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@@ -2,6 +2,11 @@
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* BRIEF MODULE DESCRIPTION
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* Au1100 LCD Driver.
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*
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+ * Rewritten for 2.6 by Embedded Alley Solutions
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+ * <source@embeddedalley.com>, based on submissions by
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+ * Karl Lessard <klessard@sunrisetelecom.com>
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+ * <c.pellegrin@exadron.com>
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+ *
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* Copyright 2002 MontaVista Software
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* Author: MontaVista Software, Inc.
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* ppopov@mvista.com or source@mvista.com
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@@ -33,298 +38,253 @@
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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-
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+#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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-#include <linux/tty.h>
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-#include <linux/slab.h>
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-#include <linux/delay.h>
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#include <linux/fb.h>
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#include <linux/init.h>
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-#include <linux/pci.h>
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+#include <linux/interrupt.h>
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+#include <linux/ctype.h>
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+#include <linux/dma-mapping.h>
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-#include <asm/au1000.h>
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-#include <asm/pb1100.h>
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-#include "au1100fb.h"
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+#include <asm/mach-au1x00/au1000.h>
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-#include <video/fbcon.h>
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-#include <video/fbcon-mfb.h>
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-#include <video/fbcon-cfb2.h>
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-#include <video/fbcon-cfb4.h>
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-#include <video/fbcon-cfb8.h>
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-#include <video/fbcon-cfb16.h>
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+#define DEBUG 0
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+
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+#include "au1100fb.h"
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/*
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* Sanity check. If this is a new Au1100 based board, search for
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* the PB1100 ifdefs to make sure you modify the code accordingly.
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*/
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-#if defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100) || defined(CONFIG_MIPS_HYDROGEN3)
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+#if defined(CONFIG_MIPS_PB1100)
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+ #include <asm/mach-pb1x00/pb1100.h>
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+#elif defined(CONFIG_MIPS_DB1100)
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+ #include <asm/mach-db1x00/db1x00.h>
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#else
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-error Unknown Au1100 board
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+ #error "Unknown Au1100 board, Au1100 FB driver not supported"
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#endif
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-#define CMAPSIZE 16
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-
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-static int my_lcd_index; /* default is zero */
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-struct known_lcd_panels *p_lcd;
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-AU1100_LCD *p_lcd_reg = (AU1100_LCD *)AU1100_LCD_ADDR;
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-
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-struct au1100fb_info {
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- struct fb_info_gen gen;
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- unsigned long fb_virt_start;
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- unsigned long fb_size;
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- unsigned long fb_phys;
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- int mmaped;
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- int nohwcursor;
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+#define DRIVER_NAME "au1100fb"
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+#define DRIVER_DESC "LCD controller driver for AU1100 processors"
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- struct { unsigned red, green, blue, pad; } palette[256];
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+#define to_au1100fb_device(_info) \
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+ (_info ? container_of(_info, struct au1100fb_device, info) : NULL);
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-#if defined(FBCON_HAS_CFB16)
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- u16 fbcon_cmap16[16];
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-#endif
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+/* Bitfields format supported by the controller. Note that the order of formats
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+ * SHOULD be the same as in the LCD_CONTROL_SBPPF field, so we can retrieve the
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+ * right pixel format by doing rgb_bitfields[LCD_CONTROL_SBPPF_XXX >> LCD_CONTROL_SBPPF]
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+ */
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+struct fb_bitfield rgb_bitfields[][4] =
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+{
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+ /* Red, Green, Blue, Transp */
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+ { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
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+ { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
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+ { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } },
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+ { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } },
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+ { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } },
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+
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+ /* The last is used to describe 12bpp format */
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+ { { 8, 4, 0 }, { 4, 4, 0 }, { 0, 4, 0 }, { 0, 0, 0 } },
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};
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-
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-struct au1100fb_par {
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- struct fb_var_screeninfo var;
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-
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- int line_length; // in bytes
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- int cmap_len; // color-map length
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+static struct fb_fix_screeninfo au1100fb_fix __initdata = {
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+ .id = "AU1100 FB",
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+ .xpanstep = 1,
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+ .ypanstep = 1,
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+ .type = FB_TYPE_PACKED_PIXELS,
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+ .accel = FB_ACCEL_NONE,
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};
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-
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-static struct au1100fb_info fb_info;
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-static struct au1100fb_par current_par;
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-static struct display disp;
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-
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-int au1100fb_init(void);
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-void au1100fb_setup(char *options, int *ints);
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-static int au1100fb_mmap(struct fb_info *fb, struct file *file,
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- struct vm_area_struct *vma);
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-static int au1100_blank(int blank_mode, struct fb_info_gen *info);
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-static int au1100fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
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- u_long arg, int con, struct fb_info *info);
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-
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-void au1100_nocursor(struct display *p, int mode, int xx, int yy){};
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-
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-static struct fb_ops au1100fb_ops = {
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- .owner = THIS_MODULE,
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- .fb_get_fix = fbgen_get_fix,
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- .fb_get_var = fbgen_get_var,
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- .fb_set_var = fbgen_set_var,
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- .fb_get_cmap = fbgen_get_cmap,
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- .fb_set_cmap = fbgen_set_cmap,
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- .fb_pan_display = fbgen_pan_display,
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- .fb_ioctl = au1100fb_ioctl,
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- .fb_mmap = au1100fb_mmap,
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+static struct fb_var_screeninfo au1100fb_var __initdata = {
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+ .activate = FB_ACTIVATE_NOW,
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+ .height = -1,
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+ .width = -1,
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+ .vmode = FB_VMODE_NONINTERLACED,
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};
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-static void au1100_detect(void)
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-{
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- /*
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- * This function should detect the current video mode settings
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- * and store it as the default video mode
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- */
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+static struct au1100fb_drv_info drv_info;
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- /*
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- * Yeh, well, we're not going to change any settings so we're
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- * always stuck with the default ...
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+/*
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+ * Set hardware with var settings. This will enable the controller with a specific
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+ * mode, normally validated with the fb_check_var method
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*/
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-
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-}
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-
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-static int au1100_encode_fix(struct fb_fix_screeninfo *fix,
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- const void *_par, struct fb_info_gen *_info)
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+int au1100fb_setmode(struct au1100fb_device *fbdev)
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{
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- struct au1100fb_info *info = (struct au1100fb_info *) _info;
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- struct au1100fb_par *par = (struct au1100fb_par *) _par;
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- struct fb_var_screeninfo *var = &par->var;
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-
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- memset(fix, 0, sizeof(struct fb_fix_screeninfo));
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-
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- fix->smem_start = info->fb_phys;
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- fix->smem_len = info->fb_size;
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- fix->type = FB_TYPE_PACKED_PIXELS;
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- fix->type_aux = 0;
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- fix->visual = (var->bits_per_pixel == 8) ?
