981 lines
30 KiB
C
981 lines
30 KiB
C
/*
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ad1816a.c - lowlevel code for Analog Devices AD1816A chip.
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Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>
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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 as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/delay.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/slab.h>
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#include <linux/ioport.h>
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#include <linux/io.h>
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#include <sound/core.h>
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#include <sound/tlv.h>
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#include <sound/ad1816a.h>
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#include <asm/dma.h>
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static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip)
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{
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int timeout;
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for (timeout = 1000; timeout-- > 0; udelay(10))
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if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY)
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return 0;
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snd_printk(KERN_WARNING "chip busy.\n");
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return -EBUSY;
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}
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static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg)
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{
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snd_ad1816a_busy_wait(chip);
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return inb(AD1816A_REG(reg));
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}
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static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg,
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unsigned char value)
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{
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snd_ad1816a_busy_wait(chip);
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outb(value, AD1816A_REG(reg));
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}
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static inline void snd_ad1816a_out_mask(struct snd_ad1816a *chip, unsigned char reg,
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unsigned char mask, unsigned char value)
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{
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snd_ad1816a_out(chip, reg,
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(value & mask) | (snd_ad1816a_in(chip, reg) & ~mask));
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}
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static unsigned short snd_ad1816a_read(struct snd_ad1816a *chip, unsigned char reg)
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{
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snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
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return snd_ad1816a_in(chip, AD1816A_INDIR_DATA_LOW) |
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(snd_ad1816a_in(chip, AD1816A_INDIR_DATA_HIGH) << 8);
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}
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static void snd_ad1816a_write(struct snd_ad1816a *chip, unsigned char reg,
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unsigned short value)
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{
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snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
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snd_ad1816a_out(chip, AD1816A_INDIR_DATA_LOW, value & 0xff);
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snd_ad1816a_out(chip, AD1816A_INDIR_DATA_HIGH, (value >> 8) & 0xff);
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}
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static void snd_ad1816a_write_mask(struct snd_ad1816a *chip, unsigned char reg,
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unsigned short mask, unsigned short value)
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{
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snd_ad1816a_write(chip, reg,
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(value & mask) | (snd_ad1816a_read(chip, reg) & ~mask));
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}
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static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip,
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unsigned int format, int channels)
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{
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unsigned char retval = AD1816A_FMT_LINEAR_8;
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switch (format) {
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case SNDRV_PCM_FORMAT_MU_LAW:
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retval = AD1816A_FMT_ULAW_8;
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break;
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case SNDRV_PCM_FORMAT_A_LAW:
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retval = AD1816A_FMT_ALAW_8;
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break;
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case SNDRV_PCM_FORMAT_S16_LE:
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retval = AD1816A_FMT_LINEAR_16_LIT;
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break;
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case SNDRV_PCM_FORMAT_S16_BE:
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retval = AD1816A_FMT_LINEAR_16_BIG;
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}
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return (channels > 1) ? (retval | AD1816A_FMT_STEREO) : retval;
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}
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static int snd_ad1816a_open(struct snd_ad1816a *chip, unsigned int mode)
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{
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unsigned long flags;
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spin_lock_irqsave(&chip->lock, flags);
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if (chip->mode & mode) {
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spin_unlock_irqrestore(&chip->lock, flags);
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return -EAGAIN;
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}
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switch ((mode &= AD1816A_MODE_OPEN)) {
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case AD1816A_MODE_PLAYBACK:
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snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
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AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
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snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
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AD1816A_PLAYBACK_IRQ_ENABLE, 0xffff);
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break;
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case AD1816A_MODE_CAPTURE:
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snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
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AD1816A_CAPTURE_IRQ_PENDING, 0x00);
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snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
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AD1816A_CAPTURE_IRQ_ENABLE, 0xffff);
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break;
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case AD1816A_MODE_TIMER:
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snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
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AD1816A_TIMER_IRQ_PENDING, 0x00);
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snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
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AD1816A_TIMER_IRQ_ENABLE, 0xffff);
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}
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chip->mode |= mode;
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spin_unlock_irqrestore(&chip->lock, flags);
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return 0;
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}
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static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode)
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{
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unsigned long flags;
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spin_lock_irqsave(&chip->lock, flags);
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switch ((mode &= AD1816A_MODE_OPEN)) {
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case AD1816A_MODE_PLAYBACK:
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snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
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AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
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snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
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AD1816A_PLAYBACK_IRQ_ENABLE, 0x0000);
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break;
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case AD1816A_MODE_CAPTURE:
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snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
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AD1816A_CAPTURE_IRQ_PENDING, 0x00);
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snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
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AD1816A_CAPTURE_IRQ_ENABLE, 0x0000);
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break;
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case AD1816A_MODE_TIMER:
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snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
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AD1816A_TIMER_IRQ_PENDING, 0x00);
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snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
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AD1816A_TIMER_IRQ_ENABLE, 0x0000);
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}
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if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN))
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chip->mode = 0;
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spin_unlock_irqrestore(&chip->lock, flags);
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}
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static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what,
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int channel, int cmd, int iscapture)
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{
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int error = 0;
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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case SNDRV_PCM_TRIGGER_STOP:
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spin_lock(&chip->lock);
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cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00;
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/* if (what & AD1816A_PLAYBACK_ENABLE) */
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/* That is not valid, because playback and capture enable
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* are the same bit pattern, just to different addresses
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*/
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if (! iscapture)
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snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
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AD1816A_PLAYBACK_ENABLE, cmd);
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else
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snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
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AD1816A_CAPTURE_ENABLE, cmd);
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spin_unlock(&chip->lock);
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break;
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default:
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snd_printk(KERN_WARNING "invalid trigger mode 0x%x.\n", what);
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error = -EINVAL;
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}
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return error;
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}
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static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd)
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{
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struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
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return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE,
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SNDRV_PCM_STREAM_PLAYBACK, cmd, 0);
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}
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static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd)
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{
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struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
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return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE,
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SNDRV_PCM_STREAM_CAPTURE, cmd, 1);
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}
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static int snd_ad1816a_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *hw_params)
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{
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return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
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}
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static int snd_ad1816a_hw_free(struct snd_pcm_substream *substream)
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{
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return snd_pcm_lib_free_pages(substream);
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}
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static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream)
