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[ALSA] opl3 - Use hwdep for patch loading

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Use the hwdep device for loading OPL2/3 patch data instead of the
messy sequencer instrument layer.
Due to this change, the sbiload program should be updated, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Iwai
2007-10-30 11:49:22 +01:00
committed by Jaroslav Kysela
parent ceac4bf34e
commit 224a033252
7 changed files with 292 additions and 159 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sound/asound_fm.h
+19
View File
@@ -104,6 +104,8 @@ struct snd_dm_fm_params {
#define SNDRV_DM_FM_IOCTL_SET_MODE _IOW('H', 0x25, int)
/* for OPL3 only */
#define SNDRV_DM_FM_IOCTL_SET_CONNECTION _IOW('H', 0x26, int)
/* SBI patch management */
#define SNDRV_DM_FM_IOCTL_CLEAR_PATCHES _IO ('H', 0x40)
#define SNDRV_DM_FM_OSS_IOCTL_RESET 0x20
#define SNDRV_DM_FM_OSS_IOCTL_PLAY_NOTE 0x21
@@ -112,4 +114,21 @@ struct snd_dm_fm_params {
#define SNDRV_DM_FM_OSS_IOCTL_SET_MODE 0x24
#define SNDRV_DM_FM_OSS_IOCTL_SET_OPL 0x25
/*
* Patch Record - fixed size for write
*/
#define FM_KEY_SBI "SBI\032"
#define FM_KEY_2OP "2OP\032"
#define FM_KEY_4OP "4OP\032"
struct sbi_patch {
unsigned char prog;
unsigned char bank;
char key[4];
char name[25];
char extension[7];
unsigned char data[32];
};
#endif /* __SOUND_ASOUND_FM_H */
include/sound/opl3.h
+55 -3
View File
@@ -63,7 +63,7 @@
#include "seq_oss_legacy.h"
#endif
#include "seq_device.h"
#include "ainstr_fm.h"
#include "asound_fm.h"
/*
* Register numbers for the global registers
@@ -239,6 +239,47 @@
struct snd_opl3;
/*
* Instrument record, aka "Patch"
*/
/* FM operator */
struct fm_operator {
unsigned char am_vib;
unsigned char ksl_level;
unsigned char attack_decay;
unsigned char sustain_release;
unsigned char wave_select;
} __attribute__((packed));
/* Instrument data */
struct fm_instrument {
struct fm_operator op[4];
unsigned char feedback_connection[2];
unsigned char echo_delay;
unsigned char echo_atten;
unsigned char chorus_spread;
unsigned char trnsps;
unsigned char fix_dur;
unsigned char modes;
unsigned char fix_key;
};
/* type */
#define FM_PATCH_OPL2 0x01 /* OPL2 2 operators FM instrument */
#define FM_PATCH_OPL3 0x02 /* OPL3 4 operators FM instrument */
/* Instrument record */
struct fm_patch {
unsigned char prog;
unsigned char bank;
unsigned char type;
struct fm_instrument inst;
char name[24];
struct fm_patch *next;
};
/*
* A structure to keep track of each hardware voice
*/
@@ -297,8 +338,8 @@ struct snd_opl3 {
struct snd_midi_channel_set * oss_chset;
#endif
struct snd_seq_kinstr_ops fm_ops;
struct snd_seq_kinstr_list *ilist;
#define OPL3_PATCH_HASH_SIZE 32
struct fm_patch *patch_table[OPL3_PATCH_HASH_SIZE];
struct snd_opl3_voice voices[MAX_OPL3_VOICES]; /* Voices (OPL3 'channel') */
int use_time; /* allocation counter */
@@ -333,8 +374,19 @@ int snd_opl3_hwdep_new(struct snd_opl3 * opl3, int device, int seq_device,
int snd_opl3_open(struct snd_hwdep * hw, struct file *file);
int snd_opl3_ioctl(struct snd_hwdep * hw, struct file *file,
unsigned int cmd, unsigned long arg);
long snd_opl3_write(struct snd_hwdep *hw, const char __user *buf, long count,
loff_t *offset);
int snd_opl3_release(struct snd_hwdep * hw, struct file *file);
void snd_opl3_reset(struct snd_opl3 * opl3);
int snd_opl3_load_patch(struct snd_opl3 *opl3,
int prog, int bank, int type,
const char *name,
const unsigned char *ext,
const unsigned char *data);
struct fm_patch *snd_opl3_find_patch(struct snd_opl3 *opl3, int prog, int bank,
int create_patch);
void snd_opl3_clear_patches(struct snd_opl3 *opl3);
#endif /* __SOUND_OPL3_H */