From: Sidraya <sidraya.bj@xxxxxxxxxxxxxxxxxxx> Decoder resource component is responsible for allocating all the internal, auxiliary resources required for decoder and maintain their life cycle. Signed-off-by: Sunita Nadampalli <sunitan@xxxxxx> Signed-off-by: Sidraya <sidraya.bj@xxxxxxxxxxxxxxxxxxx> --- MAINTAINERS | 2 + .../staging/media/vxd/decoder/dec_resources.c | 554 ++++++++++++++++++ .../staging/media/vxd/decoder/dec_resources.h | 46 ++ 3 files changed, 602 insertions(+) create mode 100644 drivers/staging/media/vxd/decoder/dec_resources.c create mode 100644 drivers/staging/media/vxd/decoder/dec_resources.h diff --git a/MAINTAINERS b/MAINTAINERS index c7edc60f4d5b..6dadec058ab3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19569,6 +19569,8 @@ F: drivers/staging/media/vxd/common/work_queue.h F: drivers/staging/media/vxd/decoder/bspp.c F: drivers/staging/media/vxd/decoder/bspp.h F: drivers/staging/media/vxd/decoder/bspp_int.h +F: drivers/staging/media/vxd/decoder/dec_resources.c +F: drivers/staging/media/vxd/decoder/dec_resources.h F: drivers/staging/media/vxd/decoder/fw_interface.h F: drivers/staging/media/vxd/decoder/h264_idx.h F: drivers/staging/media/vxd/decoder/h264_secure_parser.c diff --git a/drivers/staging/media/vxd/decoder/dec_resources.c b/drivers/staging/media/vxd/decoder/dec_resources.c new file mode 100644 index 000000000000..e993a45eb540 --- /dev/null +++ b/drivers/staging/media/vxd/decoder/dec_resources.c @@ -0,0 +1,554 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * VXD Decoder resource allocation and tracking function implementations + * + * Copyright (c) Imagination Technologies Ltd. + * Copyright (c) 2021 Texas Instruments Incorporated - http://www.ti.com/ + * + * Authors: + * Sunita Nadampalli <sunitan@xxxxxx> + * + * Re-written for upstream + * Sidraya Jayagond <sidraya.bj@xxxxxxxxxxxxxxxxxxx> + * Prashanth Kumar Amai <prashanth.ka@xxxxxxxxxxxxxxxxxxx> + */ + +#include <linux/dma-mapping.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-device.h> +#include <media/v4l2-mem2mem.h> + +#include "decoder.h" +#include "dec_resources.h" +#include "hw_control.h" +#include "h264fw_data.h" +#include "h264_idx.h" +#include "h264_vlc.h" +#include "img_mem.h" +#include "pool_api.h" +#include "vdecdd_utils.h" +#include "vdec_mmu_wrapper.h" +#include "vid_buf.h" +#include "vxd_mmu_defs.h" + +#define DECODER_END_BYTES_SIZE 40 + +#define BATCH_MSG_BUFFER_SIZE (8 * 4096) +#define INTRA_BUF_SIZE (1024 * 32) +#define AUX_LINE_BUFFER_SIZE (512 * 1024) + +static void decres_pack_vlc_tables(unsigned short *packed, + unsigned short *unpacked, + unsigned short size) +{ + unsigned short i, j; + + for (i = 0; i < size; i++) { + j = i * 3; + /* + * opcode 14:12 + * width 11:9 + * symbol 8:0 + */ + packed[i] = 0 | ((unpacked[j]) << 12) | + ((unpacked[j + 1]) << 9) | (unpacked[j + 2]); + } +} + +struct dec_vlctable { + void *data; + unsigned int num_entries; + void *index_table; + unsigned int num_tables; +}; + +/* + * Union with sizes of firmware parser header structure