patch_sigmatel.c

linux2.6.16版本

		if (spec->multiout.dac_nids[i] == nid)
			return 0;
	}

	spec->multiout.hp_nid = nid;

	/* control HP volume/switch on the output mixer amp */
	if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_VOL, "Headphone Playback Volume",
					HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT))) < 0)
		return err;
	if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_MUTE, "Headphone Playback Switch",
					HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT))) < 0)
		return err;

	return 0;
}

/* create playback/capture controls for input pins */
static int stac92xx_auto_create_analog_input_ctls(struct hda_codec *codec, const struct auto_pin_cfg *cfg)
{
	struct sigmatel_spec *spec = codec->spec;
	struct hda_input_mux *imux = &spec->private_imux;
	hda_nid_t con_lst[HDA_MAX_NUM_INPUTS];
	int i, j, k;

	for (i = 0; i < AUTO_PIN_LAST; i++) {
		int index = -1;
		if (cfg->input_pins[i]) {
			/* Enable active pin widget as an input */
			stac92xx_auto_set_pinctl(codec, cfg->input_pins[i], AC_PINCTL_IN_EN);

			imux->items[imux->num_items].label = auto_pin_cfg_labels[i];

			for (j=0; j<spec->num_muxes; j++) {
				int num_cons = snd_hda_get_connections(codec, spec->mux_nids[j], con_lst, HDA_MAX_NUM_INPUTS);
				for (k=0; k<num_cons; k++)
					if (con_lst[k] == cfg->input_pins[i]) {
						index = k;
					 	break;
					}
				if (index >= 0)
					break;
			}
			imux->items[imux->num_items].index = index;
			imux->num_items++;
		}
	}

	return 0;
}

static void stac92xx_auto_init_multi_out(struct hda_codec *codec)
{
	struct sigmatel_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->autocfg.line_outs; i++) {
		hda_nid_t nid = spec->autocfg.line_out_pins[i];
		stac92xx_auto_set_pinctl(codec, nid, AC_PINCTL_OUT_EN);
	}
}

static void stac92xx_auto_init_hp_out(struct hda_codec *codec)
{
	struct sigmatel_spec *spec = codec->spec;
	hda_nid_t pin;

	pin = spec->autocfg.hp_pin;
	if (pin) /* connect to front */
		stac92xx_auto_set_pinctl(codec, pin, AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
}

static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out, hda_nid_t dig_in)
{
	struct sigmatel_spec *spec = codec->spec;
	int err;

	if ((err = snd_hda_parse_pin_def_config(codec, &spec->autocfg, NULL)) < 0)
		return err;
	if (! spec->autocfg.line_outs && ! spec->autocfg.hp_pin)
		return 0; /* can't find valid pin config */
	stac92xx_auto_init_multi_out(codec);
	stac92xx_auto_init_hp_out(codec);
	if ((err = stac92xx_add_dyn_out_pins(codec, &spec->autocfg)) < 0)
		return err;
	if ((err = stac92xx_auto_fill_dac_nids(codec, &spec->autocfg)) < 0)
		return err;

	if ((err = stac92xx_auto_create_multi_out_ctls(spec, &spec->autocfg)) < 0 ||
	    (err = stac92xx_auto_create_hp_ctls(codec, &spec->autocfg)) < 0 ||
	    (err = stac92xx_auto_create_analog_input_ctls(codec, &spec->autocfg)) < 0)
		return err;

	spec->multiout.max_channels = spec->multiout.num_dacs * 2;
	if (spec->multiout.max_channels > 2)
		spec->surr_switch = 1;

	if (spec->autocfg.dig_out_pin) {
		spec->multiout.dig_out_nid = dig_out;
		stac92xx_auto_set_pinctl(codec, spec->autocfg.dig_out_pin, AC_PINCTL_OUT_EN);
	}
	if (spec->autocfg.dig_in_pin) {
		spec->dig_in_nid = dig_in;
		stac92xx_auto_set_pinctl(codec, spec->autocfg.dig_in_pin, AC_PINCTL_IN_EN);
	}

	if (spec->kctl_alloc)
		spec->mixers[spec->num_mixers++] = spec->kctl_alloc;

	spec->input_mux = &spec->private_imux;

	return 1;
}

static int stac9200_parse_auto_config(struct hda_codec *codec)
{
	struct sigmatel_spec *spec = codec->spec;
	int err;

	if ((err = snd_hda_parse_pin_def_config(codec, &spec->autocfg, NULL)) < 0)
		return err;

	if ((err = stac92xx_auto_create_analog_input_ctls(codec, &spec->autocfg)) < 0)
		return err;

