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Date: Tue, 20 Oct 2020 12:26:52 +0200
From: Robert Foss <robert.foss@...aro.org>
To: kholk11@...il.com
Cc: Todor Tomov <todor.too@...il.com>, Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>, marijns95@...il.com,
konradybcio@...il.com, martin.botka1@...il.com,
linux-arm-msm@...r.kernel.org,
linux-media <linux-media@...r.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/6] media: camss: Add support for SDM630/636/660 camera subsystem
Looks good to me.
Signed-off-by: Robert Foss <robert.foss@...aro.org>
On Sun, 18 Oct 2020 at 14:53, <kholk11@...il.com> wrote:
>
> From: AngeloGioacchino Del Regno <kholk11@...il.com>
>
> Add support for the Qualcomm SDM630/636/660 and SDA variants' camera
> subsystem. These SoCs are equipped with:
> - 3x CSI PHY 3-Phase v1.0 (downstream csiphy-v3.5)
> - 4x CSID v5.0
> - 2x ISPIF v3.0
> - 2x VFE 4.8
> As a note, this camera subsystem is very similar to the one that
> is found in the MSM8998/APQ8098 SoCs.
>
> Signed-off-by: AngeloGioacchino Del Regno <kholk11@...il.com>
> ---
> .../media/platform/qcom/camss/camss-csid.c | 9 +-
> .../media/platform/qcom/camss/camss-csiphy.c | 3 +-
> .../media/platform/qcom/camss/camss-ispif.c | 17 +-
> drivers/media/platform/qcom/camss/camss-vfe.c | 19 +-
> .../media/platform/qcom/camss/camss-video.c | 3 +-
> drivers/media/platform/qcom/camss/camss.c | 206 +++++++++++++++++-
> drivers/media/platform/qcom/camss/camss.h | 1 +
> 7 files changed, 238 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
> index 2ffcda06706b..be3fe76f3dc3 100644
> --- a/drivers/media/platform/qcom/camss/camss-csid.c
> +++ b/drivers/media/platform/qcom/camss/camss-csid.c
> @@ -383,7 +383,8 @@ static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code,
> return 0;
>
> return sink_code;
> - } else if (csid->camss->version == CAMSS_8x96) {
> + } else if (csid->camss->version == CAMSS_8x96 ||
> + csid->camss->version == CAMSS_660) {
> switch (sink_code) {
> case MEDIA_BUS_FMT_SBGGR10_1X10:
> {
> @@ -718,7 +719,8 @@ static int csid_set_stream(struct v4l2_subdev *sd, int enable)
> val |= df << CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT;
> val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP;
>
> - if (csid->camss->version == CAMSS_8x96) {
> + if (csid->camss->version == CAMSS_8x96 ||
> + csid->camss->version == CAMSS_660) {
> u32 sink_code = csid->fmt[MSM_CSID_PAD_SINK].code;
> u32 src_code = csid->fmt[MSM_CSID_PAD_SRC].code;
>
> @@ -1098,7 +1100,8 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
> csid->formats = csid_formats_8x16;
> csid->nformats =
> ARRAY_SIZE(csid_formats_8x16);
> - } else if (camss->version == CAMSS_8x96) {
> + } else if (camss->version == CAMSS_8x96 ||
> + camss->version == CAMSS_660) {
> csid->formats = csid_formats_8x96;
> csid->nformats =
> ARRAY_SIZE(csid_formats_8x96);
> diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
> index 03ef9c5f4774..c00f25aac21b 100644
> --- a/drivers/media/platform/qcom/camss/camss-csiphy.c
> +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
> @@ -552,7 +552,8 @@ int msm_csiphy_subdev_init(struct camss *camss,
