diff options
Diffstat (limited to 'sound/oss/msnd_pinnacle.c')
| -rw-r--r-- | sound/oss/msnd_pinnacle.c | 1922 |
1 files changed, 1922 insertions, 0 deletions
diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c new file mode 100644 index 00000000000..6ba03f89fc4 --- /dev/null +++ b/sound/oss/msnd_pinnacle.c @@ -0,0 +1,1922 @@ +/********************************************************************* + * + * Turtle Beach MultiSound Sound Card Driver for Linux + * Linux 2.0/2.2 Version + * + * msnd_pinnacle.c / msnd_classic.c + * + * -- If MSND_CLASSIC is defined: + * + * -> driver for Turtle Beach Classic/Monterey/Tahiti + * + * -- Else + * + * -> driver for Turtle Beach Pinnacle/Fiji + * + * Copyright (C) 1998 Andrew Veliath + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * $Id: msnd_pinnacle.c,v 1.8 2000/12/30 00:33:21 sycamore Exp $ + * + * 12-3-2000 Modified IO port validation Steve Sycamore + * + * + * $$$: msnd_pinnacle.c,v 1.75 1999/03/21 16:50:09 andrewtv $$$ $ + * + ********************************************************************/ + +#include <linux/kernel.h> +#include <linux/config.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/smp_lock.h> +#include <asm/irq.h> +#include <asm/io.h> +#include "sound_config.h" +#include "sound_firmware.h" +#ifdef MSND_CLASSIC +# ifndef __alpha__ +# define SLOWIO +# endif +#endif +#include "msnd.h" +#ifdef MSND_CLASSIC +# ifdef CONFIG_MSNDCLAS_HAVE_BOOT +# define HAVE_DSPCODEH +# endif +# include "msnd_classic.h" +# define LOGNAME "msnd_classic" +#else +# ifdef CONFIG_MSNDPIN_HAVE_BOOT +# define HAVE_DSPCODEH +# endif +# include "msnd_pinnacle.h" +# define LOGNAME "msnd_pinnacle" +#endif + +#ifndef CONFIG_MSND_WRITE_NDELAY +# define CONFIG_MSND_WRITE_NDELAY 1 +#endif + +#define get_play_delay_jiffies(size) ((size) * HZ * \ + dev.play_sample_size / 8 / \ + dev.play_sample_rate / \ + dev.play_channels) + +#define get_rec_delay_jiffies(size) ((size) * HZ * \ + dev.rec_sample_size / 8 / \ + dev.rec_sample_rate / \ + dev.rec_channels) + +static multisound_dev_t dev; + +#ifndef HAVE_DSPCODEH +static char *dspini, *permini; +static int sizeof_dspini, sizeof_permini; +#endif + +static int dsp_full_reset(void); +static void dsp_write_flush(void); + +static __inline__ int chk_send_dsp_cmd(multisound_dev_t *dev, register BYTE cmd) +{ + if (msnd_send_dsp_cmd(dev, cmd) == 0) + return 0; + dsp_full_reset(); + return msnd_send_dsp_cmd(dev, cmd); +} + +static void reset_play_queue(void) +{ + int n; + LPDAQD lpDAQ; + + dev.last_playbank = -1; + writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wHead); + writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wTail); + + for (n = 0, lpDAQ = dev.base + DAPQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) { + writew(PCTODSP_BASED((DWORD)(DAP_BUFF_SIZE * n)), lpDAQ + DAQDS_wStart); + writew(0, lpDAQ + DAQDS_wSize); + writew(1, lpDAQ + DAQDS_wFormat); + writew(dev.play_sample_size, lpDAQ + DAQDS_wSampleSize); + writew(dev.play_channels, lpDAQ + DAQDS_wChannels); + writew(dev.play_sample_rate, lpDAQ + DAQDS_wSampleRate); + writew(HIMT_PLAY_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg); + writew(n, lpDAQ + DAQDS_wFlags); + } +} + +static void reset_record_queue(void) +{ + int n; + LPDAQD lpDAQ; + unsigned long flags; + + dev.last_recbank = 2; + writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DARQ + JQS_wHead); + writew(PCTODSP_OFFSET(dev.last_recbank * DAQDS__size), dev.DARQ + JQS_wTail); + + /* Critical section: bank 1 access */ + spin_lock_irqsave(&dev.lock, flags); + msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS); + memset_io(dev.base, 0, DAR_BUFF_SIZE * 3); + msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS); + spin_unlock_irqrestore(&dev.lock, flags); + + for (n = 0, lpDAQ = dev.base + DARQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) { + writew(PCTODSP_BASED((DWORD)(DAR_BUFF_SIZE * n)) + 0x4000, lpDAQ + DAQDS_wStart); + writew(DAR_BUFF_SIZE, lpDAQ + DAQDS_wSize); + writew(1, lpDAQ + DAQDS_wFormat); + writew(dev.rec_sample_size, lpDAQ + DAQDS_wSampleSize); + writew(dev.rec_channels, lpDAQ + DAQDS_wChannels); + writew(dev.rec_sample_rate, lpDAQ + DAQDS_wSampleRate); + writew(HIMT_RECORD_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg); + writew(n, lpDAQ + DAQDS_wFlags); + } +} + +static void reset_queues(void) +{ + if (dev.mode & FMODE_WRITE) { + msnd_fifo_make_empty(&dev.DAPF); + reset_play_queue(); + } + if (dev.mode & FMODE_READ) { + msnd_fifo_make_empty(&dev.DARF); + reset_record_queue(); + } +} + +static int dsp_set_format(struct file *file, int val) +{ + int data, i; + LPDAQD lpDAQ, lpDARQ; + + lpDAQ = dev.base + DAPQ_DATA_BUFF; + lpDARQ = dev.base + DARQ_DATA_BUFF; + + switch (val) { + case AFMT_U8: + case AFMT_S16_LE: + data = val; + break; + default: + data = DEFSAMPLESIZE; + break; + } + + for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) { + if (file->f_mode & FMODE_WRITE) + writew(data, lpDAQ + DAQDS_wSampleSize); + if (file->f_mode & FMODE_READ) + writew(data, lpDARQ + DAQDS_wSampleSize); + } + if (file->f_mode & FMODE_WRITE) + dev.play_sample_size = data; + if (file->f_mode & FMODE_READ) + dev.rec_sample_size = data; + + return data; +} + +static int dsp_get_frag_size(void) +{ + int size; + size = dev.fifosize / 4; + if (size > 32 * 1024) + size = 32 * 1024; + return size; +} + +static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int val, i, data, tmp; + LPDAQD lpDAQ, lpDARQ; + audio_buf_info abinfo; + unsigned long flags; + int __user *p = (int __user *)arg; + + lpDAQ = dev.base + DAPQ_DATA_BUFF; + lpDARQ = dev.base + DARQ_DATA_BUFF; + + switch (cmd) { + case SNDCTL_DSP_SUBDIVIDE: + case SNDCTL_DSP_SETFRAGMENT: + case SNDCTL_DSP_SETDUPLEX: + case SNDCTL_DSP_POST: + return 0; + + case SNDCTL_DSP_GETIPTR: + case SNDCTL_DSP_GETOPTR: + case SNDCTL_DSP_MAPINBUF: + case SNDCTL_DSP_MAPOUTBUF: + return -EINVAL; + + case SNDCTL_DSP_GETOSPACE: + if (!(file->f_mode & FMODE_WRITE)) + return -EINVAL; + spin_lock_irqsave(&dev.lock, flags); + abinfo.fragsize = dsp_get_frag_size(); + abinfo.bytes = dev.DAPF.n - dev.DAPF.len; + abinfo.fragstotal = dev.DAPF.n / abinfo.fragsize; + abinfo.fragments = abinfo.bytes / abinfo.fragsize; + spin_unlock_irqrestore(&dev.lock, flags); + return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; + + case SNDCTL_DSP_GETISPACE: + if (!(file->f_mode & FMODE_READ)) + return -EINVAL; + spin_lock_irqsave(&dev.lock, flags); + abinfo.fragsize = dsp_get_frag_size(); + abinfo.bytes = dev.DARF.n - dev.DARF.len; + abinfo.fragstotal = dev.DARF.n / abinfo.fragsize; + abinfo.fragments = abinfo.bytes / abinfo.fragsize; + spin_unlock_irqrestore(&dev.lock, flags); + return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; + + case SNDCTL_DSP_RESET: + dev.nresets = 0; + reset_queues(); + return 0; + + case SNDCTL_DSP_SYNC: + dsp_write_flush(); + return 0; + + case SNDCTL_DSP_GETBLKSIZE: + tmp = dsp_get_frag_size(); + if (put_user(tmp, p)) + return -EFAULT; + return 0; + + case SNDCTL_DSP_GETFMTS: + val = AFMT_S16_LE | AFMT_U8; + if (put_user(val, p)) + return -EFAULT; + return 0; + + case SNDCTL_DSP_SETFMT: + if (get_user(val, p)) + return -EFAULT; + + if (file->f_mode & FMODE_WRITE) + data = val == AFMT_QUERY + ? dev.play_sample_size + : dsp_set_format(file, val); + else + data = val == AFMT_QUERY + ? dev.rec_sample_size + : dsp_set_format(file, val); + + if (put_user(data, p)) + return -EFAULT; + return 0; + + case SNDCTL_DSP_NONBLOCK: + if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags) && + file->f_mode & FMODE_WRITE) + dev.play_ndelay = 1; + if (file->f_mode & FMODE_READ) + dev.rec_ndelay = 1; + return 0; + + case SNDCTL_DSP_GETCAPS: + val = DSP_CAP_DUPLEX | DSP_CAP_BATCH; + if (put_user(val, p)) + return -EFAULT; + return 0; + + case SNDCTL_DSP_SPEED: + if (get_user(val, p)) + return -EFAULT; + + if (val < 8000) + val = 8000; + + if (val > 48000) + val = 48000; + + data = val; + + for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) { + if (file->f_mode & FMODE_WRITE) + writew(data, lpDAQ + DAQDS_wSampleRate); + if (file->f_mode & FMODE_READ) + writew(data, lpDARQ + DAQDS_wSampleRate); + } + if (file->f_mode & FMODE_WRITE) + dev.play_sample_rate = data; + if (file->f_mode & FMODE_READ) + dev.rec_sample_rate = data; + + if (put_user(data, p)) + return -EFAULT; + return 0; + + case SNDCTL_DSP_CHANNELS: + case SNDCTL_DSP_STEREO: + if (get_user(val, p)) + return -EFAULT; + + if (cmd == SNDCTL_DSP_CHANNELS) { + switch (val) { + case 1: + case 2: + data = val; + break; + default: + val = data = 2; + break; + } + } else { + switch (val) { + case 0: + data = 1; + break; + default: + val = 1; + case 1: + data = 2; + break; + } + } + + for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) { + if (file->f_mode & FMODE_WRITE) + writew(data, lpDAQ + DAQDS_wChannels); + if (file->f_mode & FMODE_READ) + writew(data, lpDARQ + DAQDS_wChannels); + } + if (file->f_mode & FMODE_WRITE) + dev.play_channels = data; + if (file->f_mode & FMODE_READ) + dev.rec_channels = data; + + if (put_user(val, p)) + return -EFAULT; + return 0; + } + + return -EINVAL; +} + +static int mixer_get(int d) +{ + if (d > 31) + return -EINVAL; + + switch (d) { + case SOUND_MIXER_VOLUME: + case SOUND_MIXER_PCM: + case SOUND_MIXER_LINE: + case SOUND_MIXER_IMIX: + case SOUND_MIXER_LINE1: +#ifndef MSND_CLASSIC + case SOUND_MIXER_MIC: + case SOUND_MIXER_SYNTH: +#endif + return (dev.left_levels[d] >> 8) * 100 / 0xff | + (((dev.right_levels[d] >> 8) * 100 / 0xff) << 8); + default: + return 0; + } +} + +#define update_volm(a,b) \ + writew((dev.left_levels[a] >> 1) * \ + readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \ + dev.SMA + SMA_##b##Left); \ + writew((dev.right_levels[a] >> 1) * \ + readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \ + dev.SMA + SMA_##b##Right); + +#define update_potm(d,s,ar) \ + writeb((dev.left_levels[d] >> 8) * \ + readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \ + dev.SMA + SMA_##s##Left); \ + writeb((dev.right_levels[d] >> 8) * \ + readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \ + dev.SMA + SMA_##s##Right); \ + if (msnd_send_word(&dev, 0, 0, ar) == 0) \ + chk_send_dsp_cmd(&dev, HDEX_AUX_REQ); + +#define update_pot(d,s,ar) \ + writeb(dev.left_levels[d] >> 8, \ + dev.SMA + SMA_##s##Left); \ + writeb(dev.right_levels[d] >> 8, \ + dev.SMA + SMA_##s##Right); \ + if (msnd_send_word(&dev, 0, 0, ar) == 0) \ + chk_send_dsp_cmd(&dev, HDEX_AUX_REQ); + +static int mixer_set(int d, int value) +{ + int left = value & 0x000000ff; + int right = (value & 0x0000ff00) >> 8; + int bLeft, bRight; + int wLeft, wRight; + int updatemaster = 0; + + if (d > 31) + return -EINVAL; + + bLeft = left * 0xff / 100; + wLeft = left * 0xffff / 100; + + bRight = right * 0xff / 100; + wRight = right * 0xffff / 100; + + dev.left_levels[d] = wLeft; + dev.right_levels[d] = wRight; + + switch (d) { + /* master volume unscaled controls */ + case SOUND_MIXER_LINE: /* line pot control */ + /* scaled by IMIX in digital mix */ + writeb(bLeft, dev.SMA + SMA_bInPotPosLeft); + writeb(bRight, dev.SMA + SMA_bInPotPosRight); + if (msnd_send_word(&dev, 0, 0, HDEXAR_IN_SET_POTS) == 0) + chk_send_dsp_cmd(&dev, HDEX_AUX_REQ); + break; +#ifndef MSND_CLASSIC + case SOUND_MIXER_MIC: /* mic pot control */ + /* scaled by IMIX in digital mix */ + writeb(bLeft, dev.SMA + SMA_bMicPotPosLeft); + writeb(bRight, dev.SMA + SMA_bMicPotPosRight); + if (msnd_send_word(&dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0) + chk_send_dsp_cmd(&dev, HDEX_AUX_REQ); + break; +#endif + case SOUND_MIXER_VOLUME: /* master volume */ + writew(wLeft, dev.SMA + SMA_wCurrMastVolLeft); + writew(wRight, dev.SMA + SMA_wCurrMastVolRight); + /* fall through */ + + case SOUND_MIXER_LINE1: /* aux pot control */ + /* scaled by master volume */ + /* fall through */ + + /* digital controls */ + case SOUND_MIXER_SYNTH: /* synth vol (dsp mix) */ + case SOUND_MIXER_PCM: /* pcm vol (dsp mix) */ + case SOUND_MIXER_IMIX: /* input monitor (dsp mix) */ + /* scaled by master volume */ + updatemaster = 1; + break; + + default: + return 0; + } + + if (updatemaster) { + /* update master volume scaled controls */ + update_volm(SOUND_MIXER_PCM, wCurrPlayVol); + update_volm(SOUND_MIXER_IMIX, wCurrInVol); +#ifndef MSND_CLASSIC + update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol); +#endif + update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS); + } + + return mixer_get(d); +} + +static void mixer_setup(void) +{ + update_pot(SOUND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS); + update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS); + update_volm(SOUND_MIXER_PCM, wCurrPlayVol); + update_volm(SOUND_MIXER_IMIX, wCurrInVol); +#ifndef MSND_CLASSIC + update_pot(SOUND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS); + update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol); +#endif +} + +static unsigned long set_recsrc(unsigned long recsrc) +{ + if (dev.recsrc == recsrc) + return dev.recsrc; +#ifdef HAVE_NORECSRC + else if (recsrc == 0) + dev.recsrc = 0; +#endif + else + dev.recsrc ^= recsrc; + +#ifndef MSND_CLASSIC + if (dev.recsrc & SOUND_MASK_IMIX) { + if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0) + chk_send_dsp_cmd(&dev, HDEX_AUX_REQ); + } + else if (dev.recsrc & SOUND_MASK_SYNTH) { + if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_SYNTH_IN) == 0) + chk_send_dsp_cmd(&dev, HDEX_AUX_REQ); + } + else if ((dev.recsrc & SOUND_MASK_DIGITAL1) && test_bit(F_HAVEDIGITAL, &dev.flags)) { + if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_DAT_IN) == 0) + chk_send_dsp_cmd(&dev, HDEX_AUX_REQ); + } + else { +#ifdef HAVE_NORECSRC + /* Select no input (?) */ + dev.recsrc = 0; +#else + dev.recsrc = SOUND_MASK_IMIX; + if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0) + chk_send_dsp_cmd(&dev, HDEX_AUX_REQ); +#endif + } +#endif /* MSND_CLASSIC */ + + return dev.recsrc; +} + +static unsigned long force_recsrc(unsigned long recsrc) +{ + dev.recsrc = 0; + return set_recsrc(recsrc); +} + +#define set_mixer_info() \ + memset(&info, 0, sizeof(info)); \ + strlcpy(info.id, "MSNDMIXER", sizeof(info.id)); \ + strlcpy(info.name, "MultiSound Mixer", sizeof(info.name)); + +static int mixer_ioctl(unsigned int cmd, unsigned long arg) +{ + if (cmd == SOUND_MIXER_INFO) { + mixer_info info; + set_mixer_info(); + info.modify_counter = dev.mixer_mod_count; + if (copy_to_user((void __user *)arg, &info, sizeof(info))) + return -EFAULT; + return 0; + } else if (cmd == SOUND_OLD_MIXER_INFO) { + _old_mixer_info info; + set_mixer_info(); + if (copy_to_user((void __user *)arg, &info, sizeof(info))) + return -EFAULT; + return 0; + } else if (cmd == SOUND_MIXER_PRIVATE1) { + dev.nresets = 0; + dsp_full_reset(); + return 0; + } else if (((cmd >> 8) & 0xff) == 'M') { + int val = 0; + + if (_SIOC_DIR(cmd) & _SIOC_WRITE) { + switch (cmd & 0xff) { + case SOUND_MIXER_RECSRC: + if (get_user(val, (int __user *)arg)) + return -EFAULT; + val = set_recsrc(val); + break; + + default: + if (get_user(val, (int __user *)arg)) + return -EFAULT; + val = mixer_set(cmd & 0xff, val); + break; + } + ++dev.mixer_mod_count; + return put_user(val, (int __user *)arg); + } else { + switch (cmd & 0xff) { + case