C++ (Cpp) CLKF_VAL示例

示例#1

文件： mac53c94.c 项目： 33d/linux-2.6.21-hh20

static void mac53c94_init(struct fsc_state *state)
{
	struct mac53c94_regs __iomem *regs = state->regs;
	struct dbdma_regs __iomem *dma = state->dma;
	int x;

	writeb(state->host->this_id | CF1_PAR_ENABLE, &regs->config1);
	writeb(TIMO_VAL(250), &regs->sel_timeout);	/* 250ms */
	writeb(CLKF_VAL(state->clk_freq), &regs->clk_factor);
	writeb(CF2_FEATURE_EN, &regs->config2);
	writeb(0, &regs->config3);
	writeb(0, &regs->sync_period);
	writeb(0, &regs->sync_offset);
	x = readb(&regs->interrupt);
	writel((RUN|PAUSE|FLUSH|WAKE) << 16, &dma->control);
}

示例#2

文件： mac53c94.c 项目： xricson/knoppix

static void
mac53c94_init(struct fsc_state *state)
{
	volatile struct mac53c94_regs *regs = state->regs;
	volatile struct dbdma_regs *dma = state->dma;
	int x;

	regs->config1 = state->host->this_id | CF1_PAR_ENABLE;
	regs->sel_timeout = TIMO_VAL(250);	/* 250ms */
	regs->clk_factor = CLKF_VAL(state->clk_freq);
	regs->config2 = CF2_FEATURE_EN;
	regs->config3 = 0;
	regs->sync_period = 0;
	regs->sync_offset = 0;
	eieio();
	x = regs->interrupt;
	st_le32(&dma->control, (RUN|PAUSE|FLUSH|WAKE) << 16);
}