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@@ -1,1648 +0,0 @@
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-/*
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- * Epson Blizzard LCD controller driver
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- *
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- * Copyright (C) 2004-2005 Nokia Corporation
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- * Authors: Juha Yrjola <juha.yrjola@nokia.com>
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- * Imre Deak <imre.deak@nokia.com>
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- * YUV support: Jussi Laako <jussi.laako@nokia.com>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the
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- * Free Software Foundation; either version 2 of the License, or (at your
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- * option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License along
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- * with this program; if not, write to the Free Software Foundation, Inc.,
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- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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- */
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-#include <linux/module.h>
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-#include <linux/mm.h>
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-#include <linux/fb.h>
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-#include <linux/delay.h>
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-#include <linux/clk.h>
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-
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-#include <plat/dma.h>
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-#include <plat/blizzard.h>
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-
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-#include "omapfb.h"
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-#include "dispc.h"
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-
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-#define MODULE_NAME "blizzard"
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-
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-#define BLIZZARD_REV_CODE 0x00
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-#define BLIZZARD_CONFIG 0x02
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-#define BLIZZARD_PLL_DIV 0x04
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-#define BLIZZARD_PLL_LOCK_RANGE 0x06
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-#define BLIZZARD_PLL_CLOCK_SYNTH_0 0x08
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-#define BLIZZARD_PLL_CLOCK_SYNTH_1 0x0a
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-#define BLIZZARD_PLL_MODE 0x0c
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-#define BLIZZARD_CLK_SRC 0x0e
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-#define BLIZZARD_MEM_BANK0_ACTIVATE 0x10
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-#define BLIZZARD_MEM_BANK0_STATUS 0x14
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-#define BLIZZARD_PANEL_CONFIGURATION 0x28
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-#define BLIZZARD_HDISP 0x2a
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-#define BLIZZARD_HNDP 0x2c
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-#define BLIZZARD_VDISP0 0x2e
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-#define BLIZZARD_VDISP1 0x30
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-#define BLIZZARD_VNDP 0x32
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-#define BLIZZARD_HSW 0x34
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-#define BLIZZARD_VSW 0x38
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-#define BLIZZARD_DISPLAY_MODE 0x68
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-#define BLIZZARD_INPUT_WIN_X_START_0 0x6c
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-#define BLIZZARD_DATA_SOURCE_SELECT 0x8e
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-#define BLIZZARD_DISP_MEM_DATA_PORT 0x90
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-#define BLIZZARD_DISP_MEM_READ_ADDR0 0x92
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-#define BLIZZARD_POWER_SAVE 0xE6
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-#define BLIZZARD_NDISP_CTRL_STATUS 0xE8
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-
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-/* Data source select */
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-/* For S1D13745 */
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-#define BLIZZARD_SRC_WRITE_LCD_BACKGROUND 0x00
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-#define BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE 0x01
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-#define BLIZZARD_SRC_WRITE_OVERLAY_ENABLE 0x04
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-#define BLIZZARD_SRC_DISABLE_OVERLAY 0x05
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-/* For S1D13744 */
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-#define BLIZZARD_SRC_WRITE_LCD 0x00
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-#define BLIZZARD_SRC_BLT_LCD 0x06
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-
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-#define BLIZZARD_COLOR_RGB565 0x01
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-#define BLIZZARD_COLOR_YUV420 0x09
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-
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-#define BLIZZARD_VERSION_S1D13745 0x01 /* Hailstorm */
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-#define BLIZZARD_VERSION_S1D13744 0x02 /* Blizzard */
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-
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-#define BLIZZARD_AUTO_UPDATE_TIME (HZ / 20)
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-
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-/* Reserve 4 request slots for requests in irq context */
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-#define REQ_POOL_SIZE 24
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-#define IRQ_REQ_POOL_SIZE 4
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-
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-#define REQ_FROM_IRQ_POOL 0x01
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-
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-#define REQ_COMPLETE 0
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-#define REQ_PENDING 1
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-
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-struct blizzard_reg_list {
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- int start;
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- int end;
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-};
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-
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-/* These need to be saved / restored separately from the rest. */
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-static const struct blizzard_reg_list blizzard_pll_regs[] = {
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- {
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- .start = 0x04, /* Don't save PLL ctrl (0x0C) */
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- .end = 0x0a,
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- },
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- {
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- .start = 0x0e, /* Clock configuration */
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- .end = 0x0e,
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- },
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-};
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-
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-static const struct blizzard_reg_list blizzard_gen_regs[] = {
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- {
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- .start = 0x18, /* SDRAM control */
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- .end = 0x20,
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- },
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- {
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- .start = 0x28, /* LCD Panel configuration */
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- .end = 0x5a, /* HSSI interface, TV configuration */
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- },
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-};
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-
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-static u8 blizzard_reg_cache[0x5a / 2];
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-
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-struct update_param {
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- int plane;
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- int x, y, width, height;
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- int out_x, out_y;
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- int out_width, out_height;
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- int color_mode;
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- int bpp;
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- int flags;
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-};
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-
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-struct blizzard_request {
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- struct list_head entry;
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- unsigned int flags;
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-
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- int (*handler)(struct blizzard_request *req);
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- void (*complete)(void *data);
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- void *complete_data;
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-
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- union {
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- struct update_param update;
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- struct completion *sync;
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- } par;
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-};
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-
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-struct plane_info {
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- unsigned long offset;
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- int pos_x, pos_y;
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- int width, height;
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- int out_width, out_height;
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- int scr_width;
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- int color_mode;
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- int bpp;
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-};
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-
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-struct blizzard_struct {
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- enum omapfb_update_mode update_mode;
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- enum omapfb_update_mode update_mode_before_suspend;
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-
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- struct timer_list auto_update_timer;
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- int stop_auto_update;
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- struct omapfb_update_window auto_update_window;
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- int enabled_planes;
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- int vid_nonstd_color;
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- int vid_scaled;
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- int last_color_mode;
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- int zoom_on;
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- int zoom_area_gx1;
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- int zoom_area_gx2;
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- int zoom_area_gy1;
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- int zoom_area_gy2;
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- int screen_width;
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- int screen_height;
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- unsigned te_connected:1;
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- unsigned vsync_only:1;
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-
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- struct plane_info plane[OMAPFB_PLANE_NUM];
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-
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- struct blizzard_request req_pool[REQ_POOL_SIZE];
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- struct list_head pending_req_list;
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- struct list_head free_req_list;
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- struct semaphore req_sema;
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- spinlock_t req_lock;
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-
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- unsigned long sys_ck_rate;
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- struct extif_timings reg_timings, lut_timings;
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-
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- u32 max_transmit_size;
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- u32 extif_clk_period;
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- int extif_clk_div;
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- unsigned long pix_tx_time;
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- unsigned long line_upd_time;
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-
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- struct omapfb_device *fbdev;
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- struct lcd_ctrl_extif *extif;
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- const struct lcd_ctrl *int_ctrl;
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-
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- void (*power_up)(struct device *dev);
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- void (*power_down)(struct device *dev);
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-
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- int version;
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-} blizzard;
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-
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-struct lcd_ctrl blizzard_ctrl;
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-
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-static u8 blizzard_read_reg(u8 reg)
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-{
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- u8 data;
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-
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- blizzard.extif->set_bits_per_cycle(8);
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- blizzard.extif->write_command(®, 1);
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- blizzard.extif->read_data(&data, 1);
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-
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- return data;
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-}
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-
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-static void blizzard_write_reg(u8 reg, u8 val)
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-{
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- blizzard.extif->set_bits_per_cycle(8);
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- blizzard.extif->write_command(®, 1);
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- blizzard.extif->write_data(&val, 1);
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-}
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-
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-static void blizzard_restart_sdram(void)
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-{
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- unsigned long tmo;
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-
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- blizzard_write_reg(BLIZZARD_MEM_BANK0_ACTIVATE, 0);
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- udelay(50);
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- blizzard_write_reg(BLIZZARD_MEM_BANK0_ACTIVATE, 1);
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- tmo = jiffies + msecs_to_jiffies(200);
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- while (!(blizzard_read_reg(BLIZZARD_MEM_BANK0_STATUS) & 0x01)) {
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- if (time_after(jiffies, tmo)) {
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- dev_err(blizzard.fbdev->dev,
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- "s1d1374x: SDRAM not ready\n");
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- break;
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- }
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- msleep(1);
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- }
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-}
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-
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-static void blizzard_stop_sdram(void)
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-{
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- blizzard_write_reg(BLIZZARD_MEM_BANK0_ACTIVATE, 0);
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-}
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-
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-/* Wait until the last window was completely written into the controllers
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- * SDRAM and we can start transferring the next window.
