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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> | |
44 | ||
45 | #include <asm/mach-au1x00/au1000.h> | |
46 | #include "au1200fb.h" | |
47 | ||
48 | #ifdef CONFIG_PM | |
49 | #include <asm/mach-au1x00/au1xxx_pm.h> | |
50 | #endif | |
51 | ||
52 | #ifndef CONFIG_FB_AU1200_DEVS | |
53 | #define CONFIG_FB_AU1200_DEVS 4 | |
54 | #endif | |
55 | ||
56 | #define DRIVER_NAME "au1200fb" | |
57 | #define DRIVER_DESC "LCD controller driver for AU1200 processors" | |
58 | ||
59 | #define DEBUG 1 | |
60 | ||
61 | #define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg) | |
62 | #define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg) | |
63 | #define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg) | |
64 | ||
65 | #if DEBUG | |
66 | #define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg) | |
67 | #else | |
68 | #define print_dbg(f, arg...) do {} while (0) | |
69 | #endif | |
70 | ||
71 | ||
72 | #define AU1200_LCD_FB_IOCTL 0x46FF | |
73 | ||
74 | #define AU1200_LCD_SET_SCREEN 1 | |
75 | #define AU1200_LCD_GET_SCREEN 2 | |
76 | #define AU1200_LCD_SET_WINDOW 3 | |
77 | #define AU1200_LCD_GET_WINDOW 4 | |
78 | #define AU1200_LCD_SET_PANEL 5 | |
79 | #define AU1200_LCD_GET_PANEL 6 | |
80 | ||
81 | #define SCREEN_SIZE (1<< 1) | |
82 | #define SCREEN_BACKCOLOR (1<< 2) | |
83 | #define SCREEN_BRIGHTNESS (1<< 3) | |
84 | #define SCREEN_COLORKEY (1<< 4) | |
85 | #define SCREEN_MASK (1<< 5) | |
86 | ||
87 | struct au1200_lcd_global_regs_t { | |
88 | unsigned int flags; | |
89 | unsigned int xsize; | |
90 | unsigned int ysize; | |
91 | unsigned int backcolor; | |
92 | unsigned int brightness; | |
93 | unsigned int colorkey; | |
94 | unsigned int mask; | |
95 | unsigned int panel_choice; | |
96 | char panel_desc[80]; | |
97 | ||
98 | }; | |
99 | ||
100 | #define WIN_POSITION (1<< 0) | |
101 | #define WIN_ALPHA_COLOR (1<< 1) | |
102 | #define WIN_ALPHA_MODE (1<< 2) | |
103 | #define WIN_PRIORITY (1<< 3) | |
104 | #define WIN_CHANNEL (1<< 4) | |
105 | #define WIN_BUFFER_FORMAT (1<< 5) | |
106 | #define WIN_COLOR_ORDER (1<< 6) | |
107 | #define WIN_PIXEL_ORDER (1<< 7) | |
108 | #define WIN_SIZE (1<< 8) | |
109 | #define WIN_COLORKEY_MODE (1<< 9) | |
110 | #define WIN_DOUBLE_BUFFER_MODE (1<< 10) | |
111 | #define WIN_RAM_ARRAY_MODE (1<< 11) | |
112 | #define WIN_BUFFER_SCALE (1<< 12) | |
113 | #define WIN_ENABLE (1<< 13) | |
114 | ||
115 | struct au1200_lcd_window_regs_t { | |
116 | unsigned int flags; | |
117 | unsigned int xpos; | |
118 | unsigned int ypos; | |
119 | unsigned int alpha_color; | |
120 | unsigned int alpha_mode; | |
121 | unsigned int priority; | |
122 | unsigned int channel; | |
123 | unsigned int buffer_format; | |
124 | unsigned int color_order; | |
125 | unsigned int pixel_order; | |
126 | unsigned int xsize; | |
127 | unsigned int ysize; | |
128 | unsigned int colorkey_mode; | |
129 | unsigned int double_buffer_mode; | |
130 | unsigned int ram_array_mode; | |
131 | unsigned int xscale; | |
132 | unsigned int yscale; | |
133 | unsigned int enable; | |
134 | }; | |
135 | ||
136 | ||
137 | struct au1200_lcd_iodata_t { | |
138 | unsigned int subcmd; | |
139 | struct au1200_lcd_global_regs_t global; | |
140 | struct au1200_lcd_window_regs_t window; | |
141 | }; | |
142 | ||
143 | #if defined(__BIG_ENDIAN) | |
144 | #define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11 | |
145 | #else | |
146 | #define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00 | |
147 | #endif | |
148 | #define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565 | |
149 | ||
150 | /* Private, per-framebuffer management information (independent of the panel itself) */ | |
151 | struct au1200fb_device { | |
152 | struct fb_info fb_info; /* FB driver info record */ | |
153 | ||
154 | int plane; | |
155 | unsigned char* fb_mem; /* FrameBuffer memory map */ | |
156 | unsigned int fb_len; | |
157 | dma_addr_t fb_phys; | |
158 | }; | |
159 | ||
160 | static struct au1200fb_device _au1200fb_devices[CONFIG_FB_AU1200_DEVS]; | |
161 | /********************************************************************/ | |
162 | ||
163 | /* LCD controller restrictions */ | |
164 | #define AU1200_LCD_MAX_XRES 1280 | |
165 | #define AU1200_LCD_MAX_YRES 1024 | |
166 | #define AU1200_LCD_MAX_BPP 32 | |
167 | #define AU1200_LCD_MAX_CLK 96000000 /* fixme: this needs to go away ? */ | |
168 | #define AU1200_LCD_NBR_PALETTE_ENTRIES 256 | |
169 | ||
170 | /* Default number of visible screen buffer to allocate */ | |
171 | #define AU1200FB_NBR_VIDEO_BUFFERS 1 | |
172 | ||
173 | /********************************************************************/ | |
174 | ||
175 | static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR; | |
176 | static int window_index = 2; /* default is zero */ | |
177 | static int panel_index = 2; /* default is zero */ | |
178 | static struct window_settings *win; | |
179 | static struct panel_settings *panel; | |
180 | static int noblanking = 1; | |
181 | static int nohwcursor = 0; | |
182 | ||
183 | struct window_settings { | |
184 | unsigned char name[64]; | |
185 | uint32 mode_backcolor; | |
186 | uint32 mode_colorkey; | |
187 | uint32 mode_colorkeymsk; | |
188 | struct { | |
189 | int xres; | |
190 | int yres; | |
191 | int xpos; | |
192 | int ypos; | |
193 | uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */ | |
194 | uint32 mode_winenable; | |
195 | } w[4]; | |
196 | }; | |
197 | ||
198 | #if defined(__BIG_ENDIAN) | |
199 | #define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00 | |
200 | #else | |
201 | #define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01 | |
202 | #endif | |
203 | ||
204 | extern int board_au1200fb_panel_init (void); | |
205 | extern int board_au1200fb_panel_shutdown (void); | |
206 | ||
207 | #ifdef CONFIG_PM | |
208 | int au1200fb_pm_callback(au1xxx_power_dev_t *dev, | |
209 | au1xxx_request_t request, void *data); | |
210 | au1xxx_power_dev_t *LCD_pm_dev; | |
211 | #endif | |
212 | ||
213 | /* | |
214 | * Default window configurations | |
215 | */ | |
216 | static struct window_settings windows[] = { | |
217 | { /* Index 0 */ | |
218 | "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", | |
219 | /* mode_backcolor */ 0x006600ff, | |
220 | /* mode_colorkey,msk*/ 0, 0, | |
221 | { | |
222 | { | |
223 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, | |
224 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | | |
225 | LCD_WINCTRL1_PO_16BPP, | |
226 | /* mode_winenable*/ LCD_WINENABLE_WEN0, | |
227 | }, | |
228 | { | |
229 | /* xres, yres, xpos, ypos */ 100, 100, 100, 100, | |
230 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | | |
231 | LCD_WINCTRL1_PO_16BPP | | |
232 | LCD_WINCTRL1_PIPE, | |
233 | /* mode_winenable*/ LCD_WINENABLE_WEN1, | |
234 | }, | |
235 | { | |
236 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, | |
237 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | | |
238 | LCD_WINCTRL1_PO_16BPP, | |
239 | /* mode_winenable*/ 0, | |
240 | }, | |
241 | { | |
242 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, | |
243 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | | |
244 | LCD_WINCTRL1_PO_16BPP | | |
245 | LCD_WINCTRL1_PIPE, | |
246 | /* mode_winenable*/ 0, | |
247 | }, | |
248 | }, | |
249 | }, | |
250 | ||
251 | { /* Index 1 */ | |
252 | "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", | |
253 | /* mode_backcolor */ 0x006600ff, | |
254 | /* mode_colorkey,msk*/ 0, 0, | |
255 | { | |
256 | { | |
257 | /* xres, yres, xpos, ypos */ 320, 240, 5, 5, | |
258 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP | | |
259 | LCD_WINCTRL1_PO_00, | |
260 | /* mode_winenable*/ LCD_WINENABLE_WEN0, | |
261 | }, | |
262 | { | |
263 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, | |
264 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
265 | | LCD_WINCTRL1_PO_16BPP, | |
266 | /* mode_winenable*/ 0, | |
267 | }, | |
268 | { | |
269 | /* xres, yres, xpos, ypos */ 100, 100, 0, 0, | |
270 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | | |
271 | LCD_WINCTRL1_PO_16BPP | | |
272 | LCD_WINCTRL1_PIPE, | |
273 | /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, | |
