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path: root/drivers/gpu/drm/nouveau/nouveau_pm.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_pm.h')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_pm.h194
1 files changed, 194 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.h b/drivers/gpu/drm/nouveau/nouveau_pm.h
index 07cac72c72b4..e2ec9c0ed567 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.h
@@ -25,6 +25,178 @@
#ifndef __NOUVEAU_PM_H__
#define __NOUVEAU_PM_H__
+#include <subdev/bios/pll.h>
+#include <subdev/clock.h>
+
+struct nouveau_pm_voltage_level {
+ u32 voltage; /* microvolts */
+ u8 vid;
+};
+
+struct nouveau_pm_voltage {
+ bool supported;
+ u8 version;
+ u8 vid_mask;
+
+ struct nouveau_pm_voltage_level *level;
+ int nr_level;
+};
+
+/* Exclusive upper limits */
+#define NV_MEM_CL_DDR2_MAX 8
+#define NV_MEM_WR_DDR2_MAX 9
+#define NV_MEM_CL_DDR3_MAX 17
+#define NV_MEM_WR_DDR3_MAX 17
+#define NV_MEM_CL_GDDR3_MAX 16
+#define NV_MEM_WR_GDDR3_MAX 18
+#define NV_MEM_CL_GDDR5_MAX 21
+#define NV_MEM_WR_GDDR5_MAX 20
+
+struct nouveau_pm_memtiming {
+ int id;
+
+ u32 reg[9];
+ u32 mr[4];
+
+ u8 tCWL;
+
+ u8 odt;
+ u8 drive_strength;
+};
+
+struct nouveau_pm_tbl_header {
+ u8 version;
+ u8 header_len;
+ u8 entry_cnt;
+ u8 entry_len;
+};
+
+struct nouveau_pm_tbl_entry {
+ u8 tWR;
+ u8 tWTR;
+ u8 tCL;
+ u8 tRC;
+ u8 empty_4;
+ u8 tRFC; /* Byte 5 */
+ u8 empty_6;
+ u8 tRAS; /* Byte 7 */
+ u8 empty_8;
+ u8 tRP; /* Byte 9 */
+ u8 tRCDRD;
+ u8 tRCDWR;
+ u8 tRRD;
+ u8 tUNK_13;
+ u8 RAM_FT1; /* 14, a bitmask of random RAM features */
+ u8 empty_15;
+ u8 tUNK_16;
+ u8 empty_17;
+ u8 tUNK_18;
+ u8 tCWL;
+ u8 tUNK_20, tUNK_21;
+};
+
+struct nouveau_pm_profile;
+struct nouveau_pm_profile_func {
+ void (*destroy)(struct nouveau_pm_profile *);
+ void (*init)(struct nouveau_pm_profile *);
+ void (*fini)(struct nouveau_pm_profile *);
+ struct nouveau_pm_level *(*select)(struct nouveau_pm_profile *);
+};
+
+struct nouveau_pm_profile {
+ const struct nouveau_pm_profile_func *func;
+ struct list_head head;
+ char name[8];
+};
+
+#define NOUVEAU_PM_MAX_LEVEL 8
+struct nouveau_pm_level {
+ struct nouveau_pm_profile profile;
+ struct device_attribute dev_attr;
+ char name[32];
+ int id;
+
+ struct nouveau_pm_memtiming timing;
+ u32 memory;
+ u16 memscript;
+
+ u32 core;
+ u32 shader;
+ u32 rop;
+ u32 copy;
+ u32 daemon;
+ u32 vdec;
+ u32 dom6;
+ u32 unka0; /* nva3:nvc0 */
+ u32 hub01; /* nvc0- */
+ u32 hub06; /* nvc0- */
+ u32 hub07; /* nvc0- */
+
+ u32 volt_min; /* microvolts */
+ u32 volt_max;
+ u8 fanspeed;
+};
+
+struct nouveau_pm_temp_sensor_constants {
+ u16 offset_constant;
+ s16 offset_mult;
+ s16 offset_div;
+ s16 slope_mult;
+ s16 slope_div;
+};
+
+struct nouveau_pm_threshold_temp {
+ s16 critical;
+ s16 down_clock;
+ s16 fan_boost;
+};
+
+struct nouveau_pm_fan {
+ u32 percent;
+ u32 min_duty;
+ u32 max_duty;
+ u32 pwm_freq;
+ u32 pwm_divisor;
+};
+
+struct nouveau_pm {
+ struct drm_device *dev;
+
+ struct nouveau_pm_voltage voltage;
+ struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
+ int nr_perflvl;
+ struct nouveau_pm_temp_sensor_constants sensor_constants;
+ struct nouveau_pm_threshold_temp threshold_temp;
+ struct nouveau_pm_fan fan;
+
+ struct nouveau_pm_profile *profile_ac;
+ struct nouveau_pm_profile *profile_dc;
+ struct nouveau_pm_profile *profile;
+ struct list_head profiles;
+
+ struct nouveau_pm_level boot;
+ struct nouveau_pm_level *cur;
+
+ struct device *hwmon;
+ struct notifier_block acpi_nb;
+
+ int (*clocks_get)(struct drm_device *, struct nouveau_pm_level *);
+ void *(*clocks_pre)(struct drm_device *, struct nouveau_pm_level *);
+ int (*clocks_set)(struct drm_device *, void *);
+
+ int (*voltage_get)(struct drm_device *);
+ int (*voltage_set)(struct drm_device *, int voltage);
+ int (*pwm_get)(struct drm_device *, int line, u32*, u32*);
+ int (*pwm_set)(struct drm_device *, int line, u32, u32);
+ int (*temp_get)(struct drm_device *);
+};
+
+static inline struct nouveau_pm *
+nouveau_pm(struct drm_device *dev)
+{
+ return nouveau_drm(dev)->pm;
+}
+
struct nouveau_mem_exec_func {
struct drm_device *dev;
void (*precharge)(struct nouveau_mem_exec_func *);
@@ -106,4 +278,26 @@ void nouveau_temp_safety_checks(struct drm_device *dev);
int nv40_temp_get(struct drm_device *dev);
int nv84_temp_get(struct drm_device *dev);
+/* nouveau_mem.c */
+int nouveau_mem_timing_calc(struct drm_device *, u32 freq,
+ struct nouveau_pm_memtiming *);
+void nouveau_mem_timing_read(struct drm_device *,
+ struct nouveau_pm_memtiming *);
+
+static inline int
+nva3_calc_pll(struct drm_device *dev, struct nvbios_pll *pll, u32 freq,
+ int *N, int *fN, int *M, int *P)
+{
+ struct nouveau_device *device = nouveau_dev(dev);
+ struct nouveau_clock *clk = nouveau_clock(device);
+ struct nouveau_pll_vals pv;
+ int ret;
+
+ ret = clk->pll_calc(clk, pll, freq, &pv);
+ *N = pv.N1;
+ *M = pv.M1;
+ *P = pv.log2P;
+ return ret;
+}
+
#endif