C++ I915_READ8函数代码示例

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本文整理汇总了C++中I915_READ8函数的典型用法代码示例。如果您正苦于以下问题：C++ I915_READ8函数的具体用法？C++ I915_READ8怎么用？C++ I915_READ8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I915_READ8函数的9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: i915_restore_vga

static void i915_restore_vga(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int i;
	u16 cr_index, cr_data, st01;

	/* MSR bits */
	I915_WRITE8(VGA_MSR_WRITE, dev_priv->saveMSR);
	if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
		cr_index = VGA_CR_INDEX_CGA;
		cr_data = VGA_CR_DATA_CGA;
		st01 = VGA_ST01_CGA;
	} else {
		cr_index = VGA_CR_INDEX_MDA;
		cr_data = VGA_CR_DATA_MDA;
		st01 = VGA_ST01_MDA;
	}

	/* Sequencer registers, don't write SR07 */
	for (i = 0; i < 7; i++)
		i915_write_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i,
				   dev_priv->saveSR[i]);

	/* CRT controller regs */
	/* Enable CR group 0 writes */
	i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]);
	for (i = 0; i <= 0x24; i++)
		i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->saveCR[i]);

	/* Graphics controller regs */
	for (i = 0; i < 9; i++)
		i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i,
				   dev_priv->saveGR[i]);

	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10,
			   dev_priv->saveGR[0x10]);
	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11,
			   dev_priv->saveGR[0x11]);
	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18,
			   dev_priv->saveGR[0x18]);

	/* Attribute controller registers */
	I915_READ8(st01); /* switch back to index mode */
	for (i = 0; i <= 0x14; i++)
		i915_write_ar(dev, st01, i, dev_priv->saveAR[i], 0);
	I915_READ8(st01); /* switch back to index mode */
	I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX | 0x20);
	I915_READ8(st01);

	/* VGA color palette registers */
	I915_WRITE8(VGA_DACMASK, dev_priv->saveDACMASK);
	/* DACCRX automatically increments during read */
	I915_WRITE8(VGA_DACWX, 0);
	/* Read 3 bytes of color data from each index */
	for (i = 0; i < 256 * 3; i++)
		I915_WRITE8(VGA_DACDATA, dev_priv->saveDACDATA[i]);

}

开发者ID:mpalmer，项目名称:linux-2.6，代码行数:58，代码来源:i915_suspend.c

示例2: i915_restore_vga

static void i915_restore_vga(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int i;
	u16 cr_index, cr_data, st01;

	
	I915_WRITE8(VGA_MSR_WRITE, dev_priv->saveMSR);
	if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
		cr_index = VGA_CR_INDEX_CGA;
		cr_data = VGA_CR_DATA_CGA;
		st01 = VGA_ST01_CGA;
	} else {
		cr_index = VGA_CR_INDEX_MDA;
		cr_data = VGA_CR_DATA_MDA;
		st01 = VGA_ST01_MDA;
	}

	
	for (i = 0; i < 7; i++)
		i915_write_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i,
				   dev_priv->saveSR[i]);

	
	
	i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]);
	for (i = 0; i <= 0x24; i++)
		i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->saveCR[i]);

	
	for (i = 0; i < 9; i++)
		i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i,
				   dev_priv->saveGR[i]);

	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10,
			   dev_priv->saveGR[0x10]);
	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11,
			   dev_priv->saveGR[0x11]);
	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18,
			   dev_priv->saveGR[0x18]);

	
	I915_READ8(st01); 
	for (i = 0; i <= 0x14; i++)
		i915_write_ar(dev, st01, i, dev_priv->saveAR[i], 0);
	I915_READ8(st01); 
	I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX | 0x20);
	I915_READ8(st01);

	
	I915_WRITE8(VGA_DACMASK, dev_priv->saveDACMASK);
}

开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:52，代码来源:i915_suspend.c

示例3: i915_read_indexed

static u8 i915_read_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg)
{
	struct drm_i915_private *dev_priv = dev->dev_private;

	I915_WRITE8(index_port, reg);
	return I915_READ8(data_port);
}

开发者ID:mihaicarabas，项目名称:dragonfly，代码行数:7，代码来源:i915_suspend.c

示例4: i915_write_ar

static void i915_write_ar(struct drm_device *dev, u16 st01, u8 reg, u8 val, u16 palette_enable)
{
	struct drm_i915_private *dev_priv = dev->dev_private;

	I915_READ8(st01);
	I915_WRITE8(VGA_AR_INDEX, palette_enable | reg);
	I915_WRITE8(VGA_AR_DATA_WRITE, val);
}

