2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #include <linux/module.h>
27 static int MAX_CURS = 32;
28 static struct fb_var_screeninfo default_var;
29 static char *viafb_name = "Via";
30 static u32 pseudo_pal[17];
33 static char *viafb_mode = "640x480";
34 static char *viafb_mode1 = "640x480";
36 /* Added for specifying active devices.*/
37 char *viafb_active_dev = "";
39 /* Added for specifying video on devices.*/
40 char *viafb_video_dev = "";
42 /*Added for specify lcd output port*/
43 char *viafb_lcd_port = "";
44 char *viafb_dvi_port = "";
46 static void viafb_set_device(struct device_t active_dev);
47 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
48 struct fb_info *info);
49 static void apply_second_mode_setting(struct fb_var_screeninfo
51 static void retrieve_device_setting(struct viafb_ioctl_setting
53 static void viafb_set_video_device(u32 video_dev_info);
54 static void viafb_get_video_device(u32 *video_dev_info);
56 /* Mode information */
57 static const struct viafb_modeinfo viafb_modentry[] = {
58 {480, 640, VIA_RES_480X640},
59 {640, 480, VIA_RES_640X480},
60 {800, 480, VIA_RES_800X480},
61 {800, 600, VIA_RES_800X600},
62 {1024, 768, VIA_RES_1024X768},
63 {1152, 864, VIA_RES_1152X864},
64 {1280, 1024, VIA_RES_1280X1024},
65 {1600, 1200, VIA_RES_1600X1200},
66 {1440, 1050, VIA_RES_1440X1050},
67 {1280, 768, VIA_RES_1280X768,},
68 {1280, 800, VIA_RES_1280X800},
69 {1280, 960, VIA_RES_1280X960},
70 {1920, 1440, VIA_RES_1920X1440},
71 {848, 480, VIA_RES_848X480},
72 {1400, 1050, VIA_RES_1400X1050},
73 {720, 480, VIA_RES_720X480},
74 {720, 576, VIA_RES_720X576},
75 {1024, 512, VIA_RES_1024X512},
76 {1024, 576, VIA_RES_1024X576},
77 {1024, 600, VIA_RES_1024X600},
78 {1280, 720, VIA_RES_1280X720},
79 {1920, 1080, VIA_RES_1920X1080},
80 {1366, 768, VIA_RES_1368X768},
81 {1680, 1050, VIA_RES_1680X1050},
82 {960, 600, VIA_RES_960X600},
83 {1000, 600, VIA_RES_1000X600},
84 {1024, 576, VIA_RES_1024X576},
85 {1024, 600, VIA_RES_1024X600},
86 {1088, 612, VIA_RES_1088X612},
87 {1152, 720, VIA_RES_1152X720},
88 {1200, 720, VIA_RES_1200X720},
89 {1280, 600, VIA_RES_1280X600},
90 {1360, 768, VIA_RES_1360X768},
91 {1440, 900, VIA_RES_1440X900},
92 {1600, 900, VIA_RES_1600X900},
93 {1600, 1024, VIA_RES_1600X1024},
94 {1792, 1344, VIA_RES_1792X1344},
95 {1856, 1392, VIA_RES_1856X1392},
96 {1920, 1200, VIA_RES_1920X1200},
97 {2048, 1536, VIA_RES_2048X1536},
98 {0, 0, VIA_RES_INVALID}
101 static struct fb_ops viafb_ops;
104 static void viafb_update_fix(struct fb_info *info)
106 u32 bpp = info->var.bits_per_pixel;
109 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
110 info->fix.line_length =
111 ((info->var.xres_virtual + 7) & ~7) * bpp / 8;
114 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
115 struct viafb_par *viaparinfo)
117 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
118 strcpy(fix->id, viafb_name);
120 fix->smem_start = viaparinfo->fbmem;
121 fix->smem_len = viaparinfo->fbmem_free;
122 fix->mmio_start = viaparinfo->mmio_base;
123 fix->mmio_len = viaparinfo->mmio_len;
125 fix->type = FB_TYPE_PACKED_PIXELS;
128 fix->xpanstep = fix->ywrapstep = 0;
131 /* Just tell the accel name */
132 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
134 static int viafb_open(struct fb_info *info, int user)
136 DEBUG_MSG(KERN_INFO "viafb_open!\n");
140 static int viafb_release(struct fb_info *info, int user)
142 DEBUG_MSG(KERN_INFO "viafb_release!\n");
146 static int viafb_check_var(struct fb_var_screeninfo *var,
147 struct fb_info *info)
149 int vmode_index, htotal, vtotal;
150 struct viafb_par *ppar;
152 struct viafb_par *p_viafb_par;
156 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
158 /* HW neither support interlacte nor double-scaned mode */
159 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
162 vmode_index = viafb_get_mode_index(var->xres, var->yres);
163 if (vmode_index == VIA_RES_INVALID) {
165 "viafb: Mode %dx%dx%d not supported!!\n",
166 var->xres, var->yres, var->bits_per_pixel);
170 if (24 == var->bits_per_pixel)
171 var->bits_per_pixel = 32;
173 if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
174 var->bits_per_pixel != 32)
177 if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
178 /*32 pixel alignment */
179 var->xres_virtual = (var->xres_virtual + 31) & ~31;
180 if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
184 /* Based on var passed in to calculate the refresh,
185 * because our driver use some modes special.
187 htotal = var->xres + var->left_margin +
188 var->right_margin + var->hsync_len;
189 vtotal = var->yres + var->upper_margin +
190 var->lower_margin + var->vsync_len;
191 long_refresh = 1000000000UL / var->pixclock * 1000;
192 long_refresh /= (htotal * vtotal);
194 viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
196 /* Adjust var according to our driver's own table */
197 viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
199 /* This is indeed a patch for VT3353 */
202 p_viafb_par = (struct viafb_par *)info->par;
203 if (p_viafb_par->chip_info->gfx_chip_name == UNICHROME_VX800)
204 var->accel_flags = 0;
209 static int viafb_set_par(struct fb_info *info)
212 int vmode_index1 = 0;
213 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
215 viafb_update_device_setting(info->var.xres, info->var.yres,
216 info->var.bits_per_pixel, viafb_refresh, 0);
218 vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
220 if (viafb_SAMM_ON == 1) {
222 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
223 viafb_second_xres, viafb_second_yres, viafb_bpp1);
224 vmode_index1 = viafb_get_mode_index(viafb_second_xres,
226 DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
229 viafb_update_device_setting(viafb_second_xres,
230 viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
233 if (vmode_index != VIA_RES_INVALID) {
234 viafb_setmode(vmode_index, info->var.xres, info->var.yres,
235 info->var.bits_per_pixel, vmode_index1,
236 viafb_second_xres, viafb_second_yres, viafb_bpp1);
238 /*We should set memory offset according virtual_x */
239 /*Fix me:put this function into viafb_setmode */
240 viafb_memory_pitch_patch(info);
241 viafb_update_fix(info);
242 viafb_bpp = info->var.bits_per_pixel;
243 /* Update viafb_accel, it is necessary to our 2D accelerate */
244 viafb_accel = info->var.accel_flags;
247 viafb_set_2d_color_depth(info->var.bits_per_pixel);
253 /* Set one color register */
254 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
255 unsigned blue, unsigned transp, struct fb_info *info)
257 u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
258 unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
259 DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
260 if (regno >= cmap_entries)
262 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
264 * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
266 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
267 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
269 switch (info->var.bits_per_pixel) {
280 /* Map the 3C6/7/8/9 to the IGA2 */
282 outb(sr1a | 0x01, 0x3C5);
283 /* Second Display Engine colck always on */
285 outb(sr1b | 0x80, 0x3C5);
286 /* Second Display Color Depth 8 */
288 outb(cr67 & 0x3F, 0x3D5);
290 /* Second Display Channel Reset CR6A[6]) */
291 outb(cr6a & 0xBF, 0x3D5);
292 /* Second Display Channel Enable CR6A[7] */
293 outb(cr6a | 0x80, 0x3D5);
294 /* Second Display Channel stop reset) */
295 outb(cr6a | 0x40, 0x3D5);
297 /* Bit mask of palette */
299 /* Write one register of IGA2 */
301 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
304 viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
305 viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
308 viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
309 viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
311 outb(red >> shift, 0x3C9);
312 outb(green >> shift, 0x3C9);
313 outb(blue >> shift, 0x3C9);
315 /* Map the 3C6/7/8/9 to the IGA1 */
317 outb(sr1a & 0xFE, 0x3C5);
318 /* Bit mask of palette */
320 /* Write one register of IGA1 */
322 outb(red >> shift, 0x3C9);
