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. |
Javier M. Mellid | 86f3125 | 2012-04-26 20:45:49 +0200 | [diff] [blame] | 5 | * Authors: Ge Wang, gewang@siliconmotion.com |
| 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. |
Javier M. Mellid | 86f3125 | 2012-04-26 20:45:49 +0200 | [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. |
Javier M. Mellid | 86f3125 | 2012-04-26 20:45:49 +0200 | [diff] [blame] | 12 | * Author: Javier M. Mellid <jmunhoz@igalia.com> |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 13 | * |
Javier M. Mellid | 86f3125 | 2012-04-26 20:45:49 +0200 | [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. |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 17 | * |
Javier M. Mellid | 0beb30d | 2012-06-10 13:12:23 +0200 | [diff] [blame] | 18 | * Framebuffer driver for Silicon Motion SM710, SM712, SM721 and SM722 chips |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 19 | */ |
| 20 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 21 | #include <linux/io.h> |
| 22 | #include <linux/fb.h> |
| 23 | #include <linux/pci.h> |
| 24 | #include <linux/init.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 25 | #include <linux/slab.h> |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 26 | #include <linux/uaccess.h> |
Paul Gortmaker | 99c9785 | 2011-07-03 15:49:50 -0400 | [diff] [blame] | 27 | #include <linux/module.h> |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 28 | #include <linux/console.h> |
| 29 | #include <linux/screen_info.h> |
| 30 | |
| 31 | #ifdef CONFIG_PM |
| 32 | #include <linux/pm.h> |
| 33 | #endif |
| 34 | |
Javier M. Mellid | 925aa66 | 2012-06-10 13:12:24 +0200 | [diff] [blame] | 35 | #include "sm7xx.h" |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 36 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 37 | /* |
| 38 | * Private structure |
| 39 | */ |
| 40 | struct smtcfb_info { |
Javier M. Mellid | 9be467d | 2012-04-26 20:45:53 +0200 | [diff] [blame] | 41 | struct pci_dev *pdev; |
Javier M. Mellid | 501b02e | 2012-06-27 14:10:15 +0200 | [diff] [blame] | 42 | struct fb_info fb; |
Javier M. Mellid | 7813296 | 2012-06-27 14:10:14 +0200 | [diff] [blame] | 43 | u16 chip_id; |
| 44 | u8 chip_rev_id; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 45 | |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 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 */ |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 51 | |
| 52 | u_int width; |
| 53 | u_int height; |
| 54 | u_int hz; |
Javier M. Mellid | cd4653a | 2012-07-11 15:49:40 +0200 | [diff] [blame] | 55 | |
| 56 | u32 colreg[17]; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 57 | }; |
| 58 | |
Javier M. Mellid | 5d0c770 | 2012-09-17 16:12:50 +0200 | [diff] [blame] | 59 | void __iomem *smtc_RegBaseAddress; /* Memory Map IO starting address */ |
| 60 | void __iomem *smtc_VRAMBaseAddress; /* video memory starting address */ |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 61 | |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 62 | static struct fb_var_screeninfo smtcfb_var = { |
| 63 | .xres = 1024, |
| 64 | .yres = 600, |
| 65 | .xres_virtual = 1024, |
| 66 | .yres_virtual = 600, |
| 67 | .bits_per_pixel = 16, |
| 68 | .red = {16, 8, 0}, |
| 69 | .green = {8, 8, 0}, |
| 70 | .blue = {0, 8, 0}, |
| 71 | .activate = FB_ACTIVATE_NOW, |
| 72 | .height = -1, |
| 73 | .width = -1, |
| 74 | .vmode = FB_VMODE_NONINTERLACED, |
Javier M. Mellid | d459a03 | 2012-09-17 16:12:47 +0200 | [diff] [blame] | 75 | .nonstd = 0, |
| 76 | .accel_flags = FB_ACCELF_TEXT, |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 77 | }; |
| 78 | |
| 79 | static struct fb_fix_screeninfo smtcfb_fix = { |
Javier M. Mellid | 9f6fe04 | 2012-09-17 16:12:48 +0200 | [diff] [blame] | 80 | .id = "smXXXfb", |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 81 | .type = FB_TYPE_PACKED_PIXELS, |
| 82 | .visual = FB_VISUAL_TRUECOLOR, |
| 83 | .line_length = 800 * 3, |
| 84 | .accel = FB_ACCEL_SMI_LYNX, |
Javier M. Mellid | d459a03 | 2012-09-17 16:12:47 +0200 | [diff] [blame] | 85 | .type_aux = 0, |
| 86 | .xpanstep = 0, |
| 87 | .ypanstep = 0, |
| 88 | .ywrapstep = 0, |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 89 | }; |
| 90 | |
Javier M. Mellid | 1df7e0e | 2012-07-11 15:49:37 +0200 | [diff] [blame] | 91 | struct vesa_mode { |
| 92 | char index[6]; |
| 93 | u16 lfb_width; |
| 94 | u16 lfb_height; |
| 95 | u16 lfb_depth; |
| 96 | }; |
| 97 | |
| 98 | static struct vesa_mode vesa_mode_table[] = { |
| 99 | {"0x301", 640, 480, 8}, |
| 100 | {"0x303", 800, 600, 8}, |
| 101 | {"0x305", 1024, 768, 8}, |
| 102 | {"0x307", 1280, 1024, 8}, |
| 103 | |
| 104 | {"0x311", 640, 480, 16}, |
| 105 | {"0x314", 800, 600, 16}, |
| 106 | {"0x317", 1024, 768, 16}, |
| 107 | {"0x31A", 1280, 1024, 16}, |
| 108 | |
| 109 | {"0x312", 640, 480, 24}, |
| 110 | {"0x315", 800, 600, 24}, |
| 111 | {"0x318", 1024, 768, 24}, |
| 112 | {"0x31B", 1280, 1024, 24}, |
| 113 | }; |
| 114 | |
| 115 | struct screen_info smtc_scr_info; |
| 116 | |
| 117 | /* process command line options, get vga parameter */ |
