| 1 | /* |
| 2 | * File: arch/arm/plat-omap/include/mach/omapfb.h |
| 3 | * |
| 4 | * Framebuffer driver for TI OMAP boards |
| 5 | * |
| 6 | * Copyright (C) 2004 Nokia Corporation |
| 7 | * Author: Imre Deak <imre.deak@nokia.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License as published by the |
| 11 | * Free Software Foundation; either version 2 of the License, or (at your |
| 12 | * option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 21 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 22 | */ |
| 23 | |
| 24 | #ifndef __OMAPFB_H |
| 25 | #define __OMAPFB_H |
| 26 | |
| 27 | #include <asm/ioctl.h> |
| 28 | #include <asm/types.h> |
| 29 | |
| 30 | /* IOCTL commands. */ |
| 31 | |
| 32 | #define OMAP_IOW(num, dtype) _IOW('O', num, dtype) |
| 33 | #define OMAP_IOR(num, dtype) _IOR('O', num, dtype) |
| 34 | #define OMAP_IOWR(num, dtype) _IOWR('O', num, dtype) |
| 35 | #define OMAP_IO(num) _IO('O', num) |
| 36 | |
| 37 | #define OMAPFB_MIRROR OMAP_IOW(31, int) |
| 38 | #define OMAPFB_SYNC_GFX OMAP_IO(37) |
| 39 | #define OMAPFB_VSYNC OMAP_IO(38) |
| 40 | #define OMAPFB_SET_UPDATE_MODE OMAP_IOW(40, int) |
| 41 | #define OMAPFB_GET_CAPS OMAP_IOR(42, struct omapfb_caps) |
| 42 | #define OMAPFB_GET_UPDATE_MODE OMAP_IOW(43, int) |
| 43 | #define OMAPFB_LCD_TEST OMAP_IOW(45, int) |
| 44 | #define OMAPFB_CTRL_TEST OMAP_IOW(46, int) |
| 45 | #define OMAPFB_UPDATE_WINDOW_OLD OMAP_IOW(47, struct omapfb_update_window_old) |
| 46 | #define OMAPFB_SET_COLOR_KEY OMAP_IOW(50, struct omapfb_color_key) |
| 47 | #define OMAPFB_GET_COLOR_KEY OMAP_IOW(51, struct omapfb_color_key) |
| 48 | #define OMAPFB_SETUP_PLANE OMAP_IOW(52, struct omapfb_plane_info) |
| 49 | #define OMAPFB_QUERY_PLANE OMAP_IOW(53, struct omapfb_plane_info) |
| 50 | #define OMAPFB_UPDATE_WINDOW OMAP_IOW(54, struct omapfb_update_window) |
| 51 | #define OMAPFB_SETUP_MEM OMAP_IOW(55, struct omapfb_mem_info) |
| 52 | #define OMAPFB_QUERY_MEM OMAP_IOW(56, struct omapfb_mem_info) |
| 53 | #define OMAPFB_WAITFORVSYNC OMAP_IO(57) |
| 54 | #define OMAPFB_MEMORY_READ OMAP_IOR(58, struct omapfb_memory_read) |
| 55 | |
| 56 | #ifndef FBIO_WAITFORVSYNC |
| 57 | #define FBIO_WAITFORVSYNC _IOW('F', 0x20, u_int32_t) |
| 58 | #endif |
| 59 | |
| 60 | #define OMAPFB_CAPS_GENERIC_MASK 0x00000fff |
| 61 | #define OMAPFB_CAPS_LCDC_MASK 0x00fff000 |
| 62 | #define OMAPFB_CAPS_PANEL_MASK 0xff000000 |
| 63 | |
| 64 | #define OMAPFB_CAPS_MANUAL_UPDATE 0x00001000 |
| 65 | #define OMAPFB_CAPS_TEARSYNC 0x00002000 |
| 66 | #define OMAPFB_CAPS_PLANE_RELOCATE_MEM 0x00004000 |
| 67 | #define OMAPFB_CAPS_PLANE_SCALE 0x00008000 |
| 68 | #define OMAPFB_CAPS_WINDOW_PIXEL_DOUBLE 0x00010000 |
| 69 | #define OMAPFB_CAPS_WINDOW_SCALE 0x00020000 |
| 70 | #define OMAPFB_CAPS_WINDOW_OVERLAY 0x00040000 |
| 71 | #define OMAPFB_CAPS_WINDOW_ROTATE 0x00080000 |
| 72 | #define OMAPFB_CAPS_SET_BACKLIGHT 0x01000000 |
| 73 | |
| 74 | /* Values from DSP must map to lower 16-bits */ |
| 75 | #define OMAPFB_FORMAT_MASK 0x00ff |
