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kernel_optimize_test/sound/oss/waveartist.c
Robert P. J. Day 3159f06dc2 [PATCH] OSS: replace kmalloc()+memset() combos with kzalloc() 
Replace kmalloc() + memset() pairs with the appropriate kzalloc() calls.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-14 08:09:54 -08:00

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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 (rmk@arm.linux.org.uk)
* and Pat Beirne (patb@corel.ca)
*
*
* 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 <bkz@linux-ide.org>
* 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/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 <asm/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 = (wavnc_info *)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
* SOUND_MASK_LINE1 Aux 1 Aux 1 in
* SOUND_MASK_LINE2 Aux 2 Aux 2 in
* SOUND_MASK_MIC Mic Microphone
*/
static unsigned int
waveartist_select_input(wavnc_info *devc, unsigned int recmask,
unsigned char *dev_l, unsigned char *dev_r)
{
unsigned int recdev = ADC_MUX_NONE;
if (recmask & SOUND_MASK_IMIX) {
recmask = SOUND_MASK_IMIX;
recdev = ADC_MUX_MIXER;
} else if (recmask & SOUND_MASK_LINE2) {
recmask = SOUND_MASK_LINE2;
recdev = ADC_MUX_AUX2;
} else if (recmask & SOUND_MASK_LINE1) {
recmask = SOUND_MASK_LINE1;
recdev = ADC_MUX_AUX1;
} else if (recmask & SOUND_MASK_LINE) {
recmask = SOUND_MASK_LINE;
recdev = ADC_MUX_LINE;
} else if (recmask & SOUND_MASK_MIC) {
recmask = SOUND_MASK_MIC;
recdev = ADC_MUX_MIC;
}
*dev_l = *dev_r = recdev;
return recmask;
}
static int
waveartist_decode_mixer(wavnc_info *devc, int dev, unsigned char lev_l,
unsigned char lev_r)
{
switch (dev) {
case SOUND_MIXER_VOLUME:
case SOUND_MIXER_SYNTH:
case SOUND_MIXER_PCM:
case SOUND_MIXER_LINE:
case SOUND_MIXER_MIC:
case SOUND_MIXER_IGAIN:
case SOUND_MIXER_LINE1:
case SOUND_MIXER_LINE2:
devc->levels[dev] = lev_l | lev_r << 8;
break;
case SOUND_MIXER_IMIX:
break;
default:
dev = -EINVAL;
break;
}
return dev;
}
static int waveartist_get_mixer(wavnc_info *devc, int dev)
{
return devc->levels[dev];
}
static const struct waveartist_mixer_info waveartist_mixer = {
.supported_devs = SUPPORTED_MIXER_DEVICES | SOUND_MASK_IGAIN,
.recording_devs = SOUND_MASK_LINE | SOUND_MASK_MIC |
SOUND_MASK_LINE1 | SOUND_MASK_LINE2 |
SOUND_MASK_IMIX,
.stereo_devs = (SUPPORTED_MIXER_DEVICES | SOUND_MASK_IGAIN) & ~
(SOUND_MASK_SPEAKER | SOUND_MASK_IMIX),
.select_input = waveartist_select_input,
.decode_mixer = waveartist_decode_mixer,
.get_mixer = waveartist_get_mixer,
};
static void
waveartist_set_recmask(wavnc_info *devc, unsigned int recmask)
{
unsigned char dev_l, dev_r;
recmask &= devc->mix->recording_devs;
/*
* If more than one recording device selected,
* disable the device that is currently in use.
*/
if (hweight32(recmask) > 1)
recmask &= ~devc->recmask;
/*
* Translate the recording device mask into
* the ADC multiplexer settings.
