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au1200fb: fixup PM
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / video / au1200fb.c
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f95ec3c6
RB		 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
f95ec3c6
RB		 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>
5a0e3ad6 44#include <linux/slab.h>
f95ec3c6
RB		 45
46#include <asm/mach-au1x00/au1000.h>
47#include "au1200fb.h"
48
f95ec3c6
RB		 49#ifndef CONFIG_FB_AU1200_DEVS
50#define CONFIG_FB_AU1200_DEVS 4
51#endif
52
53#define DRIVER_NAME "au1200fb"
54#define DRIVER_DESC "LCD controller driver for AU1200 processors"
55
56#define DEBUG 1
57
58#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg)
59#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg)
60#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg)
61
62#if DEBUG
63#define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg)
64#else
65#define print_dbg(f, arg...) do {} while (0)
66#endif
67
68
69#define AU1200_LCD_FB_IOCTL 0x46FF
70
71#define AU1200_LCD_SET_SCREEN 1
72#define AU1200_LCD_GET_SCREEN 2
73#define AU1200_LCD_SET_WINDOW 3
74#define AU1200_LCD_GET_WINDOW 4
75#define AU1200_LCD_SET_PANEL 5
76#define AU1200_LCD_GET_PANEL 6
77
78#define SCREEN_SIZE (1<< 1)
79#define SCREEN_BACKCOLOR (1<< 2)
80#define SCREEN_BRIGHTNESS (1<< 3)
81#define SCREEN_COLORKEY (1<< 4)
82#define SCREEN_MASK (1<< 5)
83
84struct au1200_lcd_global_regs_t {
85 unsigned int flags;
86 unsigned int xsize;
87 unsigned int ysize;
88 unsigned int backcolor;
89 unsigned int brightness;
90 unsigned int colorkey;
91 unsigned int mask;
92 unsigned int panel_choice;
93 char panel_desc[80];
94
95};
96
97#define WIN_POSITION (1<< 0)
98#define WIN_ALPHA_COLOR (1<< 1)
99#define WIN_ALPHA_MODE (1<< 2)
100#define WIN_PRIORITY (1<< 3)
101#define WIN_CHANNEL (1<< 4)
102#define WIN_BUFFER_FORMAT (1<< 5)
103#define WIN_COLOR_ORDER (1<< 6)
104#define WIN_PIXEL_ORDER (1<< 7)
105#define WIN_SIZE (1<< 8)
106#define WIN_COLORKEY_MODE (1<< 9)
107#define WIN_DOUBLE_BUFFER_MODE (1<< 10)
108#define WIN_RAM_ARRAY_MODE (1<< 11)
109#define WIN_BUFFER_SCALE (1<< 12)
110#define WIN_ENABLE (1<< 13)
111
112struct au1200_lcd_window_regs_t {
113 unsigned int flags;
114 unsigned int xpos;
115 unsigned int ypos;
116 unsigned int alpha_color;
117 unsigned int alpha_mode;
118 unsigned int priority;
119 unsigned int channel;
120 unsigned int buffer_format;
121 unsigned int color_order;
122 unsigned int pixel_order;
123 unsigned int xsize;
124 unsigned int ysize;
125 unsigned int colorkey_mode;
126 unsigned int double_buffer_mode;
127 unsigned int ram_array_mode;
128 unsigned int xscale;
129 unsigned int yscale;
130 unsigned int enable;
131};
132
133
134struct au1200_lcd_iodata_t {
135 unsigned int subcmd;
136 struct au1200_lcd_global_regs_t global;
137 struct au1200_lcd_window_regs_t window;
138};
139
140#if defined(__BIG_ENDIAN)
141#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11
142#else
143#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00
144#endif
145#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565
146
147/* Private, per-framebuffer management information (independent of the panel itself) */
148struct au1200fb_device {
c329f606 149 struct fb_info *fb_info; /* FB driver info record */
f95ec3c6
RB		 150
151 int plane;
152 unsigned char* fb_mem; /* FrameBuffer memory map */
153 unsigned int fb_len;
154 dma_addr_t fb_phys;
155};
156
c329f606 157static struct fb_info *_au1200fb_infos[CONFIG_FB_AU1200_DEVS];
f95ec3c6
RB		 158/********************************************************************/
159
160/* LCD controller restrictions */
161#define AU1200_LCD_MAX_XRES 1280
162#define AU1200_LCD_MAX_YRES 1024
163#define AU1200_LCD_MAX_BPP 32
164#define AU1200_LCD_MAX_CLK 96000000 /* fixme: this needs to go away ? */
165#define AU1200_LCD_NBR_PALETTE_ENTRIES 256
166
167/* Default number of visible screen buffer to allocate */
168#define AU1200FB_NBR_VIDEO_BUFFERS 1
169
170/********************************************************************/
171
172static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR;
173static int window_index = 2; /* default is zero */
174static int panel_index = 2; /* default is zero */
175static struct window_settings *win;
176static struct panel_settings *panel;
177static int noblanking = 1;
178static int nohwcursor = 0;
179
180struct window_settings {
181 unsigned char name[64];
182 uint32 mode_backcolor;
183 uint32 mode_colorkey;
184 uint32 mode_colorkeymsk;
185 struct {
186 int xres;
187 int yres;
188 int xpos;
189 int ypos;
190 uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */
191 uint32 mode_winenable;
192 } w[4];
193};
194
195#if defined(__BIG_ENDIAN)
196#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00
197#else
198#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01
199#endif
200
201extern int board_au1200fb_panel_init (void);
202extern int board_au1200fb_panel_shutdown (void);
203
f95ec3c6
RB		 204/*
205 * Default window configurations
206 */
207static struct window_settings windows[] = {
208 { /* Index 0 */
209 "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
210 /* mode_backcolor */ 0x006600ff,
211 /* mode_colorkey,msk*/ 0, 0,
212 {
213 {
214 /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
215 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
216 LCD_WINCTRL1_PO_16BPP,
217 /* mode_winenable*/ LCD_WINENABLE_WEN0,
218 },
219 {
220 /* xres, yres, xpos, ypos */ 100, 100, 100, 100,
221 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
222 LCD_WINCTRL1_PO_16BPP |
223 LCD_WINCTRL1_PIPE,
224 /* mode_winenable*/ LCD_WINENABLE_WEN1,
225 },
226 {
227 /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
228 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
229 LCD_WINCTRL1_PO_16BPP,
230 /* mode_winenable*/ 0,
231 },
232 {
233 /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
234 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
235 LCD_WINCTRL1_PO_16BPP |
236 LCD_WINCTRL1_PIPE,
237 /* mode_winenable*/ 0,
238 },
239 },
240 },
241
242 { /* Index 1 */
243 "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
244 /* mode_backcolor */ 0x006600ff,
245 /* mode_colorkey,msk*/ 0, 0,
246 {
247 {
248 /* xres, yres, xpos, ypos */ 320, 240, 5, 5,
249 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP |
250 LCD_WINCTRL1_PO_00,
251 /* mode_winenable*/ LCD_WINENABLE_WEN0,
252 },
253 {
254 /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
255 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565
256 | LCD_WINCTRL1_PO_16BPP,
257 /* mode_winenable*/ 0,
258 },
259 {
260 /* xres, yres, xpos, ypos */ 100, 100, 0, 0,
261 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
262 LCD_WINCTRL1_PO_16BPP |
263 LCD_WINCTRL1_PIPE,
264 /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
265 },
266 {
267 /* xres, yres, xpos, ypos */ 200, 25, 0, 0,
268 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
269 LCD_WINCTRL1_PO_16BPP |
270 LCD_WINCTRL1_PIPE,
271 /* mode_winenable*/ 0,
272 },
273 },
274 },
275 { /* Index 2 */
276 "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
277 /* mode_backcolor */ 0x006600ff,
278 /* mode_colorkey,msk*/ 0, 0,
279 {
280 {
281 /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
282 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
283 LCD_WINCTRL1_PO_16BPP,
284 /* mode_winenable*/ LCD_WINENABLE_WEN0,
285 },
286 {
287 /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
288 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
289 LCD_WINCTRL1_PO_16BPP,
290 /* mode_winenable*/ 0,
291 },
292 {
293 /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
294 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP |
295 LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE,
296 /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
297 },
298 {
299 /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
300 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
301 LCD_WINCTRL1_PO_16BPP |
302 LCD_WINCTRL1_PIPE,
303 /* mode_winenable*/ 0,
304 },
305 },
306 },
307 /* Need VGA 640 @ 24bpp, @ 32bpp */
308 /* Need VGA 800 @ 24bpp, @ 32bpp */
309 /* Need VGA 1024 @ 24bpp, @ 32bpp */
310};
311
312/*
313 * Controller configurations for various panels.
