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/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* LED controls.
*/
#include "board.h"
#include "console.h"
#include "i2c.h"
#include "uart.h"
#include "util.h"
static int command_lightsaber(int argc, char **argv)
{
static int addr = 0x54; /* FIXME: 54 and 56 are valid */
int port, reg;
char *e;
int rv;
int d, i;
int reglist[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a };
port = I2C_PORT_LIGHTBAR;
if (1 == argc) { /* dump 'em all */
uart_printf("addr %02x:\n", addr);
for( i=0; i<sizeof(reglist)/sizeof(reglist[0]); i++ ) {
reg = reglist[i];
rv = i2c_read8(port, addr, reg, &d);
if (rv)
return rv;
uart_printf("reg %02x = %02x\n", reg, d);
}
return EC_SUCCESS;
} else if (2 == argc ) { /* read just one */
reg = strtoi(argv[1], &e, 16);
if (*e) {
uart_puts("Invalid reg\n");
return EC_ERROR_INVAL;
}
rv = i2c_read8(port, addr, reg, &d);
if (rv)
return rv;
uart_printf("0x%02x\n", d);
return EC_SUCCESS;
} else if (3 == argc) { /* write one */
if (!strcasecmp(argv[1],"addr")) {
addr = strtoi(argv[2], &e, 16);
uart_printf("addr now %02x\n", addr);
return EC_SUCCESS;
}
reg = strtoi(argv[1], &e, 16);
if (*e) {
uart_puts("Invalid reg\n");
return EC_ERROR_INVAL;
}
d = strtoi(argv[2], &e, 16);
if (*e) {
uart_puts("Invalid data\n");
return EC_ERROR_INVAL;
}
return i2c_write8(port, addr, reg, d);
}
uart_printf("Usage: %s [<reg> [<val]]\n", argv[0]);
uart_printf(" %s addr <ADDR>\n", argv[0]);
return EC_ERROR_INVAL;
}
DECLARE_CONSOLE_COMMAND(lightsaber, command_lightsaber);
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