1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
4 * Author: James.Qian.Wang <james.qian.wang@arm.com>
5 *
6 */
7
8 #include <drm/drm_blend.h>
9 #include <drm/drm_print.h>
10 #include "d71_dev.h"
11 #include "malidp_io.h"
12
get_lpu_event(struct d71_pipeline * d71_pipeline)13 static u64 get_lpu_event(struct d71_pipeline *d71_pipeline)
14 {
15 u32 __iomem *reg = d71_pipeline->lpu_addr;
16 u32 status, raw_status;
17 u64 evts = 0ULL;
18
19 raw_status = malidp_read32(reg, BLK_IRQ_RAW_STATUS);
20 if (raw_status & LPU_IRQ_IBSY)
21 evts |= KOMEDA_EVENT_IBSY;
22 if (raw_status & LPU_IRQ_EOW)
23 evts |= KOMEDA_EVENT_EOW;
24 if (raw_status & LPU_IRQ_OVR)
25 evts |= KOMEDA_EVENT_OVR;
26
27 if (raw_status & (LPU_IRQ_ERR | LPU_IRQ_IBSY | LPU_IRQ_OVR)) {
28 u32 restore = 0, tbu_status;
29 /* Check error of LPU status */
30 status = malidp_read32(reg, BLK_STATUS);
31 if (status & LPU_STATUS_AXIE) {
32 restore |= LPU_STATUS_AXIE;
33 evts |= KOMEDA_ERR_AXIE;
34 }
35 if (status & LPU_STATUS_ACE0) {
36 restore |= LPU_STATUS_ACE0;
37 evts |= KOMEDA_ERR_ACE0;
38 }
39 if (status & LPU_STATUS_ACE1) {
40 restore |= LPU_STATUS_ACE1;
41 evts |= KOMEDA_ERR_ACE1;
42 }
43 if (status & LPU_STATUS_ACE2) {
44 restore |= LPU_STATUS_ACE2;
45 evts |= KOMEDA_ERR_ACE2;
46 }
47 if (status & LPU_STATUS_ACE3) {
48 restore |= LPU_STATUS_ACE3;
49 evts |= KOMEDA_ERR_ACE3;
50 }
51 if (status & LPU_STATUS_FEMPTY) {
52 restore |= LPU_STATUS_FEMPTY;
53 evts |= KOMEDA_EVENT_EMPTY;
54 }
55 if (status & LPU_STATUS_FFULL) {
56 restore |= LPU_STATUS_FFULL;
57 evts |= KOMEDA_EVENT_FULL;
58 }
59
60 if (restore != 0)
61 malidp_write32_mask(reg, BLK_STATUS, restore, 0);
62
63 restore = 0;
64 /* Check errors of TBU status */
65 tbu_status = malidp_read32(reg, LPU_TBU_STATUS);
66 if (tbu_status & LPU_TBU_STATUS_TCF) {
67 restore |= LPU_TBU_STATUS_TCF;
68 evts |= KOMEDA_ERR_TCF;
69 }
70 if (tbu_status & LPU_TBU_STATUS_TTNG) {
71 restore |= LPU_TBU_STATUS_TTNG;
72 evts |= KOMEDA_ERR_TTNG;
73 }
74 if (tbu_status & LPU_TBU_STATUS_TITR) {
75 restore |= LPU_TBU_STATUS_TITR;
76 evts |= KOMEDA_ERR_TITR;
77 }
78 if (tbu_status & LPU_TBU_STATUS_TEMR) {
79 restore |= LPU_TBU_STATUS_TEMR;
80 evts |= KOMEDA_ERR_TEMR;
81 }
82 if (tbu_status & LPU_TBU_STATUS_TTF) {
83 restore |= LPU_TBU_STATUS_TTF;
84 evts |= KOMEDA_ERR_TTF;
85 }
86 if (restore != 0)
87 malidp_write32_mask(reg, LPU_TBU_STATUS, restore, 0);
88 }
89
90 malidp_write32(reg, BLK_IRQ_CLEAR, raw_status);
91 return evts;
92 }
93
get_cu_event(struct d71_pipeline * d71_pipeline)94 static u64 get_cu_event(struct d71_pipeline *d71_pipeline)
95 {
96 u32 __iomem *reg = d71_pipeline->cu_addr;
97 u32 status, raw_status;
98 u64 evts = 0ULL;
99
