With the ISP2401 firmware we're using, the code differences are not that much from ISP2400. Cleanup the code in order to make it closer to Intel Aero driver. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> --- To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover. See [PATCH 00/13] at: https://lore.kernel.org/all/cover.1637140900.git.mchehab+huawei@xxxxxxxxxx/ .../staging/media/atomisp/pci/sh_css_mipi.c | 159 +++++------------- .../staging/media/atomisp/pci/sh_css_mipi.h | 15 -- 2 files changed, 38 insertions(+), 136 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/sh_css_mipi.c b/drivers/staging/media/atomisp/pci/sh_css_mipi.c index cfaa4719177c..0acf75497ae7 100644 --- a/drivers/staging/media/atomisp/pci/sh_css_mipi.c +++ b/drivers/staging/media/atomisp/pci/sh_css_mipi.c @@ -33,47 +33,6 @@ static u32 ref_count_mipi_allocation[N_CSI_PORTS]; /* Initialized in mipi_init */ -/* - * Check if a source port or TPG/PRBS ID is valid - */ -static bool ia_css_mipi_is_source_port_valid(struct ia_css_pipe *pipe, - unsigned int *pport) -{ - bool ret = true; - unsigned int port = 0; - unsigned int max_ports = 0; - - switch (pipe->stream->config.mode) { - case IA_CSS_INPUT_MODE_BUFFERED_SENSOR: - port = (unsigned int)pipe->stream->config.source.port.port; - max_ports = N_CSI_PORTS; - break; - case IA_CSS_INPUT_MODE_TPG: - port = (unsigned int)pipe->stream->config.source.tpg.id; - max_ports = N_CSS_TPG_IDS; - break; - case IA_CSS_INPUT_MODE_PRBS: - port = (unsigned int)pipe->stream->config.source.prbs.id; - max_ports = N_CSS_PRBS_IDS; - break; - default: - assert(false); - ret = false; - break; - } - - if (ret) { - assert(port < max_ports); - - if (port >= max_ports) - ret = false; - } - - *pport = port; - - return ret; -} - /* Assumptions: * - A line is multiple of 4 bytes = 1 word. * - Each frame has SOF and EOF (each 1 word). @@ -227,6 +186,10 @@ ia_css_mipi_frame_calculate_size(const unsigned int width, return err; } +/* + * Check if a source port or TPG/PRBS ID is valid + */ + #if !defined(ISP2401) int ia_css_mipi_frame_enable_check_on_size(const enum mipi_port_id port, @@ -272,16 +235,20 @@ bool mipi_is_free(void) return true; } -int -calculate_mipi_buff_size( - struct ia_css_stream_config *stream_cfg, - unsigned int *size_mem_words) +#if defined(ISP2401) +/* + * @brief Calculate the required MIPI buffer sizes. + * Based on the stream configuration, calculate the + * required MIPI buffer sizes (in DDR words). + * + * @param[in] stream_cfg Point to the target stream configuration + * @param[out] size_mem_words MIPI buffer size in DDR words. + * + * @return + */ +static int calculate_mipi_buff_size(struct ia_css_stream_config *stream_cfg, + unsigned int *size_mem_words) { -#if !defined(ISP2401) - int err = -EINVAL; - (void)stream_cfg; - (void)size_mem_words; -#else unsigned int width; unsigned int height; enum atomisp_input_format format; @@ -373,26 +340,9 @@ calculate_mipi_buff_size( *size_mem_words = mem_words_per_buff; IA_CSS_LEAVE_ERR(err); -#endif return err; } - -static bool buffers_needed(struct ia_css_pipe *pipe) -{ - if (!IS_ISP2401) { - if (pipe->stream->config.mode == IA_CSS_INPUT_MODE_BUFFERED_SENSOR) - return true; - else - return false; - } - - if (pipe->stream->config.mode == IA_CSS_INPUT_MODE_BUFFERED_SENSOR || - pipe->stream->config.mode == IA_CSS_INPUT_MODE_TPG || - pipe->stream->config.mode == IA_CSS_INPUT_MODE_PRBS) - return true; - - return false; -} +#endif int allocate_mipi_frames(struct ia_css_pipe *pipe, @@ -422,45 +372,25 @@ allocate_mipi_frames(struct ia_css_pipe *pipe, } #endif - - if (!buffers_needed(pipe)) { + if (pipe->stream->config.mode != IA_CSS_INPUT_MODE_BUFFERED_SENSOR) { ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, "allocate_mipi_frames(%p) exit: no buffers needed for pipe mode.