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Date: Thu, 3 Sep 2020 14:53:49 +0530
From: Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
To: Stephen Boyd <swboyd@...omium.org>, agross@...nel.org,
alsa-devel@...a-project.org, bgoswami@...eaurora.org,
bjorn.andersson@...aro.org, broonie@...nel.org,
devicetree@...r.kernel.org, lgirdwood@...il.com,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
perex@...ex.cz, plai@...eaurora.org, robh+dt@...nel.org,
rohitkr@...eaurora.org, srinivas.kandagatla@...aro.org,
tiwai@...e.com
Cc: V Sujith Kumar Reddy <vsujithk@...eaurora.org>
Subject: Re: [PATCH v3 4/5] ASoC: qcom: Add support for audio over DP
Thanks Stephen, for your time for review!!!
On 9/1/2020 1:02 PM, Stephen Boyd wrote:
> Quoting Srinivasa Rao Mandadapu (2020-08-30 23:39:23)
>> diff --git a/sound/soc/qcom/lpass-sc7180.c b/sound/soc/qcom/lpass-sc7180.c
>> index 167bf2c..cea7ae7 100644
>> --- a/sound/soc/qcom/lpass-sc7180.c
>> +++ b/sound/soc/qcom/lpass-sc7180.c
>> @@ -190,15 +232,92 @@ static struct lpass_variant sc7180_data = {
>> "mi2s-bit-clk0",
>> "mi2s-bit-clk1",
>> },
>> + .id = I2S_INTERFACE,
>> .init = sc7180_lpass_init,
>> .exit = sc7180_lpass_exit,
>> .alloc_dma_channel = sc7180_lpass_alloc_dma_channel,
>> .free_dma_channel = sc7180_lpass_free_dma_channel,
>> };
>>
>> +static struct lpass_variant sc7180_hdmi_data = {
> Can this be const?
Yes this can be constant. will change in next patch.
>
>> + .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,
>> + .irq_reg_base = 0x63000,
>> + .irq_ports = 1,
>> + .rdma_reg_base = 0x64000,
>> + .rdma_reg_stride = 0x1000,
>> + .rdma_channels = 4,
>> +
>> + .rdma_dyncclk = REG_FIELD_ID(0x64000, 14, 14, 4, 0x1000),
>> + .rdma_bursten = REG_FIELD_ID(0x64000, 13, 13, 4, 0x1000),
>> + .rdma_burst8 = REG_FIELD_ID(0x64000, 15, 15, 4, 0x1000),
>> + .rdma_burst16 = REG_FIELD_ID(0x64000, 16, 16, 4, 0x1000),
>> + .rdma_dynburst = REG_FIELD_ID(0x64000, 18, 18, 4, 0x1000),
>> + .rdma_wpscnt = REG_FIELD_ID(0x64000, 10, 12, 4, 0x1000),
>> + .rdma_fifowm = REG_FIELD_ID(0x64000, 1, 5, 4, 0x1000),
>> + .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",
>> + "pcnoc-mport-clk",
>> + },
>> + .num_clks = 3,
>> + .id = HDMI_INTERFACE,
>> + .dai_driver = sc7180_lpass_cpu_hdmi_dai_driver,
>> + .num_dai = ARRAY_SIZE(sc7180_lpass_cpu_hdmi_dai_driver),
>> + .init = sc7180_lpass_init,
>> + .exit = sc7180_lpass_exit,
>> + .alloc_dma_channel = sc7180_lpass_alloc_hdmi_dma_channel,
>> + .free_dma_channel = sc7180_lpass_free_hdmi_dma_channel,
>> +
>> +};
> Add a newline here?
okay
>
>> static const struct of_device_id sc7180_lpass_cpu_device_id[] = {
>> {.compatible = "qcom,sc7180-lpass-cpu", .data = &sc7180_data},
>> - {}
>> + {.compatible = "qcom,sc7180-lpass-hdmi", .data = &sc7180_hdmi_data}
> This most likely needs to keep the sentinel around so that a match can
> be made or stop if nothing is found.
okay..
>
>> };
>>
--
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