */
+	0x82, 0x8B,	/* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
+	0x87, 0x00,	/* DAC 2 = Luma, DAC 3 = Chroma */
+	0x86, 0x82,
+	0x8B, 0x11,
+	0x88, 0x08,
+	0x8A, 0x0d,
+};
+
+static struct adv7393fb_modes known_modes[] = {
+	/* NTSC 720x480 CRT */
+	{
+		.name = "NTSC 720x480",
+		.xres = 720,
+		.yres = 480,
+		.bpp = 16,
+		.vmode = FB_VMODE_INTERLACED,
+		.a_lines = 240,
+		.vb1_lines = 22,
+		.vb2_lines = 23,
+		.tot_lines = 525,
+		.boeft_blank = 16,
+		.aoeft_blank = 122,
+		.adv7393_i2c_initd = init_NTSC,
+		.adv7393_i2c_initd_len = sizeof(init_NTSC)
+	},
+	/* PAL 720x480 CRT */
+	{
+		.name = "PAL 720x576",
+		.xres = 720,
+		.yres = 576,
+		.bpp = 16,
+		.vmode = FB_VMODE_INTERLACED,
+		.a_lines = 288,
+		.vb1_lines = 24,
+		.vb2_lines = 25,
+		.tot_lines = 625,
+		.boeft_blank = 12,
+		.aoeft_blank = 132,
+		.adv7393_i2c_initd = init_PAL,
+		.adv7393_i2c_initd_len = sizeof(init_PAL)
+	},
+	/* NTSC 640x480 CRT Experimental */
+	{
+		.name = "NTSC 640x480",
+		.xres = 640,
+		.yres = 480,
+		.bpp = 16,
+		.vmode = FB_VMODE_INTERLACED,
+		.a_lines = 240,
+		.vb1_lines = 22,
+		.vb2_lines = 23,
+		.tot_lines = 525,
+		.boeft_blank = 16 + 40,
+		.aoeft_blank = 122 + 40,
+		.adv7393_i2c_initd = init_NTSC,
+		.adv7393_i2c_initd_len = sizeof(init_NTSC)
+	},
+	/* PAL 640x480 CRT Experimental */
+	{
+		.name = "PAL 640x480",
+		.xres = 640,
+		.yres = 480,
+		.bpp = 16,
+		.vmode = FB_VMODE_INTERLACED,
+		.a_lines = 288 - 20,
+		.vb1_lines = 24 + 20,
+		.vb2_lines = 25 + 20,
+		.tot_lines = 625,
+		.boeft_blank = 12 + 40,
+		.aoeft_blank = 132 + 40,
+		.adv7393_i2c_initd = init_PAL,
+		.adv7393_i2c_initd_len = sizeof(init_PAL)
+	},
+	/* NTSC 720x480 YCbCR */
+	{
+		.name = "NTSC 720x480 YCbCR",
+		.xres = 720,
+		.yres = 480,
+		.bpp = 16,
+		.vmode = FB_VMODE_INTERLACED,
+		.a_lines = 240,
+		.vb1_lines = 22,
+		.vb2_lines = 23,
+		.tot_lines = 525,
+		.boeft_blank = 16,
+		.aoeft_blank = 122,
+		.adv7393_i2c_initd = init_NTSC_YCbCr,
+		.adv7393_i2c_initd_len = sizeof(init_NTSC_YCbCr)
+	},
+	/* PAL 720x480 CRT */
+	{
+		.name = "PAL 720x576 YCbCR",
+		.xres = 720,
+		.yres = 576,
+		.bpp = 16,
+		.vmode = FB_VMODE_INTERLACED,
+		.a_lines = 288,
+		.vb1_lines = 24,
+		.vb2_lines = 25,
+		.tot_lines = 625,
+		.boeft_blank = 12,
+		.aoeft_blank = 132,
+		.adv7393_i2c_initd = init_PAL_YCbCr,
+		.adv7393_i2c_initd_len = sizeof(init_PAL_YCbCr)
+	}
+};
+
+struct adv7393fb_regs {
+
+};
+
+struct adv7393fb_device {
+	struct fb_info info;	/* FB driver info record */
+
+	struct i2c_client *client;
+
+	struct dmasg *descriptor_list_head;
+	struct dmasg *vb1;
+	struct dmasg *av1;
+	struct dmasg *vb2;
+	struct dmasg *av2;
+
+	dma_addr_t dma_handle;
+
+	struct fb_info bfin_adv7393_fb;
+
+	struct adv7393fb_modes *modes;
+
+	struct adv7393fb_regs *regs;	/* Registers memory map */
+	size_t regs_len;
+	size_t fb_len;
+	size_t line_len;
+	u16 open;
+	u16 *fb_mem;		/* RGB Buffer */
+
+};
+
+#define to_adv7393fb_device(_info) \
+	  (_info ? container_of(_info, struct adv7393fb_device, info) : NULL);
+
+static int bfin_adv7393_fb_open(struct fb_info *info, int user);
+static int bfin_adv7393_fb_release(struct fb_info *info, int user);
+static int bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var,
+				     struct fb_info *info);
+
+static int bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var,
+				       struct fb_info *info);
+
+static int bfin_adv7393_fb_blank(int blank, struct fb_info *info);
+
+static void bfin_config_ppi(struct adv7393fb_device *fbdev);
+static int bfin_config_dma(struct adv7393fb_device *fbdev);
+static void bfin_disable_dma(void);
+static void bfin_enable_ppi(void);
+static void bfin_disable_ppi(void);
+
+static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value);
+static inline int adv7393_read(struct i2c_client *client, u8 reg);
+static int adv7393_write_block(struct i2c_client *client, const u8 *data,
+			       unsigned int len);
+
+int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
+static int bfin_adv7393_fb_setcolreg(u_int, u_int, u_int, u_int,
+				     u_int, struct fb_info *info);
+
+#endif

drivers/video/carminefb.c

@@ -654,7 +654,7 @@ static int __devinit carminefb_probe(struct pci_dev *dev,
 		printk(KERN_ERR "carminefb: Memory bar is only %d bytes, %d "
 				"are required.", carminefb_fix.smem_len,
 				CARMINE_TOTAL_DIPLAY_MEM);
-		goto err_free_reg_mmio;
+		goto err_unmap_vregs;
 	}
 
 	if (!request_mem_region(carminefb_fix.smem_start,
@@ -667,8 +667,6 @@ static int __devinit carminefb_probe(struct pci_dev *dev,
 			carminefb_fix.smem_len);
 	if (!hw->screen_mem) {
 		printk(KERN_ERR "carmine: Can't ioremap smem area.\n");
-		release_mem_region(carminefb_fix.smem_start,
-				carminefb_fix.smem_len);
 		goto err_reg_smem;
 	}
 
@@ -710,7 +708,7 @@ err_deinit_hw:
 err_unmap_screen:
 	iounmap(hw->screen_mem);
 err_reg_smem:
-	release_mem_region(carminefb_fix.mmio_start, carminefb_fix.mmio_len);
+	release_mem_region(carminefb_fix.smem_start, carminefb_fix.smem_len);
 err_unmap_vregs:
 	iounmap(hw->v_regs);
 err_free_reg_mmio:

drivers/video/fbmon.c

@@ -973,6 +973,90 @@ void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs)
 	DPRINTK("========================================\n");
 }
 
+/**
+ * fb_edid_add_monspecs() - add monitor video modes from E-EDID data
+ * @edid:	128 byte array with an E-EDID block
+ * @spacs:	monitor specs to be extended
+ */
+void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs)
+{
+	unsigned char *block;
+	struct fb_videomode *m;
+	int num = 0, i;
+	u8 svd[64], edt[(128 - 4) / DETAILED_TIMING_DESCRIPTION_SIZE];
+	u8 pos = 4, svd_n = 0;
+
+	if (!edid)
+		return;
+
+	if (!edid_checksum(edid))
+		return;
+
+	if (edid[0] != 0x2 ||
+	    edid[2] < 4 || edid[2] > 128 - DETAILED_TIMING_DESCRIPTION_SIZE)
+		return;
+
+	DPRINTK("  Short Video Descriptors\n");
+
+	while (pos < edid[2]) {
+		u8 len = edid[pos] & 0x1f, type = (edid[pos] >> 5) & 7;
+		pr_debug("Data block %u of %u bytes\n", type, len);
+		if (type == 2)
+			for (i = pos; i < pos + len; i++) {
+				u8 idx = edid[pos + i] & 0x7f;
+				svd[svd_n++] = idx;
+				pr_debug("N%sative mode #%d\n",
+					 edid[pos + i] & 0x80 ? "" : "on-n", idx);
+			}
+		pos += len + 1;
+	}
+
+	block = edid + edid[2];
+
+	DPRINTK("  Extended Detailed Timings\n");
+
+	for (i = 0; i < (128 - edid[2]) / DETAILED_TIMING_DESCRIPTION_SIZE;
+	     i++, block += DETAILED_TIMING_DESCRIPTION_SIZE)
+		if (PIXEL_CLOCK)
+			edt[num++] = block - edid;
+
+	/* Yikes, EDID data is totally useless */
+	if (!(num + svd_n))
+		return;
+
+	m = kzalloc((specs->modedb_len + num + svd_n) *
+		       sizeof(struct fb_videomode), GFP_KERNEL);
+
+	if (!m)
+		return;
+
+	memcpy(m, specs->modedb, specs->modedb_len * sizeof(struct fb_videomode));
+
+	for (i = specs->modedb_len; i < specs->modedb_len + num; i++) {
+		get_detailed_timing(edid + edt[i - specs->modedb_len], &m[i]);
+		if (i == specs->modedb_len)
+			m[i].flag |= FB_MODE_IS_FIRST;
+		pr_debug("Adding %ux%u@%u\n", m[i].xres, m[i].yres, m[i].refresh);
+	}
+
+	for (i = specs->modedb_len + num; i < specs->modedb_len + num + svd_n; i++) {
+		int idx = svd[i - specs->modedb_len - num];
+		if (!idx || idx > 63) {
+			pr_warning("Reserved SVD code %d\n", idx);
+		} else if (idx > ARRAY_SIZE(cea_modes) || !cea_modes[idx].xres) {
+			pr_warning("Unimplemented SVD code %d\n", idx);
+		} else {
+			memcpy(&m[i], cea_modes + idx, sizeof(m[i]));
+			pr_debug("Adding SVD #%d: %ux%u@%u\n", idx,
+				 m[i].xres, m[i].yres, m[i].refresh);
+		}
+	}
+
+	kfree(specs->modedb);
+	specs->modedb = m;
+	specs->modedb_len = specs->modedb_len + num + svd_n;
+}
+
 /*
  * VESA Generalized Timing Formula (GTF)
  */
@@ -1289,6 +1373,9 @@ void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs)
 {
 	specs = NULL;
 }
+void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs)
+{
+}
 void fb_destroy_modedb(struct fb_videomode *modedb)
 {
 }
@@ -1396,6 +1483,7 @@ EXPORT_SYMBOL(fb_firmware_edid);
 
 EXPORT_SYMBOL(fb_parse_edid);
 EXPORT_SYMBOL(fb_edid_to_monspecs);
+EXPORT_SYMBOL(fb_edid_add_monspecs);
 EXPORT_SYMBOL(fb_get_mode);
 EXPORT_SYMBOL(fb_validate_mode);
 EXPORT_SYMBOL(fb_destroy_modedb);

drivers/video/hgafb.c

@@ -454,7 +454,6 @@ static int hgafb_blank(int blank_mode, struct fb_info *info)
 /*
  * Accel functions
  */
-#ifdef CONFIG_FB_HGA_ACCEL
 static void hgafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 {
 	u_int rows, y;
@@ -466,7 +465,7 @@ static void hgafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 		dest = rowaddr(info, y) + (rect->dx >> 3);
 		switch (rect->rop) {
 		case ROP_COPY:
-			//fb_memset(dest, rect->color, (rect->width >> 3));
+			memset_io(dest, rect->color, (rect->width >> 3));
 			break;
 		case ROP_XOR:
 			fb_writeb(~(fb_readb(dest)), dest);
@@ -488,7 +487,7 @@ static void hgafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
 		for (rows = area->height; rows--; ) {
 			src = rowaddr(info, y1) + (area->sx >> 3);
 			dest = rowaddr(info, y2) + (area->dx >> 3);
-			//fb_memmove(dest, src, (area->width >> 3));
+			memmove(dest, src, (area->width >> 3));
 			y1++;
 			y2++;
 		}
@@ -499,7 +498,7 @@ static void hgafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
 		for (rows = area->height; rows--;) {
 			src = rowaddr(info, y1) + (area->sx >> 3);
 			dest = rowaddr(info, y2) + (area->dx >> 3);
-			//fb_memmove(dest, src, (area->width >> 3));
+			memmove(dest, src, (area->width >> 3));
 			y1--;
 			y2--;
 		}
@@ -511,20 +510,17 @@ static void hgafb_imageblit(struct fb_info *info, const struct fb_image *image)
 	u8 __iomem *dest;
 	u8 *cdat = (u8 *) image->data;
 	u_int rows, y = image->dy;
+	u_int x;
 	u8 d;
 
 	for (rows = image->height; rows--; y++) {
-		d = *cdat++;
-		dest = rowaddr(info, y) + (image->dx >> 3);
-		fb_writeb(d, dest);
+		for (x = 0; x < image->width; x+= 8) {
+			d = *cdat++;
+			dest = rowaddr(info, y) + ((image->dx + x)>> 3);
+			fb_writeb(d, dest);
+		}
 	}
 }
-#else /* !CONFIG_FB_HGA_ACCEL */
-#define hgafb_fillrect cfb_fillrect
-#define hgafb_copyarea cfb_copyarea
-#define hgafb_imageblit cfb_imageblit
-#endif /* CONFIG_FB_HGA_ACCEL */
-
 
 static struct fb_ops hgafb_ops = {
 	.owner		= THIS_MODULE,

drivers/video/i810/i810-i2c.c

@@ -45,8 +45,10 @@ static void i810i2c_setscl(void *data, int state)
         struct i810fb_par         *par = chan->par;
 	u8                        __iomem *mmio = par->mmio_start_virtual;
 
-	i810_writel(mmio, chan->ddc_base, (state ? SCL_VAL_OUT : 0) | SCL_DIR |
-		    SCL_DIR_MASK | SCL_VAL_MASK);
+	if (state)
+		i810_writel(mmio, chan->ddc_base, SCL_DIR_MASK | SCL_VAL_MASK);
+	else
+		i810_writel(mmio, chan->ddc_base, SCL_DIR | SCL_DIR_MASK | SCL_VAL_MASK);
 	i810_readl(mmio, chan->ddc_base);	/* flush posted write */
 }
 
@@ -56,8 +58,10 @@ static void i810i2c_setsda(void *data, int state)
         struct i810fb_par         *par = chan->par;
 	u8                        __iomem *mmio = par->mmio_start_virtual;
 
- 	i810_writel(mmio, chan->ddc_base, (state ? SDA_VAL_OUT : 0) | SDA_DIR |
-		    SDA_DIR_MASK | SDA_VAL_MASK);
+	if (state)
+		i810_writel(mmio, chan->ddc_base, SDA_DIR_MASK | SDA_VAL_MASK);
+	else
+		i810_writel(mmio, chan->ddc_base, SDA_DIR | SDA_DIR_MASK | SDA_VAL_MASK);
 	i810_readl(mmio, chan->ddc_base);	/* flush posted write */
 }
 

drivers/video/modedb.c

@@ -274,10 +274,61 @@ static const struct fb_videomode modedb[] = {
        /* 800x520i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */
        NULL, 50, 800, 520, 58823, 144, 64, 72, 28, 80, 5,
        0, FB_VMODE_INTERLACED
+    }, {
+	/* 864x480 @ 60 Hz, 35.15 kHz hsync */
+	NULL, 60, 864, 480, 27777, 1, 1, 1, 1, 0, 0,
+	0, FB_VMODE_NONINTERLACED
     },
 };
 
 #ifdef CONFIG_FB_MODE_HELPERS
+const struct fb_videomode cea_modes[64] = {
+	/* #1: 640x480p@59.94/60Hz */
+	[1] = {
+		NULL, 60, 640, 480, 39722, 48, 16, 33, 10, 96, 2, 0, FB_VMODE_NONINTERLACED, 0,
+	},
+	/* #3: 720x480p@59.94/60Hz */
+	[3] = {
+		NULL, 60, 720, 480, 37037, 60, 16, 30, 9, 62, 6, 0, FB_VMODE_NONINTERLACED, 0,
+	},
+	/* #5: 1920x1080i@59.94/60Hz */
+	[5] = {
+		NULL, 60, 1920, 1080, 13763, 148, 88, 15, 2, 44, 5,
+		FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_INTERLACED, 0,
+	},
+	/* #7: 720(1440)x480iH@59.94/60Hz */
+	[7] = {
+		NULL, 60, 1440, 480, 18554/*37108*/, 114, 38, 15, 4, 124, 3, 0, FB_VMODE_INTERLACED, 0,
+	},
+	/* #9: 720(1440)x240pH@59.94/60Hz */
+	[9] = {
+		NULL, 60, 1440, 240, 18554, 114, 38, 16, 4, 124, 3, 0, FB_VMODE_NONINTERLACED, 0,
+	},
+	/* #18: 720x576pH@50Hz */
+	[18] = {
+		NULL, 50, 720, 576, 37037, 68, 12, 39, 5, 64, 5, 0, FB_VMODE_NONINTERLACED, 0,
+	},
+	/* #19: 1280x720p@50Hz */
+	[19] = {
+		NULL, 50, 1280, 720, 13468, 220, 440, 20, 5, 40, 5,
+		FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, 0,
+	},
+	/* #20: 1920x1080i@50Hz */
+	[20] = {
+		NULL, 50, 1920, 1080, 13480, 148, 528, 15, 5, 528, 5,
+		FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_INTERLACED, 0,
+	},
+	/* #32: 1920x1080p@23.98/24Hz */
+	[32] = {
+		NULL, 24, 1920, 1080, 13468, 148, 638, 36, 4, 44, 5,
+		FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, 0,
+	},
+	/* #35: (2880)x480p4x@59.94/60Hz */
+	[35] = {
+		NULL, 60, 2880, 480, 9250, 240, 64, 30, 9, 248, 6, 0, FB_VMODE_NONINTERLACED, 0,
+	},
+};
+
 const struct fb_videomode vesa_modes[] = {
 	/* 0 640x350-85 VESA */
 	{ NULL, 85, 640, 350, 31746,  96, 32, 60, 32, 64, 3,

drivers/video/mx3fb.c

@@ -1474,8 +1474,7 @@ static int mx3fb_probe(struct platform_device *pdev)
 		goto eremap;
 	}
 
