diff options
Diffstat (limited to 'sound/soc/intel/haswell/sst-haswell-ipc.c')
| -rw-r--r-- | sound/soc/intel/haswell/sst-haswell-ipc.c | 2219 |
1 files changed, 2219 insertions, 0 deletions
diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.c b/sound/soc/intel/haswell/sst-haswell-ipc.c new file mode 100644 index 000000000..27957a215 --- /dev/null +++ b/sound/soc/intel/haswell/sst-haswell-ipc.c @@ -0,0 +1,2219 @@ +/* + * Intel SST Haswell/Broadwell IPC Support + * + * Copyright (C) 2013, Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * 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. + * + */ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/device.h> +#include <linux/wait.h> +#include <linux/spinlock.h> +#include <linux/workqueue.h> +#include <linux/export.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/platform_device.h> +#include <linux/kthread.h> +#include <linux/firmware.h> +#include <linux/dma-mapping.h> +#include <linux/debugfs.h> +#include <linux/pm_runtime.h> +#include <sound/asound.h> + +#include "sst-haswell-ipc.h" +#include "../common/sst-dsp.h" +#include "../common/sst-dsp-priv.h" +#include "../common/sst-ipc.h" + +/* Global Message - Generic */ +#define IPC_GLB_TYPE_SHIFT 24 +#define IPC_GLB_TYPE_MASK (0x1f << IPC_GLB_TYPE_SHIFT) +#define IPC_GLB_TYPE(x) (x << IPC_GLB_TYPE_SHIFT) + +/* Global Message - Reply */ +#define IPC_GLB_REPLY_SHIFT 0 +#define IPC_GLB_REPLY_MASK (0x1f << IPC_GLB_REPLY_SHIFT) +#define IPC_GLB_REPLY_TYPE(x) (x << IPC_GLB_REPLY_TYPE_SHIFT) + +/* Stream Message - Generic */ +#define IPC_STR_TYPE_SHIFT 20 +#define IPC_STR_TYPE_MASK (0xf << IPC_STR_TYPE_SHIFT) +#define IPC_STR_TYPE(x) (x << IPC_STR_TYPE_SHIFT) +#define IPC_STR_ID_SHIFT 16 +#define IPC_STR_ID_MASK (0xf << IPC_STR_ID_SHIFT) +#define IPC_STR_ID(x) (x << IPC_STR_ID_SHIFT) + +/* Stream Message - Reply */ +#define IPC_STR_REPLY_SHIFT 0 +#define IPC_STR_REPLY_MASK (0x1f << IPC_STR_REPLY_SHIFT) + +/* Stream Stage Message - Generic */ +#define IPC_STG_TYPE_SHIFT 12 +#define IPC_STG_TYPE_MASK (0xf << IPC_STG_TYPE_SHIFT) +#define IPC_STG_TYPE(x) (x << IPC_STG_TYPE_SHIFT) +#define IPC_STG_ID_SHIFT 10 +#define IPC_STG_ID_MASK (0x3 << IPC_STG_ID_SHIFT) +#define IPC_STG_ID(x) (x << IPC_STG_ID_SHIFT) + +/* Stream Stage Message - Reply */ +#define IPC_STG_REPLY_SHIFT 0 +#define IPC_STG_REPLY_MASK (0x1f << IPC_STG_REPLY_SHIFT) + +/* Debug Log Message - Generic */ +#define IPC_LOG_OP_SHIFT 20 +#define IPC_LOG_OP_MASK (0xf << IPC_LOG_OP_SHIFT) +#define IPC_LOG_OP_TYPE(x) (x << IPC_LOG_OP_SHIFT) +#define IPC_LOG_ID_SHIFT 16 +#define IPC_LOG_ID_MASK (0xf << IPC_LOG_ID_SHIFT) +#define IPC_LOG_ID(x) (x << IPC_LOG_ID_SHIFT) + +/* Module Message */ +#define IPC_MODULE_OPERATION_SHIFT 20 +#define IPC_MODULE_OPERATION_MASK (0xf << IPC_MODULE_OPERATION_SHIFT) +#define IPC_MODULE_OPERATION(x) (x << IPC_MODULE_OPERATION_SHIFT) + +#define IPC_MODULE_ID_SHIFT 16 +#define IPC_MODULE_ID_MASK (0xf << IPC_MODULE_ID_SHIFT) +#define IPC_MODULE_ID(x) (x << IPC_MODULE_ID_SHIFT) + +/* IPC message timeout (msecs) */ +#define IPC_TIMEOUT_MSECS 300 +#define IPC_BOOT_MSECS 200 +#define IPC_MSG_WAIT 0 +#define IPC_MSG_NOWAIT 1 + +/* Firmware Ready Message */ +#define IPC_FW_READY (0x1 << 29) +#define IPC_STATUS_MASK (0x3 << 30) + +#define IPC_EMPTY_LIST_SIZE 8 +#define IPC_MAX_STREAMS 4 + +/* Mailbox */ +#define IPC_MAX_MAILBOX_BYTES 256 + +#define INVALID_STREAM_HW_ID 0xffffffff + +/* Global Message - Types and Replies */ +enum ipc_glb_type { + IPC_GLB_GET_FW_VERSION = 0, /* Retrieves firmware version */ + IPC_GLB_PERFORMANCE_MONITOR = 1, /* Performance monitoring actions */ + IPC_GLB_ALLOCATE_STREAM = 3, /* Request to allocate new stream */ + IPC_GLB_FREE_STREAM = 4, /* Request to free stream */ + IPC_GLB_GET_FW_CAPABILITIES = 5, /* Retrieves firmware capabilities */ + IPC_GLB_STREAM_MESSAGE = 6, /* Message directed to stream or its stages */ + /* Request to store firmware context during D0->D3 transition */ + IPC_GLB_REQUEST_DUMP = 7, + /* Request to restore firmware context during D3->D0 transition */ + IPC_GLB_RESTORE_CONTEXT = 8, + IPC_GLB_GET_DEVICE_FORMATS = 9, /* Set device format */ + IPC_GLB_SET_DEVICE_FORMATS = 10, /* Get device format */ + IPC_GLB_SHORT_REPLY = 11, + IPC_GLB_ENTER_DX_STATE = 12, + IPC_GLB_GET_MIXER_STREAM_INFO = 13, /* Request mixer stream params */ + IPC_GLB_DEBUG_LOG_MESSAGE = 14, /* Message to or from the debug logger. */ + IPC_GLB_MODULE_OPERATION = 15, /* Message to loadable fw module */ + IPC_GLB_REQUEST_TRANSFER = 16, /* < Request Transfer for host */ + IPC_GLB_MAX_IPC_MESSAGE_TYPE = 17, /* Maximum message number */ +}; + +enum ipc_glb_reply { + IPC_GLB_REPLY_SUCCESS = 0, /* The operation was successful. */ + IPC_GLB_REPLY_ERROR_INVALID_PARAM = 1, /* Invalid parameter was passed. */ + IPC_GLB_REPLY_UNKNOWN_MESSAGE_TYPE = 2, /* Uknown message type was resceived. */ + IPC_GLB_REPLY_OUT_OF_RESOURCES = 3, /* No resources to satisfy the request. */ + IPC_GLB_REPLY_BUSY = 4, /* The system or resource is busy. */ + IPC_GLB_REPLY_PENDING = 5, /* The action was scheduled for processing. */ + IPC_GLB_REPLY_FAILURE = 6, /* Critical error happened. */ + IPC_GLB_REPLY_INVALID_REQUEST = 7, /* Request can not be completed. */ + IPC_GLB_REPLY_STAGE_UNINITIALIZED = 8, /* Processing stage was uninitialized. */ + IPC_GLB_REPLY_NOT_FOUND = 9, /* Required resource can not be found. */ + IPC_GLB_REPLY_SOURCE_NOT_STARTED = 10, /* Source was not started. */ +}; + +enum ipc_module_operation { + IPC_MODULE_NOTIFICATION = 0, + IPC_MODULE_ENABLE = 1, + IPC_MODULE_DISABLE = 2, + IPC_MODULE_GET_PARAMETER = 3, + IPC_MODULE_SET_PARAMETER = 4, + IPC_MODULE_GET_INFO = 5, + IPC_MODULE_MAX_MESSAGE +}; + +/* Stream Message - Types */ +enum ipc_str_operation { + IPC_STR_RESET = 0, + IPC_STR_PAUSE = 1, + IPC_STR_RESUME = 2, + IPC_STR_STAGE_MESSAGE = 3, + IPC_STR_NOTIFICATION = 4, + IPC_STR_MAX_MESSAGE +}; + +/* Stream Stage Message Types */ +enum ipc_stg_operation { + IPC_STG_GET_VOLUME = 0, + IPC_STG_SET_VOLUME, + IPC_STG_SET_WRITE_POSITION, + IPC_STG_SET_FX_ENABLE, + IPC_STG_SET_FX_DISABLE, + IPC_STG_SET_FX_GET_PARAM, + IPC_STG_SET_FX_SET_PARAM, + IPC_STG_SET_FX_GET_INFO, + IPC_STG_MUTE_LOOPBACK, + IPC_STG_MAX_MESSAGE +}; + +/* Stream Stage Message Types For Notification*/ +enum ipc_stg_operation_notify { + IPC_POSITION_CHANGED = 0, + IPC_STG_GLITCH, + IPC_STG_MAX_NOTIFY +}; + +enum ipc_glitch_type { + IPC_GLITCH_UNDERRUN = 1, + IPC_GLITCH_DECODER_ERROR, + IPC_GLITCH_DOUBLED_WRITE_POS, + IPC_GLITCH_MAX +}; + +/* Debug Control */ +enum ipc_debug_operation { + IPC_DEBUG_ENABLE_LOG = 0, + IPC_DEBUG_DISABLE_LOG = 1, + IPC_DEBUG_REQUEST_LOG_DUMP = 2, + IPC_DEBUG_NOTIFY_LOG_DUMP = 3, + IPC_DEBUG_MAX_DEBUG_LOG +}; + +/* Firmware Ready */ +struct sst_hsw_ipc_fw_ready { + u32 inbox_offset; + u32 outbox_offset; + u32 inbox_size; + u32 outbox_size; + u32 fw_info_size; + u8 fw_info[IPC_MAX_MAILBOX_BYTES - 5 * sizeof(u32)]; +} __attribute__((packed)); + +struct sst_hsw_stream; +struct sst_hsw; + +/* Stream infomation */ +struct sst_hsw_stream { + /* configuration */ + struct sst_hsw_ipc_stream_alloc_req request; + struct sst_hsw_ipc_stream_alloc_reply reply; + struct sst_hsw_ipc_stream_free_req free_req; + + /* Mixer info */ + u32 mute_volume[SST_HSW_NO_CHANNELS]; + u32 mute[SST_HSW_NO_CHANNELS]; + + /* runtime info */ + struct sst_hsw *hsw; + int host_id; + bool commited; + bool