1 /* $NetBSD: amdgpu_fiji_baco.c,v 1.2 2021/12/18 23:45:26 riastradh Exp $ */ 2 3 /* 4 * Copyright 2019 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 #include <sys/cdefs.h> 26 __KERNEL_RCSID(0, "$NetBSD: amdgpu_fiji_baco.c,v 1.2 2021/12/18 23:45:26 riastradh Exp $"); 27 28 #include "amdgpu.h" 29 #include "fiji_baco.h" 30 31 #include "gmc/gmc_8_1_d.h" 32 #include "gmc/gmc_8_1_sh_mask.h" 33 34 #include "bif/bif_5_0_d.h" 35 #include "bif/bif_5_0_sh_mask.h" 36 37 #include "dce/dce_10_0_d.h" 38 #include "dce/dce_10_0_sh_mask.h" 39 40 #include "smu/smu_7_1_3_d.h" 41 #include "smu/smu_7_1_3_sh_mask.h" 42 43 44 static const struct baco_cmd_entry gpio_tbl[] = 45 { 46 { CMD_WRITE, mmGPIOPAD_EN, 0, 0, 0, 0x0 }, 47 { CMD_WRITE, mmGPIOPAD_PD_EN, 0, 0, 0, 0x0 }, 48 { CMD_WRITE, mmGPIOPAD_PU_EN, 0, 0, 0, 0x0 }, 49 { CMD_WRITE, mmGPIOPAD_MASK, 0, 0, 0, 0xff77ffff }, 50 { CMD_WRITE, mmDC_GPIO_DVODATA_EN, 0, 0, 0, 0x0 }, 51 { CMD_WRITE, mmDC_GPIO_DVODATA_MASK, 0, 0, 0, 0xffffffff }, 52 { CMD_WRITE, mmDC_GPIO_GENERIC_EN, 0, 0, 0, 0x0 }, 53 { CMD_READMODIFYWRITE, mmDC_GPIO_GENERIC_MASK, 0, 0, 0, 0x03333333 }, 54 { CMD_WRITE, mmDC_GPIO_SYNCA_EN, 0, 0, 0, 0x0 }, 55 { CMD_READMODIFYWRITE, mmDC_GPIO_SYNCA_MASK, 0, 0, 0, 0x00001111 } 56 }; 57 58 static const struct baco_cmd_entry enable_fb_req_rej_tbl[] = 59 { 60 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, 0xC0300024 }, 61 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, 0x1, 0x0, 0, 0x1 }, 62 { CMD_WRITE, mmBIF_FB_EN, 0, 0, 0, 0x0 } 63 }; 64 65 static const struct baco_cmd_entry use_bclk_tbl[] = 66 { 67 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixCG_SPLL_FUNC_CNTL }, 68 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, CG_SPLL_FUNC_CNTL__SPLL_BYPASS_EN_MASK, CG_SPLL_FUNC_CNTL__SPLL_BYPASS_EN__SHIFT, 0, 0x1 }, 69 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixCG_SPLL_FUNC_CNTL_2 }, 70 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, CG_SPLL_FUNC_CNTL_2__SPLL_BYPASS_CHG_MASK, CG_SPLL_FUNC_CNTL_2__SPLL_BYPASS_CHG__SHIFT, 0, 0x1 }, 71 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixCG_SPLL_STATUS }, 72 { CMD_WAITFOR, mmGCK_SMC_IND_DATA, CG_SPLL_STATUS__SPLL_CHG_STATUS_MASK, 0, 0xffffffff, 0x2 }, 73 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixCG_SPLL_FUNC_CNTL_2 }, 74 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, CG_SPLL_FUNC_CNTL_2__SPLL_BYPASS_CHG_MASK, CG_SPLL_FUNC_CNTL_2__SPLL_BYPASS_CHG__SHIFT, 0, 0x0 }, 75 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, CG_SPLL_FUNC_CNTL_2__SPLL_CTLREQ_CHG_MASK, CG_SPLL_FUNC_CNTL_2__SPLL_CTLREQ_CHG__SHIFT, 0, 0x1 }, 76 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixCG_SPLL_STATUS }, 77 { CMD_WAITFOR, mmGCK_SMC_IND_DATA, CG_SPLL_STATUS__SPLL_CHG_STATUS_MASK, 0, 0xffffffff, 0x2 }, 78 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixCG_SPLL_FUNC_CNTL_2 }, 79 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, CG_SPLL_FUNC_CNTL_2__SPLL_CTLREQ_CHG_MASK, CG_SPLL_FUNC_CNTL_2__SPLL_CTLREQ_CHG__SHIFT, 0, 0x0 }, 80 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, 0xC0500170 }, 81 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, 0x4000000, 0x1a, 0, 0x1 }, 82 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixMPLL_BYPASSCLK_SEL }, 83 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL_MASK, MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL__SHIFT, 0, 0x2 } 84 }; 85 86 static const struct baco_cmd_entry turn_off_plls_tbl[] = 87 { 88 