323 outb(green >> shift, 0x3C9);
324 outb(blue >> shift, 0x3C9);
336 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
337 ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
340 ((u32 *) info->pseudo_palette)[regno] =
341 ((transp & 0xFF00) << 16) |
342 ((red & 0xFF00) << 8) |
343 ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
351 /*CALLED BY: fb_set_cmap */
352 /* fb_set_var, pass 256 colors */
353 /*CALLED BY: fb_set_cmap */
354 /* fbcon_set_palette, pass 16 colors */
355 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
359 u16 *pred = cmap->red;
360 u16 *pgreen = cmap->green;
361 u16 *pblue = cmap->blue;
362 u16 *ptransp = cmap->transp;
363 u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
366 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
368 * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
371 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
372 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
374 switch (info->var.bits_per_pixel) {
384 /* Map the 3C6/7/8/9 to the IGA2 */
386 outb(sr1a | 0x01, 0x3C5);
388 /* Second Display Engine colck always on */
389 outb(sr1b | 0x80, 0x3C5);
391 /* Second Display Color Depth 8 */
392 outb(cr67 & 0x3F, 0x3D5);
394 /* Second Display Channel Reset CR6A[6]) */
395 outb(cr6a & 0xBF, 0x3D5);
396 /* Second Display Channel Enable CR6A[7] */
397 outb(cr6a | 0x80, 0x3D5);
398 /* Second Display Channel stop reset) */
399 outb(cr6a | 0xC0, 0x3D5);
401 /* Bit mask of palette */
404 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
407 viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
408 viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
411 viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
412 viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
414 for (i = 0; i < len; i++) {
415 outb((*(pred + i)) >> shift, 0x3C9);
416 outb((*(pgreen + i)) >> shift, 0x3C9);
417 outb((*(pblue + i)) >> shift, 0x3C9);
421 /* Map the 3C6/7/8/9 to the IGA1 */
422 outb(sr1a & 0xFE, 0x3C5);
423 /* Bit mask of palette */
426 for (i = 0; i < len; i++) {
427 outb((*(pred + i)) >> shift, 0x3C9);
428 outb((*(pgreen + i)) >> shift, 0x3C9);
429 outb((*(pblue + i)) >> shift, 0x3C9);
443 return 0; /* Because static u32 pseudo_pal[17]; */
444 for (i = 0; i < len; i++)
445 ((u32 *) info->pseudo_palette)[i] =
446 (*(pred + i) & 0xF800) |
447 ((*(pgreen + i) & 0xFC00) >> 5) |
448 ((*(pblue + i) & 0xF800) >> 11);
454 for (i = 0; i < len; i++)
455 ((u32 *) info->pseudo_palette)[i] =
456 ((*(ptransp + i) & 0xFF00) << 16) |
457 ((*(pred + i) & 0xFF00) << 8) |
458 ((*(pgreen + i) & 0xFF00)) |
459 ((*(pblue + i) & 0xFF00) >> 8);
461 for (i = 0; i < len; i++)
462 ((u32 *) info->pseudo_palette)[i] =
464 ((*(pred + i) & 0xFF00) << 8) |
465 ((*(pgreen + i) & 0xFF00)) |
466 ((*(pblue + i) & 0xFF00) >> 8);
473 static int viafb_pan_display(struct fb_var_screeninfo *var,
474 struct fb_info *info)
478 DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
480 offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
481 var->bits_per_pixel / 16;
483 DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
484 viafb_set_primary_address(offset);
488 static int viafb_blank(int blank_mode, struct fb_info *info)
490 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
491 /* clear DPMS setting */
493 switch (blank_mode) {
494 case FB_BLANK_UNBLANK:
495 /* Screen: On, HSync: On, VSync: On */
496 /* control CRT monitor power management */
497 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
499 case FB_BLANK_HSYNC_SUSPEND:
500 /* Screen: Off, HSync: Off, VSync: On */
501 /* control CRT monitor power management */
502 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
504 case FB_BLANK_VSYNC_SUSPEND:
505 /* Screen: Off, HSync: On, VSync: Off */
506 /* control CRT monitor power management */
507 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
509 case FB_BLANK_POWERDOWN:
510 /* Screen: Off, HSync: Off, VSync: Off */
511 /* control CRT monitor power management */
512 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
519 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
522 struct viafb_ioctl_mode viamode;
523 struct viafb_ioctl_samm viasamm;
524 struct viafb_driver_version driver_version;
525 struct fb_var_screeninfo sec_var;
526 struct _panel_size_pos_info panel_pos_size_para;
527 struct viafb_ioctl_setting viafb_setting;
528 struct device_t active_dev;
531 u32 *viafb_gamma_table;
532 char driver_name[] = "viafb";
534 u32 __user *argp = (u32 __user *) arg;
536 u32 video_dev_info = 0;
538 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
539 memset(&u, 0, sizeof(u));
542 case VIAFB_GET_CHIP_INFO:
543 if (copy_to_user(argp, viaparinfo->chip_info,
544 sizeof(struct chip_information)))
547 case VIAFB_GET_INFO_SIZE:
548 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
550 return viafb_ioctl_get_viafb_info(arg);
552 return put_user(viafb_ioctl_hotplug(info->var.xres,
554 info->var.bits_per_pixel), argp);
555 case VIAFB_SET_HOTPLUG_FLAG:
556 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
558 viafb_hotplug = (gpu32) ? 1 : 0;
560 case VIAFB_GET_RESOLUTION:
561 u.viamode.xres = (u32) viafb_hotplug_Xres;
562 u.viamode.yres = (u32) viafb_hotplug_Yres;
563 u.viamode.refresh = (u32) viafb_hotplug_refresh;
564 u.viamode.bpp = (u32) viafb_hotplug_bpp;
565 if (viafb_SAMM_ON == 1) {
566 u.viamode.xres_sec = viafb_second_xres;
567 u.viamode.yres_sec = viafb_second_yres;
568 u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
569 u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
570 u.viamode.refresh_sec = viafb_refresh1;
571 u.viamode.bpp_sec = viafb_bpp1;
573 u.viamode.xres_sec = 0;
574 u.viamode.yres_sec = 0;
575 u.viamode.virtual_xres_sec = 0;
576 u.viamode.virtual_yres_sec = 0;
577 u.viamode.refresh_sec = 0;
578 u.viamode.bpp_sec = 0;
580 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
583 case VIAFB_GET_SAMM_INFO:
584 u.viasamm.samm_status = viafb_SAMM_ON;
586 if (viafb_SAMM_ON == 1) {
588 u.viasamm.size_prim = viaparinfo->fbmem_free;
589 u.viasamm.size_sec = viaparinfo1->fbmem_free;
591 if (viafb_second_size) {
592 u.viasamm.size_prim =
593 viaparinfo->fbmem_free -
594 viafb_second_size * 1024 * 1024;
596 viafb_second_size * 1024 * 1024;
598 u.viasamm.size_prim =
599 viaparinfo->fbmem_free >> 1;
601 (viaparinfo->fbmem_free >> 1);
604 u.viasamm.mem_base = viaparinfo->fbmem;
605 u.viasamm.offset_sec = viafb_second_offset;
607 u.viasamm.size_prim =
608 viaparinfo->memsize - viaparinfo->fbmem_used;
609 u.viasamm.size_sec = 0;
610 u.viasamm.mem_base = viaparinfo->fbmem;
611 u.viasamm.offset_sec = 0;
614 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
618 case VIAFB_TURN_ON_OUTPUT_DEVICE:
619 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
621 if (gpu32 & CRT_Device)
623 if (gpu32 & DVI_Device)
625 if (gpu32 & LCD_Device)
628 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
629 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
631 if (gpu32 & CRT_Device)
633 if (gpu32 & DVI_Device)
635 if (gpu32 & LCD_Device)
638 case VIAFB_SET_DEVICE:
639 if (copy_from_user(&u.active_dev, (void *)argp,
640 sizeof(u.active_dev)))
642 viafb_set_device(u.active_dev);
645 case VIAFB_GET_DEVICE:
646 u.active_dev.crt = viafb_CRT_ON;
647 u.active_dev.dvi = viafb_DVI_ON;
648 u.active_dev.lcd = viafb_LCD_ON;
649 u.active_dev.samm = viafb_SAMM_ON;
650 u.active_dev.primary_dev = viafb_primary_dev;
652 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
653 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
654 u.active_dev.lcd_mode = viafb_lcd_mode;
656 u.active_dev.xres = viafb_hotplug_Xres;
657 u.active_dev.yres = viafb_hotplug_Yres;
659 u.active_dev.xres1 = viafb_second_xres;
660 u.active_dev.yres1 = viafb_second_yres;
662 u.active_dev.bpp = viafb_bpp;
663 u.active_dev.bpp1 = viafb_bpp1;
664 u.active_dev.refresh = viafb_refresh;
665 u.active_dev.refresh1 = viafb_refresh1;
667 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
668 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
669 u.active_dev.bus_width = viafb_bus_width;
671 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