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{
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struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
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unsigned long flags;
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struct snd_pcm_runtime *runtime = substream->runtime;
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unsigned int size, rate;
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spin_lock_irqsave(&chip->lock, flags);
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chip->p_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
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snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
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AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
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snd_dma_program(chip->dma1, runtime->dma_addr, size,
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DMA_MODE_WRITE | DMA_AUTOINIT);
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rate = runtime->rate;
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if (chip->clock_freq)
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rate = (rate * 33000) / chip->clock_freq;
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snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate);
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snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
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AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
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snd_ad1816a_get_format(chip, runtime->format,
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runtime->channels));
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snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT,
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snd_pcm_lib_period_bytes(substream) / 4 - 1);
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spin_unlock_irqrestore(&chip->lock, flags);
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return 0;
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}
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static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream)
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{
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struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
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unsigned long flags;
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struct snd_pcm_runtime *runtime = substream->runtime;
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unsigned int size, rate;
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spin_lock_irqsave(&chip->lock, flags);
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chip->c_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
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snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
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AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
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snd_dma_program(chip->dma2, runtime->dma_addr, size,
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DMA_MODE_READ | DMA_AUTOINIT);
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rate = runtime->rate;
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if (chip->clock_freq)
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rate = (rate * 33000) / chip->clock_freq;
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snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate);
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snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
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AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
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snd_ad1816a_get_format(chip, runtime->format,
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runtime->channels));
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snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT,
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snd_pcm_lib_period_bytes(substream) / 4 - 1);
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spin_unlock_irqrestore(&chip->lock, flags);
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return 0;
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}
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static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream)
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{
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struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
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size_t ptr;
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if (!(chip->mode & AD1816A_MODE_PLAYBACK))
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return 0;
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ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
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return bytes_to_frames(substream->runtime, ptr);
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}
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static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream)
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{
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struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
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size_t ptr;
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if (!(chip->mode & AD1816A_MODE_CAPTURE))
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return 0;
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ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
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return bytes_to_frames(substream->runtime, ptr);
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}
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static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id)
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{
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struct snd_ad1816a *chip = dev_id;
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unsigned char status;
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spin_lock(&chip->lock);
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status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS);
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spin_unlock(&chip->lock);
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if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream)
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snd_pcm_period_elapsed(chip->playback_substream);
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if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream)
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snd_pcm_period_elapsed(chip->capture_substream);
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if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer)
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snd_timer_interrupt(chip->timer, chip->timer->sticks);
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spin_lock(&chip->lock);
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snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
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spin_unlock(&chip->lock);
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return IRQ_HANDLED;
