[ARM] 3455/1: ARM: OMAP: 7/8 Misc updates, take 2

Patch from Tony Lindgren

Update misc OMAP core code from linux-omap tree:

- McBSP updates by Samuel Ortiz, Andrzej Zaborowski
- Whitespace cleanups by Ladislav Michl
- Other fixes by various linux-omap developers

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-omap1/Makefile

@@ -3,7 +3,13 @@
 #
 
 # Common support
-obj-y := io.o id.o clock.o irq.o time.o mux.o serial.o devices.o
+obj-y := io.o id.o clock.o irq.o mux.o serial.o devices.o
+
+obj-$(CONFIG_OMAP_MPU_TIMER)		+= time.o
+
+# Power Management
+obj-$(CONFIG_PM) += pm.o sleep.o
+
 led-y := leds.o
 
 # Specific board support
@@ -14,8 +20,9 @@ obj-$(CONFIG_MACH_OMAP_PERSEUS2)	+= board-perseus2.o
 obj-$(CONFIG_MACH_OMAP_OSK)		+= board-osk.o
 obj-$(CONFIG_MACH_OMAP_H3)		+= board-h3.o
 obj-$(CONFIG_MACH_VOICEBLUE)		+= board-voiceblue.o
-obj-$(CONFIG_MACH_NETSTAR)		+= board-netstar.o
 obj-$(CONFIG_MACH_OMAP_PALMTE)		+= board-palmte.o
+obj-$(CONFIG_MACH_NOKIA770)		+= board-nokia770.o
+obj-$(CONFIG_MACH_AMS_DELTA)		+= board-ams-delta.o
 
 ifeq ($(CONFIG_ARCH_OMAP15XX),y)
 # Innovator-1510 FPGA

arch/arm/mach-omap1/io.c

@@ -18,6 +18,7 @@
 #include <asm/io.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/tc.h>
+#include <asm/arch/omapfb.h>
 
 extern int omap1_clk_init(void);
 extern void omap_check_revision(void);
@@ -110,7 +111,7 @@ void __init omap1_map_common_io(void)
 	}
 #endif
 #ifdef CONFIG_ARCH_OMAP15XX
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap15xx()) {
 		iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc));
 	}
 #endif
@@ -121,6 +122,7 @@ void __init omap1_map_common_io(void)
 #endif
 
 	omap_sram_init();
+	omapfb_reserve_mem();
 }
 
 /*

arch/arm/mach-omap1/irq.c

@@ -60,7 +60,7 @@ struct omap_irq_bank {
 	unsigned long wake_enable;
 };
 
-static unsigned int irq_bank_count = 0;
+static unsigned int irq_bank_count;
 static struct omap_irq_bank *irq_banks;
 
 static inline unsigned int irq_bank_readl(int bank, int offset)
@@ -142,28 +142,28 @@ static void omap_irq_set_cfg(int irq, int fiq, int priority, int trigger)
 
 #ifdef CONFIG_ARCH_OMAP730
 static struct omap_irq_bank omap730_irq_banks[] = {
-	{ .base_reg = OMAP_IH1_BASE, 		.trigger_map = 0xb3f8e22f },
-	{ .base_reg = OMAP_IH2_BASE, 		.trigger_map = 0xfdb9c1f2 },
+	{ .base_reg = OMAP_IH1_BASE,		.trigger_map = 0xb3f8e22f },
+	{ .base_reg = OMAP_IH2_BASE,		.trigger_map = 0xfdb9c1f2 },
 	{ .base_reg = OMAP_IH2_BASE + 0x100,	.trigger_map = 0x800040f3 },
 };
 #endif
 
 #ifdef CONFIG_ARCH_OMAP15XX
 static struct omap_irq_bank omap1510_irq_banks[] = {
-	{ .base_reg = OMAP_IH1_BASE, 		.trigger_map = 0xb3febfff },
-	{ .base_reg = OMAP_IH2_BASE, 		.trigger_map = 0xffbfffed },
+	{ .base_reg = OMAP_IH1_BASE,		.trigger_map = 0xb3febfff },
+	{ .base_reg = OMAP_IH2_BASE,		.trigger_map = 0xffbfffed },
 };
 static struct omap_irq_bank omap310_irq_banks[] = {
-	{ .base_reg = OMAP_IH1_BASE, 		.trigger_map = 0xb3faefc3 },
-	{ .base_reg = OMAP_IH2_BASE, 		.trigger_map = 0x65b3c061 },
+	{ .base_reg = OMAP_IH1_BASE,		.trigger_map = 0xb3faefc3 },
+	{ .base_reg = OMAP_IH2_BASE,		.trigger_map = 0x65b3c061 },
 };
 #endif
 
 #if defined(CONFIG_ARCH_OMAP16XX)
 
 static struct omap_irq_bank omap1610_irq_banks[] = {
-	{ .base_reg = OMAP_IH1_BASE, 		.trigger_map = 0xb3fefe8f },
-	{ .base_reg = OMAP_IH2_BASE, 		.trigger_map = 0xfdb7c1fd },
+	{ .base_reg = OMAP_IH1_BASE,		.trigger_map = 0xb3fefe8f },
+	{ .base_reg = OMAP_IH2_BASE,		.trigger_map = 0xfdb7c1fd },
 	{ .base_reg = OMAP_IH2_BASE + 0x100,	.trigger_map = 0xffffb7ff },
 	{ .base_reg = OMAP_IH2_BASE + 0x200,	.trigger_map = 0xffffffff },
 };

arch/arm/mach-omap1/serial.c

@@ -30,9 +30,9 @@
 #include <asm/arch/pm.h>
 #endif
 
-static struct clk * uart1_ck = NULL;
-static struct clk * uart2_ck = NULL;
-static struct clk * uart3_ck = NULL;
+static struct clk * uart1_ck;
+static struct clk * uart2_ck;
+static struct clk * uart3_ck;
 
 static inline unsigned int omap_serial_in(struct plat_serial8250_port *up,
 					  int offset)

arch/arm/mach-omap2/Makefile

@@ -3,11 +3,15 @@
 #
 
 # Common support
-obj-y := irq.o id.o io.o sram-fn.o clock.o mux.o devices.o serial.o
+obj-y := irq.o id.o io.o sram-fn.o memory.o prcm.o clock.o mux.o devices.o serial.o
 
