645 lines
16 KiB
C
645 lines
16 KiB
C
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/*
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** =============================================================================
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** Copyright (c) 2016 Texas Instruments Inc.
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**
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** This program is free software; you can redistribute it and/or modify it under
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** the terms of the GNU General Public License as published by the Free Software
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** Foundation; version 2.
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**
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** This program is distributed in the hope that it will be useful, but WITHOUT
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** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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** FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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**
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** File:
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** tas2557-misc.c
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**
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** Description:
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** misc driver for Texas Instruments TAS2557 High Performance 4W Smart Amplifier
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**
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** =============================================================================
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*/
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#ifdef CONFIG_TAS2557_MISC_STEREO
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#define DEBUG
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/regulator/consumer.h>
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#include <linux/firmware.h>
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#include <linux/regmap.h>
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#include <linux/of.h>
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#include <linux/of_gpio.h>
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#include <linux/slab.h>
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#include <linux/syscalls.h>
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#include <linux/fcntl.h>
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#include <linux/miscdevice.h>
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#include <linux/uaccess.h>
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#include "tas2557.h"
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#include "tas2557-core.h"
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#include "tas2557-misc.h"
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#include <linux/dma-mapping.h>
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static int g_logEnable = 1;
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static struct tas2557_priv *g_tas2557;
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static int tas2557_file_open(struct inode *inode, struct file *file)
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{
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struct tas2557_priv *pTAS2557 = g_tas2557;
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if (!try_module_get(THIS_MODULE))
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return -ENODEV;
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file->private_data = (void *)pTAS2557;
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if (g_logEnable)
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dev_info(pTAS2557->dev, "%s\n", __func__);
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return 0;
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}
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static int tas2557_file_release(struct inode *inode, struct file *file)
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{
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struct tas2557_priv *pTAS2557 = (struct tas2557_priv *)file->private_data;
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if (g_logEnable)
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dev_info(pTAS2557->dev, "%s\n", __func__);
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file->private_data = (void *)NULL;
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module_put(THIS_MODULE);
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return 0;
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}
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static ssize_t tas2557_file_read(struct file *file, char *buf, size_t count, loff_t *ppos)
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{
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struct tas2557_priv *pTAS2557 = (struct tas2557_priv *)file->private_data;
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int ret = 0;
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unsigned int nValue = 0;
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unsigned char value = 0;
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unsigned char *p_kBuf = NULL;
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mutex_lock(&pTAS2557->file_lock);
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switch (pTAS2557->mnDBGCmd) {
