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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.c117
1 files changed, 102 insertions, 15 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 8caf546c8e9..5b991f7c6e2 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -505,12 +505,18 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde
* DDC_VGA = RADEON_GPIO_VGA_DDC
* DDC_LCD = RADEON_GPIOPAD_MASK
* DDC_GPIO = RADEON_MDGPIO_MASK
- * r1xx/r2xx
+ * r1xx
* DDC_MONID = RADEON_GPIO_MONID
* DDC_CRT2 = RADEON_GPIO_CRT2_DDC
- * r3xx
+ * r200
* DDC_MONID = RADEON_GPIO_MONID
* DDC_CRT2 = RADEON_GPIO_DVI_DDC
+ * r300/r350
+ * DDC_MONID = RADEON_GPIO_DVI_DDC
+ * DDC_CRT2 = RADEON_GPIO_DVI_DDC
+ * rv2xx/rv3xx
+ * DDC_MONID = RADEON_GPIO_MONID
+ * DDC_CRT2 = RADEON_GPIO_MONID
* rs3xx/rs4xx
* DDC_MONID = RADEON_GPIOPAD_MASK
* DDC_CRT2 = RADEON_GPIO_MONID
@@ -537,17 +543,26 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde
rdev->family == CHIP_RS400 ||
rdev->family == CHIP_RS480)
ddc_line = RADEON_GPIOPAD_MASK;
- else
+ else if (rdev->family == CHIP_R300 ||
+ rdev->family == CHIP_R350) {
+ ddc_line = RADEON_GPIO_DVI_DDC;
+ ddc = DDC_DVI;
+ } else
ddc_line = RADEON_GPIO_MONID;
break;
case DDC_CRT2:
- if (rdev->family == CHIP_RS300 ||
- rdev->family == CHIP_RS400 ||
- rdev->family == CHIP_RS480)
- ddc_line = RADEON_GPIO_MONID;
- else if (rdev->family >= CHIP_R300) {
+ if (rdev->family == CHIP_R200 ||
+ rdev->family == CHIP_R300 ||
+ rdev->family == CHIP_R350) {
ddc_line = RADEON_GPIO_DVI_DDC;
ddc = DDC_DVI;
+ } else if (rdev->family == CHIP_RS300 ||
+ rdev->family == CHIP_RS400 ||
+ rdev->family == CHIP_RS480)
+ ddc_line = RADEON_GPIO_MONID;
+ else if (rdev->family >= CHIP_RV350) {
+ ddc_line = RADEON_GPIO_MONID;
+ ddc = DDC_MONID;
} else
ddc_line = RADEON_GPIO_CRT2_DDC;
break;
@@ -709,26 +724,42 @@ void radeon_combios_i2c_init(struct radeon_device *rdev)
struct drm_device *dev = rdev->ddev;
struct radeon_i2c_bus_rec i2c;
+ /* actual hw pads
+ * r1xx/rs2xx/rs3xx
+ * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
+ * r200
+ * 0x60, 0x64, 0x68, mm
+ * r300/r350
+ * 0x60, 0x64, mm
+ * rv2xx/rv3xx/rs4xx
+ * 0x60, 0x64, 0x68, gpiopads, mm
+ */
+ /* 0x60 */
i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
-
+ /* 0x64 */
i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
+ /* mm i2c */
i2c.valid = true;
i2c.hw_capable = true;
i2c.mm_i2c = true;
i2c.i2c_id = 0xa0;
rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
- if (rdev->family == CHIP_RS300 ||
- rdev->family == CHIP_RS400 ||
- rdev->family == CHIP_RS480) {
+ if (rdev->family == CHIP_R300 ||
+ rdev->family == CHIP_R350) {
+ /* only 2 sw i2c pads */
+ } else if (rdev->family == CHIP_RS300 ||
+ rdev->family == CHIP_RS400 ||
+ rdev->family == CHIP_RS480) {
u16 offset;
u8 id, blocks, clk, data;
int i;
+ /* 0x68 */
i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
@@ -740,6 +771,7 @@ void radeon_combios_i2c_init(struct radeon_device *rdev)
if (id == 136) {
clk = RBIOS8(offset + 3 + (i * 5) + 3);
data = RBIOS8(offset + 3 + (i * 5) + 4);
+ /* gpiopad */
i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
(1 << clk), (1 << data));
rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
@@ -747,14 +779,15 @@ void radeon_combios_i2c_init(struct radeon_device *rdev)
}
}
}
-
- } else if (rdev->family >= CHIP_R300) {
+ } else if (rdev->family >= CHIP_R200) {
+ /* 0x68 */
i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
} else {
+ /* 0x68 */
i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
-
+ /* 0x6c */
i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
}
@@ -2504,6 +2537,12 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
return true;
}
+static const char *thermal_controller_names[] = {
+ "NONE",
+ "lm63",
+ "adm1032",
+};
+
void radeon_combios_get_power_modes(struct radeon_device *rdev)
{
struct drm_device *dev = rdev->ddev;
@@ -2524,6 +2563,54 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
return;
}
+ /* check for a thermal chip */
+ offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
+ if (offset) {
+ u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
+ struct radeon_i2c_bus_rec i2c_bus;
+
+ rev = RBIOS8(offset);
+
+ if (rev == 0) {
+ thermal_controller = RBIOS8(offset + 3);
+ gpio = RBIOS8(offset + 4) & 0x3f;
+ i2c_addr = RBIOS8(offset + 5);
+ } else if (rev == 1) {
+ thermal_controller = RBIOS8(offset + 4);
+ gpio = RBIOS8(offset + 5) & 0x3f;
+ i2c_addr = RBIOS8(offset + 6);
+ } else if (rev == 2) {
+ thermal_controller = RBIOS8(offset + 4);
+ gpio = RBIOS8(offset + 5) & 0x3f;
+ i2c_addr = RBIOS8(offset + 6);
+ clk_bit = RBIOS8(offset + 0xa);
+ data_bit = RBIOS8(offset + 0xb);
+ }
+ if ((thermal_controller > 0) && (thermal_controller < 3)) {
+ DRM_INFO("Possible %s thermal controller at 0x%02x\n",
+ thermal_controller_names[thermal_controller],
+ i2c_addr >> 1);
+ if (gpio == DDC_LCD) {
+ /* MM i2c */
+ i2c_bus.valid = true;
+ i2c_bus.hw_capable = true;
+ i2c_bus.mm_i2c = true;
+ i2c_bus.i2c_id = 0xa0;
+ } else if (gpio == DDC_GPIO)
+ i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
+ else
+ i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
+ rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
+ if (rdev->pm.i2c_bus) {
+ struct i2c_board_info info = { };
+ const char *name = thermal_controller_names[thermal_controller];
+ info.addr = i2c_addr >> 1;
+ strlcpy(info.type, name, sizeof(info.type));
+ i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
+ }
+ }
+ }
+
if (rdev->flags & RADEON_IS_MOBILITY) {
offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
if (offset) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-12 16:35:10 +0000