1 files changed, 106 insertions, 222 deletions

diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c
index b11c35f6aefe..1ce465cc66a8 100644
--- a/sound/isa/sscape.c
+++ b/sound/isa/sscape.c
@@ -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
@@ -25,22 +25,26 @@
 #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/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");
+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] __devinitdata = SNDRV_DEFAULT_IDX;
 static char* id[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_STR;
@@ -142,14 +146,12 @@ struct soundscape {
         struct resource *wss_res;
         struct snd_wss *chip;
         struct snd_mpu401 *mpu;
-        struct snd_hwdep *hw;
 
         /*
          * 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;
 };
@@ -167,12 +169,6 @@ 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
@@ -393,12 +389,12 @@ static int obp_startup_ack(struct soundscape *s, unsigned timeout)
 
         do {
                 unsigned long flags;
-                unsigned char x;
+                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;
 
                 msleep(10);
@@ -420,10 +416,10 @@ static int host_startup_ack(struct soundscape *s, unsigned timeout)
 
         do {
                 unsigned long flags;
-                unsigned char x;
+                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;
@@ -438,14 +434,14 @@ 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,
+                           const unsigned char *data,
                            size_t size)
 {
         unsigned long flags;
         struct snd_dma_buffer dma;
         int ret;
 
-        if (!get_dmabuf(&dma, PAGE_ALIGN(size)))
+        if (!get_dmabuf(&dma, PAGE_ALIGN(32 * 1024)))
                 return -ENOMEM;
 
         spin_lock_irqsave(&s->lock, flags);
@@ -458,7 +454,6 @@ static int upload_dma_data(struct soundscape *s,
         /*
          * 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);
         sscape_write_unsafe(s->io_base, GA_DMAB_REG, 0x20);
 
@@ -468,35 +463,17 @@ static int upload_dma_data(struct soundscape *s,
         sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) | 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)) {
@@ -512,6 +489,7 @@ static int upload_dma_data(struct soundscape *s,
         } /* while */
 
         set_host_mode_unsafe(s->io_base);
+        outb(0x0, s->io_base);
 
         /*
          * Boot the board ... (I think)
@@ -537,7 +515,7 @@ _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;
@@ -547,162 +525,69 @@ _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);
-        }
-        set_midi_mode_unsafe(sscape->io_base);
-        spin_unlock_irqrestore(&sscape->lock, flags);
-
-        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;
-                }
+        ret = request_firmware(&init_fw, "scope.cod", card->dev);
+        if (ret < 0) {
+                snd_printk(KERN_ERR "Error loading scope.cod");
+                return ret;
         }
+        ret = upload_dma_data(sscape, init_fw->data, init_fw->size);
 
-        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 "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 "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 "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.
  */
@@ -920,7 +805,7 @@ static int mpu401_open(struct snd_mpu401 * mpu)
 
                 spin_lock_irqsave(&sscape->fwlock, flags);
 
-                if (sscape->hw_in_use || (sscape->midi_usage == ULONG_MAX)) {
+                if (sscape->midi_usage == ULONG_MAX) {
                         err = -EBUSY;
                 } else {
                         ++(sscape->midi_usage);
@@ -1053,13 +938,6 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
                         }
                 }
 
-                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;
         }
 
@@ -1162,29 +1040,6 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
                 return -ENXIO;
         }
 
-        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;
-        }
-
         /*
          * Tell the on-board devices where their resources are (I think -
          * I can't be sure without a datasheet ... So many magic values!)
@@ -1222,28 +1077,56 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
                        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, port[dev], mpu_irq[dev]);
-                if (err < 0) {
-                        printk(KERN_ERR "sscape: Failed to create "
-                                        "MPU-401 device at 0x%lx\n",
-                                        port[dev]);
-                        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);
-
-                /*
-                 * 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);
+                if (err == 0) {
+                        err = create_mpu401(card, MIDI_DEVNUM, port[dev],
+                                            mpu_irq[dev]);
+                        if (err < 0) {
+                                printk(KERN_ERR "sscape: Failed to create "
+                                                "MPU-401 device at 0x%lx\n",
+                                                port[dev]);
+                                goto _release_dma;
+                        }
+
+                        /*
+                         * Enable the master IRQ ...
+                         */
+                        sscape_write(sscape, GA_INTENA_REG, 0x80);
+
+                        /*
+                         * 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);
+                }
         }
 
         /*
@@ -1301,11 +1184,12 @@ static int __devinit snd_sscape_probe(struct device *pdev, unsigned int dev)
         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");
                 goto _release_card;
@@ -1426,12 +1310,12 @@ 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");
                 goto _release_card;