402 строки
10 KiB
C
402 строки
10 KiB
C
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/*
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* jazz16.c - driver for Media Vision Jazz16 based soundcards.
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* Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl>
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* Based on patches posted by Rask Ingemann Lambertsen and Rene Herman.
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* Based on OSS Sound Blaster driver.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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*
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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#include <asm/dma.h>
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#include <linux/isa.h>
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#include <sound/core.h>
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#include <sound/mpu401.h>
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#include <sound/opl3.h>
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#include <sound/sb.h>
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#define SNDRV_LEGACY_FIND_FREE_IRQ
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#define SNDRV_LEGACY_FIND_FREE_DMA
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#include <sound/initval.h>
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#define PFX "jazz16: "
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MODULE_DESCRIPTION("Media Vision Jazz16");
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MODULE_SUPPORTED_DEVICE("{{Media Vision ??? },"
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"{RTL,RTL3000}}");
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MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
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MODULE_LICENSE("GPL");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
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static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
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static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
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static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
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static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
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static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
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static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard.");
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module_param_array(port, long, NULL, 0444);
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MODULE_PARM_DESC(port, "Port # for jazz16 driver.");
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module_param_array(mpu_port, long, NULL, 0444);
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MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");
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module_param_array(irq, int, NULL, 0444);
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MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");
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module_param_array(mpu_irq, int, NULL, 0444);
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MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");
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module_param_array(dma8, int, NULL, 0444);
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MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");
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module_param_array(dma16, int, NULL, 0444);
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MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver.");
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#define SB_JAZZ16_WAKEUP 0xaf
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#define SB_JAZZ16_SET_PORTS 0x50
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#define SB_DSP_GET_JAZZ_BRD_REV 0xfa
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#define SB_JAZZ16_SET_DMAINTR 0xfb
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#define SB_DSP_GET_JAZZ_MODEL 0xfe
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struct snd_card_jazz16 {
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struct snd_sb *chip;
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};
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static irqreturn_t jazz16_interrupt(int irq, void *chip)
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{
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return snd_sb8dsp_interrupt(chip);
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}
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static int jazz16_configure_ports(unsigned long port,
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unsigned long mpu_port, int idx)
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{
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unsigned char val;
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if (!request_region(0x201, 1, "jazz16 config")) {
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snd_printk(KERN_ERR "config port region is already in use.\n");
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return -EBUSY;
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}
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outb(SB_JAZZ16_WAKEUP - idx, 0x201);
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udelay(100);
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outb(SB_JAZZ16_SET_PORTS + idx, 0x201);
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udelay(100);
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val = port & 0x70;
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val |= (mpu_port & 0x30) >> 4;
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outb(val, 0x201);
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release_region(0x201, 1);
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return 0;
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}
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static int jazz16_detect_board(unsigned long port,
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unsigned long mpu_port)
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{
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int err;
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int val;
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struct snd_sb chip;
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if (!request_region(port, 0x10, "jazz16")) {
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snd_printk(KERN_ERR "I/O port region is already in use.\n");
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return -EBUSY;
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}
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/* just to call snd_sbdsp_command/reset/get_byte() */
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chip.port = port;
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err = snd_sbdsp_reset(&chip);
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if (err < 0)
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for (val = 0; val < 4; val++) {
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err = jazz16_configure_ports(port, mpu_port, val);
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if (err < 0)
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break;
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err = snd_sbdsp_reset(&chip);
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if (!err)
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break;
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}
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if (err < 0) {
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err = -ENODEV;
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goto err_unmap;
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}
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if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {
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err = -EBUSY;
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goto err_unmap;
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}
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val = snd_sbdsp_get_byte(&chip);
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if (val >= 0x30)
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snd_sbdsp_get_byte(&chip);
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if ((val & 0xf0) != 0x10) {
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err = -ENODEV;
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goto err_unmap;
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}