100 raw_status = malidp_read32(reg, BLK_IRQ_RAW_STATUS);
101 if (raw_status & CU_IRQ_OVR)
102 evts |= KOMEDA_EVENT_OVR;
103
104 if (raw_status & (CU_IRQ_ERR | CU_IRQ_OVR)) {
105 status = malidp_read32(reg, BLK_STATUS) & 0x7FFFFFFF;
106 if (status & CU_STATUS_CPE)
107 evts |= KOMEDA_ERR_CPE;
108 if (status & CU_STATUS_ZME)
109 evts |= KOMEDA_ERR_ZME;
110 if (status & CU_STATUS_CFGE)
111 evts |= KOMEDA_ERR_CFGE;
112 if (status)
113 malidp_write32_mask(reg, BLK_STATUS, status, 0);
114 }
115
116 malidp_write32(reg, BLK_IRQ_CLEAR, raw_status);
117
118 return evts;
119 }
120
get_dou_event(struct d71_pipeline * d71_pipeline)121 static u64 get_dou_event(struct d71_pipeline *d71_pipeline)
122 {
123 u32 __iomem *reg = d71_pipeline->dou_addr;
124 u32 status, raw_status;
125 u64 evts = 0ULL;
126
127 raw_status = malidp_read32(reg, BLK_IRQ_RAW_STATUS);
128 if (raw_status & DOU_IRQ_PL0)
129 evts |= KOMEDA_EVENT_VSYNC;
130 if (raw_status & DOU_IRQ_UND)
131 evts |= KOMEDA_EVENT_URUN;
132
133 if (raw_status & (DOU_IRQ_ERR | DOU_IRQ_UND)) {
134 u32 restore = 0;
135
136 status = malidp_read32(reg, BLK_STATUS);
137 if (status & DOU_STATUS_DRIFTTO) {
138 restore |= DOU_STATUS_DRIFTTO;
139 evts |= KOMEDA_ERR_DRIFTTO;
140 }
141 if (status & DOU_STATUS_FRAMETO) {
142 restore |= DOU_STATUS_FRAMETO;
143 evts |= KOMEDA_ERR_FRAMETO;
144 }
145 if (status & DOU_STATUS_TETO) {
146 restore |= DOU_STATUS_TETO;
147 evts |= KOMEDA_ERR_TETO;
148 }
149 if (status & DOU_STATUS_CSCE) {
150 restore |= DOU_STATUS_CSCE;
151 evts |= KOMEDA_ERR_CSCE;
152 }
153
154 if (restore != 0)
155 malidp_write32_mask(reg, BLK_STATUS, restore, 0);
156 }
157
158 malidp_write32(reg, BLK_IRQ_CLEAR, raw_status);
159 return evts;
160 }
161
get_pipeline_event(struct d71_pipeline * d71_pipeline,u32 gcu_status)162 static u64 get_pipeline_event(struct d71_pipeline *d71_pipeline, u32 gcu_status)
163 {
164 u32 evts = 0ULL;
165
166 if (gcu_status & (GLB_IRQ_STATUS_LPU0 | GLB_IRQ_STATUS_LPU1))
167 evts |= get_lpu_event(d71_pipeline);
168
169 if (gcu_status & (GLB_IRQ_STATUS_CU0 | GLB_IRQ_STATUS_CU1))
170 evts |= get_cu_event(d71_pipeline);
171
172 if (gcu_status & (GLB_IRQ_STATUS_DOU0 | GLB_IRQ_STATUS_DOU1))
173 evts |= get_dou_event(d71_pipeline);
174
175 return evts;
176 }
177
178 static irqreturn_t
d71_irq_handler(struct komeda_dev * mdev,struct komeda_events * evts)179 d71_irq_handler(struct komeda_dev *mdev, struct komeda_events *evts)
180 {
181 struct d71_dev *d71 = mdev->chip_data;
182 u32 status, gcu_status, raw_status;
183
184 gcu_status = malidp_read32(d71->gcu_addr, GLB_IRQ_STATUS);
185
186 if (gcu_status & GLB_IRQ_STATUS_GCU) {
187 raw_status = malidp_read32(d71->gcu_addr, BLK_IRQ_RAW_STATUS);
