Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 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. |
| 9 | * Author: Wu Zhangjin, wuzhangjin@gmail.com |
| 10 | * |
| 11 | * Copyright (C) 2011 Igalia, S.L. |
| 12 | * Author: Javier M. Mellid <jmunhoz@igalia.com> |
| 13 | * |
| 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 | * Framebuffer driver for Silicon Motion SM710, SM712, SM721 and SM722 chips |
| 19 | */ |
| 20 | |
| 21 | #include <linux/io.h> |
| 22 | #include <linux/fb.h> |
| 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> |
| 30 | |
| 31 | #ifdef CONFIG_PM |
| 32 | #include <linux/pm.h> |
| 33 | #endif |
| 34 | |
| 35 | #include "sm7xx.h" |
| 36 | |
| 37 | /* |
| 38 | * Private structure |
| 39 | */ |
| 40 | struct smtcfb_info { |
| 41 | struct pci_dev *pdev; |
| 42 | struct fb_info fb; |
| 43 | u16 chip_id; |
| 44 | u8 chip_rev_id; |
| 45 | |
| 46 | void __iomem *lfb; /* linear frame buffer */ |
| 47 | void __iomem *dp_regs; /* drawing processor control regs */ |
| 48 | void __iomem *vp_regs; /* video processor control regs */ |
| 49 | void __iomem *cp_regs; /* capture processor control regs */ |
| 50 | void __iomem *mmio; /* memory map IO port */ |
| 51 | |
| 52 | u_int width; |
| 53 | u_int height; |
| 54 | u_int hz; |
| 55 | |
| 56 | u32 colreg[17]; |
| 57 | }; |
| 58 | |
Sudip Mukherjee | 7412189 | 2015-02-03 20:23:33 +0530 | [diff] [blame^] | 59 | void __iomem *smtc_regbaseaddress; /* Memory Map IO starting address */ |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 60 | |
| 61 | static struct fb_var_screeninfo smtcfb_var = { |
| 62 | .xres = 1024, |
| 63 | .yres = 600, |
| 64 | .xres_virtual = 1024, |
| 65 | .yres_virtual = 600, |
| 66 | .bits_per_pixel = 16, |
| 67 | .red = {16, 8, 0}, |
| 68 | .green = {8, 8, 0}, |
| 69 | .blue = {0, 8, 0}, |
| 70 | .activate = FB_ACTIVATE_NOW, |
| 71 | .height = -1, |
| 72 | .width = -1, |
| 73 | .vmode = FB_VMODE_NONINTERLACED, |
| 74 | .nonstd = 0, |
| 75 | .accel_flags = FB_ACCELF_TEXT, |
| 76 | }; |
| 77 | |
| 78 | static struct fb_fix_screeninfo smtcfb_fix = { |
| 79 | .id = "smXXXfb", |
| 80 | .type = FB_TYPE_PACKED_PIXELS, |
| 81 | .visual = FB_VISUAL_TRUECOLOR, |
| 82 | .line_length = 800 * 3, |
| 83 | .accel = FB_ACCEL_SMI_LYNX, |
| 84 | .type_aux = 0, |
| 85 | .xpanstep = 0, |
| 86 | .ypanstep = 0, |
| 87 | .ywrapstep = 0, |
| 88 | }; |
| 89 | |
| 90 | struct vesa_mode { |
| 91 | char index[6]; |
| 92 | u16 lfb_width; |
| 93 | u16 lfb_height; |
| 94 | u16 lfb_depth; |
| 95 | }; |
| 96 | |
| 97 | static struct vesa_mode vesa_mode_table[] = { |
| 98 | {"0x301", 640, 480, 8}, |
| 99 | {"0x303", 800, 600, 8}, |
| 100 | {"0x305", 1024, 768, 8}, |
| 101 | {"0x307", 1280, 1024, 8}, |
| 102 | |
| 103 | {"0x311", 640, 480, 16}, |
| 104 | {"0x314", 800, 600, 16}, |
| 105 | {"0x317", 1024, 768, 16}, |
| 106 | {"0x31A", 1280, 1024, 16}, |
| 107 | |
| 108 | {"0x312", 640, 480, 24}, |
| 109 | {"0x315", 800, 600, 24}, |
| 110 | {"0x318", 1024, 768, 24}, |
| 111 | {"0x31B", 1280, 1024, 24}, |
| 112 | }; |
| 113 | |
Max Perepelitsyn | 11862b3 | 2015-02-03 14:44:28 +0600 | [diff] [blame] | 114 | static struct screen_info smtc_scr_info; |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 115 | |
| 116 | /* process command line options, get vga parameter */ |
| 117 | static int __init sm7xx_vga_setup(char *options) |
| 118 | { |
| 119 | int i; |
| 120 | |
| 121 | if (!options || !*options) |
| 122 | return -EINVAL; |
| 123 | |
| 124 | smtc_scr_info.lfb_width = 0; |
| 125 | smtc_scr_info.lfb_height = 0; |
| 126 | smtc_scr_info.lfb_depth = 0; |
| 127 | |
| 128 | pr_debug("sm7xx_vga_setup = %s\n", options); |
| 129 | |
| 130 | for (i = 0; i < ARRAY_SIZE(vesa_mode_table); i++) { |
| 131 | if (strstr(options, vesa_mode_table[i].index)) { |
| 132 | smtc_scr_info.lfb_width = vesa_mode_table[i].lfb_width; |
| 133 | smtc_scr_info.lfb_height = |
| 134 | vesa_mode_table[i].lfb_height; |
| 135 | smtc_scr_info.lfb_depth = vesa_mode_table[i].lfb_depth; |
| 136 | return 0; |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | return -1; |
| 141 | } |
| 142 | __setup("vga=", sm7xx_vga_setup); |
| 143 | |
| 144 | static void sm712_setpalette(int regno, unsigned red, unsigned green, |
| 145 | unsigned blue, struct fb_info *info) |