running; + + /* Notification work */ + struct work_struct notify_work; + u32 header; + + /* Position info from DSP */ + struct sst_hsw_ipc_stream_set_position wpos; + struct sst_hsw_ipc_stream_get_position rpos; + struct sst_hsw_ipc_stream_glitch_position glitch; + + /* Volume info */ + struct sst_hsw_ipc_volume_req vol_req; + + /* driver callback */ + u32 (*notify_position)(struct sst_hsw_stream *stream, void *data); + void *pdata; + + /* record the fw read position when playback */ + snd_pcm_uframes_t old_position; + bool play_silence; + struct list_head node; +}; + +/* FW log ring information */ +struct sst_hsw_log_stream { + dma_addr_t dma_addr; + unsigned char *dma_area; + unsigned char *ring_descr; + int pages; + int size; + + /* Notification work */ + struct work_struct notify_work; + wait_queue_head_t readers_wait_q; + struct mutex rw_mutex; + + u32 last_pos; + u32 curr_pos; + u32 reader_pos; + + /* fw log config */ + u32 config[SST_HSW_FW_LOG_CONFIG_DWORDS]; + + struct sst_hsw *hsw; +}; + +/* SST Haswell IPC data */ +struct sst_hsw { + struct device *dev; + struct sst_dsp *dsp; + struct platform_device *pdev_pcm; + + /* FW config */ + struct sst_hsw_ipc_fw_ready fw_ready; + struct sst_hsw_ipc_fw_version version; + bool fw_done; + struct sst_fw *sst_fw; + + /* stream */ + struct list_head stream_list; + + /* global mixer */ + struct sst_hsw_ipc_stream_info_reply mixer_info; + enum sst_hsw_volume_curve curve_type; + u32 curve_duration; + u32 mute[SST_HSW_NO_CHANNELS]; + u32 mute_volume[SST_HSW_NO_CHANNELS]; + + /* DX */ + struct sst_hsw_ipc_dx_reply dx; + void *dx_context; + dma_addr_t dx_context_paddr; + + /* boot */ + wait_queue_head_t boot_wait; + bool boot_complete; + bool shutdown; + + /* IPC messaging */ + struct sst_generic_ipc ipc; + + /* FW log stream */ + struct sst_hsw_log_stream log_stream; + + /* flags bit field to track module state when resume from RTD3, + * each bit represent state (enabled/disabled) of single module */ + u32 enabled_modules_rtd3; + + /* buffer to store parameter lines */ + u32 param_idx_w; /* write index */ + u32 param_idx_r; /* read index */ + u8 param_buf[WAVES_PARAM_LINES][WAVES_PARAM_COUNT]; +}; + +#define CREATE_TRACE_POINTS +#include <trace/events/hswadsp.h> + +static inline u32 msg_get_global_type(u32 msg) +{ + return (msg & IPC_GLB_TYPE_MASK) >> IPC_GLB_TYPE_SHIFT; +} + +static inline u32 msg_get_global_reply(u32 msg) +{ + return (msg & IPC_GLB_REPLY_MASK) >> IPC_GLB_REPLY_SHIFT; +} + +static inline u32 msg_get_stream_type(u32 msg) +{ + return (msg & IPC_STR_TYPE_MASK) >> IPC_STR_TYPE_SHIFT; +} + +static inline u32 msg_get_stage_type(u32 msg) +{ + return (msg & IPC_STG_TYPE_MASK) >> IPC_STG_TYPE_SHIFT; +} + +static inline u32 msg_get_stream_id(u32 msg) +{ + return (msg & IPC_STR_ID_MASK) >> IPC_STR_ID_SHIFT; +} + +static inline u32 msg_get_notify_reason(u32 msg) +{ + return (msg & IPC_STG_TYPE_MASK) >> IPC_STG_TYPE_SHIFT; +} + +static inline u32 msg_get_module_operation(u32 msg) +{ + return (msg & IPC_MODULE_OPERATION_MASK) >> IPC_MODULE_OPERATION_SHIFT; +} + +static inline u32 msg_get_module_id(u32 msg) +{ + return (msg & IPC_MODULE_ID_MASK) >> IPC_MODULE_ID_SHIFT; +} + +u32 create_channel_map(enum sst_hsw_channel_config config) +{ + switch (config) { + case SST_HSW_CHANNEL_CONFIG_MONO: + return (0xFFFFFFF0 | SST_HSW_CHANNEL_CENTER); + case SST_HSW_CHANNEL_CONFIG_STEREO: + return (0xFFFFFF00 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_RIGHT << 4)); + case SST_HSW_CHANNEL_CONFIG_2_POINT_1: + return (0xFFFFF000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_RIGHT << 4) + | (SST_HSW_CHANNEL_LFE << 8 )); + case SST_HSW_CHANNEL_CONFIG_3_POINT_0: + return (0xFFFFF000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_CENTER << 4) + | (SST_HSW_CHANNEL_RIGHT << 8)); + case SST_HSW_CHANNEL_CONFIG_3_POINT_1: + return (0xFFFF0000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_CENTER << 4) + | (SST_HSW_CHANNEL_RIGHT << 8) + | (SST_HSW_CHANNEL_LFE << 12)); + case SST_HSW_CHANNEL_CONFIG_QUATRO: + return (0xFFFF0000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_RIGHT << 4) + | (SST_HSW_CHANNEL_LEFT_SURROUND << 8) + | (SST_HSW_CHANNEL_RIGHT_SURROUND << 12)); + case SST_HSW_CHANNEL_CONFIG_4_POINT_0: + return (0xFFFF0000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_CENTER << 4) + | (SST_HSW_CHANNEL_RIGHT << 8) + | (SST_HSW_CHANNEL_CENTER_SURROUND << 12)); + case SST_HSW_CHANNEL_CONFIG_5_POINT_0: + return (0xFFF00000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_CENTER << 4) + | (SST_HSW_CHANNEL_RIGHT << 8) + | (SST_HSW_CHANNEL_LEFT_SURROUND << 12) + | (SST_HSW_CHANNEL_RIGHT_SURROUND << 16)); + case SST_HSW_CHANNEL_CONFIG_5_POINT_1: + return (0xFF000000 | SST_HSW_CHANNEL_CENTER + | (SST_HSW_CHANNEL_LEFT << 4) + | (SST_HSW_CHANNEL_RIGHT << 8) + | (SST_HSW_CHANNEL_LEFT_SURROUND << 12) + | (SST_HSW_CHANNEL_RIGHT_SURROUND << 16) + | (SST_HSW_CHANNEL_LFE << 20)); + case SST_HSW_CHANNEL_CONFIG_DUAL_MONO: + return (0xFFFFFF00 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_LEFT << 4)); + default: + return 0xFFFFFFFF; + } +} + +static struct sst_hsw_stream *get_stream_by_id(struct sst_hsw *hsw, + int stream_id) +{ + struct sst_hsw_stream *stream; + + list_for_each_entry(stream, &hsw->stream_list, node) { + if (stream->reply.stream_hw_id == stream_id) + return stream; + } + + return NULL; +} + +static void hsw_fw_ready(struct sst_hsw *hsw, u32 header) +{ + struct sst_hsw_ipc_fw_ready fw_ready; + u32 offset; + u8 fw_info[IPC_MAX_MAILBOX_BYTES - 5 * sizeof(u32)]; + char *tmp[5], *pinfo; + int i = 0; + + offset = (header & 0x1FFFFFFF) << 3; + + dev_dbg(hsw->dev, "ipc: DSP is ready 0x%8.8x offset %d\n", + header, offset); + + /* copy data from the DSP FW ready offset */ + sst_dsp_read(hsw->dsp, &fw_ready, offset, sizeof(fw_ready)); + + sst_dsp_mailbox_init(hsw->dsp, fw_ready.inbox_offset, + fw_ready.inbox_size, fw_ready.outbox_offset, + fw_ready.outbox_size); + + hsw->boot_complete = true; + wake_up(&hsw->boot_wait); + + dev_dbg(hsw->dev, " mailbox upstream 0x%x - size 0x%x\n", + fw_ready.inbox_offset, fw_ready.inbox_size); + dev_dbg(hsw->dev, " mailbox downstream 0x%x - size 0x%x\n", + fw_ready.outbox_offset, fw_ready.outbox_size); + if (fw_ready.fw_info_size < sizeof(fw_ready.fw_info)) { + fw_ready.fw_info[fw_ready.fw_info_size] = 0; + dev_dbg(hsw->dev, " Firmware info: %s \n", fw_ready.fw_info); + + /* log the FW version info got from the mailbox here. */ + memcpy(fw_info, fw_ready.fw_info, fw_ready.fw_info_size); + pinfo = &fw_info[0]; + for (i = 0; i < ARRAY_SIZE(tmp); i++) + tmp[i] = strsep(&pinfo, " "); + dev_info(hsw->dev, "FW loaded, mailbox readback FW info: type %s, - " + "version: %s.