• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    迪恩网络公众号

C++ BIT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BIT函数的典型用法代码示例。如果您正苦于以下问题:C++ BIT函数的具体用法?C++ BIT怎么用?C++ BIT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BIT函数的20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: hostap_master_start_xmit

/* hard_start_xmit function for master radio interface wifi#.
 * AP processing (TX rate control, power save buffering, etc.).
 * Use hardware TX function to send the frame. */
int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
	struct hostap_interface *iface;
	local_info_t *local;
	int ret = NETDEV_TX_BUSY;
	u16 fc;
	struct hostap_tx_data tx;
	ap_tx_ret tx_ret;
	struct hostap_skb_tx_data *meta;
	int no_encrypt = 0;
	struct ieee80211_hdr *hdr;

	iface = netdev_priv(dev);
	local = iface->local;

	tx.skb = skb;
	tx.sta_ptr = NULL;

	meta = (struct hostap_skb_tx_data *) skb->cb;
	if (meta->magic != HOSTAP_SKB_TX_DATA_MAGIC) {
		printk(KERN_DEBUG "%s: invalid skb->cb magic (0x%08x, "
		       "expected 0x%08x)\n",
		       dev->name, meta->magic, HOSTAP_SKB_TX_DATA_MAGIC);
		ret = 0;
		iface->stats.tx_dropped++;
		goto fail;
	}

	if (local->host_encrypt) {
		/* Set crypt to default algorithm and key; will be replaced in
		 * AP code if STA has own alg/key */
		tx.crypt = local->crypt_info.crypt[local->crypt_info.tx_keyidx];
		tx.host_encrypt = 1;
	} else {
		tx.crypt = NULL;
		tx.host_encrypt = 0;
	}

	if (skb->len < 24) {
		printk(KERN_DEBUG "%s: hostap_master_start_xmit: short skb "
		       "(len=%d)\n", dev->name, skb->len);
		ret = 0;
		iface->stats.tx_dropped++;
		goto fail;
	}

	/* FIX (?):
	 * Wi-Fi 802.11b test plan suggests that AP should ignore power save
	 * bit in authentication and (re)association frames and assume tha
	 * STA remains awake for the response. */
	tx_ret = hostap_handle_sta_tx(local, &tx);
	skb = tx.skb;
	meta = (struct hostap_skb_tx_data *) skb->cb;
	hdr = (struct ieee80211_hdr *) skb->data;
	fc = le16_to_cpu(hdr->frame_control);
	switch (tx_ret) {
	case AP_TX_CONTINUE:
		break;
	case AP_TX_CONTINUE_NOT_AUTHORIZED:
		if (local->ieee_802_1x &&
		    ieee80211_is_data(hdr->frame_control) &&
		    meta->ethertype != ETH_P_PAE &&
		    !(meta->flags & HOSTAP_TX_FLAGS_WDS)) {
			printk(KERN_DEBUG "%s: dropped frame to unauthorized "
			       "port (IEEE 802.1X): ethertype=0x%04x\n",
			       dev->name, meta->ethertype);
			hostap_dump_tx_80211(dev->name, skb);

			ret = 0; /* drop packet */
			iface->stats.tx_dropped++;
			goto fail;
		}
		break;
	case AP_TX_DROP:
		ret = 0; /* drop packet */
		iface->stats.tx_dropped++;
		goto fail;
	case AP_TX_RETRY:
		goto fail;
	case AP_TX_BUFFERED:
		/* do not free skb here, it will be freed when the
		 * buffered frame is sent/timed out */
		ret = 0;
		goto tx_exit;
	}

	/* Request TX callback if protocol version is 2 in 802.11 header;
	 * this version 2 is a special case used between hostapd and kernel
	 * driver */
	if (((fc & IEEE80211_FCTL_VERS) == BIT(1)) &&
	    local->ap && local->ap->tx_callback_idx && meta->tx_cb_idx == 0) {
		meta->tx_cb_idx = local->ap->tx_callback_idx;

		/* remove special version from the frame header */
		fc &= ~IEEE80211_FCTL_VERS;
		hdr->frame_control = cpu_to_le16(fc);
	}
//.........这里部分代码省略.........
开发者ID:AppEngine,项目名称:linux-2.6,代码行数:101,代码来源:hostap_80211_tx.c


示例2: RCU_GPIOxRST

/*!
    \brief      reset the peripherals
    \param[in]  periph_reset: RCU peripherals reset, refer to rcu_periph_reset_enum
                only one parameter can be selected which is shown as below:
      \arg        RCU_GPIOxRST (x=A,B,C,D,E): reset GPIO ports
      \arg        RCU_AFRST : reset alternate function clock
      \arg        RCU_USBFSRST: reset USBFS
      \arg        RCU_TIMERxRST (x=0,1,2,3,4,5,6,7,8,9,10,11,12,13): reset TIMER
      \arg        RCU_WWDGTRST: reset WWDGT
      \arg        RCU_SPIxRST (x=0,1,2): reset SPI
      \arg        RCU_USARTxRST (x=0,1,2): reset USART
      \arg        RCU_UARTxRST (x=3,4): reset UART
      \arg        RCU_I2CxRST (x=0,1): reset I2C
      \arg        RCU_CANxRST (x=0,1): reset CAN
      \arg        RCU_PMURST: reset PMU
      \arg        RCU_DACRST: reset DAC
      \arg        RCU_ADCxRST (x=0,1): reset ADC
      \arg        RCU_CTCRST: reset CTC
      \arg        RCU_BKPIRST: reset BKPI
    \param[out] none
    \retval     none
*/
void rcu_periph_reset_enable(rcu_periph_reset_enum periph_reset)
{
    RCU_REG_VAL(periph_reset) |= BIT(RCU_BIT_POS(periph_reset));
}
开发者ID:oscarh,项目名称:mbed-os,代码行数:26,代码来源:gd32e10x_rcu.c