*/
devc->recmask = devc->mix->select_input(devc, recmask,
&dev_l, &dev_r);
waveartist_set_adc_mux(devc, dev_l, dev_r);
}
static int
waveartist_set_mixer(wavnc_info *devc, int dev, unsigned int level)
{
unsigned int lev_left = level & 0x00ff;
unsigned int lev_right = (level & 0xff00) >> 8;
if (lev_left > 100)
lev_left = 100;
if (lev_right > 100)
lev_right = 100;
/*
* Mono devices have their right volume forced to their
* left volume. (from ALSA driver OSS emulation).
*/
if (!(devc->mix->stereo_devs & (1 << dev)))
lev_right = lev_left;
dev = devc->mix->decode_mixer(devc, dev, lev_left, lev_right);
if (dev >= 0)
waveartist_mixer_update(devc, dev);
return dev < 0 ? dev : 0;
}
static int
waveartist_mixer_ioctl(int dev, unsigned int cmd, void __user * arg)
{
wavnc_info *devc = (wavnc_info *)audio_devs[dev]->devc;
int ret = 0, val, nr;
/*
* All SOUND_MIXER_* ioctls use type 'M'
*/
if (((cmd >> 8) & 255) != 'M')
return -ENOIOCTLCMD;
#ifdef CONFIG_ARCH_NETWINDER
if (machine_is_netwinder()) {
ret = vnc_private_ioctl(dev, cmd, arg);
if (ret != -ENOIOCTLCMD)
return ret;
else
ret = 0;
}
#endif
nr = cmd & 0xff;
if (_SIOC_DIR(cmd) & _SIOC_WRITE) {
if (get_user(val, (int __user *)arg))
return -EFAULT;
switch (nr) {
case SOUND_MIXER_RECSRC:
waveartist_set_recmask(devc, val);
break;
default:
ret = -EINVAL;
if (nr < SOUND_MIXER_NRDEVICES &&
devc->mix->supported_devs & (1 << nr))
ret = waveartist_set_mixer(devc, nr, val);
}
}
if (ret == 0 && _SIOC_DIR(cmd) & _SIOC_READ) {
ret = -EINVAL;
switch (nr) {
case SOUND_MIXER_RECSRC:
ret = devc->recmask;
break;
case SOUND_MIXER_DEVMASK:
ret = devc->mix->supported_devs;
break;
case SOUND_MIXER_STEREODEVS:
ret = devc->mix->stereo_devs;
break;
case SOUND_MIXER_RECMASK:
ret = devc->mix->recording_devs;
break;
case SOUND_MIXER_CAPS:
ret = SOUND_CAP_EXCL_INPUT;
break;
default:
if (nr < SOUND_MIXER_NRDEVICES)
ret = devc->mix->get_mixer(devc, nr);
break;
}
if (ret >= 0)
ret = put_user(ret, (int __user *)arg) ? -EFAULT : 0;
}
return ret;
}
static struct mixer_operations waveartist_mixer_operations =
{
.owner = THIS_MODULE,
.id = "WaveArtist",
.name = "WaveArtist",
.ioctl = waveartist_mixer_ioctl
};
static void
waveartist_mixer_reset(wavnc_info *devc)
{
int i;
if (debug_flg & DEBUG_MIXER)
printk("%s: mixer_reset\n", devc->hw.name);
/*
* reset mixer cmd
*/
waveartist_cmd1(devc, WACMD_RST_MIXER);
/*
* set input for ADC to come from 'quiet'
* turn on default modes
*/
waveartist_cmd3(devc, WACMD_SET_MIXER, 0x9800, 0xa836);
/*
* set mixer input select to none, RX filter gains 0 dB
*/
waveartist_cmd3(devc, WACMD_SET_MIXER, 0x4c00, 0x8c00);
/*
* set bit 0 reg 2 to 1 - unmute MonoOut
*/
waveartist_cmd3(devc, WACMD_SET_MIXER, 0x2801, 0x6800);
/* set default input device = internal mic
* current recording device = none
*/
waveartist_set_recmask(devc, 0);
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
waveartist_mixer_update(devc, i);
}
