C++ (Cpp) i915_read_indexed Beispiele

Beispiel #1

Datei: i915_suspend.c Projekt: mihaicarabas/dragonfly

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);
}

Beispiel #2

Datei: i915_suspend.c Projekt: DirtyDroidX/android_kernel_htc_m8ul

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);
}