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Initial USB2422 driver (#14835)

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This commit is contained in:
Joel Challis 2021-10-22 00:49:58 +01:00 committed by GitHub
parent 1b1f3ec68e
commit 0093d3d761
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GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 277 additions and 205 deletions
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212
tmk_core/protocol/arm_atsam/usb/usb2422.h → drivers/usb2422.c
View File

@ -1,32 +1,25 @@
/*
Copyright 2018 Massdrop Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
/* Copyright 2021 QMK
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _USB2422_H_
#define _USB2422_H_
#define REV_USB2422 0x100
#define USB2422_ADDR 0x58 // I2C device address, one instance
#define USB2422_HUB_ACTIVE_GROUP 0 // PA
#define USB2422_HUB_ACTIVE_PIN 18 // 18
#include <string.h>
#include "usb2422.h"
#include "i2c_master.h"
#include "wait.h"
#include "gpio.h"
/* -------- USB2422_VID : (USB2422L Offset: 0x00) (R/W 16) Vendor ID -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint16_t VID_LSB : 8;
@ -34,10 +27,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint16_t reg; /*!< Type used for register access */
} USB2422_VID_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_PID : (USB2422L Offset: 0x02) (R/W 16) Product ID -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint16_t PID_LSB : 8;
@ -45,10 +36,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint16_t reg; /*!< Type used for register access */
} USB2422_PID_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_DID : (USB2422L Offset: 0x04) (R/W 16) Device ID -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint16_t DID_LSB : 8;
@ -56,10 +45,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint16_t reg; /*!< Type used for register access */
} USB2422_DID_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_CFG1 : (USB2422L Offset: 0x06) (R/W 8) Configuration Data Byte 1-------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t PORT_PWR : 1;
@ -72,10 +59,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_CFG1_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_CFG2 : (USB2422L Offset: 0x07) (R/W 8) Configuration Data Byte 2-------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t : 3;
@ -86,10 +71,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_CFG2_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_CFG3 : (USB2422L Offset: 0x08) (R/W 16) Configuration Data Byte 3-------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t STRING_EN : 1;
@ -99,10 +82,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_CFG3_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_NRD : (USB2422L Offset: 0x09) (R/W 8) Non Removable Device -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t : 5;
@ -112,10 +93,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_NRD_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_PDS : (USB2422L Offset: 0x0A) (R/W 8) Port Diable for Self-Powered Operation -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t : 1;
@ -125,10 +104,9 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_PDS_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_PDB : (USB2422L Offset: 0x0B) (R/W 8) Port Diable for Bus-Powered Operation -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t : 1;
@ -138,125 +116,98 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_PDB_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_MAXPS : (USB2422L Offset: 0x0C) (R/W 8) Max Power for Self-Powered Operation -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t MAX_PWR_SP : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_MAXPS_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_MAXPB : (USB2422L Offset: 0x0D) (R/W 8) Max Power for Bus-Powered Operation -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t MAX_PWR_BP : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_MAXPB_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_HCMCS : (USB2422L Offset: 0x0E) (R/W 8) Hub Controller Max Current for Self-Powered Operation -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t HC_MAX_C_SP : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_HCMCS_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_HCMCB : (USB2422L Offset: 0x0F) (R/W 8) Hub Controller Max Current for Bus-Powered Operation -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t HC_MAX_C_BP : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_HCMCB_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_PWRT : (USB2422L Offset: 0x10) (R/W 8) Power On Time -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t POWER_ON_TIME : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_PWRT_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_LANGID LSB : (USB2422L Offset: 0x11) (R/W 16) Language ID -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t LANGID_LSB : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_LANGID_LSB_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_LANGID MSB : (USB2422L Offset: 0x12) (R/W 16) Language ID -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t LANGID_MSB : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_LANGID_MSB_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_MFRSL : (USB2422L Offset: 0x13) (R/W 8) Manufacturer String Length -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t MFR_STR_LEN : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_MFRSL_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_PRDSL : (USB2422L Offset: 0x14) (R/W 8) Product String Length -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t PRD_STR_LEN : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_PRDSL_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_SERSL : (USB2422L Offset: 0x15) (R/W 8) Serial String Length -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t SER_STR_LEN : 8;
