ALSA update

   - CS4231 - added sparc support to merge sparc/cs4231.c code
   - ICE1712
     - added support for AK4529
     - added support for Midiman M-Audio Delta410
   - USB driver
     - fixed against newer USB API but allow compilation under 2.4

12 files changed, 519 insertions, 238 deletions

diff --git a/include/sound/cs4231.h b/include/sound/cs4231.h
index 610c2e94705b..75d1b588ee87 100644
--- a/include/sound/cs4231.h
+++ b/include/sound/cs4231.h
@@ -26,9 +26,24 @@
 #include "pcm.h"
 #include "timer.h"
 
+#ifdef CONFIG_SBUS
+#define SBUS_SUPPORT
+#include <asm/sbus.h>
+#endif
+
+#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)
+#define EBUS_SUPPORT
+#include <linux/pci.h>
+#include <asm/ebus.h>
+#endif
+
+#if !defined(SBUS_SUPPORT) && !defined(EBUS_SUPPORT)
+#define LEGACY_SUPPORT
+#endif
+
 /* IO ports */
 
-#define CS4231P(chip, x)	((chip)->port + c_d_c_CS4231##x)
+#define CS4231P(x)		(c_d_c_CS4231##x)
 
 #define c_d_c_CS4231REGSEL	0
 #define c_d_c_CS4231REG		1
@@ -221,17 +236,38 @@ typedef struct _snd_cs4231 cs4231_t;
 
 struct _snd_cs4231 {
 	unsigned long port;		/* base i/o port */
+#ifdef LEGACY_SUPPORT
 	struct resource *res_port;
 	unsigned long cport;		/* control base i/o port (CS4236) */
 	struct resource *res_cport;
 	int irq;			/* IRQ line */
 	int dma1;			/* playback DMA */
 	int dma2;			/* record DMA */
+#endif
 	unsigned short version;		/* version of CODEC chip */
 	unsigned short mode;		/* see to CS4231_MODE_XXXX */
 	unsigned short hardware;	/* see to CS4231_HW_XXXX */
 	unsigned short hwshare;		/* shared resources */
-	unsigned short single_dma:1;	/* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */
+	unsigned short single_dma:1,	/* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */
+		       ebus_flag:1;	/* SPARC: EBUS present */
+
+#ifdef EBUS_SUPPORT
+	struct ebus_dma_info eb2c;
+        struct ebus_dma_info eb2p;
+#endif
+
+#if defined(SBUS_SUPPORT) || defined(EBUS_SUPPORT)
+	union {
+#ifdef SBUS_SUPPORT
+		struct sbus_dev         *sdev;
+#endif
+#ifdef EBUS_SUPPORT
+		struct pci_dev          *pdev;
+#endif
+	} dev_u;
+	unsigned int p_periods_sent;
+	unsigned int c_periods_sent;
+#endif
 
 	snd_card_t *card;
 	snd_pcm_t *pcm;
@@ -245,8 +281,10 @@ struct _snd_cs4231 {
 	int mce_bit;
 	int calibrate_mute;
 	int sw_3d_bit;
+#ifdef LEGACY_SUPPORT
 	unsigned int p_dma_size;
 	unsigned int c_dma_size;
+#endif
 
 	spinlock_t reg_lock;
 	struct semaphore mce_mutex;
@@ -255,14 +293,17 @@ struct _snd_cs4231 {
 	int (*rate_constraint) (snd_pcm_runtime_t *runtime);
 	void (*set_playback_format) (cs4231_t *chip, snd_pcm_hw_params_t *hw_params, unsigned char pdfr);
 	void (*set_capture_format) (cs4231_t *chip, snd_pcm_hw_params_t *hw_params, unsigned char cdfr);
+	void (*trigger) (cs4231_t *chip, unsigned int what, int start);
 #ifdef CONFIG_PM
 	struct pm_dev *pm_dev;
 	void (*suspend) (cs4231_t *chip);
 	void (*resume) (cs4231_t *chip);
 #endif
 	void *dma_private_data;
+#ifdef LEGACY_SUPPORT
 	int (*claim_dma) (cs4231_t *chip, void *dma_private_data, int dma);
 	int (*release_dma) (cs4231_t *chip, void *dma_private_data, int dma);
+#endif
 };
 
 /* exported functions */
diff --git a/include/sound/version.h b/include/sound/version.h
index de5e5218a7b4..acaac7181bbe 100644
--- a/include/sound/version.h
+++ b/include/sound/version.h
@@ -1,3 +1,3 @@
 /* include/version.h.  Generated automatically by configure.  */
 #define CONFIG_SND_VERSION "0.9.0rc5"
-#define CONFIG_SND_DATE " (Tue Oct 29 09:19:27 2002 UTC)"
+#define CONFIG_SND_DATE " (Sun Nov 10 19:48:18 2002 UTC)"
diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c
index 827c3c2541d2..0982bba6b988 100644
--- a/sound/isa/cs423x/cs4231_lib.c
+++ b/sound/isa/cs423x/cs4231_lib.c
@@ -124,6 +124,48 @@ static unsigned char snd_cs4231_original_image[32] =
  *  Basic I/O functions
  */
 
+#if !defined(EBUS_SUPPORT) && !defined(SBUS_SUPPORT)
+#define __CS4231_INLINE__ inline
+#else
+#define __CS4231_INLINE__ /* nothing */
+#endif
+
+static __CS4231_INLINE__ void cs4231_outb(cs4231_t *chip, u8 offset, u8 val)
+{
+#ifdef EBUS_SUPPORT
+	if (chip->ebus->flag) {
+		writeb(val, chip->port + (offset << 2));
+	} else {
+#endif
+#ifdef SBUS_SUPPORT
+		sbus_writeb(val, chip->port + (offset << 2));
+#endif
+#ifdef EBUS_SUPPORT
+	}
+#endif
+#ifdef LEGACY_SUPPORT
+	outb(val, chip->port + offset);
+#endif
+}
+
+static __CS4231_INLINE__ u8 cs4231_inb(cs4231_t *chip, u8 offset)
+{
+#ifdef EBUS_SUPPORT
+	if (chip->ebus_flag) {
+		return readb(chip->port + (offset << 2));
+	} else {
+#endif
+#ifdef SBUS_SUPPORT
+		return sbus_writeb(chip->port + (offset << 2));
+#endif
+#ifdef EBUS_SUPPORT
+	}
+#endif
+#ifdef LEGACY_SUPPORT
+	return inb(chip->port + offset);
+#endif
+}
+
 void snd_cs4231_outm(cs4231_t *chip, unsigned char reg,
 		     unsigned char mask, unsigned char value)
 {
@@ -131,21 +173,21 @@ void snd_cs4231_outm(cs4231_t *chip, unsigned char reg,
 	unsigned char tmp;
 
 	for (timeout = 250;
-	     timeout > 0 && (inb(CS4231P(chip, REGSEL)) & CS4231_INIT);
+	     timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT);
 	     timeout--)
 	     	udelay(100);
 #ifdef CONFIG_SND_DEBUG
-	if (inb(CS4231P(chip, REGSEL)) & CS4231_INIT)
+	if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT)
 		snd_printk("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
 #endif
 	if (chip->calibrate_mute) {
 		chip->image[reg] &= mask;
 		chip->image[reg] |= value;
 	} else {
-		outb(chip->mce_bit | reg, CS4231P(chip, REGSEL));
+		cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg);
 		mb();
 		tmp = (chip->image[reg] & mask) | value;
-		outb(tmp, CS4231P(chip, REG));
+		cs4231_outb(chip, CS4231P(REG), tmp);
 		chip->image[reg] = tmp;
 		mb();
 	}
@@ -156,11 +198,11 @@ static void snd_cs4231_dout(cs4231_t *chip, unsigned char reg, unsigned char val
 	int timeout;
 
 	for (timeout = 250;
-	     timeout > 0 && (inb(CS4231P(chip, REGSEL)) & CS4231_INIT);
+	     timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT);
 	     timeout--)
 	     	udelay(10);
-	outb(chip->mce_bit | reg, CS4231P(chip, REGSEL));
-	outb(value, CS4231P(chip, REG));
+	cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg);
+	cs4231_outb(chip, CS4231P(REG), value);
 	mb();
 }
 
@@ -169,15 +211,15 @@ void snd_cs4231_out(cs4231_t *chip, unsigned char reg, unsigned char value)
 	int timeout;
 
 	for (timeout = 250;
-	     timeout > 0 && (inb(CS4231P(chip, REGSEL)) & CS4231_INIT);
+	     timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT);
 	     timeout--)
 	     	udelay(100);
 #ifdef CONFIG_SND_DEBUG
-	if (inb(CS4231P(chip, REGSEL)) & CS4231_INIT)
+	if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT)
 		snd_printk("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
 #endif
-	outb(chip->mce_bit | reg, CS4231P(chip, REGSEL));
-	outb(value, CS4231P(chip, REG));
+	cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg);
+	cs4231_outb(chip, CS4231P(REG), value);
 	chip->image[reg] = value;
 	mb();
 #if 0
@@ -190,23 +232,23 @@ unsigned char snd_cs4231_in(cs4231_t *chip, unsigned char reg)
 	int timeout;
 
 	for (timeout = 250;
-	     timeout > 0 && (inb(CS4231P(chip, REGSEL)) & CS4231_INIT);
+	     timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT);
 	     timeout--)
 	     	udelay(100);
 #ifdef CONFIG_SND_DEBUG
-	if (inb(CS4231P(chip, REGSEL)) & CS4231_INIT)
+	if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT)
 		snd_printk("in: auto calibration time out - reg = 0x%x\n", reg);
 #endif
-	outb(chip->mce_bit | reg, CS4231P(chip, REGSEL));
+	cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg);
 	mb();
-	return inb(CS4231P(chip, REG));
+	return cs4231_inb(chip, CS4231P(REG));
 }
 