-	pr_debug("Remapped %x to %x at %p\n", sdc_reg->start, sdc_reg->end,
-		 mx3fb->reg_base);
+	pr_debug("Remapped %pR at %p\n", sdc_reg, mx3fb->reg_base);
 
 	/* IDMAC interface */
 	dmaengine_get();

drivers/video/s1d13xxxfb.c

@@ -409,28 +409,6 @@ s1d13xxxfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
  functions to handle bitblt acceleration
  ************************************************************/
 
-/**
- *	bltbit_wait_bitset - waits for change in register value
- *	@info : framebuffer structure
- *	@bit  : value expected in register
- *	@timeout : ...
- *
- *	waits until value changes INTO bit
- */
-static u8
-bltbit_wait_bitset(struct fb_info *info, u8 bit, int timeout)
-{
-	while (!(s1d13xxxfb_readreg(info->par, S1DREG_BBLT_CTL0) & bit)) {
-		udelay(10);
-		if (!--timeout) {
-			dbg_blit("wait_bitset timeout\n");
-			break;
-		}
-	}
-
-	return timeout;
-}
-
 /**
  *	bltbit_wait_bitclear - waits for change in register value
  *	@info : frambuffer structure
@@ -454,34 +432,6 @@ bltbit_wait_bitclear(struct fb_info *info, u8 bit, int timeout)
 	return timeout;
 }
 
-/**
- *	bltbit_fifo_status - checks the current status of the fifo
- *	@info : framebuffer structure
- *
- *	returns number of free words in buffer
- */
-static u8
-bltbit_fifo_status(struct fb_info *info)
-{
-	u8 status;
-
-	status = s1d13xxxfb_readreg(info->par, S1DREG_BBLT_CTL0);
-
-	/* its empty so room for 16 words */
-	if (status & BBLT_FIFO_EMPTY)
-		return 16;
-
-	/* its full so we dont want to add */
-	if (status & BBLT_FIFO_FULL)
-		return 0;
-
-	/* its atleast half full but we can add one atleast */
-	if (status & BBLT_FIFO_NOT_FULL)
-		return 1;
-
-	return 0;
-}
-
 /*
  *	s1d13xxxfb_bitblt_copyarea - accelerated copyarea function
  *	@info : framebuffer structure

drivers/video/s3c-fb.c

@@ -23,6 +23,7 @@
 #include <linux/io.h>
 #include <linux/uaccess.h>
 #include <linux/interrupt.h>
+#include <linux/pm_runtime.h>
 
 #include <mach/map.h>
 #include <plat/regs-fb-v4.h>
@@ -1013,8 +1014,30 @@ static int s3c_fb_ioctl(struct fb_info *info, unsigned int cmd,
 	return ret;
 }
 
+static int s3c_fb_open(struct fb_info *info, int user)
+{
+	struct s3c_fb_win *win = info->par;
+	struct s3c_fb *sfb = win->parent;
+
+	pm_runtime_get_sync(sfb->dev);
+
+	return 0;
+}
+
+static int s3c_fb_release(struct fb_info *info, int user)
+{
+	struct s3c_fb_win *win = info->par;
+	struct s3c_fb *sfb = win->parent;
+
+	pm_runtime_put_sync(sfb->dev);
+
+	return 0;
+}
+
 static struct fb_ops s3c_fb_ops = {
 	.owner		= THIS_MODULE,
+	.fb_open	= s3c_fb_open,
+	.fb_release	= s3c_fb_release,
 	.fb_check_var	= s3c_fb_check_var,
 	.fb_set_par	= s3c_fb_set_par,
 	.fb_blank	= s3c_fb_blank,
@@ -1322,6 +1345,8 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
 
 	clk_enable(sfb->bus_clk);
 
+	pm_runtime_enable(sfb->dev);
+
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
 		dev_err(dev, "failed to find registers\n");
@@ -1360,6 +1385,9 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
 
 	dev_dbg(dev, "got resources (regs %p), probing windows\n", sfb->regs);
 
+	platform_set_drvdata(pdev, sfb);
+	pm_runtime_get_sync(sfb->dev);
+
 	/* setup gpio and output polarity controls */
 
 	pd->setup_gpio();
@@ -1400,6 +1428,7 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
 	}
 
 	platform_set_drvdata(pdev, sfb);
+	pm_runtime_put_sync(sfb->dev);
 
 	return 0;
 
@@ -1434,6 +1463,8 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
 	struct s3c_fb *sfb = platform_get_drvdata(pdev);
 	int win;
 
+	pm_runtime_get_sync(sfb->dev);
+
 	for (win = 0; win < S3C_FB_MAX_WIN; win++)
 		if (sfb->windows[win])
 			s3c_fb_release_win(sfb, sfb->windows[win]);
@@ -1450,12 +1481,74 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
 
 	kfree(sfb);
 
+	pm_runtime_put_sync(sfb->dev);
+	pm_runtime_disable(sfb->dev);
+
 	return 0;
 }
 
 #ifdef CONFIG_PM
-static int s3c_fb_suspend(struct platform_device *pdev, pm_message_t state)
+static int s3c_fb_suspend(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct s3c_fb *sfb = platform_get_drvdata(pdev);
+	struct s3c_fb_win *win;
+	int win_no;
+
+	for (win_no = S3C_FB_MAX_WIN - 1; win_no >= 0; win_no--) {
+		win = sfb->windows[win_no];
+		if (!win)
+			continue;
+
+		/* use the blank function to push into power-down */
+		s3c_fb_blank(FB_BLANK_POWERDOWN, win->fbinfo);
+	}
+
+	clk_disable(sfb->bus_clk);
+	return 0;
+}
+
+static int s3c_fb_resume(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct s3c_fb *sfb = platform_get_drvdata(pdev);
+	struct s3c_fb_platdata *pd = sfb->pdata;
+	struct s3c_fb_win *win;
+	int win_no;
+
+	clk_enable(sfb->bus_clk);
+
+	/* setup registers */
+	writel(pd->vidcon1, sfb->regs + VIDCON1);
+
+	/* zero all windows before we do anything */
+	for (win_no = 0; win_no < sfb->variant.nr_windows; win_no++)
+		s3c_fb_clear_win(sfb, win_no);
+
+	for (win_no = 0; win_no < sfb->variant.nr_windows - 1; win_no++) {
+		void __iomem *regs = sfb->regs + sfb->variant.keycon;
+
+		regs += (win_no * 8);
+		writel(0xffffff, regs + WKEYCON0);
+		writel(0xffffff, regs + WKEYCON1);
+	}
+
+	/* restore framebuffers */
+	for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) {
+		win = sfb->windows[win_no];
+		if (!win)
+			continue;
+
+		dev_dbg(&pdev->dev, "resuming window %d\n", win_no);
+		s3c_fb_set_par(win->fbinfo);
+	}
+
+	return 0;
+}
+
+int s3c_fb_runtime_suspend(struct device *dev)
 {
+	struct platform_device *pdev = to_platform_device(dev);
 	struct s3c_fb *sfb = platform_get_drvdata(pdev);
 	struct s3c_fb_win *win;
 	int win_no;
@@ -1473,8 +1566,9 @@ static int s3c_fb_suspend(struct platform_device *pdev, pm_message_t state)
 	return 0;
 }
 
-static int s3c_fb_resume(struct platform_device *pdev)
+int s3c_fb_runtime_resume(struct device *dev)
 {
+	struct platform_device *pdev = to_platform_device(dev);
 	struct s3c_fb *sfb = platform_get_drvdata(pdev);
 	struct s3c_fb_platdata *pd = sfb->pdata;
 	struct s3c_fb_win *win;
@@ -1509,9 +1603,12 @@ static int s3c_fb_resume(struct platform_device *pdev)
 
 	return 0;
 }
+
 #else
 #define s3c_fb_suspend NULL
 #define s3c_fb_resume  NULL
+#define s3c_fb_runtime_suspend NULL
+#define s3c_fb_runtime_resume NULL
 #endif
 
 
@@ -1710,15 +1807,21 @@ static struct platform_device_id s3c_fb_driver_ids[] = {
 };
 MODULE_DEVICE_TABLE(platform, s3c_fb_driver_ids);
 
+static const struct dev_pm_ops s3cfb_pm_ops = {
+	.suspend	= s3c_fb_suspend,
+	.resume		= s3c_fb_resume,
+	.runtime_suspend	= s3c_fb_runtime_suspend,
+	.runtime_resume		= s3c_fb_runtime_resume,
+};
+
 static struct platform_driver s3c_fb_driver = {
 	.probe		= s3c_fb_probe,
 	.remove		= __devexit_p(s3c_fb_remove),
-	.suspend	= s3c_fb_suspend,
-	.resume		= s3c_fb_resume,
 	.id_table	= s3c_fb_driver_ids,
 	.driver		= {
 		.name	= "s3c-fb",
 		.owner	= THIS_MODULE,
+		.pm	= &s3cfb_pm_ops,
 	},
 };
 

drivers/video/sh_mipi_dsi.c

@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/types.h>
@@ -21,18 +22,40 @@
 #include <video/sh_mipi_dsi.h>
 #include <video/sh_mobile_lcdc.h>
 
-#define CMTSRTCTR	0x80d0
-#define CMTSRTREQ	0x8070
-
+#define SYSCTRL		0x0000
+#define SYSCONF		0x0004
+#define TIMSET		0x0008
+#define RESREQSET0	0x0018
+#define RESREQSET1	0x001c
+#define HSTTOVSET	0x0020
+#define LPRTOVSET	0x0024
+#define TATOVSET	0x0028
+#define PRTOVSET	0x002c
+#define DSICTRL		0x0030
 #define DSIINTE		0x0060
+#define PHYCTRL		0x0070
+
+/* relative to linkbase */
+#define DTCTR		0x0000
+#define VMCTR1		0x0020
+#define VMCTR2		0x0024
+#define VMLEN1		0x0028
+#define CMTSRTREQ	0x0070
+#define CMTSRTCTR	0x00d0
 
 /* E.g., sh7372 has 2 MIPI-DSIs - one for each LCDC */
 #define MAX_SH_MIPI_DSI 2
 
 struct sh_mipi {
 	void __iomem	*base;
+	void __iomem	*linkbase;
 	struct clk	*dsit_clk;
 	struct clk	*dsip_clk;
+	struct device	*dev;
+
+	void	*next_board_data;
+	void	(*next_display_on)(void *board_data, struct fb_info *info);
+	void	(*next_display_off)(void *board_data);
 };
 
 static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI];
@@ -55,10 +78,10 @@ static int sh_mipi_send_short(struct sh_mipi *mipi, u8 dsi_cmd,
 	int cnt = 100;
 
 	/* transmit a short packet to LCD panel */
-	iowrite32(1 | data, mipi->base + 0x80d0); /* CMTSRTCTR */
-	iowrite32(1, mipi->base + 0x8070); /* CMTSRTREQ */
+	iowrite32(1 | data, mipi->linkbase + CMTSRTCTR);
+	iowrite32(1, mipi->linkbase + CMTSRTREQ);
 
-	while ((ioread32(mipi->base + 0x8070) & 1) && --cnt)
+	while ((ioread32(mipi->linkbase + CMTSRTREQ) & 1) && --cnt)
 		udelay(1);
 
 	return cnt ? 0 : -ETIMEDOUT;
@@ -90,7 +113,7 @@ static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable)
 	 * enable LCDC data tx, transition to LPS after completion of each HS
 	 * packet
 	 */
-	iowrite32(0x00000002 | enable, mipi->base + 0x8000); /* DTCTR */
+	iowrite32(0x00000002 | enable, mipi->linkbase + DTCTR);
 }
 
 static void sh_mipi_shutdown(struct platform_device *pdev)
@@ -104,14 +127,22 @@ static void mipi_display_on(void *arg, struct fb_info *info)
 {
 	struct sh_mipi *mipi = arg;
 
+	pm_runtime_get_sync(mipi->dev);
 	sh_mipi_dsi_enable(mipi, true);
+
+	if (mipi->next_display_on)
+		mipi->next_display_on(mipi->next_board_data, info);
 }
 
 static void mipi_display_off(void *arg)
 {
 	struct sh_mipi *mipi = arg;
 
+	if (mipi->next_display_off)
+		mipi->next_display_off(mipi->next_board_data);
+
 	sh_mipi_dsi_enable(mipi, false);
+	pm_runtime_put(mipi->dev);
 }
 
 static int __init sh_mipi_setup(struct sh_mipi *mipi,
@@ -119,8 +150,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
 {
 	void __iomem *base = mipi->base;
 	struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan;
-	u32 pctype, datatype, pixfmt;
-	u32 linelength;
+	u32 pctype, datatype, pixfmt, linelength, vmctr2 = 0x00e00000;
 	bool yuv;
 
 	/*
@@ -223,10 +253,10 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
 		return -EINVAL;
 
 	/* reset DSI link */
-	iowrite32(0x00000001, base); /* SYSCTRL */
+	iowrite32(0x00000001, base + SYSCTRL);
 	/* Hold reset for 100 cycles of the slowest of bus, HS byte and LP clock */
 	udelay(50);
-	iowrite32(0x00000000, base); /* SYSCTRL */
+	iowrite32(0x00000000, base + SYSCTRL);
 
 	/* setup DSI link */
 
@@ -238,7 +268,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
 	 *	ECC check enable
 	 * additionally enable first two lanes
 	 */
-	iowrite32(0x00003703, base + 0x04); /* SYSCONF */
+	iowrite32(0x00003703, base + SYSCONF);
 	/*
 	 * T_wakeup = 0x7000
 	 * T_hs-trail = 3
@@ -246,28 +276,28 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
 	 * T_clk-trail = 3
 	 * T_clk-prepare = 2
 	 */
-	iowrite32(0x70003332, base + 0x08); /* TIMSET */
+	iowrite32(0x70003332, base + TIMSET);
 	/* no responses requested */
-	iowrite32(0x00000000, base + 0x18); /* RESREQSET0 */
+	iowrite32(0x00000000, base + RESREQSET0);
 	/* request response to packets of type 0x28 */
-	iowrite32(0x00000100, base + 0x1c); /* RESREQSET1 */
+	iowrite32(0x00000100, base + RESREQSET1);
 	/* High-speed transmission timeout, default 0xffffffff */
-	iowrite32(0x0fffffff, base + 0x20); /* HSTTOVSET */
+	iowrite32(0x0fffffff, base + HSTTOVSET);
 	/* LP reception timeout, default 0xffffffff */
-	iowrite32(0x0fffffff, base + 0x24); /* LPRTOVSET */
+	iowrite32(0x0fffffff, base + LPRTOVSET);
 	/* Turn-around timeout, default 0xffffffff */
-	iowrite32(0x0fffffff, base + 0x28); /* TATOVSET */
+	iowrite32(0x0fffffff, base + TATOVSET);
 	/* Peripheral reset timeout, default 0xffffffff */
-	iowrite32(0x0fffffff, base + 0x2c); /* PRTOVSET */
+	iowrite32(0x0fffffff, base + PRTOVSET);
 	/* Enable timeout counters */
-	iowrite32(0x00000f00, base + 0x30); /* DSICTRL */
+	iowrite32(0x00000f00, base + DSICTRL);
 	/* Interrupts not used, disable all */
 	iowrite32(0, base + DSIINTE);
 	/* DSI-Tx bias on */
-	iowrite32(0x00000001, base + 0x70); /* PHYCTRL */
+	iowrite32(0x00000001, base + PHYCTRL);
 	udelay(200);
 	/* Deassert resets, power on, set multiplier */
-	iowrite32(0x03070b01, base + 0x70); /* PHYCTRL */
+	iowrite32(0x03070b01, base + PHYCTRL);
 
 	/* setup l-bridge */
 
@@ -275,20 +305,28 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
 	 * Enable transmission of all packets,
 	 * transmit LPS after each HS packet completion
 	 */
-	iowrite32(0x00000006, base + 0x8000); /* DTCTR */
+	iowrite32(0x00000006, mipi->linkbase + DTCTR);
 	/* VSYNC width = 2 (<< 17) */
-	iowrite32(0x00040000 | (pctype << 12) | datatype, base + 0x8020); /* VMCTR1 */
+	iowrite32((ch->lcd_cfg[0].vsync_len << pdata->vsynw_offset) |
+		  (pdata->clksrc << 16) | (pctype << 12) | datatype,
+		  mipi->linkbase + VMCTR1);
+
 	/*
 	 * Non-burst mode with sync pulses: VSE and HSE are output,
 	 * HSA period allowed, no commands in LP
 	 */
-	iowrite32(0x00e00000, base + 0x8024); /* VMCTR2 */
+	if (pdata->flags & SH_MIPI_DSI_HSABM)
+		vmctr2 |= 0x20;
+	if (pdata->flags & SH_MIPI_DSI_HSPBM)
+		vmctr2 |= 0x10;
+	iowrite32(vmctr2, mipi->linkbase + VMCTR2);
+
 	/*
 	 * 0x660 = 1632 bytes per line (RGB24, 544 pixels: see
 	 * sh_mobile_lcdc_info.ch[0].lcd_cfg[0].xres), HSALEN = 1 - default
-	 * (unused, since VMCTR2[HSABM] = 0)
+	 * (unused if VMCTR2[HSABM] = 0)
 	 */
-	iowrite32(1 | (linelength << 16), base + 0x8028); /* VMLEN1 */
+	iowrite32(1 | (linelength << 16), mipi->linkbase + VMLEN1);
 
 	msleep(5);
 
@@ -321,11 +359,12 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
 	struct sh_mipi *mipi;
 	struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
 	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	unsigned long rate, f_current;
 	int idx = pdev->id, ret;
 	char dsip_clk[] = "dsi.p_clk";
 
-	if (!res || idx >= ARRAY_SIZE(mipi_dsi) || !pdata)
+	if (!res || !res2 || idx >= ARRAY_SIZE(mipi_dsi) || !pdata)
 		return -ENODEV;
 
 	mutex_lock(&array_lock);
@@ -356,6 +395,20 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
 		goto emap;
 	}
 
