2 * Silicon Motion SM7XX frame buffer device
4 * Copyright (C) 2006 Silicon Motion Technology Corp.
5 * Authors: Ge Wang, gewang@siliconmotion.com
6 * Boyod boyod.yang@siliconmotion.com.cn
8 * Copyright (C) 2009 Lemote, Inc.
9 * Author: Wu Zhangjin, wuzhangjin@gmail.com
11 * Copyright (C) 2011 Igalia, S.L.
12 * Author: Javier M. Mellid <jmunhoz@igalia.com>
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
18 * Framebuffer driver for Silicon Motion SM710, SM712, SM721 and SM722 chips
23 #include <linux/pci.h>
24 #include <linux/init.h>
25 #include <linux/slab.h>
26 #include <linux/uaccess.h>
27 #include <linux/module.h>
28 #include <linux/console.h>
29 #include <linux/screen_info.h>
44 void __iomem *lfb; /* linear frame buffer */
45 void __iomem *dp_regs; /* drawing processor control regs */
46 void __iomem *vp_regs; /* video processor control regs */
47 void __iomem *cp_regs; /* capture processor control regs */
48 void __iomem *mmio; /* memory map IO port */
57 void __iomem *smtc_regbaseaddress; /* Memory Map IO starting address */
59 static const struct fb_var_screeninfo smtcfb_var = {
68 .activate = FB_ACTIVATE_NOW,
71 .vmode = FB_VMODE_NONINTERLACED,
73 .accel_flags = FB_ACCELF_TEXT,
76 static struct fb_fix_screeninfo smtcfb_fix = {
78 .type = FB_TYPE_PACKED_PIXELS,
79 .visual = FB_VISUAL_TRUECOLOR,
80 .line_length = 800 * 3,
81 .accel = FB_ACCEL_SMI_LYNX,
95 static const struct vesa_mode vesa_mode_table[] = {
96 {"0x301", 640, 480, 8},
97 {"0x303", 800, 600, 8},
98 {"0x305", 1024, 768, 8},
99 {"0x307", 1280, 1024, 8},
101 {"0x311", 640, 480, 16},
102 {"0x314", 800, 600, 16},
103 {"0x317", 1024, 768, 16},
104 {"0x31A", 1280, 1024, 16},
106 {"0x312", 640, 480, 24},
107 {"0x315", 800, 600, 24},
108 {"0x318", 1024, 768, 24},
109 {"0x31B", 1280, 1024, 24},
112 /**********************************************************************
114 **********************************************************************/
115 static const struct modeinit vgamode[] = {
117 /* mode#0: 640 x 480 16Bpp 60Hz */
122 0x03, 0x01, 0x0F, 0x00, 0x0E,
124 { /* Init_SR10_SR24 */
125 0xFF, 0xBE, 0xEF, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
126 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
127 0xC4, 0x30, 0x02, 0x01, 0x01,
129 { /* Init_SR30_SR75 */
130 0x32, 0x03, 0xA0, 0x09, 0xC0, 0x32, 0x32, 0x32,
131 0x32, 0x32, 0x32, 0x32, 0x00, 0x00, 0x03, 0xFF,
132 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
133 0x20, 0x0C, 0x44, 0x20, 0x00, 0x32, 0x32, 0x32,
134 0x04, 0x24, 0x63, 0x4F, 0x52, 0x0B, 0xDF, 0xEA,
135 0x04, 0x50, 0x19, 0x32, 0x32, 0x00, 0x00, 0x32,
136 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
137 0x50, 0x03, 0x74, 0x14, 0x07, 0x82, 0x07, 0x04,
138 0x00, 0x45, 0x30, 0x30, 0x40, 0x30,
140 { /* Init_SR80_SR93 */
141 0xFF, 0x07, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x32,
142 0xF7, 0x00, 0x00, 0x00, 0xEF, 0xFF, 0x32, 0x32,
143 0x00, 0x00, 0x00, 0x00,
145 { /* Init_SRA0_SRAF */
146 0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
147 0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xFF, 0xDF,
149 { /* Init_GR00_GR08 */
150 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
153 { /* Init_AR00_AR14 */
154 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
155 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
156 0x41, 0x00, 0x0F, 0x00, 0x00,
158 { /* Init_CR00_CR18 */
159 0x5F, 0x4F, 0x4F, 0x00, 0x53, 0x1F, 0x0B, 0x3E,
160 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
161 0xEA, 0x0C, 0xDF, 0x50, 0x40, 0xDF, 0x00, 0xE3,
164 { /* Init_CR30_CR4D */
165 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x03, 0x20,
166 0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xFF, 0xFD,
167 0x5F, 0x4F, 0x00, 0x54, 0x00, 0x0B, 0xDF, 0x00,
168 0xEA, 0x0C, 0x2E, 0x00, 0x4F, 0xDF,
170 { /* Init_CR90_CRA7 */
171 0x56, 0xDD, 0x5E, 0xEA, 0x87, 0x44, 0x8F, 0x55,
172 0x0A, 0x8F, 0x55, 0x0A, 0x00, 0x00, 0x18, 0x00,
173 0x11, 0x10, 0x0B, 0x0A, 0x0A, 0x0A, 0x0A, 0x00,
177 /* mode#1: 640 x 480 24Bpp 60Hz */
182 0x03, 0x01, 0x0F, 0x00, 0x0E,
184 { /* Init_SR10_SR24 */
185 0xFF, 0xBE, 0xEF, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
186 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
187 0xC4, 0x30, 0x02, 0x01, 0x01,
189 { /* Init_SR30_SR75 */
190 0x32, 0x03, 0xA0, 0x09, 0xC0, 0x32, 0x32, 0x32,
191 0x32, 0x32, 0x32, 0x32, 0x00, 0x00, 0x03, 0xFF,
192 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
193 0x20, 0x0C, 0x44, 0x20, 0x00, 0x32, 0x32, 0x32,
194 0x04, 0x24, 0x63, 0x4F, 0x52, 0x0B, 0xDF, 0xEA,
195 0x04, 0x50, 0x19, 0x32, 0x32, 0x00, 0x00, 0x32,
196 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
197 0x50, 0x03, 0x74, 0x14, 0x07, 0x82, 0x07, 0x04,
198 0x00, 0x45, 0x30, 0x30, 0x40, 0x30,
200 { /* Init_SR80_SR93 */
201 0xFF, 0x07, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x32,
202 0xF7, 0x00, 0x00, 0x00, 0xEF, 0xFF, 0x32, 0x32,
203 0x00, 0x00, 0x00, 0x00,
205 { /* Init_SRA0_SRAF */
206 0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
207 0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xFF, 0xDF,
209 { /* Init_GR00_GR08 */
210 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
213 { /* Init_AR00_AR14 */
214 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
215 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
216 0x41, 0x00, 0x0F, 0x00, 0x00,
218 { /* Init_CR00_CR18 */
219 0x5F, 0x4F, 0x4F, 0x00, 0x53, 0x1F, 0x0B, 0x3E,
220 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
221 0xEA, 0x0C, 0xDF, 0x50, 0x40, 0xDF, 0x00, 0xE3,
224 { /* Init_CR30_CR4D */
225 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x03, 0x20,
226 0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xFF, 0xFD,
227 0x5F, 0x4F, 0x00, 0x54, 0x00, 0x0B, 0xDF, 0x00,
228 0xEA, 0x0C, 0x2E, 0x00, 0x4F, 0xDF,
230 { /* Init_CR90_CRA7 */
231 0x56, 0xDD, 0x5E, 0xEA, 0x87, 0x44, 0x8F, 0x55,
232 0x0A, 0x8F, 0x55, 0x0A, 0x00, 0x00, 0x18, 0x00,
233 0x11, 0x10, 0x0B, 0x0A, 0x0A, 0x0A, 0x0A, 0x00,
