--- /dev/null
+/*
+ * 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.
+ */
+
+#ifndef __SOUND_AU88X0_H
+#define __SOUND_AU88X0_H
+
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/rawmidi.h>
+#include <sound/mpu401.h>
+#include <sound/hwdep.h>
+#include <sound/ac97_codec.h>
+#include <sound/tlv.h>
+
+#ifndef CHIP_AU8820
+#include "au88x0_eq.h"
+#include "au88x0_a3d.h"
+#endif
+#ifndef CHIP_AU8810
+#include "au88x0_wt.h"
+#endif
+
+#define hwread(x,y) readl((x)+(y))
+#define hwwrite(x,y,z) writel((z),(x)+(y))
+
+/* Vortex MPU401 defines. */
+#define MIDI_CLOCK_DIV 0x61
+/* Standart MPU401 defines. */
+#define MPU401_RESET 0xff
+#define MPU401_ENTER_UART 0x3f
+#define MPU401_ACK 0xfe
+
+// Get src register value to convert from x to y.
+#define SRC_RATIO(x,y) ((((x<<15)/y) + 1)/2)
+
+/* FIFO software state constants. */
+#define FIFO_STOP 0
+#define FIFO_START 1
+#define FIFO_PAUSE 2
+
+/* IRQ flags */
+#define IRQ_ERR_MASK 0x00ff
+#define IRQ_FATAL 0x0001
+#define IRQ_PARITY 0x0002
+#define IRQ_REG 0x0004
+#define IRQ_FIFO 0x0008
+#define IRQ_DMA 0x0010
+#define IRQ_PCMOUT 0x0020 /* PCM OUT page crossing */
+#define IRQ_TIMER 0x1000
+#define IRQ_MIDI 0x2000
+#define IRQ_MODEM 0x4000
+
+/* ADB Resource */
+#define VORTEX_RESOURCE_DMA 0x00000000
+#define VORTEX_RESOURCE_SRC 0x00000001
+#define VORTEX_RESOURCE_MIXIN 0x00000002
+#define VORTEX_RESOURCE_MIXOUT 0x00000003
+#define VORTEX_RESOURCE_A3D 0x00000004
+#define VORTEX_RESOURCE_LAST 0x00000005
+
+/* codec io: VORTEX_CODEC_IO bits */
+#define VORTEX_CODEC_ID_SHIFT 24
+#define VORTEX_CODEC_WRITE 0x00800000
+#define VORTEX_CODEC_ADDSHIFT 16
+#define VORTEX_CODEC_ADDMASK 0x7f0000
+#define VORTEX_CODEC_DATSHIFT 0
+#define VORTEX_CODEC_DATMASK 0xffff
+
+/* Check for SDAC bit in "Extended audio ID" AC97 register */
+//#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ? 0 : ((x)->codec->ext_id&0x80))
+#define VORTEX_IS_QUAD(x) ((x)->isquad)
+/* Check if chip has bug. */
+#define IS_BAD_CHIP(x) (\
+ (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \
+ (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE))
+
+
+/* PCM devices */
+#define VORTEX_PCM_ADB 0
+#define VORTEX_PCM_SPDIF 1
+#define VORTEX_PCM_A3D 2
+#define VORTEX_PCM_WT 3
+#define VORTEX_PCM_I2S 4
+#define VORTEX_PCM_LAST 5
+
+#define MIX_CAPT(x) (vortex->mixcapt[x])
+#define MIX_PLAYB(x) (vortex->mixplayb[x])
+#define MIX_SPDIF(x) (vortex->mixspdif[x])
+
+#define NR_WTPB 0x20 /* WT channels per each bank. */
+#define NR_PCM 0x10
+
+struct pcm_vol {
+ struct snd_kcontrol *kctl;
+ int active;
+ int dma;
+ int mixin[4];
+ int vol[4];
+};
+
+/* Structs */
+typedef struct {
+ //int this_08; /* Still unknown */
+ int fifo_enabled; /* this_24 */
+ int fifo_status; /* this_1c */
+ u32 dma_ctrl; /* this_78 (ADB), this_7c (WT) */
+ int dma_unknown; /* this_74 (ADB), this_78 (WT). WDM: +8 */
+ int cfg0;
+ int cfg1;
+
+ int nr_ch; /* Nr of PCM channels in use */
+ int type; /* Output type (ac97, a3d, spdif, i2s, dsp) */
+ int dma; /* Hardware DMA index. */
+ int dir; /* Stream Direction. */
+ u32 resources[5];
+
+ /* Virtual page extender stuff */
+ int nr_periods;
+ int period_bytes;
+ int period_real;
+ int period_virt;
+
+ struct snd_pcm_substream *substream;
+} stream_t;
+
+typedef struct snd_vortex vortex_t;
+struct snd_vortex {
+ /* ALSA structs. */
+ struct snd_card *card;
+ struct snd_pcm *pcm[VORTEX_PCM_LAST];
+
+ struct snd_rawmidi *rmidi; /* Legacy Midi interface. */
+ struct snd_ac97 *codec;
+
+ /* Stream structs. */
+ stream_t dma_adb[NR_ADB];
+ int spdif_sr;
+#ifndef CHIP_AU8810
+ stream_t dma_wt[NR_WT];
+ wt_voice_t wt_voice[NR_WT]; /* WT register cache. */
+ char mixwt[(NR_WT / NR_WTPB) * 6]; /* WT mixin objects */
+#endif
+
+ /* Global resources */
+ s8 mixcapt[2];
+ s8 mixplayb[4];
+#ifndef CHIP_AU8820
+ s8 mixspdif[2];
+ s8 mixa3d[2]; /* mixers which collect all a3d streams. */
+ s8 mixxtlk[2]; /* crosstalk canceler mixer inputs. */
+#endif
+ u32 fixed_res[5];
+
+#ifndef CHIP_AU8820
+ /* Hardware equalizer structs */
+ eqlzr_t eq;
+ /* A3D structs */
+ a3dsrc_t a3d[NR_A3D];
+ /* Xtalk canceler */
+ int xt_mode; /* 1: speakers, 0:headphones. */
+#endif
