Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [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 |
Patrick Rooney | ed57d08 | 2010-03-10 09:37:45 +0000 | [diff] [blame] | 6 | * Boyod boyod.yang@siliconmotion.com.cn |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 7 | * |
| 8 | * Copyright (C) 2009 Lemote, Inc. |
Wu Zhangjin | f7a904d | 2010-01-04 17:16:51 +0800 | [diff] [blame] | 9 | * Author: Wu Zhangjin, wuzhangjin@gmail.com |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 10 | * |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 11 | * Copyright (C) 2011 Igalia, S.L. |
| 12 | * Author: Javier M. Mellid <jmunhoz@igalia.com> |
| 13 | * |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 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 |
Patrick Rooney | ed57d08 | 2010-03-10 09:37:45 +0000 | [diff] [blame] | 19 | * - Add PowerPC/Big endian support |
Javier M. Mellid | 3b70a26 | 2011-04-30 17:44:26 +0200 | [diff] [blame] | 20 | * - Verified on 2.6.19.2 |
| 21 | * Boyod.yang <boyod.yang@siliconmotion.com.cn> |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 22 | * |
| 23 | * Version 0.09.2621.00.01 |
Javier M. Mellid | 3b70a26 | 2011-04-30 17:44:26 +0200 | [diff] [blame] | 24 | * - Only support Linux Kernel's version 2.6.21 |
| 25 | * Boyod.yang <boyod.yang@siliconmotion.com.cn> |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 26 | * |
| 27 | * Version 0.09 |
Javier M. Mellid | 3b70a26 | 2011-04-30 17:44:26 +0200 | [diff] [blame] | 28 | * - Only support Linux Kernel's version 2.6.12 |
Patrick Rooney | ed57d08 | 2010-03-10 09:37:45 +0000 | [diff] [blame] | 29 | * Boyod.yang <boyod.yang@siliconmotion.com.cn> |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 30 | */ |
| 31 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 32 | #include <linux/io.h> |
| 33 | #include <linux/fb.h> |
| 34 | #include <linux/pci.h> |
| 35 | #include <linux/init.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 36 | #include <linux/slab.h> |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 37 | #include <linux/uaccess.h> |
| 38 | #include <linux/console.h> |
| 39 | #include <linux/screen_info.h> |
| 40 | |
| 41 | #ifdef CONFIG_PM |
| 42 | #include <linux/pm.h> |
| 43 | #endif |
| 44 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 45 | #include "smtcfb.h" |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 46 | |
| 47 | #ifdef DEBUG |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 48 | #define smdbg(format, arg...) printk(KERN_DEBUG format , ## arg) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 49 | #else |
| 50 | #define smdbg(format, arg...) |
| 51 | #endif |
| 52 | |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 53 | struct screen_info smtc_screen_info; |
| 54 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 55 | /* |
| 56 | * Private structure |
| 57 | */ |
| 58 | struct smtcfb_info { |
| 59 | /* |
| 60 | * The following is a pointer to be passed into the |
| 61 | * functions below. The modules outside the main |
| 62 | * voyager.c driver have no knowledge as to what |
| 63 | * is within this structure. |
| 64 | */ |
| 65 | struct fb_info fb; |
| 66 | struct display_switch *dispsw; |
| 67 | struct pci_dev *dev; |
| 68 | signed int currcon; |
| 69 | |
| 70 | struct { |
| 71 | u8 red, green, blue; |
| 72 | } palette[NR_RGB]; |
| 73 | |
| 74 | u_int palette_size; |
| 75 | }; |
| 76 | |
| 77 | struct par_info { |
| 78 | /* |
| 79 | * Hardware |
| 80 | */ |
| 81 | u16 chipID; |
| 82 | unsigned char __iomem *m_pMMIO; |
| 83 | char __iomem *m_pLFB; |
| 84 | char *m_pDPR; |
| 85 | char *m_pVPR; |
| 86 | char *m_pCPR; |
| 87 | |
| 88 | u_int width; |
| 89 | u_int height; |
| 90 | u_int hz; |
| 91 | u_long BaseAddressInVRAM; |
| 92 | u8 chipRevID; |
| 93 | }; |
| 94 | |
| 95 | struct vesa_mode_table { |
| 96 | char mode_index[6]; |
| 97 | u16 lfb_width; |
| 98 | u16 lfb_height; |
| 99 | u16 lfb_depth; |
| 100 | }; |
| 101 | |
| 102 | static struct vesa_mode_table vesa_mode[] = { |
| 103 | {"0x301", 640, 480, 8}, |
| 104 | {"0x303", 800, 600, 8}, |
Javier M. Mellid | 3b70a26 | 2011-04-30 17:44:26 +0200 | [diff] [blame] | 105 | {"0x305", 1024, 768, 8}, |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 106 | {"0x307", 1280, 1024, 8}, |
| 107 | |
| 108 | {"0x311", 640, 480, 16}, |
| 109 | {"0x314", 800, 600, 16}, |
Javier M. Mellid | 3b70a26 | 2011-04-30 17:44:26 +0200 | [diff] [blame] | 110 | {"0x317", 1024, 768, 16}, |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 111 | {"0x31A", 1280, 1024, 16}, |
| 112 | |
| 113 | {"0x312", 640, 480, 24}, |
| 114 | {"0x315", 800, 600, 24}, |
Javier M. Mellid | 3b70a26 | 2011-04-30 17:44:26 +0200 | [diff] [blame] | 115 | {"0x318", 1024, 768, 24}, |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 116 | {"0x31B", 1280, 1024, 24}, |
| 117 | }; |
| 118 | |
| 119 | char __iomem *smtc_RegBaseAddress; /* Memory Map IO starting address */ |
| 120 | char __iomem *smtc_VRAMBaseAddress; /* video memory starting address */ |
| 121 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 122 | static u32 colreg[17]; |
| 123 | static struct par_info hw; /* hardware information */ |
| 124 | |
| 125 | u16 smtc_ChipIDs[] = { |
| 126 | 0x710, |
| 127 | 0x712, |
| 128 | 0x720 |
| 129 | }; |
| 130 | |
