summaryrefslogtreecommitdiffstats
path: root/arch/arm/common/sa1111.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/common/sa1111.c')
-rw-r--r--arch/arm/common/sa1111.c158
1 files changed, 111 insertions, 47 deletions
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index ef12794c3c68..c0258a8c103b 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -35,6 +35,58 @@
#include <asm/hardware/sa1111.h>
+/* SA1111 IRQs */
+#define IRQ_GPAIN0 (0)
+#define IRQ_GPAIN1 (1)
+#define IRQ_GPAIN2 (2)
+#define IRQ_GPAIN3 (3)
+#define IRQ_GPBIN0 (4)
+#define IRQ_GPBIN1 (5)
+#define IRQ_GPBIN2 (6)
+#define IRQ_GPBIN3 (7)
+#define IRQ_GPBIN4 (8)
+#define IRQ_GPBIN5 (9)
+#define IRQ_GPCIN0 (10)
+#define IRQ_GPCIN1 (11)
+#define IRQ_GPCIN2 (12)
+#define IRQ_GPCIN3 (13)
+#define IRQ_GPCIN4 (14)
+#define IRQ_GPCIN5 (15)
+#define IRQ_GPCIN6 (16)
+#define IRQ_GPCIN7 (17)
+#define IRQ_MSTXINT (18)
+#define IRQ_MSRXINT (19)
+#define IRQ_MSSTOPERRINT (20)
+#define IRQ_TPTXINT (21)
+#define IRQ_TPRXINT (22)
+#define IRQ_TPSTOPERRINT (23)
+#define SSPXMTINT (24)
+#define SSPRCVINT (25)
+#define SSPROR (26)
+#define AUDXMTDMADONEA (32)
+#define AUDRCVDMADONEA (33)
+#define AUDXMTDMADONEB (34)
+#define AUDRCVDMADONEB (35)
+#define AUDTFSR (36)
+#define AUDRFSR (37)
+#define AUDTUR (38)
+#define AUDROR (39)
+#define AUDDTS (40)
+#define AUDRDD (41)
+#define AUDSTO (42)
+#define IRQ_USBPWR (43)
+#define IRQ_HCIM (44)
+#define IRQ_HCIBUFFACC (45)
+#define IRQ_HCIRMTWKP (46)
+#define IRQ_NHCIMFCIR (47)
+#define IRQ_USB_PORT_RESUME (48)
+#define IRQ_S0_READY_NINT (49)
+#define IRQ_S1_READY_NINT (50)
+#define IRQ_S0_CD_VALID (51)
+#define IRQ_S1_CD_VALID (52)
+#define IRQ_S0_BVD1_STSCHG (53)
+#define IRQ_S1_BVD1_STSCHG (54)
+
extern void __init sa1110_mb_enable(void);
/*
@@ -49,6 +101,7 @@ struct sa1111 {
struct clk *clk;
unsigned long phys;
int irq;
+ int irq_base; /* base for cascaded on-chip IRQs */
spinlock_t lock;
void __iomem *base;
#ifdef CONFIG_PM
@@ -132,13 +185,10 @@ static struct sa1111_dev_info sa1111_devices[] = {
},
};
-void __init sa1111_adjust_zones(int node, unsigned long *size, unsigned long *holes)
+void __init sa1111_adjust_zones(unsigned long *size, unsigned long *holes)
{
unsigned int sz = SZ_1M >> PAGE_SHIFT;
- if (node != 0)
- sz = 0;
-
size[1] = size[0] - sz;
size[0] = sz;
}
@@ -152,36 +202,37 @@ static void
sa1111_irq_handler(unsigned int irq, struct irq_desc *desc)
{
unsigned int stat0, stat1, i;
- void __iomem *base = get_irq_data(irq);
+ struct sa1111 *sachip = get_irq_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
- stat0 = sa1111_readl(base + SA1111_INTSTATCLR0);
- stat1 = sa1111_readl(base + SA1111_INTSTATCLR1);
+ stat0 = sa1111_readl(mapbase + SA1111_INTSTATCLR0);
+ stat1 = sa1111_readl(mapbase + SA1111_INTSTATCLR1);
- sa1111_writel(stat0, base + SA1111_INTSTATCLR0);
+ sa1111_writel(stat0, mapbase + SA1111_INTSTATCLR0);
desc->chip->ack(irq);
- sa1111_writel(stat1, base + SA1111_INTSTATCLR1);
+ sa1111_writel(stat1, mapbase + SA1111_INTSTATCLR1);
if (stat0 == 0 && stat1 == 0) {
do_bad_IRQ(irq, desc);
return;
}
