Commit | Line | Data |
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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 | |
ed57d08b | 6 | * Boyod boyod.yang@siliconmotion.com.cn |
d7edf479 WZ |
7 | * |
8 | * Copyright (C) 2009 Lemote, Inc. | |
f7a904df | 9 | * Author: Wu Zhangjin, wuzhangjin@gmail.com |
d7edf479 | 10 | * |
dc762c4f JM |
11 | * Copyright (C) 2011 Igalia, S.L. |
12 | * Author: Javier M. Mellid <jmunhoz@igalia.com> | |
13 | * | |
d7edf479 WZ |
14 | * This file is subject to the terms and conditions of the GNU General Public |
15 | * License. See the file COPYING in the main directory of this archive for | |
16 | * more details. | |
17 | * | |
18 | * Version 0.10.26192.21.01 | |
ed57d08b | 19 | * - Add PowerPC/Big endian support |
3b70a26b JM |
20 | * - Verified on 2.6.19.2 |
21 | * Boyod.yang <boyod.yang@siliconmotion.com.cn> | |
d7edf479 WZ |
22 | * |
23 | * Version 0.09.2621.00.01 | |
3b70a26b JM |
24 | * - Only support Linux Kernel's version 2.6.21 |
25 | * Boyod.yang <boyod.yang@siliconmotion.com.cn> | |
d7edf479 WZ |
26 | * |
27 | * Version 0.09 | |
3b70a26b | 28 | * - Only support Linux Kernel's version 2.6.12 |
ed57d08b | 29 | * Boyod.yang <boyod.yang@siliconmotion.com.cn> |
d7edf479 WZ |
30 | */ |
31 | ||
d7edf479 WZ |
32 | #include <linux/io.h> |
33 | #include <linux/fb.h> | |
34 | #include <linux/pci.h> | |
35 | #include <linux/init.h> | |
5a0e3ad6 | 36 | #include <linux/slab.h> |
d7edf479 | 37 | #include <linux/uaccess.h> |
99c97852 | 38 | #include <linux/module.h> |
d7edf479 WZ |
39 | #include <linux/console.h> |
40 | #include <linux/screen_info.h> | |
41 | ||
42 | #ifdef CONFIG_PM | |
43 | #include <linux/pm.h> | |
99c97852 | 44 | #include <linux/module.h> |
d7edf479 WZ |
45 | #endif |
46 | ||
d7edf479 | 47 | #include "smtcfb.h" |
d7edf479 WZ |
48 | |
49 | #ifdef DEBUG | |
dc762c4f | 50 | #define smdbg(format, arg...) printk(KERN_DEBUG format , ## arg) |
d7edf479 WZ |
51 | #else |
52 | #define smdbg(format, arg...) | |
53 | #endif | |
54 | ||
dc762c4f JM |
55 | struct screen_info smtc_screen_info; |
56 | ||
d7edf479 WZ |
57 | /* |
58 | * Private structure | |
59 | */ | |
60 | struct smtcfb_info { | |
61 | /* | |
62 | * The following is a pointer to be passed into the | |
63 | * functions below. The modules outside the main | |
64 | * voyager.c driver have no knowledge as to what | |
65 | * is within this structure. | |
66 | */ | |
67 | struct fb_info fb; | |
68 | struct display_switch *dispsw; | |
69 | struct pci_dev *dev; | |
70 | signed int currcon; | |
71 | ||
72 | struct { | |
73 | u8 red, green, blue; | |
74 | } palette[NR_RGB]; | |
75 | ||
76 | u_int palette_size; | |
77 | }; | |
78 | ||
79 | struct par_info { | |
80 | /* | |
81 | * Hardware | |
82 | */ | |
83 | u16 chipID; | |
84 | unsigned char __iomem *m_pMMIO; | |
85 | char __iomem *m_pLFB; | |
86 | char *m_pDPR; | |
87 | char *m_pVPR; | |
88 | char *m_pCPR; | |
89 | ||
90 | u_int width; | |
91 | u_int height; | |
92 | u_int hz; | |
93 | u_long BaseAddressInVRAM; | |
94 | u8 chipRevID; | |
95 | }; | |
96 | ||
97 | struct vesa_mode_table { | |
98 | char mode_index[6]; | |
99 | u16 lfb_width; | |
100 | u16 lfb_height; | |
101 | u16 lfb_depth; | |
102 | }; | |
103 | ||
104 | static struct vesa_mode_table vesa_mode[] = { | |
105 | {"0x301", 640, 480, 8}, | |
106 | {"0x303", 800, 600, 8}, | |
3b70a26b | 107 | {"0x305", 1024, 768, 8}, |
d7edf479 WZ |
108 | {"0x307", 1280, 1024, 8}, |
109 | ||
110 | {"0x311", 640, 480, 16}, | |
111 | {"0x314", 800, 600, 16}, | |
3b70a26b | 112 | {"0x317", 1024, 768, 16}, |
d7edf479 WZ |
113 | {"0x31A", 1280, 1024, 16}, |
114 | ||
115 | {"0x312", 640, 480, 24}, | |
116 | {"0x315", 800, 600, 24}, | |
3b70a26b | 117 | {"0x318", 1024, 768, 24}, |
d7edf479 WZ |
118 | {"0x31B", 1280, 1024, 24}, |
119 | }; | |
120 | ||
121 | char __iomem *smtc_RegBaseAddress; /* Memory Map IO starting address */ | |
122 | char __iomem *smtc_VRAMBaseAddress; /* video memory starting address */ | |
123 | ||
d7edf479 WZ |
124 | static u32 colreg[17]; |
125 | static struct par_info hw; /* hardware information */ | |
126 | ||
127 | u16 smtc_ChipIDs[] = { | |
128 | 0x710, | |
129 | 0x712, | |
130 | 0x720 | |
131 | }; | |
132 | ||
1639c8ab | 133 | #define numSMTCchipIDs ARRAY_SIZE(smtc_ChipIDs) |
d7edf479 | 134 | |
dc762c4f JM |
135 | static struct fb_var_screeninfo smtcfb_var = { |
136 | .xres = 1024, | |
137 | .yres = 600, | |
138 | .xres_virtual = 1024, | |
139 | .yres_virtual = 600, | |
140 | .bits_per_pixel = 16, | |
141 | .red = {16, 8, 0}, | |
142 | .green = {8, 8, 0}, | |
143 | .blue = {0, 8, 0}, | |
144 | .activate = FB_ACTIVATE_NOW, | |
145 | .height = -1, | |
146 | .width = -1, | |
147 | .vmode = FB_VMODE_NONINTERLACED, | |
148 | }; | |
149 | ||
