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-rw-r--r--include/sound/gus.h718
1 files changed, 718 insertions, 0 deletions
diff --git a/include/sound/gus.h b/include/sound/gus.h
new file mode 100644
index 000000000000..8b6287a6fff5
--- /dev/null
+++ b/include/sound/gus.h
@@ -0,0 +1,718 @@
+#ifndef __SOUND_GUS_H
+#define __SOUND_GUS_H
+
+/*
+ * Global structures used for GUS part of ALSA driver
+ * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ * 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
+ *
+ */
+
+#include "pcm.h"
+#include "rawmidi.h"
+#include "timer.h"
+#include "seq_midi_emul.h"
+#include "seq_device.h"
+#include "ainstr_iw.h"
+#include "ainstr_gf1.h"
+#include "ainstr_simple.h"
+#include <asm/io.h>
+
+#define SNDRV_SEQ_DEV_ID_GUS "gus-synth"
+
+/* IO ports */
+
+#define GUSP(gus, x) ((gus)->gf1.port + SNDRV_g_u_s_##x)
+
+#define SNDRV_g_u_s_MIDICTRL (0x320-0x220)
+#define SNDRV_g_u_s_MIDISTAT (0x320-0x220)
+#define SNDRV_g_u_s_MIDIDATA (0x321-0x220)
+
+#define SNDRV_g_u_s_GF1PAGE (0x322-0x220)
+#define SNDRV_g_u_s_GF1REGSEL (0x323-0x220)
+#define SNDRV_g_u_s_GF1DATALOW (0x324-0x220)
+#define SNDRV_g_u_s_GF1DATAHIGH (0x325-0x220)
+#define SNDRV_g_u_s_IRQSTAT (0x226-0x220)
+#define SNDRV_g_u_s_TIMERCNTRL (0x228-0x220)
+#define SNDRV_g_u_s_TIMERDATA (0x229-0x220)
+#define SNDRV_g_u_s_DRAM (0x327-0x220)
+#define SNDRV_g_u_s_MIXCNTRLREG (0x220-0x220)
+#define SNDRV_g_u_s_IRQDMACNTRLREG (0x22b-0x220)
+#define SNDRV_g_u_s_REGCNTRLS (0x22f-0x220)
+#define SNDRV_g_u_s_BOARDVERSION (0x726-0x220)
+#define SNDRV_g_u_s_MIXCNTRLPORT (0x726-0x220)
+#define SNDRV_g_u_s_IVER (0x325-0x220)
+#define SNDRV_g_u_s_MIXDATAPORT (0x326-0x220)
+#define SNDRV_g_u_s_MAXCNTRLPORT (0x326-0x220)
+
+/* GF1 registers */
+
+/* global registers */
+#define SNDRV_GF1_GB_ACTIVE_VOICES 0x0e
+#define SNDRV_GF1_GB_VOICES_IRQ 0x0f
+#define SNDRV_GF1_GB_GLOBAL_MODE 0x19
+#define SNDRV_GF1_GW_LFO_BASE 0x1a
+#define SNDRV_GF1_GB_VOICES_IRQ_READ 0x1f
+#define SNDRV_GF1_GB_DRAM_DMA_CONTROL 0x41
+#define SNDRV_GF1_GW_DRAM_DMA_LOW 0x42
+#define SNDRV_GF1_GW_DRAM_IO_LOW 0x43
+#define SNDRV_GF1_GB_DRAM_IO_HIGH 0x44
+#define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL 0x45
+#define SNDRV_GF1_GB_ADLIB_TIMER_1 0x46
+#define SNDRV_GF1_GB_ADLIB_TIMER_2 0x47
+#define SNDRV_GF1_GB_RECORD_RATE 0x48
+#define SNDRV_GF1_GB_REC_DMA_CONTROL 0x49
+#define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL 0x4b
+#define SNDRV_GF1_GB_RESET 0x4c
+#define SNDRV_GF1_GB_DRAM_DMA_HIGH 0x50
+#define SNDRV_GF1_GW_DRAM_IO16 0x51
+#define SNDRV_GF1_GW_MEMORY_CONFIG 0x52
+#define SNDRV_GF1_GB_MEMORY_CONTROL 0x53
+#define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR 0x54
+#define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR 0x55
+#define SNDRV_GF1_GW_FIFO_SIZE 0x56
+#define SNDRV_GF1_GW_INTERLEAVE 0x57
+#define SNDRV_GF1_GB_COMPATIBILITY 0x59
+#define SNDRV_GF1_GB_DECODE_CONTROL 0x5a
+#define SNDRV_GF1_GB_VERSION_NUMBER 0x5b
+#define SNDRV_GF1_GB_MPU401_CONTROL_A 0x5c
+#define SNDRV_GF1_GB_MPU401_CONTROL_B 0x5d