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- FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
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- fix->ywrapstep = 0;
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- fix->xpanstep = 1;
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- fix->ypanstep = 1;
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- fix->line_length = current_par.line_length;
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- return 0;
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-}
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+ struct fb_info *info = &fbdev->info;
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+ u32 words;
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+ int index;
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-static void set_color_bitfields(struct fb_var_screeninfo *var)
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-{
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- switch (var->bits_per_pixel) {
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- case 8:
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- var->red.offset = 0;
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- var->red.length = 8;
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- var->green.offset = 0;
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- var->green.length = 8;
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- var->blue.offset = 0;
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- var->blue.length = 8;
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- var->transp.offset = 0;
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- var->transp.length = 0;
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- break;
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- case 16: /* RGB 565 */
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- var->red.offset = 11;
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- var->red.length = 5;
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- var->green.offset = 5;
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- var->green.length = 6;
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- var->blue.offset = 0;
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- var->blue.length = 5;
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- var->transp.offset = 0;
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- var->transp.length = 0;
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- break;
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+ if (!fbdev)
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+ return -EINVAL;
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+
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+ /* Update var-dependent FB info */
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+ if (panel_is_active(fbdev->panel) || panel_is_color(fbdev->panel)) {
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+ if (info->var.bits_per_pixel <= 8) {
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+ /* palettized */
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+ info->var.red.offset = 0;
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+ info->var.red.length = info->var.bits_per_pixel;
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+ info->var.red.msb_right = 0;
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+
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+ info->var.green.offset = 0;
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+ info->var.green.length = info->var.bits_per_pixel;
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+ info->var.green.msb_right = 0;
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+
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+ info->var.blue.offset = 0;
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+ info->var.blue.length = info->var.bits_per_pixel;
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+ info->var.blue.msb_right = 0;
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+
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+ info->var.transp.offset = 0;
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+ info->var.transp.length = 0;
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+ info->var.transp.msb_right = 0;
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+
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+ info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
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+ info->fix.line_length = info->var.xres_virtual /
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+ (8/info->var.bits_per_pixel);
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+ } else {
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+ /* non-palettized */
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+ index = (fbdev->panel->control_base & LCD_CONTROL_SBPPF_MASK) >> LCD_CONTROL_SBPPF_BIT;
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+ info->var.red = rgb_bitfields[index][0];
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+ info->var.green = rgb_bitfields[index][1];
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+ info->var.blue = rgb_bitfields[index][2];
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+ info->var.transp = rgb_bitfields[index][3];
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+
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+ info->fix.visual = FB_VISUAL_TRUECOLOR;
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+ info->fix.line_length = info->var.xres_virtual << 1; /* depth=16 */
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+ }
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+ } else {
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+ /* mono */
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+ info->fix.visual = FB_VISUAL_MONO10;
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+ info->fix.line_length = info->var.xres_virtual / 8;
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}
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- var->red.msb_right = 0;
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- var->green.msb_right = 0;
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- var->blue.msb_right = 0;
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- var->transp.msb_right = 0;
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-}
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+ info->screen_size = info->fix.line_length * info->var.yres_virtual;
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-static int au1100_decode_var(const struct fb_var_screeninfo *var,
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- void *_par, struct fb_info_gen *_info)
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-{
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+ /* Determine BPP mode and format */
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+ fbdev->regs->lcd_control = fbdev->panel->control_base |
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+ ((info->var.rotate/90) << LCD_CONTROL_SM_BIT);
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- struct au1100fb_par *par = (struct au1100fb_par *)_par;
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+ fbdev->regs->lcd_intenable = 0;
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+ fbdev->regs->lcd_intstatus = 0;
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- /*
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- * Don't allow setting any of these yet: xres and yres don't
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- * make sense for LCD panels.
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- */
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- if (var->xres != p_lcd->xres ||
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- var->yres != p_lcd->yres ||
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- var->xres != p_lcd->xres ||
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- var->yres != p_lcd->yres) {
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- return -EINVAL;
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- }
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- if(var->bits_per_pixel != p_lcd->bpp) {
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- return -EINVAL;
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- }
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+ fbdev->regs->lcd_horztiming = fbdev->panel->horztiming;
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- memset(par, 0, sizeof(struct au1100fb_par));
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- par->var = *var;
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-
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- /* FIXME */
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- switch (var->bits_per_pixel) {
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- case 8:
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- par->var.bits_per_pixel = 8;
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- break;
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- case 16:
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- par->var.bits_per_pixel = 16;
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- break;
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- default:
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- printk("color depth %d bpp not supported\n",
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- var->bits_per_pixel);
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- return -EINVAL;
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+ fbdev->regs->lcd_verttiming = fbdev->panel->verttiming;
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+
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+ fbdev->regs->lcd_clkcontrol = fbdev->panel->clkcontrol_base;
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+ fbdev->regs->lcd_dmaaddr0 = LCD_DMA_SA_N(fbdev->fb_phys);
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+
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+ if (panel_is_dual(fbdev->panel)) {
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+ /* Second panel display seconf half of screen if possible,
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+ * otherwise display the same as the first panel */
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+ if (info->var.yres_virtual >= (info->var.yres << 1)) {
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+ fbdev->regs->lcd_dmaaddr1 = LCD_DMA_SA_N(fbdev->fb_phys +
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+ (info->fix.line_length *
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+ (info->var.yres_virtual >> 1)));
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+ } else {
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+ fbdev->regs->lcd_dmaaddr1 = LCD_DMA_SA_N(fbdev->fb_phys);
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+ }
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}
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- set_color_bitfields(&par->var);
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- par->cmap_len = (par->var.bits_per_pixel == 8) ? 256 : 16;
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- return 0;
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-}
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-static int au1100_encode_var(struct fb_var_screeninfo *var,
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- const void *par, struct fb_info_gen *_info)
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-{
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+ words = info->fix.line_length / sizeof(u32);
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+ if (!info->var.rotate || (info->var.rotate == 180)) {
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+ words *= info->var.yres_virtual;
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+ if (info->var.rotate /* 180 */) {
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+ words -= (words % 8); /* should be divisable by 8 */
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+ }
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+ }
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+ fbdev->regs->lcd_words = LCD_WRD_WRDS_N(words);
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- *var = ((struct au1100fb_par *)par)->var;
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- return 0;
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-}
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+ fbdev->regs->lcd_pwmdiv = 0;
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+ fbdev->regs->lcd_pwmhi = 0;
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-static void
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-au1100_get_par(void *_par, struct fb_info_gen *_info)
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-{
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- *(struct au1100fb_par *)_par = current_par;
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-}
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+ /* Resume controller */
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+ fbdev->regs->lcd_control |= LCD_CONTROL_GO;
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-static void au1100_set_par(const void *par, struct fb_info_gen *info)
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-{
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- /* nothing to do: we don't change any settings */
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+ return 0;
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}
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-static int au1100_getcolreg(unsigned regno, unsigned *red, unsigned *green,
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- unsigned *blue, unsigned *transp,
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- struct fb_info *info)
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+/* fb_setcolreg
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+ * Set color in LCD palette.
