brintos

brintos / linux-shallow public Read only

0
0
Text · 8.3 KiB · 763eae8 Raw
305 lines · c
1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Universal Interface for Intel High Definition Audio Codec4 *5 * HD audio interface patch for Silicon Labs 3054/5 modem codec6 *7 * Copyright (c) 2005 Sasha Khapyorsky <sashak@alsa-project.org>8 *                    Takashi Iwai <tiwai@suse.de>9 */10 11#include <linux/init.h>12#include <linux/delay.h>13#include <linux/slab.h>14#include <linux/module.h>15#include <sound/core.h>16#include <sound/hda_codec.h>17#include "hda_local.h"18 19/* si3054 verbs */20#define SI3054_VERB_READ_NODE  0x90021#define SI3054_VERB_WRITE_NODE 0x10022 23/* si3054 nodes (registers) */24#define SI3054_EXTENDED_MID    225#define SI3054_LINE_RATE       326#define SI3054_LINE_LEVEL      427#define SI3054_GPIO_CFG        528#define SI3054_GPIO_POLARITY   629#define SI3054_GPIO_STICKY     730#define SI3054_GPIO_WAKEUP     831#define SI3054_GPIO_STATUS     932#define SI3054_GPIO_CONTROL   1033#define SI3054_MISC_AFE       1134#define SI3054_CHIPID         1235#define SI3054_LINE_CFG1      1336#define SI3054_LINE_STATUS    1437#define SI3054_DC_TERMINATION 1538#define SI3054_LINE_CONFIG    1639#define SI3054_CALLPROG_ATT   1740#define SI3054_SQ_CONTROL     1841#define SI3054_MISC_CONTROL   1942#define SI3054_RING_CTRL1     2043#define SI3054_RING_CTRL2     2144 45/* extended MID */46#define SI3054_MEI_READY 0xf47 48/* line level */49#define SI3054_ATAG_MASK 0x00f050#define SI3054_DTAG_MASK 0xf00051 52/* GPIO bits */53#define SI3054_GPIO_OH    0x000154#define SI3054_GPIO_CID   0x000255 56/* chipid and revisions */57#define SI3054_CHIPID_CODEC_REV_MASK 0x000f58#define SI3054_CHIPID_DAA_REV_MASK   0x00f059#define SI3054_CHIPID_INTERNATIONAL  0x010060#define SI3054_CHIPID_DAA_ID         0x0f0061#define SI3054_CHIPID_CODEC_ID      (1<<12)62 63/* si3054 codec registers (nodes) access macros */64#define GET_REG(codec,reg) (snd_hda_codec_read(codec,reg,0,SI3054_VERB_READ_NODE,0))65#define SET_REG(codec,reg,val) (snd_hda_codec_write(codec,reg,0,SI3054_VERB_WRITE_NODE,val))66#define SET_REG_CACHE(codec,reg,val) \67	snd_hda_codec_write_cache(codec,reg,0,SI3054_VERB_WRITE_NODE,val)68 69 70struct si3054_spec {71	unsigned international;72};73 74 75/*76 * Modem mixer77 */78 79#define PRIVATE_VALUE(reg,mask) ((reg<<16)|(mask&0xffff))80#define PRIVATE_REG(val) ((val>>16)&0xffff)81#define PRIVATE_MASK(val) (val&0xffff)82 83#define si3054_switch_info	snd_ctl_boolean_mono_info84 85static int si3054_switch_get(struct snd_kcontrol *kcontrol,86		               struct snd_ctl_elem_value *uvalue)87{88	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);89	u16 reg  = PRIVATE_REG(kcontrol->private_value);90	u16 mask = PRIVATE_MASK(kcontrol->private_value);91	uvalue->value.integer.value[0] = (GET_REG(codec, reg)) & mask ? 