drivers/gpu/drm/nouveau/core/include/subdev/clock.h

   1 #ifndef __NOUVEAU_CLOCK_H__
   2 #define __NOUVEAU_CLOCK_H__
   3
   4 #include <core/device.h>
   5 #include <core/subdev.h>
   6
   7 struct nouveau_pll_vals;
   8 struct nvbios_pll;
   9
  10 enum nv_clk_src {
  11         nv_clk_src_crystal,
  12         nv_clk_src_href,
  13
  14         nv_clk_src_hclk,
  15         nv_clk_src_hclkm3,
  16         nv_clk_src_hclkm3d2,
  17
  18         nv_clk_src_host,
  19
  20         nv_clk_src_sppll0,
  21         nv_clk_src_sppll1,
  22
  23         nv_clk_src_mpllsrcref,
  24         nv_clk_src_mpllsrc,
  25         nv_clk_src_mpll,
  26         nv_clk_src_mdiv,
  27
  28         nv_clk_src_core,
  29         nv_clk_src_shader,
  30
  31         nv_clk_src_mem,
  32
  33         nv_clk_src_gpc,
  34         nv_clk_src_rop,
  35         nv_clk_src_hubk01,
  36         nv_clk_src_hubk06,
  37         nv_clk_src_hubk07,
  38         nv_clk_src_copy,
  39         nv_clk_src_daemon,
  40         nv_clk_src_disp,
  41         nv_clk_src_vdec,
  42
  43         nv_clk_src_dom6,
  44
  45         nv_clk_src_max,
  46 };
  47
  48 struct nouveau_cstate {
  49         struct list_head head;
  50         u8  voltage;
  51         u32 domain[nv_clk_src_max];
  52 };
  53
  54 struct nouveau_pstate {
  55         struct list_head head;
  56         struct list_head list; /* c-states */
  57         struct nouveau_cstate base;
  58         u8 pstate;
  59         u8 fanspeed;
  60 };
  61
  62 struct nouveau_clock {
  63         struct nouveau_subdev base;
  64
  65         struct nouveau_clocks *domains;
  66         struct nouveau_pstate bstate;
  67
  68         struct list_head states;
  69         int state_nr;
  70
  71         int pstate; /* current */
  72         int ustate; /* user-requested (-1 disabled, -2 perfmon) */
  73         int astate; /* perfmon adjustment (base) */
  74         int tstate; /* thermal adjustment (max-) */
  75         int dstate; /* display adjustment (min+) */
  76
  77         int  (*read)(struct nouveau_clock *, enum nv_clk_src);
  78         int  (*calc)(struct nouveau_clock *, struct nouveau_cstate *);
  79         int  (*prog)(struct nouveau_clock *);
  80         void (*tidy)(struct nouveau_clock *);
  81
  82         /*XXX: die, these are here *only* to support the completely
  83          *     bat-shit insane what-was-nouveau_hw.c code
  84          */
  85         int (*pll_calc)(struct nouveau_clock *, struct nvbios_pll *,
  86                         int clk, struct nouveau_pll_vals *pv);
  87         int (*pll_prog)(struct nouveau_clock *, u32 reg1,
  88                         struct nouveau_pll_vals *pv);
  89 };
  90
  91 static inline struct nouveau_clock *
  92 nouveau_clock(void *obj)
  93 {
  94         return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_CLOCK];
  95 }
  96
  97 struct nouveau_clocks {
  98         enum nv_clk_src name;
  99         u8 bios; /* 0xff for none */
 100 #define NVKM_CLK_DOM_FLAG_CORE 0x01
 101         u8 flags;
 102         const char *mname;
 103         int mdiv;
 104 };
 105
 106 #define nouveau_clock_create(p,e,o,i,d)                                        \
 107         nouveau_clock_create_((p), (e), (o), (i), sizeof(**d), (void **)d)
 108 #define nouveau_clock_destroy(p) ({                                            \
 109         struct nouveau_clock *clk = (p);                                       \
 110         _nouveau_clock_dtor(nv_object(clk));                                   \
 111 })
 112 #define nouveau_clock_init(p) ({                                               \
 113         struct nouveau_clock *clk = (p);                                       \
 114         _nouveau_clock_init(nv_object(clk));                                   \
 115 })
 116 #define nouveau_clock_fini(p,s)                                                \
 117         nouveau_subdev_fini(&(p)->base, (s))
 118
 119 int  nouveau_clock_create_(struct nouveau_object *, struct nouveau_object *,
 120                            struct nouveau_oclass *,
 121                            struct nouveau_clocks *, int, void **);
 122 void _nouveau_clock_dtor(struct nouveau_object *);
 123 int _nouveau_clock_init(struct nouveau_object *);
 124 #define _nouveau_clock_fini _nouveau_subdev_fini
 125
 126 extern struct nouveau_oclass nv04_clock_oclass;
 127 extern struct nouveau_oclass nv40_clock_oclass;
 128 extern struct nouveau_oclass *nv50_clock_oclass;
 129 extern struct nouveau_oclass *nv84_clock_oclass;
 130 extern struct nouveau_oclass nva3_clock_oclass;
 131 extern struct nouveau_oclass nvc0_clock_oclass;
 132 extern struct nouveau_oclass nve0_clock_oclass;
 133
 134 int nv04_clock_pll_set(struct nouveau_clock *, u32 type, u32 freq);
 135 int nv04_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *,
 136                         int clk, struct nouveau_pll_vals *);
 137 int nv04_clock_pll_prog(struct nouveau_clock *, u32 reg1,
 138                         struct nouveau_pll_vals *);
 139 int nva3_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *,
 140                         int clk, struct nouveau_pll_vals *);
 141
 142 int nouveau_clock_ustate(struct nouveau_clock *, int req);
 143 int nouveau_clock_astate(struct nouveau_clock *, int req, int rel);
 144 int nouveau_clock_dstate(struct nouveau_clock *, int req, int rel);
 145 int nouveau_clock_tstate(struct nouveau_clock *, int req, int rel);
 146
 147 #endif