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixCG_SPLL_FUNC_CNTL }, 89 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, CG_SPLL_FUNC_CNTL__SPLL_RESET_MASK, CG_SPLL_FUNC_CNTL__SPLL_RESET__SHIFT, 0, 0x1 }, 90 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, CG_SPLL_FUNC_CNTL__SPLL_PWRON_MASK, CG_SPLL_FUNC_CNTL__SPLL_PWRON__SHIFT, 0, 0x0 }, 91 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, 0xC0500170 }, 92 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, 0x2000000, 0x19, 0, 0x1 }, 93 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, 0x8000000, 0x1b, 0, 0x0 } 94 }; 95 96 static const struct baco_cmd_entry clk_req_b_tbl[] = 97 { 98 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixCG_CLKPIN_CNTL_2 }, 99 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, CG_CLKPIN_CNTL_2__FORCE_BIF_REFCLK_EN_MASK, CG_CLKPIN_CNTL_2__FORCE_BIF_REFCLK_EN__SHIFT, 0, 0x0 }, 100 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixMPLL_BYPASSCLK_SEL }, 101 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL_MASK, MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL__SHIFT, 0, 0x4 }, 102 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixMISC_CLK_CTRL }, 103 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, MISC_CLK_CTRL__DEEP_SLEEP_CLK_SEL_MASK, MISC_CLK_CTRL__DEEP_SLEEP_CLK_SEL__SHIFT, 0, 0x1 }, 104 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, MISC_CLK_CTRL__ZCLK_SEL_MASK, MISC_CLK_CTRL__ZCLK_SEL__SHIFT, 0, 0x1 }, 105 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixCG_CLKPIN_CNTL }, 106 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, CG_CLKPIN_CNTL__BCLK_AS_XCLK_MASK, CG_CLKPIN_CNTL__BCLK_AS_XCLK__SHIFT, 0, 0x0 }, 107 { CMD_WRITE, mmGCK_SMC_IND_INDEX, 0, 0, 0, ixTHM_CLK_CNTL }, 108 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, THM_CLK_CNTL__CMON_CLK_SEL_MASK, THM_CLK_CNTL__CMON_CLK_SEL__SHIFT, 0, 0x1 }, 109 { CMD_READMODIFYWRITE, mmGCK_SMC_IND_DATA, THM_CLK_CNTL__TMON_CLK_SEL_MASK, THM_CLK_CNTL__TMON_CLK_SEL__SHIFT, 0, 0x1 } 110 }; 111 112 static const struct baco_cmd_entry enter_baco_tbl[] = 113 { 114 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_EN_MASK, BACO_CNTL__BACO_EN__SHIFT, 0, 0x01 }, 115 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_BIF_SCLK_SWITCH_MASK, BACO_CNTL__BACO_BIF_SCLK_SWITCH__SHIFT, 0, 0x01 }, 116 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__BACO_BIF_SCLK_SWITCH_MASK, 0, 5, 0x40000 }, 117 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_BCLK_OFF_MASK, BACO_CNTL__BACO_BCLK_OFF__SHIFT, 0, 0x01 }, 118 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__BACO_BCLK_OFF_MASK, 0, 5, 0x02 }, 119 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_ISO_DIS_MASK, BACO_CNTL__BACO_ISO_DIS__SHIFT, 0, 0x00 }, 120 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__BACO_ISO_DIS_MASK, 0, 5, 0x00 }, 121 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_ANA_ISO_DIS_MASK, BACO_CNTL__BACO_ANA_ISO_DIS__SHIFT, 0, 0x00 }, 122 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__BACO_ANA_ISO_DIS_MASK, 0, 5, 0x00 }, 123 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_POWER_OFF_MASK, BACO_CNTL__BACO_POWER_OFF__SHIFT, 0, 0x01 }, 124 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__BACO_POWER_OFF_MASK, 0, 5, 0x08 }, 125 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__BACO_MODE_MASK, 0, 0xffffffff, 0x40 } 126 }; 127 128 #define BACO_CNTL__PWRGOOD_MASK BACO_CNTL__PWRGOOD_GPIO_MASK+BACO_CNTL__PWRGOOD_MEM_MASK+BACO_CNTL__PWRGOOD_DVO_MASK 