Root/
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> |
44 | #include <linux/slab.h> |
45 | |
46 | #include <asm/mach-au1x00/au1000.h> |
47 | #include <asm/mach-au1x00/au1200fb.h> /* platform_data */ |
48 | #include "au1200fb.h" |
49 | |
50 | #define DRIVER_NAME "au1200fb" |
51 | #define DRIVER_DESC "LCD controller driver for AU1200 processors" |
52 | |
53 | #define DEBUG 0 |
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 { |
146 | struct fb_info *fb_info; /* FB driver info record */ |
147 | struct au1200fb_platdata *pd; |
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 | |
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 | |
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 | |
173 | /********************************************************************/ |
174 | |
175 | static struct fb_info *_au1200fb_infos[MAX_DEVICE_COUNT]; |
176 | static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR; |
177 | static int device_count = MAX_DEVICE_COUNT; |
178 | static int window_index = DEFAULT_WINDOW_INDEX; /* default is zero */ |
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 | |
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; |
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 */ |
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 */ |
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 */ |
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 */ |
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 */ |
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 */ |
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 */ |
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 */ |
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 */ |
618 | 856, 856, |
619 | 480, 480, |
620 | }, |
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, |
652 | 800, 800, |
653 | 480, 480, |
654 | }, |
655 | }; |
656 | |
657 | #define NUM_PANELS (ARRAY_SIZE(known_lcd_panels)) |
658 | |
659 | /********************************************************************/ |
660 | |
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 | |
702 | for (i = 0; i < device_count; ++i) { |
703 | if (fb_info == _au1200fb_infos[i]) |
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 | |
780 | static void au1200_setpanel(struct panel_settings *newpanel, |
781 | struct au1200fb_platdata *pd) |
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 | */ |
815 | if (pd->panel_shutdown) |
816 | pd->panel_shutdown(); |
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 */ |
869 | if (pd->panel_init) |
870 | pd->panel_init(); |
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 |
954 | | LCD_WINCTRL2_BX_N(fbdev->fb_info->fix.line_length) |
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 | { |
1042 | struct au1200fb_device *fbdev = fbi->par; |
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); |
1071 | pixclock = min3(pixclock, fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2); |
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 | { |
1134 | struct au1200fb_device *fbdev = fbi->par; |
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 | { |
1203 | struct au1200fb_device *fbdev = fbi->par; |
1204 | |
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"); */ |
1214 | au1200_setpanel(panel, fbdev->pd); |
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"); */ |
1220 | au1200_setpanel(NULL, fbdev->pd); |
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) |
1236 | |
1237 | { |
1238 | unsigned int len; |
1239 | unsigned long start=0, off; |
1240 | struct au1200fb_device *fbdev = info->par; |
1241 | |
1242 | if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) { |
1243 | return -EINVAL; |
1244 | } |
1245 | |
