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path: root/drivers/media/platform/qcom/camss/camss-csiphy.c
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Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-csiphy.c')
-rw-r--r--drivers/media/platform/qcom/camss/camss-csiphy.c226
1 files changed, 125 insertions, 101 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
index 24eec16197e7..a734fb7dde0a 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
@@ -24,16 +24,11 @@
#define MSM_CSIPHY_NAME "msm_csiphy"
-struct csiphy_format {
- u32 code;
- u8 bpp;
-};
-
-static const struct csiphy_format csiphy_formats_8x16[] = {
- { MEDIA_BUS_FMT_UYVY8_2X8, 8 },
- { MEDIA_BUS_FMT_VYUY8_2X8, 8 },
- { MEDIA_BUS_FMT_YUYV8_2X8, 8 },
- { MEDIA_BUS_FMT_YVYU8_2X8, 8 },
+static const struct csiphy_format_info formats_8x16[] = {
+ { MEDIA_BUS_FMT_UYVY8_1X16, 8 },
+ { MEDIA_BUS_FMT_VYUY8_1X16, 8 },
+ { MEDIA_BUS_FMT_YUYV8_1X16, 8 },
+ { MEDIA_BUS_FMT_YVYU8_1X16, 8 },
{ MEDIA_BUS_FMT_SBGGR8_1X8, 8 },
{ MEDIA_BUS_FMT_SGBRG8_1X8, 8 },
{ MEDIA_BUS_FMT_SGRBG8_1X8, 8 },
@@ -49,11 +44,11 @@ static const struct csiphy_format csiphy_formats_8x16[] = {
{ MEDIA_BUS_FMT_Y10_1X10, 10 },
};
-static const struct csiphy_format csiphy_formats_8x96[] = {
- { MEDIA_BUS_FMT_UYVY8_2X8, 8 },
- { MEDIA_BUS_FMT_VYUY8_2X8, 8 },
- { MEDIA_BUS_FMT_YUYV8_2X8, 8 },
- { MEDIA_BUS_FMT_YVYU8_2X8, 8 },
+static const struct csiphy_format_info formats_8x96[] = {
+ { MEDIA_BUS_FMT_UYVY8_1X16, 8 },
+ { MEDIA_BUS_FMT_VYUY8_1X16, 8 },
+ { MEDIA_BUS_FMT_YUYV8_1X16, 8 },
+ { MEDIA_BUS_FMT_YVYU8_1X16, 8 },
{ MEDIA_BUS_FMT_SBGGR8_1X8, 8 },
{ MEDIA_BUS_FMT_SGBRG8_1X8, 8 },
{ MEDIA_BUS_FMT_SGRBG8_1X8, 8 },
@@ -73,11 +68,11 @@ static const struct csiphy_format csiphy_formats_8x96[] = {
{ MEDIA_BUS_FMT_Y10_1X10, 10 },
};
-static const struct csiphy_format csiphy_formats_sdm845[] = {
- { MEDIA_BUS_FMT_UYVY8_2X8, 8 },
- { MEDIA_BUS_FMT_VYUY8_2X8, 8 },
- { MEDIA_BUS_FMT_YUYV8_2X8, 8 },
- { MEDIA_BUS_FMT_YVYU8_2X8, 8 },
+static const struct csiphy_format_info formats_sdm845[] = {
+ { MEDIA_BUS_FMT_UYVY8_1X16, 8 },
+ { MEDIA_BUS_FMT_VYUY8_1X16, 8 },
+ { MEDIA_BUS_FMT_YUYV8_1X16, 8 },
+ { MEDIA_BUS_FMT_YVYU8_1X16, 8 },
{ MEDIA_BUS_FMT_SBGGR8_1X8, 8 },
{ MEDIA_BUS_FMT_SGBRG8_1X8, 8 },
{ MEDIA_BUS_FMT_SGRBG8_1X8, 8 },
@@ -94,9 +89,25 @@ static const struct csiphy_format csiphy_formats_sdm845[] = {
{ MEDIA_BUS_FMT_SGBRG14_1X14, 14 },
{ MEDIA_BUS_FMT_SGRBG14_1X14, 14 },
{ MEDIA_BUS_FMT_SRGGB14_1X14, 14 },
+ { MEDIA_BUS_FMT_Y8_1X8, 8 },
{ MEDIA_BUS_FMT_Y10_1X10, 10 },
};
+const struct csiphy_formats csiphy_formats_8x16 = {
+ .nformats = ARRAY_SIZE(formats_8x16),
+ .formats = formats_8x16
+};
+
+const struct csiphy_formats csiphy_formats_8x96 = {
+ .nformats = ARRAY_SIZE(formats_8x96),
+ .formats = formats_8x96
+};
+
