| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
| * 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). |
| */ |
| |
| #include <linux/delay.h> |
| #include <linux/init.h> |
| #include <linux/slab.h> |
| #include <linux/pci.h> |
| #include <linux/module.h> |
| #include <linux/mutex.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/tlv.h> |
| #include <sound/ac97_codec.h> |
| #include <sound/asoundef.h> |
| #include <sound/initval.h> |
| #include "ac97_id.h" |
| |
| #include "ac97_patch.c" |
| |
| MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
| MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); |
| MODULE_LICENSE("GPL"); |
| |
| static bool enable_loopback; |
| |
| module_param(enable_loopback, bool, 0444); |
| MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); |
| |
| #ifdef CONFIG_SND_AC97_POWER_SAVE |
| static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT; |
| module_param(power_save, int, 0644); |
| MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " |
| "(in second, 0 = disable)."); |
| #endif |
| /* |
| |
| */ |
| |
| struct ac97_codec_id { |
| unsigned int id; |
| unsigned int mask; |
| const char *name; |
| int (*patch)(struct snd_ac97 *ac97); |
| int (*mpatch)(struct snd_ac97 *ac97); |
| unsigned int flags; |
| }; |
| |
| static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { |
| { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, |
| { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, |
| { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, |
| { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, |
| /* |
| * This is an _inofficial_ Aztech Labs entry |
| * (value might differ from unknown official Aztech ID), |
| * currently used by the AC97 emulation of the almost-AC97 PCI168 card. |
| */ |
| { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL }, |
| { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, |
| { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, |
| { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, |
| { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, |
| { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, |
| { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, |
| { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, |
| { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, |
| { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, |
| { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, |
| { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, |
| { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, |
| { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL }, |
| { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, |
| { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, |
| { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, |
| { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, |
| { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, |
| { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, |
| { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, |
| { 0, 0, NULL, NULL, NULL } |
| }; |
| |
| static const struct ac97_codec_id snd_ac97_codec_ids[] = { |
| { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, |
| { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, |
| { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, |
| { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, |
| { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, |
| { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, |
| { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, |
| { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, |
| { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, |
| { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, |
| { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, |
| { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, |
| { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL }, |
| { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, |
| { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, |
| { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, |
| { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, |
| { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, |
| { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, |
| { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, |
| { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ |
| { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ |
| { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ |
| { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, |
| { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, |
| { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, |
| { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, |
| { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, |
| { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL }, |
| { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ |
| { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, |
| { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, |
| { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL }, |
| { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, |
| { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, |
| { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, |
| { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL }, |
| { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, |
| { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL }, |
| { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, |
| { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, |
| { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, |
| { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, |
| { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, |
| { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, |
| { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, |
| { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, |
| { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, |
| { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II |
| { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different |
| { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL }, |
| { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, |
| { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, |
| { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? |
| { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, |
| { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, |
| { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, |
| { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? |
| { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, |
| { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, |
| { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) |
| { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, |
| { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, |
| { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk |
| { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, |
| { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix |
| { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, |
| { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, |
| { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL }, |
| { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, |
| { 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, |
| { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, |
| { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] |
| { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] |
| { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, |
| { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, |
| { 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL }, |
| { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF |
| { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF |
| { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, |
| { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, |
| { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, |
| { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, |
| { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, |
| { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, |
| { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, |
| { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, |
| { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, |
| { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, |
| { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, |
| { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, |
| { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, |
| { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, |
| { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, |
| { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, |
| { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, |
| { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, |
| { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? |
| { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? |
| { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, |
| { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, |
| { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? |
| { 0, 0, NULL, NULL, NULL } |
| }; |
| |
| |
| static void update_power_regs(struct snd_ac97 *ac97); |
| #ifdef CONFIG_SND_AC97_POWER_SAVE |
| #define ac97_is_power_save_mode(ac97) \ |
| ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) |
| #else |
| #define ac97_is_power_save_mode(ac97) 0 |
| #endif |
| |
| #define ac97_err(ac97, fmt, args...) \ |
| dev_err((ac97)->bus->card->dev, fmt, ##args) |
| #define ac97_warn(ac97, fmt, args...) \ |
| dev_warn((ac97)->bus->card->dev, fmt, ##args) |
| #define ac97_dbg(ac97, fmt, args...) \ |
| dev_dbg((ac97)->bus->card->dev, fmt, ##args) |
| |
| /* |
| * I/O routines |
| */ |
| |
| static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) |
| { |
| /* filter some registers for buggy codecs */ |
| switch (ac97->id) { |
| case AC97_ID_ST_AC97_ID4: |
| if (reg == 0x08) |
| return 0; |
| fallthrough; |
| case AC97_ID_ST7597: |
| if (reg == 0x22 || reg == 0x7a) |
| return 1; |
| fallthrough; |
| case AC97_ID_AK4540: |