237 /* mode#0: 640 x 480 32Bpp 60Hz */
242 0x03, 0x01, 0x0F, 0x00, 0x0E,
244 { /* Init_SR10_SR24 */
245 0xFF, 0xBE, 0xEF, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
246 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
247 0xC4, 0x30, 0x02, 0x01, 0x01,
249 { /* Init_SR30_SR75 */
250 0x32, 0x03, 0xA0, 0x09, 0xC0, 0x32, 0x32, 0x32,
251 0x32, 0x32, 0x32, 0x32, 0x00, 0x00, 0x03, 0xFF,
252 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
253 0x20, 0x0C, 0x44, 0x20, 0x00, 0x32, 0x32, 0x32,
254 0x04, 0x24, 0x63, 0x4F, 0x52, 0x0B, 0xDF, 0xEA,
255 0x04, 0x50, 0x19, 0x32, 0x32, 0x00, 0x00, 0x32,
256 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
257 0x50, 0x03, 0x74, 0x14, 0x07, 0x82, 0x07, 0x04,
258 0x00, 0x45, 0x30, 0x30, 0x40, 0x30,
260 { /* Init_SR80_SR93 */
261 0xFF, 0x07, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x32,
262 0xF7, 0x00, 0x00, 0x00, 0xEF, 0xFF, 0x32, 0x32,
263 0x00, 0x00, 0x00, 0x00,
265 { /* Init_SRA0_SRAF */
266 0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
267 0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xFF, 0xDF,
269 { /* Init_GR00_GR08 */
270 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
273 { /* Init_AR00_AR14 */
274 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
275 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
276 0x41, 0x00, 0x0F, 0x00, 0x00,
278 { /* Init_CR00_CR18 */
279 0x5F, 0x4F, 0x4F, 0x00, 0x53, 0x1F, 0x0B, 0x3E,
280 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
281 0xEA, 0x0C, 0xDF, 0x50, 0x40, 0xDF, 0x00, 0xE3,
284 { /* Init_CR30_CR4D */
285 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x03, 0x20,
286 0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xFF, 0xFD,
287 0x5F, 0x4F, 0x00, 0x54, 0x00, 0x0B, 0xDF, 0x00,
288 0xEA, 0x0C, 0x2E, 0x00, 0x4F, 0xDF,
290 { /* Init_CR90_CRA7 */
291 0x56, 0xDD, 0x5E, 0xEA, 0x87, 0x44, 0x8F, 0x55,
292 0x0A, 0x8F, 0x55, 0x0A, 0x00, 0x00, 0x18, 0x00,
293 0x11, 0x10, 0x0B, 0x0A, 0x0A, 0x0A, 0x0A, 0x00,
297 { /* mode#2: 800 x 600 16Bpp 60Hz */
302 0x03, 0x01, 0x0F, 0x03, 0x0E,
304 { /* Init_SR10_SR24 */
305 0xFF, 0xBE, 0xEE, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
306 0x99, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
307 0xC4, 0x30, 0x02, 0x01, 0x01,
309 { /* Init_SR30_SR75 */
310 0x34, 0x03, 0x20, 0x09, 0xC0, 0x24, 0x24, 0x24,
311 0x24, 0x24, 0x24, 0x24, 0x00, 0x00, 0x03, 0xFF,
312 0x00, 0xFC, 0x00, 0x00, 0x20, 0x38, 0x00, 0xFC,
313 0x20, 0x0C, 0x44, 0x20, 0x00, 0x24, 0x24, 0x24,
314 0x04, 0x48, 0x83, 0x63, 0x68, 0x72, 0x57, 0x58,
315 0x04, 0x55, 0x59, 0x24, 0x24, 0x00, 0x00, 0x24,
316 0x01, 0x80, 0x7A, 0x1A, 0x1A, 0x00, 0x00, 0x00,
317 0x50, 0x03, 0x74, 0x14, 0x1C, 0x85, 0x35, 0x13,
318 0x02, 0x45, 0x30, 0x35, 0x40, 0x20,
320 { /* Init_SR80_SR93 */
321 0x00, 0x00, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x24,
322 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x24, 0x24,
323 0x00, 0x00, 0x00, 0x00,
325 { /* Init_SRA0_SRAF */
326 0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
327 0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xBF, 0xDF,
329 { /* Init_GR00_GR08 */
330 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
333 { /* Init_AR00_AR14 */
334 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
335 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
336 0x41, 0x00, 0x0F, 0x00, 0x00,
338 { /* Init_CR00_CR18 */
339 0x7F, 0x63, 0x63, 0x00, 0x68, 0x18, 0x72, 0xF0,
340 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
341 0x58, 0x0C, 0x57, 0x64, 0x40, 0x57, 0x00, 0xE3,
344 { /* Init_CR30_CR4D */
345 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x03, 0x20,
346 0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xBF, 0xFD,
347 0x7F, 0x63, 0x00, 0x69, 0x18, 0x72, 0x57, 0x00,
348 0x58, 0x0C, 0xE0, 0x20, 0x63, 0x57,
350 { /* Init_CR90_CRA7 */
351 0x56, 0x4B, 0x5E, 0x55, 0x86, 0x9D, 0x8E, 0xAA,
352 0xDB, 0x2A, 0xDF, 0x33, 0x00, 0x00, 0x18, 0x00,
353 0x20, 0x1F, 0x1A, 0x19, 0x0F, 0x0F, 0x0F, 0x00,
356 { /* mode#3: 800 x 600 24Bpp 60Hz */
360 0x03, 0x01, 0x0F, 0x03, 0x0E,
362 { /* Init_SR10_SR24 */
363 0xFF, 0xBE, 0xEE, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
364 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
365 0xC4, 0x30, 0x02, 0x01, 0x01,
367 { /* Init_SR30_SR75 */
368 0x36, 0x03, 0x20, 0x09, 0xC0, 0x36, 0x36, 0x36,
369 0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x03, 0xFF,
370 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
371 0x20, 0x0C, 0x44, 0x20, 0x00, 0x36, 0x36, 0x36,
372 0x04, 0x48, 0x83, 0x63, 0x68, 0x72, 0x57, 0x58,
373 0x04, 0x55, 0x59, 0x36, 0x36, 0x00, 0x00, 0x36,
374 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
375 0x50, 0x03, 0x74, 0x14, 0x1C, 0x85, 0x35, 0x13,
376 0x02, 0x45, 0x30, 0x30, 0x40, 0x20,
378 { /* Init_SR80_SR93 */
379 0xFF, 0x07, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x36,
380 0xF7, 0x00, 0x00, 0x00, 0xEF, 0xFF, 0x36, 0x36,
381 0x00, 0x00, 0x00, 0x00,
383 { /* Init_SRA0_SRAF */
384 0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
385 0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xBF, 0xDF,
387 { /* Init_GR00_GR08 */
388 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
391 { /* Init_AR00_AR14 */
392 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
393 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
394 0x41, 0x00, 0x0F, 0x00, 0x00,
396 { /* Init_CR00_CR18 */
397 0x7F, 0x63, 0x63, 0x00, 0x68, 0x18, 0x72, 0xF0,
398 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
399 0x58, 0x0C, 0x57, 0x64, 0x40, 0x57, 0x00, 0xE3,
402 { /* Init_CR30_CR4D */
403 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x03, 0x20,
404 0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xBF, 0xFD,
405 0x7F, 0x63, 0x00, 0x69, 0x18, 0x72, 0x57, 0x00,
406 0x58, 0x0C, 0xE0, 0x20, 0x63, 0x57,
408 { /* Init_CR90_CRA7 */
409 0x56, 0x4B, 0x5E, 0x55, 0x86, 0x9D, 0x8E, 0xAA,
410 0xDB, 0x2A, 0xDF, 0x33, 0x00, 0x00, 0x18, 0x00,
