From 16c8d5e76ae0f78f39a60608574adfe0feb9cc70 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Wed, 14 Jun 2006 17:45:53 +0200 Subject: Various USB related patches - Add support for mpc8xx USB device. - Add support for Common Device Class - Abstract Control Model USB console. - Add support for flow control in USB slave devices. - Add support for switching between gserial and cdc_acm using environment. - Minor changes to usbdcore_omap1510.c usbdcore_omap1510.h - Update usbcore slightly to ease host enumeration. - Fix non-portable endian problems in usbdcore and usbdcore_ep0. - Add AdderUSB_config as a defconfig to enable usage of the USB console by default with the Adder87x U-Boot port. Patches by Bryan O'Donoghue , 29 May 2006 --- include/configs/AdderUSB.h | 51 +++++++++++ include/usb_cdc_acm.h | 43 +++++++++ include/usbdcore.h | 3 + include/usbdcore_mpc8xx.h | 210 ++++++++++++++++++++++++++++++++++++++++++++ include/usbdcore_omap1510.h | 18 +++- include/usbdescriptors.h | 38 +++++--- 6 files changed, 345 insertions(+), 18 deletions(-) create mode 100644 include/configs/AdderUSB.h create mode 100644 include/usb_cdc_acm.h create mode 100644 include/usbdcore_mpc8xx.h (limited to 'include') diff --git a/include/configs/AdderUSB.h b/include/configs/AdderUSB.h new file mode 100644 index 0000000..2112e56 --- /dev/null +++ b/include/configs/AdderUSB.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2006 CodeHermit. + * Bryan O'Donoghue + * + * Provides support for USB console on the Analogue & Micro Adder87x + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __ADDERUSB__ +#define __ADDERUSB__ + +/* Include the board port */ +#include "Adder.h" + +#define CONFIG_USB_DEVICE /* Include UDC driver */ +#define CONFIG_USB_TTY /* Bind the TTY driver to UDC */ +#define CFG_USB_EXTC_CLK 0x02 /* Oscillator on EXTC_CLK 2 */ +#define CFG_USB_BRG_CLK 0x04 /* or use Baud rate generator 0x04 */ +#define CFG_CONSOLE_IS_IN_ENV /* Console is in env */ + +/* If you have a USB-IF assigned VendorID then you may wish to define + * your own vendor specific values either in BoardName.h or directly in + * usbd_vendor_info.h + */ + +/* +#define CONFIG_USBD_MANUFACTURER "CodeHermit.ie" +#define CONFIG_USBD_PRODUCT_NAME "Das U-Boot" +#define CONFIG_USBD_VENDORID 0xFFFF +#define CONFIG_USBD_PRODUCTID_GSERIAL 0xFFFF +#define CONFIG_USBD_PRODUCTID_CDCACM 0xFFFE +*/ + +#endif /* __ADDERUSB_H__ */ diff --git a/include/usb_cdc_acm.h b/include/usb_cdc_acm.h new file mode 100644 index 0000000..8cb1654 --- /dev/null +++ b/include/usb_cdc_acm.h @@ -0,0 +1,43 @@ +/* + * (C) Copyright 2006 + * Bryan O'Donoghue, deckard@codehermit.ie, CodeHermit + * + * 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, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* ACM Control Requests */ +#define ACM_SEND_ENCAPSULATED_COMMAND 0x00 +#define ACM_GET_ENCAPSULATED_RESPONSE 0x01 +#define ACM_SET_COMM_FEATURE 0x02 +#define ACM_GET_COMM_FEATRUE 0x03 +#define ACM_CLEAR_COMM_FEATURE 0x04 +#define ACM_SET_LINE_ENCODING 0x20 +#define ACM_GET_LINE_ENCODING 0x21 +#define ACM_SET_CONTROL_LINE_STATE 0x22 +#define ACM_SEND_BREAK 0x23 + +/* ACM Notification Codes */ +#define ACM_NETWORK_CONNECTION 0x00 +#define ACM_RESPONSE_AVAILABLE 0x01 +#define ACM_SERIAL_STATE 0x20 + +/* Format of response expected by a ACM_GET_LINE_ENCODING request */ +struct rs232_emu{ + unsigned long dter; + unsigned char stop_bits; + unsigned char parity; + unsigned char data_bits; +}__attribute__((packed)); diff --git a/include/usbdcore.h b/include/usbdcore.h index 6e92df1..cb2be72 100644 --- a/include/usbdcore.h +++ b/include/usbdcore.h @@ -576,6 +576,9 @@ struct usb_device_instance { void (*event) (struct usb_device_instance *device, usb_device_event_t event, int data); + /* Do cdc device specific control requests */ + int (*cdc_recv_setup)(struct usb_device_request *request, struct urb *urb); + /* bus interface */ struct usb_bus_instance *bus; /* which bus interface driver */ diff --git a/include/usbdcore_mpc8xx.h b/include/usbdcore_mpc8xx.h new file mode 100644 index 0000000..e54acd9 --- /dev/null +++ b/include/usbdcore_mpc8xx.h @@ -0,0 +1,210 @@ +/* + * Copyright (C) 2006 Bryan O'Donoghue, CodeHermit + * bodonoghue@codehermit.ie + * + * + * 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, write to the + * Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include + +/* Mode Register */ +#define USMOD_EN 0x01 +#define USMOD_HOST 0x02 +#define USMOD_TEST 0x04 +#define USMOD_SFTE 0x08 +#define USMOD_RESUME 0x40 +#define USMOD_LSS 0x80 + +/* Endpoint Registers */ +#define USEP_RHS_NORM 0x00 +#define USEP_RHS_IGNORE 0x01 +#define USEP_RHS_NAK 0x02 +#define USEP_RHS_STALL 0x03 + +#define USEP_THS_NORM 0x00 +#define USEP_THS_IGNORE 0x04 +#define USEP_THS_NAK 0x08 +#define USEP_THS_STALL 0x0C + +#define USEP_RTE 0x10 +#define USEP_MF 0x20 + +#define USEP_TM_CONTROL 0x00 +#define USEP_TM_INT 0x100 +#define USEP_TM_BULK 0x200 +#define USEP_TM_ISO 0x300 + +/* Command Register */ +#define USCOM_EP0 0x00 +#define USCOM_EP1 0x01 +#define USCOM_EP2 0x02 +#define USCOM_EP3 0x03 + +#define USCOM_FLUSH 0x40 +#define USCOM_STR 0x80 + +/* Event Register */ +#define USB_E_RXB 0x0001 +#define USB_E_TXB 0x0002 +#define USB_E_BSY 0x0004 +#define USB_E_SOF 0x0008 +#define USB_E_TXE1 0x0010 +#define USB_E_TXE2 0x0020 +#define USB_E_TXE3 0x0040 +#define USB_E_TXE4 0x0080 +#define USB_TX_ERRMASK (USB_E_TXE1|USB_E_TXE2|USB_E_TXE3|USB_E_TXE4) +#define USB_E_IDLE 0x0100 +#define USB_E_RESET 0x0200 + +/* Mask Register */ +#define USBS_IDLE 0x01 + +/* RX Buffer Descriptor */ +#define RX_BD_OV 0x02 +#define RX_BD_CR 0x04 +#define RX_BD_AB 0x08 +#define RX_BD_NO 0x10 +#define RX_BD_PID_DATA0 0x00 +#define RX_BD_PID_DATA1 0x40 +#define RX_BD_PID_SETUP 0x80 +#define RX_BD_F 0x400 +#define RX_BD_L 0x800 +#define RX_BD_I 0x1000 +#define RX_BD_W 0x2000 +#define RX_BD_E 0x8000 + +/* Useful masks */ +#define RX_BD_PID_BITMASK (RX_BD_PID_DATA1 | RX_BD_PID_SETUP) +#define STALL_BITMASK (USEP_THS_STALL | USEP_RHS_STALL) +#define NAK_BITMASK (USEP_THS_NAK | USEP_RHS_NAK) +#define CBD_TX_BITMASK (TX_BD_R | TX_BD_L | TX_BD_TC | TX_BD_I | TX_BD_CNF) + +/* TX Buffer Descriptor */ +#define TX_BD_UN 0x02 +#define TX_BD_TO 0x04 +#define TX_BD_NO_PID 0x00 +#define TX_BD_PID_DATA0 0x80 +#define TX_BD_PID_DATA1 0xC0 +#define TX_BD_CNF 0x200 +#define TX_BD_TC 0x400 +#define TX_BD_L 0x800 +#define TX_BD_I 0x1000 +#define TX_BD_W 0x2000 +#define TX_BD_R 0x8000 + +/* Implementation specific defines */ + +#define EP_MIN_PACKET_SIZE 0x08 +#define MAX_ENDPOINTS 0x04 +#define FIFO_SIZE 0x10 +#define EP_MAX_PKT FIFO_SIZE +#define TX_RING_SIZE 0x04 +#define RX_RING_SIZE 0x06 +#define