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path: root/drivers/gpu/drm/radeon/radeon_combios.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_combios.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_combios.c290
1 files changed, 231 insertions, 59 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 22d476160d5..e9ea38ece37 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -150,6 +150,9 @@ static uint16_t combios_get_table_offset(struct drm_device *dev,
int rev;
uint16_t offset = 0, check_offset;
+ if (!rdev->bios)
+ return 0;
+
switch (table) {
/* absolute offset tables */
case COMBIOS_ASIC_INIT_1_TABLE:
@@ -443,6 +446,39 @@ static uint16_t combios_get_table_offset(struct drm_device *dev,
}
+bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
+{
+ int edid_info;
+ struct edid *edid;
+ edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
+ if (!edid_info)
+ return false;
+
+ edid = kmalloc(EDID_LENGTH * (DRM_MAX_EDID_EXT_NUM + 1),
+ GFP_KERNEL);
+ if (edid == NULL)
+ return false;
+
+ memcpy((unsigned char *)edid,
+ (unsigned char *)(rdev->bios + edid_info), EDID_LENGTH);
+
+ if (!drm_edid_is_valid(edid)) {
+ kfree(edid);
+ return false;
+ }
+
+ rdev->mode_info.bios_hardcoded_edid = edid;
+ return true;
+}
+
+struct edid *
+radeon_combios_get_hardcoded_edid(struct radeon_device *rdev)
+{
+ if (rdev->mode_info.bios_hardcoded_edid)
+ return rdev->mode_info.bios_hardcoded_edid;
+ return NULL;
+}
+
static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
int ddc_line)
{
@@ -486,9 +522,65 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde
i2c.y_data_reg = ddc_line;
}
- if (rdev->family < CHIP_R200)
- i2c.hw_capable = false;
- else {
+ switch (rdev->family) {
+ case CHIP_R100:
+ case CHIP_RV100:
+ case CHIP_RS100:
+ case CHIP_RV200:
+ case CHIP_RS200:
+ case CHIP_RS300:
+ switch (ddc_line) {
+ case RADEON_GPIO_DVI_DDC:
+ /* in theory this should be hw capable,
+ * but it doesn't seem to work
+ */
+ i2c.hw_capable = false;
+ break;
+ default:
+ i2c.hw_capable = false;
+ break;
+ }
+ break;
+ case CHIP_R200:
+ switch (ddc_line) {
+ case RADEON_GPIO_DVI_DDC:
+ case RADEON_GPIO_MONID:
+ i2c.hw_capable = true;
+ break;
+ default:
+ i2c.hw_capable = false;
+ break;
+ }
+ break;
+ case CHIP_RV250:
+ case CHIP_RV280:
+ switch (ddc_line) {
+ case RADEON_GPIO_VGA_DDC:
+ case RADEON_GPIO_DVI_DDC:
+ case RADEON_GPIO_CRT2_DDC:
+ i2c.hw_capable = true;
+ break;
+ default:
+ i2c.hw_capable = false;
+ break;
+ }
+ break;
+ case CHIP_R300:
+ case CHIP_R350:
+ switch (ddc_line) {
+ case RADEON_GPIO_VGA_DDC:
+ case RADEON_GPIO_DVI_DDC:
+ i2c.hw_capable = true;
+ break;
+ default:
+ i2c.hw_capable = false;
+ break;
+ }
+ break;
+ case CHIP_RV350:
+ case CHIP_RV380:
+ case CHIP_RS400:
+ case CHIP_RS480:
switch (ddc_line) {
case RADEON_GPIO_VGA_DDC:
case RADEON_GPIO_DVI_DDC:
@@ -504,9 +596,14 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde
i2c.hw_capable = false;
break;
}
+ break;
+ default:
+ i2c.hw_capable = false;
+ break;
}
i2c.mm_i2c = false;
i2c.i2c_id = 0;
+ i2c.hpd_id = 0;
if (ddc_line)
i2c.valid = true;
@@ -527,9 +624,6 @@ bool radeon_combios_get_clock_info(struct drm_device *dev)
int8_t rev;
uint16_t sclk, mclk;
- if (rdev->bios == NULL)
- return false;
-
pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
if (pll_info) {
rev = RBIOS8(pll_info);
@@ -654,9 +748,6 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
if (!p_dac)
return NULL;
- if (rdev->bios == NULL)
- goto out;
-
/* check CRT table */
dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
if (dac_info) {
@@ -673,7 +764,6 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
found = 1;
}
-out:
if (!found) /* fallback to defaults */
radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
@@ -687,9 +777,6 @@ radeon_combios_get_tv_info(struct radeon_device *rdev)
uint16_t tv_info;
enum radeon_tv_std tv_std = TV_STD_NTSC;
- if (rdev->bios == NULL)
- return tv_std;
-
tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (tv_info) {
if (RBIOS8(tv_info + 6) == 'T') {
@@ -793,9 +880,6 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
if (!tv_dac)
return NULL;
- if (rdev->bios == NULL)
- goto out;
-
/* first check TV table */
dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (dac_info) {
@@ -857,7 +941,6 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
}
}
-out:
if (!found) /* fallback to defaults */
radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
@@ -945,11 +1028,6 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
int tmp, i;
struct radeon_encoder_lvds *lvds = NULL;
- if (rdev->bios == NULL) {
- lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
- goto out;
- }
-
lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
if (lcd_info) {
@@ -1050,7 +1128,7 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
DRM_INFO("No panel info found in BIOS\n");
lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
}
-out:
+
if (lvds)
encoder->native_mode = lvds->native_mode;
return lvds;
@@ -1102,9 +1180,6 @@ bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
int i, n;
uint8_t ver;
- if (rdev->bios == NULL)
- return false;
-
tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
if (tmds_info) {
@@ -1184,9 +1259,6 @@ bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder
enum radeon_combios_ddc gpio;
struct radeon_i2c_bus_rec i2c_bus;
