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waveartist.c
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/*
* linux/sound/oss/waveartist.c
*
* The low level driver for the RWA010 Rockwell Wave Artist
* codec chip used in the Rebel.com NetWinder.
*
* Cleaned up and integrated into 2.1 by Russell King ([email protected])
* and Pat Beirne ([email protected])
*
*
* Copyright (C) by Rebel.com 1998-1999
*
* RWA010 specs received under NDA from Rockwell
*
* Copyright (C) by Hannu Savolainen 1993-1997
*
* OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
* Version 2 (June 1991). See the "COPYING" file distributed with this software
* for more info.
*
* Changes:
* 11-10-2000 Bartlomiej Zolnierkiewicz <[email protected]>
* Added __init to waveartist_init()
*/
/* Debugging */
#define DEBUG_CMD 1
#define DEBUG_OUT 2
#define DEBUG_IN 4
#define DEBUG_INTR 8
#define DEBUG_MIXER 16
#define DEBUG_TRIGGER 32
#define debug_flg (0)
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/bitops.h>
#include <asm/system.h>
#include "sound_config.h"
#include "waveartist.h"
#ifdef CONFIG_ARM
#include <mach/hardware.h>
#include <asm/mach-types.h>
#endif
#ifndef NO_DMA
#define NO_DMA 255
#endif
#define SUPPORTED_MIXER_DEVICES (SOUND_MASK_SYNTH |\
SOUND_MASK_PCM |\
SOUND_MASK_LINE |\
SOUND_MASK_MIC |\
SOUND_MASK_LINE1 |\
SOUND_MASK_RECLEV |\
SOUND_MASK_VOLUME |\
SOUND_MASK_IMIX)
static unsigned short levels[SOUND_MIXER_NRDEVICES] = {
0x5555, /* Master Volume */
0x0000, /* Bass */
0x0000, /* Treble */
0x2323, /* Synth (FM) */
0x4b4b, /* PCM */
0x6464, /* PC Speaker */
0x0000, /* Ext Line */
0x0000, /* Mic */
0x0000, /* CD */
0x6464, /* Recording monitor */
0x0000, /* SB PCM (ALT PCM) */
0x0000, /* Recording level */
0x6464, /* Input gain */
0x6464, /* Output gain */
0x0000, /* Line1 (Aux1) */
0x0000, /* Line2 (Aux2) */
0x0000, /* Line3 (Aux3) */
0x0000, /* Digital1 */
0x0000, /* Digital2 */
0x0000, /* Digital3 */
0x0000, /* Phone In */
0x6464, /* Phone Out */
0x0000, /* Video */
0x0000, /* Radio */
0x0000 /* Monitor */
};
typedef struct {
struct address_info hw; /* hardware */
char *chip_name;
int xfer_count;
int audio_mode;
int open_mode;
int audio_flags;
int record_dev;
int playback_dev;
int dev_no;
/* Mixer parameters */
const struct waveartist_mixer_info *mix;
unsigned short *levels; /* cache of volume settings */
int recmask; /* currently enabled recording device! */
#ifdef CONFIG_ARCH_NETWINDER
signed int slider_vol; /* hardware slider volume */
unsigned int handset_detect :1;
unsigned int telephone_detect:1;
unsigned int no_autoselect :1;/* handset/telephone autoselects a path */
unsigned int spkr_mute_state :1;/* set by ioctl or autoselect */
unsigned int line_mute_state :1;/* set by ioctl or autoselect */
unsigned int use_slider :1;/* use slider setting for o/p vol */
#endif
} wavnc_info;
/*
* This is the implementation specific mixer information.
