Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/sound/soc/msm/qdsp6/q6afe.c b/sound/soc/msm/qdsp6/q6afe.c
new file mode 100644
index 0000000..500ceb5
--- /dev/null
+++ b/sound/soc/msm/qdsp6/q6afe.c
@@ -0,0 +1,868 @@
+/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/debugfs.h>
+#include <linux/kernel.h>
+#include <linux/kthread.h>
+#include <linux/uaccess.h>
+#include <linux/wait.h>
+#include <linux/jiffies.h>
+#include <linux/sched.h>
+#include <sound/apr_audio.h>
+#include <sound/q6afe.h>
+
+struct afe_ctl {
+ void *apr;
+ atomic_t state;
+ atomic_t status;
+ wait_queue_head_t wait;
+ struct task_struct *task;
+};
+
+static struct afe_ctl this_afe;
+
+#define TIMEOUT_MS 1000
+#define Q6AFE_MAX_VOLUME 0x3FFF
+
+#define SIZEOF_CFG_CMD(y) \
+ (sizeof(struct apr_hdr) + sizeof(u16) + (sizeof(struct y)))
+
+static int32_t afe_callback(struct apr_client_data *data, void *priv)
+{
+ if (data->opcode == RESET_EVENTS) {
+ pr_debug("q6afe: reset event = %d %d apr[%p]\n",
+ data->reset_event, data->reset_proc, this_afe.apr);
+ if (this_afe.apr) {
+ apr_reset(this_afe.apr);
+ atomic_set(&this_afe.state, 0);
+ this_afe.apr = NULL;
+ }
+ /* send info to user */
+ pr_debug("task_name = %s pid = %d\n",
+ this_afe.task->comm, this_afe.task->pid);
+ send_sig(SIGUSR1, this_afe.task, 0);
+ }
+ if (data->payload_size) {
+ uint32_t *payload;
+ payload = data->payload;
+ pr_debug("%s: cmd = 0x%x status = 0x%x\n", __func__,
+ payload[0], payload[1]);
+ /* payload[1] contains the error status for response */
+ if (payload[1] != 0) {
+ atomic_set(&this_afe.status, -1);
+ pr_err("%s: cmd = 0x%x returned error = 0x%x\n",
+ __func__, payload[0], payload[1]);
+ }
+ if (data->opcode == APR_BASIC_RSP_RESULT) {
+ switch (payload[0]) {
+ case AFE_PORT_AUDIO_IF_CONFIG:
+ case AFE_PORT_CMD_STOP:
+ case AFE_PORT_CMD_START:
+ case AFE_PORT_CMD_LOOPBACK:
+ case AFE_PORT_CMD_SIDETONE_CTL:
+ case AFE_PORT_CMD_SET_PARAM:
+ case AFE_PSEUDOPORT_CMD_START:
+ case AFE_PSEUDOPORT_CMD_STOP:
+ atomic_set(&this_afe.state, 0);
+ wake_up(&this_afe.wait);
+ break;
+ default:
+ pr_err("Unknown cmd 0x%x\n",
+ payload[0]);
+ break;
+ }
+ }
+ }
+ return 0;
+}
+
+int afe_validate_port(u16 port_id)
+{
+ int ret;
+
+ switch (port_id) {
+ case PRIMARY_I2S_RX:
+ case PRIMARY_I2S_TX:
+ case PCM_RX:
+ case PCM_TX:
+ case SECONDARY_I2S_RX:
+ case SECONDARY_I2S_TX:
+ case MI2S_RX:
+ case MI2S_TX:
+ case HDMI_RX:
+ case RSVD_2:
+ case RSVD_3:
+ case DIGI_MIC_TX:
+ case VOICE_RECORD_RX:
+ case VOICE_RECORD_TX:
+ case VOICE_PLAYBACK_TX:
+ case SLIMBUS_0_RX:
+ case SLIMBUS_0_TX:
+ case INT_BT_SCO_RX:
+ case INT_BT_SCO_TX:
+ case INT_BT_A2DP_RX:
+ case INT_FM_RX:
+ case INT_FM_TX:
+ {
+ ret = 0;
+ break;
+ }
+
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+int afe_get_port_index(u16 port_id)
+{
+ switch (port_id) {
+ case PRIMARY_I2S_RX: return IDX_PRIMARY_I2S_RX;
+ case PRIMARY_I2S_TX: return IDX_PRIMARY_I2S_TX;
+ case PCM_RX: return IDX_PCM_RX;
+ case PCM_TX: return IDX_PCM_TX;
