[alsa-devel] [PATCH 5/8] ALSA: Update CA0132 codec to load DSP firmware binary

Ian Minett ian_minett at creativelabs.com
Fri Sep 14 03:15:55 CEST 2012


From: Ian Minett <ian_minett at creativelabs.com>

Signed-off-by: Ian Minett <ian_minett at creativelabs.com>

diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 8ea3348..11f5910 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -48,9 +48,6 @@
 #define WIDGET_CHIP_CTRL      0x15
 #define WIDGET_DSP_CTRL       0x16
 
-#define WUH_MEM_CONNID        10
-#define DSP_MEM_CONNID        16
-
 #define MEM_CONNID_MICIN1     3
 #define MEM_CONNID_MICIN2     5
 #define MEM_CONNID_MICOUT1    12
@@ -352,6 +349,25 @@ static int _add_volume(struct hda_codec *codec, hda_nid_t nid, const char *pfx,
 #define add_in_mono_volume(codec, nid, pfx, chan) \
 	_add_volume(codec, nid, pfx, chan, 1)
 
+enum dsp_download_state {
+	DSP_DOWNLOAD_FAILED = -1,
+	DSP_DOWNLOAD_INIT   = 0,
+	DSP_DOWNLOADING     = 1,
+	DSP_DOWNLOADED      = 2
+};
+
+struct hda_stream_format {
+	unsigned int   sample_rate;
+	unsigned short valid_bits_per_sample;
+	unsigned short container_size;
+	unsigned short number_channels;
+};
+
+/* retrieve parameters from hda format */
+#define get_hdafmt_chs(fmt)	(fmt & 0xf)
+#define get_hdafmt_bits(fmt)	((fmt >> 4) & 0x7)
+#define get_hdafmt_rate(fmt)	((fmt >> 8) & 0x7f)
+#define get_hdafmt_type(fmt)	((fmt >> 15) & 0x1)
 
 /*
  * CA0132 specific
@@ -371,11 +387,55 @@ struct ca0132_spec {
 	long curr_hp_switch;
 	long curr_hp_volume[2];
 	long curr_speaker_switch;
-	struct mutex chipio_mutex;
 	const char *input_labels[AUTO_PIN_LAST];
 	struct hda_pcm pcm_rec[2]; /* PCM information */
+
+	/* chip access */
+	struct mutex chipio_mutex; /* chip access mutex */
+	u32 curr_chip_addx;
+
+	/* DSP download related */
+	enum dsp_download_state dsp_state;
+	unsigned int dsp_stream_id;
+	unsigned int wait_scp;
+	unsigned int wait_scp_header;
+	unsigned int wait_num_data;
+	unsigned int scp_resp_header;
+	unsigned int scp_resp_data[4];
+	unsigned int scp_resp_count;
 };
 
+/*
+ * CA0132 codec access
+ */
+unsigned int codec_send_command(struct hda_codec *codec, hda_nid_t nid,
+		unsigned int verb, unsigned int parm, unsigned int *res)
+{
+	unsigned int response;
+	response = snd_hda_codec_read(codec, nid, 0, verb, parm);
+	*res = response;
+
+	return ((response == -1) ? -1 : 0);
+}
+
+static int codec_set_converter_format(struct hda_codec *codec, hda_nid_t nid,
+		unsigned short converter_format, unsigned int *res)
+{
+	return codec_send_command(codec, nid, VENDOR_CHIPIO_STREAM_FORMAT,
+				converter_format & 0xffff, res);
+}
+
+static int codec_set_converter_stream_channel(struct hda_codec *codec,
+				hda_nid_t nid, unsigned char stream,
+				unsigned char channel, unsigned int *res)
+{
+	unsigned char converter_stream_channel = 0;
+
+	converter_stream_channel = (stream << 4) | (channel & 0x0f);
+	return codec_send_command(codec, nid, AC_VERB_SET_CHANNEL_STREAMID,
+				converter_stream_channel, res);
+}
+
 /* Chip access helper function */
 static int chipio_send(struct hda_codec *codec,
 		       unsigned int reg,
@@ -415,6 +475,30 @@ static int chipio_write_address(struct hda_codec *codec,
 	return res;
 }
 
+static int chipio_write_addx(struct hda_codec *codec, u32 chip_addx)
+{
+	struct ca0132_spec *spec = codec->spec;
+	int status;
+
+	if (spec->curr_chip_addx == chip_addx)
+		return 0;
+
+	/* send low 16 bits of the address */
+	status = chipio_send(codec, VENDOR_CHIPIO_ADDRESS_LOW,
+			  chip_addx & 0xffff);
+
+	if (status < 0)
+		return status;
+
+	/* send high 16 bits of the address */
+	status = chipio_send(codec, VENDOR_CHIPIO_ADDRESS_HIGH,
+			  chip_addx >> 16);
+
+	spec->curr_chip_addx = (status < 0) ? ~0UL : chip_addx;
+
+	return status;
+}
+
 /*
  * Write data through the vendor widget -- NOT protected by the Mutex!
  */
@@ -435,6 +519,24 @@ static int chipio_write_data(struct hda_codec *codec, unsigned int data)
 	return res;
 }
 
+static int chipio_write_data_multiple(struct hda_codec *codec,
+				      const u32 *data,
+				      unsigned int count)
+{
+	int status = 0;
+
+	if (data == NULL) {
+		snd_printdd(KERN_ERR "chipio_write_data null ptr");
+		return -EINVAL;
+	}
+
+	while ((count-- != 0) && (status == 0))
+		status = chipio_write_data(codec, *data++);
+
+	return status;
+}
+
+
 /*
  * Read data through the vendor widget -- NOT protected by the Mutex!
  */
@@ -486,6 +588,26 @@ exit:
 	return err;
 }
 
+static int chipio_write_multiple(struct hda_codec *codec,
+				 u32 chip_addx,
+				 const u32 *data,
+				 unsigned int count)
+{
+	struct ca0132_spec *spec = codec->spec;
+	int status;
+
+	mutex_lock(&spec->chipio_mutex);
+	status = chipio_write_addx(codec, chip_addx);
+	if (status < 0)
+		goto error;
+
+	status = chipio_write_data_multiple(codec, data, count);
+error:
+	mutex_unlock(&spec->chipio_mutex);
+
+	return status;
+}
+
 /*
  * Read the given address through the chip I/O widget
  * protected by the Mutex
@@ -512,6 +634,1425 @@ exit:
 	return err;
 }
 
