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d7edf479 WZ |
1 | /* |
2 | * Silicon Motion SM7XX frame buffer device | |
3 | * | |
4 | * Copyright (C) 2006 Silicon Motion Technology Corp. | |
5 | * Authors: Ge Wang, gewang@siliconmotion.com | |
6 | * Boyod boyod.yang@siliconmotion.com.cn | |
7 | * | |
8 | * Copyright (C) 2009 Lemote, Inc. | |
f7a904df | 9 | * Author: Wu Zhangjin, wuzhangjin@gmail.com |
d7edf479 WZ |
10 | * |
11 | * This file is subject to the terms and conditions of the GNU General Public | |
12 | * License. See the file COPYING in the main directory of this archive for | |
13 | * more details. | |
14 | * | |
15 | * Version 0.10.26192.21.01 | |
16 | * - Add PowerPC/Big endian support | |
17 | * - Add 2D support for Lynx | |
18 | * - Verified on2.6.19.2 Boyod.yang <boyod.yang@siliconmotion.com.cn> | |
19 | * | |
20 | * Version 0.09.2621.00.01 | |
21 | * - Only support Linux Kernel's version 2.6.21. | |
22 | * Boyod.yang <boyod.yang@siliconmotion.com.cn> | |
23 | * | |
24 | * Version 0.09 | |
25 | * - Only support Linux Kernel's version 2.6.12. | |
26 | * Boyod.yang <boyod.yang@siliconmotion.com.cn> | |
27 | */ | |
28 | ||
29 | #ifndef __KERNEL__ | |
30 | #define __KERNEL__ | |
31 | #endif | |
32 | ||
33 | #include <linux/io.h> | |
34 | #include <linux/fb.h> | |
35 | #include <linux/pci.h> | |
36 | #include <linux/init.h> | |
5a0e3ad6 | 37 | #include <linux/slab.h> |
d7edf479 WZ |
38 | #include <linux/uaccess.h> |
39 | #include <linux/console.h> | |
40 | #include <linux/screen_info.h> | |
41 | ||
42 | #ifdef CONFIG_PM | |
43 | #include <linux/pm.h> | |
44 | #endif | |
45 | ||
46 | struct screen_info smtc_screen_info; | |
47 | ||
48 | #include "smtcfb.h" | |
d7edf479 WZ |
49 | |
50 | #ifdef DEBUG | |
51 | #define smdbg(format, arg...) printk(KERN_DEBUG format , ## arg) | |
52 | #else | |
53 | #define smdbg(format, arg...) | |
54 | #endif | |
55 | ||
56 | /* | |
57 | * Private structure | |
58 | */ | |
59 | struct smtcfb_info { | |
60 | /* | |
61 | * The following is a pointer to be passed into the | |
62 | * functions below. The modules outside the main | |
63 | * voyager.c driver have no knowledge as to what | |
64 | * is within this structure. | |
65 | */ | |
66 | struct fb_info fb; | |
67 | struct display_switch *dispsw; | |
68 | struct pci_dev *dev; | |
69 | signed int currcon; | |
70 | ||
71 | struct { | |
72 | u8 red, green, blue; | |
73 | } palette[NR_RGB]; | |
74 | ||
75 | u_int palette_size; | |
76 | }; | |
77 | ||
78 | struct par_info { | |
79 | /* | |
80 | * Hardware | |
81 | */ | |
82 | u16 chipID; | |
83 | unsigned char __iomem *m_pMMIO; | |
84 | char __iomem *m_pLFB; | |
85 | char *m_pDPR; | |
86 | char *m_pVPR; | |
87 | char *m_pCPR; | |
88 | ||
89 | u_int width; | |
90 | u_int height; | |
91 | u_int hz; | |
92 | u_long BaseAddressInVRAM; | |
93 | u8 chipRevID; | |
94 | }; | |
95 | ||
96 | struct vesa_mode_table { | |
97 | char mode_index[6]; | |
98 | u16 lfb_width; | |
99 | u16 lfb_height; | |
100 | u16 lfb_depth; | |
101 | }; | |
102 | ||
103 | static struct vesa_mode_table vesa_mode[] = { | |
104 | {"0x301", 640, 480, 8}, | |
105 | {"0x303", 800, 600, 8}, | |
106 | {"0x305", 1024, 768, 8}, | |
107 | {"0x307", 1280, 1024, 8}, | |
108 | ||
109 | {"0x311", 640, 480, 16}, | |
110 | {"0x314", 800, 600, 16}, | |
111 | {"0x317", 1024, 768, 16}, | |
112 | {"0x31A", 1280, 1024, 16}, | |
113 | ||
114 | {"0x312", 640, 480, 24}, | |
115 | {"0x315", 800, 600, 24}, | |
116 | {"0x318", 1024, 768, 24}, | |
117 | {"0x31B", 1280, 1024, 24}, | |
118 | }; | |
119 | ||
120 | char __iomem *smtc_RegBaseAddress; /* Memory Map IO starting address */ | |
121 | char __iomem *smtc_VRAMBaseAddress; /* video memory starting address */ | |
122 | ||
d7edf479 WZ |
123 | static u32 colreg[17]; |
124 | static struct par_info hw; /* hardware information */ | |
125 | ||
126 | u16 smtc_ChipIDs[] = { | |
127 | 0x710, | |
128 | 0x712, | |
129 | 0x720 | |
130 | }; | |
131 | ||
132 | #define numSMTCchipIDs (sizeof(smtc_ChipIDs) / sizeof(u16)) | |
133 | ||
d7edf479 WZ |
134 | static void sm712_set_timing(struct smtcfb_info *sfb, |
135 | struct par_info *ppar_info) | |
136 | { | |
137 | int i = 0, j = 0; | |
138 | u32 m_nScreenStride; | |
139 | ||
140 | smdbg("\nppar_info->width = %d ppar_info->height = %d" | |
141 | "sfb->fb.var.bits_per_pixel = %d ppar_info->hz = %d\n", | |
142 | ppar_info->width, ppar_info->height, | |
143 | sfb->fb.var.bits_per_pixel, ppar_info->hz); | |
144 | ||
145 | for (j = 0; j < numVGAModes; j++) { | |
146 | if (VGAMode[j].mmSizeX == ppar_info->width && | |
147 | VGAMode[j].mmSizeY == ppar_info->height && | |
148 | VGAMode[j].bpp == sfb->fb.var.bits_per_pixel && | |
