diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/radeon_legacy_encoders.c | 158 |
1 files changed, 153 insertions, 5 deletions
diff --git a/linux-core/radeon_legacy_encoders.c b/linux-core/radeon_legacy_encoders.c index 64521547..a418d1d4 100644 --- a/linux-core/radeon_legacy_encoders.c +++ b/linux-core/radeon_legacy_encoders.c @@ -511,11 +511,68 @@ static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder, RADEON_WRITE(RADEON_DAC_MACRO_CNTL, dac_macro_cntl); } -static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) +static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_encoder *encoder, + struct drm_connector *connector) { - // FIXME - return connector_status_disconnected; + struct drm_device *dev = encoder->dev; + struct drm_radeon_private *dev_priv = dev->dev_private; + uint32_t vclk_ecp_cntl, crtc_ext_cntl; + uint32_t dac_ext_cntl, dac_cntl, dac_macro_cntl, tmp; + enum drm_connector_status found = connector_status_disconnected; + bool color = true; + + /* save the regs we need */ + vclk_ecp_cntl = RADEON_READ_PLL(dev_priv, RADEON_VCLK_ECP_CNTL); + crtc_ext_cntl = RADEON_READ(RADEON_CRTC_EXT_CNTL); + dac_ext_cntl = RADEON_READ(RADEON_DAC_EXT_CNTL); + dac_cntl = RADEON_READ(RADEON_DAC_CNTL); + dac_macro_cntl = RADEON_READ(RADEON_DAC_MACRO_CNTL); + + tmp = vclk_ecp_cntl & + ~(RADEON_PIXCLK_ALWAYS_ONb | RADEON_PIXCLK_DAC_ALWAYS_ONb); + RADEON_WRITE_PLL(dev_priv, RADEON_VCLK_ECP_CNTL, tmp); + + tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON; + RADEON_WRITE(RADEON_CRTC_EXT_CNTL, tmp); + + tmp = RADEON_DAC_FORCE_BLANK_OFF_EN | + RADEON_DAC_FORCE_DATA_EN; + + if (color) + tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB; + else + tmp |= RADEON_DAC_FORCE_DATA_SEL_G; + + if (radeon_is_r300(dev_priv)) + tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT); + else + tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT); + + RADEON_WRITE(RADEON_DAC_EXT_CNTL, tmp); + + tmp = dac_cntl & ~(RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_PDWN); + tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN; + RADEON_WRITE(RADEON_DAC_CNTL, tmp); + + tmp &= ~(RADEON_DAC_PDWN_R | + RADEON_DAC_PDWN_G | + RADEON_DAC_PDWN_B); + + RADEON_WRITE(RADEON_DAC_MACRO_CNTL, tmp); + + udelay(2000); + + if (RADEON_READ(RADEON_DAC_CNTL) & RADEON_DAC_CMP_OUTPUT) + found = connector_status_connected; + /* restore the regs we used */ + RADEON_WRITE(RADEON_DAC_CNTL, dac_cntl); + RADEON_WRITE(RADEON_DAC_MACRO_CNTL, dac_macro_cntl); + RADEON_WRITE(RADEON_DAC_EXT_CNTL, dac_ext_cntl); + RADEON_WRITE(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); + RADEON_WRITE_PLL(dev_priv, RADEON_VCLK_ECP_CNTL, vclk_ecp_cntl); + + return found; } static const struct drm_encoder_helper_funcs radeon_legacy_primary_dac_helper_funcs = { @@ -1102,9 +1159,100 @@ static void radeon_legacy_tv_dac_mode_set(struct drm_encoder *encoder, } -static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) +static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder, + struct drm_connector *connector) { - // FIXME + struct drm_device *dev = encoder->dev; + struct drm_radeon_private *dev_priv = dev->dev_private; + uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl; + uint32_t disp_hw_debug, disp_output_cntl, gpiopad_a, pixclks_cntl, tmp; + enum drm_connector_status found = connector_status_disconnected; + bool color = true; + + // FIXME tv + + /* save the regs we need */ + pixclks_cntl = RADEON_READ_PLL(dev_priv, RADEON_PIXCLKS_CNTL); + gpiopad_a = radeon_is_r300(dev_priv) ? RADEON_READ(RADEON_GPIOPAD_A) : 0; + disp_output_cntl = radeon_is_r300(dev_priv) ? RADEON_READ(RADEON_DISP_OUTPUT_CNTL) : 0; + disp_hw_debug = radeon_is_r300(dev_priv) ? 0 : RADEON_READ(RADEON_DISP_HW_DEBUG); + crtc2_gen_cntl = RADEON_READ(RADEON_CRTC2_GEN_CNTL); + tv_dac_cntl = RADEON_READ(RADEON_TV_DAC_CNTL); + dac_ext_cntl = RADEON_READ(RADEON_DAC_EXT_CNTL); + dac_cntl2 = RADEON_READ(RADEON_DAC_CNTL2); + + tmp = pixclks_cntl & ~(RADEON_PIX2CLK_ALWAYS_ONb + | RADEON_PIX2CLK_DAC_ALWAYS_ONb); + RADEON_WRITE_PLL(dev_priv, RADEON_PIXCLKS_CNTL, tmp); + + if (radeon_is_r300(dev_priv)) + RADEON_WRITE_P(RADEON_GPIOPAD_A, 1, ~1); + + tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK; + tmp |= RADEON_CRTC2_CRT2_ON | + (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT); + + RADEON_WRITE(RADEON_CRTC2_GEN_CNTL, tmp); + + if (radeon_is_r300(dev_priv)) { + tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK; + tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2; + RADEON_WRITE(RADEON_DISP_OUTPUT_CNTL, tmp); + } else { + tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL; + RADEON_WRITE(RADEON_DISP_HW_DEBUG, tmp); + } + + tmp = RADEON_TV_DAC_NBLANK | + RADEON_TV_DAC_NHOLD | + RADEON_TV_MONITOR_DETECT_EN | + RADEON_TV_DAC_STD_PS2; + + RADEON_WRITE(RADEON_TV_DAC_CNTL, tmp); + + tmp = RADEON_DAC2_FORCE_BLANK_OFF_EN | + RADEON_DAC2_FORCE_DATA_EN; + + if (color) + tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB; + else + tmp |= RADEON_DAC_FORCE_DATA_SEL_G; + + if (radeon_is_r300(dev_priv)) + tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT); + else + tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT); + + RADEON_WRITE(RADEON_DAC_EXT_CNTL, tmp); + + tmp = dac_cntl2 | RADEON_DAC2_DAC2_CLK_SEL | RADEON_DAC2_CMP_EN; + RADEON_WRITE(RADEON_DAC_CNTL2, tmp); + + udelay(10000); + + if (radeon_is_r300(dev_priv)) { + if (RADEON_READ(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B) + found = connector_status_connected; + } else { + if (RADEON_READ(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUTPUT) + found = connector_status_connected; + } + + /* restore regs we used */ + RADEON_WRITE(RADEON_DAC_CNTL2, dac_cntl2); + RADEON_WRITE(RADEON_DAC_EXT_CNTL, dac_ext_cntl); + RADEON_WRITE(RADEON_TV_DAC_CNTL, tv_dac_cntl); + RADEON_WRITE(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); + + if (radeon_is_r300(dev_priv)) { + RADEON_WRITE(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); + RADEON_WRITE_P(RADEON_GPIOPAD_A, gpiopad_a, ~1 ); + } else { + RADEON_WRITE(RADEON_DISP_HW_DEBUG, disp_hw_debug); + } + RADEON_WRITE_PLL(dev_priv, RADEON_PIXCLKS_CNTL, pixclks_cntl); + + //return found; return connector_status_disconnected; } |