+#define SNDRV_GF1_GB_EMULATION_IRQ 0x60
+/* voice specific registers */
+#define SNDRV_GF1_VB_ADDRESS_CONTROL 0x00
+#define SNDRV_GF1_VW_FREQUENCY 0x01
+#define SNDRV_GF1_VW_START_HIGH 0x02
+#define SNDRV_GF1_VW_START_LOW 0x03
+#define SNDRV_GF1_VA_START SNDRV_GF1_VW_START_HIGH
+#define SNDRV_GF1_VW_END_HIGH 0x04
+#define SNDRV_GF1_VW_END_LOW 0x05
+#define SNDRV_GF1_VA_END SNDRV_GF1_VW_END_HIGH
+#define SNDRV_GF1_VB_VOLUME_RATE 0x06
+#define SNDRV_GF1_VB_VOLUME_START 0x07
+#define SNDRV_GF1_VB_VOLUME_END 0x08
+#define SNDRV_GF1_VW_VOLUME 0x09
+#define SNDRV_GF1_VW_CURRENT_HIGH 0x0a
+#define SNDRV_GF1_VW_CURRENT_LOW 0x0b
+#define SNDRV_GF1_VA_CURRENT SNDRV_GF1_VW_CURRENT_HIGH
+#define SNDRV_GF1_VB_PAN 0x0c
+#define SNDRV_GF1_VW_OFFSET_RIGHT 0x0c
+#define SNDRV_GF1_VB_VOLUME_CONTROL 0x0d
+#define SNDRV_GF1_VB_UPPER_ADDRESS 0x10
+#define SNDRV_GF1_VW_EFFECT_HIGH 0x11
+#define SNDRV_GF1_VW_EFFECT_LOW 0x12
+#define SNDRV_GF1_VA_EFFECT SNDRV_GF1_VW_EFFECT_HIGH
+#define SNDRV_GF1_VW_OFFSET_LEFT 0x13
+#define SNDRV_GF1_VB_ACCUMULATOR 0x14
+#define SNDRV_GF1_VB_MODE 0x15
+#define SNDRV_GF1_VW_EFFECT_VOLUME 0x16
+#define SNDRV_GF1_VB_FREQUENCY_LFO 0x17
+#define SNDRV_GF1_VB_VOLUME_LFO 0x18
+#define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL 0x1b
+#define SNDRV_GF1_VW_OFFSET_LEFT_FINAL 0x1c
+#define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL 0x1d
+
+/* ICS registers */
+
+#define SNDRV_ICS_MIC_DEV 0
+#define SNDRV_ICS_LINE_DEV 1
+#define SNDRV_ICS_CD_DEV 2
+#define SNDRV_ICS_GF1_DEV 3
+#define SNDRV_ICS_NONE_DEV 4
+#define SNDRV_ICS_MASTER_DEV 5
+
+/* LFO */
+
+#define SNDRV_LFO_TREMOLO 0
+#define SNDRV_LFO_VIBRATO 1
+
+/* misc */
+
+#define SNDRV_GF1_DMA_UNSIGNED 0x80
+#define SNDRV_GF1_DMA_16BIT 0x40
+#define SNDRV_GF1_DMA_IRQ 0x20
+#define SNDRV_GF1_DMA_WIDTH16 0x04
+#define SNDRV_GF1_DMA_READ 0x02 /* read from GUS's DRAM */
+#define SNDRV_GF1_DMA_ENABLE 0x01
+
+/* ramp ranges */
+
+#define SNDRV_GF1_ATTEN(x) (snd_gf1_atten_table[x])
+#define SNDRV_GF1_MIN_VOLUME 1800
+#define SNDRV_GF1_MAX_VOLUME 4095
+#define SNDRV_GF1_MIN_OFFSET (SNDRV_GF1_MIN_VOLUME>>4)
+#define SNDRV_GF1_MAX_OFFSET 255
+#define SNDRV_GF1_MAX_TDEPTH 90
+
+/* defines for memory manager */
+
+#define SNDRV_GF1_MEM_BLOCK_16BIT 0x0001
+
+#define SNDRV_GF1_MEM_OWNER_DRIVER 0x0001
+#define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002
+#define SNDRV_GF1_MEM_OWNER_WAVE_GF1 0x0003
+#define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004
+
+/* constants for interrupt handlers */
+
+#define SNDRV_GF1_HANDLER_MIDI_OUT 0x00010000
+#define SNDRV_GF1_HANDLER_MIDI_IN 0x00020000
+#define SNDRV_GF1_HANDLER_TIMER1 0x00040000
+#define SNDRV_GF1_HANDLER_TIMER2 0x00080000
+#define SNDRV_GF1_HANDLER_VOICE 0x00100000
+#define SNDRV_GF1_HANDLER_DMA_WRITE 0x00200000
+#define SNDRV_GF1_HANDLER_DMA_READ 0x00400000
+#define SNDRV_GF1_HANDLER_ALL (0xffff0000&~SNDRV_GF1_HANDLER_VOICE)
+
+/* constants for DMA flags */
+
+#define SNDRV_GF1_DMA_TRIGGER 1
+
+/* --- */
+
+struct _snd_gus_card;
+typedef struct _snd_gus_card snd_gus_card_t;
+