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- */
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-static void blizzard_wait_line_buffer(void)
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-{
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- unsigned long tmo = jiffies + msecs_to_jiffies(30);
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-
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- while (blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS) & (1 << 7)) {
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- if (time_after(jiffies, tmo)) {
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- if (printk_ratelimit())
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- dev_err(blizzard.fbdev->dev,
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- "s1d1374x: line buffer not ready\n");
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- break;
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- }
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- }
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-}
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-
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-/* Wait until the YYC color space converter is idle. */
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-static void blizzard_wait_yyc(void)
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-{
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- unsigned long tmo = jiffies + msecs_to_jiffies(30);
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-
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- while (blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS) & (1 << 4)) {
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- if (time_after(jiffies, tmo)) {
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- if (printk_ratelimit())
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- dev_err(blizzard.fbdev->dev,
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- "s1d1374x: YYC not ready\n");
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- break;
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- }
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- }
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-}
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-
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-static void disable_overlay(void)
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-{
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- blizzard_write_reg(BLIZZARD_DATA_SOURCE_SELECT,
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- BLIZZARD_SRC_DISABLE_OVERLAY);
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-}
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-
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-static void set_window_regs(int x_start, int y_start, int x_end, int y_end,
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- int x_out_start, int y_out_start,
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- int x_out_end, int y_out_end, int color_mode,
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- int zoom_off, int flags)
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-{
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- u8 tmp[18];
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- u8 cmd;
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-
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- x_end--;
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- y_end--;
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- tmp[0] = x_start;
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- tmp[1] = x_start >> 8;
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- tmp[2] = y_start;
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- tmp[3] = y_start >> 8;
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- tmp[4] = x_end;
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- tmp[5] = x_end >> 8;
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- tmp[6] = y_end;
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- tmp[7] = y_end >> 8;
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-
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- x_out_end--;
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- y_out_end--;
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- tmp[8] = x_out_start;
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- tmp[9] = x_out_start >> 8;
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- tmp[10] = y_out_start;
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- tmp[11] = y_out_start >> 8;
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- tmp[12] = x_out_end;
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- tmp[13] = x_out_end >> 8;
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- tmp[14] = y_out_end;
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- tmp[15] = y_out_end >> 8;
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-
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- tmp[16] = color_mode;
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- if (zoom_off && blizzard.version == BLIZZARD_VERSION_S1D13745)
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- tmp[17] = BLIZZARD_SRC_WRITE_LCD_BACKGROUND;
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- else if (flags & OMAPFB_FORMAT_FLAG_ENABLE_OVERLAY)
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- tmp[17] = BLIZZARD_SRC_WRITE_OVERLAY_ENABLE;
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- else
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- tmp[17] = blizzard.version == BLIZZARD_VERSION_S1D13744 ?
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- BLIZZARD_SRC_WRITE_LCD :
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- BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE;
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-
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- blizzard.extif->set_bits_per_cycle(8);
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- cmd = BLIZZARD_INPUT_WIN_X_START_0;
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- blizzard.extif->write_command(&cmd, 1);
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- blizzard.extif->write_data(tmp, 18);
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-}
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-
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-static void enable_tearsync(int y, int width, int height, int screen_height,
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- int out_height, int force_vsync)
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-{
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- u8 b;
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-
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- b = blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS);
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- b |= 1 << 3;
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- blizzard_write_reg(BLIZZARD_NDISP_CTRL_STATUS, b);
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-
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- if (likely(blizzard.vsync_only || force_vsync)) {
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- blizzard.extif->enable_tearsync(1, 0);
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- return;
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- }
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-
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- if (width * blizzard.pix_tx_time < blizzard.line_upd_time) {
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- blizzard.extif->enable_tearsync(1, 0);
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- return;
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- }
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-
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- if ((width * blizzard.pix_tx_time / 1000) * height <
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- (y + out_height) * (blizzard.line_upd_time / 1000)) {
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- blizzard.extif->enable_tearsync(1, 0);
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- return;
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- }
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-
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- blizzard.extif->enable_tearsync(1, y + 1);
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-}
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-
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-static void disable_tearsync(void)
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-{
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- u8 b;
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-
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- blizzard.extif->enable_tearsync(0, 0);
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- b = blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS);
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- b &= ~(1 << 3);
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- blizzard_write_reg(BLIZZARD_NDISP_CTRL_STATUS, b);
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- b = blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS);
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-}
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-
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-static inline void set_extif_timings(const struct extif_timings *t);
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-
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-static inline struct blizzard_request *alloc_req(void)
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-{
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- unsigned long flags;
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- struct blizzard_request *req;
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- int req_flags = 0;
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-
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- if (!in_interrupt())
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- down(&blizzard.req_sema);
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- else
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- req_flags = REQ_FROM_IRQ_POOL;
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-
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- spin_lock_irqsave(&blizzard.req_lock, flags);
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- BUG_ON(list_empty(&blizzard.free_req_list));
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- req = list_entry(blizzard.free_req_list.next,
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- struct blizzard_request, entry);
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- list_del(&req->entry);
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- spin_unlock_irqrestore(&blizzard.req_lock, flags);
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-
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- INIT_LIST_HEAD(&req->entry);
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- req->flags = req_flags;
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-
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- return req;
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-}
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-
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-static inline void free_req(struct blizzard_request *req)
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-{
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- unsigned long flags;
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-
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|
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- spin_lock_irqsave(&blizzard.req_lock, flags);
|
|
|
-
|
|
|
- list_move(&req->entry, &blizzard.free_req_list);
|
|
|
- if (!(req->flags & REQ_FROM_IRQ_POOL))
|
|
|
- up(&blizzard.req_sema);
|
|
|
-
|
|
|
- spin_unlock_irqrestore(&blizzard.req_lock, flags);
|
|
|
-}
|
|
|
-
|
|
|
-static void process_pending_requests(void)
|
|
|
-{
|
|
|
- unsigned long flags;
|
|
|
-
|
|
|
- spin_lock_irqsave(&blizzard.req_lock, flags);
|
|
|
-
|
|
|
- while (!list_empty(&blizzard.pending_req_list)) {
|
|
|
- struct blizzard_request *req;
|
|
|
- void (*complete)(void *);
|
|
|
- void *complete_data;
|
|
|
-
|
|
|
- req = list_entry(blizzard.pending_req_list.next,
|
|
|
- struct blizzard_request, entry);
|
|
|
- spin_unlock_irqrestore(&blizzard.req_lock, flags);
|
|
|
-
|
|
|
- if (req->handler(req) == REQ_PENDING)
|
|
|
- return;
|
|
|
-
|
|
|
- complete = req->complete;
|
|
|
- complete_data = req->complete_data;
|
|
|
- free_req(req);
|
|
|
-
|
|
|
- if (complete)
|
|
|
- complete(complete_data);
|
|
|
-
|
|
|
- spin_lock_irqsave(&blizzard.req_lock, flags);
|
|
|
- }
|
|
|
-
|
|
|
- spin_unlock_irqrestore(&blizzard.req_lock, flags);
|
|
|
-}
|
|
|
-
|
|
|
-static void submit_req_list(struct list_head *head)
|
|
|
-{
|
|
|
- unsigned long flags;
|
|
|
- int process = 1;
|
|
|
-
|
|
|
- spin_lock_irqsave(&blizzard.req_lock, flags);
|
|
|
- if (likely(!list_empty(&blizzard.pending_req_list)))
|
|
|
- process = 0;
|
|
|
- list_splice_init(head, blizzard.pending_req_list.prev);
|
|
|
- spin_unlock_irqrestore(&blizzard.req_lock, flags);
|
|
|
-
|
|
|
- if (process)
|
|
|
- process_pending_requests();
|
|
|
-}
|
|
|
-
|
|
|
-static void request_complete(void *data)
|
|
|
-{
|
|
|
- struct blizzard_request *req = (struct blizzard_request *)data;
|
|
|
- void (*complete)(void *);
|
|
|
- void *complete_data;
|
|
|
-
|
|
|
- complete = req->complete;
|
|
|
- complete_data = req->complete_data;
|
|
|
-
|
|
|
- free_req(req);
|
|
|
-
|
|
|
- if (complete)
|
|
|
- complete(complete_data);
|
|
|
-
|
|
|
- process_pending_requests();
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-static int do_full_screen_update(struct blizzard_request *req)
|
|
|
-{
|
|
|
- int i;
|
|
|
- int flags;
|
|
|
-
|
|
|
- for (i = 0; i < 3; i++) {
|
|
|
- struct plane_info *p = &blizzard.plane[i];
|
|
|
- if (!(blizzard.enabled_planes & (1 << i))) {
|
|
|
- blizzard.int_ctrl->enable_plane(i, 0);
|
|
|
- continue;
|
|
|
- }
|
|
|
- dev_dbg(blizzard.fbdev->dev, "pw %d ph %d\n",
|
|
|
- p->width, p->height);
|
|
|
- blizzard.int_ctrl->setup_plane(i,
|
|
|
- OMAPFB_CHANNEL_OUT_LCD, p->offset,
|
|
|
- p->scr_width, p->pos_x, p->pos_y,
|
|
|
- p->width, p->height,
|
|
|
- p->color_mode);
|
|
|
- blizzard.int_ctrl->enable_plane(i, 1);
|
|
|
- }
|
|
|
-
|
|
|
- dev_dbg(blizzard.fbdev->dev, "sw %d sh %d\n",
|
|
|
- blizzard.screen_width, blizzard.screen_height);
|
|
|
- blizzard_wait_line_buffer();
|
|
|
- flags = req->par.update.flags;
|
|
|
- if (flags & OMAPFB_FORMAT_FLAG_TEARSYNC)
|
|
|
- enable_tearsync(0, blizzard.screen_width,
|
|
|
- blizzard.screen_height,
|
|
|
- blizzard.screen_height,
|
|
|
- blizzard.screen_height,
|
|
|
- flags & OMAPFB_FORMAT_FLAG_FORCE_VSYNC);
|
|
|
- else
|
|
|
- disable_tearsync();
|
|
|
-
|
|
|
- set_window_regs(0, 0, blizzard.screen_width, blizzard.screen_height,
|
|
|
- 0, 0, blizzard.screen_width, blizzard.screen_height,
|
|
|
- BLIZZARD_COLOR_RGB565, blizzard.zoom_on, flags);
|
|
|
- blizzard.zoom_on = 0;
|
|
|
-
|
|
|
- blizzard.extif->set_bits_per_cycle(16);
|
|
|
- /* set_window_regs has left the register index at the right
|
|
|
- * place, so no need to set it here.
