2  *  Support for Digigram Lola PCI-e boards
18  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
30 	unsigned int freq;  in lola_sample_rate_convert()  local
33 	switch (coded & 0x3) {  in lola_sample_rate_convert()
34 	case 0:     freq = 48000; break;  in lola_sample_rate_convert()
35 	case 1:     freq = 44100; break;  in lola_sample_rate_convert()
36 	case 2:     freq = 32000; break;  in lola_sample_rate_convert()
41 	switch (coded & 0x1c) {  in lola_sample_rate_convert()
44 	case (1 << 2):    freq *= 2; break;  in lola_sample_rate_convert()
45 	case (2 << 2):    freq *= 4; break;  in lola_sample_rate_convert()
46 	case (5 << 2):    freq /= 2; break;  in lola_sample_rate_convert()
47 	case (6 << 2):    freq /= 4; break;  in lola_sample_rate_convert()
52 	switch (coded & 0x60) {  in lola_sample_rate_convert()
54 	case (1 << 5):    freq = (freq * 999) / 1000; break;  in lola_sample_rate_convert()
55 	case (2 << 5):    freq = (freq * 1001) / 1000; break;  in lola_sample_rate_convert()
58 	return freq;  in lola_sample_rate_convert()
70 					   unsigned int freq)  in check_gran_clock_compatibility()  argument
72 	if (!chip->granularity)  in check_gran_clock_compatibility()
80 		if (freq > LOLA_MAXFREQ_AT_GRANULARITY_MIN)  in check_gran_clock_compatibility()
83 		if (freq > LOLA_MAXFREQ_AT_GRANULARITY_BELOW_MAX)  in check_gran_clock_compatibility()
94 		if (val == chip->granularity)  in lola_set_granularity()
98 		if (chip->audio_in_alloc_mask || chip->audio_out_alloc_mask)  in lola_set_granularity()
99 			return -EBUSY;  in lola_set_granularity()
102 						    chip->clock.cur_freq))  in lola_set_granularity()
103 			return -EINVAL;  in lola_set_granularity()
106 	chip->granularity = val;  in lola_set_granularity()
131 		dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);  in lola_init_clock_widget()
136 		dev_dbg(chip->card->dev, "No valid clock widget\n");  in lola_init_clock_widget()
140 	chip->clock.nid = nid;  in lola_init_clock_widget()
141 	chip->clock.items = val & 0xff;  in lola_init_clock_widget()
142 	dev_dbg(chip->card->dev, "clock_list nid=%x, entries=%d\n", nid,  in lola_init_clock_widget()
143 		    chip->clock.items);  in lola_init_clock_widget()
144 	if (chip->clock.items > MAX_SAMPLE_CLOCK_COUNT) {  in lola_init_clock_widget()
145 		dev_err(chip->card->dev, "CLOCK_LIST too big: %d\n",  in lola_init_clock_widget()
146 		       chip->clock.items);  in lola_init_clock_widget()
147 		return -EINVAL;  in lola_init_clock_widget()
150 	nitems = chip->clock.items;  in lola_init_clock_widget()
161 			dev_err(chip->card->dev, "Can't read CLOCK_LIST\n");  in lola_init_clock_widget()
162 			return -EINVAL;  in lola_init_clock_widget()
172 			unsigned int freq = items[j] & 0xff;  in lola_init_clock_widget()  local
176 				freq = lola_sample_rate_convert(freq);  in lola_init_clock_widget()
177 				if (freq < chip->sample_rate_min)  in lola_init_clock_widget()
179 				else if (freq == 48000) {  in lola_init_clock_widget()
180 					chip->clock.cur_index = idx_list;  in lola_init_clock_widget()
181 					chip->clock.cur_freq = 48000;  in lola_init_clock_widget()
182 					chip->clock.cur_valid = true;  in lola_init_clock_widget()
185 				freq = lola_sample_rate_convert(freq);  in lola_init_clock_widget()
186 				if (freq < chip->sample_rate_min)  in lola_init_clock_widget()
196 				sc = &chip->clock.sample_clock[idx_list];  in lola_init_clock_widget()
197 				sc->type = type;  in lola_init_clock_widget()
198 				sc->format = format;  in lola_init_clock_widget()
199 				sc->freq = freq;  in lola_init_clock_widget()
201 				chip->clock.idx_lookup[idx_list] = idx;  in lola_init_clock_widget()
204 				chip->clock.items--;  in lola_init_clock_widget()
219 	err = lola_codec_read(chip, chip->clock.nid,  in lola_enable_clock_events()
226 		dev_warn(chip->card->dev, "error in enable_clock_events %d\n",  in lola_enable_clock_events()
228 		return -EINVAL;  in lola_enable_clock_events()
238 	err = lola_codec_read(chip, chip->clock.nid,  in lola_set_clock_index()
240 			      chip->clock.idx_lookup[idx],  in lola_set_clock_index()
245 		dev_warn(chip->card->dev, "error in set_clock %d\n", res);  in lola_set_clock_index()
246 		return -EINVAL;  in lola_set_clock_index()
265 	if (chip->clock.sample_clock[chip->clock.cur_index].type !=  in lola_update_ext_clock_freq()
267 		chip->clock.cur_freq = lola_sample_rate_convert(val & 0x7f);  in lola_update_ext_clock_freq()
268 		chip->clock.cur_valid = (val & 0x100) != 0;  in lola_update_ext_clock_freq()
275 	int freq = 0;  in lola_set_clock()  local
278 	if (idx == chip->clock.cur_index) {  in lola_set_clock()
280 		freq = chip->clock.cur_freq;  in lola_set_clock()
281 		valid = chip->clock.cur_valid;  in lola_set_clock()
282 	} else if (chip->clock.sample_clock[idx].type ==  in lola_set_clock()
285 		freq = chip->clock.sample_clock[idx].freq;  in lola_set_clock()
289 	if (!freq || !valid)  in lola_set_clock()
290 		return -EINVAL;  in lola_set_clock()
292 	if (!check_gran_clock_compatibility(chip, chip->granularity, freq))  in lola_set_clock()
293 		return -EINVAL;  in lola_set_clock()
295 	if (idx != chip->clock.cur_index) {  in lola_set_clock()
300 		chip->clock.cur_index = idx;  in lola_set_clock()
301 		chip->clock.cur_freq = freq;  in lola_set_clock()
302 		chip->clock.cur_valid = true;  in lola_set_clock()
311 	if (chip->clock.cur_freq == rate && chip->clock.cur_valid)  in lola_set_sample_rate()
314 	for (i = 0; i < chip->clock.items; i++) {  in lola_set_sample_rate()
315 		if (chip->clock.sample_clock[i].type == LOLA_CLOCK_TYPE_INTERNAL &&  in lola_set_sample_rate()
316 		    chip->clock.sample_clock[i].freq == rate)  in lola_set_sample_rate()
319 	if (i >= chip->clock.items)  in lola_set_sample_rate()
320 		return -EINVAL;  in lola_set_sample_rate()