302 lines
7.8 KiB
C
302 lines
7.8 KiB
C
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/*
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* Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include <linux/kernel.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/irqchip/tegra.h>
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#include "iomap.h"
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#define MAX_WAKE_ENTRIES 96
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#define INT_OFFSET 32
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#define INT_AOTAG2PMC 279 + INT_OFFSET
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#define INT_RTC 10 + INT_OFFSET
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#define INT_AOVC 215 + INT_OFFSET
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#define INT_AOWDT 18 + INT_OFFSET
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#define INT_XUSB 167 + INT_OFFSET
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#define INT_SW_WAKE_TRIGGER 19 + INT_OFFSET
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#define INT_AOVIC_FIQ 21 + INT_OFFSET
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#define INT_AOVIC_IRQ 22 + INT_OFFSET
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#define INT_AON_GPIO_0 60 + INT_OFFSET
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#define INT_AON_GPIO_1 61 + INT_OFFSET
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#define INT_VFMON 280 + INT_OFFSET
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#define INT_AOPM 26 + INT_OFFSET
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#define INT_PMC2LIC 211 + INT_OFFSET
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#define INT_AO_DEBUG_WAKE 29 + INT_OFFSET
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#define INT_AOPM2LIC 30 + INT_OFFSET
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#define INT_AON_CAR 226 + INT_OFFSET
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#define INT_SPE_WDT_EXPIRY 15 + INT_OFFSET
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#define INT_EXTERNAL_PMU 209 + INT_OFFSET
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#define T19X_INT_XUSB (167 + INT_OFFSET)
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#define T19X_INT_VFMON (280 + INT_OFFSET)
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#define T19X_INT_AOPM2LIC (216 + INT_OFFSET)
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#define T19X_INT_SPE_WAKEON_IPC (133 + INT_OFFSET)
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#define T19X_INT_SW_WAKE_TRIGGER (179 + INT_OFFSET)
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static int tegra_gpio_wakes[MAX_WAKE_ENTRIES];
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static int tegra19_wake_event_irq[] = {
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-EAGAIN, /* wake0 */
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-EAGAIN, /* wake1 */
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-EAGAIN, /* wake2 */
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-EAGAIN, /* wake3 */
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-EAGAIN, /* wake4 */
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-EAGAIN, /* wake5 */
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-EINVAL, /* wake6 */
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-EAGAIN, /* wake7 */
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-EAGAIN, /* wake8 */
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-EAGAIN, /* wake9 */
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-EAGAIN, /* wake10 */
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-EAGAIN, /* wake11 */
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-EAGAIN, /* wake12 */
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-EAGAIN, /* wake13 */
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-EAGAIN, /* wake14 */
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-EAGAIN, /* wake15 */
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-EAGAIN, /* wake16 */
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-EAGAIN, /* wake17 */
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-EAGAIN, /* wake18 */
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-EAGAIN, /* wake19 */
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-EAGAIN, /* wake20 */
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-EAGAIN, /* wake21 */
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-EAGAIN, /* wake22 */
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-EAGAIN, /* wake23 */
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INT_EXTERNAL_PMU, /* wake24 */
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-EAGAIN, /* wake25 */
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-EAGAIN, /* wake26 */
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-EAGAIN, /* wake27 */
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-EAGAIN, /* wake28 */
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-EAGAIN, /* wake29 */
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-EAGAIN, /* wake30 */
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-EAGAIN, /* wake31 */
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-EAGAIN, /* wake32 */
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-EAGAIN, /* wake33 */
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-EAGAIN, /* wake34 */
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-EAGAIN, /* wake35 */
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-EAGAIN, /* wake36 */
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-EAGAIN, /* wake37 */
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-EAGAIN, /* wake38 */
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-EAGAIN, /* wake39 */
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-EAGAIN, /* wake40 */
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-EAGAIN, /* wake41 */
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-EAGAIN, /* wake42 */
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-EAGAIN, /* wake43 */
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-EAGAIN, /* wake44 */
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-EAGAIN, /* wake45 */
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-EAGAIN, /* wake46 */
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-EAGAIN, /* wake47 */
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-EAGAIN, /* wake48 */
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-EAGAIN, /* wake49 */
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-EAGAIN, /* wake50 */
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-EAGAIN, /* wake51 */
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-EAGAIN, /* wake52 */
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-EAGAIN, /* wake53 */
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-EAGAIN, /* wake54 */
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-EAGAIN, /* wake55 */