开发者ID:mihaicarabas，项目名称:dragonfly，代码行数:8，代码来源:i915_suspend.c

示例5: i915_reg_read_ioctl

int i915_reg_read_ioctl(struct drm_device *dev,
			void *data, struct drm_file *file)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	struct drm_i915_reg_read *reg = data;
	struct register_whitelist const *entry = whitelist;
	unsigned size;
	u64 offset;
	int i, ret = 0;

	for (i = 0; i < ARRAY_SIZE(whitelist); i++, entry++) {
		if (entry->offset == (reg->offset & -entry->size) &&
		    (1 << INTEL_INFO(dev)->gen & entry->gen_bitmask))
			break;
	}

	if (i == ARRAY_SIZE(whitelist))
		return -EINVAL;

	/* We use the low bits to encode extra flags as the register should
	 * be naturally aligned (and those that are not so aligned merely
	 * limit the available flags for that register).
	 */
	offset = entry->offset;
	size = entry->size;
	size |= reg->offset ^ offset;

	intel_runtime_pm_get(dev_priv);

	switch (size) {
	case 8 | 1:
		reg->val = I915_READ64_2x32(offset, offset+4);
		break;
	case 8:
		reg->val = I915_READ64(offset);
		break;
	case 4:
		reg->val = I915_READ(offset);
		break;
	case 2:
		reg->val = I915_READ16(offset);
		break;
	case 1:
		reg->val = I915_READ8(offset);
		break;
	default:
		ret = -EINVAL;
		goto out;
	}

out:
	intel_runtime_pm_put(dev_priv);
	return ret;
}

开发者ID:volk3，项目名称:CS736，代码行数:54，代码来源:intel_uncore.c

示例6: i915_save_vga

static void i915_save_vga(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int i;
	u16 cr_index, cr_data, st01;

	/* VGA color palette registers */
	dev_priv->saveDACMASK = I915_READ8(VGA_DACMASK);

	/* MSR bits */
	dev_priv->saveMSR = I915_READ8(VGA_MSR_READ);
	if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
		cr_index = VGA_CR_INDEX_CGA;
		cr_data = VGA_CR_DATA_CGA;
		st01 = VGA_ST01_CGA;
	} else {
		cr_index = VGA_CR_INDEX_MDA;
		cr_data = VGA_CR_DATA_MDA;
		st01 = VGA_ST01_MDA;
	}

	/* CRT controller regs */
	i915_write_indexed(dev, cr_index, cr_data, 0x11,
			   i915_read_indexed(dev, cr_index, cr_data, 0x11) &
			   (~0x80));
	for (i = 0; i <= 0x24; i++)
		dev_priv->saveCR[i] =
			i915_read_indexed(dev, cr_index, cr_data, i);
	/* Make sure we don't turn off CR group 0 writes */
	dev_priv->saveCR[0x11] &= ~0x80;

	/* Attribute controller registers */
	I915_READ8(st01);
	dev_priv->saveAR_INDEX = I915_READ8(VGA_AR_INDEX);
	for (i = 0; i <= 0x14; i++)
		dev_priv->saveAR[i] = i915_read_ar(dev, st01, i, 0);
	I915_READ8(st01);
	I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX);
	I915_READ8(st01);

	/* Graphics controller registers */
	for (i = 0; i < 9; i++)
		dev_priv->saveGR[i] =
			i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i);

	dev_priv->saveGR[0x10] =
		i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10);
	dev_priv->saveGR[0x11] =
		i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11);
	dev_priv->saveGR[0x18] =
		i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18);

	/* Sequencer registers */
	for (i = 0; i < 8; i++)
		dev_priv->saveSR[i] =
			i915_read_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i);
}

开发者ID:mihaicarabas，项目名称:dragonfly，代码行数:57，代码来源:i915_suspend.c

示例7: i915_save_vga

static void i915_save_vga(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int i;
	u16 cr_index, cr_data, st01;

	
	dev_priv->saveDACMASK = I915_READ8(VGA_DACMASK);

	
	dev_priv->saveMSR = I915_READ8(VGA_MSR_READ);
	if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
		cr_index = VGA_CR_INDEX_CGA;
		cr_data = VGA_CR_DATA_CGA;
		st01 = VGA_ST01_CGA;
	} else {
		cr_index = VGA_CR_INDEX_MDA;
		cr_data = VGA_CR_DATA_MDA;
		st01 = VGA_ST01_MDA;
	}

	
	i915_write_indexed(dev, cr_index, cr_data, 0x11,
			   i915_read_indexed(dev, cr_index, cr_data, 0x11) &
			   (~0x80));
	for (i = 0; i <= 0x24; i++)
		dev_priv->saveCR[i] =
			i915_read_indexed(dev, cr_index, cr_data, i);
	
	dev_priv->saveCR[0x11] &= ~0x80;