274 | }, | |
275 | { | |
276 | /* xres, yres, xpos, ypos */ 200, 25, 0, 0, | |
277 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | | |
278 | LCD_WINCTRL1_PO_16BPP | | |
279 | LCD_WINCTRL1_PIPE, | |
280 | /* mode_winenable*/ 0, | |
281 | }, | |
282 | }, | |
283 | }, | |
284 | { /* Index 2 */ | |
285 | "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", | |
286 | /* mode_backcolor */ 0x006600ff, | |
287 | /* mode_colorkey,msk*/ 0, 0, | |
288 | { | |
289 | { | |
290 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, | |
291 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | | |
292 | LCD_WINCTRL1_PO_16BPP, | |
293 | /* mode_winenable*/ LCD_WINENABLE_WEN0, | |
294 | }, | |
295 | { | |
296 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, | |
297 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | | |
298 | LCD_WINCTRL1_PO_16BPP, | |
299 | /* mode_winenable*/ 0, | |
300 | }, | |
301 | { | |
302 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, | |
303 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP | | |
304 | LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE, | |
305 | /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, | |
306 | }, | |
307 | { | |
308 | /* xres, yres, xpos, ypos */ 0, 0, 0, 0, | |
309 | /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | | |
310 | LCD_WINCTRL1_PO_16BPP | | |
311 | LCD_WINCTRL1_PIPE, | |
312 | /* mode_winenable*/ 0, | |
313 | }, | |
314 | }, | |
315 | }, | |
316 | /* Need VGA 640 @ 24bpp, @ 32bpp */ | |
317 | /* Need VGA 800 @ 24bpp, @ 32bpp */ | |
318 | /* Need VGA 1024 @ 24bpp, @ 32bpp */ | |
319 | }; | |
320 | ||
321 | /* | |
322 | * Controller configurations for various panels. | |
323 | */ | |
324 | ||
325 | struct panel_settings | |
326 | { | |
327 | const char name[25]; /* Full name <vendor>_<model> */ | |
328 | ||
329 | struct fb_monspecs monspecs; /* FB monitor specs */ | |
330 | ||
331 | /* panel timings */ | |
332 | uint32 mode_screen; | |
333 | uint32 mode_horztiming; | |
334 | uint32 mode_verttiming; | |
335 | uint32 mode_clkcontrol; | |
336 | uint32 mode_pwmdiv; | |
337 | uint32 mode_pwmhi; | |
338 | uint32 mode_outmask; | |
339 | uint32 mode_fifoctrl; | |
340 | uint32 mode_toyclksrc; | |
341 | uint32 mode_backlight; | |
342 | uint32 mode_auxpll; | |
343 | int (*device_init)(void); | |
344 | int (*device_shutdown)(void); | |
345 | #define Xres min_xres | |
346 | #define Yres min_yres | |
347 | u32 min_xres; /* Minimum horizontal resolution */ | |
348 | u32 max_xres; /* Maximum horizontal resolution */ | |
349 | u32 min_yres; /* Minimum vertical resolution */ | |
350 | u32 max_yres; /* Maximum vertical resolution */ | |
351 | }; | |
352 | ||
353 | /********************************************************************/ | |
354 | /* fixme: Maybe a modedb for the CRT ? otherwise panels should be as-is */ | |
355 | ||
356 | /* List of panels known to work with the AU1200 LCD controller. | |
357 | * To add a new panel, enter the same specifications as the | |
358 | * Generic_TFT one, and MAKE SURE that it doesn't conflicts | |
359 | * with the controller restrictions. Restrictions are: | |
360 | * | |
361 | * STN color panels: max_bpp <= 12 | |
362 | * STN mono panels: max_bpp <= 4 | |
363 | * TFT panels: max_bpp <= 16 | |
364 | * max_xres <= 800 | |
365 | * max_yres <= 600 | |
366 | */ | |
367 | static struct panel_settings known_lcd_panels[] = | |
368 | { | |
369 | [0] = { /* QVGA 320x240 H:33.3kHz V:110Hz */ | |
370 | .name = "QVGA_320x240", | |
371 | .monspecs = { | |
372 | .modedb = NULL, | |
373 | .modedb_len = 0, | |
374 | .hfmin = 30000, | |
375 | .hfmax = 70000, | |
376 | .vfmin = 60, | |
377 | .vfmax = 60, | |
378 | .dclkmin = 6000000, | |
379 | .dclkmax = 28000000, | |
380 | .input = FB_DISP_RGB, | |
381 | }, | |
382 | .mode_screen = LCD_SCREEN_SX_N(320) | | |
383 | LCD_SCREEN_SY_N(240), | |
384 | .mode_horztiming = 0x00c4623b, | |
385 | .mode_verttiming = 0x00502814, | |
386 | .mode_clkcontrol = 0x00020002, /* /4=24Mhz */ | |
387 | .mode_pwmdiv = 0x00000000, | |
388 | .mode_pwmhi = 0x00000000, | |
389 | .mode_outmask = 0x00FFFFFF, | |
390 | .mode_fifoctrl = 0x2f2f2f2f, | |
391 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ | |
392 | .mode_backlight = 0x00000000, | |
393 | .mode_auxpll = 8, /* 96MHz AUXPLL */ | |
394 | .device_init = NULL, | |
395 | .device_shutdown = NULL, | |
396 | 320, 320, | |
397 | 240, 240, | |
398 | }, | |
399 | ||
400 | [1] = { /* VGA 640x480 H:30.3kHz V:58Hz */ | |
401 | .name = "VGA_640x480", | |
402 | .monspecs = { | |
403 | .modedb = NULL, | |
404 | .modedb_len = 0, | |
405 | .hfmin = 30000, | |
406 | .hfmax = 70000, | |
407 | .vfmin = 60, | |
408 | .vfmax = 60, | |
409 | .dclkmin = 6000000, | |
410 | .dclkmax = 28000000, | |
411 | .input = FB_DISP_RGB, | |
412 | }, | |
413 | .mode_screen = 0x13f9df80, | |
414 | .mode_horztiming = 0x003c5859, | |
415 | .mode_verttiming = 0x00741201, | |
416 | .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ | |
417 | .mode_pwmdiv = 0x00000000, | |
418 | .mode_pwmhi = 0x00000000, | |
419 | .mode_outmask = 0x00FFFFFF, | |
420 | .mode_fifoctrl = 0x2f2f2f2f, | |
421 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ | |
422 | .mode_backlight = 0x00000000, | |
423 | .mode_auxpll = 8, /* 96MHz AUXPLL */ | |
424 | .device_init = NULL, | |
425 | .device_shutdown = NULL, | |
426 | 640, 480, | |
427 | 640, 480, | |
428 | }, | |
429 | ||
430 | [2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */ | |
431 | .name = "SVGA_800x600", | |
432 | .monspecs = { | |
433 | .modedb = NULL, | |
434 | .modedb_len = 0, | |
435 | .hfmin = 30000, | |
436 | .hfmax = 70000, | |
437 | .vfmin = 60, | |
438 | .vfmax = 60, | |
439 | .dclkmin = 6000000, | |
440 | .dclkmax = 28000000, | |
441 | .input = FB_DISP_RGB, | |
442 | }, | |
443 | .mode_screen = 0x18fa5780, | |
444 | .mode_horztiming = 0x00dc7e77, | |
445 | .mode_verttiming = 0x00584805, | |
446 | .mode_clkcontrol = 0x00020000, /* /2=48Mhz */ | |
447 | .mode_pwmdiv = 0x00000000, | |
448 | .mode_pwmhi = 0x00000000, | |
449 | .mode_outmask = 0x00FFFFFF, | |
450 | .mode_fifoctrl = 0x2f2f2f2f, | |
451 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ | |
452 | .mode_backlight = 0x00000000, | |
453 | .mode_auxpll = 8, /* 96MHz AUXPLL */ | |
454 | .device_init = NULL, | |
455 | .device_shutdown = NULL, | |
456 | 800, 800, | |
457 | 600, 600, | |
458 | }, | |
459 | ||
460 | [3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */ | |
461 | .name = "XVGA_1024x768", | |
462 | .monspecs = { | |
463 | .modedb = NULL, | |
464 | .modedb_len = 0, | |
465 | .hfmin = 30000, | |
466 | .hfmax = 70000, | |
467 | .vfmin = 60, | |
468 | .vfmax = 60, | |
469 | .dclkmin = 6000000, | |
470 | .dclkmax = 28000000, | |
471 | .input = FB_DISP_RGB, | |
472 | }, | |
473 | .mode_screen = 0x1ffaff80, | |
474 | .mode_horztiming = 0x007d0e57, | |
475 | .mode_verttiming = 0x00740a01, | |
476 | .mode_clkcontrol = 0x000A0000, /* /1 */ | |
477 | .mode_pwmdiv = 0x00000000, | |
478 | .mode_pwmhi = 0x00000000, | |
479 | .mode_outmask = 0x00FFFFFF, | |
480 | .mode_fifoctrl = 0x2f2f2f2f, | |
481 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ | |
482 | .mode_backlight = 0x00000000, | |
483 | .mode_auxpll = 6, /* 72MHz AUXPLL */ | |
484 | .device_init = NULL, | |
485 | .device_shutdown = NULL, | |
486 | 1024, 1024, | |
487 | 768, 768, | |
488 | }, | |
489 | ||
490 | [4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */ | |
491 | .name = "XVGA_1280x1024", | |
492 | .monspecs = { | |
493 | .modedb = NULL, | |
494 | .modedb_len = 0, | |
495 | .hfmin = 30000, | |
496 | .hfmax = 70000, | |
497 | .vfmin = 60, | |
498 | .vfmax = 60, | |
499 | .dclkmin = 6000000, | |
500 | .dclkmax = 28000000, | |
501 | .input = FB_DISP_RGB, | |
502 | }, | |
503 | .mode_screen = 0x27fbff80, | |
504 | .mode_horztiming = 0x00cdb2c7, | |
505 | .mode_verttiming = 0x00600002, | |
506 | .mode_clkcontrol = 0x000A0000, /* /1 */ | |
507 | .mode_pwmdiv = 0x00000000, | |
508 | .mode_pwmhi = 0x00000000, | |
509 | .mode_outmask = 0x00FFFFFF, | |
510 | .mode_fifoctrl = 0x2f2f2f2f, | |
511 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ | |
512 | .mode_backlight = 0x00000000, | |
