blob: 24703d75b65a5ca9da6fafebb12f9510efe54675 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * ALSA modem driver for Intel ICH (i8x0) chipsets
3 *
4 * Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz>
5 *
Sasha Khapyorskyf01cc522005-10-10 11:45:31 +02006 * This is modified (by Sasha Khapyorsky <sashak@alsa-project.org>) version
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * of ALSA ICH sound driver intel8x0.c .
8 *
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25
26#include <sound/driver.h>
27#include <asm/io.h>
28#include <linux/delay.h>
29#include <linux/interrupt.h>
30#include <linux/init.h>
31#include <linux/pci.h>
32#include <linux/slab.h>
33#include <linux/moduleparam.h>
34#include <sound/core.h>
35#include <sound/pcm.h>
36#include <sound/ac97_codec.h>
37#include <sound/info.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#include <sound/initval.h>
39
40MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
Takashi Iwai6b75a9d2005-11-17 15:04:53 +010041MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; "
42 "SiS 7013; NVidia MCP/2/2S/3 modems");
Linus Torvalds1da177e2005-04-16 15:20:36 -070043MODULE_LICENSE("GPL");
44MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
45 "{Intel,82901AB-ICH0},"
46 "{Intel,82801BA-ICH2},"
47 "{Intel,82801CA-ICH3},"
48 "{Intel,82801DB-ICH4},"
49 "{Intel,ICH5},"
50 "{Intel,ICH6},"
51 "{Intel,ICH7},"
52 "{Intel,MX440},"
53 "{SiS,7013},"
54 "{NVidia,NForce Modem},"
55 "{NVidia,NForce2 Modem},"
56 "{NVidia,NForce2s Modem},"
57 "{NVidia,NForce3 Modem},"
58 "{AMD,AMD768}}");
59
Clemens Ladischb7fe4622005-10-04 08:46:51 +020060static int index = -2; /* Exclude the first card */
61static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
Takashi Iwai6581f4e2006-05-17 17:14:51 +020062static int ac97_clock;
Linus Torvalds1da177e2005-04-16 15:20:36 -070063
Clemens Ladischb7fe4622005-10-04 08:46:51 +020064module_param(index, int, 0444);
Linus Torvalds1da177e2005-04-16 15:20:36 -070065MODULE_PARM_DESC(index, "Index value for Intel i8x0 modemcard.");
Clemens Ladischb7fe4622005-10-04 08:46:51 +020066module_param(id, charp, 0444);
Linus Torvalds1da177e2005-04-16 15:20:36 -070067MODULE_PARM_DESC(id, "ID string for Intel i8x0 modemcard.");
Clemens Ladischb7fe4622005-10-04 08:46:51 +020068module_param(ac97_clock, int, 0444);
Linus Torvalds1da177e2005-04-16 15:20:36 -070069MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect).");
70
Takashi Iwai2b3e5842005-10-06 13:47:23 +020071/* just for backward compatibility */
72static int enable;
Takashi Iwai698444f2005-10-20 16:53:49 +020073module_param(enable, bool, 0444);
Takashi Iwai2b3e5842005-10-06 13:47:23 +020074
Linus Torvalds1da177e2005-04-16 15:20:36 -070075/*
76 * Direct registers
77 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070078enum { DEVICE_INTEL, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
79
80#define ICHREG(x) ICH_REG_##x
81
82#define DEFINE_REGSET(name,base) \
83enum { \
84 ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \
85 ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \
86 ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \
87 ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \
88 ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \
89 ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \
90 ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \
91};
92
93/* busmaster blocks */
94DEFINE_REGSET(OFF, 0); /* offset */
95
96/* values for each busmaster block */
97
98/* LVI */
99#define ICH_REG_LVI_MASK 0x1f
100
101/* SR */
102#define ICH_FIFOE 0x10 /* FIFO error */
103#define ICH_BCIS 0x08 /* buffer completion interrupt status */
104#define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */
105#define ICH_CELV 0x02 /* current equals last valid */
106#define ICH_DCH 0x01 /* DMA controller halted */
107
108/* PIV */
109#define ICH_REG_PIV_MASK 0x1f /* mask */
110
111/* CR */
112#define ICH_IOCE 0x10 /* interrupt on completion enable */
113#define ICH_FEIE 0x08 /* fifo error interrupt enable */
114#define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */
115#define ICH_RESETREGS 0x02 /* reset busmaster registers */
116#define ICH_STARTBM 0x01 /* start busmaster operation */
117
118
119/* global block */
120#define ICH_REG_GLOB_CNT 0x3c /* dword - global control */
121#define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */
122#define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */
123#define ICH_PRIE 0x00000010 /* primary resume interrupt enable */
124#define ICH_ACLINK 0x00000008 /* AClink shut off */
125#define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */
126#define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */
127#define ICH_GIE 0x00000001 /* GPI interrupt enable */
128#define ICH_REG_GLOB_STA 0x40 /* dword - global status */
129#define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */
130#define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */
131#define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */
132#define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */
133#define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */
134#define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */
135#define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */
136#define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */
137#define ICH_MD3 0x00020000 /* modem power down semaphore */
138#define ICH_AD3 0x00010000 /* audio power down semaphore */
139#define ICH_RCS 0x00008000 /* read completion status */
140#define ICH_BIT3 0x00004000 /* bit 3 slot 12 */
141#define ICH_BIT2 0x00002000 /* bit 2 slot 12 */
142#define ICH_BIT1 0x00001000 /* bit 1 slot 12 */
143#define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */
144#define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */
145#define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */
146#define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */
147#define ICH_MCINT 0x00000080 /* MIC capture interrupt */
148#define ICH_POINT 0x00000040 /* playback interrupt */
149#define ICH_PIINT 0x00000020 /* capture interrupt */
150#define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */
151#define ICH_MOINT 0x00000004 /* modem playback interrupt */
152#define ICH_MIINT 0x00000002 /* modem capture interrupt */
153#define ICH_GSCI 0x00000001 /* GPI status change interrupt */
154#define ICH_REG_ACC_SEMA 0x44 /* byte - codec write semaphore */
155#define ICH_CAS 0x01 /* codec access semaphore */
156
157#define ICH_MAX_FRAGS 32 /* max hw frags */
158
159
160/*
161 *
162 */
163
164enum { ICHD_MDMIN, ICHD_MDMOUT, ICHD_MDMLAST = ICHD_MDMOUT };
165enum { ALID_MDMIN, ALID_MDMOUT, ALID_MDMLAST = ALID_MDMOUT };
166
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100167#define get_ichdev(substream) (substream->runtime->private_data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100169struct ichdev {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170 unsigned int ichd; /* ich device number */
171 unsigned long reg_offset; /* offset to bmaddr */
172 u32 *bdbar; /* CPU address (32bit) */
173 unsigned int bdbar_addr; /* PCI bus address (32bit) */