+const struct csiphy_formats csiphy_formats_sdm845 = {
+ .nformats = ARRAY_SIZE(formats_sdm845),
+ .formats = formats_sdm845
+};
+
/*
* csiphy_get_bpp - map media bus format to bits per pixel
* @formats: supported media bus formats array
@@ -105,7 +116,7 @@ static const struct csiphy_format csiphy_formats_sdm845[] = {
*
* Return number of bits per pixel
*/
-static u8 csiphy_get_bpp(const struct csiphy_format *formats,
+static u8 csiphy_get_bpp(const struct csiphy_format_info *formats,
unsigned int nformats, u32 code)
{
unsigned int i;
@@ -130,7 +141,7 @@ static int csiphy_set_clock_rates(struct csiphy_device *csiphy)
int i, j;
int ret;
- u8 bpp = csiphy_get_bpp(csiphy->formats, csiphy->nformats,
+ u8 bpp = csiphy_get_bpp(csiphy->res->formats->formats, csiphy->res->formats->nformats,
csiphy->fmt[MSM_CSIPHY_PAD_SINK].code);
u8 num_lanes = csiphy->cfg.csi2->lane_cfg.num_data;
@@ -201,28 +212,41 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on)
if (ret < 0)
return ret;
+ ret = regulator_bulk_enable(csiphy->num_supplies,
+ csiphy->supplies);
+ if (ret < 0) {
+ pm_runtime_put_sync(dev);
+ return ret;
+ }
+
ret = csiphy_set_clock_rates(csiphy);
if (ret < 0) {
+ regulator_bulk_disable(csiphy->num_supplies,
+ csiphy->supplies);
pm_runtime_put_sync(dev);
return ret;
}
ret = camss_enable_clocks(csiphy->nclocks, csiphy->clock, dev);
if (ret < 0) {
+ regulator_bulk_disable(csiphy->num_supplies,
+ csiphy->supplies);
pm_runtime_put_sync(dev);
return ret;
}
enable_irq(csiphy->irq);
- csiphy->ops->reset(csiphy);
+ csiphy->res->hw_ops->reset(csiphy);
- csiphy->ops->hw_version_read(csiphy, dev);
+ csiphy->res->hw_ops->hw_version_read(csiphy, dev);
} else {
disable_irq(csiphy->irq);
camss_disable_clocks(csiphy->nclocks, csiphy->clock);
+ regulator_bulk_disable(csiphy->num_supplies, csiphy->supplies);
+
pm_runtime_put_sync(dev);
}
@@ -230,25 +254,6 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on)
}
/*
- * csiphy_get_lane_mask - Calculate CSI2 lane mask configuration parameter
- * @lane_cfg - CSI2 lane configuration
- *
- * Return lane mask
- */
-static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg)
-{
- u8 lane_mask;
- int i;
-
- lane_mask = 1 << lane_cfg->clk.pos;
-
- for (i = 0; i < lane_cfg->num_data; i++)
- lane_mask |= 1 << lane_cfg->data[i].pos;
-
- return lane_mask;
-}
-
-/*
* csiphy_stream_on - Enable streaming on CSIPHY module
* @csiphy: CSIPHY device
*
@@ -261,8 +266,8 @@ static int csiphy_stream_on(struct csiphy_device *csiphy)
{
struct csiphy_config *cfg = &csiphy->cfg;
s64 link_freq;
- u8 lane_mask = csiphy_get_lane_mask(&cfg->csi2->lane_cfg);
- u8 bpp = csiphy_get_bpp(csiphy->formats, csiphy->nformats,
+ u8 lane_mask = csiphy->res->hw_ops->get_lane_mask(&cfg->csi2->lane_cfg);
+ u8 bpp = csiphy_get_bpp(csiphy->res->formats->formats, csiphy->res->formats->nformats,
