Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / led-lm3530.h

diff --git a/kernel/include/linux/led-lm3530.h b/kernel/include/linux/led-lm3530.h
new file mode 100644 (file)
index 0000000..4b13347
--- /dev/null
+++ b/kernel/include/linux/led-lm3530.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2011 ST-Ericsson SA.
+ * Copyright (C) 2009 Motorola, Inc.
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * Simple driver for National Semiconductor LM35330 Backlight driver chip
+ *
+ * Author: Shreshtha Kumar SAHU <shreshthakumar.sahu@stericsson.com>
+ * based on leds-lm3530.c by Dan Murphy <D.Murphy@motorola.com>
+ */
+
+#ifndef _LINUX_LED_LM3530_H__
+#define _LINUX_LED_LM3530_H__
+
+#define LM3530_FS_CURR_5mA             (0) /* Full Scale Current */
+#define LM3530_FS_CURR_8mA             (1)
+#define LM3530_FS_CURR_12mA            (2)
+#define LM3530_FS_CURR_15mA            (3)
+#define LM3530_FS_CURR_19mA            (4)
+#define LM3530_FS_CURR_22mA            (5)
+#define LM3530_FS_CURR_26mA            (6)
+#define LM3530_FS_CURR_29mA            (7)
+
+#define LM3530_ALS_AVRG_TIME_32ms      (0) /* ALS Averaging Time */
+#define LM3530_ALS_AVRG_TIME_64ms      (1)
+#define LM3530_ALS_AVRG_TIME_128ms     (2)
+#define LM3530_ALS_AVRG_TIME_256ms     (3)
+#define LM3530_ALS_AVRG_TIME_512ms     (4)
+#define LM3530_ALS_AVRG_TIME_1024ms    (5)
+#define LM3530_ALS_AVRG_TIME_2048ms    (6)
+#define LM3530_ALS_AVRG_TIME_4096ms    (7)
+
+#define LM3530_RAMP_TIME_1ms           (0) /* Brigtness Ramp Time */
+#define LM3530_RAMP_TIME_130ms         (1) /* Max to 0 and vice versa */
+#define LM3530_RAMP_TIME_260ms         (2)
+#define LM3530_RAMP_TIME_520ms         (3)
+#define LM3530_RAMP_TIME_1s            (4)
+#define LM3530_RAMP_TIME_2s            (5)
+#define LM3530_RAMP_TIME_4s            (6)
+#define LM3530_RAMP_TIME_8s            (7)
+
+/* ALS Resistor Select */
+#define LM3530_ALS_IMPD_Z              (0x00) /* ALS Impedance */
+#define LM3530_ALS_IMPD_13_53kOhm      (0x01)
+#define LM3530_ALS_IMPD_9_01kOhm       (0x02)
+#define LM3530_ALS_IMPD_5_41kOhm       (0x03)
+#define LM3530_ALS_IMPD_2_27kOhm       (0x04)
+#define LM3530_ALS_IMPD_1_94kOhm       (0x05)
+#define LM3530_ALS_IMPD_1_81kOhm       (0x06)
+#define LM3530_ALS_IMPD_1_6kOhm                (0x07)
+#define LM3530_ALS_IMPD_1_138kOhm      (0x08)
+#define LM3530_ALS_IMPD_1_05kOhm       (0x09)
+#define LM3530_ALS_IMPD_1_011kOhm      (0x0A)
+#define LM3530_ALS_IMPD_941Ohm         (0x0B)
+#define LM3530_ALS_IMPD_759Ohm         (0x0C)
+#define LM3530_ALS_IMPD_719Ohm         (0x0D)
+#define LM3530_ALS_IMPD_700Ohm         (0x0E)
+#define LM3530_ALS_IMPD_667Ohm         (0x0F)
+
+enum lm3530_mode {
+       LM3530_BL_MODE_MANUAL = 0,      /* "man" */
+       LM3530_BL_MODE_ALS,             /* "als" */
+       LM3530_BL_MODE_PWM,             /* "pwm" */
+};
+
+/* ALS input select */
+enum lm3530_als_mode {
+       LM3530_INPUT_AVRG = 0,  /* ALS1 and ALS2 input average */
+       LM3530_INPUT_ALS1,      /* ALS1 Input */
+       LM3530_INPUT_ALS2,      /* ALS2 Input */
+       LM3530_INPUT_CEIL,      /* Max of ALS1 and ALS2 */
+};
+
+/* PWM Platform Specific Data */
+struct lm3530_pwm_data {
+       void (*pwm_set_intensity) (int brightness, int max_brightness);
+       int (*pwm_get_intensity) (int max_brightness);
+};
+
+/**
+ * struct lm3530_platform_data
+ * @mode: mode of operation i.e. Manual, ALS or PWM
+ * @als_input_mode: select source of ALS input - ALS1/2 or average
+ * @max_current: full scale LED current
+ * @pwm_pol_hi: PWM input polarity - active high/active low
+ * @als_avrg_time: ALS input averaging time
+ * @brt_ramp_law: brightness mapping mode - exponential/linear
+ * @brt_ramp_fall: rate of fall of led current
+ * @brt_ramp_rise: rate of rise of led current
+ * @als1_resistor_sel: internal resistance from ALS1 input to ground
+ * @als2_resistor_sel: internal resistance from ALS2 input to ground
+ * @als_vmin: als input voltage calibrated for max brightness in mV
+ * @als_vmax: als input voltage calibrated for min brightness in mV
+ * @brt_val: brightness value (0-127)
+ * @pwm_data: PWM control functions (only valid when the mode is PWM)
+ */
+struct lm3530_platform_data {
+       enum lm3530_mode mode;
+       enum lm3530_als_mode als_input_mode;
+
+       u8 max_current;
+       bool pwm_pol_hi;
+       u8 als_avrg_time;
+
+       bool brt_ramp_law;
+       u8 brt_ramp_fall;
+       u8 brt_ramp_rise;
+
+       u8 als1_resistor_sel;
+       u8 als2_resistor_sel;
+
+       u32 als_vmin;
+       u32 als_vmax;
+
+       u8 brt_val;
+
+       struct lm3530_pwm_data pwm_data;
+};
+
+#endif /* _LINUX_LED_LM3530_H__ */