]> git.karo-electronics.de Git - linux-beck.git/blobdiff - drivers/gpu/drm/radeon/radeon_encoders.c
drm/radeon/kms: add initial Evergreen support (Radeon HD 5xxx)
[linux-beck.git] / drivers / gpu / drm / radeon / radeon_encoders.c
index f7d6078876c57902505945fc2b22fafeaf1ac15d..bc926ea0a530e014c2b075fed8ac35e0a94d04ae 100644 (file)
@@ -53,7 +53,7 @@ static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
        /* DVO requires 2x ppll clocks depending on tmds chip */
        if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT)
                return index_mask;
-       
+
        count = -1;
        list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) {
                struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder);
@@ -671,6 +671,18 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
  * - 2 DIG encoder blocks.
  * DIG1/2 can drive UNIPHY0/1/2 link A or link B
  *
+ * DCE 4.0
+ * - 3 DIG transmitter blocks UNPHY0/1/2 (links A and B).
+ * Supports up to 6 digital outputs
+ * - 6 DIG encoder blocks.
+ * - DIG to PHY mapping is hardcoded
+ * DIG1 drives UNIPHY0 link A, A+B
+ * DIG2 drives UNIPHY0 link B
+ * DIG3 drives UNIPHY1 link A, A+B
+ * DIG4 drives UNIPHY1 link B
+ * DIG5 drives UNIPHY2 link A, A+B
+ * DIG6 drives UNIPHY2 link B
+ *
  * Routing
  * crtc -> dig encoder -> UNIPHY/LVTMA (1 or 2 links)
  * Examples:
@@ -679,7 +691,14 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
  * crtc0 -> dig1 -> UNIPHY2 link  A   -> LVDS
  * crtc1 -> dig2 -> UNIPHY1 link  B+A -> TMDS/HDMI
  */
-static void
+
+union dig_encoder_control {
+       DIG_ENCODER_CONTROL_PS_ALLOCATION v1;
+       DIG_ENCODER_CONTROL_PARAMETERS_V2 v2;
+       DIG_ENCODER_CONTROL_PARAMETERS_V3 v3;
+};
+
+void
 atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 {
        struct drm_device *dev = encoder->dev;
@@ -688,7 +707,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
        struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
        struct radeon_connector_atom_dig *dig_connector =
                radeon_get_atom_connector_priv_from_encoder(encoder);
-       DIG_ENCODER_CONTROL_PS_ALLOCATION args;
+       union dig_encoder_control args;
        int index = 0, num = 0;
        uint8_t frev, crev;
 
@@ -697,56 +716,53 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 
        memset(&args, 0, sizeof(args));
 
-       if (dig->dig_encoder)
-               index = GetIndexIntoMasterTable(COMMAND, DIG2EncoderControl);
-       else
-               index = GetIndexIntoMasterTable(COMMAND, DIG1EncoderControl);
+       if (ASIC_IS_DCE4(rdev))
+               index = GetIndexIntoMasterTable(COMMAND, DIGxEncoderControl);
+       else {
+               if (dig->dig_encoder)
+                       index = GetIndexIntoMasterTable(COMMAND, DIG2EncoderControl);
+               else
+                       index = GetIndexIntoMasterTable(COMMAND, DIG1EncoderControl);
+       }
        num = dig->dig_encoder + 1;
 
        atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
 
-       args.ucAction = action;
-       args.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
+       args.v1.ucAction = action;
+       args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
+       args.v1.ucEncoderMode = atombios_get_encoder_mode(encoder);
 
-       if (ASIC_IS_DCE32(rdev)) {
+       if (args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) {
+               if (dig_connector->dp_clock == 270000)
+                       args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
+               args.v1.ucLaneNum = dig_connector->dp_lane_count;
+       } else if (radeon_encoder->pixel_clock > 165000)
+               args.v1.ucLaneNum = 8;
+       else
+               args.v1.ucLaneNum = 4;
+
+       if (ASIC_IS_DCE4(rdev)) {
+               args.v3.acConfig.ucDigSel = dig->dig_encoder;
+               args.v3.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+       } else {
                switch (radeon_encoder->encoder_id) {
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-                       args.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER1;
+                       args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER1;
                        break;
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
-                       args.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER2;
+               case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
+                       args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER2;
                        break;
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
-                       args.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER3;
-                       break;
-               }
-       } else {
-               switch (radeon_encoder->encoder_id) {
-               case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-                       args.ucConfig = ATOM_ENCODER_CONFIG_TRANSMITTER1;
-                       break;
-               case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
-                       args.ucConfig = ATOM_ENCODER_CONFIG_TRANSMITTER2;
+                       args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER3;
                        break;
                }
+               if (dig_connector->linkb)
+                       args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
+               else
+                       args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
        }
 
