linux/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h
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   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
  27struct 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
  53struct 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
  85struct atom_memory_info {
  86        u8 mem_vendor;
  87        u8 mem_type;
  88};
  89
  90#define MAX_AC_TIMING_ENTRIES 16
  91
  92struct 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
 102struct atom_mc_reg_entry {
 103        u32 mclk_max;
 104        u32 mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE];
 105};
 106
 107struct atom_mc_register_address {
 108        u16 s1;
 109        u8 pre_reg_data;
 110};
 111
 112struct 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
 121struct atom_voltage_table_entry
 122{
 123        u16 value;
 124        u32 smio_low;
 125};
 126
 127struct 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
 135struct amdgpu_gpio_rec
 136amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev,
 137                            u8 id);
 138
 139struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *adev,
 140                                                          uint8_t id);
 141void amdgpu_atombios_i2c_init(struct amdgpu_device *adev);
 142
 143bool amdgpu_atombios_has_dce_engine_info(struct amdgpu_device *adev);
 144
 145bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *adev);
 146
 147int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev);
 148
 149int amdgpu_atombios_get_gfx_info(struct amdgpu_device *adev);
 150
 151int amdgpu_atombios_get_vram_width(struct amdgpu_device *adev);
 152
 153bool amdgpu_atombios_get_asic_ss_info(struct amdgpu_device *adev,
 154                                      struct amdgpu_atom_ss *ss,
 155                                      int id, u32 clock);
 156
 157int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
 158                                       u8 clock_type,
 159                                       u32 clock,
 160                                       bool strobe_mode,
 161                                       struct atom_clock_dividers *dividers);
 162
 163int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev,
 164                                            u32 clock,
 165                                            bool strobe_mode,
 166                                            struct atom_mpll_param *mpll_param);
 167
 168void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev,
 169                                             u32 eng_clock, u32 mem_clock);
 170
 171int amdgpu_atombios_get_leakage_id_from_vbios(struct amdgpu_device *adev,
 172                                              u16 *leakage_id);
 173
 174int amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_device *adev,
 175                                                             u16 *vddc, u16 *vddci,
 176                                                             u16 virtual_voltage_id,
 177                                                             u16 vbios_voltage_id);
 178
 179int amdgpu_atombios_get_voltage_evv(struct amdgpu_device *adev,
 180                                    u16 virtual_voltage_id,
 181                                    u16 *voltage);
 182
 183bool
 184amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev,
 185                                u8 voltage_type, u8 voltage_mode);
 186
 187int amdgpu_atombios_get_voltage_table(struct amdgpu_device *adev,
 188                                      u8 voltage_type, u8 voltage_mode,
 189                                      struct atom_voltage_table *voltage_table);
 190
 191int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev,
 192                                      u8 module_index,
 193                                      struct atom_mc_reg_table *reg_table);
 194
 195bool amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device *adev);
 196
 197void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock);
 198void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev,
 199                                              bool hung);
 200bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev);
 201
 202void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
 203int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type,
 204                             u16 voltage_id, u16 *voltage);
 205int amdgpu_atombios_get_leakage_vddc_based_on_leakage_idx(struct amdgpu_device *adev,
 206                                                      u16 *voltage,
 207                                                      u16 leakage_idx);
 208void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev,
 209                                          u16 *vddc, u16 *vddci, u16 *mvdd);
 210int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
 211                                       u8 clock_type,
 212                                       u32 clock,
 213                                       bool strobe_mode,
 214                                       struct atom_clock_dividers *dividers);
 215int amdgpu_atombios_get_svi2_info(struct amdgpu_device *adev,
 216                              u8 voltage_type,
 217                              u8 *svd_gpio_id, u8 *svc_gpio_id);
 218
 219void amdgpu_atombios_fini(struct amdgpu_device *adev);
 220int amdgpu_atombios_init(struct amdgpu_device *adev);
 221
 222#endif
 223