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_SERSL_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_MFRSTR : (USB2422L Offset: 0x16-53) (R/W 8) Maufacturer String -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef uint16_t USB2422_MFRSTR_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_PRDSTR : (USB2422L Offset: 0x54-91) (R/W 8) Product String -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef uint16_t USB2422_PRDSTR_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_SERSTR : (USB2422L Offset: 0x92-CF) (R/W 8) Serial String -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef uint16_t USB2422_SERSTR_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_BCEN : (USB2422L Offset: 0xD0) (R/W 8) Battery Charging Enable -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t : 1;
@ -266,10 +217,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_BCEN_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_BOOSTUP : (USB2422L Offset: 0xF6) (R/W 8) Boost Upstream -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t BOOST : 2;
@ -277,10 +226,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_BOOSTUP_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_BOOSTDOWN : (USB2422L Offset: 0xF8) (R/W 8) Boost Downstream -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t BOOST1 : 2;
@ -289,10 +236,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_BOOSTDOWN_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_PRTSP : (USB2422L Offset: 0xFA) (R/W 8) Port Swap -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t : 1;
@ -302,10 +247,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_PRTSP_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- USB2422_PRTR12 : (USB2422L Offset: 0xFB) (R/W 8) Port 1/2 Remap -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t PORT1_REMAP : 4;
@ -313,7 +256,7 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_PRTR12_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
#define USB2422_PRTR12_DISABLE 0
#define USB2422_PRT12_P2TOL1 1
#define USB2422_PRT12_P2XTOL2 2
@ -321,7 +264,6 @@ typedef union {
#define USB2422_PRT12_P1XTOL2 2
/* -------- USB2422_STCD : (USB2422L Offset: 0xFF) (R/W 8) Status Command -------- */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef union {
struct {
uint8_t USB_ATTACH : 1;
@ -331,10 +273,8 @@ typedef union {
} bit; /*!< Structure used for bit access */
uint8_t reg; /*!< Type used for register access */
} USB2422_STCD_Type;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/** \brief USB2422 device hardware registers */
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
typedef struct {
USB2422_VID_Type VID; /**< \brief Offset: 0x00*/
USB2422_PID_Type PID; /**< \brief Offset: 0x02*/
@ -368,35 +308,95 @@ typedef struct {
USB2422_PRTR12_Type PRTR12; /**< \brief Offset: 0xFB*/
uint8_t Reserved4[0x3];
USB2422_STCD_Type STCD; /**< \brief Offset: 0xFF*/
} Usb2422;
} Usb2422_t;
// ***************************************************************
static Usb2422_t config;
// ***************************************************************
/** \brief Handle the conversion to allow simple strings
*/
static void USB2422_strcpy(const char* str, USB2422_MFRSTR_Type* dest, uint8_t len) {
for (uint8_t i = 0; i < len; i++) {
dest[i] = str[i];
}
}
/** \brief Handle the conversion to allow simple strings
*/
static void USB2422_write_block(void) {
static unsigned char i2c0_buf[34];
unsigned char* dest = i2c0_buf;
unsigned char* src;
unsigned char* base = (unsigned char*)&config;
for (src = base; src < base + 256; src += 32) {
dest[0] = src - base;
dest[1] = 32;
memcpy(&dest[2], src, 32);
i2c_transmit(USB2422_ADDRESS, dest, 34, 50000);
wait_us(100);
}
}
// ***************************************************************
void USB2422_init() {
#ifdef USB2422_RESET_PIN
setPinOutput(USB2422_RESET_PIN);
#endif
#ifdef USB2422_ACTIVE_PIN
setPinInput(USB2422_ACTIVE_PIN);
#endif
#define PORT_DETECT_RETRY_INTERVAL 2000
i2c_init(); // IC2 clk must be high at USB2422 reset release time to signal SMB configuration
}
#define USB_EXTRA_ADC_THRESHOLD 900
void USB2422_configure() {
static const char SERNAME[] = "Unavailable";
#define USB_EXTRA_STATE_DISABLED 0
#define USB_EXTRA_STATE_ENABLED 1
#define USB_EXTRA_STATE_UNKNOWN 2
#define USB_EXTRA_STATE_DISABLED_UNTIL_REPLUG 3
memset(&config, 0, sizeof(Usb2422_t));
#define USB_HOST_PORT_1 0
#define USB_HOST_PORT_2 1
#define USB_HOST_PORT_UNKNOWN 2
// configure Usb2422 registers
config.VID.reg = USB2422_VENDOR_ID;
config.PID.reg = USB2422_PRODUCT_ID;
config.DID.reg = USB2422_DEVICE_VER; // BCD format, eg 01.01
config.CFG1.bit.SELF_BUS_PWR = 1; // self powered for now
config.CFG1.bit.HS_DISABLE = 1; // full or high speed
// config.CFG2.bit.COMPOUND = 0; // compound device
config.CFG3.bit.STRING_EN = 1; // strings enabled
// config.NRD.bit.PORT2_NR = 0; // MCU is non-removable
config.MAXPB.reg = 20; // 0mA
config.HCMCB.reg = 20; // 0mA
config.MFRSL.reg = sizeof(USB2422_MANUFACTURER);
config.PRDSL.reg = sizeof(USB2422_PRODUCT);
config.SERSL.reg = sizeof(SERNAME);
USB2422_strcpy(USB2422_MANUFACTURER, config.MFRSTR, sizeof(USB2422_MANUFACTURER));
USB2422_strcpy(USB2422_PRODUCT, config.PRDSTR, sizeof(USB2422_PRODUCT));
USB2422_strcpy(SERNAME, config.SERSTR, sizeof(SERNAME));
// config.BOOSTUP.bit.BOOST=3; //upstream port
// config.BOOSTDOWN.bit.BOOST1=0; // extra port
// config.BOOSTDOWN.bit.BOOST2=2; //MCU is close
config.STCD.bit.USB_ATTACH = 1;
extern uint8_t usb_host_port;
extern uint8_t usb_extra_state;
extern uint8_t usb_extra_manual;
extern uint8_t usb_gcr_auto;
USB2422_write_block();
}
void USB2422_init(void);
void USB_reset(void);
void USB_configure(void);
uint16_t USB_active(void);
void USB_set_host_by_voltage(void);
uint16_t adc_get(uint8_t muxpos);
uint8_t USB2422_Port_Detect_Init(void);
void USB_HandleExtraDevice(void);
void USB_ExtraSetState(uint8_t state);
void USB2422_reset() {
#ifdef USB2422_RESET_PIN
writePinLow(USB2422_RESET_PIN);
wait_us(2);
writePinHigh(USB2422_RESET_PIN);
#endif
}
#endif //_USB2422_H_
bool USB2422_active() {
#ifdef USB2422_ACTIVE_PIN
return readPin(USB2422_ACTIVE_PIN);
#else
return 1;
#endif
}