+ case SECONDARY_I2S_RX: return IDX_SECONDARY_I2S_RX;
+ case SECONDARY_I2S_TX: return IDX_SECONDARY_I2S_TX;
+ case MI2S_RX: return IDX_MI2S_RX;
+ case MI2S_TX: return IDX_MI2S_TX;
+ case HDMI_RX: return IDX_HDMI_RX;
+ case RSVD_2: return IDX_RSVD_2;
+ case RSVD_3: return IDX_RSVD_3;
+ case DIGI_MIC_TX: return IDX_DIGI_MIC_TX;
+ case VOICE_RECORD_RX: return IDX_VOICE_RECORD_RX;
+ case VOICE_RECORD_TX: return IDX_VOICE_RECORD_TX;
+ case VOICE_PLAYBACK_TX: return IDX_VOICE_PLAYBACK_TX;
+ case SLIMBUS_0_RX: return IDX_SLIMBUS_0_RX;
+ case SLIMBUS_0_TX: return IDX_SLIMBUS_0_TX;
+ case INT_BT_SCO_RX: return IDX_INT_BT_SCO_RX;
+ case INT_BT_SCO_TX: return IDX_INT_BT_SCO_TX;
+ case INT_BT_A2DP_RX: return IDX_INT_BT_A2DP_RX;
+ case INT_FM_RX: return IDX_INT_FM_RX;
+ case INT_FM_TX: return IDX_INT_FM_TX;
+
+ default: return -EINVAL;
+ }
+}
+
+int afe_sizeof_cfg_cmd(u16 port_id)
+{
+ int ret_size;
+ switch (port_id) {
+ case PRIMARY_I2S_RX:
+ case PRIMARY_I2S_TX:
+ case SECONDARY_I2S_RX:
+ case SECONDARY_I2S_TX:
+ case MI2S_RX:
+ case MI2S_TX:
+ ret_size = SIZEOF_CFG_CMD(afe_port_mi2s_cfg);
+ break;
+ case HDMI_RX:
+ ret_size = SIZEOF_CFG_CMD(afe_port_hdmi_cfg);
+ break;
+ case SLIMBUS_0_RX:
+ case SLIMBUS_0_TX:
+ ret_size = SIZEOF_CFG_CMD(afe_port_slimbus_cfg);
+ break;
+ case PCM_RX:
+ case PCM_TX:
+ default:
+ ret_size = SIZEOF_CFG_CMD(afe_port_pcm_cfg);
+ break;
+ }
+ return ret_size;
+}
+
+int afe_port_start_nowait(u16 port_id, union afe_port_config *afe_config,
+ u32 rate) /* This function is no blocking */
+{
+ struct afe_port_start_command start;
+ struct afe_audioif_config_command config;
+ int ret;
+
+ if (!afe_config) {
+ pr_err("%s: Error, no configuration data\n", __func__);
+ ret = -EINVAL;
+ return ret;
+ }
+
+ pr_info("%s: %d %d\n", __func__, port_id, rate);
+
+ if (this_afe.apr == NULL) {
+ this_afe.apr = apr_register("ADSP", "AFE", afe_callback,
+ 0xFFFFFFFF, &this_afe);
+ pr_info("%s: Register AFE\n", __func__);
+ if (this_afe.apr == NULL) {
+ pr_err("%s: Unable to register AFE\n", __func__);
+ ret = -ENODEV;
+ return ret;
+ }
+ }
+
+ config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
+ config.hdr.src_port = 0;
+ config.hdr.dest_port = 0;
+ config.hdr.token = 0;
+ config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
+
+ if (afe_validate_port(port_id) < 0) {
+
+ pr_err("%s: Failed : Invalid Port id = %d\n", __func__,
+ port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ config.port_id = port_id;
+ config.port = *afe_config;
+
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &config);
+ if (ret < 0) {
+ pr_err("%s: AFE enable for port %d failed\n", __func__,
+ port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ start.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ start.hdr.pkt_size = sizeof(start);
+ start.hdr.src_port = 0;
+ start.hdr.dest_port = 0;
+ start.hdr.token = 0;
+ start.hdr.opcode = AFE_PORT_CMD_START;
+ start.port_id = port_id;
+ start.gain = 0x2000;
+ start.sample_rate = rate;
+
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &start);
