Merge tag 'amd-drm-next-5.19-2022-04-15' of https://gitlab.freedesktop.org/agd5f...
[linux-block.git] / drivers / gpu / drm / amd / amdgpu / nbio_v7_4.c
1 /*
2  * Copyright 2018 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 "amdgpu.h"
24 #include "amdgpu_atombios.h"
25 #include "nbio_v7_4.h"
26 #include "amdgpu_ras.h"
27
28 #include "nbio/nbio_7_4_offset.h"
29 #include "nbio/nbio_7_4_sh_mask.h"
30 #include "nbio/nbio_7_4_0_smn.h"
31 #include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
32 #include <uapi/linux/kfd_ioctl.h>
33
34 #define smnPCIE_LC_CNTL         0x11140280
35 #define smnPCIE_LC_CNTL3        0x111402d4
36 #define smnPCIE_LC_CNTL6        0x111402ec
37 #define smnPCIE_LC_CNTL7        0x111402f0
38 #define smnNBIF_MGCG_CTRL_LCLK  0x1013a21c
39 #define smnRCC_BIF_STRAP3       0x1012348c
40 #define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK        0x0000FFFFL
41 #define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK      0xFFFF0000L
42 #define smnRCC_BIF_STRAP5       0x10123494
43 #define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK        0x0000FFFFL
44 #define smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2       0x1014008c
45 #define BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK                     0x0400L
46 #define smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP       0x10140324
47 #define smnPSWUSP0_PCIE_LC_CNTL2                0x111402c4
48 #define smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL    0x10123538
49 #define smnRCC_BIF_STRAP2       0x10123488
50 #define RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK    0x00004000L
51 #define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT      0x0
52 #define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT    0x10
53 #define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT      0x0
54
55 /*
56  * These are nbio v7_4_1 registers mask. Temporarily define these here since
57  * nbio v7_4_1 header is incomplete.
58  */
59 #define GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK      0x00001000L /* Don't use.  Firmware uses this bit internally */
60 #define GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK      0x00002000L
61 #define GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK      0x00004000L
62 #define GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK      0x00008000L
63 #define GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK      0x00010000L
64 #define GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK      0x00020000L
65 #define GPU_HDP_FLUSH_DONE__RSVD_ENG6_MASK      0x00040000L
66 #define GPU_HDP_FLUSH_DONE__RSVD_ENG7_MASK      0x00080000L
67 #define GPU_HDP_FLUSH_DONE__RSVD_ENG8_MASK      0x00100000L
68
69 #define mmBIF_MMSCH1_DOORBELL_RANGE                     0x01dc
70 #define mmBIF_MMSCH1_DOORBELL_RANGE_BASE_IDX            2
71 //BIF_MMSCH1_DOORBELL_RANGE
72 #define BIF_MMSCH1_DOORBELL_RANGE__OFFSET__SHIFT        0x2
73 #define BIF_MMSCH1_DOORBELL_RANGE__SIZE__SHIFT          0x10
74 #define BIF_MMSCH1_DOORBELL_RANGE__OFFSET_MASK          0x00000FFCL
75 #define BIF_MMSCH1_DOORBELL_RANGE__SIZE_MASK            0x001F0000L
76
77 #define BIF_MMSCH1_DOORBELL_RANGE__OFFSET_MASK          0x00000FFCL
78 #define BIF_MMSCH1_DOORBELL_RANGE__SIZE_MASK            0x001F0000L
79
80 #define mmBIF_MMSCH1_DOORBELL_RANGE_ALDE                0x01d8
81 #define mmBIF_MMSCH1_DOORBELL_RANGE_ALDE_BASE_IDX       2
82 //BIF_MMSCH1_DOORBELL_ALDE_RANGE
83 #define BIF_MMSCH1_DOORBELL_RANGE_ALDE__OFFSET__SHIFT   0x2
84 #define BIF_MMSCH1_DOORBELL_RANGE_ALDE__SIZE__SHIFT     0x10
85 #define BIF_MMSCH1_DOORBELL_RANGE_ALDE__OFFSET_MASK     0x00000FFCL
86 #define BIF_MMSCH1_DOORBELL_RANGE_ALDE__SIZE_MASK       0x001F0000L
87
88 #define mmRCC_DEV0_EPF0_STRAP0_ALDE                     0x0015
89 #define mmRCC_DEV0_EPF0_STRAP0_ALDE_BASE_IDX            2
90
91 #define mmBIF_DOORBELL_INT_CNTL_ALDE                    0x00fe
92 #define mmBIF_DOORBELL_INT_CNTL_ALDE_BASE_IDX           2
93 #define BIF_DOORBELL_INT_CNTL_ALDE__DOORBELL_INTERRUPT_DISABLE__SHIFT   0x18
94 #define BIF_DOORBELL_INT_CNTL_ALDE__DOORBELL_INTERRUPT_DISABLE_MASK     0x01000000L
95
96 #define mmBIF_INTR_CNTL_ALDE                            0x0101
97 #define mmBIF_INTR_CNTL_ALDE_BASE_IDX                   2
98
99 static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev,
100                                         void *ras_error_status);
101
102 static void nbio_v7_4_remap_hdp_registers(struct amdgpu_device *adev)
103 {
104         WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
105                 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
106         WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
