Exemplos de imx_ldb_set_clock em C++ (Cpp)

Exemplo n.º 1

Arquivo: imx-ldb.c Projeto: wjs123lyj/linux-4.0_imx6

static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder,
			 struct drm_display_mode *orig_mode,
			 struct drm_display_mode *mode)
{
	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
	struct imx_ldb *ldb = imx_ldb_ch->ldb;
	int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
	unsigned long serial_clk;
	unsigned long di_clk = mode->clock * 1000;
	int mux = imx_drm_encoder_get_mux_id(imx_ldb_ch->child, encoder);

	if (mode->clock > 170000) {
		dev_warn(ldb->dev,
			 "%s: mode exceeds 170 MHz pixel clock\n", __func__);
	}
	if (mode->clock > 85000 && !dual) {
		dev_warn(ldb->dev,
			 "%s: mode exceeds 85 MHz pixel clock\n", __func__);
	}

	if (dual) {
		serial_clk = 3500UL * mode->clock;
		imx_ldb_set_clock(ldb, mux, 0, serial_clk, di_clk);
		imx_ldb_set_clock(ldb, mux, 1, serial_clk, di_clk);
	} else {
		serial_clk = 7000UL * mode->clock;
		imx_ldb_set_clock(ldb, mux, imx_ldb_ch->chno, serial_clk,
				  di_clk);
	}

	/* FIXME - assumes straight connections DI0 --> CH0, DI1 --> CH1 */
	if (imx_ldb_ch == &ldb->channel[0]) {
		if (mode->flags & DRM_MODE_FLAG_NVSYNC)
			ldb->ldb_ctrl |= LDB_DI0_VS_POL_ACT_LOW;
		else if (mode->flags & DRM_MODE_FLAG_PVSYNC)
			ldb->ldb_ctrl &= ~LDB_DI0_VS_POL_ACT_LOW;
	}
	if (imx_ldb_ch == &ldb->channel[1]) {
		if (mode->flags & DRM_MODE_FLAG_NVSYNC)
			ldb->ldb_ctrl |= LDB_DI1_VS_POL_ACT_LOW;
		else if (mode->flags & DRM_MODE_FLAG_PVSYNC)
			ldb->ldb_ctrl &= ~LDB_DI1_VS_POL_ACT_LOW;
	}
}

Exemplo n.º 2

Arquivo: imx-ldb.c Projeto: mikuhatsune001/linux2.6.32

static void imx_ldb_encoder_prepare(struct drm_encoder *encoder)
{
	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
	struct imx_ldb *ldb = imx_ldb_ch->ldb;
	struct drm_display_mode *mode = &encoder->crtc->mode;
	u32 pixel_fmt;
	unsigned long serial_clk;
	unsigned long di_clk = mode->clock * 1000;
	int mux = imx_drm_encoder_get_mux_id(imx_ldb_ch->child, encoder);

	if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) {
		/* dual channel LVDS mode */
		serial_clk = 3500UL * mode->clock;
		imx_ldb_set_clock(ldb, mux, 0, serial_clk, di_clk);
		imx_ldb_set_clock(ldb, mux, 1, serial_clk, di_clk);
	} else {
		serial_clk = 7000UL * mode->clock;
		imx_ldb_set_clock(ldb, mux, imx_ldb_ch->chno, serial_clk,
				di_clk);
	}

	switch (imx_ldb_ch->chno) {
	case 0:
		pixel_fmt = (ldb->ldb_ctrl & LDB_DATA_WIDTH_CH0_24) ?
			V4L2_PIX_FMT_RGB24 : V4L2_PIX_FMT_BGR666;
		break;
	case 1:
		pixel_fmt = (ldb->ldb_ctrl & LDB_DATA_WIDTH_CH1_24) ?
			V4L2_PIX_FMT_RGB24 : V4L2_PIX_FMT_BGR666;
		break;
	default:
		dev_err(ldb->dev, "unable to config di%d panel format\n",
			imx_ldb_ch->chno);
		pixel_fmt = V4L2_PIX_FMT_RGB24;
	}

	imx_drm_panel_format(encoder, pixel_fmt);
}