\n", pipe); return 0; /* AM TODO: Check */ } - if (!IS_ISP2401) { - port = (unsigned int)pipe->stream->config.source.port.port; - } else { - /* Returns true if port is valid. So, invert it */ - err = !ia_css_mipi_is_source_port_valid(pipe, &port); - } - - assert(port < N_CSI_PORTS); - - if ((!IS_ISP2401 && port >= N_CSI_PORTS) || - (IS_ISP2401 && err)) { + port = (unsigned int)pipe->stream->config.source.port.port; + if (port >= N_CSI_PORTS) { IA_CSS_ERROR("allocate_mipi_frames(%p) exit: port is not correct (port=%d).", pipe, port); return -EINVAL; } #ifdef ISP2401 - err = calculate_mipi_buff_size( - &pipe->stream->config, - &my_css.mipi_frame_size[port]); -#endif - -#if !defined(ISP2401) - if (ref_count_mipi_allocation[port] != 0) { - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, - "allocate_mipi_frames(%p) exit: already allocated for this port (port=%d).\n", - pipe, port); - return 0; - } -#else - /* 2401 system allows multiple streams to use same physical port. This is not + err = calculate_mipi_buff_size(&pipe->stream->config, + &my_css.mipi_frame_size[port]); + /* + * 2401 system allows multiple streams to use same physical port. This is not * true for 2400 system. Currently 2401 uses MIPI buffers as a temporary solution. * TODO AM: Once that is changed (removed) this code should be removed as well. * In that case only 2400 related code should remain. @@ -472,6 +402,13 @@ allocate_mipi_frames(struct ia_css_pipe *pipe, pipe, port); return 0; } +#else + if (ref_count_mipi_allocation[port] != 0) { + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_frames(%p) exit: already allocated for this port (port=%d).\n", + pipe, port); + return 0; + } #endif ref_count_mipi_allocation[port]++; @@ -552,23 +489,15 @@ free_mipi_frames(struct ia_css_pipe *pipe) return -EINVAL; } - if (!buffers_needed(pipe)) { + if (pipe->stream->config.mode != IA_CSS_INPUT_MODE_BUFFERED_SENSOR) { IA_CSS_ERROR("free_mipi_frames(%p) exit: wrong mode.", pipe); return err; } - if (!IS_ISP2401) { - port = (unsigned int)pipe->stream->config.source.port.port; - } else { - /* Returns true if port is valid. So, invert it */ - err = !ia_css_mipi_is_source_port_valid(pipe, &port); - } + port = (unsigned int)pipe->stream->config.source.port.port; - assert(port < N_CSI_PORTS); - - if ((!IS_ISP2401 && port >= N_CSI_PORTS) || - (IS_ISP2401 && err)) { + if (port >= N_CSI_PORTS) { IA_CSS_ERROR("free_mipi_frames(%p, %d) exit: pipe port is not correct.", pipe, port); return err; @@ -647,11 +576,7 @@ send_mipi_frames(struct ia_css_pipe *pipe) { int err = -EINVAL; unsigned int i; -#ifndef ISP2401 unsigned int port; -#else - unsigned int port = 0; -#endif IA_CSS_ENTER_PRIVATE("pipe=%p", pipe); @@ -664,23 +589,15 @@ send_mipi_frames(struct ia_css_pipe *pipe) /* multi stream video needs mipi buffers */ /* nothing to be done in other cases. */ - if (!buffers_needed(pipe)) { + if (pipe->stream->config.mode != IA_CSS_INPUT_MODE_BUFFERED_SENSOR) { IA_CSS_LOG("nothing to be done for this mode"); return 0; /* TODO: AM: maybe this should be returning an error. */ } - if (!IS_ISP2401) { - port = (unsigned int)pipe->stream->config.source.port.port; - } else { - /* Returns true if port is valid. So, invert it */ - err = !ia_css_mipi_is_source_port_valid(pipe, &port); - } + port = (unsigned int)pipe->stream->config.source.port.port; - assert(port < N_CSI_PORTS); - - if ((!IS_ISP2401 && port >= N_CSI_PORTS) || - (IS_ISP2401 && err)) { + if (port >= N_CSI_PORTS) { IA_CSS_ERROR("send_mipi_frames(%p) exit: invalid port specified (port=%d).", pipe, port); return err; diff --git a/drivers/staging/media/atomisp/pci/sh_css_mipi.h b/drivers/staging/media/atomisp/pci/sh_css_mipi.h index dffec2205620..e6c86d0ac483 100644 --- a/drivers/staging/media/atomisp/pci/sh_css_mipi.h +++ b/drivers/staging/media/atomisp/pci/sh_css_mipi.h @@ -34,19 +34,4 @@ free_mipi_frames(struct ia_css_pipe *pipe); int send_mipi_frames(struct ia_css_pipe *pipe); -/** - * @brief Calculate the required MIPI buffer sizes. - * Based on the stream configuration, calculate the - * required MIPI buffer sizes (in DDR words). - * - * @param[in] stream_cfg Point to the target stream configuration - * @param[out] size_mem_words MIPI buffer size in DDR words. - * - * @return - */ -int -calculate_mipi_buff_size( - struct ia_css_stream_config *stream_cfg, - unsigned int *size_mem_words); - #endif /* __SH_CSS_MIPI_H */ -- 2.33.1
