456 lines
12 KiB
C
Executable file
456 lines
12 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) STMicroelectronics SA 2013
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* Author: Hugues Fruchet <hugues.fruchet@st.com> for STMicroelectronics.
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*/
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#include <linux/slab.h>
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#include "delta.h"
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#include "delta-ipc.h"
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#include "delta-mjpeg.h"
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#include "delta-mjpeg-fw.h"
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#define DELTA_MJPEG_MAX_RESO DELTA_MAX_RESO
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struct delta_mjpeg_ctx {
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/* jpeg header */
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struct mjpeg_header header_struct;
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struct mjpeg_header *header;
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/* ipc */
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void *ipc_hdl;
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struct delta_buf *ipc_buf;
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/* decoded output frame */
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struct delta_frame *out_frame;
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unsigned char str[3000];
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};
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#define to_ctx(ctx) ((struct delta_mjpeg_ctx *)(ctx)->priv)
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static char *ipc_open_param_str(struct jpeg_video_decode_init_params_t *p,
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char *str, unsigned int len)
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{
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char *b = str;
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if (!p)
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return "";
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b += snprintf(b, len,
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"jpeg_video_decode_init_params_t\n"
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"circular_buffer_begin_addr_p 0x%x\n"
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"circular_buffer_end_addr_p 0x%x\n",
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p->circular_buffer_begin_addr_p,
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p->circular_buffer_end_addr_p);
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return str;
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}
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static char *ipc_decode_param_str(struct jpeg_decode_params_t *p,
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char *str, unsigned int len)
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{
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char *b = str;
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if (!p)
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return "";
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b += snprintf(b, len,
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"jpeg_decode_params_t\n"
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"picture_start_addr_p 0x%x\n"
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"picture_end_addr_p 0x%x\n"
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"decoding_mode %d\n"
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"display_buffer_addr.display_decimated_luma_p 0x%x\n"
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"display_buffer_addr.display_decimated_chroma_p 0x%x\n"
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"main_aux_enable %d\n"
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"additional_flags 0x%x\n"
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"field_flag %x\n"
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"is_jpeg_image %x\n",
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p->picture_start_addr_p,
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p->picture_end_addr_p,
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p->decoding_mode,
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p->display_buffer_addr.display_decimated_luma_p,
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p->display_buffer_addr.display_decimated_chroma_p,
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p->main_aux_enable, p->additional_flags,
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p->field_flag,
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p->is_jpeg_image);
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return str;
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}
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static inline bool is_stream_error(enum jpeg_decoding_error_t err)
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{
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switch (err) {
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case JPEG_DECODER_UNDEFINED_HUFF_TABLE:
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case JPEG_DECODER_BAD_RESTART_MARKER:
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case JPEG_DECODER_BAD_SOS_SPECTRAL:
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case JPEG_DECODER_BAD_SOS_SUCCESSIVE:
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case JPEG_DECODER_BAD_HEADER_LENGTH:
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case JPEG_DECODER_BAD_COUNT_VALUE:
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case JPEG_DECODER_BAD_DHT_MARKER:
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case JPEG_DECODER_BAD_INDEX_VALUE:
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case JPEG_DECODER_BAD_NUMBER_HUFFMAN_TABLES:
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case JPEG_DECODER_BAD_QUANT_TABLE_LENGTH:
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case JPEG_DECODER_BAD_NUMBER_QUANT_TABLES:
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case JPEG_DECODER_BAD_COMPONENT_COUNT:
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return true;
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default:
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return false;
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}
