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139 lines
3.9 KiB
139 lines
3.9 KiB
/* Copyright (c) 2014, 2016-2017 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/err.h>
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#include <linux/module.h>
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#include <sound/hwdep.h>
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#include <sound/devdep_params.h>
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#include "msm-pcm-routing-devdep.h"
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#include "msm-ds2-dap-config.h"
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#ifdef CONFIG_SND_HWDEP
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static int msm_pcm_routing_hwdep_open(struct snd_hwdep *hw, struct file *file)
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{
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pr_debug("%s\n", __func__);
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msm_ds2_dap_update_port_parameters(hw, file, true);
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return 0;
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}
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static int msm_pcm_routing_hwdep_release(struct snd_hwdep *hw,
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struct file *file)
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{
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pr_debug("%s\n", __func__);
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msm_ds2_dap_update_port_parameters(hw, file, false);
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return 0;
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}
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static int msm_pcm_routing_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
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unsigned int cmd, unsigned long arg)
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{
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int ret = 0;
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void __user *argp = (void __user *)arg;
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pr_debug("%s:cmd %x\n", __func__, cmd);
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switch (cmd) {
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case SNDRV_DEVDEP_DAP_IOCTL_SET_PARAM:
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case SNDRV_DEVDEP_DAP_IOCTL_GET_PARAM:
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case SNDRV_DEVDEP_DAP_IOCTL_DAP_COMMAND:
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case SNDRV_DEVDEP_DAP_IOCTL_DAP_LICENSE:
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msm_pcm_routing_acquire_lock();
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ret = msm_ds2_dap_ioctl(hw, file, cmd, argp);
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msm_pcm_routing_release_lock();
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break;
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case SNDRV_DEVDEP_DAP_IOCTL_GET_VISUALIZER:
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ret = msm_ds2_dap_ioctl(hw, file, cmd, argp);
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break;
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default:
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pr_err("%s called with invalid control 0x%X\n", __func__, cmd);
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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void msm_pcm_routing_hwdep_free(struct snd_pcm *pcm)
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{
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pr_debug("%s\n", __func__);
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}
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#ifdef CONFIG_COMPAT
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static int msm_pcm_routing_hwdep_compat_ioctl(struct snd_hwdep *hw,
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struct file *file,
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unsigned int cmd,
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unsigned long arg)
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{
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int ret = 0;
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void __user *argp = (void __user *)arg;
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pr_debug("%s:cmd %x\n", __func__, cmd);
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switch (cmd) {
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case SNDRV_DEVDEP_DAP_IOCTL_SET_PARAM32:
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case SNDRV_DEVDEP_DAP_IOCTL_GET_PARAM32:
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case SNDRV_DEVDEP_DAP_IOCTL_DAP_COMMAND32:
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case SNDRV_DEVDEP_DAP_IOCTL_DAP_LICENSE32:
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msm_pcm_routing_acquire_lock();
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ret = msm_ds2_dap_compat_ioctl(hw, file, cmd, argp);
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msm_pcm_routing_release_lock();
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break;
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case SNDRV_DEVDEP_DAP_IOCTL_GET_VISUALIZER32:
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ret = msm_ds2_dap_compat_ioctl(hw, file, cmd, argp);
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break;
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default:
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pr_err("%s called with invalid control 0x%X\n", __func__, cmd);
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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#endif
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int msm_pcm_routing_hwdep_new(struct snd_soc_pcm_runtime *runtime,
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struct msm_pcm_routing_bdai_data *msm_bedais)
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{
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struct snd_hwdep *hwdep;
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struct snd_soc_dai_link *dai_link = runtime->dai_link;
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int rc;
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if (dai_link->id < 0 ||
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dai_link->id >= MSM_BACKEND_DAI_MAX) {
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pr_err("%s:BE id %d invalid index\n",
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__func__, dai_link->id);
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return -EINVAL;
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}
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pr_debug("%s BE id %d\n", __func__, dai_link->id);
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rc = snd_hwdep_new(runtime->card->snd_card,
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msm_bedais[dai_link->id].name,
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dai_link->id, &hwdep);
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if (hwdep == NULL) {
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pr_err("%s: hwdep intf failed to create %s- hwdep NULL\n",
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__func__, msm_bedais[dai_link->id].name);
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return rc;
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}
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if (rc < 0) {
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pr_err("%s: hwdep intf failed to create %s rc %d\n", __func__,
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msm_bedais[dai_link->id].name, rc);
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return rc;
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}
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hwdep->iface = SNDRV_HWDEP_IFACE_AUDIO_BE;
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hwdep->private_data = &msm_bedais[dai_link->id];
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hwdep->ops.open = msm_pcm_routing_hwdep_open;
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hwdep->ops.ioctl = msm_pcm_routing_hwdep_ioctl;
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hwdep->ops.release = msm_pcm_routing_hwdep_release;
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#ifdef CONFIG_COMPAT
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hwdep->ops.ioctl_compat = msm_pcm_routing_hwdep_compat_ioctl;
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#endif
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return rc;
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}
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#endif
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