Message ID | 20211118124819.1902427-2-robert.foss@linaro.org (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | Remove clock-lanes DT property from CAMSS | expand |
On Thu 18 Nov 06:48 CST 2021, Robert Foss wrote: > QCOM ISPs do not support having a programmable CSI Clock Lane number. > > In order to accurately reflect this, the different CSIPHY HW versions > need to have their own register layer for computing lane masks. > > Signed-off-by: Robert Foss <robert.foss@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Regards, Bjorn > --- > .../qcom/camss/camss-csiphy-2ph-1-0.c | 19 +++++++++++++++-- > .../qcom/camss/camss-csiphy-3ph-1-0.c | 17 ++++++++++++++- > .../media/platform/qcom/camss/camss-csiphy.c | 21 +------------------ > .../media/platform/qcom/camss/camss-csiphy.h | 7 +++++++ > 4 files changed, 41 insertions(+), 23 deletions(-) > > diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c > index 30b454c369ab..cd4a8c369234 100644 > --- a/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c > +++ b/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c > @@ -16,6 +16,7 @@ > > #define CAMSS_CSI_PHY_LNn_CFG2(n) (0x004 + 0x40 * (n)) > #define CAMSS_CSI_PHY_LNn_CFG3(n) (0x008 + 0x40 * (n)) > +#define CAMSS_CSI_PHY_LN_CLK 1 > #define CAMSS_CSI_PHY_GLBL_RESET 0x140 > #define CAMSS_CSI_PHY_GLBL_PWR_CFG 0x144 > #define CAMSS_CSI_PHY_GLBL_IRQ_CMD 0x164 > @@ -26,6 +27,19 @@ > #define CAMSS_CSI_PHY_GLBL_T_INIT_CFG0 0x1ec > #define CAMSS_CSI_PHY_T_WAKEUP_CFG0 0x1f4 > > +static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg) > +{ > + u8 lane_mask; > + int i; > + > + lane_mask = 1 << CAMSS_CSI_PHY_LN_CLK; > + > + for (i = 0; i < lane_cfg->num_data; i++) > + lane_mask |= 1 << lane_cfg->data[i].pos; > + > + return lane_mask; > +} > + > static void csiphy_hw_version_read(struct csiphy_device *csiphy, > struct device *dev) > { > @@ -105,7 +119,7 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, > > for (i = 0; i <= c->num_data; i++) { > if (i == c->num_data) > - l = c->clk.pos; > + l = CAMSS_CSI_PHY_LN_CLK; > else > l = c->data[i].pos; > > @@ -129,7 +143,7 @@ static void csiphy_lanes_disable(struct csiphy_device *csiphy, > > for (i = 0; i <= c->num_data; i++) { > if (i == c->num_data) > - l = c->clk.pos; > + l = CAMSS_CSI_PHY_LN_CLK; > else > l = c->data[i].pos; > > @@ -167,6 +181,7 @@ static irqreturn_t csiphy_isr(int irq, void *dev) > } > > const struct csiphy_hw_ops csiphy_ops_2ph_1_0 = { > + .get_lane_mask = csiphy_get_lane_mask, > .hw_version_read = csiphy_hw_version_read, > .reset = csiphy_reset, > .lanes_enable = csiphy_lanes_enable, > diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c > index e318c822ab04..cde6b3a10b9e 100644 > --- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c > +++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c > @@ -43,6 +43,7 @@ > #define CSIPHY_3PH_LNn_CSI_LANE_CTRL15_SWI_SOT_SYMBOL 0xb8 > > #define CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(n) (0x800 + 0x4 * (n)) > +#define CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE BIT(7) > #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_COMMON_PWRDN_B BIT(0) > #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_SHOW_REV_ID BIT(1) > #define CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(n) (0x8b0 + 0x4 * (n)) > @@ -320,6 +321,19 @@ static void csiphy_gen2_config_lanes(struct csiphy_device *csiphy, > } > } > > +static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg) > +{ > + u8 lane_mask; > + int i; > + > + lane_mask = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE; > + > + for (i = 0; i < lane_cfg->num_data; i++) > + lane_mask |= 1 << lane_cfg->data[i].pos; > + > + return lane_mask; > +} > + > static void csiphy_lanes_enable(struct csiphy_device *csiphy, > struct csiphy_config *cfg, > s64 link_freq, u8 lane_mask) > @@ -331,7 +345,7 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, > > settle_cnt = csiphy_settle_cnt_calc(link_freq, csiphy->timer_clk_rate); > > - val = BIT(c->clk.pos); > + val = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE; > for (i = 0; i < c->num_data; i++) > val |= BIT(c->data[i].pos * 2); > > @@ -397,6 +411,7 @@ static void csiphy_lanes_disable(struct csiphy_device *csiphy, > } > > const struct csiphy_hw_ops csiphy_ops_3ph_1_0 = { > + .get_lane_mask = csiphy_get_lane_mask, > .hw_version_read = csiphy_hw_version_read, > .reset = csiphy_reset, > .lanes_enable = csiphy_lanes_enable, > diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c > index 24eec16197e7..ac7e96e6b7cd 100644 > --- a/drivers/media/platform/qcom/camss/camss-csiphy.c > +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c > @@ -229,25 +229,6 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on) > return 0; > } > > -/* > - * 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 > @@ -261,7 +242,7 @@ 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 lane_mask = csiphy->ops->get_lane_mask(&cfg->csi2->lane_cfg); > u8 bpp = csiphy_get_bpp(csiphy->formats, csiphy->nformats, > csiphy->fmt[MSM_CSIPHY_PAD_SINK].code); > u8 num_lanes = csiphy->cfg.csi2->lane_cfg.num_data; > diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.h b/drivers/media/platform/qcom/camss/camss-csiphy.h > index d71b8bc6ec00..1c14947f92d3 100644 > --- a/drivers/media/platform/qcom/camss/camss-csiphy.h > +++ b/drivers/media/platform/qcom/camss/camss-csiphy.h > @@ -45,6 +45,13 @@ struct csiphy_config { > struct csiphy_device; > > struct csiphy_hw_ops { > + /* > + * csiphy_get_lane_mask - Calculate CSI2 lane mask configuration parameter > + * @lane_cfg - CSI2 lane configuration > + * > + * Return lane mask > + */ > + u8 (*get_lane_mask)(struct csiphy_lanes_cfg *lane_cfg); > void (*hw_version_read)(struct csiphy_device *csiphy, > struct device *dev); > void (*reset)(struct csiphy_device *csiphy); > -- > 2.32.0 >
On Thu 18 Nov 04:48 PST 2021, Robert Foss wrote: > QCOM ISPs do not support having a programmable CSI Clock Lane number. > > In order to accurately reflect this, the different CSIPHY HW versions > need to have their own register layer for computing lane masks. > > Signed-off-by: Robert Foss <robert.foss@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Regards, Bjorn > --- > .../qcom/camss/camss-csiphy-2ph-1-0.c | 19 +++++++++++++++-- > .../qcom/camss/camss-csiphy-3ph-1-0.c | 17 ++++++++++++++- > .../media/platform/qcom/camss/camss-csiphy.c | 21 +------------------ > .../media/platform/qcom/camss/camss-csiphy.h | 7 +++++++ > 4 files changed, 41 insertions(+), 23 deletions(-) > > diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c > index 30b454c369ab..cd4a8c369234 100644 > --- a/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c > +++ b/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c > @@ -16,6 +16,7 @@ > > #define CAMSS_CSI_PHY_LNn_CFG2(n) (0x004 + 0x40 * (n)) > #define CAMSS_CSI_PHY_LNn_CFG3(n) (0x008 + 0x40 * (n)) > +#define CAMSS_CSI_PHY_LN_CLK 1 > #define CAMSS_CSI_PHY_GLBL_RESET 0x140 > #define CAMSS_CSI_PHY_GLBL_PWR_CFG 0x144 > #define CAMSS_CSI_PHY_GLBL_IRQ_CMD 0x164 > @@ -26,6 +27,19 @@ > #define CAMSS_CSI_PHY_GLBL_T_INIT_CFG0 0x1ec > #define CAMSS_CSI_PHY_T_WAKEUP_CFG0 0x1f4 > > +static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg) > +{ > + u8 lane_mask; > + int i; > + > + lane_mask = 1 << CAMSS_CSI_PHY_LN_CLK; > + > + for (i = 0; i < lane_cfg->num_data; i++) > + lane_mask |= 1 << lane_cfg->data[i].pos; > + > + return lane_mask; > +} > + > static void csiphy_hw_version_read(struct csiphy_device *csiphy, > struct device *dev) > { > @@ -105,7 +119,7 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, > > for (i = 0; i <= c->num_data; i++) { > if (i == c->num_data) > - l = c->clk.pos; > + l = CAMSS_CSI_PHY_LN_CLK; > else > l = c->data[i].pos; > > @@ -129,7 +143,7 @@ static void csiphy_lanes_disable(struct csiphy_device *csiphy, > > for (i = 0; i <= c->num_data; i++) { > if (i == c->num_data) > - l = c->clk.pos; > + l = CAMSS_CSI_PHY_LN_CLK; > else > l = c->data[i].pos; > > @@ -167,6 +181,7 @@ static irqreturn_t csiphy_isr(int irq, void *dev) > } > > const struct csiphy_hw_ops csiphy_ops_2ph_1_0 = { > + .get_lane_mask = csiphy_get_lane_mask, > .hw_version_read = csiphy_hw_version_read, > .reset = csiphy_reset, > .lanes_enable = csiphy_lanes_enable, > diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c > index e318c822ab04..cde6b3a10b9e 100644 > --- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c > +++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c > @@ -43,6 +43,7 @@ > #define CSIPHY_3PH_LNn_CSI_LANE_CTRL15_SWI_SOT_SYMBOL 0xb8 > > #define CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(n) (0x800 + 0x4 * (n)) > +#define CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE BIT(7) > #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_COMMON_PWRDN_B BIT(0) > #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_SHOW_REV_ID BIT(1) > #define CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(n) (0x8b0 + 0x4 * (n)) > @@ -320,6 +321,19 @@ static void csiphy_gen2_config_lanes(struct csiphy_device *csiphy, > } > } > > +static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg) > +{ > + u8 lane_mask; > + int i; > + > + lane_mask = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE; > + > + for (i = 0; i < lane_cfg->num_data; i++) > + lane_mask |= 1 << lane_cfg->data[i].pos; > + > + return lane_mask; > +} > + > static void csiphy_lanes_enable(struct csiphy_device *csiphy, > struct csiphy_config *cfg, > s64 link_freq, u8 lane_mask) > @@ -331,7 +345,7 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, > > settle_cnt = csiphy_settle_cnt_calc(link_freq, csiphy->timer_clk_rate); > > - val = BIT(c->clk.pos); > + val = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE; > for (i = 0; i < c->num_data; i++) > val |= BIT(c->data[i].pos * 2); > > @@ -397,6 +411,7 @@ static void csiphy_lanes_disable(struct csiphy_device *csiphy, > } > > const struct csiphy_hw_ops csiphy_ops_3ph_1_0 = { > + .get_lane_mask = csiphy_get_lane_mask, > .hw_version_read = csiphy_hw_version_read, > .reset = csiphy_reset, > .lanes_enable = csiphy_lanes_enable, > diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c > index 24eec16197e7..ac7e96e6b7cd 100644 > --- a/drivers/media/platform/qcom/camss/camss-csiphy.c > +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c > @@ -229,25 +229,6 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on) > return 0; > } > > -/* > - * 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 > @@ -261,7 +242,7 @@ 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 lane_mask = csiphy->ops->get_lane_mask(&cfg->csi2->lane_cfg); > u8 bpp = csiphy_get_bpp(csiphy->formats, csiphy->nformats, > csiphy->fmt[MSM_CSIPHY_PAD_SINK].code); > u8 num_lanes = csiphy->cfg.csi2->lane_cfg.num_data; > diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.h b/drivers/media/platform/qcom/camss/camss-csiphy.h > index d71b8bc6ec00..1c14947f92d3 100644 > --- a/drivers/media/platform/qcom/camss/camss-csiphy.h > +++ b/drivers/media/platform/qcom/camss/camss-csiphy.h > @@ -45,6 +45,13 @@ struct csiphy_config { > struct csiphy_device; > > struct csiphy_hw_ops { > + /* > + * csiphy_get_lane_mask - Calculate CSI2 lane mask configuration parameter > + * @lane_cfg - CSI2 lane configuration > + * > + * Return lane mask > + */ > + u8 (*get_lane_mask)(struct csiphy_lanes_cfg *lane_cfg); > void (*hw_version_read)(struct csiphy_device *csiphy, > struct device *dev); > void (*reset)(struct csiphy_device *csiphy); > -- > 2.32.0 >
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c index 30b454c369ab..cd4a8c369234 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c @@ -16,6 +16,7 @@ #define CAMSS_CSI_PHY_LNn_CFG2(n) (0x004 + 0x40 * (n)) #define CAMSS_CSI_PHY_LNn_CFG3(n) (0x008 + 0x40 * (n)) +#define CAMSS_CSI_PHY_LN_CLK 1 #define CAMSS_CSI_PHY_GLBL_RESET 0x140 #define CAMSS_CSI_PHY_GLBL_PWR_CFG 0x144 #define CAMSS_CSI_PHY_GLBL_IRQ_CMD 0x164 @@ -26,6 +27,19 @@ #define CAMSS_CSI_PHY_GLBL_T_INIT_CFG0 0x1ec #define CAMSS_CSI_PHY_T_WAKEUP_CFG0 0x1f4 +static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg) +{ + u8 lane_mask; + int i; + + lane_mask = 1 << CAMSS_CSI_PHY_LN_CLK; + + for (i = 0; i < lane_cfg->num_data; i++) + lane_mask |= 1 << lane_cfg->data[i].pos; + + return lane_mask; +} + static void csiphy_hw_version_read(struct csiphy_device *csiphy, struct device *dev) { @@ -105,7 +119,7 