diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/isa/sc6000.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/isa/sc6000.c | 728 |
1 files changed, 728 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/sound/isa/sc6000.c b/ANDROID_3.4.5/sound/isa/sc6000.c new file mode 100644 index 00000000..d97d0f38 --- /dev/null +++ b/ANDROID_3.4.5/sound/isa/sc6000.c @@ -0,0 +1,728 @@ +/* + * Driver for Gallant SC-6000 soundcard. This card is also known as + * Audio Excel DSP 16 or Zoltrix AV302. + * These cards use CompuMedia ASC-9308 chip + AD1848 codec. + * SC-6600 and SC-7000 cards are also supported. They are based on + * CompuMedia ASC-9408 chip and CS4231 codec. + * + * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl> + * + * I don't have documentation for this card. I used the driver + * for OSS/Free included in the kernel source as reference. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/isa.h> +#include <linux/io.h> +#include <asm/dma.h> +#include <sound/core.h> +#include <sound/wss.h> +#include <sound/opl3.h> +#include <sound/mpu401.h> +#include <sound/control.h> +#define SNDRV_LEGACY_FIND_FREE_IRQ +#define SNDRV_LEGACY_FIND_FREE_DMA +#include <sound/initval.h> + +MODULE_AUTHOR("Krzysztof Helt"); +MODULE_DESCRIPTION("Gallant SC-6000"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Gallant, SC-6000}," + "{AudioExcel, Audio Excel DSP 16}," + "{Zoltrix, AV302}}"); + +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 long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220, 0x240 */ +static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 11 */ +static long mss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530, 0xe80 */ +static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; + /* 0x300, 0x310, 0x320, 0x330 */ +static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 0 */ +static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0, 1, 3 */ +static bool joystick[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = false }; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard."); +module_param_array(port, long, NULL, 0444); +MODULE_PARM_DESC(port, "Port # for sc-6000 driver."); +module_param_array(mss_port, long, NULL, 0444); +MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver."); +module_param_array(mpu_port, long, NULL, 0444); +MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver."); +module_param_array(irq, int, NULL, 0444); +MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver."); +module_param_array(mpu_irq, int, NULL, 0444); +MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver."); +module_param_array(dma, int, NULL, 0444); +MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver."); +module_param_array(joystick, bool, NULL, 0444); +MODULE_PARM_DESC(joystick, "Enable gameport."); + +/* + * Commands of SC6000's DSP (SBPRO+special). + * Some of them are COMMAND_xx, in the future they may change. + */ +#define WRITE_MDIRQ_CFG 0x50 /* Set M&I&DRQ mask (the real config) */ +#define COMMAND_52 0x52 /* */ +#define READ_HARD_CFG 0x58 /* Read Hardware Config (I/O base etc) */ +#define COMMAND_5C 0x5c /* */ +#define COMMAND_60 0x60 /* */ +#define COMMAND_66 0x66 /* */ +#define COMMAND_6C 0x6c /* */ +#define COMMAND_6E 0x6e /* */ +#define COMMAND_88 0x88 /* Unknown command */ +#define DSP_INIT_MSS 0x8c /* Enable Microsoft Sound System mode */ +#define COMMAND_C5 0xc5 /* */ +#define GET_DSP_VERSION 0xe1 /* Get DSP Version */ +#define GET_DSP_COPYRIGHT 0xe3 /* Get DSP Copyright */ + +/* + * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port + * to have the actual I/O port. + * Register permissions are: + * (wo) == Write Only + * (ro) == Read Only + * (w-) == Write + * (r-) == Read + */ +#define DSP_RESET 0x06 /* offset of DSP RESET (wo) */ +#define DSP_READ 0x0a /* offset of DSP READ (ro) */ +#define DSP_WRITE 0x0c /* offset of DSP WRITE (w-) */ +#define DSP_COMMAND 0x0c /* offset of DSP COMMAND (w-) */ +#define DSP_STATUS 0x0c /* offset of DSP STATUS (r-) */ +#define DSP_DATAVAIL 0x0e /* offset of DSP DATA AVAILABLE (ro) */ + +#define PFX "sc6000: " +#define DRV_NAME "SC-6000" + +/* hardware dependent functions */ + +/* + * sc6000_irq_to_softcfg - Decode irq number into cfg code. + */ +static __devinit unsigned char sc6000_irq_to_softcfg(int irq) +{ + unsigned char val = 0; + + switch (irq) { + case 5: + val = 0x28; + break; + case 7: + val = 0x8; + break; + case 9: + val = 0x10; + break; + case 10: + val = 0x18; + break; + case 11: + val = 0x20; + break; + default: + break; + } + return val; +} + +/* + * sc6000_dma_to_softcfg - Decode dma number into cfg code. + */ +static __devinit unsigned char sc6000_dma_to_softcfg(int dma) +{ + unsigned char val = 0; + + switch (dma) { + case 0: + val = 1; + break; + case 1: + val = 2; + break; + case 3: + val = 3; + break; + default: + break; + } + return val; +} + +/* + * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code. + */ +static __devinit unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq) +{ + unsigned char val = 0; + + switch (mpu_irq) { + case 5: + val = 4; + break; + case 7: + val = 0x44; + break; + case 9: + val = 0x84; + break; + case 10: + val = 0xc4; + break; + default: + break; + } + return val; +} + +static int sc6000_wait_data(char __iomem *vport) +{ + int loop = 1000; + unsigned char val = 0; + + do { + val = ioread8(vport + DSP_DATAVAIL); + if (val & 0x80) + return 0; + cpu_relax(); + } while (loop--); + + return -EAGAIN; +} + +static int sc6000_read(char __iomem *vport) +{ + if (sc6000_wait_data(vport)) + return -EBUSY; + + return ioread8(vport + DSP_READ); + +} + +static int sc6000_write(char __iomem *vport, int cmd) +{ + unsigned char val; + int loop = 500000; + + do { + val = ioread8(vport + DSP_STATUS); + /* + * DSP ready to receive data if bit 7 of val == 0 + */ + if (!(val & 0x80)) { + iowrite8(cmd, vport + DSP_COMMAND); + return 0; + } + cpu_relax(); + } while (loop--); + + snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd); + + return -EIO; +} + +static int __devinit sc6000_dsp_get_answer(char __iomem *vport, int command, + char *data, int data_len) +{ + int len = 0; + + if (sc6000_write(vport, command)) { + snd_printk(KERN_ERR "CMD 0x%x: failed!\n", command); + return -EIO; + } + + do { + int val = sc6000_read(vport); + + if (val < 0) + break; + + data[len++] = val; + + } while (len < data_len); + + /* + * If no more data available, return to the caller, no error if len>0. + * We have no other way to know when the string is finished. + */ + return len ? len : -EIO; +} + +static int __devinit sc6000_dsp_reset(char __iomem *vport) +{ + iowrite8(1, vport + DSP_RESET); + udelay(10); + iowrite8(0, vport + DSP_RESET); + udelay(20); + if (sc6000_read(vport) == 0xaa) + return 0; + return -ENODEV; +} + +/* detection and initialization */ +static int __devinit sc6000_hw_cfg_write(char __iomem *vport, const int *cfg) +{ + if (sc6000_write(vport, COMMAND_6C) < 0) { + snd_printk(KERN_WARNING "CMD 0x%x: failed!