59
drivers/usb2422.h Normal file
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@ -0,0 +1,59 @@
/* Copyright 2021 QMK
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdbool.h>
#ifndef USB2422_ADDRESS
# define USB2422_ADDRESS 0x58
#endif
#ifndef USB2422_VENDOR_ID
# define USB2422_VENDOR_ID 0xFEED
#endif
#ifndef USB2422_PRODUCT_ID
# define USB2422_PRODUCT_ID 0x0001
#endif
#ifndef USB2422_DEVICE_VER
# define USB2422_DEVICE_VER 0x0001
#endif
#ifndef USB2422_MANUFACTURER
# define USB2422_MANUFACTURER "QMK"
#endif
#ifndef USB2422_PRODUCT
# define USB2422_PRODUCT "QMK Hub"
#endif
/** \brief Initialises the dependent subsystems */
void USB2422_init(void);
/** \brief Push configuration to the USB2422 device */
void USB2422_configure(void);
/** \brief Reset the chip (RESET_N)
*
* NOTE:
* Depends on a valid USB2422_RESET_PIN configuration
*/
void USB2422_reset(void);
/** \brief Indicates the USB state of the hub (SUSP_IND)
*
* NOTE:
* Depends on a valid USB2422_ACTIVE_PIN configuration
*/
bool USB2422_active(void);

