Root/include/sound/snd_wavefront.h

1#ifndef __SOUND_SND_WAVEFRONT_H__
2#define __SOUND_SND_WAVEFRONT_H__
3
4#include <sound/mpu401.h>
5#include <sound/hwdep.h>
6#include <sound/rawmidi.h>
7#include <sound/wavefront.h> /* generic OSS/ALSA/user-level wavefront header */
8
9/* MIDI interface */
10
11struct _snd_wavefront_midi;
12struct _snd_wavefront_card;
13struct _snd_wavefront;
14
15typedef struct _snd_wavefront_midi snd_wavefront_midi_t;
16typedef struct _snd_wavefront_card snd_wavefront_card_t;
17typedef struct _snd_wavefront snd_wavefront_t;
18
19typedef enum { internal_mpu = 0, external_mpu = 1 } snd_wavefront_mpu_id;
20
21struct _snd_wavefront_midi {
22        unsigned long base; /* I/O port address */
23    char isvirtual; /* doing virtual MIDI stuff ? */
24    char istimer; /* timer is used */
25        snd_wavefront_mpu_id output_mpu; /* most-recently-used */
26        snd_wavefront_mpu_id input_mpu; /* most-recently-used */
27        unsigned int mode[2]; /* MPU401_MODE_XXX */
28    struct snd_rawmidi_substream *substream_output[2];
29    struct snd_rawmidi_substream *substream_input[2];
30    struct timer_list timer;
31        spinlock_t open;
32        spinlock_t virtual; /* protects isvirtual */
33};
34
35#define OUTPUT_READY 0x40
36#define INPUT_AVAIL 0x80
37#define MPU_ACK 0xFE
38#define UART_MODE_ON 0x3F
39
40extern struct snd_rawmidi_ops snd_wavefront_midi_output;
41extern struct snd_rawmidi_ops snd_wavefront_midi_input;
42
43extern void snd_wavefront_midi_enable_virtual (snd_wavefront_card_t *);
44extern void snd_wavefront_midi_disable_virtual (snd_wavefront_card_t *);
45extern void snd_wavefront_midi_interrupt (snd_wavefront_card_t *);
46extern int snd_wavefront_midi_start (snd_wavefront_card_t *);
47
48struct _snd_wavefront {
49    unsigned long irq; /* "you were one, one of the few ..." */
50    unsigned long base; /* low i/o port address */
51    struct resource *res_base; /* i/o port resource allocation */
52
53#define mpu_data_port base
54#define mpu_command_port base + 1 /* write semantics */
55#define mpu_status_port base + 1 /* read semantics */
56#define data_port base + 2
57#define status_port base + 3 /* read semantics */
58#define control_port base + 3 /* write semantics */
59#define block_port base + 4 /* 16 bit, writeonly */
60#define last_block_port base + 6 /* 16 bit, writeonly */
61
62    /* FX ports. These are mapped through the ICS2115 to the YS225.
63       The ICS2115 takes care of flipping the relevant pins on the
64       YS225 so that access to each of these ports does the right
65       thing. Note: these are NOT documented by Turtle Beach.
66    */
67
68#define fx_status base + 8
69#define fx_op base + 8
70#define fx_lcr base + 9
71#define fx_dsp_addr base + 0xa
72#define fx_dsp_page base + 0xb
73#define fx_dsp_lsb base + 0xc
74#define fx_dsp_msb base + 0xd
75#define fx_mod_addr base + 0xe
76#define fx_mod_data base + 0xf
77
78    volatile int irq_ok; /* set by interrupt handler */
79        volatile int irq_cnt; /* ditto */
80    char debug; /* debugging flags */
81    int freemem; /* installed RAM, in bytes */
82
83    char fw_version[2]; /* major = [0], minor = [1] */
84    char hw_version[2]; /* major = [0], minor = [1] */
85    char israw; /* needs Motorola microcode */
86    char has_fx; /* has FX processor (Tropez+) */
87    char fx_initialized; /* FX's register pages initialized */
88    char prog_status[WF_MAX_PROGRAM]; /* WF_SLOT_* */
89    char patch_status[WF_MAX_PATCH]; /* WF_SLOT_* */
90    char sample_status[WF_MAX_SAMPLE]; /* WF_ST_* | WF_SLOT_* */
91    int samples_used; /* how many */
92    char interrupts_are_midi; /* h/w MPU interrupts enabled ? */
93    char rom_samples_rdonly; /* can we write on ROM samples */
94    spinlock_t irq_lock;
95    wait_queue_head_t interrupt_sleeper;
96    snd_wavefront_midi_t midi; /* ICS2115 MIDI interface */
97    struct snd_card *card;
98};
99
100struct _snd_wavefront_card {
101    snd_wavefront_t wavefront;
102#ifdef CONFIG_PNP
103    struct pnp_dev *wss;
104    struct pnp_dev *ctrl;
105    struct pnp_dev *mpu;
106    struct pnp_dev *synth;
107#endif /* CONFIG_PNP */
108};
109
110extern void snd_wavefront_internal_interrupt (snd_wavefront_card_t *card);
111extern int snd_wavefront_detect_irq (snd_wavefront_t *dev) ;
112extern int snd_wavefront_check_irq (snd_wavefront_t *dev, int irq);
113extern int snd_wavefront_restart (snd_wavefront_t *dev);
114extern int snd_wavefront_start (snd_wavefront_t *dev);
115extern int snd_wavefront_detect (snd_wavefront_card_t *card);
116extern int snd_wavefront_config_midi (snd_wavefront_t *dev) ;
117extern int snd_wavefront_cmd (snd_wavefront_t *, int, unsigned char *,
118                   unsigned char *);
119
120extern int snd_wavefront_synth_ioctl (struct snd_hwdep *,
121                    struct file *,
122                    unsigned int cmd,
123                    unsigned long arg);
124extern int snd_wavefront_synth_open (struct snd_hwdep *, struct file *);
125extern int snd_wavefront_synth_release (struct snd_hwdep *, struct file *);
126
127/* FX processor - see also yss225.[ch] */
128
129extern int snd_wavefront_fx_start (snd_wavefront_t *);
130extern int snd_wavefront_fx_detect (snd_wavefront_t *);
131extern int snd_wavefront_fx_ioctl (struct snd_hwdep *,
132                     struct file *,
133                     unsigned int cmd,
134                     unsigned long arg);
135extern int snd_wavefront_fx_open (struct snd_hwdep *, struct file *);
136extern int snd_wavefront_fx_release (struct snd_hwdep *, struct file *);
137
138/* prefix in all snd_printk() delivered messages */
139
140#define LOGNAME "WaveFront: "
141
142#endif /* __SOUND_SND_WAVEFRONT_H__ */
143

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