ASoC: SOF: loader: Remove the old fw_ready related code

The fw_ready is handled internally to ipc3, we can remove the old code
from the loader.c along with the functions only used by the fw_ready()
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>
Link: https://lore.kernel.org/r/20220421080735.31698-7-peter.ujfalusi@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/ipc.c

@@ -188,21 +188,6 @@ int snd_sof_ipc_valid(struct snd_sof_dev *sdev)
 }
 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;
-
-	sdev->ipc->max_payload_size = SOF_IPC_MSG_MAX_SIZE;
-
-	return 0;
-}
-
 struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev)
 {
 	struct snd_sof_ipc *ipc;

sound/soc/sof/loader.c

@@ -86,69 +86,6 @@ static int get_cc_info(struct snd_sof_dev *sdev,
 	return 0;
 }
 
-/* parse the extended FW boot data structures from FW boot message */
-static int snd_sof_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 = get_ext_windows(sdev, ext_hdr);
-			break;
-		case SOF_IPC_EXT_CC_INFO:
-			ret = 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, "error: 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 int ext_man_get_fw_version(struct snd_sof_dev *sdev,
 				  const struct sof_ext_man_elem_header *hdr)
 {
@@ -358,170 +295,6 @@ static int snd_sof_fw_ext_man_parse(struct snd_sof_dev *sdev,
 	return ext_man_size;
 }
 
-/*
- * IPC Firmware ready.
- */
-static void sof_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, "error: have no window info\n");
-		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, "warn: 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, "error: get illegal window info\n");
-			return;
-		}
-	}
-
-	if (outbox_size == 0 || inbox_size == 0) {
-		dev_err(sdev->dev, "error: get illegal mailbox window\n");
-		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);
-}
-
-/* check for ABI compatibility and create memory windows on first boot */
-int sof_fw_ready(struct snd_sof_dev *sdev, u32 msg_id)
-{
-	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, "error: have no mailbox offset\n");
-		return offset;
-	}
-
-	dev_dbg(sdev->dev, "ipc: DSP is ready 0x%8.8x offset 0x%x\n",
-		msg_id, 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,
-			"error: 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 */
-	snd_sof_fw_parse_ext_data(sdev, offset + sizeof(struct sof_ipc_fw_ready));
-
-	sof_get_windows(sdev);
-
-	return sof_ipc_init_msg_memory(sdev);
-}
-EXPORT_SYMBOL(sof_fw_ready);
-
 /* generic module parser for mmaped DSPs */
 int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev,
 				struct snd_sof_mod_hdr *module)

sound/soc/sof/sof-priv.h

@@ -181,11 +181,6 @@ struct snd_sof_dsp_ops {
 	int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */
 	int (*load_module)(struct snd_sof_dev *sof_dev,
 			   struct snd_sof_mod_hdr *hdr); /* optional */
-	/*
-	 * FW ready checks for ABI compatibility and creates
-	 * memory windows at first boot
-	 */
-	int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* mandatory */
 
 	/* connect pcm substream to a host stream */
 	int (*pcm_open)(struct snd_sof_dev *sdev,
@@ -614,7 +609,7 @@ int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, void *msg_data, size_t msg
 			     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);
-int sof_ipc_init_msg_memory(struct snd_sof_dev *sdev);
+
 static inline void snd_sof_ipc_process_reply(struct snd_sof_dev *sdev, u32 msg_id)
 {
 	snd_sof_ipc_get_reply(sdev);
@@ -685,8 +680,6 @@ int sof_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
 int sof_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
 		   u32 offset, void *dest, size_t size);
 
-int sof_fw_ready(struct snd_sof_dev *sdev, u32 msg_id);
-
 int sof_ipc_msg_data(struct snd_sof_dev *sdev,
 		     struct snd_pcm_substream *substream,
 		     void *p, size_t sz);