| 146 | { |
| 147 | /* set bit 5:4 = 01 (write LCD RAM only) */ |
| 148 | smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x10); |
| 149 | |
| 150 | smtc_mmiowb(regno, dac_reg); |
| 151 | smtc_mmiowb(red >> 10, dac_val); |
| 152 | smtc_mmiowb(green >> 10, dac_val); |
| 153 | smtc_mmiowb(blue >> 10, dac_val); |
| 154 | } |
| 155 | |
| 156 | /* chan_to_field |
| 157 | * |
| 158 | * convert a colour value into a field position |
| 159 | * |
| 160 | * from pxafb.c |
| 161 | */ |
| 162 | |
| 163 | static inline unsigned int chan_to_field(unsigned int chan, |
| 164 | struct fb_bitfield *bf) |
| 165 | { |
| 166 | chan &= 0xffff; |
| 167 | chan >>= 16 - bf->length; |
| 168 | return chan << bf->offset; |
| 169 | } |
| 170 | |
| 171 | static int smtc_blank(int blank_mode, struct fb_info *info) |
| 172 | { |
| 173 | /* clear DPMS setting */ |
| 174 | switch (blank_mode) { |
| 175 | case FB_BLANK_UNBLANK: |
| 176 | /* Screen On: HSync: On, VSync : On */ |
| 177 | smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20))); |
| 178 | smtc_seqw(0x6a, 0x16); |
| 179 | smtc_seqw(0x6b, 0x02); |
| 180 | smtc_seqw(0x21, (smtc_seqr(0x21) & 0x77)); |
| 181 | smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30))); |
| 182 | smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0))); |
| 183 | smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01)); |
| 184 | smtc_seqw(0x31, (smtc_seqr(0x31) | 0x03)); |
| 185 | break; |
| 186 | case FB_BLANK_NORMAL: |
| 187 | /* Screen Off: HSync: On, VSync : On Soft blank */ |
| 188 | smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20))); |
| 189 | smtc_seqw(0x6a, 0x16); |
| 190 | smtc_seqw(0x6b, 0x02); |
| 191 | smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30))); |
| 192 | smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0))); |
| 193 | smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01)); |
| 194 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); |
| 195 | break; |
| 196 | case FB_BLANK_VSYNC_SUSPEND: |
| 197 | /* Screen On: HSync: On, VSync : Off */ |
| 198 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); |
| 199 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); |
| 200 | smtc_seqw(0x6a, 0x0c); |
| 201 | smtc_seqw(0x6b, 0x02); |
| 202 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); |
| 203 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x20)); |
| 204 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0x20)); |
| 205 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); |
| 206 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); |
| 207 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); |
| 208 | break; |
| 209 | case FB_BLANK_HSYNC_SUSPEND: |
| 210 | /* Screen On: HSync: Off, VSync : On */ |
| 211 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); |
| 212 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); |
| 213 | smtc_seqw(0x6a, 0x0c); |
| 214 | smtc_seqw(0x6b, 0x02); |
| 215 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); |
| 216 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x10)); |
| 217 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8)); |
| 218 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); |
| 219 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); |
| 220 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); |
| 221 | break; |
| 222 | case FB_BLANK_POWERDOWN: |
| 223 | /* Screen On: HSync: Off, VSync : Off */ |
| 224 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); |
| 225 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); |
| 226 | smtc_seqw(0x6a, 0x0c); |
| 227 | smtc_seqw(0x6b, 0x02); |
| 228 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); |
| 229 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x30)); |
| 230 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8)); |
| 231 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); |
| 232 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); |
| 233 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); |
| 234 | break; |
| 235 | default: |
| 236 | return -EINVAL; |
| 237 | } |
| 238 | |
| 239 | return 0; |
| 240 | } |
| 241 | |
| 242 | static int smtc_setcolreg(unsigned regno, unsigned red, unsigned green, |
