32 static int pdacf_pcm_clear_sram(struct snd_pdacf *chip)  in pdacf_pcm_clear_sram()  argument
36 	while (inw(chip->port + PDAUDIOCF_REG_RDP) != inw(chip->port + PDAUDIOCF_REG_WDP)) {  in pdacf_pcm_clear_sram()
39 		inw(chip->port + PDAUDIOCF_REG_MD);  in pdacf_pcm_clear_sram()
49 	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);  in pdacf_pcm_trigger()  local
54 	if (chip->chip_status & PDAUDIOCF_STAT_IS_STALE)  in pdacf_pcm_trigger()
59 		chip->pcm_hwptr = 0;  in pdacf_pcm_trigger()
60 		chip->pcm_tdone = 0;  in pdacf_pcm_trigger()
67 		rate = snd_ak4117_check_rate_and_errors(chip->ak4117, AK4117_CHECK_NO_STAT|AK4117_CHECK_NO_RATE);  in pdacf_pcm_trigger()
80 	mutex_lock(&chip->reg_lock);  in pdacf_pcm_trigger()
81 	chip->pcm_running += inc;  in pdacf_pcm_trigger()
82 	tmp = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);  in pdacf_pcm_trigger()
83 	if (chip->pcm_running) {  in pdacf_pcm_trigger()
84 		if ((chip->ak4117->rcs0 & AK4117_UNLCK) || runtime->rate != rate) {  in pdacf_pcm_trigger()
85 			chip->pcm_running -= inc;  in pdacf_pcm_trigger()
92 	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, tmp);  in pdacf_pcm_trigger()
94 	mutex_unlock(&chip->reg_lock);  in pdacf_pcm_trigger()
95 	snd_ak4117_check_rate_and_errors(chip->ak4117, AK4117_CHECK_NO_RATE);  in pdacf_pcm_trigger()
122 	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);  in pdacf_pcm_prepare()  local
126 	if (chip->chip_status & PDAUDIOCF_STAT_IS_STALE)  in pdacf_pcm_prepare()
129 	chip->pcm_channels = runtime->channels;  in pdacf_pcm_prepare()
131 	chip->pcm_little = snd_pcm_format_little_endian(runtime->format) > 0;  in pdacf_pcm_prepare()
133 	chip->pcm_swab = snd_pcm_format_big_endian(runtime->format) > 0;  in pdacf_pcm_prepare()
135 	chip->pcm_swab = chip->pcm_little;  in pdacf_pcm_prepare()
139 		chip->pcm_xor = 0x80008000;  in pdacf_pcm_prepare()
141 	if (pdacf_pcm_clear_sram(chip) < 0)  in pdacf_pcm_prepare()
144 	val = nval = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);  in pdacf_pcm_prepare()
155 	chip->pcm_sample = 4;  in pdacf_pcm_prepare()
160 		chip->pcm_frame = 2;  in pdacf_pcm_prepare()
161 		chip->pcm_sample = 2;  in pdacf_pcm_prepare()
165 		chip->pcm_sample = 3;  in pdacf_pcm_prepare()
169 		chip->pcm_frame = 3;  in pdacf_pcm_prepare()
170 		chip->pcm_xor &= 0xffff0000;  in pdacf_pcm_prepare()
175 		snd_ak4117_reg_write(chip->ak4117, AK4117_REG_IO, AK4117_DIF2|AK4117_DIF1|AK4117_DIF0, aval);  in pdacf_pcm_prepare()
176 		pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, nval);  in pdacf_pcm_prepare()
179 	val = pdacf_reg_read(chip,  PDAUDIOCF_REG_IER);  in pdacf_pcm_prepare()
182 	pdacf_reg_write(chip, PDAUDIOCF_REG_IER, val);  in pdacf_pcm_prepare()
184 	chip->pcm_size = runtime->buffer_size;  in pdacf_pcm_prepare()
185 	chip->pcm_period = runtime->period_size;  in pdacf_pcm_prepare()
186 	chip->pcm_area = runtime->dma_area;  in pdacf_pcm_prepare()
230 	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);  in pdacf_pcm_capture_open()  local
232 	if (chip->chip_status & PDAUDIOCF_STAT_IS_STALE)  in pdacf_pcm_capture_open()
236 	runtime->private_data = chip;  in pdacf_pcm_capture_open()
237 	chip->pcm_substream = subs;  in pdacf_pcm_capture_open()
247 	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);  in pdacf_pcm_capture_close()  local
249 	if (!chip)  in pdacf_pcm_capture_close()
251 	pdacf_reinit(chip, 0);  in pdacf_pcm_capture_close()
252 	chip->pcm_substream = NULL;  in pdacf_pcm_capture_close()
262 	struct snd_pdacf *chip = snd_pcm_substream_chip(subs);  in pdacf_pcm_capture_pointer()  local
263 	return chip->pcm_hwptr;  in pdacf_pcm_capture_pointer()
286 int snd_pdacf_pcm_new(struct snd_pdacf *chip)  in snd_pdacf_pcm_new()  argument
291 	err = snd_pcm_new(chip->card, "PDAudioCF", 0, 0, 1, &pcm);  in snd_pdacf_pcm_new()
297 	pcm->private_data = chip;  in snd_pdacf_pcm_new()
300 	strcpy(pcm->name, chip->card->shortname);  in snd_pdacf_pcm_new()
301 	chip->pcm = pcm;  in snd_pdacf_pcm_new()
303 	err = snd_ak4117_build(chip->ak4117, pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);  in snd_pdacf_pcm_new()