The handling of fw_ready is IPC3 specific, move the needed code from the loader.c to ipc3.c and stop using the sof_ops(sdev)->fw_ready() callback.
Signed-off-by: Peter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Ajit Pandey ajitkumar.pandey@amd.com Reviewed-by: Daniel Baluta daniel.baluta@nxp.com --- sound/soc/sof/ipc3.c | 306 ++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 305 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/ipc3.c b/sound/soc/sof/ipc3.c index 8480a1b5733a..7d28bfa3d231 100644 --- a/sound/soc/sof/ipc3.c +++ b/sound/soc/sof/ipc3.c @@ -475,6 +475,310 @@ static int sof_ipc3_set_get_data(struct snd_sof_dev *sdev, void *data, size_t da return ret; }
+static 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; +} + +static 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_kmalloc(sdev->dev, cc->ext_hdr.hdr.size, + GFP_KERNEL); + + if (!sdev->cc_version) + return -ENOMEM; + + memcpy(sdev->cc_version, cc, cc->ext_hdr.hdr.size); + 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; +} + +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 = snd_sof_ipc_valid(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) { @@ -633,7 +937,7 @@ static void sof_ipc3_rx_msg(struct snd_sof_dev *sdev) 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); + err = ipc3_fw_ready(sdev, cmd); if (err < 0) sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED); else