-       args.ucEncoderMode = atombios_get_encoder_mode(encoder);
-
-       if (args.ucEncoderMode == ATOM_ENCODER_MODE_DP) {
-               if (dig_connector->dp_clock == 270000)
-                       args.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
-               args.ucLaneNum = dig_connector->dp_lane_count;
-       } else if (radeon_encoder->pixel_clock > 165000)
-               args.ucLaneNum = 8;
-       else
-               args.ucLaneNum = 4;
-
-       if (dig_connector->linkb)
-               args.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
-       else
-               args.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
-
        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 
 }
@@ -754,6 +770,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 union dig_transmitter_control {
        DIG_TRANSMITTER_CONTROL_PS_ALLOCATION v1;
        DIG_TRANSMITTER_CONTROL_PARAMETERS_V2 v2;
+       DIG_TRANSMITTER_CONTROL_PARAMETERS_V3 v3;
 };
 
 void
@@ -771,6 +788,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
        int index = 0, num = 0;
        uint8_t frev, crev;
        bool is_dp = false;
+       int pll_id = 0;
 
        if (!dig || !dig_connector)
                return;
@@ -783,7 +801,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 
        memset(&args, 0, sizeof(args));
 
-       if (ASIC_IS_DCE32(rdev))
+       if (ASIC_IS_DCE32(rdev) || ASIC_IS_DCE4(rdev))
                index = GetIndexIntoMasterTable(COMMAND, UNIPHYTransmitterControl);
        else {
                switch (radeon_encoder->encoder_id) {
@@ -813,7 +831,54 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
                else
                        args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
        }
-       if (ASIC_IS_DCE32(rdev)) {
+       if (ASIC_IS_DCE4(rdev)) {
+               if (is_dp)
+                       args.v3.ucLaneNum = dig_connector->dp_lane_count;
+               else if (radeon_encoder->pixel_clock > 165000)
+                       args.v3.ucLaneNum = 8;
+               else
+                       args.v3.ucLaneNum = 4;
+
+               if (dig_connector->linkb) {
+                       args.v3.acConfig.ucLinkSel = 1;
+                       args.v3.acConfig.ucEncoderSel = 1;
+               }
+
+               /* Select the PLL for the PHY
+                * DP PHY should be clocked from external src if there is
+                * one.
+                */
+               if (encoder->crtc) {
+                       struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
+                       pll_id = radeon_crtc->pll_id;
+               }
+               if (is_dp && rdev->clock.dp_extclk)
+                       args.v3.acConfig.ucRefClkSource = 2; /* external src */
+               else
+                       args.v3.acConfig.ucRefClkSource = pll_id;
+
+               switch (radeon_encoder->encoder_id) {
+               case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+                       args.v3.acConfig.ucTransmitterSel = 0;
+                       num = 0;
+                       break;
+               case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+                       args.v3.acConfig.ucTransmitterSel = 1;
+                       num = 1;
+                       break;
+               case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+                       args.v3.acConfig.ucTransmitterSel = 2;
+                       num = 2;
+                       break;
+               }
+
+               if (is_dp)
+                       args.v3.acConfig.fCoherentMode = 1; /* DP requires coherent */
+               else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
+                       if (dig->coherent_mode)
+                               args.v3.acConfig.fCoherentMode = 1;
+               }
+       } else if (ASIC_IS_DCE32(rdev)) {
                if (dig->dig_encoder == 1)
                        args.v2.acConfig.ucEncoderSel = 1;
                if (dig_connector->linkb)
@@ -841,7 +906,6 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
                                args.v2.acConfig.fCoherentMode = 1;
                }
        } else {
-
                args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL;
 
