#define SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE 0x3000
/* microcode header */
-typedef struct snd_sb_csp_mc_header {
+struct snd_sb_csp_mc_header {
char codec_name[16]; /* id name of codec */
unsigned short func_req; /* requested function */
-} snd_sb_csp_mc_header_t;
+};
/* microcode to be loaded */
-typedef struct snd_sb_csp_microcode {
- snd_sb_csp_mc_header_t info;
+struct snd_sb_csp_microcode {
+ struct snd_sb_csp_mc_header info;
unsigned char data[SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE];
-} snd_sb_csp_microcode_t;
+};
/* start CSP with sample_width in mono/stereo */
-typedef struct snd_sb_csp_start {
+struct snd_sb_csp_start {
int sample_width; /* sample width, look above */
int channels; /* channels, look above */
-} snd_sb_csp_start_t;
+};
/* CSP information */
-typedef struct snd_sb_csp_info {
+struct snd_sb_csp_info {
char codec_name[16]; /* id name of codec */
unsigned short func_nr; /* function number */
unsigned int acc_format; /* accepted PCM formats */
unsigned short run_width; /* current sample width */
unsigned short version; /* version id: 0x10 - 0x1f */
unsigned short state; /* state bits */
-} snd_sb_csp_info_t;
+};
/* HWDEP controls */
/* get CSP information */
-#define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, snd_sb_csp_info_t)
+#define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, struct snd_sb_csp_info)
/* load microcode to CSP */
-#define SNDRV_SB_CSP_IOCTL_LOAD_CODE _IOW('H', 0x11, snd_sb_csp_microcode_t)
+#define SNDRV_SB_CSP_IOCTL_LOAD_CODE _IOW('H', 0x11, struct snd_sb_csp_microcode)
/* unload microcode from CSP */
#define SNDRV_SB_CSP_IOCTL_UNLOAD_CODE _IO('H', 0x12)
/* start CSP */
-#define SNDRV_SB_CSP_IOCTL_START _IOW('H', 0x13, snd_sb_csp_start_t)
+#define SNDRV_SB_CSP_IOCTL_START _IOW('H', 0x13, struct snd_sb_csp_start)
/* stop CSP */
#define SNDRV_SB_CSP_IOCTL_STOP _IO('H', 0x14)
/* pause CSP and DMA transfer */
#ifdef __KERNEL__
#include "sb.h"
#include "hwdep.h"
+#include <linux/firmware.h>
+
+struct snd_sb_csp;
-typedef struct snd_sb_csp snd_sb_csp_t;
+/* indices for the known CSP programs */
+enum {
+ CSP_PROGRAM_MULAW,
+ CSP_PROGRAM_ALAW,
+ CSP_PROGRAM_ADPCM_INIT,
+ CSP_PROGRAM_ADPCM_PLAYBACK,
+ CSP_PROGRAM_ADPCM_CAPTURE,
+
+ CSP_PROGRAM_COUNT
+};
/*
* CSP operators
*/
-typedef struct {
- int (*csp_use) (snd_sb_csp_t * p);
- int (*csp_unuse) (snd_sb_csp_t * p);
- int (*csp_autoload) (snd_sb_csp_t * p, int pcm_sfmt, int play_rec_mode);
- int (*csp_start) (snd_sb_csp_t * p, int sample_width, int channels);
- int (*csp_stop) (snd_sb_csp_t * p);
- int (*csp_qsound_transfer) (snd_sb_csp_t * p);
-} snd_sb_csp_ops_t;
+struct snd_sb_csp_ops {
+ int (*csp_use) (struct snd_sb_csp * p);
+ int (*csp_unuse) (struct snd_sb_csp * p);
+ int (*csp_autoload) (struct snd_sb_csp * p, int pcm_sfmt, int play_rec_mode);
+ int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels);
+ int (*csp_stop) (struct snd_sb_csp * p);
+ int (*csp_qsound_transfer) (struct snd_sb_csp * p);
+};
/*
* CSP private data
*/
struct snd_sb_csp {
- sb_t *chip; /* SB16 DSP */
+ struct snd_sb *chip; /* SB16 DSP */
int used; /* usage flag - exclusive */
char codec_name[16]; /* name of codec */
unsigned short func_nr; /* function number */
int version; /* CSP version (0x10 - 0x1f) */
int running; /* running state */
- snd_sb_csp_ops_t ops; /* operators */
+ struct snd_sb_csp_ops ops; /* operators */
spinlock_t q_lock; /* locking */
int q_enabled; /* enabled flag */
int qpos_right; /* right position */
int qpos_changed; /* position changed flag */
- snd_kcontrol_t *qsound_switch;
- snd_kcontrol_t *qsound_space;
+ struct snd_kcontrol *qsound_switch;
+ struct snd_kcontrol *qsound_space;
+
+ struct mutex access_mutex; /* locking */
- struct semaphore access_mutex; /* locking */
+ const struct firmware *csp_programs[CSP_PROGRAM_COUNT];
};
-int snd_sb_csp_new(sb_t *chip, int device, snd_hwdep_t ** rhwdep);
+int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep);
#endif
#endif /* __SOUND_SB16_CSP */