[ALSA] Add snd-miro driver

Added snd-miro driver for miroSOUND PCM by Martin Langer.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1457 insertions, 0 deletions

diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
new file mode 100644
index 000000000000..49ba334c0d24
--- /dev/null
+++ b/sound/isa/opti9xx/miro.c
@@ -0,0 +1,1457 @@
+/*
+ *   ALSA soundcard driver for Miro miroSOUND PCM1 pro
+ *                                  miroSOUND PCM12
+ *                                  miroSOUND PCM20 Radio
+ *
+ *   Copyright (C) 2004-2005 Martin Langer <martin-langer@gmx.de>
+ *
+ *   Based on OSS ACI and ALSA OPTi9xx drivers
+ *
+ *   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/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/moduleparam.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+#include <sound/core.h>
+#include <sound/cs4231.h>
+#include <sound/mpu401.h>
+#include <sound/opl4.h>
+#include <sound/control.h>
+#include <sound/info.h>
+#define SNDRV_LEGACY_FIND_FREE_IRQ
+#define SNDRV_LEGACY_FIND_FREE_DMA
+#include <sound/initval.h>
+#include "miro.h"
+
+MODULE_AUTHOR("Martin Langer <martin-langer@gmx.de>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Miro miroSOUND PCM1 pro, PCM12, PCM20 Radio");
+MODULE_SUPPORTED_DEVICE("{{Miro,miroSOUND PCM1 pro}, "
+                        "{Miro,miroSOUND PCM12}, "
+                        "{Miro,miroSOUND PCM20 Radio}}");
+
+static int index = SNDRV_DEFAULT_IDX1;          /* Index 0-MAX */
+static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
+static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
+static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
+static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
+static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
+static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
+static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
+static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
+static int wss;
+static int ide;
+
+module_param(index, int, 0444);
+MODULE_PARM_DESC(index, "Index value for miro soundcard.");
+module_param(id, charp, 0444);
+MODULE_PARM_DESC(id, "ID string for miro soundcard.");
+module_param(port, long, 0444);
+MODULE_PARM_DESC(port, "WSS port # for miro driver.");
+module_param(mpu_port, long, 0444);
+MODULE_PARM_DESC(mpu_port, "MPU-401 port # for miro driver.");
+module_param(fm_port, long, 0444);
+MODULE_PARM_DESC(fm_port, "FM Port # for miro driver.");
+module_param(irq, int, 0444);
+MODULE_PARM_DESC(irq, "WSS irq # for miro driver.");
+module_param(mpu_irq, int, 0444);
+MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for miro driver.");
+module_param(dma1, int, 0444);
+MODULE_PARM_DESC(dma1, "1st dma # for miro driver.");
+module_param(dma2, int, 0444);
+MODULE_PARM_DESC(dma2, "2nd dma # for miro driver.");
+module_param(wss, int, 0444);
+MODULE_PARM_DESC(wss, "wss mode");
+module_param(ide, int, 0444);
+MODULE_PARM_DESC(ide, "enable ide port");
+
+#define OPTi9XX_HW_DETECT       0
+#define OPTi9XX_HW_82C928       1
+#define OPTi9XX_HW_82C929       2
+#define OPTi9XX_HW_82C924       3
+#define OPTi9XX_HW_82C925       4
+#define OPTi9XX_HW_82C930       5
+#define OPTi9XX_HW_82C931       6
+#define OPTi9XX_HW_82C933       7
+#define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
+
+#define OPTi9XX_MC_REG(n)       n
+
+
+struct snd_miro {
+        unsigned short hardware;
+        unsigned char password;
+        char name[7];
+
+        struct resource *res_mc_base;
+        struct resource *res_aci_port;
+
+        unsigned long mc_base;
+        unsigned long mc_base_size;
+        unsigned long pwd_reg;
+
+        spinlock_t lock;
+        struct snd_card *card;
+        struct snd_pcm *pcm;
+
+        long wss_base;
+        int irq;
+        int dma1;
+        int dma2;
+
+        long fm_port;
+
+        long mpu_port;
+        int mpu_irq;
+
+        unsigned long aci_port;
+        int aci_vendor;
+        int aci_product;
+        int aci_version;
+        int aci_amp;
+        int aci_preamp;
+        int aci_solomode;
+
+        struct mutex aci_mutex;
+};
+
+static void snd_miro_proc_init(struct snd_miro * miro);
+
+#define DRIVER_NAME "snd-miro"
+
+static struct platform_device *device;
+
+static char * snd_opti9xx_names[] = {
+        "unkown",
+        "82C928", "82C929",
+        "82C924", "82C925",
+        "82C930", "82C931", "82C933"
+};
+
+/* 
+ *  ACI control
+ */
+
+static int aci_busy_wait(struct snd_miro * miro)
+{
+        long timeout;
+        unsigned char byte;
+
+        for (timeout = 1; timeout <= ACI_MINTIME+30; timeout++) {
+                if (((byte=inb(miro->aci_port + ACI_REG_BUSY)) & 1) == 0) {
+                        if (timeout >= ACI_MINTIME)
+                                snd_printd("aci ready in round %ld.\n",
+                                           timeout-ACI_MINTIME);
+                        return byte;
+                }
+                if (timeout >= ACI_MINTIME) {
+                        long out=10*HZ;
+                        switch (timeout-ACI_MINTIME) {
+                        case 0 ... 9:
+                                out /= 10;
+                        case 10 ... 19:
+                                out /= 10;
+                        case 20 ... 30:
+                                out /= 10;
+                        default:
+                                set_current_state(TASK_UNINTERRUPTIBLE);
+                                schedule_timeout(out);
+                                break;
+                        }
+                }
+        }
+        snd_printk(KERN_ERR "aci_busy_wait() time out\n");
+        return -EBUSY;
+}
+
+static inline int aci_write(struct snd_miro * miro, unsigned char byte)
+{
+        if (aci_busy_wait(miro) >= 0) {
+                outb(byte, miro->aci_port + ACI_REG_COMMAND);
+                return 0;
+        } else {
+                snd_printk(KERN_ERR "aci busy, aci_write(0x%x) stopped.\n", byte);
