From 07833cd0569bb73cc9f82814cdab921abb3dfb4a Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Tue, 6 Oct 2020 08:48:58 +0200 Subject: ASoC: Intel: Remove baytrail solution sound/soc/intel/baytrail is a niche solution which supports limited number of BYT products - as described by snd_soc_acpi_intel_baytrail_legacy_machines table. For a long time it's deprecated in favor of sound/soc/intel/atom solution with SOF providing support for some products too effectively rendering /baytrail/ redundant. Remove deprecated code from ASoC tree. Signed-off-by: Cezary Rojewski Reviewed-by: Andy Shevchenko Acked-by: Liam Girdwood Link: https://lore.kernel.org/r/20201006064907.16277-5-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/baytrail/sst-baytrail-ipc.c | 772 ---------------------------- 1 file changed, 772 deletions(-) delete mode 100644 sound/soc/intel/baytrail/sst-baytrail-ipc.c (limited to 'sound/soc/intel/baytrail/sst-baytrail-ipc.c') diff --git a/sound/soc/intel/baytrail/sst-baytrail-ipc.c b/sound/soc/intel/baytrail/sst-baytrail-ipc.c deleted file mode 100644 index 34746fd871b0..000000000000 --- a/sound/soc/intel/baytrail/sst-baytrail-ipc.c +++ /dev/null @@ -1,772 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Intel Baytrail SST IPC Support - * Copyright (c) 2014, Intel Corporation. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "sst-baytrail-ipc.h" -#include "../common/sst-dsp.h" -#include "../common/sst-dsp-priv.h" -#include "../common/sst-ipc.h" - -/* IPC message timeout */ -#define IPC_TIMEOUT_MSECS 300 -#define IPC_BOOT_MSECS 200 - -#define IPC_EMPTY_LIST_SIZE 8 - -/* IPC header bits */ -#define IPC_HEADER_MSG_ID_MASK 0xff -#define IPC_HEADER_MSG_ID(x) ((x) & IPC_HEADER_MSG_ID_MASK) -#define IPC_HEADER_STR_ID_SHIFT 8 -#define IPC_HEADER_STR_ID_MASK 0x1f -#define IPC_HEADER_STR_ID(x) (((x) & 0x1f) << IPC_HEADER_STR_ID_SHIFT) -#define IPC_HEADER_LARGE_SHIFT 13 -#define IPC_HEADER_LARGE(x) (((x) & 0x1) << IPC_HEADER_LARGE_SHIFT) -#define IPC_HEADER_DATA_SHIFT 16 -#define IPC_HEADER_DATA_MASK 0x3fff -#define IPC_HEADER_DATA(x) (((x) & 0x3fff) << IPC_HEADER_DATA_SHIFT) - -/* mask for differentiating between notification and reply message */ -#define IPC_NOTIFICATION (0x1 << 7) - -/* I2L Stream config/control msgs */ -#define IPC_IA_ALLOC_STREAM 0x20 -#define IPC_IA_FREE_STREAM 0x21 -#define IPC_IA_PAUSE_STREAM 0x24 -#define IPC_IA_RESUME_STREAM 0x25 -#define IPC_IA_DROP_STREAM 0x26 -#define IPC_IA_START_STREAM 0x30 - -/* notification messages */ -#define IPC_IA_FW_INIT_CMPLT 0x81 -#define IPC_SST_PERIOD_ELAPSED 0x97 - -/* IPC messages between host and ADSP */ -struct sst_byt_address_info { - u32 addr; - u32 size; -} __packed; - -struct sst_byt_str_type { - u8 codec_type; - u8 str_type; - u8 operation; - u8 protected_str; - u8 time_slots; - u8 reserved; - u16 result; -} __packed; - -struct sst_byt_pcm_params { - u8 num_chan; - u8 pcm_wd_sz; - u8 use_offload_path; - u8 reserved; - u32 sfreq; - u8 channel_map[8]; -} __packed; - -struct sst_byt_frames_info { - u16 num_entries; - u16 rsrvd; - u32 frag_size; - struct sst_byt_address_info ring_buf_info[8]; -} __packed; - -struct sst_byt_alloc_params { - struct sst_byt_str_type str_type; - struct sst_byt_pcm_params pcm_params; - struct sst_byt_frames_info frame_info; -} __packed; - -struct sst_byt_alloc_response { - struct