From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: AndrĂ© Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- sound/pci/ac97/ac97_proc.c | 490 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 490 insertions(+) create mode 100644 sound/pci/ac97/ac97_proc.c (limited to 'sound/pci/ac97/ac97_proc.c') diff --git a/sound/pci/ac97/ac97_proc.c b/sound/pci/ac97/ac97_proc.c new file mode 100644 index 000000000..6320bf084 --- /dev/null +++ b/sound/pci/ac97/ac97_proc.c @@ -0,0 +1,490 @@ +/* + * Copyright (c) by Jaroslav Kysela + * Universal interface for Audio Codec '97 + * + * For more details look to AC '97 component specification revision 2.2 + * by Intel Corporation (http://developer.intel.com). + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include + +#include +#include +#include +#include "ac97_local.h" +#include "ac97_id.h" + +/* + * proc interface + */ + +static void snd_ac97_proc_read_functions(struct snd_ac97 *ac97, struct snd_info_buffer *buffer) +{ + int header = 0, function; + unsigned short info, sense_info; + static const char *function_names[12] = { + "Master Out", "AUX Out", "Center/LFE Out", "SPDIF Out", + "Phone In", "Mic 1", "Mic 2", "Line In", "CD In", "Video In", + "Aux In", "Mono Out" + }; + static const char *locations[8] = { + "Rear I/O Panel", "Front Panel", "Motherboard", "Dock/External", + "reserved", "reserved", "reserved", "NC/unused" + }; + + for (function = 0; function < 12; ++function) { + snd_ac97_write(ac97, AC97_FUNC_SELECT, function << 1); + info = snd_ac97_read(ac97, AC97_FUNC_INFO); + if (!(info & 0x0001)) + continue; + if (!header) { + snd_iprintf(buffer, "\n Gain Inverted Buffer delay Location\n"); + header = 1; + } + sense_info = snd_ac97_read(ac97, AC97_SENSE_INFO); + snd_iprintf(buffer, "%-17s: %3d.%d dBV %c %2d/fs %s\n", + function_names[function], + (info & 0x8000 ? -1 : 1) * ((info & 0x7000) >> 12) * 3 / 2, + ((info & 0x0800) >> 11) * 5, + info & 0x0400 ? 'X' : '-', + (info & 0x03e0) >> 5, + locations[sense_info >> 13]); + } +} + +static const char *snd_ac97_stereo_enhancements[] = +{ + /* 0 */ "No 3D Stereo Enhancement", + /* 1 */ "Analog Devices Phat Stereo", + /* 2 */ "Creative Stereo Enhancement", + /* 3 */ "National Semi 3D Stereo Enhancement", + /* 4 */ "YAMAHA Ymersion", + /* 5 */ "BBE 3D Stereo Enhancement", + /* 6 */ "Crystal Semi 3D Stereo Enhancement", + /* 7 */ "Qsound QXpander", + /* 8 */ "Spatializer 3D Stereo Enhancement", + /* 9 */ "SRS 3D Stereo Enhancement", + /* 10 */ "Platform Tech 3D Stereo Enhancement", + /* 11 */ "AKM 3D Audio", + /* 12 */ "Aureal Stereo Enhancement", + /* 13 */ "Aztech 3D Enhancement", + /* 14 */ "Binaura 3D Audio Enhancement", + /* 15 */ "ESS Technology Stereo Enhancement", + /* 16 */ "Harman International VMAx", + /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement", + /* 18 */ "Philips Incredible Sound", + /* 19 */ "Texas Instruments 3D Stereo Enhancement", + /* 20 */ "VLSI Technology 3D Stereo Enhancement", + /* 21 */ "TriTech 3D Stereo Enhancement", + /* 22 */ "Realtek 3D Stereo Enhancement", + /* 