cregit-Linux how code gets into the kernel

Release 4.7 sound/pci/au88x0/au88x0_synth.c

Directory: sound/pci/au88x0
/*
 *  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.
 */

/*
 * Someday its supposed to make use of the WT DMA engine
 * for a Wavetable synthesizer.
 */

#include "au88x0.h"
#include "au88x0_wt.h"

static void vortex_fifo_setwtvalid(vortex_t * vortex, int fifo, int en);
static void vortex_connection_adb_mixin(vortex_t * vortex, int en,
					unsigned char channel,
					unsigned char source,
					unsigned char mixin);
static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
					unsigned char mixin,
					unsigned char mix, int a);
static void vortex_fifo_wtinitialize(vortex_t * vortex, int fifo, int j);
static int vortex_wt_SetReg(vortex_t * vortex, unsigned char reg, int wt,
			    u32 val);

/* WT */

/* Put 2 WT channels together for one stereo interlaced channel. */

static void vortex_wt_setstereo(vortex_t * vortex, u32 wt, u32 stereo) { int temp; //temp = hwread(vortex->mmio, 0x80 + ((wt >> 0x5)<< 0xf) + (((wt & 0x1f) >> 1) << 2)); temp = hwread(vortex->mmio, WT_STEREO(wt)); temp = (temp & 0xfe) | (stereo & 1); //hwwrite(vortex->mmio, 0x80 + ((wt >> 0x5)<< 0xf) + (((wt & 0x1f) >> 1) << 2), temp); hwwrite(vortex->mmio, WT_STEREO(wt), temp); }

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jaroslav kyselajaroslav kysela63100.00%1100.00%
Total63100.00%1100.00%

/* Join to mixdown route. */
static void vortex_wt_setdsout(vortex_t * vortex, u32 wt, int en) { int temp; /* There is one DSREG register for each bank (32 voices each). */ temp = hwread(vortex->mmio, WT_DSREG((wt >= 0x20) ? 1 : 0)); if (en) temp |= (1 << (wt & 0x1f)); else temp &= ~(1 << (wt & 0x1f)); hwwrite(vortex->mmio, WT_DSREG((wt >= 0x20) ? 1 : 0), temp); }

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jaroslav kyselajaroslav kysela9398.94%150.00%
nickolai zeldovichnickolai zeldovich11.06%150.00%
Total94100.00%2100.00%

/* Setup WT route. */
static int vortex_wt_allocroute(vortex_t * vortex, int wt, int nr_ch) { wt_voice_t *voice = &(vortex->wt_voice[wt]); int temp; //FIXME: WT audio routing. if (nr_ch) { vortex_fifo_wtinitialize(vortex, wt, 1); vortex_fifo_setwtvalid(vortex, wt, 1); vortex_wt_setstereo(vortex, wt, nr_ch - 1); } else vortex_fifo_setwtvalid(vortex, wt, 0); /* Set mixdown mode. */ vortex_wt_setdsout(vortex, wt, 1); /* Set other parameter registers. */ hwwrite(vortex->mmio, WT_SRAMP(0), 0x880000); //hwwrite(vortex->mmio, WT_GMODE(0), 0xffffffff); #ifdef CHIP_AU8830 hwwrite(vortex->mmio, WT_SRAMP(1), 0x880000); //hwwrite(vortex->mmio, WT_GMODE(1), 0xffffffff); #endif hwwrite(vortex->mmio, WT_PARM(wt, 0), 0); hwwrite(vortex->mmio, WT_PARM(wt, 1), 0); hwwrite(vortex->mmio, WT_PARM(wt, 2), 0); temp = hwread(vortex->mmio, WT_PARM(wt, 3)); dev_dbg(vortex->card->dev, "WT PARM3: %x\n", temp); //hwwrite(vortex->mmio, WT_PARM(wt, 3), temp); hwwrite(vortex->mmio, WT_DELAY(wt, 0), 0); hwwrite(vortex->mmio, WT_DELAY(wt, 1), 0); hwwrite(vortex->mmio, WT_DELAY(wt, 2), 0); hwwrite(vortex->mmio, WT_DELAY(wt, 3), 0); dev_dbg(vortex->card->dev, "WT GMODE: %x\n", hwread(vortex->mmio, WT_GMODE(wt))); hwwrite(vortex->mmio, WT_PARM(wt, 2), 0xffffffff); hwwrite(vortex->mmio, WT_PARM(wt, 3), 0xcff1c810); voice->parm0 = voice->parm1 = 0xcfb23e2f; hwwrite(vortex->mmio, WT_PARM(wt, 0), voice->parm0); hwwrite(vortex->mmio, WT_PARM(wt, 1), voice->parm1); dev_dbg(vortex->card->dev, "WT GMODE 2 : %x\n", hwread(vortex->mmio, WT_GMODE(wt))); return 0; }