| 76 | #define OMAPFB_FORMAT_FLAG_DOUBLE 0x0100 |
| 77 | #define OMAPFB_FORMAT_FLAG_TEARSYNC 0x0200 |
| 78 | #define OMAPFB_FORMAT_FLAG_FORCE_VSYNC 0x0400 |
| 79 | #define OMAPFB_FORMAT_FLAG_ENABLE_OVERLAY 0x0800 |
| 80 | #define OMAPFB_FORMAT_FLAG_DISABLE_OVERLAY 0x1000 |
| 81 | |
| 82 | #define OMAPFB_EVENT_READY 1 |
| 83 | #define OMAPFB_EVENT_DISABLED 2 |
| 84 | |
| 85 | #define OMAPFB_MEMTYPE_SDRAM 0 |
| 86 | #define OMAPFB_MEMTYPE_SRAM 1 |
| 87 | #define OMAPFB_MEMTYPE_MAX 1 |
| 88 | |
| 89 | enum omapfb_color_format { |
| 90 | OMAPFB_COLOR_RGB565 = 0, |
| 91 | OMAPFB_COLOR_YUV422, |
| 92 | OMAPFB_COLOR_YUV420, |
| 93 | OMAPFB_COLOR_CLUT_8BPP, |
| 94 | OMAPFB_COLOR_CLUT_4BPP, |
| 95 | OMAPFB_COLOR_CLUT_2BPP, |
| 96 | OMAPFB_COLOR_CLUT_1BPP, |
| 97 | OMAPFB_COLOR_RGB444, |
| 98 | OMAPFB_COLOR_YUY422, |
| 99 | |
| 100 | OMAPFB_COLOR_ARGB16, |
| 101 | OMAPFB_COLOR_RGB24U, /* RGB24, 32-bit container */ |
| 102 | OMAPFB_COLOR_RGB24P, /* RGB24, 24-bit container */ |
| 103 | OMAPFB_COLOR_ARGB32, |
| 104 | OMAPFB_COLOR_RGBA32, |
| 105 | OMAPFB_COLOR_RGBX32, |
| 106 | }; |
| 107 | |
| 108 | struct omapfb_update_window { |
| 109 | __u32 x, y; |
| 110 | __u32 width, height; |
| 111 | __u32 format; |
| 112 | __u32 out_x, out_y; |
| 113 | __u32 out_width, out_height; |
| 114 | __u32 reserved[8]; |
| 115 | }; |
| 116 | |
| 117 | struct omapfb_update_window_old { |
| 118 | __u32 x, y; |
| 119 | __u32 width, height; |
| 120 | __u32 format; |
| 121 | }; |
| 122 | |
| 123 | enum omapfb_plane { |
| 124 | OMAPFB_PLANE_GFX = 0, |
| 125 | OMAPFB_PLANE_VID1, |
| 126 | OMAPFB_PLANE_VID2, |
| 127 | }; |
| 128 | |
| 129 | enum omapfb_channel_out { |
| 130 | OMAPFB_CHANNEL_OUT_LCD = 0, |
| 131 | OMAPFB_CHANNEL_OUT_DIGIT, |
| 132 | }; |
| 133 | |
| 134 | struct omapfb_plane_info { |
| 135 | __u32 pos_x; |
| 136 | __u32 pos_y; |
| 137 | __u8 enabled; |
| 138 | __u8 channel_out; |
| 139 | __u8 mirror; |
| 140 | __u8 reserved1; |
| 141 | __u32 out_width; |
| 142 | __u32 out_height; |
| 143 | __u32 reserved2[12]; |
| 144 | }; |
| 145 | |
| 146 | struct omapfb_mem_info { |
| 147 | __u32 size; |
| 148 | __u8 type; |
| 149 | __u8 reserved[3]; |
| 150 | }; |
| 151 | |
| 152 | struct omapfb_caps { |
| 153 | __u32 ctrl; |
| 154 | __u32 plane_color; |
| 155 | __u32 wnd_color; |
| 156 | }; |
| 157 | |
| 158 | enum omapfb_color_key_type { |
| 159 | OMAPFB_COLOR_KEY_DISABLED = 0, |
| 160 | OMAPFB_COLOR_KEY_GFX_DST, |
| 161 | OMAPFB_COLOR_KEY_VID_SRC, |
| 162 | }; |
| 163 | |
| 164 | struct omapfb_color_key { |
| 165 | __u8 channel_out; |
| 166 | __u32 background; |
| 167 | __u32 trans_key; |
| 168 | __u8 key_type; |
| 169 | }; |
| 170 | |
| 171 | enum omapfb_update_mode { |
| 172 | OMAPFB_UPDATE_DISABLED = 0, |
| 173 | OMAPFB_AUTO_UPDATE, |
| 174 | OMAPFB_MANUAL_UPDATE |
| 175 | }; |
| 176 | |
| 177 | struct omapfb_memory_read { |
| 178 | __u16 x; |
| 179 | __u16 y; |
| 180 | __u16 w; |
| 181 | __u16 h; |
| 182 | size_t buffer_size; |
| 183 | void *buffer; |
