1#ifndef __SOUND_SND_WAVEFRONT_H__
2#define __SOUND_SND_WAVEFRONT_H__
3
4#include "cs4231.h"
5#include "mpu401.h"
6#include "hwdep.h"
7#include "rawmidi.h"
8#include "wavefront.h"  /* generic OSS/ALSA/user-level wavefront header */
9
10/* MIDI interface */
11
12struct _snd_wavefront_midi;
13struct _snd_wavefront_card;
14struct _snd_wavefront;
15
16typedef struct _snd_wavefront_midi snd_wavefront_midi_t;
17typedef struct _snd_wavefront_card snd_wavefront_card_t;
18typedef struct _snd_wavefront snd_wavefront_t;
19
20typedef enum { internal_mpu = 0, external_mpu = 1 } snd_wavefront_mpu_id;
21
22struct _snd_wavefront_midi {
23        unsigned long            base;        /* I/O port address */
24	char                     isvirtual;   /* doing virtual MIDI stuff ? */
25	char			 istimer;     /* timer is used */
26        snd_wavefront_mpu_id     output_mpu;  /* most-recently-used */
27        snd_wavefront_mpu_id     input_mpu;   /* most-recently-used */
28        unsigned int             mode[2];     /* MPU401_MODE_XXX */
29	struct snd_rawmidi_substream	 *substream_output[2];
30	struct snd_rawmidi_substream	 *substream_input[2];
31	struct timer_list	 timer;
32        spinlock_t               open;
33        spinlock_t               virtual;     /* protects isvirtual */
34};
35
36#define	OUTPUT_READY	0x40
37#define	INPUT_AVAIL	0x80
38#define	MPU_ACK		0xFE
39#define	UART_MODE_ON	0x3F
40
41extern struct snd_rawmidi_ops snd_wavefront_midi_output;
42extern struct snd_rawmidi_ops snd_wavefront_midi_input;
43
44extern void   snd_wavefront_midi_enable_virtual (snd_wavefront_card_t *);
45extern void   snd_wavefront_midi_disable_virtual (snd_wavefront_card_t *);
46extern void   snd_wavefront_midi_interrupt (snd_wavefront_card_t *);
47extern int    snd_wavefront_midi_start (snd_wavefront_card_t *);
48
49struct _snd_wavefront {
50	unsigned long    irq;   /* "you were one, one of the few ..." */
51	unsigned long    base;  /* low i/o port address */
52	struct resource	 *res_base; /* i/o port resource allocation */
53
54#define mpu_data_port    base
55#define mpu_command_port base + 1 /* write semantics */
56#define mpu_status_port  base + 1 /* read semantics */
57#define data_port        base + 2
58#define status_port      base + 3 /* read semantics */
59#define control_port     base + 3 /* write semantics  */
60#define block_port       base + 4 /* 16 bit, writeonly */
61#define last_block_port  base + 6 /* 16 bit, writeonly */
62
63	/* FX ports. These are mapped through the ICS2115 to the YS225.
64	   The ICS2115 takes care of flipping the relevant pins on the
65	   YS225 so that access to each of these ports does the right
66	   thing. Note: these are NOT documented by Turtle Beach.
67	*/
68
69#define fx_status       base + 8
70#define fx_op           base + 8
71#define fx_lcr          base + 9
72#define fx_dsp_addr     base + 0xa
73#define fx_dsp_page     base + 0xb
74#define fx_dsp_lsb      base + 0xc
75#define fx_dsp_msb      base + 0xd
76#define fx_mod_addr     base + 0xe
77#define fx_mod_data     base + 0xf
78
79	volatile int irq_ok;               /* set by interrupt handler */
80        volatile int irq_cnt;              /* ditto */
81	char debug;                        /* debugging flags */
82	int freemem;                       /* installed RAM, in bytes */
83
84	char fw_version[2];                /* major = [0], minor = [1] */
85	char hw_version[2];                /* major = [0], minor = [1] */
86	char israw;                        /* needs Motorola microcode */
87	char has_fx;                       /* has FX processor (Tropez+) */
88	char fx_initialized;               /* FX's register pages initialized */
89	char prog_status[WF_MAX_PROGRAM];  /* WF_SLOT_* */
90	char patch_status[WF_MAX_PATCH];   /* WF_SLOT_* */
91	char sample_status[WF_MAX_SAMPLE]; /* WF_ST_* | WF_SLOT_* */
92	int samples_used;                  /* how many */
93	char interrupts_are_midi;          /* h/w MPU interrupts enabled ? */
94	char rom_samples_rdonly;           /* can we write on ROM samples */
95	spinlock_t irq_lock;
96	wait_queue_head_t interrupt_sleeper;
97	snd_wavefront_midi_t midi;         /* ICS2115 MIDI interface */
98	struct snd_card *card;
99};
100
101struct _snd_wavefront_card {
102	snd_wavefront_t wavefront;
103#ifdef CONFIG_PNP
104	struct pnp_dev *wss;
105	struct pnp_dev *ctrl;
106	struct pnp_dev *mpu;
107	struct pnp_dev *synth;
108#endif /* CONFIG_PNP */
109};
110
111extern void snd_wavefront_internal_interrupt (snd_wavefront_card_t *card);
112extern int  snd_wavefront_detect_irq (snd_wavefront_t *dev) ;
113extern int  snd_wavefront_check_irq (snd_wavefront_t *dev, int irq);
114extern int  snd_wavefront_restart (snd_wavefront_t *dev);
115extern int  snd_wavefront_start (snd_wavefront_t *dev);
116extern int  snd_wavefront_detect (snd_wavefront_card_t *card);
117extern int  snd_wavefront_config_midi (snd_wavefront_t *dev) ;
118extern int  snd_wavefront_cmd (snd_wavefront_t *, int, unsigned char *,
119			       unsigned char *);
120
121extern int snd_wavefront_synth_ioctl   (struct snd_hwdep *,
122					struct file *,
123					unsigned int cmd,
124					unsigned long arg);
125extern int  snd_wavefront_synth_open    (struct snd_hwdep *, struct file *);
126extern int  snd_wavefront_synth_release (struct snd_hwdep *, struct file *);
127
128/* FX processor - see also yss225.[ch] */
129
130extern int  snd_wavefront_fx_start  (snd_wavefront_t *);
131extern int  snd_wavefront_fx_detect (snd_wavefront_t *);
132extern int  snd_wavefront_fx_ioctl  (struct snd_hwdep *,
133				     struct file *,
134				     unsigned int cmd,
135				     unsigned long arg);
136extern int snd_wavefront_fx_open    (struct snd_hwdep *, struct file *);
137extern int snd_wavefront_fx_release (struct snd_hwdep *, struct file *);
138
139/* prefix in all snd_printk() delivered messages */
140
141#define LOGNAME "WaveFront: "
142
143#endif  /* __SOUND_SND_WAVEFRONT_H__ */
144