| 118 | static int __init sm7xx_vga_setup(char *options) |
| 119 | { |
| 120 | int i; |
| 121 | |
| 122 | if (!options || !*options) |
| 123 | return -EINVAL; |
| 124 | |
| 125 | smtc_scr_info.lfb_width = 0; |
| 126 | smtc_scr_info.lfb_height = 0; |
| 127 | smtc_scr_info.lfb_depth = 0; |
| 128 | |
| 129 | pr_debug("sm7xx_vga_setup = %s\n", options); |
| 130 | |
| 131 | for (i = 0; i < ARRAY_SIZE(vesa_mode_table); i++) { |
| 132 | if (strstr(options, vesa_mode_table[i].index)) { |
| 133 | smtc_scr_info.lfb_width = vesa_mode_table[i].lfb_width; |
| 134 | smtc_scr_info.lfb_height = 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 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 144 | static void sm712_setpalette(int regno, unsigned red, unsigned green, |
| 145 | unsigned blue, struct fb_info *info) |
| 146 | { |
Javier M. Mellid | 50b238b | 2012-06-26 06:00:15 +0200 | [diff] [blame] | 147 | /* set bit 5:4 = 01 (write LCD RAM only) */ |
| 148 | smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x10); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 149 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 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 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 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 | |
Javier M. Mellid | acbaa0b | 2012-04-26 20:45:55 +0200 | [diff] [blame] | 171 | static int smtc_blank(int blank_mode, struct fb_info *info) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 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 | { |
Javier M. Mellid | 501b02e | 2012-06-27 14:10:15 +0200 | [diff] [blame] | 245 | struct smtcfb_info *sfb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 246 | u32 val; |
| 247 | |
Javier M. Mellid | 501b02e | 2012-06-27 14:10:15 +0200 | [diff] [blame] | 248 | sfb = info->par; |
| 249 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 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 | /* |
Justin P. Mattock | 7756d3e8b | 2012-06-25 07:28:25 -0700 | [diff] [blame] | 257 | * 16/32 bit true-colour, use pseudo-palette for 16 base color |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 258 | */ |
| 259 | if (regno < 16) { |
| 260 | if (sfb->fb.var.bits_per_pixel == 16) { |
| 261 | u32 *pal = sfb->fb.pseudo_palette; |
| 262 | val = chan_to_field(red, &sfb->fb.var.red); |
| 263 | val |= chan_to_field(green, \ |
| 264 | &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; |
| 277 | val = chan_to_field(red, &sfb->fb.var.red); |
| 278 | val |= chan_to_field(green, \ |
| 279 | &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; |
| 301 | |
| 302 | } |
| 303 | |
| 304 | #ifdef __BIG_ENDIAN |
Josenivaldo Benito Jr | c8100d2 | 2012-02-12 19:03:14 -0200 | [diff] [blame] | 305 | static ssize_t smtcfb_read(struct fb_info *info, char __user *buf, size_t |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 306 | count, loff_t *ppos) |
| 307 | { |
| 308 | unsigned long p = *ppos; |
| 309 | |
| 310 | u32 *buffer, *dst; |
| 311 | u32 __iomem *src; |
| 312 | int c, i, cnt = 0, err = 0; |
| 313 | unsigned long total_size; |
| 314 | |
| 315 | if (!info || !info->screen_base) |
| 316 | return -ENODEV; |
| 317 | |
| 318 | if (info->state != FBINFO_STATE_RUNNING) |
| 319 | return -EPERM; |
| 320 | |
| 321 | total_size = info->screen_size; |
| 322 | |
| 323 | if (total_size == 0) |
| 324 | total_size = info->fix.smem_len; |
| 325 | |
| 326 | if (p >= total_size) |
| 327 | return 0; |
| 328 | |
| 329 | if (count >= total_size) |
| 330 | count = total_size; |
| 331 | |
| 332 | if (count + p > total_size) |
| 333 | count = total_size - p; |
| 334 | |
| 335 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); |
| 336 | if (!buffer) |
| 337 | return -ENOMEM; |
| 338 | |
| 339 | src = (u32 __iomem *) (info->screen_base + p); |
| 340 | |
| 341 | if (info->fbops->fb_sync) |
| 342 | info->fbops->fb_sync(info); |
| 343 | |
| 344 | while (count) { |
| 345 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; |
| 346 | dst = buffer; |
| 347 | for (i = c >> 2; i--;) { |
| 348 | *dst = fb_readl(src++); |
| 349 | *dst = |
| 350 | (*dst & 0xff00ff00 >> 8) | |
| 351 | (*dst & 0x00ff00ff << 8); |
| 352 | dst++; |
| 353 | } |
| 354 | if (c & 3) { |
| 355 | u8 *dst8 = (u8 *) dst; |
| 356 | u8 __iomem *src8 = (u8 __iomem *) src; |
| 357 | |
| 358 | for (i = c & 3; i--;) { |
| 359 | if (i & 1) { |
| 360 | *dst8++ = fb_readb(++src8); |
| 361 | } else { |
| 362 | *dst8++ = fb_readb(--src8); |
| 363 | src8 += 2; |
| 364 | } |
| 365 | } |
| 366 | src = (u32 __iomem *) src8; |
| 367 | } |
| 368 | |
| 369 | if (copy_to_user(buf, buffer, c)) { |
| 370 | err = -EFAULT; |
| 371 | break; |
| 372 | } |
| 373 | *ppos += c; |
| 374 | buf += c; |
| 375 | cnt += c; |
| 376 | count -= c; |
| 377 | } |
| 378 | |
| 379 | kfree(buffer); |
| 380 | |
| 381 | return (err) ? err : cnt; |
| 382 | } |
| 383 | |
| 384 | static ssize_t |
| 385 | smtcfb_write(struct fb_info *info, const char __user *buf, size_t count, |
| 386 | loff_t *ppos) |
| 387 | { |
| 388 | unsigned long p = *ppos; |
