diff options
Diffstat (limited to 'drivers/staging/intel_sst/intel_sst_stream_encoded.c')
| -rw-r--r-- | drivers/staging/intel_sst/intel_sst_stream_encoded.c | 1273 |
1 files changed, 0 insertions, 1273 deletions
diff --git a/drivers/staging/intel_sst/intel_sst_stream_encoded.c b/drivers/staging/intel_sst/intel_sst_stream_encoded.c deleted file mode 100644 index 2be58c5cba02..000000000000 --- a/drivers/staging/intel_sst/intel_sst_stream_encoded.c +++ /dev/null @@ -1,1273 +0,0 @@ -/* - * intel_sst_stream.c - Intel SST Driver for audio engine - * - * Copyright (C) 2008-10 Intel Corp - * Authors: Vinod Koul <vinod.koul@intel.com> - * Harsha Priya <priya.harsha@intel.com> - * Dharageswari R <dharageswari.r@intel.com> - * KP Jeeja <jeeja.kp@intel.com> - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This file contains the stream operations of SST driver - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/pci.h> -#include <linux/syscalls.h> -#include <linux/firmware.h> -#include <linux/sched.h> -#ifdef CONFIG_MRST_RAR_HANDLER -#include <linux/rar_register.h> -#include "../memrar/memrar.h" -#endif -#include "intel_sst_ioctl.h" -#include "intel_sst.h" -#include "intel_sst_fw_ipc.h" -#include "intel_sst_common.h" -/** -* sst_get_stream_params - Send msg to query for stream parameters -* @str_id: stream id for which the parameters are queried for -* @get_params: out parameters to which the parameters are copied to -* -* This function is called when the stream parameters are queiried for -*/ -int sst_get_stream_params(int str_id, - struct snd_sst_get_stream_params *get_params) -{ - int retval = 0; - struct ipc_post *msg = NULL; - struct stream_info *str_info; - struct snd_sst_fw_get_stream_params *fw_params; - - pr_debug("get_stream for %d\n", str_id); - retval = sst_validate_strid(str_id); - if (retval) - return retval; - - str_info = &sst_drv_ctx->streams[str_id]; - if (str_info->status != STREAM_UN_INIT) { - if (str_info->ctrl_blk.on == true) { - pr_err("control path in use\n"); - return -EINVAL; - } - if (sst_create_short_msg(&msg)) { - pr_err("message creation failed\n"); - return -ENOMEM; - } - fw_params = kzalloc(sizeof(*fw_params), GFP_ATOMIC); - if (!fw_params) { - pr_err("mem allocation failed\n"); - kfree(msg); - return -ENOMEM; - } - - sst_fill_header(&msg->header, IPC_IA_GET_STREAM_PARAMS, - 0, str_id); - str_info->ctrl_blk.condition = false; - str_info->ctrl_blk.ret_code = 0; - str_info->ctrl_blk.on = true; - str_info->ctrl_blk.data = (void *) fw_params; - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - retval = sst_wait_interruptible_timeout(sst_drv_ctx, - &str_info->ctrl_blk, SST_BLOCK_TIMEOUT); - if (retval) { - get_params->codec_params.result = retval; - kfree(fw_params); - return -EIO; - } - memcpy(&get_params->pcm_params, &fw_params->pcm_params, - sizeof(fw_params->pcm_params)); - memcpy(&get_params->codec_params.sparams, - &fw_params->codec_params, - sizeof(fw_params->codec_params)); - get_params->codec_params.result = 0; - get_params->codec_params.stream_id = str_id; - get_params->codec_params.codec = str_info->codec; - get_params->codec_params.ops = str_info->ops; - get_params->codec_params.stream_type = str_info->str_type; - kfree(fw_params); - } else { - pr_debug("Stream is not in the init state\n"); - } - return retval; -} - -/** - * sst_set_stream_param - Send msg for setting stream parameters - * - * @str_id: stream id - * @str_param: stream params - * - * This function sets stream params during runtime - */ -int sst_set_stream_param(int str_id, struct snd_sst_params *str_param) -{ - int retval = 0; - struct ipc_post *msg = NULL; - struct stream_info *str_info; - - BUG_ON(!str_param); - if (sst_drv_ctx->streams[str_id].ops != str_param->ops) { - pr_err("Invalid operation\n"); - return -EINVAL; - } - retval = sst_validate_strid(str_id); - if (retval) - return retval; - pr_debug("set_stream for %d\n", str_id); - str_info = &sst_drv_ctx->streams[str_id]; - if (sst_drv_ctx->streams[str_id].status == STREAM_INIT) { - if (str_info->ctrl_blk.on == true) { - pr_err("control path in use\n"); - return -EAGAIN; - } - if (sst_create_large_msg(&msg)) - return -ENOMEM; - - sst_fill_header(&msg->header, - IPC_IA_SET_STREAM_PARAMS, 1, str_id); - str_info->ctrl_blk.condition = false; - str_info->ctrl_blk.ret_code = 0; - str_info->ctrl_blk.on = true; - msg->header.part.data = sizeof(u32) + - sizeof(str_param->sparams); - memcpy(msg->mailbox_data, &msg->header, sizeof(u32)); - memcpy(msg->mailbox_data + sizeof(u32), &str_param->sparams, - sizeof(str_param->sparams)); - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - retval = sst_wait_interruptible_timeout(sst_drv_ctx, - &str_info->ctrl_blk, SST_BLOCK_TIMEOUT); - if (retval < 0) { - retval = -EIO; - sst_clean_stream(str_info); - } - } else { - retval = -EBADRQC; - pr_err("BADQRC for stream\n"); - } - return retval; -} - -/** -* sst_get_vol - This function allows to get the premix gain or gain of a stream -* -* @get_vol: this is an output param through which the volume -* structure is passed back to user -* -* This function is called when the premix gain or stream gain is queried for -*/ -int sst_get_vol(struct snd_sst_vol *get_vol) -{ - int retval = 0; - struct ipc_post *msg = NULL; - struct snd_sst_vol *fw_get_vol; - int str_id = get_vol->stream_id; - - pr_debug("get vol called\n"); - - if (sst_create_short_msg(&msg)) - return -ENOMEM; - - sst_fill_header(&msg->header, - IPC_IA_GET_STREAM_VOL, 0, str_id); - sst_drv_ctx->vol_info_blk.condition = false; - sst_drv_ctx->vol_info_blk.ret_code = 0; - sst_drv_ctx->vol_info_blk.on = true; - fw_get_vol = kzalloc(sizeof(*fw_get_vol), GFP_ATOMIC); - if (!fw_get_vol) { - pr_err("mem allocation failed\n"); - kfree(msg); - return -ENOMEM; - } - sst_drv_ctx->vol_info_blk.data = (void *)fw_get_vol; - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - retval = sst_wait_interruptible_timeout(sst_drv_ctx, - &sst_drv_ctx->vol_info_blk, SST_BLOCK_TIMEOUT); - if (retval) - retval = -EIO; - else { - pr_debug("stream id %d\n", fw_get_vol->stream_id); - pr_debug("volume %d\n", fw_get_vol->volume); - pr_debug("ramp duration %d\n", fw_get_vol->ramp_duration); - pr_debug("ramp_type %d\n", fw_get_vol->ramp_type); - memcpy(get_vol, fw_get_vol, sizeof(*fw_get_vol)); - } - return retval; -} - -/** -* sst_set_vol - This function allows to set the premix gain or gain of a stream -* -* @set_vol: this holds the volume structure that needs to be set -* -* This function is called when premix gain or stream gain is requested to be set -*/ -int sst_set_vol(struct snd_sst_vol *set_vol) -{ - - int retval = 0; - struct ipc_post *msg = NULL; - - pr_debug("set vol called\n"); - - if (sst_create_large_msg(&msg)) { - pr_err("message creation failed\n"); - return -ENOMEM; - } - sst_fill_header(&msg->header, IPC_IA_SET_STREAM_VOL, 1, - set_vol->stream_id); - - msg->header.part.data = sizeof(u32) + sizeof(*set_vol); - memcpy(msg->mailbox_data, &msg->header, sizeof(u32)); - memcpy(msg->mailbox_data + sizeof(u32), set_vol, sizeof(*set_vol)); - sst_drv_ctx->vol_info_blk.condition = false; - sst_drv_ctx->vol_info_blk.ret_code = 0; - sst_drv_ctx->vol_info_blk.on = true; - sst_drv_ctx->vol_info_blk.data = set_vol; - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - retval = sst_wait_interruptible_timeout(sst_drv_ctx, - &sst_drv_ctx->vol_info_blk, SST_BLOCK_TIMEOUT); - if (retval) { - pr_err("error in set_vol = %d\n", retval); - retval = -EIO; - } - return retval; -} - -/** -* sst_set_mute - This function sets premix mute or soft mute of a stream -* -* @set_mute: this holds the mute structure that needs to be set -* -* This function is called when premix mute or stream mute requested to be set -*/ -int sst_set_mute(struct snd_sst_mute *set_mute) -{ - - int retval = 0; - struct ipc_post *msg = NULL; - - pr_debug("set mute called\n"); - - if (sst_create_large_msg(&msg)) { - pr_err("message creation failed\n"); - return -ENOMEM; - } - sst_fill_header(&msg->header, IPC_IA_SET_STREAM_MUTE, 1, - set_mute->stream_id); - sst_drv_ctx->mute_info_blk.condition = false; - sst_drv_ctx->mute_info_blk.ret_code = 0; - sst_drv_ctx->mute_info_blk.on = true; - sst_drv_ctx->mute_info_blk.data = set_mute; - - msg->header.part.data = sizeof(u32) + sizeof(*set_mute); - memcpy(msg->mailbox_data, &msg->header, sizeof(u32)); - memcpy(msg->mailbox_data + sizeof(u32), set_mute, - sizeof(*set_mute)); - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - retval = sst_wait_interruptible_timeout(sst_drv_ctx, - &sst_drv_ctx->mute_info_blk, SST_BLOCK_TIMEOUT); - if (retval) { - pr_err("error in set_mute = %d\n", retval); - retval = -EIO; - } - return retval; -} - -int sst_prepare_target(struct snd_sst_slot_info *slot) -{ - if (slot->target_device == SND_SST_TARGET_PMIC - && slot->device_instance == 1) { - /*music mode*/ - if (sst_drv_ctx->pmic_port_instance == 0) - sst_drv_ctx->scard_ops->set_voice_port( - DEACTIVATE); - } else if ((slot->target_device == SND_SST_TARGET_PMIC || - slot->target_device == SND_SST_TARGET_MODEM) && - slot->device_instance == 0) { - /*voip mode where pcm0 is active*/ - if (sst_drv_ctx->pmic_port_instance == 1) - sst_drv_ctx->scard_ops->set_audio_port( - DEACTIVATE); - } - return 0; -} - -int sst_activate_target(struct snd_sst_slot_info *slot) -{ - if (slot->target_device == SND_SST_TARGET_PMIC && - slot->device_instance == 1) { - /*music mode*/ - sst_drv_ctx->pmic_port_instance = 1; - sst_drv_ctx->scard_ops->set_audio_port(ACTIVATE); - sst_drv_ctx->scard_ops->set_pcm_audio_params( - slot->pcm_params.sfreq, - slot->pcm_params.pcm_wd_sz, - slot->pcm_params.num_chan); - if (sst_drv_ctx->pb_streams) - sst_drv_ctx->scard_ops->power_up_pmic_pb(1); - if (sst_drv_ctx->cp_streams) - sst_drv_ctx->scard_ops->power_up_pmic_cp(1); - } else if ((slot->target_device == SND_SST_TARGET_PMIC || - slot->target_device == SND_SST_TARGET_MODEM) && - slot->device_instance == 0) { - /*voip mode where pcm0 is active*/ - sst_drv_ctx->pmic_port_instance = 0; - sst_drv_ctx->scard_ops->set_voice_port( - ACTIVATE); - sst_drv_ctx->scard_ops->power_up_pmic_pb(0); - /*sst_drv_ctx->scard_ops->power_up_pmic_cp(0);*/ - } - return 0; -} - -int sst_parse_target(struct snd_sst_slot_info *slot) -{ - int retval = 0; - - if (slot->action == SND_SST_PORT_ACTIVATE && - slot->device_type == SND_SST_DEVICE_PCM) { - retval = sst_activate_target(slot); - if (retval) - pr_err("SST_Activate_target_fail\n"); - else - pr_err("SST_Activate_target_pass\n"); - } else if (slot->action == SND_SST_PORT_PREPARE && - slot->device_type == SND_SST_DEVICE_PCM) { - retval = sst_prepare_target(slot); - if (retval) - pr_err("SST_prepare_target_fail\n"); - else - pr_err("SST_prepare_target_pass\n"); - } else { - pr_err("slot_action : %d, device_type: %d\n", - slot->action, slot->device_type); - } - return retval; -} - -int sst_send_target(struct snd_sst_target_device *target) -{ - int retval; - struct ipc_post *msg; - - if (sst_create_large_msg(&msg)) { - pr_err("message creation failed\n"); - return -ENOMEM; - } - sst_fill_header(&msg->header, IPC_IA_TARGET_DEV_SELECT, 1, 0); - sst_drv_ctx->tgt_dev_blk.condition = false; - sst_drv_ctx->tgt_dev_blk.ret_code = 0; - sst_drv_ctx->tgt_dev_blk.on = true; - - msg->header.part.data = sizeof(u32) + sizeof(*target); - memcpy(msg->mailbox_data, &msg->header, sizeof(u32)); - memcpy(msg->mailbox_data + sizeof(u32), target, - sizeof(*target)); - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - pr_debug("message sent- waiting\n"); - retval = sst_wait_interruptible_timeout(sst_drv_ctx, - &sst_drv_ctx->tgt_dev_blk, TARGET_DEV_BLOCK_TIMEOUT); - if (retval) - pr_err("target device ipc failed = 0x%x\n", retval); - return retval; - -} - -int sst_target_device_validate(struct snd_sst_target_device *target) -{ - int retval = 0; - int i; - - for (i = 0; i < SST_MAX_TARGET_DEVICES; i++) { - if (target->devices[i].device_type == SND_SST_DEVICE_PCM) { - /*pcm device, check params*/ - if (target->devices[i].device_instance == 1) { - if ((target->devices[i].device_mode != - SND_SST_DEV_MODE_PCM_MODE4_I2S) && - (target->devices[i].device_mode != - SND_SST_DEV_MODE_PCM_MODE4_RIGHT_JUSTIFIED) - && (target->devices[i].device_mode != - SND_SST_DEV_MODE_PCM_MODE1)) - goto err; - } else if (target->devices[i].device_instance == 0) { - if ((target->devices[i].device_mode != - SND_SST_DEV_MODE_PCM_MODE2) - && (target->devices[i].device_mode != - SND_SST_DEV_MODE_PCM_MODE4_I2S) - && (target->devices[i].device_mode != - SND_SST_DEV_MODE_PCM_MODE1)) - goto err; - if (target->devices[i].pcm_params.sfreq != 8000 - || target->devices[i].pcm_params.num_chan != 1 - || target->devices[i].pcm_params.pcm_wd_sz != - 16) - goto err; - } else { -err: - pr_err("i/p params incorrect\n"); - return -EINVAL; - } - } - } - return retval; -} - -/** - * sst_target_device_select - This function sets the target device configurations - * - * @target: this parameter holds the configurations to be set - * - * This function is called when the user layer wants to change the target - * device's configurations - */ - -int sst_target_device_select(struct snd_sst_target_device *target) -{ - int retval, i, prepare_count = 0; - - pr_debug("Target Device Select\n"); - - if (target->device_route < 0 || target->device_route > 2) { - pr_err("device route is invalid\n"); - return -EINVAL; - } - - if (target->device_route != 0) { - pr_err("Unsupported config\n"); - return -EIO; - } - retval = sst_target_device_validate(target); - if (retval) - return retval; - - retval = sst_send_target(target); - if (retval) - return retval; - for (i = 0; i < SST_MAX_TARGET_DEVICES; i++) { - if (target->devices[i].action == SND_SST_PORT_ACTIVATE) { - pr_debug("activate called in %d\n", i); - retval = sst_parse_target(&target->devices[i]); - if (retval) - return retval; - } else if (target->devices[i].action == SND_SST_PORT_PREPARE) { - pr_debug("PREPARE in %d, Forwarding\n", i); - retval = sst_parse_target(&target->devices[i]); - if (retval) { - pr_err("Parse Target fail %d\n", retval); - return retval; - } - pr_debug("Parse Target successful %d\n", retval); - if (target->devices[i].device_type == - SND_SST_DEVICE_PCM) - prepare_count++; - } - } - if (target->devices[0].action == SND_SST_PORT_PREPARE && - prepare_count == 0) - sst_drv_ctx->scard_ops->power_down_pmic(); - - return retval; -} -#ifdef CONFIG_MRST_RAR_HANDLER -/*This function gets the physical address of the secure memory from the handle*/ -static inline int sst_get_RAR(struct RAR_buffer *buffers, int count) -{ - int retval = 0, rar_status = 0; - - rar_status = rar_handle_to_bus(buffers, count); - - if (count != rar_status) { - pr_err("The rar CALL Failed"); - retval = -EIO; - } - if (buffers->info.type != RAR_TYPE_AUDIO) { - pr_err("Invalid RAR type\n"); - return -EINVAL; - } - return retval; -} - -#endif - -/* This function creates the scatter gather list to be sent to firmware to -capture/playback data*/ -static int sst_create_sg_list(struct stream_info *stream, - struct sst_frame_info *sg_list) -{ - struct sst_stream_bufs *kbufs = NULL; -#ifdef CONFIG_MRST_RAR_HANDLER - struct RAR_buffer rar_buffers; - int retval = 0; -#endif - int i = 0; - list_for_each_entry(kbufs, &stream->bufs, node) { - if (kbufs->in_use == false) { -#ifdef CONFIG_MRST_RAR_HANDLER - if (stream->ops == STREAM_OPS_PLAYBACK_DRM) { - pr_debug("DRM playback handling\n"); - rar_buffers.info.handle = (__u32)kbufs->addr; - rar_buffers.info.size = kbufs->size; - pr_debug("rar handle 0x%x size=0x%x\n", - rar_buffers.info.handle, - rar_buffers.info.size); - retval = sst_get_RAR(&rar_buffers, 1); - - if (retval) - return retval; - sg_list->addr[i].addr = rar_buffers.bus_address; - /* rar_buffers.info.size; */ - sg_list->addr[i].size = (__u32)kbufs->size; - pr_debug("phyaddr[%d] 0x%x Size:0x%x\n" - , i, sg_list->addr[i].addr, - sg_list->addr[i].size); - } -#endif - if (stream->ops != STREAM_OPS_PLAYBACK_DRM) { - sg_list->addr[i].addr = - virt_to_phys((void *) - kbufs->addr + kbufs->offset); - sg_list->addr[i].size = kbufs->size; - pr_debug("phyaddr[%d]:0x%x Size:0x%x\n" - , i , sg_list->addr[i].addr, kbufs->size); - } - stream->curr_bytes += sg_list->addr[i].size; - kbufs->in_use = true; - i++; - } - if (i >= MAX_NUM_SCATTER_BUFFERS) - break; - } - - sg_list->num_entries = i; - pr_debug("sg list entries = %d\n", sg_list->num_entries); - return i; -} - - -/** - * sst_play_frame - Send msg for sending stream frames - * - * @str_id: ID of stream - * - * This function is called to send data to be played out - * to the firmware - */ -int sst_play_frame(int str_id) -{ - int i = 0, retval = 0; - struct ipc_post *msg = NULL; - struct sst_frame_info sg_list = {0}; - struct sst_stream_bufs *kbufs = NULL, *_kbufs; - struct stream_info *stream; - - pr_debug("play frame for %d\n", str_id); - retval = sst_validate_strid(str_id); - if (retval) - return retval; - - stream = &sst_drv_ctx->streams[str_id]; - /* clear prev sent buffers */ - list_for_each_entry_safe(kbufs, _kbufs, &stream->bufs, node) { - if (kbufs->in_use == true) { - spin_lock(&stream->pcm_lock); - list_del(&kbufs->node); - spin_unlock(&stream->pcm_lock); - kfree(kbufs); - } - } - /* update bytes sent */ - stream->cumm_bytes += stream->curr_bytes; - stream->curr_bytes = 0; - if (list_empty(&stream->bufs)) { - /* no user buffer available */ - pr_debug("Null buffer stream status %d\n", stream->status); - stream->prev = stream->status; - stream->status = STREAM_INIT; - pr_debug("new stream status = %d\n", stream->status); - if (stream->need_draining == true) { - pr_debug("draining stream\n"); - if (sst_create_short_msg(&msg)) { - pr_err("mem allocation failed\n"); - return -ENOMEM; - } - sst_fill_header(&msg->header, IPC_IA_DRAIN_STREAM, - 0, str_id); - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, - &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - } else if (stream->data_blk.on == true) { - pr_debug("user list empty.. wake\n"); - /* unblock */ - stream->data_blk.ret_code = 0; - stream->data_blk.condition = true; - stream->data_blk.on = false; - wake_up(&sst_drv_ctx->wait_queue); - } - return 0; - } - - /* create list */ - i = sst_create_sg_list(stream, &sg_list); - - /* post msg */ - if (sst_create_large_msg(&msg)) - return -ENOMEM; - - sst_fill_header(&msg->header, IPC_IA_PLAY_FRAMES, 1, str_id); - msg->header.part.data = sizeof(u32) + sizeof(sg_list); - memcpy(msg->mailbox_data, &msg->header, sizeof(u32)); - memcpy(msg->mailbox_data + sizeof(u32), &sg_list, sizeof(sg_list)); - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - return 0; - -} - -/** - * sst_capture_frame - Send msg for sending stream frames - * - * @str_id: ID of stream - * - * This function is called to capture data from the firmware - */ -int sst_capture_frame(int str_id) -{ - int i = 0, retval = 0; - struct ipc_post *msg = NULL; - struct sst_frame_info sg_list = {0}; - struct sst_stream_bufs *kbufs = NULL, *_kbufs; - struct stream_info *stream; - - - pr_debug("capture frame for %d\n", str_id); - retval = sst_validate_strid(str_id); - if (retval) - return retval; - stream = &sst_drv_ctx->streams[str_id]; - /* clear prev sent buffers */ - list_for_each_entry_safe(kbufs, _kbufs, &stream->bufs, node) { - if (kbufs->in_use == true) { - list_del(&kbufs->node); - kfree(kbufs); - pr_debug("del node\n"); - } - } - if (list_empty(&stream->bufs)) { - /* no user buffer available */ - pr_debug("Null buffer!!!!stream status %d\n", - stream->status); - stream->prev = stream->status; - stream->status = STREAM_INIT; - pr_debug("new stream status = %d\n", - stream->status); - if (stream->data_blk.on == true) { - pr_debug("user list empty.. wake\n"); - /* unblock */ - stream->data_blk.ret_code = 0; - stream->data_blk.condition = true; - stream->data_blk.on = false; - wake_up(&sst_drv_ctx->wait_queue); - - } - return 0; - } - /* create new sg list */ - i = sst_create_sg_list(stream, &sg_list); - - /* post msg */ - if (sst_create_large_msg(&msg)) - return -ENOMEM; - - sst_fill_header(&msg->header, IPC_IA_CAPT_FRAMES, 1, str_id); - msg->header.part.data = sizeof(u32) + sizeof(sg_list); - memcpy(msg->mailbox_data, &msg->header, sizeof(u32)); - memcpy(msg->mailbox_data + sizeof(u32), &sg_list, sizeof(sg_list)); - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - - - /*update bytes recevied*/ - stream->cumm_bytes += stream->curr_bytes; - stream->curr_bytes = 0; - - pr_debug("Cum bytes = %d\n", stream->cumm_bytes); - return 0; -} - -/*This function is used to calculate the minimum size of input buffers given*/ -static unsigned int calculate_min_size(struct snd_sst_buffs *bufs) -{ - int i, min_val = bufs->buff_entry[0].size; - for (i = 1 ; i < bufs->entries; i++) { - if (bufs->buff_entry[i].size < min_val) - min_val = bufs->buff_entry[i].size; - } - pr_debug("min_val = %d\n", min_val); - return min_val; -} - -static unsigned int calculate_max_size(struct snd_sst_buffs *bufs) -{ - int i, max_val = bufs->buff_entry[0].size; - for (i = 1 ; i < bufs->entries; i++) { - if (bufs->buff_entry[i].size > max_val) - max_val = bufs->buff_entry[i].size; - } - pr_debug("max_val = %d\n", max_val); - return max_val; -} - -/*This function is used to allocate input and output buffers to be sent to -the firmware that will take encoded data and return decoded data*/ -static int sst_allocate_decode_buf(struct stream_info *str_info, - struct snd_sst_dbufs *dbufs, - unsigned int cum_input_given, - unsigned int cum_output_given) -{ -#ifdef CONFIG_MRST_RAR_HANDLER - if (str_info->ops == STREAM_OPS_PLAYBACK_DRM) { - - if (dbufs->ibufs->type == SST_BUF_RAR && - dbufs->obufs->type == SST_BUF_RAR) { - if (dbufs->ibufs->entries == dbufs->obufs->entries) - return 0; - else { - pr_err("RAR entries dont match\n"); - return -EINVAL; - } - } else - str_info->decode_osize = cum_output_given; - return 0; - - } -#endif - if (!str_info->decode_ibuf) { - pr_debug("no i/p buffers, trying full size\n"); - str_info->decode_isize = cum_input_given; - str_info->decode_ibuf = kzalloc(str_info->decode_isize, - GFP_KERNEL); - str_info->idecode_alloc = str_info->decode_isize; - } - if (!str_info->decode_ibuf) { - pr_debug("buff alloc failed, try max size\n"); - str_info->decode_isize = calculate_max_size(dbufs->ibufs); - str_info->decode_ibuf = kzalloc( - str_info->decode_isize, GFP_KERNEL); - str_info->idecode_alloc = str_info->decode_isize; - } - if (!str_info->decode_ibuf) { - pr_debug("buff alloc failed, try min size\n"); - str_info->decode_isize = calculate_min_size(dbufs->ibufs); - str_info->decode_ibuf = kzalloc(str_info->decode_isize, - GFP_KERNEL); - if (!str_info->decode_ibuf) { - pr_err("mem