SOUND_MIXER_RECSRC: + val = dev.recsrc; + break; + + case SOUND_MIXER_DEVMASK: + case SOUND_MIXER_STEREODEVS: + val = SOUND_MASK_PCM | + SOUND_MASK_LINE | + SOUND_MASK_IMIX | + SOUND_MASK_LINE1 | +#ifndef MSND_CLASSIC + SOUND_MASK_MIC | + SOUND_MASK_SYNTH | +#endif + SOUND_MASK_VOLUME; + break; + + case SOUND_MIXER_RECMASK: +#ifdef MSND_CLASSIC + val = 0; +#else + val = SOUND_MASK_IMIX | + SOUND_MASK_SYNTH; + if (test_bit(F_HAVEDIGITAL, &dev.flags)) + val |= SOUND_MASK_DIGITAL1; +#endif + break; + + case SOUND_MIXER_CAPS: + val = SOUND_CAP_EXCL_INPUT; + break; + + default: + if ((val = mixer_get(cmd & 0xff)) < 0) + return -EINVAL; + break; + } + } + + return put_user(val, (int __user *)arg); + } + + return -EINVAL; +} + +static int dev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +{ + int minor = iminor(inode); + + if (cmd == OSS_GETVERSION) { + int sound_version = SOUND_VERSION; + return put_user(sound_version, (int __user *)arg); + } + + if (minor == dev.dsp_minor) + return dsp_ioctl(file, cmd, arg); + else if (minor == dev.mixer_minor) + return mixer_ioctl(cmd, arg); + + return -EINVAL; +} + +static void dsp_write_flush(void) +{ + if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags)) + return; + set_bit(F_WRITEFLUSH, &dev.flags); + interruptible_sleep_on_timeout( + &dev.writeflush, + get_play_delay_jiffies(dev.DAPF.len)); + clear_bit(F_WRITEFLUSH, &dev.flags); + if (!signal_pending(current)) { + current->state = TASK_INTERRUPTIBLE; + schedule_timeout(get_play_delay_jiffies(DAP_BUFF_SIZE)); + } + clear_bit(F_WRITING, &dev.flags); +} + +static void dsp_halt(struct file *file) +{ + if ((file ? file->f_mode : dev.mode) & FMODE_READ) { + clear_bit(F_READING, &dev.flags); + chk_send_dsp_cmd(&dev, HDEX_RECORD_STOP); + msnd_disable_irq(&dev); + if (file) { + printk(KERN_DEBUG LOGNAME ": Stopping read for %p\n", file); + dev.mode &= ~FMODE_READ; + } + clear_bit(F_AUDIO_READ_INUSE, &dev.flags); + } + if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) { + if (test_bit(F_WRITING, &dev.flags)) { + dsp_write_flush(); + chk_send_dsp_cmd(&dev, HDEX_PLAY_STOP); + } + msnd_disable_irq(&dev); + if (file) { + printk(KERN_DEBUG LOGNAME ": Stopping write for %p\n", file); + dev.mode &= ~FMODE_WRITE; + } + clear_bit(F_AUDIO_WRITE_INUSE, &dev.flags); + } +} + +static int dsp_release(struct file *file) +{ + dsp_halt(file); + return 0; +} + +static int dsp_open(struct file *file) +{ + if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) { + set_bit(F_AUDIO_WRITE_INUSE, &dev.flags); + clear_bit(F_WRITING, &dev.flags); + msnd_fifo_make_empty(&dev.DAPF); + reset_play_queue(); + if (file) { + printk(KERN_DEBUG LOGNAME ": Starting write for %p\n", file); + dev.mode |= FMODE_WRITE; + } + msnd_enable_irq(&dev); + } + if ((file ? file->f_mode : dev.mode) & FMODE_READ) { + set_bit(F_AUDIO_READ_INUSE, &dev.flags); + clear_bit(F_READING, &dev.flags); + msnd_fifo_make_empty(&dev.DARF); + reset_record_queue(); + if (file) { + printk(KERN_DEBUG LOGNAME ": Starting read for %p\n", file); + dev.mode |= FMODE_READ; + } + msnd_enable_irq(&dev); + } + return 0; +} + +static void set_default_play_audio_parameters(void) +{ + dev.play_sample_size = DEFSAMPLESIZE; + dev.play_sample_rate = DEFSAMPLERATE; + dev.play_channels = DEFCHANNELS; +} + +static void set_default_rec_audio_parameters(void) +{ + dev.rec_sample_size = DEFSAMPLESIZE; + dev.rec_sample_rate = DEFSAMPLERATE; + dev.rec_channels = DEFCHANNELS; +} + +static void set_default_audio_parameters(void) +{ + set_default_play_audio_parameters(); + set_default_rec_audio_parameters(); +} + +static int dev_open(struct inode *inode, struct file *file) +{ + int minor = iminor(inode); + int err = 0; + + if (minor == dev.dsp_minor) { + if ((file->f_mode & FMODE_WRITE && + test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) || + (file->f_mode & FMODE_READ && + test_bit(F_AUDIO_READ_INUSE, &dev.flags))) + return -EBUSY; + + if ((err = dsp_open(file)) >= 0) { + dev.nresets = 0; + if (file->f_mode & FMODE_WRITE) { + set_default_play_audio_parameters(); + if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags)) + dev.play_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0; + else + dev.play_ndelay = 0; + } + if (file->f_mode & FMODE_READ) { + set_default_rec_audio_parameters(); + dev.rec_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0; + } + } + } + else if (minor == dev.mixer_minor) { + /* nothing */ + } else + err = -EINVAL; + + return err; +} + +static int dev_release(struct inode *inode, struct file *file) +{ + int minor = iminor(inode); + int err = 0; + + lock_kernel(); + if (minor == dev.dsp_minor) + err = dsp_release(file); + else if (minor == dev.mixer_minor) { + /* nothing */ + } else + err = -EINVAL; + unlock_kernel(); + return err; +} + +static __inline__ int pack_DARQ_to_DARF(register int bank) +{ + register int size, timeout = 3; + register WORD wTmp; + LPDAQD DAQD; + + /* Increment the tail and check for queue wrap */ + wTmp = readw(dev.DARQ + JQS_wTail) + PCTODSP_OFFSET(DAQDS__size); + if (wTmp > readw(dev.DARQ + JQS_wSize)) + wTmp = 0; + while (wTmp == readw(dev.DARQ + JQS_wHead) && timeout--) + udelay(1); + writew(wTmp, dev.DARQ + JQS_wTail); + + /* Get our digital audio queue struct */ + DAQD = bank * DAQDS__size + dev.base + DARQ_DATA_BUFF; + + /* Get length of data */ + size = readw(DAQD + DAQDS_wSize); + + /* Read data from the head (unprotected bank 1 access okay + since this is only called inside an interrupt) */ + msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS); + msnd_fifo_write_io( + &dev.DARF, + dev.base + bank * DAR_BUFF_SIZE, + size); + msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS); + + return 1; +} + +static __inline__ int pack_DAPF_to_DAPQ(register int start) +{ + register WORD DAPQ_tail; + register int protect = start, nbanks = 0; + LPDAQD DAQD; + + DAPQ_tail = readw(dev.DAPQ + JQS_wTail); + while (DAPQ_tail != readw(dev.DAPQ + JQS_wHead) || start) { + register int bank_num = DAPQ_tail / PCTODSP_OFFSET(DAQDS__size); + register int n; + unsigned long flags; + + /* Write the data to the new tail */ + if (protect) { + /* Critical section: protect fifo in non-interrupt */ + spin_lock_irqsave(&dev.lock, flags); + n = msnd_fifo_read_io( + &dev.DAPF, + dev.base + bank_num * DAP_BUFF_SIZE, + DAP_BUFF_SIZE); + spin_unlock_irqrestore(&dev.lock, flags); + } else { + n = msnd_fifo_read_io( + &dev.DAPF, + dev.base + bank_num * DAP_BUFF_SIZE, + DAP_BUFF_SIZE); + } + if (!n) + break; + + if (start) + start = 0; + + /* Get our digital audio queue struct */ + DAQD = bank_num * DAQDS__size + dev.base + DAPQ_DATA_BUFF; + + /* Write size of this bank */ + writew(n, DAQD + DAQDS_wSize); + ++nbanks; + + /* Then advance the tail */ + DAPQ_tail = (++bank_num % 3) * PCTODSP_OFFSET(DAQDS__size); + writew(DAPQ_tail, dev.DAPQ + JQS_wTail); + /* Tell the DSP to play the bank */ + msnd_send_dsp_cmd(&dev, HDEX_PLAY_START); + } + return nbanks; +} + +static int dsp_read(char __user *buf, size_t len) +{ + int count = len; + char *page = (char *)__get_free_page(PAGE_SIZE); + + if (!page) + return -ENOMEM; + + while (count > 0) { + int n, k; + unsigned long flags; + + k = PAGE_SIZE; + if (k > count) + k = count; + + /* Critical section: protect fifo in non-interrupt */ + spin_lock_irqsave(&dev.lock, flags); + n = msnd_fifo_read(&dev.DARF, page, k); + spin_unlock_irqrestore(&dev.lock, flags); + if (copy_to_user(buf, page, n)) { + free_page((unsigned long)page); + return -EFAULT; + } + buf += n; + count -= n; + + if (n == k && count) + continue; + + if (!test_bit(F_READING, &dev.flags) && dev.mode & FMODE_READ) { + dev.last_recbank = -1; + if (chk_send_dsp_cmd(&dev, HDEX_RECORD_START) == 0) + set_bit(F_READING, &dev.flags); + } + + if (dev.rec_ndelay) { + free_page((unsigned long)page); + return count == len ? -EAGAIN : len - count; + } + + if (count > 0) { + set_bit(F_READBLOCK, &dev.flags); + if (!interruptible_sleep_on_timeout( + &dev.readblock, + get_rec_delay_jiffies(DAR_BUFF_SIZE))) + clear_bit(F_READING, &dev.flags); + clear_bit(F_READBLOCK, &dev.flags); + if (signal_pending(current)) { + free_page((unsigned long)page); + return -EINTR; + } + } + } + free_page((unsigned long)page); + return len - count; +} + +static int dsp_write(const char __user *buf, size_t len) +{ + int count = len; + char *page = (char *)__get_free_page(GFP_KERNEL); + + if (!page) + return -ENOMEM; + + while (count > 0) { + int n, k; + unsigned long flags; + + k = PAGE_SIZE; + if (k > count) + k = count; + + if (copy_from_user(page, buf, k)) { + free_page((unsigned long)page); + return -EFAULT; + } + + /* Critical section: protect fifo in non-interrupt */ + spin_lock_irqsave(&dev.lock, flags); + n = msnd_fifo_write(&dev.DAPF, page, k); + spin_unlock_irqrestore(&dev.lock, flags); + buf += n; + count -= n; + + if (count && n == k) + continue; + + if (!test_bit(F_WRITING, &dev.flags) && (dev.mode & FMODE_WRITE)) { + dev.last_playbank = -1; + if (pack_DAPF_to_DAPQ(1) > 0) + set_bit(F_WRITING, &dev.flags); + } + + if (dev.play_ndelay) { + free_page((unsigned long)page); + return count == len ? -EAGAIN : len - count; + } + + if (count > 0) { + set_bit(F_WRITEBLOCK, &dev.flags); + interruptible_sleep_on_timeout( + &dev.writeblock, + get_play_delay_jiffies(DAP_BUFF_SIZE)); + clear_bit(F_WRITEBLOCK, &dev.flags); + if (signal_pending(current)) { + free_page((unsigned long)page); + return -EINTR; + } + } + } + + free_page((unsigned long)page); + return len - count; +} + +static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_t *off) +{ + int minor = iminor(file->f_dentry->d_inode); + if (minor == dev.dsp_minor) + return dsp_read(buf, count); + else + return -EINVAL; +} + +static ssize_t dev_write(struct file *file, const char __user *buf, size_t count, loff_t *off) +{ + int minor = iminor(file->f_dentry->d_inode); + if (minor == dev.dsp_minor) + return dsp_write(buf, count); + else + return -EINVAL; +} + +static __inline__ void eval_dsp_msg(register WORD wMessage) +{ + switch (HIBYTE(wMessage)) { + case HIMT_PLAY_DONE: + if (dev.last_playbank == LOBYTE(wMessage) || !test_bit(F_WRITING, &dev.flags)) + break; + dev.last_playbank = LOBYTE(wMessage); + + if (pack_DAPF_to_DAPQ(0) <= 0) { + if (!test_bit(F_WRITEBLOCK, &dev.flags)) { + if (test_and_clear_bit(F_WRITEFLUSH, &dev.flags)) + wake_up_interruptible(&dev.writeflush); + } + clear_bit(F_WRITING, &dev.flags); + } + + if (test_bit(F_WRITEBLOCK, &dev.flags)) + wake_up_interruptible(&dev.writeblock); + break; + + case HIMT_RECORD_DONE: + if (dev.last_recbank == LOBYTE(wMessage)) + break; + dev.last_recbank = LOBYTE(wMessage); + + pack_DARQ_to_DARF(dev.last_recbank); + + if (test_bit(F_READBLOCK, &dev.flags)) + wake_up_interruptible(&dev.readblock); + break; + + case HIMT_DSP: + switch (LOBYTE(wMessage)) { +#ifndef MSND_CLASSIC + case HIDSP_PLAY_UNDER: +#endif + case HIDSP_INT_PLAY_UNDER: +/* printk(KERN_DEBUG LOGNAME ": Play underflow\n"); */ + clear_bit(F_WRITING, &dev.flags); + break; + + case HIDSP_INT_RECORD_OVER: +/* printk(KERN_DEBUG LOGNAME ": Record overflow\n"); */ + clear_bit(F_READING, &dev.flags); + break; + + default: +/* printk(KERN_DEBUG LOGNAME ": DSP message %d 0x%02x\n", + LOBYTE(wMessage), LOBYTE(wMessage)); */ + break; + } + break; + + case HIMT_MIDI_IN_UCHAR: + if (dev.midi_in_interrupt) + (*dev.midi_in_interrupt)(&dev); + break; + + default: +/* printk(KERN_DEBUG LOGNAME ": HIMT message %d 