314 */
315
316struct panel_settings
317{
318 const char name[25]; /* Full name <vendor>_<model> */
319
320 struct fb_monspecs monspecs; /* FB monitor specs */
321
322 /* panel timings */
323 uint32 mode_screen;
324 uint32 mode_horztiming;
325 uint32 mode_verttiming;
326 uint32 mode_clkcontrol;
327 uint32 mode_pwmdiv;
328 uint32 mode_pwmhi;
329 uint32 mode_outmask;
330 uint32 mode_fifoctrl;
331 uint32 mode_toyclksrc;
332 uint32 mode_backlight;
333 uint32 mode_auxpll;
334 int (*device_init)(void);
335 int (*device_shutdown)(void);
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 */
358static 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 .device_init = NULL,
386 .device_shutdown = NULL,
387 320, 320,
388 240, 240,
389 },
390
391 [1] = { /* VGA 640x480 H:30.3kHz V:58Hz */
392 .name = "VGA_640x480",
393 .monspecs = {
394 .modedb = NULL,
395 .modedb_len = 0,
396 .hfmin = 30000,
397 .hfmax = 70000,
398 .vfmin = 60,
399 .vfmax = 60,
400 .dclkmin = 6000000,
401 .dclkmax = 28000000,
402 .input = FB_DISP_RGB,
403 },
404 .mode_screen = 0x13f9df80,
405 .mode_horztiming = 0x003c5859,
406 .mode_verttiming = 0x00741201,
407 .mode_clkcontrol = 0x00020001, /* /4=24Mhz */
408 .mode_pwmdiv = 0x00000000,
409 .mode_pwmhi = 0x00000000,
410 .mode_outmask = 0x00FFFFFF,
411 .mode_fifoctrl = 0x2f2f2f2f,
412 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
413 .mode_backlight = 0x00000000,
414 .mode_auxpll = 8, /* 96MHz AUXPLL */
415 .device_init = NULL,
416 .device_shutdown = NULL,
417 640, 480,
418 640, 480,
419 },
420
421 [2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */
422 .name = "SVGA_800x600",
423 .monspecs = {
424 .modedb = NULL,
425 .modedb_len = 0,
426 .hfmin = 30000,
427 .hfmax = 70000,
428 .vfmin = 60,
429 .vfmax = 60,
430 .dclkmin = 6000000,
431 .dclkmax = 28000000,
432 .input = FB_DISP_RGB,
433 },
434 .mode_screen = 0x18fa5780,
435 .mode_horztiming = 0x00dc7e77,
436 .mode_verttiming = 0x00584805,
437 .mode_clkcontrol = 0x00020000, /* /2=48Mhz */
438 .mode_pwmdiv = 0x00000000,
439 .mode_pwmhi = 0x00000000,
440 .mode_outmask = 0x00FFFFFF,
441 .mode_fifoctrl = 0x2f2f2f2f,
442 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
443 .mode_backlight = 0x00000000,
444 .mode_auxpll = 8, /* 96MHz AUXPLL */
445 .device_init = NULL,
446 .device_shutdown = NULL,
447 800, 800,
448 600, 600,
449 },
450
451 [3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */
452 .name = "XVGA_1024x768",
453 .monspecs = {
454 .modedb = NULL,
455 .modedb_len = 0,
456 .hfmin = 30000,
457 .hfmax = 70000,
458 .vfmin = 60,
459 .vfmax = 60,
460 .dclkmin = 6000000,
461 .dclkmax = 28000000,
462 .input = FB_DISP_RGB,
463 },
464 .mode_screen = 0x1ffaff80,
465 .mode_horztiming = 0x007d0e57,
466 .mode_verttiming = 0x00740a01,
467 .mode_clkcontrol = 0x000A0000, /* /1 */
468 .mode_pwmdiv = 0x00000000,
469 .mode_pwmhi = 0x00000000,
470 .mode_outmask = 0x00FFFFFF,
471 .mode_fifoctrl = 0x2f2f2f2f,
472 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
473 .mode_backlight = 0x00000000,
474 .mode_auxpll = 6, /* 72MHz AUXPLL */
475 .device_init = NULL,
476 .device_shutdown = NULL,
477 1024, 1024,
478 768, 768,
479 },
480
481 [4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */
482 .name = "XVGA_1280x1024",
483 .monspecs = {
484 .modedb = NULL,
485 .modedb_len = 0,
486 .hfmin = 30000,
487 .hfmax = 70000,
488 .vfmin = 60,
489 .vfmax = 60,
490 .dclkmin = 6000000,
491 .dclkmax = 28000000,
492 .input = FB_DISP_RGB,
493 },
494 .mode_screen = 0x27fbff80,
495 .mode_horztiming = 0x00cdb2c7,
496 .mode_verttiming = 0x00600002,
497 .mode_clkcontrol = 0x000A0000, /* /1 */
498 .mode_pwmdiv = 0x00000000,
499 .mode_pwmhi = 0x00000000,
500 .mode_outmask = 0x00FFFFFF,
501 .mode_fifoctrl = 0x2f2f2f2f,
502 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
503 .mode_backlight = 0x00000000,
504 .mode_auxpll = 10, /* 120MHz AUXPLL */
505 .device_init = NULL,
506 .device_shutdown = NULL,
507 1280, 1280,
508 1024, 1024,
509 },
510
511 [5] = { /* Samsung 1024x768 TFT */
512 .name = "Samsung_1024x768_TFT",
513 .monspecs = {
514 .modedb = NULL,
515 .modedb_len = 0,
516 .hfmin = 30000,
517 .hfmax = 70000,
518 .vfmin = 60,
519 .vfmax = 60,
520 .dclkmin = 6000000,
521 .dclkmax = 28000000,
522 .input = FB_DISP_RGB,
523 },
524 .mode_screen = 0x1ffaff80,
525 .mode_horztiming = 0x018cc677,
526 .mode_verttiming = 0x00241217,
527 .mode_clkcontrol = 0x00000000, /* SCB 0x1 /4=24Mhz */
528 .mode_pwmdiv = 0x8000063f, /* SCB 0x0 */
529 .mode_pwmhi = 0x03400000, /* SCB 0x0 */
530 .mode_outmask = 0x00FFFFFF,
531 .mode_fifoctrl = 0x2f2f2f2f,
532 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
533 .mode_backlight = 0x00000000,
534 .mode_auxpll = 8, /* 96MHz AUXPLL */
535 .device_init = board_au1200fb_panel_init,
536 .device_shutdown = board_au1200fb_panel_shutdown,
537 1024, 1024,
538 768, 768,
539 },
540
541 [6] = { /* Toshiba 640x480 TFT */
542 .name = "Toshiba_640x480_TFT",
543 .monspecs = {
544 .modedb = NULL,
545 .modedb_len = 0,
546 .hfmin = 30000,
547 .hfmax = 70000,
548 .vfmin = 60,
549 .vfmax = 60,
550 .dclkmin = 6000000,
551 .dclkmax = 28000000,
552 .input = FB_DISP_RGB,
553 },
554 .mode_screen = LCD_SCREEN_SX_N(640) |
555 LCD_SCREEN_SY_N(480),
556 .mode_horztiming = LCD_HORZTIMING_HPW_N(96) |
557 LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51),
558 .mode_verttiming = LCD_VERTTIMING_VPW_N(2) |
559 LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32),
560 .mode_clkcontrol = 0x00000000, /* /4=24Mhz */
561 .mode_pwmdiv = 0x8000063f,
562 .mode_pwmhi = 0x03400000,
563 .mode_outmask = 0x00fcfcfc,
564 .mode_fifoctrl = 0x2f2f2f2f,
565 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
566 .mode_backlight = 0x00000000,
567 .mode_auxpll = 8, /* 96MHz AUXPLL */
568 .device_init = board_au1200fb_panel_init,
569 .device_shutdown = board_au1200fb_panel_shutdown,
570 640, 480,
571 640, 480,
572 },
573
574 [7] = { /* Sharp 320x240 TFT */
575 .name = "Sharp_320x240_TFT",
576 .monspecs = {
577 .modedb = NULL,
578 .modedb_len = 0,
579 .hfmin = 12500,
580 .hfmax = 20000,
581 .vfmin = 38,
582 .vfmax = 81,
583 .dclkmin = 4500000,
584 .dclkmax = 6800000,
585 .input = FB_DISP_RGB,
586 },
