mirror of
https://github.com/Rockbox/rockbox.git
synced 2025-11-23 03:52:45 -05:00
Split radio i2c drivers into target tree where they belong. No changes to binaries produced.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15558 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Barry Wardell
parent
a677678e31
commit
0d8111cb39
4 changed files with 242 additions and 194 deletions
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@ -163,7 +163,6 @@ drivers/fmradio.c
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drivers/tuner/s1a0903x01.c
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drivers/tuner/s1a0903x01.c
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#endif /* (CONFIG_TUNER & S1A0903X01) */
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#endif /* (CONFIG_TUNER & S1A0903X01) */
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#if (CONFIG_TUNER & TEA5767)
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#if (CONFIG_TUNER & TEA5767)
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drivers/fmradio_i2c.c
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drivers/tuner/tea5767.c
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drivers/tuner/tea5767.c
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#endif /* (CONFIG_TUNER & TEA5767) */
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#endif /* (CONFIG_TUNER & TEA5767) */
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#endif /*SIMULATOR */
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#endif /*SIMULATOR */
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@ -406,6 +405,9 @@ target/sh/archos/ondio/button-ondio.c
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target/sh/archos/ondio/power-ondio.c
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target/sh/archos/ondio/power-ondio.c
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target/sh/archos/ondio/powermgmt-ondio.c
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target/sh/archos/ondio/powermgmt-ondio.c
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target/sh/archos/ondio/usb-ondio.c
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target/sh/archos/ondio/usb-ondio.c
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#if (CONFIG_TUNER & TEA5767)
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target/sh/archos/ondio/fmradio_i2c-ondio.c
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#endif
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#endif /* SIMULATOR */
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#endif /* SIMULATOR */
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#endif /* ARCHOS_ONDIOFM || ARCHOS_ONDIOFM */
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#endif /* ARCHOS_ONDIOFM || ARCHOS_ONDIOFM */
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@ -459,6 +461,7 @@ target/coldfire/iaudio/usb-iaudio.c
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target/coldfire/iaudio/x5/backlight-x5.c
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target/coldfire/iaudio/x5/backlight-x5.c
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target/coldfire/iaudio/x5/button-x5.c
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target/coldfire/iaudio/x5/button-x5.c
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target/coldfire/iaudio/x5/ds2411-x5.c
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target/coldfire/iaudio/x5/ds2411-x5.c
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target/coldfire/iaudio/x5/fmradio_i2c-x5.c
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target/coldfire/iaudio/x5/lcd-as-x5.S
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target/coldfire/iaudio/x5/lcd-as-x5.S
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target/coldfire/iaudio/x5/lcd-x5.c
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target/coldfire/iaudio/x5/lcd-x5.c
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target/coldfire/iaudio/x5/m5636-x5.c
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target/coldfire/iaudio/x5/m5636-x5.c
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@ -505,6 +508,7 @@ target/coldfire/pcf50606-coldfire.c
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target/coldfire/iriver/ata-iriver.c
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target/coldfire/iriver/ata-iriver.c
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target/coldfire/iriver/lcd-remote-iriver.c
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target/coldfire/iriver/lcd-remote-iriver.c
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target/coldfire/iriver/system-iriver.c
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target/coldfire/iriver/system-iriver.c
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target/coldfire/iriver/fmradio_i2c-iriver.c
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target/coldfire/iriver/h300/sw_i2c-h300.c
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target/coldfire/iriver/h300/sw_i2c-h300.c
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target/coldfire/iriver/h300/adc-h300.c
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target/coldfire/iriver/h300/adc-h300.c
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target/coldfire/iriver/h300/backlight-h300.c
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target/coldfire/iriver/h300/backlight-h300.c
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@ -527,6 +531,7 @@ target/coldfire/ata-as-coldfire.S
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target/coldfire/iriver/ata-iriver.c
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target/coldfire/iriver/ata-iriver.c
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target/coldfire/iriver/lcd-remote-iriver.c
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target/coldfire/iriver/lcd-remote-iriver.c
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target/coldfire/iriver/system-iriver.c
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target/coldfire/iriver/system-iriver.c
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target/coldfire/iriver/fmradio_i2c-iriver.c
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target/coldfire/iriver/h100/sw_i2c-h100.c
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target/coldfire/iriver/h100/sw_i2c-h100.c
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target/coldfire/iriver/h100/adc-h100.c
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target/coldfire/iriver/h100/adc-h100.c
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target/coldfire/iriver/h100/backlight-h100.c
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target/coldfire/iriver/h100/backlight-h100.c
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37
firmware/target/coldfire/iaudio/x5/fmradio_i2c-x5.c
Normal file
37
firmware/target/coldfire/iaudio/x5/fmradio_i2c-x5.c
Normal file
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@ -0,0 +1,37 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id:$
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* Physical interface of the Philips TEA5767 in iAudio x5
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*
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* Copyright (C) 2002 by Linus Nielsen Feltzing
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#if (CONFIG_TUNER & TEA5767)
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#include "i2c-coldfire.h"
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int fmradio_i2c_write(unsigned char address, const unsigned char* buf,
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int count)
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{
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return i2c_write(I2C_IFACE_0, address, buf, count);
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}
