Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 / . / sound / pci / au88x0 / au88x0.h
blob: ee1ede1979f63b74b1a4e4cb8bcea773936c90e9 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame^]1/*
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.
6 *
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.
11 *
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.
15 */
16
17#ifndef __SOUND_AU88X0_H
18#define __SOUND_AU88X0_H
19
20#ifdef __KERNEL__
21#include <sound/driver.h>
22#include <linux/init.h>
23#include <linux/pci.h>
24#include <asm/io.h>
25#include <sound/core.h>
26#include <sound/pcm.h>
27#include <sound/rawmidi.h>
28#include <sound/mpu401.h>
29#include <sound/hwdep.h>
30#include <sound/ac97_codec.h>
31
32#endif
33
34#ifndef CHIP_AU8820
35#include "au88x0_eq.h"
36#include "au88x0_a3d.h"
37#endif
38#ifndef CHIP_AU8810
39#include "au88x0_wt.h"
40#endif
41
42#define VORTEX_DMA_MASK 0xffffffff
43
44#define hwread(x,y) readl((x)+((y)>>2))
45#define hwwrite(x,y,z) writel((z),(x)+((y)>>2))
46
47/* Vortex MPU401 defines. */
48#define MIDI_CLOCK_DIV 0x61
49/* Standart MPU401 defines. */
50#define MPU401_RESET 0xff
51#define MPU401_ENTER_UART 0x3f
52#define MPU401_ACK 0xfe
53
54// Get src register value to convert from x to y.
55#define SRC_RATIO(x,y) ((((x<<15)/y) + 1)/2)
56
57/* FIFO software state constants. */
58#define FIFO_STOP 0
59#define FIFO_START 1
60#define FIFO_PAUSE 2
61
62/* IRQ flags */
63#define IRQ_ERR_MASK 0x00ff
64#define IRQ_FATAL 0x0001
65#define IRQ_PARITY 0x0002
66#define IRQ_REG 0x0004
67#define IRQ_FIFO 0x0008
68#define IRQ_DMA 0x0010
69#define IRQ_PCMOUT 0x0020 /* PCM OUT page crossing */
70#define IRQ_TIMER 0x1000
71#define IRQ_MIDI 0x2000
72#define IRQ_MODEM 0x4000
73
74/* ADB Resource */
75#define VORTEX_RESOURCE_DMA 0x00000000
76#define VORTEX_RESOURCE_SRC 0x00000001
77#define VORTEX_RESOURCE_MIXIN 0x00000002
78#define VORTEX_RESOURCE_MIXOUT 0x00000003
79#define VORTEX_RESOURCE_A3D 0x00000004
80#define VORTEX_RESOURCE_LAST 0x00000005
81
82/* Check for SDAC bit in "Extended audio ID" AC97 register */
83//#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ? 0 : ((x)->codec->ext_id&0x80))
84#define VORTEX_IS_QUAD(x) ((x)->isquad)
85/* Check if chip has bug. */
86#define IS_BAD_CHIP(x) (\
87 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \
88 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE))
89
90
91/* PCM devices */
92#define VORTEX_PCM_ADB 0
93#define VORTEX_PCM_SPDIF 1
94#define VORTEX_PCM_A3D 2
95#define VORTEX_PCM_WT 3
96#define VORTEX_PCM_I2S 4
97#define VORTEX_PCM_LAST 5
98
99#define MIX_CAPT(x) (vortex->mixcapt[x])
100#define MIX_PLAYB(x) (vortex->mixplayb[x])
101#define MIX_SPDIF(x) (vortex->mixspdif[x])
102
103#define NR_WTPB 0x20 /* WT channels per eahc bank. */
104
105/* Structs */
106typedef struct {
107 //int this_08; /* Still unknown */
108 int fifo_enabled; /* this_24 */
109 int fifo_status; /* this_1c */
110 int dma_ctrl; /* this_78 (ADB), this_7c (WT) */
111 int dma_unknown; /* this_74 (ADB), this_78 (WT). WDM: +8 */
112 int cfg0;
113 int cfg1;
114
115 int nr_ch; /* Nr of PCM channels in use */
116 int type; /* Output type (ac97, a3d, spdif, i2s, dsp) */
117 int dma; /* Hardware DMA index. */
118 int dir; /* Stream Direction. */
119 u32 resources[5];
120
121 /* Virtual page extender stuff */
122 int nr_periods;
123 int period_bytes;
124 snd_pcm_sgbuf_t *sgbuf; /* DMA Scatter Gather struct */
125 int period_real;
126 int period_virt;
127
128 snd_pcm_substream_t *substream;
129} stream_t;
130
131typedef struct snd_vortex vortex_t;
132struct snd_vortex {
133 /* ALSA structs. */
134 snd_card_t *card;
135 snd_pcm_t *pcm[VORTEX_PCM_LAST];
136
137 snd_rawmidi_t *rmidi; /* Legacy Midi interface. */
138 ac97_t *codec;
139
140 /* Stream structs. */
141 stream_t dma_adb[NR_ADB];
142 int spdif_sr;
143#ifndef CHIP_AU8810
144 stream_t dma_wt[NR_WT];
145 wt_voice_t wt_voice[NR_WT]; /* WT register cache. */
146 char mixwt[(NR_WT / NR_WTPB) * 6]; /* WT mixin objects */
147#endif
148
149 /* Global resources */
150 s8 mixcapt[2];
151 s8 mixplayb[4];
152#ifndef CHIP_AU8820
153 s8 mixspdif[2];
154 s8 mixa3d[2]; /* mixers which collect all a3d streams. */
155 s8 mixxtlk[2]; /* crosstalk canceler mixer inputs. */
156#endif
157 u32 fixed_res[5];
158
159#ifndef CHIP_AU8820
160 /* Hardware equalizer structs */
161 eqlzr_t eq;
162 /* A3D structs */
163 a3dsrc_t a3d[NR_A3D];
164 /* Xtalk canceler */
165 int xt_mode; /* 1: speakers, 0:headphones. */
166#endif
167
168 int isquad; /* cache of extended ID codec flag. */
169
170 /* Gameport stuff. */
171 struct gameport *gameport;
172
173 /* PCI hardware resources */
174 unsigned long io;
175 unsigned long __iomem *mmio;
176 unsigned int irq;
177 spinlock_t lock;
178
179 /* PCI device */
180 struct pci_dev *pci_dev;
181 u16 vendor;
182 u16 device;
183 u8 rev;
184};
185
186/* Functions. */
187
188/* SRC */
189static void vortex_adb_setsrc(vortex_t * vortex, int adbdma,
190 unsigned int cvrt, int dir);
191
192/* DMA Engines. */
193static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
194 snd_pcm_sgbuf_t * sgbuf, int size,
195 int count);
196static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie,
197 int dir, int fmt, int d,
198 unsigned long offset);
199static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb);
200#ifndef CHIP_AU8810
201static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma,
202 snd_pcm_sgbuf_t * sgbuf, int size,
203 int count);
204static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */
205 unsigned long offset);
206static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb);
207#endif
208
209static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma);
210//static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma);
211static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma);
212static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma);
213static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma);
214static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma);
215
216#ifndef CHIP_AU8810
217static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma);
218static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma);
219static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma);
220static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma);
221static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
222#endif
223
224/* global stuff. */
225static void vortex_codec_init(vortex_t * vortex);
226static void vortex_codec_write(ac97_t * codec, unsigned short addr,
227 unsigned short data);
228static unsigned short vortex_codec_read(ac97_t * codec, unsigned short addr);
229static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode);
230
231static int vortex_core_init(vortex_t * card);
232static int vortex_core_shutdown(vortex_t * card);
233static void vortex_enable_int(vortex_t * card);
234static irqreturn_t vortex_interrupt(int irq, void *dev_id,
235 struct pt_regs *regs);
236static int vortex_alsafmt_aspfmt(int alsafmt);
237
238/* Connection stuff. */
239static void vortex_connect_default(vortex_t * vortex, int en);
240static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch,
241 int dir, int type);
242static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out,
243 int restype);
244#ifndef CHIP_AU8810
245static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch);
246static void vortex_wt_connect(vortex_t * vortex, int en);
247static void vortex_wt_init(vortex_t * vortex);
248#endif
249
250static void vortex_route(vortex_t * vortex, int en, unsigned char channel,
251 unsigned char source, unsigned char dest);
252#if 0
253static void vortex_routes(vortex_t * vortex, int en, unsigned char channel,
254 unsigned char source, unsigned char dest0,
255 unsigned char dest1);
256#endif
257static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
258 unsigned char mixin,
259 unsigned char mix, int a);
260static void vortex_mix_setinputvolumebyte(vortex_t * vortex,
261 unsigned char mix, int mixin,
262 unsigned char vol);
263static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix,
264 unsigned char vol);
265
266/* A3D functions. */
267#ifndef CHIP_AU8820
268static void vortex_Vort3D(vortex_t * v, int en);
269static void vortex_Vort3D_connect(vortex_t * vortex, int en);
270static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en);
271#endif
272
273/* Driver stuff. */
274static int __devinit vortex_gameport_register(vortex_t * card);
275static void vortex_gameport_unregister(vortex_t * card);
276#ifndef CHIP_AU8820
277static int __devinit vortex_eq_init(vortex_t * vortex);
278static int __devexit vortex_eq_free(vortex_t * vortex);
279#endif
280/* ALSA stuff. */
281static int __devinit snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
282static int __devinit snd_vortex_mixer(vortex_t * vortex);
283static int __devinit snd_vortex_midi(vortex_t * vortex);
284#endif