 void snd_cs4236_ext_out(cs4231_t *chip, unsigned char reg, unsigned char val)
 {
-	outb(chip->mce_bit | 0x17, CS4231P(chip, REGSEL));
-	outb(reg | (chip->image[CS4236_EXT_REG] & 0x01), CS4231P(chip, REG));
-	outb(val, CS4231P(chip, REG));
+	cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17);
+	cs4231_outb(chip, CS4231P(REG), reg | (chip->image[CS4236_EXT_REG] & 0x01));
+	cs4231_outb(chip, CS4231P(REG), val);
 	chip->eimage[CS4236_REG(reg)] = val;
 #if 0
 	printk("ext out : reg = 0x%x, val = 0x%x\n", reg, val);
@@ -215,14 +257,14 @@ void snd_cs4236_ext_out(cs4231_t *chip, unsigned char reg, unsigned char val)
 
 unsigned char snd_cs4236_ext_in(cs4231_t *chip, unsigned char reg)
 {
-	outb(chip->mce_bit | 0x17, CS4231P(chip, REGSEL));
-	outb(reg | (chip->image[CS4236_EXT_REG] & 0x01), CS4231P(chip, REG));
+	cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17);
+	cs4231_outb(chip, CS4231P(REG), reg | (chip->image[CS4236_EXT_REG] & 0x01));
 #if 1
-	return inb(CS4231P(chip, REG));
+	return cs4231_inb(chip, CS4231P(REG));
 #else
 	{
 		unsigned char res;
-		res = inb(CS4231P(chip, REG));
+		res = cs4231_inb(chip, CS4231P(REG));
 		printk("ext in : reg = 0x%x, val = 0x%x\n", reg, res);
 		return res;
 	}
@@ -233,8 +275,8 @@ unsigned char snd_cs4236_ext_in(cs4231_t *chip, unsigned char reg)
 
 void snd_cs4231_debug(cs4231_t *chip)
 {
-	printk("CS4231 REGS:      INDEX = 0x%02x  ", inb(CS4231P(chip, REGSEL)));
-	printk("                 STATUS = 0x%02x\n", inb(CS4231P(chip, STATUS)));
+	printk("CS4231 REGS:      INDEX = 0x%02x  ", cs4231_inb(chip, CS4231P(REGSEL)));
+	printk("                 STATUS = 0x%02x\n", cs4231_inb(chip, CS4231P(STATUS)));
 	printk("  0x00: left input      = 0x%02x  ", snd_cs4231_in(chip, 0x00));
 	printk("  0x10: alt 1 (CFIG 2)  = 0x%02x\n", snd_cs4231_in(chip, 0x10));
 	printk("  0x01: right input     = 0x%02x  ", snd_cs4231_in(chip, 0x01));
@@ -281,10 +323,10 @@ static void snd_cs4231_busy_wait(cs4231_t *chip)
 
 	/* huh.. looks like this sequence is proper for CS4231A chip (GUS MAX) */
 	for (timeout = 5; timeout > 0; timeout--)
-		inb(CS4231P(chip, REGSEL));
+		cs4231_inb(chip, CS4231P(REGSEL));
 	/* end of cleanup sequence */
 	for (timeout = 250;
-	     timeout > 0 && (inb(CS4231P(chip, REGSEL)) & CS4231_INIT);
+	     timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT);
 	     timeout--)
 	     	udelay(10);
 }
@@ -295,18 +337,18 @@ void snd_cs4231_mce_up(cs4231_t *chip)
 	int timeout;
 
 	spin_lock_irqsave(&chip->reg_lock, flags);
-	for (timeout = 250; timeout > 0 && (inb(CS4231P(chip, REGSEL)) & CS4231_INIT); timeout--)
+	for (timeout = 250; timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); timeout--)
 		udelay(100);
 #ifdef CONFIG_SND_DEBUG
-	if (inb(CS4231P(chip, REGSEL)) & CS4231_INIT)
+	if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT)
 		snd_printk("mce_up - auto calibration time out (0)\n");
 #endif
 	chip->mce_bit |= CS4231_MCE;
-	timeout = inb(CS4231P(chip, REGSEL));
+	timeout = cs4231_inb(chip, CS4231P(REGSEL));
 	if (timeout == 0x80)
 		snd_printk("mce_up [0x%lx]: serious init problem - codec still busy\n", chip->port);
 	if (!(timeout & CS4231_MCE))
-		outb(chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL));
+		cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f));
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 }
 
@@ -322,12 +364,12 @@ void snd_cs4231_mce_down(cs4231_t *chip)
 	printk("(1) timeout = %i\n", timeout);
 #endif
 #ifdef CONFIG_SND_DEBUG
-	if (inb(CS4231P(chip, REGSEL)) & CS4231_INIT)
-		snd_printk("mce_down [0x%lx] - auto calibration time out (0)\n", CS4231P(chip, REGSEL));
+	if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT)
+		snd_printk("mce_down [0x%lx] - auto calibration time out (0)\n", (long)CS4231P(REGSEL));
 #endif
 	chip->mce_bit &= ~CS4231_MCE;
-	timeout = inb(CS4231P(chip, REGSEL));
-	outb(chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL));
+	timeout = cs4231_inb(chip, CS4231P(REGSEL));
+	cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f));
 	if (timeout == 0x80)
 		snd_printk("mce_down [0x%lx]: serious init problem - codec still busy\n", chip->port);
 	if ((timeout & CS4231_MCE) == 0 ||
@@ -364,7 +406,7 @@ void snd_cs4231_mce_down(cs4231_t *chip)
 	printk("(3) jiffies = %li\n", jiffies);
 #endif
 	time = HZ / 10;
-	while (inb(CS4231P(chip, REGSEL)) & CS4231_INIT) {
+	while (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) {
 		spin_unlock_irqrestore(&chip->reg_lock, flags);
 		if (time <= 0) {
 			snd_printk("mce_down - auto calibration time out (3)\n");
@@ -377,7 +419,7 @@ void snd_cs4231_mce_down(cs4231_t *chip)
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 #if 0
 	printk("(4) jiffies = %li\n", jiffies);
-	snd_printk("mce_down - exit = 0x%x\n", inb(CS4231P(chip, REGSEL)));
+	snd_printk("mce_down - exit = 0x%x\n", cs4231_inb(chip, CS4231P(REGSEL)));
 #endif
 }
 
@@ -403,7 +445,7 @@ static int snd_cs4231_trigger(snd_pcm_substream_t *substream,
 	int result = 0;
 
 #if 0
-	printk("codec trigger!!! - what = %i, enable = %i, status = 0x%x\n", what, enable, inb(CS4231P(card, STATUS)));
+	printk("codec trigger!!! - what = %i, enable = %i, status = 0x%x\n", what, enable, cs4231_inb(chip, CS4231P(STATUS)));
 #endif
 
 	switch (cmd) {
@@ -423,10 +465,15 @@ static int snd_cs4231_trigger(snd_pcm_substream_t *substream,
 			s = s->link_next;
 		} while (s != substream);
 		spin_lock(&chip->reg_lock);
-		if (cmd == SNDRV_PCM_TRIGGER_START)
+		if (cmd == SNDRV_PCM_TRIGGER_START) {
 			chip->image[CS4231_IFACE_CTRL] |= what;
-		else
+			if (chip->trigger)
+				chip->trigger(chip, what, 1);
+		} else {
 			chip->image[CS4231_IFACE_CTRL] &= ~what;
+			if (chip->trigger)
+				chip->trigger(chip, what, 0);
+		}
 		snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]);
 		spin_unlock(&chip->reg_lock);
 		break;
@@ -640,7 +687,7 @@ static void snd_cs4231_init(cs4231_t *chip)
 
 	snd_cs4231_mce_down(chip);
 
-#ifdef SNDRV_DEBUG_MCE
+#ifdef SNDRV_DEBUGq_MCE
 	snd_printk("init: (1)\n");
 #endif
 	snd_cs4231_mce_up(chip);
@@ -713,8 +760,8 @@ static int snd_cs4231_open(cs4231_t *chip, unsigned int mode)
 		       CS4231_RECORD_IRQ |
 		       CS4231_TIMER_IRQ);
 	snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
-	outb(0, CS4231P(chip, STATUS));	/* clear IRQ */
-	outb(0, CS4231P(chip, STATUS));	/* clear IRQ */
+	cs4231_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
+	cs4231_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	chip->image[CS4231_PIN_CTRL] |= CS4231_IRQ_ENABLE;
 	snd_cs4231_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]);
 	snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ |
@@ -743,8 +790,8 @@ static void snd_cs4231_close(cs4231_t *chip, unsigned int mode)
 	/* disable IRQ */
 	spin_lock_irqsave(&chip->reg_lock, flags);
 	snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
-	outb(0, CS4231P(chip, STATUS));	/* clear IRQ */
-	outb(0, CS4231P(chip, STATUS));	/* clear IRQ */
+	cs4231_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
+	cs4231_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	chip->image[CS4231_PIN_CTRL] &= ~CS4231_IRQ_ENABLE;
 	snd_cs4231_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]);
 
@@ -765,8 +812,8 @@ static void snd_cs4231_close(cs4231_t *chip, unsigned int mode)
 
 	/* clear IRQ again */
 	snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
-	outb(0, CS4231P(chip, STATUS));	/* clear IRQ */
-	outb(0, CS4231P(chip, STATUS));	/* clear IRQ */
+	cs4231_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
+	cs4231_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 
 	snd_cs4231_calibrate_mute(chip, 0);
@@ -829,6 +876,7 @@ static int snd_cs4231_playback_hw_free(snd_pcm_substream_t * substream)
 	return snd_pcm_lib_free_pages(substream);
 }
 
+#ifdef LEGACY_SUPPORT
 static int snd_cs4231_playback_prepare(snd_pcm_substream_t * substream)
 {
 	cs4231_t *chip = snd_pcm_substream_chip(substream);
@@ -850,6 +898,7 @@ static int snd_cs4231_playback_prepare(snd_pcm_substream_t * substream)
 #endif
 	return 0;
 }
+#endif /* LEGACY_SUPPORT */
 
 static int snd_cs4231_capture_hw_params(snd_pcm_substream_t * substream,
 					snd_pcm_hw_params_t * hw_params)
@@ -871,6 +920,7 @@ static int snd_cs4231_capture_hw_free(snd_pcm_substream_t * substream)
 	return snd_pcm_lib_free_pages(substream);
 }
 
