.. | .. |
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4 | 4 | #define _RKCIF_MIPI_CSI2_H_ |
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5 | 5 | |
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6 | 6 | #include <linux/notifier.h> |
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| 7 | +#include <media/v4l2-device.h> |
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| 8 | +#include <media/v4l2-fwnode.h> |
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| 9 | +#include <media/v4l2-subdev.h> |
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| 10 | +#include <media/v4l2-event.h> |
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| 11 | +#include <linux/rkcif-config.h> |
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7 | 12 | |
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8 | 13 | #define CSI2_ERR_FSFE_MASK (0xff << 8) |
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9 | 14 | #define CSI2_ERR_COUNT_ALL_MASK (0xff) |
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10 | 15 | |
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11 | | -u32 rkcif_csi2_get_sof(void); |
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12 | | -void rkcif_csi2_set_sof(u32 seq); |
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13 | | -void rkcif_csi2_event_inc_sof(void); |
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14 | | -int __init rkcif_csi2_plat_drv_init(void); |
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15 | | -void __exit rkcif_csi2_plat_drv_exit(void); |
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| 16 | +#define RKCIF_V4L2_EVENT_ELEMS 4 |
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| 17 | + |
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| 18 | +/* |
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| 19 | + * there must be 5 pads: 1 input pad from sensor, and |
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| 20 | + * the 4 virtual channel output pads |
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| 21 | + */ |
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| 22 | +#define CSI2_SINK_PAD 0 |
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| 23 | +#define CSI2_NUM_SINK_PADS 4 |
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| 24 | +#define CSI2_NUM_SRC_PADS 11 |
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| 25 | +#define CSI2_NUM_PADS 5 |
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| 26 | +#define CSI2_NUM_PADS_MAX 12 |
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| 27 | +#define CSI2_NUM_PADS_SINGLE_LINK 2 |
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| 28 | +#define MAX_CSI2_SENSORS 2 |
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| 29 | + |
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| 30 | +#define RKCIF_DEFAULT_WIDTH 640 |
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| 31 | +#define RKCIF_DEFAULT_HEIGHT 480 |
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| 32 | + |
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| 33 | +#define CSI_ERRSTR_LEN (256) |
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| 34 | +#define CSI_VCINFO_LEN (12) |
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| 35 | + |
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| 36 | +/* |
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| 37 | + * The default maximum bit-rate per lane in Mbps, if the |
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| 38 | + * source subdev does not provide V4L2_CID_LINK_FREQ. |
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| 39 | + */ |
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| 40 | +#define CSI2_DEFAULT_MAX_MBPS 849 |
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| 41 | + |
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| 42 | +#define IMX_MEDIA_GRP_ID_CSI2 BIT(8) |
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| 43 | +#define CSIHOST_MAX_ERRINT_COUNT 10 |
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| 44 | + |
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| 45 | +#define DEVICE_NAME "rockchip-mipi-csi2" |
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| 46 | +#define DEVICE_NAME_HW "rockchip-mipi-csi2-hw" |
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| 47 | + |
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| 48 | +/* CSI Host Registers Define */ |
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| 49 | +#define CSIHOST_N_LANES 0x04 |
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| 50 | +#define CSIHOST_DPHY_SHUTDOWNZ 0x08 |
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| 51 | +#define CSIHOST_PHY_RSTZ 0x0c |
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| 52 | +#define CSIHOST_RESETN 0x10 |
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| 53 | +#define CSIHOST_PHY_STATE 0x14 |
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| 54 | +#define CSIHOST_ERR1 0x20 |
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| 55 | +#define CSIHOST_ERR2 0x24 |
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| 56 | +#define CSIHOST_MSK1 0x28 |
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| 57 | +#define CSIHOST_MSK2 0x2c |
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| 58 | +#define CSIHOST_CONTROL 0x40 |
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| 59 | + |
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| 60 | +#define CSIHOST_ERR1_PHYERR_SPTSYNCHS 0x0000000f |
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| 61 | +#define CSIHOST_ERR1_ERR_BNDRY_MATCH 0x000000f0 |
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| 62 | +#define CSIHOST_ERR1_ERR_SEQ 0x00000f00 |
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| 63 | +#define CSIHOST_ERR1_ERR_FRM_DATA 0x0000f000 |
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| 64 | +#define CSIHOST_ERR1_ERR_CRC 0x0f000000 |
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| 65 | +#define CSIHOST_ERR1_ERR_ECC2 0x10000000 |