sst_byt_str_type str_type; - u8 reserved[88]; -} __packed; - -struct sst_byt_start_stream_params { - u32 byte_offset; -} __packed; - -struct sst_byt_tstamp { - u64 ring_buffer_counter; - u64 hardware_counter; - u64 frames_decoded; - u64 bytes_decoded; - u64 bytes_copied; - u32 sampling_frequency; - u32 channel_peak[8]; -} __packed; - -struct sst_byt_fw_version { - u8 build; - u8 minor; - u8 major; - u8 type; -} __packed; - -struct sst_byt_fw_build_info { - u8 date[16]; - u8 time[16]; -} __packed; - -struct sst_byt_fw_init { - struct sst_byt_fw_version fw_version; - struct sst_byt_fw_build_info build_info; - u16 result; - u8 module_id; - u8 debug_info; -} __packed; - -struct sst_byt_stream; -struct sst_byt; - -/* stream infomation */ -struct sst_byt_stream { - struct list_head node; - - /* configuration */ - struct sst_byt_alloc_params request; - struct sst_byt_alloc_response reply; - - /* runtime info */ - struct sst_byt *byt; - int str_id; - bool commited; - bool running; - - /* driver callback */ - u32 (*notify_position)(struct sst_byt_stream *stream, void *data); - void *pdata; -}; - -/* SST Baytrail IPC data */ -struct sst_byt { - struct device *dev; - struct sst_dsp *dsp; - - /* stream */ - struct list_head stream_list; - - /* boot */ - wait_queue_head_t boot_wait; - bool boot_complete; - struct sst_fw *fw; - - /* IPC messaging */ - struct sst_generic_ipc ipc; -}; - -static inline u64 sst_byt_header(int msg_id, int data, bool large, int str_id) -{ - return IPC_HEADER_MSG_ID(msg_id) | IPC_HEADER_STR_ID(str_id) | - IPC_HEADER_LARGE(large) | IPC_HEADER_DATA(data) | - SST_BYT_IPCX_BUSY; -} - -static inline u16 sst_byt_header_msg_id(u64 header) -{ - return header & IPC_HEADER_MSG_ID_MASK; -} - -static inline u8 sst_byt_header_str_id(u64 header) -{ - return (header >> IPC_HEADER_STR_ID_SHIFT) & IPC_HEADER_STR_ID_MASK; -} - -static inline u16 sst_byt_header_data(u64 header) -{ - return (header >> IPC_HEADER_DATA_SHIFT) & IPC_HEADER_DATA_MASK; -} - -static struct sst_byt_stream *sst_byt_get_stream(struct sst_byt *byt, - int stream_id) -{ - struct sst_byt_stream *stream; - - list_for_each_entry(stream, &byt->stream_list, node) { - if (stream->str_id == stream_id) - return stream; - } - - return NULL; -} - -static void sst_byt_stream_update(struct sst_byt *byt, struct ipc_message *msg) -{ - struct sst_byt_stream *stream; - u64 header = msg->tx.header; - u8 stream_id = sst_byt_header_str_id(header); - u8 stream_msg = sst_byt_header_msg_id(header); - - stream = sst_byt_get_stream(byt, stream_id); - if (stream == NULL) - return; - - switch (stream_msg) { - case IPC_IA_DROP_STREAM: - case IPC_IA_PAUSE_STREAM: - case IPC_IA_FREE_STREAM: - stream->running = false; - break; - case IPC_IA_START_STREAM: - case IPC_IA_RESUME_STREAM: - stream->running = true; - break; - } -} - -static int sst_byt_process_reply(struct sst_byt *byt, u64 header) -{ - struct ipc_message *msg; - - msg = sst_ipc_reply_find_msg(&byt->ipc, header); - if (msg == NULL) - return 1; - - msg->rx.header = header; - if (header & IPC_HEADER_LARGE(true)) { - msg->rx.size = sst_byt_header_data(header); - sst_dsp_inbox_read(byt->dsp, msg->rx.data, msg->rx.size); - } - - /* update any stream states */ - sst_byt_stream_update(byt, msg); - - list_del(&msg->list); - /* wake up */ - sst_ipc_tx_msg_reply_complete(&byt->ipc, msg); - - return 1; -} - -static