149 | VGAMode[j].hz == ppar_info->hz) { | |
150 | ||
151 | smdbg("\nVGAMode[j].mmSizeX = %d VGAMode[j].mmSizeY =" | |
152 | "%d VGAMode[j].bpp = %d" | |
153 | "VGAMode[j].hz=%d\n", | |
154 | VGAMode[j].mmSizeX, VGAMode[j].mmSizeY, | |
155 | VGAMode[j].bpp, VGAMode[j].hz); | |
156 | ||
157 | smdbg("VGAMode index=%d\n", j); | |
158 | ||
159 | smtc_mmiowb(0x0, 0x3c6); | |
160 | ||
161 | smtc_seqw(0, 0x1); | |
162 | ||
163 | smtc_mmiowb(VGAMode[j].Init_MISC, 0x3c2); | |
164 | ||
165 | /* init SEQ register SR00 - SR04 */ | |
166 | for (i = 0; i < SIZE_SR00_SR04; i++) | |
167 | smtc_seqw(i, VGAMode[j].Init_SR00_SR04[i]); | |
168 | ||
169 | /* init SEQ register SR10 - SR24 */ | |
170 | for (i = 0; i < SIZE_SR10_SR24; i++) | |
171 | smtc_seqw(i + 0x10, | |
172 | VGAMode[j].Init_SR10_SR24[i]); | |
173 | ||
174 | /* init SEQ register SR30 - SR75 */ | |
175 | for (i = 0; i < SIZE_SR30_SR75; i++) | |
176 | if (((i + 0x30) != 0x62) \ | |
177 | && ((i + 0x30) != 0x6a) \ | |
178 | && ((i + 0x30) != 0x6b)) | |
179 | smtc_seqw(i + 0x30, | |
180 | VGAMode[j].Init_SR30_SR75[i]); | |
181 | ||
182 | /* init SEQ register SR80 - SR93 */ | |
183 | for (i = 0; i < SIZE_SR80_SR93; i++) | |
184 | smtc_seqw(i + 0x80, | |
185 | VGAMode[j].Init_SR80_SR93[i]); | |
186 | ||
187 | /* init SEQ register SRA0 - SRAF */ | |
188 | for (i = 0; i < SIZE_SRA0_SRAF; i++) | |
189 | smtc_seqw(i + 0xa0, | |
190 | VGAMode[j].Init_SRA0_SRAF[i]); | |
191 | ||
192 | /* init Graphic register GR00 - GR08 */ | |
193 | for (i = 0; i < SIZE_GR00_GR08; i++) | |
194 | smtc_grphw(i, VGAMode[j].Init_GR00_GR08[i]); | |
195 | ||
196 | /* init Attribute register AR00 - AR14 */ | |
197 | for (i = 0; i < SIZE_AR00_AR14; i++) | |
198 | smtc_attrw(i, VGAMode[j].Init_AR00_AR14[i]); | |
199 | ||
200 | /* init CRTC register CR00 - CR18 */ | |
201 | for (i = 0; i < SIZE_CR00_CR18; i++) | |
202 | smtc_crtcw(i, VGAMode[j].Init_CR00_CR18[i]); | |
203 | ||
204 | /* init CRTC register CR30 - CR4D */ | |
205 | for (i = 0; i < SIZE_CR30_CR4D; i++) | |
206 | smtc_crtcw(i + 0x30, | |
207 | VGAMode[j].Init_CR30_CR4D[i]); | |
208 | ||
209 | /* init CRTC register CR90 - CRA7 */ | |
210 | for (i = 0; i < SIZE_CR90_CRA7; i++) | |
211 | smtc_crtcw(i + 0x90, | |
212 | VGAMode[j].Init_CR90_CRA7[i]); | |
213 | } | |
214 | } | |
215 | smtc_mmiowb(0x67, 0x3c2); | |
216 | ||
217 | /* set VPR registers */ | |
218 | writel(0x0, ppar_info->m_pVPR + 0x0C); | |
219 | writel(0x0, ppar_info->m_pVPR + 0x40); | |
220 | ||
221 | /* set data width */ | |
222 | m_nScreenStride = | |
223 | (ppar_info->width * sfb->fb.var.bits_per_pixel) / 64; | |
224 | switch (sfb->fb.var.bits_per_pixel) { | |
225 | case 8: | |
226 | writel(0x0, ppar_info->m_pVPR + 0x0); | |
227 | break; | |
228 | case 16: | |
229 | writel(0x00020000, ppar_info->m_pVPR + 0x0); | |
230 | break; | |
231 | case 24: | |
232 | writel(0x00040000, ppar_info->m_pVPR + 0x0); | |
233 | break; | |
234 | case 32: | |
235 | writel(0x00030000, ppar_info->m_pVPR + 0x0); | |
236 | break; | |
237 | } | |
238 | writel((u32) (((m_nScreenStride + 2) << 16) | m_nScreenStride), | |
239 | ppar_info->m_pVPR + 0x10); | |
240 | ||
241 | } | |
242 | ||
243 | static void sm712_setpalette(int regno, unsigned red, unsigned green, | |
244 | unsigned blue, struct fb_info *info) | |
245 | { | |
246 | struct par_info *cur_par = (struct par_info *)info->par; | |
247 | ||
248 | if (cur_par->BaseAddressInVRAM) | |
249 | /* | |
250 | * second display palette for dual head. Enable CRT RAM, 6-bit | |
251 | * RAM | |
252 | */ | |
253 | smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x20); | |
254 | else | |
255 | /* primary display palette. Enable LCD RAM only, 6-bit RAM */ | |
256 | smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x10); | |
257 | smtc_mmiowb(regno, dac_reg); | |
258 | smtc_mmiowb(red >> 10, dac_val); | |
259 | smtc_mmiowb(green >> 10, dac_val); | |
260 | smtc_mmiowb(blue >> 10, dac_val); | |
261 | } | |
262 | ||
263 | static void smtc_set_timing(struct smtcfb_info *sfb, struct par_info | |
264 | *ppar_info) | |
265 | { | |
266 | switch (ppar_info->chipID) { | |
267 | case 0x710: | |
268 | case 0x712: | |
269 | case 0x720: | |
270 | sm712_set_timing(sfb, ppar_info); | |
271 | break; | |
272 | } | |
273 | } | |
274 | ||
275 | static struct fb_var_screeninfo smtcfb_var = { | |
276 | .xres = 1024, | |
277 | .yres = 600, | |
278 | .xres_virtual = 1024, | |
279 | .yres_virtual = 600, | |
280 | .bits_per_pixel = 16, | |
281 | .red = {16, 8, 0}, | |
282 | .green = {8, 8, 0}, | |
283 | .blue = {0, 8, 0}, | |
284 | .activate = FB_ACTIVATE_NOW, | |
285 | .height = -1, | |
286 | .width = -1, | |