+
+ if (IS_ERR_VALUE(ret)) {
+ pr_err("%s: AFE enable for port %d failed\n", __func__,
+ port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ if (this_afe.task != current)
+ this_afe.task = current;
+
+ pr_debug("task_name = %s pid = %d\n",
+ this_afe.task->comm, this_afe.task->pid);
+ return 0;
+
+fail_cmd:
+ return ret;
+}
+
+int afe_open(u16 port_id, union afe_port_config *afe_config, int rate)
+{
+ struct afe_port_start_command start;
+ struct afe_audioif_config_command config;
+ int ret = 0;
+
+ if (!afe_config) {
+ pr_err("%s: Error, no configuration data\n", __func__);
+ ret = -EINVAL;
+ return ret;
+ }
+
+ pr_info("%s: %d %d\n", __func__, port_id, rate);
+
+ if (this_afe.apr == NULL) {
+ this_afe.apr = apr_register("ADSP", "AFE", afe_callback,
+ 0xFFFFFFFF, &this_afe);
+ pr_info("%s: Register AFE\n", __func__);
+ if (this_afe.apr == NULL) {
+ pr_err("%s: Unable to register AFE\n", __func__);
+ ret = -ENODEV;
+ return ret;
+ }
+ }
+
+ config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
+ config.hdr.src_port = 0;
+ config.hdr.dest_port = 0;
+ config.hdr.token = 0;
+ config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
+
+ if (afe_validate_port(port_id) < 0) {
+
+ pr_err("%s: Failed : Invalid Port id = %d\n", __func__,
+ port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ config.port_id = port_id;
+ config.port = *afe_config;
+
+ atomic_set(&this_afe.state, 1);
+ atomic_set(&this_afe.status, 0);
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &config);
+ if (ret < 0) {
+ pr_err("%s: AFE enable for port %d failed\n", __func__,
+ port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ ret = wait_event_timeout(this_afe.wait,
+ (atomic_read(&this_afe.state) == 0),
+ msecs_to_jiffies(TIMEOUT_MS));
+ if (!ret) {
+ pr_err("%s: wait_event timeout\n", __func__);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+ if (atomic_read(&this_afe.status) != 0) {
+ pr_err("%s: config cmd failed\n", __func__);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+ start.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ start.hdr.pkt_size = sizeof(start);
+ start.hdr.src_port = 0;
+ start.hdr.dest_port = 0;
+ start.hdr.token = 0;
+ start.hdr.opcode = AFE_PORT_CMD_START;
+ start.port_id = port_id;
+ start.gain = 0x2000;
+ start.sample_rate = rate;
+
+ atomic_set(&this_afe.state, 1);
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &start);
+ if (ret < 0) {
+ pr_err("%s: AFE enable for port %d failed\n", __func__,
+ port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+ ret = wait_event_timeout(this_afe.wait,
+ (atomic_read(&this_afe.state) == 0),
+ msecs_to_jiffies(TIMEOUT_MS));
+ if (!ret) {
+ pr_err("%s: wait_event timeout\n", __func__);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ if (this_afe.task != current)
+ this_afe.task = current;
+
+ pr_debug("task_name = %s pid = %d\n",
+ this_afe.task->comm, this_afe.task->pid);
+ return 0;
+fail_cmd:
+ return ret;
+}
+