+                return -EBUSY;
+        }
+}
+
+static inline int aci_read(struct snd_miro * miro)
+{
+        unsigned char byte;
+
+        if (aci_busy_wait(miro) >= 0) {
+                byte=inb(miro->aci_port + ACI_REG_STATUS);
+                return byte;
+        } else {
+                snd_printk(KERN_ERR "aci busy, aci_read() stopped.\n");
+                return -EBUSY;
+        }
+}
+
+static int aci_cmd(struct snd_miro * miro, int write1, int write2, int write3)
+{
+        int write[] = {write1, write2, write3};
+        int value, i;
+
+        if (mutex_lock_interruptible(&miro->aci_mutex))
+                return -EINTR;
+
+        for (i=0; i<3; i++) {
+                if (write[i]< 0 || write[i] > 255)
+                        break;
+                else {
+                        value = aci_write(miro, write[i]);
+                        if (value < 0)
+                                goto out;
+                }
+        }
+
+        value = aci_read(miro);
+
+out:    mutex_unlock(&miro->aci_mutex);
+        return value;
+}
+
+static int aci_getvalue(struct snd_miro * miro, unsigned char index)
+{
+        return aci_cmd(miro, ACI_STATUS, index, -1);
+}
+
+static int aci_setvalue(struct snd_miro * miro, unsigned char index, int value)
+{
+        return aci_cmd(miro, index, value, -1);
+}
+
+/*
+ *  MIXER part
+ */
+
+static int snd_miro_info_capture(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+        uinfo->count = 1;
+
+        return 0;
+}
+
+static int snd_miro_get_capture(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
+        int value;
+
+        if ((value = aci_getvalue(miro, ACI_S_GENERAL)) < 0) {
+                snd_printk(KERN_ERR "snd_miro_get_capture() failed: %d\n", value);
+                return value;
+        }
+
+        ucontrol->value.integer.value[0] = value & 0x20;
+
+        return 0;
+}
+
+static int snd_miro_put_capture(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
+        int change, value, error;
+
+        value = !(ucontrol->value.integer.value[0]);
+
+        if ((error = aci_setvalue(miro, ACI_SET_SOLOMODE, value)) < 0) {
+                snd_printk(KERN_ERR "snd_miro_put_capture() failed: %d\n", error);
+                return error;
+        }
+
+        change = (value != miro->aci_solomode);
+        miro->aci_solomode = value;
+        
+        return change;
+}
+
+static int snd_miro_info_preamp(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 1;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = 3;
+
+        return 0;
+}
+
+static int snd_miro_get_preamp(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
+        int value;
+
+        if (miro->aci_version <= 176) {
+
+                /* 
+                   OSS says it's not readable with versions < 176.
+                   But it doesn't work on my card,
+                   which is a PCM12 with aci_version = 176.
+                */
+
+                ucontrol->value.integer.value[0] = miro->aci_preamp;
+                return 0;
+        }
+
+        if ((value = aci_getvalue(miro, ACI_GET_PREAMP)) < 0) {
+                snd_printk(KERN_ERR "snd_miro_get_preamp() failed: %d\n", value);
+                return value;
+        }
+        
+        ucontrol->value.integer.value[0] = value;
+
+        return 0;
+}
+
+static int snd_miro_put_preamp(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
+        int error, value, change;
+
+        value = ucontrol->value.integer.value[0];
+
+        if ((error = aci_setvalue(miro, ACI_SET_PREAMP, value)) < 0) {
+                snd_printk(KERN_ERR "snd_miro_put_preamp() failed: %d\n", error);
+                return error;
+        }
+
+        change = (value != miro->aci_preamp);
+        miro->aci_preamp = value;
+
+        return change;
+}
+
+static int snd_miro_info_amp(struct snd_kcontrol *kcontrol,
+                             struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+        uinfo->count = 1;
+
+        return 0;
+}
+
+static int snd_miro_get_amp(struct snd_kcontrol *kcontrol,
+                            struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
+        ucontrol->value.integer.value[0] = miro->aci_amp;
+
+        return 0;
+}
+
+static int snd_miro_put_amp(struct snd_kcontrol *kcontrol,
+                            struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
+        int error, value, change;
+
+        value = ucontrol->value.integer.value[0];
+
+        if ((error = aci_setvalue(miro, ACI_SET_POWERAMP, value)) < 0) {
+                snd_printk(KERN_ERR "snd_miro_put_amp() to %d failed: %d\n", value, error);
+                return error;
+        }
+
+        change = (value != miro->aci_amp);
+        miro->aci_amp = value;
+
+        return change;
+}
+
+#define MIRO_DOUBLE(ctl_name, ctl_index, get_right_reg, set_right_reg) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+  .name = ctl_name, \
+  .index = ctl_index, \
+  .info = snd_miro_info_double, \
+  .get = snd_miro_get_double, \
+  .put = snd_miro_put_double, \
+  .private_value = get_right_reg | (set_right_reg << 8) \
+}
+
+static int snd_miro_info_double(struct snd_kcontrol *kcontrol, 
+                                struct snd_ctl_elem_info *uinfo)
+{
+        int reg = kcontrol->private_value & 0xff;
+
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 2;
+
+        if ((reg >= ACI_GET_EQ1) && (reg <= ACI_GET_EQ7)) {
+
+                /* equalizer elements */
+
+                uinfo->value.integer.min = - 0x7f;
+                uinfo->value.integer.max = 0x7f;
+        } else {
+
+                /* non-equalizer elements */
+
+                uinfo->value.integer.min = 0;
+                uinfo->value.integer.max = 0x20;
+        }
+
+        return 0;
+}
+
+static int snd_miro_get_double(struct snd_kcontrol *kcontrol, 
+                               struct snd_ctl_elem_value *uinfo)
+{
+        struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
+        int left_val, right_val;
