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Message-Id: <20210818141037.19990-22-sidraya.bj@pathpartnertech.com>
Date: Wed, 18 Aug 2021 19:40:28 +0530
From: sidraya.bj@...hpartnertech.com
To: gregkh@...uxfoundation.org, linux-staging@...ts.linux.dev,
linux-kernel@...r.kernel.org
Cc: prashanth.ka@...hpartnertech.com, praneeth@...com,
mchehab@...nel.org, linux-media@...r.kernel.org,
praveen.ap@...hpartnertech.com,
Sidraya <sidraya.bj@...hpartnertech.com>
Subject: [PATCH 21/30] v4l:vxd-dec:Decoder Core Component
From: Sidraya <sidraya.bj@...hpartnertech.com>
Core component is the entry point for decoder
stack, and manages decoder state machine.
Signed-off-by: Sunita Nadampalli <sunitan@...com>
Signed-off-by: Sidraya <sidraya.bj@...hpartnertech.com>
---
MAINTAINERS | 2 +
drivers/staging/media/vxd/decoder/core.c | 3656 ++++++++++++++++++++++
drivers/staging/media/vxd/decoder/core.h | 72 +
3 files changed, 3730 insertions(+)
create mode 100644 drivers/staging/media/vxd/decoder/core.c
create mode 100644 drivers/staging/media/vxd/decoder/core.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 6dadec058ab3..41716f2916d1 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/core.c
+F: drivers/staging/media/vxd/decoder/core.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
diff --git a/drivers/staging/media/vxd/decoder/core.c b/drivers/staging/media/vxd/decoder/core.c
new file mode 100644
index 000000000000..237e7f937751
--- /dev/null
+++ b/drivers/staging/media/vxd/decoder/core.c
@@ -0,0 +1,3656 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * VXD Decoder Core component function implementations
+ *
+ * Copyright (c) Imagination Technologies Ltd.
+ * Copyright (c) 2021 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Authors:
+ * Sunita Nadampalli <sunitan@...com>
+ *
+ * Re-written for upstream
+ * Sidraya Jayagond <sidraya.bj@...hpartnertech.com>
+ * Prashanth Kumar Amai <prashanth.ka@...hpartnertech.com>
+ */
+
+#include "core.h"
+#include "decoder.h"
+#include "img_errors.h"
+#include "img_pixfmts.h"
+#include "img_profiles_levels.h"
+#include "lst.h"
+#include "resource.h"
+#include "rman_api.h"
+#include "vdecdd_utils.h"
+#include "vdec_mmu_wrapper.h"
+#include "vxd_dec.h"
+
+#ifdef HAS_HEVC
+#define SEQ_RES_NEEDED
+#define GENC_BUFF_COUNT 4
+#endif
+
+/*
+ * This enum defines resource availability masks.
+ * @brief Resource Availability
+ */
+enum core_availability {
+ CORE_AVAIL_PICTBUF = (1 << 0),
+ CORE_AVAIL_PICTRES = (1 << 1),
+ CORE_AVAIL_CORE = (1 << 2),
+ CORE_AVAIL_MAX,
+ CORE_AVAIL_FORCE32BITS = 0x7FFFFFFFU
+};
+
+struct core_mbparam_alloc_info {
+ unsigned char alloc_mbparam_bufs;
+ unsigned int mbparam_size;
+ unsigned int overalloc_mbnum;
+};
+
+static struct core_mbparam_alloc_info mbparam_allocinfo[VDEC_STD_MAX - 1] = {
+ /* AllocFlag MBParamSize Overalloc */
+ /* MPEG2 */ { TRUE, 0xc8, 0 },
+ /* MPEG4 */ { TRUE, 0xc8, 0 },
+ /* H263 */ { TRUE, 0xc8, 0 },
+ /* H264 */ { TRUE, 0x80, 0 },
+ /* VC1 */ { TRUE, 0x80, (4096 * 2) / 0x80 },
+ /* AVS */ { TRUE, 0x80, 0 },
+ /* REAL */ { TRUE, 0x80, 0 },
+ /* JPEG */ { FALSE, 0x00, 0 },
+ /* VP6 */ { TRUE, 0x80, 0 },
+ /* VP8 */ { TRUE, 0x80, 0 },
+ /* SORENSON */ { TRUE, 0xc8, 0 },
+ /* HEVC */ { TRUE, 0x40, 0 },
+};
+
+struct vxdio_mempool {
+ unsigned int mem_heap_id;
+ enum sys_emem_attrib mem_attrib;
+};
+
+static unsigned int global_avail_slots;
+static unsigned char is_core_initialized;
+
+/*
+ * This structure contains the core Context.
+ * @brief core Context
+ */
+struct core_context {
+ struct vdecdd_dddev_context *dev_ctx;
+ /* List of stream context structures */
+ struct lst_t core_str_ctx;
+ vxd_cb vxd_str_processed_cb;
+};
+
+/* Global Core Context */
+static struct core_context *global_core_ctx;
+
+/*
+ * This structure contains the picture buffer size info.
+ * @brief Picture Resource Info
+ */
+struct core_pict_bufsize_info {
+ unsigned int mbparams_bufsize;
+
+#ifdef HAS_HEVC
+ union {
+ struct hevc_bufsize_pict {
+ /* Size of GENC fragment buffer for HEVC */
+ unsigned int genc_fragment_bufsize;
+ } hevc_bufsize_pict;
+ };
+#endif
+};
+
+/*
+ * This structure contains the sequence resource info.
+ * @brief Sequence Resource Info
+ */
+struct core_seq_resinfo {
+ union {
+#ifdef HAS_HEVC
+ struct hevc_bufsize_seqres {
+ unsigned int genc_bufsize; /* Size of GEN buffers for HEVC */
+ unsigned int intra_bufsize; /* Size of GEN buffers for HEVC */
+ unsigned int aux_bufsize; /* Size of GEN buffers for HEVC */
+ } hevc_bufsize_seqres;
+#endif
+
+#ifndef SEQ_RES_NEEDED
+ unsigned int dummy;
+#endif
+ };
+};
+
+struct core_pict_resinfo {
+ unsigned int pict_res_num;
+ struct core_pict_bufsize_info size_info;
+ unsigned char is_valid;
+};
+
+/*
+ * This structure contains the standard specific part of plant context.
+ * @brief Standard Specific Context
+ */
+struct core_std_spec_context {
+ union {
+#ifdef HAS_HEVC
+ struct hevc_ctx {
+ /* Counts genc buffer allocations */
+ unsigned short genc_id_gen;
+ } hevc_ctx;
+#else
+ unsigned int dummy;
+#endif
+ };
+};
+
+struct core_stream_context;
+
+struct core_std_spec_operations {
+ /* Allocates standard specific picture buffers. */
+ int (*alloc_picture_buffers)(struct core_stream_context *core_strctx,
+ struct vdecdd_pict_resint *pict_resint,
+ struct vxdio_mempool mem_pool,
+ struct core_pict_resinfo *pict_res_info);
+
+ /* Frees standard specific picture buffers. */
+ int (*free_picture_resource)(struct core_stream_context *core_strctx,
+ struct vdecdd_pict_resint *pic_res_int);
+
+ /* Allocates standard specific sequence buffers. */
+ int (*alloc_sequence_buffers)(struct core_stream_context *core_strctx,
+ struct vdecdd_seq_resint *seq_res_int,
+ struct vxdio_mempool mem_pool,
+ struct core_seq_resinfo *seq_res_info);
+
+ /* Frees standard specific sequence buffers. */
+ int (*free_sequence_resource)(struct core_stream_context *core_strctx,
+ struct vdecdd_seq_resint *seq_res_int);
+
+ /* Returns buffer's sizes (common and standard specific). */
+ int (*bufs_get_size)(struct core_stream_context *core_strctx,
+ const struct vdec_comsequ_hdrinfo *seq_hdrinfo,
+ struct vdec_pict_size *max_pict_size,
+ struct core_pict_bufsize_info *size_info,
+ struct core_seq_resinfo *seq_resinfo,
+ unsigned char *resource_needed);
+
+ /* Checks whether resource is still suitable. */
+ unsigned char (*is_stream_resource_suitable)(struct core_pict_resinfo *pict_resinfo,
+ struct core_pict_resinfo *old_pict_resinfo,
+ struct core_seq_resinfo *seq_resinfo,
+ struct core_seq_resinfo *old_seq_resinfo);
+};
+
+/*
+ * This structure contains the core Stream Context.
+ * @brief core Stream Context
+ */
+struct core_stream_context {
+ void **link; /* to be part of single linked list */
+ struct core_context *core_ctx;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ struct vxd_dec_ctx *vxd_dec_context;
+
+ /* list of picture buffers */
+ struct lst_t pict_buf_list;
+
+ /* List of picture resources allocated for this stream */
+ struct lst_t pict_res_list;
+ struct lst_t old_pict_res_list;
+
+ struct lst_t aux_pict_res_list;
+
+#ifdef SEQ_RES_NEEDED
+ /* List of active sequence resources that are allocated for this stream. */
+ struct lst_t seq_res_list;
+ /*
+ * List of sequence resources that are allocated for this stream but no
+ * longer suitable for new sequence(s).
+ */
+ struct lst_t old_seq_res_list;
+#endif
+
+ /* List of sequence header information */
+ struct lst_t seq_hdr_list;
+ /* Queue of stream units to be processed */
+ struct lst_t str_unit_list;
+
+ struct vdec_comsequ_hdrinfo comseq_hdr_info;
+ unsigned char opcfg_set;
+ /* Picture buffer layout to use for decoding. */
+ struct vdecdd_ddpict_buf disp_pict_buf;
+ struct vdec_str_opconfig op_cfg;
+ unsigned char new_seq;
+ unsigned char new_op_cfg;
+ unsigned char no_prev_refs_used;
+ unsigned int avail_slots;
+ unsigned int res_avail;
+ unsigned char stopped;
+ struct core_pict_resinfo pict_resinfo;
+ /* Current sequence resource info. */
+ struct core_seq_resinfo seq_resinfo;
+
+ /* Reconstructed picture buffer */
+ struct vdecdd_ddpict_buf recon_pictbuf;
+ /* Coded picture size of last reconfiguration */
+ struct vdec_pict_size coded_pict_size;
+ /* Standard specific operations. */
+ struct core_std_spec_operations *std_spec_ops;
+ /* Standard specific context. */
+ struct core_std_spec_context std_spec_context;
+};
+
+#ifdef HAS_HEVC
+static int core_free_hevc_picture_resource(struct core_stream_context *core_strctx,
+ struct vdecdd_pict_resint *pic_res_int);
+
+static int core_free_hevc_sequence_resource(struct core_stream_context *core_strctx,
+ struct vdecdd_seq_resint *seq_res_int);
+
+static int core_hevc_bufs_get_size(struct core_stream_context *core_str_ctx,
+ const struct vdec_comsequ_hdrinfo *seq_hdr_info,
+ struct vdec_pict_size *max_pict_size,
+ struct core_pict_bufsize_info *size_info,
+ struct core_seq_resinfo *seq_res_info,
+ unsigned char *resource_needed);
+
+static unsigned char core_is_hevc_stream_resource_suitable
+ (struct core_pict_resinfo *pict_res_info,
+ struct core_pict_resinfo *old_pict_res_info,
+ struct core_seq_resinfo *seq_res_info,
+ struct core_seq_resinfo *old_seq_res_info);
+
+static int core_alloc_hevc_specific_seq_buffers(struct core_stream_context *core_strctx,
+ struct vdecdd_seq_resint *seq_res_int,
+ struct vxdio_mempool mempool,
+ struct core_seq_resinfo *seq_res_info);
+
+static int core_alloc_hevc_specific_pict_buffers(struct core_stream_context *core_strctx,
+ struct vdecdd_pict_resint *pict_res_int,
+ struct vxdio_mempool mempool,
+ struct core_pict_resinfo *pict_res_info);
+#endif
+
+static int
+core_common_bufs_getsize(struct core_stream_context *core_str_ctx,
+ const struct vdec_comsequ_hdrinfo *comseq_hdrinfo,
+ struct vdec_pict_size *max_pict_size,
+ struct core_pict_bufsize_info *size_info,
+ struct core_seq_resinfo *seq_res_info, unsigned char *res_needed);
+
+static struct core_std_spec_operations std_specific_ops[VDEC_STD_MAX - 1] = {
+ /* AllocPicture FreePicture AllocSeq FreeSeq BufsGetSize IsStreamResourceSuitable */
+ /* MPEG2 */ { NULL, NULL, NULL, NULL, NULL, NULL},
+ /* MPEG4 */ { NULL, NULL, NULL, NULL, NULL, NULL},
+ /* H263 */ { NULL, NULL, NULL, NULL, NULL, NULL},
+
+ /* H264 */ { NULL, NULL, NULL, NULL, core_common_bufs_getsize, NULL},
+
+ /* VC1 */ { NULL, NULL, NULL, NULL, NULL, NULL},
+
+ /* AVS */ { NULL, NULL, NULL, NULL, NULL, NULL},
+
+ /* REAL */ { NULL, NULL, NULL, NULL, NULL, NULL},
+
+ /* JPEG */ { NULL, NULL, NULL, NULL, NULL, NULL},
+
+ /* VP6 */ { NULL, NULL, NULL, NULL, NULL, NULL},
+
+ /* VP8 */ { NULL, NULL, NULL, NULL, NULL, NULL},
+
+ /* SORENSON */ { NULL, NULL, NULL, NULL, NULL, NULL},
+#ifdef HAS_HEVC
+ /* HEVC */ { core_alloc_hevc_specific_pict_buffers,
+ core_free_hevc_picture_resource,
+ core_alloc_hevc_specific_seq_buffers,
+ core_free_hevc_sequence_resource,
+ core_hevc_bufs_get_size,
+ core_is_hevc_stream_resource_suitable},
+#else
+ /* HEVC */ { NULL, NULL, NULL, NULL, NULL, NULL},
+#endif
+};
+
+#ifdef ERROR_CONCEALMENT
+/*
+ * This structure contains the Error Recovery Frame Store info.
+ * @brief Error Recovery Frame Store Info
+ */
+struct core_err_recovery_frame_info {
+ /* Flag to indicate if Error Recovery Frame Store is enabled for standard. */
+ unsigned char enabled;
+ /* Limitation for maximum frame size based on dimensions. */
+ unsigned int max_size;
+};
+
+static struct core_err_recovery_frame_info err_recovery_frame_info[VDEC_STD_MAX - 1] = {
+ /* enabled max_frame_size */
+ /* MPEG2 */ { TRUE, ~0 },
+ /* MPEG4 */ { TRUE, ~0 },
+ /* H263 */ { FALSE, 0 },
+ /* H264 */ { TRUE, ~0 },
+ /* VC1 */ { FALSE, 0 },
+ /* AVS */ { FALSE, 0 },
+ /* REAL */ { FALSE, 0 },
+ /* JPEG */ { FALSE, 0 },
+ /* VP6 */ { FALSE, 0 },
+ /* VP8 */ { FALSE, 0 },
+ /* SORENSON */ { FALSE, 0 },
+ /* HEVC */ { TRUE, ~0 },
+};
+#endif
+
+static void core_fw_response_cb(int res_str_id, unsigned int *msg, unsigned int msg_size,
+ unsigned int msg_flags)
+{
+ struct core_stream_context *core_str_ctx;
+ int ret;
+
+ /* extract core_str_ctx and dec_core_ctx from res_str_id */
+ VDEC_ASSERT(res_str_id);
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID, (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ pr_err("could not extract core_str_context\n");
+
+ ret = decoder_service_firmware_response(core_str_ctx->dd_str_ctx->dec_ctx,
+ msg, msg_size, msg_flags);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ pr_err("decoder_service_firmware_response failed\n");
+}
+
+/*
+ * @Function core_initialise
+ */
+int core_initialise(void *dev_handle, unsigned int int_heap_id, void *vxd_cb_ptr)
+{
+ struct vdecdd_dd_devconfig dev_cfg_local;
+ unsigned int num_pipes_local;
+ int ret;
+
+ if (is_core_initialized)
+ return IMG_ERROR_INVALID_PARAMETERS;
+
+ is_core_initialized = TRUE;
+
+ global_core_ctx = kzalloc(sizeof(*global_core_ctx), GFP_KERNEL);
+ if (!global_core_ctx) {
+ is_core_initialized = FALSE;
+ return IMG_ERROR_OUT_OF_MEMORY;
+ }
+
+ global_core_ctx->dev_ctx = kzalloc(sizeof(*global_core_ctx->dev_ctx), GFP_KERNEL);
+ if (!global_core_ctx->dev_ctx) {
+ kfree(global_core_ctx);
+ global_core_ctx = NULL;
+ is_core_initialized = FALSE;
+ return IMG_ERROR_OUT_OF_MEMORY;
+ }
+
+ /* Initialise device context. */
+ global_core_ctx->dev_ctx->dev_handle = dev_handle; /* v4L2 dev handle */
+ global_core_ctx->vxd_str_processed_cb = (vxd_cb)vxd_cb_ptr;
+
+ ret = decoder_initialise(global_core_ctx->dev_ctx, int_heap_id,
+ &dev_cfg_local, &num_pipes_local,
+ &global_core_ctx->dev_ctx->dec_context);
+ if (ret != IMG_SUCCESS)
+ goto decoder_init_error;
+
+ global_core_ctx->dev_ctx->internal_heap_id = int_heap_id;
+
+#ifdef DEBUG_DECODER_DRIVER
+ /* Dump codec config */
+ pr_info("Decode slots/core: %d", dev_cfg_local.num_slots_per_pipe);
+#endif
+
+ lst_init(&global_core_ctx->core_str_ctx);
+
+ /* Ensure the resource manager is initialised.. */
+ ret = rman_initialise();
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto rman_init_error;
+
+ /* Create resource bucket.. */
+ ret = rman_create_bucket(&global_core_ctx->dev_ctx->res_buck_handle);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto create_bucket_error;
+
+ return IMG_SUCCESS;
+
+create_bucket_error:
+ rman_deinitialise();
+
+rman_init_error:
+ decoder_deinitialise(global_core_ctx->dev_ctx->dec_context);
+
+decoder_init_error:
+ kfree(global_core_ctx->dev_ctx);
+ global_core_ctx->dev_ctx = NULL;
+ kfree(global_core_ctx);
+ global_core_ctx = NULL;
+
+ is_core_initialized = FALSE;
+
+ return ret;
+}
+
+/*
+ * @Function core_check_decoder_support
+ * @Description
+ * This function determines whether Decoder supports bitstream and
+ * configuration.
