// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) // // This file is provided under a dual BSD/GPLv2 license. When using or // redistributing this file, you may do so under either license. // // Copyright(c) 2021 Intel Corporation // // #include #include #include #include "sof-priv.h" #include "sof-audio.h" #include "ipc3-priv.h" #include "ops.h" typedef void (*ipc3_rx_callback)(struct snd_sof_dev *sdev, void *msg_buf); #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC) static void ipc3_log_header(struct device *dev, u8 *text, u32 cmd) { u8 *str; u8 *str2 = NULL; u32 glb; u32 type; bool is_sof_ipc_stream_position = false; glb = cmd & SOF_GLB_TYPE_MASK; type = cmd & SOF_CMD_TYPE_MASK; switch (glb) { case SOF_IPC_GLB_REPLY: str = "GLB_REPLY"; break; case SOF_IPC_GLB_COMPOUND: str = "GLB_COMPOUND"; break; case SOF_IPC_GLB_TPLG_MSG: str = "GLB_TPLG_MSG"; switch (type) { case SOF_IPC_TPLG_COMP_NEW: str2 = "COMP_NEW"; break; case SOF_IPC_TPLG_COMP_FREE: str2 = "COMP_FREE"; break; case SOF_IPC_TPLG_COMP_CONNECT: str2 = "COMP_CONNECT"; break; case SOF_IPC_TPLG_PIPE_NEW: str2 = "PIPE_NEW"; break; case SOF_IPC_TPLG_PIPE_FREE: str2 = "PIPE_FREE"; break; case SOF_IPC_TPLG_PIPE_CONNECT: str2 = "PIPE_CONNECT"; break; case SOF_IPC_TPLG_PIPE_COMPLETE: str2 = "PIPE_COMPLETE"; break; case SOF_IPC_TPLG_BUFFER_NEW: str2 = "BUFFER_NEW"; break; case SOF_IPC_TPLG_BUFFER_FREE: str2 = "BUFFER_FREE"; break; default: str2 = "unknown type"; break; } break; case SOF_IPC_GLB_PM_MSG: str = "GLB_PM_MSG"; switch (type) { case SOF_IPC_PM_CTX_SAVE: str2 = "CTX_SAVE"; break; case SOF_IPC_PM_CTX_RESTORE: str2 = "CTX_RESTORE"; break; case SOF_IPC_PM_CTX_SIZE: str2 = "CTX_SIZE"; break; case SOF_IPC_PM_CLK_SET: str2 = "CLK_SET"; break; case SOF_IPC_PM_CLK_GET: str2 = "CLK_GET"; break; case SOF_IPC_PM_CLK_REQ: str2 = "CLK_REQ"; break; case SOF_IPC_PM_CORE_ENABLE: str2 = "CORE_ENABLE"; break; case SOF_IPC_PM_GATE: str2 = "GATE"; break; default: str2 = "unknown type"; break; } break; case SOF_IPC_GLB_COMP_MSG: str = "GLB_COMP_MSG"; switch (type) { case SOF_IPC_COMP_SET_VALUE: str2 = "SET_VALUE"; break; case SOF_IPC_COMP_GET_VALUE: str2 = "GET_VALUE"; break; case SOF_IPC_COMP_SET_DATA: str2 = "SET_DATA"; break; case SOF_IPC_COMP_GET_DATA: str2 = "GET_DATA"; break; default: str2 = "unknown type"; break; } break; case SOF_IPC_GLB_STREAM_MSG: str = "GLB_STREAM_MSG"; switch (type) { case SOF_IPC_STREAM_PCM_PARAMS: str2 = "PCM_PARAMS"; break; case SOF_IPC_STREAM_PCM_PARAMS_REPLY: str2 = "PCM_REPLY"; break; case SOF_IPC_STREAM_PCM_FREE: str2 = "PCM_FREE"; break; case SOF_IPC_STREAM_TRIG_START: str2 = "TRIG_START"; break; case SOF_IPC_STREAM_TRIG_STOP: str2 = "TRIG_STOP"; break; case SOF_IPC_STREAM_TRIG_PAUSE: str2 = "TRIG_PAUSE"; break; case SOF_IPC_STREAM_TRIG_RELEASE: str2 = "TRIG_RELEASE"; break; case SOF_IPC_STREAM_TRIG_DRAIN: str2 = "TRIG_DRAIN"; break; case SOF_IPC_STREAM_TRIG_XRUN: str2 = "TRIG_XRUN"; break; case SOF_IPC_STREAM_POSITION: is_sof_ipc_stream_position = true; str2 = "POSITION"; break; case SOF_IPC_STREAM_VORBIS_PARAMS: str2 = "VORBIS_PARAMS"; break; case SOF_IPC_STREAM_VORBIS_FREE: str2 = "VORBIS_FREE"; break; default: str2 = "unknown type"; break; } break; case SOF_IPC_FW_READY: str = "FW_READY"; break; case SOF_IPC_GLB_DAI_MSG: str = "GLB_DAI_MSG"; switch (type) { case SOF_IPC_DAI_CONFIG: str2 = "CONFIG"; break; case SOF_IPC_DAI_LOOPBACK: str2 = "LOOPBACK"; break; default: str2 = "unknown type"; break; } break; case SOF_IPC_GLB_TRACE_MSG: str = "GLB_TRACE_MSG"; switch (type) { case SOF_IPC_TRACE_DMA_PARAMS: str2 = "DMA_PARAMS"; break; case SOF_IPC_TRACE_DMA_POSITION: if (!sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS)) return; str2 = "DMA_POSITION"; break; case SOF_IPC_TRACE_DMA_PARAMS_EXT: str2 = "DMA_PARAMS_EXT"; break; case SOF_IPC_TRACE_FILTER_UPDATE: str2 = "FILTER_UPDATE"; break; case SOF_IPC_TRACE_DMA_FREE: str2 = "DMA_FREE"; break; default: str2 = "unknown type"; break; } break; case SOF_IPC_GLB_TEST_MSG: str = "GLB_TEST_MSG"; switch (type) { case SOF_IPC_TEST_IPC_FLOOD: str2 = "IPC_FLOOD"; break; default: str2 = "unknown type"; break; } break; case SOF_IPC_GLB_DEBUG: str = "GLB_DEBUG"; switch (type) { case SOF_IPC_DEBUG_MEM_USAGE: str2 = "MEM_USAGE"; break; default: str2 = "unknown type"; break; } break; case SOF_IPC_GLB_PROBE: str = "GLB_PROBE"; switch (type) { case SOF_IPC_PROBE_INIT: str2 = "INIT"; break; case SOF_IPC_PROBE_DEINIT: str2 = "DEINIT"; break; case SOF_IPC_PROBE_DMA_ADD: str2 = "DMA_ADD"; break; case SOF_IPC_PROBE_DMA_INFO: str2 = "DMA_INFO"; break; case SOF_IPC_PROBE_DMA_REMOVE: str2 = "DMA_REMOVE"; break; case SOF_IPC_PROBE_POINT_ADD: str2 = "POINT_ADD"; break; case SOF_IPC_PROBE_POINT_INFO: str2 = "POINT_INFO"; break; case SOF_IPC_PROBE_POINT_REMOVE: str2 = "POINT_REMOVE"; break; default: str2 = "unknown type"; break; } break; default: str = "unknown GLB command"; break; } if (str2) { if (is_sof_ipc_stream_position) trace_sof_stream_position_ipc_rx(dev); else dev_dbg(dev, "%s: 0x%x: %s: %s\n", text, cmd, str, str2); } else { dev_dbg(dev, "%s: 0x%x: %s\n", text, cmd, str); } } #else static inline void ipc3_log_header(struct device *dev, u8 *text, u32 cmd) { if ((cmd & SOF_GLB_TYPE_MASK) != SOF_IPC_GLB_TRACE_MSG) dev_dbg(dev, "%s: 0x%x\n", text, cmd); } #endif static void sof_ipc3_dump_payload(struct snd_sof_dev *sdev, void *ipc_data, size_t size) { dev_dbg(sdev->dev, "Size of payload following the header: %zu\n", size); print_hex_dump_debug("Message payload: ", DUMP_PREFIX_OFFSET, 16, 4, ipc_data, size, false); } static int sof_ipc3_get_reply(struct snd_sof_dev *sdev) { struct snd_sof_ipc_msg *msg = sdev->msg; struct sof_ipc_reply *reply; int ret = 0; /* get the generic reply */ reply = msg->reply_data; snd_sof_dsp_mailbox_read(sdev, sdev->host_box.offset, reply, sizeof(*reply)); if (reply->error < 0) return reply->error; if (!reply->hdr.size) { /* Reply should always be >= sizeof(struct sof_ipc_reply) */ if (msg->reply_size) dev_err(sdev->dev, "empty reply received, expected %zu bytes\n", msg->reply_size); else dev_err(sdev->dev, "empty reply received\n"); return -EINVAL; } if (msg->reply_size > 0) { if (reply->hdr.size == msg->reply_size) { ret = 0; } else if (reply->hdr.size < msg->reply_size) { dev_dbg(sdev->dev, "reply size (%u) is less than expected (%zu)\n", reply->hdr.size, msg->reply_size); msg->reply_size = reply->hdr.size; ret = 0; } else { dev_err(sdev->dev, "reply size (%u) exceeds the buffer size (%zu)\n", reply->hdr.size, msg->reply_size); ret = -EINVAL; } /* * get the full message if reply->hdr.size <= msg->reply_size * and the reply->hdr.size > sizeof(struct sof_ipc_reply) */ if (!ret && msg->reply_size > sizeof(*reply)) snd_sof_dsp_mailbox_read(sdev, sdev->host_box.offset, msg->reply_data, msg->reply_size); } return ret; } /* wait for IPC message reply */ static int ipc3_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data) { struct snd_sof_ipc_msg *msg = &ipc->msg; struct sof_ipc_cmd_hdr *hdr = msg->msg_data; struct snd_sof_dev *sdev = ipc->sdev; int ret; /* wait for DSP IPC completion */ ret = wait_event_timeout(msg->waitq, msg->ipc_complete, msecs_to_jiffies(sdev->ipc_timeout)); if (ret == 0) { dev_err(sdev->dev, "ipc tx timed out