diff options
Diffstat (limited to 'sound/pci/au88x0/au88x0_core.c')
| -rw-r--r-- | sound/pci/au88x0/au88x0_core.c | 2837 |
1 files changed, 2837 insertions, 0 deletions
diff --git a/sound/pci/au88x0/au88x0_core.c b/sound/pci/au88x0/au88x0_core.c new file mode 100644 index 00000000000..f0eda4bbbb3 --- /dev/null +++ b/sound/pci/au88x0/au88x0_core.c @@ -0,0 +1,2837 @@ +/* + * 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 Library 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. + */ + +/* + Vortex core low level functions. + + Author: Manuel Jander (mjander@users.sourceforge.cl) + These functions are mainly the result of translations made + from the original disassembly of the au88x0 binary drivers, + written by Aureal before they went down. + Many thanks to the Jeff Muizelaar, Kester Maddock, and whoever + contributed to the OpenVortex project. + The author of this file, put the few available pieces together + and translated the rest of the riddle (Mix, Src and connection stuff). + Some things are still to be discovered, and their meanings are unclear. + + Some of these functions aren't intended to be really used, rather + to help to understand how does the AU88X0 chips work. Keep them in, because + they could be used somewhere in the future. + + This code hasn't been tested or proof read thoroughly. If you wanna help, + take a look at the AU88X0 assembly and check if this matches. + Functions tested ok so far are (they show the desired effect + at least): + vortex_routes(); (1 bug fixed). + vortex_adb_addroute(); + vortex_adb_addroutes(); + vortex_connect_codecplay(); + vortex_src_flushbuffers(); + vortex_adbdma_setmode(); note: still some unknown arguments! + vortex_adbdma_startfifo(); + vortex_adbdma_stopfifo(); + vortex_fifo_setadbctrl(); note: still some unknown arguments! + vortex_mix_setinputvolumebyte(); + vortex_mix_enableinput(); + vortex_mixer_addWTD(); (fixed) + vortex_connection_adbdma_src_src(); + vortex_connection_adbdma_src(); + vortex_src_change_convratio(); + vortex_src_addWTD(); (fixed) + + History: + + 01-03-2003 First revision. + 01-21-2003 Some bug fixes. + 17-02-2003 many bugfixes after a big versioning mess. + 18-02-2003 JAAAAAHHHUUUUUU!!!! The mixer works !! I'm just so happy ! + (2 hours later...) I cant believe it! Im really lucky today. + Now the SRC is working too! Yeah! XMMS works ! + 20-02-2003 First steps into the ALSA world. + 28-02-2003 As my birthday present, i discovered how the DMA buffer pages really + work :-). It was all wrong. + 12-03-2003 ALSA driver starts working (2 channels). + 16-03-2003 More srcblock_setupchannel discoveries. + 12-04-2003 AU8830 playback support. Recording in the works. + 17-04-2003 vortex_route() and vortex_routes() bug fixes. AU8830 recording + works now, but chipn' dale effect is still there. + 16-05-2003 SrcSetupChannel cleanup. Moved the Src setup stuff entirely + into au88x0_pcm.c . + 06-06-2003 Buffer shifter bugfix. Mixer volume fix. + 07-12-2003 A3D routing finally fixed. Believed to be OK. + 25-03-2004 Many thanks to Claudia, for such valuable bug reports. + +*/ + +#include "au88x0.h" +#include "au88x0_a3d.h" +#include <linux/delay.h> + +/* MIXER (CAsp4Mix.s and CAsp4Mixer.s) */ + +// FIXME: get rid of this. +static int mchannels[NR_MIXIN]; +static int rampchs[NR_MIXIN]; + +static void vortex_mixer_en_sr(vortex_t * vortex, int channel) +{ + hwwrite(vortex->mmio, VORTEX_MIXER_SR, + hwread(vortex->mmio, VORTEX_MIXER_SR) | (0x1 << channel)); +} +static void vortex_mixer_dis_sr(vortex_t * vortex, int channel) +{ + hwwrite(vortex->mmio, VORTEX_MIXER_SR, + hwread(vortex->mmio, VORTEX_MIXER_SR) & ~(0x1 << channel)); +} + +#if 0 +static void +vortex_mix_muteinputgain(vortex_t * vortex, unsigned char mix, + unsigned char channel) +{ + hwwrite(vortex->mmio, VORTEX_MIX_INVOL_A + ((mix << 5) + channel), + 0x80); + hwwrite(vortex->mmio, VORTEX_MIX_INVOL_B + ((mix << 5) + channel), + 0x80); +} + +static int vortex_mix_getvolume(vortex_t * vortex, unsigned char mix) +{ + int a; + a = hwread(vortex->mmio, VORTEX_MIX_VOL_A + (mix << 2)) & 0xff; + //FP2LinearFrac(a); + return (a); +} + +static int +vortex_mix_getinputvolume(vortex_t * vortex, unsigned char mix, + int channel, int *vol) +{ + int a; + if (!(mchannels[mix] & (1 << channel))) + return 0; + a = hwread(vortex->mmio, + VORTEX_MIX_INVOL_A + (((mix << 5) + channel) << 2)); + /* + if (rampchs[mix] == 0) + a = FP2LinearFrac(a); + else + a = FP2LinearFracWT(a); + */ + *vol = a; + return (0); +} + +static unsigned int vortex_mix_boost6db(unsigned char vol) +{ + return (vol + 8); /* WOW! what a complex function! */ +} + +static void vortex_mix_rampvolume(vortex_t * vortex, int mix) +{ + int ch; + char a; + // This function is intended for ramping down only (see vortex_disableinput()). + for (ch = 0; ch < 0x20; ch++) { + if (((1 << ch) & rampchs[mix]) == 0) + continue; + a = hwread(vortex->mmio, + VORTEX_MIX_INVOL_B + (((mix << 5) + ch) << 2)); + if (a > -126) { + a -= 2; + hwwrite(vortex->mmio, + VORTEX_MIX_INVOL_A + + (((mix << 5) + ch) << 2), a); + hwwrite(vortex->mmio, + VORTEX_MIX_INVOL_B + + (((mix << 5) + ch) << 2), a); + } else + vortex_mix_killinput(vortex, mix, ch); + } +} + +static int +vortex_mix_getenablebit(vortex_t * vortex, unsigned char mix, int mixin) +{ + int addr, temp; + if (mixin >= 0) + addr = mixin; + else + addr = mixin + 3; + addr = ((mix << 3) + (addr >> 2)) << 2; + temp = hwread(vortex->mmio, VORTEX_MIX_ENIN + addr); + return ((temp >> (mixin & 3)) & 1); +} +#endif +static void +vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix, + unsigned char vol) +{ + int temp; + hwwrite(vortex->mmio, VORTEX_MIX_VOL_A + (mix << 2), vol); + if (1) { /*if (this_10) */ + temp = hwread(vortex->mmio, VORTEX_MIX_VOL_B + (mix << 2)); + if ((temp != 0x80) || (vol == 0x80)) + return; + } + hwwrite(vortex->mmio, VORTEX_MIX_VOL_B + (mix << 2), vol); +} + +static void +vortex_mix_setinputvolumebyte(vortex_t * vortex, unsigned char mix, + int mixin, unsigned char vol) +{ + int temp; + + hwwrite(vortex->mmio, + VORTEX_MIX_INVOL_A + (((mix << 5) + mixin) << 2), vol); + if (1) { /* this_10, initialized to 1. */ + temp = + hwread(vortex->mmio, + VORTEX_MIX_INVOL_B + (((mix << 5) + mixin) << 2)); + if ((temp != 0x80) || (vol == 0x80)) + return; + } + hwwrite(vortex->mmio, + VORTEX_MIX_INVOL_B + (((mix << 5) + mixin) << 2), vol); +} + +static void +vortex_mix_setenablebit(vortex_t * vortex, unsigned char mix, int mixin, int en) +{ + int temp, addr; + + if (mixin < 0) + addr = (mixin + 3); + else + addr = mixin; + addr = ((mix << 3) + (addr >> 2)) << 2; + temp = hwread(vortex->mmio, VORTEX_MIX_ENIN + addr); + if (en) + temp |= (1 << (mixin & 3)); + else + temp &= ~(1 << (mixin & 3)); + /* Mute input. Astatic void crackling? */ + hwwrite(vortex->mmio, + VORTEX_MIX_INVOL_B + (((mix << 5) + mixin) << 2), 0x80); + /* Looks like clear buffer. */ + hwwrite(vortex->mmio, VORTEX_MIX_SMP + (mixin << 2), 0x0); + hwwrite(vortex->mmio, VORTEX_MIX_SMP + 4 + (mixin << 2), 0x0); + /* Write enable bit. */ + hwwrite(vortex->mmio, VORTEX_MIX_ENIN + addr, temp); +} + +static void +vortex_mix_killinput(vortex_t * vortex, unsigned char mix, int mixin) +{ + rampchs[mix] &= ~(1 << mixin); + vortex_mix_setinputvolumebyte(vortex, mix, mixin, 0x80); + mchannels[mix] &= ~(1 << mixin); + vortex_mix_setenablebit(vortex, mix, mixin, 0); +} + +static void +vortex_mix_enableinput(vortex_t * vortex, unsigned char mix, int mixin) +{ + vortex_mix_killinput(vortex, mix, mixin); + if ((mchannels[mix] & (1 << mixin)) == 0) { + vortex_mix_setinputvolumebyte(vortex, mix, mixin, 0x80); /*0x80 : mute */ + mchannels[mix] |= (1 << mixin); + } + vortex_mix_setenablebit(vortex, mix, mixin, 1); +} + +static void +vortex_mix_disableinput(vortex_t * vortex, unsigned char mix, int channel, + int ramp) +{ + if (ramp) { + rampchs[mix] |= (1 << channel); + // Register callback. + //vortex_mix_startrampvolume(vortex); + vortex_mix_killinput(vortex, mix, channel); + } else + vortex_mix_killinput(vortex, mix, channel); +} + +static int +vortex_mixer_addWTD(vortex_t * vortex, unsigned char mix, unsigned char ch) +{ + int temp, lifeboat = 0, prev; + + temp = hwread(vortex->mmio, VORTEX_MIXER_SR); + if ((temp & (1 << ch)) == 0) { + hwwrite(vortex->mmio, VORTEX_MIXER_CHNBASE + (ch << 2), mix); + vortex_mixer_en_sr(vortex, ch); + return 1; + } + prev = VORTEX_MIXER_CHNBASE + (ch << 2); + temp = hwread(vortex->mmio, prev); + while (temp & 0x10) { + prev = VORTEX_MIXER_RTBASE + ((temp & 0xf) << 2); + temp = hwread(vortex->mmio, prev); + //printk(KERN_INFO "vortex: mixAddWTD: while addr=%x, val=%x\n", prev, temp); + if ((++lifeboat) > 0xf) { + printk(KERN_ERR + "vortex_mixer_addWTD: lifeboat overflow\n"); + return 0; + } + } + hwwrite(vortex->mmio, VORTEX_MIXER_RTBASE + ((temp & 0xf) << 2), mix); + hwwrite(vortex->mmio, prev, (temp & 0xf) | 0x10); + return 1; +} + +static int +vortex_mixer_delWTD(vortex_t * vortex, unsigned char mix, unsigned char ch) +{ + int esp14 = -1, esp18, eax, ebx, edx, ebp, esi = 0; + //int esp1f=edi(while)=src, esp10=ch; + + eax = hwread(vortex->mmio, VORTEX_MIXER_SR); + if (((1 << ch) & eax) == 0) { + printk(KERN_ERR "mix ALARM %x\n", eax); + return 0; + } + ebp = VORTEX_MIXER_CHNBASE + (ch << 2); + esp18 = hwread(vortex->mmio, ebp); + if (esp18 & 0x10) { + ebx = (esp18 & 0xf); + if (mix == ebx) { + ebx = VORTEX_MIXER_RTBASE + (mix << 2); + edx = hwread(vortex->mmio, ebx); + //7b60 + hwwrite(vortex->mmio, ebp, edx); + hwwrite(vortex->mmio, ebx, 0); + } else { + //7ad3 + edx = + hwread(vortex->mmio, + VORTEX_MIXER_RTBASE + (ebx << 2)); + //printk(KERN_INFO "vortex: mixdelWTD: 1 addr=%x, val=%x, src=%x\n", ebx, edx, src); + while ((edx & 0xf) != mix) { + if ((esi) > 0xf) { + printk(KERN_ERR + "vortex: mixdelWTD: error lifeboat overflow\n"); + return 0; + } + esp14 = ebx; + ebx = edx & 0xf; + ebp = ebx << 2; + edx = + hwread(vortex->mmio, + VORTEX_MIXER_RTBASE + ebp); + //printk(KERN_INFO "vortex: mixdelWTD: while addr=%x, val=%x\n", ebp, edx); + esi++; + } + //7b30 + ebp = ebx << 2; + if (edx & 0x10) { /* Delete entry in between others */ + ebx = VORTEX_MIXER_RTBASE + ((edx & 0xf) << 2); + edx = hwread(vortex->mmio, ebx); + //7b60 + hwwrite(vortex->mmio, + VORTEX_MIXER_RTBASE + ebp, edx); + hwwrite(vortex->mmio, ebx, 0); + //printk(KERN_INFO "vortex mixdelWTD between addr= 0x%x, val= 0x%x\n", ebp, edx); + } else { /* Delete last entry */ + //7b83 + if (esp14 == -1) + hwwrite(vortex->mmio, + VORTEX_MIXER_CHNBASE + + (ch << 2), esp18 & 0xef); + else { + ebx = (0xffffffe0 & edx) | (0xf & ebx); + hwwrite(vortex->mmio, + VORTEX_MIXER_RTBASE + + (esp14 << 2), ebx); + //printk(KERN_INFO "vortex mixdelWTD last addr= 0x%x, val= 0x%x\n", esp14, ebx); + } + hwwrite(vortex->mmio, + VORTEX_MIXER_RTBASE + ebp, 0); + return 1; + } + } + } else { + //printk(KERN_INFO "removed last mix\n"); + //7be0 + vortex_mixer_dis_sr(vortex, ch); + hwwrite(vortex->mmio, ebp, 0); + } + return 1; +} + +static void vortex_mixer_init(vortex_t * vortex) +{ + unsigned long addr; + int x; + + // FIXME: get rid of this crap. + memset(mchannels, 0, NR_MIXOUT * sizeof(int)); + memset(rampchs, 0, NR_MIXOUT * sizeof(int)); + + addr = VORTEX_MIX_SMP + 0x17c; + for (x = 0x5f; x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0); + addr -= 4; + } + addr = VORTEX_MIX_ENIN + 0x1fc; + for (x = 0x7f; x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0); + addr -= 4; + } + addr = VORTEX_MIX_SMP + 0x17c; + for (x = 0x5f; x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0); + addr -= 4; + } + addr = VORTEX_MIX_INVOL_A + 0x7fc; + for (x = 0x1ff; x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0x80); + addr -= 4; + } + addr = VORTEX_MIX_VOL_A + 0x3c; + for (x = 0xf; x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0x80); + addr -= 4; + } + addr = VORTEX_MIX_INVOL_B + 0x7fc; + for (x = 0x1ff; x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0x80); + addr -= 4; + } + addr = VORTEX_MIX_VOL_B + 0x3c; + for (x = 0xf; x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0x80); + addr -= 4; + } + addr = VORTEX_MIXER_RTBASE + (MIXER_RTBASE_SIZE - 1) * 4; + for (x = (MIXER_RTBASE_SIZE - 1); x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0x0); + addr -= 4; + } + hwwrite(vortex->mmio, VORTEX_MIXER_SR, 0); + + /* Set clipping ceiling (this may be all wrong). */ + /* + for (x = 0; x > 0x80; x++) { + hwwrite(vortex->mmio, VORTEX_MIXER_CLIP + (x << 2), 0x3ffff); + } + */ + /* + call CAsp4Mix__Initialize_CAsp4HwIO____CAsp4Mixer____ + Register ISR callback for volume smooth fade out. + Maybe this avoids clicks when press "stop" ? + */ +} + +/* SRC (CAsp4Src.s and CAsp4SrcBlock) */ + +static void vortex_src_en_sr(vortex_t * vortex, int channel) +{ + hwwrite(vortex->mmio, VORTEX_SRCBLOCK_SR, + hwread(vortex->mmio, VORTEX_SRCBLOCK_SR) | (0x1 << channel)); +} + +static void vortex_src_dis_sr(vortex_t * vortex, int channel) +{ + hwwrite(vortex->mmio, VORTEX_SRCBLOCK_SR, + hwread(vortex->mmio, VORTEX_SRCBLOCK_SR) & ~(0x1 << channel)); +} + +static void vortex_src_flushbuffers(vortex_t * vortex, unsigned char src) +{ + int i; + + for (i = 0x1f; i >= 0; i--) + hwwrite(vortex->mmio, + VORTEX_SRC_DATA0 + (src << 7) + (i << 2), 0); + hwwrite(vortex->mmio, VORTEX_SRC_DATA + (src << 3), 0); + hwwrite(vortex->mmio, VORTEX_SRC_DATA + (src << 3) + 4, 0); +} + +static void vortex_src_cleardrift(vortex_t * vortex, unsigned char src) +{ + hwwrite(vortex->mmio, VORTEX_SRC_DRIFT0 + (src << 2), 0); + hwwrite(vortex->mmio, VORTEX_SRC_DRIFT1 + (src << 2), 0); + hwwrite(vortex->mmio, VORTEX_SRC_DRIFT2 + (src << 2), 1); +} + +static void +vortex_src_set_throttlesource(vortex_t * vortex, unsigned char src, int en) +{ + int temp; + + temp = hwread(vortex->mmio, VORTEX_SRC_SOURCE); + if (en) + temp |= 1 << src; + else + temp &= ~(1 << src); + hwwrite(vortex->mmio, VORTEX_SRC_SOURCE, temp); +} + +static int +vortex_src_persist_convratio(vortex_t * vortex, unsigned char src, int ratio) +{ + int temp, lifeboat = 0; + + do { + hwwrite(vortex->mmio, VORTEX_SRC_CONVRATIO + (src << 2), ratio); + temp = hwread(vortex->mmio, VORTEX_SRC_CONVRATIO + (src << 2)); + if ((++lifeboat) > 0x9) { + printk(KERN_ERR "Vortex: Src cvr fail\n"); + break; + } + } + while (temp != ratio); + return temp; +} + +#if 0 +static void vortex_src_slowlock(vortex_t * vortex, unsigned char src) +{ + int temp; + + hwwrite(vortex->mmio, VORTEX_SRC_DRIFT2 + (src << 2), 1); + hwwrite(vortex->mmio, VORTEX_SRC_DRIFT0 + (src << 2), 0); + temp = hwread(vortex->mmio, VORTEX_SRC_U0 + (src << 2)); + if (temp & 0x200) + hwwrite(vortex->mmio, VORTEX_SRC_U0 + (src << 2), + temp & ~0x200L); +} + +static void +vortex_src_change_convratio(vortex_t * vortex, unsigned char src, int ratio) +{ + int temp, a; + + if ((ratio & 0x10000) && (ratio != 0x10000)) { + if (ratio & 0x3fff) + a = (0x11 - ((ratio >> 0xe) & 0x3)) - 1; + else + a = (0x11 - ((ratio >> 0xe) & 0x3)) - 2; + } else + a = 0xc; + temp = hwread(vortex->mmio, VORTEX_SRC_U0 + (src << 2)); + if (((temp >> 4) & 0xf) != a) + hwwrite(vortex->mmio, VORTEX_SRC_U0 + (src << 2), + (temp & 0xf) | ((a & 0xf) << 4)); + + vortex_src_persist_convratio(vortex, src, ratio); +} + +static int +vortex_src_checkratio(vortex_t * vortex, unsigned char src, + unsigned int desired_ratio) +{ + int hw_ratio, lifeboat = 0; + + hw_ratio = hwread(vortex->mmio, VORTEX_SRC_CONVRATIO + (src << 2)); + + while (hw_ratio != desired_ratio) { + hwwrite(vortex->mmio, VORTEX_SRC_CONVRATIO + (src << 2), desired_ratio); + + if ((lifeboat++) > 15) { + printk(KERN_ERR "Vortex: could not set src-%d from %d to %d\n", + src, hw_ratio, desired_ratio); + break; + } + } + + return hw_ratio; +} + +#endif +/* + Objective: Set samplerate for given SRC module. + Arguments: + card: pointer to vortex_t strcut. + src: Integer index of the SRC module. + cr: Current sample rate conversion factor. + b: unknown 16 bit value. + sweep: Enable Samplerate fade from cr toward tr flag. + dirplay: 1: playback, 0: recording. + sl: Slow Lock flag. + tr: Target samplerate conversion. + thsource: Throttle source flag (no idea what that means). +*/ +static void vortex_src_setupchannel(vortex_t * card, unsigned char src, + unsigned int cr, unsigned int b, int sweep, int d, + int dirplay, int sl, unsigned int tr, int thsource) +{ + // noplayback: d=2,4,7,0xa,0xb when using first 2 src's. + // c: enables pitch sweep. + // looks like g is c related. Maybe g is a sweep parameter ? + // g = cvr + // dirplay: 0 = recording, 1 = playback + // d = src hw index. + + int esi, ebp = 0, esp10; + + vortex_src_flushbuffers(card, src); + + if (sweep) { + if ((tr & 0x10000) && (tr != 0x10000)) { + tr = 0; + esi = 0x7; + } else { + if ((((short)tr) < 0) && (tr != 0x8000)) { + tr = 0; + esi = 0x8; + } else { + tr = 1; + esi = 0xc; + } + } + } else { + if ((cr & 0x10000) && (cr != 0x10000)) { + tr = 0; /*ebx = 0 */ + esi = 0x11 - ((cr >> 0xe) & 7); + if (cr & 0x3fff) + esi -= 1; + else + esi -= 2; + } else { + tr = 1; + esi = 0xc; + } + } + vortex_src_cleardrift(card, src); + vortex_src_set_throttlesource(card, src, thsource); + + if ((dirplay == 0) && (sweep == 0)) { + if (tr) + esp10 = 0xf; + else + esp10 = 0xc; + ebp = 0; + } else { + if (tr) + ebp = 0xf; + else + ebp = 0xc; + esp10 = 0; + } + hwwrite(card->mmio, VORTEX_SRC_U0 + (src << 2), + (sl << 0x9) | (sweep << 0x8) | ((esi & 0xf) << 4) | d); + /* 0xc0 esi=0xc c=f=0 d=0 */ + vortex_src_persist_convratio(card, src, cr); + hwwrite(card->mmio, VORTEX_SRC_U1 + (src << 2), b & 0xffff); + /* 0 b=0 */ + hwwrite(card->mmio, VORTEX_SRC_U2 + (src << 2), + (tr << 0x11) | (dirplay << 0x10) | (ebp << 0x8) | esp10); + /* 0x30f00 e=g=1 esp10=0 ebp=f */ + //printk(KERN_INFO "vortex: SRC %d, d=0x%x, esi=0x%x, esp10=0x%x, ebp=0x%x\n", src, d, esi, esp10, ebp); +} + +static void vortex_srcblock_init(vortex_t * vortex) +{ + unsigned long addr; + int x; + hwwrite(vortex->mmio, VORTEX_SRC_SOURCESIZE, 0x1ff); + /* + for (x=0; x<0x10; x++) { + vortex_src_init(&vortex_src[x], x); + } + */ + //addr = 0xcc3c; + //addr = 0x26c3c; + addr = VORTEX_SRC_RTBASE + 0x3c; + for (x = 0xf; x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0); + addr -= 4; + } + //addr = 0xcc94; + //addr = 0x26c94; + addr = VORTEX_SRC_CHNBASE + 0x54; + for (x = 0x15; x >= 0; x--) { + hwwrite(vortex->mmio, addr, 0); + addr -= 4; + } +} + +static int +vortex_src_addWTD(vortex_t * vortex, unsigned char src, unsigned char ch) +{ + int temp, lifeboat = 0, prev; + // esp13 = src + + temp = hwread(vortex->mmio, VORTEX_SRCBLOCK_SR); + if ((temp & (1 << ch)) == 0) { + hwwrite(vortex->mmio, VORTEX_SRC_CHNBASE + (ch << 2), src); + vortex_src_en_sr(vortex, ch); + return 1; + } + prev = VORTEX_SRC_CHNBASE + (ch << 2); /*ebp */ + temp = hwread(vortex->mmio, prev); + //while (temp & NR_SRC) { + while (temp & 0x10) { + prev = VORTEX_SRC_RTBASE + ((temp & 0xf) << 2); /*esp12 */ + //prev = VORTEX_SRC_RTBASE + ((temp & (NR_SRC-1)) << 2); /*esp12*/ + temp = hwread(vortex->mmio, prev); + //printk(KERN_INFO "vortex: srcAddWTD: while addr=%x, val=%x\n", prev, temp); + if ((++lifeboat) > 0xf) { + printk(KERN_ERR + "vortex_src_addWTD: lifeboat overflow\n"); + return 0; + } + } + hwwrite(vortex->mmio, VORTEX_SRC_RTBASE + ((temp & 0xf) << 2), src); + //hwwrite(vortex->mmio, prev, (temp & (NR_SRC-1)) | NR_SRC); + hwwrite(vortex->mmio, prev, (temp & 0xf) | 0x10); + return 1; +} + +static int +vortex_src_delWTD(vortex_t * vortex, unsigned char src, unsigned char ch) +{ + int esp14 = -1, esp18, eax, ebx, edx, ebp, esi = 