diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_combios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_combios.c | 332 |
1 files changed, 305 insertions, 27 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index e2a51de67aa1..f745971c6a53 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -993,8 +993,8 @@ static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = { {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_R420 */ {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_R423 */ {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_RV410 */ - {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}}, /* CHIP_RS400 */ - {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}}, /* CHIP_RS480 */ + { {0, 0}, {0, 0}, {0, 0}, {0, 0} }, /* CHIP_RS400 */ + { {0, 0}, {0, 0}, {0, 0}, {0, 0} }, /* CHIP_RS480 */ }; bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder, @@ -1028,7 +1028,6 @@ bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder, tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE); if (tmds_info) { - ver = RBIOS8(tmds_info); DRM_INFO("DFP table revision: %d\n", ver); if (ver == 3) { @@ -1063,45 +1062,132 @@ bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder, tmds->tmds_pll[i].value); } } - } else + } else { DRM_INFO("No TMDS info found in BIOS\n"); + return false; + } return true; } -struct radeon_encoder_int_tmds *radeon_combios_get_tmds_info(struct radeon_encoder *encoder) +bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder, + struct radeon_encoder_ext_tmds *tmds) { - struct radeon_encoder_int_tmds *tmds = NULL; - bool ret; - - tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL); + struct drm_device *dev = encoder->base.dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_i2c_bus_rec i2c_bus; - if (!tmds) - return NULL; + /* default for macs */ + i2c_bus = combios_setup_i2c_bus(RADEON_GPIO_MONID); + tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO"); - ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds); - if (ret == false) - radeon_legacy_get_tmds_info_from_table(encoder, tmds); + /* XXX some macs have duallink chips */ + switch (rdev->mode_info.connector_table) { + case CT_POWERBOOK_EXTERNAL: + case CT_MINI_EXTERNAL: + default: + tmds->dvo_chip = DVO_SIL164; + tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */ + break; + } - return tmds; + return true; } -void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder) +bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder, + struct radeon_encoder_ext_tmds *tmds) { struct drm_device *dev = encoder->base.dev; struct radeon_device *rdev = dev->dev_private; - uint16_t ext_tmds_info; - uint8_t ver; + uint16_t offset; + uint8_t ver, id, blocks, clk, data; + int i; + enum radeon_combios_ddc gpio; + struct radeon_i2c_bus_rec i2c_bus; if (rdev->bios == NULL) - return; + return false; - ext_tmds_info = - combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE); - if (ext_tmds_info) { - ver = RBIOS8(ext_tmds_info); - DRM_INFO("External TMDS Table revision: %d\n", ver); - // TODO + tmds->i2c_bus = NULL; + if (rdev->flags & RADEON_IS_IGP) { + offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE); + if (offset) { + ver = RBIOS8(offset); + DRM_INFO("GPIO Table revision: %d\n", ver); + blocks = RBIOS8(offset + 2); + for (i = 0; i < blocks; i++) { + id = RBIOS8(offset + 3 + (i * 5) + 0); + if (id == 136) { + clk = RBIOS8(offset + 3 + (i * 5) + 3); + data = RBIOS8(offset + 3 + (i * 5) + 4); + i2c_bus.valid = true; + i2c_bus.mask_clk_mask = (1 << clk); + i2c_bus.mask_data_mask = (1 << data); + i2c_bus.a_clk_mask = (1 << clk); + i2c_bus.a_data_mask = (1 << data); + i2c_bus.en_clk_mask = (1 << clk); + i2c_bus.en_data_mask = (1 << data); + i2c_bus.y_clk_mask = (1 << clk); + i2c_bus.y_data_mask = (1 << data); + i2c_bus.mask_clk_reg = RADEON_GPIOPAD_MASK; + i2c_bus.mask_data_reg = RADEON_GPIOPAD_MASK; + i2c_bus.a_clk_reg = RADEON_GPIOPAD_A; + i2c_bus.a_data_reg = RADEON_GPIOPAD_A; + i2c_bus.en_clk_reg = RADEON_GPIOPAD_EN; + i2c_bus.en_data_reg = RADEON_GPIOPAD_EN; + i2c_bus.y_clk_reg = RADEON_GPIOPAD_Y; + i2c_bus.y_data_reg = RADEON_GPIOPAD_Y; + tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO"); + tmds->dvo_chip = DVO_SIL164; + tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */ + break; + } + } + } + } else { + offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE); + if (offset) { + ver = RBIOS8(offset); + DRM_INFO("External TMDS Table revision: %d\n", ver); + tmds->slave_addr = RBIOS8(offset + 4 + 2); + tmds->slave_addr >>= 1; /* 7 bit addressing */ + gpio = RBIOS8(offset + 4 + 3); + switch (gpio) { + case DDC_MONID: + i2c_bus = combios_setup_i2c_bus(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); + tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO"); + break; + case