|
|
|
- */
|
|
|
- blizzard.extif->transfer_area(blizzard.screen_width,
|
|
|
- blizzard.screen_height,
|
|
|
- request_complete, req);
|
|
|
- return REQ_PENDING;
|
|
|
-}
|
|
|
-
|
|
|
-static int check_1d_intersect(int a1, int a2, int b1, int b2)
|
|
|
-{
|
|
|
- if (a2 <= b1 || b2 <= a1)
|
|
|
- return 0;
|
|
|
- return 1;
|
|
|
-}
|
|
|
-
|
|
|
-/* Setup all planes with an overlapping area with the update window. */
|
|
|
-static int do_partial_update(struct blizzard_request *req, int plane,
|
|
|
- int x, int y, int w, int h,
|
|
|
- int x_out, int y_out, int w_out, int h_out,
|
|
|
- int wnd_color_mode, int bpp)
|
|
|
-{
|
|
|
- int i;
|
|
|
- int gx1, gy1, gx2, gy2;
|
|
|
- int gx1_out, gy1_out, gx2_out, gy2_out;
|
|
|
- int color_mode;
|
|
|
- int flags;
|
|
|
- int zoom_off;
|
|
|
- int have_zoom_for_this_update = 0;
|
|
|
-
|
|
|
- /* Global coordinates, relative to pixel 0,0 of the LCD */
|
|
|
- gx1 = x + blizzard.plane[plane].pos_x;
|
|
|
- gy1 = y + blizzard.plane[plane].pos_y;
|
|
|
- gx2 = gx1 + w;
|
|
|
- gy2 = gy1 + h;
|
|
|
-
|
|
|
- flags = req->par.update.flags;
|
|
|
- if (flags & OMAPFB_FORMAT_FLAG_DOUBLE) {
|
|
|
- gx1_out = gx1;
|
|
|
- gy1_out = gy1;
|
|
|
- gx2_out = gx1 + w * 2;
|
|
|
- gy2_out = gy1 + h * 2;
|
|
|
- } else {
|
|
|
- gx1_out = x_out + blizzard.plane[plane].pos_x;
|
|
|
- gy1_out = y_out + blizzard.plane[plane].pos_y;
|
|
|
- gx2_out = gx1_out + w_out;
|
|
|
- gy2_out = gy1_out + h_out;
|
|
|
- }
|
|
|
-
|
|
|
- for (i = 0; i < OMAPFB_PLANE_NUM; i++) {
|
|
|
- struct plane_info *p = &blizzard.plane[i];
|
|
|
- int px1, py1;
|
|
|
- int px2, py2;
|
|
|
- int pw, ph;
|
|
|
- int pposx, pposy;
|
|
|
- unsigned long offset;
|
|
|
-
|
|
|
- if (!(blizzard.enabled_planes & (1 << i)) ||
|
|
|
- (wnd_color_mode && i != plane)) {
|
|
|
- blizzard.int_ctrl->enable_plane(i, 0);
|
|
|
- continue;
|
|
|
- }
|
|
|
- /* Plane coordinates */
|
|
|
- if (i == plane) {
|
|
|
- /* Plane in which we are doing the update.
|
|
|
- * Local coordinates are the one in the update
|
|
|
- * request.
|
|
|
- */
|
|
|
- px1 = x;
|
|
|
- py1 = y;
|
|
|
- px2 = x + w;
|
|
|
- py2 = y + h;
|
|
|
- pposx = 0;
|
|
|
- pposy = 0;
|
|
|
- } else {
|
|
|
- /* Check if this plane has an overlapping part */
|
|
|
- px1 = gx1 - p->pos_x;
|
|
|
- py1 = gy1 - p->pos_y;
|
|
|
- px2 = gx2 - p->pos_x;
|
|
|
- py2 = gy2 - p->pos_y;
|
|
|
- if (px1 >= p->width || py1 >= p->height ||
|
|
|
- px2 <= 0 || py2 <= 0) {
|
|
|
- blizzard.int_ctrl->enable_plane(i, 0);
|
|
|
- continue;
|
|
|
- }
|
|
|
- /* Calculate the coordinates for the overlapping
|
|
|
- * part in the plane's local coordinates.
|
|
|
- */
|
|
|
- pposx = -px1;
|
|
|
- pposy = -py1;
|
|
|
- if (px1 < 0)
|
|
|
- px1 = 0;
|
|
|
- if (py1 < 0)
|
|
|
- py1 = 0;
|
|
|
- if (px2 > p->width)
|
|
|
- px2 = p->width;
|
|
|
- if (py2 > p->height)
|
|
|
- py2 = p->height;
|
|
|
- if (pposx < 0)
|
|
|
- pposx = 0;
|
|
|
- if (pposy < 0)
|
|
|
- pposy = 0;
|
|
|
- }
|
|
|
- pw = px2 - px1;
|
|
|
- ph = py2 - py1;
|
|
|
- offset = p->offset + (p->scr_width * py1 + px1) * p->bpp / 8;
|
|
|
- if (wnd_color_mode)
|
|
|
- /* Window embedded in the plane with a differing
|
|
|
- * color mode / bpp. Calculate the number of DMA
|
|
|
- * transfer elements in terms of the plane's bpp.
|
|
|
- */
|
|
|
- pw = (pw + 1) * bpp / p->bpp;
|
|
|
-#ifdef VERBOSE
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "plane %d offset %#08lx pposx %d pposy %d "
|
|
|
- "px1 %d py1 %d pw %d ph %d\n",
|
|
|
- i, offset, pposx, pposy, px1, py1, pw, ph);
|
|
|
-#endif
|
|
|
- blizzard.int_ctrl->setup_plane(i,
|
|
|
- OMAPFB_CHANNEL_OUT_LCD, offset,
|
|
|
- p->scr_width,
|
|
|
- pposx, pposy, pw, ph,
|
|
|
- p->color_mode);
|
|
|
-
|
|
|
- blizzard.int_ctrl->enable_plane(i, 1);
|
|
|
- }
|
|
|
-
|
|
|
- switch (wnd_color_mode) {
|
|
|
- case OMAPFB_COLOR_YUV420:
|
|
|
- color_mode = BLIZZARD_COLOR_YUV420;
|
|
|
- /* Currently only the 16 bits/pixel cycle format is
|
|
|
- * supported on the external interface. Adjust the number
|
|
|
- * of transfer elements per line for 12bpp format.
|
|
|
- */
|
|
|
- w = (w + 1) * 3 / 4;
|
|
|
- break;
|
|
|
- default:
|
|
|
- color_mode = BLIZZARD_COLOR_RGB565;
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- blizzard_wait_line_buffer();
|
|
|
- if (blizzard.last_color_mode == BLIZZARD_COLOR_YUV420)
|
|
|
- blizzard_wait_yyc();
|
|
|
- blizzard.last_color_mode = color_mode;
|
|
|
- if (flags & OMAPFB_FORMAT_FLAG_TEARSYNC)
|
|
|
- enable_tearsync(gy1, w, h,
|
|
|
- blizzard.screen_height,
|
|
|
- h_out,
|
|
|
- flags & OMAPFB_FORMAT_FLAG_FORCE_VSYNC);
|
|
|
- else
|
|
|
- disable_tearsync();
|
|
|
-
|
|
|
- if ((gx2_out - gx1_out) != (gx2 - gx1) ||
|
|
|
- (gy2_out - gy1_out) != (gy2 - gy1))
|
|
|
- have_zoom_for_this_update = 1;
|
|
|
-
|
|
|
- /* 'background' type of screen update (as opposed to 'destructive')
|
|
|
- can be used to disable scaling if scaling is active */
|
|
|
- zoom_off = blizzard.zoom_on && !have_zoom_for_this_update &&
|
|
|
- (gx1_out == 0) && (gx2_out == blizzard.screen_width) &&
|
|
|
- (gy1_out == 0) && (gy2_out == blizzard.screen_height) &&
|
|
|
- (gx1 == 0) && (gy1 == 0);
|
|
|
-
|
|
|
- if (blizzard.zoom_on && !have_zoom_for_this_update && !zoom_off &&
|
|
|
- check_1d_intersect(blizzard.zoom_area_gx1, blizzard.zoom_area_gx2,
|
|
|
- gx1_out, gx2_out) &&
|
|
|
- check_1d_intersect(blizzard.zoom_area_gy1, blizzard.zoom_area_gy2,
|
|
|
- gy1_out, gy2_out)) {
|
|
|
- /* Previous screen update was using scaling, current update
|
|
|
- * is not using it. Additionally, current screen update is
|
|
|
- * going to overlap with the scaled area. Scaling needs to be
|
|
|
- * disabled in order to avoid 'magnifying glass' effect.
|
|
|
- * Dummy setup of background window can be used for this.
