--- /dev/null
+/*
+ * R8A66597 HCD (Host Controller Driver) for u-boot
+ *
+ * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include <common.h>
+#include <usb.h>
+#include <asm/io.h>
+
+#include "r8a66597.h"
+
+#ifdef R8A66597_DEBUG
+#define R8A66597_DPRINT printf
+#else
+#define R8A66597_DPRINT(...)
+#endif
+
+static const char hcd_name[] = "r8a66597_hcd";
+static struct r8a66597 gr8a66597;
+
+static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
+{
+ int i;
+
+ *hub_devnum = 0;
+ *hubport = 0;
+
+ /* check a device connected to root_hub */
+ if ((dev->parent && dev->parent->devnum == 1) ||
+ (dev->devnum == 1))
+ return;
+
+ for (i = 0; i < USB_MAXCHILDREN; i++) {
+ if (dev->parent->children[i] == dev) {
+ *hub_devnum = (u8)dev->parent->devnum;
+ *hubport = i;
+ return;
+ }
+ }
+
+ printf("get_hub_data error.\n");
+}
+
+static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address,
+ struct usb_device *dev, int port)
+{
+ u16 val, usbspd, upphub, hubport;
+ unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
+
+ get_hub_data(dev, &upphub, &hubport);
+ usbspd = r8a66597->speed;
+ val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
+ r8a66597_write(r8a66597, val, devadd_reg);
+}
+
+static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
+{
+ u16 tmp;
+ int i = 0;
+
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
+ do {
+ r8a66597_write(r8a66597, SCKE, SYSCFG0);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (i++ > 1000) {
+ printf("register access fail.\n");
+ return -1;
+ }
+ } while ((tmp & SCKE) != SCKE);
+ r8a66597_write(r8a66597, 0x04, 0x02);
+#else
+ do {
+ r8a66597_write(r8a66597, USBE, SYSCFG0);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (i++ > 1000) {
+ printf("register access fail.\n");
+ return -1;
+ }
+ } while ((tmp & USBE) != USBE);
+ r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+ r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0);
+
+ i = 0;
+ r8a66597_bset(r8a66597, XCKE, SYSCFG0);
+ do {
+ udelay(1000);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (i++ > 500) {
+ printf("register access fail.\n");
+ return -1;
+ }
+ } while ((tmp & SCKE) != SCKE);
+#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
+
+ return 0;
+}
+
+static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
+{
+ r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
+ udelay(1);
+#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
+ r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
+ r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
+ r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+#endif
+}
+
+static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
+{
+ u16 val;
+
+ val = port ? DRPD : DCFM | DRPD;
+ r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
+ r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
+
+ r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port));
+}
+
+static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
+{
+ u16 val, tmp;
+
+ r8a66597_write(r8a66597, 0, get_intenb_reg(port));
+ r8a66597_write(r8a66597, 0, get_intsts_reg(port));
+
+ r8a66597_port_power(r8a66597, port, 0);
+
+ do {
+ tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
+ udelay(640);
+ } while (tmp == EDGESTS);
+
+ val = port ? DRPD : DCFM | DRPD;
+ r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
+ r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