2
keyboards/massdrop/alt/alt.h
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@ -7,7 +7,7 @@
#include "i2c_master.h"
#include "md_rgb_matrix.h" //For led keycodes
#include "usb/udi_cdc.h"
#include "usb/usb2422.h"
#include "usb/usb_hub.h"
#define LAYOUT_65_ansi_blocker( \
K01, K02, K03, K04, K05, K06, K07, K08, K09, K10, K11, K12, K13, K14, K15, \

9
keyboards/massdrop/alt/config.h
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@ -90,6 +90,15 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define DEBUG_BOOT_TRACING_PORT PB
#define DEBUG_BOOT_TRACING_PIN 23
/* USB2422 config */
#define USB2422_ADDRESS 0x58
#define USB2422_VENDOR_ID 0x04D8
#define USB2422_PRODUCT_ID 0xEEC5
#define USB2422_DEVICE_VER 0x0101
#define USB2422_MANUFACTURER "Massdrop Inc."
#define USB2422_PRODUCT "Massdrop Hub"
#define USB2422_ACTIVE_PIN A18
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
#define DEBOUNCE 5

9
keyboards/massdrop/ctrl/config.h
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@ -89,6 +89,15 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define DEBUG_BOOT_TRACING_PORT PB
#define DEBUG_BOOT_TRACING_PIN 23
/* USB2422 config */
#define USB2422_ADDRESS 0x58
#define USB2422_VENDOR_ID 0x04D8
#define USB2422_PRODUCT_ID 0xEEC5
#define USB2422_DEVICE_VER 0x0101
#define USB2422_MANUFACTURER "Massdrop Inc."
#define USB2422_PRODUCT "Massdrop Hub"
#define USB2422_ACTIVE_PIN A18
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
#define DEBOUNCE 5

2
keyboards/massdrop/ctrl/ctrl.h
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@ -7,7 +7,7 @@
#include "i2c_master.h"
#include "md_rgb_matrix.h" //For led keycodes
#include "usb/udi_cdc.h"
#include "usb/usb2422.h"
#include "usb/usb_hub.h"
#define LAYOUT( \
K01, K02, K03, K04, K05, K06, K07, K08, K09, K10, K11, K12, K13, K14, K15, \

4
tmk_core/protocol/arm_atsam.mk
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@ -20,10 +20,12 @@ SRC += $(ARM_ATSAM_DIR)/usb/udi_hid.c
SRC += $(ARM_ATSAM_DIR)/usb/udi_hid_kbd.c
SRC += $(ARM_ATSAM_DIR)/usb/udi_hid_kbd_desc.c
SRC += $(ARM_ATSAM_DIR)/usb/ui.c
SRC += $(ARM_ATSAM_DIR)/usb/usb2422.c
SRC += $(ARM_ATSAM_DIR)/usb/usb.c
SRC += $(ARM_ATSAM_DIR)/usb/usb_device_udd.c
SRC += $(ARM_ATSAM_DIR)/usb/usb_hub.c
SRC += $(ARM_ATSAM_DIR)/usb/usb_util.c
SRC += $(DRIVER_PATH)/usb2422.c
# Search Path
VPATH += $(TMK_DIR)/$(ARM_ATSAM_DIR)

