--- /dev/null
+
+/*
+ * 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_array(port, long, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for jazz16 driver.");
+module_param_array(mpu_port, long, NULL, 0444);
+MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");
+module_param_array(irq, int, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");
+module_param_array(mpu_irq, int, NULL, 0444);
+MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");
+module_param_array(dma8, int, NULL, 0444);
+MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");
+module_param_array(dma16, int, 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 unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
+ 0, 2, 5, 0, 0, 0, 0, 6 };
+ static 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 *card;
+ struct snd_card_jazz16 *jazz16;
+ struct snd_sb *chip;
+ struct snd_opl3 *opl3;
+ static int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
+ static int possible_dmas8[] = {1, 3, -1};
+ static int possible_dmas16[] = {5, 7, -1};
+ int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;
+
+ err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_card_jazz16), &card);
+ if (err < 0)
+ return err;
+
+ jazz16 = card->private_data;
+
+ xirq = irq[dev];
+ if (xirq == SNDRV_AUTO_IRQ) {
+ xirq = snd_legacy_find_free_irq(possible_irqs);
+ if (xirq < 0) {
+ snd_printk(KERN_ERR "unable to find a free IRQ\n");
+ err = -EBUSY;
+ goto err_free;
+ }
+ }
+ xdma8 = dma8[dev];
+ if (xdma8 == SNDRV_AUTO_DMA) {
+ xdma8 = snd_legacy_find_free_dma(possible_dmas8);
+ if (xdma8 < 0) {
+ snd_printk(KERN_ERR "unable to find a free DMA8\n");
+ err = -EBUSY;
+ goto err_free;
+ }
+ }
+ xdma16 = dma16[dev];
+ if (xdma16 == SNDRV_AUTO_DMA) {
+ xdma16 = snd_legacy_find_free_dma(possible_dmas16);
+ if (xdma16 < 0) {
+ snd_printk(KERN_ERR "unable to find a free DMA16\n");
+ err = -EBUSY;
+ goto err_free;
+ }
+ }
+
+ xmpu_port = mpu_port[dev];
+ if (xmpu_port == SNDRV_AUTO_PORT)
+ xmpu_port = 0;
+ err = jazz16_detect_board(port[dev], xmpu_port);
+ if (err < 0) {
+ printk(KERN_ERR "Media Vision Jazz16 board not detected\n");
+ goto err_free;
+ }
+ err = snd_sbdsp_create(card, port[dev], irq[dev],
+ jazz16_interrupt,
+ dma8[dev], dma16[dev],
+ SB_HW_JAZZ16,
+ &chip);
+ if (err < 0)
+ goto err_free;
+
+ xmpu_irq = mpu_irq[dev];
+ if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT)
+ xmpu_irq = 0;
+ err = jazz16_configure_board(chip, xmpu_irq);
+ if (err < 0) {
+ printk(KERN_ERR "Media Vision Jazz16 configuration failed\n");
+ goto err_free;
+ }
+
+ jazz16->chip = chip;
+
+ strcpy(card->driver, "jazz16");
+ strcpy(card->shortname, "Media Vision Jazz16");
+ sprintf(card->longname,
+ "Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",
+ port[dev], xirq, xdma8, xdma16);
+
+ err = snd_sb8dsp_pcm(chip, 0);
+ if (err < 0)
+ goto err_free;
+ err = snd_sbmixer_new(chip);
+ if (err < 0)
+ goto err_free;
+
+ err = snd_opl3_create(card, chip->port, chip->port + 2,
+ OPL3_HW_AUTO, 1, &opl3);
+ if (err < 0)
+ snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
+ chip->port, chip->port + 2);
+ else {
+ err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
+ if (err < 0)
+ goto err_free;
+ }
+ if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
+ if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
+ mpu_irq[dev] = -1;
+
+ if (snd_mpu401_uart_new(card, 0,
+ MPU401_HW_MPU401,
+ mpu_port[dev], 0,
+ mpu_irq[dev],
+ NULL) < 0)
+ snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n",
+ mpu_port[dev]);
+ }
+
+ err = snd_card_register(card);
+ if (err < 0)
+ goto err_free;
+
+ dev_set_drvdata(devptr, card);
+ return 0;
+
+err_free:
+ snd_card_free(card);
+ return err;
+}
+
+static int snd_jazz16_remove(struct device *devptr, unsigned int dev)
+{
+ struct snd_card *card = dev_get_drvdata(devptr);
+
+ snd_card_free(card);
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int snd_jazz16_suspend(struct device *pdev, unsigned int n,
+ pm_message_t state)
+{
+ struct snd_card *card = dev_get_drvdata(pdev);
+ struct snd_card_jazz16 *acard = card->private_data;
+ struct snd_sb *chip = acard->chip;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+ snd_pcm_suspend_all(chip->pcm);
+ snd_sbmixer_suspend(chip);
+ return 0;
+}
+
+static int snd_jazz16_resume(struct device *pdev, unsigned int n)
+{
+ struct snd_card *card = dev_get_drvdata(pdev);
+ struct snd_card_jazz16 *acard = card->private_data;
+ struct snd_sb *chip = acard->chip;
+
+ snd_sbdsp_reset(chip);
+ snd_sbmixer_resume(chip);
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+#endif
+
+static struct isa_driver snd_jazz16_driver = {
+ .match = snd_jazz16_match,
+ .probe = snd_jazz16_probe,
+ .remove = snd_jazz16_remove,
+#ifdef CONFIG_PM
+ .suspend = snd_jazz16_suspend,
+ .resume = snd_jazz16_resume,
+#endif
+ .driver = {
+ .name = "jazz16"
+ },
+};
+
+static int __init alsa_card_jazz16_init(void)
+{
+ return isa_register_driver(&snd_jazz16_driver, SNDRV_CARDS);
+}
+
+static void __exit alsa_card_jazz16_exit(void)
+{
+ isa_unregister_driver(&snd_jazz16_driver);
+}
+
+module_init(alsa_card_jazz16_init)
+module_exit(alsa_card_jazz16_exit)
Code Review / kvmfornfv.git / blobdiff