mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-22 20:31:14 +00:00
boot: add rgltr/clkrst overrides, skel I2cBusAccessor
This commit is contained in:
Michael Scire
SciresM
parent
f4e499fed9
commit
e5bf06254a
39 changed files with 1061 additions and 1842 deletions
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@ -14,7 +14,6 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <exosphere.hpp>
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#include "i2c_registers.hpp"
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namespace ams::i2c {
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@ -1,77 +0,0 @@
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <exosphere.hpp>
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namespace ams::i2c {
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#define I2C_I2C_CNFG (0x000)
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#define I2C_I2C_CMD_ADDR0 (0x004)
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#define I2C_I2C_CMD_DATA1 (0x00C)
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#define I2C_I2C_STATUS (0x01C)
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#define I2C_INTERRUPT_STATUS_REGISTER (0x068)
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#define I2C_CLK_DIVISOR_REGISTER (0x06C)
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#define I2C_BUS_CLEAR_CONFIG (0x084)
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#define I2C_BUS_CLEAR_STATUS (0x088)
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#define I2C_CONFIG_LOAD (0x08C)
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#define I2C_REG_BITS_MASK(NAME) REG_NAMED_BITS_MASK (I2C, NAME)
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#define I2C_REG_BITS_VALUE(NAME, VALUE) REG_NAMED_BITS_VALUE (I2C, NAME, VALUE)
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#define I2C_REG_BITS_ENUM(NAME, ENUM) REG_NAMED_BITS_ENUM (I2C, NAME, ENUM)
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#define I2C_REG_BITS_ENUM_SEL(NAME, __COND__, TRUE_ENUM, FALSE_ENUM) REG_NAMED_BITS_ENUM_SEL(I2C, NAME, __COND__, TRUE_ENUM, FALSE_ENUM)
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#define DEFINE_I2C_REG(NAME, __OFFSET__, __WIDTH__) REG_DEFINE_NAMED_REG (I2C, NAME, __OFFSET__, __WIDTH__)
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#define DEFINE_I2C_REG_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE) REG_DEFINE_NAMED_BIT_ENUM (I2C, NAME, __OFFSET__, ZERO, ONE)
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#define DEFINE_I2C_REG_TWO_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE) REG_DEFINE_NAMED_TWO_BIT_ENUM (I2C, NAME, __OFFSET__, ZERO, ONE, TWO, THREE)
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#define DEFINE_I2C_REG_THREE_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN) REG_DEFINE_NAMED_THREE_BIT_ENUM(I2C, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN)
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#define DEFINE_I2C_REG_FOUR_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, ELEVEN, TWELVE, THIRTEEN, FOURTEEN, FIFTEEN) REG_DEFINE_NAMED_FOUR_BIT_ENUM (I2C, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, ELEVEN, TWELVE, THIRTEEN, FOURTEEN, FIFTEEN)
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/* I2C_CNFG */
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DEFINE_I2C_REG(I2C_CNFG_LENGTH, 1, 3);
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DEFINE_I2C_REG_BIT_ENUM(I2C_CNFG_CMD1, 6, WRITE, READ);
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DEFINE_I2C_REG_BIT_ENUM(I2C_CNFG_SEND, 9, NOP, GO);
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DEFINE_I2C_REG_BIT_ENUM(I2C_CNFG_NEW_MASTER_FSM, 11, DISABLE, ENABLE);
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DEFINE_I2C_REG_THREE_BIT_ENUM(I2C_CNFG_DEBOUNCE_CNT, 12, NO_DEBOUNCE, DEBOUNCE_2T, DEBOUNCE_4T, DEBOUNCE_6T, DEBOUNCE_8T, DEBOUNCE_10T, DEBOUNCE_12T, DEBOUNCE_14T);
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/* I2C_CMD_ADDR0 */
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DEFINE_I2C_REG_BIT_ENUM(I2C_CMD_ADDR0_7BIT_RW, 0, WRITE, READ);
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DEFINE_I2C_REG(I2C_CMD_ADDR0_7BIT_ADDR, 1, 7);
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/* I2C_STATUS */
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DEFINE_I2C_REG_FOUR_BIT_ENUM(I2C_STATUS_CMD1_STAT, 0, SL1_XFER_SUCCESSFUL, SL1_NOACK_FOR_BYTE1, SL1_NOACK_FOR_BYTE2, SL1_NOACK_FOR_BYTE3, SL1_NOACK_FOR_BYTE4, SL1_NOACK_FOR_BYTE5, SL1_NOACK_FOR_BYTE6, SL1_NOACK_FOR_BYTE7, SL1_NOACK_FOR_BYTE8, SL1_NOACK_FOR_BYTE9, SL1_NOACK_FOR_BYTE10, RESERVED11, RESERVED12, RESERVED13, RESERVED14, RESERVED15);
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DEFINE_I2C_REG_FOUR_BIT_ENUM(I2C_STATUS_CMD2_STAT, 4, SL2_XFER_SUCCESSFUL, SL2_NOACK_FOR_BYTE1, SL2_NOACK_FOR_BYTE2, SL2_NOACK_FOR_BYTE3, SL2_NOACK_FOR_BYTE4, SL2_NOACK_FOR_BYTE5, SL2_NOACK_FOR_BYTE6, SL2_NOACK_FOR_BYTE7, SL2_NOACK_FOR_BYTE8, SL2_NOACK_FOR_BYTE9, SL2_NOACK_FOR_BYTE10, RESERVED11, RESERVED12, RESERVED13, RESERVED14, RESERVED15);
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DEFINE_I2C_REG_BIT_ENUM(I2C_STATUS_BUSY, 8, NOT_BUSY, BUSY);
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/* INTERRUPT_STATUS_REGISTER */
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DEFINE_I2C_REG_BIT_ENUM(INTERRUPT_STATUS_REGISTER_BUS_CLEAR_DONE, 11, UNSET, SET);
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/* CLK_DIVISOR_REGISTER */
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DEFINE_I2C_REG(CLK_DIVISOR_REGISTER_HSMODE, 0, 16);
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DEFINE_I2C_REG(CLK_DIVISOR_REGISTER_STD_FAST_MODE, 16, 16);
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/* BUS_CLEAR_CONFIG */
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DEFINE_I2C_REG_BIT_ENUM(BUS_CLEAR_CONFIG_BC_ENABLE, 0, DISABLE, ENABLE);
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DEFINE_I2C_REG_BIT_ENUM(BUS_CLEAR_CONFIG_BC_TERMINATE, 1, THRESHOLD, IMMEDIATE);
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DEFINE_I2C_REG_BIT_ENUM(BUS_CLEAR_CONFIG_BC_STOP_COND, 2, NO_STOP, STOP);
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DEFINE_I2C_REG(BUS_CLEAR_CONFIG_BC_SCLK_THRESHOLD, 16, 8);
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/* CONFIG_LOAD */
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DEFINE_I2C_REG_BIT_ENUM(CONFIG_LOAD_MSTR_CONFIG_LOAD, 0, DISABLE, ENABLE);
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DEFINE_I2C_REG_BIT_ENUM(CONFIG_LOAD_SLV_CONFIG_LOAD, 1, DISABLE, ENABLE);
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DEFINE_I2C_REG_BIT_ENUM(CONFIG_LOAD_TIMEOUT_CONFIG_LOAD, 2, DISABLE, ENABLE);
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DEFINE_I2C_REG(CONFIG_LOAD_RESERVED_BIT_5, 5, 1);
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}
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@ -43,6 +43,7 @@
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#include <stratosphere/boot2.hpp>
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#include <stratosphere/capsrv.hpp>
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#include <stratosphere/cfg.hpp>
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#include <stratosphere/clkrst.hpp>
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#include <stratosphere/ddsf.hpp>
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#include <stratosphere/dmnt.hpp>
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#include <stratosphere/erpt.hpp>
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@ -63,6 +64,8 @@
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#include <stratosphere/pgl.hpp>
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#include <stratosphere/psc.hpp>
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#include <stratosphere/pm.hpp>
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#include <stratosphere/pwm.hpp>
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#include <stratosphere/regulator.hpp>
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#include <stratosphere/ro.hpp>
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#include <stratosphere/settings.hpp>
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#include <stratosphere/sf.hpp>
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21
libraries/libstratosphere/include/stratosphere/clkrst.hpp
Normal file
21
libraries/libstratosphere/include/stratosphere/clkrst.hpp
Normal file
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@ -0,0 +1,21 @@
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere/clkrst/clkrst_types.hpp>
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#include <stratosphere/clkrst/clkrst_api.hpp>
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#include <stratosphere/clkrst/clkrst_session_api.hpp>
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@ -14,19 +14,12 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere.hpp>
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#include <vapours.hpp>
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#include <stratosphere/clkrst/clkrst_types.hpp>
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namespace ams::i2c {
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namespace ams::clkrst {
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enum class AddressingMode {
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SevenBit = 0,
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};
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enum class SpeedMode {
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Normal = 100000,
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Fast = 400000,
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FastPlus = 1000000,
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HighSpeed = 3400000,
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};
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void Initialize();
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void Finalize();
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}
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@ -0,0 +1,36 @@
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/clkrst/clkrst_types.hpp>
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namespace ams::clkrst {
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struct ClkRstSession {
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void *_session;
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};
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Result OpenSession(ClkRstSession *out, DeviceCode device_code);
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void CloseSession(ClkRstSession *session);
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void SetResetAsserted(ClkRstSession *session);
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void SetResetDeasserted(ClkRstSession *session);
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void SetClockRate(ClkRstSession *session, u32 hz);
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void SetClockDisabled(ClkRstSession *session);
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}
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@ -0,0 +1,23 @@
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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namespace ams::clkrst {
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/* ... */
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}
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@ -33,19 +33,19 @@ namespace ams::i2c::driver {
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virtual void InitializeDriver() = 0;
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virtual void FinalizeDriver() = 0;
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virtual Result Open() = 0;
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virtual void Close() = 0;
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virtual Result InitializeDevice(I2cDeviceProperty *device) = 0;
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virtual void FinalizeDevice(I2cDeviceProperty *device) = 0;
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virtual Result Send(I2cDeviceProperty *device, const void *src, size_t src_size, TransactionOption option) = 0;
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virtual Result Receive(void *dst, size_t dst_size, I2cDeviceProperty *device, TransactionOption option) = 0;
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virtual os::SdkMutex &GetTransactionOrderMutex() = 0;
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virtual void SuspendBus();
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virtual void SuspendPowerBus();
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virtual void SuspendBus() = 0;
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virtual void SuspendPowerBus() = 0;
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virtual void ResumeBus();
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virtual void ResumePowerBus();
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virtual void ResumeBus() = 0;
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virtual void ResumePowerBus() = 0;