|
|
|
- */
|
|
|
- set_window_regs(0, 0, blizzard.screen_width,
|
|
|
- blizzard.screen_height,
|
|
|
- 0, 0, blizzard.screen_width,
|
|
|
- blizzard.screen_height,
|
|
|
- BLIZZARD_COLOR_RGB565, 1, flags);
|
|
|
- blizzard.zoom_on = 0;
|
|
|
- }
|
|
|
-
|
|
|
- /* remember scaling settings if we have scaled update */
|
|
|
- if (have_zoom_for_this_update) {
|
|
|
- blizzard.zoom_on = 1;
|
|
|
- blizzard.zoom_area_gx1 = gx1_out;
|
|
|
- blizzard.zoom_area_gx2 = gx2_out;
|
|
|
- blizzard.zoom_area_gy1 = gy1_out;
|
|
|
- blizzard.zoom_area_gy2 = gy2_out;
|
|
|
- }
|
|
|
-
|
|
|
- set_window_regs(gx1, gy1, gx2, gy2, gx1_out, gy1_out, gx2_out, gy2_out,
|
|
|
- color_mode, zoom_off, flags);
|
|
|
- if (zoom_off)
|
|
|
- blizzard.zoom_on = 0;
|
|
|
-
|
|
|
- blizzard.extif->set_bits_per_cycle(16);
|
|
|
- /* set_window_regs has left the register index at the right
|
|
|
- * place, so no need to set it here.
|
|
|
- */
|
|
|
- blizzard.extif->transfer_area(w, h, request_complete, req);
|
|
|
-
|
|
|
- return REQ_PENDING;
|
|
|
-}
|
|
|
-
|
|
|
-static int send_frame_handler(struct blizzard_request *req)
|
|
|
-{
|
|
|
- struct update_param *par = &req->par.update;
|
|
|
- int plane = par->plane;
|
|
|
-
|
|
|
-#ifdef VERBOSE
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "send_frame: x %d y %d w %d h %d "
|
|
|
- "x_out %d y_out %d w_out %d h_out %d "
|
|
|
- "color_mode %04x flags %04x planes %01x\n",
|
|
|
- par->x, par->y, par->width, par->height,
|
|
|
- par->out_x, par->out_y, par->out_width, par->out_height,
|
|
|
- par->color_mode, par->flags, blizzard.enabled_planes);
|
|
|
-#endif
|
|
|
- if (par->flags & OMAPFB_FORMAT_FLAG_DISABLE_OVERLAY)
|
|
|
- disable_overlay();
|
|
|
-
|
|
|
- if ((blizzard.enabled_planes & blizzard.vid_nonstd_color) ||
|
|
|
- (blizzard.enabled_planes & blizzard.vid_scaled))
|
|
|
- return do_full_screen_update(req);
|
|
|
-
|
|
|
- return do_partial_update(req, plane, par->x, par->y,
|
|
|
- par->width, par->height,
|
|
|
- par->out_x, par->out_y,
|
|
|
- par->out_width, par->out_height,
|
|
|
- par->color_mode, par->bpp);
|
|
|
-}
|
|
|
-
|
|
|
-static void send_frame_complete(void *data)
|
|
|
-{
|
|
|
-}
|
|
|
-
|
|
|
-#define ADD_PREQ(_x, _y, _w, _h, _x_out, _y_out, _w_out, _h_out) do { \
|
|
|
- req = alloc_req(); \
|
|
|
- req->handler = send_frame_handler; \
|
|
|
- req->complete = send_frame_complete; \
|
|
|
- req->par.update.plane = plane_idx; \
|
|
|
- req->par.update.x = _x; \
|
|
|
- req->par.update.y = _y; \
|
|
|
- req->par.update.width = _w; \
|
|
|
- req->par.update.height = _h; \
|
|
|
- req->par.update.out_x = _x_out; \
|
|
|
- req->par.update.out_y = _y_out; \
|
|
|
- req->par.update.out_width = _w_out; \
|
|
|
- req->par.update.out_height = _h_out; \
|
|
|
- req->par.update.bpp = bpp; \
|
|
|
- req->par.update.color_mode = color_mode;\
|
|
|
- req->par.update.flags = flags; \
|
|
|
- list_add_tail(&req->entry, req_head); \
|
|
|
-} while(0)
|
|
|
-
|
|
|
-static void create_req_list(int plane_idx,
|
|
|
- struct omapfb_update_window *win,
|
|
|
- struct list_head *req_head)
|
|
|
-{
|
|
|
- struct blizzard_request *req;
|
|
|
- int x = win->x;
|
|
|
- int y = win->y;
|
|
|
- int width = win->width;
|
|
|
- int height = win->height;
|
|
|
- int x_out = win->out_x;
|
|
|
- int y_out = win->out_y;
|
|
|
- int width_out = win->out_width;
|
|
|
- int height_out = win->out_height;
|
|
|
- int color_mode;
|
|
|
- int bpp;
|
|
|
- int flags;
|
|
|
- unsigned int ystart = y;
|
|
|
- unsigned int yspan = height;
|
|
|
- unsigned int ystart_out = y_out;
|
|
|
- unsigned int yspan_out = height_out;
|
|
|
-
|
|
|
- flags = win->format & ~OMAPFB_FORMAT_MASK;
|
|
|
- color_mode = win->format & OMAPFB_FORMAT_MASK;
|
|
|
- switch (color_mode) {
|
|
|
- case OMAPFB_COLOR_YUV420:
|
|
|
- /* Embedded window with different color mode */
|
|
|
- bpp = 12;
|
|
|
- /* X, Y, height must be aligned at 2, width at 4 pixels */
|
|
|
- x &= ~1;
|
|
|
- y &= ~1;
|
|
|
- height = yspan = height & ~1;
|
|
|
- width = width & ~3;
|
|
|
- break;
|
|
|
- default:
|
|
|
- /* Same as the plane color mode */
|
|
|
- bpp = blizzard.plane[plane_idx].bpp;
|
|
|
- break;
|
|
|
- }
|
|
|
- if (width * height * bpp / 8 > blizzard.max_transmit_size) {
|
|
|
- yspan = blizzard.max_transmit_size / (width * bpp / 8);
|
|
|
- yspan_out = yspan * height_out / height;
|
|
|
- ADD_PREQ(x, ystart, width, yspan, x_out, ystart_out,
|
|
|
- width_out, yspan_out);
|
|
|
- ystart += yspan;
|
|
|
- ystart_out += yspan_out;
|
|
|
- yspan = height - yspan;
|
|
|
- yspan_out = height_out - yspan_out;
|
|
|
- flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
|
|
|
- }
|
|
|
-
|
|
|
- ADD_PREQ(x, ystart, width, yspan, x_out, ystart_out,
|
|
|
- width_out, yspan_out);
|
|
|
-}
|
|
|
-
|
|
|
-static void auto_update_complete(void *data)
|
|
|
-{
|
|
|
- if (!blizzard.stop_auto_update)
|
|
|
- mod_timer(&blizzard.auto_update_timer,
|
|
|
- jiffies + BLIZZARD_AUTO_UPDATE_TIME);
|
|
|
-}
|
|
|
-
|
|
|
-static void blizzard_update_window_auto(unsigned long arg)
|
|
|
-{
|
|
|
- LIST_HEAD(req_list);
|
|
|
- struct blizzard_request *last;
|
|
|
- struct omapfb_plane_struct *plane;
|
|
|
-
|
|
|
- plane = blizzard.fbdev->fb_info[0]->par;
|
|
|
- create_req_list(plane->idx,
|
|
|
- &blizzard.auto_update_window, &req_list);
|
|
|
- last = list_entry(req_list.prev, struct blizzard_request, entry);
|
|
|
-
|
|
|
- last->complete = auto_update_complete;
|
|
|
- last->complete_data = NULL;
|
|
|
-
|
|
|
- submit_req_list(&req_list);
|
|
|
-}
|
|
|
-
|
|
|
-int blizzard_update_window_async(struct fb_info *fbi,
|
|
|
- struct omapfb_update_window *win,
|
|
|
- void (*complete_callback)(void *arg),
|
|
|
- void *complete_callback_data)
|
|
|
-{
|
|
|
- LIST_HEAD(req_list);
|
|
|
- struct blizzard_request *last;
|
|
|
- struct omapfb_plane_struct *plane = fbi->par;
|
|
|
-
|
|
|
- if (unlikely(blizzard.update_mode != OMAPFB_MANUAL_UPDATE))
|
|
|
- return -EINVAL;
|
|
|
- if (unlikely(!blizzard.te_connected &&
|
|
|
- (win->format & OMAPFB_FORMAT_FLAG_TEARSYNC)))
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- create_req_list(plane->idx, win, &req_list);
|
|
|
- last = list_entry(req_list.prev, struct blizzard_request, entry);
|
|
|
-
|
|
|
- last->complete = complete_callback;
|
|
|
- last->complete_data = (void *)complete_callback_data;
|
|
|
-
|
|
|
- submit_req_list(&req_list);
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL(blizzard_update_window_async);
|
|
|
-
|
|
|
-static int update_full_screen(void)
|
|
|
-{
|
|
|
- return blizzard_update_window_async(blizzard.fbdev->fb_info[0],
|
|
|
- &blizzard.auto_update_window, NULL, NULL);