示例3: rcu_interrupt_enable

/*!
    \brief      enable the stabilization interrupt
    \param[in]  stab_int: clock stabilization interrupt, refer to rcu_int_enum
                only one parameter can be selected which is shown as below:
      \arg        RCU_INT_IRC40KSTB: IRC40K stabilization interrupt enable
      \arg        RCU_INT_LXTALSTB: LXTAL stabilization interrupt enable
      \arg        RCU_INT_IRC8MSTB: IRC8M stabilization interrupt enable
      \arg        RCU_INT_HXTALSTB: HXTAL stabilization interrupt enable
      \arg        RCU_INT_PLLSTB: PLL stabilization interrupt enable
      \arg        RCU_INT_PLL1STB: PLL1 stabilization interrupt enable
      \arg        RCU_INT_PLL2STB: PLL2 stabilization interrupt enable
      \arg        RCU_INT_IRC48MSTB: IRC48M stabilization interrupt enable
    \param[out] none
    \retval     none
*/
void rcu_interrupt_enable(rcu_int_enum stab_int)
{
    RCU_REG_VAL(stab_int) |= BIT(RCU_BIT_POS(stab_int));
}
开发者ID:oscarh,项目名称:mbed-os,代码行数:19,代码来源:gd32e10x_rcu.c


示例4: ipu_crtc_init

static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,
	struct ipu_client_platformdata *pdata, struct drm_device *drm)
{
	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);
	int dp = -EINVAL;
	int ret;
	int id;

	ret = ipu_get_resources(ipu_crtc, pdata);
	if (ret) {
		dev_err(ipu_crtc->dev, "getting resources failed with %d.\n",
				ret);
		return ret;
	}

	ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc,
			&ipu_crtc_helper_funcs, ipu_crtc->dev->of_node);
	if (ret) {
		dev_err(ipu_crtc->dev, "adding crtc failed with %d.\n", ret);
		goto err_put_resources;
	}

	if (pdata->dp >= 0)
		dp = IPU_DP_FLOW_SYNC_BG;
	id = imx_drm_crtc_id(ipu_crtc->imx_crtc);
	ipu_crtc->plane[0] = ipu_plane_init(ipu_crtc->base.dev, ipu,
					    pdata->dma[0], dp, BIT(id), true);
	ret = ipu_plane_get_resources(ipu_crtc->plane[0]);
	if (ret) {
		dev_err(ipu_crtc->dev, "getting plane 0 resources failed with %d.\n",
			ret);
		goto err_remove_crtc;
	}

	/* If this crtc is using the DP, add an overlay plane */
	if (pdata->dp >= 0 && pdata->dma[1] > 0) {
		ipu_crtc->plane[1] = ipu_plane_init(ipu_crtc->base.dev, ipu,
						    pdata->dma[1],
						    IPU_DP_FLOW_SYNC_FG,
						    BIT(id), false);
		if (IS_ERR(ipu_crtc->plane[1]))
			ipu_crtc->plane[1] = NULL;
	}

	ipu_crtc->irq = ipu_plane_irq(ipu_crtc->plane[0]);
	ret = devm_request_irq(ipu_crtc->dev, ipu_crtc->irq, ipu_irq_handler, 0,
			"imx_drm", ipu_crtc);
	if (ret < 0) {
		dev_err(ipu_crtc->dev, "irq request failed with %d.\n", ret);
		goto err_put_plane_res;
	}

	return 0;

err_put_plane_res:
	ipu_plane_put_resources(ipu_crtc->plane[0]);
err_remove_crtc:
	imx_drm_remove_crtc(ipu_crtc->imx_crtc);
err_put_resources:
	ipu_put_resources(ipu_crtc);

	return ret;
}
开发者ID:7799,项目名称:linux,代码行数:63,代码来源:ipuv3-crtc.c


示例5: BIT

void luxor_55_10828_device::abcbus_cs(UINT8 data)
{
	UINT8 address = 0x2c | BIT(m_s1->read(), 0);

	m_cs = (data == address);
}
开发者ID:felipesanches,项目名称:ume,代码行数:6,代码来源:lux10828.c


示例6: ath_paprd_calibrate

void ath_paprd_calibrate(struct work_struct *work)
{
	struct ath_softc *sc = container_of(work, struct ath_softc, paprd_work);
	struct ieee80211_hw *hw = sc->hw;
	struct ath_hw *ah = sc->sc_ah;
	struct ieee80211_hdr *hdr;
	struct sk_buff *skb = NULL;
	struct ath9k_hw_cal_data *caldata = ah->caldata;
	struct ath_common *common = ath9k_hw_common(ah);
	int ftype;
	int chain_ok = 0;
	int chain;
	int len = 1800;
	int ret;