	
	I915_READ8(st01);
	dev_priv->saveAR_INDEX = I915_READ8(VGA_AR_INDEX);
	for (i = 0; i <= 0x14; i++)
		dev_priv->saveAR[i] = i915_read_ar(dev, st01, i, 0);
	I915_READ8(st01);
	I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX);
	I915_READ8(st01);

	
	for (i = 0; i < 9; i++)
		dev_priv->saveGR[i] =
			i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i);

	dev_priv->saveGR[0x10] =
		i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10);
	dev_priv->saveGR[0x11] =
		i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11);
	dev_priv->saveGR[0x18] =
		i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18);

	
	for (i = 0; i < 8; i++)
		dev_priv->saveSR[i] =
			i915_read_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i);
}

开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:57，代码来源:i915_suspend.c

示例8: i915_reg_read_ioctl

int i915_reg_read_ioctl(struct drm_device *dev,
			void *data, struct drm_file *file)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	struct drm_i915_reg_read *reg = data;
	struct register_whitelist const *entry = whitelist;
	int i, ret = 0;

	for (i = 0; i < ARRAY_SIZE(whitelist); i++, entry++) {
		if (entry->offset == reg->offset &&
		    (1 << INTEL_INFO(dev)->gen & entry->gen_bitmask))
			break;
	}

	if (i == ARRAY_SIZE(whitelist))
		return -EINVAL;

	intel_runtime_pm_get(dev_priv);

	switch (entry->size) {
	case 8:
		reg->val = I915_READ64(reg->offset);
		break;
	case 4:
		reg->val = I915_READ(reg->offset);
		break;
	case 2:
		reg->val = I915_READ16(reg->offset);
		break;
	case 1:
		reg->val = I915_READ8(reg->offset);
		break;
	default:
		WARN_ON(1);
		ret = -EINVAL;
		goto out;
	}

out:
	intel_runtime_pm_put(dev_priv);
	return ret;
}

开发者ID:383530895，项目名称:linux，代码行数:42，代码来源:intel_uncore.c

示例9: i915_restore_vga

static void i915_restore_vga(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int i;
	u16 cr_index, cr_data, st01;

	/* VGA state */
	I915_WRITE(i915_vgacntrl_reg(dev), dev_priv->regfile.saveVGACNTRL);

	I915_WRITE(VGA0, dev_priv->regfile.saveVGA0);
	I915_WRITE(VGA1, dev_priv->regfile.saveVGA1);
	I915_WRITE(VGA_PD, dev_priv->regfile.saveVGA_PD);
	POSTING_READ(VGA_PD);
	udelay(150);

	/* MSR bits */
	I915_WRITE8(VGA_MSR_WRITE, dev_priv->regfile.saveMSR);
	if (dev_priv->regfile.saveMSR & VGA_MSR_CGA_MODE) {
		cr_index = VGA_CR_INDEX_CGA;
		cr_data = VGA_CR_DATA_CGA;
		st01 = VGA_ST01_CGA;
	} else {
		cr_index = VGA_CR_INDEX_MDA;
		cr_data = VGA_CR_DATA_MDA;
		st01 = VGA_ST01_MDA;
	}

	/* Sequencer registers, don't write SR07 */
	for (i = 0; i < 7; i++)
		i915_write_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i,
				   dev_priv->regfile.saveSR[i]);

	/* CRT controller regs */
	/* Enable CR group 0 writes */
	i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->regfile.saveCR[0x11]);
	for (i = 0; i <= 0x24; i++)
		i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->regfile.saveCR[i]);

	/* Graphics controller regs */
	for (i = 0; i < 9; i++)
		i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i,
				   dev_priv->regfile.saveGR[i]);

	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10,
			   dev_priv->regfile.saveGR[0x10]);
	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11,
			   dev_priv->regfile.saveGR[0x11]);
	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18,
			   dev_priv->regfile.saveGR[0x18]);

	/* Attribute controller registers */
	I915_READ8(st01); /* switch back to index mode */
	for (i = 0; i <= 0x14; i++)
		i915_write_ar(dev, st01, i, dev_priv->regfile.saveAR[i], 0);
	I915_READ8(st01); /* switch back to index mode */
	I915_WRITE8(VGA_AR_INDEX, dev_priv->regfile.saveAR_INDEX | 0x20);
	I915_READ8(st01);

	/* VGA color palette registers */
	I915_WRITE8(VGA_DACMASK, dev_priv->regfile.saveDACMASK);
}

开发者ID:AndroPlus-org，项目名称:android_kernel_sony_msm8996，代码行数:61，代码来源:i915_suspend.c

注：本文中的I915_READ8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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C++ I915_WRITE函数代码示例发布时间：2022-05-30

C++ I915_READ函数代码示例发布时间：2022-05-30

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C++ I915_READ8函数代码示例

示例1: i915_restore_vga

示例2: i915_restore_vga

示例3: i915_read_indexed

示例4: i915_write_ar

示例5: i915_reg_read_ioctl

示例6: i915_save_vga

示例7: i915_save_vga

示例8: i915_reg_read_ioctl

示例9: i915_restore_vga

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