188 if (raw_status & GCU_IRQ_CVAL0)
189 evts->pipes[0] |= KOMEDA_EVENT_FLIP;
190 if (raw_status & GCU_IRQ_CVAL1)
191 evts->pipes[1] |= KOMEDA_EVENT_FLIP;
192 if (raw_status & GCU_IRQ_ERR) {
193 status = malidp_read32(d71->gcu_addr, BLK_STATUS);
194 if (status & GCU_STATUS_MERR) {
195 evts->global |= KOMEDA_ERR_MERR;
196 malidp_write32_mask(d71->gcu_addr, BLK_STATUS,
197 GCU_STATUS_MERR, 0);
198 }
199 }
200
201 malidp_write32(d71->gcu_addr, BLK_IRQ_CLEAR, raw_status);
202 }
203
204 if (gcu_status & GLB_IRQ_STATUS_PIPE0)
205 evts->pipes[0] |= get_pipeline_event(d71->pipes[0], gcu_status);
206
207 if (gcu_status & GLB_IRQ_STATUS_PIPE1)
208 evts->pipes[1] |= get_pipeline_event(d71->pipes[1], gcu_status);
209
210 return IRQ_RETVAL(gcu_status);
211 }
212
213 #define ENABLED_GCU_IRQS (GCU_IRQ_CVAL0 | GCU_IRQ_CVAL1 | \
214 GCU_IRQ_MODE | GCU_IRQ_ERR)
215 #define ENABLED_LPU_IRQS (LPU_IRQ_IBSY | LPU_IRQ_ERR | LPU_IRQ_EOW)
216 #define ENABLED_CU_IRQS (CU_IRQ_OVR | CU_IRQ_ERR)
217 #define ENABLED_DOU_IRQS (DOU_IRQ_UND | DOU_IRQ_ERR)
218
d71_enable_irq(struct komeda_dev * mdev)219 static int d71_enable_irq(struct komeda_dev *mdev)
220 {
221 struct d71_dev *d71 = mdev->chip_data;
222 struct d71_pipeline *pipe;
223 u32 i;
224
225 malidp_write32_mask(d71->gcu_addr, BLK_IRQ_MASK,
226 ENABLED_GCU_IRQS, ENABLED_GCU_IRQS);
227 for (i = 0; i < d71->num_pipelines; i++) {
228 pipe = d71->pipes[i];
229 malidp_write32_mask(pipe->cu_addr, BLK_IRQ_MASK,
230 ENABLED_CU_IRQS, ENABLED_CU_IRQS);
231 malidp_write32_mask(pipe->lpu_addr, BLK_IRQ_MASK,
232 ENABLED_LPU_IRQS, ENABLED_LPU_IRQS);
233 malidp_write32_mask(pipe->dou_addr, BLK_IRQ_MASK,
234 ENABLED_DOU_IRQS, ENABLED_DOU_IRQS);
235 }
236 return 0;
237 }
238
d71_disable_irq(struct komeda_dev * mdev)239 static int d71_disable_irq(struct komeda_dev *mdev)
240 {
241 struct d71_dev *d71 = mdev->chip_data;
242 struct d71_pipeline *pipe;
243 u32 i;
244
245 malidp_write32_mask(d71->gcu_addr, BLK_IRQ_MASK, ENABLED_GCU_IRQS, 0);
246 for (i = 0; i < d71->num_pipelines; i++) {
247 pipe = d71->pipes[i];
248 malidp_write32_mask(pipe->cu_addr, BLK_IRQ_MASK,
249 ENABLED_CU_IRQS, 0);
250 malidp_write32_mask(pipe->lpu_addr, BLK_IRQ_MASK,
251 ENABLED_LPU_IRQS, 0);
252 malidp_write32_mask(pipe->dou_addr, BLK_IRQ_MASK,
253 ENABLED_DOU_IRQS, 0);
254 }
255 return 0;
256 }
257
d71_on_off_vblank(struct komeda_dev * mdev,int master_pipe,bool on)258 static void d71_on_off_vblank(struct komeda_dev *mdev, int master_pipe, bool on)
259 {
260 struct d71_dev *d71 = mdev->chip_data;
261 struct d71_pipeline *pipe = d71->pipes[master_pipe];
262
263 malidp_write32_mask(pipe->dou_addr, BLK_IRQ_MASK,
264 DOU_IRQ_PL0, on ? DOU_IRQ_PL0 : 0);
265 }
266