	if (!caldata || !caldata->paprd_packet_sent || caldata->paprd_done)
		return;

	ath9k_ps_wakeup(sc);

	if (ar9003_paprd_init_table(ah) < 0)
		goto fail_paprd;

	skb = alloc_skb(len, GFP_KERNEL);
	if (!skb)
		goto fail_paprd;

	skb_put(skb, len);
	memset(skb->data, 0, len);
	hdr = (struct ieee80211_hdr *)skb->data;
	ftype = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC;
	hdr->frame_control = cpu_to_le16(ftype);
	hdr->duration_id = cpu_to_le16(10);
	memcpy(hdr->addr1, hw->wiphy->perm_addr, ETH_ALEN);
	memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN);
	memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN);

	for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
		if (!(ah->txchainmask & BIT(chain)))
			continue;

		chain_ok = 0;
		ar9003_paprd_setup_gain_table(ah, chain);

		ath_dbg(common, CALIBRATE,
			"Sending PAPRD training frame on chain %d\n", chain);
		if (!ath_paprd_send_frame(sc, skb, chain))
			goto fail_paprd;

		if (!ar9003_paprd_is_done(ah)) {
			ath_dbg(common, CALIBRATE,
				"PAPRD not yet done on chain %d\n", chain);
			break;
		}

		ret = ar9003_paprd_create_curve(ah, caldata, chain);
		if (ret == -EINPROGRESS) {
			ath_dbg(common, CALIBRATE,
				"PAPRD curve on chain %d needs to be re-trained\n",
				chain);
			break;
		} else if (ret) {
			ath_dbg(common, CALIBRATE,
				"PAPRD create curve failed on chain %d\n",
				chain);
			break;
		}

		chain_ok = 1;
	}
	kfree_skb(skb);

	if (chain_ok) {
		caldata->paprd_done = true;
		ath_paprd_activate(sc);
	}

fail_paprd:
	ath9k_ps_restore(sc);
}
开发者ID:ARMWorks,项目名称:FA_2451_Linux_Kernel,代码行数:80,代码来源:link.c


示例7: if


//.........这里部分代码省略.........
    }
    else if (functionName->isEqualTo(kFakeSMCGetKeyValue)) {
        
        result = kIOReturnBadArgument;
        
        if (const char *name = (const char *)param1) {
            
            result = kIOReturnError;
            
            if (FakeSMCKey *key = getKey(name)) {
                
                result = kIOReturnBadArgument;
                
                if (param2 && param3) {
                    UInt8 *size = (UInt8*)param2;
                    const void **value = (const void **)param3;
                    
                    *size = key->getSize();
                    *value = key->getValue();
                    
                    result = kIOReturnSuccess;
                }
            }
        }
    }
    else if (functionName->isEqualTo(kFakeSMCTakeVacantGPUIndex)) {
        
        result = kIOReturnBadArgument;
        
        KEYSLOCK;
        
        if (SInt8 *index = (SInt8*)param1) {
            for (UInt8 i = 0; i <= 0xf; i++) {
                if (!bit_get(vacantGPUIndex, BIT(i))) {
                    bit_set(vacantGPUIndex, BIT(i));
                    *index = i;
                    result = kIOReturnSuccess;
                    break;
                }
            }
            
            if (result != kIOReturnSuccess)
                result = kIOReturnError;
        }
        
        KEYSUNLOCK;
    }
    else if (functionName->isEqualTo(kFakeSMCTakeGPUIndex)) {
        
        result = kIOReturnBadArgument;
        
        KEYSLOCK;
        
        if (UInt8 *index = (UInt8*)param1) {
            if (*index < 0xf && !bit_get(vacantGPUIndex, BIT(*index))) {
                bit_set(vacantGPUIndex, BIT(*index));
                result = kIOReturnSuccess;
            }
            
            if (result != kIOReturnSuccess)
                result = kIOReturnError;
        }
        
        KEYSUNLOCK;
    }
    else if (functionName->isEqualTo(kFakeSMCReleaseGPUIndex)) {
开发者ID:hanajiheechoi,项目名称:OS-X-FakeSMC-kozlek,代码行数:67,代码来源:FakeSMCDevice.cpp