150 | static struct fb_fix_screeninfo smtcfb_fix = { | |
151 | .id = "sm712fb", | |
152 | .type = FB_TYPE_PACKED_PIXELS, | |
153 | .visual = FB_VISUAL_TRUECOLOR, | |
154 | .line_length = 800 * 3, | |
155 | .accel = FB_ACCEL_SMI_LYNX, | |
156 | }; | |
157 | ||
d7edf479 WZ |
158 | static void sm712_set_timing(struct smtcfb_info *sfb, |
159 | struct par_info *ppar_info) | |
160 | { | |
161 | int i = 0, j = 0; | |
162 | u32 m_nScreenStride; | |
163 | ||
164 | smdbg("\nppar_info->width = %d ppar_info->height = %d" | |
165 | "sfb->fb.var.bits_per_pixel = %d ppar_info->hz = %d\n", | |
166 | ppar_info->width, ppar_info->height, | |
167 | sfb->fb.var.bits_per_pixel, ppar_info->hz); | |
168 | ||
169 | for (j = 0; j < numVGAModes; j++) { | |
170 | if (VGAMode[j].mmSizeX == ppar_info->width && | |
171 | VGAMode[j].mmSizeY == ppar_info->height && | |
172 | VGAMode[j].bpp == sfb->fb.var.bits_per_pixel && | |
173 | VGAMode[j].hz == ppar_info->hz) { | |
174 | ||
175 | smdbg("\nVGAMode[j].mmSizeX = %d VGAMode[j].mmSizeY =" | |
176 | "%d VGAMode[j].bpp = %d" | |
177 | "VGAMode[j].hz=%d\n", | |
178 | VGAMode[j].mmSizeX, VGAMode[j].mmSizeY, | |
179 | VGAMode[j].bpp, VGAMode[j].hz); | |
180 | ||
181 | smdbg("VGAMode index=%d\n", j); | |
182 | ||
183 | smtc_mmiowb(0x0, 0x3c6); | |
184 | ||
185 | smtc_seqw(0, 0x1); | |
186 | ||
187 | smtc_mmiowb(VGAMode[j].Init_MISC, 0x3c2); | |
188 | ||
189 | /* init SEQ register SR00 - SR04 */ | |
190 | for (i = 0; i < SIZE_SR00_SR04; i++) | |
191 | smtc_seqw(i, VGAMode[j].Init_SR00_SR04[i]); | |
192 | ||
193 | /* init SEQ register SR10 - SR24 */ | |
194 | for (i = 0; i < SIZE_SR10_SR24; i++) | |
195 | smtc_seqw(i + 0x10, | |
196 | VGAMode[j].Init_SR10_SR24[i]); | |
197 | ||
198 | /* init SEQ register SR30 - SR75 */ | |
199 | for (i = 0; i < SIZE_SR30_SR75; i++) | |
200 | if (((i + 0x30) != 0x62) \ | |
201 | && ((i + 0x30) != 0x6a) \ | |
202 | && ((i + 0x30) != 0x6b)) | |
203 | smtc_seqw(i + 0x30, | |
204 | VGAMode[j].Init_SR30_SR75[i]); | |
205 | ||
206 | /* init SEQ register SR80 - SR93 */ | |
207 | for (i = 0; i < SIZE_SR80_SR93; i++) | |
208 | smtc_seqw(i + 0x80, | |
209 | VGAMode[j].Init_SR80_SR93[i]); | |
210 | ||
211 | /* init SEQ register SRA0 - SRAF */ | |
212 | for (i = 0; i < SIZE_SRA0_SRAF; i++) | |
213 | smtc_seqw(i + 0xa0, | |
214 | VGAMode[j].Init_SRA0_SRAF[i]); | |
215 | ||
216 | /* init Graphic register GR00 - GR08 */ | |
217 | for (i = 0; i < SIZE_GR00_GR08; i++) | |
218 | smtc_grphw(i, VGAMode[j].Init_GR00_GR08[i]); | |
219 | ||
220 | /* init Attribute register AR00 - AR14 */ | |
221 | for (i = 0; i < SIZE_AR00_AR14; i++) | |
222 | smtc_attrw(i, VGAMode[j].Init_AR00_AR14[i]); | |
223 | ||
224 | /* init CRTC register CR00 - CR18 */ | |
225 | for (i = 0; i < SIZE_CR00_CR18; i++) | |
226 | smtc_crtcw(i, VGAMode[j].Init_CR00_CR18[i]); | |
227 | ||
228 | /* init CRTC register CR30 - CR4D */ | |
229 | for (i = 0; i < SIZE_CR30_CR4D; i++) | |
230 | smtc_crtcw(i + 0x30, | |
231 | VGAMode[j].Init_CR30_CR4D[i]); | |
232 | ||
233 | /* init CRTC register CR90 - CRA7 */ | |
234 | for (i = 0; i < SIZE_CR90_CRA7; i++) | |
235 | smtc_crtcw(i + 0x90, | |
236 | VGAMode[j].Init_CR90_CRA7[i]); | |
237 | } | |
238 | } | |
239 | smtc_mmiowb(0x67, 0x3c2); | |
240 | ||
241 | /* set VPR registers */ | |
242 | writel(0x0, ppar_info->m_pVPR + 0x0C); | |
243 | writel(0x0, ppar_info->m_pVPR + 0x40); | |
244 | ||
245 | /* set data width */ | |
246 | m_nScreenStride = | |
247 | (ppar_info->width * sfb->fb.var.bits_per_pixel) / 64; | |
248 | switch (sfb->fb.var.bits_per_pixel) { | |
249 | case 8: | |
250 | writel(0x0, ppar_info->m_pVPR + 0x0); | |
251 | break; | |
252 | case 16: | |
253 | writel(0x00020000, ppar_info->m_pVPR + 0x0); | |
254 | break; | |
255 | case 24: | |
256 | writel(0x00040000, ppar_info->m_pVPR + 0x0); | |
257 | break; | |
258 | case 32: | |
259 | writel(0x00030000, ppar_info->m_pVPR + 0x0); | |
260 | break; | |
261 | } | |
262 | writel((u32) (((m_nScreenStride + 2) << 16) | m_nScreenStride), | |
263 | ppar_info->m_pVPR + 0x10); | |
264 | ||
265 | } | |
266 | ||
267 | static void sm712_setpalette(int regno, unsigned red, unsigned green, | |
268 | unsigned blue, struct fb_info *info) | |
269 | { | |
270 | struct par_info *cur_par = (struct par_info *)info->par; | |
271 | ||
272 | if (cur_par->BaseAddressInVRAM) | |
273 | /* | |
274 | * second display palette for dual head. Enable CRT RAM, 6-bit | |
275 | * RAM | |
276 | */ | |
277 | smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x20); | |
278 | else | |
279 | /* primary display palette. Enable LCD RAM only, 6-bit RAM */ | |
280 | smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x10); | |
281 | smtc_mmiowb(regno, dac_reg); | |
282 | smtc_mmiowb(red >> 10, dac_val); | |
283 | smtc_mmiowb(green >> 10, dac_val); | |
