xref: /linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_CLK_H__
3 #define __NVKM_CLK_H__
4 #include <core/subdev.h>
5 #include <subdev/pci.h>
6 struct nvbios_pll;
7 struct nvkm_pll_vals;
8 
9 #define NVKM_CLK_CSTATE_DEFAULT -1 /* POSTed default */
10 #define NVKM_CLK_CSTATE_BASE    -2 /* pstate base */
11 #define NVKM_CLK_CSTATE_HIGHEST -3 /* highest possible */
12 
13 enum nv_clk_src {
14 	nv_clk_src_crystal,
15 	nv_clk_src_href,
16 
17 	nv_clk_src_hclk,
18 	nv_clk_src_hclkm3,
19 	nv_clk_src_hclkm3d2,
20 	nv_clk_src_hclkm2d3, /* NVAA */
21 	nv_clk_src_hclkm4, /* NVAA */
22 	nv_clk_src_cclk, /* NVAA */
23 
24 	nv_clk_src_host,
25 
26 	nv_clk_src_sppll0,
27 	nv_clk_src_sppll1,
28 
29 	nv_clk_src_mpllsrcref,
30 	nv_clk_src_mpllsrc,
31 	nv_clk_src_mpll,
32 	nv_clk_src_mdiv,
33 
34 	nv_clk_src_core,
35 	nv_clk_src_core_intm,
36 	nv_clk_src_shader,
37 
38 	nv_clk_src_mem,
39 
40 	nv_clk_src_gpc,
41 	nv_clk_src_rop,
42 	nv_clk_src_hubk01,
43 	nv_clk_src_hubk06,
44 	nv_clk_src_hubk07,
45 	nv_clk_src_copy,
46 	nv_clk_src_pmu,
47 	nv_clk_src_disp,
48 	nv_clk_src_vdec,
49 
50 	nv_clk_src_dom6,
51 
52 	nv_clk_src_max,
53 };
54 
55 struct nvkm_cstate {
56 	struct list_head head;
57 	u8  voltage;
58 	u32 domain[nv_clk_src_max];
59 	u8  id;
60 };
61 
62 struct nvkm_pstate {
63 	struct list_head head;
64 	struct list_head list; /* c-states */
65 	struct nvkm_cstate base;
66 	u8 pstate;
67 	u8 fanspeed;
68 	enum nvkm_pcie_speed pcie_speed;
69 	u8 pcie_width;
70 };
71 
72 struct nvkm_domain {
73 	enum nv_clk_src name;
74 	u8 bios; /* 0xff for none */
75 #define NVKM_CLK_DOM_FLAG_CORE    0x01
76 #define NVKM_CLK_DOM_FLAG_VPSTATE 0x02
77 	u8 flags;
78 	const char *mname;
79 	int mdiv;
80 };
81 
82 struct nvkm_clk {
83 	const struct nvkm_clk_func *func;
84 	struct nvkm_subdev subdev;
85 
86 	const struct nvkm_domain *domains;
87 	struct nvkm_pstate bstate;
88 
89 	struct list_head states;
90 	int state_nr;
91 
92 	struct work_struct work;
93 	wait_queue_head_t wait;
94 	atomic_t waiting;
95 
96 	int pwrsrc;
97 	int pstate; /* current */
98 	int ustate_ac; /* user-requested (-1 disabled, -2 perfmon) */
99 	int ustate_dc; /* user-requested (-1 disabled, -2 perfmon) */
100 	int astate; /* perfmon adjustment (base) */
101 	int dstate; /* display adjustment (min+) */
102 	u8  temp;
103 
104 	bool allow_reclock;
105 #define NVKM_CLK_BOOST_NONE 0x0
106 #define NVKM_CLK_BOOST_BIOS 0x1
107 #define NVKM_CLK_BOOST_FULL 0x2
108 	u8  boost_mode;
109 	u32 base_khz;
110 	u32 boost_khz;
111 
112 	/*XXX: die, these are here *only* to support the completely
113 	 *     bat-shit insane what-was-nouveau_hw.c code
114 	 */
115 	int (*pll_calc)(struct nvkm_clk *, struct nvbios_pll *, int clk,
116 			struct nvkm_pll_vals *pv);
117 	int (*pll_prog)(struct nvkm_clk *, u32 reg1, struct nvkm_pll_vals *pv);
118 };
119 
120 int nvkm_clk_read(struct nvkm_clk *, enum nv_clk_src);
121 int nvkm_clk_ustate(struct nvkm_clk *, int req, int pwr);
122 int nvkm_clk_astate(struct nvkm_clk *, int req, int rel, bool wait);
123 int nvkm_clk_dstate(struct nvkm_clk *, int req, int rel);
124 int nvkm_clk_tstate(struct nvkm_clk *, u8 temperature);
125 int nvkm_clk_pwrsrc(struct nvkm_device *);
126 
127 int nv04_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
128 int nv40_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
129 int nv50_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
130 int g84_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
131 int mcp77_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
132 int gt215_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
133 int gf100_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
134 int gk104_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
135 int gk20a_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
136 int gm20b_clk_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_clk **);
137 #endif
138