107                 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
108 }
109
110 static u32 nbio_v7_4_get_rev_id(struct amdgpu_device *adev)
111 {
112         u32 tmp;
113
114         if (adev->asic_type == CHIP_ALDEBARAN)
115                 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0_ALDE);
116         else
117                 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0);
118
119         tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
120         tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
121
122         return tmp;
123 }
124
125 static void nbio_v7_4_mc_access_enable(struct amdgpu_device *adev, bool enable)
126 {
127         if (enable)
128                 WREG32_SOC15(NBIO, 0, mmBIF_FB_EN,
129                         BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
130         else
131                 WREG32_SOC15(NBIO, 0, mmBIF_FB_EN, 0);
132 }
133
134 static u32 nbio_v7_4_get_memsize(struct amdgpu_device *adev)
135 {
136         return RREG32_SOC15(NBIO, 0, mmRCC_CONFIG_MEMSIZE);
137 }
138
139 static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
140                         bool use_doorbell, int doorbell_index, int doorbell_size)
141 {
142         u32 reg, doorbell_range;
143
144         if (instance < 2) {
145                 reg = instance +
146                         SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE);
147         } else {
148                 /*
149                  * These registers address of SDMA2~7 is not consecutive
150                  * from SDMA0~1. Need plus 4 dwords offset.
151                  *
152                  *   BIF_SDMA0_DOORBELL_RANGE:  0x3bc0
153                  *   BIF_SDMA1_DOORBELL_RANGE:  0x3bc4
154                  *   BIF_SDMA2_DOORBELL_RANGE:  0x3bd8
155 +                *   BIF_SDMA4_DOORBELL_RANGE:
156 +                *     ARCTURUS:  0x3be0
157 +                *     ALDEBARAN: 0x3be4
158                  */
159                 if (adev->asic_type == CHIP_ALDEBARAN && instance == 4)
160                         reg = instance + 0x4 + 0x1 +
161                                 SOC15_REG_OFFSET(NBIO, 0,
162                                                  mmBIF_SDMA0_DOORBELL_RANGE);
163                 else
164                         reg = instance + 0x4 +
165                                 SOC15_REG_OFFSET(NBIO, 0,
166                                                  mmBIF_SDMA0_DOORBELL_RANGE);
167         }
168
169         doorbell_range = RREG32(reg);
170
171         if (use_doorbell) {
172                 doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index);
173                 doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, doorbell_size);
174         } else
175                 doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0);
176
177         WREG32(reg, doorbell_range);
178 }
179
180 static void nbio_v7_4_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
181                                          int doorbell_index, int instance)
182 {
183         u32 reg;
184         u32 doorbell_range;
185
186         if (instance) {
187                 if (adev->asic_type == CHIP_ALDEBARAN)
188                         reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE_ALDE);
189                 else
190                         reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE);
191         } else
192                 reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE);
193
194         doorbell_range = RREG32(reg);
195
196         if (use_doorbell) {
197                 doorbell_range = REG_SET_FIELD(doorbell_range,
198                                                BIF_MMSCH0_DOORBELL_RANGE, OFFSET,
199                                                doorbell_index);
200                 doorbell_range = REG_SET_FIELD(doorbell_range,
201                                                BIF_MMSCH0_DOORBELL_RANGE, SIZE, 8);
202         } else
203                 doorbell_range = REG_SET_FIELD(doorbell_range,
204                                                BIF_MMSCH0_DOORBELL_RANGE, SIZE, 0);
205
206         WREG32(reg, doorbell_range);
207 }
208
209 static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev,
210                                                bool enable)
211 {
212         WREG32_FIELD15(NBIO, 0, RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0);
213 }
214
215 static void nbio_v7_4_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
216                                                         bool enable)
217 {
218         u32 tmp = 0;
219
220         if (enable) {
221                 tmp = REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_EN, 1) |
