diff options
Diffstat (limited to 'linux-core/radeon_combios.c')
| -rw-r--r-- | linux-core/radeon_combios.c | 192 |
1 files changed, 188 insertions, 4 deletions
diff --git a/linux-core/radeon_combios.c b/linux-core/radeon_combios.c index 1080079f..bb8d0b27 100644 --- a/linux-core/radeon_combios.c +++ b/linux-core/radeon_combios.c @@ -428,7 +428,7 @@ bool radeon_combios_get_clock_info(struct drm_device *dev) struct radeon_mode_info *mode_info = &dev_priv->mode_info; uint16_t pll_info; struct radeon_pll *pll = &mode_info->pll; - int rev; + int8_t rev; pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE); if (pll_info) { @@ -450,17 +450,153 @@ bool radeon_combios_get_clock_info(struct drm_device *dev) pll->xclk = radeon_bios16(dev_priv, pll_info + 0x08); // sclk/mclk use fixed point + //sclk = radeon_bios16(pll_info + 8) / 100.0; + //mclk = radeon_bios16(pll_info + 10) / 100.0; + //if (sclk == 0) sclk = 200; + //if (mclk == 0) mclk = 200; return true; } return false; } +bool radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_radeon_private *dev_priv = dev->dev_private; + uint16_t dac_info; + uint8_t rev, bg, dac; + + /* first check TV table */ + dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE); + if (dac_info) { + rev = radeon_bios8(dev_priv, dac_info + 0x3); + if (rev > 4) { + bg = radeon_bios8(dev_priv, dac_info + 0xc) & 0xf; + dac = radeon_bios8(dev_priv, dac_info + 0xd) & 0xf; + encoder->ps2_tvdac_adj = (bg << 16) | (dac << 20); + + bg = radeon_bios8(dev_priv, dac_info + 0xe) & 0xf; + dac = radeon_bios8(dev_priv, dac_info + 0xf) & 0xf; + encoder->pal_tvdac_adj = (bg << 16) | (dac << 20); + + bg = radeon_bios8(dev_priv, dac_info + 0x10) & 0xf; + dac = radeon_bios8(dev_priv, dac_info + 0x11) & 0xf; + encoder->ntsc_tvdac_adj = (bg << 16) | (dac << 20); + + return true; + } else if (rev > 1) { + bg = radeon_bios8(dev_priv, dac_info + 0xc) & 0xf; + dac = (radeon_bios8(dev_priv, dac_info + 0xc) >> 4) & 0xf; + encoder->ps2_tvdac_adj = (bg << 16) | (dac << 20); + + bg = radeon_bios8(dev_priv, dac_info + 0xd) & 0xf; + dac = (radeon_bios8(dev_priv, dac_info + 0xd) >> 4) & 0xf; + encoder->pal_tvdac_adj = (bg << 16) | (dac << 20); + + bg = radeon_bios8(dev_priv, dac_info + 0xe) & 0xf; + dac = (radeon_bios8(dev_priv, dac_info + 0xe) >> 4) & 0xf; + encoder->ntsc_tvdac_adj = (bg << 16) | (dac << 20); + + return true; + } + } + + /* then check CRT table */ + dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE); + if (dac_info) { + rev = radeon_bios8(dev_priv, dac_info) & 0x3; + if (rev < 2) { + bg = radeon_bios8(dev_priv, dac_info + 0x3) & 0xf; + dac = (radeon_bios8(dev_priv, dac_info + 0x3) >> 4) & 0xf; + encoder->ps2_tvdac_adj = (bg << 16) | (dac << 20); + encoder->pal_tvdac_adj = encoder->ps2_tvdac_adj; + encoder->ntsc_tvdac_adj = encoder->ps2_tvdac_adj; + + return true; + } else { + bg = radeon_bios8(dev_priv, dac_info + 0x4) & 0xf; + dac = radeon_bios8(dev_priv, dac_info + 0x5) & 0xf; + encoder->ps2_tvdac_adj = (bg << 16) | (dac << 20); + encoder->pal_tvdac_adj = encoder->ps2_tvdac_adj; + encoder->ntsc_tvdac_adj = encoder->ps2_tvdac_adj; + + return true; + } + + } + + return false; +} + +bool radeon_combios_get_tv_info(struct radeon_encoder *encoder) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_radeon_private *dev_priv = dev->dev_private; + uint16_t tv_info; + + tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE); + if (tv_info) { + if (radeon_bios8(dev_priv, tv_info + 6) == 'T') { + switch (radeon_bios8(dev_priv, tv_info + 