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C++ r8a66597_read函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中r8a66597_read函数的典型用法代码示例。如果您正苦于以下问题:C++ r8a66597_read函数的具体用法?C++ r8a66597_read怎么用?C++ r8a66597_read使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了r8a66597_read函数的14个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: check_usb_device_connecting

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 */
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:34,代码来源:r8a66597-hcd.c


示例2: r8a66597_clock_enable

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);
#if !defined(CONFIG_RZA_USB)
	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);
#else
	/*
	 * RZ/A Only:
	 * Bits XTAL(UCKSEL) and UPLLE in SYSCFG0 for USB0 controls both USB0
	 * and USB1, so we must always set the USB0 register
	 */
#if (CONFIG_R8A66597_XTAL == 1)
	setbits(le16, R8A66597_BASE0, XTAL);
#endif
	mdelay(1);
	setbits(le16, R8A66597_BASE0, UPLLE);
	mdelay(1);
	r8a66597_bset(r8a66597, SUSPM, SUSPMODE0);
#endif /* CONFIG_RZA_USB */
#endif	/* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */

	return 0;
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:56,代码来源:r8a66597-hcd.c


示例3: receive_bulk_packet

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;
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:56,代码来源:r8a66597-hcd.c


示例4: send_setup_packet

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;
#if defined(CONFIG_RZA_USB)
	u16 dcpctr;
#endif
	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);

#if defined(CONFIG_RZA_USB)
	dcpctr = r8a66597_read(r8a66597, DCPCTR);
	if ((dcpctr & PID) == PID_BUF) {
		if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr,
				       dcpctr & BSTS, 1000) < 0) {
			printf("DCPCTR BSTS timeout!\n");
			return -ETIMEDOUT;
		}
	}
#endif

	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;
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:52,代码来源:r8a66597-hcd.c


示例5: send_status_packet

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;
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:26,代码来源:r8a66597-hcd.c


示例6: send_bulk_packet

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;
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:47,代码来源:r8a66597-hcd.c


示例7: r8a66597_clock_enable

static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
{
	u16 tmp;
	int i = 0;

	if (r8a66597->pdata->on_chip) {
#ifdef CONFIG_HAVE_CLK
		clk_enable(r8a66597->clk);
#endif
		do {
			r8a66597_write(r8a66597, SCKE, SYSCFG0);
			tmp = r8a66597_read(r8a66597, SYSCFG0);
			if (i++ > 1000) {
				printk(KERN_ERR "r8a66597: reg access fail.\n");
				return -ENXIO;
			}
		} while ((tmp & SCKE) != SCKE);
		r8a66597_write(r8a66597, 0x04, 0x02);
	} else {
		do {
			r8a66597_write(r8a66597, USBE, SYSCFG0);
			tmp = r8a66597_read(r8a66597, SYSCFG0);
			if (i++ > 1000) {
				printk(KERN_ERR "r8a66597: reg access fail.\n");
				return -ENXIO;
			}
		} while ((tmp & USBE) != USBE);
		r8a66597_bclr(r8a66597, USBE, SYSCFG0);
		r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata),
			      XTAL, SYSCFG0);

		i = 0;
		r8a66597_bset(r8a66597, XCKE, SYSCFG0);
		do {
			msleep(1);
			tmp = r8a66597_read(r8a66597, SYSCFG0);
			if (i++ > 500) {
				printk(KERN_ERR "r8a66597: reg access fail.\n");
				return -ENXIO;
			}
		} while ((tmp & SCKE) != SCKE);
	}

	return 0;
}
开发者ID:dante312,项目名称:BananaPi-Android-4.2.2-Liab,代码行数:45,代码来源:r8a66597-hcd.c


示例8: receive_control_packet

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;
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:44,代码来源:r8a66597-hcd.c


示例9: r8a66597_check_syssts

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;
		}
	}
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:20,代码来源:r8a66597-hcd.c


示例10: r8a66597_clock_enable

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;
}
开发者ID:0xFelix,项目名称:u-boot-edminiv2,代码行数:41,代码来源:r8a66597-hcd.c


示例11: r8a66597_reg_wait

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);
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:14,代码来源:r8a66597-hcd.c


示例12: send_setup_packet

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;
}
开发者ID:0xFelix,项目名称:u-boot-edminiv2,代码行数:38,代码来源:r8a66597-hcd.c


示例13: disable_controller

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);
}
开发者ID:krtkl,项目名称:snickerdoodle-u-boot,代码行数:36,代码来源:r8a66597-hcd.c


示例14: get_usb_speed

/*-------------------------------------------------------------------------*/
static inline u16 get_usb_speed(struct r8a66597 *r8a66597)
{
	return r8a66597_read(r8a66597, DVSTCTR0) & RHST;
}
开发者ID:513855417,项目名称:linux,代码行数:5,代码来源:r8a66597-udc.c



注:本文中的r8a66597_read函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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