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linux/include/asm-arm/arch-omap/omapfb.h
Tony Lindgren 0dc5e77c46 [ARM] 3454/1: ARM: OMAP: 6/8 Update framebuffer low-level init code, take 2 
Patch from Tony Lindgren

Update OMAP framebuffer low-level init code from linux-omap tree
by Imre Deak.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-04-02 17:46:26 +01:00

326 lines
8.7 KiB
C
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/*
* File: include/asm-arm/arch-omap/omapfb.h
*
* Framebuffer driver for TI OMAP boards
*
* Copyright (C) 2004 Nokia Corporation
* Author: Imre Deak <imre.deak@nokia.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __OMAPFB_H
#define __OMAPFB_H
/* IOCTL commands. */
#define OMAP_IOW(num, dtype) _IOW('O', num, dtype)
#define OMAP_IOR(num, dtype) _IOR('O', num, dtype)
#define OMAP_IOWR(num, dtype) _IOWR('O', num, dtype)
#define OMAP_IO(num) _IO('O', num)
#define OMAPFB_MIRROR OMAP_IOW(31, int)
#define OMAPFB_SYNC_GFX OMAP_IO(37)
#define OMAPFB_VSYNC OMAP_IO(38)
#define OMAPFB_SET_UPDATE_MODE OMAP_IOW(40, int)
#define OMAPFB_UPDATE_WINDOW_OLD OMAP_IOW(41, struct omapfb_update_window_old)
#define OMAPFB_GET_CAPS OMAP_IOR(42, unsigned long)
#define OMAPFB_GET_UPDATE_MODE OMAP_IOW(43, int)
#define OMAPFB_LCD_TEST OMAP_IOW(45, int)
#define OMAPFB_CTRL_TEST OMAP_IOW(46, int)
#define OMAPFB_UPDATE_WINDOW OMAP_IOW(47, struct omapfb_update_window)
#define OMAPFB_SETUP_PLANE OMAP_IOW(48, struct omapfb_setup_plane)
#define OMAPFB_ENABLE_PLANE OMAP_IOW(49, struct omapfb_enable_plane)
#define OMAPFB_SET_COLOR_KEY OMAP_IOW(50, struct omapfb_color_key)
#define OMAPFB_CAPS_GENERIC_MASK 0x00000fff
#define OMAPFB_CAPS_LCDC_MASK 0x00fff000
#define OMAPFB_CAPS_PANEL_MASK 0xff000000
#define OMAPFB_CAPS_MANUAL_UPDATE 0x00001000
#define OMAPFB_CAPS_SET_BACKLIGHT 0x01000000
/* Values from DSP must map to lower 16-bits */
#define OMAPFB_FORMAT_MASK 0x00ff
#define OMAPFB_FORMAT_FLAG_DOUBLE 0x0100
enum omapfb_color_format {
OMAPFB_COLOR_RGB565 = 0,
OMAPFB_COLOR_YUV422,
OMAPFB_COLOR_YUV420,
OMAPFB_COLOR_CLUT_8BPP,
OMAPFB_COLOR_CLUT_4BPP,
OMAPFB_COLOR_CLUT_2BPP,
OMAPFB_COLOR_CLUT_1BPP,
};
struct omapfb_update_window {
__u32 x, y;
__u32 width, height;
__u32 format;
};
struct omapfb_update_window_old {
__u32 x, y;
__u32 width, height;
};
enum omapfb_plane {
OMAPFB_PLANE_GFX = 0,
OMAPFB_PLANE_VID1,
OMAPFB_PLANE_VID2,
};
enum omapfb_channel_out {
OMAPFB_CHANNEL_OUT_LCD = 0,
OMAPFB_CHANNEL_OUT_DIGIT,
};
struct omapfb_setup_plane {
__u8 plane;
__u8 channel_out;
__u32 offset;
__u32 pos_x, pos_y;
__u32 width, height;
__u32 color_mode;
};
struct omapfb_enable_plane {
__u8 plane;
__u8 enable;
};
enum omapfb_color_key_type {
OMAPFB_COLOR_KEY_DISABLED = 0,
OMAPFB_COLOR_KEY_GFX_DST,
OMAPFB_COLOR_KEY_VID_SRC,
};
struct omapfb_color_key {
__u8 channel_out;
__u32 background;
__u32 trans_key;
__u8 key_type;
};
enum omapfb_update_mode {
OMAPFB_UPDATE_DISABLED = 0,
OMAPFB_AUTO_UPDATE,
OMAPFB_MANUAL_UPDATE
};
#ifdef __KERNEL__
#include <linux/completion.h>
#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/mutex.h>
#include <asm/arch/board.h>
#define OMAP_LCDC_INV_VSYNC 0x0001
#define OMAP_LCDC_INV_HSYNC 0x0002
#define OMAP_LCDC_INV_PIX_CLOCK 0x0004
#define OMAP_LCDC_INV_OUTPUT_EN 0x0008
#define OMAP_LCDC_HSVS_RISING_EDGE 0x0010
#define OMAP_LCDC_HSVS_OPPOSITE 0x0020
#define OMAP_LCDC_SIGNAL_MASK 0x003f
#define OMAP_LCDC_PANEL_TFT 0x0100
#ifdef CONFIG_ARCH_OMAP1
#define OMAPFB_PLANE_NUM 1
#else
#define OMAPFB_PLANE_NUM 3
#endif
struct omapfb_device;
struct lcd_panel {
const char *name;
int config; /* TFT/STN, signal inversion */
int bpp; /* Pixel format in fb mem */
int data_lines; /* Lines on LCD HW interface */
int x_res, y_res;
int pixel_clock; /* In kHz */
int hsw; /* Horizontal synchronization
pulse width */
int hfp; /* Horizontal front porch */
int hbp; /* Horizontal back porch */
int vsw; /* Vertical synchronization
pulse width */
int vfp; /* Vertical front porch */
int vbp; /* Vertical back porch */
int acb; /* ac-bias pin frequency */
int pcd; /* pixel clock divider.
