fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / i386 / kernel / cpu / cpufreq / powernow-k8.h

diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
index d0de37d..0fb2a30 100644 (file)
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
@@ -1,5 +1,5 @@
 /*
- *  (c) 2003, 2004, 2005 Advanced Micro Devices, Inc.
+ *  (c) 2003-2006 Advanced Micro Devices, Inc.
  *  Your use of this code is subject to the terms and conditions of the
  *  GNU general public license version 2. See "COPYING" or
  *  http://www.gnu.org/licenses/gpl.html
@@ -21,8 +21,8 @@ struct powernow_k8_data {
        u32 plllock; /* pll lock time, units 1 us */
         u32 exttype; /* extended interface = 1 */
 
-       /* keep track of the current fid / vid */
-       u32 currvid, currfid;
+       /* keep track of the current fid / vid or did */
+       u32 currvid, currfid, currdid;
 
        /* the powernow_table includes all frequency and vid/fid pairings:
         * fid are the lower 8 bits of the index, vid are the upper 8 bits.
@@ -34,6 +34,10 @@ struct powernow_k8_data {
         * used to determine valid frequency/vid/fid states */
        struct acpi_processor_performance acpi_data;
 #endif
+       /* we need to keep track of associated cores, but let cpufreq
+        * handle hotplug events - so just point at cpufreq pol->cpus
+        * structure */
+       cpumask_t *available_cores;
 };
 
 
@@ -43,6 +47,7 @@ struct powernow_k8_data {
 #define CPUID_XFAM_K8                  0
 #define CPUID_XMOD                     0x000f0000      /* extended model */
 #define CPUID_XMOD_REV_G               0x00060000
+#define CPUID_XFAM_10H                         0x00100000      /* family 0x10 */
 #define CPUID_USE_XFAM_XMOD            0x00000f00
 #define CPUID_GET_MAX_CAPABILITIES     0x80000000
 #define CPUID_FREQ_VOLT_CAPABILITIES   0x80000007
@@ -63,7 +68,7 @@ struct powernow_k8_data {
 #define MSR_C_LO_VID_SHIFT        8
 
 /* Field definitions within the FID VID High Control MSR : */
-#define MSR_C_HI_STP_GNT_TO      0x000fffff
+#define MSR_C_HI_STP_GNT_TO      0x000fffff
 
 /* Field definitions within the FID VID Low Status MSR : */
 #define MSR_S_LO_CHANGE_PENDING   0x80000000   /* cleared when completed */
@@ -79,6 +84,32 @@ struct powernow_k8_data {
 #define MSR_S_HI_CURRENT_VID      0x0000003f
 #define MSR_C_HI_STP_GNT_BENIGN          0x00000001
 
+
+/* Hardware Pstate _PSS and MSR definitions */
+#define USE_HW_PSTATE          0x00000080
+#define HW_PSTATE_FID_MASK     0x0000003f
+#define HW_PSTATE_DID_MASK     0x000001c0
+#define HW_PSTATE_DID_SHIFT    6
+#define HW_PSTATE_MASK                 0x00000007
+#define HW_PSTATE_VALID_MASK   0x80000000
+#define HW_FID_INDEX_SHIFT     8
+#define HW_FID_INDEX_MASK      0x0000ff00
+#define HW_DID_INDEX_SHIFT     16
+#define HW_DID_INDEX_MASK      0x00ff0000
+#define HW_WATTS_MASK          0xff
+#define HW_PWR_DVR_MASK                0x300
+#define HW_PWR_DVR_SHIFT       8
+#define HW_PWR_MAX_MULT                3
+#define MAX_HW_PSTATE          8       /* hw pstate supports up to 8 */
+#define MSR_PSTATE_DEF_BASE    0xc0010064 /* base of Pstate MSRs */
+#define MSR_PSTATE_STATUS      0xc0010063 /* Pstate Status MSR */
+#define MSR_PSTATE_CTRL        0xc0010062 /* Pstate control MSR */
+
+/* define the two driver architectures */
+#define CPU_OPTERON 0
+#define CPU_HW_PSTATE 1
+
+
 /*
  * There are restrictions frequencies have to follow:
  * - only 1 entry in the low fid table ( <=1.4GHz )
@@ -123,7 +154,7 @@ struct powernow_k8_data {
  * Most values of interest are enocoded in a single field of the _PSS
  * entries: the "control" value.
  */
-                                                                                                    
+
 #define IRT_SHIFT      30
 #define RVO_SHIFT      28
 #define EXT_TYPE_SHIFT 27
@@ -138,7 +169,9 @@ struct powernow_k8_data {
 #define MVS_MASK        3
 #define VST_MASK     0x7f
 #define VID_MASK     0x1f
-#define FID_MASK     0x3f
+#define FID_MASK     0x1f
+#define EXT_VID_MASK 0x3f
+#define EXT_FID_MASK 0x3f
 
 
 /*
@@ -182,10 +215,9 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid);
 
 static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index);
 
-#ifndef for_each_cpu_mask
-#define for_each_cpu_mask(i,mask) for (i=0;i<1;i++)
-#endif
-                                                                                
+static int fill_powernow_table_pstate(struct powernow_k8_data *data, struct cpufreq_frequency_table *powernow_table);
+static int fill_powernow_table_fidvid(struct powernow_k8_data *data, struct cpufreq_frequency_table *powernow_table);
+
 #ifdef CONFIG_SMP
 static inline void define_siblings(int cpu, cpumask_t cpu_sharedcore_mask[])
 {