Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * ALSA driver for ATI IXP 150/200/250/300 AC97 controllers | |
3 | * | |
4 | * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
1da177e4 LT |
22 | #include <asm/io.h> |
23 | #include <linux/delay.h> | |
24 | #include <linux/interrupt.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/pci.h> | |
27 | #include <linux/slab.h> | |
65a77217 | 28 | #include <linux/module.h> |
62932df8 | 29 | #include <linux/mutex.h> |
1da177e4 LT |
30 | #include <sound/core.h> |
31 | #include <sound/pcm.h> | |
32 | #include <sound/pcm_params.h> | |
33 | #include <sound/info.h> | |
34 | #include <sound/ac97_codec.h> | |
35 | #include <sound/initval.h> | |
36 | ||
37 | MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); | |
38 | MODULE_DESCRIPTION("ATI IXP AC97 controller"); | |
39 | MODULE_LICENSE("GPL"); | |
f4446ea0 | 40 | MODULE_SUPPORTED_DEVICE("{{ATI,IXP150/200/250/300/400/600}}"); |
1da177e4 | 41 | |
b7fe4622 CL |
42 | static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ |
43 | static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ | |
44 | static int ac97_clock = 48000; | |
45 | static char *ac97_quirk; | |
a67ff6a5 | 46 | static bool spdif_aclink = 1; |
14e1d357 | 47 | static int ac97_codec = -1; |
b7fe4622 CL |
48 | |
49 | module_param(index, int, 0444); | |
1da177e4 | 50 | MODULE_PARM_DESC(index, "Index value for ATI IXP controller."); |
b7fe4622 | 51 | module_param(id, charp, 0444); |
1da177e4 | 52 | MODULE_PARM_DESC(id, "ID string for ATI IXP controller."); |
b7fe4622 | 53 | module_param(ac97_clock, int, 0444); |
1da177e4 | 54 | MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); |
b7fe4622 | 55 | module_param(ac97_quirk, charp, 0444); |
1da177e4 | 56 | MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); |
14e1d357 DC |
57 | module_param(ac97_codec, int, 0444); |
58 | MODULE_PARM_DESC(ac97_codec, "Specify codec instead of probing."); | |
b7fe4622 | 59 | module_param(spdif_aclink, bool, 0444); |
1da177e4 LT |
60 | MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link."); |
61 | ||
2b3e584b | 62 | /* just for backward compatibility */ |
a67ff6a5 | 63 | static bool enable; |
698444f3 | 64 | module_param(enable, bool, 0444); |
2b3e584b | 65 | |
1da177e4 LT |
66 | |
67 | /* | |
68 | */ | |
69 | ||
70 | #define ATI_REG_ISR 0x00 /* interrupt source */ | |
71 | #define ATI_REG_ISR_IN_XRUN (1U<<0) | |
72 | #define ATI_REG_ISR_IN_STATUS (1U<<1) | |
73 | #define ATI_REG_ISR_OUT_XRUN (1U<<2) | |
74 | #define ATI_REG_ISR_OUT_STATUS (1U<<3) | |
75 | #define ATI_REG_ISR_SPDF_XRUN (1U<<4) | |
76 | #define ATI_REG_ISR_SPDF_STATUS (1U<<5) | |
77 | #define ATI_REG_ISR_PHYS_INTR (1U<<8) | |
78 | #define ATI_REG_ISR_PHYS_MISMATCH (1U<<9) | |
79 | #define ATI_REG_ISR_CODEC0_NOT_READY (1U<<10) | |
80 | #define ATI_REG_ISR_CODEC1_NOT_READY (1U<<11) | |
81 | #define ATI_REG_ISR_CODEC2_NOT_READY (1U<<12) | |
82 | #define ATI_REG_ISR_NEW_FRAME (1U<<13) | |
83 | ||
84 | #define ATI_REG_IER 0x04 /* interrupt enable */ | |
85 | #define ATI_REG_IER_IN_XRUN_EN (1U<<0) | |
86 | #define ATI_REG_IER_IO_STATUS_EN (1U<<1) | |
87 | #define ATI_REG_IER_OUT_XRUN_EN (1U<<2) | |
88 | #define ATI_REG_IER_OUT_XRUN_COND (1U<<3) | |
89 | #define ATI_REG_IER_SPDF_XRUN_EN (1U<<4) | |
90 | #define ATI_REG_IER_SPDF_STATUS_EN (1U<<5) | |
91 | #define ATI_REG_IER_PHYS_INTR_EN (1U<<8) | |
92 | #define ATI_REG_IER_PHYS_MISMATCH_EN (1U<<9) | |
93 | #define ATI_REG_IER_CODEC0_INTR_EN (1U<<10) | |
94 | #define ATI_REG_IER_CODEC1_INTR_EN (1U<<11) | |
95 | #define ATI_REG_IER_CODEC2_INTR_EN (1U<<12) | |
96 | #define ATI_REG_IER_NEW_FRAME_EN (1U<<13) /* (RO */ | |
97 | #define ATI_REG_IER_SET_BUS_BUSY (1U<<14) /* (WO) audio is running */ | |
98 | ||
99 | #define ATI_REG_CMD 0x08 /* command */ | |
100 | #define ATI_REG_CMD_POWERDOWN (1U<<0) | |
101 | #define ATI_REG_CMD_RECEIVE_EN (1U<<1) | |
102 | #define ATI_REG_CMD_SEND_EN (1U<<2) | |
103 | #define ATI_REG_CMD_STATUS_MEM (1U<<3) | |
104 | #define ATI_REG_CMD_SPDF_OUT_EN (1U<<4) | |
105 | #define ATI_REG_CMD_SPDF_STATUS_MEM (1U<<5) | |
106 | #define ATI_REG_CMD_SPDF_THRESHOLD (3U<<6) | |
107 | #define ATI_REG_CMD_SPDF_THRESHOLD_SHIFT 6 | |
108 | #define ATI_REG_CMD_IN_DMA_EN (1U<<8) | |
109 | #define ATI_REG_CMD_OUT_DMA_EN (1U<<9) | |
110 | #define ATI_REG_CMD_SPDF_DMA_EN (1U<<10) | |
111 | #define ATI_REG_CMD_SPDF_OUT_STOPPED (1U<<11) | |
112 | #define ATI_REG_CMD_SPDF_CONFIG_MASK (7U<<12) | |
113 | #define ATI_REG_CMD_SPDF_CONFIG_34 (1U<<12) | |
114 | #define ATI_REG_CMD_SPDF_CONFIG_78 (2U<<12) | |
115 | #define ATI_REG_CMD_SPDF_CONFIG_69 (3U<<12) | |
116 | #define ATI_REG_CMD_SPDF_CONFIG_01 (4U<<12) | |
117 | #define ATI_REG_CMD_INTERLEAVE_SPDF (1U<<16) | |
118 | #define ATI_REG_CMD_AUDIO_PRESENT (1U<<20) | |
119 | #define ATI_REG_CMD_INTERLEAVE_IN (1U<<21) | |
120 | #define ATI_REG_CMD_INTERLEAVE_OUT (1U<<22) | |
121 | #define ATI_REG_CMD_LOOPBACK_EN (1U<<23) | |
122 | #define ATI_REG_CMD_PACKED_DIS (1U<<24) | |
123 | #define ATI_REG_CMD_BURST_EN (1U<<25) | |
124 | #define ATI_REG_CMD_PANIC_EN (1U<<26) | |
125 | #define ATI_REG_CMD_MODEM_PRESENT (1U<<27) | |
126 | #define ATI_REG_CMD_ACLINK_ACTIVE (1U<<28) | |
127 | #define ATI_REG_CMD_AC_SOFT_RESET (1U<<29) | |
128 | #define ATI_REG_CMD_AC_SYNC (1U<<30) | |
129 | #define ATI_REG_CMD_AC_RESET (1U<<31) | |
130 | ||
131 | #define ATI_REG_PHYS_OUT_ADDR 0x0c | |
132 | #define ATI_REG_PHYS_OUT_CODEC_MASK (3U<<0) | |
133 | #define ATI_REG_PHYS_OUT_RW (1U<<2) | |
134 | #define ATI_REG_PHYS_OUT_ADDR_EN (1U<<8) | |
135 | #define ATI_REG_PHYS_OUT_ADDR_SHIFT 9 | |
136 | #define ATI_REG_PHYS_OUT_DATA_SHIFT 16 | |
137 | ||
138 | #define ATI_REG_PHYS_IN_ADDR 0x10 | |
139 | #define ATI_REG_PHYS_IN_READ_FLAG (1U<<8) | |
140 | #define ATI_REG_PHYS_IN_ADDR_SHIFT 9 | |
141 | #define ATI_REG_PHYS_IN_DATA_SHIFT 16 | |
142 | ||
143 | #define ATI_REG_SLOTREQ 0x14 | |
144 | ||
145 | #define ATI_REG_COUNTER 0x18 | |
146 | #define ATI_REG_COUNTER_SLOT (3U<<0) /* slot # */ | |
147 | #define ATI_REG_COUNTER_BITCLOCK (31U<<8) | |
148 | ||
149 | #define ATI_REG_IN_FIFO_THRESHOLD 0x1c | |
150 | ||
151 | #define ATI_REG_IN_DMA_LINKPTR 0x20 | |
152 | #define ATI_REG_IN_DMA_DT_START 0x24 /* RO */ | |
153 | #define ATI_REG_IN_DMA_DT_NEXT 0x28 /* RO */ | |
154 | #define ATI_REG_IN_DMA_DT_CUR 0x2c /* RO */ | |
155 | #define ATI_REG_IN_DMA_DT_SIZE 0x30 | |
156 | ||
157 | #define ATI_REG_OUT_DMA_SLOT 0x34 | |
158 | #define ATI_REG_OUT_DMA_SLOT_BIT(x) (1U << ((x) - 3)) | |
159 | #define ATI_REG_OUT_DMA_SLOT_MASK 0x1ff | |
160 | #define ATI_REG_OUT_DMA_THRESHOLD_MASK 0xf800 | |
161 | #define ATI_REG_OUT_DMA_THRESHOLD_SHIFT 11 | |
162 | ||
163 | #define ATI_REG_OUT_DMA_LINKPTR 0x38 | |
164 | #define ATI_REG_OUT_DMA_DT_START 0x3c /* RO */ | |
165 | #define ATI_REG_OUT_DMA_DT_NEXT 0x40 /* RO */ | |
166 | #define ATI_REG_OUT_DMA_DT_CUR 0x44 /* RO */ | |
167 | #define ATI_REG_OUT_DMA_DT_SIZE 0x48 | |
168 | ||
169 | #define ATI_REG_SPDF_CMD 0x4c | |
170 | #define ATI_REG_SPDF_CMD_LFSR (1U<<4) | |
171 | #define ATI_REG_SPDF_CMD_SINGLE_CH (1U<<5) | |
172 | #define ATI_REG_SPDF_CMD_LFSR_ACC (0xff<<8) /* RO */ | |
173 | ||
174 | #define ATI_REG_SPDF_DMA_LINKPTR 0x50 | |
175 | #define ATI_REG_SPDF_DMA_DT_START 0x54 /* RO */ | |
176 | #define ATI_REG_SPDF_DMA_DT_NEXT 0x58 /* RO */ | |
177 | #define ATI_REG_SPDF_DMA_DT_CUR 0x5c /* RO */ | |
178 | #define ATI_REG_SPDF_DMA_DT_SIZE 0x60 | |
179 | ||
180 | #define ATI_REG_MODEM_MIRROR 0x7c | |
181 | #define ATI_REG_AUDIO_MIRROR 0x80 | |
182 | ||
183 | #define ATI_REG_6CH_REORDER 0x84 /* reorder slots for 6ch */ | |
184 | #define ATI_REG_6CH_REORDER_EN (1U<<0) /* 3,4,7,8,6,9 -> 3,4,6,9,7,8 */ | |
185 | ||
186 | #define ATI_REG_FIFO_FLUSH 0x88 | |
187 | #define ATI_REG_FIFO_OUT_FLUSH (1U<<0) | |
188 | #define ATI_REG_FIFO_IN_FLUSH (1U<<1) | |
189 | ||
190 | /* LINKPTR */ | |
191 | #define ATI_REG_LINKPTR_EN (1U<<0) | |
192 | ||
193 | /* [INT|OUT|SPDIF]_DMA_DT_SIZE */ | |
194 | #define ATI_REG_DMA_DT_SIZE (0xffffU<<0) | |
195 | #define ATI_REG_DMA_FIFO_USED (0x1fU<<16) | |
196 | #define ATI_REG_DMA_FIFO_FREE (0x1fU<<21) | |
197 | #define ATI_REG_DMA_STATE (7U<<26) | |
198 | ||
199 | ||