7) & 0xf) { + case 1: + encoder->tv_std = TV_STD_NTSC; + DRM_INFO("Default TV standard: NTSC\n"); + break; + case 2: + encoder->tv_std = TV_STD_PAL; + DRM_INFO("Default TV standard: PAL\n"); + break; + case 3: + encoder->tv_std = TV_STD_PAL_M; + DRM_INFO("Default TV standard: PAL-M\n"); + break; + case 4: + encoder->tv_std = TV_STD_PAL_60; + DRM_INFO("Default TV standard: PAL-60\n"); + break; + case 5: + encoder->tv_std = TV_STD_NTSC_J; + DRM_INFO("Default TV standard: NTSC-J\n"); + break; + case 6: + encoder->tv_std = TV_STD_SCART_PAL; + DRM_INFO("Default TV standard: SCART-PAL\n"); + break; + default: + encoder->tv_std = TV_STD_NTSC; + DRM_INFO("Unknown TV standard; defaulting to NTSC\n"); + break; + } + + switch ((radeon_bios8(dev_priv, tv_info + 9) >> 2) & 0x3) { + case 0: + DRM_INFO("29.498928713 MHz TV ref clk\n"); + break; + case 1: + DRM_INFO("28.636360000 MHz TV ref clk\n"); + break; + case 2: + DRM_INFO("14.318180000 MHz TV ref clk\n"); + break; + case 3: + DRM_INFO("27.000000000 MHz TV ref clk\n"); + break; + default: + break; + } + return true; + } + } + return false; +} + bool radeon_combios_get_lvds_info(struct radeon_encoder *encoder) { struct drm_device *dev = encoder->base.dev; struct drm_radeon_private *dev_priv = dev->dev_private; uint16_t lcd_info; + uint32_t panel_setup; char stmp[30]; int tmp, i; @@ -478,9 +614,57 @@ bool radeon_combios_get_lvds_info(struct radeon_encoder *encoder) DRM_INFO("Panel Size %dx%d\n", encoder->panel_xres, encoder->panel_yres); - encoder->panel_pwr_delay = radeon_bios16(dev_priv, lcd_info + 44); - if (encoder->panel_pwr_delay > 2000 || encoder->panel_pwr_delay < 0) - encoder->panel_pwr_delay = 2000; + encoder->panel_vcc_delay = radeon_bios16(dev_priv, lcd_info + 44); + if (encoder->panel_vcc_delay > 2000 || encoder->panel_vcc_delay < 0) + encoder->panel_vcc_delay = 2000; + + encoder->panel_pwr_delay = radeon_bios16(dev_priv, lcd_info + 0x24); + encoder->panel_digon_delay = radeon_bios16(dev_priv, lcd_info + 0x38) & 0xf; + encoder->panel_blon_delay = (radeon_bios16(dev_priv, lcd_info + 0x38) >> 4) & 0xf; + + encoder->panel_ref_divider = radeon_bios16(dev_priv, lcd_info + 46); + encoder->panel_post_divider = radeon_bios8(dev_priv, lcd_info + 48); + encoder->panel_fb_divider = radeon_bios16(dev_priv, lcd_info + 49); + if ((encoder->panel_ref_divider != 0) && + (encoder->panel_fb_divider > 3)) + encoder->use_bios_dividers = true; + + panel_setup = radeon_bios32(dev_priv, lcd_info + 0x39); + encoder->lvds_gen_cntl = 0; + if (panel_setup & 0x1) + encoder->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT; + + if ((panel_setup >> 4) & 0x1) + encoder->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE; + + switch ((panel_setup >> 8) & 0x8) { + case 0: + encoder->lvds_gen_cntl |= RADEON_LVDS_NO_FM; + break; + case 1: + encoder->lvds_gen_cntl |= RADEON_LVDS_2_GREY; + break; + case 2: + encoder->lvds_gen_cntl |= RADEON_LVDS_4_GREY; + break; + default: + break; + } + + if ((panel_setup >> 16) & 0x1) + encoder->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW; + + if ((panel_setup >> 17) & 0x1) + encoder->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW; + + if ((panel_setup >> 18) & 0x1) + encoder->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW; + + if ((panel_setup >> 23) & 0x1) + encoder->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL; + + encoder->lvds_gen_cntl |= (panel_setup & 0xf0000000); + for (i = 0; i < 32; i++) { tmp = radeon_bios16(dev_priv, lcd_info + 64 + i * 2); |