675 case VIAFB_GET_DRIVER_VERSION:
676 u.driver_version.iMajorNum = VERSION_MAJOR;
677 u.driver_version.iKernelNum = VERSION_KERNEL;
678 u.driver_version.iOSNum = VERSION_OS;
679 u.driver_version.iMinorNum = VERSION_MINOR;
681 if (copy_to_user(argp, &u.driver_version,
682 sizeof(u.driver_version)))
687 case VIAFB_SET_DEVICE_INFO:
688 if (copy_from_user(&u.viafb_setting,
689 argp, sizeof(u.viafb_setting)))
691 if (apply_device_setting(u.viafb_setting, info) < 0)
696 case VIAFB_SET_SECOND_MODE:
697 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
699 apply_second_mode_setting(&u.sec_var);
702 case VIAFB_GET_DEVICE_INFO:
704 retrieve_device_setting(&u.viafb_setting);
706 if (copy_to_user(argp, &u.viafb_setting,
707 sizeof(u.viafb_setting)))
712 case VIAFB_GET_DEVICE_SUPPORT:
713 viafb_get_device_support_state(&state_info);
714 if (put_user(state_info, argp))
718 case VIAFB_GET_DEVICE_CONNECT:
719 viafb_get_device_connect_state(&state_info);
720 if (put_user(state_info, argp))
724 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
726 viafb_lcd_get_support_expand_state(info->var.xres,
728 if (put_user(state_info, argp))
732 case VIAFB_GET_DRIVER_NAME:
733 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
737 case VIAFB_SET_GAMMA_LUT:
738 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
739 if (!viafb_gamma_table)
741 if (copy_from_user(viafb_gamma_table, argp,
742 sizeof(viafb_gamma_table))) {
743 kfree(viafb_gamma_table);
746 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
747 kfree(viafb_gamma_table);
750 case VIAFB_GET_GAMMA_LUT:
751 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
752 if (!viafb_gamma_table)
754 viafb_get_gamma_table(viafb_gamma_table);
755 if (copy_to_user(argp, viafb_gamma_table,
756 sizeof(viafb_gamma_table))) {
757 kfree(viafb_gamma_table);
760 kfree(viafb_gamma_table);
763 case VIAFB_GET_GAMMA_SUPPORT_STATE:
764 viafb_get_gamma_support_state(viafb_bpp, &state_info);
765 if (put_user(state_info, argp))
768 case VIAFB_SET_VIDEO_DEVICE:
769 get_user(video_dev_info, argp);
770 viafb_set_video_device(video_dev_info);
772 case VIAFB_GET_VIDEO_DEVICE:
773 viafb_get_video_device(&video_dev_info);
774 if (put_user(video_dev_info, argp))
777 case VIAFB_SYNC_SURFACE:
778 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
780 case VIAFB_GET_DRIVER_CAPS:
783 case VIAFB_GET_PANEL_MAX_SIZE:
784 if (copy_from_user(&u.panel_pos_size_para, argp,
785 sizeof(u.panel_pos_size_para)))
787 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
788 if (copy_to_user(argp, &u.panel_pos_size_para,
789 sizeof(u.panel_pos_size_para)))
792 case VIAFB_GET_PANEL_MAX_POSITION:
793 if (copy_from_user(&u.panel_pos_size_para, argp,
794 sizeof(u.panel_pos_size_para)))
796 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
797 if (copy_to_user(argp, &u.panel_pos_size_para,
798 sizeof(u.panel_pos_size_para)))
802 case VIAFB_GET_PANEL_POSITION:
803 if (copy_from_user(&u.panel_pos_size_para, argp,
804 sizeof(u.panel_pos_size_para)))
806 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
807 if (copy_to_user(argp, &u.panel_pos_size_para,
808 sizeof(u.panel_pos_size_para)))
811 case VIAFB_GET_PANEL_SIZE:
812 if (copy_from_user(&u.panel_pos_size_para, argp,
813 sizeof(u.panel_pos_size_para)))
815 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
816 if (copy_to_user(argp, &u.panel_pos_size_para,
817 sizeof(u.panel_pos_size_para)))
821 case VIAFB_SET_PANEL_POSITION:
822 if (copy_from_user(&u.panel_pos_size_para, argp,
823 sizeof(u.panel_pos_size_para)))
826 case VIAFB_SET_PANEL_SIZE:
827 if (copy_from_user(&u.panel_pos_size_para, argp,
828 sizeof(u.panel_pos_size_para)))
839 static void viafb_fillrect(struct fb_info *info,
840 const struct fb_fillrect *rect)
842 u32 col = 0, rop = 0;
846 cfb_fillrect(info, rect);
850 if (!rect->width || !rect->height)
863 switch (info->var.bits_per_pixel) {
868 col = ((u32 *) (info->pseudo_palette))[rect->color];
871 col = ((u32 *) (info->pseudo_palette))[rect->color];
875 /* BitBlt Source Address */
876 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
877 /* Source Base Address */
878 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
879 /* Destination Base Address */
880 writel(((unsigned long) (info->screen_base) -
881 (unsigned long) viafb_FB_MM) >> 3,
882 viaparinfo->io_virt + VIA_REG_DSTBASE);
884 pitch = (info->var.xres_virtual + 7) & ~7;
885 writel(VIA_PITCH_ENABLE |
887 info->var.bits_per_pixel >> 3) >> 3) |
889 var.bits_per_pixel >> 3) >> 3) << 16)),
890 viaparinfo->io_virt + VIA_REG_PITCH);
891 /* BitBlt Destination Address */
892 writel(((rect->dy << 16) | rect->dx),
893 viaparinfo->io_virt + VIA_REG_DSTPOS);
894 /* Dimension: width & height */
895 writel((((rect->height - 1) << 16) | (rect->width - 1)),
896 viaparinfo->io_virt + VIA_REG_DIMENSION);
897 /* Forground color or Destination color */
898 writel(col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
900 writel((0x01 | 0x2000 | (rop << 24)),
901 viaparinfo->io_virt + VIA_REG_GECMD);
905 static void viafb_copyarea(struct fb_info *info,
906 const struct fb_copyarea *area)
908 u32 dy = area->dy, sy = area->sy, direction = 0x0;
909 u32 sx = area->sx, dx = area->dx, width = area->width;
912 DEBUG_MSG(KERN_INFO "viafb_copyarea!!\n");
915 cfb_copyarea(info, area);
919 if (!area->width || !area->height)
923 dy += area->height - 1;
924 sy += area->height - 1;
934 /* Source Base Address */
935 writel(((unsigned long) (info->screen_base) -
936 (unsigned long) viafb_FB_MM) >> 3,
937 viaparinfo->io_virt + VIA_REG_SRCBASE);
938 /* Destination Base Address */
939 writel(((unsigned long) (info->screen_base) -
940 (unsigned long) viafb_FB_MM) >> 3,
941 viaparinfo->io_virt + VIA_REG_DSTBASE);
943 pitch = (info->var.xres_virtual + 7) & ~7;
944 /* VIA_PITCH_ENABLE can be omitted now. */
945 writel(VIA_PITCH_ENABLE |
947 info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
952 viaparinfo->io_virt + VIA_REG_PITCH);
953 /* BitBlt Source Address */
954 writel(((sy << 16) | sx), viaparinfo->io_virt + VIA_REG_SRCPOS);
955 /* BitBlt Destination Address */
956 writel(((dy << 16) | dx), viaparinfo->io_virt + VIA_REG_DSTPOS);
957 /* Dimension: width & height */
958 writel((((area->height - 1) << 16) | (area->width - 1)),
959 viaparinfo->io_virt + VIA_REG_DIMENSION);
961 writel((0x01 | direction | (0xCC << 24)),
962 viaparinfo->io_virt + VIA_REG_GECMD);
966 static void viafb_imageblit(struct fb_info *info,
967 const struct fb_image *image)
969 u32 size, bg_col = 0, fg_col = 0, *udata;
974 cfb_imageblit(info, image);
978 udata = (u32 *) image->data;
980 switch (info->var.bits_per_pixel) {
982 bg_col = image->bg_color;
983 fg_col = image->fg_color;
986 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
987 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
990 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
991 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
994 size = image->width * image->height;
996 /* Source Base Address */
997 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
998 /* Destination Base Address */
999 writel(((unsigned long) (info->screen_base) -
1000 (unsigned long) viafb_FB_MM) >> 3,
1001 viaparinfo->io_virt + VIA_REG_DSTBASE);
1003 pitch = (info->var.xres_virtual + 7) & ~7;
1004 writel(VIA_PITCH_ENABLE |
1006 info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
1011 viaparinfo->io_virt + VIA_REG_PITCH);
1012 /* BitBlt Source Address */
1013 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
1014 /* BitBlt Destination Address */
1015 writel(((image->dy << 16) | image->dx),
1016 viaparinfo->io_virt + VIA_REG_DSTPOS);
1017 /* Dimension: width & height */
1018 writel((((image->height - 1) << 16) | (image->width - 1)),
1019 viaparinfo->io_virt + VIA_REG_DIMENSION);
1021 writel(fg_col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
1023 writel(bg_col, viaparinfo->io_virt + VIA_REG_BGCOLOR);
1025 writel(0xCC020142, viaparinfo->io_virt + VIA_REG_GECMD);
1027 for (i = 0; i < size / 4; i++) {
1028 writel(*udata, viaparinfo->io_virt + VIA_MMIO_BLTBASE);
