drivers/gpu/drm/nouveau/nouveau_pm.h

   1 /*
   2  * Copyright 2010 Red Hat Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Ben Skeggs
  23  */
  24
  25 #ifndef __NOUVEAU_PM_H__
  26 #define __NOUVEAU_PM_H__
  27
  28 #include <subdev/bios/pll.h>
  29 #include <subdev/clock.h>
  30
  31 struct nouveau_pm_voltage_level {
  32         u32 voltage; /* microvolts */
  33         u8  vid;
  34 };
  35
  36 struct nouveau_pm_voltage {
  37         bool supported;
  38         u8 version;
  39         u8 vid_mask;
  40
  41         struct nouveau_pm_voltage_level *level;
  42         int nr_level;
  43 };
  44
  45 /* Exclusive upper limits */
  46 #define NV_MEM_CL_DDR2_MAX 8
  47 #define NV_MEM_WR_DDR2_MAX 9
  48 #define NV_MEM_CL_DDR3_MAX 17
  49 #define NV_MEM_WR_DDR3_MAX 17
  50 #define NV_MEM_CL_GDDR3_MAX 16
  51 #define NV_MEM_WR_GDDR3_MAX 18
  52 #define NV_MEM_CL_GDDR5_MAX 21
  53 #define NV_MEM_WR_GDDR5_MAX 20
  54
  55 struct nouveau_pm_memtiming {
  56         int id;
  57
  58         u32 reg[9];
  59         u32 mr[4];
  60
  61         u8 tCWL;
  62
  63         u8 odt;
  64         u8 drive_strength;
  65 };
  66
  67 struct nouveau_pm_tbl_header {
  68         u8 version;
  69         u8 header_len;
  70         u8 entry_cnt;
  71         u8 entry_len;
  72 };
  73
  74 struct nouveau_pm_tbl_entry {
  75         u8 tWR;
  76         u8 tWTR;
  77         u8 tCL;
  78         u8 tRC;
  79         u8 empty_4;
  80         u8 tRFC;        /* Byte 5 */
  81         u8 empty_6;
  82         u8 tRAS;        /* Byte 7 */
  83         u8 empty_8;
  84         u8 tRP;         /* Byte 9 */
  85         u8 tRCDRD;
  86         u8 tRCDWR;
  87         u8 tRRD;
  88         u8 tUNK_13;
  89         u8 RAM_FT1;             /* 14, a bitmask of random RAM features */
  90         u8 empty_15;
  91         u8 tUNK_16;
  92         u8 empty_17;
  93         u8 tUNK_18;
  94         u8 tCWL;
  95         u8 tUNK_20, tUNK_21;
  96 };
  97
  98 struct nouveau_pm_profile;
  99 struct nouveau_pm_profile_func {
 100         void (*destroy)(struct nouveau_pm_profile *);
 101         void (*init)(struct nouveau_pm_profile *);
 102         void (*fini)(struct nouveau_pm_profile *);
 103         struct nouveau_pm_level *(*select)(struct nouveau_pm_profile *);
 104 };
 105
 106 struct nouveau_pm_profile {
 107         const struct nouveau_pm_profile_func *func;
 108         struct list_head head;
 109         char name[8];
 110 };
 111
 112 #define NOUVEAU_PM_MAX_LEVEL 8
 113 struct nouveau_pm_level {
 114         struct nouveau_pm_profile profile;
 115         struct device_attribute dev_attr;
 116         char name[32];
 117         int id;
 118
 119         struct nouveau_pm_memtiming timing;
 120         u32 memory;
 121         u16 memscript;
 122
 123         u32 core;
 124         u32 shader;
 125         u32 rop;
 126         u32 copy;
 127         u32 daemon;
 128         u32 vdec;
 129         u32 dom6;
 130         u32 unka0;      /* nva3:nvc0 */
 131         u32 hub01;      /* nvc0- */
 132         u32 hub06;      /* nvc0- */
 133         u32 hub07;      /* nvc0- */
 134
 135         u32 volt_min; /* microvolts */
 136         u32 volt_max;
 137         u8  fanspeed;
 138 };
 139
 140 struct nouveau_pm_temp_sensor_constants {
 141         u16 offset_constant;
 142         s16 offset_mult;
 143         s16 offset_div;
 144         s16 slope_mult;
 145         s16 slope_div;
 146 };
 147
 148 struct nouveau_pm_threshold_temp {
 149         s16 critical;
 150         s16 down_clock;
 151 };
 152
 153 struct nouveau_pm {
 154         struct drm_device *dev;
 155
 156         struct nouveau_pm_voltage voltage;
 157         struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
 158         int nr_perflvl;
 159         struct nouveau_pm_temp_sensor_constants sensor_constants;
 160         struct nouveau_pm_threshold_temp threshold_temp;
 161
 162         struct nouveau_pm_profile *profile_ac;
 163         struct nouveau_pm_profile *profile_dc;
 164         struct nouveau_pm_profile *profile;
 165         struct list_head profiles;
 166
 167         struct nouveau_pm_level boot;
 168         struct nouveau_pm_level *cur;
 169
 170         struct device *hwmon;
 171         struct notifier_block acpi_nb;
 172
 173         int  (*clocks_get)(struct drm_device *, struct nouveau_pm_level *);
 174         void *(*clocks_pre)(struct drm_device *, struct nouveau_pm_level *);
 175         int (*clocks_set)(struct drm_device *, void *);
 176
 177         int (*voltage_get)(struct drm_device *);