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+ */
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+int au1100fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *fbi)
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{
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+ struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
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+ u32 *palette = fbdev->regs->lcd_pallettebase;
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+ u32 value;
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- struct au1100fb_info* i = (struct au1100fb_info*)info;
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-
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- if (regno > 255)
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- return 1;
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+ if (regno > (AU1100_LCD_NBR_PALETTE_ENTRIES - 1))
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+ return -EINVAL;
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- *red = i->palette[regno].red;
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- *green = i->palette[regno].green;
|
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|
- *blue = i->palette[regno].blue;
|
|
|
- *transp = 0;
|
|
|
+ if (fbi->var.grayscale) {
|
|
|
+ /* Convert color to grayscale */
|
|
|
+ red = green = blue =
|
|
|
+ (19595 * red + 38470 * green + 7471 * blue) >> 16;
|
|
|
+ }
|
|
|
|
|
|
- return 0;
|
|
|
-}
|
|
|
+ if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) {
|
|
|
+ /* Place color in the pseudopalette */
|
|
|
+ if (regno > 16)
|
|
|
+ return -EINVAL;
|
|
|
|
|
|
-static int au1100_setcolreg(unsigned regno, unsigned red, unsigned green,
|
|
|
- unsigned blue, unsigned transp,
|
|
|
- struct fb_info *info)
|
|
|
-{
|
|
|
- struct au1100fb_info* i = (struct au1100fb_info *)info;
|
|
|
- u32 rgbcol;
|
|
|
-
|
|
|
- if (regno > 255)
|
|
|
- return 1;
|
|
|
-
|
|
|
- i->palette[regno].red = red;
|
|
|
- i->palette[regno].green = green;
|
|
|
- i->palette[regno].blue = blue;
|
|
|
-
|
|
|
- switch(p_lcd->bpp) {
|
|
|
-#ifdef FBCON_HAS_CFB8
|
|
|
- case 8:
|
|
|
- red >>= 10;
|
|
|
- green >>= 10;
|
|
|
- blue >>= 10;
|
|
|
- p_lcd_reg->lcd_pallettebase[regno] = (blue&0x1f) |
|
|
|
- ((green&0x3f)<<5) | ((red&0x1f)<<11);
|
|
|
- break;
|
|
|
-#endif
|
|
|
-#ifdef FBCON_HAS_CFB16
|
|
|
- case 16:
|
|
|
- i->fbcon_cmap16[regno] =
|
|
|
- ((red & 0xf800) >> 0) |
|
|
|
- ((green & 0xfc00) >> 5) |
|
|
|
- ((blue & 0xf800) >> 11);
|
|
|
- break;
|
|
|
-#endif
|
|
|
- default:
|
|
|
- break;
|
|
|
+ palette = (u32*)fbi->pseudo_palette;
|
|
|
+
|
|
|
+ red >>= (16 - fbi->var.red.length);
|
|
|
+ green >>= (16 - fbi->var.green.length);
|
|
|
+ blue >>= (16 - fbi->var.blue.length);
|
|
|
+
|
|
|
+ value = (red << fbi->var.red.offset) |
|
|
|
+ (green << fbi->var.green.offset)|
|
|
|
+ (blue << fbi->var.blue.offset);
|
|
|
+ value &= 0xFFFF;
|
|
|
+
|
|
|
+ } else if (panel_is_active(fbdev->panel)) {
|
|
|
+ /* COLOR TFT PALLETTIZED (use RGB 565) */
|
|
|
+ value = (red & 0xF800)|((green >> 5) & 0x07E0)|((blue >> 11) & 0x001F);
|
|
|
+ value &= 0xFFFF;
|
|
|
+
|
|
|
+ } else if (panel_is_color(fbdev->panel)) {
|
|
|
+ /* COLOR STN MODE */
|
|
|
+ value = (((panel_swap_rgb(fbdev->panel) ? blue : red) >> 12) & 0x000F) |
|
|
|
+ ((green >> 8) & 0x00F0) |
|
|
|
+ (((panel_swap_rgb(fbdev->panel) ? red : blue) >> 4) & 0x0F00);
|
|
|
+ value &= 0xFFF;
|
|
|
+ } else {
|
|
|
+ /* MONOCHROME MODE */
|
|
|
+ value = (green >> 12) & 0x000F;
|
|
|
+ value &= 0xF;
|
|
|
}
|
|
|
|
|
|
+ palette[regno] = value;
|
|
|
+
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-
|
|
|
-static int au1100_blank(int blank_mode, struct fb_info_gen *_info)
|
|
|
+/* fb_blank
|
|
|
+ * Blank the screen. Depending on the mode, the screen will be
|
|
|
+ * activated with the backlight color, or desactivated
|
|
|
+ */
|
|
|