1034 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
1036 u32 temp, xx, yy, bg_col = 0, fg_col = 0;
1038 static int hw_cursor;
1039 struct viafb_par *p_viafb_par;
1046 viafb_show_hw_cursor(info, HW_Cursor_OFF);
1052 if ((((struct viafb_par *)(info->par))->iga_path == IGA2)
1053 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1056 /* When duoview and using lcd , use soft cursor */
1057 if (viafb_LCD_ON || ((struct viafb_par *)(info->par))->duoview)
1060 viafb_show_hw_cursor(info, HW_Cursor_OFF);
1061 viacursor = *cursor;
1063 if (cursor->set & FB_CUR_SETHOT) {
1064 viacursor.hot = cursor->hot;
1065 temp = ((viacursor.hot.x) << 16) + viacursor.hot.y;
1066 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_ORG);
1069 if (cursor->set & FB_CUR_SETPOS) {
1070 viacursor.image.dx = cursor->image.dx;
1071 viacursor.image.dy = cursor->image.dy;
1072 yy = cursor->image.dy - info->var.yoffset;
1073 xx = cursor->image.dx - info->var.xoffset;
1076 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_POS);
1079 if (cursor->set & FB_CUR_SETSIZE) {
1080 temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1082 if ((cursor->image.width <= 32)
1083 && (cursor->image.height <= 32)) {
1086 } else if ((cursor->image.width <= 64)
1087 && (cursor->image.height <= 64)) {
1092 "The cursor image is biger than 64x64 bits...\n");
1095 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1097 viacursor.image.height = cursor->image.height;
1098 viacursor.image.width = cursor->image.width;
1101 if (cursor->set & FB_CUR_SETCMAP) {
1102 viacursor.image.fg_color = cursor->image.fg_color;
1103 viacursor.image.bg_color = cursor->image.bg_color;
1105 switch (info->var.bits_per_pixel) {
1111 (((info->cmap.red)[viacursor.image.bg_color] &
1113 ((info->cmap.green)[viacursor.image.bg_color] &
1115 (((info->cmap.blue)[viacursor.image.bg_color] &
1119 (((info->cmap.red)[viacursor.image.fg_color] &
1121 ((info->cmap.green)[viacursor.image.fg_color] &
1123 (((info->cmap.blue)[viacursor.image.fg_color] &
1130 /* This is indeed a patch for VT3324/VT3353 */
1133 p_viafb_par = (struct viafb_par *)info->par;
1135 if ((p_viafb_par->chip_info->gfx_chip_name ==
1137 ((p_viafb_par->chip_info->gfx_chip_name ==
1138 UNICHROME_VX800))) {
1140 (((info->cmap.red)[viacursor.image.bg_color] &
1142 (((info->cmap.green)[viacursor.image.bg_color] &
1144 (((info->cmap.blue)[viacursor.image.bg_color] &
1147 (((info->cmap.red)[viacursor.image.fg_color] &
1149 (((info->cmap.green)[viacursor.image.fg_color] &
1151 (((info->cmap.blue)[viacursor.image.fg_color] &
1155 writel(bg_col, viaparinfo->io_virt + VIA_REG_CURSOR_BG);
1156 writel(fg_col, viaparinfo->io_virt + VIA_REG_CURSOR_FG);
1159 if (cursor->set & FB_CUR_SETSHAPE) {
1161 u8 data[CURSOR_SIZE / 8];
1162 u32 bak[CURSOR_SIZE / 32];
1163 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
1165 ((viacursor.image.width + 7) >> 3) *
1166 viacursor.image.height;
1168 if (cr_data == NULL)
1171 if (MAX_CURS == 32) {
1172 for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1173 cr_data->bak[i] = 0x0;
1174 cr_data->bak[i + 1] = 0xFFFFFFFF;
1177 } else if (MAX_CURS == 64) {
1178 for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1179 cr_data->bak[i] = 0x0;
1180 cr_data->bak[i + 1] = 0x0;
1181 cr_data->bak[i + 2] = 0xFFFFFFFF;
1182 cr_data->bak[i + 3] = 0xFFFFFFFF;
1187 switch (viacursor.rop) {
1189 for (i = 0; i < size; i++)
1190 cr_data->data[i] = viacursor.mask[i];
1194 for (i = 0; i < size; i++)
1195 cr_data->data[i] = viacursor.mask[i];
1201 if (MAX_CURS == 32) {
1202 for (i = 0; i < size; i++) {
1203 cr_data->bak[j] = (u32) cr_data->data[i];
1204 cr_data->bak[j + 1] = ~cr_data->bak[j];
1207 } else if (MAX_CURS == 64) {
1208 for (i = 0; i < size; i++) {
1209 cr_data->bak[j] = (u32) cr_data->data[i];
1210 cr_data->bak[j + 1] = 0x0;
1211 cr_data->bak[j + 2] = ~cr_data->bak[j];
1212 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
1217 memcpy(((struct viafb_par *)(info->par))->fbmem_virt +
1218 ((struct viafb_par *)(info->par))->cursor_start,
1219 cr_data->bak, CURSOR_SIZE);
1224 if (viacursor.enable)
1225 viafb_show_hw_cursor(info, HW_Cursor_ON);
1230 static int viafb_sync(struct fb_info *info)
1233 viafb_wait_engine_idle();
1237 int viafb_get_mode_index(int hres, int vres)
1240 DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
1242 for (i = 0; viafb_modentry[i].mode_index != VIA_RES_INVALID; i++)
1243 if (viafb_modentry[i].xres == hres &&
1244 viafb_modentry[i].yres == vres)
1247 return viafb_modentry[i].mode_index;
1250 static void check_available_device_to_enable(int device_id)
1255 viafb_CRT_ON = STATE_OFF;
1256 viafb_DVI_ON = STATE_OFF;
1257 viafb_LCD_ON = STATE_OFF;
1258 viafb_LCD2_ON = STATE_OFF;
1259 viafb_DeviceStatus = None_Device;
1261 if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1262 viafb_CRT_ON = STATE_ON;
1264 viafb_DeviceStatus |= CRT_Device;
1267 if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1268 viafb_DVI_ON = STATE_ON;
1270 viafb_DeviceStatus |= DVI_Device;
1273 if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1274 viafb_LCD_ON = STATE_ON;
1276 viafb_DeviceStatus |= LCD_Device;
1279 if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1280 viafb_LCD2_ON = STATE_ON;
1282 viafb_DeviceStatus |= LCD2_Device;
1285 if (viafb_DeviceStatus == None_Device) {
1286 /* Use CRT as default active device: */
1287 viafb_CRT_ON = STATE_ON;
1288 viafb_DeviceStatus = CRT_Device;
1290 DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1293 static void viafb_set_device(struct device_t active_dev)
1295 /* Check available device to enable: */
1296 int device_id = None_Device;
1298 device_id |= CRT_Device;
1300 device_id |= DVI_Device;
1302 device_id |= LCD_Device;
1304 check_available_device_to_enable(device_id);
1306 /* Check property of LCD: */
1308 if (active_dev.lcd_dsp_cent) {
1309 viaparinfo->lvds_setting_info->display_method =
1310 viafb_lcd_dsp_method = LCD_CENTERING;
1312 viaparinfo->lvds_setting_info->display_method =
1313 viafb_lcd_dsp_method = LCD_EXPANDSION;
1316 if (active_dev.lcd_mode == LCD_SPWG) {
1317 viaparinfo->lvds_setting_info->lcd_mode =
1318 viafb_lcd_mode = LCD_SPWG;
1320 viaparinfo->lvds_setting_info->lcd_mode =
1321 viafb_lcd_mode = LCD_OPENLDI;
1324 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1325 viafb_lcd_panel_id = active_dev.lcd_panel_id;
1326 viafb_init_lcd_size();
1330 /* Check property of mode: */
1331 if (!active_dev.xres1)
1332 viafb_second_xres = 640;
1334 viafb_second_xres = active_dev.xres1;
1335 if (!active_dev.yres1)
1336 viafb_second_yres = 480;
1338 viafb_second_yres = active_dev.yres1;
1339 if (active_dev.bpp != 0)
1340 viafb_bpp = active_dev.bpp;
1341 if (active_dev.bpp1 != 0)
1342 viafb_bpp1 = active_dev.bpp1;
1343 if (active_dev.refresh != 0)
1344 viafb_refresh = active_dev.refresh;
1345 if (active_dev.refresh1 != 0)
1346 viafb_refresh1 = active_dev.refresh1;
1347 if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1348 viafb_SAMM_ON = active_dev.samm;
1349 viafb_primary_dev = active_dev.primary_dev;
1351 viafb_set_primary_address(0);
1352 viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1353 viafb_set_iga_path();
1356 static void viafb_set_video_device(u32 video_dev_info)
1358 viaparinfo->video_on_crt = STATE_OFF;
1359 viaparinfo->video_on_dvi = STATE_OFF;
1360 viaparinfo->video_on_lcd = STATE_OFF;
1362 /* Check available device to enable: */
1363 if ((video_dev_info & CRT_Device) == CRT_Device)
1364 viaparinfo->video_on_crt = STATE_ON;
1365 else if ((video_dev_info & DVI_Device) == DVI_Device)
1366 viaparinfo->video_on_dvi = STATE_ON;
1367 else if ((video_dev_info & LCD_Device) == LCD_Device)
1368 viaparinfo->video_on_lcd = STATE_ON;
1371 static void viafb_get_video_device(u32 *video_dev_info)
1373 *video_dev_info = None_Device;
1374 if (viaparinfo->video_on_crt == STATE_ON)
1375 *video_dev_info |= CRT_Device;
1376 else if (viaparinfo->video_on_dvi == STATE_ON)
1377 *video_dev_info |= DVI_Device;
1378 else if (viaparinfo->video_on_lcd == STATE_ON)
1379 *video_dev_info |= LCD_Device;
1382 static int get_primary_device(void)