0; + //int esp1f=edi(while)=src, esp10=ch; + + eax = hwread(vortex->mmio, VORTEX_SRCBLOCK_SR); + if (((1 << ch) & eax) == 0) { + printk(KERN_ERR "src alarm\n"); + return 0; + } + ebp = VORTEX_SRC_CHNBASE + (ch << 2); + esp18 = hwread(vortex->mmio, ebp); + if (esp18 & 0x10) { + ebx = (esp18 & 0xf); + if (src == ebx) { + ebx = VORTEX_SRC_RTBASE + (src << 2); + edx = hwread(vortex->mmio, ebx); + //7b60 + hwwrite(vortex->mmio, ebp, edx); + hwwrite(vortex->mmio, ebx, 0); + } else { + //7ad3 + edx = + hwread(vortex->mmio, + VORTEX_SRC_RTBASE + (ebx << 2)); + //printk(KERN_INFO "vortex: srcdelWTD: 1 addr=%x, val=%x, src=%x\n", ebx, edx, src); + while ((edx & 0xf) != src) { + if ((esi) > 0xf) { + printk + ("vortex: srcdelWTD: error, lifeboat overflow\n"); + return 0; + } + esp14 = ebx; + ebx = edx & 0xf; + ebp = ebx << 2; + edx = + hwread(vortex->mmio, + VORTEX_SRC_RTBASE + ebp); + //printk(KERN_INFO "vortex: srcdelWTD: while addr=%x, val=%x\n", ebp, edx); + esi++; + } + //7b30 + ebp = ebx << 2; + if (edx & 0x10) { /* Delete entry in between others */ + ebx = VORTEX_SRC_RTBASE + ((edx & 0xf) << 2); + edx = hwread(vortex->mmio, ebx); + //7b60 + hwwrite(vortex->mmio, + VORTEX_SRC_RTBASE + ebp, edx); + hwwrite(vortex->mmio, ebx, 0); + //printk(KERN_INFO "vortex srcdelWTD between addr= 0x%x, val= 0x%x\n", ebp, edx); + } else { /* Delete last entry */ + //7b83 + if (esp14 == -1) + hwwrite(vortex->mmio, + VORTEX_SRC_CHNBASE + + (ch << 2), esp18 & 0xef); + else { + ebx = (0xffffffe0 & edx) | (0xf & ebx); + hwwrite(vortex->mmio, + VORTEX_SRC_RTBASE + + (esp14 << 2), ebx); + //printk(KERN_INFO"vortex srcdelWTD last addr= 0x%x, val= 0x%x\n", esp14, ebx); + } + hwwrite(vortex->mmio, + VORTEX_SRC_RTBASE + ebp, 0); + return 1; + } + } + } else { + //7be0 + vortex_src_dis_sr(vortex, ch); + hwwrite(vortex->mmio, ebp, 0); + } + return 1; +} + + /*FIFO*/ + +static void +vortex_fifo_clearadbdata(vortex_t * vortex, int fifo, int x) +{ + for (x--; x >= 0; x--) + hwwrite(vortex->mmio, + VORTEX_FIFO_ADBDATA + + (((fifo << FIFO_SIZE_BITS) + x) << 2), 0); +} + +#if 0 +static void vortex_fifo_adbinitialize(vortex_t * vortex, int fifo, int j) +{ + vortex_fifo_clearadbdata(vortex, fifo, FIFO_SIZE); +#ifdef CHIP_AU8820 + hwwrite(vortex->mmio, VORTEX_FIFO_ADBCTRL + (fifo << 2), + (FIFO_U1 | ((j & FIFO_MASK) << 0xb))); +#else + hwwrite(vortex->mmio, VORTEX_FIFO_ADBCTRL + (fifo << 2), + (FIFO_U1 | ((j & FIFO_MASK) << 0xc))); +#endif +} +#endif +static void vortex_fifo_setadbvalid(vortex_t * vortex, int fifo, int en) +{ + hwwrite(vortex->mmio, VORTEX_FIFO_ADBCTRL + (fifo << 2), + (hwread(vortex->mmio, VORTEX_FIFO_ADBCTRL + (fifo << 2)) & + 0xffffffef) | ((1 & en) << 4) | FIFO_U1); +} + +static void +vortex_fifo_setadbctrl(vortex_t * vortex, int fifo, int b, int priority, + int empty, int valid, int f) +{ + int temp, lifeboat = 0; + //int this_8[NR_ADB] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; /* position */ + int this_4 = 0x2; + /* f seems priority related. + * CAsp4AdbDma::SetPriority is the only place that calls SetAdbCtrl with f set to 1 + * every where else it is set to 0. It seems, however, that CAsp4AdbDma::SetPriority + * is never called, thus the f related bits remain a mystery for now. + */ + do { + temp = hwread(vortex->mmio, VORTEX_FIFO_ADBCTRL + (fifo << 2)); + if (lifeboat++ > 0xbb8) { + printk(KERN_ERR + "Vortex: vortex_fifo_setadbctrl fail\n"); + break; + } + } + while (temp & FIFO_RDONLY); + + // AU8830 semes to take some special care about fifo content (data). + // But i'm just to lazy to translate that :) + if (valid) { + if ((temp & FIFO_VALID) == 0) { + //this_8[fifo] = 0; + vortex_fifo_clearadbdata(vortex, fifo, FIFO_SIZE); // this_4 +#ifdef CHIP_AU8820 + temp = (this_4 & 0x1f) << 0xb; +#else + temp = (this_4 & 0x3f) << 0xc; +#endif + temp = (temp & 0xfffffffd) | ((b & 1) << 1); + temp = (temp & 0xfffffff3) | ((priority & 3) << 2); + temp = (temp & 0xffffffef) | ((valid & 1) << 4); + temp |= FIFO_U1; + temp = (temp & 0xffffffdf) | ((empty & 1) << 5); +#ifdef CHIP_AU8820 + temp = (temp & 0xfffbffff) | ((f & 1) << 0x12); +#endif +#ifdef CHIP_AU8830 + temp = (temp & 0xf7ffffff) | ((f & 1) << 0x1b); + temp = (temp & 0xefffffff) | ((f & 1) << 0x1c); +#endif +#ifdef CHIP_AU8810 + temp = (temp & 0xfeffffff) | ((f & 1) << 0x18); + temp = (temp & 0xfdffffff) | ((f & 1) << 0x19); +#endif + } + } else { + if (temp & FIFO_VALID) { +#ifdef CHIP_AU8820 + temp = ((f & 1) << 0x12) | (temp & 0xfffbffef); +#endif +#ifdef CHIP_AU8830 + temp = + ((f & 1) << 0x1b) | (temp & 0xe7ffffef) | FIFO_BITS; +#endif +#ifdef CHIP_AU8810 + temp = + ((f & 1) << 0x18) | (temp & 0xfcffffef) | FIFO_BITS; +#endif + } else + /*if (this_8[fifo]) */ + vortex_fifo_clearadbdata(vortex, fifo, FIFO_SIZE); + } + hwwrite(vortex->mmio, VORTEX_FIFO_ADBCTRL + (fifo << 2), temp); + hwread(vortex->mmio, VORTEX_FIFO_ADBCTRL + (fifo << 2)); +} + +#ifndef CHIP_AU8810 +static void vortex_fifo_clearwtdata(vortex_t * vortex, int fifo, int x) +{ + if (x < 1) + return; + for (x--; x >= 0; x--) + hwwrite(vortex->mmio, + VORTEX_FIFO_WTDATA + + (((fifo << FIFO_SIZE_BITS) + x) << 2), 0); +} + +static void vortex_fifo_wtinitialize(vortex_t * vortex, int fifo, int j) +{ + vortex_fifo_clearwtdata(vortex, fifo, FIFO_SIZE); +#ifdef CHIP_AU8820 + hwwrite(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2), + (FIFO_U1 | ((j & FIFO_MASK) << 0xb))); +#else + hwwrite(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2), + (FIFO_U1 | ((j & FIFO_MASK) << 0xc))); +#endif +} + +static void vortex_fifo_setwtvalid(vortex_t * vortex, int fifo, int en) +{ + hwwrite(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2), + (hwread(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2)) & + 0xffffffef) | ((en & 1) << 4) | FIFO_U1); +} + +static void +vortex_fifo_setwtctrl(vortex_t * vortex, int fifo, int ctrl, int priority, + int empty, int valid, int f) +{ + int temp = 0, lifeboat = 0; + int this_4 = 2; + + do { + temp = hwread(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2)); + if (lifeboat++ > 0xbb8) { + printk(KERN_ERR "Vortex: vortex_fifo_setwtctrl fail\n"); + break; + } + } + while (temp & FIFO_RDONLY); + + if (valid) { + if ((temp & FIFO_VALID) == 0) { + vortex_fifo_clearwtdata(vortex, fifo, FIFO_SIZE); // this_4 +#ifdef CHIP_AU8820 + temp = (this_4 & 0x1f) << 0xb; +#else + temp = (this_4 & 0x3f) << 0xc; +#endif + temp = (temp & 0xfffffffd) | ((ctrl & 1) << 1); + temp = (temp & 0xfffffff3) | ((priority & 3) << 2); + temp = (temp & 0xffffffef) | ((valid & 1) << 4); + temp |= FIFO_U1; + temp = (temp & 0xffffffdf) | ((empty & 1) << 5); +#ifdef CHIP_AU8820 + temp = (temp & 0xfffbffff) | ((f & 1) << 0x12); +#endif +#ifdef CHIP_AU8830 + temp = (temp & 0xf7ffffff) | ((f & 1) << 0x1b); + temp = (temp & 0xefffffff) | ((f & 1) << 0x1c); +#endif +#ifdef CHIP_AU8810 + temp = (temp & 0xfeffffff) | ((f & 1) << 0x18); + temp = (temp & 0xfdffffff) | ((f & 1) << 0x19); +#endif + } + } else { + if (temp & FIFO_VALID) { +#ifdef CHIP_AU8820 + temp = ((f & 1) << 0x12) | (temp & 0xfffbffef); +#endif +#ifdef CHIP_AU8830 + temp = + ((f & 1) << 0x1b) | (temp & 0xe7ffffef) | FIFO_BITS; +#endif +#ifdef CHIP_AU8810 + temp = + ((f & 1) << 0x18) | (temp & 0xfcffffef) | FIFO_BITS; +#endif + } else + /*if (this_8[fifo]) */ + vortex_fifo_clearwtdata(vortex, fifo, FIFO_SIZE); + } + hwwrite(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2), temp); + hwread(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2)); + +/* + do { + temp = hwread(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2)); + if (lifeboat++ > 0xbb8) { + printk(KERN_ERR "Vortex: vortex_fifo_setwtctrl fail (hanging)\n"); + break; + } + } while ((temp & FIFO_RDONLY)&&(temp & FIFO_VALID)&&(temp != 0xFFFFFFFF)); + + + if (valid) { + if (temp & FIFO_VALID) { + temp = 0x40000; + //temp |= 0x08000000; + //temp |= 0x10000000; + //temp |= 0x04000000; + //temp |= 0x00400000; + temp |= 0x1c400000; + temp &= 0xFFFFFFF3; + temp &= 0xFFFFFFEF; + temp |= (valid & 1) << 4; + hwwrite(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2), temp); + return; + } else { + vortex_fifo_clearwtdata(vortex, fifo, FIFO_SIZE); + return; + } + } else { + temp &= 0xffffffef; + temp |= 0x08000000; + temp |= 0x10000000; + temp |= 0x04000000; + temp |= 0x00400000; + hwwrite(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2), temp); + temp = hwread(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2)); + //((temp >> 6) & 0x3f) + + priority = 0; + if (((temp & 0x0fc0) ^ ((temp >> 6) & 0x0fc0)) & 0FFFFFFC0) + vortex_fifo_clearwtdata(vortex, fifo, FIFO_SIZE); + valid = 0xfb; + temp = (temp & 0xfffffffd) | ((ctrl & 1) << 1); + temp = (temp & 0xfffdffff) | ((f & 1) << 0x11); + temp = (temp & 0xfffffff3) | ((priority & 3) << 2); + temp = (temp & 0xffffffef) | ((valid & 1) << 4); + temp = (temp & 0xffffffdf) | ((empty & 1) << 5); + hwwrite(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2), temp); + } + + */ + + /* + temp = (temp & 0xfffffffd) | ((ctrl & 1) << 1); + temp = (temp & 0xfffdffff) | ((f & 1) << 0x11); + temp = (temp & 0xfffffff3) | ((priority & 3) << 2); + temp = (temp & 0xffffffef) | ((valid & 1) << 4); + temp = (temp & 0xffffffdf) | ((empty & 1) << 5); + #ifdef FIFO_BITS + temp = temp | FIFO_BITS | 40000; + #endif + // 0x1c440010, 0x1c400000 + hwwrite(vortex->mmio, VORTEX_FIFO_WTCTRL + (fifo << 2), temp); + */ +} + +#endif +static void vortex_fifo_init(vortex_t * vortex) +{ + int x; + unsigned long addr; + + /* ADB DMA channels fifos. */ + addr = VORTEX_FIFO_ADBCTRL + ((NR_ADB - 1) * 4); + for (x = NR_ADB - 1; x >= 0; x--) { + hwwrite(vortex->mmio, addr, (FIFO_U0 | FIFO_U1)); + if (hwread(vortex->mmio, addr) != (FIFO_U0 | FIFO_U1)) + printk(KERN_ERR "bad adb fifo reset!"); + vortex_fifo_clearadbdata(vortex, x, FIFO_SIZE); + addr -= 4; + } + +#ifndef CHIP_AU8810 + /* WT DMA channels fifos. */ + addr = VORTEX_FIFO_WTCTRL + ((NR_WT - 1) * 4); + for (x = NR_WT - 1; x >= 0; x--) { + hwwrite(vortex->mmio, addr, FIFO_U0); + if (hwread(vortex->mmio, addr) != FIFO_U0) + printk(KERN_ERR + "bad wt fifo reset (0x%08lx, 0x%08x)!