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+/*********************************************************************
+ *
+ * msnd.h
+ *
+ * Turtle Beach MultiSound Sound Card Driver for Linux
+ *
+ * Some parts of this header file were derived from the Turtle Beach
+ * MultiSound Driver Development Kit.
+ *
+ * Copyright (C) 1998 Andrew Veliath
+ * Copyright (C) 1993 Turtle Beach Systems, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ ********************************************************************/
+#ifndef __MSND_H
+#define __MSND_H
+
+#define VERSION "0.8.3.1"
+
+#define DEFSAMPLERATE DSP_DEFAULT_SPEED
+#define DEFSAMPLESIZE AFMT_U8
+#define DEFCHANNELS 1
+
+#define DEFFIFOSIZE 128
+
+#define SNDCARD_MSND 38
+
+#define SRAM_BANK_SIZE 0x8000
+#define SRAM_CNTL_START 0x7F00
+
+#define DSP_BASE_ADDR 0x4000
+#define DSP_BANK_BASE 0x4000
+
+#define HP_ICR 0x00
+#define HP_CVR 0x01
+#define HP_ISR 0x02
+#define HP_IVR 0x03
+#define HP_NU 0x04
+#define HP_INFO 0x04
+#define HP_TXH 0x05
+#define HP_RXH 0x05
+#define HP_TXM 0x06
+#define HP_RXM 0x06
+#define HP_TXL 0x07
+#define HP_RXL 0x07
+
+#define HP_ICR_DEF 0x00
+#define HP_CVR_DEF 0x12
+#define HP_ISR_DEF 0x06
+#define HP_IVR_DEF 0x0f
+#define HP_NU_DEF 0x00
+
+#define HP_IRQM 0x09
+
+#define HPR_BLRC 0x08
+#define HPR_SPR1 0x09
+#define HPR_SPR2 0x0A
+#define HPR_TCL0 0x0B
+#define HPR_TCL1 0x0C
+#define HPR_TCL2 0x0D
+#define HPR_TCL3 0x0E
+#define HPR_TCL4 0x0F
+
+#define HPICR_INIT 0x80
+#define HPICR_HM1 0x40
+#define HPICR_HM0 0x20
+#define HPICR_HF1 0x10
+#define HPICR_HF0 0x08
+#define HPICR_TREQ 0x02
+#define HPICR_RREQ 0x01
+
+#define HPCVR_HC 0x80
+
+#define HPISR_HREQ 0x80
+#define HPISR_DMA 0x40
+#define HPISR_HF3 0x10
+#define HPISR_HF2 0x08
+#define HPISR_TRDY 0x04
+#define HPISR_TXDE 0x02
+#define HPISR_RXDF 0x01
+
+#define HPIO_290 0
+#define HPIO_260 1
+#define HPIO_250 2
+#define HPIO_240 3
+#define HPIO_230 4
+#define HPIO_220 5
+#define HPIO_210 6
+#define HPIO_3E0 7
+
+#define HPMEM_NONE 0
+#define HPMEM_B000 1
+#define HPMEM_C800 2
+#define HPMEM_D000 3
+#define HPMEM_D400 4
+#define HPMEM_D800 5
+#define HPMEM_E000 6
+#define HPMEM_E800 7
+
+#define HPIRQ_NONE 0
+#define HPIRQ_5 1
+#define HPIRQ_7 2
+#define HPIRQ_9 3
+#define HPIRQ_10 4
+#define HPIRQ_11 5
+#define HPIRQ_12 6
+#define HPIRQ_15 7
+
+#define HIMT_PLAY_DONE 0x00
+#define HIMT_RECORD_DONE 0x01
+#define HIMT_MIDI_EOS 0x02
+#define HIMT_MIDI_OUT 0x03
+
+#define HIMT_MIDI_IN_UCHAR 0x0E
+#define HIMT_DSP 0x0F
+
+#define HDEX_BASE 0x92
+#define HDEX_PLAY_START (0 + HDEX_BASE)
+#define HDEX_PLAY_STOP (1 + HDEX_BASE)
+#define HDEX_PLAY_PAUSE (2 + HDEX_BASE)
+#define HDEX_PLAY_RESUME (3 + HDEX_BASE)
+#define HDEX_RECORD_START (4 + HDEX_BASE)
+#define HDEX_RECORD_STOP (5 + HDEX_BASE)
+#define HDEX_MIDI_IN_START (6 + HDEX_BASE)
+#define HDEX_MIDI_IN_STOP (7 + HDEX_BASE)
+#define HDEX_MIDI_OUT_START (8 + HDEX_BASE)
+#define HDEX_MIDI_OUT_STOP (9 + HDEX_BASE)
+#define HDEX_AUX_REQ (10 + HDEX_BASE)
+
+#define HIWORD(l) ((WORD)((((DWORD)(l)) >> 16) & 0xFFFF))
+#define LOWORD(l) ((WORD)(DWORD)(l))
+#define HIBYTE(w) ((BYTE)(((WORD)(w) >> 8) & 0xFF))
+#define LOBYTE(w) ((BYTE)(w))
+#define MAKELONG(low,hi) ((long)(((WORD)(low))|(((DWORD)((WORD)(hi)))<<16)))
+#define MAKEWORD(low,hi) ((WORD)(((BYTE)(low))|(((WORD)((BYTE)(hi)))<<8)))
+
+#define PCTODSP_OFFSET(w) (USHORT)((w)/2)
