Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1 | /* |
| 2 | * BRIEF MODULE DESCRIPTION |
| 3 | * Au1200 LCD Driver. |
| 4 | * |
| 5 | * Copyright 2004-2005 AMD |
| 6 | * Author: AMD |
| 7 | * |
| 8 | * Based on: |
| 9 | * linux/drivers/video/skeletonfb.c -- Skeleton for a frame buffer device |
| 10 | * Created 28 Dec 1997 by Geert Uytterhoeven |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify it |
| 13 | * under the terms of the GNU General Public License as published by the |
| 14 | * Free Software Foundation; either version 2 of the License, or (at your |
| 15 | * option) any later version. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 20 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 23 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 24 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * |
| 28 | * You should have received a copy of the GNU General Public License along |
| 29 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 30 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 31 | */ |
| 32 | |
| 33 | #include <linux/module.h> |
| 34 | #include <linux/platform_device.h> |
| 35 | #include <linux/kernel.h> |
| 36 | #include <linux/errno.h> |
| 37 | #include <linux/string.h> |
| 38 | #include <linux/mm.h> |
| 39 | #include <linux/fb.h> |
| 40 | #include <linux/init.h> |
| 41 | #include <linux/interrupt.h> |
| 42 | #include <linux/ctype.h> |
| 43 | #include <linux/dma-mapping.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 44 | #include <linux/slab.h> |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 45 | |
| 46 | #include <asm/mach-au1x00/au1000.h> |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 47 | #include <asm/mach-au1x00/au1200fb.h> /* platform_data */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 48 | #include "au1200fb.h" |
| 49 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 50 | #define DRIVER_NAME "au1200fb" |
| 51 | #define DRIVER_DESC "LCD controller driver for AU1200 processors" |
| 52 | |
Manuel Lauss | f49446e | 2011-09-02 16:40:51 +0200 | [diff] [blame] | 53 | #define DEBUG 0 |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 54 | |
| 55 | #define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg) |
| 56 | #define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg) |
| 57 | #define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg) |
| 58 | |
| 59 | #if DEBUG |
| 60 | #define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg) |
| 61 | #else |
| 62 | #define print_dbg(f, arg...) do {} while (0) |
| 63 | #endif |
| 64 | |
| 65 | |
| 66 | #define AU1200_LCD_FB_IOCTL 0x46FF |
| 67 | |
| 68 | #define AU1200_LCD_SET_SCREEN 1 |
| 69 | #define AU1200_LCD_GET_SCREEN 2 |
| 70 | #define AU1200_LCD_SET_WINDOW 3 |
| 71 | #define AU1200_LCD_GET_WINDOW 4 |
| 72 | #define AU1200_LCD_SET_PANEL 5 |
| 73 | #define AU1200_LCD_GET_PANEL 6 |
| 74 | |
| 75 | #define SCREEN_SIZE (1<< 1) |
| 76 | #define SCREEN_BACKCOLOR (1<< 2) |
| 77 | #define SCREEN_BRIGHTNESS (1<< 3) |
| 78 | #define SCREEN_COLORKEY (1<< 4) |
| 79 | #define SCREEN_MASK (1<< 5) |
| 80 | |
| 81 | struct au1200_lcd_global_regs_t { |
| 82 | unsigned int flags; |
| 83 | unsigned int xsize; |
| 84 | unsigned int ysize; |
| 85 | unsigned int backcolor; |
| 86 | unsigned int brightness; |
| 87 | unsigned int colorkey; |
| 88 | unsigned int mask; |
| 89 | unsigned int panel_choice; |
| 90 | char panel_desc[80]; |
| 91 | |
| 92 | }; |
| 93 | |
| 94 | #define WIN_POSITION (1<< 0) |
| 95 | #define WIN_ALPHA_COLOR (1<< 1) |
| 96 | #define WIN_ALPHA_MODE (1<< 2) |
| 97 | #define WIN_PRIORITY (1<< 3) |
| 98 | #define WIN_CHANNEL (1<< 4) |
| 99 | #define WIN_BUFFER_FORMAT (1<< 5) |
| 100 | #define WIN_COLOR_ORDER (1<< 6) |
| 101 | #define WIN_PIXEL_ORDER (1<< 7) |
| 102 | #define WIN_SIZE (1<< 8) |
| 103 | #define WIN_COLORKEY_MODE (1<< 9) |
| 104 | #define WIN_DOUBLE_BUFFER_MODE (1<< 10) |
| 105 | #define WIN_RAM_ARRAY_MODE (1<< 11) |
| 106 | #define WIN_BUFFER_SCALE (1<< 12) |
| 107 | #define WIN_ENABLE (1<< 13) |
| 108 | |
| 109 | struct au1200_lcd_window_regs_t { |
| 110 | unsigned int flags; |
| 111 | unsigned int xpos; |
| 112 | unsigned int ypos; |
| 113 | unsigned int alpha_color; |
| 114 | unsigned int alpha_mode; |
| 115 | unsigned int priority; |
| 116 | unsigned int channel; |
| 117 | unsigned int buffer_format; |
| 118 | unsigned int color_order; |
| 119 | unsigned int pixel_order; |
| 120 | unsigned int xsize; |
| 121 | unsigned int ysize; |
| 122 | unsigned int colorkey_mode; |
| 123 | unsigned int double_buffer_mode; |
| 124 | unsigned int ram_array_mode; |
| 125 | unsigned int xscale; |
| 126 | unsigned int yscale; |
| 127 | unsigned int enable; |
| 128 | }; |
| 129 | |
| 130 | |
| 131 | struct au1200_lcd_iodata_t { |
| 132 | unsigned int subcmd; |
| 133 | struct au1200_lcd_global_regs_t global; |
| 134 | struct au1200_lcd_window_regs_t window; |
| 135 | }; |
| 136 | |
| 137 | #if defined(__BIG_ENDIAN) |
| 138 | #define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11 |
| 139 | #else |
| 140 | #define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00 |
| 141 | #endif |
| 142 | #define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565 |
| 143 | |
| 144 | /* Private, per-framebuffer management information (independent of the panel itself) */ |
| 145 | struct au1200fb_device { |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 146 | struct fb_info *fb_info; /* FB driver info record */ |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 147 | struct au1200fb_platdata *pd; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 148 | |
| 149 | int plane; |
| 150 | unsigned char* fb_mem; /* FrameBuffer memory map */ |
| 151 | unsigned int fb_len; |
| 152 | dma_addr_t fb_phys; |
| 153 | }; |
| 154 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 155 | /********************************************************************/ |
| 156 | |
| 157 | /* LCD controller restrictions */ |
| 158 | #define AU1200_LCD_MAX_XRES 1280 |
| 159 | #define AU1200_LCD_MAX_YRES 1024 |
| 160 | #define AU1200_LCD_MAX_BPP 32 |
| 161 | #define AU1200_LCD_MAX_CLK 96000000 /* fixme: this needs to go away ? */ |
| 162 | #define AU1200_LCD_NBR_PALETTE_ENTRIES 256 |
| 163 | |
| 164 | /* Default number of visible screen buffer to allocate */ |
| 165 | #define AU1200FB_NBR_VIDEO_BUFFERS 1 |
| 166 | |
Manuel Lauss | 8be90b0 | 2011-06-10 15:23:03 +0000 | [diff] [blame] | 167 | /* Default maximum number of fb devices to create */ |
| 168 | #define MAX_DEVICE_COUNT 4 |
| 169 | |
| 170 | /* Default window configuration entry to use (see windows[]) */ |
| 171 | #define DEFAULT_WINDOW_INDEX 2 |
| 172 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 173 | /********************************************************************/ |
| 174 | |
Manuel Lauss | 8be90b0 | 2011-06-10 15:23:03 +0000 | [diff] [blame] | 175 | static struct fb_info *_au1200fb_infos[MAX_DEVICE_COUNT]; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 176 | static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR; |
Manuel Lauss | 8be90b0 | 2011-06-10 15:23:03 +0000 | [diff] [blame] | 177 | static int device_count = MAX_DEVICE_COUNT; |
| 178 | static int window_index = DEFAULT_WINDOW_INDEX; /* default is zero */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 179 | static int panel_index = 2; /* default is zero */ |
| 180 | static struct window_settings *win; |
| 181 | static struct panel_settings *panel; |
| 182 | static int noblanking = 1; |
| 183 | static int nohwcursor = 0; |
| 184 | |
| 185 | struct window_settings { |
| 186 | unsigned char name[64]; |
| 187 | uint32 mode_backcolor; |
| 188 | uint32 mode_colorkey; |
| 189 | uint32 mode_colorkeymsk; |
| 190 | struct { |
| 191 | int xres; |
| 192 | int yres; |
| 193 | int xpos; |
| 194 | int ypos; |
| 195 | uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */ |
| 196 | uint32 mode_winenable; |
| 197 | } w[4]; |
| 198 | }; |
| 199 | |
| 200 | #if defined(__BIG_ENDIAN) |
| 201 | #define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00 |
| 202 | #else |
| 203 | #define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01 |
| 204 | #endif |
| 205 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 206 | /* |
| 207 | * Default window configurations |
| 208 | */ |
| 209 | static struct window_settings windows[] = { |
| 210 | { /* Index 0 */ |
| 211 | "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", |
| 212 | /* mode_backcolor */ 0x006600ff, |
| 213 | /* mode_colorkey,msk*/ 0, 0, |
| 214 | { |
| 215 | { |
| 216 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| 217 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| 218 | LCD_WINCTRL1_PO_16BPP, |
| 219 | /* mode_winenable*/ LCD_WINENABLE_WEN0, |
| 220 | }, |
| 221 | { |
| 222 | /* xres, yres, xpos, ypos */ 100, 100, 100, 100, |
| 223 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| 224 | LCD_WINCTRL1_PO_16BPP | |
| 225 | LCD_WINCTRL1_PIPE, |
| 226 | /* mode_winenable*/ LCD_WINENABLE_WEN1, |
| 227 | }, |
| 228 | { |
| 229 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| 230 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| 231 | LCD_WINCTRL1_PO_16BPP, |
| 232 | /* mode_winenable*/ 0, |
| 233 | }, |
| 234 | { |
