LXR linux/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>
   5struct nvbios_pll;
   6struct nvkm_pll_vals;
   7
   8enum 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
  50struct nvkm_cstate {
  51        struct list_head head;
  52        u8  voltage;
  53        u32 domain[nv_clk_src_max];
  54};
  55
  56struct 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
  64struct 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
  73struct 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
 110static inline struct nvkm_clk *
 111nvkm_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
 132int  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 **);
 136void _nvkm_clk_dtor(struct nvkm_object *);
 137int  _nvkm_clk_init(struct nvkm_object *);
 138int  _nvkm_clk_fini(struct nvkm_object *, bool);
 139
 140extern struct nvkm_oclass nv04_clk_oclass;
 141extern struct nvkm_oclass nv40_clk_oclass;
 142extern struct nvkm_oclass *nv50_clk_oclass;
 143extern struct nvkm_oclass *g84_clk_oclass;
 144extern struct nvkm_oclass *mcp77_clk_oclass;
 145extern struct nvkm_oclass gt215_clk_oclass;
 146extern struct nvkm_oclass gf100_clk_oclass;
 147extern struct nvkm_oclass gk104_clk_oclass;
 148extern struct nvkm_oclass gk20a_clk_oclass;
 149
 150int nv04_clk_pll_set(struct nvkm_clk *, u32 type, u32 freq);
 151int nv04_clk_pll_calc(struct nvkm_clk *, struct nvbios_pll *, int clk,
 152                      struct nvkm_pll_vals *);
 153int nv04_clk_pll_prog(struct nvkm_clk *, u32 reg1, struct nvkm_pll_vals *);
 154int gt215_clk_pll_calc(struct nvkm_clk *, struct nvbios_pll *,
 155                       int clk, struct nvkm_pll_vals *);
 156
 157int nvkm_clk_ustate(struct nvkm_clk *, int req, int pwr);
 158int nvkm_clk_astate(struct nvkm_clk *, int req, int rel, bool wait);
 159int nvkm_clk_dstate(struct nvkm_clk *, int req, int rel);
 160int nvkm_clk_tstate(struct nvkm_clk *, int req, int rel);
 161#endif
 162