xref: /openbmc/linux/drivers/gpu/host1x/hw/opcodes.h (revision baf2c002)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Tegra host1x opcodes
4  *
5  * Copyright (c) 2022 NVIDIA Corporation.
6  */
7 
8 #ifndef __HOST1X_OPCODES_H
9 #define __HOST1X_OPCODES_H
10 
11 #include <linux/types.h>
12 
13 static inline u32 host1x_class_host_wait_syncpt(
14 	unsigned indx, unsigned threshold)
15 {
16 	return host1x_uclass_wait_syncpt_indx_f(indx)
17 		| host1x_uclass_wait_syncpt_thresh_f(threshold);
18 }
19 
20 static inline u32 host1x_class_host_load_syncpt_base(
21 	unsigned indx, unsigned threshold)
22 {
23 	return host1x_uclass_load_syncpt_base_base_indx_f(indx)
24 		| host1x_uclass_load_syncpt_base_value_f(threshold);
25 }
26 
27 static inline u32 host1x_class_host_wait_syncpt_base(
28 	unsigned indx, unsigned base_indx, unsigned offset)
29 {
30 	return host1x_uclass_wait_syncpt_base_indx_f(indx)
31 		| host1x_uclass_wait_syncpt_base_base_indx_f(base_indx)
32 		| host1x_uclass_wait_syncpt_base_offset_f(offset);
33 }
34 
35 static inline u32 host1x_class_host_incr_syncpt_base(
36 	unsigned base_indx, unsigned offset)
37 {
38 	return host1x_uclass_incr_syncpt_base_base_indx_f(base_indx)
39 		| host1x_uclass_incr_syncpt_base_offset_f(offset);
40 }
41 
42 static inline u32 host1x_class_host_incr_syncpt(
43 	unsigned cond, unsigned indx)
44 {
45 	return host1x_uclass_incr_syncpt_cond_f(cond)
46 		| host1x_uclass_incr_syncpt_indx_f(indx);
47 }
48 
49 static inline u32 host1x_class_host_indoff_reg_write(
50 	unsigned mod_id, unsigned offset, bool auto_inc)
51 {
52 	u32 v = host1x_uclass_indoff_indbe_f(0xf)
53 		| host1x_uclass_indoff_indmodid_f(mod_id)
54 		| host1x_uclass_indoff_indroffset_f(offset);
55 	if (auto_inc)
56 		v |= host1x_uclass_indoff_autoinc_f(1);
57 	return v;
58 }
59 
60 static inline u32 host1x_class_host_indoff_reg_read(
61 	unsigned mod_id, unsigned offset, bool auto_inc)
62 {
63 	u32 v = host1x_uclass_indoff_indmodid_f(mod_id)
64 		| host1x_uclass_indoff_indroffset_f(offset)
65 		| host1x_uclass_indoff_rwn_read_v();
66 	if (auto_inc)
67 		v |= host1x_uclass_indoff_autoinc_f(1);
68 	return v;
69 }
70 
71 static inline u32 host1x_opcode_setclass(
72 	unsigned class_id, unsigned offset, unsigned mask)
73 {
74 	return (0 << 28) | (offset << 16) | (class_id << 6) | mask;
75 }
76 
77 static inline u32 host1x_opcode_incr(unsigned offset, unsigned count)
78 {
79 	return (1 << 28) | (offset << 16) | count;
80 }
81 
82 static inline u32 host1x_opcode_nonincr(unsigned offset, unsigned count)
83 {
84 	return (2 << 28) | (offset << 16) | count;
85 }
86 
87 static inline u32 host1x_opcode_mask(unsigned offset, unsigned mask)
88 {
89 	return (3 << 28) | (offset << 16) | mask;
90 }
91 
92 static inline u32 host1x_opcode_imm(unsigned offset, unsigned value)
93 {
94 	return (4 << 28) | (offset << 16) | value;
95 }
96 
97 static inline u32 host1x_opcode_imm_incr_syncpt(unsigned cond, unsigned indx)
98 {
99 	return host1x_opcode_imm(host1x_uclass_incr_syncpt_r(),
100 		host1x_class_host_incr_syncpt(cond, indx));
101 }
102 
103 static inline u32 host1x_opcode_restart(unsigned address)
104 {
105 	return (5 << 28) | (address >> 4);
106 }
107 
108 static inline u32 host1x_opcode_gather(unsigned count)
109 {
110 	return (6 << 28) | count;
111 }
112 
113 static inline u32 host1x_opcode_gather_nonincr(unsigned offset,	unsigned count)
114 {
115 	return (6 << 28) | (offset << 16) | BIT(15) | count;
116 }
117 
118 static inline u32 host1x_opcode_gather_incr(unsigned offset, unsigned count)
119 {
120 	return (6 << 28) | (offset << 16) | BIT(15) | BIT(14) | count;
121 }
122 
123 static inline u32 host1x_opcode_setstreamid(unsigned streamid)
124 {
125 	return (7 << 28) | streamid;
126 }
127 
128 static inline u32 host1x_opcode_setpayload(unsigned payload)
129 {
130 	return (9 << 28) | payload;
131 }
132 
133 static inline u32 host1x_opcode_gather_wide(unsigned count)
134 {
135 	return (12 << 28) | count;
136 }
137 
138 static inline u32 host1x_opcode_acquire_mlock(unsigned mlock)
139 {
140 	return (14 << 28) | (0 << 24) | mlock;
141 }
142 
143 static inline u32 host1x_opcode_release_mlock(unsigned mlock)
144 {
145 	return (14 << 28) | (1 << 24) | mlock;
146 }
147 
148 #define HOST1X_OPCODE_NOP host1x_opcode_nonincr(0, 0)
149 
150 #endif
151