Use the coding style for the comments at this file. While here, drop a do-nothing if logic. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> --- To mailbombing on a large number of people, only mailing lists were C/C on the cover. See [PATCH 00/23] at: https://lore.kernel.org/all/cover.1637061474.git.mchehab+huawei@xxxxxxxxxx/ drivers/staging/media/atomisp/pci/sh_css.c | 881 ++++++++++++--------- 1 file changed, 521 insertions(+), 360 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/sh_css.c b/drivers/staging/media/atomisp/pci/sh_css.c index bd3f96bd7d6d..5ee777909cce 100644 --- a/drivers/staging/media/atomisp/pci/sh_css.c +++ b/drivers/staging/media/atomisp/pci/sh_css.c @@ -62,9 +62,9 @@ #include "ia_css_mmu_private.h" /* sh_css_mmu_set_page_table_base_index() */ #include "gdc_device.h" /* HRT_GDC_N */ #include "dma.h" /* dma_set_max_burst_size() */ -#include "irq.h" /* virq */ -#include "sp.h" /* cnd_sp_irq_enable() */ -#include "isp.h" /* cnd_isp_irq_enable, ISP_VEC_NELEMS */ +#include "irq.h" /* virq */ +#include "sp.h" /* cnd_sp_irq_enable() */ +#include "isp.h" /* cnd_isp_irq_enable, ISP_VEC_NELEMS */ #include "gp_device.h" /* gp_device_reg_store() */ #define __INLINE_GPIO__ #include "gpio.h" @@ -97,8 +97,9 @@ static int thread_alive; /* Size of Refcount List */ #define REFCOUNT_SIZE 1000 -/* for JPEG, we don't know the length of the image upfront, - * but since we support sensor upto 16MP, we take this as +/* + * for JPEG, we don't know the length of the image upfront, + * but since we support sensor up to 16MP, we take this as * upper limit. */ #define JPEG_BYTES (16 * 1024 * 1024) @@ -110,9 +111,10 @@ struct sh_css my_css; int __printf(1, 0) (*sh_css_printf)(const char *fmt, va_list args) = NULL; -/* modes of work: stream_create and stream_destroy will update the save/restore data - only when in working mode, not suspend/resume -*/ +/* + * modes of work: stream_create and stream_destroy will update the save/restore + * data only when in working mode, not suspend/resume + */ enum ia_sh_css_modes { sh_css_mode_none = 0, sh_css_mode_working, @@ -120,40 +122,55 @@ enum ia_sh_css_modes { sh_css_mode_resume }; -/* a stream seed, to save and restore the stream data. - the stream seed contains all the data required to "grow" the seed again after it was closed. +/** + * struct sh_css_stream_seed - a stream seed, to save and restore the + * stream data. + * + * @orig_stream: pointer to restore the original handle + * @stream: handle, used as ID too. + * @stream_config: stream config struct + * @num_pipes: number of pipes + * @pipes: pipe handles + * @orig_pipes: pointer to restore original handle + * @pipe_config: pipe config structs + * + * the stream seed contains all the data required to "grow" the seed again + * after it was closed. */ struct sh_css_stream_seed { - struct ia_css_stream - **orig_stream; /* pointer to restore the original handle */ - struct ia_css_stream *stream; /* handle, used as ID too.*/ - struct ia_css_stream_config stream_config; /* stream config struct */ + struct ia_css_stream **orig_stream; + struct ia_css_stream *stream; + struct ia_css_stream_config stream_config; int num_pipes; - struct ia_css_pipe *pipes[IA_CSS_PIPE_ID_NUM]; /* pipe handles */ - struct ia_css_pipe - **orig_pipes[IA_CSS_PIPE_ID_NUM]; /* pointer to restore original handle */ - struct ia_css_pipe_config - pipe_config[IA_CSS_PIPE_ID_NUM]; /* pipe config structs */ + struct ia_css_pipe *pipes[IA_CSS_PIPE_ID_NUM]; + struct ia_css_pipe **orig_pipes[IA_CSS_PIPE_ID_NUM]; + struct ia_css_pipe_config pipe_config[IA_CSS_PIPE_ID_NUM]; }; #define MAX_ACTIVE_STREAMS 5 -/* A global struct for save/restore to hold all the data that should sustain power-down: - MMU base, IRQ type, env for routines, binary loaded FW and the stream seeds. -*/ +/* + * A global struct for save/restore to hold all the data that should + * sustain power-down: MMU base, IRQ type, env for routines, binary loaded FW + * and the stream seeds. + */ struct sh_css_save { enum ia_sh_css_modes mode; - u32 mmu_base; /* the last mmu_base */ + u32 mmu_base; /* the last mmu_base */ enum ia_css_irq_type irq_type; struct sh_css_stream_seed stream_seeds[MAX_ACTIVE_STREAMS]; - struct ia_css_fw *loaded_fw; /* fw struct previously loaded */ - struct ia_css_env driver_env; /* driver-supplied env copy */ + struct ia_css_fw *loaded_fw; /* fw struct previously loaded */ + struct ia_css_env driver_env; /* driver-supplied env copy */ }; static bool my_css_save_initialized; /* if my_css_save was initialized */ static struct sh_css_save my_css_save; -/* pqiao NOTICE: this is for css internal buffer recycling when stopping pipeline, - this array is temporary and will be replaced by resource manager*/ +/* + * pqiao NOTICE: this is for css internal buffer recycling when stopping + * pipeline, + * this array is temporary and will be replaced by resource manager + */ + /* Taking the biggest Size for number of Elements */ #define MAX_HMM_BUFFER_NUM \ (SH_CSS_MAX_NUM_QUEUES * (IA_CSS_NUM_ELEMS_SP2HOST_BUFFER_QUEUE + 2)) @@ -443,9 +460,10 @@ static enum ia_css_frame_format yuv422_copy_formats[] = { IA_CSS_FRAME_FORMAT_YUYV }; -/* Verify whether the selected output format is can be produced +/* + * Verify whether the selected output format is can be produced * by the copy binary given the stream format. - * */ + */ static int verify_copy_out_frame_format(struct ia_css_pipe *pipe) { @@ -682,13 +700,13 @@ static unsigned int csi2_protocol_calculate_max_subpixels_per_line( /* * The frame format layout is shown below. * - * Line 0: Pixel Pixel ... Pixel - * Line 1: Pixel Pixel ... Pixel - * Line 2: Pixel Pixel ... Pixel - * Line 3: Pixel Pixel ... Pixel + * Line 0: Pixel ... Pixel + * Line 1: Pixel ... Pixel + * Line 2: Pixel ... Pixel + * Line 3: Pixel ... Pixel * ... - * Line (n-2): Pixel Pixel ... Pixel - * Line (n-1): Pixel Pixel ... Pixel + * Line (n-2): Pixel ... Pixel + * Line (n-1): Pixel ... Pixel * * In this frame format, the even-line is * as wide as the odd-line. @@ -899,8 +917,10 @@ static bool sh_css_translate_stream_cfg_to_input_system_input_port_attr( isys_stream_descr->metadata.lines_per_frame = stream_cfg->metadata_config.resolution.height; #ifdef ISP2401 - /* For new input system, number of str2mmio requests must be even. - * So we round up number of metadata lines to be even. */ + /* + * For new input system, number of str2mmio requests must be even. + * So we round up number of metadata lines to be even. + */ if (isys_stream_descr->metadata.lines_per_frame > 0) isys_stream_descr->metadata.lines_per_frame += (isys_stream_descr->metadata.lines_per_frame & 1); @@ -1067,7 +1087,8 @@ sh_css_config_input_network(struct ia_css_stream *stream) binary = pipe->pipeline.stages->binary; if (binary) { - /* this was being done in ifmtr in 2400. + /* + * this was being done in ifmtr in 2400. * online and cont bypass the init_in_frameinfo_memory_defaults * so need to do it here */ @@ -1546,17 +1567,18 @@ ia_css_reset_defaults(struct sh_css *css) /* Reset everything to zero */ memset(&default_css, 0, sizeof(default_css)); - /* Initialize the non zero values*/ + /* Initialize the non zero values */ default_css.check_system_idle = true; default_css.num_cont_raw_frames = NUM_CONTINUOUS_FRAMES; - /* All should be 0: but memset does it already. + /* + * All should be 0: but memset does it already. * default_css.num_mipi_frames[N_CSI_PORTS] = 0; */ default_css.irq_type = IA_CSS_IRQ_TYPE_EDGE; - /*Set the defaults to the output */ + /* Set the defaults to the output */ *css = default_css; } @@ -1619,6 +1641,7 @@ ia_css_init(struct device *dev, const struct ia_css_env *env, * the SIZE_OF_XXX macro of the corresponding struct. If they are not * equal, functionality will break. */ + /* Check struct sh_css_ddr_address_map */ COMPILATION_ERROR_IF(sizeof(struct sh_css_ddr_address_map) != SIZE_OF_SH_CSS_DDR_ADDRESS_MAP_STRUCT); /* Check struct host_sp_queues */ @@ -1688,8 +1711,11 @@ ia_css_init(struct device *dev, const struct ia_css_env *env, mipi_init(); #ifndef ISP2401 - /* In case this has been programmed already, update internal - data structure ... DEPRECATED */ + /* + * In case this has been programmed already, update internal + * data structure ... + * DEPRECATED + */ my_css.page_table_base_index = mmu_get_page_table_base_index(MMU0_ID); #endif @@ -1752,12 +1778,13 @@ ia_css_init(struct device *dev, const struct ia_css_env *env, IA_CSS_LEAVE_ERR(-EBUSY); return -EBUSY; } - /* can be called here, queuing works, but: - - when sp is started later, it will wipe queued items - so for now we leave it for later and make sure - updates are not called to frequently. - sh_css_init_buffer_queues(); - */ + /* + * can be called here, queuing works, but: + * - when sp is started later, it will wipe queued items + * so for now we leave it for later and make sure + * updates are not called to frequently. + * sh_css_init_buffer_queues(); + */ #if defined(ISP2401) gp_device_reg_store(GP_DEVICE0_ID, _REG_GP_SWITCH_ISYS2401_ADDR, 1); @@ -1798,10 +1825,12 @@ sh_css_flush(struct ia_css_acc_fw *fw) my_css.flush(fw); } -/* Mapping sp threads. Currently, this is done when a stream is created and +/* + * Mapping sp threads. Currently, this is done when a stream is created and * pipelines are ready to be converted to sp pipelines. Be careful if you are * doing it from stream_create since we could run out of sp threads due to - * allocation on inactive pipelines. */ + * allocation on inactive pipelines. + */ static int map_sp_threads(struct ia_css_stream *stream, bool map) { @@ -1865,8 +1894,10 @@ map_sp_threads(struct ia_css_stream *stream, bool map) return err; } -/* creates a host pipeline skeleton for all pipes in a stream. Called during - * stream_create. */ +/* + * creates a host pipeline skeleton for all pipes in a stream. Called during + * stream_create. + */ static int create_host_pipeline_structure(struct ia_css_stream *stream) { @@ -1965,8 +1996,10 @@ create_host_pipeline_structure(struct ia_css_stream *stream) return err; } -/* creates a host pipeline for all pipes in a stream. Called during - * stream_start. */ +/* + * creates a host pipeline for all pipes in a stream. Called during + * stream_start. + */ static int create_host_pipeline(struct ia_css_stream *stream) { @@ -1986,15 +2019,25 @@ create_host_pipeline(struct ia_css_stream *stream) main_pipe = stream->last_pipe; pipe_id = main_pipe->mode; - /* No continuous frame allocation for capture pipe. It uses the - * "main" pipe's frames. */ + /* + * No continuous frame allocation for capture pipe. It uses the + * "main" pipe's frames. + */ if ((pipe_id == IA_CSS_PIPE_ID_PREVIEW) || (pipe_id == IA_CSS_PIPE_ID_VIDEO)) { - /* About pipe_id == IA_CSS_PIPE_ID_PREVIEW && stream->config.mode != IA_CSS_INPUT_MODE_MEMORY: - * The original condition pipe_id == IA_CSS_PIPE_ID_PREVIEW is too strong. E.g. in SkyCam (with memory - * based input frames) there is no continuous mode and thus no need for allocated continuous frames - * This is not only for SkyCam but for all preview cases that use DDR based input frames. For this - * reason the stream->config.mode != IA_CSS_INPUT_MODE_MEMORY has beed added. + /* + * About + * pipe_id == IA_CSS_PIPE_ID_PREVIEW && + * stream->config.mode != IA_CSS_INPUT_MODE_MEMORY: + * + * The original condition pipe_id == IA_CSS_PIPE_ID_PREVIEW is + * too strong. E.g. in SkyCam (with memory based input frames) + * there is no continuous mode and thus no need for allocated + * continuous frames. + * This is not only for SkyCam but for all preview cases that + * use DDR based input frames. For this reason the + * stream->config.mode != IA_CSS_INPUT_MODE_MEMORY has beed + * added. */ if (stream->config.continuous || (pipe_id == IA_CSS_PIPE_ID_PREVIEW && @@ -2204,7 +2247,7 @@ pipe_generate_pipe_num(const struct ia_css_pipe *pipe, /* Assign a new pipe_num .... search for empty place */ for (i = 0; i < IA_CSS_PIPELINE_NUM_MAX; i++) { if (!my_css.all_pipes[i]) { - /*position is reserved */ + /* position is reserved */ my_css.all_pipes[i] = (struct ia_css_pipe *)pipe; pipe_num = i; break; @@ -2321,8 +2364,10 @@ ia_css_pipe_destroy(struct ia_css_pipe *pipe) switch (pipe->config.mode) { case IA_CSS_PIPE_MODE_PREVIEW: - /* need to take into account that this function is also called - on the internal copy pipe */ + /* + * need to take into account that this function is also called + * on the internal copy pipe + */ if (pipe->mode == IA_CSS_PIPE_ID_PREVIEW) { ia_css_frame_free_multiple(NUM_CONTINUOUS_FRAMES, pipe->continuous_frames); @@ -2454,8 +2499,10 @@ int ia_css_irq_translate( switch (irq) { case virq_sp: - /* When SP goes to idle, info is available in the - * event queue. */ + /* + * When SP goes to idle, info is available in the + * event queue. + */ infos |= IA_CSS_IRQ_INFO_EVENTS_READY; break; case virq_isp: @@ -2563,8 +2610,10 @@ sh_css_get_sw_interrupt_value(unsigned int irq) return irq_value; } -/* configure and load the copy binary, the next binary is used to - determine whether the copy binary needs to do left padding. */ +/* + * configure and load the copy binary, the next binary is used to + * determine whether the copy binary needs to do left padding. + */ static int load_copy_binary( struct ia_css_pipe *pipe, struct ia_css_binary *copy_binary, @@ -2761,7 +2810,8 @@ load_preview_binaries(struct ia_css_pipe *pipe) if (err) return err; - /* Note: the current selection of vf_pp binary and + /* + * Note: the current selection of vf_pp binary and * parameterization of the preview binary contains a few pieces * of hardcoded knowledge. This needs to be cleaned up such that * the binary selection becomes more generic. @@ -2774,7 +2824,7 @@ load_preview_binaries(struct ia_css_pipe *pipe) * The decision if the vf_pp binary is needed for YUV downscaling is * made after the preview binary selection, since some preview binaries * can perform the requested YUV downscaling. - * */ + */ need_vf_pp = pipe->config.enable_dz; need_vf_pp |= pipe_out_info->format != IA_CSS_FRAME_FORMAT_YUV_LINE && !(pipe_out_info->format == IA_CSS_FRAME_FORMAT_NV12 || @@ -2786,11 +2836,12 @@ load_preview_binaries(struct ia_css_pipe *pipe) prev_vf_info = pipe->vf_yuv_ds_input_info; else prev_vf_info = *pipe_out_info; - /* If vf_pp is needed, then preview must output yuv_line. + /* + * If vf_pp is needed, then preview must output yuv_line. * The exception is when vf_pp is manually disabled, that is only * used in combination with a pipeline extension that requires * yuv_line as input. - * */ + */ if (need_vf_pp) ia_css_frame_info_set_format(&prev_vf_info, IA_CSS_FRAME_FORMAT_YUV_LINE); @@ -2823,7 +2874,8 @@ load_preview_binaries(struct ia_css_pipe *pipe) need_vf_pp |= mycs->preview_binary.out_frame_info[0].res.width != pipe_out_info->res.width; need_vf_pp |= mycs->preview_binary.out_frame_info[0].res.height != pipe_out_info->res.height; - /* When vf_pp is needed, then the output format of the selected + /* + * When vf_pp is needed, then the output format of the selected * preview binary must be yuv_line. If this is not the case, * then the preview binary selection is done again. */ @@ -2867,12 +2919,14 @@ load_preview_binaries(struct ia_css_pipe *pipe) } #ifdef ISP2401 - /* When the input system is 2401, only the Direct Sensor Mode + /* + * When the input system is 2401, only the Direct Sensor Mode * Offline Preview uses the ISP copy binary. */ need_isp_copy_binary = !online && sensor; #else - /* About pipe->stream->config.mode == IA_CSS_INPUT_MODE_MEMORY: + /* + * About pipe->stream->config.mode == IA_CSS_INPUT_MODE_MEMORY: * This