513 | .mode_auxpll = 10, /* 120MHz AUXPLL */ | |
514 | .device_init = NULL, | |
515 | .device_shutdown = NULL, | |
516 | 1280, 1280, | |
517 | 1024, 1024, | |
518 | }, | |
519 | ||
520 | [5] = { /* Samsung 1024x768 TFT */ | |
521 | .name = "Samsung_1024x768_TFT", | |
522 | .monspecs = { | |
523 | .modedb = NULL, | |
524 | .modedb_len = 0, | |
525 | .hfmin = 30000, | |
526 | .hfmax = 70000, | |
527 | .vfmin = 60, | |
528 | .vfmax = 60, | |
529 | .dclkmin = 6000000, | |
530 | .dclkmax = 28000000, | |
531 | .input = FB_DISP_RGB, | |
532 | }, | |
533 | .mode_screen = 0x1ffaff80, | |
534 | .mode_horztiming = 0x018cc677, | |
535 | .mode_verttiming = 0x00241217, | |
536 | .mode_clkcontrol = 0x00000000, /* SCB 0x1 /4=24Mhz */ | |
537 | .mode_pwmdiv = 0x8000063f, /* SCB 0x0 */ | |
538 | .mode_pwmhi = 0x03400000, /* SCB 0x0 */ | |
539 | .mode_outmask = 0x00FFFFFF, | |
540 | .mode_fifoctrl = 0x2f2f2f2f, | |
541 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ | |
542 | .mode_backlight = 0x00000000, | |
543 | .mode_auxpll = 8, /* 96MHz AUXPLL */ | |
544 | .device_init = board_au1200fb_panel_init, | |
545 | .device_shutdown = board_au1200fb_panel_shutdown, | |
546 | 1024, 1024, | |
547 | 768, 768, | |
548 | }, | |
549 | ||
550 | [6] = { /* Toshiba 640x480 TFT */ | |
551 | .name = "Toshiba_640x480_TFT", | |
552 | .monspecs = { | |
553 | .modedb = NULL, | |
554 | .modedb_len = 0, | |
555 | .hfmin = 30000, | |
556 | .hfmax = 70000, | |
557 | .vfmin = 60, | |
558 | .vfmax = 60, | |
559 | .dclkmin = 6000000, | |
560 | .dclkmax = 28000000, | |
561 | .input = FB_DISP_RGB, | |
562 | }, | |
563 | .mode_screen = LCD_SCREEN_SX_N(640) | | |
564 | LCD_SCREEN_SY_N(480), | |
565 | .mode_horztiming = LCD_HORZTIMING_HPW_N(96) | | |
566 | LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51), | |
567 | .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | | |
568 | LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32), | |
569 | .mode_clkcontrol = 0x00000000, /* /4=24Mhz */ | |
570 | .mode_pwmdiv = 0x8000063f, | |
571 | .mode_pwmhi = 0x03400000, | |
572 | .mode_outmask = 0x00fcfcfc, | |
573 | .mode_fifoctrl = 0x2f2f2f2f, | |
574 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ | |
575 | .mode_backlight = 0x00000000, | |
576 | .mode_auxpll = 8, /* 96MHz AUXPLL */ | |
577 | .device_init = board_au1200fb_panel_init, | |
578 | .device_shutdown = board_au1200fb_panel_shutdown, | |
579 | 640, 480, | |
580 | 640, 480, | |
581 | }, | |
582 | ||
583 | [7] = { /* Sharp 320x240 TFT */ | |
584 | .name = "Sharp_320x240_TFT", | |
585 | .monspecs = { | |
586 | .modedb = NULL, | |
587 | .modedb_len = 0, | |
588 | .hfmin = 12500, | |
589 | .hfmax = 20000, | |
590 | .vfmin = 38, | |
591 | .vfmax = 81, | |
592 | .dclkmin = 4500000, | |
593 | .dclkmax = 6800000, | |
594 | .input = FB_DISP_RGB, | |
595 | }, | |
596 | .mode_screen = LCD_SCREEN_SX_N(320) | | |
597 | LCD_SCREEN_SY_N(240), | |
598 | .mode_horztiming = LCD_HORZTIMING_HPW_N(60) | | |
599 | LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2), | |
600 | .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | | |
601 | LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5), | |
602 | .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/ | |
603 | .mode_pwmdiv = 0x8000063f, | |
604 | .mode_pwmhi = 0x03400000, | |
605 | .mode_outmask = 0x00fcfcfc, | |
606 | .mode_fifoctrl = 0x2f2f2f2f, | |
607 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ | |
608 | .mode_backlight = 0x00000000, | |
609 | .mode_auxpll = 8, /* 96MHz AUXPLL */ | |
610 | .device_init = board_au1200fb_panel_init, | |
611 | .device_shutdown = board_au1200fb_panel_shutdown, | |
612 | 320, 320, | |
613 | 240, 240, | |
614 | }, | |
615 | ||
616 | [8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */ | |
617 | .name = "Toppoly_TD070WGCB2", | |
618 | .monspecs = { | |
619 | .modedb = NULL, | |
620 | .modedb_len = 0, | |
621 | .hfmin = 30000, | |
622 | .hfmax = 70000, | |
623 | .vfmin = 60, | |
624 | .vfmax = 60, | |
625 | .dclkmin = 6000000, | |
626 | .dclkmax = 28000000, | |
627 | .input = FB_DISP_RGB, | |
628 | }, | |
629 | .mode_screen = LCD_SCREEN_SX_N(856) | | |
630 | LCD_SCREEN_SY_N(480), | |
631 | .mode_horztiming = LCD_HORZTIMING_HND2_N(43) | | |
632 | LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114), | |
633 | .mode_verttiming = LCD_VERTTIMING_VND2_N(20) | | |
634 | LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4), | |
635 | .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ | |
636 | .mode_pwmdiv = 0x8000063f, | |
637 | .mode_pwmhi = 0x03400000, | |
638 | .mode_outmask = 0x00fcfcfc, | |
639 | .mode_fifoctrl = 0x2f2f2f2f, | |
640 | .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ | |
641 | .mode_backlight = 0x00000000, | |
642 | .mode_auxpll = 8, /* 96MHz AUXPLL */ | |
643 | .device_init = board_au1200fb_panel_init, | |
644 | .device_shutdown = board_au1200fb_panel_shutdown, | |
645 | 856, 856, | |
646 | 480, 480, | |
647 | }, | |
648 | }; | |
649 | ||
650 | #define NUM_PANELS (ARRAY_SIZE(known_lcd_panels)) | |
651 | ||
652 | /********************************************************************/ | |
653 | ||
654 | #ifdef CONFIG_PM | |
655 | static int set_brightness(unsigned int brightness) | |
656 | { | |
657 | unsigned int hi1, divider; | |
658 | ||
659 | /* limit brightness pwm duty to >= 30/1600 */ | |
660 | if (brightness < 30) { | |
661 | brightness = 30; | |
662 | } | |
663 | divider = (lcd->pwmdiv & 0x3FFFF) + 1; | |
664 | hi1 = (lcd->pwmhi >> 16) + 1; | |
665 | hi1 = (((brightness & 0xFF) + 1) * divider >> 8); | |
666 | lcd->pwmhi &= 0xFFFF; | |
667 | lcd->pwmhi |= (hi1 << 16); | |
668 | ||
669 | return brightness; | |
670 | } | |
671 | #endif /* CONFIG_PM */ | |
672 | ||
673 | static int winbpp (unsigned int winctrl1) | |
674 | { | |
675 | int bits = 0; | |
676 | ||
677 | /* how many bits are needed for each pixel format */ | |
678 | switch (winctrl1 & LCD_WINCTRL1_FRM) { | |
679 | case LCD_WINCTRL1_FRM_1BPP: | |
680 | bits = 1; | |
681 | break; | |
682 | case LCD_WINCTRL1_FRM_2BPP: | |
683 | bits = 2; | |
684 | break; | |
685 | case LCD_WINCTRL1_FRM_4BPP: | |
686 | bits = 4; | |
687 | break; | |
688 | case LCD_WINCTRL1_FRM_8BPP: | |
689 | bits = 8; | |
690 | break; | |
691 | case LCD_WINCTRL1_FRM_12BPP: | |
692 | case LCD_WINCTRL1_FRM_16BPP655: | |
693 | case LCD_WINCTRL1_FRM_16BPP565: | |
694 | case LCD_WINCTRL1_FRM_16BPP556: | |
695 | case LCD_WINCTRL1_FRM_16BPPI1555: | |
696 | case LCD_WINCTRL1_FRM_16BPPI5551: | |
697 | case LCD_WINCTRL1_FRM_16BPPA1555: | |
698 | case LCD_WINCTRL1_FRM_16BPPA5551: | |
699 | bits = 16; | |
700 | break; | |
701 | case LCD_WINCTRL1_FRM_24BPP: | |
702 | case LCD_WINCTRL1_FRM_32BPP: | |
703 | bits = 32; | |
704 | break; | |
705 | } | |
706 | ||
707 | return bits; | |
708 | } | |
709 | ||
710 | static int fbinfo2index (struct fb_info *fb_info) | |
711 | { | |
712 | int i; | |
713 | ||
714 | for (i = 0; i < CONFIG_FB_AU1200_DEVS; ++i) { | |
715 | if (fb_info == (struct fb_info *)(&_au1200fb_devices[i].fb_info)) | |
716 | return i; | |
717 | } | |
718 | printk("au1200fb: ERROR: fbinfo2index failed!\n"); | |
719 | return -1; | |
720 | } | |
721 | ||
722 | static int au1200_setlocation (struct au1200fb_device *fbdev, int plane, | |
723 | int xpos, int ypos) | |
724 | { | |
725 | uint32 winctrl0, winctrl1, winenable, fb_offset = 0; | |
726 | int xsz, ysz; | |
727 | ||
728 | /* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */ | |
729 | ||
730 | winctrl0 = lcd->window[plane].winctrl0; | |
731 | winctrl1 = lcd->window[plane].winctrl1; | |
732 | winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN); | |
733 | winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY); | |
734 | ||
735 | /* Check for off-screen adjustments */ | |
736 | xsz = win->w[plane].xres; | |
737 | ysz = win->w[plane].yres; | |
738 | if ((xpos + win->w[plane].xres) > panel->Xres) { | |
739 | /* Off-screen to the right */ | |
740 | xsz = panel->Xres - xpos; /* off by 1 ??? */ | |
741 | /*printk("off screen right\n");*/ | |
742 | } | |
743 | ||
744 | if ((ypos + win->w[plane].yres) > panel->Yres) { | |
745 | /* Off-screen to the bottom */ | |
746 | ysz = panel->Yres - ypos; /* off by 1 ??? */ | |