287 | .vmode = FB_VMODE_NONINTERLACED, | |
288 | }; | |
289 | ||
290 | static struct fb_fix_screeninfo smtcfb_fix = { | |
291 | .id = "sm712fb", | |
292 | .type = FB_TYPE_PACKED_PIXELS, | |
293 | .visual = FB_VISUAL_TRUECOLOR, | |
294 | .line_length = 800 * 3, | |
295 | .accel = FB_ACCEL_SMI_LYNX, | |
296 | }; | |
297 | ||
298 | /* chan_to_field | |
299 | * | |
300 | * convert a colour value into a field position | |
301 | * | |
302 | * from pxafb.c | |
303 | */ | |
304 | ||
305 | static inline unsigned int chan_to_field(unsigned int chan, | |
306 | struct fb_bitfield *bf) | |
307 | { | |
308 | chan &= 0xffff; | |
309 | chan >>= 16 - bf->length; | |
310 | return chan << bf->offset; | |
311 | } | |
312 | ||
3af80573 | 313 | static int cfb_blank(int blank_mode, struct fb_info *info) |
d7edf479 WZ |
314 | { |
315 | /* clear DPMS setting */ | |
316 | switch (blank_mode) { | |
317 | case FB_BLANK_UNBLANK: | |
318 | /* Screen On: HSync: On, VSync : On */ | |
319 | smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20))); | |
320 | smtc_seqw(0x6a, 0x16); | |
321 | smtc_seqw(0x6b, 0x02); | |
322 | smtc_seqw(0x21, (smtc_seqr(0x21) & 0x77)); | |
323 | smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30))); | |
324 | smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0))); | |
325 | smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01)); | |
326 | smtc_seqw(0x31, (smtc_seqr(0x31) | 0x03)); | |
327 | break; | |
328 | case FB_BLANK_NORMAL: | |
329 | /* Screen Off: HSync: On, VSync : On Soft blank */ | |
330 | smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20))); | |
331 | smtc_seqw(0x6a, 0x16); | |
332 | smtc_seqw(0x6b, 0x02); | |
333 | smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30))); | |
334 | smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0))); | |
335 | smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01)); | |
336 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); | |
337 | break; | |
338 | case FB_BLANK_VSYNC_SUSPEND: | |
339 | /* Screen On: HSync: On, VSync : Off */ | |
340 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); | |
341 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); | |
342 | smtc_seqw(0x6a, 0x0c); | |
343 | smtc_seqw(0x6b, 0x02); | |
344 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); | |
345 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x20)); | |
346 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0x20)); | |
347 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); | |
348 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); | |
349 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); | |
350 | break; | |
351 | case FB_BLANK_HSYNC_SUSPEND: | |
352 | /* Screen On: HSync: Off, VSync : On */ | |
353 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); | |
354 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); | |
355 | smtc_seqw(0x6a, 0x0c); | |
356 | smtc_seqw(0x6b, 0x02); | |
357 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); | |
358 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x10)); | |
359 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8)); | |
360 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); | |
361 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); | |
362 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); | |
363 | break; | |
364 | case FB_BLANK_POWERDOWN: | |
365 | /* Screen On: HSync: Off, VSync : Off */ | |
366 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); | |
367 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); | |
368 | smtc_seqw(0x6a, 0x0c); | |
369 | smtc_seqw(0x6b, 0x02); | |
370 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); | |
371 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x30)); | |
372 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8)); | |
373 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); | |
374 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); | |
375 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); | |
376 | break; | |
377 | default: | |
378 | return -EINVAL; | |
379 | } | |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
384 | static int smtc_setcolreg(unsigned regno, unsigned red, unsigned green, | |
385 | unsigned blue, unsigned trans, struct fb_info *info) | |
386 | { | |
387 | struct smtcfb_info *sfb = (struct smtcfb_info *)info; | |
388 | u32 val; | |
389 | ||
390 | if (regno > 255) | |
391 | return 1; | |
392 | ||
393 | switch (sfb->fb.fix.visual) { | |
394 | case FB_VISUAL_DIRECTCOLOR: | |
395 | case FB_VISUAL_TRUECOLOR: | |
396 | /* | |
397 | * 16/32 bit true-colour, use pseuo-palette for 16 base color | |