+int au1100fb_fb_blank(int blank_mode, struct fb_info *fbi)
|
|
|
{
|
|
|
+ struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
|
|
|
+
|
|
|
+ print_dbg("fb_blank %d %p", blank_mode, fbi);
|
|
|
|
|
|
switch (blank_mode) {
|
|
|
+
|
|
|
case VESA_NO_BLANKING:
|
|
|
- /* turn on panel */
|
|
|
- //printk("turn on panel\n");
|
|
|
+ /* Turn on panel */
|
|
|
+ fbdev->regs->lcd_control |= LCD_CONTROL_GO;
|
|
|
#ifdef CONFIG_MIPS_PB1100
|
|
|
- p_lcd_reg->lcd_control |= LCD_CONTROL_GO;
|
|
|
- au_writew(au_readw(PB1100_G_CONTROL) | p_lcd->mode_backlight,
|
|
|
+ if (drv_info.panel_idx == 1) {
|
|
|
+ au_writew(au_readw(PB1100_G_CONTROL)
|
|
|
+ | (PB1100_G_CONTROL_BL | PB1100_G_CONTROL_VDD),
|
|
|
PB1100_G_CONTROL);
|
|
|
-#endif
|
|
|
-#ifdef CONFIG_MIPS_HYDROGEN3
|
|
|
- /* Turn controller & power supply on, GPIO213 */
|
|
|
- au_writel(0x20002000, 0xB1700008);
|
|
|
- au_writel(0x00040000, 0xB1900108);
|
|
|
- au_writel(0x01000100, 0xB1700008);
|
|
|
+ }
|
|
|
#endif
|
|
|
au_sync();
|
|
|
break;
|
|
|
@@ -332,12 +292,14 @@ static int au1100_blank(int blank_mode, struct fb_info_gen *_info)
|
|
|
case VESA_VSYNC_SUSPEND:
|
|
|
case VESA_HSYNC_SUSPEND:
|
|
|
case VESA_POWERDOWN:
|
|
|
- /* turn off panel */
|
|
|
- //printk("turn off panel\n");
|
|
|
+ /* Turn off panel */
|
|
|
+ fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
|
|
|
#ifdef CONFIG_MIPS_PB1100
|
|
|
- au_writew(au_readw(PB1100_G_CONTROL) & ~p_lcd->mode_backlight,
|
|
|
+ if (drv_info.panel_idx == 1) {
|
|
|
+ au_writew(au_readw(PB1100_G_CONTROL)
|
|
|
+ & ~(PB1100_G_CONTROL_BL | PB1100_G_CONTROL_VDD),
|
|
|
PB1100_G_CONTROL);
|
|
|
- p_lcd_reg->lcd_control &= ~LCD_CONTROL_GO;
|
|
|
+ }
|
|
|
#endif
|
|
|
au_sync();
|
|
|
break;
|
|
|
@@ -348,49 +310,87 @@ static int au1100_blank(int blank_mode, struct fb_info_gen *_info)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static void au1100_set_disp(const void *unused, struct display *disp,
|
|
|
- struct fb_info_gen *info)
|
|
|
+/* fb_pan_display
|
|
|
+ * Pan display in x and/or y as specified
|
|
|
+ */
|
|
|
+int au1100fb_fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi)
|
|
|
{
|
|
|
- disp->screen_base = (char *)fb_info.fb_virt_start;
|
|
|
-
|
|
|
- switch (disp->var.bits_per_pixel) {
|
|
|
-#ifdef FBCON_HAS_CFB8
|
|
|
- case 8:
|
|
|
- disp->dispsw = &fbcon_cfb8;
|
|
|
- if (fb_info.nohwcursor)
|
|
|
- fbcon_cfb8.cursor = au1100_nocursor;
|
|
|
- break;
|
|
|
-#endif
|
|
|
-#ifdef FBCON_HAS_CFB16
|
|
|
- case 16:
|
|
|
- disp->dispsw = &fbcon_cfb16;
|
|
|
- disp->dispsw_data = fb_info.fbcon_cmap16;
|
|
|
- if (fb_info.nohwcursor)
|
|
|
- fbcon_cfb16.cursor = au1100_nocursor;
|
|
|
- break;
|
|
|
-#endif
|
|
|
- default:
|
|
|
- disp->dispsw = &fbcon_dummy;
|
|
|
- disp->dispsw_data = NULL;
|
|
|
- break;
|
|
|
+ struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
|
|
|
+ int dy;
|
|
|
+
|
|
|
+ print_dbg("fb_pan_display %p %p", var, fbi);
|
|
|
+
|
|
|
+ if (!var || !fbdev) {
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (var->xoffset - fbi->var.xoffset) {
|
|
|
+ /* No support for X panning for now! */
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ print_dbg("fb_pan_display 2 %p %p", var, fbi);
|
|
|
+ dy = var->yoffset - fbi->var.yoffset;
|
|
|
+ if (dy) {
|
|
|
+
|
|
|
+ u32 dmaaddr;
|
|
|
+
|
|
|
+ print_dbg("Panning screen of %d lines", dy);
|
|
|
+
|
|
|
+ dmaaddr = fbdev->regs->lcd_dmaaddr0;
|
|
|
+ dmaaddr += (fbi->fix.line_length * dy);
|
|
|
+
|
|
|
+ /* TODO: Wait for current frame to finished */
|
|
|
+ fbdev->regs->lcd_dmaaddr0 = LCD_DMA_SA_N(dmaaddr);
|
|
|
+
|
|
|
+ if (panel_is_dual(fbdev->panel)) {
|
|
|
+ dmaaddr = fbdev->regs->lcd_dmaaddr1;
|
|
|
+ dmaaddr += (fbi->fix.line_length * dy);
|
|
|
+ fbdev->regs->lcd_dmaaddr0 = LCD_DMA_SA_N(dmaaddr);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ print_dbg("fb_pan_display 3 %p %p", var, fbi);
|
|
|
+
|
|
|
+ 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...