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virtual const DeviceCode &GetDeviceCode() const = 0;
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};
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20
libraries/libstratosphere/include/stratosphere/pwm.hpp
Normal file
20
libraries/libstratosphere/include/stratosphere/pwm.hpp
Normal file
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@ -0,0 +1,20 @@
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere/pwm/pwm_types.hpp>
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#include <stratosphere/pwm/pwm_select_channel_name.hpp>
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@ -0,0 +1,51 @@
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
|
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
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*
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* You should have received a copy of the GNU General Public License
|
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/pwm/pwm_types.hpp>
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namespace ams::pwm {
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enum ChannelName {
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ChannelName_Invalid = 0,
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ChannelName_CpuFan = 1,
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ChannelName_LcdBacklight = 2,
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ChannelName_BlinkLed = 3,
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};
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constexpr inline const DeviceCode DeviceCode_CpuFan = 0x3D000001;
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constexpr inline const DeviceCode DeviceCode_LcdBacklight = 0x3400003D;
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constexpr inline const DeviceCode DeviceCode_BlinkLed = 0x35000065;
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constexpr inline DeviceCode ConvertToDeviceCode(ChannelName cn) {
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switch (cn) {
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case ChannelName_CpuFan: return DeviceCode_CpuFan;
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case ChannelName_LcdBacklight: return DeviceCode_LcdBacklight;
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case ChannelName_BlinkLed: return DeviceCode_BlinkLed;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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constexpr inline ChannelName ConvertToChannelName(DeviceCode dc) {
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switch (dc.GetInternalValue()) {
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case DeviceCode_CpuFan .GetInternalValue(): return ChannelName_CpuFan;
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case DeviceCode_LcdBacklight.GetInternalValue(): return ChannelName_LcdBacklight;
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case DeviceCode_BlinkLed .GetInternalValue(): return ChannelName_BlinkLed;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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}
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@ -0,0 +1,24 @@
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/*
|
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* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/pwm/pwm_types.hpp>
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#if defined(ATMOSPHERE_BOARD_NINTENDO_NX)
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#include <stratosphere/pwm/pwm_channel_name.board.nintendo_nx.hpp>
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#else
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/* Error? */
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#endif
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|
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@ -0,0 +1,23 @@
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/*
|
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* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
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#pragma once
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#include <vapours.hpp>
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namespace ams::pwm {
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/* ... */
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}
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21
libraries/libstratosphere/include/stratosphere/regulator.hpp
Normal file
21
libraries/libstratosphere/include/stratosphere/regulator.hpp
Normal file
|
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@ -0,0 +1,21 @@
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/*
|
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* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
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||||
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||||
#pragma once
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||||
|
||||
#include <stratosphere/regulator/regulator_types.hpp>
|
||||
#include <stratosphere/regulator/regulator_api.hpp>
|
||||
#include <stratosphere/regulator/regulator_session_api.hpp>
|
||||
|
|
@ -14,18 +14,12 @@
|
|||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include <stratosphere.hpp>
|
||||
#include <vapours.hpp>
|
||||
#include <stratosphere/regulator/regulator_types.hpp>
|
||||
|
||||
/* This forward declares the functionality from pcv that i2c::driver uses. */
|
||||
/* This allows for overriding at compile-time (e.g., for boot sysmodule). */
|
||||
namespace ams::pcv {
|
||||
namespace ams::regulator {
|
||||
|
||||
void Initialize();
|
||||
void Finalize();
|
||||
Result SetClockRate(PcvModule module, u32 hz);
|
||||
Result SetClockEnabled(PcvModule module, bool enabled);
|
||||
Result SetVoltageEnabled(u32 domain, bool enabled);
|
||||
Result SetVoltageValue(u32 domain, u32 voltage);
|
||||
Result SetReset(PcvModule module, bool reset);
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,34 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include <vapours.hpp>
|
||||
#include <stratosphere/regulator/regulator_types.hpp>
|
||||
|
||||
namespace ams::regulator {
|
||||
|
||||
struct RegulatorSession {
|
||||
void *_session;
|
||||
};
|
||||
|
||||
Result OpenSession(RegulatorSession *out, DeviceCode device_code);
|
||||
void CloseSession(RegulatorSession *session);
|
||||
|
||||
bool GetVoltageEnabled(RegulatorSession *session);
|
||||
Result SetVoltageEnabled(RegulatorSession *session);
|
||||
|
||||
Result SetVoltageValue(RegulatorSession *session, u32 micro_volts);
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include <vapours.hpp>
|
||||
|
||||
namespace ams::regulator {
|
||||
|
||||
/* ... */
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,245 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
#include "i2c_bus_accessor.hpp"
|
||||
|
||||
namespace ams::i2c::driver::board::nintendo_nx::impl {
|
||||
|
||||
void I2cBusAccessor::Initialize(dd::PhysicalAddress reg_paddr, size_t reg_size, os::InterruptName intr, bool pb, SpeedMode sm) {
|
||||
AMS_ASSERT(this->state == State::NotInitialized);
|
||||
|
||||
this->is_power_bus = pb;
|
||||
this->speed_mode = sm;
|
||||
this->interrupt_name = intr;
|
||||
this->registers_phys_addr = reg_paddr;
|
||||
this->registers_size = reg_size;
|
||||
this->state = State::Initializing;
|
||||
}
|
||||
|
||||
void I2cBusAccessor::RegisterDeviceCode(DeviceCode dc) {
|
||||
AMS_ASSERT(this->state == State::Initializing);
|
||||
|
||||
this->device_code = dc;
|
||||
}
|
||||
|
||||
void I2cBusAccessor::InitializeDriver() {
|
||||
AMS_ASSERT(this->state == State::Initializing);
|
||||
|
||||
this->registers = reinterpret_cast<volatile I2cRegisters *>(dd::QueryIoMapping(this->registers_phys_addr, this->registers_size));
|
||||
AMS_ABORT_UNLESS(this->registers != nullptr);
|
||||
|
||||
this->state = State::Initialized;
|
||||
}
|
||||
|
||||
void I2cBusAccessor::FinalizeDriver() {
|
||||
AMS_ASSERT(this->state == State::Initialized);
|
||||
this->state = State::Initializing;
|
||||
}
|
||||
|
||||
Result I2cBusAccessor::InitializeDevice(I2cDeviceProperty *device) {
|
||||
/* Check that the device is valid. */
|
||||
AMS_ASSERT(device != nullptr);
|
||||
AMS_ASSERT(this->state == State::Initialized);
|
||||
|
||||
/* Acquire exclusive access. */
|
||||
std::scoped_lock lk(this->user_count_mutex);
|
||||
|
||||
/* Increment our user count -- if we're already open, we're done. */
|
||||
AMS_ASSERT(this->user_count >= 0);
|
||||
++this->user_count;
|
||||
R_SUCCEED_IF(this->user_count > 1);
|
||||
|
||||
/* Initialize our interrupt event. */
|
||||
os::InitializeInterruptEvent(std::addressof(this->interrupt_event), this->interrupt_name, os::EventClearMode_ManualClear);
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event);
|
||||
|
||||
/* If we're not power bus, perform power management init. */
|
||||
if (!this->is_power_bus) {
|
||||
/* Initialize regulator library. */
|
||||
regulator::Initialize();
|
||||
|
||||
/* Try to open regulator session. */
|
||||
R_TRY(this->TryOpenRegulatorSession());
|
||||
|
||||
/* If we have a regulator session, set voltage to 2.9V. */
|
||||
if (this->has_regulator_session) {
|
||||
/* NOTE: Nintendo does not check the result, here. */
|
||||
regulator::SetVoltageValue(std::addressof(this->regulator_session), 2'900'000u);
|
||||
}
|
||||
|
||||
/* Initialize clock/reset library. */
|
||||
clkrst::Initialize();
|
||||
}
|
||||
|
||||
/* Execute initial config. */
|
||||
this->ExecuteInitialConfig();
|
||||
|
||||
/* If we have a regulator session, enable voltage. */
|
||||
if (!this->is_power_bus && this->has_regulator_session) {
|
||||
/* Check whether voltage was already enabled. */
|
||||
const bool was_enabled = regulator::GetVoltageEnabled(std::addressof(this->regulator_session));
|
||||
|
||||
/* NOTE: Nintendo does not check the result of this call. */
|
||||
regulator::SetVoltageEnabled(std::addressof(this->regulator_session), true);
|
||||
|
||||
/* If we enabled voltage, delay to give our enable time to take. */
|
||||
if (!was_enabled) {
|
||||
os::SleepThread(TimeSpan::FromMicroSeconds(560));
|
||||
}
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::FinalizeDevice(I2cDeviceProperty *device) {
|
||||
/* Check that the device is valid. */
|
||||
AMS_ASSERT(device != nullptr);
|
||||
AMS_ASSERT(this->state == State::Initialized);
|
||||
|
||||
/* Acquire exclusive access. */
|
||||
std::scoped_lock lk(this->user_count_mutex);
|
||||
|
||||
/* Increment our user count -- if we're not the last user, we're done. */
|
||||
AMS_ASSERT(this->user_count > 0);
|
||||
--this->user_count;
|
||||
R_SUCCEED_IF(this->user_count > 0);
|
||||
|
||||
/* Finalize our interrupt event. */
|
||||
os::FinalizeInterruptEvent(std::addressof(this->interrupt_event));
|
||||
|
||||
/* If we have a regulator session, disable voltage. */
|
||||
if (this->has_regulator_session) {
|
||||
/* NOTE: Nintendo does not check the result of this call. */
|
||||
regulator::SetVoltageEnabled(std::addressof(this->regulator_session), false);
|
||||
}
|
||||
|
||||
/* Finalize the clock/reset library. */
|
||||
clkrst::Finalize();
|
||||
|
||||
/* If we have a regulator session, close it. */
|
||||
if (this->has_regulator_session) {
|
||||
regulator::CloseSession(std::addressof(this->regulator_session));
|
||||
this->has_regulator_session = false;
|
||||
}
|
||||
|
||||
/* Finalize the regulator library. */
|
||||
regulator::Finalize();
|
||||
}
|
||||
|
||||
Result I2cBusAccessor::Send(I2cDeviceProperty *device, const void *src, size_t src_size, TransactionOption option) {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
Result I2cBusAccessor::Receive(void *dst, size_t dst_size, I2cDeviceProperty *device, TransactionOption option) {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::SuspendBus() {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::SuspendPowerBus() {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::ResumeBus() {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::ResumePowerBus() {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
Result I2cBusAccessor::TryOpenRegulatorSession() {
|
||||
/* Ensure we track the session. */
|
||||
this->has_regulator_session = true;
|
||||
auto s_guard = SCOPE_GUARD { this->has_regulator_session = false; };
|
||||
|
||||
/* Try to open the session. */
|
||||
R_TRY_CATCH(regulator::OpenSession(std::addressof(this->regulator_session), this->device_code)) {
|
||||
R_CATCH(ddsf::ResultDeviceCodeNotFound) {
|
||||
/* It's okay if the device isn't found, but we don't have a session if so. */
|
||||
this->has_regulator_session = false;
|
||||
}
|
||||
} R_END_TRY_CATCH;
|
||||
|
||||
/* We opened (or not). */
|
||||
s_guard.Cancel();
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::ExecuteInitialConfig() {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
Result I2cBusAccessor::Send(const u8 *src, size_t src_size, TransactionOption option, u16 slave_address, AddressingMode addressing_mode) {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