| 235 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| 236 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| 237 | LCD_WINCTRL1_PO_16BPP | |
| 238 | LCD_WINCTRL1_PIPE, |
| 239 | /* mode_winenable*/ 0, |
| 240 | }, |
| 241 | }, |
| 242 | }, |
| 243 | |
| 244 | { /* Index 1 */ |
| 245 | "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", |
| 246 | /* mode_backcolor */ 0x006600ff, |
| 247 | /* mode_colorkey,msk*/ 0, 0, |
| 248 | { |
| 249 | { |
| 250 | /* xres, yres, xpos, ypos */ 320, 240, 5, 5, |
| 251 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP | |
| 252 | LCD_WINCTRL1_PO_00, |
| 253 | /* mode_winenable*/ LCD_WINENABLE_WEN0, |
| 254 | }, |
| 255 | { |
| 256 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| 257 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
| 258 | | LCD_WINCTRL1_PO_16BPP, |
| 259 | /* mode_winenable*/ 0, |
| 260 | }, |
| 261 | { |
| 262 | /* xres, yres, xpos, ypos */ 100, 100, 0, 0, |
| 263 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| 264 | LCD_WINCTRL1_PO_16BPP | |
| 265 | LCD_WINCTRL1_PIPE, |
| 266 | /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, |
| 267 | }, |
| 268 | { |
| 269 | /* xres, yres, xpos, ypos */ 200, 25, 0, 0, |
| 270 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| 271 | LCD_WINCTRL1_PO_16BPP | |
| 272 | LCD_WINCTRL1_PIPE, |
| 273 | /* mode_winenable*/ 0, |
| 274 | }, |
| 275 | }, |
| 276 | }, |
| 277 | { /* Index 2 */ |
| 278 | "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", |
| 279 | /* mode_backcolor */ 0x006600ff, |
| 280 | /* mode_colorkey,msk*/ 0, 0, |
| 281 | { |
| 282 | { |
| 283 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| 284 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| 285 | LCD_WINCTRL1_PO_16BPP, |
| 286 | /* mode_winenable*/ LCD_WINENABLE_WEN0, |
| 287 | }, |
| 288 | { |
| 289 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| 290 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| 291 | LCD_WINCTRL1_PO_16BPP, |
| 292 | /* mode_winenable*/ 0, |
| 293 | }, |
| 294 | { |
| 295 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| 296 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP | |
| 297 | LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE, |
| 298 | /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, |
| 299 | }, |
| 300 | { |
| 301 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| 302 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| 303 | LCD_WINCTRL1_PO_16BPP | |
| 304 | LCD_WINCTRL1_PIPE, |
| 305 | /* mode_winenable*/ 0, |
| 306 | }, |
| 307 | }, |
| 308 | }, |
| 309 | /* Need VGA 640 @ 24bpp, @ 32bpp */ |
| 310 | /* Need VGA 800 @ 24bpp, @ 32bpp */ |
| 311 | /* Need VGA 1024 @ 24bpp, @ 32bpp */ |
| 312 | }; |
| 313 | |
| 314 | /* |
| 315 | * Controller configurations for various panels. |
| 316 | */ |
| 317 | |
| 318 | struct panel_settings |
| 319 | { |
| 320 | const char name[25]; /* Full name <vendor>_<model> */ |
| 321 | |
| 322 | struct fb_monspecs monspecs; /* FB monitor specs */ |
| 323 | |
| 324 | /* panel timings */ |
| 325 | uint32 mode_screen; |
| 326 | uint32 mode_horztiming; |
| 327 | uint32 mode_verttiming; |
| 328 | uint32 mode_clkcontrol; |
| 329 | uint32 mode_pwmdiv; |
| 330 | uint32 mode_pwmhi; |
| 331 | uint32 mode_outmask; |
| 332 | uint32 mode_fifoctrl; |
| 333 | uint32 mode_toyclksrc; |
| 334 | uint32 mode_backlight; |
| 335 | uint32 mode_auxpll; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 336 | #define Xres min_xres |
| 337 | #define Yres min_yres |
| 338 | u32 min_xres; /* Minimum horizontal resolution */ |
| 339 | u32 max_xres; /* Maximum horizontal resolution */ |
| 340 | u32 min_yres; /* Minimum vertical resolution */ |
| 341 | u32 max_yres; /* Maximum vertical resolution */ |
| 342 | }; |
| 343 | |
| 344 | /********************************************************************/ |
| 345 | /* fixme: Maybe a modedb for the CRT ? otherwise panels should be as-is */ |
| 346 | |
| 347 | /* List of panels known to work with the AU1200 LCD controller. |
| 348 | * To add a new panel, enter the same specifications as the |
| 349 | * Generic_TFT one, and MAKE SURE that it doesn't conflicts |
| 350 | * with the controller restrictions. Restrictions are: |
| 351 | * |
| 352 | * STN color panels: max_bpp <= 12 |
| 353 | * STN mono panels: max_bpp <= 4 |
| 354 | * TFT panels: max_bpp <= 16 |
| 355 | * max_xres <= 800 |
| 356 | * max_yres <= 600 |
| 357 | */ |
| 358 | static struct panel_settings known_lcd_panels[] = |
| 359 | { |
| 360 | [0] = { /* QVGA 320x240 H:33.3kHz V:110Hz */ |
| 361 | .name = "QVGA_320x240", |
| 362 | .monspecs = { |
| 363 | .modedb = NULL, |
| 364 | .modedb_len = 0, |
| 365 | .hfmin = 30000, |
| 366 | .hfmax = 70000, |
| 367 | .vfmin = 60, |
| 368 | .vfmax = 60, |
| 369 | .dclkmin = 6000000, |
| 370 | .dclkmax = 28000000, |
| 371 | .input = FB_DISP_RGB, |
| 372 | }, |
| 373 | .mode_screen = LCD_SCREEN_SX_N(320) | |
| 374 | LCD_SCREEN_SY_N(240), |
| 375 | .mode_horztiming = 0x00c4623b, |
| 376 | .mode_verttiming = 0x00502814, |
| 377 | .mode_clkcontrol = 0x00020002, /* /4=24Mhz */ |
| 378 | .mode_pwmdiv = 0x00000000, |
| 379 | .mode_pwmhi = 0x00000000, |
| 380 | .mode_outmask = 0x00FFFFFF, |
| 381 | .mode_fifoctrl = 0x2f2f2f2f, |
| 382 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 383 | .mode_backlight = 0x00000000, |
| 384 | .mode_auxpll = 8, /* 96MHz AUXPLL */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 385 | 320, 320, |
| 386 | 240, 240, |
| 387 | }, |
| 388 | |
| 389 | [1] = { /* VGA 640x480 H:30.3kHz V:58Hz */ |
| 390 | .name = "VGA_640x480", |
| 391 | .monspecs = { |
| 392 | .modedb = NULL, |
| 393 | .modedb_len = 0, |
| 394 | .hfmin = 30000, |
| 395 | .hfmax = 70000, |
| 396 | .vfmin = 60, |
| 397 | .vfmax = 60, |
| 398 | .dclkmin = 6000000, |
| 399 | .dclkmax = 28000000, |
| 400 | .input = FB_DISP_RGB, |
| 401 | }, |
| 402 | .mode_screen = 0x13f9df80, |
| 403 | .mode_horztiming = 0x003c5859, |
| 404 | .mode_verttiming = 0x00741201, |
| 405 | .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ |
| 406 | .mode_pwmdiv = 0x00000000, |
| 407 | .mode_pwmhi = 0x00000000, |
| 408 | .mode_outmask = 0x00FFFFFF, |
| 409 | .mode_fifoctrl = 0x2f2f2f2f, |
| 410 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 411 | .mode_backlight = 0x00000000, |
| 412 | .mode_auxpll = 8, /* 96MHz AUXPLL */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 413 | 640, 480, |
| 414 | 640, 480, |
| 415 | }, |
| 416 | |
| 417 | [2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */ |
| 418 | .name = "SVGA_800x600", |
| 419 | .monspecs = { |
| 420 | .modedb = NULL, |
| 421 | .modedb_len = 0, |
| 422 | .hfmin = 30000, |
| 423 | .hfmax = 70000, |
| 424 | .vfmin = 60, |
| 425 | .vfmax = 60, |
| 426 | .dclkmin = 6000000, |
| 427 | .dclkmax = 28000000, |
| 428 | .input = FB_DISP_RGB, |
| 429 | }, |
| 430 | .mode_screen = 0x18fa5780, |
| 431 | .mode_horztiming = 0x00dc7e77, |
| 432 | .mode_verttiming = 0x00584805, |
| 433 | .mode_clkcontrol = 0x00020000, /* /2=48Mhz */ |
| 434 | .mode_pwmdiv = 0x00000000, |
| 435 | .mode_pwmhi = 0x00000000, |
| 436 | .mode_outmask = 0x00FFFFFF, |
| 437 | .mode_fifoctrl = 0x2f2f2f2f, |
| 438 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 439 | .mode_backlight = 0x00000000, |
| 440 | .mode_auxpll = 8, /* 96MHz AUXPLL */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 441 | 800, 800, |
| 442 | 600, 600, |
| 443 | }, |
| 444 | |
| 445 | [3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */ |
| 446 | .name = "XVGA_1024x768", |
| 447 | .monspecs = { |
| 448 | .modedb = NULL, |
| 449 | .modedb_len = 0, |
| 450 | .hfmin = 30000, |
| 451 | .hfmax = 70000, |
| 452 | .vfmin = 60, |
| 453 | .vfmax = 60, |
| 454 | .dclkmin = 6000000, |
| 455 | .dclkmax = 28000000, |
| 456 | .input = FB_DISP_RGB, |
| 457 | }, |
| 458 | .mode_screen = 0x1ffaff80, |
| 459 | .mode_horztiming = 0x007d0e57, |
| 460 | .mode_verttiming = 0x00740a01, |
| 461 | .mode_clkcontrol = 0x000A0000, /* /1 */ |
| 462 | .mode_pwmdiv = 0x00000000, |
| 463 | .mode_pwmhi = 0x00000000, |
| 464 | .mode_outmask = 0x00FFFFFF, |
| 465 | .mode_fifoctrl = 0x2f2f2f2f, |
| 466 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 467 | .mode_backlight = 0x00000000, |
| 468 | .mode_auxpll = 6, /* 72MHz AUXPLL */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 469 | 1024, 1024, |
| 470 | 768, 768, |
| 471 | }, |
| 472 | |
| 473 | [4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */ |
| 474 | .name = "XVGA_1280x1024", |
| 475 | .monspecs = { |
| 476 | .modedb = NULL, |
| 477 | .modedb_len = 0, |
| 478 | .hfmin = 30000, |
| 479 | .hfmax = 70000, |
| 480 | .vfmin = 60, |
| 481 | .vfmax = 60, |
| 482 | .dclkmin = 6000000, |
| 483 | .dclkmax = 28000000, |
| 484 | .input = FB_DISP_RGB, |
| 485 | }, |
| 486 | .mode_screen = 0x27fbff80, |
| 487 | .mode_horztiming = 0x00cdb2c7, |
| 488 | .mode_verttiming = 0x00600002, |
| 489 | .mode_clkcontrol = 0x000A0000, /* /1 */ |
| 490 | .mode_pwmdiv = 0x00000000, |
| 491 | .mode_pwmhi = 0x00000000, |
| 492 | .mode_outmask = 0x00FFFFFF, |
| 493 | .mode_fifoctrl = 0x2f2f2f2f, |
| 494 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 495 | .mode_backlight = 0x00000000, |
| 496 | .mode_auxpll = 10, /* 120MHz AUXPLL */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 497 | 1280, 1280, |
| 498 | 1024, 1024, |
| 499 | }, |