747 | /*printk("off screen bottom\n");*/ | |
748 | } | |
749 | ||
750 | if (xpos < 0) { | |
751 | /* Off-screen to the left */ | |
752 | xsz = win->w[plane].xres + xpos; | |
753 | fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8); | |
754 | xpos = 0; | |
755 | /*printk("off screen left\n");*/ | |
756 | } | |
757 | ||
758 | if (ypos < 0) { | |
759 | /* Off-screen to the top */ | |
760 | ysz = win->w[plane].yres + ypos; | |
761 | /* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */ | |
762 | ypos = 0; | |
763 | /*printk("off screen top\n");*/ | |
764 | } | |
765 | ||
766 | /* record settings */ | |
767 | win->w[plane].xpos = xpos; | |
768 | win->w[plane].ypos = ypos; | |
769 | ||
770 | xsz -= 1; | |
771 | ysz -= 1; | |
772 | winctrl0 |= (xpos << 21); | |
773 | winctrl0 |= (ypos << 10); | |
774 | winctrl1 |= (xsz << 11); | |
775 | winctrl1 |= (ysz << 0); | |
776 | ||
777 | /* Disable the window while making changes, then restore WINEN */ | |
778 | winenable = lcd->winenable & (1 << plane); | |
779 | au_sync(); | |
780 | lcd->winenable &= ~(1 << plane); | |
781 | lcd->window[plane].winctrl0 = winctrl0; | |
782 | lcd->window[plane].winctrl1 = winctrl1; | |
783 | lcd->window[plane].winbuf0 = | |
784 | lcd->window[plane].winbuf1 = fbdev->fb_phys; | |
785 | lcd->window[plane].winbufctrl = 0; /* select winbuf0 */ | |
786 | lcd->winenable |= winenable; | |
787 | au_sync(); | |
788 | ||
789 | return 0; | |
790 | } | |
791 | ||
792 | static void au1200_setpanel (struct panel_settings *newpanel) | |
793 | { | |
794 | /* | |
795 | * Perform global setup/init of LCD controller | |
796 | */ | |
797 | uint32 winenable; | |
798 | ||
799 | /* Make sure all windows disabled */ | |
800 | winenable = lcd->winenable; | |
801 | lcd->winenable = 0; | |
802 | au_sync(); | |
803 | /* | |
804 | * Ensure everything is disabled before reconfiguring | |
805 | */ | |
806 | if (lcd->screen & LCD_SCREEN_SEN) { | |
807 | /* Wait for vertical sync period */ | |
808 | lcd->intstatus = LCD_INT_SS; | |
809 | while ((lcd->intstatus & LCD_INT_SS) == 0) { | |
810 | au_sync(); | |
811 | } | |
812 | ||
813 | lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/ | |
814 | ||
815 | do { | |
816 | lcd->intstatus = lcd->intstatus; /*clear interrupts*/ | |
817 | au_sync(); | |
818 | /*wait for controller to shut down*/ | |
819 | } while ((lcd->intstatus & LCD_INT_SD) == 0); | |
820 | ||
821 | /* Call shutdown of current panel (if up) */ | |
822 | /* this must occur last, because if an external clock is driving | |
823 | the controller, the clock cannot be turned off before first | |
824 | shutting down the controller. | |
825 | */ | |
826 | if (panel->device_shutdown != NULL) | |
827 | panel->device_shutdown(); | |
828 | } | |
829 | ||
830 | /* Newpanel == NULL indicates a shutdown operation only */ | |
831 | if (newpanel == NULL) | |
832 | return; | |
833 | ||
834 | panel = newpanel; | |
835 | ||
836 | printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres); | |
837 | ||
838 | /* | |
839 | * Setup clocking if internal LCD clock source (assumes sys_auxpll valid) | |
840 | */ | |
841 | if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT)) | |
842 | { | |
843 | uint32 sys_clksrc; | |
844 | au_writel(panel->mode_auxpll, SYS_AUXPLL); | |
845 | sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f; | |
846 | sys_clksrc |= panel->mode_toyclksrc; | |
847 | au_writel(sys_clksrc, SYS_CLKSRC); | |
848 | } | |
849 | ||
850 | /* | |
851 | * Configure panel timings | |
852 | */ | |
853 | lcd->screen = panel->mode_screen; | |
854 | lcd->horztiming = panel->mode_horztiming; | |
855 | lcd->verttiming = panel->mode_verttiming; | |
856 | lcd->clkcontrol = panel->mode_clkcontrol; | |
857 | lcd->pwmdiv = panel->mode_pwmdiv; | |
858 | lcd->pwmhi = panel->mode_pwmhi; | |
859 | lcd->outmask = panel->mode_outmask; | |
860 | lcd->fifoctrl = panel->mode_fifoctrl; | |
861 | au_sync(); | |
862 | ||
863 | /* fixme: Check window settings to make sure still valid | |
864 | * for new geometry */ | |
865 | #if 0 | |
866 | au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos); | |
867 | au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos); | |
868 | au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos); | |
869 | au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos); | |
870 | #endif | |
871 | lcd->winenable = winenable; | |
872 | ||
873 | /* | |
874 | * Re-enable screen now that it is configured | |
875 | */ | |
876 | lcd->screen |= LCD_SCREEN_SEN; | |
877 | au_sync(); | |
878 | ||
879 | /* Call init of panel */ | |
880 | if (panel->device_init != NULL) panel->device_init(); | |
881 | ||
882 | /* FIX!!!! not appropriate on panel change!!! Global setup/init */ | |
883 | lcd->intenable = 0; | |
884 | lcd->intstatus = ~0; | |
885 | lcd->backcolor = win->mode_backcolor; | |
886 | ||
887 | /* Setup Color Key - FIX!!! */ | |
888 | lcd->colorkey = win->mode_colorkey; | |
889 | lcd->colorkeymsk = win->mode_colorkeymsk; | |
890 | ||
891 | /* Setup HWCursor - FIX!!! Need to support this eventually */ | |
892 | lcd->hwc.cursorctrl = 0; | |
893 | lcd->hwc.cursorpos = 0; | |
894 | lcd->hwc.cursorcolor0 = 0; | |
895 | lcd->hwc.cursorcolor1 = 0; | |
896 | lcd->hwc.cursorcolor2 = 0; | |
897 | lcd->hwc.cursorcolor3 = 0; | |
898 | ||
899 | ||
900 | #if 0 | |
901 | #define D(X) printk("%25s: %08X\n", #X, X) | |
902 | D(lcd->screen); | |
903 | D(lcd->horztiming); | |
904 | D(lcd->verttiming); | |
905 | D(lcd->clkcontrol); | |
906 | D(lcd->pwmdiv); | |
907 | D(lcd->pwmhi); | |
908 | D(lcd->outmask); | |
909 | D(lcd->fifoctrl); | |
910 | D(lcd->window[0].winctrl0); | |
911 | D(lcd->window[0].winctrl1); | |
912 | D(lcd->window[0].winctrl2); | |
913 | D(lcd->window[0].winbuf0); | |
914 | D(lcd->window[0].winbuf1); | |
915 | D(lcd->window[0].winbufctrl); | |
916 | D(lcd->window[1].winctrl0); | |
917 | D(lcd->window[1].winctrl1); | |
918 | D(lcd->window[1].winctrl2); | |
919 | D(lcd->window[1].winbuf0); | |
920 | D(lcd->window[1].winbuf1); | |
921 | D(lcd->window[1].winbufctrl); | |
922 | D(lcd->window[2].winctrl0); | |
923 | D(lcd->window[2].winctrl1); | |
924 | D(lcd->window[2].winctrl2); | |
925 | D(lcd->window[2].winbuf0); | |
926 | D(lcd->window[2].winbuf1); | |
927 | D(lcd->window[2].winbufctrl); | |
928 | D(lcd->window[3].winctrl0); | |
929 | D(lcd->window[3].winctrl1); | |
930 | D(lcd->window[3].winctrl2); | |
931 | D(lcd->window[3].winbuf0); | |
932 | D(lcd->window[3].winbuf1); | |
933 | D(lcd->window[3].winbufctrl); | |
934 | D(lcd->winenable); | |
935 | D(lcd->intenable); | |
936 | D(lcd->intstatus); | |
937 | D(lcd->backcolor); | |
938 | D(lcd->winenable); | |
939 | D(lcd->colorkey); | |
940 | D(lcd->colorkeymsk); | |
941 | D(lcd->hwc.cursorctrl); | |
942 | D(lcd->hwc.cursorpos); | |
943 | D(lcd->hwc.cursorcolor0); | |
944 | D(lcd->hwc.cursorcolor1); | |
945 | D(lcd->hwc.cursorcolor2); | |
946 | D(lcd->hwc.cursorcolor3); | |
947 | #endif | |
948 | } | |
949 | ||
950 | static void au1200_setmode(struct au1200fb_device *fbdev) | |
951 | { | |
952 | int plane = fbdev->plane; | |
953 | /* Window/plane setup */ | |
954 | lcd->window[plane].winctrl1 = ( 0 | |
955 | | LCD_WINCTRL1_PRI_N(plane) | |
956 | | win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */ | |
957 | ) ; | |
958 | ||
959 | au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos); | |
960 | ||
961 | lcd->window[plane].winctrl2 = ( 0 | |
962 | | LCD_WINCTRL2_CKMODE_00 | |
963 | | LCD_WINCTRL2_DBM | |
964 | | LCD_WINCTRL2_BX_N( fbdev->fb_info.fix.line_length) | |
965 | | LCD_WINCTRL2_SCX_1 | |
966 | | LCD_WINCTRL2_SCY_1 | |
967 | ) ; | |
968 | lcd->winenable |= win->w[plane].mode_winenable; | |
969 | au_sync(); | |
970 | } | |
971 | ||
972 | ||
973 | /* Inline helpers */ | |
974 | ||
975 | /*#define panel_is_dual(panel) ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ | |
976 | /*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ | |
977 | ||
978 | #define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN) | |
979 | ||
980 | /* Bitfields format supported by the controller. */ | |
981 | static struct fb_bitfield rgb_bitfields[][4] = { | |
982 | /* Red, Green, Blue, Transp */ | |
