1 files changed, 323 insertions, 0 deletions

diff --git a/firmware/target/arm/tms320dm320/creative-zvm/pic-creativezvm.c b/firmware/target/arm/tms320dm320/creative-zvm/pic-creativezvm.c
new file mode 100644
index 0000000000..35e6bd31fb
--- /dev/null
+++ b/firmware/target/arm/tms320dm320/creative-zvm/pic-creativezvm.c
@@ -0,0 +1,323 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* Copyright (C) 2008 by Maurus Cuelenaere
+*
+* Creative Zen Vision:M interrupt based PIC driver
+*
+* All files in this archive are subject to the GNU General Public License.
+* See the file COPYING in the source tree root for full license agreement.
+*
+* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied.
+*
+****************************************************************************/
+
+#include "config.h"
+#include "system.h"
+#include "kernel.h"
+#include "button-target.h"
+#include "i2c-dm320.h"
+
+
+#include "lcd-target.h"
+#include "lcd.h"
+#include "sprintf.h"
+#include "font.h"
+
+#ifndef ZEN_VISION
+/* Creative Zen Vision:M */
+#define BTN_LEFT                        0x5F00
+#define BTN_RIGHT                       0x4F00
+#define BTN_BACK                        0xBF00
+#define BTN_CUSTOM                      0x8F00
+#define BTN_PLAY                        0x2F00
+#define BTN_POWER                       0x0F00
+#define BTN_MENU                        0x9F00
+#define BTN_HOLD                        0x9F06
+#define BTN_UNHOLD                      0xAF06
+
+#define BTN_REL                         1
+
+#define BTN_TOUCHPAD_PRESS              0x1F00
+#define BTN_TOUCHPAD_CORNER_DOWN        0xAF00
+#define BTN_TOUCHPAD_CORNER_UP          0x3F00
+
+#define HEADPHONE_PLUGIN_A              0x5707
+#define HEADPHONE_PLUGIN_B              0x5F07
+#define HEADPHONE_UNPLUG_A              0x3707
+#define HEADPHONE_UNPLUG_B              0x3F07
+
+#define DOCK_INSERT                     0x6707
+#define DOCK_UNPLUG                     0xDF06
+#define DOCK_USB_INSERT                 0x2F06
+#define DOCK_USB_UNPLUG                 0x3F06
+#define DOCK_POWER_INSERT               0x2707
+#define DOCK_POWER_UNPLUG               0x2F07
+
+#else
+/* Creative Zen Vision */
+#define BTN_LEFT                        0xCF00
+#define BTN_RIGHT                       0xEF00
+#define BTN_BACK                        0xBF00
+#define BTN_CUSTOM                      0x0
+#define BTN_PLAY                        0x2F00
+#define BTN_POWER                       0x0F00
+#define BTN_MENU                        0x9F00
+#define BTN_HOLD                        0x9F06
+#define BTN_UNHOLD                      0xAF06
+/* TODO: other values
+First number is just pressing it, second is when you release it or keep it pressed a bit longer
+On/Off    = 0F00 && 0F01
+Hold      = 9F06 && AF06
+Volume Up = 6F00 && 6F01
+Vol Down  = 7F00 && 7F01
+Up        = DF00 && DF01
+Right     = EF00 && EF01
+Down      = FF00 && FF01
+Left      = CF00 && CF01
+Back      = BF00 && BF01
+Menu      = 9F00 && Etcetera
+Ok        = 1F00
+Play      = 2F00
+Next      = 4F00
+Prev      = 5F00
+
+USB       = 2F06
+USB ouot  = 3F06
+Headphones= AF06
+Hdphns out= BF06
+Charger   = 4F06 -> 9F05
+Chgrout   = 5F06 -> 8F05
+AV in     = 8F06
+AV out    = 9F06 */
+
+#define BTN_REL                         1
+
+#define BTN_TOUCHPAD_PRESS              0x8F00
+#define BTN_TOUCHPAD_LONG_PRESS         0x0F00