+
+        int right_reg = kcontrol->private_value & 0xff;
+        int left_reg = right_reg + 1;
+
+        if ((right_val = aci_getvalue(miro, right_reg)) < 0) {
+                snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", right_reg, right_val);
+                return right_val;
+        }
+
+        if ((left_val = aci_getvalue(miro, left_reg)) < 0) {
+                snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", left_reg, left_val);
+                return left_val;
+        }
+
+        if ((right_reg >= ACI_GET_EQ1) && (right_reg <= ACI_GET_EQ7)) {
+
+                /* equalizer elements */
+
+                if (left_val < 0x80) {
+                        uinfo->value.integer.value[0] = left_val;
+                } else {
+                        uinfo->value.integer.value[0] = 0x80 - left_val;
+                }
+
+                if (right_val < 0x80) {
+                        uinfo->value.integer.value[1] = right_val;
+                } else {
+                        uinfo->value.integer.value[1] = 0x80 - right_val;
+                }
+
+        } else {
+
+                /* non-equalizer elements */
+
+                uinfo->value.integer.value[0] = 0x20 - left_val;
+                uinfo->value.integer.value[1] = 0x20 - right_val;
+        }
+
+        return 0;
+}
+
+static int snd_miro_put_double(struct snd_kcontrol *kcontrol, 
+                               struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
+        int left, right, left_old, right_old;
+        int setreg_left, setreg_right, getreg_left, getreg_right;
+        int change, error;
+
+        left = ucontrol->value.integer.value[0];
+        right = ucontrol->value.integer.value[1];
+
+        setreg_right = (kcontrol->private_value >> 8) & 0xff;
+        if (setreg_right == ACI_SET_MASTER) {
+                setreg_left = setreg_right + 1;
+        } else {
+                setreg_left = setreg_right + 8;
+        }
+
+        getreg_right = kcontrol->private_value & 0xff;
+        getreg_left = getreg_right + 1;
+
+        if ((left_old = aci_getvalue(miro, getreg_left)) < 0) {
+                snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", getreg_left, left_old);
+                return left_old;
+        }
+
+        if ((right_old = aci_getvalue(miro, getreg_right)) < 0) {
+                snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", getreg_right, right_old);
+                return right_old;
+        }
+
+        if ((getreg_right >= ACI_GET_EQ1) && (getreg_right <= ACI_GET_EQ7)) {
+
+                /* equalizer elements */
+
+                if (left_old > 0x80) 
+                        left_old = 0x80 - left_old;
+                if (right_old > 0x80) 
+                        right_old = 0x80 - right_old;
+
+                if (left >= 0) {
+                        if ((error = aci_setvalue(miro, setreg_left, left)) < 0) {
+                                snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
+                                           left, error);
+                                return error;
+                        }
+                } else {
+                        if ((error = aci_setvalue(miro, setreg_left, 0x80 - left)) < 0) {
+                                snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
+                                           0x80 - left, error);
+                                return error;
+                        }
+                }
+
+                if (right >= 0) {
+                        if ((error = aci_setvalue(miro, setreg_right, right)) < 0) {
+                                snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
+                                           right, error);
+                                return error;
+                        }
+                } else {
+                        if ((error = aci_setvalue(miro, setreg_right, 0x80 - right)) < 0) {
+                                snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
+                                           0x80 - right, error);
+                                return error;
+                        }
+                }
+
+        } else {
+
+                /* non-equalizer elements */
+
+                left_old = 0x20 - left_old;
+                right_old = 0x20 - right_old;
+
+                if ((error = aci_setvalue(miro, setreg_left, 0x20 - left)) < 0) {
+                        snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
+                                   0x20 - left, error);
+                        return error;
+                }
+                if ((error = aci_setvalue(miro, setreg_right, 0x20 - right)) < 0) {
+                        snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
+                                   0x20 - right, error);
+                        return error;
+                }
+        }
+
+        change = (left != left_old) || (right != right_old);
+
+        return change;
+}
+
+static struct snd_kcontrol_new snd_miro_controls[] = {
+MIRO_DOUBLE("Master Playback Volume", 0, ACI_GET_MASTER, ACI_SET_MASTER),
+MIRO_DOUBLE("Mic Playback Volume", 1, ACI_GET_MIC, ACI_SET_MIC),
+MIRO_DOUBLE("Line Playback Volume", 1, ACI_GET_LINE, ACI_SET_LINE),
+MIRO_DOUBLE("CD Playback Volume", 0, ACI_GET_CD, ACI_SET_CD),
+MIRO_DOUBLE("Synth Playback Volume", 0, ACI_GET_SYNTH, ACI_SET_SYNTH),
+MIRO_DOUBLE("PCM Playback Volume", 1, ACI_GET_PCM, ACI_SET_PCM),
+MIRO_DOUBLE("Aux Playback Volume", 2, ACI_GET_LINE2, ACI_SET_LINE2),
+};
+
+/* Equalizer with seven bands (only PCM20) 
+   from -12dB up to +12dB on each band */
+static struct snd_kcontrol_new snd_miro_eq_controls[] = {
+MIRO_DOUBLE("Tone Control - 28 Hz", 0, ACI_GET_EQ1, ACI_SET_EQ1),
+MIRO_DOUBLE("Tone Control - 160 Hz", 0, ACI_GET_EQ2, ACI_SET_EQ2),
+MIRO_DOUBLE("Tone Control - 400 Hz", 0, ACI_GET_EQ3, ACI_SET_EQ3),
+MIRO_DOUBLE("Tone Control - 1 kHz", 0, ACI_GET_EQ4, ACI_SET_EQ4),