222                       REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_MODE, 1) |
223                       REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_SIZE, 0);
224
225                 WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_LOW,
226                              lower_32_bits(adev->doorbell.base));
227                 WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_HIGH,
228                              upper_32_bits(adev->doorbell.base));
229         }
230
231         WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_CNTL, tmp);
232 }
233
234 static void nbio_v7_4_ih_doorbell_range(struct amdgpu_device *adev,
235                                         bool use_doorbell, int doorbell_index)
236 {
237         u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0 , mmBIF_IH_DOORBELL_RANGE);
238
239         if (use_doorbell) {
240                 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index);
241                 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 4);
242         } else
243                 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 0);
244
245         WREG32_SOC15(NBIO, 0, mmBIF_IH_DOORBELL_RANGE, ih_doorbell_range);
246 }
247
248
249 static void nbio_v7_4_update_medium_grain_clock_gating(struct amdgpu_device *adev,
250                                                        bool enable)
251 {
252         //TODO: Add support for v7.4
253 }
254
255 static void nbio_v7_4_update_medium_grain_light_sleep(struct amdgpu_device *adev,
256                                                       bool enable)
257 {
258         uint32_t def, data;
259
260         def = data = RREG32_PCIE(smnPCIE_CNTL2);
261         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
262                 data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
263                          PCIE_CNTL2__MST_MEM_LS_EN_MASK |
264                          PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
265         } else {
266                 data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
267                           PCIE_CNTL2__MST_MEM_LS_EN_MASK |
268                           PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
269         }
270
271         if (def != data)
272                 WREG32_PCIE(smnPCIE_CNTL2, data);
273 }
274
275 static void nbio_v7_4_get_clockgating_state(struct amdgpu_device *adev,
276                                             u64 *flags)
277 {
278         int data;
279
280         /* AMD_CG_SUPPORT_BIF_MGCG */
281         data = RREG32_PCIE(smnCPM_CONTROL);
282         if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK)
283                 *flags |= AMD_CG_SUPPORT_BIF_MGCG;
284
285         /* AMD_CG_SUPPORT_BIF_LS */
286         data = RREG32_PCIE(smnPCIE_CNTL2);
287         if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK)
288                 *flags |= AMD_CG_SUPPORT_BIF_LS;
289 }
290
291 static void nbio_v7_4_ih_control(struct amdgpu_device *adev)
292 {
293         u32 interrupt_cntl;
294
295         /* setup interrupt control */
296         WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8);
297         interrupt_cntl = RREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL);
298         /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
299          * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
300          */
301         interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0);
302         /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
303         interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0);
304         WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL, interrupt_cntl);
305 }
306
307 static u32 nbio_v7_4_get_hdp_flush_req_offset(struct amdgpu_device *adev)
308 {
309         return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_REQ);
310 }
311
312 static u32 nbio_v7_4_get_hdp_flush_done_offset(struct amdgpu_device *adev)
313 {
314         return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_DONE);
315 }
316
317 static u32 nbio_v7_4_get_pcie_index_offset(struct amdgpu_device *adev)
318 {
319         return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX2);
320 }
321
322 static u32 nbio_v7_4_get_pcie_data_offset(struct amdgpu_device *adev)
323 {
324         return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2);
325 }
326
327 const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg = {
328         .ref_and_mask_cp0 = GPU_HDP_FLUSH_DONE__CP0_MASK,
329         .ref_and_mask_cp1 = GPU_HDP_FLUSH_DONE__CP1_MASK,
330         .ref_and_mask_cp2 = GPU_HDP_FLUSH_DONE__CP2_MASK,
331         .ref_and_mask_cp3 = GPU_HDP_FLUSH_DONE__CP3_MASK,