+#define BTN_TOUCHPAD_CORNER_DOWN        0xD700
+#define BTN_TOUCHPAD_CORNER_LONG_DOWN   0x5700
+#define BTN_TOUCHPAD_CORNER_UP          0x9F00
+#define BTN_TOUCHPAD_CORNER_LONG_UP     0x1F00
+
+#define HEADPHONE_PLUGIN_A              0xAF06
+#define HEADPHONE_PLUGIN_B              0xAF06
+#define HEADPHONE_UNPLUG_A              0xBF06
+#define HEADPHONE_UNPLUG_B              0xBF06
+
+#define DOCK_INSERT                     0x0
+#define DOCK_UNPLUG                     0x0
+#define DOCK_USB_INSERT                 0x2F06
+#define DOCK_USB_UNPLUG_A               0x3F06
+#define DOCK_USB_UNPLUG_B               0x3F06
+#define DOCK_POWER_INSERT               0x4F06
+#define DOCK_POWER_UNPLUG               0x5F06
+#define DOCK_AV_INSERT                  0x8F06
+#define DOCK_AV_UNPLUG                  0x9F06
+#endif
+
+#define PIC_ADR                         0x07
+
+#define MASK_TV_OUT(x)                  ((x >> 14) & 1)
+#define MASK_xx1(x)                     ((x >> 9) & 3)
+#define MASK_xx2(x)                     ((x >> 4) & 1)
+#define MASK_xx3(x)                     ((x >> 5) & 1)
+#define MASK_xx4(x)                     ((x >> 6) & 1)
+#define MASK_xx5(x)                     ((x >> 13) & 1)
+#define MASK_xx6(x)                     ((x >> 12) & 1)
+#define MASK_xx7(x)                     ((x >> 11) & 1)
+
+#define NONBUTTON_HEADPHONE             (1 << 0)
+#define NONBUTTON_DOCK                  (1 << 1)
+#define NONBUTTON_USB                   (1 << 2)
+#define NONBUTTON_POWER                 (1 << 3)
+#define NONBUTTON_VIDEOUT               (1 << 4)
+
+static unsigned int btn;
+static bool hold_switch;
+static unsigned char nonbtn;
+static unsigned int pic_init_value;
+static unsigned int pic_init2_value;
+static unsigned int last_btn;
+static long last_tick;
+static int tick_diff;
+
+#define TICK_MIN 0x33
+#define TICK_MAX 0x34
+
+/* Taken from scramble.c and modified */
+static inline unsigned short le2short(unsigned char* buf)
+{
+   return (unsigned short)((buf[1] << 8) | buf[0]);
+}
+
+#define map_button(BtN,BtN2) case BtN: \
+                                 btn ^= BtN2; \
+                                 btn &= BtN2; \
+                                 break; \
+                             case BtN ^ BTN_REL: \
+                                 btn ^= BtN2; \
+                                 btn &= BtN2; \
+                                 break;
+
+#ifdef BUTTON_DEBUG
+static bool sw = false;
+#endif
+
+void GIO0(void)
+{
+    unsigned char msg[4];
+    i2c_read(PIC_ADR, msg, sizeof(msg));
+    tick_diff = current_tick - last_tick;
+    last_tick = current_tick;
+    unsigned short btn_press = le2short(msg);
+    if(tick_diff >= TICK_MIN && tick_diff <= TICK_MAX)
+    {
+        /* Ignore this, as it is a hold event */
+        IO_INTC_IRQ1 = INTR_IRQ1_EXT0;
+        return;
+    }
+    last_btn = btn_press;
+    switch(btn_press)
+    {
+        map_button(BTN_LEFT,                 BUTTON_LEFT);
+        map_button(BTN_RIGHT,                BUTTON_RIGHT);
+        map_button(BTN_BACK,                 BUTTON_BACK);
+        map_button(BTN_CUSTOM,               BUTTON_CUSTOM);
+        map_button(BTN_MENU,                 BUTTON_MENU);
+        map_button(BTN_PLAY,                 BUTTON_PLAY);
+        map_button(BTN_POWER,                BUTTON_POWER);
+        map_button(BTN_TOUCHPAD_PRESS,       BUTTON_SELECT);