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jaroslav kyselajaroslav kysela37093.91%266.67%
sudip mukherjeesudip mukherjee246.09%133.33%
Total394100.00%3100.00%


static void vortex_wt_connect(vortex_t * vortex, int en) { int i, ii, mix; #define NR_WTROUTES 6 #ifdef CHIP_AU8830 #define NR_WTBLOCKS 2 #else #define NR_WTBLOCKS 1 #endif for (i = 0; i < NR_WTBLOCKS; i++) { for (ii = 0; ii < NR_WTROUTES; ii++) { mix = vortex_adb_checkinout(vortex, vortex->fixed_res, en, VORTEX_RESOURCE_MIXIN); vortex->mixwt[(i * NR_WTROUTES) + ii] = mix; vortex_route(vortex, en, 0x11, ADB_WTOUT(i, ii + 0x20), ADB_MIXIN(mix)); vortex_connection_mixin_mix(vortex, en, mix, vortex->mixplayb[ii % 2], 0); if (VORTEX_IS_QUAD(vortex)) vortex_connection_mixin_mix(vortex, en, mix, vortex->mixplayb[2 + (ii % 2)], 0); } } for (i = 0; i < NR_WT; i++) { hwwrite(vortex->mmio, WT_RUN(i), 1); } }

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jaroslav kyselajaroslav kysela202100.00%1100.00%
Total202100.00%1100.00%

/* Read WT Register */ #if 0 static int vortex_wt_GetReg(vortex_t * vortex, char reg, int wt) { //int eax, esi; if (reg == 4) { return hwread(vortex->mmio, WT_PARM(wt, 3)); } if (reg == 7) { return hwread(vortex->mmio, WT_GMODE(wt)); } return 0; } /* WT hardware abstraction layer generic register interface. */ static int vortex_wt_SetReg2(vortex_t * vortex, unsigned char reg, int wt, u16 val) { /* int eax, edx; if (wt >= NR_WT) // 0x40 -> NR_WT return 0; if ((reg - 0x20) > 0) { if ((reg - 0x21) != 0) return 0; eax = ((((b & 0xff) << 0xb) + (edx & 0xff)) << 4) + 0x208; // param 2 } else { eax = ((((b & 0xff) << 0xb) + (edx & 0xff)) << 4) + 0x20a; // param 3 } hwwrite(vortex->mmio, eax, c); */ return 1; } /*public: static void __thiscall CWTHal::SetReg(unsigned char,int,unsigned long) */ #endif
static int vortex_wt_SetReg(vortex_t * vortex, unsigned char reg, int wt, u32 val) { int ecx; if ((reg == 5) || ((reg >= 7) && (reg <= 10)) || (reg == 0xc)) { if (wt >= (NR_WT / NR_WT_PB)) { dev_warn(vortex->card->dev, "WT SetReg: bank out of range. reg=0x%x, wt=%d\n", reg, wt); return 0; } } else { if (wt >= NR_WT) { dev_err(vortex->card->dev, "WT SetReg: voice out of range\n"); return 0; } } if (reg > 0xc) return 0; switch (reg) { /* Voice specific parameters */ case 0: /* running */ /* pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n", WT_RUN(wt), (int)val); */ hwwrite(vortex->mmio, WT_RUN(wt), val); return 0xc; case 1: /* param 0 */ /* pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n", WT_PARM(wt,0), (int)val); */ hwwrite(vortex->mmio, WT_PARM(wt, 0), val); return 0xc; case 2: /* param 1 */ /* pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n", WT_PARM(wt,1), (int)val); */ hwwrite(vortex->mmio, WT_PARM(wt, 1), val); return 0xc; case 3: /* param 2 */ /* pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n", WT_PARM(wt,2), (int)val); */ hwwrite(vortex->mmio, WT_PARM(wt, 2), val); return 0xc; case 4: /* param 3 */ /* pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n", WT_PARM(wt,3), (int)val); */ hwwrite(vortex->mmio, WT_PARM(wt, 3), val); return 0xc; case 6: /* mute */ /* pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n", WT_MUTE(wt), (int)val); */ hwwrite(vortex->mmio, WT_MUTE(wt), val); return 0xc; case 0xb: /* delay */ /* pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n", WT_DELAY(wt,0), (int)val); */ hwwrite(vortex->mmio, WT_DELAY(wt, 3), val); hwwrite(vortex->mmio, WT_DELAY(wt, 2), val); hwwrite(vortex->mmio, WT_DELAY(wt, 1), val); hwwrite(vortex->mmio, WT_DELAY(wt, 0), val); return 0xc; /* Global WT block parameters */ case 5: /* sramp */ ecx = WT_SRAMP(wt); break; case 8: /* aramp */ ecx = WT_ARAMP(wt); break; case 9: /* mramp */ ecx = WT_MRAMP(wt); break; case 0xa: /* ctrl */ ecx = WT_CTRL(wt); break; case 0xc: /* ds_reg */ ecx = WT_DSREG(wt); break; default: return 0; } /* pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n", ecx, (int)val); */ hwwrite(vortex->mmio, ecx, val); return 1; }