+ struct pcm_vol pcm_vol[NR_PCM];
+
+ int isquad; /* cache of extended ID codec flag. */
+
+ /* Gameport stuff. */
+ struct gameport *gameport;
+
+ /* PCI hardware resources */
+ unsigned long io;
+ void __iomem *mmio;
+ unsigned int irq;
+ spinlock_t lock;
+
+ /* PCI device */
+ struct pci_dev *pci_dev;
+ u16 vendor;
+ u16 device;
+ u8 rev;
+};
+
+/* Functions. */
+
+/* SRC */
+static void vortex_adb_setsrc(vortex_t * vortex, int adbdma,
+ unsigned int cvrt, int dir);
+
+/* DMA Engines. */
+static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
+ int size, int count);
+static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie,
+ int dir, int fmt, int d,
+ u32 offset);
+static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb);
+#ifndef CHIP_AU8810
+static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma,
+ int size, int count);
+static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */
+ u32 offset);
+static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb);
+#endif
+
+static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma);
+//static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma);
+static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma);
+static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma);
+static inline int vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma);
+static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma);
+
+#ifndef CHIP_AU8810
+static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma);
+static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma);
+static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma);
+static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma);
+static inline int vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
+#endif
+
+/* global stuff. */
+static void vortex_codec_init(vortex_t * vortex);
+static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr,
+ unsigned short data);
+static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr);
+static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode);
+
+static int vortex_core_init(vortex_t * card);
+static int vortex_core_shutdown(vortex_t * card);
+static void vortex_enable_int(vortex_t * card);
+static irqreturn_t vortex_interrupt(int irq, void *dev_id);
+static int vortex_alsafmt_aspfmt(int alsafmt, vortex_t *v);
+
+/* Connection stuff. */
+static void vortex_connect_default(vortex_t * vortex, int en);
+static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch,
+ int dir, int type, int subdev);
+static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out,
+ int restype);
+#ifndef CHIP_AU8810
+static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch);
+static void vortex_wt_connect(vortex_t * vortex, int en);
+static void vortex_wt_init(vortex_t * vortex);
+#endif
+
+static void vortex_route(vortex_t * vortex, int en, unsigned char channel,
+ unsigned char source, unsigned char dest);
+#if 0
+static void vortex_routes(vortex_t * vortex, int en, unsigned char channel,
+ unsigned char source, unsigned char dest0,
+ unsigned char dest1);
+#endif
+static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
+ unsigned char mixin,
+ unsigned char mix, int a);
+static void vortex_mix_setinputvolumebyte(vortex_t * vortex,
+ unsigned char mix, int mixin,
+ unsigned char vol);
+static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix,
+ unsigned char vol);
+
+/* A3D functions. */
+#ifndef CHIP_AU8820
+static void vortex_Vort3D_enable(vortex_t * v);
+static void vortex_Vort3D_disable(vortex_t * v);
+static void vortex_Vort3D_connect(vortex_t * vortex, int en);
+static void vortex_Vort3D_InitializeSource(a3dsrc_t *a, int en, vortex_t *v);
+#endif
+
+/* Driver stuff. */
+static int vortex_gameport_register(vortex_t * card);
+static void vortex_gameport_unregister(vortex_t * card);
+#ifndef CHIP_AU8820
+static int vortex_eq_init(vortex_t * vortex);
+static int vortex_eq_free(vortex_t * vortex);
+#endif
+/* ALSA stuff. */
+static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
+static int snd_vortex_mixer(vortex_t * vortex);
+static int snd_vortex_midi(vortex_t * vortex);
+#endif
Code Review / kvmfornfv.git / blobdiff