static int __init waveartist_init(wavnc_info *devc)
{
wavnc_port_info *portc;
char rev[3], dev_name[64];
int my_dev;
if (waveartist_reset(devc))
return -ENODEV;
sprintf(dev_name, "%s (%s", devc->hw.name, devc->chip_name);
if (waveartist_getrev(devc, rev)) {
strcat(dev_name, " rev. ");
strcat(dev_name, rev);
}
strcat(dev_name, ")");
conf_printf2(dev_name, devc->hw.io_base, devc->hw.irq,
devc->hw.dma, devc->hw.dma2);
portc = kzalloc(sizeof(wavnc_port_info), GFP_KERNEL);
if (portc == NULL)
goto nomem;
my_dev = sound_install_audiodrv(AUDIO_DRIVER_VERSION, dev_name,
&waveartist_audio_driver, sizeof(struct audio_driver),
devc->audio_flags, AFMT_U8 | AFMT_S16_LE | AFMT_S8,
devc, devc->hw.dma, devc->hw.dma2);
if (my_dev < 0)
goto free;
audio_devs[my_dev]->portc = portc;
waveartist_mixer_reset(devc);
/*
* clear any pending interrupt
*/
waveartist_iack(devc);
if (request_irq(devc->hw.irq, waveartist_intr, 0, devc->hw.name, devc) < 0) {
printk(KERN_ERR "%s: IRQ %d in use\n",
devc->hw.name, devc->hw.irq);
goto uninstall;
}
if (sound_alloc_dma(devc->hw.dma, devc->hw.name)) {
printk(KERN_ERR "%s: Can't allocate DMA%d\n",
devc->hw.name, devc->hw.dma);
goto uninstall_irq;
}
if (devc->hw.dma != devc->hw.dma2 && devc->hw.dma2 != NO_DMA)
if (sound_alloc_dma(devc->hw.dma2, devc->hw.name)) {
printk(KERN_ERR "%s: can't allocate DMA%d\n",
devc->hw.name, devc->hw.dma2);
goto uninstall_dma;
}
waveartist_set_ctlr(&devc->hw, 0, DMA1_IE | DMA0_IE);
audio_devs[my_dev]->mixer_dev =
sound_install_mixer(MIXER_DRIVER_VERSION,
dev_name,
&waveartist_mixer_operations,
sizeof(struct mixer_operations),
devc);
return my_dev;
uninstall_dma:
sound_free_dma(devc->hw.dma);
uninstall_irq:
free_irq(devc->hw.irq, devc);
uninstall:
sound_unload_audiodev(my_dev);
free:
kfree(portc);
nomem:
return -1;
}
static int __init probe_waveartist(struct address_info *hw_config)
{
wavnc_info *devc = &adev_info[nr_waveartist_devs];
if (nr_waveartist_devs >= MAX_AUDIO_DEV) {
printk(KERN_WARNING "waveartist: too many audio devices\n");
return 0;
}
if (!request_region(hw_config->io_base, 15, hw_config->name)) {
printk(KERN_WARNING "WaveArtist: I/O port conflict\n");
return 0;
}
if (hw_config->irq > 15 || hw_config->irq < 0) {
release_region(hw_config->io_base, 15);
printk(KERN_WARNING "WaveArtist: Bad IRQ %d\n",
hw_config->irq);
return 0;
}
if (hw_config->dma != 3) {
release_region(hw_config->io_base, 15);
printk(KERN_WARNING "WaveArtist: Bad DMA %d\n",
hw_config->dma);
return 0;
}
hw_config->name = "WaveArtist";
devc->hw = *hw_config;
devc->open_mode = 0;
devc->chip_name = "RWA-010";
return 1;
}
static void __init
attach_waveartist(struct address_info *hw, const struct waveartist_mixer_info *mix)
{
wavnc_info *devc = &adev_info[nr_waveartist_devs];
/*
* NOTE! If irq < 0, there is another driver which has allocated the
* IRQ so that this driver doesn't need to allocate/deallocate it.
* The actually used IRQ is ABS(irq).
