Merge branch 'fix/hda' into for-linus
[safe/jmp/linux-2.6] / sound / isa / sscape.c
index 06ad786..e2d5d2d 100644 (file)
@@ -1,5 +1,5 @@
 /*
- *   Low-level ALSA driver for the ENSONIQ SoundScape PnP
+ *   Low-level ALSA driver for the ENSONIQ SoundScape
  *   Copyright (c) by Chris Rankin
  *
  *   This driver was written in part using information obtained from
 #include <linux/err.h>
 #include <linux/isa.h>
 #include <linux/delay.h>
+#include <linux/firmware.h>
 #include <linux/pnp.h>
 #include <linux/spinlock.h>
 #include <linux/moduleparam.h>
 #include <asm/dma.h>
 #include <sound/core.h>
-#include <sound/hwdep.h>
-#include <sound/cs4231.h>
+#include <sound/wss.h>
 #include <sound/mpu401.h>
 #include <sound/initval.h>
 
-#include <sound/sscape_ioctl.h>
-
 
 MODULE_AUTHOR("Chris Rankin");
-MODULE_DESCRIPTION("ENSONIQ SoundScape PnP driver");
+MODULE_DESCRIPTION("ENSONIQ SoundScape driver");
 MODULE_LICENSE("GPL");
-
-static int index[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_IDX;
-static char* id[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_STR;
-static long port[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_PORT;
-static long wss_port[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_PORT;
-static int irq[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_IRQ;
-static int mpu_irq[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_IRQ;
-static int dma[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_DMA;
-static int dma2[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_DMA;
+MODULE_FIRMWARE("sndscape.co0");
+MODULE_FIRMWARE("sndscape.co1");
+MODULE_FIRMWARE("sndscape.co2");
+MODULE_FIRMWARE("sndscape.co3");
+MODULE_FIRMWARE("sndscape.co4");
+MODULE_FIRMWARE("scope.cod");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
+static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
+static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
+static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
+static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
+static bool joystick[SNDRV_CARDS];
 
 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index number for SoundScape soundcard");
@@ -75,6 +80,9 @@ MODULE_PARM_DESC(dma, "DMA # for SoundScape driver.");
 module_param_array(dma2, int, NULL, 0444);
 MODULE_PARM_DESC(dma2, "DMA2 # for SoundScape driver.");
 
+module_param_array(joystick, bool, NULL, 0444);
+MODULE_PARM_DESC(joystick, "Enable gameport.");
+
 #ifdef CONFIG_PNP
 static int isa_registered;
 static int pnp_registered;
@@ -89,9 +97,6 @@ MODULE_DEVICE_TABLE(pnp_card, sscape_pnpids);
 #endif
 
 
-#define MPU401_IO(i)     ((i) + 0)
-#define MIDI_DATA_IO(i)  ((i) + 0)
-#define MIDI_CTRL_IO(i)  ((i) + 1)
 #define HOST_CTRL_IO(i)  ((i) + 2)
 #define HOST_DATA_IO(i)  ((i) + 3)
 #define ODIE_ADDR_IO(i)  ((i) + 4)
@@ -104,14 +109,14 @@ MODULE_DEVICE_TABLE(pnp_card, sscape_pnpids);
 #define RX_READY 0x01
 #define TX_READY 0x02
 
-#define CMD_ACK           0x80
-#define CMD_SET_MIDI_VOL  0x84
-#define CMD_GET_MIDI_VOL  0x85
-#define CMD_XXX_MIDI_VOL  0x86
-#define CMD_SET_EXTMIDI   0x8a
-#define CMD_GET_EXTMIDI   0x8b
-#define CMD_SET_MT32      0x8c
-#define CMD_GET_MT32      0x8d
+#define CMD_ACK                        0x80
+#define CMD_SET_MIDI_VOL       0x84
+#define CMD_GET_MIDI_VOL       0x85
+#define CMD_XXX_MIDI_VOL       0x86
+#define CMD_SET_EXTMIDI                0x8a
+#define CMD_GET_EXTMIDI                0x8b
+#define CMD_SET_MT32           0x8c
+#define CMD_GET_MT32           0x8d
 
 enum GA_REG {
        GA_INTSTAT_REG = 0,
@@ -129,11 +134,9 @@ enum GA_REG {
 #define DMA_8BIT  0x80
 
 
-#define AD1845_FREQ_SEL_MSB    0x16
-#define AD1845_FREQ_SEL_LSB    0x17
-
 enum card_type {
-       SSCAPE,
+       MEDIA_FX,       /* Sequoia S-1000 */
+       SSCAPE,         /* Sequoia S-2000 */
        SSCAPE_PNP,
        SSCAPE_VIVO,
 };
@@ -141,23 +144,12 @@ enum card_type {
 struct soundscape {
        spinlock_t lock;
        unsigned io_base;
-       unsigned wss_base;
-       int codec_type;
        int ic_type;
        enum card_type type;
        struct resource *io_res;
        struct resource *wss_res;
-       struct snd_cs4231 *chip;
-       struct snd_mpu401 *mpu;
-       struct snd_hwdep *hw;
+       struct snd_wss *chip;
 
-       /*
-        * The MIDI device won't work until we've loaded
-        * its firmware via a hardware-dependent device IOCTL
-        */
-       spinlock_t fwlock;
-       int hw_in_use;
-       unsigned long midi_usage;
        unsigned char midi_vol;
 };
 
@@ -169,28 +161,21 @@ static inline struct soundscape *get_card_soundscape(struct snd_card *c)
        return (struct soundscape *) (c->private_data);
 }
 
-static inline struct soundscape *get_mpu401_soundscape(struct snd_mpu401 * mpu)
-{
-       return (struct soundscape *) (mpu->private_data);
-}
-
-static inline struct soundscape *get_hwdep_soundscape(struct snd_hwdep * hw)
-{
-       return (struct soundscape *) (hw->private_data);
-}
-
-
 /*
  * Allocates some kernel memory that we can use for DMA.
  * I think this means that the memory has to map to
  * contiguous pages of physical memory.
  */
-static struct snd_dma_buffer *get_dmabuf(struct snd_dma_buffer *buf, unsigned long size)
+static struct snd_dma_buffer *get_dmabuf(struct snd_dma_buffer *buf,
+                                        unsigned long size)
 {
        if (buf) {
-               if (snd_dma_alloc_pages_fallback(SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(),
+               if (snd_dma_alloc_pages_fallback(SNDRV_DMA_TYPE_DEV,
+                                                snd_dma_isa_data(),
                                                 size, buf) < 0) {
-                       snd_printk(KERN_ERR "sscape: Failed to allocate %lu bytes for DMA\n", size);
+                       snd_printk(KERN_ERR "sscape: Failed to allocate "
+                                           "%lu bytes for DMA\n",
+                                           size);
                        return NULL;
                }
        }
@@ -207,13 +192,13 @@ static void free_dmabuf(struct snd_dma_buffer *buf)
                snd_dma_free_pages(buf);
 }
 
-
 /*
  * This function writes to the SoundScape's control registers,
  * but doesn't do any locking. It's up to the caller to do that.
  * This is why this function is "unsafe" ...
  */
-static inline void sscape_write_unsafe(unsigned io_base, enum GA_REG reg, unsigned char val)
+static inline void sscape_write_unsafe(unsigned io_base, enum GA_REG reg,
+                                      unsigned char val)
 {
        outb(reg, ODIE_ADDR_IO(io_base));
        outb(val, ODIE_DATA_IO(io_base));
@@ -223,7 +208,8 @@ static inline void sscape_write_unsafe(unsigned io_base, enum GA_REG reg, unsign
  * Write to the SoundScape's control registers, and do the
  * necessary locking ...
  */
-static void sscape_write(struct soundscape *s, enum GA_REG reg, unsigned char val)
+static void sscape_write(struct soundscape *s, enum GA_REG reg,
+                        unsigned char val)
 {
        unsigned long flags;
 