| 389 | |
| 390 | u32 *buffer, *src; |
| 391 | u32 __iomem *dst; |
| 392 | int c, i, cnt = 0, err = 0; |
| 393 | unsigned long total_size; |
| 394 | |
| 395 | if (!info || !info->screen_base) |
| 396 | return -ENODEV; |
| 397 | |
| 398 | if (info->state != FBINFO_STATE_RUNNING) |
| 399 | return -EPERM; |
| 400 | |
| 401 | total_size = info->screen_size; |
| 402 | |
| 403 | if (total_size == 0) |
| 404 | total_size = info->fix.smem_len; |
| 405 | |
| 406 | if (p > total_size) |
| 407 | return -EFBIG; |
| 408 | |
| 409 | if (count > total_size) { |
| 410 | err = -EFBIG; |
| 411 | count = total_size; |
| 412 | } |
| 413 | |
| 414 | if (count + p > total_size) { |
| 415 | if (!err) |
| 416 | err = -ENOSPC; |
| 417 | |
| 418 | count = total_size - p; |
| 419 | } |
| 420 | |
| 421 | buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); |
| 422 | if (!buffer) |
| 423 | return -ENOMEM; |
| 424 | |
| 425 | dst = (u32 __iomem *) (info->screen_base + p); |
| 426 | |
| 427 | if (info->fbops->fb_sync) |
| 428 | info->fbops->fb_sync(info); |
| 429 | |
| 430 | while (count) { |
| 431 | c = (count > PAGE_SIZE) ? PAGE_SIZE : count; |
| 432 | src = buffer; |
| 433 | |
| 434 | if (copy_from_user(src, buf, c)) { |
| 435 | err = -EFAULT; |
| 436 | break; |
| 437 | } |
| 438 | |
| 439 | for (i = c >> 2; i--;) { |
| 440 | fb_writel((*src & 0xff00ff00 >> 8) | |
| 441 | (*src & 0x00ff00ff << 8), dst++); |
| 442 | src++; |
| 443 | } |
| 444 | if (c & 3) { |
| 445 | u8 *src8 = (u8 *) src; |
| 446 | u8 __iomem *dst8 = (u8 __iomem *) dst; |
| 447 | |
| 448 | for (i = c & 3; i--;) { |
| 449 | if (i & 1) { |
| 450 | fb_writeb(*src8++, ++dst8); |
| 451 | } else { |
| 452 | fb_writeb(*src8++, --dst8); |
| 453 | dst8 += 2; |
| 454 | } |
| 455 | } |
| 456 | dst = (u32 __iomem *) dst8; |
| 457 | } |
| 458 | |
| 459 | *ppos += c; |
| 460 | buf += c; |
| 461 | cnt += c; |
| 462 | count -= c; |
| 463 | } |
| 464 | |
| 465 | kfree(buffer); |
| 466 | |
| 467 | return (cnt) ? cnt : err; |
| 468 | } |
| 469 | #endif /* ! __BIG_ENDIAN */ |
| 470 | |
Javier M. Mellid | 4a7c2e0 | 2012-07-11 15:49:39 +0200 | [diff] [blame] | 471 | static void sm7xx_set_timing(struct smtcfb_info *sfb) |
| 472 | { |
| 473 | int i = 0, j = 0; |
| 474 | u32 m_nScreenStride; |
| 475 | |
| 476 | dev_dbg(&sfb->pdev->dev, |
| 477 | "sfb->width=%d sfb->height=%d " |
| 478 | "sfb->fb.var.bits_per_pixel=%d sfb->hz=%d\n", |
| 479 | sfb->width, sfb->height, sfb->fb.var.bits_per_pixel, sfb->hz); |
| 480 | |
| 481 | for (j = 0; j < numVGAModes; j++) { |
| 482 | if (VGAMode[j].mmSizeX == sfb->width && |
| 483 | VGAMode[j].mmSizeY == sfb->height && |
| 484 | VGAMode[j].bpp == sfb->fb.var.bits_per_pixel && |
| 485 | VGAMode[j].hz == sfb->hz) { |
| 486 | |
| 487 | dev_dbg(&sfb->pdev->dev, |
| 488 | "VGAMode[j].mmSizeX=%d VGAMode[j].mmSizeY=%d " |
| 489 | "VGAMode[j].bpp=%d VGAMode[j].hz=%d\n", |
| 490 | VGAMode[j].mmSizeX, VGAMode[j].mmSizeY, |
| 491 | VGAMode[j].bpp, VGAMode[j].hz); |
| 492 | |
| 493 | dev_dbg(&sfb->pdev->dev, "VGAMode index=%d\n", j); |
| 494 | |
| 495 | smtc_mmiowb(0x0, 0x3c6); |
| 496 | |
| 497 | smtc_seqw(0, 0x1); |
| 498 | |
| 499 | smtc_mmiowb(VGAMode[j].Init_MISC, 0x3c2); |
| 500 | |
| 501 | /* init SEQ register SR00 - SR04 */ |
| 502 | for (i = 0; i < SIZE_SR00_SR04; i++) |
| 503 | smtc_seqw(i, VGAMode[j].Init_SR00_SR04[i]); |
| 504 | |
| 505 | /* init SEQ register SR10 - SR24 */ |
| 506 | for (i = 0; i < SIZE_SR10_SR24; i++) |
| 507 | smtc_seqw(i + 0x10, |
| 508 | VGAMode[j].Init_SR10_SR24[i]); |
| 509 | |
| 510 | /* init SEQ register SR30 - SR75 */ |
| 511 | for (i = 0; i < SIZE_SR30_SR75; i++) |
| 512 | if (((i + 0x30) != 0x62) \ |
| 513 | && ((i + 0x30) != 0x6a) \ |
| 514 | && ((i + 0x30) != 0x6b)) |
| 515 | smtc_seqw(i + 0x30, |
| 516 | VGAMode[j].Init_SR30_SR75[i]); |
| 517 | |
| 518 | /* init SEQ register SR80 - SR93 */ |
| 519 | for (i = 0; i < SIZE_SR80_SR93; i++) |
| 520 | smtc_seqw(i + 0x80, |
| 521 | VGAMode[j].Init_SR80_SR93[i]); |
| 522 | |
| 523 | /* init SEQ register SRA0 - SRAF */ |
| 524 | for (i = 0; i < SIZE_SRA0_SRAF; i++) |
| 525 | smtc_seqw(i + 0xa0, |
| 526 | VGAMode[j].Init_SRA0_SRAF[i]); |
| 527 | |
| 528 | /* init Graphic register GR00 - GR08 */ |
| 529 | for (i = 0; i < SIZE_GR00_GR08; i++) |
| 530 | smtc_grphw(i, VGAMode[j].Init_GR00_GR08[i]); |
| 531 | |
| 532 | /* init Attribute register AR00 - AR14 */ |
| 533 | for (i = 0; i < SIZE_AR00_AR14; i++) |
| 534 | smtc_attrw(i, VGAMode[j].Init_AR00_AR14[i]); |
| 535 | |
| 536 | /* init CRTC register CR00 - CR18 */ |
| 537 | for (i = 0; i < SIZE_CR00_CR18; i++) |
| 538 | smtc_crtcw(i, VGAMode[j].Init_CR00_CR18[i]); |
| 539 | |
| 540 | /* init CRTC register CR30 - CR4D */ |
| 541 | for (i = 0; i < SIZE_CR30_CR4D; i++) |
| 542 | smtc_crtcw(i + 0x30, |
| 543 | VGAMode[j].Init_CR30_CR4D[i]); |
| 544 | |
| 545 | /* init CRTC register CR90 - CRA7 */ |
| 546 | for (i = 0; i < SIZE_CR90_CRA7; i++) |
| 547 | smtc_crtcw(i + 0x90, |
| 548 | VGAMode[j].Init_CR90_CRA7[i]); |
| 549 | } |
| 550 | } |
| 551 | smtc_mmiowb(0x67, 0x3c2); |
| 552 | |
