From: V Sujith Kumar Reddy vsujithk@codeaurora.org
Add support for audio playback over DP in lpass sc7180 platform driver. Update lpass_variant structure for hdmi data configuaration.
Signed-off-by: V Sujith Kumar Reddy vsujithk@codeaurora.org Signed-off-by: Srinivasa Rao srivasam@codeaurora.org --- sound/soc/qcom/lpass-sc7180.c | 116 +++++++++++++++++++++++++++++++++++++----- 1 file changed, 102 insertions(+), 14 deletions(-)
diff --git a/sound/soc/qcom/lpass-sc7180.c b/sound/soc/qcom/lpass-sc7180.c index a8a3d8f..c6292f9e 100644 --- a/sound/soc/qcom/lpass-sc7180.c +++ b/sound/soc/qcom/lpass-sc7180.c @@ -60,38 +60,65 @@ static struct snd_soc_dai_driver sc7180_lpass_cpu_dai_driver[] = { .probe = &asoc_qcom_lpass_cpu_dai_probe, .ops = &asoc_qcom_lpass_cpu_dai_ops, }, + [LPASS_DP_RX] = { + .id = LPASS_DP_RX, + .name = "Hdmi", + .playback = { + .stream_name = "Hdmi Playback", + .formats = SNDRV_PCM_FMTBIT_S24, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + }, + .ops = &asoc_qcom_lpass_hdmi_dai_ops, + }, };
static int sc7180_lpass_alloc_dma_channel(struct lpass_data *drvdata, - int direction) + int direction, unsigned int dai_id) { struct lpass_variant *v = drvdata->variant; int chan = 0;
- if (direction == SNDRV_PCM_STREAM_PLAYBACK) { - chan = find_first_zero_bit(&drvdata->dma_ch_bit_map, - v->rdma_channels); + if (dai_id == LPASS_DP_RX) { + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + chan = find_first_zero_bit(&drvdata->hdmi_dma_ch_bit_map, + v->hdmi_rdma_channels); + + if (chan >= v->hdmi_rdma_channels) + return -EBUSY; + } + set_bit(chan, &drvdata->hdmi_dma_ch_bit_map); + } else { + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + chan = find_first_zero_bit(&drvdata->dma_ch_bit_map, + v->rdma_channels);
if (chan >= v->rdma_channels) return -EBUSY; - } else { - chan = find_next_zero_bit(&drvdata->dma_ch_bit_map, + } else { + chan = find_next_zero_bit(&drvdata->dma_ch_bit_map, v->wrdma_channel_start + v->wrdma_channels, v->wrdma_channel_start);
- if (chan >= v->wrdma_channel_start + v->wrdma_channels) - return -EBUSY; - } - - set_bit(chan, &drvdata->dma_ch_bit_map); + if (chan >= v->wrdma_channel_start + v->wrdma_channels) + return -EBUSY; + }
+ set_bit(chan, &drvdata->dma_ch_bit_map); + } return chan; }
-static int sc7180_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) +static int sc7180_lpass_free_dma_channel(struct lpass_data *drvdata, int chan, unsigned int dai_id) { - clear_bit(chan, &drvdata->dma_ch_bit_map); + if (dai_id == LPASS_DP_RX) + clear_bit(chan, &drvdata->hdmi_dma_ch_bit_map); + else + clear_bit(chan, &drvdata->dma_ch_bit_map);