+/* GF1 specific structure */
+
+typedef struct _snd_gf1_bank_info {
+ unsigned int address;
+ unsigned int size;
+} snd_gf1_bank_info_t;
+
+typedef struct _snd_gf1_mem_block {
+ unsigned short flags; /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */
+ unsigned short owner; /* owner - SNDRV_GF1_MEM_OWNER_XXXX */
+ unsigned int share; /* share count */
+ unsigned int share_id[4]; /* share ID */
+ unsigned int ptr;
+ unsigned int size;
+ char *name;
+ struct _snd_gf1_mem_block *next;
+ struct _snd_gf1_mem_block *prev;
+} snd_gf1_mem_block_t;
+
+typedef struct _snd_gf1_mem {
+ snd_gf1_bank_info_t banks_8[4];
+ snd_gf1_bank_info_t banks_16[4];
+ snd_gf1_mem_block_t *first;
+ snd_gf1_mem_block_t *last;
+ struct semaphore memory_mutex;
+} snd_gf1_mem_t;
+
+typedef struct snd_gf1_dma_block {
+ void *buffer; /* buffer in computer's RAM */
+ unsigned long buf_addr; /* buffer address */
+ unsigned int addr; /* address in onboard memory */
+ unsigned int count; /* count in bytes */
+ unsigned int cmd; /* DMA command (format) */
+ void (*ack)(snd_gus_card_t * gus, void *private_data);
+ void *private_data;
+ struct snd_gf1_dma_block *next;
+} snd_gf1_dma_block_t;
+
+typedef struct {
+ snd_midi_channel_set_t * chset;
+ snd_gus_card_t * gus;
+ int mode; /* operation mode */
+ int client; /* sequencer client number */
+ int port; /* sequencer port number */
+ unsigned int midi_has_voices: 1;
+} snd_gus_port_t;
+
+typedef struct _snd_gus_voice snd_gus_voice_t;
+
+typedef struct {
+ void (*sample_start)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_position_t position);
+ void (*sample_stop)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_stop_mode_t mode);
+ void (*sample_freq)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_frequency_t freq);
+ void (*sample_volume)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_ev_volume_t *volume);
+ void (*sample_loop)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_ev_loop_t *loop);
+ void (*sample_pos)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_position_t position);
+ void (*sample_private1)(snd_gus_card_t *card, snd_gus_voice_t *voice, unsigned char *data);
+} snd_gus_sample_ops_t;
+
+#define SNDRV_GF1_VOICE_TYPE_PCM 0
+#define SNDRV_GF1_VOICE_TYPE_SYNTH 1
+#define SNDRV_GF1_VOICE_TYPE_MIDI 2
+
+#define SNDRV_GF1_VFLG_RUNNING (1<<0)
+#define SNDRV_GF1_VFLG_EFFECT_TIMER1 (1<<1)
+#define SNDRV_GF1_VFLG_PAN (1<<2)
+
+typedef enum {
+ VENV_BEFORE,
+ VENV_ATTACK,
+ VENV_SUSTAIN,
+ VENV_RELEASE,
+ VENV_DONE,
+ VENV_VOLUME
+} snd_gus_volume_state_t;
+
+struct _snd_gus_voice {
+ int number;
+ unsigned int use: 1,
+ pcm: 1,
+ synth:1,
+ midi: 1;
+ unsigned int flags;
+ unsigned char client;
+ unsigned char port;
+ unsigned char index;
+ unsigned char pad;
+
+#ifdef CONFIG_SND_DEBUG
+ unsigned int interrupt_stat_wave;
+ unsigned int interrupt_stat_volume;
+#endif
+ void (*handler_wave) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
+ void (*handler_volume) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
+ void (*handler_effect) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
