diff options
author | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
commit | ed03f430cdc8c802652467e9097606fedc2c7abc (patch) | |
tree | 30941ec1e6f93e99358fefe18175e5dd800a4379 /sound/core/rawmidi.c | |
parent | ed349a8a0a780ed27e2a765f16cee54d9b63bfee (diff) | |
parent | 6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff) | |
download | op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.zip op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.tar.gz |
Pull pnpacpi into acpica branch
Diffstat (limited to 'sound/core/rawmidi.c')
-rw-r--r-- | sound/core/rawmidi.c | 387 |
1 files changed, 204 insertions, 183 deletions
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index d033e61..d4d124e 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -50,16 +50,28 @@ module_param_array(amidi_map, int, NULL, 0444); MODULE_PARM_DESC(amidi_map, "Raw MIDI device number assigned to 2nd OSS device."); #endif /* CONFIG_SND_OSSEMUL */ -static int snd_rawmidi_free(snd_rawmidi_t *rawmidi); -static int snd_rawmidi_dev_free(snd_device_t *device); -static int snd_rawmidi_dev_register(snd_device_t *device); -static int snd_rawmidi_dev_disconnect(snd_device_t *device); -static int snd_rawmidi_dev_unregister(snd_device_t *device); - -static snd_rawmidi_t *snd_rawmidi_devices[SNDRV_CARDS * SNDRV_RAWMIDI_DEVICES]; +static int snd_rawmidi_free(struct snd_rawmidi *rawmidi); +static int snd_rawmidi_dev_free(struct snd_device *device); +static int snd_rawmidi_dev_register(struct snd_device *device); +static int snd_rawmidi_dev_disconnect(struct snd_device *device); +static int snd_rawmidi_dev_unregister(struct snd_device *device); +static LIST_HEAD(snd_rawmidi_devices); static DECLARE_MUTEX(register_mutex); +static struct snd_rawmidi *snd_rawmidi_search(struct snd_card *card, int device) +{ + struct list_head *p; + struct snd_rawmidi *rawmidi; + + list_for_each(p, &snd_rawmidi_devices) { + rawmidi = list_entry(p, struct snd_rawmidi, list); + if (rawmidi->card == card && rawmidi->device == device) + return rawmidi; + } + return NULL; +} + static inline unsigned short snd_rawmidi_file_flags(struct file *file) { switch (file->f_mode & (FMODE_READ | FMODE_WRITE)) { @@ -72,34 +84,35 @@ static inline unsigned short snd_rawmidi_file_flags(struct file *file) } } -static inline int snd_rawmidi_ready(snd_rawmidi_substream_t * substream) +static inline int snd_rawmidi_ready(struct snd_rawmidi_substream *substream) { - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; return runtime->avail >= runtime->avail_min; } -static inline int snd_rawmidi_ready_append(snd_rawmidi_substream_t * substream, size_t count) +static inline int snd_rawmidi_ready_append(struct snd_rawmidi_substream *substream, + size_t count) { - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; return runtime->avail >= runtime->avail_min && (!substream->append || runtime->avail >= count); } static void snd_rawmidi_input_event_tasklet(unsigned long data) { - snd_rawmidi_substream_t *substream = (snd_rawmidi_substream_t *)data; + struct snd_rawmidi_substream *substream = (struct snd_rawmidi_substream *)data; substream->runtime->event(substream); } static void snd_rawmidi_output_trigger_tasklet(unsigned long data) { - snd_rawmidi_substream_t *substream = (snd_rawmidi_substream_t *)data; + struct snd_rawmidi_substream *substream = (struct snd_rawmidi_substream *)data; substream->ops->trigger(substream, 1); } -static int snd_rawmidi_runtime_create(snd_rawmidi_substream_t * substream) +static int snd_rawmidi_runtime_create(struct snd_rawmidi_substream *substream) { - snd_rawmidi_runtime_t *runtime; + struct snd_rawmidi_runtime *runtime; if ((runtime = kzalloc(sizeof(*runtime), GFP_KERNEL)) == NULL) return -ENOMEM; @@ -129,9 +142,9 @@ static int snd_rawmidi_runtime_create(snd_rawmidi_substream_t * substream) return 0; } -static int snd_rawmidi_runtime_free(snd_rawmidi_substream_t * substream) +static int snd_rawmidi_runtime_free(struct snd_rawmidi_substream *substream) { - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; kfree(runtime->buffer); kfree(runtime); @@ -139,7 +152,7 @@ static int snd_rawmidi_runtime_free(snd_rawmidi_substream_t * substream) return 0; } -static inline void snd_rawmidi_output_trigger(snd_rawmidi_substream_t * substream, int up) +static inline void snd_rawmidi_output_trigger(struct snd_rawmidi_substream *substream,int up) { if (up) { tasklet_hi_schedule(&substream->runtime->tasklet); @@ -149,17 +162,17 @@ static inline void snd_rawmidi_output_trigger(snd_rawmidi_substream_t * substrea } } -static void snd_rawmidi_input_trigger(snd_rawmidi_substream_t * substream, int up) +static void snd_rawmidi_input_trigger(struct snd_rawmidi_substream *substream, int up) { substream->ops->trigger(substream, up); if (!up && substream->runtime->event) tasklet_kill(&substream->runtime->tasklet); } -int snd_rawmidi_drop_output(snd_rawmidi_substream_t * substream) +int snd_rawmidi_drop_output(struct snd_rawmidi_substream *substream) { unsigned long flags; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; snd_rawmidi_output_trigger(substream, 0); runtime->drain = 0; @@ -170,11 +183,11 @@ int snd_rawmidi_drop_output(snd_rawmidi_substream_t * substream) return 0; } -int snd_rawmidi_drain_output(snd_rawmidi_substream_t * substream) +int snd_rawmidi_drain_output(struct snd_rawmidi_substream *substream) { int err; long timeout; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; err = 0; runtime->drain = 1; @@ -199,10 +212,10 @@ int snd_rawmidi_drain_output(snd_rawmidi_substream_t * substream) return err; } -int snd_rawmidi_drain_input(snd_rawmidi_substream_t * substream) +int snd_rawmidi_drain_input(struct snd_rawmidi_substream *substream) { unsigned long flags; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; snd_rawmidi_input_trigger(substream, 0); runtime->drain = 0; @@ -213,18 +226,20 @@ int snd_rawmidi_drain_input(snd_rawmidi_substream_t * substream) return 0; } -int snd_rawmidi_kernel_open(int cardnum, int device, int subdevice, - int mode, snd_rawmidi_file_t * rfile) +int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice, + int mode, struct snd_rawmidi_file * rfile) { - snd_rawmidi_t *rmidi; + struct snd_rawmidi *rmidi; struct list_head *list1, *list2; - snd_rawmidi_substream_t *sinput = NULL, *soutput = NULL; - snd_rawmidi_runtime_t *input = NULL, *output = NULL; + struct snd_rawmidi_substream *sinput = NULL, *soutput = NULL; + struct snd_rawmidi_runtime *input = NULL, *output = NULL; int err; if (rfile) rfile->input = rfile->output = NULL; - rmidi = snd_rawmidi_devices[(cardnum * SNDRV_RAWMIDI_DEVICES) + device]; + down(®ister_mutex); + rmidi = snd_rawmidi_search(card, device); + up(®ister_mutex); if (rmidi == NULL) { err = -ENODEV; goto __error1; @@ -275,7 +290,7 @@ int snd_rawmidi_kernel_open(int cardnum, int device, int subdevice, } break; } - sinput = list_entry(list1, snd_rawmidi_substream_t, list); + sinput = list_entry(list1, struct snd_rawmidi_substream, list); if ((mode & SNDRV_RAWMIDI_LFLG_INPUT) && sinput->opened) goto __nexti; if (subdevice < 0 || (subdevice >= 0 && subdevice == sinput->number)) @@ -293,7 +308,7 @@ int snd_rawmidi_kernel_open(int cardnum, int device, int subdevice, } break; } - soutput = list_entry(list2, snd_rawmidi_substream_t, list); + soutput = list_entry(list2, struct snd_rawmidi_substream, list); if (mode & SNDRV_RAWMIDI_LFLG_OUTPUT) { if (mode & SNDRV_RAWMIDI_LFLG_APPEND) { if (soutput->opened && !soutput->append) @@ -367,39 +382,29 @@ int snd_rawmidi_kernel_open(int cardnum, int device, int subdevice, static int snd_rawmidi_open(struct inode *inode, struct file *file) { int maj = imajor(inode); - int cardnum; - snd_card_t *card; - int device, subdevice; + struct snd_card *card; + int subdevice; unsigned short fflags; int err; - snd_rawmidi_t *rmidi; - snd_rawmidi_file_t *rawmidi_file; + struct snd_rawmidi *rmidi; + struct snd_rawmidi_file *rawmidi_file; wait_queue_t wait; struct list_head *list; - snd_ctl_file_t *kctl; + struct snd_ctl_file *kctl; if (maj == snd_major) { - cardnum = SNDRV_MINOR_CARD(iminor(inode)); - cardnum %= SNDRV_CARDS; - device = SNDRV_MINOR_DEVICE(iminor(inode)) - SNDRV_MINOR_RAWMIDI; - device %= SNDRV_MINOR_RAWMIDIS; + rmidi = snd_lookup_minor_data(iminor(inode), + SNDRV_DEVICE_TYPE_RAWMIDI); #ifdef CONFIG_SND_OSSEMUL } else if (maj == SOUND_MAJOR) { - cardnum = SNDRV_MINOR_OSS_CARD(iminor(inode)); - cardnum %= SNDRV_CARDS; - device = SNDRV_MINOR_OSS_DEVICE(iminor(inode)) == SNDRV_MINOR_OSS_MIDI ? - midi_map[cardnum] : amidi_map[cardnum]; + rmidi = snd_lookup_oss_minor_data(iminor(inode), + SNDRV_OSS_DEVICE_TYPE_MIDI); #endif } else return -ENXIO; - rmidi = snd_rawmidi_devices[(cardnum * SNDRV_RAWMIDI_DEVICES) + device]; if (rmidi == NULL) return -ENODEV; -#ifdef CONFIG_SND_OSSEMUL - if (maj == SOUND_MAJOR && !rmidi->ossreg) - return -ENXIO; -#endif if ((file->f_flags & O_APPEND) && !