398 | */ | |
399 | if (regno < 16) { | |
400 | if (sfb->fb.var.bits_per_pixel == 16) { | |
401 | u32 *pal = sfb->fb.pseudo_palette; | |
402 | val = chan_to_field(red, &sfb->fb.var.red); | |
403 | val |= chan_to_field(green, \ | |
404 | &sfb->fb.var.green); | |
405 | val |= chan_to_field(blue, &sfb->fb.var.blue); | |
406 | #ifdef __BIG_ENDIAN | |
407 | pal[regno] = | |
408 | ((red & 0xf800) >> 8) | | |
409 | ((green & 0xe000) >> 13) | | |
410 | ((green & 0x1c00) << 3) | | |
411 | ((blue & 0xf800) >> 3); | |
412 | #else | |
413 | pal[regno] = val; | |
414 | #endif | |
415 | } else { | |
416 | u32 *pal = sfb->fb.pseudo_palette; | |
417 | val = chan_to_field(red, &sfb->fb.var.red); | |
418 | val |= chan_to_field(green, \ | |
419 | &sfb->fb.var.green); | |
420 | val |= chan_to_field(blue, &sfb->fb.var.blue); | |
421 | #ifdef __BIG_ENDIAN | |
422 | val = | |
423 | (val & 0xff00ff00 >> 8) | | |
424 | (val & 0x00ff00ff << 8); | |
425 | #endif | |
426 | pal[regno] = val; | |
427 | } | |
428 | } | |
429 | break; | |
430 | ||
431 | case FB_VISUAL_PSEUDOCOLOR: | |
432 | /* color depth 8 bit */ | |
433 | sm712_setpalette(regno, red, green, blue, info); | |
434 | break; | |
435 | ||
436 | default: | |
437 | return 1; /* unknown type */ | |
438 | } | |
439 | ||
440 | return 0; | |
441 | ||
442 | } | |
443 | ||
444 | #ifdef __BIG_ENDIAN | |
445 | static ssize_t smtcfb_read(struct fb_info *info, char __user * buf, size_t | |
446 | count, loff_t *ppos) | |
447 | { | |
448 | unsigned long p = *ppos; | |
449 | ||
450 | u32 *buffer, *dst; | |
451 | u32 __iomem *src; | |
452 | int c, i, cnt = 0, err = 0; | |
453 | unsigned long total_size; | |
454 | ||
455 | if (!info || !info->screen_base) | |
456 | return -ENODEV; | |
457 | ||
458 | if (info->state != FBINFO_STATE_RUNNING) | |
459 | return -EPERM; | |
460 | ||
461 | total_size = info->screen_size; | |
462 | ||
463 | if (total_size == 0) | |
464 | total_size = info->fix.smem_len; | |
465 | ||
466 | if (p >= total_size) | |
467 | return 0; | |
468 | ||
469 | if (count >= total_size) | |
470 | count = total_size; | |
471 | ||
472 | if (count + p > total_size) | |
473 | count = total_size - p; | |
474 | ||
475 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); | |
476 | if (!buffer) | |
477 | return -ENOMEM; | |
478 | ||
479 | src = (u32 __iomem *) (info->screen_base + p); | |
480 | ||
481 | if (info->fbops->fb_sync) | |
482 | info->fbops->fb_sync(info); | |
483 | ||
484 | while (count) { | |
485 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; | |
486 | dst = buffer; | |
487 | for (i = c >> 2; i--;) { | |
488 | *dst = fb_readl(src++); | |
489 | *dst = | |
490 | (*dst & 0xff00ff00 >> 8) | | |
491 | (*dst & 0x00ff00ff << 8); | |
492 | dst++; | |
493 | } | |
494 | if (c & 3) { | |
495 | u8 *dst8 = (u8 *) dst; | |
496 | u8 __iomem *src8 = (u8 __iomem *) src; | |
497 | ||
498 | for (i = c & 3; i--;) { | |
499 | if (i & 1) { | |
500 | *dst8++ = fb_readb(++src8); | |
501 | } else { | |
502 | *dst8++ = fb_readb(--src8); | |
503 | src8 += 2; | |
504 | } | |
505 | } | |
506 | src = (u32 __iomem *) src8; | |
507 | } | |
508 | ||
509 | if (copy_to_user(buf, buffer, c)) { | |
510 | err = -EFAULT; | |
511 | break; | |
512 | } | |
513 | *ppos += c; | |
514 | buf += c; | |
515 | cnt += c; | |
516 | count -= c; | |
517 | } | |
518 | ||
519 | kfree(buffer); | |
520 | ||
521 | return (err) ? err : cnt; | |
522 | } | |
523 | ||
524 | static ssize_t | |
525 | smtcfb_write(struct fb_info *info, const char __user *buf, size_t count, | |
526 | loff_t *ppos) | |
527 | { | |
528 | unsigned long p = *ppos; | |
529 | ||
530 | u32 *buffer, *src; | |
531 | u32 __iomem *dst; | |
532 | int c, i, cnt = 0, err = 0; | |
533 | unsigned long total_size; | |
534 | ||
535 | if (!info || !info->screen_base) | |
536 | return -ENODEV; | |
537 | ||
538 | if (info->state != FBINFO_STATE_RUNNING) | |
539 | return -EPERM; | |
540 | ||
541 | total_size = info->screen_size; | |
542 | ||
543 | if (total_size == 0) | |
544 | total_size = info->fix.smem_len; | |
545 | ||
546 | if (p > total_size) | |
547 | return -EFBIG; | |
548 | ||
549 | if (count > total_size) { | |
550 | err = -EFBIG; | |
551 | count = total_size; | |
552 | } | |
553 | ||
554 | if (count + p > total_size) { | |
555 | if (!err) | |
556 | err = -ENOSPC; | |
557 | ||
558 | count = total_size - p; | |
559 | } | |
560 | ||
561 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); | |
562 | if (!buffer) | |
563 | return -ENOMEM; | |
564 | ||
565 | dst = (u32 __iomem *) (info->screen_base + p); | |
566 | ||
567 | if (info->fbops->fb_sync) | |
568 | info->fbops->fb_sync(info); | |
569 | ||
570 | while (count) { | |