284 | smtc_mmiowb(blue >> 10, dac_val); | |
285 | } | |
286 | ||
287 | static void smtc_set_timing(struct smtcfb_info *sfb, struct par_info | |
288 | *ppar_info) | |
289 | { | |
290 | switch (ppar_info->chipID) { | |
291 | case 0x710: | |
292 | case 0x712: | |
293 | case 0x720: | |
294 | sm712_set_timing(sfb, ppar_info); | |
295 | break; | |
296 | } | |
297 | } | |
298 | ||
d7edf479 WZ |
299 | /* chan_to_field |
300 | * | |
301 | * convert a colour value into a field position | |
302 | * | |
303 | * from pxafb.c | |
304 | */ | |
305 | ||
306 | static inline unsigned int chan_to_field(unsigned int chan, | |
307 | struct fb_bitfield *bf) | |
308 | { | |
309 | chan &= 0xffff; | |
310 | chan >>= 16 - bf->length; | |
311 | return chan << bf->offset; | |
312 | } | |
313 | ||
3af80573 | 314 | static int cfb_blank(int blank_mode, struct fb_info *info) |
d7edf479 WZ |
315 | { |
316 | /* clear DPMS setting */ | |
317 | switch (blank_mode) { | |
318 | case FB_BLANK_UNBLANK: | |
319 | /* Screen On: HSync: On, VSync : On */ | |
320 | smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20))); | |
321 | smtc_seqw(0x6a, 0x16); | |
322 | smtc_seqw(0x6b, 0x02); | |
323 | smtc_seqw(0x21, (smtc_seqr(0x21) & 0x77)); | |
324 | smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30))); | |
325 | smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0))); | |
326 | smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01)); | |
327 | smtc_seqw(0x31, (smtc_seqr(0x31) | 0x03)); | |
328 | break; | |
329 | case FB_BLANK_NORMAL: | |
330 | /* Screen Off: HSync: On, VSync : On Soft blank */ | |
331 | smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20))); | |
332 | smtc_seqw(0x6a, 0x16); | |
333 | smtc_seqw(0x6b, 0x02); | |
334 | smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30))); | |
335 | smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0))); | |
336 | smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01)); | |
337 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); | |
338 | break; | |
339 | case FB_BLANK_VSYNC_SUSPEND: | |
340 | /* Screen On: HSync: On, VSync : Off */ | |
341 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); | |
342 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); | |
343 | smtc_seqw(0x6a, 0x0c); | |
344 | smtc_seqw(0x6b, 0x02); | |
345 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); | |
346 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x20)); | |
347 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0x20)); | |
348 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); | |
349 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); | |
350 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); | |
351 | break; | |
352 | case FB_BLANK_HSYNC_SUSPEND: | |
353 | /* Screen On: HSync: Off, VSync : On */ | |
354 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); | |
355 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); | |
356 | smtc_seqw(0x6a, 0x0c); | |
357 | smtc_seqw(0x6b, 0x02); | |
358 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); | |
359 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x10)); | |
360 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8)); | |
361 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); | |
362 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); | |
363 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); | |
364 | break; | |
365 | case FB_BLANK_POWERDOWN: | |
366 | /* Screen On: HSync: Off, VSync : Off */ | |
367 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); | |
368 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); | |
369 | smtc_seqw(0x6a, 0x0c); | |
370 | smtc_seqw(0x6b, 0x02); | |
371 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); | |
372 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x30)); | |
373 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8)); | |
374 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); | |
375 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); | |
376 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); | |
377 | break; | |
378 | default: | |
379 | return -EINVAL; | |
380 | } | |
381 | ||
382 | return 0; | |
383 | } | |
384 | ||
385 | static int smtc_setcolreg(unsigned regno, unsigned red, unsigned green, | |
386 | unsigned blue, unsigned trans, struct fb_info *info) | |
387 | { | |
388 | struct smtcfb_info *sfb = (struct smtcfb_info *)info; | |
389 | u32 val; | |
390 | ||
391 | if (regno > 255) | |
392 | return 1; | |
393 | ||
394 | switch (sfb->fb.fix.visual) { | |
395 | case FB_VISUAL_DIRECTCOLOR: | |
396 | case FB_VISUAL_TRUECOLOR: | |
397 | /* | |
398 | * 16/32 bit true-colour, use pseuo-palette for 16 base color | |
399 | */ | |
400 | if (regno < 16) { | |
