/* * 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 unsigned short clock = CONFIG_R8A66597_XTAL; static unsigned short vif = CONFIG_R8A66597_LDRV; static unsigned short endian = CONFIG_R8A66597_ENDIAN; 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, clock, 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, vif & 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, endian & BIGEND, CFIFOSEL); r8a66597_bset(r8a66597, endian & BIGEND, D0FIFOSEL); r8a66597_bset(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) { wait_ms(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) { wait_ms(10); r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port)); wait_ms(50); r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port)); wait_ms(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 *-------------------------------------------------------------------------*/ /* Device descriptor */ static __u8 root_hub_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; */ 0x01, /* __u8 iProduct; */ 0x00, /* __u8 iSerialNumber; */ 0x01 /* __u8 bNumConfigurations; */ }; /* Configuration descriptor */ static __u8 root_hub_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; */ 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 */ 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ 0x00, 0xff /* __u8 ep_bInterval; 255 ms */ }; static unsigned char root_hub_str_index0[] = { 0x04, /* __u8 bLength; */ 0x03, /* __u8 bDescriptorType; String-descriptor */ 0x09, /* __u8 lang ID */ 0x04, /* __u8 lang ID */ }; static unsigned char root_hub_str_index1[] = { 34, /* __u8 bLength; */ 0x03, /* __u8 bDescriptorType; String-descriptor */ 'R', /* __u8 Unicode */ 0, /* __u8 Unicode */ '8', /* __u8 Unicode */ 0, /* __u8 Unicode */ 'A', /* __u8 Unicode */ 0, /* __u8 Unicode */ '6', /* __u8 Unicode */ 0, /* __u8 Unicode */ '6', /* __u8 Unicode */ 0, /* __u8 Unicode */ '5', /* __u8 Unicode */ 0, /* __u8 Unicode */ '9', /* __u8 Unicode */ 0, /* __u8 Unicode */ '7', /* __u8 Unicode */ 0, /* __u8 Unicode */ ' ', /* __u8 Unicode */ 0, /* __u8 Unicode */ 'R', /* __u8 Unicode */ 0, /* __u8 Unicode */ 'o', /* __u8 Unicode */ 0, /* __u8 Unicode */ 'o', /* __u8 Unicode */ 0, /* __u8 Unicode */ 't', /* __u8 Unicode */ 0, /* __u8 Unicode */ 'H', /* __u8 Unicode */ 0, /* __u8 Unicode */ 'u', /* __u8 Unicode */ 0, /* __u8 Unicode */ 'b', /* __u8 Unicode */ 0, /* __u8 Unicode */ }; 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 wIndex; __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); wIndex = cpu_to_le16 (cmd->index); 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; } wait_ms(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; } void usb_event_poll(void) { /* no implement */ R8A66597_DPRINT("%s\n", __func__); } int usb_lowlevel_init(void) { struct r8a66597 *r8a66597 = &gr8a66597; R8A66597_DPRINT("%s\n", __func__); memset(r8a66597, 0, sizeof(r8a66597)); r8a66597->reg = CONFIG_R8A66597_BASE_ADDR; disable_controller(r8a66597); wait_ms(100); enable_controller(r8a66597); r8a66597_port_power(r8a66597, 0 , 1); /* check usb device */ check_usb_device_connecting(r8a66597); wait_ms(50); return 0; } int usb_lowlevel_stop(void) { disable_controller(&gr8a66597); return 0; }