ARM: tegra: T11x wake table created

T11x specific wakeup table is created

Change-Id: I7eec37118194ea08a2f8cc09d2270bad111db20f
Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-on: http://git-master/r/121335
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>

Rebase-Id: R1a6a5e4568604d374310758e81814bf053e8e82e

3 files changed, 232 insertions, 2 deletions

diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index e598a1116c31..f68c53af7bee 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -28,7 +28,11 @@ obj-y                                   += common-t3.o
 obj-y                                   += pm-t3.o
 obj-y                                   += sleep-t30.o
 obj-y                                   += timer-t3.o
+ifeq ($(CONFIG_ARCH_TEGRA_3x_SOC),y)
 obj-y                                   += wakeups-t3.o
+else
+obj-y					+= wakeups-t11x.o
+endif
 ifeq ($(CONFIG_CPU_IDLE),y)
 obj-$(CONFIG_PM_SLEEP)                  += cpuidle-t3.o
 endif
diff --git a/arch/arm/mach-tegra/include/mach/irqs.h b/arch/arm/mach-tegra/include/mach/irqs.h
index 9918fea6addb..4b9cc8732967 100644
--- a/arch/arm/mach-tegra/include/mach/irqs.h
+++ b/arch/arm/mach-tegra/include/mach/irqs.h
@@ -434,7 +434,7 @@
 #ifdef CONFIG_TEGRA_SIMULATION_PLATFORM
 #define IRQ_ETH                         (INT_SEC_BASE + 16)
 #endif
-/* unused				(INT_SEC_BASE + 17) */
+#define INT_XUSB_PADCTL			(INT_SEC_BASE + 17)
 #define INT_TSEC			(INT_SEC_BASE + 18)
 #define INT_EDP				(INT_SEC_BASE + 19)
 #define INT_VFIR			(INT_SEC_BASE + 20)
@@ -493,7 +493,6 @@
 #define INT_PCIE_MSI			(INT_QUAD_BASE + 3)
 #define INT_PCIE			(INT_QUAD_BASE + 4)
 #define INT_AVP_CACHE			(INT_QUAD_BASE + 5)
-#define INT_TSENSOR			(INT_QUAD_BASE + 6)
 #define INT_AUDIO_CLUSTER		(INT_QUAD_BASE + 7)
 #define INT_APB_DMA_CH0			(INT_QUAD_BASE + 8)
 #define INT_APB_DMA_CH1			(INT_QUAD_BASE + 9)
diff --git a/arch/arm/mach-tegra/wakeups-t11x.c b/arch/arm/mach-tegra/wakeups-t11x.c
new file mode 100644
index 000000000000..2b521037417b
--- /dev/null
+++ b/arch/arm/mach-tegra/wakeups-t11x.c
@@ -0,0 +1,227 @@
+/*
+ * Copyright (c) 2012, NVIDIA Corporation.
+ *
+ * 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 program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <mach/iomap.h>
+#include <mach/irqs.h>
+#include <mach/gpio-tegra.h>
+
+#include "gpio-names.h"
+
+static int tegra_gpio_wakes[] = {
+	-EINVAL,				/* wake0 */
+	TEGRA_GPIO_PV1,				/* wake1 */
+	-EINVAL,				/* wake2 */
+	-EINVAL,				/* wake3 */
+	-EINVAL,				/* wake4 */
+	-EINVAL,				/* wake5 */
+	TEGRA_GPIO_PU5,				/* wake6 */
+	TEGRA_GPIO_PU6,				/* wake7 */
