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/*
* jazz16.c - driver for Media Vision Jazz16 based soundcards.
* Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl>
* Based on patches posted by Rask Ingemann Lambertsen and Rene Herman.
* Based on OSS Sound Blaster driver.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <asm/dma.h>
#include <linux/isa.h>
#include <sound/core.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#include <sound/sb.h>
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>
#define PFX "jazz16: "
MODULE_DESCRIPTION("Media Vision Jazz16");
MODULE_SUPPORTED_DEVICE("{{Media Vision ??? },"
"{RTL,RTL3000}}");
MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
MODULE_LICENSE("GPL");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
static unsigned long mpu_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 dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard.");
module_param_hw_array(port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for jazz16 driver.");
module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");
module_param_hw_array(irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");
module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");
module_param_hw_array(dma8, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");
module_param_hw_array(dma16, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver.");
#define SB_JAZZ16_WAKEUP 0xaf
#define SB_JAZZ16_SET_PORTS 0x50
#define SB_DSP_GET_JAZZ_BRD_REV 0xfa
#define SB_JAZZ16_SET_DMAINTR 0xfb
#define SB_DSP_GET_JAZZ_MODEL 0xfe
struct snd_card_jazz16 {
struct snd_sb *chip;
};
static irqreturn_t jazz16_interrupt(int irq, void *chip)
{
return snd_sb8dsp_interrupt(chip);
}
static int jazz16_configure_ports(unsigned long port,
unsigned long mpu_port, int idx)
{
unsigned char val;
if (!request_region(0x201, 1, "jazz16 config")) {
snd_printk(KERN_ERR "config port region is already in use.\n");
return -EBUSY;
}
outb(SB_JAZZ16_WAKEUP - idx, 0x201);
udelay(100);
outb(SB_JAZZ16_SET_PORTS + idx, 0x201);
udelay(100);
val = port & 0x70;
val |= (mpu_port & 0x30) >> 4;
outb(val, 0x201);
release_region(0x201, 1);
return 0;
}
static int jazz16_detect_board(unsigned long port,
unsigned long mpu_port)
{
int err;
int val;
struct snd_sb chip;
if (!request_region(port, 0x10, "jazz16")) {
snd_printk(KERN_ERR "I/O port region is already in use.\n");
return -EBUSY;
}
/* just to call snd_sbdsp_command/reset/get_byte() */
chip.port = port;
err = snd_sbdsp_reset(&chip);
if (err < 0)
for (val = 0; val < 4; val++) {
err = jazz16_configure_ports(port, mpu_port, val);
if (err < 0)
break;
err = snd_sbdsp_reset(&chip);
if (!err)
break;
}
if (err < 0) {
err = -ENODEV;
goto err_unmap;
}
if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {
err = -EBUSY;
goto err_unmap;
}
val = snd_sbdsp_get_byte(&chip);
if (val >= 0x30)
snd_sbdsp_get_byte(&chip);
if ((val & 0xf0) != 0x10) {
err = -ENODEV;
goto err_unmap;
}
if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {
err = -EBUSY;
goto err_unmap;
}
snd_sbdsp_get_byte(&chip);
err = snd_sbdsp_get_byte(&chip);
snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",
val, err);
err = 0;
err_unmap:
release_region(port, 0x10);
return err;
}
static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
{
static const unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
0, 2, 5, 0, 0, 0, 0, 6 };
static const unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };
if (jazz_dma_bits[chip->dma8] == 0 ||
jazz_dma_bits[chip->dma16] == 0 ||
jazz_irq_bits[chip->irq] == 0)
return -EINVAL;
if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))
return -EBUSY;
if (!snd_sbdsp_command(chip,
jazz_dma_bits[chip->dma8] |
(jazz_dma_bits[chip->dma16] << 4)))
return -EBUSY;
if (!snd_sbdsp_command(chip,
jazz_irq_bits[chip->irq] |
(jazz_irq_bits[mpu_irq] << 4)))
return -EBUSY;
return 0;
}
static int snd_jazz16_match(struct device *devptr, unsigned int dev)
{
if (!enable[dev])
return 0;
if (port[dev] == SNDRV_AUTO_PORT) {
snd_printk(KERN_ERR "please specify port\n");
return 0;
} else if (port[dev] == 0x200 || (port[dev] & ~0x270)) {
snd_printk(KERN_ERR "incorrect port specified\n");
return 0;
}
if (dma8[dev] != SNDRV_AUTO_DMA &&
dma8[dev] != 1 && dma8[dev] != 3) {
snd_printk(KERN_ERR "dma8 must be 1 or 3\n");
return 0;
}
if (dma16[dev] != SNDRV_AUTO_DMA &&
dma16[dev] != 5 && dma16[dev] != 7) {
snd_printk(KERN_ERR "dma16 must be 5 or 7\n");
return 0;
}
if (mpu_port[dev] != SNDRV_AUTO_PORT &&
(mpu_port[dev] & ~0x030) != 0x300) {
snd_printk(KERN_ERR "incorrect mpu_port specified\n");
return 0;
}
if (mpu_irq[dev] != SNDRV_AUTO_DMA &&
mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&
mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {
snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n");
return 0;
}
return 1;
}
static int snd_jazz16_probe(struct device *devptr, unsigned int dev)
{
struct snd_card *
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