| /* |
| * Copyright (c) by Jaroslav Kysela <perex@suse.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). |
| * |
| * |
| * 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 <sound/driver.h> |
| #include <linux/delay.h> |
| #include <linux/init.h> |
| #include <linux/slab.h> |
| #include <linux/pci.h> |
| #include <linux/moduleparam.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/ac97_codec.h> |
| #include <sound/asoundef.h> |
| #include <sound/initval.h> |
| #include "ac97_local.h" |
| #include "ac97_id.h" |
| #include "ac97_patch.h" |
| |
| MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); |
| MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); |
| MODULE_LICENSE("GPL"); |
| |
| static int enable_loopback; |
| |
| module_param(enable_loopback, bool, 0444); |
| MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); |
| |
| /* |
| |
| */ |
| |
| typedef struct { |
| unsigned int id; |
| unsigned int mask; |
| const char *name; |
| int (*patch)(ac97_t *ac97); |
| int (*mpatch)(ac97_t *ac97); |
| unsigned int flags; |
| } ac97_codec_id_t; |
| |
| static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = { |
| { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, |
| { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, |
| { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, |
| { 0x414c4700, 0xffffff00, "Realtek", 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 }, |
| { 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 ac97_codec_id_t snd_ac97_codec_ids[] = { |
| { 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 }, |
| { 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_ad1985, 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 }, |
| { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, |
| { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ |
| { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, |
| { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, |
| { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, |
| { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, |
| { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, |
| { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, |
| { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, |
| { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, |
| { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, |
| { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL }, |
| { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL }, |
| { 0x434d4983, 0xffffffff, "CMI9761", 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 |
| { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, |
| { 0x454d4328, 0xffffffff, "28028", 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", NULL, NULL }, |
| { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL }, |
| { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, |
| { 0x54524102, 0xffffffff, "TR28022", 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)] |
| { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, |
| { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF |
| { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF |
| { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, |
| { 0x574d4c00, 0xffffffff, "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", patch_wolfson11, NULL}, |
| { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, |
| { 0x594d4800, 0xffffffff, "YMF743", NULL, 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 } |
| }; |
| |
| 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" |
| }; |
| |
| |
| /* |
| * I/O routines |
| */ |
| |
| static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg) |
| { |
| if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed)) |
| return 0; |
| |
| /* filter some registers for buggy codecs */ |
| switch (ac97->id) { |
| 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(ac97_t *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); |
| } |
| |
| /** |
| * 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. |
| * |
| * Returns the read value. |
| */ |
| unsigned short snd_ac97_read(ac97_t *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(ac97_t *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]; |
| } |
| |
| /** |
| * 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(ac97_t *ac97, unsigned short reg, unsigned short value) |
| { |
| if (!snd_ac97_valid_reg(ac97, reg)) |
| return; |
| down(&ac97->reg_mutex); |
| ac97->regs[reg] = value; |
| ac97->bus->ops->write(ac97, reg, value); |
| set_bit(reg, ac97->reg_accessed); |
| up(&ac97->reg_mutex); |
| } |
| |
| /** |
| * 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. |
| * |
| * Returns 1 if the value is changed, 0 if no change, or a negative |
| * code on failure. |
| */ |
| int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value) |
| { |
| int change; |
| |
| if (!snd_ac97_valid_reg(ac97, reg)) |
| return -EINVAL; |
| down(&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); |