+static void chipio_set_control_flag(struct hda_codec *codec,
+				    enum control_flag_id flag_id,
+				    bool flag_state)
+{
+	unsigned int val;
+	unsigned int flag_bit;
+
+	flag_bit = (flag_state ? 1 : 0);
+	val = (flag_bit << 7) | (flag_id);
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_FLAG_SET, val);
+}
+
+static void chipio_set_control_param(struct hda_codec *codec,
+		enum control_param_id param_id, int param_val)
+{
+	struct ca0132_spec *spec = codec->spec;
+	int val;
+
+	if ((param_id < 32) && (param_val < 8)) {
+		val = (param_val << 5) | (param_id);
+		snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+				    VENDOR_CHIPIO_PARAM_SET, val);
+	} else {
+		mutex_lock(&spec->chipio_mutex);
+		if (chipio_send(codec, VENDOR_CHIPIO_STATUS, 0) == 0) {
+			snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+					    VENDOR_CHIPIO_PARAM_EX_ID_SET,
+					    param_id);
+			snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+					    VENDOR_CHIPIO_PARAM_EX_VALUE_SET,
+					    param_val);
+		}
+		mutex_unlock(&spec->chipio_mutex);
+	}
+}
+
+static void chipio_set_conn_rate(struct hda_codec *codec,
+				int connid, enum ca0132_sample_rate rate)
+{
+	chipio_set_control_param(codec, CONTROL_PARAM_CONN_POINT_ID, connid);
+	chipio_set_control_param(codec, CONTROL_PARAM_CONN_POINT_SAMPLE_RATE,
+				 rate);
+}
+
+static void chipio_enable_clocks(struct hda_codec *codec)
+{
+	struct ca0132_spec *spec = codec->spec;
+
+	mutex_lock(&spec->chipio_mutex);
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_8051_ADDRESS_LOW, 0);
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_PLL_PMU_WRITE, 0xff);
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_8051_ADDRESS_LOW, 5);
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_PLL_PMU_WRITE, 0x0b);
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_8051_ADDRESS_LOW, 6);
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_PLL_PMU_WRITE, 0xff);
+	mutex_unlock(&spec->chipio_mutex);
+}
+
+/*
+ * CA0132 DSP IO stuffs
+ */
+static int dspio_send(struct hda_codec *codec, unsigned int reg,
+		      unsigned int data)
+{
+	unsigned int res;
+	int retry = 50;
+
+	/* send bits of data specified by reg to dsp */
+	do {
+		res = snd_hda_codec_read(codec, WIDGET_DSP_CTRL, 0, reg, data);
+		if ((res >= 0) && (res != VENDOR_STATUS_DSPIO_BUSY))
+			return res;
+	} while (--retry);
+
+	return -EIO;
+}
+
+static void dspio_write_wait(struct hda_codec *codec)
+{
+	int cur_val, prv_val;
+	int retry = 50;
+
+	cur_val = 0;
+	do {
+		prv_val = cur_val;
+		msleep(20);
+		dspio_send(codec, VENDOR_DSPIO_SCP_POST_COUNT_QUERY, 1);
+		dspio_send(codec, VENDOR_DSPIO_STATUS, 0);
+		cur_val = snd_hda_codec_read(codec, WIDGET_DSP_CTRL, 0,
+					   VENDOR_DSPIO_SCP_READ_COUNT, 0);
+	} while (cur_val && (cur_val == prv_val) && --retry);
+}
+
+static int dspio_write(struct hda_codec *codec, unsigned int scp_data)
+{
+	struct ca0132_spec *spec = codec->spec;
+	int status;
+
+	dspio_write_wait(codec);
+
+	mutex_lock(&spec->chipio_mutex);
+	status = dspio_send(codec, VENDOR_DSPIO_SCP_WRITE_DATA_LOW,
+			    scp_data & 0xffff);
+	if (status < 0)
+		goto error;
+
+	status = dspio_send(codec, VENDOR_DSPIO_SCP_WRITE_DATA_HIGH,
+				    scp_data >> 16);
+	if (status < 0)
+		goto error;
+
+	/* OK, now check if the write itself has executed*/
+	status = snd_hda_codec_read(codec, WIDGET_DSP_CTRL, 0,
+				    VENDOR_DSPIO_STATUS, 0);
+error:
+	mutex_unlock(&spec->chipio_mutex);
+
+	return (status == VENDOR_STATUS_DSPIO_SCP_COMMAND_QUEUE_FULL) ?
+			-EIO : 0;
+}
+
+static int dspio_write_multiple(struct hda_codec *codec,
+				unsigned int *buffer, unsigned int size)
+{
+	int status = 0;
+	unsigned int count;
+
+	if ((buffer == NULL))
+		return -EINVAL;
+
+	count = 0;
+	while (count < size) {
+		status = dspio_write(codec, *buffer++);
+		if (status != 0)
+			break;
+		count++;
+	}
+
+	return status;
+}
+
+static inline unsigned int
+make_scp_header(unsigned int target_id, unsigned int source_id,
+		unsigned int get_flag, unsigned int req,
+		unsigned int device_flag, unsigned int resp_flag,
+		unsigned int error_flag, unsigned int data_size)
+{
+	unsigned int header = 0;
+
+	header = (data_size & 0x1f) << 27;
+	header |= (error_flag & 0x01) << 26;
+	header |= (resp_flag & 0x01) << 25;
+	header |= (device_flag & 0x01) << 24;
+	header |= (req & 0x7f) << 17;
+	header |= (get_flag & 0x01) << 16;
+	header |= (source_id & 0xff) << 8;
+	header |= target_id & 0xff;
+
+	return header;
+}
+
+static inline void
+extract_scp_header(unsigned int header,
+		   unsigned int *target_id, unsigned int *source_id,
+		   unsigned int *get_flag, unsigned int *req,
+		   unsigned int *device_flag, unsigned int *resp_flag,
+		   unsigned int *error_flag, unsigned int *data_size)
+{
+	if (data_size)
+		*data_size = (header >> 27) & 0x1f;
+	if (error_flag)
+		*error_flag = (header >> 26) & 0x01;
+	if (resp_flag)
+		*resp_flag = (header >> 25) & 0x01;
+	if (device_flag)
+		*device_flag = (header >> 24) & 0x01;
+	if (req)
+		*req = (header >> 17) & 0x7f;
+	if (get_flag)
+		*get_flag = (header >> 16) & 0x01;
+	if (source_id)
+		*source_id = (header >> 8) & 0xff;
+	if (target_id)
+		*target_id = header & 0xff;
+}
+
+#define SCP_MAX_DATA_WORDS  (16)
+
+/* Structure to contain any SCP message */
+struct scp_msg {
+	unsigned int hdr;
+	unsigned int data[SCP_MAX_DATA_WORDS];
+};
+
+static int dspio_send_scp_message(struct hda_codec *codec,
+				  unsigned char *send_buf,
+				  unsigned int send_buf_size,
+				  unsigned char *return_buf,
+				  unsigned int return_buf_size,
+				  unsigned int *bytes_returned)
+{
+	struct ca0132_spec *spec = codec->spec;
+	int retry;
+	int status = -1;
+	unsigned int scp_send_size = 0;
+	unsigned int total_size;
+	bool waiting_for_resp = false;
+	unsigned int header;
+	struct scp_msg *ret_msg;
+	unsigned int resp_src_id, resp_target_id;
+	unsigned int data_size, src_id, target_id, get_flag, device_flag;
+
+	if (bytes_returned)
+		*bytes_returned = 0;
+
+	/* get scp header from buffer */
+	header = *((unsigned int *)send_buf);
+	extract_scp_header(header, &target_id, &src_id, &get_flag, NULL,