332         .ref_and_mask_cp4 = GPU_HDP_FLUSH_DONE__CP4_MASK,
333         .ref_and_mask_cp5 = GPU_HDP_FLUSH_DONE__CP5_MASK,
334         .ref_and_mask_cp6 = GPU_HDP_FLUSH_DONE__CP6_MASK,
335         .ref_and_mask_cp7 = GPU_HDP_FLUSH_DONE__CP7_MASK,
336         .ref_and_mask_cp8 = GPU_HDP_FLUSH_DONE__CP8_MASK,
337         .ref_and_mask_cp9 = GPU_HDP_FLUSH_DONE__CP9_MASK,
338         .ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__SDMA0_MASK,
339         .ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK,
340 };
341
342 const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg_ald = {
343         .ref_and_mask_cp0 = GPU_HDP_FLUSH_DONE__CP0_MASK,
344         .ref_and_mask_cp1 = GPU_HDP_FLUSH_DONE__CP1_MASK,
345         .ref_and_mask_cp2 = GPU_HDP_FLUSH_DONE__CP2_MASK,
346         .ref_and_mask_cp3 = GPU_HDP_FLUSH_DONE__CP3_MASK,
347         .ref_and_mask_cp4 = GPU_HDP_FLUSH_DONE__CP4_MASK,
348         .ref_and_mask_cp5 = GPU_HDP_FLUSH_DONE__CP5_MASK,
349         .ref_and_mask_cp6 = GPU_HDP_FLUSH_DONE__CP6_MASK,
350         .ref_and_mask_cp7 = GPU_HDP_FLUSH_DONE__CP7_MASK,
351         .ref_and_mask_cp8 = GPU_HDP_FLUSH_DONE__CP8_MASK,
352         .ref_and_mask_cp9 = GPU_HDP_FLUSH_DONE__CP9_MASK,
353         .ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK,
354         .ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK,
355         .ref_and_mask_sdma2 = GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK,
356         .ref_and_mask_sdma3 = GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK,
357         .ref_and_mask_sdma4 = GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK,
358         .ref_and_mask_sdma5 = GPU_HDP_FLUSH_DONE__RSVD_ENG6_MASK,
359         .ref_and_mask_sdma6 = GPU_HDP_FLUSH_DONE__RSVD_ENG7_MASK,
360         .ref_and_mask_sdma7 = GPU_HDP_FLUSH_DONE__RSVD_ENG8_MASK,
361 };
362
363 static void nbio_v7_4_init_registers(struct amdgpu_device *adev)
364 {
365         uint32_t baco_cntl;
366
367         if (amdgpu_sriov_vf(adev))
368                 adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
369                         mmBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2;
370
371         if (adev->ip_versions[NBIO_HWIP][0] == IP_VERSION(7, 4, 4) &&
372             !amdgpu_sriov_vf(adev)) {
373                 baco_cntl = RREG32_SOC15(NBIO, 0, mmBACO_CNTL);
374                 if (baco_cntl &
375                     (BACO_CNTL__BACO_DUMMY_EN_MASK | BACO_CNTL__BACO_EN_MASK)) {
376                         baco_cntl &= ~(BACO_CNTL__BACO_DUMMY_EN_MASK |
377                                        BACO_CNTL__BACO_EN_MASK);
378                         dev_dbg(adev->dev, "Unsetting baco dummy mode %x",
379                                 baco_cntl);
380                         WREG32_SOC15(NBIO, 0, mmBACO_CNTL, baco_cntl);
381                 }
382         }
383 }
384
385 static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device *adev)
386 {
387         uint32_t bif_doorbell_intr_cntl;
388         struct ras_manager *obj = amdgpu_ras_find_obj(adev, adev->nbio.ras_if);
389         struct ras_err_data err_data = {0, 0, 0, NULL};
390         struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
391
392         if (adev->asic_type == CHIP_ALDEBARAN)
393                 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE);
394         else
395                 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL);
396
397         if (REG_GET_FIELD(bif_doorbell_intr_cntl,
398                 BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_STATUS)) {
399                 /* driver has to clear the interrupt status when bif ring is disabled */
400                 bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
401                                                 BIF_DOORBELL_INT_CNTL,
402                                                 RAS_CNTLR_INTERRUPT_CLEAR, 1);
403                 if (adev->asic_type == CHIP_ALDEBARAN)
404                         WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE, bif_doorbell_intr_cntl);
405                 else
406                         WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
407
408                 if (!ras->disable_ras_err_cnt_harvest) {
409                         /*
410                          * clear error status after ras_controller_intr
411                          * according to hw team and count ue number
412                          * for query
413                          */
414                         nbio_v7_4_query_ras_error_count(adev, &err_data);
415
416                         /* logging on error cnt and printing for awareness */
