[PATCH 2/2] usb: gadget: Remove the legacy usbtty driver
Tom Rini
trini at konsulko.com
Thu Feb 27 21:51:01 CET 2025
The lone user of this driver has been removed for some time. Remove this
driver as well.
Signed-off-by: Tom Rini <trini at konsulko.com>
---
Cc: Marek Vasut <marex at denx.de>
Cc: Mattijs Korpershoek <mkorpershoek at baylibre.com>
---
common/stdio.c | 3 -
drivers/serial/Makefile | 3 -
drivers/serial/ns16550.c | 8 +-
drivers/serial/usbtty.c | 983 ---------------------------------------
drivers/serial/usbtty.h | 49 --
include/serial.h | 20 -
include/stdio_dev.h | 1 -
lib/Makefile | 4 -
8 files changed, 2 insertions(+), 1069 deletions(-)
delete mode 100644 drivers/serial/usbtty.c
delete mode 100644 drivers/serial/usbtty.h
diff --git a/common/stdio.c b/common/stdio.c
index a61220ce4b9c..3eeb289dd8bf 100644
--- a/common/stdio.c
+++ b/common/stdio.c
@@ -357,9 +357,6 @@ int stdio_add_devices(void)
drv_system_init();
serial_stdio_init();
-#ifdef CONFIG_USB_TTY
- drv_usbtty_init();
-#endif
#ifdef CONFIG_USB_FUNCTION_ACM
drv_usbacm_init ();
#endif
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index ebe692a99635..2ef8ba20cf52 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -63,7 +63,4 @@ obj-$(CONFIG_XEN_SERIAL) += serial_xen.o
obj-$(CONFIG_XTENSA_SEMIHOSTING_SERIAL) += serial_xtensa_semihosting.o
obj-$(CONFIG_S5P4418_PL011_SERIAL) += serial_s5p4418_pl011.o
-ifndef CONFIG_XPL_BUILD
-obj-$(CONFIG_USB_TTY) += usbtty.o
-endif
obj-$(CONFIG_UART4_SERIAL) += serial_adi_uart4.o
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 0e267d097c53..0cccaaf4b902 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -294,13 +294,9 @@ void ns16550_putc(struct ns16550 *com_port, char c)
#if !CONFIG_IS_ENABLED(NS16550_MIN_FUNCTIONS)
char ns16550_getc(struct ns16550 *com_port)
{
- while ((serial_in(&com_port->lsr) & UART_LSR_DR) == 0) {
-#if !defined(CONFIG_XPL_BUILD) && defined(CONFIG_USB_TTY)
- extern void usbtty_poll(void);
- usbtty_poll();
-#endif
+ while ((serial_in(&com_port->lsr) & UART_LSR_DR) == 0)
schedule();
- }
+
return serial_in(&com_port->rbr);
}
diff --git a/drivers/serial/usbtty.c b/drivers/serial/usbtty.c
deleted file mode 100644
index b7d77fbb6a9c..000000000000
--- a/drivers/serial/usbtty.c
+++ /dev/null
@@ -1,983 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2003
- * Gerry Hamel, geh at ti.com, Texas Instruments
- *
- * (C) Copyright 2006
- * Bryan O'Donoghue, bodonoghue at codehermit.ie
- */
-
-#include <config.h>
-#include <circbuf.h>
-#include <env.h>
-#include <serial.h>
-#include <stdio_dev.h>
-#include <asm/unaligned.h>
-#include "usbtty.h"
-#include "usb_cdc_acm.h"
-#include "usbdescriptors.h"
-
-#ifdef DEBUG
-#define TTYDBG(fmt,args...)\
- serial_printf("[%s] %s %d: "fmt, __FILE__,__FUNCTION__,__LINE__,##args)
-#else
-#define TTYDBG(fmt,args...) do{}while(0)
-#endif
-
-#if 1
-#define TTYERR(fmt,args...)\
- serial_printf("ERROR![%s] %s %d: "fmt, __FILE__,__FUNCTION__,\
- __LINE__,##args)
-#else
-#define TTYERR(fmt,args...) do{}while(0)
-#endif
-
-/*
- * Defines
- */
-#define NUM_CONFIGS 1
-#define MAX_INTERFACES 2
-#define NUM_ENDPOINTS 3
-#define ACM_TX_ENDPOINT 3
-#define ACM_RX_ENDPOINT 2
-#define GSERIAL_TX_ENDPOINT 2
-#define GSERIAL_RX_ENDPOINT 1
-#define NUM_ACM_INTERFACES 2
-#define NUM_GSERIAL_INTERFACES 1
-#define CFG_USBD_DATA_INTERFACE_STR "Bulk Data Interface"
-#define CFG_USBD_CTRL_INTERFACE_STR "Control Interface"
-
-/*
- * Buffers to hold input and output data
- */
-#define USBTTY_BUFFER_SIZE 2048
-static circbuf_t usbtty_input;
-static circbuf_t usbtty_output;
-
-/*
- * Instance variables
- */
-static struct stdio_dev usbttydev;
-static struct usb_device_instance device_instance[1];
-static struct usb_bus_instance bus_instance[1];
-static struct usb_configuration_instance config_instance[NUM_CONFIGS];
-static struct usb_interface_instance interface_instance[MAX_INTERFACES];
-static struct usb_alternate_instance alternate_instance[MAX_INTERFACES];
-/* one extra for control endpoint */
-static struct usb_endpoint_instance endpoint_instance[NUM_ENDPOINTS+1];
-
-/*
- * Global flag
- */
-int usbtty_configured_flag = 0;
-
-/*
- * Serial number
- */
-static char serial_number[16];
-
-/*
- * Descriptors, Strings, Local variables.
