|  |  | 
|  | /* | 
|  | * 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 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" | 
|  | }, | 
|  | }; | 
|  |  | 
|  | module_isa_driver(snd_jazz16_driver, SNDRV_CARDS); |