\n", + addr, hwread(vortex->mmio, addr)); + vortex_fifo_clearwtdata(vortex, x, FIFO_SIZE); + addr -= 4; + } +#endif + /* trigger... */ +#ifdef CHIP_AU8820 + hwwrite(vortex->mmio, 0xf8c0, 0xd03); //0x0843 0xd6b +#else +#ifdef CHIP_AU8830 + hwwrite(vortex->mmio, 0x17000, 0x61); /* wt a */ + hwwrite(vortex->mmio, 0x17004, 0x61); /* wt b */ +#endif + hwwrite(vortex->mmio, 0x17008, 0x61); /* adb */ +#endif +} + +/* ADBDMA */ + +static void vortex_adbdma_init(vortex_t * vortex) +{ +} + +static void vortex_adbdma_setfirstbuffer(vortex_t * vortex, int adbdma) +{ + stream_t *dma = &vortex->dma_adb[adbdma]; + + hwwrite(vortex->mmio, VORTEX_ADBDMA_CTRL + (adbdma << 2), + dma->dma_ctrl); +} + +static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb) +{ + stream_t *dma = &vortex->dma_adb[adbdma]; + //hwwrite(vortex->mmio, VORTEX_ADBDMA_START + (adbdma << 2), sb << (((NR_ADB-1)-((adbdma&0xf)*2)))); + hwwrite(vortex->mmio, VORTEX_ADBDMA_START + (adbdma << 2), + sb << ((0xf - (adbdma & 0xf)) * 2)); + dma->period_real = dma->period_virt = sb; +} + +static void +vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma, + snd_pcm_sgbuf_t * sgbuf, int psize, int count) +{ + stream_t *dma = &vortex->dma_adb[adbdma]; + + if (sgbuf == NULL) { + printk(KERN_INFO "vortex: FATAL: sgbuf is NULL!\n"); + return; + } + //printk(KERN_INFO "vortex: page count = %d, tblcount = %d\n", count, sgbuf->tblsize); + + dma->period_bytes = psize; + dma->nr_periods = count; + dma->sgbuf = sgbuf; + + dma->cfg0 = 0; + dma->cfg1 = 0; + switch (count) { + /* Four or more pages */ + default: + case 4: + dma->cfg1 |= 0x88000000 | 0x44000000 | 0x30000000 | (psize - 1); + hwwrite(vortex->mmio, + VORTEX_ADBDMA_BUFBASE + (adbdma << 4) + 0xc, + snd_sgbuf_get_addr(sgbuf, psize * 3)); + /* 3 pages */ + case 3: + dma->cfg0 |= 0x12000000; + dma->cfg1 |= 0x80000000 | 0x40000000 | ((psize - 1) << 0xc); + hwwrite(vortex->mmio, + VORTEX_ADBDMA_BUFBASE + (adbdma << 4) + 0x8, + snd_sgbuf_get_addr(sgbuf, psize * 2)); + /* 2 pages */ + case 2: + dma->cfg0 |= 0x88000000 | 0x44000000 | 0x10000000 | (psize - 1); + hwwrite(vortex->mmio, + VORTEX_ADBDMA_BUFBASE + (adbdma << 4) + 0x4, + snd_sgbuf_get_addr(sgbuf, psize)); + /* 1 page */ + case 1: + dma->cfg0 |= 0x80000000 | 0x40000000 | ((psize - 1) << 0xc); + hwwrite(vortex->mmio, + VORTEX_ADBDMA_BUFBASE + (adbdma << 4), + snd_sgbuf_get_addr(sgbuf, 0)); + break; + } + //printk("vortex: cfg0 = 0x%x\nvortex: cfg1=0x%x\n", dma->cfg0, dma->cfg1); + hwwrite(vortex->mmio, VORTEX_ADBDMA_BUFCFG0 + (adbdma << 3), dma->cfg0); + hwwrite(vortex->mmio, VORTEX_ADBDMA_BUFCFG1 + (adbdma << 3), dma->cfg1); + + vortex_adbdma_setfirstbuffer(vortex, adbdma); + vortex_adbdma_setstartbuffer(vortex, adbdma, 0); +} + +static void +vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie, int dir, + int fmt, int d, unsigned long offset) +{ + stream_t *dma = &vortex->dma_adb[adbdma]; + + dma->dma_unknown = d; + dma->dma_ctrl = + ((offset & OFFSET_MASK) | (dma->dma_ctrl & ~OFFSET_MASK)); + /* Enable PCMOUT interrupts. */ + dma->dma_ctrl = + (dma->dma_ctrl & ~IE_MASK) | ((ie << IE_SHIFT) & IE_MASK); + + dma->dma_ctrl = + (dma->dma_ctrl & ~DIR_MASK) | ((dir << DIR_SHIFT) & DIR_MASK); + dma->dma_ctrl = + (dma->dma_ctrl & ~FMT_MASK) | ((fmt << FMT_SHIFT) & FMT_MASK); + + hwwrite(vortex->mmio, VORTEX_ADBDMA_CTRL + (adbdma << 2), + dma->dma_ctrl); + hwread(vortex->mmio, VORTEX_ADBDMA_CTRL + (adbdma << 2)); +} + +static int vortex_adbdma_bufshift(vortex_t * vortex, int adbdma) +{ + stream_t *dma = &vortex->dma_adb[adbdma]; + int page, p, pp, delta, i; + + page = + (hwread(vortex->mmio, VORTEX_ADBDMA_STAT + (adbdma << 2)) & + ADB_SUBBUF_MASK) >> ADB_SUBBUF_SHIFT; + if (dma->nr_periods >= 4) + delta = (page - dma->period_real) & 3; + else { + delta = (page - dma->period_real); + if (delta < 0) + delta += dma->nr_periods; + } + if (delta == 0) + return 0; + + /* refresh hw page table */ + if (dma->nr_periods > 4) { + for (i = 0; i < delta; i++) { + /* p: audio buffer page index */ + p = dma->period_virt + i + 4; + if (p >= dma->nr_periods) + p -= dma->nr_periods; + /* pp: hardware DMA page index. */ + pp = dma->period_real + i; + if (pp >= 4) + pp -= 4; + //hwwrite(vortex->mmio, VORTEX_ADBDMA_BUFBASE+(((adbdma << 2)+pp) << 2), dma->table[p].addr); + hwwrite(vortex->mmio, + VORTEX_ADBDMA_BUFBASE + (((adbdma << 2) + pp) << 2), + snd_sgbuf_get_addr(dma->sgbuf, + dma->period_bytes * p)); + /* Force write thru cache. */ + hwread(vortex->mmio, VORTEX_ADBDMA_BUFBASE + + (((adbdma << 2) + pp) << 2)); + } + } + dma->period_virt += delta; + dma->period_real = page; + if (dma->period_virt >= dma->nr_periods) + dma->period_virt -= dma->nr_periods; + if (delta != 1) + printk(KERN_INFO "vortex: %d virt=%d, real=%d, delta=%d\n", + adbdma, dma->period_virt, dma->period_real, delta); + + return delta; +} + + +static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma) { + stream_t *dma = &vortex->dma_adb[adbdma]; + int p, pp, i; + + /* refresh hw page table */ + for (i=0 ; i < 4 && i < dma->nr_periods; i++) { + /* p: audio buffer page index */ + p = dma->period_virt + i; + if (p >= dma->nr_periods) + p -= dma->nr_periods; + /* pp: hardware DMA page index. */ + pp = dma->period_real + i; + if (dma->nr_periods < 4) { + if (pp >= dma->nr_periods) + pp -= dma->nr_periods; + } + else { + if (pp >= 4) + pp -= 4; + } + hwwrite(vortex->mmio, VORTEX_ADBDMA_BUFBASE+(((adbdma << 2)+pp) << 2), snd_sgbuf_get_addr(dma->sgbuf, dma->period_bytes * p)); + /* Force write thru cache. */ + hwread(vortex->mmio, VORTEX_ADBDMA_BUFBASE + (((adbdma << 2)+pp) << 2)); + } +} + +static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma) +{ + stream_t *dma = &vortex->dma_adb[adbdma]; + int temp; + + temp = hwread(vortex->mmio, VORTEX_ADBDMA_STAT + (adbdma << 2)); + temp = (dma->period_virt * dma->period_bytes) + (temp & POS_MASK); + return (temp); +} + +static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma) +{ + int this_8 = 0 /*empty */ , this_4 = 0 /*priority */ ; + stream_t *dma = &vortex->dma_adb[adbdma]; + + switch (dma->fifo_status) { + case FIFO_START: + vortex_fifo_setadbvalid(vortex, adbdma, + dma->fifo_enabled ? 1 : 0); + break; + case FIFO_STOP: + this_8 = 1; + hwwrite(vortex->mmio, VORTEX_ADBDMA_CTRL + (adbdma << 2), + dma->dma_ctrl); + vortex_fifo_setadbctrl(vortex, adbdma, dma->dma_unknown, + this_4, this_8, + dma->fifo_enabled ? 1 : 0, 0); + break; + case FIFO_PAUSE: + vortex_fifo_setadbctrl(vortex, adbdma, dma->dma_unknown, + this_4, this_8, + dma->fifo_enabled ? 1 : 0, 0); + break; + } + dma->fifo_status = FIFO_START; +} + +static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma) +{ + stream_t *dma = &vortex->dma_adb[adbdma]; + + int this_8 = 1, this_4 = 0; + switch (dma->fifo_status) { + case FIFO_STOP: + hwwrite(vortex->mmio, VORTEX_ADBDMA_CTRL + (adbdma << 2), + dma->dma_ctrl); + vortex_fifo_setadbctrl(vortex, adbdma, dma->dma_unknown, + this_4, this_8, + dma->fifo_enabled ? 1 : 0, 0); + break; + case FIFO_PAUSE: + vortex_fifo_setadbctrl(vortex, adbdma, dma->dma_unknown, + this_4, this_8, + dma->fifo_enabled ? 1 : 0, 0); + break; + } + dma->fifo_status = FIFO_START; +} + +static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma) +{ + stream_t *dma = &vortex->dma_adb[adbdma]; + + int this_8 = 0, this_4 = 0; + switch (dma->fifo_status) { + case FIFO_START: + vortex_fifo_setadbctrl(vortex, adbdma, dma->dma_unknown, + this_4, this_8, 0, 0); + break; + case FIFO_STOP: + hwwrite(vortex->mmio, VORTEX_ADBDMA_CTRL + (adbdma << 2), + dma->dma_ctrl); + vortex_fifo_setadbctrl(vortex, adbdma, dma->dma_unknown, + this_4, this_8, 0, 0); + break; + } + dma->fifo_status = FIFO_PAUSE; +} + +#if 0 // Using pause instead +static void vortex_adbdma_stopfifo(vortex_t * vortex, int adbdma) +{ + stream_t *dma = &vortex->dma_adb[adbdma]; + + int this_4 = 0, this_8 = 0; + if (dma->fifo_status == FIFO_START) + vortex_fifo_setadbctrl(vortex, adbdma, dma->dma_unknown, + this_4, this_8, 0, 0); + else if (dma->fifo_status == FIFO_STOP) + return; + dma->fifo_status = FIFO_STOP; + dma->fifo_enabled = 0; +} + +#endif +/* WTDMA */ + +#ifndef CHIP_AU8810 +static void vortex_wtdma_setfirstbuffer(vortex_t * vortex, int wtdma) +{ + //int this_7c=dma_ctrl; + stream_t *dma = &vortex->dma_wt[wtdma]; + + hwwrite(vortex->mmio, VORTEX_WTDMA_CTRL + (wtdma << 2), dma->dma_ctrl); +} + +static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb) +{ + stream_t *dma = &vortex->dma_wt[wtdma]; + //hwwrite(vortex->mmio, VORTEX_WTDMA_START + (wtdma << 2), sb << ((0x1f-(wtdma&0xf)*2))); + hwwrite(vortex->mmio, VORTEX_WTDMA_START + (wtdma << 2), + sb << ((0xf - (wtdma & 0xf)) * 2)); + dma->period_real = dma->period_virt = sb; +} + +static void +vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma, + snd_pcm_sgbuf_t * sgbuf, int psize, int count) +{ + stream_t *dma = &vortex->dma_wt[wtdma]; + + dma->period_bytes = psize; + dma->nr_periods = count; + dma->sgbuf = sgbuf; + + dma->cfg0 = 0; + dma->cfg1 = 0; + switch (count) { + /* Four or more pages */ + default: + case 4: + dma->cfg1 |= 0x88000000 | 0x44000000 | 0x30000000 | (psize-1); + hwwrite(vortex->mmio, VORTEX_WTDMA_BUFBASE + (wtdma << 4) + 0xc, + snd_sgbuf_get_addr(sgbuf, psize * 3)); + /* 3 pages */ + case 3: + dma->cfg0 |= 0x12000000; + dma->cfg1 |= 0x80000000 | 0x40000000 | ((psize-1) << 0xc); + hwwrite(vortex->mmio, VORTEX_WTDMA_BUFBASE + (wtdma << 4) + 0x8, + snd_sgbuf_get_addr(sgbuf, psize * 