return 0; } @@ -144,6 +171,9 @@ static struct lpass_variant sc7180_data = { .rdma_reg_base = 0xC000, .rdma_reg_stride = 0x1000, .rdma_channels = 5, + .hdmi_rdma_reg_base = 0x64000, + .hdmi_rdma_reg_stride = 0x1000, + .hdmi_rdma_channels = 4, .dmactl_audif_start = 1, .wrdma_reg_base = 0x18000, .wrdma_reg_stride = 0x1000, @@ -163,7 +193,7 @@ static struct lpass_variant sc7180_data = { .rdma_dyncclk = REG_FIELD_ID(0xC000, 21, 21, 5, 0x1000), .rdma_bursten = REG_FIELD_ID(0xC000, 20, 20, 5, 0x1000), .rdma_wpscnt = REG_FIELD_ID(0xC000, 16, 19, 5, 0x1000), - .rdma_intf = REG_FIELD_ID(0xC000, 12, 15, 5, 0x1000), + .rdma_intf = REG_FIELD_ID(0xC000, 12, 15, 5, 0x1000), .rdma_fifowm = REG_FIELD_ID(0xC000, 1, 5, 5, 0x1000), .rdma_enable = REG_FIELD_ID(0xC000, 0, 0, 5, 0x1000),
@@ -174,6 +204,64 @@ static struct lpass_variant sc7180_data = { .wrdma_fifowm = REG_FIELD_ID(0x18000, 1, 5, 4, 0x1000), .wrdma_enable = REG_FIELD_ID(0x18000, 0, 0, 4, 0x1000),
+ .hdmi_tx_ctl_addr = 0x1000, + .hdmi_legacy_addr = 0x1008, + .hdmi_vbit_addr = 0x610c0, + .hdmi_ch_lsb_addr = 0x61048, + .hdmi_ch_msb_addr = 0x6104c, + .ch_stride = 0x8, + .hdmi_parity_addr = 0x61034, + .hdmi_dmactl_addr = 0x61038, + .hdmi_dma_stride = 0x4, + .hdmi_DP_addr = 0x610c8, + .hdmi_sstream_addr = 0x6101c, + .hdmi_irq_reg_base = 0x63000, + .hdmi_irq_ports = 1, + + .hdmi_rdma_dyncclk = REG_FIELD_ID(0x64000, 14, 14, 4, 0x1000), + .hdmi_rdma_bursten = REG_FIELD_ID(0x64000, 13, 13, 4, 0x1000), + .hdmi_rdma_burst8 = REG_FIELD_ID(0x64000, 15, 15, 4, 0x1000), + .hdmi_rdma_burst16 = REG_FIELD_ID(0x64000, 16, 16, 4, 0x1000), + .hdmi_rdma_dynburst = REG_FIELD_ID(0x64000, 18, 18, 4, 0x1000), + .hdmi_rdma_wpscnt = REG_FIELD_ID(0x64000, 10, 12, 4, 0x1000), + .hdmi_rdma_fifowm = REG_FIELD_ID(0x64000, 1, 5, 4, 0x1000), + .hdmi_rdma_enable = REG_FIELD_ID(0x64000, 0, 0, 4, 0x1000), + + .sstream_en = REG_FIELD(0x6101c, 0, 0), + .dma_sel = REG_FIELD(0x6101c, 1, 2), + .auto_bbit_en = REG_FIELD(0x6101c, 3, 3), + .layout = REG_FIELD(0x6101c, 4, 4), + .layout_sp = REG_FIELD(0x6101c, 5, 8), + .set_sp_on_en = REG_FIELD(0x6101c, 10, 10), + .dp_audio = REG_FIELD(0x6101c, 11, 11), + .dp_staffing_en = REG_FIELD(0x6101c, 12, 12), + .dp_sp_b_hw_en = REG_FIELD(0x6101c, 13, 13), + + .mute = REG_FIELD(0x610c8, 0, 0), + .as_sdp_cc = REG_FIELD(0x610c8, 1, 3), + .as_sdp_ct = REG_FIELD(0x610c8, 4, 7), + .aif_db4 = REG_FIELD(0x610c8, 8, 15), + .frequency = REG_FIELD(0x610c8, 16, 21), + .mst_index = REG_FIELD(0x610c8, 28, 29), + .dptx_index = REG_FIELD(0x610c8, 30, 31), + + .soft_reset = REG_FIELD(0x1000, 31, 31), + .force_reset = REG_FIELD(0x1000, 30, 30), + + .use_hw_chs = REG_FIELD(0x61038, 0, 0), + .use_hw_usr = REG_FIELD(0x61038, 1, 1), + .hw_chs_sel = REG_FIELD(0x61038, 2, 4), + .hw_usr_sel = REG_FIELD(0x61038, 5, 6), + + .replace_vbit = REG_FIELD(0x610c0, 0, 0), + .vbit_stream = REG_FIELD(0x610c0, 1, 1), + + .legacy_en = REG_FIELD(0x1008, 0, 0), + .calc_en = REG_FIELD(0x61034, 0, 0), + .lsb_bits = REG_FIELD(0x61048, 0, 31), + .msb_bits = REG_FIELD(0x6104c, 0, 31), + + .clk_name = (const char*[]) { "pcnoc-sway-clk", "audio-core",