*/
devc->hw = *hw;
devc->hw.irq = (hw->irq > 0) ? hw->irq : 0;
devc->open_mode = 0;
devc->playback_dev = 0;
devc->record_dev = 0;
devc->audio_flags = DMA_AUTOMODE;
devc->levels = levels;
if (hw->dma != hw->dma2 && hw->dma2 != NO_DMA)
devc->audio_flags |= DMA_DUPLEX;
devc->mix = mix;
devc->dev_no = waveartist_init(devc);
if (devc->dev_no < 0)
release_region(hw->io_base, 15);
else {
#ifdef CONFIG_ARCH_NETWINDER
if (machine_is_netwinder()) {
init_timer(&vnc_timer);
vnc_timer.function = vnc_slider_tick;
vnc_timer.expires = jiffies;
vnc_timer.data = nr_waveartist_devs;
add_timer(&vnc_timer);
vnc_configure_mixer(devc, 0);
devc->no_autoselect = 1;
}
#endif
nr_waveartist_devs += 1;
}
}
static void __exit unload_waveartist(struct address_info *hw)
{
wavnc_info *devc = NULL;
int i;
for (i = 0; i < nr_waveartist_devs; i++)
if (hw->io_base == adev_info[i].hw.io_base) {
devc = adev_info + i;
break;
}
if (devc != NULL) {
int mixer;
#ifdef CONFIG_ARCH_NETWINDER
if (machine_is_netwinder())
del_timer(&vnc_timer);
#endif
release_region(devc->hw.io_base, 15);
waveartist_set_ctlr(&devc->hw, DMA1_IE|DMA0_IE, 0);
if (devc->hw.irq >= 0)
free_irq(devc->hw.irq, devc);
sound_free_dma(devc->hw.dma);
if (devc->hw.dma != devc->hw.dma2 &&
devc->hw.dma2 != NO_DMA)
sound_free_dma(devc->hw.dma2);
mixer = audio_devs[devc->dev_no]->mixer_dev;
if (mixer >= 0)
sound_unload_mixerdev(mixer);
if (devc->dev_no >= 0)
sound_unload_audiodev(devc->dev_no);
nr_waveartist_devs -= 1;
for (; i < nr_waveartist_devs; i++)
adev_info[i] = adev_info[i + 1];
} else
printk(KERN_WARNING "waveartist: can't find device "
"to unload\n");
}
#ifdef CONFIG_ARCH_NETWINDER
/*
* Rebel.com Netwinder specifics...
*/
#include <asm/hardware/dec21285.h>
#define VNC_TIMER_PERIOD (HZ/4) //check slider 4 times/sec
#define MIXER_PRIVATE3_RESET 0x53570000
#define MIXER_PRIVATE3_READ 0x53570001
#define MIXER_PRIVATE3_WRITE 0x53570002
#define VNC_MUTE_INTERNAL_SPKR 0x01 //the sw mute on/off control bit
#define VNC_MUTE_LINE_OUT 0x10
#define VNC_PHONE_DETECT 0x20
#define VNC_HANDSET_DETECT 0x40
#define VNC_DISABLE_AUTOSWITCH 0x80
extern spinlock_t gpio_lock;
static inline void
vnc_mute_spkr(wavnc_info *devc)
{
unsigned long flags;
spin_lock_irqsave(&gpio_lock, flags);
cpld_modify(CPLD_UNMUTE, devc->spkr_mute_state ? 0 : CPLD_UNMUTE);
spin_unlock_irqrestore(&gpio_lock, flags);
}
static void
vnc_mute_lout(wavnc_info *devc)
{
unsigned int left, right;
left = waveartist_cmd1_r(devc, WACMD_GET_LEVEL);
right = waveartist_cmd1_r(devc, WACMD_GET_LEVEL | 0x400);
if (devc->line_mute_state) {
left &= ~1;
right &= ~1;
} else {
left |= 1;