*/
struct waveartist_mixer_info {
unsigned int supported_devs; /* Supported devices */
unsigned int recording_devs; /* Recordable devies */
unsigned int stereo_devs; /* Stereo devices */
unsigned int (*select_input)(wavnc_info *, unsigned int,
unsigned char *, unsigned char *);
int (*decode_mixer)(wavnc_info *, int,
unsigned char, unsigned char);
int (*get_mixer)(wavnc_info *, int);
};
typedef struct wavnc_port_info {
int open_mode;
int speed;
int channels;
int audio_format;
} wavnc_port_info;
static int nr_waveartist_devs;
static wavnc_info adev_info[MAX_AUDIO_DEV];
static DEFINE_SPINLOCK(waveartist_lock);
#ifndef CONFIG_ARCH_NETWINDER
#define machine_is_netwinder() 0
#else
static struct timer_list vnc_timer;
static void vnc_configure_mixer(wavnc_info *devc, unsigned int input_mask);
static int vnc_private_ioctl(int dev, unsigned int cmd, int __user *arg);
static void vnc_slider_tick(unsigned long data);
#endif
static inline void
waveartist_set_ctlr(struct address_info *hw, unsigned char clear, unsigned char set)
{
unsigned int ctlr_port = hw->io_base + CTLR;
clear = ~clear & inb(ctlr_port);
outb(clear | set, ctlr_port);
}
/* Toggle IRQ acknowledge line
*/
static inline void
waveartist_iack(wavnc_info *devc)
{
unsigned int ctlr_port = devc->hw.io_base + CTLR;
int old_ctlr;
old_ctlr = inb(ctlr_port) & ~IRQ_ACK;
outb(old_ctlr | IRQ_ACK, ctlr_port);
outb(old_ctlr, ctlr_port);
}
static inline int
waveartist_sleep(int timeout_ms)
{
unsigned int timeout = timeout_ms * 10 * HZ / 100;
do {
set_current_state(TASK_INTERRUPTIBLE);
timeout = schedule_timeout(timeout);
} while (timeout);
return 0;
}
static int
waveartist_reset(wavnc_info *devc)
{
struct address_info *hw = &devc->hw;
unsigned int timeout, res = -1;
waveartist_set_ctlr(hw, -1, RESET);
waveartist_sleep(2);
waveartist_set_ctlr(hw, RESET, 0);
timeout = 500;
do {
mdelay(2);
if (inb(hw->io_base + STATR) & CMD_RF) {
res = inw(hw->io_base + CMDR);
if (res == 0x55aa)
break;
}
} while (--timeout);
if (timeout == 0) {
printk(KERN_WARNING "WaveArtist: reset timeout ");
if (res != (unsigned int)-1)
printk("(res=%04X)", res);
printk("\n");
return 1;
}
return 0;
}
/* Helper function to send and receive words
* from WaveArtist. It handles all the handshaking
* and can send or receive multiple words.
*/
static int
waveartist_cmd(wavnc_info *devc,
int nr_cmd, unsigned int *cmd,
int nr_resp, unsigned int *resp)
{
unsigned int io_base = devc->hw.io_base;
unsigned int timed_out = 0;
unsigned int i;
if (debug_flg & DEBUG_CMD) {
printk("waveartist_cmd: cmd=");
for (i = 0; i < nr_cmd; i++)
printk("%04X ", cmd[i]);
printk("\n");
}
if (inb(io_base + STATR) & CMD_RF) {
int old_data;
/* flush the port
*/
old_data = inw(io_base + CMDR);
if (debug_flg & DEBUG_CMD)
printk("flushed %04X...", old_data);
udelay(10);
}
for (i = 0; !timed_out && i < nr_cmd; i++) {
int count;
for (count = 5000; count; count--)
if (inb(io_base + STATR) & CMD_WE)
break;
if (!count)
timed_out = 1;
else
outw(cmd[i], io_base + CMDR);
}
for (i = 0; !timed_out && i < nr_resp; i++) {
int count;
for (count = 5000; count; count--)