- */
-
-/* defined and used by gadget/ep0.c */
-extern struct usb_string_descriptor **usb_strings;
-
-/* Indicies, References */
-static unsigned short rx_endpoint = 0;
-static unsigned short tx_endpoint = 0;
-static unsigned short interface_count = 0;
-static struct usb_string_descriptor *usbtty_string_table[STR_COUNT];
-
-/* USB Descriptor Strings */
-static u8 wstrLang[4] = {4,USB_DT_STRING,0x9,0x4};
-static u8 wstrManufacturer[2 + 2*(sizeof(CONFIG_USBD_MANUFACTURER)-1)];
-static u8 wstrProduct[2 + 2*(sizeof(CONFIG_USBD_PRODUCT_NAME)-1)];
-static u8 wstrSerial[2 + 2*(sizeof(serial_number) - 1)];
-static u8 wstrConfiguration[2 + 2*(sizeof(CFG_USBD_CONFIGURATION_STR)-1)];
-static u8 wstrDataInterface[2 + 2*(sizeof(CFG_USBD_DATA_INTERFACE_STR)-1)];
-static u8 wstrCtrlInterface[2 + 2*(sizeof(CFG_USBD_DATA_INTERFACE_STR)-1)];
-
-/* Standard USB Data Structures */
-static struct usb_interface_descriptor interface_descriptors[MAX_INTERFACES];
-static struct usb_endpoint_descriptor *ep_descriptor_ptrs[NUM_ENDPOINTS];
-static struct usb_configuration_descriptor *configuration_descriptor = 0;
-static struct usb_device_descriptor device_descriptor = {
- .bLength = sizeof(struct usb_device_descriptor),
- .bDescriptorType = USB_DT_DEVICE,
- .bcdUSB = cpu_to_le16(USB_BCD_VERSION),
- .bDeviceSubClass = 0x00,
- .bDeviceProtocol = 0x00,
- .bMaxPacketSize0 = EP0_MAX_PACKET_SIZE,
- .idVendor = cpu_to_le16(CONFIG_USBD_VENDORID),
- .bcdDevice = cpu_to_le16(USBTTY_BCD_DEVICE),
- .iManufacturer = STR_MANUFACTURER,
- .iProduct = STR_PRODUCT,
- .iSerialNumber = STR_SERIAL,
- .bNumConfigurations = NUM_CONFIGS
-};
-
-/*
- * Static CDC ACM specific descriptors
- */
-
-struct acm_config_desc {
- struct usb_configuration_descriptor configuration_desc;
-
- /* Master Interface */
- struct usb_interface_descriptor interface_desc;
-
- struct usb_class_header_function_descriptor usb_class_header;
- struct usb_class_call_management_descriptor usb_class_call_mgt;
- struct usb_class_abstract_control_descriptor usb_class_acm;
- struct usb_class_union_function_descriptor usb_class_union;
- struct usb_endpoint_descriptor notification_endpoint;
-
- /* Slave Interface */
- struct usb_interface_descriptor data_class_interface;
- struct usb_endpoint_descriptor data_endpoints[NUM_ENDPOINTS-1];
-} __attribute__((packed));
-
-static struct acm_config_desc acm_configuration_descriptors[NUM_CONFIGS] = {
- {
- .configuration_desc ={
- .bLength =
- sizeof(struct usb_configuration_descriptor),
- .bDescriptorType = USB_DT_CONFIG,
- .wTotalLength =
- cpu_to_le16(sizeof(struct acm_config_desc)),
- .bNumInterfaces = NUM_ACM_INTERFACES,
- .bConfigurationValue = 1,
- .iConfiguration = STR_CONFIG,
- .bmAttributes =
- BMATTRIBUTE_SELF_POWERED|BMATTRIBUTE_RESERVED,
- .bMaxPower = USBTTY_MAXPOWER
- },
- /* Interface 1 */
- .interface_desc = {
- .bLength = sizeof(struct usb_interface_descriptor),
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 0,
- .bAlternateSetting = 0,
- .bNumEndpoints = 0x01,
- .bInterfaceClass =
- COMMUNICATIONS_INTERFACE_CLASS_CONTROL,
- .bInterfaceSubClass = COMMUNICATIONS_ACM_SUBCLASS,
- .bInterfaceProtocol = COMMUNICATIONS_V25TER_PROTOCOL,
- .iInterface = STR_CTRL_INTERFACE,
- },
- .usb_class_header = {
- .bFunctionLength =
- sizeof(struct usb_class_header_function_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_ST_HEADER,
- .bcdCDC = cpu_to_le16(110),
- },
- .usb_class_call_mgt = {
- .bFunctionLength =
- sizeof(struct usb_class_call_management_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_ST_CMF,
- .bmCapabilities = 0x00,
- .bDataInterface = 0x01,
- },
- .usb_class_acm = {
- .bFunctionLength =
- sizeof(struct usb_class_abstract_control_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_ST_ACMF,
- .bmCapabilities = 0x00,
- },
- .usb_class_union = {
- .bFunctionLength =