                if (dig->dig_encoder)
@@ -1102,10 +1166,26 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
                                dig = radeon_encoder->enc_priv;
-                               if (dig->dig_encoder)
-                                       args.v2.ucEncoderID = ASIC_INT_DIG2_ENCODER_ID;
-                               else
+                               switch (dig->dig_encoder) {
+                               case 0:
                                        args.v2.ucEncoderID = ASIC_INT_DIG1_ENCODER_ID;
+                                       break;
+                               case 1:
+                                       args.v2.ucEncoderID = ASIC_INT_DIG2_ENCODER_ID;
+                                       break;
+                               case 2:
+                                       args.v2.ucEncoderID = ASIC_INT_DIG3_ENCODER_ID;
+                                       break;
+                               case 3:
+                                       args.v2.ucEncoderID = ASIC_INT_DIG4_ENCODER_ID;
+                                       break;
+                               case 4:
+                                       args.v2.ucEncoderID = ASIC_INT_DIG5_ENCODER_ID;
+                                       break;
+                               case 5:
+                                       args.v2.ucEncoderID = ASIC_INT_DIG6_ENCODER_ID;
+                                       break;
+                               }
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
                                args.v2.ucEncoderID = ASIC_INT_DVO_ENCODER_ID;
@@ -1162,6 +1242,7 @@ atombios_apply_encoder_quirks(struct drm_encoder *encoder,
        }
 
        /* set scaler clears this on some chips */
+       /* XXX check DCE4 */
        if (!(radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))) {
                if (ASIC_IS_AVIVO(rdev) && (mode->flags & DRM_MODE_FLAG_INTERLACE))
                        WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
@@ -1178,6 +1259,33 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
        struct drm_encoder *test_encoder;
        struct radeon_encoder_atom_dig *dig;
        uint32_t dig_enc_in_use = 0;
+
+       if (ASIC_IS_DCE4(rdev)) {
+               struct radeon_connector_atom_dig *dig_connector =
+                       radeon_get_atom_connector_priv_from_encoder(encoder);
+
+               switch (radeon_encoder->encoder_id) {
+               case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+                       if (dig_connector->linkb)
+                               return 1;
+                       else
+                               return 0;
+                       break;
+               case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+                       if (dig_connector->linkb)
+                               return 3;
+                       else
+                               return 2;
+                       break;
+               case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+                       if (dig_connector->linkb)
+                               return 5;
+                       else
+                               return 4;
+                       break;
+               }
+       }
+
        /* on DCE32 and encoder can driver any block so just crtc id */
        if (ASIC_IS_DCE32(rdev)) {
                return radeon_crtc->crtc_id;
@@ -1249,15 +1357,26 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
-               /* disable the encoder and transmitter */
-               atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
-               atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
-
-               /* setup and enable the encoder and transmitter */
-               atombios_dig_encoder_setup(encoder, ATOM_ENABLE);
-               atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
-               atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
-               atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
+               if (ASIC_IS_DCE4(rdev)) {
+                       /* disable the transmitter */
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+                       /* setup and enable the encoder */
+                       atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP);
+
+                       /* init and enable the transmitter */
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
+               } else {
+                       /* disable the encoder and transmitter */
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+                       atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+
+                       /* setup and enable the encoder and transmitter */
+                       atombios_dig_encoder_setup(encoder, ATOM_ENABLE);
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
+               }
                break;
        case ENCODER_OBJECT_ID_INTERNAL_DDI:
                atombios_ddia_setup(encoder, ATOM_ENABLE);
@@ -1277,7 +1396,9 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
        }
        atombios_apply_encoder_quirks(encoder, adjusted_mode);
 
-       r600_hdmi_setmode(encoder, adjusted_mode);
+       /* XXX */
+       if (!ASIC_IS_DCE4(rdev))
+               r600_hdmi_setmode(encoder, adjusted_mode);
 }
 
 static bool
@@ -1475,10 +1596,18 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t su
                return;
 
        encoder = &radeon_encoder->base;
-       if (rdev->flags & RADEON_SINGLE_CRTC)
+       switch (rdev->num_crtc) {
+       case 1:
                encoder->possible_crtcs = 0x1;
-       else
+               break;
+       case 2:
+       default:
                encoder->possible_crtcs = 0x3;
+               break;
+       case 6:
+               encoder->possible_crtcs = 0x3f;
+               break;
+       }
 
        radeon_encoder->enc_priv = NULL;