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| 66 | +#define CSIHOST_ERR1_ERR_CTRL 0x000f0000 |
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| 67 | + |
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| 68 | +#define CSIHOST_ERR2_PHYERR_ESC 0x0000000f |
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| 69 | +#define CSIHOST_ERR2_PHYERR_SOTHS 0x000000f0 |
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| 70 | +#define CSIHOST_ERR2_ECC_CORRECTED 0x00000f00 |
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| 71 | +#define CSIHOST_ERR2_ERR_ID 0x0000f000 |
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| 72 | +#define CSIHOST_ERR2_PHYERR_CODEHS 0x01000000 |
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| 73 | + |
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| 74 | +#define SW_CPHY_EN(x) ((x) << 0) |
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| 75 | +#define SW_DSI_EN(x) ((x) << 4) |
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| 76 | +#define SW_DATATYPE_FS(x) ((x) << 8) |
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| 77 | +#define SW_DATATYPE_FE(x) ((x) << 14) |
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| 78 | +#define SW_DATATYPE_LS(x) ((x) << 20) |
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| 79 | +#define SW_DATATYPE_LE(x) ((x) << 26) |
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| 80 | + |
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| 81 | +#define RK_MAX_CSI_HW (6) |
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| 82 | + |
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| 83 | +/* |
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| 84 | + * add new chip id in tail in time order |
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| 85 | + * by increasing to distinguish csi2 host version |
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| 86 | + */ |
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| 87 | +enum rkcsi2_chip_id { |
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| 88 | + CHIP_PX30_CSI2, |
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| 89 | + CHIP_RK1808_CSI2, |
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| 90 | + CHIP_RK3128_CSI2, |
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| 91 | + CHIP_RK3288_CSI2, |
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| 92 | + CHIP_RV1126_CSI2, |
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| 93 | + CHIP_RK3568_CSI2, |
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| 94 | + CHIP_RK3588_CSI2, |
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| 95 | + CHIP_RV1106_CSI2, |
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| 96 | + CHIP_RK3562_CSI2, |
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| 97 | +}; |
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| 98 | + |
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| 99 | +enum csi2_pads { |
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| 100 | + RK_CSI2_PAD_SINK = 0, |
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| 101 | + RK_CSI2X_PAD_SOURCE0, |
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| 102 | + RK_CSI2X_PAD_SOURCE1, |
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| 103 | + RK_CSI2X_PAD_SOURCE2, |
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| 104 | + RK_CSI2X_PAD_SOURCE3 |
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| 105 | +}; |
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| 106 | + |
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| 107 | +enum csi2_err { |
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| 108 | + RK_CSI2_ERR_SOTSYN = 0x0, |
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| 109 | + RK_CSI2_ERR_FS_FE_MIS, |
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| 110 | + RK_CSI2_ERR_FRM_SEQ_ERR, |
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| 111 | + RK_CSI2_ERR_CRC_ONCE, |
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| 112 | + RK_CSI2_ERR_CRC, |
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| 113 | + RK_CSI2_ERR_ALL, |
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| 114 | + RK_CSI2_ERR_MAX |
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| 115 | +}; |
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| 116 | + |
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| 117 | +enum host_type_t { |
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| 118 | + RK_CSI_RXHOST, |
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| 119 | + RK_DSI_RXHOST |
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| 120 | +}; |
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| 121 | + |
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| 122 | +struct csi2_match_data { |
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| 123 | + int chip_id; |
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| 124 | + int num_pads; |
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| 125 | + int num_hw; |
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| 126 | +}; |
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| 127 | + |
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| 128 | +struct csi2_hw_match_data { |
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| 129 | + int chip_id; |
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| 130 | +}; |
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| 131 | + |
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| 132 | +struct csi2_sensor_info { |
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| 133 | + struct v4l2_subdev *sd; |
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| 134 | + struct v4l2_mbus_config mbus; |
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| 135 | + int lanes; |
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| 136 | +}; |
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| 137 | + |
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| 138 | +struct csi2_err_stats { |