+}
+
+static int enable_controller(struct r8a66597 *r8a66597)
+{
+ int ret, port;
+
+ ret = r8a66597_clock_enable(r8a66597);
+ if (ret < 0)
+ return ret;
+
+ r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG);
+ r8a66597_bset(r8a66597, USBE, SYSCFG0);
+
+ r8a66597_bset(r8a66597, INTL, SOFCFG);
+ r8a66597_write(r8a66597, 0, INTENB0);
+ r8a66597_write(r8a66597, 0, INTENB1);
+ r8a66597_write(r8a66597, 0, INTENB2);
+
+ r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, CFIFOSEL);
+ r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D0FIFOSEL);
+ r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D1FIFOSEL);
+ r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
+
+ for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+ r8a66597_enable_port(r8a66597, port);
+
+ return 0;
+}
+
+static void disable_controller(struct r8a66597 *r8a66597)
+{
+ int i;
+
+ if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE))
+ return;
+
+ r8a66597_write(r8a66597, 0, INTENB0);
+ r8a66597_write(r8a66597, 0, INTSTS0);
+
+ r8a66597_write(r8a66597, 0, D0FIFOSEL);
+ r8a66597_write(r8a66597, 0, D1FIFOSEL);
+ r8a66597_write(r8a66597, 0, DCPCFG);
+ r8a66597_write(r8a66597, 0x40, DCPMAXP);
+ r8a66597_write(r8a66597, 0, DCPCTR);
+
+ for (i = 0; i <= 10; i++)
+ r8a66597_write(r8a66597, 0, get_devadd_addr(i));
+ for (i = 1; i <= 5; i++) {
+ r8a66597_write(r8a66597, 0, get_pipetre_addr(i));
+ r8a66597_write(r8a66597, 0, get_pipetrn_addr(i));
+ }
+ for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) {
+ r8a66597_write(r8a66597, 0, get_pipectr_addr(i));
+ r8a66597_write(r8a66597, i, PIPESEL);
+ r8a66597_write(r8a66597, 0, PIPECFG);
+ r8a66597_write(r8a66597, 0, PIPEBUF);
+ r8a66597_write(r8a66597, 0, PIPEMAXP);
+ r8a66597_write(r8a66597, 0, PIPEPERI);
+ }
+
+ for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++)
+ r8a66597_disable_port(r8a66597, i);
+
+ r8a66597_clock_disable(r8a66597);
+}
+
+static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
+ u16 mask, u16 loop)
+{
+ u16 tmp;
+ int i = 0;
+
+ do {
+ tmp = r8a66597_read(r8a66597, reg);
+ if (i++ > 1000000) {
+ printf("register%lx, loop %x is timeout\n", reg, loop);
+ break;
+ }
+ } while ((tmp & mask) != loop);
+}
+
+static void pipe_buffer_setting(struct r8a66597 *r8a66597,
+ struct usb_device *dev, unsigned long pipe)
+{
+ u16 val = 0;
+ u16 pipenum, bufnum, maxpacket;
+
+ if (usb_pipein(pipe)) {
+ pipenum = BULK_IN_PIPENUM;
+ bufnum = BULK_IN_BUFNUM;
+ maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
+ } else {
+ pipenum = BULK_OUT_PIPENUM;
+ bufnum = BULK_OUT_BUFNUM;
+ maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
+ }
+
+ if (r8a66597->pipe_config & (1 << pipenum))
+ return;
+ r8a66597->pipe_config |= (1 << pipenum);
+
+ r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
+ r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
+ r8a66597_write(r8a66597, pipenum, PIPESEL);
+
+ /* FIXME: This driver support bulk transfer only. */
+ if (!usb_pipein(pipe))
+ val |= R8A66597_DIR;
+ else
+ val |= R8A66597_SHTNAK;
+ val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
+ r8a66597_write(r8a66597, val, PIPECFG);
+
+ r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF);
+ r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) |
+ maxpacket, PIPEMAXP);
+ r8a66597_write(r8a66597, 0, PIPEPERI);
+ r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum));
+}
+
