Removed unneeded pcf50606.c.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11349 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 0 insertions, 538 deletions

diff --git a/firmware/drivers/pcf50606.c b/firmware/drivers/pcf50606.c
deleted file mode 100644
index 28df295988..0000000000
--- a/firmware/drivers/pcf50606.c
+++ /dev/null
@@ -1,538 +0,0 @@
-/***************************************************************************
- *             __________               __   ___.
- *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
- *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
- *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
- *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
- *                     \/            \/     \/    \/            \/
- * $Id$
- *
- * Copyright (C) 2005 by Linus Nielsen Feltzing
- *
- * 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 "cpu.h"
-#include <stdbool.h>
-#include "kernel.h"
-#include "system.h"
-#include "hwcompat.h"
-#include "logf.h"
-#include "string.h"
-
-/* TODO: merge all bit-banged I2C into a generic I2C driver */
-
-#define USE_ASM
-
-#define SDA             ( 0x00002000 & GPIO1_READ)
-#define SDA_LO_OUT  or_l( 0x00002000, &GPIO1_ENABLE)
-#define SDA_HI_IN  and_l(~0x00002000, &GPIO1_ENABLE)
-
-#define SCL             ( 0x00001000 & GPIO_READ)
-#define SCL_LO_OUT  or_l( 0x00001000, &GPIO_ENABLE)
-#define SCL_HI_IN   and_l(~0x00001000, &GPIO_ENABLE); while(!SCL);
-
-#define DELAY                           \
-    asm (                               \
-        "move.l  %[dly],%%d0 \n"        \
-    "1:                      \n"        \
-        "subq.l  #1,%%d0     \n"        \
-        "bhi.s   1b          \n"        \
-        : : [dly]"d"(i2c_delay) : "d0" );
-
-static int i2c_delay IDATA_ATTR = 44;
-
-void pcf50606_i2c_recalc_delay(int cpu_clock)
-{
-    i2c_delay = MAX(cpu_clock / (400000*2*3) - 7, 1);
-}
-
-inline void pcf50606_i2c_start(void)
-{
-#ifdef USE_ASM
-    asm (
-        "not.l   %[sdab]             \n" /* SDA_HI_IN */
-        "and.l   %[sdab],(8,%[gpi1]) \n"
-        "not.l   %[sdab]             \n"
-
-        "not.l   %[sclb]             \n" /* SCL_HI_IN */
-        "and.l   %[sclb],(8,%[gpio]) \n"
-        "not.l   %[sclb]             \n"
-    "1:                              \n"
-        "move.l  (%[gpio]),%%d0      \n"
-        "btst.l  #12,%%d0            \n"
-        "beq.s   1b                  \n"
-
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-
-        "or.l    %[sdab],(8,%[gpi1]) \n" /* SDA_LO_OUT */
-
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-
-        "or.l    %[sclb],(8,%[gpio]) \n" /* SCL_LO_OUT */
-        : /* outputs */
-        : /* inputs */
-        [gpio]"a"(&GPIO_READ),
-        [sclb]"d"(0x00001000),
-        [gpi1]"a"(&GPIO1_READ),
-        [sdab]"d"(0x00002000),
-        [dly] "d"(i2c_delay)
-        : /* clobbers */
-        "d0"
-    );
-#else
-    SDA_HI_IN;
-    SCL_HI_IN;
-    DELAY;
-    SDA_LO_OUT;
-    DELAY;
-    SCL_LO_OUT;
-#endif
-}
-
-inline void pcf50606_i2c_stop(void)
-{
-#ifdef USE_ASM
-    asm (
-        "or.l    %[sdab],(8,%[gpi1]) \n" /* SDA_LO_OUT */
-
-        "not.l   %[sclb]             \n" /* SCL_HI_IN */
-        "and.l   %[sclb],(8,%[gpio]) \n"
-        "not.l   %[sclb]             \n"
-    "1:                              \n"
-        "move.l  (%[gpio]),%%d0      \n"
-        "btst.l  #12,%%d0            \n"
-        "beq.s   1b                  \n"