1 : 0 ;92	return 0;93}94 95static int si3054_switch_put(struct snd_kcontrol *kcontrol,96		               struct snd_ctl_elem_value *uvalue)97{98	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);99	u16 reg  = PRIVATE_REG(kcontrol->private_value);100	u16 mask = PRIVATE_MASK(kcontrol->private_value);101	if (uvalue->value.integer.value[0])102		SET_REG_CACHE(codec, reg, (GET_REG(codec, reg)) | mask);103	else104		SET_REG_CACHE(codec, reg, (GET_REG(codec, reg)) & ~mask);105	return 0;106}107 108#define SI3054_KCONTROL(kname,reg,mask) { \109	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \110	.name = kname, \111	.subdevice = HDA_SUBDEV_NID_FLAG | reg, \112	.info = si3054_switch_info, \113	.get  = si3054_switch_get, \114	.put  = si3054_switch_put, \115	.private_value = PRIVATE_VALUE(reg,mask), \116}117		118 119static const struct snd_kcontrol_new si3054_modem_mixer[] = {120	SI3054_KCONTROL("Off-hook Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_OH),121	SI3054_KCONTROL("Caller ID Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_CID),122	{}123};124 125static int si3054_build_controls(struct hda_codec *codec)126{127	return snd_hda_add_new_ctls(codec, si3054_modem_mixer);128}129 130 131/*132 * PCM callbacks133 */134 135static int si3054_pcm_prepare(struct hda_pcm_stream *hinfo,136			      struct hda_codec *codec,137			      unsigned int stream_tag,138			      unsigned int format,139			      struct snd_pcm_substream *substream)140{141	u16 val;142 143	SET_REG(codec, SI3054_LINE_RATE, substream->runtime->rate);144	val = GET_REG(codec, SI3054_LINE_LEVEL);145	val &= 0xff << (8 * (substream->stream != SNDRV_PCM_STREAM_PLAYBACK));146	val |= ((stream_tag & 0xf) << 4) << (8 * (substream->stream == SNDRV_PCM_STREAM_PLAYBACK));147	SET_REG(codec, SI3054_LINE_LEVEL, val);148 149	snd_hda_codec_setup_stream(codec, hinfo->nid,150				   stream_tag, 0, format);151	return 0;152}153 154static int si3054_pcm_open(struct hda_pcm_stream *hinfo,155			   struct hda_codec *codec,156			    struct snd_pcm_substream *substream)157{158	static const unsigned int rates[] = { 8000, 9600, 16000 };159	static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {160		.count = ARRAY_SIZE(rates),161		.list = rates,162		.mask = 0,163	};164	substream->runtime->hw.period_bytes_min = 80;165	return snd_pcm_hw_constraint_list(substream->runtime, 0,166			SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);167}168 169 170static const struct hda_pcm_stream si3054_pcm = {171	.substreams = 1,172	.channels_min = 1,173	.channels_max = 1,174	.nid = 0x1,175	.rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_KNOT,176	.formats = SNDRV_PCM_FMTBIT_S16_LE,177	.maxbps = 16,178	.ops = {179		.open = si3054_pcm_open,180		.prepare = si3054_pcm_prepare,181	},182};183 184 185static int si3054_build_pcms(struct hda_codec *codec)186{187	struct hda_pcm *info;188 189	info = snd_hda_codec_pcm_new(codec, "Si3054 Modem");190	if (!info)191		return -ENOMEM;192	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = si3054_pcm;193	info->stream[SNDRV_PCM_STREAM_CAPTURE]  = si3054_pcm;194	info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = codec->core.mfg;195	info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = codec->core.mfg;196	info->pcm_type = HDA_PCM_TYPE_MODEM;197	return 0;198}199 200 201/*202 * Init part203 */204 205static int si3054_init(struct hda_codec *codec)206{207	struct si3054_spec *spec = codec->spec;208	unsigned wait_count;209	u16 val;210 211	if (snd_hdac_regmap_add_vendor_verb(&codec->core,212					    SI3054_VERB_WRITE_NODE))213		return -ENOMEM;214 215	snd_hda_codec_write(codec, AC_NODE_ROOT, 0, AC_VERB_SET_CODEC_RESET, 0);216	snd_hda_codec_write(codec, codec->core.mfg, 0, AC_VERB_SET_STREAM_FORMAT, 0);217	SET_REG(codec, SI3054_LINE_RATE, 9600);218	SET_REG(codec, SI3054_LINE_LEVEL, SI3054_DTAG_MASK|SI3054_ATAG_MASK);219	SET_REG(codec, SI3054_EXTENDED_MID, 0);220 221	wait_count = 10;222	do {223		msleep(2);224		val = GET_REG(codec, SI3054_EXTENDED_MID);225	} while ((val & SI3054_MEI_READY) != SI3054_MEI_READY && wait_count--);226 227	if((val&SI3054_MEI_READY) != SI3054_MEI_READY) {228		codec_err(codec, "si3054: cannot initialize. EXT MID = %04x\n", val);229		/* let's pray that this is no fatal error */230		/* return -EACCES; */231	}232 233	SET_REG(codec, SI3054_GPIO_POLARITY, 0xffff);234	SET_REG(codec, SI3054_GPIO_CFG, 0x0);235	SET_REG(codec, SI3054_MISC_AFE, 0);236	SET_REG(codec, SI3054_LINE_CFG1,0x200);237 238	if((GET_REG(codec,SI3054_LINE_STATUS) & (1<<6)) == 0) {239		codec_dbg(codec,240			  "Link Frame Detect(FDT) is not ready (line status: %04x)\n",241				GET_REG(codec,SI3054_LINE_STATUS));242	}243 244	spec->international = GET_REG(codec, SI3054_CHIPID) & SI3054_CHIPID_INTERNATIONAL;245 246	return 0;247}248 249static void si3054_free(struct hda_codec *codec)250{251	kfree(codec->spec);252}253 254 255/*256 */257 258static const struct hda_codec_ops si3054_patch_ops = {259	.build_controls = si3054_build_controls,260	.build_pcms = si3054_build_pcms,261	.init = si3054_init,262	.free = si3054_free,263};264 265static int patch_si3054(struct hda_codec *codec)266{267	struct si3054_spec *spec = kzalloc(sizeof(*spec), GFP_KERNEL);268	if (spec == NULL)269		return -ENOMEM;270	codec->spec = spec;271	codec->patch_ops = si3054_patch_ops;272	return 0;273}274 275/*276 * patch entries277 */278static const struct hda_device_id snd_hda_id_si3054[] = {279	HDA_CODEC_ENTRY(0x163c3055, "Si3054", patch_si3054),280	HDA_CODEC_ENTRY(0x163c3155, "Si3054", patch_si3054),281	HDA_CODEC_ENTRY(0x11c13026, "Si3054", patch_si3054),282	HDA_CODEC_ENTRY(0x11c13055, "Si3054", patch_si3054),283	HDA_CODEC_ENTRY(0x11c13155, "Si3054", patch_si3054),284	HDA_CODEC_ENTRY(0x10573055, "Si3054", patch_si3054),285	HDA_CODEC_ENTRY(0x10573057, "Si3054", patch_si3054),286	HDA_CODEC_ENTRY(0x10573155, "Si3054", patch_si3054),287	/* VIA HDA on Clevo m540 */288	HDA_CODEC_ENTRY(0x11063288, "Si3054", patch_si3054),289	/* Asus A8J Modem (SM56) */290	HDA_CODEC_ENTRY(0x15433155, "Si3054", patch_si3054),291	/* LG LW20 modem */292	HDA_CODEC_ENTRY(0x18540018, "Si3054", patch_si3054),293	{}294};295MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_si3054);296 297MODULE_LICENSE("GPL");298MODULE_DESCRIPTION("Si3054 HD-audio modem codec");299 300static struct hda_codec_driver si3054_driver = {301	.id = snd_hda_id_si3054,302};303 304module_hda_codec_driver(si3054_driver);305