summaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/chips-media/coda/coda.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/chips-media/coda/coda.h')
-rw-r--r--drivers/media/platform/chips-media/coda/coda.h403
1 files changed, 403 insertions, 0 deletions
diff --git a/drivers/media/platform/chips-media/coda/coda.h b/drivers/media/platform/chips-media/coda/coda.h
new file mode 100644
index 0000000000..ddfd0a32c6
--- /dev/null
+++ b/drivers/media/platform/chips-media/coda/coda.h
@@ -0,0 +1,403 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Coda multi-standard codec IP
+ *
+ * Copyright (C) 2012 Vista Silicon S.L.
+ * Javier Martin, <javier.martin@vista-silicon.com>
+ * Xavier Duret
+ * Copyright (C) 2012-2014 Philipp Zabel, Pengutronix
+ */
+
+#ifndef __CODA_H__
+#define __CODA_H__
+
+#include <linux/debugfs.h>
+#include <linux/idr.h>
+#include <linux/irqreturn.h>
+#include <linux/mutex.h>
+#include <linux/kfifo.h>
+#include <linux/videodev2.h>
+#include <linux/ratelimit.h>
+
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-fh.h>
+#include <media/videobuf2-v4l2.h>
+
+#include "coda_regs.h"
+
+#define CODA_MAX_FRAMEBUFFERS 19
+#define FMO_SLICE_SAVE_BUF_SIZE (32)
+
+/*
+ * This control allows applications to read the per-stream
+ * (i.e. per-context) Macroblocks Error Count. This value
+ * is CODA specific.
+ */
+#define V4L2_CID_CODA_MB_ERR_CNT (V4L2_CID_USER_CODA_BASE + 0)
+
+enum {
+ V4L2_M2M_SRC = 0,
+ V4L2_M2M_DST = 1,
+};
+
+enum coda_inst_type {
+ CODA_INST_ENCODER,
+ CODA_INST_DECODER,
+};
+
+enum coda_product {
+ CODA_DX6 = 0xf001,
+ CODA_HX4 = 0xf00a,
+ CODA_7541 = 0xf012,
+ CODA_960 = 0xf020,
+};
+
+struct coda_video_device;
+
+struct coda_devtype {
+ char *firmware[3];
+ enum coda_product product;
+ const struct coda_codec *codecs;
+ unsigned int num_codecs;
+ const struct coda_video_device **vdevs;
+ unsigned int num_vdevs;
+ size_t workbuf_size;
+ size_t tempbuf_size;
+ size_t iram_size;
+};
+
+struct coda_aux_buf {
+ void *vaddr;
+ dma_addr_t paddr;
+ u32 size;
+ struct debugfs_blob_wrapper blob;
+ struct dentry *dentry;
+};
+
+struct coda_dev {
+ struct v4l2_device v4l2_dev;
+ struct video_device vfd[6];
+ struct device *dev;
+ const struct coda_devtype *devtype;
+ int firmware;
+ struct vdoa_data *vdoa;
+
+ void __iomem *regs_base;
+ struct clk *clk_per;
+ struct clk *clk_ahb;
+ struct reset_control *rstc;
+
+ struct coda_aux_buf codebuf;
+ struct coda_aux_buf tempbuf;
+ struct coda_aux_buf workbuf;
+ struct gen_pool *iram_pool;
+ struct coda_aux_buf iram;
+
+ struct mutex dev_mutex;
+ struct mutex coda_mutex;
+ struct workqueue_struct *workqueue;
+ struct v4l2_m2m_dev *m2m_dev;
+ struct ida ida;
+ struct dentry *debugfs_root;
+ struct ratelimit_state mb_err_rs;
+};
+
+struct coda_codec {
+ u32 mode;
+ u32 src_fourcc;
+ u32 dst_fourcc;
+ u32 max_w;
+ u32 max_h;
+};
+
+struct coda_huff_tab;
+
+struct coda_params {
+ u8 rot_mode;
+ u8 h264_intra_qp;
+ u8 h264_inter_qp;
+ u8 h264_min_qp;
+ u8 h264_max_qp;
+ u8 h264_disable_deblocking_filter_idc;
+ s8 h264_slice_alpha_c0_offset_div2;
+ s8 h264_slice_beta_offset_div2;
+ bool h264_constrained_intra_pred_flag;
+ s8 h264_chroma_qp_index_offset;
+ u8 h264_profile_idc;
+ u8 h264_level_idc;
+ u8 mpeg2_profile_idc;
+ u8 mpeg2_level_idc;
+ u8 mpeg4_intra_qp;
+ u8 mpeg4_inter_qp;
+ u8 gop_size;
+ int intra_refresh;
+ enum v4l2_jpeg_chroma_subsampling jpeg_chroma_subsampling;
+ u8 jpeg_quality;
+ u8 jpeg_restart_interval;
+ u8 *jpeg_qmat_tab[3];
+ int jpeg_qmat_index[3];
+ int jpeg_huff_dc_index[3];
+ int jpeg_huff_ac_index[3];
+ u32 *jpeg_huff_data;
+ struct coda_huff_tab *jpeg_huff_tab;
+ int codec_mode;
+ int codec_mode_aux;
+ enum v4l2_mpeg_video_multi_slice_mode slice_mode;
+ u32 framerate;
+ u16 bitrate;
+ u16 vbv_delay;
+ u32 vbv_size;