+int afe_loopback(u16 enable, u16 rx_port, u16 tx_port)
+{
+ struct afe_loopback_command lb_cmd;
+ int ret = 0;
+ if (this_afe.apr == NULL) {
+ this_afe.apr = apr_register("ADSP", "AFE", afe_callback,
+ 0xFFFFFFFF, &this_afe);
+ pr_info("%s: Register AFE\n", __func__);
+ if (this_afe.apr == NULL) {
+ pr_err("%s: Unable to register AFE\n", __func__);
+ ret = -ENODEV;
+ return ret;
+ }
+ }
+ lb_cmd.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(20), APR_PKT_VER);
+ lb_cmd.hdr.pkt_size = APR_PKT_SIZE(APR_HDR_SIZE,
+ sizeof(lb_cmd) - APR_HDR_SIZE);
+ lb_cmd.hdr.src_port = 0;
+ lb_cmd.hdr.dest_port = 0;
+ lb_cmd.hdr.token = 0;
+ lb_cmd.hdr.opcode = AFE_PORT_CMD_LOOPBACK;
+ lb_cmd.tx_port_id = tx_port;
+ lb_cmd.rx_port_id = rx_port;
+ lb_cmd.mode = 0xFFFF;
+ lb_cmd.enable = (enable ? 1 : 0);
+ atomic_set(&this_afe.state, 1);
+
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &lb_cmd);
+ if (ret < 0) {
+ pr_err("%s: AFE loopback failed\n", __func__);
+ ret = -EINVAL;
+ goto done;
+ }
+ ret = wait_event_timeout(this_afe.wait,
+ (atomic_read(&this_afe.state) == 0),
+ msecs_to_jiffies(TIMEOUT_MS));
+ if (!ret) {
+ pr_err("%s: wait_event timeout\n", __func__);
+ ret = -EINVAL;
+ }
+done:
+ return ret;
+}
+
+
+int afe_loopback_gain(u16 port_id, u16 volume)
+{
+ struct afe_port_cmd_set_param set_param;
+ int ret = 0;
+
+ if (this_afe.apr == NULL) {
+ pr_err("%s: AFE is not opened\n", __func__);
+ ret = -EPERM;
+ goto fail_cmd;
+ }
+
+ if (afe_validate_port(port_id) < 0) {
+
+ pr_err("%s: Failed : Invalid Port id = %d\n", __func__,
+ port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ /* RX ports numbers are even .TX ports numbers are odd. */
+ if (port_id % 2 == 0) {
+ pr_err("%s: Failed : afe loopback gain only for TX ports."
+ " port_id %d\n", __func__, port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ pr_debug("%s: %d %hX\n", __func__, port_id, volume);
+
+ set_param.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ set_param.hdr.pkt_size = sizeof(set_param);
+ set_param.hdr.src_port = 0;
+ set_param.hdr.dest_port = 0;
+ set_param.hdr.token = 0;
+ set_param.hdr.opcode = AFE_PORT_CMD_SET_PARAM;
+
+ set_param.port_id = port_id;
+ set_param.payload_size = sizeof(struct afe_param_payload);
+ set_param.payload_address = 0;
+
+ set_param.payload.module_id = AFE_MODULE_ID_PORT_INFO;
+ set_param.payload.param_id = AFE_PARAM_ID_LOOPBACK_GAIN;
+ set_param.payload.param_size = sizeof(struct afe_param_loopback_gain);
+ set_param.payload.reserved = 0;
+
+ set_param.payload.param.loopback_gain.gain = volume;
+ set_param.payload.param.loopback_gain.reserved = 0;
+
+ atomic_set(&this_afe.state, 1);
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &set_param);
+ if (ret < 0) {
+ pr_err("%s: AFE param set failed for port %d\n",
+ __func__, port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ ret = wait_event_timeout(this_afe.wait,
+ (atomic_read(&this_afe.state) == 0),
+ msecs_to_jiffies(TIMEOUT_MS));
+ if (ret < 0) {