| 500 | |
| 501 | [5] = { /* Samsung 1024x768 TFT */ |
| 502 | .name = "Samsung_1024x768_TFT", |
| 503 | .monspecs = { |
| 504 | .modedb = NULL, |
| 505 | .modedb_len = 0, |
| 506 | .hfmin = 30000, |
| 507 | .hfmax = 70000, |
| 508 | .vfmin = 60, |
| 509 | .vfmax = 60, |
| 510 | .dclkmin = 6000000, |
| 511 | .dclkmax = 28000000, |
| 512 | .input = FB_DISP_RGB, |
| 513 | }, |
| 514 | .mode_screen = 0x1ffaff80, |
| 515 | .mode_horztiming = 0x018cc677, |
| 516 | .mode_verttiming = 0x00241217, |
| 517 | .mode_clkcontrol = 0x00000000, /* SCB 0x1 /4=24Mhz */ |
| 518 | .mode_pwmdiv = 0x8000063f, /* SCB 0x0 */ |
| 519 | .mode_pwmhi = 0x03400000, /* SCB 0x0 */ |
| 520 | .mode_outmask = 0x00FFFFFF, |
| 521 | .mode_fifoctrl = 0x2f2f2f2f, |
| 522 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 523 | .mode_backlight = 0x00000000, |
| 524 | .mode_auxpll = 8, /* 96MHz AUXPLL */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 525 | 1024, 1024, |
| 526 | 768, 768, |
| 527 | }, |
| 528 | |
| 529 | [6] = { /* Toshiba 640x480 TFT */ |
| 530 | .name = "Toshiba_640x480_TFT", |
| 531 | .monspecs = { |
| 532 | .modedb = NULL, |
| 533 | .modedb_len = 0, |
| 534 | .hfmin = 30000, |
| 535 | .hfmax = 70000, |
| 536 | .vfmin = 60, |
| 537 | .vfmax = 60, |
| 538 | .dclkmin = 6000000, |
| 539 | .dclkmax = 28000000, |
| 540 | .input = FB_DISP_RGB, |
| 541 | }, |
| 542 | .mode_screen = LCD_SCREEN_SX_N(640) | |
| 543 | LCD_SCREEN_SY_N(480), |
| 544 | .mode_horztiming = LCD_HORZTIMING_HPW_N(96) | |
| 545 | LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51), |
| 546 | .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | |
| 547 | LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32), |
| 548 | .mode_clkcontrol = 0x00000000, /* /4=24Mhz */ |
| 549 | .mode_pwmdiv = 0x8000063f, |
| 550 | .mode_pwmhi = 0x03400000, |
| 551 | .mode_outmask = 0x00fcfcfc, |
| 552 | .mode_fifoctrl = 0x2f2f2f2f, |
| 553 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 554 | .mode_backlight = 0x00000000, |
| 555 | .mode_auxpll = 8, /* 96MHz AUXPLL */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 556 | 640, 480, |
| 557 | 640, 480, |
| 558 | }, |
| 559 | |
| 560 | [7] = { /* Sharp 320x240 TFT */ |
| 561 | .name = "Sharp_320x240_TFT", |
| 562 | .monspecs = { |
| 563 | .modedb = NULL, |
| 564 | .modedb_len = 0, |
| 565 | .hfmin = 12500, |
| 566 | .hfmax = 20000, |
| 567 | .vfmin = 38, |
| 568 | .vfmax = 81, |
| 569 | .dclkmin = 4500000, |
| 570 | .dclkmax = 6800000, |
| 571 | .input = FB_DISP_RGB, |
| 572 | }, |
| 573 | .mode_screen = LCD_SCREEN_SX_N(320) | |
| 574 | LCD_SCREEN_SY_N(240), |
| 575 | .mode_horztiming = LCD_HORZTIMING_HPW_N(60) | |
| 576 | LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2), |
| 577 | .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | |
| 578 | LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5), |
| 579 | .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/ |
| 580 | .mode_pwmdiv = 0x8000063f, |
| 581 | .mode_pwmhi = 0x03400000, |
| 582 | .mode_outmask = 0x00fcfcfc, |
| 583 | .mode_fifoctrl = 0x2f2f2f2f, |
| 584 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 585 | .mode_backlight = 0x00000000, |
| 586 | .mode_auxpll = 8, /* 96MHz AUXPLL */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 587 | 320, 320, |
| 588 | 240, 240, |
| 589 | }, |
| 590 | |
| 591 | [8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */ |
| 592 | .name = "Toppoly_TD070WGCB2", |
| 593 | .monspecs = { |
| 594 | .modedb = NULL, |
| 595 | .modedb_len = 0, |
| 596 | .hfmin = 30000, |
| 597 | .hfmax = 70000, |
| 598 | .vfmin = 60, |
| 599 | .vfmax = 60, |
| 600 | .dclkmin = 6000000, |
| 601 | .dclkmax = 28000000, |
| 602 | .input = FB_DISP_RGB, |
| 603 | }, |
| 604 | .mode_screen = LCD_SCREEN_SX_N(856) | |
| 605 | LCD_SCREEN_SY_N(480), |
| 606 | .mode_horztiming = LCD_HORZTIMING_HND2_N(43) | |
| 607 | LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114), |
| 608 | .mode_verttiming = LCD_VERTTIMING_VND2_N(20) | |
| 609 | LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4), |
| 610 | .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ |
| 611 | .mode_pwmdiv = 0x8000063f, |
| 612 | .mode_pwmhi = 0x03400000, |
| 613 | .mode_outmask = 0x00fcfcfc, |
| 614 | .mode_fifoctrl = 0x2f2f2f2f, |
| 615 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 616 | .mode_backlight = 0x00000000, |
| 617 | .mode_auxpll = 8, /* 96MHz AUXPLL */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 618 | 856, 856, |
| 619 | 480, 480, |
| 620 | }, |
Manuel Lauss | 64cd04d | 2011-11-10 12:03:26 +0000 | [diff] [blame] | 621 | [9] = { |
| 622 | .name = "DB1300_800x480", |
| 623 | .monspecs = { |
| 624 | .modedb = NULL, |
| 625 | .modedb_len = 0, |
| 626 | .hfmin = 30000, |
| 627 | .hfmax = 70000, |
| 628 | .vfmin = 60, |
| 629 | .vfmax = 60, |
| 630 | .dclkmin = 6000000, |
| 631 | .dclkmax = 28000000, |
| 632 | .input = FB_DISP_RGB, |
| 633 | }, |
| 634 | .mode_screen = LCD_SCREEN_SX_N(800) | |
| 635 | LCD_SCREEN_SY_N(480), |
| 636 | .mode_horztiming = LCD_HORZTIMING_HPW_N(5) | |
| 637 | LCD_HORZTIMING_HND1_N(16) | |
| 638 | LCD_HORZTIMING_HND2_N(8), |
| 639 | .mode_verttiming = LCD_VERTTIMING_VPW_N(4) | |
| 640 | LCD_VERTTIMING_VND1_N(8) | |
| 641 | LCD_VERTTIMING_VND2_N(5), |
| 642 | .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(1) | |
| 643 | LCD_CLKCONTROL_IV | |
| 644 | LCD_CLKCONTROL_IH, |
| 645 | .mode_pwmdiv = 0x00000000, |
| 646 | .mode_pwmhi = 0x00000000, |
| 647 | .mode_outmask = 0x00FFFFFF, |
| 648 | .mode_fifoctrl = 0x2f2f2f2f, |
| 649 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| 650 | .mode_backlight = 0x00000000, |
| 651 | .mode_auxpll = (48/12) * 2, |
Manuel Lauss | 64cd04d | 2011-11-10 12:03:26 +0000 | [diff] [blame] | 652 | 800, 800, |
| 653 | 480, 480, |
| 654 | }, |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 655 | }; |
| 656 | |
| 657 | #define NUM_PANELS (ARRAY_SIZE(known_lcd_panels)) |
| 658 | |
| 659 | /********************************************************************/ |
| 660 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 661 | static int winbpp (unsigned int winctrl1) |
| 662 | { |
| 663 | int bits = 0; |
| 664 | |
| 665 | /* how many bits are needed for each pixel format */ |
| 666 | switch (winctrl1 & LCD_WINCTRL1_FRM) { |
| 667 | case LCD_WINCTRL1_FRM_1BPP: |
| 668 | bits = 1; |
| 669 | break; |
| 670 | case LCD_WINCTRL1_FRM_2BPP: |
| 671 | bits = 2; |
| 672 | break; |
| 673 | case LCD_WINCTRL1_FRM_4BPP: |
| 674 | bits = 4; |
| 675 | break; |
| 676 | case LCD_WINCTRL1_FRM_8BPP: |
| 677 | bits = 8; |
| 678 | break; |
| 679 | case LCD_WINCTRL1_FRM_12BPP: |
| 680 | case LCD_WINCTRL1_FRM_16BPP655: |
| 681 | case LCD_WINCTRL1_FRM_16BPP565: |
| 682 | case LCD_WINCTRL1_FRM_16BPP556: |
| 683 | case LCD_WINCTRL1_FRM_16BPPI1555: |
| 684 | case LCD_WINCTRL1_FRM_16BPPI5551: |
| 685 | case LCD_WINCTRL1_FRM_16BPPA1555: |
| 686 | case LCD_WINCTRL1_FRM_16BPPA5551: |
| 687 | bits = 16; |
| 688 | break; |
| 689 | case LCD_WINCTRL1_FRM_24BPP: |
| 690 | case LCD_WINCTRL1_FRM_32BPP: |
| 691 | bits = 32; |
| 692 | break; |
| 693 | } |
| 694 | |
| 695 | return bits; |
| 696 | } |
| 697 | |
| 698 | static int fbinfo2index (struct fb_info *fb_info) |
| 699 | { |
| 700 | int i; |
| 701 | |
Manuel Lauss | 8be90b0 | 2011-06-10 15:23:03 +0000 | [diff] [blame] | 702 | for (i = 0; i < device_count; ++i) { |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 703 | if (fb_info == _au1200fb_infos[i]) |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 704 | return i; |
| 705 | } |
| 706 | printk("au1200fb: ERROR: fbinfo2index failed!\n"); |
| 707 | return -1; |
| 708 | } |
| 709 | |
| 710 | static int au1200_setlocation (struct au1200fb_device *fbdev, int plane, |
| 711 | int xpos, int ypos) |
| 712 | { |
| 713 | uint32 winctrl0, winctrl1, winenable, fb_offset = 0; |
| 714 | int xsz, ysz; |
| 715 | |
| 716 | /* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */ |
| 717 | |
| 718 | winctrl0 = lcd->window[plane].winctrl0; |
| 719 | winctrl1 = lcd->window[plane].winctrl1; |
| 720 | winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN); |
| 721 | winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY); |
| 722 | |
| 723 | /* Check for off-screen adjustments */ |
| 724 | xsz = win->w[plane].xres; |
| 725 | ysz = win->w[plane].yres; |
| 726 | if ((xpos + win->w[plane].xres) > panel->Xres) { |
| 727 | /* Off-screen to the right */ |
| 728 | xsz = panel->Xres - xpos; /* off by 1 ??? */ |
| 729 | /*printk("off screen right\n");*/ |
| 730 | } |
| 731 | |
| 732 | if ((ypos + win->w[plane].yres) > panel->Yres) { |
| 733 | /* Off-screen to the bottom */ |
| 734 | ysz = panel->Yres - ypos; /* off by 1 ??? */ |
| 735 | /*printk("off screen bottom\n");*/ |
| 736 | } |
| 737 | |
| 738 | if (xpos < 0) { |
| 739 | /* Off-screen to the left */ |
| 740 | xsz = win->w[plane].xres + xpos; |
| 741 | fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8); |
| 742 | xpos = 0; |
| 743 | /*printk("off screen left\n");*/ |
| 744 | } |
| 745 | |
| 746 | if (ypos < 0) { |
| 747 | /* Off-screen to the top */ |
| 748 | ysz = win->w[plane].yres + ypos; |
| 749 | /* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */ |
| 750 | ypos = 0; |
| 751 | /*printk("off screen top\n");*/ |
| 752 | } |
| 753 | |
