diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/ia_css_stream_public.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/ia_css_stream_public.h | 71 |
1 files changed, 36 insertions, 35 deletions
diff --git a/drivers/staging/media/atomisp/pci/ia_css_stream_public.h b/drivers/staging/media/atomisp/pci/ia_css_stream_public.h index fe11c8bf3cdc..83846e417ae5 100644 --- a/drivers/staging/media/atomisp/pci/ia_css_stream_public.h +++ b/drivers/staging/media/atomisp/pci/ia_css_stream_public.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Support for Intel Camera Imaging ISP subsystem. * Copyright (c) 2015, Intel Corporation. @@ -171,11 +172,11 @@ void ia_css_stream_config_defaults(struct ia_css_stream_config *stream_config); * @param[in] num_pipes The number of pipes to incorporate in the stream. * @param[in] pipes The pipes. * @param[out] stream The stream. -* @return IA_CSS_SUCCESS or the error code. +* @return 0 or the error code. * * This function will create a stream with a given configuration and given pipes. */ -enum ia_css_err +int ia_css_stream_create(const struct ia_css_stream_config *stream_config, int num_pipes, struct ia_css_pipe *pipes[], @@ -183,37 +184,37 @@ ia_css_stream_create(const struct ia_css_stream_config *stream_config, /* @brief Destroys a stream * @param[in] stream The stream. - * @return IA_CSS_SUCCESS or the error code. + * @return 0 or the error code. * * This function will destroy a given stream. */ -enum ia_css_err +int ia_css_stream_destroy(struct ia_css_stream *stream); /* @brief Provides information about a stream * @param[in] stream The stream. * @param[out] stream_info The information about the stream. - * @return IA_CSS_SUCCESS or the error code. + * @return 0 or the error code. * * This function will destroy a given stream. */ -enum ia_css_err +int ia_css_stream_get_info(const struct ia_css_stream *stream, struct ia_css_stream_info *stream_info); /* @brief load (rebuild) a stream that was unloaded. * @param[in] stream The stream - * @return IA_CSS_SUCCESS or the error code + * @return 0 or the error code * * Rebuild a stream, including allocating structs, setting configuration and * building the required pipes. */ -enum ia_css_err +int ia_css_stream_load(struct ia_css_stream *stream); /* @brief Starts the stream. * @param[in] stream The stream. - * @return IA_CSS_SUCCESS or the error code. + * @return 0 or the error code. * * The dynamic data in * the buffers are not used and need to be queued with a separate call @@ -221,17 +222,17 @@ ia_css_stream_load(struct ia_css_stream *stream); * NOTE: this function will only send start event to corresponding * thread and will not start SP any more. */ -enum ia_css_err +int ia_css_stream_start(struct ia_css_stream *stream); /* @brief Stop the stream. * @param[in] stream The stream. - * @return IA_CSS_SUCCESS or the error code. + * @return 0 or the error code. * * NOTE: this function will send stop event to pipes belong to this * stream but will not terminate threads. */ -enum ia_css_err +int ia_css_stream_stop(struct ia_css_stream *stream); /* @brief Check if a stream has stopped @@ -245,11 +246,11 @@ ia_css_stream_has_stopped(struct ia_css_stream *stream); /* @brief destroy a stream according to the stream seed previosly saved in the seed array. * @param[in] stream The stream. - * @return IA_CSS_SUCCESS (no other errors are generated now) + * @return 0 (no other errors are generated now) * * Destroy the stream and all the pipes related to it. */ -enum ia_css_err +int ia_css_stream_unload(struct ia_css_stream *stream); /* @brief Returns stream format @@ -278,19 +279,19 @@ ia_css_stream_get_two_pixels_per_clock(const struct ia_css_stream *stream); * * This function will Set the output frame stride (at the last pipe) */ -enum ia_css_err +int ia_css_stream_set_output_padded_width(struct ia_css_stream *stream, unsigned int output_padded_width); /* @brief Return max number of continuous RAW frames. * @param[in] stream The stream. * @param[out] buffer_depth The maximum number of continuous RAW frames. - * @return IA_CSS_SUCCESS or IA_CSS_ERR_INVALID_ARGUMENTS + * @return 0 or -EINVAL * * This function will return the maximum number of continuous RAW frames * the system can support. */ -enum ia_css_err +int ia_css_stream_get_max_buffer_depth(struct ia_css_stream *stream, int *buffer_depth); @@ -298,22 +299,22 @@ ia_css_stream_get_max_buffer_depth(struct ia_css_stream *stream, * * @param[in] stream The stream. * @param[in] buffer_depth Number of frames to set. - * @return IA_CSS_SUCCESS or error code upon error. + * @return 0 or error code upon error. * * Set the number of continuous frames to use during continuous modes. */ -enum ia_css_err +int ia_css_stream_set_buffer_depth(struct ia_css_stream *stream, int buffer_depth); /* @brief Get number of continuous