+ pr_err("%s: wait_event timeout\n", __func__);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+ return 0;
+fail_cmd:
+ return ret;
+}
+
+int afe_start_pseudo_port(u16 port_id)
+{
+ int ret = 0;
+ struct afe_pseudoport_start_command start;
+
+ pr_info("%s: port_id=%d\n", __func__, port_id);
+
+ if (this_afe.apr == NULL) {
+ this_afe.apr = apr_register("ADSP", "AFE", afe_callback,
+ 0xFFFFFFFF, &this_afe);
+ pr_info("%s: Register AFE\n", __func__);
+ if (this_afe.apr == NULL) {
+ pr_err("%s: Unable to register AFE\n", __func__);
+ ret = -ENODEV;
+ return ret;
+ }
+ }
+
+ start.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ start.hdr.pkt_size = sizeof(start);
+ start.hdr.src_port = 0;
+ start.hdr.dest_port = 0;
+ start.hdr.token = 0;
+ start.hdr.opcode = AFE_PSEUDOPORT_CMD_START;
+ start.port_id = port_id;
+ start.timing = 1;
+
+ atomic_set(&this_afe.state, 1);
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &start);
+ if (ret < 0) {
+ pr_err("%s: AFE enable for port %d failed %d\n",
+ __func__, port_id, ret);
+ ret = -EINVAL;
+ return ret;
+ }
+
+ ret = wait_event_timeout(this_afe.wait,
+ (atomic_read(&this_afe.state) == 0),
+ msecs_to_jiffies(TIMEOUT_MS));
+ if (!ret) {
+ pr_err("%s: wait_event timeout\n", __func__);
+ ret = -EINVAL;
+ return ret;
+ }
+
+ return 0;
+}
+
+int afe_stop_pseudo_port(u16 port_id)
+{
+ int ret = 0;
+ struct afe_pseudoport_stop_command stop;
+
+ pr_info("%s: port_id=%d\n", __func__, port_id);
+
+ if (this_afe.apr == NULL) {
+ pr_err("%s: AFE is already closed\n", __func__);
+ ret = -EINVAL;
+ return ret;
+ }
+
+ stop.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ stop.hdr.pkt_size = sizeof(stop);
+ stop.hdr.src_port = 0;
+ stop.hdr.dest_port = 0;
+ stop.hdr.token = 0;
+ stop.hdr.opcode = AFE_PSEUDOPORT_CMD_STOP;
+ stop.port_id = port_id;
+ stop.reserved = 0;
+
+ atomic_set(&this_afe.state, 1);
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &stop);
+ if (ret < 0) {
+ pr_err("%s: AFE close failed %d\n", __func__, ret);
+ ret = -EINVAL;
+ return ret;
+ }
+
+ ret = wait_event_timeout(this_afe.wait,
+ (atomic_read(&this_afe.state) == 0),
+ msecs_to_jiffies(TIMEOUT_MS));
+ if (!ret) {
+ pr_err("%s: wait_event timeout\n", __func__);
+ ret = -EINVAL;
+ return ret;
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_DEBUG_FS
+static struct dentry *debugfs_afelb;
+static struct dentry *debugfs_afelb_gain;
+
+static int afe_debug_open(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ pr_info("debug intf %s\n", (char *) file->private_data);
+ return 0;
+}
+
+static int afe_get_parameters(char *buf, long int *param1, int num_of_par)
+{
+ char *token;
+ int base, cnt;
+
+ token = strsep(&buf, " ");
+
+ for (cnt = 0; cnt < num_of_par; cnt++) {
+ if (token != NULL) {
+ if ((token[1] == 'x') || (token[1] == 'X'))
+ base = 16;
+ else
+ base = 10;
+
+ if (strict_strtoul(token, base, ¶m1[cnt]) != 0)
+ return -EINVAL;
+
+ token = strsep(&buf, " ");
+ } else
+ return -EINVAL;
+ }
+ return 0;
+}
+#define AFE_LOOPBACK_ON (1)
+#define AFE_LOOPBACK_OFF (0)