| case AC97_ID_AK4542: |
| if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) |
| return 1; |
| return 0; |
| case AC97_ID_AD1819: /* AD1819 */ |
| case AC97_ID_AD1881: /* AD1881 */ |
| case AC97_ID_AD1881A: /* AD1881A */ |
| if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ |
| return 0; |
| return 1; |
| case AC97_ID_AD1885: /* AD1885 */ |
| case AC97_ID_AD1886: /* AD1886 */ |
| case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ |
| case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ |
| if (reg == 0x5a) |
| return 1; |
| if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ |
| return 0; |
| return 1; |
| case AC97_ID_STAC9700: |
| case AC97_ID_STAC9704: |
| case AC97_ID_STAC9705: |
| case AC97_ID_STAC9708: |
| case AC97_ID_STAC9721: |
| case AC97_ID_STAC9744: |
| case AC97_ID_STAC9756: |
| if (reg <= 0x3a || reg >= 0x5a) |
| return 1; |
| return 0; |
| } |
| return 1; |
| } |
| |
| /** |
| * snd_ac97_write - write a value on the given register |
| * @ac97: the ac97 instance |
| * @reg: the register to change |
| * @value: the value to set |
| * |
| * Writes a value on the given register. This will invoke the write |
| * callback directly after the register check. |
| * This function doesn't change the register cache unlike |
| * #snd_ca97_write_cache(), so use this only when you don't want to |
| * reflect the change to the suspend/resume state. |
| */ |
| void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) |
| { |
| if (!snd_ac97_valid_reg(ac97, reg)) |
| return; |
| if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { |
| /* Fix H/W bug of ALC100/100P */ |
| if (reg == AC97_MASTER || reg == AC97_HEADPHONE) |
| ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ |
| } |
| ac97->bus->ops->write(ac97, reg, value); |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_write); |
| |
| /** |
| * snd_ac97_read - read a value from the given register |
| * |
| * @ac97: the ac97 instance |
| * @reg: the register to read |
| * |
| * Reads a value from the given register. This will invoke the read |
| * callback directly after the register check. |
| * |
| * Return: The read value. |
| */ |
| unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) |
| { |
| if (!snd_ac97_valid_reg(ac97, reg)) |
| return 0; |
| return ac97->bus->ops->read(ac97, reg); |
| } |
| |
| /* read a register - return the cached value if already read */ |
| static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) |
| { |
| if (! test_bit(reg, ac97->reg_accessed)) { |
| ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); |
| // set_bit(reg, ac97->reg_accessed); |
| } |
| return ac97->regs[reg]; |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_read); |
| |
| /** |
| * snd_ac97_write_cache - write a value on the given register and update the cache |
| * @ac97: the ac97 instance |
| * @reg: the register to change |
| * @value: the value to set |
| * |
| * Writes a value on the given register and updates the register |
| * cache. The cached values are used for the cached-read and the |
| * suspend/resume. |
| */ |
| void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) |
| { |
| if (!snd_ac97_valid_reg(ac97, reg)) |
| return; |
| mutex_lock(&ac97->reg_mutex); |
| ac97->regs[reg] = value; |
| ac97->bus->ops->write(ac97, reg, value); |
| set_bit(reg, ac97->reg_accessed); |
| mutex_unlock(&ac97->reg_mutex); |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_write_cache); |
| |
| /** |
| * snd_ac97_update - update the value on the given register |
| * @ac97: the ac97 instance |
| * @reg: the register to change |
| * @value: the value to set |
| * |
| * Compares the value with the register cache and updates the value |
| * only when the value is changed. |
| * |
| * Return: 1 if the value is changed, 0 if no change, or a negative |
| * code on failure. |
| */ |
| int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) |
| { |
| int change; |
| |
| if (!snd_ac97_valid_reg(ac97, reg)) |
| return -EINVAL; |
| mutex_lock(&ac97->reg_mutex); |
| change = ac97->regs[reg] != value; |
| if (change) { |
| ac97->regs[reg] = value; |
| ac97->bus->ops->write(ac97, reg, value); |
| } |
| set_bit(reg, ac97->reg_accessed); |
| mutex_unlock(&ac97->reg_mutex); |
| return change; |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_update); |
| |
| /** |
| * snd_ac97_update_bits - update the bits on the given register |
| * @ac97: the ac97 instance |
| * @reg: the register to change |
| * @mask: the bit-mask to change |
| * @value: the value to set |
| * |
| * Updates the masked-bits on the given register only when the value |
| * is changed. |
| * |
| * Return: 1 if the bits are changed, 0 if no change, or a negative |
| * code on failure. |
| */ |
| int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) |
| { |
| int change; |
| |
| if (!snd_ac97_valid_reg(ac97, reg)) |
| return -EINVAL; |
| mutex_lock(&ac97->reg_mutex); |
| change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); |
| mutex_unlock(&ac97->reg_mutex); |
| return change; |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_update_bits); |
| |
| /* no lock version - see snd_ac97_update_bits() */ |
| int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, |
| unsigned short mask, unsigned short value) |
| { |
| int change; |
| unsigned short old, new; |
| |
| old = snd_ac97_read_cache(ac97, reg); |
| new = (old & ~mask) | (value & mask); |
| change = old != new; |
| if (change) { |
| ac97->regs[reg] = new; |
| ac97->bus->ops->write(ac97, reg, new); |
| } |
| set_bit(reg, ac97->reg_accessed); |
| return change; |
| } |
| |
| static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) |
| { |
| int change; |
| unsigned short old, new, cfg; |
| |
| mutex_lock(&ac97->page_mutex); |
| old = ac97->spec.ad18xx.pcmreg[codec]; |
| new = (old & ~mask) | (value & mask); |
| change = old != new; |
| if (change) { |
| mutex_lock(&ac97->reg_mutex); |
| cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); |
| ac97->spec.ad18xx.pcmreg[codec] = new; |
| /* select single codec */ |
| ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, |
| (cfg & ~0x7000) | |
| ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); |
| /* update PCM bits */ |
| ac97->bus->ops->write(ac97, AC97_PCM, new); |
| /* select all codecs */ |
| ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, |
| cfg | 0x7000); |
| mutex_unlock(&ac97->reg_mutex); |
| } |
| mutex_unlock(&ac97->page_mutex); |
| return change; |
| } |
| |
| /* |
| * Controls |
| */ |
| |
| static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; |
| |
| return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2, |
| e->mask, e->texts); |
| } |
| |
| static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; |
| unsigned short val, bitmask; |
| |
| for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) |
| ; |
| val = snd_ac97_read_cache(ac97, e->reg); |
| ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); |
| if (e->shift_l != e->shift_r) |
| ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); |
| |
| return 0; |
| } |
| |
| static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; |
| unsigned short val; |
| unsigned short mask, bitmask; |
| |
| for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) |
| ; |
| if (ucontrol->value.enumerated.item[0] > e->mask - 1) |
| return -EINVAL; |
| val = ucontrol->value.enumerated.item[0] << e->shift_l; |
| mask = (bitmask - 1) << e->shift_l; |
| if (e->shift_l != e->shift_r) { |
| if (ucontrol->value.enumerated.item[1] > e->mask - 1) |
| return -EINVAL; |
| val |= ucontrol->value.enumerated.item[1] << e->shift_r; |
| mask |= (bitmask - 1) << e->shift_r; |
| } |
| return snd_ac97_update_bits(ac97, e->reg, mask, val); |
| } |
| |
| /* save/restore ac97 v2.3 paging */ |
| static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) |
| { |
| int page_save = -1; |
| if ((kcontrol->private_value & (1<<25)) && |
| (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && |
| (reg >= 0x60 && reg < 0x70)) { |
| unsigned short page = (kcontrol->private_value >> 26) & 0x0f; |
| mutex_lock(&ac97->page_mutex); /* lock paging */ |
| page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; |
| snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); |
| } |
| return page_save; |
| } |
| |
| static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) |
| { |
| if (page_save >= 0) { |
| snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); |
| mutex_unlock(&ac97->page_mutex); /* unlock paging */ |
| } |
| } |
| |
| /* volume and switch controls */ |
| static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| int mask = (kcontrol->private_value >> 16) & 0xff; |
| int shift = (kcontrol->private_value >> 8) & 0x0f; |
| int rshift = (kcontrol->private_value >> 12) & 0x0f; |
| |
| uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = shift == rshift ? 1 : 2; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = mask; |
| return 0; |
| } |
| |
| static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| int reg = kcontrol->private_value & 0xff; |
| int shift = (kcontrol->private_value >> 8) & 0x0f; |
| int rshift = (kcontrol->private_value >> 12) & 0x0f; |
| int mask = (kcontrol->private_value >> 16) & 0xff; |
| int invert = (kcontrol->private_value >> 24) & 0x01; |
| int page_save; |
| |
| page_save = snd_ac97_page_save(ac97, reg, kcontrol); |
| ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; |
| if (shift != rshift) |
| ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; |
| if (invert) { |
| ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; |
| if (shift != rshift) |
| ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; |
| } |
| snd_ac97_page_restore(ac97, page_save); |
| return 0; |
| } |
| |
| static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| int reg = kcontrol->private_value & 0xff; |
| int shift = (kcontrol->private_value >> 8) & 0x0f; |
| int rshift = (kcontrol->private_value >> 12) & 0x0f; |
| int mask = (kcontrol->private_value >> 16) & 0xff; |
| int invert = (kcontrol->private_value >> 24) & 0x01; |
| int err, page_save; |
| unsigned short val, val2, val_mask; |
| |
| page_save = snd_ac97_page_save(ac97, reg, kcontrol); |
| val = (ucontrol->value.integer.value[0] & mask); |