 obj-$(CONFIG_OMAP_MPU_TIMER)		+= timer-gp.o
 
+# Power Management
+obj-$(CONFIG_PM) += pm.o sleep.o
+
 # Specific board support
 obj-$(CONFIG_MACH_OMAP_GENERIC)		+= board-generic.o
 obj-$(CONFIG_MACH_OMAP_H4)		+= board-h4.o
+obj-$(CONFIG_MACH_OMAP_APOLLON)		+= board-apollon.o
 

arch/arm/mach-omap2/io.c

@@ -16,9 +16,13 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 
-#include <asm/mach/map.h>
+#include <asm/tlb.h>
 #include <asm/io.h>
+
+#include <asm/mach/map.h>
+
 #include <asm/arch/mux.h>
+#include <asm/arch/omapfb.h>
 
 extern void omap_sram_init(void);
 extern int omap2_clk_init(void);
@@ -43,11 +47,24 @@ static struct map_desc omap2_io_desc[] __initdata = {
 	}
 };
 
-void __init omap_map_common_io(void)
+void __init omap2_map_common_io(void)
 {
 	iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc));
+
+	/* Normally devicemaps_init() would flush caches and tlb after
+	 * mdesc->map_io(), but we must also do it here because of the CPU
+	 * revision check below.
+	 */
+	local_flush_tlb_all();
+	flush_cache_all();
+
 	omap2_check_revision();
 	omap_sram_init();
+	omapfb_reserve_mem();
+}
+
+void __init omap2_init_common_hw(void)
+{
 	omap2_mux_init();
 	omap2_clk_init();
 }

arch/arm/plat-omap/Makefile

@@ -3,16 +3,16 @@
 #
 
 # Common support
-obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o mcbsp.o usb.o
+obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o mcbsp.o usb.o fb.o
 obj-m :=
 obj-n :=
 obj-  :=
 
+obj-$(CONFIG_OMAP_32K_TIMER)	+= timer32k.o
+
 # OCPI interconnect support for 1710, 1610 and 5912
 obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o
 
-# Power Management
-obj-$(CONFIG_PM) += pm.o sleep.o
 
 obj-$(CONFIG_CPU_FREQ) += cpu-omap.o
 obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o

arch/arm/plat-omap/mcbsp.c

@@ -34,7 +34,7 @@
 #ifdef CONFIG_MCBSP_DEBUG
 #define DBG(x...)	printk(x)
 #else
-#define DBG(x...)	do { } while (0)
+#define DBG(x...)			do { } while (0)
 #endif
 
 struct omap_mcbsp {
@@ -44,6 +44,7 @@ struct omap_mcbsp {
 	omap_mcbsp_word_length       rx_word_length;
 	omap_mcbsp_word_length       tx_word_length;
 
+	omap_mcbsp_io_type_t         io_type; /* IRQ or poll */
 	/* IRQ based TX/RX */
 	int                          rx_irq;
 	int                          tx_irq;
@@ -64,10 +65,19 @@ struct omap_mcbsp {
 };
 
 static struct omap_mcbsp mcbsp[OMAP_MAX_MCBSP_COUNT];
+#ifdef CONFIG_ARCH_OMAP1
 static struct clk *mcbsp_dsp_ck = 0;
 static struct clk *mcbsp_api_ck = 0;
 static struct clk *mcbsp_dspxor_ck = 0;
-
+#endif
+#ifdef CONFIG_ARCH_OMAP2
+static struct clk *mcbsp1_ick = 0;
+static struct clk *mcbsp1_fck = 0;
+static struct clk *mcbsp2_ick = 0;
+static struct clk *mcbsp2_fck = 0;
+static struct clk *sys_ck = 0;
+static struct clk *sys_clkout = 0;
+#endif
 
 static void omap_mcbsp_dump_reg(u8 id)
 {
@@ -88,7 +98,6 @@ static void omap_mcbsp_dump_reg(u8 id)
 	DBG("***********************\n");
 }
 
-
 static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
 {
 	struct omap_mcbsp * mcbsp_tx = (struct omap_mcbsp *)(dev_id);
@@ -109,7 +118,6 @@ static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id, struct pt_re
 	return IRQ_HANDLED;
 }
 
-
 static void omap_mcbsp_tx_dma_callback(int lch, u16 ch_status, void *data)
 {
 	struct omap_mcbsp * mcbsp_dma_tx = (struct omap_mcbsp *)(data);
@@ -176,7 +184,7 @@ static int omap_mcbsp_check(unsigned int id)
 		return 0;
 	}
 
-	if (cpu_is_omap1510() || cpu_is_omap16xx()) {
+	if (cpu_is_omap15xx() || cpu_is_omap16xx() || cpu_is_omap24xx()) {
 		if (id > OMAP_MAX_MCBSP_COUNT) {
 			printk(KERN_ERR "OMAP-McBSP: McBSP%d doesn't exist\n", id + 1);
 			return -1;
@@ -187,9 +195,10 @@ static int omap_mcbsp_check(unsigned int id)
 	return -1;
 }
 
+#ifdef CONFIG_ARCH_OMAP1
 static void omap_mcbsp_dsp_request(void)
 {
-	if (cpu_is_omap1510() || cpu_is_omap16xx()) {
+	if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
 		clk_enable(mcbsp_dsp_ck);
 		clk_enable(mcbsp_api_ck);
 
