18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Vortex Mixer support. 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * There is much more than just the AC97 mixer... 68c2ecf20Sopenharmony_ci * 78c2ecf20Sopenharmony_ci */ 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#include <linux/time.h> 108c2ecf20Sopenharmony_ci#include <linux/init.h> 118c2ecf20Sopenharmony_ci#include <sound/core.h> 128c2ecf20Sopenharmony_ci#include "au88x0.h" 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_cistatic int remove_ctl(struct snd_card *card, const char *name) 158c2ecf20Sopenharmony_ci{ 168c2ecf20Sopenharmony_ci struct snd_ctl_elem_id id; 178c2ecf20Sopenharmony_ci memset(&id, 0, sizeof(id)); 188c2ecf20Sopenharmony_ci strcpy(id.name, name); 198c2ecf20Sopenharmony_ci id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 208c2ecf20Sopenharmony_ci return snd_ctl_remove_id(card, &id); 218c2ecf20Sopenharmony_ci} 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_cistatic int snd_vortex_mixer(vortex_t *vortex) 248c2ecf20Sopenharmony_ci{ 258c2ecf20Sopenharmony_ci struct snd_ac97_bus *pbus; 268c2ecf20Sopenharmony_ci struct snd_ac97_template ac97; 278c2ecf20Sopenharmony_ci int err; 288c2ecf20Sopenharmony_ci static const struct snd_ac97_bus_ops ops = { 298c2ecf20Sopenharmony_ci .write = vortex_codec_write, 308c2ecf20Sopenharmony_ci .read = vortex_codec_read, 318c2ecf20Sopenharmony_ci }; 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci if ((err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus)) < 0) 348c2ecf20Sopenharmony_ci return err; 358c2ecf20Sopenharmony_ci memset(&ac97, 0, sizeof(ac97)); 368c2ecf20Sopenharmony_ci // Initialize AC97 codec stuff. 378c2ecf20Sopenharmony_ci ac97.private_data = vortex; 388c2ecf20Sopenharmony_ci ac97.scaps = AC97_SCAP_NO_SPDIF; 398c2ecf20Sopenharmony_ci err = snd_ac97_mixer(pbus, &ac97, &vortex->codec); 408c2ecf20Sopenharmony_ci vortex->isquad = ((vortex->codec == NULL) ? 0 : (vortex->codec->ext_id&0x80)); 418c2ecf20Sopenharmony_ci remove_ctl(vortex->card, "Master Mono Playback Volume"); 428c2ecf20Sopenharmony_ci remove_ctl(vortex->card, "Master Mono Playback Switch"); 438c2ecf20Sopenharmony_ci return err; 448c2ecf20Sopenharmony_ci} 45