401 | if (sfb->fb.var.bits_per_pixel == 16) { | |
402 | u32 *pal = sfb->fb.pseudo_palette; | |
403 | val = chan_to_field(red, &sfb->fb.var.red); | |
404 | val |= chan_to_field(green, \ | |
405 | &sfb->fb.var.green); | |
406 | val |= chan_to_field(blue, &sfb->fb.var.blue); | |
407 | #ifdef __BIG_ENDIAN | |
408 | pal[regno] = | |
409 | ((red & 0xf800) >> 8) | | |
410 | ((green & 0xe000) >> 13) | | |
411 | ((green & 0x1c00) << 3) | | |
412 | ((blue & 0xf800) >> 3); | |
413 | #else | |
414 | pal[regno] = val; | |
415 | #endif | |
416 | } else { | |
417 | u32 *pal = sfb->fb.pseudo_palette; | |
418 | val = chan_to_field(red, &sfb->fb.var.red); | |
419 | val |= chan_to_field(green, \ | |
420 | &sfb->fb.var.green); | |
421 | val |= chan_to_field(blue, &sfb->fb.var.blue); | |
422 | #ifdef __BIG_ENDIAN | |
423 | val = | |
424 | (val & 0xff00ff00 >> 8) | | |
425 | (val & 0x00ff00ff << 8); | |
426 | #endif | |
427 | pal[regno] = val; | |
428 | } | |
429 | } | |
430 | break; | |
431 | ||
432 | case FB_VISUAL_PSEUDOCOLOR: | |
433 | /* color depth 8 bit */ | |
434 | sm712_setpalette(regno, red, green, blue, info); | |
435 | break; | |
436 | ||
437 | default: | |
438 | return 1; /* unknown type */ | |
439 | } | |
440 | ||
441 | return 0; | |
442 | ||
443 | } | |
444 | ||
445 | #ifdef __BIG_ENDIAN | |
446 | static ssize_t smtcfb_read(struct fb_info *info, char __user * buf, size_t | |
447 | count, loff_t *ppos) | |
448 | { | |
449 | unsigned long p = *ppos; | |
450 | ||
451 | u32 *buffer, *dst; | |
452 | u32 __iomem *src; | |
453 | int c, i, cnt = 0, err = 0; | |
454 | unsigned long total_size; | |
455 | ||
456 | if (!info || !info->screen_base) | |
457 | return -ENODEV; | |
458 | ||
459 | if (info->state != FBINFO_STATE_RUNNING) | |
460 | return -EPERM; | |
461 | ||
462 | total_size = info->screen_size; | |
463 | ||
464 | if (total_size == 0) | |
465 | total_size = info->fix.smem_len; | |
466 | ||
467 | if (p >= total_size) | |
468 | return 0; | |
469 | ||
470 | if (count >= total_size) | |
471 | count = total_size; | |
472 | ||
473 | if (count + p > total_size) | |
474 | count = total_size - p; | |
475 | ||
476 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); | |
477 | if (!buffer) | |
478 | return -ENOMEM; | |
479 | ||
480 | src = (u32 __iomem *) (info->screen_base + p); | |
481 | ||
482 | if (info->fbops->fb_sync) | |
483 | info->fbops->fb_sync(info); | |
484 | ||
485 | while (count) { | |
486 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; | |
487 | dst = buffer; | |
488 | for (i = c >> 2; i--;) { | |
489 | *dst = fb_readl(src++); | |
490 | *dst = | |
491 | (*dst & 0xff00ff00 >> 8) | | |
492 | (*dst & 0x00ff00ff << 8); | |
493 | dst++; | |
494 | } | |
495 | if (c & 3) { | |
496 | u8 *dst8 = (u8 *) dst; | |
497 | u8 __iomem *src8 = (u8 __iomem *) src; | |
498 | ||
499 | for (i = c & 3; i--;) { | |
500 | if (i & 1) { | |
501 | *dst8++ = fb_readb(++src8); | |
502 | } else { | |
503 | *dst8++ = fb_readb(--src8); | |
504 | src8 += 2; | |
505 | } | |
506 | } | |
507 | src = (u32 __iomem *) src8; | |
508 | } | |
509 | ||
510 | if (copy_to_user(buf, buffer, c)) { | |
511 | err = -EFAULT; | |
512 | break; | |
513 | } | |
514 | *ppos += c; | |
515 | buf += c; | |
516 | cnt += c; | |
517 | count -= c; | |
518 | } | |
519 | ||
520 | kfree(buffer); | |
521 | ||
522 | return (err) ? err : cnt; | |
523 | } | |
524 | ||
525 | static ssize_t | |
526 | smtcfb_write(struct fb_info *info, const char __user *buf, size_t count, | |
527 | loff_t *ppos) | |
528 | { | |
529 | unsigned long p = *ppos; | |
530 | ||
531 | u32 *buffer, *src; | |
532 | u32 __iomem *dst; | |
533 | int c, i, cnt = 0, err = 0; | |
534 | unsigned long total_size; | |
535 | ||
536 | if (!info || !info->screen_base) | |
537 | return -ENODEV; | |
538 | ||
539 | if (info->state != FBINFO_STATE_RUNNING) | |
540 | return -EPERM; | |
541 | ||
542 | total_size = info->screen_size; | |
543 | ||
544 | if (total_size == 0) | |
545 | total_size = info->fix.smem_len; | |
546 | ||
547 | if (p > total_size) | |
548 | return -EFBIG; | |
549 | ||
550 | if (count > total_size) { | |
551 | err = -EFBIG; | |
552 | count = total_size; | |
553 | } | |
554 | ||
555 | if (count + p > total_size) { | |
556 | if (!err) | |
557 | err = -ENOSPC; | |
558 | ||
559 | count = total_size - p; | |
560 | } | |
561 | ||
562 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); | |
563 | if (!buffer) | |
564 | return -ENOMEM; | |
565 | ||
566 | dst = (u32 __iomem *) (info->screen_base + p); | |
567 | ||
568 | if (info->fbops->fb_sync) | |
569 | info->fbops->fb_sync(info); | |
570 | ||
571 | while (count) { | |
572 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; | |
573 | src = buffer; | |
574 | ||
575 | if (copy_from_user(src, buf, c)) { | |