Result I2cBusAccessor::Receive(u8 *dst, size_t dst_size, TransactionOption option, u16 slave_address, AddressingMode addressing_mode) {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::WriteHeader(Xfer xfer, size_t size, TransactionOption option, u16 slave_address, AddressingMode addressing_mode) {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::ResetController() const {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::ClearBus() const {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::SetClockRegisters(SpeedMode speed_mode) {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::SetPacketModeRegisters() {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
Result I2cBusAccessor::FlushFifos() {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
Result I2cBusAccessor::GetTransactionResult() const {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
void I2cBusAccessor::HandleTransactionError(Result result) {
|
||||
/* TODO */
|
||||
AMS_ABORT();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,145 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include <stratosphere.hpp>
|
||||
#include "i2c_i2c_registers.hpp"
|
||||
|
||||
namespace ams::i2c::driver::board::nintendo_nx::impl {
|
||||
|
||||
class I2cBusAccessor : public ::ams::i2c::driver::II2cDriver {
|
||||
NON_COPYABLE(I2cBusAccessor);
|
||||
NON_MOVEABLE(I2cBusAccessor);
|
||||
AMS_DDSF_CASTABLE_TRAITS(ams::i2c::driver::board::nintendo_nx::impl::I2cBusAccessor, ::ams::i2c::driver::II2cDriver);
|
||||
private:
|
||||
enum class State {
|
||||
NotInitialized = 0,
|
||||
Initializing = 1,
|
||||
Initialized = 2,
|
||||
Suspended = 3,
|
||||
PowerBusSuspended = 4,
|
||||
};
|
||||
|
||||
enum Xfer {
|
||||
Xfer_Write = 0,
|
||||
Xfer_Read = 1,
|
||||
};
|
||||
private:
|
||||
volatile I2cRegisters *registers;
|
||||
SpeedMode speed_mode;
|
||||
os::InterruptEventType interrupt_event;
|
||||
int user_count;
|
||||
os::SdkMutex user_count_mutex;
|
||||
os::SdkMutex register_mutex;
|
||||
regulator::RegulatorSession regulator_session;
|
||||
bool has_regulator_session;
|
||||
State state;
|
||||
os::SdkMutex transaction_order_mutex;
|
||||
bool is_power_bus;
|
||||
dd::PhysicalAddress registers_phys_addr;
|
||||
size_t registers_size;
|
||||
os::InterruptName interrupt_name;
|
||||
DeviceCode device_code;
|
||||
util::IntrusiveListNode bus_accessor_list_node;
|
||||
public:
|
||||
using BusAccessorListTraits = util::IntrusiveListMemberTraitsDeferredAssert<&I2cBusAccessor::bus_accessor_list_node>;
|
||||
using BusAccessorList = typename BusAccessorListTraits::ListType;
|
||||
friend class util::IntrusiveList<I2cBusAccessor, util::IntrusiveListMemberTraitsDeferredAssert<&I2cBusAccessor::bus_accessor_list_node>>;
|
||||
public:
|
||||
I2cBusAccessor()
|
||||
: registers(nullptr), speed_mode(SpeedMode_Fast), user_count(0), user_count_mutex(),
|
||||
register_mutex(), has_regulator_session(false), state(State::NotInitialized), transaction_order_mutex(),
|
||||
is_power_bus(false), registers_phys_addr(0), registers_size(0), interrupt_name(), device_code(-1), bus_accessor_list_node()
|
||||
{
|
||||
/* ... */
|
||||
}
|
||||
|
||||
void Initialize(dd::PhysicalAddress reg_paddr, size_t reg_size, os::InterruptName intr, bool pb, SpeedMode sm);
|
||||
void RegisterDeviceCode(DeviceCode device_code);
|
||||
|
||||
SpeedMode GetSpeedMode() const { return this->speed_mode; }
|
||||
dd::PhysicalAddress GetRegistersPhysicalAddress() const { return this->registers_phys_addr; }
|
||||
size_t GetRegistersSize() const { return this->registers_size; }
|
||||
os::InterruptName GetInterruptName() const { return this->interrupt_name; }
|
||||
|
||||
void RemoveFrom(BusAccessorList &lst) {
|
||||
lst.erase(lst.iterator_to(*this));
|
||||
}
|
||||
|
||||
bool IsLinkedToList() const {
|
||||
return this->bus_accessor_list_node.IsLinked();
|
||||
}
|
||||
private:
|
||||
Result TryOpenRegulatorSession();
|
||||
|
||||
void ExecuteInitialConfig();
|
||||
|
||||
Result Send(const u8 *src, size_t src_size, TransactionOption option, u16 slave_address, AddressingMode addressing_mode);
|
||||
Result Receive(u8 *dst, size_t dst_size, TransactionOption option, u16 slave_address, AddressingMode addressing_mode);
|
||||
|
||||
void WriteHeader(Xfer xfer, size_t size, TransactionOption option, u16 slave_address, AddressingMode addressing_mode);
|
||||
|
||||
void ResetController() const;
|
||||
void ClearBus() const;
|
||||
void SetClockRegisters(SpeedMode speed_mode);
|
||||
void SetPacketModeRegisters();
|
||||
|
||||
Result FlushFifos();
|
||||
|
||||
Result GetTransactionResult() const;
|
||||
void HandleTransactionError(Result result);
|
||||
|
||||
void DisableInterruptMask() {
|
||||
reg::Write(this->registers->interrupt_mask_register, 0);
|
||||
reg::Read(this->registers->interrupt_mask_register);
|
||||
}
|
||||
|
||||
Result CheckAndHandleError() {
|
||||
const Result result = this->GetTransactionResult();
|
||||
this->HandleTransactionError(result);
|
||||
if (R_FAILED(result)) {
|
||||
this->DisableInterruptMask();
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event));
|
||||
return result;
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
public:
|
||||
virtual void InitializeDriver() override;
|
||||
virtual void FinalizeDriver() override;
|
||||
|
||||
virtual Result InitializeDevice(I2cDeviceProperty *device) override;
|
||||
virtual void FinalizeDevice(I2cDeviceProperty *device) override;
|
||||
|
||||
virtual Result Send(I2cDeviceProperty *device, const void *src, size_t src_size, TransactionOption option) override;
|
||||
virtual Result Receive(void *dst, size_t dst_size, I2cDeviceProperty *device, TransactionOption option) override;
|
||||
|
||||
virtual os::SdkMutex &GetTransactionOrderMutex() override {
|
||||
return this->transaction_order_mutex;
|
||||
}
|
||||
|
||||
virtual void SuspendBus() override;
|
||||
virtual void SuspendPowerBus() override;
|
||||
|
||||
virtual void ResumeBus() override;
|
||||
virtual void ResumePowerBus() override;
|
||||
|
||||
virtual const DeviceCode &GetDeviceCode() const override {
|
||||
return this->device_code;
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include <stratosphere.hpp>
|
||||
|
||||
namespace ams::i2c::driver::board::nintendo_nx::impl {
|
||||
|
||||
struct I2cRegisters {
|
||||
volatile u32 cnfg;
|
||||
volatile u32 cmd_addr0;
|
||||
volatile u32 cmd_addr1;
|
||||
volatile u32 cmd_data1;
|
||||
volatile u32 cmd_data2;
|
||||
volatile u32 _14;
|
||||
volatile u32 _18;
|
||||
volatile u32 status;
|
||||
volatile u32 sl_cnfg;
|
||||
volatile u32 sl_rcvd;
|
||||
volatile u32 sl_status;
|
||||
volatile u32 sl_addr1;
|
||||
volatile u32 sl_addr2;
|
||||
volatile u32 tlow_sext;
|
||||
volatile u32 _38;
|
||||
volatile u32 sl_delay_count;
|
||||
volatile u32 sl_int_mask;
|
||||
volatile u32 sl_int_source;
|
||||
volatile u32 sl_int_set;
|
||||
volatile u32 _4c;
|
||||
volatile u32 tx_packet_fifo;
|
||||
volatile u32 rx_fifo;
|
||||
volatile u32 packet_transfer_status;
|
||||
volatile u32 fifo_control;
|
||||
volatile u32 fifo_status;
|
||||
volatile u32 interrupt_mask_register;
|
||||
volatile u32 interrupt_status_register;
|
||||
volatile u32 clk_divisor_register;
|
||||
volatile u32 interrupt_source_register;
|
||||
volatile u32 interrupt_set_register;
|
||||
volatile u32 slv_tx_packet_fifo;
|
||||
volatile u32 slv_rx_fifo;
|
||||
volatile u32 slv_packet_status;
|
||||
volatile u32 bus_clear_config;
|
||||
volatile u32 bus_clear_status;
|
||||
volatile u32 config_load;
|
||||
volatile u32 _90;
|
||||
volatile u32 interface_timing_0;
|
||||
volatile u32 interface_timing_1;
|
||||
volatile u32 hs_interface_timing_0;
|
||||
volatile u32 hs_interface_timing_1;
|
||||
};
|
||||
static_assert(sizeof(I2cRegisters) == 0xA4);
|
||||
|
||||
}
|
||||
|
|
@ -28,6 +28,7 @@
|
|||
#include <vapours/tegra/tegra_emc.hpp>
|
||||
#include <vapours/tegra/tegra_evp.hpp>
|
||||
#include <vapours/tegra/tegra_flow_ctlr.hpp>
|
||||
#include <vapours/tegra/tegra_i2c.hpp>
|
||||
#include <vapours/tegra/tegra_ictlr.hpp>
|
||||
#include <vapours/tegra/tegra_mc.hpp>
|
||||
#include <vapours/tegra/tegra_mselect.hpp>
|
||||
|
|
|
|||
|
|
@ -107,6 +107,7 @@ DEFINE_CLK_RST_REG_BIT_ENUM(PLLC4_BASE_PLLC4_ENABLE, 30, DISABLE, ENABLE);
|
|||
#define CLK_RST_CONTROLLER_CLK_OUT_ENB_W (0x364)
|
||||
|
||||
/* CLK_SOURCE */
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_PWM (0x110)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_I2C1 (0x124)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_I2C5 (0x128)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_DISP1 (0x138)
|
||||
|
|
@ -115,14 +116,18 @@ DEFINE_CLK_RST_REG_BIT_ENUM(PLLC4_BASE_PLLC4_ENABLE, 30, DISABLE, ENABLE);
|
|||
#define CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC4 (0x164)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_UARTA (0x178)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_UARTB (0x17C)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_I2C2 (0x198)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_UARTC (0x1A0)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_I2C3 (0x1B8)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC3 (0x1BC)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_CSITE (0x1D4)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_MSELECT (0x3B4)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_I2C4 (0x3C4)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_ACTMON (0x3E8)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_DSIA_LP (0x620)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_DVFS_REF (0x62C)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_DVFS_SOC (0x630)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_I2C6 (0x65C)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_UART_FST_MIPI_CAL (0x66C)
|
||||
#define CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC_LEGACY_TM (0x694)
|
||||
|
||||
|
|
@ -156,12 +161,36 @@ DEFINE_CLK_RST_REG_BIT_ENUM(PLLC4_BASE_PLLC4_ENABLE, 30, DISABLE, ENABLE);
|
|||
#define CLK_RST_CONTROLLER_CLK_ENB_V_CLR (0x444)
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_W_CLR (0x44C)
|
||||
|
||||
/* RST_*_INDEX */
|
||||
#define CLK_RST_CONTROLLER_RST_I2C1_INDEX (0x0C)
|
||||
#define CLK_RST_CONTROLLER_RST_I2C2_INDEX (0x16)
|
||||
#define CLK_RST_CONTROLLER_RST_I2C3_INDEX (0x03)
|
||||
#define CLK_RST_CONTROLLER_RST_I2C4_INDEX (0x07)
|
||||
#define CLK_RST_CONTROLLER_RST_I2C5_INDEX (0x0F)
|
||||
#define CLK_RST_CONTROLLER_RST_I2C6_INDEX (0x06)
|
||||
|
||||
#define CLK_RST_CONTROLLER_RST_PWM_INDEX (0x11)
|
||||
|
||||
#define CLK_RST_CONTROLLER_RST_UARTA_INDEX (0x06)
|
||||
#define CLK_RST_CONTROLLER_RST_UARTB_INDEX (0x07)
|
||||
#define CLK_RST_CONTROLLER_RST_UARTC_INDEX (0x17)
|
||||
|
||||
#define CLK_RST_CONTROLLER_RST_ACTMON_INDEX (0x17)
|
||||
|
||||
/* CLK_ENB_*_INDEX */
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_I2C1_INDEX (0x0C)
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_I2C2_INDEX (0x16)
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_I2C3_INDEX (0x03)
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_I2C4_INDEX (0x07)
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_I2C5_INDEX (0x0F)
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_I2C6_INDEX (0x06)
|
||||
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_PWM_INDEX (0x11)
|
||||
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_UARTA_INDEX (0x06)
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_UARTB_INDEX (0x07)
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_UARTC_INDEX (0x17)
|
||||
|
||||
#define CLK_RST_CONTROLLER_CLK_ENB_ACTMON_INDEX (0x17)
|
||||
|
||||
/* RST_CPUG_CMPLX_* */
|
||||
|
|
@ -181,6 +210,9 @@ DEFINE_CLK_RST_REG_BIT_ENUM(LVL2_CLK_GATE_OVRD_SDMMC2_LEGACY_TMCLK_OVR_ON, 29, O
|
|||
DEFINE_CLK_RST_REG_BIT_ENUM(LVL2_CLK_GATE_OVRD_SDMMC3_LEGACY_TMCLK_OVR_ON, 30, OFF, ON);
|
||||
DEFINE_CLK_RST_REG_BIT_ENUM(LVL2_CLK_GATE_OVRD_SDMMC4_LEGACY_TMCLK_OVR_ON, 31, OFF, ON);
|
||||
|
||||
DEFINE_CLK_RST_REG(CLK_SOURCE_CLK_DIVISOR, 0, 8);
|
||||
DEFINE_CLK_RST_REG(CLK_SOURCE_CLK_SOURCE, 29, 3);
|
||||
|
||||
DEFINE_CLK_RST_REG_THREE_BIT_ENUM(CLK_SOURCE_I2C1_I2C1_CLK_SRC, 29, PLLP_OUT0, PLLC2_OUT0, PLLC_OUT0, PLLC4_OUT0, RESERVED4, PLLC4_OUT1, CLK_M, PLLC4_OUT2);
|
||||
DEFINE_CLK_RST_REG(CLK_SOURCE_I2C1_I2C1_CLK_DIVISOR, 0, 8);
|
||||
DEFINE_CLK_RST_REG_THREE_BIT_ENUM(CLK_SOURCE_I2C5_I2C5_CLK_SRC, 29, PLLP_OUT0, PLLC2_OUT0, PLLC_OUT0, PLLC4_OUT0, RESERVED4, PLLC4_OUT1, CLK_M, PLLC4_OUT2);
|
||||
|
|
|
|||
78
libraries/libvapours/include/vapours/tegra/tegra_i2c.hpp
Normal file
78
libraries/libvapours/include/vapours/tegra/tegra_i2c.hpp
Normal file
|
|
@ -0,0 +1,78 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include <vapours/common.hpp>
|
||||
#include <vapours/assert.hpp>
|
||||
#include <vapours/literals.hpp>
|
||||
#include <vapours/util.hpp>
|
||||
#include <vapours/results.hpp>
|
||||
#include <vapours/reg.hpp>
|
||||
|
||||
#define I2C_I2C_CNFG (0x000)
|
||||
#define I2C_I2C_CMD_ADDR0 (0x004)
|
||||
#define I2C_I2C_CMD_DATA1 (0x00C)
|
||||
#define I2C_I2C_STATUS (0x01C)
|
||||
#define I2C_INTERRUPT_STATUS_REGISTER (0x068)
|
||||
#define I2C_CLK_DIVISOR_REGISTER (0x06C)
|
||||
#define I2C_BUS_CLEAR_CONFIG (0x084)
|
||||
#define I2C_BUS_CLEAR_STATUS (0x088)
|
||||
#define I2C_CONFIG_LOAD (0x08C)
|
||||
|
||||
#define I2C_REG_BITS_MASK(NAME) REG_NAMED_BITS_MASK (I2C, NAME)
|
||||
#define I2C_REG_BITS_VALUE(NAME, VALUE) REG_NAMED_BITS_VALUE (I2C, NAME, VALUE)
|
||||