to_d71_opmode(int core_mode)267 static int to_d71_opmode(int core_mode)
268 {
269 switch (core_mode) {
270 case KOMEDA_MODE_DISP0:
271 return DO0_ACTIVE_MODE;
272 case KOMEDA_MODE_DISP1:
273 return DO1_ACTIVE_MODE;
274 case KOMEDA_MODE_DUAL_DISP:
275 return DO01_ACTIVE_MODE;
276 case KOMEDA_MODE_INACTIVE:
277 return INACTIVE_MODE;
278 default:
279 WARN(1, "Unknown operation mode");
280 return INACTIVE_MODE;
281 }
282 }
283
d71_change_opmode(struct komeda_dev * mdev,int new_mode)284 static int d71_change_opmode(struct komeda_dev *mdev, int new_mode)
285 {
286 struct d71_dev *d71 = mdev->chip_data;
287 u32 opmode = to_d71_opmode(new_mode);
288 int ret;
289
290 malidp_write32_mask(d71->gcu_addr, BLK_CONTROL, 0x7, opmode);
291
292 ret = dp_wait_cond(((malidp_read32(d71->gcu_addr, BLK_CONTROL) & 0x7) == opmode),
293 100, 1000, 10000);
294
295 return ret;
296 }
297
d71_flush(struct komeda_dev * mdev,int master_pipe,u32 active_pipes)298 static void d71_flush(struct komeda_dev *mdev,
299 int master_pipe, u32 active_pipes)
300 {
301 struct d71_dev *d71 = mdev->chip_data;
302 u32 reg_offset = (master_pipe == 0) ?
303 GCU_CONFIG_VALID0 : GCU_CONFIG_VALID1;
304
305 malidp_write32(d71->gcu_addr, reg_offset, GCU_CONFIG_CVAL);
306 }
307
d71_reset(struct d71_dev * d71)308 static int d71_reset(struct d71_dev *d71)
309 {
310 u32 __iomem *gcu = d71->gcu_addr;
311 int ret;
312
313 malidp_write32(gcu, BLK_CONTROL, GCU_CONTROL_SRST);
314
315 ret = dp_wait_cond(!(malidp_read32(gcu, BLK_CONTROL) & GCU_CONTROL_SRST),
316 100, 1000, 10000);
317
318 return ret;
319 }
320
d71_read_block_header(u32 __iomem * reg,struct block_header * blk)321 void d71_read_block_header(u32 __iomem *reg, struct block_header *blk)
322 {
323 int i;
324
325 blk->block_info = malidp_read32(reg, BLK_BLOCK_INFO);
326 if (BLOCK_INFO_BLK_TYPE(blk->block_info) == D71_BLK_TYPE_RESERVED)
327 return;
328
329 blk->pipeline_info = malidp_read32(reg, BLK_PIPELINE_INFO);
330
331 /* get valid input and output ids */
332 for (i = 0; i < PIPELINE_INFO_N_VALID_INPUTS(blk->pipeline_info); i++)
333 blk->input_ids[i] = malidp_read32(reg + i, BLK_VALID_INPUT_ID0);
334 for (i = 0; i < PIPELINE_INFO_N_OUTPUTS(blk->pipeline_info); i++)
335 blk->output_ids[i] = malidp_read32(reg + i, BLK_OUTPUT_ID0);
336 }
337
d71_cleanup(struct komeda_dev * mdev)338 static void d71_cleanup(struct komeda_dev *mdev)
339 {
340 struct d71_dev *d71 = mdev->chip_data;
341
342 if (!d71)
343 return;
344
345 devm_kfree(mdev->dev, d71);
346 mdev->chip_data = NULL;
347 }
348
d71_enum_resources(struct komeda_dev * mdev)349 static int d71_enum_resources(struct komeda_dev *mdev)
350 {
351 struct d71_dev *d71;
352 struct komeda_pipeline *pipe;