23 */ "Samsung 3D Stereo Enhancement", + /* 24 */ "Wolfson Microelectronics 3D Enhancement", + /* 25 */ "Delta Integration 3D Enhancement", + /* 26 */ "SigmaTel 3D Enhancement", + /* 27 */ "IC Ensemble/KS Waves", + /* 28 */ "Rockwell 3D Stereo Enhancement", + /* 29 */ "Reserved 29", + /* 30 */ "Reserved 30", + /* 31 */ "Reserved 31" +}; + +static void snd_ac97_proc_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx) +{ + char name[64]; + unsigned short val, tmp, ext, mext; + static const char *spdif_slots[4] = { " SPDIF=3/4", " SPDIF=7/8", " SPDIF=6/9", " SPDIF=10/11" }; + static const char *spdif_rates[4] = { " Rate=44.1kHz", " Rate=res", " Rate=48kHz", " Rate=32kHz" }; + static const char *spdif_rates_cs4205[4] = { " Rate=48kHz", " Rate=44.1kHz", " Rate=res", " Rate=res" }; + static const char *double_rate_slots[4] = { "10/11", "7/8", "reserved", "reserved" }; + + snd_ac97_get_name(NULL, ac97->id, name, 0); + snd_iprintf(buffer, "%d-%d/%d: %s\n\n", ac97->addr, ac97->num, subidx, name); + + if ((ac97->scaps & AC97_SCAP_AUDIO) == 0) + goto __modem; + + snd_iprintf(buffer, "PCI Subsys Vendor: 0x%04x\n", + ac97->subsystem_vendor); + snd_iprintf(buffer, "PCI Subsys Device: 0x%04x\n\n", + ac97->subsystem_device); + + snd_iprintf(buffer, "Flags: %x\n", ac97->flags); + + 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); + tmp = snd_ac97_read(ac97, AC97_CODEC_CLASS_REV); + snd_iprintf(buffer, "Revision : 0x%02x\n", tmp & 0xff); + snd_iprintf(buffer, "Compat. Class : 0x%02x\n", (tmp >> 8) & 0x1f); + snd_iprintf(buffer, "Subsys. Vendor ID: 0x%04x\n", + snd_ac97_read(ac97, AC97_PCI_SVID)); + snd_iprintf(buffer, "Subsys. ID : 0x%04x\n\n", + snd_ac97_read(ac97, AC97_PCI_SID)); + snd_ac97_update_bits(ac97, AC97_INT_PAGING, + AC97_PAGE_MASK, val & AC97_PAGE_MASK); + } + + // val = snd_ac97_read(ac97, AC97_RESET); + val = ac97->caps; + snd_iprintf(buffer, "Capabilities :%s%s%s%s%s%s\n", + val & AC97_BC_DEDICATED_MIC ? " -dedicated MIC PCM IN channel-" : "", + val & AC97_BC_RESERVED1 ? " -reserved1-" : "", + val & AC97_BC_BASS_TREBLE ? " -bass & treble-" : "", + val & AC97_BC_SIM_STEREO ? " -simulated stereo-" : "", + val & AC97_BC_HEADPHONE ? " -headphone out-" : "", + val & AC97_BC_LOUDNESS ? " -loudness-" : ""); + tmp = ac97->caps & AC97_BC_DAC_MASK; + snd_iprintf(buffer, "DAC resolution : %s%s%s%s\n", + tmp == AC97_BC_16BIT_DAC ? "16-bit" : "", + tmp == AC97_BC_18BIT_DAC ? "18-bit" : "", + tmp == AC97_BC_20BIT_DAC ? "20-bit" : "", + tmp == AC97_BC_DAC_MASK ? "???" : ""); + tmp = ac97->caps & AC97_BC_ADC_MASK; + snd_iprintf(buffer, "ADC resolution : %s%s%s%s\n", + tmp == AC97_BC_16BIT_ADC ? "16-bit" : "", + tmp == AC97_BC_18BIT_ADC ? "18-bit" : "", + tmp == AC97_BC_20BIT_ADC ? "20-bit" : "", + tmp == AC97_BC_ADC_MASK ? "???" : ""); + snd_iprintf(buffer, "3D enhancement : %s\n", + snd_ac97_stereo_enhancements[(val >> 10) & 0x1f]); + snd_iprintf(buffer, "\nCurrent setup\n"); + val = snd_ac97_read(ac97, AC97_MIC); + snd_iprintf(buffer, "Mic gain : %s [%s]\n", val & 0x0040 ? "+20dB" : "+0dB", ac97->regs[AC97_MIC] & 