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7#include <drm/drm_print.h>
8
9#include "komeda_dev.h"
10#include "komeda_pipeline.h"
11
12
13struct komeda_pipeline *
14komeda_pipeline_add(struct komeda_dev *mdev, size_t size,
15 const struct komeda_pipeline_funcs *funcs)
16{
17 struct komeda_pipeline *pipe;
18
19 if (mdev->n_pipelines + 1 > KOMEDA_MAX_PIPELINES) {
20 DRM_ERROR("Exceed max support %d pipelines.\n",
21 KOMEDA_MAX_PIPELINES);
22 return ERR_PTR(-ENOSPC);
23 }
24
25 if (size < sizeof(*pipe)) {
26 DRM_ERROR("Request pipeline size too small.\n");
27 return ERR_PTR(-EINVAL);
28 }
29
30 pipe = devm_kzalloc(mdev->dev, size, GFP_KERNEL);
31 if (!pipe)
32 return ERR_PTR(-ENOMEM);
33
34 pipe->mdev = mdev;
35 pipe->id = mdev->n_pipelines;
36 pipe->funcs = funcs;
37
38 mdev->pipelines[mdev->n_pipelines] = pipe;
39 mdev->n_pipelines++;
40
41 return pipe;
42}
43
44void komeda_pipeline_destroy(struct komeda_dev *mdev,
45 struct komeda_pipeline *pipe)
46{
47 struct komeda_component *c;
48 int i;
49 unsigned long avail_comps = pipe->avail_comps;
50
51 for_each_set_bit(i, &avail_comps, 32) {
52 c = komeda_pipeline_get_component(pipe, i);
53 komeda_component_destroy(mdev, c);
54 }
55
56 clk_put(pipe->pxlclk);
57
58 of_node_put(pipe->of_output_links[0]);
59 of_node_put(pipe->of_output_links[1]);
60 of_node_put(pipe->of_output_port);
61 of_node_put(pipe->of_node);
62
63 devm_kfree(mdev->dev, pipe);
64}
65
66static struct komeda_component **
67komeda_pipeline_get_component_pos(struct komeda_pipeline *pipe, int id)
68{
69 struct komeda_dev *mdev = pipe->mdev;
70 struct komeda_pipeline *temp = NULL;
71 struct komeda_component **pos = NULL;
72
73 switch (id) {
74 case KOMEDA_COMPONENT_LAYER0:
75 case KOMEDA_COMPONENT_LAYER1:
76 case KOMEDA_COMPONENT_LAYER2:
77 case KOMEDA_COMPONENT_LAYER3:
78 pos = to_cpos(pipe->layers[id - KOMEDA_COMPONENT_LAYER0]);
79 break;
80 case KOMEDA_COMPONENT_WB_LAYER:
81 pos = to_cpos(pipe->wb_layer);
82 break;
83 case KOMEDA_COMPONENT_COMPIZ0:
84 case KOMEDA_COMPONENT_COMPIZ1:
85 temp = mdev->pipelines[id - KOMEDA_COMPONENT_COMPIZ0];
86 if (!temp) {
87 DRM_ERROR("compiz-%d doesn't exist.\n", id);
88 return NULL;
89 }
90 pos = to_cpos(temp->compiz);
91 break;
92 case KOMEDA_COMPONENT_SCALER0:
93 case KOMEDA_COMPONENT_SCALER1:
94 pos = to_cpos(pipe->scalers[id - KOMEDA_COMPONENT_SCALER0]);
95 break;
96 case KOMEDA_COMPONENT_SPLITTER:
97 pos = to_cpos(pipe->splitter);
98 break;
99 case KOMEDA_COMPONENT_MERGER:
100 pos = to_cpos(pipe->merger);
101 break;
102 case KOMEDA_COMPONENT_IPS0:
103 case KOMEDA_COMPONENT_IPS1:
104 temp = mdev->pipelines[id - KOMEDA_COMPONENT_IPS0];
105 if (!temp) {
106 DRM_ERROR("ips-%d doesn't exist.\n", id);
107 return NULL;
108 }
109 pos = to_cpos(temp->improc);
110 break;
111 case KOMEDA_COMPONENT_TIMING_CTRLR:
112 pos = to_cpos(pipe->ctrlr);
113 break;
114 default:
115 pos = NULL;
116 DRM_ERROR("Unknown pipeline resource ID: %d.\n", id);
117 break;
118 }
119
120 return pos;
121}
122
123struct komeda_component *
124komeda_pipeline_get_component(struct komeda_pipeline *pipe, int id)
125{
126 struct komeda_component **pos = NULL;
127 struct komeda_component *c = NULL;
128
129 pos = komeda_pipeline_get_component_pos(pipe, id);
130 if (pos)
131 c = *pos;
132
133 return c;
134}
135
136struct komeda_component *
137komeda_pipeline_get_first_component(struct komeda_pipeline *pipe,
138 u32 comp_mask)
139{
140 struct komeda_component *c = NULL;
141 unsigned long comp_mask_local = (unsigned long)comp_mask;
142 int id;
143
144 id = find_first_bit(&comp_mask_local, 32);
145 if (id < 32)
146 c = komeda_pipeline_get_component(pipe, id);
147
148 return c;
149}
150
151static struct komeda_component *
152komeda_component_pickup_input(struct komeda_component *c, u32 avail_comps)
153{
154 u32 avail_inputs = c->supported_inputs & (avail_comps);
155
156 return komeda_pipeline_get_first_component(c->pipeline, avail_inputs);
157}
158
159
160struct komeda_component *
161komeda_component_add(struct komeda_pipeline *pipe,
162 size_t comp_sz, u32 id, u32 hw_id,
163 const struct komeda_component_funcs *funcs,
164 u8 max_active_inputs, u32 supported_inputs,
165 u8 max_active_outputs, u32 __iomem *reg,
166 const char *name_fmt, ...)
167{
168 struct komeda_component **pos;
169 struct komeda_component *c;
170 int idx, *num = NULL;
171
172 if (max_active_inputs > KOMEDA_COMPONENT_N_INPUTS) {
173 WARN(1, "please large KOMEDA_COMPONENT_N_INPUTS to %d.\n",
174 max_active_inputs);
175 return ERR_PTR(-ENOSPC);
176 }
177
178 pos = komeda_pipeline_get_component_pos(pipe, id);
179 if (!pos || (*pos))
180 return ERR_PTR(-EINVAL);
181
182 if (has_bit(id, KOMEDA_PIPELINE_LAYERS)) {
183 idx = id - KOMEDA_COMPONENT_LAYER0;
184 num = &pipe->n_layers;
185 if (idx != pipe->n_layers) {
186 DRM_ERROR("please add Layer by id sequence.\n");
187 return ERR_PTR(-EINVAL);
188 }
189 } else if (has_bit(id, KOMEDA_PIPELINE_SCALERS)) {
190 idx = id - KOMEDA_COMPONENT_SCALER0;
191 num = &pipe->n_scalers;
192 if (idx != pipe->n_scalers) {
193 DRM_ERROR("please add Scaler by id sequence.\n");
194 return ERR_PTR(-EINVAL);
195 }
196 }
197
198 c = devm_kzalloc(pipe->mdev->dev, comp_sz, GFP_KERNEL);
199 if (!c)
200 return ERR_PTR(-ENOMEM);
201
202 c->id = id;
203 c->hw_id = hw_id;
204 c->reg = reg;
205 c->pipeline = pipe;
206 c->max_active_inputs = max_active_inputs;
207 c->max_active_outputs = max_active_outputs;
208 c->supported_inputs = supported_inputs;
209 c->funcs = funcs;
210
211 if (name_fmt) {
212 va_list args;
213
214 va_start(args, name_fmt);
215 vsnprintf(c->name, sizeof(c->name), name_fmt, args);
216 va_end(args);
217 }
218
219 if (num)
220 *num = *num + 1;
221
222 pipe->avail_comps |= BIT(c->id);
223 *pos = c;
224
225 return c;
226}
227
228void komeda_component_destroy(struct komeda_dev *mdev,
229 struct komeda_component *c)
230{
231 devm_kfree(mdev->dev, c);
232}
233
234static void komeda_component_dump(struct komeda_component *c)
235{
236 if (!c)
237 return;
238
239 DRM_DEBUG(" %s: ID %d-0x%08lx.\n",
240 c->name, c->id, BIT(c->id));
241 DRM_DEBUG(" max_active_inputs:%d, supported_inputs: 0x%08x.\n",
242 c->max_active_inputs, c->supported_inputs);
243 DRM_DEBUG(" max_active_outputs:%d, supported_outputs: 0x%08x.\n",
244 c->max_active_outputs, c->supported_outputs);
245}
246
247static void komeda_pipeline_dump(struct komeda_pipeline *pipe)
248{
249 struct komeda_component *c;
250 int id;
251 unsigned long avail_comps = pipe->avail_comps;
252
253 DRM_INFO("Pipeline-%d: n_layers: %d, n_scalers: %d, output: %s.\n",
254 pipe->id, pipe->n_layers, pipe->n_scalers,
255 pipe->dual_link ? "dual-link" : "single-link");
256 DRM_INFO(" output_link[0]: %s.\n",
257 pipe->of_output_links[0] ?
258 pipe->of_output_links[0]->full_name : "none");
259 DRM_INFO(" output_link[1]: %s.\n",
260 pipe->of_output_links[1] ?
261 pipe->of_output_links[1]->full_name : "none");
262
263 for_each_set_bit(id, &avail_comps, 32) {
264 c = komeda_pipeline_get_component(pipe, id);
265
266 komeda_component_dump(c);
267 }
268}
269
270static void komeda_component_verify_inputs(struct komeda_component *c)
271{
272 struct komeda_pipeline *pipe = c->pipeline;
273 struct komeda_component *input;
274 int id;
275 unsigned long supported_inputs = c->supported_inputs;
276
277 for_each_set_bit(id, &supported_inputs, 32) {
278 input = komeda_pipeline_get_component(pipe, id);
279 if (!input) {
280 c->supported_inputs &= ~(BIT(id));
281 DRM_WARN("Can not find input(ID-%d) for component: %s.\n",
282 id, c->name);
283 continue;
284 }
285
286 input->supported_outputs |= BIT(c->id);
287 }
288}
289
290static struct komeda_layer *
291komeda_get_layer_split_right_layer(struct komeda_pipeline *pipe,
292 struct komeda_layer *left)
293{
294 int index = left->base.id - KOMEDA_COMPONENT_LAYER0;
295 int i;
296
297 for (i = index + 1; i < pipe->n_layers; i++)
298 if (left->layer_type == pipe->layers[i]->layer_type)
299 return pipe->layers[i];
300 return NULL;
301}
302
303static void komeda_pipeline_assemble(struct komeda_pipeline *pipe)
304{
305 struct komeda_component *c;
306 struct komeda_layer *layer;
307 int i, id;
308 unsigned long avail_comps = pipe->avail_comps;
309
310 for_each_set_bit(id, &avail_comps, 32) {
311 c = komeda_pipeline_get_component(pipe, id);
312 komeda_component_verify_inputs(c);
313 }
314
315 for (i = 0; i < pipe->n_layers; i++) {
316 layer = pipe->layers[i];
317
318 layer->right = komeda_get_layer_split_right_layer(pipe, layer);
319 }
320
321 if (pipe->dual_link && !pipe->ctrlr->supports_dual_link) {
322 pipe->dual_link = false;
323 DRM_WARN("PIPE-%d doesn't support dual-link, ignore DT dual-link configuration.\n",
324 pipe->id);
325 }
326}
327
328
329
330
331struct komeda_pipeline *
332komeda_pipeline_get_slave(struct komeda_pipeline *master)
333{
334 struct komeda_component *slave;
335
336 slave = komeda_component_pickup_input(&master->compiz->base,
337 KOMEDA_PIPELINE_COMPIZS);
338
339 return slave ? slave->pipeline : NULL;
340}
341
342int komeda_assemble_pipelines(struct komeda_dev *mdev)
343{
344 struct komeda_pipeline *pipe;
345 int i;
346
347 for (i = 0; i < mdev->n_pipelines; i++) {
348 pipe = mdev->pipelines[i];
349
350 komeda_pipeline_assemble(pipe);
351 komeda_pipeline_dump(pipe);
352 }
353
354 return 0;
355}
356
357void komeda_pipeline_dump_register(struct komeda_pipeline *pipe,
358 struct seq_file *sf)
359{
360 struct komeda_component *c;
361 u32 id;
362 unsigned long avail_comps;
363
364 seq_printf(sf, "\n======== Pipeline-%d ==========\n", pipe->id);
365
366 if (pipe->funcs && pipe->funcs->dump_register)
367 pipe->funcs->dump_register(pipe, sf);
368
369 avail_comps = pipe->avail_comps;
370 for_each_set_bit(id, &avail_comps, 32) {
371 c = komeda_pipeline_get_component(pipe, id);
372
373 seq_printf(sf, "\n------%s------\n", c->name);
374 if (c->funcs->dump_register)
375 c->funcs->dump_register(c, sf);
376 }
377}
378