anish kumar | 1639c8a | 2011-05-19 20:58:42 +0530 | [diff] [blame] | 131 | #define numSMTCchipIDs ARRAY_SIZE(smtc_ChipIDs) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 132 | |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 133 | static struct fb_var_screeninfo smtcfb_var = { |
| 134 | .xres = 1024, |
| 135 | .yres = 600, |
| 136 | .xres_virtual = 1024, |
| 137 | .yres_virtual = 600, |
| 138 | .bits_per_pixel = 16, |
| 139 | .red = {16, 8, 0}, |
| 140 | .green = {8, 8, 0}, |
| 141 | .blue = {0, 8, 0}, |
| 142 | .activate = FB_ACTIVATE_NOW, |
| 143 | .height = -1, |
| 144 | .width = -1, |
| 145 | .vmode = FB_VMODE_NONINTERLACED, |
| 146 | }; |
| 147 | |
| 148 | static struct fb_fix_screeninfo smtcfb_fix = { |
| 149 | .id = "sm712fb", |
| 150 | .type = FB_TYPE_PACKED_PIXELS, |
| 151 | .visual = FB_VISUAL_TRUECOLOR, |
| 152 | .line_length = 800 * 3, |
| 153 | .accel = FB_ACCEL_SMI_LYNX, |
| 154 | }; |
| 155 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 156 | static void sm712_set_timing(struct smtcfb_info *sfb, |
| 157 | struct par_info *ppar_info) |
| 158 | { |
| 159 | int i = 0, j = 0; |
| 160 | u32 m_nScreenStride; |
| 161 | |
| 162 | smdbg("\nppar_info->width = %d ppar_info->height = %d" |
| 163 | "sfb->fb.var.bits_per_pixel = %d ppar_info->hz = %d\n", |
| 164 | ppar_info->width, ppar_info->height, |
| 165 | sfb->fb.var.bits_per_pixel, ppar_info->hz); |
| 166 | |
| 167 | for (j = 0; j < numVGAModes; j++) { |
| 168 | if (VGAMode[j].mmSizeX == ppar_info->width && |
| 169 | VGAMode[j].mmSizeY == ppar_info->height && |
| 170 | VGAMode[j].bpp == sfb->fb.var.bits_per_pixel && |
| 171 | VGAMode[j].hz == ppar_info->hz) { |
| 172 | |
| 173 | smdbg("\nVGAMode[j].mmSizeX = %d VGAMode[j].mmSizeY =" |
| 174 | "%d VGAMode[j].bpp = %d" |
| 175 | "VGAMode[j].hz=%d\n", |
| 176 | VGAMode[j].mmSizeX, VGAMode[j].mmSizeY, |
| 177 | VGAMode[j].bpp, VGAMode[j].hz); |
| 178 | |
| 179 | smdbg("VGAMode index=%d\n", j); |
| 180 | |
| 181 | smtc_mmiowb(0x0, 0x3c6); |
| 182 | |
| 183 | smtc_seqw(0, 0x1); |
| 184 | |
| 185 | smtc_mmiowb(VGAMode[j].Init_MISC, 0x3c2); |
| 186 | |
| 187 | /* init SEQ register SR00 - SR04 */ |
| 188 | for (i = 0; i < SIZE_SR00_SR04; i++) |
| 189 | smtc_seqw(i, VGAMode[j].Init_SR00_SR04[i]); |
| 190 | |
| 191 | /* init SEQ register SR10 - SR24 */ |
| 192 | for (i = 0; i < SIZE_SR10_SR24; i++) |
| 193 | smtc_seqw(i + 0x10, |
| 194 | VGAMode[j].Init_SR10_SR24[i]); |
| 195 | |
| 196 | /* init SEQ register SR30 - SR75 */ |
| 197 | for (i = 0; i < SIZE_SR30_SR75; i++) |
| 198 | if (((i + 0x30) != 0x62) \ |
| 199 | && ((i + 0x30) != 0x6a) \ |
| 200 | && ((i + 0x30) != 0x6b)) |
| 201 | smtc_seqw(i + 0x30, |
| 202 | VGAMode[j].Init_SR30_SR75[i]); |
| 203 | |
| 204 | /* init SEQ register SR80 - SR93 */ |
| 205 | for (i = 0; i < SIZE_SR80_SR93; i++) |
| 206 | smtc_seqw(i + 0x80, |
| 207 | VGAMode[j].Init_SR80_SR93[i]); |
| 208 | |
| 209 | /* init SEQ register SRA0 - SRAF */ |
| 210 | for (i = 0; i < SIZE_SRA0_SRAF; i++) |
| 211 | smtc_seqw(i + 0xa0, |
| 212 | VGAMode[j].Init_SRA0_SRAF[i]); |
| 213 | |
| 214 | /* init Graphic register GR00 - GR08 */ |
| 215 | for (i = 0; i < SIZE_GR00_GR08; i++) |
| 216 | smtc_grphw(i, VGAMode[j].Init_GR00_GR08[i]); |
| 217 | |
| 218 | /* init Attribute register AR00 - AR14 */ |
| 219 | for (i = 0; i < SIZE_AR00_AR14; i++) |
| 220 | smtc_attrw(i, VGAMode[j].Init_AR00_AR14[i]); |
| 221 | |
| 222 | /* init CRTC register CR00 - CR18 */ |
| 223 | for (i = 0; i < SIZE_CR00_CR18; i++) |
| 224 | smtc_crtcw(i, VGAMode[j].Init_CR00_CR18[i]); |
| 225 | |
| 226 | /* init CRTC register CR30 - CR4D */ |
| 227 | for (i = 0; i < SIZE_CR30_CR4D; i++) |
| 228 | smtc_crtcw(i + 0x30, |
| 229 | VGAMode[j].Init_CR30_CR4D[i]); |
| 230 | |
| 231 | /* init CRTC register CR90 - CRA7 */ |
| 232 | for (i = 0; i < SIZE_CR90_CRA7; i++) |
| 233 | smtc_crtcw(i + 0x90, |
| 234 | VGAMode[j].Init_CR90_CRA7[i]); |
| 235 | } |
| 236 | } |
| 237 | smtc_mmiowb(0x67, 0x3c2); |
| 238 | |
| 239 | /* set VPR registers */ |
| 240 | writel(0x0, ppar_info->m_pVPR + 0x0C); |
| 241 | writel(0x0, ppar_info->m_pVPR + 0x40); |
| 242 | |
| 243 | /* set data width */ |
| 244 | m_nScreenStride = |
| 245 | (ppar_info->width * sfb->fb.var.bits_per_pixel) / 64; |
| 246 | switch (sfb->fb.var.bits_per_pixel) { |
| 247 | case 8: |
| 248 | writel(0x0, ppar_info->m_pVPR + 0x0); |
| 249 | break; |
| 250 | case 16: |
| 251 | writel(0x00020000, ppar_info->m_pVPR + 0x0); |
| 252 | break; |
| 253 | case 24: |
| 254 | writel(0x00040000, ppar_info->m_pVPR + 0x0); |
| 255 | break; |
| 256 | case 32: |
| 257 | writel(0x00030000, ppar_info->m_pVPR + 0x0); |
| 258 | break; |
| 259 | } |
| 260 | writel((u32) (((m_nScreenStride + 2) << 16) | m_nScreenStride), |
| 261 | ppar_info->m_pVPR + 0x10); |
| 262 | |
| 263 | } |
| 264 | |
| 265 | static void sm712_setpalette(int regno, unsigned red, unsigned green, |
| 266 | unsigned blue, struct fb_info *info) |
| 267 | { |
| 268 | struct par_info *cur_par = (struct par_info *)info->par; |
| 269 | |
| 270 | if (cur_par->BaseAddressInVRAM) |
| 271 | /* |
| 272 | * second display palette for dual head. Enable CRT RAM, 6-bit |
| 273 | * RAM |
| 274 | */ |
| 275 | smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x20); |
| 276 | else |
| 277 | /* primary display palette. Enable LCD RAM only, 6-bit RAM */ |
| 278 | smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x10); |
| 279 | smtc_mmiowb(regno, dac_reg); |