| 184 | }; |
| 185 | |
| 186 | #ifdef __KERNEL__ |
| 187 | |
| 188 | #include <linux/completion.h> |
| 189 | #include <linux/interrupt.h> |
| 190 | #include <linux/fb.h> |
| 191 | #include <linux/mutex.h> |
| 192 | |
| 193 | #include <mach/board.h> |
| 194 | |
| 195 | #define OMAP_LCDC_INV_VSYNC 0x0001 |
| 196 | #define OMAP_LCDC_INV_HSYNC 0x0002 |
| 197 | #define OMAP_LCDC_INV_PIX_CLOCK 0x0004 |
| 198 | #define OMAP_LCDC_INV_OUTPUT_EN 0x0008 |
| 199 | #define OMAP_LCDC_HSVS_RISING_EDGE 0x0010 |
| 200 | #define OMAP_LCDC_HSVS_OPPOSITE 0x0020 |
| 201 | |
| 202 | #define OMAP_LCDC_SIGNAL_MASK 0x003f |
| 203 | |
| 204 | #define OMAP_LCDC_PANEL_TFT 0x0100 |
| 205 | |
| 206 | #define OMAPFB_PLANE_XRES_MIN 8 |
| 207 | #define OMAPFB_PLANE_YRES_MIN 8 |
| 208 | |
| 209 | #ifdef CONFIG_ARCH_OMAP1 |
| 210 | #define OMAPFB_PLANE_NUM 1 |
| 211 | #else |
| 212 | #define OMAPFB_PLANE_NUM 3 |
| 213 | #endif |
| 214 | |
| 215 | struct omapfb_device; |
| 216 | |
| 217 | struct lcd_panel { |
| 218 | const char *name; |
| 219 | int config; /* TFT/STN, signal inversion */ |
| 220 | int bpp; /* Pixel format in fb mem */ |
| 221 | int data_lines; /* Lines on LCD HW interface */ |
| 222 | |
| 223 | int x_res, y_res; |
| 224 | int pixel_clock; /* In kHz */ |
| 225 | int hsw; /* Horizontal synchronization |
| 226 | pulse width */ |
| 227 | int hfp; /* Horizontal front porch */ |
| 228 | int hbp; /* Horizontal back porch */ |
| 229 | int vsw; /* Vertical synchronization |
| 230 | pulse width */ |
| 231 | int vfp; /* Vertical front porch */ |
| 232 | int vbp; /* Vertical back porch */ |
| 233 | int acb; /* ac-bias pin frequency */ |
| 234 | int pcd; /* pixel clock divider. |
| 235 | Obsolete use pixel_clock instead */ |
| 236 | |
| 237 | int (*init) (struct lcd_panel *panel, |
| 238 | struct omapfb_device *fbdev); |
| 239 | void (*cleanup) (struct lcd_panel *panel); |
| 240 | int (*enable) (struct lcd_panel *panel); |
| 241 | void (*disable) (struct lcd_panel *panel); |
| 242 | unsigned long (*get_caps) (struct lcd_panel *panel); |
| 243 | int (*set_bklight_level)(struct lcd_panel *panel, |
| 244 | unsigned int level); |
| 245 | unsigned int (*get_bklight_level)(struct lcd_panel *panel); |
| 246 | unsigned int (*get_bklight_max) (struct lcd_panel *panel); |
| 247 | int (*run_test) (struct lcd_panel *panel, int test_num); |
| 248 | }; |
| 249 | |
| 250 | struct extif_timings { |
| 251 | int cs_on_time; |
| 252 | int cs_off_time; |
| 253 | int we_on_time; |
| 254 | int we_off_time; |
| 255 | int re_on_time; |
| 256 | int re_off_time; |
| 257 | int we_cycle_time; |
| 258 | int re_cycle_time; |
| 259 | int cs_pulse_width; |
| 260 | int access_time; |
| 261 | |
| 262 | int clk_div; |
| 263 | |
| 264 | u32 tim[5]; /* set by extif->convert_timings */ |
| 265 | |
| 266 | int converted; |
| 267 | }; |
| 268 | |
| 269 | struct lcd_ctrl_extif { |
| 270 | int (*init) (struct omapfb_device *fbdev); |
| 271 | void (*cleanup) (void); |
| 272 | void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div); |