2)); + /* 2 pages */ + case 2: + dma->cfg0 |= 0x88000000 | 0x44000000 | 0x10000000 | (psize-1); + hwwrite(vortex->mmio, VORTEX_WTDMA_BUFBASE + (wtdma << 4) + 0x4, + snd_sgbuf_get_addr(sgbuf, psize)); + /* 1 page */ + case 1: + dma->cfg0 |= 0x80000000 | 0x40000000 | ((psize-1) << 0xc); + hwwrite(vortex->mmio, VORTEX_WTDMA_BUFBASE + (wtdma << 4), + snd_sgbuf_get_addr(sgbuf, 0)); + break; + } + hwwrite(vortex->mmio, VORTEX_WTDMA_BUFCFG0 + (wtdma << 3), dma->cfg0); + hwwrite(vortex->mmio, VORTEX_WTDMA_BUFCFG1 + (wtdma << 3), dma->cfg1); + + vortex_wtdma_setfirstbuffer(vortex, wtdma); + vortex_wtdma_setstartbuffer(vortex, wtdma, 0); +} + +static void +vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, + /*int e, */ unsigned long offset) +{ + stream_t *dma = &vortex->dma_wt[wtdma]; + + //dma->this_08 = e; + dma->dma_unknown = d; + dma->dma_ctrl = 0; + dma->dma_ctrl = + ((offset & OFFSET_MASK) | (dma->dma_ctrl & ~OFFSET_MASK)); + /* PCMOUT interrupt */ + dma->dma_ctrl = + (dma->dma_ctrl & ~IE_MASK) | ((ie << IE_SHIFT) & IE_MASK); + /* Always playback. */ + dma->dma_ctrl |= (1 << DIR_SHIFT); + /* Audio Format */ + dma->dma_ctrl = + (dma->dma_ctrl & FMT_MASK) | ((fmt << FMT_SHIFT) & FMT_MASK); + /* Write into hardware */ + hwwrite(vortex->mmio, VORTEX_WTDMA_CTRL + (wtdma << 2), dma->dma_ctrl); +} + +static int vortex_wtdma_bufshift(vortex_t * vortex, int wtdma) +{ + stream_t *dma = &vortex->dma_wt[wtdma]; + int page, p, pp, delta, i; + + page = + (hwread(vortex->mmio, VORTEX_WTDMA_STAT + (wtdma << 2)) & + WT_SUBBUF_MASK) + >> WT_SUBBUF_SHIFT; + if (dma->nr_periods >= 4) + delta = (page - dma->period_real) & 3; + else { + delta = (page - dma->period_real); + if (delta < 0) + delta += dma->nr_periods; + } + if (delta == 0) + return 0; + + /* refresh hw page table */ + if (dma->nr_periods > 4) { + for (i = 0; i < delta; i++) { + /* p: audio buffer page index */ + p = dma->period_virt + i + 4; + if (p >= dma->nr_periods) + p -= dma->nr_periods; + /* pp: hardware DMA page index. */ + pp = dma->period_real + i; + if (pp >= 4) + pp -= 4; + hwwrite(vortex->mmio, + VORTEX_WTDMA_BUFBASE + + (((wtdma << 2) + pp) << 2), + snd_sgbuf_get_addr(dma->sgbuf, dma->period_bytes * p)); + /* Force write thru cache. */ + hwread(vortex->mmio, VORTEX_WTDMA_BUFBASE + + (((wtdma << 2) + pp) << 2)); + } + } + dma->period_virt += delta; + if (dma->period_virt >= dma->nr_periods) + dma->period_virt -= dma->nr_periods; + dma->period_real = page; + + if (delta != 1) + printk(KERN_WARNING "vortex: wt virt = %d, delta = %d\n", + dma->period_virt, delta); + + return delta; +} + +#if 0 +static void +vortex_wtdma_getposition(vortex_t * vortex, int wtdma, int *subbuf, int *pos) +{ + int temp; + temp = hwread(vortex->mmio, VORTEX_WTDMA_STAT + (wtdma << 2)); + *subbuf = (temp >> WT_SUBBUF_SHIFT) & WT_SUBBUF_MASK; + *pos = temp & POS_MASK; +} + +static int vortex_wtdma_getcursubuffer(vortex_t * vortex, int wtdma) +{ + return ((hwread(vortex->mmio, VORTEX_WTDMA_STAT + (wtdma << 2)) >> + POS_SHIFT) & POS_MASK); +} +#endif +static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma) +{ + stream_t *dma = &vortex->dma_wt[wtdma]; + int temp; + + temp = hwread(vortex->mmio, VORTEX_WTDMA_STAT + (wtdma << 2)); + //temp = (temp & POS_MASK) + (((temp>>WT_SUBBUF_SHIFT) & WT_SUBBUF_MASK)*(dma->cfg0&POS_MASK)); + temp = (temp & POS_MASK) + ((dma->period_virt) * (dma->period_bytes)); + return temp; +} + +static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma) +{ + stream_t *dma = &vortex->dma_wt[wtdma]; + int this_8 = 0, this_4 = 0; + + switch (dma->fifo_status) { + case FIFO_START: + vortex_fifo_setwtvalid(vortex, wtdma, + dma->fifo_enabled ? 1 : 0); + break; + case FIFO_STOP: + this_8 = 1; + hwwrite(vortex->mmio, VORTEX_WTDMA_CTRL + (wtdma << 2), + dma->dma_ctrl); + vortex_fifo_setwtctrl(vortex, wtdma, dma->dma_unknown, + this_4, this_8, + dma->fifo_enabled ? 1 : 0, 0); + break; + case FIFO_PAUSE: + vortex_fifo_setwtctrl(vortex, wtdma, dma->dma_unknown, + this_4, this_8, + dma->fifo_enabled ? 1 : 0, 0); + break; + } + dma->fifo_status = FIFO_START; +} + +static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma) +{ + stream_t *dma = &vortex->dma_wt[wtdma]; + + int this_8 = 0, this_4 = 0; + switch (dma->fifo_status) { + case FIFO_STOP: + hwwrite(vortex->mmio, VORTEX_WTDMA_CTRL + (wtdma << 2), + dma->dma_ctrl); + vortex_fifo_setwtctrl(vortex, wtdma, dma->dma_unknown, + this_4, this_8, + dma->fifo_enabled ? 1 : 0, 0); + break; + case FIFO_PAUSE: + vortex_fifo_setwtctrl(vortex, wtdma, dma->dma_unknown, + this_4, this_8, + dma->fifo_enabled ? 1 : 0, 0); + break; + } + dma->fifo_status = FIFO_START; +} + +static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma) +{ + stream_t *dma = &vortex->dma_wt[wtdma]; + + int this_8 = 0, this_4 = 0; + switch (dma->fifo_status) { + case FIFO_START: + vortex_fifo_setwtctrl(vortex, wtdma, dma->dma_unknown, + this_4, this_8, 0, 0); + break; + case FIFO_STOP: + hwwrite(vortex->mmio, VORTEX_WTDMA_CTRL + (wtdma << 2), + dma->dma_ctrl); + vortex_fifo_setwtctrl(vortex, wtdma, dma->dma_unknown, + this_4, this_8, 0, 0); + break; + } + dma->fifo_status = FIFO_PAUSE; +} + +static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma) +{ + stream_t *dma = &vortex->dma_wt[wtdma]; + + int this_4 = 0, this_8 = 0; + if (dma->fifo_status == FIFO_START) + vortex_fifo_setwtctrl(vortex, wtdma, dma->dma_unknown, + this_4, this_8, 0, 0); + else if (dma->fifo_status == FIFO_STOP) + return; + dma->fifo_status = FIFO_STOP; + dma->fifo_enabled = 0; +} + +#endif +/* ADB Routes */ + +typedef int ADBRamLink; +static void vortex_adb_init(vortex_t * vortex) +{ + int i; + /* it looks like we are writing more than we need to... + * if we write what we are supposed to it breaks things... */ + hwwrite(vortex->mmio, VORTEX_ADB_SR, 0); + for (i = 0; i < VORTEX_ADB_RTBASE_COUNT; i++) + hwwrite(vortex->mmio, VORTEX_ADB_RTBASE + (i << 2), + hwread(vortex->mmio, + VORTEX_ADB_RTBASE + (i << 2)) | ROUTE_MASK); + for (i = 0; i < VORTEX_ADB_CHNBASE_COUNT; i++) { + hwwrite(vortex->mmio, VORTEX_ADB_CHNBASE + (i << 2), + hwread(vortex->mmio, + VORTEX_ADB_CHNBASE + (i << 2)) | ROUTE_MASK); + } +} + +static void vortex_adb_en_sr(vortex_t * vortex, int channel) +{ + hwwrite(vortex->mmio, VORTEX_ADB_SR, + hwread(vortex->mmio, VORTEX_ADB_SR) | (0x1 << channel)); +} + +static void vortex_adb_dis_sr(vortex_t * vortex, int channel) +{ + hwwrite(vortex->mmio, VORTEX_ADB_SR, + hwread(vortex->mmio, VORTEX_ADB_SR) & ~(0x1 << channel)); +} + +static void +vortex_adb_addroutes(vortex_t * vortex, unsigned char channel, + ADBRamLink * route, int rnum) +{ + int temp, prev, lifeboat = 0; + + if ((rnum <= 0) || (route == NULL)) + return; + /* Write last routes. */ + rnum--; + hwwrite(vortex->mmio, + VORTEX_ADB_RTBASE + ((route[rnum] & ADB_MASK) << 2), + ROUTE_MASK); + while (rnum > 0) { + hwwrite(vortex->mmio, + VORTEX_ADB_RTBASE + + ((route[rnum - 1] & ADB_MASK) << 2), route[rnum]); + rnum--; + } + /* Write first route. */ + temp = + hwread(vortex->mmio, + VORTEX_ADB_CHNBASE + (channel << 2)) & ADB_MASK; + if (temp == ADB_MASK) { + /* First entry on this channel. */ + hwwrite(vortex->mmio, VORTEX_ADB_CHNBASE + (channel << 2), + route[0]); + vortex_adb_en_sr(vortex, channel); + return; + } + /* Not first entry on this channel. Need to link. */ + do { + prev = temp; + temp = + hwread(vortex->mmio, + VORTEX_ADB_RTBASE + (temp << 2)) & ADB_MASK; + if ((lifeboat++) > ADB_MASK) { + printk(KERN_ERR + "vortex_adb_addroutes: unending route! 0x%x\n", + *route); + return; + } + } + while (temp != ADB_MASK); + hwwrite(vortex->mmio, VORTEX_ADB_RTBASE + (prev << 2), route[0]); +} + +static void +vortex_adb_delroutes(vortex_t * vortex, unsigned char channel, + ADBRamLink route0, ADBRamLink route1) +{ + int temp, lifeboat = 0, prev; + + /* Find route. */ + temp = + hwread(vortex->mmio, + VORTEX_ADB_CHNBASE + (channel << 2)) & ADB_MASK; + if (temp == (route0 & ADB_MASK)) { + temp = + hwread(vortex->mmio, + VORTEX_ADB_RTBASE + ((route1 & ADB_MASK) << 2)); + if ((temp & ADB_MASK) == ADB_MASK) + vortex_adb_dis_sr(vortex, channel); + hwwrite(vortex->mmio, VORTEX_ADB_CHNBASE + (channel << 2), + temp); + return; + } + do { + prev = temp; + temp = + hwread(vortex->mmio, + VORTEX_ADB_RTBASE + (prev << 2)) & ADB_MASK; + if (((lifeboat++) > ADB_MASK) || (temp == ADB_MASK)) { + printk(KERN_ERR + "vortex_adb_delroutes: route not found! 