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+/*
+ * tmon.h contains data structures and constants used by TMON
+ *
+ * Copyright (C) 2012 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 or later 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.
+ *
+ * Author Name Jacob Pan <jacob.jun.pan@linux.intel.com>
+ *
+ */
+
+#ifndef TMON_H
+#define TMON_H
+
+#define MAX_DISP_TEMP 125
+#define MAX_CTRL_TEMP 105
+#define MIN_CTRL_TEMP 40
+#define MAX_NR_TZONE 16
+#define MAX_NR_CDEV 32
+#define MAX_NR_TRIP 16
+#define MAX_NR_CDEV_TRIP 12 /* number of cooling devices that can bind
+ * to a thermal zone trip.
+ */
+#define MAX_TEMP_KC 140000
+/* starting char position to draw sensor data, such as tz names
+ * trip point list, etc.
+ */
+#define DATA_LEFT_ALIGN 10
+#define NR_LINES_TZDATA 1
+#define TMON_LOG_FILE "/var/tmp/tmon.log"
+
+extern unsigned long ticktime;
+extern double time_elapsed;
+extern unsigned long target_temp_user;
+extern int dialogue_on;
+extern char ctrl_cdev[];
+extern pthread_mutex_t input_lock;
+extern int tmon_exit;
+extern int target_thermal_zone;
+/* use fixed size record to simplify data processing and transfer
+ * TBD: more info to be added, e.g. programmable trip point data.
+*/
+struct thermal_data_record {
+ struct timeval tv;
+ unsigned long temp[MAX_NR_TZONE];
+ double pid_out_pct;
+};
+
+struct cdev_info {
+ char type[64];
+ int instance;
+ unsigned long max_state;
+ unsigned long cur_state;
+ unsigned long flag;
+};
+
+enum trip_type {
+ THERMAL_TRIP_CRITICAL,
+ THERMAL_TRIP_HOT,
+ THERMAL_TRIP_PASSIVE,
+ THERMAL_TRIP_ACTIVE,
+ NR_THERMAL_TRIP_TYPE,
+};
+
+struct trip_point {
+ enum trip_type type;
+ unsigned long temp;
+ unsigned long hysteresis;
+ int attribute; /* programmability etc. */
+};
+
+/* thermal zone configuration information, binding with cooling devices could
+ * change at runtime.
+ */
+struct tz_info {
+ char type[256]; /* e.g. acpitz */
+ int instance;
+ int passive; /* active zone has passive node to force passive mode */
+ int nr_cdev; /* number of cooling device binded */
+ int nr_trip_pts;
+ struct trip_point tp[MAX_NR_TRIP];
+ unsigned long cdev_binding; /* bitmap for attached cdevs */
+ /* cdev bind trip points, allow one cdev bind to multiple trips */
+ unsigned long trip_binding[MAX_NR_CDEV];
+};
+
+struct tmon_platform_data {
+ int nr_tz_sensor;
+ int nr_cooling_dev;
+ /* keep track of instance ids since there might be gaps */
+ int max_tz_instance;
+ int max_cdev_instance;
+ struct tz_info *tzi;
+ struct cdev_info *cdi;
+};
+
+struct control_ops {
+ void (*set_ratio)(unsigned long ratio);
+ unsigned long (*get_ratio)(unsigned long ratio);
+
+};
+
+enum cdev_types {
+ CDEV_TYPE_PROC,
+ CDEV_TYPE_FAN,
+ CDEV_TYPE_MEM,
+ CDEV_TYPE_NR,
+};
+
+/* REVISIT: the idea is to group sensors if possible, e.g. on intel mid
+ * we have "skin0", "skin1", "sys", "msicdie"
+ * on DPTF enabled systems, we might have PCH, TSKN, TAMB, etc.
+ */
+enum tzone_types {
+ TZONE_TYPE_ACPI,
+ TZONE_TYPE_PCH,
+ TZONE_TYPE_NR,
+};
+
+/* limit the output of PID controller adjustment */
+#define LIMIT_HIGH (95)
+#define LIMIT_LOW (2)
+
+struct pid_params {
+ double kp; /* Controller gain from Dialog Box */
+ double ki; /* Time-constant for I action from Dialog Box */
+ double kd; /* Time-constant for D action from Dialog Box */
+ double ts;
+ double k_lpf;
+
+ double t_target;
+ double y_k;
+};
+
+extern int init_thermal_controller(void);
+extern void controller_handler(const double xk, double *yk);
+
+extern struct tmon_platform_data ptdata;
+extern struct pid_params p_param;
+
+extern FILE *tmon_log;
+extern int cur_thermal_record; /* index to the trec array */
+extern struct thermal_data_record trec[];
+extern const char *trip_type_name[];
+extern unsigned long no_control;
+
+extern void initialize_curses(void);
+extern void show_controller_stats(char *line);
+extern void show_title_bar(void);
+extern void setup_windows(void);
+extern void disable_tui(void);
+extern void show_sensors_w(void);
+extern void show_data_w(void);
+extern void write_status_bar(int x, char *line);
+extern void show_control_w();
+
+extern void show_cooling_device(void);
+extern void show_dialogue(void);
+extern int update_thermal_data(void);
+
+extern int probe_thermal_sysfs(void);
+extern void free_thermal_data(void);
+extern void resize_handler(int sig);
+extern void set_ctrl_state(unsigned long state);
+extern void get_ctrl_state(unsigned long *state);
+extern void *handle_tui_events(void *arg);
+extern int sysfs_set_ulong(char *path, char *filename, unsigned long val);
+extern int zone_instance_to_index(int zone_inst);
+extern void close_windows(void);
+
+#define PT_COLOR_DEFAULT 1
+#define PT_COLOR_HEADER_BAR 2
+#define PT_COLOR_ERROR 3
+#define PT_COLOR_RED 4
+#define PT_COLOR_YELLOW 5
+#define PT_COLOR_GREEN 6
+#define PT_COLOR_BRIGHT 7
+#define PT_COLOR_BLUE 8
+
+/* each thermal zone uses 12 chars, 8 for name, 2 for instance, 2 space
+ * also used to list trip points in forms of AAAC, which represents
+ * A: Active
+ * C: Critical
+ */
+#define TZONE_RECORD_SIZE 12
+#define TZ_LEFT_ALIGN 32
+#define CDEV_NAME_SIZE 20
+#define CDEV_FLAG_IN_CONTROL (1 << 0)
+
+/* dialogue box starts */
+#define DIAG_X 48
+#define DIAG_Y 8
+#define THERMAL_SYSFS "/sys/class/thermal"
+#define CDEV "cooling_device"
+#define TZONE "thermal_zone"
+#define TDATA_LEFT 16
+#endif /* TMON_H */

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