1246 | start = fbdev->fb_phys & PAGE_MASK; |
1247 | len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len); |
1248 | |
1249 | off = vma->vm_pgoff << PAGE_SHIFT; |
1250 | |
1251 | if ((vma->vm_end - vma->vm_start + off) > len) { |
1252 | return -EINVAL; |
1253 | } |
1254 | |
1255 | off += start; |
1256 | vma->vm_pgoff = off >> PAGE_SHIFT; |
1257 | |
1258 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); |
1259 | pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */ |
1260 | |
1261 | vma->vm_flags |= VM_IO; |
1262 | |
1263 | return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, |
1264 | vma->vm_end - vma->vm_start, |
1265 | vma->vm_page_prot); |
1266 | |
1267 | return 0; |
1268 | } |
1269 | |
1270 | static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) |
1271 | { |
1272 | |
1273 | unsigned int hi1, divider; |
1274 | |
1275 | /* SCREEN_SIZE: user cannot reset size, must switch panel choice */ |
1276 | |
1277 | if (pdata->flags & SCREEN_BACKCOLOR) |
1278 | lcd->backcolor = pdata->backcolor; |
1279 | |
1280 | if (pdata->flags & SCREEN_BRIGHTNESS) { |
1281 | |
1282 | // limit brightness pwm duty to >= 30/1600 |
1283 | if (pdata->brightness < 30) { |
1284 | pdata->brightness = 30; |
1285 | } |
1286 | divider = (lcd->pwmdiv & 0x3FFFF) + 1; |
1287 | hi1 = (lcd->pwmhi >> 16) + 1; |
1288 | hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8); |
1289 | lcd->pwmhi &= 0xFFFF; |
1290 | lcd->pwmhi |= (hi1 << 16); |
1291 | } |
1292 | |
1293 | if (pdata->flags & SCREEN_COLORKEY) |
1294 | lcd->colorkey = pdata->colorkey; |
1295 | |
1296 | if (pdata->flags & SCREEN_MASK) |
1297 | lcd->colorkeymsk = pdata->mask; |
1298 | au_sync(); |
1299 | } |
1300 | |
1301 | static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) |
1302 | { |
1303 | unsigned int hi1, divider; |
1304 | |
1305 | pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1; |
1306 | pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1; |
1307 | |
1308 | pdata->backcolor = lcd->backcolor; |
1309 | pdata->colorkey = lcd->colorkey; |
1310 | pdata->mask = lcd->colorkeymsk; |
1311 | |
1312 | // brightness |
1313 | hi1 = (lcd->pwmhi >> 16) + 1; |
1314 | divider = (lcd->pwmdiv & 0x3FFFF) + 1; |
1315 | pdata->brightness = ((hi1 << 8) / divider) - 1; |
1316 | au_sync(); |
1317 | } |
1318 | |
1319 | static void set_window(unsigned int plane, |
1320 | struct au1200_lcd_window_regs_t *pdata) |
1321 | { |
1322 | unsigned int val, bpp; |
1323 | |
1324 | /* Window control register 0 */ |
1325 | if (pdata->flags & WIN_POSITION) { |
1326 | val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX | |
1327 | LCD_WINCTRL0_OY); |
1328 | val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX); |
1329 | val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY); |
1330 | lcd->window[plane].winctrl0 = val; |
1331 | } |
1332 | if (pdata->flags & WIN_ALPHA_COLOR) { |
1333 | val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A); |
1334 | val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A); |
1335 | lcd->window[plane].winctrl0 = val; |
1336 | } |
1337 | if (pdata->flags & WIN_ALPHA_MODE) { |
1338 | val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN); |
1339 | val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN); |
1340 | lcd->window[plane].winctrl0 = val; |
1341 | } |
1342 | |
1343 | /* Window control register 1 */ |
1344 | if (pdata->flags & WIN_PRIORITY) { |
1345 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI); |
1346 | val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI); |
1347 | lcd->window[plane].winctrl1 = val; |
1348 | } |
1349 | if (pdata->flags & WIN_CHANNEL) { |
1350 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE); |