200 | #define ATI_MAX_DESCRIPTORS 256 /* max number of descriptor packets */ | |
201 | ||
202 | ||
74ee4ff1 | 203 | struct atiixp; |
1da177e4 LT |
204 | |
205 | /* | |
206 | * DMA packate descriptor | |
207 | */ | |
208 | ||
74ee4ff1 | 209 | struct atiixp_dma_desc { |
1da177e4 LT |
210 | u32 addr; /* DMA buffer address */ |
211 | u16 status; /* status bits */ | |
212 | u16 size; /* size of the packet in dwords */ | |
213 | u32 next; /* address of the next packet descriptor */ | |
74ee4ff1 | 214 | }; |
1da177e4 LT |
215 | |
216 | /* | |
217 | * stream enum | |
218 | */ | |
219 | enum { ATI_DMA_PLAYBACK, ATI_DMA_CAPTURE, ATI_DMA_SPDIF, NUM_ATI_DMAS }; /* DMAs */ | |
220 | enum { ATI_PCM_OUT, ATI_PCM_IN, ATI_PCM_SPDIF, NUM_ATI_PCMS }; /* AC97 pcm slots */ | |
221 | enum { ATI_PCMDEV_ANALOG, ATI_PCMDEV_DIGITAL, NUM_ATI_PCMDEVS }; /* pcm devices */ | |
222 | ||
223 | #define NUM_ATI_CODECS 3 | |
224 | ||
225 | ||
226 | /* | |
227 | * constants and callbacks for each DMA type | |
228 | */ | |
74ee4ff1 | 229 | struct atiixp_dma_ops { |
1da177e4 LT |
230 | int type; /* ATI_DMA_XXX */ |
231 | unsigned int llp_offset; /* LINKPTR offset */ | |
232 | unsigned int dt_cur; /* DT_CUR offset */ | |
74ee4ff1 TI |
233 | /* called from open callback */ |
234 | void (*enable_dma)(struct atiixp *chip, int on); | |
235 | /* called from trigger (START/STOP) */ | |
236 | void (*enable_transfer)(struct atiixp *chip, int on); | |
237 | /* called from trigger (STOP only) */ | |
238 | void (*flush_dma)(struct atiixp *chip); | |
1da177e4 LT |
239 | }; |
240 | ||
241 | /* | |
242 | * DMA stream | |
243 | */ | |
74ee4ff1 TI |
244 | struct atiixp_dma { |
245 | const struct atiixp_dma_ops *ops; | |
1da177e4 | 246 | struct snd_dma_buffer desc_buf; |
74ee4ff1 | 247 | struct snd_pcm_substream *substream; /* assigned PCM substream */ |
1da177e4 LT |
248 | unsigned int buf_addr, buf_bytes; /* DMA buffer address, bytes */ |
249 | unsigned int period_bytes, periods; | |
250 | int opened; | |
251 | int running; | |
41e4845c | 252 | int suspended; |
1da177e4 LT |
253 | int pcm_open_flag; |
254 | int ac97_pcm_type; /* index # of ac97_pcm to access, -1 = not used */ | |
255 | unsigned int saved_curptr; | |
256 | }; | |
257 | ||
258 | /* | |
259 | * ATI IXP chip | |
260 | */ | |
74ee4ff1 TI |
261 | struct atiixp { |
262 | struct snd_card *card; | |
1da177e4 LT |
263 | struct pci_dev *pci; |
264 | ||
265 | unsigned long addr; | |
266 | void __iomem *remap_addr; | |
267 | int irq; | |
268 | ||
74ee4ff1 TI |
269 | struct snd_ac97_bus *ac97_bus; |
270 | struct snd_ac97 *ac97[NUM_ATI_CODECS]; | |
1da177e4 LT |
271 | |
272 | spinlock_t reg_lock; | |
273 | ||
74ee4ff1 | 274 | struct atiixp_dma dmas[NUM_ATI_DMAS]; |
1da177e4 | 275 | struct ac97_pcm *pcms[NUM_ATI_PCMS]; |
74ee4ff1 | 276 | struct snd_pcm *pcmdevs[NUM_ATI_PCMDEVS]; |
1da177e4 LT |
277 | |
278 | int max_channels; /* max. channels for PCM out */ | |
279 | ||
280 | unsigned int codec_not_ready_bits; /* for codec detection */ | |
281 | ||
282 | int spdif_over_aclink; /* passed from the module option */ | |
62932df8 | 283 | struct mutex open_mutex; /* playback open mutex */ |
1da177e4 LT |
284 | }; |
285 | ||
286 | ||
287 | /* | |
288 | */ | |
cebe41d4 | 289 | static DEFINE_PCI_DEVICE_TABLE(snd_atiixp_ids) = { |
28d27aae JP |
290 | { PCI_VDEVICE(ATI, 0x4341), 0 }, /* SB200 */ |
291 | { PCI_VDEVICE(ATI, 0x4361), 0 }, /* SB300 */ | |
292 | { PCI_VDEVICE(ATI, 0x4370), 0 }, /* SB400 */ | |
293 | { PCI_VDEVICE(ATI, 0x4382), 0 }, /* SB600 */ | |
1da177e4 LT |
294 | { 0, } |
295 | }; | |
296 | ||
297 | MODULE_DEVICE_TABLE(pci, snd_atiixp_ids); | |
298 | ||
e23e7a14 | 299 | static struct snd_pci_quirk atiixp_quirks[] = { |
dfb12eeb | 300 | SND_PCI_QUIRK(0x105b, 0x0c81, "Foxconn RC4107MA-RS2", 0), |
f41bea84 TI |
301 | SND_PCI_QUIRK(0x15bd, 0x3100, "DFI RS482", 0), |
302 | { } /* terminator */ | |
14e1d357 | 303 | }; |
1da177e4 LT |
304 | |
305 | /* | |
306 | * lowlevel functions | |
307 | */ | |
308 | ||
309 | /* | |
310 | * update the bits of the given register. | |
311 | * return 1 if the bits changed. | |
312 | */ | |
74ee4ff1 | 313 | static int snd_atiixp_update_bits(struct atiixp *chip, unsigned int reg, |
1da177e4 LT |
314 | unsigned int mask, unsigned int value) |
315 | { | |
316 | void __iomem *addr = chip->remap_addr + reg; | |
317 | unsigned int data, old_data; | |
318 | old_data = data = readl(addr); | |
319 | data &= ~mask; | |
320 | data |= value; | |
321 | if (old_data == data) | |
322 | return 0; | |
323 | writel(data, addr); | |
324 | return 1; | |
325 | } | |
326 | ||
327 | /* | |
328 | * macros for easy use | |
329 | */ | |
330 | #define atiixp_write(chip,reg,value) \ | |
331 | writel(value, chip->remap_addr + ATI_REG_##reg) | |
332 | #define atiixp_read(chip,reg) \ | |
333 | readl(chip->remap_addr + ATI_REG_##reg) | |
334 | #define atiixp_update(chip,reg,mask,val) \ | |
335 | snd_atiixp_update_bits(chip, ATI_REG_##reg, mask, val) | |
336 | ||
1da177e4 LT |
337 | /* |
338 | * handling DMA packets | |
339 | * | |
340 | * we allocate a linear buffer for the DMA, and split it to each packet. | |
341 | * in a future version, a scatter-gather buffer should be implemented. | |
342 | */ | |
343 | ||
344 | #define ATI_DESC_LIST_SIZE \ | |
74ee4ff1 | 345 | PAGE_ALIGN(ATI_MAX_DESCRIPTORS * sizeof(struct atiixp_dma_desc)) |
1da177e4 LT |
346 | |
347 | /* | |
348 | * build packets ring for the given buffer size. | |
349 | * | |
350 | * IXP handles the buffer descriptors, which are connected as a linked | |
351 | * list. although we can change the list dynamically, in this version, | |
352 | * a static RING of buffer descriptors is used. | |
353 | * | |
354 | * the ring is built in this function, and is set up to the hardware. | |
355 | */ | |
74ee4ff1 TI |
356 | static int atiixp_build_dma_packets(struct atiixp *chip, struct atiixp_dma *dma, |
357 | struct snd_pcm_substream *substream, | |
358 | unsigned int periods, | |
359 | unsigned int period_bytes) | |
1da177e4 LT |
360 | { |
361 | unsigned int i; | |
362 | u32 addr, desc_addr; | |
363 | unsigned long flags; | |
364 | ||
365 | if (periods > ATI_MAX_DESCRIPTORS) | |
366 | return -ENOMEM; | |
367 | ||
368 | if (dma->desc_buf.area == NULL) { | |
74ee4ff1 TI |
369 | if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, |
370 | snd_dma_pci_data(chip->pci), | |
371 | ATI_DESC_LIST_SIZE, | |
372 | &dma->desc_buf) < 0) | |
1da177e4 LT |
373 | return -ENOMEM; |
374 | dma->period_bytes = dma->periods = 0; /* clear */ | |
375 | } | |
376 | ||
377 | if (dma->periods == periods && dma->period_bytes == period_bytes) | |
378 | return 0; | |
379 | ||
380 | /* reset DMA before changing the descriptor table */ | |
381 | spin_lock_irqsave(&chip->reg_lock, flags); | |
382 | writel(0, chip->remap_addr + dma->ops->llp_offset); | |
383 | dma->ops->enable_dma(chip, 0); | |
384 | dma->ops->enable_dma(chip, 1); | |
385 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
386 | ||
387 | /* fill the entries */ | |
388 | addr = (u32)substream->runtime->dma_addr; | |
389 | desc_addr = (u32)dma->desc_buf.addr; | |
390 | for (i = 0; i < periods; i++) { | |
74ee4ff1 TI |
391 | struct atiixp_dma_desc *desc; |
392 | desc = &((struct atiixp_dma_desc *)dma->desc_buf.area)[i]; | |
1da177e4 LT |
393 | desc->addr = cpu_to_le32(addr); |
394 | desc->status = 0; | |
395 | desc->size = period_bytes >> 2; /* in dwords */ | |
74ee4ff1 | 396 | desc_addr += sizeof(struct atiixp_dma_desc); |
1da177e4 LT |
397 | if (i == periods - 1) |
398 | desc->next = cpu_to_le32((u32)dma->desc_buf.addr); | |
399 | else | |
400 | desc->next = cpu_to_le32(desc_addr); | |
401 | addr += period_bytes; | |
402 | } | |
403 | ||
404 | writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN, | |
405 | chip->remap_addr + dma->ops->llp_offset); | |
406 | ||
407 | dma->period_bytes = period_bytes; | |
408 | dma->periods = periods; | |
409 | ||
410 | return 0; | |
411 | } | |
412 | ||
413 | /* | |
414 | * remove the ring buffer and release it if assigned | |
415 | */ | |
74ee4ff1 TI |
416 | static void atiixp_clear_dma_packets(struct atiixp *chip, struct atiixp_dma *dma, |
417 | struct snd_pcm_substream *substream) | |
