Add preliminary support for the Onda VX747 (MIPS target)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18032 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 123 insertions, 0 deletions

diff --git a/firmware/target/mips/ingenic_jz47xx/onda_vx747/button-onda_vx747.c b/firmware/target/mips/ingenic_jz47xx/onda_vx747/button-onda_vx747.c
new file mode 100755
index 0000000000..e42325bcb3
--- /dev/null
+++ b/firmware/target/mips/ingenic_jz47xx/onda_vx747/button-onda_vx747.c
@@ -0,0 +1,123 @@
+/***************************************************************************

+ *             __________               __   ___.

+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___

+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /

+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <

+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \

+ *                     \/            \/     \/    \/            \/

+ * $Id$

+ *

+ * Copyright (C) 2008 by Maurus Cuelenaere

+ *

+ * This program is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU General Public License

+ * as published by the Free Software Foundation; either version 2

+ * of the License, or (at your option) any later version.

+ *

+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY

+ * KIND, either express or implied.

+ *

+ ****************************************************************************/

+ 

+#include "config.h"

+#include "jz4740.h"

+#include "button-target.h"

+

+#define BTN_VOL_DOWN (1 << 27)

+#define BTN_VOL_UP   (1 << 0)

+#define BTN_MENU     (1 << 1)

+#define BTN_OFF      (1 << 29)

+#define BTN_HOLD     (1 << 16)

+#define BTN_MASK     (BTN_VOL_DOWN | BTN_VOL_UP \

+                      | BTN_MENU | BTN_OFF )

+

+#define SADC_CFG_INIT (   \

+                             (2 << SADC_CFG_CLKOUT_NUM_BIT) |  \

+                                        SADC_CFG_XYZ1Z2                      |  \

+                                        SADC_CFG_SNUM_5                |  \

+                                        (1 << SADC_CFG_CLKDIV_BIT)    |  \

+                                        SADC_CFG_PBAT_HIGH             |  \

+                                        SADC_CFG_CMD_INT_PEN )

+

+bool button_hold(void)

+{

+    return (REG_GPIO_PXPIN(3) ^ BTN_HOLD ? 1 : 0);

+}

+

+void button_init_device(void)

+{

+    REG_SADC_ENA = 0;

+    REG_SADC_STATE &= (~REG_SADC_STATE);

+    REG_SADC_CTRL = 0x1f;

+    

+    __cpm_start_sadc();

+    REG_SADC_CFG = SADC_CFG_INIT;

+    

+    REG_SADC_SAMETIME = 1;

+    REG_SADC_WAITTIME = 1000; //per 100 HZ

+    REG_SADC_STATE &= (~REG_SADC_STATE);

+    REG_SADC_CTRL &= (~(SADC_CTRL_PENDM | SADC_CTRL_TSRDYM));

+    REG_SADC_ENA = SADC_ENA_TSEN; // | REG_SADC_ENA;//SADC_ENA_TSEN | SADC_ENA_PBATEN | SADC_ENA_SADCINEN;

+}

+

+static int touch_to_pixels(short x, short y)

+{ 

+    /* X:300 -> 3800 Y:300->3900 */

+    x -= 300;

+    y -= 300;

+    

+    x /= 3200 / LCD_WIDTH;

+    y /= 3600 / LCD_HEIGHT;

+

+    return (x << 16) | y;

+}

+

+int button_read_device(int *data)

+{

+    unsigned int key = ~REG_GPIO_PXPIN(3);

+    int ret = 0;

+    if(key & BTN_MASK)

+    {

+        if(key & BTN_VOL_DOWN)

+            ret |= BUTTON_VOL_DOWN;

+        if(key & BTN_VOL_UP)

+            ret |= BUTTON_VOL_UP;

+        if(key & BTN_MENU)

+            ret |= BUTTON_MENU;

+        if(key & BTN_OFF)

+            ret |= BUTTON_POWER;

+    }

+    

+    if(REG_SADC_STATE & (SADC_CTRL_TSRDYM|SADC_STATE_PEND))

+    {

+        if(REG_SADC_STATE & SADC_CTRL_PENDM)

+        {

+            REG_SADC_CTRL &= (~(SADC_CTRL_PENUM |  SADC_CTRL_TSRDYM));

+            REG_SADC_CTRL |= (SADC_CTRL_PENDM);

+            unsigned int dat;

+            unsigned short xData,yData;

+            short tsz1Data,tsz2Data;

+            

+            dat = REG_SADC_TSDAT;

+            

+            xData = (dat >>  0) & 0xfff;

+            yData = (dat >> 16) & 0xfff;

+            

+            dat = REG_SADC_TSDAT;

+            tsz1Data = (dat >>  0) & 0xfff;

+            tsz2Data = (dat >> 16) & 0xfff;

+            

+            *data = touch_to_pixels(xData, yData);

+            

+            tsz1Data = tsz2Data - tsz1Data;

+        }

+        REG_SADC_STATE = 0;

+        //__intc_unmask_irq(IRQ_SADC);

+    }

+

+    return ret;

+}

+void button_set_touch_available(void)

+{

+    return;

+}