+	TEGRA_GPIO_PC7,				/* wake8 */
+	TEGRA_GPIO_PS2,				/* wake9 */
+	-EINVAL,				/* wake10 */
+	TEGRA_GPIO_PW3,				/* wake11 */
+	TEGRA_GPIO_PW2,				/* wake12 */
+	-EINVAL,				/* wake13 */
+	TEGRA_GPIO_PDD3,			/* wake14 */
+	-EINVAL,				/* wake15 */
+	-EINVAL,				/* wake16 */
+	-EINVAL,				/* wake17 */
+	-EINVAL,				/* wake18 */
+	-EINVAL,				/* wake19 */
+	-EINVAL,				/* wake20 */
+	-EINVAL,				/* wake21 */
+	-EINVAL,				/* wake22 */
+	TEGRA_GPIO_PI5,				/* wake23 */
+	TEGRA_GPIO_PV0,				/* wake24 */
+	-EINVAL,				/* wake25 */
+	-EINVAL,				/* wake26 */
+	TEGRA_GPIO_PS0,				/* wake27 */
+	-EINVAL,				/* wake28 */
+	-EINVAL,				/* wake29 */
+	-EINVAL,				/* wake30 */
+	-EINVAL,				/* wake31 */
+	-EINVAL,				/* wake32 */
+	TEGRA_GPIO_PJ0,				/* wake33 */
+	TEGRA_GPIO_PK2,				/* wake34 */
+	TEGRA_GPIO_PI6,				/* wake35 */
+	-EINVAL,				/* wake36 */
+	-EINVAL,				/* wake37 */
+	-EINVAL,				/* wake38 */
+	-EINVAL,				/* wake39 */
+	-EINVAL,				/* wake40 */
+	-EINVAL,				/* wake41 */
+	-EINVAL,				/* wake42 */
+	-EINVAL,				/* wake43 */
+	-EINVAL,				/* wake44 */
+	TEGRA_GPIO_PBB6,			/* wake45 */
+	-EINVAL,				/* wake46 */
+	TEGRA_GPIO_PT6,				/* wake47 */
+	-EINVAL,				/* wake48 */
+	TEGRA_GPIO_PR7,				/* wake49 */
+	TEGRA_GPIO_PR4,				/* wake50 */
+	TEGRA_GPIO_PQ0,				/* wake51 */
+	-EINVAL,				/* wake52 */
+	-EINVAL,				/* wake53 */
+	TEGRA_GPIO_PQ5,				/* wake54 */
+	-EINVAL,				/* wake55 */
+	TEGRA_GPIO_PV2,				/* wake56 */
+	-EINVAL,				/* wake57 */
+	-EINVAL,				/* wake58 */
+};
+
+static int tegra_wake_event_irq[] = {
+	INT_USB2, /* ULPI DATA4 */		/* wake0 */
+	-EAGAIN,				/* wake1 */
+	-EAGAIN,				/* wake2 */
+	INT_SDMMC3, /* SDMMC3 DAT1 */		/* wake3 */
+	INT_HDMI, /* HDMI INT */		/* wake4 */
+	-EAGAIN,				/* wake5 */
+	-EAGAIN,				/* wake6 */
+	-EAGAIN,				/* wake7 */
+	-EAGAIN,				/* wake8 */
+	INT_UARTC, /* UART3 RXD */		/* wake9 */
+	INT_SDMMC4, /* SDMMC4 DAT1 */		/* wake10 */
+	-EAGAIN,				/* wake11 */
+	-EAGAIN,				/* wake12 */
+	INT_SDMMC1, /* SDMMC1 DAT1 */		/* wake13 */
+	-EAGAIN,				/* wake14 */
+	INT_THERMAL,				/* wake15 */
+	INT_RTC,				/* wake16 */
+	INT_KBC,				/* wake17 */
+	INT_EXTERNAL_PMU,			/* wake18 */
+	INT_USB,				/* wake19 */
+	-EINVAL,				/* wake20 */
+	INT_USB,				/* wake21 */
+	-EINVAL,				/* wake22 */
+	-EAGAIN,				/* wake23 */
+	-EAGAIN,				/* wake24 */
+	-EAGAIN,				/* wake25 */
+	-EAGAIN,				/* wake26 */
+	-EAGAIN,				/* wake27 */
+	-EAGAIN,				/* wake28 */
+	-EAGAIN,				/* wake29 */
+	INT_AUDIO_CLUSTER, /* I2S0 SDATA OUT */		/* wake30 */
+	-EINVAL,				/* wake31 */
+	INT_USB2, /* ULPI DATA3 */		/* wake32 */