1da177e4 LT |
418 | { |
419 | if (dma->desc_buf.area) { | |
420 | writel(0, chip->remap_addr + dma->ops->llp_offset); | |
421 | snd_dma_free_pages(&dma->desc_buf); | |
422 | dma->desc_buf.area = NULL; | |
423 | } | |
424 | } | |
425 | ||
426 | /* | |
427 | * AC97 interface | |
428 | */ | |
74ee4ff1 | 429 | static int snd_atiixp_acquire_codec(struct atiixp *chip) |
1da177e4 LT |
430 | { |
431 | int timeout = 1000; | |
432 | ||
433 | while (atiixp_read(chip, PHYS_OUT_ADDR) & ATI_REG_PHYS_OUT_ADDR_EN) { | |
434 | if (! timeout--) { | |
435 | snd_printk(KERN_WARNING "atiixp: codec acquire timeout\n"); | |
436 | return -EBUSY; | |
437 | } | |
438 | udelay(1); | |
439 | } | |
440 | return 0; | |
441 | } | |
442 | ||
74ee4ff1 | 443 | static unsigned short snd_atiixp_codec_read(struct atiixp *chip, unsigned short codec, unsigned short reg) |
1da177e4 LT |
444 | { |
445 | unsigned int data; | |
446 | int timeout; | |
447 | ||
448 | if (snd_atiixp_acquire_codec(chip) < 0) | |
449 | return 0xffff; | |
450 | data = (reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) | | |
451 | ATI_REG_PHYS_OUT_ADDR_EN | | |
452 | ATI_REG_PHYS_OUT_RW | | |
453 | codec; | |
454 | atiixp_write(chip, PHYS_OUT_ADDR, data); | |
455 | if (snd_atiixp_acquire_codec(chip) < 0) | |
456 | return 0xffff; | |
457 | timeout = 1000; | |
458 | do { | |
459 | data = atiixp_read(chip, PHYS_IN_ADDR); | |
460 | if (data & ATI_REG_PHYS_IN_READ_FLAG) | |
461 | return data >> ATI_REG_PHYS_IN_DATA_SHIFT; | |
462 | udelay(1); | |
463 | } while (--timeout); | |
464 | /* time out may happen during reset */ | |
465 | if (reg < 0x7c) | |
466 | snd_printk(KERN_WARNING "atiixp: codec read timeout (reg %x)\n", reg); | |
467 | return 0xffff; | |
468 | } | |
469 | ||
470 | ||
74ee4ff1 TI |
471 | static void snd_atiixp_codec_write(struct atiixp *chip, unsigned short codec, |
472 | unsigned short reg, unsigned short val) | |
1da177e4 LT |
473 | { |
474 | unsigned int data; | |
475 | ||
476 | if (snd_atiixp_acquire_codec(chip) < 0) | |
477 | return; | |
478 | data = ((unsigned int)val << ATI_REG_PHYS_OUT_DATA_SHIFT) | | |
479 | ((unsigned int)reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) | | |
480 | ATI_REG_PHYS_OUT_ADDR_EN | codec; | |
481 | atiixp_write(chip, PHYS_OUT_ADDR, data); | |
482 | } | |
483 | ||
484 | ||
74ee4ff1 TI |
485 | static unsigned short snd_atiixp_ac97_read(struct snd_ac97 *ac97, |
486 | unsigned short reg) | |
1da177e4 | 487 | { |
74ee4ff1 | 488 | struct atiixp *chip = ac97->private_data; |
1da177e4 LT |
489 | return snd_atiixp_codec_read(chip, ac97->num, reg); |
490 | ||
491 | } | |
492 | ||
74ee4ff1 TI |
493 | static void snd_atiixp_ac97_write(struct snd_ac97 *ac97, unsigned short reg, |
494 | unsigned short val) | |
1da177e4 | 495 | { |
74ee4ff1 | 496 | struct atiixp *chip = ac97->private_data; |
1da177e4 LT |
497 | snd_atiixp_codec_write(chip, ac97->num, reg, val); |
498 | } | |
499 | ||
500 | /* | |
501 | * reset AC link | |
502 | */ | |
74ee4ff1 | 503 | static int snd_atiixp_aclink_reset(struct atiixp *chip) |
1da177e4 LT |
504 | { |
505 | int timeout; | |
506 | ||
507 | /* reset powerdoewn */ | |
508 | if (atiixp_update(chip, CMD, ATI_REG_CMD_POWERDOWN, 0)) | |
509 | udelay(10); | |
510 | ||
511 | /* perform a software reset */ | |
512 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, ATI_REG_CMD_AC_SOFT_RESET); | |
513 | atiixp_read(chip, CMD); | |
514 | udelay(10); | |
515 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, 0); | |
516 | ||
517 | timeout = 10; | |
518 | while (! (atiixp_read(chip, CMD) & ATI_REG_CMD_ACLINK_ACTIVE)) { | |
519 | /* do a hard reset */ | |
520 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET, | |
521 | ATI_REG_CMD_AC_SYNC); | |
522 | atiixp_read(chip, CMD); | |
74ee4ff1 | 523 | mdelay(1); |
1da177e4 | 524 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_RESET, ATI_REG_CMD_AC_RESET); |
7e79443c | 525 | if (!--timeout) { |
1da177e4 LT |
526 | snd_printk(KERN_ERR "atiixp: codec reset timeout\n"); |
527 | break; | |
528 | } | |
529 | } | |
530 | ||
531 | /* deassert RESET and assert SYNC to make sure */ | |
532 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET, | |
533 | ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET); | |
534 | ||
535 | return 0; | |
536 | } | |
537 | ||
c7561cd8 | 538 | #ifdef CONFIG_PM_SLEEP |
74ee4ff1 | 539 | static int snd_atiixp_aclink_down(struct atiixp *chip) |
1da177e4 LT |
540 | { |
541 | // if (atiixp_read(chip, MODEM_MIRROR) & 0x1) /* modem running, too? */ | |
542 | // return -EBUSY; | |
543 | atiixp_update(chip, CMD, | |
544 | ATI_REG_CMD_POWERDOWN | ATI_REG_CMD_AC_RESET, | |
545 | ATI_REG_CMD_POWERDOWN); | |
546 | return 0; | |
547 | } | |
548 | #endif | |
549 | ||
550 | /* | |
551 | * auto-detection of codecs | |
552 | * | |
553 | * the IXP chip can generate interrupts for the non-existing codecs. | |
554 | * NEW_FRAME interrupt is used to make sure that the interrupt is generated | |
555 | * even if all three codecs are connected. | |
556 | */ | |
557 | ||
558 | #define ALL_CODEC_NOT_READY \ | |
559 | (ATI_REG_ISR_CODEC0_NOT_READY |\ | |
560 | ATI_REG_ISR_CODEC1_NOT_READY |\ | |
561 | ATI_REG_ISR_CODEC2_NOT_READY) | |
562 | #define CODEC_CHECK_BITS (ALL_CODEC_NOT_READY|ATI_REG_ISR_NEW_FRAME) | |
563 | ||
e23e7a14 | 564 | static int ac97_probing_bugs(struct pci_dev *pci) |
14e1d357 | 565 | { |
f41bea84 TI |
566 | const struct snd_pci_quirk *q; |
567 | ||
568 | q = snd_pci_quirk_lookup(pci, atiixp_quirks); | |
569 | if (q) { | |
86b27237 TI |
570 | snd_printdd(KERN_INFO |
571 | "Atiixp quirk for %s. Forcing codec %d\n", | |
572 | snd_pci_quirk_name(q), q->value); | |
f41bea84 | 573 | return q->value; |
14e1d357 DC |
574 | } |
575 | /* this hardware doesn't need workarounds. Probe for codec */ | |
576 | return -1; | |
577 | } | |
578 | ||
e23e7a14 | 579 | static int snd_atiixp_codec_detect(struct atiixp *chip) |
1da177e4 LT |
580 | { |
581 | int timeout; | |
582 | ||
583 | chip->codec_not_ready_bits = 0; | |
14e1d357 DC |
584 | if (ac97_codec == -1) |
585 | ac97_codec = ac97_probing_bugs(chip->pci); | |
586 | if (ac97_codec >= 0) { | |
587 | chip->codec_not_ready_bits |= | |
588 | CODEC_CHECK_BITS ^ (1 << (ac97_codec + 10)); | |
589 | return 0; | |
590 | } | |
591 | ||
1da177e4 LT |
592 | atiixp_write(chip, IER, CODEC_CHECK_BITS); |
593 | /* wait for the interrupts */ | |
bfdcbace | 594 | timeout = 50; |
1da177e4 | 595 | while (timeout-- > 0) { |
74ee4ff1 | 596 | mdelay(1); |
1da177e4 LT |
597 | if (chip->codec_not_ready_bits) |
598 | break; | |
599 | } | |
600 | atiixp_write(chip, IER, 0); /* disable irqs */ | |
601 | ||
602 | if ((chip->codec_not_ready_bits & ALL_CODEC_NOT_READY) == ALL_CODEC_NOT_READY) { | |
603 | snd_printk(KERN_ERR "atiixp: no codec detected!\n"); | |
604 | return -ENXIO; | |
605 | } | |
606 | return 0; | |
607 | } | |
608 | ||
609 | ||
610 | /* | |
611 | * enable DMA and irqs | |
612 | */ | |
74ee4ff1 | 613 | static int snd_atiixp_chip_start(struct atiixp *chip) |
1da177e4 LT |
614 | { |
615 | unsigned int reg; | |
616 | ||
617 | /* set up spdif, enable burst mode */ | |
618 | reg = atiixp_read(chip, CMD); | |
619 | reg |= 0x02 << ATI_REG_CMD_SPDF_THRESHOLD_SHIFT; | |
620 | reg |= ATI_REG_CMD_BURST_EN; | |
621 | atiixp_write(chip, CMD, reg); | |
622 | ||
623 | reg = atiixp_read(chip, SPDF_CMD); | |
624 | reg &= ~(ATI_REG_SPDF_CMD_LFSR|ATI_REG_SPDF_CMD_SINGLE_CH); | |
625 | atiixp_write(chip, SPDF_CMD, reg); | |
626 | ||
627 | /* clear all interrupt source */ | |
628 | atiixp_write(chip, ISR, 0xffffffff); | |
629 | /* enable irqs */ | |
630 | atiixp_write(chip, IER, | |
631 | ATI_REG_IER_IO_STATUS_EN | | |
632 | ATI_REG_IER_IN_XRUN_EN | | |
633 | ATI_REG_IER_OUT_XRUN_EN | | |
634 | ATI_REG_IER_SPDF_XRUN_EN | | |
635 | ATI_REG_IER_SPDF_STATUS_EN); | |
636 | return 0; | |
637 | } | |
638 | ||
639 | ||
640 | /* | |
641 | * disable DMA and IRQs | |
642 | */ | |
74ee4ff1 | 643 | static int snd_atiixp_chip_stop(struct atiixp *chip) |
1da177e4 LT |
644 | { |
645 | /* clear interrupt source */ | |
646 | atiixp_write(chip, ISR, atiixp_read(chip, ISR)); | |
647 | /* disable irqs */ | |
