diff options
Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-core.h')
| -rw-r--r-- | drivers/media/video/s5p-fimc/fimc-core.h | 272 |
1 files changed, 81 insertions, 191 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h index 84fd83550bd7..95b27ae5cf27 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.h +++ b/drivers/media/video/s5p-fimc/fimc-core.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 - 2011 Samsung Electronics Co., Ltd. + * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -17,6 +17,7 @@ #include <linux/types.h> #include <linux/videodev2.h> #include <linux/io.h> +#include <asm/sizes.h> #include <media/media-entity.h> #include <media/videobuf2-core.h> @@ -26,8 +27,6 @@ #include <media/v4l2-mediabus.h> #include <media/s5p_fimc.h> -#include "regs-fimc.h" - #define err(fmt, args...) \ printk(KERN_ERR "%s:%d: " fmt "\n", __func__, __LINE__, ##args) @@ -78,26 +77,31 @@ enum fimc_dev_flags { #define fimc_capture_busy(dev) test_bit(ST_CAPT_BUSY, &(dev)->state) enum fimc_datapath { - FIMC_CAMERA, - FIMC_DMA, - FIMC_LCDFIFO, - FIMC_WRITEBACK + FIMC_IO_NONE, + FIMC_IO_CAMERA, + FIMC_IO_DMA, + FIMC_IO_LCDFIFO, + FIMC_IO_WRITEBACK, + FIMC_IO_ISP, }; enum fimc_color_fmt { - S5P_FIMC_RGB444 = 0x10, - S5P_FIMC_RGB555, - S5P_FIMC_RGB565, - S5P_FIMC_RGB666, - S5P_FIMC_RGB888, - S5P_FIMC_RGB30_LOCAL, - S5P_FIMC_YCBCR420 = 0x20, - S5P_FIMC_YCBYCR422, - S5P_FIMC_YCRYCB422, - S5P_FIMC_CBYCRY422, - S5P_FIMC_CRYCBY422, - S5P_FIMC_YCBCR444_LOCAL, - S5P_FIMC_JPEG = 0x40, + FIMC_FMT_RGB444 = 0x10, + FIMC_FMT_RGB555, + FIMC_FMT_RGB565, + FIMC_FMT_RGB666, + FIMC_FMT_RGB888, + FIMC_FMT_RGB30_LOCAL, + FIMC_FMT_YCBCR420 = 0x20, + FIMC_FMT_YCBYCR422, + FIMC_FMT_YCRYCB422, + FIMC_FMT_CBYCRY422, + FIMC_FMT_CRYCBY422, + FIMC_FMT_YCBCR444_LOCAL, + FIMC_FMT_JPEG = 0x40, + FIMC_FMT_RAW8 = 0x80, + FIMC_FMT_RAW10, + FIMC_FMT_RAW12, }; #define fimc_fmt_is_rgb(x) (!!((x) & 0x10)) @@ -106,24 +110,11 @@ enum fimc_color_fmt { #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 - -/* The embedded image effect selection */ -#define S5P_FIMC_EFFECT_ORIGINAL S5P_CIIMGEFF_FIN_BYPASS -#define S5P_FIMC_EFFECT_ARBITRARY S5P_CIIMGEFF_FIN_ARBITRARY -#define S5P_FIMC_EFFECT_NEGATIVE S5P_CIIMGEFF_FIN_NEGATIVE -#define S5P_FIMC_EFFECT_ARTFREEZE S5P_CIIMGEFF_FIN_ARTFREEZE -#define S5P_FIMC_EFFECT_EMBOSSING S5P_CIIMGEFF_FIN_EMBOSSING -#define S5P_FIMC_EFFECT_SIKHOUETTE S5P_CIIMGEFF_FIN_SILHOUETTE - /* The hardware context state. */ #define FIMC_PARAMS (1 << 0) -#define FIMC_SRC_ADDR (1 << 1) -#define FIMC_DST_ADDR (1 << 2) #define FIMC_SRC_FMT (1 << 3) #define FIMC_DST_FMT (1 << 4) -#define FIMC_DST_CROP (1 << 5) +#define FIMC_COMPOSE (1 << 5) #define FIMC_CTX_M2M (1 << 16) #define FIMC_CTX_CAP (1 << 17) #define FIMC_CTX_SHUT (1 << 18) @@ -333,7 +324,7 @@ struct fimc_vid_cap { struct fimc_ctx *ctx; struct vb2_alloc_ctx *alloc_ctx; struct video_device *vfd; - struct v4l2_subdev *subdev; + struct v4l2_subdev subdev; struct media_pad vd_pad; struct v4l2_mbus_framefmt mf; struct media_pad sd_pads[FIMC_SD_PADS_NUM]; @@ -370,8 +361,7 @@ struct fimc_pix_limit { }; /** - * struct samsung_fimc_variant - camera interface variant