+ */
+static int
+core_check_decoder_support(const struct vdecdd_dddev_context *dd_dev_ctx,
+ const struct vdec_str_configdata *str_cfg_data,
+ const struct vdec_comsequ_hdrinfo *prev_seq_hdrinfo,
+ const struct bspp_pict_hdr_info *prev_pict_hdrinfo,
+ const struct vdecdd_mapbuf_info *map_bufinfo,
+ struct vdecdd_supp_check *supp_check)
+{
+ int ret;
+ struct vdec_unsupp_flags unsupported;
+ struct vdec_pict_rendinfo disp_pict_rend_info;
+
+ memset(&disp_pict_rend_info, 0, sizeof(struct vdec_pict_rendinfo));
+
+ /*
+ * If output picture buffer information is provided create another
+ * with properties required by bitstream so that it can be compared.
+ */
+ if (supp_check->disp_pictbuf) {
+ struct vdec_pict_rend_config pict_rend_cfg;
+
+ memset(&pict_rend_cfg, 0, sizeof(pict_rend_cfg));
+
+ /*
+ * Cannot validate the display picture buffer layout without
+ * knowing the pixel format required for the output and the
+ * sequence information.
+ */
+ if (supp_check->comseq_hdrinfo && supp_check->op_cfg) {
+ pict_rend_cfg.coded_pict_size =
+ supp_check->comseq_hdrinfo->max_frame_size;
+
+ pict_rend_cfg.byte_interleave =
+ supp_check->disp_pictbuf->buf_config.byte_interleave;
+
+ pict_rend_cfg.packed =
+ supp_check->disp_pictbuf->buf_config.packed;
+
+ pict_rend_cfg.stride_alignment =
+ supp_check->disp_pictbuf->buf_config.stride_alignment;
+
+ /*
+ * Recalculate render picture layout based upon
+ * sequence and output config.
+ */
+ vdecddutils_pictbuf_getinfo(str_cfg_data,
+ &pict_rend_cfg,
+ supp_check->op_cfg,
+ &disp_pict_rend_info);
+ }
+ }
+ /* Check that the decoder supports the picture. */
+ ret = decoder_check_support(dd_dev_ctx->dec_context, str_cfg_data,
+ supp_check->op_cfg,
+ supp_check->disp_pictbuf,
+ (disp_pict_rend_info.rendered_size) ?
+ &disp_pict_rend_info : NULL,
+ supp_check->comseq_hdrinfo,
+ supp_check->pict_hdrinfo,
+ prev_seq_hdrinfo,
+ prev_pict_hdrinfo,
+ supp_check->non_cfg_req,
+ &unsupported,
+ &supp_check->features);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS) {
+ if (ret == IMG_ERROR_NOT_SUPPORTED)
+ supp_check->unsupp_flags = unsupported;
+ }
+
+ return ret;
+}
+
+/*
+ * @Function core_supported_features
+ */
+int core_supported_features(struct vdec_features *features)
+{
+ struct vdecdd_dddev_context *dd_dev_ctx;
+
+ VDEC_ASSERT(global_core_ctx);
+
+ dd_dev_ctx = global_core_ctx->dev_ctx;
+ VDEC_ASSERT(dd_dev_ctx);
+ if (!dd_dev_ctx)
+ return IMG_ERROR_NOT_INITIALISED;
+
+ return decoder_supported_features(dd_dev_ctx->dec_context, features);
+}
+
+/*
+ * @Function core_stream_stop
+ */
+int core_stream_stop(unsigned int res_str_id)
+{
+ int ret = IMG_SUCCESS;
+ struct vdecdd_str_unit *stop_unit;
+ struct vdecdd_ddstr_ctx *ddstr_ctx;
+ struct core_stream_context *core_str_ctx;
+
+ /*
+ * Stream based messages without a device context
+ * must have a stream ID.
+ */
+ VDEC_ASSERT(res_str_id);
+
+ if (res_str_id == 0) {
+ pr_err("Invalid params passed to %s\n", __func__);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID,
+ (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ VDEC_ASSERT(core_str_ctx);
+
+ ddstr_ctx = core_str_ctx->dd_str_ctx;
+
+ /* Validate input arguments */
+ VDEC_ASSERT(ddstr_ctx);
+
+ /*
+ * Disregard this stop request if the stream is currently
+ * stopped or being stopped.
+ */
+ if (ddstr_ctx->dd_str_state == VDECDD_STRSTATE_PLAYING) {
+ vdecddutils_create_strunit(&stop_unit, NULL);
+ if (!stop_unit) {
+ pr_err("Failed to allocate memory for stop unit\n");
+ return IMG_ERROR_OUT_OF_MEMORY;
+ }
+ memset(stop_unit, 0, sizeof(*stop_unit));
+
+ stop_unit->str_unit_type = VDECDD_STRUNIT_STOP;
+ stop_unit->str_unit_tag = NULL;
+ stop_unit->decode = FALSE;
+
+ /*
+ * Since the stop is now to be passed to the decoder signal
+ * that we're stopping.
+ */
+ ddstr_ctx->dd_str_state = VDECDD_STRSTATE_STOPPING;
+ decoder_stream_process_unit(ddstr_ctx->dec_ctx, stop_unit);
+ core_str_ctx->stopped = TRUE;
+ vdecddutils_free_strunit(stop_unit);
+ }
+
+ return ret;
+}
+
+/*
+ * @Function core_is_stream_idle
+ */
+static unsigned char core_is_stream_idle(struct vdecdd_ddstr_ctx *dd_str_ctx)
+{
+ unsigned char is_stream_idle;
+
+ is_stream_idle = decoder_is_stream_idle(dd_str_ctx->dec_ctx);
+
+ return is_stream_idle;
+}
+
+/*
+ * @Function core_stream_destroy
+ */
+int core_stream_destroy(unsigned int res_str_id)
+{
+ struct vdecdd_ddstr_ctx *ddstr_ctx;
+ struct core_stream_context *core_str_ctx;
+ int ret;
+
+ /*
+ * Stream based messages without a device context
+ * must have a stream ID.
+ */
+ VDEC_ASSERT(res_str_id);
+
+ if (res_str_id == 0) {
+ pr_err("Invalid params passed to %s\n", __func__);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID,
+ (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ VDEC_ASSERT(core_str_ctx);
+
+ ddstr_ctx = core_str_ctx->dd_str_ctx;
+
+ /* Validate input arguments */
+ VDEC_ASSERT(ddstr_ctx);
+
+ ret = core_stream_stop(res_str_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ lst_remove(&global_core_ctx->core_str_ctx, core_str_ctx);
+
+ /* Destroy stream if idle otherwise wait and do it later */
+ if (core_is_stream_idle(ddstr_ctx))
+ rman_free_resource(ddstr_ctx->res_handle);
+
+ pr_debug("Core stream destroy successfully\n");
+ /* Return success.. */
+ return IMG_SUCCESS;
+}
+
+static int
+core_picture_attach_resources(struct core_stream_context *core_str_ctx,
+ struct vdecdd_str_unit *str_unit, unsigned char check)
+{
+ unsigned int ret = IMG_SUCCESS;
+
+ /*
+ * Take sequence header from cache.
+ * Note: sequence header id must be set in PICTURE_START unit
+ */
+ str_unit->seq_hdr_info = resource_list_getbyid(&core_str_ctx->seq_hdr_list,
+ str_unit->seq_hdr_id);
+
+ /* Check is not needed e.g. when freeing resources at stream destroy */
+ if (check && !str_unit->seq_hdr_info) {
+ pr_err("[USERSID=0x%08X] Sequence header not available for current picture while attaching",
+ core_str_ctx->dd_str_ctx->str_config_data.user_str_id);
+ ret = IMG_ERROR_NOT_SUPPORTED;
+ }
+
+ return ret;
+}
+
+/*
+ * @Function core_handle_processed_unit
+ */
+static int core_handle_processed_unit(struct core_stream_context *c_str_ctx,
+ struct vdecdd_str_unit *str_unit)
+{
+ struct bspp_bitstr_seg *bstr_seg;
+ struct vdecdd_ddstr_ctx *dd_str_ctx = c_str_ctx->dd_str_ctx;
+ int ret;
+ struct core_context *g_ctx = global_core_ctx;
+
+ pr_debug("%s stream unit type = %d\n", __func__, str_unit->str_unit_type);
+ /* check for type of the unit */
+ switch (str_unit->str_unit_type) {
+ case VDECDD_STRUNIT_SEQUENCE_START:
+ /* nothing to be done as sps is maintained till it changes */
+ break;
+
+ case VDECDD_STRUNIT_PICTURE_START:
+ /* Loop over bit stream segments.. */
+ bstr_seg = (struct bspp_bitstr_seg *)
+ lst_removehead(&str_unit->bstr_seg_list);
+
+ while (bstr_seg) {
+ lst_add(&c_str_ctx->vxd_dec_context->seg_list, bstr_seg);
+ if (bstr_seg->bstr_seg_flag & VDECDD_BSSEG_LASTINBUFF &&
+ dd_str_ctx->dd_str_state != VDECDD_STRSTATE_STOPPED) {
+ struct vdecdd_ddbuf_mapinfo *ddbuf_map_info;
+ /* Get access to map info context.. */
+ ret = rman_get_resource(bstr_seg->bufmap_id, VDECDD_BUFMAP_TYPE_ID,
+ (void **)&ddbuf_map_info, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ g_ctx->vxd_str_processed_cb(c_str_ctx->vxd_dec_context,
+ VXD_CB_STRUNIT_PROCESSED,
+ bstr_seg->bufmap_id);
+ }
+ /* Get next segment. */
+ bstr_seg = (struct bspp_bitstr_seg *)
+ lst_removehead(&str_unit->bstr_seg_list);
+ }
+ break;
+
+ case VDECDD_STRUNIT_PICTURE_END:
+ g_ctx->vxd_str_processed_cb(c_str_ctx->vxd_dec_context,
+ VXD_CB_PICT_END, 0xFFFF);
+ break;
+
+ case VDECDD_STRUNIT_STOP:
+ /*
+ * Signal that the stream has been stopped in the
+ * device driver.
+ */
+ dd_str_ctx->dd_str_state = VDECDD_STRSTATE_STOPPED;
+
+ break;
+
+ default:
+ pr_err("Invalid stream unit type passed\n");
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[SID=0x%08X] [UTYPE=0x%08X] PROCESSED",
+ dd_str_ctx->res_str_id,
+ str_unit->str_unit_type);
+#endif
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+}
+
+static int
+core_handle_decoded_picture(struct core_stream_context *core_str_ctx,
+ struct vdecdd_picture *picture, unsigned int type)
+{
+ /* Pick the client image buffer. */
+ struct vdecdd_ddbuf_mapinfo *pictbuf_mapinfo = picture->disp_pict_buf.pict_buf;
+
+ VDEC_ASSERT(pictbuf_mapinfo);
+ if (!pictbuf_mapinfo)
+ return IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE;
+
+ global_core_ctx->vxd_str_processed_cb(core_str_ctx->vxd_dec_context,
+ (enum vxd_cb_type)type, pictbuf_mapinfo->buf_map_id);
+ return IMG_SUCCESS;
+}
+
+static int core_stream_processed_cb(void *handle, int cb_type, void *cb_item)
+{
+ int ret;
+ struct core_stream_context *core_str_ctx =
+ (struct core_stream_context *)handle;
+ VDEC_ASSERT(core_str_ctx);
+ if (!core_str_ctx) {
+ pr_err("NULL handle passed to core callback\n");
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+
+ pr_debug("%s callback type = %d\n", __func__, cb_type);
+ /* Based on callback type, retrieve the item */
+ switch (cb_type) {
+ case VXD_CB_STRUNIT_PROCESSED:
+ {
+ struct vdecdd_str_unit *str_unit =
+ (struct vdecdd_str_unit *)cb_item;
+ VDEC_ASSERT(str_unit);
+ if (!str_unit) {
+ pr_err("NULL item passed to core callback type STRUNIT_PROCESSED\n");
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+ ret = core_handle_processed_unit(core_str_ctx, str_unit);
+ if (ret != IMG_SUCCESS) {
+ pr_err("core_handle_processed_unit returned error\n");
+ return ret;
+ }
+ break;
+ }
+
+ case VXD_CB_PICT_DECODED:
+ case VXD_CB_PICT_DISPLAY:
+ case VXD_CB_PICT_RELEASE:
+ {
+ struct vdecdd_picture *picture = (struct vdecdd_picture *)cb_item;
+
+ if (!picture) {
+ pr_err("NULL item passed to core callback type PICTURE_DECODED\n");
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+ ret = core_handle_decoded_picture(core_str_ctx, picture, cb_type);
+ break;
+ }
+
+ case VXD_CB_STR_END:
+ global_core_ctx->vxd_str_processed_cb(core_str_ctx->vxd_dec_context,
+ (enum vxd_cb_type)cb_type, 0);
+ ret = IMG_SUCCESS;
+
+ break;
+
+ case VXD_CB_ERROR_FATAL:
+ /*
+ * Whenever the error case occurs, we need to handle the error case.
+ * Need to forward this error to v4l2 glue layer.
+ */
+ global_core_ctx->vxd_str_processed_cb(core_str_ctx->vxd_dec_context,
+ (enum vxd_cb_type)cb_type, *((unsigned int *)cb_item));
+ ret = IMG_SUCCESS;
+ break;
+
+ default:
+ return 0;
+ }
+
+ return ret;
+}
+
+static int core_decoder_queries(void *handle, int query, void *item)
+{
+ struct core_stream_context *core_str_ctx =
+ (struct core_stream_context *)handle;
+ VDEC_ASSERT(core_str_ctx);
+ if (!core_str_ctx) {
+ pr_err("NULL handle passed to %s callback\n", __func__);
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+
+ switch (query) {
+ case DECODER_CORE_GET_RES_LIMIT:
+ {
+ unsigned int num_img_bufs;
+ unsigned int num_res;
+
+ num_img_bufs = resource_list_getnum(&core_str_ctx->pict_buf_list);
+
+ /* Return the number of internal resources. */
+ num_res = core_str_ctx->pict_resinfo.pict_res_num;
+
+ /* Return the minimum of the two. */
+ *((unsigned int *)item) = vdec_size_min(num_img_bufs, num_res);
+ }
+ break;
+
+ default:
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+ return IMG_SUCCESS;
+}
+
+static int
+core_free_common_picture_resource(struct core_stream_context *core_str_ctx,
+ struct vdecdd_pict_resint *pict_resint)
+{
+ int ret = IMG_SUCCESS;
+
+ if (pict_resint->mb_param_buf && pict_resint->mb_param_buf->ddbuf_info.hndl_memory) {
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("mmu_free for buff_id[%d]\n",
+ pict_resint->mb_param_buf->ddbuf_info.buff_id);
+#endif
+ ret = mmu_free_mem(core_str_ctx->dd_str_ctx->mmu_str_handle,
+ &pict_resint->mb_param_buf->ddbuf_info);
+ if (ret != IMG_SUCCESS)
+ pr_err("MMU_Free for MBParam buffer failed with error %u", ret);
+
+ kfree(pict_resint->mb_param_buf);
+ pict_resint->mb_param_buf = NULL;
+ }
+ return ret;
+}
+
+static int core_free_resbuf(struct vdecdd_ddbuf_mapinfo **buf_handle, void *mmu_handle)
+{
+ int ret = IMG_SUCCESS;
+ struct vdecdd_ddbuf_mapinfo *buf = *buf_handle;
+
+ if (buf) {
+ if (buf->ddbuf_info.hndl_memory) {
+ ret = mmu_free_mem(mmu_handle, &buf->ddbuf_info);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ }
+ kfree(buf);
+ *buf_handle = NULL;
+ }
+ return ret;
+}
+
+/*
+ * @Function core_free_picture_resource
+ */
+static int
+core_free_picture_resource(struct core_stream_context *core_strctx,
+ struct vdecdd_pict_resint *pict_resint)
+{
+ int result = IMG_SUCCESS;
+
+ /* Check input arguments */
+ if (!core_strctx || !pict_resint) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+
+ result = core_free_common_picture_resource(core_strctx, pict_resint);
+
+ VDEC_ASSERT(core_strctx->std_spec_ops);
+ if (core_strctx->std_spec_ops->free_picture_resource)
+ core_strctx->std_spec_ops->free_picture_resource(core_strctx,
+ pict_resint);
+
+#ifdef SEQ_RES_NEEDED
+ if (pict_resint->seq_resint) {
+ resource_item_return(&pict_resint->seq_resint->ref_count);
+ pict_resint->seq_resint = 0;
+ }
+#endif
+
+ if (result == IMG_SUCCESS)
+ kfree(pict_resint);
+
+ return result;
+}
+
+/*
+ * @Function core_free_sequence_resource
+ */
+#ifdef SEQ_RES_NEEDED
+static int
+core_free_common_sequence_resource(struct core_stream_context *core_strctx,
+ struct vdecdd_seq_resint *seqres_int)
+{
+ int result;
+
+ result = core_free_resbuf(&seqres_int->err_pict_buf,
+ core_strctx->dd_str_ctx->mmu_str_handle);
+ if (result != IMG_SUCCESS)
+ pr_err("MMU_Free for Error Recover Frame Store buffer failed with error %u",
+ result);
+
+ return result;
+}
+
+static void
+core_free_sequence_resource(struct core_stream_context *core_strctx,
+ struct vdecdd_seq_resint *seqres_int)
+{
+ VDEC_ASSERT(core_strctx->std_spec_ops);
+ core_free_common_sequence_resource(core_strctx, seqres_int);
+
+ if (core_strctx->std_spec_ops->free_sequence_resource)
+ core_strctx->std_spec_ops->free_sequence_resource(core_strctx, seqres_int);
+
+ kfree(seqres_int);
+}
+#endif
+
+/*
+ * @Function core_stream_resource_deprecate
+ */
+static int core_stream_resource_deprecate(struct core_stream_context *core_str_ctx)
+{
+ struct vdecdd_pict_resint *picres_int;
+ int ret;
+
+ /* Free all "old" picture resources since these should now be unused. */
+ picres_int = lst_first(&core_str_ctx->old_pict_res_list);
+ while (picres_int) {
+ if (picres_int->ref_cnt != 0) {
+ pr_warn("[USERSID=0x%08X] Internal resource should be unused since it has been deprecated before",
+ core_str_ctx->dd_str_ctx->str_config_data.user_str_id);
+
+ picres_int = lst_next(picres_int);
+ } else {
+ struct vdecdd_pict_resint *picres_int_to_remove = picres_int;
+
+ picres_int = lst_next(picres_int);
+
+ lst_remove(&core_str_ctx->old_pict_res_list, picres_int_to_remove);
+ ret = core_free_picture_resource(core_str_ctx, picres_int_to_remove);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+ }
+
+ /* Move all "active" picture resources to the "old" list if they are still in use. */
+ picres_int = lst_removehead(&core_str_ctx->pict_res_list);
+ while (picres_int) {
+ /* Remove picture resource from the list. */
+ ret = resource_list_remove(&core_str_ctx->aux_pict_res_list, picres_int);
+
+ /* IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE is a valid return code
+ * e.g. during reconfigure we are clearing the sPictBufferList list
+ * and then try to remove the buffers again from the same list (empty now)
+ * though core UNMAP_BUF messages
+ */
+ if (ret != IMG_SUCCESS && ret != IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE) {
+ pr_err("[USERSID=0x%08X] Failed to remove picture resource",
+ core_str_ctx->dd_str_ctx->str_config_data.user_str_id);
+ return ret;
+ }
+ /*
+ * If the active resource is not being used, free now.
+ * Otherwise add to the old list to be freed later.
+ */
+ if (picres_int->ref_cnt == 0) {
+ ret = core_free_picture_resource(core_str_ctx, picres_int);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ } else {
+ lst_add(&core_str_ctx->old_pict_res_list, picres_int);
+ }
+ picres_int = lst_removehead(&core_str_ctx->pict_res_list);
+ }
+
+ /* Reset the resource configuration. */
+ memset(&core_str_ctx->pict_resinfo, 0, sizeof(core_str_ctx->pict_resinfo));
+
+#ifdef SEQ_RES_NEEDED
+ {
+ struct vdecdd_seq_resint *seqres_int;
+
+ /* Free all "old" sequence resources since these should now be unused. */
+ seqres_int = lst_first(&core_str_ctx->old_seq_res_list);
+ while (seqres_int) {
+ if (seqres_int->ref_count != 0) {
+ pr_warn("[USERSID=0x%08X] Internal sequence resource should be unused since it has been deprecated before",
+ core_str_ctx->dd_str_ctx->str_config_data.user_str_id);
+ seqres_int = lst_next(seqres_int);
+ } else {
+ struct vdecdd_seq_resint *seqres_int_to_remove = seqres_int;
+
+ seqres_int = lst_next(seqres_int);
+
+ lst_remove(&core_str_ctx->old_seq_res_list, seqres_int_to_remove);
+ core_free_sequence_resource(core_str_ctx, seqres_int_to_remove);
+ }
+ }
+
+ /* Move all "active" sequence resources to the "old"
+ * list if they are still in use.
+ */
+ seqres_int = lst_removehead(&core_str_ctx->seq_res_list);
+ while (seqres_int) {
+ /*
+ * If the active resource is not being used, free now.
+ * Otherwise add to the old list to be freed later.
+ */
+ seqres_int->ref_count == 0 ? core_free_sequence_resource(core_str_ctx,
+ seqres_int) :
+ lst_add(&core_str_ctx->old_seq_res_list, seqres_int);
+
+ seqres_int = lst_removehead(&core_str_ctx->seq_res_list);
+ }
+
+ /* Reset the resource configuration. */
+ memset(&core_str_ctx->seq_resinfo, 0, sizeof(core_str_ctx->seq_resinfo));
+ }
+#endif
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_stream_resource_destroy
+ */
+static int core_stream_resource_destroy(struct core_stream_context *core_str_ctx)
+{
+ struct vdecdd_pict_resint *picres_int;
+ int ret;
+
+ /* Remove any "active" picture resources allocated for this stream. */
+ picres_int = lst_removehead(&core_str_ctx->pict_res_list);
+ while (picres_int) {
+ ret = core_free_picture_resource(core_str_ctx, picres_int);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ picres_int = lst_removehead(&core_str_ctx->pict_res_list);
+ }
+
+ /* Remove any "old" picture resources allocated for this stream. */
+ picres_int = lst_removehead(&core_str_ctx->old_pict_res_list);
+ while (picres_int) {
+ ret = core_free_picture_resource(core_str_ctx, picres_int);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ picres_int = lst_removehead(&core_str_ctx->old_pict_res_list);
+ }
+
+ /* Reset the resource configuration. */
+ memset(&core_str_ctx->pict_resinfo, 0, sizeof(core_str_ctx->pict_resinfo));
+
+#ifdef SEQ_RES_NEEDED
+ {
+ struct vdecdd_seq_resint *seqres_int;
+
+ /* Remove any "active" sequence resources allocated for this stream. */
+ seqres_int = lst_removehead(&core_str_ctx->seq_res_list);
+ while (seqres_int) {
+ core_free_sequence_resource(core_str_ctx, seqres_int);
+ seqres_int = lst_removehead(&core_str_ctx->seq_res_list);
+ }
+
+ /* Remove any "old" sequence resources allocated for this stream. */
+ seqres_int = lst_removehead(&core_str_ctx->old_seq_res_list);
+ while (seqres_int) {
+ core_free_sequence_resource(core_str_ctx, seqres_int);
+ seqres_int = lst_removehead(&core_str_ctx->old_seq_res_list);
+ }
+
+ /* Reset the resource configuration. */
+ memset(&core_str_ctx->seq_resinfo, 0, sizeof(core_str_ctx->seq_resinfo));
+ }
+#endif
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_fn_free_stream_unit
+ */
+static int core_fn_free_stream_unit(struct vdecdd_str_unit *str_unit, void *param)
+{
+ struct core_stream_context *core_str_ctx = (struct core_stream_context *)param;
+ unsigned int ret = IMG_SUCCESS;
+
+ /* Attach picture resources where required. */
+ if (str_unit->str_unit_type == VDECDD_STRUNIT_PICTURE_START)
+ /*
+ * Do not force attachment because the resources can be
+ * unattached yet, e.g. in case of not yet processed picture
+ * units
+ */
+ ret = core_picture_attach_resources(core_str_ctx, str_unit, FALSE);
+
+ str_unit->decode = FALSE;
+
+ return ret;
+}
+
+/*
+ * @Function core_fn_free_stream
+ */
+static void core_fn_free_stream(void *param)
+{
+ int ret;
+ struct vdecdd_ddstr_ctx *dd_str_context;
+ struct vdecdd_dddev_context *dd_dev_ctx;
+ struct core_stream_context *core_str_ctx;
+
+ /* Validate input arguments */
+ VDEC_ASSERT(param);
+
+ core_str_ctx = (struct core_stream_context *)param;
+
+ dd_str_context = core_str_ctx->dd_str_ctx;
+
+ VDEC_ASSERT(dd_str_context);
+ if (!dd_str_context)
+ return;
+
+ dd_dev_ctx = dd_str_context->dd_dev_context;
+ VDEC_ASSERT(dd_dev_ctx);
+
+ if (!lst_empty(&core_str_ctx->str_unit_list)) {
+ /*
+ * Try and empty the list. Since this function is tearing down the core stream,
+ * test result using assert and continue to tidy-up as much as possible.
+ */
+ ret = resource_list_empty(&core_str_ctx->str_unit_list, FALSE,
+ (resource_pfn_freeitem)core_fn_free_stream_unit,
+ core_str_ctx);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ }
+
+ if (!lst_empty(&core_str_ctx->pict_buf_list)) {
+ /*
+ * Try and empty the list. Since this function is tearing down the core stream,
+ * test result using assert and continue to tidy-up as much as possible.
+ */
+ ret = resource_list_empty(&core_str_ctx->pict_buf_list, TRUE, NULL, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ }
+
+ if (!lst_empty(&core_str_ctx->aux_pict_res_list)) {
+ /*
+ * Try and empty the list. Since this function is tearing down the core stream,
+ * test result using assert and continue to tidy-up as much as possible.
+ */
+ ret = resource_list_empty(&core_str_ctx->aux_pict_res_list, TRUE, NULL, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ }
+
+ if (!lst_empty(&core_str_ctx->seq_hdr_list)) {
+ /*
+ * Try and empty the list. Since this function is tearing down the core stream,
+ * test result using assert and continue to tidy-up as much as possible.
+ */
+ ret = resource_list_empty(&core_str_ctx->seq_hdr_list, FALSE, NULL, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ }
+
+ /* Destroy stream in the Decoder. */
+ if (dd_str_context->dec_ctx) {
+ ret = decoder_stream_destroy(dd_str_context->dec_ctx, FALSE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ dd_str_context->dec_ctx = NULL;
+ }
+
+ core_stream_resource_destroy(core_str_ctx);
+
+ /* Destroy the MMU context for this stream. */
+ if (dd_str_context->mmu_str_handle) {
+ ret = mmu_stream_destroy(dd_str_context->mmu_str_handle);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ dd_str_context->mmu_str_handle = NULL;
+ }
+
+ /* Destroy the stream resources. */
+ if (dd_str_context->res_buck_handle) {
+ rman_destroy_bucket(dd_str_context->res_buck_handle);
+ dd_str_context->res_buck_handle = NULL;
+ }
+
+ /* Free stream context. */
+ kfree(dd_str_context);
+
+ /* Free the stream context. */
+ kfree(core_str_ctx);
+}
+
+/*
+ * @Function core_is_unsupported
+ */
+static unsigned char core_is_unsupported(struct vdec_unsupp_flags *unsupp_flags)
+{
+ unsigned char unsupported = FALSE;
+
+ if (unsupp_flags->str_cfg || unsupp_flags->seq_hdr ||
+ unsupp_flags->pict_hdr || unsupp_flags->str_opcfg ||
+ unsupp_flags->op_bufcfg)
+ unsupported = TRUE;
+
+ return unsupported;
+}
+
+int core_stream_create(void *vxd_dec_ctx_arg,
+ const struct vdec_str_configdata *str_cfg_data,
+ unsigned int *res_str_id)
+{
+ int ret;
+ struct vdecdd_ddstr_ctx *dd_str_context;
+ struct vdecdd_supp_check supp_check;
+ struct vdecdd_dddev_context *dd_dev_ctx;
+ struct core_stream_context *core_str_ctx;
+
+ /* Validate input arguments */
+ VDEC_ASSERT(str_cfg_data);
+ VDEC_ASSERT(res_str_id);
+
+ VDEC_ASSERT(global_core_ctx);
+ dd_dev_ctx = global_core_ctx->dev_ctx;
+
+ VDEC_ASSERT(dd_dev_ctx);
+ if (!dd_dev_ctx)
+ return IMG_ERROR_NOT_INITIALISED;
+
+ /* Allocate Core Stream Context */
+ core_str_ctx = kzalloc(sizeof(*core_str_ctx), GFP_KERNEL);
+ if (!core_str_ctx)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ core_str_ctx->core_ctx = global_core_ctx;
+ core_str_ctx->vxd_dec_context = (struct vxd_dec_ctx *)vxd_dec_ctx_arg;
+ /* register callback for firmware response */
+ core_str_ctx->vxd_dec_context->cb = (decode_cb)core_fw_response_cb;
+
+ lst_init(&core_str_ctx->pict_buf_list);
+ lst_init(&core_str_ctx->pict_res_list);
+ lst_init(&core_str_ctx->old_pict_res_list);
+ lst_init(&core_str_ctx->aux_pict_res_list);
+ lst_init(&core_str_ctx->seq_hdr_list);
+ lst_init(&core_str_ctx->str_unit_list);
+
+#ifdef SEQ_RES_NEEDED
+ lst_init(&core_str_ctx->seq_res_list);
+ lst_init(&core_str_ctx->old_seq_res_list);
+#endif
+
+ /* Allocate device stream context.. */
+ dd_str_context = kzalloc(sizeof(*dd_str_context), GFP_KERNEL);
+ VDEC_ASSERT(dd_str_context);
+ if (!dd_str_context) {
+ kfree(core_str_ctx);
+ core_str_ctx = NULL;
+ return IMG_ERROR_OUT_OF_MEMORY;
+ }
+
+ dd_str_context->dd_dev_context = dd_dev_ctx;
+ core_str_ctx->dd_str_ctx = dd_str_context;
+
+ /* Check stream configuration. */
+ memset(&supp_check, 0x0, sizeof(supp_check));
+ ret = core_check_decoder_support(dd_dev_ctx, str_cfg_data, NULL, NULL, NULL, &supp_check);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ if (core_is_unsupported(&supp_check.unsupp_flags)) {
+ ret = IMG_ERROR_NOT_SUPPORTED;
+ goto error;
+ }
+
+ /* Create a bucket for the resources.. */
+ ret = rman_create_bucket(&dd_str_context->res_buck_handle);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ /* Register the stream as a device resource.. */
+ ret = rman_register_resource(dd_dev_ctx->res_buck_handle,
+ VDECDD_STREAM_TYPE_ID,
+ core_fn_free_stream, core_str_ctx,
+ &dd_str_context->res_handle,
+ &dd_str_context->res_str_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ /* Create unique Stream Id */
+ dd_str_context->km_str_id = core_str_ctx->vxd_dec_context->stream.id;
+
+ /*
+ * Create stream in the Decoder.
+ * NOTE: this must take place first since it creates the MMU context.
+ */
+ ret = decoder_stream_create(dd_dev_ctx->dec_context, *str_cfg_data,
+ dd_str_context->km_str_id,
+ &dd_str_context->mmu_str_handle,
+ core_str_ctx->vxd_dec_context,
+ core_str_ctx, &dd_str_context->dec_ctx,
+ (void *)core_stream_processed_cb,
+ (void *)core_decoder_queries);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ /* Setup stream context.. */
+ dd_str_context->str_config_data = *str_cfg_data;
+ dd_str_context->dd_str_state = VDECDD_STRSTATE_STOPPED;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[SID=0x%08X] New stream created [USERSID=0x%08X]",
+ dd_str_context->res_str_id, str_cfg_data->user_str_id);
+#endif
+
+ *res_str_id = dd_str_context->res_str_id;
+ if (str_cfg_data->vid_std > 0 && str_cfg_data->vid_std <= VDEC_STD_MAX) {
+ core_str_ctx->std_spec_ops = &std_specific_ops[str_cfg_data->vid_std - 1];
+ } else {
+ pr_err("%s: Invalid parameters\n", __func__);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ lst_add(&global_core_ctx->core_str_ctx, core_str_ctx);
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+
+error:
+ if (dd_str_context->res_handle)
+ rman_free_resource(dd_str_context->res_handle);
+ else
+ core_fn_free_stream(core_str_ctx);
+
+ return ret;
+}
+
+static int
+core_get_resource_availability(struct core_stream_context *core_str_ctx)
+{
+ unsigned int avail = ~0;
+
+ if (resource_list_getnumavail(&core_str_ctx->pict_buf_list) == 0)
+ avail &= ~CORE_AVAIL_PICTBUF;
+
+ if (resource_list_getnumavail(&core_str_ctx->aux_pict_res_list) == 0)
+ avail &= ~CORE_AVAIL_PICTRES;
+
+ if (global_avail_slots == 0)
+ avail &= ~CORE_AVAIL_CORE;
+
+ return avail;
+}
+
+static int
+core_stream_set_pictbuf_config(struct vdecdd_ddstr_ctx *dd_str_ctx,
+ struct vdec_pict_bufconfig *pictbuf_cfg)
+{
+ int ret;
+
+ /* Validate input arguments */
+ VDEC_ASSERT(dd_str_ctx);
+ VDEC_ASSERT(pictbuf_cfg);
+
+ /*
+ * If there are no buffers mapped or the configuration is not set
+ * (only done when reconfiguring output) then calculate the output
+ * picture buffer layout.