983 | [LCD_WINCTRL1_FRM_16BPP655 >> 25] = | |
984 | { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, | |
985 | ||
986 | [LCD_WINCTRL1_FRM_16BPP565 >> 25] = | |
987 | { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, | |
988 | ||
989 | [LCD_WINCTRL1_FRM_16BPP556 >> 25] = | |
990 | { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } }, | |
991 | ||
992 | [LCD_WINCTRL1_FRM_16BPPI1555 >> 25] = | |
993 | { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, | |
994 | ||
995 | [LCD_WINCTRL1_FRM_16BPPI5551 >> 25] = | |
996 | { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } }, | |
997 | ||
998 | [LCD_WINCTRL1_FRM_16BPPA1555 >> 25] = | |
999 | { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } }, | |
1000 | ||
1001 | [LCD_WINCTRL1_FRM_16BPPA5551 >> 25] = | |
1002 | { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } }, | |
1003 | ||
1004 | [LCD_WINCTRL1_FRM_24BPP >> 25] = | |
1005 | { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } }, | |
1006 | ||
1007 | [LCD_WINCTRL1_FRM_32BPP >> 25] = | |
1008 | { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } }, | |
1009 | }; | |
1010 | ||
1011 | /*-------------------------------------------------------------------------*/ | |
1012 | ||
1013 | /* Helpers */ | |
1014 | ||
1015 | static void au1200fb_update_fbinfo(struct fb_info *fbi) | |
1016 | { | |
1017 | /* FIX!!!! This also needs to take the window pixel format into account!!! */ | |
1018 | ||
1019 | /* Update var-dependent FB info */ | |
1020 | if (panel_is_color(panel)) { | |
1021 | if (fbi->var.bits_per_pixel <= 8) { | |
1022 | /* palettized */ | |
1023 | fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR; | |
1024 | fbi->fix.line_length = fbi->var.xres_virtual / | |
1025 | (8/fbi->var.bits_per_pixel); | |
1026 | } else { | |
1027 | /* non-palettized */ | |
1028 | fbi->fix.visual = FB_VISUAL_TRUECOLOR; | |
1029 | fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8); | |
1030 | } | |
1031 | } else { | |
1032 | /* mono FIX!!! mono 8 and 4 bits */ | |
1033 | fbi->fix.visual = FB_VISUAL_MONO10; | |
1034 | fbi->fix.line_length = fbi->var.xres_virtual / 8; | |
1035 | } | |
1036 | ||
1037 | fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual; | |
1038 | print_dbg("line length: %d\n", fbi->fix.line_length); | |
1039 | print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel); | |
1040 | } | |
1041 | ||
1042 | /*-------------------------------------------------------------------------*/ | |
1043 | ||
1044 | /* AU1200 framebuffer driver */ | |
1045 | ||
1046 | /* fb_check_var | |
1047 | * Validate var settings with hardware restrictions and modify it if necessary | |
1048 | */ | |
1049 | static int au1200fb_fb_check_var(struct fb_var_screeninfo *var, | |
1050 | struct fb_info *fbi) | |
1051 | { | |
1052 | struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi; | |
1053 | u32 pixclock; | |
1054 | int screen_size, plane; | |
1055 | ||
1056 | plane = fbdev->plane; | |
1057 | ||
1058 | /* Make sure that the mode respect all LCD controller and | |
1059 | * panel restrictions. */ | |
1060 | var->xres = win->w[plane].xres; | |
1061 | var->yres = win->w[plane].yres; | |
1062 | ||
1063 | /* No need for virtual resolution support */ | |
1064 | var->xres_virtual = var->xres; | |
1065 | var->yres_virtual = var->yres; | |
1066 | ||
1067 | var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1); | |
1068 | ||
1069 | screen_size = var->xres_virtual * var->yres_virtual; | |
1070 | if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8); | |
1071 | else screen_size /= (8/var->bits_per_pixel); | |
1072 | ||
1073 | if (fbdev->fb_len < screen_size) | |
1074 | return -EINVAL; /* Virtual screen is to big, abort */ | |
1075 | ||
1076 | /* FIX!!!! what are the implicaitons of ignoring this for windows ??? */ | |
1077 | /* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel | |
1078 | * clock can only be obtain by dividing this value by an even integer. | |
1079 | * Fallback to a slower pixel clock if necessary. */ | |
1080 | pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin); | |
1081 | pixclock = min(pixclock, min(fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2)); | |
1082 | ||
1083 | if (AU1200_LCD_MAX_CLK % pixclock) { | |
1084 | int diff = AU1200_LCD_MAX_CLK % pixclock; | |
1085 | pixclock -= diff; | |
1086 | } | |
1087 | ||
1088 | var->pixclock = KHZ2PICOS(pixclock/1000); | |
1089 | #if 0 | |
1090 | if (!panel_is_active(panel)) { | |
1091 | int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1; | |
1092 | ||
1093 | if (!panel_is_color(panel) | |
1094 | && (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) { | |
1095 | /* STN 8bit mono panel support is up to 6MHz pixclock */ | |
1096 | var->pixclock = KHZ2PICOS(6000); | |
1097 | } else if (!pcd) { | |
1098 | /* Other STN panel support is up to 12MHz */ | |
1099 | var->pixclock = KHZ2PICOS(12000); | |
1100 | } | |
1101 | } | |
1102 | #endif | |
1103 | /* Set bitfield accordingly */ | |
1104 | switch (var->bits_per_pixel) { | |
1105 | case 16: | |
1106 | { | |
1107 | /* 16bpp True color. | |
1108 | * These must be set to MATCH WINCTRL[FORM] */ | |
1109 | int idx; | |
1110 | idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; | |
1111 | var->red = rgb_bitfields[idx][0]; | |
1112 | var->green = rgb_bitfields[idx][1]; | |
1113 | var->blue = rgb_bitfields[idx][2]; | |
1114 | var->transp = rgb_bitfields[idx][3]; | |
1115 | break; | |
1116 | } | |
1117 | ||
1118 | case 32: | |
1119 | { | |
1120 | /* 32bpp True color. | |
1121 | * These must be set to MATCH WINCTRL[FORM] */ | |
1122 | int idx; | |
1123 | idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; | |
1124 | var->red = rgb_bitfields[idx][0]; | |
1125 | var->green = rgb_bitfields[idx][1]; | |
1126 | var->blue = rgb_bitfields[idx][2]; | |
1127 | var->transp = rgb_bitfields[idx][3]; | |
1128 | break; | |
1129 | } | |
1130 | default: | |
1131 | print_dbg("Unsupported depth %dbpp", var->bits_per_pixel); | |
1132 | return -EINVAL; | |
1133 | } | |
1134 | ||
1135 | return 0; | |
1136 | } | |
1137 | ||
1138 | /* fb_set_par | |
1139 | * Set hardware with var settings. This will enable the controller with a | |
1140 | * specific mode, normally validated with the fb_check_var method | |
1141 | */ | |
1142 | static int au1200fb_fb_set_par(struct fb_info *fbi) | |
1143 | { | |
1144 | struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi; | |
1145 | ||
1146 | au1200fb_update_fbinfo(fbi); | |
1147 | au1200_setmode(fbdev); | |
1148 | ||
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | /* fb_setcolreg | |
1153 | * Set color in LCD palette. | |
1154 | */ | |
1155 | static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green, | |
1156 | unsigned blue, unsigned transp, struct fb_info *fbi) | |
1157 | { | |
1158 | volatile u32 *palette = lcd->palette; | |
1159 | u32 value; | |
1160 | ||
1161 | if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1)) | |
1162 | return -EINVAL; | |
1163 | ||
1164 | if (fbi->var.grayscale) { | |
1165 | /* Convert color to grayscale */ | |
1166 | red = green = blue = | |
1167 | (19595 * red + 38470 * green + 7471 * blue) >> 16; | |
1168 | } | |
1169 | ||
1170 | if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) { | |
1171 | /* Place color in the pseudopalette */ | |
1172 | if (regno > 16) | |
1173 | return -EINVAL; | |
1174 | ||
1175 | palette = (u32*) fbi->pseudo_palette; | |
1176 | ||
1177 | red >>= (16 - fbi->var.red.length); | |
1178 | green >>= (16 - fbi->var.green.length); | |
1179 | blue >>= (16 - fbi->var.blue.length); | |
1180 | ||
1181 | value = (red << fbi->var.red.offset) | | |
1182 | (green << fbi->var.green.offset)| | |
1183 | (blue << fbi->var.blue.offset); | |
1184 | value &= 0xFFFF; | |
1185 | ||
1186 | } else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) { | |
1187 | /* COLOR TFT PALLETTIZED (use RGB 565) */ | |
1188 | value = (red & 0xF800)|((green >> 5) & | |
1189 | 0x07E0)|((blue >> 11) & 0x001F); | |
1190 | value &= 0xFFFF; | |
1191 | ||
1192 | } else if (0 /*panel_is_color(fbdev->panel)*/) { | |
1193 | /* COLOR STN MODE */ | |
1194 | value = 0x1234; | |
1195 | value &= 0xFFF; | |
1196 | } else { | |