587 .mode_screen = LCD_SCREEN_SX_N(320) |
588 LCD_SCREEN_SY_N(240),
589 .mode_horztiming = LCD_HORZTIMING_HPW_N(60) |
590 LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2),
591 .mode_verttiming = LCD_VERTTIMING_VPW_N(2) |
592 LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5),
593 .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/
594 .mode_pwmdiv = 0x8000063f,
595 .mode_pwmhi = 0x03400000,
596 .mode_outmask = 0x00fcfcfc,
597 .mode_fifoctrl = 0x2f2f2f2f,
598 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
599 .mode_backlight = 0x00000000,
600 .mode_auxpll = 8, /* 96MHz AUXPLL */
601 .device_init = board_au1200fb_panel_init,
602 .device_shutdown = board_au1200fb_panel_shutdown,
603 320, 320,
604 240, 240,
605 },
606
607 [8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */
608 .name = "Toppoly_TD070WGCB2",
609 .monspecs = {
610 .modedb = NULL,
611 .modedb_len = 0,
612 .hfmin = 30000,
613 .hfmax = 70000,
614 .vfmin = 60,
615 .vfmax = 60,
616 .dclkmin = 6000000,
617 .dclkmax = 28000000,
618 .input = FB_DISP_RGB,
619 },
620 .mode_screen = LCD_SCREEN_SX_N(856) |
621 LCD_SCREEN_SY_N(480),
622 .mode_horztiming = LCD_HORZTIMING_HND2_N(43) |
623 LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114),
624 .mode_verttiming = LCD_VERTTIMING_VND2_N(20) |
625 LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4),
626 .mode_clkcontrol = 0x00020001, /* /4=24Mhz */
627 .mode_pwmdiv = 0x8000063f,
628 .mode_pwmhi = 0x03400000,
629 .mode_outmask = 0x00fcfcfc,
630 .mode_fifoctrl = 0x2f2f2f2f,
631 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
632 .mode_backlight = 0x00000000,
633 .mode_auxpll = 8, /* 96MHz AUXPLL */
634 .device_init = board_au1200fb_panel_init,
635 .device_shutdown = board_au1200fb_panel_shutdown,
636 856, 856,
637 480, 480,
638 },
639};
640
641#define NUM_PANELS (ARRAY_SIZE(known_lcd_panels))
642
643/********************************************************************/
644
f95ec3c6
RB		 645static int winbpp (unsigned int winctrl1)
646{
647 int bits = 0;
648
649 /* how many bits are needed for each pixel format */
650 switch (winctrl1 & LCD_WINCTRL1_FRM) {
651 case LCD_WINCTRL1_FRM_1BPP:
652 bits = 1;
653 break;
654 case LCD_WINCTRL1_FRM_2BPP:
655 bits = 2;
656 break;
657 case LCD_WINCTRL1_FRM_4BPP:
658 bits = 4;
659 break;
660 case LCD_WINCTRL1_FRM_8BPP:
661 bits = 8;
662 break;
663 case LCD_WINCTRL1_FRM_12BPP:
664 case LCD_WINCTRL1_FRM_16BPP655:
665 case LCD_WINCTRL1_FRM_16BPP565:
666 case LCD_WINCTRL1_FRM_16BPP556:
667 case LCD_WINCTRL1_FRM_16BPPI1555:
668 case LCD_WINCTRL1_FRM_16BPPI5551:
669 case LCD_WINCTRL1_FRM_16BPPA1555:
670 case LCD_WINCTRL1_FRM_16BPPA5551:
671 bits = 16;
672 break;
673 case LCD_WINCTRL1_FRM_24BPP:
674 case LCD_WINCTRL1_FRM_32BPP:
675 bits = 32;
676 break;
677 }
678
679 return bits;
680}
681
682static int fbinfo2index (struct fb_info *fb_info)
683{
684 int i;
685
686 for (i = 0; i < CONFIG_FB_AU1200_DEVS; ++i) {
c329f606 687 if (fb_info == _au1200fb_infos[i])
f95ec3c6
RB		 688 return i;
689 }
690 printk("au1200fb: ERROR: fbinfo2index failed!\n");
691 return -1;
692}
693
694static int au1200_setlocation (struct au1200fb_device *fbdev, int plane,
695 int xpos, int ypos)
696{
697 uint32 winctrl0, winctrl1, winenable, fb_offset = 0;
698 int xsz, ysz;
699
700 /* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */
701
702 winctrl0 = lcd->window[plane].winctrl0;
703 winctrl1 = lcd->window[plane].winctrl1;
704 winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN);
705 winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY);
706
707 /* Check for off-screen adjustments */
708 xsz = win->w[plane].xres;
709 ysz = win->w[plane].yres;
710 if ((xpos + win->w[plane].xres) > panel->Xres) {
711 /* Off-screen to the right */
712 xsz = panel->Xres - xpos; /* off by 1 ??? */
713 /*printk("off screen right\n");*/
714 }
715
716 if ((ypos + win->w[plane].yres) > panel->Yres) {
717 /* Off-screen to the bottom */
718 ysz = panel->Yres - ypos; /* off by 1 ??? */
719 /*printk("off screen bottom\n");*/
720 }
721
722 if (xpos < 0) {
723 /* Off-screen to the left */
724 xsz = win->w[plane].xres + xpos;
725 fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8);
726 xpos = 0;
727 /*printk("off screen left\n");*/
728 }
729
730 if (ypos < 0) {
731 /* Off-screen to the top */
732 ysz = win->w[plane].yres + ypos;
733 /* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */
734 ypos = 0;
735 /*printk("off screen top\n");*/
736 }
737
738 /* record settings */
739 win->w[plane].xpos = xpos;
740 win->w[plane].ypos = ypos;
741
742 xsz -= 1;
743 ysz -= 1;
744 winctrl0 |= (xpos << 21);
745 winctrl0 |= (ypos << 10);
746 winctrl1 |= (xsz << 11);
747 winctrl1 |= (ysz << 0);
748
749 /* Disable the window while making changes, then restore WINEN */
750 winenable = lcd->winenable & (1 << plane);
751 au_sync();
752 lcd->winenable &= ~(1 << plane);
753 lcd->window[plane].winctrl0 = winctrl0;
754 lcd->window[plane].winctrl1 = winctrl1;
755 lcd->window[plane].winbuf0 =
756 lcd->window[plane].winbuf1 = fbdev->fb_phys;
757 lcd->window[plane].winbufctrl = 0; /* select winbuf0 */
758 lcd->winenable |= winenable;
759 au_sync();
760
761 return 0;
762}
763
764static void au1200_setpanel (struct panel_settings *newpanel)
765{
766 /*
767 * Perform global setup/init of LCD controller
768 */
769 uint32 winenable;
770
771 /* Make sure all windows disabled */
772 winenable = lcd->winenable;
773 lcd->winenable = 0;
774 au_sync();
775 /*
776 * Ensure everything is disabled before reconfiguring
777 */
778 if (lcd->screen & LCD_SCREEN_SEN) {
779 /* Wait for vertical sync period */
780 lcd->intstatus = LCD_INT_SS;
781 while ((lcd->intstatus & LCD_INT_SS) == 0) {
782 au_sync();
783 }
784
785 lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/
786
787 do {
788 lcd->intstatus = lcd->intstatus; /*clear interrupts*/
789 au_sync();
790 /*wait for controller to shut down*/
791 } while ((lcd->intstatus & LCD_INT_SD) == 0);
792
793 /* Call shutdown of current panel (if up) */
794 /* this must occur last, because if an external clock is driving
795 the controller, the clock cannot be turned off before first
796 shutting down the controller.