353 struct block_header blk;
354 u32 __iomem *blk_base;
355 u32 i, value, offset;
356 int err;
357
358 d71 = devm_kzalloc(mdev->dev, sizeof(*d71), GFP_KERNEL);
359 if (!d71)
360 return -ENOMEM;
361
362 mdev->chip_data = d71;
363 d71->mdev = mdev;
364 d71->gcu_addr = mdev->reg_base;
365 d71->periph_addr = mdev->reg_base + (D71_BLOCK_OFFSET_PERIPH >> 2);
366
367 err = d71_reset(d71);
368 if (err) {
369 DRM_ERROR("Fail to reset d71 device.\n");
370 goto err_cleanup;
371 }
372
373 /* probe GCU */
374 value = malidp_read32(d71->gcu_addr, GLB_CORE_INFO);
375 d71->num_blocks = value & 0xFF;
376 d71->num_pipelines = (value >> 8) & 0x7;
377
378 if (d71->num_pipelines > D71_MAX_PIPELINE) {
379 DRM_ERROR("d71 supports %d pipelines, but got: %d.\n",
380 D71_MAX_PIPELINE, d71->num_pipelines);
381 err = -EINVAL;
382 goto err_cleanup;
383 }
384
385 /* Only the legacy HW has the periph block, the newer merges the periph
386 * into GCU
387 */
388 value = malidp_read32(d71->periph_addr, BLK_BLOCK_INFO);
389 if (BLOCK_INFO_BLK_TYPE(value) != D71_BLK_TYPE_PERIPH)
390 d71->periph_addr = NULL;
391
392 if (d71->periph_addr) {
393 /* probe PERIPHERAL in legacy HW */
394 value = malidp_read32(d71->periph_addr, PERIPH_CONFIGURATION_ID);
395
396 d71->max_line_size = value & PERIPH_MAX_LINE_SIZE ? 4096 : 2048;
397 d71->max_vsize = 4096;
398 d71->num_rich_layers = value & PERIPH_NUM_RICH_LAYERS ? 2 : 1;
399 d71->supports_dual_link = !!(value & PERIPH_SPLIT_EN);
400 d71->integrates_tbu = !!(value & PERIPH_TBU_EN);
401 } else {
402 value = malidp_read32(d71->gcu_addr, GCU_CONFIGURATION_ID0);
403 d71->max_line_size = GCU_MAX_LINE_SIZE(value);
404 d71->max_vsize = GCU_MAX_NUM_LINES(value);
405
406 value = malidp_read32(d71->gcu_addr, GCU_CONFIGURATION_ID1);
407 d71->num_rich_layers = GCU_NUM_RICH_LAYERS(value);
408 d71->supports_dual_link = GCU_DISPLAY_SPLIT_EN(value);
409 d71->integrates_tbu = GCU_DISPLAY_TBU_EN(value);
410 }
411
412 for (i = 0; i < d71->num_pipelines; i++) {
413 pipe = komeda_pipeline_add(mdev, sizeof(struct d71_pipeline),
414 &d71_pipeline_funcs);
415 if (IS_ERR(pipe)) {
416 err = PTR_ERR(pipe);
417 goto err_cleanup;
418 }
419
420 /* D71 HW doesn't update shadow registers when display output
421 * is turning off, so when we disable all pipeline components
422 * together with display output disable by one flush or one
423 * operation, the disable operation updated registers will not
424 * be flush to or valid in HW, which may leads problem.
425 * To workaround this problem, introduce a two phase disable.
426 * Phase1: Disabling components with display is on to make sure
427 * the disable can be flushed to HW.
428 * Phase2: Only turn-off display output.