@@ -236,7 +222,8 @@ static void sscape_write(struct soundscape *s, enum GA_REG reg, unsigned char va
  * Read from the SoundScape's control registers, but leave any
  * locking to the caller. This is why the function is "unsafe" ...
  */
-static inline unsigned char sscape_read_unsafe(unsigned io_base, enum GA_REG reg)
+static inline unsigned char sscape_read_unsafe(unsigned io_base,
+                                              enum GA_REG reg)
 {
        outb(reg, ODIE_ADDR_IO(io_base));
        return inb(ODIE_DATA_IO(io_base));
@@ -265,9 +252,8 @@ static inline void set_midi_mode_unsafe(unsigned io_base)
 static inline int host_read_unsafe(unsigned io_base)
 {
        int data = -1;
-       if ((inb(HOST_CTRL_IO(io_base)) & RX_READY) != 0) {
+       if ((inb(HOST_CTRL_IO(io_base)) & RX_READY) != 0)
                data = inb(HOST_DATA_IO(io_base));
-       }
 
        return data;
 }
@@ -309,7 +295,7 @@ static inline int host_write_unsafe(unsigned io_base, unsigned char data)
  * Also leaves all locking-issues to the caller ...
  */
 static int host_write_ctrl_unsafe(unsigned io_base, unsigned char data,
-                                  unsigned timeout)
+                                 unsigned timeout)
 {
        int err;
 
@@ -328,17 +314,17 @@ static int host_write_ctrl_unsafe(unsigned io_base, unsigned char data,
  *
  * NOTE: This check is based upon observation, not documentation.
  */
-static inline int verify_mpu401(const struct snd_mpu401 * mpu)
+static inline int verify_mpu401(const struct snd_mpu401 *mpu)
 {
-       return ((inb(MIDI_CTRL_IO(mpu->port)) & 0xc0) == 0x80);
+       return ((inb(MPU401C(mpu)) & 0xc0) == 0x80);
 }
 
 /*
  * This is apparently the standard way to initailise an MPU-401
  */
-static inline void initialise_mpu401(const struct snd_mpu401 * mpu)
+static inline void initialise_mpu401(const struct snd_mpu401 *mpu)
 {
-       outb(0, MIDI_DATA_IO(mpu->port));
+       outb(0, MPU401D(mpu));
 }
 
 /*
@@ -346,9 +332,10 @@ static inline void initialise_mpu401(const struct snd_mpu401 * mpu)
  * The AD1845 detection fails if we *don't* do this, so I
  * think that this is a good idea ...
  */
-static inline void activate_ad1845_unsafe(unsigned io_base)
+static void activate_ad1845_unsafe(unsigned io_base)
 {
-       sscape_write_unsafe(io_base, GA_HMCTL_REG, (sscape_read_unsafe(io_base, GA_HMCTL_REG) & 0xcf) | 0x10);
+       unsigned char val = sscape_read_unsafe(io_base, GA_HMCTL_REG);
+       sscape_write_unsafe(io_base, GA_HMCTL_REG, (val & 0xcf) | 0x10);
        sscape_write_unsafe(io_base, GA_CDCFG_REG, 0x80);
 }
 
@@ -367,24 +354,27 @@ static void soundscape_free(struct snd_card *c)
  * Tell the SoundScape to begin a DMA tranfer using the given channel.
  * All locking issues are left to the caller.
  */
-static inline void sscape_start_dma_unsafe(unsigned io_base, enum GA_REG reg)
+static void sscape_start_dma_unsafe(unsigned io_base, enum GA_REG reg)
 {
-       sscape_write_unsafe(io_base, reg, sscape_read_unsafe(io_base, reg) | 0x01);
-       sscape_write_unsafe(io_base, reg, sscape_read_unsafe(io_base, reg) & 0xfe);
+       sscape_write_unsafe(io_base, reg,
+                           sscape_read_unsafe(io_base, reg) | 0x01);
+       sscape_write_unsafe(io_base, reg,
+                           sscape_read_unsafe(io_base, reg) & 0xfe);
 }
 
 /*
  * Wait for a DMA transfer to complete. This is a "limited busy-wait",
  * and all locking issues are left to the caller.
  */
-static int sscape_wait_dma_unsafe(unsigned io_base, enum GA_REG reg, unsigned timeout)
+static int sscape_wait_dma_unsafe(unsigned io_base, enum GA_REG reg,
+                                 unsigned timeout)
 {
        while (!(sscape_read_unsafe(io_base, reg) & 0x01) && (timeout != 0)) {
                udelay(100);
                --timeout;
        } /* while */
 
-       return (sscape_read_unsafe(io_base, reg) & 0x01);
+       return sscape_read_unsafe(io_base, reg) & 0x01;
 }
 
 /*
@@ -396,20 +386,20 @@ static int sscape_wait_dma_unsafe(unsigned io_base, enum GA_REG reg, unsigned ti
  */
 static int obp_startup_ack(struct soundscape *s, unsigned timeout)
 {
-       while (timeout != 0) {
-               unsigned long flags;
-               unsigned char x;
+       unsigned long end_time = jiffies + msecs_to_jiffies(timeout);
 
-               schedule_timeout_uninterruptible(1);
+       do {
+               unsigned long flags;
+               int x;
 
                spin_lock_irqsave(&s->lock, flags);
-               x = inb(HOST_DATA_IO(s->io_base));
+               x = host_read_unsafe(s->io_base);
                spin_unlock_irqrestore(&s->lock, flags);
-               if ((x & 0xfe) == 0xfe)
+               if (x == 0xfe || x == 0xff)
                        return 1;
 
-               --timeout;
-       } /* while */
+               msleep(10);
+       } while (time_before(jiffies, end_time));
 
        return 0;
 }
@@ -423,20 +413,20 @@ static int obp_startup_ack(struct soundscape *s, unsigned timeout)
  */
 static int host_startup_ack(struct soundscape *s, unsigned timeout)
 {
-       while (timeout != 0) {
-               unsigned long flags;
-               unsigned char x;
+       unsigned long end_time = jiffies + msecs_to_jiffies(timeout);
 
-               schedule_timeout_uninterruptible(1);
+       do {
+               unsigned long flags;
+               int x;
 
                spin_lock_irqsave(&s->lock, flags);
-               x = inb(HOST_DATA_IO(s->io_base));
+               x = host_read_unsafe(s->io_base);
                spin_unlock_irqrestore(&s->lock, flags);
                if (x == 0xfe)
                        return 1;
 
-               --timeout;
-       } /* while */
+               msleep(10);
+       } while (time_before(jiffies, end_time));
 
        return 0;
 }
@@ -444,15 +434,15 @@ static int host_startup_ack(struct soundscape *s, unsigned timeout)
 /*
  * Upload a byte-stream into the SoundScape using DMA channel A.
  */
-static int upload_dma_data(struct soundscape *s,
-                           const unsigned char __user *data,
-                           size_t size)
+static int upload_dma_data(struct soundscape *s, const unsigned char *data,
+                          size_t size)
 {
        unsigned long flags;
        struct snd_dma_buffer dma;
        int ret;
+       unsigned char val;
 