if (inb(io_base + STATR) & CMD_RF)
break;
if (!count)
timed_out = 1;
else
resp[i] = inw(io_base + CMDR);
}
if (debug_flg & DEBUG_CMD) {
if (!timed_out) {
printk("waveartist_cmd: resp=");
for (i = 0; i < nr_resp; i++)
printk("%04X ", resp[i]);
printk("\n");
} else
printk("waveartist_cmd: timed out\n");
}
return timed_out ? 1 : 0;
}
/*
* Send one command word
*/
static inline int
waveartist_cmd1(wavnc_info *devc, unsigned int cmd)
{
return waveartist_cmd(devc, 1, &cmd, 0, NULL);
}
/*
* Send one command, receive one word
*/
static inline unsigned int
waveartist_cmd1_r(wavnc_info *devc, unsigned int cmd)
{
unsigned int ret;
waveartist_cmd(devc, 1, &cmd, 1, &ret);
return ret;
}
/*
* Send a double command, receive one
* word (and throw it away)
*/
static inline int
waveartist_cmd2(wavnc_info *devc, unsigned int cmd, unsigned int arg)
{
unsigned int vals[2];
vals[0] = cmd;
vals[1] = arg;
return waveartist_cmd(devc, 2, vals, 1, vals);
}
/*
* Send a triple command
*/
static inline int
waveartist_cmd3(wavnc_info *devc, unsigned int cmd,
unsigned int arg1, unsigned int arg2)
{
unsigned int vals[3];
vals[0] = cmd;
vals[1] = arg1;
vals[2] = arg2;
return waveartist_cmd(devc, 3, vals, 0, NULL);
}
static int
waveartist_getrev(wavnc_info *devc, char *rev)
{
unsigned int temp[2];
unsigned int cmd = WACMD_GETREV;
waveartist_cmd(devc, 1, &cmd, 2, temp);
rev[0] = temp[0] >> 8;
rev[1] = temp[0] & 255;
rev[2] = '\0';
return temp[0];
}
static void waveartist_halt_output(int dev);
static void waveartist_halt_input(int dev);
static void waveartist_halt(int dev);
static void waveartist_trigger(int dev, int state);
static int
waveartist_open(int dev, int mode)
{
wavnc_info *devc;
wavnc_port_info *portc;
unsigned long flags;
if (dev < 0 || dev >= num_audiodevs)
return -ENXIO;
devc = (wavnc_info *) audio_devs[dev]->devc;
portc = (wavnc_port_info *) audio_devs[dev]->portc;
spin_lock_irqsave(&waveartist_lock, flags);
if (portc->open_mode || (devc->open_mode & mode)) {
spin_unlock_irqrestore(&waveartist_lock, flags);
return -EBUSY;
}
devc->audio_mode = 0;
devc->open_mode |= mode;
portc->open_mode = mode;
waveartist_trigger(dev, 0);
if (mode & OPEN_READ)
devc->record_dev = dev;
if (mode & OPEN_WRITE)
devc->playback_dev = dev;
spin_unlock_irqrestore(&waveartist_lock, flags);
return 0;
}
static void
waveartist_close(int dev)
{
wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc;
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
unsigned long flags;
spin_lock_irqsave(&waveartist_lock, flags);
waveartist_halt(dev);
devc->audio_mode = 0;
devc->open_mode &= ~portc->open_mode;
portc->open_mode = 0;
spin_unlock_irqrestore(&waveartist_lock, flags);
}
static void
waveartist_output_block(int dev, unsigned long buf, int __count, int intrflag)
{
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc;
unsigned long flags;
unsigned int count = __count;
if (debug_flg & DEBUG_OUT)
printk("waveartist: output block, buf=0x%lx, count=0x%x...\n",
buf, count);
/*
* 16 bit data
*/
if (portc->audio_format & (AFMT_S16_LE | AFMT_S16_BE))
count >>= 1;
if (portc->channels > 1)
count >>= 1;