+ void (*volume_change) (snd_gus_card_t * gus);
+
+ snd_gus_sample_ops_t *sample_ops;
+
+ snd_seq_instr_t instr;
+
+ /* running status / registers */
+
+ snd_seq_ev_volume_t sample_volume;
+
+ unsigned short fc_register;
+ unsigned short fc_lfo;
+ unsigned short gf1_volume;
+ unsigned char control;
+ unsigned char mode;
+ unsigned char gf1_pan;
+ unsigned char effect_accumulator;
+ unsigned char volume_control;
+ unsigned char venv_value_next;
+ snd_gus_volume_state_t venv_state;
+ snd_gus_volume_state_t venv_state_prev;
+ unsigned short vlo;
+ unsigned short vro;
+ unsigned short gf1_effect_volume;
+
+ /* --- */
+
+ void *private_data;
+ void (*private_free)(snd_gus_voice_t *voice);
+};
+
+struct _snd_gf1 {
+
+ unsigned int enh_mode:1, /* enhanced mode (GFA1) */
+ hw_lfo:1, /* use hardware LFO */
+ sw_lfo:1, /* use software LFO */
+ effect:1; /* use effect voices */
+
+ unsigned long port; /* port of GF1 chip */
+ struct resource *res_port1;
+ struct resource *res_port2;
+ int irq; /* IRQ number */
+ int dma1; /* DMA1 number */
+ int dma2; /* DMA2 number */
+ unsigned int memory; /* GUS's DRAM size in bytes */
+ unsigned int rom_memory; /* GUS's ROM size in bytes */
+ unsigned int rom_present; /* bitmask */
+ unsigned int rom_banks; /* GUS's ROM banks */
+
+ snd_gf1_mem_t mem_alloc;
+
+ /* registers */
+ unsigned short reg_page;
+ unsigned short reg_regsel;
+ unsigned short reg_data8;
+ unsigned short reg_data16;
+ unsigned short reg_irqstat;
+ unsigned short reg_dram;
+ unsigned short reg_timerctrl;
+ unsigned short reg_timerdata;
+ unsigned char ics_regs[6][2];
+ /* --------- */
+
+ unsigned char active_voices; /* active voices */
+ unsigned char active_voice; /* selected voice (GF1PAGE register) */
+
+ snd_gus_voice_t voices[32]; /* GF1 voices */
+
+ unsigned int default_voice_address;
+
+ unsigned short playback_freq; /* GF1 playback (mixing) frequency */
+ unsigned short mode; /* see to SNDRV_GF1_MODE_XXXX */
+ unsigned char volume_ramp;
+ unsigned char smooth_pan;
+ unsigned char full_range_pan;
+ unsigned char pad0;
+
+ unsigned char *lfos;
+
+ /* interrupt handlers */
+
+ void (*interrupt_handler_midi_out) (snd_gus_card_t * gus);
+ void (*interrupt_handler_midi_in) (snd_gus_card_t * gus);
+ void (*interrupt_handler_timer1) (snd_gus_card_t * gus);
+ void (*interrupt_handler_timer2) (snd_gus_card_t * gus);
+ void (*interrupt_handler_dma_write) (snd_gus_card_t * gus);
+ void (*interrupt_handler_dma_read) (snd_gus_card_t * gus);
+
+#ifdef CONFIG_SND_DEBUG
+ unsigned int interrupt_stat_midi_out;
+ unsigned int interrupt_stat_midi_in;
+ unsigned int interrupt_stat_timer1;
+ unsigned int interrupt_stat_timer2;
+ unsigned int interrupt_stat_dma_write;
+ unsigned int interrupt_stat_dma_read;
+ unsigned int interrupt_stat_voice_lost;
+#endif
+
+ /* synthesizer */
+
+ int seq_client;
+ snd_gus_port_t seq_ports[4];
+ snd_seq_kinstr_list_t *ilist;
+ snd_iwffff_ops_t iwffff_ops;
+ snd_gf1_ops_t gf1_ops;
+ snd_simple_ops_t simple_ops;
+
+ /* timer */
+
+ unsigned short timer_enabled;
