| /********************************************************************* |
| * |
| * 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 + 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 (io, int, 0); |
| module_param (irq, int, 0); |
| module_param (mem, int, 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 (cfg, int, 0); |
| module_param (reset, int, 0); |
| module_param (mpu_io, int, 0); |
| module_param (mpu_irq, int, 0); |
| module_param (ide_io0, int, 0); |
| module_param (ide_io1, int, 0); |
| module_param (ide_irq, int, 0); |
| module_param (joystick_io, int, 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); |