count -= 1;
if (devc->audio_mode & PCM_ENABLE_OUTPUT &&
audio_devs[dev]->flags & DMA_AUTOMODE &&
intrflag &&
count == devc->xfer_count) {
devc->audio_mode |= PCM_ENABLE_OUTPUT;
return; /*
* Auto DMA mode on. No need to react
*/
}
spin_lock_irqsave(&waveartist_lock, flags);
/*
* set sample count
*/
waveartist_cmd2(devc, WACMD_OUTPUTSIZE, count);
devc->xfer_count = count;
devc->audio_mode |= PCM_ENABLE_OUTPUT;
spin_unlock_irqrestore(&waveartist_lock, flags);
}
static void
waveartist_start_input(int dev, unsigned long buf, int __count, int intrflag)
{
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc;
unsigned long flags;
unsigned int count = __count;
if (debug_flg & DEBUG_IN)
printk("waveartist: start input, buf=0x%lx, count=0x%x...\n",
buf, count);
if (portc->audio_format & (AFMT_S16_LE | AFMT_S16_BE)) /* 16 bit data */
count >>= 1;
if (portc->channels > 1)
count >>= 1;
count -= 1;
if (devc->audio_mode & PCM_ENABLE_INPUT &&
audio_devs[dev]->flags & DMA_AUTOMODE &&
intrflag &&
count == devc->xfer_count) {
devc->audio_mode |= PCM_ENABLE_INPUT;
return; /*
* Auto DMA mode on. No need to react
*/
}
spin_lock_irqsave(&waveartist_lock, flags);
/*
* set sample count
*/
waveartist_cmd2(devc, WACMD_INPUTSIZE, count);
devc->xfer_count = count;
devc->audio_mode |= PCM_ENABLE_INPUT;
spin_unlock_irqrestore(&waveartist_lock, flags);
}
static int
waveartist_ioctl(int dev, unsigned int cmd, void __user * arg)
{
return -EINVAL;
}
static unsigned int
waveartist_get_speed(wavnc_port_info *portc)
{
unsigned int speed;
/*
* program the speed, channels, bits
*/
if (portc->speed == 8000)
speed = 0x2E71;
else if (portc->speed == 11025)
speed = 0x4000;
else if (portc->speed == 22050)
speed = 0x8000;
else if (portc->speed == 44100)
speed = 0x0;
else {
/*
* non-standard - just calculate
*/
speed = portc->speed << 16;
speed = (speed / 44100) & 65535;
}
return speed;
}
static unsigned int
waveartist_get_bits(wavnc_port_info *portc)
{
unsigned int bits;
if (portc->audio_format == AFMT_S16_LE)
bits = 1;
else if (portc->audio_format == AFMT_S8)
bits = 0;
else
bits = 2; //default AFMT_U8
return bits;
}
static int
waveartist_prepare_for_input(int dev, int bsize, int bcount)
{
unsigned long flags;
wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc;
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
unsigned int speed, bits;
if (devc->audio_mode)
return 0;
speed = waveartist_get_speed(portc);
bits = waveartist_get_bits(portc);
spin_lock_irqsave(&waveartist_lock, flags);
if (waveartist_cmd2(devc, WACMD_INPUTFORMAT, bits))
printk(KERN_WARNING "waveartist: error setting the "
"record format to %d\n", portc->audio_format);
if (waveartist_cmd2(devc, WACMD_INPUTCHANNELS, portc->channels))
printk(KERN_WARNING "waveartist: error setting record "
"to %d channels\n", portc->channels);
/*
* write cmd SetSampleSpeedTimeConstant
*/
if (waveartist_cmd2(devc, WACMD_INPUTSPEED, speed))
printk(KERN_WARNING "waveartist: error setting the record "
"speed to %dHz.\n", portc->speed);
if (waveartist_cmd2(devc, WACMD_INPUTDMA, 1))
printk(KERN_WARNING "waveartist: error setting the record "