+        map_button(BTN_TOUCHPAD_CORNER_DOWN, BUTTON_DOWN);
+        map_button(BTN_TOUCHPAD_CORNER_UP,   BUTTON_UP);
+    case BTN_HOLD:
+        hold_switch = true;
+        break;
+    case BTN_UNHOLD:
+        hold_switch = false;
+        break;
+    case HEADPHONE_PLUGIN_A:
+    case HEADPHONE_PLUGIN_B:
+        nonbtn |= NONBUTTON_HEADPHONE;
+        break;
+    case HEADPHONE_UNPLUG_A:
+    case HEADPHONE_UNPLUG_B:
+        nonbtn &= ~NONBUTTON_HEADPHONE;
+        break;
+    case DOCK_INSERT:
+        nonbtn |= NONBUTTON_DOCK;
+        break;
+    case DOCK_UNPLUG:
+        nonbtn &= ~(NONBUTTON_DOCK | NONBUTTON_USB | NONBUTTON_POWER);
+        break;
+    case DOCK_USB_INSERT:
+        nonbtn |= NONBUTTON_USB;
+        break;
+    case DOCK_USB_UNPLUG:
+        nonbtn &= ~NONBUTTON_USB;
+        break;
+    case DOCK_POWER_INSERT:
+        nonbtn |= NONBUTTON_POWER;
+        break;
+    case DOCK_POWER_UNPLUG:
+        nonbtn &= ~NONBUTTON_POWER;
+        break;
+    }
+#ifdef BUTTON_DEBUG
+    unsigned char weergvn[10];
+#ifdef BOOTLOADER
+    lcd_set_foreground((sw ? LCD_RGBPACK(255,0,0) : LCD_RGBPACK(0,255,0) ));
+#endif
+    snprintf(weergvn, sizeof(char)*10, "%x", (unsigned int)((msg[3] << 24) | (msg[2] << 16) | (msg[1] << 8) | msg[0]));
+    lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*10, LCD_HEIGHT-SYSFONT_HEIGHT*10, weergvn);
+    snprintf(weergvn, sizeof(char)*10, "%x", btn);
+    lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*10, LCD_HEIGHT-SYSFONT_HEIGHT*7, weergvn);
+#ifdef BOOTLOADER
+    lcd_set_foreground(LCD_BLACK);
+#endif
+    lcd_update();
+    sw = !sw;
+#endif
+    /* Mask GIO0 interrupt */
+    IO_INTC_IRQ1 = INTR_IRQ1_EXT0;
+}
+
+void send_command_to_pic(unsigned char in, unsigned char* out, unsigned int length)
+{
+    /* Disable GIO0 interrupt */
+    IO_INTC_EINT1 &= ~INTR_EINT1_EXT0;
+    /* Clear EXT0 interrupt */
+    IO_INTC_IRQ1 = INTR_IRQ1_EXT0;
+    /* Write command to I²C */
+    restart:
+    i2c_write(PIC_ADR, &in, 1);
+    /* Wait for PIC */
+    int i = 0;
+    while(!(IO_INTC_IRQ1 & INTR_IRQ1_EXT0))
+    {
+        sleep(0);
+        i++;
+        if(i > 50)
+            goto restart;
+    }
+    /* Read return from I²C */
+    i2c_read(PIC_ADR, out, length);
+    /* Re-enable GIO0 interrupt */
+    IO_INTC_EINT1 |= INTR_EINT1_EXT0;
+}
+
+bool headphones_inserted(void)
+{
+    return (bool)(nonbtn & NONBUTTON_HEADPHONE);
+}
+
+void button_init_device(void)
+{
+    /* TODO: I suppose GIO0 has to be set to input and enable interrupts on it? */
+    /* Enable GIO0 interrupt */
+    IO_INTC_EINT1 |= INTR_EINT1_EXT0;
+    btn = nonbtn = pic_init_value = pic_init2_value = last_btn = hold_switch = 0;
+    /* Initialize PIC */
+    send_command_to_pic(1, &pic_init_value, sizeof(pic_init_value));
+    send_command_to_pic(2, &pic_init2_value, sizeof(pic_init2_value));
+}
+
+int get_debug_info(int choice)
+{
+    switch(choice)
+    {
+        case 1:
+            return pic_init_value;
+        case 2:
+            return pic_init2_value;
+        case 3:
+            return last_btn;
+        case 4:
+            return nonbtn;
+        case 5:
+            return tick_diff;
+    }
+    return -1;
+}
+
+int button_read_device(void)
+{
+    return btn;
+}
+
+bool button_hold(void)
+{
+    return hold_switch;
+}
+
+bool button_usb_connected(void)
+{
+    return (bool)(nonbtn & NONBUTTON_USB);
+}