Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Vaibhav Hiremath | 382 | 64.31% | 1 | 10.00% |
Archit Taneja | 190 | 31.99% | 4 | 40.00% |
Peter Ujfalusi | 12 | 2.02% | 2 | 20.00% |
Hans Verkuil | 7 | 1.18% | 1 | 10.00% |
Mauro Carvalho Chehab | 2 | 0.34% | 1 | 10.00% |
Tomi Valkeinen | 1 | 0.17% | 1 | 10.00% |
Total | 594 | 10 |
/* * omap_voutdef.h * * Copyright (C) 2010 Texas Instruments. * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. */ #ifndef OMAP_VOUTDEF_H #define OMAP_VOUTDEF_H #include <media/v4l2-ctrls.h> #include <video/omapfb_dss.h> #include <video/omapvrfb.h> #include <linux/dmaengine.h> #define YUYV_BPP 2 #define RGB565_BPP 2 #define RGB24_BPP 3 #define RGB32_BPP 4 #define TILE_SIZE 32 #define YUYV_VRFB_BPP 2 #define RGB_VRFB_BPP 1 #define MAX_CID 3 #define MAC_VRFB_CTXS 4 #define MAX_VOUT_DEV 2 #define MAX_OVLS 3 #define MAX_DISPLAYS 10 #define MAX_MANAGERS 3 #define QQVGA_WIDTH 160 #define QQVGA_HEIGHT 120 /* Max Resolution supported by the driver */ #define VID_MAX_WIDTH 1280 /* Largest width */ #define VID_MAX_HEIGHT 720 /* Largest height */ /* Minimum requirement is 2x2 for DSS */ #define VID_MIN_WIDTH 2 #define VID_MIN_HEIGHT 2 /* 2048 x 2048 is max res supported by OMAP display controller */ #define MAX_PIXELS_PER_LINE 2048 #define VRFB_TX_TIMEOUT 1000 #define VRFB_NUM_BUFS 4 /* Max buffer size tobe allocated during init */ #define OMAP_VOUT_MAX_BUF_SIZE (VID_MAX_WIDTH*VID_MAX_HEIGHT*4) enum dma_channel_state { DMA_CHAN_NOT_ALLOTED, DMA_CHAN_ALLOTED, }; /* Enum for Rotation * DSS understands rotation in 0, 1, 2, 3 context * while V4L2 driver understands it as 0, 90, 180, 270 */ enum dss_rotation { dss_rotation_0_degree = 0, dss_rotation_90_degree = 1, dss_rotation_180_degree = 2, dss_rotation_270_degree = 3, }; /* Enum for choosing rotation type for vout * DSS2 doesn't understand no rotation as an * option while V4L2 driver doesn't support * rotation in the case where VRFB is not built in * the kernel */ enum vout_rotaion_type { VOUT_ROT_NONE = 0, VOUT_ROT_VRFB = 1, }; /* * This structure is used to store the DMA transfer parameters * for VRFB hidden buffer */ struct vid_vrfb_dma { struct dma_chan *chan; struct dma_interleaved_template *xt; int req_status; int tx_status; wait_queue_head_t wait; }; struct omapvideo_info { int id; int num_overlays; struct omap_overlay *overlays[MAX_OVLS]; enum vout_rotaion_type rotation_type; }; struct omap2video_device { struct mutex mtx; int state; struct v4l2_device v4l2_dev; struct omap_vout_device *vouts[MAX_VOUT_DEV]; int num_displays; struct omap_dss_device *displays[MAX_DISPLAYS]; int num_overlays; struct omap_overlay *overlays[MAX_OVLS]; int num_managers; struct omap_overlay_manager *managers[MAX_MANAGERS]; }; /* per-device data structure */ struct omap_vout_device { struct omapvideo_info vid_info; struct video_device *vfd; struct omap2video_device *vid_dev; struct v4l2_ctrl_handler ctrl_handler; int vid; int opened; /* we don't allow to change image fmt/size once buffer has * been allocated */ int buffer_allocated; /* allow to reuse previously allocated buffer which is big enough */ int buffer_size; /* keep buffer info across opens */ unsigned long buf_virt_addr[VIDEO_MAX_FRAME]; unsigned long buf_phy_addr[VIDEO_MAX_FRAME]; enum omap_color_mode dss_mode; /* we don't allow to request new buffer when old buffers are * still mmapped */ int mmap_count; spinlock_t vbq_lock; /* spinlock for videobuf queues */ unsigned long field_count; /* field counter for videobuf_buffer */ /* non-NULL means streaming is in progress. */ bool streaming; struct v4l2_pix_format pix; struct v4l2_rect crop; struct v4l2_window win; struct v4l2_framebuffer fbuf; /* Lock to protect the shared data structures in ioctl */ struct mutex lock; enum dss_rotation rotation; bool mirror; int flicker_filter; int bpp; /* bytes per pixel */ int vrfb_bpp; /* bytes per pixel with respect to VRFB */ struct vid_vrfb_dma vrfb_dma_tx; unsigned int smsshado_phy_addr[MAC_VRFB_CTXS]; unsigned int smsshado_virt_addr[MAC_VRFB_CTXS]; struct vrfb vrfb_context[MAC_VRFB_CTXS]; bool vrfb_static_allocation; unsigned int smsshado_size; unsigned char pos; int ps, vr_ps, line_length, first_int, field_id; enum v4l2_memory memory; struct videobuf_buffer *cur_frm, *next_frm; struct list_head dma_queue; u8 *queued_buf_addr[VIDEO_MAX_FRAME]; u32 cropped_offset; s32 tv_field1_offset; void *isr_handle; /* Buffer queue variables */ struct omap_vout_device *vout; enum v4l2_buf_type type; struct videobuf_queue vbq; int io_allowed; }; /* * Return true if rotation is 90 or 270 */ static inline int is_rotation_90_or_270(const struct omap_vout_device *vout) { return (vout->rotation == dss_rotation_90_degree || vout->rotation == dss_rotation_270_degree); } /* * Return true if rotation is enabled */ static inline int is_rotation_enabled(const struct omap_vout_device *vout) { return vout->rotation || vout->mirror; } /* * Reverse the rotation degree if mirroring is enabled */ static inline int calc_rotation(const struct omap_vout_device *vout) { if (!vout->mirror) return vout->rotation; switch (vout->rotation) { case dss_rotation_90_degree: return dss_rotation_270_degree; case dss_rotation_270_degree: return dss_rotation_90_degree; case dss_rotation_180_degree: return dss_rotation_0_degree; default: return dss_rotation_180_degree; } } void omap_vout_free_buffers(struct omap_vout_device *vout); #endif /* ifndef OMAP_VOUTDEF_H */
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