0x%x\n", + route0); + return; + } + } + while (temp != (route0 & ADB_MASK)); + temp = hwread(vortex->mmio, VORTEX_ADB_RTBASE + (temp << 2)); + if ((temp & ADB_MASK) == route1) + temp = hwread(vortex->mmio, VORTEX_ADB_RTBASE + (temp << 2)); + /* Make bridge over deleted route. */ + hwwrite(vortex->mmio, VORTEX_ADB_RTBASE + (prev << 2), temp); +} + +static void +vortex_route(vortex_t * vortex, int en, unsigned char channel, + unsigned char source, unsigned char dest) +{ + ADBRamLink route; + + route = ((source & ADB_MASK) << ADB_SHIFT) | (dest & ADB_MASK); + if (en) { + vortex_adb_addroutes(vortex, channel, &route, 1); + if ((source < (OFFSET_SRCOUT + NR_SRC)) + && (source >= OFFSET_SRCOUT)) + vortex_src_addWTD(vortex, (source - OFFSET_SRCOUT), + channel); + else if ((source < (OFFSET_MIXOUT + NR_MIXOUT)) + && (source >= OFFSET_MIXOUT)) + vortex_mixer_addWTD(vortex, + (source - OFFSET_MIXOUT), channel); + } else { + vortex_adb_delroutes(vortex, channel, route, route); + if ((source < (OFFSET_SRCOUT + NR_SRC)) + && (source >= OFFSET_SRCOUT)) + vortex_src_delWTD(vortex, (source - OFFSET_SRCOUT), + channel); + else if ((source < (OFFSET_MIXOUT + NR_MIXOUT)) + && (source >= OFFSET_MIXOUT)) + vortex_mixer_delWTD(vortex, + (source - OFFSET_MIXOUT), channel); + } +} + +#if 0 +static void +vortex_routes(vortex_t * vortex, int en, unsigned char channel, + unsigned char source, unsigned char dest0, unsigned char dest1) +{ + ADBRamLink route[2]; + + route[0] = ((source & ADB_MASK) << ADB_SHIFT) | (dest0 & ADB_MASK); + route[1] = ((source & ADB_MASK) << ADB_SHIFT) | (dest1 & ADB_MASK); + + if (en) { + vortex_adb_addroutes(vortex, channel, route, 2); + if ((source < (OFFSET_SRCOUT + NR_SRC)) + && (source >= (OFFSET_SRCOUT))) + vortex_src_addWTD(vortex, (source - OFFSET_SRCOUT), + channel); + else if ((source < (OFFSET_MIXOUT + NR_MIXOUT)) + && (source >= (OFFSET_MIXOUT))) + vortex_mixer_addWTD(vortex, + (source - OFFSET_MIXOUT), channel); + } else { + vortex_adb_delroutes(vortex, channel, route[0], route[1]); + if ((source < (OFFSET_SRCOUT + NR_SRC)) + && (source >= (OFFSET_SRCOUT))) + vortex_src_delWTD(vortex, (source - OFFSET_SRCOUT), + channel); + else if ((source < (OFFSET_MIXOUT + NR_MIXOUT)) + && (source >= (OFFSET_MIXOUT))) + vortex_mixer_delWTD(vortex, + (source - OFFSET_MIXOUT), channel); + } +} + +#endif +/* Route two sources to same target. Sources must be of same class !!! */ +static void +vortex_routeLRT(vortex_t * vortex, int en, unsigned char ch, + unsigned char source0, unsigned char source1, + unsigned char dest) +{ + ADBRamLink route[2]; + + route[0] = ((source0 & ADB_MASK) << ADB_SHIFT) | (dest & ADB_MASK); + route[1] = ((source1 & ADB_MASK) << ADB_SHIFT) | (dest & ADB_MASK); + + if (dest < 0x10) + route[1] = (route[1] & ~ADB_MASK) | (dest + 0x20); /* fifo A */ + + if (en) { + vortex_adb_addroutes(vortex, ch, route, 2); + if ((source0 < (OFFSET_SRCOUT + NR_SRC)) + && (source0 >= OFFSET_SRCOUT)) { + vortex_src_addWTD(vortex, + (source0 - OFFSET_SRCOUT), ch); + vortex_src_addWTD(vortex, + (source1 - OFFSET_SRCOUT), ch); + } else if ((source0 < (OFFSET_MIXOUT + NR_MIXOUT)) + && (source0 >= OFFSET_MIXOUT)) { + vortex_mixer_addWTD(vortex, + (source0 - OFFSET_MIXOUT), ch); + vortex_mixer_addWTD(vortex, + (source1 - OFFSET_MIXOUT), ch); + } + } else { + vortex_adb_delroutes(vortex, ch, route[0], route[1]); + if ((source0 < (OFFSET_SRCOUT + NR_SRC)) + && (source0 >= OFFSET_SRCOUT)) { + vortex_src_delWTD(vortex, + (source0 - OFFSET_SRCOUT), ch); + vortex_src_delWTD(vortex, + (source1 - OFFSET_SRCOUT), ch); + } else if ((source0 < (OFFSET_MIXOUT + NR_MIXOUT)) + && (source0 >= OFFSET_MIXOUT)) { + vortex_mixer_delWTD(vortex, + (source0 - OFFSET_MIXOUT), ch); + vortex_mixer_delWTD(vortex, + (source1 - OFFSET_MIXOUT), ch); + } + } +} + +/* Connection stuff */ + +// Connect adbdma to src('s). +static void +vortex_connection_adbdma_src(vortex_t * vortex, int en, unsigned char ch, + unsigned char adbdma, unsigned char src) +{ + vortex_route(vortex, en, ch, ADB_DMA(adbdma), ADB_SRCIN(src)); +} + +// Connect SRC to mixin. +static void +vortex_connection_src_mixin(vortex_t * vortex, int en, + unsigned char channel, unsigned char src, + unsigned char mixin) +{ + vortex_route(vortex, en, channel, ADB_SRCOUT(src), ADB_MIXIN(mixin)); +} + +// Connect mixin with mix output. +static void +vortex_connection_mixin_mix(vortex_t * vortex, int en, unsigned char mixin, + unsigned char mix, int a) +{ + if (en) { + vortex_mix_enableinput(vortex, mix, mixin); + vortex_mix_setinputvolumebyte(vortex, mix, mixin, MIX_DEFIGAIN); // added to original code. + } else + vortex_mix_disableinput(vortex, mix, mixin, a); +} + +// Connect absolut address to mixin. +static void +vortex_connection_adb_mixin(vortex_t * vortex, int en, + unsigned char channel, unsigned char source, + unsigned char mixin) +{ + vortex_route(vortex, en, channel, source, ADB_MIXIN(mixin)); +} + +static void +vortex_connection_src_adbdma(vortex_t * vortex, int en, unsigned char ch, + unsigned char src, unsigned char adbdma) +{ + vortex_route(vortex, en, ch, ADB_SRCOUT(src), ADB_DMA(adbdma)); +} + +static void +vortex_connection_src_src_adbdma(vortex_t * vortex, int en, + unsigned char ch, unsigned char src0, + unsigned char src1, unsigned char adbdma) +{ + + vortex_routeLRT(vortex, en, ch, ADB_SRCOUT(src0), ADB_SRCOUT(src1), + ADB_DMA(adbdma)); +} + +// mix to absolut address. +static void +vortex_connection_mix_adb(vortex_t * vortex, int en, unsigned char ch, + unsigned char mix, unsigned char dest) +{ + vortex_route(vortex, en, ch, ADB_MIXOUT(mix), dest); + vortex_mix_setvolumebyte(vortex, mix, MIX_DEFOGAIN); // added to original code. +} + +// mixer to src. +static void +vortex_connection_mix_src(vortex_t * vortex, int en, unsigned char ch, + unsigned char mix, unsigned char src) +{ + vortex_route(vortex, en, ch, ADB_MIXOUT(mix), ADB_SRCIN(src)); + vortex_mix_setvolumebyte(vortex, mix, MIX_DEFOGAIN); // added to original code. +} + +#if 0 +static void +vortex_connection_adbdma_src_src(vortex_t * vortex, int en, + unsigned char channel, + unsigned char adbdma, unsigned char src0, + unsigned char src1) +{ + vortex_routes(vortex, en, channel, ADB_DMA(adbdma), + ADB_SRCIN(src0), ADB_SRCIN(src1)); +} + +// Connect two mix to AdbDma. +static void +vortex_connection_mix_mix_adbdma(vortex_t * vortex, int en, + unsigned char ch, unsigned char mix0, + unsigned char mix1, unsigned char adbdma) +{ + + ADBRamLink routes[2]; + routes[0] = + (((mix0 + + OFFSET_MIXOUT) & ADB_MASK) << ADB_SHIFT) | (adbdma & ADB_MASK); + routes[1] = + (((mix1 + OFFSET_MIXOUT) & ADB_MASK) << ADB_SHIFT) | ((adbdma + + 0x20) & + ADB_MASK); + if (en) { + vortex_adb_addroutes(vortex, ch, routes, 0x2); + vortex_mixer_addWTD(vortex, mix0, ch); + vortex_mixer_addWTD(vortex, mix1, ch); + } else { + vortex_adb_delroutes(vortex, ch, routes[0], routes[1]); + vortex_mixer_delWTD(vortex, mix0, ch); + vortex_mixer_delWTD(vortex, mix1, ch); + } +} +#endif + +/* CODEC connect. */ + +static void +vortex_connect_codecplay(vortex_t * vortex, int en, unsigned char mixers[]) +{ +#ifdef CHIP_AU8820 + vortex_connection_mix_adb(vortex, en, 0x11, mixers[0], ADB_CODECOUT(0)); + vortex_connection_mix_adb(vortex, en, 0x11, mixers[1], ADB_CODECOUT(1)); +#else +#if 1 + // Connect front channels through EQ. + vortex_connection_mix_adb(vortex, en, 0x11, mixers[0], ADB_EQIN(0)); + vortex_connection_mix_adb(vortex, en, 0x11, mixers[1], ADB_EQIN(1)); + /* Lower volume, since EQ has some gain. */ + vortex_mix_setvolumebyte(vortex, mixers[0], 0); + vortex_mix_setvolumebyte(vortex, mixers[1], 0); + vortex_route(vortex, en, 0x11, ADB_EQOUT(0), ADB_CODECOUT(0)); + vortex_route(vortex, en, 0x11, ADB_EQOUT(1), ADB_CODECOUT(1)); + + /* Check if reg 0x28 has SDAC bit set. */ + if (VORTEX_IS_QUAD(vortex)) { + /* Rear channel. Note: ADB_CODECOUT(0+2) and (1+2) is for AC97 modem */ + vortex_connection_mix_adb(vortex, en, 0x11, mixers[2], + ADB_CODECOUT(0 + 4)); + vortex_connection_mix_adb(vortex, en, 0x11, mixers[3], + ADB_CODECOUT(1 + 4)); + //printk("SDAC detected "); + } +#else + // Use plain direct output to codec. + vortex_connection_mix_adb(vortex, en, 0x11, mixers[0], ADB_CODECOUT(0)); + vortex_connection_mix_adb(vortex, en, 0x11, mixers[1], ADB_CODECOUT(1)); +#endif +#endif +} + +static void +vortex_connect_codecrec(vortex_t * vortex, int en, unsigned char mixin0, + unsigned char mixin1) +{ + /* + Enable: 0x1, 0x1 + Channel: 0x11, 0x11 + ADB Source address: 0x48, 0x49 + Destination Asp4Topology_0x9c,0x98 + */ + vortex_connection_adb_mixin(vortex, en, 0x11, ADB_CODECIN(0), mixin0); + vortex_connection_adb_mixin(vortex, en, 0x11, ADB_CODECIN(1), mixin1); +} + +// Higher level ADB audio path (de)allocator. + +/* Resource manager */ +static int resnum[VORTEX_RESOURCE_LAST] = + { NR_ADB, NR_SRC, NR_MIXIN, NR_MIXOUT, NR_A3D }; +/* + Checkout/Checkin resource of given type. + resmap: resource map to be used. If NULL means that we want to allocate + a DMA resource (root of all other resources of a dma channel). + out: Mean checkout if != 0. Else mean Checkin resource. + restype: Indicates type of resource to be checked in or out. +*/ +static char +vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out, int restype) +{ + int i, qty = resnum[restype], resinuse = 0; + + if (out) { + /* Gather used resources by all streams. */ + for (i = 0; i < NR_ADB; i++) { + resinuse |= vortex->dma_adb[i].resources[restype]; + } + resinuse |= vortex->fixed_res[restype]; + /* Find and take free resource. */ + for (i = 0; i < qty; i++) { + if ((resinuse & (1 << i)) == 0) { + if (resmap != NULL) + resmap[restype] |= (1 << i); + else + vortex->dma_adb[i].resources[restype] |= (1 << i); + //printk("vortex: ResManager: type %d out %d\n", restype, i); + return i; + } + } + } else { + if (resmap == NULL) + return -EINVAL; + /* Checkin first resource of type restype. */ + for (i = 0; i < qty; i++) { + if (resmap[restype] & (1 << i)) { + resmap[restype] &= ~(1 << i); + //printk("vortex: ResManager: type %d in %d\n",restype, i); + return i; + } + } + } + printk("vortex: FATAL: ResManager: resource type %d exhausted.