OMAPDSS: Add dump and debug support for LCD3

DISPC functions have been modified to provide clock and register dumps and debug
support for the LCD3 manager.

Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 40 insertions, 30 deletions

diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index d19665e74e72..e48d1c10a3cf 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -2853,12 +2853,32 @@ unsigned long dispc_core_clk_rate(void)
         return fclk / lcd;
 }
 
-void dispc_dump_clocks(struct seq_file *s)
+static void dispc_dump_clocks_channel(struct seq_file *s, enum omap_channel channel)
 {
         int lcd, pcd;
+        enum omap_dss_clk_source lcd_clk_src;
+
+        seq_printf(s, "- %s -\n", mgr_desc[channel].name);
+
+        lcd_clk_src = dss_get_lcd_clk_source(channel);
+
+        seq_printf(s, "%s clk source = %s (%s)\n", mgr_desc[channel].name,
+                dss_get_generic_clk_source_name(lcd_clk_src),
+                dss_feat_get_clk_source_name(lcd_clk_src));
+
+        dispc_mgr_get_lcd_divisor(channel, &lcd, &pcd);
+
+        seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
+                dispc_mgr_lclk_rate(channel), lcd);
+        seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
+                dispc_mgr_pclk_rate(channel), pcd);
+}
+
+void dispc_dump_clocks(struct seq_file *s)
+{
+        int lcd;
         u32 l;
         enum omap_dss_clk_source dispc_clk_src = dss_get_dispc_clk_source();
-        enum omap_dss_clk_source lcd_clk_src;
 
         if (dispc_runtime_get())
                 return;
@@ -2879,36 +2899,13 @@ void dispc_dump_clocks(struct seq_file *s)
                 seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
                                 (dispc_fclk_rate()/lcd), lcd);
         }
-        seq_printf(s, "- LCD1 -\n");
 
-        lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD);
+        dispc_dump_clocks_channel(s, OMAP_DSS_CHANNEL_LCD);
 
-        seq_printf(s, "lcd1_clk source = %s (%s)\n",
-                dss_get_generic_clk_source_name(lcd_clk_src),
-                dss_feat_get_clk_source_name(lcd_clk_src));
-
-        dispc_mgr_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD, &lcd, &pcd);
-
-        seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
-                        dispc_mgr_lclk_rate(OMAP_DSS_CHANNEL_LCD), lcd);
-        seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
-                        dispc_mgr_pclk_rate(OMAP_DSS_CHANNEL_LCD), pcd);
-        if (dss_has_feature(FEAT_MGR_LCD2)) {
-                seq_printf(s, "- LCD2 -\n");
-
-                lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD2);
-
-                seq_printf(s, "lcd2_clk source = %s (%s)\n",
-                        dss_get_generic_clk_source_name(lcd_clk_src),
-                        dss_feat_get_clk_source_name(lcd_clk_src));
-
-                dispc_mgr_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD2, &lcd, &pcd);
-
-                seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
-                                dispc_mgr_lclk_rate(OMAP_DSS_CHANNEL_LCD2), lcd);
-                seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
-                                dispc_mgr_pclk_rate(OMAP_DSS_CHANNEL_LCD2), pcd);
-        }
+        if (dss_has_feature(FEAT_MGR_LCD2))
+                dispc_dump_clocks_channel(s, OMAP_DSS_CHANNEL_LCD2);
+        if (dss_has_feature(FEAT_MGR_LCD3))
+                dispc_dump_clocks_channel(s, OMAP_DSS_CHANNEL_LCD3);
 
         dispc_runtime_put();
 }
@@ -2961,6 +2958,12 @@ void dispc_dump_irqs(struct seq_file *s)
                 PIS(ACBIAS_COUNT_STAT2);
                 PIS(SYNC_LOST2);
         }
+        if (dss_has_feature(FEAT_MGR_LCD3)) {
+                PIS(FRAMEDONE3);
+                PIS(VSYNC3);
+                PIS(ACBIAS_COUNT_STAT3);
+                PIS(SYNC_LOST3);
+        }
 #undef PIS
 }
 #endif
@@ -2972,6 +2975,7 @@ static void dispc_dump_regs(struct seq_file *s)
                 [OMAP_DSS_CHANNEL_LCD]          = "LCD",
                 [OMAP_DSS_CHANNEL_DIGIT]        = "TV",
                 [OMAP_DSS_CHANNEL_LCD2]         = "LCD2",
+                [OMAP_DSS_CHANNEL_LCD3]         = "LCD3",
         };
         const char *ovl_names[] = {
                 [OMAP_DSS_GFX]          = "GFX",
@@ -3004,6 +3008,10 @@ static void dispc_dump_regs(struct seq_file *s)
                 DUMPREG(DISPC_CONTROL2);
                 DUMPREG(DISPC_CONFIG2);
         }
+        if (dss_has_feature(FEAT_MGR_LCD3)) {
+                DUMPREG(DISPC_CONTROL3);
+                DUMPREG(DISPC_CONFIG3);
+        }
 
 #undef DUMPREG
 
@@ -3386,6 +3394,8 @@ static void print_irq_status(u32 status)
         PIS(SYNC_LOST_DIGIT);
         if (dss_has_feature(FEAT_MGR_LCD2))
                 PIS(SYNC_LOST2);
+        if (dss_has_feature(FEAT_MGR_LCD3))
+                PIS(SYNC_LOST3);
 #undef PIS
 
         printk("\n");