+	if (!request_mem_region(res2->start, resource_size(res2), pdev->name)) {
+		dev_err(&pdev->dev, "MIPI register region 2 already claimed\n");
+		ret = -EBUSY;
+		goto ereqreg2;
+	}
+
+	mipi->linkbase = ioremap(res2->start, resource_size(res2));
+	if (!mipi->linkbase) {
+		ret = -ENOMEM;
+		goto emap2;
+	}
+
+	mipi->dev = &pdev->dev;
+
 	mipi->dsit_clk = clk_get(&pdev->dev, "dsit_clk");
 	if (IS_ERR(mipi->dsit_clk)) {
 		ret = PTR_ERR(mipi->dsit_clk);
@@ -405,6 +458,9 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
 
 	mipi_dsi[idx] = mipi;
 
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_resume(&pdev->dev);
+
 	ret = sh_mipi_setup(mipi, pdata);
 	if (ret < 0)
 		goto emipisetup;
@@ -412,15 +468,22 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
 	mutex_unlock(&array_lock);
 	platform_set_drvdata(pdev, mipi);
 
+	/* Save original LCDC callbacks */
+	mipi->next_board_data = pdata->lcd_chan->board_cfg.board_data;
+	mipi->next_display_on = pdata->lcd_chan->board_cfg.display_on;
+	mipi->next_display_off = pdata->lcd_chan->board_cfg.display_off;
+
 	/* Set up LCDC callbacks */
 	pdata->lcd_chan->board_cfg.board_data = mipi;
 	pdata->lcd_chan->board_cfg.display_on = mipi_display_on;
 	pdata->lcd_chan->board_cfg.display_off = mipi_display_off;
+	pdata->lcd_chan->board_cfg.owner = THIS_MODULE;
 
 	return 0;
 
 emipisetup:
 	mipi_dsi[idx] = NULL;
+	pm_runtime_disable(&pdev->dev);
 	clk_disable(mipi->dsip_clk);
 eclkpon:
 	clk_disable(mipi->dsit_clk);
@@ -431,6 +494,10 @@ eclkpget:
 esettrate:
 	clk_put(mipi->dsit_clk);
 eclktget:
+	iounmap(mipi->linkbase);
+emap2:
+	release_mem_region(res2->start, resource_size(res2));
+ereqreg2:
 	iounmap(mipi->base);
 emap:
 	release_mem_region(res->start, resource_size(res));
@@ -447,6 +514,7 @@ static int __exit sh_mipi_remove(struct platform_device *pdev)
 {
 	struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
 	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	struct sh_mipi *mipi = platform_get_drvdata(pdev);
 	int i, ret;
 
@@ -467,14 +535,19 @@ static int __exit sh_mipi_remove(struct platform_device *pdev)
 	if (ret < 0)
 		return ret;
 
+	pdata->lcd_chan->board_cfg.owner = NULL;
 	pdata->lcd_chan->board_cfg.display_on = NULL;
 	pdata->lcd_chan->board_cfg.display_off = NULL;
 	pdata->lcd_chan->board_cfg.board_data = NULL;
 
+	pm_runtime_disable(&pdev->dev);
 	clk_disable(mipi->dsip_clk);
 	clk_disable(mipi->dsit_clk);
 	clk_put(mipi->dsit_clk);
 	clk_put(mipi->dsip_clk);
+	iounmap(mipi->linkbase);
+	if (res2)
+		release_mem_region(res2->start, resource_size(res2));
 	iounmap(mipi->base);
 	if (res)
 		release_mem_region(res->start, resource_size(res));

drivers/video/sh_mobile_hdmi.c

@@ -209,7 +209,11 @@ enum hotplug_state {
 struct sh_hdmi {
 	void __iomem *base;
 	enum hotplug_state hp_state;	/* hot-plug status */
-	bool preprogrammed_mode;	/* use a pre-programmed VIC or the external mode */
+	u8 preprogrammed_vic;		/* use a pre-programmed VIC or
+					   the external mode */
+	u8 edid_block_addr;
+	u8 edid_segment_nr;
+	u8 edid_blocks;
 	struct clk *hdmi_clk;
 	struct device *dev;
 	struct fb_info *info;
@@ -342,7 +346,7 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
 	hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
 
 	/* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
-	if (!hdmi->preprogrammed_mode)
+	if (!hdmi->preprogrammed_vic)
 		hdmi_write(hdmi, sync | 1 | (voffset << 4),
 			   HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
 }
@@ -466,7 +470,18 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
  */
 static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
 {
-	if (hdmi->var.yres > 480) {
+	if (hdmi->var.pixclock < 10000) {
+		/* for 1080p8bit 148MHz */
+		hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
+		hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
+		hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
+		hdmi_write(hdmi, 0x4c, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
+		hdmi_write(hdmi, 0x1e, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
+		hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
+		hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
+		hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
+		hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
+	} else if (hdmi->var.pixclock < 30000) {
 		/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
 		/*
 		 * [1:0]	Speed_A
@@ -565,13 +580,11 @@ static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
 	hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
 
 	/*
-	 * VIC = 1280 x 720p: ignored if external config is used
-	 * Send 2 for 720 x 480p, 16 for 1080p, ignored in external mode
+	 * VIC should be ignored if external config is used, so, we could just use 0,
+	 * but play safe and use a valid value in any case just in case
 	 */
-	if (hdmi->var.yres == 1080 && hdmi->var.xres == 1920)
-		vic = 16;
-	else if (hdmi->var.yres == 480 && hdmi->var.xres == 720)
-		vic = 2;
+	if (hdmi->preprogrammed_vic)
+		vic = hdmi->preprogrammed_vic;
 	else
 		vic = 4;
 	hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
@@ -685,11 +698,21 @@ static void sh_hdmi_configure(struct sh_hdmi *hdmi)
 }
 
 static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
-					const struct fb_videomode *mode)
+		const struct fb_videomode *mode,
+		unsigned long *hdmi_rate, unsigned long *parent_rate)
 {
-	long target = PICOS2KHZ(mode->pixclock) * 1000,
-		rate = clk_round_rate(hdmi->hdmi_clk, target);
-	unsigned long rate_error = rate > 0 ? abs(rate - target) : ULONG_MAX;
+	unsigned long target = PICOS2KHZ(mode->pixclock) * 1000, rate_error;
+	struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+
+	*hdmi_rate = clk_round_rate(hdmi->hdmi_clk, target);
+	if ((long)*hdmi_rate < 0)
+		*hdmi_rate = clk_get_rate(hdmi->hdmi_clk);
+
+	rate_error = (long)*hdmi_rate > 0 ? abs(*hdmi_rate - target) : ULONG_MAX;
+	if (rate_error && pdata->clk_optimize_parent)
+		rate_error = pdata->clk_optimize_parent(target, hdmi_rate, parent_rate);
+	else if (clk_get_parent(hdmi->hdmi_clk))
+		*parent_rate = clk_get_rate(clk_get_parent(hdmi->hdmi_clk));
 
 	dev_dbg(hdmi->dev, "%u-%u-%u-%u x %u-%u-%u-%u\n",
 		mode->left_margin, mode->xres,
@@ -697,14 +720,15 @@ static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
 		mode->upper_margin, mode->yres,
 		mode->lower_margin, mode->vsync_len);
 
-	dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz\n", target,
-		 rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0,
-		 mode->refresh);
+	dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz, p=%luHz\n", target,
+		rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0,
+		mode->refresh, *parent_rate);
 
 	return rate_error;
 }
 
-static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
+static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
+			     unsigned long *parent_rate)
 {
 	struct fb_var_screeninfo tmpvar;
 	struct fb_var_screeninfo *var = &tmpvar;
@@ -735,7 +759,38 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
 	printk(KERN_CONT "\n");
 #endif
 
-	fb_edid_to_monspecs(edid, &hdmi->monspec);
+	if (!hdmi->edid_blocks) {
+		fb_edid_to_monspecs(edid, &hdmi->monspec);
+		hdmi->edid_blocks = edid[126] + 1;
+
+		dev_dbg(hdmi->dev, "%d main modes, %d extension blocks\n",
+			hdmi->monspec.modedb_len, hdmi->edid_blocks - 1);
+	} else {
+		dev_dbg(hdmi->dev, "Extension %u detected, DTD start %u\n",
+			edid[0], edid[2]);
+		fb_edid_add_monspecs(edid, &hdmi->monspec);
+	}
+
+	if (hdmi->edid_blocks > hdmi->edid_segment_nr * 2 +
+	    (hdmi->edid_block_addr >> 7) + 1) {
+		/* More blocks to read */
+		if (hdmi->edid_block_addr) {
+			hdmi->edid_block_addr = 0;
+			hdmi->edid_segment_nr++;
+		} else {
+			hdmi->edid_block_addr = 0x80;
+		}
+		/* Set EDID word address  */
+		hdmi_write(hdmi, hdmi->edid_block_addr, HDMI_EDID_WORD_ADDRESS);
+		/* Enable EDID interrupt */
+		hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1);
+		/* Set EDID segment pointer - starts reading EDID */
+		hdmi_write(hdmi, hdmi->edid_segment_nr, HDMI_EDID_SEGMENT_POINTER);
+		return -EAGAIN;
+	}
+
+	/* All E-EDID blocks ready */
+	dev_dbg(hdmi->dev, "%d main and extended modes\n", hdmi->monspec.modedb_len);
 
 	fb_get_options("sh_mobile_lcdc", &forced);
 	if (forced && *forced) {
@@ -754,11 +809,14 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
 	for (i = 0, mode = hdmi->monspec.modedb;
 	     f_width && f_height && i < hdmi->monspec.modedb_len && !exact_match;
 	     i++, mode++) {
-		unsigned long rate_error = sh_hdmi_rate_error(hdmi, mode);
+		unsigned long rate_error;
 
 		/* No interest in unmatching modes */
 		if (f_width != mode->xres || f_height != mode->yres)
 			continue;
+
+		rate_error = sh_hdmi_rate_error(hdmi, mode, hdmi_rate, parent_rate);
+
 		if (f_refresh == mode->refresh || (!f_refresh && !rate_error))
 			/*
 			 * Exact match if either the refresh rate matches or it
@@ -805,7 +863,7 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
 
 		if (modelist) {
 			found = &modelist->mode;
-			found_rate_error = sh_hdmi_rate_error(hdmi, found);
+			found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate, parent_rate);
 		}
 	}
 
@@ -813,16 +871,27 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
 	if (!found)
 		return -ENXIO;
 
-	dev_info(hdmi->dev, "Using %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
-		 modelist ? "default" : "EDID", found->xres, found->yres,
-		 found->refresh, PICOS2KHZ(found->pixclock) * 1000, found_rate_error);
-
-	if ((found->xres == 720 && found->yres == 480) ||
-	    (found->xres == 1280 && found->yres == 720) ||
-	    (found->xres == 1920 && found->yres == 1080))
-		hdmi->preprogrammed_mode = true;
+	if (found->xres == 640 && found->yres == 480 && found->refresh == 60)
+		hdmi->preprogrammed_vic = 1;
+	else if (found->xres == 720 && found->yres == 480 && found->refresh == 60)
+		hdmi->preprogrammed_vic = 2;
+	else if (found->xres == 720 && found->yres == 576 && found->refresh == 50)
+		hdmi->preprogrammed_vic = 17;
+	else if (found->xres == 1280 && found->yres == 720 && found->refresh == 60)
+		hdmi->preprogrammed_vic = 4;
+	else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 24)
+		hdmi->preprogrammed_vic = 32;
+	else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 50)
+		hdmi->preprogrammed_vic = 31;
+	else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 60)
+		hdmi->preprogrammed_vic = 16;
 	else
-		hdmi->preprogrammed_mode = false;
+		hdmi->preprogrammed_vic = 0;
+
+	dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
+		modelist ? "default" : "EDID", hdmi->preprogrammed_vic ? "VIC" : "external",
+		found->xres, found->yres, found->refresh,
+		PICOS2KHZ(found->pixclock) * 1000, found_rate_error);
 
 	fb_videomode_to_var(&hdmi->var, found);
 	sh_hdmi_external_video_param(hdmi);
@@ -871,32 +940,34 @@ static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id)
 		/* Check, if hot plug & MSENS pin status are both high */
 		if ((msens & 0xC0) == 0xC0) {
 			/* Display plug in */
+			hdmi->edid_segment_nr = 0;
+			hdmi->edid_block_addr = 0;
+			hdmi->edid_blocks = 0;
 			hdmi->hp_state = HDMI_HOTPLUG_CONNECTED;
 
 			/* Set EDID word address  */
 			hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS);
-			/* Set EDID segment pointer */
-			hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
 			/* Enable EDID interrupt */
 			hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1);
+			/* Set EDID segment pointer - starts reading EDID */
+			hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
 		} else if (!(status1 & 0x80)) {
 			/* Display unplug, beware multiple interrupts */
-			if (hdmi->hp_state != HDMI_HOTPLUG_DISCONNECTED)
+			if (hdmi->hp_state != HDMI_HOTPLUG_DISCONNECTED) {
+				hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
 				schedule_delayed_work(&hdmi->edid_work, 0);
-
-			hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
+			}
 			/* display_off will switch back to mode_a */
 		}
 	} else if (status1 & 2) {
 		/* EDID error interrupt: retry */
 		/* Set EDID word address  */
-		hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS);
+		hdmi_write(hdmi, hdmi->edid_block_addr, HDMI_EDID_WORD_ADDRESS);
 		/* Set EDID segment pointer */
-		hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
+		hdmi_write(hdmi, hdmi->edid_segment_nr, HDMI_EDID_SEGMENT_POINTER);
 	} else if (status1 & 4) {
 		/* Disable EDID interrupt */
 		hdmi_write(hdmi, 0xC0, HDMI_INTERRUPT_MASK_1);
-		hdmi->hp_state = HDMI_HOTPLUG_EDID_DONE;
 		schedule_delayed_work(&hdmi->edid_work, msecs_to_jiffies(10));
 	}
 
@@ -979,39 +1050,37 @@ static bool sh_hdmi_must_reconfigure(struct sh_hdmi *hdmi)
 
 /**
  * sh_hdmi_clk_configure() - set HDMI clock frequency and enable the clock
- * @hdmi:	driver context
- * @pixclock:	pixel clock period in picoseconds
- * return:	configured positive rate if successful
- *		0 if couldn't set the rate, but managed to enable the clock
- *		negative error, if couldn't enable the clock
+ * @hdmi:		driver context
+ * @hdmi_rate:		HDMI clock frequency in Hz
+ * @parent_rate:	if != 0 - set parent clock rate for optimal precision
+ * return:		configured positive rate if successful
+ *			0 if couldn't set the rate, but managed to enable the
+ *			clock, negative error, if couldn't enable the clock
  */
-static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long pixclock)
+static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long hdmi_rate,
+				  unsigned long parent_rate)
 {
-	long rate;
 	int ret;
 
-	rate = PICOS2KHZ(pixclock) * 1000;
-	rate = clk_round_rate(hdmi->hdmi_clk, rate);
-	if (rate > 0) {
-		ret = clk_set_rate(hdmi->hdmi_clk, rate);
+	if (parent_rate && clk_get_parent(hdmi->hdmi_clk)) {
+		ret = clk_set_rate(clk_get_parent(hdmi->hdmi_clk), parent_rate);
 		if (ret < 0) {
-			dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", rate, ret);
-			rate = 0;
+			dev_warn(hdmi->dev, "Cannot set parent rate %ld: %d\n", parent_rate, ret);
+			hdmi_rate = clk_round_rate(hdmi->hdmi_clk, hdmi_rate);
 		} else {
-			dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", rate);
+			dev_dbg(hdmi->dev, "HDMI set parent frequency %lu\n", parent_rate);
 		}
-	} else {
-		rate = 0;
-		dev_warn(hdmi->dev, "Cannot get suitable rate: %ld\n", rate);
 	}
 
-	ret = clk_enable(hdmi->hdmi_clk);
+	ret = clk_set_rate(hdmi->hdmi_clk, hdmi_rate);
 	if (ret < 0) {
-		dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
-		return ret;
+		dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", hdmi_rate, ret);
+		hdmi_rate = 0;
+	} else {
+		dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", hdmi_rate);
 	}
 
-	return rate;
+	return hdmi_rate;
 }
 
 /* Hotplug interrupt occurred, read EDID */
@@ -1030,17 +1099,20 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
 
 	mutex_lock(&hdmi->mutex);
 
-	if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) {
+	if (hdmi->hp_state == HDMI_HOTPLUG_CONNECTED) {
+		unsigned long parent_rate = 0, hdmi_rate;
+
 		/* A device has been plugged in */
 		pm_runtime_get_sync(hdmi->dev);
 
-		ret = sh_hdmi_read_edid(hdmi);
+		ret = sh_hdmi_read_edid(hdmi, &hdmi_rate, &parent_rate);
 		if (ret < 0)
 			goto out;
 
+		hdmi->hp_state = HDMI_HOTPLUG_EDID_DONE;
+
 		/* Reconfigure the clock */
-		clk_disable(hdmi->hdmi_clk);
-		ret = sh_hdmi_clk_configure(hdmi, hdmi->var.pixclock);
+		ret = sh_hdmi_clk_configure(hdmi, hdmi_rate, parent_rate);
 		if (ret < 0)
 			goto out;
 
@@ -1095,7 +1167,7 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
 	}
 
 out:
-	if (ret < 0)
+	if (ret < 0 && ret != -EAGAIN)
 		hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
 	mutex_unlock(&hdmi->mutex);
 
@@ -1176,13 +1248,22 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
 		goto egetclk;
 	}
 
-	/* Some arbitrary relaxed pixclock just to get things started */
-	rate = sh_hdmi_clk_configure(hdmi, 37037);
+	/* An arbitrary relaxed pixclock just to get things started: from standard 480p */
+	rate = clk_round_rate(hdmi->hdmi_clk, PICOS2KHZ(37037));
+	if (rate > 0)
+		rate = sh_hdmi_clk_configure(hdmi, rate, 0);
+
 	if (rate < 0) {
 		ret = rate;
 		goto erate;
 	}
 
+	ret = clk_enable(hdmi->hdmi_clk);
+	if (ret < 0) {
+		dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
+		goto erate;
+	}
+
 	dev_dbg(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate);
 
 	if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) {
@@ -1200,10 +1281,6 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, hdmi);
 
