diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_mipi.c')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_mipi.c | 749 |
1 files changed, 749 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_mipi.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_mipi.c new file mode 100644 index 0000000..7e3893c --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_mipi.c @@ -0,0 +1,749 @@ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2015, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include "ia_css_mipi.h" +#include "sh_css_mipi.h" +#include <type_support.h> +#include "system_global.h" +#include "ia_css_err.h" +#include "ia_css_pipe.h" +#include "ia_css_stream_format.h" +#include "sh_css_stream_format.h" +#include "ia_css_stream_public.h" +#include "ia_css_frame_public.h" +#include "ia_css_input_port.h" +#include "ia_css_debug.h" +#include "sh_css_struct.h" +#include "sh_css_defs.h" +#include "sh_css_sp.h" /* sh_css_update_host2sp_mipi_frame sh_css_update_host2sp_num_mipi_frames ... */ +#include "sw_event_global.h" /* IA_CSS_PSYS_SW_EVENT_MIPI_BUFFERS_READY */ + +#if defined(USE_INPUT_SYSTEM_VERSION_2) || defined(USE_INPUT_SYSTEM_VERSION_2401) +static uint32_t ref_count_mipi_allocation[N_CSI_PORTS]; /* Initialized in mipi_init */ +#endif + +enum ia_css_err +ia_css_mipi_frame_specify(const unsigned int size_mem_words, + const bool contiguous) +{ + enum ia_css_err err = IA_CSS_SUCCESS; + + my_css.size_mem_words = size_mem_words; + (void)contiguous; + + return err; +} + +#ifdef ISP2401 +#if defined(USE_INPUT_SYSTEM_VERSION_2) || defined(USE_INPUT_SYSTEM_VERSION_2401) +/* + * 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; +} +#endif + +#endif +/* Assumptions: + * - A line is multiple of 4 bytes = 1 word. + * - Each frame has SOF and EOF (each 1 word). + * - Each line has format header and optionally SOL and EOL (each 1 word). + * - Odd and even lines of YUV420 format are different in bites per pixel size. + * - Custom size of embedded data. + * -- Interleaved frames are not taken into account. + * -- Lines are multiples of 8B, and not necessary of (custom 3B, or 7B + * etc.). + * Result is given in DDR mem words, 32B or 256 bits + */ +enum ia_css_err +ia_css_mipi_frame_calculate_size(const unsigned int width, + const unsigned int height, + const enum ia_css_stream_format format, + const bool hasSOLandEOL, + const unsigned int embedded_data_size_words, + unsigned int *size_mem_words) +{ + enum ia_css_err err = IA_CSS_SUCCESS; + + unsigned int bits_per_pixel = 0; + unsigned int even_line_bytes = 0; + unsigned int odd_line_bytes = 0; + unsigned int words_per_odd_line = 0; + unsigned int words_for_first_line = 0; + unsigned int words_per_even_line = 0; + unsigned int mem_words_per_even_line = 0; + unsigned int mem_words_per_odd_line = 0; + unsigned int mem_words_for_first_line = 0; + unsigned int mem_words_for_EOF = 0; + unsigned int mem_words = 0; + unsigned int width_padded = width; + +#if defined(USE_INPUT_SYSTEM_VERSION_2401) + /* The changes will be reverted as soon as RAW + * Buffers are deployed by the 2401 Input System + * in the non-continuous use scenario. + */ + width_padded += (2 * ISP_VEC_NELEMS); +#endif + + IA_CSS_ENTER("padded_width=%d, height=%d, format=%d, hasSOLandEOL=%d, embedded_data_size_words=%d\n", + width_padded, height, format, hasSOLandEOL, embedded_data_size_words); + + switch (format) { + case IA_CSS_STREAM_FORMAT_RAW_6: /* 4p, 3B, 24bits */ + bits_per_pixel = 6; break; + case IA_CSS_STREAM_FORMAT_RAW_7: /* 8p, 7B, 56bits */ + bits_per_pixel = 7; break; + case IA_CSS_STREAM_FORMAT_RAW_8: /* 1p, 1B, 8bits */ + case IA_CSS_STREAM_FORMAT_BINARY_8: /* 8bits, TODO: check. */ + case