@@ -207,12 +216,49 @@ static void omap_mcbsp_dsp_request(void)
 
 static void omap_mcbsp_dsp_free(void)
 {
-	if (cpu_is_omap1510() || cpu_is_omap16xx()) {
+	if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
 		clk_disable(mcbsp_dspxor_ck);
 		clk_disable(mcbsp_dsp_ck);
 		clk_disable(mcbsp_api_ck);
 	}
 }
+#endif
+
+#ifdef CONFIG_ARCH_OMAP2
+static void omap2_mcbsp2_mux_setup(void)
+{
+	omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
+	omap_cfg_reg(R14_24XX_MCBSP2_FSX);
+	omap_cfg_reg(W15_24XX_MCBSP2_DR);
+	omap_cfg_reg(V15_24XX_MCBSP2_DX);
+	omap_cfg_reg(V14_24XX_GPIO117);
+	omap_cfg_reg(W14_24XX_SYS_CLKOUT);
+}
+#endif
+
+/*
+ * We can choose between IRQ based or polled IO.
+ * This needs to be called before omap_mcbsp_request().
+ */
+int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type)
+{
+	if (omap_mcbsp_check(id) < 0)
+		return -EINVAL;
+
+	spin_lock(&mcbsp[id].lock);
+
+	if (!mcbsp[id].free) {
+		printk (KERN_ERR "OMAP-McBSP: McBSP%d is currently in use\n", id + 1);
+		spin_unlock(&mcbsp[id].lock);
+		return -EINVAL;
+	}
+
+	mcbsp[id].io_type = io_type;
+
+	spin_unlock(&mcbsp[id].lock);
+
+	return 0;
+}
 
 int omap_mcbsp_request(unsigned int id)
 {
@@ -221,12 +267,26 @@ int omap_mcbsp_request(unsigned int id)
 	if (omap_mcbsp_check(id) < 0)
 		return -EINVAL;
 
+#ifdef CONFIG_ARCH_OMAP1
 	/*
 	 * On 1510, 1610 and 1710, McBSP1 and McBSP3
 	 * are DSP public peripherals.
 	 */
 	if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3)
 		omap_mcbsp_dsp_request();
+#endif
+
+#ifdef CONFIG_ARCH_OMAP2
+	if (cpu_is_omap24xx()) {
+		if (id == OMAP_MCBSP1) {
+			clk_enable(mcbsp1_ick);
+			clk_enable(mcbsp1_fck);
+		} else {
+			clk_enable(mcbsp2_ick);
+			clk_enable(mcbsp2_fck);
+		}
+	}
+#endif
 
 	spin_lock(&mcbsp[id].lock);
 	if (!mcbsp[id].free) {
@@ -238,30 +298,33 @@ int omap_mcbsp_request(unsigned int id)
 	mcbsp[id].free = 0;
 	spin_unlock(&mcbsp[id].lock);
 
-	/* We need to get IRQs here */
-	err = request_irq(mcbsp[id].tx_irq, omap_mcbsp_tx_irq_handler, 0,
-			  "McBSP",
-			  (void *) (&mcbsp[id]));
-	if (err != 0) {
-		printk(KERN_ERR "OMAP-McBSP: Unable to request TX IRQ %d for McBSP%d\n",
-		       mcbsp[id].tx_irq, mcbsp[id].id);
-		return err;
-	}
+	if (mcbsp[id].io_type == OMAP_MCBSP_IRQ_IO) {
+		/* We need to get IRQs here */
+		err = request_irq(mcbsp[id].tx_irq, omap_mcbsp_tx_irq_handler, 0,
+				  "McBSP",
+				  (void *) (&mcbsp[id]));
+		if (err != 0) {
+			printk(KERN_ERR "OMAP-McBSP: Unable to request TX IRQ %d for McBSP%d\n",
+			       mcbsp[id].tx_irq, mcbsp[id].id);
+			return err;
+		}
 
-	init_completion(&(mcbsp[id].tx_irq_completion));
+		init_completion(&(mcbsp[id].tx_irq_completion));
 
 
-	err = request_irq(mcbsp[id].rx_irq, omap_mcbsp_rx_irq_handler, 0,
-			  "McBSP",
-			  (void *) (&mcbsp[id]));
-	if (err != 0) {
-		printk(KERN_ERR "OMAP-McBSP: Unable to request RX IRQ %d for McBSP%d\n",
-		       mcbsp[id].rx_irq, mcbsp[id].id);
-		free_irq(mcbsp[id].tx_irq, (void *) (&mcbsp[id]));
-		return err;
+		err = request_irq(mcbsp[id].rx_irq, omap_mcbsp_rx_irq_handler, 0,
+				  "McBSP",
+				  (void *) (&mcbsp[id]));
+		if (err != 0) {
+			printk(KERN_ERR "OMAP-McBSP: Unable to request RX IRQ %d for McBSP%d\n",
+			       mcbsp[id].rx_irq, mcbsp[id].id);
+			free_irq(mcbsp[id].tx_irq, (void *) (&mcbsp[id]));
+			return err;
+		}
+
+		init_completion(&(mcbsp[id].rx_irq_completion));
 	}
 
-	init_completion(&(mcbsp[id].rx_irq_completion));
 	return 0;
 
 }
@@ -271,8 +334,24 @@ void omap_mcbsp_free(unsigned int id)
 	if (omap_mcbsp_check(id) < 0)
 		return;
 
-	if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3)
-		omap_mcbsp_dsp_free();
+#ifdef CONFIG_ARCH_OMAP1
+	if (cpu_class_is_omap1()) {
+		if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3)
+			omap_mcbsp_dsp_free();
+	}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP2
+	if (cpu_is_omap24xx()) {
+		if (id == OMAP_MCBSP1) {
+			clk_disable(mcbsp1_ick);
+			clk_disable(mcbsp1_fck);
+		} else {
+			clk_disable(mcbsp2_ick);
+			clk_disable(mcbsp2_fck);
+		}
+	}
+#endif
 
 	spin_lock(&mcbsp[id].lock);
 	if (mcbsp[id].free) {
@@ -284,9 +363,11 @@ void omap_mcbsp_free(unsigned int id)
 	mcbsp[id].free = 1;
 	spin_unlock(&mcbsp[id].lock);
 
-	/* Free IRQs */
-	free_irq(mcbsp[id].rx_irq, (void *) (&mcbsp[id]));
-	free_irq(mcbsp[id].tx_irq, (void *) (&mcbsp[id]));
+	if (mcbsp[id].io_type == OMAP_MCBSP_IRQ_IO) {
+		/* Free IRQs */
+		free_irq(mcbsp[id].rx_irq, (void *) (&mcbsp[id]));
+		free_irq(mcbsp[id].tx_irq, (void *) (&mcbsp[id]));
+	}
 }
 