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-static int blizzard_setup_plane(int plane, int channel_out,
|
|
|
- unsigned long offset, int screen_width,
|
|
|
- int pos_x, int pos_y, int width, int height,
|
|
|
- int color_mode)
|
|
|
-{
|
|
|
- struct plane_info *p;
|
|
|
-
|
|
|
-#ifdef VERBOSE
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "plane %d ch_out %d offset %#08lx scr_width %d "
|
|
|
- "pos_x %d pos_y %d width %d height %d color_mode %d\n",
|
|
|
- plane, channel_out, offset, screen_width,
|
|
|
- pos_x, pos_y, width, height, color_mode);
|
|
|
-#endif
|
|
|
- if ((unsigned)plane > OMAPFB_PLANE_NUM)
|
|
|
- return -EINVAL;
|
|
|
- p = &blizzard.plane[plane];
|
|
|
-
|
|
|
- switch (color_mode) {
|
|
|
- case OMAPFB_COLOR_YUV422:
|
|
|
- case OMAPFB_COLOR_YUY422:
|
|
|
- p->bpp = 16;
|
|
|
- blizzard.vid_nonstd_color &= ~(1 << plane);
|
|
|
- break;
|
|
|
- case OMAPFB_COLOR_YUV420:
|
|
|
- p->bpp = 12;
|
|
|
- blizzard.vid_nonstd_color |= 1 << plane;
|
|
|
- break;
|
|
|
- case OMAPFB_COLOR_RGB565:
|
|
|
- p->bpp = 16;
|
|
|
- blizzard.vid_nonstd_color &= ~(1 << plane);
|
|
|
- break;
|
|
|
- default:
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
-
|
|
|
- p->offset = offset;
|
|
|
- p->pos_x = pos_x;
|
|
|
- p->pos_y = pos_y;
|
|
|
- p->width = width;
|
|
|
- p->height = height;
|
|
|
- p->scr_width = screen_width;
|
|
|
- if (!p->out_width)
|
|
|
- p->out_width = width;
|
|
|
- if (!p->out_height)
|
|
|
- p->out_height = height;
|
|
|
-
|
|
|
- p->color_mode = color_mode;
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int blizzard_set_scale(int plane, int orig_w, int orig_h,
|
|
|
- int out_w, int out_h)
|
|
|
-{
|
|
|
- struct plane_info *p = &blizzard.plane[plane];
|
|
|
- int r;
|
|
|
-
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "plane %d orig_w %d orig_h %d out_w %d out_h %d\n",
|
|
|
- plane, orig_w, orig_h, out_w, out_h);
|
|
|
- if ((unsigned)plane > OMAPFB_PLANE_NUM)
|
|
|
- return -ENODEV;
|
|
|
-
|
|
|
- r = blizzard.int_ctrl->set_scale(plane, orig_w, orig_h, out_w, out_h);
|
|
|
- if (r < 0)
|
|
|
- return r;
|
|
|
-
|
|
|
- p->width = orig_w;
|
|
|
- p->height = orig_h;
|
|
|
- p->out_width = out_w;
|
|
|
- p->out_height = out_h;
|
|
|
- if (orig_w == out_w && orig_h == out_h)
|
|
|
- blizzard.vid_scaled &= ~(1 << plane);
|
|
|
- else
|
|
|
- blizzard.vid_scaled |= 1 << plane;
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int blizzard_set_rotate(int angle)
|
|
|
-{
|
|
|
- u32 l;
|
|
|
-
|
|
|
- l = blizzard_read_reg(BLIZZARD_PANEL_CONFIGURATION);
|
|
|
- l &= ~0x03;
|
|
|
-
|
|
|
- switch (angle) {
|
|
|
- case 0:
|
|
|
- l = l | 0x00;
|
|
|
- break;
|
|
|
- case 90:
|
|
|
- l = l | 0x03;
|
|
|
- break;
|
|
|
- case 180:
|
|
|
- l = l | 0x02;
|
|
|
- break;
|
|
|
- case 270:
|
|
|
- l = l | 0x01;
|
|
|
- break;
|
|
|
- default:
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
-
|
|
|
- blizzard_write_reg(BLIZZARD_PANEL_CONFIGURATION, l);
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int blizzard_enable_plane(int plane, int enable)
|
|
|
-{
|
|
|
- if (enable)
|
|
|
- blizzard.enabled_planes |= 1 << plane;
|
|
|
- else
|
|
|
- blizzard.enabled_planes &= ~(1 << plane);
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int sync_handler(struct blizzard_request *req)
|
|
|
-{
|
|
|
- complete(req->par.sync);
|
|
|
- return REQ_COMPLETE;
|
|
|
-}
|
|
|
-
|
|
|
-static void blizzard_sync(void)
|
|
|
-{
|
|
|
- LIST_HEAD(req_list);
|
|
|
- struct blizzard_request *req;
|
|
|
- struct completion comp;
|
|
|
-
|
|
|
- req = alloc_req();
|
|
|
-
|
|
|
- req->handler = sync_handler;
|
|
|
- req->complete = NULL;
|
|
|
- init_completion(&comp);
|
|
|
- req->par.sync = ∁
|
|
|
-
|
|
|
- list_add(&req->entry, &req_list);
|
|
|
- submit_req_list(&req_list);
|
|
|
-
|
|
|
- wait_for_completion(&comp);
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-static void blizzard_bind_client(struct omapfb_notifier_block *nb)
|
|
|
-{
|
|
|
- if (blizzard.update_mode == OMAPFB_MANUAL_UPDATE) {
|
|
|
- omapfb_notify_clients(blizzard.fbdev, OMAPFB_EVENT_READY);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static int blizzard_set_update_mode(enum omapfb_update_mode mode)
|
|
|
-{
|
|
|
- if (unlikely(mode != OMAPFB_MANUAL_UPDATE &&
|
|
|
- mode != OMAPFB_AUTO_UPDATE &&
|
|
|
- mode != OMAPFB_UPDATE_DISABLED))
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- if (mode == blizzard.update_mode)
|
|
|
- return 0;
|
|
|
-
|
|
|
- dev_info(blizzard.fbdev->dev, "s1d1374x: setting update mode to %s\n",
|
|
|
- mode == OMAPFB_UPDATE_DISABLED ? "disabled" :
|
|
|
- (mode == OMAPFB_AUTO_UPDATE ? "auto" : "manual"));
|
|
|
-
|
|
|
- switch (blizzard.update_mode) {
|
|
|
- case OMAPFB_MANUAL_UPDATE:
|
|
|
- omapfb_notify_clients(blizzard.fbdev, OMAPFB_EVENT_DISABLED);
|
|
|
- break;
|
|
|
- case OMAPFB_AUTO_UPDATE:
|
|
|
- blizzard.stop_auto_update = 1;
|
|
|
- del_timer_sync(&blizzard.auto_update_timer);
|
|
|
- break;
|
|
|
- case OMAPFB_UPDATE_DISABLED:
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- blizzard.update_mode = mode;
|
|
|
- blizzard_sync();
|
|
|
- blizzard.stop_auto_update = 0;
|
|
|
-
|
|
|
- switch (mode) {
|
|
|
- case OMAPFB_MANUAL_UPDATE:
|
|
|
- omapfb_notify_clients(blizzard.fbdev, OMAPFB_EVENT_READY);
|
|
|
- break;
|
|
|
- case OMAPFB_AUTO_UPDATE:
|
|
|
- blizzard_update_window_auto(0);
|
|
|
- break;
|
|
|
- case OMAPFB_UPDATE_DISABLED:
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static enum omapfb_update_mode blizzard_get_update_mode(void)
|
|
|
-{
|
|
|
- return blizzard.update_mode;
|
|
|
-}
|
|
|
-
|
|
|
-static inline void set_extif_timings(const struct extif_timings *t)
|
|
|
-{
|
|
|
- blizzard.extif->set_timings(t);
|
|
|
-}
|
|
|
-
|
|
|
-static inline unsigned long round_to_extif_ticks(unsigned long ps, int div)
|
|
|
-{
|
|
|
- int bus_tick = blizzard.extif_clk_period * div;
|
|
|
- return (ps + bus_tick - 1) / bus_tick * bus_tick;
|
|
|
-}
|
|
|
-
|
|
|
-static int calc_reg_timing(unsigned long sysclk, int div)
|
|
|
-{
|
|
|
- struct extif_timings *t;
|
|
|
- unsigned long systim;
|
|
|
-
|
|
|
- /* CSOnTime 0, WEOnTime 2 ns, REOnTime 2 ns,
|
|
|
- * AccessTime 2 ns + 12.2 ns (regs),
|
|
|
- * WEOffTime = WEOnTime + 1 ns,
|
|
|
- * REOffTime = REOnTime + 12 ns (regs),
|
|
|
- * CSOffTime = REOffTime + 1 ns
|
|
|
- * ReadCycle = 2ns + 2*SYSCLK (regs),
|
|
|
- * WriteCycle = 2*SYSCLK + 2 ns,
|
|
|
- * CSPulseWidth = 10 ns */
|
|
|
-
|
|
|
- systim = 1000000000 / (sysclk / 1000);
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "Blizzard systim %lu ps extif_clk_period %u div %d\n",
|
|
|
- systim, blizzard.extif_clk_period, div);
|
|
|
-
|
|
|
- t = &blizzard.reg_timings;
|
|
|
- memset(t, 0, sizeof(*t));
|
|
|
-
|
|
|