| up(&ac97->reg_mutex); |
| return change; |
| } |
| |
| /** |
| * 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. |
| * |
| * Returns 1 if the bits are changed, 0 if no change, or a negative |
| * code on failure. |
| */ |
| int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value) |
| { |
| int change; |
| |
| if (!snd_ac97_valid_reg(ac97, reg)) |
| return -EINVAL; |
| down(&ac97->reg_mutex); |
| change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); |
| up(&ac97->reg_mutex); |
| return change; |
| } |
| |
| /* no lock version - see snd_ac97_updat_bits() */ |
| int snd_ac97_update_bits_nolock(ac97_t *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; |
| 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(ac97_t *ac97, int codec, unsigned short mask, unsigned short value) |
| { |
| int change; |
| unsigned short old, new, cfg; |
| |
| down(&ac97->page_mutex); |
| old = ac97->spec.ad18xx.pcmreg[codec]; |
| new = (old & ~mask) | value; |
| change = old != new; |
| if (change) { |
| down(&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); |
| up(&ac97->reg_mutex); |
| } |
| up(&ac97->page_mutex); |
| return change; |
| } |
| |
| /* |
| * Controls |
| */ |
| |
| int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| { |
| struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; |
| |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| uinfo->count = e->shift_l == e->shift_r ? 1 : 2; |
| uinfo->value.enumerated.items = e->mask; |
| |
| if (uinfo->value.enumerated.item > e->mask - 1) |
| uinfo->value.enumerated.item = e->mask - 1; |
| strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); |
| return 0; |
| } |
| |
| int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *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; |
| } |
| |
| int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *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(ac97_t *ac97, int reg, snd_kcontrol_t *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; |
| down(&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(ac97_t *ac97, int page_save) |
| { |
| if (page_save >= 0) { |
| snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); |
| up(&ac97->page_mutex); /* unlock paging */ |
| } |
| } |
| |
| /* volume and switch controls */ |
| int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * 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; |
| } |
| |
| int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *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; |
| } |
| |
| int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *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); |
| return err; |
| } |
| |
| static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = { |
| AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), |
| AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) |
| }; |
| |
| static const snd_kcontrol_new_t 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 snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = { |
| AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), |
| AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) |
| }; |
| |
| static const snd_kcontrol_new_t 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 snd_kcontrol_new_t snd_ac97_control_capture_src = |
| AC97_ENUM("Capture Source", std_enum[0]); |
| |
| static const snd_kcontrol_new_t snd_ac97_control_capture_vol = |
| AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); |
| |
| static const snd_kcontrol_new_t 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) |
| }; |
| |
| typedef 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 |
| } ac97_general_index_t; |
| |
| static const snd_kcontrol_new_t 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) |
| }; |
| |
| const snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t snd_ac97_control_eapd = |
| AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); |
| |
| static const snd_kcontrol_new_t 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(ac97_t *ac97, snd_kcontrol_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; |
| uinfo->count = 1; |
| return 0; |
| } |
| |
| static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * 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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * 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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *ac97 = snd_kcontrol_chip(kcontrol); |
| |
| down(&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; |
| up(&ac97->reg_mutex); |
| return 0; |
| } |
| |
| static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *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; |
| } |
| } |
| |
| down(&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 { |
| 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 */ |
| } |
| } |
| up(&ac97->reg_mutex); |
| |
| return change; |
| } |
| |
| static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) |