\n", COMMAND_6C); + return -EIO; + } + if (sc6000_write(vport, COMMAND_5C) < 0) { + snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_5C); + return -EIO; + } + if (sc6000_write(vport, cfg[0]) < 0) { + snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[0]); + return -EIO; + } + if (sc6000_write(vport, cfg[1]) < 0) { + snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[1]); + return -EIO; + } + if (sc6000_write(vport, COMMAND_C5) < 0) { + snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_C5); + return -EIO; + } + + return 0; +} + +static int sc6000_cfg_write(char __iomem *vport, unsigned char softcfg) +{ + + if (sc6000_write(vport, WRITE_MDIRQ_CFG)) { + snd_printk(KERN_ERR "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG); + return -EIO; + } + if (sc6000_write(vport, softcfg)) { + snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n"); + return -EIO; + } + return 0; +} + +static int sc6000_setup_board(char __iomem *vport, int config) +{ + int loop = 10; + + do { + if (sc6000_write(vport, COMMAND_88)) { + snd_printk(KERN_ERR "CMD 0x%x: failed!\n", + COMMAND_88); + return -EIO; + } + } while ((sc6000_wait_data(vport) < 0) && loop--); + + if (sc6000_read(vport) < 0) { + snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n", + COMMAND_88); + return -EIO; + } + + if (sc6000_cfg_write(vport, config)) + return -ENODEV; + + return 0; +} + +static int __devinit sc6000_init_mss(char __iomem *vport, int config, + char __iomem *vmss_port, int mss_config) +{ + if (sc6000_write(vport, DSP_INIT_MSS)) { + snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n", + DSP_INIT_MSS); + return -EIO; + } + + msleep(10); + + if (sc6000_cfg_write(vport, config)) + return -EIO; + + iowrite8(mss_config, vmss_port); + + return 0; +} + +static void __devinit sc6000_hw_cfg_encode(char __iomem *vport, int *cfg, + long xport, long xmpu, + long xmss_port, int joystick) +{ + cfg[0] = 0; + cfg[1] = 0; + if (xport == 0x240) + cfg[0] |= 1; + if (xmpu != SNDRV_AUTO_PORT) { + cfg[0] |= (xmpu & 0x30) >> 2; + cfg[1] |= 0x20; + } + if (xmss_port == 0xe80) + cfg[0] |= 0x10; + cfg[0] |= 0x40; /* always set */ + if (!joystick) + cfg[0] |= 0x02; + cfg[1] |= 0x80; /* enable WSS system */ + cfg[1] &= ~0x40; /* disable IDE */ + snd_printd("hw cfg %x, %x\n", cfg[0], cfg[1]); +} + +static int __devinit sc6000_init_board(char __iomem *vport, + char __iomem *vmss_port, int dev) +{ + char answer[15]; + char version[2]; + int mss_config = sc6000_irq_to_softcfg(irq[dev]) | + sc6000_dma_to_softcfg(dma[dev]); + int config = mss_config | + sc6000_mpu_irq_to_softcfg(mpu_irq[dev]); + int err; + int old = 0; + + err = sc6000_dsp_reset(vport); + if (err < 0) { + snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n"); + return err; + } + + memset(answer, 0, sizeof(answer)); + err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, answer, 15); + if (err <= 0) { + snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n"); + return -ENODEV; + } + /* + * My SC-6000 card return "SC-6000" in DSPCopyright, so + * if we have something different, we have to be warned. + */ + if (strncmp("SC-6000", answer, 7)) + snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n"); + + if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, version, 2) < 2) { + snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n"); + return -ENODEV; + } + printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n", + answer, version[0], version[1]); + + /* set configuration */ + sc6000_write(vport, COMMAND_5C); + if (sc6000_read(vport) < 0) + old = 1; + + if (!old) { + int cfg[2]; + sc6000_hw_cfg_encode(vport, &cfg[0], port[dev], mpu_port[dev], + mss_port[dev], joystick[dev]); + if (sc6000_hw_cfg_write(vport, cfg) < 0) { + snd_printk(KERN_ERR "sc6000_hw_cfg_write: failed!