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-EAGAIN, /* wake56 */
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-EAGAIN, /* wake57 */
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-EAGAIN, /* wake58 */
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-EAGAIN, /* wake59 */
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-EAGAIN, /* wake60 */
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-EAGAIN, /* wake61 */
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-EAGAIN, /* wake62 */
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-EAGAIN, /* wake63 */
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-EAGAIN, /* wake64 */
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-EAGAIN, /* wake65 */
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-EAGAIN, /* wake66 */
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-EAGAIN, /* wake67 */
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-EAGAIN, /* wake68 */
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-EAGAIN, /* wake69 */
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-EAGAIN, /* wake70 */
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-EAGAIN, /* wake71 */
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INT_AOTAG2PMC, /* wake72 */
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INT_RTC, /* wake73 */
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INT_AOVC, /* wake74 */
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-EAGAIN, /* wake75 */
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T19X_INT_XUSB, /* wake76 */
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T19X_INT_XUSB, /* wake77 */
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T19X_INT_XUSB, /* wake78 */
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T19X_INT_XUSB, /* wake79 */
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T19X_INT_XUSB, /* wake80 */
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T19X_INT_XUSB, /* wake81 */
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T19X_INT_XUSB, /* wake82 */
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T19X_INT_SW_WAKE_TRIGGER, /* wake83 */
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INT_SPE_WDT_EXPIRY, /* wake84 */
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-EAGAIN, /* wake85 */
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-EAGAIN, /* wake86 */
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-EAGAIN, /* wake87 */
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-EAGAIN, /* wake88 */
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T19X_INT_VFMON, /* wake89 */
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-EAGAIN, /* wake90 */
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T19X_INT_SPE_WAKEON_IPC, /* wake91 */
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INT_PMC2LIC, /* wake92 */
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-EAGAIN, /* wake93 */
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T19X_INT_AOPM2LIC, /* wake94 */
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INT_AON_CAR, /* wake95 */
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};
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static int tegra_wake_event_irq[] = {
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-EAGAIN, /* wake0 */
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-EAGAIN, /* wake1 */
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-EAGAIN, /* wake2 */
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-EAGAIN, /* wake3 */
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-EAGAIN, /* wake4 */
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-EAGAIN, /* wake5 */
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-EINVAL, /* wake6 */
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-EAGAIN, /* wake7 */
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-EAGAIN, /* wake8 */
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-EAGAIN, /* wake9 */
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-EAGAIN, /* wake10 */
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-EAGAIN, /* wake11 */
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-EAGAIN, /* wake12 */
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-EAGAIN, /* wake13 */
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-EAGAIN, /* wake14 */
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-EAGAIN, /* wake15 */
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-EAGAIN, /* wake16 */
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-EAGAIN, /* wake17 */
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-EAGAIN, /* wake18 */
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-EAGAIN, /* wake19 */
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-EAGAIN, /* wake20 */
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-EAGAIN, /* wake21 */
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-EAGAIN, /* wake22 */
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-EAGAIN, /* wake23 */
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INT_EXTERNAL_PMU, /* wake24 */
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-EAGAIN, /* wake25 */
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-EAGAIN, /* wake26 */
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-EAGAIN, /* wake27 */
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-EAGAIN, /* wake28 */
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-EAGAIN, /* wake29 */
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-EAGAIN, /* wake30 */
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-EAGAIN, /* wake31 */
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-EAGAIN, /* wake32 */
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-EAGAIN, /* wake33 */
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-EAGAIN, /* wake34 */
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-EAGAIN, /* wake35 */
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-EAGAIN, /* wake36 */
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-EAGAIN, /* wake37 */
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-EAGAIN, /* wake38 */
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-EAGAIN, /* wake39 */
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-EAGAIN, /* wake40 */
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-EAGAIN, /* wake41 */
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-EAGAIN, /* wake42 */
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-EAGAIN, /* wake43 */
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-EAGAIN, /* wake44 */
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-EAGAIN, /* wake45 */
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-EAGAIN, /* wake46 */
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-EAGAIN, /* wake47 */
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-EAGAIN, /* wake48 */
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-EAGAIN, /* wake49 */