1351 | val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE); |
1352 | lcd->window[plane].winctrl1 = val; |
1353 | } |
1354 | if (pdata->flags & WIN_BUFFER_FORMAT) { |
1355 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM); |
1356 | val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM); |
1357 | lcd->window[plane].winctrl1 = val; |
1358 | } |
1359 | if (pdata->flags & WIN_COLOR_ORDER) { |
1360 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO); |
1361 | val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO); |
1362 | lcd->window[plane].winctrl1 = val; |
1363 | } |
1364 | if (pdata->flags & WIN_PIXEL_ORDER) { |
1365 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO); |
1366 | val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO); |
1367 | lcd->window[plane].winctrl1 = val; |
1368 | } |
1369 | if (pdata->flags & WIN_SIZE) { |
1370 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX | |
1371 | LCD_WINCTRL1_SZY); |
1372 | val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX); |
1373 | val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY); |
1374 | lcd->window[plane].winctrl1 = val; |
1375 | /* program buffer line width */ |
1376 | bpp = winbpp(val) / 8; |
1377 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX); |
1378 | val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX); |
1379 | lcd->window[plane].winctrl2 = val; |
1380 | } |
1381 | |
1382 | /* Window control register 2 */ |
1383 | if (pdata->flags & WIN_COLORKEY_MODE) { |
1384 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE); |
1385 | val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE); |
1386 | lcd->window[plane].winctrl2 = val; |
1387 | } |
1388 | if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) { |
1389 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM); |
1390 | val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM); |
1391 | lcd->window[plane].winctrl2 = val; |
1392 | } |
1393 | if (pdata->flags & WIN_RAM_ARRAY_MODE) { |
1394 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM); |
1395 | val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM); |
1396 | lcd->window[plane].winctrl2 = val; |
1397 | } |
1398 | |
1399 | /* Buffer line width programmed with WIN_SIZE */ |
1400 | |
1401 | if (pdata->flags & WIN_BUFFER_SCALE) { |
1402 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX | |
1403 | LCD_WINCTRL2_SCY); |
1404 | val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX); |
1405 | val |= ((pdata->ysize) & LCD_WINCTRL2_SCY); |
1406 | lcd->window[plane].winctrl2 = val; |
1407 | } |
1408 | |
1409 | if (pdata->flags & WIN_ENABLE) { |
1410 | val = lcd->winenable; |
1411 | val &= ~(1<<plane); |
1412 | val |= (pdata->enable & 1) << plane; |
1413 | lcd->winenable = val; |
1414 | } |
1415 | au_sync(); |
1416 | } |
1417 | |
1418 | static void get_window(unsigned int plane, |
1419 | struct au1200_lcd_window_regs_t *pdata) |
1420 | { |
1421 | /* Window control register 0 */ |
1422 | pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21; |
1423 | pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10; |
1424 | pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2; |
1425 | pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1; |
1426 | |
1427 | /* Window control register 1 */ |
1428 | pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30; |
1429 | pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29; |
1430 | pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25; |
1431 | pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24; |
1432 | pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22; |
1433 | pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1; |
1434 | pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1; |