417                         obj->err_data.ue_count += err_data.ue_count;
418                         obj->err_data.ce_count += err_data.ce_count;
419
420                         if (err_data.ce_count)
421                                 dev_info(adev->dev, "%ld correctable hardware "
422                                                 "errors detected in %s block, "
423                                                 "no user action is needed.\n",
424                                                 obj->err_data.ce_count,
425                                                 get_ras_block_str(adev->nbio.ras_if));
426
427                         if (err_data.ue_count)
428                                 dev_info(adev->dev, "%ld uncorrectable hardware "
429                                                 "errors detected in %s block\n",
430                                                 obj->err_data.ue_count,
431                                                 get_ras_block_str(adev->nbio.ras_if));
432                 }
433
434                 dev_info(adev->dev, "RAS controller interrupt triggered "
435                                         "by NBIF error\n");
436
437                 /* ras_controller_int is dedicated for nbif ras error,
438                  * not the global interrupt for sync flood
439                  */
440                 amdgpu_ras_reset_gpu(adev);
441         }
442 }
443
444 static void nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev)
445 {
446         uint32_t bif_doorbell_intr_cntl;
447
448         if (adev->asic_type == CHIP_ALDEBARAN)
449                 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE);
450         else
451                 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL);
452
453         if (REG_GET_FIELD(bif_doorbell_intr_cntl,
454                 BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS)) {
455                 /* driver has to clear the interrupt status when bif ring is disabled */
456                 bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
457                                                 BIF_DOORBELL_INT_CNTL,
458                                                 RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1);
459
460                 if (adev->asic_type == CHIP_ALDEBARAN)
461                         WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE, bif_doorbell_intr_cntl);
462                 else
463                         WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
464
465                 amdgpu_ras_global_ras_isr(adev);
466         }
467 }
468
469
470 static int nbio_v7_4_set_ras_controller_irq_state(struct amdgpu_device *adev,
471                                                   struct amdgpu_irq_src *src,
472                                                   unsigned type,
473                                                   enum amdgpu_interrupt_state state)
474 {
475         /* The ras_controller_irq enablement should be done in psp bl when it
476          * tries to enable ras feature. Driver only need to set the correct interrupt
477          * vector for bare-metal and sriov use case respectively
478          */
479         uint32_t bif_intr_cntl;
480
481         if (adev->asic_type == CHIP_ALDEBARAN)
482                 bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE);
483         else
484                 bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL);
485
486         if (state == AMDGPU_IRQ_STATE_ENABLE) {
487                 /* set interrupt vector select bit to 0 to select
488                  * vetcor 1 for bare metal case */
489                 bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl,
490                                               BIF_INTR_CNTL,
491                                               RAS_INTR_VEC_SEL, 0);
492
493                 if (adev->asic_type == CHIP_ALDEBARAN)
494                         WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE, bif_intr_cntl);
495                 else
496                         WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl);
497
498         }
499
500         return 0;
501 }
502
503 static int nbio_v7_4_process_ras_controller_irq(struct amdgpu_device *adev,
504                                                 struct amdgpu_irq_src *source,
505                                                 struct amdgpu_iv_entry *entry)
506 {
507         /* By design, the ih cookie for ras_controller_irq should be written
508          * to BIFring instead of general iv ring. However, due to known bif ring
509          * hw bug, it has to be disabled. There is no chance the process function
510          * will be involked. Just left it as a dummy one.