- sizeof(struct usb_class_union_function_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_ST_UF,
- .bMasterInterface = 0x00,
- .bSlaveInterface0 = 0x01,
- },
- .notification_endpoint = {
- .bLength =
- sizeof(struct usb_endpoint_descriptor),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = UDC_INT_ENDPOINT | USB_DIR_IN,
- .bmAttributes = USB_ENDPOINT_XFER_INT,
- .wMaxPacketSize
- = cpu_to_le16(CFG_USBD_SERIAL_INT_PKTSIZE),
- .bInterval = 0xFF,
- },
-
- /* Interface 2 */
- .data_class_interface = {
- .bLength =
- sizeof(struct usb_interface_descriptor),
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 0x01,
- .bAlternateSetting = 0x00,
- .bNumEndpoints = 0x02,
- .bInterfaceClass =
- COMMUNICATIONS_INTERFACE_CLASS_DATA,
- .bInterfaceSubClass = DATA_INTERFACE_SUBCLASS_NONE,
- .bInterfaceProtocol = DATA_INTERFACE_PROTOCOL_NONE,
- .iInterface = STR_DATA_INTERFACE,
- },
- .data_endpoints = {
- {
- .bLength =
- sizeof(struct usb_endpoint_descriptor),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = UDC_OUT_ENDPOINT | USB_DIR_OUT,
- .bmAttributes =
- USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize =
- cpu_to_le16(CFG_USBD_SERIAL_BULK_PKTSIZE),
- .bInterval = 0xFF,
- },
- {
- .bLength =
- sizeof(struct usb_endpoint_descriptor),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = UDC_IN_ENDPOINT | USB_DIR_IN,
- .bmAttributes =
- USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize =
- cpu_to_le16(CFG_USBD_SERIAL_BULK_PKTSIZE),
- .bInterval = 0xFF,
- },
- },
- },
-};
-
-static struct rs232_emu rs232_desc={
- .dter = 115200,
- .stop_bits = 0x00,
- .parity = 0x00,
- .data_bits = 0x08
-};
-
-/*
- * Static Generic Serial specific data
- */
-
-struct gserial_config_desc {
-
- struct usb_configuration_descriptor configuration_desc;
- struct usb_interface_descriptor interface_desc[NUM_GSERIAL_INTERFACES];
- struct usb_endpoint_descriptor data_endpoints[NUM_ENDPOINTS];
-
-} __attribute__((packed));
-
-static struct gserial_config_desc
-gserial_configuration_descriptors[NUM_CONFIGS] ={
- {
- .configuration_desc ={
- .bLength = sizeof(struct usb_configuration_descriptor),
- .bDescriptorType = USB_DT_CONFIG,
- .wTotalLength =
- cpu_to_le16(sizeof(struct gserial_config_desc)),
- .bNumInterfaces = NUM_GSERIAL_INTERFACES,
- .bConfigurationValue = 1,
- .iConfiguration = STR_CONFIG,
- .bmAttributes =
- BMATTRIBUTE_SELF_POWERED|BMATTRIBUTE_RESERVED,
- .bMaxPower = USBTTY_MAXPOWER
- },
- .interface_desc = {
- {
- .bLength =
- sizeof(struct usb_interface_descriptor),
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 0,
- .bAlternateSetting = 0,
- .bNumEndpoints = NUM_ENDPOINTS,
- .bInterfaceClass =
- COMMUNICATIONS_INTERFACE_CLASS_VENDOR,
- .bInterfaceSubClass =
- COMMUNICATIONS_NO_SUBCLASS,
- .bInterfaceProtocol =
- COMMUNICATIONS_NO_PROTOCOL,
- .iInterface = STR_DATA_INTERFACE
- },
- },
- .data_endpoints = {
- {
- .bLength =
- sizeof(struct usb_endpoint_descriptor),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = UDC_OUT_ENDPOINT | USB_DIR_OUT,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize =
- cpu_to_le16(CFG_USBD_SERIAL_OUT_PKTSIZE),
- .bInterval= 0xFF,
- },
- {
- .bLength =
- sizeof(struct usb_endpoint_descriptor),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = UDC_IN_ENDPOINT | USB_DIR_IN,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize =
- cpu_to_le16(CFG_USBD_SERIAL_IN_PKTSIZE),
- .bInterval = 0xFF,
- },
- {
- .bLength =
- sizeof(struct usb_endpoint_descriptor),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = UDC_INT_ENDPOINT | USB_DIR_IN,
- .bmAttributes = USB_ENDPOINT_XFER_INT,
- .wMaxPacketSize =
- cpu_to_le16(CFG_USBD_SERIAL_INT_PKTSIZE),
- .bInterval = 0xFF,
- },
- },
- },
-};
-
-/*
- * Static Function Prototypes
- */
-
-static void usbtty_init_strings (void);
-static void usbtty_init_instances (void);
-static void usbtty_init_endpoints (void);
