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Commit 9b4362f2 authored by Tomi Valkeinen's avatar Tomi Valkeinen
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OMAPDSS: DSI: use lane config in dsi_cio_enable_lane_override 



Use the new lane config in dsi_cio_enable_lane_override(). The function
parameters are also slightly changed.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 8dc0766f

drivers/video/omap2/dss/dsi.c

+27 −58
Original line number Diff line number Diff line
@@ -238,19 +238,6 @@ enum dsi_vc_source { 
	DSI_VC_SOURCE_VP,

};



enum dsi_lane {

	DSI_CLK_P	= 1 << 0,

	DSI_CLK_N	= 1 << 1,

	DSI_DATA1_P	= 1 << 2,

	DSI_DATA1_N	= 1 << 3,

	DSI_DATA2_P	= 1 << 4,

	DSI_DATA2_N	= 1 << 5,

	DSI_DATA3_P	= 1 << 6,

	DSI_DATA3_N	= 1 << 7,

	DSI_DATA4_P	= 1 << 8,

	DSI_DATA4_N	= 1 << 9,

};



struct dsi_update_region {

	u16 x, y, w, h;

	struct omap_dss_device *device;
@@ -2290,49 +2277,28 @@ static void dsi_cio_timings(struct platform_device *dsidev) 
	dsi_write_reg(dsidev, DSI_DSIPHY_CFG2, r);

}



/* lane masks have lane 0 at lsb. mask_p for positive lines, n for negative */

static void dsi_cio_enable_lane_override(struct omap_dss_device *dssdev,

		enum dsi_lane lanes)

		unsigned mask_p, unsigned mask_n)

{

	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);

	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);

	int clk_lane   = dssdev->phy.dsi.clk_lane;

	int data1_lane = dssdev->phy.dsi.data1_lane;

	int data2_lane = dssdev->phy.dsi.data2_lane;

	int data3_lane = dssdev->phy.dsi.data3_lane;

	int data4_lane = dssdev->phy.dsi.data4_lane;

	int clk_pol    = dssdev->phy.dsi.clk_pol;

	int data1_pol  = dssdev->phy.dsi.data1_pol;

	int data2_pol  = dssdev->phy.dsi.data2_pol;

	int data3_pol  = dssdev->phy.dsi.data3_pol;

	int data4_pol  = dssdev->phy.dsi.data4_pol;



	u32 l = 0;

	int i;

	u32 l;

	u8 lptxscp_start = dsi->num_lanes_supported == 3 ? 22 : 26;



	if (lanes & DSI_CLK_P)

		l |= 1 << ((clk_lane - 1) * 2 + (clk_pol ? 0 : 1));

	if (lanes & DSI_CLK_N)

		l |= 1 << ((clk_lane - 1) * 2 + (clk_pol ? 1 : 0));



	if (lanes & DSI_DATA1_P)

		l |= 1 << ((data1_lane - 1) * 2 + (data1_pol ? 0 : 1));

	if (lanes & DSI_DATA1_N)

		l |= 1 << ((data1_lane - 1) * 2 + (data1_pol ? 1 : 0));



	if (lanes & DSI_DATA2_P)

		l |= 1 << ((data2_lane - 1) * 2 + (data2_pol ? 0 : 1));

	if (lanes & DSI_DATA2_N)

		l |= 1 << ((data2_lane - 1) * 2 + (data2_pol ? 1 : 0));



	if (lanes & DSI_DATA3_P)

		l |= 1 << ((data3_lane - 1) * 2 + (data3_pol ? 0 : 1));

	if (lanes & DSI_DATA3_N)

		l |= 1 << ((data3_lane - 1) * 2 + (data3_pol ? 1 : 0));



	if (lanes & DSI_DATA4_P)

		l |= 1 << ((data4_lane - 1) * 2 + (data4_pol ? 0 : 1));

	if (lanes & DSI_DATA4_N)

		l |= 1 << ((data4_lane - 1) * 2 + (data4_pol ? 1 : 0));

	l = 0;



	for (i = 0; i < dsi->num_lanes_supported; ++i) {

		unsigned p = dsi->lanes[i].polarity;



		if (mask_p & (1 << i))

			l |= 1 << (i * 2 + (p ? 0 : 1));



		if (mask_n & (1 << i))

			l |= 1 << (i * 2 + (p ? 1 : 0));

	}



	/*

	 * Bits in REGLPTXSCPDAT4TO0DXDY:

	 * 17: DY0 18: DX0
@@ -2432,7 +2398,6 @@ static int dsi_cio_init(struct omap_dss_device *dssdev) 
	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);

	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);

	int r;

	int num_lanes_used = dsi_get_num_lanes_used(dssdev);

	u32 l;



	DSSDBGF();
@@ -2467,7 +2432,8 @@ static int dsi_cio_init(struct omap_dss_device *dssdev) 
	dsi_write_reg(dsidev, DSI_TIMING1, l);



	if (dsi->ulps_enabled) {

		u32 lane_mask = DSI_CLK_P | DSI_DATA1_P | DSI_DATA2_P;

		unsigned mask_p;

		int i;



		DSSDBG("manual ulps exit\n");
@@ -2476,16 +2442,19 @@ static int dsi_cio_init(struct omap_dss_device *dssdev) 
		 * ULPS exit sequence, as after reset the DSS HW thinks

		 * that we are not in ULPS mode, and refuses to send the

		 * sequence. So we need to send the ULPS exit sequence

		 * manually.

		 * manually by setting positive lines high and negative lines

		 * low for 1ms.

		 */



		if (num_lanes_used > 3)

			lane_mask |= DSI_DATA3_P;

		mask_p = 0;



		if (num_lanes_used > 4)

			lane_mask |= DSI_DATA4_P;

		for (i = 0; i < dsi->num_lanes_supported; ++i) {

			if (dsi->lanes[i].function == DSI_LANE_UNUSED)

				continue;

			mask_p |= 1 << i;

		}



		dsi_cio_enable_lane_override(dssdev, lane_mask);

		dsi_cio_enable_lane_override(dssdev, mask_p, 0);

	}



	r = dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_ON);