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Split radio i2c drivers into target tree where they belong. No changes to binaries produced.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15558 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Barry Wardell 2007-11-10 19:14:01 +00:00
parent a677678e31
commit 0d8111cb39
4 changed files with 242 additions and 194 deletions
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7
firmware/SOURCES
View file

@ -163,7 +163,6 @@ drivers/fmradio.c
drivers/tuner/s1a0903x01.c
#endif /* (CONFIG_TUNER & S1A0903X01) */
#if (CONFIG_TUNER & TEA5767)
drivers/fmradio_i2c.c
drivers/tuner/tea5767.c
#endif /* (CONFIG_TUNER & TEA5767) */
#endif /*SIMULATOR */
@ -406,6 +405,9 @@ target/sh/archos/ondio/button-ondio.c
target/sh/archos/ondio/power-ondio.c
target/sh/archos/ondio/powermgmt-ondio.c
target/sh/archos/ondio/usb-ondio.c
#if (CONFIG_TUNER & TEA5767)
target/sh/archos/ondio/fmradio_i2c-ondio.c
#endif
#endif /* SIMULATOR */
#endif /* ARCHOS_ONDIOFM || ARCHOS_ONDIOFM */
@ -459,6 +461,7 @@ target/coldfire/iaudio/usb-iaudio.c
target/coldfire/iaudio/x5/backlight-x5.c
target/coldfire/iaudio/x5/button-x5.c
target/coldfire/iaudio/x5/ds2411-x5.c
target/coldfire/iaudio/x5/fmradio_i2c-x5.c
target/coldfire/iaudio/x5/lcd-as-x5.S
target/coldfire/iaudio/x5/lcd-x5.c
target/coldfire/iaudio/x5/m5636-x5.c
@ -505,6 +508,7 @@ target/coldfire/pcf50606-coldfire.c
target/coldfire/iriver/ata-iriver.c
target/coldfire/iriver/lcd-remote-iriver.c
target/coldfire/iriver/system-iriver.c
target/coldfire/iriver/fmradio_i2c-iriver.c
target/coldfire/iriver/h300/sw_i2c-h300.c
target/coldfire/iriver/h300/adc-h300.c
target/coldfire/iriver/h300/backlight-h300.c
@ -527,6 +531,7 @@ target/coldfire/ata-as-coldfire.S
target/coldfire/iriver/ata-iriver.c
target/coldfire/iriver/lcd-remote-iriver.c
target/coldfire/iriver/system-iriver.c
target/coldfire/iriver/fmradio_i2c-iriver.c
target/coldfire/iriver/h100/sw_i2c-h100.c
target/coldfire/iriver/h100/adc-h100.c
target/coldfire/iriver/h100/backlight-h100.c

37
firmware/target/coldfire/iaudio/x5/fmradio_i2c-x5.c Normal file
View file

@ -0,0 +1,37 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id:$
* Physical interface of the Philips TEA5767 in iAudio x5
*
* Copyright (C) 2002 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"
#if (CONFIG_TUNER & TEA5767)
#include "i2c-coldfire.h"
int fmradio_i2c_write(unsigned char address, const unsigned char* buf,
int count)
{
return i2c_write(I2C_IFACE_0, address, buf, count);
}
int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
{
return i2c_read(I2C_IFACE_0, address, buf, count);
}
#endif

195
firmware/drivers/fmradio_i2c.c → firmware/target/coldfire/iriver/fmradio_i2c-iriver.c
View file