-static void usbtty_init_terminal_type(short type);
-static void usbtty_event_handler (struct usb_device_instance *device,
- usb_device_event_t event, int data);
-static int usbtty_cdc_setup(struct usb_device_request *request,
- struct urb *urb);
-static int usbtty_configured (void);
-static int write_buffer (circbuf_t * buf);
-static int fill_buffer (circbuf_t * buf);
-
-void usbtty_poll (void);
-
-/* utility function for converting char* to wide string used by USB */
-static void str2wide (char *str, u16 * wide)
-{
- int i;
- for (i = 0; i < strlen (str) && str[i]; i++){
- #if defined(__LITTLE_ENDIAN)
- wide[i] = (u16) str[i];
- #elif defined(__BIG_ENDIAN)
- wide[i] = ((u16)(str[i])<<8);
- #else
- #error "__LITTLE_ENDIAN or __BIG_ENDIAN undefined"
- #endif
- }
-}
-
-/*
- * Test whether a character is in the RX buffer
- */
-
-int usbtty_tstc(struct stdio_dev *dev)
-{
- struct usb_endpoint_instance *endpoint =
- &endpoint_instance[rx_endpoint];
-
- /* If no input data exists, allow more RX to be accepted */
- if(usbtty_input.size <= 0){
- udc_unset_nak(endpoint->endpoint_address&0x03);
- }
-
- usbtty_poll ();
- return (usbtty_input.size > 0);
-}
-
-/*
- * Read a single byte from the usb client port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-
-int usbtty_getc(struct stdio_dev *dev)
-{
- char c;
- struct usb_endpoint_instance *endpoint =
- &endpoint_instance[rx_endpoint];
-
- while (usbtty_input.size <= 0) {
- udc_unset_nak(endpoint->endpoint_address&0x03);
- usbtty_poll ();
- }
-
- buf_pop (&usbtty_input, &c, 1);
- udc_set_nak(endpoint->endpoint_address&0x03);
-
- return c;
-}
-
-/*
- * Output a single byte to the usb client port.
- */
-void usbtty_putc(struct stdio_dev *dev, const char c)
-{
- if (!usbtty_configured ())
- return;
-
- /* If \n, also do \r */
- if (c == '\n')
- buf_push (&usbtty_output, "\r", 1);
-
- buf_push(&usbtty_output, &c, 1);
-
- /* Poll at end to handle new data... */
- if ((usbtty_output.size + 2) >= usbtty_output.totalsize) {
- usbtty_poll ();
- }
-}
-
-/* usbtty_puts() helper function for finding the next '\n' in a string */
-static int next_nl_pos (const char *s)
-{
- int i;
-
- for (i = 0; s[i] != '\0'; i++) {
- if (s[i] == '\n')
- return i;
- }
- return i;
-}
-
-/*
- * Output a string to the usb client port - implementing flow control
- */
-
-static void __usbtty_puts (const char *str, int len)
-{
- int maxlen = usbtty_output.totalsize;
- int space, n;
-
- /* break str into chunks < buffer size, if needed */
- while (len > 0) {
- usbtty_poll ();
-
- space = maxlen - usbtty_output.size;
- /* Empty buffer here, if needed, to ensure space... */
- if (space) {
- write_buffer (&usbtty_output);
-
- n = min(space, min(len, maxlen));
- buf_push (&usbtty_output, str, n);
-
- str += n;
- len -= n;
- }
- }
-}
-
-void usbtty_puts(struct stdio_dev *dev, const char *str)
-{
- int n;
- int len;
-
- if (!usbtty_configured ())
- return;
-
- len = strlen (str);
- /* add '\r' for each '\n' */
- while (len > 0) {
- n = next_nl_pos (str);
-
- if (str[n] == '\n') {
- __usbtty_puts(str, n);
- __usbtty_puts("\r\n", 2);
- str += (n + 1);
- len -= (n + 1);
- } else {
- /* No \n found. All done. */
- __usbtty_puts (str, n);
- break;
- }
- }
-
- /* Poll at end to handle new data... */
- usbtty_poll ();
-}
-
-/*
- * Initialize the usb client port.
- *
- */
-int drv_usbtty_init (void)
-{
- int rc;
- char * sn;
- char * tt;
- int snlen;
-
- /* Get serial number */
- sn = env_get("serial#");
- if (!sn)
- sn = "000000000000";
- snlen = strlen(sn);
- if (snlen > sizeof(serial_number) - 1) {
- printf ("Warning: serial number %s is too long (%d > %lu)\n",
- sn, snlen, (ulong)(sizeof(serial_number) - 1));
- snlen = sizeof(serial_number) - 1;
- }
- memcpy (serial_number, sn, snlen);
- serial_number[snlen] = '\0';
-
- /* Decide on which type of UDC device to be.