#define I2C_REG_BITS_ENUM(NAME, ENUM) REG_NAMED_BITS_ENUM (I2C, NAME, ENUM)
|
||||
#define I2C_REG_BITS_ENUM_SEL(NAME, __COND__, TRUE_ENUM, FALSE_ENUM) REG_NAMED_BITS_ENUM_SEL(I2C, NAME, __COND__, TRUE_ENUM, FALSE_ENUM)
|
||||
|
||||
#define DEFINE_I2C_REG(NAME, __OFFSET__, __WIDTH__) REG_DEFINE_NAMED_REG (I2C, NAME, __OFFSET__, __WIDTH__)
|
||||
#define DEFINE_I2C_REG_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE) REG_DEFINE_NAMED_BIT_ENUM (I2C, NAME, __OFFSET__, ZERO, ONE)
|
||||
#define DEFINE_I2C_REG_TWO_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE) REG_DEFINE_NAMED_TWO_BIT_ENUM (I2C, NAME, __OFFSET__, ZERO, ONE, TWO, THREE)
|
||||
#define DEFINE_I2C_REG_THREE_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN) REG_DEFINE_NAMED_THREE_BIT_ENUM(I2C, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN)
|
||||
#define DEFINE_I2C_REG_FOUR_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, ELEVEN, TWELVE, THIRTEEN, FOURTEEN, FIFTEEN) REG_DEFINE_NAMED_FOUR_BIT_ENUM (I2C, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, ELEVEN, TWELVE, THIRTEEN, FOURTEEN, FIFTEEN)
|
||||
|
||||
/* I2C_CNFG */
|
||||
DEFINE_I2C_REG(I2C_CNFG_LENGTH, 1, 3);
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_CNFG_CMD1, 6, WRITE, READ);
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_CNFG_SEND, 9, NOP, GO);
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_CNFG_NEW_MASTER_FSM, 11, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG_THREE_BIT_ENUM(I2C_CNFG_DEBOUNCE_CNT, 12, NO_DEBOUNCE, DEBOUNCE_2T, DEBOUNCE_4T, DEBOUNCE_6T, DEBOUNCE_8T, DEBOUNCE_10T, DEBOUNCE_12T, DEBOUNCE_14T);
|
||||
|
||||
/* I2C_CMD_ADDR0 */
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_CMD_ADDR0_7BIT_RW, 0, WRITE, READ);
|
||||
DEFINE_I2C_REG(I2C_CMD_ADDR0_7BIT_ADDR, 1, 7);
|
||||
|
||||
/* I2C_STATUS */
|
||||
DEFINE_I2C_REG_FOUR_BIT_ENUM(I2C_STATUS_CMD1_STAT, 0, SL1_XFER_SUCCESSFUL, SL1_NOACK_FOR_BYTE1, SL1_NOACK_FOR_BYTE2, SL1_NOACK_FOR_BYTE3, SL1_NOACK_FOR_BYTE4, SL1_NOACK_FOR_BYTE5, SL1_NOACK_FOR_BYTE6, SL1_NOACK_FOR_BYTE7, SL1_NOACK_FOR_BYTE8, SL1_NOACK_FOR_BYTE9, SL1_NOACK_FOR_BYTE10, RESERVED11, RESERVED12, RESERVED13, RESERVED14, RESERVED15);
|
||||
DEFINE_I2C_REG_FOUR_BIT_ENUM(I2C_STATUS_CMD2_STAT, 4, SL2_XFER_SUCCESSFUL, SL2_NOACK_FOR_BYTE1, SL2_NOACK_FOR_BYTE2, SL2_NOACK_FOR_BYTE3, SL2_NOACK_FOR_BYTE4, SL2_NOACK_FOR_BYTE5, SL2_NOACK_FOR_BYTE6, SL2_NOACK_FOR_BYTE7, SL2_NOACK_FOR_BYTE8, SL2_NOACK_FOR_BYTE9, SL2_NOACK_FOR_BYTE10, RESERVED11, RESERVED12, RESERVED13, RESERVED14, RESERVED15);
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_STATUS_BUSY, 8, NOT_BUSY, BUSY);
|
||||
|
||||
/* INTERRUPT_STATUS_REGISTER */
|
||||
DEFINE_I2C_REG_BIT_ENUM(INTERRUPT_STATUS_REGISTER_BUS_CLEAR_DONE, 11, UNSET, SET);
|
||||
|
||||
/* CLK_DIVISOR_REGISTER */
|
||||
DEFINE_I2C_REG(CLK_DIVISOR_REGISTER_HSMODE, 0, 16);
|
||||
DEFINE_I2C_REG(CLK_DIVISOR_REGISTER_STD_FAST_MODE, 16, 16);
|
||||
|
||||
/* BUS_CLEAR_CONFIG */
|
||||
DEFINE_I2C_REG_BIT_ENUM(BUS_CLEAR_CONFIG_BC_ENABLE, 0, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG_BIT_ENUM(BUS_CLEAR_CONFIG_BC_TERMINATE, 1, THRESHOLD, IMMEDIATE);
|
||||
DEFINE_I2C_REG_BIT_ENUM(BUS_CLEAR_CONFIG_BC_STOP_COND, 2, NO_STOP, STOP);
|
||||
DEFINE_I2C_REG(BUS_CLEAR_CONFIG_BC_SCLK_THRESHOLD, 16, 8);
|
||||
|
||||
/* CONFIG_LOAD */
|
||||
DEFINE_I2C_REG_BIT_ENUM(CONFIG_LOAD_MSTR_CONFIG_LOAD, 0, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG_BIT_ENUM(CONFIG_LOAD_SLV_CONFIG_LOAD, 1, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG_BIT_ENUM(CONFIG_LOAD_TIMEOUT_CONFIG_LOAD, 2, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG(CONFIG_LOAD_RESERVED_BIT_5, 5, 1);
|
||||
|
|
@ -42,62 +42,6 @@ namespace ams::sdmmc::impl {
|
|||
constexpr inline const dd::PhysicalAddress I2c5RegistersAddress = UINT64_C(0x7000D000);
|
||||
constexpr inline const size_t I2c5RegistersSize = 4_KB;
|
||||
|
||||
#define I2C_I2C_CNFG (0x000)
|
||||
#define I2C_I2C_CMD_ADDR0 (0x004)
|
||||
#define I2C_I2C_CMD_DATA1 (0x00C)
|
||||
#define I2C_I2C_STATUS (0x01C)
|
||||
#define I2C_INTERRUPT_STATUS_REGISTER (0x068)
|
||||
#define I2C_CLK_DIVISOR_REGISTER (0x06C)
|
||||
#define I2C_BUS_CLEAR_CONFIG (0x084)
|
||||
#define I2C_BUS_CLEAR_STATUS (0x088)
|
||||
#define I2C_CONFIG_LOAD (0x08C)
|
||||
|
||||
#define I2C_REG_BITS_MASK(NAME) REG_NAMED_BITS_MASK (I2C, NAME)
|
||||
#define I2C_REG_BITS_VALUE(NAME, VALUE) REG_NAMED_BITS_VALUE (I2C, NAME, VALUE)
|
||||
#define I2C_REG_BITS_ENUM(NAME, ENUM) REG_NAMED_BITS_ENUM (I2C, NAME, ENUM)
|
||||
#define I2C_REG_BITS_ENUM_SEL(NAME, __COND__, TRUE_ENUM, FALSE_ENUM) REG_NAMED_BITS_ENUM_SEL(I2C, NAME, __COND__, TRUE_ENUM, FALSE_ENUM)
|
||||
|
||||
#define DEFINE_I2C_REG(NAME, __OFFSET__, __WIDTH__) REG_DEFINE_NAMED_REG (I2C, NAME, __OFFSET__, __WIDTH__)
|
||||
#define DEFINE_I2C_REG_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE) REG_DEFINE_NAMED_BIT_ENUM (I2C, NAME, __OFFSET__, ZERO, ONE)
|
||||
#define DEFINE_I2C_REG_TWO_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE) REG_DEFINE_NAMED_TWO_BIT_ENUM (I2C, NAME, __OFFSET__, ZERO, ONE, TWO, THREE)
|
||||
#define DEFINE_I2C_REG_THREE_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN) REG_DEFINE_NAMED_THREE_BIT_ENUM(I2C, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN)
|
||||
#define DEFINE_I2C_REG_FOUR_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, ELEVEN, TWELVE, THIRTEEN, FOURTEEN, FIFTEEN) REG_DEFINE_NAMED_FOUR_BIT_ENUM (I2C, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, ELEVEN, TWELVE, THIRTEEN, FOURTEEN, FIFTEEN)
|
||||
|
||||
/* I2C_CNFG */
|
||||
DEFINE_I2C_REG(I2C_CNFG_LENGTH, 1, 3);
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_CNFG_CMD1, 6, WRITE, READ);
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_CNFG_SEND, 9, NOP, GO);
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_CNFG_NEW_MASTER_FSM, 11, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG_THREE_BIT_ENUM(I2C_CNFG_DEBOUNCE_CNT, 12, NO_DEBOUNCE, DEBOUNCE_2T, DEBOUNCE_4T, DEBOUNCE_6T, DEBOUNCE_8T, DEBOUNCE_10T, DEBOUNCE_12T, DEBOUNCE_14T);
|
||||
|
||||
/* I2C_CMD_ADDR0 */
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_CMD_ADDR0_7BIT_RW, 0, WRITE, READ);
|
||||
DEFINE_I2C_REG(I2C_CMD_ADDR0_7BIT_ADDR, 1, 7);
|
||||
|
||||
/* I2C_STATUS */
|
||||
DEFINE_I2C_REG_FOUR_BIT_ENUM(I2C_STATUS_CMD1_STAT, 0, SL1_XFER_SUCCESSFUL, SL1_NOACK_FOR_BYTE1, SL1_NOACK_FOR_BYTE2, SL1_NOACK_FOR_BYTE3, SL1_NOACK_FOR_BYTE4, SL1_NOACK_FOR_BYTE5, SL1_NOACK_FOR_BYTE6, SL1_NOACK_FOR_BYTE7, SL1_NOACK_FOR_BYTE8, SL1_NOACK_FOR_BYTE9, SL1_NOACK_FOR_BYTE10, RESERVED11, RESERVED12, RESERVED13, RESERVED14, RESERVED15);
|
||||
DEFINE_I2C_REG_FOUR_BIT_ENUM(I2C_STATUS_CMD2_STAT, 4, SL2_XFER_SUCCESSFUL, SL2_NOACK_FOR_BYTE1, SL2_NOACK_FOR_BYTE2, SL2_NOACK_FOR_BYTE3, SL2_NOACK_FOR_BYTE4, SL2_NOACK_FOR_BYTE5, SL2_NOACK_FOR_BYTE6, SL2_NOACK_FOR_BYTE7, SL2_NOACK_FOR_BYTE8, SL2_NOACK_FOR_BYTE9, SL2_NOACK_FOR_BYTE10, RESERVED11, RESERVED12, RESERVED13, RESERVED14, RESERVED15);
|
||||
DEFINE_I2C_REG_BIT_ENUM(I2C_STATUS_BUSY, 8, NOT_BUSY, BUSY);
|
||||
|
||||
/* INTERRUPT_STATUS_REGISTER */
|
||||
DEFINE_I2C_REG_BIT_ENUM(INTERRUPT_STATUS_REGISTER_BUS_CLEAR_DONE, 11, UNSET, SET);
|
||||
|
||||
/* CLK_DIVISOR_REGISTER */
|
||||
DEFINE_I2C_REG(CLK_DIVISOR_REGISTER_HSMODE, 0, 16);
|
||||
DEFINE_I2C_REG(CLK_DIVISOR_REGISTER_STD_FAST_MODE, 16, 16);
|
||||
|
||||
/* BUS_CLEAR_CONFIG */
|
||||
DEFINE_I2C_REG_BIT_ENUM(BUS_CLEAR_CONFIG_BC_ENABLE, 0, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG_BIT_ENUM(BUS_CLEAR_CONFIG_BC_TERMINATE, 1, THRESHOLD, IMMEDIATE);
|
||||
DEFINE_I2C_REG_BIT_ENUM(BUS_CLEAR_CONFIG_BC_STOP_COND, 2, NO_STOP, STOP);
|
||||
DEFINE_I2C_REG(BUS_CLEAR_CONFIG_BC_SCLK_THRESHOLD, 16, 8);
|
||||
|
||||
/* CONFIG_LOAD */
|
||||
DEFINE_I2C_REG_BIT_ENUM(CONFIG_LOAD_MSTR_CONFIG_LOAD, 0, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG_BIT_ENUM(CONFIG_LOAD_SLV_CONFIG_LOAD, 1, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG_BIT_ENUM(CONFIG_LOAD_TIMEOUT_CONFIG_LOAD, 2, DISABLE, ENABLE);
|
||||
DEFINE_I2C_REG(CONFIG_LOAD_RESERVED_BIT_5, 5, 1);
|
||||
|
||||
namespace {
|
||||
|
||||
constexpr inline size_t MaxTransferSize = sizeof(u32);
|
||||
|
|
|
|||
|
|
@ -0,0 +1,149 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
|
||||
namespace ams::clkrst {
|
||||
|
||||
namespace {
|
||||
|
||||
constexpr inline dd::PhysicalAddress ClkRstRegistersPhysicalAddress = 0x60006000;
|
||||
constexpr inline size_t ClkRstRegistersSize = 0x1000;
|
||||
|
||||
uintptr_t g_clkrst_registers = dd::QueryIoMapping(ClkRstRegistersPhysicalAddress, ClkRstRegistersSize);
|
||||
|
||||
struct ClkRstDefinition {
|
||||
u32 clk_src_ofs;
|
||||
u32 clk_en_ofs;
|
||||
u32 rst_ofs;
|
||||
u32 clk_en_index;
|
||||
u32 rst_index;
|
||||
u8 clk_src;
|
||||
u8 clk_divisor;
|
||||
};
|
||||
|
||||
constexpr inline const ClkRstDefinition Definitions[] = {
|
||||
{ CLK_RST_CONTROLLER_CLK_SOURCE_I2C1, CLK_RST_CONTROLLER_CLK_OUT_ENB_L, CLK_RST_CONTROLLER_RST_DEVICES_L, CLK_RST_CONTROLLER_CLK_ENB_I2C1_INDEX, CLK_RST_CONTROLLER_RST_I2C1_INDEX, 0x00 /* PLLP_OUT0 */, 0x04 },
|
||||
{ CLK_RST_CONTROLLER_CLK_SOURCE_I2C2, CLK_RST_CONTROLLER_CLK_OUT_ENB_H, CLK_RST_CONTROLLER_RST_DEVICES_H, CLK_RST_CONTROLLER_CLK_ENB_I2C2_INDEX, CLK_RST_CONTROLLER_RST_I2C2_INDEX, 0x00 /* PLLP_OUT0 */, 0x04 },
|
||||
{ CLK_RST_CONTROLLER_CLK_SOURCE_I2C3, CLK_RST_CONTROLLER_CLK_OUT_ENB_U, CLK_RST_CONTROLLER_RST_DEVICES_U, CLK_RST_CONTROLLER_CLK_ENB_I2C3_INDEX, CLK_RST_CONTROLLER_RST_I2C3_INDEX, 0x00 /* PLLP_OUT0 */, 0x04 },
|
||||
{ CLK_RST_CONTROLLER_CLK_SOURCE_I2C4, CLK_RST_CONTROLLER_CLK_OUT_ENB_V, CLK_RST_CONTROLLER_RST_DEVICES_V, CLK_RST_CONTROLLER_CLK_ENB_I2C4_INDEX, CLK_RST_CONTROLLER_RST_I2C4_INDEX, 0x00 /* PLLP_OUT0 */, 0x04 },
|
||||
{ CLK_RST_CONTROLLER_CLK_SOURCE_I2C5, CLK_RST_CONTROLLER_CLK_OUT_ENB_H, CLK_RST_CONTROLLER_RST_DEVICES_H, CLK_RST_CONTROLLER_CLK_ENB_I2C5_INDEX, CLK_RST_CONTROLLER_RST_I2C5_INDEX, 0x00 /* PLLP_OUT0 */, 0x04 },
|
||||
{ CLK_RST_CONTROLLER_CLK_SOURCE_I2C6, CLK_RST_CONTROLLER_CLK_OUT_ENB_X, CLK_RST_CONTROLLER_RST_DEVICES_X, CLK_RST_CONTROLLER_CLK_ENB_I2C6_INDEX, CLK_RST_CONTROLLER_RST_I2C6_INDEX, 0x00 /* PLLP_OUT0 */, 0x04 },
|
||||
{ CLK_RST_CONTROLLER_CLK_SOURCE_PWM, CLK_RST_CONTROLLER_CLK_OUT_ENB_L, CLK_RST_CONTROLLER_RST_DEVICES_L, CLK_RST_CONTROLLER_CLK_ENB_PWM_INDEX, CLK_RST_CONTROLLER_RST_PWM_INDEX, 0x00 /* PLLP_OUT0 */, 0x10 },
|
||||
};
|
||||
|
||||
constexpr inline const struct {
|
||||
const ClkRstDefinition *definition;
|
||||
DeviceCode device_code;
|
||||
} ClkRstDefinitionMap[] = {
|
||||
{ std::addressof(Definitions[0]), i2c::DeviceCode_I2c1 },
|
||||
{ std::addressof(Definitions[1]), i2c::DeviceCode_I2c2 },
|
||||
{ std::addressof(Definitions[2]), i2c::DeviceCode_I2c3 },
|
||||
{ std::addressof(Definitions[3]), i2c::DeviceCode_I2c4 },
|
||||
{ std::addressof(Definitions[4]), i2c::DeviceCode_I2c5 },
|
||||
{ std::addressof(Definitions[5]), i2c::DeviceCode_I2c6 },
|
||||
{ std::addressof(Definitions[6]), pwm::DeviceCode_LcdBacklight },
|
||||
};
|
||||
|
||||
ALWAYS_INLINE const ClkRstDefinition *GetDefinition(DeviceCode device_code) {
|
||||
const ClkRstDefinition *def = nullptr;
|
||||
|
||||
for (const auto &entry : ClkRstDefinitionMap) {
|
||||
if (entry.device_code == device_code) {
|
||||
def = entry.definition;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
AMS_ABORT_UNLESS(def != nullptr);
|
||||
return def;
|
||||
}
|
||||
|
||||
ALWAYS_INLINE const ClkRstDefinition &GetDefinition(ClkRstSession *session) {
|
||||
const ClkRstDefinition *def = nullptr;
|
||||
|
||||
for (const auto &entry : ClkRstDefinitionMap) {
|
||||
if (session->_session == entry.definition) {
|
||||
def = entry.definition;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
AMS_ABORT_UNLESS(def != nullptr);
|
||||
return *def;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void Initialize() {
|
||||
/* ... */
|
||||
}
|
||||
|
||||
void Finalize() {
|
||||
/* ... */
|
||||
}
|
||||
|
||||
Result OpenSession(ClkRstSession *out, DeviceCode device_code) {
|
||||
/* Get the relevant definition. */
|
||||
out->_session = const_cast<ClkRstDefinition *>(GetDefinition(device_code));
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
void CloseSession(ClkRstSession *session) {
|
||||
/* Clear the session. */
|
||||
session->_session = nullptr;
|
||||
}
|
||||
|
||||
void SetResetAsserted(ClkRstSession *session) {
|
||||
/* Get the definition. */
|
||||
const auto &def = GetDefinition(session);
|
||||
|
||||
/* Assert reset. */
|
||||
reg::ReadWrite(g_clkrst_registers + def.rst_ofs, 1u << def.rst_index, 1u << def.rst_index);
|
||||
}
|
||||
|
||||
void SetResetDeasserted(ClkRstSession *session) {
|
||||
/* Get the definition. */
|
||||
const auto &def = GetDefinition(session);
|
||||
|
||||
/* Clear reset. */
|
||||
reg::ReadWrite(g_clkrst_registers + def.rst_ofs, 0, 1u << def.rst_index);
|
||||
}
|
||||
|
||||
void SetClockRate(ClkRstSession *session, u32 hz) {
|
||||
/* Get the definition. */
|
||||
const auto &def = GetDefinition(session);
|
||||
|
||||
/* Enable clock. */
|
||||
reg::ReadWrite(g_clkrst_registers + def.clk_en_ofs, 1u << def.clk_en_index, 1u << def.clk_en_index);
|
||||
|
||||
/* Set the clock divisor. */
|
||||
reg::ReadWrite(g_clkrst_registers + def.clk_src_ofs, CLK_RST_REG_BITS_VALUE(CLK_SOURCE_CLK_DIVISOR, def.clk_divisor));
|
||||
|
||||
/* Wait for 2us for clock setting to take. */