-	/* Product and revision IDs are 0 in sh-mobile version */
-	dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
-		 hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
-
 	/* Set up LCDC callbacks */
 	board_cfg = &pdata->lcd_chan->board_cfg;
 	board_cfg->owner = THIS_MODULE;
@@ -1216,6 +1293,10 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
 	pm_runtime_enable(&pdev->dev);
 	pm_runtime_resume(&pdev->dev);
 
+	/* Product and revision IDs are 0 in sh-mobile version */
+	dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
+		 hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
+
 	ret = request_irq(irq, sh_hdmi_hotplug, 0,
 			  dev_name(&pdev->dev), hdmi);
 	if (ret < 0) {

drivers/video/sh_mobile_lcdcfb.c

@@ -139,6 +139,7 @@ struct sh_mobile_lcdc_priv {
 	struct notifier_block notifier;
 	unsigned long saved_shared_regs[NR_SHARED_REGS];
 	int started;
+	int forced_bpp; /* 2 channel LCDC must share bpp setting */
 };
 
 static bool banked(int reg_nr)
@@ -461,13 +462,18 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
 	struct sh_mobile_lcdc_chan *ch;
 	struct sh_mobile_lcdc_board_cfg	*board_cfg;
 	unsigned long tmp;
+	int bpp = 0;
 	int k, m;
 	int ret = 0;
 
 	/* enable clocks before accessing the hardware */
-	for (k = 0; k < ARRAY_SIZE(priv->ch); k++)
-		if (priv->ch[k].enabled)
+	for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
+		if (priv->ch[k].enabled) {
 			sh_mobile_lcdc_clk_on(priv);
+			if (!bpp)
+				bpp = priv->ch[k].info->var.bits_per_pixel;
+		}
+	}
 
 	/* reset */
 	lcdc_write(priv, _LDCNT2R, lcdc_read(priv, _LDCNT2R) | LCDC_RESET);
@@ -535,7 +541,17 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
 	}
 
 	/* word and long word swap */
-	lcdc_write(priv, _LDDDSR, lcdc_read(priv, _LDDDSR) | 6);
+	switch (bpp) {
+	case 16:
+		lcdc_write(priv, _LDDDSR, lcdc_read(priv, _LDDDSR) | 6);
+		break;
+	case 24:
+		lcdc_write(priv, _LDDDSR, lcdc_read(priv, _LDDDSR) | 7);
+		break;
+	case 32:
+		lcdc_write(priv, _LDDDSR, lcdc_read(priv, _LDDDSR) | 4);
+		break;
+	}
 
 	for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
 		ch = &priv->ch[k];
@@ -546,7 +562,16 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
 		/* set bpp format in PKF[4:0] */
 		tmp = lcdc_read_chan(ch, LDDFR);
 		tmp &= ~0x0001001f;
-		tmp |= (ch->info->var.bits_per_pixel == 16) ? 3 : 0;
+		switch (ch->info->var.bits_per_pixel) {
+		case 16:
+			tmp |= 0x03;
+			break;
+		case 24:
+			tmp |= 0x0b;
+			break;
+		case 32:
+			break;
+		}
 		lcdc_write_chan(ch, LDDFR, tmp);
 
 		/* point out our frame buffer */
@@ -913,15 +938,30 @@ static int sh_mobile_open(struct fb_info *info, int user)
 static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 {
 	struct sh_mobile_lcdc_chan *ch = info->par;
+	struct sh_mobile_lcdc_priv *p = ch->lcdc;
 
 	if (var->xres > MAX_XRES || var->yres > MAX_YRES ||
 	    var->xres * var->yres * (ch->cfg.bpp / 8) * 2 > info->fix.smem_len) {
-		dev_warn(info->dev, "Invalid info: %u-%u-%u-%u x %u-%u-%u-%u @ %ukHz!\n",
+		dev_warn(info->dev, "Invalid info: %u-%u-%u-%u x %u-%u-%u-%u @ %lukHz!\n",
 			 var->left_margin, var->xres, var->right_margin, var->hsync_len,
 			 var->upper_margin, var->yres, var->lower_margin, var->vsync_len,
 			 PICOS2KHZ(var->pixclock));
 		return -EINVAL;
 	}
+
+	/* only accept the forced_bpp for dual channel configurations */
+	if (p->forced_bpp && p->forced_bpp != var->bits_per_pixel)
+		return -EINVAL;
+
+	switch (var->bits_per_pixel) {
+	case 16: /* PKF[4:0] = 00011 - RGB 565 */
+	case 24: /* PKF[4:0] = 01011 - RGB 888 */
+	case 32: /* PKF[4:0] = 00000 - RGBA 888 */
+		break;
+	default:
+		return -EINVAL;
+	}
+
 	return 0;
 }
 
@@ -954,19 +994,27 @@ static int sh_mobile_lcdc_set_bpp(struct fb_var_screeninfo *var, int bpp)
 		var->transp.length = 0;
 		break;
 
-	case 32: /* PKF[4:0] = 00000 - RGB 888
-		  * sh7722 pdf says 00RRGGBB but reality is GGBB00RR
-		  * this may be because LDDDSR has word swap enabled..
-		  */
-		var->red.offset = 0;
+	case 24: /* PKF[4:0] = 01011 - RGB 888 */
+		var->red.offset = 16;
 		var->red.length = 8;
-		var->green.offset = 24;
+		var->green.offset = 8;
 		var->green.length = 8;
-		var->blue.offset = 16;
+		var->blue.offset = 0;
 		var->blue.length = 8;
 		var->transp.offset = 0;
 		var->transp.length = 0;
 		break;
+
+	case 32: /* PKF[4:0] = 00000 - RGBA 888 */
+		var->red.offset = 16;
+		var->red.length = 8;
+		var->green.offset = 8;
+		var->green.length = 8;
+		var->blue.offset = 0;
+		var->blue.length = 8;
+		var->transp.offset = 24;
+		var->transp.length = 8;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -1170,6 +1218,10 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
 		goto err1;
 	}
 
+	/* for dual channel LCDC (MAIN + SUB) force shared bpp setting */
+	if (j == 2)
+		priv->forced_bpp = pdata->ch[0].bpp;
+
 	priv->base = ioremap_nocache(res->start, resource_size(res));
 	if (!priv->base)
 		goto err1;

drivers/video/sis/init.c

@@ -56,10 +56,6 @@
  * Used by permission.
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include "init.h"
 
 #ifdef CONFIG_FB_SIS_300
@@ -880,59 +876,59 @@ SiS_GetModeID_VGA2(int VGAEngine, unsigned int VBFlags, int HDisplay, int VDispl
 /*********************************************/
 
 void
-SiS_SetReg(SISIOADDRESS port, unsigned short index, unsigned short data)
+SiS_SetReg(SISIOADDRESS port, u8 index, u8 data)
 {
-	outb((u8)index, port);
-	outb((u8)data, port + 1);
+	outb(index, port);
+	outb(data, port + 1);
 }
 
 void
-SiS_SetRegByte(SISIOADDRESS port, unsigned short data)
+SiS_SetRegByte(SISIOADDRESS port, u8 data)
 {
-	outb((u8)data, port);
+	outb(data, port);
 }
 
 void
-SiS_SetRegShort(SISIOADDRESS port, unsigned short data)
+SiS_SetRegShort(SISIOADDRESS port, u16 data)
 {
-	outw((u16)data, port);
+	outw(data, port);
 }
 
 void
-SiS_SetRegLong(SISIOADDRESS port, unsigned int data)
+SiS_SetRegLong(SISIOADDRESS port, u32 data)
 {
-	outl((u32)data, port);
+	outl(data, port);
 }
 
-unsigned char
-SiS_GetReg(SISIOADDRESS port, unsigned short index)
+u8
+SiS_GetReg(SISIOADDRESS port, u8 index)
 {
-	outb((u8)index, port);
+	outb(index, port);
 	return inb(port + 1);
 }
 
-unsigned char
+u8
 SiS_GetRegByte(SISIOADDRESS port)
 {
 	return inb(port);
 }
 
-unsigned short
+u16
 SiS_GetRegShort(SISIOADDRESS port)
 {
 	return inw(port);
 }
 
-unsigned int
+u32
 SiS_GetRegLong(SISIOADDRESS port)
 {
 	return inl(port);
 }
 
 void
-SiS_SetRegANDOR(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND, unsigned short DataOR)
+SiS_SetRegANDOR(SISIOADDRESS Port, u8 Index, u8 DataAND, u8 DataOR)
 {
-   unsigned short temp;
+   u8 temp;
 
    temp = SiS_GetReg(Port, Index);
    temp = (temp & (DataAND)) | DataOR;
@@ -940,9 +936,9 @@ SiS_SetRegANDOR(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND,
 }
 
 void
-SiS_SetRegAND(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND)
+SiS_SetRegAND(SISIOADDRESS Port, u8 Index, u8 DataAND)
 {
-   unsigned short temp;
+   u8 temp;
 
    temp = SiS_GetReg(Port, Index);
    temp &= DataAND;
@@ -950,9 +946,9 @@ SiS_SetRegAND(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND)
 }
 
 void
-SiS_SetRegOR(SISIOADDRESS Port, unsigned short Index, unsigned short DataOR)
+SiS_SetRegOR(SISIOADDRESS Port, u8 Index, u8 DataOR)
 {
-   unsigned short temp;
+   u8 temp;
 
    temp = SiS_GetReg(Port, Index);
    temp |= DataOR;

drivers/video/sis/init.h

@@ -1516,19 +1516,6 @@ unsigned short	SiS_GetModeID_TV(int VGAEngine, unsigned int VBFlags, int HDispla
 unsigned short	SiS_GetModeID_VGA2(int VGAEngine, unsigned int VBFlags, int HDisplay,
 				int VDisplay, int Depth, unsigned int VBFlags2);
 
-void		SiS_SetReg(SISIOADDRESS port, unsigned short index, unsigned short data);
-void		SiS_SetRegByte(SISIOADDRESS port, unsigned short data);
-void		SiS_SetRegShort(SISIOADDRESS port, unsigned short data);
-void		SiS_SetRegLong(SISIOADDRESS port, unsigned int data);
-unsigned char	SiS_GetReg(SISIOADDRESS port, unsigned short index);
-unsigned char	SiS_GetRegByte(SISIOADDRESS port);
-unsigned short	SiS_GetRegShort(SISIOADDRESS port);
-unsigned int	SiS_GetRegLong(SISIOADDRESS port);
-void		SiS_SetRegANDOR(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND,
-				unsigned short DataOR);
-void		SiS_SetRegAND(SISIOADDRESS Port,unsigned short Index, unsigned short DataAND);
-void		SiS_SetRegOR(SISIOADDRESS Port,unsigned short Index, unsigned short DataOR);
-
 void		SiS_DisplayOn(struct SiS_Private *SiS_Pr);
 void		SiS_DisplayOff(struct SiS_Private *SiS_Pr);
 void		SiSRegInit(struct SiS_Private *SiS_Pr, SISIOADDRESS BaseAddr);

drivers/video/sis/init301.c

@@ -57,10 +57,6 @@
  *
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #if 1
 #define SET_EMI		/* 302LV/ELV: Set EMI values */
 #endif
@@ -5856,7 +5852,7 @@ SiS_SetGroup1_LVDS(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned s
      temp = tempax & 0x00FF;
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x43,temp);
      temp = ((tempax & 0xFF00) >> 8) << 3;
-     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x44,~0x0F8,temp);
+     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port, 0x44, 0x07, temp);
 
      tempax = SiS_Pr->SiS_VDE;				 	/* BDxWadrst1 = BDxWadrst0 + BDxWadroff * VDE */
      if(SiS_Pr->SiS_LCDResInfo == Panel_320x240_1 ||
@@ -5870,7 +5866,7 @@ SiS_SetGroup1_LVDS(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned s
      temp = ((tempeax & 0xFF0000) >> 16) | 0x10;
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x40,temp);
      temp = ((tempeax & 0x01000000) >> 24) << 7;
-     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x3C,~0x080,temp);
+     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port, 0x3C, 0x7F, temp);
 
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x2F,0x03);
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x03,0x50);

drivers/video/sis/init301.h

@@ -428,17 +428,6 @@ static void		SiS_OEM661Setting(struct SiS_Private *SiS_Pr,
 static void		SiS_FinalizeLCD(struct SiS_Private *, unsigned short, unsigned short);
 #endif
 
-extern void		SiS_SetReg(SISIOADDRESS, unsigned short, unsigned short);
-extern void		SiS_SetRegByte(SISIOADDRESS, unsigned short);
-extern void		SiS_SetRegShort(SISIOADDRESS, unsigned short);
-extern void		SiS_SetRegLong(SISIOADDRESS, unsigned int);
-extern unsigned char	SiS_GetReg(SISIOADDRESS, unsigned short);
-extern unsigned char	SiS_GetRegByte(SISIOADDRESS);
-extern unsigned short	SiS_GetRegShort(SISIOADDRESS);
-extern unsigned int	SiS_GetRegLong(SISIOADDRESS);
-extern void		SiS_SetRegANDOR(SISIOADDRESS, unsigned short, unsigned short, unsigned short);
-extern void		SiS_SetRegOR(SISIOADDRESS, unsigned short, unsigned short);
-extern void		SiS_SetRegAND(SISIOADDRESS, unsigned short, unsigned short);
 extern void		SiS_DisplayOff(struct SiS_Private *SiS_Pr);
 extern void		SiS_DisplayOn(struct SiS_Private *SiS_Pr);
 extern bool		SiS_SearchModeID(struct SiS_Private *, unsigned short *, unsigned short *);

drivers/video/sis/sis.h

@@ -307,58 +307,19 @@
 #define VB2_LCDOVER1600BRIDGE	(VB2_307T  | VB2_307LV)
 #define VB2_RAMDAC202MHZBRIDGE	(VB2_301C  | VB2_307T)
 
-/* I/O port access macros */
-#define inSISREG(base)		inb(base)
-
-#define outSISREG(base,val)	outb(val,base)
-
-#define orSISREG(base,val)      			\
-		do {					\
-			u8 __Temp = inSISREG(base); 	\
-			outSISREG(base, __Temp | (val));\
-		} while (0)
-
-#define andSISREG(base,val)     			\
-		do {					\
-			u8 __Temp = inSISREG(base); 	\
-			outSISREG(base, __Temp & (val));\
-		} while (0)
-
-#define inSISIDXREG(base,idx,var)			\
-		do {					\
-			outSISREG(base, idx); 		\
-			var = inSISREG((base)+1);	\
-		} while (0)
-
-#define outSISIDXREG(base,idx,val)			\
-		do {					\
-			outSISREG(base, idx);		\
-			outSISREG((base)+1, val);	\
-		} while (0)
-
-#define orSISIDXREG(base,idx,val)				\
-		do {						\
-			u8 __Temp; 				\
-			outSISREG(base, idx);   		\
-			__Temp = inSISREG((base)+1) | (val); 	\
-			outSISREG((base)+1, __Temp);		\
-		} while (0)
-
-#define andSISIDXREG(base,idx,and)				\
-		do {						\
-			u8 __Temp; 				\
-			outSISREG(base, idx);   		\
-			__Temp = inSISREG((base)+1) & (and); 	\
-			outSISREG((base)+1, __Temp);		\
-		} while (0)
-
-#define setSISIDXREG(base,idx,and,or)   				\
-		do {							\
-			u8 __Temp; 					\
-			outSISREG(base, idx);				\
-			__Temp = (inSISREG((base)+1) & (and)) | (or); 	\
-			outSISREG((base)+1, __Temp);			\
-		} while (0)
+/* I/O port access functions */
+
+void SiS_SetReg(SISIOADDRESS, u8, u8);
+void SiS_SetRegByte(SISIOADDRESS, u8);
+void SiS_SetRegShort(SISIOADDRESS, u16);
+void SiS_SetRegLong(SISIOADDRESS, u32);
+void SiS_SetRegANDOR(SISIOADDRESS, u8, u8, u8);
+void SiS_SetRegAND(SISIOADDRESS, u8, u8);
+void SiS_SetRegOR(SISIOADDRESS, u8, u8);
+u8 SiS_GetReg(SISIOADDRESS, u8);
+u8 SiS_GetRegByte(SISIOADDRESS);
+u16 SiS_GetRegShort(SISIOADDRESS);
+u32 SiS_GetRegLong(SISIOADDRESS);
 
 /* MMIO access macros */
 #define MMIO_IN8(base, offset)  readb((base+offset))

drivers/staging/udlfb/udlfb.c → drivers/video/udlfb.c

@@ -16,6 +16,8 @@
  * from Florian Echtler, Henrik Bjerregaard Pedersen, and others.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -26,8 +28,8 @@
 #include <linux/vmalloc.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
-
-#include "udlfb.h"
+#include <video/udlfb.h>
+#include "edid.h"
 
 static struct fb_fix_screeninfo dlfb_fix = {
 	.id =           "udlfb",
@@ -40,9 +42,7 @@ static struct fb_fix_screeninfo dlfb_fix = {
 };
 
 static const u32 udlfb_info_flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
-#ifdef FBINFO_VIRTFB
 		FBINFO_VIRTFB |
-#endif
 		FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_FILLRECT |
 		FBINFO_HWACCEL_COPYAREA | FBINFO_MISC_ALWAYS_SETPAR;
 
@@ -293,7 +293,7 @@ static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma)
 
 	pos = (unsigned long)info->fix.smem_start + offset;
 
-	dl_notice("mmap() framebuffer addr:%lu size:%lu\n",
+	pr_notice("mmap() framebuffer addr:%lu size:%lu\n",
 		  pos, size);
 
 	while (size > 0) {
@@ -595,18 +595,6 @@ error:
 	return 0;
 }
 
-static ssize_t dlfb_ops_read(struct fb_info *info, char __user *buf,
-			 size_t count, loff_t *ppos)
-{
-	ssize_t result = -ENOSYS;
-
-#if defined CONFIG_FB_SYS_FOPS || defined CONFIG_FB_SYS_FOPS_MODULE
-	result = fb_sys_read(info, buf, count, ppos);
-#endif
-
-	return result;
-}
-
 /*
  * Path triggered by usermode clients who write to filesystem
  * e.g. cat filename > /dev/fb1
@@ -616,12 +604,10 @@ static ssize_t dlfb_ops_read(struct fb_info *info, char __user *buf,
 static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf,
 			  size_t count, loff_t *ppos)
 {
-	ssize_t result = -ENOSYS;
+	ssize_t result;
 	struct dlfb_data *dev = info->par;
 	u32 offset = (u32) *ppos;
 