576 | err = -EFAULT; | |
577 | break; | |
578 | } | |
579 | ||
580 | for (i = c >> 2; i--;) { | |
581 | fb_writel((*src & 0xff00ff00 >> 8) | | |
582 | (*src & 0x00ff00ff << 8), dst++); | |
583 | src++; | |
584 | } | |
585 | if (c & 3) { | |
586 | u8 *src8 = (u8 *) src; | |
587 | u8 __iomem *dst8 = (u8 __iomem *) dst; | |
588 | ||
589 | for (i = c & 3; i--;) { | |
590 | if (i & 1) { | |
591 | fb_writeb(*src8++, ++dst8); | |
592 | } else { | |
593 | fb_writeb(*src8++, --dst8); | |
594 | dst8 += 2; | |
595 | } | |
596 | } | |
597 | dst = (u32 __iomem *) dst8; | |
598 | } | |
599 | ||
600 | *ppos += c; | |
601 | buf += c; | |
602 | cnt += c; | |
603 | count -= c; | |
604 | } | |
605 | ||
606 | kfree(buffer); | |
607 | ||
608 | return (cnt) ? cnt : err; | |
609 | } | |
610 | #endif /* ! __BIG_ENDIAN */ | |
611 | ||
d7edf479 WZ |
612 | void smtcfb_setmode(struct smtcfb_info *sfb) |
613 | { | |
614 | switch (sfb->fb.var.bits_per_pixel) { | |
615 | case 32: | |
616 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; | |
617 | sfb->fb.fix.line_length = sfb->fb.var.xres * 4; | |
618 | sfb->fb.var.red.length = 8; | |
619 | sfb->fb.var.green.length = 8; | |
620 | sfb->fb.var.blue.length = 8; | |
621 | sfb->fb.var.red.offset = 16; | |
622 | sfb->fb.var.green.offset = 8; | |
623 | sfb->fb.var.blue.offset = 0; | |
624 | ||
625 | break; | |
626 | case 8: | |
627 | sfb->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR; | |
628 | sfb->fb.fix.line_length = sfb->fb.var.xres; | |
629 | sfb->fb.var.red.offset = 5; | |
630 | sfb->fb.var.red.length = 3; | |
631 | sfb->fb.var.green.offset = 2; | |
632 | sfb->fb.var.green.length = 3; | |
633 | sfb->fb.var.blue.offset = 0; | |
634 | sfb->fb.var.blue.length = 2; | |
635 | break; | |
636 | case 24: | |
637 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; | |
638 | sfb->fb.fix.line_length = sfb->fb.var.xres * 3; | |
639 | sfb->fb.var.red.length = 8; | |
640 | sfb->fb.var.green.length = 8; | |
641 | sfb->fb.var.blue.length = 8; | |
642 | ||
643 | sfb->fb.var.red.offset = 16; | |
644 | sfb->fb.var.green.offset = 8; | |
645 | sfb->fb.var.blue.offset = 0; | |
646 | ||
647 | break; | |
648 | case 16: | |
649 | default: | |
650 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; | |
651 | sfb->fb.fix.line_length = sfb->fb.var.xres * 2; | |
652 | ||
653 | sfb->fb.var.red.length = 5; | |
654 | sfb->fb.var.green.length = 6; | |
655 | sfb->fb.var.blue.length = 5; | |
656 | ||
657 | sfb->fb.var.red.offset = 11; | |
658 | sfb->fb.var.green.offset = 5; | |
659 | sfb->fb.var.blue.offset = 0; | |
660 | ||
661 | break; | |
662 | } | |
663 | ||
664 | hw.width = sfb->fb.var.xres; | |
665 | hw.height = sfb->fb.var.yres; | |
666 | hw.hz = 60; | |
667 | smtc_set_timing(sfb, &hw); | |
d7edf479 WZ |
668 | } |
669 | ||
dc762c4f JM |
670 | static int smtc_check_var(struct fb_var_screeninfo *var, struct fb_info *info) |
671 | { | |
672 | /* sanity checks */ | |
673 | if (var->xres_virtual < var->xres) | |
674 | var->xres_virtual = var->xres; | |
675 | ||
676 | if (var->yres_virtual < var->yres) | |
677 | var->yres_virtual = var->yres; | |
678 | ||
679 | /* set valid default bpp */ | |
680 | if ((var->bits_per_pixel != 8) && (var->bits_per_pixel != 16) && | |
681 | (var->bits_per_pixel != 24) && (var->bits_per_pixel != 32)) | |
682 | var->bits_per_pixel = 16; | |
683 | ||
684 | return 0; | |
685 | } | |
686 | ||
687 | static int smtc_set_par(struct fb_info *info) | |
688 | { | |
689 | struct smtcfb_info *sfb = (struct smtcfb_info *)info; | |
690 | ||
691 | smtcfb_setmode(sfb); | |
692 | ||
693 | return 0; | |
694 | } | |
695 | ||
696 | static struct fb_ops smtcfb_ops = { | |
697 | .owner = THIS_MODULE, | |
698 | .fb_check_var = smtc_check_var, | |
699 | .fb_set_par = smtc_set_par, | |
700 | .fb_setcolreg = smtc_setcolreg, | |
701 | .fb_blank = cfb_blank, | |
702 | .fb_fillrect = cfb_fillrect, | |
703 | .fb_imageblit = cfb_imageblit, | |
704 | .fb_copyarea = cfb_copyarea, | |
705 | #ifdef __BIG_ENDIAN | |
706 | .fb_read = smtcfb_read, | |
707 | .fb_write = smtcfb_write, | |
708 | #endif | |
709 | }; | |
710 | ||
d7edf479 WZ |
711 | /* |
712 | * Alloc struct smtcfb_info and assign the default value | |
713 | */ | |
714 | static struct smtcfb_info *smtc_alloc_fb_info(struct pci_dev *dev, | |
715 | char *name) | |
716 | { | |
717 | struct smtcfb_info *sfb; | |
718 | ||
617a0c71 | 719 | sfb = kzalloc(sizeof(*sfb), GFP_KERNEL); |
d7edf479 WZ |
720 | |
721 | if (!sfb) | |
722 | return NULL; | |
723 | ||
d7edf479 WZ |
724 | sfb->currcon = -1; |
725 | sfb->dev = dev; | |
726 | ||
727 | /*** Init sfb->fb with default value ***/ | |
728 | sfb->fb.flags = FBINFO_FLAG_DEFAULT; | |
729 | sfb->fb.fbops = &smtcfb_ops; | |
730 | sfb->fb.var = smtcfb_var; | |