- for (i = IRQ_SA1111_START; stat0; i++, stat0 >>= 1)
+ for (i = 0; stat0; i++, stat0 >>= 1)
if (stat0 & 1)
- handle_edge_irq(i, irq_desc + i);
+ generic_handle_irq(i + sachip->irq_base);
- for (i = IRQ_SA1111_START + 32; stat1; i++, stat1 >>= 1)
+ for (i = 32; stat1; i++, stat1 >>= 1)
if (stat1 & 1)
- handle_edge_irq(i, irq_desc + i);
+ generic_handle_irq(i + sachip->irq_base);
/* For level-based interrupts */
desc->chip->unmask(irq);
}
-#define SA1111_IRQMASK_LO(x) (1 << (x - IRQ_SA1111_START))
-#define SA1111_IRQMASK_HI(x) (1 << (x - IRQ_SA1111_START - 32))
+#define SA1111_IRQMASK_LO(x) (1 << (x - sachip->irq_base))
+#define SA1111_IRQMASK_HI(x) (1 << (x - sachip->irq_base - 32))
static void sa1111_ack_irq(unsigned int irq)
{
@@ -189,7 +240,8 @@ static void sa1111_ack_irq(unsigned int irq)
static void sa1111_mask_lowirq(unsigned int irq)
{
- void __iomem *mapbase = get_irq_chip_data(irq);
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned long ie0;
ie0 = sa1111_readl(mapbase + SA1111_INTEN0);
@@ -199,7 +251,8 @@ static void sa1111_mask_lowirq(unsigned int irq)
static void sa1111_unmask_lowirq(unsigned int irq)
{
- void __iomem *mapbase = get_irq_chip_data(irq);
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned long ie0;
ie0 = sa1111_readl(mapbase + SA1111_INTEN0);
@@ -216,8 +269,9 @@ static void sa1111_unmask_lowirq(unsigned int irq)
*/
static int sa1111_retrigger_lowirq(unsigned int irq)
{
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_LO(irq);
- void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long ip0;
int i;
@@ -237,8 +291,9 @@ static int sa1111_retrigger_lowirq(unsigned int irq)
static int sa1111_type_lowirq(unsigned int irq, unsigned int flags)
{
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_LO(irq);
- void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long ip0;
if (flags == IRQ_TYPE_PROBE)
@@ -260,8 +315,9 @@ static int sa1111_type_lowirq(unsigned int irq, unsigned int flags)
static int sa1111_wake_lowirq(unsigned int irq, unsigned int on)
{
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_LO(irq);
- void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long we0;
we0 = sa1111_readl(mapbase + SA1111_WAKEEN0);
@@ -286,7 +342,8 @@ static struct irq_chip sa1111_low_chip = {
static void sa1111_mask_highirq(unsigned int irq)
{
- void __iomem *mapbase = get_irq_chip_data(irq);
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned long ie1;
ie1 = sa1111_readl(mapbase + SA1111_INTEN1);
@@ -296,7 +353,8 @@ static void sa1111_mask_highirq(unsigned int irq)
static void sa1111_unmask_highirq(unsigned int irq)
{
- void __iomem *mapbase = get_irq_chip_data(irq);
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned long ie1;
ie1 = sa1111_readl(mapbase + SA1111_INTEN1);
@@ -313,8 +371,9 @@ static void sa1111_unmask_highirq(unsigned int irq)
*/
static int sa1111_retrigger_highirq(unsigned int irq)
{
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_HI(irq);
- void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long ip1;
int i;
@@ -334,8 +393,9 @@ static int sa1111_retrigger_highirq(unsigned int irq)
static int sa1111_type_highirq(unsigned int irq, unsigned int flags)
{
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_HI(irq);
- void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long ip1;
if (flags == IRQ_TYPE_PROBE)
@@ -357,8 +417,9 @@ static int sa1111_type_highirq(unsigned int irq, unsigned int flags)
static int sa1111_wake_highirq(unsigned int irq, unsigned int on)
{
+ struct sa1111 *sachip = get_irq_chip_data(irq);
+ void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_HI(irq);
- void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long we1;
we1 = sa1111_readl(mapbase + SA1111_WAKEEN1);
@@ -412,14 +473,14 @@ static void sa1111_setup_irq(struct sa1111 *sachip)
for (irq = IRQ_GPAIN0; irq <= SSPROR; irq++) {
set_irq_chip(irq, &sa1111_low_chip);
- set_irq_chip_data(irq, irqbase);
+ set_irq_chip_data(irq, sachip);
set_irq_handler(irq, handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
for (irq = AUDXMTDMADONEA; irq <= IRQ_S1_BVD1_STSCHG; irq++) {
set_irq_chip(irq, &sa1111_high_chip);
- set_irq_chip_data(irq, irqbase);
+ set_irq_chip_data(irq, sachip);
set_irq_handler(irq, handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
@@ -428,7 +489,7 @@ static void sa1111_setup_irq(struct sa1111 *sachip)
* Register SA1111 interrupt
*/
set_irq_type(sachip->irq, IRQ_TYPE_EDGE_RISING);
- set_irq_data(sachip->irq, irqbase);
+ set_irq_data(sachip->irq, sachip);
set_irq_chained_handler(sachip->irq, sa1111_irq_handler);
}
@@ -617,7 +678,7 @@ out:
* %-EBUSY physical address already marked in-use.
* %0 successful.
*/
-static int
+static int __devinit
__sa1111_probe(struct device *me, struct resource *mem, int irq)
{
struct sa1111 *sachip;
@@ -887,8 +948,6 @@ static int sa1111_resume(struct platform_device *dev)
if (!save)
return 0;
- spin_lock_irqsave(&sachip->lock, flags);
-
/*
* Ensure that the SA1111 is still here.
* FIXME: shouldn't do this here.
@@ -905,6 +964,13 @@ static int sa1111_resume(struct platform_device *dev)
* First of all, wake up the chip.
*/
sa1111_wake(sachip);
+
+ /*
+ * Only lock for write ops. Also, sa1111_wake must be called with
+ * released spinlock!
+ */
+ spin_lock_irqsave(&sachip->lock, flags);
+
sa1111_writel(0, sachip->base + SA1111_INTC + SA1111_INTEN0);
sa1111_writel(0, sachip->base + SA1111_INTC + SA1111_INTEN1);
@@ -959,13 +1025,12 @@ static int sa1111_remove(struct platform_device *pdev)
struct sa1111 *sachip = platform_get_drvdata(pdev);
if (sachip) {
- __sa1111_remove(sachip);
- platform_set_drvdata(pdev, NULL);
-
#ifdef CONFIG_PM
kfree(sachip->saved_state);
sachip->saved_state = NULL;
#endif
+ __sa1111_remove(sachip);
+ platform_set_drvdata(pdev, NULL);
}
return 0;
@@ -1032,6 +1097,7 @@ unsigned int sa1111_pll_clock(struct sa1111_dev *sadev)
return __sa1111_pll_clock(sachip);
}
+EXPORT_SYMBOL(sa1111_pll_clock);
/**
* sa1111_select_audio_mode - select I2S or AC link mode
@@ -1059,6 +1125,7 @@ void sa1111_select_audio_mode(struct sa1111_dev *sadev, int mode)
spin_unlock_irqrestore(&sachip->lock, flags);
}
+EXPORT_SYMBOL(sa1111_select_audio_mode);
/**