1435 | |
1436 | /* Window control register 2 */ |
1437 | pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24; |
1438 | pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23; |
1439 | pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21; |
1440 | |
1441 | pdata->enable = (lcd->winenable >> plane) & 1; |
1442 | au_sync(); |
1443 | } |
1444 | |
1445 | static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd, |
1446 | unsigned long arg) |
1447 | { |
1448 | struct au1200fb_device *fbdev = info->par; |
1449 | int plane; |
1450 | int val; |
1451 | |
1452 | plane = fbinfo2index(info); |
1453 | print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane); |
1454 | |
1455 | if (cmd == AU1200_LCD_FB_IOCTL) { |
1456 | struct au1200_lcd_iodata_t iodata; |
1457 | |
1458 | if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata))) |
1459 | return -EFAULT; |
1460 | |
1461 | print_dbg("FB IOCTL called\n"); |
1462 | |
1463 | switch (iodata.subcmd) { |
1464 | case AU1200_LCD_SET_SCREEN: |
1465 | print_dbg("AU1200_LCD_SET_SCREEN\n"); |
1466 | set_global(cmd, &iodata.global); |
1467 | break; |
1468 | |
1469 | case AU1200_LCD_GET_SCREEN: |
1470 | print_dbg("AU1200_LCD_GET_SCREEN\n"); |
1471 | get_global(cmd, &iodata.global); |
1472 | break; |
1473 | |
1474 | case AU1200_LCD_SET_WINDOW: |
1475 | print_dbg("AU1200_LCD_SET_WINDOW\n"); |
1476 | set_window(plane, &iodata.window); |
1477 | break; |
1478 | |
1479 | case AU1200_LCD_GET_WINDOW: |
1480 | print_dbg("AU1200_LCD_GET_WINDOW\n"); |
1481 | get_window(plane, &iodata.window); |
1482 | break; |
1483 | |
1484 | case AU1200_LCD_SET_PANEL: |
1485 | print_dbg("AU1200_LCD_SET_PANEL\n"); |
1486 | if ((iodata.global.panel_choice >= 0) && |
1487 | (iodata.global.panel_choice < |
1488 | NUM_PANELS)) |
1489 | { |
1490 | struct panel_settings *newpanel; |
1491 | panel_index = iodata.global.panel_choice; |
1492 | newpanel = &known_lcd_panels[panel_index]; |
1493 | au1200_setpanel(newpanel, fbdev->pd); |
1494 | } |
1495 | break; |
1496 | |
1497 | case AU1200_LCD_GET_PANEL: |
1498 | print_dbg("AU1200_LCD_GET_PANEL\n"); |
1499 | iodata.global.panel_choice = panel_index; |
1500 | break; |
1501 | |
1502 | default: |
1503 | return -EINVAL; |
1504 | } |
1505 | |
1506 | val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata)); |
1507 | if (val) { |
1508 | print_dbg("error: could not copy %d bytes\n", val); |
1509 | return -EFAULT; |
1510 | } |
1511 | } |
1512 | |
1513 | return 0; |
1514 | } |
1515 | |
1516 | |
1517 | static struct fb_ops au1200fb_fb_ops = { |
1518 | .owner = THIS_MODULE, |
1519 | .fb_check_var = au1200fb_fb_check_var, |
1520 | .fb_set_par = au1200fb_fb_set_par, |
1521 | .fb_setcolreg = au1200fb_fb_setcolreg, |
1522 | .fb_blank = au1200fb_fb_blank, |
1523 | .fb_fillrect = sys_fillrect, |
1524 | .fb_copyarea = sys_copyarea, |
1525 | .fb_imageblit = sys_imageblit, |
1526 | .fb_read = fb_sys_read, |
1527 | .fb_write = fb_sys_write, |
1528 | .fb_sync = NULL, |
1529 | .fb_ioctl = au1200fb_ioctl, |
1530 | .fb_mmap = au1200fb_fb_mmap, |
1531 | }; |
1532 | |
1533 | /*-------------------------------------------------------------------------*/ |
1534 | |
1535 | static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id) |
1536 | { |
1537 | /* Nothing to do for now, just clear any pending interrupt */ |
1538 | lcd->intstatus = lcd->intstatus; |
1539 | au_sync(); |
1540 | |
1541 | return IRQ_HANDLED; |
1542 | } |
1543 | |
1544 | /*-------------------------------------------------------------------------*/ |
1545 | |
1546 | /* AU1200 LCD device probe helpers */ |
1547 | |
1548 | static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev) |
1549 | { |
1550 | struct fb_info *fbi = fbdev->fb_info; |
1551 | int bpp; |