- */
- tt = env_get("usbtty");
- if (!tt)
- tt = "generic";
- usbtty_init_terminal_type(strcmp(tt,"cdc_acm"));
-
- /* prepare buffers... */
- buf_init (&usbtty_input, USBTTY_BUFFER_SIZE);
- buf_init (&usbtty_output, USBTTY_BUFFER_SIZE);
-
- /* Now, set up USB controller and infrastructure */
- udc_init (); /* Basic USB initialization */
-
- usbtty_init_strings ();
- usbtty_init_instances ();
-
- usbtty_init_endpoints ();
-
- udc_startup_events (device_instance);/* Enable dev, init udc pointers */
- udc_connect (); /* Enable pullup for host detection */
-
- /* Device initialization */
- memset (&usbttydev, 0, sizeof (usbttydev));
-
- strcpy (usbttydev.name, "usbtty");
- usbttydev.ext = 0; /* No extensions */
- usbttydev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_OUTPUT;
- usbttydev.tstc = usbtty_tstc; /* 'tstc' function */
- usbttydev.getc = usbtty_getc; /* 'getc' function */
- usbttydev.putc = usbtty_putc; /* 'putc' function */
- usbttydev.puts = usbtty_puts; /* 'puts' function */
-
- rc = stdio_register (&usbttydev);
-
- return (rc == 0) ? 1 : rc;
-}
-
-static void usbtty_init_strings (void)
-{
- struct usb_string_descriptor *string;
-
- usbtty_string_table[STR_LANG] =
- (struct usb_string_descriptor*)wstrLang;
-
- string = (struct usb_string_descriptor *) wstrManufacturer;
- string->bLength = sizeof(wstrManufacturer);
- string->bDescriptorType = USB_DT_STRING;
- str2wide (CONFIG_USBD_MANUFACTURER, string->wData);
- usbtty_string_table[STR_MANUFACTURER]=string;
-
- string = (struct usb_string_descriptor *) wstrProduct;
- string->bLength = sizeof(wstrProduct);
- string->bDescriptorType = USB_DT_STRING;
- str2wide (CONFIG_USBD_PRODUCT_NAME, string->wData);
- usbtty_string_table[STR_PRODUCT]=string;
-
- string = (struct usb_string_descriptor *) wstrSerial;
- string->bLength = sizeof(serial_number);
- string->bDescriptorType = USB_DT_STRING;
- str2wide (serial_number, string->wData);
- usbtty_string_table[STR_SERIAL]=string;
-
- string = (struct usb_string_descriptor *) wstrConfiguration;
- string->bLength = sizeof(wstrConfiguration);
- string->bDescriptorType = USB_DT_STRING;
- str2wide (CFG_USBD_CONFIGURATION_STR, string->wData);
- usbtty_string_table[STR_CONFIG]=string;
-
- string = (struct usb_string_descriptor *) wstrDataInterface;
- string->bLength = sizeof(wstrDataInterface);
- string->bDescriptorType = USB_DT_STRING;
- str2wide (CFG_USBD_DATA_INTERFACE_STR, string->wData);
- usbtty_string_table[STR_DATA_INTERFACE]=string;
-
- string = (struct usb_string_descriptor *) wstrCtrlInterface;
- string->bLength = sizeof(wstrCtrlInterface);
- string->bDescriptorType = USB_DT_STRING;
- str2wide (CFG_USBD_CTRL_INTERFACE_STR, string->wData);
- usbtty_string_table[STR_CTRL_INTERFACE]=string;
-
- /* Now, initialize the string table for ep0 handling */
- usb_strings = usbtty_string_table;
-}
-
-#define init_wMaxPacketSize(x) le16_to_cpu(get_unaligned(\
- &ep_descriptor_ptrs[(x) - 1]->wMaxPacketSize));
-
-static void usbtty_init_instances (void)
-{
- int i;
-
- /* initialize device instance */
- memset (device_instance, 0, sizeof (struct usb_device_instance));
- device_instance->device_state = STATE_INIT;
- device_instance->device_descriptor = &device_descriptor;
- device_instance->event = usbtty_event_handler;
- device_instance->cdc_recv_setup = usbtty_cdc_setup;
- device_instance->bus = bus_instance;
- device_instance->configurations = NUM_CONFIGS;
- device_instance->configuration_instance_array = config_instance;
-
- /* initialize bus instance */
- memset (bus_instance, 0, sizeof (struct usb_bus_instance));
- bus_instance->device = device_instance;
- bus_instance->endpoint_array = endpoint_instance;
- bus_instance->max_endpoints = 1;
- bus_instance->maxpacketsize = 64;
- bus_instance->serial_number_str = serial_number;
-
- /* configuration instance */
- memset (config_instance, 0,
- sizeof (struct usb_configuration_instance));
- config_instance->interfaces = interface_count;
- config_instance->configuration_descriptor = configuration_descriptor;
- config_instance->interface_instance_array = interface_instance;
-
- /* interface instance */