+			   &device_flag, NULL, NULL, &data_size);
+	scp_send_size = data_size + 1;
+	total_size = (scp_send_size * 4);
+
+	if (send_buf_size < total_size)
+		return -EINVAL;
+
+	if (get_flag || device_flag) {
+		if (!return_buf || return_buf_size < 4 || !bytes_returned)
+			return -EINVAL;
+
+		spec->wait_scp_header = *((unsigned int *)send_buf);
+
+		/* swap source id with target id */
+		resp_target_id = src_id;
+		resp_src_id = target_id;
+		spec->wait_scp_header &= 0xffff0000;
+		spec->wait_scp_header |= (resp_src_id << 8) | (resp_target_id);
+		spec->wait_num_data = return_buf_size/sizeof(unsigned int) - 1;
+		spec->wait_scp = 1;
+		waiting_for_resp = true;
+	}
+
+	status = dspio_write_multiple(codec, (unsigned int *)send_buf,
+				      scp_send_size);
+	if (status < 0) {
+		spec->wait_scp = 0;
+		return status;
+	}
+
+	if (waiting_for_resp) {
+		memset(return_buf, 0, return_buf_size);
+		retry = 50;
+		do {
+			msleep(20);
+		} while (spec->wait_scp && (--retry != 0));
+		waiting_for_resp = false;
+		if (retry != 0) {
+			ret_msg = (struct scp_msg *)return_buf;
+			memcpy(&ret_msg->hdr, &spec->scp_resp_header, 4);
+			memcpy(&ret_msg->data, spec->scp_resp_data,
+			       spec->wait_num_data);
+			*bytes_returned = (spec->scp_resp_count + 1) * 4;
+			status = 0;
+		} else {
+			status = -EIO;
+		}
+		spec->wait_scp = 0;
+	}
+
+	return status;
+}
+
+static int dspio_scp(struct hda_codec *codec,
+		int mod_id, int req, int dir, void *data, unsigned int len,
+		void *reply, unsigned int *reply_len)
+{
+	int status = 0;
+	struct scp_msg scp_send, scp_reply;
+	unsigned int ret_bytes, send_size, ret_size;
+	unsigned int send_get_flag, reply_resp_flag, reply_error_flag;
+	unsigned int reply_data_size;
+
+	memset(&scp_send, 0, sizeof(scp_send));
+	memset(&scp_reply, 0, sizeof(scp_reply));
+
+	if ((len != 0 && data == NULL) || (len > SCP_MAX_DATA_WORDS))
+		return -EINVAL;
+
+	if (dir == SCP_GET && reply == NULL) {
+		snd_printdd(KERN_ERR "dspio_scp get but has no buffer");
+		return -EINVAL;
+	}
+
+	if (reply != NULL && (reply_len == NULL || (*reply_len == 0))) {
+		snd_printdd(KERN_ERR "dspio_scp bad resp buf len parms");
+		return -EINVAL;
+	}
+
+	scp_send.hdr = make_scp_header(mod_id, 0x20, (dir == SCP_GET), req,
+				       0, 0, 0, len/sizeof(unsigned int));
+	if (data != NULL && len > 0) {
+		len = min((unsigned int)(sizeof(scp_send.data)), len);
+		memcpy(scp_send.data, data, len);
+	}
+
+	ret_bytes = 0;
+	send_size = sizeof(unsigned int) + len;
+	status = dspio_send_scp_message(codec, (unsigned char *)&scp_send,
+					send_size, (unsigned char *)&scp_reply,
+					sizeof(scp_reply), &ret_bytes);
+
+	if (status < 0) {
+		snd_printdd(KERN_ERR "dspio_scp: send scp msg failed");
+		return status;
+	}
+
+	/* extract send and reply headers members */
+	extract_scp_header(scp_send.hdr, NULL, NULL, &send_get_flag,
+			   NULL, NULL, NULL, NULL, NULL);
+	extract_scp_header(scp_reply.hdr, NULL, NULL, NULL, NULL, NULL,
+			   &reply_resp_flag, &reply_error_flag,
+			   &reply_data_size);
+
+	if (!send_get_flag)
+		return 0;
+
+	if (reply_resp_flag && !reply_error_flag) {
+		ret_size = (ret_bytes - sizeof(scp_reply.hdr))
+					/ sizeof(unsigned int);
+
+		if (*reply_len < ret_size*sizeof(unsigned int)) {
+			snd_printdd(KERN_ERR "reply too long for buf");
+			return -EINVAL;
+		} else if (ret_size != reply_data_size) {
+			snd_printdd(KERN_ERR "RetLen and HdrLen .NE.");
+			return -EINVAL;
+		} else {
+			*reply_len = ret_size*sizeof(unsigned int);
+			memcpy(reply, scp_reply.data, *reply_len);
+		}
+	} else {
+		snd_printdd(KERN_ERR "reply ill-formed or errflag set");
+		return -EIO;
+	}
+
+	return status;
+}
+
+static int dspio_alloc_dma_chan(struct hda_codec *codec, unsigned int *dma_chan)
+{
+	int status = 0;
+	unsigned int size = sizeof(dma_chan);
+
+	snd_printdd(KERN_INFO "     dspio_alloc_dma_chan() -- begin");
+	status = dspio_scp(codec, MASTERCONTROL, MASTERCONTROL_ALLOC_DMA_CHAN,
+			SCP_GET, NULL, 0, dma_chan, &size);
+
+	if (status < 0) {
+		snd_printdd(KERN_INFO "dspio_alloc_dma_chan: SCP Failed");
+		return status;
+	}
+
+	if ((*dma_chan + 1) == 0) {
+		snd_printdd(KERN_INFO "no free dma channels to allocate");
+		return -EBUSY;
+	}
+
+	snd_printdd("dspio_alloc_dma_chan: chan=%d\n", *dma_chan);
+	snd_printdd(KERN_INFO "     dspio_alloc_dma_chan() -- complete");
+
+	return status;
+}
+
+static int dspio_free_dma_chan(struct hda_codec *codec, unsigned int dma_chan)
+{
+	int status = 0;
+	unsigned int dummy = 0;
+
+	snd_printdd(KERN_INFO "     dspio_free_dma_chan() -- begin");
+	snd_printdd("dspio_free_dma_chan: chan=%d\n", dma_chan);
+
+	status = dspio_scp(codec, MASTERCONTROL, MASTERCONTROL_ALLOC_DMA_CHAN,
+			   SCP_SET, &dma_chan, sizeof(dma_chan), NULL, &dummy);
+
+	if (status < 0) {
+		snd_printdd(KERN_INFO "dspio_free_dma_chan: SCP Failed");
+		return status;
+	}
+
+	snd_printdd(KERN_INFO "     dspio_free_dma_chan() -- complete");
+
+	return status;
+}
+
+/*
+ * CA0132 DSP access stuffs
+ */
+static int dsp_set_run_state(struct hda_codec *codec)
+{
+	unsigned int dbg_ctrl_reg;
+	unsigned int halt_state;
+	int err;
+
+	err = chipio_read(codec, DSP_DBGCNTL_INST_OFFSET, &dbg_ctrl_reg);
+	if (err < 0)
+		return err;
+
+	halt_state = (dbg_ctrl_reg & DSP_DBGCNTL_STATE_MASK) >>
+		      DSP_DBGCNTL_STATE_LOBIT;
+
+	if (halt_state != 0) {
+		dbg_ctrl_reg &= ~((halt_state << DSP_DBGCNTL_SS_LOBIT) &
+				  DSP_DBGCNTL_SS_MASK);
+		err = chipio_write(codec, DSP_DBGCNTL_INST_OFFSET,
+				   dbg_ctrl_reg);
+		if (err < 0)
+			return err;
+
+		dbg_ctrl_reg |= (halt_state << DSP_DBGCNTL_EXEC_LOBIT) &
+				DSP_DBGCNTL_EXEC_MASK;
+		err = chipio_write(codec, DSP_DBGCNTL_INST_OFFSET,
+				   dbg_ctrl_reg);
+		if (err < 0)
+			return err;
+	}
+
+	return 0;
+}
+
+static int dsp_reset(struct hda_codec *codec)
+{
+	unsigned int res;
+	int retry = 20;
+
+	snd_printdd("dsp_reset\n");
+	do {
+		res = dspio_send(codec, VENDOR_DSPIO_DSP_INIT, 0);
+		retry--;
+	} while (res == -EIO && retry);
+
+	if (!retry) {
+		snd_printdd("dsp_reset timeout\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static unsigned int dsp_chip_to_dsp_addx(unsigned int chip_addx,