| if (invert) |
| val = mask - val; |
| val_mask = mask << shift; |
| val = val << shift; |
| if (shift != rshift) { |
| val2 = (ucontrol->value.integer.value[1] & mask); |
| if (invert) |
| val2 = mask - val2; |
| val_mask |= mask << rshift; |
| val |= val2 << rshift; |
| } |
| err = snd_ac97_update_bits(ac97, reg, val_mask, val); |
| snd_ac97_page_restore(ac97, page_save); |
| #ifdef CONFIG_SND_AC97_POWER_SAVE |
| /* check analog mixer power-down */ |
| if ((val_mask & AC97_PD_EAPD) && |
| (kcontrol->private_value & (1<<30))) { |
| if (val & AC97_PD_EAPD) |
| ac97->power_up &= ~(1 << (reg>>1)); |
| else |
| ac97->power_up |= 1 << (reg>>1); |
| update_power_regs(ac97); |
| } |
| #endif |
| return err; |
| } |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { |
| AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), |
| AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { |
| AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), |
| AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = |
| AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); |
| |
| |
| static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; |
| static const char* std_3d_path[] = {"pre 3D", "post 3D"}; |
| static const char* std_mix[] = {"Mix", "Mic"}; |
| static const char* std_mic[] = {"Mic1", "Mic2"}; |
| |
| static const struct ac97_enum std_enum[] = { |
| AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), |
| AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), |
| AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), |
| AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_control_capture_src = |
| AC97_ENUM("Capture Source", std_enum[0]); |
| |
| static const struct snd_kcontrol_new snd_ac97_control_capture_vol = |
| AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { |
| AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), |
| AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) |
| }; |
| |
| enum { |
| AC97_GENERAL_PCM_OUT = 0, |
| AC97_GENERAL_STEREO_ENHANCEMENT, |
| AC97_GENERAL_3D, |
| AC97_GENERAL_LOUDNESS, |
| AC97_GENERAL_MONO, |
| AC97_GENERAL_MIC, |
| AC97_GENERAL_LOOPBACK |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { |
| AC97_ENUM("PCM Out Path & Mute", std_enum[1]), |
| AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), |
| AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), |
| AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), |
| AC97_ENUM("Mono Output Select", std_enum[2]), |
| AC97_ENUM("Mic Select", std_enum[3]), |
| AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { |
| AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), |
| AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { |
| AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), |
| AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { |
| AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), |
| AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_control_eapd = |
| AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { |
| AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), |
| AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) |
| }; |
| |
| /* change the existing EAPD control as inverted */ |
| static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) |
| { |
| kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); |
| snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ |
| ac97->scaps |= AC97_SCAP_INV_EAPD; |
| } |
| |
| static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; |
| uinfo->count = 1; |
| return 0; |
| } |
| |
| static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | |
| IEC958_AES0_NONAUDIO | |
| IEC958_AES0_CON_EMPHASIS_5015 | |
| IEC958_AES0_CON_NOT_COPYRIGHT; |
| ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | |
| IEC958_AES1_CON_ORIGINAL; |
| ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; |
| return 0; |
| } |
| |
| static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| /* FIXME: AC'97 spec doesn't say which bits are used for what */ |
| ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | |
| IEC958_AES0_NONAUDIO | |
| IEC958_AES0_PRO_FS | |
| IEC958_AES0_PRO_EMPHASIS_5015; |
| return 0; |
| } |
| |
| static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| |
| mutex_lock(&ac97->reg_mutex); |
| ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; |
| ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; |
| ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; |
| ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; |
| mutex_unlock(&ac97->reg_mutex); |
| return 0; |
| } |
| |
| static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| unsigned int new = 0; |
| unsigned short val = 0; |
| int change; |
| |
| new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); |
| if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { |
| new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); |
| switch (new & IEC958_AES0_PRO_FS) { |
| case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; |
| case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; |
| case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; |
| default: val |= 1<<12; break; |
| } |
| if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) |
| val |= 1<<3; |
| } else { |
| new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); |
| new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); |
| new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); |
| if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) |
| val |= 1<<3; |
| if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) |
| val |= 1<<2; |
| val |= ((new >> 8) & 0xff) << 4; // category + original |
| switch ((new >> 24) & 0xff) { |
| case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; |
| case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; |
| case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; |
| default: val |= 1<<12; break; |
| } |
| } |
| |
| mutex_lock(&ac97->reg_mutex); |
| change = ac97->spdif_status != new; |
| ac97->spdif_status = new; |
| |
| if (ac97->flags & AC97_CS_SPDIF) { |
| int x = (val >> 12) & 0x03; |
| switch (x) { |
| case 0: x = 1; break; // 44.1 |
| case 2: x = 0; break; // 48.0 |
| default: x = 0; break; // illegal. |
| } |
| change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); |
| } else if (ac97->flags & AC97_CX_SPDIF) { |
| int v; |
| v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; |
| v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; |
| change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, |
| AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, |
| v); |
| } else if (ac97->id == AC97_ID_YMF743) { |
| change |= snd_ac97_update_bits_nolock(ac97, |
| AC97_YMF7X3_DIT_CTRL, |
| 0xff38, |
| ((val << 4) & 0xff00) | |
| ((val << 2) & 0x0038)); |
| } else { |
| unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); |
| snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ |
| |
| change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); |
| if (extst & AC97_EA_SPDIF) { |
| snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ |
| } |
| } |
| mutex_unlock(&ac97->reg_mutex); |
| |
| return change; |
| } |
| |
| static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| int reg = kcontrol->private_value & 0xff; |
| int shift = (kcontrol->private_value >> 8) & 0x0f; |
| int mask = (kcontrol->private_value >> 16) & 0xff; |
| // int invert = (kcontrol->private_value >> 24) & 0xff; |
| unsigned short value, old, new; |
| int change; |
| |
| value = (ucontrol->value.integer.value[0] & mask); |
| |
| mutex_lock(&ac97->reg_mutex); |
| mask <<= shift; |
| value <<= shift; |
| old = snd_ac97_read_cache(ac97, reg); |
| new = (old & ~mask) | value; |
| change = old != new; |
| |
| if (change) { |
| unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); |
| snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ |
| change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); |
| if (extst & AC97_EA_SPDIF) |
| snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ |
| } |
| mutex_unlock(&ac97->reg_mutex); |
| return change; |
| } |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { |
| { |
| .access = SNDRV_CTL_ELEM_ACCESS_READ, |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), |
| .info = snd_ac97_spdif_mask_info, |
| .get = snd_ac97_spdif_cmask_get, |
| }, |
| { |
| .access = SNDRV_CTL_ELEM_ACCESS_READ, |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), |
| .info = snd_ac97_spdif_mask_info, |
| .get = snd_ac97_spdif_pmask_get, |
| }, |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), |
| .info = snd_ac97_spdif_mask_info, |
| .get = snd_ac97_spdif_default_get, |
| .put = snd_ac97_spdif_default_put, |
| }, |
| |
| AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", |
| .info = snd_ac97_info_volsw, |
| .get = snd_ac97_get_volsw, |
| .put = snd_ac97_put_spsa, |
| .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) |
| }, |
| }; |
| |
| #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ |
| .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ |
| .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } |
| |
| static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| int mask = (kcontrol->private_value >> 16) & 0x0f; |
| int lshift = (kcontrol->private_value >> 8) & 0x0f; |
| int rshift = (kcontrol->private_value >> 12) & 0x0f; |
| |
| uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
| if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) |
| uinfo->count = 2; |
| else |
| uinfo->count = 1; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = mask; |
| return 0; |
| } |
| |
| static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| int codec = kcontrol->private_value & 3; |
| int lshift = (kcontrol->private_value >> 8) & 0x0f; |
| int rshift = (kcontrol->private_value >> 12) & 0x0f; |
| int mask = (kcontrol->private_value >> 16) & 0xff; |
| |
| ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); |
| if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) |
| ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); |
| return 0; |
| } |
| |
| static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| int codec = kcontrol->private_value & 3; |
| int lshift = (kcontrol->private_value >> 8) & 0x0f; |