+#ifdef LEGACY_SUPPORT
 static int snd_cs4231_capture_prepare(snd_pcm_substream_t * substream)
 {
 	cs4231_t *chip = snd_pcm_substream_chip(substream);
@@ -894,6 +944,7 @@ static int snd_cs4231_capture_prepare(snd_pcm_substream_t * substream)
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 	return 0;
 }
+#endif
 
 static void snd_cs4231_overrange(cs4231_t *chip)
 {
@@ -940,6 +991,7 @@ void snd_cs4231_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	spin_unlock(&chip->reg_lock);
 }
 
+#ifdef LEGACY_SUPPORT
 static snd_pcm_uframes_t snd_cs4231_playback_pointer(snd_pcm_substream_t * substream)
 {
 	cs4231_t *chip = snd_pcm_substream_chip(substream);
@@ -961,12 +1013,13 @@ static snd_pcm_uframes_t snd_cs4231_capture_pointer(snd_pcm_substream_t * substr
 	ptr = chip->c_dma_size - snd_dma_residue(chip->dma2);
 	return bytes_to_frames(substream->runtime, ptr);
 }
+#endif /* LEGACY_SUPPORT */
 
 /*
 
  */
 
-static int snd_cs4231_probe(cs4231_t *chip)
+int snd_cs4231_probe(cs4231_t *chip)
 {
 	unsigned long flags;
 	int i, id, rev;
@@ -979,7 +1032,7 @@ static int snd_cs4231_probe(cs4231_t *chip)
 	id = 0;
 	for (i = 0; i < 50; i++) {
 		mb();
-		if (inb(CS4231P(chip, REGSEL)) & CS4231_INIT)
+		if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT)
 			udelay(2000);
 		else {
 			spin_lock_irqsave(&chip->reg_lock, flags);
@@ -1020,8 +1073,8 @@ static int snd_cs4231_probe(cs4231_t *chip)
 		}
 	}
 	spin_lock_irqsave(&chip->reg_lock, flags);
-	inb(CS4231P(chip, STATUS));	/* clear any pendings IRQ */
-	outb(0, CS4231P(chip, STATUS));
+	cs4231_inb(chip, CS4231P(STATUS));	/* clear any pendings IRQ */
+	cs4231_outb(chip, CS4231P(STATUS), 0);
 	mb();
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 
@@ -1189,6 +1242,7 @@ static int snd_cs4231_playback_open(snd_pcm_substream_t * substream)
 	    chip->hardware == CS4231_HW_CS4239)
 		runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE;
 
+#ifdef LEGACY_SUPPORT
 	snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
 	snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
 
@@ -1196,14 +1250,20 @@ static int snd_cs4231_playback_open(snd_pcm_substream_t * substream)
 		if ((err = chip->claim_dma(chip, chip->dma_private_data, chip->dma1)) < 0)
 			return err;
 	}
+#endif
 
 	if ((err = snd_cs4231_open(chip, CS4231_MODE_PLAY)) < 0) {
+#ifdef LEGACY_SUPPORT
 		if (chip->release_dma)
 			chip->release_dma(chip, chip->dma_private_data, chip->dma1);
+#endif
 		snd_free_pages(runtime->dma_area, runtime->dma_bytes);
 		return err;
 	}
 	chip->playback_substream = substream;
+#if defined(SBUS_SUPPORT) || defined(EBUS_SUPPORT)
+	chip->p_periods_sent = 0;
+#endif
 	snd_pcm_set_sync(substream);
 	chip->rate_constraint(runtime);
 	return 0;
@@ -1222,21 +1282,28 @@ static int snd_cs4231_capture_open(snd_pcm_substream_t * substream)
 	    chip->hardware == CS4231_HW_CS4239)
 		runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE;
 
+#ifdef LEGACY_SUPPORT
+	snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
+	snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
+
 	if (chip->claim_dma) {
 		if ((err = chip->claim_dma(chip, chip->dma_private_data, chip->dma2)) < 0)
 			return err;
 	}
-
-	snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
-	snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
+#endif
 
 	if ((err = snd_cs4231_open(chip, CS4231_MODE_RECORD)) < 0) {
+#ifdef LEGACY_SUPPORT
 		if (chip->release_dma)
 			chip->release_dma(chip, chip->dma_private_data, chip->dma2);
+#endif
 		snd_free_pages(runtime->dma_area, runtime->dma_bytes);
 		return err;
 	}
 	chip->capture_substream = substream;
+#if defined(SBUS_SUPPORT) || defined(EBUS_SUPPORT)
+	chip->c_periods_sent = 0;
+#endif
 	snd_pcm_set_sync(substream);
 	chip->rate_constraint(runtime);
 	return 0;
@@ -1301,8 +1368,8 @@ static void snd_cs4231_resume(cs4231_t *chip)
 	spin_lock_irqsave(&chip->reg_lock, flags);
 	snd_cs4231_busy_wait(chip);
 	chip->mce_bit &= ~CS4231_MCE;
-	timeout = inb(CS4231P(chip, REGSEL));
-	outb(chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL));
+	timeout = cs4231_inb(chip, CS4231P(REGSEL));
+	cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f));
 	if (timeout == 0x80)
 		snd_printk("down [0x%lx]: serious init problem - codec still busy\n", chip->port);
 	if ((timeout & CS4231_MCE) == 0 ||
@@ -1334,6 +1401,8 @@ static int snd_cs4231_pm_callback(struct pm_dev *dev, pm_request_t rqst, void *d
 
 #endif /* CONFIG_PM */
 
+#ifdef LEGACY_SUPPORT
+
 static int snd_cs4231_free(cs4231_t *chip)
 {
 	if (chip->res_port) {
@@ -1373,6 +1442,8 @@ static int snd_cs4231_dev_free(snd_device_t *device)
 	return snd_cs4231_free(chip);	
 }
 
+#endif /* LEGACY_SUPPORT */
+
 const char *snd_cs4231_chip_id(cs4231_t *chip)
 {
 	switch (chip->hardware) {
@@ -1392,6 +1463,35 @@ const char *snd_cs4231_chip_id(cs4231_t *chip)
 	}
 }
 
+static int snd_cs4231_new(snd_card_t * card,
+			  unsigned short hardware,
+			  unsigned short hwshare,
+			  cs4231_t ** rchip)
+{
+	cs4231_t *chip;
+
+	*rchip = NULL;
+	chip = snd_magic_kcalloc(cs4231_t, 0, GFP_KERNEL);
+	if (chip == NULL)
+		return -ENOMEM;
+	chip->hardware = hardware;
+	chip->hwshare = hwshare;
+
+	spin_lock_init(&chip->reg_lock);
+	init_MUTEX(&chip->mce_mutex);
+	init_MUTEX(&chip->open_mutex);
+	chip->card = card;
+	chip->rate_constraint = snd_cs4231_xrate;
+	chip->set_playback_format = snd_cs4231_playback_format;
+	chip->set_capture_format = snd_cs4231_capture_format;
+        memcpy(&chip->image, &snd_cs4231_original_image, sizeof(snd_cs4231_original_image));
+        
+        *rchip = chip;
+        return 0;
+}
+
+#ifdef LEGACY_SUPPORT
+
 int snd_cs4231_create(snd_card_t * card,
 	              unsigned long port,
 	              unsigned long cport,
@@ -1406,15 +1506,13 @@ int snd_cs4231_create(snd_card_t * card,
 	cs4231_t *chip;
 	int err;
 
-	*rchip = NULL;
-	chip = snd_magic_kcalloc(cs4231_t, 0, GFP_KERNEL);
-	if (chip == NULL)
-		return -ENOMEM;
+	err = snd_cs4231_new(card, hardware, hwshare, &chip);
+	if (err < 0)
+		return err;
+	
 	chip->irq = -1;
 	chip->dma1 = -1;
 	chip->dma2 = -1;
-	chip->hardware = hardware;
-	chip->hwshare = hwshare;
 
 	if ((chip->res_port = request_region(port, 4, "CS4231")) == NULL) {
 		snd_cs4231_free(chip);
@@ -1446,15 +1544,6 @@ int snd_cs4231_create(snd_card_t * card,
 	} else
 		chip->dma2 = dma2;
 
-	spin_lock_init(&chip->reg_lock);
-	init_MUTEX(&chip->mce_mutex);
-	init_MUTEX(&chip->open_mutex);
-	chip->card = card;
-	chip->rate_constraint = snd_cs4231_xrate;
-	chip->set_playback_format = snd_cs4231_playback_format;
-	chip->set_capture_format = snd_cs4231_capture_format;
-        memcpy(&chip->image, &snd_cs4231_original_image, sizeof(snd_cs4231_original_image));
-
 	/* global setup */
 	if (snd_cs4231_probe(chip) < 0) {
 		snd_cs4231_free(chip);
@@ -1486,6 +1575,8 @@ int snd_cs4231_create(snd_card_t * card,
 	return 0;
 }
 
+#endif /* LEGACY_SUPPORT */
+
 static snd_pcm_ops_t snd_cs4231_playback_ops = {
 	.open =		snd_cs4231_playback_open,
 	.close =	snd_cs4231_playback_close,
@@ -1540,7 +1631,23 @@ int snd_cs4231_pcm(cs4231_t *chip, int device, snd_pcm_t **rpcm)
 		pcm->info_flags |= SNDRV_PCM_INFO_JOINT_DUPLEX;
 	strcpy(pcm->name, snd_cs4231_chip_id(chip));
 
+#ifdef LEGACY_SUPPORT
 	snd_pcm_lib_preallocate_isa_pages_for_all(pcm, 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
+#else
+#  ifdef EBUS_SUPPORT
+        if (chip->ebus_flag) {
+                snd_pcm_lib_preallocate_pci_pages_for_all(chip->dev_u.pdev, pcm,
+                                                          64*1024, 128*1024);
+        } else {
+#  endif
+#  ifdef SBUS_SUPPORT
+                snd_pcm_lib_preallocate_sbus_pages_for_all(chip->dev_u.sdev, pcm,
+                                                           64*1024, 128*1024);
+#  endif
+#  ifdef EBUS_SUPPORT
+        }
+#  endif
+#endif
 
 	chip->pcm = pcm;
 	if (rpcm)
diff --git a/sound/pci/ice1712/ak4524.c b/sound/pci/ice1712/ak4524.c
index bf0f0cdeb3bd..fe2e2a061de4 100644
--- a/sound/pci/ice1712/ak4524.c
+++ b/sound/pci/ice1712/ak4524.c
@@ -1,7 +1,7 @@
 /*
  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
  *
- *   AK4524 / AK4528 interface
+ *   AK4524 / AK4528 / AK4529 interface
  *
  *	Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz>
  *
@@ -67,6 +67,7 @@ void snd_ice1712_ak4524_write(ice1712_t *ice, int chip,
 
 	addr &= 0x07;
 	/* build I2C address + data byte */
+	/* assume C1=1, C0=0 */
 	addrdata = 0xa000 | (addr << 8) | data;
 	for (idx = 15; idx >= 0; idx--) {
 		tmp &= ~(ak->data_mask | ak->clk_mask);
@@ -80,11 +81,13 @@ void snd_ice1712_ak4524_write(ice1712_t *ice, int chip,
 		udelay(1);
 	}
 