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}
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static inline const char *err_str(enum jpeg_decoding_error_t err)
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{
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switch (err) {
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case JPEG_DECODER_NO_ERROR:
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return "JPEG_DECODER_NO_ERROR";
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case JPEG_DECODER_UNDEFINED_HUFF_TABLE:
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return "JPEG_DECODER_UNDEFINED_HUFF_TABLE";
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case JPEG_DECODER_UNSUPPORTED_MARKER:
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return "JPEG_DECODER_UNSUPPORTED_MARKER";
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case JPEG_DECODER_UNABLE_ALLOCATE_MEMORY:
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return "JPEG_DECODER_UNABLE_ALLOCATE_MEMORY";
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case JPEG_DECODER_NON_SUPPORTED_SAMP_FACTORS:
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return "JPEG_DECODER_NON_SUPPORTED_SAMP_FACTORS";
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case JPEG_DECODER_BAD_PARAMETER:
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return "JPEG_DECODER_BAD_PARAMETER";
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case JPEG_DECODER_DECODE_ERROR:
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return "JPEG_DECODER_DECODE_ERROR";
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case JPEG_DECODER_BAD_RESTART_MARKER:
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return "JPEG_DECODER_BAD_RESTART_MARKER";
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case JPEG_DECODER_UNSUPPORTED_COLORSPACE:
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return "JPEG_DECODER_UNSUPPORTED_COLORSPACE";
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case JPEG_DECODER_BAD_SOS_SPECTRAL:
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return "JPEG_DECODER_BAD_SOS_SPECTRAL";
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case JPEG_DECODER_BAD_SOS_SUCCESSIVE:
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return "JPEG_DECODER_BAD_SOS_SUCCESSIVE";
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case JPEG_DECODER_BAD_HEADER_LENGTH:
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return "JPEG_DECODER_BAD_HEADER_LENGTH";
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case JPEG_DECODER_BAD_COUNT_VALUE:
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return "JPEG_DECODER_BAD_COUNT_VALUE";
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case JPEG_DECODER_BAD_DHT_MARKER:
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return "JPEG_DECODER_BAD_DHT_MARKER";
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case JPEG_DECODER_BAD_INDEX_VALUE:
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return "JPEG_DECODER_BAD_INDEX_VALUE";
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case JPEG_DECODER_BAD_NUMBER_HUFFMAN_TABLES:
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return "JPEG_DECODER_BAD_NUMBER_HUFFMAN_TABLES";
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case JPEG_DECODER_BAD_QUANT_TABLE_LENGTH:
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return "JPEG_DECODER_BAD_QUANT_TABLE_LENGTH";
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case JPEG_DECODER_BAD_NUMBER_QUANT_TABLES:
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return "JPEG_DECODER_BAD_NUMBER_QUANT_TABLES";
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case JPEG_DECODER_BAD_COMPONENT_COUNT:
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return "JPEG_DECODER_BAD_COMPONENT_COUNT";
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case JPEG_DECODER_DIVIDE_BY_ZERO_ERROR:
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return "JPEG_DECODER_DIVIDE_BY_ZERO_ERROR";
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case JPEG_DECODER_NOT_JPG_IMAGE:
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return "JPEG_DECODER_NOT_JPG_IMAGE";
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case JPEG_DECODER_UNSUPPORTED_ROTATION_ANGLE:
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return "JPEG_DECODER_UNSUPPORTED_ROTATION_ANGLE";
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case JPEG_DECODER_UNSUPPORTED_SCALING:
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return "JPEG_DECODER_UNSUPPORTED_SCALING";
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case JPEG_DECODER_INSUFFICIENT_OUTPUTBUFFER_SIZE:
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return "JPEG_DECODER_INSUFFICIENT_OUTPUTBUFFER_SIZE";
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case JPEG_DECODER_BAD_HWCFG_GP_VERSION_VALUE:
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return "JPEG_DECODER_BAD_HWCFG_GP_VERSION_VALUE";
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case JPEG_DECODER_BAD_VALUE_FROM_RED:
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return "JPEG_DECODER_BAD_VALUE_FROM_RED";
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case JPEG_DECODER_BAD_SUBREGION_PARAMETERS:
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return "JPEG_DECODER_BAD_SUBREGION_PARAMETERS";
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case JPEG_DECODER_PROGRESSIVE_DECODE_NOT_SUPPORTED:
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return "JPEG_DECODER_PROGRESSIVE_DECODE_NOT_SUPPORTED";
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case JPEG_DECODER_ERROR_TASK_TIMEOUT:
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return "JPEG_DECODER_ERROR_TASK_TIMEOUT";
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case JPEG_DECODER_ERROR_FEATURE_NOT_SUPPORTED:
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return "JPEG_DECODER_ERROR_FEATURE_NOT_SUPPORTED";
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default:
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return "!unknown MJPEG error!";
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}
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}
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static bool delta_mjpeg_check_status(struct delta_ctx *pctx,
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struct jpeg_decode_return_params_t *status)
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{
