Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e307258d5b27e3f9cde56df4038c89470710e2e4
Commit:     e307258d5b27e3f9cde56df4038c89470710e2e4
Parent:     e8a7f136f5edb6ae83b14faaa0da2a3c4558f431
Author:     Krzysztof Helt <[EMAIL PROTECTED]>
AuthorDate: Tue Sep 11 21:53:05 2007 +0200
Committer:  Jaroslav Kysela <[EMAIL PROTECTED]>
CommitDate: Tue Oct 16 16:50:21 2007 +0200

    [ALSA] Gallant SC-6000 driver
    
    This is port of the Gallant SC-6000 driver from the OSS aedsp16 driver.
    This card was also sold as AudioExcel DSP 16 and Zoltrix AV302 (Audio
    Plus True 16).
    
    Signed-off-by: Krzysztof Helt <[EMAIL PROTECTED]>
    Signed-off-by: Takashi Iwai <[EMAIL PROTECTED]>
    Signed-off-by: Jaroslav Kysela <[EMAIL PROTECTED]>
---
 sound/isa/Kconfig  |   13 +
 sound/isa/Makefile |    2 +
 sound/isa/sc6000.c |  654 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 669 insertions(+), 0 deletions(-)

diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig
index 6b6aa2c..08a26d8 100644
--- a/sound/isa/Kconfig
+++ b/sound/isa/Kconfig
@@ -191,6 +191,19 @@ config SND_ES18XX
          To compile this driver as a module, choose M here: the module
          will be called snd-es18xx.
 
+config SND_SC6000
+       tristate "Gallant SC-6000, Audio Excel DSP 16"
+       depends on SND
+       select SND_AD1848_LIB
+       select SND_OPL3_LIB
+       select SND_MPU401_UART
+       help
+         Say Y here to include support for Gallant SC-6000 card and clones:
+         Audio Excel DSP 16 and Zoltrix AV302.
+
+         To compile this driver as a module, choose M here: the module
+         will be called snd-sc6000.
+
 config SND_GUS_SYNTH
        tristate
 
diff --git a/sound/isa/Makefile b/sound/isa/Makefile
index bb317cc..5378d98 100644
--- a/sound/isa/Makefile
+++ b/sound/isa/Makefile
@@ -10,6 +10,7 @@ snd-cmi8330-objs := cmi8330.o
 snd-dt019x-objs := dt019x.o
 snd-es18xx-objs := es18xx.o
 snd-opl3sa2-objs := opl3sa2.o
+snd-sc6000-objs := sc6000.o
 snd-sgalaxy-objs := sgalaxy.o
 snd-sscape-objs := sscape.o
 
@@ -21,6 +22,7 @@ obj-$(CONFIG_SND_CMI8330) += snd-cmi8330.o
 obj-$(CONFIG_SND_DT019X) += snd-dt019x.o
 obj-$(CONFIG_SND_ES18XX) += snd-es18xx.o
 obj-$(CONFIG_SND_OPL3SA2) += snd-opl3sa2.o
+obj-$(CONFIG_SND_SC6000) += snd-sc6000.o
 obj-$(CONFIG_SND_SGALAXY) += snd-sgalaxy.o
 obj-$(CONFIG_SND_SSCAPE) += snd-sscape.o
 
diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c
new file mode 100644
index 0000000..d4a4ccf
--- /dev/null
+++ b/sound/isa/sc6000.c
@@ -0,0 +1,654 @@
+/*
+ *  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.
+ *
+ *  Copyright (C) 2007 Krzysztof Helt <[EMAIL PROTECTED]>
+ *
+ *  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 <sound/driver.h>
+#include <linux/module.h>
+#include <linux/isa.h>
+#include <linux/io.h>
+#include <asm/dma.h>
+#include <sound/core.h>
+#include <sound/ad1848.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 int 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 */
+
+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.");
+
+/*
+ * 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 __devinit 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 __devinit int sc6000_read(char __iomem *vport)
+{
+       if (sc6000_wait_data(vport))
+               return -EBUSY;
+
+       return ioread8(vport + DSP_READ);
+
+}
+
+static __devinit 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_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 __devinit 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 int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma,
+                                       char __iomem *vmss_port, int mpu_irq)
+{
+       char answer[15];
+       char version[2];
+       int mss_config = sc6000_irq_to_softcfg(irq) |
+                        sc6000_dma_to_softcfg(dma);
+       int config = mss_config |
+                    sc6000_mpu_irq_to_softcfg(mpu_irq);
+       int err;
+
+       err = sc6000_dsp_reset(vport);
+       if (err < 0) {
+               snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n");
+               return err;
+       }
+
+       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.
+        * Mine returns "SC-6000A " - KH
+        */
+       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]);
+
+       /*
+        * 0x0A == (IRQ 7, DMA 1, MIRQ 0)
+        */
+       err = sc6000_cfg_write(vport, 0x0a);
+       if (err < 0) {
+               snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
+               return -EFAULT;
+       }
+
+       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 "Can not initialize"
+                          "Microsoft Sound System mode.\n");
+               return -ENODEV;
+       }
+
+       return 0;
+}
+
+static int __devinit snd_sc6000_mixer(struct snd_ad1848 *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_ad1848 *chip;
+       struct snd_opl3 *opl3;
+       char __iomem *vport;
+       char __iomem *vmss_port;
+
+
+       card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
+       if (!card)
+               return -ENOMEM;
+
+       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) {
+               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_unmap2;
+       }
+       vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);
+       if (!vport) {
+               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, xirq, xdma, vmss_port, mpu_irq[dev]);
+       if (err < 0)
+               goto err_unmap2;
+
+       err = snd_ad1848_create(card, mss_port[dev] + 4, xirq, xdma,
+                               AD1848_HW_DETECT, &chip);
+       if (err < 0)
+               goto err_unmap2;
+       card->private_data = chip;
+
+       err = snd_ad1848_pcm(chip, 0, NULL);
+       if (err < 0) {
+               snd_printk(KERN_ERR PFX
+                          "error creating new ad1848 PCM device\n");
+               goto err_unmap2;
+       }
+       err = snd_ad1848_mixer(chip);
+       if (err < 0) {
+               snd_printk(KERN_ERR PFX "error creating new ad1848 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_timer_new(opl3, 0, 1);
+               if (err < 0)
+                       goto err_unmap2;
+
+               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], IRQF_DISABLED,
+                                       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:
+       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)
+{
+       release_region(port[dev], 0x10);
+       release_region(mss_port[dev], 4);
+
+       snd_card_free(dev_get_drvdata(devptr));
+       dev_set_drvdata(devptr, NULL);
+       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)
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