diff options
| -rw-r--r-- | drivers/staging/media/atomisp/pci/sh_css.c | 214 |
1 files changed, 2 insertions, 212 deletions
diff --git a/drivers/staging/media/atomisp/pci/sh_css.c b/drivers/staging/media/atomisp/pci/sh_css.c index c73ef67959c9..adec184c8536 100644 --- a/drivers/staging/media/atomisp/pci/sh_css.c +++ b/drivers/staging/media/atomisp/pci/sh_css.c @@ -189,27 +189,6 @@ allocate_delay_frames(struct ia_css_pipe *pipe); static int sh_css_pipe_start(struct ia_css_stream *stream); -/* ISP 2401 */ -/* - * @brief Stop all "ia_css_pipe" instances in the target - * "ia_css_stream" instance. - * - * @param[in] stream Point to the target "ia_css_stream" instance. - * - * @return - * - 0, if the "stop" requests have been successfully sent out. - * - CSS error code, otherwise. - * - * - * NOTE - * This API sends the "stop" requests to the "ia_css_pipe" - * instances in the same "ia_css_stream" instance. It will - * return without waiting for all "ia_css_pipe" instatnces - * being stopped. - */ -static int -sh_css_pipes_stop(struct ia_css_stream *stream); - /* * @brief Check if all "ia_css_pipe" instances in the target * "ia_css_stream" instance have stopped. @@ -221,9 +200,6 @@ sh_css_pipes_stop(struct ia_css_stream *stream); * instance have ben stopped. * - false, otherwise. */ -/* ISP 2401 */ -static bool -sh_css_pipes_have_stopped(struct ia_css_stream *stream); /* ISP 2401 */ static int @@ -4786,185 +4762,6 @@ ia_css_stream_get_buffer_depth(struct ia_css_stream *stream, return 0; } -/* - * @brief Stop all "ia_css_pipe" instances in the target - * "ia_css_stream" instance. - * - * Refer to "Local prototypes" for more info. - */ -/* ISP2401 */ -static int -sh_css_pipes_stop(struct ia_css_stream *stream) -{ - int err = 0; - struct ia_css_pipe *main_pipe; - enum ia_css_pipe_id main_pipe_id; - int i; - - if (!stream) { - IA_CSS_LOG("stream does NOT exist!"); - err = -EINVAL; - goto ERR; - } - - main_pipe = stream->last_pipe; - if (!main_pipe) { - IA_CSS_LOG("main_pipe does NOT exist!"); - err = -EINVAL; - goto ERR; - } - - main_pipe_id = main_pipe->mode; - IA_CSS_ENTER_PRIVATE("main_pipe_id=%d", main_pipe_id); - - /* - * Stop all "ia_css_pipe" instances in this target - * "ia_css_stream" instance. - */ - for (i = 0; i < stream->num_pipes; i++) { - /* send the "stop" request to the "ia_css_pipe" instance */ - IA_CSS_LOG("Send the stop-request to the pipe: pipe_id=%d", - stream->pipes[i]->pipeline.pipe_id); - err = ia_css_pipeline_request_stop(&stream->pipes[i]->pipeline); - - /* - * Exit this loop if "ia_css_pipeline_request_stop()" - * returns the error code. - * - * The error code would be generated in the following - * two cases: - * (1) The Scalar Processor has already been stopped. - * (2) The "Host->SP" event queue is full. - * - * As the convention of using CSS API 2.0/2.1, such CSS - * error code would be propogated from the CSS-internal - * API returned value to the CSS API returned value. Then - * the CSS driver should capture these error code and - * handle it in the driver exception handling mechanism. - */ - if (err) - goto ERR; - } - - /* - * In the CSS firmware use scenario "Continuous Preview" - * as well as "Continuous Video", the "ia_css_pipe" instance - * "Copy Pipe" is activated. This "Copy Pipe" is private to - * the CSS firmware so that it is not listed in the target - * "ia_css_stream" instance. - * - * We need to stop this "Copy Pipe", as well. - */ - if (main_pipe->stream->config.continuous) { - struct ia_css_pipe *copy_pipe = NULL; - - /* get