+ snd_timer_t *timer1;
+ snd_timer_t *timer2;
+
+ /* midi */
+
+ unsigned short uart_cmd;
+ unsigned int uart_framing;
+ unsigned int uart_overrun;
+
+ /* dma operations */
+
+ unsigned int dma_flags;
+ unsigned int dma_shared;
+ snd_gf1_dma_block_t *dma_data_pcm;
+ snd_gf1_dma_block_t *dma_data_pcm_last;
+ snd_gf1_dma_block_t *dma_data_synth;
+ snd_gf1_dma_block_t *dma_data_synth_last;
+ void (*dma_ack)(snd_gus_card_t * gus, void *private_data);
+ void *dma_private_data;
+
+ /* pcm */
+ int pcm_channels;
+ int pcm_alloc_voices;
+ unsigned short pcm_volume_level_left;
+ unsigned short pcm_volume_level_right;
+ unsigned short pcm_volume_level_left1;
+ unsigned short pcm_volume_level_right1;
+
+ unsigned char pcm_rcntrl_reg;
+ unsigned char pad_end;
+};
+
+/* main structure for GUS card */
+
+struct _snd_gus_card {
+ snd_card_t *card;
+
+ unsigned int
+ initialized: 1, /* resources were initialized */
+ equal_irq:1, /* GF1 and CODEC shares IRQ (GUS MAX only) */
+ equal_dma:1, /* if dma channels are equal (not valid for daughter board) */
+ ics_flag:1, /* have we ICS mixer chip */
+ ics_flipped:1, /* ICS mixer have flipped some channels? */
+ codec_flag:1, /* have we CODEC chip? */
+ max_flag:1, /* have we GUS MAX card? */
+ max_ctrl_flag:1, /* have we original GUS MAX card? */
+ daughter_flag:1, /* have we daughter board? */
+ interwave:1, /* hey - we have InterWave card */
+ ess_flag:1, /* ESS chip found... GUS Extreme */
+ ace_flag:1, /* GUS ACE detected */
+ uart_enable:1; /* enable MIDI UART */
+ unsigned short revision; /* revision of chip */
+ unsigned short max_cntrl_val; /* GUS MAX control value */
+ unsigned short mix_cntrl_reg; /* mixer control register */
+ unsigned short joystick_dac; /* joystick DAC level */
+ int timer_dev; /* timer device */
+
+ struct _snd_gf1 gf1; /* gf1 specific variables */
+ snd_pcm_t *pcm;
+ snd_pcm_substream_t *pcm_cap_substream;
+ unsigned int c_dma_size;
+ unsigned int c_period_size;
+ unsigned int c_pos;
+
+ snd_rawmidi_t *midi_uart;
+ snd_rawmidi_substream_t *midi_substream_output;
+ snd_rawmidi_substream_t *midi_substream_input;
+
+ snd_seq_device_t *seq_dev;
+
+ spinlock_t reg_lock;
+ spinlock_t voice_alloc;
+ spinlock_t active_voice_lock;
+ spinlock_t event_lock;
+ spinlock_t dma_lock;
+ spinlock_t pcm_volume_level_lock;
+ spinlock_t uart_cmd_lock;
+ struct semaphore dma_mutex;
+ struct semaphore register_mutex;
+};
+
+/* I/O functions for GF1/InterWave chip - gus_io.c */
+
+static inline void snd_gf1_select_voice(snd_gus_card_t * gus, int voice)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&gus->active_voice_lock, flags);
+ if (voice != gus->gf1.active_voice) {
+ gus->gf1.active_voice = voice;
+ outb(voice, GUSP(gus, GF1PAGE));
+ }
+ spin_unlock_irqrestore(&gus->active_voice_lock, flags);
+}
+
+static inline void snd_gf1_uart_cmd(snd_gus_card_t * gus, unsigned char b)
+{
+ outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));
+}
+
+static inline unsigned char snd_gf1_uart_stat(snd_gus_card_t * gus)
+{
+ return inb(GUSP(gus, MIDISTAT));
+}
+
