]> git.ipfire.org Git - thirdparty/kernel/stable.git/blob - drivers/gpu/host1x/hw/host1x07_hardware.h
drm/amd/display: Check hpd_gpio for NULL before accessing it
[thirdparty/kernel/stable.git] / drivers / gpu / host1x / hw / host1x07_hardware.h
1 /*
2 * Tegra host1x Register Offsets for Tegra194
3 *
4 * Copyright (c) 2018 NVIDIA Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #ifndef __HOST1X_HOST1X07_HARDWARE_H
20 #define __HOST1X_HOST1X07_HARDWARE_H
21
22 #include <linux/types.h>
23 #include <linux/bitops.h>
24
25 #include "hw_host1x07_uclass.h"
26 #include "hw_host1x07_vm.h"
27 #include "hw_host1x07_hypervisor.h"
28
29 static inline u32 host1x_class_host_wait_syncpt(
30 unsigned indx, unsigned threshold)
31 {
32 return host1x_uclass_wait_syncpt_indx_f(indx)
33 | host1x_uclass_wait_syncpt_thresh_f(threshold);
34 }
35
36 static inline u32 host1x_class_host_load_syncpt_base(
37 unsigned indx, unsigned threshold)
38 {
39 return host1x_uclass_load_syncpt_base_base_indx_f(indx)
40 | host1x_uclass_load_syncpt_base_value_f(threshold);
41 }
42
43 static inline u32 host1x_class_host_wait_syncpt_base(
44 unsigned indx, unsigned base_indx, unsigned offset)
45 {
46 return host1x_uclass_wait_syncpt_base_indx_f(indx)
47 | host1x_uclass_wait_syncpt_base_base_indx_f(base_indx)
48 | host1x_uclass_wait_syncpt_base_offset_f(offset);
49 }
50
51 static inline u32 host1x_class_host_incr_syncpt_base(
52 unsigned base_indx, unsigned offset)
53 {
54 return host1x_uclass_incr_syncpt_base_base_indx_f(base_indx)
55 | host1x_uclass_incr_syncpt_base_offset_f(offset);
56 }
57
58 static inline u32 host1x_class_host_incr_syncpt(
59 unsigned cond, unsigned indx)
60 {
61 return host1x_uclass_incr_syncpt_cond_f(cond)
62 | host1x_uclass_incr_syncpt_indx_f(indx);
63 }
64
65 static inline u32 host1x_class_host_indoff_reg_write(
66 unsigned mod_id, unsigned offset, bool auto_inc)
67 {
68 u32 v = host1x_uclass_indoff_indbe_f(0xf)
69 | host1x_uclass_indoff_indmodid_f(mod_id)
70 | host1x_uclass_indoff_indroffset_f(offset);
71 if (auto_inc)
72 v |= host1x_uclass_indoff_autoinc_f(1);
73 return v;
74 }
75
76 static inline u32 host1x_class_host_indoff_reg_read(
77 unsigned mod_id, unsigned offset, bool auto_inc)
78 {
79 u32 v = host1x_uclass_indoff_indmodid_f(mod_id)
80 | host1x_uclass_indoff_indroffset_f(offset)
81 | host1x_uclass_indoff_rwn_read_v();
82 if (auto_inc)
83 v |= host1x_uclass_indoff_autoinc_f(1);
84 return v;
85 }
86
87 /* cdma opcodes */
88 static inline u32 host1x_opcode_setclass(
89 unsigned class_id, unsigned offset, unsigned mask)
90 {
91 return (0 << 28) | (offset << 16) | (class_id << 6) | mask;
92 }
93
94 static inline u32 host1x_opcode_incr(unsigned offset, unsigned count)
95 {
96 return (1 << 28) | (offset << 16) | count;
97 }
98
99 static inline u32 host1x_opcode_nonincr(unsigned offset, unsigned count)
100 {
101 return (2 << 28) | (offset << 16) | count;
102 }
103
104 static inline u32 host1x_opcode_mask(unsigned offset, unsigned mask)
105 {
106 return (3 << 28) | (offset << 16) | mask;
107 }
108
109 static inline u32 host1x_opcode_imm(unsigned offset, unsigned value)
110 {
111 return (4 << 28) | (offset << 16) | value;
112 }
113
114 static inline u32 host1x_opcode_imm_incr_syncpt(unsigned cond, unsigned indx)
115 {
116 return host1x_opcode_imm(host1x_uclass_incr_syncpt_r(),
117 host1x_class_host_incr_syncpt(cond, indx));
118 }
119
120 static inline u32 host1x_opcode_restart(unsigned address)
121 {
122 return (5 << 28) | (address >> 4);
123 }
124
125 static inline u32 host1x_opcode_gather(unsigned count)
126 {
127 return (6 << 28) | count;
128 }
129
130 static inline u32 host1x_opcode_gather_nonincr(unsigned offset, unsigned count)
131 {
132 return (6 << 28) | (offset << 16) | BIT(15) | count;
133 }
134
135 static inline u32 host1x_opcode_gather_incr(unsigned offset, unsigned count)
136 {
137 return (6 << 28) | (offset << 16) | BIT(15) | BIT(14) | count;
138 }
139
140 #define HOST1X_OPCODE_NOP host1x_opcode_nonincr(0, 0)
141
142 #endif