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-EAGAIN, /* wake50 */
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-EAGAIN, /* wake51 */
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-EAGAIN, /* wake52 */
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-EAGAIN, /* wake53 */
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-EAGAIN, /* wake54 */
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-EAGAIN, /* wake55 */
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-EAGAIN, /* wake56 */
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-EAGAIN, /* wake57 */
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-EAGAIN, /* wake58 */
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-EAGAIN, /* wake59 */
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-EAGAIN, /* wake60 */
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-EAGAIN, /* wake61 */
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-EAGAIN, /* wake62 */
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-EAGAIN, /* wake63 */
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-EAGAIN, /* wake64 */
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-EAGAIN, /* wake65 */
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-EAGAIN, /* wake66 */
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-EAGAIN, /* wake67 */
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-EAGAIN, /* wake68 */
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-EAGAIN, /* wake69 */
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-EAGAIN, /* wake70 */
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-EAGAIN, /* wake71 */
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INT_AOTAG2PMC, /* wake72 */
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INT_RTC, /* wake73 */
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INT_AOVC, /* wake74 */
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INT_AOWDT, /* wake75 */
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INT_XUSB, /* wake76 */
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INT_XUSB, /* wake77 */
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INT_XUSB, /* wake78 */
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INT_XUSB, /* wake79 */
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INT_XUSB, /* wake80 */
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INT_XUSB, /* wake81 */
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INT_XUSB, /* wake82 */
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INT_SW_WAKE_TRIGGER, /* wake83 */
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INT_SPE_WDT_EXPIRY, /* wake84 */
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INT_AOVIC_FIQ, /* wake85 */
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INT_AOVIC_IRQ, /* wake86 */
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INT_AON_GPIO_0, /* wake87 */
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INT_AON_GPIO_1, /* wake88 */
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INT_VFMON, /* wake89 */
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INT_AOPM, /* wake90 */
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-EINVAL, /* wake91 */
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INT_PMC2LIC, /* wake92 */
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INT_AO_DEBUG_WAKE, /* wake93 */
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INT_AOPM2LIC, /* wake94 */
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INT_AON_CAR, /* wake95 */
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};
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struct tegra_wakeup_soc {
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void (*init_func)(void);
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};
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static void tegra18x_wakeup_table_init(void)
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{
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tegra_gpio_wake_table = tegra_gpio_wakes;
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tegra_irq_wake_table = tegra_wake_event_irq;
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tegra_wake_table_len = ARRAY_SIZE(tegra_gpio_wakes);
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}
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static void tegra19x_wakeup_table_init(void)
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{
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tegra_gpio_wake_table = tegra_gpio_wakes;
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tegra_irq_wake_table = tegra19_wake_event_irq;
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tegra_wake_table_len = ARRAY_SIZE(tegra_gpio_wakes);
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}
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static const struct tegra_wakeup_soc t18x_wakeup_soc = {
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.init_func = tegra18x_wakeup_table_init,
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};
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static const struct tegra_wakeup_soc t19x_wakeup_soc = {
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.init_func = tegra19x_wakeup_table_init,
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};
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static const struct of_device_id tegra_wakeup_match[] = {
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{ .compatible = "nvidia,tegra186", .data = &t18x_wakeup_soc},
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{ .compatible = "nvidia,tegra194", .data = &t19x_wakeup_soc},
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{ }
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};
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int __init tegra_wakeup_table_init(void)
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{
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const struct of_device_id *match;
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struct device_node *np;
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struct tegra_wakeup_soc *soc_data;
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int i;
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for (i = 0; i < MAX_WAKE_ENTRIES; i++)
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tegra_gpio_wakes[i] = -EINVAL;
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np = of_find_matching_node_and_match(NULL, tegra_wakeup_match, &match);
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if (np) {
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soc_data = (struct tegra_wakeup_soc *)match->data;
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soc_data->init_func();
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}
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return 0;
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}
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