+MIRO_DOUBLE("Tone Control - 2.5 kHz", 0, ACI_GET_EQ5, ACI_SET_EQ5),
+MIRO_DOUBLE("Tone Control - 6.3 kHz", 0, ACI_GET_EQ6, ACI_SET_EQ6),
+MIRO_DOUBLE("Tone Control - 16 kHz", 0, ACI_GET_EQ7, ACI_SET_EQ7),
+};
+
+static struct snd_kcontrol_new snd_miro_radio_control[] = {
+MIRO_DOUBLE("Radio Playback Volume", 0, ACI_GET_LINE1, ACI_SET_LINE1),
+};
+
+static struct snd_kcontrol_new snd_miro_line_control[] = {
+MIRO_DOUBLE("Line Playback Volume", 2, ACI_GET_LINE1, ACI_SET_LINE1),
+};
+
+static struct snd_kcontrol_new snd_miro_preamp_control[] = {
+{
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "Mic Boost",
+        .index = 1,
+        .info = snd_miro_info_preamp,
+        .get = snd_miro_get_preamp,
+        .put = snd_miro_put_preamp,
+}};
+
+static struct snd_kcontrol_new snd_miro_amp_control[] = {
+{
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "Line Boost",
+        .index = 0,
+        .info = snd_miro_info_amp,
+        .get = snd_miro_get_amp,
+        .put = snd_miro_put_amp,
+}};
+
+static struct snd_kcontrol_new snd_miro_capture_control[] = {
+{
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "PCM Capture Switch",
+        .index = 0,
+        .info = snd_miro_info_capture,
+        .get = snd_miro_get_capture,
+        .put = snd_miro_put_capture,
+}};
+
+static unsigned char aci_init_values[][2] __initdata = {
+        { ACI_SET_MUTE, 0x00 },
+        { ACI_SET_POWERAMP, 0x00 },
+        { ACI_SET_PREAMP, 0x00 },
+        { ACI_SET_SOLOMODE, 0x00 },
+        { ACI_SET_MIC + 0, 0x20 },
+        { ACI_SET_MIC + 8, 0x20 },
+        { ACI_SET_LINE + 0, 0x20 },
+        { ACI_SET_LINE + 8, 0x20 },
+        { ACI_SET_CD + 0, 0x20 },
+        { ACI_SET_CD + 8, 0x20 },
+        { ACI_SET_PCM + 0, 0x20 },
+        { ACI_SET_PCM + 8, 0x20 },
+        { ACI_SET_LINE1 + 0, 0x20 },
+        { ACI_SET_LINE1 + 8, 0x20 },
+        { ACI_SET_LINE2 + 0, 0x20 },
+        { ACI_SET_LINE2 + 8, 0x20 },
+        { ACI_SET_SYNTH + 0, 0x20 },
+        { ACI_SET_SYNTH + 8, 0x20 },
+        { ACI_SET_MASTER + 0, 0x20 },
+        { ACI_SET_MASTER + 1, 0x20 },
+};
+
+static int __init snd_set_aci_init_values(struct snd_miro *miro)
+{
+        int idx, error;
+
+        /* enable WSS on PCM1 */
+
+        if ((miro->aci_product == 'A') && wss) {
+                if ((error = aci_setvalue(miro, ACI_SET_WSS, wss)) < 0) {
+                        snd_printk(KERN_ERR "enabling WSS mode failed\n");
+                        return error;
+                }
+        }
+
+        /* enable IDE port */
+
+        if (ide) {
+                if ((error = aci_setvalue(miro, ACI_SET_IDE, ide)) < 0) {
+                        snd_printk(KERN_ERR "enabling IDE port failed\n");
+                        return error;
+                }
+        }
+
+        /* set common aci values */
+
+        for (idx = 0; idx < ARRAY_SIZE(aci_init_values); idx++)
+                if ((error = aci_setvalue(miro, aci_init_values[idx][0], 
+                                          aci_init_values[idx][1])) < 0) {
+                        snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n", 
+                                   aci_init_values[idx][0], error);
+                        return error;
+                }
+
+        miro->aci_amp = 0;
+        miro->aci_preamp = 0;
+        miro->aci_solomode = 1;
+
+        return 0;
+}
+
+static int snd_miro_mixer(struct snd_miro *miro)
+{
+        struct snd_card *card;
+        unsigned int idx;
+        int err;
+
+        snd_assert(miro != NULL && miro->card != NULL, return -EINVAL);
+
+        card = miro->card;
+
+        switch (miro->hardware) {
+        case OPTi9XX_HW_82C924:
+                strcpy(card->mixername, "ACI & OPTi924");
+                break;
+        case OPTi9XX_HW_82C929:
+                strcpy(card->mixername, "ACI & OPTi929");
+                break;
+        default:
+                snd_BUG();
+                break;
+        }
+
+        for (idx = 0; idx < ARRAY_SIZE(snd_miro_controls); idx++) {
+                if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_controls[idx], miro))) < 0)
+                        return err;
+        }
+
+        if ((miro->aci_product == 'A') || (miro->aci_product == 'B')) {
+                /* PCM1/PCM12 with power-amp and Line 2 */
+                if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_line_control[0], miro))) < 0)
+                        return err;
+                if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_amp_control[0], miro))) < 0)
+                        return err;
+        }
+
+        if ((miro->aci_product == 'B') || (miro->aci_product == 'C')) {
+                /* PCM12/PCM20 with mic-preamp */
+                if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_preamp_control[0], miro))) < 0)
+                        return err;
+                if (miro->aci_version >= 176)
+                        if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_capture_control[0], miro))) < 0)
+                                return err;
+        }
+
+        if (miro->aci_product == 'C') {
+                /* PCM20 with radio and 7 band equalizer */
+                if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_radio_control[0], miro))) < 0)
+                        return err;
+                for (idx = 0; idx < ARRAY_SIZE(snd_miro_eq_controls); idx++) {
+                        if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_eq_controls[idx], miro))) < 0)
+                                return err;
+                }
+        }
+
+        return 0;
+}
+
+static long snd_legacy_find_free_ioport(long *port_table, long size)
+{
+        while (*port_table != -1) {
+                struct resource *res;
+                if ((res = request_region(*port_table, size, 
+                                          "ALSA test")) != NULL) {
+                        release_resource(res);
+                        kfree_nocheck(res);