> csiphy->ops = &csiphy_ops_2ph_1_0;
> csiphy->formats = csiphy_formats_8x16;
> csiphy->nformats = ARRAY_SIZE(csiphy_formats_8x16);
> - } else if (camss->version == CAMSS_8x96) {
> + } else if (camss->version == CAMSS_8x96 ||
> + camss->version == CAMSS_660) {
> csiphy->ops = &csiphy_ops_3ph_1_0;
> csiphy->formats = csiphy_formats_8x96;
> csiphy->nformats = ARRAY_SIZE(csiphy_formats_8x96);
> diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c
> index 252db6b33dab..adeb92808998 100644
> --- a/drivers/media/platform/qcom/camss/camss-ispif.c
> +++ b/drivers/media/platform/qcom/camss/camss-ispif.c
> @@ -263,6 +263,7 @@ static irqreturn_t ispif_isr_8x16(int irq, void *dev)
>
> static int ispif_vfe_reset(struct ispif_device *ispif, u8 vfe_id)
> {
> + unsigned long time;
> u32 val;
>
> if (vfe_id > (to_camss(ispif)->vfe_num - 1)) {
> @@ -315,7 +316,6 @@ static int ispif_vfe_reset(struct ispif_device *ispif, u8 vfe_id)
> */
> static int ispif_reset(struct ispif_device *ispif, u8 vfe_id)
> {
> - unsigned long time;
> int ret;
>
> ret = camss_pm_domain_on(to_camss(ispif), PM_DOMAIN_VFE0);
> @@ -825,7 +825,8 @@ static int ispif_set_stream(struct v4l2_subdev *sd, int enable)
> ispif_select_csid(ispif, intf, csid, vfe, 1);
> ispif_select_cid(ispif, intf, cid, vfe, 1);
> ispif_config_irq(ispif, intf, vfe, 1);
> - if (to_camss(ispif)->version == CAMSS_8x96)
> + if (to_camss(ispif)->version == CAMSS_8x96 ||
> + to_camss(ispif)->version == CAMSS_660)
> ispif_config_pack(ispif,
> line->fmt[MSM_ISPIF_PAD_SINK].code,
> intf, cid, vfe, 1);
> @@ -842,7 +843,8 @@ static int ispif_set_stream(struct v4l2_subdev *sd, int enable)
> return ret;
>
> mutex_lock(&ispif->config_lock);
> - if (to_camss(ispif)->version == CAMSS_8x96)
> + if (to_camss(ispif)->version == CAMSS_8x96 ||
> + to_camss(ispif)->version == CAMSS_660)
> ispif_config_pack(ispif,
> line->fmt[MSM_ISPIF_PAD_SINK].code,
> intf, cid, vfe, 0);
> @@ -1098,7 +1100,8 @@ int msm_ispif_subdev_init(struct ispif_device *ispif,
> /* Number of ISPIF lines - same as number of CSID hardware modules */
> if (to_camss(ispif)->version == CAMSS_8x16)
> ispif->line_num = 2;
> - else if (to_camss(ispif)->version == CAMSS_8x96)
> + else if (to_camss(ispif)->version == CAMSS_8x96 ||
> + to_camss(ispif)->version == CAMSS_660)
> ispif->line_num = 4;
> else
> return -EINVAL;
> @@ -1116,7 +1119,8 @@ int msm_ispif_subdev_init(struct ispif_device *ispif,
> ispif->line[i].formats = ispif_formats_8x16;
> ispif->line[i].nformats =
> ARRAY_SIZE(ispif_formats_8x16);
> - } else if (to_camss(ispif)->version == CAMSS_8x96) {
> + } else if (to_camss(ispif)->version == CAMSS_8x96 ||
> + to_camss(ispif)->version == CAMSS_660) {
> ispif->line[i].formats = ispif_formats_8x96;
> ispif->line[i].nformats =
> ARRAY_SIZE(ispif_formats_8x96);
> @@ -1156,7 +1160,8 @@ int msm_ispif_subdev_init(struct ispif_device *ispif,
> if (to_camss(ispif)->version == CAMSS_8x16)
> ret = devm_request_irq(dev, ispif->irq, ispif_isr_8x16,
> IRQF_TRIGGER_RISING, ispif->irq_name, ispif);
> - else if (to_camss(ispif)->version == CAMSS_8x96)
> + else if (to_camss(ispif)->version == CAMSS_8x96 ||