429 */
430 value = KOMEDA_PIPELINE_IMPROCS |
431 BIT(KOMEDA_COMPONENT_TIMING_CTRLR);
432
433 pipe->standalone_disabled_comps = value;
434
435 d71->pipes[i] = to_d71_pipeline(pipe);
436 }
437
438 /* loop the register blks and probe.
439 * NOTE: d71->num_blocks includes reserved blocks.
440 * d71->num_blocks = GCU + valid blocks + reserved blocks
441 */
442 i = 1; /* exclude GCU */
443 offset = D71_BLOCK_SIZE; /* skip GCU */
444 while (i < d71->num_blocks) {
445 blk_base = mdev->reg_base + (offset >> 2);
446
447 d71_read_block_header(blk_base, &blk);
448 if (BLOCK_INFO_BLK_TYPE(blk.block_info) != D71_BLK_TYPE_RESERVED) {
449 err = d71_probe_block(d71, &blk, blk_base);
450 if (err)
451 goto err_cleanup;
452 }
453
454 i++;
455 offset += D71_BLOCK_SIZE;
456 }
457
458 DRM_DEBUG("total %d (out of %d) blocks are found.\n",
459 i, d71->num_blocks);
460
461 return 0;
462
463 err_cleanup:
464 d71_cleanup(mdev);
465 return err;
466 }
467
468 #define __HW_ID(__group, __format) \
469 ((((__group) & 0x7) << 3) | ((__format) & 0x7))
470
471 #define RICH KOMEDA_FMT_RICH_LAYER
472 #define SIMPLE KOMEDA_FMT_SIMPLE_LAYER
473 #define RICH_SIMPLE (KOMEDA_FMT_RICH_LAYER | KOMEDA_FMT_SIMPLE_LAYER)
474 #define RICH_WB (KOMEDA_FMT_RICH_LAYER | KOMEDA_FMT_WB_LAYER)
475 #define RICH_SIMPLE_WB (RICH_SIMPLE | KOMEDA_FMT_WB_LAYER)
476
477 #define Rot_0 DRM_MODE_ROTATE_0
478 #define Flip_H_V (DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y | Rot_0)
479 #define Rot_ALL_H_V (DRM_MODE_ROTATE_MASK | Flip_H_V)
480
481 #define LYT_NM BIT(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16)
482 #define LYT_WB BIT(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8)
483 #define LYT_NM_WB (LYT_NM | LYT_WB)
484
485 #define AFB_TH AFBC(_TILED | _SPARSE)
486 #define AFB_TH_SC_YTR AFBC(_TILED | _SC | _SPARSE | _YTR)
487 #define AFB_TH_SC_YTR_BS AFBC(_TILED | _SC | _SPARSE | _YTR | _SPLIT)
488
489 static struct komeda_format_caps d71_format_caps_table[] = {
490 /* HW_ID | fourcc | layer_types | rots | afbc_layouts | afbc_features */
491 /* ABGR_2101010*/
492 {__HW_ID(0, 0), DRM_FORMAT_ARGB2101010, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
493 {__HW_ID(0, 1), DRM_FORMAT_ABGR2101010, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
494 {__HW_ID(0, 1), DRM_FORMAT_ABGR2101010, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR_BS}, /* afbc */
495 {__HW_ID(0, 2), DRM_FORMAT_RGBA1010102, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
496 {__HW_ID(0, 3), DRM_FORMAT_BGRA1010102, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
497 /* ABGR_8888*/
498 {__HW_ID(1, 0), DRM_FORMAT_ARGB8888, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
499 {__HW_ID(1, 1), DRM_FORMAT_ABGR8888, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
500 {__HW_ID(1, 1), DRM_FORMAT_ABGR8888, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR_BS}, /* afbc */
501 {__HW_ID(1, 2), DRM_FORMAT_RGBA8888, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
502 {__HW_ID(1, 3), DRM_FORMAT_BGRA8888, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