+                        return *port_table;
+                }
+                port_table++;
+        }
+        return -1;
+}
+
+static int __init snd_miro_init(struct snd_miro *chip, unsigned short hardware)
+{
+        static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
+
+        chip->hardware = hardware;
+        strcpy(chip->name, snd_opti9xx_names[hardware]);
+
+        chip->mc_base_size = opti9xx_mc_size[hardware];  
+
+        spin_lock_init(&chip->lock);
+
+        chip->wss_base = -1;
+        chip->irq = -1;
+        chip->dma1 = -1;
+        chip->dma2 = -1;
+        chip->fm_port = -1;
+        chip->mpu_port = -1;
+        chip->mpu_irq = -1;
+
+        switch (hardware) {
+        case OPTi9XX_HW_82C929:
+                chip->mc_base = 0xf8c;
+                chip->password = 0xe3;
+                chip->pwd_reg = 3;
+                break;
+
+        case OPTi9XX_HW_82C924:
+                chip->mc_base = 0xf8c;
+                chip->password = 0xe5;
+                chip->pwd_reg = 3;
+                break;
+
+        default:
+                snd_printk(KERN_ERR "sorry, no support for %d\n", hardware);
+                return -ENODEV;
+        }
+
+        return 0;
+}
+
+static unsigned char snd_miro_read(struct snd_miro *chip,
+                                   unsigned char reg)
+{
+        unsigned long flags;
+        unsigned char retval = 0xff;
+
+        spin_lock_irqsave(&chip->lock, flags);
+        outb(chip->password, chip->mc_base + chip->pwd_reg);
+
+        switch (chip->hardware) {
+        case OPTi9XX_HW_82C924:
+                if (reg > 7) {
+                        outb(reg, chip->mc_base + 8);
+                        outb(chip->password, chip->mc_base + chip->pwd_reg);
+                        retval = inb(chip->mc_base + 9);
+                        break;
+                }
+
+        case OPTi9XX_HW_82C929:
+                retval = inb(chip->mc_base + reg);
+                break;
+
+        default:
+                snd_printk(KERN_ERR "sorry, no support for %d\n", chip->hardware);
+        }
+
+        spin_unlock_irqrestore(&chip->lock, flags);
+        return retval;
+}
+
+static void snd_miro_write(struct snd_miro *chip, unsigned char reg,
+                           unsigned char value)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&chip->lock, flags);
+        outb(chip->password, chip->mc_base + chip->pwd_reg);
+
+        switch (chip->hardware) {
+        case OPTi9XX_HW_82C924:
+                if (reg > 7) {
+                        outb(reg, chip->mc_base + 8);
+                        outb(chip->password, chip->mc_base + chip->pwd_reg);
+                        outb(value, chip->mc_base + 9);
+                        break;
+                }
+
+        case OPTi9XX_HW_82C929:
+                outb(value, chip->mc_base + reg);
+                break;
+
+        default:
+                snd_printk(KERN_ERR "sorry, no support for %d\n", chip->hardware);
+        }
+
+        spin_unlock_irqrestore(&chip->lock, flags);
+}
+
+
+#define snd_miro_write_mask(chip, reg, value, mask)     \
+        snd_miro_write(chip, reg,                       \
+                (snd_miro_read(chip, reg) & ~(mask)) | ((value) & (mask)))
+
+/*
+ *  Proc Interface
+ */
+
+static void snd_miro_proc_read(struct snd_info_entry * entry, 
+                               struct snd_info_buffer *buffer)
+{
+        struct snd_miro *miro = (struct snd_miro *) entry->private_data;
+        char* model = "unknown";
+
+        /* miroSOUND PCM1 pro, early PCM12 */
+
+        if ((miro->hardware == OPTi9XX_HW_82C929) &&
+            (miro->aci_vendor == 'm') && 
+            (miro->aci_product == 'A')) {
+                switch(miro->aci_version) {
+                case 3:
+                        model = "miroSOUND PCM1 pro";
+                        break;
+                default:
+                        model = "miroSOUND PCM1 pro / (early) PCM12";
+                        break;
+                }
+        }
+
+        /* miroSOUND PCM12, PCM12 (Rev. E), PCM12 pnp */
+
+        if ((miro->hardware == OPTi9XX_HW_82C924) &&
+            (miro->aci_vendor == 'm') && 
+            (miro->aci_product == 'B')) {
+                switch(miro->aci_version) {
+                case 4:
+                        model = "miroSOUND PCM12";
+                        break;
+                case 176:
+                        model = "miroSOUND PCM12 (Rev. E)";
+                        break;
+                default:
+                        model = "miroSOUND PCM12 / PCM12 pnp";
+                        break;
+                }
+        }
+
+        /* miroSOUND PCM20 radio */
+
+        if ((miro->hardware == OPTi9XX_HW_82C924) &&
+            (miro->aci_vendor == 'm') && 
+            (miro->aci_product == 'C')) {
+                switch(miro->aci_version) {
+                case 7:
+                        model = "miroSOUND PCM20 radio (Rev. E)";
+                        break;
+                default:
+                        model = "miroSOUND PCM20 radio";
+                        break;
+                }
+        }
+
+        snd_iprintf(buffer, "\nGeneral information:\n");
+        snd_iprintf(buffer, "  model   : %s\n", model);
+        snd_iprintf(buffer, "  opti    : %s\n", miro->name);
+        snd_iprintf(buffer, "  codec   : %s\n", miro->pcm->name);
+        snd_iprintf(buffer, "  port    : 0x%lx\n", miro->wss_base);
+        snd_iprintf(buffer, "  irq     : %d\n", miro->irq);
+        snd_iprintf(buffer, "  dma     : %d,%d\n\n", miro->dma1, miro->dma2);
+
+        snd_iprintf(buffer, "MPU-401:\n");
+        snd_iprintf(buffer, "  port    : 0x%lx\n", miro->mpu_port);
+        snd_iprintf(buffer, "  irq     : %d\n\n", miro->mpu_irq);
+
+        snd_iprintf(buffer, "ACI information:\n");
+        snd_iprintf(buffer, "  vendor  : ");
+        switch(miro->aci_vendor) {
+        case 'm':
+                snd_iprintf(buffer, "Miro\n");
+                break;