the reference to "Copy Pipe" */ - if (main_pipe_id == IA_CSS_PIPE_ID_PREVIEW) - copy_pipe = main_pipe->pipe_settings.preview.copy_pipe; - else if (main_pipe_id == IA_CSS_PIPE_ID_VIDEO) - copy_pipe = main_pipe->pipe_settings.video.copy_pipe; - - /* return the error code if "Copy Pipe" does NOT exist */ - if (!copy_pipe) { - IA_CSS_LOG("Copy Pipe does NOT exist!"); - err = -EINVAL; - goto ERR; - } - - /* send the "stop" request to "Copy Pipe" */ - IA_CSS_LOG("Send the stop-request to the pipe: pipe_id=%d", - copy_pipe->pipeline.pipe_id); - err = ia_css_pipeline_request_stop(©_pipe->pipeline); - } - -ERR: - IA_CSS_LEAVE_ERR_PRIVATE(err); - return err; -} - -/* - * @brief Check if all "ia_css_pipe" instances in the target - * "ia_css_stream" instance have stopped. - * - * Refer to "Local prototypes" for more info. - */ -/* ISP2401 */ -static bool -sh_css_pipes_have_stopped(struct ia_css_stream *stream) -{ - bool rval = true; - - struct ia_css_pipe *main_pipe; - enum ia_css_pipe_id main_pipe_id; - - int i; - - if (!stream) { - IA_CSS_LOG("stream does NOT exist!"); - rval = false; - goto RET; - } - - main_pipe = stream->last_pipe; - - if (!main_pipe) { - IA_CSS_LOG("main_pipe does NOT exist!"); - rval = false; - goto RET; - } - - main_pipe_id = main_pipe->mode; - IA_CSS_ENTER_PRIVATE("main_pipe_id=%d", main_pipe_id); - - /* - * Check if every "ia_css_pipe" instance in this target - * "ia_css_stream" instance has stopped. - */ - for (i = 0; i < stream->num_pipes; i++) { - rval = rval && ia_css_pipeline_has_stopped(&stream->pipes[i]->pipeline); - IA_CSS_LOG("Pipe has stopped: pipe_id=%d, stopped=%d", - stream->pipes[i]->pipeline.pipe_id, - rval); - } - - /* - * In the CSS firmware use scenario "Continuous Preview" - * as well as "Continuous Video", the "ia_css_pipe" instance - * "Copy Pipe" is activated. This "Copy Pipe" is private to - * the CSS firmware so that it is not listed in the target - * "ia_css_stream" instance. - * - * We need to check if this "Copy Pipe" has stopped, as well. - */ - if (main_pipe->stream->config.continuous) { - struct ia_css_pipe *copy_pipe = NULL; - - /* get the reference to "Copy Pipe" */ - if (main_pipe_id == IA_CSS_PIPE_ID_PREVIEW) - copy_pipe = main_pipe->pipe_settings.preview.copy_pipe; - else if (main_pipe_id == IA_CSS_PIPE_ID_VIDEO) - copy_pipe = main_pipe->pipe_settings.video.copy_pipe; - - /* return if "Copy Pipe" does NOT exist */ - if (!copy_pipe) { - IA_CSS_LOG("Copy Pipe does NOT exist!"); - - rval = false; - goto RET; - } - - /* check if "Copy Pipe" has stopped or not */ - rval = rval && ia_css_pipeline_has_stopped(©_pipe->pipeline); - IA_CSS_LOG("Pipe has stopped: pipe_id=%d, stopped=%d", - copy_pipe->pipeline.pipe_id, - rval); - } - -RET: - IA_CSS_LEAVE_PRIVATE("rval=%d", rval); - return rval; -} - #if !defined(ISP2401) unsigned int sh_css_get_mipi_sizes_for_check(const unsigned int port, const unsigned int idx) @@ -9619,11 +9416,7 @@ ia_css_stream_stop(struct ia_css_stream *stream) } #endif - if (!IS_ISP2401) - err = ia_css_pipeline_request_stop(&stream->last_pipe->pipeline); - else - err = sh_css_pipes_stop(stream); - + err = ia_css_pipeline_request_stop(&stream->last_pipe->pipeline); if (err) return err; @@ -9643,10 +9436,7 @@ ia_css_stream_has_stopped(struct ia_css_stream *stream) assert(stream); - if (!IS_ISP2401) - stopped = ia_css_pipeline_has_stopped(&stream->last_pipe->pipeline); - else - stopped = sh_css_pipes_have_stopped(stream); + stopped = ia_css_pipeline_has_stopped(&stream->last_pipe->pipeline); return stopped; } |