Re: [PATCH v4 11/22] media: camss: Add support for CSIPHY hardware version Titan 170
From: Andrey Konovalov <hidden>
Date: 2021-02-08 19:48:40
Also in:
linux-arm-msm, linux-media, lkml
Hi Robert, Thank you for your patchset! On 05.02.2021 13:44, Robert Foss wrote:
quoted hunk ↗ jump to hunk
Add register definitions for version 170 of the Titan architecture and implement support for the CSIPHY subdevice. Signed-off-by: Robert Foss <redacted> --- .../qcom/camss/camss-csiphy-3ph-1-0.c | 182 ++++++++++++++++-- .../media/platform/qcom/camss/camss-csiphy.c | 66 +++++-- drivers/media/platform/qcom/camss/camss.c | 74 +++++++ 3 files changed, 290 insertions(+), 32 deletions(-)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 97cb9de85031..148b8c50382c 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@@ -47,6 +47,105 @@ #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_SHOW_REV_ID BIT(1) #define CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(n) (0x8b0 + 0x4 * (n)) +#define CSIPHY_DEFAULT_PARAMS 0 +#define CSIPHY_LANE_ENABLE 1 +#define CSIPHY_SETTLE_CNT_LOWER_BYTE 2 +#define CSIPHY_SETTLE_CNT_HIGHER_BYTE 3 +#define CSIPHY_DNP_PARAMS 4 +#define CSIPHY_2PH_REGS 5 +#define CSIPHY_3PH_REGS 6 + +struct csiphy_reg_t { + int32_t reg_addr; + int32_t reg_data; + int32_t delay; + uint32_t csiphy_param_type; +}; + +static const struct +csiphy_reg_t lane_regs_sdm845[5][14] = {
<snip>
quoted hunk ↗ jump to hunk
@@ -208,6 +294,66 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, val = CSIPHY_3PH_LNn_MISC1_IS_CLKLANE; writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_MISC1(l)); +} + +static void csiphy_gen2_config_lanes(struct csiphy_device *csiphy, + u8 settle_cnt) +{ + int i, l; + u32 val; + + for (l = 0; l < 5; l++) { + for (i = 0; i < 14; i++) { + struct csiphy_reg_t *r = &lane_regs_sdm845[l][i];
- this line gives me a compilation warning : warning: initialization discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers] 306 | struct csiphy_reg_t *r = &lane_regs_sdm845[l][i]; Change it to: const struct csiphy_reg_t *r = &lane_regs_sdm845[l][i]; ? Thanks, Andrey