diff options
Diffstat (limited to 'sound/drivers/opl3/opl3_oss.c')
| -rw-r--r-- | sound/drivers/opl3/opl3_oss.c | 173 |
1 files changed, 51 insertions, 122 deletions
diff --git a/sound/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c index 31f1f2e25aa..c1cb249acfa 100644 --- a/sound/drivers/opl3/opl3_oss.c +++ b/sound/drivers/opl3/opl3_oss.c @@ -18,8 +18,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/export.h> #include "opl3_voice.h" -#include <linux/slab.h> static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure); static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg); @@ -100,12 +100,15 @@ static int snd_opl3_oss_create_port(struct snd_opl3 * opl3) SNDRV_SEQ_PORT_CAP_WRITE, SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC | SNDRV_SEQ_PORT_TYPE_MIDI_GM | - SNDRV_SEQ_PORT_TYPE_SYNTH, + SNDRV_SEQ_PORT_TYPE_HARDWARE | + SNDRV_SEQ_PORT_TYPE_SYNTHESIZER, voices, voices, name); if (opl3->oss_chset->port < 0) { + int port; + port = opl3->oss_chset->port; snd_midi_channel_free_set(opl3->oss_chset); - return opl3->oss_chset->port; + return port; } return 0; } @@ -136,17 +139,17 @@ void snd_opl3_init_seq_oss(struct snd_opl3 *opl3, char *name) arg->oper = oss_callback; arg->private_data = opl3; - snd_opl3_oss_create_port(opl3); - - /* register to OSS synth table */ - snd_device_register(opl3->card, dev); + if (snd_opl3_oss_create_port(opl3)) { + /* register to OSS synth table */ + snd_device_register(opl3->card, dev); + } } /* unregister */ void snd_opl3_free_seq_oss(struct snd_opl3 *opl3) { if (opl3->oss_seq_dev) { - snd_device_free(opl3->card, opl3->oss_seq_dev); + /* The instance should have been released in prior */ opl3->oss_seq_dev = NULL; } } @@ -159,7 +162,8 @@ static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure) struct snd_opl3 *opl3 = closure; int err; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; if ((err = snd_opl3_synth_setup(opl3)) < 0) return err; @@ -181,7 +185,8 @@ static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg) { struct snd_opl3 *opl3; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; opl3 = arg->private_data; snd_opl3_synth_cleanup(opl3); @@ -192,17 +197,6 @@ static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg) /* load patch */ -/* offsets for SBI params */ -#define AM_VIB 0 -#define KSL_LEVEL 2 -#define ATTACK_DECAY 4 -#define SUSTAIN_RELEASE 6 -#define WAVE_SELECT 8 - -/* offset for SBI instrument */ -#define CONNECTION 10 -#define OFFSET_4OP 11 - /* from sound_config.h */ #define SBFM_MAXINSTR 256 @@ -210,112 +204,43 @@ static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format, const char __user *buf, int offs, int count) { struct snd_opl3 *opl3; - int err = -EINVAL; + struct sbi_instrument sbi; + char name[32]; + int err, type; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; opl3 = arg->private_data; - if ((format == FM_PATCH) || (format == OPL3_PATCH)) { - struct sbi_instrument sbi; + if (format == FM_PATCH) + type = FM_PATCH_OPL2; + else if (format == OPL3_PATCH) + type = FM_PATCH_OPL3; + else + return -EINVAL; - size_t size; - struct snd_seq_instr_header *put; - struct snd_seq_instr_data *data; - struct fm_xinstrument *xinstr; + if (count < (int)sizeof(sbi)) { + snd_printk(KERN_ERR "FM Error: Patch record too short\n"); + return -EINVAL; + } + if (copy_from_user(&sbi, buf, sizeof(sbi))) + return -EFAULT; - struct snd_seq_event ev; - int i; + if (sbi.channel < 0 || sbi.channel >= SBFM_MAXINSTR) { + snd_printk(KERN_ERR "FM Error: Invalid instrument number %d\n", + sbi.channel); + return -EINVAL; + } - mm_segment_t fs; + memset(name, 