diff options
Diffstat (limited to 'sound/pci/ac97/ac97_codec.c')
| -rw-r--r-- | sound/pci/ac97/ac97_codec.c | 2579 |
1 files changed, 2579 insertions, 0 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c new file mode 100644 index 000000000000..0b024ec1f709 --- /dev/null +++ b/sound/pci/ac97/ac97_codec.c @@ -0,0 +1,2579 @@ +/* + * 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 }, +{ 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 }, +{ 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", NULL, mpatch_si3036 }, +{ 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 +{ 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" +}; + +/* + * Shared AC97 controllers (ICH, ATIIXP...) + */ +static DECLARE_MUTEX(shared_codec_mutex); +static ac97_t *shared_codec[AC97_SHARED_TYPES][4]; + + +/* + * 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); + } + 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); + } + 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; + + val = snd_ac97_read_cache(ac97, e->reg); + ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (e->mask - 1); + if (e->shift_l != e->shift_r) + ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (e->mask - 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; + + if (ucontrol->value.enumerated.item[0] > e->mask - 1) + return -EINVAL; + val = ucontrol->value.enumerated.item[0] << e->shift_l; + mask = (e->mask - 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 |= (e->mask - 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_controls_surround[2] = { +AC97_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1), +AC97_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1), +}; + +static const snd_kcontrol_new_t snd_ac97_control_eapd = +AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); + +/* 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->bus->shared_type) { + down(&shared_codec_mutex); + shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL; + up(&shared_codec_mutex); + } + } + 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)); + val = snd_ac97_read(ac97, reg); + if (! *lo_max && (val & cbit[i])) + *lo_max = max[i]; + if (! *hi_max && (val & (cbit[i] << 8))) + *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)); + snd_runtime_check(!template.index, return NULL); + 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 (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 (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_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) +{ + /* TODO */ + //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); + 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; + } + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(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 = kcalloc(1, 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; +} + +/* 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, + }; + + 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); + + snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL); + if (bus->shared_type) { + /* already shared? */ + down(&shared_codec_mutex); + ac97 = shared_codec[bus->shared_type-1][template->num]; + if (ac97) { + if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) || + (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) { + up(&shared_codec_mutex); + return -EACCES; /* skip this */ + } + } + up(&shared_codec_mutex); + } + + card = bus->card; + ac97 = kcalloc(1, 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; + } + + snd_ac97_write(ac97, AC97_RESET, 0); /* reset to defaults */ + 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; + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(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, 12000); + tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; + } + if (ac97->ext_mid & AC97_MEI_LINE2) { + snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 12000); + tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; + } + if (ac97->ext_mid & AC97_MEI_HANDSET) { + snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 12000); + tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; + } + snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8)); + udelay(100); + /* nothing should be in powerdown mode */ + snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8)); + end_time = jiffies + (HZ / 10); + do { + if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) + goto __ready_ok; + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(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) { + 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; + + if (bus->shared_type) { + down(&shared_codec_mutex); + shared_codec[bus->shared_type-1][ac97->num] = ac97; + up(&shared_codec_mutex); + } + + 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) +{ + int i; + + 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); + for (i = HZ/10; i >= 0; i--) { + if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) + break; + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(1); + } + /* FIXME: extra delay */ + ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); + if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) { + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(HZ/4); + } + } else { + for (i = HZ/10; i >= 0; i--) { + unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); + if (val != 0xffff && (val & 1) != 0) + break; + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(1); + } + } +__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; + + snd_assert(quirk, return -EINVAL); + + /* 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; + } + + for (; quirk->vendor; quirk++) { + if (quirk->vendor != ac97->subsystem_vendor) + continue; + if ((! quirk->mask && quirk->device == ac97->subsystem_device) || + quirk->device == (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) |