1 /*
2  * Tegra host1x Register Offsets for Tegra20 and Tegra30
3  *
4  * Copyright (c) 2010-2013 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_HOST1X01_HARDWARE_H
20 #define __HOST1X_HOST1X01_HARDWARE_H
21 
22 #include <linux/types.h>
23 #include <linux/bitops.h>
24 
25 #include "hw_host1x01_channel.h"
26 #include "hw_host1x01_sync.h"
27 #include "hw_host1x01_uclass.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 
88 /* cdma opcodes */
89 static inline u32 host1x_opcode_setclass(
90 	unsigned class_id, unsigned offset, unsigned mask)
91 {
92 	return (0 << 28) | (offset << 16) | (class_id << 6) | mask;
93 }
94 
95 static inline u32 host1x_opcode_incr(unsigned offset, unsigned count)
96 {
97 	return (1 << 28) | (offset << 16) | count;
98 }
99 
100 static inline u32 host1x_opcode_nonincr(unsigned offset, unsigned count)
101 {
102 	return (2 << 28) | (offset << 16) | count;
103 }
104 
105 static inline u32 host1x_opcode_mask(unsigned offset, unsigned mask)
106 {
107 	return (3 << 28) | (offset << 16) | mask;
108 }
109 
110 static inline u32 host1x_opcode_imm(unsigned offset, unsigned value)
111 {
112 	return (4 << 28) | (offset << 16) | value;
113 }
114 
115 static inline u32 host1x_opcode_imm_incr_syncpt(unsigned cond, unsigned indx)
116 {
117 	return host1x_opcode_imm(host1x_uclass_incr_syncpt_r(),
118 		host1x_class_host_incr_syncpt(cond, indx));
119 }
120 
121 static inline u32 host1x_opcode_restart(unsigned address)
122 {
123 	return (5 << 28) | (address >> 4);
124 }
125 
126 static inline u32 host1x_opcode_gather(unsigned count)
127 {
128 	return (6 << 28) | count;
129 }
130 
131 static inline u32 host1x_opcode_gather_nonincr(unsigned offset,	unsigned count)
132 {
133 	return (6 << 28) | (offset << 16) | BIT(15) | count;
134 }
135 
136 static inline u32 host1x_opcode_gather_incr(unsigned offset, unsigned count)
137 {
138 	return (6 << 28) | (offset << 16) | BIT(15) | BIT(14) | count;
139 }
140 
141 #define HOST1X_OPCODE_NOP host1x_opcode_nonincr(0, 0)
142 
143 #endif
144