csiphy->fmt[MSM_CSIPHY_PAD_SINK].code);
u8 num_lanes = csiphy->cfg.csi2->lane_cfg.num_data;
u8 val;
@@ -290,7 +295,7 @@ static int csiphy_stream_on(struct csiphy_device *csiphy)
wmb();
}
- csiphy->ops->lanes_enable(csiphy, cfg, link_freq, lane_mask);
+ csiphy->res->hw_ops->lanes_enable(csiphy, cfg, link_freq, lane_mask);
return 0;
}
@@ -303,7 +308,7 @@ static int csiphy_stream_on(struct csiphy_device *csiphy)
*/
static void csiphy_stream_off(struct csiphy_device *csiphy)
{
- csiphy->ops->lanes_disable(csiphy, &csiphy->cfg);
+ csiphy->res->hw_ops->lanes_disable(csiphy, &csiphy->cfg);
}
@@ -330,7 +335,7 @@ static int csiphy_set_stream(struct v4l2_subdev *sd, int enable)
/*
* __csiphy_get_format - Get pointer to format structure
* @csiphy: CSIPHY device
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @pad: pad from which format is requested
* @which: TRY or ACTIVE format
*
@@ -343,8 +348,7 @@ __csiphy_get_format(struct csiphy_device *csiphy,
enum v4l2_subdev_format_whence which)
{
if (which == V4L2_SUBDEV_FORMAT_TRY)
- return v4l2_subdev_get_try_format(&csiphy->subdev, sd_state,
- pad);
+ return v4l2_subdev_state_get_format(sd_state, pad);
return &csiphy->fmt[pad];
}
@@ -352,7 +356,7 @@ __csiphy_get_format(struct csiphy_device *csiphy,
/*
* csiphy_try_format - Handle try format by pad subdev method
* @csiphy: CSIPHY device
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @pad: pad on which format is requested
* @fmt: pointer to v4l2 format structure
* @which: wanted subdev format
@@ -369,13 +373,13 @@ static void csiphy_try_format(struct csiphy_device *csiphy,
case MSM_CSIPHY_PAD_SINK:
/* Set format on sink pad */
- for (i = 0; i < csiphy->nformats; i++)
- if (fmt->code == csiphy->formats[i].code)
+ for (i = 0; i < csiphy->res->formats->nformats; i++)
+ if (fmt->code == csiphy->res->formats->formats[i].code)
break;
/* If not found, use UYVY as default */
- if (i >= csiphy->nformats)
- fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
+ if (i >= csiphy->res->formats->nformats)
+ fmt->code = MEDIA_BUS_FMT_UYVY8_1X16;
fmt->width = clamp_t(u32, fmt->width, 1, 8191);
fmt->height = clamp_t(u32, fmt->height, 1, 8191);
@@ -399,7 +403,7 @@ static void csiphy_try_format(struct csiphy_device *csiphy,
/*
* csiphy_enum_mbus_code - Handle pixel format enumeration
* @sd: CSIPHY V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @code: pointer to v4l2_subdev_mbus_code_enum structure
* return -EINVAL or zero on success
*/
@@ -411,10 +415,10 @@ static int csiphy_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *format;
if (code->pad == MSM_CSIPHY_PAD_SINK) {
- if (code->index >= csiphy->nformats)
+ if (code->index >= csiphy->res->formats->nformats)
return -EINVAL;
- code->code = csiphy->formats[code->index].code;
