drivers/gpu/host1x/hw/host1x01_hardware.h

   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