| 553 | /* set VPR registers */ |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 554 | writel(0x0, sfb->vp_regs + 0x0C); |
| 555 | writel(0x0, sfb->vp_regs + 0x40); |
Javier M. Mellid | 4a7c2e0 | 2012-07-11 15:49:39 +0200 | [diff] [blame] | 556 | |
| 557 | /* set data width */ |
| 558 | m_nScreenStride = |
| 559 | (sfb->width * sfb->fb.var.bits_per_pixel) / 64; |
| 560 | switch (sfb->fb.var.bits_per_pixel) { |
| 561 | case 8: |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 562 | writel(0x0, sfb->vp_regs + 0x0); |
Javier M. Mellid | 4a7c2e0 | 2012-07-11 15:49:39 +0200 | [diff] [blame] | 563 | break; |
| 564 | case 16: |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 565 | writel(0x00020000, sfb->vp_regs + 0x0); |
Javier M. Mellid | 4a7c2e0 | 2012-07-11 15:49:39 +0200 | [diff] [blame] | 566 | break; |
| 567 | case 24: |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 568 | writel(0x00040000, sfb->vp_regs + 0x0); |
Javier M. Mellid | 4a7c2e0 | 2012-07-11 15:49:39 +0200 | [diff] [blame] | 569 | break; |
| 570 | case 32: |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 571 | writel(0x00030000, sfb->vp_regs + 0x0); |
Javier M. Mellid | 4a7c2e0 | 2012-07-11 15:49:39 +0200 | [diff] [blame] | 572 | break; |
| 573 | } |
| 574 | writel((u32) (((m_nScreenStride + 2) << 16) | m_nScreenStride), |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 575 | sfb->vp_regs + 0x10); |
Javier M. Mellid | 4a7c2e0 | 2012-07-11 15:49:39 +0200 | [diff] [blame] | 576 | |
| 577 | } |
| 578 | |
| 579 | static void smtc_set_timing(struct smtcfb_info *sfb) |
| 580 | { |
| 581 | switch (sfb->chip_id) { |
| 582 | case 0x710: |
| 583 | case 0x712: |
| 584 | case 0x720: |
| 585 | sm7xx_set_timing(sfb); |
| 586 | break; |
| 587 | } |
| 588 | } |
| 589 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 590 | void smtcfb_setmode(struct smtcfb_info *sfb) |
| 591 | { |
| 592 | switch (sfb->fb.var.bits_per_pixel) { |
| 593 | case 32: |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 594 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; |
| 595 | sfb->fb.fix.line_length = sfb->fb.var.xres * 4; |
| 596 | sfb->fb.var.red.length = 8; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 597 | sfb->fb.var.green.length = 8; |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 598 | sfb->fb.var.blue.length = 8; |
| 599 | sfb->fb.var.red.offset = 16; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 600 | sfb->fb.var.green.offset = 8; |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 601 | sfb->fb.var.blue.offset = 0; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 602 | break; |
| 603 | case 24: |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 604 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; |
| 605 | sfb->fb.fix.line_length = sfb->fb.var.xres * 3; |
| 606 | sfb->fb.var.red.length = 8; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 607 | sfb->fb.var.green.length = 8; |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 608 | sfb->fb.var.blue.length = 8; |
| 609 | sfb->fb.var.red.offset = 16; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 610 | sfb->fb.var.green.offset = 8; |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 611 | sfb->fb.var.blue.offset = 0; |
| 612 | break; |
| 613 | case 8: |
| 614 | sfb->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR; |
| 615 | sfb->fb.fix.line_length = sfb->fb.var.xres; |
| 616 | sfb->fb.var.red.length = 3; |
| 617 | sfb->fb.var.green.length = 3; |
| 618 | sfb->fb.var.blue.length = 2; |
| 619 | sfb->fb.var.red.offset = 5; |
| 620 | sfb->fb.var.green.offset = 2; |
| 621 | sfb->fb.var.blue.offset = 0; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 622 | break; |
| 623 | case 16: |
| 624 | default: |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 625 | sfb->fb.fix.visual = FB_VISUAL_TRUECOLOR; |
| 626 | sfb->fb.fix.line_length = sfb->fb.var.xres * 2; |
| 627 | sfb->fb.var.red.length = 5; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 628 | sfb->fb.var.green.length = 6; |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 629 | sfb->fb.var.blue.length = 5; |
| 630 | sfb->fb.var.red.offset = 11; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 631 | sfb->fb.var.green.offset = 5; |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 632 | sfb->fb.var.blue.offset = 0; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 633 | break; |
| 634 | } |
| 635 | |
Javier M. Mellid | f204739 | 2012-06-26 06:00:17 +0200 | [diff] [blame] | 636 | sfb->width = sfb->fb.var.xres; |
Javier M. Mellid | 9be467d | 2012-04-26 20:45:53 +0200 | [diff] [blame] | 637 | sfb->height = sfb->fb.var.yres; |
| 638 | sfb->hz = 60; |
| 639 | smtc_set_timing(sfb); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 640 | } |
| 641 | |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 642 | static int smtc_check_var(struct fb_var_screeninfo *var, struct fb_info *info) |
| 643 | { |
| 644 | /* sanity checks */ |
| 645 | if (var->xres_virtual < var->xres) |
| 646 | var->xres_virtual = var->xres; |
| 647 | |
| 648 | if (var->yres_virtual < var->yres) |