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int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
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{
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return i2c_read(I2C_IFACE_0, address, buf, count);
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}
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#endif
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@ -5,8 +5,8 @@
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* \/ \/ \/ \/ \/
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* $Id$
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* $Id:$
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* Physical interface of the Philips TEA5767 in Archos Ondio
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* Physical interface of the Philips TEA5767 in iriver H100/H300 series
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*
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*
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* Copyright (C) 2002 by Linus Nielsen Feltzing
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* Copyright (C) 2002 by Linus Nielsen Feltzing
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*
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*
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@ -19,29 +19,10 @@
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****************************************************************************/
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****************************************************************************/
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#include "config.h"
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#include "config.h"
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#include "cpu.h"
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#include "cpu.h"
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#include "kernel.h"
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#include "thread.h"
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#include "logf.h"
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#include "logf.h"
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#include "system.h"
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#include "system.h"
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#include "string.h"
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#if (CONFIG_TUNER & TEA5767)
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#if (CONFIG_TUNER & TEA5767)
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#if (CONFIG_I2C == I2C_COLDFIRE)
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#ifdef IAUDIO_X5
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#include "i2c-coldfire.h"
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int fmradio_i2c_write(unsigned char address, const unsigned char* buf,
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int count)
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{
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return i2c_write(I2C_IFACE_0, address, buf, count);
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}
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int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
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{
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return i2c_read(I2C_IFACE_0, address, buf, count);
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}
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#else
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/* cute little functions, atomic read-modify-write */
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/* cute little functions, atomic read-modify-write */
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/* SDA is GPIO1,23 */
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/* SDA is GPIO1,23 */
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@ -257,177 +238,5 @@ int fmradio_i2c_read(int address, unsigned char* buf, int count)
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fmradio_i2c_stop();
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fmradio_i2c_stop();
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return x;
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return x;
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}
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}
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#endif /* ! IAUDIO_X5 */
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#else
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/* cute little functions, atomic read-modify-write */
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/* SDA is PB4 */
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#define SDA_LO and_b(~0x10, &PBDRL)
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#define SDA_HI or_b(0x10, &PBDRL)
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#define SDA_INPUT and_b(~0x10, &PBIORL)
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#define SDA_OUTPUT or_b(0x10, &PBIORL)
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#define SDA (PBDR & 0x0010)
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/* SCL is PB1 */
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#define SCL_INPUT and_b(~0x02, &PBIORL)
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#define SCL_OUTPUT or_b(0x02, &PBIORL)
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#define SCL_LO and_b(~0x02, &PBDRL)
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#define SCL_HI or_b(0x02, &PBDRL)
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#define SCL (PBDR & 0x0002)
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/* arbitrary delay loop */
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#define DELAY do { int _x; for(_x=0;_x<20;_x++);} while (0)
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static void fmradio_i2c_start(void)
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{
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SDA_OUTPUT;
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SDA_HI;
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SCL_HI;
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SDA_LO;
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DELAY;
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SCL_LO;
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}
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static void fmradio_i2c_stop(void)
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{
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SDA_LO;
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SCL_HI;
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DELAY;
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SDA_HI;
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}
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static void fmradio_i2c_ack(bool nack)
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{
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/* Here's the deal. The slave is slow, and sometimes needs to wait
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before it can receive the acknowledge. Therefore it forces the clock
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low until it is ready. We need to poll the clock line until it goes
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high before we release the ack. */
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SCL_LO; /* Set the clock low */
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if (nack)
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SDA_HI;
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else
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SDA_LO;
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SCL_INPUT; /* Set the clock to input */