411 0x20, 0x1F, 0x1A, 0x19, 0x0F, 0x0F, 0x0F, 0x00,
414 { /* mode#7: 800 x 600 32Bpp 60Hz */
419 0x03, 0x01, 0x0F, 0x03, 0x0E,
421 { /* Init_SR10_SR24 */
422 0xFF, 0xBE, 0xEE, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
423 0x99, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
424 0xC4, 0x30, 0x02, 0x01, 0x01,
426 { /* Init_SR30_SR75 */
427 0x34, 0x03, 0x20, 0x09, 0xC0, 0x24, 0x24, 0x24,
428 0x24, 0x24, 0x24, 0x24, 0x00, 0x00, 0x03, 0xFF,
429 0x00, 0xFC, 0x00, 0x00, 0x20, 0x38, 0x00, 0xFC,
430 0x20, 0x0C, 0x44, 0x20, 0x00, 0x24, 0x24, 0x24,
431 0x04, 0x48, 0x83, 0x63, 0x68, 0x72, 0x57, 0x58,
432 0x04, 0x55, 0x59, 0x24, 0x24, 0x00, 0x00, 0x24,
433 0x01, 0x80, 0x7A, 0x1A, 0x1A, 0x00, 0x00, 0x00,
434 0x50, 0x03, 0x74, 0x14, 0x1C, 0x85, 0x35, 0x13,
435 0x02, 0x45, 0x30, 0x35, 0x40, 0x20,
437 { /* Init_SR80_SR93 */
438 0x00, 0x00, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x24,
439 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x24, 0x24,
440 0x00, 0x00, 0x00, 0x00,
442 { /* Init_SRA0_SRAF */
443 0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
444 0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xBF, 0xDF,
446 { /* Init_GR00_GR08 */
447 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
450 { /* Init_AR00_AR14 */
451 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
452 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
453 0x41, 0x00, 0x0F, 0x00, 0x00,
455 { /* Init_CR00_CR18 */
456 0x7F, 0x63, 0x63, 0x00, 0x68, 0x18, 0x72, 0xF0,
457 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
458 0x58, 0x0C, 0x57, 0x64, 0x40, 0x57, 0x00, 0xE3,
461 { /* Init_CR30_CR4D */
462 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x03, 0x20,
463 0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xBF, 0xFD,
464 0x7F, 0x63, 0x00, 0x69, 0x18, 0x72, 0x57, 0x00,
465 0x58, 0x0C, 0xE0, 0x20, 0x63, 0x57,
467 { /* Init_CR90_CRA7 */
468 0x56, 0x4B, 0x5E, 0x55, 0x86, 0x9D, 0x8E, 0xAA,
469 0xDB, 0x2A, 0xDF, 0x33, 0x00, 0x00, 0x18, 0x00,
470 0x20, 0x1F, 0x1A, 0x19, 0x0F, 0x0F, 0x0F, 0x00,
473 /* We use 1024x768 table to light 1024x600 panel for lemote */
474 { /* mode#4: 1024 x 600 16Bpp 60Hz */
479 0x03, 0x01, 0x0F, 0x00, 0x0E,
481 { /* Init_SR10_SR24 */
482 0xC8, 0x40, 0x14, 0x60, 0x00, 0x0A, 0x17, 0x20,
483 0x51, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
484 0xC4, 0x30, 0x02, 0x00, 0x01,
486 { /* Init_SR30_SR75 */
487 0x22, 0x03, 0x24, 0x09, 0xC0, 0x22, 0x22, 0x22,
488 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x03, 0xFF,
489 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
490 0x20, 0x0C, 0x44, 0x20, 0x00, 0x22, 0x22, 0x22,
491 0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
492 0x00, 0x60, 0x59, 0x22, 0x22, 0x00, 0x00, 0x22,
493 0x01, 0x80, 0x7A, 0x1A, 0x1A, 0x00, 0x00, 0x00,
494 0x50, 0x03, 0x16, 0x02, 0x0D, 0x82, 0x09, 0x02,
495 0x04, 0x45, 0x3F, 0x30, 0x40, 0x20,
497 { /* Init_SR80_SR93 */
498 0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
499 0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
500 0x00, 0x00, 0x00, 0x00,
502 { /* Init_SRA0_SRAF */
503 0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
504 0x7B, 0xFB, 0xFF, 0xFF, 0x97, 0xEF, 0xBF, 0xDF,
506 { /* Init_GR00_GR08 */
507 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
510 { /* Init_AR00_AR14 */
511 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
512 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
513 0x41, 0x00, 0x0F, 0x00, 0x00,
515 { /* Init_CR00_CR18 */
516 0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
517 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
518 0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
521 { /* Init_CR30_CR4D */
522 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
523 0x00, 0x00, 0x00, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
524 0xA3, 0x7F, 0x00, 0x82, 0x0b, 0x6f, 0x57, 0x00,
525 0x5c, 0x0f, 0xE0, 0xe0, 0x7F, 0x57,
527 { /* Init_CR90_CRA7 */
528 0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
529 0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
530 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
533 { /* 1024 x 768 16Bpp 60Hz */
538 0x03, 0x01, 0x0F, 0x03, 0x0E,
540 { /* Init_SR10_SR24 */
541 0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
542 0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
543 0xC4, 0x30, 0x02, 0x01, 0x01,
545 { /* Init_SR30_SR75 */
546 0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
547 0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
548 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
549 0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
550 0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
551 0x0F, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
552 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
553 0x50, 0x03, 0x74, 0x14, 0x3B, 0x0D, 0x09, 0x02,
554 0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
556 { /* Init_SR80_SR93 */
557 0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
558 0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
559 0x00, 0x00, 0x00, 0x00,
561 { /* Init_SRA0_SRAF */
562 0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
563 0x7B, 0xFB, 0xFF, 0xFF, 0x97, 0xEF, 0xBF, 0xDF,
565 { /* Init_GR00_GR08 */
566 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
569 { /* Init_AR00_AR14 */
570 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
571 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
572 0x41, 0x00, 0x0F, 0x00, 0x00,
574 { /* Init_CR00_CR18 */
575 0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
576 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
577 0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
580 { /* Init_CR30_CR4D */
581 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
582 0x00, 0x00, 0x00, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
583 0xA3, 0x7F, 0x00, 0x86, 0x15, 0x24, 0xFF, 0x00,
584 0x01, 0x07, 0xE5, 0x20, 0x7F, 0xFF,
586 { /* Init_CR90_CRA7 */
