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Philipp Zabela2b3e462014-07-23 12:28:39 -03001/*
2 * Coda multi-standard codec IP
3 *
4 * Copyright (C) 2012 Vista Silicon S.L.
5 * Javier Martin, <javier.martin@vista-silicon.com>
6 * Xavier Duret
7 * Copyright (C) 2012-2014 Philipp Zabel, Pengutronix
8 *
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.
13 */
14
Philipp Zabel9a1a8f92015-01-29 14:36:00 -030015#ifndef __CODA_H__
16#define __CODA_H__
17
Philipp Zabela2b3e462014-07-23 12:28:39 -030018#include <linux/debugfs.h>
19#include <linux/irqreturn.h>
20#include <linux/mutex.h>
21#include <linux/kfifo.h>
22#include <linux/videodev2.h>
23
24#include <media/v4l2-ctrls.h>
25#include <media/v4l2-device.h>
26#include <media/v4l2-fh.h>
Junghak Sungc1399902015-09-22 10:30:29 -030027#include <media/videobuf2-v4l2.h>
Philipp Zabela2b3e462014-07-23 12:28:39 -030028
29#include "coda_regs.h"
30
31#define CODA_MAX_FRAMEBUFFERS 8
Philipp Zabela2b3e462014-07-23 12:28:39 -030032#define FMO_SLICE_SAVE_BUF_SIZE (32)
33
34enum {
35 V4L2_M2M_SRC = 0,
36 V4L2_M2M_DST = 1,
37};
38
39enum coda_inst_type {
40 CODA_INST_ENCODER,
41 CODA_INST_DECODER,
42};
43
44enum coda_product {
45 CODA_DX6 = 0xf001,
46 CODA_7541 = 0xf012,
47 CODA_960 = 0xf020,
48};
49
Philipp Zabel2c11d1b2014-10-02 14:08:28 -030050struct coda_video_device;
51
Philipp Zabela2b3e462014-07-23 12:28:39 -030052struct coda_devtype {
53 char *firmware;
54 enum coda_product product;
55 const struct coda_codec *codecs;
56 unsigned int num_codecs;
Philipp Zabel2c11d1b2014-10-02 14:08:28 -030057 const struct coda_video_device **vdevs;
58 unsigned int num_vdevs;
Philipp Zabela2b3e462014-07-23 12:28:39 -030059 size_t workbuf_size;
60 size_t tempbuf_size;
61 size_t iram_size;
62};
63
64struct coda_aux_buf {
65 void *vaddr;
66 dma_addr_t paddr;
67 u32 size;
68 struct debugfs_blob_wrapper blob;
69 struct dentry *dentry;
70};
71
72struct coda_dev {
73 struct v4l2_device v4l2_dev;
Philipp Zabelcb1d3a32014-10-02 14:08:31 -030074 struct video_device vfd[5];
Philipp Zabela2b3e462014-07-23 12:28:39 -030075 struct platform_device *plat_dev;
76 const struct coda_devtype *devtype;
77
78 void __iomem *regs_base;
79 struct clk *clk_per;
80 struct clk *clk_ahb;
81 struct reset_control *rstc;
82
83 struct coda_aux_buf codebuf;
84 struct coda_aux_buf tempbuf;
85 struct coda_aux_buf workbuf;
86 struct gen_pool *iram_pool;
87 struct coda_aux_buf iram;
88
89 spinlock_t irqlock;
90 struct mutex dev_mutex;
91 struct mutex coda_mutex;
92 struct workqueue_struct *workqueue;
93 struct v4l2_m2m_dev *m2m_dev;
94 struct vb2_alloc_ctx *alloc_ctx;
95 struct list_head instances;
96 unsigned long instance_mask;
97 struct dentry *debugfs_root;
98};
99
100struct coda_codec {
101 u32 mode;
102 u32 src_fourcc;
103 u32 dst_fourcc;
104 u32 max_w;
105 u32 max_h;
106};
107
108struct coda_huff_tab;
109
110struct coda_params {
111 u8 rot_mode;
112 u8 h264_intra_qp;
113 u8 h264_inter_qp;
114 u8 h264_min_qp;
115 u8 h264_max_qp;
116 u8 h264_deblk_enabled;
117 u8 h264_deblk_alpha;
118 u8 h264_deblk_beta;
119 u8 mpeg4_intra_qp;
120 u8 mpeg4_inter_qp;
121 u8 gop_size;
122 int intra_refresh;
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300123 u8 jpeg_quality;
124 u8 jpeg_restart_interval;
125 u8 *jpeg_qmat_tab[3];
Philipp Zabela2b3e462014-07-23 12:28:39 -0300126 int codec_mode;
127 int codec_mode_aux;
128 enum v4l2_mpeg_video_multi_slice_mode slice_mode;
129 u32 framerate;
130 u16 bitrate;
Philipp Zabelda2b3b32015-07-10 10:37:52 -0300131 u16 vbv_delay;