1384 int primary_device = 0;
1385 /* Rule: device on iga1 path are the primary device. */
1386 if (viafb_SAMM_ON) {
1388 if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1389 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1391 crt_setting_info->iga_path);
1392 primary_device = CRT_Device;
1396 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1397 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1399 tmds_setting_info->iga_path);
1400 primary_device = DVI_Device;
1404 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1405 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1407 lvds_setting_info->iga_path);
1408 primary_device = LCD_Device;
1411 if (viafb_LCD2_ON) {
1412 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1413 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1415 lvds_setting_info2->iga_path);
1416 primary_device = LCD2_Device;
1420 return primary_device;
1423 static u8 is_duoview(void)
1425 if (0 == viafb_SAMM_ON) {
1426 if (viafb_LCD_ON + viafb_LCD2_ON +
1427 viafb_DVI_ON + viafb_CRT_ON == 2)
1435 static void apply_second_mode_setting(struct fb_var_screeninfo
1438 u32 htotal, vtotal, long_refresh;
1440 htotal = sec_var->xres + sec_var->left_margin +
1441 sec_var->right_margin + sec_var->hsync_len;
1442 vtotal = sec_var->yres + sec_var->upper_margin +
1443 sec_var->lower_margin + sec_var->vsync_len;
1444 if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1445 /*Is 32 bytes alignment? */
1446 /*32 pixel alignment */
1447 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1450 htotal = sec_var->xres + sec_var->left_margin +
1451 sec_var->right_margin + sec_var->hsync_len;
1452 vtotal = sec_var->yres + sec_var->upper_margin +
1453 sec_var->lower_margin + sec_var->vsync_len;
1454 long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1455 long_refresh /= (htotal * vtotal);
1457 viafb_second_xres = sec_var->xres;
1458 viafb_second_yres = sec_var->yres;
1459 viafb_second_virtual_xres = sec_var->xres_virtual;
1460 viafb_second_virtual_yres = sec_var->yres_virtual;
1461 viafb_bpp1 = sec_var->bits_per_pixel;
1462 viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1466 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1467 struct fb_info *info)
1469 int need_set_mode = 0;
1470 DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1472 if (setting_info.device_flag) {
1474 check_available_device_to_enable(setting_info.device_status);
1477 /* Unlock LCD's operation according to LCD flag
1478 and check if the setting value is valid. */
1479 /* If the value is valid, apply the new setting value to the device. */
1481 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1483 if (setting_info.lcd_attributes.display_center) {
1485 viaparinfo->lvds_setting_info->display_method =
1487 viafb_lcd_dsp_method = LCD_CENTERING;
1488 viaparinfo->lvds_setting_info2->display_method =
1489 viafb_lcd_dsp_method = LCD_CENTERING;
1492 viaparinfo->lvds_setting_info->display_method =
1494 viafb_lcd_dsp_method = LCD_EXPANDSION;
1495 viaparinfo->lvds_setting_info2->display_method =
1497 viafb_lcd_dsp_method = LCD_EXPANDSION;
1501 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1503 if (setting_info.lcd_attributes.lcd_mode ==
1505 viaparinfo->lvds_setting_info->lcd_mode =
1506 viafb_lcd_mode = LCD_SPWG;
1508 viaparinfo->lvds_setting_info->lcd_mode =
1509 viafb_lcd_mode = LCD_OPENLDI;
1511 viaparinfo->lvds_setting_info2->lcd_mode =
1512 viaparinfo->lvds_setting_info->lcd_mode;
1515 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1517 if (setting_info.lcd_attributes.panel_id <=
1518 LCD_PANEL_ID_MAXIMUM) {
1519 viafb_lcd_panel_id =
1520 setting_info.lcd_attributes.panel_id;
1521 viafb_init_lcd_size();
1526 if (0 != (setting_info.samm_status & OP_SAMM)) {
1527 setting_info.samm_status =
1528 setting_info.samm_status & (~OP_SAMM);
1529 if (setting_info.samm_status == 0
1530 || setting_info.samm_status == 1) {
1531 viafb_SAMM_ON = setting_info.samm_status;
1534 viafb_primary_dev = setting_info.primary_device;
1536 viafb_set_primary_address(0);
1537 viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1538 viafb_set_iga_path();
1543 viaparinfo->duoview = is_duoview();
1545 if (!need_set_mode) {
1548 viafb_set_iga_path();
1549 viafb_set_par(info);
1554 static void retrieve_device_setting(struct viafb_ioctl_setting
1558 /* get device status */
1559 if (viafb_CRT_ON == 1)
1560 setting_info->device_status = CRT_Device;
1561 if (viafb_DVI_ON == 1)
1562 setting_info->device_status |= DVI_Device;
1563 if (viafb_LCD_ON == 1)
1564 setting_info->device_status |= LCD_Device;
1565 if (viafb_LCD2_ON == 1)
1566 setting_info->device_status |= LCD2_Device;
1567 if ((viaparinfo->video_on_crt == 1) && (viafb_CRT_ON == 1)) {
1568 setting_info->video_device_status =
1569 viaparinfo->crt_setting_info->iga_path;
1570 } else if ((viaparinfo->video_on_dvi == 1) && (viafb_DVI_ON == 1)) {
1571 setting_info->video_device_status =
1572 viaparinfo->tmds_setting_info->iga_path;
1573 } else if ((viaparinfo->video_on_lcd == 1) && (viafb_LCD_ON == 1)) {
1574 setting_info->video_device_status =
1575 viaparinfo->lvds_setting_info->iga_path;
1577 setting_info->video_device_status = 0;
1580 setting_info->samm_status = viafb_SAMM_ON;
1581 setting_info->primary_device = get_primary_device();
1583 setting_info->first_dev_bpp = viafb_bpp;
1584 setting_info->second_dev_bpp = viafb_bpp1;
1586 setting_info->first_dev_refresh = viafb_refresh;
1587 setting_info->second_dev_refresh = viafb_refresh1;
1589 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1590 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1591 setting_info->second_dev_hor_res = viafb_second_xres;
1592 setting_info->second_dev_ver_res = viafb_second_yres;
1594 /* Get lcd attributes */
1595 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1596 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1597 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1600 static void parse_active_dev(void)
1602 viafb_CRT_ON = STATE_OFF;
1603 viafb_DVI_ON = STATE_OFF;
1604 viafb_LCD_ON = STATE_OFF;
1605 viafb_LCD2_ON = STATE_OFF;
1606 /* 1. Modify the active status of devices. */
1607 /* 2. Keep the order of devices, so we can set corresponding
1608 IGA path to devices in SAMM case. */
1609 /* Note: The previous of active_dev is primary device,
1610 and the following is secondary device. */
1611 if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
1613 viafb_CRT_ON = STATE_ON;
1614 viafb_DVI_ON = STATE_ON;
1615 viafb_primary_dev = CRT_Device;
1616 } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
1618 viafb_CRT_ON = STATE_ON;
1619 viafb_DVI_ON = STATE_ON;
1620 viafb_primary_dev = DVI_Device;
1621 } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
1623 viafb_CRT_ON = STATE_ON;
1624 viafb_LCD_ON = STATE_ON;
1625 viafb_primary_dev = CRT_Device;
1626 } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
1628 viafb_CRT_ON = STATE_ON;
1629 viafb_LCD_ON = STATE_ON;
1630 viafb_primary_dev = LCD_Device;
1631 } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
1633 viafb_DVI_ON = STATE_ON;
1634 viafb_LCD_ON = STATE_ON;
1635 viafb_primary_dev = DVI_Device;
1636 } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
1638 viafb_DVI_ON = STATE_ON;
1639 viafb_LCD_ON = STATE_ON;
1640 viafb_primary_dev = LCD_Device;
1641 } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
1642 viafb_LCD_ON = STATE_ON;
1643 viafb_LCD2_ON = STATE_ON;
1644 viafb_primary_dev = LCD_Device;
1645 } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
1646 viafb_LCD_ON = STATE_ON;
1647 viafb_LCD2_ON = STATE_ON;
1648 viafb_primary_dev = LCD2_Device;
1649 } else if (!strncmp(viafb_active_dev, "CRT", 3)) {
1651 viafb_CRT_ON = STATE_ON;
1652 viafb_SAMM_ON = STATE_OFF;
1653 } else if (!strncmp(viafb_active_dev, "DVI", 3)) {
1655 viafb_DVI_ON = STATE_ON;
1656 viafb_SAMM_ON = STATE_OFF;
1657 } else if (!strncmp(viafb_active_dev, "LCD", 3)) {
1659 viafb_LCD_ON = STATE_ON;
1660 viafb_SAMM_ON = STATE_OFF;
1662 viafb_CRT_ON = STATE_ON;
1663 viafb_SAMM_ON = STATE_OFF;
1665 viaparinfo->duoview = is_duoview();