%s, build %s, source commit id: %s\n", + tmp[0], tmp[1], tmp[2], tmp[3], tmp[4]); + } +} + +static void hsw_notification_work(struct work_struct *work) +{ + struct sst_hsw_stream *stream = container_of(work, + struct sst_hsw_stream, notify_work); + struct sst_hsw_ipc_stream_glitch_position *glitch = &stream->glitch; + struct sst_hsw_ipc_stream_get_position *pos = &stream->rpos; + struct sst_hsw *hsw = stream->hsw; + u32 reason; + + reason = msg_get_notify_reason(stream->header); + + switch (reason) { + case IPC_STG_GLITCH: + trace_ipc_notification("DSP stream under/overrun", + stream->reply.stream_hw_id); + sst_dsp_inbox_read(hsw->dsp, glitch, sizeof(*glitch)); + + dev_err(hsw->dev, "glitch %d pos 0x%x write pos 0x%x\n", + glitch->glitch_type, glitch->present_pos, + glitch->write_pos); + break; + + case IPC_POSITION_CHANGED: + trace_ipc_notification("DSP stream position changed for", + stream->reply.stream_hw_id); + sst_dsp_inbox_read(hsw->dsp, pos, sizeof(*pos)); + + if (stream->notify_position) + stream->notify_position(stream, stream->pdata); + + break; + default: + dev_err(hsw->dev, "error: unknown notification 0x%x\n", + stream->header); + break; + } + + /* tell DSP that notification has been handled */ + sst_dsp_shim_update_bits(hsw->dsp, SST_IPCD, + SST_IPCD_BUSY | SST_IPCD_DONE, SST_IPCD_DONE); + + /* unmask busy interrupt */ + sst_dsp_shim_update_bits(hsw->dsp, SST_IMRX, SST_IMRX_BUSY, 0); +} + +static void hsw_stream_update(struct sst_hsw *hsw, struct ipc_message *msg) +{ + struct sst_hsw_stream *stream; + u32 header = msg->header & ~(IPC_STATUS_MASK | IPC_GLB_REPLY_MASK); + u32 stream_id = msg_get_stream_id(header); + u32 stream_msg = msg_get_stream_type(header); + + stream = get_stream_by_id(hsw, stream_id); + if (stream == NULL) + return; + + switch (stream_msg) { + case IPC_STR_STAGE_MESSAGE: + case IPC_STR_NOTIFICATION: + break; + case IPC_STR_RESET: + trace_ipc_notification("stream reset", stream->reply.stream_hw_id); + break; + case IPC_STR_PAUSE: + stream->running = false; + trace_ipc_notification("stream paused", + stream->reply.stream_hw_id); + break; + case IPC_STR_RESUME: + stream->running = true; + trace_ipc_notification("stream running", + stream->reply.stream_hw_id); + break; + } +} + +static int hsw_process_reply(struct sst_hsw *hsw, u32 header) +{ + struct ipc_message *msg; + u32 reply = msg_get_global_reply(header); + + trace_ipc_reply("processing -->", header); + + msg = sst_ipc_reply_find_msg(&hsw->ipc, header); + if (msg == NULL) { + trace_ipc_error("error: can't find message header", header); + return -EIO; + } + + /* first process the header */ + switch (reply) { + case IPC_GLB_REPLY_PENDING: + trace_ipc_pending_reply("received", header); + msg->pending = true; + hsw->ipc.pending = true; + return 1; + case IPC_GLB_REPLY_SUCCESS: + if (msg->pending) { + trace_ipc_pending_reply("completed", header); + sst_dsp_inbox_read(hsw->dsp, msg->rx_data, + msg->rx_size); + hsw->ipc.pending = false; + } else { + /* copy data from the DSP */ + sst_dsp_outbox_read(hsw->dsp, msg->rx_data, + msg->rx_size); + } + break; + /* these will be rare - but useful for debug */ + case IPC_GLB_REPLY_UNKNOWN_MESSAGE_TYPE: + trace_ipc_error("error: unknown message type", header); + msg->errno = -EBADMSG; + break; + case IPC_GLB_REPLY_OUT_OF_RESOURCES: + trace_ipc_error("error: out of resources", header); + msg->errno = -ENOMEM; + break; + case IPC_GLB_REPLY_BUSY: + trace_ipc_error("error: reply busy", header); + msg->errno = -EBUSY; + break; + case IPC_GLB_REPLY_FAILURE: + trace_ipc_error("error: reply failure", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_STAGE_UNINITIALIZED: + trace_ipc_error("error: stage uninitialized", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_NOT_FOUND: + trace_ipc_error("error: reply not found", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_SOURCE_NOT_STARTED: + trace_ipc_error("error: source not started", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_INVALID_REQUEST: + trace_ipc_error("error: invalid request", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_ERROR_INVALID_PARAM: + trace_ipc_error("error: invalid parameter", header); + msg->errno = -EINVAL; + break; + default: + trace_ipc_error("error: unknown reply", header); + msg->errno = -EINVAL; + break; + } + + /* update any stream states */ + if (msg_get_global_type(header) == IPC_GLB_STREAM_MESSAGE) + hsw_stream_update(hsw, msg); + + /* wake up and return the error if we have waiters on this message ? */ + list_del(&msg->list); + sst_ipc_tx_msg_reply_complete(&hsw->ipc, msg); + + return 1; +} + +static int hsw_module_message(struct sst_hsw *hsw, u32 header) +{ + u32 operation, module_id; + int handled = 0; + + operation = msg_get_module_operation(header); + module_id = msg_get_module_id(header); + dev_dbg(hsw->dev, "received module message header: 0x%8.8x\n", + header); + dev_dbg(hsw->dev, "operation: 0x%8.8x module_id: 0x%8.8x\n", + operation, module_id); + + switch (operation) { + case IPC_MODULE_NOTIFICATION: + dev_dbg(hsw->dev, "module notification received"); + handled = 1; + break; + default: + handled = hsw_process_reply(hsw, header); + break; + } + + return handled; +} + +static int hsw_stream_message(struct sst_hsw *hsw, u32 header) +{ + u32 stream_msg, stream_id, stage_type; + struct sst_hsw_stream *stream; + int handled = 0; + + stream_msg = msg_get_stream_type(header); + stream_id = msg_get_stream_id(header); + stage_type = msg_get_stage_type(header); + + stream = get_stream_by_id(hsw, stream_id); + if (stream == NULL) + return handled; + + stream->header = header; + + switch (stream_msg) { + case IPC_STR_STAGE_MESSAGE: + dev_err(hsw->dev, "error: stage msg not implemented 0x%8.8x\n", + header); + break; + case IPC_STR_NOTIFICATION: + schedule_work(&stream->notify_work); + break; + default: + /* handle pending message complete request */ + handled = hsw_process_reply(hsw, header); + break; + } + + return handled; +} + +static int hsw_log_message(struct sst_hsw *hsw, u32 header) +{ + u32 operation = (header & IPC_LOG_OP_MASK) >> IPC_LOG_OP_SHIFT; + struct sst_hsw_log_stream *stream = &hsw->log_stream; + int ret = 1; + + if (operation != IPC_DEBUG_REQUEST_LOG_DUMP) { + dev_err(hsw->dev, + "error: log msg not implemented 0x%8.8x\n", header); + return 0; + } + + mutex_lock(&stream->rw_mutex); + stream->last_pos = stream->curr_pos; + sst_dsp_inbox_read( + hsw->dsp, &stream->curr_pos, sizeof(stream->curr_pos)); + mutex_unlock(&stream->rw_mutex); + + schedule_work(&stream->notify_work); + + return ret; +} + +static int hsw_process_notification(struct sst_hsw *hsw) +{ + struct sst_dsp *sst = hsw->dsp; + u32 type, header; + int handled = 1; + + header = sst_dsp_shim_read_unlocked(sst, SST_IPCD); + type = msg_get_global_type(header); + + trace_ipc_request("processing -->", header); + + /* FW Ready is a special case */ + if (!hsw->boot_complete && header & IPC_FW_READY) { + hsw_fw_ready(hsw, header); + return handled; + } + + switch (type) { + case IPC_GLB_GET_FW_VERSION: + case IPC_GLB_ALLOCATE_STREAM: + case IPC_GLB_FREE_STREAM: + case IPC_GLB_GET_FW_CAPABILITIES: + case IPC_GLB_REQUEST_DUMP: + case IPC_GLB_GET_DEVICE_FORMATS: + case IPC_GLB_SET_DEVICE_FORMATS: + case IPC_GLB_ENTER_DX_STATE: + case IPC_GLB_GET_MIXER_STREAM_INFO: + case IPC_GLB_MAX_IPC_MESSAGE_TYPE: + case IPC_GLB_RESTORE_CONTEXT: + case IPC_GLB_SHORT_REPLY: + dev_err(hsw->dev, "error: message type %d header 0x%x\n", + type, header); + break; + case IPC_GLB_STREAM_MESSAGE: + handled = hsw_stream_message(hsw, header); + break; + case IPC_GLB_DEBUG_LOG_MESSAGE: + handled = hsw_log_message(hsw, header); + break; + case IPC_GLB_MODULE_OPERATION: + handled = hsw_module_message(hsw, header); + break; + default: + dev_err(hsw->dev, "error: unexpected type %d hdr 0x%8.8x\n", + type, header); + break; + } + + return handled; +} + +static irqreturn_t hsw_irq_thread(int irq, void *context) +{ + struct sst_dsp *sst = (struct sst_dsp *) context; + struct sst_hsw *hsw = sst_dsp_get_thread_context(sst); + struct sst_generic_ipc *ipc = &hsw->ipc; + u32 ipcx, ipcd; + int