* sa1111_set_audio_rate - set the audio sample rate
@@ -1083,6 +1150,7 @@ int sa1111_set_audio_rate(struct sa1111_dev *sadev, int rate)
return 0;
}
+EXPORT_SYMBOL(sa1111_set_audio_rate);
/**
* sa1111_get_audio_rate - get the audio sample rate
@@ -1100,6 +1168,7 @@ int sa1111_get_audio_rate(struct sa1111_dev *sadev)
return __sa1111_pll_clock(sachip) / (256 * div);
}
+EXPORT_SYMBOL(sa1111_get_audio_rate);
void sa1111_set_io_dir(struct sa1111_dev *sadev,
unsigned int bits, unsigned int dir,
@@ -1128,6 +1197,7 @@ void sa1111_set_io_dir(struct sa1111_dev *sadev,
MODIFY_BITS(gpio + SA1111_GPIO_PCSDR, (bits >> 16) & 255, sleep_dir >> 16);
spin_unlock_irqrestore(&sachip->lock, flags);
}
+EXPORT_SYMBOL(sa1111_set_io_dir);
void sa1111_set_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v)
{
@@ -1142,6 +1212,7 @@ void sa1111_set_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v)
MODIFY_BITS(gpio + SA1111_GPIO_PCDWR, (bits >> 16) & 255, v >> 16);
spin_unlock_irqrestore(&sachip->lock, flags);
}
+EXPORT_SYMBOL(sa1111_set_io);
void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v)
{
@@ -1156,6 +1227,7 @@ void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned i
MODIFY_BITS(gpio + SA1111_GPIO_PCSSR, (bits >> 16) & 255, v >> 16);
spin_unlock_irqrestore(&sachip->lock, flags);
}
+EXPORT_SYMBOL(sa1111_set_sleep_io);
/*
* Individual device operations.
@@ -1176,6 +1248,7 @@ void sa1111_enable_device(struct sa1111_dev *sadev)
sa1111_writel(val | sadev->skpcr_mask, sachip->base + SA1111_SKPCR);
spin_unlock_irqrestore(&sachip->lock, flags);
}
+EXPORT_SYMBOL(sa1111_enable_device);
/**
* sa1111_disable_device - disable an on-chip SA1111 function block
@@ -1192,6 +1265,7 @@ void sa1111_disable_device(struct sa1111_dev *sadev)
sa1111_writel(val & ~sadev->skpcr_mask, sachip->base + SA1111_SKPCR);
spin_unlock_irqrestore(&sachip->lock, flags);
}
+EXPORT_SYMBOL(sa1111_disable_device);
/*
* SA1111 "Register Access Bus."
@@ -1259,17 +1333,20 @@ struct bus_type sa1111_bus_type = {
.suspend = sa1111_bus_suspend,
.resume = sa1111_bus_resume,
};
+EXPORT_SYMBOL(sa1111_bus_type);
int sa1111_driver_register(struct sa1111_driver *driver)
{
driver->drv.bus = &sa1111_bus_type;
return driver_register(&driver->drv);
}
+EXPORT_SYMBOL(sa1111_driver_register);
void sa1111_driver_unregister(struct sa1111_driver *driver)
{
driver_unregister(&driver->drv);
}
+EXPORT_SYMBOL(sa1111_driver_unregister);
static int __init sa1111_init(void)
{
@@ -1290,16 +1367,3 @@ module_exit(sa1111_exit);
MODULE_DESCRIPTION("Intel Corporation SA1111 core driver");
MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(sa1111_select_audio_mode);
-EXPORT_SYMBOL(sa1111_set_audio_rate);
-EXPORT_SYMBOL(sa1111_get_audio_rate);
-EXPORT_SYMBOL(sa1111_set_io_dir);
-EXPORT_SYMBOL(sa1111_set_io);
-EXPORT_SYMBOL(sa1111_set_sleep_io);
-EXPORT_SYMBOL(sa1111_enable_device);
-EXPORT_SYMBOL(sa1111_disable_device);
-EXPORT_SYMBOL(sa1111_pll_clock);
-EXPORT_SYMBOL(sa1111_bus_type);
-EXPORT_SYMBOL(sa1111_driver_register);
-EXPORT_SYMBOL(sa1111_driver_unregister);
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-11 10:04:59 +0000