571 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; | |
572 | src = buffer; | |
573 | ||
574 | if (copy_from_user(src, buf, c)) { | |
575 | err = -EFAULT; | |
576 | break; | |
577 | } | |
578 | ||
579 | for (i = c >> 2; i--;) { | |
580 | fb_writel((*src & 0xff00ff00 >> 8) | | |
581 | (*src & 0x00ff00ff << 8), dst++); | |
582 | src++; | |
583 | } | |
584 | if (c & 3) { | |
585 | u8 *src8 = (u8 *) src; | |
586 | u8 __iomem *dst8 = (u8 __iomem *) dst; | |
587 | ||
588 | for (i = c & 3; i--;) { | |
589 | if (i & 1) { | |
590 | fb_writeb(*src8++, ++dst8); | |
591 | } else { | |
592 | fb_writeb(*src8++, --dst8); | |
593 | dst8 += 2; | |
594 | } | |
595 | } | |
596 | dst = (u32 __iomem *) dst8; | |
597 | } | |
598 | ||
599 | *ppos += c; | |
600 | buf += c; | |
601 | cnt += c; | |
602 | count -= c; | |
603 | } | |
604 | ||
605 | kfree(buffer); | |
606 | ||
607 | return (cnt) ? cnt : err; | |
608 | } | |
609 | #endif /* ! __BIG_ENDIAN */ | |
610 | ||
d7edf479 WZ |
611 | static struct fb_ops smtcfb_ops = { |
612 | .owner = THIS_MODULE, | |
613 | .fb_setcolreg = smtc_setcolreg, | |
3af80573 WZ |
614 | .fb_blank = cfb_blank, |
615 | .fb_fillrect = cfb_fillrect, | |
616 | .fb_imageblit = cfb_imageblit, | |
617 | .fb_copyarea = cfb_copyarea, | |
d7edf479 WZ |
618 | #ifdef __BIG_ENDIAN |
619 | .fb_read = smtcfb_read, | |
620 | .fb_write = smtcfb_write, | |
621 | #endif | |
622 | ||
623 | }; | |
624 | ||
625 | void smtcfb_setmode(struct smtcfb_info *sfb) | |
626 | { | |
627 | switch (sfb->fb.var.bits_per_pixel) { | |
628 | case 32: | |
629 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; | |
630 | sfb->fb.fix.line_length = sfb->fb.var.xres * 4; | |
631 | sfb->fb.var.red.length = 8; | |
632 | sfb->fb.var.green.length = 8; | |
633 | sfb->fb.var.blue.length = 8; | |
634 | sfb->fb.var.red.offset = 16; | |
635 | sfb->fb.var.green.offset = 8; | |
636 | sfb->fb.var.blue.offset = 0; | |
637 | ||
638 | break; | |
639 | case 8: | |
640 | sfb->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR; | |
641 | sfb->fb.fix.line_length = sfb->fb.var.xres; | |
642 | sfb->fb.var.red.offset = 5; | |
643 | sfb->fb.var.red.length = 3; | |
644 | sfb->fb.var.green.offset = 2; | |
645 | sfb->fb.var.green.length = 3; | |
646 | sfb->fb.var.blue.offset = 0; | |
647 | sfb->fb.var.blue.length = 2; | |
648 | break; | |
649 | case 24: | |
650 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; | |
651 | sfb->fb.fix.line_length = sfb->fb.var.xres * 3; | |
652 | sfb->fb.var.red.length = 8; | |
653 | sfb->fb.var.green.length = 8; | |
654 | sfb->fb.var.blue.length = 8; | |
655 | ||
656 | sfb->fb.var.red.offset = 16; | |
657 | sfb->fb.var.green.offset = 8; | |
658 | sfb->fb.var.blue.offset = 0; | |
659 | ||
660 | break; | |
661 | case 16: | |
662 | default: | |
663 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; | |
664 | sfb->fb.fix.line_length = sfb->fb.var.xres * 2; | |
665 | ||
666 | sfb->fb.var.red.length = 5; | |
667 | sfb->fb.var.green.length = 6; | |
668 | sfb->fb.var.blue.length = 5; | |
669 | ||
670 | sfb->fb.var.red.offset = 11; | |
671 | sfb->fb.var.green.offset = 5; | |
672 | sfb->fb.var.blue.offset = 0; | |
673 | ||
674 | break; | |
675 | } | |
676 | ||
677 | hw.width = sfb->fb.var.xres; | |
678 | hw.height = sfb->fb.var.yres; | |
679 | hw.hz = 60; | |
680 | smtc_set_timing(sfb, &hw); | |
d7edf479 WZ |
681 | } |
682 | ||
683 | /* | |
684 | * Alloc struct smtcfb_info and assign the default value | |
685 | */ | |
686 | static struct smtcfb_info *smtc_alloc_fb_info(struct pci_dev *dev, | |
687 | char *name) | |
688 | { | |
689 | struct smtcfb_info *sfb; | |
690 | ||
691 | sfb = kmalloc(sizeof(struct smtcfb_info), GFP_KERNEL); | |
692 | ||
693 | if (!sfb) | |
694 | return NULL; | |
695 | ||
696 | memset(sfb, 0, sizeof(struct smtcfb_info)); | |
697 | ||
698 | sfb->currcon = -1; | |
699 | sfb->dev = dev; | |
700 | ||
701 | /*** Init sfb->fb with default value ***/ | |
702 | sfb->fb.flags = FBINFO_FLAG_DEFAULT; | |
703 | sfb->fb.fbops = &smtcfb_ops; | |
704 | sfb->fb.var = smtcfb_var; | |
705 | sfb->fb.fix = smtcfb_fix; | |
706 | ||
707 | strcpy(sfb->fb.fix.id, name); | |
708 | ||
709 | sfb->fb.fix.type = FB_TYPE_PACKED_PIXELS; | |
710 | sfb->fb.fix.type_aux = 0; | |
711 | sfb->fb.fix.xpanstep = 0; | |
712 | sfb->fb.fix.ypanstep = 0; | |
713 | sfb->fb.fix.ywrapstep = 0; | |
714 | sfb->fb.fix.accel = FB_ACCEL_SMI_LYNX; | |
715 | ||
716 | sfb->fb.var.nonstd = 0; | |
717 | sfb->fb.var.activate = FB_ACTIVATE_NOW; | |
718 | sfb->fb.var.height = -1; | |
719 | sfb->fb.var.width = -1; | |
720 | /* text mode acceleration */ | |
721 | sfb->fb.var.accel_flags = FB_ACCELF_TEXT; | |