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}
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static struct snd_pcm_hardware snd_ad1816a_playback = {
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.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_MMAP_VALID),
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.formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
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SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
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SNDRV_PCM_FMTBIT_S16_BE),
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.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
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.rate_min = 4000,
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.rate_max = 55200,
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.channels_min = 1,
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.channels_max = 2,
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.buffer_bytes_max = (128*1024),
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.period_bytes_min = 64,
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.period_bytes_max = (128*1024),
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.periods_min = 1,
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.periods_max = 1024,
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.fifo_size = 0,
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};
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static struct snd_pcm_hardware snd_ad1816a_capture = {
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.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_MMAP_VALID),
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.formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
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SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
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SNDRV_PCM_FMTBIT_S16_BE),
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.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
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.rate_min = 4000,
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.rate_max = 55200,
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.channels_min = 1,
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.channels_max = 2,
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.buffer_bytes_max = (128*1024),
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.period_bytes_min = 64,
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.period_bytes_max = (128*1024),
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.periods_min = 1,
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.periods_max = 1024,
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.fifo_size = 0,
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};
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static int snd_ad1816a_timer_close(struct snd_timer *timer)
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{
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struct snd_ad1816a *chip = snd_timer_chip(timer);
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snd_ad1816a_close(chip, AD1816A_MODE_TIMER);
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return 0;
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}
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static int snd_ad1816a_timer_open(struct snd_timer *timer)
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{
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struct snd_ad1816a *chip = snd_timer_chip(timer);
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snd_ad1816a_open(chip, AD1816A_MODE_TIMER);
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return 0;
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}
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static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer)
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{
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if (snd_BUG_ON(!timer))
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return 0;
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return 10000;
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}
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static int snd_ad1816a_timer_start(struct snd_timer *timer)
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{
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unsigned short bits;
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unsigned long flags;
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struct snd_ad1816a *chip = snd_timer_chip(timer);
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spin_lock_irqsave(&chip->lock, flags);
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bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE);
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if (!(bits & AD1816A_TIMER_ENABLE)) {
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snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT,
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timer->sticks & 0xffff);
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snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
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AD1816A_TIMER_ENABLE, 0xffff);
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}
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spin_unlock_irqrestore(&chip->lock, flags);
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return 0;
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}
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static int snd_ad1816a_timer_stop(struct snd_timer *timer)
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{
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unsigned long flags;
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struct snd_ad1816a *chip = snd_timer_chip(timer);
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spin_lock_irqsave(&chip->lock, flags);
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snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
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AD1816A_TIMER_ENABLE, 0x0000);
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spin_unlock_irqrestore(&chip->lock, flags);
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return 0;
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}
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static struct snd_timer_hardware snd_ad1816a_timer_table = {
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.flags = SNDRV_TIMER_HW_AUTO,
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.resolution = 10000,
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.ticks = 65535,
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.open = snd_ad1816a_timer_open,
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.close = snd_ad1816a_timer_close,
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.c_resolution = snd_ad1816a_timer_resolution,
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.start = snd_ad1816a_timer_start,
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.stop = snd_ad1816a_timer_stop,
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};
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static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream)
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{
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struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