| 754 | /* record settings */ |
| 755 | win->w[plane].xpos = xpos; |
| 756 | win->w[plane].ypos = ypos; |
| 757 | |
| 758 | xsz -= 1; |
| 759 | ysz -= 1; |
| 760 | winctrl0 |= (xpos << 21); |
| 761 | winctrl0 |= (ypos << 10); |
| 762 | winctrl1 |= (xsz << 11); |
| 763 | winctrl1 |= (ysz << 0); |
| 764 | |
| 765 | /* Disable the window while making changes, then restore WINEN */ |
| 766 | winenable = lcd->winenable & (1 << plane); |
| 767 | au_sync(); |
| 768 | lcd->winenable &= ~(1 << plane); |
| 769 | lcd->window[plane].winctrl0 = winctrl0; |
| 770 | lcd->window[plane].winctrl1 = winctrl1; |
| 771 | lcd->window[plane].winbuf0 = |
| 772 | lcd->window[plane].winbuf1 = fbdev->fb_phys; |
| 773 | lcd->window[plane].winbufctrl = 0; /* select winbuf0 */ |
| 774 | lcd->winenable |= winenable; |
| 775 | au_sync(); |
| 776 | |
| 777 | return 0; |
| 778 | } |
| 779 | |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 780 | static void au1200_setpanel(struct panel_settings *newpanel, |
| 781 | struct au1200fb_platdata *pd) |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 782 | { |
| 783 | /* |
| 784 | * Perform global setup/init of LCD controller |
| 785 | */ |
| 786 | uint32 winenable; |
| 787 | |
| 788 | /* Make sure all windows disabled */ |
| 789 | winenable = lcd->winenable; |
| 790 | lcd->winenable = 0; |
| 791 | au_sync(); |
| 792 | /* |
| 793 | * Ensure everything is disabled before reconfiguring |
| 794 | */ |
| 795 | if (lcd->screen & LCD_SCREEN_SEN) { |
| 796 | /* Wait for vertical sync period */ |
| 797 | lcd->intstatus = LCD_INT_SS; |
| 798 | while ((lcd->intstatus & LCD_INT_SS) == 0) { |
| 799 | au_sync(); |
| 800 | } |
| 801 | |
| 802 | lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/ |
| 803 | |
| 804 | do { |
| 805 | lcd->intstatus = lcd->intstatus; /*clear interrupts*/ |
| 806 | au_sync(); |
| 807 | /*wait for controller to shut down*/ |
| 808 | } while ((lcd->intstatus & LCD_INT_SD) == 0); |
| 809 | |
| 810 | /* Call shutdown of current panel (if up) */ |
| 811 | /* this must occur last, because if an external clock is driving |
| 812 | the controller, the clock cannot be turned off before first |
| 813 | shutting down the controller. |
| 814 | */ |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 815 | if (pd->panel_shutdown) |
| 816 | pd->panel_shutdown(); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 817 | } |
| 818 | |
| 819 | /* Newpanel == NULL indicates a shutdown operation only */ |
| 820 | if (newpanel == NULL) |
| 821 | return; |
| 822 | |
| 823 | panel = newpanel; |
| 824 | |
| 825 | printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres); |
| 826 | |
| 827 | /* |
| 828 | * Setup clocking if internal LCD clock source (assumes sys_auxpll valid) |
| 829 | */ |
| 830 | if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT)) |
| 831 | { |
| 832 | uint32 sys_clksrc; |
| 833 | au_writel(panel->mode_auxpll, SYS_AUXPLL); |
| 834 | sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f; |
| 835 | sys_clksrc |= panel->mode_toyclksrc; |
| 836 | au_writel(sys_clksrc, SYS_CLKSRC); |
| 837 | } |
| 838 | |
| 839 | /* |
| 840 | * Configure panel timings |
| 841 | */ |
| 842 | lcd->screen = panel->mode_screen; |
| 843 | lcd->horztiming = panel->mode_horztiming; |
| 844 | lcd->verttiming = panel->mode_verttiming; |
| 845 | lcd->clkcontrol = panel->mode_clkcontrol; |
| 846 | lcd->pwmdiv = panel->mode_pwmdiv; |
| 847 | lcd->pwmhi = panel->mode_pwmhi; |
| 848 | lcd->outmask = panel->mode_outmask; |
| 849 | lcd->fifoctrl = panel->mode_fifoctrl; |
| 850 | au_sync(); |
| 851 | |
| 852 | /* fixme: Check window settings to make sure still valid |
| 853 | * for new geometry */ |
| 854 | #if 0 |
| 855 | au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos); |
| 856 | au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos); |
| 857 | au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos); |
| 858 | au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos); |
| 859 | #endif |
| 860 | lcd->winenable = winenable; |
| 861 | |
| 862 | /* |
| 863 | * Re-enable screen now that it is configured |
| 864 | */ |
| 865 | lcd->screen |= LCD_SCREEN_SEN; |
| 866 | au_sync(); |
| 867 | |
| 868 | /* Call init of panel */ |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 869 | if (pd->panel_init) |
| 870 | pd->panel_init(); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 871 | |
| 872 | /* FIX!!!! not appropriate on panel change!!! Global setup/init */ |
| 873 | lcd->intenable = 0; |
| 874 | lcd->intstatus = ~0; |
| 875 | lcd->backcolor = win->mode_backcolor; |
| 876 | |
| 877 | /* Setup Color Key - FIX!!! */ |
| 878 | lcd->colorkey = win->mode_colorkey; |
| 879 | lcd->colorkeymsk = win->mode_colorkeymsk; |
| 880 | |
| 881 | /* Setup HWCursor - FIX!!! Need to support this eventually */ |
| 882 | lcd->hwc.cursorctrl = 0; |
| 883 | lcd->hwc.cursorpos = 0; |
| 884 | lcd->hwc.cursorcolor0 = 0; |
| 885 | lcd->hwc.cursorcolor1 = 0; |
| 886 | lcd->hwc.cursorcolor2 = 0; |
| 887 | lcd->hwc.cursorcolor3 = 0; |
| 888 | |
| 889 | |
| 890 | #if 0 |
| 891 | #define D(X) printk("%25s: %08X\n", #X, X) |
| 892 | D(lcd->screen); |
| 893 | D(lcd->horztiming); |
| 894 | D(lcd->verttiming); |
| 895 | D(lcd->clkcontrol); |
| 896 | D(lcd->pwmdiv); |
| 897 | D(lcd->pwmhi); |
| 898 | D(lcd->outmask); |
| 899 | D(lcd->fifoctrl); |
| 900 | D(lcd->window[0].winctrl0); |
| 901 | D(lcd->window[0].winctrl1); |
| 902 | D(lcd->window[0].winctrl2); |
| 903 | D(lcd->window[0].winbuf0); |
| 904 | D(lcd->window[0].winbuf1); |
| 905 | D(lcd->window[0].winbufctrl); |
| 906 | D(lcd->window[1].winctrl0); |
| 907 | D(lcd->window[1].winctrl1); |
| 908 | D(lcd->window[1].winctrl2); |
| 909 | D(lcd->window[1].winbuf0); |
| 910 | D(lcd->window[1].winbuf1); |
| 911 | D(lcd->window[1].winbufctrl); |
| 912 | D(lcd->window[2].winctrl0); |
| 913 | D(lcd->window[2].winctrl1); |
| 914 | D(lcd->window[2].winctrl2); |
| 915 | D(lcd->window[2].winbuf0); |
| 916 | D(lcd->window[2].winbuf1); |
| 917 | D(lcd->window[2].winbufctrl); |
| 918 | D(lcd->window[3].winctrl0); |
| 919 | D(lcd->window[3].winctrl1); |
| 920 | D(lcd->window[3].winctrl2); |
| 921 | D(lcd->window[3].winbuf0); |
| 922 | D(lcd->window[3].winbuf1); |
| 923 | D(lcd->window[3].winbufctrl); |
| 924 | D(lcd->winenable); |
| 925 | D(lcd->intenable); |
| 926 | D(lcd->intstatus); |
| 927 | D(lcd->backcolor); |
| 928 | D(lcd->winenable); |
| 929 | D(lcd->colorkey); |
| 930 | D(lcd->colorkeymsk); |
| 931 | D(lcd->hwc.cursorctrl); |
| 932 | D(lcd->hwc.cursorpos); |
| 933 | D(lcd->hwc.cursorcolor0); |
| 934 | D(lcd->hwc.cursorcolor1); |
| 935 | D(lcd->hwc.cursorcolor2); |
| 936 | D(lcd->hwc.cursorcolor3); |
| 937 | #endif |
| 938 | } |
| 939 | |
| 940 | static void au1200_setmode(struct au1200fb_device *fbdev) |
| 941 | { |
| 942 | int plane = fbdev->plane; |
| 943 | /* Window/plane setup */ |
| 944 | lcd->window[plane].winctrl1 = ( 0 |
| 945 | | LCD_WINCTRL1_PRI_N(plane) |
| 946 | | win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */ |
| 947 | ) ; |
| 948 | |
| 949 | au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos); |
| 950 | |
| 951 | lcd->window[plane].winctrl2 = ( 0 |
| 952 | | LCD_WINCTRL2_CKMODE_00 |
| 953 | | LCD_WINCTRL2_DBM |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 954 | | LCD_WINCTRL2_BX_N(fbdev->fb_info->fix.line_length) |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 955 | | LCD_WINCTRL2_SCX_1 |
| 956 | | LCD_WINCTRL2_SCY_1 |
| 957 | ) ; |
| 958 | lcd->winenable |= win->w[plane].mode_winenable; |
| 959 | au_sync(); |
| 960 | } |
| 961 | |
| 962 | |
| 963 | /* Inline helpers */ |
| 964 | |
| 965 | /*#define panel_is_dual(panel) ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ |
| 966 | /*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ |
| 967 | |
| 968 | #define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN) |
| 969 | |
| 970 | /* Bitfields format supported by the controller. */ |
| 971 | static struct fb_bitfield rgb_bitfields[][4] = { |
| 972 | /* Red, Green, Blue, Transp */ |
| 973 | [LCD_WINCTRL1_FRM_16BPP655 >> 25] = |
| 974 | { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, |
| 975 | |
| 976 | [LCD_WINCTRL1_FRM_16BPP565 >> 25] = |
| 977 | { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, |
| 978 | |
| 979 | [LCD_WINCTRL1_FRM_16BPP556 >> 25] = |
| 980 | { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } }, |
| 981 | |
| 982 | [LCD_WINCTRL1_FRM_16BPPI1555 >> 25] = |
| 983 | { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, |
| 984 | |
| 985 | [LCD_WINCTRL1_FRM_16BPPI5551 >> 25] = |
| 986 | { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } }, |
| 987 | |
| 988 | [LCD_WINCTRL1_FRM_16BPPA1555 >> 25] = |
| 989 | { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } }, |
| 990 | |
| 991 | [LCD_WINCTRL1_FRM_16BPPA5551 >> 25] = |
| 992 | { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } }, |
| 993 | |
| 994 | [LCD_WINCTRL1_FRM_24BPP >> 25] = |
| 995 | { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } }, |
| 996 | |
| 997 | [LCD_WINCTRL1_FRM_32BPP >> 25] = |
| 998 | { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } }, |
| 999 | }; |
| 1000 | |
| 1001 | /*-------------------------------------------------------------------------*/ |
| 1002 | |
| 1003 | /* Helpers */ |
| 1004 | |