587 0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
588 0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
589 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
592 { /* mode#5: 1024 x 768 24Bpp 60Hz */
597 0x03, 0x01, 0x0F, 0x03, 0x0E,
599 { /* Init_SR10_SR24 */
600 0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
601 0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
602 0xC4, 0x30, 0x02, 0x01, 0x01,
604 { /* Init_SR30_SR75 */
605 0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
606 0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
607 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
608 0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
609 0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
610 0x00, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
611 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
612 0x50, 0x03, 0x74, 0x14, 0x3B, 0x0D, 0x09, 0x02,
613 0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
615 { /* Init_SR80_SR93 */
616 0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
617 0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
618 0x00, 0x00, 0x00, 0x00,
620 { /* Init_SRA0_SRAF */
621 0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
622 0x7B, 0xFB, 0xFF, 0xFF, 0x97, 0xEF, 0xBF, 0xDF,
624 { /* Init_GR00_GR08 */
625 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
628 { /* Init_AR00_AR14 */
629 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
630 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
631 0x41, 0x00, 0x0F, 0x00, 0x00,
633 { /* Init_CR00_CR18 */
634 0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
635 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
636 0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
639 { /* Init_CR30_CR4D */
640 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
641 0x00, 0x00, 0x00, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
642 0xA3, 0x7F, 0x00, 0x86, 0x15, 0x24, 0xFF, 0x00,
643 0x01, 0x07, 0xE5, 0x20, 0x7F, 0xFF,
645 { /* Init_CR90_CRA7 */
646 0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
647 0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
648 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
651 { /* mode#4: 1024 x 768 32Bpp 60Hz */
656 0x03, 0x01, 0x0F, 0x03, 0x0E,
658 { /* Init_SR10_SR24 */
659 0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
660 0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
661 0xC4, 0x32, 0x02, 0x01, 0x01,
663 { /* Init_SR30_SR75 */
664 0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
665 0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
666 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
667 0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
668 0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
669 0x00, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
670 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
671 0x50, 0x03, 0x74, 0x14, 0x3B, 0x0D, 0x09, 0x02,
672 0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
674 { /* Init_SR80_SR93 */
675 0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
676 0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
677 0x00, 0x00, 0x00, 0x00,
679 { /* Init_SRA0_SRAF */
680 0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
681 0x7B, 0xFB, 0xFF, 0xFF, 0x97, 0xEF, 0xBF, 0xDF,
683 { /* Init_GR00_GR08 */
684 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
687 { /* Init_AR00_AR14 */
688 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
689 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
690 0x41, 0x00, 0x0F, 0x00, 0x00,
692 { /* Init_CR00_CR18 */
693 0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
694 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
695 0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
698 { /* Init_CR30_CR4D */
699 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
700 0x00, 0x00, 0x00, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
701 0xA3, 0x7F, 0x00, 0x86, 0x15, 0x24, 0xFF, 0x00,
702 0x01, 0x07, 0xE5, 0x20, 0x7F, 0xFF,
704 { /* Init_CR90_CRA7 */
705 0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
706 0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
707 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
710 { /* mode#6: 320 x 240 16Bpp 60Hz */
715 0x03, 0x01, 0x0F, 0x03, 0x0E,
717 { /* Init_SR10_SR24 */
718 0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
719 0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
720 0xC4, 0x32, 0x02, 0x01, 0x01,
722 { /* Init_SR30_SR75 */
723 0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
724 0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
725 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
726 0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
727 0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
728 0x00, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
729 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
730 0x50, 0x03, 0x74, 0x14, 0x08, 0x43, 0x08, 0x43,
731 0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
733 { /* Init_SR80_SR93 */
734 0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
735 0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
736 0x00, 0x00, 0x00, 0x00,
738 { /* Init_SRA0_SRAF */
739 0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
740 0x7B, 0xFB, 0xFF, 0xFF, 0x97, 0xEF, 0xBF, 0xDF,
742 { /* Init_GR00_GR08 */
743 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
746 { /* Init_AR00_AR14 */
747 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
748 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
749 0x41, 0x00, 0x0F, 0x00, 0x00,
751 { /* Init_CR00_CR18 */
752 0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
753 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
754 0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
757 { /* Init_CR30_CR4D */
758 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
759 0x00, 0x00, 0x30, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