 /*
@@ -461,6 +542,115 @@ u32 omap_mcbsp_recv_word(unsigned int id)
 }
 
 
+int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word)
+{
+	u32 io_base = mcbsp[id].io_base;
+	omap_mcbsp_word_length tx_word_length = mcbsp[id].tx_word_length;
+	omap_mcbsp_word_length rx_word_length = mcbsp[id].rx_word_length;
+	u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0;
+
+	if (tx_word_length != rx_word_length)
+		return -EINVAL;
+
+	/* First we wait for the transmitter to be ready */
+	spcr2 = OMAP_MCBSP_READ(io_base, SPCR2);
+	while (!(spcr2 & XRDY)) {
+		spcr2 = OMAP_MCBSP_READ(io_base, SPCR2);
+		if (attempts++ > 1000) {
+			/* We must reset the transmitter */
+			OMAP_MCBSP_WRITE(io_base, SPCR2, spcr2 & (~XRST));
+			udelay(10);
+			OMAP_MCBSP_WRITE(io_base, SPCR2, spcr2 | XRST);
+			udelay(10);
+			printk("McBSP transmitter not ready\n");
+			return -EAGAIN;
+		}
+	}
+
+	/* Now we can push the data */
+	if (tx_word_length > OMAP_MCBSP_WORD_16)
+		OMAP_MCBSP_WRITE(io_base, DXR2, word >> 16);
+	OMAP_MCBSP_WRITE(io_base, DXR1, word & 0xffff);
+
+	/* We wait for the receiver to be ready */
+	spcr1 = OMAP_MCBSP_READ(io_base, SPCR1);
+	while (!(spcr1 & RRDY)) {
+		spcr1 = OMAP_MCBSP_READ(io_base, SPCR1);
+		if (attempts++ > 1000) {
+			/* We must reset the receiver */
+			OMAP_MCBSP_WRITE(io_base, SPCR1, spcr1 & (~RRST));
+			udelay(10);
+			OMAP_MCBSP_WRITE(io_base, SPCR1, spcr1 | RRST);
+			udelay(10);
+			printk("McBSP receiver not ready\n");
+			return -EAGAIN;
+		}
+	}
+
+	/* Receiver is ready, let's read the dummy data */
+	if (rx_word_length > OMAP_MCBSP_WORD_16)
+		word_msb = OMAP_MCBSP_READ(io_base, DRR2);
+	word_lsb = OMAP_MCBSP_READ(io_base, DRR1);
+
+	return 0;
+}
+
+int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word)
+{
+	u32 io_base = mcbsp[id].io_base, clock_word = 0;
+	omap_mcbsp_word_length tx_word_length = mcbsp[id].tx_word_length;
+	omap_mcbsp_word_length rx_word_length = mcbsp[id].rx_word_length;
+	u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0;
+
+	if (tx_word_length != rx_word_length)
+		return -EINVAL;
+
+	/* First we wait for the transmitter to be ready */
+	spcr2 = OMAP_MCBSP_READ(io_base, SPCR2);
+	while (!(spcr2 & XRDY)) {
+		spcr2 = OMAP_MCBSP_READ(io_base, SPCR2);
+		if (attempts++ > 1000) {
+			/* We must reset the transmitter */
+			OMAP_MCBSP_WRITE(io_base, SPCR2, spcr2 & (~XRST));
+			udelay(10);
+			OMAP_MCBSP_WRITE(io_base, SPCR2, spcr2 | XRST);
+			udelay(10);
+			printk("McBSP transmitter not ready\n");
+			return -EAGAIN;
+		}
+	}
+
+	/* We first need to enable the bus clock */
+	if (tx_word_length > OMAP_MCBSP_WORD_16)
+		OMAP_MCBSP_WRITE(io_base, DXR2, clock_word >> 16);
+	OMAP_MCBSP_WRITE(io_base, DXR1, clock_word & 0xffff);
+
+	/* We wait for the receiver to be ready */
+	spcr1 = OMAP_MCBSP_READ(io_base, SPCR1);
+	while (!(spcr1 & RRDY)) {
+		spcr1 = OMAP_MCBSP_READ(io_base, SPCR1);
+		if (attempts++ > 1000) {
+			/* We must reset the receiver */
+			OMAP_MCBSP_WRITE(io_base, SPCR1, spcr1 & (~RRST));
+			udelay(10);
+			OMAP_MCBSP_WRITE(io_base, SPCR1, spcr1 | RRST);
+			udelay(10);
+			printk("McBSP receiver not ready\n");
+			return -EAGAIN;
+		}
+	}
+
+	/* Receiver is ready, there is something for us */
+	if (rx_word_length > OMAP_MCBSP_WORD_16)
+		word_msb = OMAP_MCBSP_READ(io_base, DRR2);
+	word_lsb = OMAP_MCBSP_READ(io_base, DRR1);
+
+	word[0] = (word_lsb | (word_msb << 16));
+
+	return 0;
+}
+
+
 /*
  * Simple DMA based buffer rx/tx routines.
  * Nothing fancy, just a single buffer tx/rx through DMA.
@@ -471,6 +661,9 @@ u32 omap_mcbsp_recv_word(unsigned int id)
 int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int length)
 {
 	int dma_tx_ch;
+	int src_port = 0;
+	int dest_port = 0;
+	int sync_dev = 0;
 
 	if (omap_mcbsp_check(id) < 0)
 		return -EINVAL;
@@ -487,20 +680,27 @@ int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
 
 	init_completion(&(mcbsp[id].tx_dma_completion));
 
+	if (cpu_class_is_omap1()) {
+		src_port = OMAP_DMA_PORT_TIPB;
+		dest_port = OMAP_DMA_PORT_EMIFF;
+	}
+	if (cpu_is_omap24xx())
+		sync_dev = mcbsp[id].dma_tx_sync;
+
 	omap_set_dma_transfer_params(mcbsp[id].dma_tx_lch,
 				     OMAP_DMA_DATA_TYPE_S16,
 				     length >> 1, 1,
 				     OMAP_DMA_SYNC_ELEMENT,
-				     0, 0);
+	 sync_dev, 0);
 
 	omap_set_dma_dest_params(mcbsp[id].dma_tx_lch,
-				 OMAP_DMA_PORT_TIPB,
+				 src_port,
 				 OMAP_DMA_AMODE_CONSTANT,
 				 mcbsp[id].io_base + OMAP_MCBSP_REG_DXR1,
 				 0, 0);
 
 	omap_set_dma_src_params(mcbsp[id].dma_tx_lch,
-				OMAP_DMA_PORT_EMIFF,
+				dest_port,
 				OMAP_DMA_AMODE_POST_INC,
 				buffer,
 				0, 0);
@@ -514,6 +714,9 @@ int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
 int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int length)
 {
 	int dma_rx_ch;
+	int src_port = 0;
+	int dest_port = 0;
+	int sync_dev = 0;
 
 	if (omap_mcbsp_check(id) < 0)
 		return -EINVAL;
@@ -530,20 +733,27 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
 
 	init_completion(&(mcbsp[id].rx_dma_completion));
 