> + to_camss(ispif)->version == CAMSS_660)
> ret = devm_request_irq(dev, ispif->irq, ispif_isr_8x96,
> IRQF_TRIGGER_RISING, ispif->irq_name, ispif);
> else
> diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
> index b7d2293a5004..fae2b513b2f9 100644
> --- a/drivers/media/platform/qcom/camss/camss-vfe.c
> +++ b/drivers/media/platform/qcom/camss/camss-vfe.c
> @@ -205,7 +205,8 @@ static u32 vfe_src_pad_code(struct vfe_line *line, u32 sink_code,
>
> return sink_code;
> }
> - else if (vfe->camss->version == CAMSS_8x96)
> + else if (vfe->camss->version == CAMSS_8x96 ||
> + vfe->camss->version == CAMSS_660)
> switch (sink_code) {
> case MEDIA_BUS_FMT_YUYV8_2X8:
> {
> @@ -1991,12 +1992,19 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
> vfe->isr_ops.comp_done = vfe_isr_comp_done;
> vfe->isr_ops.wm_done = vfe_isr_wm_done;
>
> - if (camss->version == CAMSS_8x16)
> + switch (camss->version) {
> + case CAMSS_8x16:
> vfe->ops = &vfe_ops_4_1;
> - else if (camss->version == CAMSS_8x96)
> + break;
> + case CAMSS_8x96:
> vfe->ops = &vfe_ops_4_7;
> - else
> + break;
> + case CAMSS_660:
> + vfe->ops = &vfe_ops_4_8;
> + break;
> + default:
> return -EINVAL;
> + }
>
> /* Memory */
>
> @@ -2095,7 +2103,8 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
> l->formats = formats_rdi_8x16;
> l->nformats = ARRAY_SIZE(formats_rdi_8x16);
> }
> - } else if (camss->version == CAMSS_8x96) {
> + } else if (camss->version == CAMSS_8x96 ||
> + camss->version == CAMSS_660) {
> if (i == VFE_LINE_PIX) {
> l->formats = formats_pix_8x96;
> l->nformats = ARRAY_SIZE(formats_pix_8x96);
> diff --git a/drivers/media/platform/qcom/camss/camss-video.c b/drivers/media/platform/qcom/camss/camss-video.c
> index 114c3ae4a4ab..fbba9e45d732 100644
> --- a/drivers/media/platform/qcom/camss/camss-video.c
> +++ b/drivers/media/platform/qcom/camss/camss-video.c
> @@ -970,7 +970,8 @@ int msm_video_register(struct camss_video *video, struct v4l2_device *v4l2_dev,
> video->formats = formats_rdi_8x16;
> video->nformats = ARRAY_SIZE(formats_rdi_8x16);
> }
> - } else if (video->camss->version == CAMSS_8x96) {
> + } else if (video->camss->version == CAMSS_8x96 ||
> + video->camss->version == CAMSS_660) {
> if (is_pix) {
> video->formats = formats_pix_8x96;
> video->nformats = ARRAY_SIZE(formats_pix_8x96);
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index 9186881afc98..8fefce57bc49 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -283,6 +283,188 @@ static const struct resources vfe_res_8x96[] = {
> }
> };
>
> +static const struct resources csiphy_res_660[] = {
> + /* CSIPHY0 */
> + {
> + .regulator = { NULL },
> + .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy0_timer",
> + "csi0_phy", "csiphy_ahb2crif" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000, 269333333 },
> + { 0 } },
> + .reg = { "csiphy0", "csiphy0_clk_mux" },
> + .interrupt = { "csiphy0" }
> + },
> +
> + /* CSIPHY1 */
> + {
> + .regulator = { NULL },
> + .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy1_timer",
> + "csi1_phy", "csiphy_ahb2crif" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000, 269333333 },