+ code->code = csiphy->res->formats->formats[code->index].code;
} else {
if (code->index > 0)
return -EINVAL;
@@ -432,7 +436,7 @@ static int csiphy_enum_mbus_code(struct v4l2_subdev *sd,
/*
* csiphy_enum_frame_size - Handle frame size enumeration
* @sd: CSIPHY V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @fse: pointer to v4l2_subdev_frame_size_enum structure
* return -EINVAL or zero on success
*/
@@ -469,7 +473,7 @@ static int csiphy_enum_frame_size(struct v4l2_subdev *sd,
/*
* csiphy_get_format - Handle get format by pads subdev method
* @sd: CSIPHY V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @fmt: pointer to v4l2 subdev format structure
*
* Return -EINVAL or zero on success
@@ -493,7 +497,7 @@ static int csiphy_get_format(struct v4l2_subdev *sd,
/*
* csiphy_set_format - Handle set format by pads subdev method
* @sd: CSIPHY V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @fmt: pointer to v4l2 subdev format structure
*
* Return -EINVAL or zero on success
@@ -545,7 +549,7 @@ static int csiphy_init_formats(struct v4l2_subdev *sd,
.which = fh ? V4L2_SUBDEV_FORMAT_TRY :
V4L2_SUBDEV_FORMAT_ACTIVE,
.format = {
- .code = MEDIA_BUS_FMT_UYVY8_2X8,
+ .code = MEDIA_BUS_FMT_UYVY8_1X16,
.width = 1920,
.height = 1080
}
@@ -554,6 +558,15 @@ static int csiphy_init_formats(struct v4l2_subdev *sd,
return csiphy_set_format(sd, fh ? fh->state : NULL, &format);
}
+static bool csiphy_match_clock_name(const char *clock_name, const char *format,
+ int index)
+{
+ char name[16]; /* csiphyXXX_timer\0 */
+
+ snprintf(name, sizeof(name), format, index);
+ return !strcmp(clock_name, name);
+}
+
/*
* msm_csiphy_subdev_init - Initialize CSIPHY device structure and resources
* @csiphy: CSIPHY device
@@ -564,34 +577,21 @@ static int csiphy_init_formats(struct v4l2_subdev *sd,
*/
int msm_csiphy_subdev_init(struct camss *camss,
struct csiphy_device *csiphy,
- const struct resources *res, u8 id)
+ const struct camss_subdev_resources *res, u8 id)
{
struct device *dev = camss->dev;
struct platform_device *pdev = to_platform_device(dev);
- struct resource *r;
int i, j;
int ret;
csiphy->camss = camss;
csiphy->id = id;
csiphy->cfg.combo_mode = 0;
+ csiphy->res = &res->csiphy;
- if (camss->version == CAMSS_8x16) {
- 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 ||
- camss->version == CAMSS_660) {
- csiphy->ops = &csiphy_ops_3ph_1_0;
- csiphy->formats = csiphy_formats_8x96;
- csiphy->nformats = ARRAY_SIZE(csiphy_formats_8x96);
- } else if (camss->version == CAMSS_845) {
- csiphy->ops = &csiphy_ops_3ph_1_0;
- csiphy->formats = csiphy_formats_sdm845;
- csiphy->nformats = ARRAY_SIZE(csiphy_formats_sdm845);
- } else {
- return -EINVAL;
- }
+ ret = csiphy->res->hw_ops->init(csiphy);
+ if (ret)
+ return ret;
/* Memory */
@@ -599,8 +599,10 @@ int msm_csiphy_subdev_init(struct camss *camss,
