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authorTomi Valkeinen <tomi.valkeinen@ti.com>2011-06-15 15:21:12 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2011-09-30 16:16:17 +0300
commit5bc416cba15f43c799fc02727c6d6887f3e35a4e (patch)
treec53e4104537b3189d54c9f7254936e277ab096a5 /drivers/video
parent4e6a0ab0f9d4c8062bd84f3fc95b175001d46ebf (diff)
downloadop-kernel-dev-5bc416cba15f43c799fc02727c6d6887f3e35a4e.zip
op-kernel-dev-5bc416cba15f43c799fc02727c6d6887f3e35a4e.tar.gz
OMAP: DSS2: DSI: Improve dsi_mux_pads parameters
dsi_mux_pads() needs to know about the DSI HW module and the DSI lanes used. Split the function into two, enable and disable, which take necessary arguments, and add empty implementations for both. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/dss/dsi.c42
1 files changed, 31 insertions, 11 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 713e1d9..ae6bf1d 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -274,7 +274,8 @@ struct dsi_data {
struct clk *dss_clk;
struct clk *sys_clk;
- void (*dsi_mux_pads)(bool enable);
+ int (*enable_pads)(int dsi_id, unsigned lane_mask);
+ void (*disable_pads)(int dsi_id, unsigned lane_mask);
struct dsi_clock_info current_cinfo;
@@ -2355,6 +2356,24 @@ static int dsi_cio_wait_tx_clk_esc_reset(struct omap_dss_device *dssdev)
return 0;
}
+static unsigned dsi_get_lane_mask(struct omap_dss_device *dssdev)
+{
+ unsigned lanes = 0;
+
+ if (dssdev->phy.dsi.clk_lane != 0)
+ lanes |= 1 << (dssdev->phy.dsi.clk_lane - 1);
+ if (dssdev->phy.dsi.data1_lane != 0)
+ lanes |= 1 << (dssdev->phy.dsi.data1_lane - 1);
+ if (dssdev->phy.dsi.data2_lane != 0)
+ lanes |= 1 << (dssdev->phy.dsi.data2_lane - 1);
+ if (dssdev->phy.dsi.data3_lane != 0)
+ lanes |= 1 << (dssdev->phy.dsi.data3_lane - 1);
+ if (dssdev->phy.dsi.data4_lane != 0)
+ lanes |= 1 << (dssdev->phy.dsi.data4_lane - 1);
+
+ return lanes;
+}
+
static int dsi_cio_init(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -2365,8 +2384,9 @@ static int dsi_cio_init(struct omap_dss_device *dssdev)
DSSDBGF();
- if (dsi->dsi_mux_pads)
- dsi->dsi_mux_pads(true);
+ r = dsi->enable_pads(dsidev->id, dsi_get_lane_mask(dssdev));
+ if (r)
+ return r;
dsi_enable_scp_clk(dsidev);
@@ -2462,19 +2482,18 @@ err_cio_pwr:
dsi_cio_disable_lane_override(dsidev);
err_scp_clk_dom:
dsi_disable_scp_clk(dsidev);
- if (dsi->dsi_mux_pads)
- dsi->dsi_mux_pads(false);
+ dsi->disable_pads(dsidev->id, dsi_get_lane_mask(dssdev));
return r;
}
-static void dsi_cio_uninit(struct platform_device *dsidev)
+static void dsi_cio_uninit(struct omap_dss_device *dssdev)
{
+ struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF);
dsi_disable_scp_clk(dsidev);
- if (dsi->dsi_mux_pads)
- dsi->dsi_mux_pads(false);
+ dsi->disable_pads(dsidev->id, dsi_get_lane_mask(dssdev));
}
static void dsi_config_tx_fifo(struct platform_device *dsidev,
@@ -4161,7 +4180,7 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev)
return 0;
err3:
- dsi_cio_uninit(dsidev);
+ dsi_cio_uninit(dssdev);
err2:
dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
dss_select_dsi_clk_source(dsi_module, OMAP_DSS_CLK_SRC_FCK);
@@ -4190,7 +4209,7 @@ static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev,
dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
dss_select_dsi_clk_source(dsi_module, OMAP_DSS_CLK_SRC_FCK);
- dsi_cio_uninit(dsidev);
+ dsi_cio_uninit(dssdev);
dsi_pll_uninit(dsidev, disconnect_lanes);
}
@@ -4481,7 +4500,8 @@ static int omap_dsihw_probe(struct platform_device *dsidev)
dss_plat_data = dsidev->dev.platform_data;
board_info = dss_plat_data->board_data;
- dsi->dsi_mux_pads = board_info->dsi_mux_pads;
+ dsi->enable_pads = board_info->dsi_enable_pads;
+ dsi->disable_pads = board_info->dsi_disable_pads;
spin_lock_init(&dsi->irq_lock);
spin_lock_init(&dsi->errors_lock);
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