2
tmk_core/protocol/arm_atsam/arm_atsam_protocol.h
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@ -29,7 +29,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "i2c_master.h"
#include "shift_register.h"
#include "./usb/usb2422.h"
#include "./usb/usb_hub.h"
#ifndef MD_BOOTLOADER

19
tmk_core/protocol/arm_atsam/i2c_master.c
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@ -564,4 +564,23 @@ uint8_t i2c_led_q_run(void) {
return 1;
}
__attribute__((weak)) void i2c_init(void) {
static bool is_initialised = false;
if (!is_initialised) {
is_initialised = true;
i2c0_init();
}
}
i2c_status_t i2c_transmit(uint8_t address, const uint8_t *data, uint16_t length, uint16_t timeout) {
uint8_t ret = i2c0_transmit(address, (uint8_t *)data, length, timeout);
SERCOM0->I2CM.CTRLB.bit.CMD = 0x03;
while (SERCOM0->I2CM.SYNCBUSY.bit.SYSOP) {
DBGC(DC_USB_WRITE2422_BLOCK_SYNC_SYSOP);
}
return ret ? I2C_STATUS_SUCCESS : I2C_STATUS_ERROR;
}
#endif // !defined(MD_BOOTLOADER) && defined(RGB_MATRIX_ENABLE)

9
tmk_core/protocol/arm_atsam/i2c_master.h
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@ -101,4 +101,13 @@ void i2c0_init(void);
uint8_t i2c0_transmit(uint8_t address, uint8_t *data, uint16_t length, uint16_t timeout);
void i2c0_stop(void);
// Terrible interface compatiblity...
#define I2C_STATUS_SUCCESS (0)
#define I2C_STATUS_ERROR (-1)
typedef int16_t i2c_status_t;
void i2c_init(void);
i2c_status_t i2c_transmit(uint8_t address, const uint8_t *data, uint16_t length, uint16_t timeout);
#endif // _I2C_MASTER_H_

4
tmk_core/protocol/arm_atsam/main_arm_atsam.c
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@ -296,7 +296,7 @@ int main(void) {
matrix_init();
USB2422_init();
USB_Hub_init();
DBGC(DC_MAIN_UDC_START_BEGIN);
udc_start();
@ -306,7 +306,7 @@ int main(void) {
CDC_init();
DBGC(DC_MAIN_CDC_INIT_COMPLETE);
while (USB2422_Port_Detect_Init() == 0) {
while (USB_Hub_Port_Detect_Init() == 0) {
}
DBG_LED_OFF;