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struct delta_dev *delta = pctx->dev;
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bool dump = false;
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if (status->error_code == JPEG_DECODER_NO_ERROR)
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goto out;
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if (is_stream_error(status->error_code)) {
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dev_warn_ratelimited(delta->dev,
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"%s firmware: stream error @ frame %d (%s)\n",
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pctx->name, pctx->decoded_frames,
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err_str(status->error_code));
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pctx->stream_errors++;
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} else {
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dev_warn_ratelimited(delta->dev,
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"%s firmware: decode error @ frame %d (%s)\n",
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pctx->name, pctx->decoded_frames,
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err_str(status->error_code));
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pctx->decode_errors++;
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dump = true;
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}
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out:
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dev_dbg(delta->dev,
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"%s firmware: decoding time(us)=%d\n", pctx->name,
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status->decode_time_in_us);
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return dump;
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}
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static int delta_mjpeg_ipc_open(struct delta_ctx *pctx)
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{
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struct delta_dev *delta = pctx->dev;
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struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
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int ret = 0;
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struct jpeg_video_decode_init_params_t params_struct;
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struct jpeg_video_decode_init_params_t *params = ¶ms_struct;
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struct delta_buf *ipc_buf;
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u32 ipc_buf_size;
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struct delta_ipc_param ipc_param;
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void *hdl;
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memset(params, 0, sizeof(*params));
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params->circular_buffer_begin_addr_p = 0x00000000;
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params->circular_buffer_end_addr_p = 0xffffffff;
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dev_vdbg(delta->dev,
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"%s %s\n", pctx->name,
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ipc_open_param_str(params, ctx->str, sizeof(ctx->str)));
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ipc_param.size = sizeof(*params);
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ipc_param.data = params;
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ipc_buf_size = sizeof(struct jpeg_decode_params_t) +
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sizeof(struct jpeg_decode_return_params_t);
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ret = delta_ipc_open(pctx, "JPEG_DECODER_HW0", &ipc_param,
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ipc_buf_size, &ipc_buf, &hdl);
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if (ret) {
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dev_err(delta->dev,
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"%s dumping command %s\n", pctx->name,
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ipc_open_param_str(params, ctx->str, sizeof(ctx->str)));
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return ret;
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}
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ctx->ipc_buf = ipc_buf;
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ctx->ipc_hdl = hdl;
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return 0;
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}
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static int delta_mjpeg_ipc_decode(struct delta_ctx *pctx, struct delta_au *au)
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{
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struct delta_dev *delta = pctx->dev;
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struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
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int ret = 0;
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struct jpeg_decode_params_t *params = ctx->ipc_buf->vaddr;
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struct jpeg_decode_return_params_t *status =
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ctx->ipc_buf->vaddr + sizeof(*params);
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struct delta_frame *frame;
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struct delta_ipc_param ipc_param, ipc_status;
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ret = delta_get_free_frame(pctx, &frame);
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if (ret)
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return ret;
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memset(params, 0, sizeof(*params));
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params->picture_start_addr_p = (u32)(au->paddr);
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params->picture_end_addr_p = (u32)(au->paddr + au->size - 1);
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/*
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* !WARNING!
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* the NV12 decoded frame is only available
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* on decimated output when enabling flag
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* "JPEG_ADDITIONAL_FLAG_420MB"...