+ u32 slice_max_bits;
+ u32 slice_max_mb;
+ bool force_ipicture;
+ bool gop_size_changed;
+ bool bitrate_changed;
+ bool framerate_changed;
+ bool h264_intra_qp_changed;
+ bool intra_refresh_changed;
+ bool slice_mode_changed;
+ bool frame_rc_enable;
+ bool mb_rc_enable;
+};
+
+struct coda_buffer_meta {
+ struct list_head list;
+ u32 sequence;
+ struct v4l2_timecode timecode;
+ u64 timestamp;
+ unsigned int start;
+ unsigned int end;
+ bool last;
+};
+
+/* Per-queue, driver-specific private data */
+struct coda_q_data {
+ unsigned int width;
+ unsigned int height;
+ unsigned int bytesperline;
+ unsigned int sizeimage;
+ unsigned int fourcc;
+ struct v4l2_rect rect;
+};
+
+struct coda_iram_info {
+ u32 axi_sram_use;
+ phys_addr_t buf_bit_use;
+ phys_addr_t buf_ip_ac_dc_use;
+ phys_addr_t buf_dbk_y_use;
+ phys_addr_t buf_dbk_c_use;
+ phys_addr_t buf_ovl_use;
+ phys_addr_t buf_btp_use;
+ phys_addr_t search_ram_paddr;
+ int search_ram_size;
+ int remaining;
+ phys_addr_t next_paddr;
+};
+
+#define GDI_LINEAR_FRAME_MAP 0
+#define GDI_TILED_FRAME_MB_RASTER_MAP 1
+
+struct coda_ctx;
+
+struct coda_context_ops {
+ int (*queue_init)(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq);
+ int (*reqbufs)(struct coda_ctx *ctx, struct v4l2_requestbuffers *rb);
+ int (*start_streaming)(struct coda_ctx *ctx);
+ int (*prepare_run)(struct coda_ctx *ctx);
+ void (*finish_run)(struct coda_ctx *ctx);
+ void (*run_timeout)(struct coda_ctx *ctx);
+ void (*seq_init_work)(struct work_struct *work);
+ void (*seq_end_work)(struct work_struct *work);
+ void (*release)(struct coda_ctx *ctx);
+};
+
+struct coda_internal_frame {
+ struct coda_aux_buf buf;
+ struct coda_buffer_meta meta;
+ u32 type;
+ u32 error;
+};
+
+struct coda_ctx {
+ struct coda_dev *dev;
+ struct mutex buffer_mutex;
+ struct work_struct pic_run_work;
+ struct work_struct seq_init_work;
+ struct work_struct seq_end_work;
+ struct completion completion;
+ const struct coda_video_device *cvd;
+ const struct coda_context_ops *ops;
+ int aborting;
+ int initialized;
+ int streamon_out;
+ int streamon_cap;
+ u32 qsequence;
+ u32 osequence;
+ u32 sequence_offset;
+ struct coda_q_data q_data[2];
+ enum coda_inst_type inst_type;
+ const struct coda_codec *codec;
+ enum v4l2_colorspace colorspace;
+ enum v4l2_xfer_func xfer_func;
+ enum v4l2_ycbcr_encoding ycbcr_enc;
+ enum v4l2_quantization quantization;
+ struct coda_params params;
+ struct v4l2_ctrl_handler ctrls;
+ struct v4l2_ctrl *h264_profile_ctrl;
+ struct v4l2_ctrl *h264_level_ctrl;
+ struct v4l2_ctrl *mpeg2_profile_ctrl;
+ struct v4l2_ctrl *mpeg2_level_ctrl;
+ struct v4l2_ctrl *mpeg4_profile_ctrl;
+ struct v4l2_ctrl *mpeg4_level_ctrl;
+ struct v4l2_ctrl *mb_err_cnt_ctrl;
+ struct v4l2_fh fh;
+ int gopcounter;
+ int runcounter;
+ int jpeg_ecs_offset;
+ char vpu_header[3][64];
+ int vpu_header_size[3];
+ struct kfifo bitstream_fifo;
+ struct mutex bitstream_mutex;
+ struct coda_aux_buf bitstream;
+ bool hold;
+ struct coda_aux_buf parabuf;
+ struct coda_aux_buf psbuf;
+ struct coda_aux_buf slicebuf;
+ struct coda_internal_frame internal_frames[CODA_MAX_FRAMEBUFFERS];
+ struct list_head buffer_meta_list;
+ spinlock_t buffer_meta_lock;
+ int num_metas;
+ unsigned int first_frame_sequence;
+ struct coda_aux_buf workbuf;
+ int num_internal_frames;
+ int idx;
+ int reg_idx;
+ struct coda_iram_info iram_info;
+ int tiled_map_type;
+ u32 bit_stream_param;
+ u32 frm_dis_flg;
+ u32 frame_mem_ctrl;
+ u32 para_change;
+ int display_idx;
+ struct dentry *debugfs_entry;
+ bool use_bit;
+ bool use_vdoa;
+ struct vdoa_ctx *vdoa;
+ /*
+ * wakeup mutex used to serialize encoder stop command and finish_run,
+ * ensures that finish_run always either flags the last returned buffer
+ * or wakes up the capture queue to signal EOS afterwards.
+ */
+ struct mutex wakeup_mutex;
+};
+
+extern int coda_debug;
+
+#define coda_dbg(level, ctx, fmt, arg...) \
+ do { \
+ if (coda_debug >= (level)) \
+ v4l2_dbg((level), coda_debug, &(ctx)->dev->v4l2_dev, \
+ "%u: " fmt, (ctx)->idx, ##arg); \
+ } while (0)
+
+void coda_write(struct coda_dev *dev, u32 data, u32 reg);
+unsigned int coda_read(struct coda_dev *dev, u32 reg);
+void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
+ struct vb2_v4l2_buffer *buf, unsigned int reg_y);
+
+int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
+ size_t size, const char *name, struct dentry *parent);
+void coda_free_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf);
+
+int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq);
+int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq);
+
+int coda_hw_reset(struct coda_ctx *ctx);
+
+void coda_fill_bitstream(struct coda_ctx *ctx, struct list_head *buffer_list);
+
+void coda_set_gdi_regs(struct coda_ctx *ctx);
+
+static inline struct coda_q_data *get_q_data(struct coda_ctx *ctx,
+ enum v4l2_buf_type type)
+{
+ switch (type) {
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ return &(ctx->q_data[V4L2_M2M_SRC]);
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ return &(ctx->q_data[V4L2_M2M_DST]);
+ default:
+ return NULL;
+ }
+}
+
+const char *coda_product_name(int product);
+
+int coda_check_firmware(struct coda_dev *dev);
+
+static inline unsigned int coda_get_bitstream_payload(struct coda_ctx *ctx)
+{
+ return kfifo_len(&ctx->bitstream_fifo);
+}
+
+/*
+ * The bitstream prefetcher needs to read at least 2 256 byte periods past
+ * the desired bitstream position for all data to reach the decoder.
+ */
+static inline bool coda_bitstream_can_fetch_past(struct coda_ctx *ctx,
+ unsigned int pos)
+{
+ return (int)(ctx->bitstream_fifo.kfifo.in - ALIGN(pos, 256)) > 512;
+}
+
+bool coda_bitstream_can_fetch_past(struct coda_ctx *ctx, unsigned int pos);
+int coda_bitstream_flush(struct coda_ctx *ctx);
+
+void coda_bit_stream_end_flag(struct coda_ctx *ctx);
+
+void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
+ enum vb2_buffer_state state);
+
+int coda_h264_filler_nal(int size, char *p);
+int coda_h264_padding(int size, char *p);
+int coda_h264_profile(int profile_idc);
+int coda_h264_level(int level_idc);
+int coda_sps_parse_profile(struct coda_ctx *ctx, struct vb2_buffer *vb);
+int coda_h264_sps_fixup(struct coda_ctx *ctx, int width, int height, char *buf,
+ int *size, int max_size);
+
+int coda_mpeg2_profile(int profile_idc);
+int coda_mpeg2_level(int level_idc);
+u32 coda_mpeg2_parse_headers(struct coda_ctx *ctx, u8 *buf, u32 size);
+int coda_mpeg4_profile(int profile_idc);
+int coda_mpeg4_level(int level_idc);
+u32 coda_mpeg4_parse_headers(struct coda_ctx *ctx, u8 *buf, u32 size);
+
+void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc,
+ u8 level_idc);
+
+static inline int coda_jpeg_scale(int src, int dst)
+{
+ return (dst <= src / 8) ? 3 :
+ (dst <= src / 4) ? 2 :
+ (dst <= src / 2) ? 1 : 0;
+}
+
+bool coda_jpeg_check_buffer(struct coda_ctx *ctx, struct vb2_buffer *vb);
+int coda_jpeg_decode_header(struct coda_ctx *ctx, struct vb2_buffer *vb);
+int coda_jpeg_write_tables(struct coda_ctx *ctx);
+void coda_set_jpeg_compression_quality(struct coda_ctx *ctx, int quality);
+
+extern const struct coda_context_ops coda_bit_encode_ops;
+extern const struct coda_context_ops coda_bit_decode_ops;
+extern const struct coda_context_ops coda9_jpeg_encode_ops;
+extern const struct coda_context_ops coda9_jpeg_decode_ops;
+
+irqreturn_t coda_irq_handler(int irq, void *data);
+irqreturn_t coda9_jpeg_irq_handler(int irq, void *data);
+
+#endif /* __CODA_H__ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 08:30:05 +0000