static struct {
struct regulator *vdds_dsi_reg;
struct platform_device *dsidev;
+
+ struct mutex lock;
+
+ struct omap_video_timings timings;
+ struct dss_lcd_mgr_config mgr_config;
+ int data_lines;
} dpi;
static struct platform_device *dpi_get_dsidev(enum omap_dss_clk_source clk)
dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
- r = dispc_mgr_set_clock_div(dssdev->manager->id, &dispc_cinfo);
- if (r) {
- dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
- return r;
- }
+ dpi.mgr_config.clock_info = dispc_cinfo;
*fck = dsi_cinfo.dsi_pll_hsdiv_dispc_clk;
*lck_div = dispc_cinfo.lck_div;
if (r)
return r;
- r = dispc_mgr_set_clock_div(dssdev->manager->id, &dispc_cinfo);
- if (r)
- return r;
+ dpi.mgr_config.clock_info = dispc_cinfo;
*fck = dss_cinfo.fck;
*lck_div = dispc_cinfo.lck_div;
static int dpi_set_mode(struct omap_dss_device *dssdev)
{
- struct omap_video_timings *t = &dssdev->panel.timings;
+ struct omap_video_timings *t = &dpi.timings;
int lck_div = 0, pck_div = 0;
unsigned long fck = 0;
unsigned long pck;
int r = 0;
- dispc_mgr_set_pol_freq(dssdev->manager->id, dssdev->panel.config,
- dssdev->panel.acbi, dssdev->panel.acb);
-
if (dpi_use_dsi_pll(dssdev))
r = dpi_set_dsi_clk(dssdev, t->pixel_clock * 1000, &fck,
&lck_div, &pck_div);
return 0;
}
-static void dpi_basic_init(struct omap_dss_device *dssdev)
+static void dpi_config_lcd_manager(struct omap_dss_device *dssdev)
{
- dispc_mgr_set_io_pad_mode(DSS_IO_PAD_MODE_BYPASS);
- dispc_mgr_enable_stallmode(dssdev->manager->id, false);
+ dpi.mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
+
+ dpi.mgr_config.stallmode = false;
+ dpi.mgr_config.fifohandcheck = false;
+
+ dpi.mgr_config.video_port_width = dpi.data_lines;
- dispc_mgr_set_lcd_type_tft(dssdev->manager->id);
+ dpi.mgr_config.lcden_sig_polarity = 0;
- dispc_mgr_set_tft_data_lines(dssdev->manager->id,
- dssdev->phy.dpi.data_lines);
+ dss_mgr_set_lcd_config(dssdev->manager, &dpi.mgr_config);
}
int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
int r;
+ mutex_lock(&dpi.lock);
+
if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) {
DSSERR("no VDSS_DSI regulator\n");
- return -ENODEV;
+ r = -ENODEV;
+ goto err_no_reg;
}
if (dssdev->manager == NULL) {
DSSERR("failed to enable display: no manager\n");
- return -ENODEV;
+ r = -ENODEV;
+ goto err_no_mgr;
}
r = omap_dss_start_device(dssdev);
if (r)
goto err_get_dispc;
- dpi_basic_init(dssdev);
-
if (dpi_use_dsi_pll(dssdev)) {
r = dsi_runtime_get(dpi.dsidev);
if (r)
if (r)
goto err_set_mode;
+ dpi_config_lcd_manager(dssdev);
+
mdelay(2);
r = dss_mgr_enable(dssdev->manager);
if (r)
goto err_mgr_enable;
+ mutex_unlock(&dpi.lock);
+
return 0;
err_mgr_enable:
err_reg_enable:
omap_dss_stop_device(dssdev);
err_start_dev:
+err_no_mgr:
+err_no_reg:
+ mutex_unlock(&dpi.lock);
return r;
}
EXPORT_SYMBOL(omapdss_dpi_display_enable);
void omapdss_dpi_display_disable(struct omap_dss_device *dssdev)
{
+ mutex_lock(&dpi.lock);
+
dss_mgr_disable(dssdev->manager);
if (dpi_use_dsi_pll(dssdev)) {
regulator_disable(dpi.vdds_dsi_reg);
omap_dss_stop_device(dssdev);
+
+ mutex_unlock(&dpi.lock);
}
EXPORT_SYMBOL(omapdss_dpi_display_disable);
-void dpi_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
+void omapdss_dpi_set_timings(struct omap_dss_device *dssdev,
+ struct omap_video_timings *timings)
{
int r;
DSSDBG("dpi_set_timings\n");
- dssdev->panel.timings = *timings;
+
+ mutex_lock(&dpi.lock);
+
+ dpi.timings = *timings;
+
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
r = dispc_runtime_get();
if (r)
} else {
dss_mgr_set_timings(dssdev->manager, timings);
}
+
+ mutex_unlock(&dpi.lock);
}
-EXPORT_SYMBOL(dpi_set_timings);
+EXPORT_SYMBOL(omapdss_dpi_set_timings);
int dpi_check_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
}
EXPORT_SYMBOL(dpi_check_timings);
+void omapdss_dpi_set_data_lines(struct omap_dss_device *dssdev, int data_lines)
+{
+ mutex_lock(&dpi.lock);
+
+ dpi.data_lines = data_lines;
+
+ mutex_unlock(&dpi.lock);
+}
+EXPORT_SYMBOL(omapdss_dpi_set_data_lines);
+
static int __init dpi_init_display(struct omap_dss_device *dssdev)
{
DSSDBG("init_display\n");
static int __init omap_dpi_probe(struct platform_device *pdev)
{
+ mutex_init(&dpi.lock);
+
dpi_probe_pdata(pdev);
return 0;