--- /dev/null
+/*
+ * (C) Copyright 2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * This code is based on linux driver for sl811hs chip, source at
+ * drivers/usb/host/sl811.c:
+ *
+ * SL811 Host Controller Interface driver for USB.
+ *
+ * Copyright (c) 2003/06, Courage Co., Ltd.
+ *
+ * Based on:
+ * 1.uhci.c by Linus Torvalds, Johannes Erdfelt, Randy Dunlap,
+ * Georg Acher, Deti Fliegl, Thomas Sailer, Roman Weissgaerber,
+ * Adam Richter, Gregory P. Smith;
+ * 2.Original SL811 driver (hc_sl811.o) by Pei Liu <pbl@cypress.com>
+ * 3.Rewrited as sl811.o by Yin Aihua <yinah:couragetech.com.cn>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+#include <usb.h>
+#include "sl811.h"
+
+#include "../../../board/kup/common/kup.h"
+
+#ifdef __PPC__
+# define EIEIO __asm__ volatile ("eieio")
+#else
+# define EIEIO /* nothing */
+#endif
+
+#define SL811_ADR (0x50000000)
+#define SL811_DAT (0x50000001)
+
+#ifdef SL811_DEBUG
+static int debug = 9;
+#endif
+
+static int root_hub_devnum = 0;
+static struct usb_port_status rh_status = { 0 };/* root hub port status */
+
+static int sl811_rh_submit_urb(struct usb_device *usb_dev, unsigned long pipe,
+ void *data, int buf_len, struct devrequest *cmd);
+
+static void sl811_write (__u8 index, __u8 data)
+{
+ *(volatile unsigned char *) (SL811_ADR) = index;
+ EIEIO;
+ *(volatile unsigned char *) (SL811_DAT) = data;
+ EIEIO;
+}
+
+static __u8 sl811_read (__u8 index)
+{
+ __u8 data;
+
+ *(volatile unsigned char *) (SL811_ADR) = index;
+ EIEIO;
+ data = *(volatile unsigned char *) (SL811_DAT);
+ EIEIO;
+ return (data);
+}
+
+/*
+ * Read consecutive bytes of data from the SL811H/SL11H buffer
+ */
+static void inline sl811_read_buf(__u8 offset, __u8 *buf, __u8 size)
+{
+ *(volatile unsigned char *) (SL811_ADR) = offset;
+ EIEIO;
+ while (size--) {
+ *buf++ = *(volatile unsigned char *) (SL811_DAT);
+ EIEIO;
+ }
+}
+
+/*
+ * Write consecutive bytes of data to the SL811H/SL11H buffer
+ */
+static void inline sl811_write_buf(__u8 offset, __u8 *buf, __u8 size)
+{
+ *(volatile unsigned char *) (SL811_ADR) = offset;
+ EIEIO;
+ while (size--) {
+ *(volatile unsigned char *) (SL811_DAT) = *buf++;
+ EIEIO;
+ }
+}
+
+int usb_init_kup4x (void)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ int i;
+ unsigned char tmp;
+
+ memctl = &immap->im_memctl;
+ memctl->memc_or7 = 0xFFFF8726;
+ memctl->memc_br7 = 0x50000401; /* start at 0x50000000 */
+ /* BP 14 low = USB ON */
+ immap->im_cpm.cp_pbdat &= ~(BP_USB_VCC);
+ /* PB 14 nomal port */
+ immap->im_cpm.cp_pbpar &= ~(BP_USB_VCC);
+ /* output */
+ immap->im_cpm.cp_pbdir |= (BP_USB_VCC);
+
+ puts ("USB: ");
+
+ for (i = 0x10; i < 0xff; i++) {
+ sl811_write(i, i);
+ tmp = (sl811_read(i));
+ if (tmp != i) {
+ printf ("SL811 compare error index=0x%02x read=0x%02x\n", i, tmp);
+ return (-1);
+ }
+ }
+ printf ("SL811 ready\n");
+ return (0);
+}
+
+/*
+ * This function resets SL811HS controller and detects the speed of
+ * the connecting device
+ *
+ * Return: 0 = no device attached; 1 = USB device attached
+ */
+static int sl811_hc_reset(void)
+{
+ int status ;
+
+ sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
+ sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
+
+ mdelay(20);
+