sizes. Dec_resources + * uses the largest to allocate the header buffer. + */ +union decres_fw_hdrs { + struct h264fw_header_data h264_header; +}; + +/* + * This array contains the size of each resource allocation. + * @brief Resource Allocation Sizes + * NOTE: This should be kept in step with #DECODER_eResType. + */ +static const unsigned int res_size[DECODER_RESTYPE_MAX] = { + sizeof(struct vdecfw_transaction), + sizeof(union decres_fw_hdrs), + BATCH_MSG_BUFFER_SIZE, +#ifdef HAS_HEVC + MEM_TO_REG_BUF_SIZE + SLICE_PARAMS_BUF_SIZE + ABOVE_PARAMS_BUF_SIZE, +#endif +}; + +static const unsigned char start_code[] = { + 0x00, 0x00, 0x01, 0x00, +}; + +static void decres_get_vlc_data(struct dec_vlctable *vlc_table, + enum vdec_vid_std vid_std) +{ + switch (vid_std) { + case VDEC_STD_H264: + vlc_table->data = h264_vlc_table_data; + vlc_table->num_entries = h264_vlc_table_size; + vlc_table->index_table = h264_vlc_index_data; + vlc_table->num_tables = h264_vlc_index_size; + break; + + default: + memset(vlc_table, 0x0, sizeof(*vlc_table)); + break; + } +} + +static void decres_fnbuf_info_destructor(void *param, void *cb_handle) +{ + struct vidio_ddbufinfo *dd_bufinfo = (struct vidio_ddbufinfo *)param; + int ret; + void *mmu_handle = cb_handle; + + VDEC_ASSERT(dd_bufinfo); + + ret = mmu_free_mem(mmu_handle, dd_bufinfo); + VDEC_ASSERT(ret == IMG_SUCCESS); + + kfree(dd_bufinfo); + dd_bufinfo = NULL; +} + +int dec_res_picture_detach(void **res_ctx, struct dec_decpict *dec_pict) +{ + struct dec_res_ctx *local_res_ctx; + + VDEC_ASSERT(res_ctx); + VDEC_ASSERT(res_ctx && *res_ctx); + VDEC_ASSERT(dec_pict); + VDEC_ASSERT(dec_pict && dec_pict->transaction_info); + + if (!res_ctx || !(*res_ctx) || !dec_pict || + !dec_pict->transaction_info) { + pr_err("Invalid parameters\n"); + return IMG_ERROR_INVALID_PARAMETERS; + } + + local_res_ctx = (struct dec_res_ctx *)*res_ctx; + + /* return transaction buffer */ + lst_add(&local_res_ctx->pool_data_list[DECODER_RESTYPE_TRANSACTION], + dec_pict->transaction_info); + pool_resfree(dec_pict->transaction_info->res); + + /* return picture header information buffer */ + lst_add(&local_res_ctx->pool_data_list[DECODER_RESTYPE_HDR], + dec_pict->hdr_info); + pool_resfree(dec_pict->hdr_info->res); + + /* return batch message buffer */ + lst_add(&local_res_ctx->pool_data_list[DECODER_RESTYPE_BATCH_MSG], + dec_pict->batch_msginfo); + pool_resfree(dec_pict->batch_msginfo->res); + +#ifdef HAS_HEVC + if (dec_pict->pvdec_info) { + lst_add(&local_res_ctx->pool_data_list[DECODER_RESTYPE_PVDEC_BUF], + dec_pict->pvdec_info); + pool_resfree(dec_pict->pvdec_info->res); + } +#endif + + return IMG_SUCCESS; +} + +static int decres_get_resource(struct dec_res_ctx *res_ctx, + enum dec_res_type res_type, + struct res_resinfo **res_info, + unsigned char fill_zeros) +{ + struct res_resinfo *local_res_info = NULL; + unsigned int ret = IMG_SUCCESS; + + VDEC_ASSERT(res_ctx); + VDEC_ASSERT(res_info); + + local_res_info = lst_removehead(&res_ctx->pool_data_list[res_type]); + VDEC_ASSERT(local_res_info); + if (local_res_info) { + VDEC_ASSERT(local_res_info->ddbuf_info); + if (local_res_info->ddbuf_info) { + ret = pool_resalloc(res_ctx->res_pool[res_type], local_res_info->res); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) { + ret = IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE; + return ret; + } + + if (fill_zeros) + memset(local_res_info->ddbuf_info->cpu_virt, 0, + local_res_info->ddbuf_info->buf_size); + + *res_info = local_res_info; + } else { + ret = IMG_ERROR_FATAL; + return ret; + } + } else { + ret = IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE; + return ret; + } + + return ret; +} + +int dec_res_picture_attach(void **res_ctx, enum vdec_vid_std vid_std, + struct dec_decpict *dec_pict) +{ + struct dec_res_ctx *local_res_ctx; + int ret; + + VDEC_ASSERT(res_ctx); + VDEC_ASSERT(res_ctx && *res_ctx); + VDEC_ASSERT(dec_pict); + if (!res_ctx || !(*res_ctx) || !dec_pict) { + pr_err("Invalid parameters"); + return IMG_ERROR_INVALID_PARAMETERS; + } + + local_res_ctx = (struct dec_res_ctx *)*res_ctx; + + /* Obtain transaction buffer. */ + ret = decres_get_resource(local_res_ctx, DECODER_RESTYPE_TRANSACTION, + &dec_pict->transaction_info, TRUE); + + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + return ret; + + /* Obtain picture header information buffer */ + ret = decres_get_resource(local_res_ctx, DECODER_RESTYPE_HDR, + &dec_pict->hdr_info, TRUE); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + return ret; + +#ifdef HAS_HEVC + /* Obtain HEVC buffer */ + if (vid_std == VDEC_STD_HEVC) { + ret = decres_get_resource(local_res_ctx, DECODER_RESTYPE_PVDEC_BUF, + &dec_pict->pvdec_info, TRUE); + + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + return ret; + } +#endif + /* Obtain picture batch message buffer */ + ret = decres_get_resource(local_res_ctx, DECODER_RESTYPE_BATCH_MSG, + &dec_pict->batch_msginfo, TRUE); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + return ret; + + dec_pict->intra_bufinfo = &local_res_ctx->intra_bufinfo; + dec_pict->auxline_bufinfo = &local_res_ctx->auxline_bufinfo; + dec_pict->vlc_tables_bufinfo = + &local_res_ctx->vlc_tables_bufinfo[vid_std]; + dec_pict->vlc_idx_tables_bufinfo = + &local_res_ctx->vlc_idxtables_bufinfo[vid_std]; + dec_pict->start_code_bufinfo = &local_res_ctx->start_code_bufinfo; + + return IMG_SUCCESS; +} + +int dec_res_create(void *mmu_handle, struct vxd_coreprops *core_props, + unsigned int num_dec_slots, + unsigned int mem_heap_id, void **resources) +{ + struct dec_res_ctx *local_res_ctx; + int ret; + unsigned int i = 0; + struct dec_vlctable vlc_table; + enum sys_emem_attrib mem_attrib; + + VDEC_ASSERT(core_props); + VDEC_ASSERT(resources); + if (!core_props || !resources) { + pr_err("Invalid parameters"); + return IMG_ERROR_INVALID_PARAMETERS; + } + + mem_attrib = (enum sys_emem_attrib)(SYS_MEMATTRIB_UNCACHED | SYS_MEMATTRIB_WRITECOMBINE); + mem_attrib |= (enum sys_emem_attrib)SYS_MEMATTRIB_INTERNAL; + + local_res_ctx = kzalloc(sizeof(*local_res_ctx), GFP_KERNEL); + VDEC_ASSERT(local_res_ctx); + if (!local_res_ctx) + return IMG_ERROR_OUT_OF_MEMORY; + + /* Allocate Intra buffer. */ +#ifdef DEBUG_DECODER_DRIVER + pr_info("%s:%d call MMU_StreamMalloc", __func__, __LINE__); +#endif + + ret = mmu_stream_alloc(mmu_handle, MMU_HEAP_STREAM_BUFFERS, mem_heap_id, + mem_attrib, + core_props->num_pixel_pipes * + INTRA_BUF_SIZE * 3, + DEV_MMU_PAGE_ALIGNMENT, + &local_res_ctx->intra_bufinfo); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + goto error; + + /* Allocate aux line buffer. */ +#ifdef DEBUG_DECODER_DRIVER + pr_info("%s:%d call MMU_StreamMalloc", __func__, __LINE__); +#endif + ret = mmu_stream_alloc(mmu_handle, MMU_HEAP_STREAM_BUFFERS, mem_heap_id, + mem_attrib, + AUX_LINE_BUFFER_SIZE * 3 * + core_props->num_pixel_pipes, + DEV_MMU_PAGE_ALIGNMENT, + &local_res_ctx->auxline_bufinfo); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + goto error; + + /* Allocate standard-specific buffers. */ + for (i = VDEC_STD_UNDEFINED + 1; i < VDEC_STD_MAX; i++) { + decres_get_vlc_data(&vlc_table, (enum vdec_vid_std)i); + + if (vlc_table.num_tables > 0) { + /* + * Size of VLC IDX table in bytes. Has to be aligned + * to 4, so transfer to MTX succeeds. + * (VLC IDX is copied to local RAM of MTX) + */ + unsigned int vlc_idxtable_sz = + ALIGN((sizeof(unsigned short) * vlc_table.num_tables * 3), 4); + +#ifdef DEBUG_DECODER_DRIVER + pr_info(" %s:%d calling MMU_StreamMalloc", __func__, __LINE__); +#endif + + ret = mmu_stream_alloc(mmu_handle, + MMU_HEAP_STREAM_BUFFERS, + mem_heap_id, (enum sys_emem_attrib)(mem_attrib | + SYS_MEMATTRIB_CORE_READ_ONLY | + SYS_MEMATTRIB_CPU_WRITE), + sizeof(unsigned short) * vlc_table.num_entries, + DEV_MMU_PAGE_ALIGNMENT, + &local_res_ctx->vlc_tables_bufinfo[i]); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + goto error; + + if (vlc_table.data) + decres_pack_vlc_tables + (local_res_ctx->vlc_tables_bufinfo[i].cpu_virt, + vlc_table.data, + vlc_table.num_entries); + + /* VLC index table */ +#ifdef DEBUG_DECODER_DRIVER + pr_info("%s:%d calling MMU_StreamMalloc", + __func__, __LINE__); +#endif + ret = mmu_stream_alloc(mmu_handle, + MMU_HEAP_STREAM_BUFFERS, + mem_heap_id, (enum sys_emem_attrib)(mem_attrib | + SYS_MEMATTRIB_CORE_READ_ONLY | + SYS_MEMATTRIB_CPU_WRITE), + vlc_idxtable_sz, + DEV_MMU_PAGE_ALIGNMENT, + &local_res_ctx->vlc_idxtables_bufinfo[i]); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + goto error; + + if (vlc_table.index_table) + memcpy(local_res_ctx->vlc_idxtables_bufinfo[i].cpu_virt, + vlc_table.index_table, + local_res_ctx->vlc_idxtables_bufinfo[i].buf_size); + } + } + + /* Start code */ +#ifdef DEBUG_DECODER_DRIVER + pr_info("%s:%d calling MMU_StreamMalloc", __func__, __LINE__); +#endif + ret = mmu_stream_alloc(mmu_handle, MMU_HEAP_STREAM_BUFFERS, mem_heap_id, + (enum sys_emem_attrib)(mem_attrib | + SYS_MEMATTRIB_CORE_READ_ONLY | + SYS_MEMATTRIB_CPU_WRITE), + sizeof(start_code), + DEV_MMU_PAGE_ALIGNMENT, + &local_res_ctx->start_code_bufinfo); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + goto