right |= 1;
}
waveartist_cmd3(devc, WACMD_SET_MIXER, left, right);
}
static int
vnc_volume_slider(wavnc_info *devc)
{
static signed int old_slider_volume;
unsigned long flags;
signed int volume = 255;
*CSR_TIMER1_LOAD = 0x00ffffff;
spin_lock_irqsave(&waveartist_lock, flags);
outb(0xFF, 0x201);
*CSR_TIMER1_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_DIV1;
while (volume && (inb(0x201) & 0x01))
volume--;
*CSR_TIMER1_CNTL = 0;
spin_unlock_irqrestore(&waveartist_lock,flags);
volume = 0x00ffffff - *CSR_TIMER1_VALUE;
#ifndef REVERSE
volume = 150 - (volume >> 5);
#else
volume = (volume >> 6) - 25;
#endif
if (volume < 0)
volume = 0;
if (volume > 100)
volume = 100;
/*
* slider quite often reads +-8, so debounce this random noise
*/
if (abs(volume - old_slider_volume) > 7) {
old_slider_volume = volume;
if (debug_flg & DEBUG_MIXER)
printk(KERN_DEBUG "Slider volume: %d.\n", volume);
}
return old_slider_volume;
}
/*
* Decode a recording mask into a mixer selection on the NetWinder
* as follows:
*
* OSS Source WA Source Actual source
* SOUND_MASK_IMIX Mixer Mixer output (same as AD1848)
* SOUND_MASK_LINE Line Line in
* SOUND_MASK_LINE1 Left Mic Handset
* SOUND_MASK_PHONEIN Left Aux Telephone microphone
* SOUND_MASK_MIC Right Mic Builtin microphone
*/
static unsigned int
netwinder_select_input(wavnc_info *devc, unsigned int recmask,
unsigned char *dev_l, unsigned char *dev_r)
{
unsigned int recdev_l = ADC_MUX_NONE, recdev_r = ADC_MUX_NONE;
if (recmask & SOUND_MASK_IMIX) {
recmask = SOUND_MASK_IMIX;
recdev_l = ADC_MUX_MIXER;
recdev_r = ADC_MUX_MIXER;
} else if (recmask & SOUND_MASK_LINE) {
recmask = SOUND_MASK_LINE;
recdev_l = ADC_MUX_LINE;
recdev_r = ADC_MUX_LINE;
} else if (recmask & SOUND_MASK_LINE1) {
recmask = SOUND_MASK_LINE1;
waveartist_cmd1(devc, WACMD_SET_MONO); /* left */
recdev_l = ADC_MUX_MIC;
recdev_r = ADC_MUX_NONE;
} else if (recmask & SOUND_MASK_PHONEIN) {
recmask = SOUND_MASK_PHONEIN;
waveartist_cmd1(devc, WACMD_SET_MONO); /* left */
recdev_l = ADC_MUX_AUX1;
recdev_r = ADC_MUX_NONE;
} else if (recmask & SOUND_MASK_MIC) {
recmask = SOUND_MASK_MIC;
waveartist_cmd1(devc, WACMD_SET_MONO | 0x100); /* right */
recdev_l = ADC_MUX_NONE;
recdev_r = ADC_MUX_MIC;
}
*dev_l = recdev_l;
*dev_r = recdev_r;
return recmask;
}
static int
netwinder_decode_mixer(wavnc_info *devc, int dev, unsigned char lev_l,
unsigned char lev_r)
{
switch (dev) {
case SOUND_MIXER_VOLUME:
case SOUND_MIXER_SYNTH:
case SOUND_MIXER_PCM:
case SOUND_MIXER_LINE:
case SOUND_MIXER_IGAIN:
devc->levels[dev] = lev_l | lev_r << 8;
break;
case SOUND_MIXER_MIC: /* right mic only */