-	if ((addr != 0x04 && addr != 0x05) || (data & 0x80) == 0)
-		ak->images[chip][addr] = data;
-	else
-		ak->ipga_gain[chip][addr-4] = data;
-
+	if (ak->type == SND_AK4524) {
+		if ((addr != 0x04 && addr != 0x05) || (data & 0x80) == 0)
+			ak->images[chip][addr] = data;
+		else
+			ak->ipga_gain[chip][addr-4] = data;
+	}
+	
 	if (ak->cs_mask == ak->cs_addr) {
 		if (ak->cif) {
 			/* assert a cs pulse to trigger */
@@ -112,16 +115,26 @@ void snd_ice1712_ak4524_reset(ice1712_t *ice, int state)
 	unsigned char reg;
 	ak4524_t *ak = &ice->ak4524;
 	
-	for (chip = 0; chip < ak->num_dacs/2; chip++) {
-		snd_ice1712_ak4524_write(ice, chip, 0x01, state ? 0x00 : 0x03);
-		if (state)
-			continue;
-		for (reg = 0x04; reg < (ak->is_ak4528 ? 0x06 : 0x08); reg++)
-			snd_ice1712_ak4524_write(ice, chip, reg, ak->images[chip][reg]);
-		if (ak->is_ak4528)
-			continue;
-		for (reg = 0x04; reg < 0x06; reg++)
-			snd_ice1712_ak4524_write(ice, chip, reg, ak->ipga_gain[chip][reg-4]);
+	switch (ak->type) {
+	case SND_AK4524:
+	case SND_AK4528:
+		for (chip = 0; chip < ak->num_dacs/2; chip++) {
+			snd_ice1712_ak4524_write(ice, chip, 0x01, state ? 0x00 : 0x03);
+			if (state)
+				continue;
+			/* DAC volumes */
+			for (reg = 0x04; reg < (ak->type == SND_AK4528 ? 0x06 : 0x08); reg++)
+				snd_ice1712_ak4524_write(ice, chip, reg, ak->images[chip][reg]);
+			if (ak->type == SND_AK4528)
+				continue;
+			/* IPGA */
+			for (reg = 0x04; reg < 0x06; reg++)
+				snd_ice1712_ak4524_write(ice, chip, reg, ak->ipga_gain[chip][reg-4]);
+		}
+		break;
+	case SND_AK4529:
+		/* FIXME: needed for ak4529? */
+		break;
 	}
 }
 
@@ -130,7 +143,7 @@ void snd_ice1712_ak4524_reset(ice1712_t *ice, int state)
  */
 void __devinit snd_ice1712_ak4524_init(ice1712_t *ice)
 {
-	static unsigned char inits[] = {
+	static unsigned char inits_ak4524[] = {
 		0x00, 0x07, /* 0: all power up */
 		0x01, 0x00, /* 1: ADC/DAC reset */
 		0x02, 0x60, /* 2: 24bit I2S */
@@ -144,28 +157,68 @@ void __devinit snd_ice1712_ak4524_init(ice1712_t *ice)
 		0x07, 0x00, /* 7: DAC right muted */
 		0xff, 0xff
 	};
-	int chip, idx;
-	unsigned char *ptr, reg, data;
+	static unsigned char inits_ak4528[] = {
+		0x00, 0x07, /* 0: all power up */
+		0x01, 0x00, /* 1: ADC/DAC reset */
+		0x02, 0x60, /* 2: 24bit I2S */
+		0x03, 0x0d, /* 3: deemphasis off, turn LR highpass filters on */
+		0x01, 0x03, /* 1: ADC/DAC enable */
+		0x04, 0x00, /* 4: ADC left muted */
+		0x05, 0x00, /* 5: ADC right muted */
+		0xff, 0xff
+	};
+	static unsigned char inits_ak4529[] = {
+		0x09, 0x01, /* 9: ATS=0, RSTN=1 */
+		0x0a, 0x3f, /* A: all power up, no zero/overflow detection */
+		0x00, 0x08, /* 0: TDM=0, 24bit I2S, SMUTE=0 */
+		0x01, 0x00, /* 1: ACKS=0, ADC, loop off */
+		0x02, 0xff, /* 2: LOUT1 muted */
+		0x03, 0xff, /* 3: ROUT1 muted */
+		0x04, 0xff, /* 4: LOUT2 muted */
+		0x05, 0xff, /* 5: ROUT2 muted */
+		0x06, 0xff, /* 6: LOUT3 muted */
+		0x07, 0xff, /* 7: ROUT3 muted */
+		0x0b, 0xff, /* B: LOUT4 muted */
+		0x0c, 0xff, /* C: ROUT4 muted */
+		0x08, 0x55, /* 8: deemphasis all off */
+		0xff, 0xff
+	};
+	int chip, num_chips;
+	unsigned char *ptr, reg, data, *inits;
 	ak4524_t *ak = &ice->ak4524;
 
-	for (chip = idx = 0; chip < ak->num_dacs/2; chip++) {
+	switch (ak->type) {
+	case SND_AK4524:
+		inits = inits_ak4524;
+		num_chips = ak->num_dacs / 2;
+		break;
+	case SND_AK4528:
+		inits = inits_ak4528;
+		num_chips = ak->num_dacs / 2;
+		break;
+	case SND_AK4529:
+	default:
+		inits = inits_ak4529;
+		num_chips = 1;
+		break;
+	}
+
+	for (chip = 0; chip < num_chips; chip++) {
 		ptr = inits;
 		while (*ptr != 0xff) {
 			reg = *ptr++;
 			data = *ptr++;
-			if (ak->is_ak4528) {
-				if (reg > 5)
-					continue;
-				if (reg >= 4 && (data & 0x80))
-					continue;
-			}
-			if (reg == 0x03 && ak->is_ak4528)
-				data = 0x0d;	/* deemphasis off, turn LR highpass filters on */
 			snd_ice1712_ak4524_write(ice, chip, reg, data);
 		}
 	}
 }
 
+
+#define AK_GET_CHIP(val)		(((val) >> 8) & 0xff)
+#define AK_GET_ADDR(val)		((val) & 0xff)
+#define AK_GET_SHIFT(val)		(((val) >> 16) & 0xff)
+#define AK_COMPOSE(chip,addr,shift)	(((chip) << 8) | (addr) | ((shift) << 16))
+
 static int snd_ice1712_ak4524_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
@@ -178,8 +231,8 @@ static int snd_ice1712_ak4524_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem
 static int snd_ice1712_ak4524_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 {
 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
-	int chip = kcontrol->private_value / 8;
-	int addr = kcontrol->private_value % 8;
+	int chip = AK_GET_CHIP(kcontrol->private_value);
+	int addr = AK_GET_ADDR(kcontrol->private_value);
 	ucontrol->value.integer.value[0] = ice->ak4524.images[chip][addr];
 	return 0;
 }
@@ -187,8 +240,8 @@ static int snd_ice1712_ak4524_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_
 static int snd_ice1712_ak4524_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 {
 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
-	int chip = kcontrol->private_value / 8;
-	int addr = kcontrol->private_value % 8;
+	int chip = AK_GET_CHIP(kcontrol->private_value);
+	int addr = AK_GET_ADDR(kcontrol->private_value);
 	unsigned char nval = ucontrol->value.integer.value[0];
 	int change = ice->ak4524.images[chip][addr] != nval;
 	if (change)
@@ -208,8 +261,8 @@ static int snd_ice1712_ak4524_ipga_gain_info(snd_kcontrol_t *kcontrol, snd_ctl_e
 static int snd_ice1712_ak4524_ipga_gain_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 {
 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
-	int chip = kcontrol->private_value / 8;
-	int addr = kcontrol->private_value % 8;
+	int chip = AK_GET_CHIP(kcontrol->private_value);
+	int addr = AK_GET_ADDR(kcontrol->private_value);
 	ucontrol->value.integer.value[0] = ice->ak4524.ipga_gain[chip][addr-4] & 0x7f;
 	return 0;
 }
@@ -217,8 +270,8 @@ static int snd_ice1712_ak4524_ipga_gain_get(snd_kcontrol_t *kcontrol, snd_ctl_el
 static int snd_ice1712_ak4524_ipga_gain_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 {
 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
-	int chip = kcontrol->private_value / 8;
-	int addr = kcontrol->private_value % 8;
+	int chip = AK_GET_CHIP(kcontrol->private_value);
+	int addr = AK_GET_ADDR(kcontrol->private_value);
 	unsigned char nval = (ucontrol->value.integer.value[0] % 37) | 0x80;
 	int change = ice->ak4524.ipga_gain[chip][addr] != nval;
 	if (change)
@@ -243,21 +296,26 @@ static int snd_ice1712_ak4524_deemphasis_info(snd_kcontrol_t *kcontrol, snd_ctl_
 static int snd_ice1712_ak4524_deemphasis_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 {
 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
-	int chip = kcontrol->id.index;
-	ucontrol->value.enumerated.item[0] = ice->ak4524.images[chip][3] & 3;
+	int chip = AK_GET_CHIP(kcontrol->private_value);
+	int addr = AK_GET_ADDR(kcontrol->private_value);
+	int shift = AK_GET_SHIFT(kcontrol->private_value);
+	ucontrol->value.enumerated.item[0] = (ice->ak4524.images[chip][addr] >> shift) & 3;
 	return 0;
 }
 
 static int snd_ice1712_ak4524_deemphasis_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 {
 	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
-	int chip = kcontrol->id.index;
-	unsigned char nval = ucontrol->value.enumerated.item[0];
+	int chip = AK_GET_CHIP(kcontrol->private_value);
+	int addr = AK_GET_ADDR(kcontrol->private_value);
+	int shift = AK_GET_SHIFT(kcontrol->private_value);
+	unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
 	int change;
-	nval |= (nval & 3) | (ice->ak4524.images[chip][3] & ~3);
-	change = ice->ak4524.images[chip][3] != nval;
+	
+	nval = (nval << shift) | (ice->ak4524.images[chip][addr] & ~(3 << shift));
+	change = ice->ak4524.images[chip][addr] != nval;
 	if (change)
-		snd_ice1712_ak4524_write(ice, chip, 3, nval);
+		snd_ice1712_ak4524_write(ice, chip, addr, nval);
 	return change;
 }
 