511          */
512         return 0;
513 }
514
515 static int nbio_v7_4_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev,
516                                                        struct amdgpu_irq_src *src,
517                                                        unsigned type,
518                                                        enum amdgpu_interrupt_state state)
519 {
520         /* The ras_controller_irq enablement should be done in psp bl when it
521          * tries to enable ras feature. Driver only need to set the correct interrupt
522          * vector for bare-metal and sriov use case respectively
523          */
524         uint32_t bif_intr_cntl;
525
526         if (adev->asic_type == CHIP_ALDEBARAN)
527                 bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE);
528         else
529                 bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL);
530
531         if (state == AMDGPU_IRQ_STATE_ENABLE) {
532                 /* set interrupt vector select bit to 0 to select
533                  * vetcor 1 for bare metal case */
534                 bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl,
535                                               BIF_INTR_CNTL,
536                                               RAS_INTR_VEC_SEL, 0);
537
538                 if (adev->asic_type == CHIP_ALDEBARAN)
539                         WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE, bif_intr_cntl);
540                 else
541                         WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl);
542         }
543
544         return 0;
545 }
546
547 static int nbio_v7_4_process_err_event_athub_irq(struct amdgpu_device *adev,
548                                                  struct amdgpu_irq_src *source,
549                                                  struct amdgpu_iv_entry *entry)
550 {
551         /* By design, the ih cookie for err_event_athub_irq should be written
552          * to BIFring instead of general iv ring. However, due to known bif ring
553          * hw bug, it has to be disabled. There is no chance the process function
554          * will be involked. Just left it as a dummy one.
555          */
556         return 0;
557 }
558
559 static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_controller_irq_funcs = {
560         .set = nbio_v7_4_set_ras_controller_irq_state,
561         .process = nbio_v7_4_process_ras_controller_irq,
562 };
563
564 static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_err_event_athub_irq_funcs = {
565         .set = nbio_v7_4_set_ras_err_event_athub_irq_state,
566         .process = nbio_v7_4_process_err_event_athub_irq,
567 };
568
569 static int nbio_v7_4_init_ras_controller_interrupt (struct amdgpu_device *adev)
570 {
571         int r;
572
573         /* init the irq funcs */
574         adev->nbio.ras_controller_irq.funcs =
575                 &nbio_v7_4_ras_controller_irq_funcs;
576         adev->nbio.ras_controller_irq.num_types = 1;
577
578         /* register ras controller interrupt */
579         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
580                               NBIF_7_4__SRCID__RAS_CONTROLLER_INTERRUPT,
581                               &adev->nbio.ras_controller_irq);
582
583         return r;
584 }
585
586 static int nbio_v7_4_init_ras_err_event_athub_interrupt (struct amdgpu_device *adev)
587 {
588
589         int r;
590
591         /* init the irq funcs */
592         adev->nbio.ras_err_event_athub_irq.funcs =
593                 &nbio_v7_4_ras_err_event_athub_irq_funcs;
594         adev->nbio.ras_err_event_athub_irq.num_types = 1;
595
596         /* register ras err event athub interrupt */
597         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
598                               NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT,
599                               &adev->nbio.ras_err_event_athub_irq);
600
601         return r;
602 }
603
604 #define smnPARITY_ERROR_STATUS_UNCORR_GRP2          0x13a20030
605 #define smnPARITY_ERROR_STATUS_UNCORR_GRP2_ALDE 0x13b20030
606 #define smnRAS_GLOBAL_STATUS_LO_ALDE            0x13b20020
607
608 static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev,
609                                         void *ras_error_status)
610 {
611         uint32_t global_sts, central_sts, int_eoi, parity_sts;
612         uint32_t corr, fatal, non_fatal;
613         struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
614
615         if (adev->asic_type == CHIP_ALDEBARAN)
616                 global_sts = RREG32_PCIE(smnRAS_GLOBAL_STATUS_LO_ALDE);
617         else
618                 global_sts = RREG32_PCIE(smnRAS_GLOBAL_STATUS_LO);
619
620         corr = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrCorr);
621         fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrFatal);
622         non_fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO,
623                                 ParityErrNonFatal);
624
