Esempi in C++ (Cpp) per saa7146_wait_for_debi_done

Esempio n. 1

File: budget-core.c Progetto: 03199618/linux

int ttpci_budget_debiwrite(struct budget *budget, u32 config, int addr,
			   int count, u32 value, int uselocks, int nobusyloop)
{
	struct saa7146_dev *saa = budget->dev;
	unsigned long flags = 0;
	int result;

	if (count > 4 || count <= 0)
		return 0;

	if (uselocks)
		spin_lock_irqsave(&budget->debilock, flags);

	if ((result = saa7146_wait_for_debi_done(saa, nobusyloop)) < 0) {
		if (uselocks)
			spin_unlock_irqrestore(&budget->debilock, flags);
		return result;
	}

	saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x00000 | (addr & 0xffff));
	saa7146_write(saa, DEBI_CONFIG, config);
	saa7146_write(saa, DEBI_PAGE, 0);
	saa7146_write(saa, DEBI_AD, value);
	saa7146_write(saa, MC2, (2 << 16) | 2);

	if ((result = saa7146_wait_for_debi_done(saa, nobusyloop)) < 0) {
		if (uselocks)
			spin_unlock_irqrestore(&budget->debilock, flags);
		return result;
	}

	if (uselocks)
		spin_unlock_irqrestore(&budget->debilock, flags);
	return 0;
}

Esempio n. 2

File: budget-core.c Progetto: Lyude/linux

static int ttpci_budget_debiwrite_nolock(struct budget *budget, u32 config,
		int addr, int count, u32 value, int nobusyloop)
{
	struct saa7146_dev *saa = budget->dev;
	int result;

	result = saa7146_wait_for_debi_done(saa, nobusyloop);
	if (result < 0)
		return result;

	saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x00000 | (addr & 0xffff));
	saa7146_write(saa, DEBI_CONFIG, config);
	saa7146_write(saa, DEBI_PAGE, 0);
	saa7146_write(saa, DEBI_AD, value);
	saa7146_write(saa, MC2, (2 << 16) | 2);

	result = saa7146_wait_for_debi_done(saa, nobusyloop);
	return result < 0 ? result : 0;
}

Esempio n. 3

File: budget-core.c Progetto: Lyude/linux

static int ttpci_budget_debiread_nolock(struct budget *budget, u32 config,
		int addr, int count, int nobusyloop)
{
	struct saa7146_dev *saa = budget->dev;
	int result;

	result = saa7146_wait_for_debi_done(saa, nobusyloop);
	if (result < 0)
		return result;

	saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff));
	saa7146_write(saa, DEBI_CONFIG, config);
	saa7146_write(saa, DEBI_PAGE, 0);
	saa7146_write(saa, MC2, (2 << 16) | 2);

	result = saa7146_wait_for_debi_done(saa, nobusyloop);
	if (result < 0)
		return result;

	result = saa7146_read(saa, DEBI_AD);
	result &= (0xffffffffUL >> ((4 - count) * 8));
	return result;
}