@@ -280,15 +338,24 @@ int __devinit snd_ice1712_ak4524_build_controls(ice1712_t *ice)
 		ctl.access = SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE;
 		ctl.get = snd_ice1712_ak4524_volume_get;
 		ctl.put = snd_ice1712_ak4524_volume_put;
-		if (ak->is_ak4528)
-			ctl.private_value = (idx / 2) * 8 + (idx % 2) + 4; /* register 4 & 5 */
-		else
-			ctl.private_value = (idx / 2) * 8 + (idx % 2) + 6; /* register 6 & 7 */
+		switch (ak->type) {
+		case SND_AK4524:
+			ctl.private_value = AK_COMPOSE(idx/2, (idx%2) + 6, 0); /* register 6 & 7 */
+			break;
+		case SND_AK4528:
+			ctl.private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0); /* register 4 & 5 */
+			break;
+		case SND_AK4529: {
+			int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb; /* registers 2-7 and b,c */
+			ctl.private_value = AK_COMPOSE(0, val, 0);
+			break;
+		}
+		}
 		ctl.private_data = ice;
 		if ((err = snd_ctl_add(ice->card, snd_ctl_new(&ctl))) < 0)
 			return err;
 	}
-	for (idx = 0; idx < ak->num_adcs && !ak->is_ak4528; ++idx) {
+	for (idx = 0; idx < ak->num_adcs && ak->type == SND_AK4524; ++idx) {
 		snd_kcontrol_t ctl;
 		memset(&ctl, 0, sizeof(ctl));
 		strcpy(ctl.id.name, "ADC Volume");
@@ -298,7 +365,7 @@ int __devinit snd_ice1712_ak4524_build_controls(ice1712_t *ice)
 		ctl.access = SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE;
 		ctl.get = snd_ice1712_ak4524_volume_get;
 		ctl.put = snd_ice1712_ak4524_volume_put;
-		ctl.private_value = (idx / 2) * 8 + (idx % 2) + 4; /* register 4 & 5 */
+		ctl.private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0); /* register 4 & 5 */
 		ctl.private_data = ice;
 		if ((err = snd_ctl_add(ice->card, snd_ctl_new(&ctl))) < 0)
 			return err;
@@ -310,7 +377,7 @@ int __devinit snd_ice1712_ak4524_build_controls(ice1712_t *ice)
 		ctl.access = SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE;
 		ctl.get = snd_ice1712_ak4524_ipga_gain_get;
 		ctl.put = snd_ice1712_ak4524_ipga_gain_put;
-		ctl.private_value = (idx / 2) * 8 + (idx % 2) + 4; /* register 4 & 5 */
+		ctl.private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0); /* register 4 & 5 */
 		ctl.private_data = ice;
 		if ((err = snd_ctl_add(ice->card, snd_ctl_new(&ctl))) < 0)
 			return err;
@@ -325,6 +392,17 @@ int __devinit snd_ice1712_ak4524_build_controls(ice1712_t *ice)
 		ctl.access = SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE;
 		ctl.get = snd_ice1712_ak4524_deemphasis_get;
 		ctl.put = snd_ice1712_ak4524_deemphasis_put;
+		switch (ak->type) {
+		case SND_AK4524:
+		case SND_AK4528:
+			ctl.private_value = AK_COMPOSE(idx, 3, 0); /* register 3 */
+			break;
+		case SND_AK4529: {
+			int shift = idx == 3 ? 6 : (2 - idx) * 2;
+			ctl.private_value = AK_COMPOSE(0, 8, shift); /* register 8 with shift */
+			break;
+		}
+		}
 		ctl.private_data = ice;
 		if ((err = snd_ctl_add(ice->card, snd_ctl_new(&ctl))) < 0)
 			return err;
diff --git a/sound/pci/ice1712/delta.c b/sound/pci/ice1712/delta.c
index 46a293aba458..e4518ddab848 100644
--- a/sound/pci/ice1712/delta.c
+++ b/sound/pci/ice1712/delta.c
@@ -337,6 +337,9 @@ static int __devinit snd_ice1712_delta_init(ice1712_t *ice)
 	case ICE1712_SUBDEVICE_AUDIOPHILE:
 		ice->num_total_dacs = 2;
 		break;
+	case ICE1712_SUBDEVICE_DELTA410:
+		ice->num_total_dacs = 8;
+		break;
 	case ICE1712_SUBDEVICE_DELTA44:
 	case ICE1712_SUBDEVICE_DELTA66:
 		ice->num_total_dacs = ice->omni ? 8 : 4;
@@ -350,6 +353,7 @@ static int __devinit snd_ice1712_delta_init(ice1712_t *ice)
 	/* initialize spdif */
 	switch (ice->eeprom.subvendor) {
 	case ICE1712_SUBDEVICE_AUDIOPHILE:
+	case ICE1712_SUBDEVICE_DELTA410:
 	case ICE1712_SUBDEVICE_DELTA1010LT:
 		if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
 			snd_printk("unable to create I2C bus\n");
@@ -378,12 +382,17 @@ static int __devinit snd_ice1712_delta_init(ice1712_t *ice)
 	ak = &ice->ak4524;
 	switch (ice->eeprom.subvendor) {
 	case ICE1712_SUBDEVICE_AUDIOPHILE:
+	case ICE1712_SUBDEVICE_DELTA410:
 		ak->num_adcs = ak->num_dacs = 2;
-		ak->is_ak4528 = 1;
-		ak->cif = 0; /* the default level of the CIF pin from AK4524 */
+		ak->type = SND_AK4528;
+		if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DELTA410) {
+			ak->num_dacs = 8;
+			ak->type = SND_AK4529;
+		}
+		ak->cif = 0; /* the default level of the CIF pin from AK4528/4529 */
 		ak->data_mask = ICE1712_DELTA_AP_DOUT;
 		ak->clk_mask = ICE1712_DELTA_AP_CCLK;
-		ak->cs_mask = ak->cs_addr = ICE1712_DELTA_AP_CS_CODEC; /* select AK4528 codec */
+		ak->cs_mask = ak->cs_addr = ICE1712_DELTA_AP_CS_CODEC; /* select AK4528/4529 codec */
 		ak->cs_none = 0;
 		ak->add_flags = ICE1712_DELTA_AP_CS_DIGITAL; /* assert digital high */
 		ak->mask_flags = 0;
@@ -392,6 +401,7 @@ static int __devinit snd_ice1712_delta_init(ice1712_t *ice)
 		break;
 	case ICE1712_SUBDEVICE_DELTA1010LT:
 		ak->num_adcs = ak->num_dacs = 8;
+		ak->type = SND_AK4524;
 		ak->cif = 0; /* the default level of the CIF pin from AK4524 */
 		ak->data_mask = ICE1712_DELTA_1010LT_DOUT;
 		ak->clk_mask = ICE1712_DELTA_1010LT_CCLK;
@@ -406,6 +416,7 @@ static int __devinit snd_ice1712_delta_init(ice1712_t *ice)
 	case ICE1712_SUBDEVICE_DELTA66:
 	case ICE1712_SUBDEVICE_DELTA44:
 		ak->num_adcs = ak->num_dacs = 4;
+		ak->type = SND_AK4524;
 		ak->cif = 0; /* the default level of the CIF pin from AK4524 */
 		ak->data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA;
 		ak->clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK;
@@ -471,6 +482,8 @@ static int __devinit snd_ice1712_delta_add_controls(ice1712_t *ice)
 	case ICE1712_SUBDEVICE_DELTADIO2496:
 	case ICE1712_SUBDEVICE_DELTA66:
 	case ICE1712_SUBDEVICE_AUDIOPHILE:
+	case ICE1712_SUBDEVICE_DELTA410:
+	case ICE1712_SUBDEVICE_DELTA1010LT:
 		err = snd_ice1712_spdif_build_controls(ice);
 		if (err < 0)
 			return err;
@@ -492,6 +505,7 @@ static int __devinit snd_ice1712_delta_add_controls(ice1712_t *ice)
 	switch (ice->eeprom.subvendor) {
 	case ICE1712_SUBDEVICE_DELTA1010LT:
 	case ICE1712_SUBDEVICE_AUDIOPHILE:
+	case ICE1712_SUBDEVICE_DELTA410:
 	case ICE1712_SUBDEVICE_DELTA44:
 	case ICE1712_SUBDEVICE_DELTA66:
 		err = snd_ice1712_ak4524_build_controls(ice);
@@ -539,6 +553,12 @@ struct snd_ice1712_card_info snd_ice1712_delta_cards[] __devinitdata = {
 		snd_ice1712_delta_add_controls,
 	},
 	{
+		ICE1712_SUBDEVICE_DELTA410,
+		"M Audio Delta 410",
+		snd_ice1712_delta_init,
+		snd_ice1712_delta_add_controls,
+	},
+	{
 		ICE1712_SUBDEVICE_DELTA1010LT,
 		"M Audio Delta 1010LT",
 		snd_ice1712_delta_init,
diff --git a/sound/pci/ice1712/delta.h b/sound/pci/ice1712/delta.h
index edae9fbcf224..dc8a3a61428d 100644
--- a/sound/pci/ice1712/delta.h
+++ b/sound/pci/ice1712/delta.h
@@ -37,6 +37,7 @@
 #define ICE1712_SUBDEVICE_DELTA66	0x121432d6
 #define ICE1712_SUBDEVICE_DELTA44	0x121433d6
 #define ICE1712_SUBDEVICE_AUDIOPHILE	0x121434d6
+#define ICE1712_SUBDEVICE_DELTA410	0x121438d6
 #define ICE1712_SUBDEVICE_DELTA1010LT	0x12143bd6
 
