diff options
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-csid.c')
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-csid.c | 981 |
1 files changed, 515 insertions, 466 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c index a5ae85674ffb..5284b5857368 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.c +++ b/drivers/media/platform/qcom/camss/camss-csid.c @@ -17,413 +17,511 @@ #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <media/media-entity.h> +#include <media/mipi-csi2.h> #include <media/v4l2-device.h> #include <media/v4l2-event.h> #include <media/v4l2-subdev.h> #include "camss-csid.h" +#include "camss-csid-gen1.h" #include "camss.h" +/* offset of CSID registers in VFE region for VFE 480 */ +#define VFE_480_CSID_OFFSET 0x1200 +#define VFE_480_LITE_CSID_OFFSET 0x200 + +#define CSID_HW_VERSION 0x0 +#define HW_VERSION_STEPPING 0 +#define HW_VERSION_REVISION 16 +#define HW_VERSION_GENERATION 28 + #define MSM_CSID_NAME "msm_csid" -#define CAMSS_CSID_HW_VERSION 0x0 -#define CAMSS_CSID_CORE_CTRL_0 0x004 -#define CAMSS_CSID_CORE_CTRL_1 0x008 -#define CAMSS_CSID_RST_CMD(v) ((v) == CAMSS_8x16 ? 0x00c : 0x010) -#define CAMSS_CSID_CID_LUT_VC_n(v, n) \ - (((v) == CAMSS_8x16 ? 0x010 : 0x014) + 0x4 * (n)) -#define CAMSS_CSID_CID_n_CFG(v, n) \ - (((v) == CAMSS_8x16 ? 0x020 : 0x024) + 0x4 * (n)) -#define CAMSS_CSID_CID_n_CFG_ISPIF_EN BIT(0) -#define CAMSS_CSID_CID_n_CFG_RDI_EN BIT(1) -#define CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT 4 -#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_8 (0 << 8) -#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16 (1 << 8) -#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB (0 << 9) -#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_MSB (1 << 9) -#define CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP (0 << 10) -#define CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING (1 << 10) -#define CAMSS_CSID_IRQ_CLEAR_CMD(v) ((v) == CAMSS_8x16 ? 0x060 : 0x064) -#define CAMSS_CSID_IRQ_MASK(v) ((v) == CAMSS_8x16 ? 0x064 : 0x068) -#define CAMSS_CSID_IRQ_STATUS(v) ((v) == CAMSS_8x16 ? 0x068 : 0x06c) -#define CAMSS_CSID_TG_CTRL(v) ((v) == CAMSS_8x16 ? 0x0a0 : 0x0a8) -#define CAMSS_CSID_TG_CTRL_DISABLE 0xa06436 -#define CAMSS_CSID_TG_CTRL_ENABLE 0xa06437 -#define CAMSS_CSID_TG_VC_CFG(v) ((v) == CAMSS_8x16 ? 0x0a4 : 0x0ac) -#define CAMSS_CSID_TG_VC_CFG_H_BLANKING 0x3ff -#define CAMSS_CSID_TG_VC_CFG_V_BLANKING 0x7f -#define CAMSS_CSID_TG_DT_n_CGG_0(v, n) \ - (((v) == CAMSS_8x16 ? 0x0ac : 0x0b4) + 0xc * (n)) -#define CAMSS_CSID_TG_DT_n_CGG_1(v, n) \ - (((v) == CAMSS_8x16 ? 0x0b0 : 0x0b8) + 0xc * (n)) -#define CAMSS_CSID_TG_DT_n_CGG_2(v, n) \ - (((v) == CAMSS_8x16 ? 0x0b4 : 0x0bc) + 0xc * (n)) - -#define DATA_TYPE_EMBEDDED_DATA_8BIT 0x12 -#define DATA_TYPE_YUV422_8BIT 0x1e -#define DATA_TYPE_RAW_6BIT 0x28 -#define DATA_TYPE_RAW_8BIT 0x2a -#define DATA_TYPE_RAW_10BIT 0x2b -#define DATA_TYPE_RAW_12BIT 0x2c -#define DATA_TYPE_RAW_14BIT 0x2d - -#define DECODE_FORMAT_UNCOMPRESSED_6_BIT 0x0 -#define DECODE_FORMAT_UNCOMPRESSED_8_BIT 0x1 -#define DECODE_FORMAT_UNCOMPRESSED_10_BIT 0x2 -#define DECODE_FORMAT_UNCOMPRESSED_12_BIT 0x3 -#define DECODE_FORMAT_UNCOMPRESSED_14_BIT 0x8 - -#define CSID_RESET_TIMEOUT_MS 500 - -struct csid_format { - u32 code; - u8 data_type; - u8 decode_format; - u8 bpp; - u8 spp; /* bus samples per pixel */ +const char * const csid_testgen_modes[] = { + "Disabled", + "Incrementing", + "Alternating 0x55/0xAA", + "All Zeros 0x00", + "All Ones 0xFF", + "Pseudo-random Data", + "User Specified", + "Complex pattern", + "Color box", + "Color bars", + NULL }; -static const struct csid_format csid_formats_8x16[] = { +static const struct csid_format_info formats_4_1[] = { { - MEDIA_BUS_FMT_UYVY8_2X8, - DATA_TYPE_YUV422_8BIT, + MEDIA_BUS_FMT_UYVY8_1X16, + MIPI_CSI2_DT_YUV422_8B, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 2, }, { - MEDIA_BUS_FMT_VYUY8_2X8, - DATA_TYPE_YUV422_8BIT, + MEDIA_BUS_FMT_VYUY8_1X16, + MIPI_CSI2_DT_YUV422_8B, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 2, }, { - MEDIA_BUS_FMT_YUYV8_2X8, - DATA_TYPE_YUV422_8BIT, + MEDIA_BUS_FMT_YUYV8_1X16, + MIPI_CSI2_DT_YUV422_8B, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 2, }, { - MEDIA_BUS_FMT_YVYU8_2X8, - DATA_TYPE_YUV422_8BIT, + MEDIA_BUS_FMT_YVYU8_1X16, + MIPI_CSI2_DT_YUV422_8B, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 2, }, { MEDIA_BUS_FMT_SBGGR8_1X8, - DATA_TYPE_RAW_8BIT, + MIPI_CSI2_DT_RAW8, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 1, }, { MEDIA_BUS_FMT_SGBRG8_1X8, - DATA_TYPE_RAW_8BIT, + MIPI_CSI2_DT_RAW8, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 1, }, { MEDIA_BUS_FMT_SGRBG8_1X8, - DATA_TYPE_RAW_8BIT, + MIPI_CSI2_DT_RAW8, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 1, }, { MEDIA_BUS_FMT_SRGGB8_1X8, - DATA_TYPE_RAW_8BIT, + MIPI_CSI2_DT_RAW8, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 