\n", restype); + return -ENOMEM; +} + +/* Default Connections */ +static int +vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, int dir, int type); + +static void vortex_connect_default(vortex_t * vortex, int en) +{ + // Connect AC97 codec. + vortex->mixplayb[0] = vortex_adb_checkinout(vortex, vortex->fixed_res, en, + VORTEX_RESOURCE_MIXOUT); + vortex->mixplayb[1] = vortex_adb_checkinout(vortex, vortex->fixed_res, en, + VORTEX_RESOURCE_MIXOUT); + if (VORTEX_IS_QUAD(vortex)) { + vortex->mixplayb[2] = vortex_adb_checkinout(vortex, vortex->fixed_res, en, + VORTEX_RESOURCE_MIXOUT); + vortex->mixplayb[3] = vortex_adb_checkinout(vortex, vortex->fixed_res, en, + VORTEX_RESOURCE_MIXOUT); + } + vortex_connect_codecplay(vortex, en, vortex->mixplayb); + + vortex->mixcapt[0] = vortex_adb_checkinout(vortex, vortex->fixed_res, en, + VORTEX_RESOURCE_MIXIN); + vortex->mixcapt[1] = vortex_adb_checkinout(vortex, vortex->fixed_res, en, + VORTEX_RESOURCE_MIXIN); + vortex_connect_codecrec(vortex, en, MIX_CAPT(0), MIX_CAPT(1)); + + // Connect SPDIF +#ifndef CHIP_AU8820 + vortex->mixspdif[0] = vortex_adb_checkinout(vortex, vortex->fixed_res, en, + VORTEX_RESOURCE_MIXOUT); + vortex->mixspdif[1] = vortex_adb_checkinout(vortex, vortex->fixed_res, en, + VORTEX_RESOURCE_MIXOUT); + vortex_connection_mix_adb(vortex, en, 0x14, vortex->mixspdif[0], + ADB_SPDIFOUT(0)); + vortex_connection_mix_adb(vortex, en, 0x14, vortex->mixspdif[1], + ADB_SPDIFOUT(1)); +#endif + // Connect WT +#ifndef CHIP_AU8810 + vortex_wt_connect(vortex, en); +#endif + // A3D (crosstalk canceler and A3D slices). AU8810 disabled for now. +#ifndef CHIP_AU8820 + vortex_Vort3D_connect(vortex, en); +#endif + // Connect I2S + + // Connect DSP interface for SQ3500 turbo (not here i think...) + + // Connect AC98 modem codec + +} + +/* + Allocate nr_ch pcm audio routes if dma < 0. If dma >= 0, existing routes + are deallocated. + dma: DMA engine routes to be deallocated when dma >= 0. + nr_ch: Number of channels to be de/allocated. + dir: direction of stream. Uses same values as substream->stream. + type: Type of audio output/source (codec, spdif, i2s, dsp, etc) + Return: Return allocated DMA or same DMA passed as "dma" when dma >= 0. +*/ +static int +vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, int dir, int type) +{ + stream_t *stream; + int i, en; + + if ((nr_ch == 3) + || ((dir == SNDRV_PCM_STREAM_CAPTURE) && (nr_ch > 2))) + return -EBUSY; + + if (dma >= 0) { + en = 0; + vortex_adb_checkinout(vortex, + vortex->dma_adb[dma].resources, en, + VORTEX_RESOURCE_DMA); + } else { + en = 1; + if ((dma = + vortex_adb_checkinout(vortex, NULL, en, + VORTEX_RESOURCE_DMA)) < 0) + return -EBUSY; + } + + stream = &vortex->dma_adb[dma]; + stream->dma = dma; + stream->dir = dir; + stream->type = type; + + /* PLAYBACK ROUTES. */ + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + int src[4], mix[4], ch_top; +#ifndef CHIP_AU8820 + int a3d = 0; +#endif + /* Get SRC and MIXER hardware resources. */ + if (stream->type != VORTEX_PCM_SPDIF) { + for (i = 0; i < nr_ch; i++) { + if ((src[i] = vortex_adb_checkinout(vortex, + stream->resources, en, + VORTEX_RESOURCE_SRC)) < 0) { + memset(stream->resources, 0, + sizeof(unsigned char) * + VORTEX_RESOURCE_LAST); + return -EBUSY; + } + if (stream->type != VORTEX_PCM_A3D) { + if ((mix[i] = vortex_adb_checkinout(vortex, + stream->resources, + en, + VORTEX_RESOURCE_MIXIN)) < 0) { + memset(stream->resources, + 0, + sizeof(unsigned char) * VORTEX_RESOURCE_LAST); + return -EBUSY; + } + } + } + } +#ifndef CHIP_AU8820 + if (stream->type == VORTEX_PCM_A3D) { + if ((a3d = + vortex_adb_checkinout(vortex, + stream->resources, en, + VORTEX_RESOURCE_A3D)) < 0) { + memset(stream->resources, 0, + sizeof(unsigned char) * + VORTEX_RESOURCE_LAST); + printk("vortex: out of A3D sources. Sorry\n"); + return -EBUSY; + } + /* (De)Initialize A3D hardware source. */ + vortex_Vort3D_InitializeSource(&(vortex->a3d[a3d]), en); + } + /* Make SPDIF out exclusive to "spdif" device when in use. */ + if ((stream->type == VORTEX_PCM_SPDIF) && (en)) { + vortex_route(vortex, 0, 0x14, + ADB_MIXOUT(vortex->mixspdif[0]), + ADB_SPDIFOUT(0)); + vortex_route(vortex, 0, 0x14, + ADB_MIXOUT(vortex->mixspdif[1]), + ADB_SPDIFOUT(1)); + } +#endif + /* Make playback routes. */ + for (i = 0; i < nr_ch; i++) { + if (stream->type == VORTEX_PCM_ADB) { + vortex_connection_adbdma_src(vortex, en, + src[nr_ch - 1], + dma, + src[i]); + vortex_connection_src_mixin(vortex, en, + 0x11, src[i], + mix[i]); + vortex_connection_mixin_mix(vortex, en, + mix[i], + MIX_PLAYB(i), 0); +#ifndef CHIP_AU8820 + vortex_connection_mixin_mix(vortex, en, + mix[i], + MIX_SPDIF(i % 2), 0); + vortex_mix_setinputvolumebyte(vortex, + MIX_SPDIF(i % 2), + mix[i], + MIX_DEFIGAIN); +#endif + } +#ifndef CHIP_AU8820 + if (stream->type == VORTEX_PCM_A3D) { + vortex_connection_adbdma_src(vortex, en, + src[nr_ch - 1], + dma, + src[i]); + vortex_route(vortex, en, 0x11, ADB_SRCOUT(src[i]), ADB_A3DIN(a3d)); + /* XTalk test. */ + //vortex_route(vortex, en, 0x11, dma, ADB_XTALKIN(i?9:4)); + //vortex_route(vortex, en, 0x11, ADB_SRCOUT(src[i]), ADB_XTALKIN(i?4:9)); + } + if (stream->type == VORTEX_PCM_SPDIF) + vortex_route(vortex, en, 0x14, + ADB_DMA(stream->dma), + ADB_SPDIFOUT(i)); +#endif + } + if (stream->type != VORTEX_PCM_SPDIF && stream->type != VORTEX_PCM_A3D) { + ch_top = (VORTEX_IS_QUAD(vortex) ? 4 : 2); + for (i = nr_ch; i < ch_top; i++) { + vortex_connection_mixin_mix(vortex, en, + mix[i % nr_ch], + MIX_PLAYB(i), 0); +#ifndef CHIP_AU8820 + vortex_connection_mixin_mix(vortex, en, + mix[i % nr_ch], + MIX_SPDIF(i % 2), + 0); + vortex_mix_setinputvolumebyte(vortex, + MIX_SPDIF(i % 2), + mix[i % nr_ch], + MIX_DEFIGAIN); +#endif + } + } +#ifndef CHIP_AU8820 + else { + if (nr_ch == 1 && stream->type == VORTEX_PCM_SPDIF) + vortex_route(vortex, en, 0x14, + ADB_DMA(stream->dma), + ADB_SPDIFOUT(1)); + } + /* Reconnect SPDIF out when "spdif" device is down. */ + if ((stream->type == VORTEX_PCM_SPDIF) && (!en)) { + vortex_route(vortex, 1, 0x14, + ADB_MIXOUT(vortex->mixspdif[0]), + ADB_SPDIFOUT(0)); + vortex_route(vortex, 1, 0x14, + ADB_MIXOUT(vortex->mixspdif[1]), + ADB_SPDIFOUT(1)); + } +#endif + /* CAPTURE ROUTES. */ + } else { + int src[2], mix[2]; + + /* Get SRC and MIXER hardware resources. */ + for (i = 0; i < nr_ch; i++) { + if ((mix[i] = + vortex_adb_checkinout(vortex, + stream->resources, en, + VORTEX_RESOURCE_MIXOUT)) + < 0) { + memset(stream->resources, 0, + sizeof(unsigned char) * + VORTEX_RESOURCE_LAST); + return -EBUSY; + } + if ((src[i] = + vortex_adb_checkinout(vortex, + stream->resources, en, + VORTEX_RESOURCE_SRC)) < 0) { + memset(stream->resources, 0, + sizeof(unsigned char) * + VORTEX_RESOURCE_LAST); + return -EBUSY; + } + } + + /* Make capture routes. */ + vortex_connection_mixin_mix(vortex, en, MIX_CAPT(0), mix[0], 0); + vortex_connection_mix_src(vortex, en, 0x11, mix[0], src[0]); + if (nr_ch == 1) { + vortex_connection_mixin_mix(vortex, en, + MIX_CAPT(1), mix[0], 0); + vortex_connection_src_adbdma(vortex, en, + src[0], + src[0], dma); + } else { + vortex_connection_mixin_mix(vortex, en, + MIX_CAPT(1), mix[1], 0); + vortex_connection_mix_src(vortex, en, 0x11, mix[1], + src[1]); + vortex_connection_src_src_adbdma(vortex, en, + src[1], src[0], + src[1], dma); + } + } + vortex->dma_adb[dma].nr_ch = nr_ch; + +#if 0 + /* AC97 Codec channel setup. FIXME: this has no effect on some cards !! */ + if (nr_ch < 4) { + /* Copy stereo to rear channel (surround) */ + snd_ac97_write_cache(vortex->codec, + AC97_SIGMATEL_DAC2INVERT, + snd_ac97_read(vortex->codec, + AC97_SIGMATEL_DAC2INVERT) + | 4); + } else { + /* Allow separate front and rear channels. */ + snd_ac97_write_cache(vortex->codec, + AC97_SIGMATEL_DAC2INVERT, + snd_ac97_read(vortex->codec, + AC97_SIGMATEL_DAC2INVERT) + & ~((u32) + 4)); + } +#endif + return dma; +} + +/* + Set the SampleRate of the SRC's attached to the given DMA engine. + */ +static void +vortex_adb_setsrc(vortex_t * vortex, int adbdma, unsigned int rate, int dir) +{ + stream_t *stream = &(vortex->dma_adb[adbdma]); + int i, cvrt; + + /* dir=1:play ; dir=0:rec */ + if (dir) + cvrt = SRC_RATIO(rate, 48000); + else + cvrt = SRC_RATIO(48000, rate); + + /* Setup SRC's */ + for (i = 0; i < NR_SRC; i++) { + if (stream->resources[VORTEX_RESOURCE_SRC] & (1 << i)) + vortex_src_setupchannel(vortex, i, cvrt, 0, 0, i, dir, 1, cvrt, dir); + } +} + +// Timer and ISR functions. + +static void vortex_settimer(vortex_t * vortex, int period) +{ + //set the timer period to <period> 48000ths of a second. + hwwrite(vortex->mmio, VORTEX_IRQ_STAT, period); +} + +#if 0 +static void vortex_enable_timer_int(vortex_t * card) +{ + hwwrite(card->mmio, VORTEX_IRQ_CTRL, + hwread(card->mmio, VORTEX_IRQ_CTRL) | IRQ_TIMER | 0x60); +} + +static void vortex_disable_timer_int(vortex_t * card) +{ + hwwrite(card->mmio, VORTEX_IRQ_CTRL, + hwread(card->mmio, VORTEX_IRQ_CTRL) & ~IRQ_TIMER); +} + +#endif +static void vortex_enable_int(vortex_t * card) +{ + // CAsp4ISR__EnableVortexInt_void_ + hwwrite(card->mmio, VORTEX_CTRL, + hwread(card->mmio, VORTEX_CTRL) | CTRL_IRQ_ENABLE); + hwwrite(card->mmio, VORTEX_IRQ_CTRL, + (hwread(card->mmio, VORTEX_IRQ_CTRL) & 0xffffefc0) | 0x24); +} + +static void vortex_disable_int(vortex_t * card) +{ + hwwrite(card->mmio, VORTEX_CTRL, + hwread(card->mmio, VORTEX_CTRL) & ~CTRL_IRQ_ENABLE); +} + +static irqreturn_t vortex_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + vortex_t *vortex = dev_id; + int i, handled; + u32 source; + + //check if the interrupt is ours. + if (!(hwread(vortex->mmio, VORTEX_STAT) & 0x1)) + return IRQ_NONE; + + // This is the Interrrupt Enable flag we set before (consistency check). + if (!