1197 | /* MONOCHROME MODE */ | |
1198 | value = (green >> 12) & 0x000F; | |
1199 | value &= 0xF; | |
1200 | } | |
1201 | ||
1202 | palette[regno] = value; | |
1203 | ||
1204 | return 0; | |
1205 | } | |
1206 | ||
1207 | /* fb_blank | |
1208 | * Blank the screen. Depending on the mode, the screen will be | |
1209 | * activated with the backlight color, or desactivated | |
1210 | */ | |
1211 | static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi) | |
1212 | { | |
1213 | /* Short-circuit screen blanking */ | |
1214 | if (noblanking) | |
1215 | return 0; | |
1216 | ||
1217 | switch (blank_mode) { | |
1218 | ||
1219 | case FB_BLANK_UNBLANK: | |
1220 | case FB_BLANK_NORMAL: | |
1221 | /* printk("turn on panel\n"); */ | |
1222 | au1200_setpanel(panel); | |
1223 | break; | |
1224 | case FB_BLANK_VSYNC_SUSPEND: | |
1225 | case FB_BLANK_HSYNC_SUSPEND: | |
1226 | case FB_BLANK_POWERDOWN: | |
1227 | /* printk("turn off panel\n"); */ | |
1228 | au1200_setpanel(NULL); | |
1229 | break; | |
1230 | default: | |
1231 | break; | |
1232 | ||
1233 | } | |
1234 | ||
1235 | /* FB_BLANK_NORMAL is a soft blank */ | |
1236 | return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0; | |
1237 | } | |
1238 | ||
1239 | /* fb_mmap | |
1240 | * Map video memory in user space. We don't use the generic fb_mmap | |
1241 | * method mainly to allow the use of the TLB streaming flag (CCA=6) | |
1242 | */ | |
1243 | static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) | |
1244 | ||
1245 | { | |
1246 | unsigned int len; | |
1247 | unsigned long start=0, off; | |
1248 | struct au1200fb_device *fbdev = (struct au1200fb_device *) info; | |
1249 | ||
1250 | #ifdef CONFIG_PM | |
1251 | au1xxx_pm_access(LCD_pm_dev); | |
1252 | #endif | |
1253 | ||
1254 | if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) { | |
1255 | return -EINVAL; | |
1256 | } | |
1257 | ||
1258 | start = fbdev->fb_phys & PAGE_MASK; | |
1259 | len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len); | |
1260 | ||
1261 | off = vma->vm_pgoff << PAGE_SHIFT; | |
1262 | ||
1263 | if ((vma->vm_end - vma->vm_start + off) > len) { | |
1264 | return -EINVAL; | |
1265 | } | |
1266 | ||
1267 | off += start; | |
1268 | vma->vm_pgoff = off >> PAGE_SHIFT; | |
1269 | ||
1270 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
1271 | pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */ | |
1272 | ||
1273 | vma->vm_flags |= VM_IO; | |
1274 | ||
1275 | return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, | |
1276 | vma->vm_end - vma->vm_start, | |
1277 | vma->vm_page_prot); | |
1278 | ||
1279 | return 0; | |
1280 | } | |
1281 | ||
1282 | static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) | |
1283 | { | |
1284 | ||
1285 | unsigned int hi1, divider; | |
1286 | ||
1287 | /* SCREEN_SIZE: user cannot reset size, must switch panel choice */ | |
1288 | ||
1289 | if (pdata->flags & SCREEN_BACKCOLOR) | |
1290 | lcd->backcolor = pdata->backcolor; | |
1291 | ||
1292 | if (pdata->flags & SCREEN_BRIGHTNESS) { | |
1293 | ||
1294 | // limit brightness pwm duty to >= 30/1600 | |
1295 | if (pdata->brightness < 30) { | |
1296 | pdata->brightness = 30; | |
1297 | } | |
1298 | divider = (lcd->pwmdiv & 0x3FFFF) + 1; | |
1299 | hi1 = (lcd->pwmhi >> 16) + 1; | |
1300 | hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8); | |
1301 | lcd->pwmhi &= 0xFFFF; | |
1302 | lcd->pwmhi |= (hi1 << 16); | |
1303 | } | |
1304 | ||
1305 | if (pdata->flags & SCREEN_COLORKEY) | |
1306 | lcd->colorkey = pdata->colorkey; | |
1307 | ||
1308 | if (pdata->flags & SCREEN_MASK) | |
1309 | lcd->colorkeymsk = pdata->mask; | |
1310 | au_sync(); | |
1311 | } | |
1312 | ||
1313 | static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) | |
1314 | { | |
1315 | unsigned int hi1, divider; | |
1316 | ||
1317 | pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1; | |
1318 | pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1; | |
1319 | ||
1320 | pdata->backcolor = lcd->backcolor; | |
1321 | pdata->colorkey = lcd->colorkey; | |
1322 | pdata->mask = lcd->colorkeymsk; | |
1323 | ||
1324 | // brightness | |
1325 | hi1 = (lcd->pwmhi >> 16) + 1; | |
1326 | divider = (lcd->pwmdiv & 0x3FFFF) + 1; | |
1327 | pdata->brightness = ((hi1 << 8) / divider) - 1; | |
1328 | au_sync(); | |
1329 | } | |
1330 | ||
1331 | static void set_window(unsigned int plane, | |
1332 | struct au1200_lcd_window_regs_t *pdata) | |
1333 | { | |
1334 | unsigned int val, bpp; | |
1335 | ||
1336 | /* Window control register 0 */ | |
1337 | if (pdata->flags & WIN_POSITION) { | |
1338 | val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX | | |
1339 | LCD_WINCTRL0_OY); | |
1340 | val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX); | |
1341 | val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY); | |
1342 | lcd->window[plane].winctrl0 = val; | |
1343 | } | |
1344 | if (pdata->flags & WIN_ALPHA_COLOR) { | |
1345 | val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A); | |
1346 | val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A); | |
1347 | lcd->window[plane].winctrl0 = val; | |
1348 | } | |
1349 | if (pdata->flags & WIN_ALPHA_MODE) { | |
1350 | val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN); | |
1351 | val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN); | |
1352 | lcd->window[plane].winctrl0 = val; | |
1353 | } | |
1354 | ||
1355 | /* Window control register 1 */ | |
1356 | if (pdata->flags & WIN_PRIORITY) { | |
1357 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI); | |
1358 | val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI); | |
1359 | lcd->window[plane].winctrl1 = val; | |
1360 | } | |
1361 | if (pdata->flags & WIN_CHANNEL) { | |
1362 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE); | |
1363 | val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE); | |
1364 | lcd->window[plane].winctrl1 = val; | |
1365 | } | |
1366 | if (pdata->flags & WIN_BUFFER_FORMAT) { | |
1367 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM); | |
1368 | val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM); | |
1369 | lcd->window[plane].winctrl1 = val; | |
1370 | } | |
1371 | if (pdata->flags & WIN_COLOR_ORDER) { | |
1372 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO); | |
1373 | val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO); | |
1374 | lcd->window[plane].winctrl1 = val; | |
1375 | } | |
1376 | if (pdata->flags & WIN_PIXEL_ORDER) { | |
1377 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO); | |
1378 | val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO); | |
1379 | lcd->window[plane].winctrl1 = val; | |
1380 | } | |
1381 | if (pdata->flags & WIN_SIZE) { | |
1382 | val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX | | |
1383 | LCD_WINCTRL1_SZY); | |
1384 | val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX); | |
1385 | val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY); | |
1386 | lcd->window[plane].winctrl1 = val; | |
1387 | /* program buffer line width */ | |
1388 | bpp = winbpp(val) / 8; | |
1389 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX); | |
1390 | val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX); | |
1391 | lcd->window[plane].winctrl2 = val; | |
1392 | } | |
1393 | ||
1394 | /* Window control register 2 */ | |
1395 | if (pdata->flags & WIN_COLORKEY_MODE) { | |
1396 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE); | |
1397 | val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE); | |
1398 | lcd->window[plane].winctrl2 = val; | |
1399 | } | |
1400 | if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) { | |
1401 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM); | |
1402 | val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM); | |
1403 | lcd->window[plane].winctrl2 = val; | |
1404 | } | |
1405 | if (pdata->flags & WIN_RAM_ARRAY_MODE) { | |
1406 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM); | |
1407 | val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM); | |
1408 | lcd->window[plane].winctrl2 = val; | |
1409 | } | |
1410 | ||
1411 | /* Buffer line width programmed with WIN_SIZE */ | |
1412 | ||
1413 | if (pdata->flags & WIN_BUFFER_SCALE) { | |