| 243 | unsigned blue, unsigned trans, struct fb_info *info) |
| 244 | { |
| 245 | struct smtcfb_info *sfb; |
| 246 | u32 val; |
| 247 | |
| 248 | sfb = info->par; |
| 249 | |
| 250 | if (regno > 255) |
| 251 | return 1; |
| 252 | |
| 253 | switch (sfb->fb.fix.visual) { |
| 254 | case FB_VISUAL_DIRECTCOLOR: |
| 255 | case FB_VISUAL_TRUECOLOR: |
| 256 | /* |
| 257 | * 16/32 bit true-colour, use pseudo-palette for 16 base color |
| 258 | */ |
| 259 | if (regno < 16) { |
| 260 | if (sfb->fb.var.bits_per_pixel == 16) { |
| 261 | u32 *pal = sfb->fb.pseudo_palette; |
Sudip Mukherjee | a1f6da6 | 2015-01-19 13:41:03 +0530 | [diff] [blame] | 262 | |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 263 | val = chan_to_field(red, &sfb->fb.var.red); |
| 264 | val |= chan_to_field(green, &sfb->fb.var.green); |
| 265 | val |= chan_to_field(blue, &sfb->fb.var.blue); |
| 266 | #ifdef __BIG_ENDIAN |
| 267 | pal[regno] = |
| 268 | ((red & 0xf800) >> 8) | |
| 269 | ((green & 0xe000) >> 13) | |
| 270 | ((green & 0x1c00) << 3) | |
| 271 | ((blue & 0xf800) >> 3); |
| 272 | #else |
| 273 | pal[regno] = val; |
| 274 | #endif |
| 275 | } else { |
| 276 | u32 *pal = sfb->fb.pseudo_palette; |
Sudip Mukherjee | a1f6da6 | 2015-01-19 13:41:03 +0530 | [diff] [blame] | 277 | |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 278 | val = chan_to_field(red, &sfb->fb.var.red); |
| 279 | val |= chan_to_field(green, &sfb->fb.var.green); |
| 280 | val |= chan_to_field(blue, &sfb->fb.var.blue); |
| 281 | #ifdef __BIG_ENDIAN |
| 282 | val = |
| 283 | (val & 0xff00ff00 >> 8) | |
| 284 | (val & 0x00ff00ff << 8); |
| 285 | #endif |
| 286 | pal[regno] = val; |
| 287 | } |
| 288 | } |
| 289 | break; |
| 290 | |
| 291 | case FB_VISUAL_PSEUDOCOLOR: |
| 292 | /* color depth 8 bit */ |
| 293 | sm712_setpalette(regno, red, green, blue, info); |
| 294 | break; |
| 295 | |
| 296 | default: |
| 297 | return 1; /* unknown type */ |
| 298 | } |
| 299 | |
| 300 | return 0; |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | #ifdef __BIG_ENDIAN |
| 304 | static ssize_t smtcfb_read(struct fb_info *info, char __user *buf, size_t |
| 305 | count, loff_t *ppos) |
| 306 | { |
| 307 | unsigned long p = *ppos; |
| 308 | |
| 309 | u32 *buffer, *dst; |
| 310 | u32 __iomem *src; |
| 311 | int c, i, cnt = 0, err = 0; |
| 312 | unsigned long total_size; |
| 313 | |
| 314 | if (!info || !info->screen_base) |
| 315 | return -ENODEV; |
| 316 | |
| 317 | if (info->state != FBINFO_STATE_RUNNING) |
| 318 | return -EPERM; |
| 319 | |
| 320 | total_size = info->screen_size; |
| 321 | |
| 322 | if (total_size == 0) |
| 323 | total_size = info->fix.smem_len; |
| 324 | |
| 325 | if (p >= total_size) |
| 326 | return 0; |
| 327 | |
| 328 | if (count >= total_size) |
| 329 | count = total_size; |
| 330 | |
| 331 | if (count + p > total_size) |
| 332 | count = total_size - p; |
| 333 | |
| 334 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); |
| 335 | if (!buffer) |
| 336 | return -ENOMEM; |
| 337 | |
| 338 | src = (u32 __iomem *) (info->screen_base + p); |
| 339 | |
| 340 | if (info->fbops->fb_sync) |
| 341 | info->fbops->fb_sync(info); |
| 342 | |
| 343 | while (count) { |
| 344 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; |
| 345 | dst = buffer; |
| 346 | for (i = c >> 2; i--;) { |
| 347 | *dst = fb_readl(src++); |
| 348 | *dst = |
| 349 | (*dst & 0xff00ff00 >> 8) | |
| 350 | (*dst & 0x00ff00ff << 8); |
| 351 | dst++; |
| 352 | } |
| 353 | if (c & 3) { |
Sudip Mukherjee | 53f54a4 | 2015-01-19 13:41:04 +0530 | [diff] [blame] | 354 | u8 *dst8 = (u8 *)dst; |
| 355 | u8 __iomem *src8 = (u8 __iomem *)src; |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 356 | |
| 357 | for (i = c & 3; i--;) { |
| 358 | if (i & 1) { |
| 359 | *dst8++ = fb_readb(++src8); |
| 360 | } else { |
| 361 | *dst8++ = fb_readb(--src8); |
| 362 | src8 += 2; |
| 363 | } |
| 364 | } |
Sudip Mukherjee | 53f54a4 | 2015-01-19 13:41:04 +0530 | [diff] [blame] | 365 | src = (u32 __iomem *)src8; |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | if (copy_to_user(buf, buffer, c)) { |
| 369 | err = -EFAULT; |
| 370 | break; |
| 371 | } |
| 372 | *ppos += c; |
| 373 | buf += c; |
| 374 | cnt += c; |
| 375 | count -= c; |
| 376 | } |
| 377 | |
| 378 | kfree(buffer); |
| 379 | |
| 380 | return (err) ? err : cnt; |