-
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-
-        "not.l   %[sdab]             \n" /* SDA_HI_IN */
-        "and.l   %[sdab],(8,%[gpi1]) \n"
-        "not.l   %[sdab]             \n"
-        : /* outputs */
-        : /* inputs */
-        [gpio]"a"(&GPIO_READ),
-        [sclb]"d"(0x00001000),
-        [gpi1]"a"(&GPIO1_READ),
-        [sdab]"d"(0x00002000),
-        [dly] "d"(i2c_delay)
-        : /* clobbers */
-        "d0"
-    );
-#else
-    SDA_LO_OUT;
-    SCL_HI_IN;
-    DELAY;
-    SDA_HI_IN;
-#endif
-}
-
-inline void pcf50606_i2c_ack(bool ack)
-{
-#ifdef USE_ASM
-    asm (
-        "tst.b   %[ack]              \n" /* if (!ack) */
-        "bne.s   1f                  \n"
-
-        "not.l   %[sdab]             \n" /*   SDA_HI_IN */
-        "and.l   %[sdab],(8,%[gpi1]) \n"
-        "not.l   %[sdab]             \n"
-        ".word   0x51fb              \n" /* trapf.l : else */
-    "1:                              \n"
-        "or.l    %[sdab],(8,%[gpi1]) \n" /*   SDA_LO_OUT */
-
-        "not.l   %[sclb]             \n" /* SCL_HI_IN */
-        "and.l   %[sclb],(8,%[gpio]) \n"
-        "not.l   %[sclb]             \n"
-    "1:                              \n"
-        "move.l  (%[gpio]),%%d0      \n"
-        "btst.l  #12,%%d0            \n"
-        "beq.s   1b                  \n"
-
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-
-        "or.l    %[sclb],(8,%[gpio]) \n" /* SCL_LO_OUT */
-        : /* outputs */
-        : /* inputs */
-        [gpio]"a"(&GPIO_READ),
-        [sclb]"d"(0x00001000),
-        [gpi1]"a"(&GPIO1_READ),
-        [sdab]"d"(0x00002000),
-        [dly] "d"(i2c_delay),
-        [ack] "d"(ack)
-        : /* clobbers */
-        "d0"
-    );
-#else
-    if(ack)
-        SDA_LO_OUT;
-    else
-        SDA_HI_IN;
-
-    SCL_HI_IN;
-
-    DELAY;
-    SCL_LO_OUT;
-#endif
-}
-
-inline bool pcf50606_i2c_getack(void)
-{
-    bool ret;
-
-#ifdef USE_ASM
-    asm (
-        "not.l   %[sdab]             \n" /* SDA_HI_IN */
-        "and.l   %[sdab],(8,%[gpi1]) \n"
-        "not.l   %[sdab]             \n"
-
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-
-        "not.l   %[sclb]             \n" /* SCL_HI_IN */
-        "and.l   %[sclb],(8,%[gpio]) \n"
-        "not.l   %[sclb]             \n"
-    "1:                              \n"
-        "move.l  (%[gpio]),%%d0      \n"
-        "btst.l  #12,%%d0            \n"
-        "beq.s   1b                  \n"
-
-        "move.l  (%[gpi1]),%%d0      \n" /* ret = !SDA */
-        "btst.l  #13,%%d0            \n"
-        "seq.b   %[ret]              \n"
-
-        "or.l    %[sclb],(8,%[gpio]) \n" /* SCL_LO_OUT */
-
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-        : /* outputs */
-        [ret]"=&d"(ret)
-        : /* inputs */
-        [gpio]"a"(&GPIO_READ),
-        [sclb]"d"(0x00001000),
-        [gpi1]"a"(&GPIO1_READ),
-        [sdab]"d"(0x00002000),
-        [dly] "d"(i2c_delay)
-        : /* clobbers */
-        "d0"
-    );
-#else
-    SDA_HI_IN;
-    DELAY;
-    SCL_HI_IN;
-
-    ret = !SDA;
-
-    SCL_LO_OUT;
-    DELAY;
-#endif
-
-    return ret;
-}
-
-void pcf50606_i2c_outb(unsigned char byte)
-{
-#ifdef USE_ASM
-    asm volatile (
-        "moveq.l #24,%%d0            \n" /* byte <<= 24 */
-        "lsl.l   %%d0,%[byte]        \n"
-        "moveq.l #8,%%d1             \n" /* i = 8 */
-        
-    "2:                              \n" /* do */