is typical the case with SkyCam (which has no input system) but it also applies to all cases * where the driver chooses for memory based input frames. In these cases, a copy binary (which typical * copies sensor data to DDR) does not have much use. @@ -3226,8 +3280,10 @@ get_crop_columns_for_bayer_order(const struct ia_css_stream_config *config) return 0; } -/* This function is to get the sum of all extra pixels in addition to the effective - * input, it includes dvs envelop and filter run-in */ +/* + * This function is to get the sum of all extra pixels in addition to the effective + * input, it includes dvs envelop and filter run-in + */ static void get_pipe_extra_pixel(struct ia_css_pipe *pipe, unsigned int *extra_row, unsigned int *extra_column) { @@ -3236,7 +3292,8 @@ static void get_pipe_extra_pixel(struct ia_css_pipe *pipe, unsigned int i; struct ia_css_resolution dvs_env = pipe->config.dvs_envelope; - /* The dvs envelope info may not be correctly sent down via pipe config + /* + * The dvs envelope info may not be correctly sent down via pipe config * The check is made and the correct value is populated in the binary info * Use this value when computing crop, else excess lines may get trimmed */ @@ -3330,7 +3387,8 @@ ia_css_get_crop_offsets( * 2. Require the special support for the online use cases. */ - /* ISP expects GRBG bayer order, we skip one line and/or one row + /* + * ISP expects GRBG bayer order, we skip one line and/or one row * to correct in case the input bayer order is different. */ column += get_crop_columns_for_bayer_order(&pipe->stream->config); @@ -3448,7 +3506,8 @@ static int create_host_video_pipeline(struct ia_css_pipe *pipe) me->dvs_frame_delay = pipe->dvs_frame_delay; #ifdef ISP2401 - /* When the input system is 2401, always enable 'in_frameinfo_memory' + /* + * When the input system is 2401, always enable 'in_frameinfo_memory' * except for the following: online or continuous */ need_in_frameinfo_memory = !(pipe->stream->config.online || @@ -3504,7 +3563,8 @@ static int create_host_video_pipeline(struct ia_css_pipe *pipe) in_frame = me->stages->args.out_frame[0]; } else if (pipe->stream->config.continuous) { #ifdef ISP2401 - /* When continuous is enabled, configure in_frame with the + /* + * When continuous is enabled, configure in_frame with the * last pipe, which is the copy pipe. */ in_frame = pipe->stream->last_pipe->continuous_frames[0]; @@ -3516,8 +3576,10 @@ static int create_host_video_pipeline(struct ia_css_pipe *pipe) ia_css_pipe_util_set_output_frames(out_frames, 0, need_yuv_pp ? NULL : out_frame); - /* when the video binary supports a second output pin, - it can directly produce the vf_frame. */ + /* + * when the video binary supports a second output pin, + * it can directly produce the vf_frame. + */ if (need_vf_pp) { ia_css_pipe_get_generic_stage_desc(&stage_desc, video_binary, out_frames, in_frame, NULL); @@ -3689,7 +3751,8 @@ create_host_preview_pipeline(struct ia_css_pipe *pipe) ia_css_pipeline_clean(me); #ifdef ISP2401 - /* When the input system is 2401, always enable 'in_frameinfo_memory' + /* + * When the input system is 2401, always enable 'in_frameinfo_memory' * except for the following: * - Direct Sensor Mode Online Preview * - Buffered Sensor Mode Online Preview @@ -3738,7 +3801,8 @@ create_host_preview_pipeline(struct ia_css_pipe *pipe) in_frame = me->stages->args.out_frame[0]; } else if (pipe->stream->config.continuous) { #ifdef ISP2401 - /* When continuous is enabled, configure in_frame with the + /* + * When continuous is enabled, configure in_frame with the * last pipe, which is the copy pipe. */ if (continuous || !online) @@ -3877,8 +3941,10 @@ preview_start(struct ia_css_pipe *pipe) coord, params); - /* make the preview pipe start with mem mode input, copy handles - the actual mode */ + /* + * make the preview pipe start with mem mode input, copy handles + * the actual mode + */ preview_pipe_input_mode = IA_CSS_INPUT_MODE_MEMORY; } @@ -4096,8 +4162,10 @@ ia_css_pipe_enqueue_buffer(struct ia_css_pipe *pipe, } for (stage = pipeline->stages; stage; stage = stage->next) { - /* The SP will read the params - after it got empty 3a and dis */ + /* + * The SP will read the params after it got + * empty 3a and dis + */ if (STATS_ENABLED(stage)) { /* there is a stage that needs it */ return_err = ia_css_bufq_enqueue_buffer(thread_id, @@ -4163,7 +4231,7 @@ ia_css_pipe_enqueue_buffer(struct ia_css_pipe *pipe, /* * TODO: Free up the hmm memory space. - */ + */ int ia_css_pipe_dequeue_buffer(struct ia_css_pipe *pipe, struct ia_css_buffer *buffer) @@ -4230,7 +4298,8 @@ ia_css_pipe_dequeue_buffer(struct ia_css_pipe *pipe, hmm_buffer_record = sh_css_hmm_buffer_record_validate( ddr_buffer_addr, buf_type); if (hmm_buffer_record) { - /* valid hmm_buffer_record found. Save the kernel_ptr + /* + * valid hmm_buffer_record found. Save the kernel_ptr * for validation after performing hmm_load. The * vbuf handle and buffer_record can be released. */ @@ -4248,7 +4317,8 @@ ia_css_pipe_dequeue_buffer(struct ia_css_pipe *pipe, &ddr_buffer, sizeof(struct sh_css_hmm_buffer)); - /* if the kernel_ptr is 0 or an invalid, return an error. + /* + * if the kernel_ptr is 0 or an invalid, return an error. * do not access the buffer via the kernal_ptr. */ if ((ddr_buffer.kernel_ptr == 0) || @@ -4262,8 +4332,11 @@ ia_css_pipe_dequeue_buffer(struct ia_css_pipe *pipe, } if (ddr_buffer.kernel_ptr != 0) { - /* buffer->exp_id : all instances to be removed later once the driver change - * is completed. See patch #5758 for reference */ + /* + * buffer->exp_id : all instances to be removed later + * once the driver change is completed. See patch #5758 + * for reference + */ buffer->exp_id = 0; buffer->driver_cookie = ddr_buffer.cookie_ptr; buffer->timing_data = ddr_buffer.timing_data; @@ -4279,8 +4352,10 @@ ia_css_pipe_dequeue_buffer(struct ia_css_pipe *pipe, case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME: if (pipe && pipe->stop_requested) { #if !defined(ISP2401) - /* free mipi frames only for old input system - * for 2401 it is done in ia_css_stream_destroy call + /* + * free mipi frames only for old input + * system for 2401 it is done in + * ia_css_stream_destroy call */ return_err = free_mipi_frames(pipe); if (return_err) { @@ -4391,22 +4466,22 @@ ia_css_pipe_dequeue_buffer(struct ia_css_pipe *pipe, * 4) "enum ia_css_event_type convert_event_sp_to_host_domain" (sh_css.c) */ static enum ia_css_event_type convert_event_sp_to_host_domain[] = { - IA_CSS_EVENT_TYPE_OUTPUT_FRAME_DONE, /** Output frame ready. */ - IA_CSS_EVENT_TYPE_SECOND_OUTPUT_FRAME_DONE, /** Second output frame ready. */ - IA_CSS_EVENT_TYPE_VF_OUTPUT_FRAME_DONE, /** Viewfinder Output frame ready. */ - IA_CSS_EVENT_TYPE_SECOND_VF_OUTPUT_FRAME_DONE, /** Second viewfinder Output frame ready. */ - IA_CSS_EVENT_TYPE_3A_STATISTICS_DONE, /** Indication that 3A statistics are available. */ - IA_CSS_EVENT_TYPE_DIS_STATISTICS_DONE, /** Indication that DIS statistics are available. */ - IA_CSS_EVENT_TYPE_PIPELINE_DONE, /** Pipeline Done event, sent after last pipeline stage. */ - IA_CSS_EVENT_TYPE_FRAME_TAGGED, /** Frame tagged. */ - IA_CSS_EVENT_TYPE_INPUT_FRAME_DONE, /** Input frame ready. */ - IA_CSS_EVENT_TYPE_METADATA_DONE, /** Metadata ready. */ - IA_CSS_EVENT_TYPE_LACE_STATISTICS_DONE, /** Indication that LACE statistics are available. */ - IA_CSS_EVENT_TYPE_ACC_STAGE_COMPLETE, /** Extension stage executed. */ - IA_CSS_EVENT_TYPE_TIMER, /** Timing measurement data. */ - IA_CSS_EVENT_TYPE_PORT_EOF, /** End Of Frame event, sent when in buffered sensor mode. */ - IA_CSS_EVENT_TYPE_FW_WARNING, /** Performance warning encountered by FW */ - IA_CSS_EVENT_TYPE_FW_ASSERT, /** Assertion hit by FW */ + IA_CSS_EVENT_TYPE_OUTPUT_FRAME_DONE, /* Output frame ready. */ + IA_CSS_EVENT_TYPE_SECOND_OUTPUT_FRAME_DONE, /* Second output frame ready. */ + IA_CSS_EVENT_TYPE_VF_OUTPUT_FRAME_DONE, /* Viewfinder Output frame ready. */ + IA_CSS_EVENT_TYPE_SECOND_VF_OUTPUT_FRAME_DONE, /* Second viewfinder Output frame ready. */ + IA_CSS_EVENT_TYPE_3A_STATISTICS_DONE, /* Indication that 3A statistics are available. */ + IA_CSS_EVENT_TYPE_DIS_STATISTICS_DONE, /* Indication that DIS statistics are available. */ + IA_CSS_EVENT_TYPE_PIPELINE_DONE, /* Pipeline Done event, sent after last pipeline stage. */ + IA_CSS_EVENT_TYPE_FRAME_TAGGED, /* Frame tagged. */ + IA_CSS_EVENT_TYPE_INPUT_FRAME_DONE, /* Input frame ready. */ + IA_CSS_EVENT_TYPE_METADATA_DONE, /* Metadata ready. */ + IA_CSS_EVENT_TYPE_LACE_STATISTICS_DONE, /* Indication that LACE statistics are available. */ + IA_CSS_EVENT_TYPE_ACC_STAGE_COMPLETE, /* Extension stage executed. */ + IA_CSS_EVENT_TYPE_TIMER, /* Timing measurement data. */ + IA_CSS_EVENT_TYPE_PORT_EOF, /* End Of Frame event, sent when in buffered sensor mode. */ + IA_CSS_EVENT_TYPE_FW_WARNING, /* Performance warning encountered by FW */ + IA_CSS_EVENT_TYPE_FW_ASSERT, /* Assertion hit by FW */ 0, /* error if sp passes SH_CSS_SP_EVENT_NR_OF_TYPES as a valid event. */ }; @@ -4417,13 +4492,15 @@ ia_css_dequeue_psys_event(struct ia_css_event *event) u8 payload[4] = {0, 0, 0, 0}; int ret_err; - /*TODO: + /* + * TODO: * a) use generic decoding function , same as the one used by sp. * b) group decode and dequeue into eventQueue module * * We skip the IA_CSS_ENTER logging call * to avoid flooding the logs when the host application - * uses polling. */ + * uses polling. + */ if (!event) return -EINVAL; @@ -4442,9 +4519,11 @@ ia_css_dequeue_psys_event(struct ia_css_event *event) ia_css_bufq_enqueue_psys_event( IA_CSS_PSYS_SW_EVENT_EVENT_DEQUEUED, 0, 0, 0); - /* Events are decoded into 4 bytes of payload, the first byte + /* + * Events are decoded into 4 bytes of payload, the first byte * contains the sp event type. This is converted to a host enum. - * TODO: can this enum conversion be eliminated */ + * TODO: can this enum conversion be eliminated + */ event->type = convert_event_sp_to_host_domain[payload[0]]; /* Some sane default values since not all events use all fields. */ event->pipe = NULL; @@ -4457,7 +4536,10 @@ ia_css_dequeue_psys_event(struct ia_css_event *event) event->timer_subcode = 0; if (event->type == IA_CSS_EVENT_TYPE_TIMER) { - /* timer event ??? get the 2nd event and decode the data into the event struct */ + /* + * timer event ??? get the 2nd event and decode the data + * into the event struct + */ u32 tmp_data; /* 1st event: LSB 16-bit timer data and code */ event->timer_data = ((payload[1] & 0xFF) | ((payload[3] & 0xFF) << 8)); @@ -4466,8 +4548,10 @@ ia_css_dequeue_psys_event(struct ia_css_event *event) ret_err = ia_css_bufq_dequeue_psys_event(payload); if (ret_err) { /* no 2nd event ??? an error */ - /* Putting IA_CSS_ERROR is resulting in failures in - * Merrifield smoke testing */ + /* + * Putting IA_CSS_ERROR is resulting in failures in + * Merrifield smoke testing + */ IA_CSS_WARNING("Timer: Error de-queuing the 2nd TIMER event!!!\n"); return ret_err; } @@ -4481,11 +4565,15 @@ ia_css_dequeue_psys_event(struct ia_css_event *event) event->timer_data |= (tmp_data << 16); event->timer_subcode = payload[2]; } else { - /* It's a non timer event. So clear first half of the timer event data. - * If the second part of the TIMER event is not received, we discard - * the first half of the timer data and process the non timer event without - * affecting the flow. So the non timer event falls through - * the code. */ + /* + * It's a non timer event. So clear first half of the + * timer event data. + * If the second part of the TIMER event is not + * received, we discard the first half of the timer + * data and process the non timer event without + * affecting the flow. So the non timer event falls + * through the code. + */ event->timer_data = 0; event->timer_code = 0; event->timer_subcode = 0; @@ -4506,9 +4594,11 @@ ia_css_dequeue_psys_event(struct ia_css_event *event) event->fw_assert_line_no = (payload[2] << 8) + payload[3]; /* payload[2] is line_no>>8, payload[3] is line_no&0xff */ } else if (event->type != IA_CSS_EVENT_TYPE_TIMER) { - /* pipe related events. + /* + * pipe related events. * payload[1] contains the pipe_num, - * payload[2] contains the pipe_id. These are different. */ + * payload[2] contains the pipe_id. These are different. + */ event->pipe = find_pipe_by_num(payload[1]); pipe_id = (enum ia_css_pipe_id)payload[2]; /* Check to see if pipe still exists */ @@ -4560,9 +4650,11 @@ ia_css_dequeue_isys_event(struct ia_css_event *event) u8 payload[4] = {0, 0, 0, 0}; int err = 0; - /* We skip the IA_CSS_ENTER logging call + /* + * We skip the IA_CSS_ENTER logging call * to avoid flooding the logs when the host application - * uses polling. */ + * uses polling. + */ if (!event) return -EINVAL; @@ -4686,7 +4778,8 @@ sh_css_pipe_start(struct ia_css_stream *stream) return err; } - /* Force ISP parameter calculation after a mode change + /* + * Force ISP parameter calculation after a mode change * Acceleration API examples pass NULL for stream but they * don't use ISP parameters anyway. So this should be okay. * The SP binary (jpeg) copy does not use any parameters. @@ -5103,11 +5196,13 @@ sh_css_pipe_get_shading_info(struct ia_css_pipe *pipe, (const struct ia_css_stream_config *)&pipe->stream->config, shading_info, pipe_config); - /* Other function calls can be added here when other shading correction types will be added - * in the future. + /* + * Other function calls can be added here when other shading + * correction types will be added in the future. */ } else { - /* When the pipe does not have a binary which has the shading + /* + * When the pipe does not have a binary which has the shading * correction, this function does not need to fill the shading * information. It is not a error case, and then * this function should return 0. @@ -5220,7 +5315,8 @@ static int load_video_binaries(struct ia_css_pipe *pipe) IA_CSS_ENTER_PRIVATE(""); assert(pipe); assert(pipe->mode == IA_CSS_PIPE_ID_VIDEO); - /* we only test the video_binary because offline video doesn't need a + /* + * we only test the video_binary because offline video doesn't need a * vf_pp binary and online does not (always use) the copy_binary. * All are always reset at the same time anyway. */ @@ -5333,7 +5429,8 @@ static int load_video_binaries(struct ia_css_pipe *pipe) if (err) return err; - /* In the case where video_vf_info is not NULL, this allows + /* + * In the case where video_vf_info is not NULL, this allows * us to find a potential video library with desired vf format. * If success, no vf_pp binary is needed. * If failed, we will look up video binary with YUV_LINE vf format @@ -5348,17 +5445,23 @@ static int load_video_binaries(struct ia_css_pipe *pipe) else return err; } else if (video_vf_info) { - /* The first video binary lookup is successful, but we may - * still need vf_pp binary based on additiona check */ + /* + * The first video binary lookup is successful, but we + * may still need vf_pp binary based on additional check + */ num_output_pins = mycs->video_binary.info->num_output_pins; vf_ds_log2 = mycs->video_binary.vf_downscale_log2; - /* If the binary has dual output pins, we need vf_pp if the resolution - * is different. */ + /* + * If the binary has dual output pins, we need vf_pp + * if the resolution is different. + */ need_vf_pp |= ((num_output_pins == 2) && vf_res_different_than_output); - /* If the binary has single output pin, we need vf_pp if additional - * scaling is needed for vf */ + /* + * If the binary has single output pin, we need vf_pp + * if additional scaling is needed for vf + */ need_vf_pp |= ((num_output_pins == 1) && ((video_vf_info->res.width << vf_ds_log2 != pipe_out_info->res.width) || (video_vf_info->res.height << vf_ds_log2 != pipe_out_info->res.height))); @@ -5388,19 +5491,25 @@ static int load_video_binaries(struct ia_css_pipe *pipe) } } - /* If a video binary does not use a ref_frame, we set the frame delay - * to 0. This is the case for the 1-stage low-power video binary. */ + /* + * If a video binary does not use a ref_frame, we set the frame delay + * to 0. This is the case for the 1-stage low-power video binary. + */ if (!mycs->video_binary.info->sp.enable.ref_frame) pipe->dvs_frame_delay = 0; - /* The delay latency determines the number of invalid frames after - * a stream is started. */ + /* + * The delay latency determines the number of invalid frames after + * a stream is started. + */ pipe->num_invalid_frames = pipe->dvs_frame_delay; pipe->info.num_invalid_frames = pipe->num_invalid_frames; - /* Viewfinder frames also decrement num_invalid_frames. If the pipe + /* + * Viewfinder frames also decrement num_invalid_frames. If the pipe * outputs a viewfinder output, then we need double the number of - * invalid frames */ + * invalid frames + */ if (video_vf_info) pipe->num_invalid_frames *= 2; @@ -5412,7 +5521,8 @@ static int load_video_binaries(struct ia_css_pipe *pipe) #if !defined(ISP2401) /* Copy */ if (!online && !continuous) { - /* TODO: what exactly needs doing, prepend the copy binary to + /* + * TODO: what exactly needs doing, prepend the copy binary to * video base this only on !online? */ err = load_copy_binary(pipe, @@ -5435,8 +5545,11 @@ static int load_video_binaries(struct ia_css_pipe *pipe) &mycs->video_binary.vf_frame_info, pipe_vf_out_info); } else { - /* output from main binary is not yuv line. currently this is - * possible only when bci is enabled on vfpp output */ + /* + * output from main binary is not yuv line. currently + * this is possible only when bci is enabled on vfpp + * output + */ assert(pipe->config.enable_vfpp_bci); ia_css_pipe_get_yuvscaler_binarydesc(pipe, &vf_pp_descr, &mycs->video_binary.vf_frame_info, @@ -5598,8 +5711,10 @@ static int video_start(struct ia_css_pipe *pipe) coord, params); - /* make the video pipe start with mem mode input, copy handles - the actual mode */ + /* + * make the video pipe start with mem mode input, copy handles + * the actual mode + */ video_pipe_input_mode = IA_CSS_INPUT_MODE_MEMORY; } @@ -5857,9 +5972,11 @@ static int load_primary_binaries( } need_pp = need_capture_pp(pipe); - /* we use the vf output info to get the primary/capture_pp binary - configured for vf_veceven. It will select the closest downscaling - factor. */ + /* + * we use the vf output info to get the primary/capture_pp binary + * configured for vf_veceven. It will select the closest downscaling + * factor. + */ vf_info = *pipe_vf_out_info; /* @@ -5871,13 +5988,15 @@ static int load_primary_binaries( * required. This should not be considered as a clean solution. * Proper investigation should be done to come up with the clean * solution. - * */ + */ ia_css_frame_info_set_format(&vf_info, IA_CSS_FRAME_FORMAT_YUV_LINE); - /* TODO: All this yuv_scaler and capturepp calculation logic + /* + * TODO: All this yuv_scaler and capturepp calculation logic * can be shared later. Capture_pp is also a yuv_scale binary * with extra XNR funcionality. Therefore, it can be made as the - * first step of the cascade. */ + * first step of the cascade. + */ capt_pp_out_info = pipe->out_yuv_ds_input_info; capt_pp_out_info.format = IA_CSS_FRAME_FORMAT_YUV420; capt_pp_out_info.res.width /= MAX_PREFERRED_YUV_DS_PER_STEP; @@ -6023,15 +6142,15 @@ static int load_primary_binaries( vf_pp_in_info = &mycs->primary_binary[mycs->num_primary_stage - 1].vf_frame_info; /* - * WARNING: The #if def flag has been added below as a - * temporary solution to solve the problem of enabling the - * view finder in a single binary in a capture flow. The - * vf-pp stage has been removed for Skycam in the solution - * provided. The vf-pp stage should be re-introduced when - * required. Thisshould not be considered as a clean solution. - * Proper * investigation should be done to come up with the clean - * solution. - * */ + * WARNING: The #if def flag has been added below as a + * temporary solution to solve the problem of enabling the + * view finder in a single binary in a capture flow. The + * vf-pp stage has been removed for Skycam in the solution + * provided. The vf-pp stage should be re-introduced when + * required. Thisshould not be considered as a clean solution. + * Proper * investigation should be done to come up with the clean + * solution. + */ if (pipe->enable_viewfinder[IA_CSS_PIPE_OUTPUT_STAGE_0]) { struct ia_css_binary_descr vf_pp_descr; @@ -6049,9 +6168,10 @@ static int load_primary_binaries( return err; #ifdef ISP2401 - /* When the input system is 2401, only the Direct Sensor Mode - * Offline Capture uses the ISP copy binary. - */ + /* + * When the input system is 2401, only the Direct Sensor Mode + * Offline Capture uses the ISP copy binary. + */ need_isp_copy_binary = !online && sensor; #else need_isp_copy_binary = !online && !continuous && !memory; @@ -6105,17 +6225,19 @@ allocate_delay_frames(struct ia_css_pipe *pipe) struct ia_css_video_settings *mycs_video = &pipe->pipe_settings.video; ref_info = mycs_video->video_binary.internal_frame_info; - /*The ref frame expects - * 1. Y plane - * 2. UV plane with line interleaving, like below - * UUUUUU(width/2 times) VVVVVVVV..(width/2 times) - * - * This format is not YUV420(which has Y, U and V planes). - * Its closer to NV12, except that the UV plane has UV - * interleaving, like UVUVUVUVUVUVUVUVU... - * - * TODO: make this ref_frame format as a separate frame format - */ + + /* + * The ref frame expects + * 1. Y plane + * 2. UV plane with line interleaving, like below + * UUUUUU(width/2 times) VVVVVVVV..(width/2 times) + * + * This format is not YUV420(which has Y, U and V planes). + * Its closer to NV12, except that the UV plane has UV + * interleaving, like UVUVUVUVUVUVUVUVU... + * + * TODO: make this ref_frame format as a separate frame format + */ ref_info.format = IA_CSS_FRAME_FORMAT_NV12; delay_frames = mycs_video->delay_frames; } @@ -6124,17 +6246,19 @@ allocate_delay_frames(struct ia_css_pipe *pipe) struct ia_css_preview_settings *mycs_preview = &pipe->pipe_settings.preview; ref_info = mycs_preview->preview_binary.internal_frame_info; - /*The ref frame expects - * 1. Y plane - * 2. UV plane with line interleaving, like below - * UUUUUU(width/2 times) VVVVVVVV..(width/2 times) - * - * This format is not YUV420(which has Y, U and V planes). - * Its closer to NV12, except that the UV plane has UV - * interleaving, like UVUVUVUVUVUVUVUVU... - * - * TODO: make this ref_frame format as a separate frame format - */ + + /* + * The ref frame expects + * 1. Y plane + * 2. UV plane with line interleaving, like below + * UUUUUU(width/2 times) VVVVVVVV..