-#if defined CONFIG_FB_SYS_FOPS || defined CONFIG_FB_SYS_FOPS_MODULE
-
 	result = fb_sys_write(info, buf, count, ppos);
 
 	if (result > 0) {
@@ -632,7 +618,6 @@ static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf,
 		dlfb_handle_damage(dev, 0, start, info->var.xres,
 			lines, info->screen_base);
 	}
-#endif
 
 	return result;
 }
@@ -644,14 +629,10 @@ static void dlfb_ops_copyarea(struct fb_info *info,
 
 	struct dlfb_data *dev = info->par;
 
-#if defined CONFIG_FB_SYS_COPYAREA || defined CONFIG_FB_SYS_COPYAREA_MODULE
-
 	sys_copyarea(info, area);
 
 	dlfb_handle_damage(dev, area->dx, area->dy,
 			area->width, area->height, info->screen_base);
-#endif
-
 }
 
 static void dlfb_ops_imageblit(struct fb_info *info,
@@ -659,15 +640,10 @@ static void dlfb_ops_imageblit(struct fb_info *info,
 {
 	struct dlfb_data *dev = info->par;
 
-#if defined CONFIG_FB_SYS_IMAGEBLIT || defined CONFIG_FB_SYS_IMAGEBLIT_MODULE
-
 	sys_imageblit(info, image);
 
 	dlfb_handle_damage(dev, image->dx, image->dy,
 			image->width, image->height, info->screen_base);
-
-#endif
-
 }
 
 static void dlfb_ops_fillrect(struct fb_info *info,
@@ -675,17 +651,12 @@ static void dlfb_ops_fillrect(struct fb_info *info,
 {
 	struct dlfb_data *dev = info->par;
 
-#if defined CONFIG_FB_SYS_FILLRECT || defined CONFIG_FB_SYS_FILLRECT_MODULE
-
 	sys_fillrect(info, rect);
 
 	dlfb_handle_damage(dev, rect->dx, rect->dy, rect->width,
 			      rect->height, info->screen_base);
-#endif
-
 }
 
-#ifdef CONFIG_FB_DEFERRED_IO
 /*
  * NOTE: fb_defio.c is holding info->fbdefio.mutex
  *   Touching ANY framebuffer memory that triggers a page fault
@@ -747,8 +718,6 @@ error:
 		   &dev->cpu_kcycles_used);
 }
 
-#endif
-
 static int dlfb_get_edid(struct dlfb_data *dev, char *edid, int len)
 {
 	int i;
@@ -765,7 +734,7 @@ static int dlfb_get_edid(struct dlfb_data *dev, char *edid, int len)
 				    (0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
 				    HZ);
 		if (ret < 1) {
-			dl_err("Read EDID byte %d failed err %x\n", i, ret);
+			pr_err("Read EDID byte %d failed err %x\n", i, ret);
 			i--;
 			break;
 		}
@@ -881,7 +850,6 @@ static int dlfb_ops_open(struct fb_info *info, int user)
 
 	kref_get(&dev->kref);
 
-#ifdef CONFIG_FB_DEFERRED_IO
 	if (fb_defio && (info->fbdefio == NULL)) {
 		/* enable defio at last moment if not disabled by client */
 
@@ -897,9 +865,8 @@ static int dlfb_ops_open(struct fb_info *info, int user)
 		info->fbdefio = fbdefio;
 		fb_deferred_io_init(info);
 	}
-#endif
 
-	dl_notice("open /dev/fb%d user=%d fb_info=%p count=%d\n",
+	pr_notice("open /dev/fb%d user=%d fb_info=%p count=%d\n",
 	    info->node, user, info, dev->fb_count);
 
 	return 0;
@@ -923,7 +890,7 @@ static void dlfb_free(struct kref *kref)
 
 	kfree(dev->edid);
 
-	dl_warn("freeing dlfb_data %p\n", dev);
+	pr_warn("freeing dlfb_data %p\n", dev);
 
 	kfree(dev);
 }
@@ -959,7 +926,7 @@ static void dlfb_free_framebuffer_work(struct work_struct *work)
 	/* Assume info structure is freed after this point */
 	framebuffer_release(info);
 
-	dl_warn("fb_info for /dev/fb%d has been freed\n", node);
+	pr_warn("fb_info for /dev/fb%d has been freed\n", node);
 
 	/* ref taken in probe() as part of registering framebfufer */
 	kref_put(&dev->kref, dlfb_free);
@@ -978,16 +945,14 @@ static int dlfb_ops_release(struct fb_info *info, int user)
 	if (dev->virtualized && (dev->fb_count == 0))
 		schedule_delayed_work(&dev->free_framebuffer_work, HZ);
 
-#ifdef CONFIG_FB_DEFERRED_IO
 	if ((dev->fb_count == 0) && (info->fbdefio)) {
 		fb_deferred_io_cleanup(info);
 		kfree(info->fbdefio);
 		info->fbdefio = NULL;
 		info->fbops->fb_mmap = dlfb_ops_mmap;
 	}
-#endif
 
-	dl_warn("released /dev/fb%d user=%d count=%d\n",
+	pr_warn("released /dev/fb%d user=%d count=%d\n",
 		  info->node, user, dev->fb_count);
 
 	kref_put(&dev->kref, dlfb_free);
@@ -1005,12 +970,12 @@ static int dlfb_is_valid_mode(struct fb_videomode *mode,
 	struct dlfb_data *dev = info->par;
 
 	if (mode->xres * mode->yres > dev->sku_pixel_limit) {
-		dl_warn("%dx%d beyond chip capabilities\n",
+		pr_warn("%dx%d beyond chip capabilities\n",
 		       mode->xres, mode->yres);
 		return 0;
 	}
 
-	dl_info("%dx%d valid mode\n", mode->xres, mode->yres);
+	pr_info("%dx%d valid mode\n", mode->xres, mode->yres);
 
 	return 1;
 }
@@ -1054,7 +1019,7 @@ static int dlfb_ops_set_par(struct fb_info *info)
 	u16 *pix_framebuffer;
 	int i;
 
-	dl_notice("set_par mode %dx%d\n", info->var.xres, info->var.yres);
+	pr_notice("set_par mode %dx%d\n", info->var.xres, info->var.yres);
 
 	result = dlfb_set_video_mode(dev, &info->var);
 
@@ -1104,7 +1069,7 @@ static int dlfb_ops_blank(int blank_mode, struct fb_info *info)
 
 static struct fb_ops dlfb_ops = {
 	.owner = THIS_MODULE,
-	.fb_read = dlfb_ops_read,
+	.fb_read = fb_sys_read,
 	.fb_write = dlfb_ops_write,
 	.fb_setcolreg = dlfb_ops_setcolreg,
 	.fb_fillrect = dlfb_ops_fillrect,
@@ -1133,7 +1098,7 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dev, struct fb_info *info)
 	unsigned char *new_fb;
 	unsigned char *new_back;
 
-	dl_warn("Reallocating framebuffer. Addresses will change!\n");
+	pr_warn("Reallocating framebuffer. Addresses will change!\n");
 
 	new_len = info->fix.line_length * info->var.yres;
 
@@ -1143,7 +1108,7 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dev, struct fb_info *info)
 		 */
 		new_fb = vmalloc(new_len);
 		if (!new_fb) {
-			dl_err("Virtual framebuffer alloc failed\n");
+			pr_err("Virtual framebuffer alloc failed\n");
 			goto error;
 		}
 
@@ -1165,7 +1130,7 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dev, struct fb_info *info)
 		 */
 		new_back = vmalloc(new_len);
 		if (!new_back)
-			dl_info("No shadow/backing buffer allcoated\n");
+			pr_info("No shadow/backing buffer allcoated\n");
 		else {
 			if (dev->backing_buffer)
 				vfree(dev->backing_buffer);
@@ -1207,7 +1172,7 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
 	if (info->dev) /* only use mutex if info has been registered */
 		mutex_lock(&info->lock);
 
-	edid = kmalloc(MAX_EDID_SIZE, GFP_KERNEL);
+	edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
 	if (!edid) {
 		result = -ENOMEM;
 		goto error;
@@ -1223,9 +1188,9 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
 	 */
 	while (tries--) {
 
-		i = dlfb_get_edid(dev, edid, MAX_EDID_SIZE);
+		i = dlfb_get_edid(dev, edid, EDID_LENGTH);
 
-		if (i >= MIN_EDID_SIZE)
+		if (i >= EDID_LENGTH)
 			fb_edid_to_monspecs(edid, &info->monspecs);
 
 		if (info->monspecs.modedb_len > 0) {
@@ -1238,24 +1203,24 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
 	/* If that fails, use a previously returned EDID if available */
 	if (info->monspecs.modedb_len == 0) {
 
-		dl_err("Unable to get valid EDID from device/display\n");
+		pr_err("Unable to get valid EDID from device/display\n");
 
 		if (dev->edid) {
 			fb_edid_to_monspecs(dev->edid, &info->monspecs);
 			if (info->monspecs.modedb_len > 0)
-				dl_err("Using previously queried EDID\n");
+				pr_err("Using previously queried EDID\n");
 		}
 	}
 
 	/* If that fails, use the default EDID we were handed */
 	if (info->monspecs.modedb_len == 0) {
-		if (default_edid_size >= MIN_EDID_SIZE) {
+		if (default_edid_size >= EDID_LENGTH) {
 			fb_edid_to_monspecs(default_edid, &info->monspecs);
 			if (info->monspecs.modedb_len > 0) {
 				memcpy(edid, default_edid, default_edid_size);
 				dev->edid = edid;
 				dev->edid_size = default_edid_size;
-				dl_err("Using default/backup EDID\n");
+				pr_err("Using default/backup EDID\n");
 			}
 		}
 	}
@@ -1381,7 +1346,7 @@ static ssize_t edid_show(
 	if (off + count > dev->edid_size)
 		count = dev->edid_size - off;
 
-	dl_info("sysfs edid copy %p to %p, %d bytes\n",
+	pr_info("sysfs edid copy %p to %p, %d bytes\n",
 		dev->edid, buf, (int) count);
 
 	memcpy(buf, dev->edid, count);
@@ -1398,15 +1363,13 @@ static ssize_t edid_store(
 	struct dlfb_data *dev = fb_info->par;
 
 	/* We only support write of entire EDID at once, no offset*/
-	if ((src_size < MIN_EDID_SIZE) ||
-	    (src_size > MAX_EDID_SIZE) ||
-	    (src_off != 0))
+	if ((src_size != EDID_LENGTH) || (src_off != 0))
 		return 0;
 
 	dlfb_setup_modes(dev, fb_info, src, src_size);
 
 	if (dev->edid && (memcmp(src, dev->edid, src_size) == 0)) {
-		dl_info("sysfs written EDID is new default\n");
+		pr_info("sysfs written EDID is new default\n");
 		dlfb_ops_set_par(fb_info);
 		return src_size;
 	} else
@@ -1431,7 +1394,7 @@ static ssize_t metrics_reset_store(struct device *fbdev,
 static struct bin_attribute edid_attr = {
 	.attr.name = "edid",
 	.attr.mode = 0666,
-	.size = MAX_EDID_SIZE,
+	.size = EDID_LENGTH,
 	.read = edid_show,
 	.write = edid_store
 };
@@ -1479,7 +1442,7 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev,
 	total_len = usb_get_descriptor(usbdev, 0x5f, /* vendor specific */
 				    0, desc, MAX_VENDOR_DESCRIPTOR_SIZE);
 	if (total_len > 5) {
-		dl_info("vendor descriptor length:%x data:%02x %02x %02x %02x" \
+		pr_info("vendor descriptor length:%x data:%02x %02x %02x %02x" \
 			"%02x %02x %02x %02x %02x %02x %02x\n",
 			total_len, desc[0],
 			desc[1], desc[2], desc[3], desc[4], desc[5], desc[6],
@@ -1508,7 +1471,7 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev,
 			case 0x0200: { /* max_area */
 				u32 max_area;
 				max_area = le32_to_cpu(*((u32 *)desc));
-				dl_warn("DL chip limited to %d pixel modes\n",
+				pr_warn("DL chip limited to %d pixel modes\n",
 					max_area);
 				dev->sku_pixel_limit = max_area;
 				break;
@@ -1524,7 +1487,7 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev,
 
 unrecognized:
 	/* allow udlfb to load for now even if firmware unrecognized */
-	dl_err("Unrecognized vendor firmware descriptor\n");
+	pr_err("Unrecognized vendor firmware descriptor\n");
 
 success:
 	kfree(buf);
@@ -1557,24 +1520,24 @@ static int dlfb_usb_probe(struct usb_interface *interface,
 	dev->gdev = &usbdev->dev; /* our generic struct device * */
 	usb_set_intfdata(interface, dev);
 
-	dl_info("%s %s - serial #%s\n",
+	pr_info("%s %s - serial #%s\n",
 		usbdev->manufacturer, usbdev->product, usbdev->serial);
-	dl_info("vid_%04x&pid_%04x&rev_%04x driver's dlfb_data struct at %p\n",
+	pr_info("vid_%04x&pid_%04x&rev_%04x driver's dlfb_data struct at %p\n",
 		usbdev->descriptor.idVendor, usbdev->descriptor.idProduct,
 		usbdev->descriptor.bcdDevice, dev);
-	dl_info("console enable=%d\n", console);
-	dl_info("fb_defio enable=%d\n", fb_defio);
+	pr_info("console enable=%d\n", console);
+	pr_info("fb_defio enable=%d\n", fb_defio);
 
 	dev->sku_pixel_limit = 2048 * 1152; /* default to maximum */
 
 	if (!dlfb_parse_vendor_descriptor(dev, usbdev)) {
-		dl_err("firmware not recognized. Assume incompatible device\n");
+		pr_err("firmware not recognized. Assume incompatible device\n");
 		goto error;
 	}
 
 	if (!dlfb_alloc_urb_list(dev, WRITES_IN_FLIGHT, MAX_TRANSFER)) {
 		retval = -ENOMEM;
-		dl_err("dlfb_alloc_urb_list failed\n");
+		pr_err("dlfb_alloc_urb_list failed\n");
 		goto error;
 	}
 
@@ -1584,7 +1547,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
 	info = framebuffer_alloc(0, &usbdev->dev);
 	if (!info) {
 		retval = -ENOMEM;
-		dl_err("framebuffer_alloc failed\n");
+		pr_err("framebuffer_alloc failed\n");
 		goto error;
 	}
 
@@ -1595,7 +1558,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
 
 	retval = fb_alloc_cmap(&info->cmap, 256, 0);
 	if (retval < 0) {
-		dl_err("fb_alloc_cmap failed %x\n", retval);
+		pr_err("fb_alloc_cmap failed %x\n", retval);
 		goto error;
 	}
 
@@ -1606,7 +1569,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
 
 	retval = dlfb_setup_modes(dev, info, NULL, 0);
 	if (retval != 0) {
-		dl_err("unable to find common mode for display and adapter\n");
+		pr_err("unable to find common mode for display and adapter\n");
 		goto error;
 	}
 
@@ -1620,7 +1583,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
 
 	retval = register_framebuffer(info);
 	if (retval < 0) {
-		dl_err("register_framebuffer failed %d\n", retval);
+		pr_err("register_framebuffer failed %d\n", retval);
 		goto error;
 	}
 
@@ -1629,7 +1592,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
 
 	device_create_bin_file(info->dev, &edid_attr);
 
-	dl_info("DisplayLink USB device /dev/fb%d attached. %dx%d resolution."
+	pr_info("DisplayLink USB device /dev/fb%d attached. %dx%d resolution."
 			" Using %dK framebuffer memory\n", info->node,
 			info->var.xres, info->var.yres,
 			((dev->backing_buffer) ?
@@ -1673,7 +1636,7 @@ static void dlfb_usb_disconnect(struct usb_interface *interface)
 	dev = usb_get_intfdata(interface);
 	info = dev->info;
 
-	dl_info("USB disconnect starting\n");
+	pr_info("USB disconnect starting\n");
 
 	/* we virtualize until all fb clients release. Then we free */
 	dev->virtualized = true;
@@ -1737,7 +1700,7 @@ static void dlfb_urb_completion(struct urb *urb)
 		if (!(urb->status == -ENOENT ||
 		    urb->status == -ECONNRESET ||
 		    urb->status == -ESHUTDOWN)) {
-			dl_err("%s - nonzero write bulk status received: %d\n",
+			pr_err("%s - nonzero write bulk status received: %d\n",
 				__func__, urb->status);
 			atomic_set(&dev->lost_pixels, 1);
 		}
@@ -1769,7 +1732,7 @@ static void dlfb_free_urb_list(struct dlfb_data *dev)
 	int ret;
 	unsigned long flags;
 
-	dl_notice("Waiting for completes and freeing all render urbs\n");
+	pr_notice("Waiting for completes and freeing all render urbs\n");
 
 	/* keep waiting and freeing, until we've got 'em all */
 	while (count--) {
@@ -1848,7 +1811,7 @@ static int dlfb_alloc_urb_list(struct dlfb_data *dev, int count, size_t size)
 	dev->urbs.count = i;
 	dev->urbs.available = i;
 
-	dl_notice("allocated %d %d byte urbs\n", i, (int) size);
+	pr_notice("allocated %d %d byte urbs\n", i, (int) size);
 
 	return i;
 }
@@ -1865,7 +1828,7 @@ static struct urb *dlfb_get_urb(struct dlfb_data *dev)
 	ret = down_timeout(&dev->urbs.limit_sem, GET_URB_TIMEOUT);
 	if (ret) {
 		atomic_set(&dev->lost_pixels, 1);
-		dl_warn("wait for urb interrupted: %x available: %d\n",
+		pr_warn("wait for urb interrupted: %x available: %d\n",
 		       ret, dev->urbs.available);
 		goto error;
 	}
@@ -1897,7 +1860,7 @@ static int dlfb_submit_urb(struct dlfb_data *dev, struct urb *urb, size_t len)
 	if (ret) {
 		dlfb_urb_completion(urb); /* because no one else will */
 		atomic_set(&dev->lost_pixels, 1);
-		dl_err("usb_submit_urb error %x\n", ret);
+		pr_err("usb_submit_urb error %x\n", ret);
 	}
 	return ret;
 }

drivers/video/via/via-core.c

@@ -15,6 +15,9 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/list.h>
+#include <linux/pm.h>
+#include <asm/olpc.h>
 