+static ssize_t afe_debug_write(struct file *filp,
+ const char __user *ubuf, size_t cnt, loff_t *ppos)
+{
+ char *lb_str = filp->private_data;
+ char lbuf[32];
+ int rc;
+ unsigned long param[5];
+
+ if (cnt > sizeof(lbuf) - 1)
+ return -EINVAL;
+
+ rc = copy_from_user(lbuf, ubuf, cnt);
+ if (rc)
+ return -EFAULT;
+
+ lbuf[cnt] = '\0';
+
+ if (!strcmp(lb_str, "afe_loopback")) {
+ rc = afe_get_parameters(lbuf, param, 3);
+ if (!rc) {
+ pr_info("%s %lu %lu %lu\n", lb_str, param[0], param[1],
+ param[2]);
+
+ if ((param[0] != AFE_LOOPBACK_ON) && (param[0] !=
+ AFE_LOOPBACK_OFF)) {
+ pr_err("%s: Error, parameter 0 incorrect\n",
+ __func__);
+ rc = -EINVAL;
+ goto afe_error;
+ }
+ if ((afe_validate_port(param[1]) < 0) ||
+ (afe_validate_port(param[2])) < 0) {
+ pr_err("%s: Error, invalid afe port\n",
+ __func__);
+ }
+ if (this_afe.apr == NULL) {
+ pr_err("%s: Error, AFE not opened\n", __func__);
+ rc = -EINVAL;
+ } else {
+ rc = afe_loopback(param[0], param[1], param[2]);
+ }
+ } else {
+ pr_err("%s: Error, invalid parameters\n", __func__);
+ rc = -EINVAL;
+ }
+
+ } else if (!strcmp(lb_str, "afe_loopback_gain")) {
+ rc = afe_get_parameters(lbuf, param, 2);
+ if (!rc) {
+ pr_info("%s %lu %lu\n", lb_str, param[0], param[1]);
+
+ if (afe_validate_port(param[0]) < 0) {
+ pr_err("%s: Error, invalid afe port\n",
+ __func__);
+ rc = -EINVAL;
+ goto afe_error;
+ }
+
+ if (param[1] < 0 || param[1] > 100) {
+ pr_err("%s: Error, volume shoud be 0 to 100"
+ " percentage param = %lu\n",
+ __func__, param[1]);
+ rc = -EINVAL;
+ goto afe_error;
+ }
+
+ param[1] = (Q6AFE_MAX_VOLUME * param[1]) / 100;
+
+ if (this_afe.apr == NULL) {
+ pr_err("%s: Error, AFE not opened\n", __func__);
+ rc = -EINVAL;
+ } else {
+ rc = afe_loopback_gain(param[0], param[1]);
+ }
+ } else {
+ pr_err("%s: Error, invalid parameters\n", __func__);
+ rc = -EINVAL;
+ }
+ }
+
+afe_error:
+ if (rc == 0)
+ rc = cnt;
+ else
+ pr_err("%s: rc = %d\n", __func__, rc);
+
+ return rc;
+}
+
+static const struct file_operations afe_debug_fops = {
+ .open = afe_debug_open,
+ .write = afe_debug_write
+};
+#endif
+int afe_sidetone(u16 tx_port_id, u16 rx_port_id, u16 enable, uint16_t gain)
+{
+ struct afe_port_sidetone_command cmd_sidetone;
+ int ret = 0;
+
+ pr_info("%s: tx_port_id:%d rx_port_id:%d enable:%d gain:%d\n", __func__,
+ tx_port_id, rx_port_id, enable, gain);
+ cmd_sidetone.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ cmd_sidetone.hdr.pkt_size = sizeof(cmd_sidetone);
+ cmd_sidetone.hdr.src_port = 0;
+ cmd_sidetone.hdr.dest_port = 0;
+ cmd_sidetone.hdr.token = 0;
+ cmd_sidetone.hdr.opcode = AFE_PORT_CMD_SIDETONE_CTL;
+ cmd_sidetone.tx_port_id = tx_port_id;
+ cmd_sidetone.rx_port_id = rx_port_id;
+ cmd_sidetone.gain = gain;
+ cmd_sidetone.enable = enable;
+
+ atomic_set(&this_afe.state, 1);
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &cmd_sidetone);
+ if (ret < 0) {
+ pr_err("%s: AFE sidetone failed for tx_port:%d rx_port:%d\n",