IA_CSS_STREAM_FORMAT_YUV420_8: /* odd 2p, 2B, 16bits, even 2p, 4B, 32bits */ + bits_per_pixel = 8; break; + case IA_CSS_STREAM_FORMAT_YUV420_10: /* odd 4p, 5B, 40bits, even 4p, 10B, 80bits */ + case IA_CSS_STREAM_FORMAT_RAW_10: /* 4p, 5B, 40bits */ +#if !defined(HAS_NO_PACKED_RAW_PIXELS) + /* The changes will be reverted as soon as RAW + * Buffers are deployed by the 2401 Input System + * in the non-continuous use scenario. + */ + bits_per_pixel = 10; +#else + bits_per_pixel = 16; +#endif + break; + case IA_CSS_STREAM_FORMAT_YUV420_8_LEGACY: /* 2p, 3B, 24bits */ + case IA_CSS_STREAM_FORMAT_RAW_12: /* 2p, 3B, 24bits */ + bits_per_pixel = 12; break; + case IA_CSS_STREAM_FORMAT_RAW_14: /* 4p, 7B, 56bits */ + bits_per_pixel = 14; break; + case IA_CSS_STREAM_FORMAT_RGB_444: /* 1p, 2B, 16bits */ + case IA_CSS_STREAM_FORMAT_RGB_555: /* 1p, 2B, 16bits */ + case IA_CSS_STREAM_FORMAT_RGB_565: /* 1p, 2B, 16bits */ + case IA_CSS_STREAM_FORMAT_YUV422_8: /* 2p, 4B, 32bits */ + bits_per_pixel = 16; break; + case IA_CSS_STREAM_FORMAT_RGB_666: /* 4p, 9B, 72bits */ + bits_per_pixel = 18; break; + case IA_CSS_STREAM_FORMAT_YUV422_10: /* 2p, 5B, 40bits */ + bits_per_pixel = 20; break; + case IA_CSS_STREAM_FORMAT_RGB_888: /* 1p, 3B, 24bits */ + bits_per_pixel = 24; break; + + case IA_CSS_STREAM_FORMAT_YUV420_16: /* Not supported */ + case IA_CSS_STREAM_FORMAT_YUV422_16: /* Not supported */ + case IA_CSS_STREAM_FORMAT_RAW_16: /* TODO: not specified in MIPI SPEC, check */ + default: + return IA_CSS_ERR_INVALID_ARGUMENTS; + } + + odd_line_bytes = (width_padded * bits_per_pixel + 7) >> 3; /* ceil ( bits per line / 8) */ + + /* Even lines for YUV420 formats are double in bits_per_pixel. */ + if (format == IA_CSS_STREAM_FORMAT_YUV420_8 + || format == IA_CSS_STREAM_FORMAT_YUV420_10 + || format == IA_CSS_STREAM_FORMAT_YUV420_16) { + even_line_bytes = (width_padded * 2 * bits_per_pixel + 7) >> 3; /* ceil ( bits per line / 8) */ + } else { + even_line_bytes = odd_line_bytes; + } + + /* a frame represented in memory: ()- optional; data - payload words. + * addr 0 1 2 3 4 5 6 7: + * first SOF (SOL) PACK_H data data data data data + * data data data data data data data data + * ... + * data data 0 0 0 0 0 0 + * second (EOL) (SOL) PACK_H data data data data data + * data data data data data data data data + * ... + * data data 0 0 0 0 0 0 + * ... + * last (EOL) EOF 0 0 0 0 0 0 + * + * Embedded lines are regular lines stored before the first and after + * payload lines. + */ + + words_per_odd_line = (odd_line_bytes + 3) >> 2; + /* ceil(odd_line_bytes/4); word = 4 bytes */ + words_per_even_line = (even_line_bytes + 3) >> 2; + words_for_first_line = words_per_odd_line + 2 + (hasSOLandEOL ? 1 : 0); + /* + SOF +packet header + optionally (SOL), but (EOL) is not in the first line */ + words_per_odd_line += (1 + (hasSOLandEOL ? 2 : 0)); + /* each non-first line has format header, and optionally (SOL) and (EOL). */ + words_per_even_line += (1 + (hasSOLandEOL ? 2 : 0)); + + mem_words_per_odd_line = (words_per_odd_line + 7) >> 3; + /* ceil(words_per_odd_line/8); mem_word = 32 bytes, 8 words */ + mem_words_for_first_line = (words_for_first_line + 7) >> 3; + mem_words_per_even_line = (words_per_even_line + 7) >> 3; + mem_words_for_EOF = 1; /* last line consisit of the optional (EOL) and EOF */ + + mem_words = ((embedded_data_size_words + 7) >> 3) + + mem_words_for_first_line + + (((height + 1) >> 1) - 1) * mem_words_per_odd_line + + /* ceil (height/2) - 1 (first line is calculated separatelly) */ + (height >> 1) * mem_words_per_even_line + /* floor(height/2) */ + mem_words_for_EOF; + + *size_mem_words = mem_words; /* ceil(words/8); mem word is 32B = 8words. */ + /* Check if the above is still needed. */ + + IA_CSS_LEAVE_ERR(err); + return err; +} + +#if !defined(HAS_NO_INPUT_SYSTEM) && defined(USE_INPUT_SYSTEM_VERSION_2) +enum ia_css_err +ia_css_mipi_frame_enable_check_on_size(const enum ia_css_csi2_port port, + const unsigned int size_mem_words) +{ + uint32_t idx; + + enum ia_css_err err = IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; + + OP___assert(port < N_CSI_PORTS); + OP___assert(size_mem_words != 0); + + for (idx = 0; idx < IA_CSS_MIPI_SIZE_CHECK_MAX_NOF_ENTRIES_PER_PORT && + my_css.mipi_sizes_for_check[port][idx] != 0; + idx++) { /* do nothing */ + } + if (idx < IA_CSS_MIPI_SIZE_CHECK_MAX_NOF_ENTRIES_PER_PORT) { + my_css.mipi_sizes_for_check[port][idx] = size_mem_words; + err = IA_CSS_SUCCESS; + } + + return err; +} +#endif + +void +mipi_init(void) +{ +#if defined(USE_INPUT_SYSTEM_VERSION_2) || defined(USE_INPUT_SYSTEM_VERSION_2401) + unsigned int i; + + for (i = 0; i < N_CSI_PORTS; i++) + ref_count_mipi_allocation[i] = 0; +#endif +} + +enum ia_css_err +calculate_mipi_buff_size( + struct ia_css_stream_config *stream_cfg, + unsigned int *size_mem_words) +{ +#if !defined(USE_INPUT_SYSTEM_VERSION_2401) + enum ia_css_err err = IA_CSS_ERR_INTERNAL_ERROR; + (void)stream_cfg; + (void)size_mem_words; +#else + unsigned int width; + unsigned int height; + enum ia_css_stream_format format; + bool pack_raw_pixels; + + unsigned int width_padded; + unsigned int bits_per_pixel = 0; + + unsigned int even_line_bytes = 0; + unsigned int odd_line_bytes = 0; + + unsigned int words_per_odd_line = 0; + unsigned int words_per_even_line = 0; + + unsigned int mem_words_per_even_line = 0; + unsigned int mem_words_per_odd_line = 0; + + unsigned int mem_words_per_buff_line = 0; + unsigned int mem_words_per_buff = 0; + enum ia_css_err err = IA_CSS_SUCCESS; + + /** +#ifndef ISP2401 + * zhengjie.lu@intel.com + * +#endif + * NOTE + * - In the struct "ia_css_stream_config", there + * are two members: "input_config" and "isys_config". + * Both of them provide the same information, e.g. + * input_res and format. + * + * Question here is that: which one shall be used? + */ + width = stream_cfg->input_config.input_res.width; + height = stream_cfg->input_config.input_res.height; + format = stream_cfg->input_config.format; + pack_raw_pixels = stream_cfg->pack_raw_pixels; + /** end of NOTE */ + + /** +#ifndef ISP2401 + * zhengjie.lu@intel.com + * +#endif + * NOTE + * - The following code is derived from the + * existing code "ia_css_mipi_frame_calculate_size()". + * + * Question here is: why adding "2 * ISP_VEC_NELEMS" + * to "width_padded", but not making "width_padded" + * aligned with "2 * ISP_VEC_NELEMS"? + */ + /* The changes will be reverted as soon as RAW + * Buffers are deployed by the 2401 Input System + * in the non-continuous use scenario. + */ + width_padded = width + (2 * ISP_VEC_NELEMS); + /** end of NOTE */ + + IA_CSS_ENTER("padded_width=%d, height=%d, format=%d\n", + width_padded, height, format); + + bits_per_pixel = sh_css_stream_format_2_bits_per_subpixel(format); + bits_per_pixel = + (format == IA_CSS_STREAM_FORMAT_RAW_10 && pack_raw_pixels) ? bits_per_pixel : 16; + if (bits_per_pixel == 0) + return IA_CSS_ERR_INTERNAL_ERROR; + + odd_line_bytes = (width_padded * bits_per_pixel + 7) >> 3; /* ceil ( bits per line / 8) */ + + /* Even lines for YUV420 formats are double in bits_per_pixel. */ + if (format == IA_CSS_STREAM_FORMAT_YUV420_8 + || format == IA_CSS_STREAM_FORMAT_YUV420_10) { + even_line_bytes = (width_padded * 2 * bits_per_pixel + 7) >> 3; /* ceil ( bits per line / 8) */ + } else { + even_line_bytes = odd_line_bytes; + } + + words_per_odd_line = (odd_line_bytes + 3) >> 2; + /* ceil(odd_line_bytes/4); word = 4 bytes */ + words_per_even_line = (even_line_bytes + 3) >> 2; + + mem_words_per_odd_line = (words_per_odd_line + 7) >> 3; + /* ceil(words_per_odd_line/8); mem_word = 32 bytes, 8 words */ + mem_words_per_even_line = (words_per_even_line + 7) >> 3; + + mem_words_per_buff_line = + (mem_words_per_odd_line > mem_words_per_even_line) ? mem_words_per_odd_line : mem_words_per_even_line; + mem_words_per_buff = mem_words_per_buff_line * height; + + *size_mem_words = mem_words_per_buff; + + IA_CSS_LEAVE_ERR(err); +#endif + return err; +} + +enum ia_css_err +allocate_mipi_frames(struct ia_css_pipe *pipe, struct ia_css_stream_info *info) +{ +#if defined(USE_INPUT_SYSTEM_VERSION_2) || defined(USE_INPUT_SYSTEM_VERSION_2401) + enum ia_css_err err = IA_CSS_ERR_INTERNAL_ERROR; +#ifndef ISP2401 + unsigned int port; +#else + unsigned int port = 0; +#endif + struct ia_css_frame_info mipi_intermediate_info; + + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_frames(%p) enter:\n", pipe); + + assert(pipe != NULL); + assert(pipe->stream != NULL); + if ((pipe == NULL) || (pipe->stream == NULL)) { + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_frames(%p) exit: pipe or stream is null.\n", + pipe); + return IA_CSS_ERR_INVALID_ARGUMENTS; + } + +#ifdef USE_INPUT_SYSTEM_VERSION_2401 + if (pipe->stream->config.online) { + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_frames(%p) exit: no buffers needed for 2401 pipe mode.\n", + pipe); + return IA_CSS_SUCCESS; + } + +#endif +#ifndef ISP2401 + if (pipe->stream->config.mode != IA_CSS_INPUT_MODE_BUFFERED_SENSOR) { +#else + 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)) { +#endif + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_frames(%p) exit: no buffers needed for pipe mode.\n", + pipe); + return IA_CSS_SUCCESS; /* AM TODO: Check */ + } + +#ifndef ISP2401 + port = (unsigned int) pipe->stream->config.source.port.port; + assert(port < N_CSI_PORTS); + if (port >= N_CSI_PORTS) { +#else + if (!ia_css_mipi_is_source_port_valid(pipe, &port)) { +#endif + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_frames(%p) exit: error: port is not correct (port=%d).\n", + pipe, port); + return IA_CSS_ERR_INTERNAL_ERROR; + } + +#ifdef USE_INPUT_SYSTEM_VERSION_2401 + err = calculate_mipi_buff_size( + &(pipe->stream->config), + &(my_css.mipi_frame_size[port])); +#endif + +#if defined(USE_INPUT_SYSTEM_VERSION_2) + 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 IA_CSS_SUCCESS; + } +#else + /* 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. + */ + if (ref_count_mipi_allocation[port] != 0) { + ref_count_mipi_allocation[port]++; + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_frames(%p) leave: nothing to do, already allocated for this port (port=%d).\n", + pipe, port); + return IA_CSS_SUCCESS; + } +#endif + + ref_count_mipi_allocation[port]++; + + /* TODO: Cleaning needed. */ + /* This code needs to modified to allocate the MIPI frames in the correct normal way + with an allocate from info, by justin */ + mipi_intermediate_info = pipe->pipe_settings.video.video_binary.internal_frame_info; + mipi_intermediate_info.res.width = 0; + mipi_intermediate_info.res.height = 0; + /* To indicate it is not (yet) valid format. */ + mipi_intermediate_info.format = IA_CSS_FRAME_FORMAT_NUM; + mipi_intermediate_info.padded_width = 0; + mipi_intermediate_info.raw_bit_depth = 0; + + /* AM TODO: mipi frames number should come from stream struct. */ + my_css.num_mipi_frames[port] = NUM_MIPI_FRAMES_PER_STREAM; + + /* Incremental allocation (per stream), not for all streams at once. */ + { /* limit the scope of i,j */ + unsigned i, j; + for (i = 0; i < my_css.num_mipi_frames[port]; i++) { + /* free previous frame */ + if (my_css.mipi_frames[port][i]) { + ia_css_frame_free(my_css.mipi_frames[port][i]); + my_css.mipi_frames[port][i] = NULL; + } + /* check if new frame is needed */ + if (i < my_css.num_mipi_frames[port]) { + /* allocate new frame */ + err = ia_css_frame_allocate_with_buffer_size( + &my_css.mipi_frames[port][i], + my_css.mipi_frame_size[port] * HIVE_ISP_DDR_WORD_BYTES, + false); + if (err != IA_CSS_SUCCESS) { + for (j = 0; j < i; j++) { + if (my_css.mipi_frames[port][j]) { + ia_css_frame_free(my_css.mipi_frames[port][j]); + my_css.mipi_frames[port][j] = NULL; + } + } + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_frames(%p, %d) exit: error: allocation failed.\n", + pipe, port); + return err; + } + } + if (info->metadata_info.size > 0) { + /* free previous metadata buffer */ + if (my_css.mipi_metadata[port][i] != NULL) { + ia_css_metadata_free(my_css.mipi_metadata[port][i]); + my_css.mipi_metadata[port][i] = NULL; + } + /* check if need to allocate a new metadata buffer */ + if (i < my_css.num_mipi_frames[port]) { + /* allocate new metadata buffer */ + my_css.mipi_metadata[port][i] = ia_css_metadata_allocate(&info->metadata_info); + if (my_css.mipi_metadata[port][i] == NULL) { + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_metadata(%p, %d) failed.\n", + pipe, port); + return err; + } + } + } + } + } + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "allocate_mipi_frames(%p) exit:\n", pipe); + + return err; +#else + (void)pipe; + (void)info; + return IA_CSS_SUCCESS; +#endif +} + +enum ia_css_err +free_mipi_frames(struct ia_css_pipe *pipe) +{ +#if defined(USE_INPUT_SYSTEM_VERSION_2) || defined(USE_INPUT_SYSTEM_VERSION_2401) + enum ia_css_err err = IA_CSS_ERR_INTERNAL_ERROR; +#ifndef ISP2401 + unsigned int port; +#else + unsigned int port = 0; +#endif + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "free_mipi_frames(%p) enter:\n", pipe); + + /* assert(pipe != NULL); TEMP: TODO: Should be assert only. */ + if (pipe != NULL) { + assert(pipe->stream != NULL); + if ((pipe == NULL) || (pipe->stream == NULL)) { + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "free_mipi_frames(%p) exit: error: pipe or stream is null.\n", + pipe); + return IA_CSS_ERR_INVALID_ARGUMENTS; + } + +#ifndef ISP2401 + if (pipe->stream->config.mode != IA_CSS_INPUT_MODE_BUFFERED_SENSOR) { +#else + 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)) { +#endif + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "free_mipi_frames(%p) exit: error: wrong mode.\n", + pipe); + return err; + } + +#ifndef ISP2401 + port = (unsigned int) pipe->stream->config.source.port.port; + assert(port < N_CSI_PORTS); + if (port >= N_CSI_PORTS) { +#else + if (!ia_css_mipi_is_source_port_valid(pipe, &port)) { +#endif + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, +#ifndef ISP2401 + "free_mipi_frames(%p, %d) exit: error: pipe port is not correct.\n", +#else + "free_mipi_frames(%p) exit: error: pipe port is not correct (port=%d).\n", +#endif + pipe, port); + return err; + } +#ifdef ISP2401 + +#endif + if (ref_count_mipi_allocation[port] > 0) { +#if defined(USE_INPUT_SYSTEM_VERSION_2) + assert(ref_count_mipi_allocation[port] == 1); + if (ref_count_mipi_allocation[port] != 1) { + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "free_mipi_frames(%p) exit: error: wrong ref_count (ref_count=%d).\n", + pipe, ref_count_mipi_allocation[port]); + return err; + } +#endif + + ref_count_mipi_allocation[port]--; + + if (ref_count_mipi_allocation[port] == 0) { + /* no streams are using this buffer, so free it */ + unsigned int i; + for (i = 0; i < my_css.num_mipi_frames[port]; i++) { + if (my_css.mipi_frames[port][i] != NULL) { + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "free_mipi_frames(port=%d, num=%d).