> + { 0 } },
> + .reg = { "csiphy1", "csiphy1_clk_mux" },
> + .interrupt = { "csiphy1" }
> + },
> +
> + /* CSIPHY2 */
> + {
> + .regulator = { NULL },
> + .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy2_timer",
> + "csi2_phy", "csiphy_ahb2crif" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000, 269333333 },
> + { 0 } },
> + .reg = { "csiphy2", "csiphy2_clk_mux" },
> + .interrupt = { "csiphy2" }
> + }
> +};
> +
> +static const struct resources csid_res_660[] = {
> + /* CSID0 */
> + {
> + .regulator = { "vdda", "vdd_sec" },
> + .clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
> + "csi0", "csi0_phy", "csi0_pix", "csi0_rdi",
> + "cphy_csid0" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000, 310000000,
> + 404000000, 465000000 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "csid0" },
> + .interrupt = { "csid0" }
> + },
> +
> + /* CSID1 */
> + {
> + .regulator = { "vdda", "vdd_sec" },
> + .clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
> + "csi1", "csi1_phy", "csi1_pix", "csi1_rdi",
> + "cphy_csid1" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000, 310000000,
> + 404000000, 465000000 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "csid1" },
> + .interrupt = { "csid1" }
> + },
> +
> + /* CSID2 */
> + {
> + .regulator = { "vdda", "vdd_sec" },
> + .clock = { "top_ahb", "ispif_ahb", "csi2_ahb", "ahb",
> + "csi2", "csi2_phy", "csi2_pix", "csi2_rdi",
> + "cphy_csid2" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000, 310000000,
> + 404000000, 465000000 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "csid2" },
> + .interrupt = { "csid2" }
> + },
> +
> + /* CSID3 */
> + {
> + .regulator = { "vdda", "vdd_sec" },
> + .clock = { "top_ahb", "ispif_ahb", "csi3_ahb", "ahb",
> + "csi3", "csi3_phy", "csi3_pix", "csi3_rdi",
> + "cphy_csid3" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000, 310000000,
> + 404000000, 465000000 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "csid3" },
> + .interrupt = { "csid3" }
> + }
> +};
> +
> +static const struct resources_ispif ispif_res_660 = {
> + /* ISPIF */
> + .clock = { "top_ahb", "ahb", "ispif_ahb",
> + "csi0", "csi0_pix", "csi0_rdi",
> + "csi1", "csi1_pix", "csi1_rdi",
> + "csi2", "csi2_pix", "csi2_rdi",
> + "csi3", "csi3_pix", "csi3_rdi" },
> + .clock_for_reset = { "vfe0", "csi_vfe0", "vfe1", "csi_vfe1" },
> + .reg = { "ispif", "csi_clk_mux" },
> + .interrupt = "ispif"
> +};
> +
> +static const struct resources vfe_res_660[] = {
> + /* VFE0 */
> + {
> + .regulator = { NULL },
> + .clock = { "throttle_axi", "top_ahb", "ahb", "vfe0",
> + "csi_vfe0", "vfe_ahb", "vfe0_ahb", "vfe_axi",
> + "vfe0_stream"},
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 120000000, 200000000, 256000000,
> + 300000000, 404000000, 480000000,
> + 540000000, 576000000 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "vfe0" },
> + .interrupt = { "vfe0" }
> + },
> +
> + /* VFE1 */
> + {
> + .regulator = { NULL },
> + .clock = { "throttle_axi", "top_ahb", "ahb", "vfe1",
> + "csi_vfe1", "vfe_ahb", "vfe1_ahb", "vfe_axi",
> + "vfe1_stream"},