| { |
| ac97_t *ac97 = snd_kcontrol_chip(kcontrol); |
| int reg = kcontrol->private_value & 0xff; |
| int shift = (kcontrol->private_value >> 8) & 0xff; |
| 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); |
| |
| down(&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 */ |
| } |
| up(&ac97->reg_mutex); |
| return change; |
| } |
| |
| const snd_kcontrol_new_t 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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| { |
| ac97_t *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(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *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(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * 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(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *ac97 = snd_kcontrol_chip(kcontrol); |
| int codec = kcontrol->private_value & 3; |
| |
| down(&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); |
| up(&ac97->page_mutex); |
| return 0; |
| } |
| |
| static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| ac97_t *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 snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t 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(ac97_t *ac97); |
| |
| static int snd_ac97_bus_free(ac97_bus_t *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(snd_device_t *device) |
| { |
| ac97_bus_t *bus = device->device_data; |
| return snd_ac97_bus_free(bus); |
| } |
| |
| static int snd_ac97_free(ac97_t *ac97) |
| { |
| if (ac97) { |
| 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(snd_device_t *device) |
| { |
| ac97_t *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(ac97_t * ac97, int reg) |
| { |
| unsigned short val, mask = 0x8000; |
| |
| if (! snd_ac97_valid_reg(ac97, reg)) |
| return 0; |
| |
| switch (reg) { |
| case AC97_MASTER_TONE: |
| return ac97->caps & 0x04 ? 1 : 0; |
| case AC97_HEADPHONE: |
| return ac97->caps & 0x10 ? 1 : 0; |
| case AC97_REC_GAIN_MIC: |
| return ac97->caps & 0x01 ? 1 : 0; |
| case AC97_3D_CONTROL: |
| if (ac97->caps & 0x7c00) { |
| 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; |
| } |
| |
| if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed)) |
| return 1; /* allow without check */ |
| |
| 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); |
| if (!(val & mask)) |
| return 0; /* nothing here */ |
| } |
| return 1; /* success, useable */ |
| } |
| |
| static void check_volume_resolution(ac97_t *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; |
| |
| *lo_max = *hi_max = 0; |
| for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { |
| unsigned short val; |
| snd_ac97_write(ac97, reg, 0x8080 | 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 the 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; |
| } |
| } |
| |
| int snd_ac97_try_bit(ac97_t * 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(ac97_t * ac97, int reg, int shift, unsigned char *max) |
| { |
| unsigned short val, val1; |
| |
| *max = 63; |
| val = 0x8080 | (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, 0x8080); |
| } |
| |
| static inline int printable(unsigned int x) |
| { |
| x &= 0xff; |
| if (x < ' ' || x >= 0x71) { |
| if (x <= 0x89) |
| return x - 0x71 + 'A'; |
| return '?'; |
| } |
| return x; |
| } |
| |
| snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97) |
| { |
| snd_kcontrol_new_t 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(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97) |
| { |
| snd_kcontrol_t *kctl; |
| int err; |
| unsigned short val, val1, mute_mask; |
| |
| if (! snd_ac97_valid_reg(ac97, reg)) |
| return 0; |
| |
| mute_mask = 0x8000; |
| val = snd_ac97_read(ac97, reg); |
| if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { |
| /* check whether both mute bits work */ |
| val1 = val | 0x8080; |
| snd_ac97_write(ac97, reg, val1); |
| if (val1 == snd_ac97_read(ac97, reg)) |
| mute_mask = 0x8080; |
| } |
| if (mute_mask == 0x8080) { |
| snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); |
| tmp.index = ac97->num; |
| kctl = snd_ctl_new1(&tmp, ac97); |
| } else { |
| snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1); |
| 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; |
| } |
| |
| /* |
| * create a volume for normal stereo/mono controls |
| */ |
| static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max, |
| unsigned int hi_max, ac97_t *ac97) |
| { |
| int err; |
| snd_kcontrol_t *kctl; |
| |
| if (! snd_ac97_valid_reg(ac97, reg)) |
| return 0; |
| if (hi_max) { |
| /* invert */ |
| snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); |
| tmp.index = ac97->num; |
| kctl = snd_ctl_new1(&tmp, ac97); |
| } else { |
| /* invert */ |
| snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); |
| tmp.index = ac97->num; |
| kctl = snd_ctl_new1(&tmp, ac97); |
| } |
| err = snd_ctl_add(card, kctl); |
| if (err < 0) |
| return err; |
| snd_ac97_write_cache(ac97, reg, |
| (snd_ac97_read(ac97, reg) & 0x8080) | |