648 | atiixp_write(chip, IER, 0); | |
649 | return 0; | |
650 | } | |
651 | ||
652 | ||
653 | /* | |
654 | * PCM section | |
655 | */ | |
656 | ||
657 | /* | |
658 | * pointer callback simplly reads XXX_DMA_DT_CUR register as the current | |
659 | * position. when SG-buffer is implemented, the offset must be calculated | |
660 | * correctly... | |
661 | */ | |
74ee4ff1 | 662 | static snd_pcm_uframes_t snd_atiixp_pcm_pointer(struct snd_pcm_substream *substream) |
1da177e4 | 663 | { |
74ee4ff1 TI |
664 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
665 | struct snd_pcm_runtime *runtime = substream->runtime; | |
666 | struct atiixp_dma *dma = runtime->private_data; | |
1da177e4 LT |
667 | unsigned int curptr; |
668 | int timeout = 1000; | |
669 | ||
670 | while (timeout--) { | |
671 | curptr = readl(chip->remap_addr + dma->ops->dt_cur); | |
672 | if (curptr < dma->buf_addr) | |
673 | continue; | |
674 | curptr -= dma->buf_addr; | |
675 | if (curptr >= dma->buf_bytes) | |
676 | continue; | |
677 | return bytes_to_frames(runtime, curptr); | |
678 | } | |
679 | snd_printd("atiixp: invalid DMA pointer read 0x%x (buf=%x)\n", | |
680 | readl(chip->remap_addr + dma->ops->dt_cur), dma->buf_addr); | |
681 | return 0; | |
682 | } | |
683 | ||
684 | /* | |
685 | * XRUN detected, and stop the PCM substream | |
686 | */ | |
74ee4ff1 | 687 | static void snd_atiixp_xrun_dma(struct atiixp *chip, struct atiixp_dma *dma) |
1da177e4 LT |
688 | { |
689 | if (! dma->substream || ! dma->running) | |
690 | return; | |
691 | snd_printdd("atiixp: XRUN detected (DMA %d)\n", dma->ops->type); | |
cc7282b8 | 692 | snd_pcm_stream_lock(dma->substream); |
1da177e4 | 693 | snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN); |
cc7282b8 | 694 | snd_pcm_stream_unlock(dma->substream); |
1da177e4 LT |
695 | } |
696 | ||
697 | /* | |
698 | * the period ack. update the substream. | |
699 | */ | |
74ee4ff1 | 700 | static void snd_atiixp_update_dma(struct atiixp *chip, struct atiixp_dma *dma) |
1da177e4 LT |
701 | { |
702 | if (! dma->substream || ! dma->running) | |
703 | return; | |
704 | snd_pcm_period_elapsed(dma->substream); | |
705 | } | |
706 | ||
707 | /* set BUS_BUSY interrupt bit if any DMA is running */ | |
708 | /* call with spinlock held */ | |
74ee4ff1 | 709 | static void snd_atiixp_check_bus_busy(struct atiixp *chip) |
1da177e4 LT |
710 | { |
711 | unsigned int bus_busy; | |
712 | if (atiixp_read(chip, CMD) & (ATI_REG_CMD_SEND_EN | | |
713 | ATI_REG_CMD_RECEIVE_EN | | |
714 | ATI_REG_CMD_SPDF_OUT_EN)) | |
715 | bus_busy = ATI_REG_IER_SET_BUS_BUSY; | |
716 | else | |
717 | bus_busy = 0; | |
718 | atiixp_update(chip, IER, ATI_REG_IER_SET_BUS_BUSY, bus_busy); | |
719 | } | |
720 | ||
721 | /* common trigger callback | |
722 | * calling the lowlevel callbacks in it | |
723 | */ | |
74ee4ff1 | 724 | static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
1da177e4 | 725 | { |
74ee4ff1 TI |
726 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
727 | struct atiixp_dma *dma = substream->runtime->private_data; | |
1da177e4 LT |
728 | int err = 0; |
729 | ||
da3cec35 TI |
730 | if (snd_BUG_ON(!dma->ops->enable_transfer || |
731 | !dma->ops->flush_dma)) | |
732 | return -EINVAL; | |
1da177e4 LT |
733 | |
734 | spin_lock(&chip->reg_lock); | |
735 | switch (cmd) { | |
736 | case SNDRV_PCM_TRIGGER_START: | |
41e4845c JK |
737 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
738 | case SNDRV_PCM_TRIGGER_RESUME: | |
1da177e4 LT |
739 | dma->ops->enable_transfer(chip, 1); |
740 | dma->running = 1; | |
41e4845c | 741 | dma->suspended = 0; |
1da177e4 LT |
742 | break; |
743 | case SNDRV_PCM_TRIGGER_STOP: | |
41e4845c JK |
744 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
745 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
1da177e4 LT |
746 | dma->ops->enable_transfer(chip, 0); |
747 | dma->running = 0; | |
41e4845c | 748 | dma->suspended = cmd == SNDRV_PCM_TRIGGER_SUSPEND; |
1da177e4 LT |
749 | break; |
750 | default: | |
751 | err = -EINVAL; | |
752 | break; | |
753 | } | |
754 | if (! err) { | |
755 | snd_atiixp_check_bus_busy(chip); | |
756 | if (cmd == SNDRV_PCM_TRIGGER_STOP) { | |
757 | dma->ops->flush_dma(chip); | |
758 | snd_atiixp_check_bus_busy(chip); | |
759 | } | |
760 | } | |
761 | spin_unlock(&chip->reg_lock); | |
762 | return err; | |
763 | } | |
764 | ||
765 | ||
766 | /* | |
767 | * lowlevel callbacks for each DMA type | |
768 | * | |
769 | * every callback is supposed to be called in chip->reg_lock spinlock | |
770 | */ | |
771 | ||
772 | /* flush FIFO of analog OUT DMA */ | |
74ee4ff1 | 773 | static void atiixp_out_flush_dma(struct atiixp *chip) |
1da177e4 LT |
774 | { |
775 | atiixp_write(chip, FIFO_FLUSH, ATI_REG_FIFO_OUT_FLUSH); | |
776 | } | |
777 | ||
778 | /* enable/disable analog OUT DMA */ | |
74ee4ff1 | 779 | static void atiixp_out_enable_dma(struct atiixp *chip, int on) |
1da177e4 LT |
780 | { |
781 | unsigned int data; | |
782 | data = atiixp_read(chip, CMD); | |
783 | if (on) { | |
784 | if (data & ATI_REG_CMD_OUT_DMA_EN) | |
785 | return; | |
786 | atiixp_out_flush_dma(chip); | |
787 | data |= ATI_REG_CMD_OUT_DMA_EN; | |
788 | } else | |
789 | data &= ~ATI_REG_CMD_OUT_DMA_EN; | |
790 | atiixp_write(chip, CMD, data); | |
791 | } | |
792 | ||
793 | /* start/stop transfer over OUT DMA */ | |
74ee4ff1 | 794 | static void atiixp_out_enable_transfer(struct atiixp *chip, int on) |
1da177e4 LT |
795 | { |
796 | atiixp_update(chip, CMD, ATI_REG_CMD_SEND_EN, | |
797 | on ? ATI_REG_CMD_SEND_EN : 0); | |
798 | } | |
799 | ||
800 | /* enable/disable analog IN DMA */ | |
74ee4ff1 | 801 | static void atiixp_in_enable_dma(struct atiixp *chip, int on) |
1da177e4 LT |
802 | { |
803 | atiixp_update(chip, CMD, ATI_REG_CMD_IN_DMA_EN, | |
804 | on ? ATI_REG_CMD_IN_DMA_EN : 0); | |
805 | } | |
806 | ||
807 | /* start/stop analog IN DMA */ | |
74ee4ff1 | 808 | static void atiixp_in_enable_transfer(struct atiixp *chip, int on) |
1da177e4 LT |
809 | { |
810 | if (on) { | |
811 | unsigned int data = atiixp_read(chip, CMD); | |
812 | if (! (data & ATI_REG_CMD_RECEIVE_EN)) { | |
813 | data |= ATI_REG_CMD_RECEIVE_EN; | |
814 | #if 0 /* FIXME: this causes the endless loop */ | |
815 | /* wait until slot 3/4 are finished */ | |
816 | while ((atiixp_read(chip, COUNTER) & | |
817 | ATI_REG_COUNTER_SLOT) != 5) | |
818 | ; | |
819 | #endif | |
820 | atiixp_write(chip, CMD, data); | |
821 | } | |
822 | } else | |
823 | atiixp_update(chip, CMD, ATI_REG_CMD_RECEIVE_EN, 0); | |
824 | } | |
825 | ||
826 | /* flush FIFO of analog IN DMA */ | |
74ee4ff1 | 827 | static void atiixp_in_flush_dma(struct atiixp *chip) |
1da177e4 LT |
828 | { |
829 | atiixp_write(chip, FIFO_FLUSH, ATI_REG_FIFO_IN_FLUSH); | |
830 | } | |
831 | ||
832 | /* enable/disable SPDIF OUT DMA */ | |
74ee4ff1 | 833 | static void atiixp_spdif_enable_dma(struct atiixp *chip, int on) |
1da177e4 LT |
834 | { |
835 | atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_DMA_EN, | |
836 | on ? ATI_REG_CMD_SPDF_DMA_EN : 0); | |
837 | } | |
838 | ||
839 | /* start/stop SPDIF OUT DMA */ | |
74ee4ff1 | 840 | static void atiixp_spdif_enable_transfer(struct atiixp *chip, int on) |
1da177e4 LT |
841 | { |
842 | unsigned int data; | |
843 | data = atiixp_read(chip, CMD); | |
844 | if (on) | |
845 | data |= ATI_REG_CMD_SPDF_OUT_EN; | |
846 | else | |
847 | data &= ~ATI_REG_CMD_SPDF_OUT_EN; | |
848 | atiixp_write(chip, CMD, data); | |
849 | } | |
850 | ||
851 | /* flush FIFO of SPDIF OUT DMA */ | |
74ee4ff1 | 852 | static void atiixp_spdif_flush_dma(struct atiixp *chip) |
1da177e4 LT |
853 | { |
854 | int timeout; | |
855 | ||
856 | /* DMA off, transfer on */ | |
857 | atiixp_spdif_enable_dma(chip, 0); | |
858 | atiixp_spdif_enable_transfer(chip, 1); | |
859 | ||
860 | timeout = 100; | |
861 | do { | |
862 | if (! (atiixp_read(chip, SPDF_DMA_DT_SIZE) & ATI_REG_DMA_FIFO_USED)) | |
863 | break; | |
864 | udelay(1); | |
865 | } while (timeout-- > 0); | |
866 | ||
867 | atiixp_spdif_enable_transfer(chip, 0); | |
868 | } | |
869 | ||
870 | /* set up slots and formats for SPDIF OUT */ | |
74ee4ff1 | 871 | static int snd_atiixp_spdif_prepare(struct snd_pcm_substream *substream) |