1552 | |
1553 | fbi->fbops = &au1200fb_fb_ops; |
1554 | |
1555 | bpp = winbpp(win->w[fbdev->plane].mode_winctrl1); |
1556 | |
1557 | /* Copy monitor specs from panel data */ |
1558 | /* fixme: we're setting up LCD controller windows, so these dont give a |
1559 | damn as to what the monitor specs are (the panel itself does, but that |
1560 | isn't done here...so maybe need a generic catchall monitor setting??? */ |
1561 | memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs)); |
1562 | |
1563 | /* We first try the user mode passed in argument. If that failed, |
1564 | * or if no one has been specified, we default to the first mode of the |
1565 | * panel list. Note that after this call, var data will be set */ |
1566 | if (!fb_find_mode(&fbi->var, |
1567 | fbi, |
1568 | NULL, /* drv_info.opt_mode, */ |
1569 | fbi->monspecs.modedb, |
1570 | fbi->monspecs.modedb_len, |
1571 | fbi->monspecs.modedb, |
1572 | bpp)) { |
1573 | |
1574 | print_err("Cannot find valid mode for panel %s", panel->name); |
1575 | return -EFAULT; |
1576 | } |
1577 | |
1578 | fbi->pseudo_palette = kcalloc(16, sizeof(u32), GFP_KERNEL); |
1579 | if (!fbi->pseudo_palette) { |
1580 | return -ENOMEM; |
1581 | } |
1582 | |
1583 | if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { |
1584 | print_err("Fail to allocate colormap (%d entries)", |
1585 | AU1200_LCD_NBR_PALETTE_ENTRIES); |
1586 | kfree(fbi->pseudo_palette); |
1587 | return -EFAULT; |
1588 | } |
1589 | |
1590 | strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id)); |
1591 | fbi->fix.smem_start = fbdev->fb_phys; |
1592 | fbi->fix.smem_len = fbdev->fb_len; |
1593 | fbi->fix.type = FB_TYPE_PACKED_PIXELS; |
1594 | fbi->fix.xpanstep = 0; |
1595 | fbi->fix.ypanstep = 0; |
1596 | fbi->fix.mmio_start = 0; |
1597 | fbi->fix.mmio_len = 0; |
1598 | fbi->fix.accel = FB_ACCEL_NONE; |
1599 | |
1600 | fbi->screen_base = (char __iomem *) fbdev->fb_mem; |
1601 | |
1602 | au1200fb_update_fbinfo(fbi); |
1603 | |
1604 | return 0; |
1605 | } |
1606 | |
1607 | /*-------------------------------------------------------------------------*/ |
1608 | |
1609 | |
1610 | static int au1200fb_setup(struct au1200fb_platdata *pd) |
1611 | { |
1612 | char *options = NULL; |
1613 | char *this_opt, *endptr; |
1614 | int num_panels = ARRAY_SIZE(known_lcd_panels); |
1615 | int panel_idx = -1; |
1616 | |
1617 | fb_get_options(DRIVER_NAME, &options); |
1618 | |
1619 | if (!options) |
1620 | goto out; |
1621 | |
1622 | while ((this_opt = strsep(&options, ",")) != NULL) { |
1623 | /* Panel option - can be panel name, |
1624 | * "bs" for board-switch, or number/index */ |
1625 | if (!strncmp(this_opt, "panel:", 6)) { |
1626 | int i; |
1627 | long int li; |
1628 | char *endptr; |
1629 | this_opt += 6; |
1630 | /* First check for index, which allows |
1631 | * to short circuit this mess */ |
1632 | li = simple_strtol(this_opt, &endptr, 0); |
1633 | if (*endptr == '\0') |
1634 | panel_idx = (int)li; |
1635 | else if (strcmp(this_opt, "bs") == 0) |
1636 | panel_idx = pd->panel_index(); |
1637 | else { |
1638 | for (i = 0; i < num_panels; i++) { |
1639 | if (!strcmp(this_opt, |
1640 | known_lcd_panels[i].name)) { |
1641 | panel_idx = i; |
1642 | break; |
1643 | } |
1644 | } |
1645 | } |
1646 | if ((panel_idx < 0) || (panel_idx >= num_panels)) |
1647 | print_warn("Panel %s not supported!", this_opt); |
1648 | else |
1649 | panel_index = panel_idx; |
1650 | |
1651 | } else if (strncmp(this_opt, "nohwcursor", 10) == 0) |
1652 | nohwcursor = 1; |
1653 | else if (strncmp(this_opt, "devices:", 8) == 0) { |
1654 | this_opt += 8; |
1655 | device_count = simple_strtol(this_opt, &endptr, 0); |
1656 | if ((device_count < 0) || |
1657 | (device_count > MAX_DEVICE_COUNT)) |