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while(!SCL) /* and wait for the slave to release it */
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sleep_thread(0);
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DELAY;
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SCL_OUTPUT;
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SCL_LO;
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}
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static int fmradio_i2c_getack(void)
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{
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int ret = 1;
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/* Here's the deal. The slave is slow, and sometimes needs to wait
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before it can send the acknowledge. Therefore it forces the clock
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low until it is ready. We need to poll the clock line until it goes
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high before we read the ack. */
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SDA_INPUT; /* And set to input */
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SCL_INPUT; /* Set the clock to input */
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while(!SCL) /* and wait for the slave to release it */
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sleep_thread(0);
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if (SDA)
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/* ack failed */
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ret = 0;
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SCL_OUTPUT;
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SCL_LO;
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SDA_HI;
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SDA_OUTPUT;
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return ret;
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}
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static void fmradio_i2c_outb(unsigned char byte)
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{
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int i;
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/* clock out each bit, MSB first */
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for ( i=0x80; i; i>>=1 ) {
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if ( i & byte )
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{
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SDA_HI;
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}
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else
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{
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SDA_LO;
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}
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SCL_HI;
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SCL_LO;
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}
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SDA_HI;
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}
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static unsigned char fmradio_i2c_inb(void)
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{
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int i;
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unsigned char byte = 0;
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/* clock in each bit, MSB first */
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for ( i=0x80; i; i>>=1 ) {
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SDA_INPUT; /* And set to input */
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SCL_HI;
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if ( SDA )
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byte |= i;
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SCL_LO;
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SDA_OUTPUT;
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}
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return byte;
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}
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int fmradio_i2c_write(int address, const unsigned char* buf, int count)
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{
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int i,x=0;
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fmradio_i2c_start();
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fmradio_i2c_outb(address & 0xfe);
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if (fmradio_i2c_getack())
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{
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for (i=0; i<count; i++)
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{
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fmradio_i2c_outb(buf[i]);
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if (!fmradio_i2c_getack())
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{
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x=-2;
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break;
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}
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}
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}
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else
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{
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logf("fmradio_i2c_write() - no ack\n");
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x=-1;
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}
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fmradio_i2c_stop();
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return x;
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}
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int fmradio_i2c_read(int address, unsigned char* buf, int count)
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{
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int i,x=0;
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fmradio_i2c_start();
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fmradio_i2c_outb(address | 1);
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if (fmradio_i2c_getack()) {
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for (i=count; i>0; i--)
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{
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*buf++ = fmradio_i2c_inb();
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fmradio_i2c_ack(i == 1);
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}
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}
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else
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x=-1;
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fmradio_i2c_stop();
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return x;
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}
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#endif
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#endif
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#endif
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197
firmware/target/sh/archos/ondio/fmradio_i2c-ondio.c
Normal file
197
firmware/target/sh/archos/ondio/fmradio_i2c-ondio.c
Normal file
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|
@ -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)
|
||||||
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#define SDA_HI or_b(0x10, &PBDRL)
|
||||||
|
#define SDA_INPUT and_b(~0x10, &PBIORL)
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||||||
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#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
|
||||||
Loading…
Add table
Add a link
Reference in a new issue