| 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(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97) |
| { |
| int err; |
| char name[44]; |
| 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); |
| if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0) |
| return err; |
| } |
| check_volume_resolution(ac97, reg, &lo_max, &hi_max); |
| if (lo_max) { |
| sprintf(name, "%s Volume", pfx); |
| if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) |
| return err; |
| } |
| return 0; |
| } |
| |
| #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97) |
| #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97) |
| |
| static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97); |
| |
| static int snd_ac97_mixer_build(ac97_t * ac97) |
| { |
| snd_card_t *card = ac97->bus->card; |
| snd_kcontrol_t *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, ac97); |
| else |
| err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97); |
| if (err < 0) |
| return err; |
| } |
| |
| ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; |
| |
| /* build center controls */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) |
| return err; |
| if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 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; |
| 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)) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) |
| return err; |
| if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 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; |
| 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)) { |
| /* Surround Master (0x38) is with stereo mutes */ |
| if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0) |
| return err; |
| } |
| |
| /* build headphone controls */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { |
| if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0) |
| return err; |
| } |
| |
| /* build master mono controls */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { |
| if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 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++) { |
| if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) |
| return err; |
| if (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 PC Speaker 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++) |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) |
| return err; |
| snd_ac97_write_cache(ac97, AC97_PC_BEEP, |
| snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); |
| } |
| |
| /* build Phone controls */ |
| if (!(ac97->flags & AC97_HAS_NO_PHONE)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { |
| if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0) |
| return err; |
| } |
| } |
| |
| /* build MIC controls */ |
| if (!(ac97->flags & AC97_HAS_NO_MIC)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { |
| if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0) |
| return err; |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) |
| return err; |
| } |
| } |
| |
| /* build Line controls */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { |
| if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0) |
| return err; |
| } |
| |
| /* build CD controls */ |
| if (!(ac97->flags & AC97_HAS_NO_CD)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { |
| if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0) |
| return err; |
| } |
| } |
| |
| /* build Video controls */ |
| if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { |
| if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { |
| if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0) |
| return err; |
| } |
| } |
| |
| /* build Aux controls */ |
| if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { |
| if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 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++) |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) |
| return err; |
| ac97->spec.ad18xx.pcmreg[0] = init_val; |
| if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { |
| for (idx = 0; idx < 2; idx++) |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) |
| return err; |
| ac97->spec.ad18xx.pcmreg[1] = init_val; |
| } |
| if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { |
| for (idx = 0; idx < 2; idx++) |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) |
| return err; |
| for (idx = 0; idx < 2; idx++) |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) |
| return err; |
| 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, ac97); |
| else |
| err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97); |
| if (err < 0) |
| return err; |
| } |
| } |
| |
| /* build Capture controls */ |
| if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) |
| return err; |
| if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { |
| if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0) |
| return err; |
| } |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) |
| return err; |
