diff options
Diffstat (limited to 'drivers/video/i810/i810_dvt.c')
| -rw-r--r-- | drivers/video/i810/i810_dvt.c | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/drivers/video/i810/i810_dvt.c b/drivers/video/i810/i810_dvt.c new file mode 100644 index 000000000000..27fa703a2e0a --- /dev/null +++ b/drivers/video/i810/i810_dvt.c @@ -0,0 +1,307 @@ +/*-*- linux-c -*- + * linux/drivers/video/i810_dvt.c -- Intel 810 Discrete Video Timings (Intel) + * + * Copyright (C) 2001 Antonino Daplas<adaplas@pol.net> + * All Rights Reserved + * + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/kernel.h> + +#include "i810_regs.h" +#include "i810.h" + +struct mode_registers std_modes[] = { + /* 640x480 @ 60Hz */ + { 25000, 0x0013, 0x0003, 0x40, 0x5F, 0x4F, 0x50, 0x82, 0x51, 0x9D, + 0x0B, 0x10, 0x40, 0xE9, 0x0B, 0xDF, 0x50, 0xE7, 0x04, 0x02, + 0x01, 0x01, 0x01, 0x00, 0x01, 0x22002000, 0x22004000, 0x22006000, + 0x22002000, 0x22004000, 0x22006000, 0xC0 }, + + /* 640x480 @ 70Hz */ + { 28000, 0x0053, 0x0010, 0x40, 0x61, 0x4F, 0x4F, 0x85, 0x52, 0x9A, + 0xF2, 0x10, 0x40, 0xE0, 0x03, 0xDF, 0x50, 0xDF, 0xF3, 0x01, + 0x01, 0x01, 0x01, 0x00, 0x01, 0x22002000, 0x22004000, 0x22005000, + 0x22002000, 0x22004000, 0x22005000, 0xC0 }, + + /* 640x480 @ 72Hz */ + { 31000, 0x0013, 0x0002, 0x40, 0x63, 0x4F, 0x4F, 0x87, 0x52, 0x97, + 0x06, 0x0F, 0x40, 0xE8, 0x0B, 0xDF, 0x50, 0xDF, 0x07, 0x02, + 0x01, 0x01, 0x01, 0x00, 0x01, 0x22003000, 0x22005000, 0x22007000, + 0x22003000, 0x22005000, 0x22007000, 0xC0 }, + + /* 640x480 @ 75Hz */ + { 31000, 0x0013, 0x0002, 0x40, 0x64, 0x4F, 0x4F, 0x88, 0x51, 0x99, + 0xF2, 0x10, 0x40, 0xE0, 0x03, 0xDF, 0x50, 0xDF, 0xF3, 0x01, + 0x01, 0x01, 0x01, 0x00, 0x01, 0x22003000, 0x22005000, 0x22007000, + 0x22003000, 0x22005000, 0x22007000, 0xC0 }, + + /* 640x480 @ 85Hz */ + { 36000, 0x0010, 0x0001, 0x40, 0x63, 0x4F, 0x4F, 0x87, 0x56, 0x9D, + 0xFB, 0x10, 0x40, 0xE0, 0x03, 0xDF, 0x50, 0xDF, 0xFC, 0x01, + 0x01, 0x01, 0x01, 0x00, 0x01, 0x22003000, 0x22005000, 0x22107000, + 0x22003000, 0x22005000, 0x22107000, 0xC0 }, + + /* 800x600 @ 56Hz */ + { 36000, 0x0010, 0x0001, 0x40, 0x7B, 0x63, 0x63, 0x9F, 0x66, 0x8F, + 0x6F, 0x10, 0x40, 0x58, 0x0A, 0x57, 0xC8, 0x57, 0x70, 0x02, + 0x02, 0x02, 0x02, 0x00, 0x01, 0x22003000, 