for %#x (msg/reply size: %d/%zu)\n", hdr->cmd, hdr->size, msg->reply_size); snd_sof_handle_fw_exception(ipc->sdev, "IPC timeout"); ret = -ETIMEDOUT; } else { ret = msg->reply_error; if (ret < 0) { dev_err(sdev->dev, "ipc tx error for %#x (msg/reply size: %d/%zu): %d\n", hdr->cmd, hdr->size, msg->reply_size, ret); } else { if (sof_debug_check_flag(SOF_DBG_PRINT_IPC_SUCCESS_LOGS)) ipc3_log_header(sdev->dev, "ipc tx succeeded", hdr->cmd); if (reply_data && msg->reply_size) /* copy the data returned from DSP */ memcpy(reply_data, msg->reply_data, msg->reply_size); } /* re-enable dumps after successful IPC tx */ if (sdev->ipc_dump_printed) { sdev->dbg_dump_printed = false; sdev->ipc_dump_printed = false; } } return ret; } /* send IPC message from host to DSP */ static int ipc3_tx_msg_unlocked(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes, void *reply_data, size_t reply_bytes) { struct sof_ipc_cmd_hdr *hdr = msg_data; struct snd_sof_dev *sdev = ipc->sdev; int ret; ipc3_log_header(sdev->dev, "ipc tx", hdr->cmd); ret = sof_ipc_send_msg(sdev, msg_data, msg_bytes, reply_bytes); if (ret) { dev_err_ratelimited(sdev->dev, "%s: ipc message send for %#x failed: %d\n", __func__, hdr->cmd, ret); return ret; } /* now wait for completion */ return ipc3_wait_tx_done(ipc, reply_data); } static int sof_ipc3_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes, void *reply_data, size_t reply_bytes, bool no_pm) { struct snd_sof_ipc *ipc = sdev->ipc; int ret; if (!msg_data || msg_bytes < sizeof(struct sof_ipc_cmd_hdr)) { dev_err_ratelimited(sdev->dev, "No IPC message to send\n"); return -EINVAL; } if (!no_pm) { const struct sof_dsp_power_state target_state = { .state = SOF_DSP_PM_D0, }; /* ensure the DSP is in D0 before sending a new IPC */ ret = snd_sof_dsp_set_power_state(sdev, &target_state); if (ret < 0) { dev_err(sdev->dev, "%s: resuming DSP failed: %d\n", __func__, ret); return ret; } } /* Serialise IPC TX */ mutex_lock(&ipc->tx_mutex); ret = ipc3_tx_msg_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes); if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD)) { size_t payload_bytes, header_bytes; char *payload = NULL; /* payload is indicated by non zero msg/reply_bytes */ if (msg_bytes > sizeof(struct sof_ipc_cmd_hdr)) { payload = msg_data; header_bytes = sizeof(struct sof_ipc_cmd_hdr); payload_bytes = msg_bytes - header_bytes; } else if (reply_bytes > sizeof(struct sof_ipc_reply)) { payload = reply_data; header_bytes = sizeof(struct sof_ipc_reply); payload_bytes = reply_bytes - header_bytes; } if (payload) { payload += header_bytes; sof_ipc3_dump_payload(sdev, payload, payload_bytes); } } mutex_unlock(&ipc->tx_mutex); return ret; } static int sof_ipc3_set_get_data(struct snd_sof_dev *sdev, void *data, size_t data_bytes, bool set) { size_t msg_bytes, hdr_bytes, payload_size, send_bytes; struct sof_ipc_ctrl_data *cdata = data; struct sof_ipc_ctrl_data *cdata_chunk; struct snd_sof_ipc *ipc = sdev->ipc; size_t offset = 0; u8 *src, *dst; u32 num_msg; int ret = 0; int i; if (!cdata || data_bytes < sizeof(*cdata)) return -EINVAL; if ((cdata->rhdr.hdr.cmd & SOF_GLB_TYPE_MASK) != SOF_IPC_GLB_COMP_MSG) { dev_err(sdev->dev, "%s: Not supported message type of %#x\n", __func__, cdata->rhdr.hdr.cmd); return -EINVAL; } /* send normal size ipc in one part */ if (cdata->rhdr.hdr.size <= ipc->max_payload_size) return sof_ipc3_tx_msg(sdev, cdata, cdata->rhdr.hdr.size, cdata, cdata->rhdr.hdr.size, false); cdata_chunk = kzalloc(ipc->max_payload_size, GFP_KERNEL); if (!cdata_chunk) return -ENOMEM; switch (cdata->type) { case SOF_CTRL_TYPE_VALUE_CHAN_GET: case