2010-11-12 05:05:22 +07:00
|
|
|
/*
|
|
|
|
* LP5521 LED chip driver.
|
|
|
|
*
|
|
|
|
* Copyright (C) 2010 Nokia Corporation
|
|
|
|
*
|
|
|
|
* Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU General Public License
|
|
|
|
* version 2 as published by the Free Software Foundation.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful, but
|
|
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
* General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
|
|
* 02110-1301 USA
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef __LINUX_LP5521_H
|
|
|
|
#define __LINUX_LP5521_H
|
|
|
|
|
|
|
|
/* See Documentation/leds/leds-lp5521.txt */
|
|
|
|
|
|
|
|
struct lp5521_led_config {
|
2012-03-24 05:02:08 +07:00
|
|
|
char *name;
|
2010-11-12 05:05:22 +07:00
|
|
|
u8 chan_nr;
|
|
|
|
u8 led_current; /* mA x10, 0 if led is not connected */
|
|
|
|
u8 max_current;
|
|
|
|
};
|
|
|
|
|
2012-03-24 05:02:09 +07:00
|
|
|
struct lp5521_led_pattern {
|
|
|
|
u8 *r;
|
|
|
|
u8 *g;
|
|
|
|
u8 *b;
|
|
|
|
u8 size_r;
|
|
|
|
u8 size_g;
|
|
|
|
u8 size_b;
|
|
|
|
};
|
|
|
|
|
2010-11-12 05:05:22 +07:00
|
|
|
#define LP5521_CLOCK_AUTO 0
|
|
|
|
#define LP5521_CLOCK_INT 1
|
|
|
|
#define LP5521_CLOCK_EXT 2
|
|
|
|
|
2012-03-24 05:02:08 +07:00
|
|
|
/* Bits in CONFIG register */
|
|
|
|
#define LP5521_PWM_HF 0x40 /* PWM: 0 = 256Hz, 1 = 558Hz */
|
|
|
|
#define LP5521_PWRSAVE_EN 0x20 /* 1 = Power save mode */
|
|
|
|
#define LP5521_CP_MODE_OFF 0 /* Charge pump (CP) off */
|
|
|
|
#define LP5521_CP_MODE_BYPASS 8 /* CP forced to bypass mode */
|
|
|
|
#define LP5521_CP_MODE_1X5 0x10 /* CP forced to 1.5x mode */
|
|
|
|
#define LP5521_CP_MODE_AUTO 0x18 /* Automatic mode selection */
|
|
|
|
#define LP5521_R_TO_BATT 4 /* R out: 0 = CP, 1 = Vbat */
|
|
|
|
#define LP5521_CLK_SRC_EXT 0 /* Ext-clk source (CLK_32K) */
|
|
|
|
#define LP5521_CLK_INT 1 /* Internal clock */
|
|
|
|
#define LP5521_CLK_AUTO 2 /* Automatic clock selection */
|
|
|
|
|
2010-11-12 05:05:22 +07:00
|
|
|
struct lp5521_platform_data {
|
|
|
|
struct lp5521_led_config *led_config;
|
|
|
|
u8 num_channels;
|
|
|
|
u8 clock_mode;
|
|
|
|
int (*setup_resources)(void);
|
|
|
|
void (*release_resources)(void);
|
|
|
|
void (*enable)(bool state);
|
2011-01-13 07:59:20 +07:00
|
|
|
const char *label;
|
2012-03-24 05:02:08 +07:00
|
|
|
u8 update_config;
|
2012-03-24 05:02:09 +07:00
|
|
|
struct lp5521_led_pattern *patterns;
|
|
|
|
int num_patterns;
|
2010-11-12 05:05:22 +07:00
|
|
|
};
|
|
|
|
|
|
|
|
#endif /* __LINUX_LP5521_H */
|