| /* |
| * 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 */ |