[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>
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index b0b0015..9ea7195 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/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-$(CONFIG_MACH_OMAP_OSK) += board-osk.o
obj-$(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
diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index 82d556b..be3a2a4 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/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 @@
}
#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 @@
#endif
omap_sram_init();
+ omapfb_reserve_mem();
}
/*
diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c
index ed65a7d..a0431c0 100644
--- a/arch/arm/mach-omap1/irq.c
+++ b/arch/arm/mach-omap1/irq.c
@@ -60,7 +60,7 @@
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 @@
#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 },
};
diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index e924e0c..9b4cd69 100644
--- a/arch/arm/mach-omap1/serial.c
+++ b/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)
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 4204116..111eaa6 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/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-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 8ea67bf..7d57116 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -16,9 +16,13 @@
#include <linux/kernel.h>
#include <linux/init.h>
-#include <asm/mach/map.h>
+#include <asm/tlb.h>
#include <asm/io.h>
+
+#include <asm/mach/map.h>
+
#include <asm/arch/mux.h>
+#include <asm/arch/omapfb.h>
extern void omap_sram_init(void);
extern int omap2_clk_init(void);
@@ -43,11 +47,24 @@
}
};
-void __init omap_map_common_io(void)
+void __init omap2_map_common_io(void)
{
iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc));
+
+ /* Normally devicemaps_init() would flush caches and tlb after
+ * mdesc->map_io(), but we must also do it here because of the CPU
+ * revision check below.
+ */
+ local_flush_tlb_all();
+ flush_cache_all();
+
omap2_check_revision();
omap_sram_init();
+ omapfb_reserve_mem();
+}
+
+void __init omap2_init_common_hw(void)
+{
omap2_mux_init();
omap2_clk_init();
}
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index 9ccf194..2896b45 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -3,16 +3,16 @@
#
# Common support
-obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o mcbsp.o usb.o
+obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o mcbsp.o usb.o fb.o
obj-m :=
obj-n :=
obj- :=
+obj-$(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
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 1cd2cac..196aac3 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/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 @@
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 @@
};
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 @@
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 @@
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 @@
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 @@
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_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 @@
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 @@
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));
+
+
+ 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].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;
- }
-
- init_completion(&(mcbsp[id].rx_irq_completion));
return 0;
}
@@ -271,8 +334,24 @@
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 @@
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 @@
}
+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 @@
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 @@
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_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 @@
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 @@
};
#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 @@
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 @@
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 @@
}
#endif
#ifdef CONFIG_ARCH_OMAP15XX
- if (cpu_is_omap1510()) {
+ if (cpu_is_omap15xx()) {
mcbsp_info = mcbsp_1510;
mcbsp_count = ARRAY_SIZE(mcbsp_1510);
}
@@ -729,6 +980,19 @@
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) {
mcbsp[i].io_base = 0;
@@ -741,6 +1005,7 @@
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 @@
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_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);
diff --git a/arch/arm/plat-omap/ocpi.c b/arch/arm/plat-omap/ocpi.c
index 5cc6775..37792d4 100644
--- a/arch/arm/plat-omap/ocpi.c
+++ b/arch/arm/plat-omap/ocpi.c
@@ -62,9 +62,6 @@
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;
diff --git a/include/asm-arm/arch-omap/aic23.h b/include/asm-arm/arch-omap/aic23.h
index 590bac2..6513065 100644
--- a/include/asm-arm/arch-omap/aic23.h
+++ b/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 */
diff --git a/include/asm-arm/arch-omap/dsp.h b/include/asm-arm/arch-omap/dsp.h
index 57bf4f3..06dad83 100644
--- a/include/asm-arm/arch-omap/dsp.h
+++ b/include/asm-arm/arch-omap/dsp.h
@@ -181,10 +181,16 @@
#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
diff --git a/include/asm-arm/arch-omap/dsp_common.h b/include/asm-arm/arch-omap/dsp_common.h
index 4fcce69..16a459d 100644
--- a/include/asm-arm/arch-omap/dsp_common.h
+++ b/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 */
diff --git a/include/asm-arm/arch-omap/gpioexpander.h b/include/asm-arm/arch-omap/gpioexpander.h
new file mode 100644
index 0000000..7a43b0a
--- /dev/null
+++ b/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 */
diff --git a/include/asm-arm/arch-omap/irda.h b/include/asm-arm/arch-omap/irda.h
new file mode 100644
index 0000000..805ae35
--- /dev/null
+++ b/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
diff --git a/include/asm-arm/arch-omap/irqs.h b/include/asm-arm/arch-omap/irqs.h
index 4ffce1d..42098d9 100644
--- a/include/asm-arm/arch-omap/irqs.h
+++ b/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 */
diff --git a/include/asm-arm/arch-omap/keypad.h b/include/asm-arm/arch-omap/keypad.h
new file mode 100644
index 0000000..8a023a9
--- /dev/null
+++ b/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
+
diff --git a/include/asm-arm/arch-omap/mcbsp.h b/include/asm-arm/arch-omap/mcbsp.h
index e79d98a..ed0dde4 100644
--- a/include/asm-arm/arch-omap/mcbsp.h
+++ b/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 @@
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 @@
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);
diff --git a/include/asm-arm/arch-omap/mcspi.h b/include/asm-arm/arch-omap/mcspi.h
new file mode 100644
index 0000000..9e7f40a
--- /dev/null
+++ b/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
diff --git a/include/asm-arm/arch-omap/menelaus.h b/include/asm-arm/arch-omap/menelaus.h
index 46be8b8..88cd4c8 100644
--- a/include/asm-arm/arch-omap/menelaus.h
+++ b/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);
diff --git a/include/asm-arm/arch-omap/omap-alsa.h b/include/asm-arm/arch-omap/omap-alsa.h
new file mode 100644
index 0000000..df46954
--- /dev/null
+++ b/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