mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
df7e3fdf83
Added MPU401_INFO_NO_ACK bitflag to ignore the ACK check for UART commands. VT172x doesn't handle ACK commands, for example. Tested-by: Pavel Hofman <pavel.hofman@insite.cz> Signed-off-by: Takashi Iwai <tiwai@suse.de>
138 lines
4.4 KiB
C
138 lines
4.4 KiB
C
#ifndef __SOUND_MPU401_H
|
|
#define __SOUND_MPU401_H
|
|
|
|
/*
|
|
* Header file for MPU-401 and compatible cards
|
|
* Copyright (c) by Jaroslav Kysela <perex@perex.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 "rawmidi.h"
|
|
#include <linux/interrupt.h>
|
|
|
|
#define MPU401_HW_MPU401 1 /* native MPU401 */
|
|
#define MPU401_HW_SB 2 /* SoundBlaster MPU-401 UART */
|
|
#define MPU401_HW_ES1688 3 /* AudioDrive ES1688 MPU-401 UART */
|
|
#define MPU401_HW_OPL3SA2 4 /* Yamaha OPL3-SA2 */
|
|
#define MPU401_HW_SONICVIBES 5 /* S3 SonicVibes */
|
|
#define MPU401_HW_CS4232 6 /* CS4232 */
|
|
#define MPU401_HW_ES18XX 7 /* AudioDrive ES18XX MPU-401 UART */
|
|
#define MPU401_HW_FM801 8 /* ForteMedia FM801 */
|
|
#define MPU401_HW_TRID4DWAVE 9 /* Trident 4DWave */
|
|
#define MPU401_HW_AZT2320 10 /* Aztech AZT2320 */
|
|
#define MPU401_HW_ALS100 11 /* Avance Logic ALS100 */
|
|
#define MPU401_HW_ICE1712 12 /* Envy24 */
|
|
#define MPU401_HW_VIA686A 13 /* VIA 82C686A */
|
|
#define MPU401_HW_YMFPCI 14 /* YMF DS-XG PCI */
|
|
#define MPU401_HW_CMIPCI 15 /* CMIPCI MPU-401 UART */
|
|
#define MPU401_HW_ALS4000 16 /* Avance Logic ALS4000 */
|
|
#define MPU401_HW_INTEL8X0 17 /* Intel8x0 driver */
|
|
#define MPU401_HW_PC98II 18 /* Roland PC98II */
|
|
#define MPU401_HW_AUREAL 19 /* Aureal Vortex */
|
|
|
|
#define MPU401_INFO_INPUT (1 << 0) /* input stream */
|
|
#define MPU401_INFO_OUTPUT (1 << 1) /* output stream */
|
|
#define MPU401_INFO_INTEGRATED (1 << 2) /* integrated h/w port */
|
|
#define MPU401_INFO_MMIO (1 << 3) /* MMIO access */
|
|
#define MPU401_INFO_TX_IRQ (1 << 4) /* independent TX irq */
|
|
#define MPU401_INFO_NO_ACK (1 << 6) /* No ACK cmd needed */
|
|
|
|
#define MPU401_MODE_BIT_INPUT 0
|
|
#define MPU401_MODE_BIT_OUTPUT 1
|
|
#define MPU401_MODE_BIT_INPUT_TRIGGER 2
|
|
#define MPU401_MODE_BIT_OUTPUT_TRIGGER 3
|
|
|
|
#define MPU401_MODE_INPUT (1<<MPU401_MODE_BIT_INPUT)
|
|
#define MPU401_MODE_OUTPUT (1<<MPU401_MODE_BIT_OUTPUT)
|
|
#define MPU401_MODE_INPUT_TRIGGER (1<<MPU401_MODE_BIT_INPUT_TRIGGER)
|
|
#define MPU401_MODE_OUTPUT_TRIGGER (1<<MPU401_MODE_BIT_OUTPUT_TRIGGER)
|
|
|
|
#define MPU401_MODE_INPUT_TIMER (1<<0)
|
|
#define MPU401_MODE_OUTPUT_TIMER (1<<1)
|
|
|
|
struct snd_mpu401 {
|
|
struct snd_rawmidi *rmidi;
|
|
|
|
unsigned short hardware; /* MPU401_HW_XXXX */
|
|
unsigned int info_flags; /* MPU401_INFO_XXX */
|
|
unsigned long port; /* base port of MPU-401 chip */
|
|
unsigned long cport; /* port + 1 (usually) */
|
|
struct resource *res; /* port resource */
|
|
int irq; /* IRQ number of MPU-401 chip (-1 = poll) */
|
|
int irq_flags;
|
|
|
|
unsigned long mode; /* MPU401_MODE_XXXX */
|
|
int timer_invoked;
|
|
|
|
int (*open_input) (struct snd_mpu401 * mpu);
|
|
void (*close_input) (struct snd_mpu401 * mpu);
|
|
int (*open_output) (struct snd_mpu401 * mpu);
|
|
void (*close_output) (struct snd_mpu401 * mpu);
|
|
void *private_data;
|
|
|
|
struct snd_rawmidi_substream *substream_input;
|
|
struct snd_rawmidi_substream *substream_output;
|
|
|
|
spinlock_t input_lock;
|
|
spinlock_t output_lock;
|
|
spinlock_t timer_lock;
|
|
|
|
struct timer_list timer;
|
|
|
|
void (*write) (struct snd_mpu401 * mpu, unsigned char data, unsigned long addr);
|
|
unsigned char (*read) (struct snd_mpu401 *mpu, unsigned long addr);
|
|
};
|
|
|
|
/* I/O ports */
|
|
|
|
#define MPU401C(mpu) (mpu)->cport
|
|
#define MPU401D(mpu) (mpu)->port
|
|
|
|
/*
|
|
* control register bits
|
|
*/
|
|
/* read MPU401C() */
|
|
#define MPU401_RX_EMPTY 0x80
|
|
#define MPU401_TX_FULL 0x40
|
|
|
|
/* write MPU401C() */
|
|
#define MPU401_RESET 0xff
|
|
#define MPU401_ENTER_UART 0x3f
|
|
|
|
/* read MPU401D() */
|
|
#define MPU401_ACK 0xfe
|
|
|
|
|
|
/*
|
|
|
|
*/
|
|
|
|
irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id);
|
|
irqreturn_t snd_mpu401_uart_interrupt_tx(int irq, void *dev_id);
|
|
|
|
int snd_mpu401_uart_new(struct snd_card *card,
|
|
int device,
|
|
unsigned short hardware,
|
|
unsigned long port,
|
|
unsigned int info_flags,
|
|
int irq,
|
|
int irq_flags,
|
|
struct snd_rawmidi ** rrawmidi);
|
|
|
|
#endif /* __SOUND_MPU401_H */
|