| 1005 | static void au1200fb_update_fbinfo(struct fb_info *fbi) |
| 1006 | { |
| 1007 | /* FIX!!!! This also needs to take the window pixel format into account!!! */ |
| 1008 | |
| 1009 | /* Update var-dependent FB info */ |
| 1010 | if (panel_is_color(panel)) { |
| 1011 | if (fbi->var.bits_per_pixel <= 8) { |
| 1012 | /* palettized */ |
| 1013 | fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR; |
| 1014 | fbi->fix.line_length = fbi->var.xres_virtual / |
| 1015 | (8/fbi->var.bits_per_pixel); |
| 1016 | } else { |
| 1017 | /* non-palettized */ |
| 1018 | fbi->fix.visual = FB_VISUAL_TRUECOLOR; |
| 1019 | fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8); |
| 1020 | } |
| 1021 | } else { |
| 1022 | /* mono FIX!!! mono 8 and 4 bits */ |
| 1023 | fbi->fix.visual = FB_VISUAL_MONO10; |
| 1024 | fbi->fix.line_length = fbi->var.xres_virtual / 8; |
| 1025 | } |
| 1026 | |
| 1027 | fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual; |
| 1028 | print_dbg("line length: %d\n", fbi->fix.line_length); |
| 1029 | print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel); |
| 1030 | } |
| 1031 | |
| 1032 | /*-------------------------------------------------------------------------*/ |
| 1033 | |
| 1034 | /* AU1200 framebuffer driver */ |
| 1035 | |
| 1036 | /* fb_check_var |
| 1037 | * Validate var settings with hardware restrictions and modify it if necessary |
| 1038 | */ |
| 1039 | static int au1200fb_fb_check_var(struct fb_var_screeninfo *var, |
| 1040 | struct fb_info *fbi) |
| 1041 | { |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1042 | struct au1200fb_device *fbdev = fbi->par; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1043 | u32 pixclock; |
| 1044 | int screen_size, plane; |
| 1045 | |
| 1046 | plane = fbdev->plane; |
| 1047 | |
| 1048 | /* Make sure that the mode respect all LCD controller and |
| 1049 | * panel restrictions. */ |
| 1050 | var->xres = win->w[plane].xres; |
| 1051 | var->yres = win->w[plane].yres; |
| 1052 | |
| 1053 | /* No need for virtual resolution support */ |
| 1054 | var->xres_virtual = var->xres; |
| 1055 | var->yres_virtual = var->yres; |
| 1056 | |
| 1057 | var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1); |
| 1058 | |
| 1059 | screen_size = var->xres_virtual * var->yres_virtual; |
| 1060 | if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8); |
| 1061 | else screen_size /= (8/var->bits_per_pixel); |
| 1062 | |
| 1063 | if (fbdev->fb_len < screen_size) |
| 1064 | return -EINVAL; /* Virtual screen is to big, abort */ |
| 1065 | |
| 1066 | /* FIX!!!! what are the implicaitons of ignoring this for windows ??? */ |
| 1067 | /* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel |
| 1068 | * clock can only be obtain by dividing this value by an even integer. |
| 1069 | * Fallback to a slower pixel clock if necessary. */ |
| 1070 | pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin); |
Hagen Paul Pfeifer | 732eacc | 2010-10-26 14:22:23 -0700 | [diff] [blame] | 1071 | pixclock = min3(pixclock, fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1072 | |
| 1073 | if (AU1200_LCD_MAX_CLK % pixclock) { |
| 1074 | int diff = AU1200_LCD_MAX_CLK % pixclock; |
| 1075 | pixclock -= diff; |
| 1076 | } |
| 1077 | |
| 1078 | var->pixclock = KHZ2PICOS(pixclock/1000); |
| 1079 | #if 0 |
| 1080 | if (!panel_is_active(panel)) { |
| 1081 | int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1; |
| 1082 | |
| 1083 | if (!panel_is_color(panel) |
| 1084 | && (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) { |
| 1085 | /* STN 8bit mono panel support is up to 6MHz pixclock */ |
| 1086 | var->pixclock = KHZ2PICOS(6000); |
| 1087 | } else if (!pcd) { |
| 1088 | /* Other STN panel support is up to 12MHz */ |
| 1089 | var->pixclock = KHZ2PICOS(12000); |
| 1090 | } |
| 1091 | } |
| 1092 | #endif |
| 1093 | /* Set bitfield accordingly */ |
| 1094 | switch (var->bits_per_pixel) { |
| 1095 | case 16: |
| 1096 | { |
| 1097 | /* 16bpp True color. |
| 1098 | * These must be set to MATCH WINCTRL[FORM] */ |
| 1099 | int idx; |
| 1100 | idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; |
| 1101 | var->red = rgb_bitfields[idx][0]; |
| 1102 | var->green = rgb_bitfields[idx][1]; |
| 1103 | var->blue = rgb_bitfields[idx][2]; |
| 1104 | var->transp = rgb_bitfields[idx][3]; |
| 1105 | break; |
| 1106 | } |
| 1107 | |
| 1108 | case 32: |
| 1109 | { |
| 1110 | /* 32bpp True color. |
| 1111 | * These must be set to MATCH WINCTRL[FORM] */ |
| 1112 | int idx; |
| 1113 | idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; |
| 1114 | var->red = rgb_bitfields[idx][0]; |
| 1115 | var->green = rgb_bitfields[idx][1]; |
| 1116 | var->blue = rgb_bitfields[idx][2]; |
| 1117 | var->transp = rgb_bitfields[idx][3]; |
| 1118 | break; |
| 1119 | } |
| 1120 | default: |
| 1121 | print_dbg("Unsupported depth %dbpp", var->bits_per_pixel); |
| 1122 | return -EINVAL; |
| 1123 | } |
| 1124 | |
| 1125 | return 0; |
| 1126 | } |
| 1127 | |
| 1128 | /* fb_set_par |
| 1129 | * Set hardware with var settings. This will enable the controller with a |
| 1130 | * specific mode, normally validated with the fb_check_var method |
| 1131 | */ |
| 1132 | static int au1200fb_fb_set_par(struct fb_info *fbi) |
| 1133 | { |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1134 | struct au1200fb_device *fbdev = fbi->par; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1135 | |
| 1136 | au1200fb_update_fbinfo(fbi); |
| 1137 | au1200_setmode(fbdev); |
| 1138 | |
| 1139 | return 0; |
| 1140 | } |
| 1141 | |
| 1142 | /* fb_setcolreg |
| 1143 | * Set color in LCD palette. |
| 1144 | */ |
| 1145 | static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green, |
| 1146 | unsigned blue, unsigned transp, struct fb_info *fbi) |
| 1147 | { |
| 1148 | volatile u32 *palette = lcd->palette; |
| 1149 | u32 value; |
| 1150 | |
| 1151 | if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1)) |
| 1152 | return -EINVAL; |
| 1153 | |
| 1154 | if (fbi->var.grayscale) { |
| 1155 | /* Convert color to grayscale */ |
| 1156 | red = green = blue = |
| 1157 | (19595 * red + 38470 * green + 7471 * blue) >> 16; |
| 1158 | } |
| 1159 | |
| 1160 | if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) { |
| 1161 | /* Place color in the pseudopalette */ |
| 1162 | if (regno > 16) |
| 1163 | return -EINVAL; |
| 1164 | |
| 1165 | palette = (u32*) fbi->pseudo_palette; |
| 1166 | |
| 1167 | red >>= (16 - fbi->var.red.length); |
| 1168 | green >>= (16 - fbi->var.green.length); |
| 1169 | blue >>= (16 - fbi->var.blue.length); |
| 1170 | |
| 1171 | value = (red << fbi->var.red.offset) | |
| 1172 | (green << fbi->var.green.offset)| |
| 1173 | (blue << fbi->var.blue.offset); |
| 1174 | value &= 0xFFFF; |
| 1175 | |
| 1176 | } else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) { |
| 1177 | /* COLOR TFT PALLETTIZED (use RGB 565) */ |
| 1178 | value = (red & 0xF800)|((green >> 5) & |
| 1179 | 0x07E0)|((blue >> 11) & 0x001F); |
| 1180 | value &= 0xFFFF; |
| 1181 | |
| 1182 | } else if (0 /*panel_is_color(fbdev->panel)*/) { |
| 1183 | /* COLOR STN MODE */ |
| 1184 | value = 0x1234; |
| 1185 | value &= 0xFFF; |
| 1186 | } else { |
| 1187 | /* MONOCHROME MODE */ |
| 1188 | value = (green >> 12) & 0x000F; |
| 1189 | value &= 0xF; |
| 1190 | } |
| 1191 | |
| 1192 | palette[regno] = value; |
| 1193 | |
| 1194 | return 0; |
| 1195 | } |
| 1196 | |
| 1197 | /* fb_blank |
| 1198 | * Blank the screen. Depending on the mode, the screen will be |
| 1199 | * activated with the backlight color, or desactivated |
| 1200 | */ |
| 1201 | static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi) |
| 1202 | { |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1203 | struct au1200fb_device *fbdev = fbi->par; |
| 1204 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1205 | /* Short-circuit screen blanking */ |
| 1206 | if (noblanking) |
| 1207 | return 0; |
| 1208 | |
| 1209 | switch (blank_mode) { |
| 1210 | |
| 1211 | case FB_BLANK_UNBLANK: |
| 1212 | case FB_BLANK_NORMAL: |
| 1213 | /* printk("turn on panel\n"); */ |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1214 | au1200_setpanel(panel, fbdev->pd); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1215 | break; |
| 1216 | case FB_BLANK_VSYNC_SUSPEND: |
| 1217 | case FB_BLANK_HSYNC_SUSPEND: |
| 1218 | case FB_BLANK_POWERDOWN: |
| 1219 | /* printk("turn off panel\n"); */ |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1220 | au1200_setpanel(NULL, fbdev->pd); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1221 | break; |
| 1222 | default: |
| 1223 | break; |
| 1224 | |
| 1225 | } |
| 1226 | |
| 1227 | /* FB_BLANK_NORMAL is a soft blank */ |
| 1228 | return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0; |
| 1229 | } |
| 1230 | |
| 1231 | /* fb_mmap |
| 1232 | * Map video memory in user space. We don't use the generic fb_mmap |
| 1233 | * method mainly to allow the use of the TLB streaming flag (CCA=6) |
| 1234 | */ |
| 1235 | static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1236 | { |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1237 | struct au1200fb_device *fbdev = info->par; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1238 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1239 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); |