+#define PCTODSP_BASED(w) (USHORT)(((w)/2) + DSP_BASE_ADDR)
+#define DSPTOPC_BASED(w) (((w) - DSP_BASE_ADDR) * 2)
+
+#ifdef SLOWIO
+#define msnd_outb outb_p
+#define msnd_inb inb_p
+#else
+#define msnd_outb outb
+#define msnd_inb inb
+#endif
+
+/* JobQueueStruct */
+#define JQS_wStart 0x00
+#define JQS_wSize 0x02
+#define JQS_wHead 0x04
+#define JQS_wTail 0x06
+#define JQS__size 0x08
+
+/* DAQueueDataStruct */
+#define DAQDS_wStart 0x00
+#define DAQDS_wSize 0x02
+#define DAQDS_wFormat 0x04
+#define DAQDS_wSampleSize 0x06
+#define DAQDS_wChannels 0x08
+#define DAQDS_wSampleRate 0x0A
+#define DAQDS_wIntMsg 0x0C
+#define DAQDS_wFlags 0x0E
+#define DAQDS__size 0x10
+
+typedef u8 BYTE;
+typedef u16 USHORT;
+typedef u16 WORD;
+typedef u32 DWORD;
+typedef void __iomem * LPDAQD;
+
+/* Generic FIFO */
+typedef struct {
+ size_t n, len;
+ char *data;
+ int head, tail;
+} msnd_fifo;
+
+typedef struct multisound_dev {
+ /* Linux device info */
+ char *name;
+ int dsp_minor, mixer_minor;
+ int ext_midi_dev, hdr_midi_dev;
+
+ /* Hardware resources */
+ int io, numio;
+ int memid, irqid;
+ int irq, irq_ref;
+ unsigned char info;
+ void __iomem *base;
+
+ /* Motorola 56k DSP SMA */
+ void __iomem *SMA;
+ void __iomem *DAPQ, *DARQ, *MODQ, *MIDQ, *DSPQ;
+ void __iomem *pwDSPQData, *pwMIDQData, *pwMODQData;
+ int dspq_data_buff, dspq_buff_size;
+
+ /* State variables */
+ enum { msndClassic, msndPinnacle } type;
+ fmode_t mode;
+ unsigned long flags;
+#define F_RESETTING 0
+#define F_HAVEDIGITAL 1
+#define F_AUDIO_WRITE_INUSE 2
+#define F_WRITING 3
+#define F_WRITEBLOCK 4
+#define F_WRITEFLUSH 5
+#define F_AUDIO_READ_INUSE 6
+#define F_READING 7
+#define F_READBLOCK 8
+#define F_EXT_MIDI_INUSE 9
+#define F_HDR_MIDI_INUSE 10
+#define F_DISABLE_WRITE_NDELAY 11
+ wait_queue_head_t writeblock;
+ wait_queue_head_t readblock;
+ wait_queue_head_t writeflush;
+ spinlock_t lock;
+ int nresets;
+ unsigned long recsrc;
+ int left_levels[32];
+ int right_levels[32];
+ int mixer_mod_count;
+ int calibrate_signal;
+ int play_sample_size, play_sample_rate, play_channels;
+ int play_ndelay;
+ int rec_sample_size, rec_sample_rate, rec_channels;
+ int rec_ndelay;
+ BYTE bCurrentMidiPatch;
+
+ /* Digital audio FIFOs */
+ msnd_fifo DAPF, DARF;
+ int fifosize;
+ int last_playbank, last_recbank;
+
+ /* MIDI in callback */
+ void (*midi_in_interrupt)(struct multisound_dev *);
+} multisound_dev_t;
+
+#ifndef mdelay
+# define mdelay(a) udelay((a) * 1000)
+#endif
+
+int msnd_register(multisound_dev_t *dev);
+void msnd_unregister(multisound_dev_t *dev);
+
+void msnd_init_queue(void __iomem *, int start, int size);
+
+void msnd_fifo_init(msnd_fifo *f);
+void msnd_fifo_free(msnd_fifo *f);
+int msnd_fifo_alloc(msnd_fifo *f, size_t n);
+void msnd_fifo_make_empty(msnd_fifo *f);
+int msnd_fifo_write_io(msnd_fifo *f, char __iomem *buf, size_t len);
+int msnd_fifo_read_io(msnd_fifo *f, char __iomem *buf, size_t len);
+int msnd_fifo_write(msnd_fifo *f, const char *buf, size_t len);
+int msnd_fifo_read(msnd_fifo *f, char *buf, size_t len);
+
+int msnd_send_dsp_cmd(multisound_dev_t *dev, BYTE cmd);
+int msnd_send_word(multisound_dev_t *dev, unsigned char high,
+ unsigned char mid, unsigned char low);
+int msnd_upload_host(multisound_dev_t *dev, char *bin, int len);
+int msnd_enable_irq(multisound_dev_t *dev);
+int msnd_disable_irq(multisound_dev_t *dev);
+
+#endif /* __MSND_H */