- memset (interface_instance, 0,
- sizeof (struct usb_interface_instance));
- interface_instance->alternates = 1;
- interface_instance->alternates_instance_array = alternate_instance;
-
- /* alternates instance */
- memset (alternate_instance, 0,
- sizeof (struct usb_alternate_instance));
- alternate_instance->interface_descriptor = interface_descriptors;
- alternate_instance->endpoints = NUM_ENDPOINTS;
- alternate_instance->endpoints_descriptor_array = ep_descriptor_ptrs;
-
- /* endpoint instances */
- memset (&endpoint_instance[0], 0,
- sizeof (struct usb_endpoint_instance));
- endpoint_instance[0].endpoint_address = 0;
- endpoint_instance[0].rcv_packetSize = EP0_MAX_PACKET_SIZE;
- endpoint_instance[0].rcv_attributes = USB_ENDPOINT_XFER_CONTROL;
- endpoint_instance[0].tx_packetSize = EP0_MAX_PACKET_SIZE;
- endpoint_instance[0].tx_attributes = USB_ENDPOINT_XFER_CONTROL;
- udc_setup_ep (device_instance, 0, &endpoint_instance[0]);
-
- for (i = 1; i <= NUM_ENDPOINTS; i++) {
- memset (&endpoint_instance[i], 0,
- sizeof (struct usb_endpoint_instance));
-
- endpoint_instance[i].endpoint_address =
- ep_descriptor_ptrs[i - 1]->bEndpointAddress;
-
- endpoint_instance[i].rcv_attributes =
- ep_descriptor_ptrs[i - 1]->bmAttributes;
-
- endpoint_instance[i].rcv_packetSize = init_wMaxPacketSize(i);
-
- endpoint_instance[i].tx_attributes =
- ep_descriptor_ptrs[i - 1]->bmAttributes;
-
- endpoint_instance[i].tx_packetSize = init_wMaxPacketSize(i);
-
- endpoint_instance[i].tx_attributes =
- ep_descriptor_ptrs[i - 1]->bmAttributes;
-
- urb_link_init (&endpoint_instance[i].rcv);
- urb_link_init (&endpoint_instance[i].rdy);
- urb_link_init (&endpoint_instance[i].tx);
- urb_link_init (&endpoint_instance[i].done);
-
- if (endpoint_instance[i].endpoint_address & USB_DIR_IN)
- endpoint_instance[i].tx_urb =
- usbd_alloc_urb (device_instance,
- &endpoint_instance[i]);
- else
- endpoint_instance[i].rcv_urb =
- usbd_alloc_urb (device_instance,
- &endpoint_instance[i]);
- }
-}
-
-static void usbtty_init_endpoints (void)
-{
- int i;
-
- bus_instance->max_endpoints = NUM_ENDPOINTS + 1;
- for (i = 1; i <= NUM_ENDPOINTS; i++) {
- udc_setup_ep (device_instance, i, &endpoint_instance[i]);
- }
-}
-
-/* usbtty_init_terminal_type
- *
- * Do some late binding for our device type.
- */
-static void usbtty_init_terminal_type(short type)
-{
- switch(type){
- /* CDC ACM */
- case 0:
- /* Assign endpoint descriptors */
- ep_descriptor_ptrs[0] =
- &acm_configuration_descriptors[0].notification_endpoint;
- ep_descriptor_ptrs[1] =
- &acm_configuration_descriptors[0].data_endpoints[0];
- ep_descriptor_ptrs[2] =
- &acm_configuration_descriptors[0].data_endpoints[1];
-
- /* Enumerate Device Descriptor */
- device_descriptor.bDeviceClass =
- COMMUNICATIONS_DEVICE_CLASS;
- device_descriptor.idProduct =
- cpu_to_le16(CONFIG_USBD_PRODUCTID_CDCACM);
-
- /* Assign endpoint indices */
- tx_endpoint = ACM_TX_ENDPOINT;
- rx_endpoint = ACM_RX_ENDPOINT;
-
- /* Configuration Descriptor */
- configuration_descriptor =
- (struct usb_configuration_descriptor*)
- &acm_configuration_descriptors;
-
- /* Interface count */
- interface_count = NUM_ACM_INTERFACES;
- break;
-
- /* BULK IN/OUT & Default */
- case 1:
- default:
- /* Assign endpoint descriptors */
- ep_descriptor_ptrs[0] =
- &gserial_configuration_descriptors[0].data_endpoints[0];
- ep_descriptor_ptrs[1] =
- &gserial_configuration_descriptors[0].data_endpoints[1];
- ep_descriptor_ptrs[2] =
- &gserial_configuration_descriptors[0].data_endpoints[2];
-
- /* Enumerate Device Descriptor */
- device_descriptor.bDeviceClass = 0xFF;
- device_descriptor.idProduct =
- cpu_to_le16(CONFIG_USBD_PRODUCTID_GSERIAL);
- /* Assign endpoint indices */
- tx_endpoint = GSERIAL_TX_ENDPOINT;
- rx_endpoint = GSERIAL_RX_ENDPOINT;
-
- /* Configuration Descriptor */
- configuration_descriptor =
- (struct usb_configuration_descriptor*)
- &gserial_configuration_descriptors;
-
- /* Interface count */
- interface_count = NUM_GSERIAL_INTERFACES;
- break;
- }
-}
-
-/******************************************************************************/
-
-static struct urb *next_urb (struct usb_device_instance *device,
