X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Facpi%2Fprocessor.h;h=f9f987f8e661b9afef361919314363500c05b183;hb=a5b4860b973bb7a306562d8715ba8538a584537d;hp=9dd5b75961f84c19ba9a731eb071f15950577d75;hpb=ae3e0218621db0590163b2d5c424ef1f340e3cc6;p=linux-2.6

diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 9dd5b75961..f9f987f8e6 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -18,9 +18,11 @@
 
 #define ACPI_PDC_REVISION_ID		0x1
 
-#define ACPI_PSD_REV0_REVISION		0 /* Support for _PSD as in ACPI 3.0 */
+#define ACPI_PSD_REV0_REVISION		0	/* Support for _PSD as in ACPI 3.0 */
 #define ACPI_PSD_REV0_ENTRIES		5
 
+#define ACPI_TSD_REV0_REVISION		0	/* Support for _PSD as in ACPI 3.0 */
+#define ACPI_TSD_REV0_ENTRIES		5
 /*
  * Types of coordination defined in ACPI 3.0. Same macros can be used across
  * P, C and T states
@@ -29,6 +31,9 @@
 #define DOMAIN_COORD_TYPE_SW_ANY	0xfd
 #define DOMAIN_COORD_TYPE_HW_ALL	0xfe
 
+#define ACPI_CSTATE_SYSTEMIO	(0)
+#define ACPI_CSTATE_FFH		(1)
+
 /* Power Management */
 
 struct acpi_processor_cx;
@@ -58,6 +63,8 @@ struct acpi_processor_cx {
 	u8 valid;
 	u8 type;
 	u32 address;
+	u8 space_id;
+	u8 index;
 	u32 latency;
 	u32 latency_ticks;
 	u32 power;
@@ -74,6 +81,7 @@ struct acpi_processor_power {
 	u32 bm_activity;
 	int count;
 	struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
+	int timer_broadcast_on_state;
 };
 
 /* Performance Management */
@@ -119,17 +127,53 @@ struct acpi_processor_performance {
 
 /* Throttling Control */
 
+struct acpi_tsd_package {
+	acpi_integer num_entries;
+	acpi_integer revision;
+	acpi_integer domain;
+	acpi_integer coord_type;
+	acpi_integer num_processors;
+} __attribute__ ((packed));
+
+struct acpi_ptc_register {
+	u8 descriptor;
+	u16 length;
+	u8 space_id;
+	u8 bit_width;
+	u8 bit_offset;
+	u8 reserved;
+	u64 address;
+} __attribute__ ((packed));
+
+struct acpi_processor_tx_tss {
+	acpi_integer freqpercentage;	/* */
+	acpi_integer power;	/* milliWatts */
+	acpi_integer transition_latency;	/* microseconds */
+	acpi_integer control;	/* control value */
+	acpi_integer status;	/* success indicator */
+};
 struct acpi_processor_tx {
 	u16 power;
 	u16 performance;
 };
 
+struct acpi_processor;
 struct acpi_processor_throttling {
-	int state;
+	unsigned int state;
+	unsigned int platform_limit;
+	struct acpi_pct_register control_register;
+	struct acpi_pct_register status_register;
+	unsigned int state_count;
+	struct acpi_processor_tx_tss *states_tss;
+	struct acpi_tsd_package domain_info;
+	cpumask_t shared_cpu_map;
+	int (*acpi_processor_get_throttling) (struct acpi_processor * pr);
+	int (*acpi_processor_set_throttling) (struct acpi_processor * pr,
+					      int state);
+
 	u32 address;
 	u8 duty_offset;
 	u8 duty_width;
-	int state_count;
 	struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
 };
 
@@ -163,6 +207,9 @@ struct acpi_processor {
 	u32 id;
 	u32 pblk;
 	int performance_platform_limit;
+	int throttling_platform_limit;
+	/* 0 - states 0..n-th state available */
+
 	struct acpi_processor_flags flags;
 	struct acpi_processor_power power;
 	struct acpi_processor_performance *performance;
@@ -183,8 +230,9 @@ struct acpi_processor_errata {
 	} piix4;
 };
 
-extern int acpi_processor_preregister_performance(
-		struct acpi_processor_performance **performance);
+extern int acpi_processor_preregister_performance(struct
+						  acpi_processor_performance
+						  **performance);
 
 extern int acpi_processor_register_performance(struct acpi_processor_performance
 					       *performance, unsigned int cpu);
@@ -206,6 +254,10 @@ void arch_acpi_processor_init_pdc(struct acpi_processor *pr);
 #ifdef ARCH_HAS_POWER_INIT
 void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
 					unsigned int cpu);
+int acpi_processor_ffh_cstate_probe(unsigned int cpu,
+				    struct acpi_processor_cx *cx,
+				    struct acpi_power_register *reg);
+void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cstate);
 #else
 static inline void acpi_processor_power_init_bm_check(struct
 						      acpi_processor_flags
@@ -214,6 +266,18 @@ static inline void acpi_processor_power_init_bm_check(struct
 	flags->bm_check = 1;
 	return;
 }
+static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
+						  struct acpi_processor_cx *cx,
+						  struct acpi_power_register
+						  *reg)
+{
+	return -1;
+}
+static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx
+						   *cstate)
+{
+	return;
+}
 #endif
 
 /* in processor_perflib.c */
@@ -247,7 +311,7 @@ static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
 
 /* in processor_throttling.c */
 int acpi_processor_get_throttling_info(struct acpi_processor *pr);
-int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
+extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
 extern struct file_operations acpi_processor_throttling_fops;
 
 /* in processor_idle.c */