46 static struct snd_soc_dai *axg_fifo_dai(struct snd_pcm_substream *ss)  in axg_fifo_dai()  argument
48 	struct snd_soc_pcm_runtime *rtd = ss->private_data;  in axg_fifo_dai()
53 static struct axg_fifo *axg_fifo_data(struct snd_pcm_substream *ss)  in axg_fifo_data()  argument
55 	struct snd_soc_dai *dai = axg_fifo_dai(ss);  in axg_fifo_data()
60 static struct device *axg_fifo_dev(struct snd_pcm_substream *ss)  in axg_fifo_dev()  argument
62 	struct snd_soc_dai *dai = axg_fifo_dai(ss);  in axg_fifo_dev()
73 static int axg_fifo_pcm_trigger(struct snd_pcm_substream *ss, int cmd)  in axg_fifo_pcm_trigger()  argument
75 	struct axg_fifo *fifo = axg_fifo_data(ss);  in axg_fifo_pcm_trigger()
95 static snd_pcm_uframes_t axg_fifo_pcm_pointer(struct snd_pcm_substream *ss)  in axg_fifo_pcm_pointer()  argument
97 	struct axg_fifo *fifo = axg_fifo_data(ss);  in axg_fifo_pcm_pointer()
98 	struct snd_pcm_runtime *runtime = ss->runtime;  in axg_fifo_pcm_pointer()
106 static int axg_fifo_pcm_hw_params(struct snd_pcm_substream *ss,  in axg_fifo_pcm_hw_params()  argument
109 	struct snd_pcm_runtime *runtime = ss->runtime;  in axg_fifo_pcm_hw_params()
110 	struct axg_fifo *fifo = axg_fifo_data(ss);  in axg_fifo_pcm_hw_params()
115 	ret = snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(params));  in axg_fifo_pcm_hw_params()
136 static int axg_fifo_pcm_hw_free(struct snd_pcm_substream *ss)  in axg_fifo_pcm_hw_free()  argument
138 	struct axg_fifo *fifo = axg_fifo_data(ss);  in axg_fifo_pcm_hw_free()
144 	return snd_pcm_lib_free_pages(ss);  in axg_fifo_pcm_hw_free()
161 	struct snd_pcm_substream *ss = dev_id;  in axg_fifo_pcm_irq_block()  local
162 	struct axg_fifo *fifo = axg_fifo_data(ss);  in axg_fifo_pcm_irq_block()
169 		snd_pcm_period_elapsed(ss);  in axg_fifo_pcm_irq_block()
171 		dev_dbg(axg_fifo_dev(ss), "unexpected irq - STS 0x%02x\n",  in axg_fifo_pcm_irq_block()
180 static int axg_fifo_pcm_open(struct snd_pcm_substream *ss)  in axg_fifo_pcm_open()  argument
182 	struct axg_fifo *fifo = axg_fifo_data(ss);  in axg_fifo_pcm_open()
183 	struct device *dev = axg_fifo_dev(ss);  in axg_fifo_pcm_open()
186 	snd_soc_set_runtime_hwparams(ss, &axg_fifo_hw);  in axg_fifo_pcm_open()
192 	ret = snd_pcm_hw_constraint_step(ss->runtime, 0,  in axg_fifo_pcm_open()
198 	ret = snd_pcm_hw_constraint_step(ss->runtime, 0,  in axg_fifo_pcm_open()
205 			  dev_name(dev), ss);  in axg_fifo_pcm_open()
235 static int axg_fifo_pcm_close(struct snd_pcm_substream *ss)  in axg_fifo_pcm_close()  argument
237 	struct axg_fifo *fifo = axg_fifo_data(ss);  in axg_fifo_pcm_close()
247 	free_irq(fifo->irq, ss);  in axg_fifo_pcm_close()