132 u32 vbv_size;
Philipp Zabela2b3e462014-07-23 12:28:39 -0300133 u32 slice_max_bits;
134 u32 slice_max_mb;
135};
136
Philipp Zabel7cbb1052014-10-02 14:08:32 -0300137struct coda_buffer_meta {
Philipp Zabela2b3e462014-07-23 12:28:39 -0300138 struct list_head list;
139 u32 sequence;
140 struct v4l2_timecode timecode;
141 struct timeval timestamp;
Philipp Zabel7cbb1052014-10-02 14:08:32 -0300142 u32 start;
143 u32 end;
Philipp Zabela2b3e462014-07-23 12:28:39 -0300144};
145
146/* Per-queue, driver-specific private data */
147struct coda_q_data {
148 unsigned int width;
149 unsigned int height;
150 unsigned int bytesperline;
151 unsigned int sizeimage;
152 unsigned int fourcc;
153 struct v4l2_rect rect;
154};
155
156struct coda_iram_info {
157 u32 axi_sram_use;
158 phys_addr_t buf_bit_use;
159 phys_addr_t buf_ip_ac_dc_use;
160 phys_addr_t buf_dbk_y_use;
161 phys_addr_t buf_dbk_c_use;
162 phys_addr_t buf_ovl_use;
163 phys_addr_t buf_btp_use;
164 phys_addr_t search_ram_paddr;
165 int search_ram_size;
166 int remaining;
167 phys_addr_t next_paddr;
168};
169
Philipp Zabela2b3e462014-07-23 12:28:39 -0300170#define GDI_LINEAR_FRAME_MAP 0
Philipp Zabela269e532015-07-16 13:19:38 -0300171#define GDI_TILED_FRAME_MB_RASTER_MAP 1
Philipp Zabela2b3e462014-07-23 12:28:39 -0300172
Philipp Zabela1192a12014-07-23 12:28:40 -0300173struct coda_ctx;
174
175struct coda_context_ops {
176 int (*queue_init)(void *priv, struct vb2_queue *src_vq,
177 struct vb2_queue *dst_vq);
Philipp Zabel73751da2015-03-24 14:30:51 -0300178 int (*reqbufs)(struct coda_ctx *ctx, struct v4l2_requestbuffers *rb);
Philipp Zabela1192a12014-07-23 12:28:40 -0300179 int (*start_streaming)(struct coda_ctx *ctx);
180 int (*prepare_run)(struct coda_ctx *ctx);
181 void (*finish_run)(struct coda_ctx *ctx);
182 void (*seq_end_work)(struct work_struct *work);
183 void (*release)(struct coda_ctx *ctx);
184};
185
Philipp Zabela2b3e462014-07-23 12:28:39 -0300186struct coda_ctx {
187 struct coda_dev *dev;
188 struct mutex buffer_mutex;
189 struct list_head list;
190 struct work_struct pic_run_work;
191 struct work_struct seq_end_work;
192 struct completion completion;
Philipp Zabel2c11d1b2014-10-02 14:08:28 -0300193 const struct coda_video_device *cvd;
Philipp Zabela1192a12014-07-23 12:28:40 -0300194 const struct coda_context_ops *ops;
Philipp Zabela2b3e462014-07-23 12:28:39 -0300195 int aborting;
196 int initialized;
197 int streamon_out;
198 int streamon_cap;
Philipp Zabela2b3e462014-07-23 12:28:39 -0300199 u32 qsequence;
200 u32 osequence;
201 u32 sequence_offset;
202 struct coda_q_data q_data[2];
203 enum coda_inst_type inst_type;
204 const struct coda_codec *codec;
205 enum v4l2_colorspace colorspace;
206 struct coda_params params;
207 struct v4l2_ctrl_handler ctrls;
208 struct v4l2_fh fh;
209 int gopcounter;
210 int runcounter;
211 char vpu_header[3][64];
212 int vpu_header_size[3];
213 struct kfifo bitstream_fifo;
214 struct mutex bitstream_mutex;
215 struct coda_aux_buf bitstream;
216 bool hold;
217 struct coda_aux_buf parabuf;
218 struct coda_aux_buf psbuf;
219 struct coda_aux_buf slicebuf;
220 struct coda_aux_buf internal_frames[CODA_MAX_FRAMEBUFFERS];
221 u32 frame_types[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel7cbb1052014-10-02 14:08:32 -0300222 struct coda_buffer_meta frame_metas[CODA_MAX_FRAMEBUFFERS];
Philipp Zabela2b3e462014-07-23 12:28:39 -0300223 u32 frame_errors[CODA_MAX_FRAMEBUFFERS];
Philipp Zabel7cbb1052014-10-02 14:08:32 -0300224 struct list_head buffer_meta_list;
