2 * Coda multi-standard codec IP
4 * Copyright (C) 2012 Vista Silicon S.L.
5 * Javier Martin, <javier.martin@vista-silicon.com>
7 * Copyright (C) 2012-2014 Philipp Zabel, Pengutronix
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
15 #include <linux/debugfs.h>
16 #include <linux/irqreturn.h>
17 #include <linux/mutex.h>
18 #include <linux/kfifo.h>
19 #include <linux/videodev2.h>
21 #include <media/v4l2-ctrls.h>
22 #include <media/v4l2-device.h>
23 #include <media/v4l2-fh.h>
24 #include <media/videobuf2-core.h>
26 #include "coda_regs.h"
28 #define CODA_MAX_FRAMEBUFFERS 8
29 #define CODA_MAX_FRAME_SIZE 0x100000
30 #define FMO_SLICE_SAVE_BUF_SIZE (32)
48 struct coda_video_device
;
52 enum coda_product product
;
53 const struct coda_codec
*codecs
;
54 unsigned int num_codecs
;
55 const struct coda_video_device
**vdevs
;
56 unsigned int num_vdevs
;
66 struct debugfs_blob_wrapper blob
;
67 struct dentry
*dentry
;
71 struct v4l2_device v4l2_dev
;
72 struct video_device vfd
[5];
73 struct platform_device
*plat_dev
;
74 const struct coda_devtype
*devtype
;
76 void __iomem
*regs_base
;
79 struct reset_control
*rstc
;
81 struct coda_aux_buf codebuf
;
82 struct coda_aux_buf tempbuf
;
83 struct coda_aux_buf workbuf
;
84 struct gen_pool
*iram_pool
;
85 struct coda_aux_buf iram
;
88 struct mutex dev_mutex
;
89 struct mutex coda_mutex
;
90 struct workqueue_struct
*workqueue
;
91 struct v4l2_m2m_dev
*m2m_dev
;
92 struct vb2_alloc_ctx
*alloc_ctx
;
93 struct list_head instances
;
94 unsigned long instance_mask
;
95 struct dentry
*debugfs_root
;
106 struct coda_huff_tab
;
114 u8 h264_deblk_enabled
;
122 u8 jpeg_restart_interval
;
123 u8
*jpeg_qmat_tab
[3];
126 enum v4l2_mpeg_video_multi_slice_mode slice_mode
;
133 struct coda_buffer_meta
{
134 struct list_head list
;
136 struct v4l2_timecode timecode
;
137 struct timeval timestamp
;
142 /* Per-queue, driver-specific private data */
146 unsigned int bytesperline
;
147 unsigned int sizeimage
;
149 struct v4l2_rect rect
;
152 struct coda_iram_info
{
154 phys_addr_t buf_bit_use
;
155 phys_addr_t buf_ip_ac_dc_use
;
156 phys_addr_t buf_dbk_y_use
;
157 phys_addr_t buf_dbk_c_use
;
158 phys_addr_t buf_ovl_use
;
159 phys_addr_t buf_btp_use
;
160 phys_addr_t search_ram_paddr
;
163 phys_addr_t next_paddr
;
166 struct gdi_tiled_map
{
173 #define GDI_LINEAR_FRAME_MAP 0
178 struct coda_context_ops
{
179 int (*queue_init
)(void *priv
, struct vb2_queue
*src_vq
,
180 struct vb2_queue
*dst_vq
);
181 int (*start_streaming
)(struct coda_ctx
*ctx
);
182 int (*prepare_run
)(struct coda_ctx
*ctx
);
183 void (*finish_run
)(struct coda_ctx
*ctx
);
184 void (*seq_end_work
)(struct work_struct
*work
);
185 void (*release
)(struct coda_ctx
*ctx
);
189 struct coda_dev
*dev
;
190 struct mutex buffer_mutex
;
191 struct list_head list
;
192 struct work_struct pic_run_work
;
193 struct work_struct seq_end_work
;
194 struct completion completion
;
195 const struct coda_video_device
*cvd
;
196 const struct coda_context_ops
*ops
;