129 130 static const struct baco_cmd_entry exit_baco_tbl[] = 131 { 132 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_RESET_EN_MASK, BACO_CNTL__BACO_RESET_EN__SHIFT, 0, 0x01 }, 133 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_BCLK_OFF_MASK, BACO_CNTL__BACO_BCLK_OFF__SHIFT, 0, 0x00 }, 134 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_POWER_OFF_MASK, BACO_CNTL__BACO_POWER_OFF__SHIFT, 0, 0x00 }, 135 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__PWRGOOD_BF_MASK, 0, 0xffffffff, 0x200 }, 136 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_ISO_DIS_MASK, BACO_CNTL__BACO_ISO_DIS__SHIFT, 0, 0x01 }, 137 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__PWRGOOD_MASK, 0, 5, 0x1c00 }, 138 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_ANA_ISO_DIS_MASK, BACO_CNTL__BACO_ANA_ISO_DIS__SHIFT, 0, 0x01 }, 139 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_BIF_SCLK_SWITCH_MASK, BACO_CNTL__BACO_BIF_SCLK_SWITCH__SHIFT, 0, 0x00 }, 140 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_RESET_EN_MASK, BACO_CNTL__BACO_RESET_EN__SHIFT, 0, 0x00 }, 141 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__RCU_BIF_CONFIG_DONE_MASK, 0, 5, 0x100 }, 142 { CMD_READMODIFYWRITE, mmBACO_CNTL, BACO_CNTL__BACO_EN_MASK, BACO_CNTL__BACO_EN__SHIFT, 0, 0x00 }, 143 { CMD_WAITFOR, mmBACO_CNTL, BACO_CNTL__BACO_MODE_MASK, 0, 0xffffffff, 0x00 } 144 }; 145 146 static const struct baco_cmd_entry clean_baco_tbl[] = 147 { 148 { CMD_WRITE, mmBIOS_SCRATCH_0, 0, 0, 0, 0 }, 149 { CMD_WRITE, mmBIOS_SCRATCH_1, 0, 0, 0, 0 }, 150 { CMD_WRITE, mmBIOS_SCRATCH_2, 0, 0, 0, 0 }, 151 { CMD_WRITE, mmBIOS_SCRATCH_3, 0, 0, 0, 0 }, 152 { CMD_WRITE, mmBIOS_SCRATCH_4, 0, 0, 0, 0 }, 153 { CMD_WRITE, mmBIOS_SCRATCH_5, 0, 0, 0, 0 }, 154 { CMD_WRITE, mmBIOS_SCRATCH_6, 0, 0, 0, 0 }, 155 { CMD_WRITE, mmBIOS_SCRATCH_7, 0, 0, 0, 0 }, 156 { CMD_WRITE, mmBIOS_SCRATCH_8, 0, 0, 0, 0 }, 157 { CMD_WRITE, mmBIOS_SCRATCH_9, 0, 0, 0, 0 }, 158 { CMD_WRITE, mmBIOS_SCRATCH_10, 0, 0, 0, 0 }, 159 { CMD_WRITE, mmBIOS_SCRATCH_11, 0, 0, 0, 0 }, 160 { CMD_WRITE, mmBIOS_SCRATCH_12, 0, 0, 0, 0 }, 161 { CMD_WRITE, mmBIOS_SCRATCH_13, 0, 0, 0, 0 }, 162 { CMD_WRITE, mmBIOS_SCRATCH_14, 0, 0, 0, 0 }, 163 { CMD_WRITE, mmBIOS_SCRATCH_15, 0, 0, 0, 0 } 164 }; 165 166 int fiji_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state) 167 { 168 enum BACO_STATE cur_state; 169 170 smu7_baco_get_state(hwmgr, &cur_state); 171 172 if (cur_state == state) 173 /* aisc already in the target state */ 174 return 0; 175 176 if (state == BACO_STATE_IN) { 177 baco_program_registers(hwmgr, gpio_tbl, ARRAY_SIZE(gpio_tbl)); 178 baco_program_registers(hwmgr, enable_fb_req_rej_tbl, 179 ARRAY_SIZE(enable_fb_req_rej_tbl)); 180 baco_program_registers(hwmgr, use_bclk_tbl, ARRAY_SIZE(use_bclk_tbl)); 181 baco_program_registers(hwmgr, turn_off_plls_tbl, 182 ARRAY_SIZE(turn_off_plls_tbl)); 183 baco_program_registers(hwmgr, clk_req_b_tbl, ARRAY_SIZE(clk_req_b_tbl)); 184 if (baco_program_registers(hwmgr, enter_baco_tbl, 185 ARRAY_SIZE(enter_baco_tbl))) 186 return 0; 187 188 } else if (state == BACO_STATE_OUT) { 189 /* HW requires at least 20ms between regulator off and on */ 190 msleep(20); 191 /* Execute Hardware BACO exit sequence */ 192 if (baco_program_registers(hwmgr, exit_baco_tbl, 193 ARRAY_SIZE(exit_baco_tbl))) { 194 if (baco_program_registers(hwmgr, clean_baco_tbl, 195 ARRAY_SIZE(clean_baco_tbl))) 196 return 0; 197 } 198 } 199 200 return -EINVAL; 201 } 202
Indexes created Wed Oct 01 19:09:53 GMT 2025