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 120000000, 200000000, 256000000,
> + 300000000, 404000000, 480000000,
> + 540000000, 576000000 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "vfe1" },
> + .interrupt = { "vfe1" }
> + }
> +};
> +
> /*
> * camss_add_clock_margin - Add margin to clock frequency rate
> * @rate: Clock frequency rate
> @@ -397,7 +579,8 @@ int camss_get_pixel_clock(struct media_entity *entity, u32 *pixel_clock)
>
> int camss_pm_domain_on(struct camss *camss, int id)
> {
> - if (camss->version == CAMSS_8x96) {
> + if (camss->version == CAMSS_8x96 ||
> + camss->version == CAMSS_660) {
> camss->genpd_link[id] = device_link_add(camss->dev,
> camss->genpd[id], DL_FLAG_STATELESS |
> DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE);
> @@ -411,7 +594,8 @@ int camss_pm_domain_on(struct camss *camss, int id)
>
> void camss_pm_domain_off(struct camss *camss, int id)
> {
> - if (camss->version == CAMSS_8x96)
> + if (camss->version == CAMSS_8x96 ||
> + camss->version == CAMSS_660)
> device_link_del(camss->genpd_link[id]);
> }
>
> @@ -533,6 +717,11 @@ static int camss_init_subdevices(struct camss *camss)
> csid_res = csid_res_8x96;
> ispif_res = &ispif_res_8x96;
> vfe_res = vfe_res_8x96;
> + } else if (camss->version == CAMSS_660) {
> + csiphy_res = csiphy_res_660;
> + csid_res = csid_res_660;
> + ispif_res = &ispif_res_660;
> + vfe_res = vfe_res_660;
> } else {
> return -EINVAL;
> }
> @@ -833,6 +1022,12 @@ static int camss_probe(struct platform_device *pdev)
> camss->csiphy_num = 3;
> camss->csid_num = 4;
> camss->vfe_num = 2;
> + } else if (of_device_is_compatible(dev->of_node,
> + "qcom,sdm660-camss")) {
> + camss->version = CAMSS_660;
> + camss->csiphy_num = 3;
> + camss->csid_num = 4;
> + camss->vfe_num = 2;
> } else {
> ret = -EINVAL;
> goto err_free;
> @@ -919,7 +1114,8 @@ static int camss_probe(struct platform_device *pdev)
> }
> }
>
> - if (camss->version == CAMSS_8x96) {
> + if (camss->version == CAMSS_8x96 ||
> + camss->version == CAMSS_660) {
> camss->genpd[PM_DOMAIN_VFE0] = dev_pm_domain_attach_by_id(
> camss->dev, PM_DOMAIN_VFE0);
> if (IS_ERR(camss->genpd[PM_DOMAIN_VFE0]))
> @@ -958,7 +1154,8 @@ void camss_delete(struct camss *camss)
>
> pm_runtime_disable(camss->dev);
>
> - if (camss->version == CAMSS_8x96) {
> + if (camss->version == CAMSS_8x96 ||
> + camss->version == CAMSS_660) {
> dev_pm_domain_detach(camss->genpd[PM_DOMAIN_VFE0], true);
> dev_pm_domain_detach(camss->genpd[PM_DOMAIN_VFE1], true);
> }
> @@ -989,6 +1186,7 @@ static int camss_remove(struct platform_device *pdev)
> static const struct of_device_id camss_dt_match[] = {
> { .compatible = "qcom,msm8916-camss" },
> { .compatible = "qcom,msm8996-camss" },
> + { .compatible = "qcom,sdm660-camss" },
> { }
> };
>
> diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
> index 1376b07889bf..3a0484683cd6 100644
> --- a/drivers/media/platform/qcom/camss/camss.h
> +++ b/drivers/media/platform/qcom/camss/camss.h
> @@ -65,6 +65,7 @@ enum pm_domain {
> enum camss_version {
> CAMSS_8x16,
> CAMSS_8x96,
> + CAMSS_660,
> };
>
> struct camss {
> --
> 2.28.0
>
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