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1e94b46f73
This old patch was marked as deferred. Bring it back to life, to continue towards the removal of common.h Move this out of the common header and include it only where needed. Signed-off-by: Simon Glass <sjg@chromium.org>
120 lines
2.7 KiB
C
120 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Provides code common for host and device side USB.
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*
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* (C) Copyright 2016
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* Texas Instruments Incorporated, <www.ti.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <asm/global_data.h>
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#include <linux/printk.h>
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#include <linux/usb/otg.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb/phy.h>
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DECLARE_GLOBAL_DATA_PTR;
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static const char *const usb_dr_modes[] = {
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[USB_DR_MODE_UNKNOWN] = "",
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[USB_DR_MODE_HOST] = "host",
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[USB_DR_MODE_PERIPHERAL] = "peripheral",
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[USB_DR_MODE_OTG] = "otg",
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};
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enum usb_dr_mode usb_get_dr_mode(ofnode node)
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{
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const char *dr_mode;
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int i;
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dr_mode = ofnode_read_string(node, "dr_mode");
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if (!dr_mode) {
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pr_debug("usb dr_mode not found\n");
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return USB_DR_MODE_UNKNOWN;
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}
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for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++)
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if (!strcmp(dr_mode, usb_dr_modes[i]))
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return i;
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return USB_DR_MODE_UNKNOWN;
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}
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enum usb_dr_mode usb_get_role_switch_default_mode(ofnode node)
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{
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const char *dr_mode;
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int i;
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dr_mode = ofnode_read_string(node, "role-switch-default-mode");
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if (!dr_mode)
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return USB_DR_MODE_UNKNOWN;
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for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++)
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if (!strcmp(dr_mode, usb_dr_modes[i]))
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return i;
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return USB_DR_MODE_UNKNOWN;
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}
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static const char *const speed_names[] = {
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[USB_SPEED_UNKNOWN] = "UNKNOWN",
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[USB_SPEED_LOW] = "low-speed",
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[USB_SPEED_FULL] = "full-speed",
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[USB_SPEED_HIGH] = "high-speed",
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[USB_SPEED_WIRELESS] = "wireless",
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[USB_SPEED_SUPER] = "super-speed",
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[USB_SPEED_SUPER_PLUS] = "super-speed-plus",
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};
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const char *usb_speed_string(enum usb_device_speed speed)
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{
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if (speed < 0 || speed >= ARRAY_SIZE(speed_names))
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speed = USB_SPEED_UNKNOWN;
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return speed_names[speed];
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}
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enum usb_device_speed usb_get_maximum_speed(ofnode node)
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{
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const char *max_speed;
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int i;
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max_speed = ofnode_read_string(node, "maximum-speed");
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if (!max_speed) {
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pr_debug("usb maximum-speed not found\n");
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return USB_SPEED_UNKNOWN;
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}
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for (i = 0; i < ARRAY_SIZE(speed_names); i++)
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if (!strcmp(max_speed, speed_names[i]))
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return i;
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return USB_SPEED_UNKNOWN;
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}
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#if CONFIG_IS_ENABLED(DM_USB)
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static const char *const usbphy_modes[] = {
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[USBPHY_INTERFACE_MODE_UNKNOWN] = "",
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[USBPHY_INTERFACE_MODE_UTMI] = "utmi",
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[USBPHY_INTERFACE_MODE_UTMIW] = "utmi_wide",
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[USBPHY_INTERFACE_MODE_ULPI] = "ulpi",
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[USBPHY_INTERFACE_MODE_SERIAL] = "serial",
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[USBPHY_INTERFACE_MODE_HSIC] = "hsic",
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};
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enum usb_phy_interface usb_get_phy_mode(ofnode node)
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{
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const char *phy_type;
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int i;
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phy_type = ofnode_get_property(node, "phy_type", NULL);
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if (!phy_type)
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return USBPHY_INTERFACE_MODE_UNKNOWN;
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for (i = 0; i < ARRAY_SIZE(usbphy_modes); i++)
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if (!strcmp(phy_type, usbphy_modes[i]))
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return i;
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return USBPHY_INTERFACE_MODE_UNKNOWN;
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}
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#endif
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