drm/nouveau/clk: implement power state and engine clock control in core

[deliverable/linux.git] / drivers / gpu / drm / nouveau / core / include / subdev / clock.h

diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
index 89ee289097a6533a66ea50a85c298d4163378d8c..e2675bc0edba5f9baefc5d514750d151a2ce23a7 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
@@ -7,9 +7,78 @@
 struct nouveau_pll_vals;
 struct nvbios_pll;
 
+enum nv_clk_src {
+       nv_clk_src_crystal,
+       nv_clk_src_href,
+
+       nv_clk_src_hclk,
+       nv_clk_src_hclkm3,
+       nv_clk_src_hclkm3d2,
+
+       nv_clk_src_host,
+
+       nv_clk_src_sppll0,
+       nv_clk_src_sppll1,
+
+       nv_clk_src_mpllsrcref,
+       nv_clk_src_mpllsrc,
+       nv_clk_src_mpll,
+       nv_clk_src_mdiv,
+
+       nv_clk_src_core,
+       nv_clk_src_shader,
+
+       nv_clk_src_mem,
+
+       nv_clk_src_gpc,
+       nv_clk_src_rop,
+       nv_clk_src_hubk01,
+       nv_clk_src_hubk06,
+       nv_clk_src_hubk07,
+       nv_clk_src_copy,
+       nv_clk_src_daemon,
+       nv_clk_src_disp,
+       nv_clk_src_vdec,
+
+       nv_clk_src_dom6,
+
+       nv_clk_src_max,
+};
+
+struct nouveau_cstate {
+       struct list_head head;
+       u8  voltage;
+       u32 domain[nv_clk_src_max];
+};
+
+struct nouveau_pstate {
+       struct list_head head;
+       struct list_head list; /* c-states */
+       struct nouveau_cstate base;
+       u8 pstate;
+       u8 fanspeed;
+};
+
 struct nouveau_clock {
        struct nouveau_subdev base;
 
+       struct nouveau_clocks *domains;
+       struct nouveau_pstate bstate;
+
+       struct list_head states;
+       int state_nr;
+
+       int pstate; /* current */
+       int ustate; /* user-requested (-1 disabled, -2 perfmon) */
+       int astate; /* perfmon adjustment (base) */
+       int tstate; /* thermal adjustment (max-) */
+       int dstate; /* display adjustment (min+) */
+
+       int  (*read)(struct nouveau_clock *, enum nv_clk_src);
+       int  (*calc)(struct nouveau_clock *, struct nouveau_cstate *);
+       int  (*prog)(struct nouveau_clock *);
+       void (*tidy)(struct nouveau_clock *);
+
        /*XXX: die, these are here *only* to support the completely
         *     bat-shit insane what-was-nouveau_hw.c code
         */
@@ -25,27 +94,42 @@ nouveau_clock(void *obj)
        return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_CLOCK];
 }
 
-#define nouveau_clock_create(p,e,o,d)                                          \
-       nouveau_subdev_create((p), (e), (o), 0, "CLOCK", "clock", d)
-#define nouveau_clock_destroy(p)                                               \
-       nouveau_subdev_destroy(&(p)->base)
-#define nouveau_clock_init(p)                                                  \
-       nouveau_subdev_init(&(p)->base)
+struct nouveau_clocks {
+       enum nv_clk_src name;
+       u8 bios; /* 0xff for none */
+#define NVKM_CLK_DOM_FLAG_CORE 0x01
+       u8 flags;
+       const char *mname;
+       int mdiv;
+};
+
+#define nouveau_clock_create(p,e,o,i,d)                                        \
+       nouveau_clock_create_((p), (e), (o), (i), sizeof(**d), (void **)d)
+#define nouveau_clock_destroy(p) ({                                            \
+       struct nouveau_clock *clk = (p);                                       \
+       _nouveau_clock_dtor(nv_object(clk));                                   \
+})
+#define nouveau_clock_init(p) ({                                               \
+       struct nouveau_clock *clk = (p);                                       \
+       _nouveau_clock_init(nv_object(clk));                                   \
+})
 #define nouveau_clock_fini(p,s)                                                \
        nouveau_subdev_fini(&(p)->base, (s))
 
 int  nouveau_clock_create_(struct nouveau_object *, struct nouveau_object *,
-                          struct nouveau_oclass *, void *, u32, int, void **);
-
-#define _nouveau_clock_dtor _nouveau_subdev_dtor
-#define _nouveau_clock_init _nouveau_subdev_init
+                          struct nouveau_oclass *,
+                          struct nouveau_clocks *, int, void **);
+void _nouveau_clock_dtor(struct nouveau_object *);
+int _nouveau_clock_init(struct nouveau_object *);
 #define _nouveau_clock_fini _nouveau_subdev_fini
 
 extern struct nouveau_oclass nv04_clock_oclass;
 extern struct nouveau_oclass nv40_clock_oclass;
-extern struct nouveau_oclass nv50_clock_oclass;
+extern struct nouveau_oclass *nv50_clock_oclass;
+extern struct nouveau_oclass *nv84_clock_oclass;
 extern struct nouveau_oclass nva3_clock_oclass;
 extern struct nouveau_oclass nvc0_clock_oclass;
+extern struct nouveau_oclass nve0_clock_oclass;
 
 int nv04_clock_pll_set(struct nouveau_clock *, u32 type, u32 freq);
 int nv04_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *,
@@ -55,4 +139,9 @@ int nv04_clock_pll_prog(struct nouveau_clock *, u32 reg1,
 int nva3_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *,
                        int clk, struct nouveau_pll_vals *);
 
+int nouveau_clock_ustate(struct nouveau_clock *, int req);
+int nouveau_clock_astate(struct nouveau_clock *, int req, int rel);
+int nouveau_clock_dstate(struct nouveau_clock *, int req, int rel);
+int nouveau_clock_tstate(struct nouveau_clock *, int req, int rel);
+
 #endif