722 | sfb->fb.var.vmode = FB_VMODE_NONINTERLACED; | |
723 | sfb->fb.par = &hw; | |
724 | sfb->fb.pseudo_palette = colreg; | |
725 | ||
726 | return sfb; | |
727 | } | |
728 | ||
729 | /* | |
730 | * Unmap in the memory mapped IO registers | |
731 | */ | |
732 | ||
733 | static void smtc_unmap_mmio(struct smtcfb_info *sfb) | |
734 | { | |
735 | if (sfb && smtc_RegBaseAddress) | |
736 | smtc_RegBaseAddress = NULL; | |
737 | } | |
738 | ||
739 | /* | |
740 | * Map in the screen memory | |
741 | */ | |
742 | ||
743 | static int smtc_map_smem(struct smtcfb_info *sfb, | |
744 | struct pci_dev *dev, u_long smem_len) | |
745 | { | |
746 | if (sfb->fb.var.bits_per_pixel == 32) { | |
747 | #ifdef __BIG_ENDIAN | |
748 | sfb->fb.fix.smem_start = pci_resource_start(dev, 0) | |
749 | + 0x800000; | |
750 | #else | |
751 | sfb->fb.fix.smem_start = pci_resource_start(dev, 0); | |
752 | #endif | |
753 | } else { | |
754 | sfb->fb.fix.smem_start = pci_resource_start(dev, 0); | |
755 | } | |
756 | ||
757 | sfb->fb.fix.smem_len = smem_len; | |
758 | ||
759 | sfb->fb.screen_base = smtc_VRAMBaseAddress; | |
760 | ||
761 | if (!sfb->fb.screen_base) { | |
762 | printk(KERN_INFO "%s: unable to map screen memory\n", | |
763 | sfb->fb.fix.id); | |
764 | return -ENOMEM; | |
765 | } | |
766 | ||
767 | return 0; | |
768 | } | |
769 | ||
770 | /* | |
771 | * Unmap in the screen memory | |
772 | * | |
773 | */ | |
774 | static void smtc_unmap_smem(struct smtcfb_info *sfb) | |
775 | { | |
776 | if (sfb && sfb->fb.screen_base) { | |
777 | iounmap(sfb->fb.screen_base); | |
778 | sfb->fb.screen_base = NULL; | |
779 | } | |
780 | } | |
781 | ||
782 | /* | |
783 | * We need to wake up the LynxEM+, and make sure its in linear memory mode. | |
784 | */ | |
785 | static inline void sm7xx_init_hw(void) | |
786 | { | |
787 | outb_p(0x18, 0x3c4); | |
788 | outb_p(0x11, 0x3c5); | |
789 | } | |
790 | ||
791 | static void smtc_free_fb_info(struct smtcfb_info *sfb) | |
792 | { | |
793 | if (sfb) { | |
794 | fb_alloc_cmap(&sfb->fb.cmap, 0, 0); | |
795 | kfree(sfb); | |
796 | } | |
797 | } | |
798 | ||
799 | /* | |
800 | * sm712vga_setup - process command line options, get vga parameter | |
801 | * @options: string of options | |
802 | * Returns zero. | |
803 | * | |
804 | */ | |
805 | static int __init __maybe_unused sm712vga_setup(char *options) | |
806 | { | |
807 | int index; | |
808 | ||
809 | if (!options || !*options) { | |
810 | smdbg("\n No vga parameter\n"); | |
811 | return -EINVAL; | |
812 | } | |
813 | ||
814 | smtc_screen_info.lfb_width = 0; | |
815 | smtc_screen_info.lfb_height = 0; | |
816 | smtc_screen_info.lfb_depth = 0; | |
817 | ||
818 | smdbg("\nsm712vga_setup = %s\n", options); | |
819 | ||
820 | for (index = 0; | |
821 | index < (sizeof(vesa_mode) / sizeof(struct vesa_mode_table)); | |
822 | index++) { | |
823 | if (strstr(options, vesa_mode[index].mode_index)) { | |
824 | smtc_screen_info.lfb_width = vesa_mode[index].lfb_width; | |
825 | smtc_screen_info.lfb_height = | |
826 | vesa_mode[index].lfb_height; | |
827 | smtc_screen_info.lfb_depth = vesa_mode[index].lfb_depth; | |
828 | return 0; | |
829 | } | |
830 | } | |
831 | ||
832 | return -1; | |
833 | } | |
834 | __setup("vga=", sm712vga_setup); | |
835 | ||
836 | /* Jason (08/13/2009) | |
837 | * Original init function changed to probe method to be used by pci_drv | |
838 | * process used to detect chips replaced with kernel process in pci_drv | |
839 | */ | |
840 | static int __init smtcfb_pci_probe(struct pci_dev *pdev, | |
841 | const struct pci_device_id *ent) | |
842 | { | |
843 | struct smtcfb_info *sfb; | |
844 | u_long smem_size = 0x00800000; /* default 8MB */ | |
845 | char name[16]; | |
846 | int err; | |
847 | unsigned long pFramebufferPhysical; | |
848 | ||
849 | printk(KERN_INFO | |
850 | "Silicon Motion display driver " SMTC_LINUX_FB_VERSION "\n"); | |
851 | ||
852 | err = pci_enable_device(pdev); /* enable SMTC chip */ | |
853 | ||
854 | if (err) | |
855 | return err; | |
856 | err = -ENOMEM; | |
857 | ||
858 | hw.chipID = ent->device; | |
859 | sprintf(name, "sm%Xfb", hw.chipID); | |
860 | ||
861 | sfb = smtc_alloc_fb_info(pdev, name); | |
862 | ||
863 | if (!sfb) | |
864 | goto failed; | |
865 | /* Jason (08/13/2009) | |
866 | * Store fb_info to be further used when suspending and resuming | |
867 | */ | |
868 | pci_set_drvdata(pdev, sfb); | |
869 | ||
870 | sm7xx_init_hw(); | |
871 | ||
872 | /*get mode parameter from smtc_screen_info */ | |
873 | if (smtc_screen_info.lfb_width != 0) { | |
874 | sfb->fb.var.xres = smtc_screen_info.lfb_width; | |
875 | sfb->fb.var.yres = smtc_screen_info.lfb_height; | |
876 | sfb->fb.var.bits_per_pixel = smtc_screen_info.lfb_depth; | |