|
||||
os::SleepThread(TimeSpan::FromMicroSeconds(2));
|
||||
|
||||
/* Set the clock source. */
|
||||
reg::ReadWrite(g_clkrst_registers + def.clk_src_ofs, CLK_RST_REG_BITS_VALUE(CLK_SOURCE_CLK_SOURCE, def.clk_src));
|
||||
|
||||
/* Wait for 2us for clock setting to take. */
|
||||
os::SleepThread(TimeSpan::FromMicroSeconds(2));
|
||||
}
|
||||
|
||||
void SetClockDisabled(ClkRstSession *session) {
|
||||
AMS_ABORT("SetClockDisabled not implemented for boot system module");
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
|
||||
namespace ams::regulator {
|
||||
|
||||
void Initialize() {
|
||||
/* ... */
|
||||
}
|
||||
|
||||
void Finalize() {
|
||||
/* ... */
|
||||
}
|
||||
|
||||
Result OpenSession(RegulatorSession *out, DeviceCode device_code) {
|
||||
AMS_UNUSED(out, device_code);
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
void CloseSession(RegulatorSession *session) {
|
||||
AMS_UNUSED(session);
|
||||
}
|
||||
|
||||
bool GetVoltageEnabled(RegulatorSession *session) {
|
||||
AMS_UNUSED(session);
|
||||
return true;
|
||||
}
|
||||
|
||||
Result SetVoltageEnabled(RegulatorSession *session) {
|
||||
AMS_UNUSED(session);
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result SetVoltageValue(RegulatorSession *session, u32 micro_volts) {
|
||||
AMS_UNUSED(session, micro_volts);
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,74 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
#include "i2c/i2c_types.hpp"
|
||||
#include "i2c/driver/impl/i2c_pcv.hpp"
|
||||
#include "i2c/driver/impl/i2c_registers.hpp"
|
||||
|
||||
using namespace ams::i2c::driver::impl;
|
||||
|
||||
namespace ams::pcv {
|
||||
|
||||
void Initialize() {
|
||||
/* Don't do anything. */
|
||||
}
|
||||
|
||||
void Finalize() {
|
||||
/* Don't do anything. */
|
||||
}
|
||||
|
||||
Result SetClockRate(PcvModule module, u32 hz) {
|
||||
/* Get clock/reset registers. */
|
||||
ClkRstRegisters regs;
|
||||
regs.SetBus(ConvertFromPcvModule(module));
|
||||
/* Set clock enabled/source. */
|
||||
reg::SetBits(regs.clk_en_reg, regs.mask);
|
||||
reg::ReadWrite(regs.clk_src_reg, 0x4, 0xFF);
|
||||
svcSleepThread(1000ul);
|
||||
reg::ReadWrite(regs.clk_src_reg, 0, 0xE0000000);
|
||||
svcSleepThread(2000ul);
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result SetClockEnabled(PcvModule module, bool enabled) {
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result SetVoltageEnabled(u32 domain, bool enabled) {
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result SetVoltageValue(u32 domain, u32 voltage) {
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result SetReset(PcvModule module, bool reset) {
|
||||
/* Get clock/reset registers. */
|
||||
ClkRstRegisters regs;
|
||||
regs.SetBus(ConvertFromPcvModule(module));
|
||||
|
||||
/* Set/clear reset. */
|
||||
if (reset) {
|
||||
reg::SetBits(regs.rst_reg, regs.mask);
|
||||
} else {
|
||||
reg::ClearBits(regs.rst_reg, regs.mask);
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,175 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
#include "i2c_api.hpp"
|
||||
#include "impl/i2c_resource_manager.hpp"
|
||||
|
||||
namespace ams::i2c::driver {
|
||||
|
||||
namespace {
|
||||
|
||||
/* For convenience. */
|
||||
using CommandHandler = Result (*)(const u8 **cur_cmd, u8 **cur_dst, Session& session);
|
||||
|
||||
/* Command handlers. */
|
||||
Result SendHandler(const u8 **cur_cmd, u8 **cur_dst, Session& session) {
|
||||
I2cTransactionOption option = static_cast<I2cTransactionOption>(
|
||||
(((**cur_cmd) & (1 << 6)) ? I2cTransactionOption_Start : 0) | (((**cur_cmd) & (1 << 7)) ? I2cTransactionOption_Stop : 0)
|
||||
);
|
||||
(*cur_cmd)++;
|
||||
|
||||
size_t num_bytes = (**cur_cmd);
|
||||
(*cur_cmd)++;
|
||||
|
||||
R_TRY(Send(session, *cur_cmd, num_bytes, option));
|
||||
(*cur_cmd) += num_bytes;
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result ReceiveHandler(const u8 **cur_cmd, u8 **cur_dst, Session& session) {
|
||||
I2cTransactionOption option = static_cast<I2cTransactionOption>(
|
||||
(((**cur_cmd) & (1 << 6)) ? I2cTransactionOption_Start : 0) | (((**cur_cmd) & (1 << 7)) ? I2cTransactionOption_Stop : 0)
|
||||
);
|
||||
(*cur_cmd)++;
|
||||
|
||||
size_t num_bytes = (**cur_cmd);
|
||||
(*cur_cmd)++;
|
||||
|
||||
R_TRY(Receive(session, *cur_dst, num_bytes, option));
|
||||
(*cur_dst) += num_bytes;
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result SubCommandHandler(const u8 **cur_cmd, u8 **cur_dst, Session& session) {
|
||||
const SubCommand sub_cmd = static_cast<SubCommand>((**cur_cmd) >> 2);
|
||||
(*cur_cmd)++;
|
||||
|
||||
switch (sub_cmd) {
|
||||
case SubCommand::Sleep:
|
||||
{
|
||||
const size_t us = (**cur_cmd);
|
||||
(*cur_cmd)++;
|
||||
svcSleepThread(us * 1'000ul);
|
||||
}
|
||||
break;
|
||||
AMS_UNREACHABLE_DEFAULT_CASE();
|
||||
}
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
/* Command handler list. */
|
||||
constexpr CommandHandler g_cmd_handlers[static_cast<size_t>(Command::Count)] = {
|
||||
SendHandler,
|
||||
ReceiveHandler,
|
||||
SubCommandHandler,
|
||||
};
|
||||
|
||||
inline impl::ResourceManager &GetResourceManager() {
|
||||
return impl::ResourceManager::GetInstance();
|
||||
}
|
||||
|
||||
inline void CheckInitialized() {
|
||||
AMS_ABORT_UNLESS(GetResourceManager().IsInitialized());
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/* Initialization. */
|
||||
void Initialize() {
|
||||
GetResourceManager().Initialize();
|
||||
}
|
||||
|
||||
void Finalize() {
|
||||
GetResourceManager().Finalize();
|
||||
}
|
||||
|
||||
/* Session management. */
|
||||
void OpenSession(Session *out_session, I2cDevice device) {
|
||||
CheckInitialized();
|
||||
AMS_ABORT_UNLESS(impl::IsDeviceSupported(device));
|
||||
|
||||
const auto bus = impl::GetDeviceBus(device);
|
||||
const auto slave_address = impl::GetDeviceSlaveAddress(device);
|
||||
const auto addressing_mode = impl::GetDeviceAddressingMode(device);
|
||||
const auto speed_mode = impl::GetDeviceSpeedMode(device);
|
||||
const auto max_retries = impl::GetDeviceMaxRetries(device);
|
||||
const auto retry_wait_time = impl::GetDeviceRetryWaitTime(device);
|
||||
GetResourceManager().OpenSession(out_session, bus, slave_address, addressing_mode, speed_mode, max_retries, retry_wait_time);
|
||||
}
|
||||
|
||||
void CloseSession(Session &session) {
|
||||
CheckInitialized();
|
||||
GetResourceManager().CloseSession(session);
|
||||
}
|
||||
|
||||
/* Communication. */
|
||||
Result Send(Session &session, const void *src, size_t size, I2cTransactionOption option) {
|
||||
CheckInitialized();
|
||||
AMS_ABORT_UNLESS(src != nullptr);
|
||||
AMS_ABORT_UNLESS(size > 0);
|
||||
|
||||
std::scoped_lock<os::Mutex &> lk(GetResourceManager().GetTransactionMutex(impl::ConvertFromIndex(session.bus_idx)));
|
||||
return GetResourceManager().GetSession(session.session_id).DoTransactionWithRetry(nullptr, src, size, option, impl::Command::Send);
|
||||
}
|
||||
|
||||
Result Receive(Session &session, void *dst, size_t size, I2cTransactionOption option) {
|
||||
CheckInitialized();
|
||||
AMS_ABORT_UNLESS(dst != nullptr);
|
||||
AMS_ABORT_UNLESS(size > 0);
|
||||
|
||||
std::scoped_lock<os::Mutex &> lk(GetResourceManager().GetTransactionMutex(impl::ConvertFromIndex(session.bus_idx)));
|
||||
return GetResourceManager().GetSession(session.session_id).DoTransactionWithRetry(dst, nullptr, size, option, impl::Command::Receive);
|
||||
}
|
||||
|
||||
Result ExecuteCommandList(Session &session, void *dst, size_t size, const void *cmd_list, size_t cmd_list_size) {
|
||||
CheckInitialized();
|
||||
AMS_ABORT_UNLESS(dst != nullptr && size > 0);
|
||||
AMS_ABORT_UNLESS(cmd_list != nullptr && cmd_list_size > 0);
|
||||
|
||||
u8 *cur_dst = static_cast<u8 *>(dst);
|
||||
const u8 *cur_cmd = static_cast<const u8 *>(cmd_list);
|
||||
const u8 *cmd_list_end = cur_cmd + cmd_list_size;
|
||||
|
||||
while (cur_cmd < cmd_list_end) {
|
||||
Command cmd = static_cast<Command>((*cur_cmd) & 3);
|
||||
AMS_ABORT_UNLESS(cmd < Command::Count);
|
||||
|
||||
R_TRY(g_cmd_handlers[static_cast<size_t>(cmd)](&cur_cmd, &cur_dst, session));
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
/* Power management. */
|
||||
void SuspendBuses() {
|
||||
GetResourceManager().SuspendBuses();
|
||||
}
|
||||
|
||||
void ResumeBuses() {
|
||||
GetResourceManager().ResumeBuses();
|
||||
}
|
||||
|
||||
void SuspendPowerBus() {
|
||||
GetResourceManager().SuspendPowerBus();
|
||||
}
|
||||
|
||||
void ResumePowerBus() {
|
||||
GetResourceManager().ResumePowerBus();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,46 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include "../i2c_types.hpp"
|
||||
#include "../i2c_command_list.hpp"
|
||||
|
||||
namespace ams::i2c::driver {
|
||||
|
||||
struct Session {
|
||||
size_t bus_idx;
|
||||
size_t session_id;
|
||||
};
|
||||
|
||||
/* Initialization. */
|
||||
void Initialize();
|
||||
void Finalize();
|
||||
|
||||
/* Session management. */
|
||||
void OpenSession(Session *out_session, I2cDevice device);
|
||||
void CloseSession(Session &session);
|
||||
|
||||
/* Communication. */
|
||||
Result Send(Session &session, const void *src, size_t size, I2cTransactionOption option);
|
||||
Result Receive(Session &session, void *dst, size_t size, I2cTransactionOption option);
|
||||
Result ExecuteCommandList(Session &session, void *dst, size_t size, const void *cmd_list, size_t cmd_list_size);
|
||||
|
||||
/* Power management. */
|
||||
void SuspendBuses();
|
||||
void ResumeBuses();
|
||||
void SuspendPowerBus();
|
||||
void ResumePowerBus();
|
||||
|
||||
}
|
||||
|
|
@ -1,450 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
#include "i2c_pcv.hpp"
|
||||
#include "i2c_bus_accessor.hpp"
|
||||
|
||||
namespace ams::i2c::driver::impl {
|
||||
|
||||
void BusAccessor::Open(Bus bus, SpeedMode speed_mode) {
|
||||
std::scoped_lock lk(this->open_mutex);
|
||||
/* Open new session. */
|
||||
this->open_sessions++;
|
||||
|
||||
/* Ensure we're good if this isn't our first session. */
|
||||
if (this->open_sessions > 1) {
|
||||
AMS_ABORT_UNLESS(this->speed_mode == speed_mode);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Set all members for chosen bus. */
|
||||
{
|
||||
std::scoped_lock lk(this->register_mutex);
|
||||
/* Set bus/registers. */
|
||||
this->SetBus(bus);
|
||||
/* Set pcv module. */
|
||||
this->pcv_module = ConvertToPcvModule(bus);
|
||||
/* Set speed mode. */
|
||||
this->speed_mode = speed_mode;
|
||||
/* Setup interrupt event. */
|
||||
this->CreateInterruptEvent(bus);
|
||||
}
|
||||
}
|
||||
|
||||
void BusAccessor::Close() {
|
||||
std::scoped_lock lk(this->open_mutex);
|
||||
/* Close current session. */
|
||||
this->open_sessions--;
|
||||
if (this->open_sessions > 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* Close interrupt event. */
|
||||
os::FinalizeInterruptEvent(std::addressof(this->interrupt_event));
|
||||
|
||||
/* Close PCV. */
|
||||
pcv::Finalize();
|
||||
|
||||
this->suspended = false;
|
||||
}
|
||||
|
||||
void BusAccessor::Suspend() {
|
||||
std::scoped_lock lk(this->open_mutex);
|
||||
std::scoped_lock lk_reg(this->register_mutex);
|
||||
|
||||
if (!this->suspended) {
|
||||
this->suspended = true;
|
||||
|
||||
if (this->pcv_module != PcvModule_I2C5) {
|
||||
this->DisableClock();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void BusAccessor::Resume() {
|
||||
if (this->suspended) {
|
||||
this->DoInitialConfig();
|
||||
this->suspended = false;
|
||||
}
|
||||
}
|
||||
|
||||
void BusAccessor::DoInitialConfig() {
|
||||
std::scoped_lock lk(this->register_mutex);
|
||||
|
||||
if (this->pcv_module != PcvModule_I2C5) {
|
||||
pcv::Initialize();
|
||||
}
|
||||
|
||||
this->ResetController();
|
||||
this->SetClock(this->speed_mode);
|
||||
this->SetPacketMode();
|
||||
this->FlushFifos();
|
||||
}
|
||||
|
||||
size_t BusAccessor::GetOpenSessions() const {
|
||||
return this->open_sessions;
|
||||
}
|
||||
|
||||
bool BusAccessor::GetBusy() const {
|
||||
/* Nintendo has a loop here that calls a member function to check if busy, retrying a few times. */
|
||||
/* This member function does "return false". */
|
||||
/* We will not bother with the loop. */
|
||||
return false;
|
||||
}
|
||||
|
||||
void BusAccessor::OnStartTransaction() const {
|
||||
/* Nothing actually happens here. */
|
||||
}
|
||||
|
||||
void BusAccessor::OnStopTransaction() const {
|
||||
/* Nothing actually happens here. */
|
||||
}
|
||||
|
||||
Result BusAccessor::StartTransaction(Command command, AddressingMode addressing_mode, u32 slave_address) {
|
||||
/* Nothing actually happens here... */
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result BusAccessor::Send(const u8 *data, size_t num_bytes, I2cTransactionOption option, AddressingMode addressing_mode, u32 slave_address) {
|
||||
std::scoped_lock lk(this->register_mutex);
|
||||
const u8 *cur_src = data;
|
||||
size_t remaining = num_bytes;
|
||||
|
||||
/* Set interrupt enable, clear interrupt status. */
|
||||
reg::Write(&this->i2c_registers->I2C_INTERRUPT_MASK_REGISTER_0, 0x8E);
|
||||
reg::Write(&this->i2c_registers->I2C_INTERRUPT_STATUS_REGISTER_0, 0xFC);
|
||||
|
||||
ON_SCOPE_EXIT { this->ClearInterruptMask(); };
|
||||
|
||||
/* Send header. */
|
||||
this->WriteTransferHeader(TransferMode::Send, option, addressing_mode, slave_address, num_bytes);