| 1240 | pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */ |
| 1241 | |
Linus Torvalds | 7314e61 | 2013-10-29 10:21:34 -0700 | [diff] [blame] | 1242 | return vm_iomap_memory(vma, fbdev->fb_phys, fbdev->fb_len); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1243 | } |
| 1244 | |
| 1245 | static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) |
| 1246 | { |
| 1247 | |
| 1248 | unsigned int hi1, divider; |
| 1249 | |
| 1250 | /* SCREEN_SIZE: user cannot reset size, must switch panel choice */ |
| 1251 | |
| 1252 | if (pdata->flags & SCREEN_BACKCOLOR) |
| 1253 | lcd->backcolor = pdata->backcolor; |
| 1254 | |
| 1255 | if (pdata->flags & SCREEN_BRIGHTNESS) { |
| 1256 | |
| 1257 | // limit brightness pwm duty to >= 30/1600 |
| 1258 | if (pdata->brightness < 30) { |
| 1259 | pdata->brightness = 30; |
| 1260 | } |
| 1261 | divider = (lcd->pwmdiv & 0x3FFFF) + 1; |
| 1262 | hi1 = (lcd->pwmhi >> 16) + 1; |
| 1263 | hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8); |
| 1264 | lcd->pwmhi &= 0xFFFF; |
| 1265 | lcd->pwmhi |= (hi1 << 16); |
| 1266 | } |
| 1267 | |
| 1268 | if (pdata->flags & SCREEN_COLORKEY) |
| 1269 | lcd->colorkey = pdata->colorkey; |
| 1270 | |
| 1271 | if (pdata->flags & SCREEN_MASK) |
| 1272 | lcd->colorkeymsk = pdata->mask; |
| 1273 | au_sync(); |
| 1274 | } |
| 1275 | |
| 1276 | static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) |
| 1277 | { |
| 1278 | unsigned int hi1, divider; |
| 1279 | |
| 1280 | pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1; |
| 1281 | pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1; |
| 1282 | |
| 1283 | pdata->backcolor = lcd->backcolor; |
| 1284 | pdata->colorkey = lcd->colorkey; |
| 1285 | pdata->mask = lcd->colorkeymsk; |
| 1286 | |
| 1287 | // brightness |
| 1288 | hi1 = (lcd->pwmhi >> 16) + 1; |
| 1289 | divider = (lcd->pwmdiv & 0x3FFFF) + 1; |
| 1290 | pdata->brightness = ((hi1 << 8) / divider) - 1; |
| 1291 | au_sync(); |
| 1292 | } |
| 1293 | |
| 1294 | static void set_window(unsigned int plane, |
| 1295 | struct au1200_lcd_window_regs_t *pdata) |
| 1296 | { |
| 1297 | unsigned int val, bpp; |
| 1298 | |
| 1299 | /* Window control register 0 */ |
| 1300 | if (pdata->flags & WIN_POSITION) { |
| 1301 | val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX | |
| 1302 | LCD_WINCTRL0_OY); |
| 1303 | val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX); |
| 1304 | val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY); |
| 1305 | lcd->window[plane].winctrl0 = val; |
| 1306 | } |
| 1307 | if (pdata->flags & WIN_ALPHA_COLOR) { |
| 1308 | val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A); |
| 1309 | val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A); |
| 1310 | lcd->window[plane].winctrl0 = val; |
| 1311 | } |
| 1312 | if (pdata->flags & WIN_ALPHA_MODE) { |
| 1313 | val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN); |
| 1314 | val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN); |
| 1315 | lcd->window[plane].winctrl0 = val; |
| 1316 | } |
| 1317 | |
| 1318 | /* Window control register 1 */ |
| 1319 | if (pdata->flags & WIN_PRIORITY) { |
| 1320 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI); |
| 1321 | val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI); |
| 1322 | lcd->window[plane].winctrl1 = val; |
| 1323 | } |
| 1324 | if (pdata->flags & WIN_CHANNEL) { |
| 1325 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE); |
| 1326 | val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE); |
| 1327 | lcd->window[plane].winctrl1 = val; |
| 1328 | } |
| 1329 | if (pdata->flags & WIN_BUFFER_FORMAT) { |
| 1330 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM); |
| 1331 | val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM); |
| 1332 | lcd->window[plane].winctrl1 = val; |
| 1333 | } |
| 1334 | if (pdata->flags & WIN_COLOR_ORDER) { |
| 1335 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO); |
| 1336 | val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO); |
| 1337 | lcd->window[plane].winctrl1 = val; |
| 1338 | } |
| 1339 | if (pdata->flags & WIN_PIXEL_ORDER) { |
| 1340 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO); |
| 1341 | val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO); |
| 1342 | lcd->window[plane].winctrl1 = val; |
| 1343 | } |
| 1344 | if (pdata->flags & WIN_SIZE) { |
| 1345 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX | |
| 1346 | LCD_WINCTRL1_SZY); |
| 1347 | val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX); |
| 1348 | val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY); |
| 1349 | lcd->window[plane].winctrl1 = val; |
| 1350 | /* program buffer line width */ |
| 1351 | bpp = winbpp(val) / 8; |
| 1352 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX); |
| 1353 | val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX); |
| 1354 | lcd->window[plane].winctrl2 = val; |
| 1355 | } |
| 1356 | |
| 1357 | /* Window control register 2 */ |
| 1358 | if (pdata->flags & WIN_COLORKEY_MODE) { |
| 1359 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE); |
| 1360 | val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE); |
| 1361 | lcd->window[plane].winctrl2 = val; |
| 1362 | } |
| 1363 | if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) { |
| 1364 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM); |
| 1365 | val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM); |
| 1366 | lcd->window[plane].winctrl2 = val; |
| 1367 | } |
| 1368 | if (pdata->flags & WIN_RAM_ARRAY_MODE) { |
| 1369 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM); |
| 1370 | val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM); |
| 1371 | lcd->window[plane].winctrl2 = val; |
| 1372 | } |
| 1373 | |
| 1374 | /* Buffer line width programmed with WIN_SIZE */ |
| 1375 | |
| 1376 | if (pdata->flags & WIN_BUFFER_SCALE) { |
| 1377 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX | |
| 1378 | LCD_WINCTRL2_SCY); |
| 1379 | val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX); |
| 1380 | val |= ((pdata->ysize) & LCD_WINCTRL2_SCY); |
| 1381 | lcd->window[plane].winctrl2 = val; |
| 1382 | } |
| 1383 | |
| 1384 | if (pdata->flags & WIN_ENABLE) { |
| 1385 | val = lcd->winenable; |
| 1386 | val &= ~(1<<plane); |
| 1387 | val |= (pdata->enable & 1) << plane; |
| 1388 | lcd->winenable = val; |
| 1389 | } |
| 1390 | au_sync(); |
| 1391 | } |
| 1392 | |
| 1393 | static void get_window(unsigned int plane, |
| 1394 | struct au1200_lcd_window_regs_t *pdata) |
| 1395 | { |
| 1396 | /* Window control register 0 */ |
| 1397 | pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21; |
| 1398 | pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10; |
| 1399 | pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2; |
| 1400 | pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1; |
| 1401 | |
| 1402 | /* Window control register 1 */ |
| 1403 | pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30; |
| 1404 | pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29; |
| 1405 | pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25; |
| 1406 | pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24; |
| 1407 | pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22; |
| 1408 | pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1; |
| 1409 | pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1; |
| 1410 | |
| 1411 | /* Window control register 2 */ |
| 1412 | pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24; |
| 1413 | pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23; |
| 1414 | pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21; |
| 1415 | |
| 1416 | pdata->enable = (lcd->winenable >> plane) & 1; |
| 1417 | au_sync(); |
| 1418 | } |
| 1419 | |
| 1420 | static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd, |
| 1421 | unsigned long arg) |
| 1422 | { |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1423 | struct au1200fb_device *fbdev = info->par; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1424 | int plane; |
| 1425 | int val; |
| 1426 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1427 | plane = fbinfo2index(info); |
| 1428 | print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane); |
| 1429 | |
| 1430 | if (cmd == AU1200_LCD_FB_IOCTL) { |
| 1431 | struct au1200_lcd_iodata_t iodata; |
| 1432 | |
| 1433 | if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata))) |
| 1434 | return -EFAULT; |
| 1435 | |
| 1436 | print_dbg("FB IOCTL called\n"); |
| 1437 | |
| 1438 | switch (iodata.subcmd) { |
| 1439 | case AU1200_LCD_SET_SCREEN: |
| 1440 | print_dbg("AU1200_LCD_SET_SCREEN\n"); |
| 1441 | set_global(cmd, &iodata.global); |
| 1442 | break; |
| 1443 | |
| 1444 | case AU1200_LCD_GET_SCREEN: |
| 1445 | print_dbg("AU1200_LCD_GET_SCREEN\n"); |
| 1446 | get_global(cmd, &iodata.global); |
| 1447 | break; |
| 1448 | |
| 1449 | case AU1200_LCD_SET_WINDOW: |
| 1450 | print_dbg("AU1200_LCD_SET_WINDOW\n"); |
| 1451 | set_window(plane, &iodata.window); |
| 1452 | break; |
| 1453 | |
| 1454 | case AU1200_LCD_GET_WINDOW: |
| 1455 | print_dbg("AU1200_LCD_GET_WINDOW\n"); |
| 1456 | get_window(plane, &iodata.window); |
| 1457 | break; |
| 1458 | |
| 1459 | case AU1200_LCD_SET_PANEL: |
| 1460 | print_dbg("AU1200_LCD_SET_PANEL\n"); |
| 1461 | if ((iodata.global.panel_choice >= 0) && |