(file->f_flags & O_NONBLOCK)) return -EINVAL; /* invalid combination */ card = rmidi->card; @@ -429,7 +434,8 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) } } up_read(&card->controls_rwsem); - err = snd_rawmidi_kernel_open(cardnum, device, subdevice, fflags, rawmidi_file); + err = snd_rawmidi_kernel_open(rmidi->card, rmidi->device, + subdevice, fflags, rawmidi_file); if (err >= 0) break; if (err == -EAGAIN) { @@ -465,11 +471,11 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) return err; } -int snd_rawmidi_kernel_release(snd_rawmidi_file_t * rfile) +int snd_rawmidi_kernel_release(struct snd_rawmidi_file * rfile) { - snd_rawmidi_t *rmidi; - snd_rawmidi_substream_t *substream; - snd_rawmidi_runtime_t *runtime; + struct snd_rawmidi *rmidi; + struct snd_rawmidi_substream *substream; + struct snd_rawmidi_runtime *runtime; snd_assert(rfile != NULL, return -ENXIO); snd_assert(rfile->input != NULL || rfile->output != NULL, return -ENXIO); @@ -515,8 +521,8 @@ int snd_rawmidi_kernel_release(snd_rawmidi_file_t * rfile) static int snd_rawmidi_release(struct inode *inode, struct file *file) { - snd_rawmidi_file_t *rfile; - snd_rawmidi_t *rmidi; + struct snd_rawmidi_file *rfile; + struct snd_rawmidi *rmidi; int err; rfile = file->private_data; @@ -528,9 +534,10 @@ static int snd_rawmidi_release(struct inode *inode, struct file *file) return err; } -int snd_rawmidi_info(snd_rawmidi_substream_t *substream, snd_rawmidi_info_t *info) +static int snd_rawmidi_info(struct snd_rawmidi_substream *substream, + struct snd_rawmidi_info *info) { - snd_rawmidi_t *rmidi; + struct snd_rawmidi *rmidi; if (substream == NULL) return -ENODEV; @@ -550,26 +557,30 @@ int snd_rawmidi_info(snd_rawmidi_substream_t *substream, snd_rawmidi_info_t *inf return 0; } -static int snd_rawmidi_info_user(snd_rawmidi_substream_t *substream, snd_rawmidi_info_t __user * _info) +static int snd_rawmidi_info_user(struct snd_rawmidi_substream *substream, + struct snd_rawmidi_info __user * _info) { - snd_rawmidi_info_t info; + struct snd_rawmidi_info info; int err; if ((err = snd_rawmidi_info(substream, &info)) < 0) return err; - if (copy_to_user(_info, &info, sizeof(snd_rawmidi_info_t))) + if (copy_to_user(_info, &info, sizeof(struct snd_rawmidi_info))) return -EFAULT; return 0; } -int snd_rawmidi_info_select(snd_card_t *card, snd_rawmidi_info_t *info) +int snd_rawmidi_info_select(struct snd_card *card, struct snd_rawmidi_info *info) { - snd_rawmidi_t *rmidi; - snd_rawmidi_str_t *pstr; - snd_rawmidi_substream_t *substream; + struct snd_rawmidi *rmidi; + struct snd_rawmidi_str *pstr; + struct snd_rawmidi_substream *substream; struct list_head *list; - if (info->device >= SNDRV_RAWMIDI_DEVICES) + + down(®ister_mutex); + rmidi = snd_rawmidi_search(card, info->device); + up(®ister_mutex); + if (!rmidi) return -ENXIO; - rmidi = snd_rawmidi_devices[card->number * SNDRV_RAWMIDI_DEVICES + info->device]; if (info->stream < 0 || info->stream > 1) return -EINVAL; pstr = &rmidi->streams[info->stream]; @@ -578,18 +589,18 @@ int snd_rawmidi_info_select(snd_card_t *card, snd_rawmidi_info_t *info) if (info->subdevice >= pstr->substream_count) return -ENXIO; list_for_each(list, &pstr->substreams) { - substream = list_entry(list, snd_rawmidi_substream_t, list); + substream = list_entry(list, struct snd_rawmidi_substream, list); if ((unsigned int)substream->number == info->subdevice) return snd_rawmidi_info(substream, info); } return -ENXIO; } -static int snd_rawmidi_info_select_user(snd_card_t *card, - snd_rawmidi_info_t __user *_info) +static int snd_rawmidi_info_select_user(struct snd_card *card, + struct snd_rawmidi_info __user *_info) { int err; - snd_rawmidi_info_t info; + struct snd_rawmidi_info info; if (get_user(info.device, &_info->device)) return -EFAULT; if (get_user(info.stream, &_info->stream)) @@ -598,16 +609,16 @@ static int snd_rawmidi_info_select_user(snd_card_t *card, return -EFAULT; if ((err = snd_rawmidi_info_select(card, &info)) < 0) return err; - if (copy_to_user(_info, &info, sizeof(snd_rawmidi_info_t))) + if (copy_to_user(_info, &info, sizeof(struct snd_rawmidi_info))) return -EFAULT; return 0; } -int snd_rawmidi_output_params(snd_rawmidi_substream_t * substream, - snd_rawmidi_params_t * params) +int snd_rawmidi_output_params(struct snd_rawmidi_substream *substream, + struct snd_rawmidi_params * params) { char *newbuf; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; if (substream->append && substream->use_count > 1) return -EBUSY; @@ -624,17 +635,18 @@ int snd_rawmidi_output_params(snd_rawmidi_substream_t * substream, kfree(runtime->buffer); runtime->buffer = newbuf; runtime->buffer_size = params->buffer_size; + runtime->avail = runtime->buffer_size; } runtime->avail_min = params->avail_min; substream->active_sensing = !params->no_active_sensing; return 0; } -int snd_rawmidi_input_params(snd_rawmidi_substream_t * substream, - snd_rawmidi_params_t * params) +int snd_rawmidi_input_params(struct snd_rawmidi_substream *substream, + struct snd_rawmidi_params * params) { char *newbuf; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; snd_rawmidi_drain_input(substream); if (params->buffer_size < 32 || params->buffer_size > 1024L * 1024L) { @@ -654,10 +666,10 @@ int snd_rawmidi_input_params(snd_rawmidi_substream_t * substream, return 0; } -static int snd_rawmidi_output_status(snd_rawmidi_substream_t * substream, - snd_rawmidi_status_t * status) +static int snd_rawmidi_output_status(struct snd_rawmidi_substream *substream, + struct snd_rawmidi_status * status) { - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; memset(status, 0, sizeof(*status)); status->stream = SNDRV_RAWMIDI_STREAM_OUTPUT; @@ -667,10 +679,10 @@ static int snd_rawmidi_output_status(snd_rawmidi_substream_t * substream, return 0; } -static int snd_rawmidi_input_status(snd_rawmidi_substream_t * substream, - snd_rawmidi_status_t * status) +static int snd_rawmidi_input_status(struct snd_rawmidi_substream *substream, + struct snd_rawmidi_status * status) { - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; memset(status, 0, sizeof(*status)); status->stream = SNDRV_RAWMIDI_STREAM_INPUT; @@ -684,7 +696,7 @@ static int snd_rawmidi_input_status(snd_rawmidi_substream_t * substream, static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - snd_rawmidi_file_t *rfile; + struct snd_rawmidi_file *rfile; void __user *argp = (void __user *)arg; rfile = file->private_data; @@ -695,8 +707,8 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long return put_user(SNDRV_RAWMIDI_VERSION, (int __user *)argp) ? -EFAULT : 0; case SNDRV_RAWMIDI_IOCTL_INFO: { - snd_rawmidi_stream_t stream; - snd_rawmidi_info_t __user *info = argp; + int stream; + struct snd_rawmidi_info __user *info = argp; if (get_user(stream, &info->stream)) return -EFAULT; switch (stream) { @@ -710,8 +722,8 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long } case SNDRV_RAWMIDI_IOCTL_PARAMS: { - snd_rawmidi_params_t params; - if (copy_from_user(¶ms, argp, sizeof(snd_rawmidi_params_t))) + struct snd_rawmidi_params params; + if (copy_from_user(¶ms, argp, sizeof(struct snd_rawmidi_params))) return -EFAULT; switch (params.stream) { case SNDRV_RAWMIDI_STREAM_OUTPUT: @@ -729,8 +741,8 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long case SNDRV_RAWMIDI_IOCTL_STATUS: { int err = 0; - snd_rawmidi_status_t status; - if (copy_from_user(&status, argp, sizeof(snd_rawmidi_status_t))) + struct snd_rawmidi_status status; + if (copy_from_user(&status, argp, sizeof(struct snd_rawmidi_status))) return -EFAULT; switch (status.stream) { case SNDRV_RAWMIDI_STREAM_OUTPUT: @@ -748,7 +760,7 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long } if (err < 0) return err; - if (copy_to_user(argp, &status, sizeof(snd_rawmidi_status_t))) + if (copy_to_user(argp, &status, sizeof(struct