760 0x2E, 0x27, 0x00, 0x2b, 0x0c, 0x0F, 0xEF, 0x00,
761 0xFe, 0x0f, 0x01, 0xC0, 0x27, 0xEF,
763 { /* Init_CR90_CRA7 */
764 0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
765 0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
766 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
770 { /* mode#8: 320 x 240 32Bpp 60Hz */
775 0x03, 0x01, 0x0F, 0x03, 0x0E,
777 { /* Init_SR10_SR24 */
778 0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
779 0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
780 0xC4, 0x32, 0x02, 0x01, 0x01,
782 { /* Init_SR30_SR75 */
783 0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
784 0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
785 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
786 0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
787 0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
788 0x00, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
789 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
790 0x50, 0x03, 0x74, 0x14, 0x08, 0x43, 0x08, 0x43,
791 0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
793 { /* Init_SR80_SR93 */
794 0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
795 0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
796 0x00, 0x00, 0x00, 0x00,
798 { /* Init_SRA0_SRAF */
799 0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
800 0x7B, 0xFB, 0xFF, 0xFF, 0x97, 0xEF, 0xBF, 0xDF,
802 { /* Init_GR00_GR08 */
803 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
806 { /* Init_AR00_AR14 */
807 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
808 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
809 0x41, 0x00, 0x0F, 0x00, 0x00,
811 { /* Init_CR00_CR18 */
812 0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
813 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
814 0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
817 { /* Init_CR30_CR4D */
818 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
819 0x00, 0x00, 0x30, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
820 0x2E, 0x27, 0x00, 0x2b, 0x0c, 0x0F, 0xEF, 0x00,
821 0xFe, 0x0f, 0x01, 0xC0, 0x27, 0xEF,
823 { /* Init_CR90_CRA7 */
824 0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
825 0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
826 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
831 static struct screen_info smtc_scr_info;
833 static char *mode_option;
835 /* process command line options, get vga parameter */
836 static void __init sm7xx_vga_setup(char *options)
840 if (!options || !*options)
843 smtc_scr_info.lfb_width = 0;
844 smtc_scr_info.lfb_height = 0;
845 smtc_scr_info.lfb_depth = 0;
847 pr_debug("%s = %s\n", __func__, options);
849 for (i = 0; i < ARRAY_SIZE(vesa_mode_table); i++) {
850 if (strstr(options, vesa_mode_table[i].index)) {
851 smtc_scr_info.lfb_width = vesa_mode_table[i].lfb_width;
852 smtc_scr_info.lfb_height =
853 vesa_mode_table[i].lfb_height;
854 smtc_scr_info.lfb_depth = vesa_mode_table[i].lfb_depth;
860 static void sm712_setpalette(int regno, unsigned int red, unsigned int green,
861 unsigned int blue, struct fb_info *info)
863 /* set bit 5:4 = 01 (write LCD RAM only) */
864 smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x10);
866 smtc_mmiowb(regno, dac_reg);
867 smtc_mmiowb(red >> 10, dac_val);
868 smtc_mmiowb(green >> 10, dac_val);
869 smtc_mmiowb(blue >> 10, dac_val);
874 * convert a colour value into a field position
879 static inline unsigned int chan_to_field(unsigned int chan,
880 struct fb_bitfield *bf)
883 chan >>= 16 - bf->length;
884 return chan << bf->offset;
887 static int smtc_blank(int blank_mode, struct fb_info *info)
889 struct smtcfb_info *sfb = info->par;
891 /* clear DPMS setting */
892 switch (blank_mode) {
893 case FB_BLANK_UNBLANK:
894 /* Screen On: HSync: On, VSync : On */
896 switch (sfb->chip_id) {
899 smtc_seqw(0x6a, 0x16);
900 smtc_seqw(0x6b, 0x02);
903 smtc_seqw(0x6a, 0x0d);
904 smtc_seqw(0x6b, 0x02);
908 smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
909 smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20)));
910 smtc_seqw(0x21, (smtc_seqr(0x21) & 0x77));
911 smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30)));
912 smtc_seqw(0x31, (smtc_seqr(0x31) | 0x03));
913 smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
915 case FB_BLANK_NORMAL:
916 /* Screen Off: HSync: On, VSync : On Soft blank */
917 smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
918 smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
919 smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
920 smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20)));
921 smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30)));
922 smtc_seqw(0x6a, 0x16);
923 smtc_seqw(0x6b, 0x02);
925 case FB_BLANK_VSYNC_SUSPEND:
926 /* Screen On: HSync: On, VSync : Off */
927 smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
928 smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
929 smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0x20));
930 smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
931 smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
932 smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
933 smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x20));
934 smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
935 smtc_seqw(0x6a, 0x0c);
936 smtc_seqw(0x6b, 0x02);
938 case FB_BLANK_HSYNC_SUSPEND:
939 /* Screen On: HSync: Off, VSync : On */
940 smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
941 smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
942 smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
943 smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
944 smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
945 smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
946 smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x10));
947 smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
