2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU Library General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 #ifndef __SOUND_AU88X0_H
18 #define __SOUND_AU88X0_H
20 #include <sound/driver.h>
21 #include <linux/init.h>
22 #include <linux/pci.h>
24 #include <sound/core.h>
25 #include <sound/pcm.h>
26 #include <sound/rawmidi.h>
27 #include <sound/mpu401.h>
28 #include <sound/hwdep.h>
29 #include <sound/ac97_codec.h>
32 #include "au88x0_eq.h"
33 #include "au88x0_a3d.h"
36 #include "au88x0_wt.h"
39 #define VORTEX_DMA_MASK 0xffffffff
41 #define hwread(x,y) readl((x)+((y)>>2))
42 #define hwwrite(x,y,z) writel((z),(x)+((y)>>2))
44 /* Vortex MPU401 defines. */
45 #define MIDI_CLOCK_DIV 0x61
46 /* Standart MPU401 defines. */
47 #define MPU401_RESET 0xff
48 #define MPU401_ENTER_UART 0x3f
49 #define MPU401_ACK 0xfe
51 // Get src register value to convert from x to y.
52 #define SRC_RATIO(x,y) ((((x<<15)/y) + 1)/2)
54 /* FIFO software state constants. */
60 #define IRQ_ERR_MASK 0x00ff
61 #define IRQ_FATAL 0x0001
62 #define IRQ_PARITY 0x0002
63 #define IRQ_REG 0x0004
64 #define IRQ_FIFO 0x0008
65 #define IRQ_DMA 0x0010
66 #define IRQ_PCMOUT 0x0020 /* PCM OUT page crossing */
67 #define IRQ_TIMER 0x1000
68 #define IRQ_MIDI 0x2000
69 #define IRQ_MODEM 0x4000
72 #define VORTEX_RESOURCE_DMA 0x00000000
73 #define VORTEX_RESOURCE_SRC 0x00000001
74 #define VORTEX_RESOURCE_MIXIN 0x00000002
75 #define VORTEX_RESOURCE_MIXOUT 0x00000003
76 #define VORTEX_RESOURCE_A3D 0x00000004
77 #define VORTEX_RESOURCE_LAST 0x00000005
79 /* Check for SDAC bit in "Extended audio ID" AC97 register */
80 #define VORTEX_IS_QUAD(x) ((x->codec == NULL) ? 0 : (x->codec->ext_id|0x80))
81 /* Check if chip has bug. */
82 #define IS_BAD_CHIP(x) (\
83 (x->rev < 3 && x->device == PCI_DEVICE_ID_AUREAL_VORTEX) || \
84 (x->rev < 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX2) || \
85 (x->rev < 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE))
89 #define VORTEX_PCM_ADB 0
90 #define VORTEX_PCM_SPDIF 1
91 #define VORTEX_PCM_A3D 2
92 #define VORTEX_PCM_WT 3
93 #define VORTEX_PCM_I2S 4
94 #define VORTEX_PCM_LAST 5
96 #define MIX_CAPT(x) (vortex->mixcapt[x])
97 #define MIX_PLAYB(x) (vortex->mixplayb[x])
98 #define MIX_SPDIF(x) (vortex->mixspdif[x])
100 #define NR_WTPB 0x20 /* WT channels per eahc bank. */
104 //int this_08; /* Still unknown */
105 int fifo_enabled; /* this_24 */
106 int fifo_status; /* this_1c */
107 int dma_ctrl; /* this_78 (ADB), this_7c (WT) */
108 int dma_unknown; /* this_74 (ADB), this_78 (WT). WDM: +8 */
112 int nr_ch; /* Nr of PCM channels in use */
113 int type; /* Output type (ac97, a3d, spdif, i2s, dsp) */
114 int dma; /* Hardware DMA index. */
115 int dir; /* Stream Direction. */
118 /* Virtual page extender stuff */
121 snd_pcm_sgbuf_t *sgbuf; /* DMA Scatter Gather struct */
125 snd_pcm_substream_t *substream;
128 typedef struct snd_vortex vortex_t;
132 snd_pcm_t *pcm[VORTEX_PCM_LAST];
134 snd_rawmidi_t *rmidi; /* Legacy Midi interface. */
137 /* Stream structs. */
138 stream_t dma_adb[NR_ADB];
141 stream_t dma_wt[NR_WT];
142 wt_voice_t wt_voice[NR_WT]; /* WT register cache. */
143 char mixwt[(NR_WT / NR_WTPB) * 6]; /* WT mixin objects */
146 /* Global resources */
151 char mixa3d[2]; /* mixers which collect all a3d streams. */
152 char mixxtlk[2]; /* crosstalk canceler mixer inputs. */
157 /* Hardware equalizer structs */
160 a3dsrc_t a3d[NR_A3D];
162 int xt_mode; /* 1: speakers, 0:headphones. */
165 /* Gameport stuff. */
166 struct gameport *gameport;
168 /* PCI hardware resources */
175 struct pci_dev *pci_dev;
181 #define chip_t vortex_t
186 static void vortex_adb_setsrc(vortex_t * vortex, int adbdma,
187 unsigned int cvrt, int dir);
190 static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
191 snd_pcm_sgbuf_t * sgbuf, int size,
193 static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie,
194 int dir, int fmt, int d,
195 unsigned long offset);
196 static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb);
198 static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma,
199 snd_pcm_sgbuf_t * sgbuf, int size,
201 static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */
202 unsigned long offset);
203 static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb);
206 static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma);
207 //static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma);
208 static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma);
209 static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma);
210 static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma);
213 static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma);
214 static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma);
215 static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma);
216 static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma);
217 static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
221 static void vortex_codec_init(vortex_t * vortex);
222 static void vortex_codec_write(ac97_t * codec, unsigned short addr,
223 unsigned short data);
224 static unsigned short vortex_codec_read(ac97_t * codec, unsigned short addr);
225 static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode);
227 static int vortex_core_init(vortex_t * card);
228 static int vortex_core_shutdown(vortex_t * card);
229 static void vortex_enable_int(vortex_t * card);
230 static irqreturn_t vortex_interrupt(int irq, void *dev_id,
231 struct pt_regs *regs);
232 static int vortex_alsafmt_aspfmt(int alsafmt);
234 /* Connection stuff. */
235 static void vortex_connect_default(vortex_t * vortex, int en);
236 static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch,
238 static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out,
241 static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch);
242 static void vortex_wt_connect(vortex_t * vortex, int en);
243 static void vortex_wt_init(vortex_t * vortex);
246 static void vortex_route(vortex_t * vortex, int en, unsigned char channel,
247 unsigned char source, unsigned char dest);
249 static void vortex_routes(vortex_t * vortex, int en, unsigned char channel,
250 unsigned char source, unsigned char dest0,
251 unsigned char dest1);
253 static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
255 unsigned char mix, int a);
256 static void vortex_mix_setinputvolumebyte(vortex_t * vortex,
257 unsigned char mix, int mixin,
259 static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix,
264 static void vortex_Vort3D(vortex_t * v, int en);
265 static void vortex_Vort3D_connect(vortex_t * vortex, int en);
266 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en);
270 static int __devinit vortex_gameport_register(vortex_t * card);
271 static int __devexit vortex_gameport_unregister(vortex_t * card);
273 static int __devinit vortex_eq_init(vortex_t * vortex);
274 static int __devexit vortex_eq_free(vortex_t * vortex);
277 static int __devinit snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
278 static int __devinit snd_vortex_mixer(vortex_t * vortex);
279 static int __devinit snd_vortex_midi(vortex_t * vortex);