1668 static void parse_video_dev(void)
1670 viaparinfo->video_on_crt = STATE_OFF;
1671 viaparinfo->video_on_dvi = STATE_OFF;
1672 viaparinfo->video_on_lcd = STATE_OFF;
1674 if (!strncmp(viafb_video_dev, "CRT", 3)) {
1676 viaparinfo->video_on_crt = STATE_ON;
1677 } else if (!strncmp(viafb_video_dev, "DVI", 3)) {
1679 viaparinfo->video_on_dvi = STATE_ON;
1680 } else if (!strncmp(viafb_video_dev, "LCD", 3)) {
1682 viaparinfo->video_on_lcd = STATE_ON;
1686 static int parse_port(char *opt_str, int *output_interface)
1688 if (!strncmp(opt_str, "DVP0", 4))
1689 *output_interface = INTERFACE_DVP0;
1690 else if (!strncmp(opt_str, "DVP1", 4))
1691 *output_interface = INTERFACE_DVP1;
1692 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1693 *output_interface = INTERFACE_DFP;
1694 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1695 *output_interface = INTERFACE_DFP_HIGH;
1696 else if (!strncmp(opt_str, "DFP_LOW", 7))
1697 *output_interface = INTERFACE_DFP_LOW;
1699 *output_interface = INTERFACE_NONE;
1703 static void parse_lcd_port(void)
1705 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1707 /*Initialize to avoid unexpected behavior */
1708 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1711 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1712 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1716 static void parse_dvi_port(void)
1718 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1721 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1722 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1727 * The proc filesystem read/write function, a simple proc implement to
1728 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1729 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1730 * CR9B, SR65, CR97, CR99
1732 static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset,
1733 int count, int *eof, void *data)
1736 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1738 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1739 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1741 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1742 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1743 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1745 sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1746 *eof = 1; /*Inform kernel end of data */
1749 static int viafb_dvp0_proc_write(struct file *file,
1750 const char __user *buffer, unsigned long count, void *data)
1752 char buf[20], *value, *pbuf;
1754 unsigned long length, i;
1757 length = count > 20 ? 20 : count;
1758 if (copy_from_user(&buf[0], buffer, length))
1760 buf[length - 1] = '\0'; /*Ensure end string */
1762 for (i = 0; i < 3; i++) {
1763 value = strsep(&pbuf, " ");
1764 if (value != NULL) {
1765 strict_strtoul(value, 0, (unsigned long *)®_val);
1766 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1770 viafb_write_reg_mask(CR96, VIACR,
1774 viafb_write_reg_mask(SR2A, VIASR,
1775 reg_val << 4, BIT5);
1776 viafb_write_reg_mask(SR1B, VIASR,
1777 reg_val << 1, BIT1);
1780 viafb_write_reg_mask(SR2A, VIASR,
1781 reg_val << 3, BIT4);
1782 viafb_write_reg_mask(SR1E, VIASR,
1783 reg_val << 2, BIT2);
1794 static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset,
1795 int count, int *eof, void *data)
1798 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1799 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1800 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1801 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1803 sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1804 *eof = 1; /*Inform kernel end of data */
1807 static int viafb_dvp1_proc_write(struct file *file,
1808 const char __user *buffer, unsigned long count, void *data)
1810 char buf[20], *value, *pbuf;
1812 unsigned long length, i;
1815 length = count > 20 ? 20 : count;
1816 if (copy_from_user(&buf[0], buffer, length))
1818 buf[length - 1] = '\0'; /*Ensure end string */
1820 for (i = 0; i < 3; i++) {
1821 value = strsep(&pbuf, " ");
1822 if (value != NULL) {
1823 strict_strtoul(value, 0, (unsigned long *)®_val);
1826 viafb_write_reg_mask(CR9B, VIACR,
1830 viafb_write_reg_mask(SR65, VIASR,
1831 reg_val << 2, 0x0c);
1834 viafb_write_reg_mask(SR65, VIASR,
1847 static int viafb_dfph_proc_read(char *buf, char **start, off_t offset,
1848 int count, int *eof, void *data)
1852 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1853 len += sprintf(buf + len, "%x\n", dfp_high);
1854 *eof = 1; /*Inform kernel end of data */
1857 static int viafb_dfph_proc_write(struct file *file,
1858 const char __user *buffer, unsigned long count, void *data)
1862 unsigned long length;
1865 length = count > 20 ? 20 : count;
1866 if (copy_from_user(&buf[0], buffer, length))
1868 buf[length - 1] = '\0'; /*Ensure end string */
1869 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1870 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1873 static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset,
1874 int count, int *eof, void *data)
1878 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1879 len += sprintf(buf + len, "%x\n", dfp_low);
1880 *eof = 1; /*Inform kernel end of data */
1883 static int viafb_dfpl_proc_write(struct file *file,
1884 const char __user *buffer, unsigned long count, void *data)
1888 unsigned long length;
1891 length = count > 20 ? 20 : count;
1892 if (copy_from_user(&buf[0], buffer, length))
1894 buf[length - 1] = '\0'; /*Ensure end string */
1895 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1896 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1899 static int viafb_vt1636_proc_read(char *buf, char **start,
1900 off_t offset, int count, int *eof, void *data)
1903 u8 vt1636_08 = 0, vt1636_09 = 0;
1904 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1907 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1908 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1910 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1911 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1912 len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09);
1917 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1920 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1921 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1923 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1924 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1925 len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09);
1930 *eof = 1; /*Inform kernel end of data */
1933 static int viafb_vt1636_proc_write(struct file *file,
1934 const char __user *buffer, unsigned long count, void *data)
1936 char buf[30], *value, *pbuf;
1937 struct IODATA reg_val;
1938 unsigned long length, i;
1941 length = count > 30 ? 30 : count;
1942 if (copy_from_user(&buf[0], buffer, length))
1944 buf[length - 1] = '\0'; /*Ensure end string */
1946 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1948 for (i = 0; i < 2; i++) {
1949 value = strsep(&pbuf, " ");
1950 if (value != NULL) {
1951 strict_strtoul(value, 0,
1952 (unsigned long *)®_val.Data);
1955 reg_val.Index = 0x08;
1956 reg_val.Mask = 0x0f;
1957 viafb_gpio_i2c_write_mask_lvds
1958 (viaparinfo->lvds_setting_info,
1960 chip_info->lvds_chip_info,
1964 reg_val.Index = 0x09;
1965 reg_val.Mask = 0x1f;
1966 viafb_gpio_i2c_write_mask_lvds
1967 (viaparinfo->lvds_setting_info,
1969 chip_info->lvds_chip_info,
1983 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1985 for (i = 0; i < 2; i++) {
1986 value = strsep(&pbuf, " ");
1987 if (value != NULL) {
1988 strict_strtoul(value, 0,
1989 (unsigned long *)®_val.Data);
1992 reg_val.Index = 0x08;
1993 reg_val.Mask = 0x0f;
1994 viafb_gpio_i2c_write_mask_lvds
1995 (viaparinfo->lvds_setting_info2,
1997 chip_info->lvds_chip_info2,
2001 reg_val.Index = 0x09;
2002 reg_val.Mask = 0x1f;
2003 viafb_gpio_i2c_write_mask_lvds
2004 (viaparinfo->lvds_setting_info2,
2006 chip_info->lvds_chip_info2,
2023 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
2025 struct proc_dir_entry *entry;
2026 *viafb_entry = proc_mkdir("viafb", NULL);
2028 entry = create_proc_entry("dvp0", 0, *viafb_entry);