handled; + unsigned long flags; + + spin_lock_irqsave(&sst->spinlock, flags); + + ipcx = sst_dsp_ipc_msg_rx(hsw->dsp); + ipcd = sst_dsp_shim_read_unlocked(sst, SST_IPCD); + + /* reply message from DSP */ + if (ipcx & SST_IPCX_DONE) { + + /* Handle Immediate reply from DSP Core */ + handled = hsw_process_reply(hsw, ipcx); + + if (handled > 0) { + /* clear DONE bit - tell DSP we have completed */ + sst_dsp_shim_update_bits_unlocked(sst, SST_IPCX, + SST_IPCX_DONE, 0); + + /* unmask Done interrupt */ + sst_dsp_shim_update_bits_unlocked(sst, SST_IMRX, + SST_IMRX_DONE, 0); + } + } + + /* new message from DSP */ + if (ipcd & SST_IPCD_BUSY) { + + /* Handle Notification and Delayed reply from DSP Core */ + handled = hsw_process_notification(hsw); + + /* clear BUSY bit and set DONE bit - accept new messages */ + if (handled > 0) { + sst_dsp_shim_update_bits_unlocked(sst, SST_IPCD, + SST_IPCD_BUSY | SST_IPCD_DONE, SST_IPCD_DONE); + + /* unmask busy interrupt */ + sst_dsp_shim_update_bits_unlocked(sst, SST_IMRX, + SST_IMRX_BUSY, 0); + } + } + + spin_unlock_irqrestore(&sst->spinlock, flags); + + /* continue to send any remaining messages... */ + queue_kthread_work(&ipc->kworker, &ipc->kwork); + + return IRQ_HANDLED; +} + +int sst_hsw_fw_get_version(struct sst_hsw *hsw, + struct sst_hsw_ipc_fw_version *version) +{ + int ret; + + ret = sst_ipc_tx_message_wait(&hsw->ipc, + IPC_GLB_TYPE(IPC_GLB_GET_FW_VERSION), + NULL, 0, version, sizeof(*version)); + if (ret < 0) + dev_err(hsw->dev, "error: get version failed\n"); + + return ret; +} + +/* Mixer Controls */ +int sst_hsw_stream_get_volume(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + u32 stage_id, u32 channel, u32 *volume) +{ + if (channel > 1) + return -EINVAL; + + sst_dsp_read(hsw->dsp, volume, + stream->reply.volume_register_address[channel], + sizeof(*volume)); + + return 0; +} + +/* stream volume */ +int sst_hsw_stream_set_volume(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 stage_id, u32 channel, u32 volume) +{ + struct sst_hsw_ipc_volume_req *req; + u32 header; + int ret; + + trace_ipc_request("set stream volume", stream->reply.stream_hw_id); + + if (channel >= 2 && channel != SST_HSW_CHANNELS_ALL) + return -EINVAL; + + header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | + IPC_STR_TYPE(IPC_STR_STAGE_MESSAGE); + header |= (stream->reply.stream_hw_id << IPC_STR_ID_SHIFT); + header |= (IPC_STG_SET_VOLUME << IPC_STG_TYPE_SHIFT); + header |= (stage_id << IPC_STG_ID_SHIFT); + + req = &stream->vol_req; + req->target_volume = volume; + + /* set both at same time ? */ + if (channel == SST_HSW_CHANNELS_ALL) { + if (hsw->mute[0] && hsw->mute[1]) { + hsw->mute_volume[0] = hsw->mute_volume[1] = volume; + return 0; + } else if (hsw->mute[0]) + req->channel = 1; + else if (hsw->mute[1]) + req->channel = 0; + else + req->channel = SST_HSW_CHANNELS_ALL; + } else { + /* set only 1 channel */ + if (hsw->mute[channel]) { + hsw->mute_volume[channel] = volume; + return 0; + } + req->channel = channel; + } + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, req, + sizeof(*req), NULL, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: set stream volume failed\n"); + return ret; + } + + return 0; +} + +int sst_hsw_mixer_get_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel, + u32 *volume) +{ + if (channel > 1) + return -EINVAL; + + sst_dsp_read(hsw->dsp, volume, + hsw->mixer_info.volume_register_address[channel], + sizeof(*volume)); + + return 0; +} + +/* global mixer volume */ +int sst_hsw_mixer_set_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel, + u32 volume) +{ + struct sst_hsw_ipc_volume_req req; + u32 header; + int ret; + + trace_ipc_request("set mixer volume", volume); + + if (channel >= 2 && channel != SST_HSW_CHANNELS_ALL) + return -EINVAL; + + /* set both at same time ? */ + if (channel == SST_HSW_CHANNELS_ALL) { + if (hsw->mute[0] && hsw->mute[1]) { + hsw->mute_volume[0] = hsw->mute_volume[1] = volume; + return 0; + } else if (hsw->mute[0]) + req.channel = 1; + else if (hsw->mute[1]) + req.channel = 0; + else + req.channel = SST_HSW_CHANNELS_ALL; + } else { + /* set only 1 channel */ + if (hsw->mute[channel]) { + hsw->mute_volume[channel] = volume; + return 0; + } + req.channel = channel; + } + + header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | + IPC_STR_TYPE(IPC_STR_STAGE_MESSAGE); + header |= (hsw->mixer_info.mixer_hw_id << IPC_STR_ID_SHIFT); + header |= (IPC_STG_SET_VOLUME << IPC_STG_TYPE_SHIFT); + header |= (stage_id << IPC_STG_ID_SHIFT); + + req.curve_duration = hsw->curve_duration; + req.curve_type = hsw->curve_type; + req.target_volume = volume; + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, &req, + sizeof(req), NULL, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: set mixer volume failed\n"); + return ret; + } + + return 0; +} + +/* Stream API */ +struct sst_hsw_stream *sst_hsw_stream_new(struct sst_hsw *hsw, int id, + u32 (*notify_position)(struct sst_hsw_stream *stream, void *data), + void *data) +{ + struct sst_hsw_stream *stream; + struct sst_dsp *sst = hsw->dsp; + unsigned long flags; + + stream = kzalloc(sizeof(*stream), GFP_KERNEL); + if (stream == NULL) + return NULL; + + spin_lock_irqsave(&sst->spinlock, flags); + stream->reply.stream_hw_id = INVALID_STREAM_HW_ID; + list_add(&stream->node, &hsw->stream_list); + stream->notify_position = notify_position; + stream->pdata = data; + stream->hsw = hsw; + stream->host_id = id; + + /* work to process notification messages */ + INIT_WORK(&stream->notify_work, hsw_notification_work); + spin_unlock_irqrestore(&sst->spinlock, flags); + + return stream; +} + +int sst_hsw_stream_free(struct sst_hsw *hsw, struct sst_hsw_stream *stream) +{ + u32 header; + int ret = 0; + struct sst_dsp *sst = hsw->dsp; + unsigned long flags; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to free, ignore it.\n"); + return 0; + } + + /* dont free DSP streams that are not commited */ + if (!stream->commited) + goto out; + + trace_ipc_request("stream free", stream->host_id); + + stream->free_req.stream_id = stream->reply.stream_hw_id; + header = IPC_GLB_TYPE(IPC_GLB_FREE_STREAM); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, &stream->free_req, + sizeof(stream->free_req), NULL, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: free stream %d failed\n", + stream->free_req.stream_id); + return -EAGAIN; + } + + trace_hsw_stream_free_req(stream, &stream->free_req); + +out: + cancel_work_sync(&stream->notify_work); + spin_lock_irqsave(&sst->spinlock, flags); + list_del(&stream->node); + kfree(stream); + spin_unlock_irqrestore(&sst->spinlock, flags); + + return ret; +} + +int sst_hsw_stream_set_bits(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, enum sst_hsw_bitdepth bits) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set bits\n"); + return -EINVAL; + } + + stream->request.format.bitdepth = bits; + return 0; +} + +int sst_hsw_stream_set_channels(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, int channels) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set channels\n"); + return -EINVAL; + } + + stream->request.format.ch_num = channels; + return 0; +} + +int sst_hsw_stream_set_rate(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, int rate) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set rate\n"); + return -EINVAL; + } + + stream->request.format.frequency = rate; + return 