+static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
+ struct devrequest *setup)
+{
+ int i;
+ unsigned short *p = (unsigned short *)setup;
+ unsigned long setup_addr = USBREQ;
+ u16 intsts1;
+ int timeout = 3000;
+ u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
+
+ r8a66597_write(r8a66597, make_devsel(devsel) |
+ (8 << dev->maxpacketsize), DCPMAXP);
+ r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
+
+ for (i = 0; i < 4; i++) {
+ r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
+ setup_addr += 2;
+ }
+ r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
+ r8a66597_write(r8a66597, SUREQ, DCPCTR);
+
+ while (1) {
+ intsts1 = r8a66597_read(r8a66597, INTSTS1);
+ if (intsts1 & SACK)
+ break;
+ if (intsts1 & SIGN) {
+ printf("setup packet send error\n");
+ return -1;
+ }
+ if (timeout-- < 0) {
+ printf("setup packet timeout\n");
+ return -1;
+ }
+ udelay(500);
+ }
+
+ return 0;
+}
+
+static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
+ unsigned long pipe, void *buffer, int transfer_len)
+{
+ u16 tmp, bufsize;
+ u16 *buf;
+ size_t size;
+
+ R8A66597_DPRINT("%s\n", __func__);
+
+ r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM,
+ MBW | CURPIPE, CFIFOSEL);
+ r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM);
+ tmp = r8a66597_read(r8a66597, CFIFOCTR);
+ if ((tmp & FRDY) == 0) {
+ printf("%s FRDY is not set (%x)\n", __func__, tmp);
+ return -1;
+ }
+
+ /* prepare parameters */
+ bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
+ buf = (u16 *)(buffer + dev->act_len);
+ size = min((int)bufsize, transfer_len - dev->act_len);
+
+ /* write fifo */
+ r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
+ if (buffer) {
+ r8a66597_write_fifo(r8a66597, CFIFO, buf, size);
+ r8a66597_write(r8a66597, BVAL, CFIFOCTR);
+ }
+
+ /* update parameters */
+ dev->act_len += size;
+
+ r8a66597_mdfy(r8a66597, PID_BUF, PID,
+ get_pipectr_addr(BULK_OUT_PIPENUM));
+
+ while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM)))
+ if (ctrlc())
+ return -1;
+ r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
+
+ if (dev->act_len >= transfer_len)
+ r8a66597_mdfy(r8a66597, PID_NAK, PID,
+ get_pipectr_addr(BULK_OUT_PIPENUM));
+
+ return 0;
+}
+
+static int receive_bulk_packet(struct r8a66597 *r8a66597,
+ struct usb_device *dev,
+ unsigned long pipe,
+ void *buffer, int transfer_len)
+{
+ u16 tmp;
+ u16 *buf;
+ const u16 pipenum = BULK_IN_PIPENUM;
+ int rcv_len;
+ int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
+
+ R8A66597_DPRINT("%s\n", __func__);
+
+ /* prepare */
+ if (dev->act_len == 0) {
+ r8a66597_mdfy(r8a66597, PID_NAK, PID,
+ get_pipectr_addr(pipenum));
+ r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
+
+ r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum));
+ r8a66597_write(r8a66597,
+ (transfer_len + maxpacket - 1) / maxpacket,
+ get_pipetrn_addr(pipenum));
+ r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum));
+
+ r8a66597_mdfy(r8a66597, PID_BUF, PID,
+ get_pipectr_addr(pipenum));
+ }
+
+ r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
+ r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
+
+ while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum)))
+ if (ctrlc())
+ return -1;
+ r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
+
+ tmp = r8a66597_read(r8a66597, CFIFOCTR);
+ if ((tmp & FRDY) == 0) {
+ printf("%s FRDY is not set. (%x)\n", __func__, tmp);
+ return -1;