+ /* Disable hardware SOF generation, clear all irq status. */
+ sl811_write(SL811_CTRL1, 0);
+ mdelay(2);
+ sl811_write(SL811_INTRSTS, 0xff);
+ status = sl811_read(SL811_INTRSTS);
+
+ if (status & SL811_INTR_NOTPRESENT) {
+ /* Device is not present */
+ PDEBUG(0, "Device not present\n");
+ rh_status.wPortStatus &= ~(USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE);
+ rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
+ sl811_write(SL811_INTR, SL811_INTR_INSRMV);
+ return 0;
+ }
+
+ /* Send SOF to address 0, endpoint 0. */
+ sl811_write(SL811_LEN_B, 0);
+ sl811_write(SL811_PIDEP_B, PIDEP(USB_PID_SOF, 0));
+ sl811_write(SL811_DEV_B, 0x00);
+ sl811_write(SL811_SOFLOW, SL811_12M_LOW);
+
+ if (status & SL811_INTR_SPEED_FULL) {
+ /* full speed device connect directly to root hub */
+ PDEBUG (0, "Full speed Device attached\n");
+
+ sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
+ mdelay(20);
+ sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
+ sl811_write(SL811_CTRL1, SL811_CTRL1_SOF);
+
+ /* start the SOF or EOP */
+ sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
+ rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION;
+ rh_status.wPortStatus &= ~USB_PORT_STAT_LOW_SPEED;
+ mdelay(2);
+ sl811_write(SL811_INTRSTS, 0xff);
+ } else {
+ /* slow speed device connect directly to root-hub */
+ PDEBUG(0, "Low speed Device attached\n");
+
+ sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
+ mdelay(20);
+ sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_CTL2_DSWAP | SL811_12M_HI);
+ sl811_write(SL811_CTRL1, SL811_CTRL1_SPEED_LOW | SL811_CTRL1_SOF);
+
+ /* start the SOF or EOP */
+ sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
+ rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION | USB_PORT_STAT_LOW_SPEED;
+ mdelay(2);
+ sl811_write(SL811_INTRSTS, 0xff);
+ }
+
+ rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
+ sl811_write(SL811_INTR, /*SL811_INTR_INSRMV*/SL811_INTR_DONE_A);
+
+ return 1;
+}
+
+int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
+{
+ root_hub_devnum = 0;
+ sl811_hc_reset();
+ return 0;
+}
+
+int usb_lowlevel_stop(int index)
+{
+ sl811_hc_reset();
+ return 0;
+}
+
+static int calc_needed_buswidth(int bytes, int need_preamble)
+{
+ return !need_preamble ? bytes * 8 + 256 : 8 * 8 * bytes + 2048;
+}
+
+static int sl811_send_packet(struct usb_device *dev, unsigned long pipe, __u8 *buffer, int len)
+{
+ __u8 ctrl = SL811_USB_CTRL_ARM | SL811_USB_CTRL_ENABLE;
+ __u16 status = 0;
+ int err = 0, time_start = get_timer(0);
+ int need_preamble = !(rh_status.wPortStatus & USB_PORT_STAT_LOW_SPEED) &&
+ (dev->speed == USB_SPEED_LOW);
+
+ if (len > 239)
+ return -1;
+
+ if (usb_pipeout(pipe))
+ ctrl |= SL811_USB_CTRL_DIR_OUT;
+ if (usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)))
+ ctrl |= SL811_USB_CTRL_TOGGLE_1;
+ if (need_preamble)
+ ctrl |= SL811_USB_CTRL_PREAMBLE;
+
+ sl811_write(SL811_INTRSTS, 0xff);
+
+ while (err < 3) {
+ sl811_write(SL811_ADDR_A, 0x10);
+ sl811_write(SL811_LEN_A, len);
+ if (usb_pipeout(pipe) && len)
+ sl811_write_buf(0x10, buffer, len);
+
+ if (!(rh_status.wPortStatus & USB_PORT_STAT_LOW_SPEED) &&
+ sl811_read(SL811_SOFCNTDIV)*64 < calc_needed_buswidth(len, need_preamble))
