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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-05-25 RT-Thread the first version
*/
#include <rtthread.h>
#include <rthw.h>
#include "drv_pl041.h"
#include "drv_ac97.h"
void ac97_reset(void)
{
aaci_ac97_write(AC97_RESET, 0xFFFF);
}
rt_err_t ac97_set_vol(int vol)
{
rt_uint16_t tmp = vol | (vol << 8);
if (vol < 0 || vol > 0x3f)
{
return -RT_ERROR;
}
aaci_ac97_write(AC97_MASTER, tmp);
aaci_ac97_write(AC97_HEADPHONE, tmp);
aaci_ac97_write(AC97_MASTER_MONO, tmp);
aaci_ac97_write(AC97_PCM, tmp);
return RT_EOK;
}
int ac97_get_vol(void)
{
rt_uint16_t v;
v = aaci_ac97_read(AC97_MASTER);
if (v == (~0x0))
{
v = 0;
}
return 0x3F & v;
}
rt_err_t ac97_set_rate(int rate)
{
if (rate < 0)
{
return -RT_ERROR;
}
aaci_ac97_write(AC97_PCM_FRONT_DAC_RATE, rate);
return 0;
}
int ac97_get_rate(void)
{
rt_uint16_t v;
v = aaci_ac97_read(AC97_PCM_FRONT_DAC_RATE);
if (v == (~0x0))
{
v = 0;
}
return v;
}
#if 0
#define AC97_DUMP(_v) rt_kprintf("%32s:addr:0x%08x data:0x%08x\n", #_v, (_v), (aaci_ac97_read(_v)))
int _ac97_reg_dump(int argc, char **argv)
{
AC97_DUMP(AC97_RESET);
AC97_DUMP(AC97_MASTER);
AC97_DUMP(AC97_HEADPHONE);
AC97_DUMP(AC97_MASTER_MONO);
AC97_DUMP(AC97_MASTER_TONE);
AC97_DUMP(AC97_PC_BEEP);
AC97_DUMP(AC97_PHONE);
AC97_DUMP(AC97_MIC);
AC97_DUMP(AC97_LINE);
AC97_DUMP(AC97_CD);
AC97_DUMP(AC97_VIDEO);
AC97_DUMP(AC97_AUX);
AC97_DUMP(AC97_PCM);
AC97_DUMP(AC97_REC_SEL);
AC97_DUMP(AC97_REC_GAIN);
AC97_DUMP(AC97_REC_GAIN_MIC);
AC97_DUMP(AC97_GENERAL_PURPOSE);
AC97_DUMP(AC97_3D_CONTROL);
AC97_DUMP(AC97_INT_PAGING);
AC97_DUMP(AC97_POWERDOWN);
AC97_DUMP(AC97_PCM_FRONT_DAC_RATE);
AC97_DUMP(AC97_PCM_SURR_DAC_RATE);
AC97_DUMP(AC97_PCM_LFE_DAC_RATE);
AC97_DUMP(AC97_PCM_LR_ADC_RATE);
AC97_DUMP(AC97_PCM_MIC_ADC_RATE);
AC97_DUMP(AC97_DAC_SLOT_MAP);
AC97_DUMP(AC97_ADC_SLOT_MAP);
return 0;
}
MSH_CMD_EXPORT_ALIAS(_ac97_reg_dump, ac97_dump, ac97 dump reg);
#endif
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