1da177e4 | 872 | { |
74ee4ff1 | 873 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
874 | |
875 | spin_lock_irq(&chip->reg_lock); | |
876 | if (chip->spdif_over_aclink) { | |
877 | unsigned int data; | |
878 | /* enable slots 10/11 */ | |
879 | atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_CONFIG_MASK, | |
880 | ATI_REG_CMD_SPDF_CONFIG_01); | |
881 | data = atiixp_read(chip, OUT_DMA_SLOT) & ~ATI_REG_OUT_DMA_SLOT_MASK; | |
882 | data |= ATI_REG_OUT_DMA_SLOT_BIT(10) | | |
883 | ATI_REG_OUT_DMA_SLOT_BIT(11); | |
884 | data |= 0x04 << ATI_REG_OUT_DMA_THRESHOLD_SHIFT; | |
885 | atiixp_write(chip, OUT_DMA_SLOT, data); | |
886 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_OUT, | |
887 | substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? | |
888 | ATI_REG_CMD_INTERLEAVE_OUT : 0); | |
889 | } else { | |
890 | atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_CONFIG_MASK, 0); | |
891 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_SPDF, 0); | |
892 | } | |
893 | spin_unlock_irq(&chip->reg_lock); | |
894 | return 0; | |
895 | } | |
896 | ||
897 | /* set up slots and formats for analog OUT */ | |
74ee4ff1 | 898 | static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream) |
1da177e4 | 899 | { |
74ee4ff1 | 900 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
901 | unsigned int data; |
902 | ||
903 | spin_lock_irq(&chip->reg_lock); | |
904 | data = atiixp_read(chip, OUT_DMA_SLOT) & ~ATI_REG_OUT_DMA_SLOT_MASK; | |
905 | switch (substream->runtime->channels) { | |
906 | case 8: | |
907 | data |= ATI_REG_OUT_DMA_SLOT_BIT(10) | | |
908 | ATI_REG_OUT_DMA_SLOT_BIT(11); | |
909 | /* fallthru */ | |
910 | case 6: | |
911 | data |= ATI_REG_OUT_DMA_SLOT_BIT(7) | | |
912 | ATI_REG_OUT_DMA_SLOT_BIT(8); | |
913 | /* fallthru */ | |
914 | case 4: | |
915 | data |= ATI_REG_OUT_DMA_SLOT_BIT(6) | | |
916 | ATI_REG_OUT_DMA_SLOT_BIT(9); | |
917 | /* fallthru */ | |
918 | default: | |
919 | data |= ATI_REG_OUT_DMA_SLOT_BIT(3) | | |
920 | ATI_REG_OUT_DMA_SLOT_BIT(4); | |
921 | break; | |
922 | } | |
923 | ||
924 | /* set output threshold */ | |
925 | data |= 0x04 << ATI_REG_OUT_DMA_THRESHOLD_SHIFT; | |
926 | atiixp_write(chip, OUT_DMA_SLOT, data); | |
927 | ||
928 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_OUT, | |
929 | substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? | |
930 | ATI_REG_CMD_INTERLEAVE_OUT : 0); | |
931 | ||
932 | /* | |
933 | * enable 6 channel re-ordering bit if needed | |
934 | */ | |
935 | atiixp_update(chip, 6CH_REORDER, ATI_REG_6CH_REORDER_EN, | |
936 | substream->runtime->channels >= 6 ? ATI_REG_6CH_REORDER_EN: 0); | |
937 | ||
938 | spin_unlock_irq(&chip->reg_lock); | |
939 | return 0; | |
940 | } | |
941 | ||
942 | /* set up slots and formats for analog IN */ | |
74ee4ff1 | 943 | static int snd_atiixp_capture_prepare(struct snd_pcm_substream *substream) |
1da177e4 | 944 | { |
74ee4ff1 | 945 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
946 | |
947 | spin_lock_irq(&chip->reg_lock); | |
948 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_IN, | |
949 | substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? | |
950 | ATI_REG_CMD_INTERLEAVE_IN : 0); | |
951 | spin_unlock_irq(&chip->reg_lock); | |
952 | return 0; | |
953 | } | |
954 | ||
955 | /* | |
956 | * hw_params - allocate the buffer and set up buffer descriptors | |
957 | */ | |
74ee4ff1 TI |
958 | static int snd_atiixp_pcm_hw_params(struct snd_pcm_substream *substream, |
959 | struct snd_pcm_hw_params *hw_params) | |
1da177e4 | 960 | { |
74ee4ff1 TI |
961 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
962 | struct atiixp_dma *dma = substream->runtime->private_data; | |
1da177e4 LT |
963 | int err; |
964 | ||
965 | err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); | |
966 | if (err < 0) | |
967 | return err; | |
968 | dma->buf_addr = substream->runtime->dma_addr; | |
969 | dma->buf_bytes = params_buffer_bytes(hw_params); | |
970 | ||
971 | err = atiixp_build_dma_packets(chip, dma, substream, | |
972 | params_periods(hw_params), | |
973 | params_period_bytes(hw_params)); | |
974 | if (err < 0) | |
975 | return err; | |
976 | ||
977 | if (dma->ac97_pcm_type >= 0) { | |
978 | struct ac97_pcm *pcm = chip->pcms[dma->ac97_pcm_type]; | |
979 | /* PCM is bound to AC97 codec(s) | |
980 | * set up the AC97 codecs | |
981 | */ | |
982 | if (dma->pcm_open_flag) { | |
983 | snd_ac97_pcm_close(pcm); | |
984 | dma->pcm_open_flag = 0; | |
985 | } | |
986 | err = snd_ac97_pcm_open(pcm, params_rate(hw_params), | |
987 | params_channels(hw_params), | |
988 | pcm->r[0].slots); | |
989 | if (err >= 0) | |
990 | dma->pcm_open_flag = 1; | |
991 | } | |
992 | ||
993 | return err; | |
994 | } | |
995 | ||
74ee4ff1 | 996 | static int snd_atiixp_pcm_hw_free(struct snd_pcm_substream *substream) |
1da177e4 | 997 | { |
74ee4ff1 TI |
998 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
999 | struct atiixp_dma *dma = substream->runtime->private_data; | |
1da177e4 LT |
1000 | |
1001 | if (dma->pcm_open_flag) { | |
1002 | struct ac97_pcm *pcm = chip->pcms[dma->ac97_pcm_type]; | |
1003 | snd_ac97_pcm_close(pcm); | |
1004 | dma->pcm_open_flag = 0; | |
1005 | } | |
1006 | atiixp_clear_dma_packets(chip, dma, substream); | |
1007 | snd_pcm_lib_free_pages(substream); | |
1008 | return 0; | |
1009 | } | |
1010 | ||
1011 | ||
1012 | /* | |
1013 | * pcm hardware definition, identical for all DMA types | |
1014 | */ | |
74ee4ff1 | 1015 | static struct snd_pcm_hardware snd_atiixp_pcm_hw = |
1da177e4 LT |
1016 | { |
1017 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | |
1018 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
41e4845c | 1019 | SNDRV_PCM_INFO_PAUSE | |
1da177e4 LT |
1020 | SNDRV_PCM_INFO_RESUME | |
1021 | SNDRV_PCM_INFO_MMAP_VALID), | |
1022 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, | |
1023 | .rates = SNDRV_PCM_RATE_48000, | |
1024 | .rate_min = 48000, | |
1025 | .rate_max = 48000, | |
1026 | .channels_min = 2, | |
1027 | .channels_max = 2, | |
1028 | .buffer_bytes_max = 256 * 1024, | |
1029 | .period_bytes_min = 32, | |
1030 | .period_bytes_max = 128 * 1024, | |
1031 | .periods_min = 2, | |
1032 | .periods_max = ATI_MAX_DESCRIPTORS, | |
1033 | }; | |
1034 | ||
74ee4ff1 TI |
1035 | static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream, |
1036 | struct atiixp_dma *dma, int pcm_type) | |
1da177e4 | 1037 | { |
74ee4ff1 TI |
1038 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1039 | struct snd_pcm_runtime *runtime = substream->runtime; | |
1da177e4 LT |
1040 | int err; |
1041 | ||
da3cec35 TI |
1042 | if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) |
1043 | return -EINVAL; | |
1da177e4 LT |
1044 | |
1045 | if (dma->opened) | |
1046 | return -EBUSY; | |
1047 | dma->substream = substream; | |
1048 | runtime->hw = snd_atiixp_pcm_hw; | |
1049 | dma->ac97_pcm_type = pcm_type; | |
1050 | if (pcm_type >= 0) { | |
1051 | runtime->hw.rates = chip->pcms[pcm_type]->rates; | |
1052 | snd_pcm_limit_hw_rates(runtime); | |
1053 | } else { | |
1054 | /* direct SPDIF */ | |
1055 | runtime->hw.formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE; | |
1056 | } | |
1057 | if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) | |
1058 | return err; | |
1059 | runtime->private_data = dma; | |
1060 | ||
1061 | /* enable DMA bits */ | |
1062 | spin_lock_irq(&chip->reg_lock); | |
1063 | dma->ops->enable_dma(chip, 1); | |
1064 | spin_unlock_irq(&chip->reg_lock); | |
1065 | dma->opened = 1; | |
1066 | ||
1067 | return 0; | |
1068 | } | |
1069 | ||
74ee4ff1 TI |
1070 | static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream, |
1071 | struct atiixp_dma *dma) | |
1da177e4 | 1072 | { |
74ee4ff1 | 1073 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 | 1074 | /* disable DMA bits */ |
da3cec35 TI |
1075 | if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) |
1076 | return -EINVAL; | |
1da177e4 LT |
1077 | spin_lock_irq(&chip->reg_lock); |
1078 | dma->ops->enable_dma(chip, 0); | |
1079 | spin_unlock_irq(&chip->reg_lock); | |
1080 | dma->substream = NULL; | |
1081 | dma->opened = 0; | |
1082 | return 0; | |
1083 | } | |
1084 | ||
1085 | /* | |