|
||||
|
||||
/* Send bytes. */
|
||||
while (true) {
|
||||
const u32 fifo_status = reg::Read(&this->i2c_registers->I2C_FIFO_STATUS_0);
|
||||
const size_t fifo_cnt = (fifo_status >> 4);
|
||||
|
||||
for (size_t fifo_idx = 0; remaining > 0 && fifo_idx < fifo_cnt; fifo_idx++) {
|
||||
const size_t cur_bytes = std::min(remaining, sizeof(u32));
|
||||
u32 val = 0;
|
||||
for (size_t i = 0; i < cur_bytes; i++) {
|
||||
val |= cur_src[i] << (8 * i);
|
||||
}
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_TX_PACKET_FIFO_0, val);
|
||||
|
||||
cur_src += cur_bytes;
|
||||
remaining -= cur_bytes;
|
||||
}
|
||||
|
||||
if (remaining == 0) {
|
||||
break;
|
||||
}
|
||||
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event));
|
||||
if (!os::TimedWaitInterruptEvent(std::addressof(this->interrupt_event), InterruptTimeout)) {
|
||||
this->HandleTransactionResult(i2c::ResultBusBusy());
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event));
|
||||
return i2c::ResultTimedOut();
|
||||
}
|
||||
|
||||
R_TRY(this->GetAndHandleTransactionResult());
|
||||
}
|
||||
|
||||
reg::Write(&this->i2c_registers->I2C_INTERRUPT_MASK_REGISTER_0, 0x8C);
|
||||
|
||||
/* Wait for successful completion. */
|
||||
while (true) {
|
||||
R_TRY(this->GetAndHandleTransactionResult());
|
||||
|
||||
/* Check PACKET_XFER_COMPLETE */
|
||||
const u32 interrupt_status = reg::Read(&this->i2c_registers->I2C_INTERRUPT_STATUS_REGISTER_0);
|
||||
if (interrupt_status & 0x80) {
|
||||
R_TRY(this->GetAndHandleTransactionResult());
|
||||
break;
|
||||
}
|
||||
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event));
|
||||
if (!os::TimedWaitInterruptEvent(std::addressof(this->interrupt_event), InterruptTimeout)) {
|
||||
this->HandleTransactionResult(i2c::ResultBusBusy());
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event));
|
||||
return i2c::ResultTimedOut();
|
||||
}
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result BusAccessor::Receive(u8 *out_data, size_t num_bytes, I2cTransactionOption option, AddressingMode addressing_mode, u32 slave_address) {
|
||||
std::scoped_lock lk(this->register_mutex);
|
||||
u8 *cur_dst = out_data;
|
||||
size_t remaining = num_bytes;
|
||||
|
||||
/* Set interrupt enable, clear interrupt status. */
|
||||
reg::Write(&this->i2c_registers->I2C_INTERRUPT_MASK_REGISTER_0, 0x8D);
|
||||
reg::Write(&this->i2c_registers->I2C_INTERRUPT_STATUS_REGISTER_0, 0xFC);
|
||||
|
||||
/* Send header. */
|
||||
this->WriteTransferHeader(TransferMode::Receive, option, addressing_mode, slave_address, num_bytes);
|
||||
|
||||
/* Receive bytes. */
|
||||
while (remaining > 0) {
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event));
|
||||
if (!os::TimedWaitInterruptEvent(std::addressof(this->interrupt_event), InterruptTimeout)) {
|
||||
this->HandleTransactionResult(i2c::ResultBusBusy());
|
||||
this->ClearInterruptMask();
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event));
|
||||
return i2c::ResultTimedOut();
|
||||
}
|
||||
|
||||
R_TRY(this->GetAndHandleTransactionResult());
|
||||
|
||||
const u32 fifo_status = reg::Read(&this->i2c_registers->I2C_FIFO_STATUS_0);
|
||||
const size_t fifo_cnt = std::min((remaining + 3) >> 2, static_cast<size_t>(fifo_status & 0xF));
|
||||
|
||||
for (size_t fifo_idx = 0; remaining > 0 && fifo_idx < fifo_cnt; fifo_idx++) {
|
||||
const u32 val = reg::Read(&this->i2c_registers->I2C_I2C_RX_FIFO_0);
|
||||
const size_t cur_bytes = std::min(remaining, sizeof(u32));
|
||||
for (size_t i = 0; i < cur_bytes; i++) {
|
||||
cur_dst[i] = static_cast<u8>((val >> (8 * i)) & 0xFF);
|
||||
}
|
||||
|
||||
cur_dst += cur_bytes;
|
||||
remaining -= cur_bytes;
|
||||
}
|
||||
}
|
||||
|
||||
/* N doesn't do ClearInterruptMask. */
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
void BusAccessor::SetBus(Bus bus) {
|
||||
this->bus = bus;
|
||||
this->i2c_registers = GetRegisters(bus);
|
||||
this->clkrst_registers.SetBus(bus);
|
||||
}
|
||||
|
||||
void BusAccessor::CreateInterruptEvent(Bus bus) {
|
||||
static constexpr u64 s_interrupts[] = {
|
||||
0x46, 0x74, 0x7C, 0x98, 0x55, 0x5F
|
||||
};
|
||||
const auto index = ConvertToIndex(bus);
|
||||
AMS_ABORT_UNLESS(index < util::size(s_interrupts));
|
||||
os::InitializeInterruptEvent(std::addressof(this->interrupt_event), s_interrupts[index], os::EventClearMode_ManualClear);
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event));
|
||||
}
|
||||
|
||||
void BusAccessor::SetClock(SpeedMode speed_mode) {
|
||||
u32 t_high, t_low;
|
||||
u32 clk_div, src_div;
|
||||
u32 debounce;
|
||||
|
||||
switch (speed_mode) {
|
||||
case SpeedMode::Normal:
|
||||
t_high = 2;
|
||||
t_low = 4;
|
||||
clk_div = 0x19;
|
||||
src_div = 0x13;
|
||||
debounce = 2;
|
||||
break;
|
||||
case SpeedMode::Fast:
|
||||
t_high = 2;
|
||||
t_low = 4;
|
||||
clk_div = 0x19;
|
||||
src_div = 0x04;
|
||||
debounce = 2;
|
||||
break;
|
||||
case SpeedMode::FastPlus:
|
||||
t_high = 2;
|
||||
t_low = 4;
|
||||
clk_div = 0x10;
|
||||
src_div = 0x02;
|
||||
debounce = 0;
|
||||
break;
|
||||
case SpeedMode::HighSpeed:
|
||||
t_high = 3;
|
||||
t_low = 8;
|
||||
clk_div = 0x02;
|
||||
src_div = 0x02;
|
||||
debounce = 0;
|
||||
break;
|
||||
AMS_UNREACHABLE_DEFAULT_CASE();
|
||||
}
|
||||
|
||||
if (speed_mode == SpeedMode::HighSpeed) {
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_HS_INTERFACE_TIMING_0_0, (t_high << 8) | (t_low));
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_CLK_DIVISOR_REGISTER_0, clk_div);
|
||||
} else {
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_INTERFACE_TIMING_0_0, (t_high << 8) | (t_low));
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_CLK_DIVISOR_REGISTER_0, (clk_div << 16));
|
||||
}
|
||||
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_CNFG_0, debounce);
|
||||
reg::Read(&this->i2c_registers->I2C_I2C_CNFG_0);
|
||||
|
||||
if (this->pcv_module != PcvModule_I2C5) {
|
||||
R_ABORT_UNLESS(pcv::SetReset(this->pcv_module, true));
|
||||
R_ABORT_UNLESS(pcv::SetClockRate(this->pcv_module, (408'000'000) / (src_div + 1)));
|
||||
R_ABORT_UNLESS(pcv::SetReset(this->pcv_module, false));
|
||||
}
|
||||
}
|
||||
|
||||
void BusAccessor::ResetController() const {
|
||||
if (this->pcv_module != PcvModule_I2C5) {
|
||||
R_ABORT_UNLESS(pcv::SetReset(this->pcv_module, true));
|
||||
R_ABORT_UNLESS(pcv::SetClockRate(this->pcv_module, 81'600'000));
|
||||
R_ABORT_UNLESS(pcv::SetReset(this->pcv_module, false));
|
||||
}
|
||||
}
|
||||
|
||||
void BusAccessor::ClearBus() const {
|
||||
bool success = false;
|
||||
for (size_t i = 0; i < 3 && !success; i++) {
|
||||
success = true;
|
||||
|
||||
this->ResetController();
|
||||
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_BUS_CLEAR_CONFIG_0, 0x90000);
|
||||
reg::SetBits(&this->i2c_registers->I2C_I2C_BUS_CLEAR_CONFIG_0, 0x4);
|
||||
reg::SetBits(&this->i2c_registers->I2C_I2C_BUS_CLEAR_CONFIG_0, 0x2);
|
||||
|
||||
reg::SetBits(&this->i2c_registers->I2C_I2C_CONFIG_LOAD_0, 0x1);
|
||||
{
|
||||
u64 start_tick = armGetSystemTick();
|
||||
while (reg::Read(&this->i2c_registers->I2C_I2C_CONFIG_LOAD_0) & 1) {
|
||||
if (armTicksToNs(armGetSystemTick() - start_tick) > 1'000'000) {
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!success) {
|
||||
continue;
|
||||
}
|
||||
|
||||
reg::SetBits(&this->i2c_registers->I2C_I2C_BUS_CLEAR_CONFIG_0, 0x1);
|
||||
{
|
||||
u64 start_tick = armGetSystemTick();
|
||||
while (reg::Read(&this->i2c_registers->I2C_I2C_BUS_CLEAR_CONFIG_0) & 1) {
|
||||
if (armTicksToNs(armGetSystemTick() - start_tick) > 1'000'000) {
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!success) {
|
||||
continue;
|
||||
}
|
||||
|
||||
{
|
||||
u64 start_tick = armGetSystemTick();
|
||||
while (reg::Read(&this->i2c_registers->I2C_I2C_BUS_CLEAR_STATUS_0) & 1) {
|
||||
if (armTicksToNs(armGetSystemTick() - start_tick) > 1'000'000) {
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!success) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void BusAccessor::DisableClock() {
|
||||
R_ABORT_UNLESS(pcv::SetClockEnabled(this->pcv_module, false));
|
||||
}
|
||||
|
||||
void BusAccessor::SetPacketMode() {
|
||||
/* Set PACKET_MODE_EN, MSTR_CONFIG_LOAD */
|
||||
reg::SetBits(&this->i2c_registers->I2C_I2C_CNFG_0, 0x400);
|
||||
reg::SetBits(&this->i2c_registers->I2C_I2C_CONFIG_LOAD_0, 0x1);
|
||||
|
||||
/* Set TX_FIFO_TRIGGER, RX_FIFO_TRIGGER */
|
||||
reg::Write(&this->i2c_registers->I2C_FIFO_CONTROL_0, 0xFC);
|
||||
}
|
||||
|
||||
Result BusAccessor::FlushFifos() {
|
||||
reg::Write(&this->i2c_registers->I2C_FIFO_CONTROL_0, 0xFF);
|
||||
|
||||
/* Wait for flush to finish, check every ms for 5 ms. */
|
||||
for (size_t i = 0; i < 5; i++) {
|
||||
const bool flush_done = (reg::Read(&this->i2c_registers->I2C_FIFO_CONTROL_0) & 3) == 0;
|
||||
R_SUCCEED_IF(flush_done);
|
||||
svcSleepThread(1'000'000ul);
|
||||
}
|
||||
|
||||
return i2c::ResultBusBusy();
|
||||
}
|
||||
|
||||
Result BusAccessor::GetTransactionResult() const {
|
||||
const u32 packet_status = reg::Read(&this->i2c_registers->I2C_PACKET_TRANSFER_STATUS_0);
|
||||
const u32 interrupt_status = reg::Read(&this->i2c_registers->I2C_INTERRUPT_STATUS_REGISTER_0);
|
||||
|
||||
/* Check for no ack. */
|
||||
R_UNLESS(!(packet_status & 0xC), i2c::ResultNoAck());
|
||||
R_UNLESS(!(interrupt_status & 0x8), i2c::ResultNoAck());
|
||||
|
||||
/* Check for arb lost. */
|
||||
{
|
||||
auto bus_guard = SCOPE_GUARD { this->ClearBus(); };
|
||||
R_UNLESS(!(packet_status & 0x2), i2c::ResultBusBusy());
|
||||
R_UNLESS(!(interrupt_status & 0x4), i2c::ResultBusBusy());
|
||||
bus_guard.Cancel();
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
void BusAccessor::HandleTransactionResult(Result result) {
|
||||
R_TRY_CATCH(result) {
|
||||
R_CATCH(i2c::ResultNoAck, i2c::ResultBusBusy) {
|
||||
this->ResetController();
|
||||
this->SetClock(this->speed_mode);
|
||||
this->SetPacketMode();
|
||||
this->FlushFifos();
|
||||
}
|
||||
} R_END_TRY_CATCH_WITH_ABORT_UNLESS;
|
||||
}
|
||||
|
||||
Result BusAccessor::GetAndHandleTransactionResult() {
|
||||
const auto transaction_result = this->GetTransactionResult();
|
||||
R_SUCCEED_IF(R_SUCCEEDED(transaction_result));
|
||||
|
||||
this->HandleTransactionResult(transaction_result);
|
||||
this->ClearInterruptMask();
|
||||
os::ClearInterruptEvent(std::addressof(this->interrupt_event));
|
||||
return transaction_result;
|
||||
}
|
||||
|
||||
void BusAccessor::WriteTransferHeader(TransferMode transfer_mode, I2cTransactionOption option, AddressingMode addressing_mode, u32 slave_address, size_t num_bytes) {
|
||||
this->FlushFifos();
|
||||
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_TX_PACKET_FIFO_0, 0x10);
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_TX_PACKET_FIFO_0, static_cast<u32>(num_bytes - 1) & 0xFFF);
|
||||
|
||||
const u32 slave_addr_val = ((transfer_mode == TransferMode::Receive) & 1) | ((slave_address & 0x7F) << 1);
|
||||
u32 hdr_val = 0;
|
||||
hdr_val |= ((this->speed_mode == SpeedMode::HighSpeed) & 1) << 22;
|
||||
hdr_val |= ((transfer_mode == TransferMode::Receive) & 1) << 19;
|
||||
hdr_val |= ((addressing_mode != AddressingMode::SevenBit) & 1) << 18;
|
||||
hdr_val |= (1 << 17);
|
||||
hdr_val |= (((option & I2cTransactionOption_Stop) == 0) & 1) << 16;
|
||||
hdr_val |= slave_addr_val;
|
||||
|
||||
reg::Write(&this->i2c_registers->I2C_I2C_TX_PACKET_FIFO_0, hdr_val);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,81 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include "i2c_driver_types.hpp"
|
||||
#include "i2c_registers.hpp"
|
||||
|
||||
namespace ams::i2c::driver::impl {
|
||||
|
||||
class BusAccessor {
|
||||
private:
|
||||
enum class TransferMode {
|
||||
Send = 0,
|
||||
Receive = 1,
|
||||
};
|
||||
static constexpr TimeSpan InterruptTimeout = TimeSpan::FromMilliSeconds(100);
|
||||
private:
|
||||
os::InterruptEventType interrupt_event;
|
||||
os::Mutex open_mutex;
|
||||
os::Mutex register_mutex;
|
||||
Registers *i2c_registers = nullptr;
|
||||
ClkRstRegisters clkrst_registers;
|
||||
SpeedMode speed_mode = SpeedMode::Fast;
|
||||
size_t open_sessions = 0;
|
||||
Bus bus = Bus::I2C1;
|
||||
PcvModule pcv_module = PcvModule_I2C1;
|
||||
bool suspended = false;
|
||||
public:
|
||||
BusAccessor() : open_mutex(false), register_mutex(false) { /* ... */ }
|
||||
private:
|
||||
inline void ClearInterruptMask() const {
|
||||
reg::Write(&i2c_registers->I2C_INTERRUPT_MASK_REGISTER_0, 0);
|
||||
reg::Read(&i2c_registers->I2C_INTERRUPT_MASK_REGISTER_0);
|
||||
}
|
||||
|
||||
void SetBus(Bus bus);
|
||||
void CreateInterruptEvent(Bus bus);
|
||||
void SetClock(SpeedMode speed_mode);
|
||||
|
||||
void ResetController() const;
|
||||
void ClearBus() const;
|
||||
void DisableClock();
|
||||
void SetPacketMode();
|
||||
Result FlushFifos();
|
||||
|
||||
Result GetTransactionResult() const;
|
||||
void HandleTransactionResult(Result result);
|
||||
Result GetAndHandleTransactionResult();
|
||||
|
||||
void WriteTransferHeader(TransferMode transfer_mode, I2cTransactionOption option, AddressingMode addressing_mode, u32 slave_address, size_t num_bytes);
|
||||
public:
|
||||
void Open(Bus bus, SpeedMode speed_mode);
|
||||
void Close();
|
||||
void Suspend();
|
||||
void Resume();
|
||||
void DoInitialConfig();
|
||||
|
||||
size_t GetOpenSessions() const;
|
||||
bool GetBusy() const;
|
||||
|
||||
void OnStartTransaction() const;
