/*#define DEBUG*/
+#include <linux/platform_device.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <media/media-entity.h>
#include <media/videobuf2-core.h>
+#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-mem2mem.h>
#include <media/v4l2-mediabus.h>
/* Time to wait for next frame VSYNC interrupt while stopping operation. */
#define FIMC_SHUTDOWN_TIMEOUT ((100*HZ)/1000)
-#define MAX_FIMC_CLOCKS 3
-#define MODULE_NAME "s5p-fimc"
+#define MAX_FIMC_CLOCKS 2
+#define FIMC_MODULE_NAME "s5p-fimc"
#define FIMC_MAX_DEVS 4
#define FIMC_MAX_OUT_BUFS 4
#define SCALER_MAX_HRATIO 64
#define SCALER_MAX_VRATIO 64
#define DMA_MIN_SIZE 8
+#define FIMC_CAMIF_MAX_HEIGHT 0x2000
/* indices to the clocks array */
enum {
CLK_BUS,
CLK_GATE,
- CLK_CAM,
};
enum fimc_dev_flags {
ST_CAPT_PEND,
ST_CAPT_RUN,
ST_CAPT_STREAM,
+ ST_CAPT_ISP_STREAM,
+ ST_CAPT_SUSPENDED,
ST_CAPT_SHUT,
ST_CAPT_BUSY,
+ ST_CAPT_APPLY_CFG,
+ ST_CAPT_JPEG,
};
#define fimc_m2m_active(dev) test_bit(ST_M2M_RUN, &(dev)->state)
};
enum fimc_color_fmt {
- S5P_FIMC_RGB565 = 0x10,
+ S5P_FIMC_RGB444 = 0x10,
+ S5P_FIMC_RGB555,
+ S5P_FIMC_RGB565,
S5P_FIMC_RGB666,
S5P_FIMC_RGB888,
S5P_FIMC_RGB30_LOCAL,
S5P_FIMC_CBYCRY422,
S5P_FIMC_CRYCBY422,
S5P_FIMC_YCBCR444_LOCAL,
+ S5P_FIMC_JPEG = 0x40,
};
-#define fimc_fmt_is_rgb(x) ((x) & 0x10)
+#define fimc_fmt_is_rgb(x) (!!((x) & 0x10))
+#define fimc_fmt_is_jpeg(x) (!!((x) & 0x40))
+
+#define IS_M2M(__strt) ((__strt) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || \
+ __strt == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
/* Cb/Cr chrominance components order for 2 plane Y/CbCr 4:2:2 formats. */
#define S5P_FIMC_LSB_CRCB S5P_CIOCTRL_ORDER422_2P_LSB_CRCB
#define FIMC_DST_ADDR (1 << 2)
#define FIMC_SRC_FMT (1 << 3)
#define FIMC_DST_FMT (1 << 4)
-#define FIMC_CTX_M2M (1 << 5)
-#define FIMC_CTX_CAP (1 << 6)
-#define FIMC_CTX_SHUT (1 << 7)
+#define FIMC_DST_CROP (1 << 5)
+#define FIMC_CTX_M2M (1 << 16)
+#define FIMC_CTX_CAP (1 << 17)
+#define FIMC_CTX_SHUT (1 << 18)
/* Image conversion flags */
#define FIMC_IN_DMA_ACCESS_TILED (1 << 0)
/* Y (16 ~ 235), Cb/Cr (16 ~ 240) */
#define FIMC_COLOR_RANGE_NARROW (1 << 3)
-#define FLIP_NONE 0
-#define FLIP_X_AXIS 1
-#define FLIP_Y_AXIS 2
-#define FLIP_XY_AXIS (FLIP_X_AXIS | FLIP_Y_AXIS)
-
/**
* struct fimc_fmt - the driver's internal color format data
* @mbus_code: Media Bus pixel code, -1 if not applicable
u16 colplanes;
u8 depth[VIDEO_MAX_PLANES];
u16 flags;
-#define FMT_FLAGS_CAM (1 << 0)
-#define FMT_FLAGS_M2M (1 << 1)
+#define FMT_FLAGS_CAM (1 << 0)
+#define FMT_FLAGS_M2M_IN (1 << 1)
+#define FMT_FLAGS_M2M_OUT (1 << 2)
+#define FMT_FLAGS_M2M (1 << 1 | 1 << 2)
+#define FMT_HAS_ALPHA (1 << 3)
};
/**
struct fimc_addr paddr;
struct fimc_dma_offset dma_offset;
struct fimc_fmt *fmt;
+ u8 alpha;
};
/**
* struct fimc_m2m_device - v4l2 memory-to-memory device data
* @vfd: the video device node for v4l2 m2m mode
- * @v4l2_dev: v4l2 device for m2m mode
* @m2m_dev: v4l2 memory-to-memory device data
* @ctx: hardware context data
* @refcnt: the reference counter
*/
struct fimc_m2m_device {
struct video_device *vfd;
- struct v4l2_device v4l2_dev;
struct v4l2_m2m_dev *m2m_dev;
struct fimc_ctx *ctx;
int refcnt;
};
+#define FIMC_SD_PAD_SINK 0
+#define FIMC_SD_PAD_SOURCE 1
+#define FIMC_SD_PADS_NUM 2
+
/**
* struct fimc_vid_cap - camera capture device information
* @ctx: hardware context data
* @vfd: video device node for camera capture mode
- * @v4l2_dev: v4l2_device struct to manage subdevs
- * @sd: pointer to camera sensor subdevice currently in use
+ * @subdev: subdev exposing the FIMC processing block
* @vd_pad: fimc video capture node pad
- * @fmt: Media Bus format configured at selected image sensor
+ * @sd_pads: fimc video processing block pads