-       if (!get_dmabuf(&dma, PAGE_ALIGN(size)))
+       if (!get_dmabuf(&dma, PAGE_ALIGN(32 * 1024)))
                return -ENOMEM;
 
        spin_lock_irqsave(&s->lock, flags);
@@ -460,70 +450,57 @@ static int upload_dma_data(struct soundscape *s,
        /*
         * Reset the board ...
         */
-       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f);
+       val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
+       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val & 0x3f);
 
        /*
         * Enable the DMA channels and configure them ...
         */
-       sscape_write_unsafe(s->io_base, GA_DMACFG_REG, 0x50);
-       sscape_write_unsafe(s->io_base, GA_DMAA_REG, (s->chip->dma1 << 4) | DMA_8BIT);
+       val = (s->chip->dma1 << 4) | DMA_8BIT;
+       sscape_write_unsafe(s->io_base, GA_DMAA_REG, val);
        sscape_write_unsafe(s->io_base, GA_DMAB_REG, 0x20);
 
        /*
         * Take the board out of reset ...
         */
-       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) | 0x80);
+       val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
+       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val | 0x80);
 
        /*
-        * Upload the user's data (firmware?) to the SoundScape
+        * Upload the firmware to the SoundScape
         * board through the DMA channel ...
         */
        while (size != 0) {
                unsigned long len;
 
-               /*
-                * Apparently, copying to/from userspace can sleep.
-                * We are therefore forbidden from holding any
-                * spinlocks while we copy ...
-                */
-               spin_unlock_irqrestore(&s->lock, flags);
-
-               /*
-                * Remember that the data that we want to DMA
-                * comes from USERSPACE. We have already verified
-                * the userspace pointer ...
-                */
                len = min(size, dma.bytes);
-               len -= __copy_from_user(dma.area, data, len);
+               memcpy(dma.area, data, len);
                data += len;
                size -= len;
 
-               /*
-                * Grab that spinlock again, now that we've
-                * finished copying!
-                */
-               spin_lock_irqsave(&s->lock, flags);
-
                snd_dma_program(s->chip->dma1, dma.addr, len, DMA_MODE_WRITE);
                sscape_start_dma_unsafe(s->io_base, GA_DMAA_REG);
                if (!sscape_wait_dma_unsafe(s->io_base, GA_DMAA_REG, 5000)) {
                        /*
-                        * Don't forget to release this spinlock we're holding ...
+                        * Don't forget to release this spinlock we're holding
                         */
                        spin_unlock_irqrestore(&s->lock, flags);
 
-                       snd_printk(KERN_ERR "sscape: DMA upload has timed out\n");
+                       snd_printk(KERN_ERR
+                                       "sscape: DMA upload has timed out\n");
                        ret = -EAGAIN;
                        goto _release_dma;
                }
        } /* while */
 
        set_host_mode_unsafe(s->io_base);
+       outb(0x0, s->io_base);
 
        /*
         * Boot the board ... (I think)
         */
-       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) | 0x40);
+       val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
+       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val | 0x40);
        spin_unlock_irqrestore(&s->lock, flags);
 
        /*
@@ -532,11 +509,13 @@ static int upload_dma_data(struct soundscape *s,
         * give it 5 seconds (max) ...
         */
        ret = 0;
-       if (!obp_startup_ack(s, 5)) {
-               snd_printk(KERN_ERR "sscape: No response from on-board processor after upload\n");
+       if (!obp_startup_ack(s, 5000)) {
+               snd_printk(KERN_ERR "sscape: No response "
+                                   "from on-board processor after upload\n");
                ret = -EAGAIN;
-       } else if (!host_startup_ack(s, 5)) {
-               snd_printk(KERN_ERR "sscape: SoundScape failed to initialise\n");
+       } else if (!host_startup_ack(s, 5000)) {
+               snd_printk(KERN_ERR
+                               "sscape: SoundScape failed to initialise\n");
                ret = -EAGAIN;
        }
 
@@ -544,7 +523,7 @@ _release_dma:
        /*
         * NOTE!!! We are NOT holding any spinlocks at this point !!!
         */
-       sscape_write(s, GA_DMAA_REG, (s->ic_type == IC_ODIE ? 0x70 : 0x40));
+       sscape_write(s, GA_DMAA_REG, (s->ic_type == IC_OPUS ? 0x40 : 0x70));
        free_dmabuf(&dma);
 
        return ret;
@@ -554,167 +533,76 @@ _release_dma:
  * Upload the bootblock(?) into the SoundScape. The only
  * purpose of this block of code seems to be to tell
  * us which version of the microcode we should be using.
- *
- * NOTE: The boot-block data resides in USER-SPACE!!!
- *       However, we have already verified its memory
- *       addresses by the time we get here.
  */
-static int sscape_upload_bootblock(struct soundscape *sscape, struct sscape_bootblock __user *bb)
+static int sscape_upload_bootblock(struct snd_card *card)
 {
+       struct soundscape *sscape = get_card_soundscape(card);
        unsigned long flags;
+       const struct firmware *init_fw = NULL;
        int data = 0;
        int ret;
 
-       ret = upload_dma_data(sscape, bb->code, sizeof(bb->code));
-
-       spin_lock_irqsave(&sscape->lock, flags);
-       if (ret == 0) {
-               data = host_read_ctrl_unsafe(sscape->io_base, 100);
+       ret = request_firmware(&init_fw, "scope.cod", card->dev);
+       if (ret < 0) {
+               snd_printk(KERN_ERR "sscape: Error loading scope.cod");
+               return ret;
        }
-       set_midi_mode_unsafe(sscape->io_base);
-       spin_unlock_irqrestore(&sscape->lock, flags);
+       ret = upload_dma_data(sscape, init_fw->data, init_fw->size);
 
-       if (ret == 0) {
-               if (data < 0) {
-                       snd_printk(KERN_ERR "sscape: timeout reading firmware version\n");
-                       ret = -EAGAIN;
-               }
-               else if (__copy_to_user(&bb->version, &data, sizeof(bb->version))) {
-                       ret = -EFAULT;
-               }
-       }
-
-       return ret;
-}
+       release_firmware(init_fw);
 
-/*
- * Upload the microcode into the SoundScape. The
- * microcode is 64K of data, and if we try to copy
- * it into a local variable then we will SMASH THE
- * KERNEL'S STACK! We therefore leave it in USER
- * SPACE, and save ourselves from copying it at all.
- */
-static int sscape_upload_microcode(struct soundscape *sscape,
-                                   const struct sscape_microcode __user *mc)
-{
-       unsigned long flags;
-       char __user *code;
-       int err;
-
-       /*
-        * We are going to have to copy this data into a special
-        * DMA-able buffer before we can upload it. We shall therefore
-        * just check that the data pointer is valid for now.
-        *
-        * NOTE: This buffer is 64K long! That's WAY too big to
-        *       copy into a stack-temporary anyway.
-        */
-       if ( get_user(code, &mc->code) ||
-            !access_ok(VERIFY_READ, code, SSCAPE_MICROCODE_SIZE) )
-               return -EFAULT;
+       spin_lock_irqsave(&sscape->lock, flags);
+       if (ret == 0)
+               data = host_read_ctrl_unsafe(sscape->io_base, 100);
 
-       if ((err = upload_dma_data(sscape, code, SSCAPE_MICROCODE_SIZE)) == 0) {
-               snd_printk(KERN_INFO "sscape: MIDI firmware loaded\n");
-       }
+       if (data & 0x10)
+               sscape_write_unsafe(sscape->io_base, GA_SMCFGA_REG, 0x2f);
 