information - * + * struct fimc_variant - FIMC device variant information * @pix_hoff: indicate whether horizontal offset is in pixels or in bytes * @has_inp_rot: set if has input rotator * @has_out_rot: set if has output rotator @@ -386,7 +376,7 @@ struct fimc_pix_limit { * @min_vsize_align: minimum vertical pixel size alignment * @out_buf_count: the number of buffers in output DMA sequence */ -struct samsung_fimc_variant { +struct fimc_variant { unsigned int pix_hoff:1; unsigned int has_inp_rot:1; unsigned int has_out_rot:1; @@ -403,23 +393,19 @@ struct samsung_fimc_variant { }; /** - * struct samsung_fimc_driverdata - per device type driver data for init time. - * - * @variant: the variant information for this driver. - * @dev_cnt: number of fimc sub-devices available in SoC - * @lclk_frequency: fimc bus clock frequency + * struct fimc_drvdata - per device type driver data + * @variant: variant information for this device + * @num_entities: number of fimc instances available in a SoC + * @lclk_frequency: local bus clock frequency */ -struct samsung_fimc_driverdata { - struct samsung_fimc_variant *variant[FIMC_MAX_DEVS]; - unsigned long lclk_frequency; - int num_entities; +struct fimc_drvdata { + struct fimc_variant *variant[FIMC_MAX_DEVS]; + int num_entities; + unsigned long lclk_frequency; }; -struct fimc_pipeline { - struct media_pipeline *pipe; - struct v4l2_subdev *sensor; - struct v4l2_subdev *csis; -}; +#define fimc_get_drvdata(_pdev) \ + ((struct fimc_drvdata *) platform_get_device_id(_pdev)->driver_data) struct fimc_ctx; @@ -431,10 +417,8 @@ struct fimc_ctx; * @pdata: pointer to the device platform data * @variant: the IP variant information * @id: FIMC device index (0..FIMC_MAX_DEVS) - * @num_clocks: the number of clocks managed by this device instance * @clock: clocks required for FIMC operation * @regs: the mapped hardware registers - * @irq: FIMC interrupt number * @irq_queue: interrupt handler waitqueue * @v4l2_dev: root v4l2_device * @m2m: memory-to-memory V4L2 device information @@ -448,12 +432,10 @@ struct fimc_dev { struct mutex lock; struct platform_device *pdev; struct s5p_platform_fimc *pdata; - struct samsung_fimc_variant *variant; + struct fimc_variant *variant; u16 id; - u16 num_clocks; struct clk *clock[MAX_FIMC_CLOCKS]; void __iomem *regs; - int irq; wait_queue_head_t irq_queue; struct v4l2_device *v4l2_dev; struct fimc_m2m_device m2m; @@ -464,8 +446,31 @@ struct fimc_dev { }; /** + * struct fimc_ctrls - v4l2 controls structure + * @handler: the control handler + * @colorfx: image effect control + * @colorfx_cbcr: Cb/Cr coefficients control + * @rotate: image rotation control + * @hflip: horizontal flip control + * @vflip: vertical flip control + * @alpha: RGB alpha control + * @ready: true if @handler is initialized + */ +struct fimc_ctrls { + struct v4l2_ctrl_handler handler; + struct { + struct v4l2_ctrl *colorfx; + struct v4l2_ctrl *colorfx_cbcr; + }; + struct v4l2_ctrl *rotate; + struct v4l2_ctrl *hflip; + struct v4l2_ctrl *vflip; + struct v4l2_ctrl *alpha; + bool ready; +}; + +/** * fimc_ctx - the device context data - * @slock: spinlock protecting this data