+	if (cpu_class_is_omap1()) {
+		src_port = OMAP_DMA_PORT_TIPB;
+		dest_port = OMAP_DMA_PORT_EMIFF;
+	}
+	if (cpu_is_omap24xx())
+		sync_dev = mcbsp[id].dma_rx_sync;
+
 	omap_set_dma_transfer_params(mcbsp[id].dma_rx_lch,
 				     OMAP_DMA_DATA_TYPE_S16,
 				     length >> 1, 1,
 				     OMAP_DMA_SYNC_ELEMENT,
-				     0, 0);
+	 sync_dev, 0);
 
 	omap_set_dma_src_params(mcbsp[id].dma_rx_lch,
-				OMAP_DMA_PORT_TIPB,
+				src_port,
 				OMAP_DMA_AMODE_CONSTANT,
 				mcbsp[id].io_base + OMAP_MCBSP_REG_DRR1,
 				0, 0);
 
 	omap_set_dma_dest_params(mcbsp[id].dma_rx_lch,
-				 OMAP_DMA_PORT_EMIFF,
+				 dest_port,
 				 OMAP_DMA_AMODE_POST_INC,
 				 buffer,
 				 0, 0);
@@ -688,6 +898,23 @@ static const struct omap_mcbsp_info mcbsp_1610[] = {
 };
 #endif
 
+#if defined(CONFIG_ARCH_OMAP24XX)
+static const struct omap_mcbsp_info mcbsp_24xx[] = {
+	[0] = { .virt_base = IO_ADDRESS(OMAP24XX_MCBSP1_BASE),
+		.dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
+		.dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
+		.rx_irq = INT_24XX_MCBSP1_IRQ_RX,
+		.tx_irq = INT_24XX_MCBSP1_IRQ_TX,
+		},
+	[1] = { .virt_base = IO_ADDRESS(OMAP24XX_MCBSP2_BASE),
+		.dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
+		.dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
+		.rx_irq = INT_24XX_MCBSP2_IRQ_RX,
+		.tx_irq = INT_24XX_MCBSP2_IRQ_TX,
+		},
+};
+#endif
+
 static int __init omap_mcbsp_init(void)
 {
 	int mcbsp_count = 0, i;
@@ -695,6 +922,7 @@ static int __init omap_mcbsp_init(void)
 
 	printk("Initializing OMAP McBSP system\n");
 
+#ifdef CONFIG_ARCH_OMAP1
 	mcbsp_dsp_ck = clk_get(0, "dsp_ck");
 	if (IS_ERR(mcbsp_dsp_ck)) {
 		printk(KERN_ERR "mcbsp: could not acquire dsp_ck handle.\n");
@@ -710,6 +938,29 @@ static int __init omap_mcbsp_init(void)
 		printk(KERN_ERR "mcbsp: could not acquire dspxor_ck handle.\n");
 		return PTR_ERR(mcbsp_dspxor_ck);
 	}
+#endif
+#ifdef CONFIG_ARCH_OMAP2
+	mcbsp1_ick = clk_get(0, "mcbsp1_ick");
+	if (IS_ERR(mcbsp1_ick)) {
+		printk(KERN_ERR "mcbsp: could not acquire mcbsp1_ick handle.\n");
+		return PTR_ERR(mcbsp1_ick);
+	}
+	mcbsp1_fck = clk_get(0, "mcbsp1_fck");
+	if (IS_ERR(mcbsp1_fck)) {
+		printk(KERN_ERR "mcbsp: could not acquire mcbsp1_fck handle.\n");
+		return PTR_ERR(mcbsp1_fck);
+	}
+	mcbsp2_ick = clk_get(0, "mcbsp2_ick");
+	if (IS_ERR(mcbsp2_ick)) {
+		printk(KERN_ERR "mcbsp: could not acquire mcbsp2_ick handle.\n");
+		return PTR_ERR(mcbsp2_ick);
+	}
+	mcbsp2_fck = clk_get(0, "mcbsp2_fck");
+	if (IS_ERR(mcbsp2_fck)) {
+		printk(KERN_ERR "mcbsp: could not acquire mcbsp2_fck handle.\n");
+		return PTR_ERR(mcbsp2_fck);
+	}
+#endif
 
 #ifdef CONFIG_ARCH_OMAP730
 	if (cpu_is_omap730()) {
@@ -718,7 +969,7 @@ static int __init omap_mcbsp_init(void)
 	}
 #endif
 #ifdef CONFIG_ARCH_OMAP15XX
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap15xx()) {
 		mcbsp_info = mcbsp_1510;
 		mcbsp_count = ARRAY_SIZE(mcbsp_1510);
 	}
@@ -728,6 +979,19 @@ static int __init omap_mcbsp_init(void)
 		mcbsp_info = mcbsp_1610;
 		mcbsp_count = ARRAY_SIZE(mcbsp_1610);
 	}
+#endif
+#if defined(CONFIG_ARCH_OMAP24XX)
+	if (cpu_is_omap24xx()) {
+		mcbsp_info = mcbsp_24xx;
+		mcbsp_count = ARRAY_SIZE(mcbsp_24xx);
+
+		/* REVISIT: where's the right place? */
+		omap2_mcbsp2_mux_setup();
+		sys_ck = clk_get(0, "sys_ck");
+		sys_clkout = clk_get(0, "sys_clkout");
+		clk_set_parent(sys_clkout, sys_ck);
+		clk_enable(sys_clkout);
+	}
 #endif
 	for (i = 0; i < OMAP_MAX_MCBSP_COUNT ; i++) {
 		if (i >= mcbsp_count) {
@@ -741,6 +1005,7 @@ static int __init omap_mcbsp_init(void)
 		mcbsp[i].dma_rx_lch = -1;
 
 		mcbsp[i].io_base = mcbsp_info[i].virt_base;
+		mcbsp[i].io_type = OMAP_MCBSP_IRQ_IO; /* Default I/O is IRQ based */
 		mcbsp[i].tx_irq = mcbsp_info[i].tx_irq;
 		mcbsp[i].rx_irq = mcbsp_info[i].rx_irq;
 		mcbsp[i].dma_rx_sync = mcbsp_info[i].dma_rx_sync;
@@ -751,11 +1016,11 @@ static int __init omap_mcbsp_init(void)
 	return 0;
 }
 