snd_rawmidi_status))) return -EFAULT; return 0; } @@ -792,15 +804,13 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long return -ENOTTY; } -static int snd_rawmidi_control_ioctl(snd_card_t * card, - snd_ctl_file_t * control, +static int snd_rawmidi_control_ioctl(struct snd_card *card, + struct snd_ctl_file *control, unsigned int cmd, unsigned long arg) { void __user *argp = (void __user *)arg; - unsigned int tmp; - tmp = card->number * SNDRV_RAWMIDI_DEVICES; switch (cmd) { case SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE: { @@ -808,14 +818,16 @@ static int snd_rawmidi_control_ioctl(snd_card_t * card, if (get_user(device, (int __user *)argp)) return -EFAULT; + down(®ister_mutex); device = device < 0 ? 0 : device + 1; while (device < SNDRV_RAWMIDI_DEVICES) { - if (snd_rawmidi_devices[tmp + device]) + if (snd_rawmidi_search(card, device)) break; device++; } if (device == SNDRV_RAWMIDI_DEVICES) device = -1; + up(®ister_mutex); if (put_user(device, (int __user *)argp)) return -EFAULT; return 0; @@ -845,11 +857,12 @@ static int snd_rawmidi_control_ioctl(snd_card_t * card, * * Returns the size of read data, or a negative error code on failure. */ -int snd_rawmidi_receive(snd_rawmidi_substream_t * substream, const unsigned char *buffer, int count) +int snd_rawmidi_receive(struct snd_rawmidi_substream *substream, + const unsigned char *buffer, int count) { unsigned long flags; int result = 0, count1; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; if (runtime->buffer == NULL) { snd_printd("snd_rawmidi_receive: input is not active!!!\n"); @@ -904,12 +917,12 @@ int snd_rawmidi_receive(snd_rawmidi_substream_t * substream, const unsigned char return result; } -static long snd_rawmidi_kernel_read1(snd_rawmidi_substream_t *substream, +static long snd_rawmidi_kernel_read1(struct snd_rawmidi_substream *substream, unsigned char *buf, long count, int kernel) { unsigned long flags; long result = 0, count1; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; while (count > 0 && runtime->avail) { count1 = runtime->buffer_size - runtime->appl_ptr; @@ -938,19 +951,21 @@ static long snd_rawmidi_kernel_read1(snd_rawmidi_substream_t *substream, return result; } -long snd_rawmidi_kernel_read(snd_rawmidi_substream_t *substream, unsigned char *buf, long count) +long snd_rawmidi_kernel_read(struct snd_rawmidi_substream *substream, + unsigned char *buf, long count) { snd_rawmidi_input_trigger(substream, 1); return snd_rawmidi_kernel_read1(substream, buf, count, 1); } -static ssize_t snd_rawmidi_read(struct file *file, char __user *buf, size_t count, loff_t *offset) +static ssize_t snd_rawmidi_read(struct file *file, char __user *buf, size_t count, + loff_t *offset) { long result; int count1; - snd_rawmidi_file_t *rfile; - snd_rawmidi_substream_t *substream; - snd_rawmidi_runtime_t *runtime; + struct snd_rawmidi_file *rfile; + struct snd_rawmidi_substream *substream; + struct snd_rawmidi_runtime *runtime; rfile = file->private_data; substream = rfile->input; @@ -998,9 +1013,9 @@ static ssize_t snd_rawmidi_read(struct file *file, char __user *buf, size_t coun * * Returns 1 if the internal output buffer is empty, 0 if not. */ -int snd_rawmidi_transmit_empty(snd_rawmidi_substream_t * substream) +int snd_rawmidi_transmit_empty(struct snd_rawmidi_substream *substream) { - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; int result; unsigned long flags; @@ -1028,11 +1043,12 @@ int snd_rawmidi_transmit_empty(snd_rawmidi_substream_t * substream) * * Returns the size of copied data, or a negative error code on failure. */ -int snd_rawmidi_transmit_peek(snd_rawmidi_substream_t * substream, unsigned char *buffer, int count) +int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, + unsigned char *buffer, int count) { unsigned long flags; int result, count1; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; if (runtime->buffer == NULL) { snd_printd("snd_rawmidi_transmit_peek: output is not active!!!