error; + + memcpy(local_res_ctx->start_code_bufinfo.cpu_virt, start_code, sizeof(start_code)); + + for (i = 0; i < DECODER_RESTYPE_MAX; i++) { + unsigned int j; + + ret = pool_api_create(&local_res_ctx->res_pool[i]); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + goto error; + + lst_init(&local_res_ctx->pool_data_list[i]); + + for (j = 0; j < num_dec_slots; j++) { + struct res_resinfo *local_res_info; + + local_res_info = kzalloc(sizeof(*local_res_info), GFP_KERNEL); + + VDEC_ASSERT(local_res_info); + if (!local_res_info) { + pr_err("Failed to allocate memory\n"); + ret = IMG_ERROR_OUT_OF_MEMORY; + goto error_local_res_info_alloc; + } + + local_res_info->ddbuf_info = kzalloc(sizeof(*local_res_info->ddbuf_info), + GFP_KERNEL); + VDEC_ASSERT(local_res_info->ddbuf_info); + if (!local_res_info->ddbuf_info) { + pr_err("Failed to allocate memory for resource buffer information structure"); + ret = IMG_ERROR_OUT_OF_MEMORY; + goto error_local_dd_buf_alloc; + } + +#ifdef DEBUG_DECODER_DRIVER + pr_info("%s:%d calling MMU_StreamMalloc", __func__, __LINE__); +#endif + ret = mmu_stream_alloc(mmu_handle, MMU_HEAP_STREAM_BUFFERS, + mem_heap_id, (enum sys_emem_attrib)(mem_attrib | + SYS_MEMATTRIB_CPU_READ | + SYS_MEMATTRIB_CPU_WRITE), + res_size[i], + DEV_MMU_PAGE_ALIGNMENT, + local_res_info->ddbuf_info); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + goto error_local_res_alloc; + + /* Register with the buffer pool */ + ret = pool_resreg(local_res_ctx->res_pool[i], + decres_fnbuf_info_destructor, + local_res_info->ddbuf_info, + sizeof(*local_res_info->ddbuf_info), + FALSE, NULL, + &local_res_info->res, mmu_handle); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + goto error_local_res_register; + + lst_add(&local_res_ctx->pool_data_list[i], + local_res_info); + continue; + +/* Roll back in case of local errors. */ +error_local_res_register: mmu_free_mem(mmu_handle, local_res_info->ddbuf_info); + +error_local_res_alloc: kfree(local_res_info->ddbuf_info); + +error_local_dd_buf_alloc: kfree(local_res_info); + +error_local_res_info_alloc: goto error; + } + } + + *resources = (void *)local_res_ctx; + + return IMG_SUCCESS; + +/* Roll back in case of errors. */ +error: dec_res_destroy(mmu_handle, (void *)local_res_ctx); + + return ret; +} + +/* + *@Function RESOURCES_Destroy + * + */ +int dec_res_destroy(void *mmudev_handle, void *res_ctx) +{ + int ret = IMG_SUCCESS; + int ret1 = IMG_SUCCESS; + unsigned int i = 0; + struct res_resinfo *local_res_info; + struct res_resinfo *next_res_info; + + struct dec_res_ctx *local_res_ctx = (struct dec_res_ctx *)res_ctx; + + if (!local_res_ctx) { + pr_err("Invalid parameters"); + return IMG_ERROR_INVALID_PARAMETERS; + } + + if (local_res_ctx->intra_bufinfo.hndl_memory) { + ret1 = mmu_free_mem(mmudev_handle, &local_res_ctx->intra_bufinfo); + VDEC_ASSERT(ret1 == IMG_SUCCESS); + if (ret1 != IMG_SUCCESS) + ret = ret1; + } + + if (local_res_ctx->auxline_bufinfo.hndl_memory) { + ret1 = mmu_free_mem(mmudev_handle, &local_res_ctx->auxline_bufinfo); + VDEC_ASSERT(ret1 == IMG_SUCCESS); + if (ret1 != IMG_SUCCESS) + ret = ret1; + } + + for (i = 0; i < VDEC_STD_MAX; i++) { + if (local_res_ctx->vlc_tables_bufinfo[i].hndl_memory) { + ret1 = mmu_free_mem(mmudev_handle, &local_res_ctx->vlc_tables_bufinfo[i]); + VDEC_ASSERT(ret1 == IMG_SUCCESS); + if (ret1 != IMG_SUCCESS) + ret = ret1; + } + + if (local_res_ctx->vlc_idxtables_bufinfo[i].hndl_memory) { + ret1 = mmu_free_mem(mmudev_handle, + &local_res_ctx->vlc_idxtables_bufinfo[i]); + VDEC_ASSERT(ret1 == IMG_SUCCESS); + if (ret1 != IMG_SUCCESS) + ret = ret1; + } + } + + if (local_res_ctx->start_code_bufinfo.hndl_memory) { + ret1 = mmu_free_mem(mmudev_handle, &local_res_ctx->start_code_bufinfo); + VDEC_ASSERT(ret1 == IMG_SUCCESS); + if (ret1 != IMG_SUCCESS) + ret = ret1; + } + + for (i = 0; i < DECODER_RESTYPE_MAX; i++) { + if (local_res_ctx->res_pool[i]) { + local_res_info = + lst_first(&local_res_ctx->pool_data_list[i]); + while (local_res_info) { + next_res_info = lst_next(local_res_info); + lst_remove(&local_res_ctx->pool_data_list[i], local_res_info); + ret1 = pool_resdestroy(local_res_info->res, TRUE); + VDEC_ASSERT(ret1 == IMG_SUCCESS); + if (ret1 != IMG_SUCCESS) + ret = ret1; + kfree(local_res_info); + local_res_info = next_res_info; + } + pool_destroy(local_res_ctx->res_pool[i]); + } + } + + kfree(local_res_ctx); + return ret; +} diff --git a/drivers/staging/media/vxd/decoder/dec_resources.h b/drivers/staging/media/vxd/decoder/dec_resources.h new file mode 100644 index 000000000000..d068ca57d147 --- /dev/null +++ b/drivers/staging/media/vxd/decoder/dec_resources.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * VXD Decoder resource allocation and destroy Interface header + * + * Copyright (c) Imagination Technologies Ltd. + * Copyright (c) 2021 Texas Instruments Incorporated - http://www.ti.com/ + * + * Authors: + * Sunita Nadampalli <sunitan@xxxxxx> + * + * Re-written for upstream + * Sidraya Jayagond <sidraya.bj@xxxxxxxxxxxxxxxxxxx> + */ + +#ifndef _DEC_RESOURCES_H_ +#define _DEC_RESOURCES_H_ + +#include "decoder.h" +#include "lst.h" + +/* + * This structure contains the core resources. + * @brief Decoder Core Resources + */ +struct dec_res_ctx { + struct vidio_ddbufinfo intra_bufinfo; + struct vidio_ddbufinfo auxline_bufinfo; + struct vidio_ddbufinfo start_code_bufinfo; + struct vidio_ddbufinfo vlc_tables_bufinfo[VDEC_STD_MAX]; + struct vidio_ddbufinfo vlc_idxtables_bufinfo[VDEC_STD_MAX]; + void *res_pool[DECODER_RESTYPE_MAX]; + struct lst_t pool_data_list[DECODER_RESTYPE_MAX]; +}; + +int dec_res_picture_detach(void **res_ctx, struct dec_decpict *dec_pict); + +int dec_res_picture_attach(void **res_ctx, enum vdec_vid_std vid_std, + struct dec_decpict *dec_pict); + +int dec_res_create(void *mmudev_handle, + struct vxd_coreprops *core_props, unsigned int num_dec_slots, + unsigned int mem_heap_id, void **resources); + +int dec_res_destroy(void *mmudev_handle, void *res_ctx); + +#endif -- 2.17.1 -- This message contains confidential information and is intended only for the individual(s) named. 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