| 1462 | (iodata.global.panel_choice < |
| 1463 | NUM_PANELS)) |
| 1464 | { |
| 1465 | struct panel_settings *newpanel; |
| 1466 | panel_index = iodata.global.panel_choice; |
| 1467 | newpanel = &known_lcd_panels[panel_index]; |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1468 | au1200_setpanel(newpanel, fbdev->pd); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1469 | } |
| 1470 | break; |
| 1471 | |
| 1472 | case AU1200_LCD_GET_PANEL: |
| 1473 | print_dbg("AU1200_LCD_GET_PANEL\n"); |
| 1474 | iodata.global.panel_choice = panel_index; |
| 1475 | break; |
| 1476 | |
| 1477 | default: |
| 1478 | return -EINVAL; |
| 1479 | } |
| 1480 | |
| 1481 | val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata)); |
| 1482 | if (val) { |
| 1483 | print_dbg("error: could not copy %d bytes\n", val); |
| 1484 | return -EFAULT; |
| 1485 | } |
| 1486 | } |
| 1487 | |
| 1488 | return 0; |
| 1489 | } |
| 1490 | |
| 1491 | |
| 1492 | static struct fb_ops au1200fb_fb_ops = { |
| 1493 | .owner = THIS_MODULE, |
| 1494 | .fb_check_var = au1200fb_fb_check_var, |
| 1495 | .fb_set_par = au1200fb_fb_set_par, |
| 1496 | .fb_setcolreg = au1200fb_fb_setcolreg, |
| 1497 | .fb_blank = au1200fb_fb_blank, |
Manuel Lauss | 4ee5846 | 2011-06-10 15:23:04 +0000 | [diff] [blame] | 1498 | .fb_fillrect = sys_fillrect, |
| 1499 | .fb_copyarea = sys_copyarea, |
| 1500 | .fb_imageblit = sys_imageblit, |
| 1501 | .fb_read = fb_sys_read, |
| 1502 | .fb_write = fb_sys_write, |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1503 | .fb_sync = NULL, |
| 1504 | .fb_ioctl = au1200fb_ioctl, |
| 1505 | .fb_mmap = au1200fb_fb_mmap, |
| 1506 | }; |
| 1507 | |
| 1508 | /*-------------------------------------------------------------------------*/ |
| 1509 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1510 | static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id) |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1511 | { |
| 1512 | /* Nothing to do for now, just clear any pending interrupt */ |
| 1513 | lcd->intstatus = lcd->intstatus; |
| 1514 | au_sync(); |
| 1515 | |
| 1516 | return IRQ_HANDLED; |
| 1517 | } |
| 1518 | |
| 1519 | /*-------------------------------------------------------------------------*/ |
| 1520 | |
| 1521 | /* AU1200 LCD device probe helpers */ |
| 1522 | |
| 1523 | static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev) |
| 1524 | { |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1525 | struct fb_info *fbi = fbdev->fb_info; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1526 | int bpp; |
| 1527 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1528 | fbi->fbops = &au1200fb_fb_ops; |
| 1529 | |
| 1530 | bpp = winbpp(win->w[fbdev->plane].mode_winctrl1); |
| 1531 | |
| 1532 | /* Copy monitor specs from panel data */ |
| 1533 | /* fixme: we're setting up LCD controller windows, so these dont give a |
| 1534 | damn as to what the monitor specs are (the panel itself does, but that |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1535 | isn't done here...so maybe need a generic catchall monitor setting??? */ |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1536 | memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs)); |
| 1537 | |
| 1538 | /* We first try the user mode passed in argument. If that failed, |
| 1539 | * or if no one has been specified, we default to the first mode of the |
| 1540 | * panel list. Note that after this call, var data will be set */ |
| 1541 | if (!fb_find_mode(&fbi->var, |
| 1542 | fbi, |
| 1543 | NULL, /* drv_info.opt_mode, */ |
| 1544 | fbi->monspecs.modedb, |
| 1545 | fbi->monspecs.modedb_len, |
| 1546 | fbi->monspecs.modedb, |
| 1547 | bpp)) { |
| 1548 | |
| 1549 | print_err("Cannot find valid mode for panel %s", panel->name); |
| 1550 | return -EFAULT; |
| 1551 | } |
| 1552 | |
Yoann Padioleau | dd00cc4 | 2007-07-19 01:49:03 -0700 | [diff] [blame] | 1553 | fbi->pseudo_palette = kcalloc(16, sizeof(u32), GFP_KERNEL); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1554 | if (!fbi->pseudo_palette) { |
| 1555 | return -ENOMEM; |
| 1556 | } |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1557 | |
| 1558 | if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { |
| 1559 | print_err("Fail to allocate colormap (%d entries)", |
| 1560 | AU1200_LCD_NBR_PALETTE_ENTRIES); |
| 1561 | kfree(fbi->pseudo_palette); |
| 1562 | return -EFAULT; |
| 1563 | } |
| 1564 | |
| 1565 | strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id)); |
| 1566 | fbi->fix.smem_start = fbdev->fb_phys; |
| 1567 | fbi->fix.smem_len = fbdev->fb_len; |
| 1568 | fbi->fix.type = FB_TYPE_PACKED_PIXELS; |
| 1569 | fbi->fix.xpanstep = 0; |
| 1570 | fbi->fix.ypanstep = 0; |
| 1571 | fbi->fix.mmio_start = 0; |
| 1572 | fbi->fix.mmio_len = 0; |
| 1573 | fbi->fix.accel = FB_ACCEL_NONE; |
| 1574 | |
| 1575 | fbi->screen_base = (char __iomem *) fbdev->fb_mem; |
| 1576 | |
| 1577 | au1200fb_update_fbinfo(fbi); |
| 1578 | |
| 1579 | return 0; |
| 1580 | } |
| 1581 | |
| 1582 | /*-------------------------------------------------------------------------*/ |
| 1583 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1584 | |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1585 | static int au1200fb_setup(struct au1200fb_platdata *pd) |
| 1586 | { |
| 1587 | char *options = NULL; |
| 1588 | char *this_opt, *endptr; |
| 1589 | int num_panels = ARRAY_SIZE(known_lcd_panels); |
| 1590 | int panel_idx = -1; |
| 1591 | |
| 1592 | fb_get_options(DRIVER_NAME, &options); |
| 1593 | |
| 1594 | if (!options) |
| 1595 | goto out; |
| 1596 | |
| 1597 | while ((this_opt = strsep(&options, ",")) != NULL) { |
| 1598 | /* Panel option - can be panel name, |
| 1599 | * "bs" for board-switch, or number/index */ |
| 1600 | if (!strncmp(this_opt, "panel:", 6)) { |
| 1601 | int i; |
| 1602 | long int li; |
| 1603 | char *endptr; |
| 1604 | this_opt += 6; |
| 1605 | /* First check for index, which allows |
| 1606 | * to short circuit this mess */ |
| 1607 | li = simple_strtol(this_opt, &endptr, 0); |
| 1608 | if (*endptr == '\0') |
| 1609 | panel_idx = (int)li; |
| 1610 | else if (strcmp(this_opt, "bs") == 0) |
| 1611 | panel_idx = pd->panel_index(); |
| 1612 | else { |
| 1613 | for (i = 0; i < num_panels; i++) { |
| 1614 | if (!strcmp(this_opt, |
| 1615 | known_lcd_panels[i].name)) { |
| 1616 | panel_idx = i; |
| 1617 | break; |
| 1618 | } |
| 1619 | } |
| 1620 | } |
| 1621 | if ((panel_idx < 0) || (panel_idx >= num_panels)) |
| 1622 | print_warn("Panel %s not supported!", this_opt); |
| 1623 | else |
| 1624 | panel_index = panel_idx; |
| 1625 | |
| 1626 | } else if (strncmp(this_opt, "nohwcursor", 10) == 0) |
| 1627 | nohwcursor = 1; |
| 1628 | else if (strncmp(this_opt, "devices:", 8) == 0) { |
| 1629 | this_opt += 8; |
| 1630 | device_count = simple_strtol(this_opt, &endptr, 0); |
| 1631 | if ((device_count < 0) || |
| 1632 | (device_count > MAX_DEVICE_COUNT)) |
| 1633 | device_count = MAX_DEVICE_COUNT; |
| 1634 | } else if (strncmp(this_opt, "wincfg:", 7) == 0) { |
| 1635 | this_opt += 7; |
| 1636 | window_index = simple_strtol(this_opt, &endptr, 0); |
| 1637 | if ((window_index < 0) || |
| 1638 | (window_index >= ARRAY_SIZE(windows))) |
| 1639 | window_index = DEFAULT_WINDOW_INDEX; |
| 1640 | } else if (strncmp(this_opt, "off", 3) == 0) |
| 1641 | return 1; |
| 1642 | else |
| 1643 | print_warn("Unsupported option \"%s\"", this_opt); |
| 1644 | } |
| 1645 | |
| 1646 | out: |
| 1647 | return 0; |
| 1648 | } |
| 1649 | |
| 1650 | /* AU1200 LCD controller device driver */ |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 1651 | static int au1200fb_drv_probe(struct platform_device *dev) |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1652 | { |
| 1653 | struct au1200fb_device *fbdev; |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1654 | struct au1200fb_platdata *pd; |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1655 | struct fb_info *fbi = NULL; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1656 | unsigned long page; |
Manuel Lauss | 1630d85 | 2011-06-12 17:15:29 +0000 | [diff] [blame] | 1657 | int bpp, plane, ret, irq; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1658 | |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1659 | print_info("" DRIVER_DESC ""); |
| 1660 | |
| 1661 | pd = dev->dev.platform_data; |
| 1662 | if (!pd) |
| 1663 | return -ENODEV; |
| 1664 | |
| 1665 | /* Setup driver with options */ |
| 1666 | if (au1200fb_setup(pd)) |
| 1667 | return -ENODEV; |
| 1668 | |
| 1669 | /* Point to the panel selected */ |
| 1670 | panel = &known_lcd_panels[panel_index]; |
| 1671 | win = &windows[window_index]; |
| 1672 | |
| 1673 | printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name); |
| 1674 | printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name); |
| 1675 | |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1676 | /* shut gcc up */ |
| 1677 | ret = 0; |
| 1678 | fbdev = NULL; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1679 | |
Manuel Lauss | 8be90b0 | 2011-06-10 15:23:03 +0000 | [diff] [blame] | 1680 | for (plane = 0; plane < device_count; ++plane) { |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1681 | bpp = winbpp(win->w[plane].mode_winctrl1); |
| 1682 | if (win->w[plane].xres == 0) |
