| /* | |
| * 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 { | |
| char *name; | |
| u8 chan_nr; | |
| u8 led_current; /* mA x10, 0 if led is not connected */ | |
| u8 max_current; | |
| }; | |
| struct lp5521_led_pattern { | |
| u8 *r; | |
| u8 *g; | |
| u8 *b; | |
| u8 size_r; | |
| u8 size_g; | |
| u8 size_b; | |
| }; | |
| #define LP5521_CLOCK_AUTO 0 | |
| #define LP5521_CLOCK_INT 1 | |
| #define LP5521_CLOCK_EXT 2 | |
| /* 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 */ | |
| 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); | |
| const char *label; | |
| u8 update_config; | |
| struct lp5521_led_pattern *patterns; | |
| int num_patterns; | |
| }; | |
| #endif /* __LINUX_LP5521_H */ |