98
tmk_core/protocol/arm_atsam/usb/usb2422.c → tmk_core/protocol/arm_atsam/usb/usb_hub.c
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@ -16,25 +16,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "arm_atsam_protocol.h"
#include "drivers/usb2422.h"
#include <string.h>
Usb2422 USB2422_shadow;
unsigned char i2c0_buf[34];
const uint16_t MFRNAME[] = {'M', 'a', 's', 's', 'd', 'r', 'o', 'p', ' ', 'I', 'n', 'c', '.'}; // Massdrop Inc.
const uint16_t PRDNAME[] = {'M', 'a', 's', 's', 'd', 'r', 'o', 'p', ' ', 'H', 'u', 'b'}; // Massdrop Hub
#ifndef MD_BOOTLOADER
// Serial number reported stops before first found space character or at last found character
const uint16_t SERNAME[] = {'U', 'n', 'a', 'v', 'a', 'i', 'l', 'a', 'b', 'l', 'e'}; // Unavailable
#else
// In production, this field is found, modified, and offset noted as the last 32-bit word in the bootloader space
// The offset allows the application to use the factory programmed serial (which may differ from the physical serial label)
// Serial number reported stops before first found space character or when max size is reached
__attribute__((__aligned__(4))) const uint16_t SERNAME[BOOTLOADER_SERIAL_MAX_SIZE] = {'M', 'D', 'H', 'U', 'B', 'B', 'O', 'O', 'T', 'L', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'};
// NOTE: Serial replacer will not write a string longer than given here as a precaution, so give enough
// space as needed and adjust BOOTLOADER_SERIAL_MAX_SIZE to match amount given
#endif // MD_BOOTLOADER
uint8_t usb_host_port;
#ifndef MD_BOOTLOADER
@ -47,29 +31,7 @@ uint8_t usb_gcr_auto;
uint16_t adc_extra;
void USB_write2422_block(void) {
unsigned char *dest = i2c0_buf;
unsigned char *src;
unsigned char *base = (unsigned char *)&USB2422_shadow;
DBGC(DC_USB_WRITE2422_BLOCK_BEGIN);
for (src = base; src < base + 256; src += 32) {
dest[0] = src - base;
dest[1] = 32;
memcpy(&dest[2], src, 32);
i2c0_transmit(USB2422_ADDR, dest, 34, 50000);
SERCOM0->I2CM.CTRLB.bit.CMD = 0x03;
while (SERCOM0->I2CM.SYNCBUSY.bit.SYSOP) {
DBGC(DC_USB_WRITE2422_BLOCK_SYNC_SYSOP);
}
wait_us(100);
}
DBGC(DC_USB_WRITE2422_BLOCK_COMPLETE);
}
void USB2422_init(void) {
void USB_Hub_init(void) {
Gclk * pgclk = GCLK;
Mclk * pmclk = MCLK;
Port * pport = PORT;
@ -147,9 +109,7 @@ void USB2422_init(void) {
pusb->DEVICE.QOSCTRL.bit.DQOS = 2;
pusb->DEVICE.QOSCTRL.bit.CQOS = 2;
pport->Group[USB2422_HUB_ACTIVE_GROUP].PINCFG[USB2422_HUB_ACTIVE_PIN].bit.INEN = 1;
i2c0_init(); // IC2 clk must be high at USB2422 reset release time to signal SMB configuration
USB2422_init();
sr_exp_data.bit.HUB_CONNECT = 1; // connect signal
sr_exp_data.bit.HUB_RESET_N = 1; // reset high
@ -181,62 +141,16 @@ void USB_reset(void) {
}
void USB_configure(void) {
Usb2422 *pusb2422 = &USB2422_shadow;
memset(pusb2422, 0, sizeof(Usb2422));
uint16_t *serial_use = (uint16_t *)SERNAME; // Default to use SERNAME from this file
uint8_t serial_length = sizeof(SERNAME) / sizeof(uint16_t); // Default to use SERNAME from this file
#ifndef MD_BOOTLOADER
uint32_t serial_ptrloc = (uint32_t)&_srom - 4;
#else // MD_BOOTLOADER
uint32_t serial_ptrloc = (uint32_t)&_erom - 4;
#endif // MD_BOOTLOADER
uint32_t serial_address = *(uint32_t *)serial_ptrloc; // Address of bootloader's serial number if available
DBGC(DC_USB_CONFIGURE_BEGIN);
if (serial_address != 0xFFFFFFFF && serial_address < serial_ptrloc) // Check for factory programmed serial address
{
if ((serial_address & 0xFF) % 4 == 0) // Check alignment
{
serial_use = (uint16_t *)(serial_address);
serial_length = 0;
while ((*(serial_use + serial_length) > 32 && *(serial_use + serial_length) < 127) && serial_length < BOOTLOADER_SERIAL_MAX_SIZE) {
serial_length++;
DBGC(DC_USB_CONFIGURE_GET_SERIAL);
}
}
}
// configure Usb2422 registers
pusb2422->VID.reg = 0x04D8; // from Microchip 4/19/2018
pusb2422->PID.reg = 0xEEC5; // from Microchip 4/19/2018 = Massdrop, Inc. USB Hub
pusb2422->DID.reg = 0x0101; // BCD 01.01
pusb2422->CFG1.bit.SELF_BUS_PWR = 1; // self powered for now
pusb2422->CFG1.bit.HS_DISABLE = 1; // full or high speed
// pusb2422->CFG2.bit.COMPOUND = 0; // compound device
pusb2422->CFG3.bit.STRING_EN = 1; // strings enabled
// pusb2422->NRD.bit.PORT2_NR = 0; // MCU is non-removable
pusb2422->MAXPB.reg = 20; // 0mA
pusb2422->HCMCB.reg = 20; // 0mA
pusb2422->MFRSL.reg = sizeof(MFRNAME) / sizeof(uint16_t);
pusb2422->PRDSL.reg = sizeof(PRDNAME) / sizeof(uint16_t);
pusb2422->SERSL.reg = serial_length;
memcpy(pusb2422->MFRSTR, MFRNAME, sizeof(MFRNAME));
memcpy(pusb2422->PRDSTR, PRDNAME, sizeof(PRDNAME));
memcpy(pusb2422->SERSTR, serial_use, serial_length * sizeof(uint16_t));
// pusb2422->BOOSTUP.bit.BOOST=3; //upstream port
// pusb2422->BOOSTDOWN.bit.BOOST1=0; // extra port
// pusb2422->BOOSTDOWN.bit.BOOST2=2; //MCU is close
pusb2422->STCD.bit.USB_ATTACH = 1;
USB_write2422_block();
USB2422_configure();
adc_extra = 0;
DBGC(DC_USB_CONFIGURE_COMPLETE);
}
uint16_t USB_active(void) { return (PORT->Group[USB2422_HUB_ACTIVE_GROUP].IN.reg & (1 << USB2422_HUB_ACTIVE_PIN)) != 0; }
uint16_t USB_active(void) { return USB2422_active(); }
void USB_set_host_by_voltage(void) {
// UP is upstream device (HOST)
@ -314,7 +228,7 @@ void USB_set_host_by_voltage(void) {
DBGC(DC_USB_SET_HOST_BY_VOLTAGE_COMPLETE);
}
uint8_t USB2422_Port_Detect_Init(void) {
uint8_t USB_Hub_Port_Detect_Init(void) {
uint32_t port_detect_retry_ms;
uint32_t tmod;

