diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/usb/host/r8a66597-hcd.c')
| -rw-r--r-- | qemu/roms/u-boot/drivers/usb/host/r8a66597-hcd.c | 832 |
1 files changed, 0 insertions, 832 deletions
diff --git a/qemu/roms/u-boot/drivers/usb/host/r8a66597-hcd.c b/qemu/roms/u-boot/drivers/usb/host/r8a66597-hcd.c deleted file mode 100644 index dfe5423b8..000000000 --- a/qemu/roms/u-boot/drivers/usb/host/r8a66597-hcd.c +++ /dev/null @@ -1,832 +0,0 @@ -/* - * 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; -} |