Obsolete use pixel_clock instead */
int (*init) (struct omapfb_device *fbdev);
void (*cleanup) (void);
int (*enable) (void);
void (*disable) (void);
unsigned long (*get_caps) (void);
int (*set_bklight_level)(unsigned int level);
unsigned int (*get_bklight_level)(void);
unsigned int (*get_bklight_max) (void);
int (*run_test) (int test_num);
};
struct omapfb_device;
struct extif_timings {
int cs_on_time;
int cs_off_time;
int we_on_time;
int we_off_time;
int re_on_time;
int re_off_time;
int we_cycle_time;
int re_cycle_time;
int cs_pulse_width;
int access_time;
int clk_div;
u32 tim[5]; /* set by extif->convert_timings */
int converted;
};
struct lcd_ctrl_extif {
int (*init) (void);
void (*cleanup) (void);
void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div);
int (*convert_timings) (struct extif_timings *timings);
void (*set_timings) (const struct extif_timings *timings);
void (*set_bits_per_cycle)(int bpc);
void (*write_command) (const void *buf, unsigned int len);
void (*read_data) (void *buf, unsigned int len);
void (*write_data) (const void *buf, unsigned int len);
void (*transfer_area) (int width, int height,
void (callback)(void * data), void *data);
unsigned long max_transmit_size;
};
struct omapfb_notifier_block {
struct notifier_block nb;
void *data;
};
typedef int (*omapfb_notifier_callback_t)(struct omapfb_notifier_block *,
unsigned long event,
struct omapfb_device *fbdev);
struct lcd_ctrl {
const char *name;
void *data;
int (*init) (struct omapfb_device *fbdev,
int ext_mode, int req_vram_size);
void (*cleanup) (void);
void (*bind_client) (struct omapfb_notifier_block *nb);
void (*get_vram_layout)(unsigned long *size,
void **virt_base,
dma_addr_t *phys_base);
int (*mmap) (struct vm_area_struct *vma);
unsigned long (*get_caps) (void);
int (*set_update_mode)(enum omapfb_update_mode mode);
enum omapfb_update_mode (*get_update_mode)(void);
int (*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);
int (*enable_plane) (int plane, int enable);
int (*update_window) (struct omapfb_update_window *win,
void (*callback)(void *),
void *callback_data);
void (*sync) (void);
void (*suspend) (void);
void (*resume) (void);
int (*run_test) (int test_num);
int (*setcolreg) (u_int regno, u16 red, u16 green,
u16 blue, u16 transp,
int update_hw_mem);
int (*set_color_key) (struct omapfb_color_key *ck);
};
enum omapfb_state {
OMAPFB_DISABLED = 0,
OMAPFB_SUSPENDED= 99,
OMAPFB_ACTIVE = 100
};
struct omapfb_device {
int state;
int ext_lcdc; /* Using external
LCD controller */
struct mutex rqueue_mutex;
void *vram_virt_base;
dma_addr_t vram_phys_base;
unsigned long vram_size;
int color_mode;
int palette_size;
int mirror;
u32 pseudo_palette[17];
struct lcd_panel *panel; /* LCD panel */
struct lcd_ctrl *ctrl; /* LCD controller */
struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */
struct lcd_ctrl_extif *ext_if; /* LCD ctrl external
interface */
struct fb_info *fb_info;
struct device *dev;
};
struct omapfb_platform_data {
struct omap_lcd_config lcd;
struct omap_fbmem_config fbmem;
};
#define OMAPFB_EVENT_READY 1
#define OMAPFB_EVENT_DISABLED 2
#ifdef CONFIG_ARCH_OMAP1
extern struct lcd_ctrl omap1_lcd_ctrl;
#else
extern struct lcd_ctrl omap2_disp_ctrl;
#endif
extern void omapfb_register_panel(struct lcd_panel *panel);
extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
extern void omapfb_notify_clients(struct omapfb_device *fbdev,
unsigned long event);
extern int omapfb_register_client(struct omapfb_notifier_block *nb,
omapfb_notifier_callback_t callback,
void *callback_data);
extern int omapfb_unregister_client(struct omapfb_notifier_block *nb);
extern int omapfb_update_window_async(struct omapfb_update_window *win,
void (*callback)(void *),
void *callback_data);
/* in arch/arm/plat-omap/devices.c */
extern void omapfb_reserve_mem(void);
#endif /* __KERNEL__ */
#endif /* __OMAPFB_H */
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