0, sizeof(name)); + sprintf(name, "Chan%d", sbi.channel); - if (count < (int)sizeof(sbi)) { - snd_printk("FM Error: Patch record too short\n"); - return -EINVAL; - } - if (copy_from_user(&sbi, buf, sizeof(sbi))) - return -EFAULT; + err = snd_opl3_load_patch(opl3, sbi.channel, 127, type, name, NULL, + sbi.operators); + if (err < 0) + return err; - if (sbi.channel < 0 || sbi.channel >= SBFM_MAXINSTR) { - snd_printk("FM Error: Invalid instrument number %d\n", sbi.channel); - return -EINVAL; - } - - size = sizeof(*put) + sizeof(struct fm_xinstrument); - put = kzalloc(size, GFP_KERNEL); - if (put == NULL) - return -ENOMEM; - /* build header */ - data = &put->data; - data->type = SNDRV_SEQ_INSTR_ATYPE_DATA; - strcpy(data->data.format, SNDRV_SEQ_INSTR_ID_OPL2_3); - /* build data section */ - xinstr = (struct fm_xinstrument *)(data + 1); - xinstr->stype = FM_STRU_INSTR; - - for (i = 0; i < 2; i++) { - xinstr->op[i].am_vib = sbi.operators[AM_VIB + i]; - xinstr->op[i].ksl_level = sbi.operators[KSL_LEVEL + i]; - xinstr->op[i].attack_decay = sbi.operators[ATTACK_DECAY + i]; - xinstr->op[i].sustain_release = sbi.operators[SUSTAIN_RELEASE + i]; - xinstr->op[i].wave_select = sbi.operators[WAVE_SELECT + i]; - } - xinstr->feedback_connection[0] = sbi.operators[CONNECTION]; - - if (format == OPL3_PATCH) { - xinstr->type = FM_PATCH_OPL3; - for (i = 0; i < 2; i++) { - xinstr->op[i+2].am_vib = sbi.operators[OFFSET_4OP + AM_VIB + i]; - xinstr->op[i+2].ksl_level = sbi.operators[OFFSET_4OP + KSL_LEVEL + i]; - xinstr->op[i+2].attack_decay = sbi.operators[OFFSET_4OP + ATTACK_DECAY + i]; - xinstr->op[i+2].sustain_release = sbi.operators[OFFSET_4OP + SUSTAIN_RELEASE + i]; - xinstr->op[i+2].wave_select = sbi.operators[OFFSET_4OP + WAVE_SELECT + i]; - } - xinstr->feedback_connection[1] = sbi.operators[OFFSET_4OP + CONNECTION]; - } else { - xinstr->type = FM_PATCH_OPL2; - } - - put->id.instr.std = SNDRV_SEQ_INSTR_TYPE2_OPL2_3; - put->id.instr.bank = 127; - put->id.instr.prg = sbi.channel; - put->cmd = SNDRV_SEQ_INSTR_PUT_CMD_CREATE; - - memset (&ev, 0, sizeof(ev)); - ev.source.client = SNDRV_SEQ_CLIENT_OSS; - ev.dest = arg->addr; - - ev.flags = SNDRV_SEQ_EVENT_LENGTH_VARUSR; - ev.queue = SNDRV_SEQ_QUEUE_DIRECT; - - fs = snd_enter_user(); - __again: - ev.type = SNDRV_SEQ_EVENT_INSTR_PUT; - ev.data.ext.len = size; - ev.data.ext.ptr = put; - - err = snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, &ev, - opl3->seq_client, 0, 0); - if (err == -EBUSY) { - struct snd_seq_instr_header remove; - - memset (&remove, 0, sizeof(remove)); - remove.cmd = SNDRV_SEQ_INSTR_FREE_CMD_SINGLE; - remove.id.instr = put->id.instr; - - /* remove instrument */ - ev.type = SNDRV_SEQ_EVENT_INSTR_FREE; - ev.data.ext.len = sizeof(remove); - ev.data.ext.ptr = &remove; - - snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, &ev, - opl3->seq_client, 0, 0); - goto __again; - } - snd_leave_user(fs); - - kfree(put); - } - return err; + return sizeof(sbi); } /* ioctl */ @@ -324,11 +249,14 @@ static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, { struct snd_opl3 *opl3; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; opl3 = arg->private_data; switch (cmd) { case SNDCTL_FM_LOAD_INSTR: - snd_printk("OPL3: Obsolete ioctl(SNDCTL_FM_LOAD_INSTR) used. Fix the program.\n"); + snd_printk(KERN_ERR "OPL3: " + "Obsolete ioctl(SNDCTL_FM_LOAD_INSTR) used. " + "Fix the program.\n"); return -EINVAL; case SNDCTL_SYNTH_MEMAVL: @@ -349,7 +277,8 @@ static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg) { struct snd_opl3 *opl3; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; opl3 = arg->private_data; return 0; |
