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tegrakernel/kernel/nvidia/drivers/platform/tegra/wakeups-t18x.c

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/*
* Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
*
* 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 <linux/irqchip/tegra.h>
#include "iomap.h"
#define MAX_WAKE_ENTRIES 96
#define INT_OFFSET 32
#define INT_AOTAG2PMC 279 + INT_OFFSET
#define INT_RTC 10 + INT_OFFSET
#define INT_AOVC 215 + INT_OFFSET
#define INT_AOWDT 18 + INT_OFFSET
#define INT_XUSB 167 + INT_OFFSET
#define INT_SW_WAKE_TRIGGER 19 + INT_OFFSET
#define INT_AOVIC_FIQ 21 + INT_OFFSET
#define INT_AOVIC_IRQ 22 + INT_OFFSET
#define INT_AON_GPIO_0 60 + INT_OFFSET
#define INT_AON_GPIO_1 61 + INT_OFFSET
#define INT_VFMON 280 + INT_OFFSET
#define INT_AOPM 26 + INT_OFFSET
#define INT_PMC2LIC 211 + INT_OFFSET
#define INT_AO_DEBUG_WAKE 29 + INT_OFFSET
#define INT_AOPM2LIC 30 + INT_OFFSET
#define INT_AON_CAR 226 + INT_OFFSET
#define INT_SPE_WDT_EXPIRY 15 + INT_OFFSET
#define INT_EXTERNAL_PMU 209 + INT_OFFSET
#define T19X_INT_XUSB (167 + INT_OFFSET)
#define T19X_INT_VFMON (280 + INT_OFFSET)
#define T19X_INT_AOPM2LIC (216 + INT_OFFSET)
#define T19X_INT_SPE_WAKEON_IPC (133 + INT_OFFSET)
#define T19X_INT_SW_WAKE_TRIGGER (179 + INT_OFFSET)
static int tegra_gpio_wakes[MAX_WAKE_ENTRIES];
static int tegra19_wake_event_irq[] = {
-EAGAIN, /* wake0 */
-EAGAIN, /* wake1 */
-EAGAIN, /* wake2 */
-EAGAIN, /* wake3 */
-EAGAIN, /* wake4 */
-EAGAIN, /* wake5 */
-EINVAL, /* wake6 */
-EAGAIN, /* wake7 */
-EAGAIN, /* wake8 */
-EAGAIN, /* wake9 */
-EAGAIN, /* wake10 */
-EAGAIN, /* wake11 */
-EAGAIN, /* wake12 */
-EAGAIN, /* wake13 */
-EAGAIN, /* wake14 */
-EAGAIN, /* wake15 */
-EAGAIN, /* wake16 */
-EAGAIN, /* wake17 */
-EAGAIN, /* wake18 */
-EAGAIN, /* wake19 */
-EAGAIN, /* wake20 */
-EAGAIN, /* wake21 */
-EAGAIN, /* wake22 */
-EAGAIN, /* wake23 */
INT_EXTERNAL_PMU, /* wake24 */
-EAGAIN, /* wake25 */
-EAGAIN, /* wake26 */
-EAGAIN, /* wake27 */
-EAGAIN, /* wake28 */
-EAGAIN, /* wake29 */
-EAGAIN, /* wake30 */
-EAGAIN, /* wake31 */
-EAGAIN, /* wake32 */
-EAGAIN, /* wake33 */
-EAGAIN, /* wake34 */
-EAGAIN, /* wake35 */
-EAGAIN, /* wake36 */
-EAGAIN, /* wake37 */
-EAGAIN, /* wake38 */
-EAGAIN, /* wake39 */
-EAGAIN, /* wake40 */
-EAGAIN, /* wake41 */
-EAGAIN, /* wake42 */
-EAGAIN, /* wake43 */
-EAGAIN, /* wake44 */