0x0040 ? "+20dB" : "+0dB"); + val = snd_ac97_read(ac97, AC97_GENERAL_PURPOSE); + snd_iprintf(buffer, "POP path : %s 3D\n" + "Sim. stereo : %s\n" + "3D enhancement : %s\n" + "Loudness : %s\n" + "Mono output : %s\n" + "Mic select : %s\n" + "ADC/DAC loopback : %s\n", + val & 0x8000 ? "post" : "pre", + val & 0x4000 ? "on" : "off", + val & 0x2000 ? "on" : "off", + val & 0x1000 ? "on" : "off", + val & 0x0200 ? "Mic" : "MIX", + val & 0x0100 ? "Mic2" : "Mic1", + val & 0x0080 ? "on" : "off"); + if (ac97->ext_id & AC97_EI_DRA) + snd_iprintf(buffer, "Double rate slots: %s\n", + double_rate_slots[(val >> 10) & 3]); + + ext = snd_ac97_read(ac97, AC97_EXTENDED_ID); + if (ext == 0) + goto __modem; + + snd_iprintf(buffer, "Extended ID : codec=%i rev=%i%s%s%s%s DSA=%i%s%s%s%s\n", + (ext & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT, + (ext & AC97_EI_REV_MASK) >> AC97_EI_REV_SHIFT, + ext & AC97_EI_AMAP ? " AMAP" : "", + ext & AC97_EI_LDAC ? " LDAC" : "", + ext & AC97_EI_SDAC ? " SDAC" : "", + ext & AC97_EI_CDAC ? " CDAC" : "", + (ext & AC97_EI_DACS_SLOT_MASK) >> AC97_EI_DACS_SLOT_SHIFT, + ext & AC97_EI_VRM ? " VRM" : "", + ext & AC97_EI_SPDIF ? " SPDIF" : "", + ext & AC97_EI_DRA ? " DRA" : "", + ext & AC97_EI_VRA ? " VRA" : ""); + val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); + snd_iprintf(buffer, "Extended status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", + val & AC97_EA_PRL ? " PRL" : "", + val & AC97_EA_PRK ? " PRK" : "", + val & AC97_EA_PRJ ? " PRJ" : "", + val & AC97_EA_PRI ? " PRI" : "", + val & AC97_EA_SPCV ? " SPCV" : "", + val & AC97_EA_MDAC ? " MADC" : "", + val & AC97_EA_LDAC ? " LDAC" : "", + val & AC97_EA_SDAC ? " SDAC" : "", + val & AC97_EA_CDAC ? " CDAC" : "", + ext & AC97_EI_SPDIF ? spdif_slots[(val & AC97_EA_SPSA_SLOT_MASK) >> AC97_EA_SPSA_SLOT_SHIFT] : "", + val & AC97_EA_VRM ? " VRM" : "", + val & AC97_EA_SPDIF ? " SPDIF" : "", + val & AC97_EA_DRA ? " DRA" : "", + val & AC97_EA_VRA ? " VRA" : ""); + if (ext & AC97_EI_VRA) { /* VRA */ + val = snd_ac97_read(ac97, AC97_PCM_FRONT_DAC_RATE); + snd_iprintf(buffer, "PCM front DAC : %iHz\n", val); + if (ext & AC97_EI_SDAC) { + val = snd_ac97_read(ac97, AC97_PCM_SURR_DAC_RATE); + snd_iprintf(buffer, "PCM Surr DAC : %iHz\n", val); + } + if (ext & AC97_EI_LDAC) { + val = snd_ac97_read(ac97, AC97_PCM_LFE_DAC_RATE); + snd_iprintf(buffer, "PCM LFE DAC : %iHz\n", val); + } + val = snd_ac97_read(ac97, AC97_PCM_LR_ADC_RATE); + snd_iprintf(buffer, "PCM ADC : %iHz\n", val); + } + if (ext & AC97_EI_VRM) { + val = snd_ac97_read(ac97, AC97_PCM_MIC_ADC_RATE); + snd_iprintf(buffer, "PCM MIC ADC : %iHz\n", val); + } + if ((ext & AC97_EI_SPDIF) || (ac97->flags & AC97_CS_SPDIF) || + (ac97->id == AC97_ID_YMF743)) { + if (ac97->flags & AC97_CS_SPDIF) + val = snd_ac97_read(ac97, AC97_CSR_SPDIF); + else if (ac97->id == AC97_ID_YMF743) { + val = snd_ac97_read(ac97, AC97_YMF7X3_DIT_CTRL); + val = 0x2000 | (val & 0xff00) >> 4 | (val & 0x38) >> 2; + } else + val = snd_ac97_read(ac97, AC97_SPDIF); + + snd_iprintf(buffer, "SPDIF Control :%s%s%s%s