877 | } else { | |
878 | /* default resolution 1024x600 16bit mode */ | |
879 | sfb->fb.var.xres = SCREEN_X_RES; | |
880 | sfb->fb.var.yres = SCREEN_Y_RES; | |
881 | sfb->fb.var.bits_per_pixel = SCREEN_BPP; | |
882 | } | |
883 | ||
884 | #ifdef __BIG_ENDIAN | |
885 | if (sfb->fb.var.bits_per_pixel == 24) | |
886 | sfb->fb.var.bits_per_pixel = (smtc_screen_info.lfb_depth = 32); | |
887 | #endif | |
888 | /* Map address and memory detection */ | |
889 | pFramebufferPhysical = pci_resource_start(pdev, 0); | |
890 | pci_read_config_byte(pdev, PCI_REVISION_ID, &hw.chipRevID); | |
891 | ||
892 | switch (hw.chipID) { | |
893 | case 0x710: | |
894 | case 0x712: | |
895 | sfb->fb.fix.mmio_start = pFramebufferPhysical + 0x00400000; | |
896 | sfb->fb.fix.mmio_len = 0x00400000; | |
897 | smem_size = SM712_VIDEOMEMORYSIZE; | |
898 | #ifdef __BIG_ENDIAN | |
899 | hw.m_pLFB = (smtc_VRAMBaseAddress = | |
900 | ioremap(pFramebufferPhysical, 0x00c00000)); | |
901 | #else | |
902 | hw.m_pLFB = (smtc_VRAMBaseAddress = | |
903 | ioremap(pFramebufferPhysical, 0x00800000)); | |
904 | #endif | |
905 | hw.m_pMMIO = (smtc_RegBaseAddress = | |
906 | smtc_VRAMBaseAddress + 0x00700000); | |
3af80573 | 907 | hw.m_pDPR = smtc_VRAMBaseAddress + 0x00408000; |
d7edf479 WZ |
908 | hw.m_pVPR = hw.m_pLFB + 0x0040c000; |
909 | #ifdef __BIG_ENDIAN | |
910 | if (sfb->fb.var.bits_per_pixel == 32) { | |
911 | smtc_VRAMBaseAddress += 0x800000; | |
912 | hw.m_pLFB += 0x800000; | |
913 | printk(KERN_INFO | |
914 | "\nsmtc_VRAMBaseAddress=%p hw.m_pLFB=%p\n", | |
915 | smtc_VRAMBaseAddress, hw.m_pLFB); | |
916 | } | |
917 | #endif | |
918 | if (!smtc_RegBaseAddress) { | |
919 | printk(KERN_INFO | |
920 | "%s: unable to map memory mapped IO\n", | |
921 | sfb->fb.fix.id); | |
922 | return -ENOMEM; | |
923 | } | |
924 | ||
925 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ | |
926 | smtc_seqw(0x6a, 0x16); | |
927 | smtc_seqw(0x6b, 0x02); | |
928 | smtc_seqw(0x62, 0x3e); | |
929 | /* enable PCI burst */ | |
930 | smtc_seqw(0x17, 0x20); | |
931 | /* enable word swap */ | |
932 | #ifdef __BIG_ENDIAN | |
933 | if (sfb->fb.var.bits_per_pixel == 32) | |
934 | smtc_seqw(0x17, 0x30); | |
d7edf479 WZ |
935 | #endif |
936 | break; | |
937 | case 0x720: | |
938 | sfb->fb.fix.mmio_start = pFramebufferPhysical; | |
939 | sfb->fb.fix.mmio_len = 0x00200000; | |
940 | smem_size = SM722_VIDEOMEMORYSIZE; | |
3af80573 | 941 | hw.m_pDPR = ioremap(pFramebufferPhysical, 0x00a00000); |
d7edf479 | 942 | hw.m_pLFB = (smtc_VRAMBaseAddress = |
3af80573 | 943 | hw.m_pDPR + 0x00200000); |
d7edf479 | 944 | hw.m_pMMIO = (smtc_RegBaseAddress = |
3af80573 WZ |
945 | hw.m_pDPR + 0x000c0000); |
946 | hw.m_pVPR = hw.m_pDPR + 0x800; | |
d7edf479 WZ |
947 | |
948 | smtc_seqw(0x62, 0xff); | |
949 | smtc_seqw(0x6a, 0x0d); | |
950 | smtc_seqw(0x6b, 0x02); | |
d7edf479 WZ |
951 | break; |
952 | default: | |
953 | printk(KERN_INFO | |
954 | "No valid Silicon Motion display chip was detected!\n"); | |
955 | ||
956 | smtc_free_fb_info(sfb); | |
957 | return err; | |
958 | } | |
959 | ||
960 | /* can support 32 bpp */ | |
961 | if (15 == sfb->fb.var.bits_per_pixel) | |
962 | sfb->fb.var.bits_per_pixel = 16; | |
963 | ||
964 | sfb->fb.var.xres_virtual = sfb->fb.var.xres; | |
965 | sfb->fb.var.yres_virtual = sfb->fb.var.yres; | |
966 | err = smtc_map_smem(sfb, pdev, smem_size); | |
967 | if (err) | |
968 | goto failed; | |
969 | ||
970 | smtcfb_setmode(sfb); | |
971 | /* Primary display starting from 0 postion */ | |
972 | hw.BaseAddressInVRAM = 0; | |
973 | sfb->fb.par = &hw; | |
974 | ||
975 | err = register_framebuffer(&sfb->fb); | |
976 | if (err < 0) | |
977 | goto failed; | |
978 | ||
979 | printk(KERN_INFO "Silicon Motion SM%X Rev%X primary display mode" | |
980 | "%dx%d-%d Init Complete.\n", hw.chipID, hw.chipRevID, | |
981 | sfb->fb.var.xres, sfb->fb.var.yres, | |
982 | sfb->fb.var.bits_per_pixel); | |
983 | ||
984 | return 0; | |
985 | ||
986 | failed: | |
987 | printk(KERN_INFO "Silicon Motion, Inc. primary display init fail\n"); | |
988 | ||
989 | smtc_unmap_smem(sfb); | |
990 | smtc_unmap_mmio(sfb); | |
991 | smtc_free_fb_info(sfb); | |
992 | ||
993 | return err; | |
994 | } | |
995 | ||
996 | ||
997 | /* Jason (08/11/2009) PCI_DRV wrapper essential structs */ | |
13ac58da | 998 | static const struct pci_device_id smtcfb_pci_table[] = { |
d7edf479 WZ |
999 | {0x126f, 0x710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
1000 | {0x126f, 0x712, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1001 | {0x126f, 0x720, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1002 | {0,} | |
1003 | }; | |
1004 | ||