-        "lsl.l   #1,%[byte]          \n" /* if ((byte <<= 1) carry) */
-        "bcc.s   1f                  \n"
-
-        "not.l   %[sdab]             \n" /*   SDA_HI_IN */
-        "and.l   %[sdab],(8,%[gpi1]) \n"
-        "not.l   %[sdab]             \n"
-        ".word   0x51fb              \n" /* trapf.l; else */
-    "1:                              \n"
-        "or.l    %[sdab],(8,%[gpi1]) \n" /*   SDA_LO_OUT */
-
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-
-        "not.l   %[sclb]             \n" /* SCL_HI_IN */
-        "and.l   %[sclb],(8,%[gpio]) \n"
-        "not.l   %[sclb]             \n"
-    "1:                              \n"
-        "move.l  (%[gpio]),%%d0      \n"
-        "btst.l  #12,%%d0            \n"
-        "beq.s   1b                  \n"
-
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-
-        "or.l    %[sclb],(8,%[gpio]) \n" /* SCL_LO_OUT */
-
-        "subq.l  #1,%%d1             \n" /* i-- */
-        "bne.s   2b                  \n" /* while (i != 0) */
-        : /* outputs */
-        [byte]"+d"(byte)
-        : /* inputs */
-        [gpio]"a"(&GPIO_READ),
-        [sclb]"d"(0x00001000),
-        [gpi1]"a"(&GPIO1_READ),
-        [sdab]"d"(0x00002000),
-        [dly] "d"(i2c_delay)
-        : /* clobbers */
-        "d0", "d1"
-    );
-#else
-    int i;
-
-    /* clock out each bit, MSB first */
-    for ( i=0x80; i; i>>=1 )   
-    {
-        if ( i & byte )
-            SDA_HI_IN;
-        else
-            SDA_LO_OUT;
-        DELAY;
-        SCL_HI_IN;
-        DELAY;
-        SCL_LO_OUT;
-    }
-#endif
-}
-
-unsigned char pcf50606_i2c_inb(bool ack)
-{
-    unsigned char byte = 0;
-
-#ifdef USE_ASM
-    asm (
-        "not.l   %[sdab]             \n" /* SDA_HI_IN */
-        "and.l   %[sdab],(8,%[gpi1]) \n"
-        "not.l   %[sdab]             \n"
-
-        "moveq.l #8,%%d1             \n" /* i = 8 */
-        "clr.l   %[byte]             \n" /* byte = 0 */
-        
-    "2:                              \n" /* do */
-        "not.l   %[sclb]             \n" /* SCL_HI_IN */
-        "and.l   %[sclb],(8,%[gpio]) \n"
-        "not.l   %[sclb]             \n"
-    "1:                              \n"
-        "move.l  (%[gpio]),%%d0      \n"
-        "btst.l  #12,%%d0            \n"
-        "beq.s   1b                  \n"
-
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-
-        "lsl.l   #1,%[byte]          \n" /* byte <<= 1 */
-        "move.l  (%[gpi1]),%%d0      \n" /* if (SDA) */
-        "btst.l  #13,%%d0            \n"
-        "beq.s   1f                  \n"
-        "addq.l  #1,%[byte]          \n" /*   byte++ */
-    "1:                              \n"
-
-        "or.l    %[sclb],(8,%[gpio]) \n" /* SCL_LO_OUT */
-    
-        "move.l  %[dly],%%d0         \n" /* DELAY */
-    "1:                              \n"
-        "subq.l  #1,%%d0             \n"
-        "bhi.s   1b                  \n"
-
-        "subq.l  #1,%%d1             \n" /* i-- */
-        "bne.s   2b                  \n" /* while (i != 0) */
-        : /* outputs */
-        [byte]"=&d"(byte)
-        : /* inputs */
-        [gpio]"a"(&GPIO_READ),
-        [sclb]"d"(0x00001000),
-        [gpi1]"a"(&GPIO1_READ),
-        [sdab]"d"(0x00002000),
-        [dly] "d"(i2c_delay)
-        : /* clobbers */
-        "d0", "d1"
-    );
-#else
-    int i;
-
-    /* clock in each bit, MSB first */
-    SDA_HI_IN;
-    for ( i=0x80; i; i>>=1 )
-    {
-        SCL_HI_IN;
-        DELAY;