|
|
|
+ */
|
|
|
+void au1100fb_fb_rotate(struct fb_info *fbi, int angle)
|
|
|
+{
|
|
|
+ struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
|
|
|
+
|
|
|
+ print_dbg("fb_rotate %p %d", fbi, angle);
|
|
|
+
|
|
|
+ if (fbdev && (angle > 0) && !(angle % 90)) {
|
|
|
+
|
|
|
+ fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
|
|
|
+
|
|
|
+ fbdev->regs->lcd_control &= ~(LCD_CONTROL_SM_MASK);
|
|
|
+ fbdev->regs->lcd_control |= ((angle/90) << LCD_CONTROL_SM_BIT);
|
|
|
+
|
|
|
+ fbdev->regs->lcd_control |= LCD_CONTROL_GO;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
-static int
|
|
|
-au1100fb_mmap(struct fb_info *_fb,
|
|
|
- struct file *file,
|
|
|
- struct vm_area_struct *vma)
|
|
|
+/* fb_mmap
|
|
|
+ * Map video memory in user space. We don't use the generic fb_mmap method mainly
|
|
|
+ * to allow the use of the TLB streaming flag (CCA=6)
|
|
|
+ */
|
|
|
+int au1100fb_fb_mmap(struct fb_info *fbi, struct file *file, struct vm_area_struct *vma)
|
|
|
{
|
|
|
+ struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
|
|
|
unsigned int len;
|
|
|
unsigned long start=0, off;
|
|
|
- struct au1100fb_info *fb = (struct au1100fb_info *)_fb;
|
|
|
|
|
|
if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
|
|
|
- start = fb_info.fb_phys & PAGE_MASK;
|
|
|
- len = PAGE_ALIGN((start & ~PAGE_MASK) + fb_info.fb_size);
|
|
|
+ start = fbdev->fb_phys & PAGE_MASK;
|
|
|
+ len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
|
|
|
|
|
|
off = vma->vm_pgoff << PAGE_SHIFT;
|
|
|
|
|
|
@@ -401,276 +401,309 @@ au1100fb_mmap(struct fb_info *_fb,
|
|
|
off += start;
|
|
|
vma->vm_pgoff = off >> PAGE_SHIFT;
|
|
|
|
|
|
- pgprot_val(vma->vm_page_prot) &= ~_CACHE_MASK;
|
|
|
- //pgprot_val(vma->vm_page_prot) |= _CACHE_CACHABLE_NONCOHERENT;
|
|
|
+ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
|
|
|
pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6
|
|
|
|
|
|
- /* This is an IO map - tell maydump to skip this VMA */
|
|
|
vma->vm_flags |= VM_IO;
|
|
|
|
|
|
- if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
|
|
|
+ if (io_remap_page_range(vma, vma->vm_start, off,
|
|
|
vma->vm_end - vma->vm_start,
|
|
|
vma->vm_page_prot)) {
|
|
|
return -EAGAIN;
|
|
|
}
|
|
|
|
|
|
- fb->mmaped = 1;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-int au1100_pan_display(const struct fb_var_screeninfo *var,
|
|
|
- struct fb_info_gen *info)
|
|
|
+static struct fb_ops au1100fb_ops =
|
|
|
{
|
|
|
- return 0;
|
|
|
-}
|
|
|
+ .owner = THIS_MODULE,
|
|
|
+ .fb_setcolreg = au1100fb_fb_setcolreg,
|
|
|
+ .fb_blank = au1100fb_fb_blank,
|
|
|
+ .fb_pan_display = au1100fb_fb_pan_display,
|
|
|
+ .fb_fillrect = cfb_fillrect,
|
|
|
+ .fb_copyarea = cfb_copyarea,
|
|
|
+ .fb_imageblit = cfb_imageblit,
|
|
|
+ .fb_rotate = au1100fb_fb_rotate,
|
|
|
+ .fb_mmap = au1100fb_fb_mmap,
|
|
|
+};
|
|
|
|
|
|
-static int au1100fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
|
|
|
- u_long arg, int con, struct fb_info *info)
|
|
|
-{
|
|
|
- /* nothing to do yet */
|
|
|
- return -EINVAL;
|
|
|
-}
|
|
|
|
|
|
-static struct fbgen_hwswitch au1100_switch = {
|
|
|
- au1100_detect,
|
|
|
- au1100_encode_fix,
|
|
|
- au1100_decode_var,
|
|
|
- au1100_encode_var,
|
|
|
- au1100_get_par,
|
|
|
- au1100_set_par,
|
|
|
- au1100_getcolreg,
|
|
|
- au1100_setcolreg,
|
|
|
- au1100_pan_display,
|
|
|
- au1100_blank,
|
|
|
- au1100_set_disp
|
|
|
-};
|
|
|
+/*-------------------------------------------------------------------------*/
|
|
|
|
|
|
+/* AU1100 LCD controller device driver */
|
|
|
|
|
|
-int au1100_setmode(void)
|
|
|
+int au1100fb_drv_probe(struct device *dev)
|
|
|
{
|
|
|
- int words;
|
|
|
-
|
|
|
- /* FIXME Need to accomodate for swivel mode and 12bpp, <8bpp*/
|
|
|
- switch (p_lcd->mode_control & LCD_CONTROL_SM)
|
|
|
- {
|
|
|
- case LCD_CONTROL_SM_0:
|
|
|
- case LCD_CONTROL_SM_180:
|
|
|
- words = (p_lcd->xres * p_lcd->yres * p_lcd->bpp) / 32;
|
|
|
- break;
|
|
|
- case LCD_CONTROL_SM_90:
|
|
|
- case LCD_CONTROL_SM_270:
|
|
|
- /* is this correct? */
|
|
|
- words = (p_lcd->xres * p_lcd->bpp) / 8;
|
|
|
- break;
|
|
|
- default:
|
|
|
- printk("mode_control reg not initialized\n");
|
|
|
+ struct au1100fb_device *fbdev = NULL;
|
|
|
+ struct resource *regs_res;
|
|
|
+ unsigned long page;
|
|
|
+ u32 sys_clksrc;
|
|
|
+
|
|
|
+ if (!dev)
|
|
|
return -EINVAL;
|
|
|
+
|
|
|
+ /* Allocate new device private */
|
|
|
+ if (!(fbdev = kmalloc(sizeof(struct au1100fb_device), GFP_KERNEL))) {
|
|
|
+ print_err("fail to allocate device private record");
|
|
|
+ return -ENOMEM;
|
|
|
}
|
|
|