+ }
+
+ buf = (u16 *)(buffer + dev->act_len);
+ rcv_len = tmp & DTLN;
+ dev->act_len += rcv_len;
+
+ if (buffer) {
+ if (rcv_len == 0)
+ r8a66597_write(r8a66597, BCLR, CFIFOCTR);
+ else
+ r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len);
+ }
+
+ return 0;
+}
+
+static int receive_control_packet(struct r8a66597 *r8a66597,
+ struct usb_device *dev,
+ void *buffer, int transfer_len)
+{
+ u16 tmp;
+ int rcv_len;
+
+ /* FIXME: limit transfer size : 64byte or less */
+
+ r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
+ r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
+ r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
+ r8a66597_bset(r8a66597, SQSET, DCPCTR);
+ r8a66597_write(r8a66597, BCLR, CFIFOCTR);
+ r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
+
+ while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001))
+ if (ctrlc())
+ return -1;
+ r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
+
+ r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL);
+ r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
+
+ tmp = r8a66597_read(r8a66597, CFIFOCTR);
+ if ((tmp & FRDY) == 0) {
+ printf("%s FRDY is not set. (%x)\n", __func__, tmp);
+ return -1;
+ }
+
+ rcv_len = tmp & DTLN;
+ dev->act_len += rcv_len;
+
+ r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
+
+ if (buffer) {
+ if (rcv_len == 0)
+ r8a66597_write(r8a66597, BCLR, DCPCTR);
+ else
+ r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len);
+ }
+
+ return 0;
+}
+
+static int send_status_packet(struct r8a66597 *r8a66597,
+ unsigned long pipe)
+{
+ r8a66597_bset(r8a66597, SQSET, DCPCTR);
+ r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
+
+ if (usb_pipein(pipe)) {
+ r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
+ r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
+ r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
+ r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
+ r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR);
+ } else {
+ r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
+ r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
+ r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
+ r8a66597_write(r8a66597, BCLR, CFIFOCTR);
+ }
+ r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
+
+ while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001))
+ if (ctrlc())
+ return -1;
+
+ return 0;
+}
+
+static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port)
+{
+ int count = R8A66597_MAX_SAMPLING;
+ unsigned short syssts, old_syssts;
+
+ R8A66597_DPRINT("%s\n", __func__);
+
+ old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
+ while (count > 0) {
+ mdelay(R8A66597_RH_POLL_TIME);
+
+ syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
+ if (syssts == old_syssts) {
+ count--;
+ } else {
+ count = R8A66597_MAX_SAMPLING;
+ old_syssts = syssts;
+ }
+ }
+}
+
+static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port)
+{
+ mdelay(10);
+ r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port));
+ mdelay(50);
+ r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port));
+ mdelay(50);
+}
+
+static int check_usb_device_connecting(struct r8a66597 *r8a66597)
+{
+ int timeout = 10000; /* 100usec * 10000 = 1sec */
+ int i;
+
+ for (i = 0; i < 5; i++) {
+ /* check a usb cable connect */
+ while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) {
+ if (timeout-- < 0) {
