79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/***************************************************************************
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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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*
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* Copyright (C) 2012 by amaury Pouly
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*
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* Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
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* and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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#include "system.h"
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#include <string.h>
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#include "kernel.h"
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#include "power.h"
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#include "tuner.h" /* tuner abstraction interface */
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#include "fmradio.h"
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#include "fmradio_i2c.h" /* physical interface driver */
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#include "stfm1000.h"
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#define STFM100_I2C_ADDR 0xc0
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#define CHIPID 0x80
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static int stfm1000_read_reg(uint8_t reg, uint32_t *val)
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{
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uint8_t buf[4];
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buf[0] = reg;
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int ret = fmradio_i2c_write(STFM100_I2C_ADDR, buf, 1);
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if(ret < 0) return ret;
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ret = fmradio_i2c_read(STFM100_I2C_ADDR, buf, 4);
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*val = buf[0] | buf[1] << 8 | buf[2] << 16 | buf[3] << 24;
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return ret;
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}
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static int stfm1000_write_reg(uint8_t reg, uint32_t val)
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{
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uint8_t buf[5];
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buf[0] = reg;
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buf[1] = val & 0xff; buf[2] = (val >> 8) & 0xff;
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buf[3] = (val >> 16) & 0xff; buf[4] = (val >> 24) & 0xff;
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return fmradio_i2c_write(STFM100_I2C_ADDR, buf, 5);
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}
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void stfm1000_dbg_info(struct stfm1000_dbg_info *nfo)
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{
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memset(nfo, 0, sizeof(struct stfm1000_dbg_info));
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stfm1000_read_reg(CHIPID, &nfo->chipid);
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}
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void stfm1000_init(void)
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{
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}
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int stfm1000_set(int setting, int value)
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{
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(void) setting;
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(void) value;
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return -1;
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}
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int stfm1000_get(int setting)
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{
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(void) setting;
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return -1;
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} |