+					bool *code, bool *yram)
+{
+	*code = *yram = false;
+
+	if (UC_RANGE(chip_addx, 1)) {
+		*code = true;
+		return UC_OFF(chip_addx);
+	} else if (X_RANGE_ALL(chip_addx, 1)) {
+		return X_OFF(chip_addx);
+	} else if (Y_RANGE_ALL(chip_addx, 1)) {
+		*yram = true;
+		return Y_OFF(chip_addx);
+	}
+
+	return (unsigned int)INVALID_CHIP_ADDRESS;
+}
+
+static bool dsp_is_dma_active(struct hda_codec *codec, unsigned int dma_chan)
+{
+	unsigned int dma_chnlstart_reg;
+
+	chipio_read(codec, DSPDMAC_CHNLSTART_INST_OFFSET, &dma_chnlstart_reg);
+
+	return ((dma_chnlstart_reg & (1 <<
+			(DSPDMAC_CHNLSTART_EN_LOBIT + dma_chan))) != 0);
+}
+
+static int dsp_dma_setup_common(struct hda_codec *codec,
+				unsigned int chip_addx,
+				unsigned int dma_chan,
+				unsigned int port_map_mask,
+				bool ovly)
+{
+	int status = 0;
+	unsigned int chnl_prop;
+	unsigned int dsp_addx;
+	unsigned int active;
+	bool code, yram;
+
+	snd_printdd(KERN_INFO "-- dsp_dma_setup_common() -- Begin ---------");
+
+	if (dma_chan >= DSPDMAC_DMA_CFG_CHANNEL_COUNT) {
+		snd_printdd(KERN_ERR "dma chan num invalid");
+		return -EINVAL;
+	}
+
+	if (dsp_is_dma_active(codec, dma_chan)) {
+		snd_printdd(KERN_ERR "dma already active");
+		return -EBUSY;
+	}
+
+	dsp_addx = dsp_chip_to_dsp_addx(chip_addx, &code, &yram);
+
+	if (dsp_addx == INVALID_CHIP_ADDRESS) {
+		snd_printdd(KERN_ERR "invalid chip addr");
+		return -ENXIO;
+	}
+
+	chnl_prop = DSPDMAC_CHNLPROP_AC_MASK;
+	active = 0;
+
+	snd_printdd(KERN_INFO "   dsp_dma_setup_common()    start reg pgm");
+
+	if (ovly) {
+		status = chipio_read(codec, DSPDMAC_CHNLPROP_INST_OFFSET,
+				     &chnl_prop);
+
+		if (status < 0) {
+			snd_printdd(KERN_ERR "read CHNLPROP Reg fail");
+			return status;
+		}
+		snd_printdd(KERN_INFO "dsp_dma_setup_common() Read CHNLPROP");
+	}
+
+	if (!code)
+		chnl_prop &= ~(1 << (DSPDMAC_CHNLPROP_MSPCE_LOBIT + dma_chan));
+	else
+		chnl_prop |=  (1 << (DSPDMAC_CHNLPROP_MSPCE_LOBIT + dma_chan));
+
+	chnl_prop &= ~(1 << (DSPDMAC_CHNLPROP_DCON_LOBIT + dma_chan));
+
+	status = chipio_write(codec, DSPDMAC_CHNLPROP_INST_OFFSET, chnl_prop);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "write CHNLPROP Reg fail");
+		return status;
+	}
+	snd_printdd(KERN_INFO "   dsp_dma_setup_common()    Write CHNLPROP");
+
+	if (ovly) {
+		status = chipio_read(codec, DSPDMAC_ACTIVE_INST_OFFSET,
+				     &active);
+
+		if (status < 0) {
+			snd_printdd(KERN_ERR "read ACTIVE Reg fail");
+			return status;
+		}
+		snd_printdd(KERN_INFO "dsp_dma_setup_common() Read ACTIVE");
+	}
+
+	active &= (~(1 << (DSPDMAC_ACTIVE_AAR_LOBIT + dma_chan))) &
+		DSPDMAC_ACTIVE_AAR_MASK;
+
+	status = chipio_write(codec, DSPDMAC_ACTIVE_INST_OFFSET, active);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "write ACTIVE Reg fail");
+		return status;
+	}
+
+	snd_printdd(KERN_INFO "   dsp_dma_setup_common()    Write ACTIVE");
+
+	status = chipio_write(codec, DSPDMAC_AUDCHSEL_INST_OFFSET(dma_chan),
+			      port_map_mask);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "write AUDCHSEL Reg fail");
+		return status;
+	}
+	snd_printdd(KERN_INFO "   dsp_dma_setup_common()    Write AUDCHSEL");
+
+	status = chipio_write(codec, DSPDMAC_IRQCNT_INST_OFFSET(dma_chan),
+			DSPDMAC_IRQCNT_BICNT_MASK | DSPDMAC_IRQCNT_CICNT_MASK);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "write IRQCNT Reg fail");
+		return status;
+	}
+	snd_printdd(KERN_INFO "   dsp_dma_setup_common()    Write IRQCNT");
+
+	snd_printdd(
+		   "ChipA=0x%x,DspA=0x%x,dmaCh=%u, "
+		   "CHSEL=0x%x,CHPROP=0x%x,Active=0x%x\n",
+		   chip_addx, dsp_addx, dma_chan,
+		   port_map_mask, chnl_prop, active);
+
+	snd_printdd(KERN_INFO "-- dsp_dma_setup_common() -- Complete ------");
+
+	return 0;
+}
+
+static int dsp_dma_setup(struct hda_codec *codec,
+			unsigned int chip_addx,
+			unsigned int count,
+			unsigned int dma_chan)
+{
+	int status = 0;
+	bool code, yram;
+	unsigned int dsp_addx;
+	unsigned int addr_field;
+	unsigned int incr_field;
+	unsigned int base_cnt;
+	unsigned int cur_cnt;
+	unsigned int dma_cfg = 0;
+	unsigned int adr_ofs = 0;
+	unsigned int xfr_cnt = 0;
+	const unsigned int max_dma_count = 1 << (DSPDMAC_XFRCNT_BCNT_HIBIT -
+						DSPDMAC_XFRCNT_BCNT_LOBIT + 1);
+
+	snd_printdd(KERN_INFO "-- dsp_dma_setup() -- Begin ---------");
+
+	if (count > max_dma_count) {
+		snd_printdd(KERN_ERR "count too big");
+		return -EINVAL;
+	}
+
+	dsp_addx = dsp_chip_to_dsp_addx(chip_addx, &code, &yram);
+	if (dsp_addx == INVALID_CHIP_ADDRESS) {
+		snd_printdd(KERN_ERR "invalid chip addr");
+		return -ENXIO;
+	}
+
+	snd_printdd(KERN_INFO "   dsp_dma_setup()    start reg pgm");
+
+	addr_field = dsp_addx << DSPDMAC_DMACFG_DBADR_LOBIT;
+	incr_field   = 0;
+
+	if (!code) {
+		addr_field <<= 1;
+		if (yram)
+			addr_field |= (1 << DSPDMAC_DMACFG_DBADR_LOBIT);
+
+		incr_field  = (1 << DSPDMAC_DMACFG_AINCR_LOBIT);
+	}
+
+	dma_cfg = addr_field + incr_field;
+	status = chipio_write(codec, DSPDMAC_DMACFG_INST_OFFSET(dma_chan),
+				dma_cfg);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "write DMACFG Reg fail");
+		return status;
+	}
+	snd_printdd(KERN_INFO "   dsp_dma_setup()    Write DMACFG");
+
+	adr_ofs = (count - 1) << (DSPDMAC_DSPADROFS_BOFS_LOBIT +
+							(code ? 0 : 1));
+
+	status = chipio_write(codec, DSPDMAC_DSPADROFS_INST_OFFSET(dma_chan),
+				adr_ofs);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "write DSPADROFS Reg fail");
+		return status;
+	}
+	snd_printdd(KERN_INFO "   dsp_dma_setup()    Write DSPADROFS");
+
+	base_cnt = (count - 1) << DSPDMAC_XFRCNT_BCNT_LOBIT;
+
+	cur_cnt  = (count - 1) << DSPDMAC_XFRCNT_CCNT_LOBIT;
+
+	xfr_cnt = base_cnt | cur_cnt;
+
+	status = chipio_write(codec,
+				DSPDMAC_XFRCNT_INST_OFFSET(dma_chan), xfr_cnt);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "write XFRCNT Reg fail");
+		return status;
+	}
+	snd_printdd(KERN_INFO "   dsp_dma_setup()    Write XFRCNT");
+
+	snd_printdd(
+		   "ChipA=0x%x, cnt=0x%x, DMACFG=0x%x, "
+		   "ADROFS=0x%x, XFRCNT=0x%x\n",
+		   chip_addx, count, dma_cfg, adr_ofs, xfr_cnt);
+