625         if (adev->asic_type == CHIP_ALDEBARAN)
626                 parity_sts = RREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2_ALDE);
627         else
628                 parity_sts = RREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2);
629
630         if (corr)
631                 err_data->ce_count++;
632         if (fatal)
633                 err_data->ue_count++;
634
635         if (corr || fatal || non_fatal) {
636                 central_sts = RREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS);
637
638                 /* clear error status register */
639                 if (adev->asic_type == CHIP_ALDEBARAN)
640                         WREG32_PCIE(smnRAS_GLOBAL_STATUS_LO_ALDE, global_sts);
641                 else
642                         WREG32_PCIE(smnRAS_GLOBAL_STATUS_LO, global_sts);
643
644                 if (fatal)
645                 {
646                         /* clear parity fatal error indication field */
647                         if (adev->asic_type == CHIP_ALDEBARAN)
648                                 WREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2_ALDE, parity_sts);
649                         else
650                                 WREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2, parity_sts);
651                 }
652
653                 if (REG_GET_FIELD(central_sts, BIFL_RAS_CENTRAL_STATUS,
654                                 BIFL_RasContller_Intr_Recv)) {
655                         /* clear interrupt status register */
656                         WREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS, central_sts);
657                         int_eoi = RREG32_PCIE(smnIOHC_INTERRUPT_EOI);
658                         int_eoi = REG_SET_FIELD(int_eoi,
659                                         IOHC_INTERRUPT_EOI, SMI_EOI, 1);
660                         WREG32_PCIE(smnIOHC_INTERRUPT_EOI, int_eoi);
661                 }
662         }
663 }
664
665 static void nbio_v7_4_enable_doorbell_interrupt(struct amdgpu_device *adev,
666                                                 bool enable)
667 {
668         if (adev->asic_type == CHIP_ALDEBARAN)
669                 WREG32_FIELD15(NBIO, 0, BIF_DOORBELL_INT_CNTL_ALDE,
670                        DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
671         else
672                 WREG32_FIELD15(NBIO, 0, BIF_DOORBELL_INT_CNTL,
673                        DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
674 }
675
676 const struct amdgpu_ras_block_hw_ops nbio_v7_4_ras_hw_ops = {
677         .query_ras_error_count = nbio_v7_4_query_ras_error_count,
678 };
679
680 struct amdgpu_nbio_ras nbio_v7_4_ras = {
681         .ras_block = {
682                 .ras_comm = {
683                         .name = "pcie_bif",
684                         .block = AMDGPU_RAS_BLOCK__PCIE_BIF,
685                         .type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
686                 },
687                 .hw_ops = &nbio_v7_4_ras_hw_ops,
688                 .ras_late_init = amdgpu_nbio_ras_late_init,
689         },
690         .handle_ras_controller_intr_no_bifring = nbio_v7_4_handle_ras_controller_intr_no_bifring,
691         .handle_ras_err_event_athub_intr_no_bifring = nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring,
692         .init_ras_controller_interrupt = nbio_v7_4_init_ras_controller_interrupt,
693         .init_ras_err_event_athub_interrupt = nbio_v7_4_init_ras_err_event_athub_interrupt,
694 };
695
696
697 static void nbio_v7_4_program_ltr(struct amdgpu_device *adev)
698 {
699         uint32_t def, data;
700
701         WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, 0x75EB);
702
703         def = data = RREG32_PCIE(smnRCC_BIF_STRAP2);
704         data &= ~RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK;
705         if (def != data)
706                 WREG32_PCIE(smnRCC_BIF_STRAP2, data);
707
708         def = data = RREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL);
709         data &= ~EP_PCIE_TX_LTR_CNTL__LTR_PRIV_MSG_DIS_IN_PM_NON_D0_MASK;
710         if (def != data)
711                 WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, data);
712
713         def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
714         data |= BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
715         if (def != data)
716                 WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
717 }
718
719 static void nbio_v7_4_program_aspm(struct amdgpu_device *adev)
720 {
721         uint32_t def, data;
722
723         if (adev->ip_versions[NBIO_HWIP][0] == IP_VERSION(7, 4, 4))
724                 return;
725
726         def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
727         data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK;
728         data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
729         data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
730         if (def != data)
731                 WREG32_PCIE(smnPCIE_LC_CNTL, data);