SOF_CTRL_TYPE_VALUE_CHAN_SET: hdr_bytes = sizeof(struct sof_ipc_ctrl_data); if (set) { src = (u8 *)cdata->chanv; dst = (u8 *)cdata_chunk->chanv; } else { src = (u8 *)cdata_chunk->chanv; dst = (u8 *)cdata->chanv; } break; case SOF_CTRL_TYPE_DATA_GET: case SOF_CTRL_TYPE_DATA_SET: hdr_bytes = sizeof(struct sof_ipc_ctrl_data) + sizeof(struct sof_abi_hdr); if (set) { src = (u8 *)cdata->data->data; dst = (u8 *)cdata_chunk->data->data; } else { src = (u8 *)cdata_chunk->data->data; dst = (u8 *)cdata->data->data; } break; default: kfree(cdata_chunk); return -EINVAL; } msg_bytes = cdata->rhdr.hdr.size - hdr_bytes; payload_size = ipc->max_payload_size - hdr_bytes; num_msg = DIV_ROUND_UP(msg_bytes, payload_size); /* copy the header data */ memcpy(cdata_chunk, cdata, hdr_bytes); /* Serialise IPC TX */ mutex_lock(&sdev->ipc->tx_mutex); /* copy the payload data in a loop */ for (i = 0; i < num_msg; i++) { send_bytes = min(msg_bytes, payload_size); cdata_chunk->num_elems = send_bytes; cdata_chunk->rhdr.hdr.size = hdr_bytes + send_bytes; cdata_chunk->msg_index = i; msg_bytes -= send_bytes; cdata_chunk->elems_remaining = msg_bytes; if (set) memcpy(dst, src + offset, send_bytes); ret = ipc3_tx_msg_unlocked(sdev->ipc, cdata_chunk, cdata_chunk->rhdr.hdr.size, cdata_chunk, cdata_chunk->rhdr.hdr.size); if (ret < 0) break; if (!set) memcpy(dst + offset, src, send_bytes); offset += payload_size; } if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD)) { size_t header_bytes = sizeof(struct sof_ipc_reply); char *payload = (char *)cdata; payload += header_bytes; sof_ipc3_dump_payload(sdev, payload, data_bytes - header_bytes); } mutex_unlock(&sdev->ipc->tx_mutex); kfree(cdata_chunk); return ret; } int sof_ipc3_get_ext_windows(struct snd_sof_dev *sdev, const struct sof_ipc_ext_data_hdr *ext_hdr) { const struct sof_ipc_window *w = container_of(ext_hdr, struct sof_ipc_window, ext_hdr); if (w->num_windows == 0 || w->num_windows > SOF_IPC_MAX_ELEMS) return -EINVAL; if (sdev->info_window) { if (memcmp(sdev->info_window, w, ext_hdr->hdr.size)) { dev_err(sdev->dev, "mismatch between window descriptor from extended manifest and mailbox"); return -EINVAL; } return 0; } /* keep a local copy of the data */ sdev->info_window = devm_kmemdup(sdev->dev, w, ext_hdr->hdr.size, GFP_KERNEL); if (!sdev->info_window) return -ENOMEM; return 0; } int sof_ipc3_get_cc_info(struct snd_sof_dev *sdev, const struct sof_ipc_ext_data_hdr *ext_hdr) { int ret; const struct sof_ipc_cc_version *cc = container_of(ext_hdr, struct sof_ipc_cc_version, ext_hdr); if (sdev->cc_version) { if (memcmp(sdev->cc_version, cc, cc->ext_hdr.hdr.size)) { dev_err(sdev->dev, "Receive diverged cc_version descriptions"); return -EINVAL; } return 0; } dev_dbg(sdev->dev, "Firmware info: used compiler %s %d:%d:%d%s used optimization flags %s\n", cc->name, cc->major, cc->minor, cc->micro, cc->desc, cc->optim); /* create read-only cc_version debugfs to store compiler version info */ /* use local copy of the cc_version to prevent data corruption */ if (sdev->first_boot) { sdev->cc_version = devm_kmemdup(sdev->dev, cc, cc->ext_hdr.hdr.size, GFP_KERNEL); if (!sdev->cc_version) return -ENOMEM; ret = snd_sof_debugfs_buf_item(sdev, sdev->cc_version, cc->ext_hdr.hdr.size, "cc_version", 0444); /* errors are only due to memory allocation, not debugfs */ if (ret < 0) { dev_err(sdev->dev, "snd_sof_debugfs_buf_item failed\n"); return ret; } } return 0; } /* parse the extended FW boot data structures from FW boot message */ static int ipc3_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 offset) { struct sof_ipc_ext_data_hdr *ext_hdr; void *ext_data; int ret = 0; ext_data = kzalloc(PAGE_SIZE, GFP_KERNEL); if (!ext_data) return -ENOMEM; /* get first header */ snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset, ext_data, sizeof(*ext_hdr)); ext_hdr = ext_data; while (ext_hdr->hdr.cmd == SOF_IPC_FW_READY) { /* read in ext structure */ snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset + sizeof(*ext_hdr), (void *)((u8 *)ext_data + sizeof(*ext_hdr)), ext_hdr->hdr.size - sizeof(*ext_hdr)); dev_dbg(sdev->dev, "found ext header type %d size 0x%x\n", ext_hdr->type, ext_hdr->hdr.size); /* process structure data */ switch (ext_hdr->type) { case SOF_IPC_EXT_WINDOW: ret = sof_ipc3_get_ext_windows(sdev, ext_hdr); break; case SOF_IPC_EXT_CC_INFO: ret = sof_ipc3_get_cc_info(sdev, ext_hdr); break; case SOF_IPC_EXT_UNUSED: case SOF_IPC_EXT_PROBE_INFO: case SOF_IPC_EXT_USER_ABI_INFO: /* They are supported but we don't do anything here */ break; default: dev_info(sdev->dev, "unknown ext header type %d size 0x%x\n", ext_hdr->type, ext_hdr->hdr.size); ret = 0; break; } if (ret < 0) { dev_err(sdev->dev, "Failed to parse ext data type %d\n", ext_hdr->type); break; } /* move to next header */ offset += ext_hdr->hdr.size; snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset, ext_data, sizeof(*ext_hdr)); ext_hdr = ext_data; } kfree(ext_data); return ret; } static void ipc3_get_windows(struct snd_sof_dev *sdev) { struct sof_ipc_window_elem *elem; u32 outbox_offset = 0; u32 stream_offset = 0; u32 inbox_offset = 0; u32 outbox_size = 0; u32 stream_size = 0; u32 inbox_size = 0; u32 debug_size = 0; u32 debug_offset = 0; int window_offset; int i; if (!sdev->info_window) { dev_err(sdev->dev, "%s: No window info present\n", __func__); return; } for (i = 0; i < sdev->info_window->num_windows; i++) { elem = &sdev->info_window->window[i]; window_offset = snd_sof_dsp_get_window_offset(sdev, elem->id); if (window_offset < 0) { dev_warn(sdev->dev, "No offset for window %d\n", elem->id); continue; } switch (elem->type) { case SOF_IPC_REGION_UPBOX: inbox_offset = window_offset + elem->offset; inbox_size = elem->size; snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, inbox_offset, elem->size, "inbox", SOF_DEBUGFS_ACCESS_D0_ONLY); break; case SOF_IPC_REGION_DOWNBOX: outbox_offset = window_offset + elem->offset; outbox_size = elem->size; snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, outbox_offset, elem->size, "outbox", SOF_DEBUGFS_ACCESS_D0_ONLY); break; case SOF_IPC_REGION_TRACE: snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, window_offset + elem->offset, elem->size, "etrace", SOF_DEBUGFS_ACCESS_D0_ONLY); break; case SOF_IPC_REGION_DEBUG: debug_offset = window_offset + elem->offset; debug_size = elem->size; snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, window_offset + elem->offset, elem->size, "debug", SOF_DEBUGFS_ACCESS_D0_ONLY); break; case SOF_IPC_REGION_STREAM: stream_offset = window_offset + elem->offset; stream_size = elem->size; snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, stream_offset, elem->size, "stream", SOF_DEBUGFS_ACCESS_D0_ONLY); break; case SOF_IPC_REGION_REGS: snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, window_offset + elem->offset, elem->size, "regs", SOF_DEBUGFS_ACCESS_D0_ONLY); break; case SOF_IPC_REGION_EXCEPTION: sdev->dsp_oops_offset = window_offset + elem->offset; snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, window_offset + elem->offset, elem->size, "exception", SOF_DEBUGFS_ACCESS_D0_ONLY); break; default: dev_err(sdev->dev, "%s: Illegal window info: %u\n", __func__, elem->type); return; } } if (outbox_size == 0 || inbox_size == 0) { dev_err(sdev->dev, "%s: Illegal mailbox window\n", __func__); return; } sdev->dsp_box.offset = inbox_offset; sdev->dsp_box.size = inbox_size; sdev->host_box.offset = outbox_offset; sdev->host_box.size = outbox_size; sdev->stream_box.offset = stream_offset; sdev->stream_box.size = stream_size; sdev->debug_box.offset = debug_offset; sdev->debug_box.size = debug_size; dev_dbg(sdev->dev, " mailbox upstream 0x%x - size 0x%x\n", inbox_offset, inbox_size); dev_dbg(sdev->dev, " mailbox downstream 0x%x - size 0x%x\n", outbox_offset, outbox_size); dev_dbg(sdev->dev, " stream region 0x%x - size 0x%x\n", stream_offset, stream_size); dev_dbg(sdev->dev, " debug region 0x%x - size 0x%x\n", debug_offset, debug_size); } static int ipc3_init_reply_data_buffer(struct snd_sof_dev *sdev) { struct snd_sof_ipc_msg *msg = &sdev->ipc->msg; msg->reply_data = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL); if (!msg->reply_data) return -ENOMEM; sdev->ipc->max_payload_size = SOF_IPC_MSG_MAX_SIZE; return 0; } int sof_ipc3_validate_fw_version(struct snd_sof_dev *sdev) { struct sof_ipc_fw_ready *ready = &sdev->fw_ready; struct sof_ipc_fw_version *v = &ready->version; dev_info(sdev->dev, "Firmware info: version %d:%d:%d-%s\n", v->major, v->minor, v->micro, v->tag); dev_info(sdev->dev, "Firmware: ABI %d:%d:%d Kernel ABI %d:%d:%d\n", SOF_ABI_VERSION_MAJOR(v->abi_version), SOF_ABI_VERSION_MINOR(v->abi_version), SOF_ABI_VERSION_PATCH(v->abi_version), SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_PATCH); if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, v->abi_version)) { dev_err(sdev->dev, "incompatible FW ABI version\n"); return -EINVAL; } if (IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS) && SOF_ABI_VERSION_MINOR(v->abi_version) > SOF_ABI_MINOR) { dev_err(sdev->dev, "FW ABI is more recent than kernel\n"); return -EINVAL; } if (ready->flags & SOF_IPC_INFO_BUILD) { dev_info(sdev->dev, "Firmware debug build %d on %s-%s - options:\n" " GDB: %s\n" " lock debug: %s\n" " lock vdebug: %s\n", v->build, v->date, v->time, (ready->flags & SOF_IPC_INFO_GDB) ? "enabled" : "disabled", (ready->flags & SOF_IPC_INFO_LOCKS) ? "enabled" : "disabled", (ready->flags & SOF_IPC_INFO_LOCKSV) ? "enabled" : "disabled"); } /* copy the fw_version into debugfs at first boot */ memcpy(&sdev->fw_version, v, sizeof(*v)); return 0; } static int ipc3_fw_ready(struct snd_sof_dev *sdev, u32 cmd) { struct sof_ipc_fw_ready *fw_ready = &sdev->fw_ready; int offset; int ret; /* mailbox must be on 4k boundary */ offset = snd_sof_dsp_get_mailbox_offset(sdev); if (offset < 0) { dev_err(sdev->dev, "%s: no mailbox offset\n", __func__); return offset; } dev_dbg(sdev->dev, "DSP is ready 0x%8.8x offset 0x%x\n", cmd, offset); /* no need to re-check version/ABI for subsequent boots */ if (!sdev->first_boot) return 0; /* * copy data from the DSP FW ready offset * Subsequent error handling is not needed for BLK_TYPE_SRAM */ ret = snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset, fw_ready, sizeof(*fw_ready)); if (ret) { dev_err(sdev->dev, "Unable to read fw_ready, read from TYPE_SRAM failed\n"); return ret; } /* make sure ABI version is compatible */ ret = sof_ipc3_validate_fw_version(sdev); if (ret < 0) return ret; /* now check for extended data */ ipc3_fw_parse_ext_data(sdev, offset + sizeof(struct sof_ipc_fw_ready)); ipc3_get_windows(sdev); return ipc3_init_reply_data_buffer(sdev); } /* IPC stream position. */ static void ipc3_period_elapsed(struct snd_sof_dev *sdev, u32 msg_id) { struct snd_soc_component *scomp = sdev->component; struct