 /* entry point */
@@ -106,7 +107,8 @@ extern struct snd_ice1712_card_info snd_ice1712_delta_cards[];
 /* 0x40 = CODEC_CHIP_A */
 /* 0x80 = CODEC_CHIP_B */
 
-/* MidiMan M-Audio Audiophile definitions */
+/* MidiMan M-Audio Audiophile/Delta410 definitions */
+/* thanks to Kristof Pelckmans <Kristof.Pelckmans@antwerpen.be> for Delta410 info */
 /* 0x01 = DFS */
 #define ICE1712_DELTA_AP_CCLK	0x02	/* SPI clock */
 					/* (clocking on rising edge - 0->1) */
@@ -114,7 +116,7 @@ extern struct snd_ice1712_card_info snd_ice1712_delta_cards[];
 #define ICE1712_DELTA_AP_DOUT	0x08	/* data output */
 #define ICE1712_DELTA_AP_CS_DIGITAL 0x10 /* CS8427 chip select */
 					/* low signal = select */
-#define ICE1712_DELTA_AP_CS_CODEC 0x20	/* AK4528 chip select */
+#define ICE1712_DELTA_AP_CS_CODEC 0x20	/* AK4528 (audiophile), AK4529 (Delta410) chip select */
 					/* low signal = select */
 
 /* MidiMan M-Audio Delta1010LT definitions */
diff --git a/sound/pci/ice1712/ews.c b/sound/pci/ice1712/ews.c
index 230731ad8a14..2195982175a0 100644
--- a/sound/pci/ice1712/ews.c
+++ b/sound/pci/ice1712/ews.c
@@ -406,6 +406,7 @@ static int __devinit snd_ice1712_ews_init(ice1712_t *ice)
 	switch (ice->eeprom.subvendor) {
 	case ICE1712_SUBDEVICE_EWS88MT:
 		ak->num_adcs = ak->num_dacs = 8;
+		ak->type = SND_AK4524;
 		ak->cif = 1; /* CIF high */
 		ak->data_mask = ICE1712_EWS88_SERIAL_DATA;
 		ak->clk_mask = ICE1712_EWS88_SERIAL_CLOCK;
@@ -418,6 +419,7 @@ static int __devinit snd_ice1712_ews_init(ice1712_t *ice)
 		break;
 	case ICE1712_SUBDEVICE_EWX2496:
 		ak->num_adcs = ak->num_dacs = 2;
+		ak->type = SND_AK4524;
 		ak->cif = 1; /* CIF high */
 		ak->data_mask = ICE1712_EWS88_SERIAL_DATA;
 		ak->clk_mask = ICE1712_EWS88_SERIAL_CLOCK;
@@ -430,6 +432,7 @@ static int __devinit snd_ice1712_ews_init(ice1712_t *ice)
 		break;
 	case ICE1712_SUBDEVICE_DMX6FIRE:
 		ak->num_adcs = ak->num_dacs = 6;
+		ak->type = SND_AK4524;
 		ak->cif = 1; /* CIF high */
 		ak->data_mask = ICE1712_6FIRE_SERIAL_DATA;
 		ak->clk_mask = ICE1712_6FIRE_SERIAL_CLOCK;
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 2e7f439874b2..e1dba1ddbfcb 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -1532,7 +1532,7 @@ static snd_kcontrol_new_t snd_ice1712_eeprom __devinitdata = {
 
 /*
  */
-static int snd_ice1712_spdif_default_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_ice1712_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 	uinfo->count = 1;
@@ -1559,20 +1559,13 @@ static int snd_ice1712_spdif_default_put(snd_kcontrol_t * kcontrol,
 
 static snd_kcontrol_new_t snd_ice1712_spdif_default __devinitdata =
 {
-	.iface =		SNDRV_CTL_ELEM_IFACE_PCM,
-	.name =           SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
-	.info =		snd_ice1712_spdif_default_info,
+	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
+	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+	.info =		snd_ice1712_spdif_info,
 	.get =		snd_ice1712_spdif_default_get,
 	.put =		snd_ice1712_spdif_default_put
 };
 
-static int snd_ice1712_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
-{
-	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
-	uinfo->count = 1;
-	return 0;
-}
-
 static int snd_ice1712_spdif_maskc_get(snd_kcontrol_t * kcontrol,
 				       snd_ctl_elem_value_t * ucontrol)
 {
@@ -1617,29 +1610,22 @@ static int snd_ice1712_spdif_maskp_get(snd_kcontrol_t * kcontrol,
 
 static snd_kcontrol_new_t snd_ice1712_spdif_maskc __devinitdata =
 {
-	.access =		SNDRV_CTL_ELEM_ACCESS_READ,
-	.iface =		SNDRV_CTL_ELEM_IFACE_MIXER,
-	.name =           SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
-	.info =		snd_ice1712_spdif_mask_info,
+	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
+	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
+	.info =		snd_ice1712_spdif_info,
 	.get =		snd_ice1712_spdif_maskc_get,
 };
 
 static snd_kcontrol_new_t snd_ice1712_spdif_maskp __devinitdata =
 {
-	.access =		SNDRV_CTL_ELEM_ACCESS_READ,
-	.iface =		SNDRV_CTL_ELEM_IFACE_MIXER,
-	.name =           SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
-	.info =		snd_ice1712_spdif_mask_info,
+	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
+	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
+	.info =		snd_ice1712_spdif_info,
 	.get =		snd_ice1712_spdif_maskp_get,
 };
 
-static int snd_ice1712_spdif_stream_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
-{
-	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
-	uinfo->count = 1;
-	return 0;
-}
-
 static int snd_ice1712_spdif_stream_get(snd_kcontrol_t * kcontrol,
 					snd_ctl_elem_value_t * ucontrol)
 {
@@ -1660,10 +1646,10 @@ static int snd_ice1712_spdif_stream_put(snd_kcontrol_t * kcontrol,
 
 static snd_kcontrol_new_t snd_ice1712_spdif_stream __devinitdata =
 {
-	.access =		SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
-	.iface =		SNDRV_CTL_ELEM_IFACE_PCM,
-	.name =           SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
-	.info =		snd_ice1712_spdif_stream_info,
+	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
+	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
+	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
+	.info =		snd_ice1712_spdif_info,
 	.get =		snd_ice1712_spdif_stream_get,
 	.put =		snd_ice1712_spdif_stream_put
 };
diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h
index d530dd64d629..3d6ae77c1d62 100644
--- a/sound/pci/ice1712/ice1712.h
+++ b/sound/pci/ice1712/ice1712.h
@@ -239,10 +239,12 @@ typedef struct {
 struct snd_ak4524 {
 	int num_adcs;			/* AK4524 or AK4528 ADCs */
 	int num_dacs;			/* AK4524 or AK4528 DACs */
-	unsigned char images[4][8];
+	unsigned char images[4][16];
 	unsigned char ipga_gain[4][2];
 	/* */
-	unsigned int is_ak4528: 1;	/* AK4524 or AK4528 */
+	enum {
+		SND_AK4524, SND_AK4528, SND_AK4529
+	} type;
 	unsigned int cif: 1;
 	unsigned char data_mask;
 	unsigned char clk_mask;
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 24c693642b65..d18451343ddf 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -935,7 +935,8 @@ static int set_format(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime)
 	struct usb_device *dev = subs->dev;
 	struct usb_host_config *config = dev->actconfig;
 	struct usb_host_interface *alts;
-	struct usb_interface *iface;	
+	struct usb_interface_descriptor *altsd;
+	struct usb_interface *iface;
 	struct audioformat *fmt;
 	unsigned int ep, attr;
 	unsigned char data[3];
@@ -951,7 +952,8 @@ static int set_format(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime)
 
 	iface = &config->interface[fmt->iface];
 	alts = &iface->altsetting[fmt->altset_idx];
-	snd_assert(alts->desc.bAlternateSetting == fmt->altsetting, return -EINVAL);
+	altsd = get_iface_desc(alts);
+	snd_assert(altsd->bAlternateSetting == fmt->altsetting, return -EINVAL);
 
 	/* close the old interface */
 	if (subs->interface >= 0 && subs->interface != fmt->iface) {
@@ -973,31 +975,31 @@ static int set_format(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime)
 	}
 
 	/* create a data pipe */
-	ep = alts->endpoint[0].desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+	ep = get_endpoint(alts, 0)->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 	if (is_playback)
 		subs->datapipe = usb_sndisocpipe(dev, ep);
 	else
 		subs->datapipe = usb_rcvisocpipe(dev, ep);
 	subs->syncpipe = subs->syncinterval = 0;
-	subs->maxpacksize = alts->endpoint[0].desc.wMaxPacketSize;
+	subs->maxpacksize = get_endpoint(alts, 0)->wMaxPacketSize;
 	subs->maxframesize = bytes_to_frames(runtime, subs->maxpacksize);
 	subs->fill_max = 0;
 
 	/* we need a sync pipe in async OUT or adaptive IN mode */
-	attr = alts->endpoint[0].desc.bmAttributes & EP_ATTR_MASK;
+	attr = get_endpoint(alts, 0)->bmAttributes & EP_ATTR_MASK;
 	if ((is_playback && attr == EP_ATTR_ASYNC) ||
 	    (! is_playback && attr == EP_ATTR_ADAPTIVE)) {
 		/* check endpoint */
-		if (alts->desc.bNumEndpoints < 2 ||
-		    alts->endpoint[1].desc.bmAttributes != 0x01 ||
-		    alts->endpoint[1].desc.bSynchAddress != 0) {
+		if (altsd->bNumEndpoints < 2 ||
+		    get_endpoint(alts, 1)->bmAttributes != 0x01 ||
+		    get_endpoint(alts, 1)->bSynchAddress != 0) {
 			snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n",
 				   dev->devnum, fmt->iface, fmt->altsetting);
 			return -EINVAL;
 		}
-		ep = alts->endpoint[1].desc.bEndpointAddress;
-		if ((is_playback && ep != (alts->endpoint[0].desc.bSynchAddress | USB_DIR_IN)) ||
-		    (! is_playback && ep != (alts->endpoint[0].desc.bSynchAddress & ~USB_DIR_IN))) {
+		ep = get_endpoint(alts, 1)->bEndpointAddress;
+		if ((is_playback && ep != (get_endpoint(alts, 0)->bSynchAddress | USB_DIR_IN)) ||
+		    (! is_playback && ep != (get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN))) {
 			snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n",
 				   dev->devnum, fmt->iface, fmt->altsetting);
 			return -EINVAL;
@@ -1007,10 +1009,10 @@ static int set_format(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime)
 			subs->syncpipe = usb_rcvisocpipe(dev, ep);
 		else
 			subs->syncpipe = usb_sndisocpipe(dev, ep);
-		subs->syncinterval = alts->endpoint[1].desc.bRefresh;
+		subs->syncinterval = get_endpoint(alts, 1)->bRefresh;
 	}
 