+ * @mf: media bus format at the FIMC camera input (and the scaler output) pad
* @pending_buf_q: the pending buffer queue head
* @active_buf_q: the queue head of buffers scheduled in hardware
* @vbq: the capture am video buffer queue
* @reqbufs_count: the number of buffers requested in REQBUFS ioctl
* @input_index: input (camera sensor) index
* @refcnt: driver's private reference counter
+ * @input: capture input type, grp_id of the attached subdev
+ * @user_subdev_api: true if subdevs are not configured by the host driver
*/
struct fimc_vid_cap {
struct fimc_ctx *ctx;
struct vb2_alloc_ctx *alloc_ctx;
struct video_device *vfd;
- struct v4l2_device v4l2_dev;
- struct v4l2_subdev *sd;;
+ struct v4l2_subdev *subdev;
struct media_pad vd_pad;
- struct v4l2_mbus_framefmt fmt;
+ struct v4l2_mbus_framefmt mf;
+ struct media_pad sd_pads[FIMC_SD_PADS_NUM];
struct list_head pending_buf_q;
struct list_head active_buf_q;
struct vb2_queue vbq;
unsigned int reqbufs_count;
int input_index;
int refcnt;
+ u32 input;
+ bool user_subdev_api;
};
/**
* @has_cistatus2: 1 if CISTATUS2 register is present in this IP revision
* @has_mainscaler_ext: 1 if extended mainscaler ratios in CIEXTEN register
* are present in this IP revision
+ * @has_cam_if: set if this instance has a camera input interface
* @pix_limit: pixel size constraints for the scaler
* @min_inp_pixsize: minimum input pixel size
* @min_out_pixsize: minimum output pixel size
* @hor_offs_align: horizontal pixel offset aligment
+ * @min_vsize_align: minimum vertical pixel size alignment
* @out_buf_count: the number of buffers in output DMA sequence
*/
struct samsung_fimc_variant {
unsigned int has_out_rot:1;
unsigned int has_cistatus2:1;
unsigned int has_mainscaler_ext:1;
+ unsigned int has_cam_if:1;
+ unsigned int has_alpha:1;
struct fimc_pix_limit *pix_limit;
u16 min_inp_pixsize;
u16 min_out_pixsize;
u16 hor_offs_align;
+ u16 min_vsize_align;
u16 out_buf_count;
};
int num_entities;
};
+struct fimc_pipeline {
+ struct media_pipeline *pipe;
+ struct v4l2_subdev *sensor;
+ struct v4l2_subdev *csis;
+};
+
struct fimc_ctx;
/**
* @num_clocks: the number of clocks managed by this device instance
* @clock: clocks required for FIMC operation
* @regs: the mapped hardware registers
- * @regs_res: the resource claimed for IO registers
* @irq: FIMC interrupt number
* @irq_queue: interrupt handler waitqueue
+ * @v4l2_dev: root v4l2_device
* @m2m: memory-to-memory V4L2 device information
* @vid_cap: camera capture device information
* @state: flags used to synchronize m2m and capture mode operation
* @alloc_ctx: videobuf2 memory allocator context
+ * @pipeline: fimc video capture pipeline data structure
*/
struct fimc_dev {
spinlock_t slock;
u16 num_clocks;
struct clk *clock[MAX_FIMC_CLOCKS];
void __iomem *regs;
- struct resource *regs_res;
int irq;
wait_queue_head_t irq_queue;
+ struct v4l2_device *v4l2_dev;
struct fimc_m2m_device m2m;
struct fimc_vid_cap vid_cap;
unsigned long state;
struct vb2_alloc_ctx *alloc_ctx;
+ struct fimc_pipeline pipeline;
};
/**
* @scaler: image scaler properties
* @effect: image effect
* @rotation: image clockwise rotation in degrees
- * @flip: image flip mode
+ * @hflip: indicates image horizontal flip if set
+ * @vflip: indicates image vertical flip if set
* @flags: additional flags for image conversion
* @state: flags to keep track of user configuration
* @fimc_dev: the FIMC device this context applies to
* @m2m_ctx: memory-to-memory device context
+ * @fh: v4l2 file handle
+ * @ctrl_handler: v4l2 controls handler
+ * @ctrl_rotate image rotation control
+ * @ctrl_hflip horizontal flip control
+ * @ctrl_vflip vertical flip control
+ * @ctrl_alpha RGB alpha control