- struct usb_endpoint_instance *endpoint)
-{
- struct urb *current_urb = NULL;
- int space;
-
- /* If there's a queue, then we should add to the last urb */
- if (!endpoint->tx_queue) {
- current_urb = endpoint->tx_urb;
- } else {
- /* Last urb from tx chain */
- current_urb =
- p2surround (struct urb, link, endpoint->tx.prev);
- }
-
- /* Make sure this one has enough room */
- space = current_urb->buffer_length - current_urb->actual_length;
- if (space > 0) {
- return current_urb;
- } else { /* No space here */
- /* First look at done list */
- current_urb = first_urb_detached (&endpoint->done);
- if (!current_urb) {
- current_urb = usbd_alloc_urb (device, endpoint);
- }
-
- urb_append (&endpoint->tx, current_urb);
- endpoint->tx_queue++;
- }
- return current_urb;
-}
-
-static int write_buffer (circbuf_t * buf)
-{
- if (!usbtty_configured ()) {
- return 0;
- }
-
- struct usb_endpoint_instance *endpoint =
- &endpoint_instance[tx_endpoint];
- struct urb *current_urb = NULL;
-
- /* TX data still exists - send it now
- */
- if(endpoint->sent < endpoint->tx_urb->actual_length){
- if(udc_endpoint_write (endpoint)){
- /* Write pre-empted by RX */
- return -1;
- }
- }
-
- if (buf->size) {
- char *dest;
-
- int space_avail;
- int popnum, popped;
- int total = 0;
-
- /* Break buffer into urb sized pieces,
- * and link each to the endpoint
- */
- while (buf->size > 0) {
-
- current_urb = next_urb (device_instance, endpoint);
-
- dest = (char*)current_urb->buffer +
- current_urb->actual_length;
-
- space_avail =
- current_urb->buffer_length -
- current_urb->actual_length;
- popnum = min(space_avail, (int)buf->size);
- if (popnum == 0)
- break;
-
- popped = buf_pop (buf, dest, popnum);
- if (popped == 0)
- break;
- current_urb->actual_length += popped;
- total += popped;
-
- /* If endpoint->last == 0, then transfers have
- * not started on this endpoint
- */
- if (endpoint->last == 0) {
- if(udc_endpoint_write (endpoint)){
- /* Write pre-empted by RX */
- return -1;
- }
- }
-
- }/* end while */
- return total;
- }
-
- return 0;
-}
-
-static int fill_buffer (circbuf_t * buf)
-{
- struct usb_endpoint_instance *endpoint =
- &endpoint_instance[rx_endpoint];
-
- if (endpoint->rcv_urb && endpoint->rcv_urb->actual_length) {
- unsigned int nb = 0;
- char *src = (char *) endpoint->rcv_urb->buffer;
- unsigned int rx_avail = buf->totalsize - buf->size;
-
- if(rx_avail >= endpoint->rcv_urb->actual_length){
-
- nb = endpoint->rcv_urb->actual_length;
- buf_push (buf, src, nb);
- endpoint->rcv_urb->actual_length = 0;
-
- }
- return nb;
- }
- return 0;
-}
-
-static int usbtty_configured (void)
-{
- return usbtty_configured_flag;
-}
-
-/******************************************************************************/
-
-static void usbtty_event_handler (struct usb_device_instance *device,
- usb_device_event_t event, int data)
-{
- switch (event) {
- case DEVICE_RESET:
- case DEVICE_BUS_INACTIVE:
- usbtty_configured_flag = 0;
- break;
- case DEVICE_CONFIGURED:
- usbtty_configured_flag = 1;
- break;
-
- case DEVICE_ADDRESS_ASSIGNED:
- usbtty_init_endpoints ();
-
- default:
- break;
- }
-}
-
-/******************************************************************************/
-
-int usbtty_cdc_setup(struct usb_device_request *request, struct urb *urb)
-{
- switch (request->bRequest){
-
- case ACM_SET_CONTROL_LINE_STATE: /* Implies DTE ready */
- break;
- case ACM_SEND_ENCAPSULATED_COMMAND : /* Required */
- break;
- case ACM_SET_LINE_ENCODING : /* DTE stop/parity bits
- * per character */
- break;
- case ACM_GET_ENCAPSULATED_RESPONSE : /* request response */
- break;
- case ACM_GET_LINE_ENCODING : /* request DTE rate,
- * stop/parity bits */
- memcpy (urb->buffer , &rs232_desc, sizeof(rs232_desc));
- urb->actual_length = sizeof(rs232_desc);
-
- break;
- default:
- return 1;
- }
- return 0;
-}
-
-/******************************************************************************/
-
-/*
- * Since interrupt handling has not yet been implemented, we use this function
- * to handle polling. This is called by the tstc,getc,putc,puts routines to
- * update the USB state.