\n", port, i); + ia_css_frame_free(my_css.mipi_frames[port][i]); + my_css.mipi_frames[port][i] = NULL; + } + if (my_css.mipi_metadata[port][i] != NULL) { + ia_css_metadata_free(my_css.mipi_metadata[port][i]); + my_css.mipi_metadata[port][i] = NULL; + } + } + + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "free_mipi_frames(%p) exit (deallocated).\n", pipe); + } +#if defined(USE_INPUT_SYSTEM_VERSION_2401) + else { + /* 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. + */ + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "free_mipi_frames(%p) leave: nothing to do, other streams still use this port (port=%d).\n", + pipe, port); + } +#endif + } + } else { /* pipe ==NULL */ + /* AM TEMP: free-ing all mipi buffers just like a legacy code. */ + for (port = CSI_PORT0_ID; port < N_CSI_PORTS; port++) { + unsigned int i; + for (i = 0; i < my_css.num_mipi_frames[port]; i++) { + if (my_css.mipi_frames[port][i] != NULL) { + ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, + "free_mipi_frames(port=%d, num=%d).\n", port, i); + ia_css_frame_free(my_css.mipi_frames[port][i]); + my_css.mipi_frames[port][i] = NULL; + } + if (my_css.mipi_metadata[port][i] != NULL) { + ia_css_metadata_free(my_css.mipi_metadata[port][i]); + my_css.mipi_metadata[port][i] = NULL; + } + } + ref_count_mipi_allocation[port] = 0; + } + } +#else + (void)pipe; +#endif + return IA_CSS_SUCCESS; +} + +enum ia_css_err +send_mipi_frames(struct ia_css_pipe *pipe) +{ +#if defined(USE_INPUT_SYSTEM_VERSION_2) || defined(USE_INPUT_SYSTEM_VERSION_2401) + enum ia_css_err err = IA_CSS_ERR_INTERNAL_ERROR; + unsigned int i; +#ifndef ISP2401 + unsigned int port; +#else + unsigned int port = 0; +#endif + + IA_CSS_ENTER_PRIVATE("pipe=%d", pipe); + + assert(pipe != NULL); + assert(pipe->stream != NULL); + if (pipe == NULL || pipe->stream == NULL) { + IA_CSS_ERROR("pipe or stream is null"); + return IA_CSS_ERR_INVALID_ARGUMENTS; + } + + /* multi stream video needs mipi buffers */ + /* nothing to be done in other cases. */ +#ifndef ISP2401 + if (pipe->stream->config.mode != IA_CSS_INPUT_MODE_BUFFERED_SENSOR) { +#else + 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)) { +#endif + IA_CSS_LOG("nothing to be done for this mode"); + return IA_CSS_SUCCESS; + /* TODO: AM: maybe this should be returning an error. */ + } + +#ifndef ISP2401 + port = (unsigned int) pipe->stream->config.source.port.port; + assert(port < N_CSI_PORTS); + if (port >= N_CSI_PORTS) { + IA_CSS_ERROR("invalid port specified (%d)", port); +#else + if (!ia_css_mipi_is_source_port_valid(pipe, &port)) { + IA_CSS_ERROR("send_mipi_frames(%p) exit: invalid port specified (port=%d).\n", pipe, port); +#endif + return err; + } + + /* Hand-over the SP-internal mipi buffers */ + for (i = 0; i < my_css.num_mipi_frames[port]; i++) { + /* Need to include the ofset for port. */ + sh_css_update_host2sp_mipi_frame(port * NUM_MIPI_FRAMES_PER_STREAM + i, + my_css.mipi_frames[port][i]); + sh_css_update_host2sp_mipi_metadata(port * NUM_MIPI_FRAMES_PER_STREAM + i, + my_css.mipi_metadata[port][i]); + } + sh_css_update_host2sp_num_mipi_frames(my_css.num_mipi_frames[port]); + + /********************************** + * Send an event to inform the SP + * that all MIPI frames are passed. + **********************************/ + if (!sh_css_sp_is_running()) { + /* SP is not running. The queues are not valid */ + IA_CSS_ERROR("sp is not running"); + return err; + } + + ia_css_bufq_enqueue_psys_event( + IA_CSS_PSYS_SW_EVENT_MIPI_BUFFERS_READY, + (uint8_t)port, + (uint8_t)my_css.num_mipi_frames[port], + 0 /* not used */); + IA_CSS_LEAVE_ERR_PRIVATE(IA_CSS_SUCCESS); +#else + (void)pipe; +#endif + return IA_CSS_SUCCESS; +} |