503 /* XBGB_8888 */
504 {__HW_ID(2, 0), DRM_FORMAT_XRGB8888, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
505 {__HW_ID(2, 1), DRM_FORMAT_XBGR8888, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
506 {__HW_ID(2, 2), DRM_FORMAT_RGBX8888, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
507 {__HW_ID(2, 3), DRM_FORMAT_BGRX8888, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
508 /* BGR_888 */ /* none-afbc RGB888 doesn't support rotation and flip */
509 {__HW_ID(3, 0), DRM_FORMAT_RGB888, RICH_SIMPLE_WB, Rot_0, 0, 0},
510 {__HW_ID(3, 1), DRM_FORMAT_BGR888, RICH_SIMPLE_WB, Rot_0, 0, 0},
511 {__HW_ID(3, 1), DRM_FORMAT_BGR888, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR_BS}, /* afbc */
512 /* BGR 16bpp */
513 {__HW_ID(4, 0), DRM_FORMAT_RGBA5551, RICH_SIMPLE, Flip_H_V, 0, 0},
514 {__HW_ID(4, 1), DRM_FORMAT_ABGR1555, RICH_SIMPLE, Flip_H_V, 0, 0},
515 {__HW_ID(4, 1), DRM_FORMAT_ABGR1555, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR}, /* afbc */
516 {__HW_ID(4, 2), DRM_FORMAT_RGB565, RICH_SIMPLE, Flip_H_V, 0, 0},
517 {__HW_ID(4, 3), DRM_FORMAT_BGR565, RICH_SIMPLE, Flip_H_V, 0, 0},
518 {__HW_ID(4, 3), DRM_FORMAT_BGR565, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR}, /* afbc */
519 {__HW_ID(4, 4), DRM_FORMAT_R8, SIMPLE, Rot_0, 0, 0},
520 /* YUV 444/422/420 8bit */
521 {__HW_ID(5, 1), DRM_FORMAT_YUYV, RICH, Rot_ALL_H_V, LYT_NM, AFB_TH}, /* afbc */
522 {__HW_ID(5, 2), DRM_FORMAT_YUYV, RICH, Flip_H_V, 0, 0},
523 {__HW_ID(5, 3), DRM_FORMAT_UYVY, RICH, Flip_H_V, 0, 0},
524 {__HW_ID(5, 6), DRM_FORMAT_NV12, RICH, Flip_H_V, 0, 0},
525 {__HW_ID(5, 6), DRM_FORMAT_YUV420_8BIT, RICH, Rot_ALL_H_V, LYT_NM, AFB_TH}, /* afbc */
526 {__HW_ID(5, 7), DRM_FORMAT_YUV420, RICH, Flip_H_V, 0, 0},
527 /* YUV 10bit*/
528 {__HW_ID(6, 6), DRM_FORMAT_X0L2, RICH, Flip_H_V, 0, 0},
529 {__HW_ID(6, 7), DRM_FORMAT_P010, RICH, Flip_H_V, 0, 0},
530 {__HW_ID(6, 7), DRM_FORMAT_YUV420_10BIT, RICH, Rot_ALL_H_V, LYT_NM, AFB_TH},
531 };
532
d71_format_mod_supported(const struct komeda_format_caps * caps,u32 layer_type,u64 modifier,u32 rot)533 static bool d71_format_mod_supported(const struct komeda_format_caps *caps,
534 u32 layer_type, u64 modifier, u32 rot)
535 {
536 uint64_t layout = modifier & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK;
537
538 if ((layout == AFBC_FORMAT_MOD_BLOCK_SIZE_32x8) &&
539 drm_rotation_90_or_270(rot)) {
540 DRM_DEBUG_ATOMIC("D71 doesn't support ROT90 for WB-AFBC.\n");
541 return false;
542 }
543
544 return true;
545 }
546
d71_init_fmt_tbl(struct komeda_dev * mdev)547 static void d71_init_fmt_tbl(struct komeda_dev *mdev)
548 {
549 struct komeda_format_caps_table *table = &mdev->fmt_tbl;
550
551 table->format_caps = d71_format_caps_table;
552 table->format_mod_supported = d71_format_mod_supported;
553 table->n_formats = ARRAY_SIZE(d71_format_caps_table);
554 }
555
d71_connect_iommu(struct komeda_dev * mdev)556 static int d71_connect_iommu(struct komeda_dev *mdev)
557 {
558 struct d71_dev *d71 = mdev->chip_data;
559 u32 __iomem *reg = d71->gcu_addr;
560 u32 check_bits = (d71->num_pipelines == 2) ?
