1 // SPDX-License-Identifier: GPL-2.0-or-later
42 	/* SR: no swap, 1bit delay, 32-48kHz */  in daca_init_client()
44 	if (i2c_smbus_write_byte_data(i2c->client, DACA_REG_SR, 0x08) < 0 ||  in daca_init_client()
45 	    i2c_smbus_write_byte_data(i2c->client, DACA_REG_GCFG, 0x05) < 0)  in daca_init_client()
46 		return -EINVAL;  in daca_init_client()
47 	return i2c_smbus_write_block_data(i2c->client, DACA_REG_AVOL,  in daca_init_client()
54 static int daca_set_volume(struct pmac_daca *mix)  in daca_set_volume()  argument
58 	if (! mix->i2c.client)  in daca_set_volume()
59 		return -ENODEV;  in daca_set_volume()
61 	if (mix->left_vol > DACA_VOL_MAX)  in daca_set_volume()
64 		data[0] = mix->left_vol;  in daca_set_volume()
65 	if (mix->right_vol > DACA_VOL_MAX)  in daca_set_volume()
68 		data[1] = mix->right_vol;  in daca_set_volume()
69 	data[1] |= mix->deemphasis ? 0x40 : 0;  in daca_set_volume()
70 	if (i2c_smbus_write_block_data(mix->i2c.client, DACA_REG_AVOL,  in daca_set_volume()
73 		return -EINVAL;  in daca_set_volume()
86 	struct pmac_daca *mix;  in daca_get_deemphasis()  local
87 	if (! (mix = chip->mixer_data))  in daca_get_deemphasis()
88 		return -ENODEV;  in daca_get_deemphasis()
89 	ucontrol->value.integer.value[0] = mix->deemphasis ? 1 : 0;  in daca_get_deemphasis()
97 	struct pmac_daca *mix;  in daca_put_deemphasis()  local
100 	if (! (mix = chip->mixer_data))  in daca_put_deemphasis()
101 		return -ENODEV;  in daca_put_deemphasis()
102 	change = mix->deemphasis != ucontrol->value.integer.value[0];  in daca_put_deemphasis()
104 		mix->deemphasis = !!ucontrol->value.integer.value[0];  in daca_put_deemphasis()
105 		daca_set_volume(mix);  in daca_put_deemphasis()
114 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;  in daca_info_volume()
115 	uinfo->count = 2;  in daca_info_volume()
116 	uinfo->value.integer.min = 0;  in daca_info_volume()
117 	uinfo->value.integer.max = DACA_VOL_MAX;  in daca_info_volume()
125 	struct pmac_daca *mix;  in daca_get_volume()  local
126 	if (! (mix = chip->mixer_data))  in daca_get_volume()
127 		return -ENODEV;  in daca_get_volume()
128 	ucontrol->value.integer.value[0] = mix->left_vol;  in daca_get_volume()
129 	ucontrol->value.integer.value[1] = mix->right_vol;  in daca_get_volume()
137 	struct pmac_daca *mix;  in daca_put_volume()  local
141 	if (! (mix = chip->mixer_data))  in daca_put_volume()
142 		return -ENODEV;  in daca_put_volume()
143 	vol[0] = ucontrol->value.integer.value[0];  in daca_put_volume()
144 	vol[1] = ucontrol->value.integer.value[1];  in daca_put_volume()
146 		return -EINVAL;  in daca_put_volume()
147 	change = mix->left_vol != vol[0] ||  in daca_put_volume()
148 		mix->right_vol != vol[1];  in daca_put_volume()
150 		mix->left_vol = vol[0];  in daca_put_volume()
151 		mix->right_vol = vol[1];  in daca_put_volume()
152 		daca_set_volume(mix);  in daca_put_volume()
164 	struct pmac_daca *mix;  in daca_get_amp()  local
165 	if (! (mix = chip->mixer_data))  in daca_get_amp()
166 		return -ENODEV;  in daca_get_amp()
167 	ucontrol->value.integer.value[0] = mix->amp_on ? 1 : 0;  in daca_get_amp()
175 	struct pmac_daca *mix;  in daca_put_amp()  local
178 	if (! (mix = chip->mixer_data))  in daca_put_amp()
179 		return -ENODEV;  in daca_put_amp()
180 	change = mix->amp_on != ucontrol->value.integer.value[0];  in daca_put_amp()
182 		mix->amp_on = !!ucontrol->value.integer.value[0];  in daca_put_amp()
183 		i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_GCFG,  in daca_put_amp()
184 					  mix->amp_on ? 0x05 : 0x04);  in daca_put_amp()
214 	struct pmac_daca *mix = chip->mixer_data;  in daca_resume()  local
215 	i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_SR, 0x08);  in daca_resume()
216 	i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_GCFG,  in daca_resume()
217 				  mix->amp_on ? 0x05 : 0x04);  in daca_resume()
218 	daca_set_volume(mix);  in daca_resume()
225 	struct pmac_daca *mix = chip->mixer_data;  in daca_cleanup()  local
226 	if (! mix)  in daca_cleanup()
228 	snd_pmac_keywest_cleanup(&mix->i2c);  in daca_cleanup()
229 	kfree(mix);  in daca_cleanup()
230 	chip->mixer_data = NULL;  in daca_cleanup()
237 	struct pmac_daca *mix;  in snd_pmac_daca_init()  local
239 	request_module("i2c-powermac");  in snd_pmac_daca_init()
241 	mix = kzalloc(sizeof(*mix), GFP_KERNEL);  in snd_pmac_daca_init()
242 	if (! mix)  in snd_pmac_daca_init()
243 		return -ENOMEM;  in snd_pmac_daca_init()
244 	chip->mixer_data = mix;  in snd_pmac_daca_init()
245 	chip->mixer_free = daca_cleanup;  in snd_pmac_daca_init()
246 	mix->amp_on = 1; /* default on */  in snd_pmac_daca_init()
248 	mix->i2c.addr = DACA_I2C_ADDR;  in snd_pmac_daca_init()
249 	mix->i2c.init_client = daca_init_client;  in snd_pmac_daca_init()
250 	mix->i2c.name = "DACA";  in snd_pmac_daca_init()
251 	if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)  in snd_pmac_daca_init()
257 	strcpy(chip->card->mixername, "PowerMac DACA");  in snd_pmac_daca_init()
260 		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&daca_mixers[i], chip))) < 0)  in snd_pmac_daca_init()
265 	chip->resume = daca_resume;  in snd_pmac_daca_init()