42 struct rt5514_dsp {  struct
79 	struct rt5514_dsp *rt5514_dsp =  in rt5514_spi_copy_work()  local
80 		container_of(work, struct rt5514_dsp, copy_work.work);  in rt5514_spi_copy_work()
86 	mutex_lock(&rt5514_dsp->dma_lock);  in rt5514_spi_copy_work()
87 	if (!rt5514_dsp->substream) {  in rt5514_spi_copy_work()
88 		dev_err(rt5514_dsp->dev, "No pcm substream\n");  in rt5514_spi_copy_work()
92 	runtime = rt5514_dsp->substream->runtime;  in rt5514_spi_copy_work()
93 	period_bytes = snd_pcm_lib_period_bytes(rt5514_dsp->substream);  in rt5514_spi_copy_work()
95 	if (rt5514_dsp->get_size >= rt5514_dsp->buf_size) {  in rt5514_spi_copy_work()
101 		if (cur_wp >= rt5514_dsp->buf_rp)  in rt5514_spi_copy_work()
102 			remain_data = (cur_wp - rt5514_dsp->buf_rp);  in rt5514_spi_copy_work()
105 				(rt5514_dsp->buf_limit - rt5514_dsp->buf_rp) +  in rt5514_spi_copy_work()
106 				(cur_wp - rt5514_dsp->buf_base);  in rt5514_spi_copy_work()
109 			schedule_delayed_work(&rt5514_dsp->copy_work, 5);  in rt5514_spi_copy_work()
114 	if (rt5514_dsp->buf_rp + period_bytes <= rt5514_dsp->buf_limit) {  in rt5514_spi_copy_work()
115 		rt5514_spi_burst_read(rt5514_dsp->buf_rp,  in rt5514_spi_copy_work()
116 			runtime->dma_area + rt5514_dsp->dma_offset,  in rt5514_spi_copy_work()
119 		if (rt5514_dsp->buf_rp + period_bytes == rt5514_dsp->buf_limit)  in rt5514_spi_copy_work()
120 			rt5514_dsp->buf_rp = rt5514_dsp->buf_base;  in rt5514_spi_copy_work()
122 			rt5514_dsp->buf_rp += period_bytes;  in rt5514_spi_copy_work()
124 		truncated_bytes = rt5514_dsp->buf_limit - rt5514_dsp->buf_rp;  in rt5514_spi_copy_work()
125 		rt5514_spi_burst_read(rt5514_dsp->buf_rp,  in rt5514_spi_copy_work()
126 			runtime->dma_area + rt5514_dsp->dma_offset,  in rt5514_spi_copy_work()
129 		rt5514_spi_burst_read(rt5514_dsp->buf_base,  in rt5514_spi_copy_work()
130 			runtime->dma_area + rt5514_dsp->dma_offset +  in rt5514_spi_copy_work()
133 		rt5514_dsp->buf_rp = rt5514_dsp->buf_base + period_bytes -  in rt5514_spi_copy_work()
137 	rt5514_dsp->get_size += period_bytes;  in rt5514_spi_copy_work()
138 	rt5514_dsp->dma_offset += period_bytes;  in rt5514_spi_copy_work()
139 	if (rt5514_dsp->dma_offset >= runtime->dma_bytes)  in rt5514_spi_copy_work()
140 		rt5514_dsp->dma_offset = 0;  in rt5514_spi_copy_work()
142 	snd_pcm_period_elapsed(rt5514_dsp->substream);  in rt5514_spi_copy_work()
144 	schedule_delayed_work(&rt5514_dsp->copy_work, 5);  in rt5514_spi_copy_work()
147 	mutex_unlock(&rt5514_dsp->dma_lock);  in rt5514_spi_copy_work()
150 static void rt5514_schedule_copy(struct rt5514_dsp *rt5514_dsp)  in rt5514_schedule_copy()  argument
155 	if (!rt5514_dsp->substream)  in rt5514_schedule_copy()
158 	period_bytes = snd_pcm_lib_period_bytes(rt5514_dsp->substream);  in rt5514_schedule_copy()
159 	rt5514_dsp->get_size = 0;  in rt5514_schedule_copy()