-
 arch_initcall(omap_mcbsp_init);
 
 EXPORT_SYMBOL(omap_mcbsp_config);
 EXPORT_SYMBOL(omap_mcbsp_request);
+EXPORT_SYMBOL(omap_mcbsp_set_io_type);
 EXPORT_SYMBOL(omap_mcbsp_free);
 EXPORT_SYMBOL(omap_mcbsp_start);
 EXPORT_SYMBOL(omap_mcbsp_stop);
@@ -763,4 +1028,6 @@ EXPORT_SYMBOL(omap_mcbsp_xmit_word);
 EXPORT_SYMBOL(omap_mcbsp_recv_word);
 EXPORT_SYMBOL(omap_mcbsp_xmit_buffer);
 EXPORT_SYMBOL(omap_mcbsp_recv_buffer);
+EXPORT_SYMBOL(omap_mcbsp_spi_master_xmit_word_poll);
+EXPORT_SYMBOL(omap_mcbsp_spi_master_recv_word_poll);
 EXPORT_SYMBOL(omap_mcbsp_set_spi_mode);

arch/arm/plat-omap/ocpi.c

@@ -62,9 +62,6 @@ int ocpi_enable(void)
 	if (!cpu_is_omap16xx())
 		return -ENODEV;
 
-	/* Make sure there's clock for OCPI */
-	clk_enable(ocpi_ck);
-
 	/* Enable access for OHCI in OCPI */
 	val = omap_readl(OCPI_PROT);
 	val &= ~0xff;

include/asm-arm/arch-omap/aic23.h

@@ -57,6 +57,7 @@
 #define LHV_MIN				0x0000
 
 // Analog audio path control register
+#define STA_REG(x)			((x)<<6)
 #define STE_ENABLED			0x0020
 #define DAC_SELECTED			0x0010
 #define BYPASS_ON			0x0008
@@ -109,4 +110,7 @@
 #define TLV320AIC23ID1                  (0x1a)	// cs low
 #define TLV320AIC23ID2                  (0x1b)	// cs high
 
+void tlv320aic23_power_up(void);
+void tlv320aic23_power_down(void);
+
 #endif /* __ASM_ARCH_AIC23_H */

include/asm-arm/arch-omap/dsp.h

@@ -181,10 +181,16 @@ struct omap_dsp_varinfo {
 #define OMAP_DSP_MBCMD_PM_ENABLE	0x01
 
 #define OMAP_DSP_MBCMD_KFUNC_FBCTL	0x00
+#define OMAP_DSP_MBCMD_KFUNC_AUDIO_PWR	0x01
 
+#define OMAP_DSP_MBCMD_FBCTL_UPD	0x0000
 #define OMAP_DSP_MBCMD_FBCTL_ENABLE	0x0002
 #define OMAP_DSP_MBCMD_FBCTL_DISABLE	0x0003
 
+#define OMAP_DSP_MBCMD_AUDIO_PWR_UP	0x0000
+#define OMAP_DSP_MBCMD_AUDIO_PWR_DOWN1	0x0001
+#define OMAP_DSP_MBCMD_AUDIO_PWR_DOWN2	0x0002
+
 #define OMAP_DSP_MBCMD_TDEL_SAFE	0x0000
 #define OMAP_DSP_MBCMD_TDEL_KILL	0x0001
 

include/asm-arm/arch-omap/dsp_common.h

@@ -27,11 +27,12 @@
 #ifndef ASM_ARCH_DSP_COMMON_H
 #define ASM_ARCH_DSP_COMMON_H
 
-void omap_dsp_pm_suspend(void);
-void omap_dsp_pm_resume(void);
-void omap_dsp_request_mpui(void);
-void omap_dsp_release_mpui(void);
-int omap_dsp_request_mem(void);
-int omap_dsp_release_mem(void);
+extern void omap_dsp_request_mpui(void);
+extern void omap_dsp_release_mpui(void);
+extern int omap_dsp_request_mem(void);
+extern int omap_dsp_release_mem(void);
+
+extern void (*omap_dsp_audio_pwr_up_request)(int stage);
+extern void (*omap_dsp_audio_pwr_down_request)(int stage);
 
 #endif /* ASM_ARCH_DSP_COMMON_H */

include/asm-arm/arch-omap/gpioexpander.h

@@ -0,0 +1,24 @@
+/*
+ * linux/include/asm-arm/arch-omap/gpioexpander.h
+ *
+ *
+ * Copyright (C) 2004 Texas Instruments, Inc.
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H
+#define __ASM_ARCH_OMAP_GPIOEXPANDER_H
+
+/* Function Prototypes for GPIO Expander functions */
+
+int read_gpio_expa(u8 *, int);
+int write_gpio_expa(u8 , int);
+
+#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */

include/asm-arm/arch-omap/irda.h

@@ -0,0 +1,36 @@
+/*
+ *  linux/include/asm-arm/arch-omap/irda.h
+ *
+ *  Copyright (C) 2005-2006 Komal Shah <komal_shah802003@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef ASMARM_ARCH_IRDA_H
+#define ASMARM_ARCH_IRDA_H
+
+/* board specific transceiver capabilities */
+
+#define IR_SEL		1	/* Selects IrDA */
+#define IR_SIRMODE	2
+#define IR_FIRMODE	4
+#define IR_MIRMODE	8
+
+struct omap_irda_config {
+	int transceiver_cap;
+	int (*transceiver_mode)(struct device *dev, int mode);
+	int (*select_irda)(struct device *dev, int state);
+	/* Very specific to the needs of some platforms (h3,h4)
+	 * having calls which can sleep in irda_set_speed.
+	 */
+	struct work_struct gpio_expa;
+	int rx_channel;
+	int tx_channel;
+	unsigned long dest_start;
+	unsigned long src_start;
+	int tx_trigger;
+	int rx_trigger;
+};
+
+#endif

include/asm-arm/arch-omap/irqs.h

@@ -242,6 +242,11 @@
 #define INT_24XX_GPIO_BANK2	30
 #define INT_24XX_GPIO_BANK3	31
 #define INT_24XX_GPIO_BANK4	32
+#define INT_24XX_MCBSP1_IRQ_TX	59
+#define INT_24XX_MCBSP1_IRQ_RX	60
+#define INT_24XX_MCBSP2_IRQ_TX	62
+#define INT_24XX_MCBSP2_IRQ_RX	63
+#define INT_24XX_UART3_IRQ	74
 