+ */
+ if (dd_str_ctx->map_buf_info.num_buf == 0 ||
+ dd_str_ctx->disp_pict_buf.buf_config.buf_size == 0) {
+ struct vdecdd_supp_check supp_check;
+ struct vdecdd_ddpict_buf disp_pictbuf;
+
+ memset(&disp_pictbuf, 0, sizeof(disp_pictbuf));
+
+ disp_pictbuf.buf_config = *pictbuf_cfg;
+
+ /*
+ * Ensure that the external picture buffer information
+ * is compatible with the hardware and convert to internal
+ * driver representation.
+ */
+ ret = vdecddutils_convert_buffer_config(&dd_str_ctx->str_config_data,
+ &disp_pictbuf.buf_config,
+ &disp_pictbuf.rend_info);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ /*
+ * Provide the current state for validation against the new
+ * buffer configuration.
+ */
+ memset(&supp_check, 0, sizeof(supp_check));
+ supp_check.disp_pictbuf = &disp_pictbuf;
+
+ if (dd_str_ctx->comseq_hdr_info.max_frame_size.width)
+ supp_check.comseq_hdrinfo = &dd_str_ctx->comseq_hdr_info;
+
+ if (dd_str_ctx->str_op_configured)
+ supp_check.op_cfg = &dd_str_ctx->opconfig;
+
+ ret = core_check_decoder_support(dd_str_ctx->dd_dev_context,
+ &dd_str_ctx->str_config_data,
+ &dd_str_ctx->prev_comseq_hdr_info,
+ &dd_str_ctx->prev_pict_hdr_info,
+ &dd_str_ctx->map_buf_info,
+ &supp_check);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ if (core_is_unsupported(&supp_check.unsupp_flags)) {
+ ret = IMG_ERROR_NOT_SUPPORTED;
+ goto error;
+ }
+
+ dd_str_ctx->disp_pict_buf = disp_pictbuf;
+ } else {
+ /*
+ * Check configuration of buffer matches that for stream
+ * including any picture buffers that are already mapped.
+ */
+ if (memcmp(pictbuf_cfg, &dd_str_ctx->disp_pict_buf.buf_config,
+ sizeof(*pictbuf_cfg))) {
+ /*
+ * Configuration of output buffer doesn't match the
+ * rest.
+ */
+ pr_err("[SID=0x%08X] All output buffers must have the same properties.",
+ dd_str_ctx->res_str_id);
+ ret = IMG_ERROR_INVALID_PARAMETERS;
+ goto error;
+ }
+ }
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+
+error:
+ return ret;
+}
+
+int
+core_stream_set_output_config(unsigned int res_str_id,
+ struct vdec_str_opconfig *str_opcfg,
+ struct vdec_pict_bufconfig *pict_bufcfg_handle)
+{
+ struct vdecdd_supp_check supp_check;
+ struct vdec_pict_bufconfig pict_buf_cfg;
+ struct vdec_pict_rendinfo disp_pict_rend_info;
+ int ret;
+
+ struct vdecdd_ddstr_ctx *dd_str_context;
+ struct core_stream_context *core_str_ctx;
+
+ /*
+ * Stream based messages without a device context
+ * must have a stream ID.
+ */
+ VDEC_ASSERT(res_str_id);
+
+ /* Get access to stream context */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID, (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_context = core_str_ctx->dd_str_ctx;
+
+ VDEC_ASSERT(dd_str_context);
+ VDEC_ASSERT(str_opcfg);
+
+ memset(&supp_check, 0, sizeof(supp_check));
+ if (core_str_ctx->new_seq)
+ supp_check.comseq_hdrinfo = &dd_str_context->comseq_hdr_info;
+ else
+ supp_check.comseq_hdrinfo = NULL;
+
+ supp_check.op_cfg = str_opcfg;
+
+ /*
+ * Validate stream output configuration against display
+ * buffer properties if no new picture buffer configuration
+ * is provided.
+ */
+ if (!pict_bufcfg_handle) {
+ VDEC_ASSERT(dd_str_context->disp_pict_buf.rend_info.rendered_size);
+ supp_check.disp_pictbuf = &dd_str_context->disp_pict_buf;
+ }
+
+ /* Validate output configuration. */
+ ret = core_check_decoder_support(dd_str_context->dd_dev_context,
+ &dd_str_context->str_config_data,
+ &dd_str_context->prev_comseq_hdr_info,
+ &dd_str_context->prev_pict_hdr_info,
+ &dd_str_context->map_buf_info,
+ &supp_check);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return IMG_SUCCESS;
+
+ if (core_is_unsupported(&supp_check.unsupp_flags))
+ return IMG_ERROR_NOT_SUPPORTED;
+
+ /* Update the stream output configuration. */
+ dd_str_context->opconfig = *str_opcfg;
+
+ /* Mark output as configured. */
+ dd_str_context->str_op_configured = TRUE;
+
+ if (pict_bufcfg_handle) {
+ /*
+ * Clear/invalidate the latest picture buffer configuration
+ * since it is easier to reuse the set function to calculate
+ * for this new output configuration than to determine
+ * compatibility. Keep a copy beforehand just in case the new
+ * configuration is invalid.
+ */
+ if (dd_str_context->disp_pict_buf.rend_info.rendered_size != 0) {
+ pict_buf_cfg = dd_str_context->disp_pict_buf.buf_config;
+ disp_pict_rend_info = dd_str_context->disp_pict_buf.rend_info;
+
+ memset(&dd_str_context->disp_pict_buf.buf_config, 0,
+ sizeof(dd_str_context->disp_pict_buf.buf_config));
+ memset(&dd_str_context->disp_pict_buf.rend_info, 0,
+ sizeof(dd_str_context->disp_pict_buf.rend_info));
+ }
+
+ /*
+ * Recalculate the picture buffer internal layout from the
+ * externalconfiguration. These settings provided by the
+ * allocator should be adhered to since the display process
+ * will expect the decoder to use them.
+ * If the configuration is invalid we need to leave the
+ * decoder state as it was before.
+ */
+ ret = core_stream_set_pictbuf_config(dd_str_context, pict_bufcfg_handle);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS && dd_str_context->disp_pict_buf.rend_info.rendered_size
+ != 0) {
+ /* Restore old picture buffer configuration */
+ dd_str_context->disp_pict_buf.buf_config =
+ pict_buf_cfg;
+ dd_str_context->disp_pict_buf.rend_info =
+ disp_pict_rend_info;
+ return ret;
+ }
+ } else if (core_is_unsupported(&supp_check.unsupp_flags)) {
+ return IMG_ERROR_NOT_SUPPORTED;
+ }
+
+ /* Return success.. */
+ return ret;
+}
+
+/*
+ * @Function core_stream_play
+ */
+int core_stream_play(unsigned int res_str_id)
+{
+ int ret;
+ struct vdecdd_ddstr_ctx *dd_str_context;
+ struct core_stream_context *core_str_ctx;
+ /* Picture buffer layout to use for decoding. */
+ struct vdecdd_ddpict_buf *disp_pict_buf;
+ struct vdec_str_opconfig *op_cfg;
+ struct vdecdd_supp_check supp_check;
+
+ /*
+ * Stream based messages without a device context
+ * must have a stream ID.
+ */
+ VDEC_ASSERT(res_str_id);
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID,
+ (void **)&core_str_ctx, NULL);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_context = core_str_ctx->dd_str_ctx;
+
+ VDEC_ASSERT(dd_str_context);
+
+ /* Ensure we are stopped. */
+ VDEC_ASSERT(dd_str_context->dd_str_state == VDECDD_STRSTATE_STOPPED);
+
+ /* Set "playing". */
+ dd_str_context->dd_str_state = VDECDD_STRSTATE_PLAYING;
+
+ /* set that is it not yet in closed GOP */
+ core_str_ctx->no_prev_refs_used = TRUE;
+
+ disp_pict_buf = dd_str_context->disp_pict_buf.rend_info.rendered_size ?
+ &dd_str_context->disp_pict_buf : NULL;
+ op_cfg = dd_str_context->str_op_configured ?
+ &dd_str_context->opconfig : NULL;
+
+ if (disp_pict_buf && op_cfg) {
+ VDEC_ASSERT(!disp_pict_buf->pict_buf);
+
+ if (memcmp(&core_str_ctx->op_cfg, op_cfg,
+ sizeof(core_str_ctx->op_cfg)) ||
+ memcmp(&core_str_ctx->disp_pict_buf, disp_pict_buf,
+ sizeof(core_str_ctx->disp_pict_buf)))
+ core_str_ctx->new_op_cfg = TRUE;
+
+ core_str_ctx->disp_pict_buf = *disp_pict_buf;
+ core_str_ctx->op_cfg = *op_cfg;
+
+ core_str_ctx->opcfg_set = TRUE;
+ } else {
+ core_str_ctx->opcfg_set = FALSE;
+ /* Must not be decoding without output configuration */
+ VDEC_ASSERT(0);
+ }
+
+ memset(&supp_check, 0, sizeof(supp_check));
+
+ if (vdec_size_nz(core_str_ctx->comseq_hdr_info.max_frame_size))
+ supp_check.comseq_hdrinfo = &core_str_ctx->comseq_hdr_info;
+
+ if (core_str_ctx->opcfg_set) {
+ supp_check.op_cfg = &core_str_ctx->op_cfg;
+ supp_check.disp_pictbuf = &core_str_ctx->disp_pict_buf;
+ }
+ supp_check.non_cfg_req = TRUE;
+ ret = core_check_decoder_support(dd_str_context->dd_dev_context,
+ &dd_str_context->str_config_data,
+ &dd_str_context->prev_comseq_hdr_info,
+ &dd_str_context->prev_pict_hdr_info,
+ &dd_str_context->map_buf_info,
+ &supp_check);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_deinitialise
+ */
+int core_deinitialise(void)
+{
+ struct vdecdd_dddev_context *dd_dev_ctx;
+ int ret;
+
+ dd_dev_ctx = global_core_ctx->dev_ctx;
+ VDEC_ASSERT(dd_dev_ctx);
+ if (!dd_dev_ctx)
+ return IMG_ERROR_NOT_INITIALISED;
+
+ ret = decoder_deinitialise(dd_dev_ctx->dec_context);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+
+ /* Free context resources.. */
+ rman_destroy_bucket(dd_dev_ctx->res_buck_handle);
+
+ rman_deinitialise();
+
+ kfree(dd_dev_ctx);
+
+ global_core_ctx->dev_ctx = NULL;
+
+ kfree(global_core_ctx);
+ global_core_ctx = NULL;
+
+ is_core_initialized = FALSE;
+
+ pr_debug("Core deinitialise successfully\n");
+ return IMG_SUCCESS;
+}
+
+static int core_get_mb_num(unsigned int width, unsigned int height)
+{
+ /*
+ * Calculate the number of MBs needed for current video
+ * sequence settings.
+ */
+ unsigned int width_mb = ALIGN(width, VDEC_MB_DIMENSION) / VDEC_MB_DIMENSION;
+ unsigned int height_mb = ALIGN(height, 2 * VDEC_MB_DIMENSION) / VDEC_MB_DIMENSION;
+
+ return width_mb * height_mb;
+}
+
+static int core_common_bufs_getsize(struct core_stream_context *core_str_ctx,
+ const struct vdec_comsequ_hdrinfo *comseq_hdrinfo,
+ struct vdec_pict_size *max_pict_size,
+ struct core_pict_bufsize_info *size_info,
+ struct core_seq_resinfo *seq_res_info,
+ unsigned char *res_needed)
+{
+ enum vdec_vid_std vid_std = core_str_ctx->dd_str_ctx->str_config_data.vid_std;
+ unsigned int std_idx = vid_std - 1;
+ unsigned int mb_num = 0;
+
+ if (core_str_ctx->dd_str_ctx->str_config_data.vid_std >= VDEC_STD_MAX)
+ return IMG_ERROR_GENERIC_FAILURE;
+
+ /* Reset the MB parameters buffer size. */
+ size_info->mbparams_bufsize = 0;
+
+ if (mbparam_allocinfo[std_idx].alloc_mbparam_bufs) {
+ *res_needed = TRUE;
+
+ /*
+ * Calculate the number of MBs needed for current video
+ * sequence settings.
+ */
+ mb_num = core_get_mb_num(max_pict_size->width, max_pict_size->height);
+
+ /* Calculate the final number of MBs needed. */
+ mb_num += mbparam_allocinfo[std_idx].overalloc_mbnum;
+
+ /* Calculate the MB params buffer size. */
+ size_info->mbparams_bufsize = mb_num * mbparam_allocinfo[std_idx].mbparam_size;
+
+ /* Adjust the buffer size for MSVDX. */
+ vdecddutils_buf_vxd_adjust_size(&size_info->mbparams_bufsize);
+
+ if (comseq_hdrinfo->separate_chroma_planes)
+ size_info->mbparams_bufsize *= 3;
+ }
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_pict_res_getinfo
+ */
+static int
+core_pict_res_getinfo(struct core_stream_context *core_str_ctx,
+ const struct vdec_comsequ_hdrinfo *comseq_hdrinfo,
+ const struct vdec_str_opconfig *op_cfg,
+ const struct vdecdd_ddpict_buf *disp_pictbuf,
+ struct core_pict_resinfo *pict_resinfo,
+ struct core_seq_resinfo *seq_resinfo)
+{
+ struct vdec_pict_size coded_pict_size;
+ struct dec_ctx *decctx;
+ unsigned char res_needed = FALSE;
+ int ret;
+
+ /* Reset the picture resource info. */
+ memset(pict_resinfo, 0, sizeof(*pict_resinfo));
+
+ coded_pict_size = comseq_hdrinfo->max_frame_size;
+
+ VDEC_ASSERT(core_str_ctx->std_spec_ops);
+ if (core_str_ctx->std_spec_ops->bufs_get_size)
+ core_str_ctx->std_spec_ops->bufs_get_size(core_str_ctx, comseq_hdrinfo,
+ &coded_pict_size,
+ &pict_resinfo->size_info, seq_resinfo, &res_needed);
+
+ /* If any picture resources are needed... */
+ if (res_needed) {
+ /* Get the number of resources required. */
+ ret = vdecddutils_get_minrequired_numpicts
+ (&core_str_ctx->dd_str_ctx->str_config_data,
+ comseq_hdrinfo, op_cfg,
+ &pict_resinfo->pict_res_num);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ decctx = (struct dec_ctx *)global_core_ctx->dev_ctx->dec_context;
+
+ if (core_str_ctx->dd_str_ctx->str_config_data.vid_std == VDEC_STD_HEVC)
+ pict_resinfo->pict_res_num += decctx->dev_cfg->num_slots_per_pipe - 1;
+ else
+ pict_resinfo->pict_res_num +=
+ decctx->num_pipes * decctx->dev_cfg->num_slots_per_pipe - 1;
+ }
+
+ return IMG_SUCCESS;
+}
+
+static int core_alloc_resbuf(struct vdecdd_ddbuf_mapinfo **buf_handle,
+ unsigned int size, void *mmu_handle,
+ struct vxdio_mempool mem_pool)
+{
+ int ret;
+ struct vdecdd_ddbuf_mapinfo *buf;
+
+ *buf_handle = kzalloc(sizeof(**buf_handle), GFP_KERNEL);
+ buf = *buf_handle;
+ VDEC_ASSERT(buf);
+ if (buf) {
+ buf->mmuheap_id = MMU_HEAP_STREAM_BUFFERS;
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("%s:%d calling MMU_StreamMalloc", __func__, __LINE__);
+#endif
+ ret = mmu_stream_alloc(mmu_handle, buf->mmuheap_id,
+ mem_pool.mem_heap_id,
+ mem_pool.mem_attrib, size,
+ DEV_MMU_PAGE_SIZE,
+ &buf->ddbuf_info);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ ret = IMG_ERROR_OUT_OF_MEMORY;
+ } else {
+ ret = IMG_ERROR_OUT_OF_MEMORY;
+ }
+ return ret;
+}
+
+#ifdef SEQ_RES_NEEDED
+static int core_alloc_common_sequence_buffers(struct core_stream_context *core_str_ctx,
+ struct vdecdd_seq_resint *seqres_int,
+ struct vxdio_mempool mem_pool,
+ struct core_seq_resinfo *seqres_info,
+ struct core_pict_resinfo *pictres_info,
+ const struct vdec_str_opconfig *op_cfg,
+ const struct vdecdd_ddpict_buf *disp_pict_buf)
+{
+ int ret = IMG_SUCCESS;
+#ifdef ERROR_CONCEALMENT
+ enum vdec_vid_std vid_std = core_str_ctx->dd_str_ctx->str_config_data.vid_std;
+ unsigned int std_idx = vid_std - 1;
+ struct vidio_ddbufinfo *err_buf_info;
+
+ /* Allocate error concealment pattern frame for current sequence */
+ if (err_recovery_frame_info[std_idx].enabled) {
+ struct vdec_pict_bufconfig buf_config;
+ unsigned int size;
+
+ buf_config = disp_pict_buf->buf_config;
+ size = buf_config.coded_width * buf_config.coded_height;
+
+ if (err_recovery_frame_info[std_idx].max_size > size) {
+ seqres_int->err_pict_buf = kzalloc(sizeof(*seqres_int->err_pict_buf),
+ GFP_KERNEL);
+ VDEC_ASSERT(seqres_int->err_pict_buf);
+ if (!seqres_int->err_pict_buf)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ seqres_int->err_pict_buf->mmuheap_id = MMU_HEAP_STREAM_BUFFERS;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("===== %s:%d calling MMU_StreamMalloc", __func__, __LINE__);
+#endif
+ ret = mmu_stream_alloc(core_str_ctx->dd_str_ctx->mmu_str_handle,
+ seqres_int->err_pict_buf->mmuheap_id,
+ mem_pool.mem_heap_id,
+ (enum sys_emem_attrib)(mem_pool.mem_attrib |
+ SYS_MEMATTRIB_CPU_WRITE),
+ buf_config.buf_size,
+ DEV_MMU_PAGE_ALIGNMENT,
+ &seqres_int->err_pict_buf->ddbuf_info);
+ if (ret != IMG_SUCCESS)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ /* make grey pattern - luma & chroma at mid-rail */
+ err_buf_info = &seqres_int->err_pict_buf->ddbuf_info;
+ if (op_cfg->pixel_info.mem_pkg == PIXEL_BIT10_MP) {
+ unsigned int *out = (unsigned int *)err_buf_info->cpu_virt;
+ unsigned int i;
+
+ for (i = 0; i < err_buf_info->buf_size / sizeof(unsigned int); i++)
+ /* See PIXEL_BIT10_MP layout definition */
+ out[i] = 0x20080200;
+ } else {
+ /* Note: Setting 0x80 also gives grey pattern
+ * for 10bit upacked MSB format.
