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/* Copyright (c) 2014, 2017 The Linux Foundation. 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/kernel.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/module.h>
#include <sound/hwdep.h>
#include <sound/devdep_params.h>
#include "msm-pcm-routing-devdep.h"
#include "msm-ds2-dap-config.h"
#ifdef CONFIG_SND_HWDEP
static int msm_pcm_routing_hwdep_open(struct snd_hwdep *hw, struct file *file)
{
pr_debug("%s\n", __func__);
msm_ds2_dap_update_port_parameters(hw, file, true);
return 0;
}
static int msm_pcm_routing_hwdep_release(struct snd_hwdep *hw,
struct file *file)
{
pr_debug("%s\n", __func__);
msm_ds2_dap_update_port_parameters(hw, file, false);
return 0;
}
static int msm_pcm_routing_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
unsigned int cmd, unsigned long arg)
{
int ret = 0;
void __user *argp = (void __user *)arg;
pr_debug("%s:cmd %x\n", __func__, cmd);
switch (cmd) {
case SNDRV_DEVDEP_DAP_IOCTL_SET_PARAM:
case SNDRV_DEVDEP_DAP_IOCTL_GET_PARAM:
case SNDRV_DEVDEP_DAP_IOCTL_DAP_COMMAND:
case SNDRV_DEVDEP_DAP_IOCTL_DAP_LICENSE:
msm_pcm_routing_acquire_lock();
ret = msm_ds2_dap_ioctl(hw, file, cmd, argp);
msm_pcm_routing_release_lock();
break;
case SNDRV_DEVDEP_DAP_IOCTL_GET_VISUALIZER:
ret = msm_ds2_dap_ioctl(hw, file, cmd, argp);
break;
default:
pr_err("%s called with invalid control 0x%X\n", __func__, cmd);
ret = -EINVAL;
break;
}
return ret;
}
void msm_pcm_routing_hwdep_free(struct snd_pcm *pcm)
{
pr_debug("%s\n", __func__);
}
#ifdef CONFIG_COMPAT
static int msm_pcm_routing_hwdep_compat_ioctl(struct snd_hwdep *hw,
struct file *file,
unsigned int cmd,
unsigned long arg)
{
int ret = 0;
void __user *argp = (void __user *)arg;
pr_debug("%s:cmd %x\n", __func__, cmd);
switch (cmd) {
case SNDRV_DEVDEP_DAP_IOCTL_SET_PARAM32:
case SNDRV_DEVDEP_DAP_IOCTL_GET_PARAM32:
case SNDRV_DEVDEP_DAP_IOCTL_DAP_COMMAND32:
case SNDRV_DEVDEP_DAP_IOCTL_DAP_LICENSE32:
msm_pcm_routing_acquire_lock();
ret = msm_ds2_dap_compat_ioctl(hw, file, cmd, argp);
msm_pcm_routing_release_lock();
break;
case SNDRV_DEVDEP_DAP_IOCTL_GET_VISUALIZER32:
ret = msm_ds2_dap_compat_ioctl(hw, file, cmd, argp);
break;
default:
pr_err("%s called with invalid control 0x%X\n", __func__, cmd);
ret = -EINVAL;
break;
}
return ret;
}
#endif
int msm_pcm_routing_hwdep_new(struct snd_soc_pcm_runtime *runtime,
struct msm_pcm_routing_bdai_data *msm_bedais)
{
struct snd_hwdep *hwdep;
struct snd_soc_dai_link *dai_link = runtime->dai_link;
int rc;
if (dai_link->be_id < 0 ||
dai_link->be_id >= MSM_BACKEND_DAI_MAX) {
pr_err("%s:be_id %d invalid index\n",
__func__, dai_link->be_id);
return -EINVAL;
}
pr_debug("%s be_id %d\n", __func__, dai_link->be_id);
rc = snd_hwdep_new(runtime->card->snd_card,
msm_bedais[dai_link->be_id].name,
dai_link->be_id, &hwdep);
if (hwdep == NULL) {
pr_err("%s: hwdep intf failed to create %s- hwdep NULL\n",
__func__, msm_bedais[dai_link->be_id].name);
return rc;
}
if (IS_ERR_VALUE(rc)) {
pr_err("%s: hwdep intf failed to create %s rc %d\n", __func__,
msm_bedais[dai_link->be_id].name, rc);
return rc;
}
hwdep->iface = SNDRV_HWDEP_IFACE_AUDIO_BE;
hwdep->private_data = &msm_bedais[dai_link->be_id];
hwdep->ops.open = msm_pcm_routing_hwdep_open;
hwdep->ops.ioctl = msm_pcm_routing_hwdep_ioctl;
hwdep->ops.release = msm_pcm_routing_hwdep_release;
#ifdef CONFIG_COMPAT
hwdep->ops.ioctl_compat = msm_pcm_routing_hwdep_compat_ioctl;
#endif
return rc;
}
#endif
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