void sst_byt_fw_ready(struct sst_byt *byt, u64 header) -{ - dev_dbg(byt->dev, "ipc: DSP is ready 0x%llX\n", header); - - byt->boot_complete = true; - wake_up(&byt->boot_wait); -} - -static int sst_byt_process_notification(struct sst_byt *byt, - unsigned long *flags) -{ - struct sst_dsp *sst = byt->dsp; - struct sst_byt_stream *stream; - u64 header; - u8 msg_id, stream_id; - - header = sst_dsp_shim_read64_unlocked(sst, SST_IPCD); - msg_id = sst_byt_header_msg_id(header); - - switch (msg_id) { - case IPC_SST_PERIOD_ELAPSED: - stream_id = sst_byt_header_str_id(header); - stream = sst_byt_get_stream(byt, stream_id); - if (stream && stream->running && stream->notify_position) { - spin_unlock_irqrestore(&sst->spinlock, *flags); - stream->notify_position(stream, stream->pdata); - spin_lock_irqsave(&sst->spinlock, *flags); - } - break; - case IPC_IA_FW_INIT_CMPLT: - sst_byt_fw_ready(byt, header); - break; - } - - return 1; -} - -static irqreturn_t sst_byt_irq_thread(int irq, void *context) -{ - struct sst_dsp *sst = (struct sst_dsp *) context; - struct sst_byt *byt = sst_dsp_get_thread_context(sst); - struct sst_generic_ipc *ipc = &byt->ipc; - u64 header; - unsigned long flags; - - spin_lock_irqsave(&sst->spinlock, flags); - - header = sst_dsp_shim_read64_unlocked(sst, SST_IPCD); - if (header & SST_BYT_IPCD_BUSY) { - if (header & IPC_NOTIFICATION) { - /* message from ADSP */ - sst_byt_process_notification(byt, &flags); - } else { - /* reply from ADSP */ - sst_byt_process_reply(byt, header); - } - /* - * clear IPCD BUSY bit and set DONE bit. Tell DSP we have - * processed the message and can accept new. Clear data part - * of the header - */ - sst_dsp_shim_update_bits64_unlocked(sst, SST_IPCD, - SST_BYT_IPCD_DONE | SST_BYT_IPCD_BUSY | - IPC_HEADER_DATA(IPC_HEADER_DATA_MASK), - SST_BYT_IPCD_DONE); - /* unmask message request interrupts */ - sst_dsp_shim_update_bits64_unlocked(sst, SST_IMRX, - SST_BYT_IMRX_REQUEST, 0); - } - - spin_unlock_irqrestore(&sst->spinlock, flags); - - /* continue to send any remaining messages... */ - schedule_work(&ipc->kwork); - - return IRQ_HANDLED; -} - -/* stream API */ -struct sst_byt_stream *sst_byt_stream_new(struct sst_byt *byt, int id, - u32 (*notify_position)(struct sst_byt_stream *stream, void *data), - void *data) -{ - struct sst_byt_stream *stream; - struct sst_dsp *sst = byt->dsp; - unsigned long flags; - - stream = kzalloc(sizeof(*stream), GFP_KERNEL); - if (stream == NULL) - return NULL; - - spin_lock_irqsave(&sst->spinlock, flags); - list_add(&stream->node, &byt->stream_list); - stream->notify_position = notify_position; - stream->pdata = data; - stream->byt = byt; - stream->str_id = id; - spin_unlock_irqrestore(&sst->spinlock, flags); - - return stream; -} - -int sst_byt_stream_set_bits(struct sst_byt *byt, struct sst_byt_stream *stream, - int bits) -{ - stream->request.pcm_params.pcm_wd_sz = bits; - return 0; -} - -int sst_byt_stream_set_channels(struct sst_byt *byt, - struct sst_byt_stream *stream, u8 channels) -{ - stream->request.pcm_params.num_chan = channels; - return 0; -} - -int sst_byt_stream_set_rate(struct sst_byt *byt, struct sst_byt_stream *stream, - unsigned int rate) -{ - stream->request.pcm_params.sfreq = rate; - return 0; -} - -/* stream sonfiguration */ -int sst_byt_stream_type(struct sst_byt *byt, struct sst_byt_stream *stream, - int