1, }, { MEDIA_BUS_FMT_SBGGR10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, { MEDIA_BUS_FMT_SGBRG10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, { MEDIA_BUS_FMT_SGRBG10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, { MEDIA_BUS_FMT_SRGGB10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, { MEDIA_BUS_FMT_SBGGR12_1X12, - DATA_TYPE_RAW_12BIT, + MIPI_CSI2_DT_RAW12, DECODE_FORMAT_UNCOMPRESSED_12_BIT, 12, 1, }, { MEDIA_BUS_FMT_SGBRG12_1X12, - DATA_TYPE_RAW_12BIT, + MIPI_CSI2_DT_RAW12, DECODE_FORMAT_UNCOMPRESSED_12_BIT, 12, 1, }, { MEDIA_BUS_FMT_SGRBG12_1X12, - DATA_TYPE_RAW_12BIT, + MIPI_CSI2_DT_RAW12, DECODE_FORMAT_UNCOMPRESSED_12_BIT, 12, 1, }, { MEDIA_BUS_FMT_SRGGB12_1X12, - DATA_TYPE_RAW_12BIT, + MIPI_CSI2_DT_RAW12, DECODE_FORMAT_UNCOMPRESSED_12_BIT, 12, 1, }, { MEDIA_BUS_FMT_Y10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, }; -static const struct csid_format csid_formats_8x96[] = { +static const struct csid_format_info formats_4_7[] = { { - MEDIA_BUS_FMT_UYVY8_2X8, - DATA_TYPE_YUV422_8BIT, + MEDIA_BUS_FMT_UYVY8_1X16, + MIPI_CSI2_DT_YUV422_8B, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 2, }, { - MEDIA_BUS_FMT_VYUY8_2X8, - DATA_TYPE_YUV422_8BIT, + MEDIA_BUS_FMT_VYUY8_1X16, + MIPI_CSI2_DT_YUV422_8B, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 2, }, { - MEDIA_BUS_FMT_YUYV8_2X8, - DATA_TYPE_YUV422_8BIT, + MEDIA_BUS_FMT_YUYV8_1X16, + MIPI_CSI2_DT_YUV422_8B, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 2, }, { - MEDIA_BUS_FMT_YVYU8_2X8, - DATA_TYPE_YUV422_8BIT, + MEDIA_BUS_FMT_YVYU8_1X16, + MIPI_CSI2_DT_YUV422_8B, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 2, }, { MEDIA_BUS_FMT_SBGGR8_1X8, - DATA_TYPE_RAW_8BIT, + MIPI_CSI2_DT_RAW8, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 1, }, { MEDIA_BUS_FMT_SGBRG8_1X8, - DATA_TYPE_RAW_8BIT, + MIPI_CSI2_DT_RAW8, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 1, }, { MEDIA_BUS_FMT_SGRBG8_1X8, - DATA_TYPE_RAW_8BIT, + MIPI_CSI2_DT_RAW8, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 1, }, { MEDIA_BUS_FMT_SRGGB8_1X8, - DATA_TYPE_RAW_8BIT, + MIPI_CSI2_DT_RAW8, DECODE_FORMAT_UNCOMPRESSED_8_BIT, 8, 1, }, { MEDIA_BUS_FMT_SBGGR10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, { MEDIA_BUS_FMT_SGBRG10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, { MEDIA_BUS_FMT_SGRBG10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, { MEDIA_BUS_FMT_SRGGB10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, { MEDIA_BUS_FMT_SBGGR12_1X12, - DATA_TYPE_RAW_12BIT, + MIPI_CSI2_DT_RAW12, DECODE_FORMAT_UNCOMPRESSED_12_BIT, 12, 1, }, { MEDIA_BUS_FMT_SGBRG12_1X12, - DATA_TYPE_RAW_12BIT, + MIPI_CSI2_DT_RAW12, DECODE_FORMAT_UNCOMPRESSED_12_BIT, 12, 1, }, { MEDIA_BUS_FMT_SGRBG12_1X12, - DATA_TYPE_RAW_12BIT, + MIPI_CSI2_DT_RAW12, DECODE_FORMAT_UNCOMPRESSED_12_BIT, 12, 1, }, { MEDIA_BUS_FMT_SRGGB12_1X12, - DATA_TYPE_RAW_12BIT, + MIPI_CSI2_DT_RAW12, DECODE_FORMAT_UNCOMPRESSED_12_BIT, 12, 1, }, { MEDIA_BUS_FMT_SBGGR14_1X14, - DATA_TYPE_RAW_14BIT, + MIPI_CSI2_DT_RAW14, DECODE_FORMAT_UNCOMPRESSED_14_BIT, 14, 1, }, { MEDIA_BUS_FMT_SGBRG14_1X14, - DATA_TYPE_RAW_14BIT, + MIPI_CSI2_DT_RAW14, DECODE_FORMAT_UNCOMPRESSED_14_BIT, 14, 1, }, { MEDIA_BUS_FMT_SGRBG14_1X14, - DATA_TYPE_RAW_14BIT, + MIPI_CSI2_DT_RAW14, DECODE_FORMAT_UNCOMPRESSED_14_BIT, 14, 1, }, { MEDIA_BUS_FMT_SRGGB14_1X14, - DATA_TYPE_RAW_14BIT, + MIPI_CSI2_DT_RAW14, DECODE_FORMAT_UNCOMPRESSED_14_BIT, 14, 1, }, { MEDIA_BUS_FMT_Y10_1X10, - DATA_TYPE_RAW_10BIT, + MIPI_CSI2_DT_RAW10, DECODE_FORMAT_UNCOMPRESSED_10_BIT, 10, 1, }, }; -static u32 csid_find_code(u32 *code, unsigned int n_code, - unsigned int index, u32 req_code) -{ - int i; +static const struct csid_format_info formats_gen2[] = { + { + MEDIA_BUS_FMT_UYVY8_1X16, + MIPI_CSI2_DT_YUV422_8B, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 2, + }, + { + MEDIA_BUS_FMT_VYUY8_1X16, + MIPI_CSI2_DT_YUV422_8B, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 2, + }, + { + MEDIA_BUS_FMT_YUYV8_1X16, + MIPI_CSI2_DT_YUV422_8B, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 2, + }, + { + MEDIA_BUS_FMT_YVYU8_1X16, + MIPI_CSI2_DT_YUV422_8B, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 2, + }, + { + MEDIA_BUS_FMT_SBGGR8_1X8, + MIPI_CSI2_DT_RAW8, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 1, + }, + { + MEDIA_BUS_FMT_SGBRG8_1X8, + MIPI_CSI2_DT_RAW8, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 1, + }, + { + MEDIA_BUS_FMT_SGRBG8_1X8, + MIPI_CSI2_DT_RAW8, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 1, + }, + { + MEDIA_BUS_FMT_SRGGB8_1X8, + MIPI_CSI2_DT_RAW8, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 1, + }, + { + MEDIA_BUS_FMT_SBGGR10_1X10, + MIPI_CSI2_DT_RAW10, + DECODE_FORMAT_UNCOMPRESSED_10_BIT, + 10, + 1, + }, + { + MEDIA_BUS_FMT_SGBRG10_1X10, + MIPI_CSI2_DT_RAW10, + DECODE_FORMAT_UNCOMPRESSED_10_BIT, + 10, + 1, + }, + { + MEDIA_BUS_FMT_SGRBG10_1X10, + MIPI_CSI2_DT_RAW10, + DECODE_FORMAT_UNCOMPRESSED_10_BIT, + 10, + 