| /* |
| * 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; |
| } |