+ __func__, tx_port_id, rx_port_id);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ ret = wait_event_timeout(this_afe.wait,
+ (atomic_read(&this_afe.state) == 0),
+ msecs_to_jiffies(TIMEOUT_MS));
+ if (ret < 0) {
+ pr_err("%s: wait_event timeout\n", __func__);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+ return 0;
+fail_cmd:
+ return ret;
+}
+
+int afe_port_stop_nowait(int port_id)
+{
+ struct afe_port_stop_command stop;
+ int ret = 0;
+
+ if (this_afe.apr == NULL) {
+ pr_err("AFE is already closed\n");
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+ pr_info("%s: port_id=%d\n", __func__, port_id);
+ stop.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ stop.hdr.pkt_size = sizeof(stop);
+ stop.hdr.src_port = 0;
+ stop.hdr.dest_port = 0;
+ stop.hdr.token = 0;
+ stop.hdr.opcode = AFE_PORT_CMD_STOP;
+ stop.port_id = port_id;
+ stop.reserved = 0;
+
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &stop);
+
+ if (ret == -ENETRESET) {
+ pr_info("%s: Need to reset, calling APR deregister", __func__);
+ return apr_deregister(this_afe.apr);
+ } else if (IS_ERR_VALUE(ret)) {
+ pr_err("%s: AFE close failed\n", __func__);
+ ret = -EINVAL;
+ }
+
+fail_cmd:
+ return ret;
+
+}
+
+int afe_close(int port_id)
+{
+ struct afe_port_stop_command stop;
+ int ret = 0;
+
+ if (this_afe.apr == NULL) {
+ pr_err("AFE is already closed\n");
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+ pr_info("%s: port_id=%d\n", __func__, port_id);
+ stop.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ stop.hdr.pkt_size = sizeof(stop);
+ stop.hdr.src_port = 0;
+ stop.hdr.dest_port = 0;
+ stop.hdr.token = 0;
+ stop.hdr.opcode = AFE_PORT_CMD_STOP;
+ stop.port_id = port_id;
+ stop.reserved = 0;
+
+ atomic_set(&this_afe.state, 1);
+ ret = apr_send_pkt(this_afe.apr, (uint32_t *) &stop);
+
+ if (ret == -ENETRESET) {
+ pr_info("%s: Need to reset, calling APR deregister", __func__);
+ return apr_deregister(this_afe.apr);
+ }
+
+ if (ret < 0) {
+ pr_err("%s: AFE close failed\n", __func__);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+
+ ret = wait_event_timeout(this_afe.wait,
+ (atomic_read(&this_afe.state) == 0),
+ msecs_to_jiffies(TIMEOUT_MS));
+ if (!ret) {
+ pr_err("%s: wait_event timeout\n", __func__);
+ ret = -EINVAL;
+ goto fail_cmd;
+ }
+fail_cmd:
+ return ret;
+}
+
+static int __init afe_init(void)
+{
+ init_waitqueue_head(&this_afe.wait);
+ atomic_set(&this_afe.state, 0);
+ atomic_set(&this_afe.status, 0);
+ this_afe.apr = NULL;
+#ifdef CONFIG_DEBUG_FS
+ debugfs_afelb = debugfs_create_file("afe_loopback",
+ S_IFREG | S_IWUGO, NULL, (void *) "afe_loopback",
+ &afe_debug_fops);
+
+ debugfs_afelb_gain = debugfs_create_file("afe_loopback_gain",
+ S_IFREG | S_IWUGO, NULL, (void *) "afe_loopback_gain",
+ &afe_debug_fops);
+
+
+#endif
+ return 0;
+}
+
+static void __exit afe_exit(void)
+{
+#ifdef CONFIG_DEBUG_FS
+ if (debugfs_afelb)
+ debugfs_remove(debugfs_afelb);
+ if (debugfs_afelb_gain)
+ debugfs_remove(debugfs_afelb_gain);
+#endif
+}
+
+device_initcall(afe_init);
+__exitcall(afe_exit);