drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #ifndef __AMDGPU_ATOMBIOS_H__
  25 #define __AMDGPU_ATOMBIOS_H__
  26
  27 struct atom_clock_dividers {
  28         u32 post_div;
  29         union {
  30                 struct {
  31 #ifdef __BIG_ENDIAN
  32                         u32 reserved : 6;
  33                         u32 whole_fb_div : 12;
  34                         u32 frac_fb_div : 14;
  35 #else
  36                         u32 frac_fb_div : 14;
  37                         u32 whole_fb_div : 12;
  38                         u32 reserved : 6;
  39 #endif
  40                 };
  41                 u32 fb_div;
  42         };
  43         u32 ref_div;
  44         bool enable_post_div;
  45         bool enable_dithen;
  46         u32 vco_mode;
  47         u32 real_clock;
  48         /* added for CI */
  49         u32 post_divider;
  50         u32 flags;
  51 };
  52
  53 struct atom_mpll_param {
  54         union {
  55                 struct {
  56 #ifdef __BIG_ENDIAN
  57                         u32 reserved : 8;
  58                         u32 clkfrac : 12;
  59                         u32 clkf : 12;
  60 #else
  61                         u32 clkf : 12;
  62                         u32 clkfrac : 12;
  63                         u32 reserved : 8;
  64 #endif
  65                 };
  66                 u32 fb_div;
  67         };
  68         u32 post_div;
  69         u32 bwcntl;
  70         u32 dll_speed;
  71         u32 vco_mode;
  72         u32 yclk_sel;
  73         u32 qdr;
  74         u32 half_rate;
  75 };
  76
  77 #define MEM_TYPE_GDDR5  0x50
  78 #define MEM_TYPE_GDDR4  0x40
  79 #define MEM_TYPE_GDDR3  0x30
  80 #define MEM_TYPE_DDR2   0x20
  81 #define MEM_TYPE_GDDR1  0x10
  82 #define MEM_TYPE_DDR3   0xb0
  83 #define MEM_TYPE_MASK   0xf0
  84
  85 struct atom_memory_info {
  86         u8 mem_vendor;
  87         u8 mem_type;
  88 };
  89
  90 #define MAX_AC_TIMING_ENTRIES 16
  91
  92 struct atom_memory_clock_range_table
  93 {
  94         u8 num_entries;
  95         u8 rsv[3];
  96         u32 mclk[MAX_AC_TIMING_ENTRIES];
  97 };
  98
  99 #define VBIOS_MC_REGISTER_ARRAY_SIZE 32
 100 #define VBIOS_MAX_AC_TIMING_ENTRIES 20
 101
 102 struct atom_mc_reg_entry {
 103         u32 mclk_max;
 104         u32 mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
 105 };
 106
 107 struct atom_mc_register_address {
 108         u16 s1;
 109         u8 pre_reg_data;
 110 };
 111
 112 struct atom_mc_reg_table {
 113         u8 last;
 114         u8 num_entries;
 115         struct atom_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES];
 116         struct atom_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE];
 117 };
 118
 119 #define MAX_VOLTAGE_ENTRIES 32
 120
 121 struct atom_voltage_table_entry
 122 {
 123         u16 value;
 124         u32 smio_low;
 125 };
 126
 127 struct atom_voltage_table
 128 {
 129         u32 count;
 130         u32 mask_low;
 131         u32 phase_delay;
 132         struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES];
 133 };
 134
 135 struct amdgpu_gpio_rec
 136 amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev,
 137                             u8 id);
 138
 139 struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *adev,
 140                                                           uint8_t id);
 141 void amdgpu_atombios_i2c_init(struct amdgpu_device *adev);
 142
 143 bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *adev);
 144
 145 int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev);
 146
 147 bool amdgpu_atombios_get_asic_ss_info(struct amdgpu_device *adev,
 148                                       struct amdgpu_atom_ss *ss,
 149                                       int id, u32 clock);
 150
 151 int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
 152                                        u8 clock_type,
 153                                        u32 clock,
 154                                        bool strobe_mode,
 155                                        struct atom_clock_dividers *dividers);
 156
 157 int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev,
 158                                             u32 clock,
 159                                             bool strobe_mode,
 160                                             struct atom_mpll_param *mpll_param);
 161
 162 uint32_t amdgpu_atombios_get_engine_clock(struct amdgpu_device *adev);
 163 uint32_t amdgpu_atombios_get_memory_clock(struct amdgpu_device *adev);
 164 void amdgpu_atombios_set_engine_clock(struct amdgpu_device *adev,
 165                                       uint32_t eng_clock);
 166 void amdgpu_atombios_set_memory_clock(struct amdgpu_device *adev,
 167                                       uint32_t mem_clock);
 168 void amdgpu_atombios_set_voltage(struct amdgpu_device *adev,
 169                                  u16 voltage_level,
 170                                  u8 voltage_type);
 171
 172 void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev,
 173                                              u32 eng_clock, u32 mem_clock);
 174
 175 int amdgpu_atombios_get_leakage_id_from_vbios(struct amdgpu_device *adev,
 176                                               u16 *leakage_id);
 177
 178 int amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_device *adev,
 179                                                              u16 *vddc, u16 *vddci,
 180                                                              u16 virtual_voltage_id,
 181                                                              u16 vbios_voltage_id);
 182
 183 int amdgpu_atombios_get_voltage_evv(struct amdgpu_device *adev,
 184                                     u16 virtual_voltage_id,
 185                                     u16 *voltage);
 186
 187 bool
 188 amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev,
 189                                 u8 voltage_type, u8 voltage_mode);
 190
 191 int amdgpu_atombios_get_voltage_table(struct amdgpu_device *adev,
 192                                       u8 voltage_type, u8 voltage_mode,
 193                                       struct atom_voltage_table *voltage_table);
 194
 195 int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev,
 196                                       u8 module_index,
 197                                       struct atom_mc_reg_table *reg_table);
 198
 199 void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock);
 200 void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev);
 201 void amdgpu_atombios_scratch_regs_save(struct amdgpu_device *adev);
 202 void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev);
 203
 204 void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
 205
 206 #endif