USB_MAX_PKT 0x40 +#define TOGGLE_TX_PID(x) x= ((~x)&0x40)|0x80 +#define TOGGLE_RX_PID(x) x^= 0x40 +#define EP_ATTACHED 0x01 /* Endpoint has a urb attached or not */ +#define EP_SEND_ZLP 0x02 /* Send ZLP y/n ? */ + +#define PROFF_USB 0x00000000 +#define CPM_USB_BASE 0x00000A00 + +/* UDC device defines */ +#define EP0_MAX_PACKET_SIZE EP_MAX_PKT +#define UDC_OUT_ENDPOINT 0x02 +#define UDC_OUT_PACKET_SIZE EP_MIN_PACKET_SIZE +#define UDC_IN_ENDPOINT 0x03 +#define UDC_IN_PACKET_SIZE EP_MIN_PACKET_SIZE +#define UDC_INT_ENDPOINT 0x01 +#define UDC_INT_PACKET_SIZE UDC_IN_PACKET_SIZE +#define UDC_BULK_PACKET_SIZE EP_MIN_PACKET_SIZE + +struct mpc8xx_ep { + struct urb * urb; + unsigned char pid; + unsigned char sc; + volatile cbd_t * prx; +}; + +typedef struct mpc8xx_usb{ + char usmod; /* Mode Register */ + char usaddr; /* Slave Address Register */ + char uscom; /* Command Register */ + char res1; /* Reserved */ + ushort usep[4]; + ulong res2; /* Reserved */ + ushort usber; /* Event Register */ + ushort res3; /* Reserved */ + ushort usbmr; /* Mask Register */ + char res4; /* Reserved */ + char usbs; /* Status Register */ + char res5[8]; /* Reserved */ +}usb_t; + +typedef struct mpc8xx_parameter_ram{ + ushort ep0ptr; /* Endpoint Pointer Register 0 */ + ushort ep1ptr; /* Endpoint Pointer Register 1 */ + ushort ep2ptr; /* Endpoint Pointer Register 2 */ + ushort ep3ptr; /* Endpoint Pointer Register 3 */ + uint rstate; /* Receive state */ + uint rptr; /* Receive internal data pointer */ + ushort frame_n; /* Frame number */ + ushort rbcnt; /* Receive byte count */ + uint rtemp; /* Receive temp cp use only */ + uint rxusb; /* Rx Data Temp */ + ushort rxuptr; /* Rx microcode return address temp */ +}usb_pram_t; + +typedef struct endpoint_parameter_block_pointer{ + ushort rbase; /* RxBD base address */ + ushort tbase; /* TxBD base address */ + char rfcr; /* Rx Function code */ + char tfcr; /* Tx Function code */ + ushort mrblr; /* Maximum Receive Buffer Length */ + ushort rbptr; /* RxBD pointer Next Buffer Descriptor */ + ushort tbptr; /* TxBD pointer Next Buffer Descriptor */ + ulong tstate; /* Transmit internal state */ + ulong tptr; /* Transmit internal data pointer */ + ushort tcrc; /* Transmit temp CRC */ + ushort tbcnt; /* Transmit internal bye count */ + ulong ttemp; /* Tx temp */ + ushort txuptr; /* Tx microcode return address */ + ushort res1; /* Reserved */ +}usb_epb_t; + +typedef enum mpc8xx_udc_state{ + STATE_NOT_READY, + STATE_ERROR, + STATE_READY, +}mpc8xx_udc_state_t; + +/* Declarations */ +int udc_init(void); +void udc_irq(void); +int udc_endpoint_write(struct usb_endpoint_instance *endpoint); +void udc_setup_ep(struct usb_device_instance *device, unsigned int ep, + struct usb_endpoint_instance *endpoint); +void udc_connect(void); +void udc_disconnect(void); +void udc_enable(struct usb_device_instance *device); +void udc_disable(void); +void udc_startup_events(struct usb_device_instance *device); + +/* Flow control */ +void udc_set_nak(int epid); +void udc_unset_nak (int epid); diff --git a/include/usbdcore_omap1510.h b/include/usbdcore_omap1510.h index 6ea3331..526fcd9 100644 --- a/include/usbdcore_omap1510.h +++ b/include/usbdcore_omap1510.h @@ -161,10 +161,20 @@ #define UDC_VBUS_CTRL (1 << 19) #define UDC_VBUS_MODE (1 << 18) - -void omap1510_udc_irq(void); -void