51
tmk_core/protocol/arm_atsam/usb/usb_hub.h Normal file
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@ -0,0 +1,51 @@
/*
Copyright 2018 Massdrop Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _USB2422_H_
#define _USB2422_H_
#define REV_USB2422 0x100
#define PORT_DETECT_RETRY_INTERVAL 2000
#define USB_EXTRA_ADC_THRESHOLD 900
#define USB_EXTRA_STATE_DISABLED 0
#define USB_EXTRA_STATE_ENABLED 1
#define USB_EXTRA_STATE_UNKNOWN 2
#define USB_EXTRA_STATE_DISABLED_UNTIL_REPLUG 3
#define USB_HOST_PORT_1 0
#define USB_HOST_PORT_2 1
#define USB_HOST_PORT_UNKNOWN 2
extern uint8_t usb_host_port;
extern uint8_t usb_extra_state;
extern uint8_t usb_extra_manual;
extern uint8_t usb_gcr_auto;
void USB_Hub_init(void);
uint8_t USB_Hub_Port_Detect_Init(void);
void USB_reset(void);
void USB_configure(void);
uint16_t USB_active(void);
void USB_set_host_by_voltage(void);
uint16_t adc_get(uint8_t muxpos);
void USB_HandleExtraDevice(void);
void USB_ExtraSetState(uint8_t state);
#endif //_USB2422_H_