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100174 struct snd_pcm_substream *substream;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175 unsigned int physbuf; /* physical address (32bit) */
176 unsigned int size;
177 unsigned int fragsize;
178 unsigned int fragsize1;
179 unsigned int position;
180 int frags;
181 int lvi;
182 int lvi_frag;
183 int civ;
184 int ack;
185 int ack_reload;
186 unsigned int ack_bit;
187 unsigned int roff_sr;
188 unsigned int roff_picb;
189 unsigned int int_sta_mask; /* interrupt status mask */
190 unsigned int ali_slot; /* ALI DMA slot */
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100191 struct snd_ac97 *ac97;
192};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100194struct intel8x0m {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195 unsigned int device_type;
196
197 int irq;
198
199 unsigned int mmio;
200 unsigned long addr;
201 void __iomem *remap_addr;
202 unsigned int bm_mmio;
203 unsigned long bmaddr;
204 void __iomem *remap_bmaddr;
205
206 struct pci_dev *pci;
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100207 struct snd_card *card;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700208
209 int pcm_devs;
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100210 struct snd_pcm *pcm[2];
211 struct ichdev ichd[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212
213 unsigned int in_ac97_init: 1;
214
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100215 struct snd_ac97_bus *ac97_bus;
216 struct snd_ac97 *ac97;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217
218 spinlock_t reg_lock;
219
220 struct snd_dma_buffer bdbars;
221 u32 bdbars_count;
222 u32 int_sta_reg; /* interrupt status register */
223 u32 int_sta_mask; /* interrupt status mask */
224 unsigned int pcm_pos_shift;
225};
226
Henrik Kretzschmar396c9b92006-04-24 15:59:04 +0200227static struct pci_device_id snd_intel8x0m_ids[] __devinitdata = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228 { 0x8086, 0x2416, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */
229 { 0x8086, 0x2426, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */
230 { 0x8086, 0x2446, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */
231 { 0x8086, 0x2486, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH3 */
232 { 0x8086, 0x24c6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH4 */
233 { 0x8086, 0x24d6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH5 */
234 { 0x8086, 0x266d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH6 */
235 { 0x8086, 0x27dd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH7 */
236 { 0x8086, 0x7196, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 440MX */
237 { 0x1022, 0x7446, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD768 */
238 { 0x1039, 0x7013, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_SIS }, /* SI7013 */
239 { 0x10de, 0x01c1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE */
240 { 0x10de, 0x0069, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2 */
241 { 0x10de, 0x0089, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2s */
242 { 0x10de, 0x00d9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE3 */
243#if 0
244 { 0x1022, 0x746d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD8111 */
245 { 0x10b9, 0x5455, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALI }, /* Ali5455 */
246#endif
247 { 0, }
248};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249
250MODULE_DEVICE_TABLE(pci, snd_intel8x0m_ids);
251
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252/*
253 * Lowlevel I/O - busmaster
254 */
255
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100256static u8 igetbyte(struct intel8x0m *chip, u32 offset)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700257{
258 if (chip->bm_mmio)
259 return readb(chip->remap_bmaddr + offset);
260 else
261 return inb(chip->bmaddr + offset);
262}
263
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100264static u16 igetword(struct intel8x0m *chip, u32 offset)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700265{
266 if (chip->bm_mmio)
267 return readw(chip->remap_bmaddr + offset);
268 else
269 return inw(chip->bmaddr + offset);
270}
271
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100272static u32 igetdword(struct intel8x0m *chip, u32 offset)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273{
274 if (chip->bm_mmio)
275 return readl(chip->remap_bmaddr + offset);
276 else
277 return inl(chip->bmaddr + offset);
278}
279
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100280static void iputbyte(struct intel8x0m *chip, u32 offset, u8 val)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281{
282 if (chip->bm_mmio)
283 writeb(val, chip->remap_bmaddr + offset);
284 else
285 outb(val, chip->bmaddr + offset);
286}
287
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100288static void iputword(struct intel8x0m *chip, u32 offset, u16 val)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289{
290 if (chip->bm_mmio)
291 writew(val, chip->remap_bmaddr + offset);
292 else
293 outw(val, chip->bmaddr + offset);
294}
295
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100296static void iputdword(struct intel8x0m *chip, u32 offset, u32 val)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700297{
298 if (chip->bm_mmio)
299 writel(val, chip->remap_bmaddr + offset);
300 else
301 outl(val, chip->bmaddr + offset);
302}
303
304/*
305 * Lowlevel I/O - AC'97 registers
306 */
307
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100308static u16 iagetword(struct intel8x0m *chip, u32 offset)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309{
310 if (chip->mmio)
311 return readw(chip->remap_addr + offset);
312 else
313 return inw(chip->addr + offset);
314}
315
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100316static void iaputword(struct intel8x0m *chip, u32 offset, u16 val)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700317{
318 if (chip->mmio)
319 writew(val, chip->remap_addr + offset);
320 else
321 outw(val, chip->addr + offset);
322}
323
324/*
325 * Basic I/O
326 */
327
328/*
329 * access to AC97 codec via normal i/o (for ICH and SIS7013)
330 */
331
332/* return the GLOB_STA bit for the corresponding codec */
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100333static unsigned int get_ich_codec_bit(struct intel8x0m *chip, unsigned int codec)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334{
335 static unsigned int codec_bit[3] = {
336 ICH_PCR, ICH_SCR, ICH_TCR
337 };
338 snd_assert(codec < 3, return ICH_PCR);
339 return codec_bit[codec];
340}
341
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100342static int snd_intel8x0m_codec_semaphore(struct intel8x0m *chip, unsigned int codec)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700343{
344 int time;
345
346 if (codec > 1)
347 return -EIO;
348 codec = get_ich_codec_bit(chip, codec);
349
350 /* codec ready ? */
351 if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
352 return -EIO;
353
354 /* Anyone holding a semaphore for 1 msec should be shot... */
355 time = 100;
356 do {
357 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