1086 | */ | |
74ee4ff1 | 1087 | static int snd_atiixp_playback_open(struct snd_pcm_substream *substream) |
1da177e4 | 1088 | { |
74ee4ff1 | 1089 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
1090 | int err; |
1091 | ||
62932df8 | 1092 | mutex_lock(&chip->open_mutex); |
1da177e4 | 1093 | err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 0); |
62932df8 | 1094 | mutex_unlock(&chip->open_mutex); |
1da177e4 LT |
1095 | if (err < 0) |
1096 | return err; | |
1097 | substream->runtime->hw.channels_max = chip->max_channels; | |
1098 | if (chip->max_channels > 2) | |
1099 | /* channels must be even */ | |
1100 | snd_pcm_hw_constraint_step(substream->runtime, 0, | |
1101 | SNDRV_PCM_HW_PARAM_CHANNELS, 2); | |
1102 | return 0; | |
1103 | } | |
1104 | ||
74ee4ff1 | 1105 | static int snd_atiixp_playback_close(struct snd_pcm_substream *substream) |
1da177e4 | 1106 | { |
74ee4ff1 | 1107 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 | 1108 | int err; |
62932df8 | 1109 | mutex_lock(&chip->open_mutex); |
1da177e4 | 1110 | err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); |
62932df8 | 1111 | mutex_unlock(&chip->open_mutex); |
1da177e4 LT |
1112 | return err; |
1113 | } | |
1114 | ||
74ee4ff1 | 1115 | static int snd_atiixp_capture_open(struct snd_pcm_substream *substream) |
1da177e4 | 1116 | { |
74ee4ff1 | 1117 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
1118 | return snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_CAPTURE], 1); |
1119 | } | |
1120 | ||
74ee4ff1 | 1121 | static int snd_atiixp_capture_close(struct snd_pcm_substream *substream) |
1da177e4 | 1122 | { |
74ee4ff1 | 1123 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
1124 | return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_CAPTURE]); |
1125 | } | |
1126 | ||
74ee4ff1 | 1127 | static int snd_atiixp_spdif_open(struct snd_pcm_substream *substream) |
1da177e4 | 1128 | { |
74ee4ff1 | 1129 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 | 1130 | int err; |
62932df8 | 1131 | mutex_lock(&chip->open_mutex); |
1da177e4 LT |
1132 | if (chip->spdif_over_aclink) /* share DMA_PLAYBACK */ |
1133 | err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 2); | |
1134 | else | |
1135 | err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_SPDIF], -1); | |
62932df8 | 1136 | mutex_unlock(&chip->open_mutex); |
1da177e4 LT |
1137 | return err; |
1138 | } | |
1139 | ||
74ee4ff1 | 1140 | static int snd_atiixp_spdif_close(struct snd_pcm_substream *substream) |
1da177e4 | 1141 | { |
74ee4ff1 | 1142 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
1da177e4 | 1143 | int err; |
62932df8 | 1144 | mutex_lock(&chip->open_mutex); |
1da177e4 LT |
1145 | if (chip->spdif_over_aclink) |
1146 | err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); | |
1147 | else | |
1148 | err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_SPDIF]); | |
62932df8 | 1149 | mutex_unlock(&chip->open_mutex); |
1da177e4 LT |
1150 | return err; |
1151 | } | |
1152 | ||
1153 | /* AC97 playback */ | |
74ee4ff1 | 1154 | static struct snd_pcm_ops snd_atiixp_playback_ops = { |
1da177e4 LT |
1155 | .open = snd_atiixp_playback_open, |
1156 | .close = snd_atiixp_playback_close, | |
1157 | .ioctl = snd_pcm_lib_ioctl, | |
1158 | .hw_params = snd_atiixp_pcm_hw_params, | |
1159 | .hw_free = snd_atiixp_pcm_hw_free, | |
1160 | .prepare = snd_atiixp_playback_prepare, | |
1161 | .trigger = snd_atiixp_pcm_trigger, | |
1162 | .pointer = snd_atiixp_pcm_pointer, | |
1163 | }; | |
1164 | ||
1165 | /* AC97 capture */ | |
74ee4ff1 | 1166 | static struct snd_pcm_ops snd_atiixp_capture_ops = { |
1da177e4 LT |
1167 | .open = snd_atiixp_capture_open, |
1168 | .close = snd_atiixp_capture_close, | |
1169 | .ioctl = snd_pcm_lib_ioctl, | |
1170 | .hw_params = snd_atiixp_pcm_hw_params, | |
1171 | .hw_free = snd_atiixp_pcm_hw_free, | |
1172 | .prepare = snd_atiixp_capture_prepare, | |
1173 | .trigger = snd_atiixp_pcm_trigger, | |
1174 | .pointer = snd_atiixp_pcm_pointer, | |
1175 | }; | |
1176 | ||
1177 | /* SPDIF playback */ | |
74ee4ff1 | 1178 | static struct snd_pcm_ops snd_atiixp_spdif_ops = { |
1da177e4 LT |
1179 | .open = snd_atiixp_spdif_open, |
1180 | .close = snd_atiixp_spdif_close, | |
1181 | .ioctl = snd_pcm_lib_ioctl, | |
1182 | .hw_params = snd_atiixp_pcm_hw_params, | |
1183 | .hw_free = snd_atiixp_pcm_hw_free, | |
1184 | .prepare = snd_atiixp_spdif_prepare, | |
1185 | .trigger = snd_atiixp_pcm_trigger, | |
1186 | .pointer = snd_atiixp_pcm_pointer, | |
1187 | }; | |
1188 | ||
e23e7a14 | 1189 | static struct ac97_pcm atiixp_pcm_defs[] = { |
1da177e4 LT |
1190 | /* front PCM */ |
1191 | { | |
1192 | .exclusive = 1, | |
1193 | .r = { { | |
1194 | .slots = (1 << AC97_SLOT_PCM_LEFT) | | |
1195 | (1 << AC97_SLOT_PCM_RIGHT) | | |
1196 | (1 << AC97_SLOT_PCM_CENTER) | | |
1197 | (1 << AC97_SLOT_PCM_SLEFT) | | |
1198 | (1 << AC97_SLOT_PCM_SRIGHT) | | |
1199 | (1 << AC97_SLOT_LFE) | |
1200 | } | |
1201 | } | |
1202 | }, | |
1203 | /* PCM IN #1 */ | |
1204 | { | |
1205 | .stream = 1, | |
1206 | .exclusive = 1, | |
1207 | .r = { { | |
1208 | .slots = (1 << AC97_SLOT_PCM_LEFT) | | |
1209 | (1 << AC97_SLOT_PCM_RIGHT) | |
1210 | } | |
1211 | } | |
1212 | }, | |
1213 | /* S/PDIF OUT (optional) */ | |
1214 | { | |
1215 | .exclusive = 1, | |
1216 | .spdif = 1, | |
1217 | .r = { { | |
1218 | .slots = (1 << AC97_SLOT_SPDIF_LEFT2) | | |
1219 | (1 << AC97_SLOT_SPDIF_RIGHT2) | |
1220 | } | |
1221 | } | |
1222 | }, | |
1223 | }; | |
1224 | ||
74ee4ff1 | 1225 | static struct atiixp_dma_ops snd_atiixp_playback_dma_ops = { |
1da177e4 LT |
1226 | .type = ATI_DMA_PLAYBACK, |
1227 | .llp_offset = ATI_REG_OUT_DMA_LINKPTR, | |
1228 | .dt_cur = ATI_REG_OUT_DMA_DT_CUR, | |
1229 | .enable_dma = atiixp_out_enable_dma, | |
1230 | .enable_transfer = atiixp_out_enable_transfer, | |
1231 | .flush_dma = atiixp_out_flush_dma, | |
1232 | }; | |
1233 | ||
74ee4ff1 | 1234 | static struct atiixp_dma_ops snd_atiixp_capture_dma_ops = { |
1da177e4 LT |
1235 | .type = ATI_DMA_CAPTURE, |
1236 | .llp_offset = ATI_REG_IN_DMA_LINKPTR, | |
1237 | .dt_cur = ATI_REG_IN_DMA_DT_CUR, | |
1238 | .enable_dma = atiixp_in_enable_dma, | |
1239 | .enable_transfer = atiixp_in_enable_transfer, | |
1240 | .flush_dma = atiixp_in_flush_dma, | |
1241 | }; | |
1242 | ||
74ee4ff1 | 1243 | static struct atiixp_dma_ops snd_atiixp_spdif_dma_ops = { |
1da177e4 LT |
1244 | .type = ATI_DMA_SPDIF, |
1245 | .llp_offset = ATI_REG_SPDF_DMA_LINKPTR, | |
1246 | .dt_cur = ATI_REG_SPDF_DMA_DT_CUR, | |
1247 | .enable_dma = atiixp_spdif_enable_dma, | |
1248 | .enable_transfer = atiixp_spdif_enable_transfer, | |
1249 | .flush_dma = atiixp_spdif_flush_dma, | |
1250 | }; | |
1251 | ||
1252 | ||
e23e7a14 | 1253 | static int snd_atiixp_pcm_new(struct atiixp *chip) |
1da177e4 | 1254 | { |
74ee4ff1 | 1255 | struct snd_pcm *pcm; |
e36e3b86 | 1256 | struct snd_pcm_chmap *chmap; |
74ee4ff1 | 1257 | struct snd_ac97_bus *pbus = chip->ac97_bus; |
1da177e4 LT |
1258 | int err, i, num_pcms; |
1259 | ||
1260 | /* initialize constants */ | |
1261 | chip->dmas[ATI_DMA_PLAYBACK].ops = &snd_atiixp_playback_dma_ops; | |
1262 | chip->dmas[ATI_DMA_CAPTURE].ops = &snd_atiixp_capture_dma_ops; | |
1263 | if (! chip->spdif_over_aclink) | |
1264 | chip->dmas[ATI_DMA_SPDIF].ops = &snd_atiixp_spdif_dma_ops; | |
1265 | ||
1266 | /* assign AC97 pcm */ | |
1267 | if (chip->spdif_over_aclink) | |
1268 | num_pcms = 3; | |
1269 | else | |
1270 | num_pcms = 2; | |
1271 | err = snd_ac97_pcm_assign(pbus, num_pcms, atiixp_pcm_defs); | |
1272 | if (err < 0) | |
1273 | return err; | |
1274 | for (i = 0; i < num_pcms; i++) | |
1275 | chip->pcms[i] = &pbus->pcms[i]; | |
1276 | ||
1277 | chip->max_channels = 2; | |
1278 | if (pbus->pcms[ATI_PCM_OUT].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) { | |
1279 | if (pbus->pcms[ATI_PCM_OUT].r[0].slots & (1 << AC97_SLOT_LFE)) | |
1280 | chip->max_channels = 6; | |
1281 | else | |
1282 | chip->max_channels = 4; | |
1283 | } | |
1284 | ||
1285 | /* PCM #0: analog I/O */ | |
74ee4ff1 TI |
1286 | err = snd_pcm_new(chip->card, "ATI IXP AC97", |
1287 | ATI_PCMDEV_ANALOG, 1, 1, &pcm); | |
1da177e4 LT |
1288 | if (err < 0) |