- if (rdev->bios == NULL)
- return false;
-
tmds->i2c_bus = NULL;
if (rdev->flags & RADEON_IS_IGP) {
offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
@@ -1253,7 +1325,10 @@ bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder
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");
+ i2c_bus.valid = true;
+ i2c_bus.hw_capable = true;
+ i2c_bus.mm_i2c = true;
+ tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
break;
default:
DRM_ERROR("Unsupported gpio %d\n", gpio);
@@ -1909,9 +1984,6 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
struct radeon_i2c_bus_rec ddc_i2c;
struct radeon_hpd hpd;
- if (rdev->bios == NULL)
- return false;
-
conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
if (conn_info) {
for (i = 0; i < 4; i++) {
@@ -2278,6 +2350,115 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
return true;
}
+void radeon_combios_get_power_modes(struct radeon_device *rdev)
+{
+ struct drm_device *dev = rdev->ddev;
+ u16 offset, misc, misc2 = 0;
+ u8 rev, blocks, tmp;
+ int state_index = 0;
+
+ rdev->pm.default_power_state = NULL;
+
+ if (rdev->flags & RADEON_IS_MOBILITY) {
+ offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
+ if (offset) {
+ rev = RBIOS8(offset);
+ blocks = RBIOS8(offset + 0x2);
+ /* power mode 0 tends to be the only valid one */
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
+ rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+ goto default_mode;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+ rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk >
+ rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+ goto default_mode;
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BATTERY;
+ misc = RBIOS16(offset + 0x5 + 0x0);
+ if (rev > 4)
+ misc2 = RBIOS16(offset + 0x5 + 0xe);
+ if (misc & 0x4) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
+ if (misc & 0x8)
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ true;
+ else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ false;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
+ if (rev < 6) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
+ RBIOS16(offset + 0x5 + 0xb) * 4;
+ tmp = RBIOS8(offset + 0x5 + 0xd);
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
+ } else {
+ u8 entries = RBIOS8(offset + 0x5 + 0xb);
+ u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
+ if (entries && voltage_table_offset) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
+ RBIOS16(voltage_table_offset) * 4;
+ tmp = RBIOS8(voltage_table_offset + 0x2);
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
+ } else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
+ }
+ switch ((misc2 & 0x700) >> 8) {
+ case 0:
+ default:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
+ break;
+ case 1:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
+ break;
+ case 2:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
+ break;
+ case 3:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
+ break;
+ case 4:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
+ break;
+ }
+ } else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+ if (rev > 6)
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+ RBIOS8(offset + 0x5 + 0x10);
+ state_index++;
+ } else {
+ /* XXX figure out some good default low power mode for mobility cards w/out power tables */
+ }
+ } else {
+ /* XXX figure out some good default low power mode for desktop cards */
+ }
+
+default_mode:
+ /* add the default mode */
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_DEFAULT;
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
+ rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
+ rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+ if (rdev->asic->get_pcie_lanes)
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
+ else
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
+ rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.num_power_states = state_index + 1;
+
+ rdev->pm.current_power_state = rdev->pm.default_power_state;
+ rdev->pm.current_clock_mode =
+ rdev->pm.default_power_state->default_clock_mode;
+}
+
void radeon_external_tmds_setup(struct drm_encoder *encoder)
{
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
@@ -2289,23 +2470,21 @@ void radeon_external_tmds_setup(struct drm_encoder *encoder)
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,
+ radeon_i2c_put_byte(tmds->i2c_bus,
+ tmds->slave_addr,
+ 0x08, 0x30);
+ radeon_i2c_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,
+ radeon_i2c_put_byte(tmds->i2c_bus,
+ tmds->slave_addr,
+ 0x0a, 0x90);
+ radeon_i2c_put_byte(tmds->i2c_bus,
+ tmds->slave_addr,
+ 0x0c, 0x89);
+ radeon_i2c_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 */
@@ -2338,9 +2517,6 @@ bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
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;
@@ -2390,11 +2566,9 @@ bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
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);
+ radeon_i2c_put_byte(tmds->i2c_bus,
+ slave_addr,
+ reg, val);
break;
default:
DRM_ERROR("Unknown id %d\n", id >> 13);
@@ -2447,11 +2621,9 @@ bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
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);
+ radeon_i2c_put_byte(tmds->i2c_bus,
+ tmds->slave_addr,
+ reg, val);
break;
default:
DRM_ERROR("Unknown id %d\n", id >> 13);