devc->levels[SOUND_MIXER_MIC] &= 0xff;
devc->levels[SOUND_MIXER_MIC] |= lev_l << 8;
break;
case SOUND_MIXER_LINE1: /* left mic only */
devc->levels[SOUND_MIXER_MIC] &= 0xff00;
devc->levels[SOUND_MIXER_MIC] |= lev_l;
dev = SOUND_MIXER_MIC;
break;
case SOUND_MIXER_PHONEIN: /* left aux only */
devc->levels[SOUND_MIXER_LINE1] = lev_l;
dev = SOUND_MIXER_LINE1;
break;
case SOUND_MIXER_IMIX:
case SOUND_MIXER_PHONEOUT:
break;
default:
dev = -EINVAL;
break;
}
return dev;
}
static int netwinder_get_mixer(wavnc_info *devc, int dev)
{
int levels;
switch (dev) {
case SOUND_MIXER_VOLUME:
case SOUND_MIXER_SYNTH:
case SOUND_MIXER_PCM:
case SOUND_MIXER_LINE:
case SOUND_MIXER_IGAIN:
levels = devc->levels[dev];
break;
case SOUND_MIXER_MIC: /* builtin mic: right mic only */
levels = devc->levels[SOUND_MIXER_MIC] >> 8;
levels |= levels << 8;
break;
case SOUND_MIXER_LINE1: /* handset mic: left mic only */
levels = devc->levels[SOUND_MIXER_MIC] & 0xff;
levels |= levels << 8;
break;
case SOUND_MIXER_PHONEIN: /* phone mic: left aux1 only */
levels = devc->levels[SOUND_MIXER_LINE1] & 0xff;
levels |= levels << 8;
break;
default:
levels = 0;
}
return levels;
}
/*
* Waveartist specific mixer information.
*/
static const struct waveartist_mixer_info netwinder_mixer = {
.supported_devs = SOUND_MASK_VOLUME | SOUND_MASK_SYNTH |
SOUND_MASK_PCM | SOUND_MASK_SPEAKER |
SOUND_MASK_LINE | SOUND_MASK_MIC |
SOUND_MASK_IMIX | SOUND_MASK_LINE1 |
SOUND_MASK_PHONEIN | SOUND_MASK_PHONEOUT|
SOUND_MASK_IGAIN,
.recording_devs = SOUND_MASK_LINE | SOUND_MASK_MIC |
SOUND_MASK_IMIX | SOUND_MASK_LINE1 |
SOUND_MASK_PHONEIN,
.stereo_devs = SOUND_MASK_VOLUME | SOUND_MASK_SYNTH |
SOUND_MASK_PCM | SOUND_MASK_LINE |
SOUND_MASK_IMIX | SOUND_MASK_IGAIN,
.select_input = netwinder_select_input,
.decode_mixer = netwinder_decode_mixer,
.get_mixer = netwinder_get_mixer,
};
static void
vnc_configure_mixer(wavnc_info *devc, unsigned int recmask)
{
if (!devc->no_autoselect) {
if (devc->handset_detect) {
recmask = SOUND_MASK_LINE1;
devc->spkr_mute_state = devc->line_mute_state = 1;
} else if (devc->telephone_detect) {
recmask = SOUND_MASK_PHONEIN;
devc->spkr_mute_state = devc->line_mute_state = 1;
} else {
/* unless someone has asked for LINE-IN,
* we default to MIC
*/
if ((devc->recmask & SOUND_MASK_LINE) == 0)
devc->recmask = SOUND_MASK_MIC;
devc->spkr_mute_state = devc->line_mute_state = 0;
}
vnc_mute_spkr(devc);
vnc_mute_lout(devc);
if (recmask != devc->recmask)
waveartist_set_recmask(devc, recmask);
}
}
static int
vnc_slider(wavnc_info *devc)
{
signed int slider_volume;
unsigned int temp, old_hs, old_td;
/*
* read the "buttons" state.