\n"); + return -EIO; + } + } + err = sc6000_setup_board(vport, config); + if (err < 0) { + snd_printk(KERN_ERR "sc6000_setup_board: failed!\n"); + return -ENODEV; + } + + sc6000_dsp_reset(vport); + + if (!old) { + sc6000_write(vport, COMMAND_60); + sc6000_write(vport, 0x02); + sc6000_dsp_reset(vport); + } + + err = sc6000_setup_board(vport, config); + if (err < 0) { + snd_printk(KERN_ERR "sc6000_setup_board: failed!\n"); + return -ENODEV; + } + err = sc6000_init_mss(vport, config, vmss_port, mss_config); + if (err < 0) { + snd_printk(KERN_ERR "Cannot initialize " + "Microsoft Sound System mode.\n"); + return -ENODEV; + } + + return 0; +} + +static int __devinit snd_sc6000_mixer(struct snd_wss *chip) +{ + struct snd_card *card = chip->card; + struct snd_ctl_elem_id id1, id2; + int err; + + memset(&id1, 0, sizeof(id1)); + memset(&id2, 0, sizeof(id2)); + id1.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + /* reassign AUX0 to FM */ + strcpy(id1.name, "Aux Playback Switch"); + strcpy(id2.name, "FM Playback Switch"); + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) + return err; + strcpy(id1.name, "Aux Playback Volume"); + strcpy(id2.name, "FM Playback Volume"); + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) + return err; + /* reassign AUX1 to CD */ + strcpy(id1.name, "Aux Playback Switch"); id1.index = 1; + strcpy(id2.name, "CD Playback Switch"); + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) + return err; + strcpy(id1.name, "Aux Playback Volume"); + strcpy(id2.name, "CD Playback Volume"); + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) + return err; + return 0; +} + +static int __devinit snd_sc6000_match(struct device *devptr, unsigned int dev) +{ + if (!enable[dev]) + return 0; + if (port[dev] == SNDRV_AUTO_PORT) { + printk(KERN_ERR PFX "specify IO port\n"); + return 0; + } + if (mss_port[dev] == SNDRV_AUTO_PORT) { + printk(KERN_ERR PFX "specify MSS port\n"); + return 0; + } + if (port[dev] != 0x220 && port[dev] != 0x240) { + printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n"); + return 0; + } + if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) { + printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n"); + return 0; + } + if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq[dev])) { + printk(KERN_ERR PFX "invalid IRQ %d\n", irq[dev]); + return 0; + } + if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma[dev])) { + printk(KERN_ERR PFX "invalid DMA %d\n", dma[dev]); + return 0; + } + if (mpu_port[dev] != SNDRV_AUTO_PORT && + (mpu_port[dev] & ~0x30L) != 0x300) { + printk(KERN_ERR PFX "invalid MPU-401 port %lx\n", + mpu_port[dev]); + return 0; + } + if (mpu_port[dev] != SNDRV_AUTO_PORT && + mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 && + !sc6000_mpu_irq_to_softcfg(mpu_irq[dev])) { + printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]); + return 0; + } + return 1; +} + +static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev) +{ + static int possible_irqs[] = { 5, 7, 9, 10, 11, -1 }; + static int possible_dmas[] = { 1, 3, 0, -1 }; + int err; + int xirq = irq[dev]; + int xdma = dma[dev]; + struct snd_card *card; + struct snd_wss *chip; + struct snd_opl3 *opl3; + char __iomem **vport; + char __iomem *vmss_port; + + + err = snd_card_create(index[dev], id[dev], THIS_MODULE, sizeof(vport), + &card); + if (err < 0) + return err; + + vport = card->private_data; + if (xirq == SNDRV_AUTO_IRQ) { + xirq = snd_legacy_find_free_irq(possible_irqs); + if (xirq < 0) { + snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); + err = -EBUSY; + goto err_exit; + } + } + + if (xdma == SNDRV_AUTO_DMA) { + xdma = snd_legacy_find_free_dma(possible_dmas); + if (xdma < 0) { + snd_printk(KERN_ERR PFX "unable to find a free DMA\n"); + err = -EBUSY; + goto err_exit; + } + } + + if (!request_region(port[dev], 0x10, DRV_NAME)) { + snd_printk(KERN_ERR PFX + "I/O port region is already in use.