diff options
Diffstat (limited to 'drivers/media/platform/rockchip/rkisp1/rkisp1-common.h')
| -rw-r--r-- | drivers/media/platform/rockchip/rkisp1/rkisp1-common.h | 157 |
1 files changed, 127 insertions, 30 deletions
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h index d8fa3f1a5a85..8056997d5c29 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h @@ -23,18 +23,20 @@ #include "rkisp1-regs.h" +struct dentry; + /* - * flags on the 'direction' field in struct 'rkisp1_isp_mbus_info' that indicate + * flags on the 'direction' field in struct rkisp1_mbus_info' that indicate * on which pad the media bus format is supported */ -#define RKISP1_ISP_SD_SRC BIT(0) -#define RKISP1_ISP_SD_SINK BIT(1) +#define RKISP1_ISP_SD_SRC BIT(0) +#define RKISP1_ISP_SD_SINK BIT(1) /* min and max values for the widths and heights of the entities */ -#define RKISP1_ISP_MAX_WIDTH 4032 -#define RKISP1_ISP_MAX_HEIGHT 3024 -#define RKISP1_ISP_MIN_WIDTH 32 -#define RKISP1_ISP_MIN_HEIGHT 32 +#define RKISP1_ISP_MAX_WIDTH 4032 +#define RKISP1_ISP_MAX_HEIGHT 3024 +#define RKISP1_ISP_MIN_WIDTH 32 +#define RKISP1_ISP_MIN_HEIGHT 32 #define RKISP1_RSZ_MP_SRC_MAX_WIDTH 4416 #define RKISP1_RSZ_MP_SRC_MAX_HEIGHT 3312 @@ -44,20 +46,20 @@ #define RKISP1_RSZ_SRC_MIN_HEIGHT 16 /* the default width and height of all the entities */ -#define RKISP1_DEFAULT_WIDTH 800 -#define RKISP1_DEFAULT_HEIGHT 600 +#define RKISP1_DEFAULT_WIDTH 800 +#define RKISP1_DEFAULT_HEIGHT 600 -#define RKISP1_DRIVER_NAME "rkisp1" -#define RKISP1_BUS_INFO "platform:" RKISP1_DRIVER_NAME +#define RKISP1_DRIVER_NAME "rkisp1" +#define RKISP1_BUS_INFO "platform:" RKISP1_DRIVER_NAME /* maximum number of clocks */ -#define RKISP1_MAX_BUS_CLK 8 +#define RKISP1_MAX_BUS_CLK 8 /* a bitmask of the ready stats */ -#define RKISP1_STATS_MEAS_MASK (RKISP1_CIF_ISP_AWB_DONE | \ - RKISP1_CIF_ISP_AFM_FIN | \ - RKISP1_CIF_ISP_EXP_END | \ - RKISP1_CIF_ISP_HIST_MEASURE_RDY) +#define RKISP1_STATS_MEAS_MASK (RKISP1_CIF_ISP_AWB_DONE | \ + RKISP1_CIF_ISP_AFM_FIN | \ + RKISP1_CIF_ISP_EXP_END | \ + RKISP1_CIF_ISP_HIST_MEASURE_RDY) /* enum for the resizer pads */ enum rkisp1_rsz_pad { @@ -66,6 +68,13 @@ enum rkisp1_rsz_pad { RKISP1_RSZ_PAD_MAX }; +/* enum for the csi receiver pads */ +enum rkisp1_csi_pad { + RKISP1_CSI_PAD_SINK, + RKISP1_CSI_PAD_SRC, + RKISP1_CSI_PAD_NUM +}; + /* enum for the capture id */ enum rkisp1_stream_id { RKISP1_MAINPATH, @@ -90,25 +99,89 @@ enum rkisp1_isp_pad { }; /* + * enum rkisp1_feature - ISP features + * + * @RKISP1_FEATURE_MIPI_CSI2: The ISP has an internal MIPI CSI-2 receiver + * + * The ISP features are stored in a bitmask in &rkisp1_info.features and allow + * the driver to implement support for features present in some ISP versions + * only. + */ +enum rkisp1_feature { + RKISP1_FEATURE_MIPI_CSI2 = BIT(0), +}; + +/* + * struct rkisp1_info - Model-specific ISP Information + * + * @clks: array of ISP clock names + * @clk_size: number of entries in the @clks array + * @isrs: array of ISP interrupt descriptors + * @isr_size: number of entries in the @isrs array + * @isp_ver: ISP version + * @features: bitmask of rkisp1_feature features implemented by the ISP + * + * This structure contains information about the ISP specific to a particular + * ISP model, version, or integration in a particular SoC. + */ +struct rkisp1_info { + const char * const *clks; + unsigned int clk_size; + const struct rkisp1_isr_data *isrs; + unsigned int isr_size; + enum rkisp1_cif_isp_version isp_ver; + unsigned int features; +}; + +/* * struct