+	snd_printdd(KERN_INFO "-- dsp_dma_setup() -- Complete ---------");
+
+	return 0;
+}
+
+static int dsp_dma_start(struct hda_codec *codec,
+			 unsigned int dma_chan, bool ovly)
+{
+	unsigned int reg = 0;
+	int status = 0;
+
+	snd_printdd(KERN_INFO "-- dsp_dma_start() -- Begin ---------");
+
+	if (ovly) {
+		status = chipio_read(codec,
+				     DSPDMAC_CHNLSTART_INST_OFFSET, &reg);
+
+		if (status < 0) {
+			snd_printdd(KERN_ERR "read CHNLSTART reg fail");
+			return status;
+		}
+		snd_printdd(KERN_INFO "-- dsp_dma_start()    Read CHNLSTART");
+
+		reg &= ~(DSPDMAC_CHNLSTART_EN_MASK |
+				DSPDMAC_CHNLSTART_DIS_MASK);
+	}
+
+	status = chipio_write(codec, DSPDMAC_CHNLSTART_INST_OFFSET,
+			reg | (1 << (dma_chan + DSPDMAC_CHNLSTART_EN_LOBIT)));
+	if (status < 0) {
+		snd_printdd(KERN_ERR "write CHNLSTART reg fail");
+		return status;
+	}
+	snd_printdd(KERN_INFO "-- dsp_dma_start() -- Complete ---------");
+
+	return status;
+}
+
+static int dsp_dma_stop(struct hda_codec *codec,
+			unsigned int dma_chan, bool ovly)
+{
+	unsigned int reg = 0;
+	int status = 0;
+
+	snd_printdd(KERN_INFO "-- dsp_dma_stop() -- Begin ---------");
+
+	if (ovly) {
+		status = chipio_read(codec,
+				     DSPDMAC_CHNLSTART_INST_OFFSET, &reg);
+
+		if (status < 0) {
+			snd_printdd(KERN_ERR "read CHNLSTART reg fail");
+			return status;
+		}
+		snd_printdd(KERN_INFO "-- dsp_dma_stop()    Read CHNLSTART");
+		reg &= ~(DSPDMAC_CHNLSTART_EN_MASK |
+				DSPDMAC_CHNLSTART_DIS_MASK);
+	}
+
+	status = chipio_write(codec, DSPDMAC_CHNLSTART_INST_OFFSET,
+			reg | (1 << (dma_chan + DSPDMAC_CHNLSTART_DIS_LOBIT)));
+	if (status < 0) {
+		snd_printdd(KERN_ERR "write CHNLSTART reg fail");
+		return status;
+	}
+	snd_printdd(KERN_INFO "-- dsp_dma_stop() -- Complete ---------");
+
+	return status;
+}
+
+static int dsp_allocate_router_ports(struct hda_codec *codec,
+				     unsigned int num_chans,
+				     unsigned int ports_per_channel,
+				     unsigned int start_device,
+				     unsigned int *port_map)
+{
+	int status = 0;
+	int res;
+	u8 val;
+
+	status = chipio_send(codec, VENDOR_CHIPIO_STATUS, 0);
+	if (status < 0)
+		return status;
+
+	val = start_device << 6;
+	val |= (ports_per_channel - 1) << 4;
+	val |= num_chans - 1;
+
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_PORT_ALLOC_CONFIG_SET,
+			    val);
+
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_PORT_ALLOC_SET,
+			    MEM_CONNID_DSP);
+
+	status = chipio_send(codec, VENDOR_CHIPIO_STATUS, 0);
+	if (status < 0)
+		return status;
+
+	res = snd_hda_codec_read(codec, WIDGET_CHIP_CTRL, 0,
+				VENDOR_CHIPIO_PORT_ALLOC_GET, 0);
+
+	*port_map = res;
+
+	return (res < 0) ? res : 0;
+}
+
+static int dsp_free_router_ports(struct hda_codec *codec)
+{
+	int status = 0;
+
+	status = chipio_send(codec, VENDOR_CHIPIO_STATUS, 0);
+	if (status < 0)
+		return status;
+
+	snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
+			    VENDOR_CHIPIO_PORT_FREE_SET,
+			    MEM_CONNID_DSP);
+
+	status = chipio_send(codec, VENDOR_CHIPIO_STATUS, 0);
+
+	return status;
+}
+
+static int dsp_allocate_ports(struct hda_codec *codec,
+			unsigned int num_chans,
+			unsigned int rate_multi, unsigned int *port_map)
+{
+	int status;
+
+	snd_printdd(KERN_INFO "     dsp_allocate_ports() -- begin");
+
+	if ((rate_multi != 1) && (rate_multi != 2) && (rate_multi != 4)) {
+		snd_printdd(KERN_ERR "bad rate multiple");
+		return -EINVAL;
+	}
+
+	status = dsp_allocate_router_ports(codec, num_chans,
+					   rate_multi, 0, port_map);
+
+	snd_printdd(KERN_INFO "     dsp_allocate_ports() -- complete");
+
+	return status;
+}
+
+static int dsp_free_ports(struct hda_codec *codec)
+{
+	int status;
+
+	snd_printdd(KERN_INFO "     dsp_free_ports() -- begin");
+
+	status = dsp_free_router_ports(codec);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "free router ports fail");
+		return status;
+	}
+	snd_printdd(KERN_INFO "     dsp_free_ports() -- complete");
+
+	return status;
+}
+
+static int dsp_allocate_ports_format(struct hda_codec *codec,
+			const unsigned short fmt,
+			unsigned int *port_map)
+{
+	int status;
+	unsigned int num_chans;
+
+	unsigned int sample_rate_div = ((get_hdafmt_rate(fmt) >> 0) & 3) + 1;
+	unsigned int sample_rate_mul = ((get_hdafmt_rate(fmt) >> 3) & 3) + 1;
+	unsigned int rate_multi = sample_rate_mul / sample_rate_div;
+
+	if ((rate_multi != 1) && (rate_multi != 2) && (rate_multi != 4)) {
+		snd_printdd(KERN_ERR "bad rate multiple");
+		return -EINVAL;
+	}
+
+	num_chans = get_hdafmt_chs(fmt) + 1;
+
+	status = dsp_allocate_ports(codec, num_chans, rate_multi, port_map);
+
+	return status;
+}
+
+/*
+ *  HDA DMA engine stuffs for DSP code download
+ */
+struct dma_engine {
+	struct hda_codec *codec;
+	unsigned short m_converter_format;
+	struct snd_dma_buffer *dmab;
+	unsigned int buf_size;
+};
+
+
+enum dma_state {
+	DMA_STATE_STOP  = 0,
+	DMA_STATE_RUN   = 1
+};
+
+static int dma_convert_to_hda_format(
+		struct hda_stream_format *stream_format,
+		unsigned short *hda_format)
+{
+	unsigned int format_val;
+
+	format_val = snd_hda_calc_stream_format(
+				stream_format->sample_rate,
+				stream_format->number_channels,
+				SNDRV_PCM_FORMAT_S32_LE,
+				stream_format->container_size, 0);
+
+	if (hda_format)
+		*hda_format = (unsigned short)format_val;
+
+	return 0;
+}
+
+static int dma_reset(struct dma_engine *dma)
+{
+	struct hda_codec *codec = dma->codec;
+	struct ca0132_spec *spec = codec->spec;
+	int status;
+
+	if (dma->dmab)
+		snd_hda_codec_load_dsp_cleanup(codec, dma->dmab);
+
+	status = snd_hda_codec_load_dsp_prepare(codec,
+			dma->m_converter_format,
+			dma->buf_size,
+			dma->dmab);
+	if (status < 0)
+		return status;
+	spec->dsp_stream_id = status;
+	return 0;
+}
+
+static int dma_set_state(struct dma_engine *dma, enum dma_state state)
+{
+	bool cmd;
+
+	snd_printdd("dma_set_state state=%d\n", state);
+
+	switch (state) {
+	case DMA_STATE_STOP:
+		cmd = false;
+		break;
+	case DMA_STATE_RUN:
+		cmd = true;
+		break;
+	default:
+		return 0;
+	}
+
+	snd_hda_codec_load_dsp_trigger(dma->codec, cmd);
+	return 0;
+}
+
+static unsigned int dma_get_buffer_size(struct dma_engine *dma)
+{