358 return 0;
359 udelay(10);
360 } while (time--);
361
362 /* access to some forbidden (non existant) ac97 registers will not
363 * reset the semaphore. So even if you don't get the semaphore, still
364 * continue the access. We don't need the semaphore anyway. */
Takashi Iwai99b359b2005-10-20 18:26:44 +0200365 snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700366 igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
367 iagetword(chip, 0); /* clear semaphore flag */
368 /* I don't care about the semaphore */
369 return -EBUSY;
370}
371
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100372static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373 unsigned short reg,
374 unsigned short val)
375{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100376 struct intel8x0m *chip = ac97->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377
378 if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) {
379 if (! chip->in_ac97_init)
Takashi Iwai99b359b2005-10-20 18:26:44 +0200380 snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700381 }
382 iaputword(chip, reg + ac97->num * 0x80, val);
383}
384
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100385static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386 unsigned short reg)
387{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100388 struct intel8x0m *chip = ac97->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700389 unsigned short res;
390 unsigned int tmp;
391
392 if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) {
393 if (! chip->in_ac97_init)
Takashi Iwai99b359b2005-10-20 18:26:44 +0200394 snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700395 res = 0xffff;
396 } else {
397 res = iagetword(chip, reg + ac97->num * 0x80);
398 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
399 /* reset RCS and preserve other R/WC bits */
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100400 iputdword(chip, ICHREG(GLOB_STA),
401 tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402 if (! chip->in_ac97_init)
Takashi Iwai99b359b2005-10-20 18:26:44 +0200403 snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700404 res = 0xffff;
405 }
406 }
Sasha Khapyorsky2c56c472005-04-07 20:21:21 +0200407 if (reg == AC97_GPIO_STATUS)
408 iagetword(chip, 0); /* clear semaphore */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700409 return res;
410}
411
412
413/*
414 * DMA I/O
415 */
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100416static void snd_intel8x0_setup_periods(struct intel8x0m *chip, struct ichdev *ichdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417{
418 int idx;
419 u32 *bdbar = ichdev->bdbar;
420 unsigned long port = ichdev->reg_offset;
421
422 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
423 if (ichdev->size == ichdev->fragsize) {
424 ichdev->ack_reload = ichdev->ack = 2;
425 ichdev->fragsize1 = ichdev->fragsize >> 1;
426 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
427 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
428 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
429 ichdev->fragsize1 >> chip->pcm_pos_shift);
430 bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
431 bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
432 ichdev->fragsize1 >> chip->pcm_pos_shift);
433 }
434 ichdev->frags = 2;
435 } else {
436 ichdev->ack_reload = ichdev->ack = 1;
437 ichdev->fragsize1 = ichdev->fragsize;
438 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
439 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf + (((idx >> 1) * ichdev->fragsize) % ichdev->size));
440 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
441 ichdev->fragsize >> chip->pcm_pos_shift);
442 // printk("bdbar[%i] = 0x%x [0x%x]\n", idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
443 }
444 ichdev->frags = ichdev->size / ichdev->fragsize;
445 }
446 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
447 ichdev->civ = 0;
448 iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
449 ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
450 ichdev->position = 0;
451#if 0
452 printk("lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n",
453 ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, ichdev->fragsize1);
454#endif
455 /* clear interrupts */
456 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
457}
458
459/*
460 * Interrupt handler
461 */
462
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100463static inline void snd_intel8x0_update(struct intel8x0m *chip, struct ichdev *ichdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464{
465 unsigned long port = ichdev->reg_offset;
466 int civ, i, step;
467 int ack = 0;
468
469 civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
470 if (civ == ichdev->civ) {
471 // snd_printd("civ same %d\n", civ);
472 step = 1;
473 ichdev->civ++;
474 ichdev->civ &= ICH_REG_LVI_MASK;
475 } else {
476 step = civ - ichdev->civ;
477 if (step < 0)
478 step += ICH_REG_LVI_MASK + 1;
479 // if (step != 1)
480 // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
481 ichdev->civ = civ;
482 }
483
484 ichdev->position += step * ichdev->fragsize1;
485 ichdev->position %= ichdev->size;
486 ichdev->lvi += step;
487 ichdev->lvi &= ICH_REG_LVI_MASK;
488 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
489 for (i = 0; i < step; i++) {
490 ichdev->lvi_frag++;
491 ichdev->lvi_frag %= ichdev->frags;
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100492 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf +
493 ichdev->lvi_frag *
494 ichdev->fragsize1);
495#if 0
496 printk("new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n",
497 ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
498 ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
499 inl(port + 4), inb(port + ICH_REG_OFF_CR));
500#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700501 if (--ichdev->ack == 0) {
502 ichdev->ack = ichdev->ack_reload;
503 ack = 1;
504 }
505 }
506 if (ack && ichdev->substream) {
507 spin_unlock(&chip->reg_lock);
508 snd_pcm_period_elapsed(ichdev->substream);
509 spin_lock(&chip->reg_lock);
510 }
511 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
512}
513
514static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id, struct pt_regs *regs)
515{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100516 struct intel8x0m *chip = dev_id;
517 struct ichdev *ichdev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518 unsigned int status;
519 unsigned int i;
520
521 spin_lock(&chip->reg_lock);
522 status = igetdword(chip, chip->int_sta_reg);
523 if (status == 0xffffffff) { /* we are not yet resumed */
524 spin_unlock(&chip->reg_lock);
525 return IRQ_NONE;
526 }
527 if ((status & chip->int_sta_mask) == 0) {
528 if (status)
529 iputdword(chip, chip->int_sta_reg, status);
530 spin_unlock(&chip->reg_lock);
531 return IRQ_NONE;
532 }
533
534 for (i = 0; i < chip->bdbars_count; i++) {
535 ichdev = &chip->ichd[i];
536 if (status & ichdev->int_sta_mask)
537 snd_intel8x0_update(chip, ichdev);
538 }
539
540 /* ack them */
541 iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
542 spin_unlock(&chip->reg_lock);
543