| 273 | unsigned long (*get_max_tx_rate)(void); |
| 274 | int (*convert_timings) (struct extif_timings *timings); |
| 275 | void (*set_timings) (const struct extif_timings *timings); |
| 276 | void (*set_bits_per_cycle)(int bpc); |
| 277 | void (*write_command) (const void *buf, unsigned int len); |
| 278 | void (*read_data) (void *buf, unsigned int len); |
| 279 | void (*write_data) (const void *buf, unsigned int len); |
| 280 | void (*transfer_area) (int width, int height, |
| 281 | void (callback)(void * data), void *data); |
| 282 | int (*setup_tearsync) (unsigned pin_cnt, |
| 283 | unsigned hs_pulse_time, unsigned vs_pulse_time, |
| 284 | int hs_pol_inv, int vs_pol_inv, int div); |
| 285 | int (*enable_tearsync) (int enable, unsigned line); |
| 286 | |
| 287 | unsigned long max_transmit_size; |
| 288 | }; |
| 289 | |
| 290 | struct omapfb_notifier_block { |
| 291 | struct notifier_block nb; |
| 292 | void *data; |
| 293 | int plane_idx; |
| 294 | }; |
| 295 | |
| 296 | typedef int (*omapfb_notifier_callback_t)(struct notifier_block *, |
| 297 | unsigned long event, |
| 298 | void *fbi); |
| 299 | |
| 300 | struct omapfb_mem_region { |
| 301 | u32 paddr; |
| 302 | void __iomem *vaddr; |
| 303 | unsigned long size; |
| 304 | u8 type; /* OMAPFB_PLANE_MEM_* */ |
| 305 | enum omapfb_color_format format;/* OMAPFB_COLOR_* */ |
| 306 | unsigned format_used:1; /* Must be set when format is set. |
| 307 | * Needed b/c of the badly chosen 0 |
| 308 | * base for OMAPFB_COLOR_* values |
| 309 | */ |
| 310 | unsigned alloc:1; /* allocated by the driver */ |
| 311 | unsigned map:1; /* kernel mapped by the driver */ |
| 312 | }; |
| 313 | |
| 314 | struct omapfb_mem_desc { |
| 315 | int region_cnt; |
| 316 | struct omapfb_mem_region region[OMAPFB_PLANE_NUM]; |
| 317 | }; |
| 318 | |
| 319 | struct lcd_ctrl { |
| 320 | const char *name; |
| 321 | void *data; |
| 322 | |
| 323 | int (*init) (struct omapfb_device *fbdev, |
| 324 | int ext_mode, |
| 325 | struct omapfb_mem_desc *req_md); |
| 326 | void (*cleanup) (void); |
| 327 | void (*bind_client) (struct omapfb_notifier_block *nb); |
| 328 | void (*get_caps) (int plane, struct omapfb_caps *caps); |
| 329 | int (*set_update_mode)(enum omapfb_update_mode mode); |
| 330 | enum omapfb_update_mode (*get_update_mode)(void); |
| 331 | int (*setup_plane) (int plane, int channel_out, |
| 332 | unsigned long offset, |
| 333 | int screen_width, |
| 334 | int pos_x, int pos_y, int width, |
| 335 | int height, int color_mode); |
| 336 | int (*set_rotate) (int angle); |
| 337 | int (*setup_mem) (int plane, size_t size, |
| 338 | int mem_type, unsigned long *paddr); |
| 339 | int (*mmap) (struct fb_info *info, |
| 340 | struct vm_area_struct *vma); |
| 341 | int (*set_scale) (int plane, |
| 342 | int orig_width, int orig_height, |
| 343 | int out_width, int out_height); |
| 344 | int (*enable_plane) (int plane, int enable); |
| 345 | int (*update_window) (struct fb_info *fbi, |
