cregit-Linux how code gets into the kernel

Release 4.14 sound/oss/msnd_pinnacle.c

Directory: sound/oss
/*********************************************************************
 *
 * 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); }

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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); } }

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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); } }

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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(); } }

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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; }

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static int dsp_get_frag_size(void) { int size; size = dev.fifosize / 4; if (size > 32 * 1024) size = 32 * 1024; return size; }

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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; }

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Linus Torvalds (pre-git)84696.91%571.43%
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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; } }

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#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); }

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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 }

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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; }

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static unsigned long force_recsrc(unsigned long recsrc) { dev.recsrc = 0; return set_recsrc(recsrc); }

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#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; }

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Linus Torvalds (pre-git)35393.63%675.00%
Arnaldo Carvalho de Melo184.77%112.50%
Al Viro61.59%112.50%
Total377100.00%8100.00%


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; }

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Linus Torvalds (pre-git)8270.69%333.33%
Arnd Bergmann2925.00%333.33%
Al Viro54.31%333.33%
Total116100.00%9100.00%


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); }

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Davidlohr Bueso A32.59%114.29%
Total116100.00%7100.00%


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); } }

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static int dsp_release(struct file *file) { dsp_halt(file); return 0; }

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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; }

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static void set_default_play_audio_parameters(void) { dev.play_sample_size = DEFSAMPLESIZE; dev.play_sample_rate = DEFSAMPLERATE; dev.play_channels = DEFCHANNELS; }

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Linus Torvalds (pre-git)26100.00%1100.00%
Total26100.00%1100.00%


static void set_default_rec_audio_parameters(void) { dev.rec_sample_size = DEFSAMPLESIZE; dev.rec_sample_rate = DEFSAMPLERATE; dev.rec_channels = DEFCHANNELS; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)26100.00%1100.00%
Total26100.00%1100.00%


static void set_default_audio_parameters(void) { set_default_play_audio_parameters(); set_default_rec_audio_parameters(); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)14100.00%1100.00%
Total14100.00%1100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)19889.59%240.00%
Arnd Bergmann229.95%240.00%
Al Viro10.45%120.00%
Total221100.00%5100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)6685.71%466.67%
Arnd Bergmann1012.99%116.67%
Al Viro11.30%116.67%
Total77100.00%6100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)15194.97%360.00%
Al Viro85.03%240.00%
Total159100.00%5100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)21796.88%466.67%
Al Viro73.12%233.33%
Total224100.00%6100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)20262.35%450.00%
Al Viro10432.10%337.50%
Arnd Bergmann185.56%112.50%
Total324100.00%8100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)19061.29%457.14%
Al Viro10734.52%228.57%
Arnd Bergmann134.19%114.29%
Total310100.00%7100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)5090.91%240.00%
Al Viro59.09%360.00%
Total55100.00%5100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)5191.07%240.00%
Al Viro58.93%360.00%
Total56100.00%5100.00%


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; } }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)26099.24%685.71%
Arnd Bergmann20.76%114.29%
Total262100.00%7100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)11089.43%457.14%
Al Viro97.32%228.57%
Andrew Morton43.25%114.29%
Total123100.00%7100.00%

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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)9996.12%375.00%
Al Viro43.88%125.00%
Total103100.00%4100.00%