1289 | return err; | |
1290 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_playback_ops); | |
1291 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_atiixp_capture_ops); | |
1292 | pcm->private_data = chip; | |
1293 | strcpy(pcm->name, "ATI IXP AC97"); | |
1294 | chip->pcmdevs[ATI_PCMDEV_ANALOG] = pcm; | |
1295 | ||
1296 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | |
74ee4ff1 TI |
1297 | snd_dma_pci_data(chip->pci), |
1298 | 64*1024, 128*1024); | |
1da177e4 | 1299 | |
e36e3b86 TI |
1300 | err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, |
1301 | snd_pcm_alt_chmaps, chip->max_channels, 0, | |
1302 | &chmap); | |
1303 | if (err < 0) | |
1304 | return err; | |
1305 | chmap->channel_mask = SND_PCM_CHMAP_MASK_2468; | |
1306 | chip->ac97[0]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; | |
1307 | ||
1da177e4 LT |
1308 | /* no SPDIF support on codec? */ |
1309 | if (chip->pcms[ATI_PCM_SPDIF] && ! chip->pcms[ATI_PCM_SPDIF]->rates) | |
1310 | return 0; | |
1311 | ||
1312 | /* FIXME: non-48k sample rate doesn't work on my test machine with AD1888 */ | |
1313 | if (chip->pcms[ATI_PCM_SPDIF]) | |
1314 | chip->pcms[ATI_PCM_SPDIF]->rates = SNDRV_PCM_RATE_48000; | |
1315 | ||
1316 | /* PCM #1: spdif playback */ | |
74ee4ff1 TI |
1317 | err = snd_pcm_new(chip->card, "ATI IXP IEC958", |
1318 | ATI_PCMDEV_DIGITAL, 1, 0, &pcm); | |
1da177e4 LT |
1319 | if (err < 0) |
1320 | return err; | |
1321 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_spdif_ops); | |
1322 | pcm->private_data = chip; | |
1323 | if (chip->spdif_over_aclink) | |
1324 | strcpy(pcm->name, "ATI IXP IEC958 (AC97)"); | |
1325 | else | |
1326 | strcpy(pcm->name, "ATI IXP IEC958 (Direct)"); | |
1327 | chip->pcmdevs[ATI_PCMDEV_DIGITAL] = pcm; | |
1328 | ||
1329 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | |
74ee4ff1 TI |
1330 | snd_dma_pci_data(chip->pci), |
1331 | 64*1024, 128*1024); | |
1da177e4 LT |
1332 | |
1333 | /* pre-select AC97 SPDIF slots 10/11 */ | |
1334 | for (i = 0; i < NUM_ATI_CODECS; i++) { | |
1335 | if (chip->ac97[i]) | |
74ee4ff1 TI |
1336 | snd_ac97_update_bits(chip->ac97[i], |
1337 | AC97_EXTENDED_STATUS, | |
1338 | 0x03 << 4, 0x03 << 4); | |
1da177e4 LT |
1339 | } |
1340 | ||
1341 | return 0; | |
1342 | } | |
1343 | ||
1344 | ||
1345 | ||
1346 | /* | |
1347 | * interrupt handler | |
1348 | */ | |
7d12e780 | 1349 | static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id) |
1da177e4 | 1350 | { |
74ee4ff1 | 1351 | struct atiixp *chip = dev_id; |
1da177e4 LT |
1352 | unsigned int status; |
1353 | ||
1354 | status = atiixp_read(chip, ISR); | |
1355 | ||
1356 | if (! status) | |
1357 | return IRQ_NONE; | |
1358 | ||
1359 | /* process audio DMA */ | |
1360 | if (status & ATI_REG_ISR_OUT_XRUN) | |
1361 | snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]); | |
1362 | else if (status & ATI_REG_ISR_OUT_STATUS) | |
1363 | snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]); | |
1364 | if (status & ATI_REG_ISR_IN_XRUN) | |
1365 | snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]); | |
1366 | else if (status & ATI_REG_ISR_IN_STATUS) | |
1367 | snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]); | |
1368 | if (! chip->spdif_over_aclink) { | |
1369 | if (status & ATI_REG_ISR_SPDF_XRUN) | |
1370 | snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_SPDIF]); | |
1371 | else if (status & ATI_REG_ISR_SPDF_STATUS) | |
1372 | snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_SPDIF]); | |
1373 | } | |
1374 | ||
1375 | /* for codec detection */ | |
1376 | if (status & CODEC_CHECK_BITS) { | |
1377 | unsigned int detected; | |
1378 | detected = status & CODEC_CHECK_BITS; | |
1379 | spin_lock(&chip->reg_lock); | |
1380 | chip->codec_not_ready_bits |= detected; | |
1381 | atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */ | |
1382 | spin_unlock(&chip->reg_lock); | |
1383 | } | |
1384 | ||
1385 | /* ack */ | |
1386 | atiixp_write(chip, ISR, status); | |
1387 | ||
1388 | return IRQ_HANDLED; | |
1389 | } | |
1390 | ||
1391 | ||
1392 | /* | |
1393 | * ac97 mixer section | |
1394 | */ | |
1395 | ||
e23e7a14 | 1396 | static struct ac97_quirk ac97_quirks[] = { |
1da177e4 | 1397 | { |
69ad07cf JK |
1398 | .subvendor = 0x103c, |
1399 | .subdevice = 0x006b, | |
1da177e4 LT |
1400 | .name = "HP Pavilion ZV5030US", |
1401 | .type = AC97_TUNE_MUTE_LED | |
1402 | }, | |
a0faefed MG |
1403 | { |
1404 | .subvendor = 0x103c, | |
1405 | .subdevice = 0x308b, | |
1406 | .name = "HP nx6125", | |
1407 | .type = AC97_TUNE_MUTE_LED | |
1408 | }, | |
e3ba906a DC |
1409 | { |
1410 | .subvendor = 0x103c, | |
1411 | .subdevice = 0x3091, | |
1412 | .name = "unknown HP", | |
1413 | .type = AC97_TUNE_MUTE_LED | |
1414 | }, | |
1da177e4 LT |
1415 | { } /* terminator */ |
1416 | }; | |
1417 | ||
e23e7a14 BP |
1418 | static int snd_atiixp_mixer_new(struct atiixp *chip, int clock, |
1419 | const char *quirk_override) | |
1da177e4 | 1420 | { |
74ee4ff1 TI |
1421 | struct snd_ac97_bus *pbus; |
1422 | struct snd_ac97_template ac97; | |
1da177e4 LT |
1423 | int i, err; |
1424 | int codec_count; | |
74ee4ff1 | 1425 | static struct snd_ac97_bus_ops ops = { |
1da177e4 LT |
1426 | .write = snd_atiixp_ac97_write, |
1427 | .read = snd_atiixp_ac97_read, | |
1428 | }; | |
1429 | static unsigned int codec_skip[NUM_ATI_CODECS] = { | |
1430 | ATI_REG_ISR_CODEC0_NOT_READY, | |
1431 | ATI_REG_ISR_CODEC1_NOT_READY, | |
1432 | ATI_REG_ISR_CODEC2_NOT_READY, | |
1433 | }; | |
1434 | ||
1435 | if (snd_atiixp_codec_detect(chip) < 0) | |
1436 | return -ENXIO; | |
1437 | ||
1438 | if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0) | |
1439 | return err; | |
1440 | pbus->clock = clock; | |
1da177e4 LT |
1441 | chip->ac97_bus = pbus; |
1442 | ||
1443 | codec_count = 0; | |
1444 | for (i = 0; i < NUM_ATI_CODECS; i++) { | |
1445 | if (chip->codec_not_ready_bits & codec_skip[i]) | |
1446 | continue; | |
1447 | memset(&ac97, 0, sizeof(ac97)); | |
1448 | ac97.private_data = chip; | |
1449 | ac97.pci = chip->pci; | |
1450 | ac97.num = i; | |
f1a63a38 | 1451 | ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; |
1da177e4 LT |
1452 | if (! chip->spdif_over_aclink) |
1453 | ac97.scaps |= AC97_SCAP_NO_SPDIF; | |
1454 | if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) { | |
1455 | chip->ac97[i] = NULL; /* to be sure */ | |
1456 | snd_printdd("atiixp: codec %d not available for audio\n", i); | |
1457 | continue; | |
1458 | } | |
1459 | codec_count++; | |
1460 | } | |
1461 | ||
1462 | if (! codec_count) { | |
1463 | snd_printk(KERN_ERR "atiixp: no codec available\n"); | |
1464 | return -ENODEV; | |
1465 | } | |
1466 | ||
1467 | snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override); | |
1468 | ||
1469 | return 0; | |
1470 | } | |
1471 | ||
1472 | ||
c7561cd8 | 1473 | #ifdef CONFIG_PM_SLEEP |
1da177e4 LT |
1474 | /* |
1475 | * power management | |
1476 | */ | |
68cb2b55 | 1477 | static int snd_atiixp_suspend(struct device *dev) |
1da177e4 | 1478 | { |
68cb2b55 TI |
1479 | struct pci_dev *pci = to_pci_dev(dev); |
1480 | struct snd_card *card = dev_get_drvdata(dev); | |
92304cc7 | 1481 | struct atiixp *chip = card->private_data; |
1da177e4 LT |
1482 | int i; |
1483 | ||
92304cc7 | 1484 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
1da177e4 LT |
1485 | for (i = 0; i < NUM_ATI_PCMDEVS; i++) |
1486 | if (chip->pcmdevs[i]) { | |
74ee4ff1 | 1487 | struct atiixp_dma *dma = &chip->dmas[i]; |
1da177e4 | 1488 | if (dma->substream && dma->running) |
74ee4ff1 TI |
1489 | dma->saved_curptr = readl(chip->remap_addr + |
1490 | dma->ops->dt_cur); | |
1da177e4 LT |
1491 | snd_pcm_suspend_all(chip->pcmdevs[i]); |
1492 | } | |
1493 | for (i = 0; i < NUM_ATI_CODECS; i++) | |
92304cc7 | 1494 | snd_ac97_suspend(chip->ac97[i]); |
1da177e4 LT |
1495 | snd_atiixp_aclink_down(chip); |
1496 | snd_atiixp_chip_stop(chip); | |
1497 | ||
92304cc7 TI |
1498 | pci_disable_device(pci); |
1499 | pci_save_state(pci); | |
68cb2b55 | 1500 | pci_set_power_state(pci, PCI_D3hot); |
1da177e4 LT |
1501 | return 0; |
1502 | } | |
1503 | ||
68cb2b55 | 1504 | static int snd_atiixp_resume(struct device *dev) |
1da177e4 | 1505 | { |
68cb2b55 TI |