| 346 | struct omapfb_update_window *win, |
| 347 | void (*callback)(void *), |
| 348 | void *callback_data); |
| 349 | void (*sync) (void); |
| 350 | void (*suspend) (void); |
| 351 | void (*resume) (void); |
| 352 | int (*run_test) (int test_num); |
| 353 | int (*setcolreg) (u_int regno, u16 red, u16 green, |
| 354 | u16 blue, u16 transp, |
| 355 | int update_hw_mem); |
| 356 | int (*set_color_key) (struct omapfb_color_key *ck); |
| 357 | int (*get_color_key) (struct omapfb_color_key *ck); |
| 358 | }; |
| 359 | |
| 360 | enum omapfb_state { |
| 361 | OMAPFB_DISABLED = 0, |
| 362 | OMAPFB_SUSPENDED= 99, |
| 363 | OMAPFB_ACTIVE = 100 |
| 364 | }; |
| 365 | |
| 366 | struct omapfb_plane_struct { |
| 367 | int idx; |
| 368 | struct omapfb_plane_info info; |
| 369 | enum omapfb_color_format color_mode; |
| 370 | struct omapfb_device *fbdev; |
| 371 | }; |
| 372 | |
| 373 | struct omapfb_device { |
| 374 | int state; |
| 375 | int ext_lcdc; /* Using external |
| 376 | LCD controller */ |
| 377 | struct mutex rqueue_mutex; |
| 378 | |
| 379 | int palette_size; |
| 380 | u32 pseudo_palette[17]; |
| 381 | |
| 382 | struct lcd_panel *panel; /* LCD panel */ |
| 383 | const struct lcd_ctrl *ctrl; /* LCD controller */ |
| 384 | const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */ |
| 385 | struct lcd_ctrl_extif *ext_if; /* LCD ctrl external |
| 386 | interface */ |
| 387 | struct device *dev; |
| 388 | struct fb_var_screeninfo new_var; /* for mode changes */ |
| 389 | |
| 390 | struct omapfb_mem_desc mem_desc; |
| 391 | struct fb_info *fb_info[OMAPFB_PLANE_NUM]; |
| 392 | }; |
| 393 | |
| 394 | struct omapfb_platform_data { |
| 395 | struct omap_lcd_config lcd; |
| 396 | struct omapfb_mem_desc mem_desc; |
| 397 | void *ctrl_platform_data; |
| 398 | }; |
| 399 | |
| 400 | #ifdef CONFIG_ARCH_OMAP1 |
| 401 | extern struct lcd_ctrl omap1_lcd_ctrl; |
| 402 | #else |
| 403 | extern struct lcd_ctrl omap2_disp_ctrl; |
| 404 | #endif |
| 405 | |
| 406 | extern void omapfb_set_platform_data(struct omapfb_platform_data *data); |
| 407 | |
| 408 | extern void omapfb_reserve_sdram(void); |
| 409 | extern void omapfb_register_panel(struct lcd_panel *panel); |
| 410 | extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval); |
| 411 | extern void omapfb_notify_clients(struct omapfb_device *fbdev, |
| 412 | unsigned long event); |
| 413 | extern int omapfb_register_client(struct omapfb_notifier_block *nb, |
| 414 | omapfb_notifier_callback_t callback, |
| 415 | void *callback_data); |
| 416 | extern int omapfb_unregister_client(struct omapfb_notifier_block *nb); |
| 417 | extern int omapfb_update_window_async(struct fb_info *fbi, |
| 418 | struct omapfb_update_window *win, |
| 419 | void (*callback)(void *), |
| 420 | void *callback_data); |
| 421 | |
| 422 | /* in arch/arm/plat-omap/fb.c */ |
| 423 | extern void omapfb_set_ctrl_platform_data(void *pdata); |
| 424 | |
| 425 | #endif /* __KERNEL__ */ |
| 426 | |
| 427 | #endif /* __OMAPFB_H */ |