diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 94 |
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); } } |