示例8: ISL29028_DEV_ATTR

#define ISL29028_DEV_ATTR(name) (&iio_dev_attr_##name.dev_attr.attr)
#define ISL29028_CONST_ATTR(name) (&iio_const_attr_##name.dev_attr.attr)
static struct attribute *isl29028_attributes[] = {
	ISL29028_CONST_ATTR(in_proximity_sampling_frequency_available),
	ISL29028_CONST_ATTR(in_illuminance_scale_available),
	NULL,
};

static const struct attribute_group isl29108_group = {
	.attrs = isl29028_attributes,
};

static const struct iio_chan_spec isl29028_channels[] = {
	{
		.type = IIO_LIGHT,
		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |
		BIT(IIO_CHAN_INFO_SCALE) |
		BIT(IIO_CHAN_INFO_RAW),
	}, {
		.type = IIO_INTENSITY,
		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
	}, {
		.type = IIO_PROXIMITY,
		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
		BIT(IIO_CHAN_INFO_SAMP_FREQ),
	}
};

static const struct iio_info isl29028_info = {
	.attrs = &isl29108_group,
	.driver_module = THIS_MODULE,
开发者ID:Lloir,项目名称:nvidia-linux-3.10,代码行数:31,代码来源:isl29028.c


示例9: send_assoc_resp

static void send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta,
			    u16 status_code, int reassoc, const u8 *ies,
			    size_t ies_len)
{
	int send_len;
	u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
	struct ieee80211_mgmt *reply;
	u8 *p;

	os_memset(buf, 0, sizeof(buf));
	reply = (struct ieee80211_mgmt *) buf;
	reply->frame_control =
		IEEE80211_FC(WLAN_FC_TYPE_MGMT,
			     (reassoc ? WLAN_FC_STYPE_REASSOC_RESP :
			      WLAN_FC_STYPE_ASSOC_RESP));
	os_memcpy(reply->da, sta->addr, ETH_ALEN);
	os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN);
	os_memcpy(reply->bssid, hapd->own_addr, ETH_ALEN);

	send_len = IEEE80211_HDRLEN;
	send_len += sizeof(reply->u.assoc_resp);
	reply->u.assoc_resp.capab_info =
		host_to_le16(hostapd_own_capab_info(hapd, sta, 0));
	reply->u.assoc_resp.status_code = host_to_le16(status_code);
	reply->u.assoc_resp.aid = host_to_le16((sta ? sta->aid : 0)
					       | BIT(14) | BIT(15));
	/* Supported rates */
	p = hostapd_eid_supp_rates(hapd, reply->u.assoc_resp.variable);
	/* Extended supported rates */
	p = hostapd_eid_ext_supp_rates(hapd, p);

#ifdef CONFIG_IEEE80211R
	if (status_code == WLAN_STATUS_SUCCESS) {
		/* IEEE 802.11r: Mobility Domain Information, Fast BSS
		 * Transition Information, RSN, [RIC Response] */
		p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, p,
						buf + sizeof(buf) - p,
						sta->auth_alg, ies, ies_len);
	}
#endif /* CONFIG_IEEE80211R */

#ifdef CONFIG_IEEE80211W
	if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY)
		p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
#endif /* CONFIG_IEEE80211W */

#ifdef CONFIG_IEEE80211N
	p = hostapd_eid_ht_capabilities(hapd, p);
	p = hostapd_eid_ht_operation(hapd, p);
#endif /* CONFIG_IEEE80211N */

	if (sta->flags & WLAN_STA_WMM)
		p = hostapd_eid_wmm(hapd, p);

#ifdef CONFIG_WPS
	if (sta->flags & WLAN_STA_WPS) {
		struct wpabuf *wps = wps_build_assoc_resp_ie();
		if (wps) {
			os_memcpy(p, wpabuf_head(wps), wpabuf_len(wps));
			p += wpabuf_len(wps);
			wpabuf_free(wps);
		}
	}
#endif /* CONFIG_WPS */

	send_len += p - reply->u.assoc_resp.variable;

	if (hapd->drv.send_mgmt_frame(hapd, reply, send_len) < 0)
		wpa_printf(MSG_INFO, "Failed to send assoc resp: %s",
			   strerror(errno));
}
开发者ID:progloverfan,项目名称:mod-hostapd,代码行数:71,代码来源:ieee802_11.c


示例10: BIT

int superpet_device::pet_diag_r()
{
	return BIT(m_system, 3);
}
开发者ID:Robbbert,项目名称:store1,代码行数:4,代码来源:superpet.cpp


示例11: BIT

	/* NVM SW-Section offset (in words) definitions */
	NVM_VERSION_EXT_NVM = 0,
	RADIO_CFG_FAMILY_EXT_NVM = 0,
	SKU_FAMILY_8000 = 2,
	N_HW_ADDRS_FAMILY_8000 = 3,

	/* NVM REGULATORY -Section offset (in words) definitions */
	NVM_CHANNELS_EXTENDED = 0,
	NVM_LAR_OFFSET_OLD = 0x4C7,
	NVM_LAR_OFFSET = 0x507,
	NVM_LAR_ENABLED = 0x7,
};

/* SKU Capabilities (actual values from NVM definition) */
enum nvm_sku_bits {
	NVM_SKU_CAP_BAND_24GHZ		= BIT(0),
	NVM_SKU_CAP_BAND_52GHZ		= BIT(1),
	NVM_SKU_CAP_11N_ENABLE		= BIT(2),
	NVM_SKU_CAP_11AC_ENABLE		= BIT(3),
	NVM_SKU_CAP_MIMO_DISABLE	= BIT(5),
};