RAW frames to use. * @param[in] stream The stream. * @param[out] buffer_depth The number of frames to use - * @return IA_CSS_SUCCESS or IA_CSS_ERR_INVALID_ARGUMENTS + * @return 0 or -EINVAL * * Get the currently set number of continuous frames * to use during continuous modes. */ -enum ia_css_err +int ia_css_stream_get_buffer_depth(struct ia_css_stream *stream, int *buffer_depth); /* ===== CAPTURE ===== */ @@ -338,13 +339,13 @@ ia_css_stream_get_buffer_depth(struct ia_css_stream *stream, int *buffer_depth); * with this offset. This allows the user to * process RAW frames that were captured in the * past or future. - * @return IA_CSS_SUCCESS or error code upon error. + * @return 0 or error code upon error. * * For example, to capture the current frame plus the 2 previous * frames and 2 subsequent frames, you would call * ia_css_stream_capture(5, 0, -2). */ -enum ia_css_err +int ia_css_stream_capture(struct ia_css_stream *stream, int num_captures, unsigned int skip, @@ -355,12 +356,12 @@ ia_css_stream_capture(struct ia_css_stream *stream, * @param[in] stream The stream. * @param[in] exp_id The exposure id of the raw frame to tag. * - * @return IA_CSS_SUCCESS or error code upon error. + * @return 0 or error code upon error. * * This function allows the user to tag a raw frame based on the exposure id * found in the viewfinder frames' frame info. */ -enum ia_css_err +int ia_css_stream_capture_frame(struct ia_css_stream *stream, unsigned int exp_id); @@ -492,7 +493,7 @@ ia_css_stream_request_flash(struct ia_css_stream *stream); * @param[in] config The set of filter coefficients. * @param[in] pipe Pipe to be updated when set isp config, NULL means to * update all pipes in the stream. - * @return IA_CSS_SUCCESS or error code upon error. + * @return 0 or error code upon error. * * This function configures the filter coefficients for an image * stream. For image pipes that do not execute any ISP filters, this @@ -501,7 +502,7 @@ ia_css_stream_request_flash(struct ia_css_stream *stream); * in fact this is the expected behavior most of the time. Proper * resource locking and double buffering is in place to allow for this. */ -enum ia_css_err +int ia_css_stream_set_isp_config_on_pipe(struct ia_css_stream *stream, const struct ia_css_isp_config *config, struct ia_css_pipe *pipe); @@ -511,7 +512,7 @@ ia_css_stream_set_isp_config_on_pipe(struct ia_css_stream *stream, * ia_css_pipe_set_isp_config()} * @param[in] stream The stream. * @param[in] config The set of filter coefficients. - * @return IA_CSS_SUCCESS or error code upon error. + * @return 0 or error code upon error. * * This function configures the filter coefficients for an image * stream. For image pipes that do not execute any ISP filters, this @@ -521,7 +522,7 @@ ia_css_stream_set_isp_config_on_pipe(struct ia_css_stream *stream, * in fact this is the expected behaviour most of the time. Proper * resource locking and double buffering is in place to allow for this. */ -enum ia_css_err +int ia_css_stream_set_isp_config( struct ia_css_stream *stream, const struct ia_css_isp_config *config); @@ -537,37 +538,37 @@ ia_css_stream_get_isp_config(const struct ia_css_stream *stream, /* @brief allocate continuous raw frames for continuous capture * @param[in] stream The stream. - * @return IA_CSS_SUCCESS or error code. + * @return 0 or error code. * * because this allocation takes a long time (around 120ms per frame), * we separate the allocation part and update part to let driver call * this function without locking. This function is the allocation part * and next one is update part */ -enum ia_css_err +int ia_css_alloc_continuous_frame_remain(struct ia_css_stream *stream); /* @brief allocate continuous raw frames for continuous capture * @param[in] stream The stream. - * @return IA_CSS_SUCCESS or error code. + * @return 0 or error code. * * because this allocation takes a long time (around 120ms per frame), * we separate the allocation part and update part to let driver call * this function without locking. This function is the update part */ -enum ia_css_err +int ia_css_update_continuous_frames(struct ia_css_stream *stream); /* @brief ia_css_unlock_raw_frame . unlock a raw frame (HALv3 Support) * @param[in] stream The stream. * @param[in] exp_id exposure id that uniquely identifies the locked Raw Frame Buffer - * @return ia_css_err IA_CSS_SUCCESS or error code + * @return ia_css_err 0 or error code * * As part of HALv3 Feature requirement, SP locks raw buffer until the Application * releases its reference to a raw buffer (which are managed by SP), this function allows * application to explicitly unlock that buffer in SP. */ -enum ia_css_err +int ia_css_unlock_raw_frame(struct ia_css_stream *stream, uint32_t exp_id); /* @brief ia_css_en_dz_capt_pipe . Enable/Disable digital zoom for capture pipe |