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Based on 1 normalized pattern(s): 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 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef __SOUND_EMU8000_H
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#define __SOUND_EMU8000_H
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/*
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* Defines for the emu8000 (AWE32/64)
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*
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* Copyright (C) 1999 Steve Ratcliffe
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* Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
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*/
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#include <sound/emux_synth.h>
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#include <sound/seq_kernel.h>
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/*
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* Hardware parameters.
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*/
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#define EMU8000_MAX_DRAM (28 * 1024 * 1024) /* Max on-board mem is 28Mb ???*/
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#define EMU8000_DRAM_OFFSET 0x200000 /* Beginning of on board ram */
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#define EMU8000_CHANNELS 32 /* Number of hardware channels */
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#define EMU8000_DRAM_VOICES 30 /* number of normal voices */
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/* Flags to set a dma channel to read or write */
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#define EMU8000_RAM_READ 0
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#define EMU8000_RAM_WRITE 1
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#define EMU8000_RAM_CLOSE 2
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#define EMU8000_RAM_MODE_MASK 0x03
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#define EMU8000_RAM_RIGHT 0x10 /* use 'right' DMA channel */
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enum {
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EMU8000_CONTROL_BASS = 0,
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EMU8000_CONTROL_TREBLE,
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EMU8000_CONTROL_CHORUS_MODE,
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EMU8000_CONTROL_REVERB_MODE,
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EMU8000_CONTROL_FM_CHORUS_DEPTH,
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EMU8000_CONTROL_FM_REVERB_DEPTH,
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EMU8000_NUM_CONTROLS,
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};
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/*
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* Structure to hold all state information for the emu8000 driver.
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*
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* Note 1: The chip supports 32 channels in hardware this is max_channels
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* some of the channels may be used for other things so max_channels is
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* the number in use for wave voices.
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*/
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struct snd_emu8000 {
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struct snd_emux *emu;
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int index; /* sequencer client index */
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int seq_ports; /* number of sequencer ports */
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int fm_chorus_depth; /* FM OPL3 chorus depth */
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int fm_reverb_depth; /* FM OPL3 reverb depth */
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int mem_size; /* memory size */
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unsigned long port1; /* Port usually base+0 */
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unsigned long port2; /* Port usually at base+0x400 */
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unsigned long port3; /* Port usually at base+0x800 */
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struct resource *res_port1;
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struct resource *res_port2;
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struct resource *res_port3;
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unsigned short last_reg;/* Last register command */
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spinlock_t reg_lock;
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int dram_checked;
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struct snd_card *card; /* The card that this belongs to */
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int chorus_mode;
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int reverb_mode;
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int bass_level;
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int treble_level;
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struct snd_util_memhdr *memhdr;
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spinlock_t control_lock;
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struct snd_kcontrol *controls[EMU8000_NUM_CONTROLS];
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struct snd_pcm *pcm; /* pcm on emu8000 wavetable */
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};
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/* sequencer device id */
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#define SNDRV_SEQ_DEV_ID_EMU8000 "emu8000-synth"
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/* exported functions */
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int snd_emu8000_new(struct snd_card *card, int device, long port, int seq_ports,
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struct snd_seq_device **ret);
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void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg,
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unsigned int val);
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unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port,
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unsigned int reg);
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void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg,
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unsigned int val);
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unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port,
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unsigned int reg);
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void snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode);
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void snd_emu8000_init_fm(struct snd_emu8000 *emu);
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void snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu);
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void snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu);
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void snd_emu8000_update_equalizer(struct snd_emu8000 *emu);
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int snd_emu8000_load_chorus_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len);
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int snd_emu8000_load_reverb_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len);
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#endif /* __SOUND_EMU8000_H */
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