Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Freescale QUICC Engine USB Host Controller Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (c) Freescale Semicondutor, Inc. 2006.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *               Shlomi Gridish <gridish@freescale.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *               Jerry Huang <Chang-Ming.Huang@freescale.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Copyright (c) Logic Product Development, Inc. 2007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *               Peter Barada <peterb@logicpd.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * Copyright (c) MontaVista Software, Inc. 2008.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *               Anton Vorontsov <avorontsov@ru.mvista.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/usb/hcd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <soc/fsl/qe/qe.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include "fhci.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) /* virtual root hub specific descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) static u8 root_hub_des[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	0x09, /* blength */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	USB_DT_HUB, /* bDescriptorType;hub-descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	0x01, /* bNbrPorts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	HUB_CHAR_INDV_PORT_LPSM | HUB_CHAR_NO_OCPM, /* wHubCharacteristics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	0x00, /* per-port power, no overcurrent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	0x01, /* bPwrOn2pwrGood;2ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	0x00, /* bHubContrCurrent;0mA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	0x00, /* DeviceRemoveable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	0xff, /* PortPwrCtrlMask */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) static void fhci_gpio_set_value(struct fhci_hcd *fhci, int gpio_nr, bool on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	int gpio = fhci->gpios[gpio_nr];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	bool alow = fhci->alow_gpios[gpio_nr];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	if (!gpio_is_valid(gpio))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	gpio_set_value(gpio, on ^ alow);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	mdelay(5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) void fhci_config_transceiver(struct fhci_hcd *fhci,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 			     enum fhci_port_status status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	fhci_dbg(fhci, "-> %s: %d\n", __func__, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	switch (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	case FHCI_PORT_POWER_OFF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		fhci_gpio_set_value(fhci, GPIO_POWER, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	case FHCI_PORT_DISABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	case FHCI_PORT_WAITING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		fhci_gpio_set_value(fhci, GPIO_POWER, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	case FHCI_PORT_LOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		fhci_gpio_set_value(fhci, GPIO_SPEED, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	case FHCI_PORT_FULL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		fhci_gpio_set_value(fhci, GPIO_SPEED, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	fhci_dbg(fhci, "<- %s: %d\n", __func__, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) /* disable the USB port by clearing the EN bit in the USBMOD register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) void fhci_port_disable(struct fhci_hcd *fhci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	struct fhci_usb *usb = (struct fhci_usb *)fhci->usb_lld;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	enum fhci_port_status port_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	fhci_dbg(fhci, "-> %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	fhci_stop_sof_timer(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	fhci_flush_all_transmissions(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	fhci_usb_disable_interrupt((struct fhci_usb *)fhci->usb_lld);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	port_status = usb->port_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	usb->port_status = FHCI_PORT_DISABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	/* Enable IDLE since we want to know if something comes along */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	usb->saved_msk |= USB_E_IDLE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	/* check if during the disconnection process attached new device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	if (port_status == FHCI_PORT_WAITING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		fhci_device_connected_interrupt(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	usb->vroot_hub->port.wPortStatus &= ~USB_PORT_STAT_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	usb->vroot_hub->port.wPortChange |= USB_PORT_STAT_C_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	fhci_usb_enable_interrupt((struct fhci_usb *)fhci->usb_lld);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	fhci_dbg(fhci, "<- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /* enable the USB port by setting the EN bit in the USBMOD register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) void fhci_port_enable(void *lld)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	struct fhci_usb *usb = (struct fhci_usb *)lld;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	struct fhci_hcd *fhci = usb->fhci;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	fhci_dbg(fhci, "-> %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	fhci_config_transceiver(fhci, usb->port_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	if ((usb->port_status != FHCI_PORT_FULL) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 			(usb->port_status != FHCI_PORT_LOW))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		fhci_start_sof_timer(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	usb->vroot_hub->port.wPortStatus |= USB_PORT_STAT_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	usb->vroot_hub->port.wPortChange |= USB_PORT_STAT_C_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	fhci_dbg(fhci, "<- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) void fhci_io_port_generate_reset(struct fhci_hcd *fhci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	fhci_dbg(fhci, "-> %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	gpio_direction_output(fhci->gpios[GPIO_USBOE], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	gpio_direction_output(fhci->gpios[GPIO_USBTP], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	gpio_direction_output(fhci->gpios[GPIO_USBTN], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	mdelay(5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	qe_pin_set_dedicated(fhci->pins[PIN_USBOE]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	qe_pin_set_dedicated(fhci->pins[PIN_USBTP]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	qe_pin_set_dedicated(fhci->pins[PIN_USBTN]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	fhci_dbg(fhci, "<- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) /* generate the RESET condition on the bus */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) void fhci_port_reset(void *lld)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	struct fhci_usb *usb = (struct fhci_usb *)lld;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	struct fhci_hcd *fhci = usb->fhci;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	u8 mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	u16 mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	fhci_dbg(fhci, "-> %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	fhci_stop_sof_timer(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	/* disable the USB controller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	mode = in_8(&fhci->regs->usb_usmod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	out_8(&fhci->regs->usb_usmod, mode & (~USB_MODE_EN));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	/* disable idle interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	mask = in_be16(&fhci->regs->usb_usbmr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	out_be16(&fhci->regs->usb_usbmr, mask & (~USB_E_IDLE_MASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	fhci_io_port_generate_reset(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	