948 smtc_seqw(0x6a, 0x0c);
949 smtc_seqw(0x6b, 0x02);
951 case FB_BLANK_POWERDOWN:
952 /* Screen On: HSync: Off, VSync : Off */
953 smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
954 smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
955 smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
956 smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
957 smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
958 smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
959 smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x30));
960 smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
961 smtc_seqw(0x6a, 0x0c);
962 smtc_seqw(0x6b, 0x02);
971 static int smtc_setcolreg(unsigned int regno, unsigned int red,
972 unsigned int green, unsigned int blue,
973 unsigned int trans, struct fb_info *info)
975 struct smtcfb_info *sfb;
983 switch (sfb->fb->fix.visual) {
984 case FB_VISUAL_DIRECTCOLOR:
985 case FB_VISUAL_TRUECOLOR:
987 * 16/32 bit true-colour, use pseudo-palette for 16 base color
991 if (sfb->fb->var.bits_per_pixel == 16) {
992 u32 *pal = sfb->fb->pseudo_palette;
994 val = chan_to_field(red, &sfb->fb->var.red);
995 val |= chan_to_field(green, &sfb->fb->var.green);
996 val |= chan_to_field(blue, &sfb->fb->var.blue);
997 pal[regno] = pal_rgb(red, green, blue, val);
999 u32 *pal = sfb->fb->pseudo_palette;
1001 val = chan_to_field(red, &sfb->fb->var.red);
1002 val |= chan_to_field(green, &sfb->fb->var.green);
1003 val |= chan_to_field(blue, &sfb->fb->var.blue);
1004 pal[regno] = big_swap(val);
1008 case FB_VISUAL_PSEUDOCOLOR:
1009 /* color depth 8 bit */
1010 sm712_setpalette(regno, red, green, blue, info);
1014 return 1; /* unknown type */
1020 static ssize_t smtcfb_read(struct fb_info *info, char __user *buf,
1021 size_t count, loff_t *ppos)
1023 unsigned long p = *ppos;
1027 int c, i, cnt = 0, err = 0;
1028 unsigned long total_size;
1030 if (!info || !info->screen_base)
1033 if (info->state != FBINFO_STATE_RUNNING)
1036 total_size = info->screen_size;
1038 if (total_size == 0)
1039 total_size = info->fix.smem_len;
1041 if (p >= total_size)
1044 if (count >= total_size)
1047 if (count + p > total_size)
1048 count = total_size - p;
1050 buffer = kmalloc(PAGE_SIZE, GFP_KERNEL);
1054 src = (u32 __iomem *)(info->screen_base + p);
1056 if (info->fbops->fb_sync)
1057 info->fbops->fb_sync(info);
1060 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
1062 for (i = (c + 3) >> 2; i--;) {
1065 val = fb_readl(src);
1066 *dst = big_swap(val);
1071 if (copy_to_user(buf, buffer, c)) {
1083 return (err) ? err : cnt;
1086 static ssize_t smtcfb_write(struct fb_info *info, const char __user *buf,
1087 size_t count, loff_t *ppos)
1089 unsigned long p = *ppos;
1093 int c, i, cnt = 0, err = 0;
1094 unsigned long total_size;
1096 if (!info || !info->screen_base)
1099 if (info->state != FBINFO_STATE_RUNNING)
1102 total_size = info->screen_size;
1104 if (total_size == 0)
1105 total_size = info->fix.smem_len;
1110 if (count > total_size) {
1115 if (count + p > total_size) {
1119 count = total_size - p;
1122 buffer = kmalloc(PAGE_SIZE, GFP_KERNEL);
1126 dst = (u32 __iomem *)(info->screen_base + p);
1128 if (info->fbops->fb_sync)
1129 info->fbops->fb_sync(info);
1132 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
1135 if (copy_from_user(src, buf, c)) {
1140 for (i = (c + 3) >> 2; i--;) {
1141 fb_writel(big_swap(*src), dst);
1154 return (cnt) ? cnt : err;
1157 static void sm7xx_set_timing(struct smtcfb_info *sfb)
1160 u32 m_nscreenstride;
1162 dev_dbg(&sfb->pdev->dev,
1163 "sfb->width=%d sfb->height=%d sfb->fb->var.bits_per_pixel=%d sfb->hz=%d\n",
1164 sfb->width, sfb->height, sfb->fb->var.bits_per_pixel, sfb->hz);
1166 for (j = 0; j < ARRAY_SIZE(vgamode); j++) {
1167 if (vgamode[j].mmsizex != sfb->width ||
1168 vgamode[j].mmsizey != sfb->height ||
1169 vgamode[j].bpp != sfb->fb->var.bits_per_pixel ||
1170 vgamode[j].hz != sfb->hz)
1173 dev_dbg(&sfb->pdev->dev,
1174 "vgamode[j].mmsizex=%d vgamode[j].mmSizeY=%d vgamode[j].bpp=%d vgamode[j].hz=%d\n",
1175 vgamode[j].mmsizex, vgamode[j].mmsizey,
1176 vgamode[j].bpp, vgamode[j].hz);
1178 dev_dbg(&sfb->pdev->dev, "vgamode index=%d\n", j);
1180 smtc_mmiowb(0x0, 0x3c6);
1184 smtc_mmiowb(vgamode[j].init_misc, 0x3c2);
1186 /* init SEQ register SR00 - SR04 */
1187 for (i = 0; i < SIZE_SR00_SR04; i++)
1188 smtc_seqw(i, vgamode[j].init_sr00_sr04[i]);
1190 /* init SEQ register SR10 - SR24 */
1191 for (i = 0; i < SIZE_SR10_SR24; i++)
1192 smtc_seqw(i + 0x10, vgamode[j].init_sr10_sr24[i]);
1194 /* init SEQ register SR30 - SR75 */
1195 for (i = 0; i < SIZE_SR30_SR75; i++)
1196 if ((i + 0x30) != 0x30 && (i + 0x30) != 0x62 &&
1197 (i + 0x30) != 0x6a && (i + 0x30) != 0x6b &&
1198 (i + 0x30) != 0x70 && (i + 0x30) != 0x71 &&
1199 (i + 0x30) != 0x74 && (i + 0x30) != 0x75)
1201 vgamode[j].init_sr30_sr75[i]);
1203 /* init SEQ register SR80 - SR93 */
1204 for (i = 0; i < SIZE_SR80_SR93; i++)
1205 smtc_seqw(i + 0x80, vgamode[j].init_sr80_sr93[i]);
1207 /* init SEQ register SRA0 - SRAF */
1208 for (i = 0; i < SIZE_SRA0_SRAF; i++)
1209 smtc_seqw(i + 0xa0, vgamode[j].init_sra0_sraf[i]);
1211 /* init Graphic register GR00 - GR08 */
1212 for (i = 0; i < SIZE_GR00_GR08; i++)
1213 smtc_grphw(i, vgamode[j].init_gr00_gr08[i]);
1215 /* init Attribute register AR00 - AR14 */
1216 for (i = 0; i < SIZE_AR00_AR14; i++)
1217 smtc_attrw(i, vgamode[j].init_ar00_ar14[i]);
1219 /* init CRTC register CR00 - CR18 */
1220 for (i = 0; i < SIZE_CR00_CR18; i++)
1221 smtc_crtcw(i, vgamode[j].init_cr00_cr18[i]);
1223 /* init CRTC register CR30 - CR4D */
1224 for (i = 0; i < SIZE_CR30_CR4D; i++) {
1225 if ((i + 0x30) >= 0x3B && (i + 0x30) <= 0x3F)
1226 /* side-effect, don't write to CR3B-CR3F */
1228 smtc_crtcw(i + 0x30, vgamode[j].init_cr30_cr4d[i]);
1231 /* init CRTC register CR90 - CRA7 */
1232 for (i = 0; i < SIZE_CR90_CRA7; i++)
1233 smtc_crtcw(i + 0x90, vgamode[j].init_cr90_cra7[i]);
1235 smtc_mmiowb(0x67, 0x3c2);
1237 /* set VPR registers */