|
||||
Result StartTransaction(Command command, AddressingMode addressing_mode, u32 slave_address);
|
||||
Result Send(const u8 *data, size_t num_bytes, I2cTransactionOption option, AddressingMode addressing_mode, u32 slave_address);
|
||||
Result Receive(u8 *out_data, size_t num_bytes, I2cTransactionOption option, AddressingMode addressing_mode, u32 slave_address);
|
||||
void OnStopTransaction() const;
|
||||
};
|
||||
|
||||
|
||||
}
|
||||
|
|
@ -1,122 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
#include "i2c_driver_types.hpp"
|
||||
|
||||
namespace ams::i2c::driver::impl {
|
||||
|
||||
namespace {
|
||||
|
||||
struct DeviceConfig {
|
||||
I2cDevice device;
|
||||
Bus bus;
|
||||
u32 slave_address;
|
||||
AddressingMode addressing_mode;
|
||||
SpeedMode speed_mode;
|
||||
u32 max_retries;
|
||||
u64 retry_wait_time;
|
||||
};
|
||||
|
||||
constexpr DeviceConfig g_device_configs[I2cDevice_Count] = {
|
||||
{I2cDevice_DebugPad, Bus::I2C1, 0x52, AddressingMode::SevenBit, SpeedMode::Normal, 0, 0},
|
||||
{I2cDevice_TouchPanel, Bus::I2C3, 0x49, AddressingMode::SevenBit, SpeedMode::Fast, 0, 0},
|
||||
{I2cDevice_Tmp451, Bus::I2C1, 0x4c, AddressingMode::SevenBit, SpeedMode::Normal, 0, 0},
|
||||
{I2cDevice_Nct72, Bus::I2C1, 0x4c, AddressingMode::SevenBit, SpeedMode::Normal, 0, 0},
|
||||
{I2cDevice_Alc5639, Bus::I2C1, 0x1c, AddressingMode::SevenBit, SpeedMode::Normal, 0, 0},
|
||||
{I2cDevice_Max77620Rtc, Bus::I2C5, 0x68, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Max77620Pmic, Bus::I2C5, 0x3c, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Max77621Cpu, Bus::I2C5, 0x1b, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Max77621Gpu, Bus::I2C5, 0x1c, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Bq24193, Bus::I2C1, 0x6b, AddressingMode::SevenBit, SpeedMode::Normal, 3, 5'000'000},
|
||||
{I2cDevice_Max17050, Bus::I2C1, 0x36, AddressingMode::SevenBit, SpeedMode::Normal, 3, 5'000'000},
|
||||
{I2cDevice_Bm92t30mwv, Bus::I2C1, 0x18, AddressingMode::SevenBit, SpeedMode::Normal, 3, 5'000'000},
|
||||
{I2cDevice_Ina226Vdd15v0Hb, Bus::I2C2, 0x40, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226VsysCpuDs, Bus::I2C2, 0x41, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226VsysGpuDs, Bus::I2C2, 0x44, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226VsysDdrDs, Bus::I2C2, 0x45, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226VsysAp, Bus::I2C2, 0x46, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226VsysBlDs, Bus::I2C2, 0x47, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Bh1730, Bus::I2C2, 0x29, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226VsysCore, Bus::I2C2, 0x48, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226Soc1V8, Bus::I2C2, 0x49, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226Lpddr1V8, Bus::I2C2, 0x4a, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226Reg1V32, Bus::I2C2, 0x4b, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_Ina226Vdd3V3Sys, Bus::I2C2, 0x4d, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
{I2cDevice_HdmiDdc, Bus::I2C4, 0x50, AddressingMode::SevenBit, SpeedMode::Normal, 0, 0},
|
||||
{I2cDevice_HdmiScdc, Bus::I2C4, 0x54, AddressingMode::SevenBit, SpeedMode::Normal, 0, 0},
|
||||
{I2cDevice_HdmiHdcp, Bus::I2C4, 0x3a, AddressingMode::SevenBit, SpeedMode::Normal, 0, 0},
|
||||
{I2cDevice_Fan53528, Bus::I2C5, 0xa4, AddressingMode::SevenBit, SpeedMode::Fast, 0, 0},
|
||||
{I2cDevice_Max77812_3, Bus::I2C5, 0x31, AddressingMode::SevenBit, SpeedMode::Fast, 0, 0},
|
||||
{I2cDevice_Max77812_2, Bus::I2C5, 0x33, AddressingMode::SevenBit, SpeedMode::Fast, 0, 0},
|
||||
{I2cDevice_Ina226VddDdr0V6, Bus::I2C2, 0x4e, AddressingMode::SevenBit, SpeedMode::Fast, 3, 5'000'000},
|
||||
};
|
||||
|
||||
constexpr size_t NumDeviceConfigs = util::size(g_device_configs);
|
||||
|
||||
constexpr size_t DeviceInvalidIndex = static_cast<size_t>(-1);
|
||||
|
||||
size_t GetDeviceIndex(I2cDevice dev) {
|
||||
for (size_t i = 0; i < NumDeviceConfigs; i++) {
|
||||
if (g_device_configs[i].device == dev) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
return DeviceInvalidIndex;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
bool IsDeviceSupported(I2cDevice dev) {
|
||||
return GetDeviceIndex(dev) != DeviceInvalidIndex;
|
||||
}
|
||||
|
||||
Bus GetDeviceBus(I2cDevice dev) {
|
||||
const size_t dev_idx = GetDeviceIndex(dev);
|
||||
AMS_ABORT_UNLESS(dev_idx != DeviceInvalidIndex);
|
||||
return g_device_configs[dev_idx].bus;
|
||||
}
|
||||
|
||||
u32 GetDeviceSlaveAddress(I2cDevice dev) {
|
||||
const size_t dev_idx = GetDeviceIndex(dev);
|
||||
AMS_ABORT_UNLESS(dev_idx != DeviceInvalidIndex);
|
||||
return g_device_configs[dev_idx].slave_address;
|
||||
}
|
||||
|
||||
AddressingMode GetDeviceAddressingMode(I2cDevice dev) {
|
||||
const size_t dev_idx = GetDeviceIndex(dev);
|
||||
AMS_ABORT_UNLESS(dev_idx != DeviceInvalidIndex);
|
||||
return g_device_configs[dev_idx].addressing_mode;
|
||||
}
|
||||
|
||||
SpeedMode GetDeviceSpeedMode(I2cDevice dev) {
|
||||
const size_t dev_idx = GetDeviceIndex(dev);
|
||||
AMS_ABORT_UNLESS(dev_idx != DeviceInvalidIndex);
|
||||
return g_device_configs[dev_idx].speed_mode;
|
||||
}
|
||||
|
||||
u32 GetDeviceMaxRetries(I2cDevice dev) {
|
||||
const size_t dev_idx = GetDeviceIndex(dev);
|
||||
AMS_ABORT_UNLESS(dev_idx != DeviceInvalidIndex);
|
||||
return g_device_configs[dev_idx].max_retries;
|
||||
}
|
||||
|
||||
u64 GetDeviceRetryWaitTime(I2cDevice dev) {
|
||||
const size_t dev_idx = GetDeviceIndex(dev);
|
||||
AMS_ABORT_UNLESS(dev_idx != DeviceInvalidIndex);
|
||||
return g_device_configs[dev_idx].retry_wait_time;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,91 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include "../../i2c_types.hpp"
|
||||
|
||||
namespace ams::i2c::driver::impl {
|
||||
|
||||
enum class Command {
|
||||
Send = 0,
|
||||
Receive = 1,
|
||||
};
|
||||
|
||||
enum class Bus {
|
||||
I2C1 = 0,
|
||||
I2C2 = 1,
|
||||
I2C3 = 2,
|
||||
I2C4 = 3,
|
||||
I2C5 = 4,
|
||||
I2C6 = 5,
|
||||
Count,
|
||||
};
|
||||
|
||||
/* Bus helpers. */
|
||||
constexpr inline size_t ConvertToIndex(Bus bus) {
|
||||
return static_cast<size_t>(bus);
|
||||
}
|
||||
|
||||
constexpr inline Bus ConvertFromIndex(size_t idx) {
|
||||
AMS_ABORT_UNLESS(idx < static_cast<size_t>(Bus::Count));
|
||||
return static_cast<Bus>(idx);
|
||||
}
|
||||
|
||||
constexpr inline PcvModule ConvertToPcvModule(Bus bus) {
|
||||
switch (bus) {
|
||||
case Bus::I2C1:
|
||||
return PcvModule_I2C1;
|
||||
case Bus::I2C2:
|
||||
return PcvModule_I2C2;
|
||||
case Bus::I2C3:
|
||||
return PcvModule_I2C3;
|
||||
case Bus::I2C4:
|
||||
return PcvModule_I2C4;
|
||||
case Bus::I2C5:
|
||||
return PcvModule_I2C5;
|
||||
case Bus::I2C6:
|
||||
return PcvModule_I2C6;
|
||||
AMS_UNREACHABLE_DEFAULT_CASE();
|
||||
}
|
||||
}
|
||||
|
||||
constexpr inline Bus ConvertFromPcvModule(PcvModule module) {
|
||||
switch (module) {
|
||||
case PcvModule_I2C1:
|
||||
return Bus::I2C1;
|
||||
case PcvModule_I2C2:
|
||||
return Bus::I2C2;
|
||||
case PcvModule_I2C3:
|
||||
return Bus::I2C3;
|
||||
case PcvModule_I2C4:
|
||||
return Bus::I2C4;
|
||||
case PcvModule_I2C5:
|
||||
return Bus::I2C5;
|
||||
case PcvModule_I2C6:
|
||||
return Bus::I2C6;
|
||||
AMS_UNREACHABLE_DEFAULT_CASE();
|
||||
}
|
||||
}
|
||||
|
||||
/* Global type functions. */
|
||||
bool IsDeviceSupported(I2cDevice dev);
|
||||
Bus GetDeviceBus(I2cDevice dev);
|
||||
u32 GetDeviceSlaveAddress(I2cDevice dev);
|
||||
AddressingMode GetDeviceAddressingMode(I2cDevice dev);
|
||||
SpeedMode GetDeviceSpeedMode(I2cDevice dev);
|
||||
u32 GetDeviceMaxRetries(I2cDevice dev);
|
||||
u64 GetDeviceRetryWaitTime(I2cDevice dev);
|
||||
|
||||
}
|
||||
|
|
@ -1,104 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include "i2c_driver_types.hpp"
|
||||
|
||||
namespace ams::i2c::driver::impl {
|
||||
|
||||
struct Registers {
|
||||
volatile u32 I2C_I2C_CNFG_0;
|
||||
volatile u32 I2C_I2C_CMD_ADDR0_0;
|
||||
volatile u32 I2C_I2C_CMD_ADDR1_0;
|
||||
volatile u32 I2C_I2C_CMD_DATA1_0;
|
||||
volatile u32 I2C_I2C_CMD_DATA2_0;
|
||||
volatile u32 _0x14;
|
||||
volatile u32 _0x18;
|
||||
volatile u32 I2C_I2C_STATUS_0;
|
||||
volatile u32 I2C_I2C_SL_CNFG_0;
|
||||
volatile u32 I2C_I2C_SL_RCVD_0;
|
||||
volatile u32 I2C_I2C_SL_STATUS_0;
|
||||
volatile u32 I2C_I2C_SL_ADDR1_0;
|
||||
volatile u32 I2C_I2C_SL_ADDR2_0;
|
||||
volatile u32 I2C_I2C_TLOW_SEXT_0;
|
||||
volatile u32 _0x38;
|
||||
volatile u32 I2C_I2C_SL_DELAY_COUNT_0;
|
||||
volatile u32 I2C_I2C_SL_INT_MASK_0;
|
||||
volatile u32 I2C_I2C_SL_INT_SOURCE_0;
|
||||
volatile u32 I2C_I2C_SL_INT_SET_0;
|
||||
volatile u32 _0x4C;
|
||||
volatile u32 I2C_I2C_TX_PACKET_FIFO_0;
|
||||
volatile u32 I2C_I2C_RX_FIFO_0;
|
||||
volatile u32 I2C_PACKET_TRANSFER_STATUS_0;
|
||||
volatile u32 I2C_FIFO_CONTROL_0;
|
||||
volatile u32 I2C_FIFO_STATUS_0;
|
||||
volatile u32 I2C_INTERRUPT_MASK_REGISTER_0;
|
||||
volatile u32 I2C_INTERRUPT_STATUS_REGISTER_0;
|
||||
volatile u32 I2C_I2C_CLK_DIVISOR_REGISTER_0;
|
||||
volatile u32 I2C_I2C_INTERRUPT_SOURCE_REGISTER_0;
|
||||
volatile u32 I2C_I2C_INTERRUPT_SET_REGISTER_0;
|
||||
volatile u32 I2C_I2C_SLV_TX_PACKET_FIFO_0;
|
||||
volatile u32 I2C_I2C_SLV_RX_FIFO_0;
|
||||
volatile u32 I2C_I2C_SLV_PACKET_STATUS_0;
|
||||
volatile u32 I2C_I2C_BUS_CLEAR_CONFIG_0;
|
||||
volatile u32 I2C_I2C_BUS_CLEAR_STATUS_0;
|
||||
volatile u32 I2C_I2C_CONFIG_LOAD_0;
|
||||
volatile u32 _0x90;
|
||||
volatile u32 I2C_I2C_INTERFACE_TIMING_0_0;
|
||||
volatile u32 I2C_I2C_INTERFACE_TIMING_1_0;
|
||||
volatile u32 I2C_I2C_HS_INTERFACE_TIMING_0_0;
|
||||
volatile u32 I2C_I2C_HS_INTERFACE_TIMING_1_0;
|
||||
};
|
||||
|
||||
struct ClkRstRegisters {
|
||||
public:
|
||||
uintptr_t clk_src_reg;
|
||||
uintptr_t clk_en_reg;
|
||||
uintptr_t rst_reg;
|
||||
u32 mask;
|
||||
public:
|
||||
void SetBus(Bus bus) {
|
||||
static constexpr uintptr_t s_clk_src_offsets[ConvertToIndex(Bus::Count)] = {
|
||||
0x124, 0x198, 0x1b8, 0x3c4, 0x128, 0x65c
|
||||
};
|
||||
static constexpr uintptr_t s_clk_en_offsets[ConvertToIndex(Bus::Count)] = {
|
||||
0x010, 0x014, 0x018, 0x360, 0x014, 0x280
|
||||
};
|
||||
static constexpr uintptr_t s_rst_offsets[ConvertToIndex(Bus::Count)] = {
|
||||
0x004, 0x008, 0x00c, 0x358, 0x008, 0x28c
|
||||
};
|
||||
static constexpr size_t s_bit_shifts[ConvertToIndex(Bus::Count)] = {
|
||||
12, 22, 3, 7, 15, 6
|
||||
};
|
||||
|
||||
const uintptr_t registers = dd::GetIoMapping(0x60006000ul, os::MemoryPageSize);
|
||||
const size_t idx = ConvertToIndex(bus);
|
||||
this->clk_src_reg = registers + s_clk_src_offsets[idx];
|
||||
this->clk_en_reg = registers + s_clk_en_offsets[idx];
|
||||
this->rst_reg = registers + s_rst_offsets[idx];
|
||||
this->mask = (1u << s_bit_shifts[idx]);
|
||||
}
|
||||
};
|
||||
|
||||
inline Registers *GetRegisters(Bus bus) {
|
||||
static constexpr uintptr_t s_offsets[ConvertToIndex(Bus::Count)] = {
|
||||
0x0000, 0x0400, 0x0500, 0x0700, 0x1000, 0x1100
|
||||
};
|
||||
|
||||
const uintptr_t registers = dd::GetIoMapping(0x7000c000ul, 2 * os::MemoryPageSize) + s_offsets[ConvertToIndex(bus)];
|
||||
return reinterpret_cast<Registers *>(registers);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,175 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
#include "i2c_pcv.hpp"
|
||||
#include "i2c_resource_manager.hpp"
|
||||
|
||||
namespace ams::i2c::driver::impl {
|
||||
|
||||
void ResourceManager::Initialize() {
|
||||
std::scoped_lock lk(this->initialize_mutex);
|
||||
this->ref_cnt++;
|
||||
}
|
||||
|
||||
void ResourceManager::Finalize() {
|
||||
std::scoped_lock lk(this->initialize_mutex);
|
||||
AMS_ABORT_UNLESS(this->ref_cnt > 0);
|
||||
this->ref_cnt--;
|
||||
if (this->ref_cnt > 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
{
|
||||
std::scoped_lock sess_lk(this->session_open_mutex);
|
||||
for (size_t i = 0; i < MaxDriverSessions; i++) {
|
||||
this->sessions[i].Close();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
size_t ResourceManager::GetFreeSessionId() const {
|
||||
for (size_t i = 0; i < MaxDriverSessions; i++) {
|
||||
if (!this->sessions[i].IsOpen()) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
|
||||
return InvalidSessionId;
|
||||
}
|
||||
|
||||
void ResourceManager::OpenSession(driver::Session *out_session, Bus bus, u32 slave_address, AddressingMode addressing_mode, SpeedMode speed_mode, u32 max_retries, u64 retry_wait_time) {
|
||||
bool need_enable_ldo6 = false;
|
||||
size_t session_id = InvalidSessionId;
|
||||
/* Get, open session. */
|
||||
{
|
||||
std::scoped_lock lk(this->session_open_mutex);
|
||||
AMS_ABORT_UNLESS(out_session != nullptr);
|
||||
AMS_ABORT_UNLESS(bus < Bus::Count);
|
||||
|
||||
session_id = GetFreeSessionId();
|
||||
AMS_ABORT_UNLESS(session_id != InvalidSessionId);
|
||||
|
||||
|
||||
if ((bus == Bus::I2C2 || bus == Bus::I2C3) && (this->bus_accessors[ConvertToIndex(Bus::I2C2)].GetOpenSessions() == 0 && this->bus_accessors[ConvertToIndex(Bus::I2C3)].GetOpenSessions() == 0)) {
|
||||
need_enable_ldo6 = true;
|
||||
}
|
||||
|
||||
out_session->session_id = session_id;
|
||||
out_session->bus_idx = ConvertToIndex(bus);
|
||||
this->sessions[session_id].Open(bus, slave_address, addressing_mode, speed_mode, &this->bus_accessors[ConvertToIndex(bus)], max_retries, retry_wait_time);
|
||||
}
|
||||
|
||||
this->sessions[session_id].Start();