* Bit 4 = 0 means handset present
* Bit 5 = 1 means phone offhook
*/
temp = inb(0x201);
old_hs = devc->handset_detect;
old_td = devc->telephone_detect;
devc->handset_detect = !(temp & 0x10);
devc->telephone_detect = !!(temp & 0x20);
if (!devc->no_autoselect &&
(old_hs != devc->handset_detect ||
old_td != devc->telephone_detect))
vnc_configure_mixer(devc, devc->recmask);
slider_volume = vnc_volume_slider(devc);
/*
* If we're using software controlled volume, and
* the slider moves by more than 20%, then we
* switch back to slider controlled volume.
*/
if (abs(devc->slider_vol - slider_volume) > 20)
devc->use_slider = 1;
/*
* use only left channel
*/
temp = levels[SOUND_MIXER_VOLUME] & 0xFF;
if (slider_volume != temp && devc->use_slider) {
devc->slider_vol = slider_volume;
waveartist_set_mixer(devc, SOUND_MIXER_VOLUME,
slider_volume | slider_volume << 8);
return 1;
}
return 0;
}
static void
vnc_slider_tick(unsigned long data)
{
int next_timeout;
if (vnc_slider(adev_info + data))
next_timeout = 5; // mixer reported change
else
next_timeout = VNC_TIMER_PERIOD;
mod_timer(&vnc_timer, jiffies + next_timeout);
}
static int
vnc_private_ioctl(int dev, unsigned int cmd, int __user * arg)
{
wavnc_info *devc = (wavnc_info *)audio_devs[dev]->devc;
int val;
switch (cmd) {
case SOUND_MIXER_PRIVATE1:
{
u_int prev_spkr_mute, prev_line_mute, prev_auto_state;
int val;
if (get_user(val, arg))
return -EFAULT;
/* check if parameter is logical */
if (val & ~(VNC_MUTE_INTERNAL_SPKR |
VNC_MUTE_LINE_OUT |
VNC_DISABLE_AUTOSWITCH))
return -EINVAL;
prev_auto_state = devc->no_autoselect;
prev_spkr_mute = devc->spkr_mute_state;
prev_line_mute = devc->line_mute_state;
devc->no_autoselect = (val & VNC_DISABLE_AUTOSWITCH) ? 1 : 0;
devc->spkr_mute_state = (val & VNC_MUTE_INTERNAL_SPKR) ? 1 : 0;
devc->line_mute_state = (val & VNC_MUTE_LINE_OUT) ? 1 : 0;
if (prev_spkr_mute != devc->spkr_mute_state)
vnc_mute_spkr(devc);
if (prev_line_mute != devc->line_mute_state)
vnc_mute_lout(devc);
if (prev_auto_state != devc->no_autoselect)
vnc_configure_mixer(devc, devc->recmask);
return 0;
}
case SOUND_MIXER_PRIVATE2:
if (get_user(val, arg))
return -EFAULT;
switch (val) {
#define VNC_SOUND_PAUSE 0x53 //to pause the DSP
#define VNC_SOUND_RESUME 0x57 //to unpause the DSP
case VNC_SOUND_PAUSE:
waveartist_cmd1(devc, 0x16);
break;
case VNC_SOUND_RESUME:
waveartist_cmd1(devc, 0x18);
break;
default:
return -EINVAL;
}
return 0;
/* private ioctl to allow bulk access to waveartist */
case SOUND_MIXER_PRIVATE3:
{
unsigned long flags;
int mixer_reg[15], i, val;
if (get_user(val, arg))
return -EFAULT;
if (copy_from_user(mixer_reg, (void *)val, sizeof(mixer_reg)))
return -EFAULT;
switch (mixer_reg[14]) {
case MIXER_PRIVATE3_RESET:
waveartist_mixer_reset(devc);
break;
case MIXER_PRIVATE3_WRITE:
waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[0], mixer_reg[4]);
waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[1], mixer_reg[5]);
waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[2], mixer_reg[6]);
waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[3], mixer_reg[7]);