544 return IRQ_HANDLED;
545}
546
547/*
548 * PCM part
549 */
550
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100551static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700552{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100553 struct intel8x0m *chip = snd_pcm_substream_chip(substream);
554 struct ichdev *ichdev = get_ichdev(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700555 unsigned char val = 0;
556 unsigned long port = ichdev->reg_offset;
557
558 switch (cmd) {
559 case SNDRV_PCM_TRIGGER_START:
560 case SNDRV_PCM_TRIGGER_RESUME:
561 val = ICH_IOCE | ICH_STARTBM;
562 break;
563 case SNDRV_PCM_TRIGGER_STOP:
564 case SNDRV_PCM_TRIGGER_SUSPEND:
565 val = 0;
566 break;
567 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
568 val = ICH_IOCE;
569 break;
570 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
571 val = ICH_IOCE | ICH_STARTBM;
572 break;
573 default:
574 return -EINVAL;
575 }
576 iputbyte(chip, port + ICH_REG_OFF_CR, val);
577 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
578 /* wait until DMA stopped */
579 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
580 /* reset whole DMA things */
581 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
582 }
583 return 0;
584}
585
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100586static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
587 struct snd_pcm_hw_params *hw_params)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700588{
589 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
590}
591
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100592static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700593{
594 return snd_pcm_lib_free_pages(substream);
595}
596
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100597static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700598{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100599 struct intel8x0m *chip = snd_pcm_substream_chip(substream);
600 struct ichdev *ichdev = get_ichdev(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601 size_t ptr1, ptr;
602
603 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << chip->pcm_pos_shift;
604 if (ptr1 != 0)
605 ptr = ichdev->fragsize1 - ptr1;
606 else
607 ptr = 0;
608 ptr += ichdev->position;
609 if (ptr >= ichdev->size)
610 return 0;
611 return bytes_to_frames(substream->runtime, ptr);
612}
613
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100614static int snd_intel8x0m_pcm_prepare(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100616 struct intel8x0m *chip = snd_pcm_substream_chip(substream);
617 struct snd_pcm_runtime *runtime = substream->runtime;
618 struct ichdev *ichdev = get_ichdev(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619
620 ichdev->physbuf = runtime->dma_addr;
621 ichdev->size = snd_pcm_lib_buffer_bytes(substream);
622 ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
623 snd_ac97_write(ichdev->ac97, AC97_LINE1_RATE, runtime->rate);
624 snd_ac97_write(ichdev->ac97, AC97_LINE1_LEVEL, 0);
625 snd_intel8x0_setup_periods(chip, ichdev);
626 return 0;
627}
628
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100629static struct snd_pcm_hardware snd_intel8x0m_stream =
Linus Torvalds1da177e2005-04-16 15:20:36 -0700630{
631 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
632 SNDRV_PCM_INFO_BLOCK_TRANSFER |
633 SNDRV_PCM_INFO_MMAP_VALID |
634 SNDRV_PCM_INFO_PAUSE |
635 SNDRV_PCM_INFO_RESUME),
636 .formats = SNDRV_PCM_FMTBIT_S16_LE,
637 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_KNOT,
638 .rate_min = 8000,
639 .rate_max = 16000,
640 .channels_min = 1,
641 .channels_max = 1,
642 .buffer_bytes_max = 64 * 1024,
643 .period_bytes_min = 32,
644 .period_bytes_max = 64 * 1024,
645 .periods_min = 1,
646 .periods_max = 1024,
647 .fifo_size = 0,
648};
649
650
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100651static int snd_intel8x0m_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700652{
653 static unsigned int rates[] = { 8000, 9600, 12000, 16000 };
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100654 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655 .count = ARRAY_SIZE(rates),
656 .list = rates,
657 .mask = 0,
658 };
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100659 struct snd_pcm_runtime *runtime = substream->runtime;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660 int err;
661
662 ichdev->substream = substream;
663 runtime->hw = snd_intel8x0m_stream;
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100664 err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
665 &hw_constraints_rates);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666 if ( err < 0 )
667 return err;
668 runtime->private_data = ichdev;
669 return 0;
670}
671
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100672static int snd_intel8x0m_playback_open(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700673{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100674 struct intel8x0m *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700675
676 return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMOUT]);
677}
678
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100679static int snd_intel8x0m_playback_close(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700680{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100681 struct intel8x0m *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700682
683 chip->ichd[ICHD_MDMOUT].substream = NULL;
684 return 0;
685}
686
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100687static int snd_intel8x0m_capture_open(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700688{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100689 struct intel8x0m *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690
691 return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMIN]);
692}
693
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100694static int snd_intel8x0m_capture_close(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700695{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100696 struct intel8x0m *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700697
698 chip->ichd[ICHD_MDMIN].substream = NULL;
699 return 0;
700}
701
702
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100703static struct snd_pcm_ops snd_intel8x0m_playback_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700704 .open = snd_intel8x0m_playback_open,
705 .close = snd_intel8x0m_playback_close,
706 .ioctl = snd_pcm_lib_ioctl,
707 .hw_params = snd_intel8x0_hw_params,
708 .hw_free = snd_intel8x0_hw_free,
709 .prepare = snd_intel8x0m_pcm_prepare,
Sasha Khapyorsky83a5b722005-05-29 15:10:07 +0200710 .trigger = snd_intel8x0_pcm_trigger,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711 .pointer = snd_intel8x0_pcm_pointer,
712};
713
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100714static struct snd_pcm_ops snd_intel8x0m_capture_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715 .open = snd_intel8x0m_capture_open,
716 .close = snd_intel8x0m_capture_close,
717 .ioctl = snd_pcm_lib_ioctl,
718 .hw_params = snd_intel8x0_hw_params,
719 .hw_free = snd_intel8x0_hw_free,
