From 96f0464796639e241074a98b0a5dd7f07305d142 Mon Sep 17 00:00:00 2001
From: Amaury Pouly <pamaury@rockbox.org>
Date: Tue, 18 Oct 2011 22:06:02 +0000
Subject: imx233/fuze+: implement hw info debug screen to show dma channels
 state

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30797 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/imx233/debug-imx233.c | 58 ++++++++++++++++++++++++++++++-
 1 file changed, 57 insertions(+), 1 deletion(-)

(limited to 'firmware')

diff --git a/firmware/target/arm/imx233/debug-imx233.c b/firmware/target/arm/imx233/debug-imx233.c
index 4cfddb3de8..afdc6d0565 100644
--- a/firmware/target/arm/imx233/debug-imx233.c
+++ b/firmware/target/arm/imx233/debug-imx233.c
@@ -21,10 +21,66 @@
 
 #include "system.h"
 #include "debug-target.h"
+#include "dma-imx233.h"
+#include "action.h"
+#include "lcd.h"
+#include "font.h"
+
+static struct
+{
+    const char *name;
+    unsigned chan;
+} dbg_channels[] =
+{
+    { "i2c", APB_I2C },
+    { "dac", APB_AUDIO_DAC },
+    { "ssp1", APB_SSP(1) },
+    { "ssp2", APB_SSP(2) },
+};
+
+bool dbg_hw_info_dma(void)
+{
+    lcd_setfont(FONT_SYSFIXED);
+    
+    while(1)
+    {
+        int button = get_action(CONTEXT_STD, HZ / 25);
+        switch(button)
+        {
+            case ACTION_STD_NEXT:
+            case ACTION_STD_PREV:
+            case ACTION_STD_OK:
+            case ACTION_STD_MENU:
+                lcd_setfont(FONT_UI);
+                return true;
+            case ACTION_STD_CANCEL:
+                lcd_setfont(FONT_UI);
+                return false;
+        }
+        
+        lcd_clear_display();
+
+        lcd_putsf(0, 0, "I G F C E name bar apb ahb");
+        for(unsigned i = 0; i < ARRAYLEN(dbg_channels); i++)
+        {
+            struct imx233_dma_info_t info = imx233_dma_get_info(dbg_channels[i].chan, DMA_INFO_ALL);
+            lcd_putsf(0, i + 1, "%c %c %c %c %c %4s %x %x %x",
+                info.int_enabled ? 'i' : ' ',
+                info.gated ? 'g' : ' ',
+                info.freezed ? 'f' : ' ',
+                info.int_cmdcomplt ? 'c' : ' ',
+                info.int_error ? 'e' : ' ',
+                dbg_channels[i].name, info.bar, info.apb_bytes, info.ahb_bytes);
+        }
+        
+        lcd_update();
+        yield();
+    }
+}
 
 bool dbg_hw_info(void)
 {
-    return false;
+    return dbg_hw_info_dma() && dbg_hw_target_info();
 }
 
 bool dbg_ports(void)
-- 
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