+ ctrl |= SL811_USB_CTRL_SOF;
+ else
+ ctrl &= ~SL811_USB_CTRL_SOF;
+
+ sl811_write(SL811_CTRL_A, ctrl);
+ while (!(sl811_read(SL811_INTRSTS) & SL811_INTR_DONE_A)) {
+ if (5*CONFIG_SYS_HZ < get_timer(time_start)) {
+ printf("USB transmit timed out\n");
+ return -USB_ST_CRC_ERR;
+ }
+ }
+
+ sl811_write(SL811_INTRSTS, 0xff);
+ status = sl811_read(SL811_STS_A);
+
+ if (status & SL811_USB_STS_ACK) {
+ int remainder = sl811_read(SL811_CNT_A);
+ if (remainder) {
+ PDEBUG(0, "usb transfer remainder = %d\n", remainder);
+ len -= remainder;
+ }
+ if (usb_pipein(pipe) && len)
+ sl811_read_buf(0x10, buffer, len);
+ return len;
+ }
+
+ if ((status & SL811_USB_STS_NAK) == SL811_USB_STS_NAK)
+ continue;
+
+ PDEBUG(0, "usb transfer error %#x\n", (int)status);
+ err++;
+ }
+
+ err = 0;
+
+ if (status & SL811_USB_STS_ERROR)
+ err |= USB_ST_BUF_ERR;
+ if (status & SL811_USB_STS_TIMEOUT)
+ err |= USB_ST_CRC_ERR;
+ if (status & SL811_USB_STS_STALL)
+ err |= USB_ST_STALLED;
+
+ return -err;
+}
+
+int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+ int len)
+{
+ int dir_out = usb_pipeout(pipe);
+ int ep = usb_pipeendpoint(pipe);
+ int max = usb_maxpacket(dev, pipe);
+ int done = 0;
+
+ PDEBUG(7, "dev = %ld pipe = %ld buf = %p size = %d dir_out = %d\n",
+ usb_pipedevice(pipe), usb_pipeendpoint(pipe), buffer, len, dir_out);
+
+ dev->status = 0;
+
+ sl811_write(SL811_DEV_A, usb_pipedevice(pipe));
+ sl811_write(SL811_PIDEP_A, PIDEP(!dir_out ? USB_PID_IN : USB_PID_OUT, ep));
+ while (done < len) {
+ int res = sl811_send_packet(dev, pipe, (__u8*)buffer+done,
+ max > len - done ? len - done : max);
+ if (res < 0) {
+ dev->status = -res;
+ return res;
+ }
+
+ if (!dir_out && res < max) /* short packet */
+ break;
+
+ done += res;
+ usb_dotoggle(dev, ep, dir_out);
+ }
+
+ dev->act_len = done;
+
+ return 0;
+}
+
+int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+ int len,struct devrequest *setup)
+{
+ int done = 0;
+ int devnum = usb_pipedevice(pipe);
+ int ep = usb_pipeendpoint(pipe);
+
+ dev->status = 0;
+
+ if (devnum == root_hub_devnum)
+ return sl811_rh_submit_urb(dev, pipe, buffer, len, setup);
+
+ PDEBUG(7, "dev = %d pipe = %ld buf = %p size = %d rt = %#x req = %#x bus = %i\n",
+ devnum, ep, buffer, len, (int)setup->requesttype,
+ (int)setup->request, sl811_read(SL811_SOFCNTDIV)*64);
+
+ sl811_write(SL811_DEV_A, devnum);
+ sl811_write(SL811_PIDEP_A, PIDEP(USB_PID_SETUP, ep));
+ /* setup phase */
+ usb_settoggle(dev, ep, 1, 0);
+ if (sl811_send_packet(dev, usb_sndctrlpipe(dev, ep),
+ (__u8*)setup, sizeof(*setup)) == sizeof(*setup)) {
+ int dir_in = usb_pipein(pipe);
+ int max = usb_maxpacket(dev, pipe);
+
+ /* data phase */
+ sl811_write(SL811_PIDEP_A,
+ PIDEP(dir_in ? USB_PID_IN : USB_PID_OUT, ep));
+ usb_settoggle(dev, ep, usb_pipeout(pipe), 1);
+ while (done < len) {
+ int res = sl811_send_packet(dev, pipe, (__u8*)buffer+done,
+ max > len - done ? len - done : max);
+ if (res < 0) {
+ PDEBUG(0, "status data failed!\n");
+ dev->status = -res;
+ return 0;
+ }
+ done += res;
+ usb_dotoggle(dev, ep, usb_pipeout(pipe));
+ if (dir_in && res < max) /* short packet */
+ break;
+ }
+
+ /* status phase */
+ sl811_write(SL811_PIDEP_A,
+ PIDEP(!dir_in ? USB_PID_IN : USB_PID_OUT, ep));