+ * @ctrls_rdy: true if the control handler is initialized
*/
struct fimc_ctx {
spinlock_t slock;
struct fimc_scaler scaler;
struct fimc_effect effect;
int rotation;
- u32 flip;
+ unsigned int hflip:1;
+ unsigned int vflip:1;
u32 flags;
u32 state;
struct fimc_dev *fimc_dev;
struct v4l2_m2m_ctx *m2m_ctx;
+ struct v4l2_fh fh;
+ struct v4l2_ctrl_handler ctrl_handler;
+ struct v4l2_ctrl *ctrl_rotate;
+ struct v4l2_ctrl *ctrl_hflip;
+ struct v4l2_ctrl *ctrl_vflip;
+ struct v4l2_ctrl *ctrl_alpha;
+ bool ctrls_rdy;
};
+#define fh_to_ctx(__fh) container_of(__fh, struct fimc_ctx, fh)
+
+static inline void set_frame_bounds(struct fimc_frame *f, u32 width, u32 height)
+{
+ f->o_width = width;
+ f->o_height = height;
+ f->f_width = width;
+ f->f_height = height;
+}
+
+static inline void set_frame_crop(struct fimc_frame *f,
+ u32 left, u32 top, u32 width, u32 height)
+{
+ f->offs_h = left;
+ f->offs_v = top;
+ f->width = width;
+ f->height = height;
+}
+
+static inline u32 fimc_get_format_depth(struct fimc_fmt *ff)
+{
+ u32 i, depth = 0;
+
+ if (ff != NULL)
+ for (i = 0; i < ff->colplanes; i++)
+ depth += ff->depth[i];
+ return depth;
+}
+
static inline bool fimc_capture_active(struct fimc_dev *fimc)
{
unsigned long flags;
return fmt->fourcc == V4L2_PIX_FMT_NV12MT;
}
+/* Return the alpha component bit mask */
+static inline int fimc_get_alpha_mask(struct fimc_fmt *fmt)
+{
+ switch (fmt->color) {
+ case S5P_FIMC_RGB444: return 0x0f;
+ case S5P_FIMC_RGB555: return 0x01;
+ case S5P_FIMC_RGB888: return 0xff;
+ default: return 0;
+ };
+}
+
static inline void fimc_hw_clear_irq(struct fimc_dev *dev)
{
u32 cfg = readl(dev->regs + S5P_CIGCTRL);
} else if (V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE == type) {
frame = &ctx->d_frame;
} else {
- v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev,
+ v4l2_err(ctx->fimc_dev->v4l2_dev,
"Wrong buffer/video queue type (%d)\n", type);
return ERR_PTR(-EINVAL);
}
void fimc_hw_set_prescaler(struct fimc_ctx *ctx);
void fimc_hw_set_mainscaler(struct fimc_ctx *ctx);
void fimc_hw_en_capture(struct fimc_ctx *ctx);
-void fimc_hw_set_effect(struct fimc_ctx *ctx);
+void fimc_hw_set_effect(struct fimc_ctx *ctx, bool active);
+void fimc_hw_set_rgb_alpha(struct fimc_ctx *ctx);
void fimc_hw_set_in_dma(struct fimc_ctx *ctx);
void fimc_hw_set_input_path(struct fimc_ctx *ctx);
void fimc_hw_set_output_path(struct fimc_ctx *ctx);
/* fimc-core.c */
int fimc_vidioc_enum_fmt_mplane(struct file *file, void *priv,
struct v4l2_fmtdesc *f);
-int fimc_vidioc_g_fmt_mplane(struct file *file, void *priv,
- struct v4l2_format *f);
-int fimc_vidioc_try_fmt_mplane(struct file *file, void *priv,
- struct v4l2_format *f);
-int fimc_vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qc);
-int fimc_vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl);
-
-int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr);
-int check_ctrl_val(struct fimc_ctx *ctx, struct v4l2_control *ctrl);
-int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl);
-
-struct fimc_fmt *find_format(struct v4l2_format *f, unsigned int mask);
-struct fimc_fmt *find_mbus_format(struct v4l2_mbus_framefmt *f,
- unsigned int mask);
-
-int fimc_check_scaler_ratio(int sw, int sh, int dw, int dh, int rot);
+int fimc_ctrls_create(struct fimc_ctx *ctx);
+void fimc_ctrls_delete(struct fimc_ctx *ctx);
+void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active);
+void fimc_alpha_ctrl_update(struct fimc_ctx *ctx);
+int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f);
+void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height,
+ struct v4l2_pix_format_mplane *pix);
+struct fimc_fmt *fimc_find_format(const u32 *pixelformat, const u32 *mbus_code,
+ unsigned int mask, int index);
