kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h

   1 #ifndef __NVKM_CLK_H__
   2 #define __NVKM_CLK_H__
   3 #include <core/subdev.h>
   4 #include <core/notify.h>
   5 struct nvbios_pll;
   6 struct nvkm_pll_vals;
   7
   8 enum nv_clk_src {
   9         nv_clk_src_crystal,
  10         nv_clk_src_href,
  11
  12         nv_clk_src_hclk,
  13         nv_clk_src_hclkm3,
  14         nv_clk_src_hclkm3d2,
  15         nv_clk_src_hclkm2d3, /* NVAA */
  16         nv_clk_src_hclkm4, /* NVAA */
  17         nv_clk_src_cclk, /* NVAA */
  18
  19         nv_clk_src_host,
  20
  21         nv_clk_src_sppll0,
  22         nv_clk_src_sppll1,
  23
  24         nv_clk_src_mpllsrcref,
  25         nv_clk_src_mpllsrc,
  26         nv_clk_src_mpll,
  27         nv_clk_src_mdiv,
  28
  29         nv_clk_src_core,
  30         nv_clk_src_core_intm,
  31         nv_clk_src_shader,
  32
  33         nv_clk_src_mem,
  34
  35         nv_clk_src_gpc,
  36         nv_clk_src_rop,
  37         nv_clk_src_hubk01,
  38         nv_clk_src_hubk06,
  39         nv_clk_src_hubk07,
  40         nv_clk_src_copy,
  41         nv_clk_src_daemon,
  42         nv_clk_src_disp,
  43         nv_clk_src_vdec,
  44
  45         nv_clk_src_dom6,
  46
  47         nv_clk_src_max,
  48 };
  49
  50 struct nvkm_cstate {
  51         struct list_head head;
  52         u8  voltage;
  53         u32 domain[nv_clk_src_max];
  54 };
  55
  56 struct nvkm_pstate {
  57         struct list_head head;
  58         struct list_head list; /* c-states */
  59         struct nvkm_cstate base;
  60         u8 pstate;
  61         u8 fanspeed;
  62 };
  63
  64 struct nvkm_domain {
  65         enum nv_clk_src name;
  66         u8 bios; /* 0xff for none */
  67 #define NVKM_CLK_DOM_FLAG_CORE 0x01
  68         u8 flags;
  69         const char *mname;
  70         int mdiv;
  71 };
  72
  73 struct nvkm_clk {
  74         struct nvkm_subdev base;
  75
  76         struct nvkm_domain *domains;
  77         struct nvkm_pstate bstate;
  78
  79         struct list_head states;
  80         int state_nr;
  81
  82         struct work_struct work;
  83         wait_queue_head_t wait;
  84         atomic_t waiting;
  85
  86         struct nvkm_notify pwrsrc_ntfy;
  87         int pwrsrc;
  88         int pstate; /* current */
  89         int ustate_ac; /* user-requested (-1 disabled, -2 perfmon) */
  90         int ustate_dc; /* user-requested (-1 disabled, -2 perfmon) */
  91         int astate; /* perfmon adjustment (base) */
  92         int tstate; /* thermal adjustment (max-) */
  93         int dstate; /* display adjustment (min+) */
  94
  95         bool allow_reclock;
  96
  97         int  (*read)(struct nvkm_clk *, enum nv_clk_src);
  98         int  (*calc)(struct nvkm_clk *, struct nvkm_cstate *);
  99         int  (*prog)(struct nvkm_clk *);
 100         void (*tidy)(struct nvkm_clk *);
 101
 102         /*XXX: die, these are here *only* to support the completely
 103          *     bat-shit insane what-was-nvkm_hw.c code
 104          */
 105         int (*pll_calc)(struct nvkm_clk *, struct nvbios_pll *, int clk,
 106                         struct nvkm_pll_vals *pv);
 107         int (*pll_prog)(struct nvkm_clk *, u32 reg1, struct nvkm_pll_vals *pv);
 108 };
 109
 110 static inline struct nvkm_clk *
 111 nvkm_clk(void *obj)
 112 {
 113         return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_CLK);
 114 }
 115
 116 #define nvkm_clk_create(p,e,o,i,r,s,n,d)                                  \
 117         nvkm_clk_create_((p), (e), (o), (i), (r), (s), (n), sizeof(**d),  \
 118                               (void **)d)
 119 #define nvkm_clk_destroy(p) ({                                            \
 120         struct nvkm_clk *clk = (p);                                       \
 121         _nvkm_clk_dtor(nv_object(clk));                                   \
 122 })
 123 #define nvkm_clk_init(p) ({                                               \
 124         struct nvkm_clk *clk = (p);                                       \
 125         _nvkm_clk_init(nv_object(clk));                                   \
 126 })
 127 #define nvkm_clk_fini(p,s) ({                                             \
 128         struct nvkm_clk *clk = (p);                                       \
 129         _nvkm_clk_fini(nv_object(clk), (s));                              \
 130 })
 131
 132 int  nvkm_clk_create_(struct nvkm_object *, struct nvkm_object *,
 133                            struct nvkm_oclass *,
 134                            struct nvkm_domain *, struct nvkm_pstate *,
 135                            int, bool, int, void **);
 136 void _nvkm_clk_dtor(struct nvkm_object *);
 137 int  _nvkm_clk_init(struct nvkm_object *);
 138 int  _nvkm_clk_fini(struct nvkm_object *, bool);
 139
 140 extern struct nvkm_oclass nv04_clk_oclass;
 141 extern struct nvkm_oclass nv40_clk_oclass;
 142 extern struct nvkm_oclass *nv50_clk_oclass;
 143 extern struct nvkm_oclass *g84_clk_oclass;
 144 extern struct nvkm_oclass *mcp77_clk_oclass;
 145 extern struct nvkm_oclass gt215_clk_oclass;
 146 extern struct nvkm_oclass gf100_clk_oclass;
 147 extern struct nvkm_oclass gk104_clk_oclass;
 148 extern struct nvkm_oclass gk20a_clk_oclass;
 149
 150 int nv04_clk_pll_set(struct nvkm_clk *, u32 type, u32 freq);
 151 int nv04_clk_pll_calc(struct nvkm_clk *, struct nvbios_pll *, int clk,
 152                       struct nvkm_pll_vals *);
 153 int nv04_clk_pll_prog(struct nvkm_clk *, u32 reg1, struct nvkm_pll_vals *);
 154 int gt215_clk_pll_calc(struct nvkm_clk *, struct nvbios_pll *,
 155                        int clk, struct nvkm_pll_vals *);
 156
 157 int nvkm_clk_ustate(struct nvkm_clk *, int req, int pwr);
 158 int nvkm_clk_astate(struct nvkm_clk *, int req, int rel, bool wait);
 159 int nvkm_clk_dstate(struct nvkm_clk *, int req, int rel);
 160 int nvkm_clk_tstate(struct nvkm_clk *, int req, int rel);
 161 #endif