 /*
  * The default port config.
@@ -28,6 +31,19 @@ static struct via_port_cfg adap_configs[] = {
 	{ 0, 0, 0, 0 }
 };
 
+/*
+ * The OLPC XO-1.5 puts the camera power and reset lines onto
+ * GPIO 2C.
+ */
+static const struct via_port_cfg olpc_adap_configs[] = {
+	[VIA_PORT_26]	= { VIA_PORT_I2C,  VIA_MODE_I2C, VIASR, 0x26 },
+	[VIA_PORT_31]	= { VIA_PORT_I2C,  VIA_MODE_I2C, VIASR, 0x31 },
+	[VIA_PORT_25]	= { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x25 },
+	[VIA_PORT_2C]	= { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x2c },
+	[VIA_PORT_3D]	= { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x3d },
+	{ 0, 0, 0, 0 }
+};
+
 /*
  * We currently only support one viafb device (will there ever be
  * more than one?), so just declare it globally here.
@@ -575,6 +591,78 @@ static void via_teardown_subdevs(void)
 		}
 }
 
+/*
+ * Power management functions
+ */
+#ifdef CONFIG_PM
+static LIST_HEAD(viafb_pm_hooks);
+static DEFINE_MUTEX(viafb_pm_hooks_lock);
+
+void viafb_pm_register(struct viafb_pm_hooks *hooks)
+{
+	INIT_LIST_HEAD(&hooks->list);
+
+	mutex_lock(&viafb_pm_hooks_lock);
+	list_add_tail(&hooks->list, &viafb_pm_hooks);
+	mutex_unlock(&viafb_pm_hooks_lock);
+}
+EXPORT_SYMBOL_GPL(viafb_pm_register);
+
+void viafb_pm_unregister(struct viafb_pm_hooks *hooks)
+{
+	mutex_lock(&viafb_pm_hooks_lock);
+	list_del(&hooks->list);
+	mutex_unlock(&viafb_pm_hooks_lock);
+}
+EXPORT_SYMBOL_GPL(viafb_pm_unregister);
+
+static int via_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	struct viafb_pm_hooks *hooks;
+
+	if (state.event != PM_EVENT_SUSPEND)
+		return 0;
+	/*
+	 * "I've occasionally hit a few drivers that caused suspend
+	 * failures, and each and every time it was a driver bug, and
+	 * the right thing to do was to just ignore the error and suspend
+	 * anyway - returning an error code and trying to undo the suspend
+	 * is not what anybody ever really wants, even if our model
+	 *_allows_ for it."
+	 * -- Linus Torvalds, Dec. 7, 2009
+	 */
+	mutex_lock(&viafb_pm_hooks_lock);
+	list_for_each_entry_reverse(hooks, &viafb_pm_hooks, list)
+		hooks->suspend(hooks->private);
+	mutex_unlock(&viafb_pm_hooks_lock);
+
+	pci_save_state(pdev);
+	pci_disable_device(pdev);
+	pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	return 0;
+}
+
+static int via_resume(struct pci_dev *pdev)
+{
+	struct viafb_pm_hooks *hooks;
+
+	/* Get the bus side powered up */
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+	if (pci_enable_device(pdev))
+		return 0;
+
+	pci_set_master(pdev);
+
+	/* Now bring back any subdevs */
+	mutex_lock(&viafb_pm_hooks_lock);
+	list_for_each_entry(hooks, &viafb_pm_hooks, list)
+		hooks->resume(hooks->private);
+	mutex_unlock(&viafb_pm_hooks_lock);
+
+	return 0;
+}
+#endif /* CONFIG_PM */
 
 static int __devinit via_pci_probe(struct pci_dev *pdev,
 		const struct pci_device_id *ent)
@@ -584,6 +672,7 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 	ret = pci_enable_device(pdev);
 	if (ret)
 		return ret;
+
 	/*
 	 * Global device initialization.
 	 */
@@ -591,6 +680,9 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 	global_dev.pdev = pdev;
 	global_dev.chip_type = ent->driver_data;
 	global_dev.port_cfg = adap_configs;
+	if (machine_is_olpc())
+		global_dev.port_cfg = olpc_adap_configs;
+
 	spin_lock_init(&global_dev.reg_lock);
 	ret = via_pci_setup_mmio(&global_dev);
 	if (ret)
@@ -663,8 +755,8 @@ static struct pci_driver via_driver = {
 	.probe		= via_pci_probe,
 	.remove		= __devexit_p(via_pci_remove),
 #ifdef CONFIG_PM
-	.suspend	= viafb_suspend,
-	.resume		= viafb_resume,
+	.suspend	= via_suspend,
+	.resume		= via_resume,
 #endif
 };
 

drivers/video/via/via-gpio.c

@@ -172,6 +172,28 @@ static void viafb_gpio_disable(struct viafb_gpio *gpio)
 	via_write_reg_mask(VIASR, gpio->vg_port_index, 0, 0x02);
 }
 
+#ifdef CONFIG_PM
+
+static int viafb_gpio_suspend(void *private)
+{
+	return 0;
+}
+
+static int viafb_gpio_resume(void *private)
+{
+	int i;
+
+	for (i = 0; i < gpio_config.gpio_chip.ngpio; i += 2)
+		viafb_gpio_enable(gpio_config.active_gpios[i]);
+	return 0;
+}
+
+static struct viafb_pm_hooks viafb_gpio_pm_hooks = {
+	.suspend = viafb_gpio_suspend,
+	.resume = viafb_gpio_resume
+};
+#endif /* CONFIG_PM */
+
 /*
  * Look up a specific gpio and return the number it was assigned.
  */
@@ -236,6 +258,9 @@ static __devinit int viafb_gpio_probe(struct platform_device *platdev)
 		printk(KERN_ERR "viafb: failed to add gpios (%d)\n", ret);
 		gpio_config.gpio_chip.ngpio = 0;
 	}
+#ifdef CONFIG_PM
+	viafb_pm_register(&viafb_gpio_pm_hooks);
+#endif
 	return ret;
 }
 
@@ -245,6 +270,10 @@ static int viafb_gpio_remove(struct platform_device *platdev)
 	unsigned long flags;
 	int ret = 0, i;
 
+#ifdef CONFIG_PM
+	viafb_pm_unregister(&viafb_gpio_pm_hooks);
+#endif
+
 	/*
 	 * Get unregistered.
 	 */

drivers/video/via/viafbdev.c

@@ -1672,31 +1672,19 @@ static int parse_mode(const char *str, u32 *xres, u32 *yres)
 
 
 #ifdef CONFIG_PM
-int viafb_suspend(struct pci_dev *pdev, pm_message_t state)
+static int viafb_suspend(void *unused)
 {
-	if (state.event == PM_EVENT_SUSPEND) {
-		acquire_console_sem();
-		fb_set_suspend(viafbinfo, 1);
-
-		viafb_sync(viafbinfo);
-
-		pci_save_state(pdev);
-		pci_disable_device(pdev);
-		pci_set_power_state(pdev, pci_choose_state(pdev, state));
-		release_console_sem();
-	}
+	acquire_console_sem();
+	fb_set_suspend(viafbinfo, 1);
+	viafb_sync(viafbinfo);
+	release_console_sem();
 
 	return 0;
 }
 
-int viafb_resume(struct pci_dev *pdev)
+static int viafb_resume(void *unused)
 {
 	acquire_console_sem();
-	pci_set_power_state(pdev, PCI_D0);
-	pci_restore_state(pdev);
-	if (pci_enable_device(pdev))
-		goto fail;
-	pci_set_master(pdev);
 	if (viaparinfo->shared->vdev->engine_mmio)
 		viafb_reset_engine(viaparinfo);
 	viafb_set_par(viafbinfo);
@@ -1704,11 +1692,15 @@ int viafb_resume(struct pci_dev *pdev)
 		viafb_set_par(viafbinfo1);
 	fb_set_suspend(viafbinfo, 0);
 
-fail:
 	release_console_sem();
 	return 0;
 }
 
+static struct viafb_pm_hooks viafb_fb_pm_hooks = {
+	.suspend = viafb_suspend,
+	.resume = viafb_resume
+};
+
 #endif
 
 
@@ -1899,6 +1891,10 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
 
 	viafb_init_proc(viaparinfo->shared);
 	viafb_init_dac(IGA2);
+
+#ifdef CONFIG_PM
+	viafb_pm_register(&viafb_fb_pm_hooks);
+#endif
 	return 0;
 
 out_fb_unreg:

drivers/video/via/viafbdev.h

@@ -108,6 +108,4 @@ void via_fb_pci_remove(struct pci_dev *pdev);
 /* Temporary */
 int viafb_init(void);
 void viafb_exit(void);
-int viafb_suspend(struct pci_dev *pdev, pm_message_t state);
-int viafb_resume(struct pci_dev *pdev);
 #endif /* __VIAFBDEV_H__ */

drivers/video/vt8500lcdfb.c

@@ -0,0 +1,447 @@
+/*
+ *  linux/drivers/video/vt8500lcdfb.c
+ *
+ *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
+ *
+ * Based on skeletonfb.c and pxafb.c
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/wait.h>
+
+#include <mach/vt8500fb.h>
+
+#include "vt8500lcdfb.h"
+#include "wmt_ge_rops.h"
+
+#define to_vt8500lcd_info(__info) container_of(__info, \
+						struct vt8500lcd_info, fb)
+
+static int vt8500lcd_set_par(struct fb_info *info)
+{
+	struct vt8500lcd_info *fbi = to_vt8500lcd_info(info);
+	int reg_bpp = 5; /* 16bpp */
+	int i;
+	unsigned long control0;
+
+	if (!fbi)
+		return -EINVAL;
+
+	if (info->var.bits_per_pixel <= 8) {
+		/* palettized */
+		info->var.red.offset    = 0;
+		info->var.red.length    = info->var.bits_per_pixel;
+		info->var.red.msb_right = 0;
+
+		info->var.green.offset  = 0;
+		info->var.green.length  = info->var.bits_per_pixel;
+		info->var.green.msb_right = 0;
+
+		info->var.blue.offset   = 0;
+		info->var.blue.length   = info->var.bits_per_pixel;
+		info->var.blue.msb_right = 0;
+
+		info->var.transp.offset = 0;
+		info->var.transp.length = 0;
+		info->var.transp.msb_right = 0;
+
+		info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+		info->fix.line_length = info->var.xres_virtual /
+						(8/info->var.bits_per_pixel);
+	} else {
+		/* non-palettized */
+		info->var.transp.offset = 0;
+		info->var.transp.length = 0;
+		info->var.transp.msb_right = 0;
+
+		if (info->var.bits_per_pixel == 16) {
+			/* RGB565 */
+			info->var.red.offset = 11;
+			info->var.red.length = 5;
+			info->var.red.msb_right = 0;
+			info->var.green.offset = 5;
+			info->var.green.length = 6;
+			info->var.green.msb_right = 0;
+			info->var.blue.offset = 0;
+			info->var.blue.length = 5;
+			info->var.blue.msb_right = 0;
+		} else {
+			/* Equal depths per channel */
+			info->var.red.offset = info->var.bits_per_pixel
+							* 2 / 3;
+			info->var.red.length = info->var.bits_per_pixel / 3;
+			info->var.red.msb_right = 0;
+			info->var.green.offset = info->var.bits_per_pixel / 3;
+			info->var.green.length = info->var.bits_per_pixel / 3;
+			info->var.green.msb_right = 0;
+			info->var.blue.offset = 0;
+			info->var.blue.length = info->var.bits_per_pixel / 3;
+			info->var.blue.msb_right = 0;
+		}
+
+		info->fix.visual = FB_VISUAL_TRUECOLOR;
+		info->fix.line_length = info->var.bits_per_pixel > 16 ?
+					info->var.xres_virtual << 2 :
+					info->var.xres_virtual << 1;
+	}
+
+	for (i = 0; i < 8; i++) {
+		if (bpp_values[i] == info->var.bits_per_pixel) {
+			reg_bpp = i;
+			continue;
+		}
+	}
+
+	control0 = readl(fbi->regbase) & ~0xf;
+	writel(0, fbi->regbase);
+	while (readl(fbi->regbase + 0x38) & 0x10)
+		/* wait */;
+	writel((((info->var.hsync_len - 1) & 0x3f) << 26)
+		| ((info->var.left_margin & 0xff) << 18)
+		| (((info->var.xres - 1) & 0x3ff) << 8)
+		| (info->var.right_margin & 0xff), fbi->regbase + 0x4);
+	writel((((info->var.vsync_len - 1) & 0x3f) << 26)
+		| ((info->var.upper_margin & 0xff) << 18)
+		| (((info->var.yres - 1) & 0x3ff) << 8)
+		| (info->var.lower_margin & 0xff), fbi->regbase + 0x8);
+	writel((((info->var.yres - 1) & 0x400) << 2)
+		| ((info->var.xres - 1) & 0x400), fbi->regbase + 0x10);
+	writel(0x80000000, fbi->regbase + 0x20);
+	writel(control0 | (reg_bpp << 1) | 0x100, fbi->regbase);
+
+	return 0;
+}
+
+static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf)
+{
+	chan &= 0xffff;
+	chan >>= 16 - bf->length;
+	return chan << bf->offset;
+}
+
+static int vt8500lcd_setcolreg(unsigned regno, unsigned red, unsigned green,
+			   unsigned blue, unsigned transp,
+			   struct fb_info *info) {
+	struct vt8500lcd_info *fbi = to_vt8500lcd_info(info);
+	int ret = 1;
+	unsigned int val;
+	if (regno >= 256)
+		return -EINVAL;
+
+	if (info->var.grayscale)
+		red = green = blue =
+			(19595 * red + 38470 * green + 7471 * blue) >> 16;
+
+	switch (fbi->fb.fix.visual) {
+	case FB_VISUAL_TRUECOLOR:
+		if (regno < 16) {
+			u32 *pal = fbi->fb.pseudo_palette;
+
+			val  = chan_to_field(red, &fbi->fb.var.red);
+			val |= chan_to_field(green, &fbi->fb.var.green);
+			val |= chan_to_field(blue, &fbi->fb.var.blue);
+
+			pal[regno] = val;
+			ret = 0;
+		}
+		break;
+
+	case FB_VISUAL_STATIC_PSEUDOCOLOR:
+	case FB_VISUAL_PSEUDOCOLOR:
+		writew((red & 0xf800)
+		      | ((green >> 5) & 0x7e0)
+		      | ((blue >> 11) & 0x1f),
+		       fbi->palette_cpu + sizeof(u16) * regno);
+		break;
+	}
+
+	return ret;
+}
+
+static int vt8500lcd_ioctl(struct fb_info *info, unsigned int cmd,
+			 unsigned long arg)
+{
+	int ret = 0;
+	struct vt8500lcd_info *fbi = to_vt8500lcd_info(info);
+
+	if (cmd == FBIO_WAITFORVSYNC) {
+		/* Unmask End of Frame interrupt */
+		writel(0xffffffff ^ (1 << 3), fbi->regbase + 0x3c);
+		ret = wait_event_interruptible_timeout(fbi->wait,
+			readl(fbi->regbase + 0x38) & (1 << 3), HZ / 10);
+		/* Mask back to reduce unwanted interrupt traffic */
+		writel(0xffffffff, fbi->regbase + 0x3c);
+		if (ret < 0)
+			return ret;
+		if (ret == 0)
+			return -ETIMEDOUT;
+	}
+
+	return ret;
+}
+
+static int vt8500lcd_pan_display(struct fb_var_screeninfo *var,
+				struct fb_info *info)
+{
+	unsigned pixlen = info->fix.line_length / info->var.xres_virtual;
+	unsigned off = pixlen * var->xoffset
+		      + info->fix.line_length * var->yoffset;
+	struct vt8500lcd_info *fbi = to_vt8500lcd_info(info);
+
+	writel((1 << 31)
+		| (((var->xres_virtual - var->xres) * pixlen / 4) << 20)
+		| (off >> 2), fbi->regbase + 0x20);
+	return 0;
+}
+
+static struct fb_ops vt8500lcd_ops = {
+	.owner		= THIS_MODULE,
+	.fb_set_par	= vt8500lcd_set_par,
+	.fb_setcolreg	= vt8500lcd_setcolreg,
+	.fb_fillrect	= wmt_ge_fillrect,
+	.fb_copyarea	= wmt_ge_copyarea,
+	.fb_imageblit	= sys_imageblit,
+	.fb_sync	= wmt_ge_sync,
+	.fb_ioctl	= vt8500lcd_ioctl,
+	.fb_pan_display	= vt8500lcd_pan_display,
+};
+
+static irqreturn_t vt8500lcd_handle_irq(int irq, void *dev_id)
+{
+	struct vt8500lcd_info *fbi = dev_id;
+
+	if (readl(fbi->regbase + 0x38) & (1 << 3))
+		wake_up_interruptible(&fbi->wait);
+
+	writel(0xffffffff, fbi->regbase + 0x38);
+	return IRQ_HANDLED;
+}
+
+static int __devinit vt8500lcd_probe(struct platform_device *pdev)
+{
+	struct vt8500lcd_info *fbi;
+	struct resource *res;
+	struct vt8500fb_platform_data *pdata = pdev->dev.platform_data;
+	void *addr;
+	int irq, ret;
+
+	ret = -ENOMEM;
+	fbi = NULL;
+
+	fbi = kzalloc(sizeof(struct vt8500lcd_info) + sizeof(u32) * 16,
+							GFP_KERNEL);
+	if (!fbi) {
+		dev_err(&pdev->dev, "Failed to initialize framebuffer device\n");
+		ret = -ENOMEM;
+		goto failed;
+	}
+
+	strcpy(fbi->fb.fix.id, "VT8500 LCD");
+
+	fbi->fb.fix.type	= FB_TYPE_PACKED_PIXELS;
+	fbi->fb.fix.xpanstep	= 0;
+	fbi->fb.fix.ypanstep	= 1;
+	fbi->fb.fix.ywrapstep	= 0;
+	fbi->fb.fix.accel	= FB_ACCEL_NONE;
+
+	fbi->fb.var.nonstd	= 0;
+	fbi->fb.var.activate	= FB_ACTIVATE_NOW;
+	fbi->fb.var.height	= -1;
+	fbi->fb.var.width	= -1;
+	fbi->fb.var.vmode	= FB_VMODE_NONINTERLACED;
+
+	fbi->fb.fbops		= &vt8500lcd_ops;
+	fbi->fb.flags		= FBINFO_DEFAULT
+				| FBINFO_HWACCEL_COPYAREA
+				| FBINFO_HWACCEL_FILLRECT
+				| FBINFO_HWACCEL_YPAN
+				| FBINFO_VIRTFB
+				| FBINFO_PARTIAL_PAN_OK;
+	fbi->fb.node		= -1;
+
+	addr = fbi;
+	addr = addr + sizeof(struct vt8500lcd_info);
+	fbi->fb.pseudo_palette	= addr;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "no I/O memory resource defined\n");
+		ret = -ENODEV;
+		goto failed_fbi;
+	}
+
+	res = request_mem_region(res->start, resource_size(res), "vt8500lcd");
+	if (res == NULL) {
+		dev_err(&pdev->dev, "failed to request I/O memory\n");
+		ret = -EBUSY;
+		goto failed_fbi;
+	}
+
+	fbi->regbase = ioremap(res->start, resource_size(res));
+	if (fbi->regbase == NULL) {
+		dev_err(&pdev->dev, "failed to map I/O memory\n");
+		ret = -EBUSY;
+		goto failed_free_res;
+	}
+
+	fbi->fb.fix.smem_start	= pdata->video_mem_phys;
+	fbi->fb.fix.smem_len	= pdata->video_mem_len;
+	fbi->fb.screen_base	= pdata->video_mem_virt;
+
+	fbi->palette_size	= PAGE_ALIGN(512);
+	fbi->palette_cpu	= dma_alloc_coherent(&pdev->dev,
+						     fbi->palette_size,
+						     &fbi->palette_phys,
+						     GFP_KERNEL);
+	if (fbi->palette_cpu == NULL) {
+		dev_err(&pdev->dev, "Failed to allocate palette buffer\n");
+		ret = -ENOMEM;
+		goto failed_free_io;
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "no IRQ defined\n");
+		ret = -ENODEV;
+		goto failed_free_palette;
+	}
+
+	ret = request_irq(irq, vt8500lcd_handle_irq, IRQF_DISABLED, "LCD", fbi);
+	if (ret) {
+		dev_err(&pdev->dev, "request_irq failed: %d\n", ret);
+		ret = -EBUSY;
+		goto failed_free_palette;
+	}
+
+	init_waitqueue_head(&fbi->wait);
+
+	if (fb_alloc_cmap(&fbi->fb.cmap, 256, 0) < 0) {
+		dev_err(&pdev->dev, "Failed to allocate color map\n");
+		ret = -ENOMEM;
+		goto failed_free_irq;
+	}
+
+	fb_videomode_to_var(&fbi->fb.var, &pdata->mode);
+	fbi->fb.var.bits_per_pixel	= pdata->bpp;
+	fbi->fb.var.xres_virtual	= pdata->xres_virtual;
+	fbi->fb.var.yres_virtual	= pdata->yres_virtual;
+
+	ret = vt8500lcd_set_par(&fbi->fb);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to set parameters\n");
+		goto failed_free_cmap;
+	}
+
+	writel(fbi->fb.fix.smem_start >> 22, fbi->regbase + 0x1c);
+	writel((fbi->palette_phys & 0xfffffe00) | 1, fbi->regbase + 0x18);
+
+	platform_set_drvdata(pdev, fbi);
+
+	ret = register_framebuffer(&fbi->fb);
+	if (ret < 0) {
+		dev_err(&pdev->dev,
+			"Failed to register framebuffer device: %d\n", ret);
+		goto failed_free_cmap;
+	}
+
+	/*
+	 * Ok, now enable the LCD controller
+	 */
+	writel(readl(fbi->regbase) | 1, fbi->regbase);
+
+	return 0;
+
+failed_free_cmap:
+	if (fbi->fb.cmap.len)
+		fb_dealloc_cmap(&fbi->fb.cmap);
+failed_free_irq:
+	free_irq(irq, fbi);
+failed_free_palette:
+	dma_free_coherent(&pdev->dev, fbi->palette_size,
+			  fbi->palette_cpu, fbi->palette_phys);
+failed_free_io:
+	iounmap(fbi->regbase);
+failed_free_res:
+	release_mem_region(res->start, resource_size(res));
+failed_fbi:
+	platform_set_drvdata(pdev, NULL);
+	kfree(fbi);
+failed:
+	return ret;
+}
+
+static int __devexit vt8500lcd_remove(struct platform_device *pdev)
+{
+	struct vt8500lcd_info *fbi = platform_get_drvdata(pdev);
+	struct resource *res;
+	int irq;
+
+	unregister_framebuffer(&fbi->fb);
+
+	writel(0, fbi->regbase);
+
+	if (fbi->fb.cmap.len)
+		fb_dealloc_cmap(&fbi->fb.cmap);
+
+	irq = platform_get_irq(pdev, 0);
+	free_irq(irq, fbi);
+
+	dma_free_coherent(&pdev->dev, fbi->palette_size,
+			  fbi->palette_cpu, fbi->palette_phys);
+
+	iounmap(fbi->regbase);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	release_mem_region(res->start, resource_size(res));
+
+	kfree(fbi);
+
+	return 0;
+}
+
+static struct platform_driver vt8500lcd_driver = {
+	.probe		= vt8500lcd_probe,
+	.remove		= __devexit_p(vt8500lcd_remove),
+	.driver		= {
+		.owner	= THIS_MODULE,
+		.name	= "vt8500-lcd",
+	},
+};
+
+static int __init vt8500lcd_init(void)
+{
+	return platform_driver_register(&vt8500lcd_driver);
+}
+
+static void __exit vt8500lcd_exit(void)
+{
+	platform_driver_unregister(&vt8500lcd_driver);
+}
+
+module_init(vt8500lcd_init);
+module_exit(vt8500lcd_exit);
+
+MODULE_AUTHOR("Alexey Charkov <alchark@gmail.com>");
+MODULE_DESCRIPTION("LCD controller driver for VIA VT8500");
+MODULE_LICENSE("GPL");