+ */
+ memset(err_buf_info->cpu_virt, 0x80, err_buf_info->buf_size);
+ }
+ }
+ }
+#endif
+ return ret;
+}
+#endif
+
+/*
+ * @Function core_do_resource_realloc
+ */
+static unsigned char core_do_resource_realloc(struct core_stream_context *core_str_ctx,
+ struct core_pict_resinfo *pictres_info,
+ struct core_seq_resinfo *seqres_info)
+{
+ VDEC_ASSERT(core_str_ctx->std_spec_ops);
+ /* If buffer sizes are sufficient and only the greater number of resources is needed... */
+ if (core_str_ctx->pict_resinfo.size_info.mbparams_bufsize >=
+ pictres_info->size_info.mbparams_bufsize &&
+ (core_str_ctx->std_spec_ops->is_stream_resource_suitable ?
+ core_str_ctx->std_spec_ops->is_stream_resource_suitable(pictres_info,
+ &core_str_ctx->pict_resinfo,
+ seqres_info, &core_str_ctx->seq_resinfo) : TRUE) &&
+ core_str_ctx->pict_resinfo.pict_res_num < pictres_info->pict_res_num)
+ /* ...full internal resource reallocation is not required. */
+ return FALSE;
+
+ /* Otherwise request full internal resource reallocation. */
+ return TRUE;
+}
+
+/*
+ * @Function core_is_stream_resource_suitable
+ */
+static unsigned char core_is_stream_resource_suitable
+ (struct core_stream_context *core_str_ctx,
+ const struct vdec_comsequ_hdrinfo *comseq_hdrinfo,
+ const struct vdec_str_opconfig *op_cfg,
+ const struct vdecdd_ddpict_buf *disp_pict_buf,
+ struct core_pict_resinfo *pictres_info,
+ struct core_seq_resinfo *seqres_info_ptr)
+{
+ int ret;
+ struct core_pict_resinfo aux_pictes_info;
+ struct core_pict_resinfo *aux_pictes_info_ptr;
+ struct core_seq_resinfo seqres_info;
+
+ /* If resource info is needed externally, just use it. Otherwise use internal structure. */
+ if (pictres_info)
+ aux_pictes_info_ptr = pictres_info;
+ else
+ aux_pictes_info_ptr = &aux_pictes_info;
+
+ if (!seqres_info_ptr)
+ seqres_info_ptr = &seqres_info;
+
+ /* Get the resource info for current settings. */
+ ret = core_pict_res_getinfo(core_str_ctx, comseq_hdrinfo, op_cfg, disp_pict_buf,
+ aux_pictes_info_ptr, seqres_info_ptr);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return FALSE;
+
+ VDEC_ASSERT(core_str_ctx->std_spec_ops);
+ if (core_str_ctx->std_spec_ops->is_stream_resource_suitable) {
+ if (!core_str_ctx->std_spec_ops->is_stream_resource_suitable
+ (aux_pictes_info_ptr,
+ &core_str_ctx->pict_resinfo,
+ seqres_info_ptr, &core_str_ctx->seq_resinfo))
+ return FALSE;
+ }
+
+ /* Check the number of picture resources required against the current number. */
+ if (aux_pictes_info_ptr->pict_res_num > core_str_ctx->pict_resinfo.pict_res_num)
+ return FALSE;
+
+ return TRUE;
+}
+
+static int core_alloc_common_pict_buffers(struct core_stream_context *core_str_ctx,
+ struct vdecdd_pict_resint *pictres_int,
+ struct vxdio_mempool mem_pool,
+ struct core_pict_resinfo *pictres_info)
+{
+ int ret = IMG_SUCCESS;
+
+ /* If MB params buffers are needed... */
+ if (pictres_info->size_info.mbparams_bufsize > 0)
+ /* Allocate the MB parameters buffer info structure. */
+ ret = core_alloc_resbuf(&pictres_int->mb_param_buf,
+ pictres_info->size_info.mbparams_bufsize,
+ core_str_ctx->dd_str_ctx->mmu_str_handle,
+ mem_pool);
+
+ return ret;
+}
+
+/*
+ * @Function core_stream_resource_create
+ */
+static int core_stream_resource_create(struct core_stream_context *core_str_ctx,
+ unsigned char closed_gop, unsigned int mem_heap_id,
+ const struct vdec_comsequ_hdrinfo *comseq_hdrinfo,
+ const struct vdec_str_opconfig *op_cfg,
+ const struct vdecdd_ddpict_buf *disp_pict_buf)
+{
+ struct vdecdd_pict_resint *pictres_int = NULL;
+ int ret = IMG_SUCCESS;
+ unsigned int i, start_cnt = 0;
+ struct core_pict_resinfo pictres_info;
+ struct vdecdd_seq_resint *seqres_int = NULL;
+ struct core_seq_resinfo seqres_info;
+ struct vxdio_mempool mem_pool;
+
+ mem_pool.mem_heap_id = mem_heap_id;
+ mem_pool.mem_attrib = (enum sys_emem_attrib)(SYS_MEMATTRIB_UNCACHED
+ | SYS_MEMATTRIB_WRITECOMBINE | SYS_MEMATTRIB_INTERNAL);
+
+#ifdef SEQ_RES_NEEDED
+ seqres_int = lst_first(&core_str_ctx->seq_res_list);
+#endif
+ /*
+ * Clear the reconstructed picture buffer layout if the previous
+ * references are no longer used. Only under these circumstances
+ * should the bitstream resolution change.
+ */
+ if (closed_gop) {
+ memset(&core_str_ctx->recon_pictbuf.rend_info, 0,
+ sizeof(core_str_ctx->recon_pictbuf.rend_info));
+ memset(&core_str_ctx->coded_pict_size, 0, sizeof(core_str_ctx->coded_pict_size));
+ } else {
+ if (vdec_size_ne(core_str_ctx->coded_pict_size, comseq_hdrinfo->max_frame_size)) {
+ VDEC_ASSERT(FALSE);
+ pr_err("Coded picture size changed within the closed GOP (i.e. mismatched references)");
+ }
+ }
+
+ /* If current buffers are not suitable for specified VSH/Output config... */
+ if (!core_is_stream_resource_suitable(core_str_ctx, comseq_hdrinfo,
+ op_cfg, disp_pict_buf, &pictres_info,
+ &seqres_info)) {
+ /* If full internal resource reallocation is needed... */
+ if (core_do_resource_realloc(core_str_ctx, &pictres_info, &seqres_info)) {
+ /*
+ * Mark all the active resources as deprecated and
+ * free-up where no longer used.
+ */
+ core_stream_resource_deprecate(core_str_ctx);
+ } else {
+ /* Use current buffer size settings. */
+ pictres_info.size_info = core_str_ctx->pict_resinfo.size_info;
+ seqres_info = core_str_ctx->seq_resinfo;
+
+ /* Set start counter to only allocate the number of
+ * resources that are missing.
+ */
+ start_cnt = core_str_ctx->pict_resinfo.pict_res_num;
+ }
+
+#ifdef SEQ_RES_NEEDED
+ /* allocate sequence resources */
+ {
+ seqres_int = kzalloc(sizeof(*seqres_int), GFP_KERNEL);
+ VDEC_ASSERT(seqres_int);
+ if (!seqres_int)
+ goto err_out_of_memory;
+
+ lst_add(&core_str_ctx->seq_res_list, seqres_int);
+ /* Allocate sequence buffers common for all standards. */
+ ret = core_alloc_common_sequence_buffers
+ (core_str_ctx, seqres_int, mem_pool,
+ &seqres_info,
+ &pictres_info, op_cfg, disp_pict_buf);
+ if (ret != IMG_SUCCESS)
+ goto err_out_of_memory;
+
+ VDEC_ASSERT(core_str_ctx->std_spec_ops);
+ if (core_str_ctx->std_spec_ops->alloc_sequence_buffers) {
+ ret = core_str_ctx->std_spec_ops->alloc_sequence_buffers
+ (core_str_ctx, seqres_int,
+ mem_pool, &seqres_info);
+ if (ret != IMG_SUCCESS)
+ goto err_out_of_memory;
+ }
+ }
+#endif
+ /* Allocate resources for current settings. */
+ for (i = start_cnt; i < pictres_info.pict_res_num; i++) {
+ /* Allocate the picture resources structure. */
+ pictres_int = kzalloc(sizeof(*pictres_int), GFP_KERNEL);
+ VDEC_ASSERT(pictres_int);
+ if (!pictres_int)
+ goto err_out_of_memory;
+
+ /* Allocate picture buffers common for all standards. */
+ ret = core_alloc_common_pict_buffers(core_str_ctx, pictres_int,
+ mem_pool, &pictres_info);
+ if (ret != IMG_SUCCESS)
+ goto err_out_of_memory;
+
+ /* Allocate standard specific picture buffers. */
+ VDEC_ASSERT(core_str_ctx->std_spec_ops);
+ if (core_str_ctx->std_spec_ops->alloc_picture_buffers) {
+ ret = core_str_ctx->std_spec_ops->alloc_picture_buffers
+ (core_str_ctx, pictres_int,
+ mem_pool, &pictres_info);
+ if (ret != IMG_SUCCESS)
+ goto err_out_of_memory;
+ }
+
+ /* attach sequence resources */
+#ifdef SEQ_RES_NEEDED
+ resource_item_use(&seqres_int->ref_count);
+ pictres_int->seq_resint = seqres_int;
+#endif
+ lst_add(&core_str_ctx->pict_res_list, pictres_int);
+ core_str_ctx->pict_resinfo.pict_res_num++;
+ }
+ }
+
+ /*
+ * When demand for picture resources reduces (in quantity) the extra buffers
+ * are still retained. Preserve the existing count in case the demand increases
+ * again, at which time these residual buffers won't need to be reallocated.
+ */
+ pictres_info.pict_res_num = core_str_ctx->pict_resinfo.pict_res_num;
+
+ /* Store the current resource config. */
+ core_str_ctx->pict_resinfo = pictres_info;
+ core_str_ctx->seq_resinfo = seqres_info;
+
+ pictres_int = lst_first(&core_str_ctx->pict_res_list);
+ while (pictres_int) {
+ /*
+ * Increment the reference count to indicate that this resource is also
+ * held by plant until it is added to the Scheduler list. If the resource has
+ * not just been created it might already be in circulation.
+ */
+ resource_item_use(&pictres_int->ref_cnt);
+#ifdef SEQ_RES_NEEDED
+ /* attach sequence resources */
+ resource_item_use(&seqres_int->ref_count);
+ pictres_int->seq_resint = seqres_int;
+#endif
+ /* Add the internal picture resources to the list. */
+ ret = resource_list_add_img(&core_str_ctx->aux_pict_res_list,
+ pictres_int, 0, &pictres_int->ref_cnt);
+
+ pictres_int = lst_next(pictres_int);
+ }
+
+ /*
+ * Set the reconstructed buffer properties if they
+ * may have been changed.
+ */
+ if (core_str_ctx->recon_pictbuf.rend_info.rendered_size == 0) {
+ core_str_ctx->recon_pictbuf.rend_info =
+ disp_pict_buf->rend_info;
+ core_str_ctx->recon_pictbuf.buf_config =
+ disp_pict_buf->buf_config;
+ core_str_ctx->coded_pict_size = comseq_hdrinfo->max_frame_size;
+ } else {
+ if (memcmp(&disp_pict_buf->rend_info,
+ &core_str_ctx->recon_pictbuf.rend_info,
+ sizeof(core_str_ctx->recon_pictbuf.rend_info))) {
+ /*
+ * Reconstructed picture buffer information has changed
+ * during a closed GOP.
+ */
+ VDEC_ASSERT
+ ("Reconstructed picture buffer information cannot change within a GOP"
+ == NULL);
+ pr_err("Reconstructed picture buffer information cannot change within a GOP.");
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+ }
+
+ /*
+ * When demand for picture resources reduces (in quantity) the extra buffers
+ * are still retained. Preserve the existing count in case the demand increases
+ * again, at which time these residual buffers won't need to be reallocated.
+ */
+ pictres_info.pict_res_num = core_str_ctx->pict_resinfo.pict_res_num;
+
+ /* Store the current resource config. */
+ core_str_ctx->pict_resinfo = pictres_info;
+ core_str_ctx->seq_resinfo = seqres_info;
+
+ return IMG_SUCCESS;
+
+ /* Handle out of memory errors. */
+err_out_of_memory:
+ /* Free resources being currently allocated. */
+ if (pictres_int) {
+ core_free_common_picture_resource(core_str_ctx, pictres_int);
+ if (core_str_ctx->std_spec_ops->free_picture_resource)
+ core_str_ctx->std_spec_ops->free_picture_resource(core_str_ctx,
+ pictres_int);
+
+ kfree(pictres_int);
+ }
+
+#ifdef SEQ_RES_NEEDED
+ if (seqres_int) {
+ core_free_common_sequence_resource(core_str_ctx, seqres_int);
+
+ if (core_str_ctx->std_spec_ops->free_sequence_resource)
+ core_str_ctx->std_spec_ops->free_sequence_resource(core_str_ctx,
+ seqres_int);
+
+ VDEC_ASSERT(lst_last(&core_str_ctx->seq_res_list) == seqres_int);
+ lst_remove(&core_str_ctx->seq_res_list, seqres_int);
+ kfree(seqres_int);
+ }
+#endif
+
+ /* Free all the other resources. */
+ core_stream_resource_destroy(core_str_ctx);
+
+ pr_err("[USERSID=0x%08X] Core not able to allocate stream resources due to lack of memory",
+ core_str_ctx->dd_str_ctx->str_config_data.user_str_id);
+
+ return IMG_ERROR_OUT_OF_MEMORY;
+}
+
+static int
+core_reconfigure_recon_pictbufs(struct core_stream_context *core_str_ctx,
+ unsigned char no_references)
+{
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ int ret;
+
+ dd_str_ctx = core_str_ctx->dd_str_ctx;
+ VDEC_ASSERT(dd_str_ctx->str_op_configured);
+
+ /* Re-configure the internal picture buffers now that none are held. */
+ ret = core_stream_resource_create(core_str_ctx, no_references,
+ dd_str_ctx->dd_dev_context->internal_heap_id,
+ &dd_str_ctx->comseq_hdr_info,
+ &dd_str_ctx->opconfig,
+ &dd_str_ctx->disp_pict_buf);
+ return ret;
+}
+
+/*
+ * @Function core_picture_prepare
+ */
+static int core_picture_prepare(struct core_stream_context *core_str_ctx,
+ struct vdecdd_str_unit *str_unit)
+{
+ int ret = IMG_SUCCESS;
+ struct vdecdd_picture *pict_local = NULL;
+ unsigned int avail = 0;
+ unsigned char need_pict_res;
+
+ /*
+ * For normal decode, setup picture data.