\n"); @@ -1079,10 +1095,10 @@ int snd_rawmidi_transmit_peek(snd_rawmidi_substream_t * substream, unsigned char * * Returns the advanced size if successful, or a negative error code on failure. */ -int snd_rawmidi_transmit_ack(snd_rawmidi_substream_t * substream, int count) +int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count) { unsigned long flags; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; if (runtime->buffer == NULL) { snd_printd("snd_rawmidi_transmit_ack: output is not active!!!\n"); @@ -1112,7 +1128,8 @@ int snd_rawmidi_transmit_ack(snd_rawmidi_substream_t * substream, int count) * * Returns the copied size if successful, or a negative error code on failure. */ -int snd_rawmidi_transmit(snd_rawmidi_substream_t * substream, unsigned char *buffer, int count) +int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream, + unsigned char *buffer, int count) { count = snd_rawmidi_transmit_peek(substream, buffer, count); if (count < 0) @@ -1120,11 +1137,12 @@ int snd_rawmidi_transmit(snd_rawmidi_substream_t * substream, unsigned char *buf return snd_rawmidi_transmit_ack(substream, count); } -static long snd_rawmidi_kernel_write1(snd_rawmidi_substream_t * substream, const unsigned char *buf, long count, int kernel) +static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream, + const unsigned char *buf, long count, int kernel) { unsigned long flags; long count1, result; - snd_rawmidi_runtime_t *runtime = substream->runtime; + struct snd_rawmidi_runtime *runtime = substream->runtime; snd_assert(buf != NULL, return -EINVAL); snd_assert(runtime->buffer != NULL, return -EINVAL); @@ -1170,18 +1188,20 @@ static long snd_rawmidi_kernel_write1(snd_rawmidi_substream_t * substream, const return result; } -long snd_rawmidi_kernel_write(snd_rawmidi_substream_t * substream, const unsigned char *buf, long count) +long snd_rawmidi_kernel_write(struct snd_rawmidi_substream *substream, + const unsigned char *buf, long count) { return snd_rawmidi_kernel_write1(substream, buf, count, 1); } -static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf, size_t count, loff_t *offset) +static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf, + size_t count, loff_t *offset) { long result, timeout; int count1; - snd_rawmidi_file_t *rfile; - snd_rawmidi_runtime_t *runtime; - snd_rawmidi_substream_t *substream; + struct snd_rawmidi_file *rfile; + struct snd_rawmidi_runtime *runtime; + struct snd_rawmidi_substream *substream; rfile = file->private_data; substream = rfile->output; @@ -1246,8 +1266,8 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf, size static unsigned int snd_rawmidi_poll(struct file *file, poll_table * wait) { - snd_rawmidi_file_t *rfile; - snd_rawmidi_runtime_t *runtime; + struct snd_rawmidi_file *rfile; + struct snd_rawmidi_runtime *runtime; unsigned int mask; rfile = file->private_data; @@ -1284,12 +1304,12 @@ static unsigned int snd_rawmidi_poll(struct file *file, poll_table * wait) */ -static void snd_rawmidi_proc_info_read(snd_info_entry_t *entry, - snd_info_buffer_t * buffer) +static void snd_rawmidi_proc_info_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) { - snd_rawmidi_t *rmidi; - snd_rawmidi_substream_t *substream; - snd_rawmidi_runtime_t *runtime; + struct snd_rawmidi *rmidi; + struct snd_rawmidi_substream *substream; + struct snd_rawmidi_runtime *runtime; struct list_head *list; rmidi = entry->private_data; @@ -1297,7 +1317,7 @@ static void snd_rawmidi_proc_info_read(snd_info_entry_t *entry, down(&rmidi->open_mutex); if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_OUTPUT) { list_for_each(list, &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams) { - substream = list_entry(list, snd_rawmidi_substream_t, list); + substream = list_entry(list, struct snd_rawmidi_substream, list); snd_iprintf(buffer, "Output %d\n" " Tx bytes : %lu\n", @@ -1317,7 +1337,7 @@ static void snd_rawmidi_proc_info_read(snd_info_entry_t *entry, } if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_INPUT) { list_for_each(list, &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams) { - substream = list_entry(list, snd_rawmidi_substream_t, list); + substream = list_entry(list, struct snd_rawmidi_substream, list); snd_iprintf(buffer, "Input %d\n" " Rx bytes : %lu\n", @@ -1354,25 +1374,21 @@ static struct file_operations snd_rawmidi_f_ops = .compat_ioctl = snd_rawmidi_ioctl_compat, }; -static snd_minor_t snd_rawmidi_reg = -{ - .comment = "raw midi", - .f_ops = &snd_rawmidi_f_ops, -}; - -static int snd_rawmidi_alloc_substreams(snd_rawmidi_t *rmidi, - snd_rawmidi_str_t *stream, +static int snd_rawmidi_alloc_substreams(struct snd_rawmidi *rmidi, + struct snd_rawmidi_str *stream, int direction, int count) { - snd_rawmidi_substream_t *substream; + struct snd_rawmidi_substream *substream; int idx; INIT_LIST_HEAD(&stream->substreams); for (idx = 0; idx < count; idx++) { substream = kzalloc(sizeof(*substream), GFP_KERNEL); - if (substream == NULL) + if (substream == NULL) { + snd_printk(KERN_ERR "rawmidi: cannot allocate substream\n"); return -ENOMEM; + } substream->stream = direction; substream->number = idx; substream->rmidi = rmidi; @@ -1397,13 +1413,13 @@ static int snd_rawmidi_alloc_substreams(snd_rawmidi_t *rmidi, * * Returns zero if successful, or a negative error code on failure. */ -int snd_rawmidi_new(snd_card_t * card, char *id, int device, +int snd_rawmidi_new(struct snd_card *card, char *id, int device, int output_count, int input_count, - snd_rawmidi_t ** rrawmidi) + struct snd_rawmidi ** rrawmidi) { - snd_rawmidi_t *rmidi; + struct snd_rawmidi *rmidi; int err; - static snd_device_ops_t ops = { + static struct snd_device_ops ops = { .dev_free = snd_rawmidi_dev_free, .dev_register = snd_rawmidi_dev_register, .dev_disconnect = snd_rawmidi_dev_disconnect, @@ -1414,19 +1430,27 @@ int snd_rawmidi_new(snd_card_t * card, char *id, int device, *rrawmidi = NULL; snd_assert(card != NULL, return -ENXIO); rmidi = kzalloc(sizeof(*rmidi), GFP_KERNEL); - if (rmidi == NULL) + if (rmidi == NULL) { + snd_printk(KERN_ERR "rawmidi: cannot allocate\n"); return -ENOMEM; + } rmidi->card = card; rmidi->device = device; init_MUTEX(&rmidi->open_mutex); init_waitqueue_head(&rmidi->open_wait); if (id != NULL) strlcpy(rmidi->id, id, sizeof(rmidi->id)); - if ((err = snd_rawmidi_alloc_substreams(rmidi, &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT], SNDRV_RAWMIDI_STREAM_INPUT, input_count)) < 0) { + if ((err = snd_rawmidi_alloc_substreams(rmidi, + &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT], + SNDRV_RAWMIDI_STREAM_INPUT, + input_count)) < 0) { snd_rawmidi_free(rmidi); return err; } - if ((err = snd_rawmidi_alloc_substreams(rmidi, &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT], SNDRV_RAWMIDI_STREAM_OUTPUT, output_count)) < 0) { + if ((err = snd_rawmidi_alloc_substreams(rmidi, + &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT], + SNDRV_RAWMIDI_STREAM_OUTPUT, + output_count)) < 0) { snd_rawmidi_free(rmidi); return err; } @@ -1438,18 +1462,18 @@ int snd_rawmidi_new(snd_card_t * card, char *id, int device, return 0; } -static void snd_rawmidi_free_substreams(snd_rawmidi_str_t *stream) +static void snd_rawmidi_free_substreams(struct snd_rawmidi_str *stream) { - snd_rawmidi_substream_t *substream; + struct snd_rawmidi_substream *substream; while (!list_empty(&stream->substreams)) { - substream = list_entry(stream->substreams.next, snd_rawmidi_substream_t, list); + substream = list_entry(stream->substreams.next, struct snd_rawmidi_substream, list); list_del(&substream->list); kfree(substream); } } -static int snd_rawmidi_free(snd_rawmidi_t *rmidi) +static int snd_rawmidi_free(struct snd_rawmidi *rmidi) { snd_assert(rmidi != NULL, return -ENXIO); snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT]); @@ -1460,49 +1484,48 @@ static int snd_rawmidi_free(snd_rawmidi_t *rmidi) return 0; } -static int snd_rawmidi_dev_free(snd_device_t *device) +static int snd_rawmidi_dev_free(struct snd_device *device) { - snd_rawmidi_t *rmidi = device->device_data; + struct snd_rawmidi *rmidi = device->device_data; return snd_rawmidi_free(rmidi); } #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)) -static void snd_rawmidi_dev_seq_free(snd_seq_device_t *device) +static void snd_rawmidi_dev_seq_free(struct snd_seq_device *device) { - snd_rawmidi_t *rmidi = device->private_data; + struct snd_rawmidi *rmidi = device->private_data; rmidi->seq_dev = NULL; } #endif -static int snd_rawmidi_dev_register(snd_device_t *device) +static int snd_rawmidi_dev_register(struct