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jaroslav kyselajaroslav kysela39193.99%125.00%
sudip mukherjeesudip mukherjee245.77%250.00%
takashi iwaitakashi iwai10.24%125.00%
Total416100.00%4100.00%


static void vortex_wt_init(vortex_t * vortex) { u32 var4, var8, varc, var10 = 0, edi; var10 &= 0xFFFFFFE3; var10 |= 0x22; var10 &= 0xFFFFFEBF; var10 |= 0x80; var10 |= 0x200; var10 &= 0xfffffffe; var10 &= 0xfffffbff; var10 |= 0x1800; // var10 = 0x1AA2 var4 = 0x10000000; varc = 0x00830000; var8 = 0x00830000; /* Init Bank registers. */ for (edi = 0; edi < (NR_WT / NR_WT_PB); edi++) { vortex_wt_SetReg(vortex, 0xc, edi, 0); /* ds_reg */ vortex_wt_SetReg(vortex, 0xa, edi, var10); /* ctrl */ vortex_wt_SetReg(vortex, 0x9, edi, var4); /* mramp */ vortex_wt_SetReg(vortex, 0x8, edi, varc); /* aramp */ vortex_wt_SetReg(vortex, 0x5, edi, var8); /* sramp */ } /* Init Voice registers. */ for (edi = 0; edi < NR_WT; edi++) { vortex_wt_SetReg(vortex, 0x4, edi, 0); /* param 3 0x20c */ vortex_wt_SetReg(vortex, 0x3, edi, 0); /* param 2 0x208 */ vortex_wt_SetReg(vortex, 0x2, edi, 0); /* param 1 0x204 */ vortex_wt_SetReg(vortex, 0x1, edi, 0); /* param 0 0x200 */ vortex_wt_SetReg(vortex, 0xb, edi, 0); /* delay 0x400 - 0x40c */ } var10 |= 1; for (edi = 0; edi < (NR_WT / NR_WT_PB); edi++) vortex_wt_SetReg(vortex, 0xa, edi, var10); /* ctrl */ }

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jaroslav kyselajaroslav kysela25699.61%150.00%
takashi iwaitakashi iwai10.39%150.00%
Total257100.00%2100.00%

/* Extract of CAdbTopology::SetVolume(struct _ASPVOLUME *) */ #if 0 static void vortex_wt_SetVolume(vortex_t * vortex, int wt, int vol[]) { wt_voice_t *voice = &(vortex->wt_voice[wt]); int ecx = vol[1], eax = vol[0]; /* This is pure guess */ voice->parm0 &= 0xff00ffff; voice->parm0 |= (vol[0] & 0xff) << 0x10; voice->parm1 &= 0xff00ffff; voice->parm1 |= (vol[1] & 0xff) << 0x10; /* This is real */ hwwrite(vortex, WT_PARM(wt, 0), voice->parm0); hwwrite(vortex, WT_PARM(wt, 1), voice->parm0); if (voice->this_1D0 & 4) { eax >>= 8; ecx = eax; if (ecx < 0x80) ecx = 0x7f; voice->parm3 &= 0xFFFFC07F; voice->parm3 |= (ecx & 0x7f) << 7; voice->parm3 &= 0xFFFFFF80; voice->parm3 |= (eax & 0x7f); } else { voice->parm3 &= 0xFFE03FFF; voice->parm3 |= (eax & 0xFE00) << 5; } hwwrite(vortex, WT_PARM(wt, 3), voice->parm3); } /* Extract of CAdbTopology::SetFrequency(unsigned long arg_0) */ static void vortex_wt_SetFrequency(vortex_t * vortex, int wt, unsigned int sr) { wt_voice_t *voice = &(vortex->wt_voice[wt]); u32 eax, edx; //FIXME: 64 bit operation. eax = ((sr << 0xf) * 0x57619F1) & 0xffffffff; edx = (((sr << 0xf) * 0x57619F1)) >> 0x20; edx >>= 0xa; edx <<= 1; if (edx) { if (edx & 0x0FFF80000) eax = 0x7fff; else { edx <<= 0xd; eax = 7; while ((edx & 0x80000000) == 0) { edx <<= 1; eax--; if (eax == 0) break; } if (eax) edx <<= 1; eax <<= 0xc; edx >>= 0x14; eax |= edx; } } else eax = 0; voice->parm0 &= 0xffff0001; voice->parm0 |= (eax & 0x7fff) << 1; voice->parm1 = voice->parm0 | 1; // Wt: this_1D4 //AuWt::WriteReg((ulong)(this_1DC<<4)+0x200, (ulong)this_1E4); //AuWt::WriteReg((ulong)(this_1DC<<4)+0x204, (ulong)this_1E8); hwwrite(vortex->mmio, WT_PARM(wt, 0), voice->parm0); hwwrite(vortex->mmio, WT_PARM(wt, 1), voice->parm1); } #endif /* End of File */

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jaroslav kyselajaroslav kysela151296.43%225.00%
sudip mukherjeesudip mukherjee483.06%225.00%
takashi iwaitakashi iwai50.32%112.50%
adrian bunkadrian bunk10.06%112.50%
alexander stohralexander stohr10.06%112.50%
nickolai zeldovichnickolai zeldovich10.06%112.50%
Total1568100.00%8100.00%
Directory: sound/pci/au88x0
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