/*
 * These are the channel numbers in the order that they are stored in the NVM
 */
static const u16 iwl_nvm_channels[] = {
	/* 2.4 GHz */
	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
	/* 5 GHz */
	36, 40, 44 , 48, 52, 56, 60, 64,
	100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
开发者ID:avagin,项目名称:linux,代码行数:31,代码来源:iwl-nvm-parse.c


示例12: switch

void superpet_device::pet_bd_w(address_space &space, offs_t offset, uint8_t data, int &sel)
{
	switch (sel)
	{
	case pet_expansion_slot_device::SEL9:
		if (!m_sel9_rom && is_ram_writable())
		{
			m_ram[((m_bank & 0x0f) << 12) | (offset & 0xfff)] = data;
		}
		break;
	}

	switch (offset)
	{
	case 0xefe0:
	case 0xefe1:
	case 0xefe2:
	case 0xefe3:
		m_dongle->write(space, offset & 0x03, data);
		printf("6702 %u %02x\n", offset & 0x03, data);
		break;

	case 0xeff0:
	case 0xeff1:
	case 0xeff2:
	case 0xeff3:
		m_acia->write(space, offset & 0x03, data);
		break;

	case 0xeff8:
	case 0xeff9:
		if (BIT(m_bank, 7))
		{
			/*

			    bit     description

			    0       SW2 CPU (0=6809, 1=6502)
			    1       SW1 RAM (0=read only, 1=read/write)
			    2
			    3       DIAG
			    4
			    5
			    6
			    7

			*/

			m_system = data;
			update_cpu();
			printf("SYSTEM %02x\n", data);
		}
		break;

	case 0xeffc:
	case 0xeffd:
		/*

		    bit     description

		    0       A0
		    1       A1
		    2       A2
		    3       SEL A
		    4       J1 pin 40
		    5       SEL B
		    6       J1 pin 39
		    7       BIT 7

		*/

		m_bank = data;
		printf("BANK %02x\n", data);
		break;
	}
}
开发者ID:Robbbert,项目名称:store1,代码行数:76,代码来源:superpet.cpp


示例13: return

inline bool superpet_device::is_ram_writable()
{
	return (m_sw1 == 2) ? BIT(m_system, 1) : m_sw1;
}
开发者ID:Robbbert,项目名称:store1,代码行数:4,代码来源:superpet.cpp


示例14: ath_pci_probe

static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
	struct ath_softc *sc;
	struct ieee80211_hw *hw;
	u8 csz;
	u32 val;
	int ret = 0;
	char hw_name[64];

	if (pcim_enable_device(pdev))
		return -EIO;

	ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
	if (ret) {
		pr_err("32-bit DMA not available\n");
		return ret;
	}

	ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
	if (ret) {
		pr_err("32-bit DMA consistent DMA enable failed\n");
		return ret;
	}

	/*
	 * Cache line size is used to size and align various
	 * structures used to communicate with the hardware.
	 */
	pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
	if (csz == 0) {
		/*
		 * Linux 2.4.18 (at least) writes the cache line size
		 * register as a 16-bit wide register which is wrong.
		 * We must have this setup properly for rx buffer
		 * DMA to work so force a reasonable value here if it
		 * comes up zero.
		 */
		csz = L1_CACHE_BYTES / sizeof(u32);
		pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
	}
	/*
	 * The default setting of latency timer yields poor results,
	 * set it to the value used by other systems. It may be worth
	 * tweaking this setting more.
	 */
	pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);

	pci_set_master(pdev);

	/*
	 * Disable the RETRY_TIMEOUT register (0x41) to keep
	 * PCI Tx retries from interfering with C3 CPU state.
	 */
	pci_read_config_dword(pdev, 0x40, &val);
	if ((val & 0x0000ff00) != 0)
		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);

	ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
	if (ret) {
		dev_err(&pdev->dev, "PCI memory region reserve error\n");
		return -ENODEV;
	}

	ath9k_fill_chanctx_ops();
	hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
	if (!hw) {
		dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
		return -ENOMEM;
	}

	SET_IEEE80211_DEV(hw, &pdev->dev);
	pci_set_drvdata(pdev, hw);

	sc = hw->priv;
	sc->hw = hw;
	sc->dev = &pdev->dev;
	sc->mem = pcim_iomap_table(pdev)[0];
	sc->driver_data = id->driver_data;

	ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
	if (ret) {
		dev_err(&pdev->dev, "request_irq failed\n");
		goto err_irq;
	}

	sc->irq = pdev->irq;

	ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
	if (ret) {
		dev_err(&pdev->dev, "Failed to initialize device\n");
		goto err_init;
	}

	ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
	wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
		   hw_name, (unsigned long)sc->mem, pdev->irq);

	return 0;

err_init:
//.........这里部分代码省略.........
开发者ID:513855417,项目名称:linux,代码行数:101,代码来源:pci.c


