static ssize_t snd_avc_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
ssize_t status;
struct snd_sys_ctxt *snd_sys = &the_snd_sys;
int rc = 0;
rc = snd_sys_open();
if (rc)
return rc;
mutex_lock(&snd_sys->lock);
if (sysfs_streq(buf, "enable"))
status = snd_avc_enable(1);
else if (sysfs_streq(buf, "disable"))
status = snd_avc_enable(0);
else
status = -EINVAL;
mutex_unlock(&snd_sys->lock);
rc = snd_sys_release();
if (rc)
return rc;
return status ? : size;
}
static long snd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct snd_set_device_msg dmsg;
struct snd_set_volume_msg vmsg;
struct snd_avc_ctl_msg avc_msg;
struct snd_agc_ctl_msg agc_msg;
struct msm_snd_device_config dev;
struct msm_snd_volume_config vol;
struct snd_ctxt *snd = file->private_data;
int rc = 0;
uint32_t avc, agc;
mutex_lock(&snd->lock);
switch (cmd) {
case SND_SET_DEVICE:
if (copy_from_user(&dev, (void __user *) arg, sizeof(dev))) {
MM_ERR("set device: invalid pointer\n");
rc = -EFAULT;
break;
}
dmsg.args.device = cpu_to_be32(dev.device);
dmsg.args.ear_mute = cpu_to_be32(dev.ear_mute);
dmsg.args.mic_mute = cpu_to_be32(dev.mic_mute);
if (check_mute(dev.ear_mute) < 0 ||
check_mute(dev.mic_mute) < 0) {
MM_ERR("set device: invalid mute status\n");
rc = -EINVAL;
break;
}
dmsg.args.cb_func = -1;
dmsg.args.client_data = 0;
MM_INFO("snd_set_device %d %d %d\n", dev.device,
dev.ear_mute, dev.mic_mute);
rc = msm_rpc_call(snd->ept,
SND_SET_DEVICE_PROC,
&dmsg, sizeof(dmsg), 5 * HZ);
break;
case SND_SET_VOLUME:
if (copy_from_user(&vol, (void __user *) arg, sizeof(vol))) {
MM_ERR("set volume: invalid pointer\n");
rc = -EFAULT;
break;
}
vmsg.args.device = cpu_to_be32(vol.device);
vmsg.args.method = cpu_to_be32(vol.method);
#ifdef CONFIG_HUAWEI_KERNEL
if (vol.method != SND_METHOD_VOICE&&vol.method != SND_METHOD_MIDI) {
#else
if (vol.method != SND_METHOD_VOICE) {
#endif
MM_ERR("set volume: invalid method\n");
rc = -EINVAL;
break;
}
vmsg.args.volume = cpu_to_be32(vol.volume);
vmsg.args.cb_func = -1;
vmsg.args.client_data = 0;
MM_INFO("snd_set_volume %d %d %d\n", vol.device,
vol.method, vol.volume);
rc = msm_rpc_call(snd->ept,
SND_SET_VOLUME_PROC,
&vmsg, sizeof(vmsg), 5 * HZ);
break;
case SND_AVC_CTL:
if (get_user(avc, (uint32_t __user *) arg)) {
rc = -EFAULT;
break;
} else if ((avc != 1) && (avc != 0)) {
rc = -EINVAL;
break;
}
avc_msg.args.avc_ctl = cpu_to_be32(avc);
avc_msg.args.cb_func = -1;
avc_msg.args.client_data = 0;
MM_INFO("snd_avc_ctl %d\n", avc);
rc = msm_rpc_call(snd->ept,
SND_AVC_CTL_PROC,
&avc_msg, sizeof(avc_msg), 5 * HZ);
break;
case SND_AGC_CTL:
if (get_user(agc, (uint32_t __user *) arg)) {
rc = -EFAULT;
break;
} else if ((agc != 1) && (agc != 0)) {
rc = -EINVAL;
break;
}
agc_msg.args.agc_ctl = cpu_to_be32(agc);
agc_msg.args.cb_func = -1;
agc_msg.args.client_data = 0;
MM_INFO("snd_agc_ctl %d\n", agc);
rc = msm_rpc_call(snd->ept,
SND_AGC_CTL_PROC,
&agc_msg, sizeof(agc_msg), 5 * HZ);
break;
case SND_GET_NUM_ENDPOINTS:
if (copy_to_user((void __user *)arg,
&snd->snd_epts->num, sizeof(unsigned))) {
MM_ERR("get endpoint: invalid pointer\n");
rc = -EFAULT;
}
break;
case SND_GET_ENDPOINT:
rc = get_endpoint(snd, arg);
break;
default:
MM_ERR("unknown command\n");
rc = -EINVAL;
break;
}
mutex_unlock(&snd->lock);
return rc;
}
static int snd_release(struct inode *inode, struct file *file)
{
struct snd_ctxt *snd = file->private_data;
int rc;
mutex_lock(&snd->lock);