+	return dma->dmab->bytes;
+}
+
+static unsigned char *dma_get_buffer_addr(struct dma_engine *dma)
+{
+	return dma->dmab->area;
+}
+
+static int dma_xfer(struct dma_engine *dma,
+		const unsigned int *data,
+		unsigned int count)
+{
+	memcpy(dma->dmab->area, data, count);
+	return 0;
+}
+
+static void dma_get_converter_format(
+		struct dma_engine *dma,
+		unsigned short *format)
+{
+	if (format)
+		*format = dma->m_converter_format;
+}
+
+static unsigned int dma_get_stream_id(struct dma_engine *dma)
+{
+	struct ca0132_spec *spec = dma->codec->spec;
+
+	return spec->dsp_stream_id;
+}
+
+struct dsp_image_seg {
+	u32 magic;
+	u32 chip_addr;
+	u32 count;
+	u32 data[0];
+};
+
+static const u32 g_magic_value = 0x4c46584d;
+static const u32 g_chip_addr_magic_value = 0xFFFFFF01;
+
+static bool is_valid(const struct dsp_image_seg *p)
+{
+	return p->magic == g_magic_value;
+}
+
+static bool is_hci_prog_list_seg(const struct dsp_image_seg *p)
+{
+	return g_chip_addr_magic_value == p->chip_addr;
+}
+
+static bool is_last(const struct dsp_image_seg *p)
+{
+	return p->count == 0;
+}
+
+static size_t dsp_sizeof(const struct dsp_image_seg *p)
+{
+	return sizeof(*p) + p->count*sizeof(u32);
+}
+
+static const struct dsp_image_seg *get_next_seg_ptr(
+				const struct dsp_image_seg *p)
+{
+	return (struct dsp_image_seg *)((unsigned char *)(p) + dsp_sizeof(p));
+}
+
+/*
+ * CA0132 chip DSP transfer stuffs.  For DSP download.
+ */
+#define INVALID_DMA_CHANNEL (~0UL)
+
+static int dspxfr_hci_write(struct hda_codec *codec,
+			const struct dsp_image_seg *fls)
+{
+	int status;
+	const u32 *data;
+	unsigned int count;
+
+	if (fls == NULL || fls->chip_addr != g_chip_addr_magic_value) {
+		snd_printdd(KERN_ERR "hci_write invalid params");
+		return -EINVAL;
+	}
+
+	count = fls->count;
+	data = (u32 *)(fls->data);
+	while (count >= 2) {
+		status = chipio_write(codec, data[0], data[1]);
+		if (status < 0) {
+			snd_printdd(KERN_ERR "hci_write chipio failed");
+			return status;
+		}
+		count -= 2;
+		data  += 2;
+	}
+	return 0;
+}
+
+static int dspxfr_one_seg(struct hda_codec *codec,
+			const struct dsp_image_seg *fls,
+			unsigned int reloc,
+			struct dma_engine *dma_engine,
+			unsigned int dma_chan,
+			unsigned int port_map_mask,
+			bool ovly)
+{
+	int status;
+	bool comm_dma_setup_done = false;
+	const unsigned int *data;
+	unsigned int chip_addx;
+	unsigned int words_to_write;
+	unsigned int buffer_size_words;
+	unsigned char *buffer_addx;
+	unsigned short hda_format;
+	unsigned int sample_rate_div;
+	unsigned int sample_rate_mul;
+	unsigned int num_chans;
+	unsigned int hda_frame_size_words;
+	unsigned int remainder_words;
+	const u32 *data_remainder;
+	u32 chip_addx_remainder;
+	unsigned int run_size_words;
+	const struct dsp_image_seg *hci_write = NULL;
+	int retry;
+
+	if (fls == NULL)
+		return -EINVAL;
+	if (is_hci_prog_list_seg(fls)) {
+		hci_write = fls;
+		fls = get_next_seg_ptr(fls);
+	}
+
+	if (hci_write && (!fls || is_last(fls))) {
+		snd_printdd("hci_write\n");
+		return dspxfr_hci_write(codec, hci_write);
+	}
+
+	if (fls == NULL || dma_engine == NULL || port_map_mask == 0) {
+		snd_printdd("Invalid Params\n");
+		return -EINVAL;
+	}
+
+	data = fls->data;
+	chip_addx = fls->chip_addr,
+	words_to_write = fls->count;
+
+	if (!words_to_write)
+		return hci_write ? dspxfr_hci_write(codec, hci_write) : 0;
+	if (reloc)
+		chip_addx = (chip_addx & (0xFFFF0000 << 2)) + (reloc << 2);
+
+	if (!UC_RANGE(chip_addx, words_to_write) &&
+	    !X_RANGE_ALL(chip_addx, words_to_write) &&
+	    !Y_RANGE_ALL(chip_addx, words_to_write)) {
+		snd_printdd("Invalid chip_addx Params\n");
+		return -EINVAL;
+	}
+
+	buffer_size_words = (unsigned int)dma_get_buffer_size(dma_engine) /
+					sizeof(u32);
+
+	buffer_addx = dma_get_buffer_addr(dma_engine);
+
+	if (buffer_addx == NULL) {
+		snd_printdd(KERN_ERR "dma_engine buffer NULL\n");
+		return -EINVAL;
+	}
+
+	dma_get_converter_format(dma_engine, &hda_format);
+	sample_rate_div = ((get_hdafmt_rate(hda_format) >> 0) & 3) + 1;
+	sample_rate_mul = ((get_hdafmt_rate(hda_format) >> 3) & 3) + 1;
+	num_chans = get_hdafmt_chs(hda_format) + 1;
+
+	hda_frame_size_words = ((sample_rate_div == 0) ? 0 :
+			(num_chans * sample_rate_mul / sample_rate_div));
+
+	buffer_size_words = min(buffer_size_words,
+				(unsigned int)(UC_RANGE(chip_addx, 1) ?
+				65536 : 32768));
+	buffer_size_words -= buffer_size_words % hda_frame_size_words;
+	snd_printdd(
+		   "chpadr=0x%08x frmsz=%u nchan=%u "
+		   "rate_mul=%u div=%u bufsz=%u\n",
+		   chip_addx, hda_frame_size_words, num_chans,
+		   sample_rate_mul, sample_rate_div, buffer_size_words);
+
+	if ((buffer_addx == NULL) || (hda_frame_size_words == 0) ||
+	    (buffer_size_words < hda_frame_size_words)) {
+		snd_printdd(KERN_ERR "dspxfr_one_seg:failed\n");
+		return -EINVAL;
+	}
+
+	remainder_words = words_to_write % hda_frame_size_words;
+	data_remainder = data;
+	chip_addx_remainder = chip_addx;
+
+	data += remainder_words;
+	chip_addx += remainder_words*sizeof(u32);
+	words_to_write -= remainder_words;
+
+	while (words_to_write != 0) {
+		run_size_words = min(buffer_size_words, words_to_write);
+		snd_printdd("dspxfr (seg loop)cnt=%u rs=%u remainder=%u\n",
+			    words_to_write, run_size_words, remainder_words);
+		dma_xfer(dma_engine, data, run_size_words*sizeof(u32));
+		if (!comm_dma_setup_done) {
+			status = dsp_dma_stop(codec, dma_chan, ovly);
+			if (status < 0)
+				return -EIO;
+			status = dsp_dma_setup_common(codec, chip_addx,
+						dma_chan, port_map_mask, ovly);
+			if (status < 0)
+				return status;
+			comm_dma_setup_done = true;
+		}
+
+		status = dsp_dma_setup(codec, chip_addx,
+						run_size_words, dma_chan);
+		if (status < 0)
+			return status;
+		status = dsp_dma_start(codec, dma_chan, ovly);
+		if (status < 0)
+			return status;
+		if (!dsp_is_dma_active(codec, dma_chan)) {
+			snd_printdd(KERN_ERR "dspxfr:DMA did not start");
+			return -EIO;
+		}
+		status = dma_set_state(dma_engine, DMA_STATE_RUN);
+		if (status < 0)
+			return status;
+		if (remainder_words != 0) {
+			status = chipio_write_multiple(codec,
+						chip_addx_remainder,