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case TIAUDIO_CMD_REG_READ: {
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if (g_logEnable)
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dev_info(pTAS2557->dev, "TIAUDIO_CMD_REG_READ: chn[%d], current_reg = 0x%x, count=%d\n",
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pTAS2557->mnCurrentChannel, pTAS2557->mnCurrentReg, (int)count);
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if (count == 1) {
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ret = pTAS2557->read(pTAS2557, pTAS2557->mnCurrentChannel,
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pTAS2557->mnCurrentReg, &nValue);
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if (ret < 0) {
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dev_err(pTAS2557->dev, "dev read fail %d\n", ret);
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break;
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}
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value = (u8)nValue;
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if (g_logEnable)
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dev_info(pTAS2557->dev,
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"TIAUDIO_CMD_REG_READ: nValue=0x%x, value=0x%x\n", nValue, value);
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ret = copy_to_user(buf, &value, 1);
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if (ret != 0) {
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/* Failed to copy all the data, exit */
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dev_err(pTAS2557->dev, "copy to user fail %d\n", ret);
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}
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} else if (count > 1) {
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p_kBuf = kzalloc(count, GFP_KERNEL);
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if (p_kBuf != NULL) {
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ret = pTAS2557->bulk_read(pTAS2557, pTAS2557->mnCurrentChannel,
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pTAS2557->mnCurrentReg, p_kBuf, count);
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if (ret < 0) {
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dev_err(pTAS2557->dev, "dev bulk read fail %d\n", ret);
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} else {
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ret = copy_to_user(buf, p_kBuf, count);
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if (ret != 0) {
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/* Failed to copy all the data, exit */
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dev_err(pTAS2557->dev, "copy to user fail %d\n", ret);
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}
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}
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kfree(p_kBuf);
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} else {
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dev_err(pTAS2557->dev, "read no mem\n");
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}
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}
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}
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break;
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case TIAUDIO_CMD_PROGRAM: {
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if ((pTAS2557->mpFirmware->mnConfigurations > 0)
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&& (pTAS2557->mpFirmware->mnPrograms > 0)) {
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if (g_logEnable)
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dev_info(pTAS2557->dev, "TIAUDIO_CMD_PROGRAM: count = %d\n", (int)count);
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if (count == PROGRAM_BUF_SIZE) {
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p_kBuf = kzalloc(count, GFP_KERNEL);
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if (p_kBuf != NULL) {
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struct TProgram *pProgram =
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&(pTAS2557->mpFirmware->mpPrograms[pTAS2557->mnCurrentProgram]);
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p_kBuf[0] = pTAS2557->mpFirmware->mnPrograms;
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p_kBuf[1] = pTAS2557->mnCurrentProgram;
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p_kBuf[2] = pProgram->mnAppMode;
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p_kBuf[3] = (pProgram->mnBoost&0xff00)>>8;
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p_kBuf[4] = (pProgram->mnBoost&0x00ff);
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memcpy(&p_kBuf[5], pProgram->mpName, FW_NAME_SIZE);
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strlcpy(&p_kBuf[5+FW_NAME_SIZE], pProgram->mpDescription, strlen(pProgram->mpDescription) + 1);
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ret = copy_to_user(buf, p_kBuf, count);
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if (ret != 0) {
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/* Failed to copy all the data, exit */
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dev_err(pTAS2557->dev, "copy to user fail %d\n", ret);
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}
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kfree(p_kBuf);
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} else