-	ep = alts->endpoint[0].desc.bEndpointAddress;
+	ep = get_endpoint(alts, 0)->bEndpointAddress;
 	/* if endpoint has pitch control, enable it */
 	if (fmt->attributes & EP_CS_ATTR_PITCH_CONTROL) {
 		data[0] = 1;
@@ -1676,6 +1678,7 @@ static int parse_audio_endpoints(snd_usb_audio_t *chip, unsigned char *buffer, i
 	struct usb_host_config *config;
 	struct usb_interface *iface;
 	struct usb_host_interface *alts;
+	struct usb_interface_descriptor *altsd;
 	int i, altno, err, stream;
 	int channels, nr_rates, pcm_format, format;
 	struct audioformat *fp;
@@ -1688,19 +1691,20 @@ static int parse_audio_endpoints(snd_usb_audio_t *chip, unsigned char *buffer, i
 	iface = &config->interface[iface_no];
 	for (i = 0; i < iface->num_altsetting; i++) {
 		alts = &iface->altsetting[i];
+		altsd = get_iface_desc(alts);
 		/* skip invalid one */
-		if (alts->desc.bInterfaceClass != USB_CLASS_AUDIO ||
-		    alts->desc.bInterfaceSubClass != USB_SUBCLASS_AUDIO_STREAMING ||
-		    alts->desc.bNumEndpoints < 1)
+		if (altsd->bInterfaceClass != USB_CLASS_AUDIO ||
+		    altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIO_STREAMING ||
+		    altsd->bNumEndpoints < 1)
 			continue;
 		/* must be isochronous */
-		if ((alts->endpoint[0].desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
+		if ((get_endpoint(alts, 0)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
 		    USB_ENDPOINT_XFER_ISOC)
 			continue;
 		/* check direction */
-		stream = (alts->endpoint[0].desc.bEndpointAddress & USB_DIR_IN) ?
+		stream = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN) ?
 			SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
-		altno = alts->desc.bAlternateSetting;
+		altno = altsd->bAlternateSetting;
 
 		/* get audio formats */
 		fmt = snd_usb_find_csint_desc(buffer, buflen, NULL, AS_GENERAL, iface_no, altno);
@@ -1767,8 +1771,8 @@ static int parse_audio_endpoints(snd_usb_audio_t *chip, unsigned char *buffer, i
 		fp->altsetting = altno;
 		fp->altset_idx = i;
 		fp->format = pcm_format;
-		fp->endpoint = alts->endpoint[0].desc.bEndpointAddress;
-		fp->ep_attr = alts->endpoint[0].desc.bmAttributes;
+		fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
+		fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
 		fp->channels = channels;
 		fp->attributes = csep[3];
 
@@ -1857,8 +1861,10 @@ static int snd_usb_create_streams(snd_usb_audio_t *chip, int ctrlif,
 	 */
 	config = dev->actconfig;
 	for (i = 0; i < p1[7]; i++) {
+		struct usb_host_interface *alts;
+		struct usb_interface_descriptor *altsd;
 		j = p1[8 + i];
-		if (j >= config->desc.bNumInterfaces) {
+		if (j >= get_cfg_desc(config)->bNumInterfaces) {
 			snd_printk(KERN_ERR "%d:%u:%d : does not exist\n",
 				   dev->devnum, ctrlif, j);
 			continue;
@@ -1868,8 +1874,10 @@ static int snd_usb_create_streams(snd_usb_audio_t *chip, int ctrlif,
 			snd_printdd(KERN_INFO "%d:%d:%d: skipping, already claimed\n", dev->devnum, ctrlif, j);
 			continue;
 		}
-		if (iface->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO &&
-		    iface->altsetting[0].desc.bInterfaceSubClass == USB_SUBCLASS_MIDI_STREAMING) {
+		alts = &iface->altsetting[0];
+		altsd = get_iface_desc(alts);
+		if (altsd->bInterfaceClass == USB_CLASS_AUDIO &&
+		    altsd->bInterfaceSubClass == USB_SUBCLASS_MIDI_STREAMING) {
 			if (snd_usb_create_midi_interface(chip, iface, NULL) < 0) {
 				snd_printk(KERN_ERR "%d:%u:%d: cannot create sequencer device\n", dev->devnum, ctrlif, j);
 				continue;
@@ -1877,9 +1885,9 @@ static int snd_usb_create_streams(snd_usb_audio_t *chip, int ctrlif,
 			usb_driver_claim_interface(&usb_audio_driver, iface, (void *)-1);
 			continue;
 		}
-		if (iface->altsetting[0].desc.bInterfaceClass != USB_CLASS_AUDIO ||
-		    iface->altsetting[0].desc.bInterfaceSubClass != USB_SUBCLASS_AUDIO_STREAMING) {
-			snd_printdd(KERN_ERR "%d:%u:%d: skipping non-supported interface %d\n", dev->devnum, ctrlif, j, iface->altsetting[0].desc.bInterfaceClass);
+		if (altsd->bInterfaceClass != USB_CLASS_AUDIO ||
+		    altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIO_STREAMING) {
+			snd_printdd(KERN_ERR "%d:%u:%d: skipping non-supported interface %d\n", dev->devnum, ctrlif, j, altsd->bInterfaceClass);
 			/* skip non-supported classes */
 			continue;
 		}
@@ -1941,7 +1949,7 @@ static int snd_usb_roland_ua100_hack(snd_usb_audio_t *chip)
 	struct usb_interface *iface;
 	int err;
 
-	if (cfg->desc.bNumInterfaces != 3) {
+	if (get_cfg_desc(cfg)->bNumInterfaces != 3) {
 		snd_printdd(KERN_ERR "invalid UA-100 descriptor\n");
 		return -ENXIO;
 	}
@@ -2134,18 +2142,22 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
 				 struct usb_interface *intf,
 				 const struct usb_device_id *usb_id)
 {
-	struct usb_host_config *config = dev->actconfig;	
+	struct usb_host_config *config = dev->actconfig;
 	const snd_usb_audio_quirk_t *quirk = (const snd_usb_audio_quirk_t *)usb_id->driver_info;
 	int i;
 	snd_card_t *card;
 	snd_usb_audio_t *chip;
-	int ifnum = intf->altsetting->desc.bInterfaceNumber;
+	struct usb_host_interface *alts;
+	int ifnum;
+
+	alts = &intf->altsetting[0];
+	ifnum = get_iface_desc(alts)->bInterfaceNumber;
 
 	if (quirk && quirk->ifnum != QUIRK_ANY_INTERFACE && ifnum != quirk->ifnum)
 		goto __err_val;
 
-	if (usb_set_configuration(dev, config->desc.bConfigurationValue) < 0) {
-		snd_printk(KERN_ERR "cannot set configuration (value 0x%x)\n", config->desc.bConfigurationValue);
+	if (usb_set_configuration(dev, get_cfg_desc(config)->bConfigurationValue) < 0) {
+		snd_printk(KERN_ERR "cannot set configuration (value 0x%x)\n", get_cfg_desc(config)->bConfigurationValue);
 		goto __err_val;
 	}
 
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 868143cd4f47..1f70895ea831 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -191,4 +191,15 @@ int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif, unsigned char *buffe
 
 int snd_usb_create_midi_interface(snd_usb_audio_t *chip, struct usb_interface *iface, const snd_usb_audio_quirk_t *quirk);
 
+/*
+ * retrieve usb_interface descriptor from the host interface
+ * (conditional for compatibility with the older API)
+ */
+#ifndef get_iface_desc
+#define get_iface_desc(iface)	(&iface->desc)
+#define get_endpoint(alt,ep)	(&(alt)->endpoint[ep].desc)
+#define get_ep_desc(ep)		(&(ep)->desc)
+#define get_cfg_desc(cfg)	(&(cfg)->desc)
+#endif
+
 #endif /* __USBAUDIO_H */
diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
index f26b2069e5b2..4e75e1c102ec 100644
--- a/sound/usb/usbmidi.c
+++ b/sound/usb/usbmidi.c
@@ -515,7 +515,8 @@ static void snd_usbmidi_in_endpoint_delete(snd_usb_midi_in_endpoint_t* ep)
 static struct usb_endpoint_descriptor* snd_usbmidi_get_int_epd(snd_usb_midi_t* umidi)
 {
 	struct usb_interface* intf;
-	struct usb_host_interface* intfd;
+	struct usb_host_interface *hostif;
+	struct usb_interface_descriptor* intfd;
 
 	if (umidi->chip->dev->descriptor.idVendor != 0x0582)
 		return NULL;
@@ -523,29 +524,37 @@ static struct usb_endpoint_descriptor* snd_usbmidi_get_int_epd(snd_usb_midi_t* u
 	if (!intf || intf->num_altsetting != 2)
 		return NULL;
 
-	intfd = &intf->altsetting[0];
-	if (intfd->desc.bNumEndpoints != 2 ||
-	    (intfd->endpoint[0].desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK ||
-	    (intfd->endpoint[1].desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK)
+	hostif = &intf->altsetting[0];
+	intfd = get_iface_desc(hostif);
+	if (intfd->bNumEndpoints != 2 ||
+	    (get_endpoint(hostif, 0)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK ||
+	    (get_endpoint(hostif, 1)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK)
 		return NULL;
 
-	intfd = &intf->altsetting[1];
-	if (intfd->desc.bNumEndpoints != 2 ||
-	    (intfd->endpoint[0].desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK ||
-	    (intfd->endpoint[1].desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+	hostif = &intf->altsetting[1];
+	intfd = get_iface_desc(hostif);
+	if (intfd->bNumEndpoints != 2 ||
+	    (get_endpoint(hostif, 0)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK ||
+	    (get_endpoint(hostif, 1)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
 		return NULL;
 
