diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/adv7511/adv7511_drv.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 63 |
1 files changed, 61 insertions, 2 deletions
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 00d6417c177b..b9be86541307 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -132,6 +132,13 @@ static const struct regmap_config adv7511_regmap_config = { .volatile_reg = adv7511_register_volatile, }; +static const struct regmap_config adv7511_packet_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = 0xff, +}; + /* ----------------------------------------------------------------------------- * Hardware configuration */ @@ -886,9 +893,18 @@ static int adv7511_bridge_hdmi_clear_infoframe(struct drm_bridge *bridge, struct adv7511 *adv7511 = bridge_to_adv7511(bridge); switch (type) { + case HDMI_INFOFRAME_TYPE_AUDIO: + adv7511_packet_disable(adv7511, ADV7511_PACKET_ENABLE_AUDIO_INFOFRAME); + break; case HDMI_INFOFRAME_TYPE_AVI: adv7511_packet_disable(adv7511, ADV7511_PACKET_ENABLE_AVI_INFOFRAME); break; + case HDMI_INFOFRAME_TYPE_SPD: + adv7511_packet_disable(adv7511, ADV7511_PACKET_ENABLE_SPD); + break; + case HDMI_INFOFRAME_TYPE_VENDOR: + adv7511_packet_disable(adv7511, ADV7511_PACKET_ENABLE_SPARE1); + break; default: drm_dbg_driver(adv7511->bridge.dev, "Unsupported HDMI InfoFrame %x\n", type); break; @@ -903,16 +919,52 @@ static int adv7511_bridge_hdmi_write_infoframe(struct drm_bridge *bridge, { struct adv7511 *adv7511 = bridge_to_adv7511(bridge); - adv7511_bridge_hdmi_clear_infoframe(bridge, type); - switch (type) { + case HDMI_INFOFRAME_TYPE_AUDIO: + /* send current Audio infoframe values while updating */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE, + BIT(5), BIT(5)); + + /* The Audio infoframe id is not configurable */ + regmap_bulk_write(adv7511->regmap, ADV7511_REG_AUDIO_INFOFRAME_VERSION, + buffer + 1, len - 1); + + /* use Audio infoframe updated info */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE, + BIT(5), 0); + + adv7511_packet_enable(adv7511, ADV7511_PACKET_ENABLE_AUDIO_INFOFRAME); + break; case HDMI_INFOFRAME_TYPE_AVI: + /* send current AVI infoframe values while updating */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE, + BIT(6), BIT(6)); + /* The AVI infoframe id is not configurable */ regmap_bulk_write(adv7511->regmap, ADV7511_REG_AVI_INFOFRAME_VERSION, buffer + 1, len - 1); + regmap_write(adv7511->regmap, ADV7511_REG_AUDIO_INFOFRAME_LENGTH, 0x2); + regmap_write(adv7511->regmap, ADV7511_REG_AUDIO_INFOFRAME(1), 0x1); + + /* use AVI infoframe updated info */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE, + BIT(6), 0); + adv7511_packet_enable(adv7511, ADV7511_PACKET_ENABLE_AVI_INFOFRAME); break; + case HDMI_INFOFRAME_TYPE_SPD: + adv7511_packet_disable(adv7511, ADV7511_PACKET_ENABLE_SPD); + regmap_bulk_write(adv7511->regmap_packet, ADV7511_PACKET_SPD(0), + buffer, len); + adv7511_packet_enable(adv7511, ADV7511_PACKET_ENABLE_SPD); + break; + case HDMI_INFOFRAME_TYPE_VENDOR: + adv7511_packet_disable(adv7511, ADV7511_PACKET_ENABLE_SPARE1); + regmap_bulk_write(adv7511->regmap_packet, ADV7511_PACKET_SPARE1(0), + buffer, len); + adv7511_packet_enable(adv7511, ADV7511_PACKET_ENABLE_SPARE1); + break; default: drm_dbg_driver(adv7511->bridge.dev, "Unsupported HDMI InfoFrame %x\n", type); break; @@ -1242,6 +1294,13 @@ static int adv7511_probe(struct i2c_client *i2c) goto err_i2c_unregister_edid; } + adv7511->regmap_packet = devm_regmap_init_i2c(adv7511->i2c_packet, + &adv7511_packet_config); + if (IS_ERR(adv7511->regmap_packet)) { + ret = PTR_ERR(adv7511->regmap_packet); + goto err_i2c_unregister_packet; + } + regmap_write(adv7511->regmap, ADV7511_REG_PACKET_I2C_ADDR, adv7511->i2c_packet->addr << 1); |