snd_sof_pcm_stream *stream; struct sof_ipc_stream_posn posn; struct snd_sof_pcm *spcm; int direction, ret; spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction); if (!spcm) { dev_err(sdev->dev, "period elapsed for unknown stream, msg_id %d\n", msg_id); return; } stream = &spcm->stream[direction]; ret = snd_sof_ipc_msg_data(sdev, stream, &posn, sizeof(posn)); if (ret < 0) { dev_warn(sdev->dev, "failed to read stream position: %d\n", ret); return; } trace_sof_ipc3_period_elapsed_position(sdev, &posn); memcpy(&stream->posn, &posn, sizeof(posn)); if (spcm->pcm.compress) snd_sof_compr_fragment_elapsed(stream->cstream); else if (stream->substream->runtime && !stream->substream->runtime->no_period_wakeup) /* only inform ALSA for period_wakeup mode */ snd_sof_pcm_period_elapsed(stream->substream); } /* DSP notifies host of an XRUN within FW */ static void ipc3_xrun(struct snd_sof_dev *sdev, u32 msg_id) { struct snd_soc_component *scomp = sdev->component; struct snd_sof_pcm_stream *stream; struct sof_ipc_stream_posn posn; struct snd_sof_pcm *spcm; int direction, ret; spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction); if (!spcm) { dev_err(sdev->dev, "XRUN for unknown stream, msg_id %d\n", msg_id); return; } stream = &spcm->stream[direction]; ret = snd_sof_ipc_msg_data(sdev, stream, &posn, sizeof(posn)); if (ret < 0) { dev_warn(sdev->dev, "failed to read overrun position: %d\n", ret); return; } dev_dbg(sdev->dev, "posn XRUN: host %llx comp %d size %d\n", posn.host_posn, posn.xrun_comp_id, posn.xrun_size); #if defined(CONFIG_SND_SOC_SOF_DEBUG_XRUN_STOP) /* stop PCM on XRUN - used for pipeline debug */ memcpy(&stream->posn, &posn, sizeof(posn)); snd_pcm_stop_xrun(stream->substream); #endif } /* stream notifications from firmware */ static void ipc3_stream_message(struct snd_sof_dev *sdev, void *msg_buf) { struct sof_ipc_cmd_hdr *hdr = msg_buf; u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK; u32 msg_id = SOF_IPC_MESSAGE_ID(hdr->cmd); switch (msg_type) { case SOF_IPC_STREAM_POSITION: ipc3_period_elapsed(sdev, msg_id); break; case SOF_IPC_STREAM_TRIG_XRUN: ipc3_xrun(sdev, msg_id); break; default: dev_err(sdev->dev, "unhandled stream message %#x\n", msg_id); break; } } /* component notifications from firmware */ static void ipc3_comp_notification(struct snd_sof_dev *sdev, void *msg_buf) { const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; struct sof_ipc_cmd_hdr *hdr = msg_buf; u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK; switch (msg_type) { case SOF_IPC_COMP_GET_VALUE: case SOF_IPC_COMP_GET_DATA: break; default: dev_err(sdev->dev, "unhandled component message %#x\n", msg_type); return; } if (tplg_ops->control->update) tplg_ops->control->update(sdev, msg_buf); } static void ipc3_trace_message(struct snd_sof_dev *sdev, void *msg_buf) { struct sof_ipc_cmd_hdr *hdr = msg_buf; u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK; switch (msg_type) { case SOF_IPC_TRACE_DMA_POSITION: ipc3_dtrace_posn_update(sdev, msg_buf); break; default: dev_err(sdev->dev, "unhandled trace message %#x\n", msg_type); break; } } void sof_ipc3_do_rx_work(struct snd_sof_dev *sdev, struct sof_ipc_cmd_hdr *hdr, void *msg_buf) { ipc3_rx_callback rx_callback = NULL; u32 cmd; int err; ipc3_log_header(sdev->dev, "ipc rx", hdr->cmd); if (hdr->size < sizeof(*hdr) || hdr->size > SOF_IPC_MSG_MAX_SIZE) { dev_err(sdev->dev, "The received message size is invalid: %u\n", hdr->size); return; } cmd = hdr->cmd & SOF_GLB_TYPE_MASK; /* check message type */ switch (cmd) { case SOF_IPC_GLB_REPLY: dev_err(sdev->dev, "ipc reply unknown\n"); break; case