soc: qcom: Snapshot of thermal/LMH drivers

This snapshot is taken as of msm-3.18 commit e70ad0c (Promotion of
kernel.lnx.3.18-151201.)

Include necessary thermal_core changes to convert long to int inline with
upstream kernel changes.

Change-Id: I642b666518fe72385794b743989a0f5e5120ec03

Conflicts:
	drivers/thermal/Makefile

1 files changed, 92 insertions, 0 deletions

diff --git a/include/uapi/linux/msm_thermal_ioctl.h b/include/uapi/linux/msm_thermal_ioctl.h
new file mode 100644
index 000000000000..18caab69ca1e
--- /dev/null
+++ b/include/uapi/linux/msm_thermal_ioctl.h
@@ -0,0 +1,92 @@
+#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)
+#endif