codec_type, int stream_type, int operation) -{ - stream->request.str_type.codec_type = codec_type; - stream->request.str_type.str_type = stream_type; - stream->request.str_type.operation = operation; - stream->request.str_type.time_slots = 0xc; - - return 0; -} - -int sst_byt_stream_buffer(struct sst_byt *byt, struct sst_byt_stream *stream, - uint32_t buffer_addr, uint32_t buffer_size) -{ - stream->request.frame_info.num_entries = 1; - stream->request.frame_info.ring_buf_info[0].addr = buffer_addr; - stream->request.frame_info.ring_buf_info[0].size = buffer_size; - /* calculate bytes per 4 ms fragment */ - stream->request.frame_info.frag_size = - stream->request.pcm_params.sfreq * - stream->request.pcm_params.num_chan * - stream->request.pcm_params.pcm_wd_sz / 8 * - 4 / 1000; - return 0; -} - -int sst_byt_stream_commit(struct sst_byt *byt, struct sst_byt_stream *stream) -{ - struct sst_ipc_message request, reply = {0}; - int ret; - - request.header = sst_byt_header(IPC_IA_ALLOC_STREAM, - sizeof(stream->request) + sizeof(u32), - true, stream->str_id); - request.data = &stream->request; - request.size = sizeof(stream->request); - reply.data = &stream->reply; - reply.size = sizeof(stream->reply); - - ret = sst_ipc_tx_message_wait(&byt->ipc, request, &reply); - if (ret < 0) { - dev_err(byt->dev, "ipc: error stream commit failed\n"); - return ret; - } - - stream->commited = true; - - return 0; -} - -int sst_byt_stream_free(struct sst_byt *byt, struct sst_byt_stream *stream) -{ - struct sst_ipc_message request = {0}; - int ret = 0; - struct sst_dsp *sst = byt->dsp; - unsigned long flags; - - if (!stream->commited) - goto out; - - request.header = sst_byt_header(IPC_IA_FREE_STREAM, - 0, false, stream->str_id); - ret = sst_ipc_tx_message_wait(&byt->ipc, request, NULL); - if (ret < 0) { - dev_err(byt->dev, "ipc: free stream %d failed\n", - stream->str_id); - return -EAGAIN; - } - - stream->commited = false; -out: - spin_lock_irqsave(&sst->spinlock, flags); - list_del(&stream->node); - kfree(stream); - spin_unlock_irqrestore(&sst->spinlock, flags); - - return ret; -} - -static int sst_byt_stream_operations(struct sst_byt *byt, int type, - int stream_id, int wait) -{ - struct sst_ipc_message request = {0}; - - request.header = sst_byt_header(type, 0, false, stream_id); - if (wait) - return sst_ipc_tx_message_wait(&byt->ipc, request, NULL); - else - return sst_ipc_tx_message_nowait(&byt->ipc, request); -} - -/* stream ALSA trigger operations */ -int sst_byt_stream_start(struct sst_byt *byt, struct sst_byt_stream *stream, - u32 start_offset) -{ - struct sst_byt_start_stream_params start_stream; - struct sst_ipc_message request; - int ret; - - start_stream.byte_offset = start_offset; - request.header = sst_byt_header(IPC_IA_START_STREAM, - sizeof(start_stream) + sizeof(u32), - true, stream->str_id); - request.data = &start_stream; - request.size = sizeof(start_stream); - - ret = sst_ipc_tx_message_nowait(&byt->ipc, request); - if (ret < 0) - dev_err(byt->dev, "ipc: error failed to start stream %d\n", - stream->str_id); - - return ret; -} - -int sst_byt_stream_stop(struct sst_byt *byt, struct sst_byt_stream *stream) -{ - int ret; - - /* don't stop streams that are not commited */ - if (!stream->commited) - return 0; - - ret = sst_byt_stream_operations(byt, IPC_IA_DROP_STREAM, - stream->str_id, 0); - if (ret < 0) - dev_err(byt->dev, "ipc: error failed to stop stream %d\n", - stream->str_id); - return ret; -} - -int sst_byt_stream_pause(struct sst_byt *byt, struct sst_byt_stream *stream) -{ - int ret; - - ret = sst_byt_stream_operations(byt, IPC_IA_PAUSE_STREAM, - stream->str_id, 0); - if (ret < 0) - dev_err(byt->dev, "ipc: error failed to pause stream %d\n", - stream->str_id); - - return ret; -} - -int sst_byt_stream_resume(struct sst_byt *byt, struct sst_byt_stream *stream) -{ - int ret; - - ret = sst_byt_stream_operations(byt, IPC_IA_RESUME_STREAM, - stream->str_id, 0); - if (ret < 0) - dev_err(byt->dev, "ipc: error failed to resume stream %d\n", - stream->str_id); - - return ret; -} - -int sst_byt_get_dsp_position(struct sst_byt *byt, - struct sst_byt_stream *stream, int buffer_size) -{ - struct sst_dsp *sst = byt->dsp; - struct sst_byt_tstamp fw_tstamp; - u8 str_id = stream->str_id; - u32 tstamp_offset; - - tstamp_offset = SST_BYT_TIMESTAMP_OFFSET + str_id * sizeof(fw_tstamp); - memcpy_fromio(&fw_tstamp, - sst->addr.lpe + tstamp_offset, sizeof(fw_tstamp)); - - return do_div(fw_tstamp.ring_buffer_counter, buffer_size); -} - -struct sst_dsp *sst_byt_get_dsp(struct sst_byt *byt) -{ - return byt->dsp; -} - -static struct sst_dsp_device byt_dev = { - .thread = sst_byt_irq_thread, - .ops = &sst_byt_ops, -}; - -int sst_byt_dsp_suspend_late(struct device *dev, struct sst_pdata *pdata) -{ - struct sst_byt *byt = pdata->dsp; - - dev_dbg(byt->dev, "dsp reset\n"); - sst_dsp_reset(byt->dsp); - sst_ipc_drop_all(&byt->ipc); - dev_dbg(byt->dev, "dsp in reset\n"); - - dev_dbg(byt->dev, "free all blocks and unload fw\n"); - sst_fw_unload(byt->fw); - - return 0; -} -EXPORT_SYMBOL_GPL(sst_byt_dsp_suspend_late); - -int sst_byt_dsp_boot(struct device *dev, struct sst_pdata *pdata) -{ - struct sst_byt *byt = pdata->dsp; - int ret; - - dev_dbg(byt->dev, "reload dsp fw\n"); - - sst_dsp_reset(byt->dsp); - - ret = sst_fw_reload(byt->fw); - if (ret < 0) { - dev_err(dev, "error: failed to reload firmware\n"); - return ret; - } - - /* wait for DSP boot completion */ - byt->boot_complete = false; - sst_dsp_boot(byt->dsp); - dev_dbg(byt->dev, "dsp booting...\n"); - - return 0; -} -EXPORT_SYMBOL_GPL(sst_byt_dsp_boot); - -int sst_byt_dsp_wait_for_ready(struct device *dev, struct sst_pdata *pdata) -{ - struct sst_byt *byt = pdata->dsp; - int err; - - dev_dbg(byt->dev, "wait for dsp reboot\n"); - - err = wait_event_timeout(byt->boot_wait, byt->boot_complete, - msecs_to_jiffies(IPC_BOOT_MSECS)); - if (err == 0) { - dev_err(byt->dev, "ipc: error DSP boot timeout\n"); - return -EIO; - } - - dev_dbg(byt->dev, "dsp rebooted\n"); - return 0; -} -EXPORT_SYMBOL_GPL(sst_byt_dsp_wait_for_ready); - -static void byt_tx_msg(struct sst_generic_ipc *ipc, struct ipc_message *msg) -{ - if (msg->tx.header & IPC_HEADER_LARGE(true)) - sst_dsp_outbox_write(ipc->dsp, msg->tx.data, msg->tx.size); - - sst_dsp_shim_write64_unlocked(ipc->dsp, SST_IPCX, msg->tx.header); -} - -static void byt_shim_dbg(struct sst_generic_ipc *ipc, const char *text) -{ - struct sst_dsp *sst = ipc->dsp; - u64 isr, ipcd, imrx, ipcx; - - ipcx = sst_dsp_shim_read64_unlocked(sst, SST_IPCX); - isr = sst_dsp_shim_read64_unlocked(sst, SST_ISRX); - ipcd = sst_dsp_shim_read64_unlocked(sst, SST_IPCD); - imrx = sst_dsp_shim_read64_unlocked(sst, SST_IMRX); - - dev_err(ipc->dev, - "ipc: --%s-- ipcx 0x%llx isr 0x%llx ipcd 0x%llx imrx 0x%llx\n", - text, ipcx, isr, ipcd, imrx); -} - -static void byt_tx_data_copy(struct ipc_message *msg, char *tx_data, - size_t tx_size) -{ - /* msg content = lower 32-bit of the header + data */ - *(u32 *)msg->tx.data = (u32)(msg->tx.header & (u32)-1); - memcpy(msg->tx.data + sizeof(u32), tx_data, tx_size); - msg->tx.size += sizeof(u32); -} - -static u64 byt_reply_msg_match(u64 header, u64 *mask) -{ - /* match reply to message sent based on msg and stream IDs */ - *mask = IPC_HEADER_MSG_ID_MASK | - IPC_HEADER_STR_ID_MASK << IPC_HEADER_STR_ID_SHIFT; - header &= *mask; - - return header; -} - -static bool byt_is_dsp_busy(struct sst_dsp *dsp) -{ - u64 ipcx; - - ipcx = sst_dsp_shim_read64_unlocked(dsp, SST_IPCX); - return (ipcx & (SST_BYT_IPCX_BUSY | SST_BYT_IPCX_DONE)); -} - -int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata) -{ - struct sst_byt *byt; - struct sst_generic_ipc *ipc; - struct sst_fw *byt_sst_fw; - struct sst_byt_fw_init init; - int err; - - dev_dbg(dev, "initialising Byt DSP IPC\n"); - - byt = devm_kzalloc(dev, sizeof(*byt), GFP_KERNEL); - if (byt == NULL) - return -ENOMEM; - - byt->dev = dev; - - ipc = &byt->ipc; - ipc->dev = dev; - ipc->ops.tx_msg = byt_tx_msg; - ipc->ops.shim_dbg = byt_shim_dbg; - ipc->ops.tx_data_copy = byt_tx_data_copy; - ipc->ops.reply_msg_match = byt_reply_msg_match; - ipc->ops.is_dsp_busy = byt_is_dsp_busy; - ipc->tx_data_max_size = IPC_MAX_MAILBOX_BYTES; - ipc->rx_data_max_size = IPC_MAX_MAILBOX_BYTES; - - err = sst_ipc_init(ipc); - if (err != 0) - goto ipc_init_err; - - INIT_LIST_HEAD(&byt->stream_list); - init_waitqueue_head(&byt->boot_wait); - byt_dev.thread_context = byt; - - /* init SST shim */ - byt->dsp = sst_dsp_new(dev, &byt_dev, pdata); - if (byt->dsp == NULL) { - err = -ENODEV; - goto dsp_new_err; - } - - ipc->dsp = byt->dsp; - - /* keep the DSP in reset state for base FW loading */ - sst_dsp_reset(byt->dsp); - - byt_sst_fw = sst_fw_new(byt->dsp, pdata->fw, byt); - if (byt_sst_fw == NULL) { - err = -ENODEV; - dev_err(dev, "error: failed to load firmware\n"); - goto fw_err; - } - - /* wait for DSP boot completion */ - sst_dsp_boot(byt->dsp); - err = wait_event_timeout(byt->boot_wait, byt->boot_complete, - msecs_to_jiffies(IPC_BOOT_MSECS)); - if (err == 0) { - err = -EIO; - dev_err(byt->dev, "ipc: error DSP boot timeout\n"); - goto boot_err; - } - - /* show firmware information */ - sst_dsp_inbox_read(byt->dsp, &init, sizeof(init)); - dev_info(byt->dev, "FW version: %02x.%02x.%02x.%02x\n", - init.fw_version.major, init.fw_version.minor, - init.fw_version.build, init.fw_version.type); - dev_info(byt->dev, "Build type: %x\n", init.fw_version.type); - dev_info(byt->dev, "Build date: %s %s\n", - init.build_info.date, init.build_info.time); - - pdata->dsp = byt; - byt->fw = byt_sst_fw; - - return 0; - -boot_err: - sst_dsp_reset(byt->dsp); - sst_fw_free(byt_sst_fw); -fw_err: - sst_dsp_free(byt->dsp); -dsp_new_err: - sst_ipc_fini(ipc); -ipc_init_err: - - return err; -} -EXPORT_SYMBOL_GPL(sst_byt_dsp_init); - -void sst_byt_dsp_free(struct device *dev, struct sst_pdata *pdata) -{ - struct sst_byt *byt = pdata->dsp; - - sst_dsp_reset(byt->dsp); - sst_fw_free_all(byt->dsp); - sst_dsp_free(byt->dsp); - sst_ipc_fini(&byt->ipc); -} -EXPORT_SYMBOL_GPL(sst_byt_dsp_free); -- cgit v1.2.3-59-g8ed1b