structure * @s_frame: source frame properties * @d_frame: destination frame properties * @out_order_1p: output 1-plane YCBCR order @@ -484,15 +489,9 @@ struct fimc_dev { * @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 + * @ctrls: v4l2 controls structure */ struct fimc_ctx { - spinlock_t slock; struct fimc_frame s_frame; struct fimc_frame d_frame; u32 out_order_1p; @@ -511,12 +510,7 @@ struct fimc_ctx { 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; + struct fimc_ctrls ctrls; }; #define fh_to_ctx(__fh) container_of(__fh, struct fimc_ctx, fh) @@ -560,13 +554,13 @@ static inline bool fimc_capture_active(struct fimc_dev *fimc) return ret; } -static inline void fimc_ctx_state_lock_set(u32 state, struct fimc_ctx *ctx) +static inline void fimc_ctx_state_set(u32 state, struct fimc_ctx *ctx) { unsigned long flags; - spin_lock_irqsave(&ctx->slock, flags); + spin_lock_irqsave(&ctx->fimc_dev->slock, flags); ctx->state |= state; - spin_unlock_irqrestore(&ctx->slock, flags); + spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags); } static inline bool fimc_ctx_state_is_set(u32 mask, struct fimc_ctx *ctx) @@ -574,9 +568,9 @@ static inline bool fimc_ctx_state_is_set(u32 mask, struct fimc_ctx *ctx) unsigned long flags; bool ret; - spin_lock_irqsave(&ctx->slock, flags); + spin_lock_irqsave(&ctx->fimc_dev->slock, flags); ret = (ctx->state & mask) == mask; - spin_unlock_irqrestore(&ctx->slock, flags); + spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags); return ret; } @@ -589,61 +583,13 @@ static inline int tiled_fmt(struct fimc_fmt *fmt) 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; + case FIMC_FMT_RGB444: return 0x0f; + case FIMC_FMT_RGB555: return 0x01; + case FIMC_FMT_RGB888: return 0xff; default: return 0; }; } -static inline void fimc_hw_clear_irq(struct fimc_dev *dev) -{ - u32 cfg = readl(dev->regs + S5P_CIGCTRL); - cfg |= S5P_CIGCTRL_IRQ_CLR; - writel(cfg, dev->regs + S5P_CIGCTRL); -} - -static inline void fimc_hw_enable_scaler(struct fimc_dev *dev, bool on) -{ - u32 cfg = readl(dev->regs + S5P_CISCCTRL); - if (on) - cfg |= S5P_CISCCTRL_SCALERSTART; - else - cfg &= ~S5P_CISCCTRL_SCALERSTART; - writel(cfg, dev->regs + S5P_CISCCTRL); -} - -static inline void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on) -{ - u32 cfg = readl(dev->regs + S5P_MSCTRL); - if (on) - cfg |= S5P_MSCTRL_ENVID; - else - cfg &= ~S5P_MSCTRL_ENVID; - writel(cfg, dev->regs + S5P_MSCTRL); -} - -static inline void fimc_hw_dis_capture(struct fimc_dev *dev) -{ - u32 cfg = readl(dev->regs + S5P_CIIMGCPT); - cfg &= ~(S5P_CIIMGCPT_IMGCPTEN | S5P_CIIMGCPT_IMGCPTEN_SC); - writel(cfg, dev->regs + S5P_CIIMGCPT); -} - -/** - * fimc_hw_set_dma_seq - configure output DMA buffer sequence - * @mask: each bit corresponds to one of 32 output buffer registers set - * 1 to include buffer in the sequence, 0 to disable - * - * This function mask output DMA ring buffers, i.e. it allows to configure - * which of the output buffer address registers will be used by the DMA - * engine. - */ -static inline void fimc_hw_set_dma_seq(struct fimc_dev *dev, u32 mask) -{ - writel(mask, dev->regs + S5P_CIFCNTSEQ); -} - static inline struct fimc_frame *ctx_get_frame(struct fimc_ctx *ctx, enum v4l2_buf_type type) { @@ -665,48 +611,6 @@ static inline struct fimc_frame *ctx_get_frame(struct fimc_ctx *ctx, return frame; } -/* Return an index to the buffer actually being written. */ -static inline u32 fimc_hw_get_frame_index(struct fimc_dev *dev) -{ - u32 reg; - - if (dev->variant->has_cistatus2) { - reg = readl(dev->regs + S5P_CISTATUS2) & 0x3F; - return reg > 0 ? --reg : reg; - } else { - reg = readl(dev->regs + S5P_CISTATUS); - return (reg & S5P_CISTATUS_FRAMECNT_MASK) >> - S5P_CISTATUS_FRAMECNT_SHIFT; - } -} - -/* -----------------------------------------------------*/ -/* fimc-reg.c */ -void fimc_hw_reset(struct fimc_dev *fimc); -void fimc_hw_set_rotation(struct fimc_ctx *ctx); -void fimc_hw_set_target_format(struct fimc_ctx *ctx); -void fimc_hw_set_out_dma(struct fimc_ctx *ctx); -void fimc_hw_en_lastirq(struct fimc_dev *fimc, int enable); -void fimc_hw_en_irq(struct fimc_dev *fimc, int enable); -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, 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); -void fimc_hw_set_input_addr(struct fimc_dev *fimc, struct fimc_addr *paddr); -void fimc_hw_set_output_addr(struct fimc_dev *fimc, struct fimc_addr *paddr, - int index); -int fimc_hw_set_camera_source(struct fimc_dev *fimc, - struct s5p_fimc_isp_info *cam); -int fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f); -int fimc_hw_set_camera_polarity(struct fimc_dev *fimc, - struct s5p_fimc_isp_info *cam); -int fimc_hw_set_camera_type(struct fimc_dev *fimc, - struct s5p_fimc_isp_info *cam); - /* -----------------------------------------------------*/ /* fimc-core.c */ int fimc_vidioc_enum_fmt_mplane(struct file *file, void *priv, @@ -720,6 +624,7 @@ 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); +struct fimc_fmt *fimc_get_format(unsigned int index); int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh, int dw, int dh, int rotation); @@ -730,7 +635,7 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, 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); +void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf); int fimc_register_m2m_device(struct fimc_dev *fimc, struct v4l2_device *v4l2_dev); @@ -739,33 +644,18 @@ int fimc_register_driver(void); void fimc_unregister_driver(void); /* -----------------------------------------------------*/ +/* fimc-m2m.c */ +void fimc_m2m_job_finish(struct fimc_ctx *ctx, int vb_state); + +/* -----------------------------------------------------*/ /* fimc-capture.c */ -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_initialize_capture_subdev(struct fimc_dev *fimc); +void fimc_unregister_capture_subdev(struct fimc_dev *fimc); 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) -{ - fimc_hw_enable_scaler(ctx->fimc_dev, ctx->scaler.enabled); - fimc_hw_en_capture(ctx); -} - -static inline void fimc_deactivate_capture(struct fimc_dev *fimc) -{ - fimc_hw_en_lastirq(fimc, true); - fimc_hw_dis_capture(fimc); - fimc_hw_enable_scaler(fimc, false); - fimc_hw_en_lastirq(fimc, false); -} /* * Buffer list manipulation functions. Must be called with fimc.slock held. |