Category=0x%x Generation=%i%s%s%s\n", + val & AC97_SC_PRO ? " PRO" : " Consumer", + val & AC97_SC_NAUDIO ? " Non-audio" : " PCM", + val & AC97_SC_COPY ? "" : " Copyright", + val & AC97_SC_PRE ? " Preemph50/15" : "", + (val & AC97_SC_CC_MASK) >> AC97_SC_CC_SHIFT, + (val & AC97_SC_L) >> 11, + (ac97->flags & AC97_CS_SPDIF) ? + spdif_rates_cs4205[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT] : + spdif_rates[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT], + (ac97->flags & AC97_CS_SPDIF) ? + (val & AC97_SC_DRS ? " Validity" : "") : + (val & AC97_SC_DRS ? " DRS" : ""), + (ac97->flags & AC97_CS_SPDIF) ? + (val & AC97_SC_V ? " Enabled" : "") : + (val & AC97_SC_V ? " Validity" : "")); + /* ALC650 specific*/ + if ((ac97->id & 0xfffffff0) == 0x414c4720 && + (snd_ac97_read(ac97, AC97_ALC650_CLOCK) & 0x01)) { + val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2); + if (val & AC97_ALC650_CLOCK_LOCK) { + val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS1); + snd_iprintf(buffer, "SPDIF In Status :%s%s%s%s Category=0x%x Generation=%i", + val & AC97_ALC650_PRO ? " PRO" : " Consumer", + val & AC97_ALC650_NAUDIO ? " Non-audio" : " PCM", + 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(struct snd_info_entry *entry, struct snd_info_buffer *buffer) +{ + struct snd_ac97 *ac97 = entry->private_data; + + mutex_lock(&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); + } + mutex_unlock(&ac97->page_mutex); +} + +#ifdef CONFIG_SND_DEBUG +/* direct register write for debugging */ +static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer) +{ + struct snd_ac97 *ac97 = entry->private_data; + char line[64]; + unsigned int reg, val; + mutex_lock(&ac97->page_mutex); + while (!snd_info_get_line(buffer, line, sizeof(line))) { + if (sscanf(line, "%x %x", ®, &val) != 2) + continue; + /* register must be even */ + if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff) + snd_ac97_write_cache(ac97, reg, val); + } + mutex_unlock(&ac97->page_mutex); +} +#endif + +static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *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(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_ac97 *ac97 = entry->private_data; + + mutex_lock(&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); + } + mutex_unlock(&ac97->page_mutex); +} + +void snd_ac97_proc_init(struct snd_ac97 * ac97) +{ + struct snd_info_entry *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, 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, snd_ac97_proc_regs_read); +#ifdef CONFIG_SND_DEBUG + entry->mode |= S_IWUSR; + 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(struct snd_ac97 * ac97) +{ + snd_info_free_entry(ac97->proc_regs); + ac97->proc_regs = NULL; + snd_info_free_entry(ac97->proc); + ac97->proc = NULL; +} + +void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus) +{ + struct snd_info_entry *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(struct snd_ac97_bus * bus) +{ + snd_info_free_entry(bus->proc); + bus->proc = NULL; +} -- cgit v1.2.3-54-g00ecf