- t->clk_div = div;
|
|
|
-
|
|
|
- t->cs_on_time = 0;
|
|
|
- t->we_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div);
|
|
|
- t->re_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div);
|
|
|
- t->access_time = round_to_extif_ticks(t->re_on_time + 12200, div);
|
|
|
- t->we_off_time = round_to_extif_ticks(t->we_on_time + 1000, div);
|
|
|
- t->re_off_time = round_to_extif_ticks(t->re_on_time + 13000, div);
|
|
|
- t->cs_off_time = round_to_extif_ticks(t->re_off_time + 1000, div);
|
|
|
- t->we_cycle_time = round_to_extif_ticks(2 * systim + 2000, div);
|
|
|
- if (t->we_cycle_time < t->we_off_time)
|
|
|
- t->we_cycle_time = t->we_off_time;
|
|
|
- t->re_cycle_time = round_to_extif_ticks(2 * systim + 2000, div);
|
|
|
- if (t->re_cycle_time < t->re_off_time)
|
|
|
- t->re_cycle_time = t->re_off_time;
|
|
|
- t->cs_pulse_width = 0;
|
|
|
-
|
|
|
- dev_dbg(blizzard.fbdev->dev, "[reg]cson %d csoff %d reon %d reoff %d\n",
|
|
|
- t->cs_on_time, t->cs_off_time, t->re_on_time, t->re_off_time);
|
|
|
- dev_dbg(blizzard.fbdev->dev, "[reg]weon %d weoff %d recyc %d wecyc %d\n",
|
|
|
- t->we_on_time, t->we_off_time, t->re_cycle_time,
|
|
|
- t->we_cycle_time);
|
|
|
- dev_dbg(blizzard.fbdev->dev, "[reg]rdaccess %d cspulse %d\n",
|
|
|
- t->access_time, t->cs_pulse_width);
|
|
|
-
|
|
|
- return blizzard.extif->convert_timings(t);
|
|
|
-}
|
|
|
-
|
|
|
-static int calc_lut_timing(unsigned long sysclk, int div)
|
|
|
-{
|
|
|
- struct extif_timings *t;
|
|
|
- unsigned long systim;
|
|
|
-
|
|
|
- /* CSOnTime 0, WEOnTime 2 ns, REOnTime 2 ns,
|
|
|
- * AccessTime 2 ns + 4 * SYSCLK + 26 (lut),
|
|
|
- * WEOffTime = WEOnTime + 1 ns,
|
|
|
- * REOffTime = REOnTime + 4*SYSCLK + 26 ns (lut),
|
|
|
- * CSOffTime = REOffTime + 1 ns
|
|
|
- * ReadCycle = 2ns + 4*SYSCLK + 26 ns (lut),
|
|
|
- * WriteCycle = 2*SYSCLK + 2 ns,
|
|
|
- * CSPulseWidth = 10 ns */
|
|
|
-
|
|
|
- systim = 1000000000 / (sysclk / 1000);
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "Blizzard systim %lu ps extif_clk_period %u div %d\n",
|
|
|
- systim, blizzard.extif_clk_period, div);
|
|
|
-
|
|
|
- t = &blizzard.lut_timings;
|
|
|
- memset(t, 0, sizeof(*t));
|
|
|
-
|
|
|
- t->clk_div = div;
|
|
|
-
|
|
|
- t->cs_on_time = 0;
|
|
|
- t->we_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div);
|
|
|
- t->re_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div);
|
|
|
- t->access_time = round_to_extif_ticks(t->re_on_time + 4 * systim +
|
|
|
- 26000, div);
|
|
|
- t->we_off_time = round_to_extif_ticks(t->we_on_time + 1000, div);
|
|
|
- t->re_off_time = round_to_extif_ticks(t->re_on_time + 4 * systim +
|
|
|
- 26000, div);
|
|
|
- t->cs_off_time = round_to_extif_ticks(t->re_off_time + 1000, div);
|
|
|
- t->we_cycle_time = round_to_extif_ticks(2 * systim + 2000, div);
|
|
|
- if (t->we_cycle_time < t->we_off_time)
|
|
|
- t->we_cycle_time = t->we_off_time;
|
|
|
- t->re_cycle_time = round_to_extif_ticks(2000 + 4 * systim + 26000, div);
|
|
|
- if (t->re_cycle_time < t->re_off_time)
|
|
|
- t->re_cycle_time = t->re_off_time;
|
|
|
- t->cs_pulse_width = 0;
|
|
|
-
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "[lut]cson %d csoff %d reon %d reoff %d\n",
|
|
|
- t->cs_on_time, t->cs_off_time, t->re_on_time, t->re_off_time);
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "[lut]weon %d weoff %d recyc %d wecyc %d\n",
|
|
|
- t->we_on_time, t->we_off_time, t->re_cycle_time,
|
|
|
- t->we_cycle_time);
|
|
|
- dev_dbg(blizzard.fbdev->dev, "[lut]rdaccess %d cspulse %d\n",
|
|
|
- t->access_time, t->cs_pulse_width);
|
|
|
-
|
|
|
- return blizzard.extif->convert_timings(t);
|
|
|
-}
|
|
|
-
|
|
|
-static int calc_extif_timings(unsigned long sysclk, int *extif_mem_div)
|
|
|
-{
|
|
|
- int max_clk_div;
|
|
|
- int div;
|
|
|
-
|
|
|
- blizzard.extif->get_clk_info(&blizzard.extif_clk_period, &max_clk_div);
|
|
|
- for (div = 1; div <= max_clk_div; div++) {
|
|
|
- if (calc_reg_timing(sysclk, div) == 0)
|
|
|
- break;
|
|
|
- }
|
|
|
- if (div > max_clk_div) {
|
|
|
- dev_dbg(blizzard.fbdev->dev, "reg timing failed\n");
|
|
|
- goto err;
|
|
|
- }
|
|
|
- *extif_mem_div = div;
|
|
|
-
|
|
|
- for (div = 1; div <= max_clk_div; div++) {
|
|
|
- if (calc_lut_timing(sysclk, div) == 0)
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if (div > max_clk_div)
|
|
|
- goto err;
|
|
|
-
|
|
|
- blizzard.extif_clk_div = div;
|
|
|
-
|
|
|
- return 0;
|
|
|
-err:
|
|
|
- dev_err(blizzard.fbdev->dev, "can't setup timings\n");
|
|
|
- return -1;
|
|
|
-}
|
|
|
-
|
|
|
-static void calc_blizzard_clk_rates(unsigned long ext_clk,
|
|
|
- unsigned long *sys_clk, unsigned long *pix_clk)
|
|
|
-{
|
|
|
- int pix_clk_src;
|
|
|
- int sys_div = 0, sys_mul = 0;
|
|
|
- int pix_div;
|
|
|
-
|
|
|
- pix_clk_src = blizzard_read_reg(BLIZZARD_CLK_SRC);
|
|
|
- pix_div = ((pix_clk_src >> 3) & 0x1f) + 1;
|
|
|
- if ((pix_clk_src & (0x3 << 1)) == 0) {
|
|
|
- /* Source is the PLL */
|
|
|
- sys_div = (blizzard_read_reg(BLIZZARD_PLL_DIV) & 0x3f) + 1;
|
|
|
- sys_mul = blizzard_read_reg(BLIZZARD_PLL_CLOCK_SYNTH_0);
|
|
|
- sys_mul |= ((blizzard_read_reg(BLIZZARD_PLL_CLOCK_SYNTH_1)
|
|
|
- & 0x0f) << 11);
|
|
|
- *sys_clk = ext_clk * sys_mul / sys_div;
|
|
|
- } else /* else source is ext clk, or oscillator */
|
|
|
- *sys_clk = ext_clk;
|
|
|
-
|
|
|
- *pix_clk = *sys_clk / pix_div; /* HZ */
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "ext_clk %ld pix_src %d pix_div %d sys_div %d sys_mul %d\n",
|
|
|
- ext_clk, pix_clk_src & (0x3 << 1), pix_div, sys_div, sys_mul);
|
|
|
- dev_dbg(blizzard.fbdev->dev, "sys_clk %ld pix_clk %ld\n",
|
|
|
- *sys_clk, *pix_clk);
|
|
|
-}
|
|
|
-
|
|
|
-static int setup_tearsync(unsigned long pix_clk, int extif_div)
|
|
|
-{
|
|
|
- int hdisp, vdisp;
|
|
|
- int hndp, vndp;
|
|
|
- int hsw, vsw;
|
|
|
- int hs, vs;
|
|
|
- int hs_pol_inv, vs_pol_inv;
|
|
|
- int use_hsvs, use_ndp;
|
|
|
- u8 b;
|
|
|
-
|
|
|
- hsw = blizzard_read_reg(BLIZZARD_HSW);
|
|
|
- vsw = blizzard_read_reg(BLIZZARD_VSW);
|
|
|
- hs_pol_inv = !(hsw & 0x80);
|
|
|
- vs_pol_inv = !(vsw & 0x80);
|
|
|
- hsw = hsw & 0x7f;
|
|
|
- vsw = vsw & 0x3f;
|
|
|
-
|
|
|
- hdisp = blizzard_read_reg(BLIZZARD_HDISP) * 8;
|
|
|
- vdisp = blizzard_read_reg(BLIZZARD_VDISP0) +
|
|
|
- ((blizzard_read_reg(BLIZZARD_VDISP1) & 0x3) << 8);
|
|
|
-
|
|
|
- hndp = blizzard_read_reg(BLIZZARD_HNDP) & 0x3f;
|
|
|
- vndp = blizzard_read_reg(BLIZZARD_VNDP);
|
|
|
-
|
|
|
- /* time to transfer one pixel (16bpp) in ps */
|
|
|
- blizzard.pix_tx_time = blizzard.reg_timings.we_cycle_time;
|
|
|
- if (blizzard.extif->get_max_tx_rate != NULL) {
|
|
|
- /* The external interface might have a rate limitation,
|
|
|
- * if so, we have to maximize our transfer rate.