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if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {
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err = -EBUSY;
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goto err_unmap;
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}
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snd_sbdsp_get_byte(&chip);
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err = snd_sbdsp_get_byte(&chip);
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snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",
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val, err);
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err = 0;
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err_unmap:
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release_region(port, 0x10);
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return err;
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}
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static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
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{
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static unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
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0, 2, 5, 0, 0, 0, 0, 6 };
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static unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };
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if (jazz_dma_bits[chip->dma8] == 0 ||
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jazz_dma_bits[chip->dma16] == 0 ||
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jazz_irq_bits[chip->irq] == 0)
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return -EINVAL;
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if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))
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return -EBUSY;
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if (!snd_sbdsp_command(chip,
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jazz_dma_bits[chip->dma8] |
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(jazz_dma_bits[chip->dma16] << 4)))
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return -EBUSY;
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if (!snd_sbdsp_command(chip,
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jazz_irq_bits[chip->irq] |
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(jazz_irq_bits[mpu_irq] << 4)))
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return -EBUSY;
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return 0;
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}
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static int snd_jazz16_match(struct device *devptr, unsigned int dev)
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{
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if (!enable[dev])
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return 0;
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if (port[dev] == SNDRV_AUTO_PORT) {
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snd_printk(KERN_ERR "please specify port\n");
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return 0;
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} else if (port[dev] == 0x200 || (port[dev] & ~0x270)) {
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snd_printk(KERN_ERR "incorrect port specified\n");
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return 0;
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}
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if (dma8[dev] != SNDRV_AUTO_DMA &&
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dma8[dev] != 1 && dma8[dev] != 3) {
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snd_printk(KERN_ERR "dma8 must be 1 or 3\n");
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return 0;
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}
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if (dma16[dev] != SNDRV_AUTO_DMA &&
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dma16[dev] != 5 && dma16[dev] != 7) {
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snd_printk(KERN_ERR "dma16 must be 5 or 7\n");
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return 0;
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}
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if (mpu_port[dev] != SNDRV_AUTO_PORT &&
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(mpu_port[dev] & ~0x030) != 0x300) {
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snd_printk(KERN_ERR "incorrect mpu_port specified\n");
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return 0;
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}
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if (mpu_irq[dev] != SNDRV_AUTO_DMA &&
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mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&
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mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {
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snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n");
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return 0;
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}
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return 1;
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}
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static int snd_jazz16_probe(struct device *devptr, unsigned int dev)
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{
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struct snd_card *card;
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struct snd_card_jazz16 *jazz16;
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struct snd_sb *chip;
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struct snd_opl3 *opl3;
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static int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
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static int possible_dmas8[] = {1, 3, -1};
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static int possible_dmas16[] = {5, 7, -1};
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int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;
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err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
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sizeof(struct snd_card_jazz16), &card);
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if (err < 0)
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return err;
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jazz16 = card->private_data;
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xirq = irq[dev];
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if (xirq == SNDRV_AUTO_IRQ) {
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xirq = snd_legacy_find_free_irq(possible_irqs);
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if (xirq < 0) {
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snd_printk(KERN_ERR "unable to find a free IRQ\n");
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err = -EBUSY;
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goto err_free;
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}
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}
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xdma8 = dma8[dev];
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if (xdma8 == SNDRV_AUTO_DMA) {
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xdma8 = snd_legacy_find_free_dma(possible_dmas8);
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if (xdma8 < 0) {
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snd_printk(KERN_ERR "unable to find a free DMA8\n");
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err = -EBUSY;
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goto err_free;
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}
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}
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xdma16 = dma16[dev];
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if (xdma16 == SNDRV_AUTO_DMA) {
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xdma16 = snd_legacy_find_free_dma(possible_dmas16);
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if (xdma16 < 0) {
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snd_printk(KERN_ERR "unable to find a free DMA16\n");
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err = -EBUSY;
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goto err_free;
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}
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}
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xmpu_port = mpu_port[dev];
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if (xmpu_port == SNDRV_AUTO_PORT)
