/* 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 -------- */ typedef union { struct { uint16_t VID_LSB : 8; uint16_t VID_MSB : 8; } bit; /*!< Structure used for bit access */ uint16_t reg; /*!< Type used for register access */ } USB2422_VID_Type; /* -------- USB2422_PID : (USB2422L Offset: 0x02) (R/W 16) Product ID -------- */ typedef union { struct { uint16_t PID_LSB : 8; uint16_t PID_MSB : 8; } bit; /*!< Structure used for bit access */ uint16_t reg; /*!< Type used for register access */ } USB2422_PID_Type; /* -------- USB2422_DID : (USB2422L Offset: 0x04) (R/W 16) Device ID -------- */ typedef union { struct { uint16_t DID_LSB : 8; uint16_t DID_MSB : 8; } bit; /*!< Structure used for bit access */ uint16_t reg; /*!< Type used for register access */ } USB2422_DID_Type; /* -------- USB2422_CFG1 : (USB2422L Offset: 0x06) (R/W 8) Configuration Data Byte 1-------- */ typedef union { struct { uint8_t PORT_PWR : 1; uint8_t CURRENT_SNS : 2; uint8_t EOP_DISABLE : 1; uint8_t MTT_ENABLE : 1; uint8_t HS_DISABLE : 1; uint8_t : 1; uint8_t SELF_BUS_PWR : 1; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_CFG1_Type; /* -------- USB2422_CFG2 : (USB2422L Offset: 0x07) (R/W 8) Configuration Data Byte 2-------- */ typedef union { struct { uint8_t : 3; uint8_t COMPOUND : 1; uint8_t OC_TIMER : 2; uint8_t : 1; uint8_t DYNAMIC : 1; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_CFG2_Type; /* -------- USB2422_CFG3 : (USB2422L Offset: 0x08) (R/W 16) Configuration Data Byte 3-------- */ typedef union { struct { uint8_t STRING_EN : 1; uint8_t : 2; uint8_t PRTMAP_EN : 1; uint8_t : 4; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_CFG3_Type; /* -------- USB2422_NRD : (USB2422L Offset: 0x09) (R/W 8) Non Removable Device -------- */ typedef union { struct { uint8_t : 5; uint8_t PORT2_NR : 1; uint8_t PORT1_NR : 1; uint8_t : 1; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_NRD_Type; /* -------- USB2422_PDS : (USB2422L Offset: 0x0A) (R/W 8) Port Diable for Self-Powered Operation -------- */ typedef union { struct { uint8_t : 1; uint8_t PORT1_DIS : 1; uint8_t PORT2_DIS : 1; uint8_t : 5; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_PDS_Type; /* -------- USB2422_PDB : (USB2422L Offset: 0x0B) (R/W 8) Port Diable for Bus-Powered Operation -------- */ typedef union { struct { uint8_t : 1; uint8_t PORT1_DIS : 1; uint8_t PORT2_DIS : 1; uint8_t : 5; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_PDB_Type; /* -------- USB2422_MAXPS : (USB2422L Offset: 0x0C) (R/W 8) Max Power for Self-Powered Operation -------- */ 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; /* -------- USB2422_MAXPB : (USB2422L Offset: 0x0D) (R/W 8) Max Power for Bus-Powered Operation -------- */ 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; /* -------- USB2422_HCMCS : (USB2422L Offset: 0x0E) (R/W 8) Hub Controller Max Current for Self-Powered Operation -------- */ 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; /* -------- USB2422_HCMCB : (USB2422L Offset: 0x0F) (R/W 8) Hub Controller Max Current for Bus-Powered Operation -------- */ 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; /* -------- USB2422_PWRT : (USB2422L Offset: 0x10) (R/W 8) Power On Time -------- */ 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; /* -------- USB2422_LANGID LSB : (USB2422L Offset: 0x11) (R/W 16) Language ID -------- */ 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; /* -------- USB2422_LANGID MSB : (USB2422L Offset: 0x12) (R/W 16) Language ID -------- */ 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; /* -------- USB2422_MFRSL : (USB2422L Offset: 0x13) (R/W 8) Manufacturer String Length -------- */ 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; /* -------- USB2422_PRDSL : (USB2422L Offset: 0x14) (R/W 8) Product String Length -------- */ 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; /* -------- USB2422_SERSL : (USB2422L Offset: 0x15) (R/W 8) Serial String Length -------- */ 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; /* -------- USB2422_MFRSTR : (USB2422L Offset: 0x16-53) (R/W 8) Maufacturer String -------- */ typedef uint16_t