+ usb_settoggle(dev, ep, !usb_pipeout(pipe), 1);
+ if (sl811_send_packet(dev,
+ !dir_in ? usb_rcvctrlpipe(dev, ep) :
+ usb_sndctrlpipe(dev, ep),
+ 0, 0) < 0) {
+ PDEBUG(0, "status phase failed!\n");
+ dev->status = -1;
+ }
+ } else {
+ PDEBUG(0, "setup phase failed!\n");
+ dev->status = -1;
+ }
+
+ dev->act_len = done;
+
+ return done;
+}
+
+int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+ int len, int interval)
+{
+ PDEBUG(0, "dev = %p pipe = %#lx buf = %p size = %d int = %d\n", dev, pipe,
+ buffer, len, interval);
+ return -1;
+}
+
+/*
+ * SL811 Virtual Root Hub
+ */
+
+/* Device descriptor */
+static __u8 sl811_rh_dev_des[] =
+{
+ 0x12, /* __u8 bLength; */
+ 0x01, /* __u8 bDescriptorType; Device */
+ 0x10, /* __u16 bcdUSB; v1.1 */
+ 0x01,
+ 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */
+ 0x00, /* __u8 bDeviceSubClass; */
+ 0x00, /* __u8 bDeviceProtocol; */
+ 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */
+ 0x00, /* __u16 idVendor; */
+ 0x00,
+ 0x00, /* __u16 idProduct; */
+ 0x00,
+ 0x00, /* __u16 bcdDevice; */
+ 0x00,
+ 0x00, /* __u8 iManufacturer; */
+ 0x02, /* __u8 iProduct; */
+ 0x01, /* __u8 iSerialNumber; */
+ 0x01 /* __u8 bNumConfigurations; */
+};
+
+/* Configuration descriptor */
+static __u8 sl811_rh_config_des[] =
+{
+ 0x09, /* __u8 bLength; */
+ 0x02, /* __u8 bDescriptorType; Configuration */
+ 0x19, /* __u16 wTotalLength; */
+ 0x00,
+ 0x01, /* __u8 bNumInterfaces; */
+ 0x01, /* __u8 bConfigurationValue; */
+ 0x00, /* __u8 iConfiguration; */
+ 0x40, /* __u8 bmAttributes;
+ Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup,
+ 4..0: resvd */
+ 0x00, /* __u8 MaxPower; */
+
+ /* interface */
+ 0x09, /* __u8 if_bLength; */
+ 0x04, /* __u8 if_bDescriptorType; Interface */
+ 0x00, /* __u8 if_bInterfaceNumber; */
+ 0x00, /* __u8 if_bAlternateSetting; */
+ 0x01, /* __u8 if_bNumEndpoints; */
+ 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */
+ 0x00, /* __u8 if_bInterfaceSubClass; */
+ 0x00, /* __u8 if_bInterfaceProtocol; */
+ 0x00, /* __u8 if_iInterface; */
+
+ /* endpoint */
+ 0x07, /* __u8 ep_bLength; */
+ 0x05, /* __u8 ep_bDescriptorType; Endpoint */
+ 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */
+ 0x03, /* __u8 ep_bmAttributes; Interrupt */
+ 0x08, /* __u16 ep_wMaxPacketSize; */
+ 0x00,
+ 0xff /* __u8 ep_bInterval; 255 ms */
+};
+
+/* root hub class descriptor*/
+static __u8 sl811_rh_hub_des[] =
+{
+ 0x09, /* __u8 bLength; */
+ 0x29, /* __u8 bDescriptorType; Hub-descriptor */
+ 0x01, /* __u8 bNbrPorts; */
+ 0x00, /* __u16 wHubCharacteristics; */
+ 0x00,
+ 0x50, /* __u8 bPwrOn2pwrGood; 2ms */
+ 0x00, /* __u8 bHubContrCurrent; 0 mA */
+ 0xfc, /* __u8 DeviceRemovable; *** 7 Ports max *** */
+ 0xff /* __u8 PortPwrCtrlMask; *** 7 ports max *** */
+};
+
+/*
+ * helper routine for returning string descriptors in UTF-16LE
+ * input can actually be ISO-8859-1; ASCII is its 7-bit subset
+ */
+static int ascii2utf (char *s, u8 *utf, int utfmax)
+{
+ int retval;
+
+ for (retval = 0; *s && utfmax > 1; utfmax -= 2, retval += 2) {
+ *utf++ = *s++;
+ *utf++ = 0;
+ }
+ return retval;
+}
+
+/*
+ * root_hub_string is used by each host controller's root hub code,
+ * so that they're identified consistently throughout the system.
