1 /* 2 * Copyright 2022 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 #include <linux/firmware.h> 24 #include <drm/drm_drv.h> 25 26 #include "amdgpu.h" 27 #include "amdgpu_ucode.h" 28 #include "amdgpu_vpe.h" 29 #include "vpe_v6_1.h" 30 #include "soc15_common.h" 31 #include "ivsrcid/vpe/irqsrcs_vpe_6_1.h" 32 #include "vpe/vpe_6_1_0_offset.h" 33 #include "vpe/vpe_6_1_0_sh_mask.h" 34 35 MODULE_FIRMWARE("amdgpu/vpe_6_1_0.bin"); 36 37 #define VPE_THREAD1_UCODE_OFFSET 0x8000 38 39 static uint32_t vpe_v6_1_get_reg_offset(struct amdgpu_vpe *vpe, uint32_t inst, uint32_t offset) 40 { 41 uint32_t base; 42 43 base = vpe->ring.adev->reg_offset[VPE_HWIP][0][0]; 44 45 return base + offset; 46 } 47 48 static void vpe_v6_1_halt(struct amdgpu_vpe *vpe, bool halt) 49 { 50 struct amdgpu_device *adev = vpe->ring.adev; 51 uint32_t f32_cntl; 52 53 f32_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_F32_CNTL)); 54 f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, HALT, halt ? 1 : 0); 55 f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, TH1_RESET, halt ? 1 : 0); 56 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_F32_CNTL), f32_cntl); 57 } 58 59 static int vpe_v6_1_irq_init(struct amdgpu_vpe *vpe) 60 { 61 struct amdgpu_device *adev = container_of(vpe, struct amdgpu_device, vpe); 62 int ret; 63 64 ret = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_VPE, 65 VPE_6_1_SRCID__VPE_TRAP, 66 &adev->vpe.trap_irq); 67 if (ret) 68 return ret; 69 70 return 0; 71 } 72 73 static int vpe_v6_1_load_microcode(struct amdgpu_vpe *vpe) 74 { 75 struct amdgpu_device *adev = vpe->ring.adev; 76 const struct vpe_firmware_header_v1_0 *vpe_hdr; 77 const __le32 *data; 78 uint32_t ucode_offset[2], ucode_size[2]; 79 uint32_t i, size_dw; 80 uint32_t ret; 81 82 // disable UMSCH_INT_ENABLE 83 ret = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL)); 84 ret = REG_SET_FIELD(ret, VPEC_CNTL, UMSCH_INT_ENABLE, 0); 85 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL), ret); 86 87 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 88 uint32_t f32_offset, f32_cntl; 89 90 f32_offset = vpe_get_reg_offset(vpe, 0, regVPEC_F32_CNTL); 91 f32_cntl = RREG32(f32_offset); 92 f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, HALT, 0); 93 f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, TH1_RESET, 0); 94 95 adev->vpe.cmdbuf_cpu_addr[0] = f32_offset; 96 adev->vpe.cmdbuf_cpu_addr[1] = f32_cntl; 97 98 amdgpu_vpe_psp_update_sram(adev); 99 return 0; 100 } 101 102 vpe_hdr = (const struct vpe_firmware_header_v1_0 *)adev->vpe.fw->data; 103 104 /* Thread 0(command thread) ucode offset/size */ 105 ucode_offset[0] = le32_to_cpu(vpe_hdr->header.ucode_array_offset_bytes); 106 ucode_size[0] = le32_to_cpu(vpe_hdr->ctx_ucode_size_bytes); 107 /* Thread 1(control thread) ucode offset/size */ 108 ucode_offset[1] = le32_to_cpu(vpe_hdr->ctl_ucode_offset); 109 ucode_size[1] = le32_to_cpu(vpe_hdr->ctl_ucode_size_bytes); 110 111 vpe_v6_1_halt(vpe, true); 112 113 for (i = 0; i < 2; i++) { 114 if (i > 0) 115 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_UCODE_ADDR), VPE_THREAD1_UCODE_OFFSET); 116 else 117 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_UCODE_ADDR), 0); 118 119 data = (const __le32 *)(adev->vpe.fw->data + ucode_offset[i]); 120 size_dw = ucode_size[i] / sizeof(__le32); 121 122 while (size_dw--) { 123 if (amdgpu_emu_mode && size_dw % 500 == 0) 124 msleep(1); 125 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_UCODE_DATA), le32_to_cpup(data++)); 126 } 127 128 } 129 130 vpe_v6_1_halt(vpe, false); 131 132 return 0; 133 } 134 135 static int vpe_v6_1_ring_start(struct amdgpu_vpe *vpe) 136 { 137 struct amdgpu_ring *ring = &vpe->ring; 138 struct amdgpu_device *adev = ring->adev; 139 uint32_t rb_bufsz, rb_cntl; 140 uint32_t ib_cntl; 141 uint32_t doorbell, doorbell_offset; 142 int ret; 143 144 rb_bufsz = order_base_2(ring->ring_size / 4); 145 rb_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_CNTL)); 146 rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_SIZE, rb_bufsz); 147 rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_PRIV, 1); 148 rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_VMID, 0); 149 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_CNTL), rb_cntl); 150 151 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_RPTR), 0); 152 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_RPTR_HI), 0); 153 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_WPTR), 0); 154 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_WPTR_HI), 0); 155 156 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_RPTR_ADDR_LO), 157 lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC); 158 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_RPTR_ADDR_HI), 159 upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF); 160 161 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_BASE), ring->gpu_addr >> 8); 162 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_BASE_HI), ring->gpu_addr >> 40); 163 164 ring->wptr = 0; 165 166 /* before programing wptr to a less value, need set minor_ptr_update first */ 167 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_MINOR_PTR_UPDATE), 1); 168 169 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_WPTR), lower_32_bits(ring->wptr) << 2); 170 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_WPTR_HI), upper_32_bits(ring->wptr) << 2); 171 172 /* set minor_ptr_update to 0 after wptr programed */ 173 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_MINOR_PTR_UPDATE), 0); 174 175 doorbell = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_DOORBELL)); 176 doorbell_offset = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_DOORBELL_OFFSET)); 177 178 doorbell = REG_SET_FIELD(doorbell, VPEC_QUEUE0_DOORBELL, ENABLE, ring->use_doorbell ? 1 : 0); 179 doorbell_offset = REG_SET_FIELD(doorbell_offset, VPEC_QUEUE0_DOORBELL_OFFSET, OFFSET, ring->doorbell_index); 180 181 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_DOORBELL), doorbell); 182 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_DOORBELL_OFFSET), doorbell_offset); 183 184 adev->nbio.funcs->vpe_doorbell_range(adev, 0, ring->use_doorbell, ring->doorbell_index, 2); 185 186 rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); 187 rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_ENABLE, 1); 188 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_CNTL), rb_cntl); 189 190 ib_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_IB_CNTL)); 191 ib_cntl = REG_SET_FIELD(ib_cntl, VPEC_QUEUE0_IB_CNTL, IB_ENABLE, 1); 192 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_IB_CNTL), ib_cntl); 193 194 ring->sched.ready = true; 195 196 ret = amdgpu_ring_test_helper(ring); 197 if (ret) { 198 ring->sched.ready = false; 199 return ret; 200 } 201 202 return 0; 203 } 204 205 static int vpe_v_6_1_ring_stop(struct amdgpu_vpe *vpe) 206 { 207 struct amdgpu_device *adev = vpe->ring.adev; 208 uint32_t queue_reset; 209 int ret; 210 211 queue_reset = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE_RESET_REQ)); 212 queue_reset = REG_SET_FIELD(queue_reset, VPEC_QUEUE_RESET_REQ, QUEUE0_RESET, 1); 213 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE_RESET_REQ), queue_reset); 214 215 ret = SOC15_WAIT_ON_RREG(VPE, 0, regVPEC_QUEUE_RESET_REQ, 0, 216 VPEC_QUEUE_RESET_REQ__QUEUE0_RESET_MASK); 217 if (ret) 218 dev_err(adev->dev, "VPE queue reset failed\n"); 219 220 vpe->ring.sched.ready = false; 221 222 return ret; 223 } 224 225 static int vpe_v6_1_set_trap_irq_state(struct amdgpu_device *adev, 226 struct amdgpu_irq_src *source, 227 unsigned int type, 228 enum amdgpu_interrupt_state state) 229 { 230 struct amdgpu_vpe *vpe = &adev->vpe; 231 uint32_t vpe_cntl; 232 233 vpe_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL)); 234 vpe_cntl = REG_SET_FIELD(vpe_cntl, VPEC_CNTL, TRAP_ENABLE, 235 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 236 WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL), vpe_cntl); 237 238 return 0; 239 } 240 241 static int vpe_v6_1_process_trap_irq(struct amdgpu_device *adev, 242 struct amdgpu_irq_src *source, 243 struct amdgpu_iv_entry *entry) 244 { 245 246 dev_dbg(adev->dev, "IH: VPE trap\n"); 247 248 switch (entry->client_id) { 249 case SOC21_IH_CLIENTID_VPE: 250 amdgpu_fence_process(&adev->vpe.ring); 251 break; 252 default: 253 break; 254 } 255 256 return 0; 257 } 258 259 static int vpe_v6_1_set_regs(struct amdgpu_vpe *vpe) 260 { 261 vpe->regs.queue0_rb_rptr_lo = regVPEC_QUEUE0_RB_RPTR; 262 vpe->regs.queue0_rb_rptr_hi = regVPEC_QUEUE0_RB_RPTR_HI; 263 vpe->regs.queue0_rb_wptr_lo = regVPEC_QUEUE0_RB_WPTR; 264 vpe->regs.queue0_rb_wptr_hi = regVPEC_QUEUE0_RB_WPTR_HI; 265 vpe->regs.queue0_preempt = regVPEC_QUEUE0_PREEMPT; 266 267 return 0; 268 } 269 270 static const struct vpe_funcs vpe_v6_1_funcs = { 271 .get_reg_offset = vpe_v6_1_get_reg_offset, 272 .set_regs = vpe_v6_1_set_regs, 273 .irq_init = vpe_v6_1_irq_init, 274 .init_microcode = amdgpu_vpe_init_microcode, 275 .load_microcode = vpe_v6_1_load_microcode, 276 .ring_init = amdgpu_vpe_ring_init, 277 .ring_start = vpe_v6_1_ring_start, 278 .ring_stop = vpe_v_6_1_ring_stop, 279 .ring_fini = amdgpu_vpe_ring_fini, 280 }; 281 282 static const struct amdgpu_irq_src_funcs vpe_v6_1_trap_irq_funcs = { 283 .set = vpe_v6_1_set_trap_irq_state, 284 .process = vpe_v6_1_process_trap_irq, 285 }; 286 287 void vpe_v6_1_set_funcs(struct amdgpu_vpe *vpe) 288 { 289 vpe->funcs = &vpe_v6_1_funcs; 290 vpe->trap_irq.funcs = &vpe_v6_1_trap_irq_funcs; 291 } 292