0x%02x\n", HIBYTE(wMessage), HIBYTE(wMessage)); */ + break; + } +} + +static irqreturn_t intr(int irq, void *dev_id, struct pt_regs *regs) +{ + /* Send ack to DSP */ + msnd_inb(dev.io + HP_RXL); + + /* Evaluate queued DSP messages */ + while (readw(dev.DSPQ + JQS_wTail) != readw(dev.DSPQ + JQS_wHead)) { + register WORD wTmp; + + eval_dsp_msg(readw(dev.pwDSPQData + 2*readw(dev.DSPQ + JQS_wHead))); + + if ((wTmp = readw(dev.DSPQ + JQS_wHead) + 1) > readw(dev.DSPQ + JQS_wSize)) + writew(0, dev.DSPQ + JQS_wHead); + else + writew(wTmp, dev.DSPQ + JQS_wHead); + } + return IRQ_HANDLED; +} + +static struct file_operations dev_fileops = { + .owner = THIS_MODULE, + .read = dev_read, + .write = dev_write, + .ioctl = dev_ioctl, + .open = dev_open, + .release = dev_release, +}; + +static int reset_dsp(void) +{ + int timeout = 100; + + msnd_outb(HPDSPRESET_ON, dev.io + HP_DSPR); + mdelay(1); +#ifndef MSND_CLASSIC + dev.info = msnd_inb(dev.io + HP_INFO); +#endif + msnd_outb(HPDSPRESET_OFF, dev.io + HP_DSPR); + mdelay(1); + while (timeout-- > 0) { + if (msnd_inb(dev.io + HP_CVR) == HP_CVR_DEF) + return 0; + mdelay(1); + } + printk(KERN_ERR LOGNAME ": Cannot reset DSP\n"); + + return -EIO; +} + +static int __init probe_multisound(void) +{ +#ifndef MSND_CLASSIC + char *xv, *rev = NULL; + char *pin = "Pinnacle", *fiji = "Fiji"; + char *pinfiji = "Pinnacle/Fiji"; +#endif + + if (!request_region(dev.io, dev.numio, "probing")) { + printk(KERN_ERR LOGNAME ": I/O port conflict\n"); + return -ENODEV; + } + + if (reset_dsp() < 0) { + release_region(dev.io, dev.numio); + return -ENODEV; + } + +#ifdef MSND_CLASSIC + dev.name = "Classic/Tahiti/Monterey"; + printk(KERN_INFO LOGNAME ": %s, " +#else + switch (dev.info >> 4) { + case 0xf: xv = "<= 1.15"; break; + case 0x1: xv = "1.18/1.2"; break; + case 0x2: xv = "1.3"; break; + case 0x3: xv = "1.4"; break; + default: xv = "unknown"; break; + } + + switch (dev.info & 0x7) { + case 0x0: rev = "I"; dev.name = pin; break; + case 0x1: rev = "F"; dev.name = pin; break; + case 0x2: rev = "G"; dev.name = pin; break; + case 0x3: rev = "H"; dev.name = pin; break; + case 0x4: rev = "E"; dev.name = fiji; break; + case 0x5: rev = "C"; dev.name = fiji; break; + case 0x6: rev = "D"; dev.name = fiji; break; + case 0x7: + rev = "A-B (Fiji) or A-E (Pinnacle)"; + dev.name = pinfiji; + break; + } + printk(KERN_INFO LOGNAME ": %s revision %s, Xilinx version %s, " +#endif /* MSND_CLASSIC */ + "I/O 0x%x-0x%x, IRQ %d, memory mapped to %p-%p\n", + dev.name, +#ifndef MSND_CLASSIC + rev, xv, +#endif + dev.io, dev.io + dev.numio - 1, + dev.irq, + dev.base, dev.base + 0x7fff); + + release_region(dev.io, dev.numio); + return 0; +} + +static int init_sma(void) +{ + static int initted; + WORD mastVolLeft, mastVolRight; + unsigned long flags; + +#ifdef MSND_CLASSIC + msnd_outb(dev.memid, dev.io + HP_MEMM); +#endif + msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS); + if (initted) { + mastVolLeft = readw(dev.SMA + SMA_wCurrMastVolLeft); + mastVolRight = readw(dev.SMA + SMA_wCurrMastVolRight); + } else + mastVolLeft = mastVolRight = 0; + memset_io(dev.base, 0, 0x8000); + + /* Critical section: bank 1 access */ + spin_lock_irqsave(&dev.lock, flags); + msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS); + memset_io(dev.base, 0, 0x8000); + msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS); + spin_unlock_irqrestore(&dev.lock, flags); + + dev.pwDSPQData = (dev.base + DSPQ_DATA_BUFF); + dev.pwMODQData = (dev.base + MODQ_DATA_BUFF); + dev.pwMIDQData = (dev.base + MIDQ_DATA_BUFF); + + /* Motorola 56k shared memory base */ + dev.SMA = dev.base + SMA_STRUCT_START; + + /* Digital audio play queue */ + dev.DAPQ = dev.base + DAPQ_OFFSET; + msnd_init_queue(dev.DAPQ, DAPQ_DATA_BUFF, DAPQ_BUFF_SIZE); + + /* Digital audio record queue */ + dev.DARQ |