\n"); + err = -EBUSY; + goto err_exit; + } + *vport = devm_ioport_map(devptr, port[dev], 0x10); + if (*vport == NULL) { + snd_printk(KERN_ERR PFX + "I/O port cannot be iomaped.\n"); + err = -EBUSY; + goto err_unmap1; + } + + /* to make it marked as used */ + if (!request_region(mss_port[dev], 4, DRV_NAME)) { + snd_printk(KERN_ERR PFX + "SC-6000 port I/O port region is already in use.\n"); + err = -EBUSY; + goto err_unmap1; + } + vmss_port = devm_ioport_map(devptr, mss_port[dev], 4); + if (!vmss_port) { + snd_printk(KERN_ERR PFX + "MSS port I/O cannot be iomaped.\n"); + err = -EBUSY; + goto err_unmap2; + } + + snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n", + port[dev], xirq, xdma, + mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]); + + err = sc6000_init_board(*vport, vmss_port, dev); + if (err < 0) + goto err_unmap2; + + err = snd_wss_create(card, mss_port[dev] + 4, -1, xirq, xdma, -1, + WSS_HW_DETECT, 0, &chip); + if (err < 0) + goto err_unmap2; + + err = snd_wss_pcm(chip, 0, NULL); + if (err < 0) { + snd_printk(KERN_ERR PFX + "error creating new WSS PCM device\n"); + goto err_unmap2; + } + err = snd_wss_mixer(chip); + if (err < 0) { + snd_printk(KERN_ERR PFX "error creating new WSS mixer\n"); + goto err_unmap2; + } + err = snd_sc6000_mixer(chip); + if (err < 0) { + snd_printk(KERN_ERR PFX "the mixer rewrite failed\n"); + goto err_unmap2; + } + if (snd_opl3_create(card, + 0x388, 0x388 + 2, + OPL3_HW_AUTO, 0, &opl3) < 0) { + snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n", + 0x388, 0x388 + 2); + } else { + err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); + if (err < 0) + goto err_unmap2; + } + + if (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]); + } + + strcpy(card->driver, DRV_NAME); + strcpy(card->shortname, "SC-6000"); + sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d", + mss_port[dev], xirq, xdma); + + snd_card_set_dev(card, devptr); + + err = snd_card_register(card); + if (err < 0) + goto err_unmap2; + + dev_set_drvdata(devptr, card); + return 0; + +err_unmap2: + sc6000_setup_board(*vport, 0); + release_region(mss_port[dev], 4); +err_unmap1: + release_region(port[dev], 0x10); +err_exit: + snd_card_free(card); + return err; +} + +static int __devexit snd_sc6000_remove(struct device *devptr, unsigned int dev) +{ + struct snd_card *card = dev_get_drvdata(devptr); + char __iomem **vport = card->private_data; + + if (sc6000_setup_board(*vport, 0) < 0) + snd_printk(KERN_WARNING "sc6000_setup_board failed on exit!\n"); + + release_region(port[dev], 0x10); + release_region(mss_port[dev], 4); + + dev_set_drvdata(devptr, NULL); + snd_card_free(card); + return 0; +} + +static struct isa_driver snd_sc6000_driver = { + .match = snd_sc6000_match, + .probe = snd_sc6000_probe, + .remove = __devexit_p(snd_sc6000_remove), + /* FIXME: suspend/resume */ + .driver = { + .name = DRV_NAME, + }, +}; + + +static int __init alsa_card_sc6000_init(void) +{ + return isa_register_driver(&snd_sc6000_driver, SNDRV_CARDS); +} + +static void __exit alsa_card_sc6000_exit(void) +{ + isa_unregister_driver(&snd_sc6000_driver); +} + +module_init(alsa_card_sc6000_init) +module_exit(alsa_card_sc6000_exit) |