+ */
+static int usb_root_hub_string (int id, int serial, char *type, __u8 *data, int len)
+{
+ char buf [30];
+
+ /* assert (len > (2 * (sizeof (buf) + 1)));
+ assert (strlen (type) <= 8);*/
+
+ /* language ids */
+ if (id == 0) {
+ *data++ = 4; *data++ = 3; /* 4 bytes data */
+ *data++ = 0; *data++ = 0; /* some language id */
+ return 4;
+
+ /* serial number */
+ } else if (id == 1) {
+ sprintf (buf, "%#x", serial);
+
+ /* product description */
+ } else if (id == 2) {
+ sprintf (buf, "USB %s Root Hub", type);
+
+ /* id 3 == vendor description */
+
+ /* unsupported IDs --> "stall" */
+ } else
+ return 0;
+
+ ascii2utf (buf, data + 2, len - 2);
+ data [0] = 2 + strlen(buf) * 2;
+ data [1] = 3;
+ return data [0];
+}
+
+/* helper macro */
+#define OK(x) len = (x); break
+
+/*
+ * This function handles all USB request to the the virtual root hub
+ */
+static int sl811_rh_submit_urb(struct usb_device *usb_dev, unsigned long pipe,
+ void *data, int buf_len, struct devrequest *cmd)
+{
+ __u8 data_buf[16];
+ __u8 *bufp = data_buf;
+ int len = 0;
+ int status = 0;
+ __u16 bmRType_bReq;
+ __u16 wValue = le16_to_cpu (cmd->value);
+ __u16 wLength = le16_to_cpu (cmd->length);
+#ifdef SL811_DEBUG
+ __u16 wIndex = le16_to_cpu (cmd->index);
+#endif
+
+ if (usb_pipeint(pipe)) {
+ PDEBUG(0, "interrupt transfer unimplemented!\n");
+ return 0;
+ }
+
+ bmRType_bReq = cmd->requesttype | (cmd->request << 8);
+
+ PDEBUG(5, "submit rh urb, req = %d(%x) val = %#x index = %#x len=%d\n",
+ bmRType_bReq, bmRType_bReq, wValue, wIndex, wLength);
+
+ /* Request Destination:
+ without flags: Device,
+ USB_RECIP_INTERFACE: interface,
+ USB_RECIP_ENDPOINT: endpoint,
+ USB_TYPE_CLASS means HUB here,
+ USB_RECIP_OTHER | USB_TYPE_CLASS almost ever means HUB_PORT here
+ */
+ switch (bmRType_bReq) {
+ case RH_GET_STATUS:
+ *(__u16 *)bufp = cpu_to_le16(1);
+ OK(2);
+
+ case RH_GET_STATUS | USB_RECIP_INTERFACE:
+ *(__u16 *)bufp = cpu_to_le16(0);
+ OK(2);
+
+ case RH_GET_STATUS | USB_RECIP_ENDPOINT:
+ *(__u16 *)bufp = cpu_to_le16(0);
+ OK(2);
+
+ case RH_GET_STATUS | USB_TYPE_CLASS:
+ *(__u32 *)bufp = cpu_to_le32(0);
+ OK(4);
+
+ case RH_GET_STATUS | USB_RECIP_OTHER | USB_TYPE_CLASS:
+ *(__u32 *)bufp = cpu_to_le32(rh_status.wPortChange<<16 | rh_status.wPortStatus);
+ OK(4);
+
+ case RH_CLEAR_FEATURE | USB_RECIP_ENDPOINT:
+ switch (wValue) {
+ case 1:
+ OK(0);
+ }
+ break;
+
+ case RH_CLEAR_FEATURE | USB_TYPE_CLASS:
+ switch (wValue) {
+ case C_HUB_LOCAL_POWER:
+ OK(0);
+
+ case C_HUB_OVER_CURRENT:
+ OK(0);
+ }
+ break;
+