-EAGAIN, /* wake45 */
-EAGAIN, /* wake46 */
-EAGAIN, /* wake47 */
-EAGAIN, /* wake48 */
-EAGAIN, /* wake49 */
-EAGAIN, /* wake50 */
-EAGAIN, /* wake51 */
-EAGAIN, /* wake52 */
-EAGAIN, /* wake53 */
-EAGAIN, /* wake54 */
-EAGAIN, /* wake55 */
-EAGAIN, /* wake56 */
-EAGAIN, /* wake57 */
-EAGAIN, /* wake58 */
-EAGAIN, /* wake59 */
-EAGAIN, /* wake60 */
-EAGAIN, /* wake61 */
-EAGAIN, /* wake62 */
-EAGAIN, /* wake63 */
-EAGAIN, /* wake64 */
-EAGAIN, /* wake65 */
-EAGAIN, /* wake66 */
-EAGAIN, /* wake67 */
-EAGAIN, /* wake68 */
-EAGAIN, /* wake69 */
-EAGAIN, /* wake70 */
-EAGAIN, /* wake71 */
INT_AOTAG2PMC, /* wake72 */
INT_RTC, /* wake73 */
INT_AOVC, /* wake74 */
-EAGAIN, /* wake75 */
T19X_INT_XUSB, /* wake76 */
T19X_INT_XUSB, /* wake77 */
T19X_INT_XUSB, /* wake78 */
T19X_INT_XUSB, /* wake79 */
T19X_INT_XUSB, /* wake80 */
T19X_INT_XUSB, /* wake81 */
T19X_INT_XUSB, /* wake82 */
T19X_INT_SW_WAKE_TRIGGER, /* wake83 */
INT_SPE_WDT_EXPIRY, /* wake84 */
-EAGAIN, /* wake85 */
-EAGAIN, /* wake86 */
-EAGAIN, /* wake87 */
-EAGAIN, /* wake88 */
T19X_INT_VFMON, /* wake89 */
-EAGAIN, /* wake90 */
T19X_INT_SPE_WAKEON_IPC, /* wake91 */
INT_PMC2LIC, /* wake92 */
-EAGAIN, /* wake93 */
T19X_INT_AOPM2LIC, /* wake94 */
INT_AON_CAR, /* wake95 */
};
static int tegra_wake_event_irq[] = {
-EAGAIN, /* wake0 */
-EAGAIN, /* wake1 */
-EAGAIN, /* wake2 */
-EAGAIN, /* wake3 */
-EAGAIN, /* wake4 */
-EAGAIN, /* wake5 */
-EINVAL, /* wake6 */
-EAGAIN, /* wake7 */
-EAGAIN, /* wake8 */
-EAGAIN, /* wake9 */
-EAGAIN, /* wake10 */
-EAGAIN, /* wake11 */
-EAGAIN, /* wake12 */
-EAGAIN, /* wake13 */
-EAGAIN, /* wake14 */
-EAGAIN, /* wake15 */
-EAGAIN, /* wake16 */
-EAGAIN, /* wake17 */
-EAGAIN, /* wake18 */
-EAGAIN, /* wake19 */
-EAGAIN, /* wake20 */
-EAGAIN, /* wake21 */
-EAGAIN, /* wake22 */
-EAGAIN, /* wake23 */
INT_EXTERNAL_PMU, /* wake24 */
-EAGAIN, /* wake25 */
-EAGAIN, /* wake26 */
-EAGAIN, /* wake27 */
-EAGAIN, /* wake28 */
-EAGAIN, /* wake29 */
-EAGAIN, /* wake30 */
-EAGAIN, /* wake31 */
-EAGAIN, /* wake32 */
-EAGAIN, /* wake33 */
-EAGAIN, /* wake34 */
-EAGAIN, /* wake35 */
-EAGAIN, /* wake36 */
-EAGAIN, /* wake37 */
-EAGAIN, /* wake38 */
-EAGAIN, /* wake39 */
-EAGAIN, /* wake40 */
-EAGAIN, /* wake41 */
-EAGAIN, /* wake42 */
-EAGAIN, /* wake43 */
-EAGAIN, /* wake44 */
-EAGAIN, /* wake45 */
-EAGAIN, /* wake46 */
-EAGAIN, /* wake47 */
-EAGAIN, /* wake48 */
-EAGAIN, /* wake49 */