| 280 | smtc_mmiowb(red >> 10, dac_val); |
| 281 | smtc_mmiowb(green >> 10, dac_val); |
| 282 | smtc_mmiowb(blue >> 10, dac_val); |
| 283 | } |
| 284 | |
| 285 | static void smtc_set_timing(struct smtcfb_info *sfb, struct par_info |
| 286 | *ppar_info) |
| 287 | { |
| 288 | switch (ppar_info->chipID) { |
| 289 | case 0x710: |
| 290 | case 0x712: |
| 291 | case 0x720: |
| 292 | sm712_set_timing(sfb, ppar_info); |
| 293 | break; |
| 294 | } |
| 295 | } |
| 296 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 297 | /* chan_to_field |
| 298 | * |
| 299 | * convert a colour value into a field position |
| 300 | * |
| 301 | * from pxafb.c |
| 302 | */ |
| 303 | |
| 304 | static inline unsigned int chan_to_field(unsigned int chan, |
| 305 | struct fb_bitfield *bf) |
| 306 | { |
| 307 | chan &= 0xffff; |
| 308 | chan >>= 16 - bf->length; |
| 309 | return chan << bf->offset; |
| 310 | } |
| 311 | |
Wu Zhangjin | 3af8057 | 2010-01-06 16:33:10 +0800 | [diff] [blame] | 312 | static int cfb_blank(int blank_mode, struct fb_info *info) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 313 | { |
| 314 | /* clear DPMS setting */ |
| 315 | switch (blank_mode) { |
| 316 | case FB_BLANK_UNBLANK: |
| 317 | /* Screen On: HSync: On, VSync : On */ |
| 318 | smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20))); |
| 319 | smtc_seqw(0x6a, 0x16); |
| 320 | smtc_seqw(0x6b, 0x02); |
| 321 | smtc_seqw(0x21, (smtc_seqr(0x21) & 0x77)); |
| 322 | smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30))); |
| 323 | smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0))); |
| 324 | smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01)); |
| 325 | smtc_seqw(0x31, (smtc_seqr(0x31) | 0x03)); |
| 326 | break; |
| 327 | case FB_BLANK_NORMAL: |
| 328 | /* Screen Off: HSync: On, VSync : On Soft blank */ |
| 329 | smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20))); |
| 330 | smtc_seqw(0x6a, 0x16); |
| 331 | smtc_seqw(0x6b, 0x02); |
| 332 | smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30))); |
| 333 | smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0))); |
| 334 | smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01)); |
| 335 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); |
| 336 | break; |
| 337 | case FB_BLANK_VSYNC_SUSPEND: |
| 338 | /* Screen On: HSync: On, VSync : Off */ |
| 339 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); |
| 340 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); |
| 341 | smtc_seqw(0x6a, 0x0c); |
| 342 | smtc_seqw(0x6b, 0x02); |
| 343 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); |
| 344 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x20)); |
| 345 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0x20)); |
| 346 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); |
| 347 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); |
| 348 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); |
| 349 | break; |
| 350 | case FB_BLANK_HSYNC_SUSPEND: |
| 351 | /* Screen On: HSync: Off, VSync : On */ |
| 352 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); |
| 353 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); |
| 354 | smtc_seqw(0x6a, 0x0c); |
| 355 | smtc_seqw(0x6b, 0x02); |
| 356 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); |
| 357 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x10)); |
| 358 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8)); |
| 359 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); |
| 360 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); |
| 361 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); |
| 362 | break; |
| 363 | case FB_BLANK_POWERDOWN: |
| 364 | /* Screen On: HSync: Off, VSync : Off */ |
| 365 | smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20)); |
| 366 | smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0))); |
| 367 | smtc_seqw(0x6a, 0x0c); |
| 368 | smtc_seqw(0x6b, 0x02); |
| 369 | smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88)); |
| 370 | smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x30)); |
| 371 | smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8)); |
| 372 | smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01))); |
| 373 | smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00)); |
| 374 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80)); |
| 375 | break; |
| 376 | default: |
| 377 | return -EINVAL; |
| 378 | } |
| 379 | |
| 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | static int smtc_setcolreg(unsigned regno, unsigned red, unsigned green, |
| 384 | unsigned blue, unsigned trans, struct fb_info *info) |
| 385 | { |
| 386 | struct smtcfb_info *sfb = (struct smtcfb_info *)info; |
| 387 | u32 val; |
| 388 | |
| 389 | if (regno > 255) |
| 390 | return 1; |
| 391 | |
| 392 | switch (sfb->fb.fix.visual) { |
| 393 | case FB_VISUAL_DIRECTCOLOR: |
| 394 | case FB_VISUAL_TRUECOLOR: |
| 395 | /* |
| 396 | * 16/32 bit true-colour, use pseuo-palette for 16 base color |
| 397 | */ |
| 398 | if (regno < 16) { |
| 399 | if (sfb->fb.var.bits_per_pixel == 16) { |
| 400 | u32 *pal = sfb->fb.pseudo_palette; |
| 401 | val = chan_to_field(red, &sfb->fb.var.red); |
| 402 | val |= chan_to_field(green, \ |
| 403 | &sfb->fb.var.green); |
| 404 | val |= chan_to_field(blue, &sfb->fb.var.blue); |
| 405 | #ifdef __BIG_ENDIAN |
| 406 | pal[regno] = |
| 407 | ((red & 0xf800) >> 8) | |
| 408 | ((green & 0xe000) >> 13) | |
| 409 | ((green & 0x1c00) << 3) | |
| 410 | ((blue & 0xf800) >> 3); |
| 411 | #else |
| 412 | pal[regno] = val; |
| 413 | #endif |
| 414 | } else { |
| 415 | u32 *pal = sfb->fb.pseudo_palette; |
| 416 | val = chan_to_field(red, &sfb->fb.var.red); |
| 417 | val |= chan_to_field(green, \ |
| 418 | &sfb->fb.var.green); |
| 419 | val |= chan_to_field(blue, &sfb->fb.var.blue); |
| 420 | #ifdef __BIG_ENDIAN |
| 421 | val = |
| 422 | (val & 0xff00ff00 >> 8) | |
| 423 | (val & 0x00ff00ff << 8); |
| 424 | #endif |
| 425 | pal[regno] = val; |
| 426 | } |
| 427 | } |
| 428 | break; |
| 429 | |
| 430 | case FB_VISUAL_PSEUDOCOLOR: |
| 431 | /* color depth 8 bit */ |
| 432 | sm712_setpalette(regno, red, green, blue, info); |
| 433 | break; |
| 434 | |
| 435 | default: |
| 436 | return 1; /* unknown type */ |
| 437 | } |
| 438 | |
| 439 | return 0; |
| 440 | |
| 441 | } |
| 442 | |
| 443 | #ifdef __BIG_ENDIAN |
| 444 | static ssize_t smtcfb_read(struct fb_info *info, char __user * buf, size_t |
| 445 | count, loff_t *ppos) |
| 446 | { |
| 447 | unsigned long p = *ppos; |
| 448 | |
| 449 | u32 *buffer, *dst; |
| 450 | u32 __iomem *src; |
| 451 | int c, i, cnt = 0, err = 0; |
| 452 | unsigned long total_size; |
| 453 | |
| 454 | if (!info || !info->screen_base) |
| 455 | return -ENODEV; |
| 456 | |
| 457 | if (info->state != FBINFO_STATE_RUNNING) |
| 458 | return -EPERM; |
| 459 | |
| 460 | total_size = info->screen_size; |
| 461 | |
| 462 | if (total_size == 0) |
| 463 | total_size = info->fix.smem_len; |
| 464 | |
| 465 | if (p >= total_size) |
| 466 | return 0; |
| 467 | |
| 468 | if (count >= total_size) |
| 469 | count = total_size; |
| 470 | |
| 471 | if (count + p > total_size) |
| 472 | count = total_size - p; |
| 473 | |
| 474 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); |
| 475 | if (!buffer) |
| 476 | return -ENOMEM; |
| 477 | |
| 478 | src = (u32 __iomem *) (info->screen_base + p); |
| 479 | |
| 480 | if (info->fbops->fb_sync) |
| 481 | info->fbops->fb_sync(info); |
| 482 | |
| 483 | while (count) { |
| 484 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; |
| 485 | dst = buffer; |
| 486 | for (i = c >> 2; i--;) { |
| 487 | *dst = fb_readl(src++); |
| 488 | *dst = |
| 489 | (*dst & 0xff00ff00 >> 8) | |
| 490 | (*dst & 0x00ff00ff << 8); |
| 491 | dst++; |
| 492 | } |
| 493 | if (c & 3) { |
| 494 | u8 *dst8 = (u8 *) dst; |
| 495 | u8 __iomem *src8 = (u8 __iomem *) src; |
| 496 | |
| 497 | for (i = c & 3; i--;) { |
| 498 | if (i & 1) { |
| 499 | *dst8++ = fb_readb(++src8); |
| 500 | } else { |
| 501 | *dst8++ = fb_readb(--src8); |
| 502 | src8 += 2; |
| 503 | } |
| 504 | } |
| 505 | src = (u32 __iomem *) src8; |
| 506 | } |
| 507 | |
| 508 | if (copy_to_user(buf, buffer, c)) { |
| 509 | err = -EFAULT; |
| 510 | break; |
| 511 | } |
| 512 | *ppos += c; |
| 513 | buf += c; |
| 514 | cnt += c; |
| 515 | count -= c; |
| 516 | } |
| 517 | |
| 518 | kfree(buffer); |
| 519 | |
| 520 | return (err) ? err : cnt; |
| 521 | } |
| 522 | |
| 523 | static ssize_t |
| 524 | smtcfb_write(struct fb_info *info, const char __user *buf, size_t count, |
| 525 | loff_t *ppos) |
| 526 | { |
| 527 | unsigned long p = *ppos; |
| 528 | |
| 529 | u32 *buffer, *src; |
| 530 | u32 __iomem *dst; |
| 531 | int c, i, cnt = 0, err = 0; |
| 532 | unsigned long total_size; |
| 533 | |
| 534 | if (!info || !info->screen_base) |
| 535 | return -ENODEV; |
| 536 | |
| 537 | if (info->state != FBINFO_STATE_RUNNING) |
| 538 | return -EPERM; |
| 539 | |
| 540 | total_size = info->screen_size; |
| 541 | |
| 542 | if (total_size == 0) |
| 543 | total_size = info->fix.smem_len; |
| 544 | |
| 545 | if (p > total_size) |
| 546 | return -EFBIG; |
| 547 | |
| 548 | if (count > total_size) { |
| 549 | err = -EFBIG; |
| 550 | count = total_size; |
| 551 | } |
| 552 | |
| 553 | if (count + p > total_size) { |
| 554 | if (!err) |
| 555 | err = -ENOSPC; |
| 556 | |
| 557 | count = total_size - p; |
| 558 | } |
| 559 | |
| 560 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); |
| 561 | if (!buffer) |
| 562 | return -ENOMEM; |
| 563 | |
| 564 | dst = (u32 __iomem *) (info->screen_base + p); |
| 565 | |
| 566 | if (info->fbops->fb_sync) |
| 567 | info->fbops->fb_sync(info); |
| 568 | |
| 569 | while (count) { |
| 570 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; |
| 571 | src = buffer; |
| 572 | |
| 573 | if (copy_from_user(src, buf, c)) { |
| 574 | err = -EFAULT; |
| 575 | break; |
| 576 | } |
| 577 | |
| 578 | for (i = c >> 2; i--;) { |
| 579 | fb_writel((*src & 0xff00ff00 >> 8) | |
| 580 | (*src & 0x00ff00ff << 8), dst++); |
| 581 | src++; |
| 582 | } |
| 583 | if (c & 3) { |
| 584 | u8 *src8 = (u8 *) src; |
| 585 | u8 __iomem *dst8 = (u8 __iomem *) dst; |
| 586 | |
| 587 | for (i = c & 3; i--;) { |
| 588 | if (i & 1) { |
| 589 | fb_writeb(*src8++, ++dst8); |
| 590 | } else { |
| 591 | fb_writeb(*src8++, --dst8); |
| 592 | dst8 += 2; |
| 593 | } |
| 594 | } |
| 595 | dst = (u32 __iomem *) dst8; |
| 596 | } |
| 597 | |
| 598 | *ppos += c; |
| 599 | buf += c; |
| 600 | cnt += c; |
| 601 | count -= c; |
| 602 | } |
| 603 | |
| 604 | kfree(buffer); |
| 605 | |
| 606 | return (cnt) ? cnt : err; |
| 607 | } |
| 608 | #endif /* ! __BIG_ENDIAN */ |
| 609 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 610 | void smtcfb_setmode(struct smtcfb_info *sfb) |
| 611 | { |
| 612 | switch (sfb->fb.var.bits_per_pixel) { |
| 613 | case 32: |
| 614 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; |
| 615 | sfb->fb.fix.line_length = sfb->fb.var.xres * 4; |
| 616 | sfb->fb.var.red.length = 8; |
| 617 | sfb->fb.var.green.length = 8; |
| 618 | sfb->fb.var.blue.length = 8; |
| 619 | sfb->fb.var.red.offset = 16; |
| 620 | sfb->fb.var.green.offset = 8; |
| 621 | sfb->fb.var.blue.offset = 0; |
| 622 | |
| 623 | break; |
| 624 | case 8: |
| 625 | sfb->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR; |
| 626 | sfb->fb.fix.line_length = sfb->fb.var.xres; |
| 627 | sfb->fb.var.red.offset = 5; |
| 628 | sfb->fb.var.red.length = 3; |
| 629 | sfb->fb.var.green.offset = 2; |
| 630 | sfb->fb.var.green.length = 3; |
| 631 | sfb->fb.var.blue.offset = 0; |
| 632 | sfb->fb.var.blue.length = 2; |
| 633 | break; |
| 634 | case 24: |
| 635 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; |
| 636 | sfb->fb.fix.line_length = sfb->fb.var.xres * 3; |
| 637 | sfb->fb.var.red.length = 8; |
| 638 | sfb->fb.var.green.length = 8; |
| 639 | sfb->fb.var.blue.length = 8; |
| 640 | |
| 641 | sfb->fb.var.red.offset = 16; |
| 642 | sfb->fb.var.green.offset = 8; |
| 643 | sfb->fb.var.blue.offset = 0; |
| 644 | |
| 645 | break; |
| 646 | case 16: |
| 647 | default: |
| 648 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; |
| 649 | sfb->fb.fix.line_length = sfb->fb.var.xres * 2; |
| 650 | |
| 651 | sfb->fb.var.red.length = 5; |
| 652 | sfb->fb.var.green.length = 6; |
| 653 | sfb->fb.var.blue.length = 5; |
| 654 | |
| 655 | sfb->fb.var.red.offset = 11; |
| 656 | sfb->fb.var.green.offset = 5; |
| 657 | sfb->fb.var.blue.offset = 0; |
| 658 | |
| 659 | break; |
| 660 | } |
| 661 | |
| 662 | hw.width = sfb->fb.var.xres; |
| 663 | hw.height = sfb->fb.var.yres; |
| 664 | hw.hz = 60; |
| 665 | smtc_set_timing(sfb, &hw); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 666 | } |
| 667 | |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 668 | static int smtc_check_var(struct fb_var_screeninfo *var, struct fb_info *info) |
| 669 | { |
| 670 | /* sanity checks */ |
| 671 | if (var->xres_virtual < var->xres) |
| 672 | var->xres_virtual = var->xres; |
| 673 | |
| 674 | if (var->yres_virtual < var->yres) |
| 675 | var->yres_virtual = var->yres; |
| 676 | |
| 677 | /* set valid default bpp */ |
| 678 | if ((var->bits_per_pixel != 8) && (var->bits_per_pixel != 16) && |
| 679 | (var->bits_per_pixel != 24) && (var->bits_per_pixel != 32)) |
| 680 | var->bits_per_pixel = 16; |
| 681 | |
| 682 | return 0; |
| 683 | } |
| 684 | |
| 685 | static int smtc_set_par(struct fb_info *info) |
| 686 | { |
| 687 | struct smtcfb_info *sfb = (struct smtcfb_info *)info; |
| 688 | |
| 689 | smtcfb_setmode(sfb); |
| 690 | |
| 691 | return 0; |
| 692 | } |
| 693 | |
| 694 | static struct fb_ops smtcfb_ops = { |
| 695 | .owner = THIS_MODULE, |
| 696 | .fb_check_var = smtc_check_var, |
| 697 | .fb_set_par = smtc_set_par, |
| 698 | .fb_setcolreg = smtc_setcolreg, |
| 699 | .fb_blank = cfb_blank, |
| 700 | .fb_fillrect = cfb_fillrect, |
| 701 | .fb_imageblit = cfb_imageblit, |
| 702 | .fb_copyarea = cfb_copyarea, |
| 703 | #ifdef __BIG_ENDIAN |
| 704 | .fb_read = smtcfb_read, |
| 705 | .fb_write = smtcfb_write, |
| 706 | #endif |
| 707 | }; |
| 708 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 709 | /* |
| 710 | * Alloc struct smtcfb_info and assign the default value |
| 711 | */ |
| 712 | static struct smtcfb_info *smtc_alloc_fb_info(struct pci_dev *dev, |
| 713 | char *name) |
| 714 | { |
| 715 | struct smtcfb_info *sfb; |
| 716 | |
anish kumar | 617a0c7 | 2011-05-19 20:58:51 +0530 | [diff] [blame] | 717 | sfb = kzalloc(sizeof(*sfb), GFP_KERNEL); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 718 | |
| 719 | if (!sfb) |
| 720 | return NULL; |
| 721 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 722 | sfb->currcon = -1; |
| 723 | sfb->dev = dev; |
| 724 | |
| 725 | /*** Init sfb->fb with default value ***/ |
| 726 | sfb->fb.flags = FBINFO_FLAG_DEFAULT; |
| 727 | sfb->fb.fbops = &smtcfb_ops; |
| 728 | sfb->fb.var = smtcfb_var; |
| 729 | sfb->fb.fix = smtcfb_fix; |
| 730 | |
| 731 | strcpy(sfb->fb.fix.id, name); |
| 732 | |
| 733 | sfb->fb.fix.type = FB_TYPE_PACKED_PIXELS; |
| 734 | sfb->fb.fix.type_aux = 0; |
| 735 | sfb->fb.fix.xpanstep = 0; |
| 736 | sfb->fb.fix.ypanstep = 0; |
| 737 | sfb->fb.fix.ywrapstep = 0; |
| 738 | sfb->fb.fix.accel = FB_ACCEL_SMI_LYNX; |
| 739 | |
| 740 | sfb->fb.var.nonstd = 0; |
| 741 | sfb->fb.var.activate = FB_ACTIVATE_NOW; |
| 742 | sfb->fb.var.height = -1; |
| 743 | sfb->fb.var.width = -1; |
| 744 | /* text mode acceleration */ |
| 745 | sfb->fb.var.accel_flags = FB_ACCELF_TEXT; |
| 746 | sfb->fb.var.vmode = FB_VMODE_NONINTERLACED; |
| 747 | sfb->fb.par = &hw; |
| 748 | sfb->fb.pseudo_palette = colreg; |
| 749 | |
| 750 | return sfb; |
| 751 | } |
| 752 | |
| 753 | /* |
| 754 | * Unmap in the memory mapped IO registers |
| 755 | */ |
| 756 | |
| 757 | static void smtc_unmap_mmio(struct smtcfb_info *sfb) |
| 758 | { |
| 759 | if (sfb && smtc_RegBaseAddress) |
| 760 | smtc_RegBaseAddress = NULL; |
| 761 | } |
| 762 | |
| 763 | /* |
| 764 | * Map in the screen memory |
| 765 | */ |
| 766 | |
| 767 | static int smtc_map_smem(struct smtcfb_info *sfb, |
| 768 | struct pci_dev *dev, u_long smem_len) |
| 769 | { |
| 770 | if (sfb->fb.var.bits_per_pixel == 32) { |
| 771 | #ifdef __BIG_ENDIAN |
| 772 | sfb->fb.fix.smem_start = pci_resource_start(dev, 0) |
| 773 | + 0x800000; |
| 774 | #else |
| 775 | sfb->fb.fix.smem_start = pci_resource_start(dev, 0); |
| 776 | #endif |
| 777 | } else { |
| 778 | sfb->fb.fix.smem_start = pci_resource_start(dev, 0); |
| 779 | } |
| 780 | |
| 781 | sfb->fb.fix.smem_len = smem_len; |
| 782 | |
| 783 | sfb->fb.screen_base = smtc_VRAMBaseAddress; |
| 784 | |
| 785 | if (!sfb->fb.screen_base) { |
anish kumar | 23a4231 | 2011-05-19 20:59:02 +0530 | [diff] [blame] | 786 | printk(KERN_ERR "%s: unable to map screen memory\n", |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 787 | sfb->fb.fix.id); |
| 788 | return -ENOMEM; |
| 789 | } |
| 790 | |
| 791 | return 0; |
| 792 | } |
| 793 | |
| 794 | /* |
| 795 | * Unmap in the screen memory |
| 796 | * |
| 797 | */ |
| 798 | static void smtc_unmap_smem(struct smtcfb_info *sfb) |
| 799 | { |
| 800 | if (sfb && sfb->fb.screen_base) { |
| 801 | iounmap(sfb->fb.screen_base); |
| 802 | sfb->fb.screen_base = NULL; |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | /* |
| 807 | * We need to wake up the LynxEM+, and make sure its in linear memory mode. |
| 808 | */ |
| 809 | static inline void sm7xx_init_hw(void) |
| 810 | { |
| 811 | outb_p(0x18, 0x3c4); |
| 812 | outb_p(0x11, 0x3c5); |
| 813 | } |
| 814 | |
| 815 | static void smtc_free_fb_info(struct smtcfb_info *sfb) |
| 816 | { |
| 817 | if (sfb) { |
| 818 | fb_alloc_cmap(&sfb->fb.cmap, 0, 0); |
| 819 | kfree(sfb); |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | /* |
| 824 | * sm712vga_setup - process command line options, get vga parameter |
| 825 | * @options: string of options |
| 826 | * Returns zero. |
| 827 | * |
| 828 | */ |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 829 | static int __init sm712vga_setup(char *options) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 830 | { |
| 831 | int index; |
| 832 | |
| 833 | if (!options || !*options) { |
| 834 | smdbg("\n No vga parameter\n"); |
| 835 | return -EINVAL; |
| 836 | } |
| 837 | |
| 838 | smtc_screen_info.lfb_width = 0; |
| 839 | smtc_screen_info.lfb_height = 0; |
| 840 | smtc_screen_info.lfb_depth = 0; |
| 841 | |
| 842 | smdbg("\nsm712vga_setup = %s\n", options); |
| 843 | |
| 844 | for (index = 0; |
anish kumar | 1639c8a | 2011-05-19 20:58:42 +0530 | [diff] [blame] | 845 | index < ARRAY_SIZE(vesa_mode); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 846 | index++) { |
| 847 | if (strstr(options, vesa_mode[index].mode_index)) { |
| 848 | smtc_screen_info.lfb_width = vesa_mode[index].lfb_width; |
| 849 | smtc_screen_info.lfb_height = |
| 850 | vesa_mode[index].lfb_height; |
| 851 | smtc_screen_info.lfb_depth = vesa_mode[index].lfb_depth; |
| 852 | return 0; |
| 853 | } |
| 854 | } |
| 855 | |
| 856 | return -1; |
| 857 | } |
| 858 | __setup("vga=", sm712vga_setup); |
| 859 | |
| 860 | /* Jason (08/13/2009) |
| 861 | * Original init function changed to probe method to be used by pci_drv |
| 862 | * process used to detect chips replaced with kernel process in pci_drv |
| 863 | */ |
Wu Zhangjin | b99e194 | 2010-07-18 03:16:28 +0800 | [diff] [blame] | 864 | static int __devinit smtcfb_pci_probe(struct pci_dev *pdev, |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 865 | const struct pci_device_id *ent) |
| 866 | { |
| 867 | struct smtcfb_info *sfb; |
| 868 | u_long smem_size = 0x00800000; /* default 8MB */ |
| 869 | char name[16]; |
| 870 | int err; |
| 871 | unsigned long pFramebufferPhysical; |
| 872 | |
| 873 | printk(KERN_INFO |
| 874 | "Silicon Motion display driver " SMTC_LINUX_FB_VERSION "\n"); |
| 875 | |
| 876 | err = pci_enable_device(pdev); /* enable SMTC chip */ |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 877 | if (err) |
| 878 | return err; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 879 | |
| 880 | hw.chipID = ent->device; |
| 881 | sprintf(name, "sm%Xfb", hw.chipID); |
| 882 | |
| 883 | sfb = smtc_alloc_fb_info(pdev, name); |
| 884 | |
| 885 | if (!sfb) |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 886 | goto failed_free; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 887 | /* Jason (08/13/2009) |
| 888 | * Store fb_info to be further used when suspending and resuming |
| 889 | */ |
| 890 | pci_set_drvdata(pdev, sfb); |
| 891 | |
| 892 | sm7xx_init_hw(); |
| 893 | |
| 894 | /*get mode parameter from smtc_screen_info */ |
| 895 | if (smtc_screen_info.lfb_width != 0) { |
| 896 | sfb->fb.var.xres = smtc_screen_info.lfb_width; |
| 897 | sfb->fb.var.yres = smtc_screen_info.lfb_height; |
| 898 | sfb->fb.var.bits_per_pixel = smtc_screen_info.lfb_depth; |
| 899 | } else { |
| 900 | /* default resolution 1024x600 16bit mode */ |
| 901 | sfb->fb.var.xres = SCREEN_X_RES; |
| 902 | sfb->fb.var.yres = SCREEN_Y_RES; |
| 903 | sfb->fb.var.bits_per_pixel = SCREEN_BPP; |
| 904 | } |
| 905 | |
| 906 | #ifdef __BIG_ENDIAN |
| 907 | if (sfb->fb.var.bits_per_pixel == 24) |
| 908 | sfb->fb.var.bits_per_pixel = (smtc_screen_info.lfb_depth = 32); |
| 909 | #endif |
| 910 | /* Map address and memory detection */ |
| 911 | pFramebufferPhysical = pci_resource_start(pdev, 0); |
| 912 | pci_read_config_byte(pdev, PCI_REVISION_ID, &hw.chipRevID); |
| 913 | |
| 914 | switch (hw.chipID) { |
| 915 | case 0x710: |
| 916 | case 0x712: |
| 917 | sfb->fb.fix.mmio_start = pFramebufferPhysical + 0x00400000; |
| 918 | sfb->fb.fix.mmio_len = 0x00400000; |
| 919 | smem_size = SM712_VIDEOMEMORYSIZE; |
| 920 | #ifdef __BIG_ENDIAN |
| 921 | hw.m_pLFB = (smtc_VRAMBaseAddress = |
| 922 | ioremap(pFramebufferPhysical, 0x00c00000)); |
| 923 | #else |
| 924 | hw.m_pLFB = (smtc_VRAMBaseAddress = |
| 925 | ioremap(pFramebufferPhysical, 0x00800000)); |
| 926 | #endif |
| 927 | hw.m_pMMIO = (smtc_RegBaseAddress = |
| 928 | smtc_VRAMBaseAddress + 0x00700000); |
Wu Zhangjin | 3af8057 | 2010-01-06 16:33:10 +0800 | [diff] [blame] | 929 | hw.m_pDPR = smtc_VRAMBaseAddress + 0x00408000; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 930 | hw.m_pVPR = hw.m_pLFB + 0x0040c000; |
| 931 | #ifdef __BIG_ENDIAN |
| 932 | if (sfb->fb.var.bits_per_pixel == 32) { |
| 933 | smtc_VRAMBaseAddress += 0x800000; |
| 934 | hw.m_pLFB += 0x800000; |
| 935 | printk(KERN_INFO |
| 936 | "\nsmtc_VRAMBaseAddress=%p hw.m_pLFB=%p\n", |
| 937 | smtc_VRAMBaseAddress, hw.m_pLFB); |
| 938 | } |
| 939 | #endif |
| 940 | if (!smtc_RegBaseAddress) { |
anish kumar | 23a4231 | 2011-05-19 20:59:02 +0530 | [diff] [blame] | 941 | printk(KERN_ERR |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 942 | "%s: unable to map memory mapped IO\n", |
| 943 | sfb->fb.fix.id); |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 944 | err = -ENOMEM; |
| 945 | goto failed_fb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 946 | } |
| 947 | |
| 948 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ |
| 949 | smtc_seqw(0x6a, 0x16); |
| 950 | smtc_seqw(0x6b, 0x02); |
| 951 | smtc_seqw(0x62, 0x3e); |
| 952 | /* enable PCI burst */ |
| 953 | smtc_seqw(0x17, 0x20); |
| 954 | /* enable word swap */ |
| 955 | #ifdef __BIG_ENDIAN |
| 956 | if (sfb->fb.var.bits_per_pixel == 32) |
| 957 | smtc_seqw(0x17, 0x30); |
| 958 | #endif |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 959 | break; |
| 960 | case 0x720: |
| 961 | sfb->fb.fix.mmio_start = pFramebufferPhysical; |
| 962 | sfb->fb.fix.mmio_len = 0x00200000; |
| 963 | smem_size = SM722_VIDEOMEMORYSIZE; |
Wu Zhangjin | 3af8057 | 2010-01-06 16:33:10 +0800 | [diff] [blame] | 964 | hw.m_pDPR = ioremap(pFramebufferPhysical, 0x00a00000); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 965 | hw.m_pLFB = (smtc_VRAMBaseAddress = |
Wu Zhangjin | 3af8057 | 2010-01-06 16:33:10 +0800 | [diff] [blame] | 966 | hw.m_pDPR + 0x00200000); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 967 | hw.m_pMMIO = (smtc_RegBaseAddress = |
Wu Zhangjin | 3af8057 | 2010-01-06 16:33:10 +0800 | [diff] [blame] | 968 | hw.m_pDPR + 0x000c0000); |
| 969 | hw.m_pVPR = hw.m_pDPR + 0x800; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 970 | |
| 971 | smtc_seqw(0x62, 0xff); |
| 972 | smtc_seqw(0x6a, 0x0d); |
| 973 | smtc_seqw(0x6b, 0x02); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 974 | break; |
| 975 | default: |
anish kumar | 23a4231 | 2011-05-19 20:59:02 +0530 | [diff] [blame] | 976 | printk(KERN_ERR |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 977 | "No valid Silicon Motion display chip was detected!\n"); |
| 978 | |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 979 | goto failed_fb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 980 | } |
| 981 | |
| 982 | /* can support 32 bpp */ |
| 983 | if (15 == sfb->fb.var.bits_per_pixel) |
| 984 | sfb->fb.var.bits_per_pixel = 16; |
| 985 | |
| 986 | sfb->fb.var.xres_virtual = sfb->fb.var.xres; |
| 987 | sfb->fb.var.yres_virtual = sfb->fb.var.yres; |
| 988 | err = smtc_map_smem(sfb, pdev, smem_size); |
| 989 | if (err) |
| 990 | goto failed; |
| 991 | |
| 992 | smtcfb_setmode(sfb); |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 993 | /* Primary display starting from 0 position */ |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 994 | hw.BaseAddressInVRAM = 0; |
| 995 | sfb->fb.par = &hw; |
| 996 | |
| 997 | err = register_framebuffer(&sfb->fb); |
| 998 | if (err < 0) |
| 999 | goto failed; |
| 1000 | |
| 1001 | printk(KERN_INFO "Silicon Motion SM%X Rev%X primary display mode" |
| 1002 | "%dx%d-%d Init Complete.\n", hw.chipID, hw.chipRevID, |
| 1003 | sfb->fb.var.xres, sfb->fb.var.yres, |
| 1004 | sfb->fb.var.bits_per_pixel); |
| 1005 | |
| 1006 | return 0; |
| 1007 | |
anish kumar | 1639c8a | 2011-05-19 20:58:42 +0530 | [diff] [blame] | 1008 | failed: |
anish kumar | 23a4231 | 2011-05-19 20:59:02 +0530 | [diff] [blame] | 1009 | printk(KERN_ERR "Silicon Motion, Inc. primary display init fail\n"); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1010 | |
| 1011 | smtc_unmap_smem(sfb); |
| 1012 | smtc_unmap_mmio(sfb); |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 1013 | failed_fb: |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1014 | smtc_free_fb_info(sfb); |
| 1015 | |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 1016 | failed_free: |
| 1017 | pci_disable_device(pdev); |
| 1018 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1019 | return err; |
| 1020 | } |
| 1021 | |
| 1022 | |
| 1023 | /* Jason (08/11/2009) PCI_DRV wrapper essential structs */ |
Namhyung Kim | 6f475b7 | 2010-12-10 01:40:25 +0900 | [diff] [blame] | 1024 | static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = { |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1025 | {0x126f, 0x710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| 1026 | {0x126f, 0x712, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| 1027 | {0x126f, 0x720, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| 1028 | {0,} |
| 1029 | }; |
| 1030 | |
| 1031 | |
| 1032 | /* Jason (08/14/2009) |
| 1033 | * do some clean up when the driver module is removed |
| 1034 | */ |
| 1035 | static void __devexit smtcfb_pci_remove(struct pci_dev *pdev) |
| 1036 | { |
| 1037 | struct smtcfb_info *sfb; |
| 1038 | |
| 1039 | sfb = pci_get_drvdata(pdev); |
| 1040 | pci_set_drvdata(pdev, NULL); |
| 1041 | smtc_unmap_smem(sfb); |
| 1042 | smtc_unmap_mmio(sfb); |
| 1043 | unregister_framebuffer(&sfb->fb); |
| 1044 | smtc_free_fb_info(sfb); |
| 1045 | } |
| 1046 | |
Javier M. Mellid | 392a002 | 2011-03-30 16:24:10 +0200 | [diff] [blame] | 1047 | #ifdef CONFIG_PM |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 1048 | static int smtcfb_pci_suspend(struct device *device) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1049 | { |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 1050 | struct pci_dev *pdev = to_pci_dev(device); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1051 | struct smtcfb_info *sfb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1052 | |
| 1053 | sfb = pci_get_drvdata(pdev); |
| 1054 | |
| 1055 | /* set the hw in sleep mode use externel clock and self memory refresh |
| 1056 | * so that we can turn off internal PLLs later on |
| 1057 | */ |
| 1058 | smtc_seqw(0x20, (smtc_seqr(0x20) | 0xc0)); |
| 1059 | smtc_seqw(0x69, (smtc_seqr(0x69) & 0xf7)); |
| 1060 | |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 1061 | console_lock(); |
| 1062 | fb_set_suspend(&sfb->fb, 1); |
| 1063 | console_unlock(); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1064 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1065 | /* additionally turn off all function blocks including internal PLLs */ |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1066 | smtc_seqw(0x21, 0xff); |
| 1067 | |
| 1068 | return 0; |
| 1069 | } |
| 1070 | |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 1071 | static int smtcfb_pci_resume(struct device *device) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1072 | { |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 1073 | struct pci_dev *pdev = to_pci_dev(device); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1074 | struct smtcfb_info *sfb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1075 | |
| 1076 | sfb = pci_get_drvdata(pdev); |
| 1077 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1078 | /* reinit hardware */ |
| 1079 | sm7xx_init_hw(); |
| 1080 | switch (hw.chipID) { |
| 1081 | case 0x710: |
| 1082 | case 0x712: |
| 1083 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ |
| 1084 | smtc_seqw(0x6a, 0x16); |
| 1085 | smtc_seqw(0x6b, 0x02); |
| 1086 | smtc_seqw(0x62, 0x3e); |
| 1087 | /* enable PCI burst */ |
| 1088 | smtc_seqw(0x17, 0x20); |
| 1089 | #ifdef __BIG_ENDIAN |
| 1090 | if (sfb->fb.var.bits_per_pixel == 32) |
| 1091 | smtc_seqw(0x17, 0x30); |
| 1092 | #endif |
| 1093 | break; |
| 1094 | case 0x720: |
| 1095 | smtc_seqw(0x62, 0xff); |
| 1096 | smtc_seqw(0x6a, 0x0d); |
| 1097 | smtc_seqw(0x6b, 0x02); |
| 1098 | break; |
| 1099 | } |
| 1100 | |
| 1101 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0xc0)); |
| 1102 | smtc_seqw(0x33, ((smtc_seqr(0x33) | 0x08) & 0xfb)); |
| 1103 | |
| 1104 | smtcfb_setmode(sfb); |
| 1105 | |
Torben Hohn | ac751ef | 2011-01-25 15:07:35 -0800 | [diff] [blame] | 1106 | console_lock(); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1107 | fb_set_suspend(&sfb->fb, 0); |
Torben Hohn | ac751ef | 2011-01-25 15:07:35 -0800 | [diff] [blame] | 1108 | console_unlock(); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1109 | |
| 1110 | return 0; |
| 1111 | } |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1112 | |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 1113 | static const struct dev_pm_ops sm7xx_pm_ops = { |
| 1114 | .suspend = smtcfb_pci_suspend, |
| 1115 | .resume = smtcfb_pci_resume, |
| 1116 | .freeze = smtcfb_pci_suspend, |
| 1117 | .thaw = smtcfb_pci_resume, |
| 1118 | .poweroff = smtcfb_pci_suspend, |
| 1119 | .restore = smtcfb_pci_resume, |
| 1120 | }; |
| 1121 | |
| 1122 | #define SM7XX_PM_OPS (&sm7xx_pm_ops) |
| 1123 | |
| 1124 | #else /* !CONFIG_PM */ |
| 1125 | |
| 1126 | #define SM7XX_PM_OPS NULL |
| 1127 | |
| 1128 | #endif /* !CONFIG_PM */ |
| 1129 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1130 | static struct pci_driver smtcfb_driver = { |
| 1131 | .name = "smtcfb", |
| 1132 | .id_table = smtcfb_pci_table, |
| 1133 | .probe = smtcfb_pci_probe, |
| 1134 | .remove = __devexit_p(smtcfb_pci_remove), |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 1135 | .driver.pm = SM7XX_PM_OPS, |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1136 | }; |
| 1137 | |
| 1138 | static int __init smtcfb_init(void) |
| 1139 | { |
| 1140 | return pci_register_driver(&smtcfb_driver); |
| 1141 | } |
| 1142 | |
| 1143 | static void __exit smtcfb_exit(void) |
| 1144 | { |
| 1145 | pci_unregister_driver(&smtcfb_driver); |
| 1146 | } |
| 1147 | |
| 1148 | module_init(smtcfb_init); |
| 1149 | module_exit(smtcfb_exit); |
| 1150 | |
| 1151 | MODULE_AUTHOR("Siliconmotion "); |
| 1152 | MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards"); |
| 1153 | MODULE_LICENSE("GPL"); |