Henry-Hiles/qmk_userspace
1
0
Fork 0
forked from mirrors/qmk_userspace
Code Pull requests Activity

Initial USB2422 driver (#14835)

Browse source
This commit is contained in:
Joel Challis 2021-10-22 00:49:58 +01:00 • committed by GitHub
commit 0093d3d761
Failed to generate hash of commit
13 changed files with 277 additions and 205 deletions
Download patch file Download diff file Expand all files Collapse all files

214
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/>.
*/
#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
/* 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/>.
*/
#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
View file

@ -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
View file

@ -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
View file

@ -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
View file

@ -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
View file

@ -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
View file

@ -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
View file

@ -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
View file

@ -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
View file

@ -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
View file

@ -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
View file

@ -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
View file

@ -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_