/* * Framebuffer driver for TI OMAP boards * * Copyright (C) 2004 Nokia Corporation * Author: Imre Deak * * 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 #include #include #include /* 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_GET_CAPS OMAP_IOR(42, struct omapfb_caps) #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_OLD OMAP_IOW(47, struct omapfb_update_window_old) #define OMAPFB_SET_COLOR_KEY OMAP_IOW(50, struct omapfb_color_key) #define OMAPFB_GET_COLOR_KEY OMAP_IOW(51, struct omapfb_color_key) #define OMAPFB_SETUP_PLANE OMAP_IOW(52, struct omapfb_plane_info) #define OMAPFB_QUERY_PLANE OMAP_IOW(53, struct omapfb_plane_info) #define OMAPFB_UPDATE_WINDOW OMAP_IOW(54, struct omapfb_update_window) #define OMAPFB_SETUP_MEM OMAP_IOW(55, struct omapfb_mem_info) #define OMAPFB_QUERY_MEM OMAP_IOW(56, struct omapfb_mem_info) #define OMAPFB_WAITFORVSYNC OMAP_IO(57) #define OMAPFB_MEMORY_READ OMAP_IOR(58, struct omapfb_memory_read) #define OMAPFB_GET_OVERLAY_COLORMODE OMAP_IOR(59, struct omapfb_ovl_colormode) #define OMAPFB_GET_VRAM_INFO OMAP_IOR(61, struct omapfb_vram_info) #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_TEARSYNC 0x00002000 #define OMAPFB_CAPS_PLANE_RELOCATE_MEM 0x00004000 #define OMAPFB_CAPS_PLANE_SCALE 0x00008000 #define OMAPFB_CAPS_WINDOW_PIXEL_DOUBLE 0x00010000 #define OMAPFB_CAPS_WINDOW_SCALE 0x00020000 #define OMAPFB_CAPS_WINDOW_OVERLAY 0x00040000 #define OMAPFB_CAPS_WINDOW_ROTATE 0x00080000 #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 #define OMAPFB_FORMAT_FLAG_TEARSYNC 0x0200 #define OMAPFB_FORMAT_FLAG_FORCE_VSYNC 0x0400 #define OMAPFB_FORMAT_FLAG_ENABLE_OVERLAY 0x0800 #define OMAPFB_FORMAT_FLAG_DISABLE_OVERLAY 0x1000 #define OMAPFB_EVENT_READY 1 #define OMAPFB_EVENT_DISABLED 2 #define OMAPFB_MEMTYPE_SDRAM 0 #define OMAPFB_MEMTYPE_SRAM 1 #define OMAPFB_MEMTYPE_MAX 1 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, OMAPFB_COLOR_RGB444, OMAPFB_COLOR_YUY422, OMAPFB_COLOR_ARGB16, OMAPFB_COLOR_RGB24U, /* RGB24, 32-bit container */ OMAPFB_COLOR_RGB24P, /* RGB24, 24-bit container */ OMAPFB_COLOR_ARGB32, OMAPFB_COLOR_RGBA32, OMAPFB_COLOR_RGBX32, }; struct omapfb_update_window { __u32 x, y; __u32 width, height; __u32 format; __u32 out_x, out_y; __u32 out_width, out_height; __u32 reserved[8]; }; struct omapfb_update_window_old { __u32 x, y; __u32 width, height; __u32 format; }; 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, }; #define OMAPFB_CLONE_ENABLED 0x4 #define OMAPFB_CLONE_MASK 0x3 struct omapfb_plane_info { __u32 pos_x; __u32 pos_y; __u8 enabled; __u8 channel_out; __u8 mirror; __u8 clone_idx; /* if OMAPFB_CLONE_ENABLED bit is set * cloned plane will be stored under * OMAPFB_CLONE_MASK */ __u32 out_width; __u32 out_height; __u32 reserved2[12]; }; struct omapfb_mem_info { __u32 size; __u8 type; __u8 reserved[3]; }; struct omapfb_caps { __u32 ctrl; __u32 plane_color; __u32 wnd_color; }; 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 }; struct omapfb_memory_read { __u16 x; __u16 y; __u16 w; __u16 h; size_t buffer_size; void __user *buffer; }; struct omapfb_ovl_colormode { __u8 overlay_idx; __u8 mode_idx; __u32 bits_per_pixel; __u32 nonstd; struct fb_bitfield red; struct fb_bitfield green; struct fb_bitfield blue; struct fb_bitfield transp; }; struct omapfb_vram_info { __u32 total; __u32 free; __u32 largest_free_block; __u32 reserved[5]; }; #ifdef __KERNEL__ #include #include #include #include #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 #define OMAPFB_PLANE_XRES_MIN 8 #define OMAPFB_PLANE_YRES_MIN 8 #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 lcd_panel *panel, struct omapfb_device *fbdev); void (*cleanup) (struct lcd_panel *panel); int (*enable) (struct lcd_panel *panel); void (*disable) (struct lcd_panel *panel); unsigned long (*get_caps) (struct lcd_panel *panel); int (*set_bklight_level)(struct lcd_panel *panel, unsigned int level); unsigned int (*get_bklight_level)(struct