diff options
Diffstat (limited to 'sound/oss/waveartist.c')
| -rw-r--r-- | sound/oss/waveartist.c | 2035 |
1 files changed, 2035 insertions, 0 deletions
diff --git a/sound/oss/waveartist.c b/sound/oss/waveartist.c new file mode 100644 index 0000000..99d04ad --- /dev/null +++ b/sound/oss/waveartist.c @@ -0,0 +1,2035 @@ +/* + * linux/drivers/sound/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/config.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, struct pt_regs *regs) +{ + 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 = (wavnc_port_info *)kmalloc(sizeof(wavnc_port_info), GFP_KERNEL); + if (portc == NULL) + goto nomem; + + memset(portc, 0, sizeof(wavnc_port_info)); + + 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_PARM(io, "i"); /* IO base */ +MODULE_PARM(irq, "i"); /* IRQ */ +MODULE_PARM(dma, "i"); /* DMA */ +MODULE_PARM(dma2, "i"); /* DMA2 */ +MODULE_LICENSE("GPL"); |