1506 | struct pci_dev *pci = to_pci_dev(dev); |
1507 | struct snd_card *card = dev_get_drvdata(dev); | |
92304cc7 | 1508 | struct atiixp *chip = card->private_data; |
1da177e4 LT |
1509 | int i; |
1510 | ||
92304cc7 | 1511 | pci_set_power_state(pci, PCI_D0); |
30b35399 TI |
1512 | pci_restore_state(pci); |
1513 | if (pci_enable_device(pci) < 0) { | |
1514 | printk(KERN_ERR "atiixp: pci_enable_device failed, " | |
1515 | "disabling device\n"); | |
1516 | snd_card_disconnect(card); | |
1517 | return -EIO; | |
1518 | } | |
92304cc7 | 1519 | pci_set_master(pci); |
1da177e4 LT |
1520 | |
1521 | snd_atiixp_aclink_reset(chip); | |
1522 | snd_atiixp_chip_start(chip); | |
1523 | ||
1524 | for (i = 0; i < NUM_ATI_CODECS; i++) | |
92304cc7 | 1525 | snd_ac97_resume(chip->ac97[i]); |
1da177e4 LT |
1526 | |
1527 | for (i = 0; i < NUM_ATI_PCMDEVS; i++) | |
1528 | if (chip->pcmdevs[i]) { | |
74ee4ff1 | 1529 | struct atiixp_dma *dma = &chip->dmas[i]; |
41e4845c | 1530 | if (dma->substream && dma->suspended) { |
1da177e4 | 1531 | dma->ops->enable_dma(chip, 1); |
8e3d759d | 1532 | dma->substream->ops->prepare(dma->substream); |
1da177e4 LT |
1533 | writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN, |
1534 | chip->remap_addr + dma->ops->llp_offset); | |
74ee4ff1 TI |
1535 | writel(dma->saved_curptr, chip->remap_addr + |
1536 | dma->ops->dt_cur); | |
1da177e4 LT |
1537 | } |
1538 | } | |
1539 | ||
92304cc7 | 1540 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
1da177e4 LT |
1541 | return 0; |
1542 | } | |
68cb2b55 TI |
1543 | |
1544 | static SIMPLE_DEV_PM_OPS(snd_atiixp_pm, snd_atiixp_suspend, snd_atiixp_resume); | |
1545 | #define SND_ATIIXP_PM_OPS &snd_atiixp_pm | |
1546 | #else | |
1547 | #define SND_ATIIXP_PM_OPS NULL | |
c7561cd8 | 1548 | #endif /* CONFIG_PM_SLEEP */ |
1da177e4 LT |
1549 | |
1550 | ||
adf1b3d2 | 1551 | #ifdef CONFIG_PROC_FS |
1da177e4 LT |
1552 | /* |
1553 | * proc interface for register dump | |
1554 | */ | |
1555 | ||
74ee4ff1 TI |
1556 | static void snd_atiixp_proc_read(struct snd_info_entry *entry, |
1557 | struct snd_info_buffer *buffer) | |
1da177e4 | 1558 | { |
74ee4ff1 | 1559 | struct atiixp *chip = entry->private_data; |
1da177e4 LT |
1560 | int i; |
1561 | ||
1562 | for (i = 0; i < 256; i += 4) | |
1563 | snd_iprintf(buffer, "%02x: %08x\n", i, readl(chip->remap_addr + i)); | |
1564 | } | |
1565 | ||
e23e7a14 | 1566 | static void snd_atiixp_proc_init(struct atiixp *chip) |
1da177e4 | 1567 | { |
74ee4ff1 | 1568 | struct snd_info_entry *entry; |
1da177e4 LT |
1569 | |
1570 | if (! snd_card_proc_new(chip->card, "atiixp", &entry)) | |
bf850204 | 1571 | snd_info_set_text_ops(entry, chip, snd_atiixp_proc_read); |
1da177e4 | 1572 | } |
adf1b3d2 TI |
1573 | #else /* !CONFIG_PROC_FS */ |
1574 | #define snd_atiixp_proc_init(chip) | |
1575 | #endif | |
1da177e4 LT |
1576 | |
1577 | ||
1578 | /* | |
1579 | * destructor | |
1580 | */ | |
1581 | ||
74ee4ff1 | 1582 | static int snd_atiixp_free(struct atiixp *chip) |
1da177e4 LT |
1583 | { |
1584 | if (chip->irq < 0) | |
1585 | goto __hw_end; | |
1586 | snd_atiixp_chip_stop(chip); | |
f000fd80 | 1587 | |
1da177e4 LT |
1588 | __hw_end: |
1589 | if (chip->irq >= 0) | |
74ee4ff1 | 1590 | free_irq(chip->irq, chip); |
1da177e4 LT |
1591 | if (chip->remap_addr) |
1592 | iounmap(chip->remap_addr); | |
1593 | pci_release_regions(chip->pci); | |
1594 | pci_disable_device(chip->pci); | |
1595 | kfree(chip); | |
1596 | return 0; | |
1597 | } | |
1598 | ||
74ee4ff1 | 1599 | static int snd_atiixp_dev_free(struct snd_device *device) |
1da177e4 | 1600 | { |
74ee4ff1 | 1601 | struct atiixp *chip = device->device_data; |
1da177e4 LT |
1602 | return snd_atiixp_free(chip); |
1603 | } | |
1604 | ||
1605 | /* | |
1606 | * constructor for chip instance | |
1607 | */ | |
e23e7a14 BP |
1608 | static int snd_atiixp_create(struct snd_card *card, |
1609 | struct pci_dev *pci, | |
1610 | struct atiixp **r_chip) | |
1da177e4 | 1611 | { |
74ee4ff1 | 1612 | static struct snd_device_ops ops = { |
1da177e4 LT |
1613 | .dev_free = snd_atiixp_dev_free, |
1614 | }; | |
74ee4ff1 | 1615 | struct atiixp *chip; |
1da177e4 LT |
1616 | int err; |
1617 | ||
1618 | if ((err = pci_enable_device(pci)) < 0) | |
1619 | return err; | |
1620 | ||
e560d8d8 | 1621 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
1da177e4 LT |
1622 | if (chip == NULL) { |
1623 | pci_disable_device(pci); | |
1624 | return -ENOMEM; | |
1625 | } | |
1626 | ||
1627 | spin_lock_init(&chip->reg_lock); | |
62932df8 | 1628 | mutex_init(&chip->open_mutex); |
1da177e4 LT |
1629 | chip->card = card; |
1630 | chip->pci = pci; | |
1631 | chip->irq = -1; | |
1632 | if ((err = pci_request_regions(pci, "ATI IXP AC97")) < 0) { | |
1633 | pci_disable_device(pci); | |
1634 | kfree(chip); | |
1635 | return err; | |
1636 | } | |
1637 | chip->addr = pci_resource_start(pci, 0); | |
2f5ad54e | 1638 | chip->remap_addr = pci_ioremap_bar(pci, 0); |
1da177e4 LT |
1639 | if (chip->remap_addr == NULL) { |
1640 | snd_printk(KERN_ERR "AC'97 space ioremap problem\n"); | |
1641 | snd_atiixp_free(chip); | |
1642 | return -EIO; | |
1643 | } | |
1644 | ||
437a5a46 | 1645 | if (request_irq(pci->irq, snd_atiixp_interrupt, IRQF_SHARED, |
934c2b6d | 1646 | KBUILD_MODNAME, chip)) { |
1da177e4 LT |
1647 | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); |
1648 | snd_atiixp_free(chip); | |
1649 | return -EBUSY; | |
1650 | } | |
1651 | chip->irq = pci->irq; | |
1652 | pci_set_master(pci); | |
1653 | synchronize_irq(chip->irq); | |
1654 | ||
1655 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { | |
1656 | snd_atiixp_free(chip); | |
1657 | return err; | |
1658 | } | |
1659 | ||
1660 | snd_card_set_dev(card, &pci->dev); | |
1661 | ||
1662 | *r_chip = chip; | |
1663 | return 0; | |
1664 | } | |
1665 | ||
1666 | ||
e23e7a14 BP |
1667 | static int snd_atiixp_probe(struct pci_dev *pci, |
1668 | const struct pci_device_id *pci_id) | |
1da177e4 | 1669 | { |
74ee4ff1 TI |
1670 | struct snd_card *card; |
1671 | struct atiixp *chip; | |
1da177e4 LT |
1672 | int err; |
1673 | ||
e58de7ba TI |
1674 | err = snd_card_create(index, id, THIS_MODULE, 0, &card); |
1675 | if (err < 0) | |
1676 | return err; | |
1da177e4 | 1677 | |
b7fe4622 | 1678 | strcpy(card->driver, spdif_aclink ? "ATIIXP" : "ATIIXP-SPDMA"); |
1da177e4 LT |
1679 | strcpy(card->shortname, "ATI IXP"); |
1680 | if ((err = snd_atiixp_create(card, pci, &chip)) < 0) | |
1681 | goto __error; | |
92304cc7 | 1682 | card->private_data = chip; |
1da177e4 LT |
1683 | |
1684 | if ((err = snd_atiixp_aclink_reset(chip)) < 0) | |
1685 | goto __error; | |
1686 | ||
b7fe4622 | 1687 | chip->spdif_over_aclink = spdif_aclink; |
1da177e4 | 1688 | |
b7fe4622 | 1689 | if ((err = snd_atiixp_mixer_new(chip, ac97_clock, ac97_quirk)) < 0) |
1da177e4 LT |
1690 | goto __error; |
1691 | ||
1692 | if ((err = snd_atiixp_pcm_new(chip)) < 0) | |
1693 | goto __error; | |
1694 | ||
1695 | snd_atiixp_proc_init(chip); | |
1696 | ||
1697 | snd_atiixp_chip_start(chip); | |
1698 | ||
1699 | snprintf(card->longname, sizeof(card->longname), | |
44c10138 AK |
1700 | "%s rev %x with %s at %#lx, irq %i", card->shortname, |
1701 | pci->revision, | |
1da177e4 LT |
1702 | chip->ac97[0] ? snd_ac97_get_short_name(chip->ac97[0]) : "?", |
1703 | chip->addr, chip->irq); | |
1704 | ||
1da177e4 LT |
1705 | if ((err = snd_card_register(card)) < 0) |
1706 | goto __error; | |
1707 | ||
1708 | pci_set_drvdata(pci, card); | |
1da177e4 LT |
1709 | return 0; |
1710 | ||
1711 | __error: | |
1712 | snd_card_free(card); | |
1713 | return err; | |
1714 | } | |
1715 | ||
e23e7a14 | 1716 | static void snd_atiixp_remove(struct pci_dev *pci) |
1da177e4 LT |
1717 | { |
1718 | snd_card_free(pci_get_drvdata(pci)); | |
1da177e4 LT |
1719 | } |
1720 | ||
e9f66d9b | 1721 | static struct pci_driver atiixp_driver = { |
3733e424 | 1722 | .name = KBUILD_MODNAME, |
1da177e4 LT |
1723 | .id_table = snd_atiixp_ids, |
1724 | .probe = snd_atiixp_probe, | |
e23e7a14 | 1725 | .remove = snd_atiixp_remove, |
68cb2b55 TI |
1726 | .driver = { |
1727 | .pm = SND_ATIIXP_PM_OPS, | |
1728 | }, | |
1da177e4 LT |
1729 | }; |
1730 | ||
e9f66d9b | 1731 | module_pci_driver(atiixp_driver); |