drivers/video/vt8500lcdfb.h

@@ -0,0 +1,34 @@
+/*
+ *  linux/drivers/video/vt8500lcdfb.h
+ *
+ *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+struct vt8500lcd_info {
+	struct fb_info		fb;
+	void __iomem		*regbase;
+	void __iomem		*palette_cpu;
+	dma_addr_t		palette_phys;
+	size_t			palette_size;
+	wait_queue_head_t	wait;
+};
+
+static int bpp_values[] = {
+	1,
+	2,
+	4,
+	8,
+	12,
+	16,
+	18,
+	24,
+};

drivers/video/wm8505fb.c

@@ -0,0 +1,422 @@
+/*
+ *  WonderMedia WM8505 Frame Buffer device driver
+ *
+ *  Copyright (C) 2010 Ed Spiridonov <edo.rus@gmail.com>
+ *    Based on vt8500lcdfb.c
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/wait.h>
+
+#include <mach/vt8500fb.h>
+
+#include "wm8505fb_regs.h"
+#include "wmt_ge_rops.h"
+
+#define DRIVER_NAME "wm8505-fb"
+
+#define to_wm8505fb_info(__info) container_of(__info, \
+						struct wm8505fb_info, fb)
+struct wm8505fb_info {
+	struct fb_info		fb;
+	void __iomem		*regbase;
+	unsigned int		contrast;
+};
+
+
+static int wm8505fb_init_hw(struct fb_info *info)
+{
+	struct wm8505fb_info *fbi = to_wm8505fb_info(info);
+
+	int i;
+
+	/* I know the purpose only of few registers, so clear unknown */
+	for (i = 0; i < 0x200; i += 4)
+		writel(0, fbi->regbase + i);
+
+	/* Set frame buffer address */
+	writel(fbi->fb.fix.smem_start, fbi->regbase + WMT_GOVR_FBADDR);
+	writel(fbi->fb.fix.smem_start, fbi->regbase + WMT_GOVR_FBADDR1);
+
+	/* Set in-memory picture format to RGB 32bpp */
+	writel(0x1c,		       fbi->regbase + WMT_GOVR_COLORSPACE);
+	writel(1,		       fbi->regbase + WMT_GOVR_COLORSPACE1);
+
+	/* Virtual buffer size */
+	writel(info->var.xres,	       fbi->regbase + WMT_GOVR_XRES);
+	writel(info->var.xres_virtual, fbi->regbase + WMT_GOVR_XRES_VIRTUAL);
+
+	/* black magic ;) */
+	writel(0xf,		       fbi->regbase + WMT_GOVR_FHI);
+	writel(4,		       fbi->regbase + WMT_GOVR_DVO_SET);
+	writel(1,		       fbi->regbase + WMT_GOVR_MIF_ENABLE);
+	writel(1,		       fbi->regbase + WMT_GOVR_REG_UPDATE);
+
+	return 0;
+}
+
+static int wm8505fb_set_timing(struct fb_info *info)
+{
+	struct wm8505fb_info *fbi = to_wm8505fb_info(info);
+
+	int h_start = info->var.left_margin;
+	int h_end = h_start + info->var.xres;
+	int h_all = h_end + info->var.right_margin;
+	int h_sync = info->var.hsync_len;
+
+	int v_start = info->var.upper_margin;
+	int v_end = v_start + info->var.yres;
+	int v_all = v_end + info->var.lower_margin;
+	int v_sync = info->var.vsync_len;
+
+	writel(0, fbi->regbase + WMT_GOVR_TG);
+
+	writel(h_start, fbi->regbase + WMT_GOVR_TIMING_H_START);
+	writel(h_end,   fbi->regbase + WMT_GOVR_TIMING_H_END);
+	writel(h_all,   fbi->regbase + WMT_GOVR_TIMING_H_ALL);
+	writel(h_sync,  fbi->regbase + WMT_GOVR_TIMING_H_SYNC);
+
+	writel(v_start, fbi->regbase + WMT_GOVR_TIMING_V_START);
+	writel(v_end,   fbi->regbase + WMT_GOVR_TIMING_V_END);
+	writel(v_all,   fbi->regbase + WMT_GOVR_TIMING_V_ALL);
+	writel(v_sync,  fbi->regbase + WMT_GOVR_TIMING_V_SYNC);
+
+	writel(1, fbi->regbase + WMT_GOVR_TG);
+
+	return 0;
+}
+
+
+static int wm8505fb_set_par(struct fb_info *info)
+{
+	struct wm8505fb_info *fbi = to_wm8505fb_info(info);
+
+	if (!fbi)
+		return -EINVAL;
+
+	if (info->var.bits_per_pixel == 32) {
+		info->var.red.offset = 16;
+		info->var.red.length = 8;
+		info->var.red.msb_right = 0;
+		info->var.green.offset = 8;
+		info->var.green.length = 8;
+		info->var.green.msb_right = 0;
+		info->var.blue.offset = 0;
+		info->var.blue.length = 8;
+		info->var.blue.msb_right = 0;
+		info->fix.visual = FB_VISUAL_TRUECOLOR;
+		info->fix.line_length = info->var.xres_virtual << 2;
+	}
+
+	wm8505fb_set_timing(info);
+
+	writel(fbi->contrast<<16 | fbi->contrast<<8 | fbi->contrast,
+		fbi->regbase + WMT_GOVR_CONTRAST);
+
+	return 0;
+}
+
+static ssize_t contrast_show(struct device *dev,
+			     struct device_attribute *attr, char *buf)
+{
+	struct fb_info *info = dev_get_drvdata(dev);
+	struct wm8505fb_info *fbi = to_wm8505fb_info(info);
+
+	return sprintf(buf, "%d\n", fbi->contrast);
+}
+
+static ssize_t contrast_store(struct device *dev,
+			      struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	struct fb_info *info = dev_get_drvdata(dev);
+	struct wm8505fb_info *fbi = to_wm8505fb_info(info);
+	unsigned long tmp;
+
+	if (strict_strtoul(buf, 10, &tmp) || (tmp > 0xff))
+		return -EINVAL;
+	fbi->contrast = tmp;
+
+	wm8505fb_set_par(info);
+
+	return count;
+}
+
+static DEVICE_ATTR(contrast, 0644, contrast_show, contrast_store);
+
+static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf)
+{
+	chan &= 0xffff;
+	chan >>= 16 - bf->length;
+	return chan << bf->offset;
+}
+
+static int wm8505fb_setcolreg(unsigned regno, unsigned red, unsigned green,
+			   unsigned blue, unsigned transp,
+			   struct fb_info *info) {
+	struct wm8505fb_info *fbi = to_wm8505fb_info(info);
+	int ret = 1;
+	unsigned int val;
+	if (regno >= 256)
+		return -EINVAL;
+
+	if (info->var.grayscale)
+		red = green = blue =
+			(19595 * red + 38470 * green + 7471 * blue) >> 16;
+
+	switch (fbi->fb.fix.visual) {
+	case FB_VISUAL_TRUECOLOR:
+		if (regno < 16) {
+			u32 *pal = info->pseudo_palette;
+
+			val  = chan_to_field(red, &fbi->fb.var.red);
+			val |= chan_to_field(green, &fbi->fb.var.green);
+			val |= chan_to_field(blue, &fbi->fb.var.blue);
+
+			pal[regno] = val;
+			ret = 0;
+		}
+		break;
+	}
+
+	return ret;
+}
+
+static int wm8505fb_pan_display(struct fb_var_screeninfo *var,
+				struct fb_info *info)
+{
+	struct wm8505fb_info *fbi = to_wm8505fb_info(info);
+
+	writel(var->xoffset, fbi->regbase + WMT_GOVR_XPAN);
+	writel(var->yoffset, fbi->regbase + WMT_GOVR_YPAN);
+	return 0;
+}
+
+static int wm8505fb_blank(int blank, struct fb_info *info)
+{
+	struct wm8505fb_info *fbi = to_wm8505fb_info(info);
+
+	switch (blank) {
+	case FB_BLANK_UNBLANK:
+		wm8505fb_set_timing(info);
+		break;
+	default:
+		writel(0,  fbi->regbase + WMT_GOVR_TIMING_V_SYNC);
+		break;
+	}
+
+	return 0;
+}
+
+static struct fb_ops wm8505fb_ops = {
+	.owner		= THIS_MODULE,
+	.fb_set_par	= wm8505fb_set_par,
+	.fb_setcolreg	= wm8505fb_setcolreg,
+	.fb_fillrect	= wmt_ge_fillrect,
+	.fb_copyarea	= wmt_ge_copyarea,
+	.fb_imageblit	= sys_imageblit,
+	.fb_sync	= wmt_ge_sync,
+	.fb_pan_display	= wm8505fb_pan_display,
+	.fb_blank	= wm8505fb_blank,
+};
+
+static int __devinit wm8505fb_probe(struct platform_device *pdev)
+{
+	struct wm8505fb_info	*fbi;
+	struct resource		*res;
+	void			*addr;
+	struct vt8500fb_platform_data *pdata;
+	int ret;
+
+	pdata = pdev->dev.platform_data;
+
+	ret = -ENOMEM;
+	fbi = NULL;
+
+	fbi = kzalloc(sizeof(struct wm8505fb_info) + sizeof(u32) * 16,
+							GFP_KERNEL);
+	if (!fbi) {
+		dev_err(&pdev->dev, "Failed to initialize framebuffer device\n");
+		ret = -ENOMEM;
+		goto failed;
+	}
+
+	strcpy(fbi->fb.fix.id, DRIVER_NAME);
+
+	fbi->fb.fix.type	= FB_TYPE_PACKED_PIXELS;
+	fbi->fb.fix.xpanstep	= 1;
+	fbi->fb.fix.ypanstep	= 1;
+	fbi->fb.fix.ywrapstep	= 0;
+	fbi->fb.fix.accel	= FB_ACCEL_NONE;
+
+	fbi->fb.fbops		= &wm8505fb_ops;
+	fbi->fb.flags		= FBINFO_DEFAULT
+				| FBINFO_HWACCEL_COPYAREA
+				| FBINFO_HWACCEL_FILLRECT
+				| FBINFO_HWACCEL_XPAN
+				| FBINFO_HWACCEL_YPAN
+				| FBINFO_VIRTFB
+				| FBINFO_PARTIAL_PAN_OK;
+	fbi->fb.node		= -1;
+
+	addr = fbi;
+	addr = addr + sizeof(struct wm8505fb_info);
+	fbi->fb.pseudo_palette	= addr;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "no I/O memory resource defined\n");
+		ret = -ENODEV;
+		goto failed_fbi;
+	}
+
+	res = request_mem_region(res->start, resource_size(res), DRIVER_NAME);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "failed to request I/O memory\n");
+		ret = -EBUSY;
+		goto failed_fbi;
+	}
+
+	fbi->regbase = ioremap(res->start, resource_size(res));
+	if (fbi->regbase == NULL) {
+		dev_err(&pdev->dev, "failed to map I/O memory\n");
+		ret = -EBUSY;
+		goto failed_free_res;
+	}
+
+	fb_videomode_to_var(&fbi->fb.var, &pdata->mode);
+
+	fbi->fb.var.nonstd		= 0;
+	fbi->fb.var.activate		= FB_ACTIVATE_NOW;
+
+	fbi->fb.var.height		= -1;
+	fbi->fb.var.width		= -1;
+	fbi->fb.var.xres_virtual	= pdata->xres_virtual;
+	fbi->fb.var.yres_virtual	= pdata->yres_virtual;
+	fbi->fb.var.bits_per_pixel	= pdata->bpp;
+
+	fbi->fb.fix.smem_start	= pdata->video_mem_phys;
+	fbi->fb.fix.smem_len	= pdata->video_mem_len;
+	fbi->fb.screen_base	= pdata->video_mem_virt;
+	fbi->fb.screen_size	= pdata->video_mem_len;
+
+	if (fb_alloc_cmap(&fbi->fb.cmap, 256, 0) < 0) {
+		dev_err(&pdev->dev, "Failed to allocate color map\n");
+		ret = -ENOMEM;
+		goto failed_free_io;
+	}
+
+	wm8505fb_init_hw(&fbi->fb);
+
+	fbi->contrast = 0x80;
+	ret = wm8505fb_set_par(&fbi->fb);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to set parameters\n");
+		goto failed_free_cmap;
+	}
+
+	platform_set_drvdata(pdev, fbi);
+
+	ret = register_framebuffer(&fbi->fb);
+	if (ret < 0) {
+		dev_err(&pdev->dev,
+			"Failed to register framebuffer device: %d\n", ret);
+		goto failed_free_cmap;
+	}
+
+	ret = device_create_file(&pdev->dev, &dev_attr_contrast);
+	if (ret < 0) {
+		printk(KERN_WARNING "fb%d: failed to register attributes (%d)\n",
+			fbi->fb.node, ret);
+	}
+
+	printk(KERN_INFO "fb%d: %s frame buffer at 0x%lx-0x%lx\n",
+	       fbi->fb.node, fbi->fb.fix.id, fbi->fb.fix.smem_start,
+	       fbi->fb.fix.smem_start + fbi->fb.fix.smem_len - 1);
+
+	return 0;
+
+failed_free_cmap:
+	if (fbi->fb.cmap.len)
+		fb_dealloc_cmap(&fbi->fb.cmap);
+failed_free_io:
+	iounmap(fbi->regbase);
+failed_free_res:
+	release_mem_region(res->start, resource_size(res));
+failed_fbi:
+	platform_set_drvdata(pdev, NULL);
+	kfree(fbi);
+failed:
+	return ret;
+}
+
+static int __devexit wm8505fb_remove(struct platform_device *pdev)
+{
+	struct wm8505fb_info *fbi = platform_get_drvdata(pdev);
+	struct resource *res;
+
+	device_remove_file(&pdev->dev, &dev_attr_contrast);
+
+	unregister_framebuffer(&fbi->fb);
+
+	writel(0, fbi->regbase);
+
+	if (fbi->fb.cmap.len)
+		fb_dealloc_cmap(&fbi->fb.cmap);
+
+	iounmap(fbi->regbase);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	release_mem_region(res->start, resource_size(res));
+
+	kfree(fbi);
+
+	return 0;
+}
+
+static struct platform_driver wm8505fb_driver = {
+	.probe		= wm8505fb_probe,
+	.remove		= __devexit_p(wm8505fb_remove),
+	.driver		= {
+		.owner	= THIS_MODULE,
+		.name	= DRIVER_NAME,
+	},
+};
+
+static int __init wm8505fb_init(void)
+{
+	return platform_driver_register(&wm8505fb_driver);
+}
+
+static void __exit wm8505fb_exit(void)
+{
+	platform_driver_unregister(&wm8505fb_driver);
+}
+
+module_init(wm8505fb_init);
+module_exit(wm8505fb_exit);
+
+MODULE_AUTHOR("Ed Spiridonov <edo.rus@gmail.com>");
+MODULE_DESCRIPTION("Framebuffer driver for WMT WM8505");
+MODULE_LICENSE("GPL");

