diff options
Diffstat (limited to 'sound/soc/sof/ipc.c')
-rw-r--r-- | sound/soc/sof/ipc.c | 969 |
1 files changed, 60 insertions, 909 deletions
diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c index 5f5753608c79..c5aef5fc056b 100644 --- a/sound/soc/sof/ipc.c +++ b/sound/soc/sof/ipc.c @@ -17,294 +17,35 @@ #include "sof-priv.h" #include "sof-audio.h" #include "ops.h" -#include "ipc3-ops.h" -typedef void (*ipc_rx_callback)(struct snd_sof_dev *sdev, void *msg_buf); - -static void ipc_trace_message(struct snd_sof_dev *sdev, void *msg_buf); -static void ipc_stream_message(struct snd_sof_dev *sdev, void *msg_buf); - -/* - * IPC message Tx/Rx message handling. +/** + * sof_ipc_send_msg - generic function to prepare and send one IPC message + * @sdev: pointer to SOF core device struct + * @msg_data: pointer to a message to send + * @msg_bytes: number of bytes in the message + * @reply_bytes: number of bytes available for the reply. + * The buffer for the reply data is not passed to this + * function, the available size is an information for the + * reply handling functions. + * + * On success the function returns 0, otherwise negative error number. + * + * Note: higher level sdev->ipc->tx_mutex must be held to make sure that + * transfers are synchronized. */ - -struct sof_ipc_ctrl_data_params { - size_t msg_bytes; - size_t hdr_bytes; - size_t pl_size; - size_t elems; - u32 num_msg; - u8 *src; - u8 *dst; -}; - -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC) -static void ipc_log_header(struct device *dev, u8 *text, u32 cmd) -{ - u8 *str; - u8 *str2 = NULL; - u32 glb; - u32 type; - bool vdbg = 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: - vdbg = 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: - 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 (vdbg) - dev_vdbg(dev, "%s: 0x%x: %s: %s\n", text, cmd, str, str2); - 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 ipc_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 - -/* wait for IPC message reply */ -static int tx_wait_done(struct snd_sof_ipc *ipc, struct snd_sof_ipc_msg *msg, - void *reply_data) -{ - struct snd_sof_dev *sdev = ipc->sdev; - struct sof_ipc_cmd_hdr *hdr = msg->msg_data; - 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); - 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 { - ipc_log_header(sdev->dev, "ipc tx succeeded", hdr->cmd); - if (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 sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, - void *msg_data, size_t msg_bytes, - void *reply_data, size_t reply_bytes) +int sof_ipc_send_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes, + size_t reply_bytes) { - struct sof_ipc_cmd_hdr *hdr = msg_data; - struct snd_sof_dev *sdev = ipc->sdev; + struct snd_sof_ipc *ipc = sdev->ipc; struct snd_sof_ipc_msg *msg; int ret; - if (!msg_data || msg_bytes < sizeof(*hdr)) { - dev_err_ratelimited(sdev->dev, "No IPC message to send\n"); - return -EINVAL; - } - if (ipc->disable_ipc_tx || sdev->fw_state != SOF_FW_BOOT_COMPLETE) return -ENODEV; /* - * The spin-lock is also still needed to protect message objects against - * other atomic contexts. + * The spin-lock is needed to protect message objects against other + * atomic contexts. */ spin_lock_irq(&sdev->ipc_lock); @@ -327,38 +68,19 @@ static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, spin_unlock_irq(&sdev->ipc_lock); - if (ret) { - dev_err_ratelimited(sdev->dev, - "error: ipc tx failed with error %d\n", - ret); - return ret; - } - - ipc_log_header(sdev->dev, "ipc tx", hdr->cmd); - - /* now wait for completion */ - return tx_wait_done(ipc, msg, reply_data); + return ret; } /* send IPC message from host to DSP */ -int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header, - void *msg_data, size_t msg_bytes, void *reply_data, - size_t reply_bytes) +int sof_ipc_tx_message(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes, + void *reply_data, size_t reply_bytes) { - const struct sof_dsp_power_state target_state = { - .state = SOF_DSP_PM_D0, - }; - int ret; - - /* ensure the DSP is in D0 before sending a new IPC */ - ret = snd_sof_dsp_set_power_state(ipc->sdev, &target_state); - if (ret < 0) { - dev_err(ipc->sdev->dev, "error: resuming DSP %d\n", ret); - return ret; - } + if (msg_bytes > ipc->max_payload_size || + reply_bytes > ipc->max_payload_size) + return -ENOBUFS; - return sof_ipc_tx_message_no_pm(ipc, header, msg_data, msg_bytes, - reply_data, reply_bytes); + return ipc->ops->tx_msg(ipc->sdev, msg_data, msg_bytes, reply_data, + reply_bytes, false); } EXPORT_SYMBOL(sof_ipc_tx_message); @@ -367,86 +89,32 @@ EXPORT_SYMBOL(sof_ipc_tx_message); * This will be used for IPC's that can be handled by the DSP * even in a low-power D0 substate. */ -int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, u32 header, - void *msg_data, size_t msg_bytes, +int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes, void *reply_data, size_t reply_bytes) { - int ret; - - if (msg_bytes > SOF_IPC_MSG_MAX_SIZE || - reply_bytes > SOF_IPC_MSG_MAX_SIZE) + if (msg_bytes > ipc->max_payload_size || + reply_bytes > ipc->max_payload_size) return -ENOBUFS; - /* Serialise IPC TX */ - mutex_lock(&ipc->tx_mutex); - - ret = sof_ipc_tx_message_unlocked(ipc, msg_data, msg_bytes, - reply_data, reply_bytes); - - mutex_unlock(&ipc->tx_mutex); - - return ret; + return ipc->ops->tx_msg(ipc->sdev, msg_data, msg_bytes, reply_data, + reply_bytes, true); } EXPORT_SYMBOL(sof_ipc_tx_message_no_pm); /* Generic helper function to retrieve the reply */ void snd_sof_ipc_get_reply(struct snd_sof_dev *sdev) { - struct snd_sof_ipc_msg *msg = sdev->msg; - struct sof_ipc_reply reply; - int ret = 0; - /* * Sometimes, there is unexpected reply ipc arriving. The reply * ipc belongs to none of the ipcs sent from driver. * In this case, the driver must ignore the ipc. */ - if (!msg) { + if (!sdev->msg) { dev_warn(sdev->dev, "unexpected ipc interrupt raised!\n"); return; } - /* get the generic reply */ - snd_sof_dsp_mailbox_read(sdev, sdev->host_box.offset, &reply, - sizeof(reply)); - - if (reply.error < 0) { - memcpy(msg->reply_data, &reply, sizeof(reply)); - ret = reply.error; - } else 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"); - - ret = -EINVAL; - } else 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 */ - if (!ret) - snd_sof_dsp_mailbox_read(sdev, sdev->host_box.offset, - msg->reply_data, msg->reply_size); - } - - msg->reply_error = ret; + sdev->msg->reply_error = sdev->ipc->ops->get_reply(sdev); } EXPORT_SYMBOL(snd_sof_ipc_get_reply); @@ -468,550 +136,11 @@ void snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id) } EXPORT_SYMBOL(snd_sof_ipc_reply); -static void ipc_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, "error: unhandled component message %#x\n", msg_type); - return; - } - - if (tplg_ops->control->update) - tplg_ops->control->update(sdev, msg_buf); -} - -/* DSP firmware has sent host a message */ -void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev) -{ - ipc_rx_callback rx_callback = NULL; - struct sof_ipc_cmd_hdr hdr; - void *msg_buf; - u32 cmd; - 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)) { - dev_err(sdev->dev, "The received message size is invalid\n"); - return; - } - - ipc_log_header(sdev->dev, "ipc rx", hdr.cmd); - - cmd = hdr.cmd & SOF_GLB_TYPE_MASK; - - /* check message type */ - switch (cmd) { - case SOF_IPC_GLB_REPLY: - dev_err(sdev->dev, "error: 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 = sof_ops(sdev)->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 = ipc_comp_notification; - break; - case SOF_IPC_GLB_STREAM_MSG: - rx_callback = ipc_stream_message; - break; - case SOF_IPC_GLB_TRACE_MSG: - rx_callback = ipc_trace_message; - break; - default: - dev_err(sdev->dev, "%s: Unknown DSP message: 0x%x\n", __func__, cmd); - break; - } - - /* 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); - } else { - /* 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); - } - - kfree(msg_buf); - - ipc_log_header(sdev->dev, "ipc rx done", hdr.cmd); -} -EXPORT_SYMBOL(snd_sof_ipc_msgs_rx); - -/* - * IPC trace mechanism. - */ - -static void ipc_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: - snd_sof_trace_update_pos(sdev, msg_buf); - break; - default: - dev_err(sdev->dev, "error: unhandled trace message %#x\n", msg_type); - break; - } -} - -/* - * IPC stream position. - */ - -static void ipc_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, - "error: period elapsed for unknown stream, msg_id %d\n", - msg_id); - return; - } - - stream = &spcm->stream[direction]; - ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn)); - if (ret < 0) { - dev_warn(sdev->dev, "failed to read stream position: %d\n", ret); - return; - } - - dev_vdbg(sdev->dev, "posn : host 0x%llx dai 0x%llx wall 0x%llx\n", - posn.host_posn, posn.dai_posn, posn.wallclock); - - 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 ipc_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, "error: XRUN for unknown stream, msg_id %d\n", - msg_id); - return; - } - - stream = &spcm->stream[direction]; - ret = snd_sof_ipc_msg_data(sdev, stream->substream, &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 DSP FW */ -static void ipc_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: - ipc_period_elapsed(sdev, msg_id); - break; - case SOF_IPC_STREAM_TRIG_XRUN: - ipc_xrun(sdev, msg_id); - break; - default: - dev_err(sdev->dev, "error: unhandled stream message %#x\n", - msg_id); - break; - } -} - -/* get stream position IPC - use faster MMIO method if available on platform */ -int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp, - struct snd_sof_pcm *spcm, int direction, - struct sof_ipc_stream_posn *posn) -{ - struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); - struct sof_ipc_stream stream; - int err; - - /* read position via slower IPC */ - stream.hdr.size = sizeof(stream); - stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_POSITION; - stream.comp_id = spcm->stream[direction].comp_id; - - /* send IPC to the DSP */ - err = sof_ipc_tx_message(sdev->ipc, - stream.hdr.cmd, &stream, sizeof(stream), posn, - sizeof(*posn)); - if (err < 0) { - dev_err(sdev->dev, "error: failed to get stream %d position\n", - stream.comp_id); - return err; - } - - return 0; -} -EXPORT_SYMBOL(snd_sof_ipc_stream_posn); - -static int sof_get_ctrl_copy_params(enum sof_ipc_ctrl_type ctrl_type, - struct sof_ipc_ctrl_data *src, - struct sof_ipc_ctrl_data *dst, - struct sof_ipc_ctrl_data_params *sparams) -{ - switch (ctrl_type) { - case SOF_CTRL_TYPE_VALUE_CHAN_GET: - case SOF_CTRL_TYPE_VALUE_CHAN_SET: - sparams->src = (u8 *)src->chanv; - sparams->dst = (u8 *)dst->chanv; - break; - case SOF_CTRL_TYPE_DATA_GET: - case SOF_CTRL_TYPE_DATA_SET: - sparams->src = (u8 *)src->data->data; - sparams->dst = (u8 *)dst->data->data; - break; - default: - return -EINVAL; - } - - /* calculate payload size and number of messages */ - sparams->pl_size = SOF_IPC_MSG_MAX_SIZE - sparams->hdr_bytes; - sparams->num_msg = DIV_ROUND_UP(sparams->msg_bytes, sparams->pl_size); - - return 0; -} - -static int sof_set_get_large_ctrl_data(struct snd_sof_dev *sdev, - struct sof_ipc_ctrl_data *cdata, - struct sof_ipc_ctrl_data_params *sparams, - bool set) -{ - struct sof_ipc_ctrl_data *partdata; - size_t send_bytes; - size_t offset = 0; - size_t msg_bytes; - size_t pl_size; - int err; - int i; - - /* allocate max ipc size because we have at least one */ - partdata = kzalloc(SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL); - if (!partdata) - return -ENOMEM; - - if (set) - err = sof_get_ctrl_copy_params(cdata->type, cdata, partdata, - sparams); - else - err = sof_get_ctrl_copy_params(cdata->type, partdata, cdata, - sparams); - if (err < 0) { - kfree(partdata); - return err; - } - - msg_bytes = sparams->msg_bytes; - pl_size = sparams->pl_size; - - /* copy the header data */ - memcpy(partdata, cdata, sparams->hdr_bytes); - - /* Serialise IPC TX */ - mutex_lock(&sdev->ipc->tx_mutex); - - /* copy the payload data in a loop */ - for (i = 0; i < sparams->num_msg; i++) { - send_bytes = min(msg_bytes, pl_size); - partdata->num_elems = send_bytes; - partdata->rhdr.hdr.size = sparams->hdr_bytes + send_bytes; - partdata->msg_index = i; - msg_bytes -= send_bytes; - partdata->elems_remaining = msg_bytes; - - if (set) - memcpy(sparams->dst, sparams->src + offset, send_bytes); - - err = sof_ipc_tx_message_unlocked(sdev->ipc, - partdata, - partdata->rhdr.hdr.size, - partdata, - partdata->rhdr.hdr.size); - if (err < 0) - break; - - if (!set) - memcpy(sparams->dst + offset, sparams->src, send_bytes); - - offset += pl_size; - } - - mutex_unlock(&sdev->ipc->tx_mutex); - - kfree(partdata); - return err; -} - -/* - * IPC get()/set() for kcontrols. - */ -int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol, bool set) -{ - struct snd_soc_component *scomp = scontrol->scomp; - struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data; - struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); - struct sof_ipc_fw_ready *ready = &sdev->fw_ready; - struct sof_ipc_fw_version *v = &ready->version; - struct sof_ipc_ctrl_data_params sparams; - enum sof_ipc_ctrl_type ctrl_type; - struct snd_sof_widget *swidget; - bool widget_found = false; - size_t send_bytes; - u32 ipc_cmd; - int err; - - list_for_each_entry(swidget, &sdev->widget_list, list) { - if (swidget->comp_id == scontrol->comp_id) { - widget_found = true; - break; - } - } - - if (!widget_found) { - dev_err(sdev->dev, "error: can't find widget with id %d\n", scontrol->comp_id); - return -EINVAL; - } - - /* - * Volatile controls should always be part of static pipelines and the widget use_count - * would always be > 0 in this case. For the others, just return the cached value if the - * widget is not set up. - */ - if (!swidget->use_count) - return 0; - - /* read or write firmware volume */ - if (scontrol->readback_offset != 0) { - /* write/read value header via mmaped region */ - send_bytes = sizeof(struct sof_ipc_ctrl_value_chan) * - cdata->num_elems; - if (set) - err = snd_sof_dsp_block_write(sdev, SOF_FW_BLK_TYPE_IRAM, - scontrol->readback_offset, - cdata->chanv, send_bytes); - - else - err = snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_IRAM, - scontrol->readback_offset, - cdata->chanv, send_bytes); - - if (err) - dev_err_once(sdev->dev, "error: %s TYPE_IRAM failed\n", - set ? "write to" : "read from"); - return err; - } - - /* - * Select the IPC cmd and the ctrl_type based on the ctrl_cmd and the - * direction - * Note: SOF_CTRL_TYPE_VALUE_COMP_* is not used and supported currently - * for ctrl_type - */ - if (cdata->cmd == SOF_CTRL_CMD_BINARY) { - ipc_cmd = set ? SOF_IPC_COMP_SET_DATA : SOF_IPC_COMP_GET_DATA; - ctrl_type = set ? SOF_CTRL_TYPE_DATA_SET : SOF_CTRL_TYPE_DATA_GET; - } else { - ipc_cmd = set ? SOF_IPC_COMP_SET_VALUE : SOF_IPC_COMP_GET_VALUE; - ctrl_type = set ? SOF_CTRL_TYPE_VALUE_CHAN_SET : SOF_CTRL_TYPE_VALUE_CHAN_GET; - } - - cdata->rhdr.hdr.cmd = SOF_IPC_GLB_COMP_MSG | ipc_cmd; - cdata->type = ctrl_type; - cdata->comp_id = scontrol->comp_id; - cdata->msg_index = 0; - - /* calculate header and data size */ - switch (cdata->type) { - case SOF_CTRL_TYPE_VALUE_CHAN_GET: - case SOF_CTRL_TYPE_VALUE_CHAN_SET: - sparams.msg_bytes = scontrol->num_channels * - sizeof(struct sof_ipc_ctrl_value_chan); - sparams.hdr_bytes = sizeof(struct sof_ipc_ctrl_data); - sparams.elems = scontrol->num_channels; - break; - case SOF_CTRL_TYPE_DATA_GET: - case SOF_CTRL_TYPE_DATA_SET: - sparams.msg_bytes = cdata->data->size; - sparams.hdr_bytes = sizeof(struct sof_ipc_ctrl_data) + - sizeof(struct sof_abi_hdr); - sparams.elems = cdata->data->size; - break; - default: - return -EINVAL; - } - - cdata->rhdr.hdr.size = sparams.msg_bytes + sparams.hdr_bytes; - cdata->num_elems = sparams.elems; - cdata->elems_remaining = 0; - - /* send normal size ipc in one part */ - if (cdata->rhdr.hdr.size <= SOF_IPC_MSG_MAX_SIZE) { - err = sof_ipc_tx_message(sdev->ipc, cdata->rhdr.hdr.cmd, cdata, - cdata->rhdr.hdr.size, cdata, - cdata->rhdr.hdr.size); - - if (err < 0) - dev_err(sdev->dev, "error: set/get ctrl ipc comp %d\n", - cdata->comp_id); - - return err; - } - - /* data is bigger than max ipc size, chop into smaller pieces */ - dev_dbg(sdev->dev, "large ipc size %u, control size %u\n", - cdata->rhdr.hdr.size, scontrol->size); - - /* large messages is only supported from ABI 3.3.0 onwards */ - if (v->abi_version < SOF_ABI_VER(3, 3, 0)) { - dev_err(sdev->dev, "error: incompatible FW ABI version\n"); - return -EINVAL; - } - - err = sof_set_get_large_ctrl_data(sdev, cdata, &sparams, set); - - if (err < 0) - dev_err(sdev->dev, "error: set/get large ctrl ipc comp %d\n", - cdata->comp_id); - - return err; -} -EXPORT_SYMBOL(snd_sof_ipc_set_get_comp_data); - -int snd_sof_ipc_valid(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, "error: incompatible FW ABI version\n"); - return -EINVAL; - } - - if (SOF_ABI_VERSION_MINOR(v->abi_version) > SOF_ABI_MINOR) { - if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) { - dev_warn(sdev->dev, "warn: FW ABI is more recent than kernel\n"); - } else { - dev_err(sdev->dev, "error: 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; -} -EXPORT_SYMBOL(snd_sof_ipc_valid); - -int sof_ipc_init_msg_memory(struct snd_sof_dev *sdev) -{ - struct snd_sof_ipc_msg *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; - - return 0; -} - struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev) { struct snd_sof_ipc *ipc; struct snd_sof_ipc_msg *msg; + const struct sof_ipc_ops *ops; ipc = devm_kzalloc(sdev->dev, sizeof(*ipc), GFP_KERNEL); if (!ipc) @@ -1031,11 +160,33 @@ struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev) * versions, this will need to be modified to use the selected version at runtime. */ ipc->ops = &ipc3_ops; + ops = ipc->ops; /* check for mandatory ops */ - if (!ipc->ops->pcm || !ipc->ops->tplg || !ipc->ops->tplg->widget || - !ipc->ops->tplg->control) { - dev_err(sdev->dev, "Invalid IPC ops\n"); + if (!ops->tx_msg || !ops->rx_msg || !ops->set_get_data || !ops->get_reply) { + dev_err(sdev->dev, "Missing IPC message handling ops\n"); + return NULL; + } + + if (!ops->fw_loader || !ops->fw_loader->validate || + !ops->fw_loader->parse_ext_manifest) { + dev_err(sdev->dev, "Missing IPC firmware loading ops\n"); + return NULL; + } + + if (!ops->pcm) { + dev_err(sdev->dev, "Missing IPC PCM ops\n"); + return NULL; + } + + if (!ops->tplg || !ops->tplg->widget || !ops->tplg->control) { + dev_err(sdev->dev, "Missing IPC topology ops\n"); + return NULL; + } + + if (ops->fw_tracing && (!ops->fw_tracing->init || !ops->fw_tracing->suspend || + !ops->fw_tracing->resume)) { + dev_err(sdev->dev, "Missing firmware tracing ops\n"); return NULL; } |