168 	rt5514_dsp->buf_base = buf[0] | buf[1] << 8 | buf[2] << 16 |  in rt5514_schedule_copy()
173 	rt5514_dsp->buf_limit = buf[0] | buf[1] << 8 | buf[2] << 16 |  in rt5514_schedule_copy()
178 	rt5514_dsp->buf_rp = buf[0] | buf[1] << 8 | buf[2] << 16 |  in rt5514_schedule_copy()
181 	if (rt5514_dsp->buf_rp % 8)  in rt5514_schedule_copy()
182 		rt5514_dsp->buf_rp = (rt5514_dsp->buf_rp / 8) * 8;  in rt5514_schedule_copy()
184 	rt5514_dsp->buf_size = rt5514_dsp->buf_limit - rt5514_dsp->buf_base;  in rt5514_schedule_copy()
186 	if (rt5514_dsp->buf_size % period_bytes)  in rt5514_schedule_copy()
187 		rt5514_dsp->buf_size = (rt5514_dsp->buf_size / period_bytes) *  in rt5514_schedule_copy()
190 	if (rt5514_dsp->buf_base && rt5514_dsp->buf_limit &&  in rt5514_schedule_copy()
191 		rt5514_dsp->buf_rp && rt5514_dsp->buf_size)  in rt5514_schedule_copy()
192 		schedule_delayed_work(&rt5514_dsp->copy_work, 0);  in rt5514_schedule_copy()
197 	struct rt5514_dsp *rt5514_dsp = data;  in rt5514_spi_irq()  local
199 	rt5514_schedule_copy(rt5514_dsp);  in rt5514_spi_irq()
217 	struct rt5514_dsp *rt5514_dsp =  in rt5514_spi_hw_params()  local
222 	mutex_lock(&rt5514_dsp->dma_lock);  in rt5514_spi_hw_params()
225 	rt5514_dsp->substream = substream;  in rt5514_spi_hw_params()
226 	rt5514_dsp->dma_offset = 0;  in rt5514_spi_hw_params()
231 		rt5514_schedule_copy(rt5514_dsp);  in rt5514_spi_hw_params()
233 	mutex_unlock(&rt5514_dsp->dma_lock);  in rt5514_spi_hw_params()
242 	struct rt5514_dsp *rt5514_dsp =  in rt5514_spi_hw_free()  local
245 	mutex_lock(&rt5514_dsp->dma_lock);  in rt5514_spi_hw_free()
246 	rt5514_dsp->substream = NULL;  in rt5514_spi_hw_free()
247 	mutex_unlock(&rt5514_dsp->dma_lock);  in rt5514_spi_hw_free()
249 	cancel_delayed_work_sync(&rt5514_dsp->copy_work);  in rt5514_spi_hw_free()
260 	struct rt5514_dsp *rt5514_dsp =  in rt5514_spi_pcm_pointer()  local
263 	return bytes_to_frames(runtime, rt5514_dsp->dma_offset);  in rt5514_spi_pcm_pointer()
276 	struct rt5514_dsp *rt5514_dsp;  in rt5514_spi_pcm_probe()  local
279 	rt5514_dsp = devm_kzalloc(component->dev, sizeof(*rt5514_dsp),  in rt5514_spi_pcm_probe()
282 	rt5514_dsp->dev = &rt5514_spi->dev;  in rt5514_spi_pcm_probe()
283 	mutex_init(&rt5514_dsp->dma_lock);  in rt5514_spi_pcm_probe()
284 	INIT_DELAYED_WORK(&rt5514_dsp->copy_work, rt5514_spi_copy_work);  in rt5514_spi_pcm_probe()
285 	snd_soc_component_set_drvdata(component, rt5514_dsp);  in rt5514_spi_pcm_probe()
291 			rt5514_dsp);  in rt5514_spi_pcm_probe()
297 			device_init_wakeup(rt5514_dsp->dev, true);  in rt5514_spi_pcm_probe()
473 	struct rt5514_dsp *rt5514_dsp =  in rt5514_resume()  local
481 	if (rt5514_dsp) {  in rt5514_resume()
482 		if (rt5514_dsp->substream) {  in rt5514_resume()
486 				rt5514_schedule_copy(rt5514_dsp);  in rt5514_resume()