| 381 | } |
| 382 | |
| 383 | static ssize_t |
| 384 | smtcfb_write(struct fb_info *info, const char __user *buf, size_t count, |
| 385 | loff_t *ppos) |
| 386 | { |
| 387 | unsigned long p = *ppos; |
| 388 | |
| 389 | u32 *buffer, *src; |
| 390 | u32 __iomem *dst; |
| 391 | int c, i, cnt = 0, err = 0; |
| 392 | unsigned long total_size; |
| 393 | |
| 394 | if (!info || !info->screen_base) |
| 395 | return -ENODEV; |
| 396 | |
| 397 | if (info->state != FBINFO_STATE_RUNNING) |
| 398 | return -EPERM; |
| 399 | |
| 400 | total_size = info->screen_size; |
| 401 | |
| 402 | if (total_size == 0) |
| 403 | total_size = info->fix.smem_len; |
| 404 | |
| 405 | if (p > total_size) |
| 406 | return -EFBIG; |
| 407 | |
| 408 | if (count > total_size) { |
| 409 | err = -EFBIG; |
| 410 | count = total_size; |
| 411 | } |
| 412 | |
| 413 | if (count + p > total_size) { |
| 414 | if (!err) |
| 415 | err = -ENOSPC; |
| 416 | |
| 417 | count = total_size - p; |
| 418 | } |
| 419 | |
| 420 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); |
| 421 | if (!buffer) |
| 422 | return -ENOMEM; |
| 423 | |
| 424 | dst = (u32 __iomem *) (info->screen_base + p); |
| 425 | |
| 426 | if (info->fbops->fb_sync) |
| 427 | info->fbops->fb_sync(info); |
| 428 | |
| 429 | while (count) { |
| 430 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; |
| 431 | src = buffer; |
| 432 | |
| 433 | if (copy_from_user(src, buf, c)) { |
| 434 | err = -EFAULT; |
| 435 | break; |
| 436 | } |
| 437 | |
| 438 | for (i = c >> 2; i--;) { |
| 439 | fb_writel((*src & 0xff00ff00 >> 8) | |
| 440 | (*src & 0x00ff00ff << 8), dst++); |
| 441 | src++; |
| 442 | } |
| 443 | if (c & 3) { |
Sudip Mukherjee | 53f54a4 | 2015-01-19 13:41:04 +0530 | [diff] [blame] | 444 | u8 *src8 = (u8 *)src; |
| 445 | u8 __iomem *dst8 = (u8 __iomem *)dst; |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 446 | |
| 447 | for (i = c & 3; i--;) { |
| 448 | if (i & 1) { |
| 449 | fb_writeb(*src8++, ++dst8); |
| 450 | } else { |
| 451 | fb_writeb(*src8++, --dst8); |
| 452 | dst8 += 2; |
| 453 | } |
| 454 | } |
Sudip Mukherjee | 53f54a4 | 2015-01-19 13:41:04 +0530 | [diff] [blame] | 455 | dst = (u32 __iomem *)dst8; |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | *ppos += c; |
| 459 | buf += c; |
| 460 | cnt += c; |
| 461 | count -= c; |
| 462 | } |
| 463 | |
| 464 | kfree(buffer); |
| 465 | |
| 466 | return (cnt) ? cnt : err; |
| 467 | } |
| 468 | #endif /* ! __BIG_ENDIAN */ |
| 469 | |
| 470 | static void sm7xx_set_timing(struct smtcfb_info *sfb) |
| 471 | { |
| 472 | int i = 0, j = 0; |
| 473 | u32 m_nScreenStride; |
| 474 | |
| 475 | dev_dbg(&sfb->pdev->dev, |
| 476 | "sfb->width=%d sfb->height=%d sfb->fb.var.bits_per_pixel=%d sfb->hz=%d\n", |
| 477 | sfb->width, sfb->height, sfb->fb.var.bits_per_pixel, sfb->hz); |
| 478 | |
| 479 | for (j = 0; j < numVGAModes; j++) { |
| 480 | if (VGAMode[j].mmSizeX == sfb->width && |
| 481 | VGAMode[j].mmSizeY == sfb->height && |
| 482 | VGAMode[j].bpp == sfb->fb.var.bits_per_pixel && |
| 483 | VGAMode[j].hz == sfb->hz) { |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 484 | dev_dbg(&sfb->pdev->dev, |
| 485 | "VGAMode[j].mmSizeX=%d VGAMode[j].mmSizeY=%d VGAMode[j].bpp=%d VGAMode[j].hz=%d\n", |
| 486 | VGAMode[j].mmSizeX, VGAMode[j].mmSizeY, |
| 487 | VGAMode[j].bpp, VGAMode[j].hz); |
| 488 | |
| 489 | dev_dbg(&sfb->pdev->dev, "VGAMode index=%d\n", j); |
| 490 | |
| 491 | smtc_mmiowb(0x0, 0x3c6); |
| 492 | |
| 493 | smtc_seqw(0, 0x1); |
| 494 | |
| 495 | smtc_mmiowb(VGAMode[j].Init_MISC, 0x3c2); |
| 496 | |
| 497 | /* init SEQ register SR00 - SR04 */ |
| 498 | for (i = 0; i < SIZE_SR00_SR04; i++) |
| 499 | smtc_seqw(i, VGAMode[j].Init_SR00_SR04[i]); |
| 500 | |
| 501 | /* init SEQ register SR10 - SR24 */ |
| 502 | for (i = 0; i < SIZE_SR10_SR24; i++) |
| 503 | smtc_seqw(i + 0x10, |
| 504 | VGAMode[j].Init_SR10_SR24[i]); |
| 505 | |
| 506 | /* init SEQ register SR30 - SR75 */ |
| 507 | for (i = 0; i < SIZE_SR30_SR75; i++) |
| 508 | if ((i + 0x30) != 0x62 && |
| 509 | (i + 0x30) != 0x6a && |
| 510 | (i + 0x30) != 0x6b) |
| 511 | smtc_seqw(i + 0x30, |
Sudip Mukherjee | f049a52 | 2015-01-19 13:41:06 +0530 | [diff] [blame] | 512 | VGAMode[j].Init_SR30_SR75[i]); |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 513 | |