rc = msm_rpc_close(snd->ept);
if (rc < 0)
MM_ERR("msm_rpc_close failed\n");
snd->ept = NULL;
snd->opened = 0;
mutex_unlock(&snd->lock);
return 0;
}
static int snd_sys_release(void)
{
struct snd_sys_ctxt *snd_sys = &the_snd_sys;
int rc = 0;
mutex_lock(&snd_sys->lock);
rc = msm_rpc_close(snd_sys->ept);
if (rc < 0)
MM_ERR("msm_rpc_close failed\n");
snd_sys->ept = NULL;
mutex_unlock(&snd_sys->lock);
return rc;
}
static int snd_open(struct inode *inode, struct file *file)
{
struct snd_ctxt *snd = &the_snd;
int rc = 0;
mutex_lock(&snd->lock);
if (snd->opened == 0) {
if (snd->ept == NULL) {
snd->ept = msm_rpc_connect_compatible(RPC_SND_PROG,
RPC_SND_VERS, 0);
if (IS_ERR(snd->ept)) {
rc = PTR_ERR(snd->ept);
snd->ept = NULL;
MM_ERR("failed to connect snd svc\n");
goto err;
}
}
file->private_data = snd;
snd->opened = 1;
} else {
MM_ERR("snd already opened\n");
rc = -EBUSY;
}
err:
mutex_unlock(&snd->lock);
return rc;
}
static int snd_sys_open(void)
{
struct snd_sys_ctxt *snd_sys = &the_snd_sys;
int rc = 0;
mutex_lock(&snd_sys->lock);
if (snd_sys->ept == NULL) {
snd_sys->ept = msm_rpc_connect_compatible(RPC_SND_PROG,
RPC_SND_VERS, 0);
if (IS_ERR(snd_sys->ept)) {
rc = PTR_ERR(snd_sys->ept);
snd_sys->ept = NULL;
MM_ERR("failed to connect snd svc\n");
goto err;
}
} else
MM_DBG("snd already opened\n");
err:
mutex_unlock(&snd_sys->lock);
return rc;
}
static struct file_operations snd_fops = {
.owner = THIS_MODULE,
.open = snd_open,
.release = snd_release,
.unlocked_ioctl = snd_ioctl,
};
struct miscdevice snd_misc = {
.minor = MISC_DYNAMIC_MINOR,
.name = "msm_snd",
.fops = &snd_fops,
};
static long snd_agc_enable(unsigned long arg)
{
struct snd_sys_ctxt *snd_sys = &the_snd_sys;
struct snd_agc_ctl_msg agc_msg;
int rc = 0;
if ((arg != 1) && (arg != 0))
return -EINVAL;
agc_msg.args.agc_ctl = cpu_to_be32(arg);
agc_msg.args.cb_func = -1;
agc_msg.args.client_data = 0;
MM_DBG("snd_agc_ctl %ld,%d\n", arg, agc_msg.args.agc_ctl);
rc = msm_rpc_call(snd_sys->ept,
SND_AGC_CTL_PROC,
&agc_msg, sizeof(agc_msg), 5 * HZ);
return rc;
}
static long snd_avc_enable(unsigned long arg)
{
struct snd_sys_ctxt *snd_sys = &the_snd_sys;
struct snd_avc_ctl_msg avc_msg;
int rc = 0;
if ((arg != 1) && (arg != 0))
return -EINVAL;
avc_msg.args.avc_ctl = cpu_to_be32(arg);
avc_msg.args.cb_func = -1;
avc_msg.args.client_data = 0;
MM_DBG("snd_avc_ctl %ld,%d\n", arg, avc_msg.args.avc_ctl);
rc = msm_rpc_call(snd_sys->ept,
SND_AVC_CTL_PROC,
&avc_msg, sizeof(avc_msg), 5 * HZ);
return rc;
}
static ssize_t snd_agc_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
ssize_t status;
struct snd_sys_ctxt *snd_sys = &the_snd_sys;
int rc = 0;
rc = snd_sys_open();
if (rc)
return rc;
mutex_lock(&snd_sys->lock);
if (sysfs_streq(buf, "enable"))
status = snd_agc_enable(1);
else if (sysfs_streq(buf, "disable"))
status = snd_agc_enable(0);
else
status = -EINVAL;
mutex_unlock(&snd_sys->lock);
rc = snd_sys_release();
if (rc)
return rc;
return status ? : size;
}
static ssize_t snd_avc_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
ssize_t status;
struct snd_sys_ctxt *snd_sys = &the_snd_sys;
int rc = 0;
rc = snd_sys_open();
if (rc)
return rc;
mutex_lock(&snd_sys->lock);
if (sysfs_streq(buf, "enable"))
status = snd_avc_enable(1);
else if (sysfs_streq(buf, "disable"))
status = snd_avc_enable(0);
else
status = -EINVAL;
mutex_unlock(&snd_sys->lock);
rc = snd_sys_release();
if (rc)
return rc;
return status ? : size;
}