"data path to 0x%X\n", 1);
if (waveartist_cmd2(devc, WACMD_INPUTFORMAT, bits))
printk(KERN_WARNING "waveartist: error setting the record "
"format to %d\n", portc->audio_format);
devc->xfer_count = 0;
spin_unlock_irqrestore(&waveartist_lock, flags);
waveartist_halt_input(dev);
if (debug_flg & DEBUG_INTR) {
printk("WA CTLR reg: 0x%02X.\n",
inb(devc->hw.io_base + CTLR));
printk("WA STAT reg: 0x%02X.\n",
inb(devc->hw.io_base + STATR));
printk("WA IRQS reg: 0x%02X.\n",
inb(devc->hw.io_base + IRQSTAT));
}
return 0;
}
static int
waveartist_prepare_for_output(int dev, int bsize, int bcount)
{
unsigned long flags;
wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc;
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
unsigned int speed, bits;
/*
* program the speed, channels, bits
*/
speed = waveartist_get_speed(portc);
bits = waveartist_get_bits(portc);
spin_lock_irqsave(&waveartist_lock, flags);
if (waveartist_cmd2(devc, WACMD_OUTPUTSPEED, speed) &&
waveartist_cmd2(devc, WACMD_OUTPUTSPEED, speed))
printk(KERN_WARNING "waveartist: error setting the playback "
"speed to %dHz.\n", portc->speed);
if (waveartist_cmd2(devc, WACMD_OUTPUTCHANNELS, portc->channels))
printk(KERN_WARNING "waveartist: error setting the playback "
"to %d channels\n", portc->channels);
if (waveartist_cmd2(devc, WACMD_OUTPUTDMA, 0))
printk(KERN_WARNING "waveartist: error setting the playback "
"data path to 0x%X\n", 0);
if (waveartist_cmd2(devc, WACMD_OUTPUTFORMAT, bits))
printk(KERN_WARNING "waveartist: error setting the playback "
"format to %d\n", portc->audio_format);
devc->xfer_count = 0;
spin_unlock_irqrestore(&waveartist_lock, flags);
waveartist_halt_output(dev);
if (debug_flg & DEBUG_INTR) {
printk("WA CTLR reg: 0x%02X.\n",inb(devc->hw.io_base + CTLR));
printk("WA STAT reg: 0x%02X.\n",inb(devc->hw.io_base + STATR));
printk("WA IRQS reg: 0x%02X.\n",inb(devc->hw.io_base + IRQSTAT));
}
return 0;
}
static void
waveartist_halt(int dev)
{
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
wavnc_info *devc;
if (portc->open_mode & OPEN_WRITE)
waveartist_halt_output(dev);
if (portc->open_mode & OPEN_READ)
waveartist_halt_input(dev);
devc = (wavnc_info *) audio_devs[dev]->devc;
devc->audio_mode = 0;
}
static void
waveartist_halt_input(int dev)
{
wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc;
unsigned long flags;
spin_lock_irqsave(&waveartist_lock, flags);
/*
* Stop capture
*/
waveartist_cmd1(devc, WACMD_INPUTSTOP);
devc->audio_mode &= ~PCM_ENABLE_INPUT;
/*
* Clear interrupt by toggling
* the IRQ_ACK bit in CTRL
*/
if (inb(devc->hw.io_base + STATR) & IRQ_REQ)
waveartist_iack(devc);
// devc->audio_mode &= ~PCM_ENABLE_INPUT;
spin_unlock_irqrestore(&waveartist_lock, flags);
}
static void
waveartist_halt_output(int dev)
{
wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc;
unsigned long flags;
spin_lock_irqsave(&waveartist_lock, flags);
waveartist_cmd1(devc, WACMD_OUTPUTSTOP);
devc->audio_mode &= ~PCM_ENABLE_OUTPUT;
/*
* Clear interrupt by toggling
* the IRQ_ACK bit in CTRL
*/
if (inb(devc->hw.io_base + STATR) & IRQ_REQ)