USB2422_MFRSTR_Type; /* -------- USB2422_PRDSTR : (USB2422L Offset: 0x54-91) (R/W 8) Product String -------- */ typedef uint16_t USB2422_PRDSTR_Type; /* -------- USB2422_SERSTR : (USB2422L Offset: 0x92-CF) (R/W 8) Serial String -------- */ typedef uint16_t USB2422_SERSTR_Type; /* -------- USB2422_BCEN : (USB2422L Offset: 0xD0) (R/W 8) Battery Charging Enable -------- */ typedef union { struct { uint8_t : 1; uint8_t PORT1_BCE : 1; uint8_t PORT2_BCE : 1; uint8_t : 5; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_BCEN_Type; /* -------- USB2422_BOOSTUP : (USB2422L Offset: 0xF6) (R/W 8) Boost Upstream -------- */ typedef union { struct { uint8_t BOOST : 2; uint8_t : 6; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_BOOSTUP_Type; /* -------- USB2422_BOOSTDOWN : (USB2422L Offset: 0xF8) (R/W 8) Boost Downstream -------- */ typedef union { struct { uint8_t BOOST1 : 2; uint8_t BOOST2 : 2; uint8_t : 4; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_BOOSTDOWN_Type; /* -------- USB2422_PRTSP : (USB2422L Offset: 0xFA) (R/W 8) Port Swap -------- */ typedef union { struct { uint8_t : 1; uint8_t PORT1_SP : 1; uint8_t PORT2_SP : 1; uint8_t : 5; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_PRTSP_Type; /* -------- USB2422_PRTR12 : (USB2422L Offset: 0xFB) (R/W 8) Port 1/2 Remap -------- */ typedef union { struct { uint8_t PORT1_REMAP : 4; uint8_t PORT2_REMAP : 4; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_PRTR12_Type; #define USB2422_PRTR12_DISABLE 0 #define USB2422_PRT12_P2TOL1 1 #define USB2422_PRT12_P2XTOL2 2 #define USB2422_PRT12_P1TOL1 1 #define USB2422_PRT12_P1XTOL2 2 /* -------- USB2422_STCD : (USB2422L Offset: 0xFF) (R/W 8) Status Command -------- */ typedef union { struct { uint8_t USB_ATTACH : 1; uint8_t RESET : 1; uint8_t INTF_PWRDN : 1; uint8_t : 5; } bit; /*!< Structure used for bit access */ uint8_t reg; /*!< Type used for register access */ } USB2422_STCD_Type; /** \brief USB2422 device hardware registers */ typedef struct { USB2422_VID_Type VID; /**< \brief Offset: 0x00*/ USB2422_PID_Type PID; /**< \brief Offset: 0x02*/ USB2422_DID_Type DID; /**< \brief Offset: 0x04*/ USB2422_CFG1_Type CFG1; /**< \brief Offset: 0x06*/ USB2422_CFG2_Type CFG2; /**< \brief Offset: 0x07*/ USB2422_CFG3_Type CFG3; /**< \brief Offset: 0x08*/ USB2422_NRD_Type NRD; /**< \brief Offset: 0x09*/ USB2422_PDS_Type PDS; /**< \brief Offset: 0x0A*/ USB2422_PDB_Type PDB; /**< \brief Offset: 0x0B*/ USB2422_MAXPS_Type MAXPS; /**< \brief Offset: 0x0C*/ USB2422_MAXPB_Type MAXPB; /**< \brief Offset: 0x0D*/ USB2422_HCMCS_Type HCMCS; /**< \brief Offset: 0x0E*/ USB2422_HCMCB_Type HCMCB; /**< \brief Offset: 0x0F*/ USB2422_PWRT_Type PWRT; /**< \brief Offset: 0x10*/ USB2422_LANGID_LSB_Type LANGID_LSB; /**< \brief Offset: 0x11*/ USB2422_LANGID_MSB_Type LANGID_MSB; /**< \brief Offset: 0x12*/ USB2422_MFRSL_Type MFRSL; /**< \brief Offset: 0x13*/ USB2422_PRDSL_Type PRDSL; /**< \brief Offset: 0x14*/ USB2422_SERSL_Type SERSL; /**< \brief Offset: 0x15*/ USB2422_MFRSTR_Type MFRSTR[31]; /**< \brief Offset: 0x16*/ USB2422_PRDSTR_Type PRDSTR[31]; /**< \brief Offset: 0x54*/ USB2422_SERSTR_Type SERSTR[31]; /**< \brief Offset: 0x92*/ USB2422_BCEN_Type BCEN; /**< \brief Offset: 0xD0*/ uint8_t Reserved1[0x25]; USB2422_BOOSTUP_Type BOOSTUP; /**< \brief Offset: 0xF6*/ uint8_t Reserved2[0x1]; USB2422_BOOSTDOWN_Type BOOSTDOWN; /**< \brief Offset: 0xF8*/ uint8_t Reserved3[0x1]; USB2422_PRTSP_Type PRTSP; /**< \brief Offset: 0xFA*/ USB2422_PRTR12_Type PRTR12; /**< \brief Offset: 0xFB*/ uint8_t Reserved4[0x3]; USB2422_STCD_Type STCD; /**< \brief Offset: 0xFF*/ } 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 i2c_init(); // IC2 clk must be high at USB2422 reset release time to signal SMB configuration } void USB2422_configure() { static const char SERNAME[] = "Unavailable"; memset(&config, 0, sizeof(Usb2422_t)); // 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; USB2422_write_block(); } void USB2422_reset() { #ifdef USB2422_RESET_PIN writePinLow(USB2422_RESET_PIN); wait_us(2); writePinHigh(USB2422_RESET_PIN); #endif } bool USB2422_active() { #ifdef USB2422_ACTIVE_PIN return readPin(USB2422_ACTIVE_PIN); #else return 1; #endif }