| int rshift = (kcontrol->private_value >> 12) & 0x0f; |
| int mask = (kcontrol->private_value >> 16) & 0xff; |
| unsigned short val, valmask; |
| |
| val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; |
| valmask = mask << lshift; |
| if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { |
| val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; |
| valmask |= mask << rshift; |
| } |
| return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); |
| } |
| |
| #define AD18XX_PCM_VOLUME(xname, codec) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ |
| .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ |
| .private_value = codec } |
| |
| static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = 2; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 31; |
| return 0; |
| } |
| |
| static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| int codec = kcontrol->private_value & 3; |
| |
| mutex_lock(&ac97->page_mutex); |
| ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); |
| ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); |
| mutex_unlock(&ac97->page_mutex); |
| return 0; |
| } |
| |
| static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
| int codec = kcontrol->private_value & 3; |
| unsigned short val1, val2; |
| |
| val1 = 31 - (ucontrol->value.integer.value[0] & 31); |
| val2 = 31 - (ucontrol->value.integer.value[1] & 31); |
| return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); |
| } |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { |
| AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), |
| AD18XX_PCM_VOLUME("PCM Playback Volume", 0) |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { |
| AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), |
| AD18XX_PCM_VOLUME("Surround Playback Volume", 1) |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { |
| AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), |
| AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) |
| }; |
| |
| static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { |
| AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), |
| AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) |
| }; |
| |
| /* |
| * |
| */ |
| |
| static void snd_ac97_powerdown(struct snd_ac97 *ac97); |
| |
| static int snd_ac97_bus_free(struct snd_ac97_bus *bus) |
| { |
| if (bus) { |
| snd_ac97_bus_proc_done(bus); |
| kfree(bus->pcms); |
| if (bus->private_free) |
| bus->private_free(bus); |
| kfree(bus); |
| } |
| return 0; |
| } |
| |
| static int snd_ac97_bus_dev_free(struct snd_device *device) |
| { |
| struct snd_ac97_bus *bus = device->device_data; |
| return snd_ac97_bus_free(bus); |
| } |
| |
| static int snd_ac97_free(struct snd_ac97 *ac97) |
| { |
| if (ac97) { |
| #ifdef CONFIG_SND_AC97_POWER_SAVE |
| cancel_delayed_work_sync(&ac97->power_work); |
| #endif |
| snd_ac97_proc_done(ac97); |
| if (ac97->bus) |
| ac97->bus->codec[ac97->num] = NULL; |
| if (ac97->private_free) |
| ac97->private_free(ac97); |
| kfree(ac97); |
| } |
| return 0; |
| } |
| |
| static int snd_ac97_dev_free(struct snd_device *device) |
| { |
| struct snd_ac97 *ac97 = device->device_data; |
| snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ |
| return snd_ac97_free(ac97); |
| } |
| |
| static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) |
| { |
| unsigned short val, mask = AC97_MUTE_MASK_MONO; |
| |
| if (! snd_ac97_valid_reg(ac97, reg)) |
| return 0; |
| |
| switch (reg) { |
| case AC97_MASTER_TONE: |
| return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; |
| case AC97_HEADPHONE: |
| return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; |
| case AC97_REC_GAIN_MIC: |
| return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; |
| case AC97_3D_CONTROL: |
| if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { |
| val = snd_ac97_read(ac97, reg); |
| /* if nonzero - fixed and we can't set it */ |
| return val == 0; |
| } |
| return 0; |
| case AC97_CENTER_LFE_MASTER: /* center */ |
| if ((ac97->ext_id & AC97_EI_CDAC) == 0) |
| return 0; |
| break; |
| case AC97_CENTER_LFE_MASTER+1: /* lfe */ |
| if ((ac97->ext_id & AC97_EI_LDAC) == 0) |
| return 0; |
| reg = AC97_CENTER_LFE_MASTER; |
| mask = 0x0080; |
| break; |
| case AC97_SURROUND_MASTER: |
| if ((ac97->ext_id & AC97_EI_SDAC) == 0) |
| return 0; |
| break; |
| } |
| |
| val = snd_ac97_read(ac97, reg); |
| if (!(val & mask)) { |
| /* nothing seems to be here - mute flag is not set */ |
| /* try another test */ |
| snd_ac97_write_cache(ac97, reg, val | mask); |
| val = snd_ac97_read(ac97, reg); |
| val = snd_ac97_read(ac97, reg); |
| if (!(val & mask)) |
| return 0; /* nothing here */ |
| } |
| return 1; /* success, useable */ |
| } |
| |
| static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) |
| { |
| unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; |
| unsigned char max[3] = { 63, 31, 15 }; |
| int i; |
| |
| /* first look up the static resolution table */ |
| if (ac97->res_table) { |
| const struct snd_ac97_res_table *tbl; |
| for (tbl = ac97->res_table; tbl->reg; tbl++) { |
| if (tbl->reg == reg) { |
| *lo_max = tbl->bits & 0xff; |
| *hi_max = (tbl->bits >> 8) & 0xff; |
| return; |
| } |
| } |
| } |
| |
| *lo_max = *hi_max = 0; |
| for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { |
| unsigned short val; |
| snd_ac97_write( |
| ac97, reg, |
| AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) |
| ); |
| /* Do the read twice due to buffers on some ac97 codecs. |
| * e.g. The STAC9704 returns exactly what you wrote to the register |
| * if you read it immediately. This causes the detect routine to fail. |
| */ |
| val = snd_ac97_read(ac97, reg); |
| val = snd_ac97_read(ac97, reg); |
| if (! *lo_max && (val & 0x7f) == cbit[i]) |
| *lo_max = max[i]; |
| if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) |
| *hi_max = max[i]; |
| if (*lo_max && *hi_max) |
| break; |
| } |
| } |
| |
| static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) |
| { |
| unsigned short mask, val, orig, res; |
| |
| mask = 1 << bit; |
| orig = snd_ac97_read(ac97, reg); |
| val = orig ^ mask; |
| snd_ac97_write(ac97, reg, val); |
| res = snd_ac97_read(ac97, reg); |
| snd_ac97_write_cache(ac97, reg, orig); |
| return res == val; |
| } |
| |
| /* check the volume resolution of center/lfe */ |
| static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) |
| { |
| unsigned short val, val1; |
| |
| *max = 63; |
| val = AC97_MUTE_MASK_STEREO | (0x20 << shift); |
| snd_ac97_write(ac97, reg, val); |
| val1 = snd_ac97_read(ac97, reg); |
| if (val != val1) { |
| *max = 31; |
| } |
| /* reset volume to zero */ |
| snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); |
| } |
| |
| static inline int printable(unsigned int x) |
| { |
| x &= 0xff; |
| if (x < ' ' || x >= 0x71) { |
| if (x <= 0x89) |
| return x - 0x71 + 'A'; |
| return '?'; |
| } |
| return x; |
| } |
| |
| static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, |
| struct snd_ac97 * ac97) |
| { |
| struct snd_kcontrol_new template; |
| memcpy(&template, _template, sizeof(template)); |
| template.index = ac97->num; |
| return snd_ctl_new1(&template, ac97); |
| } |
| |
| /* |
| * create mute switch(es) for normal stereo controls |
| */ |
| static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, |
| int check_stereo, int check_amix, |
| struct snd_ac97 *ac97) |
| { |
| struct snd_kcontrol *kctl; |
| int err; |
| unsigned short val, val1, mute_mask; |
| |
| if (! snd_ac97_valid_reg(ac97, reg)) |
| return 0; |
| |
| mute_mask = AC97_MUTE_MASK_MONO; |
| val = snd_ac97_read(ac97, reg); |
| if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { |
| /* check whether both mute bits work */ |
| val1 = val | AC97_MUTE_MASK_STEREO; |
| snd_ac97_write(ac97, reg, val1); |
| if (val1 == snd_ac97_read(ac97, reg)) |
| mute_mask = AC97_MUTE_MASK_STEREO; |
| } |
| if (mute_mask == AC97_MUTE_MASK_STEREO) { |
| struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); |
| if (check_amix) |
| tmp.private_value |= (1 << 30); |
| tmp.index = ac97->num; |
| kctl = snd_ctl_new1(&tmp, ac97); |
| } else { |
| struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); |
| if (check_amix) |
| tmp.private_value |= (1 << 30); |
| tmp.index = ac97->num; |
| kctl = snd_ctl_new1(&tmp, ac97); |
| } |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| /* mute as default */ |
| snd_ac97_write_cache(ac97, reg, val | mute_mask); |
| return 0; |
| } |
| |
| /* |
| * set dB information |
| */ |
| static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); |
| static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); |
| static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); |
| static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); |
| static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); |
| |
| static const unsigned int *find_db_scale(unsigned int maxval) |
| { |
| switch (maxval) { |
| case 0x0f: return db_scale_4bit; |
| case 0x1f: return db_scale_5bit; |
| case 0x3f: return db_scale_6bit; |
| } |
| return NULL; |
| } |
| |
| static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) |
| { |
| kctl->tlv.p = tlv; |
| if (tlv) |
| kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; |
| } |
| |
| /* |
| * create a volume for normal stereo/mono controls |
| */ |
| static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, |
| unsigned int hi_max, struct snd_ac97 *ac97) |
| { |
| int err; |
| struct snd_kcontrol *kctl; |
| |
| if (! snd_ac97_valid_reg(ac97, reg)) |
| return 0; |
| if (hi_max) { |
| /* invert */ |
| struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); |
| tmp.index = ac97->num; |
| kctl = snd_ctl_new1(&tmp, ac97); |
| } else { |
| /* invert */ |
| struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); |
| tmp.index = ac97->num; |
| kctl = snd_ctl_new1(&tmp, ac97); |
| } |
| if (!kctl) |
| return -ENOMEM; |
| if (reg >= AC97_PHONE && reg <= AC97_PCM) |
| set_tlv_db_scale(kctl, db_scale_5bit_12db_max); |
| else |
| set_tlv_db_scale(kctl, find_db_scale(lo_max)); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| snd_ac97_write_cache( |
| ac97, reg, |
| (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) |
| | lo_max | (hi_max << 8) |
| ); |
| return 0; |