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| 139 | + unsigned int cnt; |
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| 140 | +}; |
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| 141 | + |
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| 142 | +struct csi2_dev { |
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| 143 | + struct device *dev; |
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| 144 | + struct v4l2_subdev sd; |
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| 145 | + struct media_pad pad[CSI2_NUM_PADS_MAX]; |
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| 146 | + struct clk_bulk_data *clks_bulk; |
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| 147 | + int clks_num; |
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| 148 | + struct reset_control *rsts_bulk; |
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| 149 | + |
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| 150 | + void __iomem *base; |
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| 151 | + struct v4l2_async_notifier notifier; |
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| 152 | + struct v4l2_fwnode_bus_mipi_csi2 bus; |
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| 153 | + |
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| 154 | + /* lock to protect all members below */ |
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| 155 | + struct mutex lock; |
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| 156 | + |
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| 157 | + struct v4l2_mbus_framefmt format_mbus; |
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| 158 | + struct v4l2_rect crop; |
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| 159 | + int stream_count; |
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| 160 | + struct v4l2_subdev *src_sd; |
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| 161 | + bool sink_linked[CSI2_NUM_SRC_PADS]; |
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| 162 | + bool is_check_sot_sync; |
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| 163 | + struct csi2_sensor_info sensors[MAX_CSI2_SENSORS]; |
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| 164 | + const struct csi2_match_data *match_data; |
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| 165 | + int num_sensors; |
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| 166 | + atomic_t frm_sync_seq; |
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| 167 | + struct csi2_err_stats err_list[RK_CSI2_ERR_MAX]; |
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| 168 | + struct csi2_hw *csi2_hw[RK_MAX_CSI_HW]; |
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| 169 | + int irq1; |
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| 170 | + int irq2; |
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| 171 | + int dsi_input_en; |
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| 172 | + struct rkcif_csi_info csi_info; |
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| 173 | + const char *dev_name; |
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| 174 | +}; |
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| 175 | + |
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| 176 | +struct csi2_hw { |
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| 177 | + struct device *dev; |
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| 178 | + struct clk_bulk_data *clks_bulk; |
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| 179 | + int clks_num; |
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| 180 | + struct reset_control *rsts_bulk; |
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| 181 | + struct csi2_dev *csi2; |
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| 182 | + const struct csi2_hw_match_data *match_data; |
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| 183 | + |
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| 184 | + void __iomem *base; |
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| 185 | + |
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| 186 | + /* lock to protect all members below */ |
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| 187 | + struct mutex lock; |
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| 188 | + |
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| 189 | + int irq1; |
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| 190 | + int irq2; |
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| 191 | + const char *dev_name; |
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| 192 | +}; |
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| 193 | + |
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| 194 | +u32 rkcif_csi2_get_sof(struct csi2_dev *csi2_dev); |
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| 195 | +void rkcif_csi2_set_sof(struct csi2_dev *csi2_dev, u32 seq); |
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| 196 | +void rkcif_csi2_event_inc_sof(struct csi2_dev *csi2_dev); |
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| 197 | +int rkcif_csi2_plat_drv_init(void); |
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| 198 | +void rkcif_csi2_plat_drv_exit(void); |
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| 199 | +int rkcif_csi2_hw_plat_drv_init(void); |
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| 200 | +void rkcif_csi2_hw_plat_drv_exit(void); |
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16 | 201 | int rkcif_csi2_register_notifier(struct notifier_block *nb); |
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17 | 202 | int rkcif_csi2_unregister_notifier(struct notifier_block *nb); |
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| 203 | +void rkcif_csi2_event_reset_pipe(struct csi2_dev *csi2_dev, int reset_src); |
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18 | 204 | |
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19 | 205 | #endif |
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