SOF_IPC_FW_READY: /* check for FW boot completion */ if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) { err = ipc3_fw_ready(sdev, cmd); if (err < 0) sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED); else sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK); /* wake up firmware loader */ wake_up(&sdev->boot_wait); } break; case SOF_IPC_GLB_COMPOUND: case SOF_IPC_GLB_TPLG_MSG: case SOF_IPC_GLB_PM_MSG: break; case SOF_IPC_GLB_COMP_MSG: rx_callback = ipc3_comp_notification; break; case SOF_IPC_GLB_STREAM_MSG: rx_callback = ipc3_stream_message; break; case SOF_IPC_GLB_TRACE_MSG: rx_callback = ipc3_trace_message; break; default: dev_err(sdev->dev, "%s: Unknown DSP message: 0x%x\n", __func__, cmd); break; } /* Call local handler for the message */ if (rx_callback) rx_callback(sdev, msg_buf); /* Notify registered clients */ sof_client_ipc_rx_dispatcher(sdev, msg_buf); ipc3_log_header(sdev->dev, "ipc rx done", hdr->cmd); } EXPORT_SYMBOL(sof_ipc3_do_rx_work); /* DSP firmware has sent host a message */ static void sof_ipc3_rx_msg(struct snd_sof_dev *sdev) { struct sof_ipc_cmd_hdr hdr; void *msg_buf; int err; /* read back header */ err = snd_sof_ipc_msg_data(sdev, NULL, &hdr, sizeof(hdr)); if (err < 0) { dev_warn(sdev->dev, "failed to read IPC header: %d\n", err); return; } if (hdr.size < sizeof(hdr) || hdr.size > SOF_IPC_MSG_MAX_SIZE) { dev_err(sdev->dev, "The received message size is invalid\n"); return; } /* read the full message */ msg_buf = kmalloc(hdr.size, GFP_KERNEL); if (!msg_buf) return; err = snd_sof_ipc_msg_data(sdev, NULL, msg_buf, hdr.size); if (err < 0) { dev_err(sdev->dev, "%s: Failed to read message: %d\n", __func__, err); kfree(msg_buf); return; } sof_ipc3_do_rx_work(sdev, &hdr, msg_buf); kfree(msg_buf); } static int sof_ipc3_set_core_state(struct snd_sof_dev *sdev, int core_idx, bool on) { struct sof_ipc_pm_core_config core_cfg = { .hdr.size = sizeof(core_cfg), .hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE, }; if (on) core_cfg.enable_mask = sdev->enabled_cores_mask | BIT(core_idx); else core_cfg.enable_mask = sdev->enabled_cores_mask & ~BIT(core_idx); return sof_ipc3_tx_msg(sdev, &core_cfg, sizeof(core_cfg), NULL, 0, false); } static int sof_ipc3_ctx_ipc(struct snd_sof_dev *sdev, int cmd) { struct sof_ipc_pm_ctx pm_ctx = { .hdr.size = sizeof(pm_ctx), .hdr.cmd = SOF_IPC_GLB_PM_MSG | cmd, }; /* send ctx save ipc to dsp */ return sof_ipc3_tx_msg(sdev, &pm_ctx, sizeof(pm_ctx), NULL, 0, false); } static int sof_ipc3_ctx_save(struct snd_sof_dev *sdev) { return sof_ipc3_ctx_ipc(sdev, SOF_IPC_PM_CTX_SAVE); } static int sof_ipc3_ctx_restore(struct snd_sof_dev *sdev) { return sof_ipc3_ctx_ipc(sdev, SOF_IPC_PM_CTX_RESTORE); } static int sof_ipc3_set_pm_gate(struct snd_sof_dev *sdev, u32 flags) { struct sof_ipc_pm_gate pm_gate; memset(&pm_gate, 0, sizeof(pm_gate)); /* configure pm_gate ipc message */ pm_gate.hdr.size = sizeof(pm_gate); pm_gate.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_GATE; pm_gate.flags = flags; /* send pm_gate ipc to dsp */ return sof_ipc_tx_message_no_pm_no_reply(sdev->ipc, &pm_gate, sizeof(pm_gate)); } static const struct sof_ipc_pm_ops ipc3_pm_ops = { .ctx_save = sof_ipc3_ctx_save, .ctx_restore = sof_ipc3_ctx_restore, .set_core_state = sof_ipc3_set_core_state, .set_pm_gate = sof_ipc3_set_pm_gate, }; const struct sof_ipc_ops ipc3_ops = { .tplg = &ipc3_tplg_ops, .pm = &ipc3_pm_ops, .pcm = &ipc3_pcm_ops, .fw_loader = &ipc3_loader_ops, .fw_tracing = &ipc3_dtrace_ops, .tx_msg = sof_ipc3_tx_msg, .rx_msg = sof_ipc3_rx_msg, .set_get_data = sof_ipc3_set_get_data, .get_reply = sof_ipc3_get_reply, };