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 = dev.base + DARQ_OFFSET; msnd_init_queue(dev.DARQ, DARQ_DATA_BUFF, DARQ_BUFF_SIZE); /* MIDI out queue */ dev.MODQ = dev.base + MODQ_OFFSET; msnd_init_queue(dev.MODQ, MODQ_DATA_BUFF, MODQ_BUFF_SIZE); /* MIDI in queue */ dev.MIDQ = dev.base + MIDQ_OFFSET; msnd_init_queue(dev.MIDQ, MIDQ_DATA_BUFF, MIDQ_BUFF_SIZE); /* DSP -> host message queue */ dev.DSPQ = dev.base + DSPQ_OFFSET; msnd_init_queue(dev.DSPQ, DSPQ_DATA_BUFF, DSPQ_BUFF_SIZE); /* Setup some DSP values */ #ifndef MSND_CLASSIC writew(1, dev.SMA + SMA_wCurrPlayFormat); writew(dev.play_sample_size, dev.SMA + SMA_wCurrPlaySampleSize); writew(dev.play_channels, dev.SMA + SMA_wCurrPlayChannels); writew(dev.play_sample_rate, dev.SMA + SMA_wCurrPlaySampleRate); #endif writew(dev.play_sample_rate, dev.SMA + SMA_wCalFreqAtoD); writew(mastVolLeft, dev.SMA + SMA_wCurrMastVolLeft); writew(mastVolRight, dev.SMA + SMA_wCurrMastVolRight); #ifndef MSND_CLASSIC writel(0x00010000, dev.SMA + SMA_dwCurrPlayPitch); writel(0x00000001, dev.SMA + SMA_dwCurrPlayRate); #endif writew(0x303, dev.SMA + SMA_wCurrInputTagBits); initted = 1; return 0; } static int __init calibrate_adc(WORD srate) { writew(srate, dev.SMA + SMA_wCalFreqAtoD); if (dev.calibrate_signal == 0) writew(readw(dev.SMA + SMA_wCurrHostStatusFlags) | 0x0001, dev.SMA + SMA_wCurrHostStatusFlags); else writew(readw(dev.SMA + SMA_wCurrHostStatusFlags) & ~0x0001, dev.SMA + SMA_wCurrHostStatusFlags); if (msnd_send_word(&dev, 0, 0, HDEXAR_CAL_A_TO_D) == 0 && chk_send_dsp_cmd(&dev, HDEX_AUX_REQ) == 0) { schedule_timeout_interruptible(HZ / 3); return 0; } printk(KERN_WARNING LOGNAME ": ADC calibration failed\n"); return -EIO; } static int upload_dsp_code(void) { int ret = 0; msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS); #ifndef HAVE_DSPCODEH INITCODESIZE = mod_firmware_load(INITCODEFILE, &INITCODE); if (!INITCODE) { printk(KERN_ERR LOGNAME ": Error loading " INITCODEFILE); return -EBUSY; } PERMCODESIZE = mod_firmware_load(PERMCODEFILE, &PERMCODE); if (!PERMCODE) { printk(KERN_ERR LOGNAME ": Error loading " PERMCODEFILE); vfree(INITCODE); return -EBUSY; } #endif memcpy_toio(dev.base, PERMCODE, PERMCODESIZE); if (msnd_upload_host(&dev, INITCODE, INITCODESIZE) < 0) { printk(KERN_WARNING LOGNAME ": Error uploading to DSP\n"); ret = -ENODEV; goto out; } #ifdef HAVE_DSPCODEH printk(KERN_INFO LOGNAME ": DSP firmware uploaded (resident)\n"); #else printk(KERN_INFO LOGNAME ": DSP firmware uploaded\n"); #endif out: #ifndef HAVE_DSPCODEH vfree(INITCODE); vfree(PERMCODE); #endif return ret; } #ifdef MSND_CLASSIC static void reset_proteus(void) { msnd_outb(HPPRORESET_ON, dev.io + HP_PROR); mdelay(TIME_PRO_RESET); msnd_outb(HPPRORESET_OFF, dev.io + HP_PROR); mdelay(TIME_PRO_RESET_DONE); } #endif static int initialize(void) { int err, timeout; #ifdef MSND_CLASSIC msnd_outb(HPWAITSTATE_0, dev.io + HP_WAIT); msnd_outb(HPBITMODE_16, dev.io + HP_BITM); reset_proteus(); #endif if ((err = init_sma()) < 