| } |
| |
| /* |
| * create a mute-switch and a volume for normal stereo/mono controls |
| */ |
| static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, |
| int reg, int check_stereo, int check_amix, |
| struct snd_ac97 *ac97) |
| { |
| int err; |
| char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; |
| unsigned char lo_max, hi_max; |
| |
| if (! snd_ac97_valid_reg(ac97, reg)) |
| return 0; |
| |
| if (snd_ac97_try_bit(ac97, reg, 15)) { |
| sprintf(name, "%s Switch", pfx); |
| err = snd_ac97_cmute_new_stereo(card, name, reg, |
| check_stereo, check_amix, |
| ac97); |
| if (err < 0) |
| return err; |
| } |
| check_volume_resolution(ac97, reg, &lo_max, &hi_max); |
| if (lo_max) { |
| sprintf(name, "%s Volume", pfx); |
| err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97); |
| if (err < 0) |
| return err; |
| } |
| return 0; |
| } |
| |
| #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ |
| snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) |
| #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ |
| snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) |
| |
| static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); |
| |
| static int snd_ac97_mixer_build(struct snd_ac97 * ac97) |
| { |
| struct snd_card *card = ac97->bus->card; |
| struct snd_kcontrol *kctl; |
| int err; |
| unsigned int idx; |
| unsigned char max; |
| |
| /* build master controls */ |
| /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { |
| if (ac97->flags & AC97_HAS_NO_MASTER_VOL) |
| err = snd_ac97_cmute_new(card, "Master Playback Switch", |
| AC97_MASTER, 0, ac97); |
| else |
| err = snd_ac97_cmix_new(card, "Master Playback", |
| AC97_MASTER, 0, ac97); |
| if (err < 0) |
| return err; |
| } |
| |
| ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; |
| |
| /* build center controls */ |
| if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) |
| && !(ac97->flags & AC97_AD_MULTI)) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97)); |
| if (err < 0) |
| return err; |
| err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97)); |
| if (err < 0) |
| return err; |
| snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); |
| kctl->private_value &= ~(0xff << 16); |
| kctl->private_value |= (int)max << 16; |
| set_tlv_db_scale(kctl, find_db_scale(max)); |
| snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); |
| } |
| |
| /* build LFE controls */ |
| if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) |
| && !(ac97->flags & AC97_AD_MULTI)) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97)); |
| if (err < 0) |
| return err; |
| err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97)); |
| if (err < 0) |
| return err; |
| snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); |
| kctl->private_value &= ~(0xff << 16); |
| kctl->private_value |= (int)max << 16; |
| set_tlv_db_scale(kctl, find_db_scale(max)); |
| snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); |
| } |
| |
| /* build surround controls */ |
| if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) |
| && !(ac97->flags & AC97_AD_MULTI)) { |
| /* Surround Master (0x38) is with stereo mutes */ |
| err = snd_ac97_cmix_new_stereo(card, "Surround Playback", |
| AC97_SURROUND_MASTER, 1, 0, |
| ac97); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build headphone controls */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { |
| err = snd_ac97_cmix_new(card, "Headphone Playback", |
| AC97_HEADPHONE, 0, ac97); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build master mono controls */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { |
| err = snd_ac97_cmix_new(card, "Master Mono Playback", |
| AC97_MASTER_MONO, 0, ac97); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build master tone controls */ |
| if (!(ac97->flags & AC97_HAS_NO_TONE)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { |
| for (idx = 0; idx < 2; idx++) { |
| kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| if (ac97->id == AC97_ID_YMF743 || |
| ac97->id == AC97_ID_YMF753) { |
| kctl->private_value &= ~(0xff << 16); |
| kctl->private_value |= 7 << 16; |
| } |
| } |
| snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); |
| } |
| } |
| |
| /* build Beep controls */ |
| if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && |
| ((ac97->flags & AC97_HAS_PC_BEEP) || |
| snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { |
| for (idx = 0; idx < 2; idx++) { |
| kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| } |
| set_tlv_db_scale(kctl, db_scale_4bit); |
| snd_ac97_write_cache( |
| ac97, |
| AC97_PC_BEEP, |
| (snd_ac97_read(ac97, AC97_PC_BEEP) |
| | AC97_MUTE_MASK_MONO | 0x001e) |
| ); |
| } |
| |
| /* build Phone controls */ |
| if (!(ac97->flags & AC97_HAS_NO_PHONE)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { |
| err = snd_ac97_cmix_new(card, "Phone Playback", |
| AC97_PHONE, 1, ac97); |
| if (err < 0) |
| return err; |
| } |
| } |
| |
| /* build MIC controls */ |
| if (!(ac97->flags & AC97_HAS_NO_MIC)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { |
| err = snd_ac97_cmix_new(card, "Mic Playback", |
| AC97_MIC, 1, ac97); |
| if (err < 0) |
| return err; |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97)); |
| if (err < 0) |
| return err; |
| } |
| } |
| |
| /* build Line controls */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { |
| err = snd_ac97_cmix_new(card, "Line Playback", |
| AC97_LINE, 1, ac97); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build CD controls */ |
| if (!(ac97->flags & AC97_HAS_NO_CD)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { |
| err = snd_ac97_cmix_new(card, "CD Playback", |
| AC97_CD, 1, ac97); |
| if (err < 0) |
| return err; |
| } |
| } |
| |
| /* build Video controls */ |
| if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { |
| err = snd_ac97_cmix_new(card, "Video Playback", |
| AC97_VIDEO, 1, ac97); |
| if (err < 0) |
| return err; |
| } |
| } |
| |
| /* build Aux controls */ |
| if (!(ac97->flags & AC97_HAS_NO_AUX)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { |
| err = snd_ac97_cmix_new(card, "Aux Playback", |
| AC97_AUX, 1, ac97); |
| if (err < 0) |
| return err; |
| } |
| } |
| |
| /* build PCM controls */ |
| if (ac97->flags & AC97_AD_MULTI) { |
| unsigned short init_val; |
| if (ac97->flags & AC97_STEREO_MUTES) |
| init_val = 0x9f9f; |
| else |
| init_val = 0x9f1f; |
| for (idx = 0; idx < 2; idx++) { |
| kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| } |
| set_tlv_db_scale(kctl, db_scale_5bit); |
| ac97->spec.ad18xx.pcmreg[0] = init_val; |
| if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { |
| for (idx = 0; idx < 2; idx++) { |
| kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| } |
| set_tlv_db_scale(kctl, db_scale_5bit); |
| ac97->spec.ad18xx.pcmreg[1] = init_val; |
| } |
| if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { |
| for (idx = 0; idx < 2; idx++) { |
| kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| } |
| set_tlv_db_scale(kctl, db_scale_5bit); |
| for (idx = 0; idx < 2; idx++) { |
| kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| } |
| set_tlv_db_scale(kctl, db_scale_5bit); |
| ac97->spec.ad18xx.pcmreg[2] = init_val; |
| } |
| snd_ac97_write_cache(ac97, AC97_PCM, init_val); |
| } else { |
| if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { |
| if (ac97->flags & AC97_HAS_NO_PCM_VOL) |
| err = snd_ac97_cmute_new(card, |
| "PCM Playback Switch", |
| AC97_PCM, 0, ac97); |
| else |
| err = snd_ac97_cmix_new(card, "PCM Playback", |
| AC97_PCM, 0, ac97); |
| if (err < 0) |
| return err; |
| } |
| } |
| |
| /* build Capture controls */ |
| if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97)); |
| if (err < 0) |
| return err; |
| if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { |
| err = snd_ac97_cmute_new(card, "Capture Switch", |
| AC97_REC_GAIN, 0, ac97); |
| if (err < 0) |
| return err; |
| } |
| kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| set_tlv_db_scale(kctl, db_scale_rec_gain); |
| snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); |
| snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); |
| } |
| /* build MIC Capture controls */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { |
| for (idx = 0; idx < 2; idx++) { |
| kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| } |
| set_tlv_db_scale(kctl, db_scale_rec_gain); |
| snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); |
| } |
| |
| /* build PCM out path & mute control */ |
| if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97)); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build Simulated Stereo Enhancement control */ |
| if (ac97->caps & AC97_BC_SIM_STEREO) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97)); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build 3D Stereo Enhancement control */ |
| if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97)); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build Loudness control */ |
| if (ac97->caps & AC97_BC_LOUDNESS) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97)); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build Mono output select control */ |
| if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97)); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build Mic select control */ |
| if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97)); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build ADC/DAC loopback control */ |
| if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97)); |
| if (err < 0) |
| return err; |
| } |
| |
| snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); |
| |
| /* build 3D controls */ |
| if (ac97->build_ops->build_3d) { |
| ac97->build_ops->build_3d(ac97); |
| } else { |
| if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { |
| unsigned short val; |
| val = 0x0707; |
| snd_ac97_write(ac97, AC97_3D_CONTROL, val); |
| val = snd_ac97_read(ac97, AC97_3D_CONTROL); |
| val = val == 0x0606; |
| kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| if (val) |
| kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); |
| kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| if (val) |
| kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); |
| snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); |
| } |
| } |
| |
| /* build S/PDIF controls */ |
| |
| /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ |
| if (ac97->subsystem_vendor == 0x1043 && |
| ac97->subsystem_device == 0x810f) |
| ac97->ext_id |= AC97_EI_SPDIF; |
| |
| if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { |
| if (ac97->build_ops->build_spdif) { |
| err = ac97->build_ops->build_spdif(ac97); |
| if (err < 0) |
| return err; |
| } else { |
| for (idx = 0; idx < 5; idx++) { |
| err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97)); |
| if (err < 0) |
| return err; |
| } |
| if (ac97->build_ops->build_post_spdif) { |
| err = ac97->build_ops->build_post_spdif(ac97); |
| if (err < 0) |
| return err; |
| } |
| /* set default PCM S/PDIF params */ |
| /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ |
| snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); |
| ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); |
| } |
| ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; |
| } |
| |
| /* build chip specific controls */ |
| if (ac97->build_ops->build_specific) { |
| err = ac97->build_ops->build_specific(ac97); |
| if (err < 0) |
| return err; |
| } |
| |
| if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { |
| kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); |
| if (! kctl) |
| return -ENOMEM; |
| if (ac97->scaps & AC97_SCAP_INV_EAPD) |
| set_inv_eapd(ac97, kctl); |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) |
| { |
| int err, idx; |
| |
| /* |
| ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n", |
| snd_ac97_read(ac97,AC97_GPIO_CFG)); |
| */ |
| snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); |
| snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); |
| snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); |
| snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); |
| snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); |
| |
| /* build modem switches */ |
| for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) { |
| err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97)); |
| if (err < 0) |
| return err; |
| } |
| |
| /* build chip specific controls */ |
| if (ac97->build_ops->build_specific) { |
| err = ac97->build_ops->build_specific(ac97); |
| if (err < 0) |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) |
| { |
| unsigned short val; |
| unsigned int tmp; |
| |
| tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; |
| snd_ac97_write_cache(ac97, reg, tmp & 0xffff); |
| if (shadow_reg) |
| snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); |
| val = snd_ac97_read(ac97, reg); |
| return val == (tmp & 0xffff); |
| } |
| |
| static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) |
| { |
| unsigned int result = 0; |
| unsigned short saved; |
| |
| if (ac97->bus->no_vra) { |
| *r_result = SNDRV_PCM_RATE_48000; |
| if ((ac97->flags & AC97_DOUBLE_RATE) && |
| reg == AC97_PCM_FRONT_DAC_RATE) |
| *r_result |= SNDRV_PCM_RATE_96000; |
| return; |
| } |
| |
| saved = snd_ac97_read(ac97, reg); |
| if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) |
| snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, |
| AC97_EA_DRA, 0); |
| /* test a non-standard rate */ |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) |
| result |= SNDRV_PCM_RATE_CONTINUOUS; |
| /* let's try to obtain standard rates */ |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) |
| result |= SNDRV_PCM_RATE_8000; |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) |
| result |= SNDRV_PCM_RATE_11025; |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) |
| result |= SNDRV_PCM_RATE_16000; |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) |
| result |= SNDRV_PCM_RATE_22050; |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) |
| result |= SNDRV_PCM_RATE_32000; |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) |
| result |= SNDRV_PCM_RATE_44100; |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) |
| result |= SNDRV_PCM_RATE_48000; |
| if ((ac97->flags & AC97_DOUBLE_RATE) && |
| reg == AC97_PCM_FRONT_DAC_RATE) { |
| /* test standard double rates */ |
| snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, |
| AC97_EA_DRA, AC97_EA_DRA); |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) |
| result |= SNDRV_PCM_RATE_64000; |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) |
| result |= SNDRV_PCM_RATE_88200; |
| if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) |
| result |= SNDRV_PCM_RATE_96000; |
| /* some codecs don't support variable double rates */ |
| if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) |
| result &= ~SNDRV_PCM_RATE_CONTINUOUS; |
| snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, |
| AC97_EA_DRA, 0); |
| } |
| /* restore the default value */ |
| snd_ac97_write_cache(ac97, reg, saved); |
| if (shadow_reg) |
| snd_ac97_write_cache(ac97, shadow_reg, saved); |
| *r_result = result; |
| } |
| |
| /* check AC97_SPDIF register to accept which sample rates */ |
| static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) |
| { |
| unsigned int result = 0; |
| int i; |
| static const unsigned short ctl_bits[] = { |
| AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K |
| }; |
| static const unsigned int rate_bits[] = { |
| SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 |
| }; |
| |
| for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { |
| snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); |
| if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) |
| result |= rate_bits[i]; |
| } |
| return result; |
| } |
| |
| /* look for the codec id table matching with the given id */ |
| static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, |
| unsigned int id) |
| { |
| const struct ac97_codec_id *pid; |
| |
| for (pid = table; pid->id; pid++) |
| if (pid->id == (id & pid->mask)) |
| return pid; |
| return NULL; |
| } |
| |
| void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) |
| { |
| const struct ac97_codec_id *pid; |
| |
| sprintf(name, "0x%x %c%c%c", id, |
| printable(id >> 24), |
| printable(id >> 16), |
| printable(id >> 8)); |
| pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); |
| if (! pid) |
| return; |
| |
| strcpy(name, pid->name); |
| if (ac97 && pid->patch) { |
| if ((modem && (pid->flags & AC97_MODEM_PATCH)) || |
| (! modem && ! (pid->flags & AC97_MODEM_PATCH))) |
| pid->patch(ac97); |
| } |
| |
| pid = look_for_codec_id(snd_ac97_codec_ids, id); |
| if (pid) { |
| strcat(name, " "); |
| strcat(name, pid->name); |
| if (pid->mask != 0xffffffff) |
| sprintf(name + strlen(name), " rev %d", id & ~pid->mask); |
| if (ac97 && pid->patch) { |
| if ((modem && (pid->flags & AC97_MODEM_PATCH)) || |
| (! modem && ! (pid->flags & AC97_MODEM_PATCH))) |
| pid->patch(ac97); |
| } |
| } else |
| sprintf(name + strlen(name), " id %x", id & 0xff); |
| } |
| |
| /** |
| * snd_ac97_get_short_name - retrieve codec name |
| * @ac97: the codec instance |
| * |
| * Return: The short identifying name of the codec. |
| */ |
| const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) |
| { |
| const struct ac97_codec_id *pid; |
| |
| for (pid = snd_ac97_codec_ids; pid->id; pid++) |
| if (pid->id == (ac97->id & pid->mask)) |
| return pid->name; |
| return "unknown codec"; |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_get_short_name); |
| |
| /* wait for a while until registers are accessible after RESET |
| * return 0 if ok, negative not ready |
| */ |
| static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) |
| { |
| unsigned long end_time; |
| unsigned short val; |
| |
| end_time = jiffies + timeout; |
| do { |
| |
| /* use preliminary reads to settle the communication */ |
| snd_ac97_read(ac97, AC97_RESET); |
| snd_ac97_read(ac97, AC97_VENDOR_ID1); |
| snd_ac97_read(ac97, AC97_VENDOR_ID2); |
| /* modem? */ |
| if (with_modem) { |
| val = snd_ac97_read(ac97, AC97_EXTENDED_MID); |
| if (val != 0xffff && (val & 1) != 0) |
| return 0; |
| } |
| if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { |
| /* probably only Xbox issue - all registers are read as zero */ |
| val = snd_ac97_read(ac97, AC97_VENDOR_ID1); |
| if (val != 0 && val != 0xffff) |
| return 0; |
| } else { |
| /* because the PCM or MASTER volume registers can be modified, |
| * the REC_GAIN register is used for tests |
| */ |
| /* test if we can write to the record gain volume register */ |
| snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); |
| if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) |
| return 0; |
| } |
| schedule_timeout_uninterruptible(1); |
| } while (time_after_eq(end_time, jiffies)); |
| return -ENODEV; |
| } |
| |
| /** |
| * snd_ac97_bus - create an AC97 bus component |
| * @card: the card instance |
| * @num: the bus number |
| * @ops: the bus callbacks table |
| * @private_data: private data pointer for the new instance |
| * @rbus: the pointer to store the new AC97 bus instance. |
| * |
| * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly |
| * allocated and initialized. |
| * |
| * The ops table must include valid callbacks (at least read and |
| * write). The other callbacks, wait and reset, are not mandatory. |
| * |
| * The clock is set to 48000. If another clock is needed, set |
| * ``(*rbus)->clock`` manually. |
| * |
| * The AC97 bus instance is registered as a low-level device, so you don't |
| * have to release it manually. |
| * |
| * Return: Zero if successful, or a negative error code on failure. |
| */ |
| int snd_ac97_bus(struct snd_card *card, int num, |
| const struct snd_ac97_bus_ops *ops, |
| void *private_data, struct snd_ac97_bus **rbus) |
| { |
| int err; |
| struct snd_ac97_bus *bus; |
| static const struct snd_device_ops dev_ops = { |
| .dev_free = snd_ac97_bus_dev_free, |
| }; |
| |
| if (snd_BUG_ON(!card)) |
| return -EINVAL; |
| bus = kzalloc(sizeof(*bus), GFP_KERNEL); |
| if (bus == NULL) |
| return -ENOMEM; |
| bus->card = card; |
| bus->num = num; |
| bus->ops = ops; |
| bus->private_data = private_data; |
| bus->clock = 48000; |
| spin_lock_init(&bus->bus_lock); |
| snd_ac97_bus_proc_init(bus); |
| err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops); |
| if (err < 0) { |
| snd_ac97_bus_free(bus); |
| return err; |