-       spin_lock_irqsave(&sscape->lock, flags);
-       set_midi_mode_unsafe(sscape->io_base);
        spin_unlock_irqrestore(&sscape->lock, flags);
 
-       initialise_mpu401(sscape->mpu);
+       data &= 0xf;
+       if (ret == 0 && data > 7) {
+               snd_printk(KERN_ERR
+                               "sscape: timeout reading firmware version\n");
+               ret = -EAGAIN;
+       }
 
-       return err;
+       return (ret == 0) ? data : ret;
 }
 
 /*
- * Hardware-specific device functions, to implement special
- * IOCTLs for the SoundScape card. This is how we upload
- * the microcode into the card, for example, and so we
- * must ensure that no two processes can open this device
- * simultaneously, and that we can't open it at all if
- * someone is using the MIDI device.
+ * Upload the microcode into the SoundScape.
  */
-static int sscape_hw_open(struct snd_hwdep * hw, struct file *file)
+static int sscape_upload_microcode(struct snd_card *card, int version)
 {
-       register struct soundscape *sscape = get_hwdep_soundscape(hw);
-       unsigned long flags;
+       struct soundscape *sscape = get_card_soundscape(card);
+       const struct firmware *init_fw = NULL;
+       char name[14];
        int err;
 
-       spin_lock_irqsave(&sscape->fwlock, flags);
+       snprintf(name, sizeof(name), "sndscape.co%d", version);
 
-       if ((sscape->midi_usage != 0) || sscape->hw_in_use) {
-               err = -EBUSY;
-       } else {
-               sscape->hw_in_use = 1;
-               err = 0;
+       err = request_firmware(&init_fw, name, card->dev);
+       if (err < 0) {
+               snd_printk(KERN_ERR "sscape: Error loading sndscape.co%d",
+                               version);
+               return err;
        }
+       err = upload_dma_data(sscape, init_fw->data, init_fw->size);
+       if (err == 0)
+               snd_printk(KERN_INFO "sscape: MIDI firmware loaded %d KBs\n",
+                               init_fw->size >> 10);
 
-       spin_unlock_irqrestore(&sscape->fwlock, flags);
-       return err;
-}
-
-static int sscape_hw_release(struct snd_hwdep * hw, struct file *file)
-{
-       register struct soundscape *sscape = get_hwdep_soundscape(hw);
-       unsigned long flags;
-
-       spin_lock_irqsave(&sscape->fwlock, flags);
-       sscape->hw_in_use = 0;
-       spin_unlock_irqrestore(&sscape->fwlock, flags);
-       return 0;
-}
-
-static int sscape_hw_ioctl(struct snd_hwdep * hw, struct file *file,
-                           unsigned int cmd, unsigned long arg)
-{
-       struct soundscape *sscape = get_hwdep_soundscape(hw);
-       int err = -EBUSY;
-
-       switch (cmd) {
-       case SND_SSCAPE_LOAD_BOOTB:
-               {
-                       register struct sscape_bootblock __user *bb = (struct sscape_bootblock __user *) arg;
-
-                       /*
-                        * We are going to have to copy this data into a special
-                        * DMA-able buffer before we can upload it. We shall therefore
-                        * just check that the data pointer is valid for now ...
-                        */
-                       if ( !access_ok(VERIFY_READ, bb->code, sizeof(bb->code)) )
-                               return -EFAULT;
-
-                       /*
-                        * Now check that we can write the firmware version number too...
-                        */
-                       if ( !access_ok(VERIFY_WRITE, &bb->version, sizeof(bb->version)) )
-                               return -EFAULT;
-
-                       err = sscape_upload_bootblock(sscape, bb);
-               }
-               break;
-
-       case SND_SSCAPE_LOAD_MCODE:
-               {
-                       register const struct sscape_microcode __user *mc = (const struct sscape_microcode __user *) arg;
-
-                       err = sscape_upload_microcode(sscape, mc);
-               }
-               break;
-
-       default:
-               err = -EINVAL;
-               break;
-       } /* switch */
+       release_firmware(init_fw);
 
        return err;
 }
 
-
 /*
  * Mixer control for the SoundScape's MIDI device.
  */
 static int sscape_midi_info(struct snd_kcontrol *ctl,
-                            struct snd_ctl_elem_info *uinfo)
+                           struct snd_ctl_elem_info *uinfo)
 {
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
        uinfo->count = 1;
@@ -724,36 +612,32 @@ static int sscape_midi_info(struct snd_kcontrol *ctl,
 }
 
 static int sscape_midi_get(struct snd_kcontrol *kctl,
-                           struct snd_ctl_elem_value *uctl)
+                          struct snd_ctl_elem_value *uctl)
 {
-       struct snd_cs4231 *chip = snd_kcontrol_chip(kctl);
+       struct snd_wss *chip = snd_kcontrol_chip(kctl);
        struct snd_card *card = chip->card;
        register struct soundscape *s = get_card_soundscape(card);
        unsigned long flags;
 
        spin_lock_irqsave(&s->lock, flags);
-       set_host_mode_unsafe(s->io_base);
-
-       if (host_write_ctrl_unsafe(s->io_base, CMD_GET_MIDI_VOL, 100)) {
-               uctl->value.integer.value[0] = host_read_ctrl_unsafe(s->io_base, 100);
-       }
-
-       set_midi_mode_unsafe(s->io_base);
+       uctl->value.integer.value[0] = s->midi_vol;
        spin_unlock_irqrestore(&s->lock, flags);
        return 0;
 }
 
 static int sscape_midi_put(struct snd_kcontrol *kctl,
-                           struct snd_ctl_elem_value *uctl)
+                          struct snd_ctl_elem_value *uctl)
 {
-       struct snd_cs4231 *chip = snd_kcontrol_chip(kctl);
+       struct snd_wss *chip = snd_kcontrol_chip(kctl);
        struct snd_card *card = chip->card;
-       register struct soundscape *s = get_card_soundscape(card);
+       struct soundscape *s = get_card_soundscape(card);
        unsigned long flags;
        int change;
+       unsigned char new_val;
 
        spin_lock_irqsave(&s->lock, flags);
 
+       new_val = uctl->value.integer.value[0] & 127;
        /*
         * We need to put the board into HOST mode before we
         * can send any volume-changing HOST commands ...
@@ -766,14 +650,16 @@ static int sscape_midi_put(struct snd_kcontrol *kctl,
         * and then perform another volume-related command. Perhaps the
         * first command is an "open" and the second command is a "close"?
         */
-       if (s->midi_vol == ((unsigned char) uctl->value.integer. value[0] & 127)) {
+       if (s->midi_vol == new_val) {
                change = 0;
                goto __skip_change;
        }
-       change = (host_write_ctrl_unsafe(s->io_base, CMD_SET_MIDI_VOL, 100)
-                 && host_write_ctrl_unsafe(s->io_base, ((unsigned char) uctl->value.integer. value[0]) & 127, 100)
-                 && host_write_ctrl_unsafe(s->io_base, CMD_XXX_MIDI_VOL, 100));
-      __skip_change:
+       change = host_write_ctrl_unsafe(s->io_base, CMD_SET_MIDI_VOL, 100)
+                && host_write_ctrl_unsafe(s->io_base, new_val, 100)
+                && host_write_ctrl_unsafe(s->io_base, CMD_XXX_MIDI_VOL, 100)
+                && host_write_ctrl_unsafe(s->io_base, new_val, 100);
+       s->midi_vol = new_val;
+__skip_change:
 