|
|
|
- */
|
|
|
- unsigned long min_tx_time;
|
|
|
- unsigned long max_tx_rate = blizzard.extif->get_max_tx_rate();
|
|
|
-
|
|
|
- dev_dbg(blizzard.fbdev->dev, "max_tx_rate %ld HZ\n",
|
|
|
- max_tx_rate);
|
|
|
- min_tx_time = 1000000000 / (max_tx_rate / 1000); /* ps */
|
|
|
- if (blizzard.pix_tx_time < min_tx_time)
|
|
|
- blizzard.pix_tx_time = min_tx_time;
|
|
|
- }
|
|
|
-
|
|
|
- /* time to update one line in ps */
|
|
|
- blizzard.line_upd_time = (hdisp + hndp) * 1000000 / (pix_clk / 1000);
|
|
|
- blizzard.line_upd_time *= 1000;
|
|
|
- if (hdisp * blizzard.pix_tx_time > blizzard.line_upd_time)
|
|
|
- /* transfer speed too low, we might have to use both
|
|
|
- * HS and VS */
|
|
|
- use_hsvs = 1;
|
|
|
- else
|
|
|
- /* decent transfer speed, we'll always use only VS */
|
|
|
- use_hsvs = 0;
|
|
|
-
|
|
|
- if (use_hsvs && (hs_pol_inv || vs_pol_inv)) {
|
|
|
- /* HS or'ed with VS doesn't work, use the active high
|
|
|
- * TE signal based on HNDP / VNDP */
|
|
|
- use_ndp = 1;
|
|
|
- hs_pol_inv = 0;
|
|
|
- vs_pol_inv = 0;
|
|
|
- hs = hndp;
|
|
|
- vs = vndp;
|
|
|
- } else {
|
|
|
- /* Use HS or'ed with VS as a TE signal if both are needed
|
|
|
- * or VNDP if only vsync is needed. */
|
|
|
- use_ndp = 0;
|
|
|
- hs = hsw;
|
|
|
- vs = vsw;
|
|
|
- if (!use_hsvs) {
|
|
|
- hs_pol_inv = 0;
|
|
|
- vs_pol_inv = 0;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- hs = hs * 1000000 / (pix_clk / 1000); /* ps */
|
|
|
- hs *= 1000;
|
|
|
-
|
|
|
- vs = vs * (hdisp + hndp) * 1000000 / (pix_clk / 1000); /* ps */
|
|
|
- vs *= 1000;
|
|
|
-
|
|
|
- if (vs <= hs)
|
|
|
- return -EDOM;
|
|
|
- /* set VS to 120% of HS to minimize VS detection time */
|
|
|
- vs = hs * 12 / 10;
|
|
|
- /* minimize HS too */
|
|
|
- if (hs > 10000)
|
|
|
- hs = 10000;
|
|
|
-
|
|
|
- b = blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS);
|
|
|
- b &= ~0x3;
|
|
|
- b |= use_hsvs ? 1 : 0;
|
|
|
- b |= (use_ndp && use_hsvs) ? 0 : 2;
|
|
|
- blizzard_write_reg(BLIZZARD_NDISP_CTRL_STATUS, b);
|
|
|
-
|
|
|
- blizzard.vsync_only = !use_hsvs;
|
|
|
-
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "pix_clk %ld HZ pix_tx_time %ld ps line_upd_time %ld ps\n",
|
|
|
- pix_clk, blizzard.pix_tx_time, blizzard.line_upd_time);
|
|
|
- dev_dbg(blizzard.fbdev->dev,
|
|
|
- "hs %d ps vs %d ps mode %d vsync_only %d\n",
|
|
|
- hs, vs, b & 0x3, !use_hsvs);
|
|
|
-
|
|
|
- return blizzard.extif->setup_tearsync(1, hs, vs,
|
|
|
- hs_pol_inv, vs_pol_inv,
|
|
|
- extif_div);
|
|
|
-}
|
|
|
-
|
|
|
-static void blizzard_get_caps(int plane, struct omapfb_caps *caps)
|
|
|
-{
|
|
|
- blizzard.int_ctrl->get_caps(plane, caps);
|
|
|
- caps->ctrl |= OMAPFB_CAPS_MANUAL_UPDATE |
|
|
|
- OMAPFB_CAPS_WINDOW_PIXEL_DOUBLE |
|
|
|
- OMAPFB_CAPS_WINDOW_SCALE |
|
|
|
- OMAPFB_CAPS_WINDOW_OVERLAY |
|
|
|
- OMAPFB_CAPS_WINDOW_ROTATE;
|
|
|
- if (blizzard.te_connected)
|
|
|
- caps->ctrl |= OMAPFB_CAPS_TEARSYNC;
|
|
|
- caps->wnd_color |= (1 << OMAPFB_COLOR_RGB565) |
|
|
|
- (1 << OMAPFB_COLOR_YUV420);
|
|
|
-}
|
|
|
-
|
|
|
-static void _save_regs(const struct blizzard_reg_list *list, int cnt)
|
|
|
-{
|
|
|
- int i;
|
|
|
-
|
|
|
- for (i = 0; i < cnt; i++, list++) {
|
|
|
- int reg;
|
|
|
- for (reg = list->start; reg <= list->end; reg += 2)
|
|
|
- blizzard_reg_cache[reg / 2] = blizzard_read_reg(reg);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static void _restore_regs(const struct blizzard_reg_list *list, int cnt)
|
|
|
-{
|
|
|
- int i;
|
|
|
-
|
|
|
- for (i = 0; i < cnt; i++, list++) {
|
|
|
- int reg;
|
|
|
- for (reg = list->start; reg <= list->end; reg += 2)
|
|
|
- blizzard_write_reg(reg, blizzard_reg_cache[reg / 2]);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static void blizzard_save_all_regs(void)
|
|
|
-{
|
|
|
- _save_regs(blizzard_pll_regs, ARRAY_SIZE(blizzard_pll_regs));
|
|
|
- _save_regs(blizzard_gen_regs, ARRAY_SIZE(blizzard_gen_regs));
|
|
|
-}
|
|
|
-
|
|
|
-static void blizzard_restore_pll_regs(void)
|
|
|
-{
|
|
|
- _restore_regs(blizzard_pll_regs, ARRAY_SIZE(blizzard_pll_regs));
|
|
|
-}
|
|
|
-
|
|
|
-static void blizzard_restore_gen_regs(void)
|
|
|
-{
|
|
|
- _restore_regs(blizzard_gen_regs, ARRAY_SIZE(blizzard_gen_regs));
|
|
|
-}
|
|
|
-
|
|
|
-static void blizzard_suspend(void)
|
|
|
-{
|
|
|
- u32 l;
|
|
|
- unsigned long tmo;
|
|
|
-
|
|
|
- if (blizzard.last_color_mode) {
|
|
|
- update_full_screen();
|
|
|
- blizzard_sync();
|
|
|
- }
|
|
|
- blizzard.update_mode_before_suspend = blizzard.update_mode;
|
|
|
- /* the following will disable clocks as well */
|
|
|
- blizzard_set_update_mode(OMAPFB_UPDATE_DISABLED);
|
|
|
-
|
|
|
- blizzard_save_all_regs();
|
|
|
-
|
|
|
- blizzard_stop_sdram();
|
|
|
-
|
|
|
- l = blizzard_read_reg(BLIZZARD_POWER_SAVE);
|
|
|
- /* Standby, Sleep. We assume we use an external clock. */
|
|
|
- l |= 0x03;
|
|
|
- blizzard_write_reg(BLIZZARD_POWER_SAVE, l);
|
|
|
-
|
|
|
- tmo = jiffies + msecs_to_jiffies(100);
|
|
|
- while (!(blizzard_read_reg(BLIZZARD_PLL_MODE) & (1 << 1))) {
|
|
|
- if (time_after(jiffies, tmo)) {
|
|
|
- dev_err(blizzard.fbdev->dev,
|
|
|
- "s1d1374x: sleep timeout, stopping PLL manually\n");
|
|
|
- l = blizzard_read_reg(BLIZZARD_PLL_MODE);
|
|
|
- l &= ~0x03;
|
|
|
- /* Disable PLL, counter function */
|
|
|
- l |= 0x2;
|
|
|
- blizzard_write_reg(BLIZZARD_PLL_MODE, l);
|
|
|
- break;
|
|
|
- }
|
|
|
- msleep(1);
|
|
|
- }
|
|
|
-
|
|
|
- if (blizzard.power_down != NULL)
|
|
|
- blizzard.power_down(blizzard.fbdev->dev);
|
|
|
-}
|
|
|
-
|
|
|
-static void blizzard_resume(void)
|
|
|
-{
|
|
|
- u32 l;
|
|
|
-
|
|
|
- if (blizzard.power_up != NULL)
|
|
|
- blizzard.power_up(blizzard.fbdev->dev);
|
|
|
-
|
|
|
- l = blizzard_read_reg(BLIZZARD_POWER_SAVE);
|
|
|
- /* Standby, Sleep */
|
|
|
- l &= ~0x03;
|
|
|
- blizzard_write_reg(BLIZZARD_POWER_SAVE, l);
|
|
|
-
|
|
|
- blizzard_restore_pll_regs();
|
|
|
- l = blizzard_read_reg(BLIZZARD_PLL_MODE);
|
|
|
- l &= ~0x03;
|
|
|
- /* Enable PLL, counter function */
|
|
|
- l |= 0x1;
|
|
|
- blizzard_write_reg(BLIZZARD_PLL_MODE, l);
|
|
|
-
|
|
|
- while (!(blizzard_read_reg(BLIZZARD_PLL_DIV) & (1 << 7)))