| 649 | var->yres_virtual = var->yres; |
| 650 | |
| 651 | /* set valid default bpp */ |
| 652 | if ((var->bits_per_pixel != 8) && (var->bits_per_pixel != 16) && |
| 653 | (var->bits_per_pixel != 24) && (var->bits_per_pixel != 32)) |
| 654 | var->bits_per_pixel = 16; |
| 655 | |
| 656 | return 0; |
| 657 | } |
| 658 | |
| 659 | static int smtc_set_par(struct fb_info *info) |
| 660 | { |
Javier M. Mellid | 501b02e | 2012-06-27 14:10:15 +0200 | [diff] [blame] | 661 | smtcfb_setmode(info->par); |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 662 | |
| 663 | return 0; |
| 664 | } |
| 665 | |
| 666 | static struct fb_ops smtcfb_ops = { |
| 667 | .owner = THIS_MODULE, |
| 668 | .fb_check_var = smtc_check_var, |
| 669 | .fb_set_par = smtc_set_par, |
| 670 | .fb_setcolreg = smtc_setcolreg, |
Javier M. Mellid | acbaa0b | 2012-04-26 20:45:55 +0200 | [diff] [blame] | 671 | .fb_blank = smtc_blank, |
Javier M. Mellid | dc762c4 | 2011-05-07 03:11:58 +0200 | [diff] [blame] | 672 | .fb_fillrect = cfb_fillrect, |
| 673 | .fb_imageblit = cfb_imageblit, |
| 674 | .fb_copyarea = cfb_copyarea, |
| 675 | #ifdef __BIG_ENDIAN |
| 676 | .fb_read = smtcfb_read, |
| 677 | .fb_write = smtcfb_write, |
| 678 | #endif |
| 679 | }; |
| 680 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 681 | /* |
Javier M. Mellid | 20d471c | 2012-09-17 16:12:49 +0200 | [diff] [blame] | 682 | * alloc struct smtcfb_info and assign default values |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 683 | */ |
Javier M. Mellid | 9f6fe04 | 2012-09-17 16:12:48 +0200 | [diff] [blame] | 684 | static struct smtcfb_info *smtc_alloc_fb_info(struct pci_dev *pdev) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 685 | { |
| 686 | struct smtcfb_info *sfb; |
| 687 | |
anish kumar | 617a0c7 | 2011-05-19 20:58:51 +0530 | [diff] [blame] | 688 | sfb = kzalloc(sizeof(*sfb), GFP_KERNEL); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 689 | |
| 690 | if (!sfb) |
| 691 | return NULL; |
| 692 | |
Javier M. Mellid | 9be467d | 2012-04-26 20:45:53 +0200 | [diff] [blame] | 693 | sfb->pdev = pdev; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 694 | |
Javier M. Mellid | 20d471c | 2012-09-17 16:12:49 +0200 | [diff] [blame] | 695 | sfb->fb.flags = FBINFO_FLAG_DEFAULT; |
| 696 | sfb->fb.fbops = &smtcfb_ops; |
| 697 | sfb->fb.fix = smtcfb_fix; |
| 698 | sfb->fb.var = smtcfb_var; |
| 699 | sfb->fb.pseudo_palette = sfb->colreg; |
| 700 | sfb->fb.par = sfb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 701 | |
| 702 | return sfb; |
| 703 | } |
| 704 | |
| 705 | /* |
Javier M. Mellid | 128e861 | 2012-06-26 06:00:16 +0200 | [diff] [blame] | 706 | * free struct smtcfb_info |
| 707 | */ |
| 708 | static void smtc_free_fb_info(struct smtcfb_info *sfb) |
| 709 | { |
| 710 | kfree(sfb); |
| 711 | } |
| 712 | |
| 713 | /* |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 714 | * Unmap in the memory mapped IO registers |
| 715 | */ |
| 716 | |
| 717 | static void smtc_unmap_mmio(struct smtcfb_info *sfb) |
| 718 | { |
| 719 | if (sfb && smtc_RegBaseAddress) |
| 720 | smtc_RegBaseAddress = NULL; |
| 721 | } |
| 722 | |
| 723 | /* |
| 724 | * Map in the screen memory |
| 725 | */ |
| 726 | |
| 727 | static int smtc_map_smem(struct smtcfb_info *sfb, |
Javier M. Mellid | 6f54b09 | 2012-04-26 20:45:52 +0200 | [diff] [blame] | 728 | struct pci_dev *pdev, u_long smem_len) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 729 | { |
Javier M. Mellid | 67c4e9f | 2012-06-10 13:12:22 +0200 | [diff] [blame] | 730 | |
| 731 | sfb->fb.fix.smem_start = pci_resource_start(pdev, 0); |
| 732 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 733 | #ifdef __BIG_ENDIAN |
Javier M. Mellid | 67c4e9f | 2012-06-10 13:12:22 +0200 | [diff] [blame] | 734 | if (sfb->fb.var.bits_per_pixel == 32) |
| 735 | sfb->fb.fix.smem_start += 0x800000; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 736 | #endif |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 737 | |
| 738 | sfb->fb.fix.smem_len = smem_len; |
| 739 | |
| 740 | sfb->fb.screen_base = smtc_VRAMBaseAddress; |
| 741 | |
| 742 | if (!sfb->fb.screen_base) { |
Javier M. Mellid | 6f54b09 | 2012-04-26 20:45:52 +0200 | [diff] [blame] | 743 | dev_err(&pdev->dev, |
| 744 | "%s: unable to map screen memory\n", sfb->fb.fix.id); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 745 | return -ENOMEM; |
| 746 | } |
| 747 | |
| 748 | return 0; |
| 749 | } |
| 750 | |
| 751 | /* |
| 752 | * Unmap in the screen memory |
| 753 | * |
| 754 | */ |
| 755 | static void smtc_unmap_smem(struct smtcfb_info *sfb) |
| 756 | { |
| 757 | if (sfb && sfb->fb.screen_base) { |
| 758 | iounmap(sfb->fb.screen_base); |
| 759 | sfb->fb.screen_base = NULL; |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | /* |
Javier M. Mellid | 0beb30d | 2012-06-10 13:12:23 +0200 | [diff] [blame] | 764 | * We need to wake up the device and make sure its in linear memory mode. |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 765 | */ |
| 766 | static inline void sm7xx_init_hw(void) |
| 767 | { |
| 768 | outb_p(0x18, 0x3c4); |