lcd_panel *panel); unsigned int (*get_bklight_max) (struct lcd_panel *panel); int (*run_test) (struct lcd_panel *panel, int test_num); }; 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) (struct omapfb_device *fbdev); void (*cleanup) (void); void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div); unsigned long (*get_max_tx_rate)(void); 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); int (*setup_tearsync) (unsigned pin_cnt, unsigned hs_pulse_time, unsigned vs_pulse_time, int hs_pol_inv, int vs_pol_inv, int div); int (*enable_tearsync) (int enable, unsigned line); unsigned long max_transmit_size; }; struct omapfb_notifier_block { struct notifier_block nb; void *data; int plane_idx; }; typedef int (*omapfb_notifier_callback_t)(struct notifier_block *, unsigned long event, void *fbi); struct omapfb_mem_region { u32 paddr; void __iomem *vaddr; unsigned long size; u8 type; /* OMAPFB_PLANE_MEM_* */ enum omapfb_color_format format;/* OMAPFB_COLOR_* */ unsigned format_used:1; /* Must be set when format is set. * Needed b/c of the badly chosen 0 * base for OMAPFB_COLOR_* values */ unsigned alloc:1; /* allocated by the driver */ unsigned map:1; /* kernel mapped by the driver */ }; struct omapfb_mem_desc { int region_cnt; struct omapfb_mem_region region[OMAPFB_PLANE_NUM]; }; struct lcd_ctrl { const char *name; void *data; int (*init) (struct omapfb_device *fbdev, int ext_mode, struct omapfb_mem_desc *req_md); void (*cleanup) (void); void (*bind_client) (struct omapfb_notifier_block *nb); void (*get_caps) (int plane, struct omapfb_caps *caps); int (*set_update_mode)(enum omapfb_update_mode mode); enum omapfb_update_mode (*get_update_mode)(void); int (*setup_plane) (int plane, int enable, int channel_out, unsigned long baddr, int screen_width, int pos_x, int pos_y, int width, int height, int out_width, int out_height, int color_mode, int rotate); int (*setup_mem) (int plane, size_t size, int mem_type, unsigned long *paddr); int (*mmap) (struct fb_info *info, struct vm_area_struct *vma); int (*update_window) (struct fb_info *fbi, struct omapfb_update_window *win, void (*callback)(void *), void *callback_data); int (*sync) (enum omapfb_channel_out channel_out); 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); int (*get_color_key) (struct omapfb_color_key *ck); }; enum omapfb_state { OMAPFB_DISABLED = 0, OMAPFB_SUSPENDED= 99, OMAPFB_ACTIVE = 100 }; struct omapfb_plane_struct { int idx; struct omapfb_plane_info info; enum omapfb_color_format color_mode; struct omapfb_device *fbdev; struct lcd_panel *panel; }; struct omapfb_device { int state; int ext_lcdc; /* Using external LCD controller */ struct mutex rqueue_mutex; int palette_size; u32 pseudo_palette[17]; struct lcd_panel *lcd_panel; /* LCD panel */ const struct lcd_ctrl *ctrl; /* LCD controller */ const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */ struct lcd_ctrl_extif *ext_if; /* LCD ctrl external interface */ struct lcd_panel *digital_panel; /* panel for VENC */ struct device *dev; struct fb_var_screeninfo new_var; /* for mode changes */ struct omapfb_mem_desc mem_desc; struct fb_info *fb_info[OMAPFB_PLANE_NUM]; }; struct omapfb_platform_data { struct omap_lcd_config lcd; struct omapfb_mem_desc mem_desc; void *ctrl_platform_data; }; #ifdef CONFIG_ARCH_OMAP1 extern struct lcd_ctrl omap1_lcd_ctrl; #else extern struct lcd_ctrl omap2_disp_ctrl; #endif extern void omapfb_set_platform_data(struct omapfb_platform_data *data); extern void omapfb_reserve_sdram(void); extern void omapfb_register_panel(struct lcd_panel *panel); extern void omapfb_unregister_panel(struct lcd_panel *panel, struct omapfb_device *fbdev); 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 fb_info *fbi, struct omapfb_update_window *win, void (*callback)(void *), void *callback_data); /* in arch/arm/plat-omap/fb.c */ extern void omapfb_set_ctrl_platform_data(void *pdata); #endif /* __KERNEL__ */ #endif /* __OMAPFB_H */