+        default:
+                snd_iprintf(buffer, "unknown (0x%x)\n", miro->aci_vendor);
+                break;
+        }
+
+        snd_iprintf(buffer, "  product : ");
+        switch(miro->aci_product) {
+        case 'A':
+                snd_iprintf(buffer, "miroSOUND PCM1 pro / (early) PCM12\n");
+                break;
+        case 'B':
+                snd_iprintf(buffer, "miroSOUND PCM12\n");
+                break;
+        case 'C':
+                snd_iprintf(buffer, "miroSOUND PCM20 radio\n");
+                break;
+        default:
+                snd_iprintf(buffer, "unknown (0x%x)\n", miro->aci_product);
+                break;
+        }
+
+        snd_iprintf(buffer, "  firmware: %d (0x%x)\n",
+                    miro->aci_version, miro->aci_version);
+        snd_iprintf(buffer, "  port    : 0x%lx-0x%lx\n", 
+                    miro->aci_port, miro->aci_port+2);
+        snd_iprintf(buffer, "  wss     : 0x%x\n", wss);
+        snd_iprintf(buffer, "  ide     : 0x%x\n", ide);
+        snd_iprintf(buffer, "  solomode: 0x%x\n", miro->aci_solomode);
+        snd_iprintf(buffer, "  amp     : 0x%x\n", miro->aci_amp);
+        snd_iprintf(buffer, "  preamp  : 0x%x\n", miro->aci_preamp);
+}
+
+static void __init snd_miro_proc_init(struct snd_miro * miro)
+{
+        struct snd_info_entry *entry;
+
+        if (! snd_card_proc_new(miro->card, "miro", &entry))
+                snd_info_set_text_ops(entry, miro, 1024, snd_miro_proc_read);
+}
+
+/*
+ *  Init
+ */
+
+static int __init snd_miro_configure(struct snd_miro *chip)
+{
+        unsigned char wss_base_bits;
+        unsigned char irq_bits;
+        unsigned char dma_bits;
+        unsigned char mpu_port_bits = 0;
+        unsigned char mpu_irq_bits;
+        unsigned long flags;
+
+        switch (chip->hardware) {
+        case OPTi9XX_HW_82C924:
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
+                break;
+        case OPTi9XX_HW_82C929:
+                /* untested init commands for OPTi929 */
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
+                break;
+        default:
+                snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
+                return -EINVAL;
+        }
+
+        switch (chip->wss_base) {
+        case 0x530:
+                wss_base_bits = 0x00;
+                break;
+        case 0x604:
+                wss_base_bits = 0x03;
+                break;
+        case 0xe80:
+                wss_base_bits = 0x01;
+                break;
+        case 0xf40:
+                wss_base_bits = 0x02;
+                break;
+        default:
+                snd_printk(KERN_ERR "WSS port 0x%lx not valid\n", chip->wss_base);
+                goto __skip_base;
+        }
+        snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
+
+__skip_base:
+        switch (chip->irq) {
+        case 5:
+                irq_bits = 0x05;
+                break;
+        case 7:
+                irq_bits = 0x01;
+                break;
+        case 9:
+                irq_bits = 0x02;
+                break;
+        case 10:
+                irq_bits = 0x03;
+                break;
+        case 11:
+                irq_bits = 0x04;
+                break;
+        default:
+                snd_printk(KERN_ERR "WSS irq # %d not valid\n", chip->irq);
+                goto __skip_resources;
+        }
+
+        switch (chip->dma1) {
+        case 0:
+                dma_bits = 0x01;
+                break;
+        case 1:
+                dma_bits = 0x02;
+                break;
+        case 3:
+                dma_bits = 0x03;
+                break;
+        default:
+                snd_printk(KERN_ERR "WSS dma1 # %d not valid\n", chip->dma1);
+                goto __skip_resources;
+        }
+
+        if (chip->dma1 == chip->dma2) {
+                snd_printk(KERN_ERR "don't want to share dmas\n");
+                return -EBUSY;
+        }
+
+        switch (chip->dma2) {
+        case 0:
+        case 1:
+                break;
+        default:
+                snd_printk(KERN_ERR "WSS dma2 # %d not valid\n", chip->dma2);
+                goto __skip_resources;
+        }
+        dma_bits |= 0x04;
+
+        spin_lock_irqsave(&chip->lock, flags);
+        outb(irq_bits << 3 | dma_bits, chip->wss_base);
+        spin_unlock_irqrestore(&chip->lock, flags);
+
+__skip_resources:
+        if (chip->hardware > OPTi9XX_HW_82C928) {
+                switch (chip->mpu_port) {
+                case 0:
+                case -1:
+                        break;
+                case 0x300:
+                        mpu_port_bits = 0x03;
+                        break;
+                case 0x310:
+                        mpu_port_bits = 0x02;
+                        break;
+                case 0x320:
+                        mpu_port_bits = 0x01;
+                        break;
+                case 0x330:
+                        mpu_port_bits = 0x00;
+                        break;
+                default:
+                        snd_printk(KERN_ERR "MPU-401 port 0x%lx not valid\n",
+                                   chip->mpu_port);
+                        goto __skip_mpu;
+                }
+
+                switch (chip->mpu_irq) {
+                case 5:
+                        mpu_irq_bits = 0x02;
+                        break;
+                case 7:
+                        mpu_irq_bits = 0x03;
+                        break;
+                case 9:
+                        mpu_irq_bits = 0x00;
+                        break;
+                case 10:
+                        mpu_irq_bits = 0x01;
+                        break;
+                default:
+                        snd_printk(KERN_ERR "MPU-401 irq # %d not valid\n",
+                                   chip->mpu_irq);
+                        goto __skip_mpu;
+                }
+
+                snd_miro_write_mask(chip, OPTi9XX_MC_REG(6),
+                        (chip->mpu_port <= 0) ? 0x00 :