allocation failed\n"); - return -ENOMEM; - } - str_info->idecode_alloc = str_info->decode_isize; - } - str_info->decode_osize = cum_output_given; - if (str_info->decode_osize > sst_drv_ctx->mmap_len) - str_info->decode_osize = sst_drv_ctx->mmap_len; - return 0; -} - -/*This function is used to send the message to firmware to decode the data*/ -static int sst_send_decode_mess(int str_id, struct stream_info *str_info, - struct snd_sst_decode_info *dec_info) -{ - struct ipc_post *msg = NULL; - int retval = 0; - - pr_debug("SST DBG:sst_set_mute:called\n"); - - if (str_info->decode_ibuf_type == SST_BUF_RAR) { -#ifdef CONFIG_MRST_RAR_HANDLER - dec_info->frames_in.addr[0].addr = - (unsigned long)str_info->decode_ibuf; - dec_info->frames_in.addr[0].size = - str_info->decode_isize; -#endif - - } else { - dec_info->frames_in.addr[0].addr = virt_to_phys((void *) - str_info->decode_ibuf); - dec_info->frames_in.addr[0].size = str_info->decode_isize; - } - - - if (str_info->decode_obuf_type == SST_BUF_RAR) { -#ifdef CONFIG_MRST_RAR_HANDLER - dec_info->frames_out.addr[0].addr = - (unsigned long)str_info->decode_obuf; - dec_info->frames_out.addr[0].size = str_info->decode_osize; -#endif - - } else { - dec_info->frames_out.addr[0].addr = virt_to_phys((void *) - str_info->decode_obuf) ; - dec_info->frames_out.addr[0].size = str_info->decode_osize; - } - - dec_info->frames_in.num_entries = 1; - dec_info->frames_out.num_entries = 1; - dec_info->frames_in.rsrvd = 0; - dec_info->frames_out.rsrvd = 0; - dec_info->input_bytes_consumed = 0; - dec_info->output_bytes_produced = 0; - if (sst_create_large_msg(&msg)) { - pr_err("message creation failed\n"); - return -ENOMEM; - } - - sst_fill_header(&msg->header, IPC_IA_DECODE_FRAMES, 1, str_id); - msg->header.part.data = sizeof(u32) + sizeof(*dec_info); - memcpy(msg->mailbox_data, &msg->header, sizeof(u32)); - memcpy(msg->mailbox_data + sizeof(u32), dec_info, - sizeof(*dec_info)); - spin_lock(&sst_drv_ctx->list_spin_lock); - list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); - spin_unlock(&sst_drv_ctx->list_spin_lock); - str_info->data_blk.condition = false; - str_info->data_blk.ret_code = 0; - str_info->data_blk.on = true; - str_info->data_blk.data = dec_info; - sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); - retval = sst_wait_interruptible(sst_drv_ctx, &str_info->data_blk); - return retval; -} - -#ifdef CONFIG_MRST_RAR_HANDLER -static int sst_prepare_input_buffers_rar(struct stream_info *str_info, - struct snd_sst_dbufs *dbufs, - int *input_index, int *in_copied, - int *input_index_valid_size, int *new_entry_flag) -{ - int retval = 0, i; - - if (str_info->ops == STREAM_OPS_PLAYBACK_DRM) { - struct RAR_buffer rar_buffers; - __u32 info; - retval = copy_from_user((void *) &info, - dbufs->ibufs->buff_entry[i].buffer, - sizeof(__u32)); - if (retval) { - pr_err("cpy from user fail\n"); - return -EAGAIN; - } - rar_buffers.info.type = dbufs->ibufs->type; - rar_buffers.info.size = dbufs->ibufs->buff_entry[i].size; - rar_buffers.info.handle = info; - pr_debug("rar in DnR(input buffer function)=0x%x size=0x%x", - rar_buffers.info.handle, - rar_buffers.info.size); - retval = sst_get_RAR(&rar_buffers, 1); - if (retval) { - pr_debug("SST ERR: RAR API failed\n"); - return retval; - } - str_info->decode_ibuf = - (void *) ((unsigned long) rar_buffers.bus_address); - pr_debug("RAR buf addr in DnR (input buffer function)0x%lu", - (unsigned long) str_info->decode_ibuf); - pr_debug("rar in DnR decode function/output b_add rar =0x%lu", - (unsigned long) rar_buffers.bus_address); - *input_index = i + 1; - str_info->decode_isize = dbufs->ibufs->buff_entry[i].size; - str_info->decode_ibuf_type = dbufs->ibufs->type; - *in_copied = str_info->decode_isize; - } - return retval; -} -#endif -/*This function is used to prepare the kernel input buffers with contents -before sending for decode*/ -static int sst_prepare_input_buffers(struct stream_info *str_info, - struct snd_sst_dbufs *dbufs, - int *input_index, int *in_copied, - int *input_index_valid_size, int *new_entry_flag) -{ - int i, cpy_size, retval = 0; - - pr_debug("input_index = %d, input entries = %d\n", - *input_index, dbufs->ibufs->entries); - for (i = *input_index; i < dbufs->ibufs->entries; i++) { -#ifdef CONFIG_MRST_RAR_HANDLER - retval = sst_prepare_input_buffers_rar(str_info, - dbufs, input_index, in_copied, - input_index_valid_size, new_entry_flag); - if (retval) { - pr_err("In prepare input buffers for RAR\n"); - return -EIO; - } -#endif - *input_index = i; - if (*input_index_valid_size == 0) - *input_index_valid_size = - dbufs->ibufs->buff_entry[i].size; - pr_debug("inout addr = %p, size = %d\n", - dbufs->ibufs->buff_entry[i].buffer, - *input_index_valid_size); - pr_debug("decode_isize = %d, in_copied %d\n", - str_info->decode_isize, *in_copied); - if (*input_index_valid_size <= - (str_info->decode_isize - *in_copied)) - cpy_size = *input_index_valid_size; - else - cpy_size = str_info->decode_isize - *in_copied; - - pr_debug("cpy size = %d\n", cpy_size); - if (!dbufs->ibufs->buff_entry[i].buffer) { - pr_err("i/p buffer is null\n"); - return -EINVAL; - } - pr_debug("Try copy To %p, From %p, size %d\n", - str_info->decode_ibuf + *in_copied, - dbufs->ibufs->buff_entry[i].buffer, cpy_size); - - retval = - copy_from_user((void *)(str_info->decode_ibuf + *in_copied), - (void *) dbufs->ibufs->buff_entry[i].buffer, - cpy_size); - if (retval) { - pr_err("copy from user failed\n"); - return -EIO; - } - *in_copied += cpy_size; - *input_index_valid_size -= cpy_size; - pr_debug("in buff size = %d, in_copied = %d\n", - *input_index_valid_size, *in_copied); - if (*input_index_valid_size != 0) { - pr_debug("more input buffers left\n"); - dbufs->ibufs->buff_entry[i].buffer += cpy_size; - break; - } - if (*in_copied == str_info->decode_isize && - *input_index_valid_size == 0 && - (i+1) <= dbufs->ibufs->entries) { - pr_debug("all input buffers copied\n"); - *new_entry_flag = true; - *input_index = i + 1; - break; - } - } - return retval; -} - -/* This function is used to copy the decoded data from kernel buffers to -the user output buffers with contents after decode*/ -static int sst_prepare_output_buffers(struct stream_info *str_info, - struct snd_sst_dbufs *dbufs, - int *output_index, int output_size, - int *out_copied) - -{ - int i, cpy_size, retval = 0; - pr_debug("output_index = %d, output entries = %d\n", - *output_index, - dbufs->obufs->entries); - for (i = *output_index; i < dbufs->obufs->entries; i++) { - *output_index = i; - pr_debug("output addr = %p, size = %d\n", - dbufs->obufs->buff_entry[i].buffer, - dbufs->obufs->buff_entry[i].size); - pr_debug("output_size = %d, out_copied = %d\n", - output_size, *out_copied); - if (dbufs->obufs->buff_entry[i].size < - (output_size - *out_copied)) - cpy_size = dbufs->obufs->buff_entry[i].size; - else - cpy_size = output_size - *out_copied; - pr_debug("cpy size = %d\n", cpy_size); - pr_debug("Try copy To: %p, From %p, size %d\n", - dbufs->obufs->buff_entry[i].buffer, - sst_drv_ctx->mmap_mem + *out_copied, - cpy_size); - retval = copy_to_user(dbufs->obufs->buff_entry[i].buffer, - sst_drv_ctx->mmap_mem + *out_copied, - cpy_size); - if (retval) { - pr_err("copy to user failed\n"); - return -EIO; - } else - pr_debug("copy to user passed\n"); - *out_copied += cpy_size; - dbufs->obufs->buff_entry[i].size -= cpy_size; - pr_debug("o/p buff size %d, out_copied %d\n", - dbufs->obufs->buff_entry[i].size, *out_copied); - if (dbufs->obufs->buff_entry[i].size != 0) { - *output_index = i; - dbufs->obufs->buff_entry[i].buffer += cpy_size; - break; - } else if (*out_copied == output_size) { - *output_index = i + 1; - break; - } - } - return retval; -} - -/** - * sst_decode - Send msg for decoding frames - * - * @str_id: ID of stream - * @dbufs: param that holds the user input and output buffers and size - * - * This function is called to decode data from the firmware - */ -int sst_decode(int str_id, struct snd_sst_dbufs *dbufs) -{ - int retval = 0, i; - unsigned long long total_input = 0 , total_output = 0; - unsigned int cum_input_given = 0 , cum_output_given = 0; - int copy_in_done = false, copy_out_done = false; - int input_index = 0, output_index = 0; - int input_index_valid_size = 0; - int in_copied, out_copied; - int new_entry_flag; - u64 output_size; - struct stream_info *str_info; - struct snd_sst_decode_info dec_info; - unsigned long long input_bytes, output_bytes; - - sst_drv_ctx->scard_ops->power_down_pmic(); - pr_debug("Powering_down_PMIC...\n"); - - retval = sst_validate_strid(str_id); - if (retval) - return retval; - - str_info = &sst_drv_ctx->streams[str_id]; - if (str_info->status != STREAM_INIT) { - pr_err("invalid stream state = %d\n", - str_info->status); - return -EINVAL; - } - - str_info->prev = str_info->status; - str_info->status = STREAM_DECODE; - - for (i = 0; i < dbufs->ibufs->entries; i++) - cum_input_given += dbufs->ibufs->buff_entry[i].size; - for (i = 0; i < dbufs->obufs->entries; i++) - cum_output_given += dbufs->obufs->buff_entry[i].size; - - /* input and output buffer allocation */ - retval = sst_allocate_decode_buf(str_info, dbufs, - cum_input_given, cum_output_given); - if (retval) { - pr_err("mem allocation failed, abort!!!