diff options
Diffstat (limited to 'drivers/staging/media/tegra-video/vi.h')
| -rw-r--r-- | drivers/staging/media/tegra-video/vi.h | 71 |
1 files changed, 47 insertions, 24 deletions
diff --git a/drivers/staging/media/tegra-video/vi.h b/drivers/staging/media/tegra-video/vi.h index a68e2c02c7b0..1e6a5caa7082 100644 --- a/drivers/staging/media/tegra-video/vi.h +++ b/drivers/staging/media/tegra-video/vi.h @@ -25,17 +25,11 @@ #define V4L2_CID_TEGRA_SYNCPT_TIMEOUT_RETRY (V4L2_CTRL_CLASS_CAMERA | 0x1001) -#define TEGRA_MIN_WIDTH 32U -#define TEGRA_MAX_WIDTH 32768U -#define TEGRA_MIN_HEIGHT 32U -#define TEGRA_MAX_HEIGHT 32768U - #define TEGRA_DEF_WIDTH 1920 #define TEGRA_DEF_HEIGHT 1080 #define TEGRA_IMAGE_FORMAT_DEF 32 #define MAX_FORMAT_NUM 64 -#define SURFACE_ALIGN_BYTES 64 enum tegra_vi_pg_mode { TEGRA_VI_PG_DISABLED = 0, @@ -43,8 +37,17 @@ enum tegra_vi_pg_mode { TEGRA_VI_PG_PATCH, }; +struct tegra_vi; +struct tegra_vi_channel; + /** * struct tegra_vi_ops - Tegra VI operations + * @vi_enable: soc-specific operations needed to enable/disable the VI peripheral + * @channel_host1x_syncpt_init: initialize synchronization points + * @channel_host1x_syncpt_free: free all synchronization points + * @vi_fmt_align: modify `pix` to fit the hardware alignment + * requirements and fill image geometry + * @channel_queue_setup: additional operations at the end of vb2_ops::queue_setup * @vi_start_streaming: starts media pipeline, subdevice streaming, sets up * VI for capture and runs capture start and capture finish * kthreads for capturing frames to buffer and returns them back. @@ -52,6 +55,11 @@ enum tegra_vi_pg_mode { * back any queued buffers. */ struct tegra_vi_ops { + int (*vi_enable)(struct tegra_vi *vi, bool on); + int (*channel_host1x_syncpt_init)(struct tegra_vi_channel *chan); + void (*channel_host1x_syncpt_free)(struct tegra_vi_channel *chan); + void (*vi_fmt_align)(struct v4l2_pix_format *pix, unsigned int bpp); + void (*channel_queue_setup)(struct tegra_vi_channel *chan); int (*vi_start_streaming)(struct vb2_queue *vq, u32 count); void (*vi_stop_streaming)(struct vb2_queue *vq); }; @@ -61,18 +69,22 @@ struct tegra_vi_ops { * * @video_formats: supported video formats * @nformats: total video formats + * @default_video_format: default video format (pointer to a @video_formats item) * @ops: vi operations * @hw_revision: VI hw_revision * @vi_max_channels: supported max streaming channels * @vi_max_clk_hz: VI clock max frequency + * @has_h_v_flip: the chip can do H and V flip, and the driver implements it */ struct tegra_vi_soc { const struct tegra_video_format *video_formats; const unsigned int nformats; + const struct tegra_video_format *default_video_format; const struct tegra_vi_ops *ops; u32 hw_revision; unsigned int vi_max_channels; unsigned int vi_max_clk_hz; + bool has_h_v_flip:1; }; /** @@ -99,19 +111,6 @@ struct tegra_vi { }; /** - * struct tegra_vi_graph_entity - Entity in the video graph - * - * @asd: subdev asynchronous registration information - * @entity: media entity from the corresponding V4L2 subdev - * @subdev: V4L2 subdev - */ -struct tegra_vi_graph_entity { - struct v4l2_async_subdev asd; - struct media_entity *entity; - struct v4l2_subdev *subdev; -}; - -/** * struct tegra_vi_channel - Tegra video channel * * @list: list head for this entry @@ -122,11 +121,13 @@ struct tegra_vi_graph_entity { * @vi: Tegra video input device structure * @frame_start_sp: host1x syncpoint pointer to synchronize programmed capture * start condition with hardware frame start events through host1x - * syncpoint counters. + * syncpoint counters. (Tegra210) * @mw_ack_sp: host1x syncpoint pointer to synchronize programmed memory write * ack trigger condition with hardware memory write done at end of - * frame through host1x syncpoint counters. + * frame through host1x syncpoint counters (On Tegra20 used for the + * OUT_1 syncpt) * @sp_incr_lock: protects cpu syncpoint increment. + * @next_out_sp_idx: next expected value for mw_ack_sp[0], i.e. OUT_1 (Tegra20) * * @kthread_start_capture: kthread to start capture of single frame when * vb buffer is available. This thread programs VI CSI hardware @@ -151,6 +152,12 @@ struct tegra_vi_graph_entity { * @queue: vb2 buffers queue * @sequence: V4L2 buffers sequence number * + * @addr_offset_u: U plane base address, relative to buffer base address (only for planar) + * @addr_offset_v: V plane base address, relative to buffer base address (only for planar) + * @start_offset: 1st Y byte to write, relative to buffer base address (for H/V flip) + * @start_offset_u: 1st U byte to write, relative to buffer base address (for H/V flip) + * @start_offset_v: 1st V byte to write, relative to buffer base address (for H/V flip) + * * @capture: list of queued buffers for capture * @start_lock: protects the capture queued list * @done: list of capture done queued buffers @@ -167,6 +174,9 @@ struct tegra_vi_graph_entity { * @tpg_fmts_bitmap: a bitmap for supported TPG formats * @pg_mode: test pattern generator mode (disabled/direct/patch) * @notifier: V4L2 asynchronous subdevs notifier + * + * @hflip: Horizontal flip is enabled + * @vflip: Vertical flip is enabled */ struct tegra_vi_channel { struct list_head list; @@ -180,6 +190,7 @@ struct tegra_vi_channel { struct host1x_syncpt *mw_ack_sp[GANG_PORTS_MAX]; /* protects the cpu syncpoint increment */ spinlock_t sp_incr_lock[GANG_PORTS_MAX]; + u32 next_out_sp_idx; struct task_struct *kthread_start_capture; wait_queue_head_t start_wait; @@ -191,6 +202,12 @@ struct tegra_vi_channel { struct vb2_queue queue; u32 sequence; + unsigned int addr_offset_u; + unsigned int addr_offset_v; + unsigned int start_offset; + unsigned int start_offset_u; + unsigned int start_offset_v; + struct list_head capture; /* protects the capture queued list */ spinlock_t start_lock; @@ -210,6 +227,9 @@ struct tegra_vi_channel { enum tegra_vi_pg_mode pg_mode; struct v4l2_async_notifier notifier; + + bool hflip:1; + bool vflip:1; }; /** @@ -260,11 +280,11 @@ enum tegra_image_dt { /** * struct tegra_video_format - Tegra video format description * - * @img_dt: image data type - * @bit_width: format width in bits per component + * @img_dt: MIPI CSI-2 data type (for CSI-2 only) + * @bit_width: format width in bits per component (for CSI/Tegra210 only) * @code: media bus format code * @bpp: bytes per pixel (when stored in memory) - * @img_fmt: image format + * @img_fmt: image format (for CSI/Tegra210 only) * @fourcc: V4L2 pixel format FCC identifier */ struct tegra_video_format { @@ -276,6 +296,9 @@ struct tegra_video_format { u32 fourcc; }; +#if defined(CONFIG_ARCH_TEGRA_2x_SOC) +extern const struct tegra_vi_soc tegra20_vi_soc; +#endif #if defined(CONFIG_ARCH_TEGRA_210_SOC) extern const struct tegra_vi_soc tegra210_vi_soc; #endif |