        /*
         * Take the board out of HOST mode and back into MIDI mode ...
@@ -797,30 +683,34 @@ static struct snd_kcontrol_new midi_mixer_ctl = {
  * These IRQs are encoded as bit patterns so that they can be
  * written to the control registers.
  */
-static unsigned __devinit get_irq_config(int irq)
+static unsigned __devinit get_irq_config(int sscape_type, int irq)
 {
        static const int valid_irq[] = { 9, 5, 7, 10 };
+       static const int old_irq[] = { 9, 7, 5, 15 };
        unsigned cfg;
 
-       for (cfg = 0; cfg < ARRAY_SIZE(valid_irq); ++cfg) {
-               if (irq == valid_irq[cfg])
-                       return cfg;
-       } /* for */
+       if (sscape_type == MEDIA_FX) {
+               for (cfg = 0; cfg < ARRAY_SIZE(old_irq); ++cfg)
+                       if (irq == old_irq[cfg])
+                               return cfg;
+       } else {
+               for (cfg = 0; cfg < ARRAY_SIZE(valid_irq); ++cfg)
+                       if (irq == valid_irq[cfg])
+                               return cfg;
+       }
 
        return INVALID_IRQ;
 }
 
-
 /*
  * Perform certain arcane port-checks to see whether there
  * is a SoundScape board lurking behind the given ports.
  */
-static int __devinit detect_sscape(struct soundscape *s)
+static int __devinit detect_sscape(struct soundscape *s, long wss_io)
 {
        unsigned long flags;
        unsigned d;
        int retval = 0;
-       int codec = s->wss_base;
 
        spin_lock_irqsave(&s->lock, flags);
 
@@ -836,13 +726,11 @@ static int __devinit detect_sscape(struct soundscape *s)
        if ((d & 0x80) != 0)
                goto _done;
 
-       if (d == 0) {
-               s->codec_type = 1;
+       if (d == 0)
                s->ic_type = IC_ODIE;
-       } else if ((d & 0x60) != 0) {
-               s->codec_type = 2;
+       else if ((d & 0x60) != 0)
                s->ic_type = IC_OPUS;
-       else
+       else
                goto _done;
 
        outb(0xfa, ODIE_ADDR_IO(s->io_base));
@@ -858,27 +746,53 @@ static int __devinit detect_sscape(struct soundscape *s)
        if (s->type != SSCAPE_VIVO && (d & 0x9f) != 0x0e)
                goto _done;
 
-       d  = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f;
-       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
+       if (s->ic_type == IC_OPUS)
+               activate_ad1845_unsafe(s->io_base);
 
        if (s->type == SSCAPE_VIVO)
-               codec += 4;
+               wss_io += 4;
+
+       d  = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
+       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
+
+       /* wait for WSS codec */
+       for (d = 0; d < 500; d++) {
+               if ((inb(wss_io) & 0x80) == 0)
+                       break;
+               spin_unlock_irqrestore(&s->lock, flags);
+               msleep(1);
+               spin_lock_irqsave(&s->lock, flags);
+       }
+
+       if ((inb(wss_io) & 0x80) != 0)
+               goto _done;
+
+       if (inb(wss_io + 2) == 0xff)
+               goto _done;
+
+       d  = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f;
+       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d);
+
+       if ((inb(wss_io) & 0x80) != 0)
+               s->type = MEDIA_FX;
+
+       d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
+       sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
        /* wait for WSS codec */
        for (d = 0; d < 500; d++) {
-               if ((inb(codec) & 0x80) == 0)
+               if ((inb(wss_io) & 0x80) == 0)
                        break;
                spin_unlock_irqrestore(&s->lock, flags);
                msleep(1);
                spin_lock_irqsave(&s->lock, flags);
        }
-       snd_printd(KERN_INFO "init delay = %d ms\n", d);
 
        /*
         * SoundScape successfully detected!
         */
        retval = 1;
 
-       _done:
+_done:
        spin_unlock_irqrestore(&s->lock, flags);
        return retval;
 }
@@ -889,63 +803,35 @@ static int __devinit detect_sscape(struct soundscape *s)
  * to crash the machine. Also check that someone isn't using the hardware
  * IOCTL device.
  */
-static int mpu401_open(struct snd_mpu401 * mpu)
+static int mpu401_open(struct snd_mpu401 *mpu)
 {
-       int err;
-
        if (!verify_mpu401(mpu)) {
-               snd_printk(KERN_ERR "sscape: MIDI disabled, please load firmware\n");
-               err = -ENODEV;
-       } else {
-               register struct soundscape *sscape = get_mpu401_soundscape(mpu);
-               unsigned long flags;
-
-               spin_lock_irqsave(&sscape->fwlock, flags);
-
-               if (sscape->hw_in_use || (sscape->midi_usage == ULONG_MAX)) {
-                       err = -EBUSY;
-               } else {
-                       ++(sscape->midi_usage);
-                       err = 0;
-               }
-
-               spin_unlock_irqrestore(&sscape->fwlock, flags);
+               snd_printk(KERN_ERR "sscape: MIDI disabled, "
+                                   "please load firmware\n");
+               return -ENODEV;
        }
 
-       return err;
-}
-
-static void mpu401_close(struct snd_mpu401 * mpu)
-{
-       register struct soundscape *sscape = get_mpu401_soundscape(mpu);
-       unsigned long flags;
-
-       spin_lock_irqsave(&sscape->fwlock, flags);
-       --(sscape->midi_usage);
-       spin_unlock_irqrestore(&sscape->fwlock, flags);
+       return 0;
 }
 
 /*
  * Initialse an MPU-401 subdevice for MIDI support on the SoundScape.
  */
-static int __devinit create_mpu401(struct snd_card *card, int devnum, unsigned long port, int irq)
+static int __devinit create_mpu401(struct snd_card *card, int devnum,
+                                  unsigned long port, int irq)
 {
        struct soundscape *sscape = get_card_soundscape(card);
        struct snd_rawmidi *rawmidi;
        int err;
 
-       if ((err = snd_mpu401_uart_new(card, devnum,
-                                      MPU401_HW_MPU401,
-                                      port, MPU401_INFO_INTEGRATED,
-                                      irq, IRQF_DISABLED,
-                                      &rawmidi)) == 0) {
-               struct snd_mpu401 *mpu = (struct snd_mpu401 *) rawmidi->private_data;
+       err = snd_mpu401_uart_new(card, devnum, MPU401_HW_MPU401, port,
+                                 MPU401_INFO_INTEGRATED, irq, IRQF_DISABLED,
+                                 &rawmidi);
+       if (err == 0) {
+               struct snd_mpu401 *mpu = rawmidi->private_data;
                mpu->open_input = mpu401_open;
                mpu->open_output = mpu401_open;
-               mpu->close_input = mpu401_close;
-               mpu->close_output = mpu401_close;
                mpu->private_data = sscape;
-               sscape->mpu = mpu;
 
                initialise_mpu401(mpu);
        }
@@ -955,78 +841,6 @@ static int __devinit create_mpu401(struct snd_card *card, int devnum, unsigned l
 
