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authorTomi Valkeinen <tomi.valkeinen@ti.com>2011-10-13 15:26:50 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2011-12-02 08:54:17 +0200
commit8dc0766fcf3b84ec83aa601acabf21f2c98ca253 (patch)
tree9a928fbabb8f570ff551d93dded10f07db4ed669 /drivers/video/omap2/dss/dsi.c
parent85f17e8e2c8d5f9266ca28f05cbc57598eddb05a (diff)
OMAPDSS: DSI: use lane config in dsi_cio_wait_tx_clk_esc_reset
Use the new lane config in dsi_cio_wait_tx_clk_esc_reset(). This also extends the function to support 5 lanes on OMAP4, instead of 3 lanes. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/omap2/dss/dsi.c')
-rw-r--r--drivers/video/omap2/dss/dsi.c47
1 files changed, 18 insertions, 29 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 1a209a23f515..52cf97f52172 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -2365,51 +2365,40 @@ static void dsi_cio_disable_lane_override(struct platform_device *dsidev)
static int dsi_cio_wait_tx_clk_esc_reset(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
- int t;
- int bits[3];
- bool in_use[3];
-
- if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC)) {
- bits[0] = 28;
- bits[1] = 27;
- bits[2] = 26;
- } else {
- bits[0] = 24;
- bits[1] = 25;
- bits[2] = 26;
- }
-
- in_use[0] = false;
- in_use[1] = false;
- in_use[2] = false;
+ struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+ int t, i;
+ bool in_use[DSI_MAX_NR_LANES];
+ static const u8 offsets_old[] = { 28, 27, 26 };
+ static const u8 offsets_new[] = { 24, 25, 26, 27, 28 };
+ const u8 *offsets;
+
+ if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC))
+ offsets = offsets_old;
+ else
+ offsets = offsets_new;
- if (dssdev->phy.dsi.clk_lane != 0)
- in_use[dssdev->phy.dsi.clk_lane - 1] = true;
- if (dssdev->phy.dsi.data1_lane != 0)
- in_use[dssdev->phy.dsi.data1_lane - 1] = true;
- if (dssdev->phy.dsi.data2_lane != 0)
- in_use[dssdev->phy.dsi.data2_lane - 1] = true;
+ for (i = 0; i < dsi->num_lanes_supported; ++i)
+ in_use[i] = dsi->lanes[i].function != DSI_LANE_UNUSED;
t = 100000;
while (true) {
u32 l;
- int i;
int ok;
l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
ok = 0;
- for (i = 0; i < 3; ++i) {
- if (!in_use[i] || (l & (1 << bits[i])))
+ for (i = 0; i < dsi->num_lanes_supported; ++i) {
+ if (!in_use[i] || (l & (1 << offsets[i])))
ok++;
}
- if (ok == 3)
+ if (ok == dsi->num_lanes_supported)
break;
if (--t == 0) {
- for (i = 0; i < 3; ++i) {
- if (!in_use[i] || (l & (1 << bits[i])))
+ for (i = 0; i < dsi->num_lanes_supported; ++i) {
+ if (!in_use[i] || (l & (1 << offsets[i])))
continue;
DSSERR("CIO TXCLKESC%d domain not coming " \