1238 writel(0x0, sfb->vp_regs + 0x0C);
1239 writel(0x0, sfb->vp_regs + 0x40);
1241 /* set data width */
1242 m_nscreenstride = (sfb->width * sfb->fb->var.bits_per_pixel) / 64;
1243 switch (sfb->fb->var.bits_per_pixel) {
1245 writel(0x0, sfb->vp_regs + 0x0);
1248 writel(0x00020000, sfb->vp_regs + 0x0);
1251 writel(0x00040000, sfb->vp_regs + 0x0);
1254 writel(0x00030000, sfb->vp_regs + 0x0);
1257 writel((u32)(((m_nscreenstride + 2) << 16) | m_nscreenstride),
1258 sfb->vp_regs + 0x10);
1261 static void smtc_set_timing(struct smtcfb_info *sfb)
1263 switch (sfb->chip_id) {
1267 sm7xx_set_timing(sfb);
1272 static void smtcfb_setmode(struct smtcfb_info *sfb)
1274 switch (sfb->fb->var.bits_per_pixel) {
1276 sfb->fb->fix.visual = FB_VISUAL_TRUECOLOR;
1277 sfb->fb->fix.line_length = sfb->fb->var.xres * 4;
1278 sfb->fb->var.red.length = 8;
1279 sfb->fb->var.green.length = 8;
1280 sfb->fb->var.blue.length = 8;
1281 sfb->fb->var.red.offset = 16;
1282 sfb->fb->var.green.offset = 8;
1283 sfb->fb->var.blue.offset = 0;
1286 sfb->fb->fix.visual = FB_VISUAL_TRUECOLOR;
1287 sfb->fb->fix.line_length = sfb->fb->var.xres * 3;
1288 sfb->fb->var.red.length = 8;
1289 sfb->fb->var.green.length = 8;
1290 sfb->fb->var.blue.length = 8;
1291 sfb->fb->var.red.offset = 16;
1292 sfb->fb->var.green.offset = 8;
1293 sfb->fb->var.blue.offset = 0;
1296 sfb->fb->fix.visual = FB_VISUAL_PSEUDOCOLOR;
1297 sfb->fb->fix.line_length = sfb->fb->var.xres;
1298 sfb->fb->var.red.length = 3;
1299 sfb->fb->var.green.length = 3;
1300 sfb->fb->var.blue.length = 2;
1301 sfb->fb->var.red.offset = 5;
1302 sfb->fb->var.green.offset = 2;
1303 sfb->fb->var.blue.offset = 0;
1307 sfb->fb->fix.visual = FB_VISUAL_TRUECOLOR;
1308 sfb->fb->fix.line_length = sfb->fb->var.xres * 2;
1309 sfb->fb->var.red.length = 5;
1310 sfb->fb->var.green.length = 6;
1311 sfb->fb->var.blue.length = 5;
1312 sfb->fb->var.red.offset = 11;
1313 sfb->fb->var.green.offset = 5;
1314 sfb->fb->var.blue.offset = 0;
1318 sfb->width = sfb->fb->var.xres;
1319 sfb->height = sfb->fb->var.yres;
1321 smtc_set_timing(sfb);
1324 static int smtc_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1327 if (var->xres_virtual < var->xres)
1328 var->xres_virtual = var->xres;
1330 if (var->yres_virtual < var->yres)
1331 var->yres_virtual = var->yres;
1333 /* set valid default bpp */
1334 if ((var->bits_per_pixel != 8) && (var->bits_per_pixel != 16) &&
1335 (var->bits_per_pixel != 24) && (var->bits_per_pixel != 32))
1336 var->bits_per_pixel = 16;
1341 static int smtc_set_par(struct fb_info *info)
1343 smtcfb_setmode(info->par);
1348 static const struct fb_ops smtcfb_ops = {
1349 .owner = THIS_MODULE,
1350 .fb_check_var = smtc_check_var,
1351 .fb_set_par = smtc_set_par,
1352 .fb_setcolreg = smtc_setcolreg,
1353 .fb_blank = smtc_blank,
1354 .fb_fillrect = cfb_fillrect,
1355 .fb_imageblit = cfb_imageblit,
1356 .fb_copyarea = cfb_copyarea,
1357 .fb_read = smtcfb_read,
1358 .fb_write = smtcfb_write,
1362 * Unmap in the memory mapped IO registers
1365 static void smtc_unmap_mmio(struct smtcfb_info *sfb)
1367 if (sfb && smtc_regbaseaddress)
1368 smtc_regbaseaddress = NULL;
1372 * Map in the screen memory
1375 static int smtc_map_smem(struct smtcfb_info *sfb,
1376 struct pci_dev *pdev, u_long smem_len)
1378 sfb->fb->fix.smem_start = pci_resource_start(pdev, 0);
1380 if (sfb->chip_id == 0x720)
1381 /* on SM720, the framebuffer starts at the 1 MB offset */
1382 sfb->fb->fix.smem_start += 0x00200000;
1384 /* XXX: is it safe for SM720 on Big-Endian? */
1385 if (sfb->fb->var.bits_per_pixel == 32)
1386 sfb->fb->fix.smem_start += big_addr;
1388 sfb->fb->fix.smem_len = smem_len;
1390 sfb->fb->screen_base = sfb->lfb;
1392 if (!sfb->fb->screen_base) {
1394 "%s: unable to map screen memory\n", sfb->fb->fix.id);
1402 * Unmap in the screen memory
1405 static void smtc_unmap_smem(struct smtcfb_info *sfb)
1407 if (sfb && sfb->fb->screen_base) {
1408 if (sfb->chip_id == 0x720)
1409 sfb->fb->screen_base -= 0x00200000;
1410 iounmap(sfb->fb->screen_base);
1411 sfb->fb->screen_base = NULL;
1416 * We need to wake up the device and make sure its in linear memory mode.
1418 static inline void sm7xx_init_hw(void)
1420 outb_p(0x18, 0x3c4);
1421 outb_p(0x11, 0x3c5);
1424 static u_long sm7xx_vram_probe(struct smtcfb_info *sfb)
1428 switch (sfb->chip_id) {
1432 * Assume SM712 graphics chip has 4MB VRAM.
1434 * FIXME: SM712 can have 2MB VRAM, which is used on earlier
1435 * laptops, such as IBM Thinkpad 240X. This driver would
1436 * probably crash on those machines. If anyone gets one of
1437 * those and is willing to help, run "git blame" and send me
1442 outb_p(0x76, 0x3c4);
1443 vram = inb_p(0x3c5) >> 6;
1446 return 0x00800000; /* 8 MB */
1447 else if (vram == 0x01)
1448 return 0x01000000; /* 16 MB */
1449 else if (vram == 0x02)
1450 return 0x00400000; /* illegal, fallback to 4 MB */
1451 else if (vram == 0x03)
1452 return 0x00400000; /* 4 MB */
1454 return 0; /* unknown hardware */
1457 static void sm7xx_resolution_probe(struct smtcfb_info *sfb)
1459 /* get mode parameter from smtc_scr_info */
1460 if (smtc_scr_info.lfb_width != 0) {
1461 sfb->fb->var.xres = smtc_scr_info.lfb_width;
1462 sfb->fb->var.yres = smtc_scr_info.lfb_height;
1463 sfb->fb->var.bits_per_pixel = smtc_scr_info.lfb_depth;
1468 * No parameter, default resolution is 1024x768-16.
1470 * FIXME: earlier laptops, such as IBM Thinkpad 240X, has a 800x600
1471 * panel, also see the comments about Thinkpad 240X above.
1473 sfb->fb->var.xres = SCREEN_X_RES;
1474 sfb->fb->var.yres = SCREEN_Y_RES_PC;
1475 sfb->fb->var.bits_per_pixel = SCREEN_BPP;
1479 * Loongson MIPS netbooks use 1024x600 LCD panels, which is the original
1480 * target platform of this driver, but nearly all old x86 laptops have
1481 * 1024x768. Lighting 768 panels using 600's timings would partially
1482 * garble the display, so we don't want that. But it's not possible to
1483 * distinguish them reliably.
1485 * So we change the default to 768, but keep 600 as-is on MIPS.