示例15: tvout_Change_dis_size

void tvout_Change_dis_size(u8 factor, bool updateFlag)
{
	static u8 u8pre_factor = 0;
	u32 tmpLCDcon46 = 0;
	u32 lcd_con_reg_save;
	if(!updateFlag)
	{
		if(u8pre_factor != factor)
			u8pre_factor = factor;
		else
			return;
	}
		
	switch(factor)
	{

		case 0:
			lcd_con_reg_save = REG32(LCDCON0);
			DIS_OSD1();
			DIS_OSD2();
			DIS_OSD3();
			lcd_set_panel_colour(0,0,0);
			#if(0 == LCD_MCU)
				waittingLcdFrameEnd();
				REG32(LCDCON0) &= ~(BIT(0)|BIT(6));
				tmpLCDcon46 = REG32(LCDCON46);
				tvout_Set_Dis_Offset(0,0,u32csi_Dma_Size_H);
				while (tmpLCDcon46 == REG32(LCDCON46));
				tvout_display_set(0,0,u32csi_Dma_Size_H,u32csi_Dma_Size_H,u32csi_Dma_Size_V,tvout_get_w(),tvout_get_h());	
				REG32(LCDCON0) = lcd_con_reg_save;
				REG32(LCDCON0) |= (BIT(0)|BIT(6));
			#else
				REG32(LCDCON0) &= ~(BIT(6));
				waittingLcdFrameEnd();
				tmpLCDcon46 = REG32(LCDCON46);
				tvout_Set_Dis_Offset(0,0,u32csi_Dma_Size_H);
				while (tmpLCDcon46 == REG32(LCDCON46));
				tvout_display_set(0,0,u32csi_Dma_Size_H,u32csi_Dma_Size_H,u32csi_Dma_Size_V,tvout_get_w(),tvout_get_h());	
				waittingLcdFrameEnd();
				REG32(LCDCON0) = lcd_con_reg_save;
				REG32(LCDCON0) |= (BIT(6));
			#endif
		break;
		case 1:
			lcd_con_reg_save = REG32(LCDCON0);
			DIS_OSD1();
			DIS_OSD2();
			DIS_OSD3();
			lcd_set_panel_colour(0,0,0);
			#if(0 == LCD_MCU)
				waittingLcdFrameEnd();
				REG32(LCDCON0) &= ~(BIT(0)|BIT(6));
				tmpLCDcon46 = REG32(LCDCON46);
				tvout_Set_Dis_Offset(u32csi_Dma_Size_H/4,u32csi_Dma_Size_V/4,u32csi_Dma_Size_H);
				while (tmpLCDcon46 == REG32(LCDCON46));
				tvout_display_set(0,0,u32csi_Dma_Size_H,u32csi_Dma_Size_H/2,u32csi_Dma_Size_V/2,tvout_get_w(),tvout_get_h());	
				REG32(LCDCON0) = lcd_con_reg_save;
				REG32(LCDCON0) |= (BIT(0)|BIT(6));
			#else
				REG32(LCDCON0) &= ~(BIT(6));
				waittingLcdFrameEnd();
				tmpLCDcon46 = REG32(LCDCON46);
				tvout_Set_Dis_Offset(u32csi_Dma_Size_H/4,u32csi_Dma_Size_V/4,u32csi_Dma_Size_H);
				while (tmpLCDcon46 == REG32(LCDCON46));
				tvout_display_set(0,0,u32csi_Dma_Size_H,u32csi_Dma_Size_H/2,u32csi_Dma_Size_V/2,tvout_get_w(),tvout_get_h());	
				waittingLcdFrameEnd();
				REG32(LCDCON0) = lcd_con_reg_save;
				REG32(LCDCON0) |= (BIT(6));
			#endif
			
		break;
		case 2:
			lcd_con_reg_save = REG32(LCDCON0);
			DIS_OSD1();
			DIS_OSD2();
			DIS_OSD3();
			lcd_set_panel_colour(0,0,0);
			#if(0 == LCD_MCU)
				waittingLcdFrameEnd();
				REG32(LCDCON0) &= ~(BIT(0)|BIT(6));
				tmpLCDcon46 = REG32(LCDCON46);
				tvout_Set_Dis_Offset(u32csi_Dma_Size_H*3/8,u32csi_Dma_Size_V*3/8,u32csi_Dma_Size_H);
				while (tmpLCDcon46 == REG32(LCDCON46));
				tvout_display_set(0,0,u32csi_Dma_Size_H,u32csi_Dma_Size_H/4,u32csi_Dma_Size_V/4,tvout_get_w(),tvout_get_h());	
				REG32(LCDCON0) = lcd_con_reg_save;
				REG32(LCDCON0) |= (BIT(0)|BIT(6));
			#else
				REG32(LCDCON0) &= ~(BIT(6));
				waittingLcdFrameEnd();
				tmpLCDcon46 = REG32(LCDCON46);
				tvout_Set_Dis_Offset(u32csi_Dma_Size_H*3/8,u32csi_Dma_Size_V*3/8,u32csi_Dma_Size_H);
				while (tmpLCDcon46 == REG32(LCDCON46));
				tvout_display_set(0,0,u32csi_Dma_Size_H,u32csi_Dma_Size_H/4,u32csi_Dma_Size_V/4,tvout_get_w(),tvout_get_h());	
				waittingLcdFrameEnd();
				REG32(LCDCON0) = lcd_con_reg_save;
				REG32(LCDCON0) |= (BIT(6));
			#endif
		break;
		default:
			break;
//.........这里部分代码省略.........
开发者ID:mrtos,项目名称:dv3251,代码行数:101,代码来源:tvout.c