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* the non decimated output gives YUV422SP
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*/
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params->main_aux_enable = JPEG_DISP_AUX_EN;
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params->additional_flags = JPEG_ADDITIONAL_FLAG_420MB;
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params->horizontal_decimation_factor = JPEG_HDEC_1;
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params->vertical_decimation_factor = JPEG_VDEC_1;
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params->decoding_mode = JPEG_NORMAL_DECODE;
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params->display_buffer_addr.struct_size =
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sizeof(struct jpeg_display_buffer_address_t);
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params->display_buffer_addr.display_decimated_luma_p =
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(u32)frame->paddr;
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params->display_buffer_addr.display_decimated_chroma_p =
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(u32)(frame->paddr
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+ frame->info.aligned_width * frame->info.aligned_height);
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dev_vdbg(delta->dev,
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"%s %s\n", pctx->name,
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ipc_decode_param_str(params, ctx->str, sizeof(ctx->str)));
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/* status */
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memset(status, 0, sizeof(*status));
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status->error_code = JPEG_DECODER_NO_ERROR;
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ipc_param.size = sizeof(*params);
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ipc_param.data = params;
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ipc_status.size = sizeof(*status);
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ipc_status.data = status;
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ret = delta_ipc_decode(ctx->ipc_hdl, &ipc_param, &ipc_status);
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if (ret) {
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dev_err(delta->dev,
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"%s dumping command %s\n", pctx->name,
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ipc_decode_param_str(params, ctx->str,
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sizeof(ctx->str)));
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return ret;
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}
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pctx->decoded_frames++;
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/* check firmware decoding status */
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if (delta_mjpeg_check_status(pctx, status)) {
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dev_err(delta->dev,
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"%s dumping command %s\n", pctx->name,
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ipc_decode_param_str(params, ctx->str,
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sizeof(ctx->str)));
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}
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frame->field = V4L2_FIELD_NONE;
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frame->flags = V4L2_BUF_FLAG_KEYFRAME;
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frame->state |= DELTA_FRAME_DEC;
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ctx->out_frame = frame;
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return 0;
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}
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static int delta_mjpeg_open(struct delta_ctx *pctx)
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{
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struct delta_mjpeg_ctx *ctx;
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ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
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if (!ctx)
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return -ENOMEM;
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pctx->priv = ctx;
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return 0;
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}
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static int delta_mjpeg_close(struct delta_ctx *pctx)
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{
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struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
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if (ctx->ipc_hdl) {
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delta_ipc_close(ctx->ipc_hdl);
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ctx->ipc_hdl = NULL;
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}
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kfree(ctx);
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return 0;
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}
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static int delta_mjpeg_get_streaminfo(struct delta_ctx *pctx,
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struct delta_streaminfo *streaminfo)
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{
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struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
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if (!ctx->header)
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goto nodata;
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streaminfo->streamformat = V4L2_PIX_FMT_MJPEG;
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streaminfo->width = ctx->header->frame_width;
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streaminfo->height = ctx->header->frame_height;
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/* progressive stream */
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streaminfo->field = V4L2_FIELD_NONE;
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streaminfo->dpb = 1;
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return 0;
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nodata:
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return -ENODATA;
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}
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static int delta_mjpeg_decode(struct delta_ctx *pctx, struct delta_au *pau)
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{
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struct delta_dev *delta = pctx->dev;
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struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
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int ret;
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struct delta_au au = *pau;
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unsigned int data_offset = 0;
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struct mjpeg_header *header = &ctx->header_struct;
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if (!ctx->header) {
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ret = delta_mjpeg_read_header(pctx, au.vaddr, au.size,
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header, &data_offset);
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if (ret) {
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pctx->stream_errors++;
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goto err;
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}
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if (header->frame_width * header->frame_height >
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DELTA_MJPEG_MAX_RESO) {
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dev_err(delta->dev,
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"%s stream resolution too large: %dx%d > %d pixels budget\n",
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pctx->name,
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header->frame_width,
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header->frame_height, DELTA_MJPEG_MAX_RESO);
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ret = -EINVAL;
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goto err;
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}
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ctx->header = header;
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goto out;
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}
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if (!ctx->ipc_hdl) {
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ret = delta_mjpeg_ipc_open(pctx);
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if (ret)
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goto err;
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}
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ret = delta_mjpeg_read_header(pctx, au.vaddr, au.size,
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ctx->header, &data_offset);
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if (ret) {
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pctx->stream_errors++;
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goto err;
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}
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au.paddr += data_offset;
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au.vaddr += data_offset;
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ret = delta_mjpeg_ipc_decode(pctx, &au);
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if (ret)
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goto err;
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out:
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return 0;
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err:
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return ret;
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}
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static int delta_mjpeg_get_frame(struct delta_ctx *pctx,
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struct delta_frame **frame)
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{
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struct delta_mjpeg_ctx *ctx = to_ctx(pctx);
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if (!ctx->out_frame)
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return -ENODATA;
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*frame = ctx->out_frame;
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ctx->out_frame = NULL;
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return 0;
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}
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const struct delta_dec mjpegdec = {
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.name = "MJPEG",
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.streamformat = V4L2_PIX_FMT_MJPEG,
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.pixelformat = V4L2_PIX_FMT_NV12,
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.open = delta_mjpeg_open,
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.close = delta_mjpeg_close,
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.get_streaminfo = delta_mjpeg_get_streaminfo,
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.get_frameinfo = delta_get_frameinfo_default,
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.decode = delta_mjpeg_decode,
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.get_frame = delta_mjpeg_get_frame,
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.recycle = delta_recycle_default,
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};
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