-        if ( SDA )
-            byte |= i;
-        SCL_LO_OUT;
-        DELAY;
-    }
-#endif
-
-    pcf50606_i2c_ack(ack);
-   
-    return byte;
-}
-
-int pcf50606_i2c_write(int address, const unsigned char* buf, int count)
-{
-    int i,x=0;
-
-    pcf50606_i2c_start();
-    pcf50606_i2c_outb(address & 0xfe);
-    if (pcf50606_i2c_getack())
-    {
-        for (i=0; i<count; i++)
-        {
-            pcf50606_i2c_outb(buf[i]);
-            if (!pcf50606_i2c_getack())
-            {
-                x=-2;
-                break;
-            }
-        }
-    }
-    else
-    {
-        logf("pcf50606_i2c_write() - no ack\n");
-        x=-1;
-    }
-    return x;
-}
-
-int pcf50606_read_multiple(int address, unsigned char* buf, int count)
-{
-    int i=0;
-    int ret = 0;
-    unsigned char obuf[1];
-
-    obuf[0] = address;
-
-    /* send read command */
-    if (pcf50606_i2c_write(0x10, obuf, 1) >= 0)
-    {
-        pcf50606_i2c_start();
-        pcf50606_i2c_outb(0x11);
-        if (pcf50606_i2c_getack())
-        {
-            for(i = 0;i < count-1;i++)
-                buf[i] = pcf50606_i2c_inb(true);
-            
-            buf[i] = pcf50606_i2c_inb(false);
-        }
-        else
-        {
-            ret = -1;
-        }
-    }
-
-    pcf50606_i2c_stop();
-
-    return ret;
-}
-
-int pcf50606_read(int address)
-{
-    int ret;
-    unsigned char c;
-
-    ret = pcf50606_read_multiple(address, &c, 1);
-    if(ret >= 0)
-        return c;
-    else
-        return ret;
-}
-
-int pcf50606_write_multiple(int address, const unsigned char* buf, int count)
-{
-    unsigned char obuf[1];
-    int i;
-    int ret = 0;
-
-    obuf[0] = address;
-    
-    /* send write command */
-    if (pcf50606_i2c_write(0x10, obuf, 1) >= 0)
-    {
-        for (i=0; i<count; i++)
-        {
-            pcf50606_i2c_outb(buf[i]);
-            if (!pcf50606_i2c_getack())
-            {
-                ret = -2;
-                break;
-            }
-        }
-    }
-    else
-    {
-        ret = -1;
-    }
-
-    pcf50606_i2c_stop();
-    return ret;
-}
-
-int pcf50606_write(int address, unsigned char val)
-{
-    return pcf50606_write_multiple(address, &val, 1);
-}
-
-
-/* These voltages were determined by measuring the output of the PCF50606
-   on a running H300, and verified by disassembling the original firmware */
-static void set_voltages(void)
-{
-    static const unsigned char buf[5] =
-        {
-            0xf4,   /* IOREGC = 2.9V, ON in all states */
-            0xef,   /* D1REGC = 2.4V, ON in all states */
-            0x18,   /* D2REGC = 3.3V, OFF in all states */
-            0xf0,   /* D3REGC = 2.5V, ON in all states */
-            0xef,   /* LPREGC1 = 2.4V, ON in all states */
-        };
-    
-    pcf50606_write_multiple(0x23, buf, 5);
-}
-
-void pcf50606_init(void)
-{
-    /* Bit banged I2C */
-    or_l(0x00002000, &GPIO1_FUNCTION);
-    or_l(0x00001000, &GPIO_FUNCTION);
-    and_l(~0x00002000, &GPIO1_OUT);
-    and_l(~0x00001000, &GPIO_OUT);
-    and_l(~0x00002000, &GPIO1_ENABLE);
-    and_l(~0x00001000, &GPIO_ENABLE);
-
-    set_voltages();
-
-    pcf50606_write(0x08, 0x60); /* Wake on USB and charger insertion */
-    pcf50606_write(0x09, 0x05); /* USB and ON key debounce: 14ms */
-    pcf50606_write(0x29, 0x1C); /* Disable the unused MBC module */
-    
-    pcf50606_write(0x35, 0x13); /* Backlight PWM = 512Hz 50/50 */
-    pcf50606_write(0x3a, 0x3b); /* PWM output on GPOOD1 */
-}