0; +} + +int sst_hsw_stream_set_map_config(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 map, + enum sst_hsw_channel_config config) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set map\n"); + return -EINVAL; + } + + stream->request.format.map = map; + stream->request.format.config = config; + return 0; +} + +int sst_hsw_stream_set_style(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, enum sst_hsw_interleaving style) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set style\n"); + return -EINVAL; + } + + stream->request.format.style = style; + return 0; +} + +int sst_hsw_stream_set_valid(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 bits) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set valid bits\n"); + return -EINVAL; + } + + stream->request.format.valid_bit = bits; + return 0; +} + +/* Stream Configuration */ +int sst_hsw_stream_format(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + enum sst_hsw_stream_path_id path_id, + enum sst_hsw_stream_type stream_type, + enum sst_hsw_stream_format format_id) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set format\n"); + return -EINVAL; + } + + stream->request.path_id = path_id; + stream->request.stream_type = stream_type; + stream->request.format_id = format_id; + + trace_hsw_stream_alloc_request(stream, &stream->request); + + return 0; +} + +int sst_hsw_stream_buffer(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + u32 ring_pt_address, u32 num_pages, + u32 ring_size, u32 ring_offset, u32 ring_first_pfn) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for buffer\n"); + return -EINVAL; + } + + stream->request.ringinfo.ring_pt_address = ring_pt_address; + stream->request.ringinfo.num_pages = num_pages; + stream->request.ringinfo.ring_size = ring_size; + stream->request.ringinfo.ring_offset = ring_offset; + stream->request.ringinfo.ring_first_pfn = ring_first_pfn; + + trace_hsw_stream_buffer(stream); + + return 0; +} + +int sst_hsw_stream_set_module_info(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, struct sst_module_runtime *runtime) +{ + struct sst_hsw_module_map *map = &stream->request.map; + struct sst_dsp *dsp = sst_hsw_get_dsp(hsw); + struct sst_module *module = runtime->module; + + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set module\n"); + return -EINVAL; + } + + /* only support initial module atm */ + map->module_entries_count = 1; + map->module_entries[0].module_id = module->id; + map->module_entries[0].entry_point = module->entry; + + stream->request.persistent_mem.offset = + sst_dsp_get_offset(dsp, runtime->persistent_offset, SST_MEM_DRAM); + stream->request.persistent_mem.size = module->persistent_size; + + stream->request.scratch_mem.offset = + sst_dsp_get_offset(dsp, dsp->scratch_offset, SST_MEM_DRAM); + stream->request.scratch_mem.size = dsp->scratch_size; + + dev_dbg(hsw->dev, "module %d runtime %d using:\n", module->id, + runtime->id); + dev_dbg(hsw->dev, " persistent offset 0x%x bytes 0x%x\n", + stream->request.persistent_mem.offset, + stream->request.persistent_mem.size); + dev_dbg(hsw->dev, " scratch offset 0x%x bytes 0x%x\n", + stream->request.scratch_mem.offset, + stream->request.scratch_mem.size); + + return 0; +} + +int sst_hsw_stream_commit(struct sst_hsw *hsw, struct sst_hsw_stream *stream) +{ + struct sst_hsw_ipc_stream_alloc_req *str_req = &stream->request; + struct sst_hsw_ipc_stream_alloc_reply *reply = &stream->reply; + u32 header; + int ret; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to commit, ignore it.\n"); + return 0; + } + + if (stream->commited) { + dev_warn(hsw->dev, "warning: stream is already committed, ignore it.\n"); + return 0; + } + + trace_ipc_request("stream alloc", stream->host_id); + + header = IPC_GLB_TYPE(IPC_GLB_ALLOCATE_STREAM); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, str_req, + sizeof(*str_req), reply, sizeof(*reply)); + if (ret < 0) { + dev_err(hsw->dev, "error: stream commit failed\n"); + return ret; + } + + stream->commited = 1; + trace_hsw_stream_alloc_reply(stream); + + return 0; +} + +snd_pcm_uframes_t sst_hsw_stream_get_old_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream) +{ + return stream->old_position; +} + +void sst_hsw_stream_set_old_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, snd_pcm_uframes_t val) +{ + stream->old_position = val; +} + +bool sst_hsw_stream_get_silence_start(struct sst_hsw *hsw, + struct sst_hsw_stream *stream) +{ + return stream->play_silence; +} + +void sst_hsw_stream_set_silence_start(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, bool val) +{ + stream->play_silence = val; +} + +/* Stream Information - these calls could be inline but we want the IPC + ABI to be opaque to client PCM drivers to cope with any future ABI changes */ +int sst_hsw_mixer_get_info(struct sst_hsw *hsw) +{ + struct sst_hsw_ipc_stream_info_reply *reply; + u32 header; + int ret; + + reply = &hsw->mixer_info; + header = IPC_GLB_TYPE(IPC_GLB_GET_MIXER_STREAM_INFO); + + trace_ipc_request("get global mixer info", 0); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, NULL, 0, + reply, sizeof(*reply)); + if (ret < 0) { + dev_err(hsw->dev, "error: get stream info failed\n"); + return ret; + } + + trace_hsw_mixer_info_reply(reply); + + return 0; +} + +/* Send stream command */ +static int sst_hsw_stream_operations(struct sst_hsw *hsw, int type, + int stream_id, int wait) +{ + u32 header; + + header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | IPC_STR_TYPE(type); + header |= (stream_id << IPC_STR_ID_SHIFT); + + if (wait) + return sst_ipc_tx_message_wait(&hsw->ipc, header, + NULL, 0, NULL, 0); + else + return sst_ipc_tx_message_nowait(&hsw->ipc, header, NULL, 0); +} + +/* Stream ALSA trigger operations */ +int sst_hsw_stream_pause(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + int wait) +{ + int ret; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to pause, ignore it.\n"); + return 0; + } + + trace_ipc_request("stream pause", stream->reply.stream_hw_id); + + ret = sst_hsw_stream_operations(hsw, IPC_STR_PAUSE, + stream->reply.stream_hw_id, wait); + if (ret < 0) + dev_err(hsw->dev, "error: failed to pause stream %d\n", + stream->reply.stream_hw_id); + + return ret; +} + +int sst_hsw_stream_resume(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + int wait) +{ + int ret; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to resume, ignore it.\n"); + return 0; + } + + trace_ipc_request("stream resume", stream->reply.stream_hw_id); + + ret = sst_hsw_stream_operations(hsw, IPC_STR_RESUME, + stream->reply.stream_hw_id, wait); + if (ret < 0) + dev_err(hsw->dev, "error: failed to resume stream %d\n", + stream->reply.stream_hw_id); + + return ret; +} + +int sst_hsw_stream_reset(struct sst_hsw *hsw, struct sst_hsw_stream *stream) +{ + int ret, tries = 10; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to reset, ignore it.