\n"); - retval = -ENOMEM; - goto finish; - } - - str_info->decode_isize = str_info->idecode_alloc; - str_info->decode_ibuf_type = dbufs->ibufs->type; - str_info->decode_obuf_type = dbufs->obufs->type; - - while ((copy_out_done == false) && (copy_in_done == false)) { - in_copied = 0; - new_entry_flag = false; - retval = sst_prepare_input_buffers(str_info,\ - dbufs, &input_index, &in_copied, - &input_index_valid_size, &new_entry_flag); - if (retval) { - pr_err("prepare in buffers failed\n"); - goto finish; - } - - if (str_info->ops != STREAM_OPS_PLAYBACK_DRM) - str_info->decode_obuf = sst_drv_ctx->mmap_mem; - -#ifdef CONFIG_MRST_RAR_HANDLER - else { - if (dbufs->obufs->type == SST_BUF_RAR) { - struct RAR_buffer rar_buffers; - __u32 info; - - pr_debug("DRM"); - retval = copy_from_user((void *) &info, - dbufs->obufs-> - buff_entry[output_index].buffer, - sizeof(__u32)); - - rar_buffers.info.size = dbufs->obufs-> - buff_entry[output_index].size; - rar_buffers.info.handle = info; - retval = sst_get_RAR(&rar_buffers, 1); - if (retval) - return retval; - - str_info->decode_obuf = (void *)((unsigned long) - rar_buffers.bus_address); - str_info->decode_osize = dbufs->obufs-> - buff_entry[output_index].size; - str_info->decode_obuf_type = dbufs->obufs->type; - pr_debug("DRM handling\n"); - pr_debug("o/p_add=0x%lu Size=0x%x\n", - (unsigned long) str_info->decode_obuf, - str_info->decode_osize); - } else { - str_info->decode_obuf = sst_drv_ctx->mmap_mem; - str_info->decode_osize = dbufs->obufs-> - buff_entry[output_index].size; - - } - } -#endif - if (str_info->ops != STREAM_OPS_PLAYBACK_DRM) { - if (str_info->decode_isize > in_copied) { - str_info->decode_isize = in_copied; - pr_debug("i/p size = %d\n", - str_info->decode_isize); - } - } - - - retval = sst_send_decode_mess(str_id, str_info, &dec_info); - if (retval || dec_info.input_bytes_consumed == 0) { - pr_err("SST ERR: mess failed or no input consumed\n"); - goto finish; - } - input_bytes = dec_info.input_bytes_consumed; - output_bytes = dec_info.output_bytes_produced; - - pr_debug("in_copied=%d, con=%lld, prod=%lld\n", - in_copied, input_bytes, output_bytes); - if (dbufs->obufs->type == SST_BUF_RAR) { - output_index += 1; - if (output_index == dbufs->obufs->entries) { - copy_in_done = true; - pr_debug("all i/p cpy done\n"); - } - total_output += output_bytes; - } else { - out_copied = 0; - output_size = output_bytes; - retval = sst_prepare_output_buffers(str_info, dbufs, - &output_index, output_size, &out_copied); - if (retval) { - pr_err("prep out buff fail\n"); - goto finish; - } - if (str_info->ops != STREAM_OPS_PLAYBACK_DRM) { - if (in_copied != input_bytes) { - int bytes_left = in_copied - - input_bytes; - pr_debug("bytes %d\n", - bytes_left); - if (new_entry_flag == true) - input_index--; - while (bytes_left) { - struct snd_sst_buffs *ibufs; - struct snd_sst_buff_entry - *buff_entry; - unsigned int size_sent; - - ibufs = dbufs->ibufs; - buff_entry = - &ibufs->buff_entry[input_index]; - size_sent = buff_entry->size -\ - input_index_valid_size; - if (bytes_left == size_sent) { - bytes_left = 0; - } else if (bytes_left < - size_sent) { - buff_entry->buffer += - (size_sent - - bytes_left); - buff_entry->size -= - (size_sent - - bytes_left); - bytes_left = 0; - } else { - bytes_left -= size_sent; - input_index--; - input_index_valid_size = - 0; - } - } - - } - } - - total_output += out_copied; - if (str_info->decode_osize != out_copied) { - str_info->decode_osize -= out_copied; - pr_debug("output size modified = %d\n", - str_info->decode_osize); - } - } - total_input += input_bytes; - - if (str_info->ops == STREAM_OPS_PLAYBACK_DRM) { - if (total_input == cum_input_given) - copy_in_done = true; - copy_out_done = true; - - } else { - if (total_output == cum_output_given) { - copy_out_done = true; - pr_debug("all o/p cpy done\n"); - } - - if (total_input == cum_input_given) { - copy_in_done = true; - pr_debug("all i/p cpy done\n"); - } - } - - pr_debug("copy_out = %d, copy_in = %d\n", - copy_out_done, copy_in_done); - } - -finish: - dbufs->input_bytes_consumed = total_input; - dbufs->output_bytes_produced = total_output; - str_info->status = str_info->prev; - str_info->prev = STREAM_DECODE; - kfree(str_info->decode_ibuf); - str_info->decode_ibuf = NULL; - return retval; -} |