ac97_proc.c

linux-2.6.15.6

					    val & AC97_ALC650_COPY ? "" : " Copyright",
					    val & AC97_ALC650_PRE ? " Preemph50/15" : "",
					    (val & AC97_ALC650_CC_MASK) >> AC97_ALC650_CC_SHIFT,
					    (val & AC97_ALC650_L) >> 15);
				val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
				snd_iprintf(buffer, "%s Accuracy=%i%s%s\n",
					    spdif_rates[(val & AC97_ALC650_SPSR_MASK) >> AC97_ALC650_SPSR_SHIFT],
					    (val & AC97_ALC650_CLOCK_ACCURACY) >> AC97_ALC650_CLOCK_SHIFT,
					    (val & AC97_ALC650_CLOCK_LOCK ? " Locked" : " Unlocked"),
					    (val & AC97_ALC650_V ? " Validity?" : ""));
			} else {
				snd_iprintf(buffer, "SPDIF In Status  : Not Locked\n");
			}
		}
	}
	if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
		val = snd_ac97_read(ac97, AC97_INT_PAGING);
		snd_ac97_update_bits(ac97, AC97_INT_PAGING,
				     AC97_PAGE_MASK, AC97_PAGE_1);
		snd_ac97_proc_read_functions(ac97, buffer);
		snd_ac97_update_bits(ac97, AC97_INT_PAGING,
				     AC97_PAGE_MASK, val & AC97_PAGE_MASK);
	}


      __modem:
	mext = snd_ac97_read(ac97, AC97_EXTENDED_MID);
	if (mext == 0)
		return;
	
	snd_iprintf(buffer, "Extended modem ID: codec=%i%s%s%s%s%s\n",
			(mext & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT,
			mext & AC97_MEI_CID2 ? " CID2" : "",
			mext & AC97_MEI_CID1 ? " CID1" : "",
			mext & AC97_MEI_HANDSET ? " HSET" : "",
			mext & AC97_MEI_LINE2 ? " LIN2" : "",
			mext & AC97_MEI_LINE1 ? " LIN1" : "");
	val = snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS);
	snd_iprintf(buffer, "Modem status     :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
			val & AC97_MEA_GPIO ? " GPIO" : "",
			val & AC97_MEA_MREF ? " MREF" : "",
			val & AC97_MEA_ADC1 ? " ADC1" : "",
			val & AC97_MEA_DAC1 ? " DAC1" : "",
			val & AC97_MEA_ADC2 ? " ADC2" : "",
			val & AC97_MEA_DAC2 ? " DAC2" : "",
			val & AC97_MEA_HADC ? " HADC" : "",
			val & AC97_MEA_HDAC ? " HDAC" : "",
			val & AC97_MEA_PRA ? " PRA(GPIO)" : "",
			val & AC97_MEA_PRB ? " PRB(res)" : "",
			val & AC97_MEA_PRC ? " PRC(ADC1)" : "",
			val & AC97_MEA_PRD ? " PRD(DAC1)" : "",
			val & AC97_MEA_PRE ? " PRE(ADC2)" : "",
			val & AC97_MEA_PRF ? " PRF(DAC2)" : "",
			val & AC97_MEA_PRG ? " PRG(HADC)" : "",
			val & AC97_MEA_PRH ? " PRH(HDAC)" : "");
	if (mext & AC97_MEI_LINE1) {
		val = snd_ac97_read(ac97, AC97_LINE1_RATE);
		snd_iprintf(buffer, "Line1 rate       : %iHz\n", val);
	}
	if (mext & AC97_MEI_LINE2) {
		val = snd_ac97_read(ac97, AC97_LINE2_RATE);
		snd_iprintf(buffer, "Line2 rate       : %iHz\n", val);
	}
	if (mext & AC97_MEI_HANDSET) {
		val = snd_ac97_read(ac97, AC97_HANDSET_RATE);
		snd_iprintf(buffer, "Headset rate     : %iHz\n", val);
	}
}

static void snd_ac97_proc_read(snd_info_entry_t *entry, snd_info_buffer_t * buffer)
{
	ac97_t *ac97 = entry->private_data;
	
	down(&ac97->page_mutex);
	if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) {	// Analog Devices AD1881/85/86
		int idx;
		for (idx = 0; idx < 3; idx++)
			if (ac97->spec.ad18xx.id[idx]) {
				/* select single codec */
				snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
						     ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
				snd_ac97_proc_read_main(ac97, buffer, idx);
				snd_iprintf(buffer, "\n\n");
			}
		/* select all codecs */
		snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
		