204 struct coda_q_data q_data
[2];
205 enum coda_inst_type inst_type
;
206 const struct coda_codec
*codec
;
207 enum v4l2_colorspace colorspace
;
208 struct coda_params params
;
209 struct v4l2_ctrl_handler ctrls
;
213 char vpu_header
[3][64];
214 int vpu_header_size
[3];
215 struct kfifo bitstream_fifo
;
216 struct mutex bitstream_mutex
;
217 struct coda_aux_buf bitstream
;
219 struct coda_aux_buf parabuf
;
220 struct coda_aux_buf psbuf
;
221 struct coda_aux_buf slicebuf
;
222 struct coda_aux_buf internal_frames
[CODA_MAX_FRAMEBUFFERS
];
223 u32 frame_types
[CODA_MAX_FRAMEBUFFERS
];
224 struct coda_buffer_meta frame_metas
[CODA_MAX_FRAMEBUFFERS
];
225 u32 frame_errors
[CODA_MAX_FRAMEBUFFERS
];
226 struct list_head buffer_meta_list
;
227 struct coda_aux_buf workbuf
;
228 int num_internal_frames
;
231 struct coda_iram_info iram_info
;
232 struct gdi_tiled_map tiled_map
;
233 u32 bit_stream_param
;
237 struct dentry
*debugfs_entry
;
241 extern int coda_debug
;
243 void coda_write(struct coda_dev
*dev
, u32 data
, u32 reg
);
244 unsigned int coda_read(struct coda_dev
*dev
, u32 reg
);
245 void coda_write_base(struct coda_ctx
*ctx
, struct coda_q_data
*q_data
,
246 struct vb2_buffer
*buf
, unsigned int reg_y
);
248 int coda_alloc_aux_buf(struct coda_dev
*dev
, struct coda_aux_buf
*buf
,
249 size_t size
, const char *name
, struct dentry
*parent
);
250 void coda_free_aux_buf(struct coda_dev
*dev
, struct coda_aux_buf
*buf
);
252 static inline int coda_alloc_context_buf(struct coda_ctx
*ctx
,
253 struct coda_aux_buf
*buf
, size_t size
,
256 return coda_alloc_aux_buf(ctx
->dev
, buf
, size
, name
, ctx
->debugfs_entry
);
259 int coda_encoder_queue_init(void *priv
, struct vb2_queue
*src_vq
,
260 struct vb2_queue
*dst_vq
);
261 int coda_decoder_queue_init(void *priv
, struct vb2_queue
*src_vq
,
262 struct vb2_queue
*dst_vq
);
264 int coda_hw_reset(struct coda_ctx
*ctx
);
266 void coda_fill_bitstream(struct coda_ctx
*ctx
);
268 void coda_set_gdi_regs(struct coda_ctx
*ctx
);
270 static inline struct coda_q_data
*get_q_data(struct coda_ctx
*ctx
,
271 enum v4l2_buf_type type
)
274 case V4L2_BUF_TYPE_VIDEO_OUTPUT
:
275 return &(ctx
->q_data
[V4L2_M2M_SRC
]);
276 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
277 return &(ctx
->q_data
[V4L2_M2M_DST
]);
283 const char *coda_product_name(int product
);
285 int coda_check_firmware(struct coda_dev
*dev
);
287 static inline int coda_get_bitstream_payload(struct coda_ctx
*ctx
)
289 return kfifo_len(&ctx
->bitstream_fifo
);
292 void coda_bit_stream_end_flag(struct coda_ctx
*ctx
);
294 int coda_h264_padding(int size
, char *p
);
296 bool coda_jpeg_check_buffer(struct coda_ctx
*ctx
, struct vb2_buffer
*vb
);
297 int coda_jpeg_write_tables(struct coda_ctx
*ctx
);
298 void coda_set_jpeg_compression_quality(struct coda_ctx
*ctx
, int quality
);
300 extern const struct coda_context_ops coda_bit_encode_ops
;
301 extern const struct coda_context_ops coda_bit_decode_ops
;
303 irqreturn_t
coda_irq_handler(int irq
, void *data
);