@ -5,8 +5,8 @@
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
* Physical interface of the Philips TEA5767 in Archos Ondio
* $Id:$
* Physical interface of the Philips TEA5767 in iriver H100/H300 series
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
@ -19,29 +19,10 @@
****************************************************************************/
#include "config.h"
#include "cpu.h"
#include "kernel.h"
#include "thread.h"
#include "logf.h"
#include "system.h"
#include "string.h"
#if (CONFIG_TUNER & TEA5767)
#if (CONFIG_I2C == I2C_COLDFIRE)
#ifdef IAUDIO_X5
#include "i2c-coldfire.h"
int fmradio_i2c_write(unsigned char address, const unsigned char* buf,
int count)
{
return i2c_write(I2C_IFACE_0, address, buf, count);
}
int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
{
return i2c_read(I2C_IFACE_0, address, buf, count);
}
#else
/* cute little functions, atomic read-modify-write */
/* SDA is GPIO1,23 */
@ -257,177 +238,5 @@ int fmradio_i2c_read(int address, unsigned char* buf, int count)
fmradio_i2c_stop();
return x;
}
#endif /* ! IAUDIO_X5 */
#else
/* cute little functions, atomic read-modify-write */
/* SDA is PB4 */
#define SDA_LO and_b(~0x10, &PBDRL)
#define SDA_HI or_b(0x10, &PBDRL)
#define SDA_INPUT and_b(~0x10, &PBIORL)
#define SDA_OUTPUT or_b(0x10, &PBIORL)
#define SDA (PBDR & 0x0010)
/* SCL is PB1 */
#define SCL_INPUT and_b(~0x02, &PBIORL)
#define SCL_OUTPUT or_b(0x02, &PBIORL)
#define SCL_LO and_b(~0x02, &PBDRL)
#define SCL_HI or_b(0x02, &PBDRL)
#define SCL (PBDR & 0x0002)
/* arbitrary delay loop */
#define DELAY do { int _x; for(_x=0;_x<20;_x++);} while (0)
static void fmradio_i2c_start(void)
{
SDA_OUTPUT;
SDA_HI;
SCL_HI;
SDA_LO;
DELAY;
SCL_LO;
}
static void fmradio_i2c_stop(void)
{
SDA_LO;
SCL_HI;
DELAY;
SDA_HI;
}
static void fmradio_i2c_ack(bool nack)
{
/* Here's the deal. The slave is slow, and sometimes needs to wait
before it can receive the acknowledge. Therefore it forces the clock
low until it is ready. We need to poll the clock line until it goes
high before we release the ack. */
SCL_LO; /* Set the clock low */
if (nack)
SDA_HI;
else
SDA_LO;
SCL_INPUT; /* Set the clock to input */
while(!SCL) /* and wait for the slave to release it */
sleep_thread(0);
DELAY;
SCL_OUTPUT;
SCL_LO;
}
static int fmradio_i2c_getack(void)
{
int ret = 1;
/* Here's the deal. The slave is slow, and sometimes needs to wait
before it can send the acknowledge. Therefore it forces the clock
low until it is ready. We need to poll the clock line until it goes
high before we read the ack. */
SDA_INPUT; /* And set to input */
SCL_INPUT; /* Set the clock to input */
while(!SCL) /* and wait for the slave to release it */
sleep_thread(0);
if (SDA)
/* ack failed */
ret = 0;
SCL_OUTPUT;
SCL_LO;
SDA_HI;
SDA_OUTPUT;
return ret;
}
static void fmradio_i2c_outb(unsigned char byte)
{
int i;
/* clock out each bit, MSB first */
for ( i=0x80; i; i>>=1 ) {
if ( i & byte )
{
SDA_HI;
}
else
{
SDA_LO;
}
SCL_HI;
SCL_LO;
}
SDA_HI;
}
static unsigned char fmradio_i2c_inb(void)
{
int i;
unsigned char byte = 0;
/* clock in each bit, MSB first */
for ( i=0x80; i; i>>=1 ) {
SDA_INPUT; /* And set to input */
SCL_HI;
if ( SDA )
byte |= i;
SCL_LO;
SDA_OUTPUT;
}
return byte;
}
int fmradio_i2c_write(int address, const unsigned char* buf, int count)
{
int i,x=0;
fmradio_i2c_start();
fmradio_i2c_outb(address & 0xfe);
if (fmradio_i2c_getack())
{
for (i=0; i<count; i++)
{
fmradio_i2c_outb(buf[i]);
if (!fmradio_i2c_getack())
{
x=-2;
break;
}
}
}
else
{
logf("fmradio_i2c_write() - no ack\n");
x=-1;
}
fmradio_i2c_stop();
return x;
}
int fmradio_i2c_read(int address, unsigned char* buf, int count)
{
int i,x=0;
fmradio_i2c_start();
fmradio_i2c_outb(address | 1);
if (fmradio_i2c_getack()) {
for (i=count; i>0; i--)
{
*buf++ = fmradio_i2c_inb();
fmradio_i2c_ack(i == 1);
}
}
else
x=-1;
fmradio_i2c_stop();
return x;
}
#endif
#endif

197
firmware/target/sh/archos/ondio/fmradio_i2c-ondio.c Normal file
View file

@ -0,0 +1,197 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id:$
* Physical interface of the Philips TEA5767 in Archos Ondio
*
* Copyright (C) 2002 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 "logf.h"
#include "system.h"
#if (CONFIG_TUNER & TEA5767)
/* cute little functions, atomic read-modify-write */
/* SDA is PB4 */
#define SDA_LO and_b(~0x10, &PBDRL)
#define SDA_HI or_b(0x10, &PBDRL)
#define SDA_INPUT and_b(~0x10, &PBIORL)
#define SDA_OUTPUT or_b(0x10, &PBIORL)
#define SDA (PBDR & 0x0010)
/* SCL is PB1 */
#define SCL_INPUT and_b(~0x02, &PBIORL)
#define SCL_OUTPUT or_b(0x02, &PBIORL)
#define SCL_LO and_b(~0x02, &PBDRL)
#define SCL_HI or_b(0x02, &PBDRL)
#define SCL (PBDR & 0x0002)
/* arbitrary delay loop */
#define DELAY do { int _x; for(_x=0;_x<20;_x++);} while (0)
static void fmradio_i2c_start(void)
{
SDA_OUTPUT;
SDA_HI;
SCL_HI;
SDA_LO;
DELAY;
SCL_LO;
}
static void fmradio_i2c_stop(void)
{
SDA_LO;
SCL_HI;
DELAY;
SDA_HI;
}
static void fmradio_i2c_ack(bool nack)
{
/* Here's the deal. The slave is slow, and sometimes needs to wait
before it can receive the acknowledge. Therefore it forces the clock
low until it is ready. We need to poll the clock line until it goes
high before we release the ack. */
SCL_LO; /* Set the clock low */
if (nack)
SDA_HI;
else
SDA_LO;
SCL_INPUT; /* Set the clock to input */
while(!SCL) /* and wait for the slave to release it */
sleep_thread(0);
DELAY;
SCL_OUTPUT;
SCL_LO;
}
static int fmradio_i2c_getack(void)
{
int ret = 1;
/* Here's the deal. The slave is slow, and sometimes needs to wait
before it can send the acknowledge. Therefore it forces the clock
low until it is ready. We need to poll the clock line until it goes
high before we read the ack. */
SDA_INPUT; /* And set to input */
SCL_INPUT; /* Set the clock to input */
while(!SCL) /* and wait for the slave to release it */
sleep_thread(0);
if (SDA)
/* ack failed */
ret = 0;
SCL_OUTPUT;
SCL_LO;
SDA_HI;
SDA_OUTPUT;
return ret;
}
static void fmradio_i2c_outb(unsigned char byte)
{
int i;
/* clock out each bit, MSB first */
for ( i=0x80; i; i>>=1 ) {
if ( i & byte )
{
SDA_HI;
}
else
{
SDA_LO;
}
SCL_HI;
SCL_LO;
}
SDA_HI;
}
static unsigned char fmradio_i2c_inb(void)
{
int i;
unsigned char byte = 0;
/* clock in each bit, MSB first */
for ( i=0x80; i; i>>=1 ) {
SDA_INPUT; /* And set to input */
SCL_HI;
if ( SDA )
byte |= i;
SCL_LO;
SDA_OUTPUT;
}
return byte;
}
int fmradio_i2c_write(int address, const unsigned char* buf, int count)
{
int i,x=0;
fmradio_i2c_start();
fmradio_i2c_outb(address & 0xfe);
if (fmradio_i2c_getack())
{
for (i=0; i<count; i++)
{
fmradio_i2c_outb(buf[i]);
if (!fmradio_i2c_getack())
{
x=-2;
break;
}
}
}
else
{
logf("fmradio_i2c_write() - no ack\n");
x=-1;
}
fmradio_i2c_stop();
return x;
}
int fmradio_i2c_read(int address, unsigned char* buf, int count)
{
int i,x=0;
fmradio_i2c_start();
fmradio_i2c_outb(address | 1);
if (fmradio_i2c_getack()) {
for (i=count; i>0; i--)
{
*buf++ = fmradio_i2c_inb();
fmradio_i2c_ack(i == 1);
}
}
else
x=-1;
fmradio_i2c_stop();
return x;
}
#endif