| 514 | /* init SEQ register SR80 - SR93 */ |
| 515 | for (i = 0; i < SIZE_SR80_SR93; i++) |
| 516 | smtc_seqw(i + 0x80, |
| 517 | VGAMode[j].Init_SR80_SR93[i]); |
| 518 | |
| 519 | /* init SEQ register SRA0 - SRAF */ |
| 520 | for (i = 0; i < SIZE_SRA0_SRAF; i++) |
| 521 | smtc_seqw(i + 0xa0, |
| 522 | VGAMode[j].Init_SRA0_SRAF[i]); |
| 523 | |
| 524 | /* init Graphic register GR00 - GR08 */ |
| 525 | for (i = 0; i < SIZE_GR00_GR08; i++) |
| 526 | smtc_grphw(i, VGAMode[j].Init_GR00_GR08[i]); |
| 527 | |
| 528 | /* init Attribute register AR00 - AR14 */ |
| 529 | for (i = 0; i < SIZE_AR00_AR14; i++) |
| 530 | smtc_attrw(i, VGAMode[j].Init_AR00_AR14[i]); |
| 531 | |
| 532 | /* init CRTC register CR00 - CR18 */ |
| 533 | for (i = 0; i < SIZE_CR00_CR18; i++) |
| 534 | smtc_crtcw(i, VGAMode[j].Init_CR00_CR18[i]); |
| 535 | |
| 536 | /* init CRTC register CR30 - CR4D */ |
| 537 | for (i = 0; i < SIZE_CR30_CR4D; i++) |
| 538 | smtc_crtcw(i + 0x30, |
| 539 | VGAMode[j].Init_CR30_CR4D[i]); |
| 540 | |
| 541 | /* init CRTC register CR90 - CRA7 */ |
| 542 | for (i = 0; i < SIZE_CR90_CRA7; i++) |
| 543 | smtc_crtcw(i + 0x90, |
| 544 | VGAMode[j].Init_CR90_CRA7[i]); |
| 545 | } |
| 546 | } |
| 547 | smtc_mmiowb(0x67, 0x3c2); |
| 548 | |
| 549 | /* set VPR registers */ |
| 550 | writel(0x0, sfb->vp_regs + 0x0C); |
| 551 | writel(0x0, sfb->vp_regs + 0x40); |
| 552 | |
| 553 | /* set data width */ |
| 554 | m_nScreenStride = |
| 555 | (sfb->width * sfb->fb.var.bits_per_pixel) / 64; |
| 556 | switch (sfb->fb.var.bits_per_pixel) { |
| 557 | case 8: |
| 558 | writel(0x0, sfb->vp_regs + 0x0); |
| 559 | break; |
| 560 | case 16: |
| 561 | writel(0x00020000, sfb->vp_regs + 0x0); |
| 562 | break; |
| 563 | case 24: |
| 564 | writel(0x00040000, sfb->vp_regs + 0x0); |
| 565 | break; |
| 566 | case 32: |
| 567 | writel(0x00030000, sfb->vp_regs + 0x0); |
| 568 | break; |
| 569 | } |
| 570 | writel((u32) (((m_nScreenStride + 2) << 16) | m_nScreenStride), |
| 571 | sfb->vp_regs + 0x10); |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 572 | } |
| 573 | |
| 574 | static void smtc_set_timing(struct smtcfb_info *sfb) |
| 575 | { |
| 576 | switch (sfb->chip_id) { |
| 577 | case 0x710: |
| 578 | case 0x712: |
| 579 | case 0x720: |
| 580 | sm7xx_set_timing(sfb); |
| 581 | break; |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | static void smtcfb_setmode(struct smtcfb_info *sfb) |
| 586 | { |
| 587 | switch (sfb->fb.var.bits_per_pixel) { |
| 588 | case 32: |
| 589 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; |
| 590 | sfb->fb.fix.line_length = sfb->fb.var.xres * 4; |
| 591 | sfb->fb.var.red.length = 8; |
| 592 | sfb->fb.var.green.length = 8; |
| 593 | sfb->fb.var.blue.length = 8; |
| 594 | sfb->fb.var.red.offset = 16; |
| 595 | sfb->fb.var.green.offset = 8; |
| 596 | sfb->fb.var.blue.offset = 0; |
| 597 | break; |
| 598 | case 24: |
| 599 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; |
| 600 | sfb->fb.fix.line_length = sfb->fb.var.xres * 3; |
| 601 | sfb->fb.var.red.length = 8; |
| 602 | sfb->fb.var.green.length = 8; |
| 603 | sfb->fb.var.blue.length = 8; |
| 604 | sfb->fb.var.red.offset = 16; |
| 605 | sfb->fb.var.green.offset = 8; |
| 606 | sfb->fb.var.blue.offset = 0; |
| 607 | break; |
| 608 | case 8: |
| 609 | sfb->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR; |
| 610 | sfb->fb.fix.line_length = sfb->fb.var.xres; |
| 611 | sfb->fb.var.red.length = 3; |
| 612 | sfb->fb.var.green.length = 3; |
| 613 | sfb->fb.var.blue.length = 2; |
| 614 | sfb->fb.var.red.offset = 5; |
| 615 | sfb->fb.var.green.offset = 2; |
| 616 | sfb->fb.var.blue.offset = 0; |
| 617 | break; |
| 618 | case 16: |
| 619 | default: |
| 620 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; |
| 621 | sfb->fb.fix.line_length = sfb->fb.var.xres * 2; |
| 622 | sfb->fb.var.red.length = 5; |
| 623 | sfb->fb.var.green.length = 6; |
| 624 | sfb->fb.var.blue.length = 5; |
| 625 | sfb->fb.var.red.offset = 11; |
| 626 | sfb->fb.var.green.offset = 5; |
| 627 | sfb->fb.var.blue.offset = 0; |
| 628 | break; |
| 629 | } |
| 630 | |
| 631 | sfb->width = sfb->fb.var.xres; |
| 632 | sfb->height = sfb->fb.var.yres; |
| 633 | sfb->hz = 60; |
| 634 | smtc_set_timing(sfb); |
| 635 | } |
| 636 | |
| 637 | static int smtc_check_var(struct fb_var_screeninfo *var, struct fb_info *info) |
| 638 | { |
| 639 | /* sanity checks */ |
| 640 | if (var->xres_virtual < var->xres) |
| 641 | var->xres_virtual = var->xres; |
| 642 | |
| 643 | if (var->yres_virtual < var->yres) |
| 644 | var->yres_virtual = var->yres; |
| 645 | |
| 646 | /* set valid default bpp */ |
| 647 | if ((var->bits_per_pixel != 8) && (var->bits_per_pixel != 16) && |
| 648 | (var->bits_per_pixel != 24) && (var->bits_per_pixel != 32)) |
| 649 | var->bits_per_pixel = 16; |
| 650 | |
| 651 | return 0; |
| 652 | } |
| 653 | |
| 654 | static int smtc_set_par(struct fb_info *info) |
| 655 | { |
| 656 | smtcfb_setmode(info->par); |
| 657 | |
| 658 | return 0; |
| 659 | } |
| 660 | |
| 661 | static struct fb_ops smtcfb_ops = { |
| 662 | .owner = THIS_MODULE, |
| 663 | .fb_check_var = smtc_check_var, |
| 664 | .fb_set_par = smtc_set_par, |
| 665 | .fb_setcolreg = smtc_setcolreg, |
| 666 | .fb_blank = smtc_blank, |
| 667 | .fb_fillrect = cfb_fillrect, |
| 668 | .fb_imageblit = cfb_imageblit, |
| 669 | .fb_copyarea = cfb_copyarea, |
| 670 | #ifdef __BIG_ENDIAN |
| 671 | .fb_read = smtcfb_read, |
| 672 | .fb_write = smtcfb_write, |
| 673 | #endif |
| 674 | }; |
| 675 | |
| 676 | /* |
| 677 | * alloc struct smtcfb_info and assign default values |
| 678 | */ |
| 679 | static struct smtcfb_info *smtc_alloc_fb_info(struct pci_dev *pdev) |
| 680 | { |
| 681 | struct smtcfb_info *sfb; |
| 682 | |
| 683 | sfb = kzalloc(sizeof(*sfb), GFP_KERNEL); |
| 684 | |
| 685 | if (!sfb) |
| 686 | return NULL; |
| 687 | |
| 688 | sfb->pdev = pdev; |
| 689 | |
| 690 | sfb->fb.flags = FBINFO_FLAG_DEFAULT; |
| 691 | sfb->fb.fbops = &smtcfb_ops; |
| 692 | sfb->fb.fix = smtcfb_fix; |
| 693 | sfb->fb.var = smtcfb_var; |
| 694 | sfb->fb.pseudo_palette = sfb->colreg; |
| 695 | sfb->fb.par = sfb; |
| 696 | |
| 697 | return sfb; |
| 698 | } |
| 699 | |
| 700 | /* |
| 701 | * free struct smtcfb_info |
| 702 | */ |
| 703 | static void smtc_free_fb_info(struct smtcfb_info *sfb) |
| 704 | { |
| 705 | kfree(sfb); |
| 706 | } |
| 707 | |
| 708 | /* |
| 709 | * Unmap in the memory mapped IO registers |
| 710 | */ |
| 711 | |
| 712 | static void smtc_unmap_mmio(struct smtcfb_info *sfb) |
| 713 | { |
Sudip Mukherjee | 7412189 | 2015-02-03 20:23:33 +0530 | [diff] [blame^] | 714 | if (sfb && smtc_regbaseaddress) |
| 715 | smtc_regbaseaddress = NULL; |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 716 | } |
| 717 | |
| 718 | /* |
| 719 | * Map in the screen memory |
| 720 | */ |
| 721 | |
| 722 | static int smtc_map_smem(struct smtcfb_info *sfb, |
Sudip Mukherjee | f049a52 | 2015-01-19 13:41:06 +0530 | [diff] [blame] | 723 | struct pci_dev *pdev, u_long smem_len) |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 724 | { |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 725 | sfb->fb.fix.smem_start = pci_resource_start(pdev, 0); |
| 726 | |
| 727 | #ifdef __BIG_ENDIAN |
| 728 | if (sfb->fb.var.bits_per_pixel == 32) |
| 729 | sfb->fb.fix.smem_start += 0x800000; |
| 730 | #endif |
| 731 | |
| 732 | sfb->fb.fix.smem_len = smem_len; |
| 733 | |
| 734 | sfb->fb.screen_base = sfb->lfb; |
| 735 | |
| 736 | if (!sfb->fb.screen_base) { |
| 737 | dev_err(&pdev->dev, |
| 738 | "%s: unable to map screen memory\n", sfb->fb.fix.id); |
| 739 | return -ENOMEM; |
| 740 | } |
| 741 | |
| 742 | return 0; |
| 743 | } |
| 744 | |
| 745 | /* |
| 746 | * Unmap in the screen memory |
| 747 | * |
| 748 | */ |
| 749 | static void smtc_unmap_smem(struct smtcfb_info *sfb) |
| 750 | { |
| 751 | if (sfb && sfb->fb.screen_base) { |
| 752 | iounmap(sfb->fb.screen_base); |
| 753 | sfb->fb.screen_base = NULL; |
| 754 | } |
| 755 | } |
| 756 | |
| 757 | /* |
| 758 | * We need to wake up the device and make sure its in linear memory mode. |
| 759 | */ |
| 760 | static inline void sm7xx_init_hw(void) |
| 761 | { |
| 762 | outb_p(0x18, 0x3c4); |
| 763 | outb_p(0x11, 0x3c5); |
| 764 | } |
| 765 | |
| 766 | static int smtcfb_pci_probe(struct pci_dev *pdev, |
Sudip Mukherjee | f049a52 | 2015-01-19 13:41:06 +0530 | [diff] [blame] | 767 | const struct pci_device_id *ent) |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 768 | { |
| 769 | struct smtcfb_info *sfb; |
| 770 | u_long smem_size = 0x00800000; /* default 8MB */ |
| 771 | int err; |
| 772 | unsigned long mmio_base; |
| 773 | |
| 774 | dev_info(&pdev->dev, "Silicon Motion display driver."); |
| 775 | |
| 776 | err = pci_enable_device(pdev); /* enable SMTC chip */ |
| 777 | if (err) |
| 778 | return err; |
| 779 | |
| 780 | sprintf(smtcfb_fix.id, "sm%Xfb", ent->device); |
| 781 | |
| 782 | sfb = smtc_alloc_fb_info(pdev); |
| 783 | |
| 784 | if (!sfb) { |
| 785 | err = -ENOMEM; |
| 786 | goto failed_free; |
| 787 | } |
| 788 | |
| 789 | sfb->chip_id = ent->device; |
| 790 | |
| 791 | pci_set_drvdata(pdev, sfb); |
| 792 | |
| 793 | sm7xx_init_hw(); |
| 794 | |
| 795 | /* get mode parameter from smtc_scr_info */ |
| 796 | if (smtc_scr_info.lfb_width != 0) { |
| 797 | sfb->fb.var.xres = smtc_scr_info.lfb_width; |
| 798 | sfb->fb.var.yres = smtc_scr_info.lfb_height; |
| 799 | sfb->fb.var.bits_per_pixel = smtc_scr_info.lfb_depth; |
| 800 | } else { |
| 801 | /* default resolution 1024x600 16bit mode */ |
| 802 | sfb->fb.var.xres = SCREEN_X_RES; |
| 803 | sfb->fb.var.yres = SCREEN_Y_RES; |
| 804 | sfb->fb.var.bits_per_pixel = SCREEN_BPP; |
| 805 | } |
| 806 | |
| 807 | #ifdef __BIG_ENDIAN |
| 808 | if (sfb->fb.var.bits_per_pixel == 24) |
| 809 | sfb->fb.var.bits_per_pixel = (smtc_scr_info.lfb_depth = 32); |
| 810 | #endif |
| 811 | /* Map address and memory detection */ |
| 812 | mmio_base = pci_resource_start(pdev, 0); |
| 813 | pci_read_config_byte(pdev, PCI_REVISION_ID, &sfb->chip_rev_id); |
| 814 | |
| 815 | switch (sfb->chip_id) { |
| 816 | case 0x710: |
| 817 | case 0x712: |
| 818 | sfb->fb.fix.mmio_start = mmio_base + 0x00400000; |
| 819 | sfb->fb.fix.mmio_len = 0x00400000; |
| 820 | smem_size = SM712_VIDEOMEMORYSIZE; |
| 821 | #ifdef __BIG_ENDIAN |
| 822 | sfb->lfb = ioremap(mmio_base, 0x00c00000); |
| 823 | #else |
| 824 | sfb->lfb = ioremap(mmio_base, 0x00800000); |
| 825 | #endif |
Sudip Mukherjee | 7412189 | 2015-02-03 20:23:33 +0530 | [diff] [blame^] | 826 | sfb->mmio = (smtc_regbaseaddress = |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 827 | sfb->lfb + 0x00700000); |
| 828 | sfb->dp_regs = sfb->lfb + 0x00408000; |
| 829 | sfb->vp_regs = sfb->lfb + 0x0040c000; |
| 830 | #ifdef __BIG_ENDIAN |
| 831 | if (sfb->fb.var.bits_per_pixel == 32) { |
| 832 | sfb->lfb += 0x800000; |
| 833 | dev_info(&pdev->dev, "sfb->lfb=%p", sfb->lfb); |
| 834 | } |
| 835 | #endif |
Sudip Mukherjee | 7412189 | 2015-02-03 20:23:33 +0530 | [diff] [blame^] | 836 | if (!smtc_regbaseaddress) { |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 837 | dev_err(&pdev->dev, |
| 838 | "%s: unable to map memory mapped IO!", |
| 839 | sfb->fb.fix.id); |
| 840 | err = -ENOMEM; |
| 841 | goto failed_fb; |
| 842 | } |
| 843 | |
| 844 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ |
| 845 | smtc_seqw(0x6a, 0x16); |
| 846 | smtc_seqw(0x6b, 0x02); |
| 847 | smtc_seqw(0x62, 0x3e); |
| 848 | /* enable PCI burst */ |
| 849 | smtc_seqw(0x17, 0x20); |
| 850 | /* enable word swap */ |
| 851 | #ifdef __BIG_ENDIAN |
| 852 | if (sfb->fb.var.bits_per_pixel == 32) |
| 853 | smtc_seqw(0x17, 0x30); |
| 854 | #endif |
| 855 | break; |
| 856 | case 0x720: |
| 857 | sfb->fb.fix.mmio_start = mmio_base; |
| 858 | sfb->fb.fix.mmio_len = 0x00200000; |
| 859 | smem_size = SM722_VIDEOMEMORYSIZE; |
| 860 | sfb->dp_regs = ioremap(mmio_base, 0x00a00000); |
| 861 | sfb->lfb = sfb->dp_regs + 0x00200000; |
Sudip Mukherjee | 7412189 | 2015-02-03 20:23:33 +0530 | [diff] [blame^] | 862 | sfb->mmio = (smtc_regbaseaddress = |
Sudip Mukherjee | a8e8f89 | 2015-01-19 13:41:00 +0530 | [diff] [blame] | 863 | sfb->dp_regs + 0x000c0000); |
| 864 | sfb->vp_regs = sfb->dp_regs + 0x800; |
| 865 | |
| 866 | smtc_seqw(0x62, 0xff); |
| 867 | smtc_seqw(0x6a, 0x0d); |
| 868 | smtc_seqw(0x6b, 0x02); |
| 869 | break; |
| 870 | default: |
| 871 | dev_err(&pdev->dev, |
| 872 | "No valid Silicon Motion display chip was detected!"); |
| 873 | |
| 874 | goto failed_fb; |
| 875 | } |
| 876 | |
| 877 | /* can support 32 bpp */ |
| 878 | if (15 == sfb->fb.var.bits_per_pixel) |
| 879 | sfb->fb.var.bits_per_pixel = 16; |
| 880 | |
| 881 | sfb->fb.var.xres_virtual = sfb->fb.var.xres; |
| 882 | sfb->fb.var.yres_virtual = sfb->fb.var.yres; |
| 883 | err = smtc_map_smem(sfb, pdev, smem_size); |