561 GCU_STATUS_TCS0 | GCU_STATUS_TCS1 : GCU_STATUS_TCS0;
562 int i, ret;
563
564 if (!d71->integrates_tbu)
565 return -1;
566
567 malidp_write32_mask(reg, BLK_CONTROL, 0x7, TBU_CONNECT_MODE);
568
569 ret = dp_wait_cond(has_bits(check_bits, malidp_read32(reg, BLK_STATUS)),
570 100, 1000, 1000);
571 if (ret < 0) {
572 DRM_ERROR("timed out connecting to TCU!\n");
573 malidp_write32_mask(reg, BLK_CONTROL, 0x7, INACTIVE_MODE);
574 return ret;
575 }
576
577 for (i = 0; i < d71->num_pipelines; i++)
578 malidp_write32_mask(d71->pipes[i]->lpu_addr, LPU_TBU_CONTROL,
579 LPU_TBU_CTRL_TLBPEN, LPU_TBU_CTRL_TLBPEN);
580 return 0;
581 }
582
d71_disconnect_iommu(struct komeda_dev * mdev)583 static int d71_disconnect_iommu(struct komeda_dev *mdev)
584 {
585 struct d71_dev *d71 = mdev->chip_data;
586 u32 __iomem *reg = d71->gcu_addr;
587 u32 check_bits = (d71->num_pipelines == 2) ?
588 GCU_STATUS_TCS0 | GCU_STATUS_TCS1 : GCU_STATUS_TCS0;
589 int ret;
590
591 malidp_write32_mask(reg, BLK_CONTROL, 0x7, TBU_DISCONNECT_MODE);
592
593 ret = dp_wait_cond(((malidp_read32(reg, BLK_STATUS) & check_bits) == 0),
594 100, 1000, 1000);
595 if (ret < 0) {
596 DRM_ERROR("timed out disconnecting from TCU!\n");
597 malidp_write32_mask(reg, BLK_CONTROL, 0x7, INACTIVE_MODE);
598 }
599
600 return ret;
601 }
602
603 static const struct komeda_dev_funcs d71_chip_funcs = {
604 .init_format_table = d71_init_fmt_tbl,
605 .enum_resources = d71_enum_resources,
606 .cleanup = d71_cleanup,
607 .irq_handler = d71_irq_handler,
608 .enable_irq = d71_enable_irq,
609 .disable_irq = d71_disable_irq,
610 .on_off_vblank = d71_on_off_vblank,
611 .change_opmode = d71_change_opmode,
612 .flush = d71_flush,
613 .connect_iommu = d71_connect_iommu,
614 .disconnect_iommu = d71_disconnect_iommu,
615 .dump_register = d71_dump,
616 };
617
618 const struct komeda_dev_funcs *
d71_identify(u32 __iomem * reg_base,struct komeda_chip_info * chip)619 d71_identify(u32 __iomem *reg_base, struct komeda_chip_info *chip)
620 {
621 const struct komeda_dev_funcs *funcs;
622 u32 product_id;
623
624 chip->core_id = malidp_read32(reg_base, GLB_CORE_ID);
625
626 product_id = MALIDP_CORE_ID_PRODUCT_ID(chip->core_id);
627
628 switch (product_id) {
629 case MALIDP_D71_PRODUCT_ID:
630 case MALIDP_D32_PRODUCT_ID:
631 funcs = &d71_chip_funcs;
632 break;
633 default:
634 DRM_ERROR("Unsupported product: 0x%x\n", product_id);
635 return NULL;
636 }
637
638 chip->arch_id = malidp_read32(reg_base, GLB_ARCH_ID);
639 chip->core_info = malidp_read32(reg_base, GLB_CORE_INFO);
640 chip->bus_width = D71_BUS_WIDTH_16_BYTES;
641
642 return funcs;
643 }
644