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, for (i = 0; i <= c->num_data; i++) { if (i == c->num_data) - l = c->clk.pos; + l = CAMSS_CSI_PHY_LN_CLK; else l = c->data[i].pos; @@ -129,7 +143,7 @@ static void csiphy_lanes_disable(struct csiphy_device *csiphy, for (i = 0; i <= c->num_data; i++) { if (i == c->num_data) - l = c->clk.pos; + l = CAMSS_CSI_PHY_LN_CLK; else l = c->data[i].pos; @@ -167,6 +181,7 @@ static irqreturn_t csiphy_isr(int irq, void *dev) } const struct csiphy_hw_ops csiphy_ops_2ph_1_0 = { + .get_lane_mask = csiphy_get_lane_mask, .hw_version_read = csiphy_hw_version_read, .reset = csiphy_reset, .lanes_enable = csiphy_lanes_enable, diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c index e318c822ab04..cde6b3a10b9e 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c @@ -43,6 +43,7 @@ #define CSIPHY_3PH_LNn_CSI_LANE_CTRL15_SWI_SOT_SYMBOL 0xb8 #define CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(n) (0x800 + 0x4 * (n)) +#define CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE BIT(7) #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_COMMON_PWRDN_B BIT(0) #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_SHOW_REV_ID BIT(1) #define CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(n) (0x8b0 + 0x4 * (n)) @@ -320,6 +321,19 @@ static void csiphy_gen2_config_lanes(struct csiphy_device *csiphy, } } +static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg) +{ + u8 lane_mask; + int i; + + lane_mask = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE; + + for (i = 0; i < lane_cfg->num_data; i++) + lane_mask |= 1 << lane_cfg->data[i].pos; + + return lane_mask; +} + static void csiphy_lanes_enable(struct csiphy_device *csiphy, struct csiphy_config *cfg, s64 link_freq, u8 lane_mask) @@ -331,7 +345,7 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, settle_cnt = csiphy_settle_cnt_calc(link_freq, csiphy->timer_clk_rate); - val = BIT(c->clk.pos); + val = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE; for (i = 0; i < c->num_data; i++) val |= BIT(c->data[i].pos * 2); @@ -397,6 +411,7 @@ static void csiphy_lanes_disable(struct csiphy_device *csiphy, } const struct csiphy_hw_ops csiphy_ops_3ph_1_0 = { + .get_lane_mask = csiphy_get_lane_mask, .hw_version_read = csiphy_hw_version_read, .reset = csiphy_reset, .lanes_enable = csiphy_lanes_enable, diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c index 24eec16197e7..ac7e96e6b7cd 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c @@ -229,25 +229,6 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on) return 0; } -/* - * 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 @@ -261,7 +242,7 @@ 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 lane_mask = csiphy->ops->get_lane_mask(&cfg->csi2->lane_cfg); u8 bpp = csiphy_get_bpp(csiphy->formats, csiphy->nformats, csiphy->fmt[MSM_CSIPHY_PAD_SINK].code); u8 num_lanes = csiphy->cfg.csi2->lane_cfg.num_data; diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.h b/drivers/media/platform/qcom/camss/camss-csiphy.h index d71b8bc6ec00..1c14947f92d3 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.h +++ b/drivers/media/platform/qcom/camss/camss-csiphy.h @@ -45,6 +45,13 @@ struct csiphy_config { struct csiphy_device; struct csiphy_hw_ops { + /* + * csiphy_get_lane_mask - Calculate CSI2 lane mask configuration parameter + * @lane_cfg - CSI2 lane configuration + * + * Return lane mask + */ + u8 (*get_lane_mask)(struct csiphy_lanes_cfg *lane_cfg); void (*hw_version_read)(struct csiphy_device *csiphy, struct device *dev); void (*reset)(struct csiphy_device *csiphy);
QCOM ISPs do not support having a programmable CSI Clock Lane number. In order to accurately reflect this, the different CSIPHY HW versions need to have their own register layer for computing lane masks. Signed-off-by: Robert Foss <robert.foss@linaro.org> --- .../qcom/camss/camss-csiphy-2ph-1-0.c | 19 +++++++++++++++-- .../qcom/camss/camss-csiphy-3ph-1-0.c | 17 ++++++++++++++- .../media/platform/qcom/camss/camss-csiphy.c | 21 +------------------ .../media/platform/qcom/camss/camss-csiphy.h | 7 +++++++ 4 files changed, 41 insertions(+), 23 deletions(-)