if (IS_ERR(csiphy->base))
return PTR_ERR(csiphy->base);
- if (camss->version == CAMSS_8x16 ||
- camss->version == CAMSS_8x96) {
+ if (camss->res->version == CAMSS_8x16 ||
+ camss->res->version == CAMSS_8x39 ||
+ camss->res->version == CAMSS_8x53 ||
+ camss->res->version == CAMSS_8x96) {
csiphy->base_clk_mux =
devm_platform_ioremap_resource_byname(pdev, res->reg[1]);
if (IS_ERR(csiphy->base_clk_mux))
@@ -611,18 +613,15 @@ int msm_csiphy_subdev_init(struct camss *camss,
/* Interrupt */
- r = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
- res->interrupt[0]);
- if (!r) {
- dev_err(dev, "missing IRQ\n");
- return -EINVAL;
- }
+ ret = platform_get_irq_byname(pdev, res->interrupt[0]);
+ if (ret < 0)
+ return ret;
- csiphy->irq = r->start;
+ csiphy->irq = ret;
snprintf(csiphy->irq_name, sizeof(csiphy->irq_name), "%s_%s%d",
dev_name(dev), MSM_CSIPHY_NAME, csiphy->id);
- ret = devm_request_irq(dev, csiphy->irq, csiphy->ops->isr,
+ ret = devm_request_irq(dev, csiphy->irq, csiphy->res->hw_ops->isr,
IRQF_TRIGGER_RISING | IRQF_NO_AUTOEN,
csiphy->irq_name, csiphy);
if (ret < 0) {
@@ -677,19 +676,44 @@ int msm_csiphy_subdev_init(struct camss *camss,
for (j = 0; j < clock->nfreqs; j++)
clock->freq[j] = res->clock_rate[i][j];
- if (!strcmp(clock->name, "csiphy0_timer") ||
- !strcmp(clock->name, "csiphy1_timer") ||
- !strcmp(clock->name, "csiphy2_timer"))
- csiphy->rate_set[i] = true;
+ csiphy->rate_set[i] = csiphy_match_clock_name(clock->name,
+ "csiphy%d_timer",
+ csiphy->id);
+ if (csiphy->rate_set[i])
+ continue;
+
+ if (camss->res->version == CAMSS_660) {
+ csiphy->rate_set[i] = csiphy_match_clock_name(clock->name,
+ "csi%d_phy",
+ csiphy->id);
+ if (csiphy->rate_set[i])
+ continue;
+ }
- if (camss->version == CAMSS_660 &&
- (!strcmp(clock->name, "csi0_phy") ||
- !strcmp(clock->name, "csi1_phy") ||
- !strcmp(clock->name, "csi2_phy")))
- csiphy->rate_set[i] = true;
+ csiphy->rate_set[i] = csiphy_match_clock_name(clock->name, "csiphy%d", csiphy->id);
}
- return 0;
+ /* CSIPHY supplies */
+ for (i = 0; i < ARRAY_SIZE(res->regulators); i++) {
+ if (res->regulators[i])
+ csiphy->num_supplies++;
+ }
+
+ if (csiphy->num_supplies) {
+ csiphy->supplies = devm_kmalloc_array(camss->dev,
+ csiphy->num_supplies,
+ sizeof(*csiphy->supplies),
+ GFP_KERNEL);
+ if (!csiphy->supplies)
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < csiphy->num_supplies; i++)
+ csiphy->supplies[i].supply = res->regulators[i];
+
+ ret = devm_regulator_bulk_get(camss->dev, csiphy->num_supplies,
+ csiphy->supplies);
+ return ret;
}
/*
@@ -711,7 +735,7 @@ static int csiphy_link_setup(struct media_entity *entity,
struct csiphy_device *csiphy;
struct csid_device *csid;
- if (media_entity_remote_pad(local))
+ if (media_pad_remote_pad_first(local))
return -EBUSY;
sd = media_entity_to_v4l2_subdev(entity);