drivers/video/wm8505fb_regs.h

@@ -0,0 +1,76 @@
+/*
+ *  GOVR registers list for WM8505 chips
+ *
+ *  Copyright (C) 2010 Ed Spiridonov <edo.rus@gmail.com>
+ *   Based on VIA/WonderMedia wm8510-govrh-reg.h
+ *   http://github.com/projectgus/kernel_wm8505/blob/wm8505_2.6.29/
+ *         drivers/video/wmt/register/wm8510/wm8510-govrh-reg.h
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _WM8505FB_REGS_H
+#define _WM8505FB_REGS_H
+
+/*
+ * Color space select register, default value 0x1c
+ *   BIT0 GOVRH_DVO_YUV2RGB_ENABLE
+ *   BIT1 GOVRH_VGA_YUV2RGB_ENABLE
+ *   BIT2 GOVRH_RGB_MODE
+ *   BIT3 GOVRH_DAC_CLKINV
+ *   BIT4 GOVRH_BLANK_ZERO
+ */
+#define WMT_GOVR_COLORSPACE	0x1e4
+/*
+ * Another colorspace select register, default value 1
+ *   BIT0 GOVRH_DVO_RGB
+ *   BIT1 GOVRH_DVO_YUV422
+ */
+#define WMT_GOVR_COLORSPACE1	 0x30
+
+#define WMT_GOVR_CONTRAST	0x1b8
+#define WMT_GOVR_BRGHTNESS	0x1bc /* incompatible with RGB? */
+
+/* Framubeffer address */
+#define WMT_GOVR_FBADDR		 0x90
+#define WMT_GOVR_FBADDR1	 0x94 /* UV offset in YUV mode */
+
+/* Offset of visible window */
+#define WMT_GOVR_XPAN		 0xa4
+#define WMT_GOVR_YPAN		 0xa0
+
+#define WMT_GOVR_XRES		 0x98
+#define WMT_GOVR_XRES_VIRTUAL	 0x9c
+
+#define WMT_GOVR_MIF_ENABLE	 0x80
+#define WMT_GOVR_FHI		 0xa8
+#define WMT_GOVR_REG_UPDATE	 0xe4
+
+/*
+ *   BIT0 GOVRH_DVO_OUTWIDTH
+ *   BIT1 GOVRH_DVO_SYNC_POLAR
+ *   BIT2 GOVRH_DVO_ENABLE
+ */
+#define WMT_GOVR_DVO_SET	0x148
+
+/* Timing generator? */
+#define WMT_GOVR_TG		0x100
+
+/* Timings */
+#define WMT_GOVR_TIMING_H_ALL	0x108
+#define WMT_GOVR_TIMING_V_ALL	0x10c
+#define WMT_GOVR_TIMING_V_START	0x110
+#define WMT_GOVR_TIMING_V_END	0x114
+#define WMT_GOVR_TIMING_H_START	0x118
+#define WMT_GOVR_TIMING_H_END	0x11c
+#define WMT_GOVR_TIMING_V_SYNC	0x128
+#define WMT_GOVR_TIMING_H_SYNC	0x12c
+
+#endif /* _WM8505FB_REGS_H */

drivers/video/wmt_ge_rops.c

@@ -0,0 +1,186 @@
+/*
+ *  linux/drivers/video/wmt_ge_rops.c
+ *
+ *  Accelerators for raster operations using WonderMedia Graphics Engine
+ *
+ *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/fb.h>
+#include <linux/platform_device.h>
+#include "fb_draw.h"
+
+#define GE_COMMAND_OFF		0x00
+#define GE_DEPTH_OFF		0x04
+#define GE_HIGHCOLOR_OFF	0x08
+#define GE_ROPCODE_OFF		0x14
+#define GE_FIRE_OFF		0x18
+#define GE_SRCBASE_OFF		0x20
+#define GE_SRCDISPW_OFF		0x24
+#define GE_SRCDISPH_OFF		0x28
+#define GE_SRCAREAX_OFF		0x2c
+#define GE_SRCAREAY_OFF		0x30
+#define GE_SRCAREAW_OFF		0x34
+#define GE_SRCAREAH_OFF		0x38
+#define GE_DESTBASE_OFF		0x3c
+#define GE_DESTDISPW_OFF	0x40
+#define GE_DESTDISPH_OFF	0x44
+#define GE_DESTAREAX_OFF	0x48
+#define GE_DESTAREAY_OFF	0x4c
+#define GE_DESTAREAW_OFF	0x50
+#define GE_DESTAREAH_OFF	0x54
+#define GE_PAT0C_OFF		0x88	/* Pattern 0 color */
+#define GE_ENABLE_OFF		0xec
+#define GE_INTEN_OFF		0xf0
+#define GE_STATUS_OFF		0xf8
+
+static void __iomem *regbase;
+
+void wmt_ge_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
+{
+	unsigned long fg, pat;
+
+	if (p->state != FBINFO_STATE_RUNNING)
+		return;
+
+	if (p->fix.visual == FB_VISUAL_TRUECOLOR ||
+	    p->fix.visual == FB_VISUAL_DIRECTCOLOR)
+		fg = ((u32 *) (p->pseudo_palette))[rect->color];
+	else
+		fg = rect->color;
+
+	pat = pixel_to_pat(p->var.bits_per_pixel, fg);
+
+	if (p->fbops->fb_sync)
+		p->fbops->fb_sync(p);
+
+	writel(p->var.bits_per_pixel == 32 ? 3 :
+	      (p->var.bits_per_pixel == 8 ? 0 : 1), regbase + GE_DEPTH_OFF);
+	writel(p->var.bits_per_pixel == 15 ? 1 : 0, regbase + GE_HIGHCOLOR_OFF);
+	writel(p->fix.smem_start, regbase + GE_DESTBASE_OFF);
+	writel(p->var.xres_virtual - 1, regbase + GE_DESTDISPW_OFF);
+	writel(p->var.yres_virtual - 1, regbase + GE_DESTDISPH_OFF);
+	writel(rect->dx, regbase + GE_DESTAREAX_OFF);
+	writel(rect->dy, regbase + GE_DESTAREAY_OFF);
+	writel(rect->width - 1, regbase + GE_DESTAREAW_OFF);
+	writel(rect->height - 1, regbase + GE_DESTAREAH_OFF);
+
+	writel(pat, regbase + GE_PAT0C_OFF);
+	writel(1, regbase + GE_COMMAND_OFF);
+	writel(rect->rop == ROP_XOR ? 0x5a : 0xf0, regbase + GE_ROPCODE_OFF);
+	writel(1, regbase + GE_FIRE_OFF);
+}
+EXPORT_SYMBOL_GPL(wmt_ge_fillrect);
+
+void wmt_ge_copyarea(struct fb_info *p, const struct fb_copyarea *area)
+{
+	if (p->state != FBINFO_STATE_RUNNING)
+		return;
+
+	if (p->fbops->fb_sync)
+		p->fbops->fb_sync(p);
+
+	writel(p->var.bits_per_pixel > 16 ? 3 :
+	      (p->var.bits_per_pixel > 8 ? 1 : 0), regbase + GE_DEPTH_OFF);
+
+	writel(p->fix.smem_start, regbase + GE_SRCBASE_OFF);
+	writel(p->var.xres_virtual - 1, regbase + GE_SRCDISPW_OFF);
+	writel(p->var.yres_virtual - 1, regbase + GE_SRCDISPH_OFF);
+	writel(area->sx, regbase + GE_SRCAREAX_OFF);
+	writel(area->sy, regbase + GE_SRCAREAY_OFF);
+	writel(area->width - 1, regbase + GE_SRCAREAW_OFF);
+	writel(area->height - 1, regbase + GE_SRCAREAH_OFF);
+
+	writel(p->fix.smem_start, regbase + GE_DESTBASE_OFF);
+	writel(p->var.xres_virtual - 1, regbase + GE_DESTDISPW_OFF);
+	writel(p->var.yres_virtual - 1, regbase + GE_DESTDISPH_OFF);
+	writel(area->dx, regbase + GE_DESTAREAX_OFF);
+	writel(area->dy, regbase + GE_DESTAREAY_OFF);
+	writel(area->width - 1, regbase + GE_DESTAREAW_OFF);
+	writel(area->height - 1, regbase + GE_DESTAREAH_OFF);
+
+	writel(0xcc, regbase + GE_ROPCODE_OFF);
+	writel(1, regbase + GE_COMMAND_OFF);
+	writel(1, regbase + GE_FIRE_OFF);
+}
+EXPORT_SYMBOL_GPL(wmt_ge_copyarea);
+
+int wmt_ge_sync(struct fb_info *p)
+{
+	int loops = 5000000;
+	while ((readl(regbase + GE_STATUS_OFF) & 4) && --loops)
+		cpu_relax();
+	return loops > 0 ? 0 : -EBUSY;
+}
+EXPORT_SYMBOL_GPL(wmt_ge_sync);
+
+static int __devinit wmt_ge_rops_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "no I/O memory resource defined\n");
+		return -ENODEV;
+	}
+
+	/* Only one ROP engine is presently supported. */
+	if (unlikely(regbase)) {
+		WARN_ON(1);
+		return -EBUSY;
+	}
+
+	regbase = ioremap(res->start, resource_size(res));
+	if (regbase == NULL) {
+		dev_err(&pdev->dev, "failed to map I/O memory\n");
+		return -EBUSY;
+	}
+
+	writel(1, regbase + GE_ENABLE_OFF);
+	printk(KERN_INFO "Enabled support for WMT GE raster acceleration\n");
+
+	return 0;
+}
+
+static int __devexit wmt_ge_rops_remove(struct platform_device *pdev)
+{
+	iounmap(regbase);
+	return 0;
+}
+
+static struct platform_driver wmt_ge_rops_driver = {
+	.probe		= wmt_ge_rops_probe,
+	.remove		= __devexit_p(wmt_ge_rops_remove),
+	.driver		= {
+		.owner	= THIS_MODULE,
+		.name	= "wmt_ge_rops",
+	},
+};
+
+static int __init wmt_ge_rops_init(void)
+{
+	return platform_driver_register(&wmt_ge_rops_driver);
+}
+
+static void __exit wmt_ge_rops_exit(void)
+{
+	platform_driver_unregister(&wmt_ge_rops_driver);
+}
+
+module_init(wmt_ge_rops_init);
+module_exit(wmt_ge_rops_exit);
+
+MODULE_AUTHOR("Alexey Charkov <alchark@gmail.com");
+MODULE_DESCRIPTION("Accelerators for raster operations using "
+		   "WonderMedia Graphics Engine");
+MODULE_LICENSE("GPL");

drivers/video/wmt_ge_rops.h

@@ -0,0 +1,5 @@
+extern void wmt_ge_fillrect(struct fb_info *info,
+			    const struct fb_fillrect *rect);
+extern void wmt_ge_copyarea(struct fb_info *info,
+			    const struct fb_copyarea *area);
+extern int wmt_ge_sync(struct fb_info *info);

include/linux/fb.h

@@ -1092,6 +1092,8 @@ extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
 extern const unsigned char *fb_firmware_edid(struct device *device);
 extern void fb_edid_to_monspecs(unsigned char *edid,
 				struct fb_monspecs *specs);
+extern void fb_edid_add_monspecs(unsigned char *edid,
+				 struct fb_monspecs *specs);
 extern void fb_destroy_modedb(struct fb_videomode *modedb);
 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
@@ -1150,6 +1152,7 @@ struct fb_videomode {
 
 extern const char *fb_mode_option;
 extern const struct fb_videomode vesa_modes[];
+extern const struct fb_videomode cea_modes[64];
 
 struct fb_modelist {
 	struct list_head list;

include/linux/via-core.h

@@ -59,6 +59,21 @@ struct via_port_cfg {
 	u8			ioport_index;
 };
 
+/*
+ * Allow subdevs to register suspend/resume hooks.
+ */
+#ifdef CONFIG_PM
+struct viafb_pm_hooks {
+	struct list_head list;
+	int (*suspend)(void *private);
+	int (*resume)(void *private);
+	void *private;
+};
+
+void viafb_pm_register(struct viafb_pm_hooks *hooks);
+void viafb_pm_unregister(struct viafb_pm_hooks *hooks);
+#endif /* CONFIG_PM */
+
 /*
  * This is the global viafb "device" containing stuff needed by
  * all subdevs.

include/video/s1d13xxxfb.h

@@ -136,12 +136,6 @@
 #define S1DREG_DELAYOFF			0xFFFE
 #define S1DREG_DELAYON			0xFFFF
 
-#define BBLT_FIFO_EMPTY			0x00
-#define BBLT_FIFO_NOT_EMPTY		0x40
-#define BBLT_FIFO_NOT_FULL		0x30
-#define BBLT_FIFO_HALF_FULL		0x20
-#define BBLT_FIFO_FULL			0x10
-
 #define BBLT_SOLID_FILL			0x0c
 
 

include/video/sh_mipi_dsi.h

@@ -27,9 +27,15 @@ enum sh_mipi_dsi_data_fmt {
 
 struct sh_mobile_lcdc_chan_cfg;
 
+#define SH_MIPI_DSI_HSABM	(1 << 0)
+#define SH_MIPI_DSI_HSPBM	(1 << 1)
+
 struct sh_mipi_dsi_info {
 	enum sh_mipi_dsi_data_fmt	data_format;
 	struct sh_mobile_lcdc_chan_cfg	*lcd_chan;
+	unsigned long			flags;
+	u32				clksrc;
+	unsigned int			vsynw_offset;
 };
 
 #endif

include/video/sh_mobile_hdmi.h

@@ -13,6 +13,7 @@
 
 struct sh_mobile_lcdc_chan_cfg;
 struct device;
+struct clk;
 
 /*
  * flags format
@@ -33,6 +34,8 @@ struct sh_mobile_hdmi_info {
 	struct sh_mobile_lcdc_chan_cfg	*lcd_chan;
 	struct device			*lcd_dev;
 	unsigned int			 flags;
+	long (*clk_optimize_parent)(unsigned long target, unsigned long *best_freq,
+				    unsigned long *parent_freq);
 };
 
 #endif

drivers/staging/udlfb/udlfb.h → include/video/udlfb.h

@@ -65,9 +65,6 @@ struct dlfb_data {
 #define MAX_TRANSFER (PAGE_SIZE*16 - BULK_SIZE)
 #define WRITES_IN_FLIGHT (4)
 
-#define MIN_EDID_SIZE 128
-#define MAX_EDID_SIZE 128
-
 #define MAX_VENDOR_DESCRIPTOR_SIZE 256
 
 #define GET_URB_TIMEOUT	HZ
@@ -95,23 +92,4 @@ struct dlfb_data {
 #define DL_ALIGN_UP(x, a) ALIGN(x, a)
 #define DL_ALIGN_DOWN(x, a) ALIGN(x-(a-1), a)
 
-/* remove once this gets added to sysfs.h */
-#define __ATTR_RW(attr) __ATTR(attr, 0644, attr##_show, attr##_store)
-
-/*
- * udlfb is both a usb device, and a framebuffer device.
- * They may exist at the same time, but during various stages
- * inactivity, teardown, or "virtual" operation, only one or the
- * other will exist (one will outlive the other).  So we can't
- * call the dev_*() macros, because we don't have a stable dev object.
- */
-#define dl_err(format, arg...) \
-	pr_err("udlfb: " format, ## arg)
-#define dl_warn(format, arg...) \
-	pr_warning("udlfb: " format, ## arg)
-#define dl_notice(format, arg...) \
-	pr_notice("udlfb: " format, ## arg)
-#define dl_info(format, arg...) \
-	pr_info("udlfb: " format, ## arg)
-
 #endif