797 */
798 if (panel->device_shutdown != NULL)
799 panel->device_shutdown();
800 }
801
802 /* Newpanel == NULL indicates a shutdown operation only */
803 if (newpanel == NULL)
804 return;
805
806 panel = newpanel;
807
808 printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres);
809
810 /*
811 * Setup clocking if internal LCD clock source (assumes sys_auxpll valid)
812 */
813 if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT))
814 {
815 uint32 sys_clksrc;
816 au_writel(panel->mode_auxpll, SYS_AUXPLL);
817 sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f;
818 sys_clksrc |= panel->mode_toyclksrc;
819 au_writel(sys_clksrc, SYS_CLKSRC);
820 }
821
822 /*
823 * Configure panel timings
824 */
825 lcd->screen = panel->mode_screen;
826 lcd->horztiming = panel->mode_horztiming;
827 lcd->verttiming = panel->mode_verttiming;
828 lcd->clkcontrol = panel->mode_clkcontrol;
829 lcd->pwmdiv = panel->mode_pwmdiv;
830 lcd->pwmhi = panel->mode_pwmhi;
831 lcd->outmask = panel->mode_outmask;
832 lcd->fifoctrl = panel->mode_fifoctrl;
833 au_sync();
834
835 /* fixme: Check window settings to make sure still valid
836 * for new geometry */
837#if 0
838 au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos);
839 au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos);
840 au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos);
841 au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos);
842#endif
843 lcd->winenable = winenable;
844
845 /*
846 * Re-enable screen now that it is configured
847 */
848 lcd->screen |= LCD_SCREEN_SEN;
849 au_sync();
850
851 /* Call init of panel */
852 if (panel->device_init != NULL) panel->device_init();
853
854 /* FIX!!!! not appropriate on panel change!!! Global setup/init */
855 lcd->intenable = 0;
856 lcd->intstatus = ~0;
857 lcd->backcolor = win->mode_backcolor;
858
859 /* Setup Color Key - FIX!!! */
860 lcd->colorkey = win->mode_colorkey;
861 lcd->colorkeymsk = win->mode_colorkeymsk;
862
863 /* Setup HWCursor - FIX!!! Need to support this eventually */
864 lcd->hwc.cursorctrl = 0;
865 lcd->hwc.cursorpos = 0;
866 lcd->hwc.cursorcolor0 = 0;
867 lcd->hwc.cursorcolor1 = 0;
868 lcd->hwc.cursorcolor2 = 0;
869 lcd->hwc.cursorcolor3 = 0;
870
871
872#if 0
873#define D(X) printk("%25s: %08X\n", #X, X)
874 D(lcd->screen);
875 D(lcd->horztiming);
876 D(lcd->verttiming);
877 D(lcd->clkcontrol);
878 D(lcd->pwmdiv);
879 D(lcd->pwmhi);
880 D(lcd->outmask);
881 D(lcd->fifoctrl);
882 D(lcd->window[0].winctrl0);
883 D(lcd->window[0].winctrl1);
884 D(lcd->window[0].winctrl2);
885 D(lcd->window[0].winbuf0);
886 D(lcd->window[0].winbuf1);
887 D(lcd->window[0].winbufctrl);
888 D(lcd->window[1].winctrl0);
889 D(lcd->window[1].winctrl1);
890 D(lcd->window[1].winctrl2);
891 D(lcd->window[1].winbuf0);
892 D(lcd->window[1].winbuf1);
893 D(lcd->window[1].winbufctrl);
894 D(lcd->window[2].winctrl0);
895 D(lcd->window[2].winctrl1);
896 D(lcd->window[2].winctrl2);
897 D(lcd->window[2].winbuf0);
898 D(lcd->window[2].winbuf1);
899 D(lcd->window[2].winbufctrl);
900 D(lcd->window[3].winctrl0);
901 D(lcd->window[3].winctrl1);
902 D(lcd->window[3].winctrl2);
903 D(lcd->window[3].winbuf0);
904 D(lcd->window[3].winbuf1);
905 D(lcd->window[3].winbufctrl);
906 D(lcd->winenable);
907 D(lcd->intenable);
908 D(lcd->intstatus);
909 D(lcd->backcolor);
910 D(lcd->winenable);
911 D(lcd->colorkey);
912 D(lcd->colorkeymsk);
913 D(lcd->hwc.cursorctrl);
914 D(lcd->hwc.cursorpos);
915 D(lcd->hwc.cursorcolor0);
916 D(lcd->hwc.cursorcolor1);
917 D(lcd->hwc.cursorcolor2);
918 D(lcd->hwc.cursorcolor3);
919#endif
920}
921
922static void au1200_setmode(struct au1200fb_device *fbdev)
923{
924 int plane = fbdev->plane;
925 /* Window/plane setup */
926 lcd->window[plane].winctrl1 = ( 0
927 | LCD_WINCTRL1_PRI_N(plane)
928 | win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */
929 ) ;
930
931 au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos);
932
933 lcd->window[plane].winctrl2 = ( 0
934 | LCD_WINCTRL2_CKMODE_00
935 | LCD_WINCTRL2_DBM
c329f606 936 | LCD_WINCTRL2_BX_N(fbdev->fb_info->fix.line_length)
f95ec3c6
RB		 937 | LCD_WINCTRL2_SCX_1
938 | LCD_WINCTRL2_SCY_1
939 ) ;
940 lcd->winenable |= win->w[plane].mode_winenable;
941 au_sync();
942}
943
944
945/* Inline helpers */
946
947/*#define panel_is_dual(panel) ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/
948/*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/
949
950#define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN)
951
952/* Bitfields format supported by the controller. */
953static struct fb_bitfield rgb_bitfields[][4] = {
954 /* Red, Green, Blue, Transp */
955 [LCD_WINCTRL1_FRM_16BPP655 >> 25] =
956 { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
957
958 [LCD_WINCTRL1_FRM_16BPP565 >> 25] =
959 { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
960
961 [LCD_WINCTRL1_FRM_16BPP556 >> 25] =
962 { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } },
963
964 [LCD_WINCTRL1_FRM_16BPPI1555 >> 25] =
965 { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
966
967 [LCD_WINCTRL1_FRM_16BPPI5551 >> 25] =
968 { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } },
969
970 [LCD_WINCTRL1_FRM_16BPPA1555 >> 25] =
971 { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } },
972
973 [LCD_WINCTRL1_FRM_16BPPA5551 >> 25] =
974 { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } },
975
976 [LCD_WINCTRL1_FRM_24BPP >> 25] =
977 { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } },
978
979 [LCD_WINCTRL1_FRM_32BPP >> 25] =
980 { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } },
981};
982
983/*-------------------------------------------------------------------------*/
984
985/* Helpers */
986
987static void au1200fb_update_fbinfo(struct fb_info *fbi)
988{
989 /* FIX!!!! This also needs to take the window pixel format into account!!! */
990
991 /* Update var-dependent FB info */
992 if (panel_is_color(panel)) {
993 if (fbi->var.bits_per_pixel <= 8) {
994 /* palettized */
995 fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR;
996 fbi->fix.line_length = fbi->var.xres_virtual /
997 (8/fbi->var.bits_per_pixel);
998 } else {
999 /* non-palettized */
1000 fbi->fix.visual = FB_VISUAL_TRUECOLOR;
1001 fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8);
1002 }
1003 } else {
1004 /* mono FIX!!! mono 8 and 4 bits */
1005 fbi->fix.visual = FB_VISUAL_MONO10;
1006 fbi->fix.line_length = fbi->var.xres_virtual / 8;
1007 }
1008
1009 fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual;
1010 print_dbg("line length: %d\n", fbi->fix.line_length);
1011 print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel);