+ * Preallocate the picture structure.
+ */
+ pict_local = kzalloc(sizeof(*pict_local), GFP_KERNEL);
+ if (!pict_local)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ /* Determine whether the picture can be decoded. */
+ ret = decoder_get_load(core_str_ctx->dd_str_ctx->dec_ctx, &global_avail_slots);
+ if (ret != IMG_SUCCESS) {
+ pr_err("No resources avaialable to decode this picture");
+ ret = IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE;
+ goto unwind;
+ }
+
+ /*
+ * Load and availability is cached in stream context simply
+ * for status reporting.
+ */
+ avail = core_get_resource_availability(core_str_ctx);
+
+ if ((avail & CORE_AVAIL_CORE) == 0) {
+ /* Return straight away if the core is not available */
+ ret = IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE;
+ goto unwind;
+ }
+
+ if (core_str_ctx->new_op_cfg || core_str_ctx->new_seq) {
+ /*
+ * Reconstructed buffers should be checked for reconfiguration
+ * under these conditions:
+ * 1. New output configuration,
+ * 2. New sequence.
+ * Core can decide to reset the reconstructed buffer properties
+ * if there are no previous reference pictures used
+ * (i.e. at a closed GOP). This code must go here because we
+ * may not stop when new sequence is found or references become
+ * unused.
+ */
+ ret = core_reconfigure_recon_pictbufs(core_str_ctx,
+ core_str_ctx->no_prev_refs_used);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto unwind;
+ }
+
+ /* Update the display information for this picture. */
+ ret = vdecddutils_get_display_region(&str_unit->pict_hdr_info->coded_frame_size,
+ &str_unit->pict_hdr_info->disp_info.enc_disp_region,
+ &str_unit->pict_hdr_info->disp_info.disp_region);
+
+ if (ret != IMG_SUCCESS)
+ goto unwind;
+
+ /* Clear internal state */
+ core_str_ctx->new_seq = FALSE;
+ core_str_ctx->new_op_cfg = FALSE;
+ core_str_ctx->no_prev_refs_used = FALSE;
+
+ /*
+ * Recalculate this since we might have just created
+ * internal resources.
+ */
+ core_str_ctx->res_avail = core_get_resource_availability(core_str_ctx);
+
+ /*
+ * If picture resources were needed for this stream, picture resources
+ * list wouldn't be empty
+ */
+ need_pict_res = !lst_empty(&core_str_ctx->aux_pict_res_list);
+ /* If there are resources available */
+ if ((core_str_ctx->res_avail & CORE_AVAIL_PICTBUF) &&
+ (!need_pict_res || (core_str_ctx->res_avail & CORE_AVAIL_PICTRES))) {
+ /* Pick internal picture resources. */
+ if (need_pict_res) {
+ pict_local->pict_res_int =
+ resource_list_get_avail(&core_str_ctx->aux_pict_res_list);
+
+ VDEC_ASSERT(pict_local->pict_res_int);
+ if (!pict_local->pict_res_int) {
+ ret = IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE;
+ goto unwind;
+ }
+ }
+
+ /* Pick the client image buffer. */
+ pict_local->disp_pict_buf.pict_buf =
+ resource_list_get_avail(&core_str_ctx->pict_buf_list);
+ VDEC_ASSERT(pict_local->disp_pict_buf.pict_buf);
+ if (!pict_local->disp_pict_buf.pict_buf) {
+ ret = IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE;
+ goto unwind;
+ }
+ } else {
+ /* Need resources to process picture start. */
+ ret = IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE;
+ goto unwind;
+ }
+
+ /* Ensure that the buffer contains layout information. */
+ pict_local->disp_pict_buf.rend_info = core_str_ctx->disp_pict_buf.rend_info;
+ pict_local->disp_pict_buf.buf_config = core_str_ctx->disp_pict_buf.buf_config;
+ pict_local->op_config = core_str_ctx->op_cfg;
+ pict_local->last_pict_in_seq = str_unit->last_pict_in_seq;
+
+ str_unit->dd_pict_data = pict_local;
+
+ /* Indicate that all necessary resources are now available. */
+ if (core_str_ctx->res_avail != ~0) {
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("LAST AVAIL: 0x%08X\n", core_str_ctx->res_avail);
+#endif
+ core_str_ctx->res_avail = ~0;
+ }
+
+#ifdef DEBUG_DECODER_DRIVER
+ /* dump decoder internal resource addresses */
+ if (pict_local->pict_res_int) {
+ if (pict_local->pict_res_int->mb_param_buf) {
+ pr_info("[USERSID=0x%08X] MB parameter buffer device virtual address: 0x%08X",
+ core_str_ctx->dd_str_ctx->str_config_data.user_str_id,
+ pict_local->pict_res_int->mb_param_buf->ddbuf_info.dev_virt);
+ }
+
+ if (core_str_ctx->comseq_hdr_info.separate_chroma_planes) {
+ pr_info("[USERSID=0x%08X] Display picture virtual address: LUMA 0x%08X, CHROMA 0x%08X, CHROMA2 0x%08X",
+ core_str_ctx->dd_str_ctx->str_config_data.user_str_id,
+ pict_local->disp_pict_buf.pict_buf->ddbuf_info.dev_virt,
+ pict_local->disp_pict_buf.pict_buf->ddbuf_info.dev_virt +
+ pict_local->disp_pict_buf.rend_info.plane_info
+ [VDEC_PLANE_VIDEO_U].offset,
+ pict_local->disp_pict_buf.pict_buf->ddbuf_info.dev_virt +
+ pict_local->disp_pict_buf.rend_info.plane_info
+ [VDEC_PLANE_VIDEO_V].offset);
+ } else {
+ pr_info("[USERSID=0x%08X] Display picture virtual address: LUMA 0x%08X, CHROMA 0x%08X",
+ core_str_ctx->dd_str_ctx->str_config_data.user_str_id,
+ pict_local->disp_pict_buf.pict_buf->ddbuf_info.dev_virt,
+ pict_local->disp_pict_buf.pict_buf->ddbuf_info.dev_virt +
+ pict_local->disp_pict_buf.rend_info.plane_info
+ [VDEC_PLANE_VIDEO_UV].offset);
+ }
+ }
+#endif
+
+ ret = core_picture_attach_resources(core_str_ctx, str_unit, TRUE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto unwind;
+
+ return IMG_SUCCESS;
+
+unwind:
+ if (pict_local->pict_res_int) {
+ resource_item_return(&pict_local->pict_res_int->ref_cnt);
+ pict_local->pict_res_int = NULL;
+ }
+ if (pict_local->disp_pict_buf.pict_buf) {
+ resource_item_return(&pict_local->disp_pict_buf.pict_buf->ddbuf_info.ref_count);
+ pict_local->disp_pict_buf.pict_buf = NULL;
+ }
+ kfree(pict_local);
+ return ret;
+}
+
+/*
+ * @Function core_validate_new_sequence
+ */
+static int core_validate_new_sequence(struct core_stream_context *core_str_ctx,
+ const struct vdec_comsequ_hdrinfo *comseq_hdrinfo)
+{
+ int ret;
+ struct vdecdd_supp_check supp_check;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ unsigned int num_req_bufs_prev, num_req_bufs_cur;
+ struct vdecdd_mapbuf_info mapbuf_info;
+
+ memset(&supp_check, 0, sizeof(supp_check));
+
+ /*
+ * Omit picture header from this setup since we can'supp_check
+ * validate this here.
+ */
+ supp_check.comseq_hdrinfo = comseq_hdrinfo;
+
+ if (core_str_ctx->opcfg_set) {
+ supp_check.op_cfg = &core_str_ctx->op_cfg;
+ supp_check.disp_pictbuf = &core_str_ctx->disp_pict_buf;
+
+ ret = vdecddutils_get_minrequired_numpicts
+ (&core_str_ctx->dd_str_ctx->str_config_data,
+ &core_str_ctx->comseq_hdr_info,
+ &core_str_ctx->op_cfg,
+ &num_req_bufs_prev);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ ret = vdecddutils_get_minrequired_numpicts
+ (&core_str_ctx->dd_str_ctx->str_config_data,
+ comseq_hdrinfo,
+ &core_str_ctx->op_cfg,
+ &num_req_bufs_cur);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ /* Check if the output configuration is compatible with new VSH. */
+ dd_str_ctx = core_str_ctx->dd_str_ctx;
+ mapbuf_info = dd_str_ctx->map_buf_info;
+
+ /* Check the compatibility of the bitstream data and configuration */
+ supp_check.non_cfg_req = TRUE;
+ ret = core_check_decoder_support(dd_str_ctx->dd_dev_context,
+ &dd_str_ctx->str_config_data,
+ &dd_str_ctx->prev_comseq_hdr_info,
+ &dd_str_ctx->prev_pict_hdr_info,
+ &mapbuf_info, &supp_check);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ core_str_ctx->new_seq = TRUE;
+
+ return IMG_SUCCESS;
+}
+
+static int
+core_validate_new_picture(struct core_stream_context *core_str_ctx,
+ const struct bspp_pict_hdr_info *pict_hdrinfo,
+ unsigned int *features)
+{
+ int ret;
+ struct vdecdd_supp_check supp_check;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ struct vdecdd_mapbuf_info mapbuf_info;
+
+ memset(&supp_check, 0, sizeof(supp_check));
+ supp_check.comseq_hdrinfo = &core_str_ctx->comseq_hdr_info;
+ supp_check.pict_hdrinfo = pict_hdrinfo;
+
+ /*
+ * They cannot become invalid during a sequence.
+ * However, output configuration may signal something that
+ * changes compatibility on a closed GOP within a sequence
+ * (e.g. resolution may significantly decrease
+ * in a GOP and scaling wouldn't be supported). This resolution shift
+ * would not be signalled in the sequence header
+ * (since that is the maximum) but only
+ * found now when validating the first picture in the GOP.
+ */
+ if (core_str_ctx->opcfg_set)
+ supp_check.op_cfg = &core_str_ctx->op_cfg;
+
+ /*
+ * Check if the new picture is compatible with the
+ * current driver state.
+ */
+ dd_str_ctx = core_str_ctx->dd_str_ctx;
+ mapbuf_info = dd_str_ctx->map_buf_info;
+
+ /* Check the compatibility of the bitstream data and configuration */
+ supp_check.non_cfg_req = TRUE;
+ ret = core_check_decoder_support(dd_str_ctx->dd_dev_context,
+ &dd_str_ctx->str_config_data,
+ &dd_str_ctx->prev_comseq_hdr_info,
+ &dd_str_ctx->prev_pict_hdr_info,
+ &mapbuf_info, &supp_check);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ if (supp_check.unsupp_flags.str_opcfg || supp_check.unsupp_flags.pict_hdr)
+ return IMG_ERROR_NOT_SUPPORTED;
+
+ /*
+ * Clear the reconfiguration flags unless triggered by
+ * unsupported output config.
+ */
+ *features = supp_check.features;
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_stream_submit_unit
+ */
+int core_stream_submit_unit(unsigned int res_str_id, struct vdecdd_str_unit *str_unit)
+{
+ int ret;
+ unsigned char process_str_unit = TRUE;
+
+ struct vdecdd_ddstr_ctx *dd_str_context;
+ struct core_stream_context *core_str_ctx;
+
+ /*
+ * Stream based messages without a device context
+ * must have a stream ID.
+ */
+ VDEC_ASSERT(res_str_id);
+ VDEC_ASSERT(str_unit);
+
+ if (res_str_id == 0 || !str_unit) {
+ pr_err("Invalid params passed to %s\n", __func__);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID, (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ VDEC_ASSERT(core_str_ctx);
+ dd_str_context = core_str_ctx->dd_str_ctx;
+ VDEC_ASSERT(dd_str_context);
+
+ ret = resource_list_add_img(&core_str_ctx->str_unit_list, str_unit, 0, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+
+ pr_debug("%s stream unit type = %d\n", __func__, str_unit->str_unit_type);
+ switch (str_unit->str_unit_type) {
+ case VDECDD_STRUNIT_SEQUENCE_START:
+ if (str_unit->seq_hdr_info) {
+ /* Add sequence header to cache. */
+ ret =
+ resource_list_replace(&core_str_ctx->seq_hdr_list,
+ str_unit->seq_hdr_info,
+ str_unit->seq_hdr_info->sequ_hdr_id,
+ &str_unit->seq_hdr_info->ref_count,
+ NULL, NULL);
+
+ if (ret != IMG_SUCCESS)
+ pr_err("[USERSID=0x%08X] Failed to replace resource",
+ res_str_id);
+ } else {
+ /* ...or take from cache. */
+ str_unit->seq_hdr_info =
+ resource_list_getbyid(&core_str_ctx->seq_hdr_list,
+ str_unit->seq_hdr_id);
+ }
+
+ VDEC_ASSERT(str_unit->seq_hdr_info);
+ if (!str_unit->seq_hdr_info) {
+ pr_err("Sequence header information not available for current picture");
+ break;
+ }
+ /*
+ * Check that this latest sequence header information is
+ * compatible with current state and then if no errors store
+ * as current.
+ */
+ core_str_ctx->comseq_hdr_info = str_unit->seq_hdr_info->com_sequ_hdr_info;
+
+ ret = core_validate_new_sequence(core_str_ctx,
+ &str_unit->seq_hdr_info->com_sequ_hdr_info);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_context->prev_comseq_hdr_info =
+ dd_str_context->comseq_hdr_info;
+ dd_str_context->comseq_hdr_info =
+ str_unit->seq_hdr_info->com_sequ_hdr_info;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[SID=0x%08X] VSH: Maximum Frame Resolution [%dx%d]",
+ dd_str_context->res_str_id,
+ dd_str_context->comseq_hdr_info.max_frame_size.width,
+ dd_str_context->comseq_hdr_info.max_frame_size.height);
+#endif
+
+ break;
+
+ case VDECDD_STRUNIT_PICTURE_START:
+ /*
+ * Check that the picture configuration is compatible
+ * with the current state.
+ */
+ ret = core_validate_new_picture(core_str_ctx,
+ str_unit->pict_hdr_info,
+ &str_unit->features);
+ if (ret != IMG_SUCCESS) {
+ if (ret == IMG_ERROR_NOT_SUPPORTED) {
+ /*
+ * Do not process stream unit since there is
+ * something unsupported.
+ */
+ process_str_unit = FALSE;
+ break;
+ }
+ }
+
+ /* Prepare picture for decoding. */
+ ret = core_picture_prepare(core_str_ctx, str_unit);
+ if (ret != IMG_SUCCESS)
+ if (ret == IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE ||
+ ret == IMG_ERROR_NOT_SUPPORTED)
+ /*
+ * Do not process stream unit since there is
+ * something unsupported or resources are not
+ * available.
+ */
+ process_str_unit = FALSE;
+ break;
+
+ default:
+ /*
+ * Sequence/picture headers should only be attached to
+ * corresponding units.
+ */
+ VDEC_ASSERT(!str_unit->seq_hdr_info);
+ VDEC_ASSERT(!str_unit->pict_hdr_info);
+ break;
+ }
+
+ if (process_str_unit) {
+ /* Submit stream unit to the decoder for processing. */
+ str_unit->decode = TRUE;
+ ret = decoder_stream_process_unit(dd_str_context->dec_ctx,
+ str_unit);
+ } else {
+ ret = IMG_ERROR_GENERIC_FAILURE;
+ }
+
+ return ret;
+}
+
+/*
+ * @Function core_stream_fill_pictbuf
+ */
+int core_stream_fill_pictbuf(unsigned int buf_map_id)
+{
+ int ret;
+ struct vdecdd_ddbuf_mapinfo *ddbuf_map_info;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ struct core_stream_context *core_str_ctx;
+
+ /* Get access to map info context.. */
+ ret = rman_get_resource(buf_map_id, VDECDD_BUFMAP_TYPE_ID,
+ (void **)&ddbuf_map_info, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_ctx = ddbuf_map_info->ddstr_context;
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(dd_str_ctx->res_str_id, VDECDD_STREAM_TYPE_ID,
+ (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Check buffer type. */
+ VDEC_ASSERT(ddbuf_map_info->buf_type == VDEC_BUFTYPE_PICTURE);
+
+ /* Add the image buffer to the list */
+ ret = resource_list_add_img(&core_str_ctx->pict_buf_list, ddbuf_map_info,
+ 0, &ddbuf_map_info->ddbuf_info.ref_count);
+
+ return ret;
+}
+
+/*
+ * @Function core_fn_free_mapped
+ */
+static void core_fn_free_mapped(void *param)
+{
+ struct vdecdd_ddbuf_mapinfo *ddbuf_map_info =
+ (struct vdecdd_ddbuf_mapinfo *)param;
+
+ /* Validate input arguments */
+ VDEC_ASSERT(param);
+
+ /* Do not free the MMU mapping. It is handled by talmmu code. */
+ kfree(ddbuf_map_info);
+}
+
+/*
+ * @Function core_stream_map_buf
+ */
+int core_stream_map_buf(unsigned int res_str_id, enum vdec_buf_type buf_type,
+ struct vdec_buf_info *buf_info, unsigned int *buf_map_id)
+{
+ int ret;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ struct core_stream_context *core_str_ctx;
+ struct vdecdd_ddbuf_mapinfo *ddbuf_map_info;
+
+ /*
+ * Stream based messages without a device context
+ * must have a stream ID.