(hwread(vortex->mmio, VORTEX_CTRL) & CTRL_IRQ_ENABLE)) + return IRQ_NONE; + + source = hwread(vortex->mmio, VORTEX_IRQ_SOURCE); + // Reset IRQ flags. + hwwrite(vortex->mmio, VORTEX_IRQ_SOURCE, source); + hwread(vortex->mmio, VORTEX_IRQ_SOURCE); + // Is at least one IRQ flag set? + if (source == 0) { + printk(KERN_ERR "vortex: missing irq source\n"); + return IRQ_NONE; + } + + handled = 0; + // Attend every interrupt source. + if (unlikely(source & IRQ_ERR_MASK)) { + if (source & IRQ_FATAL) { + printk(KERN_ERR "vortex: IRQ fatal error\n"); + } + if (source & IRQ_PARITY) { + printk(KERN_ERR "vortex: IRQ parity error\n"); + } + if (source & IRQ_REG) { + printk(KERN_ERR "vortex: IRQ reg error\n"); + } + if (source & IRQ_FIFO) { + printk(KERN_ERR "vortex: IRQ fifo error\n"); + } + if (source & IRQ_DMA) { + printk(KERN_ERR "vortex: IRQ dma error\n"); + } + handled = 1; + } + if (source & IRQ_PCMOUT) { + /* ALSA period acknowledge. */ + spin_lock(&vortex->lock); + for (i = 0; i < NR_ADB; i++) { + if (vortex->dma_adb[i].fifo_status == FIFO_START) { + if (vortex_adbdma_bufshift(vortex, i)) ; + spin_unlock(&vortex->lock); + snd_pcm_period_elapsed(vortex->dma_adb[i]. + substream); + spin_lock(&vortex->lock); + } + } +#ifndef CHIP_AU8810 + for (i = 0; i < NR_WT; i++) { + if (vortex->dma_wt[i].fifo_status == FIFO_START) { + if (vortex_wtdma_bufshift(vortex, i)) ; + spin_unlock(&vortex->lock); + snd_pcm_period_elapsed(vortex->dma_wt[i]. + substream); + spin_lock(&vortex->lock); + } + } +#endif + spin_unlock(&vortex->lock); + handled = 1; + } + //Acknowledge the Timer interrupt + if (source & IRQ_TIMER) { + hwread(vortex->mmio, VORTEX_IRQ_STAT); + handled = 1; + } + if (source & IRQ_MIDI) { + snd_mpu401_uart_interrupt(vortex->irq, + vortex->rmidi->private_data, regs); + handled = 1; + } + + if (!handled) { + printk(KERN_ERR "vortex: unknown irq source %x\n", source); + } + return IRQ_RETVAL(handled); +} + +/* Codec */ + +#define POLL_COUNT 1000 +static void vortex_codec_init(vortex_t * vortex) +{ + int i; + + for (i = 0; i < 32; i++) { + /* the windows driver writes -i, so we write -i */ + hwwrite(vortex->mmio, (VORTEX_CODEC_CHN + (i << 2)), -i); + msleep(2); + } + if (0) { + hwwrite(vortex->mmio, VORTEX_CODEC_CTRL, 0x8068); + msleep(1); + hwwrite(vortex->mmio, VORTEX_CODEC_CTRL, 0x00e8); + msleep(1); + } else { + hwwrite(vortex->mmio, VORTEX_CODEC_CTRL, 0x00a8); + msleep(2); + hwwrite(vortex->mmio, VORTEX_CODEC_CTRL, 0x80a8); + msleep(2); + hwwrite(vortex->mmio, VORTEX_CODEC_CTRL, 0x80e8); + msleep(2); + hwwrite(vortex->mmio, VORTEX_CODEC_CTRL, 0x80a8); + msleep(2); + hwwrite(vortex->mmio, VORTEX_CODEC_CTRL, 0x00a8); + msleep(2); + hwwrite(vortex->mmio, VORTEX_CODEC_CTRL, 0x00e8); + } + for (i = 0; i < 32; i++) { + hwwrite(vortex->mmio, (VORTEX_CODEC_CHN + (i << 2)), -i); + msleep(5); + } + hwwrite(vortex->mmio, VORTEX_CODEC_CTRL, 0xe8); + msleep(1); + /* Enable codec channels 0 and 1. */ + hwwrite(vortex->mmio, VORTEX_CODEC_EN, + hwread(vortex->mmio, VORTEX_CODEC_EN) | EN_CODEC); +} + +static void +vortex_codec_write(ac97_t * codec, unsigned short addr, unsigned short data) +{ + + vortex_t *card = (vortex_t *) codec->private_data; + unsigned int lifeboat = 0; + + /* wait for transactions to clear */ + while (!(hwread(card->mmio, VORTEX_CODEC_CTRL) & 0x100)) { + udelay(100); + if (lifeboat++ > POLL_COUNT) { + printk(KERN_ERR "vortex: ac97 codec stuck busy\n"); + return; + } + } + /* write register */ + hwwrite(card->mmio, VORTEX_CODEC_IO, + ((addr << VORTEX_CODEC_ADDSHIFT) & VORTEX_CODEC_ADDMASK) | + ((data << VORTEX_CODEC_DATSHIFT) & VORTEX_CODEC_DATMASK) | + VORTEX_CODEC_WRITE); + + /* Flush Caches. */ + hwread(card->mmio, VORTEX_CODEC_IO); +} + +static unsigned short vortex_codec_read(ac97_t * codec, unsigned short addr) +{ + + vortex_t *card = (vortex_t *) codec->private_data; + u32 read_addr, data; + unsigned lifeboat = 0; + + /* wait for transactions to clear */ + while (!(hwread(card->mmio, VORTEX_CODEC_CTRL) & 0x100)) { + udelay(100); + if (lifeboat++ > POLL_COUNT) { + printk(KERN_ERR "vortex: ac97 codec stuck busy\n"); + return 0xffff; + } + } + /* set up read address */ + read_addr = ((addr << VORTEX_CODEC_ADDSHIFT) & VORTEX_CODEC_ADDMASK); + hwwrite(card->mmio, VORTEX_CODEC_IO, read_addr); + + /* wait for address */ + do { + udelay(100); + data = hwread(card->mmio, VORTEX_CODEC_IO); + if (lifeboat++ > POLL_COUNT) { + printk(KERN_ERR "vortex: ac97 address never arrived\n"); + return 0xffff; + } + } while ((data & VORTEX_CODEC_ADDMASK) != + (addr << VORTEX_CODEC_ADDSHIFT)); + + /* return data. */ + return (u16) (data & VORTEX_CODEC_DATMASK); +} + +/* SPDIF support */ + +static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode) +{ + int i, this_38 = 0, this_04 = 0, this_08 = 0, this_0c = 0; + + /* CAsp4Spdif::InitializeSpdifHardware(void) */ + hwwrite(vortex->mmio, VORTEX_SPDIF_FLAGS, + hwread(vortex->mmio, VORTEX_SPDIF_FLAGS) & 0xfff3fffd); + //for (i=0x291D4; i<0x29200; i+=4) + for (i = 0; i < 11; i++) + hwwrite(vortex->mmio, VORTEX_SPDIF_CFG1 + (i << 2), 0); + //hwwrite(vortex->mmio, 0x29190, hwread(vortex->mmio, 0x29190) | 0xc0000); + hwwrite(vortex->mmio, VORTEX_CODEC_EN, + hwread(vortex->mmio, VORTEX_CODEC_EN) | EN_SPDIF); + + /* CAsp4Spdif::ProgramSRCInHardware(enum SPDIF_SR,enum SPDIFMODE) */ + if (this_04 && this_08) { + int edi; + + i = (((0x5DC00000 / spdif_sr) + 1) >> 1); + if (i > 0x800) { + if (i < 0x1ffff) + edi = (i >> 1); + else + edi = 0x1ffff; + } else { + i = edi = 0x800; + } + /* this_04 and this_08 are the CASp4Src's (samplerate converters) */ + vortex_src_setupchannel(vortex, this_04, edi, 0, 1, + this_0c, 1, 0, edi, 1); + vortex_src_setupchannel(vortex, this_08, edi, 0, 1, + this_0c, 1, 0, edi, 1); + } + + i = spdif_sr; + spdif_sr |= 0x8c; + switch (i) { + case 32000: + this_38 &= 0xFFFFFFFE; + this_38 &= 0xFFFFFFFD; + this_38 &= 0xF3FFFFFF; + this_38 |= 0x03000000; /* set 32khz samplerate */ + this_38 &= 0xFFFFFF3F; + spdif_sr &= 0xFFFFFFFD; + spdif_sr |= 1; + break; + case 44100: + this_38 &= 0xFFFFFFFE; + this_38 &= 0xFFFFFFFD; + this_38 &= 0xF0FFFFFF; + this_38 |= 0x03000000; + this_38 &= 0xFFFFFF3F; + spdif_sr &= 0xFFFFFFFC; + break; + case 48000: + if (spdif_mode == 1) { + this_38 &= 0xFFFFFFFE; + this_38 &= 0xFFFFFFFD; + this_38 &= 0xF2FFFFFF; + this_38 |= 0x02000000; /* set 48khz samplerate */ + this_38 &= 0xFFFFFF3F; + } else { + /* J. Gordon Wolfe: I think this stuff is for AC3 */ + this_38 |= 0x00000003; + this_38 &= 0xFFFFFFBF; + this_38 |= 0x80; + } + spdif_sr |= 2; + spdif_sr &= 0xFFFFFFFE; + break; + + } + /* looks like the next 2 lines transfer a 16-bit value into 2 8-bit + registers. seems to be for the standard IEC/SPDIF initialization + stuff */ + hwwrite(vortex->mmio, VORTEX_SPDIF_CFG0, this_38 & 0xffff); + hwwrite(vortex->mmio, VORTEX_SPDIF_CFG1, this_38 >> 0x10); + hwwrite(vortex->mmio, VORTEX_SPDIF_SMPRATE, spdif_sr); +} + +/* Initialization */ + +static int vortex_core_init(vortex_t * vortex) +{ + + printk(KERN_INFO "Vortex: init.... "); + /* Hardware Init. */ + hwwrite(vortex->mmio, VORTEX_CTRL, 0xffffffff); + msleep(5); + hwwrite(vortex->mmio, VORTEX_CTRL, + hwread(vortex->mmio, VORTEX_CTRL) & 0xffdfffff); + msleep(5); + /* Reset IRQ flags */ + hwwrite(vortex->mmio, VORTEX_IRQ_SOURCE, 0xffffffff); + hwread(vortex->mmio, VORTEX_IRQ_STAT); + + vortex_codec_init(vortex); + +#ifdef CHIP_AU8830 + hwwrite(vortex->mmio, VORTEX_CTRL, + hwread(vortex->mmio, VORTEX_CTRL) | 0x1000000); +#endif + + /* Init audio engine. */ + vortex_adbdma_init(vortex); + hwwrite(vortex->mmio, VORTEX_ENGINE_CTRL, 0x0); //, 0xc83c7e58, 0xc5f93e58 + vortex_adb_init(vortex); + /* Init processing blocks. */ + vortex_fifo_init(vortex); + vortex_mixer_init(vortex); + vortex_srcblock_init(vortex); +#ifndef CHIP_AU8820 + vortex_eq_init(vortex); + vortex_spdif_init(vortex, 48000, 1); + vortex_Vort3D(vortex, 1); +#endif +#ifndef CHIP_AU8810 + vortex_wt_init(vortex); +#endif + // Moved to au88x0.c + //vortex_connect_default(vortex, 1); + + vortex_settimer(vortex, 0x90); + // Enable Interrupts. + // vortex_enable_int() must be first !! + // hwwrite(vortex->mmio, VORTEX_IRQ_CTRL, 0); + // vortex_enable_int(vortex); + //vortex_enable_timer_int(vortex); + //vortex_disable_timer_int(vortex); + + printk(KERN_INFO "done.\n"); + spin_lock_init(&vortex->lock); + + return 0; +} + +static int vortex_core_shutdown(vortex_t * vortex) +{ + + printk(KERN_INFO "Vortex: shutdown..."); +#ifndef CHIP_AU8820 + vortex_eq_free(vortex); + vortex_Vort3D(vortex, 0); +#endif + //vortex_disable_timer_int(vortex); + vortex_disable_int(vortex); + vortex_connect_default(vortex, 0); + /* Reset all DMA fifos. */ + vortex_fifo_init(vortex); + /* Erase all audio routes. */ + vortex_adb_init(vortex); + + /* Disable MPU401 */ + //hwwrite(vortex->mmio, VORTEX_IRQ_CTRL, hwread(vortex->mmio, VORTEX_IRQ_CTRL) & ~IRQ_MIDI); + //hwwrite(vortex->mmio, VORTEX_CTRL, hwread(vortex->mmio, VORTEX_CTRL) & ~CTRL_MIDI_EN); + + hwwrite(vortex->mmio, VORTEX_IRQ_CTRL, 0); + hwwrite(vortex->mmio, VORTEX_CTRL, 0); + msleep(5); + hwwrite(vortex->mmio, VORTEX_IRQ_SOURCE, 0xffff); + + printk(KERN_INFO "done.\n"); + return 0; +} + +/* Alsa support. */ + +static int vortex_alsafmt_aspfmt(int alsafmt) +{ + int fmt; + + switch (alsafmt) { + case SNDRV_PCM_FORMAT_U8: + fmt = 0x1; + break; + case SNDRV_PCM_FORMAT_MU_LAW: + fmt = 0x2; + break; + case SNDRV_PCM_FORMAT_A_LAW: + fmt = 0x3; + break; + case SNDRV_PCM_FORMAT_SPECIAL: + fmt = 0x4; /* guess. */ + break; + case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE: + fmt = 0x5; /* guess. */ + break; + case SNDRV_PCM_FORMAT_S16_LE: + fmt = 0x8; + break; + case SNDRV_PCM_FORMAT_S16_BE: + fmt = 0x9; /* check this... */ + break; + default: + fmt = 0x8; + printk(KERN_ERR "vortex: format unsupported %d\n", alsafmt); + break; + } + return fmt; +} + +/* Some not yet useful translations. */ +#if 0 +typedef enum { + ASPFMTLINEAR16 = 0, /* 0x8 */ + ASPFMTLINEAR8, /* 0x1 */ + ASPFMTULAW, /* 0x2 */ + ASPFMTALAW, /* 0x3 */ + ASPFMTSPORT, /* ? */ + ASPFMTSPDIF, /* ? */ +} ASPENCODING; + +static int +vortex_translateformat(vortex_t * vortex, char bits, char nch, int encod) +{ + int a, this_194; + + if ((bits != 8) || (bits != 16)) + return -1; + + switch (encod) { + case 0: + if (bits == 0x10) + a = 8; // 16 bit + break; + case 1: + if (bits == 8) + a = 1; // 8 bit + break; + case 2: + a = 2; // U_LAW + break; + case 3: + a = 3; // A_LAW + break; + } + switch (nch) { + case 1: + this_194 = 0; + break; + case 2: + this_194 = 1; + break; + case 4: + this_194 = 1; + break; + case 6: + this_194 = 1; + break; + } + return (a); +} + +static void vortex_cdmacore_setformat(vortex_t * vortex, int bits, int nch) +{ + short int d, this_148; + + d = ((bits >> 3) * nch); + this_148 = 0xbb80 / d; +} +#endif |