	if (spec->autocfg.dig_out_pin) {
		spec->multiout.dig_out_nid = 0x05;
		stac92xx_auto_set_pinctl(codec, spec->autocfg.dig_out_pin, AC_PINCTL_OUT_EN);
	}
	if (spec->autocfg.dig_in_pin) {
		spec->dig_in_nid = 0x04;
		stac92xx_auto_set_pinctl(codec, spec->autocfg.dig_in_pin, AC_PINCTL_IN_EN);
	}

	if (spec->kctl_alloc)
		spec->mixers[spec->num_mixers++] = spec->kctl_alloc;

	spec->input_mux = &spec->private_imux;

	return 1;
}

static int stac92xx_init(struct hda_codec *codec)
{
	struct sigmatel_spec *spec = codec->spec;

	snd_hda_sequence_write(codec, spec->init);

	return 0;
}

static void stac92xx_free(struct hda_codec *codec)
{
	struct sigmatel_spec *spec = codec->spec;
	int i;

	if (! spec)
		return;

	if (spec->kctl_alloc) {
		for (i = 0; i < spec->num_kctl_used; i++)
			kfree(spec->kctl_alloc[i].name);
		kfree(spec->kctl_alloc);
	}

	kfree(spec);
}

static void stac92xx_set_pinctl(struct hda_codec *codec, hda_nid_t nid,
				unsigned int flag)
{
	unsigned int pin_ctl = snd_hda_codec_read(codec, nid,
			0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0x00);
	snd_hda_codec_write(codec, nid, 0,
			AC_VERB_SET_PIN_WIDGET_CONTROL,
			pin_ctl | flag);
}

static void stac92xx_reset_pinctl(struct hda_codec *codec, hda_nid_t nid,
				  unsigned int flag)
{
	unsigned int pin_ctl = snd_hda_codec_read(codec, nid,
			0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0x00);
	snd_hda_codec_write(codec, nid, 0,
			AC_VERB_SET_PIN_WIDGET_CONTROL,
			pin_ctl & ~flag);
}

static void stac92xx_unsol_event(struct hda_codec *codec, unsigned int res)
{
	struct sigmatel_spec *spec = codec->spec;
	struct auto_pin_cfg *cfg = &spec->autocfg;
	int i, presence;

	if ((res >> 26) != STAC_HP_EVENT)
		return;

	presence = snd_hda_codec_read(codec, cfg->hp_pin, 0,
			AC_VERB_GET_PIN_SENSE, 0x00) >> 31;

	if (presence) {
		/* disable lineouts, enable hp */
		for (i = 0; i < cfg->line_outs; i++)
			stac92xx_reset_pinctl(codec, cfg->line_out_pins[i],
						AC_PINCTL_OUT_EN);
		stac92xx_set_pinctl(codec, cfg->hp_pin, AC_PINCTL_OUT_EN);
	} else {
		/* enable lineouts, disable hp */
		for (i = 0; i < cfg->line_outs; i++)
			stac92xx_set_pinctl(codec, cfg->line_out_pins[i],
						AC_PINCTL_OUT_EN);
		stac92xx_reset_pinctl(codec, cfg->hp_pin, AC_PINCTL_OUT_EN);
	}
} 

#ifdef CONFIG_PM
static int stac92xx_resume(struct hda_codec *codec)
{
	struct sigmatel_spec *spec = codec->spec;
	int i;

	stac92xx_init(codec);
	for (i = 0; i < spec->num_mixers; i++)
		snd_hda_resume_ctls(codec, spec->mixers[i]);
	if (spec->multiout.dig_out_nid)
		snd_hda_resume_spdif_out(codec);
	if (spec->dig_in_nid)
		snd_hda_resume_spdif_in(codec);

	return 0;
}
#endif

static struct hda_codec_ops stac92xx_patch_ops = {
	.build_controls = stac92xx_build_controls,
	.build_pcms = stac92xx_build_pcms,
	.init = stac92xx_init,
	.free = stac92xx_free,
	.unsol_event = stac92xx_unsol_event,
#ifdef CONFIG_PM
	.resume = stac92xx_resume,
#endif
};

static int patch_stac9200(struct hda_codec *codec)
{
	struct sigmatel_spec *spec;
	int err;

	spec  = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (spec == NULL)
		return -ENOMEM;

	codec->spec = spec;
	spec->board_config = snd_hda_check_board_config(codec, stac9200_cfg_tbl);
	if (spec->board_config < 0)
                snd_printdd(KERN_INFO "hda_codec: Unknown model for STAC9200, using BIOS defaults\n");
	else {
		spec->num_pins = 8;
		spec->pin_nids = stac9200_pin_nids;
		spec->pin_configs = stac9200_brd_tbl[spec->board_config];
		stac92xx_set_config_regs(codec);
	}

