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path: root/drivers/gpu/drm/radeon/radeon_atombios.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c94
1 files changed, 80 insertions, 14 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index a841adead1a1..dc9102fc7ed5 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -48,7 +48,8 @@ radeon_add_atom_connector(struct drm_device *dev,
struct radeon_i2c_bus_rec *i2c_bus,
bool linkb, uint32_t igp_lane_info,
uint16_t connector_object_id,
- struct radeon_hpd *hpd);
+ struct radeon_hpd *hpd,
+ struct radeon_router *router);
/* from radeon_legacy_encoder.c */
extern void
@@ -460,13 +461,15 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
u16 size, data_offset;
u8 frev, crev;
ATOM_CONNECTOR_OBJECT_TABLE *con_obj;
+ ATOM_OBJECT_TABLE *router_obj;
ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
ATOM_OBJECT_HEADER *obj_header;
- int i, j, path_size, device_support;
+ int i, j, k, path_size, device_support;
int connector_type;
u16 igp_lane_info, conn_id, connector_object_id;
bool linkb;
struct radeon_i2c_bus_rec ddc_bus;
+ struct radeon_router router;
struct radeon_gpio_rec gpio;
struct radeon_hpd hpd;
@@ -476,6 +479,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
if (crev < 2)
return false;
+ router.valid = false;
+
obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
(ctx->bios + data_offset +
@@ -483,6 +488,9 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *)
(ctx->bios + data_offset +
le16_to_cpu(obj_header->usConnectorObjectTableOffset));
+ router_obj = (ATOM_OBJECT_TABLE *)
+ (ctx->bios + data_offset +
+ le16_to_cpu(obj_header->usRouterObjectTableOffset));
device_support = le16_to_cpu(obj_header->usDeviceSupport);
path_size = 0;
@@ -569,33 +577,86 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
if (connector_type == DRM_MODE_CONNECTOR_Unknown)
continue;
- for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2);
- j++) {
- uint8_t enc_obj_id, enc_obj_num, enc_obj_type;
+ for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
+ uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
- enc_obj_id =
+ grph_obj_id =
(le16_to_cpu(path->usGraphicObjIds[j]) &
OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
- enc_obj_num =
+ grph_obj_num =
(le16_to_cpu(path->usGraphicObjIds[j]) &
ENUM_ID_MASK) >> ENUM_ID_SHIFT;
- enc_obj_type =
+ grph_obj_type =
(le16_to_cpu(path->usGraphicObjIds[j]) &
OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
- /* FIXME: add support for router objects */
- if (enc_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
- if (enc_obj_num == 2)
+ if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
+ if (grph_obj_num == 2)
linkb = true;
else
linkb = false;
radeon_add_atom_encoder(dev,
- enc_obj_id,
+ grph_obj_id,
le16_to_cpu
(path->
usDeviceTag));
+ } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
+ router.valid = false;
+ for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
+ u16 router_obj_id = le16_to_cpu(router_obj->asObjects[j].usObjectID);
+ if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
+ ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
+ (ctx->bios + data_offset +
+ le16_to_cpu(router_obj->asObjects[k].usRecordOffset));
+ ATOM_I2C_RECORD *i2c_record;
+ ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
+ ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
+ ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
+ (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
+ (ctx->bios + data_offset +
+ le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset));
+ int enum_id;
+
+ router.router_id = router_obj_id;
+ for (enum_id = 0; enum_id < router_src_dst_table->ucNumberOfDst;
+ enum_id++) {
+ if (le16_to_cpu(path->usConnObjectId) ==
+ le16_to_cpu(router_src_dst_table->usDstObjectID[enum_id]))
+ break;
+ }
+
+ while (record->ucRecordType > 0 &&
+ record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
+ switch (record->ucRecordType) {
+ case ATOM_I2C_RECORD_TYPE:
+ i2c_record =
+ (ATOM_I2C_RECORD *)
+ record;
+ i2c_config =
+ (ATOM_I2C_ID_CONFIG_ACCESS *)
+ &i2c_record->sucI2cId;
+ router.i2c_info =
+ radeon_lookup_i2c_gpio(rdev,
+ i2c_config->
+ ucAccess);
+ router.i2c_addr = i2c_record->ucI2CAddr >> 1;
+ break;
+ case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
+ ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
+ record;
+ router.valid = true;
+ router.mux_type = ddc_path->ucMuxType;
+ router.mux_control_pin = ddc_path->ucMuxControlPin;
+ router.mux_state = ddc_path->ucMuxState[enum_id];
+ break;
+ }
+ record = (ATOM_COMMON_RECORD_HEADER *)
+ ((char *)record + record->ucRecordSize);
+ }
+ }
+ }
}
}
@@ -675,7 +736,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
connector_type, &ddc_bus,
linkb, igp_lane_info,
connector_object_id,
- &hpd);
+ &hpd,
+ &router);
}
}
@@ -752,6 +814,9 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
int i, j, max_device;
struct bios_connector *bios_connectors;
size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE;
+ struct radeon_router router;
+
+ router.valid = false;
bios_connectors = kzalloc(bc_size, GFP_KERNEL);
if (!bios_connectors)
@@ -923,7 +988,8 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
&bios_connectors[i].ddc_bus,
false, 0,
connector_object_id,
- &bios_connectors[i].hpd);
+ &bios_connectors[i].hpd,
+ &router);
}
}