731 | sfb->fb.fix = smtcfb_fix; | |
732 | ||
733 | strcpy(sfb->fb.fix.id, name); | |
734 | ||
735 | sfb->fb.fix.type = FB_TYPE_PACKED_PIXELS; | |
736 | sfb->fb.fix.type_aux = 0; | |
737 | sfb->fb.fix.xpanstep = 0; | |
738 | sfb->fb.fix.ypanstep = 0; | |
739 | sfb->fb.fix.ywrapstep = 0; | |
740 | sfb->fb.fix.accel = FB_ACCEL_SMI_LYNX; | |
741 | ||
742 | sfb->fb.var.nonstd = 0; | |
743 | sfb->fb.var.activate = FB_ACTIVATE_NOW; | |
744 | sfb->fb.var.height = -1; | |
745 | sfb->fb.var.width = -1; | |
746 | /* text mode acceleration */ | |
747 | sfb->fb.var.accel_flags = FB_ACCELF_TEXT; | |
748 | sfb->fb.var.vmode = FB_VMODE_NONINTERLACED; | |
749 | sfb->fb.par = &hw; | |
750 | sfb->fb.pseudo_palette = colreg; | |
751 | ||
752 | return sfb; | |
753 | } | |
754 | ||
755 | /* | |
756 | * Unmap in the memory mapped IO registers | |
757 | */ | |
758 | ||
759 | static void smtc_unmap_mmio(struct smtcfb_info *sfb) | |
760 | { | |
761 | if (sfb && smtc_RegBaseAddress) | |
762 | smtc_RegBaseAddress = NULL; | |
763 | } | |
764 | ||
765 | /* | |
766 | * Map in the screen memory | |
767 | */ | |
768 | ||
769 | static int smtc_map_smem(struct smtcfb_info *sfb, | |
770 | struct pci_dev *dev, u_long smem_len) | |
771 | { | |
772 | if (sfb->fb.var.bits_per_pixel == 32) { | |
773 | #ifdef __BIG_ENDIAN | |
774 | sfb->fb.fix.smem_start = pci_resource_start(dev, 0) | |
775 | + 0x800000; | |
776 | #else | |
777 | sfb->fb.fix.smem_start = pci_resource_start(dev, 0); | |
778 | #endif | |
779 | } else { | |
780 | sfb->fb.fix.smem_start = pci_resource_start(dev, 0); | |
781 | } | |
782 | ||
783 | sfb->fb.fix.smem_len = smem_len; | |
784 | ||
785 | sfb->fb.screen_base = smtc_VRAMBaseAddress; | |
786 | ||
787 | if (!sfb->fb.screen_base) { | |
23a42311 | 788 | printk(KERN_ERR "%s: unable to map screen memory\n", |
d7edf479 WZ |
789 | sfb->fb.fix.id); |
790 | return -ENOMEM; | |
791 | } | |
792 | ||
793 | return 0; | |
794 | } | |
795 | ||
796 | /* | |
797 | * Unmap in the screen memory | |
798 | * | |
799 | */ | |
800 | static void smtc_unmap_smem(struct smtcfb_info *sfb) | |
801 | { | |
802 | if (sfb && sfb->fb.screen_base) { | |
803 | iounmap(sfb->fb.screen_base); | |
804 | sfb->fb.screen_base = NULL; | |
805 | } | |
806 | } | |
807 | ||
808 | /* | |
809 | * We need to wake up the LynxEM+, and make sure its in linear memory mode. | |
810 | */ | |
811 | static inline void sm7xx_init_hw(void) | |
812 | { | |
813 | outb_p(0x18, 0x3c4); | |
814 | outb_p(0x11, 0x3c5); | |
815 | } | |
816 | ||
817 | static void smtc_free_fb_info(struct smtcfb_info *sfb) | |
818 | { | |
819 | if (sfb) { | |
820 | fb_alloc_cmap(&sfb->fb.cmap, 0, 0); | |
821 | kfree(sfb); | |
822 | } | |
823 | } | |
824 | ||
825 | /* | |
826 | * sm712vga_setup - process command line options, get vga parameter | |
827 | * @options: string of options | |
828 | * Returns zero. | |
829 | * | |
830 | */ | |
dc762c4f | 831 | static int __init sm712vga_setup(char *options) |
d7edf479 WZ |
832 | { |
833 | int index; | |
834 | ||
835 | if (!options || !*options) { | |
836 | smdbg("\n No vga parameter\n"); | |
837 | return -EINVAL; | |
838 | } | |
839 | ||
840 | smtc_screen_info.lfb_width = 0; | |
841 | smtc_screen_info.lfb_height = 0; | |
842 | smtc_screen_info.lfb_depth = 0; | |
843 | ||
844 | smdbg("\nsm712vga_setup = %s\n", options); | |
845 | ||
846 | for (index = 0; | |
1639c8ab | 847 | index < ARRAY_SIZE(vesa_mode); |
d7edf479 WZ |
848 | index++) { |
849 | if (strstr(options, vesa_mode[index].mode_index)) { | |
850 | smtc_screen_info.lfb_width = vesa_mode[index].lfb_width; | |
851 | smtc_screen_info.lfb_height = | |
852 | vesa_mode[index].lfb_height; | |
853 | smtc_screen_info.lfb_depth = vesa_mode[index].lfb_depth; | |
854 | return 0; | |
855 | } | |
856 | } | |
857 | ||
858 | return -1; | |
859 | } | |
860 | __setup("vga=", sm712vga_setup); | |
861 | ||
862 | /* Jason (08/13/2009) | |
863 | * Original init function changed to probe method to be used by pci_drv | |
864 | * process used to detect chips replaced with kernel process in pci_drv | |
865 | */ | |
b99e1943 | 866 | static int __devinit smtcfb_pci_probe(struct pci_dev *pdev, |
d7edf479 WZ |
867 | const struct pci_device_id *ent) |
868 | { | |
869 | struct smtcfb_info *sfb; | |
870 | u_long smem_size = 0x00800000; /* default 8MB */ | |
871 | char name[16]; | |
872 | int err; | |
873 | unsigned long pFramebufferPhysical; | |
874 | ||
875 | printk(KERN_INFO | |
876 | "Silicon Motion display driver " SMTC_LINUX_FB_VERSION "\n"); | |
877 | ||
878 | err = pci_enable_device(pdev); /* enable SMTC chip */ | |
d7edf479 WZ |
879 | if (err) |
880 | return err; | |
d7edf479 WZ |
881 | |
882 | hw.chipID = ent->device; | |
883 | sprintf(name, "sm%Xfb", hw.chipID); | |
884 | ||
885 | sfb = smtc_alloc_fb_info(pdev, name); | |