 
 /*
- * Override for the CS4231 playback format function.
- * The AD1845 has much simpler format and rate selection.
- */
-static void ad1845_playback_format(struct snd_cs4231 * chip, struct snd_pcm_hw_params *params, unsigned char format)
-{
-       unsigned long flags;
-       unsigned rate = params_rate(params);
-
-       /*
-        * The AD1845 can't handle sample frequencies
-        * outside of 4 kHZ to 50 kHZ
-        */
-       if (rate > 50000)
-               rate = 50000;
-       else if (rate < 4000)
-               rate = 4000;
-
-       spin_lock_irqsave(&chip->reg_lock, flags);
-
-       /*
-        * Program the AD1845 correctly for the playback stream.
-        * Note that we do NOT need to toggle the MCE bit because
-        * the PLAYBACK_ENABLE bit of the Interface Configuration
-        * register is set.
-        * 
-        * NOTE: We seem to need to write to the MSB before the LSB
-        *       to get the correct sample frequency.
-        */
-       snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, (format & 0xf0));
-       snd_cs4231_out(chip, AD1845_FREQ_SEL_MSB, (unsigned char) (rate >> 8));
-       snd_cs4231_out(chip, AD1845_FREQ_SEL_LSB, (unsigned char) rate);
-
-       spin_unlock_irqrestore(&chip->reg_lock, flags);
-}
-
-/*
- * Override for the CS4231 capture format function. 
- * The AD1845 has much simpler format and rate selection.
- */
-static void ad1845_capture_format(struct snd_cs4231 * chip, struct snd_pcm_hw_params *params, unsigned char format)
-{
-       unsigned long flags;
-       unsigned rate = params_rate(params);
-
-       /*
-        * The AD1845 can't handle sample frequencies 
-        * outside of 4 kHZ to 50 kHZ
-        */
-       if (rate > 50000)
-               rate = 50000;
-       else if (rate < 4000)
-               rate = 4000;
-
-       spin_lock_irqsave(&chip->reg_lock, flags);
-
-       /*
-        * Program the AD1845 correctly for the playback stream.
-        * Note that we do NOT need to toggle the MCE bit because
-        * the CAPTURE_ENABLE bit of the Interface Configuration
-        * register is set.
-        *
-        * NOTE: We seem to need to write to the MSB before the LSB
-        *       to get the correct sample frequency.
-        */
-       snd_cs4231_out(chip, CS4231_REC_FORMAT, (format & 0xf0));
-       snd_cs4231_out(chip, AD1845_FREQ_SEL_MSB, (unsigned char) (rate >> 8));
-       snd_cs4231_out(chip, AD1845_FREQ_SEL_LSB, (unsigned char) rate);
-
-       spin_unlock_irqrestore(&chip->reg_lock, flags);
-}
-
-/*
  * Create an AD1845 PCM subdevice on the SoundScape. The AD1845
  * is very much like a CS4231, with a few extra bits. We will
  * try to support at least some of the extra bits by overriding
@@ -1036,85 +850,70 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
                                   int irq, int dma1, int dma2)
 {
        register struct soundscape *sscape = get_card_soundscape(card);
-       struct snd_cs4231 *chip;
+       struct snd_wss *chip;
        int err;
+       int codec_type = WSS_HW_DETECT;
 
-       if (sscape->type == SSCAPE_VIVO)
-               port += 4;
+       switch (sscape->type) {
+       case MEDIA_FX:
+       case SSCAPE:
+               /*
+                * There are some freak examples of early Soundscape cards
+                * with CS4231 instead of AD1848/CS4248. Unfortunately, the
+                * CS4231 works only in CS4248 compatibility mode on
+                * these cards so force it.
+                */
+               if (sscape->ic_type != IC_OPUS)
+                       codec_type = WSS_HW_AD1848;
+               break;
 
-       if (dma1 == dma2)
-               dma2 = -1;
+       case SSCAPE_VIVO:
+               port += 4;
+               break;
+       default:
+               break;
+       }
 
-       err = snd_cs4231_create(card,
-                               port, -1, irq, dma1, dma2,
-                               CS4231_HW_DETECT, CS4231_HWSHARE_DMA1, &chip);
+       err = snd_wss_create(card, port, -1, irq, dma1, dma2,
+                            codec_type, WSS_HWSHARE_DMA1, &chip);
        if (!err) {
                unsigned long flags;
                struct snd_pcm *pcm;
 
-#define AD1845_FREQ_SEL_ENABLE  0x08
-
-#define AD1845_PWR_DOWN_CTRL   0x1b
-#define AD1845_CRYS_CLOCK_SEL  0x1d
-
-/*
- * It turns out that the PLAYBACK_ENABLE bit is set
- * by the lowlevel driver ...
- *
-#define AD1845_IFACE_CONFIG  \
-           (CS4231_AUTOCALIB | CS4231_RECORD_ENABLE | CS4231_PLAYBACK_ENABLE)
-    snd_cs4231_mce_up(chip);
-    spin_lock_irqsave(&chip->reg_lock, flags);
-    snd_cs4231_out(chip, CS4231_IFACE_CTRL, AD1845_IFACE_CONFIG);
-    spin_unlock_irqrestore(&chip->reg_lock, flags);
-    snd_cs4231_mce_down(chip);
- */
-
                if (sscape->type != SSCAPE_VIVO) {
-                       int val;
                        /*
                         * The input clock frequency on the SoundScape must
                         * be 14.31818 MHz, because we must set this register
                         * to get the playback to sound correct ...
                         */
-                       snd_cs4231_mce_up(chip);
+                       snd_wss_mce_up(chip);
                        spin_lock_irqsave(&chip->reg_lock, flags);
-                       snd_cs4231_out(chip, AD1845_CRYS_CLOCK_SEL, 0x20);
+                       snd_wss_out(chip, AD1845_CLOCK, 0x20);
                        spin_unlock_irqrestore(&chip->reg_lock, flags);
-                       snd_cs4231_mce_down(chip);
+                       snd_wss_mce_down(chip);
 
-                       /*
-                        * More custom configuration:
-                        * a) select "mode 2" and provide a current drive of 8mA
-                        * b) enable frequency selection (for capture/playback)
-                        */
-                       spin_lock_irqsave(&chip->reg_lock, flags);
-                       snd_cs4231_out(chip, CS4231_MISC_INFO,
-                                       CS4231_MODE2 | 0x10);
-                       val = snd_cs4231_in(chip, AD1845_PWR_DOWN_CTRL);
-                       snd_cs4231_out(chip, AD1845_PWR_DOWN_CTRL,
-                                       val | AD1845_FREQ_SEL_ENABLE);
-                       spin_unlock_irqrestore(&chip->reg_lock, flags);
                }
 
-               err = snd_cs4231_pcm(chip, 0, &pcm);
+               err = snd_wss_pcm(chip, 0, &pcm);
                if (err < 0) {
                        snd_printk(KERN_ERR "sscape: No PCM device "
                                            "for AD1845 chip\n");
                        goto _error;
                }
 
-               err = snd_cs4231_mixer(chip);
+               err = snd_wss_mixer(chip);
                if (err < 0) {
                        snd_printk(KERN_ERR "sscape: No mixer device "
                                            "for AD1845 chip\n");
                        goto _error;
                }
-               err = snd_cs4231_timer(chip, 0, NULL);
-               if (err < 0) {
-                       snd_printk(KERN_ERR "sscape: No timer device "
-                                           "for AD1845 chip\n");
-                       goto _error;
+               if (chip->hardware != WSS_HW_AD1848) {
+                       err = snd_wss_timer(chip, 0, NULL);
+                       if (err < 0) {
+                               snd_printk(KERN_ERR "sscape: No timer device "
+                                                   "for AD1845 chip\n");
+                               goto _error;
+                       }
                }
 
                if (sscape->type != SSCAPE_VIVO) {
@@ -1125,21 +924,12 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
                                                    "MIDI mixer control\n");
                                goto _error;
                        }
-                       chip->set_playback_format = ad1845_playback_format;
-                       chip->set_capture_format = ad1845_capture_format;
                }
 