+                                0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
+                        0xf8);
+        }
+__skip_mpu:
+
+        return 0;
+}
+
+static int __init snd_card_miro_detect(struct snd_card *card, struct snd_miro *chip)
+{
+        int i, err;
+        unsigned char value;
+
+        for (i = OPTi9XX_HW_82C929; i <= OPTi9XX_HW_82C924; i++) {
+
+                if ((err = snd_miro_init(chip, i)) < 0)
+                        return err;
+
+                if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
+                        continue;
+
+                value = snd_miro_read(chip, OPTi9XX_MC_REG(1));
+                if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
+                        if (value == snd_miro_read(chip, OPTi9XX_MC_REG(1)))
+                                return 1;
+
+                release_resource(chip->res_mc_base);
+                kfree_nocheck(chip->res_mc_base);
+                chip->res_mc_base = NULL;
+
+        }
+
+        return -ENODEV;
+}
+
+static int __init snd_card_miro_aci_detect(struct snd_card *card, struct snd_miro * miro)
+{
+        unsigned char regval;
+        int i;
+
+        mutex_init(&miro->aci_mutex);
+
+        /* get ACI port from OPTi9xx MC 4 */
+
+        miro->mc_base = 0xf8c;
+        regval=inb(miro->mc_base + 4);
+        miro->aci_port = (regval & 0x10) ? 0x344: 0x354;
+
+        if ((miro->res_aci_port = request_region(miro->aci_port, 3, "miro aci")) == NULL) {
+                snd_printk(KERN_ERR "aci i/o area 0x%lx-0x%lx already used.\n", 
+                           miro->aci_port, miro->aci_port+2);
+                return -ENOMEM;
+        }
+
+        /* force ACI into a known state */
+        for (i = 0; i < 3; i++)
+                if (aci_cmd(miro, ACI_ERROR_OP, -1, -1) < 0) {
+                        snd_card_free(card);
+                        snd_printk(KERN_ERR "can't force aci into known state.\n");
+                        return -ENXIO;
+                }
+
+        if ((miro->aci_vendor=aci_cmd(miro, ACI_READ_IDCODE, -1, -1)) < 0 ||
+            (miro->aci_product=aci_cmd(miro, ACI_READ_IDCODE, -1, -1)) < 0) {
+                snd_card_free(card);
+                snd_printk(KERN_ERR "can't read aci id on 0x%lx.\n", miro->aci_port);
+                return -ENXIO;
+        }
+
+        if ((miro->aci_version=aci_cmd(miro, ACI_READ_VERSION, -1, -1)) < 0) {
+                snd_card_free(card);
+                snd_printk(KERN_ERR "can't read aci version on 0x%lx.\n", 
+                           miro->aci_port);
+                return -ENXIO;
+        }
+
+        if (aci_cmd(miro, ACI_INIT, -1, -1) < 0 ||
+            aci_cmd(miro, ACI_ERROR_OP, ACI_ERROR_OP, ACI_ERROR_OP) < 0 ||
+            aci_cmd(miro, ACI_ERROR_OP, ACI_ERROR_OP, ACI_ERROR_OP) < 0) {
+                snd_printk(KERN_ERR "can't initialize aci.\n"); 
+                return -ENXIO;
+        }
+
+        return 0;
+}
+
+static void snd_card_miro_free(struct snd_card *card)
+{
+        struct snd_miro *miro = card->private_data;
+        
+        release_and_free_resource(miro->res_aci_port);
+        release_and_free_resource(miro->res_mc_base);
+}
+
+static int __init snd_miro_probe(struct platform_device *devptr)
+{
+        static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
+        static long possible_mpu_ports[] = {0x330, 0x300, 0x310, 0x320, -1};
+        static int possible_irqs[] = {11, 9, 10, 7, -1};
+        static int possible_mpu_irqs[] = {10, 5, 9, 7, -1};
+        static int possible_dma1s[] = {3, 1, 0, -1};
+        static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
+
+        int error;
+        struct snd_miro *miro;
+        struct snd_cs4231 *codec;
+        struct snd_timer *timer;
+        struct snd_card *card;
+        struct snd_pcm *pcm;
+        struct snd_rawmidi *rmidi;
+
+        if (!(card = snd_card_new(index, id, THIS_MODULE,
+                                  sizeof(struct snd_miro))))
+                return -ENOMEM;
+
+        card->private_free = snd_card_miro_free;
+        miro = card->private_data;
+        miro->card = card;
+
+        if ((error = snd_card_miro_aci_detect(card, miro)) < 0) {
+                snd_card_free(card);
+                snd_printk(KERN_ERR "unable to detect aci chip\n");
+                return -ENODEV;
+        }
+
+        /* init proc interface */
+        snd_miro_proc_init(miro);
+
+        if ((error = snd_card_miro_detect(card, miro)) < 0) {
+                snd_card_free(card);
+                snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
+                return -ENODEV;
+        }
+
+        if (! miro->res_mc_base &&
+            (miro->res_mc_base = request_region(miro->mc_base, miro->mc_base_size,
+                                                "miro (OPTi9xx MC)")) == NULL) {
+                snd_card_free(card);
+                snd_printk(KERN_ERR "request for OPTI9xx MC failed\n");
+                return -ENOMEM;
+        }
+
+        miro->wss_base = port;
+        miro->fm_port = fm_port;
+        miro->mpu_port = mpu_port;
+        miro->irq = irq;
+        miro->mpu_irq = mpu_irq;
+        miro->dma1 = dma1;
+        miro->dma2 = dma2;
+
+        if (miro->wss_base == SNDRV_AUTO_PORT) {
+                if ((miro->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
+                        snd_card_free(card);
+                        snd_printk(KERN_ERR "unable to find a free WSS port\n");
+                        return -EBUSY;
+                }
+        }
+
+        if (miro->mpu_port == SNDRV_AUTO_PORT) {
+                if ((miro->mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
+                        snd_card_free(card);
+                        snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
+                        return -EBUSY;
+                }
+        }
+        if (miro->irq == SNDRV_AUTO_IRQ) {
+                if ((miro->irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