1, + }, + { + MEDIA_BUS_FMT_SRGGB10_1X10, + MIPI_CSI2_DT_RAW10, + DECODE_FORMAT_UNCOMPRESSED_10_BIT, + 10, + 1, + }, + { + MEDIA_BUS_FMT_Y8_1X8, + MIPI_CSI2_DT_RAW8, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 1, + }, + { + MEDIA_BUS_FMT_Y10_1X10, + MIPI_CSI2_DT_RAW10, + DECODE_FORMAT_UNCOMPRESSED_10_BIT, + 10, + 1, + }, + { + MEDIA_BUS_FMT_SBGGR12_1X12, + MIPI_CSI2_DT_RAW12, + DECODE_FORMAT_UNCOMPRESSED_12_BIT, + 12, + 1, + }, + { + MEDIA_BUS_FMT_SGBRG12_1X12, + MIPI_CSI2_DT_RAW12, + DECODE_FORMAT_UNCOMPRESSED_12_BIT, + 12, + 1, + }, + { + MEDIA_BUS_FMT_SGRBG12_1X12, + MIPI_CSI2_DT_RAW12, + DECODE_FORMAT_UNCOMPRESSED_12_BIT, + 12, + 1, + }, + { + MEDIA_BUS_FMT_SRGGB12_1X12, + MIPI_CSI2_DT_RAW12, + DECODE_FORMAT_UNCOMPRESSED_12_BIT, + 12, + 1, + }, + { + MEDIA_BUS_FMT_SBGGR14_1X14, + MIPI_CSI2_DT_RAW14, + DECODE_FORMAT_UNCOMPRESSED_14_BIT, + 14, + 1, + }, + { + MEDIA_BUS_FMT_SGBRG14_1X14, + MIPI_CSI2_DT_RAW14, + DECODE_FORMAT_UNCOMPRESSED_14_BIT, + 14, + 1, + }, + { + MEDIA_BUS_FMT_SGRBG14_1X14, + MIPI_CSI2_DT_RAW14, + DECODE_FORMAT_UNCOMPRESSED_14_BIT, + 14, + 1, + }, + { + MEDIA_BUS_FMT_SRGGB14_1X14, + MIPI_CSI2_DT_RAW14, + DECODE_FORMAT_UNCOMPRESSED_14_BIT, + 14, + 1, + }, +}; - if (!req_code && (index >= n_code)) - return 0; +const struct csid_formats csid_formats_4_1 = { + .nformats = ARRAY_SIZE(formats_4_1), + .formats = formats_4_1 +}; - for (i = 0; i < n_code; i++) - if (req_code) { - if (req_code == code[i]) - return req_code; - } else { - if (i == index) - return code[i]; - } +const struct csid_formats csid_formats_4_7 = { + .nformats = ARRAY_SIZE(formats_4_7), + .formats = formats_4_7 +}; - return code[0]; -} +const struct csid_formats csid_formats_gen2 = { + .nformats = ARRAY_SIZE(formats_gen2), + .formats = formats_gen2 +}; -static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code, - unsigned int index, u32 src_req_code) +u32 csid_find_code(u32 *codes, unsigned int ncodes, + unsigned int match_format_idx, u32 match_code) { - if (csid->camss->version == CAMSS_8x16) { - if (index > 0) - return 0; + int i; - return sink_code; - } else if (csid->camss->version == CAMSS_8x96) { - switch (sink_code) { - case MEDIA_BUS_FMT_SBGGR10_1X10: - { - u32 src_code[] = { - MEDIA_BUS_FMT_SBGGR10_1X10, - MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, - }; - - return csid_find_code(src_code, ARRAY_SIZE(src_code), - index, src_req_code); - } - case MEDIA_BUS_FMT_Y10_1X10: - { - u32 src_code[] = { - MEDIA_BUS_FMT_Y10_1X10, - MEDIA_BUS_FMT_Y10_2X8_PADHI_LE, - }; - - return csid_find_code(src_code, ARRAY_SIZE(src_code), - index, src_req_code); - } - default: - if (index > 0) - return 0; + if (!match_code && (match_format_idx >= ncodes)) + return 0; - return sink_code; + for (i = 0; i < ncodes; i++) + if (match_code) { + if (codes[i] == match_code) + return match_code; + } else { + if (i == match_format_idx) + return codes[i]; } - } else { - return 0; - } + + return codes[0]; } -static const struct csid_format *csid_get_fmt_entry( - const struct csid_format *formats, - unsigned int nformat, - u32 code) +const struct csid_format_info *csid_get_fmt_entry(const struct csid_format_info *formats, + unsigned int nformats, + u32 code) { unsigned int i; - for (i = 0; i < nformat; i++) + for (i = 0; i < nformats; i++) if (code == formats[i].code) return &formats[i]; @@ -433,41 +531,23 @@ static const struct csid_format *csid_get_fmt_entry( } /* - * csid_isr - CSID module interrupt handler - * @irq: Interrupt line - * @dev: CSID device - * - * Return IRQ_HANDLED on success - */ -static irqreturn_t csid_isr(int irq, void *dev) -{ - struct csid_device *csid = dev; - enum camss_version ver = csid->camss->version; - u32 value; - - value = readl_relaxed(csid->base + CAMSS_CSID_IRQ_STATUS(ver)); - writel_relaxed(value, csid->base + CAMSS_CSID_IRQ_CLEAR_CMD(ver)); - - if ((value >> 11) & 0x1) - complete(&csid->reset_complete); - - return IRQ_HANDLED; -} - -/* * csid_set_clock_rates - Calculate and set clock rates on CSID module * @csiphy: CSID device */ static int csid_set_clock_rates(struct csid_device *csid) { struct device *dev = csid->camss->dev; - u32 pixel_clock; + const struct csid_format_info *fmt; + s64 link_freq; int i, j; int ret; - ret = camss_get_pixel_clock(&csid->subdev.entity, &pixel_clock); - if (ret) - pixel_clock = 0; + fmt = csid_get_fmt_entry(csid->res->formats->formats, csid->res->formats->nformats, + csid->fmt[MSM_CSIPHY_PAD_SINK].code); + link_freq = camss_get_link_freq(&csid->subdev.entity, fmt->bpp, + csid->phy.lane_cnt); + if (link_freq < 0) + link_freq = 0; for (i = 0; i < csid->nclocks; i++) { struct camss_clock *clock = &csid->clock[i]; @@ -476,13 +556,7 @@ static int csid_set_clock_rates(struct csid_device *csid) !strcmp(clock->name, "csi1") || !strcmp(clock->name, "csi2") || !strcmp(clock->name, "csi3")) { - const struct csid_format *f = csid_get_fmt_entry( - csid->formats, - csid->nformats, - csid->fmt[MSM_CSIPHY_PAD_SINK].code); - u8 