| 1683 | win->w[plane].xres = panel->Xres; |
| 1684 | if (win->w[plane].yres == 0) |
| 1685 | win->w[plane].yres = panel->Yres; |
| 1686 | |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1687 | fbi = framebuffer_alloc(sizeof(struct au1200fb_device), |
| 1688 | &dev->dev); |
| 1689 | if (!fbi) |
| 1690 | goto failed; |
| 1691 | |
| 1692 | _au1200fb_infos[plane] = fbi; |
| 1693 | fbdev = fbi->par; |
| 1694 | fbdev->fb_info = fbi; |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1695 | fbdev->pd = pd; |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1696 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1697 | fbdev->plane = plane; |
| 1698 | |
| 1699 | /* Allocate the framebuffer to the maximum screen size */ |
| 1700 | fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8; |
| 1701 | |
Manuel Lauss | 9301973 | 2012-03-24 11:38:02 +0100 | [diff] [blame] | 1702 | fbdev->fb_mem = dmam_alloc_noncoherent(&dev->dev, |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1703 | PAGE_ALIGN(fbdev->fb_len), |
| 1704 | &fbdev->fb_phys, GFP_KERNEL); |
| 1705 | if (!fbdev->fb_mem) { |
| 1706 | print_err("fail to allocate frambuffer (size: %dK))", |
| 1707 | fbdev->fb_len / 1024); |
| 1708 | return -ENOMEM; |
| 1709 | } |
| 1710 | |
| 1711 | /* |
| 1712 | * Set page reserved so that mmap will work. This is necessary |
| 1713 | * since we'll be remapping normal memory. |
| 1714 | */ |
| 1715 | for (page = (unsigned long)fbdev->fb_phys; |
| 1716 | page < PAGE_ALIGN((unsigned long)fbdev->fb_phys + |
| 1717 | fbdev->fb_len); |
| 1718 | page += PAGE_SIZE) { |
| 1719 | SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */ |
| 1720 | } |
| 1721 | print_dbg("Framebuffer memory map at %p", fbdev->fb_mem); |
| 1722 | print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024); |
| 1723 | |
| 1724 | /* Init FB data */ |
| 1725 | if ((ret = au1200fb_init_fbinfo(fbdev)) < 0) |
| 1726 | goto failed; |
| 1727 | |
| 1728 | /* Register new framebuffer */ |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1729 | ret = register_framebuffer(fbi); |
| 1730 | if (ret < 0) { |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1731 | print_err("cannot register new framebuffer"); |
| 1732 | goto failed; |
| 1733 | } |
| 1734 | |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1735 | au1200fb_fb_set_par(fbi); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1736 | |
| 1737 | #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO) |
| 1738 | if (plane == 0) |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1739 | if (fb_prepare_logo(fbi, FB_ROTATE_UR)) { |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1740 | /* Start display and show logo on boot */ |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1741 | fb_set_cmap(&fbi->cmap, fbi); |
| 1742 | fb_show_logo(fbi, FB_ROTATE_UR); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1743 | } |
| 1744 | #endif |
| 1745 | } |
| 1746 | |
| 1747 | /* Now hook interrupt too */ |
Manuel Lauss | 1630d85 | 2011-06-12 17:15:29 +0000 | [diff] [blame] | 1748 | irq = platform_get_irq(dev, 0); |
| 1749 | ret = request_irq(irq, au1200fb_handle_irq, |
Yong Zhang | f8798cc | 2011-09-22 16:59:16 +0800 | [diff] [blame] | 1750 | IRQF_SHARED, "lcd", (void *)dev); |
Manuel Lauss | 1630d85 | 2011-06-12 17:15:29 +0000 | [diff] [blame] | 1751 | if (ret) { |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1752 | print_err("fail to request interrupt line %d (err: %d)", |
Manuel Lauss | 1630d85 | 2011-06-12 17:15:29 +0000 | [diff] [blame] | 1753 | irq, ret); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1754 | goto failed; |
| 1755 | } |
| 1756 | |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1757 | platform_set_drvdata(dev, pd); |
| 1758 | |
| 1759 | /* Kickstart the panel */ |
| 1760 | au1200_setpanel(panel, pd); |
| 1761 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1762 | return 0; |
| 1763 | |
| 1764 | failed: |
| 1765 | /* NOTE: This only does the current plane/window that failed; others are still active */ |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1766 | if (fbi) { |
| 1767 | if (fbi->cmap.len != 0) |
| 1768 | fb_dealloc_cmap(&fbi->cmap); |
| 1769 | kfree(fbi->pseudo_palette); |
| 1770 | } |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1771 | if (plane == 0) |
| 1772 | free_irq(AU1200_LCD_INT, (void*)dev); |
| 1773 | return ret; |
| 1774 | } |
| 1775 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 1776 | static int au1200fb_drv_remove(struct platform_device *dev) |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1777 | { |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1778 | struct au1200fb_platdata *pd = platform_get_drvdata(dev); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1779 | struct au1200fb_device *fbdev; |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1780 | struct fb_info *fbi; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1781 | int plane; |
| 1782 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1783 | /* Turn off the panel */ |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1784 | au1200_setpanel(NULL, pd); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1785 | |
Manuel Lauss | 8be90b0 | 2011-06-10 15:23:03 +0000 | [diff] [blame] | 1786 | for (plane = 0; plane < device_count; ++plane) { |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1787 | fbi = _au1200fb_infos[plane]; |
| 1788 | fbdev = fbi->par; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1789 | |
| 1790 | /* Clean up all probe data */ |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1791 | unregister_framebuffer(fbi); |
Manuel Lauss | c329f60 | 2011-06-10 15:23:01 +0000 | [diff] [blame] | 1792 | if (fbi->cmap.len != 0) |
| 1793 | fb_dealloc_cmap(&fbi->cmap); |
| 1794 | kfree(fbi->pseudo_palette); |
| 1795 | |
| 1796 | framebuffer_release(fbi); |
| 1797 | _au1200fb_infos[plane] = NULL; |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1798 | } |
| 1799 | |
Manuel Lauss | 1630d85 | 2011-06-12 17:15:29 +0000 | [diff] [blame] | 1800 | free_irq(platform_get_irq(dev, 0), (void *)dev); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1801 | |
| 1802 | return 0; |
| 1803 | } |
| 1804 | |
| 1805 | #ifdef CONFIG_PM |
Manuel Lauss | 98707fc | 2011-06-10 15:23:02 +0000 | [diff] [blame] | 1806 | static int au1200fb_drv_suspend(struct device *dev) |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1807 | { |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1808 | struct au1200fb_platdata *pd = dev_get_drvdata(dev); |
| 1809 | au1200_setpanel(NULL, pd); |
Manuel Lauss | 98707fc | 2011-06-10 15:23:02 +0000 | [diff] [blame] | 1810 | |
| 1811 | lcd->outmask = 0; |
| 1812 | au_sync(); |
| 1813 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1814 | return 0; |
| 1815 | } |
| 1816 | |
Manuel Lauss | 98707fc | 2011-06-10 15:23:02 +0000 | [diff] [blame] | 1817 | static int au1200fb_drv_resume(struct device *dev) |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1818 | { |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1819 | struct au1200fb_platdata *pd = dev_get_drvdata(dev); |
Manuel Lauss | 98707fc | 2011-06-10 15:23:02 +0000 | [diff] [blame] | 1820 | struct fb_info *fbi; |
| 1821 | int i; |
| 1822 | |
| 1823 | /* Kickstart the panel */ |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 1824 | au1200_setpanel(panel, pd); |
Manuel Lauss | 98707fc | 2011-06-10 15:23:02 +0000 | [diff] [blame] | 1825 | |
Manuel Lauss | 8be90b0 | 2011-06-10 15:23:03 +0000 | [diff] [blame] | 1826 | for (i = 0; i < device_count; i++) { |
Manuel Lauss | 98707fc | 2011-06-10 15:23:02 +0000 | [diff] [blame] | 1827 | fbi = _au1200fb_infos[i]; |
| 1828 | au1200fb_fb_set_par(fbi); |
| 1829 | } |
| 1830 | |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1831 | return 0; |
| 1832 | } |
Manuel Lauss | 98707fc | 2011-06-10 15:23:02 +0000 | [diff] [blame] | 1833 | |
| 1834 | static const struct dev_pm_ops au1200fb_pmops = { |
| 1835 | .suspend = au1200fb_drv_suspend, |
| 1836 | .resume = au1200fb_drv_resume, |
| 1837 | .freeze = au1200fb_drv_suspend, |
| 1838 | .thaw = au1200fb_drv_resume, |
| 1839 | }; |
| 1840 | |
| 1841 | #define AU1200FB_PMOPS (&au1200fb_pmops) |
| 1842 | |
| 1843 | #else |
| 1844 | #define AU1200FB_PMOPS NULL |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1845 | #endif /* CONFIG_PM */ |
| 1846 | |
Ming Lei | 7a192ec | 2009-02-06 23:40:12 +0800 | [diff] [blame] | 1847 | static struct platform_driver au1200fb_driver = { |
| 1848 | .driver = { |
Manuel Lauss | 98707fc | 2011-06-10 15:23:02 +0000 | [diff] [blame] | 1849 | .name = "au1200-lcd", |
| 1850 | .owner = THIS_MODULE, |
| 1851 | .pm = AU1200FB_PMOPS, |
Ming Lei | 7a192ec | 2009-02-06 23:40:12 +0800 | [diff] [blame] | 1852 | }, |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1853 | .probe = au1200fb_drv_probe, |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 1854 | .remove = au1200fb_drv_remove, |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1855 | }; |
Hanjun Guo | d07b319 | 2013-09-29 13:32:09 +0800 | [diff] [blame] | 1856 | module_platform_driver(au1200fb_driver); |
Ralf Baechle | f95ec3c | 2006-03-27 01:17:27 -0800 | [diff] [blame] | 1857 | |
| 1858 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 1859 | MODULE_LICENSE("GPL"); |