(width/2 times) + * + * This format is not YUV420(which has Y, U and V planes). + * Its closer to NV12, except that the UV plane has UV + * interleaving, like UVUVUVUVUVUVUVUVU... + * + * TODO: make this ref_frame format as a separate frame format + */ ref_info.format = IA_CSS_FRAME_FORMAT_NV12; delay_frames = mycs_preview->delay_frames; } @@ -6591,9 +6715,11 @@ need_yuv_scaler_stage(const struct ia_css_pipe *pipe) return false; } -/* TODO: it is temporarily created from ia_css_pipe_create_cas_scaler_desc */ -/* which has some hard-coded knowledge which prevents reuse of the function. */ -/* Later, merge this with ia_css_pipe_create_cas_scaler_desc */ +/* + * TODO: it is temporarily created from ia_css_pipe_create_cas_scaler_desc + * which has some hard-coded knowledge which prevents reuse of the function. + * Later, merge this with ia_css_pipe_create_cas_scaler_desc + */ static int ia_css_pipe_create_cas_scaler_desc_single_output( struct ia_css_frame_info *cas_scaler_in_info, struct ia_css_frame_info *cas_scaler_out_info, @@ -6990,22 +7116,22 @@ load_yuvpp_binaries(struct ia_css_pipe *pipe) #if defined(ISP2401) /* - * NOTES - * - Why does the "yuvpp" pipe needs "isp_copy_binary" (i.e. ISP Copy) when - * its input is "ATOMISP_INPUT_FORMAT_YUV422_8"? - * - * In most use cases, the first stage in the "yuvpp" pipe is the "yuv_scale_ - * binary". However, the "yuv_scale_binary" does NOT support the input-frame - * format as "IA_CSS_STREAM _FORMAT_YUV422_8". - * - * Hence, the "isp_copy_binary" is required to be present in front of the "yuv - * _scale_binary". It would translate the input-frame to the frame formats that - * are supported by the "yuv_scale_binary". - * - * Please refer to "FrameWork/css/isp/pipes/capture_pp/capture_pp_1.0/capture_ - * pp_defs.h" for the list of input-frame formats that are supported by the - * "yuv_scale_binary". - */ + * NOTES + * - Why does the "yuvpp" pipe needs "isp_copy_binary" (i.e. ISP Copy) when + * its input is "ATOMISP_INPUT_FORMAT_YUV422_8"? + * + * In most use cases, the first stage in the "yuvpp" pipe is the "yuv_scale_ + * binary". However, the "yuv_scale_binary" does NOT support the input-frame + * format as "IA_CSS_STREAM _FORMAT_YUV422_8". + * + * Hence, the "isp_copy_binary" is required to be present in front of the "yuv + * _scale_binary". It would translate the input-frame to the frame formats that + * are supported by the "yuv_scale_binary". + * + * Please refer to "FrameWork/css/isp/pipes/capture_pp/capture_pp_1.0/capture_ + * pp_defs.h" for the list of input-frame formats that are supported by the + * "yuv_scale_binary". + */ need_isp_copy_binary = (pipe->stream->config.input_config.format == ATOMISP_INPUT_FORMAT_YUV422_8); #else /* !ISP2401 */ @@ -7021,23 +7147,23 @@ load_yuvpp_binaries(struct ia_css_pipe *pipe) goto ERR; /* - * NOTES - * - Why is "pipe->pipe_settings.capture.copy_binary.online" specified? - * - * In some use cases, the first stage in the "yuvpp" pipe is the - * "isp_copy_binary". The "isp_copy_binary" is designed to process - * the input from either the system DDR or from the IPU internal VMEM. - * So it provides the flag "online" to specify where its input is from, - * i.e.: - * - * (1) "online <= true", the input is from the IPU internal VMEM. - * (2) "online <= false", the input is from the system DDR. - * - * In other use cases, the first stage in the "yuvpp" pipe is the - * "yuv_scale_binary". "The "yuv_scale_binary" is designed to process the - * input ONLY from the system DDR. So it does not provide the flag "online" - * to specify where its input is from. - */ + * NOTES + * - Why is "pipe->pipe_settings.capture.copy_binary.online" specified? + * + * In some use cases, the first stage in the "yuvpp" pipe is the + * "isp_copy_binary". The "isp_copy_binary" is designed to process + * the input from either the system DDR or from the IPU internal VMEM. + * So it provides the flag "online" to specify where its input is from, + * i.e.: + * + * (1) "online <= true", the input is from the IPU internal VMEM. + * (2) "online <= false", the input is from the system DDR. + * + * In other use cases, the first stage in the "yuvpp" pipe is the + * "yuv_scale_binary". "The "yuv_scale_binary" is designed to process the + * input ONLY from the system DDR. So it does not provide the flag "online" + * to specify where its input is from. + */ pipe->pipe_settings.capture.copy_binary.online = pipe->stream->config.online; } @@ -7230,8 +7356,11 @@ sh_css_pipe_load_binaries(struct ia_css_pipe *pipe) } if (err) { if (sh_css_pipe_unload_binaries(pipe)) { - /* currently css does not support multiple error returns in a single function, - * using -EINVAL in this case */ + /* + * currently css does not support multiple error + * returns in a single function, using -EINVAL in + * this case + */ err = -EINVAL; } } @@ -7282,12 +7411,13 @@ create_host_yuvpp_pipeline(struct ia_css_pipe *pipe) num_output_stage = pipe->pipe_settings.yuvpp.num_output; #ifdef ISP2401 - /* When the input system is 2401, always enable 'in_frameinfo_memory' - * except for the following: - * - Direct Sensor Mode Online Capture - * - Direct Sensor Mode Continuous Capture - * - Buffered Sensor Mode Continuous Capture - */ + /* + * When the input system is 2401, always enable 'in_frameinfo_memory' + * except for the following: + * - Direct Sensor Mode Online Capture + * - Direct Sensor Mode Continuous Capture + * - Buffered Sensor Mode Continuous Capture + */ sensor = pipe->stream->config.mode == IA_CSS_INPUT_MODE_SENSOR; buffered_sensor = pipe->stream->config.mode == IA_CSS_INPUT_MODE_BUFFERED_SENSOR; online = pipe->stream->config.online; @@ -7298,19 +7428,23 @@ create_host_yuvpp_pipeline(struct ia_css_pipe *pipe) /* Construct in_frame info (only in case we have dynamic input */ need_in_frameinfo_memory = pipe->stream->config.mode == IA_CSS_INPUT_MODE_MEMORY; #endif - /* the input frame can come from: - * a) memory: connect yuvscaler to me->in_frame - * b) sensor, via copy binary: connect yuvscaler to copy binary later on */ + /* + * the input frame can come from: + * + * a) memory: connect yuvscaler to me->in_frame + * b) sensor, via copy binary: connect yuvscaler to copy binary later + * on + */ if (need_in_frameinfo_memory) { /* TODO: improve for different input formats. */ /* - * "pipe->stream->config.input_config.format" represents the sensor output - * frame format, e.g. YUV422 8-bit. - * - * "in_frame_format" represents the imaging pipe's input frame format, e.g. - * Bayer-Quad RAW. - */ + * "pipe->stream->config.input_config.format" represents the sensor output + * frame format, e.g. YUV422 8-bit. + * + * "in_frame_format" represents the imaging pipe's input frame format, e.g. + * Bayer-Quad RAW. + */ int in_frame_format; if (pipe->stream->config.input_config.format == @@ -7319,22 +7453,22 @@ create_host_yuvpp_pipeline(struct ia_css_pipe *pipe) } else if (pipe->stream->config.input_config.format == ATOMISP_INPUT_FORMAT_YUV422_8) { /* - * When the sensor output frame format is "ATOMISP_INPUT_FORMAT_YUV422_8", - * the "isp_copy_var" binary is selected as the first stage in the yuvpp - * pipe. - * - * For the "isp_copy_var" binary, it reads the YUV422-8 pixels from - * the frame buffer (at DDR) to the frame-line buffer (at VMEM). - * - * By now, the "isp_copy_var" binary does NOT provide a separated - * frame-line buffer to store the YUV422-8 pixels. Instead, it stores - * the YUV422-8 pixels in the frame-line buffer which is designed to - * store the Bayer-Quad RAW pixels. - * - * To direct the "isp_copy_var" binary reading from the RAW frame-line - * buffer, its input frame format must be specified as "IA_CSS_FRAME_ - * FORMAT_RAW". - */ + * When the sensor output frame format is "ATOMISP_INPUT_FORMAT_YUV422_8", + * the "isp_copy_var" binary is selected as the first stage in the yuvpp + * pipe. + * + * For the "isp_copy_var" binary, it reads the YUV422-8 pixels from + * the frame buffer (at DDR) to the frame-line buffer (at VMEM). + * + * By now, the "isp_copy_var" binary does NOT provide a separated + * frame-line buffer to store the YUV422-8 pixels. Instead, it stores + * the YUV422-8 pixels in the frame-line buffer which is designed to + * store the Bayer-Quad RAW pixels. + * + * To direct the "isp_copy_var" binary reading from the RAW frame-line + * buffer, its input frame format must be specified as "IA_CSS_FRAME_ + * FORMAT_RAW". + */ in_frame_format = IA_CSS_FRAME_FORMAT_RAW; } else { in_frame_format = IA_CSS_FRAME_FORMAT_NV12; @@ -7633,13 +7767,14 @@ create_host_regular_capture_pipeline(struct ia_css_pipe *pipe) ia_css_pipe_util_create_output_frames(out_frames); #ifdef ISP2401 - /* When the input system is 2401, always enable 'in_frameinfo_memory' - * except for the following: - * - Direct Sensor Mode Online Capture - * - Direct Sensor Mode Online Capture - * - Direct Sensor Mode Continuous Capture - * - Buffered Sensor Mode Continuous Capture - */ + /* + * When the input system is 2401, always enable 'in_frameinfo_memory' + * except for the following: + * - Direct Sensor Mode Online Capture + * - Direct Sensor Mode Online Capture + * - Direct Sensor Mode Continuous Capture + * - Buffered Sensor Mode Continuous Capture + */ sensor = (pipe->stream->config.mode == IA_CSS_INPUT_MODE_SENSOR); buffered_sensor = (pipe->stream->config.mode == IA_CSS_INPUT_MODE_BUFFERED_SENSOR); online = pipe->stream->config.online; @@ -7772,15 +7907,15 @@ create_host_regular_capture_pipeline(struct ia_css_pipe *pipe) local_out_frame = NULL; ia_css_pipe_util_set_output_frames(out_frames, 0, local_out_frame); /* - * WARNING: The #if def flag has been added below as a - * temporary solution to solve the problem of enabling the - * view finder in a single binary in a capture flow. The - * vf-pp stage has been removed from Skycam in the solution - * provided. The vf-pp stage should be re-introduced when - * required. This * should not be considered as a clean solution. - * Proper investigation should be done to come up with the clean - * solution. - * */ + * WARNING: The #if def flag has been added below as a + * temporary solution to solve the problem of enabling the + * view finder in a single binary in a capture flow. The + * vf-pp stage has been removed from Skycam in the solution + * provided. The vf-pp stage should be re-introduced when + * required. This * should not be considered as a clean solution. + * Proper investigation should be done to come up with the clean + * solution. + */ ia_css_pipe_get_generic_stage_desc(&stage_desc, primary_binary[i], out_frames, @@ -7794,8 +7929,7 @@ create_host_regular_capture_pipeline(struct ia_css_pipe *pipe) return err; } } - /* If we use copy iso primary, - the input must be yuv iso raw */ + /* If we use copy iso primary, the input must be yuv iso raw */ current_stage->args.copy_vf = primary_binary[0]->info->sp.pipeline.mode == IA_CSS_BINARY_MODE_COPY; @@ -7920,14 +8054,14 @@ create_host_regular_capture_pipeline(struct ia_css_pipe *pipe) } /* - * WARNING: The #if def flag has been added below as a - * temporary solution to solve the problem of enabling the - * view finder in a single binary in a capture flow. The vf-pp - * stage has been removed from Skycam in the solution provided. - * The vf-pp stage should be re-introduced when required. This - * should not be considered as a clean solution. Proper - * investigation should be done to come up with the clean solution. - * */ + * WARNING: The #if def flag has been added below as a + * temporary solution to solve the problem of enabling the + * view finder in a single binary in a capture flow. The vf-pp + * stage has been removed from Skycam in the solution provided. + * The vf-pp stage should be re-introduced when required. This + * should not be considered as a clean solution. Proper + * investigation should be done to come up with the clean solution. + */ if (mode != IA_CSS_CAPTURE_MODE_RAW && mode != IA_CSS_CAPTURE_MODE_BAYER && current_stage && vf_frame) { @@ -8021,10 +8155,10 @@ static int capture_start(struct ia_css_pipe *pipe) #if !defined(ISP2401) /* - * old isys: for IA_CSS_PIPE_MODE_COPY pipe, isys rx has to be configured, - * which is currently done in start_binary(); but COPY pipe contains no binary, - * and does not call start_binary(); so we need to configure the rx here. - */ + * old isys: for IA_CSS_PIPE_MODE_COPY pipe, isys rx has to be configured, + * which is currently done in start_binary(); but COPY pipe contains no binary, + * and does not call start_binary(); so we need to configure the rx here. + */ if (pipe->config.mode == IA_CSS_PIPE_MODE_COPY && pipe->stream->reconfigure_css_rx) { ia_css_isys_rx_configure(&pipe->stream->csi_rx_config, @@ -8140,7 +8274,8 @@ append_firmware(struct ia_css_fw_info **l, struct ia_css_fw_info *firmware) while (*l) l = &(*l)->next; *l = firmware; - /*firmware->next = NULL;*/ /* when multiple acc extensions are loaded, 'next' can be not NULL */ + /* when multiple acc extensions are loaded, 'next' can be not NULL */ + /*firmware->next = NULL;*/ IA_CSS_LEAVE_PRIVATE(""); } @@ -8326,9 +8461,9 @@ sh_css_pipeline_add_acc_stage(struct ia_css_pipeline *pipeline, } /* - * @brief Tag a specific frame in continuous capture. - * Refer to "sh_css_internal.h" for details. - */ + * @brief Tag a specific frame in continuous capture. + * Refer to "sh_css_internal.h" for details. + */ int ia_css_stream_capture_frame(struct ia_css_stream *stream, unsigned int exp_id) { @@ -8355,10 +8490,12 @@ int ia_css_stream_capture_frame(struct ia_css_stream *stream, sh_css_create_tag_descr(0, 0, 0, exp_id, &tag_descr); /* Encode the tag descriptor into a 32-bit value */ encoded_tag_descr = sh_css_encode_tag_descr(&tag_descr); - /* Enqueue the encoded tag to the host2sp queue. - * Note: The pipe and stage IDs for tag_cmd queue are hard-coded to 0 - * on both host and the SP side. - * It is mainly because it is enough to have only one tag_cmd queue */ + /* + * Enqueue the encoded tag to the host2sp queue. + * Note: The pipe and stage IDs for tag_cmd queue are hard-coded to 0 + * on both host and the SP side. + * It is mainly because it is enough to have only one tag_cmd queue + */ err = ia_css_bufq_enqueue_tag_cmd(encoded_tag_descr); IA_CSS_LEAVE_ERR(err); @@ -8366,9 +8503,9 @@ int ia_css_stream_capture_frame(struct ia_css_stream *stream, } /* - * @brief Configure the continuous capture. - * Refer to "sh_css_internal.h" for details. - */ + * @brief Configure the continuous capture. + * Refer to "sh_css_internal.h" for details. + */ int ia_css_stream_capture(struct ia_css_stream *stream, int num_captures, unsigned int skip, int offset) { @@ -8404,10 +8541,12 @@ int ia_css_stream_capture(struct ia_css_stream *stream, int num_captures, return -EBUSY; } - /* Enqueue the encoded tag to the host2sp queue. - * Note: The pipe and stage IDs for tag_cmd queue are hard-coded to 0 - * on both host and the SP side. - * It is mainly because it is enough to have only one tag_cmd queue */ + /* + * Enqueue the encoded tag to the host2sp queue. + * Note: The pipe and stage IDs for tag_cmd queue are hard-coded to 0 + * on both host and the SP side. + * It is mainly because it is enough to have only one tag_cmd queue + */ return_err = ia_css_bufq_enqueue_tag_cmd((uint32_t)encoded_tag_descr); ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, @@ -8552,9 +8691,11 @@ void ia_css_stream_config_defaults(struct ia_css_stream_config *stream_config) stream_config->online = true; stream_config->left_padding = -1; stream_config->pixels_per_clock = 1; - /* temporary default value for backwards compatibility. - * This field used to be hardcoded within CSS but this has now - * been moved to the stream_config struct. */ + /* + * temporary default value for backwards compatibility. + * This field used to be hardcoded within CSS but this has now + * been moved to the stream_config struct. + */ stream_config->source.port.rxcount = 0x04040404; } @@ -8568,7 +8709,7 @@ ia_css_acc_pipe_create(struct ia_css_pipe *pipe) return -EINVAL; } - /* There is not meaning for num_execs = 0 semantically. Run atleast once. */ + /* There is not meaning for num_execs = 0 semantically. Run at least once. */ if (pipe->config.acc_num_execs == 0) pipe->config.acc_num_execs = 1; @@ -8639,9 +8780,11 @@ ia_css_pipe_create_extra(const struct ia_css_pipe_config *config, ia_css_pipe_extra_config_defaults(&internal_pipe->extra_config); if (config->mode == IA_CSS_PIPE_MODE_ACC) { - /* Temporary hack to migrate acceleration to CSS 2.0. - * In the future the code for all pipe types should be - * unified. */ + /* + * Temporary hack to migrate acceleration to CSS 2.0. + * In the future the code for all pipe types should be + * unified. + */ *pipe = internal_pipe; if (!internal_pipe->config.acc_extension && internal_pipe->config.num_acc_stages == @@ -8653,21 +8796,23 @@ ia_css_pipe_create_extra(const struct ia_css_pipe_config *config, return ia_css_acc_pipe_create(internal_pipe); } - /* Use config value when dvs_frame_delay setting equal to 2, otherwise always 1 by default */ + /* + * Use config value when dvs_frame_delay setting equal to 2, + * otherwise always 1 by default + */ if (internal_pipe->config.dvs_frame_delay == IA_CSS_FRAME_DELAY_2) internal_pipe->dvs_frame_delay = 2; else internal_pipe->dvs_frame_delay = 1; - /* we still keep enable_raw_binning for backward compatibility, for any new - fractional bayer downscaling, we should use bayer_ds_out_res. if both are - specified, bayer_ds_out_res will take precedence.if none is specified, we - set bayer_ds_out_res equal to IF output resolution(IF may do cropping on - sensor output) or use default decimation factor 1. */ - if (internal_pipe->extra_config.enable_raw_binning && - internal_pipe->config.bayer_ds_out_res.width) { - /* fill some code here, if no code is needed, please remove it during integration */ - } + /* + * we still keep enable_raw_binning for backward compatibility, + * for any new fractional bayer downscaling, we should use + * bayer_ds_out_res. if both are specified, bayer_ds_out_res will + * take precedence.if none is specified, we set bayer_ds_out_res + * equal to IF output resolution(IF may do cropping on sensor output) + * or use default decimation factor 1. + */ /* YUV downscaling */ if ((internal_pipe->config.vf_pp_in_res.width || @@ -8871,8 +9016,10 @@ ia_css_stream_configure_rx(struct ia_css_stream *stream) if (config->compression.type == IA_CSS_CSI2_COMPRESSION_TYPE_NONE) stream->csi_rx_config.comp = MIPI_PREDICTOR_NONE; else - /* not implemented yet, requires extension of the rx_cfg_t - * struct */ + /* + * not implemented yet, requires extension of the rx_cfg_t + * struct + */ return -EINVAL; stream->csi_rx_config.is_two_ppc = (stream->config.pixels_per_clock == 2); @@ -8959,8 +9106,10 @@ metadata_info_init(const struct ia_css_metadata_config *mdc, return -EINVAL; md->resolution = mdc->resolution; - /* We round up the stride to a multiple of the width - * of the port going to DDR, this is a HW requirements (DMA). */ + /* + * We round up the stride to a multiple of the width + * of the port going to DDR, this is a HW requirements (DMA). + */ md->stride = CEIL_MUL(mdc->resolution.width, HIVE_ISP_DDR_WORD_BYTES); md->size = mdc->resolution.height * md->stride; return 0; @@ -9523,10 +9672,13 @@ ia_css_stream_destroy(struct ia_css_stream *stream) if (free_mpi) { for (i = 0; i < stream->num_pipes; i++) { struct ia_css_pipe *entry = stream->pipes[i]; - /* free any mipi frames that are remaining: - * some test stream create-destroy cycles do not generate output frames - * and the mipi buffer is not freed in the deque function - */ + /* + * free any mipi frames that are remaining: + * some test stream create-destroy cycles do + * not generate output frames + * and the mipi buffer is not freed in the + * deque function + */ if (entry) free_mipi_frames(entry); } @@ -9605,11 +9757,11 @@ ia_css_stream_get_info(const struct ia_css_stream *stream, } /* - * Rebuild a stream, including allocating structs, setting configuration and - * building the required pipes. - * The data is taken from the css_save struct updated upon stream creation. - * The stream handle is used to identify the correct entry in the css_save struct - */ + * Rebuild a stream, including allocating structs, setting configuration and + * building the required pipes. + * The data is taken from the css_save struct updated upon stream creation. + * The stream handle is used to identify the correct entry in the css_save struct + */ int ia_css_stream_load(struct ia_css_stream *stream) { @@ -9737,8 +9889,10 @@ ia_css_stream_stop(struct ia_css_stream *stream) if (err) return err; - /* Ideally, unmapping should happen after pipeline_stop, but current - * semantics do not allow that. */ + /* + * Ideally, unmapping should happen after pipeline_stop, but current + * semantics do not allow that. + */ /* err = map_sp_threads(stream, false); */ return err; @@ -9761,9 +9915,9 @@ ia_css_stream_has_stopped(struct ia_css_stream *stream) /* ISP2400 */ /* - * Destroy the stream and all the pipes related to it. - * The stream handle is used to identify the correct entry in the css_save struct - */ + * Destroy the stream and all the pipes related to it. + * The stream handle is used to identify the correct entry in the css_save struct + */ int ia_css_stream_unload(struct ia_css_stream *stream) { @@ -10026,11 +10180,12 @@ ia_css_pipe_get_pipe_num(const struct ia_css_pipe *pipe) { assert(pipe); - /* KW was not sure this function was not returning a value - that was out of range; so added an assert, and, for the - case when asserts are not enabled, clip to the largest - value; pipe_num is unsigned so the value cannot be too small - */ + /* + * KW was not sure this function was not returning a value + * that was out of range; so added an assert, and, for the + * case when asserts are not enabled, clip to the largest + * value; pipe_num is unsigned so the value cannot be too small + */ assert(pipe->pipe_num < IA_CSS_PIPELINE_NUM_MAX); if (pipe->pipe_num >= IA_CSS_PIPELINE_NUM_MAX) @@ -10085,10 +10240,10 @@ ia_css_start_sp(void) } /* - * Time to wait SP for termincate. Only condition when this can happen - * is a fatal hw failure, but we must be able to detect this and emit - * a proper error trace. - */ + * Time to wait SP for termincate. Only condition when this can happen + * is a fatal hw failure, but we must be able to detect this and emit + * a proper error trace. + */ #define SP_SHUTDOWN_TIMEOUT_US 200000 int @@ -10306,8 +10461,10 @@ ia_css_unlock_raw_frame(struct ia_css_stream *stream, uint32_t exp_id) IA_CSS_ENTER(""); - /* Only continuous streams have a tagger to which we can send the - * unlock message. */ + /* + * Only continuous streams have a tagger to which we can send the + * unlock message. + */ if (!stream || !stream->config.continuous) { IA_CSS_ERROR("invalid stream pointer"); return -EINVAL; @@ -10319,8 +10476,10 @@ ia_css_unlock_raw_frame(struct ia_css_stream *stream, uint32_t exp_id) return -EINVAL; } - /* Send the event. Since we verified that the exp_id is valid, - * we can safely assign it to an 8-bit argument here. */ + /* + * Send the event. Since we verified that the exp_id is valid, + * we can safely assign it to an 8-bit argument here. + */ ret = ia_css_bufq_enqueue_psys_event( IA_CSS_PSYS_SW_EVENT_UNLOCK_RAW_BUFFER, exp_id, 0, 0); @@ -10328,9 +10487,10 @@ ia_css_unlock_raw_frame(struct ia_css_stream *stream, uint32_t exp_id) return ret; } -/* @brief Set the state (Enable or Disable) of the Extension stage in the - * given pipe. - */ +/* + * @brief Set the state (Enable or Disable) of the Extension stage in the + * given pipe. + */ int ia_css_pipe_set_qos_ext_state(struct ia_css_pipe *pipe, uint32_t fw_handle, bool enable) @@ -10374,9 +10534,10 @@ ia_css_pipe_set_qos_ext_state(struct ia_css_pipe *pipe, uint32_t fw_handle, return err; } -/* @brief Get the state (Enable or Disable) of the Extension stage in the - * given pipe. - */ +/* + * @brief Get the state (Enable or Disable) of the Extension stage in the + * given pipe. + */ int ia_css_pipe_get_qos_ext_state(struct ia_css_pipe *pipe, uint32_t fw_handle, bool *enable) -- 2.33.1