+ memset((void*)fbdev, 0, sizeof(struct au1100fb_device));
|
|
|
|
|
|
- /*
|
|
|
- * Setup LCD controller
|
|
|
- */
|
|
|
+ fbdev->panel = &known_lcd_panels[drv_info.panel_idx];
|
|
|
|
|
|
- p_lcd_reg->lcd_control = p_lcd->mode_control;
|
|
|
- p_lcd_reg->lcd_intstatus = 0;
|
|
|
- p_lcd_reg->lcd_intenable = 0;
|
|
|
- p_lcd_reg->lcd_horztiming = p_lcd->mode_horztiming;
|
|
|
- p_lcd_reg->lcd_verttiming = p_lcd->mode_verttiming;
|
|
|
- p_lcd_reg->lcd_clkcontrol = p_lcd->mode_clkcontrol;
|
|
|
- p_lcd_reg->lcd_words = words - 1;
|
|
|
- p_lcd_reg->lcd_dmaaddr0 = fb_info.fb_phys;
|
|
|
+ dev_set_drvdata(dev, (void*)fbdev);
|
|
|
|
|
|
- /* turn on panel */
|
|
|
-#ifdef CONFIG_MIPS_PB1100
|
|
|
- au_writew(au_readw(PB1100_G_CONTROL) | p_lcd->mode_backlight,
|
|
|
- PB1100_G_CONTROL);
|
|
|
-#endif
|
|
|
-#ifdef CONFIG_MIPS_HYDROGEN3
|
|
|
- /* Turn controller & power supply on, GPIO213 */
|
|
|
- au_writel(0x20002000, 0xB1700008);
|
|
|
- au_writel(0x00040000, 0xB1900108);
|
|
|
- au_writel(0x01000100, 0xB1700008);
|
|
|
-#endif
|
|
|
+ /* Allocate region for our registers and map them */
|
|
|
+ if (!(regs_res = platform_get_resource(to_platform_device(dev),
|
|
|
+ IORESOURCE_MEM, 0))) {
|
|
|
+ print_err("fail to retrieve registers resource");
|
|
|
+ return -EFAULT;
|
|
|
+ }
|
|
|
|
|
|
- p_lcd_reg->lcd_control |= LCD_CONTROL_GO;
|
|
|
+ au1100fb_fix.mmio_start = regs_res->start;
|
|
|
+ au1100fb_fix.mmio_len = regs_res->end - regs_res->start + 1;
|
|
|
|
|
|
- return 0;
|
|
|
-}
|
|
|
+ if (!request_mem_region(au1100fb_fix.mmio_start, au1100fb_fix.mmio_len,
|
|
|
+ DRIVER_NAME)) {
|
|
|
+ print_err("fail to lock memory region at 0x%08x",
|
|
|
+ au1100fb_fix.mmio_start);
|
|
|
+ return -EBUSY;
|
|
|
+ }
|
|
|
|
|
|
+ fbdev->regs = (struct au1100fb_regs*)KSEG1ADDR(au1100fb_fix.mmio_start);
|
|
|
|
|
|
-int __init au1100fb_init(void)
|
|
|
-{
|
|
|
- uint32 sys_clksrc;
|
|
|
- unsigned long page;
|
|
|
+ print_dbg("Register memory map at %p", fbdev->regs);
|
|
|
+ print_dbg("phys=0x%08x, size=%d", fbdev->regs_phys, fbdev->regs_len);
|
|
|
|
|
|
- /*
|
|
|
- * Get the panel information/display mode and update the registry
|
|
|
- */
|
|
|
- p_lcd = &panels[my_lcd_index];
|
|
|
-
|
|
|
- switch (p_lcd->mode_control & LCD_CONTROL_SM)
|
|
|
- {
|
|
|
- case LCD_CONTROL_SM_0:
|
|
|
- case LCD_CONTROL_SM_180:
|
|
|
- p_lcd->xres =
|
|
|
- (p_lcd->mode_horztiming & LCD_HORZTIMING_PPL) + 1;
|
|
|
- p_lcd->yres =
|
|
|
- (p_lcd->mode_verttiming & LCD_VERTTIMING_LPP) + 1;
|
|
|
- break;
|
|
|
- case LCD_CONTROL_SM_90:
|
|
|
- case LCD_CONTROL_SM_270:
|
|
|
- p_lcd->yres =
|
|
|
- (p_lcd->mode_horztiming & LCD_HORZTIMING_PPL) + 1;
|
|
|
- p_lcd->xres =
|
|
|
- (p_lcd->mode_verttiming & LCD_VERTTIMING_LPP) + 1;
|
|
|
- break;
|
|
|
- }
|
|
|
|
|
|
- /*
|
|
|
- * Panel dimensions x bpp must be divisible by 32
|
|
|
- */
|
|
|
- if (((p_lcd->yres * p_lcd->bpp) % 32) != 0)
|
|
|
- printk("VERT %% 32\n");
|
|
|
- if (((p_lcd->xres * p_lcd->bpp) % 32) != 0)
|
|
|
- printk("HORZ %% 32\n");
|
|
|
|
|
|
- /*
|
|
|
- * Allocate LCD framebuffer from system memory
|
|
|
- */
|
|
|
- fb_info.fb_size = (p_lcd->xres * p_lcd->yres * p_lcd->bpp) / 8;
|
|
|
-
|
|
|
- current_par.var.xres = p_lcd->xres;
|
|
|
- current_par.var.xres_virtual = p_lcd->xres;
|
|
|
- current_par.var.yres = p_lcd->yres;
|
|
|
- current_par.var.yres_virtual = p_lcd->yres;
|
|
|
- current_par.var.bits_per_pixel = p_lcd->bpp;
|
|
|
-
|
|
|
- /* FIX!!! only works for 8/16 bpp */
|
|
|
- current_par.line_length = p_lcd->xres * p_lcd->bpp / 8; /* in bytes */
|
|
|
- fb_info.fb_virt_start = (unsigned long )
|
|
|
- __get_free_pages(GFP_ATOMIC | GFP_DMA,
|
|
|
- get_order(fb_info.fb_size + 0x1000));
|
|
|
- if (!fb_info.fb_virt_start) {
|
|
|
- printk("Unable to allocate fb memory\n");
|
|
|
+ /* Allocate the framebuffer to the maximum screen size * nbr of video buffers */
|
|
|
+ fbdev->fb_len = fbdev->panel->xres * fbdev->panel->yres *
|
|
|
+ (fbdev->panel->bpp >> 3) * AU1100FB_NBR_VIDEO_BUFFERS;
|
|
|
+
|
|
|
+ fbdev->fb_mem = dma_alloc_coherent(dev, PAGE_ALIGN(fbdev->fb_len),
|
|
|
+ &fbdev->fb_phys, GFP_KERNEL);
|
|
|
+ if (!fbdev->fb_mem) {
|
|
|
+ print_err("fail to allocate frambuffer (size: %dK))",
|
|
|
+ fbdev->fb_len / 1024);
|
|
|
return -ENOMEM;
|
|
|
}
|
|
|
- fb_info.fb_phys = virt_to_bus((void *)fb_info.fb_virt_start);
|
|
|
+
|
|
|
+ au1100fb_fix.smem_start = fbdev->fb_phys;
|
|
|
+ au1100fb_fix.smem_len = fbdev->fb_len;
|
|
|
|
|
|
/*
|
|
|
* Set page reserved so that mmap will work. This is necessary
|
|
|
* since we'll be remapping normal memory.