1012}
1013
1014/*-------------------------------------------------------------------------*/
1015
1016/* AU1200 framebuffer driver */
1017
1018/* fb_check_var
1019 * Validate var settings with hardware restrictions and modify it if necessary
1020 */
1021static int au1200fb_fb_check_var(struct fb_var_screeninfo *var,
1022 struct fb_info *fbi)
1023{
c329f606 1024 struct au1200fb_device *fbdev = fbi->par;
f95ec3c6
RB		 1025 u32 pixclock;
1026 int screen_size, plane;
1027
1028 plane = fbdev->plane;
1029
1030 /* Make sure that the mode respect all LCD controller and
1031 * panel restrictions. */
1032 var->xres = win->w[plane].xres;
1033 var->yres = win->w[plane].yres;
1034
1035 /* No need for virtual resolution support */
1036 var->xres_virtual = var->xres;
1037 var->yres_virtual = var->yres;
1038
1039 var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1);
1040
1041 screen_size = var->xres_virtual * var->yres_virtual;
1042 if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8);
1043 else screen_size /= (8/var->bits_per_pixel);
1044
1045 if (fbdev->fb_len < screen_size)
1046 return -EINVAL; /* Virtual screen is to big, abort */
1047
1048 /* FIX!!!! what are the implicaitons of ignoring this for windows ??? */
1049 /* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel
1050 * clock can only be obtain by dividing this value by an even integer.
1051 * Fallback to a slower pixel clock if necessary. */
1052 pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin);
732eacc0 1053 pixclock = min3(pixclock, fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2);
f95ec3c6
RB		 1054
1055 if (AU1200_LCD_MAX_CLK % pixclock) {
1056 int diff = AU1200_LCD_MAX_CLK % pixclock;
1057 pixclock -= diff;
1058 }
1059
1060 var->pixclock = KHZ2PICOS(pixclock/1000);
1061#if 0
1062 if (!panel_is_active(panel)) {
1063 int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1;
1064
1065 if (!panel_is_color(panel)
1066 && (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) {
1067 /* STN 8bit mono panel support is up to 6MHz pixclock */
1068 var->pixclock = KHZ2PICOS(6000);
1069 } else if (!pcd) {
1070 /* Other STN panel support is up to 12MHz */
1071 var->pixclock = KHZ2PICOS(12000);
1072 }
1073 }
1074#endif
1075 /* Set bitfield accordingly */
1076 switch (var->bits_per_pixel) {
1077 case 16:
1078 {
1079 /* 16bpp True color.
1080 * These must be set to MATCH WINCTRL[FORM] */
1081 int idx;
1082 idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
1083 var->red = rgb_bitfields[idx][0];
1084 var->green = rgb_bitfields[idx][1];
1085 var->blue = rgb_bitfields[idx][2];
1086 var->transp = rgb_bitfields[idx][3];
1087 break;
1088 }
1089
1090 case 32:
1091 {
1092 /* 32bpp True color.
1093 * These must be set to MATCH WINCTRL[FORM] */
1094 int idx;
1095 idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
1096 var->red = rgb_bitfields[idx][0];
1097 var->green = rgb_bitfields[idx][1];
1098 var->blue = rgb_bitfields[idx][2];
1099 var->transp = rgb_bitfields[idx][3];
1100 break;
1101 }
1102 default:
1103 print_dbg("Unsupported depth %dbpp", var->bits_per_pixel);
1104 return -EINVAL;
1105 }
1106
1107 return 0;
1108}
1109
1110/* fb_set_par
1111 * Set hardware with var settings. This will enable the controller with a
1112 * specific mode, normally validated with the fb_check_var method
1113 */
1114static int au1200fb_fb_set_par(struct fb_info *fbi)
1115{
c329f606 1116 struct au1200fb_device *fbdev = fbi->par;
f95ec3c6
RB		 1117
1118 au1200fb_update_fbinfo(fbi);
1119 au1200_setmode(fbdev);
1120
1121 return 0;
1122}
1123
1124/* fb_setcolreg
1125 * Set color in LCD palette.
1126 */
1127static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green,
1128 unsigned blue, unsigned transp, struct fb_info *fbi)
1129{
1130 volatile u32 *palette = lcd->palette;
1131 u32 value;
1132
1133 if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1))
1134 return -EINVAL;
1135
1136 if (fbi->var.grayscale) {
1137 /* Convert color to grayscale */
1138 red = green = blue =
1139 (19595 * red + 38470 * green + 7471 * blue) >> 16;
1140 }
1141
1142 if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) {
1143 /* Place color in the pseudopalette */
1144 if (regno > 16)
1145 return -EINVAL;
1146
1147 palette = (u32*) fbi->pseudo_palette;
1148
1149 red >>= (16 - fbi->var.red.length);
1150 green >>= (16 - fbi->var.green.length);
1151 blue >>= (16 - fbi->var.blue.length);
1152
1153 value = (red << fbi->var.red.offset) |
1154 (green << fbi->var.green.offset)|
1155 (blue << fbi->var.blue.offset);
1156 value &= 0xFFFF;
1157
1158 } else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) {
1159 /* COLOR TFT PALLETTIZED (use RGB 565) */
1160 value = (red & 0xF800)|((green >> 5) &
1161 0x07E0)|((blue >> 11) & 0x001F);
1162 value &= 0xFFFF;
1163
1164 } else if (0 /*panel_is_color(fbdev->panel)*/) {
1165 /* COLOR STN MODE */
1166 value = 0x1234;
1167 value &= 0xFFF;
1168 } else {
1169 /* MONOCHROME MODE */
1170 value = (green >> 12) & 0x000F;
1171 value &= 0xF;
1172 }
1173
1174 palette[regno] = value;
1175
1176 return 0;
1177}
1178
1179/* fb_blank
1180 * Blank the screen. Depending on the mode, the screen will be
1181 * activated with the backlight color, or desactivated
1182 */
1183static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
1184{
1185 /* Short-circuit screen blanking */
1186 if (noblanking)
1187 return 0;
1188
1189 switch (blank_mode) {
1190
1191 case FB_BLANK_UNBLANK:
1192 case FB_BLANK_NORMAL:
1193 /* printk("turn on panel\n"); */
1194 au1200_setpanel(panel);
1195 break;
1196 case FB_BLANK_VSYNC_SUSPEND:
1197 case FB_BLANK_HSYNC_SUSPEND:
1198 case FB_BLANK_POWERDOWN:
1199 /* printk("turn off panel\n"); */
1200 au1200_setpanel(NULL);
1201 break;
1202 default:
1203 break;
1204
1205 }
1206
1207 /* FB_BLANK_NORMAL is a soft blank */
1208 return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0;
1209}
1210
1211/* fb_mmap
1212 * Map video memory in user space. We don't use the generic fb_mmap
1213 * method mainly to allow the use of the TLB streaming flag (CCA=6)
1214 */
1215static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
1216
1217{
1218 unsigned int len;
1219 unsigned long start=0, off;
c329f606 1220 struct au1200fb_device *fbdev = info->par;
f95ec3c6 1221
f95ec3c6
RB		 1222 if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
1223 return -EINVAL;
1224 }
1225
1226 start = fbdev->fb_phys & PAGE_MASK;
1227 len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
1228
1229 off = vma->vm_pgoff << PAGE_SHIFT;
1230
1231 if ((vma->vm_end - vma->vm_start + off) > len) {