-	usb_set_interface(umidi->chip->dev, intfd->desc.bInterfaceNumber,
-			  intfd->desc.bAlternateSetting);
-	return &intfd->endpoint[1].desc;
+	usb_set_interface(umidi->chip->dev, intfd->bInterfaceNumber,
+			  intfd->bAlternateSetting);
+	return get_endpoint(hostif, 1);
 }
 
 static struct usb_endpoint_descriptor* snd_usbmidi_get_midiman_int_epd(snd_usb_midi_t* umidi)
 {
 	struct usb_interface* intf = umidi->iface;
-	if (!intf || intf->altsetting[0].desc.bNumEndpoints < 1)
+	struct usb_host_interface *hostif;
+	struct usb_interface_descriptor *intfd;
+	if (!intf)
+		return NULL;
+	hostif = &intf->altsetting[0];
+	intfd = get_iface_desc(hostif);
+	if (intfd->bNumEndpoints < 1)
 		return NULL;
-	return &intf->altsetting[0].endpoint[0].desc;
+	return get_endpoint(hostif, 0);
 }
 
 /*
@@ -772,18 +781,21 @@ static int snd_usbmidi_get_ms_info(snd_usb_midi_t* umidi,
 			   	   snd_usb_midi_endpoint_info_t* endpoints)
 {
 	struct usb_interface* intf;
-	struct usb_host_interface* intfd;
+	struct usb_host_interface *hostif;
+	struct usb_interface_descriptor* intfd;
 	struct usb_ms_header_descriptor* ms_header;
-	struct usb_host_endpoint* ep;
+	struct usb_host_endpoint *hostep;
+	struct usb_endpoint_descriptor* ep;
 	struct usb_ms_endpoint_descriptor* ms_ep;
 	int i, epidx;
 
 	intf = umidi->iface;
 	if (!intf)
 		return -ENXIO;
-	intfd = &intf->altsetting[0];
-	ms_header = (struct usb_ms_header_descriptor*)intfd->extra;
-	if (intfd->extralen >= 7 &&
+	hostif = &intf->altsetting[0];
+	intfd = get_iface_desc(hostif);
+	ms_header = (struct usb_ms_header_descriptor*)hostif->extra;
+	if (hostif->extralen >= 7 &&
 	    ms_header->bLength >= 7 &&
 	    ms_header->bDescriptorType == USB_DT_CS_INTERFACE &&
 	    ms_header->bDescriptorSubtype == HEADER)
@@ -793,33 +805,34 @@ static int snd_usbmidi_get_ms_info(snd_usb_midi_t* umidi,
 		printk(KERN_WARNING "snd-usb-midi: MIDIStreaming interface descriptor not found\n");
 
 	epidx = 0;
-	for (i = 0; i < intfd->desc.bNumEndpoints; ++i) {
-		ep = &intfd->endpoint[i];
-		if ((ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK)
+	for (i = 0; i < intfd->bNumEndpoints; ++i) {
+		hostep = &hostif->endpoint[i];
+		ep = get_ep_desc(hostep);
+		if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK)
 			continue;
-		ms_ep = (struct usb_ms_endpoint_descriptor*)ep->extra;
-		if (ep->extralen < 4 ||
+		ms_ep = (struct usb_ms_endpoint_descriptor*)hostep->extra;
+		if (hostep->extralen < 4 ||
 		    ms_ep->bLength < 4 ||
 		    ms_ep->bDescriptorType != USB_DT_CS_ENDPOINT ||
 		    ms_ep->bDescriptorSubtype != MS_GENERAL)
 			continue;
 		if (endpoints[epidx].epnum != 0 &&
-		    endpoints[epidx].epnum != (ep->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)) {
+		    endpoints[epidx].epnum != (ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)) {
 			++epidx;
 			if (epidx >= MIDI_MAX_ENDPOINTS) {
 				printk(KERN_WARNING "snd-usb-midi: too many endpoints\n");
 				break;
 			}
 		}
-		endpoints[epidx].epnum = ep->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-		if (ep->desc.bEndpointAddress & USB_DIR_IN) {
+		endpoints[epidx].epnum = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+		if (ep->bEndpointAddress & USB_DIR_IN) {
 			endpoints[epidx].in_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1;
 		} else {
 			endpoints[epidx].out_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1;
 		}
 		printk(KERN_INFO "snd-usb-midi: detected %d %s jack(s) on endpoint %d\n",
 		       ms_ep->bNumEmbMIDIJack,
-		       ep->desc.bEndpointAddress & USB_DIR_IN ? "input" : "output",
+		       ep->bEndpointAddress & USB_DIR_IN ? "input" : "output",
 		       endpoints[epidx].epnum);
 	}
 	return 0;
@@ -833,17 +846,19 @@ static int snd_usbmidi_detect_endpoint(snd_usb_midi_t* umidi,
 			       	       snd_usb_midi_endpoint_info_t* endpoint)
 {
 	struct usb_interface* intf;
-	struct usb_host_interface* intfd;
+	struct usb_host_interface *hostif;
+	struct usb_interface_descriptor* intfd;
 	struct usb_endpoint_descriptor* epd;
 
 	if (endpoint->epnum == -1) {
 		intf = umidi->iface;
 		if (!intf || intf->num_altsetting < 1)
 			return -ENOENT;
-		intfd = intf->altsetting;
-		if (intfd->desc.bNumEndpoints < 1)
+		hostif = intf->altsetting;
+		intfd = get_iface_desc(hostif);
+		if (intfd->bNumEndpoints < 1)
 			return -ENOENT;
-		epd = &intfd->endpoint [0].desc;
+		epd = get_endpoint(hostif, 0);
 		endpoint->epnum = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 	}
 	return 0;
@@ -856,18 +871,20 @@ static int snd_usbmidi_detect_yamaha(snd_usb_midi_t* umidi,
 				     snd_usb_midi_endpoint_info_t* endpoint)
 {
 	struct usb_interface* intf;
-	struct usb_host_interface* intfd;
+	struct usb_host_interface *hostif;
+	struct usb_interface_descriptor* intfd;
 	uint8_t* cs_desc;
 
 	intf = umidi->iface;
 	if (!intf)
 		return -ENOENT;
-	intfd = intf->altsetting;
-	if (intfd->desc.bNumEndpoints < 1)
+	hostif = intf->altsetting;
+	intfd = get_iface_desc(hostif);
+	if (intfd->bNumEndpoints < 1)
 		return -ENOENT;
 
-	for (cs_desc = intfd->extra;
-	     cs_desc < intfd->extra + intfd->extralen && cs_desc[0] >= 2;
+	for (cs_desc = hostif->extra;
+	     cs_desc < hostif->extra + hostif->extralen && cs_desc[0] >= 2;
 	     cs_desc += cs_desc[0]) {
 		if (cs_desc[1] == CS_AUDIO_INTERFACE) {
 			if (cs_desc[2] == MIDI_IN_JACK)
@@ -890,33 +907,35 @@ static int snd_usbmidi_create_endpoints_midiman(snd_usb_midi_t* umidi, int ports
 {
 	snd_usb_midi_endpoint_info_t ep_info;
 	struct usb_interface* intf;
-	struct usb_host_interface* intfd;
+	struct usb_host_interface *hostif;
+	struct usb_interface_descriptor* intfd;
 	struct usb_endpoint_descriptor* epd;
 	int cable, err;
 
 	intf = umidi->iface;
 	if (!intf)
 		return -ENOENT;
-	intfd = intf->altsetting;
-	if (intfd->desc.bNumEndpoints < (ports > 1 ? 5 : 3)) {
+	hostif = intf->altsetting;
+	intfd = get_iface_desc(hostif);
+	if (intfd->bNumEndpoints < (ports > 1 ? 5 : 3)) {
 		snd_printdd(KERN_ERR "not enough endpoints\n");
 		return -ENOENT;
 	}
 
-	epd = &intfd->endpoint[0].desc;
+	epd = get_endpoint(hostif, 0);
 	if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN ||
 	    (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) {
 		snd_printdd(KERN_ERR "endpoint[0] isn't interrupt\n");
 		return -ENXIO;
 	}
-	epd = &intfd->endpoint[2].desc;
+	epd = get_endpoint(hostif, 2);
 	if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT ||
 	    (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
 		snd_printdd(KERN_ERR "endpoint[2] isn't bulk output\n");
 		return -ENXIO;
 	}
 	if (ports > 1) {
-		epd = &intfd->endpoint[4].desc;
+		epd = get_endpoint(hostif, 4);
 		if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT ||
 		    (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
 			snd_printdd(KERN_ERR "endpoint[4] isn't bulk output\n");
@@ -924,13 +943,13 @@ static int snd_usbmidi_create_endpoints_midiman(snd_usb_midi_t* umidi, int ports
 		}
 	}
 
-	ep_info.epnum = intfd->endpoint[2].desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+	ep_info.epnum = get_endpoint(hostif, 2)->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 	ep_info.out_cables = 0x5555 & ((1 << ports) - 1);
 	err = snd_usbmidi_out_endpoint_create(umidi, &ep_info, &umidi->endpoints[0]);
 	if (err < 0)
 		return err;
 
-	ep_info.epnum = intfd->endpoint[0].desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+	ep_info.epnum = get_endpoint(hostif, 0)->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 	ep_info.in_cables = (1 << ports) - 1;
 	err = snd_usbmidi_in_endpoint_create(umidi, &ep_info, &umidi->endpoints[0]);
 	if (err < 0)
@@ -938,7 +957,7 @@ static int snd_usbmidi_create_endpoints_midiman(snd_usb_midi_t* umidi, int ports
 	umidi->endpoints[0].in->urb->complete = snd_usbmidi_in_midiman_complete;
 
 	if (ports > 1) {
-		ep_info.epnum = intfd->endpoint[4].desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+		ep_info.epnum = get_endpoint(hostif, 4)->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 		ep_info.out_cables = 0xaaaa & ((1 << ports) - 1);
 		err = snd_usbmidi_out_endpoint_create(umidi, &ep_info, &umidi->endpoints[1]);
 		if (err < 0)