diff options
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-csid-gen2.c')
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-csid-gen2.c | 467 |
1 files changed, 135 insertions, 332 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csid-gen2.c b/drivers/media/platform/qcom/camss/camss-csid-gen2.c index b11de4797cca..2a1746dcc1c5 100644 --- a/drivers/media/platform/qcom/camss/camss-csid-gen2.c +++ b/drivers/media/platform/qcom/camss/camss-csid-gen2.c @@ -22,11 +22,6 @@ * alternate register layout. */ -#define CSID_HW_VERSION 0x0 -#define HW_VERSION_STEPPING 0 -#define HW_VERSION_REVISION 16 -#define HW_VERSION_GENERATION 28 - #define CSID_RST_STROBES 0x10 #define RST_STROBES 0 @@ -176,306 +171,171 @@ #define TPG_COLOR_BOX_CFG_MODE 0 #define TPG_COLOR_BOX_PATTERN_SEL 2 -static const struct csid_format csid_formats[] = { - { - MEDIA_BUS_FMT_UYVY8_1X16, - DATA_TYPE_YUV422_8BIT, - DECODE_FORMAT_UNCOMPRESSED_8_BIT, - 8, - 2, - }, - { - MEDIA_BUS_FMT_VYUY8_1X16, - DATA_TYPE_YUV422_8BIT, - DECODE_FORMAT_UNCOMPRESSED_8_BIT, - 8, - 2, - }, - { - MEDIA_BUS_FMT_YUYV8_1X16, - DATA_TYPE_YUV422_8BIT, - DECODE_FORMAT_UNCOMPRESSED_8_BIT, - 8, - 2, - }, - { - MEDIA_BUS_FMT_YVYU8_1X16, - DATA_TYPE_YUV422_8BIT, - DECODE_FORMAT_UNCOMPRESSED_8_BIT, - 8, - 2, - }, - { - MEDIA_BUS_FMT_SBGGR8_1X8, - DATA_TYPE_RAW_8BIT, - DECODE_FORMAT_UNCOMPRESSED_8_BIT, - 8, - 1, - }, - { - MEDIA_BUS_FMT_SGBRG8_1X8, - DATA_TYPE_RAW_8BIT, - DECODE_FORMAT_UNCOMPRESSED_8_BIT, - 8, - 1, - }, - { - MEDIA_BUS_FMT_SGRBG8_1X8, - DATA_TYPE_RAW_8BIT, - DECODE_FORMAT_UNCOMPRESSED_8_BIT, - 8, - 1, - }, - { - MEDIA_BUS_FMT_SRGGB8_1X8, - DATA_TYPE_RAW_8BIT, - DECODE_FORMAT_UNCOMPRESSED_8_BIT, - 8, - 1, - }, - { - MEDIA_BUS_FMT_SBGGR10_1X10, - DATA_TYPE_RAW_10BIT, - DECODE_FORMAT_UNCOMPRESSED_10_BIT, - 10, - 1, - }, - { - MEDIA_BUS_FMT_SGBRG10_1X10, - DATA_TYPE_RAW_10BIT, - DECODE_FORMAT_UNCOMPRESSED_10_BIT, - 10, - 1, - }, - { - MEDIA_BUS_FMT_SGRBG10_1X10, - DATA_TYPE_RAW_10BIT, - DECODE_FORMAT_UNCOMPRESSED_10_BIT, - 10, - 1, - }, - { - MEDIA_BUS_FMT_SRGGB10_1X10, - DATA_TYPE_RAW_10BIT, - DECODE_FORMAT_UNCOMPRESSED_10_BIT, - 10, - 1, - }, - { - MEDIA_BUS_FMT_Y8_1X8, - DATA_TYPE_RAW_8BIT, - DECODE_FORMAT_UNCOMPRESSED_8_BIT, - 8, - 1, - }, - { - MEDIA_BUS_FMT_Y10_1X10, - DATA_TYPE_RAW_10BIT, - DECODE_FORMAT_UNCOMPRESSED_10_BIT, - 10, - 1, - }, - { - MEDIA_BUS_FMT_SBGGR12_1X12, - DATA_TYPE_RAW_12BIT, - DECODE_FORMAT_UNCOMPRESSED_12_BIT, - 12, - 1, - }, - { - MEDIA_BUS_FMT_SGBRG12_1X12, - DATA_TYPE_RAW_12BIT, - DECODE_FORMAT_UNCOMPRESSED_12_BIT, - 12, - 1, - }, - { - MEDIA_BUS_FMT_SGRBG12_1X12, - DATA_TYPE_RAW_12BIT, - DECODE_FORMAT_UNCOMPRESSED_12_BIT, - 12, - 1, - }, - { - MEDIA_BUS_FMT_SRGGB12_1X12, - DATA_TYPE_RAW_12BIT, - DECODE_FORMAT_UNCOMPRESSED_12_BIT, - 12, - 1, - }, - { - MEDIA_BUS_FMT_SBGGR14_1X14, - DATA_TYPE_RAW_14BIT, - DECODE_FORMAT_UNCOMPRESSED_14_BIT, - 14, - 1, - }, - { - MEDIA_BUS_FMT_SGBRG14_1X14, - DATA_TYPE_RAW_14BIT, - DECODE_FORMAT_UNCOMPRESSED_14_BIT, - 14, - 1, - }, - { - MEDIA_BUS_FMT_SGRBG14_1X14, - DATA_TYPE_RAW_14BIT, - DECODE_FORMAT_UNCOMPRESSED_14_BIT, - 14, - 1, - }, - { - MEDIA_BUS_FMT_SRGGB14_1X14, - DATA_TYPE_RAW_14BIT, - DECODE_FORMAT_UNCOMPRESSED_14_BIT, - 14, - 1, - }, -}; - -static void __csid_configure_stream(struct csid_device *csid, u8 enable, u8 vc) +static void __csid_configure_rx(struct csid_device *csid, + struct csid_phy_config *phy, int vc) { - struct csid_testgen_config *tg = &csid->testgen; - u32 val; - u32 phy_sel = 0; u8 lane_cnt = csid->phy.lane_cnt; - /* Source pads matching RDI channels on hardware. Pad 1 -> RDI0, Pad 2 -> RDI1, etc. */ - struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_FIRST_SRC + vc]; - const struct csid_format *format = csid_get_fmt_entry(csid->formats, csid->nformats, - input_format->code); + int val; if (!lane_cnt) lane_cnt = 4; - if (!tg->enabled) - phy_sel = csid->phy.csiphy_id; - - if (enable) { - /* - * DT_ID is a two bit bitfield that is concatenated with - * the four least significant bits of the five bit VC - * bitfield to generate an internal CID value. - * - * CSID_RDI_CFG0(vc) - * DT_ID : 28:27 - * VC : 26:22 - * DT : 21:16 - * - * CID : VC 3:0 << 2 | DT_ID 1:0 - */ - u8 dt_id = vc & 0x03; - - if (tg->enabled) { - /* configure one DT, infinite frames */ - val = vc << TPG_VC_CFG0_VC_NUM; - val |= INTELEAVING_MODE_ONE_SHOT << TPG_VC_CFG0_LINE_INTERLEAVING_MODE; - val |= 0 << TPG_VC_CFG0_NUM_FRAMES; - writel_relaxed(val, csid->base + CSID_TPG_VC_CFG0); - - val = 0x740 << TPG_VC_CFG1_H_BLANKING_COUNT; - val |= 0x3ff << TPG_VC_CFG1_V_BLANKING_COUNT; - writel_relaxed(val, csid->base + CSID_TPG_VC_CFG1); - - writel_relaxed(0x12345678, csid->base + CSID_TPG_LFSR_SEED); - - val = (input_format->height & 0x1fff) << TPG_DT_n_CFG_0_FRAME_HEIGHT; - val |= (input_format->width & 0x1fff) << TPG_DT_n_CFG_0_FRAME_WIDTH; - writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_0(0)); - - val = format->data_type << TPG_DT_n_CFG_1_DATA_TYPE; - writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_1(0)); - - val = (tg->mode - 1) << TPG_DT_n_CFG_2_PAYLOAD_MODE; - val |= 0xBE << TPG_DT_n_CFG_2_USER_SPECIFIED_PAYLOAD; - val |= format->decode_format << TPG_DT_n_CFG_2_ENCODE_FORMAT; - writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_2(0)); - - writel_relaxed(0, csid->base + CSID_TPG_COLOR_BARS_CFG); - - writel_relaxed(0, csid->base + CSID_TPG_COLOR_BOX_CFG); - } + val = (lane_cnt - 1) << CSI2_RX_CFG0_NUM_ACTIVE_LANES; + val |= phy->lane_assign << CSI2_RX_CFG0_DL0_INPUT_SEL; + val |= phy->csiphy_id << CSI2_RX_CFG0_PHY_NUM_SEL; + writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG0); - val = 1 << RDI_CFG0_BYTE_CNTR_EN; - val |= 1 << RDI_CFG0_FORMAT_MEASURE_EN; - val |= 1 << RDI_CFG0_TIMESTAMP_EN; - /* note: for non-RDI path, this should be format->decode_format */ - val |= DECODE_FORMAT_PAYLOAD_ONLY << RDI_CFG0_DECODE_FORMAT; - val |= format->data_type << RDI_CFG0_DATA_TYPE; - val |= vc << RDI_CFG0_VIRTUAL_CHANNEL; - val |= dt_id << RDI_CFG0_DT_ID; - writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc)); + val = 1 << CSI2_RX_CFG1_PACKET_ECC_CORRECTION_EN; + if (vc > 3) + val |= 1 << CSI2_RX_CFG1_VC_MODE; + val |= 1 << CSI2_RX_CFG1_MISR_EN; + writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG1); +} - /* CSID_TIMESTAMP_STB_POST_IRQ */ - val = 2 << RDI_CFG1_TIMESTAMP_STB_SEL; - writel_relaxed(val, csid->base + CSID_RDI_CFG1(vc)); +static void __csid_ctrl_rdi(struct csid_device *csid, int enable, u8 rdi) +{ + int val; - val = 1; - writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PERIOD(vc)); + if (enable) + val = HALT_CMD_RESUME_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD; + else + val = HALT_CMD_HALT_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD; + writel_relaxed(val, csid->base + CSID_RDI_CTRL(rdi)); +} - val = 0; - writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PATTERN(vc)); +static void __csid_configure_testgen(struct csid_device *csid, u8 enable, u8 vc) +{ + struct csid_testgen_config *tg = &csid->testgen; + struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_FIRST_SRC + vc]; + const struct csid_format_info *format = csid_get_fmt_entry(csid->res->formats->formats, + csid->res->formats->nformats, + input_format->code); + u8 lane_cnt = csid->phy.lane_cnt; + u32 val; - val = 1; - writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PERIOD(vc)); + if (!lane_cnt) + lane_cnt = 4; - val = 0; - writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PATTERN(vc)); + /* configure one DT, infinite frames */ + val = vc << TPG_VC_CFG0_VC_NUM; + val |= INTELEAVING_MODE_ONE_SHOT << TPG_VC_CFG0_LINE_INTERLEAVING_MODE; + val |= 0 << TPG_VC_CFG0_NUM_FRAMES; + writel_relaxed(val, csid->base + CSID_TPG_VC_CFG0); - val = 1; - writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PERIOD(vc)); + val = 0x740 << TPG_VC_CFG1_H_BLANKING_COUNT; + val |= 0x3ff << TPG_VC_CFG1_V_BLANKING_COUNT; + writel_relaxed(val, csid->base + CSID_TPG_VC_CFG1); - val = 0; - writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PATTERN(vc)); + writel_relaxed(0x12345678, csid->base + CSID_TPG_LFSR_SEED); - val = 1; - writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PERIOD(vc)); + val = (input_format->height & 0x1fff) << TPG_DT_n_CFG_0_FRAME_HEIGHT; + val |= (input_format->width & 0x1fff) << TPG_DT_n_CFG_0_FRAME_WIDTH; + writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_0(0)); - val = 0; - writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PATTERN(vc)); + val = format->data_type << TPG_DT_n_CFG_1_DATA_TYPE; + writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_1(0)); - val = 0; - writel_relaxed(val, csid->base + CSID_RDI_CTRL(vc)); + val = (tg->mode - 1) << TPG_DT_n_CFG_2_PAYLOAD_MODE; + val |= 0xBE << TPG_DT_n_CFG_2_USER_SPECIFIED_PAYLOAD; + val |= format->decode_format << TPG_DT_n_CFG_2_ENCODE_FORMAT; + writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_2(0)); - val = readl_relaxed(csid->base + CSID_RDI_CFG0(vc)); - val |= 1 << RDI_CFG0_ENABLE; - writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc)); - } + writel_relaxed(0, csid->base + CSID_TPG_COLOR_BARS_CFG); - if (tg->enabled) { - val = enable << TPG_CTRL_TEST_EN; - val |= 1 << TPG_CTRL_FS_PKT_EN; - val |= 1 << TPG_CTRL_FE_PKT_EN; - val |= (lane_cnt - 1) << TPG_CTRL_NUM_ACTIVE_LANES; - val |= 0x64 << TPG_CTRL_CYCLES_BETWEEN_PKTS; - val |= 0xA << TPG_CTRL_NUM_TRAIL_BYTES; - writel_relaxed(val, csid->base + CSID_TPG_CTRL); - } + writel_relaxed(0, csid->base + CSID_TPG_COLOR_BOX_CFG); - val = (lane_cnt - 1) << CSI2_RX_CFG0_NUM_ACTIVE_LANES; - val |= csid->phy.lane_assign << CSI2_RX_CFG0_DL0_INPUT_SEL; - val |= phy_sel << CSI2_RX_CFG0_PHY_NUM_SEL; - writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG0); + val = enable << TPG_CTRL_TEST_EN; + val |= 1 << TPG_CTRL_FS_PKT_EN; + val |= 1 << TPG_CTRL_FE_PKT_EN; + val |= (lane_cnt - 1) << TPG_CTRL_NUM_ACTIVE_LANES; + val |= 0x64 << TPG_CTRL_CYCLES_BETWEEN_PKTS; + val |= 0xA << TPG_CTRL_NUM_TRAIL_BYTES; + writel_relaxed(val, csid->base + CSID_TPG_CTRL); +} - val = 1 << CSI2_RX_CFG1_PACKET_ECC_CORRECTION_EN; - if (vc > 3) - val |= 1 << CSI2_RX_CFG1_VC_MODE; - val |= 1 << CSI2_RX_CFG1_MISR_EN; - writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG1); +static void __csid_configure_rdi_stream(struct csid_device *csid, u8 enable, u8 vc) +{ + /* Source pads matching RDI channels on hardware. Pad 1 -> RDI0, Pad 2 -> RDI1, etc. */ + struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_FIRST_SRC + vc]; + const struct csid_format_info *format = csid_get_fmt_entry(csid->res->formats->formats, + csid->res->formats->nformats, + input_format->code); + u32 val; - if (enable) - val = HALT_CMD_RESUME_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD; - else - val = HALT_CMD_HALT_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD; + /* + * DT_ID is a two bit bitfield that is concatenated with + * the four least significant bits of the five bit VC + * bitfield to generate an internal CID value. + * + * CSID_RDI_CFG0(vc) + * DT_ID : 28:27 + * VC : 26:22 + * DT : 21:16 + * + * CID : VC 3:0 << 2 | DT_ID 1:0 + */ + u8 dt_id = vc & 0x03; + + val = 1 << RDI_CFG0_BYTE_CNTR_EN; + val |= 1 << RDI_CFG0_FORMAT_MEASURE_EN; + val |= 1 << RDI_CFG0_TIMESTAMP_EN; + /* note: for non-RDI path, this should be format->decode_format */ + val |= DECODE_FORMAT_PAYLOAD_ONLY << RDI_CFG0_DECODE_FORMAT; + val |= format->data_type << RDI_CFG0_DATA_TYPE; + val |= vc << RDI_CFG0_VIRTUAL_CHANNEL; + val |= dt_id << RDI_CFG0_DT_ID; + writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc)); + + /* CSID_TIMESTAMP_STB_POST_IRQ */ + val = 2 << RDI_CFG1_TIMESTAMP_STB_SEL; + writel_relaxed(val, csid->base + CSID_RDI_CFG1(vc)); + + val = 1; + writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PERIOD(vc)); + + val = 0; + writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PATTERN(vc)); + + val = 1; + writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PERIOD(vc)); + + val = 0; + writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PATTERN(vc)); + + val = 1; + writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PERIOD(vc)); + + val = 0; + writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PATTERN(vc)); + + val = 1; + writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PERIOD(vc)); + + val = 0; + writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PATTERN(vc)); + + val = 0; writel_relaxed(val, csid->base + CSID_RDI_CTRL(vc)); + + val = readl_relaxed(csid->base + CSID_RDI_CFG0(vc)); + val |= enable << RDI_CFG0_ENABLE; + writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc)); } static void csid_configure_stream(struct csid_device *csid, u8 enable) { + struct csid_testgen_config *tg = &csid->testgen; u8 i; /* Loop through all enabled VCs and configure stream for each */ for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS; i++) - if (csid->phy.en_vc & BIT(i)) - __csid_configure_stream(csid, enable, i); + if (csid->phy.en_vc & BIT(i)) { + if (tg->enabled) + __csid_configure_testgen(csid, enable, i); + + __csid_configure_rdi_stream(csid, enable, i); + __csid_configure_rx(csid, &csid->phy, i); + __csid_ctrl_rdi(csid, enable, i); + } } static int csid_configure_testgen_pattern(struct csid_device *csid, s32 val) @@ -487,29 +347,6 @@ static int csid_configure_testgen_pattern(struct csid_device *csid, s32 val) } /* - * csid_hw_version - CSID hardware version query - * @csid: CSID device - * - * Return HW version or error - */ -static u32 csid_hw_version(struct csid_device *csid) -{ - 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 HW Version = %u.%u.%u\n", - hw_gen, hw_rev, hw_step); - - return hw_version; -} - -/* * csid_isr - CSID module interrupt service routine * @irq: Interrupt line * @dev: CSID device @@ -578,42 +415,8 @@ static int csid_reset(struct csid_device *csid) return 0; } -static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code, - unsigned int match_format_idx, u32 match_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, - }; - - 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 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; - } -} - static void csid_subdev_init(struct csid_device *csid) { - csid->formats = csid_formats; - csid->nformats = ARRAY_SIZE(csid_formats); csid->testgen.modes = csid_testgen_modes; csid->testgen.nmodes = CSID_PAYLOAD_MODE_NUM_SUPPORTED_GEN2; } |