path: root/sound/isa/sscape.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *   Low-level ALSA driver for the ENSONIQ SoundScape
 *   Copyright (c) by Chris Rankin
 *
 *   This driver was written in part using information obtained from
 *   the OSS/Free SoundScape driver, written by Hannu Savolainen.
 */

#include <linux/init.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/isa.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/pnp.h>
#include <linux/spinlock.h>
#include <linux/module.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/wss.h>
#include <sound/mpu401.h>
#include <sound/initval.h>


MODULE_AUTHOR("Chris Rankin");
MODULE_DESCRIPTION("ENSONIQ SoundScape driver");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE("sndscape.co0");
MODULE_FIRMWARE("sndscape.co1");
MODULE_FIRMWARE("sndscape.co2");
MODULE_FIRMWARE("sndscape.co3");
MODULE_FIRMWARE("sndscape.co4");
MODULE_FIRMWARE("scope.cod");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
static bool joystick[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index number for SoundScape soundcard");

module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "Description for SoundScape card");

module_param_hw_array(port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for SoundScape driver.");

module_param_hw_array(wss_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(wss_port, "WSS Port # for SoundScape driver.");

module_param_hw_array(irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for SoundScape driver.");

module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU401 IRQ # for SoundScape driver.");

module_param_hw_array(dma, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma, "DMA # for SoundScape driver.");

module_param_hw_array(dma2, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for SoundScape driver.");

module_param_array(joystick, bool, NULL, 0444);
MODULE_PARM_DESC(joystick, "Enable gameport.");

#ifdef CONFIG_PNP
static int isa_registered;
static int pnp_registered;

static const struct pnp_card_device_id sscape_pnpids[] = {
	{ .id = "ENS3081", .devs = { { "ENS0000" } } }, /* Soundscape PnP */
	{ .id = "ENS4081", .devs = { { "ENS1011" } } },	/* VIVO90 */
	{ .id = "" }	/* end */
};

MODULE_DEVICE_TABLE(pnp_card, sscape_pnpids);
#endif


#define HOST_CTRL_IO(i)  ((i) + 2)
#define HOST_DATA_IO(i)  ((i) + 3)
#define ODIE_ADDR_IO(i)  ((i) + 4)
#define ODIE_DATA_IO(i)  ((i) + 5)
#define CODEC_IO(i)      ((i) + 8)

#define IC_ODIE  1
#define IC_OPUS  2

#define RX_READY 0x01
#define TX_READY 0x02

#define CMD_ACK			0x8