| 769 | outb_p(0x11, 0x3c5); |
| 770 | } |
| 771 | |
Wu Zhangjin | b99e194 | 2010-07-18 03:16:28 +0800 | [diff] [blame] | 772 | static int __devinit smtcfb_pci_probe(struct pci_dev *pdev, |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 773 | const struct pci_device_id *ent) |
| 774 | { |
| 775 | struct smtcfb_info *sfb; |
| 776 | u_long smem_size = 0x00800000; /* default 8MB */ |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 777 | int err; |
Javier M. Mellid | 3f28ed1 | 2012-09-17 16:12:52 +0200 | [diff] [blame^] | 778 | unsigned long mmio_base; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 779 | |
Javier M. Mellid | 5c40fb3 | 2012-04-26 20:45:54 +0200 | [diff] [blame] | 780 | dev_info(&pdev->dev, "Silicon Motion display driver."); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 781 | |
| 782 | err = pci_enable_device(pdev); /* enable SMTC chip */ |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 783 | if (err) |
| 784 | return err; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 785 | |
Javier M. Mellid | 9f6fe04 | 2012-09-17 16:12:48 +0200 | [diff] [blame] | 786 | sprintf(smtcfb_fix.id, "sm%Xfb", ent->device); |
Devendra Naga | d328ddd | 2012-08-26 11:57:16 +0530 | [diff] [blame] | 787 | |
Javier M. Mellid | 9f6fe04 | 2012-09-17 16:12:48 +0200 | [diff] [blame] | 788 | sfb = smtc_alloc_fb_info(pdev); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 789 | |
Devendra Naga | fd67859 | 2012-07-10 11:19:15 +0530 | [diff] [blame] | 790 | if (!sfb) { |
| 791 | err = -ENOMEM; |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 792 | goto failed_free; |
Devendra Naga | fd67859 | 2012-07-10 11:19:15 +0530 | [diff] [blame] | 793 | } |
Javier M. Mellid | 86f3125 | 2012-04-26 20:45:49 +0200 | [diff] [blame] | 794 | |
Javier M. Mellid | 7813296 | 2012-06-27 14:10:14 +0200 | [diff] [blame] | 795 | sfb->chip_id = ent->device; |
Javier M. Mellid | 9be467d | 2012-04-26 20:45:53 +0200 | [diff] [blame] | 796 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 797 | pci_set_drvdata(pdev, sfb); |
| 798 | |
| 799 | sm7xx_init_hw(); |
| 800 | |
Javier M. Mellid | 013db67 | 2012-07-11 15:49:35 +0200 | [diff] [blame] | 801 | /* get mode parameter from smtc_scr_info */ |
| 802 | if (smtc_scr_info.lfb_width != 0) { |
| 803 | sfb->fb.var.xres = smtc_scr_info.lfb_width; |
| 804 | sfb->fb.var.yres = smtc_scr_info.lfb_height; |
| 805 | sfb->fb.var.bits_per_pixel = smtc_scr_info.lfb_depth; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 806 | } else { |
| 807 | /* default resolution 1024x600 16bit mode */ |
| 808 | sfb->fb.var.xres = SCREEN_X_RES; |
| 809 | sfb->fb.var.yres = SCREEN_Y_RES; |
| 810 | sfb->fb.var.bits_per_pixel = SCREEN_BPP; |
| 811 | } |
| 812 | |
| 813 | #ifdef __BIG_ENDIAN |
| 814 | if (sfb->fb.var.bits_per_pixel == 24) |
Stephen Rothwell | 59e32c4 | 2012-07-19 15:36:08 -0700 | [diff] [blame] | 815 | sfb->fb.var.bits_per_pixel = (smtc_scr_info.lfb_depth = 32); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 816 | #endif |
| 817 | /* Map address and memory detection */ |
Javier M. Mellid | 3f28ed1 | 2012-09-17 16:12:52 +0200 | [diff] [blame^] | 818 | mmio_base = pci_resource_start(pdev, 0); |
Javier M. Mellid | 7813296 | 2012-06-27 14:10:14 +0200 | [diff] [blame] | 819 | pci_read_config_byte(pdev, PCI_REVISION_ID, &sfb->chip_rev_id); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 820 | |
Javier M. Mellid | 7813296 | 2012-06-27 14:10:14 +0200 | [diff] [blame] | 821 | switch (sfb->chip_id) { |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 822 | case 0x710: |
| 823 | case 0x712: |
Javier M. Mellid | 3f28ed1 | 2012-09-17 16:12:52 +0200 | [diff] [blame^] | 824 | sfb->fb.fix.mmio_start = mmio_base + 0x00400000; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 825 | sfb->fb.fix.mmio_len = 0x00400000; |
| 826 | smem_size = SM712_VIDEOMEMORYSIZE; |
| 827 | #ifdef __BIG_ENDIAN |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 828 | sfb->lfb = (smtc_VRAMBaseAddress = |
Javier M. Mellid | 3f28ed1 | 2012-09-17 16:12:52 +0200 | [diff] [blame^] | 829 | ioremap(mmio_base, 0x00c00000)); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 830 | #else |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 831 | sfb->lfb = (smtc_VRAMBaseAddress = |
Javier M. Mellid | 3f28ed1 | 2012-09-17 16:12:52 +0200 | [diff] [blame^] | 832 | ioremap(mmio_base, 0x00800000)); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 833 | #endif |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 834 | sfb->mmio = (smtc_RegBaseAddress = |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 835 | smtc_VRAMBaseAddress + 0x00700000); |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 836 | sfb->dp_regs = smtc_VRAMBaseAddress + 0x00408000; |
| 837 | sfb->vp_regs = sfb->lfb + 0x0040c000; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 838 | #ifdef __BIG_ENDIAN |
| 839 | if (sfb->fb.var.bits_per_pixel == 32) { |
| 840 | smtc_VRAMBaseAddress += 0x800000; |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 841 | sfb->lfb += 0x800000; |