-               strcpy(card->driver, "SoundScape");
-               strcpy(card->shortname, pcm->name);
-               snprintf(card->longname, sizeof(card->longname),
-                        "%s at 0x%lx, IRQ %d, DMA1 %d, DMA2 %d\n",
-                        pcm->name, chip->port, chip->irq,
-                        chip->dma1, chip->dma2);
-
                sscape->chip = chip;
        }
 
-       _error:
+_error:
        return err;
 }
 
@@ -1154,35 +944,21 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
        unsigned dma_cfg;
        unsigned irq_cfg;
        unsigned mpu_irq_cfg;
-       unsigned xport;
        struct resource *io_res;
        struct resource *wss_res;
        unsigned long flags;
        int err;
-
-       /*
-        * Check that the user didn't pass us garbage data ...
-        */
-       irq_cfg = get_irq_config(irq[dev]);
-       if (irq_cfg == INVALID_IRQ) {
-               snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", irq[dev]);
-               return -ENXIO;
-       }
-
-       mpu_irq_cfg = get_irq_config(mpu_irq[dev]);
-       if (mpu_irq_cfg == INVALID_IRQ) {
-               printk(KERN_ERR "sscape: Invalid IRQ %d\n", mpu_irq[dev]);
-               return -ENXIO;
-       }
-       xport = port[dev];
+       int val;
+       const char *name;
 
        /*
         * Grab IO ports that we will need to probe so that we
         * can detect and control this hardware ...
         */
-       io_res = request_region(xport, 8, "SoundScape");
+       io_res = request_region(port[dev], 8, "SoundScape");
        if (!io_res) {
-               snd_printk(KERN_ERR "sscape: can't grab port 0x%x\n", xport);
+               snd_printk(KERN_ERR
+                          "sscape: can't grab port 0x%lx\n", port[dev]);
                return -EBUSY;
        }
        wss_res = NULL;
@@ -1206,42 +982,51 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
        }
 
        spin_lock_init(&sscape->lock);
-       spin_lock_init(&sscape->fwlock);
        sscape->io_res = io_res;
        sscape->wss_res = wss_res;
-       sscape->io_base = xport;
-       sscape->wss_base = wss_port[dev];
+       sscape->io_base = port[dev];
 
-       if (!detect_sscape(sscape)) {
-               printk(KERN_ERR "sscape: hardware not detected at 0x%x\n", sscape->io_base);
+       if (!detect_sscape(sscape, wss_port[dev])) {
+               printk(KERN_ERR "sscape: hardware not detected at 0x%x\n",
+                       sscape->io_base);
                err = -ENODEV;
                goto _release_dma;
        }
 
-       printk(KERN_INFO "sscape: hardware detected at 0x%x, using IRQ %d, DMA %d\n",
-                        sscape->io_base, irq[dev], dma[dev]);
+       switch (sscape->type) {
+       case MEDIA_FX:
+               name = "MediaFX/SoundFX";
+               break;
+       case SSCAPE:
+               name = "Soundscape";
+               break;
+       case SSCAPE_PNP:
+               name = "Soundscape PnP";
+               break;
+       case SSCAPE_VIVO:
+               name = "Soundscape VIVO";
+               break;
+       default:
+               name = "unknown Soundscape";
+               break;
+       }
 
-       if (sscape->type != SSCAPE_VIVO) {
-               /*
-                * Now create the hardware-specific device so that we can
-                * load the microcode into the on-board processor.
-                * We cannot use the MPU-401 MIDI system until this firmware
-                * has been loaded into the card.
-                */
-               err = snd_hwdep_new(card, "MC68EC000", 0, &(sscape->hw));
-               if (err < 0) {
-                       printk(KERN_ERR "sscape: Failed to create "
-                                       "firmware device\n");
-                       goto _release_dma;
-               }
-               strlcpy(sscape->hw->name, "SoundScape M68K",
-                       sizeof(sscape->hw->name));
-               sscape->hw->name[sizeof(sscape->hw->name) - 1] = '\0';
-               sscape->hw->iface = SNDRV_HWDEP_IFACE_SSCAPE;
-               sscape->hw->ops.open = sscape_hw_open;
-               sscape->hw->ops.release = sscape_hw_release;
-               sscape->hw->ops.ioctl = sscape_hw_ioctl;
-               sscape->hw->private_data = sscape;
+       printk(KERN_INFO "sscape: %s card detected at 0x%x, using IRQ %d, DMA %d\n",
+                        name, sscape->io_base, irq[dev], dma[dev]);
+
+       /*
+        * Check that the user didn't pass us garbage data ...
+        */
+       irq_cfg = get_irq_config(sscape->type, irq[dev]);
+       if (irq_cfg == INVALID_IRQ) {
+               snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", irq[dev]);
+               return -ENXIO;
+       }
+
+       mpu_irq_cfg = get_irq_config(sscape->type, mpu_irq[dev]);
+       if (mpu_irq_cfg == INVALID_IRQ) {
+               snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", mpu_irq[dev]);
+               return -ENXIO;
        }
 
        /*
@@ -1250,9 +1035,6 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
         */
        spin_lock_irqsave(&sscape->lock, flags);
 
-       activate_ad1845_unsafe(sscape->io_base);
-
-       sscape_write_unsafe(sscape->io_base, GA_INTENA_REG, 0x00); /* disable */
        sscape_write_unsafe(sscape->io_base, GA_SMCFGA_REG, 0x2e);
        sscape_write_unsafe(sscape->io_base, GA_SMCFGB_REG, 0x00);
 
@@ -1260,15 +1042,23 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
         * Enable and configure the DMA channels ...
         */
        sscape_write_unsafe(sscape->io_base, GA_DMACFG_REG, 0x50);
-       dma_cfg = (sscape->ic_type == IC_ODIE ? 0x70 : 0x40);
+       dma_cfg = (sscape->ic_type == IC_OPUS ? 0x40 : 0x70);
        sscape_write_unsafe(sscape->io_base, GA_DMAA_REG, dma_cfg);
        sscape_write_unsafe(sscape->io_base, GA_DMAB_REG, 0x20);
 
-       sscape_write_unsafe(sscape->io_base,
-                           GA_INTCFG_REG, 0xf0 | (mpu_irq_cfg << 2) | mpu_irq_cfg);
+       mpu_irq_cfg |= mpu_irq_cfg << 2;
+       val = sscape_read_unsafe(sscape->io_base, GA_HMCTL_REG) & 0xF7;
+       if (joystick[dev])
+               val |= 8;
+       sscape_write_unsafe(sscape->io_base, GA_HMCTL_REG, val | 0x10);
+       sscape_write_unsafe(sscape->io_base, GA_INTCFG_REG, 0xf0 | mpu_irq_cfg);
        sscape_write_unsafe(sscape->io_base,
                            GA_CDCFG_REG, 0x09 | DMA_8BIT
                            | (dma[dev] << 4) | (irq_cfg << 1));
+       /*
+        * Enable the master IRQ ...
+        */
+       sscape_write_unsafe(sscape->io_base, GA_INTENA_REG, 0x80);
 
        spin_unlock_irqrestore(&sscape->lock, flags);
 
