| |
| /* |
| * 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_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 *card; |
| struct snd_card_jazz16 *jazz16; |
| struct snd_sb *chip; |
| struct snd_opl3 *opl3; |
| static const int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1}; |
| static const int possible_dmas8[] = {1, 3, -1}; |
| static const 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 void snd_jazz16_remove(struct device *devptr, unsigned int dev) |
| { |
| struct snd_card *card = dev_get_drvdata(devptr); |
| |
| snd_card_free(card); |
| } |
| |
| #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_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" |
| }, |
| }; |
| |
| module_isa_driver(snd_jazz16_driver, SNDRV_CARDS); |