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xmpu_port = 0;
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err = jazz16_detect_board(port[dev], xmpu_port);
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if (err < 0) {
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printk(KERN_ERR "Media Vision Jazz16 board not detected\n");
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goto err_free;
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}
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err = snd_sbdsp_create(card, port[dev], irq[dev],
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jazz16_interrupt,
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dma8[dev], dma16[dev],
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SB_HW_JAZZ16,
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&chip);
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if (err < 0)
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goto err_free;
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xmpu_irq = mpu_irq[dev];
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if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT)
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xmpu_irq = 0;
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err = jazz16_configure_board(chip, xmpu_irq);
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if (err < 0) {
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printk(KERN_ERR "Media Vision Jazz16 configuration failed\n");
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goto err_free;
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}
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jazz16->chip = chip;
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strcpy(card->driver, "jazz16");
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strcpy(card->shortname, "Media Vision Jazz16");
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sprintf(card->longname,
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"Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",
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port[dev], xirq, xdma8, xdma16);
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err = snd_sb8dsp_pcm(chip, 0, NULL);
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if (err < 0)
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goto err_free;
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err = snd_sbmixer_new(chip);
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if (err < 0)
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goto err_free;
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err = snd_opl3_create(card, chip->port, chip->port + 2,
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OPL3_HW_AUTO, 1, &opl3);
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if (err < 0)
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snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
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chip->port, chip->port + 2);
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else {
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err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
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if (err < 0)
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goto err_free;
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}
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if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
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if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
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mpu_irq[dev] = -1;
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if (snd_mpu401_uart_new(card, 0,
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MPU401_HW_MPU401,
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mpu_port[dev], 0,
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mpu_irq[dev],
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NULL) < 0)
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snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n",
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mpu_port[dev]);
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}
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err = snd_card_register(card);
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if (err < 0)
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goto err_free;
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dev_set_drvdata(devptr, card);
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return 0;
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err_free:
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snd_card_free(card);
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return err;
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}
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static int snd_jazz16_remove(struct device *devptr, unsigned int dev)
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{
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struct snd_card *card = dev_get_drvdata(devptr);
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snd_card_free(card);
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return 0;
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}
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#ifdef CONFIG_PM
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static int snd_jazz16_suspend(struct device *pdev, unsigned int n,
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pm_message_t state)
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{
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struct snd_card *card = dev_get_drvdata(pdev);
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struct snd_card_jazz16 *acard = card->private_data;
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struct snd_sb *chip = acard->chip;
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snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
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snd_pcm_suspend_all(chip->pcm);
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snd_sbmixer_suspend(chip);
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return 0;
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}
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static int snd_jazz16_resume(struct device *pdev, unsigned int n)
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{
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struct snd_card *card = dev_get_drvdata(pdev);
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struct snd_card_jazz16 *acard = card->private_data;
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struct snd_sb *chip = acard->chip;
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snd_sbdsp_reset(chip);
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snd_sbmixer_resume(chip);
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snd_power_change_state(card, SNDRV_CTL_POWER_D0);
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return 0;
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}
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#endif
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static struct isa_driver snd_jazz16_driver = {
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.match = snd_jazz16_match,
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.probe = snd_jazz16_probe,
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.remove = snd_jazz16_remove,
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#ifdef CONFIG_PM
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.suspend = snd_jazz16_suspend,
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.resume = snd_jazz16_resume,
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#endif
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.driver = {
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.name = "jazz16"
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},
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};
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static int __init alsa_card_jazz16_init(void)
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{
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return isa_register_driver(&snd_jazz16_driver, SNDRV_CARDS);
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}
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static void __exit alsa_card_jazz16_exit(void)
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{
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isa_unregister_driver(&snd_jazz16_driver);
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}
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module_init(alsa_card_jazz16_init)
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module_exit(alsa_card_jazz16_exit)
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