|
|
|
*/
|
|
|
- for (page = fb_info.fb_virt_start;
|
|
|
- page < PAGE_ALIGN(fb_info.fb_virt_start + fb_info.fb_size);
|
|
|
+ for (page = (unsigned long)fbdev->fb_mem;
|
|
|
+ page < PAGE_ALIGN((unsigned long)fbdev->fb_mem + fbdev->fb_len);
|
|
|
page += PAGE_SIZE) {
|
|
|
+#if CONFIG_DMA_NONCOHERENT
|
|
|
+ SetPageReserved(virt_to_page(CAC_ADDR(page)));
|
|
|
+#else
|
|
|
SetPageReserved(virt_to_page(page));
|
|
|
+#endif
|
|
|
}
|
|
|
|
|
|
- memset((void *)fb_info.fb_virt_start, 0, fb_info.fb_size);
|
|
|
-
|
|
|
- /* set freqctrl now to allow more time to stabilize */
|
|
|
- /* zero-out out LCD bits */
|
|
|
- sys_clksrc = au_readl(SYS_CLKSRC) & ~0x000003e0;
|
|
|
- sys_clksrc |= p_lcd->mode_toyclksrc;
|
|
|
- au_writel(sys_clksrc, SYS_CLKSRC);
|
|
|
-
|
|
|
- /* FIXME add check to make sure auxpll is what is expected! */
|
|
|
- au1100_setmode();
|
|
|
-
|
|
|
- fb_info.gen.parsize = sizeof(struct au1100fb_par);
|
|
|
- fb_info.gen.fbhw = &au1100_switch;
|
|
|
-
|
|
|
- strcpy(fb_info.gen.info.modename, "Au1100 LCD");
|
|
|
- fb_info.gen.info.changevar = NULL;
|
|
|
- fb_info.gen.info.node = -1;
|
|
|
-
|
|
|
- fb_info.gen.info.fbops = &au1100fb_ops;
|
|
|
- fb_info.gen.info.disp = &disp;
|
|
|
- fb_info.gen.info.switch_con = &fbgen_switch;
|
|
|
- fb_info.gen.info.updatevar = &fbgen_update_var;
|
|
|
- fb_info.gen.info.blank = &fbgen_blank;
|
|
|
- fb_info.gen.info.flags = FBINFO_FLAG_DEFAULT;
|
|
|
-
|
|
|
- /* This should give a reasonable default video mode */
|
|
|
- fbgen_get_var(&disp.var, -1, &fb_info.gen.info);
|
|
|
- fbgen_do_set_var(&disp.var, 1, &fb_info.gen);
|
|
|
- fbgen_set_disp(-1, &fb_info.gen);
|
|
|
- fbgen_install_cmap(0, &fb_info.gen);
|
|
|
- if (register_framebuffer(&fb_info.gen.info) < 0)
|
|
|
- return -EINVAL;
|
|
|
- printk(KERN_INFO "fb%d: %s frame buffer device\n",
|
|
|
- GET_FB_IDX(fb_info.gen.info.node),
|
|
|
- fb_info.gen.info.modename);
|
|
|
+ print_dbg("Framebuffer memory map at %p", fbdev->fb_mem);
|
|
|
+ print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024);
|
|
|
+
|
|
|
+ /* Setup LCD clock to AUX (48 MHz) */
|
|
|
+ sys_clksrc = au_readl(SYS_CLKSRC) & ~(SYS_CS_ML_MASK | SYS_CS_DL | SYS_CS_CL);
|
|
|
+ au_writel((sys_clksrc | (1 << SYS_CS_ML_BIT)), SYS_CLKSRC);
|
|
|
+
|
|
|
+ /* load the panel info into the var struct */
|
|
|
+ au1100fb_var.bits_per_pixel = fbdev->panel->bpp;
|
|
|
+ au1100fb_var.xres = fbdev->panel->xres;
|
|
|
+ au1100fb_var.xres_virtual = au1100fb_var.xres;
|
|
|
+ au1100fb_var.yres = fbdev->panel->yres;
|
|
|
+ au1100fb_var.yres_virtual = au1100fb_var.yres;
|
|
|
+
|
|
|
+ fbdev->info.screen_base = fbdev->fb_mem;
|
|
|
+ fbdev->info.fbops = &au1100fb_ops;
|
|
|
+ fbdev->info.fix = au1100fb_fix;
|
|
|
+
|
|
|
+ if (!(fbdev->info.pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL))) {
|
|
|
+ return -ENOMEM;
|
|
|
+ }
|
|
|
+ memset(fbdev->info.pseudo_palette, 0, sizeof(u32) * 16);
|
|
|
+
|
|
|
+ if (fb_alloc_cmap(&fbdev->info.cmap, AU1100_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
|
|
|
+ print_err("Fail to allocate colormap (%d entries)",
|
|
|
+ AU1100_LCD_NBR_PALETTE_ENTRIES);
|
|
|
+ kfree(fbdev->info.pseudo_palette);
|
|
|
+ return -EFAULT;
|
|
|
+ }
|
|
|
+
|
|
|
+ fbdev->info.var = au1100fb_var;
|
|
|
+
|
|
|
+ /* Set h/w registers */
|
|
|
+ au1100fb_setmode(fbdev);
|
|
|
+
|
|
|
+ /* Register new framebuffer */
|
|
|
+ if (register_framebuffer(&fbdev->info) < 0) {
|
|
|
+ print_err("cannot register new framebuffer");
|
|
|
+ goto failed;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+
|
|
|
+failed:
|
|
|
+ if (fbdev->regs) {
|
|
|
+ release_mem_region(fbdev->regs_phys, fbdev->regs_len);
|
|
|
+ }
|
|
|
+ if (fbdev->fb_mem) {
|
|
|
+ dma_free_noncoherent(dev, fbdev->fb_len, fbdev->fb_mem, fbdev->fb_phys);
|
|
|
+ }
|
|
|
+ if (fbdev->info.cmap.len != 0) {
|
|
|
+ fb_dealloc_cmap(&fbdev->info.cmap);
|
|
|
+ }
|
|
|
+ kfree(fbdev);
|
|
|
+ dev_set_drvdata(dev, NULL);
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
+int au1100fb_drv_remove(struct device *dev)
|
|
|
+{
|
|
|
+ struct au1100fb_device *fbdev = NULL;
|
|
|
+
|
|
|
+ if (!dev)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ fbdev = (struct au1100fb_device*) dev_get_drvdata(dev);
|
|
|
+
|
|
|
+#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
|
|
|
+ au1100fb_fb_blank(VESA_POWERDOWN, &fbdev->info);
|
|
|
+#endif
|
|
|
+ fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
|
|
|
|
|
|
-void au1100fb_cleanup(struct fb_info *info)
|
|
|
+ /* Clean up all probe data */
|
|
|
+ unregister_framebuffer(&fbdev->info);
|
|
|
+
|
|
|
+ release_mem_region(fbdev->regs_phys, fbdev->regs_len);
|
|
|
+
|
|
|
+ dma_free_coherent(dev, PAGE_ALIGN(fbdev->fb_len), fbdev->fb_mem, fbdev->fb_phys);
|
|
|
+
|