+
+int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh,
+ int dw, int dh, int rotation);
int fimc_set_scaler_info(struct fimc_ctx *ctx);
int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags);
int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
struct fimc_frame *frame, struct fimc_addr *paddr);
-int fimc_register_m2m_device(struct fimc_dev *fimc);
+void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f);
+void fimc_set_yuv_order(struct fimc_ctx *ctx);
+void fimc_fill_frame(struct fimc_frame *frame, struct v4l2_format *f);
+void fimc_capture_irq_handler(struct fimc_dev *fimc, bool done);
+
+int fimc_register_m2m_device(struct fimc_dev *fimc,
+ struct v4l2_device *v4l2_dev);
+void fimc_unregister_m2m_device(struct fimc_dev *fimc);
+int fimc_register_driver(void);
+void fimc_unregister_driver(void);
/* -----------------------------------------------------*/
/* fimc-capture.c */
-int fimc_register_capture_device(struct fimc_dev *fimc);
+int fimc_register_capture_device(struct fimc_dev *fimc,
+ struct v4l2_device *v4l2_dev);
void fimc_unregister_capture_device(struct fimc_dev *fimc);
-int fimc_sensor_sd_init(struct fimc_dev *fimc, int index);
+int fimc_capture_ctrls_create(struct fimc_dev *fimc);
int fimc_vid_cap_buf_queue(struct fimc_dev *fimc,
struct fimc_vid_buffer *fimc_vb);
+void fimc_sensor_notify(struct v4l2_subdev *sd, unsigned int notification,
+ void *arg);
int fimc_capture_suspend(struct fimc_dev *fimc);
int fimc_capture_resume(struct fimc_dev *fimc);
+int fimc_capture_config_update(struct fimc_ctx *ctx);
/* Locking: the caller holds fimc->slock */
static inline void fimc_activate_capture(struct fimc_ctx *ctx)
}
/*
- * Add buf to the capture active buffers queue.
- * Locking: Need to be called with fimc_dev::slock held.
+ * Buffer list manipulation functions. Must be called with fimc.slock held.
*/
-static inline void active_queue_add(struct fimc_vid_cap *vid_cap,
- struct fimc_vid_buffer *buf)
+
+/**
+ * fimc_active_queue_add - add buffer to the capture active buffers queue
+ * @buf: buffer to add to the active buffers list
+ */
+static inline void fimc_active_queue_add(struct fimc_vid_cap *vid_cap,
+ struct fimc_vid_buffer *buf)
{
list_add_tail(&buf->list, &vid_cap->active_buf_q);
vid_cap->active_buf_cnt++;
}
-/*
- * Pop a video buffer from the capture active buffers queue
- * Locking: Need to be called with fimc_dev::slock held.
+/**
+ * fimc_active_queue_pop - pop buffer from the capture active buffers queue
+ *
+ * The caller must assure the active_buf_q list is not empty.
*/
-static inline struct fimc_vid_buffer *
-active_queue_pop(struct fimc_vid_cap *vid_cap)
+static inline struct fimc_vid_buffer *fimc_active_queue_pop(
+ struct fimc_vid_cap *vid_cap)
{
struct fimc_vid_buffer *buf;
buf = list_entry(vid_cap->active_buf_q.next,
return buf;
}
-/* Add video buffer to the capture pending buffers queue */
+/**
+ * fimc_pending_queue_add - add buffer to the capture pending buffers queue
+ * @buf: buffer to add to the pending buffers list
+ */
static inline void fimc_pending_queue_add(struct fimc_vid_cap *vid_cap,
struct fimc_vid_buffer *buf)
{
list_add_tail(&buf->list, &vid_cap->pending_buf_q);
}
-/* Add video buffer to the capture pending buffers queue */
-static inline struct fimc_vid_buffer *
-pending_queue_pop(struct fimc_vid_cap *vid_cap)
+/**
+ * fimc_pending_queue_pop - pop buffer from the capture pending buffers queue
+ *
+ * The caller must assure the pending_buf_q list is not empty.
+ */
+static inline struct fimc_vid_buffer *fimc_pending_queue_pop(
+ struct fimc_vid_cap *vid_cap)
{
struct fimc_vid_buffer *buf;
buf = list_entry(vid_cap->pending_buf_q.next,
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