示例16: qcom_scm_assign_mem

/**
 * qcom_scm_assign_mem() - Make a secure call to reassign memory ownership
 * @mem_addr: mem region whose ownership need to be reassigned
 * @mem_sz:   size of the region.
 * @srcvm:    vmid for current set of owners, each set bit in
 *            flag indicate a unique owner
 * @newvm:    array having new owners and corrsponding permission
 *            flags
 * @dest_cnt: number of owners in next set.
 *
 * Return negative errno on failure, 0 on success, with @srcvm updated.
 */
int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
			unsigned int *srcvm,
			struct qcom_scm_vmperm *newvm, int dest_cnt)
{
	struct qcom_scm_current_perm_info *destvm;
	struct qcom_scm_mem_map_info *mem_to_map;
	phys_addr_t mem_to_map_phys;
	phys_addr_t dest_phys;
	phys_addr_t ptr_phys;
	size_t mem_to_map_sz;
	size_t dest_sz;
	size_t src_sz;
	size_t ptr_sz;
	int next_vm;
	__le32 *src;
	void *ptr;
	int ret;
	int len;
	int i;

	src_sz = hweight_long(*srcvm) * sizeof(*src);
	mem_to_map_sz = sizeof(*mem_to_map);
	dest_sz = dest_cnt * sizeof(*destvm);
	ptr_sz = ALIGN(src_sz, SZ_64) + ALIGN(mem_to_map_sz, SZ_64) +
			ALIGN(dest_sz, SZ_64);

	ptr = dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_phys, GFP_KERNEL);
	if (!ptr)
		return -ENOMEM;

	/* Fill source vmid detail */
	src = ptr;
	len = hweight_long(*srcvm);
	for (i = 0; i < len; i++) {
		src[i] = cpu_to_le32(ffs(*srcvm) - 1);
		*srcvm ^= 1 << (ffs(*srcvm) - 1);
	}

	/* Fill details of mem buff to map */
	mem_to_map = ptr + ALIGN(src_sz, SZ_64);
	mem_to_map_phys = ptr_phys + ALIGN(src_sz, SZ_64);
	mem_to_map[0].mem_addr = cpu_to_le64(mem_addr);
	mem_to_map[0].mem_size = cpu_to_le64(mem_sz);

	next_vm = 0;
	/* Fill details of next vmid detail */
	destvm = ptr + ALIGN(mem_to_map_sz, SZ_64) + ALIGN(src_sz, SZ_64);
	dest_phys = ptr_phys + ALIGN(mem_to_map_sz, SZ_64) + ALIGN(src_sz, SZ_64);
	for (i = 0; i < dest_cnt; i++) {
		destvm[i].vmid = cpu_to_le32(newvm[i].vmid);
		destvm[i].perm = cpu_to_le32(newvm[i].perm);
		destvm[i].ctx = 0;
		destvm[i].ctx_size = 0;
		next_vm |= BIT(newvm[i].vmid);
	}

	ret = __qcom_scm_assign_mem(__scm->dev, mem_to_map_phys, mem_to_map_sz,
				    ptr_phys, src_sz, dest_phys, dest_sz);
	dma_free_coherent(__scm->dev, ALIGN(ptr_sz, SZ_64), ptr, ptr_phys);
	if (ret) {
		dev_err(__scm->dev,
			"Assign memory protection call failed %d.\n", ret);
		return -EINVAL;
	}

	*srcvm = next_vm;
	return 0;
}
开发者ID:JamesChenFromChina,项目名称:linux,代码行数:80,代码来源:qcom_scm.c


示例17: DEFINE_CLK_VOTER

static DEFINE_CLK_VOTER(bimc_usb_a_clk,  &bimc_a_clk.c,  LONG_MAX);

/* Branch Voter clocks */
static DEFINE_CLK_BRANCH_VOTER(xo_gcc, &xo_clk_src.c);
static DEFINE_CLK_BRANCH_VOTER(xo_otg_clk, &xo_clk_src.c);
static DEFINE_CLK_BRANCH_VOTER(xo_lpm_clk, &xo_clk_src.c);
static DEFINE_CLK_BRANCH_VOTER(xo_pil_pronto_clk, &xo_clk_src.c);
static DEFINE_CLK_BRANCH_VOTER(xo_pil_mss_clk, &xo_clk_src.c);
static DEFINE_CLK_BRANCH_VOTER(xo_wlan_clk, &xo_clk_src.c);

static struct mux_clk rpm_debug_mux = {
	.ops = &mux_reg_ops,
	.offset = GCC_DEBUG_CLK_CTL,
	.mask = 0x1FF,
	.en_offset = GCC_DEBUG_CLK_CTL,
	.en_mask = BIT(16),
	.base = &virt_base,
	MUX_SRC_LIST(
	{&snoc_clk.c,  0x0000},
	{&pcnoc_clk.c, 0x0008},
	/* BIMC_CLK is 2x clock to the BIMC Core as well as DDR, while the
	 * axi clock is for the BIMC AXI interface. The AXI clock is 1/2 of
	 * the BIMC Clock. measure the gcc_bimc_apss_axi_clk.
	 */
	{&bimc_clk.c,  0x0155},
	),
	.c = {
		.dbg_name = "rpm_debug_mux",
		.ops = &clk_ops_gen_mux,
		.flags = CLKFLAG_NO_RATE_CACHE,
		CLK_INIT(rpm_debug_mux.c),
开发者ID:DgeunLee,项目名称:DTS-Eagle-Integration_CAF-Android-kernel,代码行数:31,代码来源:clock-rpm-8909.c