+ */
+ VDEC_ASSERT(res_str_id);
+ VDEC_ASSERT(buf_type < VDEC_BUFTYPE_MAX);
+ VDEC_ASSERT(buf_info);
+ VDEC_ASSERT(buf_map_id);
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID,
+ (void **)&core_str_ctx, NULL);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_ctx = core_str_ctx->dd_str_ctx;
+
+ VDEC_ASSERT(dd_str_ctx);
+
+ /* Allocate an active stream unit.. */
+ ddbuf_map_info = kzalloc(sizeof(*ddbuf_map_info), GFP_KERNEL);
+ VDEC_ASSERT(ddbuf_map_info);
+
+ if (!ddbuf_map_info) {
+ pr_err("[SID=0x%08X] Failed to allocate memory for DD buffer map information",
+ dd_str_ctx->res_str_id);
+
+ return IMG_ERROR_OUT_OF_MEMORY;
+ }
+ memset(ddbuf_map_info, 0, sizeof(*ddbuf_map_info));
+
+ /* Save the stream context etc. */
+ ddbuf_map_info->ddstr_context = dd_str_ctx;
+ ddbuf_map_info->buf_type = buf_type;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("%s:%d vdec2plus: vxd map buff id %d", __func__, __LINE__,
+ buf_info->buf_id);
+#endif
+ ddbuf_map_info->buf_id = buf_info->buf_id;
+
+ /* Register the allocation as a stream resource.. */
+ ret = rman_register_resource(dd_str_ctx->res_buck_handle,
+ VDECDD_BUFMAP_TYPE_ID,
+ core_fn_free_mapped,
+ ddbuf_map_info,
+ &ddbuf_map_info->res_handle,
+ buf_map_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ ddbuf_map_info->buf_map_id = *buf_map_id;
+
+ if (buf_type == VDEC_BUFTYPE_PICTURE) {
+ if (dd_str_ctx->map_buf_info.num_buf == 0) {
+ dd_str_ctx->map_buf_info.buf_size = buf_info->buf_size;
+ dd_str_ctx->map_buf_info.byte_interleave =
+ buf_info->pictbuf_cfg.byte_interleave;
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[SID=0x%08X] Mapped Buffer size: %d (bytes)",
+ dd_str_ctx->res_str_id, buf_info->buf_size);
+#endif
+ } else {
+ /*
+ * Same byte interleaved setting should be used.
+ * Convert to actual bools by comparing with zero.
+ */
+ if (buf_info->pictbuf_cfg.byte_interleave !=
+ dd_str_ctx->map_buf_info.byte_interleave) {
+ pr_err("[SID=0x%08X] Buffer cannot be mapped since its byte interleave value (%s) is not the same as buffers already mapped (%s)",
+ dd_str_ctx->res_str_id,
+ buf_info->pictbuf_cfg.byte_interleave ?
+ "ON" : "OFF",
+ dd_str_ctx->map_buf_info.byte_interleave ?
+ "ON" : "OFF");
+ ret = IMG_ERROR_INVALID_PARAMETERS;
+ goto error;
+ }
+ }
+
+ /* Configure the buffer.. */
+ ret = core_stream_set_pictbuf_config(dd_str_ctx, &buf_info->pictbuf_cfg);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+ }
+
+ /* Map heap from VDEC to MMU. */
+ switch (buf_type) {
+ case VDEC_BUFTYPE_BITSTREAM:
+ ddbuf_map_info->mmuheap_id = MMU_HEAP_BITSTREAM_BUFFERS;
+ break;
+
+ case VDEC_BUFTYPE_PICTURE:
+ mmu_get_heap(buf_info->pictbuf_cfg.stride[VDEC_PLANE_VIDEO_Y],
+ &ddbuf_map_info->mmuheap_id);
+ break;
+
+ default:
+ VDEC_ASSERT(FALSE);
+ }
+
+ /* Map this buffer into the MMU. */
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("----- %s:%d calling MMU_StreamMapExt", __func__, __LINE__);
+#endif
+ ret = mmu_stream_map_ext(dd_str_ctx->mmu_str_handle,
+ (enum mmu_eheap_id)ddbuf_map_info->mmuheap_id,
+ ddbuf_map_info->buf_id,
+ buf_info->buf_size, DEV_MMU_PAGE_SIZE,
+ buf_info->mem_attrib,
+ buf_info->cpu_linear_addr,
+ &ddbuf_map_info->ddbuf_info);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ if (buf_type == VDEC_BUFTYPE_PICTURE)
+ dd_str_ctx->map_buf_info.num_buf++;
+
+ /*
+ * Initialise the reference count to indicate that the client
+ * still holds the buffer.
+ */
+ ddbuf_map_info->ddbuf_info.ref_count = 1;
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+
+error:
+ if (ddbuf_map_info) {
+ if (ddbuf_map_info->res_handle)
+ rman_free_resource(ddbuf_map_info->res_handle);
+ else
+ kfree(ddbuf_map_info);
+ }
+
+ return ret;
+}
+
+/*
+ * @Function core_stream_map_buf_sg
+ */
+int core_stream_map_buf_sg(unsigned int res_str_id, enum vdec_buf_type buf_type,
+ struct vdec_buf_info *buf_info,
+ void *sgt, unsigned int *buf_map_id)
+{
+ int ret;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ struct core_stream_context *core_str_ctx;
+ struct vdecdd_ddbuf_mapinfo *ddbuf_map_info;
+
+ /*
+ * Resource stream ID cannot be zero. If zero just warning and
+ * proceeding further will break the code. Return IMG_ERROR_INVALID_ID.
+ */
+ if (res_str_id <= 0)
+ return IMG_ERROR_INVALID_ID;
+
+ VDEC_ASSERT(buf_type < VDEC_BUFTYPE_MAX);
+ VDEC_ASSERT(buf_info);
+ VDEC_ASSERT(buf_map_id);
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID, (void **)&core_str_ctx, NULL);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_ctx = core_str_ctx->dd_str_ctx;
+
+ VDEC_ASSERT(dd_str_ctx);
+
+ /* Allocate an active stream unit.. */
+ ddbuf_map_info = kzalloc(sizeof(*ddbuf_map_info), GFP_KERNEL);
+ VDEC_ASSERT(ddbuf_map_info);
+
+ if (!ddbuf_map_info) {
+ pr_err("[SID=0x%08X] Failed to allocate memory for DD buffer map information",
+ dd_str_ctx->res_str_id);
+
+ return IMG_ERROR_OUT_OF_MEMORY;
+ }
+
+ /* Save the stream context etc. */
+ ddbuf_map_info->ddstr_context = dd_str_ctx;
+ ddbuf_map_info->buf_type = buf_type;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("%s:%d vdec2plus: vxd map buff id %d", __func__, __LINE__,
+ buf_info->buf_id);
+#endif
+ ddbuf_map_info->buf_id = buf_info->buf_id;
+
+ /* Register the allocation as a stream resource.. */
+ ret = rman_register_resource(dd_str_ctx->res_buck_handle,
+ VDECDD_BUFMAP_TYPE_ID,
+ core_fn_free_mapped, ddbuf_map_info,
+ &ddbuf_map_info->res_handle, buf_map_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ ddbuf_map_info->buf_map_id = *buf_map_id;
+
+ if (buf_type == VDEC_BUFTYPE_PICTURE) {
+ if (dd_str_ctx->map_buf_info.num_buf == 0) {
+ dd_str_ctx->map_buf_info.buf_size = buf_info->buf_size;
+
+ dd_str_ctx->map_buf_info.byte_interleave =
+ buf_info->pictbuf_cfg.byte_interleave;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[SID=0x%08X] Mapped Buffer size: %d (bytes)",
+ dd_str_ctx->res_str_id, buf_info->buf_size);
+#endif
+ } else {
+ /*
+ * Same byte interleaved setting should be used.
+ * Convert to actual bools by comparing with zero.
+ */
+ if (buf_info->pictbuf_cfg.byte_interleave !=
+ dd_str_ctx->map_buf_info.byte_interleave) {
+ pr_err("[SID=0x%08X] Buffer cannot be mapped since its byte interleave value (%s) is not the same as buffers already mapped (%s)",
+ dd_str_ctx->res_str_id,
+ buf_info->pictbuf_cfg.byte_interleave ?
+ "ON" : "OFF",
+ dd_str_ctx->map_buf_info.byte_interleave ?
+ "ON" : "OFF");
+ ret = IMG_ERROR_INVALID_PARAMETERS;
+ goto error;
+ }
+ }
+
+ /* Configure the buffer.. */
+ ret = core_stream_set_pictbuf_config(dd_str_ctx, &buf_info->pictbuf_cfg);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+ }
+
+ /* Map heap from VDEC to MMU. */
+ switch (buf_type) {
+ case VDEC_BUFTYPE_BITSTREAM:
+ ddbuf_map_info->mmuheap_id = MMU_HEAP_BITSTREAM_BUFFERS;
+ break;
+
+ case VDEC_BUFTYPE_PICTURE:
+ mmu_get_heap(buf_info->pictbuf_cfg.stride[VDEC_PLANE_VIDEO_Y],
+ &ddbuf_map_info->mmuheap_id);
+ break;
+
+ default:
+ VDEC_ASSERT(FALSE);
+ }
+
+ /* Map this buffer into the MMU. */
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("----- %s:%d calling MMU_StreamMapExt_sg", __func__, __LINE__);
+#endif
+ ret =
+ mmu_stream_map_ext_sg(dd_str_ctx->mmu_str_handle,
+ (enum mmu_eheap_id)ddbuf_map_info->mmuheap_id,
+ sgt, buf_info->buf_size, DEV_MMU_PAGE_SIZE,
+ buf_info->mem_attrib, buf_info->cpu_linear_addr,
+ &ddbuf_map_info->ddbuf_info,
+ &ddbuf_map_info->buf_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ if (buf_type == VDEC_BUFTYPE_PICTURE)
+ dd_str_ctx->map_buf_info.num_buf++;
+
+ /*
+ * Initialise the reference count to indicate that the client
+ * still holds the buffer.
+ */
+ ddbuf_map_info->ddbuf_info.ref_count = 1;
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+
+error:
+ if (ddbuf_map_info->res_handle)
+ rman_free_resource(ddbuf_map_info->res_handle);
+ else
+ kfree(ddbuf_map_info);
+
+ return ret;
+}
+
+/*
+ * @Function core_stream_unmap_buf
+ */
+int core_stream_unmap_buf(unsigned int buf_map_id)
+{
+ int ret;
+ struct vdecdd_ddbuf_mapinfo *ddbuf_map_info;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ struct core_stream_context *core_str_ctx;
+
+ /* Get access to map info context.. */
+ ret = rman_get_resource(buf_map_id, VDECDD_BUFMAP_TYPE_ID,
+ (void **)&ddbuf_map_info, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_ctx = ddbuf_map_info->ddstr_context;
+ VDEC_ASSERT(dd_str_ctx);
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(dd_str_ctx->res_str_id, VDECDD_STREAM_TYPE_ID,
+ (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(core_str_ctx);
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("UNMAP: PM [0x%p] --> VM [0x%08X - 0x%08X] (%d bytes)",
+ ddbuf_map_info->ddbuf_info.cpu_virt,
+ ddbuf_map_info->ddbuf_info.dev_virt,
+ ddbuf_map_info->ddbuf_info.dev_virt +
+ ddbuf_map_info->ddbuf_info.buf_size,
+ ddbuf_map_info->ddbuf_info.buf_size);
+#endif
+
+ /* Buffer should only be held by the client. */
+ VDEC_ASSERT(ddbuf_map_info->ddbuf_info.ref_count == 1);
+ if (ddbuf_map_info->ddbuf_info.ref_count != 1)
+ return IMG_ERROR_MEMORY_IN_USE;
+
+ ddbuf_map_info->ddbuf_info.ref_count = 0;
+ if (ddbuf_map_info->buf_type == VDEC_BUFTYPE_PICTURE) {
+ /* Remove this picture buffer from pictbuf list */
+ ret = resource_list_remove(&core_str_ctx->pict_buf_list, ddbuf_map_info);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS || ret == IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE);
+ if (ret != IMG_SUCCESS && ret != IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE)
+ return ret;
+
+ ddbuf_map_info->ddstr_context->map_buf_info.num_buf--;
+
+ /* Clear some state if there are no more mapped buffers. */
+ if (dd_str_ctx->map_buf_info.num_buf == 0) {
+ dd_str_ctx->map_buf_info.buf_size = 0;
+ dd_str_ctx->map_buf_info.byte_interleave = FALSE;
+ }
+ }
+
+ /* Unmap this buffer from the MMU. */
+ ret = mmu_free_mem(dd_str_ctx->mmu_str_handle, &ddbuf_map_info->ddbuf_info);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Free buffer map info. */
+ rman_free_resource(ddbuf_map_info->res_handle);
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_stream_unmap_buf_sg
+ */
+int core_stream_unmap_buf_sg(unsigned int buf_map_id)
+{
+ int ret;
+ struct vdecdd_ddbuf_mapinfo *ddbuf_map_info;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ struct core_stream_context *core_str_ctx;
+
+ /* Get access to map info context.. */
+ ret = rman_get_resource(buf_map_id, VDECDD_BUFMAP_TYPE_ID, (void **)&ddbuf_map_info, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_ctx = ddbuf_map_info->ddstr_context;
+ VDEC_ASSERT(dd_str_ctx);
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(dd_str_ctx->res_str_id, VDECDD_STREAM_TYPE_ID,
+ (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(core_str_ctx);
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("UNMAP: PM [0x%p] --> VM [0x%08X - 0x%08X] (%d bytes)",
+ ddbuf_map_info->ddbuf_info.cpu_virt,
+ ddbuf_map_info->ddbuf_info.dev_virt,
+ ddbuf_map_info->ddbuf_info.dev_virt +
+ ddbuf_map_info->ddbuf_info.buf_size,
+ ddbuf_map_info->ddbuf_info.buf_size);
+#endif
+
+ /* Buffer should only be held by the client. */
+ VDEC_ASSERT(ddbuf_map_info->ddbuf_info.ref_count == 1);
+ if (ddbuf_map_info->ddbuf_info.ref_count != 1)
+ return IMG_ERROR_MEMORY_IN_USE;
+
+ ddbuf_map_info->ddbuf_info.ref_count = 0;
+
+ if (ddbuf_map_info->buf_type == VDEC_BUFTYPE_PICTURE) {
+ /* Remove this picture buffer from pictbuf list */
+ ret = resource_list_remove(&core_str_ctx->pict_buf_list, ddbuf_map_info);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS || ret == IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE);
+ if (ret != IMG_SUCCESS && ret != IMG_ERROR_COULD_NOT_OBTAIN_RESOURCE)
+ return ret;
+
+ ddbuf_map_info->ddstr_context->map_buf_info.num_buf--;
+
+ /*
+ * Clear some state if there are no more
+ * mapped buffers.