rkisp1_sensor_async - A container for the v4l2_async_subdev to add to the notifier * of the v4l2-async API * * @asd: async_subdev variable for the sensor + * @index: index of the sensor (counting sensor found in DT) + * @source_ep: fwnode for the sensor source endpoint * @lanes: number of lanes * @mbus_type: type of bus (currently only CSI2 is supported) * @mbus_flags: media bus (V4L2_MBUS_*) flags * @sd: a pointer to v4l2_subdev struct of the sensor * @pixel_rate_ctrl: pixel rate of the sensor, used to initialize the phy - * @dphy: a pointer to the phy + * @port: port number (0: MIPI, 1: Parallel) */ struct rkisp1_sensor_async { struct v4l2_async_subdev asd; + unsigned int index; + struct fwnode_handle *source_ep; unsigned int lanes; enum v4l2_mbus_type mbus_type; unsigned int mbus_flags; struct v4l2_subdev *sd; struct v4l2_ctrl *pixel_rate_ctrl; + unsigned int port; +}; + +/* + * struct rkisp1_csi - CSI receiver subdev + * + * @rkisp1: pointer to the rkisp1 device + * @dphy: a pointer to the phy + * @is_dphy_errctrl_disabled: if dphy errctrl is disabled (avoid endless interrupt) + * @sd: v4l2_subdev variable + * @pads: media pads + * @pad_cfg: configurations for the pads + * @sink_fmt: input format + * @lock: protects pad_cfg and sink_fmt + * @source: source in-use, set when starting streaming + */ +struct rkisp1_csi { + struct rkisp1_device *rkisp1; struct phy *dphy; + bool is_dphy_errctrl_disabled; + struct v4l2_subdev sd; + struct media_pad pads[RKISP1_CSI_PAD_NUM]; + struct v4l2_subdev_pad_config pad_cfg[RKISP1_CSI_PAD_NUM]; + const struct rkisp1_mbus_info *sink_fmt; + struct mutex lock; + struct v4l2_subdev *source; }; /* @@ -121,17 +194,16 @@ struct rkisp1_sensor_async { * @sink_fmt: input format * @src_fmt: output format * @ops_lock: ops serialization - * @is_dphy_errctrl_disabled: if dphy errctrl is disabled (avoid endless interrupt) * @frame_sequence: used to synchronize frame_id between video devices. */ struct rkisp1_isp { struct v4l2_subdev sd; + struct rkisp1_device *rkisp1; struct media_pad pads[RKISP1_ISP_PAD_MAX]; struct v4l2_subdev_pad_config pad_cfg[RKISP1_ISP_PAD_MAX]; - const struct rkisp1_isp_mbus_info *sink_fmt; - const struct rkisp1_isp_mbus_info *src_fmt; + const struct rkisp1_mbus_info *sink_fmt; + const struct rkisp1_mbus_info *src_fmt; struct mutex ops_lock; /* serialize the subdevice ops */ - bool is_dphy_errctrl_disabled; __u32 frame_sequence; }; @@ -313,6 +385,7 @@ struct rkisp1_params { * struct rkisp1_resizer - Resizer subdev * * @sd: v4l2_subdev variable + * @regs_base: base register address offset * @id: id of the resizer, one of RKISP1_SELFPATH, RKISP1_MAINPATH * @rkisp1: pointer to the rkisp1 device * @pads: media pads @@ -323,6 +396,7 @@ struct rkisp1_params { */ struct rkisp1_resizer { struct v4l2_subdev sd; + u32 regs_base; enum rkisp1_stream_id id; struct rkisp1_device *rkisp1; struct media_pad pads[RKISP1_RSZ_PAD_MAX]; @@ -373,7 +447,8 @@ struct rkisp1_debug { * @v4l2_dev: v4l2_device variable * @media_dev: media_device variable * @notifier: a notifier to register on the v4l2-async API to be notified on the sensor - * @active_sensor: sensor in-use, set when streaming on + * @source: source subdev in-use, set when starting streaming + * @csi: internal CSI-2 receiver * @isp: ISP sub-device * @resizer_devs: resizer sub-devices * @capture_devs: capture devices @@ -382,6 +457,7 @@ struct rkisp1_debug { * @pipe: media pipeline * @stream_lock: serializes {start/stop}_streaming callbacks between the capture devices. * @debug: debug params to be exposed on debugfs + * @info: version-specific ISP information */ struct rkisp1_device { void __iomem *base_addr; @@ -391,7 +467,8 @@ struct rkisp1_device { struct v4l2_device v4l2_dev; struct media_device media_dev; struct v4l2_async_notifier notifier; - struct rkisp1_sensor_async *active_sensor; + struct v4l2_subdev *source; + struct rkisp1_csi csi; struct rkisp1_isp isp; struct rkisp1_resizer resizer_devs[2]; struct rkisp1_capture capture_devs[2]; @@ -400,11 +477,12 @@ struct rkisp1_device { struct media_pipeline pipe; struct mutex stream_lock; /* serialize {start/stop}_streaming cb between capture devices */ struct rkisp1_debug debug; + const struct rkisp1_info *info; }; /* - * struct rkisp1_isp_mbus_info - ISP media bus info, Translates media bus code to hardware - * format values + * struct rkisp1_mbus_info - ISP media bus info, Translates media bus code to hardware + * format values * * @mbus_code: media bus code * @pixel_enc: pixel encoding @@ -414,7 +492,7 @@ struct rkisp1_device { * @bayer_pat: bayer pattern * @direction: a bitmask of the flags indicating on which pad the format is supported on */ -struct rkisp1_isp_mbus_info { +struct rkisp1_mbus_info { u32 mbus_code; enum v4l2_pixel_encoding pixel_enc; u32 mipi_dt; @@ -425,7 +503,7 @@ struct rkisp1_isp_mbus_info { }; static inline void -rkisp1_write(struct rkisp1_device *rkisp1, u32 val, unsigned int addr) +rkisp1_write(struct rkisp1_device *rkisp1, unsigned int addr, u32 val) { writel(val, rkisp1->base_addr + addr); } @@ -447,6 +525,13 @@ int rkisp1_cap_enum_mbus_codes(struct rkisp1_capture *cap, struct v4l2_subdev_mbus_code_enum *code); /* + * rkisp1_mbus_info_get_by_index - Retrieve the ith supported mbus info + * + * @index: index of the mbus info to fetch + */ +const struct rkisp1_mbus_info *rkisp1_mbus_info_get_by_index(unsigned int index); + +/* * rkisp1_sd_adjust_crop_rect - adjust a rectangle to fit into another rectangle. * * @crop: rectangle to adjust. @@ -465,11 +550,11 @@ void rkisp1_sd_adjust_crop(struct v4l2_rect *crop, const struct v4l2_mbus_framefmt *bounds); /* - * rkisp1_isp_mbus_info - get the isp info of the media bus code + * rkisp1_mbus_info_get_by_code - get the isp info of the media bus code * * @mbus_code: the media bus code */ -const struct rkisp1_isp_mbus_info *rkisp1_isp_mbus_info_get(u32 mbus_code); +const struct rkisp1_mbus_info *rkisp1_mbus_info_get_by_code(u32 mbus_code); /* rkisp1_params_configure - configure the params when stream starts. * This function is called by the isp entity upon stream starts. @@ -493,7 +578,7 @@ void rkisp1_params_disable(struct rkisp1_params *params); /* irq handlers */ irqreturn_t rkisp1_isp_isr(int irq, void *ctx); -irqreturn_t rkisp1_mipi_isr(int irq, void *ctx); +irqreturn_t rkisp1_csi_isr(int irq, void *ctx); irqreturn_t rkisp1_capture_isr(int irq, void *ctx); void rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris); void rkisp1_params_isr(struct rkisp1_device *rkisp1); @@ -514,4 +599,16 @@ void rkisp1_stats_unregister(struct rkisp1_device *rkisp1); int rkisp1_params_register(struct rkisp1_device *rkisp1); void rkisp1_params_unregister(struct rkisp1_device *rkisp1); +#if IS_ENABLED(CONFIG_DEBUG_FS) +void rkisp1_debug_init(struct rkisp1_device *rkisp1); +void rkisp1_debug_cleanup(struct rkisp1_device *rkisp1); +#else +static inline void rkisp1_debug_init(struct rkisp1_device *rkisp1) +{ +} +static inline void rkisp1_debug_cleanup(struct rkisp1_device *rkisp1) +{ +} +#endif + #endif /* _RKISP1_COMMON_H */ |