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dev_err(pTAS2557->dev, "read no mem\n");
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} else
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dev_err(pTAS2557->dev, "read buffer not sufficient\n");
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} else
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dev_err(pTAS2557->dev, "%s, firmware not loaded\n", __func__);
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}
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break;
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case TIAUDIO_CMD_CONFIGURATION: {
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if ((pTAS2557->mpFirmware->mnConfigurations > 0)
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&& (pTAS2557->mpFirmware->mnPrograms > 0)) {
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if (g_logEnable)
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dev_info(pTAS2557->dev, "TIAUDIO_CMD_CONFIGURATION: count = %d\n", (int)count);
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if (count == CONFIGURATION_BUF_SIZE) {
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p_kBuf = kzalloc(count, GFP_KERNEL);
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if (p_kBuf != NULL) {
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struct TConfiguration *pConfiguration = &(pTAS2557->mpFirmware->mpConfigurations[pTAS2557->mnCurrentConfiguration]);
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p_kBuf[0] = pTAS2557->mpFirmware->mnConfigurations;
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p_kBuf[1] = pTAS2557->mnCurrentConfiguration;
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memcpy(&p_kBuf[2], pConfiguration->mpName, FW_NAME_SIZE);
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p_kBuf[2+FW_NAME_SIZE] = pConfiguration->mnProgram;
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p_kBuf[3+FW_NAME_SIZE] = pConfiguration->mnPLL;
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p_kBuf[4+FW_NAME_SIZE] = (pConfiguration->mnSamplingRate&0x000000ff);
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p_kBuf[5+FW_NAME_SIZE] = ((pConfiguration->mnSamplingRate&0x0000ff00)>>8);
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p_kBuf[6+FW_NAME_SIZE] = ((pConfiguration->mnSamplingRate&0x00ff0000)>>16);
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p_kBuf[7+FW_NAME_SIZE] = ((pConfiguration->mnSamplingRate&0xff000000)>>24);
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strlcpy(&p_kBuf[8+FW_NAME_SIZE], pConfiguration->mpDescription, strlen(pConfiguration->mpDescription)+1);
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ret = copy_to_user(buf, p_kBuf, count);
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if (ret != 0) {
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/* Failed to copy all the data, exit */
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dev_err(pTAS2557->dev, "copy to user fail %d\n", ret);
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}
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kfree(p_kBuf);
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} else
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dev_err(pTAS2557->dev, "read no mem\n");
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} else
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dev_err(pTAS2557->dev, "read buffer not sufficient\n");
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} else
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dev_err(pTAS2557->dev, "%s, firmware not loaded\n", __func__);
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}
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break;
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case TIAUDIO_CMD_FW_TIMESTAMP:
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{
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if (g_logEnable)
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dev_info(pTAS2557->dev,
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"TIAUDIO_CMD_FW_TIMESTAMP: count = %d\n", (int)count);
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if (count == 4) {
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p_kBuf = kzalloc(count, GFP_KERNEL);
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if (p_kBuf != NULL) {
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p_kBuf[0] = (pTAS2557->mpFirmware->mnTimeStamp&0x000000ff);
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p_kBuf[1] = ((pTAS2557->mpFirmware->mnTimeStamp&0x0000ff00)>>8);
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p_kBuf[2] = ((pTAS2557->mpFirmware->mnTimeStamp&0x00ff0000)>>16);
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p_kBuf[3] = ((pTAS2557->mpFirmware->mnTimeStamp&0xff000000)>>24);
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ret = copy_to_user(buf, p_kBuf, count);
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if (ret != 0) {
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/* Failed to copy all the data, exit */
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dev_err(pTAS2557->dev, "copy to user fail %d\n", ret);
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}
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kfree(p_kBuf);
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} else {
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dev_err(pTAS2557->dev, "read no mem\n");
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}
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}