| } |
| if (rbus) |
| *rbus = bus; |
| return 0; |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_bus); |
| |
| /* stop no dev release warning */ |
| static void ac97_device_release(struct device * dev) |
| { |
| } |
| |
| /* register ac97 codec to bus */ |
| static int snd_ac97_dev_register(struct snd_device *device) |
| { |
| struct snd_ac97 *ac97 = device->device_data; |
| int err; |
| |
| ac97->dev.bus = &ac97_bus_type; |
| ac97->dev.parent = ac97->bus->card->dev; |
| ac97->dev.release = ac97_device_release; |
| dev_set_name(&ac97->dev, "%d-%d:%s", |
| ac97->bus->card->number, ac97->num, |
| snd_ac97_get_short_name(ac97)); |
| err = device_register(&ac97->dev); |
| if (err < 0) { |
| ac97_err(ac97, "Can't register ac97 bus\n"); |
| ac97->dev.bus = NULL; |
| return err; |
| } |
| return 0; |
| } |
| |
| /* disconnect ac97 codec */ |
| static int snd_ac97_dev_disconnect(struct snd_device *device) |
| { |
| struct snd_ac97 *ac97 = device->device_data; |
| if (ac97->dev.bus) |
| device_unregister(&ac97->dev); |
| return 0; |
| } |
| |
| /* build_ops to do nothing */ |
| static const struct snd_ac97_build_ops null_build_ops; |
| |
| #ifdef CONFIG_SND_AC97_POWER_SAVE |
| static void do_update_power(struct work_struct *work) |
| { |
| update_power_regs( |
| container_of(work, struct snd_ac97, power_work.work)); |
| } |
| #endif |
| |
| /** |
| * snd_ac97_mixer - create an Codec97 component |
| * @bus: the AC97 bus which codec is attached to |
| * @template: the template of ac97, including index, callbacks and |
| * the private data. |
| * @rac97: the pointer to store the new ac97 instance. |
| * |
| * Creates an Codec97 component. An struct snd_ac97 instance is newly |
| * allocated and initialized from the template. The codec |
| * is then initialized by the standard procedure. |
| * |
| * The template must include the codec number (num) and address (addr), |
| * and the private data (private_data). |
| * |
| * The ac97 instance is registered as a low-level device, so you don't |
| * have to release it manually. |
| * |
| * Return: Zero if successful, or a negative error code on failure. |
| */ |
| int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) |
| { |
| int err; |
| struct snd_ac97 *ac97; |
| struct snd_card *card; |
| char name[64]; |
| unsigned long end_time; |
| unsigned int reg; |
| const struct ac97_codec_id *pid; |
| static const struct snd_device_ops ops = { |
| .dev_free = snd_ac97_dev_free, |
| .dev_register = snd_ac97_dev_register, |
| .dev_disconnect = snd_ac97_dev_disconnect, |
| }; |
| |
| if (rac97) |
| *rac97 = NULL; |
| if (snd_BUG_ON(!bus || !template)) |
| return -EINVAL; |
| if (snd_BUG_ON(template->num >= 4)) |
| return -EINVAL; |
| if (bus->codec[template->num]) |
| return -EBUSY; |
| |
| card = bus->card; |
| ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); |
| if (ac97 == NULL) |
| return -ENOMEM; |
| ac97->private_data = template->private_data; |
| ac97->private_free = template->private_free; |
| ac97->bus = bus; |
| ac97->pci = template->pci; |
| ac97->num = template->num; |
| ac97->addr = template->addr; |
| ac97->scaps = template->scaps; |
| ac97->res_table = template->res_table; |
| bus->codec[ac97->num] = ac97; |
| mutex_init(&ac97->reg_mutex); |
| mutex_init(&ac97->page_mutex); |
| #ifdef CONFIG_SND_AC97_POWER_SAVE |
| INIT_DELAYED_WORK(&ac97->power_work, do_update_power); |
| #endif |
| |
| #ifdef CONFIG_PCI |
| if (ac97->pci) { |
| pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); |
| pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); |
| } |
| #endif |
| if (bus->ops->reset) { |
| bus->ops->reset(ac97); |
| goto __access_ok; |
| } |
| |
| ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; |
| ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); |
| if (ac97->id && ac97->id != (unsigned int)-1) { |
| pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); |
| if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) |
| goto __access_ok; |
| } |
| |
| /* reset to defaults */ |
| if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) |
| snd_ac97_write(ac97, AC97_RESET, 0); |
| if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) |
| snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); |
| if (bus->ops->wait) |
| bus->ops->wait(ac97); |
| else { |
| udelay(50); |
| if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) |
| err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); |
| else { |
| err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); |
| if (err < 0) |
| err = ac97_reset_wait(ac97, |
| msecs_to_jiffies(500), 1); |
| } |
| if (err < 0) { |
| ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", |
| ac97->num); |
| /* proceed anyway - it's often non-critical */ |
| } |
| } |
| __access_ok: |
| ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; |
| ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); |
| if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && |
| (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { |
| ac97_err(ac97, |
| "AC'97 %d access is not valid [0x%x], removing mixer.\n", |
| ac97->num, ac97->id); |
| snd_ac97_free(ac97); |
| return -EIO; |
| } |
| pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); |
| if (pid) |
| ac97->flags |= pid->flags; |
| |
| /* test for AC'97 */ |
| if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { |
| /* test if we can write to the record gain volume register */ |
| snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); |
| err = snd_ac97_read(ac97, AC97_REC_GAIN); |
| if ((err & 0x7fff) == 0x0a06) |
| ac97->scaps |= AC97_SCAP_AUDIO; |
| } |
| if (ac97->scaps & AC97_SCAP_AUDIO) { |
| ac97->caps = snd_ac97_read(ac97, AC97_RESET); |
| ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); |
| if (ac97->ext_id == 0xffff) /* invalid combination */ |
| ac97->ext_id = 0; |
| } |
| |
| /* test for MC'97 */ |
| if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { |
| ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); |
| if (ac97->ext_mid == 0xffff) /* invalid combination */ |
| ac97->ext_mid = 0; |
| if (ac97->ext_mid & 1) |
| ac97->scaps |= AC97_SCAP_MODEM; |
| } |
| |
| if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { |
| if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) |
| ac97_err(ac97, |
| "AC'97 %d access error (not audio or modem codec)\n", |
| ac97->num); |
| snd_ac97_free(ac97); |
| return -EACCES; |
| } |
| |
| if (bus->ops->reset) // FIXME: always skipping? |
| goto __ready_ok; |
| |
| /* FIXME: add powerdown control */ |
| if (ac97_is_audio(ac97)) { |
| /* nothing should be in powerdown mode */ |
| snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); |
| if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { |
| snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ |
| udelay(100); |
| snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); |
| } |
| /* nothing should be in powerdown mode */ |
| snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); |
| end_time = jiffies + msecs_to_jiffies(5000); |
| do { |
| if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) |
| goto __ready_ok; |
| schedule_timeout_uninterruptible(1); |
| } while (time_after_eq(end_time, jiffies)); |
| ac97_warn(ac97, |
| "AC'97 %d analog subsections not ready\n", ac97->num); |
| } |
| |
| /* FIXME: add powerdown control */ |
| if (ac97_is_modem(ac97)) { |
| unsigned char tmp; |
| |
| /* nothing should be in powerdown mode */ |
| /* note: it's important to set the rate at first */ |
| tmp = AC97_MEA_GPIO; |
| if (ac97->ext_mid & AC97_MEI_LINE1) { |
| snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); |
| tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; |
| } |
| if (ac97->ext_mid & AC97_MEI_LINE2) { |
| snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); |
| tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; |
| } |
| if (ac97->ext_mid & AC97_MEI_HANDSET) { |
| snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); |
| tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; |
| } |
| snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); |
| udelay(100); |
| /* nothing should be in powerdown mode */ |
| snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); |
| end_time = jiffies + msecs_to_jiffies(100); |
| do { |
| if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) |
| goto __ready_ok; |
| schedule_timeout_uninterruptible(1); |
| } while (time_after_eq(end_time, jiffies)); |
| ac97_warn(ac97, |
| "MC'97 %d converters and GPIO not ready (0x%x)\n", |
| ac97->num, |
| snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); |
| } |
| |
| __ready_ok: |
| if (ac97_is_audio(ac97)) |
| ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; |
| else |
| ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; |
| if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ |
| reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); |
| reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ |
| if (! bus->no_vra) |
| reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ |
| snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); |
| } |
| if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { |
| /* Intel controllers require double rate data to be put in |
| * slots 7+8, so let's hope the codec supports it. */ |
| snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); |
| if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) |
| ac97->flags |= AC97_DOUBLE_RATE; |
| /* restore to slots 10/11 to avoid the confliction with surrounds */ |
| snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); |
| } |
| if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ |
| snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); |
| snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); |
| } else { |
| ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; |
| if (ac97->flags & AC97_DOUBLE_RATE) |
| ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; |
| ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; |
| } |
| if (ac97->ext_id & AC97_EI_SPDIF) { |
| /* codec specific code (patch) should override these values */ |
| ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; |
| } |
| if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ |
| snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); |
| } else { |
| ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; |
| } |
| if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ |
| snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); |
| ac97->scaps |= AC97_SCAP_SURROUND_DAC; |
| } |
| if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ |
| snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); |
| ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; |
| } |
| /* additional initializations */ |
| if (bus->ops->init) |
| bus->ops->init(ac97); |
| snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); |
| snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code |
| if (! ac97->build_ops) |
| ac97->build_ops = &null_build_ops; |
| |
| if (ac97_is_audio(ac97)) { |
| char comp[16]; |
| if (card->mixername[0] == '\0') { |
| strcpy(card->mixername, name); |
| } else { |
| if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { |
| strcat(card->mixername, ","); |
| strcat(card->mixername, name); |
| } |
| } |
| sprintf(comp, "AC97a:%08x", ac97->id); |
| err = snd_component_add(card, comp); |
| if (err < 0) { |
| snd_ac97_free(ac97); |
| return err; |
| } |
| if (snd_ac97_mixer_build(ac97) < 0) { |
| snd_ac97_free(ac97); |
| return -ENOMEM; |
| } |
| } |
| if (ac97_is_modem(ac97)) { |
| char comp[16]; |
| if (card->mixername[0] == '\0') { |
| strcpy(card->mixername, name); |
| } else { |
| if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { |
| strcat(card->mixername, ","); |
| strcat(card->mixername, name); |
| } |
| } |
| sprintf(comp, "AC97m:%08x", ac97->id); |
| err = snd_component_add(card, comp); |
| if (err < 0) { |
| snd_ac97_free(ac97); |
| return err; |
| } |
| if (snd_ac97_modem_build(card, ac97) < 0) { |
| snd_ac97_free(ac97); |
| return -ENOMEM; |
| } |
| } |
| if (ac97_is_audio(ac97)) |
| update_power_regs(ac97); |
| snd_ac97_proc_init(ac97); |
| err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops); |
| if (err < 0) { |
| snd_ac97_free(ac97); |
| return err; |
| } |
| *rac97 = ac97; |
| return 0; |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_mixer); |
| |
| /* |
| * Power down the chip. |
| * |
| * MASTER and HEADPHONE registers are muted but the register cache values |
| * are not changed, so that the values can be restored in snd_ac97_resume(). |
| */ |
| static void snd_ac97_powerdown(struct snd_ac97 *ac97) |
| { |
| unsigned short power; |
| |
| if (ac97_is_audio(ac97)) { |
| /* some codecs have stereo mute bits */ |
| snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); |
| snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); |
| } |
| |
| /* surround, CLFE, mic powerdown */ |
| power = ac97->regs[AC97_EXTENDED_STATUS]; |
| if (ac97->scaps & AC97_SCAP_SURROUND_DAC) |
| power |= AC97_EA_PRJ; |
| if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) |
| power |= AC97_EA_PRI | AC97_EA_PRK; |
| power |= AC97_EA_PRL; |
| snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); |
| |
| /* powerdown external amplifier */ |
| if (ac97->scaps & AC97_SCAP_INV_EAPD) |
| power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; |
| else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) |
| power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; |
| power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ |
| power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ |
| snd_ac97_write(ac97, AC97_POWERDOWN, power); |
| udelay(100); |
| power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ |
| snd_ac97_write(ac97, AC97_POWERDOWN, power); |
| if (ac97_is_power_save_mode(ac97)) { |
| power |= AC97_PD_PR3; /* Analog Mixer powerdown */ |
| snd_ac97_write(ac97, AC97_POWERDOWN, power); |
| udelay(100); |
| /* AC-link powerdown, internal Clk disable */ |
| /* FIXME: this may cause click noises on some boards */ |
| power |= AC97_PD_PR4 | AC97_PD_PR5; |
| snd_ac97_write(ac97, AC97_POWERDOWN, power); |
| } |
| } |
| |
| |
| struct ac97_power_reg { |
| unsigned short reg; |
| unsigned short power_reg; |
| unsigned short mask; |
| }; |
| |
| enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; |
| |
| static const struct ac97_power_reg power_regs[PWIDX_SIZE] = { |
| [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, |
| [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, |
| [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, |
| AC97_EA_PRI | AC97_EA_PRK}, |
| [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, |
| AC97_EA_PRJ}, |
| [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, |
| AC97_EA_PRL}, |
| }; |
| |
| #ifdef CONFIG_SND_AC97_POWER_SAVE |
| /** |
| * snd_ac97_update_power - update the powerdown register |
| * @ac97: the codec instance |
| * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE |
| * @powerup: non-zero when power up the part |
| * |
| * Update the AC97 powerdown register bits of the given part. |
| * |
| * Return: Zero. |
| */ |
| int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) |
| { |
| int i; |
| |
| if (! ac97) |
| return 0; |
| |
| if (reg) { |
| /* SPDIF requires DAC power, too */ |
| if (reg == AC97_SPDIF) |
| reg = AC97_PCM_FRONT_DAC_RATE; |
| for (i = 0; i < PWIDX_SIZE; i++) { |
| if (power_regs[i].reg == reg) { |
| if (powerup) |
| ac97->power_up |= (1 << i); |
| else |
| ac97->power_up &= ~(1 << i); |
| break; |
| } |
| } |
| } |
| |
| if (ac97_is_power_save_mode(ac97) && !powerup) |
| /* adjust power-down bits after two seconds delay |
| * (for avoiding loud click noises for many (OSS) apps |
| * that open/close frequently) |
| */ |
| schedule_delayed_work(&ac97->power_work, |
| msecs_to_jiffies(power_save * 1000)); |
| else { |
| cancel_delayed_work(&ac97->power_work); |
| update_power_regs(ac97); |
| } |
| |
| return 0; |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_update_power); |
| #endif /* CONFIG_SND_AC97_POWER_SAVE */ |
| |
| static void update_power_regs(struct snd_ac97 *ac97) |
| { |
| unsigned int power_up, bits; |
| int i; |
| |
| power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); |
| power_up |= (1 << PWIDX_MIC); |
| if (ac97->scaps & AC97_SCAP_SURROUND_DAC) |
| power_up |= (1 << PWIDX_SURR); |
| if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) |
| power_up |= (1 << PWIDX_CLFE); |
| #ifdef CONFIG_SND_AC97_POWER_SAVE |
| if (ac97_is_power_save_mode(ac97)) |
| power_up = ac97->power_up; |
| #endif |
| if (power_up) { |
| if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { |
| /* needs power-up analog mix and vref */ |
| snd_ac97_update_bits(ac97, AC97_POWERDOWN, |
| AC97_PD_PR3, 0); |
| msleep(1); |
| snd_ac97_update_bits(ac97, AC97_POWERDOWN, |
| AC97_PD_PR2, 0); |
| } |
| } |
| for (i = 0; i < PWIDX_SIZE; i++) { |
| if (power_up & (1 << i)) |
| bits = 0; |
| else |
| bits = power_regs[i].mask; |
| snd_ac97_update_bits(ac97, power_regs[i].power_reg, |
| power_regs[i].mask, bits); |
| } |
| if (! power_up) { |
| if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { |
| /* power down analog mix and vref */ |
| snd_ac97_update_bits(ac97, AC97_POWERDOWN, |
| AC97_PD_PR2, AC97_PD_PR2); |
| snd_ac97_update_bits(ac97, AC97_POWERDOWN, |
| AC97_PD_PR3, AC97_PD_PR3); |
| } |
| } |
| } |
| |
| |
| #ifdef CONFIG_PM |
| /** |
| * snd_ac97_suspend - General suspend function for AC97 codec |
| * @ac97: the ac97 instance |
| * |
| * Suspends the codec, power down the chip. |
| */ |
| void snd_ac97_suspend(struct snd_ac97 *ac97) |
| { |
| if (! ac97) |
| return; |
| if (ac97->build_ops->suspend) |
| ac97->build_ops->suspend(ac97); |
| #ifdef CONFIG_SND_AC97_POWER_SAVE |
| cancel_delayed_work_sync(&ac97->power_work); |
| #endif |
| snd_ac97_powerdown(ac97); |
| } |
| |
| EXPORT_SYMBOL(snd_ac97_suspend); |
| |
| /* |
| * restore ac97 status |
| */ |
| static void snd_ac97_restore_status(struct snd_ac97 *ac97) |
| { |
| int i; |
| |
| for (i = 2; i < 0x7c ; i += 2) { |
| if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) |
| continue; |
| /* restore only accessible registers |
| * some chip (e.g. nm256) may hang up when unsupported registers |
| * are accessed..! |
| */ |
| if (test_bit(i, ac97->reg_accessed)) { |
| snd_ac97_write(ac97, i, ac97->regs[i]); |
| snd_ac97_read(ac97, i); |
| } |
| } |
| } |
| |
| /* |
| * restore IEC958 status |
| */ |
| static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) |
| { |
| if (ac97->ext_id & AC97_EI_SPDIF) { |
| if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { |
| /* reset spdif status */ |
| snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); |
| snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); |
| if (ac97->flags & AC97_CS_SPDIF) |
| snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); |
| else |
| snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); |
| snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ |
| } |
| } |
| } |
| |
| /** |
| * snd_ac97_resume - General resume function for AC97 codec |
| * @ac97: the ac97 instance |
| * |
| * Do the standard resume procedure, power up and restoring the |
| * old register values. |
| */ |
| void snd_ac97_resume(struct snd_ac97 *ac97) |
| { |
| unsigned long end_time; |
| |
| if (! ac97) |
| return; |
| |
| if (ac97->bus->ops->reset) { |
| ac97->bus->ops->reset(ac97); |
| goto __reset_ready; |
| } |
| |
| snd_ac97_write(ac97, AC97_POWERDOWN, 0); |
| if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { |
| if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) |
| snd_ac97_write(ac97, AC97_RESET, 0); |
| else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) |
| snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); |
| udelay(100); |
| snd_ac97_write(ac97, AC97_POWERDOWN, 0); |
| } |
| snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); |
| |
| snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); |
| if (ac97_is_audio(ac97)) { |
| ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); |
| end_time = jiffies + msecs_to_jiffies(100); |
| do { |
| if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) |
| break; |
| schedule_timeout_uninterruptible(1); |
| } while (time_after_eq(end_time, jiffies)); |
| /* FIXME: extra delay */ |
| ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); |
| if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) |
| msleep( |