-EAGAIN, /* wake50 */
-EAGAIN, /* wake51 */
-EAGAIN, /* wake52 */
-EAGAIN, /* wake53 */
-EAGAIN, /* wake54 */
-EAGAIN, /* wake55 */
-EAGAIN, /* wake56 */
-EAGAIN, /* wake57 */
-EAGAIN, /* wake58 */
-EAGAIN, /* wake59 */
-EAGAIN, /* wake60 */
-EAGAIN, /* wake61 */
-EAGAIN, /* wake62 */
-EAGAIN, /* wake63 */
-EAGAIN, /* wake64 */
-EAGAIN, /* wake65 */
-EAGAIN, /* wake66 */
-EAGAIN, /* wake67 */
-EAGAIN, /* wake68 */
-EAGAIN, /* wake69 */
-EAGAIN, /* wake70 */
-EAGAIN, /* wake71 */
INT_AOTAG2PMC, /* wake72 */
INT_RTC, /* wake73 */
INT_AOVC, /* wake74 */
INT_AOWDT, /* wake75 */
INT_XUSB, /* wake76 */
INT_XUSB, /* wake77 */
INT_XUSB, /* wake78 */
INT_XUSB, /* wake79 */
INT_XUSB, /* wake80 */
INT_XUSB, /* wake81 */
INT_XUSB, /* wake82 */
INT_SW_WAKE_TRIGGER, /* wake83 */
INT_SPE_WDT_EXPIRY, /* wake84 */
INT_AOVIC_FIQ, /* wake85 */
INT_AOVIC_IRQ, /* wake86 */
INT_AON_GPIO_0, /* wake87 */
INT_AON_GPIO_1, /* wake88 */
INT_VFMON, /* wake89 */
INT_AOPM, /* wake90 */
-EINVAL, /* wake91 */
INT_PMC2LIC, /* wake92 */
INT_AO_DEBUG_WAKE, /* wake93 */
INT_AOPM2LIC, /* wake94 */
INT_AON_CAR, /* wake95 */
};
struct tegra_wakeup_soc {
void (*init_func)(void);
};
static void tegra18x_wakeup_table_init(void)
{
tegra_gpio_wake_table = tegra_gpio_wakes;
tegra_irq_wake_table = tegra_wake_event_irq;
tegra_wake_table_len = ARRAY_SIZE(tegra_gpio_wakes);
}
static void tegra19x_wakeup_table_init(void)
{
tegra_gpio_wake_table = tegra_gpio_wakes;
tegra_irq_wake_table = tegra19_wake_event_irq;
tegra_wake_table_len = ARRAY_SIZE(tegra_gpio_wakes);
}
static const struct tegra_wakeup_soc t18x_wakeup_soc = {
.init_func = tegra18x_wakeup_table_init,
};
static const struct tegra_wakeup_soc t19x_wakeup_soc = {
.init_func = tegra19x_wakeup_table_init,
};
static const struct of_device_id tegra_wakeup_match[] = {
{ .compatible = "nvidia,tegra186", .data = &t18x_wakeup_soc},
{ .compatible = "nvidia,tegra194", .data = &t19x_wakeup_soc},
{ }
};
int __init tegra_wakeup_table_init(void)
{
const struct of_device_id *match;
struct device_node *np;
struct tegra_wakeup_soc *soc_data;
int i;
for (i = 0; i < MAX_WAKE_ENTRIES; i++)
tegra_gpio_wakes[i] = -EINVAL;
np = of_find_matching_node_and_match(NULL, tegra_wakeup_match, &match);
if (np) {
soc_data = (struct tegra_wakeup_soc *)match->data;
soc_data->init_func();
}
return 0;
}
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