-
Notifications
You must be signed in to change notification settings - Fork 564
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Fix a few MCU-related bugs, gm9 should boot properly now
- Stop spamming mcu reads... use the GPIO pin to know if there's a MCU interrupt, instead - Wait for the MCU interrupts to be raised when powering up LCD+backlights - Also turn off LCD+backlight when needed
- Loading branch information
Showing
16 changed files
with
497 additions
and
62 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,225 @@ | ||
| /* | ||
| * This file is part of Luma3DS | ||
| * Copyright (C) 2021 Aurora Wright, TuxSH | ||
| * | ||
| * 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 3 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. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| * Additional Terms 7.b and 7.c of GPLv3 apply to this file: | ||
| * * Requiring preservation of specified reasonable legal notices or | ||
| * author attributions in that material or in the Appropriate Legal | ||
| * Notices displayed by works containing it. | ||
| * * Prohibiting misrepresentation of the origin of that material, | ||
| * or requiring that modified versions of such material be marked in | ||
| * reasonable ways as different from the original version. | ||
| */ | ||
|
|
||
| #pragma once | ||
|
|
||
| #include "types.h" | ||
|
|
||
| typedef struct GpioRegisters { | ||
| u8 gpio1_data; | ||
| u8 _0x001[0x010 - 0x001]; | ||
|
|
||
| u8 gpio2_data; | ||
| u8 gpio2_dir; | ||
| u8 gpio2_intcfg; | ||
| u8 gpio2_inten; | ||
| u16 gpio2_data2; | ||
| u8 _0x016[0x020 - 0x016]; | ||
|
|
||
| u16 gpio3_data; | ||
| u16 gpio3_dir; | ||
| u16 gpio3_intcfg; | ||
| u16 gpio3_inten; | ||
| u16 gpio3_data2; | ||
| u8 _0x02a[0x100 - 0x02A]; | ||
| } GpioRegisters; | ||
|
|
||
| typedef enum GpioDirection { | ||
| GPIO_DIR_INPUT = 0, | ||
| GPIO_DIR_OUTPUT = 1, | ||
| } GpioDirection; | ||
|
|
||
| typedef enum GpioInterruptConfig { | ||
| GPIO_INTCFG_FALLING_EDGE = 0, | ||
| GPIO_INTCFG_RISING_EDGE = 1, | ||
| } GpioInterruptConfig; | ||
|
|
||
| #define GPIO_PIN(bank, idx) (((bank) << 4) | ((idx) & 0xF)) | ||
| #define BANK_OF(pin) ((pin) >> 4) | ||
| #define BIT_OF(pin) ((pin) & 0xF) | ||
|
|
||
| typedef enum GpioPin { | ||
| // GPIO1 | ||
| GPIO_DEBUG_BUTTON = GPIO_PIN(1, 0), // active-low | ||
| GPIO_TOUCH_SCREEN = GPIO_PIN(1, 1), // active-low, 0 when the touch screen is pressed | ||
| GPIO_SHELL_CLOSED = GPIO_PIN(1, 2), | ||
|
|
||
| // GPIO2 | ||
| GPIO_HEADPHONES_INSERTED = GPIO_PIN(2, 0), | ||
| GPIO_TWL_DEPOP = GPIO_PIN(2, 1), // active-low | ||
|
|
||
| // GPIO2 (DATA2) | ||
| GPIO_WIFI_MODE = GPIO_PIN(4, 0), // 0 is CTR, 1 is MP (DS WiFi) | ||
|
|
||
| // GPIO3 | ||
| GPIO_CSTICK_INT = GPIO_PIN(3, 0), | ||
| GPIO_IRDA_INT = GPIO_PIN(3, 1), // active-low | ||
| GPIO_GYRO_INT = GPIO_PIN(3, 2), | ||
| GPIO_CSTICK_STOP = GPIO_PIN(3, 3), // output | ||
| GPIO_IRDA_TXRC = GPIO_PIN(3, 4), // output | ||
| GPIO_IRDA_RXD = GPIO_PIN(3, 5), // active-low | ||
| GPIO_NFC_OUT1 = GPIO_PIN(3, 6), // output | ||
| GPIO_NFC_OUT2 = GPIO_PIN(3, 7), // output | ||
| GPIO_HEADPHONES_BUTTON = GPIO_PIN(3, 8), // active-low ("half-inserted") | ||
| GPIO_MCU_INT = GPIO_PIN(3, 9), | ||
| GPIO_NFC_INT = GPIO_PIN(3, 10), | ||
| GPIO_QTM_OUT = GPIO_PIN(3, 11), // output | ||
|
|
||
| // GPIO3 (DATA2) | ||
| GPIO_WIFI_ENABLED = GPIO_PIN(5, 0), | ||
| } GpioPin; | ||