+	-EAGAIN,				/* wake33 */
+	-EAGAIN,				/* wake34 */
+	-EAGAIN,				/* wake35 */
+	-EAGAIN,				/* wake36 */
+	-EINVAL, /* TEGRA_USB3_VBUS, */		/* wake37 */
+	-EINVAL, /* TEGRA_USB3_ID, */		/* wake38 */
+	INT_USB, /* TEGRA_USB1_UTMIP, */	/* wake39 */
+	-EINVAL,				/* wake40 */
+	INT_USB3, /* TEGRA_USB3_UTMIP, */	/* wake41 */
+	INT_USB, /* USB1 UHSIC PHY */		/* wake42 */
+	INT_USB3, /* USB3 UHSIC PHY */		/* wake43 */
+	INT_I2C, /* I2C1 DAT */		/* wake44 */
+	-EAGAIN,				/* wake45 */
+	INT_I2C5, /* PWR I2C DAT */		/* wake46 */
+	INT_I2C2, /* I2C2 DAT */		/* wake47 */
+	INT_I2C3, /* I2C3 DAT */		/* wake48 */
+	-EAGAIN,				/* wake49 */
+	-EAGAIN,				/* wake50 */
+	INT_KBC, /* KBC11 */			/* wake51 */
+	INT_HDMI, /* HDMI CEC */		/* wake52 */
+	INT_I2C3, /* I2C3 CLK */		/* wake53 */
+	-EAGAIN,				/* wake54 */
+	INT_UARTC, /* UART3 CTS */		/* wake55 */
+	INT_SDMMC3, /* SDMMC3 CD */		/* wake56 */
+	INT_USB, /* TEGRA_USB1_VBUS_EN1, */	/* wake57 */
+	INT_XUSB_PADCTL, /* XUSB superspeed wake */	/* wake58 */
+};
+
+static int last_gpio = -1;
+
+int tegra_gpio_to_wake(int gpio)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(tegra_gpio_wakes); i++) {
+		if (tegra_gpio_wakes[i] == gpio) {
+			pr_info("gpio wake%d for gpio=%d\n", i, gpio);
+			last_gpio = i;
+			return i;
+		}
+	}
+
+	return -EINVAL;
+}
+
+int tegra_irq_to_wake(int irq)
+{
+	int i;
+	int ret = -EINVAL;
+
+	for (i = 0; i < ARRAY_SIZE(tegra_wake_event_irq); i++) {
+		if (tegra_wake_event_irq[i] == irq) {
+			pr_info("Wake%d for irq=%d\n", i, irq);
+			ret = i;
+			goto out;
+		}
+	}
+
+	/* The gpio set_wake code bubbles the set_wake call up to the irq
+	 * set_wake code. This insures that the nested irq set_wake call
+	 * succeeds, even though it doesn't have to do any pm setup for the
+	 * bank.
+	 *
+	 * This is very fragile - there's no locking, so two callers could
+	 * cause issues with this.
+	 */
+	if (last_gpio < 0)
+		goto out;
+
+	if (tegra_gpio_get_bank_int_nr(tegra_gpio_wakes[last_gpio]) == irq) {
+		pr_info("gpio bank wake found: wake%d for irq=%d\n", i, irq);
+		ret = last_gpio;
+	}
+
+out:
+	return ret;
+}
+
+int tegra_wake_to_irq(int wake)
+{
+	int ret;
+
+	if (wake < 0)
+		return -EINVAL;
+
+	if (wake >= ARRAY_SIZE(tegra_wake_event_irq))
+		return -EINVAL;
+
+	ret = tegra_wake_event_irq[wake];
+	if (ret == -EAGAIN) {
+		ret = tegra_gpio_wakes[wake];
+		if (ret != -EINVAL)
+			ret = gpio_to_irq(ret);
+	}
+
+	return ret;
+}
+
+int tegra_disable_wake_source(int wake)
+{
+	if (wake >= ARRAY_SIZE(tegra_wake_event_irq))
+		return -EINVAL;
+
+	tegra_wake_event_irq[wake] = -EINVAL;
+	return 0;
+}