|
|
+ fb_dealloc_cmap(&fbdev->info.cmap);
|
|
|
+ kfree(fbdev->info.pseudo_palette);
|
|
|
+ kfree((void*)fbdev);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int au1100fb_drv_suspend(struct device *dev, u32 state, u32 level)
|
|
|
+{
|
|
|
+ /* TODO */
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int au1100fb_drv_resume(struct device *dev, u32 level)
|
|
|
{
|
|
|
- unregister_framebuffer(info);
|
|
|
+ /* TODO */
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
+static struct device_driver au1100fb_driver = {
|
|
|
+ .name = "au1100-lcd",
|
|
|
+ .bus = &platform_bus_type,
|
|
|
|
|
|
-void au1100fb_setup(char *options, int *ints)
|
|
|
+ .probe = au1100fb_drv_probe,
|
|
|
+ .remove = au1100fb_drv_remove,
|
|
|
+ .suspend = au1100fb_drv_suspend,
|
|
|
+ .resume = au1100fb_drv_resume,
|
|
|
+};
|
|
|
+
|
|
|
+/*-------------------------------------------------------------------------*/
|
|
|
+
|
|
|
+/* Kernel driver */
|
|
|
+
|
|
|
+int au1100fb_setup(char *options)
|
|
|
{
|
|
|
char* this_opt;
|
|
|
- int i;
|
|
|
- int num_panels = sizeof(panels)/sizeof(struct known_lcd_panels);
|
|
|
+ int num_panels = ARRAY_SIZE(known_lcd_panels);
|
|
|
+ char* mode = NULL;
|
|
|
+ int panel_idx = 0;
|
|
|
|
|
|
+ if (num_panels <= 0) {
|
|
|
+ print_err("No LCD panels supported by driver!");
|
|
|
+ return -EFAULT;
|
|
|
+ }
|
|
|
|
|
|
- if (!options || !*options)
|
|
|
- return;
|
|
|
-
|
|
|
- for(this_opt=strtok(options, ","); this_opt;
|
|
|
- this_opt=strtok(NULL, ",")) {
|
|
|
+ if (options) {
|
|
|
+ while ((this_opt = strsep(&options,",")) != NULL) {
|
|
|
+ /* Panel option */
|
|
|
if (!strncmp(this_opt, "panel:", 6)) {
|
|
|
-#if defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100)
|
|
|
- /* Read Pb1100 Switch S10 ? */
|
|
|
- if (!strncmp(this_opt+6, "s10", 3))
|
|
|
- {
|
|
|
- int panel;
|
|
|
- panel = *(volatile int *)0xAE000008; /* BCSR SWITCHES */
|
|
|
- panel >>= 8;
|
|
|
- panel &= 0x0F;
|
|
|
- if (panel >= num_panels) panel = 0;
|
|
|
- my_lcd_index = panel;
|
|
|
- }
|
|
|
- else
|
|
|
-#endif
|
|
|
- /* Get the panel name, everything else if fixed */
|
|
|
- for (i=0; i<num_panels; i++) {
|
|
|
- if (!strncmp(this_opt+6, panels[i].panel_name,
|
|
|
+ int i;
|
|
|
+ this_opt += 6;
|
|
|
+ for (i = 0; i < num_panels; i++) {
|
|
|
+ if (!strncmp(this_opt,
|
|
|
+ known_lcd_panels[i].name,
|
|
|
strlen(this_opt))) {
|
|
|
- my_lcd_index = i;
|
|
|
+ panel_idx = i;
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
+ if (i >= num_panels) {
|
|
|
+ print_warn("Panel %s not supported!", this_opt);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /* Mode option (only option that start with digit) */
|
|
|
+ else if (isdigit(this_opt[0])) {
|
|
|
+ mode = kmalloc(strlen(this_opt) + 1, GFP_KERNEL);
|
|
|
+ strncpy(mode, this_opt, strlen(this_opt) + 1);
|
|
|
+ }
|
|
|
+ /* Unsupported option */
|
|
|
+ else {
|
|
|
+ print_warn("Unsupported option \"%s\"", this_opt);
|
|
|
}
|
|
|
- else if (!strncmp(this_opt, "nohwcursor", 10)) {
|
|
|
- printk("nohwcursor\n");
|
|
|
- fb_info.nohwcursor = 1;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
- printk("au1100fb: Panel %d %s\n", my_lcd_index,
|
|
|
- panels[my_lcd_index].panel_name);
|
|
|
-}
|
|
|
+ drv_info.panel_idx = panel_idx;
|
|
|
+ drv_info.opt_mode = mode;
|
|
|
|
|
|
+ print_info("Panel=%s Mode=%s",
|
|
|
+ known_lcd_panels[drv_info.panel_idx].name,
|
|
|
+ drv_info.opt_mode ? drv_info.opt_mode : "default");
|
|
|
|
|
|
+ return 0;
|
|
|
+}
|
|
|
|
|
|
-#ifdef MODULE
|
|
|
-MODULE_LICENSE("GPL");
|
|
|
-int init_module(void)
|
|
|
+int __init au1100fb_init(void)
|
|
|
{
|
|
|
- return au1100fb_init();
|
|
|
+ char* options;
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ print_info("" DRIVER_DESC "");
|
|
|
+
|
|
|
+ memset(&drv_info, 0, sizeof(drv_info));
|
|
|
+
|
|
|
+ if (fb_get_options(DRIVER_NAME, &options))
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ /* Setup driver with options */
|
|
|
+ ret = au1100fb_setup(options);
|
|
|
+ if (ret < 0) {
|
|
|
+ print_err("Fail to setup driver");
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+
|
|
|
+ return driver_register(&au1100fb_driver);
|
|
|
}
|
|
|
|
|
|
-void cleanup_module(void)
|
|
|
+void __exit au1100fb_cleanup(void)
|
|
|
{
|
|
|
- au1100fb_cleanup(void);
|
|
|
+ driver_unregister(&au1100fb_driver);
|
|
|
+
|
|
|
+ if (drv_info.opt_mode)
|
|
|
+ kfree(drv_info.opt_mode);
|
|
|
}
|
|
|
|
|
|
-MODULE_AUTHOR("Pete Popov <ppopov@mvista.com>");
|
|
|
-MODULE_DESCRIPTION("Au1100 LCD framebuffer device driver");
|
|
|
-#endif /* MODULE */
|
|
|
+module_init(au1100fb_init);
|
|
|
+module_exit(au1100fb_cleanup);
|
|
|
+
|
|
|
+MODULE_DESCRIPTION(DRIVER_DESC);
|
|
|
+MODULE_LICENSE("GPL");
|
Pete Popov