|
|
|
- msleep(1);
|
|
|
-
|
|
|
- blizzard_restart_sdram();
|
|
|
-
|
|
|
- blizzard_restore_gen_regs();
|
|
|
-
|
|
|
- /* Enable display */
|
|
|
- blizzard_write_reg(BLIZZARD_DISPLAY_MODE, 0x01);
|
|
|
-
|
|
|
- /* the following will enable clocks as necessary */
|
|
|
- blizzard_set_update_mode(blizzard.update_mode_before_suspend);
|
|
|
-
|
|
|
- /* Force a background update */
|
|
|
- blizzard.zoom_on = 1;
|
|
|
- update_full_screen();
|
|
|
- blizzard_sync();
|
|
|
-}
|
|
|
-
|
|
|
-static int blizzard_init(struct omapfb_device *fbdev, int ext_mode,
|
|
|
- struct omapfb_mem_desc *req_vram)
|
|
|
-{
|
|
|
- int r = 0, i;
|
|
|
- u8 rev, conf;
|
|
|
- unsigned long ext_clk;
|
|
|
- int extif_div;
|
|
|
- unsigned long sys_clk, pix_clk;
|
|
|
- struct omapfb_platform_data *omapfb_conf;
|
|
|
- struct blizzard_platform_data *ctrl_conf;
|
|
|
-
|
|
|
- blizzard.fbdev = fbdev;
|
|
|
-
|
|
|
- BUG_ON(!fbdev->ext_if || !fbdev->int_ctrl);
|
|
|
-
|
|
|
- blizzard.fbdev = fbdev;
|
|
|
- blizzard.extif = fbdev->ext_if;
|
|
|
- blizzard.int_ctrl = fbdev->int_ctrl;
|
|
|
-
|
|
|
- omapfb_conf = fbdev->dev->platform_data;
|
|
|
- ctrl_conf = omapfb_conf->ctrl_platform_data;
|
|
|
- if (ctrl_conf == NULL || ctrl_conf->get_clock_rate == NULL) {
|
|
|
- dev_err(fbdev->dev, "s1d1374x: missing platform data\n");
|
|
|
- r = -ENOENT;
|
|
|
- goto err1;
|
|
|
- }
|
|
|
-
|
|
|
- blizzard.power_down = ctrl_conf->power_down;
|
|
|
- blizzard.power_up = ctrl_conf->power_up;
|
|
|
-
|
|
|
- spin_lock_init(&blizzard.req_lock);
|
|
|
-
|
|
|
- if ((r = blizzard.int_ctrl->init(fbdev, 1, req_vram)) < 0)
|
|
|
- goto err1;
|
|
|
-
|
|
|
- if ((r = blizzard.extif->init(fbdev)) < 0)
|
|
|
- goto err2;
|
|
|
-
|
|
|
- blizzard_ctrl.set_color_key = blizzard.int_ctrl->set_color_key;
|
|
|
- blizzard_ctrl.get_color_key = blizzard.int_ctrl->get_color_key;
|
|
|
- blizzard_ctrl.setup_mem = blizzard.int_ctrl->setup_mem;
|
|
|
- blizzard_ctrl.mmap = blizzard.int_ctrl->mmap;
|
|
|
-
|
|
|
- ext_clk = ctrl_conf->get_clock_rate(fbdev->dev);
|
|
|
- if ((r = calc_extif_timings(ext_clk, &extif_div)) < 0)
|
|
|
- goto err3;
|
|
|
-
|
|
|
- set_extif_timings(&blizzard.reg_timings);
|
|
|
-
|
|
|
- if (blizzard.power_up != NULL)
|
|
|
- blizzard.power_up(fbdev->dev);
|
|
|
-
|
|
|
- calc_blizzard_clk_rates(ext_clk, &sys_clk, &pix_clk);
|
|
|
-
|
|
|
- if ((r = calc_extif_timings(sys_clk, &extif_div)) < 0)
|
|
|
- goto err3;
|
|
|
- set_extif_timings(&blizzard.reg_timings);
|
|
|
-
|
|
|
- if (!(blizzard_read_reg(BLIZZARD_PLL_DIV) & 0x80)) {
|
|
|
- dev_err(fbdev->dev,
|
|
|
- "controller not initialized by the bootloader\n");
|
|
|
- r = -ENODEV;
|
|
|
- goto err3;
|
|
|
- }
|
|
|
-
|
|
|
- if (ctrl_conf->te_connected) {
|
|
|
- if ((r = setup_tearsync(pix_clk, extif_div)) < 0)
|
|
|
- goto err3;
|
|
|
- blizzard.te_connected = 1;
|
|
|
- }
|
|
|
-
|
|
|
- rev = blizzard_read_reg(BLIZZARD_REV_CODE);
|
|
|
- conf = blizzard_read_reg(BLIZZARD_CONFIG);
|
|
|
-
|
|
|
- switch (rev & 0xfc) {
|
|
|
- case 0x9c:
|
|
|
- blizzard.version = BLIZZARD_VERSION_S1D13744;
|
|
|
- pr_info("omapfb: s1d13744 LCD controller rev %d "
|
|
|
- "initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
|
|
|
- break;
|
|
|
- case 0xa4:
|
|
|
- blizzard.version = BLIZZARD_VERSION_S1D13745;
|
|
|
- pr_info("omapfb: s1d13745 LCD controller rev %d "
|
|
|
- "initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
|
|
|
- break;
|
|
|
- default:
|
|
|
- dev_err(fbdev->dev, "invalid s1d1374x revision %02x\n",
|
|
|
- rev);
|
|
|
- r = -ENODEV;
|
|
|
- goto err3;
|
|
|
- }
|
|
|
-
|
|
|
- blizzard.max_transmit_size = blizzard.extif->max_transmit_size;
|
|
|
-
|
|
|
- blizzard.update_mode = OMAPFB_UPDATE_DISABLED;
|
|
|
-
|
|
|
- blizzard.auto_update_window.x = 0;
|
|
|
- blizzard.auto_update_window.y = 0;
|
|
|
- blizzard.auto_update_window.width = fbdev->panel->x_res;
|
|
|
- blizzard.auto_update_window.height = fbdev->panel->y_res;
|
|
|
- blizzard.auto_update_window.out_x = 0;
|
|
|
- blizzard.auto_update_window.out_y = 0;
|
|
|
- blizzard.auto_update_window.out_width = fbdev->panel->x_res;
|
|
|
- blizzard.auto_update_window.out_height = fbdev->panel->y_res;
|
|
|
- blizzard.auto_update_window.format = 0;
|
|
|
-
|
|
|
- blizzard.screen_width = fbdev->panel->x_res;
|
|
|
- blizzard.screen_height = fbdev->panel->y_res;
|
|
|
-
|
|
|
- init_timer(&blizzard.auto_update_timer);
|
|
|
- blizzard.auto_update_timer.function = blizzard_update_window_auto;
|
|
|
- blizzard.auto_update_timer.data = 0;
|
|
|
-
|
|
|
- INIT_LIST_HEAD(&blizzard.free_req_list);
|
|
|
- INIT_LIST_HEAD(&blizzard.pending_req_list);
|
|
|
- for (i = 0; i < ARRAY_SIZE(blizzard.req_pool); i++)
|
|
|
- list_add(&blizzard.req_pool[i].entry, &blizzard.free_req_list);
|
|
|
- BUG_ON(i <= IRQ_REQ_POOL_SIZE);
|
|
|
- sema_init(&blizzard.req_sema, i - IRQ_REQ_POOL_SIZE);
|
|
|
-
|
|
|
- return 0;
|
|
|
-err3:
|
|
|
- if (blizzard.power_down != NULL)
|
|
|
- blizzard.power_down(fbdev->dev);
|
|
|
- blizzard.extif->cleanup();
|
|
|
-err2:
|
|
|
- blizzard.int_ctrl->cleanup();
|
|
|
-err1:
|
|
|
- return r;
|
|
|
-}
|
|
|
-
|
|
|
-static void blizzard_cleanup(void)
|
|
|
-{
|
|
|
- blizzard_set_update_mode(OMAPFB_UPDATE_DISABLED);
|
|
|
- blizzard.extif->cleanup();
|
|
|
- blizzard.int_ctrl->cleanup();
|
|
|
- if (blizzard.power_down != NULL)
|
|
|
- blizzard.power_down(blizzard.fbdev->dev);
|
|
|
-}
|
|
|
-
|
|
|
-struct lcd_ctrl blizzard_ctrl = {
|
|
|
- .name = "blizzard",
|
|
|
- .init = blizzard_init,
|
|
|
- .cleanup = blizzard_cleanup,
|
|
|
- .bind_client = blizzard_bind_client,
|
|
|
- .get_caps = blizzard_get_caps,
|
|
|
- .set_update_mode = blizzard_set_update_mode,
|
|
|
- .get_update_mode = blizzard_get_update_mode,
|
|
|
- .setup_plane = blizzard_setup_plane,
|
|
|
- .set_scale = blizzard_set_scale,
|
|
|
- .enable_plane = blizzard_enable_plane,
|
|
|
- .set_rotate = blizzard_set_rotate,
|
|
|
- .update_window = blizzard_update_window_async,
|
|
|
- .sync = blizzard_sync,
|
|
|
- .suspend = blizzard_suspend,
|
|
|
- .resume = blizzard_resume,
|
|
|
-};
|
|
|
-
|
Tomi Valkeinen