+                        snd_card_free(card);
+                        snd_printk(KERN_ERR "unable to find a free IRQ\n");
+                        return -EBUSY;
+                }
+        }
+        if (miro->mpu_irq == SNDRV_AUTO_IRQ) {
+                if ((miro->mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
+                        snd_card_free(card);
+                        snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
+                        return -EBUSY;
+                }
+        }
+        if (miro->dma1 == SNDRV_AUTO_DMA) {
+                if ((miro->dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
+                        snd_card_free(card);
+                        snd_printk(KERN_ERR "unable to find a free DMA1\n");
+                        return -EBUSY;
+                }
+        }
+        if (miro->dma2 == SNDRV_AUTO_DMA) {
+                if ((miro->dma2 = snd_legacy_find_free_dma(possible_dma2s[miro->dma1 % 4])) < 0) {
+                        snd_card_free(card);
+                        snd_printk(KERN_ERR "unable to find a free DMA2\n");
+                        return -EBUSY;
+                }
+        }
+
+        if ((error = snd_miro_configure(miro))) {
+                snd_card_free(card);
+                return error;
+        }
+
+        if ((error = snd_cs4231_create(card, miro->wss_base + 4, -1,
+                                       miro->irq, miro->dma1, miro->dma2,
+                                       CS4231_HW_AD1845,
+                                       0,
+                                       &codec)) < 0) {
+                snd_card_free(card);
+                return error;
+        }
+
+        if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0) {
+                snd_card_free(card);
+                return error;
+        }
+        if ((error = snd_cs4231_mixer(codec)) < 0) {
+                snd_card_free(card);
+                return error;
+        }
+        if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0) {
+                snd_card_free(card);
+                return error;
+        }
+
+        miro->pcm = pcm;
+
+        if ((error = snd_miro_mixer(miro)) < 0) {
+                snd_card_free(card);
+                return error;
+        }
+
+        if (miro->aci_vendor == 'm') {
+                /* It looks like a miro sound card. */
+                switch (miro->aci_product) {
+                case 'A':
+                        sprintf(card->shortname, 
+                                "miroSOUND PCM1 pro / PCM12");
+                        break;
+                case 'B':
+                        sprintf(card->shortname, 
+                                "miroSOUND PCM12");
+                        break;
+                case 'C':
+                        sprintf(card->shortname, 
+                                "miroSOUND PCM20 radio");
+                        break;
+                default:
+                        sprintf(card->shortname, 
+                                "unknown miro");
+                        snd_printk(KERN_INFO "unknown miro aci id\n");
+                        break;
+                }
+        } else {
+                snd_printk(KERN_INFO "found unsupported aci card\n");
+                sprintf(card->shortname, "unknown Cardinal Technologies");
+        }
+
+        strcpy(card->driver, "miro");
+        sprintf(card->longname, "%s: OPTi%s, %s at 0x%lx, irq %d, dma %d&%d",
+                card->shortname, miro->name, pcm->name, miro->wss_base + 4,
+                miro->irq, miro->dma1, miro->dma2);
+
+        if (miro->mpu_port <= 0 || miro->mpu_port == SNDRV_AUTO_PORT)
+                rmidi = NULL;
+        else
+                if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
+                                miro->mpu_port, 0, miro->mpu_irq, SA_INTERRUPT,
+                                &rmidi)))
+                        snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n", miro->mpu_port);
+
+        if (miro->fm_port > 0 && miro->fm_port != SNDRV_AUTO_PORT) {
+                struct snd_opl3 *opl3 = NULL;
+                struct snd_opl4 *opl4;
+                if (snd_opl4_create(card, miro->fm_port, miro->fm_port - 8, 
+                                    2, &opl3, &opl4) < 0)
+                        snd_printk(KERN_WARNING "no OPL4 device at 0x%lx\n", miro->fm_port);
+        }
+
+        if ((error = snd_set_aci_init_values(miro)) < 0) {
+                snd_card_free(card);
+                return error;
+        }
+
+        snd_card_set_dev(card, &devptr->dev);
+
+        if ((error = snd_card_register(card))) {
+                snd_card_free(card);
+                return error;
+        }
+
+        platform_set_drvdata(devptr, card);
+        return 0;
+}
+
+static int __devexit snd_miro_remove(struct platform_device *devptr)
+{
+        snd_card_free(platform_get_drvdata(devptr));
+        platform_set_drvdata(devptr, NULL);
+        return 0;
+}
+
+static struct platform_driver snd_miro_driver = {
+        .probe          = snd_miro_probe,
+        .remove         = __devexit_p(snd_miro_remove),
+        /* FIXME: suspend/resume */
+        .driver         = {
+                .name   = DRIVER_NAME
+        },
+};
+
+static int __init alsa_card_miro_init(void)
+{
+        int error;
+
+        if ((error = platform_driver_register(&snd_miro_driver)) < 0)
+                return error;
+        device = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
+        if (! IS_ERR(device))
+                return 0;
+#ifdef MODULE
+        printk(KERN_ERR "no miro soundcard found\n");
+#endif
+        platform_driver_unregister(&snd_miro_driver);
+        return PTR_ERR(device);
+}
+
+static void __exit alsa_card_miro_exit(void)
+{
+        platform_device_unregister(device);
+        platform_driver_unregister(&snd_miro_driver);
+}
+
+module_init(alsa_card_miro_init)
+module_exit(alsa_card_miro_exit)