|
||||
if (need_enable_ldo6) {
|
||||
pcv::Initialize();
|
||||
R_ABORT_UNLESS(pcv::SetVoltageValue(10, 2'900'000));
|
||||
R_ABORT_UNLESS(pcv::SetVoltageEnabled(10, true));
|
||||
pcv::Finalize();
|
||||
svcSleepThread(560'000ul);
|
||||
}
|
||||
}
|
||||
|
||||
void ResourceManager::CloseSession(const driver::Session &session) {
|
||||
bool need_disable_ldo6 = false;
|
||||
/* Get, open session. */
|
||||
{
|
||||
std::scoped_lock lk(this->session_open_mutex);
|
||||
AMS_ABORT_UNLESS(this->sessions[session.session_id].IsOpen());
|
||||
|
||||
this->sessions[session.session_id].Close();
|
||||
|
||||
if ((ConvertFromIndex(session.bus_idx) == Bus::I2C2 || ConvertFromIndex(session.bus_idx) == Bus::I2C3) &&
|
||||
(this->bus_accessors[ConvertToIndex(Bus::I2C2)].GetOpenSessions() == 0 && this->bus_accessors[ConvertToIndex(Bus::I2C3)].GetOpenSessions() == 0)) {
|
||||
need_disable_ldo6 = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (need_disable_ldo6) {
|
||||
pcv::Initialize();
|
||||
R_ABORT_UNLESS(pcv::SetVoltageEnabled(10, false));
|
||||
pcv::Finalize();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void ResourceManager::SuspendBuses() {
|
||||
AMS_ABORT_UNLESS(this->ref_cnt > 0);
|
||||
|
||||
if (!this->suspended) {
|
||||
{
|
||||
std::scoped_lock lk(this->session_open_mutex);
|
||||
this->suspended = true;
|
||||
for (size_t i = 0; i < ConvertToIndex(Bus::Count); i++) {
|
||||
if (i != PowerBusId && this->bus_accessors[i].GetOpenSessions() > 0) {
|
||||
this->bus_accessors[i].Suspend();
|
||||
}
|
||||
}
|
||||
}
|
||||
pcv::Initialize();
|
||||
R_ABORT_UNLESS(pcv::SetVoltageEnabled(10, false));
|
||||
pcv::Finalize();
|
||||
}
|
||||
}
|
||||
|
||||
void ResourceManager::ResumeBuses() {
|
||||
AMS_ABORT_UNLESS(this->ref_cnt > 0);
|
||||
|
||||
if (this->suspended) {
|
||||
if (this->bus_accessors[ConvertToIndex(Bus::I2C2)].GetOpenSessions() > 0 || this->bus_accessors[ConvertToIndex(Bus::I2C3)].GetOpenSessions() > 0) {
|
||||
pcv::Initialize();
|
||||
R_ABORT_UNLESS(pcv::SetVoltageValue(10, 2'900'000));
|
||||
R_ABORT_UNLESS(pcv::SetVoltageEnabled(10, true));
|
||||
pcv::Finalize();
|
||||
svcSleepThread(1'560'000ul);
|
||||
}
|
||||
{
|
||||
std::scoped_lock lk(this->session_open_mutex);
|
||||
for (size_t i = 0; i < ConvertToIndex(Bus::Count); i++) {
|
||||
if (i != PowerBusId && this->bus_accessors[i].GetOpenSessions() > 0) {
|
||||
this->bus_accessors[i].Resume();
|
||||
}
|
||||
}
|
||||
}
|
||||
this->suspended = false;
|
||||
}
|
||||
}
|
||||
|
||||
void ResourceManager::SuspendPowerBus() {
|
||||
AMS_ABORT_UNLESS(this->ref_cnt > 0);
|
||||
std::scoped_lock lk(this->session_open_mutex);
|
||||
|
||||
if (!this->power_bus_suspended) {
|
||||
this->power_bus_suspended = true;
|
||||
if (this->bus_accessors[PowerBusId].GetOpenSessions() > 0) {
|
||||
this->bus_accessors[PowerBusId].Suspend();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void ResourceManager::ResumePowerBus() {
|
||||
AMS_ABORT_UNLESS(this->ref_cnt > 0);
|
||||
std::scoped_lock lk(this->session_open_mutex);
|
||||
|
||||
if (this->power_bus_suspended) {
|
||||
if (this->bus_accessors[PowerBusId].GetOpenSessions() > 0) {
|
||||
this->bus_accessors[PowerBusId].Resume();
|
||||
}
|
||||
this->power_bus_suspended = false;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -1,82 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include "../i2c_api.hpp"
|
||||
#include "i2c_driver_types.hpp"
|
||||
#include "i2c_bus_accessor.hpp"
|
||||
#include "i2c_session.hpp"
|
||||
|
||||
namespace ams::i2c::driver::impl {
|
||||
|
||||
class ResourceManager {
|
||||
public:
|
||||
static constexpr size_t MaxDriverSessions = 40;
|
||||
static constexpr size_t PowerBusId = ConvertToIndex(Bus::I2C5);
|
||||
static constexpr size_t InvalidSessionId = static_cast<size_t>(-1);
|
||||
private:
|
||||
os::Mutex initialize_mutex;
|
||||
os::Mutex session_open_mutex;
|
||||
size_t ref_cnt = 0;
|
||||
bool suspended = false;
|
||||
bool power_bus_suspended = false;
|
||||
Session sessions[MaxDriverSessions];
|
||||
BusAccessor bus_accessors[ConvertToIndex(Bus::Count)];
|
||||
TYPED_STORAGE(os::Mutex) transaction_mutexes[ConvertToIndex(Bus::Count)];
|
||||
public:
|
||||
ResourceManager() : initialize_mutex(false), session_open_mutex(false) {
|
||||
for (size_t i = 0; i < util::size(this->transaction_mutexes); i++) {
|
||||
new (GetPointer(this->transaction_mutexes[i])) os::Mutex(false);
|
||||
}
|
||||
}
|
||||
|
||||
~ResourceManager() {
|
||||
for (size_t i = 0; i < util::size(this->transaction_mutexes); i++) {
|
||||
GetReference(this->transaction_mutexes[i]).~Mutex();
|
||||
}
|
||||
}
|
||||
private:
|
||||
size_t GetFreeSessionId() const;
|
||||
public:
|
||||
/* N uses a singleton here, we'll oblige. */
|
||||
static ResourceManager &GetInstance() {
|
||||
static ResourceManager s_instance;
|
||||
return s_instance;
|
||||
}
|
||||
|
||||
bool IsInitialized() const {
|
||||
return this->ref_cnt > 0;
|
||||
}
|
||||
|
||||
Session& GetSession(size_t id) {
|
||||
return this->sessions[id];
|
||||
}
|
||||
|
||||
os::Mutex& GetTransactionMutex(Bus bus) {
|
||||
return GetReference(this->transaction_mutexes[ConvertToIndex(bus)]);
|
||||
}
|
||||
|
||||
void Initialize();
|
||||
void Finalize();
|
||||
|
||||
void OpenSession(driver::Session *out_session, Bus bus, u32 slave_address, AddressingMode addressing_mode, SpeedMode speed_mode, u32 max_retries, u64 retry_wait_time);
|
||||
void CloseSession(const driver::Session &session);
|
||||
void SuspendBuses();
|
||||
void ResumeBuses();
|
||||
void SuspendPowerBus();
|
||||
void ResumePowerBus();
|
||||
};
|
||||
|
||||
}
|
||||
|
|
@ -1,96 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
#include "i2c_session.hpp"
|
||||
|
||||
namespace ams::i2c::driver::impl {
|
||||
|
||||
void Session::Open(Bus bus, u32 slave_address, AddressingMode addr_mode, SpeedMode speed_mode, BusAccessor *bus_accessor, u32 max_retries, u64 retry_wait_time) {
|
||||
std::scoped_lock lk(this->bus_accessor_mutex);
|
||||
if (!this->open) {
|
||||
this->bus_accessor = bus_accessor;
|
||||
this->bus = bus;
|
||||
this->slave_address = slave_address;
|
||||
this->addressing_mode = addr_mode;
|
||||
this->max_retries = max_retries;
|
||||
this->retry_wait_time = retry_wait_time;
|
||||
this->bus_accessor->Open(this->bus, speed_mode);
|
||||
this->open = true;
|
||||
}
|
||||
}
|
||||
|
||||
void Session::Start() {
|
||||
std::scoped_lock lk(this->bus_accessor_mutex);
|
||||
if (this->open) {
|
||||
if (this->bus_accessor->GetOpenSessions() == 1) {
|
||||
this->bus_accessor->DoInitialConfig();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void Session::Close() {
|
||||
std::scoped_lock lk(this->bus_accessor_mutex);
|
||||
if (this->open) {
|
||||
this->bus_accessor->Close();
|
||||
this->bus_accessor = nullptr;
|
||||
this->open = false;
|
||||
}
|
||||
}
|
||||
|
||||
bool Session::IsOpen() const {
|
||||
return this->open;
|
||||
}
|
||||
|
||||
Result Session::DoTransaction(void *dst, const void *src, size_t num_bytes, I2cTransactionOption option, Command command) {
|
||||
std::scoped_lock lk(this->bus_accessor_mutex);
|
||||
|
||||
R_UNLESS(!this->bus_accessor->GetBusy(), i2c::ResultBusBusy());
|
||||
|
||||
this->bus_accessor->OnStartTransaction();
|
||||
ON_SCOPE_EXIT { this->bus_accessor->OnStopTransaction(); };
|
||||
|
||||
R_TRY(this->bus_accessor->StartTransaction(command, this->addressing_mode, this->slave_address));
|
||||
|
||||
switch (command) {
|
||||
case Command::Send:
|
||||
R_TRY(this->bus_accessor->Send(reinterpret_cast<const u8 *>(src), num_bytes, option, this->addressing_mode, this->slave_address));
|
||||
break;
|
||||
case Command::Receive:
|
||||
R_TRY(this->bus_accessor->Receive(reinterpret_cast<u8 *>(dst), num_bytes, option, this->addressing_mode, this->slave_address));
|
||||
break;
|
||||
AMS_UNREACHABLE_DEFAULT_CASE();
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result Session::DoTransactionWithRetry(void *dst, const void *src, size_t num_bytes, I2cTransactionOption option, Command command) {
|
||||
size_t i = 0;
|
||||
while (true) {
|
||||
R_TRY_CATCH(this->DoTransaction(dst, src, num_bytes, option, command)) {
|
||||
R_CATCH(i2c::ResultTimedOut) {
|
||||
if ((++i) <= this->max_retries) {
|
||||
svcSleepThread(this->retry_wait_time);
|
||||
continue;
|
||||
}
|
||||
return i2c::ResultBusBusy();
|
||||
}
|
||||
} R_END_TRY_CATCH;
|
||||
return ResultSuccess();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,47 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include "i2c_driver_types.hpp"
|
||||
#include "i2c_bus_accessor.hpp"
|
||||
|
||||
namespace ams::i2c::driver::impl {
|
||||
|
||||
class Session {
|
||||
private:
|
||||
os::Mutex bus_accessor_mutex;
|
||||
BusAccessor *bus_accessor = nullptr;
|
||||
Bus bus = Bus::I2C1;
|
||||
u32 slave_address = 0;
|
||||
AddressingMode addressing_mode = AddressingMode::SevenBit;
|
||||
u32 max_retries = 0;
|
||||
u64 retry_wait_time = 0;
|
||||
bool open = false;
|
||||
public:
|
||||
Session() : bus_accessor_mutex(false) { /* ... */ }
|
||||
public:
|
||||
void Open(Bus bus, u32 slave_address, AddressingMode addr_mode, SpeedMode speed_mode, BusAccessor *bus_accessor, u32 max_retries, u64 retry_wait_time);
|
||||
void Start();
|
||||
void Close();
|
||||
|
||||
bool IsOpen() const;
|
||||
|
||||
Result DoTransaction(void *dst, const void *src, size_t num_bytes, I2cTransactionOption option, Command command);
|
||||
Result DoTransactionWithRetry(void *dst, const void *src, size_t num_bytes, I2cTransactionOption option, Command command);
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1,78 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#include <stratosphere.hpp>
|
||||
#include "i2c_types.hpp"
|
||||
#include "i2c_command_list.hpp"
|
||||
|
||||
namespace ams::i2c {
|
||||
|
||||
namespace {
|
||||
|
||||
/* Useful definitions. */
|
||||
constexpr size_t SendCommandSize = 2;
|
||||
constexpr size_t ReceiveCommandSize = 2;
|
||||
constexpr size_t SleepCommandSize = 2;
|
||||
|
||||
}
|
||||
|
||||
Result CommandListFormatter::CanEnqueue(size_t size) const {
|
||||
R_UNLESS(this->cmd_list_size - this->cur_index >= size, ResultFullCommandList());
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result CommandListFormatter::EnqueueSendCommand(I2cTransactionOption option, const void *src, size_t size) {
|
||||
R_TRY(this->CanEnqueue(SendCommandSize + size));
|
||||
|
||||
this->cmd_list[this->cur_index] = static_cast<u8>(Command::Send);
|
||||
this->cmd_list[this->cur_index] |= ((option & I2cTransactionOption_Start) != 0) << 6;
|
||||
this->cmd_list[this->cur_index] |= ((option & I2cTransactionOption_Stop) != 0) << 7;
|
||||
this->cur_index++;
|
||||
|
||||
this->cmd_list[this->cur_index++] = size;
|
||||
|
||||
const u8 *src_u8 = reinterpret_cast<const u8 *>(src);
|
||||
for (size_t i = 0; i < size; i++) {
|
||||
this->cmd_list[this->cur_index++] = src_u8[i];
|
||||
}
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result CommandListFormatter::EnqueueReceiveCommand(I2cTransactionOption option, size_t size) {
|
||||
R_TRY(this->CanEnqueue(ReceiveCommandSize));
|
||||
|
||||
this->cmd_list[this->cur_index] = static_cast<u8>(Command::Receive);
|
||||
this->cmd_list[this->cur_index] |= ((option & I2cTransactionOption_Start) != 0) << 6;
|
||||
this->cmd_list[this->cur_index] |= ((option & I2cTransactionOption_Stop) != 0) << 7;
|
||||
this->cur_index++;
|
||||
|
||||
this->cmd_list[this->cur_index++] = size;
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
Result CommandListFormatter::EnqueueSleepCommand(size_t us) {
|
||||
R_TRY(this->CanEnqueue(SleepCommandSize));
|
||||
|
||||
this->cmd_list[this->cur_index] = static_cast<u8>(Command::SubCommand);
|
||||
this->cmd_list[this->cur_index] |= static_cast<u8>(SubCommand::Sleep) << 2;
|
||||
this->cur_index++;
|
||||
|
||||
this->cmd_list[this->cur_index++] = us;
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1,60 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope 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/>.
|
||||
*/
|
||||
#pragma once
|
||||
#include "i2c_types.hpp"
|
||||
|
||||
namespace ams::i2c {
|
||||
|
||||
enum class Command {
|
||||
Send = 0,
|
||||
Receive = 1,
|
||||
SubCommand = 2,
|
||||
Count,
|
||||
};
|
||||
|
||||
enum class SubCommand {
|
||||
Sleep = 0,
|
||||
Count,
|
||||
};
|
||||
|
||||
class CommandListFormatter {
|
||||
public:
|
||||
static constexpr size_t MaxCommandListSize = 0x100;
|
||||
private:
|
||||
u8 *cmd_list = nullptr;
|
||||
size_t cmd_list_size = 0;
|
||||
size_t cur_index = 0;
|
||||
public:
|
||||
CommandListFormatter(void *cmd_list, size_t cmd_list_size) : cmd_list(static_cast<u8 *>(cmd_list)), cmd_list_size(cmd_list_size) {
|
||||
AMS_ABORT_UNLESS(cmd_list_size <= MaxCommandListSize);
|
||||
}
|
||||
~CommandListFormatter() {
|
||||
this->cmd_list = nullptr;
|
||||
}
|
||||
|
||||
private:
|
||||
Result CanEnqueue(size_t size) const;
|
||||
public:
|
||||
size_t GetCurrentSize() const {
|
||||
return this->cur_index;
|
||||
}
|
||||
|
||||
Result EnqueueSendCommand(I2cTransactionOption option, const void *src, size_t size);
|
||||
Result EnqueueReceiveCommand(I2cTransactionOption option, size_t size);
|
||||
Result EnqueueSleepCommand(size_t us);
|
||||
};
|
||||
|
||||
}
|
||||
Loading…
Reference in a new issue