add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/txx9/txx9aclc.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  * Generic TXx9 ACLC platform driver
3
4
  *
..
..
@@ -5,10 +6,6 @@
5
6
  *
6
7
  * Based on RBTX49xx patch from CELF patch archive.
7
8
  * (C) Copyright TOSHIBA CORPORATION 2004-2006
8
- *
9
- * This program is free software; you can redistribute it and/or modify
10
- * it under the terms of the GNU General Public License version 2 as
11
- * published by the Free Software Foundation.
12
9
  */
13
10
 
14
11
 #include <linux/module.h>
..
..
@@ -50,18 +47,12 @@
50
47
 	.buffer_bytes_max = 32 * 1024,
51
48
 };
52
49
 
53
-static int txx9aclc_pcm_hw_params(struct snd_pcm_substream *substream,
50
+static int txx9aclc_pcm_hw_params(struct snd_soc_component *component,
51
+				  struct snd_pcm_substream *substream,
54
52
 				  struct snd_pcm_hw_params *params)
55
53
 {
56
-	struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
57
54
 	struct snd_pcm_runtime *runtime = substream->runtime;
58
-	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
59
55
 	struct txx9aclc_dmadata *dmadata = runtime->private_data;
60
-	int ret;
61
-
62
-	ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
63
-	if (ret < 0)
64
-		return ret;
65
56
 
66
57
 	dev_dbg(component->dev,
67
58
 		"runtime->dma_area = %#lx dma_addr = %#lx dma_bytes = %zd "
..
..
@@ -79,12 +70,8 @@
79
70
 	return 0;
80
71
 }
81
72
 
82
-static int txx9aclc_pcm_hw_free(struct snd_pcm_substream *substream)
83
-{
84
-	return snd_pcm_lib_free_pages(substream);
85
-}
86
-
87
-static int txx9aclc_pcm_prepare(struct snd_pcm_substream *substream)
73
+static int txx9aclc_pcm_prepare(struct snd_soc_component *component,
74
+				struct snd_pcm_substream *substream)
88
75
 {
89
76
 	struct snd_pcm_runtime *runtime = substream->runtime;
90
77
 	struct txx9aclc_dmadata *dmadata = runtime->private_data;
..
..
@@ -115,7 +102,7 @@
115
102
 	if (dmadata->frag_count >= 0) {
116
103
 		dmadata->dmacount--;
117
104
 		if (!WARN_ON(dmadata->dmacount < 0))
118
-			tasklet_schedule(&dmadata->tasklet);
105
+			queue_work(system_highpri_wq, &dmadata->work);
119
106
 	}
120
107
 	spin_unlock_irqrestore(&dmadata->dma_lock, flags);
121
108
 }
..
..
@@ -147,9 +134,10 @@
147
134
 
148
135
 #define NR_DMA_CHAIN		2
149
136
 
150
-static void txx9aclc_dma_tasklet(unsigned long data)
137
+static void txx9aclc_dma_work(struct work_struct *work)
151
138
 {
152
-	struct txx9aclc_dmadata *dmadata = (struct txx9aclc_dmadata *)data;
139
+	struct txx9aclc_dmadata *dmadata =
140
+		container_of(work, struct txx9aclc_dmadata, work);
153
141
 	struct dma_chan *chan = dmadata->dma_chan;
154
142
 	struct dma_async_tx_descriptor *desc;
155
143
 	struct snd_pcm_substream *substream = dmadata->substream;
..
..
@@ -206,7 +194,8 @@
206
194
 	spin_unlock_irqrestore(&dmadata->dma_lock, flags);
207
195
 }
208
196
 
209
-static int txx9aclc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
197
+static int txx9aclc_pcm_trigger(struct snd_soc_component *component,
198
+				struct snd_pcm_substream *substream, int cmd)
210
199
 {
211
200
 	struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;
212
201
 	struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
..
..
@@ -220,7 +209,7 @@
220
209
 	switch (cmd) {
221
210
 	case SNDRV_PCM_TRIGGER_START:
222
211
 		dmadata->frag_count = -1;
223
-		tasklet_schedule(&dmadata->tasklet);
212
+		queue_work(system_highpri_wq, &dmadata->work);
224
213
 		break;
225
214
 	case SNDRV_PCM_TRIGGER_STOP:
226
215
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
..
..
@@ -239,14 +228,16 @@
239
228
 }
240
229
 
241
230
 static snd_pcm_uframes_t
242
-txx9aclc_pcm_pointer(struct snd_pcm_substream *substream)
231
+txx9aclc_pcm_pointer(struct snd_soc_component *component,
232
+		     struct snd_pcm_substream *substream)
243
233
 {
244
234
 	struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;
245
235
 
246
236
 	return bytes_to_frames(substream->runtime, dmadata->pos);
247
237
 }
248
238
 
249
-static int txx9aclc_pcm_open(struct snd_pcm_substream *substream)
239
+static int txx9aclc_pcm_open(struct snd_soc_component *component,
240
+			     struct snd_pcm_substream *substream)
250
241
 {
251
242
 	struct txx9aclc_soc_device *dev = &txx9aclc_soc_device;
252
243
 	struct txx9aclc_dmadata *dmadata = &dev->dmadata[substream->stream];
..
..
@@ -264,7 +255,8 @@
264
255
 	return 0;
265
256
 }
266
257
 
267
-static int txx9aclc_pcm_close(struct snd_pcm_substream *substream)
258
+static int txx9aclc_pcm_close(struct snd_soc_component *component,
259
+			      struct snd_pcm_substream *substream)
268
260
 {
269
261
 	struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;
270
262
 	struct dma_chan *chan = dmadata->dma_chan;
..
..
@@ -274,23 +266,12 @@
274
266
 	return 0;
275
267
 }
276
268
 
277
-static const struct snd_pcm_ops txx9aclc_pcm_ops = {
278
-	.open		= txx9aclc_pcm_open,
279
-	.close		= txx9aclc_pcm_close,
280
-	.ioctl		= snd_pcm_lib_ioctl,
281
-	.hw_params	= txx9aclc_pcm_hw_params,
282
-	.hw_free	= txx9aclc_pcm_hw_free,
283
-	.prepare	= txx9aclc_pcm_prepare,
284
-	.trigger	= txx9aclc_pcm_trigger,
285
-	.pointer	= txx9aclc_pcm_pointer,
286
-};
287
-
288
-static int txx9aclc_pcm_new(struct snd_soc_pcm_runtime *rtd)
269
+static int txx9aclc_pcm_new(struct snd_soc_component *component,
270
+			    struct snd_soc_pcm_runtime *rtd)
289
271
 {
290
272
 	struct snd_card *card = rtd->card->snd_card;
291
-	struct snd_soc_dai *dai = rtd->cpu_dai;
273
+	struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0);
292
274
 	struct snd_pcm *pcm = rtd->pcm;
293
-	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
294
275
 	struct platform_device *pdev = to_platform_device(component->dev);
295
276
 	struct txx9aclc_soc_device *dev;
296
277
 	struct resource *r;
..
..
@@ -313,8 +294,10 @@
313
294
 		if (ret)
314
295
 			goto exit;
315
296
 	}
316
-	return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
297
+
298
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
317
299
 		card->dev, 64 * 1024, 4 * 1024 * 1024);
300
+	return 0;
318
301
 
319
302
 exit:
320
303
 	for (i = 0; i < 2; i++) {
..
..
@@ -370,8 +353,7 @@
370
353
 			"playback" : "capture");
371
354
 		return -EBUSY;
372
355
 	}
373
-	tasklet_init(&dmadata->tasklet, txx9aclc_dma_tasklet,
374
-		     (unsigned long)dmadata);
356
+	INIT_WORK(&dmadata->work, txx9aclc_dma_work);
375
357
 	return 0;
376
358
 }
377
359
 
..
..
@@ -410,8 +392,13 @@
410
392
 	.name		= DRV_NAME,
411
393
 	.probe		= txx9aclc_pcm_probe,
412
394
 	.remove		= txx9aclc_pcm_remove,
413
-	.ops		= &txx9aclc_pcm_ops,
414
-	.pcm_new	= txx9aclc_pcm_new,
395
+	.open		= txx9aclc_pcm_open,
396
+	.close		= txx9aclc_pcm_close,
397
+	.hw_params	= txx9aclc_pcm_hw_params,
398
+	.prepare	= txx9aclc_pcm_prepare,
399
+	.trigger	= txx9aclc_pcm_trigger,
400
+	.pointer	= txx9aclc_pcm_pointer,
401
+	.pcm_construct	= txx9aclc_pcm_new,
415
402
 };
416
403
 
417
404
 static int txx9aclc_soc_platform_probe(struct platform_device *pdev)