waveartist_iack(devc);
// devc->audio_mode &= ~PCM_ENABLE_OUTPUT;
spin_unlock_irqrestore(&waveartist_lock, flags);
}
static void
waveartist_trigger(int dev, int state)
{
wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc;
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
unsigned long flags;
if (debug_flg & DEBUG_TRIGGER) {
printk("wavnc: audio trigger ");
if (state & PCM_ENABLE_INPUT)
printk("in ");
if (state & PCM_ENABLE_OUTPUT)
printk("out");
printk("\n");
}
spin_lock_irqsave(&waveartist_lock, flags);
state &= devc->audio_mode;
if (portc->open_mode & OPEN_READ &&
state & PCM_ENABLE_INPUT)
/*
* enable ADC Data Transfer to PC
*/
waveartist_cmd1(devc, WACMD_INPUTSTART);
if (portc->open_mode & OPEN_WRITE &&
state & PCM_ENABLE_OUTPUT)
/*
* enable DAC data transfer from PC
*/
waveartist_cmd1(devc, WACMD_OUTPUTSTART);
spin_unlock_irqrestore(&waveartist_lock, flags);
}
static int
waveartist_set_speed(int dev, int arg)
{
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
if (arg <= 0)
return portc->speed;
if (arg < 5000)
arg = 5000;
if (arg > 44100)
arg = 44100;
portc->speed = arg;
return portc->speed;
}
static short
waveartist_set_channels(int dev, short arg)
{
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
if (arg != 1 && arg != 2)
return portc->channels;
portc->channels = arg;
return arg;
}
static unsigned int
waveartist_set_bits(int dev, unsigned int arg)
{
wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc;
if (arg == 0)
return portc->audio_format;
if ((arg != AFMT_U8) && (arg != AFMT_S16_LE) && (arg != AFMT_S8))
arg = AFMT_U8;
portc->audio_format = arg;
return arg;
}
static struct audio_driver waveartist_audio_driver = {
.owner = THIS_MODULE,
.open = waveartist_open,
.close = waveartist_close,
.output_block = waveartist_output_block,
.start_input = waveartist_start_input,
.ioctl = waveartist_ioctl,
.prepare_for_input = waveartist_prepare_for_input,
.prepare_for_output = waveartist_prepare_for_output,
.halt_io = waveartist_halt,
.halt_input = waveartist_halt_input,
.halt_output = waveartist_halt_output,
.trigger = waveartist_trigger,
.set_speed = waveartist_set_speed,
.set_bits = waveartist_set_bits,
.set_channels = waveartist_set_channels
};
static irqreturn_t
waveartist_intr(int irq, void *dev_id)
{
wavnc_info *devc = dev_id;
int irqstatus, status;
spin_lock(&waveartist_lock);
irqstatus = inb(devc->hw.io_base + IRQSTAT);
status = inb(devc->hw.io_base + STATR);
if (debug_flg & DEBUG_INTR)
printk("waveartist_intr: stat=%02x, irqstat=%02x\n",
status, irqstatus);
if (status & IRQ_REQ) /* Clear interrupt */
waveartist_iack(devc);
else
printk(KERN_WARNING "waveartist: unexpected interrupt\n");
if (irqstatus & 0x01) {
int temp = 1;
/* PCM buffer done
*/
if ((status & DMA0) && (devc->audio_mode & PCM_ENABLE_OUTPUT)) {
DMAbuf_outputintr(devc->playback_dev, 1);
temp = 0;
}
if ((status & DMA1) && (devc->audio_mode & PCM_ENABLE_INPUT)) {
DMAbuf_inputintr(devc->record_dev);
temp = 0;
}
if (temp) //default:
printk(KERN_WARNING "waveartist: Unknown interrupt\n");
}
if (irqstatus & 0x2)
// We do not use SB mode natively...