 /* Max. 128 level 2 IRQs (OMAP1610), 192 GPIOs (OMAP730) and
  * 16 MPUIO lines */

include/asm-arm/arch-omap/keypad.h

@@ -0,0 +1,36 @@
+/*
+ *  linux/include/asm-arm/arch-omap/keypad.h
+ *
+ *  Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef ASMARM_ARCH_KEYPAD_H
+#define ASMARM_ARCH_KEYPAD_H
+
+struct omap_kp_platform_data {
+	int rows;
+	int cols;
+	int *keymap;
+	unsigned int rep:1;
+	/* specific to OMAP242x*/
+	unsigned int *row_gpios;
+	unsigned int *col_gpios;
+};
+
+/* Group (0..3) -- when multiple keys are pressed, only the
+ * keys pressed in the same group are considered as pressed. This is
+ * in order to workaround certain crappy HW designs that produce ghost
+ * keypresses. */
+#define GROUP_0		(0 << 16)
+#define GROUP_1		(1 << 16)
+#define GROUP_2		(2 << 16)
+#define GROUP_3		(3 << 16)
+#define GROUP_MASK	GROUP_3
+
+#define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val))
+
+#endif
+

include/asm-arm/arch-omap/mcbsp.h

@@ -37,6 +37,11 @@
 #define OMAP1610_MCBSP2_BASE	0xfffb1000
 #define OMAP1610_MCBSP3_BASE	0xe1017000
 
+#define OMAP24XX_MCBSP1_BASE	0x48074000
+#define OMAP24XX_MCBSP2_BASE	0x48076000
+
+#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730)
+
 #define OMAP_MCBSP_REG_DRR2	0x00
 #define OMAP_MCBSP_REG_DRR1	0x02
 #define OMAP_MCBSP_REG_DXR2	0x04
@@ -71,9 +76,62 @@
 
 #define OMAP_MAX_MCBSP_COUNT 3
 
+#define AUDIO_MCBSP_DATAWRITE	(OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1)
+#define AUDIO_MCBSP_DATAREAD	(OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DRR1)
+
+#define AUDIO_MCBSP		OMAP_MCBSP1
+#define AUDIO_DMA_TX		OMAP_DMA_MCBSP1_TX
+#define AUDIO_DMA_RX		OMAP_DMA_MCBSP1_RX
+
+#elif defined(CONFIG_ARCH_OMAP24XX)
+
+#define OMAP_MCBSP_REG_DRR2	0x00
+#define OMAP_MCBSP_REG_DRR1	0x04
+#define OMAP_MCBSP_REG_DXR2	0x08
+#define OMAP_MCBSP_REG_DXR1	0x0C
+#define OMAP_MCBSP_REG_SPCR2	0x10
+#define OMAP_MCBSP_REG_SPCR1	0x14
+#define OMAP_MCBSP_REG_RCR2	0x18
+#define OMAP_MCBSP_REG_RCR1	0x1C
+#define OMAP_MCBSP_REG_XCR2	0x20
+#define OMAP_MCBSP_REG_XCR1	0x24
+#define OMAP_MCBSP_REG_SRGR2	0x28
+#define OMAP_MCBSP_REG_SRGR1	0x2C
+#define OMAP_MCBSP_REG_MCR2	0x30
+#define OMAP_MCBSP_REG_MCR1	0x34
+#define OMAP_MCBSP_REG_RCERA	0x38
+#define OMAP_MCBSP_REG_RCERB	0x3C
+#define OMAP_MCBSP_REG_XCERA	0x40
+#define OMAP_MCBSP_REG_XCERB	0x44
+#define OMAP_MCBSP_REG_PCR0	0x48
+#define OMAP_MCBSP_REG_RCERC	0x4C
+#define OMAP_MCBSP_REG_RCERD	0x50
+#define OMAP_MCBSP_REG_XCERC	0x54
+#define OMAP_MCBSP_REG_XCERD	0x58
+#define OMAP_MCBSP_REG_RCERE	0x5C
+#define OMAP_MCBSP_REG_RCERF	0x60
+#define OMAP_MCBSP_REG_XCERE	0x64
+#define OMAP_MCBSP_REG_XCERF	0x68
+#define OMAP_MCBSP_REG_RCERG	0x6C
+#define OMAP_MCBSP_REG_RCERH	0x70
+#define OMAP_MCBSP_REG_XCERG	0x74
+#define OMAP_MCBSP_REG_XCERH	0x78
+
+#define OMAP_MAX_MCBSP_COUNT 2
+
+#define AUDIO_MCBSP_DATAWRITE	(OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR1)
+#define AUDIO_MCBSP_DATAREAD	(OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1)
+
+#define AUDIO_MCBSP		OMAP_MCBSP2
+#define AUDIO_DMA_TX		OMAP24XX_DMA_MCBSP2_TX
+#define AUDIO_DMA_RX		OMAP24XX_DMA_MCBSP2_RX
+
+#endif
+
 #define OMAP_MCBSP_READ(base, reg)		__raw_readw((base) + OMAP_MCBSP_REG_##reg)
 #define OMAP_MCBSP_WRITE(base, reg, val)	__raw_writew((val), (base) + OMAP_MCBSP_REG_##reg)
 