1414 | val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX | | |
1415 | LCD_WINCTRL2_SCY); | |
1416 | val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX); | |
1417 | val |= ((pdata->ysize) & LCD_WINCTRL2_SCY); | |
1418 | lcd->window[plane].winctrl2 = val; | |
1419 | } | |
1420 | ||
1421 | if (pdata->flags & WIN_ENABLE) { | |
1422 | val = lcd->winenable; | |
1423 | val &= ~(1<<plane); | |
1424 | val |= (pdata->enable & 1) << plane; | |
1425 | lcd->winenable = val; | |
1426 | } | |
1427 | au_sync(); | |
1428 | } | |
1429 | ||
1430 | static void get_window(unsigned int plane, | |
1431 | struct au1200_lcd_window_regs_t *pdata) | |
1432 | { | |
1433 | /* Window control register 0 */ | |
1434 | pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21; | |
1435 | pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10; | |
1436 | pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2; | |
1437 | pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1; | |
1438 | ||
1439 | /* Window control register 1 */ | |
1440 | pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30; | |
1441 | pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29; | |
1442 | pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25; | |
1443 | pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24; | |
1444 | pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22; | |
1445 | pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1; | |
1446 | pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1; | |
1447 | ||
1448 | /* Window control register 2 */ | |
1449 | pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24; | |
1450 | pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23; | |
1451 | pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21; | |
1452 | ||
1453 | pdata->enable = (lcd->winenable >> plane) & 1; | |
1454 | au_sync(); | |
1455 | } | |
1456 | ||
1457 | static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd, | |
1458 | unsigned long arg) | |
1459 | { | |
1460 | int plane; | |
1461 | int val; | |
1462 | ||
1463 | #ifdef CONFIG_PM | |
1464 | au1xxx_pm_access(LCD_pm_dev); | |
1465 | #endif | |
1466 | ||
1467 | plane = fbinfo2index(info); | |
1468 | print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane); | |
1469 | ||
1470 | if (cmd == AU1200_LCD_FB_IOCTL) { | |
1471 | struct au1200_lcd_iodata_t iodata; | |
1472 | ||
1473 | if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata))) | |
1474 | return -EFAULT; | |
1475 | ||
1476 | print_dbg("FB IOCTL called\n"); | |
1477 | ||
1478 | switch (iodata.subcmd) { | |
1479 | case AU1200_LCD_SET_SCREEN: | |
1480 | print_dbg("AU1200_LCD_SET_SCREEN\n"); | |
1481 | set_global(cmd, &iodata.global); | |
1482 | break; | |
1483 | ||
1484 | case AU1200_LCD_GET_SCREEN: | |
1485 | print_dbg("AU1200_LCD_GET_SCREEN\n"); | |
1486 | get_global(cmd, &iodata.global); | |
1487 | break; | |
1488 | ||
1489 | case AU1200_LCD_SET_WINDOW: | |
1490 | print_dbg("AU1200_LCD_SET_WINDOW\n"); | |
1491 | set_window(plane, &iodata.window); | |
1492 | break; | |
1493 | ||
1494 | case AU1200_LCD_GET_WINDOW: | |
1495 | print_dbg("AU1200_LCD_GET_WINDOW\n"); | |
1496 | get_window(plane, &iodata.window); | |
1497 | break; | |
1498 | ||
1499 | case AU1200_LCD_SET_PANEL: | |
1500 | print_dbg("AU1200_LCD_SET_PANEL\n"); | |
1501 | if ((iodata.global.panel_choice >= 0) && | |
1502 | (iodata.global.panel_choice < | |
1503 | NUM_PANELS)) | |
1504 | { | |
1505 | struct panel_settings *newpanel; | |
1506 | panel_index = iodata.global.panel_choice; | |
1507 | newpanel = &known_lcd_panels[panel_index]; | |
1508 | au1200_setpanel(newpanel); | |
1509 | } | |
1510 | break; | |
1511 | ||
1512 | case AU1200_LCD_GET_PANEL: | |
1513 | print_dbg("AU1200_LCD_GET_PANEL\n"); | |
1514 | iodata.global.panel_choice = panel_index; | |
1515 | break; | |
1516 | ||
1517 | default: | |
1518 | return -EINVAL; | |
1519 | } | |
1520 | ||
1521 | val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata)); | |
1522 | if (val) { | |
1523 | print_dbg("error: could not copy %d bytes\n", val); | |
1524 | return -EFAULT; | |
1525 | } | |
1526 | } | |
1527 | ||
1528 | return 0; | |
1529 | } | |
1530 | ||
1531 | ||
1532 | static struct fb_ops au1200fb_fb_ops = { | |
1533 | .owner = THIS_MODULE, | |
1534 | .fb_check_var = au1200fb_fb_check_var, | |
1535 | .fb_set_par = au1200fb_fb_set_par, | |
1536 | .fb_setcolreg = au1200fb_fb_setcolreg, | |
1537 | .fb_blank = au1200fb_fb_blank, | |
1538 | .fb_fillrect = cfb_fillrect, | |
1539 | .fb_copyarea = cfb_copyarea, | |
1540 | .fb_imageblit = cfb_imageblit, | |
1541 | .fb_sync = NULL, | |
1542 | .fb_ioctl = au1200fb_ioctl, | |
1543 | .fb_mmap = au1200fb_fb_mmap, | |
1544 | }; | |
1545 | ||
1546 | /*-------------------------------------------------------------------------*/ | |
1547 | ||
7d12e780 | 1548 | static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id) |
f95ec3c6 RB |
1549 | { |
1550 | /* Nothing to do for now, just clear any pending interrupt */ | |
1551 | lcd->intstatus = lcd->intstatus; | |
1552 | au_sync(); | |
1553 | ||
1554 | return IRQ_HANDLED; | |
1555 | } | |
1556 | ||
1557 | /*-------------------------------------------------------------------------*/ | |
1558 | ||
1559 | /* AU1200 LCD device probe helpers */ | |
1560 | ||
1561 | static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev) | |
1562 | { | |
1563 | struct fb_info *fbi = &fbdev->fb_info; | |
1564 | int bpp; | |
1565 | ||
1566 | memset(fbi, 0, sizeof(struct fb_info)); | |
1567 | fbi->fbops = &au1200fb_fb_ops; | |
1568 | ||
1569 | bpp = winbpp(win->w[fbdev->plane].mode_winctrl1); | |
1570 | ||
1571 | /* Copy monitor specs from panel data */ | |
1572 | /* fixme: we're setting up LCD controller windows, so these dont give a | |
1573 | damn as to what the monitor specs are (the panel itself does, but that | |
1574 | isnt done here...so maybe need a generic catchall monitor setting??? */ | |
1575 | memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs)); | |
1576 | ||
1577 | /* We first try the user mode passed in argument. If that failed, | |
1578 | * or if no one has been specified, we default to the first mode of the | |
1579 | * panel list. Note that after this call, var data will be set */ | |
1580 | if (!fb_find_mode(&fbi->var, | |
1581 | fbi, | |
1582 | NULL, /* drv_info.opt_mode, */ | |
1583 | fbi->monspecs.modedb, | |
1584 | fbi->monspecs.modedb_len, | |
1585 | fbi->monspecs.modedb, | |
1586 | bpp)) { | |
1587 | ||
1588 | print_err("Cannot find valid mode for panel %s", panel->name); | |
1589 | return -EFAULT; | |
1590 | } | |
1591 | ||
1592 | fbi->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL); | |
1593 | if (!fbi->pseudo_palette) { | |
1594 | return -ENOMEM; | |
1595 | } | |
1596 | memset(fbi->pseudo_palette, 0, sizeof(u32) * 16); | |
1597 | ||
1598 | if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { | |
1599 | print_err("Fail to allocate colormap (%d entries)", | |
1600 | AU1200_LCD_NBR_PALETTE_ENTRIES); | |
1601 | kfree(fbi->pseudo_palette); | |
1602 | return -EFAULT; | |
1603 | } | |
1604 | ||
1605 | strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id)); | |
1606 | fbi->fix.smem_start = fbdev->fb_phys; | |
1607 | fbi->fix.smem_len = fbdev->fb_len; | |
1608 | fbi->fix.type = FB_TYPE_PACKED_PIXELS; | |
1609 | fbi->fix.xpanstep = 0; | |
1610 | fbi->fix.ypanstep = 0; | |
1611 | fbi->fix.mmio_start = 0; | |
1612 | fbi->fix.mmio_len = 0; | |
1613 | fbi->fix.accel = FB_ACCEL_NONE; | |
1614 | ||
1615 | fbi->screen_base = (char __iomem *) fbdev->fb_mem; | |
1616 | ||
1617 | au1200fb_update_fbinfo(fbi); | |
1618 | ||
1619 | return 0; | |
1620 | } | |
1621 | ||
1622 | /*-------------------------------------------------------------------------*/ | |
1623 | ||
1624 | /* AU1200 LCD controller device driver */ | |
1625 | ||
1626 | static int au1200fb_drv_probe(struct device *dev) | |
1627 | { | |
1628 | struct au1200fb_device *fbdev; | |
1629 | unsigned long page; | |
1630 | int bpp, plane, ret; | |
1631 | ||
1632 | if (!dev) | |
1633 | return -EINVAL; | |
1634 | ||
1635 | for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) { | |
1636 | bpp = winbpp(win->w[plane].mode_winctrl1); | |
