xref: /linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h (revision 0883c2c06fb5bcf5b9e008270827e63c09a88c1e)
1 #ifndef __NVKM_CLK_H__
2 #define __NVKM_CLK_H__
3 #include <core/subdev.h>
4 #include <core/notify.h>
5 #include <subdev/pci.h>
6 struct nvbios_pll;
7 struct nvkm_pll_vals;
8 
9 enum nv_clk_src {
10 	nv_clk_src_crystal,
11 	nv_clk_src_href,
12 
13 	nv_clk_src_hclk,
14 	nv_clk_src_hclkm3,
15 	nv_clk_src_hclkm3d2,
16 	nv_clk_src_hclkm2d3, /* NVAA */
17 	nv_clk_src_hclkm4, /* NVAA */
18 	nv_clk_src_cclk, /* NVAA */
19 
20 	nv_clk_src_host,
21 
22 	nv_clk_src_sppll0,
23 	nv_clk_src_sppll1,
24 
25 	nv_clk_src_mpllsrcref,
26 	nv_clk_src_mpllsrc,
27 	nv_clk_src_mpll,
28 	nv_clk_src_mdiv,
29 
30 	nv_clk_src_core,
31 	nv_clk_src_core_intm,
32 	nv_clk_src_shader,
33 
34 	nv_clk_src_mem,
35 
36 	nv_clk_src_gpc,
37 	nv_clk_src_rop,
38 	nv_clk_src_hubk01,
39 	nv_clk_src_hubk06,
40 	nv_clk_src_hubk07,
41 	nv_clk_src_copy,
42 	nv_clk_src_pmu,
43 	nv_clk_src_disp,
44 	nv_clk_src_vdec,
45 
46 	nv_clk_src_dom6,
47 
48 	nv_clk_src_max,
49 };
50 
51 struct nvkm_cstate {
52 	struct list_head head;
53 	u8  voltage;
54 	u32 domain[nv_clk_src_max];
55 };
56 
57 struct nvkm_pstate {
58 	struct list_head head;
59 	struct list_head list; /* c-states */
60 	struct nvkm_cstate base;
61 	u8 pstate;
62 	u8 fanspeed;
63 	enum nvkm_pcie_speed pcie_speed;
64 	u8 pcie_width;
65 };
66 
67 struct nvkm_domain {
68 	enum nv_clk_src name;
69 	u8 bios; /* 0xff for none */
70 #define NVKM_CLK_DOM_FLAG_CORE 0x01
71 	u8 flags;
72 	const char *mname;
73 	int mdiv;
74 };
75 
76 struct nvkm_clk {
77 	const struct nvkm_clk_func *func;
78 	struct nvkm_subdev subdev;
79 
80 	const struct nvkm_domain *domains;
81 	struct nvkm_pstate bstate;
82 
83 	struct list_head states;
84 	int state_nr;
85 
86 	struct work_struct work;
87 	wait_queue_head_t wait;
88 	atomic_t waiting;
89 
90 	struct nvkm_notify pwrsrc_ntfy;
91 	int pwrsrc;
92 	int pstate; /* current */
93 	int ustate_ac; /* user-requested (-1 disabled, -2 perfmon) */
94 	int ustate_dc; /* user-requested (-1 disabled, -2 perfmon) */
95 	int astate; /* perfmon adjustment (base) */
96 	int tstate; /* thermal adjustment (max-) */
97 	int dstate; /* display adjustment (min+) */
98 
99 	bool allow_reclock;
100 
101 	/*XXX: die, these are here *only* to support the completely
102 	 *     bat-shit insane what-was-nouveau_hw.c code
103 	 */
104 	int (*pll_calc)(struct nvkm_clk *, struct nvbios_pll *, int clk,
105 			struct nvkm_pll_vals *pv);
106 	int (*pll_prog)(struct nvkm_clk *, u32 reg1, struct nvkm_pll_vals *pv);
107 };
108 
109 int nvkm_clk_read(struct nvkm_clk *, enum nv_clk_src);
110 int nvkm_clk_ustate(struct nvkm_clk *, int req, int pwr);
111 int nvkm_clk_astate(struct nvkm_clk *, int req, int rel, bool wait);
112 int nvkm_clk_dstate(struct nvkm_clk *, int req, int rel);
113 int nvkm_clk_tstate(struct nvkm_clk *, int req, int rel);
114 
115 int nv04_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
116 int nv40_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
117 int nv50_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
118 int g84_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
119 int mcp77_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
120 int gt215_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
121 int gf100_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
122 int gk104_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
123 int gk20a_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
124 int gm20b_clk_new(struct nvkm_device *, int, struct nvkm_clk **);
125 #endif
126