+static inline void snd_gf1_uart_put(snd_gus_card_t * gus, unsigned char b)
+{
+ outb(b, GUSP(gus, MIDIDATA));
+}
+
+static inline unsigned char snd_gf1_uart_get(snd_gus_card_t * gus)
+{
+ return inb(GUSP(gus, MIDIDATA));
+}
+
+extern void snd_gf1_delay(snd_gus_card_t * gus);
+
+extern void snd_gf1_ctrl_stop(snd_gus_card_t * gus, unsigned char reg);
+
+extern void snd_gf1_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
+extern unsigned char snd_gf1_look8(snd_gus_card_t * gus, unsigned char reg);
+extern inline unsigned char snd_gf1_read8(snd_gus_card_t * gus, unsigned char reg)
+{
+ return snd_gf1_look8(gus, reg | 0x80);
+}
+extern void snd_gf1_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data);
+extern unsigned short snd_gf1_look16(snd_gus_card_t * gus, unsigned char reg);
+extern inline unsigned short snd_gf1_read16(snd_gus_card_t * gus, unsigned char reg)
+{
+ return snd_gf1_look16(gus, reg | 0x80);
+}
+extern void snd_gf1_adlib_write(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
+extern void snd_gf1_dram_addr(snd_gus_card_t * gus, unsigned int addr);
+extern void snd_gf1_poke(snd_gus_card_t * gus, unsigned int addr, unsigned char data);
+extern unsigned char snd_gf1_peek(snd_gus_card_t * gus, unsigned int addr);
+extern void snd_gf1_pokew(snd_gus_card_t * gus, unsigned int addr, unsigned short data);
+extern unsigned short snd_gf1_peekw(snd_gus_card_t * gus, unsigned int addr);
+extern void snd_gf1_dram_setmem(snd_gus_card_t * gus, unsigned int addr, unsigned short value, unsigned int count);
+extern void snd_gf1_write_addr(snd_gus_card_t * gus, unsigned char reg, unsigned int addr, short w_16bit);
+extern unsigned int snd_gf1_read_addr(snd_gus_card_t * gus, unsigned char reg, short w_16bit);
+extern void snd_gf1_i_ctrl_stop(snd_gus_card_t * gus, unsigned char reg);
+extern void snd_gf1_i_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
+extern unsigned char snd_gf1_i_look8(snd_gus_card_t * gus, unsigned char reg);
+extern void snd_gf1_i_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data);
+extern inline unsigned char snd_gf1_i_read8(snd_gus_card_t * gus, unsigned char reg)
+{
+ return snd_gf1_i_look8(gus, reg | 0x80);
+}
+extern unsigned short snd_gf1_i_look16(snd_gus_card_t * gus, unsigned char reg);
+extern inline unsigned short snd_gf1_i_read16(snd_gus_card_t * gus, unsigned char reg)
+{
+ return snd_gf1_i_look16(gus, reg | 0x80);
+}
+extern void snd_gf1_i_adlib_write(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
+extern void snd_gf1_i_write_addr(snd_gus_card_t * gus, unsigned char reg, unsigned int addr, short w_16bit);
+extern unsigned int snd_gf1_i_read_addr(snd_gus_card_t * gus, unsigned char reg, short w_16bit);
+
+extern void snd_gf1_select_active_voices(snd_gus_card_t * gus);
+
+/* gus_lfo.c */
+
+struct _SND_IW_LFO_PROGRAM {
+ unsigned short freq_and_control;
+ unsigned char depth_final;
+ unsigned char depth_inc;
+ unsigned short twave;
+ unsigned short depth;
+};
+
+#if 0
+extern irqreturn_t snd_gf1_lfo_effect_interrupt(snd_gus_card_t * gus, snd_gf1_voice_t * voice);
+#endif