waveartist_cmd3(devc, WACMD_SET_MIXER, mixer_reg[8], mixer_reg[9]);
waveartist_cmd3(devc, WACMD_SET_LEVEL, mixer_reg[10], mixer_reg[11]);
waveartist_cmd3(devc, WACMD_SET_LEVEL, mixer_reg[12], mixer_reg[13]);
break;
case MIXER_PRIVATE3_READ:
spin_lock_irqsave(&waveartist_lock, flags);
for (i = 0x30; i < 14 << 8; i += 1 << 8)
waveartist_cmd(devc, 1, &i, 1, mixer_reg + (i >> 8));
spin_unlock_irqrestore(&waveartist_lock, flags);
if (copy_to_user((void *)val, mixer_reg, sizeof(mixer_reg)))
return -EFAULT;
break;
default:
return -EINVAL;
}
return 0;
}
/* read back the state from PRIVATE1 */
case SOUND_MIXER_PRIVATE4:
val = (devc->spkr_mute_state ? VNC_MUTE_INTERNAL_SPKR : 0) |
(devc->line_mute_state ? VNC_MUTE_LINE_OUT : 0) |
(devc->handset_detect ? VNC_HANDSET_DETECT : 0) |
(devc->telephone_detect ? VNC_PHONE_DETECT : 0) |
(devc->no_autoselect ? VNC_DISABLE_AUTOSWITCH : 0);
return put_user(val, arg) ? -EFAULT : 0;
}
if (_SIOC_DIR(cmd) & _SIOC_WRITE) {
/*
* special case for master volume: if we
* received this call - switch from hw
* volume control to a software volume
* control, till the hw volume is modified
* to signal that user wants to be back in
* hardware...
*/
if ((cmd & 0xff) == SOUND_MIXER_VOLUME)
devc->use_slider = 0;
/* speaker output */
if ((cmd & 0xff) == SOUND_MIXER_SPEAKER) {
unsigned int val, l, r;
if (get_user(val, arg))
return -EFAULT;
l = val & 0x7f;
r = (val & 0x7f00) >> 8;
val = (l + r) / 2;
devc->levels[SOUND_MIXER_SPEAKER] = val | (val << 8);
devc->spkr_mute_state = (val <= 50);
vnc_mute_spkr(devc);
return 0;
}
}
return -ENOIOCTLCMD;
}
#endif
static struct address_info cfg;
static int attached;
static int __initdata io = 0;
static int __initdata irq = 0;
static int __initdata dma = 0;
static int __initdata dma2 = 0;
static int __init init_waveartist(void)
{
const struct waveartist_mixer_info *mix;
if (!io && machine_is_netwinder()) {
/*
* The NetWinder WaveArtist is at a fixed address.
* If the user does not supply an address, use the
* well-known parameters.
*/
io = 0x250;
irq = 12;
dma = 3;
dma2 = 7;
}
mix = &waveartist_mixer;
#ifdef CONFIG_ARCH_NETWINDER
if (machine_is_netwinder())
mix = &netwinder_mixer;
#endif
cfg.io_base = io;
cfg.irq = irq;
cfg.dma = dma;
cfg.dma2 = dma2;
if (!probe_waveartist(&cfg))
return -ENODEV;
attach_waveartist(&cfg, mix);
attached = 1;
return 0;
}
static void __exit cleanup_waveartist(void)
{
if (attached)
unload_waveartist(&cfg);
}
module_init(init_waveartist);
module_exit(cleanup_waveartist);
#ifndef MODULE
static int __init setup_waveartist(char *str)
{
/* io, irq, dma, dma2 */
int ints[5];
str = get_options(str, ARRAY_SIZE(ints), ints);
io = ints[1];
irq = ints[2];
dma = ints[3];
dma2 = ints[4];
return 1;
}
__setup("waveartist=", setup_waveartist);
#endif
MODULE_DESCRIPTION("Rockwell WaveArtist RWA-010 sound driver");
module_param(io, int, 0); /* IO base */
module_param(irq, int, 0); /* IRQ */
module_param(dma, int, 0); /* DMA */
module_param(dma2, int, 0); /* DMA2 */
MODULE_LICENSE("GPL");
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