Javier M. Mellid | 6f54b09 | 2012-04-26 20:45:52 +0200 | [diff] [blame] | 842 | dev_info(&pdev->dev, |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 843 | "smtc_VRAMBaseAddress=%p sfb->lfb=%p", |
| 844 | smtc_VRAMBaseAddress, sfb->lfb); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 845 | } |
| 846 | #endif |
| 847 | if (!smtc_RegBaseAddress) { |
Javier M. Mellid | 6f54b09 | 2012-04-26 20:45:52 +0200 | [diff] [blame] | 848 | dev_err(&pdev->dev, |
| 849 | "%s: unable to map memory mapped IO!", |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 850 | sfb->fb.fix.id); |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 851 | err = -ENOMEM; |
| 852 | goto failed_fb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 853 | } |
| 854 | |
| 855 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ |
| 856 | smtc_seqw(0x6a, 0x16); |
| 857 | smtc_seqw(0x6b, 0x02); |
| 858 | smtc_seqw(0x62, 0x3e); |
| 859 | /* enable PCI burst */ |
| 860 | smtc_seqw(0x17, 0x20); |
| 861 | /* enable word swap */ |
| 862 | #ifdef __BIG_ENDIAN |
| 863 | if (sfb->fb.var.bits_per_pixel == 32) |
| 864 | smtc_seqw(0x17, 0x30); |
| 865 | #endif |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 866 | break; |
| 867 | case 0x720: |
Javier M. Mellid | 3f28ed1 | 2012-09-17 16:12:52 +0200 | [diff] [blame^] | 868 | sfb->fb.fix.mmio_start = mmio_base; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 869 | sfb->fb.fix.mmio_len = 0x00200000; |
| 870 | smem_size = SM722_VIDEOMEMORYSIZE; |
Javier M. Mellid | 3f28ed1 | 2012-09-17 16:12:52 +0200 | [diff] [blame^] | 871 | sfb->dp_regs = ioremap(mmio_base, 0x00a00000); |
Javier M. Mellid | 3da53b1 | 2012-09-17 16:12:51 +0200 | [diff] [blame] | 872 | sfb->lfb = (smtc_VRAMBaseAddress = |
| 873 | sfb->dp_regs + 0x00200000); |
| 874 | sfb->mmio = (smtc_RegBaseAddress = |
| 875 | sfb->dp_regs + 0x000c0000); |
| 876 | sfb->vp_regs = sfb->dp_regs + 0x800; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 877 | |
| 878 | smtc_seqw(0x62, 0xff); |
| 879 | smtc_seqw(0x6a, 0x0d); |
| 880 | smtc_seqw(0x6b, 0x02); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 881 | break; |
| 882 | default: |
Javier M. Mellid | 6f54b09 | 2012-04-26 20:45:52 +0200 | [diff] [blame] | 883 | dev_err(&pdev->dev, |
| 884 | "No valid Silicon Motion display chip was detected!"); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 885 | |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 886 | goto failed_fb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 887 | } |
| 888 | |
| 889 | /* can support 32 bpp */ |
| 890 | if (15 == sfb->fb.var.bits_per_pixel) |
| 891 | sfb->fb.var.bits_per_pixel = 16; |
| 892 | |
| 893 | sfb->fb.var.xres_virtual = sfb->fb.var.xres; |
| 894 | sfb->fb.var.yres_virtual = sfb->fb.var.yres; |
| 895 | err = smtc_map_smem(sfb, pdev, smem_size); |
| 896 | if (err) |
| 897 | goto failed; |
| 898 | |
| 899 | smtcfb_setmode(sfb); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 900 | |
| 901 | err = register_framebuffer(&sfb->fb); |
| 902 | if (err < 0) |
| 903 | goto failed; |
| 904 | |
Javier M. Mellid | 6f54b09 | 2012-04-26 20:45:52 +0200 | [diff] [blame] | 905 | dev_info(&pdev->dev, |
Javier M. Mellid | 9be467d | 2012-04-26 20:45:53 +0200 | [diff] [blame] | 906 | "Silicon Motion SM%X Rev%X primary display mode %dx%d-%d Init Complete.", |
Javier M. Mellid | 7813296 | 2012-06-27 14:10:14 +0200 | [diff] [blame] | 907 | sfb->chip_id, sfb->chip_rev_id, sfb->fb.var.xres, |
Javier M. Mellid | 9be467d | 2012-04-26 20:45:53 +0200 | [diff] [blame] | 908 | sfb->fb.var.yres, sfb->fb.var.bits_per_pixel); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 909 | |
| 910 | return 0; |
| 911 | |
anish kumar | 1639c8a | 2011-05-19 20:58:42 +0530 | [diff] [blame] | 912 | failed: |
Javier M. Mellid | 6f54b09 | 2012-04-26 20:45:52 +0200 | [diff] [blame] | 913 | dev_err(&pdev->dev, "Silicon Motion, Inc. primary display init fail."); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 914 | |
| 915 | smtc_unmap_smem(sfb); |
| 916 | smtc_unmap_mmio(sfb); |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 917 | failed_fb: |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 918 | smtc_free_fb_info(sfb); |
| 919 | |
Kulikov Vasiliy | 918e359 | 2010-08-06 23:53:23 +0400 | [diff] [blame] | 920 | failed_free: |
| 921 | pci_disable_device(pdev); |
| 922 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 923 | return err; |
| 924 | } |
| 925 | |
Javier M. Mellid | 0beb30d | 2012-06-10 13:12:23 +0200 | [diff] [blame] | 926 | /* |
| 927 | * 0x710 (LynxEM) |
| 928 | * 0x712 (LynxEM+) |
| 929 | * 0x720 (Lynx3DM, Lynx3DM+) |
| 930 | */ |
Namhyung Kim | 6f475b7 | 2010-12-10 01:40:25 +0900 | [diff] [blame] | 931 | static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = { |
Peter Huewe | c0fe602 | 2011-11-27 15:12:57 +0100 | [diff] [blame] | 932 | { PCI_DEVICE(0x126f, 0x710), }, |
| 933 | { PCI_DEVICE(0x126f, 0x712), }, |
| 934 | { PCI_DEVICE(0x126f, 0x720), }, |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 935 | {0,} |
| 936 | }; |