1658 | device_count = MAX_DEVICE_COUNT; |
1659 | } else if (strncmp(this_opt, "wincfg:", 7) == 0) { |
1660 | this_opt += 7; |
1661 | window_index = simple_strtol(this_opt, &endptr, 0); |
1662 | if ((window_index < 0) || |
1663 | (window_index >= ARRAY_SIZE(windows))) |
1664 | window_index = DEFAULT_WINDOW_INDEX; |
1665 | } else if (strncmp(this_opt, "off", 3) == 0) |
1666 | return 1; |
1667 | else |
1668 | print_warn("Unsupported option \"%s\"", this_opt); |
1669 | } |
1670 | |
1671 | out: |
1672 | return 0; |
1673 | } |
1674 | |
1675 | /* AU1200 LCD controller device driver */ |
1676 | static int au1200fb_drv_probe(struct platform_device *dev) |
1677 | { |
1678 | struct au1200fb_device *fbdev; |
1679 | struct au1200fb_platdata *pd; |
1680 | struct fb_info *fbi = NULL; |
1681 | unsigned long page; |
1682 | int bpp, plane, ret, irq; |
1683 | |
1684 | print_info("" DRIVER_DESC ""); |
1685 | |
1686 | pd = dev->dev.platform_data; |
1687 | if (!pd) |
1688 | return -ENODEV; |
1689 | |
1690 | /* Setup driver with options */ |
1691 | if (au1200fb_setup(pd)) |
1692 | return -ENODEV; |
1693 | |
1694 | /* Point to the panel selected */ |
1695 | panel = &known_lcd_panels[panel_index]; |
1696 | win = &windows[window_index]; |
1697 | |
1698 | printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name); |
1699 | printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name); |
1700 | |
1701 | /* shut gcc up */ |
1702 | ret = 0; |
1703 | fbdev = NULL; |
1704 | |
1705 | for (plane = 0; plane < device_count; ++plane) { |
1706 | bpp = winbpp(win->w[plane].mode_winctrl1); |
1707 | if (win->w[plane].xres == 0) |
1708 | win->w[plane].xres = panel->Xres; |
1709 | if (win->w[plane].yres == 0) |
1710 | win->w[plane].yres = panel->Yres; |
1711 | |
1712 | fbi = framebuffer_alloc(sizeof(struct au1200fb_device), |
1713 | &dev->dev); |
1714 | if (!fbi) |
1715 | goto failed; |
1716 | |
1717 | _au1200fb_infos[plane] = fbi; |
1718 | fbdev = fbi->par; |
1719 | fbdev->fb_info = fbi; |
1720 | fbdev->pd = pd; |
1721 | |
1722 | fbdev->plane = plane; |
1723 | |
1724 | /* Allocate the framebuffer to the maximum screen size */ |
1725 | fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8; |
1726 | |
1727 | fbdev->fb_mem = dmam_alloc_noncoherent(&dev->dev, |
1728 | PAGE_ALIGN(fbdev->fb_len), |
1729 | &fbdev->fb_phys, GFP_KERNEL); |
1730 | if (!fbdev->fb_mem) { |
1731 | print_err("fail to allocate frambuffer (size: %dK))", |
1732 | fbdev->fb_len / 1024); |
1733 | return -ENOMEM; |
1734 | } |
1735 | |
1736 | /* |
1737 | * Set page reserved so that mmap will work. This is necessary |
1738 | * since we'll be remapping normal memory. |
1739 | */ |
1740 | for (page = (unsigned long)fbdev->fb_phys; |
1741 | page < PAGE_ALIGN((unsigned long)fbdev->fb_phys + |
1742 | fbdev->fb_len); |
1743 | page += PAGE_SIZE) { |
1744 | SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */ |
1745 | } |
1746 | print_dbg("Framebuffer memory map at %p", fbdev->fb_mem); |
1747 | print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024); |
1748 | |
1749 | /* Init FB data */ |
1750 | if ((ret = au1200fb_init_fbinfo(fbdev)) < 0) |
1751 | goto failed; |
1752 | |
1753 | /* Register new framebuffer */ |
1754 | ret = register_framebuffer(fbi); |
1755 | if (ret < 0) { |
1756 | print_err("cannot register new framebuffer"); |
1757 | goto failed; |
1758 | } |
1759 | |
1760 | au1200fb_fb_set_par(fbi); |
1761 | |
1762 | #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO) |
1763 | if (plane == 0) |
1764 | if (fb_prepare_logo(fbi, FB_ROTATE_UR)) { |
1765 | /* Start display and show logo on boot */ |
1766 | fb_set_cmap(&fbi->cmap, fbi); |
1767 | fb_show_logo(fbi, FB_ROTATE_UR); |
1768 | } |
1769 | #endif |
1770 | } |