2030 entry->read_proc = viafb_dvp0_proc_read;
2031 entry->write_proc = viafb_dvp0_proc_write;
2033 entry = create_proc_entry("dvp1", 0, *viafb_entry);
2035 entry->read_proc = viafb_dvp1_proc_read;
2036 entry->write_proc = viafb_dvp1_proc_write;
2038 entry = create_proc_entry("dfph", 0, *viafb_entry);
2040 entry->read_proc = viafb_dfph_proc_read;
2041 entry->write_proc = viafb_dfph_proc_write;
2043 entry = create_proc_entry("dfpl", 0, *viafb_entry);
2045 entry->read_proc = viafb_dfpl_proc_read;
2046 entry->write_proc = viafb_dfpl_proc_write;
2048 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
2049 lvds_chip_name || VT1636_LVDS ==
2050 viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
2051 entry = create_proc_entry("vt1636", 0, *viafb_entry);
2053 entry->read_proc = viafb_vt1636_proc_read;
2054 entry->write_proc = viafb_vt1636_proc_write;
2060 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
2062 /* no problem if it was not registered */
2063 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
2064 remove_proc_entry("dvp1", viafb_entry);
2065 remove_proc_entry("dfph", viafb_entry);
2066 remove_proc_entry("dfpl", viafb_entry);
2067 remove_proc_entry("vt1636", viafb_entry);
2068 remove_proc_entry("vt1625", viafb_entry);
2069 remove_proc_entry("viafb", NULL);
2072 static int __devinit via_pci_probe(void)
2074 unsigned long default_xres, default_yres;
2076 char *tmpc_sec, *tmpm_sec;
2078 u32 tmds_length, lvds_length, crt_length, chip_length, viafb_par_length;
2080 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
2082 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
2083 tmds_length = ALIGN(sizeof(struct tmds_setting_information),
2085 lvds_length = ALIGN(sizeof(struct lvds_setting_information),
2087 crt_length = ALIGN(sizeof(struct lvds_setting_information),
2089 chip_length = ALIGN(sizeof(struct chip_information), BITS_PER_LONG/8);
2091 /* Allocate fb_info and ***_par here, also including some other needed
2094 viafbinfo = framebuffer_alloc(viafb_par_length + 2 * lvds_length +
2095 tmds_length + crt_length + chip_length, NULL);
2097 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
2101 viaparinfo = (struct viafb_par *)viafbinfo->par;
2102 viaparinfo->tmds_setting_info = (struct tmds_setting_information *)
2103 ((unsigned long)viaparinfo + viafb_par_length);
2104 viaparinfo->lvds_setting_info = (struct lvds_setting_information *)
2105 ((unsigned long)viaparinfo->tmds_setting_info + tmds_length);
2106 viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *)
2107 ((unsigned long)viaparinfo->lvds_setting_info + lvds_length);
2108 viaparinfo->crt_setting_info = (struct crt_setting_information *)
2109 ((unsigned long)viaparinfo->lvds_setting_info2 + lvds_length);
2110 viaparinfo->chip_info = (struct chip_information *)
2111 ((unsigned long)viaparinfo->crt_setting_info + crt_length);
2120 /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
2124 /* Set up I2C bus stuff */
2125 viafb_create_i2c_bus(viaparinfo);
2127 viafb_init_chip_info();
2128 viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize);
2129 viaparinfo->fbmem_free = viaparinfo->memsize;
2130 viaparinfo->fbmem_used = 0;
2131 viaparinfo->fbmem_virt = ioremap_nocache(viaparinfo->fbmem,
2132 viaparinfo->memsize);
2133 viafbinfo->screen_base = (char *)viaparinfo->fbmem_virt;
2135 if (!viaparinfo->fbmem_virt) {
2136 printk(KERN_INFO "ioremap failed\n");
2140 viafb_get_mmio_info(&viaparinfo->mmio_base, &viaparinfo->mmio_len);
2141 viaparinfo->io_virt = ioremap_nocache(viaparinfo->mmio_base,
2142 viaparinfo->mmio_len);
2143 if (!viaparinfo->io_virt) {
2144 printk(KERN_WARNING "ioremap failed: hardware acceleration disabled\n");
2148 viafbinfo->node = 0;
2149 viafbinfo->fbops = &viafb_ops;
2150 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
2152 viafbinfo->pseudo_palette = pseudo_pal;
2155 viafb_init_2d_engine();
2156 viafb_hw_cursor_init();
2159 if (viafb_second_size && (viafb_second_size < 8)) {
2160 viafb_second_offset = viaparinfo->fbmem_free -
2161 viafb_second_size * 1024 * 1024;
2163 viafb_second_size = 8;
2164 viafb_second_offset = viaparinfo->fbmem_free -
2165 viafb_second_size * 1024 * 1024;
2168 viafb_FB_MM = viaparinfo->fbmem_virt;
2170 tmpc = strsep(&tmpm, "x");
2171 strict_strtoul(tmpc, 0, &default_xres);
2172 strict_strtoul(tmpm, 0, &default_yres);
2174 vmode_index = viafb_get_mode_index(default_xres, default_yres);
2175 DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
2177 if (viafb_SAMM_ON == 1) {
2178 if (strcmp(viafb_mode, viafb_mode1)) {
2179 tmpm_sec = viafb_mode1;
2180 tmpc_sec = strsep(&tmpm_sec, "x");
2181 strict_strtoul(tmpc_sec, 0,
2182 (unsigned long *)&viafb_second_xres);
2183 strict_strtoul(tmpm_sec, 0,
2184 (unsigned long *)&viafb_second_yres);
2186 viafb_second_xres = default_xres;
2187 viafb_second_yres = default_yres;
2189 if (0 == viafb_second_virtual_xres) {
2190 switch (viafb_second_xres) {
2192 viafb_second_virtual_xres = 1408;
2195 viafb_second_virtual_xres = viafb_second_xres;
2199 if (0 == viafb_second_virtual_yres)
2200 viafb_second_virtual_yres = viafb_second_yres;
2203 switch (viafb_bpp) {
2216 default_var.xres = default_xres;
2217 default_var.yres = default_yres;
2218 switch (default_xres) {
2220 default_var.xres_virtual = 1408;
2223 default_var.xres_virtual = default_xres;
2226 default_var.yres_virtual = default_yres;
2227 default_var.bits_per_pixel = viafb_bpp;
2228 if (default_var.bits_per_pixel == 15)
2229 default_var.bits_per_pixel = 16;
2230 default_var.pixclock =
2231 viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
2232 default_var.left_margin = (default_xres >> 3) & 0xf8;
2233 default_var.right_margin = 32;
2234 default_var.upper_margin = 16;
2235 default_var.lower_margin = 4;
2236 default_var.hsync_len = default_var.left_margin;
2237 default_var.vsync_len = 4;
2238 default_var.accel_flags = 0;
2242 (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
2243 FBINFO_HWACCEL_IMAGEBLIT);
2244 default_var.accel_flags |= FB_ACCELF_TEXT;
2246 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
2248 if (viafb_dual_fb) {
2249 viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL);
2252 "allocate the second framebuffer struct error\n");
2253 framebuffer_release(viafbinfo);
2256 viaparinfo1 = viafbinfo1->par;
2257 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
2258 viaparinfo1->memsize = viaparinfo->memsize -
2259 viafb_second_offset;
2260 viaparinfo->memsize = viafb_second_offset;
2261 viaparinfo1->fbmem_virt = viaparinfo->fbmem_virt +
2262 viafb_second_offset;
2263 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
2265 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
2266 viaparinfo1->fbmem_free = viaparinfo1->memsize -
2267 viaparinfo1->fbmem_used;
2268 viaparinfo->fbmem_free = viaparinfo->memsize;
2269 viaparinfo->fbmem_used = 0;
2271 viaparinfo1->cursor_start =
2272 viaparinfo->cursor_start - viafb_second_offset;
2273 viaparinfo1->VQ_start = viaparinfo->VQ_start -
2274 viafb_second_offset;
2275 viaparinfo1->VQ_end = viaparinfo->VQ_end -
2276 viafb_second_offset;
2279 viaparinfo->iga_path = IGA1;
2280 viaparinfo1->iga_path = IGA2;
2281 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2282 viafbinfo1->screen_base = viafbinfo->screen_base +
2283 viafb_second_offset;
2284 viafbinfo1->fix.smem_start = viaparinfo1->fbmem;
2285 viafbinfo1->fix.smem_len = viaparinfo1->fbmem_free;
2287 default_var.xres = viafb_second_xres;
2288 default_var.yres = viafb_second_yres;
2289 default_var.xres_virtual = viafb_second_virtual_xres;
2290 default_var.yres_virtual = viafb_second_virtual_yres;
2291 if (viafb_bpp1 != viafb_bpp)
2292 viafb_bpp1 = viafb_bpp;
2293 default_var.bits_per_pixel = viafb_bpp1;
2294 default_var.pixclock =
2295 viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2297 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2298 default_var.right_margin = 32;
2299 default_var.upper_margin = 16;
2300 default_var.lower_margin = 4;
2301 default_var.hsync_len = default_var.left_margin;
2302 default_var.vsync_len = 4;