| 937 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 938 | static void __devexit smtcfb_pci_remove(struct pci_dev *pdev) |
| 939 | { |
| 940 | struct smtcfb_info *sfb; |
| 941 | |
| 942 | sfb = pci_get_drvdata(pdev); |
| 943 | pci_set_drvdata(pdev, NULL); |
| 944 | smtc_unmap_smem(sfb); |
| 945 | smtc_unmap_mmio(sfb); |
| 946 | unregister_framebuffer(&sfb->fb); |
| 947 | smtc_free_fb_info(sfb); |
| 948 | } |
| 949 | |
Javier M. Mellid | 392a002 | 2011-03-30 16:24:10 +0200 | [diff] [blame] | 950 | #ifdef CONFIG_PM |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 951 | static int smtcfb_pci_suspend(struct device *device) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 952 | { |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 953 | struct pci_dev *pdev = to_pci_dev(device); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 954 | struct smtcfb_info *sfb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 955 | |
| 956 | sfb = pci_get_drvdata(pdev); |
| 957 | |
Justin P. Mattock | 7756d3e8b | 2012-06-25 07:28:25 -0700 | [diff] [blame] | 958 | /* set the hw in sleep mode use external clock and self memory refresh |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 959 | * so that we can turn off internal PLLs later on |
| 960 | */ |
| 961 | smtc_seqw(0x20, (smtc_seqr(0x20) | 0xc0)); |
| 962 | smtc_seqw(0x69, (smtc_seqr(0x69) & 0xf7)); |
| 963 | |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 964 | console_lock(); |
| 965 | fb_set_suspend(&sfb->fb, 1); |
| 966 | console_unlock(); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 967 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 968 | /* additionally turn off all function blocks including internal PLLs */ |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 969 | smtc_seqw(0x21, 0xff); |
| 970 | |
| 971 | return 0; |
| 972 | } |
| 973 | |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 974 | static int smtcfb_pci_resume(struct device *device) |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 975 | { |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 976 | struct pci_dev *pdev = to_pci_dev(device); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 977 | struct smtcfb_info *sfb; |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 978 | |
| 979 | sfb = pci_get_drvdata(pdev); |
| 980 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 981 | /* reinit hardware */ |
| 982 | sm7xx_init_hw(); |
Javier M. Mellid | 7813296 | 2012-06-27 14:10:14 +0200 | [diff] [blame] | 983 | switch (sfb->chip_id) { |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 984 | case 0x710: |
| 985 | case 0x712: |
| 986 | /* set MCLK = 14.31818 * (0x16 / 0x2) */ |
| 987 | smtc_seqw(0x6a, 0x16); |
| 988 | smtc_seqw(0x6b, 0x02); |
| 989 | smtc_seqw(0x62, 0x3e); |
| 990 | /* enable PCI burst */ |
| 991 | smtc_seqw(0x17, 0x20); |
| 992 | #ifdef __BIG_ENDIAN |
| 993 | if (sfb->fb.var.bits_per_pixel == 32) |
| 994 | smtc_seqw(0x17, 0x30); |
| 995 | #endif |
| 996 | break; |
| 997 | case 0x720: |
| 998 | smtc_seqw(0x62, 0xff); |
| 999 | smtc_seqw(0x6a, 0x0d); |
| 1000 | smtc_seqw(0x6b, 0x02); |
| 1001 | break; |
| 1002 | } |
| 1003 | |
| 1004 | smtc_seqw(0x34, (smtc_seqr(0x34) | 0xc0)); |
| 1005 | smtc_seqw(0x33, ((smtc_seqr(0x33) | 0x08) & 0xfb)); |
| 1006 | |
| 1007 | smtcfb_setmode(sfb); |
| 1008 | |
Torben Hohn | ac751ef | 2011-01-25 15:07:35 -0800 | [diff] [blame] | 1009 | console_lock(); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1010 | fb_set_suspend(&sfb->fb, 0); |
Torben Hohn | ac751ef | 2011-01-25 15:07:35 -0800 | [diff] [blame] | 1011 | console_unlock(); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1012 | |
| 1013 | return 0; |
| 1014 | } |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1015 | |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 1016 | static const struct dev_pm_ops sm7xx_pm_ops = { |
| 1017 | .suspend = smtcfb_pci_suspend, |
| 1018 | .resume = smtcfb_pci_resume, |
| 1019 | .freeze = smtcfb_pci_suspend, |
| 1020 | .thaw = smtcfb_pci_resume, |
| 1021 | .poweroff = smtcfb_pci_suspend, |
| 1022 | .restore = smtcfb_pci_resume, |
| 1023 | }; |
| 1024 | |
| 1025 | #define SM7XX_PM_OPS (&sm7xx_pm_ops) |
| 1026 | |
| 1027 | #else /* !CONFIG_PM */ |
| 1028 | |
| 1029 | #define SM7XX_PM_OPS NULL |
| 1030 | |
| 1031 | #endif /* !CONFIG_PM */ |
| 1032 | |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1033 | static struct pci_driver smtcfb_driver = { |
| 1034 | .name = "smtcfb", |
| 1035 | .id_table = smtcfb_pci_table, |
| 1036 | .probe = smtcfb_pci_probe, |
| 1037 | .remove = __devexit_p(smtcfb_pci_remove), |
Javier M. Mellid | 5981567 | 2011-04-30 17:44:25 +0200 | [diff] [blame] | 1038 | .driver.pm = SM7XX_PM_OPS, |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1039 | }; |
| 1040 | |
Devendra Naga | e6345c8 | 2012-07-10 11:19:14 +0530 | [diff] [blame] | 1041 | module_pci_driver(smtcfb_driver); |
Wu Zhangjin | d7edf47 | 2009-11-23 10:28:24 +0800 | [diff] [blame] | 1042 | |
| 1043 | MODULE_AUTHOR("Siliconmotion "); |
| 1044 | MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards"); |
| 1045 | MODULE_LICENSE("GPL"); |