732
733         def = data = RREG32_PCIE(smnPCIE_LC_CNTL7);
734         data |= PCIE_LC_CNTL7__LC_NBIF_ASPM_INPUT_EN_MASK;
735         if (def != data)
736                 WREG32_PCIE(smnPCIE_LC_CNTL7, data);
737
738         def = data = RREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK);
739         data |= NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_REG_DIS_LCLK_MASK;
740         if (def != data)
741                 WREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK, data);
742
743         def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
744         data |= PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
745         if (def != data)
746                 WREG32_PCIE(smnPCIE_LC_CNTL3, data);
747
748         def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
749         data &= ~RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK;
750         data &= ~RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK;
751         if (def != data)
752                 WREG32_PCIE(smnRCC_BIF_STRAP3, data);
753
754         def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
755         data &= ~RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK;
756         if (def != data)
757                 WREG32_PCIE(smnRCC_BIF_STRAP5, data);
758
759         def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
760         data &= ~BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
761         if (def != data)
762                 WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
763
764         WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP, 0x10011001);
765
766         def = data = RREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2);
767         data |= PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK |
768                 PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L23_MASK;
769         data &= ~PSWUSP0_PCIE_LC_CNTL2__LC_RCV_L0_TO_RCV_L0S_DIS_MASK;
770         if (def != data)
771                 WREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2, data);
772
773         def = data = RREG32_PCIE(smnPCIE_LC_CNTL6);
774         data |= PCIE_LC_CNTL6__LC_L1_POWERDOWN_MASK |
775                 PCIE_LC_CNTL6__LC_RX_L0S_STANDBY_EN_MASK;
776         if (def != data)
777                 WREG32_PCIE(smnPCIE_LC_CNTL6, data);
778
779         nbio_v7_4_program_ltr(adev);
780
781         def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
782         data |= 0x5DE0 << RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT;
783         data |= 0x0010 << RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT;
784         if (def != data)
785                 WREG32_PCIE(smnRCC_BIF_STRAP3, data);
786
787         def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
788         data |= 0x0010 << RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT;
789         if (def != data)
790                 WREG32_PCIE(smnRCC_BIF_STRAP5, data);
791
792         def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
793         data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
794         data |= 0x9 << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
795         data |= 0x1 << PCIE_LC_CNTL__LC_PMI_TO_L1_DIS__SHIFT;
796         if (def != data)
797                 WREG32_PCIE(smnPCIE_LC_CNTL, data);
798
799         def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
800         data &= ~PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
801         if (def != data)
802                 WREG32_PCIE(smnPCIE_LC_CNTL3, data);
803 }
804
805 const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
806         .get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset,
807         .get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset,
808         .get_pcie_index_offset = nbio_v7_4_get_pcie_index_offset,
809         .get_pcie_data_offset = nbio_v7_4_get_pcie_data_offset,
810         .get_rev_id = nbio_v7_4_get_rev_id,
811         .mc_access_enable = nbio_v7_4_mc_access_enable,
812         .get_memsize = nbio_v7_4_get_memsize,
813         .sdma_doorbell_range = nbio_v7_4_sdma_doorbell_range,
814         .vcn_doorbell_range = nbio_v7_4_vcn_doorbell_range,
815         .enable_doorbell_aperture = nbio_v7_4_enable_doorbell_aperture,
816         .enable_doorbell_selfring_aperture = nbio_v7_4_enable_doorbell_selfring_aperture,
817         .ih_doorbell_range = nbio_v7_4_ih_doorbell_range,
818         .enable_doorbell_interrupt = nbio_v7_4_enable_doorbell_interrupt,
819         .update_medium_grain_clock_gating = nbio_v7_4_update_medium_grain_clock_gating,
820         .update_medium_grain_light_sleep = nbio_v7_4_update_medium_grain_light_sleep,
821         .get_clockgating_state = nbio_v7_4_get_clockgating_state,
822         .ih_control = nbio_v7_4_ih_control,
823         .init_registers = nbio_v7_4_init_registers,
824         .remap_hdp_registers = nbio_v7_4_remap_hdp_registers,
825         .program_aspm =  nbio_v7_4_program_aspm,
826 };