1232 return -EINVAL;
1233 }
1234
1235 off += start;
1236 vma->vm_pgoff = off >> PAGE_SHIFT;
1237
1238 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
1239 pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */
1240
1241 vma->vm_flags |= VM_IO;
1242
1243 return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
1244 vma->vm_end - vma->vm_start,
1245 vma->vm_page_prot);
1246
1247 return 0;
1248}
1249
1250static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
1251{
1252
1253 unsigned int hi1, divider;
1254
1255 /* SCREEN_SIZE: user cannot reset size, must switch panel choice */
1256
1257 if (pdata->flags & SCREEN_BACKCOLOR)
1258 lcd->backcolor = pdata->backcolor;
1259
1260 if (pdata->flags & SCREEN_BRIGHTNESS) {
1261
1262 // limit brightness pwm duty to >= 30/1600
1263 if (pdata->brightness < 30) {
1264 pdata->brightness = 30;
1265 }
1266 divider = (lcd->pwmdiv & 0x3FFFF) + 1;
1267 hi1 = (lcd->pwmhi >> 16) + 1;
1268 hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8);
1269 lcd->pwmhi &= 0xFFFF;
1270 lcd->pwmhi |= (hi1 << 16);
1271 }
1272
1273 if (pdata->flags & SCREEN_COLORKEY)
1274 lcd->colorkey = pdata->colorkey;
1275
1276 if (pdata->flags & SCREEN_MASK)
1277 lcd->colorkeymsk = pdata->mask;
1278 au_sync();
1279}
1280
1281static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
1282{
1283 unsigned int hi1, divider;
1284
1285 pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1;
1286 pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1;
1287
1288 pdata->backcolor = lcd->backcolor;
1289 pdata->colorkey = lcd->colorkey;
1290 pdata->mask = lcd->colorkeymsk;
1291
1292 // brightness
1293 hi1 = (lcd->pwmhi >> 16) + 1;
1294 divider = (lcd->pwmdiv & 0x3FFFF) + 1;
1295 pdata->brightness = ((hi1 << 8) / divider) - 1;
1296 au_sync();
1297}
1298
1299static void set_window(unsigned int plane,
1300 struct au1200_lcd_window_regs_t *pdata)
1301{
1302 unsigned int val, bpp;
1303
1304 /* Window control register 0 */
1305 if (pdata->flags & WIN_POSITION) {
1306 val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX |
1307 LCD_WINCTRL0_OY);
1308 val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX);
1309 val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY);
1310 lcd->window[plane].winctrl0 = val;
1311 }
1312 if (pdata->flags & WIN_ALPHA_COLOR) {
1313 val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A);
1314 val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A);
1315 lcd->window[plane].winctrl0 = val;
1316 }
1317 if (pdata->flags & WIN_ALPHA_MODE) {
1318 val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN);
1319 val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN);
1320 lcd->window[plane].winctrl0 = val;
1321 }
1322
1323 /* Window control register 1 */
1324 if (pdata->flags & WIN_PRIORITY) {
1325 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI);
1326 val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI);
1327 lcd->window[plane].winctrl1 = val;
1328 }
1329 if (pdata->flags & WIN_CHANNEL) {
1330 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE);
1331 val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE);
1332 lcd->window[plane].winctrl1 = val;
1333 }
1334 if (pdata->flags & WIN_BUFFER_FORMAT) {
1335 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM);
1336 val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM);
1337 lcd->window[plane].winctrl1 = val;
1338 }
1339 if (pdata->flags & WIN_COLOR_ORDER) {
1340 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO);
1341 val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO);
1342 lcd->window[plane].winctrl1 = val;
1343 }
1344 if (pdata->flags & WIN_PIXEL_ORDER) {
1345 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO);
1346 val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO);
1347 lcd->window[plane].winctrl1 = val;
1348 }
1349 if (pdata->flags & WIN_SIZE) {
1350 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX |
1351 LCD_WINCTRL1_SZY);
1352 val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX);
1353 val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY);
1354 lcd->window[plane].winctrl1 = val;
1355 /* program buffer line width */
1356 bpp = winbpp(val) / 8;
1357 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX);
1358 val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX);
1359 lcd->window[plane].winctrl2 = val;
1360 }
1361
1362 /* Window control register 2 */
1363 if (pdata->flags & WIN_COLORKEY_MODE) {
1364 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE);
1365 val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE);
1366 lcd->window[plane].winctrl2 = val;
1367 }
1368 if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) {
1369 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM);
1370 val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM);
1371 lcd->window[plane].winctrl2 = val;
1372 }
1373 if (pdata->flags & WIN_RAM_ARRAY_MODE) {
1374 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM);
1375 val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM);
1376 lcd->window[plane].winctrl2 = val;
1377 }
1378
1379 /* Buffer line width programmed with WIN_SIZE */
1380
1381 if (pdata->flags & WIN_BUFFER_SCALE) {
1382 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX |
1383 LCD_WINCTRL2_SCY);
1384 val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX);
1385 val |= ((pdata->ysize) & LCD_WINCTRL2_SCY);
1386 lcd->window[plane].winctrl2 = val;
1387 }
1388
1389 if (pdata->flags & WIN_ENABLE) {
1390 val = lcd->winenable;
1391 val &= ~(1<<plane);
1392 val |= (pdata->enable & 1) << plane;
1393 lcd->winenable = val;
1394 }
1395 au_sync();
1396}
1397
1398static void get_window(unsigned int plane,
1399 struct au1200_lcd_window_regs_t *pdata)
1400{
1401 /* Window control register 0 */
1402 pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21;
1403 pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10;
1404 pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2;
1405 pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1;
1406
1407 /* Window control register 1 */
1408 pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30;
1409 pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29;
1410 pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25;
1411 pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24;
1412 pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22;
1413 pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1;
1414 pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1;
1415
1416 /* Window control register 2 */
1417 pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24;