 178         int (*voltage_set)(struct drm_device *, int voltage);
 179 };
 180
 181 static inline struct nouveau_pm *
 182 nouveau_pm(struct drm_device *dev)
 183 {
 184         return nouveau_drm(dev)->pm;
 185 }
 186
 187 struct nouveau_mem_exec_func {
 188         struct drm_device *dev;
 189         void (*precharge)(struct nouveau_mem_exec_func *);
 190         void (*refresh)(struct nouveau_mem_exec_func *);
 191         void (*refresh_auto)(struct nouveau_mem_exec_func *, bool);
 192         void (*refresh_self)(struct nouveau_mem_exec_func *, bool);
 193         void (*wait)(struct nouveau_mem_exec_func *, u32 nsec);
 194         u32  (*mrg)(struct nouveau_mem_exec_func *, int mr);
 195         void (*mrs)(struct nouveau_mem_exec_func *, int mr, u32 data);
 196         void (*clock_set)(struct nouveau_mem_exec_func *);
 197         void (*timing_set)(struct nouveau_mem_exec_func *);
 198         void *priv;
 199 };
 200
 201 /* nouveau_mem.c */
 202 int  nouveau_mem_exec(struct nouveau_mem_exec_func *,
 203                       struct nouveau_pm_level *);
 204
 205 /* nouveau_pm.c */
 206 int  nouveau_pm_init(struct drm_device *dev);
 207 void nouveau_pm_fini(struct drm_device *dev);
 208 void nouveau_pm_resume(struct drm_device *dev);
 209 extern const struct nouveau_pm_profile_func nouveau_pm_static_profile_func;
 210 void nouveau_pm_trigger(struct drm_device *dev);
 211
 212 /* nouveau_volt.c */
 213 void nouveau_volt_init(struct drm_device *);
 214 void nouveau_volt_fini(struct drm_device *);
 215 int  nouveau_volt_vid_lookup(struct drm_device *, int voltage);
 216 int  nouveau_volt_lvl_lookup(struct drm_device *, int vid);
 217 int  nouveau_voltage_gpio_get(struct drm_device *);
 218 int  nouveau_voltage_gpio_set(struct drm_device *, int voltage);
 219
 220 /* nouveau_perf.c */
 221 void nouveau_perf_init(struct drm_device *);
 222 void nouveau_perf_fini(struct drm_device *);
 223 u8 *nouveau_perf_rammap(struct drm_device *, u32 freq, u8 *ver,
 224                         u8 *hdr, u8 *cnt, u8 *len);
 225 u8 *nouveau_perf_ramcfg(struct drm_device *, u32 freq, u8 *ver, u8 *len);
 226 u8 *nouveau_perf_timing(struct drm_device *, u32 freq, u8 *ver, u8 *len);
 227
 228 /* nouveau_mem.c */
 229 void nouveau_mem_timing_init(struct drm_device *);
 230 void nouveau_mem_timing_fini(struct drm_device *);
 231
 232 /* nv04_pm.c */
 233 int nv04_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
 234 void *nv04_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
 235 int nv04_pm_clocks_set(struct drm_device *, void *);
 236
 237 /* nv40_pm.c */
 238 int nv40_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
 239 void *nv40_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
 240 int nv40_pm_clocks_set(struct drm_device *, void *);
 241 int nv40_pm_pwm_get(struct drm_device *, int, u32 *, u32 *);
 242 int nv40_pm_pwm_set(struct drm_device *, int, u32, u32);
 243
 244 /* nv50_pm.c */
 245 int nv50_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
 246 void *nv50_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
 247 int nv50_pm_clocks_set(struct drm_device *, void *);
 248 int nv50_pm_pwm_get(struct drm_device *, int, u32 *, u32 *);
 249 int nv50_pm_pwm_set(struct drm_device *, int, u32, u32);
 250
 251 /* nva3_pm.c */
 252 int nva3_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
 253 void *nva3_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
 254 int nva3_pm_clocks_set(struct drm_device *, void *);
 255
 256 /* nvc0_pm.c */
 257 int nvc0_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
 258 void *nvc0_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
 259 int nvc0_pm_clocks_set(struct drm_device *, void *);
 260
 261 /* nouveau_mem.c */
 262 int  nouveau_mem_timing_calc(struct drm_device *, u32 freq,
 263                              struct nouveau_pm_memtiming *);
 264 void nouveau_mem_timing_read(struct drm_device *,
 265                              struct nouveau_pm_memtiming *);
 266
 267 static inline int
 268 nva3_calc_pll(struct drm_device *dev, struct nvbios_pll *pll, u32 freq,
 269               int *N, int *fN, int *M, int *P)
 270 {
 271         struct nouveau_device *device = nouveau_dev(dev);
 272         struct nouveau_clock *clk = nouveau_clock(device);
 273         struct nouveau_pll_vals pv;
 274         int ret;
 275
 276         ret = clk->pll_calc(clk, pll, freq, &pv);
 277         *N = pv.N1;
 278         *M = pv.M1;
 279         *P = pv.log2P;
 280         return ret;
 281 }
 282
 283 #endif