+++ /dev/null
-/*
- * 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/slab.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/bitops.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 */
-};
-
-struct wavnc_info {
- 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
-};
-
-/*
- * 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)(struct wavnc_info *, unsigned int,
- unsigned char *, unsigned char *);
- int (*decode_mixer)(struct wavnc_info *, int,
- unsigned char, unsigned char);
- int (*get_mixer)(struct wavnc_info *, int);
-};
-
-struct wavnc_port_info {
- int open_mode;
- int speed;
- int channels;
- int audio_format;
-};
-
-static int nr_waveartist_devs;
-static struct 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(struct 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(struct 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 = msecs_to_jiffies(timeout_ms*100);
- return schedule_timeout_interruptible(timeout);
-}
-
-static int
-waveartist_reset(struct 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(struct 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(struct 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(struct 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(struct 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(struct 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(struct 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)
-{
- struct wavnc_info *devc;
- struct wavnc_port_info *portc;
- unsigned long flags;
-
- if (dev < 0 || dev >= num_audiodevs)
- return -ENXIO;
-
- devc = (struct wavnc_info *) audio_devs[dev]->devc;
- portc = (struct 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)
-{
- struct wavnc_info *devc = (struct wavnc_info *)
- audio_devs[dev]->devc;
- struct wavnc_port_info *portc = (struct 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)
-{
- struct wavnc_port_info *portc = (struct wavnc_port_info *)
- audio_devs[dev]->portc;
- struct wavnc_info *devc = (struct 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)
-{
- struct wavnc_port_info *portc = (struct wavnc_port_info *)
- audio_devs[dev]->portc;
- struct wavnc_info *devc = (struct 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(struct 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(struct 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;
- struct wavnc_info *devc = (struct wavnc_info *)
- audio_devs[dev]->devc;
- struct wavnc_port_info *portc = (struct 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;
- struct wavnc_info *devc = (struct wavnc_info *)
- audio_devs[dev]->devc;
- struct wavnc_port_info *portc = (struct 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)
-{
- struct wavnc_port_info *portc = (struct wavnc_port_info *)
- audio_devs[dev]->portc;
- struct wavnc_info *devc;
-
- if (portc->open_mode & OPEN_WRITE)
- waveartist_halt_output(dev);
-
- if (portc->open_mode & OPEN_READ)
- waveartist_halt_input(dev);
-
- devc = (struct wavnc_info *) audio_devs[dev]->devc;
- devc->audio_mode = 0;
-}
-
-static void
-waveartist_halt_input(int dev)
-{
- struct wavnc_info *devc = (struct 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)
-{
- struct wavnc_info *devc = (struct 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)
-{
- struct wavnc_info *devc = (struct wavnc_info *)
- audio_devs[dev]->devc;
- struct wavnc_port_info *portc = (struct 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)
-{
- struct wavnc_port_info *portc = (struct 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)
-{
- struct wavnc_port_info *portc = (struct 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)
-{
- struct wavnc_port_info *portc = (struct 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)
-{
- struct 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(struct 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(struct 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(struct 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(struct 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(struct 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(struct 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(struct 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)
-{
- struct wavnc_info *devc = (struct 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(struct 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(struct wavnc_info *devc)
-{
- struct 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(struct 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)
-{
- struct 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)
-{
- struct 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()) {
- setup_timer(&vnc_timer, vnc_slider_tick,
- nr_waveartist_devs);
- mod_timer(&vnc_timer, jiffies);
-
- vnc_configure_mixer(devc, 0);
-
- devc->no_autoselect = 1;
- }
-#endif
- nr_waveartist_devs += 1;
- }
-}
-
-static void __exit unload_waveartist(struct address_info *hw)
-{
- struct 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
-
-static inline void
-vnc_mute_spkr(struct wavnc_info *devc)
-{
- unsigned long flags;
-
- raw_spin_lock_irqsave(&nw_gpio_lock, flags);
- nw_cpld_modify(CPLD_UNMUTE, devc->spkr_mute_state ? 0 : CPLD_UNMUTE);
- raw_spin_unlock_irqrestore(&nw_gpio_lock, flags);
-}
-
-static void
-vnc_mute_lout(struct 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(struct 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(struct 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(struct 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(struct 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(struct 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(struct 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)
-{
- struct wavnc_info *devc = (struct 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_hw(io, int, ioport, 0); /* IO base */
-module_param_hw(irq, int, irq, 0); /* IRQ */
-module_param_hw(dma, int, dma, 0); /* DMA */
-module_param_hw(dma2, int, dma, 0); /* DMA2 */
-MODULE_LICENSE("GPL");
git.samba.org / sfrench / cifs-2.6.git / blobdiff