720 .prepare = snd_intel8x0m_pcm_prepare,
Sasha Khapyorsky83a5b722005-05-29 15:10:07 +0200721 .trigger = snd_intel8x0_pcm_trigger,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722 .pointer = snd_intel8x0_pcm_pointer,
723};
724
725
726struct ich_pcm_table {
727 char *suffix;
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100728 struct snd_pcm_ops *playback_ops;
729 struct snd_pcm_ops *capture_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700730 size_t prealloc_size;
731 size_t prealloc_max_size;
732 int ac97_idx;
733};
734
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100735static int __devinit snd_intel8x0_pcm1(struct intel8x0m *chip, int device,
736 struct ich_pcm_table *rec)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700737{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100738 struct snd_pcm *pcm;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739 int err;
740 char name[32];
741
742 if (rec->suffix)
743 sprintf(name, "Intel ICH - %s", rec->suffix);
744 else
745 strcpy(name, "Intel ICH");
746 err = snd_pcm_new(chip->card, name, device,
747 rec->playback_ops ? 1 : 0,
748 rec->capture_ops ? 1 : 0, &pcm);
749 if (err < 0)
750 return err;
751
752 if (rec->playback_ops)
753 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
754 if (rec->capture_ops)
755 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
756
757 pcm->private_data = chip;
758 pcm->info_flags = 0;
Sasha Khapyorsky6632d192005-09-29 11:48:17 +0200759 pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700760 if (rec->suffix)
761 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
762 else
763 strcpy(pcm->name, chip->card->shortname);
764 chip->pcm[device] = pcm;
765
766 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
767 snd_dma_pci_data(chip->pci),
768 rec->prealloc_size,
769 rec->prealloc_max_size);
770
771 return 0;
772}
773
774static struct ich_pcm_table intel_pcms[] __devinitdata = {
775 {
776 .suffix = "Modem",
777 .playback_ops = &snd_intel8x0m_playback_ops,
778 .capture_ops = &snd_intel8x0m_capture_ops,
779 .prealloc_size = 32 * 1024,
780 .prealloc_max_size = 64 * 1024,
781 },
782};
783
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100784static int __devinit snd_intel8x0_pcm(struct intel8x0m *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700785{
786 int i, tblsize, device, err;
787 struct ich_pcm_table *tbl, *rec;
788
789#if 1
790 tbl = intel_pcms;
791 tblsize = 1;
792#else
793 switch (chip->device_type) {
794 case DEVICE_NFORCE:
795 tbl = nforce_pcms;
796 tblsize = ARRAY_SIZE(nforce_pcms);
797 break;
798 case DEVICE_ALI:
799 tbl = ali_pcms;
800 tblsize = ARRAY_SIZE(ali_pcms);
801 break;
802 default:
803 tbl = intel_pcms;
804 tblsize = 2;
805 break;
806 }
807#endif
808 device = 0;
809 for (i = 0; i < tblsize; i++) {
810 rec = tbl + i;
811 if (i > 0 && rec->ac97_idx) {
812 /* activate PCM only when associated AC'97 codec */
813 if (! chip->ichd[rec->ac97_idx].ac97)
814 continue;
815 }
816 err = snd_intel8x0_pcm1(chip, device, rec);
817 if (err < 0)
818 return err;
819 device++;
820 }
821
822 chip->pcm_devs = device;
823 return 0;
824}
825
826
827/*
828 * Mixer part
829 */
830
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100831static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700832{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100833 struct intel8x0m *chip = bus->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700834 chip->ac97_bus = NULL;
835}
836
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100837static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700838{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100839 struct intel8x0m *chip = ac97->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700840 chip->ac97 = NULL;
841}
842
843
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100844static int __devinit snd_intel8x0_mixer(struct intel8x0m *chip, int ac97_clock)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700845{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100846 struct snd_ac97_bus *pbus;
847 struct snd_ac97_template ac97;
848 struct snd_ac97 *x97;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700849 int err;
850 unsigned int glob_sta = 0;
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100851 static struct snd_ac97_bus_ops ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700852 .write = snd_intel8x0_codec_write,
853 .read = snd_intel8x0_codec_read,
854 };
855
856 chip->in_ac97_init = 1;
857
858 memset(&ac97, 0, sizeof(ac97));
859 ac97.private_data = chip;
860 ac97.private_free = snd_intel8x0_mixer_free_ac97;
861 ac97.scaps = AC97_SCAP_SKIP_AUDIO;
862
863 glob_sta = igetdword(chip, ICHREG(GLOB_STA));
864
865 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
866 goto __err;
867 pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700868 if (ac97_clock >= 8000 && ac97_clock <= 48000)
869 pbus->clock = ac97_clock;
870 chip->ac97_bus = pbus;
871
872 ac97.pci = chip->pci;
873 ac97.num = glob_sta & ICH_SCR ? 1 : 0;
874 if ((err = snd_ac97_mixer(pbus, &ac97, &x97)) < 0) {
875 snd_printk(KERN_ERR "Unable to initialize codec #%d\n", ac97.num);
876 if (ac97.num == 0)
877 goto __err;
878 return err;
879 }
880 chip->ac97 = x97;
881 if(ac97_is_modem(x97) && !chip->ichd[ICHD_MDMIN].ac97) {
882 chip->ichd[ICHD_MDMIN].ac97 = x97;
883 chip->ichd[ICHD_MDMOUT].ac97 = x97;
884 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700885
886 chip->in_ac97_init = 0;
887 return 0;
888
889 __err:
890 /* clear the cold-reset bit for the next chance */
891 if (chip->device_type != DEVICE_ALI)
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100892 iputdword(chip, ICHREG(GLOB_CNT),
893 igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700894 return err;
895}
896
897
898/*
899 *
900 */
901
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100902static int snd_intel8x0m_ich_chip_init(struct intel8x0m *chip, int probing)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700903{
904 unsigned long end_time;
905 unsigned int cnt, status, nstatus;
906
907 /* put logic to right state */
908 /* first clear status bits */
909 status = ICH_RCS | ICH_MIINT | ICH_MOINT;
910 cnt = igetdword(chip, ICHREG(GLOB_STA));
911 iputdword(chip, ICHREG(GLOB_STA), cnt & status);
912
913 /* ACLink on, 2 channels */
914 cnt = igetdword(chip, ICHREG(GLOB_CNT));
915 cnt &= ~(ICH_ACLINK);
916 /* finish cold or do warm reset */
917 cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
918 iputdword(chip, ICHREG(GLOB_CNT), cnt);
919 end_time = (jiffies + (HZ / 4)) + 1;
920 do {
921 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
922 goto __ok;
Takashi Iwai954bea32005-11-17 10:37:40 +0100923 schedule_timeout_uninterruptible(1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700924 } while (time_after_eq(end_time, jiffies));
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100925 snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n",
926 igetdword(chip, ICHREG(GLOB_CNT)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700927 return -EIO;
928
929 __ok:
930 if (probing) {
931 /* wait for any codec ready status.