+ case RH_CLEAR_FEATURE | USB_RECIP_OTHER | USB_TYPE_CLASS:
+ switch (wValue) {
+ case USB_PORT_FEAT_ENABLE:
+ rh_status.wPortStatus &= ~USB_PORT_STAT_ENABLE;
+ OK(0);
+
+ case USB_PORT_FEAT_SUSPEND:
+ rh_status.wPortStatus &= ~USB_PORT_STAT_SUSPEND;
+ OK(0);
+
+ case USB_PORT_FEAT_POWER:
+ rh_status.wPortStatus &= ~USB_PORT_STAT_POWER;
+ OK(0);
+
+ case USB_PORT_FEAT_C_CONNECTION:
+ rh_status.wPortChange &= ~USB_PORT_STAT_C_CONNECTION;
+ OK(0);
+
+ case USB_PORT_FEAT_C_ENABLE:
+ rh_status.wPortChange &= ~USB_PORT_STAT_C_ENABLE;
+ OK(0);
+
+ case USB_PORT_FEAT_C_SUSPEND:
+ rh_status.wPortChange &= ~USB_PORT_STAT_C_SUSPEND;
+ OK(0);
+
+ case USB_PORT_FEAT_C_OVER_CURRENT:
+ rh_status.wPortChange &= ~USB_PORT_STAT_C_OVERCURRENT;
+ OK(0);
+
+ case USB_PORT_FEAT_C_RESET:
+ rh_status.wPortChange &= ~USB_PORT_STAT_C_RESET;
+ OK(0);
+ }
+ break;
+
+ case RH_SET_FEATURE | USB_RECIP_OTHER | USB_TYPE_CLASS:
+ switch (wValue) {
+ case USB_PORT_FEAT_SUSPEND:
+ rh_status.wPortStatus |= USB_PORT_STAT_SUSPEND;
+ OK(0);
+
+ case USB_PORT_FEAT_RESET:
+ rh_status.wPortStatus |= USB_PORT_STAT_RESET;
+ rh_status.wPortChange = 0;
+ rh_status.wPortChange |= USB_PORT_STAT_C_RESET;
+ rh_status.wPortStatus &= ~USB_PORT_STAT_RESET;
+ rh_status.wPortStatus |= USB_PORT_STAT_ENABLE;
+ OK(0);
+
+ case USB_PORT_FEAT_POWER:
+ rh_status.wPortStatus |= USB_PORT_STAT_POWER;
+ OK(0);
+
+ case USB_PORT_FEAT_ENABLE:
+ rh_status.wPortStatus |= USB_PORT_STAT_ENABLE;
+ OK(0);
+ }
+ break;
+
+ case RH_SET_ADDRESS:
+ root_hub_devnum = wValue;
+ OK(0);
+
+ case RH_GET_DESCRIPTOR:
+ switch ((wValue & 0xff00) >> 8) {
+ case USB_DT_DEVICE:
+ len = sizeof(sl811_rh_dev_des);
+ bufp = sl811_rh_dev_des;
+ OK(len);
+
+ case USB_DT_CONFIG:
+ len = sizeof(sl811_rh_config_des);
+ bufp = sl811_rh_config_des;
+ OK(len);
+
+ case USB_DT_STRING:
+ len = usb_root_hub_string(wValue & 0xff, (int)(long)0, "SL811HS", data, wLength);
+ if (len > 0) {
+ bufp = data;
+ OK(len);
+ }
+
+ default:
+ status = -32;
+ }
+ break;
+
+ case RH_GET_DESCRIPTOR | USB_TYPE_CLASS:
+ len = sizeof(sl811_rh_hub_des);
+ bufp = sl811_rh_hub_des;
+ OK(len);
+
+ case RH_GET_CONFIGURATION:
+ bufp[0] = 0x01;
+ OK(1);
+
+ case RH_SET_CONFIGURATION:
+ OK(0);
+
+ default:
+ PDEBUG(1, "unsupported root hub command\n");
+ status = -32;
+ }
+
+ len = min(len, buf_len);
+ if (data != bufp)
+ memcpy(data, bufp, len);
+
+ PDEBUG(5, "len = %d, status = %d\n", len, status);
+
+ usb_dev->status = status;
+ usb_dev->act_len = len;
+
+ return status == 0 ? len : status;
+}
Code Review / kvmfornfv.git / blobdiff