\n"); + return 0; + } + + /* dont reset streams that are not commited */ + if (!stream->commited) + return 0; + + /* wait for pause to complete before we reset the stream */ + while (stream->running && tries--) + msleep(1); + if (!tries) { + dev_err(hsw->dev, "error: reset stream %d still running\n", + stream->reply.stream_hw_id); + return -EINVAL; + } + + trace_ipc_request("stream reset", stream->reply.stream_hw_id); + + ret = sst_hsw_stream_operations(hsw, IPC_STR_RESET, + stream->reply.stream_hw_id, 1); + if (ret < 0) + dev_err(hsw->dev, "error: failed to reset stream %d\n", + stream->reply.stream_hw_id); + return ret; +} + +/* Stream pointer positions */ +u32 sst_hsw_get_dsp_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream) +{ + u32 rpos; + + sst_dsp_read(hsw->dsp, &rpos, + stream->reply.read_position_register_address, sizeof(rpos)); + + return rpos; +} + +/* Stream presentation (monotonic) positions */ +u64 sst_hsw_get_dsp_presentation_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream) +{ + u64 ppos; + + sst_dsp_read(hsw->dsp, &ppos, + stream->reply.presentation_position_register_address, + sizeof(ppos)); + + return ppos; +} + +/* physical BE config */ +int sst_hsw_device_set_config(struct sst_hsw *hsw, + enum sst_hsw_device_id dev, enum sst_hsw_device_mclk mclk, + enum sst_hsw_device_mode mode, u32 clock_divider) +{ + struct sst_hsw_ipc_device_config_req config; + u32 header; + int ret; + + trace_ipc_request("set device config", dev); + + config.ssp_interface = dev; + config.clock_frequency = mclk; + config.mode = mode; + config.clock_divider = clock_divider; + if (mode == SST_HSW_DEVICE_TDM_CLOCK_MASTER) + config.channels = 4; + else + config.channels = 2; + + trace_hsw_device_config_req(&config); + + header = IPC_GLB_TYPE(IPC_GLB_SET_DEVICE_FORMATS); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, &config, + sizeof(config), NULL, 0); + if (ret < 0) + dev_err(hsw->dev, "error: set device formats failed\n"); + + return ret; +} +EXPORT_SYMBOL_GPL(sst_hsw_device_set_config); + +/* DX Config */ +int sst_hsw_dx_set_state(struct sst_hsw *hsw, + enum sst_hsw_dx_state state, struct sst_hsw_ipc_dx_reply *dx) +{ + u32 header, state_; + int ret, item; + + header = IPC_GLB_TYPE(IPC_GLB_ENTER_DX_STATE); + state_ = state; + + trace_ipc_request("PM enter Dx state", state); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, &state_, + sizeof(state_), dx, sizeof(*dx)); + if (ret < 0) { + dev_err(hsw->dev, "ipc: error set dx state %d failed\n", state); + return ret; + } + + for (item = 0; item < dx->entries_no; item++) { + dev_dbg(hsw->dev, + "Item[%d] offset[%x] - size[%x] - source[%x]\n", + item, dx->mem_info[item].offset, + dx->mem_info[item].size, + dx->mem_info[item].source); + } + dev_dbg(hsw->dev, "ipc: got %d entry numbers for state %d\n", + dx->entries_no, state); + + return ret; +} + +struct sst_module_runtime *sst_hsw_runtime_module_create(struct sst_hsw *hsw, + int mod_id, int offset) +{ + struct sst_dsp *dsp = hsw->dsp; + struct sst_module *module; + struct sst_module_runtime *runtime; + int err; + + module = sst_module_get_from_id(dsp, mod_id); + if (module == NULL) { + dev_err(dsp->dev, "error: failed to get module %d for pcm\n", + mod_id); + return NULL; + } + + runtime = sst_module_runtime_new(module, mod_id, NULL); + if (runtime == NULL) { + dev_err(dsp->dev, "error: failed to create module %d runtime\n", + mod_id); + return NULL; + } + + err = sst_module_runtime_alloc_blocks(runtime, offset); + if (err < 0) { + dev_err(dsp->dev, "error: failed to alloc blocks for module %d runtime\n", + mod_id); + sst_module_runtime_free(runtime); + return NULL; + } + + dev_dbg(dsp->dev, "runtime id %d created for module %d\n", runtime->id, + mod_id); + return runtime; +} + +void sst_hsw_runtime_module_free(struct sst_module_runtime *runtime) +{ + sst_module_runtime_free_blocks(runtime); + sst_module_runtime_free(runtime); +} + +#ifdef CONFIG_PM +static int sst_hsw_dx_state_dump(struct sst_hsw *hsw) +{ + struct sst_dsp *sst = hsw->dsp; + u32 item, offset, size; + int ret = 0; + + trace_ipc_request("PM state dump. Items #", SST_HSW_MAX_DX_REGIONS); + + if (hsw->dx.entries_no > SST_HSW_MAX_DX_REGIONS) { + dev_err(hsw->dev, + "error: number of FW context regions greater than %d\n", + SST_HSW_MAX_DX_REGIONS); + memset(&hsw->dx, 0, sizeof(hsw->dx)); + return -EINVAL; + } + + ret = sst_dsp_dma_get_channel(sst, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: cant allocate dma channel %d\n", ret); + return ret; + } + + /* set on-demond mode on engine 0 channel 3 */ + sst_dsp_shim_update_bits(sst, SST_HMDC, + SST_HMDC_HDDA_E0_ALLCH | SST_HMDC_HDDA_E1_ALLCH, + SST_HMDC_HDDA_E0_ALLCH | SST_HMDC_HDDA_E1_ALLCH); + + for (item = 0; item < hsw->dx.entries_no; item++) { + if (hsw->dx.mem_info[item].source == SST_HSW_DX_TYPE_MEMORY_DUMP + && hsw->dx.mem_info[item].offset > DSP_DRAM_ADDR_OFFSET + && hsw->dx.mem_info[item].offset < + DSP_DRAM_ADDR_OFFSET + SST_HSW_DX_CONTEXT_SIZE) { + + offset = hsw->dx.mem_info[item].offset + - DSP_DRAM_ADDR_OFFSET; + size = (hsw->dx.mem_info[item].size + 3) & (~3); + + ret = sst_dsp_dma_copyfrom(sst, hsw->dx_context_paddr + offset, + sst->addr.lpe_base + offset, size); + if (ret < 0) { + dev_err(hsw->dev, + "error: FW context dump failed\n"); + memset(&hsw->dx, 0, sizeof(hsw->dx)); + goto out; + } + } + } + +out: + sst_dsp_dma_put_channel(sst); + return ret; +} + +static int sst_hsw_dx_state_restore(struct sst_hsw *hsw) +{ + struct sst_dsp *sst = hsw->dsp; + u32 item, offset, size; + int ret; + + for (item = 0; item < hsw->dx.entries_no; item++) { + if (hsw->dx.mem_info[item].source == SST_HSW_DX_TYPE_MEMORY_DUMP + && hsw->dx.mem_info[item].offset > DSP_DRAM_ADDR_OFFSET + && hsw->dx.mem_info[item].offset < + DSP_DRAM_ADDR_OFFSET + SST_HSW_DX_CONTEXT_SIZE) { + + offset = hsw->dx.mem_info[item].offset + - DSP_DRAM_ADDR_OFFSET; + size = (hsw->dx.mem_info[item].size + 3) & (~3); + + ret = sst_dsp_dma_copyto(sst, sst->addr.lpe_base + offset, + hsw->dx_context_paddr + offset, size); + if (ret < 0) { + dev_err(hsw->dev, + "error: FW context restore failed\n"); + return ret; + } + } + } + + return 0; +} + +int sst_hsw_dsp_load(struct sst_hsw *hsw) +{ + struct sst_dsp *dsp = hsw->dsp; + struct sst_fw *sst_fw, *t; + int ret; + + dev_dbg(hsw->dev, "loading audio DSP...."); + + ret = sst_dsp_wake(dsp); + if (ret < 0) { + dev_err(hsw->dev, "error: failed to wake audio DSP\n"); + return -ENODEV; + } + + ret = sst_dsp_dma_get_channel(dsp, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: cant allocate dma channel %d\n", ret); + return ret; + } + + list_for_each_entry_safe_reverse(sst_fw, t, &dsp->fw_list, list) { + ret = sst_fw_reload(sst_fw); + if (ret < 0) { + dev_err(hsw->dev, "error: SST FW reload failed\n"); + sst_dsp_dma_put_channel(dsp); + return -ENOMEM; + } + } + ret = sst_block_alloc_scratch(hsw->dsp); + if (ret < 0) + return -EINVAL; + + sst_dsp_dma_put_channel(dsp); + return 0; +} + +static int sst_hsw_dsp_restore(struct sst_hsw *hsw) +{ + struct sst_dsp *dsp = hsw->dsp; + int ret; + + dev_dbg(hsw->dev, "restoring audio DSP...."); + + ret = sst_dsp_dma_get_channel(dsp, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: cant allocate dma channel %d\n", ret); + return ret; + } + + ret = sst_hsw_dx_state_restore(hsw); + if (ret < 0) { + dev_err(hsw->dev, "error: SST FW context restore failed\n"); + sst_dsp_dma_put_channel(dsp); + return -ENOMEM; + } + sst_dsp_dma_put_channel(dsp); + + /* wait for DSP boot completion */ + sst_dsp_boot(dsp); + + return ret; +} + +int sst_hsw_dsp_runtime_suspend(struct sst_hsw *hsw) +{ + int ret; + + dev_dbg(hsw->dev, "audio dsp runtime suspend\n"); + + ret = sst_hsw_dx_set_state(hsw, SST_HSW_DX_STATE_D3, &hsw->dx); + if (ret < 0) + return ret; + + sst_dsp_stall(hsw->dsp); + + ret = sst_hsw_dx_state_dump(hsw); + if (ret < 0) + return ret; + + sst_ipc_drop_all(&hsw->ipc); + + return 