1771 | |
1772 | /* Now hook interrupt too */ |
1773 | irq = platform_get_irq(dev, 0); |
1774 | ret = request_irq(irq, au1200fb_handle_irq, |
1775 | IRQF_SHARED, "lcd", (void *)dev); |
1776 | if (ret) { |
1777 | print_err("fail to request interrupt line %d (err: %d)", |
1778 | irq, ret); |
1779 | goto failed; |
1780 | } |
1781 | |
1782 | platform_set_drvdata(dev, pd); |
1783 | |
1784 | /* Kickstart the panel */ |
1785 | au1200_setpanel(panel, pd); |
1786 | |
1787 | return 0; |
1788 | |
1789 | failed: |
1790 | /* NOTE: This only does the current plane/window that failed; others are still active */ |
1791 | if (fbi) { |
1792 | if (fbi->cmap.len != 0) |
1793 | fb_dealloc_cmap(&fbi->cmap); |
1794 | kfree(fbi->pseudo_palette); |
1795 | } |
1796 | if (plane == 0) |
1797 | free_irq(AU1200_LCD_INT, (void*)dev); |
1798 | return ret; |
1799 | } |
1800 | |
1801 | static int au1200fb_drv_remove(struct platform_device *dev) |
1802 | { |
1803 | struct au1200fb_platdata *pd = platform_get_drvdata(dev); |
1804 | struct au1200fb_device *fbdev; |
1805 | struct fb_info *fbi; |
1806 | int plane; |
1807 | |
1808 | /* Turn off the panel */ |
1809 | au1200_setpanel(NULL, pd); |
1810 | |
1811 | for (plane = 0; plane < device_count; ++plane) { |
1812 | fbi = _au1200fb_infos[plane]; |
1813 | fbdev = fbi->par; |
1814 | |
1815 | /* Clean up all probe data */ |
1816 | unregister_framebuffer(fbi); |
1817 | if (fbi->cmap.len != 0) |
1818 | fb_dealloc_cmap(&fbi->cmap); |
1819 | kfree(fbi->pseudo_palette); |
1820 | |
1821 | framebuffer_release(fbi); |
1822 | _au1200fb_infos[plane] = NULL; |
1823 | } |
1824 | |
1825 | free_irq(platform_get_irq(dev, 0), (void *)dev); |
1826 | |
1827 | return 0; |
1828 | } |
1829 | |
1830 | #ifdef CONFIG_PM |
1831 | static int au1200fb_drv_suspend(struct device *dev) |
1832 | { |
1833 | struct au1200fb_platdata *pd = dev_get_drvdata(dev); |
1834 | au1200_setpanel(NULL, pd); |
1835 | |
1836 | lcd->outmask = 0; |
1837 | au_sync(); |
1838 | |
1839 | return 0; |
1840 | } |
1841 | |
1842 | static int au1200fb_drv_resume(struct device *dev) |
1843 | { |
1844 | struct au1200fb_platdata *pd = dev_get_drvdata(dev); |
1845 | struct fb_info *fbi; |
1846 | int i; |
1847 | |
1848 | /* Kickstart the panel */ |
1849 | au1200_setpanel(panel, pd); |
1850 | |
1851 | for (i = 0; i < device_count; i++) { |
1852 | fbi = _au1200fb_infos[i]; |
1853 | au1200fb_fb_set_par(fbi); |
1854 | } |
1855 | |
1856 | return 0; |
1857 | } |
1858 | |
1859 | static const struct dev_pm_ops au1200fb_pmops = { |
1860 | .suspend = au1200fb_drv_suspend, |
1861 | .resume = au1200fb_drv_resume, |
1862 | .freeze = au1200fb_drv_suspend, |
1863 | .thaw = au1200fb_drv_resume, |
1864 | }; |
1865 | |
1866 | #define AU1200FB_PMOPS (&au1200fb_pmops) |
1867 | |
1868 | #else |
1869 | #define AU1200FB_PMOPS NULL |
1870 | #endif /* CONFIG_PM */ |
1871 | |
1872 | static struct platform_driver au1200fb_driver = { |
1873 | .driver = { |
1874 | .name = "au1200-lcd", |
1875 | .owner = THIS_MODULE, |
1876 | .pm = AU1200FB_PMOPS, |
1877 | }, |
1878 | .probe = au1200fb_drv_probe, |
1879 | .remove = au1200fb_drv_remove, |
1880 | }; |
1881 | |
1882 | /*-------------------------------------------------------------------------*/ |
1883 | |
1884 | static int __init au1200fb_init(void) |
1885 | { |
1886 | return platform_driver_register(&au1200fb_driver); |
1887 | } |
1888 | |
1889 | static void __exit au1200fb_cleanup(void) |
1890 | { |
1891 | platform_driver_unregister(&au1200fb_driver); |
1892 | } |
1893 | |
1894 | module_init(au1200fb_init); |
1895 | module_exit(au1200fb_cleanup); |
1896 | |
1897 | MODULE_DESCRIPTION(DRIVER_DESC); |
1898 | MODULE_LICENSE("GPL"); |
1899 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9