- */
-void usbtty_poll (void)
-{
- /* New interrupts? */
- udc_irq();
-
- /* Write any output data to host buffer
- * (do this before checking interrupts to avoid missing one)
- */
- if (usbtty_configured ()) {
- write_buffer (&usbtty_output);
- }
-
- /* New interrupts? */
- udc_irq();
-
- /* Check for new data from host..
- * (do this after checking interrupts to get latest data)
- */
- if (usbtty_configured ()) {
- fill_buffer (&usbtty_input);
- }
-
- /* New interrupts? */
- udc_irq();
-
-}
diff --git a/drivers/serial/usbtty.h b/drivers/serial/usbtty.h
deleted file mode 100644
index b176a7961b8f..000000000000
--- a/drivers/serial/usbtty.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * (C) Copyright 2003
- * Gerry Hamel, geh at ti.com, Texas Instruments
- *
- * (C) Copyright 2006
- * Bryan O'Donoghue, bodonoghue at codehermit.ie, CodeHermit
- */
-
-#ifndef __USB_TTY_H__
-#define __USB_TTY_H__
-
-#include <usbdevice.h>
-#if defined(CONFIG_PPC)
-#include <usb/mpc8xx_udc.h>
-#elif defined(CONFIG_CI_UDC)
-#include <usb/ci_udc.h>
-#endif
-
-#include <usb/udc.h>
-#include <version.h>
-
-#ifndef CFG_USBD_CONFIGURATION_STR
-#define CFG_USBD_CONFIGURATION_STR "TTY via USB"
-#endif
-
-#define CFG_USBD_SERIAL_OUT_ENDPOINT UDC_OUT_ENDPOINT
-#define CFG_USBD_SERIAL_OUT_PKTSIZE UDC_OUT_PACKET_SIZE
-#define CFG_USBD_SERIAL_IN_ENDPOINT UDC_IN_ENDPOINT
-#define CFG_USBD_SERIAL_IN_PKTSIZE UDC_IN_PACKET_SIZE
-#define CFG_USBD_SERIAL_INT_ENDPOINT UDC_INT_ENDPOINT
-#define CFG_USBD_SERIAL_INT_PKTSIZE UDC_INT_PACKET_SIZE
-#define CFG_USBD_SERIAL_BULK_PKTSIZE UDC_BULK_PACKET_SIZE
-
-#define USBTTY_DEVICE_CLASS COMMUNICATIONS_DEVICE_CLASS
-
-#define USBTTY_BCD_DEVICE 0x00
-#define USBTTY_MAXPOWER 0x00
-
-#define STR_LANG 0x00
-#define STR_MANUFACTURER 0x01
-#define STR_PRODUCT 0x02
-#define STR_SERIAL 0x03
-#define STR_CONFIG 0x04
-#define STR_DATA_INTERFACE 0x05
-#define STR_CTRL_INTERFACE 0x06
-#define STR_COUNT 0x07
-
-#endif
diff --git a/include/serial.h b/include/serial.h
index e5f6d984d28b..0a707ca730d6 100644
--- a/include/serial.h
+++ b/include/serial.h
@@ -48,26 +48,6 @@ extern int serial_assign(const char *name);
extern void serial_reinit_all(void);
int serial_initialize(void);
-/* For usbtty */
-#ifdef CONFIG_USB_TTY
-
-struct stdio_dev;
-
-int usbtty_getc(struct stdio_dev *dev);
-void usbtty_putc(struct stdio_dev *dev, const char c);
-void usbtty_puts(struct stdio_dev *dev, const char *str);
-int usbtty_tstc(struct stdio_dev *dev);
-
-#else
-
-/* stubs */
-#define usbtty_getc(dev) 0
-#define usbtty_putc(dev, a)
-#define usbtty_puts(dev, a)
-#define usbtty_tstc(dev) 0
-
-#endif /* CONFIG_USB_TTY */
-
struct udevice;
enum serial_par {
diff --git a/include/stdio_dev.h b/include/stdio_dev.h
index 4e3c4708f807..f7f9c10199ee 100644
--- a/include/stdio_dev.h
+++ b/include/stdio_dev.h
@@ -101,7 +101,6 @@ struct stdio_dev *stdio_clone(struct stdio_dev *dev);
int drv_lcd_init(void);
int drv_video_init(void);
int drv_keyboard_init(void);
-int drv_usbtty_init(void);
int drv_usbacm_init(void);
int drv_nc_init(void);
int drv_jtag_console_init(void);
diff --git a/lib/Makefile b/lib/Makefile
index a7bc2f3134a7..a30ce1595d5d 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -28,11 +28,7 @@ obj-y += charset.o
endif
endif
-ifdef CONFIG_USB_TTY
-obj-y += circbuf.o
-else
obj-$(CONFIG_CIRCBUF) += circbuf.o
-endif
obj-y += crc8.o
obj-$(CONFIG_ERRNO_STR) += errno_str.o
--
2.43.0
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