snd_device *device) { - int idx, err; - snd_info_entry_t *entry; + int err; + struct snd_info_entry *entry; char name[16]; - snd_rawmidi_t *rmidi = device->device_data; + struct snd_rawmidi *rmidi = device->device_data; if (rmidi->device >= SNDRV_RAWMIDI_DEVICES) return -ENOMEM; down(®ister_mutex); - idx = (rmidi->card->number * SNDRV_RAWMIDI_DEVICES) + rmidi->device; - if (snd_rawmidi_devices[idx] != NULL) { + if (snd_rawmidi_search(rmidi->card, rmidi->device)) { up(®ister_mutex); return -EBUSY; } - snd_rawmidi_devices[idx] = rmidi; + list_add_tail(&rmidi->list, &snd_rawmidi_devices); sprintf(name, "midiC%iD%i", rmidi->card->number, rmidi->device); if ((err = snd_register_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device, - &snd_rawmidi_reg, name)) < 0) { + &snd_rawmidi_f_ops, rmidi, name)) < 0) { snd_printk(KERN_ERR "unable to register rawmidi device %i:%i\n", rmidi->card->number, rmidi->device); - snd_rawmidi_devices[idx] = NULL; + list_del(&rmidi->list); up(®ister_mutex); return err; } if (rmidi->ops && rmidi->ops->dev_register && (err = rmidi->ops->dev_register(rmidi)) < 0) { snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device); - snd_rawmidi_devices[idx] = NULL; + list_del(&rmidi->list); up(®ister_mutex); return err; } @@ -1510,7 +1533,8 @@ static int snd_rawmidi_dev_register(snd_device_t *device) rmidi->ossreg = 0; if ((int)rmidi->device == midi_map[rmidi->card->number]) { if (snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI, - rmidi->card, 0, &snd_rawmidi_reg, name) < 0) { + rmidi->card, 0, &snd_rawmidi_f_ops, + rmidi, name) < 0) { snd_printk(KERN_ERR "unable to register OSS rawmidi device %i:%i\n", rmidi->card->number, 0); } else { rmidi->ossreg++; @@ -1521,7 +1545,8 @@ static int snd_rawmidi_dev_register(snd_device_t *device) } if ((int)rmidi->device == amidi_map[rmidi->card->number]) { if (snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI, - rmidi->card, 1, &snd_rawmidi_reg, name) < 0) { + rmidi->card, 1, &snd_rawmidi_f_ops, + rmidi, name) < 0) { snd_printk(KERN_ERR "unable to register OSS rawmidi device %i:%i\n", rmidi->card->number, 1); } else { rmidi->ossreg++; @@ -1554,27 +1579,23 @@ static int snd_rawmidi_dev_register(snd_device_t *device) return 0; } -static int snd_rawmidi_dev_disconnect(snd_device_t *device) +static int snd_rawmidi_dev_disconnect(struct snd_device *device) { - snd_rawmidi_t *rmidi = device->device_data; - int idx; + struct snd_rawmidi *rmidi = device->device_data; down(®ister_mutex); - idx = (rmidi->card->number * SNDRV_RAWMIDI_DEVICES) + rmidi->device; - snd_rawmidi_devices[idx] = NULL; + list_del_init(&rmidi->list); up(®ister_mutex); return 0; } -static int snd_rawmidi_dev_unregister(snd_device_t *device) +static int snd_rawmidi_dev_unregister(struct snd_device *device) { - int idx; - snd_rawmidi_t *rmidi = device->device_data; + struct snd_rawmidi *rmidi = device->device_data; snd_assert(rmidi != NULL, return -ENXIO); down(®ister_mutex); - idx = (rmidi->card->number * SNDRV_RAWMIDI_DEVICES) + rmidi->device; - snd_rawmidi_devices[idx] = NULL; + list_del(&rmidi->list); if (rmidi->proc_entry) { snd_info_unregister(rmidi->proc_entry); rmidi->proc_entry = NULL; @@ -1613,13 +1634,14 @@ static int snd_rawmidi_dev_unregister(snd_device_t *device) * * Sets the rawmidi operators for the given stream direction. */ -void snd_rawmidi_set_ops(snd_rawmidi_t *rmidi, int stream, snd_rawmidi_ops_t *ops) +void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream, + struct snd_rawmidi_ops *ops) { struct list_head *list; - snd_rawmidi_substream_t *substream; + struct snd_rawmidi_substream *substream; list_for_each(list, &rmidi->streams[stream].substreams) { - substream = list_entry(list, snd_rawmidi_substream_t, list); + substream = list_entry(list, struct snd_rawmidi_substream, list); substream->ops = ops; } } @@ -1672,7 +1694,6 @@ EXPORT_SYMBOL(snd_rawmidi_transmit_ack); EXPORT_SYMBOL(snd_rawmidi_transmit); EXPORT_SYMBOL(snd_rawmidi_new); EXPORT_SYMBOL(snd_rawmidi_set_ops); -EXPORT_SYMBOL(snd_rawmidi_info); EXPORT_SYMBOL(snd_rawmidi_info_select); EXPORT_SYMBOL(snd_rawmidi_kernel_open); EXPORT_SYMBOL(snd_rawmidi_kernel_release); |