fbdev: Garbage collect fbdev scrolling acceleration, part 1 (from TODO list)
[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_vcn.h
1 /*
2  * Copyright 2016 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_VCN_H__
25 #define __AMDGPU_VCN_H__
26
27 #define AMDGPU_VCN_STACK_SIZE           (128*1024)
28 #define AMDGPU_VCN_CONTEXT_SIZE         (512*1024)
29
30 #define AMDGPU_VCN_FIRMWARE_OFFSET      256
31 #define AMDGPU_VCN_MAX_ENC_RINGS        3
32
33 #define AMDGPU_MAX_VCN_INSTANCES        2
34 #define AMDGPU_MAX_VCN_ENC_RINGS  AMDGPU_VCN_MAX_ENC_RINGS * AMDGPU_MAX_VCN_INSTANCES
35
36 #define AMDGPU_VCN_HARVEST_VCN0 (1 << 0)
37 #define AMDGPU_VCN_HARVEST_VCN1 (1 << 1)
38
39 #define VCN_DEC_KMD_CMD                 0x80000000
40 #define VCN_DEC_CMD_FENCE               0x00000000
41 #define VCN_DEC_CMD_TRAP                0x00000001
42 #define VCN_DEC_CMD_WRITE_REG           0x00000004
43 #define VCN_DEC_CMD_REG_READ_COND_WAIT  0x00000006
44 #define VCN_DEC_CMD_PACKET_START        0x0000000a
45 #define VCN_DEC_CMD_PACKET_END          0x0000000b
46
47 #define VCN_DEC_SW_CMD_NO_OP            0x00000000
48 #define VCN_DEC_SW_CMD_END              0x00000001
49 #define VCN_DEC_SW_CMD_IB               0x00000002
50 #define VCN_DEC_SW_CMD_FENCE            0x00000003
51 #define VCN_DEC_SW_CMD_TRAP             0x00000004
52 #define VCN_DEC_SW_CMD_IB_AUTO          0x00000005
53 #define VCN_DEC_SW_CMD_SEMAPHORE        0x00000006
54 #define VCN_DEC_SW_CMD_PREEMPT_FENCE    0x00000009
55 #define VCN_DEC_SW_CMD_REG_WRITE        0x0000000b
56 #define VCN_DEC_SW_CMD_REG_WAIT         0x0000000c
57
58 #define VCN_ENC_CMD_NO_OP               0x00000000
59 #define VCN_ENC_CMD_END                 0x00000001
60 #define VCN_ENC_CMD_IB                  0x00000002
61 #define VCN_ENC_CMD_FENCE               0x00000003
62 #define VCN_ENC_CMD_TRAP                0x00000004
63 #define VCN_ENC_CMD_REG_WRITE           0x0000000b
64 #define VCN_ENC_CMD_REG_WAIT            0x0000000c
65
66 #define VCN_VID_SOC_ADDRESS_2_0         0x1fa00
67 #define VCN1_VID_SOC_ADDRESS_3_0        0x48200
68 #define VCN_AON_SOC_ADDRESS_2_0         0x1f800
69 #define VCN1_AON_SOC_ADDRESS_3_0        0x48000
70 #define VCN_VID_IP_ADDRESS_2_0          0x0
71 #define VCN_AON_IP_ADDRESS_2_0          0x30000
72
73 #define mmUVD_RBC_XX_IB_REG_CHECK                                       0x026b
74 #define mmUVD_RBC_XX_IB_REG_CHECK_BASE_IDX                              1
75 #define mmUVD_REG_XX_MASK                                               0x026c
76 #define mmUVD_REG_XX_MASK_BASE_IDX                                      1
77
78 /* 1 second timeout */
79 #define VCN_IDLE_TIMEOUT        msecs_to_jiffies(1000)
80
81 #define RREG32_SOC15_DPG_MODE_1_0(ip, inst_idx, reg, mask, sram_sel)                    \
82         ({      WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_MASK, mask);                   \
83                 WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_CTL,                           \
84                         UVD_DPG_LMA_CTL__MASK_EN_MASK |                                 \
85                         ((adev->reg_offset[ip##_HWIP][inst_idx][reg##_BASE_IDX] + reg)  \
86                         << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) |                   \
87                         (sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT));                \
88                 RREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_DATA);                         \
89         })
90
91 #define WREG32_SOC15_DPG_MODE_1_0(ip, inst_idx, reg, value, mask, sram_sel)             \
92         do {                                                                            \
93                 WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_DATA, value);                  \
94                 WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_MASK, mask);                   \
95                 WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_CTL,                           \
96                         UVD_DPG_LMA_CTL__READ_WRITE_MASK |                              \
97                         ((adev->reg_offset[ip##_HWIP][inst_idx][reg##_BASE_IDX] + reg)  \
98                         << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) |                   \
99                         (sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT));                \
100         } while (0)
101
102 #define SOC15_DPG_MODE_OFFSET(ip, inst_idx, reg)                                                \
103         ({                                                                                      \
104                 uint32_t internal_reg_offset, addr;                                             \
105                 bool video_range, video1_range, aon_range, aon1_range;                          \
106                                                                                                 \
107                 addr = (adev->reg_offset[ip##_HWIP][inst_idx][reg##_BASE_IDX] + reg);           \
108                 addr <<= 2;                                                                     \