+
 /************************** McBSP SPCR1 bit definitions ***********************/
 #define RRST			0x0001
 #define RRDY			0x0002
@@ -195,6 +253,10 @@ typedef enum {
 	OMAP_MCBSP3,
 } omap_mcbsp_id;
 
+typedef int __bitwise omap_mcbsp_io_type_t;
+#define OMAP_MCBSP_IRQ_IO ((__force omap_mcbsp_io_type_t) 1)
+#define OMAP_MCBSP_POLL_IO ((__force omap_mcbsp_io_type_t) 2)
+
 typedef enum {
 	OMAP_MCBSP_WORD_8 = 0,
 	OMAP_MCBSP_WORD_12,
@@ -246,6 +308,9 @@ u32 omap_mcbsp_recv_word(unsigned int id);
 
 int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int length);
 int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int length);
+int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word);
+int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word);
+
 
 /* SPI specific API */
 void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg * spi_cfg);

include/asm-arm/arch-omap/mcspi.h

@@ -0,0 +1,16 @@
+#ifndef _OMAP2_MCSPI_H
+#define _OMAP2_MCSPI_H
+
+struct omap2_mcspi_platform_config {
+	unsigned long	base;
+	unsigned short	num_cs;
+};
+
+struct omap2_mcspi_device_config {
+	unsigned turbo_mode:1;
+
+	/* Do we want one channel enabled at the same time? */
+	unsigned single_channel:1;
+};
+
+#endif

include/asm-arm/arch-omap/menelaus.h

@@ -7,7 +7,7 @@
 #ifndef __ASM_ARCH_MENELAUS_H
 #define __ASM_ARCH_MENELAUS_H
 
-extern void menelaus_mmc_register(void (*callback)(u8 card_mask),
+extern void menelaus_mmc_register(void (*callback)(unsigned long data, u8 card_mask),
 				  unsigned long data);
 extern void menelaus_mmc_remove(void);
 extern void menelaus_mmc_opendrain(int enable);

include/asm-arm/arch-omap/omap-alsa.h

@@ -0,0 +1,124 @@
+/*
+ * linux/include/asm-arm/arch-omap/omap-alsa.h
+ *
+ * Alsa Driver for AIC23 and TSC2101 codecs on OMAP platform boards.
+ *
+ * Copyright (C) 2006 Mika Laitio <lamikr@cc.jyu.fi>
+ *
+ * Copyright (C) 2005 Instituto Nokia de Tecnologia - INdT - Manaus Brazil
+ * Written by Daniel Petrini, David Cohen, Anderson Briglia
+ *            {daniel.petrini, david.cohen, anderson.briglia}@indt.org.br
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the  GNU General Public License along
+ * with this program; if not, write  to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  History
+ *  -------
+ *
+ *  2005/07/25 INdT-10LE Kernel Team - 	Alsa driver for omap osk,
+ *  					original version based in sa1100 driver
+ *  					and omap oss driver.
+ */
+
+#ifndef __OMAP_ALSA_H
+#define __OMAP_ALSA_H
+
+#include <sound/driver.h>
+#include <asm/arch/dma.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <asm/arch/mcbsp.h>
+#include <linux/platform_device.h>
+
+#define DMA_BUF_SIZE	(1024 * 8)
+
+/*
+ * Buffer management for alsa and dma
+ */
+struct audio_stream {
+	char *id;		/* identification string */
+	int stream_id;		/* numeric identification */
+	int dma_dev;		/* dma number of that device */
+	int *lch;		/* Chain of channels this stream is linked to */
+	char started;		/* to store if the chain was started or not */
+	int dma_q_head;		/* DMA Channel Q Head */
+	int dma_q_tail;		/* DMA Channel Q Tail */
+	char dma_q_count;	/* DMA Channel Q Count */
+	int active:1;		/* we are using this stream for transfer now */
+	int period;		/* current transfer period */
+	int periods;		/* current count of periods registerd in the DMA engine */
+	spinlock_t dma_lock;	/* for locking in DMA operations */
+	snd_pcm_substream_t *stream;	/* the pcm stream */
+	unsigned linked:1;	/* dma channels linked */
+	int offset;		/* store start position of the last period in the alsa buffer */
+	int (*hw_start)(void);  /* interface to start HW interface, e.g. McBSP */
+	int (*hw_stop)(void);   /* interface to stop HW interface, e.g. McBSP */
+};
+
+/*
+ * Alsa card structure for aic23
+ */
+struct snd_card_omap_codec {
+	snd_card_t *card;
+	snd_pcm_t *pcm;
+	long samplerate;
+	struct audio_stream s[2];	/* playback & capture */
+};
+
+/* Codec specific information and function pointers.
+ * Codec (omap-alsa-aic23.c and omap-alsa-tsc2101.c)
+ * are responsible for defining the function pointers.
+ */
+struct omap_alsa_codec_config {
+	char 	*name;
+	struct	omap_mcbsp_reg_cfg *mcbsp_regs_alsa;
+	snd_pcm_hw_constraint_list_t *hw_constraints_rates;
+	snd_pcm_hardware_t *snd_omap_alsa_playback;
+	snd_pcm_hardware_t *snd_omap_alsa_capture;
+	void	(*codec_configure_dev)(void);
+	void	(*codec_set_samplerate)(long);
+	void	(*codec_clock_setup)(void);
+	int	(*codec_clock_on)(void);
+	int 	(*codec_clock_off)(void);
+	int	(*get_default_samplerate)(void);
+};
+
+/*********** Mixer function prototypes *************************/
+int snd_omap_mixer(struct snd_card_omap_codec *);
+void snd_omap_init_mixer(void);
+
+#ifdef CONFIG_PM
+void snd_omap_suspend_mixer(void);
+void snd_omap_resume_mixer(void);
+#endif
+
+int snd_omap_alsa_post_probe(struct platform_device *pdev, struct omap_alsa_codec_config *config);
+int snd_omap_alsa_remove(struct platform_device *pdev);
+#ifdef CONFIG_PM
+int snd_omap_alsa_suspend(struct platform_device *pdev, pm_message_t state);
+int snd_omap_alsa_resume(struct platform_device *pdev);
+#else
+#define snd_omap_alsa_suspend	NULL
+#define snd_omap_alsa_resume	NULL
+#endif
+
+void callback_omap_alsa_sound_dma(void *);
+
+#endif