C++ (Cpp) LPC32XX_TSC_ADCCON_X_SAMPLE_SIZE Examples

Example #1

File: lpc32xx_ts.c Project: mikuhatsune001/linux2.6.32

static void lpc32xx_setup_tsc(struct lpc32xx_tsc *tsc)
{
	u32 tmp;

	clk_enable(tsc->clk);

	tmp = tsc_readl(tsc, LPC32XX_TSC_CON) & ~LPC32XX_TSC_ADCCON_POWER_UP;

	/* Set the TSC FIFO depth to 4 samples @ 10-bits per sample (max) */
	tmp = LPC32XX_TSC_ADCCON_IRQ_TO_FIFO_4 |
	      LPC32XX_TSC_ADCCON_X_SAMPLE_SIZE(10) |
	      LPC32XX_TSC_ADCCON_Y_SAMPLE_SIZE(10);
	tsc_writel(tsc, LPC32XX_TSC_CON, tmp);

	/* These values are all preset */
	tsc_writel(tsc, LPC32XX_TSC_SEL, LPC32XX_TSC_SEL_DEFVAL);
	tsc_writel(tsc, LPC32XX_TSC_MIN_X, LPC32XX_TSC_MIN_XY_VAL);
	tsc_writel(tsc, LPC32XX_TSC_MAX_X, LPC32XX_TSC_MAX_XY_VAL);
	tsc_writel(tsc, LPC32XX_TSC_MIN_Y, LPC32XX_TSC_MIN_XY_VAL);
	tsc_writel(tsc, LPC32XX_TSC_MAX_Y, LPC32XX_TSC_MAX_XY_VAL);

	/* Aux support is not used */
	tsc_writel(tsc, LPC32XX_TSC_AUX_UTR, 0);
	tsc_writel(tsc, LPC32XX_TSC_AUX_MIN, 0);
	tsc_writel(tsc, LPC32XX_TSC_AUX_MAX, 0);

	/*
	 * Set sample rate to about 240Hz per X/Y pair. A single measurement
	 * consists of 4 pairs which gives about a 60Hz sample rate based on
	 * a stable 32768Hz clock source. Values are in clocks.
	 * Rate is (32768 / (RTR + XCONV + RTR + YCONV + DXP + TTR + UTR) / 4
	 */
	tsc_writel(tsc, LPC32XX_TSC_RTR, 0x2);
	tsc_writel(tsc, LPC32XX_TSC_DTR, 0x2);
	tsc_writel(tsc, LPC32XX_TSC_TTR, 0x10);
	tsc_writel(tsc, LPC32XX_TSC_DXP, 0x4);
	tsc_writel(tsc, LPC32XX_TSC_UTR, 88);

	lpc32xx_fifo_clear(tsc);

	/* Enable automatic ts event capture */
	tsc_writel(tsc, LPC32XX_TSC_CON, tmp | LPC32XX_TSC_ADCCON_AUTO_EN);
}

Example #2

File: lpc32xx_ts.c Project: MiniBlu/cm11_kernel_htc_msm8974a3ul

static void lpc32xx_setup_tsc(struct lpc32xx_tsc *tsc)
{
    u32 tmp;

    clk_enable(tsc->clk);

    tmp = tsc_readl(tsc, LPC32XX_TSC_CON) & ~LPC32XX_TSC_ADCCON_POWER_UP;


    tmp = LPC32XX_TSC_ADCCON_IRQ_TO_FIFO_4 |
          LPC32XX_TSC_ADCCON_X_SAMPLE_SIZE(10) |
          LPC32XX_TSC_ADCCON_Y_SAMPLE_SIZE(10);
    tsc_writel(tsc, LPC32XX_TSC_CON, tmp);


    tsc_writel(tsc, LPC32XX_TSC_SEL, LPC32XX_TSC_SEL_DEFVAL);
    tsc_writel(tsc, LPC32XX_TSC_MIN_X, LPC32XX_TSC_MIN_XY_VAL);
    tsc_writel(tsc, LPC32XX_TSC_MAX_X, LPC32XX_TSC_MAX_XY_VAL);
    tsc_writel(tsc, LPC32XX_TSC_MIN_Y, LPC32XX_TSC_MIN_XY_VAL);
    tsc_writel(tsc, LPC32XX_TSC_MAX_Y, LPC32XX_TSC_MAX_XY_VAL);


    tsc_writel(tsc, LPC32XX_TSC_AUX_UTR, 0);
    tsc_writel(tsc, LPC32XX_TSC_AUX_MIN, 0);
    tsc_writel(tsc, LPC32XX_TSC_AUX_MAX, 0);

    tsc_writel(tsc, LPC32XX_TSC_RTR, 0x2);
    tsc_writel(tsc, LPC32XX_TSC_DTR, 0x2);
    tsc_writel(tsc, LPC32XX_TSC_TTR, 0x10);
    tsc_writel(tsc, LPC32XX_TSC_DXP, 0x4);
    tsc_writel(tsc, LPC32XX_TSC_UTR, 88);

    lpc32xx_fifo_clear(tsc);


    tsc_writel(tsc, LPC32XX_TSC_CON, tmp | LPC32XX_TSC_ADCCON_AUTO_EN);
}