932 * Once it becomes ready it should remain ready
933 * as long as we do not disable the ac97 link.
934 */
935 end_time = jiffies + HZ;
936 do {
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100937 status = igetdword(chip, ICHREG(GLOB_STA)) &
938 (ICH_PCR | ICH_SCR | ICH_TCR);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700939 if (status)
940 break;
Takashi Iwai954bea32005-11-17 10:37:40 +0100941 schedule_timeout_uninterruptible(1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700942 } while (time_after_eq(end_time, jiffies));
943 if (! status) {
944 /* no codec is found */
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100945 snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n",
946 igetdword(chip, ICHREG(GLOB_STA)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700947 return -EIO;
948 }
949
950 /* up to two codecs (modem cannot be tertiary with ICH4) */
951 nstatus = ICH_PCR | ICH_SCR;
952
953 /* wait for other codecs ready status. */
954 end_time = jiffies + HZ / 4;
955 while (status != nstatus && time_after_eq(end_time, jiffies)) {
Takashi Iwai954bea32005-11-17 10:37:40 +0100956 schedule_timeout_uninterruptible(1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700957 status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus;
958 }
959
960 } else {
961 /* resume phase */
962 status = 0;
963 if (chip->ac97)
964 status |= get_ich_codec_bit(chip, chip->ac97->num);
965 /* wait until all the probed codecs are ready */
966 end_time = jiffies + HZ;
967 do {
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100968 nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
969 (ICH_PCR | ICH_SCR | ICH_TCR);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700970 if (status == nstatus)
971 break;
Takashi Iwai954bea32005-11-17 10:37:40 +0100972 schedule_timeout_uninterruptible(1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700973 } while (time_after_eq(end_time, jiffies));
974 }
975
976 if (chip->device_type == DEVICE_SIS) {
977 /* unmute the output on SIS7012 */
978 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
979 }
980
981 return 0;
982}
983
Takashi Iwai6b75a9d2005-11-17 15:04:53 +0100984static int snd_intel8x0_chip_init(struct intel8x0m *chip, int probing)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700985{
986 unsigned int i;
987 int err;
988
989 if ((err = snd_intel8x0m_ich_chip_init(chip, probing)) < 0)
990 return err;
991 iagetword(chip, 0); /* clear semaphore flag */
992
993 /* disable interrupts */
994 for (i = 0; i < chip->bdbars_count; i++)
995 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
996 /* reset channels */
997 for (i = 0; i < chip->bdbars_count; i++)
998 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
999 /* initialize Buffer Descriptor Lists */
1000 for (i = 0; i < chip->bdbars_count; i++)
1001 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, chip->ichd[i].bdbar_addr);
1002 return 0;
1003}
1004
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001005static int snd_intel8x0_free(struct intel8x0m *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001006{
1007 unsigned int i;
1008
1009 if (chip->irq < 0)
1010 goto __hw_end;
1011 /* disable interrupts */
1012 for (i = 0; i < chip->bdbars_count; i++)
1013 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
1014 /* reset channels */
1015 for (i = 0; i < chip->bdbars_count; i++)
1016 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
1017 /* --- */
1018 synchronize_irq(chip->irq);
1019 __hw_end:
1020 if (chip->bdbars.area)
1021 snd_dma_free_pages(&chip->bdbars);
1022 if (chip->remap_addr)
1023 iounmap(chip->remap_addr);
1024 if (chip->remap_bmaddr)
1025 iounmap(chip->remap_bmaddr);
1026 if (chip->irq >= 0)
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001027 free_irq(chip->irq, chip);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001028 pci_release_regions(chip->pci);
1029 pci_disable_device(chip->pci);
1030 kfree(chip);
1031 return 0;
1032}
1033
1034#ifdef CONFIG_PM
1035/*
1036 * power management
1037 */
Takashi Iwai5809c6c2005-11-17 16:10:01 +01001038static int intel8x0m_suspend(struct pci_dev *pci, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001039{
Takashi Iwai5809c6c2005-11-17 16:10:01 +01001040 struct snd_card *card = pci_get_drvdata(pci);
1041 struct intel8x0m *chip = card->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001042 int i;
1043
Takashi Iwai5809c6c2005-11-17 16:10:01 +01001044 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001045 for (i = 0; i < chip->pcm_devs; i++)
1046 snd_pcm_suspend_all(chip->pcm[i]);
Takashi Iwai5809c6c2005-11-17 16:10:01 +01001047 snd_ac97_suspend(chip->ac97);
1048 pci_disable_device(pci);
1049 pci_save_state(pci);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001050 return 0;
1051}
1052
Takashi Iwai5809c6c2005-11-17 16:10:01 +01001053static int intel8x0m_resume(struct pci_dev *pci)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001054{
Takashi Iwai5809c6c2005-11-17 16:10:01 +01001055 struct snd_card *card = pci_get_drvdata(pci);
1056 struct intel8x0m *chip = card->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001057
Takashi Iwai5809c6c2005-11-17 16:10:01 +01001058 pci_restore_state(pci);
1059 pci_enable_device(pci);
1060 pci_set_master(pci);
1061 snd_intel8x0_chip_init(chip, 0);
1062 snd_ac97_resume(chip->ac97);
1063
1064 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001065 return 0;
1066}
1067#endif /* CONFIG_PM */
1068
Takashi Iwaiadf1b3d2005-12-01 10:49:58 +01001069#ifdef CONFIG_PROC_FS
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001070static void snd_intel8x0m_proc_read(struct snd_info_entry * entry,