	spec->multiout.max_channels = 2;
	spec->multiout.num_dacs = 1;
	spec->multiout.dac_nids = stac9200_dac_nids;
	spec->adc_nids = stac9200_adc_nids;
	spec->mux_nids = stac9200_mux_nids;
	spec->num_muxes = 1;

	spec->init = stac9200_core_init;
	spec->mixer = stac9200_mixer;

	err = stac9200_parse_auto_config(codec);
	if (err < 0) {
		stac92xx_free(codec);
		return err;
	}

	codec->patch_ops = stac92xx_patch_ops;

	return 0;
}

static int patch_stac922x(struct hda_codec *codec)
{
	struct sigmatel_spec *spec;
	int err;

	spec  = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (spec == NULL)
		return -ENOMEM;

	codec->spec = spec;
	spec->board_config = snd_hda_check_board_config(codec, stac922x_cfg_tbl);
	if (spec->board_config < 0)
                snd_printdd(KERN_INFO "hda_codec: Unknown model for STAC922x, using BIOS defaults\n");
	else {
		spec->num_pins = 10;
		spec->pin_nids = stac922x_pin_nids;
		spec->pin_configs = stac922x_brd_tbl[spec->board_config];
		stac92xx_set_config_regs(codec);
	}

	spec->adc_nids = stac922x_adc_nids;
	spec->mux_nids = stac922x_mux_nids;
	spec->num_muxes = 2;

	spec->init = stac922x_core_init;
	spec->mixer = stac922x_mixer;

	spec->multiout.dac_nids = spec->dac_nids;

	err = stac92xx_parse_auto_config(codec, 0x08, 0x09);
	if (err < 0) {
		stac92xx_free(codec);
		return err;
	}

	codec->patch_ops = stac92xx_patch_ops;

	return 0;
}

static int patch_stac927x(struct hda_codec *codec)
{
	struct sigmatel_spec *spec;
	int err;

	spec  = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (spec == NULL)
		return -ENOMEM;

	codec->spec = spec;
	spec->board_config = snd_hda_check_board_config(codec, stac927x_cfg_tbl);
	if (spec->board_config < 0)
                snd_printdd(KERN_INFO "hda_codec: Unknown model for STAC927x, using BIOS defaults\n");
	else {
		spec->num_pins = 14;
		spec->pin_nids = stac927x_pin_nids;
		spec->pin_configs = stac927x_brd_tbl[spec->board_config];
		stac92xx_set_config_regs(codec);
	}

	spec->adc_nids = stac927x_adc_nids;
	spec->mux_nids = stac927x_mux_nids;
	spec->num_muxes = 3;

	spec->init = stac927x_core_init;
	spec->mixer = stac927x_mixer;

	spec->multiout.dac_nids = spec->dac_nids;

	err = stac92xx_parse_auto_config(codec, 0x1e, 0x20);
	if (err < 0) {
		stac92xx_free(codec);
		return err;
	}

	codec->patch_ops = stac92xx_patch_ops;

	return 0;
}

/*
 * patch entries
 */
struct hda_codec_preset snd_hda_preset_sigmatel[] = {
 	{ .id = 0x83847690, .name = "STAC9200", .patch = patch_stac9200 },
 	{ .id = 0x83847882, .name = "STAC9220 A1", .patch = patch_stac922x },
 	{ .id = 0x83847680, .name = "STAC9221 A1", .patch = patch_stac922x },
 	{ .id = 0x83847880, .name = "STAC9220 A2", .patch = patch_stac922x },
 	{ .id = 0x83847681, .name = "STAC9220D/9223D A2", .patch = patch_stac922x },
 	{ .id = 0x83847682, .name = "STAC9221 A2", .patch = patch_stac922x },
 	{ .id = 0x83847683, .name = "STAC9221D A2", .patch = patch_stac922x },
 	{ .id = 0x83847620, .name = "STAC9274", .patch = patch_stac927x },
 	{ .id = 0x83847621, .name = "STAC9274D", .patch = patch_stac927x },
 	{ .id = 0x83847622, .name = "STAC9273X", .patch = patch_stac927x },
 	{ .id = 0x83847623, .name = "STAC9273D", .patch = patch_stac927x },
 	{ .id = 0x83847624, .name = "STAC9272X", .patch = patch_stac927x },
 	{ .id = 0x83847625, .name = "STAC9272D", .patch = patch_stac927x },
 	{ .id = 0x83847626, .name = "STAC9271X", .patch = patch_stac927x },
 	{ .id = 0x83847627, .name = "STAC9271D", .patch = patch_stac927x },
 	{ .id = 0x83847628, .name = "STAC9274X5NH", .patch = patch_stac927x },
 	{ .id = 0x83847629, .name = "STAC9274D5NH", .patch = patch_stac927x },
	{} /* terminator */
};