+ */
+ if (dd_str_ctx->map_buf_info.num_buf == 0) {
+ dd_str_ctx->map_buf_info.buf_size = 0;
+ dd_str_ctx->map_buf_info.byte_interleave = FALSE;
+ }
+ }
+
+ /* Unmap this buffer from the MMU. */
+ ret = mmu_free_mem_sg(dd_str_ctx->mmu_str_handle, &ddbuf_map_info->ddbuf_info);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Free buffer map info. */
+ rman_free_resource(ddbuf_map_info->res_handle);
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_stream_flush
+ */
+int core_stream_flush(unsigned int res_str_id, unsigned char discard_refs)
+{
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+ struct core_stream_context *core_str_ctx;
+ int ret;
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID,
+ (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_ctx = core_str_ctx->dd_str_ctx;
+
+ VDEC_ASSERT(dd_str_ctx);
+ VDEC_ASSERT(dd_str_ctx->dd_str_state == VDECDD_STRSTATE_STOPPED);
+
+ /*
+ * If unsupported sequence is found, we need to do additional
+ * check for DPB flush condition
+ */
+ if (!dd_str_ctx->comseq_hdr_info.not_dpb_flush) {
+ ret = decoder_stream_flush(dd_str_ctx->dec_ctx, discard_refs);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_stream_release_bufs
+ */
+int core_stream_release_bufs(unsigned int res_str_id, enum vdec_buf_type buf_type)
+{
+ int ret;
+ struct core_stream_context *core_str_ctx;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID, (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_ctx = core_str_ctx->dd_str_ctx;
+
+ VDEC_ASSERT(dd_str_ctx);
+ VDEC_ASSERT(buf_type < VDEC_BUFTYPE_MAX);
+
+ switch (buf_type) {
+ case VDEC_BUFTYPE_PICTURE:
+ {
+ /* Empty all the decoded picture related buffer lists. */
+ ret = resource_list_empty(&core_str_ctx->pict_buf_list, TRUE, NULL, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ break;
+ }
+
+ case VDEC_BUFTYPE_BITSTREAM:
+ {
+ /* Empty the stream unit queue. */
+ ret = resource_list_empty(&core_str_ctx->str_unit_list, FALSE,
+ (resource_pfn_freeitem)core_fn_free_stream_unit,
+ core_str_ctx);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ break;
+ }
+
+ case VDEC_BUFTYPE_ALL:
+ {
+ /* Empty all the decoded picture related buffer lists. */
+ ret = resource_list_empty(&core_str_ctx->pict_buf_list, TRUE, NULL, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+
+ /* Empty the stream unit queue. */
+ ret = resource_list_empty(&core_str_ctx->str_unit_list, FALSE,
+ (resource_pfn_freeitem)core_fn_free_stream_unit,
+ core_str_ctx);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ break;
+ }
+
+ default:
+ {
+ ret = IMG_ERROR_INVALID_PARAMETERS;
+ VDEC_ASSERT(FALSE);
+ break;
+ }
+ }
+
+ if (buf_type == VDEC_BUFTYPE_PICTURE || buf_type == VDEC_BUFTYPE_ALL) {
+ ret = decoder_stream_release_buffers(dd_str_ctx->dec_ctx);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_stream_get_status
+ */
+int core_stream_get_status(unsigned int res_str_id,
+ struct vdecdd_decstr_status *str_st)
+{
+ int ret;
+ struct core_stream_context *core_str_ctx;
+ struct vdecdd_ddstr_ctx *dd_str_ctx;
+
+ /* Get access to stream context.. */
+ ret = rman_get_resource(res_str_id, VDECDD_STREAM_TYPE_ID, (void **)&core_str_ctx, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dd_str_ctx = core_str_ctx->dd_str_ctx;
+
+ VDEC_ASSERT(dd_str_ctx);
+ VDEC_ASSERT(str_st);
+
+ ret = decoder_stream_get_status(dd_str_ctx->dec_ctx, str_st);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Return success.. */
+ return IMG_SUCCESS;
+}
+
+#ifdef HAS_HEVC
+/*
+ * @Function core_free_hevc_picture_resource
+ */
+static int core_free_hevc_picture_resource(struct core_stream_context *core_strctx,
+ struct vdecdd_pict_resint *pic_res_int)
+{
+ int ret = IMG_SUCCESS;
+
+ ret = core_free_resbuf(&pic_res_int->genc_fragment_buf,
+ core_strctx->dd_str_ctx->mmu_str_handle);
+ if (ret != IMG_SUCCESS)
+ pr_err("MMU_Free for Genc Fragment buffer failed with error %u", ret);
+
+ return ret;
+}
+
+/*
+ * @Function core_free_hevc_sequence_resource
+ */
+static int core_free_hevc_sequence_resource(struct core_stream_context *core_strctx,
+ struct vdecdd_seq_resint *seq_res_int)
+{
+ unsigned int i;
+ int local_result = IMG_SUCCESS;
+ int ret = IMG_SUCCESS;
+
+ for (i = 0; i < GENC_BUFF_COUNT; ++i) {
+ local_result = core_free_resbuf(&seq_res_int->genc_buffers[i],
+ core_strctx->dd_str_ctx->mmu_str_handle);
+ if (local_result != IMG_SUCCESS) {
+ ret = local_result;
+ pr_warn("MMU_Free for GENC buffer %u failed with error %u", i,
+ local_result);
+ }
+ }
+
+ local_result = core_free_resbuf(&seq_res_int->intra_buffer,
+ core_strctx->dd_str_ctx->mmu_str_handle);
+ if (local_result != IMG_SUCCESS) {
+ ret = local_result;
+ pr_warn("MMU_Free for GENC buffer %u failed with error %u", i, local_result);
+ }
+
+ local_result = core_free_resbuf(&seq_res_int->aux_buffer,
+ core_strctx->dd_str_ctx->mmu_str_handle);
+ if (local_result != IMG_SUCCESS) {
+ ret = local_result;
+ pr_warn("MMU_Free for GENC buffer %u failed with error %u", i, local_result);
+ }
+
+ return ret;
+}
+
+/*
+ * @Function core_hevc_bufs_get_size
+ */
+static int core_hevc_bufs_get_size(struct core_stream_context *core_strctx,
+ const struct vdec_comsequ_hdrinfo *seqhdr_info,
+ struct vdec_pict_size *max_pict_size,
+ struct core_pict_bufsize_info *size_info,
+ struct core_seq_resinfo *seqres_info,
+ unsigned char *resource_needed)
+{
+ enum vdec_vid_std vid_std = core_strctx->dd_str_ctx->str_config_data.vid_std;
+ unsigned int std_idx = vid_std - 1;
+
+ static const unsigned short max_slice_segments_list
+ [HEVC_LEVEL_MAJOR_NUM][HEVC_LEVEL_MINOR_NUM] = {
+ /* level: 1.0 1.1 1.2 */
+ { 16, 0, 0, },
+ /* level: 2.0 2.1 2.2 */
+ { 16, 20, 0, },
+ /* level: 3.0 3.1 3.2 */
+ { 30, 40, 0, },
+ /* level: 4.0 4.1 4.2 */
+ { 75, 75, 0, },
+ /* level: 5.0 5.1 5.2 */
+ { 200, 200, 200, },
+ /* level: 6.0 6.1 6.2 */
+ { 600, 600, 600, }
+ };
+
+ static const unsigned char max_tile_cols_list
+ [HEVC_LEVEL_MAJOR_NUM][HEVC_LEVEL_MINOR_NUM] = {
+ /* level: 1.0 1.1 1.2 */
+ { 1, 0, 0, },
+ /* level: 2.0 2.1 2.2 */
+ { 1, 1, 0, },
+ /* level: 3.0 3.1 3.2 */
+ { 2, 3, 0, },
+ /* level: 4.0 4.1 4.2 */
+ { 5, 5, 0, },
+ /* level: 5.0 5.1 5.2 */
+ { 10, 10, 10, },
+ /* level: 6.0 6.1 6.2 */
+ { 20, 20, 20, }
+ };
+
+ /* TRM 3.11.11 */
+ static const unsigned int total_sample_per_mb[PIXEL_FORMAT_444 + 1] = {
+ 256, 384, 384, 512, 768};
+
+ static const unsigned int HEVC_LEVEL_IDC_MIN = 30;
+ static const unsigned int HEVC_LEVEL_IDC_MAX = 186;
+ static const unsigned int GENC_ALIGNMENT = 0x1000;
+ static const unsigned int mb_size = 16;
+ static const unsigned int max_mb_rows_in_ctu = 4;
+ static const unsigned int bytes_per_fragment_pointer = 16;
+
+ const unsigned int max_tile_height_in_mbs =
+ seqhdr_info->max_frame_size.height / mb_size;
+
+ signed char level_maj = seqhdr_info->codec_level / 30;
+ signed char level_min = (seqhdr_info->codec_level % 30) / 3;
+
+ /*
+ * If we are somehow able to deliver more information here (CTU size,
+ * number of tile columns/rows) then memory usage could be reduced
+ */
+ const struct pixel_pixinfo *pix_info = &seqhdr_info->pixel_info;
+ const unsigned int bit_depth = pix_info->bitdepth_y >= pix_info->bitdepth_c ?
+ pix_info->bitdepth_y : pix_info->bitdepth_c;
+ unsigned short max_slice_segments;
+ unsigned char max_tile_cols;
+ unsigned int raw_byte_per_mb;
+ unsigned int *genc_fragment_bufsize;
+ unsigned int *genc_buf_size;
+
+ /* Reset the MB parameters buffer size. */
+ size_info->mbparams_bufsize = 0;
+ *resource_needed = TRUE;
+
+ if (mbparam_allocinfo[std_idx].alloc_mbparam_bufs) {
+ /* shall be == 64 (0x40)*/
+ const unsigned int align = mbparam_allocinfo[std_idx].mbparam_size;
+ const unsigned int dpb_width = (max_pict_size->width + align * 2 - 1) / align * 2;
+ const unsigned int pic_height = (max_pict_size->height + align - 1) / align;
+ const unsigned int pic_width = (max_pict_size->width + align - 1) / align;
+
+ /* calculating for worst case: max frame size, B-frame */
+ size_info->mbparams_bufsize = (align * 2) * pic_width * pic_height +
+ align * dpb_width * pic_height;
+
+ /* Adjust the buffer size for MSVDX. */
+ vdecddutils_buf_vxd_adjust_size(&size_info->mbparams_bufsize);
+ }
+
+ if (seqhdr_info->codec_level > HEVC_LEVEL_IDC_MAX ||
+ seqhdr_info->codec_level < HEVC_LEVEL_IDC_MIN) {
+ level_maj = 6;
+ level_min = 2;
+ }
+
+ if (level_maj > 0 && level_maj <= HEVC_LEVEL_MAJOR_NUM &&
+ level_min >= 0 && level_min < HEVC_LEVEL_MINOR_NUM) {
+ max_slice_segments = max_slice_segments_list[level_maj - 1][level_min];
+ max_tile_cols = max_tile_cols_list[level_maj - 1][level_min];
+ } else {
+ pr_err("%s: Invalid parameters\n", __func__);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ raw_byte_per_mb = total_sample_per_mb[pix_info->chroma_fmt_idc] *
+ VDEC_ALIGN_SIZE(bit_depth, 8, unsigned int, int) / 8;
+
+ genc_fragment_bufsize = &size_info->hevc_bufsize_pict.genc_fragment_bufsize;
+ genc_buf_size = &seqres_info->hevc_bufsize_seqres.genc_bufsize;
+
+ *genc_fragment_bufsize = bytes_per_fragment_pointer * (seqhdr_info->max_frame_size.height /
+ mb_size * max_tile_cols + max_slice_segments - 1) * max_mb_rows_in_ctu;
+
+ /*
+ * GencBufferSize formula is taken from TRM and found by HW * CSIM teams for a sensible
+ * streams i.e. size_of_stream < size_of_output_YUV. In videostream data base it's
+ * possible to find pathological Argon streams that do not fulfill this sensible
+ * requirement. eg. #58417, #58419, #58421, #58423. To make a #58417 stream running the
+ * formula below should be changed from (2 * 384) *... ---> (3 * 384) *...
+ * This solution is applied by DEVA.
+ */
+ *genc_buf_size = 2 * raw_byte_per_mb * seqhdr_info->max_frame_size.width /
+ mb_size * max_tile_height_in_mbs / 4;
+
+ *genc_buf_size = VDEC_ALIGN_SIZE(*genc_buf_size, GENC_ALIGNMENT,
+ unsigned int, unsigned int);
+ *genc_fragment_bufsize = VDEC_ALIGN_SIZE(*genc_fragment_bufsize, GENC_ALIGNMENT,
+ unsigned int, unsigned int);
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("Sizes for GENC in HEVC: 0x%X (frag), 0x%X (x4)",
+ *genc_fragment_bufsize,
+ *genc_buf_size);
+#endif
+
+ seqres_info->hevc_bufsize_seqres.intra_bufsize = 4 * seqhdr_info->max_frame_size.width;
+ if (seqhdr_info->pixel_info.mem_pkg != PIXEL_BIT8_MP)
+ seqres_info->hevc_bufsize_seqres.intra_bufsize *= 2;
+
+ seqres_info->hevc_bufsize_seqres.aux_bufsize = (512 * 1024);
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_is_hevc_stream_resource_suitable
+ */
+static unsigned char
+core_is_hevc_stream_resource_suitable(struct core_pict_resinfo *pict_res_info,
+ struct core_pict_resinfo *old_pict_res_info,
+ struct core_seq_resinfo *seq_res_info,
+ struct core_seq_resinfo *old_seq_res_info)
+{
+ return (seq_res_info->hevc_bufsize_seqres.genc_bufsize <=
+ old_seq_res_info->hevc_bufsize_seqres.genc_bufsize &&
+ seq_res_info->hevc_bufsize_seqres.intra_bufsize <=
+ old_seq_res_info->hevc_bufsize_seqres.intra_bufsize &&
+ seq_res_info->hevc_bufsize_seqres.aux_bufsize <=
+ old_seq_res_info->hevc_bufsize_seqres.aux_bufsize &&
+ pict_res_info->size_info.hevc_bufsize_pict.genc_fragment_bufsize <=
+ old_pict_res_info->size_info.hevc_bufsize_pict.genc_fragment_bufsize);
+}
+
+/*
+ * @Function core_alloc_hevc_specific_seq_buffers
+ */
+static int
+core_alloc_hevc_specific_seq_buffers(struct core_stream_context *core_strctx,
+ struct vdecdd_seq_resint *seqres_int,
+ struct vxdio_mempool mempool,
+ struct core_seq_resinfo *seqres_info)
+{
+ unsigned int i;
+ int ret = IMG_SUCCESS;
+
+ /* Allocate GENC buffers */
+ for (i = 0; i < GENC_BUFF_COUNT; ++i) {
+ /* Allocate the GENC buffer info structure. */
+ ret = core_alloc_resbuf(&seqres_int->genc_buffers[i],
+ seqres_info->hevc_bufsize_seqres.genc_bufsize,
+ core_strctx->dd_str_ctx->mmu_str_handle,
+ mempool);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ seqres_int->genc_buf_id = ++core_strctx->std_spec_context.hevc_ctx.genc_id_gen;
+
+ /* Allocate the intra buffer info structure. */
+ ret = core_alloc_resbuf(&seqres_int->intra_buffer,
+ seqres_info->hevc_bufsize_seqres.intra_bufsize,
+ core_strctx->dd_str_ctx->mmu_str_handle,
+ mempool);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Allocate the aux buffer info structure. */
+ ret = core_alloc_resbuf(&seqres_int->aux_buffer,
+ seqres_info->hevc_bufsize_seqres.aux_bufsize,
+ core_strctx->dd_str_ctx->mmu_str_handle,
+ mempool);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function core_alloc_hevc_specific_pict_buffers
+ */
+static int
+core_alloc_hevc_specific_pict_buffers(struct core_stream_context *core_strctx,
+ struct vdecdd_pict_resint *pict_res_int,
+ struct vxdio_mempool mempool,
+ struct core_pict_resinfo *pict_res_info)
+{
+ int ret;
+
+ /* Allocate the GENC fragment buffer. */
+ ret = core_alloc_resbuf(&pict_res_int->genc_fragment_buf,
+ pict_res_info->size_info.hevc_bufsize_pict.genc_fragment_bufsize,
+ core_strctx->dd_str_ctx->mmu_str_handle,
+ mempool);
+
+ return ret;
+}
+#endif
diff --git a/drivers/staging/media/vxd/decoder/core.h b/drivers/staging/media/vxd/decoder/core.h
new file mode 100644
index 000000000000..23a2ec835a15
--- /dev/null
+++ b/drivers/staging/media/vxd/decoder/core.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * VXD Decoder CORE and V4L2 Node Interface header
+ *
+ * Copyright (c) Imagination Technologies Ltd.
+ * Copyright (c) 2021 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Authors:
+ * Sunita Nadampalli <sunitan@...com>
+ *
+ * Re-written for upstream
+ * Sidraya Jayagond <sidraya.bj@...hpartnertech.com>
+ * Prashanth Kumar Amai <prashanth.ka@...hpartnertech.com>
+ */
+
+#ifndef __CORE_H__
+#define __CORE_H__
+
+#include <linux/types.h>
+#include "decoder.h"
+
+int core_initialise(void *dev_handle, unsigned int internal_heap_id,
+ void *cb);
+
+/**
+ * core_deinitialise - deinitialise core
+ */
+int core_deinitialise(void);
+
+int core_supported_features(struct vdec_features *features);
+
+int core_stream_create(void *vxd_dec_ctx_arg,
+ const struct vdec_str_configdata *str_cfgdata,
+ unsigned int *res_str_id);
+
+int core_stream_destroy(unsigned int res_str_id);
+
+int core_stream_play(unsigned int res_str_id);
+
+int core_stream_stop(unsigned int res_str_id);
+
+int core_stream_map_buf(unsigned int res_str_id, enum vdec_buf_type buf_type,
+ struct vdec_buf_info *buf_info, unsigned int *buf_map_id);
+
+int core_stream_map_buf_sg(unsigned int res_str_id,
+ enum vdec_buf_type buf_type,
+ struct vdec_buf_info *buf_info,
+ void *sgt, unsigned int *buf_map_id);
+
+int core_stream_unmap_buf(unsigned int buf_map_id);
+
+int core_stream_unmap_buf_sg(unsigned int buf_map_id);
+
+int core_stream_submit_unit(unsigned int res_str_id,
+ struct vdecdd_str_unit *str_unit);
+
+int core_stream_fill_pictbuf(unsigned int buf_map_id);
+
+/* This function to be called before stream play */
+int core_stream_set_output_config(unsigned int res_str_id,
+ struct vdec_str_opconfig *str_opcfg,
+ struct vdec_pict_bufconfig *pict_bufcg);
+
+int core_stream_flush(unsigned int res_str_id, unsigned char discard_refs);
+
+int core_stream_release_bufs(unsigned int res_str_id,
+ enum vdec_buf_type buf_type);
+
+int core_stream_get_status(unsigned int res_str_id,
+ struct vdecdd_decstr_status *str_status);
+
+#endif
--
2.17.1
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