886 | ||
887 | if (!sfb) | |
918e3592 | 888 | goto failed_free; |
d7edf479 WZ |
889 | /* Jason (08/13/2009) |
890 | * Store fb_info to be further used when suspending and resuming | |
891 | */ | |
892 | pci_set_drvdata(pdev, sfb); | |
893 | ||
894 | sm7xx_init_hw(); | |
895 | ||
896 | /*get mode parameter from smtc_screen_info */ | |
897 | if (smtc_screen_info.lfb_width != 0) { | |
898 | sfb->fb.var.xres = smtc_screen_info.lfb_width; | |
899 | sfb->fb.var.yres = smtc_screen_info.lfb_height; | |
900 | sfb->fb.var.bits_per_pixel = smtc_screen_info.lfb_depth; | |
901 | } else { | |
902 | /* default resolution 1024x600 16bit mode */ | |
903 | sfb->fb.var.xres = SCREEN_X_RES; | |
904 | sfb->fb.var.yres = SCREEN_Y_RES; | |
905 | sfb->fb.var.bits_per_pixel = SCREEN_BPP; | |
906 | } | |
907 | ||
908 | #ifdef __BIG_ENDIAN | |
909 | if (sfb->fb.var.bits_per_pixel == 24) | |
910 | sfb->fb.var.bits_per_pixel = (smtc_screen_info.lfb_depth = 32); | |
911 | #endif | |
912 | /* Map address and memory detection */ | |
913 | pFramebufferPhysical = pci_resource_start(pdev, 0); | |
914 | pci_read_config_byte(pdev, PCI_REVISION_ID, &hw.chipRevID); | |
915 | ||
916 | switch (hw.chipID) { | |
917 | case 0x710: | |
918 | case 0x712: | |
919 | sfb->fb.fix.mmio_start = pFramebufferPhysical + 0x00400000; | |
920 | sfb->fb.fix.mmio_len = 0x00400000; | |
921 | smem_size = SM712_VIDEOMEMORYSIZE; | |
922 | #ifdef __BIG_ENDIAN | |
923 | hw.m_pLFB = (smtc_VRAMBaseAddress = | |
924 | ioremap(pFramebufferPhysical, 0x00c00000)); | |
925 | #else | |
926 | hw.m_pLFB = (smtc_VRAMBaseAddress = | |
927 | ioremap(pFramebufferPhysical, 0x00800000)); | |
928 | #endif | |
929 | hw.m_pMMIO = (smtc_RegBaseAddress = | |
930 | smtc_VRAMBaseAddress + 0x00700000); | |
3af80573 | 931 | hw.m_pDPR = smtc_VRAMBaseAddress + 0x00408000; |
d7edf479 WZ |
932 | hw.m_pVPR = hw.m_pLFB + 0x0040c000; |
933 | #ifdef __BIG_ENDIAN | |
934 | if (sfb->fb.var.bits_per_pixel == 32) { | |
935 | smtc_VRAMBaseAddress += 0x800000; | |
936 | hw.m_pLFB += 0x800000; | |
937 | printk(KERN_INFO | |
938 | "\nsmtc_VRAMBaseAddress=%p hw.m_pLFB=%p\n", | |
939 | smtc_VRAMBaseAddress, hw.m_pLFB); | |
940 | } | |
941 | #endif | |
942 | if (!smtc_RegBaseAddress) { | |
23a42311 | 943 | printk(KERN_ERR |
d7edf479 WZ |
944 | "%s: unable to map memory mapped IO\n", |
945 | sfb->fb.fix.id); | |
918e3592 KV |
946 | err = -ENOMEM; |
947 | goto failed_fb; | |
d7edf479 WZ |
948 | } |
949 | ||
950 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ | |
951 | smtc_seqw(0x6a, 0x16); | |
952 | smtc_seqw(0x6b, 0x02); | |
953 | smtc_seqw(0x62, 0x3e); | |
954 | /* enable PCI burst */ | |
955 | smtc_seqw(0x17, 0x20); | |
956 | /* enable word swap */ | |
957 | #ifdef __BIG_ENDIAN | |
958 | if (sfb->fb.var.bits_per_pixel == 32) | |
959 | smtc_seqw(0x17, 0x30); | |
d7edf479 WZ |
960 | #endif |
961 | break; | |
962 | case 0x720: | |
963 | sfb->fb.fix.mmio_start = pFramebufferPhysical; | |
964 | sfb->fb.fix.mmio_len = 0x00200000; | |
965 | smem_size = SM722_VIDEOMEMORYSIZE; | |
3af80573 | 966 | hw.m_pDPR = ioremap(pFramebufferPhysical, 0x00a00000); |
d7edf479 | 967 | hw.m_pLFB = (smtc_VRAMBaseAddress = |
3af80573 | 968 | hw.m_pDPR + 0x00200000); |
d7edf479 | 969 | hw.m_pMMIO = (smtc_RegBaseAddress = |
3af80573 WZ |
970 | hw.m_pDPR + 0x000c0000); |
971 | hw.m_pVPR = hw.m_pDPR + 0x800; | |
d7edf479 WZ |
972 | |
973 | smtc_seqw(0x62, 0xff); | |
974 | smtc_seqw(0x6a, 0x0d); | |
975 | smtc_seqw(0x6b, 0x02); | |
d7edf479 WZ |
976 | break; |
977 | default: | |
23a42311 | 978 | printk(KERN_ERR |
d7edf479 WZ |
979 | "No valid Silicon Motion display chip was detected!\n"); |
980 | ||
918e3592 | 981 | goto failed_fb; |
d7edf479 WZ |
982 | } |
983 | ||
984 | /* can support 32 bpp */ | |
985 | if (15 == sfb->fb.var.bits_per_pixel) | |
986 | sfb->fb.var.bits_per_pixel = 16; | |
987 | ||
988 | sfb->fb.var.xres_virtual = sfb->fb.var.xres; | |
989 | sfb->fb.var.yres_virtual = sfb->fb.var.yres; | |
990 | err = smtc_map_smem(sfb, pdev, smem_size); | |
991 | if (err) | |
992 | goto failed; | |
993 | ||
994 | smtcfb_setmode(sfb); | |
25985edc | 995 | /* Primary display starting from 0 position */ |
d7edf479 WZ |
996 | hw.BaseAddressInVRAM = 0; |
997 | sfb->fb.par = &hw; | |
998 | ||
999 | err = register_framebuffer(&sfb->fb); | |
1000 | if (err < 0) | |
1001 | goto failed; | |
1002 | ||
1003 | printk(KERN_INFO "Silicon Motion SM%X Rev%X primary display mode" | |
1004 | "%dx%d-%d Init Complete.\n", hw.chipID, hw.chipRevID, | |
1005 | sfb->fb.var.xres, sfb->fb.var.yres, | |
1006 | sfb->fb.var.bits_per_pixel); | |
1007 | ||
1008 | return 0; | |
1009 | ||
1639c8ab | 1010 | failed: |
23a42311 | 1011 | printk(KERN_ERR "Silicon Motion, Inc. primary display init fail\n"); |
d7edf479 WZ |
1012 | |