DDC_VGA: + i2c_bus = combios_setup_i2c_bus(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); + else + i2c_bus = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC); + tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO"); + break; + case DDC_LCD: /* MM i2c */ + DRM_ERROR("MM i2c requires hw i2c engine\n"); + break; + default: + DRM_ERROR("Unsupported gpio %d\n", gpio); + break; + } + } } + + if (!tmds->i2c_bus) { + DRM_INFO("No valid Ext TMDS info found in BIOS\n"); + return false; + } + + return true; } bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) @@ -1577,10 +1663,15 @@ static bool radeon_apply_legacy_quirks(struct drm_device *dev, 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_LCD_GPIO_Y_REG; - ddc_i2c->y_data_reg = RADEON_LCD_GPIO_Y_REG; + 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); + /* Certain IBM chipset RN50s have a BIOS reporting two VGAs, one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */ if (dev->pdev->device == 0x515e && @@ -2014,6 +2105,193 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) return true; } +void radeon_external_tmds_setup(struct drm_encoder *encoder) +{ + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv; + + if (!tmds) + return; + + switch (tmds->dvo_chip) { + case DVO_SIL164: + /* sil 164 */ + radeon_i2c_do_lock(tmds->i2c_bus, 1); + radeon_i2c_sw_put_byte(tmds->i2c_bus, + tmds->slave_addr, + 0x08, 0x30); + radeon_i2c_sw_put_byte(tmds->i2c_bus, + tmds->slave_addr, + 0x09, 0x00); + radeon_i2c_sw_put_byte(tmds->i2c_bus, + tmds->slave_addr, + 0x0a, 0x90); + radeon_i2c_sw_put_byte(tmds->i2c_bus, + tmds->slave_addr, + 0x0c, 0x89); + radeon_i2c_sw_put_byte(tmds->i2c_bus, + tmds->slave_addr, + 0x08, 0x3b); + radeon_i2c_do_lock(tmds->i2c_bus, 0); + break; + case DVO_SIL1178: + /* sil 1178 - untested */ + /* + * 0x0f, 0x44 + * 0x0f, 0x4c + * 0x0e, 0x01 + * 0x0a, 0x80 + * 0x09, 0x30 + * 0x0c, 0xc9 + * 0x0d, 0x70 + * 0x08, 0x32 + * 0x08, 0x33 + */ + break; + default: + break; + } + +} + +bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + uint16_t offset; + uint8_t blocks, slave_addr, rev; + uint32_t index, id; + uint32_t reg, val, and_mask, or_mask; + struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv; + + if (rdev->bios == NULL) + return false; + + if (!tmds) + return false; + + if (rdev->flags & RADEON_IS_IGP) { + offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE); + rev = RBIOS8(offset); + if (offset) { + rev = RBIOS8(offset); + if (rev > 1) { + blocks = RBIOS8(offset + 3); + index = offset + 4; + while (blocks > 0) { + id = RBIOS16(index); + index += 2; + switch (id >> 13) { + case 0: + reg = (id & 0x1fff) * 4; + val = RBIOS32(index); + index += 4; + WREG32(reg, val); + break; + case 2: + reg = (id & 0x1fff) * 4; + and_mask = RBIOS32(index); + index += 4; + or_mask = RBIOS32(index); + index += 4; + val = RREG32(reg); + val = (val & and_mask) | or_mask; + WREG32(reg, val); + break; + case 3: + val = RBIOS16(index); + index += 2; + udelay(val); + break; + case 4: + val = RBIOS16(index); + index += 2; + udelay(val * 1000); + break; + case 6: + slave_addr = id & 0xff; + slave_addr >>= 1; /* 7 bit addressing */ + index++; + reg = RBIOS8(index); + index++; + val = RBIOS8(index); + index++; + radeon_i2c_do_lock(tmds->i2c_bus, 1); + radeon_i2c_sw_put_byte(tmds->i2c_bus, + slave_addr, + reg, val); + radeon_i2c_do_lock(tmds->i2c_bus, 0); + break; + default: + DRM_ERROR("Unknown id %d\n", id >> 13); + break; + } + blocks--; + } + return true; + } + } + } else { + offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE); + if (offset) { + index = offset + 10; + id = RBIOS16(index); + while (id != 0xffff) { + index += 2; + switch (id >> 13) { + case 0: + reg = (id & 0x1fff) * 4; + val = RBIOS32(index); + WREG32(reg, val); + break; + case 2: + reg = (id & 0x1fff) * 4; + and_mask = RBIOS32(index); + index += 4; + or_mask = RBIOS32(index); + index += 4; + val = RREG32(reg); + val = (val & and_mask) | or_mask; + WREG32(reg, val); + break; + case 4: + val = RBIOS16(index); + index += 2; + udelay(val); + break; + case 5: + reg = id & 0x1fff; + and_mask = RBIOS32(index); + index += 4; + or_mask = RBIOS32(index); + index += 4; + val = RREG32_PLL(reg); + val = (val & and_mask) | or_mask; + WREG32_PLL(reg, val); + break; + case 6: + reg = id & 0x1fff; + val = RBIOS8(index); + index += 1; + radeon_i2c_do_lock(tmds->i2c_bus, 1); + radeon_i2c_sw_put_byte(tmds->i2c_bus, + tmds->slave_addr, + reg, val); + radeon_i2c_do_lock(tmds->i2c_bus, 0); + break; + default: + DRM_ERROR("Unknown id %d\n", id >> 13); + break; + } + id = RBIOS16(index); + } + return true; + } + } + return false; +} + static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset) { struct radeon_device *rdev = dev->dev_private; |
