drivers/gpu/host1x/hw/host1x01_hardware.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Tegra host1x Register Offsets for Tegra20 and Tegra30
   4  *
   5  * Copyright (c) 2010-2013 NVIDIA Corporation.
   6  */
   7
   8 #ifndef __HOST1X_HOST1X01_HARDWARE_H
   9 #define __HOST1X_HOST1X01_HARDWARE_H
  10
  11 #include <linux/types.h>
  12 #include <linux/bitops.h>
  13
  14 #include "hw_host1x01_channel.h"
  15 #include "hw_host1x01_sync.h"
  16 #include "hw_host1x01_uclass.h"
  17
  18 static inline u32 host1x_class_host_wait_syncpt(
  19         unsigned indx, unsigned threshold)
  20 {
  21         return host1x_uclass_wait_syncpt_indx_f(indx)
  22                 | host1x_uclass_wait_syncpt_thresh_f(threshold);
  23 }
  24
  25 static inline u32 host1x_class_host_load_syncpt_base(
  26         unsigned indx, unsigned threshold)
  27 {
  28         return host1x_uclass_load_syncpt_base_base_indx_f(indx)
  29                 | host1x_uclass_load_syncpt_base_value_f(threshold);
  30 }
  31
  32 static inline u32 host1x_class_host_wait_syncpt_base(
  33         unsigned indx, unsigned base_indx, unsigned offset)
  34 {
  35         return host1x_uclass_wait_syncpt_base_indx_f(indx)
  36                 | host1x_uclass_wait_syncpt_base_base_indx_f(base_indx)
  37                 | host1x_uclass_wait_syncpt_base_offset_f(offset);
  38 }
  39
  40 static inline u32 host1x_class_host_incr_syncpt_base(
  41         unsigned base_indx, unsigned offset)
  42 {
  43         return host1x_uclass_incr_syncpt_base_base_indx_f(base_indx)
  44                 | host1x_uclass_incr_syncpt_base_offset_f(offset);
  45 }
  46
  47 static inline u32 host1x_class_host_incr_syncpt(
  48         unsigned cond, unsigned indx)
  49 {
  50         return host1x_uclass_incr_syncpt_cond_f(cond)
  51                 | host1x_uclass_incr_syncpt_indx_f(indx);
  52 }
  53
  54 static inline u32 host1x_class_host_indoff_reg_write(
  55         unsigned mod_id, unsigned offset, bool auto_inc)
  56 {
  57         u32 v = host1x_uclass_indoff_indbe_f(0xf)
  58                 | host1x_uclass_indoff_indmodid_f(mod_id)
  59                 | host1x_uclass_indoff_indroffset_f(offset);
  60         if (auto_inc)
  61                 v |= host1x_uclass_indoff_autoinc_f(1);
  62         return v;
  63 }
  64
  65 static inline u32 host1x_class_host_indoff_reg_read(
  66         unsigned mod_id, unsigned offset, bool auto_inc)
  67 {
  68         u32 v = host1x_uclass_indoff_indmodid_f(mod_id)
  69                 | host1x_uclass_indoff_indroffset_f(offset)
  70                 | host1x_uclass_indoff_rwn_read_v();
  71         if (auto_inc)
  72                 v |= host1x_uclass_indoff_autoinc_f(1);
  73         return v;
  74 }
  75
  76
  77 /* cdma opcodes */
  78 static inline u32 host1x_opcode_setclass(
  79         unsigned class_id, unsigned offset, unsigned mask)
  80 {
  81         return (0 << 28) | (offset << 16) | (class_id << 6) | mask;
  82 }
  83
  84 static inline u32 host1x_opcode_incr(unsigned offset, unsigned count)
  85 {
  86         return (1 << 28) | (offset << 16) | count;
  87 }
  88
  89 static inline u32 host1x_opcode_nonincr(unsigned offset, unsigned count)
  90 {
  91         return (2 << 28) | (offset << 16) | count;
  92 }
  93
  94 static inline u32 host1x_opcode_mask(unsigned offset, unsigned mask)
  95 {
  96         return (3 << 28) | (offset << 16) | mask;
  97 }
  98
  99 static inline u32 host1x_opcode_imm(unsigned offset, unsigned value)
 100 {
 101         return (4 << 28) | (offset << 16) | value;
 102 }
 103
 104 static inline u32 host1x_opcode_imm_incr_syncpt(unsigned cond, unsigned indx)
 105 {
 106         return host1x_opcode_imm(host1x_uclass_incr_syncpt_r(),
 107                 host1x_class_host_incr_syncpt(cond, indx));
 108 }
 109
 110 static inline u32 host1x_opcode_restart(unsigned address)
 111 {
 112         return (5 << 28) | (address >> 4);
 113 }
 114
 115 static inline u32 host1x_opcode_gather(unsigned count)
 116 {
 117         return (6 << 28) | count;
 118 }
 119
 120 static inline u32 host1x_opcode_gather_nonincr(unsigned offset, unsigned count)
 121 {
 122         return (6 << 28) | (offset << 16) | BIT(15) | count;
 123 }
 124
 125 static inline u32 host1x_opcode_gather_incr(unsigned offset, unsigned count)
 126 {
 127         return (6 << 28) | (offset << 16) | BIT(15) | BIT(14) | count;
 128 }
 129
 130 #define HOST1X_OPCODE_NOP host1x_opcode_nonincr(0, 0)
 131
 132 #endif