0; +} + +int sst_hsw_dsp_runtime_sleep(struct sst_hsw *hsw) +{ + struct sst_fw *sst_fw, *t; + struct sst_dsp *dsp = hsw->dsp; + + list_for_each_entry_safe(sst_fw, t, &dsp->fw_list, list) { + sst_fw_unload(sst_fw); + } + sst_block_free_scratch(dsp); + + hsw->boot_complete = false; + + sst_dsp_sleep(dsp); + + return 0; +} + +int sst_hsw_dsp_runtime_resume(struct sst_hsw *hsw) +{ + struct device *dev = hsw->dev; + int ret; + + dev_dbg(dev, "audio dsp runtime resume\n"); + + if (hsw->boot_complete) + return 1; /* tell caller no action is required */ + + ret = sst_hsw_dsp_restore(hsw); + if (ret < 0) + dev_err(dev, "error: audio DSP boot failure\n"); + + sst_hsw_init_module_state(hsw); + + ret = wait_event_timeout(hsw->boot_wait, hsw->boot_complete, + msecs_to_jiffies(IPC_BOOT_MSECS)); + if (ret == 0) { + dev_err(hsw->dev, "error: audio DSP boot timeout IPCD 0x%x IPCX 0x%x\n", + sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCD), + sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCX)); + return -EIO; + } + + /* Set ADSP SSP port settings */ + ret = sst_hsw_device_set_config(hsw, SST_HSW_DEVICE_SSP_0, + SST_HSW_DEVICE_MCLK_FREQ_24_MHZ, + SST_HSW_DEVICE_CLOCK_MASTER, 9); + if (ret < 0) + dev_err(dev, "error: SSP re-initialization failed\n"); + + return ret; +} +#endif + +struct sst_dsp *sst_hsw_get_dsp(struct sst_hsw *hsw) +{ + return hsw->dsp; +} + +void sst_hsw_init_module_state(struct sst_hsw *hsw) +{ + struct sst_module *module; + enum sst_hsw_module_id id; + + /* the base fw contains several modules */ + for (id = SST_HSW_MODULE_BASE_FW; id < SST_HSW_MAX_MODULE_ID; id++) { + module = sst_module_get_from_id(hsw->dsp, id); + if (module) { + /* module waves is active only after being enabled */ + if (id == SST_HSW_MODULE_WAVES) + module->state = SST_MODULE_STATE_INITIALIZED; + else + module->state = SST_MODULE_STATE_ACTIVE; + } + } +} + +bool sst_hsw_is_module_loaded(struct sst_hsw *hsw, u32 module_id) +{ + struct sst_module *module; + + module = sst_module_get_from_id(hsw->dsp, module_id); + if (module == NULL || module->state == SST_MODULE_STATE_UNLOADED) + return false; + else + return true; +} + +bool sst_hsw_is_module_active(struct sst_hsw *hsw, u32 module_id) +{ + struct sst_module *module; + + module = sst_module_get_from_id(hsw->dsp, module_id); + if (module != NULL && module->state == SST_MODULE_STATE_ACTIVE) + return true; + else + return false; +} + +void sst_hsw_set_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id) +{ + hsw->enabled_modules_rtd3 |= (1 << module_id); +} + +void sst_hsw_set_module_disabled_rtd3(struct sst_hsw *hsw, u32 module_id) +{ + hsw->enabled_modules_rtd3 &= ~(1 << module_id); +} + +bool sst_hsw_is_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id) +{ + return hsw->enabled_modules_rtd3 & (1 << module_id); +} + +void sst_hsw_reset_param_buf(struct sst_hsw *hsw) +{ + hsw->param_idx_w = 0; + hsw->param_idx_r = 0; + memset((void *)hsw->param_buf, 0, sizeof(hsw->param_buf)); +} + +int sst_hsw_store_param_line(struct sst_hsw *hsw, u8 *buf) +{ + /* save line to the first available position of param buffer */ + if (hsw->param_idx_w > WAVES_PARAM_LINES - 1) { + dev_warn(hsw->dev, "warning: param buffer overflow!\n"); + return -EPERM; + } + memcpy(hsw->param_buf[hsw->param_idx_w], buf, WAVES_PARAM_COUNT); + hsw->param_idx_w++; + return 0; +} + +int sst_hsw_load_param_line(struct sst_hsw *hsw, u8 *buf) +{ + u8 id = 0; + + /* read the first matching line from param buffer */ + while (hsw->param_idx_r < WAVES_PARAM_LINES) { + id = hsw->param_buf[hsw->param_idx_r][0]; + hsw->param_idx_r++; + if (buf[0] == id) { + memcpy(buf, hsw->param_buf[hsw->param_idx_r], + WAVES_PARAM_COUNT); + break; + } + } + if (hsw->param_idx_r > WAVES_PARAM_LINES - 1) { + dev_dbg(hsw->dev, "end of buffer, roll to the beginning\n"); + hsw->param_idx_r = 0; + return 0; + } + return 0; +} + +int sst_hsw_launch_param_buf(struct sst_hsw *hsw) +{ + int ret, idx; + + if (!sst_hsw_is_module_active(hsw, SST_HSW_MODULE_WAVES)) { + dev_dbg(hsw->dev, "module waves is not active\n"); + return 0; + } + + /* put all param lines to DSP through ipc */ + for (idx = 0; idx < hsw->param_idx_w; idx++) { + ret = sst_hsw_module_set_param(hsw, + SST_HSW_MODULE_WAVES, 0, hsw->param_buf[idx][0], + WAVES_PARAM_COUNT, hsw->param_buf[idx]); + if (ret < 0) + return ret; + } + return 0; +} + +int sst_hsw_module_load(struct sst_hsw *hsw, + u32 module_id, u32 instance_id, char *name) +{ + int ret = 0; + const struct firmware *fw = NULL; + struct sst_fw *hsw_sst_fw; + struct sst_module *module; + struct device *dev = hsw->dev; + struct sst_dsp *dsp = hsw->dsp; + + dev_dbg(dev, "sst_hsw_module_load id=%d, name='%s'", module_id, name); + + module = sst_module_get_from_id(dsp, module_id); + if (module == NULL) { + /* loading for the first time */ + if (module_id == SST_HSW_MODULE_BASE_FW) { + /* for base module: use fw requested in acpi probe */ + fw = dsp->pdata->fw; + if (!fw) { + dev_err(dev, "request Base fw failed\n"); + return -ENODEV; + } + } else { + /* try and load any other optional modules if they are + * available. Use dev_info instead of dev_err in case + * request firmware failed */ + ret = reject_firmware(&fw, name, dev); + if (ret) { + dev_info(dev, "fw image %s not available(%d)\n", + name, ret); + return ret; + } + } + hsw_sst_fw = sst_fw_new(dsp, fw, hsw); + if (hsw_sst_fw == NULL) { + dev_err(dev, "error: failed to load firmware\n"); + ret = -ENOMEM; + goto out; + } + module = sst_module_get_from_id(dsp, module_id); + if (module == NULL) { + dev_err(dev, "error: no module %d in firmware %s\n", + module_id, name); + } + } else + dev_info(dev, "module %d (%s) already loaded\n", + module_id, name); +out: + /* release fw, but base fw should be released by acpi driver */ + if (fw && module_id != SST_HSW_MODULE_BASE_FW) + release_firmware(fw); + + return ret; +} + +int sst_hsw_module_enable(struct sst_hsw *hsw, + u32 module_id, u32 instance_id) +{ + int ret; + u32 header = 0; + struct sst_hsw_ipc_module_config config; + struct sst_module *module; + struct sst_module_runtime *runtime; + struct device *dev = hsw->dev; + struct sst_dsp *dsp = hsw->dsp; + + if (!sst_hsw_is_module_loaded(hsw, module_id)) { + dev_dbg(dev, "module %d not loaded\n", module_id); + return 0; + } + + if (sst_hsw_is_module_active(hsw, module_id)) { + dev_info(dev, "module %d already enabled\n", module_id); + return 0; + } + + module = sst_module_get_from_id(dsp, module_id); + if (module == NULL) { + dev_err(dev, "module %d not valid\n", module_id); + return -ENXIO; + } + + runtime = sst_module_runtime_get_from_id(module, module_id); + if (runtime == NULL) { + dev_err(dev, "runtime %d not valid", module_id); + return -ENXIO; + } + + header = IPC_GLB_TYPE(IPC_GLB_MODULE_OPERATION) | + IPC_MODULE_OPERATION(IPC_MODULE_ENABLE) | + IPC_MODULE_ID(module_id); + dev_dbg(dev, "module enable header: %x\n", header); + + config.map.module_entries_count = 1; + config.map.module_entries[0].module_id = module->id; + config.map.module_entries[0].entry_point = module->entry; + + config.persistent_mem.offset = + sst_dsp_get_offset(dsp, + runtime->persistent_offset, SST_MEM_DRAM); + config.persistent_mem.size = module->persistent_size; + + config.scratch_mem.offset = + sst_dsp_get_offset(dsp, + dsp->scratch_offset, SST_MEM_DRAM); + config.scratch_mem.size = module->scratch_size; + dev_dbg(dev, "mod %d enable p:%d @ %x, s:%d @ %x, ep: %x", + config.map.module_entries[0].module_id, + config.persistent_mem.size, + config.persistent_mem.offset, + config.scratch_mem.size, config.scratch_mem.offset, + config.map.module_entries[0].entry_point); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, + &config, sizeof(config), NULL, 0); + if (ret < 0) + dev_err(dev, "ipc: module enable failed - %d\n", ret); + else + module->state = SST_MODULE_STATE_ACTIVE; + + return ret; +} + +int sst_hsw_module_disable(struct sst_hsw *hsw, + u32 module_id, u32 instance_id) +{ + int ret; + u32 header; + struct sst_module *module; + struct device *dev = hsw->dev; + struct sst_dsp *dsp = hsw->dsp; + + if (!sst_hsw_is_module_loaded(hsw, module_id)) { + dev_dbg(dev, "module %d not loaded\n", module_id); + return 0; + } + + if (!sst_hsw_is_module_active(hsw, module_id)) { + dev_info(dev, "module %d already disabled\n", module_id); + return 0; + } + + module = sst_module_get_from_id(dsp, module_id); + if (module == NULL) { + dev_err(dev, "module %d not valid\n", module_id); + return -ENXIO; + } + + header = IPC_GLB_TYPE(IPC_GLB_MODULE_OPERATION) | + IPC_MODULE_OPERATION(IPC_MODULE_DISABLE) | + IPC_MODULE_ID(module_id); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, NULL, 0, NULL, 0); + if (ret < 0) + dev_err(dev, "module disable failed - %d\n", ret); + else + module->state = SST_MODULE_STATE_INITIALIZED; + + return ret; +} + +int sst_hsw_module_set_param(struct sst_hsw *hsw, + u32 module_id, u32 instance_id, u32 parameter_id, + u32 param_size, char *param) +{ + int ret; + unsigned char *data = NULL; + u32 header = 0; + u32 payload_size = 0, transfer_parameter_size = 0; + dma_addr_t dma_addr = 0; + struct sst_hsw_transfer_parameter *parameter; + struct device *dev = hsw->dev; + + header = IPC_GLB_TYPE(IPC_GLB_MODULE_OPERATION) | + IPC_MODULE_OPERATION(IPC_MODULE_SET_PARAMETER) | + IPC_MODULE_ID(module_id); + dev_dbg(dev, "sst_hsw_module_set_param header=%x\n", header); + + payload_size = param_size + + sizeof(struct sst_hsw_transfer_parameter) - + sizeof(struct sst_hsw_transfer_list); + dev_dbg(dev, "parameter size : %d\n", param_size); + dev_dbg(dev, "payload size : %d\n", payload_size); + + if (payload_size <= SST_HSW_IPC_MAX_SHORT_PARAMETER_SIZE) { + /* short parameter, mailbox can contain data */ + dev_dbg(dev, "transfer parameter size : %d\n", + transfer_parameter_size); + + transfer_parameter_size = ALIGN(payload_size, 4); + dev_dbg(dev, "transfer parameter aligned size : %d\n", + transfer_parameter_size); + + parameter = kzalloc(transfer_parameter_size, GFP_KERNEL); + if (parameter == NULL) + return -ENOMEM; + + memcpy(parameter->data, param, param_size); + } else { + dev_warn(dev, "transfer parameter size too large!"); + return 0; + } + + parameter->parameter_id = parameter_id; + parameter->data_size = param_size; + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, + parameter, transfer_parameter_size , NULL, 0); + if (ret < 0) + dev_err(dev, "ipc: module set parameter failed - %d\n", ret); + + kfree(parameter); + + if (data) + dma_free_coherent(hsw->dsp->dma_dev, + param_size, (void *)data, dma_addr); + + return ret; +} + +static struct sst_dsp_device hsw_dev = { + .thread = hsw_irq_thread, + .ops = &haswell_ops, +}; + +static void hsw_tx_msg(struct sst_generic_ipc *ipc, struct ipc_message *msg) +{ + /* send the message */ + sst_dsp_outbox_write(ipc->dsp, msg->tx_data, msg->tx_size); + sst_dsp_ipc_msg_tx(ipc->dsp, msg->header); +} + +static void hsw_shim_dbg(struct sst_generic_ipc *ipc, const char *text) +{ + struct sst_dsp *sst = ipc->dsp; + u32 isr, ipcd, imrx, ipcx; + + ipcx = sst_dsp_shim_read_unlocked(sst, SST_IPCX); + isr = sst_dsp_shim_read_unlocked(sst, SST_ISRX); + ipcd = sst_dsp_shim_read_unlocked(sst, SST_IPCD); + imrx = sst_dsp_shim_read_unlocked(sst, SST_IMRX); + + dev_err(ipc->dev, + "ipc: --%s-- ipcx 0x%8.8x isr 0x%8.8x ipcd 0x%8.8x imrx 0x%8.8x\n", + text, ipcx, isr, ipcd, imrx); +} + +static void hsw_tx_data_copy(struct ipc_message *msg, char *tx_data, + size_t tx_size) +{ + memcpy(msg->tx_data, tx_data, tx_size); +} + +static u64 hsw_reply_msg_match(u64 header, u64 *mask) +{ + /* clear reply bits & status bits */ + header &= ~(IPC_STATUS_MASK | IPC_GLB_REPLY_MASK); + *mask = (u64)-1; + + return header; +} + +int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata) +{ + struct sst_hsw_ipc_fw_version version; + struct sst_hsw *hsw; + struct sst_generic_ipc *ipc; + int ret; + + dev_dbg(dev, "initialising Audio DSP IPC\n"); + + hsw = devm_kzalloc(dev, sizeof(*hsw), GFP_KERNEL); + if (hsw == NULL) + return -ENOMEM; + + ipc = &hsw->ipc; + ipc->dev = dev; + ipc->ops.tx_msg = hsw_tx_msg; + ipc->ops.shim_dbg = hsw_shim_dbg; + ipc->ops.tx_data_copy = hsw_tx_data_copy; + ipc->ops.reply_msg_match = hsw_reply_msg_match; + + ret = sst_ipc_init(ipc); + if (ret != 0) + goto ipc_init_err; + + INIT_LIST_HEAD(&hsw->stream_list); + init_waitqueue_head(&hsw->boot_wait); + hsw_dev.thread_context = hsw; + + /* init SST shim */ + hsw->dsp = sst_dsp_new(dev, &hsw_dev, pdata); + if (hsw->dsp == NULL) { + ret = -ENODEV; + goto dsp_new_err; + } + + ipc->dsp = hsw->dsp; + + /* allocate DMA buffer for context storage */ + hsw->dx_context = dma_alloc_coherent(hsw->dsp->dma_dev, + SST_HSW_DX_CONTEXT_SIZE, &hsw->dx_context_paddr, GFP_KERNEL); + if (hsw->dx_context == NULL) { + ret = -ENOMEM; + goto dma_err; + } + + /* keep the DSP in reset state for base FW loading */ + sst_dsp_reset(hsw->dsp); + + /* load base module and other modules in base firmware image */ + ret = sst_hsw_module_load(hsw, SST_HSW_MODULE_BASE_FW, 0, "Base"); + if (ret < 0) + goto fw_err; + + /* try to load module waves */ + sst_hsw_module_load(hsw, SST_HSW_MODULE_WAVES, 0, "/*(DEBLOBBED)*/"); + + /* allocate scratch mem regions */ + ret = sst_block_alloc_scratch(hsw->dsp); + if (ret < 0) + goto boot_err; + + /* init param buffer */ + sst_hsw_reset_param_buf(hsw); + + /* wait for DSP boot completion */ + sst_dsp_boot(hsw->dsp); + ret = wait_event_timeout(hsw->boot_wait, hsw->boot_complete, + msecs_to_jiffies(IPC_BOOT_MSECS)); + if (ret == 0) { + ret = -EIO; + dev_err(hsw->dev, "error: audio DSP boot timeout IPCD 0x%x IPCX 0x%x\n", + sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCD), + sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCX)); + goto boot_err; + } + + /* init module state after boot */ + sst_hsw_init_module_state(hsw); + + /* get the FW version */ + sst_hsw_fw_get_version(hsw, &version); + + /* get the globalmixer */ + ret = sst_hsw_mixer_get_info(hsw); + if (ret < 0) { + dev_err(hsw->dev, "error: failed to get stream info\n"); + goto boot_err; + } + + pdata->dsp = hsw; + return 0; + +boot_err: + sst_dsp_reset(hsw->dsp); + sst_fw_free_all(hsw->dsp); +fw_err: + dma_free_coherent(hsw->dsp->dma_dev, SST_HSW_DX_CONTEXT_SIZE, + hsw->dx_context, hsw->dx_context_paddr); +dma_err: + sst_dsp_free(hsw->dsp); +dsp_new_err: + sst_ipc_fini(ipc); +ipc_init_err: + return ret; +} +EXPORT_SYMBOL_GPL(sst_hsw_dsp_init); + +void sst_hsw_dsp_free(struct device *dev, struct sst_pdata *pdata) +{ + struct sst_hsw *hsw = pdata->dsp; + + sst_dsp_reset(hsw->dsp); + sst_fw_free_all(hsw->dsp); + dma_free_coherent(hsw->dsp->dma_dev, SST_HSW_DX_CONTEXT_SIZE, + hsw->dx_context, hsw->dx_context_paddr); + sst_dsp_free(hsw->dsp); + sst_ipc_fini(&hsw->ipc); +} +EXPORT_SYMBOL_GPL(sst_hsw_dsp_free); |