98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
|
#ifndef _MSM_THERMAL_IOCTL_H
|
||
|
|
#define _MSM_THERMAL_IOCTL_H
|
||
|
|
|
||
|
|
#include <linux/ioctl.h>
|
||
|
|
|
||
|
|
#define MSM_THERMAL_IOCTL_NAME "msm_thermal_query"
|
||
|
|
#define MSM_IOCTL_FREQ_SIZE 16
|
||
|
|
|
||
|
|
struct __attribute__((__packed__)) cpu_freq_arg {
|
||
|
|
uint32_t cpu_num;
|
||
|
|
uint32_t freq_req;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct __attribute__((__packed__)) clock_plan_arg {
|
||
|
|
uint32_t cluster_num;
|
||
|
|
/*
|
||
|
|
** A value of zero for freq_table_len, will fetch the length of the
|
||
|
|
** cluster frequency table. A non-zero value will fetch the frequency
|
||
|
|
** table contents.
|
||
|
|
*/
|
||
|
|
uint32_t freq_table_len;
|
||
|
|
/*
|
||
|
|
** For clusters with frequency table length greater than
|
||
|
|
** MSM_IOCTL_FREQ_SIZE, the frequency table is fetched from kernel
|
||
|
|
** in multiple sets or iterations. The set_idx variable,
|
||
|
|
** indicates, which set/part of frequency table the user is requesting.
|
||
|
|
** The set index value starts from zero. A set index value of 'Z',
|
||
|
|
** will fetch MSM_IOCTL_FREQ_SIZE or maximum available number of
|
||
|
|
** frequency values (if it is less than MSM_IOCTL_FREQ_SIZE)
|
||
|
|
** from the frequency table, starting from the index
|
||
|
|
** (Z * MSM_IOCTL_FREQ_SIZE).
|
||
|
|
** For example, in a device supporting 19 different frequencies, a set
|
||
|
|
** index value of 0 will fetch the first 16 (MSM_IOCTL_FREQ_SIZE)
|
||
|
|
** frequencies starting from the index 0 and a set value of 1 will fetch
|
||
|
|
** the remaining 3 frequencies starting from the index 16.
|
||
|
|
** A successful get, will populate the freq_table_len with the
|
||
|
|
** number of frequency table entries fetched.
|
||
|
|
*/
|
||
|
|
uint32_t set_idx;
|
||
|
|
unsigned int freq_table[MSM_IOCTL_FREQ_SIZE];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct __attribute__((__packed__)) voltage_plan_arg {
|
||
|
|
uint32_t cluster_num;
|
||
|
|
uint32_t voltage_table_len;
|
||
|
|
uint32_t set_idx;
|
||
|
|
uint32_t voltage_table[MSM_IOCTL_FREQ_SIZE];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct __attribute__((__packed__)) msm_thermal_ioctl {
|
||
|
|
uint32_t size;
|
||
|
|
union {
|
||
|
|
struct cpu_freq_arg cpu_freq;
|
||
|
|
struct clock_plan_arg clock_freq;
|
||
|
|
struct voltage_plan_arg voltage;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
enum {
|
||
|
|
/*Set CPU Frequency*/
|
||
|
|
MSM_SET_CPU_MAX_FREQ = 0x00,
|
||
|
|
MSM_SET_CPU_MIN_FREQ = 0x01,
|
||
|
|
/*Set cluster frequency*/
|
||
|
|
MSM_SET_CLUSTER_MAX_FREQ = 0x02,
|
||
|
|
MSM_SET_CLUSTER_MIN_FREQ = 0x03,
|
||
|
|
/*Get cluster frequency plan*/
|
||
|
|
MSM_GET_CLUSTER_FREQ_PLAN = 0x04,
|
||
|
|
/*Get cluster voltage plan */
|
||
|
|
MSM_GET_CLUSTER_VOLTAGE_PLAN = 0x05,
|
||
|
|
MSM_CMD_MAX_NR,
|
||
|
|
};
|
||
|
|
|
||
|
|
#define MSM_THERMAL_MAGIC_NUM 0xCA /*Unique magic number*/
|
||
|
|
|
||
|
|
#define MSM_THERMAL_SET_CPU_MAX_FREQUENCY _IOW(MSM_THERMAL_MAGIC_NUM,\
|
||
|
|
MSM_SET_CPU_MAX_FREQ, struct msm_thermal_ioctl)
|
||
|
|
|
||
|
|
#define MSM_THERMAL_SET_CPU_MIN_FREQUENCY _IOW(MSM_THERMAL_MAGIC_NUM,\
|
||
|
|
MSM_SET_CPU_MIN_FREQ, struct msm_thermal_ioctl)
|
||
|
|
|
||
|
|
#define MSM_THERMAL_SET_CLUSTER_MAX_FREQUENCY _IOW(MSM_THERMAL_MAGIC_NUM,\
|
||
|
|
MSM_SET_CLUSTER_MAX_FREQ, struct msm_thermal_ioctl)
|
||
|
|
|
||
|
|
#define MSM_THERMAL_SET_CLUSTER_MIN_FREQUENCY _IOW(MSM_THERMAL_MAGIC_NUM,\
|
||
|
|
MSM_SET_CLUSTER_MIN_FREQ, struct msm_thermal_ioctl)
|
||
|
|
|
||
|
|
#define MSM_THERMAL_GET_CLUSTER_FREQUENCY_PLAN _IOR(MSM_THERMAL_MAGIC_NUM,\
|
||
|
|
MSM_GET_CLUSTER_FREQ_PLAN, struct msm_thermal_ioctl)
|
||
|
|
|
||
|
|
#define MSM_THERMAL_GET_CLUSTER_VOLTAGE_PLAN _IOR(MSM_THERMAL_MAGIC_NUM,\
|
||
|
|
MSM_GET_CLUSTER_VOLTAGE_PLAN, struct msm_thermal_ioctl)
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
extern int msm_thermal_ioctl_init(void);
|
||
|
|
extern void msm_thermal_ioctl_cleanup(void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|