+ printf("%s timeout.\n", __func__);
+ return -1;
+ }
+ udelay(100);
+ }
+
+ /* check a data line */
+ r8a66597_check_syssts(r8a66597, 0);
+
+ r8a66597_bus_reset(r8a66597, 0);
+ r8a66597->speed = get_rh_usb_speed(r8a66597, 0);
+
+ if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) {
+ r8a66597->port_change = USB_PORT_STAT_C_CONNECTION;
+ r8a66597->port_status = USB_PORT_STAT_CONNECTION |
+ USB_PORT_STAT_ENABLE;
+ return 0; /* success */
+ }
+
+ R8A66597_DPRINT("USB device has detached. retry = %d\n", i);
+ r8a66597_write(r8a66597, ~DTCH, INTSTS1);
+ }
+
+ return -1; /* fail */
+}
+
+/* based on usb_ohci.c */
+#define min_t(type, x, y) \
+ ({ type __x = (x); type __y = (y); __x < __y ? __x : __y; })
+/*-------------------------------------------------------------------------*
+ * Virtual Root Hub
+ *-------------------------------------------------------------------------*/
+
+#include <usbroothubdes.h>
+
+static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int transfer_len, struct devrequest *cmd)
+{
+ struct r8a66597 *r8a66597 = &gr8a66597;
+ int leni = transfer_len;
+ int len = 0;
+ int stat = 0;
+ __u16 bmRType_bReq;
+ __u16 wValue;
+ __u16 wLength;
+ unsigned char data[32];
+
+ R8A66597_DPRINT("%s\n", __func__);
+
+ if (usb_pipeint(pipe)) {
+ printf("Root-Hub submit IRQ: NOT implemented");
+ return 0;
+ }
+
+ bmRType_bReq = cmd->requesttype | (cmd->request << 8);
+ wValue = cpu_to_le16 (cmd->value);
+ wLength = cpu_to_le16 (cmd->length);
+
+ switch (bmRType_bReq) {
+ case RH_GET_STATUS:
+ *(__u16 *)buffer = cpu_to_le16(1);
+ len = 2;
+ break;
+ case RH_GET_STATUS | RH_INTERFACE:
+ *(__u16 *)buffer = cpu_to_le16(0);
+ len = 2;
+ break;
+ case RH_GET_STATUS | RH_ENDPOINT:
+ *(__u16 *)buffer = cpu_to_le16(0);
+ len = 2;
+ break;
+ case RH_GET_STATUS | RH_CLASS:
+ *(__u32 *)buffer = cpu_to_le32(0);
+ len = 4;
+ break;
+ case RH_GET_STATUS | RH_OTHER | RH_CLASS:
+ *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status |
+ (r8a66597->port_change << 16));
+ len = 4;
+ break;
+ case RH_CLEAR_FEATURE | RH_ENDPOINT:
+ case RH_CLEAR_FEATURE | RH_CLASS:
+ break;
+
+ case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
+ switch (wValue) {
+ case RH_C_PORT_CONNECTION:
+ r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION;
+ break;
+ }
+ break;
+
+ case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
+ switch (wValue) {
+ case (RH_PORT_SUSPEND):
+ break;
+ case (RH_PORT_RESET):
+ r8a66597_bus_reset(r8a66597, 0);
+ break;
+ case (RH_PORT_POWER):
+ break;
+ case (RH_PORT_ENABLE):
+ break;
+ }
+ break;
+ case RH_SET_ADDRESS:
+ gr8a66597.rh_devnum = wValue;
+ break;
+ case RH_GET_DESCRIPTOR:
+ switch ((wValue & 0xff00) >> 8) {
+ case (0x01): /* device descriptor */
+ len = min_t(unsigned int,
+ leni,
+ min_t(unsigned int,
+ sizeof(root_hub_dev_des),
+ wLength));
+ memcpy(buffer, root_hub_dev_des, len);
+ break;
+ case (0x02): /* configuration descriptor */
+ len = min_t(unsigned int,
+ leni,
+ min_t(unsigned int,
+ sizeof(root_hub_config_des),
+ wLength));
+ memcpy(buffer, root_hub_config_des, len);
+ break;
+ case (0x03): /* string descriptors */
+ if (wValue == 0x0300) {
+ len = min_t(unsigned int,
+ leni,
+ min_t(unsigned int,
+ sizeof(root_hub_str_index0),
+ wLength));
+ memcpy(buffer, root_hub_str_index0, len);
+ }
+ if (wValue == 0x0301) {
+ len = min_t(unsigned int,
+ leni,
+ min_t(unsigned int,
+ sizeof(root_hub_str_index1),