| 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++) |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) |
| return err; |
| 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)) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) |
| return err; |
| } |
| |
| /* build Simulated Stereo Enhancement control */ |
| if (ac97->caps & 0x0008) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) |
| return err; |
| } |
| |
| /* build 3D Stereo Enhancement control */ |
| if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) |
| return err; |
| } |
| |
| /* build Loudness control */ |
| if (ac97->caps & 0x0020) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) |
| return err; |
| } |
| |
| /* build Mono output select control */ |
| if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) |
| return err; |
| } |
| |
| /* build Mic select control */ |
| if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) |
| return err; |
| } |
| |
| /* build ADC/DAC loopback control */ |
| if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 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; |
| if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) |
| return err; |
| if (val) |
| kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); |
| if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 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 */ |
| if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { |
| if (ac97->build_ops->build_spdif) { |
| if ((err = ac97->build_ops->build_spdif(ac97)) < 0) |
| return err; |
| } else { |
| for (idx = 0; idx < 5; idx++) |
| if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) |
| return err; |
| if (ac97->build_ops->build_post_spdif) { |
| if ((err = ac97->build_ops->build_post_spdif(ac97)) < 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) |
| if ((err = ac97->build_ops->build_specific(ac97)) < 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); |
| if ((err = snd_ctl_add(card, kctl)) < 0) |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97) |
| { |
| int err, idx; |
| |
| //printk("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++) |
| if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) |
| return err; |
| |
| /* build chip specific controls */ |
| if (ac97->build_ops->build_specific) |
| if ((err = ac97->build_ops->build_specific(ac97)) < 0) |
| return err; |
| |
| return 0; |
| } |
| |
| static int snd_ac97_test_rate(ac97_t *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(ac97_t *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(ac97_t *ac97) |
| { |
| unsigned int result = 0; |
| int i; |
| static unsigned short ctl_bits[] = { |
| AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K |
| }; |
| static 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 ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table, |
| unsigned int id) |
| { |
| const ac97_codec_id_t *pid; |
| |
| for (pid = table; pid->id; pid++) |
| if (pid->id == (id & pid->mask)) |
| return pid; |
| return NULL; |
| } |
| |
| void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem) |
| { |
| const ac97_codec_id_t *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 |
| * |
| * Returns the short identifying name of the codec. |
| */ |
| const char *snd_ac97_get_short_name(ac97_t *ac97) |
| { |
| const ac97_codec_id_t *pid; |
| |
| for (pid = snd_ac97_codec_ids; pid->id; pid++) |
| if (pid->id == (ac97->id & pid->mask)) |
| return pid->name; |
| return "unknown codec"; |
| } |
| |
| |
| /* wait for a while until registers are accessible after RESET |
| * return 0 if ok, negative not ready |
| */ |
| static int ac97_reset_wait(ac97_t *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 ac97_bus_t 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. |
| * |
| * Returns zero if successful, or a negative error code on failure. |
| */ |
| int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops, |
| void *private_data, ac97_bus_t **rbus) |
| { |
| int err; |
| ac97_bus_t *bus; |
| static snd_device_ops_t dev_ops = { |
| .dev_free = snd_ac97_bus_dev_free, |
| }; |
| |
| snd_assert(card != NULL, return -EINVAL); |
| snd_assert(rbus != NULL, 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); |
| if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { |
| snd_ac97_bus_free(bus); |
| return err; |
| } |
| *rbus = bus; |
| return 0; |
| } |
| |
| /* stop no dev release warning */ |
| static void ac97_device_release(struct device * dev) |
| { |
| } |
| |
| /* register ac97 codec to bus */ |
| static int snd_ac97_dev_register(snd_device_t *device) |
| { |
| ac97_t *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; |
| snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "card%d-%d", ac97->bus->card->number, ac97->num); |
| if ((err = device_register(&ac97->dev)) < 0) { |
| snd_printk(KERN_ERR "Can't register ac97 bus\n"); |
| ac97->dev.bus = NULL; |
| return err; |
| } |
| return 0; |
| } |
| |
| /* unregister ac97 codec */ |
| static int snd_ac97_dev_unregister(snd_device_t *device) |
| { |
| ac97_t *ac97 = device->device_data; |
| if (ac97->dev.bus) |
| device_unregister(&ac97->dev); |
| return snd_ac97_free(ac97); |
| } |
| |
| /* build_ops to do nothing */ |
| static struct snd_ac97_build_ops null_build_ops; |
| |
| /** |
| * 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 ac97_t 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. |
| * |
| * Returns zero if successful, or a negative error code on failure. |
| */ |
| int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97) |
| { |
| int err; |
| ac97_t *ac97; |
| snd_card_t *card; |
| char name[64]; |
| unsigned long end_time; |
| unsigned int reg; |
| const ac97_codec_id_t *pid; |
| static snd_device_ops_t ops = { |
| .dev_free = snd_ac97_dev_free, |
| .dev_register = snd_ac97_dev_register, |
| .dev_unregister = snd_ac97_dev_unregister, |
| }; |
| |
| snd_assert(rac97 != NULL, return -EINVAL); |
| *rac97 = NULL; |
| snd_assert(bus != NULL && template != NULL, return -EINVAL); |
| snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); |
| |
| 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->limited_regs = template->limited_regs; |
| memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed)); |
| bus->codec[ac97->num] = ac97; |
| init_MUTEX(&ac97->reg_mutex); |
| init_MUTEX(&ac97->page_mutex); |
| |
| 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); |
| } |
| 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, HZ/2, 1); |
| else { |
| err = ac97_reset_wait(ac97, HZ/2, 0); |
| if (err < 0) |
| err = ac97_reset_wait(ac97, HZ/2, 1); |
| } |
| if (err < 0) { |
| snd_printk(KERN_WARNING "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)) { |
| snd_printk(KERN_ERR "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); |
| if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 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))) |
| snd_printk(KERN_ERR "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 + (HZ / 10); |
| do { |
| if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) |
| goto __ready_ok; |
| schedule_timeout_uninterruptible(1); |
| } while (time_after_eq(end_time, jiffies)); |
| snd_printk(KERN_WARNING "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 + (HZ / 10); |
| 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)); |
| snd_printk(KERN_WARNING "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; |
| } |
| 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); |
| if ((err = snd_component_add(card, comp)) < 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); |
| if ((err = snd_component_add(card, comp)) < 0) { |
| snd_ac97_free(ac97); |
| return err; |
| } |
| if (snd_ac97_modem_build(card, ac97) < 0) { |
| snd_ac97_free(ac97); |
| return -ENOMEM; |
| } |
| } |
| /* make sure the proper powerdown bits are cleared */ |
| if (ac97->scaps && ac97_is_audio(ac97)) { |
| reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); |
| if (ac97->scaps & AC97_SCAP_SURROUND_DAC) |
| reg &= ~AC97_EA_PRJ; |
| if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) |
| reg &= ~(AC97_EA_PRI | AC97_EA_PRK); |
| snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); |
| } |
| snd_ac97_proc_init(ac97); |
| if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { |
| snd_ac97_free(ac97); |
| return err; |
| } |
| *rac97 = ac97; |
| return 0; |
| } |
| |
| |
| /* |
| * 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(ac97_t *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); |
| } |
| |
| power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */ |
| power |= 0x4000; /* Headphone amplifier powerdown */ |
| power |= 0x0300; /* ADC & DAC powerdown */ |
| snd_ac97_write(ac97, AC97_POWERDOWN, power); |
| udelay(100); |
| power |= 0x0400; /* Analog Mixer powerdown (Vref on) */ |
| snd_ac97_write(ac97, AC97_POWERDOWN, power); |
| udelay(100); |
| #if 0 |
| /* FIXME: this causes click noises on some boards at resume */ |
| power |= 0x3800; /* AC-link powerdown, internal Clk disable */ |
| snd_ac97_write(ac97, AC97_POWERDOWN, power); |
| #endif |
| } |
| |
| |
| #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(ac97_t *ac97) |
| { |
| if (ac97->build_ops->suspend) |
| ac97->build_ops->suspend(ac97); |
| snd_ac97_powerdown(ac97); |
| } |
| |
| /* |
| * restore ac97 status |
| */ |
| void snd_ac97_restore_status(ac97_t *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 |
| */ |
| void snd_ac97_restore_iec958(ac97_t *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(ac97_t *ac97) |
| { |
| unsigned long end_time; |
| |
| 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)) { |
| snd_ac97_write(ac97, AC97_RESET, 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, 0x8000); |
| if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) |
| msleep(250); |
| } else { |
| end_time = jiffies + msecs_to_jiffies(100); |
| do { |
| unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); |
| if (val != 0xffff && (val & 1) != 0) |
| break; |
| schedule_timeout_uninterruptible(1); |
| } while (time_after_eq(end_time, jiffies)); |
| } |
| __reset_ready: |
| |
| if (ac97->bus->ops->init) |
| ac97->bus->ops->init(ac97); |
| |
| if (ac97->build_ops->resume) |
| ac97->build_ops->resume(ac97); |
| else { |
| snd_ac97_restore_status(ac97); |
| snd_ac97_restore_iec958(ac97); |
| } |
| } |
| #endif |
| |
| |
| /* |
| * Hardware tuning |
| */ |
| static void set_ctl_name(char *dst, const char *src, const char *suffix) |
| { |
| if (suffix) |
| sprintf(dst, "%s %s", src, suffix); |
| else |
| strcpy(dst, src); |
| } |
| |
| /* remove the control with the given name and optional suffix */ |
| int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix) |
| { |
| snd_ctl_elem_id_t id; |
| memset(&id, 0, sizeof(id)); |
| set_ctl_name(id.name, name, suffix); |
| id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
| return snd_ctl_remove_id(ac97->bus->card, &id); |
| } |
| |
| static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix) |
| { |
| snd_ctl_elem_id_t sid; |
| memset(&sid, 0, sizeof(sid)); |
| set_ctl_name(sid.name, name, suffix); |
| sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
| return snd_ctl_find_id(ac97->bus->card, &sid); |
| } |
| |
| /* rename the control with the given name and optional suffix */ |
| int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix) |
| { |
| snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix); |
| if (kctl) { |
| set_ctl_name(kctl->id.name, dst, suffix); |
| return 0; |
| } |
| return -ENOENT; |
| } |
| |
| /* rename both Volume and Switch controls - don't check the return value */ |
| void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst) |
| { |
| snd_ac97_rename_ctl(ac97, src, dst, "Switch"); |
| snd_ac97_rename_ctl(ac97, src, dst, "Volume"); |
| } |
| |
| /* swap controls */ |
| int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix) |
| { |
| snd_kcontrol_t *kctl1, *kctl2; |
| kctl1 = ctl_find(ac97, s1, suffix); |
| kctl2 = ctl_find(ac97, s2, suffix); |
| if (kctl1 && kctl2) { |
| set_ctl_name(kctl1->id.name, s2, suffix); |
| set_ctl_name(kctl2->id.name, s1, suffix); |
| return 0; |
| } |
| return -ENOENT; |
| } |
| |
| #if 1 |
| /* bind hp and master controls instead of using only hp control */ |
| static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) |
| { |
| int err = snd_ac97_put_volsw(kcontrol, ucontrol); |
| if (err > 0) { |
| unsigned long priv_saved = kcontrol->private_value; |
| kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; |
| snd_ac97_put_volsw(kcontrol, ucontrol); |
| kcontrol->private_value = priv_saved; |
| } |
| return err; |
| } |
| |
| /* ac97 tune: bind Master and Headphone controls */ |
| static int tune_hp_only(ac97_t *ac97) |
| { |
| snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL); |
| snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL); |
| if (! msw || ! mvol) |
| return -ENOENT; |
| msw->put = bind_hp_volsw_put; |
| mvol->put = bind_hp_volsw_put; |
| snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); |
| snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); |
| return 0; |
| } |
| |
| #else |
| /* ac97 tune: use Headphone control as master */ |
| static int tune_hp_only(ac97_t *ac97) |
| { |
| if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) |
| return -ENOENT; |
| snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); |
| snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); |
| snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); |
| return 0; |
| } |
| #endif |
| |
| /* ac97 tune: swap Headphone and Master controls */ |
| static int tune_swap_hp(ac97_t *ac97) |
| { |
| if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) |
| return -ENOENT; |
| snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); |
| snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); |
| return 0; |
| } |
| |
| /* ac97 tune: swap Surround and Master controls */ |
| static int tune_swap_surround(ac97_t *ac97) |
| { |
| if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || |
| snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) |
| return -ENOENT; |
| return 0; |
| } |
| |
| /* ac97 tune: set up mic sharing for AD codecs */ |
| static int tune_ad_sharing(ac97_t *ac97) |
| { |
| unsigned short scfg; |
| if ((ac97->id & 0xffffff00) != 0x41445300) { |
| snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); |
| return -EINVAL; |
| } |
| /* Turn on OMS bit to route microphone to back panel */ |
| scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); |
| snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); |
| return 0; |
| } |
| |
| static const snd_kcontrol_new_t snd_ac97_alc_jack_detect = |
| AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); |
| |
| /* ac97 tune: set up ALC jack-select */ |
| static int tune_alc_jack(ac97_t *ac97) |
| { |
| if ((ac97->id & 0xffffff00) != 0x414c4700) { |
| snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); |
| return -EINVAL; |
| } |
| snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ |
| snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ |
| return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); |
| } |
| |
| /* ac97 tune: inversed EAPD bit */ |
| static int tune_inv_eapd(ac97_t *ac97) |
| { |
| snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL); |
| if (! kctl) |
| return -ENOENT; |
| set_inv_eapd(ac97, kctl); |
| return 0; |
| } |
| |
| static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) |
| { |
| int err = snd_ac97_put_volsw(kcontrol, ucontrol); |
| if (err > 0) { |
| ac97_t *ac97 = snd_kcontrol_chip(kcontrol); |
| int shift = (kcontrol->private_value >> 8) & 0x0f; |
| int rshift = (kcontrol->private_value >> 12) & 0x0f; |
| unsigned short mask; |
| if (shift != rshift) |
| mask = 0x8080; |
| else |
| mask = 0x8000; |
| snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, |
| (ac97->regs[AC97_MASTER] & mask) == mask ? |
| 0x8000 : 0); |
| } |
| return err; |
| } |
| |
| /* ac97 tune: EAPD controls mute LED bound with the master mute */ |
| static int tune_mute_led(ac97_t *ac97) |
| { |
| snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL); |
| if (! msw) |
| return -ENOENT; |
| msw->put = master_mute_sw_put; |
| snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); |
| snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ |
| return 0; |
| } |
| |
| struct quirk_table { |
| const char *name; |
| int (*func)(ac97_t *); |
| }; |
| |
| static struct quirk_table applicable_quirks[] = { |
| { "none", NULL }, |
| { "hp_only", tune_hp_only }, |
| { "swap_hp", tune_swap_hp }, |
| { "swap_surround", tune_swap_surround }, |
| { "ad_sharing", tune_ad_sharing }, |
| { "alc_jack", tune_alc_jack }, |
| { "inv_eapd", tune_inv_eapd }, |
| { "mute_led", tune_mute_led }, |
| }; |
| |
| /* apply the quirk with the given type */ |
| static int apply_quirk(ac97_t *ac97, int type) |
| { |
| if (type <= 0) |
| return 0; |
| else if (type >= ARRAY_SIZE(applicable_quirks)) |
| return -EINVAL; |
| if (applicable_quirks[type].func) |
| return applicable_quirks[type].func(ac97); |
| return 0; |
| } |
| |
| /* apply the quirk with the given name */ |
| static int apply_quirk_str(ac97_t *ac97, const char *typestr) |
| { |
| int i; |
| struct quirk_table *q; |
| |
| for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { |
| q = &applicable_quirks[i]; |
| if (q->name && ! strcmp(typestr, q->name)) |
| return apply_quirk(ac97, i); |
| } |
| /* for compatibility, accept the numbers, too */ |
| if (*typestr >= '0' && *typestr <= '9') |
| return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); |
| return -EINVAL; |
| } |
| |
| /** |
| * snd_ac97_tune_hardware - tune up the hardware |
| * @ac97: the ac97 instance |
| * @quirk: quirk list |
| * @override: explicit quirk value (overrides the list if non-NULL) |
| * |
| * Do some workaround for each pci device, such as renaming of the |
| * headphone (true line-out) control as "Master". |
| * The quirk-list must be terminated with a zero-filled entry. |
| * |
| * Returns zero if successful, or a negative error code on failure. |
| */ |
| |
| int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override) |
| { |
| int result; |
| |
| /* quirk overriden? */ |
| if (override && strcmp(override, "-1") && strcmp(override, "default")) { |
| result = apply_quirk_str(ac97, override); |
| if (result < 0) |
| snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); |
| return result; |
| } |
| |
| if (! quirk) |
| return -EINVAL; |
| |
| for (; quirk->subvendor; quirk++) { |
| if (quirk->subvendor != ac97->subsystem_vendor) |
| continue; |
| if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || |
| quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { |
| if (quirk->codec_id && quirk->codec_id != ac97->id) |
| continue; |
| snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); |
| result = apply_quirk(ac97, quirk->type); |
| if (result < 0) |
| snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); |
| return result; |
| } |
| } |
| return 0; |
| } |
| |
| |
| /* |
| * Exported symbols |
| */ |
| |
| EXPORT_SYMBOL(snd_ac97_write); |
| EXPORT_SYMBOL(snd_ac97_read); |
| EXPORT_SYMBOL(snd_ac97_write_cache); |
| EXPORT_SYMBOL(snd_ac97_update); |
| EXPORT_SYMBOL(snd_ac97_update_bits); |
| EXPORT_SYMBOL(snd_ac97_get_short_name); |
| EXPORT_SYMBOL(snd_ac97_bus); |
| EXPORT_SYMBOL(snd_ac97_mixer); |
| EXPORT_SYMBOL(snd_ac97_pcm_assign); |
| EXPORT_SYMBOL(snd_ac97_pcm_open); |
| EXPORT_SYMBOL(snd_ac97_pcm_close); |
| EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules); |
| EXPORT_SYMBOL(snd_ac97_tune_hardware); |
| EXPORT_SYMBOL(snd_ac97_set_rate); |
| #ifdef CONFIG_PM |
| EXPORT_SYMBOL(snd_ac97_resume); |
| EXPORT_SYMBOL(snd_ac97_suspend); |
| #endif |
| |
| /* |
| * INIT part |
| */ |
| |
| static int __init alsa_ac97_init(void) |
| { |
| return 0; |
| } |
| |
| static void __exit alsa_ac97_exit(void) |
| { |
| } |
| |
| module_init(alsa_ac97_init) |
| module_exit(alsa_ac97_exit) |