1418 pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23;
1419 pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21;
1420
1421 pdata->enable = (lcd->winenable >> plane) & 1;
1422 au_sync();
1423}
1424
1425static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd,
1426 unsigned long arg)
1427{
1428 int plane;
1429 int val;
1430
f95ec3c6
RB		 1431 plane = fbinfo2index(info);
1432 print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane);
1433
1434 if (cmd == AU1200_LCD_FB_IOCTL) {
1435 struct au1200_lcd_iodata_t iodata;
1436
1437 if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata)))
1438 return -EFAULT;
1439
1440 print_dbg("FB IOCTL called\n");
1441
1442 switch (iodata.subcmd) {
1443 case AU1200_LCD_SET_SCREEN:
1444 print_dbg("AU1200_LCD_SET_SCREEN\n");
1445 set_global(cmd, &iodata.global);
1446 break;
1447
1448 case AU1200_LCD_GET_SCREEN:
1449 print_dbg("AU1200_LCD_GET_SCREEN\n");
1450 get_global(cmd, &iodata.global);
1451 break;
1452
1453 case AU1200_LCD_SET_WINDOW:
1454 print_dbg("AU1200_LCD_SET_WINDOW\n");
1455 set_window(plane, &iodata.window);
1456 break;
1457
1458 case AU1200_LCD_GET_WINDOW:
1459 print_dbg("AU1200_LCD_GET_WINDOW\n");
1460 get_window(plane, &iodata.window);
1461 break;
1462
1463 case AU1200_LCD_SET_PANEL:
1464 print_dbg("AU1200_LCD_SET_PANEL\n");
1465 if ((iodata.global.panel_choice >= 0) &&
1466 (iodata.global.panel_choice <
1467 NUM_PANELS))
1468 {
1469 struct panel_settings *newpanel;
1470 panel_index = iodata.global.panel_choice;
1471 newpanel = &known_lcd_panels[panel_index];
1472 au1200_setpanel(newpanel);
1473 }
1474 break;
1475
1476 case AU1200_LCD_GET_PANEL:
1477 print_dbg("AU1200_LCD_GET_PANEL\n");
1478 iodata.global.panel_choice = panel_index;
1479 break;
1480
1481 default:
1482 return -EINVAL;
1483 }
1484
1485 val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata));
1486 if (val) {
1487 print_dbg("error: could not copy %d bytes\n", val);
1488 return -EFAULT;
1489 }
1490 }
1491
1492 return 0;
1493}
1494
1495
1496static struct fb_ops au1200fb_fb_ops = {
1497 .owner = THIS_MODULE,
1498 .fb_check_var = au1200fb_fb_check_var,
1499 .fb_set_par = au1200fb_fb_set_par,
1500 .fb_setcolreg = au1200fb_fb_setcolreg,
1501 .fb_blank = au1200fb_fb_blank,
1502 .fb_fillrect = cfb_fillrect,
1503 .fb_copyarea = cfb_copyarea,
1504 .fb_imageblit = cfb_imageblit,
1505 .fb_sync = NULL,
1506 .fb_ioctl = au1200fb_ioctl,
1507 .fb_mmap = au1200fb_fb_mmap,
1508};
1509
1510/*-------------------------------------------------------------------------*/
1511
7d12e780 1512static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id)
f95ec3c6
RB		 1513{
1514 /* Nothing to do for now, just clear any pending interrupt */
1515 lcd->intstatus = lcd->intstatus;
1516 au_sync();
1517
1518 return IRQ_HANDLED;
1519}
1520
1521/*-------------------------------------------------------------------------*/
1522
1523/* AU1200 LCD device probe helpers */
1524
1525static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
1526{
c329f606 1527 struct fb_info *fbi = fbdev->fb_info;
f95ec3c6
RB		 1528 int bpp;
1529
f95ec3c6
RB		 1530 fbi->fbops = &au1200fb_fb_ops;
1531
1532 bpp = winbpp(win->w[fbdev->plane].mode_winctrl1);
1533
1534 /* Copy monitor specs from panel data */
1535 /* fixme: we're setting up LCD controller windows, so these dont give a
1536 damn as to what the monitor specs are (the panel itself does, but that
25985edc 1537 isn't done here...so maybe need a generic catchall monitor setting??? */
f95ec3c6
RB		 1538 memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs));
1539
1540 /* We first try the user mode passed in argument. If that failed,
1541 * or if no one has been specified, we default to the first mode of the
1542 * panel list. Note that after this call, var data will be set */
1543 if (!fb_find_mode(&fbi->var,
1544 fbi,
1545 NULL, /* drv_info.opt_mode, */
1546 fbi->monspecs.modedb,
1547 fbi->monspecs.modedb_len,
1548 fbi->monspecs.modedb,
1549 bpp)) {
1550
1551 print_err("Cannot find valid mode for panel %s", panel->name);
1552 return -EFAULT;
1553 }
1554
dd00cc48 1555 fbi->pseudo_palette = kcalloc(16, sizeof(u32), GFP_KERNEL);
f95ec3c6
RB		 1556 if (!fbi->pseudo_palette) {
1557 return -ENOMEM;
1558 }
f95ec3c6
RB		 1559
1560 if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
1561 print_err("Fail to allocate colormap (%d entries)",
1562 AU1200_LCD_NBR_PALETTE_ENTRIES);
1563 kfree(fbi->pseudo_palette);
1564 return -EFAULT;
1565 }
1566
1567 strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id));
1568 fbi->fix.smem_start = fbdev->fb_phys;
1569 fbi->fix.smem_len = fbdev->fb_len;
1570 fbi->fix.type = FB_TYPE_PACKED_PIXELS;
1571 fbi->fix.xpanstep = 0;
1572 fbi->fix.ypanstep = 0;
1573 fbi->fix.mmio_start = 0;
1574 fbi->fix.mmio_len = 0;
1575 fbi->fix.accel = FB_ACCEL_NONE;
1576
1577 fbi->screen_base = (char __iomem *) fbdev->fb_mem;
1578
1579 au1200fb_update_fbinfo(fbi);
1580
1581 return 0;
1582}
1583
1584/*-------------------------------------------------------------------------*/
1585
1586/* AU1200 LCD controller device driver */
1587
98707fcc 1588static int __devinit au1200fb_drv_probe(struct platform_device *dev)
f95ec3c6
RB		 1589{
1590 struct au1200fb_device *fbdev;
c329f606 1591 struct fb_info *fbi = NULL;
f95ec3c6
RB		 1592 unsigned long page;
1593 int bpp, plane, ret;
1594
c329f606
ML		 1595 /* shut gcc up */
1596 ret = 0;
1597 fbdev = NULL;
f95ec3c6 1598
98707fcc
ML		 1599 /* Kickstart the panel */
1600 au1200_setpanel(panel);
1601
f95ec3c6
RB		 1602 for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) {
1603 bpp = winbpp(win->w[plane].mode_winctrl1);
1604 if (win->w[plane].xres == 0)
1605 win->w[plane].xres = panel->Xres;
1606 if (win->w[plane].yres == 0)
1607 win->w[plane].yres = panel->Yres;
1608
c329f606
ML		 1609 fbi = framebuffer_alloc(sizeof(struct au1200fb_device),
1610 &dev->dev);
1611 if (!fbi)
1612 goto failed;
1613
1614 _au1200fb_infos[plane] = fbi;
1615 fbdev = fbi->par;
1616 fbdev->fb_info = fbi;
1617
f95ec3c6
RB		 1618 fbdev->plane = plane;
1619
1620 /* Allocate the framebuffer to the maximum screen size */
1621 fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8;
1622
7a192ec3 1623 fbdev->fb_mem = dma_alloc_noncoherent(&dev->dev,
f95ec3c6
RB		 1624 PAGE_ALIGN(fbdev->fb_len),
1625 &fbdev->fb_phys, GFP_KERNEL);
1626 if (!fbdev->fb_mem) {
1627 print_err("fail to allocate frambuffer (size: %dK))",
1628 fbdev->fb_len / 1024);
1629 return -ENOMEM;
1630 }
1631
1632 /*
1633 * Set page reserved so that mmap will work. This is necessary
1634 * since we'll be remapping normal memory.