1013 | smtc_unmap_smem(sfb); | |
1014 | smtc_unmap_mmio(sfb); | |
918e3592 | 1015 | failed_fb: |
d7edf479 WZ |
1016 | smtc_free_fb_info(sfb); |
1017 | ||
918e3592 KV |
1018 | failed_free: |
1019 | pci_disable_device(pdev); | |
1020 | ||
d7edf479 WZ |
1021 | return err; |
1022 | } | |
1023 | ||
1024 | ||
1025 | /* Jason (08/11/2009) PCI_DRV wrapper essential structs */ | |
6f475b71 | 1026 | static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = { |
c0fe602f PH |
1027 | { PCI_DEVICE(0x126f, 0x710), }, |
1028 | { PCI_DEVICE(0x126f, 0x712), }, | |
1029 | { PCI_DEVICE(0x126f, 0x720), }, | |
d7edf479 WZ |
1030 | {0,} |
1031 | }; | |
1032 | ||
1033 | ||
1034 | /* Jason (08/14/2009) | |
1035 | * do some clean up when the driver module is removed | |
1036 | */ | |
1037 | static void __devexit smtcfb_pci_remove(struct pci_dev *pdev) | |
1038 | { | |
1039 | struct smtcfb_info *sfb; | |
1040 | ||
1041 | sfb = pci_get_drvdata(pdev); | |
1042 | pci_set_drvdata(pdev, NULL); | |
1043 | smtc_unmap_smem(sfb); | |
1044 | smtc_unmap_mmio(sfb); | |
1045 | unregister_framebuffer(&sfb->fb); | |
1046 | smtc_free_fb_info(sfb); | |
1047 | } | |
1048 | ||
392a002a | 1049 | #ifdef CONFIG_PM |
59815677 | 1050 | static int smtcfb_pci_suspend(struct device *device) |
d7edf479 | 1051 | { |
59815677 | 1052 | struct pci_dev *pdev = to_pci_dev(device); |
d7edf479 | 1053 | struct smtcfb_info *sfb; |
d7edf479 WZ |
1054 | |
1055 | sfb = pci_get_drvdata(pdev); | |
1056 | ||
1057 | /* set the hw in sleep mode use externel clock and self memory refresh | |
1058 | * so that we can turn off internal PLLs later on | |
1059 | */ | |
1060 | smtc_seqw(0x20, (smtc_seqr(0x20) | 0xc0)); | |
1061 | smtc_seqw(0x69, (smtc_seqr(0x69) & 0xf7)); | |
1062 | ||
59815677 JM |
1063 | console_lock(); |
1064 | fb_set_suspend(&sfb->fb, 1); | |
1065 | console_unlock(); | |
d7edf479 | 1066 | |
25985edc | 1067 | /* additionally turn off all function blocks including internal PLLs */ |
d7edf479 WZ |
1068 | smtc_seqw(0x21, 0xff); |
1069 | ||
1070 | return 0; | |
1071 | } | |
1072 | ||
59815677 | 1073 | static int smtcfb_pci_resume(struct device *device) |
d7edf479 | 1074 | { |
59815677 | 1075 | struct pci_dev *pdev = to_pci_dev(device); |
d7edf479 | 1076 | struct smtcfb_info *sfb; |
d7edf479 WZ |
1077 | |
1078 | sfb = pci_get_drvdata(pdev); | |
1079 | ||
d7edf479 WZ |
1080 | /* reinit hardware */ |
1081 | sm7xx_init_hw(); | |
1082 | switch (hw.chipID) { | |
1083 | case 0x710: | |
1084 | case 0x712: | |
1085 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ | |
1086 | smtc_seqw(0x6a, 0x16); | |
1087 | smtc_seqw(0x6b, 0x02); | |
1088 | smtc_seqw(0x62, 0x3e); | |
1089 | /* enable PCI burst */ | |
1090 | smtc_seqw(0x17, 0x20); | |
1091 | #ifdef __BIG_ENDIAN | |
1092 | if (sfb->fb.var.bits_per_pixel == 32) | |
1093 | smtc_seqw(0x17, 0x30); | |
1094 | #endif | |
1095 | break; | |
1096 | case 0x720: | |
1097 | smtc_seqw(0x62, 0xff); | |
1098 | smtc_seqw(0x6a, 0x0d); | |
1099 | smtc_seqw(0x6b, 0x02); | |
1100 | break; | |
1101 | } | |
1102 | ||
1103 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0xc0)); | |
1104 | smtc_seqw(0x33, ((smtc_seqr(0x33) | 0x08) & 0xfb)); | |
1105 | ||
1106 | smtcfb_setmode(sfb); | |
1107 | ||
ac751efa | 1108 | console_lock(); |
d7edf479 | 1109 | fb_set_suspend(&sfb->fb, 0); |
ac751efa | 1110 | console_unlock(); |
d7edf479 WZ |
1111 | |
1112 | return 0; | |
1113 | } | |
1114 | ||
59815677 JM |
1115 | static const struct dev_pm_ops sm7xx_pm_ops = { |
1116 | .suspend = smtcfb_pci_suspend, | |
1117 | .resume = smtcfb_pci_resume, | |
1118 | .freeze = smtcfb_pci_suspend, | |
1119 | .thaw = smtcfb_pci_resume, | |
1120 | .poweroff = smtcfb_pci_suspend, | |
1121 | .restore = smtcfb_pci_resume, | |
1122 | }; | |
1123 | ||
1124 | #define SM7XX_PM_OPS (&sm7xx_pm_ops) | |
1125 | ||
1126 | #else /* !CONFIG_PM */ | |
1127 | ||
1128 | #define SM7XX_PM_OPS NULL | |
1129 | ||
1130 | #endif /* !CONFIG_PM */ | |
1131 | ||
d7edf479 WZ |
1132 | static struct pci_driver smtcfb_driver = { |
1133 | .name = "smtcfb", | |
1134 | .id_table = smtcfb_pci_table, | |
1135 | .probe = smtcfb_pci_probe, | |
1136 | .remove = __devexit_p(smtcfb_pci_remove), | |
59815677 | 1137 | .driver.pm = SM7XX_PM_OPS, |
d7edf479 WZ |
1138 | }; |
1139 | ||
1140 | static int __init smtcfb_init(void) | |
1141 | { | |
1142 | return pci_register_driver(&smtcfb_driver); | |
1143 | } | |
1144 | ||
1145 | static void __exit smtcfb_exit(void) | |
1146 | { | |
1147 | pci_unregister_driver(&smtcfb_driver); | |
1148 | } | |
1149 | ||
1150 | module_init(smtcfb_init); | |
1151 | module_exit(smtcfb_exit); | |
1152 | ||
1153 | MODULE_AUTHOR("Siliconmotion "); | |
1154 | MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards"); | |
1155 | MODULE_LICENSE("GPL"); |