diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_catalog.c')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_catalog.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index 67abb90953e4..393e3d443139 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -90,6 +90,7 @@ aux_lut_value[PHY_AUX_CFG_MAX][DP_AUX_CFG_MAX_VALUE_CNT] = { struct dp_catalog_private { struct device *dev; struct dp_io *io; + u32 (*audio_map)[DP_AUDIO_SDP_HEADER_MAX]; struct dp_catalog dp_catalog; u8 aux_lut_cfg_index[PHY_AUX_CFG_MAX]; }; @@ -1070,3 +1071,194 @@ struct dp_catalog *dp_catalog_get(struct device *dev, struct dp_io *io) return &catalog->dp_catalog; } + +void dp_catalog_audio_get_header(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog; + u32 (*sdp_map)[DP_AUDIO_SDP_HEADER_MAX]; + enum dp_catalog_audio_sdp_type sdp; + enum dp_catalog_audio_header_type header; + + if (!dp_catalog) + return; + + catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + + sdp_map = catalog->audio_map; + sdp = dp_catalog->sdp_type; + header = dp_catalog->sdp_header; + + dp_catalog->audio_data = dp_read_link(catalog, + sdp_map[sdp][header]); +} + +void dp_catalog_audio_set_header(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog; + u32 (*sdp_map)[DP_AUDIO_SDP_HEADER_MAX]; + enum dp_catalog_audio_sdp_type sdp; + enum dp_catalog_audio_header_type header; + u32 data; + + if (!dp_catalog) + return; + + catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + + sdp_map = catalog->audio_map; + sdp = dp_catalog->sdp_type; + header = dp_catalog->sdp_header; + data = dp_catalog->audio_data; + + dp_write_link(catalog, sdp_map[sdp][header], data); +} + +void dp_catalog_audio_config_acr(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog; + u32 acr_ctrl, select; + + if (!dp_catalog) + return; + + catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + + select = dp_catalog->audio_data; + acr_ctrl = select << 4 | BIT(31) | BIT(8) | BIT(14); + + DRM_DEBUG_DP("select = 0x%x, acr_ctrl = 0x%x\n", select, acr_ctrl); + + dp_write_link(catalog, MMSS_DP_AUDIO_ACR_CTRL, acr_ctrl); +} + +void dp_catalog_audio_enable(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog; + bool enable; + u32 audio_ctrl; + + if (!dp_catalog) + return; + + catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + + enable = !!dp_catalog->audio_data; + audio_ctrl = dp_read_link(catalog, MMSS_DP_AUDIO_CFG); + + if (enable) + audio_ctrl |= BIT(0); + else + audio_ctrl &= ~BIT(0); + + DRM_DEBUG_DP("dp_audio_cfg = 0x%x\n", audio_ctrl); + + dp_write_link(catalog, MMSS_DP_AUDIO_CFG, audio_ctrl); + /* make sure audio engine is disabled */ + wmb(); +} + +void dp_catalog_audio_config_sdp(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog; + u32 sdp_cfg = 0; + u32 sdp_cfg2 = 0; + + if (!dp_catalog) + return; + + catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + + sdp_cfg = dp_read_link(catalog, MMSS_DP_SDP_CFG); + /* AUDIO_TIMESTAMP_SDP_EN */ + sdp_cfg |= BIT(1); + /* AUDIO_STREAM_SDP_EN */ + sdp_cfg |= BIT(2); + /* AUDIO_COPY_MANAGEMENT_SDP_EN */ + sdp_cfg |= BIT(5); + /* AUDIO_ISRC_SDP_EN */ + sdp_cfg |= BIT(6); + /* AUDIO_INFOFRAME_SDP_EN */ + sdp_cfg |= BIT(20); + + DRM_DEBUG_DP("sdp_cfg = 0x%x\n", sdp_cfg); + + dp_write_link(catalog, MMSS_DP_SDP_CFG, sdp_cfg); + + sdp_cfg2 = dp_read_link(catalog, MMSS_DP_SDP_CFG2); + /* IFRM_REGSRC -> Do not use reg values */ + sdp_cfg2 &= ~BIT(0); + /* AUDIO_STREAM_HB3_REGSRC-> Do not use reg values */ + sdp_cfg2 &= ~BIT(1); + + DRM_DEBUG_DP("sdp_cfg2 = 0x%x\n", sdp_cfg2); + + dp_write_link(catalog, MMSS_DP_SDP_CFG2, sdp_cfg2); +} + +void dp_catalog_audio_init(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog; + + static u32 sdp_map[][DP_AUDIO_SDP_HEADER_MAX] = { + { + MMSS_DP_AUDIO_STREAM_0, + MMSS_DP_AUDIO_STREAM_1, + MMSS_DP_AUDIO_STREAM_1, + }, + { + MMSS_DP_AUDIO_TIMESTAMP_0, + MMSS_DP_AUDIO_TIMESTAMP_1, + MMSS_DP_AUDIO_TIMESTAMP_1, + }, + { + MMSS_DP_AUDIO_INFOFRAME_0, + MMSS_DP_AUDIO_INFOFRAME_1, + MMSS_DP_AUDIO_INFOFRAME_1, + }, + { + MMSS_DP_AUDIO_COPYMANAGEMENT_0, + MMSS_DP_AUDIO_COPYMANAGEMENT_1, + MMSS_DP_AUDIO_COPYMANAGEMENT_1, + }, + { + MMSS_DP_AUDIO_ISRC_0, + MMSS_DP_AUDIO_ISRC_1, + MMSS_DP_AUDIO_ISRC_1, + }, + }; + + if (!dp_catalog) + return; + + catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + + catalog->audio_map = sdp_map; +} + +void dp_catalog_audio_sfe_level(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog; + u32 mainlink_levels, safe_to_exit_level; + + if (!dp_catalog) + return; + + catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + + safe_to_exit_level = dp_catalog->audio_data; + mainlink_levels = dp_read_link(catalog, REG_DP_MAINLINK_LEVELS); + mainlink_levels &= 0xFE0; + mainlink_levels |= safe_to_exit_level; + + DRM_DEBUG_DP("mainlink_level = 0x%x, safe_to_exit_level = 0x%x\n", + mainlink_levels, safe_to_exit_level); + + dp_write_link(catalog, REG_DP_MAINLINK_LEVELS, mainlink_levels); +} |