+extern void snd_gf1_lfo_init(snd_gus_card_t * gus);
+extern void snd_gf1_lfo_done(snd_gus_card_t * gus);
+extern void snd_gf1_lfo_program(snd_gus_card_t * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);
+extern void snd_gf1_lfo_enable(snd_gus_card_t * gus, int voice, int lfo_type);
+extern void snd_gf1_lfo_disable(snd_gus_card_t * gus, int voice, int lfo_type);
+extern void snd_gf1_lfo_change_freq(snd_gus_card_t * gus, int voice, int lfo_type, int freq);
+extern void snd_gf1_lfo_change_depth(snd_gus_card_t * gus, int voice, int lfo_type, int depth);
+extern void snd_gf1_lfo_setup(snd_gus_card_t * gus, int voice, int lfo_type, int freq, int current_depth, int depth, int sweep, int shape);
+extern void snd_gf1_lfo_shutdown(snd_gus_card_t * gus, int voice, int lfo_type);
+#if 0
+extern void snd_gf1_lfo_command(snd_gus_card_t * gus, int voice, unsigned char *command);
+#endif
+
+/* gus_mem.c */
+
+void snd_gf1_mem_lock(snd_gf1_mem_t * alloc, int xup);
+int snd_gf1_mem_xfree(snd_gf1_mem_t * alloc, snd_gf1_mem_block_t * block);
+snd_gf1_mem_block_t *snd_gf1_mem_look(snd_gf1_mem_t * alloc,
+ unsigned int address);
+snd_gf1_mem_block_t *snd_gf1_mem_share(snd_gf1_mem_t * alloc,
+ unsigned int *share_id);
+snd_gf1_mem_block_t *snd_gf1_mem_alloc(snd_gf1_mem_t * alloc, int owner,
+ char *name, int size, int w_16,
+ int align, unsigned int *share_id);
+int snd_gf1_mem_free(snd_gf1_mem_t * alloc, unsigned int address);
+int snd_gf1_mem_free_owner(snd_gf1_mem_t * alloc, int owner);
+int snd_gf1_mem_init(snd_gus_card_t * gus);
+int snd_gf1_mem_done(snd_gus_card_t * gus);
+
+/* gus_mem_proc.c */
+
+int snd_gf1_mem_proc_init(snd_gus_card_t * gus);
+
+/* gus_dma.c */
+
+int snd_gf1_dma_init(snd_gus_card_t * gus);
+int snd_gf1_dma_done(snd_gus_card_t * gus);
+int snd_gf1_dma_transfer_block(snd_gus_card_t * gus,
+ snd_gf1_dma_block_t * block,
+ int atomic,
+ int synth);
+
+/* gus_volume.c */
+
+unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);
+unsigned int snd_gf1_gvol_to_lvol_raw(unsigned short gf1_vol);
+unsigned int snd_gf1_calc_ramp_rate(snd_gus_card_t * gus,
+ unsigned short start,
+ unsigned short end,
+ unsigned int us);
+unsigned short snd_gf1_translate_freq(snd_gus_card_t * gus, unsigned int freq2);
+unsigned short snd_gf1_compute_pitchbend(unsigned short pitchbend, unsigned short sens);
+unsigned short snd_gf1_compute_freq(unsigned int freq,
+ unsigned int rate,
+ unsigned short mix_rate);
+
+/* gus_reset.c */
+
+void snd_gf1_set_default_handlers(snd_gus_card_t * gus, unsigned int what);
+void snd_gf1_smart_stop_voice(snd_gus_card_t * gus, unsigned short voice);
+void snd_gf1_stop_voice(snd_gus_card_t * gus, unsigned short voice);
+void snd_gf1_clear_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max);
+void snd_gf1_stop_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max);
+snd_gus_voice_t *snd_gf1_alloc_voice(snd_gus_card_t * gus, int type, int client, int port);
+void snd_gf1_free_voice(snd_gus_card_t * gus, snd_gus_voice_t *voice);
+int snd_gf1_start(snd_gus_card_t * gus);