omap1510_udc_noniso_irq(void); - +/* OMAP Endpoint parameters */ +#define EP0_MAX_PACKET_SIZE 64 +#define UDC_OUT_ENDPOINT 2 +#define UDC_OUT_PACKET_SIZE 64 +#define UDC_IN_ENDPOINT 1 +#define UDC_IN_PACKET_SIZE 64 +#define UDC_INT_ENDPOINT 5 +#define UDC_INT_PKTSIZE 16 +#define UDC_BULK_PKTSIZE 16 + +void udc_irq (void); +/* Flow control */ +void udc_set_nak(int epid); +void udc_unset_nak (int epid); /* Higher level functions for abstracting away from specific device */ void udc_endpoint_write(struct usb_endpoint_instance *endpoint); diff --git a/include/usbdescriptors.h b/include/usbdescriptors.h index 2d9f739..8336c18 100644 --- a/include/usbdescriptors.h +++ b/include/usbdescriptors.h @@ -92,33 +92,42 @@ #define COMMUNICATIONS_DEVICE_CLASS 0x02 /* c.f. CDC 4.2 Table 15 */ -#define COMMUNICATIONS_INTERFACE_CLASS 0x02 +#define COMMUNICATIONS_INTERFACE_CLASS_CONTROL 0x02 +#define COMMUNICATIONS_INTERFACE_CLASS_DATA 0x0A +#define COMMUNICATIONS_INTERFACE_CLASS_VENDOR 0x0FF /* c.f. CDC 4.3 Table 16 */ -#define COMMUNICATIONS_NO_SUBCLASS 0x00 +#define COMMUNICATIONS_NO_SUBCLASS 0x00 #define COMMUNICATIONS_DLCM_SUBCLASS 0x01 -#define COMMUNICATIONS_ACM_SUBCLASS 0x02 -#define COMMUNICATIONS_TCM_SUBCLASS 0x03 +#define COMMUNICATIONS_ACM_SUBCLASS 0x02 +#define COMMUNICATIONS_TCM_SUBCLASS 0x03 #define COMMUNICATIONS_MCCM_SUBCLASS 0x04 -#define COMMUNICATIONS_CCM_SUBCLASS 0x05 +#define COMMUNICATIONS_CCM_SUBCLASS 0x05 #define COMMUNICATIONS_ENCM_SUBCLASS 0x06 #define COMMUNICATIONS_ANCM_SUBCLASS 0x07 /* c.f. WMCD 5.1 */ #define COMMUNICATIONS_WHCM_SUBCLASS 0x08 -#define COMMUNICATIONS_DMM_SUBCLASS 0x09 +#define COMMUNICATIONS_DMM_SUBCLASS 0x09 #define COMMUNICATIONS_MDLM_SUBCLASS 0x0a #define COMMUNICATIONS_OBEX_SUBCLASS 0x0b -/* c.f. CDC 4.6 Table 18 */ +/* c.f. CDC 4.4 Table 17 */ +#define COMMUNICATIONS_NO_PROTOCOL 0x00 +#define COMMUNICATIONS_V25TER_PROTOCOL 0x01 /*Common AT Hayes compatible*/ + +/* c.f. CDC 4.5 Table 18 */ #define DATA_INTERFACE_CLASS 0x0a +/* c.f. CDC 4.6 No Table */ +#define DATA_INTERFACE_SUBCLASS_NONE 0x00 /* No subclass pertinent */ + /* c.f. CDC 4.7 Table 19 */ -#define COMMUNICATIONS_NO_PROTOCOL 0x00 +#define DATA_INTERFACE_PROTOCOL_NONE 0x00 /* No class protcol required */ /* c.f. CDC 5.2.3 Table 24 */ -#define CS_INTERFACE 0x24 +#define CS_INTERFACE 0x24 #define CS_ENDPOINT 0x25 /* @@ -128,7 +137,7 @@ * c.f. WMCD 5.3 Table 5.3 */ -#define USB_ST_HEADER 0x00 +#define USB_ST_HEADER 0x00 #define USB_ST_CMF 0x01 #define USB_ST_ACMF 0x02 #define USB_ST_DLMF 0x03 @@ -137,18 +146,18 @@ #define USB_ST_UF 0x06 #define USB_ST_CSF 0x07 #define USB_ST_TOMF 0x08 -#define USB_ST_USBTF 0x09 +#define USB_ST_USBTF 0x09 #define USB_ST_NCT 0x0a #define USB_ST_PUF 0x0b #define USB_ST_EUF 0x0c #define USB_ST_MCMF 0x0d #define USB_ST_CCMF 0x0e #define USB_ST_ENF 0x0f -#define USB_ST_ATMNF 0x10 +#define USB_ST_ATMNF 0x10 #define USB_ST_WHCM 0x11 #define USB_ST_MDLM 0x12 -#define USB_ST_MDLMD 0x13 +#define USB_ST_MDLMD 0x13 #define USB_ST_DMM 0x14 #define USB_ST_OBEX 0x15 #define USB_ST_CS 0x16 @@ -312,7 +321,8 @@ struct usb_class_union_function_descriptor { u8 bDescriptorType; u8 bDescriptorSubtype; /* 0x06 */ u8 bMasterInterface; - u8 bSlaveInterface0[0]; + //u8 bSlaveInterface0[0]; + u8 bSlaveInterface0; } __attribute__ ((packed)); struct usb_class_country_selection_descriptor { -- cgit v1.1