+						data_remainder,
+						remainder_words);
+			remainder_words = 0;
+		}
+		if (hci_write) {
+			status = dspxfr_hci_write(codec, hci_write);
+			hci_write = NULL;
+		}
+		retry = 5000;
+		while (dsp_is_dma_active(codec, dma_chan)) {
+			if (--retry <= 0)
+				break;
+		}
+		snd_printdd(KERN_INFO "+++++ DMA complete");
+		dma_set_state(dma_engine, DMA_STATE_STOP);
+		dma_reset(dma_engine);
+
+		if (status < 0)
+			return status;
+
+		data += run_size_words;
+		chip_addx += run_size_words*sizeof(u32);
+		words_to_write -= run_size_words;
+	}
+
+	if (remainder_words != 0) {
+		status = chipio_write_multiple(codec, chip_addx_remainder,
+					data_remainder, remainder_words);
+	}
+
+	return status;
+}
+
+static int dspxfr_image(struct hda_codec *codec,
+			const struct dsp_image_seg *fls_data,
+			unsigned int reloc, struct hda_stream_format *format,
+			bool ovly)
+{
+	struct ca0132_spec *spec = codec->spec;
+	int status;
+	unsigned short hda_format = 0;
+	unsigned int response;
+	unsigned char stream_id = 0;
+	struct dma_engine *dma_engine;
+	unsigned int dma_chan;
+	unsigned int port_map_mask;
+
+	if (fls_data == NULL)
+		return -EINVAL;
+
+	dma_engine = kzalloc(sizeof(*dma_engine), GFP_KERNEL);
+	if (!dma_engine) {
+		status = -ENOMEM;
+		goto exit;
+	}
+	memset((void *)dma_engine, 0, sizeof(*dma_engine));
+
+	dma_engine->dmab = kzalloc(sizeof(*dma_engine->dmab), GFP_KERNEL);
+	if (!dma_engine->dmab) {
+		status = -ENOMEM;
+		goto exit;
+	}
+
+	dma_engine->codec = codec;
+	dma_convert_to_hda_format(format, &hda_format);
+	dma_engine->m_converter_format = hda_format;
+	dma_engine->buf_size = (ovly ? DSP_DMA_WRITE_BUFLEN_OVLY :
+			DSP_DMA_WRITE_BUFLEN_INIT) * 2;
+
+	dma_chan = 0;
+
+	status = codec_set_converter_format(codec, WIDGET_CHIP_CTRL,
+					hda_format, &response);
+
+	if (status < 0) {
+		snd_printdd(KERN_ERR "set converter format fail");
+		goto exit;
+	}
+
+	status = snd_hda_codec_load_dsp_prepare(codec,
+				dma_engine->m_converter_format,
+				dma_engine->buf_size,
+				dma_engine->dmab);
+	if (status < 0)
+		goto exit;
+	spec->dsp_stream_id = status;
+
+	if (ovly) {
+		status = dspio_alloc_dma_chan(codec, &dma_chan);
+		if (status < 0) {
+			snd_printdd(KERN_ERR "alloc dmachan fail");
+			dma_chan = (unsigned int)INVALID_DMA_CHANNEL;
+			goto exit;
+		}
+	}
+
+	port_map_mask = 0;
+	status = dsp_allocate_ports_format(codec, hda_format,
+					&port_map_mask);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "alloc ports fail");
+		goto exit;
+	}
+
+	stream_id = dma_get_stream_id(dma_engine);
+	status = codec_set_converter_stream_channel(codec,
+			WIDGET_CHIP_CTRL, stream_id, 0, &response);
+	if (status < 0) {
+		snd_printdd(KERN_ERR "set stream chan fail");
+		goto exit;
+	}
+
+	while ((fls_data != NULL) && !is_last(fls_data)) {
+		if (!is_valid(fls_data)) {
+			snd_printdd(KERN_ERR "FLS check fail");
+			status = -EINVAL;
+			goto exit;
+		}
+		status = dspxfr_one_seg(codec, fls_data, reloc,
+					dma_engine, dma_chan,
+					port_map_mask, ovly);
+		if (status < 0)
+			break;
+
+		if (is_hci_prog_list_seg(fls_data))
+			fls_data = get_next_seg_ptr(fls_data);
+
+		if ((fls_data != NULL) && !is_last(fls_data))
+			fls_data = get_next_seg_ptr(fls_data);
+	}
+
+	if (port_map_mask != 0)
+		status = dsp_free_ports(codec);
+
+	if (status < 0)
+		goto exit;
+
+	status = codec_set_converter_stream_channel(codec,
+				WIDGET_CHIP_CTRL, 0, 0, &response);
+
+exit:
+	if (ovly && (dma_chan != INVALID_DMA_CHANNEL))
+		dspio_free_dma_chan(codec, dma_chan);
+
+	if (dma_engine->dmab)
+		snd_hda_codec_load_dsp_cleanup(codec, dma_engine->dmab);
+	kfree(dma_engine->dmab);
+	kfree(dma_engine);
+
+	return status;
+}
+
+/*
+ * CA0132 DSP download stuffs.
+ */
+static void dspload_post_setup(struct hda_codec *codec)
+{
+	snd_printdd(KERN_INFO "---- dspload_post_setup ------");
+
+	/*set DSP speaker to 2.0 configuration*/
+	chipio_write(codec, XRAM_XRAM_INST_OFFSET(0x18), 0x08080080);
+	chipio_write(codec, XRAM_XRAM_INST_OFFSET(0x19), 0x3f800000);
+
+	/*update write pointer*/
+	chipio_write(codec, XRAM_XRAM_INST_OFFSET(0x29), 0x00000002);
+}
+
+static int dspload_image(struct hda_codec *codec,
+			const struct dsp_image_seg *fls,
+			bool ovly,
+			unsigned int reloc,
+			bool autostart,
+			int router_chans)
+{
+	int status = 0;
+	struct hda_stream_format stream_format;
+
+	snd_printdd(KERN_INFO "---- dspload_image begin ------");
+	if (router_chans == 0) {
+		if (!ovly)
+			router_chans = DMA_TRANSFER_FRAME_SIZE_NWORDS;
+		else
+			router_chans = DMA_OVERLAY_FRAME_SIZE_NWORDS;
+	}
+
+	stream_format.sample_rate = 48000;
+	stream_format.number_channels = (unsigned short)router_chans;
+
+	while (stream_format.number_channels > 16) {
+		stream_format.sample_rate *= 2;
+		stream_format.number_channels /= 2;
+	}
+
+	stream_format.container_size = 32;
+	stream_format.valid_bits_per_sample = 32;
+
+	do {
+		snd_printdd(KERN_INFO "Ready to program DMA");
+		if (!ovly)
+			status = dsp_reset(codec);
+
+		if (status < 0)
+			break;
+
+		snd_printdd(KERN_INFO "dsp_reset() complete");
+		status = dspxfr_image(codec, fls, reloc, &stream_format, ovly);
+
+		if (status < 0)
+			break;
+
+		snd_printdd(KERN_INFO "dspxfr_image() complete");
+		if (autostart && !ovly) {
+			dspload_post_setup(codec);
+			status = dsp_set_run_state(codec);
+		}
+
+		snd_printdd(KERN_INFO "LOAD FINISHED");
+	} while (0);
+
+	return status;
+}
+
+static bool dspload_is_loaded(struct hda_codec *codec)
+{
+	unsigned int data = 0;
+	int status = 0;
+
+	status = chipio_read(codec, 0x40004, &data);
+	if ((status < 0) || (data != 1))
+		return false;
+
+	return true;
+}
+
+static bool dspload_wait_loaded(struct hda_codec *codec)
+{
+	int retry = 100;
+
+	do {
+		msleep(20);
+		if (dspload_is_loaded(codec)) {
+			pr_info("ca0132 DOWNLOAD OK :-) DSP IS RUNNING.\n");
+			return true;
+		}
+	} while (--retry);
+
+	pr_err("ca0132 DOWNLOAD FAILED!!! DSP IS NOT RUNNING.\n");
+	return false;
+}
+
 /*
  * PCM callbacks
  */
@@ -983,12 +2524,66 @@ static void ca0132_exit_chip(struct hda_codec *codec)
 	/* put any chip cleanup stuffs here. */
 }
 