/* enable interrupt on this endpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	out_be16(&fhci->regs->usb_usbmr, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	/* enable the USB controller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	mode = in_8(&fhci->regs->usb_usmod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	out_8(&fhci->regs->usb_usmod, mode | USB_MODE_EN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	fhci_start_sof_timer(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	fhci_dbg(fhci, "<- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int fhci_hub_status_data(struct usb_hcd *hcd, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	fhci_dbg(fhci, "-> %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	spin_lock_irqsave(&fhci->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (fhci->vroot_hub->port.wPortChange & (USB_PORT_STAT_C_CONNECTION |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 			USB_PORT_STAT_C_ENABLE | USB_PORT_STAT_C_SUSPEND |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			USB_PORT_STAT_C_RESET | USB_PORT_STAT_C_OVERCURRENT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		*buf = 1 << 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		ret = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		fhci_dbg(fhci, "-- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	spin_unlock_irqrestore(&fhci->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	fhci_dbg(fhci, "<- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 			    u16 wIndex, char *buf, u16 wLength)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	int retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	struct usb_hub_status *hub_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	struct usb_port_status *port_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	spin_lock_irqsave(&fhci->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	fhci_dbg(fhci, "-> %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	switch (typeReq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	case ClearHubFeature:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 		switch (wValue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		case C_HUB_LOCAL_POWER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		case C_HUB_OVER_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 			goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	case ClearPortFeature:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		fhci->vroot_hub->feature &= (1 << wValue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		switch (wValue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		case USB_PORT_FEAT_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			fhci->vroot_hub->port.wPortStatus &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 			    ~USB_PORT_STAT_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 			fhci_port_disable(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		case USB_PORT_FEAT_C_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 			fhci->vroot_hub->port.wPortChange &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 			    ~USB_PORT_STAT_C_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		case USB_PORT_FEAT_SUSPEND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 			fhci->vroot_hub->port.wPortStatus &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 			    ~USB_PORT_STAT_SUSPEND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 			fhci_stop_sof_timer(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		case USB_PORT_FEAT_C_SUSPEND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 			fhci->vroot_hub->port.wPortChange &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 			    ~USB_PORT_STAT_C_SUSPEND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		case USB_PORT_FEAT_POWER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 			fhci->vroot_hub->port.wPortStatus &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 			    ~USB_PORT_STAT_POWER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 			fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		case USB_PORT_FEAT_C_CONNECTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 			fhci->vroot_hub->port.wPortChange &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 			    ~USB_PORT_STAT_C_CONNECTION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		case USB_PORT_FEAT_C_OVER_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 			fhci->vroot_hub->port.wPortChange &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 			    ~USB_PORT_STAT_C_OVERCURRENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 		case USB_PORT_FEAT_C_RESET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 			fhci->vroot_hub->port.wPortChange &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 			    ~USB_PORT_STAT_C_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 			goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	case GetHubDescriptor:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		memcpy(buf, root_hub_des, sizeof(root_hub_des));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	case GetHubStatus:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 		hub_status = (struct usb_hub_status *)buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 		hub_status->wHubStatus =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		    cpu_to_le16(fhci->vroot_hub->hub.wHubStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 		hub_status->wHubChange =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 		    cpu_to_le16(fhci->vroot_hub->hub.wHubChange);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	case GetPortStatus:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		port_status = (struct usb_port_status *)buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 		port_status->wPortStatus =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 		    cpu_to_le16(fhci->vroot_hub->port.wPortStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 		port_status->wPortChange =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		    cpu_to_le16(fhci->vroot_hub->port.wPortChange);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	case SetHubFeature:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		switch (wValue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		case C_HUB_OVER_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		case C_HUB_LOCAL_POWER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 			goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	case SetPortFeature:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 		fhci->vroot_hub->feature |= (1 << wValue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 		switch (wValue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 		case USB_PORT_FEAT_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 			fhci->vroot_hub->port.wPortStatus |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 			    USB_PORT_STAT_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 			fhci_port_enable(fhci->usb_lld);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 		case USB_PORT_FEAT_SUSPEND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 			fhci->vroot_hub->port.wPortStatus |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 			    USB_PORT_STAT_SUSPEND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 			fhci_stop_sof_timer(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 		case USB_PORT_FEAT_RESET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 			fhci->vroot_hub->port.wPortStatus |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 			    USB_PORT_STAT_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 			fhci_port_reset(fhci->usb_lld);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 			fhci->vroot_hub->port.wPortStatus |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 			    USB_PORT_STAT_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 			fhci->vroot_hub->port.wPortStatus &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 			    ~USB_PORT_STAT_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 		case USB_PORT_FEAT_POWER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 			fhci->vroot_hub->port.wPortStatus |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 			    USB_PORT_STAT_POWER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 			fhci_config_transceiver(fhci, FHCI_PORT_WAITING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 			goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		retval = -EPIPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	fhci_dbg(fhci, "<- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	spin_unlock_irqrestore(&fhci->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }