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Date: Tue, 01 Sep 2020 00:32:09 -0700
From: Stephen Boyd <swboyd@...omium.org>
To: Srinivasa Rao Mandadapu <srivasam@...eaurora.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>,
Srinivasa Rao <srivasam@...eaurora.org>
Subject: Re: [PATCH v3 4/5] ASoC: qcom: Add support for audio over DP
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?
> + .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?
> 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.
> };
>
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