+int snd_gf1_stop(snd_gus_card_t * gus);
+
+/* gus_mixer.c */
+
+int snd_gf1_new_mixer(snd_gus_card_t * gus);
+
+/* gus_pcm.c */
+
+int snd_gf1_pcm_new(snd_gus_card_t * gus, int pcm_dev, int control_index, snd_pcm_t ** rpcm);
+
+#ifdef CONFIG_SND_DEBUG
+extern void snd_gf1_print_voice_registers(snd_gus_card_t * gus);
+extern void snd_gf1_print_global_registers(snd_gus_card_t * gus);
+extern void snd_gf1_print_setup_registers(snd_gus_card_t * gus);
+extern void snd_gf1_peek_print_block(snd_gus_card_t * gus, unsigned int addr, int count, int w_16bit);
+#endif
+
+/* gus.c */
+
+int snd_gus_use_inc(snd_gus_card_t * gus);
+void snd_gus_use_dec(snd_gus_card_t * gus);
+int snd_gus_create(snd_card_t * card,
+ unsigned long port,
+ int irq, int dma1, int dma2,
+ int timer_dev,
+ int voices,
+ int pcm_channels,
+ int effect,
+ snd_gus_card_t ** rgus);
+int snd_gus_initialize(snd_gus_card_t * gus);
+
+/* gus_irq.c */
+
+irqreturn_t snd_gus_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+#ifdef CONFIG_SND_DEBUG
+void snd_gus_irq_profile_init(snd_gus_card_t *gus);
+#endif
+
+/* gus_uart.c */
+
+int snd_gf1_rawmidi_new(snd_gus_card_t * gus, int device, snd_rawmidi_t **rrawmidi);
+
+#if 0
+extern void snd_engine_instrument_register(unsigned short mode,
+ struct _SND_INSTRUMENT_VOICE_COMMANDS *voice_cmds,
+ struct _SND_INSTRUMENT_NOTE_COMMANDS *note_cmds,
+ struct _SND_INSTRUMENT_CHANNEL_COMMANDS *channel_cmds);
+extern int snd_engine_instrument_register_ask(unsigned short mode);
+#endif
+
+/* gus_dram.c */
+int snd_gus_dram_write(snd_gus_card_t *gus, char __user *ptr,
+ unsigned int addr, unsigned int size);
+int snd_gus_dram_read(snd_gus_card_t *gus, char __user *ptr,
+ unsigned int addr, unsigned int size, int rom);
+
+#if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
+
+/* gus_sample.c */
+void snd_gus_sample_event(snd_seq_event_t *ev, snd_gus_port_t *p);
+
+/* gus_simple.c */
+void snd_gf1_simple_init(snd_gus_voice_t *voice);
+
+/* gus_instr.c */
+int snd_gus_iwffff_put_sample(void *private_data, iwffff_wave_t *wave,
+ char __user *data, long len, int atomic);
+int snd_gus_iwffff_get_sample(void *private_data, iwffff_wave_t *wave,
+ char __user *data, long len, int atomic);
+int snd_gus_iwffff_remove_sample(void *private_data, iwffff_wave_t *wave,
+ int atomic);
+int snd_gus_gf1_put_sample(void *private_data, gf1_wave_t *wave,
+ char __user *data, long len, int atomic);
+int snd_gus_gf1_get_sample(void *private_data, gf1_wave_t *wave,
+ char __user *data, long len, int atomic);
+int snd_gus_gf1_remove_sample(void *private_data, gf1_wave_t *wave,
+ int atomic);
+int snd_gus_simple_put_sample(void *private_data, simple_instrument_t *instr,
+ char __user *data, long len, int atomic);
+int snd_gus_simple_get_sample(void *private_data, simple_instrument_t *instr,
+ char __user *data, long len, int atomic);
+int snd_gus_simple_remove_sample(void *private_data, simple_instrument_t *instr,
+ int atomic);
+
+#endif /* CONFIG_SND_SEQUENCER */
+
+#endif /* __SOUND_GUS_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 02:00:56 +0000