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)
{
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
projects / platform / kernel / linux-rpi.git / commitdiff