num_lanes = csid->phy.lane_cnt; - u64 min_rate = pixel_clock * f->bpp / - (2 * num_lanes * 4); + u64 min_rate = link_freq / 4; long rate; camss_add_clock_margin(&min_rate); @@ -514,6 +588,8 @@ static int csid_set_clock_rates(struct csid_device *csid) dev_err(dev, "clk set rate failed: %d\n", ret); return ret; } + } else if (clock->nfreqs) { + clk_set_rate(clock->clk, clock->freq[0]); } } @@ -521,28 +597,75 @@ static int csid_set_clock_rates(struct csid_device *csid) } /* - * csid_reset - Trigger reset on CSID module and wait to complete + * csid_hw_version - CSID hardware version query * @csid: CSID device * - * Return 0 on success or a negative error code otherwise + * Return HW version or error */ -static int csid_reset(struct csid_device *csid) +u32 csid_hw_version(struct csid_device *csid) { - unsigned long time; + u32 hw_version; + u32 hw_gen; + u32 hw_rev; + u32 hw_step; + + hw_version = readl_relaxed(csid->base + CSID_HW_VERSION); + hw_gen = (hw_version >> HW_VERSION_GENERATION) & 0xF; + hw_rev = (hw_version >> HW_VERSION_REVISION) & 0xFFF; + hw_step = (hw_version >> HW_VERSION_STEPPING) & 0xFFFF; + dev_dbg(csid->camss->dev, "CSID:%d HW Version = %u.%u.%u\n", + csid->id, hw_gen, hw_rev, hw_step); + + return hw_version; +} - reinit_completion(&csid->reset_complete); +/* + * csid_src_pad_code - Pick an output/src format based on the input/sink format + * @csid: CSID device + * @sink_code: The sink format of the input + * @match_format_idx: Request preferred index, as defined by subdevice csid + * format. Set @match_code to 0 if used. + * @match_code: Request preferred code, set @match_format_idx to 0 if used + * + * Return 0 on failure or src format code otherwise + */ +u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code, + unsigned int match_format_idx, u32 match_code) +{ + if (csid->camss->res->version == CAMSS_8x16) { + if (match_format_idx > 0) + return 0; - writel_relaxed(0x7fff, csid->base + - CAMSS_CSID_RST_CMD(csid->camss->version)); + return sink_code; + } + + switch (sink_code) { + case MEDIA_BUS_FMT_SBGGR10_1X10: + { + u32 src_code[] = { + MEDIA_BUS_FMT_SBGGR10_1X10, + MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, + }; - time = wait_for_completion_timeout(&csid->reset_complete, - msecs_to_jiffies(CSID_RESET_TIMEOUT_MS)); - if (!time) { - dev_err(csid->camss->dev, "CSID reset timeout\n"); - return -EIO; + return csid_find_code(src_code, ARRAY_SIZE(src_code), + match_format_idx, match_code); } + case MEDIA_BUS_FMT_Y10_1X10: + { + u32 src_code[] = { + MEDIA_BUS_FMT_Y10_1X10, + MEDIA_BUS_FMT_Y10_2X8_PADHI_LE, + }; - return 0; + return csid_find_code(src_code, ARRAY_SIZE(src_code), + match_format_idx, match_code); + } + default: + if (match_format_idx > 0) + return 0; + + return sink_code; + } } /* @@ -555,17 +678,26 @@ static int csid_reset(struct csid_device *csid) static int csid_set_power(struct v4l2_subdev *sd, int on) { struct csid_device *csid = v4l2_get_subdevdata(sd); - struct device *dev = csid->camss->dev; - int ret; + struct camss *camss = csid->camss; + struct device *dev = camss->dev; + int ret = 0; if (on) { - u32 hw_version; + /* + * From SDM845 onwards, the VFE needs to be powered on before + * switching on the CSID. Do so unconditionally, as there is no + * drawback in following the same powering order on older SoCs. + */ + ret = csid->res->parent_dev_ops->get(camss, csid->id); + if (ret < 0) + return ret; - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) return ret; - ret = regulator_enable(csid->vdda); + ret = regulator_bulk_enable(csid->num_supplies, + csid->supplies); if (ret < 0) { pm_runtime_put_sync(dev); return ret; @@ -573,36 +705,42 @@ static int csid_set_power(struct v4l2_subdev *sd, int on) ret = csid_set_clock_rates(csid); if (ret < 0) { - regulator_disable(csid->vdda); + regulator_bulk_disable(csid->num_supplies, + csid->supplies); pm_runtime_put_sync(dev); return ret; } ret = camss_enable_clocks(csid->nclocks, csid->clock, dev); if (ret < 0) { - regulator_disable(csid->vdda); + regulator_bulk_disable(csid->num_supplies, + csid->supplies); pm_runtime_put_sync(dev); return ret; } + csid->phy.need_vc_update = true; + enable_irq(csid->irq); - ret = csid_reset(csid); + ret = csid->res->hw_ops->reset(csid); if (ret < 0) { disable_irq(csid->irq); camss_disable_clocks(csid->nclocks, csid->clock); - regulator_disable(csid->vdda); + regulator_bulk_disable(csid->num_supplies, + csid->supplies); pm_runtime_put_sync(dev); return ret; } - hw_version = readl_relaxed(csid->base + CAMSS_CSID_HW_VERSION); - dev_dbg(dev, "CSID HW Version = 0x%08x\n", hw_version); + csid->res->hw_ops->hw_version(csid); } else { disable_irq(csid->irq); camss_disable_clocks(csid->nclocks, csid->clock); - ret = regulator_disable(csid->vdda); + regulator_bulk_disable(csid->num_supplies, + csid->supplies); pm_runtime_put_sync(dev); + csid->res->parent_dev_ops->put(camss, csid->id); } return ret; @@ -620,130 +758,26 @@ static int