1635 */
1636 for (page = (unsigned long)fbdev->fb_phys;
1637 page < PAGE_ALIGN((unsigned long)fbdev->fb_phys +
1638 fbdev->fb_len);
1639 page += PAGE_SIZE) {
1640 SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */
1641 }
1642 print_dbg("Framebuffer memory map at %p", fbdev->fb_mem);
1643 print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024);
1644
1645 /* Init FB data */
1646 if ((ret = au1200fb_init_fbinfo(fbdev)) < 0)
1647 goto failed;
1648
1649 /* Register new framebuffer */
c329f606
ML		 1650 ret = register_framebuffer(fbi);
1651 if (ret < 0) {
f95ec3c6
RB		 1652 print_err("cannot register new framebuffer");
1653 goto failed;
1654 }
1655
c329f606 1656 au1200fb_fb_set_par(fbi);
f95ec3c6
RB		 1657
1658#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
1659 if (plane == 0)
c329f606 1660 if (fb_prepare_logo(fbi, FB_ROTATE_UR)) {
f95ec3c6 1661 /* Start display and show logo on boot */
c329f606
ML		 1662 fb_set_cmap(&fbi->cmap, fbi);
1663 fb_show_logo(fbi, FB_ROTATE_UR);
f95ec3c6
RB		 1664 }
1665#endif
1666 }
1667
1668 /* Now hook interrupt too */
1669 if ((ret = request_irq(AU1200_LCD_INT, au1200fb_handle_irq,
63a43399 1670 IRQF_DISABLED | IRQF_SHARED, "lcd", (void *)dev)) < 0) {
f95ec3c6
RB		 1671 print_err("fail to request interrupt line %d (err: %d)",
1672 AU1200_LCD_INT, ret);
1673 goto failed;
1674 }
1675
1676 return 0;
1677
1678failed:
1679 /* NOTE: This only does the current plane/window that failed; others are still active */
1680 if (fbdev->fb_mem)
c329f606 1681 dma_free_noncoherent(&dev->dev, PAGE_ALIGN(fbdev->fb_len),
f95ec3c6 1682 fbdev->fb_mem, fbdev->fb_phys);
c329f606
ML		 1683 if (fbi) {
1684 if (fbi->cmap.len != 0)
1685 fb_dealloc_cmap(&fbi->cmap);
1686 kfree(fbi->pseudo_palette);
1687 }
f95ec3c6
RB		 1688 if (plane == 0)
1689 free_irq(AU1200_LCD_INT, (void*)dev);
1690 return ret;
1691}
1692
98707fcc 1693static int __devexit au1200fb_drv_remove(struct platform_device *dev)
f95ec3c6
RB		 1694{
1695 struct au1200fb_device *fbdev;
c329f606 1696 struct fb_info *fbi;
f95ec3c6
RB		 1697 int plane;
1698
f95ec3c6
RB		 1699 /* Turn off the panel */
1700 au1200_setpanel(NULL);
1701
c329f606
ML		 1702 for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) {
1703 fbi = _au1200fb_infos[plane];
1704 fbdev = fbi->par;
f95ec3c6
RB		 1705
1706 /* Clean up all probe data */
c329f606 1707 unregister_framebuffer(fbi);
f95ec3c6 1708 if (fbdev->fb_mem)
7a192ec3
ML		 1709 dma_free_noncoherent(&dev->dev,
1710 PAGE_ALIGN(fbdev->fb_len),
f95ec3c6 1711 fbdev->fb_mem, fbdev->fb_phys);
c329f606
ML		 1712 if (fbi->cmap.len != 0)
1713 fb_dealloc_cmap(&fbi->cmap);
1714 kfree(fbi->pseudo_palette);
1715
1716 framebuffer_release(fbi);
1717 _au1200fb_infos[plane] = NULL;
f95ec3c6
RB		 1718 }
1719
1720 free_irq(AU1200_LCD_INT, (void *)dev);
1721
1722 return 0;
1723}
1724
1725#ifdef CONFIG_PM
98707fcc 1726static int au1200fb_drv_suspend(struct device *dev)
f95ec3c6 1727{
98707fcc
ML		 1728 au1200_setpanel(NULL);
1729
1730 lcd->outmask = 0;
1731 au_sync();
1732
f95ec3c6
RB		 1733 return 0;
1734}
1735
98707fcc 1736static int au1200fb_drv_resume(struct device *dev)
f95ec3c6 1737{
98707fcc
ML		 1738 struct fb_info *fbi;
1739 int i;
1740
1741 /* Kickstart the panel */
1742 au1200_setpanel(panel);
1743
1744 for (i = 0; i < CONFIG_FB_AU1200_DEVS; i++) {
1745 fbi = _au1200fb_infos[i];
1746 au1200fb_fb_set_par(fbi);
1747 }
1748
f95ec3c6
RB		 1749 return 0;
1750}
98707fcc
ML		 1751
1752static const struct dev_pm_ops au1200fb_pmops = {
1753 .suspend = au1200fb_drv_suspend,
1754 .resume = au1200fb_drv_resume,
1755 .freeze = au1200fb_drv_suspend,
1756 .thaw = au1200fb_drv_resume,
1757};
1758
1759#define AU1200FB_PMOPS (&au1200fb_pmops)
1760
1761#else
1762#define AU1200FB_PMOPS NULL
f95ec3c6
RB		 1763#endif /* CONFIG_PM */
1764
7a192ec3
ML		 1765static struct platform_driver au1200fb_driver = {
1766 .driver = {
98707fcc
ML		 1767 .name = "au1200-lcd",
1768 .owner = THIS_MODULE,
1769 .pm = AU1200FB_PMOPS,
7a192ec3 1770 },
f95ec3c6 1771 .probe = au1200fb_drv_probe,
98707fcc 1772 .remove = __devexit_p(au1200fb_drv_remove),
f95ec3c6
RB		 1773};
1774
1775/*-------------------------------------------------------------------------*/
1776
1777/* Kernel driver */
1778
1779static void au1200fb_setup(void)
1780{
1781 char* options = NULL;
1782 char* this_opt;
1783 int num_panels = ARRAY_SIZE(known_lcd_panels);
1784 int panel_idx = -1;
1785
1786 fb_get_options(DRIVER_NAME, &options);
1787
1788 if (options) {
1789 while ((this_opt = strsep(&options,",")) != NULL) {
1790 /* Panel option - can be panel name,
1791 * "bs" for board-switch, or number/index */
1792 if (!strncmp(this_opt, "panel:", 6)) {
1793 int i;
1794 long int li;
1795 char *endptr;
1796 this_opt += 6;
1797 /* First check for index, which allows
1798 * to short circuit this mess */
1799 li = simple_strtol(this_opt, &endptr, 0);
1800 if (*endptr == '\0') {
1801 panel_idx = (int)li;
1802 }
1803 else if (strcmp(this_opt, "bs") == 0) {
1804 extern int board_au1200fb_panel(void);
1805 panel_idx = board_au1200fb_panel();
1806 }
1807
1808 else
1809 for (i = 0; i < num_panels; i++) {
1810 if (!strcmp(this_opt, known_lcd_panels[i].name)) {
1811 panel_idx = i;
1812 break;
1813 }
1814 }
1815
1816 if ((panel_idx < 0) || (panel_idx >= num_panels)) {
1817 print_warn("Panel %s not supported!", this_opt);
1818 }
1819 else
1820 panel_index = panel_idx;
1821 }
1822
1823 else if (strncmp(this_opt, "nohwcursor", 10) == 0) {
1824 nohwcursor = 1;
1825 }
1826
1827 /* Unsupported option */
1828 else {
1829 print_warn("Unsupported option \"%s\"", this_opt);
1830 }
1831 }
1832 }
1833}
1834
f95ec3c6
RB		 1835static int __init au1200fb_init(void)
1836{
1837 print_info("" DRIVER_DESC "");
1838
1839 /* Setup driver with options */
1840 au1200fb_setup();
1841
1842 /* Point to the panel selected */
1843 panel = &known_lcd_panels[panel_index];
1844 win = &windows[window_index];
1845
1846 printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name);
1847 printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name);
1848
7a192ec3 1849 return platform_driver_register(&au1200fb_driver);
f95ec3c6
RB		 1850}
1851
1852static void __exit au1200fb_cleanup(void)
1853{
7a192ec3 1854 platform_driver_unregister(&au1200fb_driver);
f95ec3c6
RB		 1855}
1856
1857module_init(au1200fb_init);
1858module_exit(au1200fb_cleanup);
1859
1860MODULE_DESCRIPTION(DRIVER_DESC);
1861MODULE_LICENSE("GPL");
kernel source for telekom puls (alcatel/mediatek)