109                 video_range = ((((0xFFFFF & addr) >= (VCN_VID_SOC_ADDRESS_2_0)) &&              \
110                                 ((0xFFFFF & addr) < ((VCN_VID_SOC_ADDRESS_2_0 + 0x2600)))));    \
111                 video1_range = ((((0xFFFFF & addr) >= (VCN1_VID_SOC_ADDRESS_3_0)) &&            \
112                                 ((0xFFFFF & addr) < ((VCN1_VID_SOC_ADDRESS_3_0 + 0x2600)))));   \
113                 aon_range   = ((((0xFFFFF & addr) >= (VCN_AON_SOC_ADDRESS_2_0)) &&              \
114                                 ((0xFFFFF & addr) < ((VCN_AON_SOC_ADDRESS_2_0 + 0x600)))));     \
115                 aon1_range   = ((((0xFFFFF & addr) >= (VCN1_AON_SOC_ADDRESS_3_0)) &&            \
116                                 ((0xFFFFF & addr) < ((VCN1_AON_SOC_ADDRESS_3_0 + 0x600)))));    \
117                 if (video_range)                                                                \
118                         internal_reg_offset = ((0xFFFFF & addr) - (VCN_VID_SOC_ADDRESS_2_0) +   \
119                                 (VCN_VID_IP_ADDRESS_2_0));                                      \
120                 else if (aon_range)                                                             \
121                         internal_reg_offset = ((0xFFFFF & addr) - (VCN_AON_SOC_ADDRESS_2_0) +   \
122                                 (VCN_AON_IP_ADDRESS_2_0));                                      \
123                 else if (video1_range)                                                          \
124                         internal_reg_offset = ((0xFFFFF & addr) - (VCN1_VID_SOC_ADDRESS_3_0) +  \
125                                 (VCN_VID_IP_ADDRESS_2_0));                                      \
126                 else if (aon1_range)                                                            \
127                         internal_reg_offset = ((0xFFFFF & addr) - (VCN1_AON_SOC_ADDRESS_3_0) +  \
128                                 (VCN_AON_IP_ADDRESS_2_0));                                      \
129                 else                                                                            \
130                         internal_reg_offset = (0xFFFFF & addr);                                 \
131                                                                                                 \
132                 internal_reg_offset >>= 2;                                                      \
133         })
134
135 #define RREG32_SOC15_DPG_MODE(inst_idx, offset, mask_en)                                        \
136         ({                                                                                      \
137                 WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_CTL,                                  \
138                         (0x0 << UVD_DPG_LMA_CTL__READ_WRITE__SHIFT |                            \
139                         mask_en << UVD_DPG_LMA_CTL__MASK_EN__SHIFT |                            \
140                         offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT));                    \
141                 RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_DATA);                                \
142         })
143
144 #define WREG32_SOC15_DPG_MODE(inst_idx, offset, value, mask_en, indirect)                       \
145         do {                                                                                    \
146                 if (!indirect) {                                                                \
147                         WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_DATA, value);                 \
148                         WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_CTL,                          \
149                                 (0x1 << UVD_DPG_LMA_CTL__READ_WRITE__SHIFT |                    \
150                                  mask_en << UVD_DPG_LMA_CTL__MASK_EN__SHIFT |                   \
151                                  offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT));           \
152                 } else {                                                                        \
153                         *adev->vcn.inst[inst_idx].dpg_sram_curr_addr++ = offset;                \
154                         *adev->vcn.inst[inst_idx].dpg_sram_curr_addr++ = value;                 \
155                 }                                                                               \
156         } while (0)
157
158 #define AMDGPU_VCN_FW_SHARED_FLAG_0_RB  (1 << 6)
159 #define AMDGPU_VCN_MULTI_QUEUE_FLAG     (1 << 8)
160 #define AMDGPU_VCN_SW_RING_FLAG         (1 << 9)
161
162 #define AMDGPU_VCN_IB_FLAG_DECODE_BUFFER        0x00000001
163 #define AMDGPU_VCN_CMD_FLAG_MSG_BUFFER          0x00000001
164
165 enum fw_queue_mode {
166         FW_QUEUE_RING_RESET = 1,
167         FW_QUEUE_DPG_HOLD_OFF = 2,
168 };
169
170 enum engine_status_constants {
171         UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON = 0x2AAAA0,
172         UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0 = 0xAAAA0,
173         UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0 = 0x2A2A8AA0,
174         UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON = 0x00000002,
175         UVD_STATUS__UVD_BUSY = 0x00000004,
176         GB_ADDR_CONFIG_DEFAULT = 0x26010011,
177         UVD_STATUS__IDLE = 0x2,
178         UVD_STATUS__BUSY = 0x5,
179         UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF = 0x1,
180         UVD_STATUS__RBC_BUSY = 0x1,
181         UVD_PGFSM_STATUS_UVDJ_PWR_ON = 0,
182 };
183
184 enum internal_dpg_state {
185         VCN_DPG_STATE__UNPAUSE = 0,
186         VCN_DPG_STATE__PAUSE,
187 };
188
189 struct dpg_pause_state {
190         enum internal_dpg_state fw_based;
191         enum internal_dpg_state jpeg;
192 };
193
194 struct amdgpu_vcn_reg{
195         unsigned        data0;
196         unsigned        data1;
197         unsigned        cmd;
198         unsigned        nop;
199         unsigned        context_id;
200         unsigned        ib_vmid;
201         unsigned        ib_bar_low;
202         unsigned        ib_bar_high;
203         unsigned        ib_size;
204         unsigned        gp_scratch8;
205         unsigned        scratch9;
206 };
207
208 struct amdgpu_vcn_inst {
209         struct amdgpu_bo        *vcpu_bo;
210         void                    *cpu_addr;
211         uint64_t                gpu_addr;
212         void                    *saved_bo;
213         struct amdgpu_ring      ring_dec;
214         struct amdgpu_ring      ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
215         atomic_t                sched_score;
216         struct amdgpu_irq_src   irq;
217         struct amdgpu_vcn_reg   external;
218         struct amdgpu_bo        *dpg_sram_bo;
219         struct dpg_pause_state  pause_state;
220         void                    *dpg_sram_cpu_addr;
221         uint64_t                dpg_sram_gpu_addr;
222         uint32_t                *dpg_sram_curr_addr;
223         atomic_t                dpg_enc_submission_cnt;
224         void                    *fw_shared_cpu_addr;
225         uint64_t                fw_shared_gpu_addr;
226 };
227
228 struct amdgpu_vcn {
229         unsigned                fw_version;
230         struct delayed_work     idle_work;
231         const struct firmware   *fw;    /* VCN firmware */
232         unsigned                num_enc_rings;
233         enum amd_powergating_state cur_state;
234         bool                    indirect_sram;
235
236         uint8_t num_vcn_inst;
237         struct amdgpu_vcn_inst   inst[AMDGPU_MAX_VCN_INSTANCES];
238         struct amdgpu_vcn_reg    internal;
239         struct mutex             vcn_pg_lock;
240         struct mutex            vcn1_jpeg1_workaround;
241         atomic_t                 total_submission_cnt;
242
243         unsigned        harvest_config;
244         int (*pause_dpg_mode)(struct amdgpu_device *adev,
245                 int inst_idx, struct dpg_pause_state *new_state);
246 };
247
248 struct amdgpu_fw_shared_rb_ptrs_struct {
249         /* to WA DPG R/W ptr issues.*/
250         uint32_t  rptr;
251         uint32_t  wptr;
252 };
253
254 struct amdgpu_fw_shared_multi_queue {
255         uint8_t decode_queue_mode;
256         uint8_t encode_generalpurpose_queue_mode;
257         uint8_t encode_lowlatency_queue_mode;
258         uint8_t encode_realtime_queue_mode;
259         uint8_t padding[4];
260 };
261
262 struct amdgpu_fw_shared_sw_ring {
263         uint8_t is_enabled;
264         uint8_t padding[3];
265 };
266
267 struct amdgpu_fw_shared {
268         uint32_t present_flag_0;
269         uint8_t pad[44];
270         struct amdgpu_fw_shared_rb_ptrs_struct rb;
271         uint8_t pad1[1];
272         struct amdgpu_fw_shared_multi_queue multi_queue;
273         struct amdgpu_fw_shared_sw_ring sw_ring;
274 };
275
276 struct amdgpu_vcn_decode_buffer {
277         uint32_t valid_buf_flag;
278         uint32_t msg_buffer_address_hi;
279         uint32_t msg_buffer_address_lo;
280         uint32_t pad[30];
281 };
282
283 #define VCN_BLOCK_ENCODE_DISABLE_MASK 0x80
284 #define VCN_BLOCK_DECODE_DISABLE_MASK 0x40
285 #define VCN_BLOCK_QUEUE_DISABLE_MASK 0xC0
286
287 enum vcn_ring_type {
288         VCN_ENCODE_RING,
289         VCN_DECODE_RING,
290         VCN_UNIFIED_RING,
291 };
292
293 int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
294 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
295 int amdgpu_vcn_suspend(struct amdgpu_device *adev);
296 int amdgpu_vcn_resume(struct amdgpu_device *adev);
297 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring);
298 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring);
299
300 bool amdgpu_vcn_is_disabled_vcn(struct amdgpu_device *adev,
301                                 enum vcn_ring_type type, uint32_t vcn_instance);
302
303 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring);
304 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
305 int amdgpu_vcn_dec_sw_ring_test_ring(struct amdgpu_ring *ring);
306 int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring *ring, long timeout);
307
308 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);
309 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout);
310
311 #endif