		snd_iprintf(buffer, "\nAD18XX configuration\n");
		snd_iprintf(buffer, "Unchained        : 0x%04x,0x%04x,0x%04x\n",
			ac97->spec.ad18xx.unchained[0],
			ac97->spec.ad18xx.unchained[1],
			ac97->spec.ad18xx.unchained[2]);
		snd_iprintf(buffer, "Chained          : 0x%04x,0x%04x,0x%04x\n",
			ac97->spec.ad18xx.chained[0],
			ac97->spec.ad18xx.chained[1],
			ac97->spec.ad18xx.chained[2]);
	} else {
		snd_ac97_proc_read_main(ac97, buffer, 0);
	}
	up(&ac97->page_mutex);
}

#ifdef CONFIG_SND_DEBUG
/* direct register write for debugging */
static void snd_ac97_proc_regs_write(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
{
	ac97_t *ac97 = entry->private_data;
	char line[64];
	unsigned int reg, val;
	down(&ac97->page_mutex);
	while (!snd_info_get_line(buffer, line, sizeof(line))) {
		if (sscanf(line, "%x %x", &reg, &val) != 2)
			continue;
		/* register must be even */
		if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff)
			snd_ac97_write_cache(ac97, reg, val);
	}
	up(&ac97->page_mutex);
}
#endif

static void snd_ac97_proc_regs_read_main(ac97_t *ac97, snd_info_buffer_t * buffer, int subidx)
{
	int reg, val;

	for (reg = 0; reg < 0x80; reg += 2) {
		val = snd_ac97_read(ac97, reg);
		snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val);
	}
}

static void snd_ac97_proc_regs_read(snd_info_entry_t *entry, 
				    snd_info_buffer_t * buffer)
{
	ac97_t *ac97 = entry->private_data;

	down(&ac97->page_mutex);
	if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) {	// Analog Devices AD1881/85/86

		int idx;
		for (idx = 0; idx < 3; idx++)
			if (ac97->spec.ad18xx.id[idx]) {
				/* select single codec */
				snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
						     ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
				snd_ac97_proc_regs_read_main(ac97, buffer, idx);
			}
		/* select all codecs */
		snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
	} else {
		snd_ac97_proc_regs_read_main(ac97, buffer, 0);
	}	
	up(&ac97->page_mutex);
}

void snd_ac97_proc_init(ac97_t * ac97)
{
	snd_info_entry_t *entry;
	char name[32];
	const char *prefix;

	if (ac97->bus->proc == NULL)
		return;
	prefix = ac97_is_audio(ac97) ? "ac97" : "mc97";
	sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num);
	if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
		snd_info_set_text_ops(entry, ac97, 1024, snd_ac97_proc_read);
		if (snd_info_register(entry) < 0) {
			snd_info_free_entry(entry);
			entry = NULL;
		}
	}
	ac97->proc = entry;
	sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num);
	if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
		snd_info_set_text_ops(entry, ac97, 1024, snd_ac97_proc_regs_read);
#ifdef CONFIG_SND_DEBUG
		entry->mode |= S_IWUSR;
		entry->c.text.write_size = 1024;
		entry->c.text.write = snd_ac97_proc_regs_write;
#endif
		if (snd_info_register(entry) < 0) {
			snd_info_free_entry(entry);
			entry = NULL;
		}
	}
	ac97->proc_regs = entry;
}

void snd_ac97_proc_done(ac97_t * ac97)
{
	if (ac97->proc_regs) {
		snd_info_unregister(ac97->proc_regs);
		ac97->proc_regs = NULL;
	}
	if (ac97->proc) {
		snd_info_unregister(ac97->proc);
		ac97->proc = NULL;
	}
}

void snd_ac97_bus_proc_init(ac97_bus_t * bus)
{
	snd_info_entry_t *entry;
	char name[32];

	sprintf(name, "codec97#%d", bus->num);
	if ((entry = snd_info_create_card_entry(bus->card, name, bus->card->proc_root)) != NULL) {
		entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
		if (snd_info_register(entry) < 0) {
			snd_info_free_entry(entry);
			entry = NULL;
		}
	}
	bus->proc = entry;
}

void snd_ac97_bus_proc_done(ac97_bus_t * bus)
{
	if (bus->proc) {
		snd_info_unregister(bus->proc);
		bus->proc = NULL;
	}
}