1071 struct snd_info_buffer *buffer)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001072{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001073 struct intel8x0m *chip = entry->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001074 unsigned int tmp;
1075
1076 snd_iprintf(buffer, "Intel8x0m\n\n");
1077 if (chip->device_type == DEVICE_ALI)
1078 return;
1079 tmp = igetdword(chip, ICHREG(GLOB_STA));
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001080 snd_iprintf(buffer, "Global control : 0x%08x\n",
1081 igetdword(chip, ICHREG(GLOB_CNT)));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001082 snd_iprintf(buffer, "Global status : 0x%08x\n", tmp);
1083 snd_iprintf(buffer, "AC'97 codecs ready :%s%s%s%s\n",
1084 tmp & ICH_PCR ? " primary" : "",
1085 tmp & ICH_SCR ? " secondary" : "",
1086 tmp & ICH_TCR ? " tertiary" : "",
1087 (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : "");
1088}
1089
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001090static void __devinit snd_intel8x0m_proc_init(struct intel8x0m * chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001091{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001092 struct snd_info_entry *entry;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001093
1094 if (! snd_card_proc_new(chip->card, "intel8x0m", &entry))
Takashi Iwaibf850202006-04-28 15:13:41 +02001095 snd_info_set_text_ops(entry, chip, snd_intel8x0m_proc_read);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001096}
Takashi Iwaiadf1b3d2005-12-01 10:49:58 +01001097#else /* !CONFIG_PROC_FS */
1098#define snd_intel8x0m_proc_init(chip)
1099#endif /* CONFIG_PROC_FS */
1100
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001102static int snd_intel8x0_dev_free(struct snd_device *device)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001103{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001104 struct intel8x0m *chip = device->device_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001105 return snd_intel8x0_free(chip);
1106}
1107
1108struct ich_reg_info {
1109 unsigned int int_sta_mask;
1110 unsigned int offset;
1111};
1112
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001113static int __devinit snd_intel8x0m_create(struct snd_card *card,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001114 struct pci_dev *pci,
1115 unsigned long device_type,
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001116 struct intel8x0m ** r_intel8x0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001117{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001118 struct intel8x0m *chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001119 int err;
1120 unsigned int i;
1121 unsigned int int_sta_masks;
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001122 struct ichdev *ichdev;
1123 static struct snd_device_ops ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001124 .dev_free = snd_intel8x0_dev_free,
1125 };
1126 static struct ich_reg_info intel_regs[2] = {
1127 { ICH_MIINT, 0 },
1128 { ICH_MOINT, 0x10 },
1129 };
1130 struct ich_reg_info *tbl;
1131
1132 *r_intel8x0 = NULL;
1133
1134 if ((err = pci_enable_device(pci)) < 0)
1135 return err;
1136
Takashi Iwaie560d8d2005-09-09 14:21:46 +02001137 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001138 if (chip == NULL) {
1139 pci_disable_device(pci);
1140 return -ENOMEM;
1141 }
1142 spin_lock_init(&chip->reg_lock);
1143 chip->device_type = device_type;
1144 chip->card = card;
1145 chip->pci = pci;
1146 chip->irq = -1;
1147
1148 if ((err = pci_request_regions(pci, card->shortname)) < 0) {
1149 kfree(chip);
1150 pci_disable_device(pci);
1151 return err;
1152 }
1153
1154 if (device_type == DEVICE_ALI) {
1155 /* ALI5455 has no ac97 region */
1156 chip->bmaddr = pci_resource_start(pci, 0);
1157 goto port_inited;
1158 }
1159
1160 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) { /* ICH4 and Nforce */
1161 chip->mmio = 1;
1162 chip->addr = pci_resource_start(pci, 2);
1163 chip->remap_addr = ioremap_nocache(chip->addr,
1164 pci_resource_len(pci, 2));
1165 if (chip->remap_addr == NULL) {
Takashi Iwai99b359b2005-10-20 18:26:44 +02001166 snd_printk(KERN_ERR "AC'97 space ioremap problem\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001167 snd_intel8x0_free(chip);
1168 return -EIO;
1169 }
1170 } else {
1171 chip->addr = pci_resource_start(pci, 0);
1172 }
1173 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) { /* ICH4 */
1174 chip->bm_mmio = 1;
1175 chip->bmaddr = pci_resource_start(pci, 3);
1176 chip->remap_bmaddr = ioremap_nocache(chip->bmaddr,
1177 pci_resource_len(pci, 3));
1178 if (chip->remap_bmaddr == NULL) {
Takashi Iwai99b359b2005-10-20 18:26:44 +02001179 snd_printk(KERN_ERR "Controller space ioremap problem\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001180 snd_intel8x0_free(chip);
1181 return -EIO;
1182 }
1183 } else {
1184 chip->bmaddr = pci_resource_start(pci, 1);
1185 }
1186
1187 port_inited:
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001188 if (request_irq(pci->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ,
1189 card->shortname, chip)) {
Takashi Iwai99b359b2005-10-20 18:26:44 +02001190 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001191 snd_intel8x0_free(chip);
1192 return -EBUSY;
1193 }
1194 chip->irq = pci->irq;
1195 pci_set_master(pci);
1196 synchronize_irq(chip->irq);
1197
1198 /* initialize offsets */
1199 chip->bdbars_count = 2;
1200 tbl = intel_regs;
1201
1202 for (i = 0; i < chip->bdbars_count; i++) {
1203 ichdev = &chip->ichd[i];
1204 ichdev->ichd = i;
1205 ichdev->reg_offset = tbl[i].offset;
1206 ichdev->int_sta_mask = tbl[i].int_sta_mask;
1207 if (device_type == DEVICE_SIS) {
1208 /* SiS 7013 swaps the registers */