1637 | if (win->w[plane].xres == 0) | |
1638 | win->w[plane].xres = panel->Xres; | |
1639 | if (win->w[plane].yres == 0) | |
1640 | win->w[plane].yres = panel->Yres; | |
1641 | ||
1642 | fbdev = &_au1200fb_devices[plane]; | |
1643 | memset(fbdev, 0, sizeof(struct au1200fb_device)); | |
1644 | fbdev->plane = plane; | |
1645 | ||
1646 | /* Allocate the framebuffer to the maximum screen size */ | |
1647 | fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8; | |
1648 | ||
1649 | fbdev->fb_mem = dma_alloc_noncoherent(dev, | |
1650 | PAGE_ALIGN(fbdev->fb_len), | |
1651 | &fbdev->fb_phys, GFP_KERNEL); | |
1652 | if (!fbdev->fb_mem) { | |
1653 | print_err("fail to allocate frambuffer (size: %dK))", | |
1654 | fbdev->fb_len / 1024); | |
1655 | return -ENOMEM; | |
1656 | } | |
1657 | ||
1658 | /* | |
1659 | * Set page reserved so that mmap will work. This is necessary | |
1660 | * since we'll be remapping normal memory. | |
1661 | */ | |
1662 | for (page = (unsigned long)fbdev->fb_phys; | |
1663 | page < PAGE_ALIGN((unsigned long)fbdev->fb_phys + | |
1664 | fbdev->fb_len); | |
1665 | page += PAGE_SIZE) { | |
1666 | SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */ | |
1667 | } | |
1668 | print_dbg("Framebuffer memory map at %p", fbdev->fb_mem); | |
1669 | print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024); | |
1670 | ||
1671 | /* Init FB data */ | |
1672 | if ((ret = au1200fb_init_fbinfo(fbdev)) < 0) | |
1673 | goto failed; | |
1674 | ||
1675 | /* Register new framebuffer */ | |
1676 | if ((ret = register_framebuffer(&fbdev->fb_info)) < 0) { | |
1677 | print_err("cannot register new framebuffer"); | |
1678 | goto failed; | |
1679 | } | |
1680 | ||
1681 | au1200fb_fb_set_par(&fbdev->fb_info); | |
1682 | ||
1683 | #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO) | |
1684 | if (plane == 0) | |
1685 | if (fb_prepare_logo(&fbdev->fb_info, FB_ROTATE_UR)) { | |
1686 | /* Start display and show logo on boot */ | |
1687 | fb_set_cmap(&fbdev->fb_info.cmap, | |
1688 | &fbdev->fb_info); | |
1689 | ||
1690 | fb_show_logo(&fbdev->fb_info, FB_ROTATE_UR); | |
1691 | } | |
1692 | #endif | |
1693 | } | |
1694 | ||
1695 | /* Now hook interrupt too */ | |
1696 | if ((ret = request_irq(AU1200_LCD_INT, au1200fb_handle_irq, | |
63a43399 | 1697 | IRQF_DISABLED | IRQF_SHARED, "lcd", (void *)dev)) < 0) { |
f95ec3c6 RB |
1698 | print_err("fail to request interrupt line %d (err: %d)", |
1699 | AU1200_LCD_INT, ret); | |
1700 | goto failed; | |
1701 | } | |
1702 | ||
1703 | return 0; | |
1704 | ||
1705 | failed: | |
1706 | /* NOTE: This only does the current plane/window that failed; others are still active */ | |
1707 | if (fbdev->fb_mem) | |
1708 | dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len), | |
1709 | fbdev->fb_mem, fbdev->fb_phys); | |
1710 | if (fbdev->fb_info.cmap.len != 0) | |
1711 | fb_dealloc_cmap(&fbdev->fb_info.cmap); | |
1712 | if (fbdev->fb_info.pseudo_palette) | |
1713 | kfree(fbdev->fb_info.pseudo_palette); | |
1714 | if (plane == 0) | |
1715 | free_irq(AU1200_LCD_INT, (void*)dev); | |
1716 | return ret; | |
1717 | } | |
1718 | ||
1719 | static int au1200fb_drv_remove(struct device *dev) | |
1720 | { | |
1721 | struct au1200fb_device *fbdev; | |
1722 | int plane; | |
1723 | ||
1724 | if (!dev) | |
1725 | return -ENODEV; | |
1726 | ||
1727 | /* Turn off the panel */ | |
1728 | au1200_setpanel(NULL); | |
1729 | ||
1730 | for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) | |
1731 | { | |
1732 | fbdev = &_au1200fb_devices[plane]; | |
1733 | ||
1734 | /* Clean up all probe data */ | |
1735 | unregister_framebuffer(&fbdev->fb_info); | |
1736 | if (fbdev->fb_mem) | |
1737 | dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len), | |
1738 | fbdev->fb_mem, fbdev->fb_phys); | |
1739 | if (fbdev->fb_info.cmap.len != 0) | |
1740 | fb_dealloc_cmap(&fbdev->fb_info.cmap); | |
1741 | if (fbdev->fb_info.pseudo_palette) | |
1742 | kfree(fbdev->fb_info.pseudo_palette); | |
1743 | } | |
1744 | ||
1745 | free_irq(AU1200_LCD_INT, (void *)dev); | |
1746 | ||
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | #ifdef CONFIG_PM | |
1751 | static int au1200fb_drv_suspend(struct device *dev, u32 state, u32 level) | |
1752 | { | |
1753 | /* TODO */ | |
1754 | return 0; | |
1755 | } | |
1756 | ||
1757 | static int au1200fb_drv_resume(struct device *dev, u32 level) | |
1758 | { | |
1759 | /* TODO */ | |
1760 | return 0; | |
1761 | } | |
1762 | #endif /* CONFIG_PM */ | |
1763 | ||
1764 | static struct device_driver au1200fb_driver = { | |
1765 | .name = "au1200-lcd", | |
1766 | .bus = &platform_bus_type, | |
1767 | .probe = au1200fb_drv_probe, | |
1768 | .remove = au1200fb_drv_remove, | |
1769 | #ifdef CONFIG_PM | |
1770 | .suspend = au1200fb_drv_suspend, | |
1771 | .resume = au1200fb_drv_resume, | |
1772 | #endif | |
1773 | }; | |
1774 | ||
1775 | /*-------------------------------------------------------------------------*/ | |
1776 | ||
1777 | /* Kernel driver */ | |
1778 | ||
1779 | static 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 | ||
1835 | #ifdef CONFIG_PM | |
1836 | static int au1200fb_pm_callback(au1xxx_power_dev_t *dev, | |
1837 | au1xxx_request_t request, void *data) { | |
1838 | int retval = -1; | |
1839 | unsigned int d = 0; | |
1840 | unsigned int brightness = 0; | |
1841 | ||
1842 | if (request == AU1XXX_PM_SLEEP) { | |
1843 | board_au1200fb_panel_shutdown(); | |
1844 | } | |
1845 | else if (request == AU1XXX_PM_WAKEUP) { | |
1846 | if(dev->prev_state == SLEEP_STATE) | |
1847 | { | |
1848 | int plane; | |
1849 | au1200_setpanel(panel); | |
1850 | for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) { | |
1851 | struct au1200fb_device *fbdev; | |
1852 | fbdev = &_au1200fb_devices[plane]; | |
1853 | au1200fb_fb_set_par(&fbdev->fb_info); | |
1854 | } | |
1855 | } | |
1856 | ||
1857 | d = *((unsigned int*)data); | |
1858 | if(d <=10) brightness = 26; | |
1859 | else if(d<=20) brightness = 51; | |
1860 | else if(d<=30) brightness = 77; | |
1861 | else if(d<=40) brightness = 102; | |
1862 | else if(d<=50) brightness = 128; | |
1863 | else if(d<=60) brightness = 153; | |
1864 | else if(d<=70) brightness = 179; | |
1865 | else if(d<=80) brightness = 204; | |
1866 | else if(d<=90) brightness = 230; | |
1867 | else brightness = 255; | |
1868 | set_brightness(brightness); | |
1869 | } else if (request == AU1XXX_PM_GETSTATUS) { | |
1870 | return dev->cur_state; | |
1871 | } else if (request == AU1XXX_PM_ACCESS) { | |
1872 | if (dev->cur_state != SLEEP_STATE) | |
1873 | return retval; | |
1874 | else { | |
1875 | au1200_setpanel(panel); | |
1876 | } | |
1877 | } else if (request == AU1XXX_PM_IDLE) { | |
1878 | } else if (request == AU1XXX_PM_CLEANUP) { | |
1879 | } | |
1880 | ||
1881 | return retval; | |
1882 | } | |
1883 | #endif | |
1884 | ||
1885 | static int __init au1200fb_init(void) | |
1886 | { | |
1887 | print_info("" DRIVER_DESC ""); | |
1888 | ||
1889 | /* Setup driver with options */ | |
1890 | au1200fb_setup(); | |
1891 | ||
1892 | /* Point to the panel selected */ | |
1893 | panel = &known_lcd_panels[panel_index]; | |
1894 | win = &windows[window_index]; | |
1895 | ||
1896 | printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name); | |
1897 | printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name); | |
1898 | ||
1899 | /* Kickstart the panel, the framebuffers/windows come soon enough */ | |
1900 | au1200_setpanel(panel); | |
1901 | ||
1902 | #ifdef CONFIG_PM | |
1903 | LCD_pm_dev = new_au1xxx_power_device("LCD", &au1200fb_pm_callback, NULL); | |
1904 | if ( LCD_pm_dev == NULL) | |
1905 | printk(KERN_INFO "Unable to create a power management device entry for the au1200fb.\n"); | |
1906 | else | |
1907 | printk(KERN_INFO "Power management device entry for the au1200fb loaded.\n"); | |
1908 | #endif | |
1909 | ||
1910 | return driver_register(&au1200fb_driver); | |
1911 | } | |
1912 | ||
1913 | static void __exit au1200fb_cleanup(void) | |
1914 | { | |
1915 | driver_unregister(&au1200fb_driver); | |
1916 | } | |
1917 | ||
1918 | module_init(au1200fb_init); | |
1919 | module_exit(au1200fb_cleanup); | |
1920 | ||
1921 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1922 | MODULE_LICENSE("GPL"); |