+ wLength));
+ memcpy(buffer, root_hub_str_index1, len);
+ }
+ break;
+ default:
+ stat = USB_ST_STALLED;
+ }
+ break;
+
+ case RH_GET_DESCRIPTOR | RH_CLASS:
+ {
+ __u32 temp = 0x00000001;
+
+ data[0] = 9; /* min length; */
+ data[1] = 0x29;
+ data[2] = temp & RH_A_NDP;
+ data[3] = 0;
+ if (temp & RH_A_PSM)
+ data[3] |= 0x1;
+ if (temp & RH_A_NOCP)
+ data[3] |= 0x10;
+ else if (temp & RH_A_OCPM)
+ data[3] |= 0x8;
+
+ /* corresponds to data[4-7] */
+ data[5] = (temp & RH_A_POTPGT) >> 24;
+ data[7] = temp & RH_B_DR;
+ if (data[2] < 7) {
+ data[8] = 0xff;
+ } else {
+ data[0] += 2;
+ data[8] = (temp & RH_B_DR) >> 8;
+ data[10] = data[9] = 0xff;
+ }
+
+ len = min_t(unsigned int, leni,
+ min_t(unsigned int, data[0], wLength));
+ memcpy(buffer, data, len);
+ break;
+ }
+
+ case RH_GET_CONFIGURATION:
+ *(__u8 *) buffer = 0x01;
+ len = 1;
+ break;
+ case RH_SET_CONFIGURATION:
+ break;
+ default:
+ R8A66597_DPRINT("unsupported root hub command");
+ stat = USB_ST_STALLED;
+ }
+
+ mdelay(1);
+
+ len = min_t(int, len, leni);
+
+ dev->act_len = len;
+ dev->status = stat;
+
+ return stat;
+}
+
+int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+ int transfer_len)
+{
+ struct r8a66597 *r8a66597 = &gr8a66597;
+ int ret = 0;
+
+ R8A66597_DPRINT("%s\n", __func__);
+ R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
+ pipe, buffer, transfer_len, dev->devnum);
+
+ set_devadd(r8a66597, dev->devnum, dev, 0);
+
+ pipe_buffer_setting(r8a66597, dev, pipe);
+
+ dev->act_len = 0;
+ while (dev->act_len < transfer_len && ret == 0) {
+ if (ctrlc())
+ return -1;
+
+ if (usb_pipein(pipe))
+ ret = receive_bulk_packet(r8a66597, dev, pipe, buffer,
+ transfer_len);
+ else
+ ret = send_bulk_packet(r8a66597, dev, pipe, buffer,
+ transfer_len);
+ }
+
+ if (ret == 0)
+ dev->status = 0;
+
+ return ret;
+}
+
+int submit_control_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int transfer_len, struct devrequest *setup)
+{
+ struct r8a66597 *r8a66597 = &gr8a66597;
+ u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ?
+ 0 : dev->devnum;
+
+ R8A66597_DPRINT("%s\n", __func__);
+ if (usb_pipedevice(pipe) == r8a66597->rh_devnum)
+ return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len,
+ setup);
+
+ R8A66597_DPRINT("%s: setup\n", __func__);
+ set_devadd(r8a66597, r8a66597_address, dev, 0);
+
+ if (send_setup_packet(r8a66597, dev, setup) < 0) {
+ printf("setup packet send error\n");
+ return -1;
+ }
+
+ dev->act_len = 0;
+ if (usb_pipein(pipe))
+ if (receive_control_packet(r8a66597, dev, buffer,
+ transfer_len) < 0)
+ return -1;
+
+ if (send_status_packet(r8a66597, pipe) < 0)
+ return -1;
+
+ dev->status = 0;
+
+ return 0;
+}
+
+int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+ int transfer_len, int interval)
+{
+ /* no implement */
+ R8A66597_DPRINT("%s\n", __func__);
+ return 0;
+}
+
+int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
+{
+ struct r8a66597 *r8a66597 = &gr8a66597;
+
+ R8A66597_DPRINT("%s\n", __func__);
+
+ memset(r8a66597, 0, sizeof(r8a66597));
+ r8a66597->reg = CONFIG_R8A66597_BASE_ADDR;
+
+ disable_controller(r8a66597);
+ mdelay(100);
+
+ enable_controller(r8a66597);
+ r8a66597_port_power(r8a66597, 0 , 1);
+
+ /* check usb device */
+ check_usb_device_connecting(r8a66597);
+
+ mdelay(50);
+
+ return 0;
+}
+
+int usb_lowlevel_stop(int index)
+{
+ disable_controller(&gr8a66597);
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff