1 // SPDX-License-Identifier: GPL-2.0-only
3  *  sst_mfld_platform.c - Intel MID Platform driver
5  *  Copyright (C) 2010-2014 Intel Corp
21 #include "sst-mfld-platform.h"
28 	pr_debug("fragment elapsed by driver\n");  in sst_compr_fragment_elapsed()
37 	pr_debug("drain notify by driver\n");  in sst_drain_notify()
46 	struct snd_compr_runtime *runtime = cstream->runtime;  in sst_platform_compr_open()
51 		return -ENOMEM;  in sst_platform_compr_open()
53 	spin_lock_init(&stream->status_lock);  in sst_platform_compr_open()
56 	if (!sst || !try_module_get(sst->dev->driver->owner)) {  in sst_platform_compr_open()
58 		ret_val = -ENODEV;  in sst_platform_compr_open()
61 	stream->compr_ops = sst->compr_ops;  in sst_platform_compr_open()
62 	stream->id = 0;  in sst_platform_compr_open()
65 	sst->compr_ops->power(sst->dev, true);  in sst_platform_compr_open()
68 	runtime->private_data = stream;  in sst_platform_compr_open()
81 	stream = cstream->runtime->private_data;  in sst_platform_compr_free()
83 	sst->compr_ops->power(sst->dev, false);  in sst_platform_compr_free()
86 	str_id = stream->id;  in sst_platform_compr_free()
88 		ret_val = stream->compr_ops->close(sst->dev, str_id);  in sst_platform_compr_free()
89 	module_put(sst->dev->driver->owner);  in sst_platform_compr_free()
105 	stream = cstream->runtime->private_data;  in sst_platform_compr_set_params()
109 	/* fill the device type and stream id to pass to SST driver */  in sst_platform_compr_set_params()
115 	switch (params->codec.id) {  in sst_platform_compr_set_params()
117 		str_params.codec = SST_CODEC_TYPE_MP3;  in sst_platform_compr_set_params()
118 		str_params.sparams.uc.mp3_params.num_chan = params->codec.ch_in;  in sst_platform_compr_set_params()
124 		str_params.codec = SST_CODEC_TYPE_AAC;  in sst_platform_compr_set_params()
125 		str_params.sparams.uc.aac_params.num_chan = params->codec.ch_in;  in sst_platform_compr_set_params()
127 		if (params->codec.format == SND_AUDIOSTREAMFORMAT_MP4ADTS)  in sst_platform_compr_set_params()
130 		else if (params->codec.format == SND_AUDIOSTREAMFORMAT_RAW)  in sst_platform_compr_set_params()
134 			pr_err("Undefined format%d\n", params->codec.format);  in sst_platform_compr_set_params()
135 			return -EINVAL;  in sst_platform_compr_set_params()
138 						params->codec.sample_rate;  in sst_platform_compr_set_params()
143 		pr_err("codec not supported, id =%d\n", params->codec.id);  in sst_platform_compr_set_params()
144 		return -EINVAL;  in sst_platform_compr_set_params()
148 					virt_to_phys(cstream->runtime->buffer);  in sst_platform_compr_set_params()
150 					cstream->runtime->buffer_size;  in sst_platform_compr_set_params()
152 	str_params.aparams.frag_size = cstream->runtime->fragment_size;  in sst_platform_compr_set_params()
159 	retval = stream->compr_ops->open(sst->dev, &str_params, &cb);  in sst_platform_compr_set_params()
165 	stream->id = retval;  in sst_platform_compr_set_params()
172 	struct sst_runtime_stream *stream = cstream->runtime->private_data;  in sst_platform_compr_trigger()
176 		if (stream->compr_ops->stream_start)  in sst_platform_compr_trigger()
177 			return stream->compr_ops->stream_start(sst->dev, stream->id);  in sst_platform_compr_trigger()
180 		if (stream->compr_ops->stream_drop)  in sst_platform_compr_trigger()
181 			return stream->compr_ops->stream_drop(sst->dev, stream->id);  in sst_platform_compr_trigger()
184 		if (stream->compr_ops->stream_drain)  in sst_platform_compr_trigger()
185 			return stream->compr_ops->stream_drain(sst->dev, stream->id);  in sst_platform_compr_trigger()
188 		if (stream->compr_ops->stream_partial_drain)  in sst_platform_compr_trigger()
189 			return stream->compr_ops->stream_partial_drain(sst->dev, stream->id);  in sst_platform_compr_trigger()
192 		if (stream->compr_ops->stream_pause)  in sst_platform_compr_trigger()
193 			return stream->compr_ops->stream_pause(sst->dev, stream->id);  in sst_platform_compr_trigger()
196 		if (stream->compr_ops->stream_pause_release)  in sst_platform_compr_trigger()
197 			return stream->compr_ops->stream_pause_release(sst->dev, stream->id);  in sst_platform_compr_trigger()
200 	return -EINVAL;  in sst_platform_compr_trigger()
209 	stream  = cstream->runtime->private_data;  in sst_platform_compr_pointer()
210 	stream->compr_ops->tstamp(sst->dev, stream->id, tstamp);  in sst_platform_compr_pointer()
211 	tstamp->byte_offset = tstamp->copied_total %  in sst_platform_compr_pointer()
212 				 (u32)cstream->runtime->buffer_size;  in sst_platform_compr_pointer()
213 	pr_debug("calc bytes offset/copied bytes as %d\n", tstamp->byte_offset);  in sst_platform_compr_pointer()
223 	stream  = cstream->runtime->private_data;  in sst_platform_compr_ack()
224 	stream->compr_ops->ack(sst->dev, stream->id, (unsigned long)bytes);  in sst_platform_compr_ack()
225 	stream->bytes_written += bytes;  in sst_platform_compr_ack()
235 		cstream->runtime->private_data;  in sst_platform_compr_get_caps()
237 	return stream->compr_ops->get_caps(caps);  in sst_platform_compr_get_caps()
242 					     struct snd_compr_codec_caps *codec)  in sst_platform_compr_get_codec_caps()  argument
245 		cstream->runtime->private_data;  in sst_platform_compr_get_codec_caps()
247 	return stream->compr_ops->get_codec_caps(codec);  in sst_platform_compr_get_codec_caps()
255 		 cstream->runtime->private_data;  in sst_platform_compr_set_metadata()
257 	return stream->compr_ops->set_metadata(sst->dev, stream->id, metadata);  in sst_platform_compr_set_metadata()