2304 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2305 viafb_check_var(&default_var, viafbinfo1);
2306 viafbinfo1->var = default_var;
2307 viafb_update_fix(viafbinfo1);
2310 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2311 viafb_check_var(&default_var, viafbinfo);
2312 viafbinfo->var = default_var;
2313 viafb_update_fix(viafbinfo);
2314 default_var.activate = FB_ACTIVATE_NOW;
2315 fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2317 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2318 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2319 if (register_framebuffer(viafbinfo1) < 0)
2322 if (register_framebuffer(viafbinfo) < 0)
2325 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2326 || (viaparinfo->chip_info->gfx_chip_name !=
2327 UNICHROME_CLE266))) {
2328 if (register_framebuffer(viafbinfo1) < 0)
2331 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2332 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2333 default_var.yres, default_var.bits_per_pixel);
2335 viafb_init_proc(&viaparinfo->proc_entry);
2336 viafb_init_dac(IGA2);
2340 static void __devexit via_pci_remove(void)
2342 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2343 fb_dealloc_cmap(&viafbinfo->cmap);
2344 unregister_framebuffer(viafbinfo);
2346 unregister_framebuffer(viafbinfo1);
2347 iounmap((void *)viaparinfo->fbmem_virt);
2348 iounmap(viaparinfo->io_virt);
2350 viafb_delete_i2c_buss(viaparinfo);
2352 framebuffer_release(viafbinfo);
2354 framebuffer_release(viafbinfo1);
2356 viafb_remove_proc(viaparinfo->proc_entry);
2360 static int __init viafb_setup(char *options)
2363 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2365 if (!options || !*options)
2368 while ((this_opt = strsep(&options, ",")) != NULL) {
2372 if (!strncmp(this_opt, "viafb_mode1=", 12))
2373 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2374 else if (!strncmp(this_opt, "viafb_mode=", 11))
2375 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2376 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2377 strict_strtoul(this_opt + 11, 0,
2378 (unsigned long *)&viafb_bpp1);
2379 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2380 strict_strtoul(this_opt + 10, 0,
2381 (unsigned long *)&viafb_bpp);
2382 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2383 strict_strtoul(this_opt + 15, 0,
2384 (unsigned long *)&viafb_refresh1);
2385 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2386 strict_strtoul(this_opt + 14, 0,
2387 (unsigned long *)&viafb_refresh);
2388 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2389 strict_strtoul(this_opt + 21, 0,
2390 (unsigned long *)&viafb_lcd_dsp_method);
2391 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2392 strict_strtoul(this_opt + 19, 0,
2393 (unsigned long *)&viafb_lcd_panel_id);
2394 else if (!strncmp(this_opt, "viafb_accel=", 12))
2395 strict_strtoul(this_opt + 12, 0,
2396 (unsigned long *)&viafb_accel);
2397 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2398 strict_strtoul(this_opt + 14, 0,
2399 (unsigned long *)&viafb_SAMM_ON);
2400 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2401 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2402 else if (!strncmp(this_opt,
2403 "viafb_display_hardware_layout=", 30))
2404 strict_strtoul(this_opt + 30, 0,
2405 (unsigned long *)&viafb_display_hardware_layout);
2406 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2407 strict_strtoul(this_opt + 18, 0,
2408 (unsigned long *)&viafb_second_size);
2409 else if (!strncmp(this_opt,
2410 "viafb_platform_epia_dvi=", 24))
2411 strict_strtoul(this_opt + 24, 0,
2412 (unsigned long *)&viafb_platform_epia_dvi);
2413 else if (!strncmp(this_opt,
2414 "viafb_device_lcd_dualedge=", 26))
2415 strict_strtoul(this_opt + 26, 0,
2416 (unsigned long *)&viafb_device_lcd_dualedge);
2417 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2418 strict_strtoul(this_opt + 16, 0,
2419 (unsigned long *)&viafb_bus_width);
2420 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2421 strict_strtoul(this_opt + 15, 0,
2422 (unsigned long *)&viafb_lcd_mode);
2423 else if (!strncmp(this_opt, "viafb_video_dev=", 16))
2424 viafb_video_dev = kstrdup(this_opt + 16, GFP_KERNEL);
2425 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2426 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2427 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2428 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2434 static int __init viafb_init(void)
2437 char *option = NULL;
2438 if (fb_get_options("viafb", &option))
2440 viafb_setup(option);
2443 "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2444 VERSION_MAJOR, VERSION_MINOR);
2445 return via_pci_probe();
2448 static void __exit viafb_exit(void)
2450 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2454 static struct fb_ops viafb_ops = {
2455 .owner = THIS_MODULE,
2456 .fb_open = viafb_open,
2457 .fb_release = viafb_release,
2458 .fb_check_var = viafb_check_var,
2459 .fb_set_par = viafb_set_par,
2460 .fb_setcolreg = viafb_setcolreg,
2461 .fb_pan_display = viafb_pan_display,
2462 .fb_blank = viafb_blank,
2463 .fb_fillrect = viafb_fillrect,
2464 .fb_copyarea = viafb_copyarea,
2465 .fb_imageblit = viafb_imageblit,
2466 .fb_cursor = viafb_cursor,
2467 .fb_ioctl = viafb_ioctl,
2468 .fb_sync = viafb_sync,
2469 .fb_setcmap = viafb_setcmap,
2472 module_init(viafb_init);
2473 module_exit(viafb_exit);
2476 module_param(viafb_memsize, int, 0);
2478 module_param(viafb_mode, charp, 0);
2479 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2481 module_param(viafb_mode1, charp, 0);
2482 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2484 module_param(viafb_bpp, int, 0);
2485 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2487 module_param(viafb_bpp1, int, 0);
2488 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2490 module_param(viafb_refresh, int, 0);
2491 MODULE_PARM_DESC(viafb_refresh,
2492 "Set CRT viafb_refresh rate (default = 60)");
2494 module_param(viafb_refresh1, int, 0);
2495 MODULE_PARM_DESC(viafb_refresh1,
2496 "Set CRT refresh rate (default = 60)");
2498 module_param(viafb_lcd_panel_id, int, 0);
2499 MODULE_PARM_DESC(viafb_lcd_panel_id,
2500 "Set Flat Panel type(Default=1024x768)");
2502 module_param(viafb_lcd_dsp_method, int, 0);
2503 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2504 "Set Flat Panel display scaling method.(Default=Expandsion)");
2506 module_param(viafb_SAMM_ON, int, 0);
2507 MODULE_PARM_DESC(viafb_SAMM_ON,
2508 "Turn on/off flag of SAMM(Default=OFF)");
2510 module_param(viafb_accel, int, 0);
2511 MODULE_PARM_DESC(viafb_accel,
2512 "Set 2D Hardware Acceleration.(Default = OFF)");
2514 module_param(viafb_active_dev, charp, 0);
2515 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2517 module_param(viafb_display_hardware_layout, int, 0);
2518 MODULE_PARM_DESC(viafb_display_hardware_layout,
2519 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2521 module_param(viafb_second_size, int, 0);
2522 MODULE_PARM_DESC(viafb_second_size,
2523 "Set secondary device memory size");
2525 module_param(viafb_dual_fb, int, 0);
2526 MODULE_PARM_DESC(viafb_dual_fb,
2527 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2529 module_param(viafb_platform_epia_dvi, int, 0);
2530 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2531 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2533 module_param(viafb_device_lcd_dualedge, int, 0);
2534 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2535 "Turn on/off flag of dual edge panel.(Default = OFF)");
2537 module_param(viafb_bus_width, int, 0);
2538 MODULE_PARM_DESC(viafb_bus_width,
2539 "Set bus width of panel.(Default = 12)");
2541 module_param(viafb_lcd_mode, int, 0);
2542 MODULE_PARM_DESC(viafb_lcd_mode,
2543 "Set Flat Panel mode(Default=OPENLDI)");
2545 module_param(viafb_video_dev, charp, 0);
2546 MODULE_PARM_DESC(viafb_video_dev, "Specify video devices.");
2548 module_param(viafb_lcd_port, charp, 0);
2549 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2551 module_param(viafb_dvi_port, charp, 0);
2552 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2554 MODULE_LICENSE("GPL");