|
|
||
| static volatile GpioRegisters *const GPIO = (volatile GpioRegisters *)0x10147000; | ||
|
|
||
| static inline bool gpioRead(GpioPin pin) | ||
| { | ||
| u32 bank = BANK_OF(pin); | ||
| u32 bit = BIT_OF(pin); | ||
|
|
||
| switch (bank) { | ||
| case 1: | ||
| return (GPIO->gpio1_data & BIT(bit)) != 0; | ||
| case 2: | ||
| return (GPIO->gpio2_data & BIT(bit)) != 0; | ||
| case 3: | ||
| return (GPIO->gpio3_data & BIT(bit)) != 0; | ||
| case 4: | ||
| return (GPIO->gpio2_data2 & BIT(bit)) != 0; | ||
| case 5: | ||
| return (GPIO->gpio3_data2 & BIT(bit)) != 0; | ||
|
|
||
| default: | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| static inline void gpioWrite(GpioPin pin, bool val) | ||
| { | ||
| u32 bank = BANK_OF(pin); | ||
| u32 bit = BIT_OF(pin); | ||
|
|
||
| u32 valMask = (val ? 1 : 0) << bit; | ||
| u32 tmp; | ||
|
|
||
| switch (bank) { | ||
| case 1: | ||
| tmp = GPIO->gpio1_data & ~BIT(bit); | ||
| GPIO->gpio1_data = (u8)(tmp | valMask); | ||
| break; | ||
| case 2: | ||
| tmp = GPIO->gpio2_data & ~BIT(bit); | ||
| GPIO->gpio2_data = (u8)(tmp | valMask); | ||
| break; | ||
| case 3: | ||
| tmp = GPIO->gpio3_data & ~BIT(bit); | ||
| GPIO->gpio3_data = (u16)(tmp | valMask); | ||
| break; | ||
| case 4: | ||
| tmp = GPIO->gpio2_data2 & ~BIT(bit); | ||
| GPIO->gpio2_data2 = (u16)(tmp | valMask); | ||
| break; | ||
| case 5: | ||
| tmp = GPIO->gpio3_data2 & ~BIT(bit); | ||
| GPIO->gpio3_data2 = (u16)(tmp | valMask); | ||
| break; | ||
|
|
||
| default: | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| static inline void gpioSetDirection(GpioPin pin, GpioDirection direction) | ||
| { | ||
| u32 bank = BANK_OF(pin); | ||
| u32 bit = BIT_OF(pin); | ||
|
|
||
| u32 valMask = (direction == GPIO_DIR_OUTPUT ? 1 : 0) << bit; | ||
| u32 tmp; | ||
|
|
||
| switch (bank) { | ||
| case 2: | ||
| tmp = GPIO->gpio2_dir & ~BIT(bit); | ||
| GPIO->gpio2_dir = (u8)(tmp | valMask); | ||
| break; | ||
| case 3: | ||
| tmp = GPIO->gpio3_dir & ~BIT(bit); | ||
| GPIO->gpio3_dir = (u16)(tmp | valMask); | ||
| break; | ||
|
|
||
| default: | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| static inline void gpioConfigureInterrupt(GpioPin pin, GpioInterruptConfig cfg) | ||
| { | ||
| u32 bank = BANK_OF(pin); | ||
| u32 bit = BIT_OF(pin); | ||
|
|
||
| u32 valMask = (cfg == GPIO_INTCFG_RISING_EDGE ? 1 : 0) << bit; | ||
| u32 tmp; | ||
|
|
||
| switch (bank) { | ||
| case 2: | ||
| tmp = GPIO->gpio2_intcfg & ~BIT(bit); | ||
| GPIO->gpio2_intcfg = (u8)(tmp | valMask); | ||
| break; | ||
| case 3: | ||
| tmp = GPIO->gpio3_data & ~BIT(bit); | ||
| GPIO->gpio3_intcfg = (u16)(tmp | valMask); | ||
| break; | ||
|
|
||
| default: | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| static inline void gpioSetInterruptEnabled(GpioPin pin, bool enabled) | ||
| { | ||
| u32 bank = BANK_OF(pin); | ||
| u32 bit = BIT_OF(pin); | ||
|
|
||
| u32 valMask = (enabled ? 1 : 0) << bit; | ||
| u32 tmp; | ||
|
|
||
| switch (bank) { | ||
| case 2: | ||
| tmp = GPIO->gpio2_inten & ~BIT(bit); | ||
| GPIO->gpio2_inten = (u8)(tmp | valMask); | ||
| break; | ||
| case 3: | ||
| tmp = GPIO->gpio3_inten & ~BIT(bit); | ||
| GPIO->gpio3_inten = (u16)(tmp | valMask); | ||
| break; | ||
|
|
||
| default: | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| #undef GPIO_PIN | ||
| #undef BIT_OF | ||
| #undef BANK_OF |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.