@@ -1279,33 +1069,56 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
        err = create_ad1845(card, wss_port[dev], irq[dev],
                            dma[dev], dma2[dev]);
        if (err < 0) {
-               printk(KERN_ERR "sscape: No AD1845 device at 0x%lx, IRQ %d\n",
-                      wss_port[dev], irq[dev]);
+               snd_printk(KERN_ERR
+                               "sscape: No AD1845 device at 0x%lx, IRQ %d\n",
+                               wss_port[dev], irq[dev]);
                goto _release_dma;
        }
+       strcpy(card->driver, "SoundScape");
+       strcpy(card->shortname, name);
+       snprintf(card->longname, sizeof(card->longname),
+                "%s at 0x%lx, IRQ %d, DMA1 %d, DMA2 %d\n",
+                name, sscape->chip->port, sscape->chip->irq,
+                sscape->chip->dma1, sscape->chip->dma2);
+
 #define MIDI_DEVNUM  0
        if (sscape->type != SSCAPE_VIVO) {
-               err = create_mpu401(card, MIDI_DEVNUM,
-                                   MPU401_IO(xport), mpu_irq[dev]);
-               if (err < 0) {
-                       printk(KERN_ERR "sscape: Failed to create "
-                                       "MPU-401 device at 0x%x\n",
-                                       MPU401_IO(xport));
-                       goto _release_dma;
-               }
+               err = sscape_upload_bootblock(card);
+               if (err >= 0)
+                       err = sscape_upload_microcode(card, err);
 
-               /*
-                * Enable the master IRQ ...
-                */
-               sscape_write(sscape, GA_INTENA_REG, 0x80);
+               if (err == 0) {
+                       err = create_mpu401(card, MIDI_DEVNUM, port[dev],
+                                           mpu_irq[dev]);
+                       if (err < 0) {
+                               snd_printk(KERN_ERR "sscape: Failed to create "
+                                               "MPU-401 device at 0x%lx\n",
+                                               port[dev]);
+                               goto _release_dma;
+                       }
 
-               /*
-                * Initialize mixer
-                */
-               sscape->midi_vol = 0;
-               host_write_ctrl_unsafe(sscape->io_base, CMD_SET_MIDI_VOL, 100);
-               host_write_ctrl_unsafe(sscape->io_base, 0, 100);
-               host_write_ctrl_unsafe(sscape->io_base, CMD_XXX_MIDI_VOL, 100);
+                       /*
+                        * Initialize mixer
+                        */
+                       spin_lock_irqsave(&sscape->lock, flags);
+                       sscape->midi_vol = 0;
+                       host_write_ctrl_unsafe(sscape->io_base,
+                                               CMD_SET_MIDI_VOL, 100);
+                       host_write_ctrl_unsafe(sscape->io_base,
+                                               sscape->midi_vol, 100);
+                       host_write_ctrl_unsafe(sscape->io_base,
+                                               CMD_XXX_MIDI_VOL, 100);
+                       host_write_ctrl_unsafe(sscape->io_base,
+                                               sscape->midi_vol, 100);
+                       host_write_ctrl_unsafe(sscape->io_base,
+                                               CMD_SET_EXTMIDI, 100);
+                       host_write_ctrl_unsafe(sscape->io_base,
+                                               0, 100);
+                       host_write_ctrl_unsafe(sscape->io_base, CMD_ACK, 100);
+
+                       set_midi_mode_unsafe(sscape->io_base);
+                       spin_unlock_irqrestore(&sscape->lock, flags);
+               }
        }
 
        /*
@@ -1341,7 +1154,8 @@ static int __devinit snd_sscape_match(struct device *pdev, unsigned int i)
            mpu_irq[i] == SNDRV_AUTO_IRQ ||
            dma[i] == SNDRV_AUTO_DMA) {
                printk(KERN_INFO
-                      "sscape: insufficient parameters, need IO, IRQ, MPU-IRQ and DMA\n");
+                      "sscape: insufficient parameters, "
+                      "need IO, IRQ, MPU-IRQ and DMA\n");
                return 0;
        }
 
@@ -1354,22 +1168,24 @@ static int __devinit snd_sscape_probe(struct device *pdev, unsigned int dev)
        struct soundscape *sscape;
        int ret;
 
-       card = snd_card_new(index[dev], id[dev], THIS_MODULE,
-                           sizeof(struct soundscape));
-       if (!card)
-               return -ENOMEM;
+       ret = snd_card_create(index[dev], id[dev], THIS_MODULE,
+                             sizeof(struct soundscape), &card);
+       if (ret < 0)
+               return ret;
 
        sscape = get_card_soundscape(card);
        sscape->type = SSCAPE;
 
        dma[dev] &= 0x03;
+       snd_card_set_dev(card, pdev);
+
        ret = create_sscape(dev, card);
        if (ret < 0)
                goto _release_card;
 
-       snd_card_set_dev(card, pdev);
-       if ((ret = snd_card_register(card)) < 0) {
-               printk(KERN_ERR "sscape: Failed to register sound card\n");
+       ret = snd_card_register(card);
+       if (ret < 0) {
+               snd_printk(KERN_ERR "sscape: Failed to register sound card\n");
                goto _release_card;
        }
        dev_set_drvdata(pdev, card);
@@ -1421,36 +1237,20 @@ static int __devinit sscape_pnp_detect(struct pnp_card_link *pcard,
         * Allow this function to fail *quietly* if all the ISA PnP
         * devices were configured using module parameters instead.
         */
-       if ((idx = get_next_autoindex(idx)) >= SNDRV_CARDS)
+       idx = get_next_autoindex(idx);
+       if (idx >= SNDRV_CARDS)
                return -ENOSPC;
 
        /*
-        * We have found a candidate ISA PnP card. Now we
-        * have to check that it has the devices that we
-        * expect it to have.
-        *
-        * We will NOT try and autoconfigure all of the resources
-        * needed and then activate the card as we are assuming that
-        * has already been done at boot-time using /proc/isapnp.
-        * We shall simply try to give each active card the resources
-        * that it wants. This is a sensible strategy for a modular
-        * system where unused modules are unloaded regularly.
-        *
-        * This strategy is utterly useless if we compile the driver
-        * into the kernel, of course.
-        */
-       // printk(KERN_INFO "sscape: %s\n", card->name);
-
-       /*
         * Check that we still have room for another sound card ...
         */
        dev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
-       if (! dev)
+       if (!dev)
                return -ENODEV;
 
        if (!pnp_is_active(dev)) {
                if (pnp_activate_dev(dev) < 0) {
-                       printk(KERN_INFO "sscape: device is inactive\n");
+                       snd_printk(KERN_INFO "sscape: device is inactive\n");
                        return -EBUSY;
                }
        }
@@ -1459,10 +1259,10 @@ static int __devinit sscape_pnp_detect(struct pnp_card_link *pcard,
         * Create a new ALSA sound card entry, in anticipation
         * of detecting our hardware ...
         */
-       card = snd_card_new(index[idx], id[idx], THIS_MODULE,
-                           sizeof(struct soundscape));
-       if (!card)
-               return -ENOMEM;
+       ret = snd_card_create(index[idx], id[idx], THIS_MODULE,
+                             sizeof(struct soundscape), &card);
+       if (ret < 0)
+               return ret;
 
        sscape = get_card_soundscape(card);
 
@@ -1488,14 +1288,15 @@ static int __devinit sscape_pnp_detect(struct pnp_card_link *pcard,
                wss_port[idx] = pnp_port_start(dev, 1);
                dma2[idx] = pnp_dma(dev, 1);
        }
+       snd_card_set_dev(card, &pcard->card->dev);
 
        ret = create_sscape(idx, card);
        if (ret < 0)
                goto _release_card;
 
-       snd_card_set_dev(card, &pcard->card->dev);
-       if ((ret = snd_card_register(card)) < 0) {
-               printk(KERN_ERR "sscape: Failed to register sound card\n");
+       ret = snd_card_register(card);
+       if (ret < 0) {
+               snd_printk(KERN_ERR "sscape: Failed to register sound card\n");
                goto _release_card;
        }