1487 sfb->fb->var.yres = SCREEN_Y_RES_NETBOOK;
1491 big_pixel_depth(sfb->fb->var.bits_per_pixel, smtc_scr_info.lfb_depth);
1494 static int smtcfb_pci_probe(struct pci_dev *pdev,
1495 const struct pci_device_id *ent)
1497 struct smtcfb_info *sfb;
1498 struct fb_info *info;
1501 unsigned long mmio_base;
1503 dev_info(&pdev->dev, "Silicon Motion display driver.\n");
1505 err = pci_enable_device(pdev); /* enable SMTC chip */
1509 err = pci_request_region(pdev, 0, "sm7xxfb");
1511 dev_err(&pdev->dev, "cannot reserve framebuffer region\n");
1512 goto failed_regions;
1515 sprintf(smtcfb_fix.id, "sm%Xfb", ent->device);
1517 info = framebuffer_alloc(sizeof(*sfb), &pdev->dev);
1525 sfb->chip_id = ent->device;
1527 info->flags = FBINFO_FLAG_DEFAULT;
1528 info->fbops = &smtcfb_ops;
1529 info->fix = smtcfb_fix;
1530 info->var = smtcfb_var;
1531 info->pseudo_palette = sfb->colreg;
1534 pci_set_drvdata(pdev, sfb);
1538 /* Map address and memory detection */
1539 mmio_base = pci_resource_start(pdev, 0);
1540 pci_read_config_byte(pdev, PCI_REVISION_ID, &sfb->chip_rev_id);
1542 smem_size = sm7xx_vram_probe(sfb);
1543 dev_info(&pdev->dev, "%lu MiB of VRAM detected.\n",
1544 smem_size / 1048576);
1546 switch (sfb->chip_id) {
1549 sfb->fb->fix.mmio_start = mmio_base + 0x00400000;
1550 sfb->fb->fix.mmio_len = 0x00400000;
1551 sfb->lfb = ioremap(mmio_base, mmio_addr);
1554 "%s: unable to map memory mapped IO!\n",
1560 sfb->mmio = (smtc_regbaseaddress =
1561 sfb->lfb + 0x00700000);
1562 sfb->dp_regs = sfb->lfb + 0x00408000;
1563 sfb->vp_regs = sfb->lfb + 0x0040c000;
1564 if (sfb->fb->var.bits_per_pixel == 32) {
1565 sfb->lfb += big_addr;
1566 dev_info(&pdev->dev, "sfb->lfb=%p\n", sfb->lfb);
1569 /* set MCLK = 14.31818 * (0x16 / 0x2) */
1570 smtc_seqw(0x6a, 0x16);
1571 smtc_seqw(0x6b, 0x02);
1572 smtc_seqw(0x62, 0x3e);
1573 /* enable PCI burst */
1574 smtc_seqw(0x17, 0x20);
1575 /* enable word swap */
1576 if (sfb->fb->var.bits_per_pixel == 32)
1580 sfb->fb->fix.mmio_start = mmio_base;
1581 sfb->fb->fix.mmio_len = 0x00200000;
1582 sfb->dp_regs = ioremap(mmio_base, 0x00200000 + smem_size);
1583 if (!sfb->dp_regs) {
1585 "%s: unable to map memory mapped IO!\n",
1591 sfb->lfb = sfb->dp_regs + 0x00200000;
1592 sfb->mmio = (smtc_regbaseaddress =
1593 sfb->dp_regs + 0x000c0000);
1594 sfb->vp_regs = sfb->dp_regs + 0x800;
1596 smtc_seqw(0x62, 0xff);
1597 smtc_seqw(0x6a, 0x0d);
1598 smtc_seqw(0x6b, 0x02);
1602 "No valid Silicon Motion display chip was detected!\n");
1607 /* probe and decide resolution */
1608 sm7xx_resolution_probe(sfb);
1610 /* can support 32 bpp */
1611 if (sfb->fb->var.bits_per_pixel == 15)
1612 sfb->fb->var.bits_per_pixel = 16;
1614 sfb->fb->var.xres_virtual = sfb->fb->var.xres;
1615 sfb->fb->var.yres_virtual = sfb->fb->var.yres;
1616 err = smtc_map_smem(sfb, pdev, smem_size);
1621 * The screen would be temporarily garbled when sm712fb takes over
1622 * vesafb or VGA text mode. Zero the framebuffer.
1624 memset_io(sfb->lfb, 0, sfb->fb->fix.smem_len);
1626 err = register_framebuffer(info);
1630 dev_info(&pdev->dev,
1631 "Silicon Motion SM%X Rev%X primary display mode %dx%d-%d Init Complete.\n",
1632 sfb->chip_id, sfb->chip_rev_id, sfb->fb->var.xres,
1633 sfb->fb->var.yres, sfb->fb->var.bits_per_pixel);
1638 dev_err(&pdev->dev, "Silicon Motion, Inc. primary display init fail.\n");
1640 smtc_unmap_smem(sfb);
1641 smtc_unmap_mmio(sfb);
1643 framebuffer_release(info);
1646 pci_release_region(pdev, 0);
1649 pci_disable_device(pdev);
1657 * 0x720 (Lynx3DM, Lynx3DM+)
1659 static const struct pci_device_id smtcfb_pci_table[] = {
1660 { PCI_DEVICE(0x126f, 0x710), },
1661 { PCI_DEVICE(0x126f, 0x712), },
1662 { PCI_DEVICE(0x126f, 0x720), },
1666 MODULE_DEVICE_TABLE(pci, smtcfb_pci_table);
1668 static void smtcfb_pci_remove(struct pci_dev *pdev)
1670 struct smtcfb_info *sfb;
1672 sfb = pci_get_drvdata(pdev);
1673 smtc_unmap_smem(sfb);
1674 smtc_unmap_mmio(sfb);
1675 unregister_framebuffer(sfb->fb);
1676 framebuffer_release(sfb->fb);
1677 pci_release_region(pdev, 0);
1678 pci_disable_device(pdev);
1681 static int __maybe_unused smtcfb_pci_suspend(struct device *device)
1683 struct smtcfb_info *sfb = dev_get_drvdata(device);
1686 /* set the hw in sleep mode use external clock and self memory refresh
1687 * so that we can turn off internal PLLs later on
1689 smtc_seqw(0x20, (smtc_seqr(0x20) | 0xc0));
1690 smtc_seqw(0x69, (smtc_seqr(0x69) & 0xf7));
1693 fb_set_suspend(sfb->fb, 1);
1696 /* additionally turn off all function blocks including internal PLLs */
1697 smtc_seqw(0x21, 0xff);
1702 static int __maybe_unused smtcfb_pci_resume(struct device *device)
1704 struct smtcfb_info *sfb = dev_get_drvdata(device);
1707 /* reinit hardware */
1709 switch (sfb->chip_id) {
1712 /* set MCLK = 14.31818 * (0x16 / 0x2) */
1713 smtc_seqw(0x6a, 0x16);
1714 smtc_seqw(0x6b, 0x02);
1715 smtc_seqw(0x62, 0x3e);
1716 /* enable PCI burst */
1717 smtc_seqw(0x17, 0x20);
1718 if (sfb->fb->var.bits_per_pixel == 32)
1722 smtc_seqw(0x62, 0xff);
1723 smtc_seqw(0x6a, 0x0d);
1724 smtc_seqw(0x6b, 0x02);
1728 smtc_seqw(0x34, (smtc_seqr(0x34) | 0xc0));
1729 smtc_seqw(0x33, ((smtc_seqr(0x33) | 0x08) & 0xfb));
1731 smtcfb_setmode(sfb);
1734 fb_set_suspend(sfb->fb, 0);
1740 static SIMPLE_DEV_PM_OPS(sm7xx_pm_ops, smtcfb_pci_suspend, smtcfb_pci_resume);
1742 static struct pci_driver smtcfb_driver = {
1744 .id_table = smtcfb_pci_table,
1745 .probe = smtcfb_pci_probe,
1746 .remove = smtcfb_pci_remove,
1747 .driver.pm = &sm7xx_pm_ops,
1750 static int __init sm712fb_init(void)
1752 char *option = NULL;
1754 if (fb_get_options("sm712fb", &option))
1756 if (option && *option)
1757 mode_option = option;
1758 sm7xx_vga_setup(mode_option);
1760 return pci_register_driver(&smtcfb_driver);
1763 module_init(sm712fb_init);
1765 static void __exit sm712fb_exit(void)
1767 pci_unregister_driver(&smtcfb_driver);
1770 module_exit(sm712fb_exit);
1772 MODULE_AUTHOR("Siliconmotion ");
1773 MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards");
1774 MODULE_LICENSE("GPL");