+static void ca0132_set_dsp_msr(struct hda_codec *codec, bool is96k)
+{
+	chipio_set_control_flag(codec, CONTROL_FLAG_DSP_96KHZ, is96k);
+	chipio_set_control_flag(codec, CONTROL_FLAG_DAC_96KHZ, is96k);
+	chipio_set_control_flag(codec, CONTROL_FLAG_SRC_RATE_96KHZ, is96k);
+	chipio_set_control_flag(codec, CONTROL_FLAG_SRC_CLOCK_196MHZ, is96k);
+	chipio_set_control_flag(codec, CONTROL_FLAG_ADC_B_96KHZ, is96k);
+	chipio_set_control_flag(codec, CONTROL_FLAG_ADC_C_96KHZ, is96k);
+
+	chipio_set_conn_rate(codec, MEM_CONNID_MICIN1, SR_16_000);
+	chipio_set_conn_rate(codec, MEM_CONNID_MICOUT1, SR_16_000);
+	chipio_set_conn_rate(codec, MEM_CONNID_WUH, SR_48_000);
+}
+
+static bool ca0132_download_dsp_images(struct hda_codec *codec)
+{
+	bool dsp_loaded = false;
+	const struct dsp_image_seg *dsp_os_image;
+	const struct firmware *fw_entry;
+
+	if (request_firmware(&fw_entry, EFX_FILE, codec->bus->card->dev) != 0)
+		return false;
+
+	dsp_os_image = (struct dsp_image_seg *)(fw_entry->data);
+	dspload_image(codec, dsp_os_image, 0, 0, true, 0);
+	dsp_loaded = dspload_wait_loaded(codec);
+
+	release_firmware(fw_entry);
+
+
+	return dsp_loaded;
+}
+
+static void ca0132_download_dsp(struct hda_codec *codec)
+{
+	struct ca0132_spec *spec = codec->spec;
+
+	spec->dsp_state = DSP_DOWNLOAD_INIT;
+
+	if (spec->dsp_state == DSP_DOWNLOAD_INIT) {
+		chipio_enable_clocks(codec);
+		spec->dsp_state = DSP_DOWNLOADING;
+		if (!ca0132_download_dsp_images(codec))
+			spec->dsp_state = DSP_DOWNLOAD_FAILED;
+		else
+			spec->dsp_state = DSP_DOWNLOADED;
+	}
+
+	if (spec->dsp_state == DSP_DOWNLOADED)
+		ca0132_set_dsp_msr(codec, true);
+}
+
 static int ca0132_init(struct hda_codec *codec)
 {
 	struct ca0132_spec *spec = codec->spec;
 	struct auto_pin_cfg *cfg = &spec->autocfg;
 	int i;
 
+	ca0132_download_dsp(codec);
+
 	for (i = 0; i < spec->multiout.num_dacs; i++) {
 		init_output(codec, spec->out_pins[i],
 			    spec->multiout.dac_nids[i]);
-- 
1.7.4.1



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