0) { printk(KERN_WARNING LOGNAME ": Cannot initialize SMA\n"); return err; } if ((err = reset_dsp()) < 0) return err; if ((err = upload_dsp_code()) < 0) { printk(KERN_WARNING LOGNAME ": Cannot upload DSP code\n"); return err; } timeout = 200; while (readw(dev.base)) { mdelay(1); if (!timeout--) { printk(KERN_DEBUG LOGNAME ": DSP reset timeout\n"); return -EIO; } } mixer_setup(); return 0; } static int dsp_full_reset(void) { int rv; if (test_bit(F_RESETTING, &dev.flags) || ++dev.nresets > 10) return 0; set_bit(F_RESETTING, &dev.flags); printk(KERN_INFO LOGNAME ": DSP reset\n"); dsp_halt(NULL); /* Unconditionally halt */ if ((rv = initialize())) printk(KERN_WARNING LOGNAME ": DSP reset failed\n"); force_recsrc(dev.recsrc); dsp_open(NULL); clear_bit(F_RESETTING, &dev.flags); return rv; } static int __init attach_multisound(void) { int err; if ((err = request_irq(dev.irq, intr, 0, dev.name, &dev)) < 0) { printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq); return err; } if (request_region(dev.io, dev.numio, dev.name) == NULL) { free_irq(dev.irq, &dev); return -EBUSY; } err = dsp_full_reset(); if (err < 0) { release_region(dev.io, dev.numio); free_irq(dev.irq, &dev); return err; } if ((err = msnd_register(&dev)) < 0) { printk(KERN_ERR LOGNAME ": Unable to register MultiSound\n"); release_region(dev.io, dev.numio); free_irq(dev.irq, &dev); return err; } if ((dev.dsp_minor = register_sound_dsp(&dev_fileops, -1)) < 0) { printk(KERN_ERR LOGNAME ": Unable to register DSP operations\n"); msnd_unregister(&dev); release_region(dev.io, dev.numio); free_irq(dev.irq, &dev); return dev.dsp_minor; } if ((dev.mixer_minor = register_sound_mixer(&dev_fileops, -1)) < 0) { printk(KERN_ERR LOGNAME ": Unable to register mixer operations\n"); unregister_sound_mixer(dev.mixer_minor); msnd_unregister(&dev); release_region(dev.io, dev.numio); free_irq(dev.irq, &dev); return dev.mixer_minor; } dev.ext_midi_dev = dev.hdr_midi_dev = -1; disable_irq(dev.irq); calibrate_adc(dev.play_sample_rate); #ifndef MSND_CLASSIC force_recsrc(SOUND_MASK_IMIX); #endif return 0; } static void __exit unload_multisound(void) { release_region(dev.io, dev.numio); free_irq(dev.irq, &dev); unregister_sound_mixer(dev.mixer_minor); unregister_sound_dsp(dev.dsp_minor); msnd_unregister(&dev); } #ifndef MSND_CLASSIC /* Pinnacle/Fiji Logical Device Configuration */ static int __init msnd_write_cfg(int cfg, int reg, int value) { msnd_outb(reg, cfg); msnd_outb(value, cfg + 1); if (value != msnd_inb(cfg + 1)) { printk(KERN_ERR LOGNAME ": msnd_write_cfg: I/O error\n"); return -EIO; } return 0; } static int __init msnd_write_cfg_io0(int cfg, int num, WORD io) { if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num)) return -EIO; if (msnd_write_cfg(cfg, IREG_IO0_BASEHI, HIBYTE(io))) return -EIO; if (msnd_write_cfg(cfg, IREG_IO0_BASELO, LOBYTE(io))) return -EIO; return 0; } static int __init msnd_write_cfg_io1(int cfg, int num, WORD io) { if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num)) return -EIO; if (msnd_write_cfg(cfg, IREG_IO1_BASEHI, HIBYTE(io))) return -EIO; if (msnd_write_cfg(cfg, IREG_IO1_BASELO, LOBYTE(io))) return -EIO; return 0; } static int __init msnd_write_cfg_irq(int cfg, int num, WORD irq) { if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num)) return -EIO; if (msnd_write_cfg(cfg, IREG_IRQ_NUMBER, LOBYTE(irq))) return -EIO; if (msnd_write_cfg(cfg, IREG_IRQ_TYPE, IRQTYPE_EDGE)) return -EIO; return 0; } static int __init msnd_write_cfg_mem(int cfg, int num, int mem) { WORD wmem; mem >>= 8; mem &= 0xfff; wmem = (WORD)mem; if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num)) return -EIO; if (msnd_write_cfg(cfg, IREG_MEMBASEHI, HIBYTE(wmem))) return -EIO; if (msnd_write_cfg(cfg, IREG_MEMBASELO, LOBYTE(wmem))) return -EIO; if (wmem && msnd_write_cfg(cfg, IREG_MEMCONTROL, (MEMTYPE_HIADDR | MEMTYPE_16BIT))) return -EIO; return 0; } static int __init msnd_activate_logical(int cfg, int num) { if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num)) return -EIO; if (msnd_write_cfg(cfg, IREG_ACTIVATE, LD_ACTIVATE)) return -EIO; return 0; } static int __init msnd_write_cfg_logical(int cfg, int num, WORD io0, WORD io1, WORD irq, int mem) { if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num)) return -EIO; if (msnd_write_cfg_io0(cfg, num, io0)) return -EIO; if (msnd_write_cfg_io1(cfg, num, io1)) return -EIO; if (msnd_write_cfg_irq(cfg, num, irq)) return -EIO; if (msnd_write_cfg_mem(cfg, num, mem)) return -EIO; if (msnd_activate_logical(cfg, num)) return -EIO; return 0; } typedef struct msnd_pinnacle_cfg_device { WORD io0 , io1, irq; int mem; } msnd_pinnacle_cfg_t[ 4]; static int __init msnd_pinnacle_cfg_devices(int cfg, int reset, msnd_pinnacle_cfg_t device) { int i; /* Reset devices if told to */ if (reset) { printk(KERN_INFO LOGNAME ": Resetting all devices\n"); for (i = 0; i < 4; ++i) if (msnd_write_cfg_logical(cfg, i, 0, 0, 0, 0)) return -EIO; } /* Configure specified devices */ for (i = 0; i < 4; ++i) { switch (i) { case 0: /* DSP */ if (!(device[i].io0 && device[i].irq && device[i].mem)) continue; break; case 1: /* MPU */ if (!(device[i].io0 && device[i].irq)) continue; printk(KERN_INFO LOGNAME ": Configuring MPU to I/O 0x%x IRQ %d\n", device[i].io0, device[i].irq); break; case 2: /* IDE */ if (!(device[i].io0 && device[i].io1 && device[i].irq)) continue; printk(KERN_INFO LOGNAME ": Configuring IDE to I/O 0x%x, 0x%x IRQ %d\n", device[i].io0, device[i].io1, device[i].irq); break; case 3: /* Joystick */ if (!(device[i].io0)) continue; printk(KERN_INFO LOGNAME ": Configuring joystick to I/O 0x%x\n", device[i].io0); break; } /* Configure the device */ if (msnd_write_cfg_logical(cfg, i, device[i].io0, device[i].io1, device[i].irq, device[i].mem)) return -EIO; } return 0; } #endif #ifdef MODULE MODULE_AUTHOR ("Andrew Veliath <andrewtv@usa.net>"); MODULE_DESCRIPTION ("Turtle Beach " LONGNAME " Linux Driver"); MODULE_LICENSE("GPL"); static int io __initdata = - 1; static int irq __initdata = - 1; static int mem __initdata = - 1; static int write_ndelay __initdata = - 1; #ifndef MSND_CLASSIC /* Pinnacle/Fiji non-PnP Config Port */ static int cfg __initdata = -1; /* Extra Peripheral Configuration */ static int reset __initdata = 0; static int mpu_io __initdata = 0; static int mpu_irq __initdata = 0; static int ide_io0 __initdata = 0; static int ide_io1 __initdata = 0; static int ide_irq __initdata = 0; static int joystick_io __initdata = 0; /* If we have the digital daugherboard... */ static bool digital __initdata = false; #endif static int fifosize __initdata = DEFFIFOSIZE; static int calibrate_signal __initdata = 0; #else /* not a module */ static int write_ndelay __initdata = -1; #ifdef MSND_CLASSIC static int io __initdata = CONFIG_MSNDCLAS_IO; static int irq __initdata = CONFIG_MSNDCLAS_IRQ; static int mem __initdata = CONFIG_MSNDCLAS_MEM; #else /* Pinnacle/Fiji */ static int io __initdata = CONFIG_MSNDPIN_IO; static int irq __initdata = CONFIG_MSNDPIN_IRQ; static int mem __initdata = CONFIG_MSNDPIN_MEM; /* Pinnacle/Fiji non-PnP Config Port */ #ifdef CONFIG_MSNDPIN_NONPNP # ifndef CONFIG_MSNDPIN_CFG # define CONFIG_MSNDPIN_CFG 0x250 # endif #else # ifdef CONFIG_MSNDPIN_CFG # undef CONFIG_MSNDPIN_CFG # endif # define CONFIG_MSNDPIN_CFG -1 #endif static int cfg __initdata = CONFIG_MSNDPIN_CFG; /* If not a module, we don't need to bother with reset=1 */ static int reset; /* Extra Peripheral Configuration (Default: Disable) */ #ifndef CONFIG_MSNDPIN_MPU_IO # define CONFIG_MSNDPIN_MPU_IO 0 #endif static int mpu_io __initdata = CONFIG_MSNDPIN_MPU_IO; #ifndef CONFIG_MSNDPIN_MPU_IRQ # define CONFIG_MSNDPIN_MPU_IRQ 0 #endif static int mpu_irq __initdata = CONFIG_MSNDPIN_MPU_IRQ; #ifndef CONFIG_MSNDPIN_IDE_IO0 # define CONFIG_MSNDPIN_IDE_IO0 0 #endif static int ide_io0 __initdata = CONFIG_MSNDPIN_IDE_IO0; #ifndef CONFIG_MSNDPIN_IDE_IO1 # define CONFIG_MSNDPIN_IDE_IO1 0 #endif static int ide_io1 __initdata = CONFIG_MSNDPIN_IDE_IO1; #ifndef CONFIG_MSNDPIN_IDE_IRQ # define CONFIG_MSNDPIN_IDE_IRQ 0 #endif static int ide_irq __initdata = CONFIG_MSNDPIN_IDE_IRQ; #ifndef CONFIG_MSNDPIN_JOYSTICK_IO # define CONFIG_MSNDPIN_JOYSTICK_IO 0 #endif static int joystick_io __initdata = CONFIG_MSNDPIN_JOYSTICK_IO; /* Have SPDIF (Digital) Daughterboard */ #ifndef CONFIG_MSNDPIN_DIGITAL # define CONFIG_MSNDPIN_DIGITAL 0 #endif static bool digital __initdata = CONFIG_MSNDPIN_DIGITAL; #endif /* MSND_CLASSIC */ #ifndef CONFIG_MSND_FIFOSIZE # define CONFIG_MSND_FIFOSIZE DEFFIFOSIZE #endif static int fifosize __initdata = CONFIG_MSND_FIFOSIZE; #ifndef CONFIG_MSND_CALSIGNAL # define CONFIG_MSND_CALSIGNAL 0 #endif static int calibrate_signal __initdata = CONFIG_MSND_CALSIGNAL; #endif /* MODULE */ module_param_hw (io, int, ioport, 0); module_param_hw (irq, int, irq, 0); module_param_hw (mem, int, iomem, 0); module_param (write_ndelay, int, 0); module_param (fifosize, int, 0); module_param (calibrate_signal, int, 0); #ifndef MSND_CLASSIC module_param (digital, bool, 0); module_param_hw (cfg, int, ioport, 0); module_param (reset, int, 0); module_param_hw (mpu_io, int, ioport, 0); module_param_hw (mpu_irq, int, irq, 0); module_param_hw (ide_io0, int, ioport, 0); module_param_hw (ide_io1, int, ioport, 0); module_param_hw (ide_irq, int, irq, 0); module_param_hw (joystick_io, int, ioport, 0); #endif static int __init msnd_init(void) { int err; #ifndef MSND_CLASSIC static msnd_pinnacle_cfg_t pinnacle_devs; #endif /* MSND_CLASSIC */ printk(KERN_INFO LOGNAME ": Turtle Beach " LONGNAME " Linux Driver Version " VERSION ", Copyright (C) 1998 Andrew Veliath\n"); if (io == -1 || irq == -1 || mem == -1) printk(KERN_WARNING LOGNAME ": io, irq and mem must be set\n"); #ifdef MSND_CLASSIC if (io == -1 || !(io == 0x290 || io == 0x260 || io == 0x250 || io == 0x240 || io == 0x230 || io == 0x220 || io == 0x210 || io == 0x3e0)) { printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must be set to 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x290, or 0x3E0\n"); return -EINVAL; } #else if (io == -1 || io < 0x100 || io > 0x3e0 || (io % 0x10) != 0) { printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must within the range 0x100 to 0x3E0 and must be evenly divisible by 0x10\n"); return -EINVAL; } #endif /* MSND_CLASSIC */ if (irq == -1 || !(irq == 5 || irq == 7 || irq == 9 || irq == 10 || irq == 11 || irq == 12)) { printk(KERN_ERR LOGNAME ": \"irq\" - must be set to 5, 7, 9, 10, 11 or 12\n"); return -EINVAL; } if (mem == -1 || !(mem == 0xb0000 || mem == 0xc8000 || mem == 0xd0000 || mem == 0xd8000 || mem == 0xe0000 || mem == 0xe8000)) { printk(KERN_ERR LOGNAME ": \"mem\" - must be set to " "0xb0000, 0xc8000, 0xd0000, 0xd8000, 0xe0000 or 0xe8000\n"); return -EINVAL; } #ifdef MSND_CLASSIC switch (irq) { case 5: dev.irqid = HPIRQ_5; break; case 7: dev.irqid = HPIRQ_7; break; case 9: dev.irqid = HPIRQ_9; break; case 10: dev.irqid = HPIRQ_10; break; case 11: dev.irqid = HPIRQ_11; break; case 12: dev.irqid = HPIRQ_12; break; } switch (mem) { case 0xb0000: dev.memid = HPMEM_B000; break; case 0xc8000: dev.memid = HPMEM_C800; break; case 0xd0000: dev.memid = HPMEM_D000; break; case 0xd8000: dev.memid = HPMEM_D800; break; case 0xe0000: dev.memid = HPMEM_E000; break; case 0xe8000: dev.memid = HPMEM_E800; break; } #else if (cfg == -1) { printk(KERN_INFO LOGNAME ": Assuming PnP mode\n"); } else if (cfg != 0x250 && cfg != 0x260 && cfg != 0x270) { printk(KERN_INFO LOGNAME ": Config port must be 0x250, 0x260 or 0x270 (or unspecified for PnP mode)\n"); return -EINVAL; } else { printk(KERN_INFO LOGNAME ": Non-PnP mode: configuring at port 0x%x\n", cfg); /* DSP */ pinnacle_devs[0].io0 = io; pinnacle_devs[0].irq = irq; pinnacle_devs[0].mem = mem; /* The following are Pinnacle specific */ /* MPU */ pinnacle_devs[1].io0 = mpu_io; pinnacle_devs[1].irq = mpu_irq; /* IDE */ pinnacle_devs[2].io0 = ide_io0; pinnacle_devs[2].io1 = ide_io1; pinnacle_devs[2].irq = ide_irq; /* Joystick */ pinnacle_devs[3].io0 = joystick_io; if (!request_region(cfg, 2, "Pinnacle/Fiji