OMAPDSS: DSI: simplify dsi configuration
We have a bunch of dsi functions that are used to do the basic
configuration for DSI. To simplify things, and to make sure we have all
the necessary information, create a single dsi config function, which
does the basic configuration.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index bc4c95e..eb86cba 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -919,6 +919,13 @@
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
u8 id1, id2, id3;
int r;
+ struct omap_dss_dsi_config dsi_config = {
+ .mode = OMAP_DSS_DSI_CMD_MODE,
+ .pixel_format = OMAP_DSS_DSI_FMT_RGB888,
+ .timings = &dssdev->panel.timings,
+ .hs_clk = 216000000,
+ .lp_clk = 10000000,
+ };
r = omapdss_dsi_configure_pins(dssdev, &td->pin_config);
if (r) {
@@ -926,14 +933,9 @@
goto err0;
};
- omapdss_dsi_set_size(dssdev, dssdev->panel.timings.x_res,
- dssdev->panel.timings.y_res);
- omapdss_dsi_set_pixel_format(dssdev, OMAP_DSS_DSI_FMT_RGB888);
- omapdss_dsi_set_operation_mode(dssdev, OMAP_DSS_DSI_CMD_MODE);
-
- r = omapdss_dsi_set_clocks(dssdev, 216000000, 10000000);
+ r = omapdss_dsi_set_config(dssdev, &dsi_config);
if (r) {
- dev_err(&dssdev->dev, "failed to set HS and LP clocks\n");
+ dev_err(&dssdev->dev, "failed to configure DSI\n");
goto err0;
}
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index dd13bd9..8cb43af60f 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -4278,7 +4278,7 @@
}
EXPORT_SYMBOL(omapdss_dsi_configure_pins);
-int omapdss_dsi_set_clocks(struct omap_dss_device *dssdev,
+static int dsi_set_clocks(struct omap_dss_device *dssdev,
unsigned long ddr_clk, unsigned long lp_clk)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -4293,8 +4293,6 @@
DSSDBG("Setting DSI clocks: ddr_clk %lu, lp_clk %lu", ddr_clk, lp_clk);
- mutex_lock(&dsi->lock);
-
/* Calculate PLL output clock */
r = dsi_pll_calc_ddrfreq(dsidev, ddr_clk * 4, &cinfo);
if (r)
@@ -4336,13 +4334,10 @@
OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI :
OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI;
- mutex_unlock(&dsi->lock);
return 0;
err:
- mutex_unlock(&dsi->lock);
return r;
}
-EXPORT_SYMBOL(omapdss_dsi_set_clocks);
int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
{
@@ -4884,75 +4879,26 @@
}
EXPORT_SYMBOL(omapdss_dsi_enable_te);
-void omapdss_dsi_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
+int omapdss_dsi_set_config(struct omap_dss_device *dssdev,
+ const struct omap_dss_dsi_config *config)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
mutex_lock(&dsi->lock);
- dsi->timings = *timings;
+ dsi->timings = *config->timings;
+ dsi->vm_timings = *config->vm_timings;
+ dsi->pix_fmt = config->pixel_format;
+ dsi->mode = config->mode;
+
+ dsi_set_clocks(dssdev, config->hs_clk, config->lp_clk);
mutex_unlock(&dsi->lock);
+
+ return 0;
}
-EXPORT_SYMBOL(omapdss_dsi_set_timings);
-
-void omapdss_dsi_set_size(struct omap_dss_device *dssdev, u16 w, u16 h)
-{
- struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
- struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
- mutex_lock(&dsi->lock);
-
- dsi->timings.x_res = w;
- dsi->timings.y_res = h;
-
- mutex_unlock(&dsi->lock);
-}
-EXPORT_SYMBOL(omapdss_dsi_set_size);
-
-void omapdss_dsi_set_pixel_format(struct omap_dss_device *dssdev,
- enum omap_dss_dsi_pixel_format fmt)
-{
- struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
- struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
- mutex_lock(&dsi->lock);
-
- dsi->pix_fmt = fmt;
-
- mutex_unlock(&dsi->lock);
-}
-EXPORT_SYMBOL(omapdss_dsi_set_pixel_format);
-
-void omapdss_dsi_set_operation_mode(struct omap_dss_device *dssdev,
- enum omap_dss_dsi_mode mode)
-{
- struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
- struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
- mutex_lock(&dsi->lock);
-
- dsi->mode = mode;
-
- mutex_unlock(&dsi->lock);
-}
-EXPORT_SYMBOL(omapdss_dsi_set_operation_mode);
-
-void omapdss_dsi_set_videomode_timings(struct omap_dss_device *dssdev,
- struct omap_dss_dsi_videomode_timings *timings)
-{
- struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
- struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
- mutex_lock(&dsi->lock);
-
- dsi->vm_timings = *timings;
-
- mutex_unlock(&dsi->lock);
-}
-EXPORT_SYMBOL(omapdss_dsi_set_videomode_timings);
+EXPORT_SYMBOL(omapdss_dsi_set_config);
/*
* Return a hardcoded channel for the DSI output. This should work for
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index 41fb434..4dd4cea 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -282,6 +282,16 @@
int window_sync;
};
+struct omap_dss_dsi_config {
+ enum omap_dss_dsi_mode mode;
+ enum omap_dss_dsi_pixel_format pixel_format;
+ const struct omap_video_timings *timings;
+ const struct omap_dss_dsi_videomode_timings *vm_timings;
+
+ unsigned long hs_clk;
+ unsigned long lp_clk;
+};
+
void dsi_bus_lock(struct omap_dss_device *dssdev);
void dsi_bus_unlock(struct omap_dss_device *dssdev);
int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
@@ -806,15 +816,8 @@
void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
bool enable);
int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable);
-void omapdss_dsi_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings);
-void omapdss_dsi_set_size(struct omap_dss_device *dssdev, u16 w, u16 h);
-void omapdss_dsi_set_pixel_format(struct omap_dss_device *dssdev,
- enum omap_dss_dsi_pixel_format fmt);
-void omapdss_dsi_set_operation_mode(struct omap_dss_device *dssdev,
- enum omap_dss_dsi_mode mode);
-void omapdss_dsi_set_videomode_timings(struct omap_dss_device *dssdev,
- struct omap_dss_dsi_videomode_timings *timings);
+int omapdss_dsi_set_config(struct omap_dss_device *dssdev,
+ const struct omap_dss_dsi_config *config);
int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
void (*callback)(int, void *), void *data);
@@ -823,8 +826,6 @@
void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel);
int omapdss_dsi_configure_pins(struct omap_dss_device *dssdev,
const struct omap_dsi_pin_config *pin_cfg);
-int omapdss_dsi_set_clocks(struct omap_dss_device *dssdev,
- unsigned long ddr_clk, unsigned long lp_clk);
int omapdss_dsi_display_enable(struct omap_dss_device *dssdev);
void omapdss_dsi_display_disable(struct omap_dss_device *dssdev,