printk(KERN_WARNING "waveartist: Unexpected SB interrupt...\n");
spin_unlock(&waveartist_lock);
return IRQ_HANDLED;
}
/* -------------------------------------------------------------------------
* Mixer stuff
*/
struct mix_ent {
unsigned char reg_l;
unsigned char reg_r;
unsigned char shift;
unsigned char max;
};
static const struct mix_ent mix_devs[SOUND_MIXER_NRDEVICES] = {
{ 2, 6, 1, 7 }, /* SOUND_MIXER_VOLUME */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_BASS */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_TREBLE */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_SYNTH */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_PCM */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_SPEAKER */
{ 0, 4, 6, 31 }, /* SOUND_MIXER_LINE */
{ 2, 6, 4, 3 }, /* SOUND_MIXER_MIC */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_CD */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_IMIX */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_ALTPCM */
#if 0
{ 3, 7, 0, 10 }, /* SOUND_MIXER_RECLEV */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_IGAIN */
#else
{ 0, 0, 0, 0 }, /* SOUND_MIXER_RECLEV */
{ 3, 7, 0, 7 }, /* SOUND_MIXER_IGAIN */
#endif
{ 0, 0, 0, 0 }, /* SOUND_MIXER_OGAIN */
{ 0, 4, 1, 31 }, /* SOUND_MIXER_LINE1 */
{ 1, 5, 6, 31 }, /* SOUND_MIXER_LINE2 */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_LINE3 */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_DIGITAL1 */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_DIGITAL2 */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_DIGITAL3 */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_PHONEIN */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_PHONEOUT */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_VIDEO */
{ 0, 0, 0, 0 }, /* SOUND_MIXER_RADIO */
{ 0, 0, 0, 0 } /* SOUND_MIXER_MONITOR */
};
static void
waveartist_mixer_update(wavnc_info *devc, int whichDev)
{
unsigned int lev_left, lev_right;
lev_left = devc->levels[whichDev] & 0xff;
lev_right = devc->levels[whichDev] >> 8;
if (lev_left > 100)
lev_left = 100;
if (lev_right > 100)
lev_right = 100;
#define SCALE(lev,max) ((lev) * (max) / 100)
if (machine_is_netwinder() && whichDev == SOUND_MIXER_PHONEOUT)
whichDev = SOUND_MIXER_VOLUME;
if (mix_devs[whichDev].reg_l || mix_devs[whichDev].reg_r) {
const struct mix_ent *mix = mix_devs + whichDev;
unsigned int mask, left, right;
mask = mix->max << mix->shift;
lev_left = SCALE(lev_left, mix->max) << mix->shift;
lev_right = SCALE(lev_right, mix->max) << mix->shift;
/* read left setting */
left = waveartist_cmd1_r(devc, WACMD_GET_LEVEL |
mix->reg_l << 8);
/* read right setting */
right = waveartist_cmd1_r(devc, WACMD_GET_LEVEL |
mix->reg_r << 8);
left = (left & ~mask) | (lev_left & mask);
right = (right & ~mask) | (lev_right & mask);
/* write left,right back */
waveartist_cmd3(devc, WACMD_SET_MIXER, left, right);
} else {
switch(whichDev) {
case SOUND_MIXER_PCM:
waveartist_cmd3(devc, WACMD_SET_LEVEL,
SCALE(lev_left, 32767),
SCALE(lev_right, 32767));
break;
case SOUND_MIXER_SYNTH:
waveartist_cmd3(devc, 0x0100 | WACMD_SET_LEVEL,
SCALE(lev_left, 32767),
SCALE(lev_right, 32767));
break;
}
}
}
/*
* Set the ADC MUX to the specified values. We do NOT do any
* checking of the values passed, since we assume that the
* relevant *_select_input function has done that for us.
*/
static void
waveartist_set_adc_mux(wavnc_info *devc, char left_dev, char right_dev)
{
unsigned int reg_08, reg_09;
reg_08 = waveartist_cmd1_r(devc, WACMD_GET_LEVEL | 0x0800);
reg_09 = waveartist_cmd1_r(devc, WACMD_GET_LEVEL | 0x0900);
reg_08 = (reg_08 & ~0x3f) | right_dev << 3 | left_dev;
waveartist_cmd3(devc, WACMD_SET_MIXER, reg_08, reg_09);
}
/*
* Decode a recording mask into a mixer selection as follows:
*
* OSS Source WA Source Actual source
* SOUND_MASK_IMIX Mixer Mixer output (same as AD1848)
* SOUND_MASK_LINE Line Line in