Config")) { printk(KERN_ERR LOGNAME ": Config port 0x%x conflict\n", cfg); return -EIO; } if (msnd_pinnacle_cfg_devices(cfg, reset, pinnacle_devs)) { printk(KERN_ERR LOGNAME ": Device configuration error\n"); release_region(cfg, 2); return -EIO; } release_region(cfg, 2); } #endif /* MSND_CLASSIC */ if (fifosize < 16) fifosize = 16; if (fifosize > 1024) fifosize = 1024; set_default_audio_parameters(); #ifdef MSND_CLASSIC dev.type = msndClassic; #else dev.type = msndPinnacle; #endif dev.io = io; dev.numio = DSP_NUMIO; dev.irq = irq; dev.base = ioremap(mem, 0x8000); dev.fifosize = fifosize * 1024; dev.calibrate_signal = calibrate_signal ? 1 : 0; dev.recsrc = 0; dev.dspq_data_buff = DSPQ_DATA_BUFF; dev.dspq_buff_size = DSPQ_BUFF_SIZE; if (write_ndelay == -1) write_ndelay = CONFIG_MSND_WRITE_NDELAY; if (write_ndelay) clear_bit(F_DISABLE_WRITE_NDELAY, &dev.flags); else set_bit(F_DISABLE_WRITE_NDELAY, &dev.flags); #ifndef MSND_CLASSIC if (digital) set_bit(F_HAVEDIGITAL, &dev.flags); #endif init_waitqueue_head(&dev.writeblock); init_waitqueue_head(&dev.readblock); init_waitqueue_head(&dev.writeflush); msnd_fifo_init(&dev.DAPF); msnd_fifo_init(&dev.DARF); spin_lock_init(&dev.lock); printk(KERN_INFO LOGNAME ": %u byte audio FIFOs (x2)\n", dev.fifosize); if ((err = msnd_fifo_alloc(&dev.DAPF, dev.fifosize)) < 0) { printk(KERN_ERR LOGNAME ": Couldn't allocate write FIFO\n"); return err; } if ((err = msnd_fifo_alloc(&dev.DARF, dev.fifosize)) < 0) { printk(KERN_ERR LOGNAME ": Couldn't allocate read FIFO\n"); msnd_fifo_free(&dev.DAPF); return err; } if ((err = probe_multisound()) < 0) { printk(KERN_ERR LOGNAME ": Probe failed\n"); msnd_fifo_free(&dev.DAPF); msnd_fifo_free(&dev.DARF); return err; } if ((err = attach_multisound()) < 0) { printk(KERN_ERR LOGNAME ": Attach failed\n"); msnd_fifo_free(&dev.DAPF); msnd_fifo_free(&dev.DARF); return err; } return 0; } static void __exit msdn_cleanup(void) { unload_multisound(); msnd_fifo_free(&dev.DAPF); msnd_fifo_free(&dev.DARF); } module_init(msnd_init); module_exit(msdn_cleanup);

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)82988.47%1451.85%
Al Viro323.42%311.11%
Andrew Morton282.99%13.70%
Linus Torvalds282.99%311.11%
David Howells101.07%13.70%
Julia Lawall60.64%13.70%
Randy Dunlap10.11%13.70%
Vasiliy Kulikov10.11%13.70%
Rusty Russell10.11%13.70%
Nicholas Mc Guire10.11%13.70%
Total937100.00%27100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)578390.42%2037.74%
Al Viro3555.55%815.09%
Arnd Bergmann1282.00%611.32%
Andrew Morton350.55%23.77%
Linus Torvalds330.52%35.66%
Arnaldo Carvalho de Melo180.28%11.89%
Alan Cox130.20%23.77%
David Howells100.16%11.89%
Julia Lawall60.09%11.89%
Davidlohr Bueso A30.05%11.89%
Tejun Heo30.05%11.89%
Ingo Molnar30.05%11.89%
Arjan van de Ven10.02%11.89%
Adrian Bunk10.02%11.89%
Randy Dunlap10.02%11.89%
Nicholas Mc Guire10.02%11.89%
Rusty Russell10.02%11.89%
Vasiliy Kulikov10.02%11.89%
Total6396100.00%53100.00%
Directory: sound/oss
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