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}
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break;
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case TIAUDIO_CMD_CALIBRATION: {
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if (g_logEnable)
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dev_info(pTAS2557->dev,
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"TIAUDIO_CMD_CALIBRATION: count = %d\n",
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(int)count);
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if (count == 1) {
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unsigned char curCal = pTAS2557->mnCurrentCalibration;
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ret = copy_to_user(buf, &curCal, 1);
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if (ret != 0) {
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/* Failed to copy all the data, exit */
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dev_err(pTAS2557->dev, "copy to user fail %d\n", ret);
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}
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}
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}
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break;
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case TIAUDIO_CMD_SAMPLERATE:
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{
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if (g_logEnable)
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dev_info(pTAS2557->dev,
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"TIAUDIO_CMD_SAMPLERATE: count = %d\n",
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(int)count);
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if (count == 4) {
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p_kBuf = kzalloc(count, GFP_KERNEL);
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if (p_kBuf != NULL) {
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struct TConfiguration *pConfiguration =
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&(pTAS2557->mpFirmware->mpConfigurations[pTAS2557->mnCurrentConfiguration]);
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p_kBuf[0] = (pConfiguration->mnSamplingRate&0x000000ff);
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p_kBuf[1] = ((pConfiguration->mnSamplingRate&0x0000ff00)>>8);
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p_kBuf[2] = ((pConfiguration->mnSamplingRate&0x00ff0000)>>16);
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p_kBuf[3] = ((pConfiguration->mnSamplingRate&0xff000000)>>24);
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ret = copy_to_user(buf, p_kBuf, count);
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if (ret != 0) {
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/* Failed to copy all the data, exit */
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dev_err(pTAS2557->dev, "copy to user fail %d\n", ret);
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}
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kfree(p_kBuf);
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} else {
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dev_err(pTAS2557->dev, "read no mem\n");
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}
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}
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}
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break;
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case TIAUDIO_CMD_BITRATE:
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{
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if (g_logEnable)
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dev_info(pTAS2557->dev,
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"TIAUDIO_CMD_BITRATE: count = %d\n", (int)count);
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if (count == 1) {
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unsigned char bitRate = 0;
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tas2557_get_bit_rate(pTAS2557, pTAS2557->mnCurrentChannel, &bitRate);
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ret = copy_to_user(buf, &bitRate, 1);
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if (ret != 0) {
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/* Failed to copy all the data, exit */
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dev_err(pTAS2557->dev, "copy to user fail %d\n", ret);
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}
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}
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}
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break;
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case TIAUDIO_CMD_DACVOLUME:
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{
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if (g_logEnable)
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dev_info(pTAS2557->dev,
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"TIAUDIO_CMD_DACVOLUME: count = %d\n",
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(int)count);
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if (count == 1) {
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unsigned char volume = 0;
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ret = tas2557_get_DAC_gain(pTAS2557, pTAS2557->mnCurrentChannel, &volume);
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if (ret >= 0) {
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ret = copy_to_user(buf, &volume, 1);
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if (ret != 0) {
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/* Failed to copy all the data, exit */
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dev_err(pTAS2557->dev, "copy to user fail %d\n", ret);
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}
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}
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}
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}
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break;
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}
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pTAS2557->mnDBGCmd = 0;
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mutex_unlock(&pTAS2557->file_lock);
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return count;
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}
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static ssize_t tas2557_file_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
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{
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struct tas2557_priv *pTAS2557 = (struct tas2557_priv *)file->private_data;
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int ret = 0;
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unsigned char *p_kBuf = NULL;
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unsigned int reg = 0;
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enum channel chl;
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unsigned int len = 0;
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mutex_lock(&pTAS2557->file_lock);
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p_kBuf = kzalloc(count, GFP_KERNEL);
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if (p_kBuf == NULL) {
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dev_err(pTAS2557->dev, "write no mem\n");
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goto err;
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}
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ret = copy_from_user(p_kBuf, buf, count);
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if (ret != 0) {
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|
|
dev_err(pTAS2557->dev, "copy_from_user failed.\n");
|
||
|
|
goto err;
|
||
|
|
}
|
||
|
|
|
||
|
|
pTAS2557->mnDBGCmd = p_kBuf[0];
|
||
|
|
switch (pTAS2557->mnDBGCmd) {
|
||
|
|
case TIAUDIO_CMD_REG_WITE:
|
||
|
|
if (count > 6) {
|
||
|
|
chl = p_kBuf[1];
|
||
|
|
reg = ((unsigned int)p_kBuf[2] << 24)
|
||
|
|
+ ((unsigned int)p_kBuf[3] << 16)
|
||
|
|
+ ((unsigned int)p_kBuf[4] << 8)
|
||
|
|
+ (unsigned int)p_kBuf[5];
|
||
|
|
len = count - 6;
|
||
|
|
if (len == 1) {
|
||
|
|
ret = pTAS2557->write(pTAS2557,
|
||
|
|
chl, reg, p_kBuf[6]);
|
||
|
|
if (g_logEnable)
|
||
|
|
dev_info(pTAS2557->dev,
|
||
|
|
"TIAUDIO_CMD_REG_WITE,chn[%d], Reg=0x%x, Val=0x%x\n",
|
||
|
|
chl, reg, p_kBuf[6]);
|
||
|
|
} else {
|
||
|
|
ret = pTAS2557->bulk_write(pTAS2557,
|
||
|
|
chl, reg, &p_kBuf[6], len);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
dev_err(pTAS2557->dev, "%s, write len fail, count=%d.\n",
|
||
|
|
__func__, (int)count);
|
||
|
|
}
|
||
|
|
pTAS2557->mnDBGCmd = 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_REG_READ:
|
||
|
|
if (count == 6) {
|
||
|
|
pTAS2557->mnCurrentChannel = p_kBuf[1];
|
||
|
|
pTAS2557->mnCurrentReg = ((unsigned int)p_kBuf[2] << 24)
|
||
|
|
+ ((unsigned int)p_kBuf[3] << 16)
|
||
|
|
+ ((unsigned int)p_kBuf[4] << 8)
|
||
|
|
+ (unsigned int)p_kBuf[5];
|
||
|
|
if (g_logEnable) {
|
||
|
|
dev_info(pTAS2557->dev,
|
||
|
|
"TIAUDIO_CMD_REG_READ chl[%d], whole=0x%x\n",
|
||
|
|
pTAS2557->mnCurrentChannel,
|
||
|
|
pTAS2557->mnCurrentReg);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
dev_err(pTAS2557->dev, "read len fail.\n");
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_DEBUG_ON:
|
||
|
|
{
|
||
|
|
if (count == 2)
|
||
|
|
g_logEnable = p_kBuf[1];
|
||
|
|
|
||
|
|
pTAS2557->mnDBGCmd = 0;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_PROGRAM:
|
||
|
|
{
|
||
|
|
if (count == 2) {
|
||
|
|
if ((pTAS2557->mpFirmware->mnConfigurations > 0)
|
||
|
|
&& (pTAS2557->mpFirmware->mnPrograms > 0)) {
|
||
|
|
int config = -1;
|
||
|
|
|
||
|
|
if (p_kBuf[1] == pTAS2557->mnCurrentProgram)
|
||
|
|
config = pTAS2557->mnCurrentConfiguration;
|
||
|
|
if (g_logEnable)
|
||
|
|
dev_info(pTAS2557->dev, "TIAUDIO_CMD_PROGRAM, set to %d, cfg=%d\n", p_kBuf[1], config);
|
||
|
|
tas2557_set_program(pTAS2557, p_kBuf[1], config);
|
||
|
|
pTAS2557->mnDBGCmd = 0;
|
||
|
|
} else
|
||
|
|
dev_err(pTAS2557->dev, "%s, firmware not loaded\n", __func__);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_CONFIGURATION:
|
||
|
|
{
|
||
|
|
if (count == 2) {
|
||
|
|
if ((pTAS2557->mpFirmware->mnConfigurations > 0)
|
||
|
|
&& (pTAS2557->mpFirmware->mnPrograms > 0)) {
|
||
|
|
if (g_logEnable)
|
||
|
|
dev_info(pTAS2557->dev, "TIAUDIO_CMD_CONFIGURATION, set to %d\n", p_kBuf[1]);
|
||
|
|
tas2557_set_config(pTAS2557, p_kBuf[1]);
|
||
|
|
pTAS2557->mnDBGCmd = 0;
|
||
|
|
} else
|
||
|
|
dev_err(pTAS2557->dev, "%s, firmware not loaded\n", __func__);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_FW_TIMESTAMP:
|
||
|
|
/*let go*/
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_CALIBRATION:
|
||
|
|
{
|
||
|
|
if (count == 2) {
|
||
|
|
if ((pTAS2557->mpFirmware->mnConfigurations > 0)
|
||
|
|
&& (pTAS2557->mpFirmware->mnPrograms > 0)) {
|
||
|
|
if (g_logEnable)
|
||
|
|
dev_info(pTAS2557->dev, "TIAUDIO_CMD_CALIBRATION, set to %d\n", p_kBuf[1]);
|
||
|
|
tas2557_set_calibration(pTAS2557, p_kBuf[1]);
|
||
|
|
pTAS2557->mnDBGCmd = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_SAMPLERATE:
|
||
|
|
{
|
||
|
|
if (count == 5) {
|
||
|
|
unsigned int nSampleRate = ((unsigned int)p_kBuf[1] << 24) +
|
||
|
|
((unsigned int)p_kBuf[2] << 16) +
|
||
|
|
((unsigned int)p_kBuf[3] << 8) +
|
||
|
|
(unsigned int)p_kBuf[4];
|
||
|
|
if (g_logEnable)
|
||
|
|
dev_info(pTAS2557->dev, "TIAUDIO_CMD_SAMPLERATE, set to %d\n", nSampleRate);
|
||
|
|
|
||
|
|
tas2557_set_sampling_rate(pTAS2557, nSampleRate);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_BITRATE:
|
||
|
|
{
|
||
|
|
pTAS2557->mnCurrentChannel = p_kBuf[1];
|
||
|
|
if (count == 3) {
|
||
|
|
if (g_logEnable)
|
||
|
|
dev_info(pTAS2557->dev, "TIAUDIO_CMD_BITRATE, set to %d\n", p_kBuf[1]);
|
||
|
|
|
||
|
|
tas2557_set_bit_rate(pTAS2557, pTAS2557->mnCurrentChannel, p_kBuf[2]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_DACVOLUME:
|
||
|
|
{
|
||
|
|
pTAS2557->mnCurrentChannel = p_kBuf[1];
|
||
|
|
if (count == 3) {
|
||
|
|
unsigned char volume;
|
||
|
|
|
||
|
|
volume = (p_kBuf[2] & 0x0f);
|
||
|
|
if (g_logEnable)
|
||
|
|
dev_info(pTAS2557->dev, "TIAUDIO_CMD_DACVOLUME, set to %d\n", volume);
|
||
|
|
|
||
|
|
tas2557_set_DAC_gain(pTAS2557, pTAS2557->mnCurrentChannel, volume);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_SPEAKER:
|
||
|
|
{
|
||
|
|
if (count == 2) {
|
||
|
|
if (g_logEnable)
|
||
|
|
dev_info(pTAS2557->dev,
|
||
|
|
"TIAUDIO_CMD_SPEAKER, set to %d\n",
|
||
|
|
p_kBuf[1]);
|
||
|
|
tas2557_enable(pTAS2557, (p_kBuf[1] > 0));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_FW_RELOAD:
|
||
|
|
{
|
||
|
|
if (count == 1) {
|
||
|
|
ret = request_firmware_nowait(THIS_MODULE, 1, TAS2557_FW_NAME,
|
||
|
|
pTAS2557->dev, GFP_KERNEL, pTAS2557, tas2557_fw_ready);
|
||
|
|
|
||
|
|
if (g_logEnable)
|
||
|
|
dev_info(pTAS2557->dev,
|
||
|
|
"TIAUDIO_CMD_FW_RELOAD: ret = %d\n",
|
||
|
|
ret);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TIAUDIO_CMD_SUSPEND:
|
||
|
|
{
|
||
|
|
if (count == 2) {
|
||
|
|
bool bSuspend = (p_kBuf[1] != 0);
|
||
|
|
|
||
|
|
if (bSuspend)
|
||
|
|
pTAS2557->runtime_suspend(pTAS2557);
|
||
|
|
else
|
||
|
|
pTAS2557->runtime_resume(pTAS2557);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
pTAS2557->mnDBGCmd = 0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
err:
|
||
|
|
if (p_kBuf != NULL)
|
||
|
|
kfree(p_kBuf);
|
||
|
|
|
||
|
|
mutex_unlock(&pTAS2557->file_lock);
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static long tas2557_file_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
|
||
|
|
{
|
||
|
|
struct tas2557_priv *pTAS2557 = file->private_data;
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
mutex_lock(&pTAS2557->file_lock);
|
||
|
|
|
||
|
|
switch (cmd) {
|
||
|
|
case SMARTPA_SPK_DAC_VOLUME:
|
||
|
|
{
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SMARTPA_SPK_POWER_ON:
|
||
|
|
{
|
||
|
|
tas2557_enable(pTAS2557, true);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SMARTPA_SPK_POWER_OFF:
|
||
|
|
{
|
||
|
|
tas2557_enable(pTAS2557, false);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SMARTPA_SPK_SWITCH_PROGRAM:
|
||
|
|
{
|
||
|
|
if ((pTAS2557->mpFirmware->mnConfigurations > 0)
|
||
|
|
&& (pTAS2557->mpFirmware->mnPrograms > 0))
|
||
|
|
tas2557_set_program(pTAS2557, arg, -1);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SMARTPA_SPK_SWITCH_CONFIGURATION:
|
||
|
|
{
|
||
|
|
if ((pTAS2557->mpFirmware->mnConfigurations > 0)
|
||
|
|
&& (pTAS2557->mpFirmware->mnPrograms > 0))
|
||
|
|
tas2557_set_config(pTAS2557, arg);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SMARTPA_SPK_SWITCH_CALIBRATION:
|
||
|
|
{
|
||
|
|
if ((pTAS2557->mpFirmware->mnConfigurations > 0)
|
||
|
|
&& (pTAS2557->mpFirmware->mnPrograms > 0))
|
||
|
|
tas2557_set_calibration(pTAS2557, arg);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SMARTPA_SPK_SET_SAMPLERATE:
|
||
|
|
{
|
||
|
|
tas2557_set_sampling_rate(pTAS2557, arg);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SMARTPA_SPK_SET_BITRATE:
|
||
|
|
{
|
||
|
|
tas2557_set_bit_rate(pTAS2557, channel_both, arg);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
mutex_unlock(&pTAS2557->file_lock);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct file_operations fops = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.read = tas2557_file_read,
|
||
|
|
.write = tas2557_file_write,
|
||
|
|
.unlocked_ioctl = tas2557_file_unlocked_ioctl,
|
||
|
|
.open = tas2557_file_open,
|
||
|
|
.release = tas2557_file_release,
|
||
|
|
};
|
||
|
|
|
||
|
|
#define MODULE_NAME "tas2557s"
|
||
|
|
static struct miscdevice tas2557_misc = {
|
||
|
|
.minor = MISC_DYNAMIC_MINOR,
|
||
|
|
.name = MODULE_NAME,
|
||
|
|
.fops = &fops,
|
||
|
|
};
|
||
|
|
|
||
|
|
int tas2557_register_misc(struct tas2557_priv *pTAS2557)
|
||
|
|
{
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
g_tas2557 = pTAS2557;
|
||
|
|
|
||
|
|
ret = misc_register(&tas2557_misc);
|
||
|
|
if (ret)
|
||
|
|
dev_err(pTAS2557->dev, "TAS2557 misc fail: %d\n", ret);
|
||
|
|
|
||
|
|
dev_info(pTAS2557->dev, "%s, leave\n", __func__);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
int tas2557_deregister_misc(struct tas2557_priv *pTAS2557)
|
||
|
|
{
|
||
|
|
misc_deregister(&tas2557_misc);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Texas Instruments Inc.");
|
||
|
|
MODULE_DESCRIPTION("TAS2557 Misc Smart Amplifier driver");
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
#endif
|