Philipp Zabel47f3fa62015-07-09 07:10:21 -0300225 spinlock_t buffer_meta_lock;
226 int num_metas;
Philipp Zabela2b3e462014-07-23 12:28:39 -0300227 struct coda_aux_buf workbuf;
228 int num_internal_frames;
229 int idx;
230 int reg_idx;
231 struct coda_iram_info iram_info;
Philipp Zabela269e532015-07-16 13:19:38 -0300232 int tiled_map_type;
Philipp Zabela2b3e462014-07-23 12:28:39 -0300233 u32 bit_stream_param;
234 u32 frm_dis_flg;
235 u32 frame_mem_ctrl;
236 int display_idx;
237 struct dentry *debugfs_entry;
Philipp Zabela22496c2015-01-23 13:51:33 -0300238 bool use_bit;
Philipp Zabela2b3e462014-07-23 12:28:39 -0300239};
Philipp Zabel4f4ee9e2014-07-23 12:28:44 -0300240
Philipp Zabel79924ca2014-07-23 12:28:45 -0300241extern int coda_debug;
242
243void coda_write(struct coda_dev *dev, u32 data, u32 reg);
244unsigned int coda_read(struct coda_dev *dev, u32 reg);
Philipp Zabel856d7d92014-09-29 09:53:44 -0300245void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
Junghak Sung2d700712015-09-22 10:30:30 -0300246 struct vb2_v4l2_buffer *buf, unsigned int reg_y);
Philipp Zabel79924ca2014-07-23 12:28:45 -0300247
248int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
249 size_t size, const char *name, struct dentry *parent);
250void coda_free_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf);
251
Philipp Zabel79924ca2014-07-23 12:28:45 -0300252int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
253 struct vb2_queue *dst_vq);
254int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
255 struct vb2_queue *dst_vq);
256
257int coda_hw_reset(struct coda_ctx *ctx);
258
Philipp Zabel582d88722015-03-24 14:30:57 -0300259void coda_fill_bitstream(struct coda_ctx *ctx, bool streaming);
Philipp Zabel79924ca2014-07-23 12:28:45 -0300260
261void coda_set_gdi_regs(struct coda_ctx *ctx);
262
263static inline struct coda_q_data *get_q_data(struct coda_ctx *ctx,
264 enum v4l2_buf_type type)
265{
266 switch (type) {
267 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
268 return &(ctx->q_data[V4L2_M2M_SRC]);
269 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
270 return &(ctx->q_data[V4L2_M2M_DST]);
271 default:
272 return NULL;
273 }
274}
275
276const char *coda_product_name(int product);
277
278int coda_check_firmware(struct coda_dev *dev);
279
Philipp Zabel2b768462015-03-24 14:30:49 -0300280static inline unsigned int coda_get_bitstream_payload(struct coda_ctx *ctx)
Philipp Zabel79924ca2014-07-23 12:28:45 -0300281{
282 return kfifo_len(&ctx->bitstream_fifo);
283}
284
285void coda_bit_stream_end_flag(struct coda_ctx *ctx);
286
Junghak Sung2d700712015-09-22 10:30:30 -0300287void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
Philipp Zabel9f2bfb32015-05-04 07:51:07 -0300288 enum vb2_buffer_state state);
289
Philipp Zabel4f4ee9e2014-07-23 12:28:44 -0300290int coda_h264_padding(int size, char *p);
Philipp Zabel79924ca2014-07-23 12:28:45 -0300291
Junghak Sung2d700712015-09-22 10:30:30 -0300292bool coda_jpeg_check_buffer(struct coda_ctx *ctx, struct vb2_v4l2_buffer *vb);
Philipp Zabelcb1d3a32014-10-02 14:08:31 -0300293int coda_jpeg_write_tables(struct coda_ctx *ctx);
294void coda_set_jpeg_compression_quality(struct coda_ctx *ctx, int quality);
295
Philipp Zabel79924ca2014-07-23 12:28:45 -0300296extern const struct coda_context_ops coda_bit_encode_ops;
297extern const struct coda_context_ops coda_bit_decode_ops;
298
299irqreturn_t coda_irq_handler(int irq, void *data);
Philipp Zabel9a1a8f92015-01-29 14:36:00 -0300300
301#endif /* __CODA_H__ */