1005 | ||
1006 | /* Jason (08/14/2009) | |
1007 | * do some clean up when the driver module is removed | |
1008 | */ | |
1009 | static void __devexit smtcfb_pci_remove(struct pci_dev *pdev) | |
1010 | { | |
1011 | struct smtcfb_info *sfb; | |
1012 | ||
1013 | sfb = pci_get_drvdata(pdev); | |
1014 | pci_set_drvdata(pdev, NULL); | |
1015 | smtc_unmap_smem(sfb); | |
1016 | smtc_unmap_mmio(sfb); | |
1017 | unregister_framebuffer(&sfb->fb); | |
1018 | smtc_free_fb_info(sfb); | |
1019 | } | |
1020 | ||
1021 | /* Jason (08/14/2009) | |
1022 | * suspend function, called when the suspend event is triggered | |
1023 | */ | |
1024 | static int __maybe_unused smtcfb_suspend(struct pci_dev *pdev, pm_message_t msg) | |
1025 | { | |
1026 | struct smtcfb_info *sfb; | |
1027 | int retv; | |
1028 | ||
1029 | sfb = pci_get_drvdata(pdev); | |
1030 | ||
1031 | /* set the hw in sleep mode use externel clock and self memory refresh | |
1032 | * so that we can turn off internal PLLs later on | |
1033 | */ | |
1034 | smtc_seqw(0x20, (smtc_seqr(0x20) | 0xc0)); | |
1035 | smtc_seqw(0x69, (smtc_seqr(0x69) & 0xf7)); | |
1036 | ||
1037 | switch (msg.event) { | |
1038 | case PM_EVENT_FREEZE: | |
1039 | case PM_EVENT_PRETHAW: | |
1040 | pdev->dev.power.power_state = msg; | |
1041 | return 0; | |
1042 | } | |
1043 | ||
1044 | /* when doing suspend, call fb apis and pci apis */ | |
1045 | if (msg.event == PM_EVENT_SUSPEND) { | |
1046 | acquire_console_sem(); | |
1047 | fb_set_suspend(&sfb->fb, 1); | |
1048 | release_console_sem(); | |
1049 | retv = pci_save_state(pdev); | |
1050 | pci_disable_device(pdev); | |
1051 | retv = pci_choose_state(pdev, msg); | |
1052 | retv = pci_set_power_state(pdev, retv); | |
1053 | } | |
1054 | ||
1055 | pdev->dev.power.power_state = msg; | |
1056 | ||
1057 | /* additionaly turn off all function blocks including internal PLLs */ | |
1058 | smtc_seqw(0x21, 0xff); | |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | ||
1063 | static int __maybe_unused smtcfb_resume(struct pci_dev *pdev) | |
1064 | { | |
1065 | struct smtcfb_info *sfb; | |
1066 | int retv; | |
1067 | ||
1068 | sfb = pci_get_drvdata(pdev); | |
1069 | ||
1070 | /* when resuming, restore pci data and fb cursor */ | |
1071 | if (pdev->dev.power.power_state.event != PM_EVENT_FREEZE) { | |
1072 | retv = pci_set_power_state(pdev, PCI_D0); | |
1073 | retv = pci_restore_state(pdev); | |
1074 | if (pci_enable_device(pdev)) | |
1075 | return -1; | |
1076 | pci_set_master(pdev); | |
1077 | } | |
1078 | ||
1079 | /* reinit hardware */ | |
1080 | sm7xx_init_hw(); | |
1081 | switch (hw.chipID) { | |
1082 | case 0x710: | |
1083 | case 0x712: | |
1084 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ | |
1085 | smtc_seqw(0x6a, 0x16); | |
1086 | smtc_seqw(0x6b, 0x02); | |
1087 | smtc_seqw(0x62, 0x3e); | |
1088 | /* enable PCI burst */ | |
1089 | smtc_seqw(0x17, 0x20); | |
1090 | #ifdef __BIG_ENDIAN | |
1091 | if (sfb->fb.var.bits_per_pixel == 32) | |
1092 | smtc_seqw(0x17, 0x30); | |
1093 | #endif | |
1094 | break; | |
1095 | case 0x720: | |
1096 | smtc_seqw(0x62, 0xff); | |
1097 | smtc_seqw(0x6a, 0x0d); | |
1098 | smtc_seqw(0x6b, 0x02); | |
1099 | break; | |
1100 | } | |
1101 | ||
1102 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0xc0)); | |
1103 | smtc_seqw(0x33, ((smtc_seqr(0x33) | 0x08) & 0xfb)); | |
1104 | ||
1105 | smtcfb_setmode(sfb); | |
1106 | ||
1107 | acquire_console_sem(); | |
1108 | fb_set_suspend(&sfb->fb, 0); | |
1109 | release_console_sem(); | |
1110 | ||
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | /* Jason (08/13/2009) | |
1115 | * pci_driver struct used to wrap the original driver | |
1116 | * so that it can be registered into the kernel and | |
1117 | * the proper method would be called when suspending and resuming | |
1118 | */ | |
1119 | static struct pci_driver smtcfb_driver = { | |
1120 | .name = "smtcfb", | |
1121 | .id_table = smtcfb_pci_table, | |
1122 | .probe = smtcfb_pci_probe, | |
1123 | .remove = __devexit_p(smtcfb_pci_remove), | |
1124 | #ifdef CONFIG_PM | |
1125 | .suspend = smtcfb_suspend, | |
1126 | .resume = smtcfb_resume, | |
1127 | #endif | |
1128 | }; | |
1129 | ||
1130 | static int __init smtcfb_init(void) | |
1131 | { | |
1132 | return pci_register_driver(&smtcfb_driver); | |
1133 | } | |
1134 | ||
1135 | static void __exit smtcfb_exit(void) | |
1136 | { | |
1137 | pci_unregister_driver(&smtcfb_driver); | |
1138 | } | |
1139 | ||
1140 | module_init(smtcfb_init); | |
1141 | module_exit(smtcfb_exit); | |
1142 | ||
1143 | MODULE_AUTHOR("Siliconmotion "); | |
1144 | MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards"); | |
1145 | MODULE_LICENSE("GPL"); |