示例18: SBIT

	RxeOV=		SBIT(14),
	RxeCL=		SBIT(15),
	RxError=	(RxeLG|RxeNO|RxeSH|RxeCR|RxeOV|RxeCL),	/* various error flags */

	/* ether-specific Tx BD bits */
	TxPad=		SBIT(1),	/* pad short frames */
	TxTC=		SBIT(5),	/* transmit CRC */
	TxeDEF=		SBIT(6),
	TxeHB=		SBIT(7),
	TxeLC=		SBIT(8),
	TxeRL=		SBIT(9),
	TxeUN=		SBIT(14),
	TxeCSL=		SBIT(15),

	/* psmr */
	CRCE=		BIT(24),	/* Ethernet CRC */
	FCE=		BIT(10),	/* flow control */
	PRO=		BIT(9),		/* promiscuous mode */
	FDE=		BIT(5),		/* full duplex ethernet */
	LPB=		BIT(3),		/* local protect bit */

	/* gfmr */
	ENET=		0xc,		/* ethernet mode */
	ENT=		BIT(27),
	ENR=		BIT(26),
	TCI=		BIT(2),

	/* FCC function code register */
	GBL=		0x20,
	BO=		0x18,
	EB=		0x10,		/* Motorola byte order */
开发者ID:carriercomm,项目名称:plan9-gpl,代码行数:31,代码来源:etherfcc.c


示例19: BIT

 the provisions above, a recipient may use your version of this file under
 the terms of any one of the MPL, the GPL or the LGPL.
 
 */

#include "CPUSensors.h"
#include "FakeSMCDefinitions.h"
#include "IntelDefinitions.h"

#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/IORegistryEntry.h>

#include "timer.h"

enum {
    kCPUSensorsCoreThermalSensor           = BIT(0),
    kCPUSensorsPackageThermalSensor        = BIT(1),
    kCPUSensorsCoreMultiplierSensor        = BIT(2),
    kCPUSensorsPackageMultiplierSensor     = BIT(3),
    kCPUSensorsCoreFrequencySensor         = BIT(4),
    kCPUSensorsPackageFrequencySensor      = BIT(5),
    kCPUSensorsTotalPowerSensor            = BIT(6),
    kCPUSensorsCoresPowerSensor            = BIT(7),
    kCPUSensorsUncorePowerSensor           = BIT(8),
    kCPUSensorsDramPowerSensor             = BIT(9),
};

#define super FakeSMCPlugin
OSDefineMetaClassAndStructors(CPUSensors, FakeSMCPlugin)

static inline UInt8 get_hex_index(char c)
开发者ID:ctroncosor,项目名称:HWSensors,代码行数:31,代码来源:CPUSensors.cpp


示例20: GET_CPU_OF_ATTR

#define GET_CPU_OF_ATTR(attr) \
	(container_of(attr, struct msm_pm_kobj_attribute, ka)->cpu)

#define SCLK_HZ (32768)

#define MAX_BUF_SIZE  512

static int msm_pm_debug_mask = 1;
module_param_named(
	debug_mask, msm_pm_debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP
);

static bool use_acpuclk_apis;

enum {
	MSM_PM_DEBUG_SUSPEND = BIT(0),
	MSM_PM_DEBUG_POWER_COLLAPSE = BIT(1),
	MSM_PM_DEBUG_SUSPEND_LIMITS = BIT(2),
	MSM_PM_DEBUG_CLOCK = BIT(3),
	MSM_PM_DEBUG_RESET_VECTOR = BIT(4),
	MSM_PM_DEBUG_IDLE_CLK = BIT(5),
	MSM_PM_DEBUG_IDLE = BIT(6),
	MSM_PM_DEBUG_IDLE_LIMITS = BIT(7),
	MSM_PM_DEBUG_HOTPLUG = BIT(8),
};

enum msm_pc_count_offsets {
	MSM_PC_ENTRY_COUNTER,
	MSM_PC_EXIT_COUNTER,
	MSM_PC_FALLTHRU_COUNTER,
	MSM_PC_NUM_COUNTERS,
开发者ID:Phoenix-CJ23,项目名称:BC_Kernel_D802_LP_STOCK,代码行数:31,代码来源:msm-pm.c



注:本文中的BIT函数示例整理自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。


鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
C++ BITBAND_PERI函数代码示例发布时间:2022-05-30
下一篇:
C++ BIO_write_filename函数代码示例发布时间:2022-05-30
热门推荐
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap