diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_combios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_combios.c | 158 |
1 files changed, 91 insertions, 67 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 14d3555e4af..b6761cde1ec 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -442,29 +442,39 @@ static uint16_t combios_get_table_offset(struct drm_device *dev, } -struct radeon_i2c_bus_rec combios_setup_i2c_bus(int ddc_line) +static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev, + int ddc_line) { struct radeon_i2c_bus_rec i2c; - i2c.mask_clk_mask = RADEON_GPIO_EN_1; - i2c.mask_data_mask = RADEON_GPIO_EN_0; - i2c.a_clk_mask = RADEON_GPIO_A_1; - i2c.a_data_mask = RADEON_GPIO_A_0; - i2c.en_clk_mask = RADEON_GPIO_EN_1; - i2c.en_data_mask = RADEON_GPIO_EN_0; - i2c.y_clk_mask = RADEON_GPIO_Y_1; - i2c.y_data_mask = RADEON_GPIO_Y_0; - if ((ddc_line == RADEON_LCD_GPIO_MASK) || - (ddc_line == RADEON_MDGPIO_EN_REG)) { - i2c.mask_clk_reg = ddc_line; - i2c.mask_data_reg = ddc_line; - i2c.a_clk_reg = ddc_line; - i2c.a_data_reg = ddc_line; - i2c.en_clk_reg = ddc_line; - i2c.en_data_reg = ddc_line; - i2c.y_clk_reg = ddc_line + 4; - i2c.y_data_reg = ddc_line + 4; + if (ddc_line == RADEON_GPIOPAD_MASK) { + i2c.mask_clk_reg = RADEON_GPIOPAD_MASK; + i2c.mask_data_reg = RADEON_GPIOPAD_MASK; + i2c.a_clk_reg = RADEON_GPIOPAD_A; + i2c.a_data_reg = RADEON_GPIOPAD_A; + i2c.en_clk_reg = RADEON_GPIOPAD_EN; + i2c.en_data_reg = RADEON_GPIOPAD_EN; + i2c.y_clk_reg = RADEON_GPIOPAD_Y; + i2c.y_data_reg = RADEON_GPIOPAD_Y; + } else if (ddc_line == RADEON_MDGPIO_MASK) { + i2c.mask_clk_reg = RADEON_MDGPIO_MASK; + i2c.mask_data_reg = RADEON_MDGPIO_MASK; + i2c.a_clk_reg = RADEON_MDGPIO_A; + i2c.a_data_reg = RADEON_MDGPIO_A; + i2c.en_clk_reg = RADEON_MDGPIO_EN; + i2c.en_data_reg = RADEON_MDGPIO_EN; + i2c.y_clk_reg = RADEON_MDGPIO_Y; + i2c.y_data_reg = RADEON_MDGPIO_Y; } else { + i2c.mask_clk_mask = RADEON_GPIO_EN_1; + i2c.mask_data_mask = RADEON_GPIO_EN_0; + i2c.a_clk_mask = RADEON_GPIO_A_1; + i2c.a_data_mask = RADEON_GPIO_A_0; + i2c.en_clk_mask = RADEON_GPIO_EN_1; + i2c.en_data_mask = RADEON_GPIO_EN_0; + i2c.y_clk_mask = RADEON_GPIO_Y_1; + i2c.y_data_mask = RADEON_GPIO_Y_0; + i2c.mask_clk_reg = ddc_line; i2c.mask_data_reg = ddc_line; i2c.a_clk_reg = ddc_line; @@ -475,6 +485,28 @@ struct radeon_i2c_bus_rec combios_setup_i2c_bus(int ddc_line) i2c.y_data_reg = ddc_line; } + if (rdev->family < CHIP_R200) + i2c.hw_capable = false; + else { + switch (ddc_line) { + case RADEON_GPIO_VGA_DDC: + case RADEON_GPIO_DVI_DDC: + i2c.hw_capable = true; + break; + case RADEON_GPIO_MONID: + /* hw i2c on RADEON_GPIO_MONID doesn't seem to work + * reliably on some pre-r4xx hardware; not sure why. + */ + i2c.hw_capable = false; + break; + default: + i2c.hw_capable = false; + break; + } + } + i2c.mm_i2c = false; + i2c.i2c_id = 0; + if (ddc_line) i2c.valid = true; else @@ -1077,7 +1109,7 @@ bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder, struct radeon_i2c_bus_rec i2c_bus; /* default for macs */ - i2c_bus = combios_setup_i2c_bus(RADEON_GPIO_MONID); + i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID); tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO"); /* XXX some macs have duallink chips */ @@ -1153,23 +1185,23 @@ bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder gpio = RBIOS8(offset + 4 + 3); switch (gpio) { case DDC_MONID: - i2c_bus = combios_setup_i2c_bus(RADEON_GPIO_MONID); + i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID); tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO"); break; case DDC_DVI: - i2c_bus = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO"); break; case DDC_VGA: - i2c_bus = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO"); break; case DDC_CRT2: /* R3xx+ chips don't have GPIO_CRT2_DDC gpio pad */ if (rdev->family >= CHIP_R300) - i2c_bus = combios_setup_i2c_bus(RADEON_GPIO_MONID); + i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID); else - i2c_bus = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC); + i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC); tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO"); break; case DDC_LCD: /* MM i2c */ @@ -1254,7 +1286,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) /* these are the most common settings */ if (rdev->flags & RADEON_SINGLE_CRTC) { /* VGA - primary dac */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_CRT1_SUPPORT, @@ -1267,7 +1299,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) CONNECTOR_OBJECT_ID_VGA); } else if (rdev->flags & RADEON_IS_MOBILITY) { /* LVDS */ - ddc_i2c = combios_setup_i2c_bus(RADEON_LCD_GPIO_MASK); + ddc_i2c = combios_setup_i2c_bus(rdev, 0); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_LCD1_SUPPORT, @@ -1280,7 +1312,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) CONNECTOR_OBJECT_ID_LVDS); /* VGA - primary dac */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_CRT1_SUPPORT, @@ -1293,7 +1325,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) CONNECTOR_OBJECT_ID_VGA); } else { /* DVI-I - tv dac, int tmds */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_DFP1_SUPPORT, @@ -1312,7 +1344,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I); /* VGA - primary dac */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_CRT1_SUPPORT, @@ -1343,7 +1375,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_INFO("Connector Table: %d (ibook)\n", rdev->mode_info.connector_table); /* LVDS */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_LCD1_SUPPORT, @@ -1353,7 +1385,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_MODE_CONNECTOR_LVDS, &ddc_i2c, CONNECTOR_OBJECT_ID_LVDS); /* VGA - TV DAC */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_CRT2_SUPPORT, @@ -1377,7 +1409,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_INFO("Connector Table: %d (powerbook external tmds)\n", rdev->mode_info.connector_table); /* LVDS */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_LCD1_SUPPORT, @@ -1387,7 +1419,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_MODE_CONNECTOR_LVDS, &ddc_i2c, CONNECTOR_OBJECT_ID_LVDS); /* DVI-I - primary dac, ext tmds */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_DFP2_SUPPORT, @@ -1419,7 +1451,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_INFO("Connector Table: %d (powerbook internal tmds)\n", rdev->mode_info.connector_table); /* LVDS */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_LCD1_SUPPORT, @@ -1429,7 +1461,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_MODE_CONNECTOR_LVDS, &ddc_i2c, CONNECTOR_OBJECT_ID_LVDS); /* DVI-I - primary dac, int tmds */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_DFP1_SUPPORT, @@ -1460,7 +1492,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_INFO("Connector Table: %d (powerbook vga)\n", rdev->mode_info.connector_table); /* LVDS */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_LCD1_SUPPORT, @@ -1470,7 +1502,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_MODE_CONNECTOR_LVDS, &ddc_i2c, CONNECTOR_OBJECT_ID_LVDS); /* VGA - primary dac */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_CRT1_SUPPORT, @@ -1494,7 +1526,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_INFO("Connector Table: %d (mini external tmds)\n", rdev->mode_info.connector_table); /* DVI-I - tv dac, ext tmds */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_DFP2_SUPPORT, @@ -1526,7 +1558,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_INFO("Connector Table: %d (mini internal tmds)\n", rdev->mode_info.connector_table); /* DVI-I - tv dac, int tmds */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_DFP1_SUPPORT, @@ -1557,7 +1589,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_INFO("Connector Table: %d (imac g5 isight)\n", rdev->mode_info.connector_table); /* DVI-D - int tmds */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_DFP1_SUPPORT, @@ -1567,7 +1599,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_MODE_CONNECTOR_DVID, &ddc_i2c, CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D); /* VGA - tv dac */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_CRT2_SUPPORT, @@ -1591,7 +1623,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_INFO("Connector Table: %d (emac)\n", rdev->mode_info.connector_table); /* VGA - primary dac */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_CRT1_SUPPORT, @@ -1601,7 +1633,7 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_MODE_CONNECTOR_VGA, &ddc_i2c, CONNECTOR_OBJECT_ID_VGA); /* VGA - tv dac */ - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC); radeon_add_legacy_encoder(dev, radeon_get_encoder_id(dev, ATOM_DEVICE_CRT2_SUPPORT, @@ -1644,11 +1676,11 @@ static bool radeon_apply_legacy_quirks(struct drm_device *dev, if ((rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) && ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC) - *ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID); + *ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID); else if ((rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) && ddc_i2c->mask_clk_reg == RADEON_GPIO_MONID) { - ddc_i2c->valid = true; + *ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIOPAD_MASK); ddc_i2c->mask_clk_mask = (0x20 << 8); ddc_i2c->mask_data_mask = 0x80; ddc_i2c->a_clk_mask = (0x20 << 8); @@ -1657,20 +1689,12 @@ static bool radeon_apply_legacy_quirks(struct drm_device *dev, ddc_i2c->en_data_mask = 0x80; ddc_i2c->y_clk_mask = (0x20 << 8); ddc_i2c->y_data_mask = 0x80; - ddc_i2c->mask_clk_reg = RADEON_GPIOPAD_MASK; - ddc_i2c->mask_data_reg = RADEON_GPIOPAD_MASK; - ddc_i2c->a_clk_reg = RADEON_GPIOPAD_A; - ddc_i2c->a_data_reg = RADEON_GPIOPAD_A; - ddc_i2c->en_clk_reg = RADEON_GPIOPAD_EN; - ddc_i2c->en_data_reg = RADEON_GPIOPAD_EN; - ddc_i2c->y_clk_reg = RADEON_GPIOPAD_Y; - ddc_i2c->y_data_reg = RADEON_GPIOPAD_Y; } /* R3xx+ chips don't have GPIO_CRT2_DDC gpio pad */ if ((rdev->family >= CHIP_R300) && ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC) - *ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + *ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); /* Certain IBM chipset RN50s have a BIOS reporting two VGAs, one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */ @@ -1788,19 +1812,19 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) switch (ddc_type) { case DDC_MONID: ddc_i2c = - combios_setup_i2c_bus(RADEON_GPIO_MONID); + combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID); break; case DDC_DVI: ddc_i2c = - combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); break; case DDC_VGA: ddc_i2c = - combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); break; case DDC_CRT2: ddc_i2c = - combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC); + combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC); break; default: break; @@ -1955,7 +1979,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) 0), ATOM_DEVICE_DFP1_SUPPORT); - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC); radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT | @@ -1973,7 +1997,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) ATOM_DEVICE_CRT1_SUPPORT, 1), ATOM_DEVICE_CRT1_SUPPORT); - ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC); + ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC); radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT, @@ -2007,27 +2031,27 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) case DDC_MONID: ddc_i2c = combios_setup_i2c_bus - (RADEON_GPIO_MONID); + (rdev, RADEON_GPIO_MONID); break; case DDC_DVI: ddc_i2c = combios_setup_i2c_bus - (RADEON_GPIO_DVI_DDC); + (rdev, RADEON_GPIO_DVI_DDC); break; case DDC_VGA: ddc_i2c = combios_setup_i2c_bus - (RADEON_GPIO_VGA_DDC); + (rdev, RADEON_GPIO_VGA_DDC); break; case DDC_CRT2: ddc_i2c = combios_setup_i2c_bus - (RADEON_GPIO_CRT2_DDC); + (rdev, RADEON_GPIO_CRT2_DDC); break; case DDC_LCD: ddc_i2c = combios_setup_i2c_bus - (RADEON_LCD_GPIO_MASK); + (rdev, RADEON_GPIOPAD_MASK); ddc_i2c.mask_clk_mask = RBIOS32(lcd_ddc_info + 3); ddc_i2c.mask_data_mask = @@ -2048,7 +2072,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) case DDC_GPIO: ddc_i2c = combios_setup_i2c_bus - (RADEON_MDGPIO_EN_REG); + (rdev, RADEON_MDGPIO_MASK); ddc_i2c.mask_clk_mask = RBIOS32(lcd_ddc_info + 3); ddc_i2c.mask_data_mask = |