| 884 | if (err) |
| 885 | goto failed; |
| 886 | |
| 887 | smtcfb_setmode(sfb); |
| 888 | |
| 889 | err = register_framebuffer(&sfb->fb); |
| 890 | if (err < 0) |
| 891 | goto failed; |
| 892 | |
| 893 | dev_info(&pdev->dev, |
| 894 | "Silicon Motion SM%X Rev%X primary display mode %dx%d-%d Init Complete.", |
| 895 | sfb->chip_id, sfb->chip_rev_id, sfb->fb.var.xres, |
| 896 | sfb->fb.var.yres, sfb->fb.var.bits_per_pixel); |
| 897 | |
| 898 | return 0; |
| 899 | |
| 900 | failed: |
| 901 | dev_err(&pdev->dev, "Silicon Motion, Inc. primary display init fail."); |
| 902 | |
| 903 | smtc_unmap_smem(sfb); |
| 904 | smtc_unmap_mmio(sfb); |
| 905 | failed_fb: |
| 906 | smtc_free_fb_info(sfb); |
| 907 | |
| 908 | failed_free: |
| 909 | pci_disable_device(pdev); |
| 910 | |
| 911 | return err; |
| 912 | } |
| 913 | |
| 914 | /* |
| 915 | * 0x710 (LynxEM) |
| 916 | * 0x712 (LynxEM+) |
| 917 | * 0x720 (Lynx3DM, Lynx3DM+) |
| 918 | */ |
| 919 | static const struct pci_device_id smtcfb_pci_table[] = { |
| 920 | { PCI_DEVICE(0x126f, 0x710), }, |
| 921 | { PCI_DEVICE(0x126f, 0x712), }, |
| 922 | { PCI_DEVICE(0x126f, 0x720), }, |
| 923 | {0,} |
| 924 | }; |
| 925 | |
| 926 | static void smtcfb_pci_remove(struct pci_dev *pdev) |
| 927 | { |
| 928 | struct smtcfb_info *sfb; |
| 929 | |
| 930 | sfb = pci_get_drvdata(pdev); |
| 931 | smtc_unmap_smem(sfb); |
| 932 | smtc_unmap_mmio(sfb); |
| 933 | unregister_framebuffer(&sfb->fb); |
| 934 | smtc_free_fb_info(sfb); |
| 935 | } |
| 936 | |
| 937 | #ifdef CONFIG_PM |
| 938 | static int smtcfb_pci_suspend(struct device *device) |
| 939 | { |
| 940 | struct pci_dev *pdev = to_pci_dev(device); |
| 941 | struct smtcfb_info *sfb; |
| 942 | |
| 943 | sfb = pci_get_drvdata(pdev); |
| 944 | |
| 945 | /* set the hw in sleep mode use external clock and self memory refresh |
| 946 | * so that we can turn off internal PLLs later on |
| 947 | */ |
| 948 | smtc_seqw(0x20, (smtc_seqr(0x20) | 0xc0)); |
| 949 | smtc_seqw(0x69, (smtc_seqr(0x69) & 0xf7)); |
| 950 | |
| 951 | console_lock(); |
| 952 | fb_set_suspend(&sfb->fb, 1); |
| 953 | console_unlock(); |
| 954 | |
| 955 | /* additionally turn off all function blocks including internal PLLs */ |
| 956 | smtc_seqw(0x21, 0xff); |
| 957 | |
| 958 | return 0; |
| 959 | } |
| 960 | |
| 961 | static int smtcfb_pci_resume(struct device *device) |
| 962 | { |
| 963 | struct pci_dev *pdev = to_pci_dev(device); |
| 964 | struct smtcfb_info *sfb; |
| 965 | |
| 966 | sfb = pci_get_drvdata(pdev); |
| 967 | |
| 968 | /* reinit hardware */ |
| 969 | sm7xx_init_hw(); |
| 970 | switch (sfb->chip_id) { |
| 971 | case 0x710: |
| 972 | case 0x712: |
| 973 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ |
| 974 | smtc_seqw(0x6a, 0x16); |
| 975 | smtc_seqw(0x6b, 0x02); |
| 976 | smtc_seqw(0x62, 0x3e); |
| 977 | /* enable PCI burst */ |
| 978 | smtc_seqw(0x17, 0x20); |
| 979 | #ifdef __BIG_ENDIAN |
| 980 | if (sfb->fb.var.bits_per_pixel == 32) |
| 981 | smtc_seqw(0x17, 0x30); |
| 982 | #endif |
| 983 | break; |
| 984 | case 0x720: |
| 985 | smtc_seqw(0x62, 0xff); |
| 986 | smtc_seqw(0x6a, 0x0d); |
| 987 | smtc_seqw(0x6b, 0x02); |
| 988 | break; |
| 989 | } |
| 990 | |
| 991 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0xc0)); |
| 992 | smtc_seqw(0x33, ((smtc_seqr(0x33) | 0x08) & 0xfb)); |
| 993 | |
| 994 | smtcfb_setmode(sfb); |
| 995 | |
| 996 | console_lock(); |
| 997 | fb_set_suspend(&sfb->fb, 0); |
| 998 | console_unlock(); |
| 999 | |
| 1000 | return 0; |
| 1001 | } |
| 1002 | |
| 1003 | static SIMPLE_DEV_PM_OPS(sm7xx_pm_ops, smtcfb_pci_suspend, smtcfb_pci_resume); |
| 1004 | #define SM7XX_PM_OPS (&sm7xx_pm_ops) |
| 1005 | |
| 1006 | #else /* !CONFIG_PM */ |
| 1007 | |
| 1008 | #define SM7XX_PM_OPS NULL |
| 1009 | |
| 1010 | #endif /* !CONFIG_PM */ |
| 1011 | |
| 1012 | static struct pci_driver smtcfb_driver = { |
| 1013 | .name = "smtcfb", |
| 1014 | .id_table = smtcfb_pci_table, |
| 1015 | .probe = smtcfb_pci_probe, |
| 1016 | .remove = smtcfb_pci_remove, |
| 1017 | .driver.pm = SM7XX_PM_OPS, |
| 1018 | }; |
| 1019 | |
| 1020 | module_pci_driver(smtcfb_driver); |
| 1021 | |
| 1022 | MODULE_AUTHOR("Siliconmotion "); |
| 1023 | MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards"); |
| 1024 | MODULE_LICENSE("GPL"); |