diff options
Diffstat (limited to 'sound/oss/msnd_pinnacle.c')
| -rw-r--r-- | sound/oss/msnd_pinnacle.c | 1941 |
1 files changed, 0 insertions, 1941 deletions
diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c deleted file mode 100644 index d2abc2cf3213..000000000000 --- a/sound/oss/msnd_pinnacle.c +++ /dev/null @@ -1,1941 +0,0 @@ -/********************************************************************* - * - * 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. - * - * 12-3-2000 Modified IO port validation Steve Sycamore - * - ********************************************************************/ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/mutex.h> -#include <linux/gfp.h> -#include <linux/sched/signal.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 DEFINE_MUTEX(msnd_pinnacle_mutex); -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 long dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - int minor = iminor(file_inode(file)); - int ret; - - if (cmd == OSS_GETVERSION) { - int sound_version = SOUND_VERSION; - return put_user(sound_version, (int __user *)arg); - } - - ret = -EINVAL; - - mutex_lock(&msnd_pinnacle_mutex); - if (minor == dev.dsp_minor) - ret = dsp_ioctl(file, cmd, arg); - else if (minor == dev.mixer_minor) - ret = mixer_ioctl(cmd, arg); - mutex_unlock(&msnd_pinnacle_mutex); - - return ret; -} - -static void dsp_write_flush(void) -{ - int timeout = get_play_delay_jiffies(dev.DAPF.len); - - if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags)) - return; - set_bit(F_WRITEFLUSH, &dev.flags); - wait_event_interruptible_timeout( - dev.writeflush, - !test_bit(F_WRITEFLUSH, &dev.flags), - timeout); - clear_bit(F_WRITEFLUSH, &dev.flags); - if (!signal_pending(current)) { - __set_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; - - mutex_lock(&msnd_pinnacle_mutex); - 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))) { - err = -EBUSY; - goto out; - } - - 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; -out: - mutex_unlock(&msnd_pinnacle_mutex); - return err; -} - -static int dev_release(struct inode *inode, struct file *file) -{ - int minor = iminor(inode); - int err = 0; - - mutex_lock(&msnd_pinnacle_mutex); - if (minor == dev.dsp_minor) - err = dsp_release(file); - else if (minor == dev.mixer_minor) { - /* nothing */ - } else - err = -EINVAL; - mutex_unlock(&msnd_pinnacle_mutex); - 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(GFP_KERNEL); - int timeout = get_rec_delay_jiffies(DAR_BUFF_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 (wait_event_interruptible_timeout( - dev.readblock, - test_bit(F_READBLOCK, &dev.flags), - timeout) <= 0) - clear_bit(F_READING, &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); - int timeout = get_play_delay_jiffies(DAP_BUFF_SIZE); - - 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); - wait_event_interruptible_timeout( - dev.writeblock, - test_bit(F_WRITEBLOCK, &dev.flags), - timeout); - 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_inode(file)); - 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_inode(file)); - 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_and_clear_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_and_clear_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) -{ - /* 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 const struct file_operations dev_fileops = { - .owner = THIS_MODULE, - .read = dev_read, - .write = dev_write, - .unlocked_ioctl = dev_ioctl, - .open = dev_open, - .release = dev_release, - .llseek = noop_llseek, -}; - -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 + |