1209 ichdev->roff_sr = ICH_REG_OFF_PICB;
1210 ichdev->roff_picb = ICH_REG_OFF_SR;
1211 } else {
1212 ichdev->roff_sr = ICH_REG_OFF_SR;
1213 ichdev->roff_picb = ICH_REG_OFF_PICB;
1214 }
1215 if (device_type == DEVICE_ALI)
1216 ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
1217 }
1218 /* SIS7013 handles the pcm data in bytes, others are in words */
1219 chip->pcm_pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
1220
1221 /* allocate buffer descriptor lists */
1222 /* the start of each lists must be aligned to 8 bytes */
1223 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1224 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
1225 &chip->bdbars) < 0) {
1226 snd_intel8x0_free(chip);
1227 return -ENOMEM;
1228 }
1229 /* tables must be aligned to 8 bytes here, but the kernel pages
1230 are much bigger, so we don't care (on i386) */
1231 int_sta_masks = 0;
1232 for (i = 0; i < chip->bdbars_count; i++) {
1233 ichdev = &chip->ichd[i];
1234 ichdev->bdbar = ((u32 *)chip->bdbars.area) + (i * ICH_MAX_FRAGS * 2);
1235 ichdev->bdbar_addr = chip->bdbars.addr + (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
1236 int_sta_masks |= ichdev->int_sta_mask;
1237 }
1238 chip->int_sta_reg = ICH_REG_GLOB_STA;
1239 chip->int_sta_mask = int_sta_masks;
1240
1241 if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
1242 snd_intel8x0_free(chip);
1243 return err;
1244 }
1245
Linus Torvalds1da177e2005-04-16 15:20:36 -07001246 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1247 snd_intel8x0_free(chip);
1248 return err;
1249 }
1250
1251 snd_card_set_dev(card, &pci->dev);
1252
1253 *r_intel8x0 = chip;
1254 return 0;
1255}
1256
1257static struct shortname_table {
1258 unsigned int id;
1259 const char *s;
1260} shortnames[] __devinitdata = {
Takashi Iwai8cdfd252005-09-07 14:08:11 +02001261 { PCI_DEVICE_ID_INTEL_82801AA_6, "Intel 82801AA-ICH" },
1262 { PCI_DEVICE_ID_INTEL_82801AB_6, "Intel 82901AB-ICH0" },
Linus Torvalds1da177e2005-04-16 15:20:36 -07001263 { PCI_DEVICE_ID_INTEL_82801BA_6, "Intel 82801BA-ICH2" },
1264 { PCI_DEVICE_ID_INTEL_440MX_6, "Intel 440MX" },
Takashi Iwai8cdfd252005-09-07 14:08:11 +02001265 { PCI_DEVICE_ID_INTEL_82801CA_6, "Intel 82801CA-ICH3" },
1266 { PCI_DEVICE_ID_INTEL_82801DB_6, "Intel 82801DB-ICH4" },
1267 { PCI_DEVICE_ID_INTEL_82801EB_6, "Intel ICH5" },
1268 { PCI_DEVICE_ID_INTEL_ICH6_17, "Intel ICH6" },
1269 { PCI_DEVICE_ID_INTEL_ICH7_19, "Intel ICH7" },
Linus Torvalds1da177e2005-04-16 15:20:36 -07001270 { 0x7446, "AMD AMD768" },
1271 { PCI_DEVICE_ID_SI_7013, "SiS SI7013" },
Takashi Iwai8cdfd252005-09-07 14:08:11 +02001272 { PCI_DEVICE_ID_NVIDIA_MCP1_MODEM, "NVidia nForce" },
Linus Torvalds1da177e2005-04-16 15:20:36 -07001273 { PCI_DEVICE_ID_NVIDIA_MCP2_MODEM, "NVidia nForce2" },
1274 { PCI_DEVICE_ID_NVIDIA_MCP2S_MODEM, "NVidia nForce2s" },
1275 { PCI_DEVICE_ID_NVIDIA_MCP3_MODEM, "NVidia nForce3" },
1276#if 0
1277 { 0x5455, "ALi M5455" },
1278 { 0x746d, "AMD AMD8111" },
1279#endif
1280 { 0 },
1281};
1282
1283static int __devinit snd_intel8x0m_probe(struct pci_dev *pci,
1284 const struct pci_device_id *pci_id)
1285{
Takashi Iwai6b75a9d2005-11-17 15:04:53 +01001286 struct snd_card *card;
1287 struct intel8x0m *chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001288 int err;
1289 struct shortname_table *name;
1290
Clemens Ladischb7fe4622005-10-04 08:46:51 +02001291 card = snd_card_new(index, id, THIS_MODULE, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001292 if (card == NULL)
1293 return -ENOMEM;
1294
1295 strcpy(card->driver, "ICH-MODEM");
1296 strcpy(card->shortname, "Intel ICH");
1297 for (name = shortnames; name->id; name++) {
1298 if (pci->device == name->id) {
1299 strcpy(card->shortname, name->s);
1300 break;
1301 }
1302 }
1303 strcat(card->shortname," Modem");
1304
1305 if ((err = snd_intel8x0m_create(card, pci, pci_id->driver_data, &chip)) < 0) {
1306 snd_card_free(card);
1307 return err;
1308 }
Takashi Iwai5809c6c2005-11-17 16:10:01 +01001309 card->private_data = chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001310
Clemens Ladischb7fe4622005-10-04 08:46:51 +02001311 if ((err = snd_intel8x0_mixer(chip, ac97_clock)) < 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001312 snd_card_free(card);
1313 return err;
1314 }
1315 if ((err = snd_intel8x0_pcm(chip)) < 0) {
1316 snd_card_free(card);
1317 return err;
1318 }
1319
1320 snd_intel8x0m_proc_init(chip);
1321
1322 sprintf(card->longname, "%s at 0x%lx, irq %i",
1323 card->shortname, chip->addr, chip->irq);
1324
1325 if ((err = snd_card_register(card)) < 0) {
1326 snd_card_free(card);
1327 return err;
1328 }
1329 pci_set_drvdata(pci, card);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001330 return 0;
1331}
1332
1333static void __devexit snd_intel8x0m_remove(struct pci_dev *pci)
1334{
1335 snd_card_free(pci_get_drvdata(pci));
1336 pci_set_drvdata(pci, NULL);
1337}
1338
1339static struct pci_driver driver = {
1340 .name = "Intel ICH Modem",
1341 .id_table = snd_intel8x0m_ids,
1342 .probe = snd_intel8x0m_probe,
1343 .remove = __devexit_p(snd_intel8x0m_remove),
Takashi Iwai5809c6c2005-11-17 16:10:01 +01001344#ifdef CONFIG_PM
1345 .suspend = intel8x0m_suspend,
1346 .resume = intel8x0m_resume,
1347#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001348};
1349
1350
1351static int __init alsa_card_intel8x0m_init(void)
1352{
Takashi Iwai01d25d42005-04-11 16:58:24 +02001353 return pci_register_driver(&driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001354}
1355
1356static void __exit alsa_card_intel8x0m_exit(void)
1357{
1358 pci_unregister_driver(&driver);
1359}
1360
1361module_init(alsa_card_intel8x0m_init)
1362module_exit(alsa_card_intel8x0m_exit)