csid_set_power(struct v4l2_subdev *sd, int on) static int csid_set_stream(struct v4l2_subdev *sd, int enable) { struct csid_device *csid = v4l2_get_subdevdata(sd); - struct csid_testgen_config *tg = &csid->testgen; - enum camss_version ver = csid->camss->version; - u32 val; + int ret; if (enable) { - u8 vc = 0; /* Virtual Channel 0 */ - u8 cid = vc * 4; /* id of Virtual Channel and Data Type set */ - u8 dt, dt_shift, df; - int ret; - - ret = v4l2_ctrl_handler_setup(&csid->ctrls); - if (ret < 0) { - dev_err(csid->camss->dev, - "could not sync v4l2 controls: %d\n", ret); - return ret; - } - - if (!tg->enabled && - !media_entity_remote_pad(&csid->pads[MSM_CSID_PAD_SINK])) - return -ENOLINK; - - if (tg->enabled) { - /* Config Test Generator */ - struct v4l2_mbus_framefmt *f = - &csid->fmt[MSM_CSID_PAD_SRC]; - const struct csid_format *format = csid_get_fmt_entry( - csid->formats, csid->nformats, f->code); - u32 num_bytes_per_line = - f->width * format->bpp * format->spp / 8; - u32 num_lines = f->height; - - /* 31:24 V blank, 23:13 H blank, 3:2 num of active DT */ - /* 1:0 VC */ - val = ((CAMSS_CSID_TG_VC_CFG_V_BLANKING & 0xff) << 24) | - ((CAMSS_CSID_TG_VC_CFG_H_BLANKING & 0x7ff) << 13); - writel_relaxed(val, csid->base + - CAMSS_CSID_TG_VC_CFG(ver)); - - /* 28:16 bytes per lines, 12:0 num of lines */ - val = ((num_bytes_per_line & 0x1fff) << 16) | - (num_lines & 0x1fff); - writel_relaxed(val, csid->base + - CAMSS_CSID_TG_DT_n_CGG_0(ver, 0)); - - dt = format->data_type; - - /* 5:0 data type */ - val = dt; - writel_relaxed(val, csid->base + - CAMSS_CSID_TG_DT_n_CGG_1(ver, 0)); - - /* 2:0 output test pattern */ - val = tg->payload_mode; - writel_relaxed(val, csid->base + - CAMSS_CSID_TG_DT_n_CGG_2(ver, 0)); - - df = format->decode_format; - } else { - struct v4l2_mbus_framefmt *f = - &csid->fmt[MSM_CSID_PAD_SINK]; - const struct csid_format *format = csid_get_fmt_entry( - csid->formats, csid->nformats, f->code); - struct csid_phy_config *phy = &csid->phy; - - val = phy->lane_cnt - 1; - val |= phy->lane_assign << 4; - - writel_relaxed(val, - csid->base + CAMSS_CSID_CORE_CTRL_0); - - val = phy->csiphy_id << 17; - val |= 0x9; - - writel_relaxed(val, - csid->base + CAMSS_CSID_CORE_CTRL_1); - - dt = format->data_type; - df = format->decode_format; - } - - /* Config LUT */ - - dt_shift = (cid % 4) * 8; - - val = readl_relaxed(csid->base + - CAMSS_CSID_CID_LUT_VC_n(ver, vc)); - val &= ~(0xff << dt_shift); - val |= dt << dt_shift; - writel_relaxed(val, csid->base + - CAMSS_CSID_CID_LUT_VC_n(ver, vc)); - - val = CAMSS_CSID_CID_n_CFG_ISPIF_EN; - val |= CAMSS_CSID_CID_n_CFG_RDI_EN; - 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) { - u32 sink_code = csid->fmt[MSM_CSID_PAD_SINK].code; - u32 src_code = csid->fmt[MSM_CSID_PAD_SRC].code; - - if ((sink_code == MEDIA_BUS_FMT_SBGGR10_1X10 && - src_code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) || - (sink_code == MEDIA_BUS_FMT_Y10_1X10 && - src_code == MEDIA_BUS_FMT_Y10_2X8_PADHI_LE)) { - val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING; - val |= CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16; - val |= CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB; + if (csid->testgen.nmodes != CSID_PAYLOAD_MODE_DISABLED) { + ret = v4l2_ctrl_handler_setup(&csid->ctrls); + if (ret < 0) { + dev_err(csid->camss->dev, + "could not sync v4l2 controls: %d\n", ret); + return ret; } } - writel_relaxed(val, csid->base + - CAMSS_CSID_CID_n_CFG(ver, cid)); + if (!csid->testgen.enabled && + !media_pad_remote_pad_first(&csid->pads[MSM_CSID_PAD_SINK])) + return -ENOLINK; + } - if (tg->enabled) { - val = CAMSS_CSID_TG_CTRL_ENABLE; - writel_relaxed(val, csid->base + - CAMSS_CSID_TG_CTRL(ver)); - } - } else { - if (tg->enabled) { - val = CAMSS_CSID_TG_CTRL_DISABLE; - writel_relaxed(val, csid->base + - CAMSS_CSID_TG_CTRL(ver)); - } + if (csid->phy.need_vc_update) { + csid->res->hw_ops->configure_stream(csid, enable); + csid->phy.need_vc_update = false; } return 0; @@ -752,7 +786,7 @@ static int csid_set_stream(struct v4l2_subdev *sd, int enable) /* * __csid_get_format - Get pointer to format structure * @csid: CSID device - * @cfg: V4L2 subdev pad configuration + * @sd_state: V4L2 subdev state * @pad: pad from which format is requested * @which: TRY or ACTIVE format * @@ -760,12 +794,12 @@ static int csid_set_stream(struct v4l2_subdev *sd, int enable) */ static struct v4l2_mbus_framefmt * __csid_get_format(struct csid_device *csid, - struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_state *sd_state, unsigned int pad, enum v4l2_subdev_format_whence which) { if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_format(&csid->subdev, cfg, pad); + return v4l2_subdev_state_get_format(sd_state, pad); return &csid->fmt[pad]; } @@ -773,13 +807,13 @@ __csid_get_format(struct csid_device *csid, /* * csid_try_format - Handle try format by pad subdev method * @csid: CSID 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 */ static void csid_try_format(struct csid_device *csid, - struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_state *sd_state, unsigned int pad, struct v4l2_mbus_framefmt *fmt, enum v4l2_subdev_format_whence which) @@ -790,13 +824,13 @@ static void csid_try_format(struct csid_device *csid, case MSM_CSID_PAD_SINK: /* Set format on sink pad */ - for (i = 0; i < csid->nformats; i++) - if (fmt->code == csid->formats[i].code) + for (i = 0; i < csid->res->formats->nformats; i++) + if (fmt->code == csid->res->formats->formats[i].code) break; /* If not found, use UYVY as default */ - if (i >= csid->nformats) - fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; + if (i >= csid->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); @@ -807,25 +841,26 @@ static void csid_try_format(struct csid_device *csid, break; case MSM_CSID_PAD_SRC: - if (csid->testgen_mode->cur.val == 0) { + if (csid->testgen.nmodes == CSID_PAYLOAD_MODE_DISABLED || + csid->testgen_mode->cur.val == 0) { /* Test generator is disabled, */ /* keep pad formats in sync */ u32 code = fmt->code; - *fmt = *__csid_get_format(csid, cfg, + *fmt = *__csid_get_format(csid, sd_state, MSM_CSID_PAD_SINK, which); - fmt->code = csid_src_pad_code(csid, fmt->code, 0, code); + fmt->code = csid->res->hw_ops->src_pad_code(csid, fmt->code, 0, code); } else { /* Test generator is enabled, set format on source */ /* pad to allow test generator usage */ - for (i = 0; i < csid->nformats; i++) - if (csid->formats[i].code == fmt->code) + for (i = 0; i < csid->res->formats->nformats; i++) + if (csid->res->formats->formats[i].code == fmt->code) break; /* If not found, use UYVY as default */ - if (i >= csid->nformats) - fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; + if (i >= csid->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); @@ -841,38 +876,39 @@ static void csid_try_format(struct csid_device *csid, /* * csid_enum_mbus_code - Handle pixel format enumeration * @sd: CSID 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 */ static int csid_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { struct csid_device *csid = v4l2_get_subdevdata(sd); if (code->pad == MSM_CSID_PAD_SINK) { - if (code->index >= csid->nformats) + if (code->index >= csid->res->formats->nformats) return -EINVAL; - code->code = csid->formats[code->index].code; + code->code = csid->res->formats->formats[code->index].code; } else { - if (csid->testgen_mode->cur.val == 0) { + if (csid->testgen.nmodes == CSID_PAYLOAD_MODE_DISABLED || + csid->testgen_mode->cur.val == 0) { struct v4l2_mbus_framefmt *sink_fmt; - sink_fmt = __csid_get_format(csid, cfg, + sink_fmt = __csid_get_format(csid, sd_state, MSM_CSID_PAD_SINK, code->which); - code->code = csid_src_pad_code(csid, sink_fmt->code, - code->index, 0); + code->code = csid->res->hw_ops->src_pad_code(csid, sink_fmt->code, + code->index, 0); if (!code->code) return -EINVAL; } else { - if (code->index >= csid->nformats) + if (code->index >= csid->res->formats->nformats) return -EINVAL; - code->code = csid->formats[code->index].code; + code->code = csid->res->formats->formats[code->index].code; } } @@ -882,12 +918,12 @@ static int csid_enum_mbus_code(struct v4l2_subdev *sd, /* * csid_enum_frame_size - Handle frame size enumeration * @sd: CSID 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 */ static int csid_enum_frame_size(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { struct csid_device *csid = v4l2_get_subdevdata(sd); @@ -899,7 +935,7 @@ static int csid_enum_frame_size(struct v4l2_subdev *sd, format.code = fse->code; format.width = 1; format.height = 1; - csid_try_format(csid, cfg, fse->pad, &format, fse->which); + csid_try_format(csid, sd_state, fse->pad, &format, fse->which); fse->min_width = format.width; fse->min_height = format.height; @@ -909,7 +945,7 @@ static int csid_enum_frame_size(struct v4l2_subdev *sd, format.code = fse->code; format.width = -1; format.height = -1; - csid_try_format(csid, cfg, fse->pad, &format, fse->which); + csid_try_format(csid, sd_state, fse->pad, &format, fse->which); fse->max_width = format.width; fse->max_height = format.height; @@ -919,19 +955,19 @@ static int csid_enum_frame_size(struct v4l2_subdev *sd, /* * csid_get_format - Handle get format by pads subdev method * @sd: CSID 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 */ static int csid_get_format(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { struct csid_device *csid = v4l2_get_subdevdata(sd); struct v4l2_mbus_framefmt *format; - format = __csid_get_format(csid, cfg, fmt->pad, fmt->which); + format = __csid_get_format(csid, sd_state, fmt->pad, fmt->which); if (format == NULL) return -EINVAL; @@ -943,33 +979,34 @@ static int csid_get_format(struct v4l2_subdev *sd, /* * csid_set_format - Handle set format by pads subdev method * @sd: CSID 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 */ static int csid_set_format(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { struct csid_device *csid = v4l2_get_subdevdata(sd); struct v4l2_mbus_framefmt *format; + int i; - format = __csid_get_format(csid, cfg, fmt->pad, fmt->which); + format = __csid_get_format(csid, sd_state, fmt->pad, fmt->which); if (format == NULL) return -EINVAL; - csid_try_format(csid, cfg, fmt->pad, &fmt->format, fmt->which); + csid_try_format(csid, sd_state, fmt->pad, &fmt->format, fmt->which); *format = fmt->format; - /* Propagate the format from sink to source */ + /* Propagate the format from sink to source pads */ if (fmt->pad == MSM_CSID_PAD_SINK) { - format = __csid_get_format(csid, cfg, MSM_CSID_PAD_SRC, - fmt->which); + for (i = MSM_CSID_PAD_FIRST_SRC; i < MSM_CSID_PADS_NUM; ++i) { + format = __csid_get_format(csid, sd_state, i, fmt->which); - *format = fmt->format; - csid_try_format(csid, cfg, MSM_CSID_PAD_SRC, format, - fmt->which); + *format = fmt->format; + csid_try_format(csid, sd_state, i, format, fmt->which); + } } return 0; @@ -991,24 +1028,15 @@ static int csid_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) .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 } }; - return csid_set_format(sd, fh ? fh->pad : NULL, &format); + return csid_set_format(sd, fh ? fh->state : NULL, &format); } -static const char * const csid_test_pattern_menu[] = { - "Disabled", - "Incrementing", - "Alternating 0x55/0xAA", - "All Zeros 0x00", - "All Ones 0xFF", - "Pseudo-random Data", -}; - /* * csid_set_test_pattern - Set test generator's pattern mode * @csid: CSID device @@ -1021,30 +1049,12 @@ static int csid_set_test_pattern(struct csid_device *csid, s32 value) struct csid_testgen_config *tg = &csid->testgen; /* If CSID is linked to CSIPHY, do not allow to enable test generator */ - if (value && media_entity_remote_pad(&csid->pads[MSM_CSID_PAD_SINK])) + if (value && media_pad_remote_pad_first(&csid->pads[MSM_CSID_PAD_SINK])) return -EBUSY; tg->enabled = !!value; - switch (value) { - case 1: - tg->payload_mode = CSID_PAYLOAD_MODE_INCREMENTING; - break; - case 2: - tg->payload_mode = CSID_PAYLOAD_MODE_ALTERNATING_55_AA; - break; - case 3: - tg->payload_mode = CSID_PAYLOAD_MODE_ALL_ZEROES; - break; - case 4: - tg->payload_mode = CSID_PAYLOAD_MODE_ALL_ONES; - break; - case 5: - tg->payload_mode = CSID_PAYLOAD_MODE_RANDOM; - break; - } - - return 0; + return csid->res->hw_ops->configure_testgen_pattern(csid, value); } /* @@ -1081,59 +1091,60 @@ static const struct v4l2_ctrl_ops csid_ctrl_ops = { * Return 0 on success or a negative error code otherwise */ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid, - 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; csid->camss = camss; csid->id = id; + csid->res = &res->csid; - if (camss->version == CAMSS_8x16) { - csid->formats = csid_formats_8x16; - csid->nformats = - ARRAY_SIZE(csid_formats_8x16); - } else if (camss->version == CAMSS_8x96) { - csid->formats = csid_formats_8x96; - csid->nformats = - ARRAY_SIZE(csid_formats_8x96); - } else { + if (dev_WARN_ONCE(dev, !csid->res->parent_dev_ops, + "Error: CSID depends on VFE/IFE device ops!\n")) { return -EINVAL; } + csid->res->hw_ops->subdev_init(csid); + /* Memory */ - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[0]); - csid->base = devm_ioremap_resource(dev, r); - if (IS_ERR(csid->base)) { - dev_err(dev, "could not map memory\n"); - return PTR_ERR(csid->base); + if (camss->res->version == CAMSS_8250) { + /* for titan 480, CSID registers are inside the VFE region, + * between the VFE "top" and "bus" registers. this requires + * VFE to be initialized before CSID + */ + if (id >= 2) /* VFE/CSID lite */ + csid->base = csid->res->parent_dev_ops->get_base_address(camss, id) + + VFE_480_LITE_CSID_OFFSET; + else + csid->base = csid->res->parent_dev_ops->get_base_address(camss, id) + + VFE_480_CSID_OFFSET; + } else { + csid->base = devm_platform_ioremap_resource_byname(pdev, res->reg[0]); + if (IS_ERR(csid->base)) + return PTR_ERR(csid->base); } /* 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; - csid->irq = r->start; + csid->irq = ret; snprintf(csid->irq_name, sizeof(csid->irq_name), "%s_%s%d", dev_name(dev), MSM_CSID_NAME, csid->id); - ret = devm_request_irq(dev, csid->irq, csid_isr, - IRQF_TRIGGER_RISING, csid->irq_name, csid); + ret = devm_request_irq(dev, csid->irq, csid->res->hw_ops->isr, + IRQF_TRIGGER_RISING | IRQF_NO_AUTOEN, + csid->irq_name, csid); if (ret < 0) { dev_err(dev, "request_irq failed: %d\n", ret); return ret; } - disable_irq(csid->irq); - /* Clocks */ csid->nclocks = 0; @@ -1175,13 +1186,28 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid, } /* Regulator */ + for (i = 0; i < ARRAY_SIZE(res->regulators); i++) { + if (res->regulators[i]) + csid->num_supplies++; + } - csid->vdda = devm_regulator_get(dev, res->regulator[0]); - if (IS_ERR(csid->vdda)) { - dev_err(dev, "could not get regulator\n"); - return PTR_ERR(csid->vdda); + if (csid->num_supplies) { + csid->supplies = devm_kmalloc_array(camss->dev, + csid->num_supplies, + sizeof(*csid->supplies), + GFP_KERNEL); + if (!csid->supplies) + return -ENOMEM; } + for (i = 0; i < csid->num_supplies; i++) + csid->supplies[i].supply = res->regulators[i]; + + ret = devm_regulator_bulk_get(camss->dev, csid->num_supplies, + csid->supplies); + if (ret) + return ret; + init_completion(&csid->reset_complete); return 0; @@ -1231,7 +1257,7 @@ static int csid_link_setup(struct media_entity *entity, const struct media_pad *remote, u32 flags) { if (flags & MEDIA_LNK_FL_ENABLED) - if (media_entity_remote_pad(local)) + if (media_pad_remote_pad_first(local)) return -EBUSY; if ((local->flags & MEDIA_PAD_FL_SINK) && @@ -1240,14 +1266,14 @@ static int csid_link_setup(struct media_entity *entity, struct csid_device *csid; struct csiphy_device *csiphy; struct csiphy_lanes_cfg *lane_cfg; - struct v4l2_subdev_format format = { 0 }; sd = media_entity_to_v4l2_subdev(entity); csid = v4l2_get_subdevdata(sd); /* If test generator is enabled */ /* do not allow a link from CSIPHY to CSID */ - if (csid->testgen_mode->cur.val != 0) + if (csid->testgen.nmodes != CSID_PAYLOAD_MODE_DISABLED && + csid->testgen_mode->cur.val != 0) return -EBUSY; sd = media_entity_to_v4l2_subdev(remote->entity); @@ -1263,11 +1289,22 @@ static int csid_link_setup(struct media_entity *entity, lane_cfg = &csiphy->cfg.csi2->lane_cfg; csid->phy.lane_cnt = lane_cfg->num_data; csid->phy.lane_assign = csid_get_lane_assign(lane_cfg); + } + /* Decide which virtual channels to enable based on which source pads are enabled */ + if (local->flags & MEDIA_PAD_FL_SOURCE) { + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); + struct csid_device *csid = v4l2_get_subdevdata(sd); + struct device *dev = csid->camss->dev; - /* Reset format on source pad to sink pad format */ - format.pad = MSM_CSID_PAD_SRC; - format.which = V4L2_SUBDEV_FORMAT_ACTIVE; - csid_set_format(&csid->subdev, NULL, &format); + if (flags & MEDIA_LNK_FL_ENABLED) + csid->phy.en_vc |= BIT(local->index - 1); + else + csid->phy.en_vc &= ~BIT(local->index - 1); + + csid->phy.need_vc_update = true; + + dev_dbg(dev, "%s: Enabled CSID virtual channels mask 0x%x\n", + __func__, csid->phy.en_vc); } return 0; @@ -1318,6 +1355,7 @@ int msm_csid_register_entity(struct csid_device *csid, struct v4l2_subdev *sd = &csid->subdev; struct media_pad *pads = csid->pads; struct device *dev = csid->camss->dev; + int i; int ret; v4l2_subdev_init(sd, &csid_v4l2_ops); @@ -1328,24 +1366,27 @@ int msm_csid_register_entity(struct csid_device *csid, MSM_CSID_NAME, csid->id); v4l2_set_subdevdata(sd, csid); - ret = v4l2_ctrl_handler_init(&csid->ctrls, 1); - if (ret < 0) { - dev_err(dev, "Failed to init ctrl handler: %d\n", ret); - return ret; - } + if (csid->testgen.nmodes != CSID_PAYLOAD_MODE_DISABLED) { + ret = v4l2_ctrl_handler_init(&csid->ctrls, 1); + if (ret < 0) { + dev_err(dev, "Failed to init ctrl handler: %d\n", ret); + return ret; + } - csid->testgen_mode = v4l2_ctrl_new_std_menu_items(&csid->ctrls, - &csid_ctrl_ops, V4L2_CID_TEST_PATTERN, - ARRAY_SIZE(csid_test_pattern_menu) - 1, 0, 0, - csid_test_pattern_menu); + csid->testgen_mode = + v4l2_ctrl_new_std_menu_items(&csid->ctrls, + &csid_ctrl_ops, V4L2_CID_TEST_PATTERN, + csid->testgen.nmodes, 0, 0, + csid->testgen.modes); - if (csid->ctrls.error) { - dev_err(dev, "Failed to init ctrl: %d\n", csid->ctrls.error); - ret = csid->ctrls.error; - goto free_ctrl; - } + if (csid->ctrls.error) { + dev_err(dev, "Failed to init ctrl: %d\n", csid->ctrls.error); + ret = csid->ctrls.error; + goto free_ctrl; + } - csid->subdev.ctrl_handler = &csid->ctrls; + csid->subdev.ctrl_handler = &csid->ctrls; + } ret = csid_init_formats(sd, NULL); if (ret < 0) { @@ -1354,9 +1395,10 @@ int msm_csid_register_entity(struct csid_device *csid, } pads[MSM_CSID_PAD_SINK].flags = MEDIA_PAD_FL_SINK; - pads[MSM_CSID_PAD_SRC].flags = MEDIA_PAD_FL_SOURCE; + for (i = MSM_CSID_PAD_FIRST_SRC; i < MSM_CSID_PADS_NUM; ++i) + pads[i].flags = MEDIA_PAD_FL_SOURCE; - sd->entity.function = MEDIA_ENT_F_IO_V4L; + sd->entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER; sd->entity.ops = &csid_media_ops; ret = media_entity_pads_init(&sd->entity, MSM_CSID_PADS_NUM, pads); if (ret < 0) { @@ -1375,7 +1417,8 @@ int msm_csid_register_entity(struct csid_device *csid, media_cleanup: media_entity_cleanup(&sd->entity); free_ctrl: - v4l2_ctrl_handler_free(&csid->ctrls); + if (csid->testgen.nmodes != CSID_PAYLOAD_MODE_DISABLED) + v4l2_ctrl_handler_free(&csid->ctrls); return ret; } @@ -1388,5 +1431,11 @@ void msm_csid_unregister_entity(struct csid_device *csid) { v4l2_device_unregister_subdev(&csid->subdev); media_entity_cleanup(&csid->subdev.entity); - v4l2_ctrl_handler_free(&csid->ctrls); + if (csid->testgen.nmodes != CSID_PAYLOAD_MODE_DISABLED) + v4l2_ctrl_handler_free(&csid->ctrls); +} + +inline bool csid_is_lite(struct csid_device *csid) +{ + return csid->camss->res->csid_res[csid->id].csid.is_lite; } |