0x22005000, 0x22107000, + 0x22003000, 0x22005000, 0x22107000, 0x00 }, + + /* 800x600 @ 60Hz */ + { 40000, 0x0008, 0x0001, 0x30, 0x7F, 0x63, 0x63, 0x83, 0x68, 0x18, + 0x72, 0x10, 0x40, 0x58, 0x0C, 0x57, 0xC8, 0x57, 0x73, 0x02, + 0x02, 0x02, 0x02, 0x00, 0x00, 0x22003000, 0x22006000, 0x22108000, + 0x22003000, 0x22006000, 0x22108000, 0x00 }, + + /* 800x600 @ 70Hz */ + { 45000, 0x0054, 0x0015, 0x30, 0x7D, 0x63, 0x63, 0x81, 0x68, 0x12, + 0x6f, 0x10, 0x40, 0x58, 0x0b, 0x57, 0x64, 0x57, 0x70, 0x02, + 0x02, 0x02, 0x02, 0x00, 0x00, 0x22004000, 0x22007000, 0x2210A000, + 0x22004000, 0x22007000, 0x2210A000, 0x00 }, + + /* 800x600 @ 72Hz */ + { 50000, 0x0017, 0x0004, 0x30, 0x7D, 0x63, 0x63, 0x81, 0x6A, 0x19, + 0x98, 0x10, 0x40, 0x7C, 0x02, 0x57, 0xC8, 0x57, 0x99, 0x02, + 0x02, 0x02, 0x02, 0x00, 0x00, 0x22004000, 0x22007000, 0x2210A000, + 0x22004000, 0x22007000, 0x2210A000, 0x00 }, + + /* 800x600 @ 75Hz */ + { 49000, 0x001F, 0x0006, 0x30, 0x7F, 0x63, 0x63, 0x83, 0x65, 0x0F, + 0x6F, 0x10, 0x40, 0x58, 0x0B, 0x57, 0xC8, 0x57, 0x70, 0x02, + 0x02, 0x02, 0x02, 0x00, 0x00, 0x22004000, 0x22007000, 0x2210B000, + 0x22004000, 0x22007000, 0x2210B000, 0x00 }, + + /* 800x600 @ 85Hz */ + { 56000, 0x0049, 0x000E, 0x30, 0x7E, 0x63, 0x63, 0x82, 0x67, 0x0F, + 0x75, 0x10, 0x40, 0x58, 0x0B, 0x57, 0xC8, 0x57, 0x76, 0x02, + 0x02, 0x02, 0x02, 0x00, 0x00, 0x22004000, 0x22108000, 0x2210b000, + 0x22004000, 0x22108000, 0x2210b000, 0x00 }, + + /* 1024x768 @ 60Hz */ + { 65000, 0x003F, 0x000A, 0x30, 0xA3, 0x7F, 0x7F, 0x87, 0x83, 0x94, + 0x24, 0x10, 0x40, 0x02, 0x08, 0xFF, 0x80, 0xFF, 0x25, 0x03, + 0x02, 0x03, 0x02, 0x00, 0x00, 0x22005000, 0x22109000, 0x2220D000, + 0x22005000, 0x22109000, 0x2220D000, 0xC0 }, + + /* 1024x768 @ 70Hz */ + { 75000, 0x0017, 0x0002, 0x30, 0xA1, 0x7F, 0x7F, 0x85, 0x82, 0x93, + 0x24, 0x10, 0x40, 0x02, 0x08, 0xFF, 0x80, 0xFF, 0x25, 0x03, + 0x02, 0x03, 0x02, 0x00, 0x00, 0x22005000, 0x2210A000, 0x2220F000, + 0x22005000, 0x2210A000, 0x2220F000, 0xC0 }, + + /* 1024x768 @ 75Hz */ + { 78000, 0x0050, 0x0017, 0x20, 0x9F, 0x7F, 0x7F, 0x83, 0x81, 0x8D, + 0x1E, 0x10, 0x40, 0x00, 0x03, 0xFF, 0x80, 0xFF, 0x1F, 0x03, + 0x02, 0x03, 0x02, 0x00, 0x00, 0x22006000, 0x2210B000, 0x22210000, + 0x22006000, 0x2210B000, 0x22210000, 0x00 }, + + /* 1024x768 @ 85Hz */ + { 94000, 0x003D, 0x000E, 0x20, 0xA7, 0x7F, 0x7F, 0x8B, 0x85, 0x91, + 0x26, 0x10, 0x40, 0x00, 0x03, 0xFF, 0x80, 0xFF, 0x27, 0x03, + 0x02, 0x03, 0x02, 0x00, 0x00, 0x22007000, 0x2220E000, 0x22212000, + 0x22007000, 0x2220E000, 0x22212000, 0x00 }, + + /* 1152x864 @ 60Hz */ + { 80000, 0x0008, 0x0001, 0x20, 0xB3, 0x8F, 0x8F, 0x97, 0x93, 0x9f, + 0x87, 0x10, 0x40, 0x60, 0x03, 0x5F, 0x90, 0x5f, 0x88, 0x03, + 0x03, 0x03, 0x03, 0x00, 0x00, 0x2220C000, 0x22210000, 0x22415000, + 0x2220C000, 0x22210000, 0x22415000, 0x00 }, + + /* 1152x864 @ 70Hz */ + { 96000, 0x000a, 0x0001, 0x20, 0xbb, 0x8F, 0x8F, 0x9f, 0x98, 0x87, + 0x82, 0x10, 0x40, 0x60, 0x03, 0x5F, 0x90, 0x5F, 0x83, 0x03, + 0x03, 0x03, 0x03, 0x00, 0x00, 0x22107000, 0x22210000, 0x22415000, + 0x22107000, 0x22210000, 0x22415000, 0x00 }, + + /* 1152x864 @ 72Hz */ + { 99000, 0x001f, 0x0006, 0x20, 0xbb, 0x8F, 0x8F, 0x9f, 0x98, 0x87, + 0x83, 0x10, 0x40, 0x60, 0x03, 0x5F, 0x90, 0x5F, 0x84, 0x03, + 0x03, 0x03, 0x03, 0x00, 0x00, 0x22107000, 0x22210000, 0x22415000, + 0x22107000, 0x22210000, 0x22415000, 0x00 }, + + /* 1152x864 @ 75Hz */ + { 108000, 0x0010, 0x0002, 0x20, 0xC3, 0x8F, 0x8F, 0x87, 0x97, 0x07, + 0x82, 0x10, 0x40, 0x60, 0x03, 0x5F, 0x90, 0x5F, 0x83, 0x03, + 0x03, 0x03, 0x03, 0x00, 0x01, 0x22107000, 0x22210000, 0x22415000, + 0x22107000, 0x22210000, 0x22415000, 0x00 }, + + /* 1152x864 @ 85Hz */ + { 121000, 0x006D, 0x0014, 0x20, 0xc0, 0x8F, 0x8F, 0x84, 0x97, 0x07, + 0x93, 0x10, 0x40, 0x60, 0x03, 0x5F, 0x90, 0x5F, 0x94, 0x03, + 0x03, 0x03, 0x03, 0x00, 0x01, 0x2220C000, 0x22210000, 0x22415000, + 0x2220C000, 0x22210000, 0x22415000, 0x0 }, + + /* 1280x960 @ 60Hz */ + { 108000, 0x0010, 0x0002, 0x20, 0xDC, 0x9F, 0x9F, 0x80, 0xAB, 0x99, + 0xE6, 0x10, 0x40, 0xC0, 0x03, 0xBF, 0xA0, 0xBF, 0xE7, 0x03, + 0x03, 0x03, 0x03, 0x00, 0x01, 0x2210A000, 0x22210000, 0x22415000, + 0x2210A000, 0x22210000, 0x22415000, 0x00 }, + + /* 1280x960 @ 75Hz */ + { 129000, 0x0029, 0x0006, 0x20, 0xD3, 0x9F, 0x9F, 0x97, 0xaa, 0x1b, + 0xE8, 0x10, 0x40, 0xC0, 0x03, 0xBF, 0xA0, 0xBF, 0xE9, 0x03, + 0x03, 0x03, 0x03, 0x00, 0x01, 0x2210A000, 0x22210000, 0x2241B000, + 0x2210A000, 0x22210000, 0x2241B000, 0x00 }, + + /* 1280x960 @ 85Hz */ + { 148000, 0x0042, 0x0009, 0x20, 0xD3, 0x9F, 0x9F, 0x97, 0xA7, 0x1B, + 0xF1, 0x10, 0x40, 0xC0, 0x03, 0xBF, 0xA0, 0xBF, 0xF2, 0x03, + 0x03, 0x03, 0x03, 0x00, 0x01, 0x2210A000, 0x22220000, 0x2241D000, + 0x2210A000, 0x22220000, 0x2241D000, 0x00 }, + + /* 1600x1200 @ 60Hz */ + { 162000, 0x0019, 0x0006, 0x10, 0x09, 0xC7, 0xC7, 0x8D, 0xcf, 0x07, + 0xE0, 0x10, 0x40, 0xB0, 0x03, 0xAF, 0xC8, 0xAF, 0xE1, 0x04, + 0x04, 0x04, 0x04, 0x01, 0x00, 0x2210b000, 0x22416000, 0x44419000, + 0x2210b000, 0x22416000, 0x44419000, 0x00 }, + + /* 1600x1200 @ 65 Hz */ + { 175000, 0x005d, 0x0018, 0x10, 0x09, 0xC7, 0xC7, 0x8D, 0xcf, 0x07, + 0xE0, 0x10, 0x40, 0xB0, 0x03, 0xAF, 0xC8, 0xAF, 0xE1, 0x04, + 0x04, 0x04, 0x04, 0x01, 0x00, 0x2210c000, 0x22416000, 0x44419000, + 0x2210c000, 0x22416000, 0x44419000, 0x00 }, + + /* 1600x1200 @ 70 Hz */ + { 189000, 0x003D, 0x000e, 0x10, 0x09, 0xC7, 0xC7, 0x8d, 0xcf, 0x07, + 0xE0, 0x10, 0x40, 0xb0, 0x03, 0xAF, 0xC8, 0xaf, 0xE1, 0x04, + 0x04, 0x04, 0x04, 0x01, 0x00, 0x2220e000, 0x22416000, 0x44419000, + 0x2220e000, 0x22416000, 0x44419000, 0x00 }, + + /* 1600x1200 @ 72 Hz */ + { 195000, 0x003f, 0x000e, 0x10, 0x0b, 0xC7, 0xC7, 0x8f, 0xd5, 0x0b, + 0xE1, 0x10, 0x40, 0xb0, 0x03, 0xAF, 0xC8, 0xaf, 0xe2, 0x04, 0x04, + 0x04, 0x04, 0x01, 0x00, 0x2220e000, 0x22416000, 0x44419000, + 0x2220e000, 0x22416000, 0x44419000, 0x00 }, + + /* 1600x1200 @ 75 Hz */ + { 202000, 0x0024, 0x0007, 0x10, 0x09, 0xC7, 0xC7, 0x8d, 0xcf, 0x07, + 0xE0, 0x10, 0x40, 0xb0, 0x03, 0xAF, 0xC8, 0xaf, 0xE1, 0x04, 0x04, + 0x04, 0x04, 0x01, 0x00, 0x2220e000, 0x22416000, 0x44419000, + 0x2220e000, 0x22416000, 0x44419000, 0x00 }, + + /* 1600x1200 @ 85 Hz */ + { 229000, 0x0029, 0x0007, 0x10, 0x09, 0xC7, 0xC7, 0x8d, 0xcf, 0x07, + 0xE0, 0x10, 0x40, 0xb0, 0x03, 0xAF, 0xC8, 0xaf, 0xE1, 0x04, 0x04, + 0x04, 0x04, 0x01, 0x00, 0x22210000, 0x22416000, 0x0, + 0x22210000, 0x22416000, 0x0, 0x00 }, +}; + +void round_off_xres(u32 *xres) +{ + if (*xres <= 640) + *xres = 640; + else if (*xres <= 800) + *xres = 800; + else if (*xres <= 1024) + *xres = 1024; + else if (*xres <= 1152) + *xres = 1152; + else if (*xres <= 1280) + *xres = 1280; + else + *xres = 1600; +} + +inline void round_off_yres(u32 *xres, u32 *yres) +{ + *yres = (*xres * 3) >> 2; +} + +void i810fb_encode_registers(const struct fb_var_screeninfo *var, + struct i810fb_par *par, u32 xres, u32 yres) +{ + u32 diff = 0, diff_best = 0xFFFFFFFF, i = 0, i_best = 0; + u8 hfl; + + hfl = (u8) ((xres >> 3) - 1); + for (i = 0; i < ARRAY_SIZE(std_modes); i++) { + if (std_modes[i].cr01 == hfl) { + if (std_modes[i].pixclock <= par->regs.pixclock) + diff = par->regs.pixclock - + std_modes[i].pixclock; + if (diff < diff_best) { + i_best = i; + diff_best = diff; + } + } + } + par->regs = std_modes[i_best]; + + /* overlay */ + par->ovract = ((xres + var->right_margin + var->hsync_len + + var->left_margin - 32) | ((xres - 32) << 16)); +} + +void i810fb_fill_var_timings(struct fb_var_screeninfo *var) +{ + struct i810fb_par par; + u32 total, xres, yres; + + xres = var->xres; + yres = var->yres; + + par.regs.pixclock = 1000000000/var->pixclock; + i810fb_encode_registers(var, &par, xres, yres); + + total = ((par.regs.cr00 | (par.regs.cr35 & 1) << 8) + 3) << 3; + + var->pixclock = 1000000000/par.regs.pixclock; + var->right_margin = (par.regs.cr04 << 3) - xres; + var->hsync_len = ((par.regs.cr05 & 0x1F) - + (par.regs.cr04 & 0x1F)) << 3; + var->left_margin = (total - (xres + var->right_margin + + var->hsync_len)); + var->sync = FB_SYNC_ON_GREEN; + if (~(par.regs.msr & (1 << 6))) + var->sync |= FB_SYNC_HOR_HIGH_ACT; + if (~(par.regs.msr & (1 << 7))) + var->sync |= FB_SYNC_VERT_HIGH_ACT; + + + total = ((par.regs.cr06 | (par.regs.cr30 & 0x0F) << 8)) + 2; + var->lower_margin = (par.regs.cr10 | + (par.regs.cr32 & 0x0F) << 8) - yres; + var->vsync_len = (par.regs.cr11 & 0x0F) - (var->lower_margin & 0x0F); + var->upper_margin = total - (yres + var->lower_margin + + var->vsync_len); +} + +u32 i810_get_watermark(struct fb_var_screeninfo *var, + struct i810fb_par *par) +{ + struct mode_registers *params = &par->regs; + u32 wmark = 0; + + if (par->mem_freq == 100) { + switch (var->bits_per_pixel) { + case 8: + wmark = params->bpp8_100; + break; + case 16: + wmark = params->bpp16_100; + break; + case 24: + case 32: + wmark = params->bpp24_100; + } + } else { + switch (var->bits_per_pixel) { + case 8: + wmark = params->bpp8_133; + break; + case 16: + wmark = params->bpp16_133; + break; + case 24: + case 32: + wmark = params->bpp24_133; + } + } + return wmark; +} + |