int error;
|
|
|
|
if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0)
|
|
return error;
|
|
runtime->hw = snd_ad1816a_playback;
|
|
snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
|
|
snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
|
|
chip->playback_substream = substream;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
int error;
|
|
|
|
if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0)
|
|
return error;
|
|
runtime->hw = snd_ad1816a_capture;
|
|
snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
|
|
snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
|
|
chip->capture_substream = substream;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
|
|
|
|
chip->playback_substream = NULL;
|
|
snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
|
|
|
|
chip->capture_substream = NULL;
|
|
snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void snd_ad1816a_init(struct snd_ad1816a *chip)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
|
|
snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
|
|
snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
|
|
AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
|
|
snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
|
|
AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
|
|
snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000);
|
|
snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG,
|
|
AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff);
|
|
snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000);
|
|
snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000);
|
|
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
void snd_ad1816a_suspend(struct snd_ad1816a *chip)
|
|
{
|
|
int reg;
|
|
unsigned long flags;
|
|
|
|
snd_pcm_suspend_all(chip->pcm);
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
for (reg = 0; reg < 48; reg++)
|
|
chip->image[reg] = snd_ad1816a_read(chip, reg);
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
}
|
|
|
|
void snd_ad1816a_resume(struct snd_ad1816a *chip)
|
|
{
|
|
int reg;
|
|
unsigned long flags;
|
|
|
|
snd_ad1816a_init(chip);
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
for (reg = 0; reg < 48; reg++)
|
|
snd_ad1816a_write(chip, reg, chip->image[reg]);
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
}
|
|
#endif
|
|
|
|
static int snd_ad1816a_probe(struct snd_ad1816a *chip)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
|
|
switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) {
|
|
case 0:
|
|
chip->hardware = AD1816A_HW_AD1815;
|
|
break;
|
|
case 1:
|
|
chip->hardware = AD1816A_HW_AD18MAX10;
|
|
break;
|
|
case 3:
|
|
chip->hardware = AD1816A_HW_AD1816A;
|
|
break;
|
|
default:
|
|
chip->hardware = AD1816A_HW_AUTO;
|
|
}
|
|
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_free(struct snd_ad1816a *chip)
|
|
{
|
|
release_and_free_resource(chip->res_port);
|
|
if (chip->irq >= 0)
|
|
free_irq(chip->irq, (void *) chip);
|
|
if (chip->dma1 >= 0) {
|
|
snd_dma_disable(chip->dma1);
|
|
free_dma(chip->dma1);
|
|
}
|
|
if (chip->dma2 >= 0) {
|
|
snd_dma_disable(chip->dma2);
|
|
free_dma(chip->dma2);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_dev_free(struct snd_device *device)
|
|
{
|
|
struct snd_ad1816a *chip = device->device_data;
|
|
return snd_ad1816a_free(chip);
|
|
}
|
|
|
|
static const char *snd_ad1816a_chip_id(struct snd_ad1816a *chip)
|
|
{
|
|
switch (chip->hardware) {
|
|
case AD1816A_HW_AD1816A: return "AD1816A";
|
|
case AD1816A_HW_AD1815: return "AD1815";
|
|
case AD1816A_HW_AD18MAX10: return "AD18max10";
|
|
default:
|
|
snd_printk(KERN_WARNING "Unknown chip version %d:%d.\n",
|
|
chip->version, chip->hardware);
|
|
return "AD1816A - unknown";
|
|
}
|
|
}
|
|
|
|
int snd_ad1816a_create(struct snd_card *card,
|
|
unsigned long port, int irq, int dma1, int dma2,
|
|
struct snd_ad1816a *chip)
|
|
{
|
|
static struct snd_device_ops ops = {
|
|
.dev_free = snd_ad1816a_dev_free,
|
|
};
|
|
int error;
|
|
|
|
chip->irq = -1;
|
|
chip->dma1 = -1;
|
|
chip->dma2 = -1;
|
|
|
|
if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) {
|
|
snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port);
|
|
snd_ad1816a_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
if (request_irq(irq, snd_ad1816a_interrupt, 0, "AD1816A", (void *) chip)) {
|
|
snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq);
|
|
snd_ad1816a_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
chip->irq = irq;
|
|
if (request_dma(dma1, "AD1816A - 1")) {
|
|
snd_printk(KERN_ERR "ad1816a: can't grab DMA1 %d\n", dma1);
|
|
snd_ad1816a_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
chip->dma1 = dma1;
|
|
if (request_dma(dma2, "AD1816A - 2")) {
|
|
snd_printk(KERN_ERR "ad1816a: can't grab DMA2 %d\n", dma2);
|
|
snd_ad1816a_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
chip->dma2 = dma2;
|
|
|
|
chip->card = card;
|
|
chip->port = port;
|
|
spin_lock_init(&chip->lock);
|
|
|
|
if ((error = snd_ad1816a_probe(chip))) {
|
|
snd_ad1816a_free(chip);
|
|
return error;
|
|
}
|
|
|
|
snd_ad1816a_init(chip);
|
|
|
|
/* Register device */
|
|
if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
|
|
snd_ad1816a_free(chip);
|
|
return error;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_pcm_ops snd_ad1816a_playback_ops = {
|
|
.open = snd_ad1816a_playback_open,
|
|
.close = snd_ad1816a_playback_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_ad1816a_hw_params,
|
|
.hw_free = snd_ad1816a_hw_free,
|
|
.prepare = snd_ad1816a_playback_prepare,
|
|
.trigger = snd_ad1816a_playback_trigger,
|
|
.pointer = snd_ad1816a_playback_pointer,
|
|
};
|
|
|
|
static struct snd_pcm_ops snd_ad1816a_capture_ops = {
|
|
.open = snd_ad1816a_capture_open,
|
|
.close = snd_ad1816a_capture_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_ad1816a_hw_params,
|
|
.hw_free = snd_ad1816a_hw_free,
|
|
.prepare = snd_ad1816a_capture_prepare,
|
|
.trigger = snd_ad1816a_capture_trigger,
|
|
.pointer = snd_ad1816a_capture_pointer,
|
|
};
|
|
|
|
int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device)
|
|
{
|
|
int error;
|
|
struct snd_pcm *pcm;
|
|
|
|
if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm)))
|
|
return error;
|
|
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops);
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops);
|
|
|
|
pcm->private_data = chip;
|
|
pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0;
|
|
|
|
strcpy(pcm->name, snd_ad1816a_chip_id(chip));
|
|
snd_ad1816a_init(chip);
|
|
|
|
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
|
|
snd_dma_isa_data(),
|
|
64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
|
|
|
|
chip->pcm = pcm;
|
|
return 0;
|
|
}
|
|
|
|
int snd_ad1816a_timer(struct snd_ad1816a *chip, int device)
|
|
{
|
|
struct snd_timer *timer;
|
|
struct snd_timer_id tid;
|
|
int error;
|
|
|
|
tid.dev_class = SNDRV_TIMER_CLASS_CARD;
|
|
tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
|
|
tid.card = chip->card->number;
|
|
tid.device = device;
|
|
tid.subdevice = 0;
|
|
if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0)
|
|
return error;
|
|
strcpy(timer->name, snd_ad1816a_chip_id(chip));
|
|
timer->private_data = chip;
|
|
chip->timer = timer;
|
|
timer->hw = snd_ad1816a_timer_table;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
|
|
static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
static const char * const texts[8] = {
|
|
"Line", "Mix", "CD", "Synth", "Video",
|
|
"Mic", "Phone",
|
|
};
|
|
|
|
return snd_ctl_enum_info(uinfo, 2, 7, texts);
|
|
}
|
|
|
|
static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
|
|
unsigned long flags;
|
|
unsigned short val;
|
|
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL);
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
ucontrol->value.enumerated.item[0] = (val >> 12) & 7;
|
|
ucontrol->value.enumerated.item[1] = (val >> 4) & 7;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
|
|
unsigned long flags;
|
|
unsigned short val;
|
|
int change;
|
|
|
|
if (ucontrol->value.enumerated.item[0] > 6 ||
|
|
ucontrol->value.enumerated.item[1] > 6)
|
|
return -EINVAL;
|
|
val = (ucontrol->value.enumerated.item[0] << 12) |
|
|
(ucontrol->value.enumerated.item[1] << 4);
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val;
|
|
snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val);
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
return change;
|
|
}
|
|
|
|
#define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
|
|
.name = xname, .info = snd_ad1816a_info_single, \
|
|
.get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
|
|
.private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
|
|
.tlv = { .p = (xtlv) } }
|
|
#define AD1816A_SINGLE(xname, reg, shift, mask, invert) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \
|
|
.get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
|
|
.private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
|
|
|
|
static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
|
|
|
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = mask;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
|
|
unsigned long flags;
|
|
int reg = kcontrol->private_value & 0xff;
|
|
int shift = (kcontrol->private_value >> 8) & 0xff;
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
|
int invert = (kcontrol->private_value >> 24) & 0xff;
|
|
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask;
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
if (invert)
|
|
ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
|
|
unsigned long flags;
|
|
int reg = kcontrol->private_value & 0xff;
|
|
int shift = (kcontrol->private_value >> 8) & 0xff;
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
|
int invert = (kcontrol->private_value >> 24) & 0xff;
|
|
int change;
|
|
unsigned short old_val, val;
|
|
|
|
val = (ucontrol->value.integer.value[0] & mask);
|
|
if (invert)
|
|
val = mask - val;
|
|
val <<= shift;
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
old_val = snd_ad1816a_read(chip, reg);
|
|
val = (old_val & ~(mask << shift)) | val;
|
|
change = val != old_val;
|
|
snd_ad1816a_write(chip, reg, val);
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
return change;
|
|
}
|
|
|
|
#define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
|
|
.name = xname, .info = snd_ad1816a_info_double, \
|
|
.get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
|
|
.private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
|
|
.tlv = { .p = (xtlv) } }
|
|
|
|
#define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \
|
|
.get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
|
|
.private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
|
|
|
|
static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
|
|
|
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = 2;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = mask;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
|
|
unsigned long flags;
|
|
int reg = kcontrol->private_value & 0xff;
|
|
int shift_left = (kcontrol->private_value >> 8) & 0x0f;
|
|
int shift_right = (kcontrol->private_value >> 12) & 0x0f;
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
|
int invert = (kcontrol->private_value >> 24) & 0xff;
|
|
unsigned short val;
|
|
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
val = snd_ad1816a_read(chip, reg);
|
|
ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
|
|
ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
if (invert) {
|
|
ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
|
|
ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
|
|
unsigned long flags;
|
|
int reg = kcontrol->private_value & 0xff;
|
|
int shift_left = (kcontrol->private_value >> 8) & 0x0f;
|
|
int shift_right = (kcontrol->private_value >> 12) & 0x0f;
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
|
int invert = (kcontrol->private_value >> 24) & 0xff;
|
|
int change;
|
|
unsigned short old_val, val1, val2;
|
|
|
|
val1 = ucontrol->value.integer.value[0] & mask;
|
|
val2 = ucontrol->value.integer.value[1] & mask;
|
|
if (invert) {
|
|
val1 = mask - val1;
|
|
val2 = mask - val2;
|
|
}
|
|
val1 <<= shift_left;
|
|
val2 <<= shift_right;
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
old_val = snd_ad1816a_read(chip, reg);
|
|
val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
|
|
change = val1 != old_val;
|
|
snd_ad1816a_write(chip, reg, val1);
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
return change;
|
|
}
|
|
|
|
static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
|
|
static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
|
|
static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
|
|
static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
|
|
static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
|
|
|
|
static struct snd_kcontrol_new snd_ad1816a_controls[] = {
|
|
AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
|
|
AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1,
|
|
db_scale_5bit),
|
|
AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),
|
|
AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1,
|
|
db_scale_6bit),
|
|
AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),
|
|
AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1,
|
|
db_scale_5bit_12db_max),
|
|
AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),
|
|
AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1,
|
|
db_scale_5bit_12db_max),
|
|
AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),
|
|
AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1,
|
|
db_scale_5bit_12db_max),
|
|
AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
|
|
AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1,
|
|
db_scale_6bit),
|
|
AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
|
|
AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1,
|
|
db_scale_5bit_12db_max),
|
|
AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
|
|
AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
|
|
AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1,
|
|
db_scale_5bit_12db_max),
|
|
AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),
|
|
AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1,
|
|
db_scale_4bit),
|
|
AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),
|
|
AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1,
|
|
db_scale_5bit),
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Capture Source",
|
|
.info = snd_ad1816a_info_mux,
|
|
.get = snd_ad1816a_get_mux,
|
|
.put = snd_ad1816a_put_mux,
|
|
},
|
|
AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),
|
|
AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0,
|
|
db_scale_rec_gain),
|
|
AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),
|
|
AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),
|
|
};
|
|
|
|
int snd_ad1816a_mixer(struct snd_ad1816a *chip)
|
|
{
|
|
struct snd_card *card;
|
|
unsigned int idx;
|
|
int err;
|
|
|
|
if (snd_BUG_ON(!chip || !chip->card))
|
|
return -EINVAL;
|
|
|
|
card = chip->card;
|
|
|
|
strcpy(card->mixername, snd_ad1816a_chip_id(chip));
|
|
|
|
for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) {
|
|
if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0)
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|