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-rw-r--r--sound/sparc/dbri.c390
1 files changed, 208 insertions, 182 deletions
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index e07085a7cfc3..bfc3930a6465 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -8,18 +8,18 @@
8 * Copyright (C) 1997 Rudolf Koenig (rfkoenig@immd4.informatik.uni-erlangen.de) 8 * Copyright (C) 1997 Rudolf Koenig (rfkoenig@immd4.informatik.uni-erlangen.de)
9 * Copyright (C) 1998, 1999 Brent Baccala (baccala@freesoft.org) 9 * Copyright (C) 1998, 1999 Brent Baccala (baccala@freesoft.org)
10 * 10 *
11 * This is the lowlevel driver for the DBRI & MMCODEC duo used for ISDN & AUDIO 11 * This is the low level driver for the DBRI & MMCODEC duo used for ISDN & AUDIO
12 * on Sun SPARCstation 10, 20, LX and Voyager models. 12 * on Sun SPARCStation 10, 20, LX and Voyager models.
13 * 13 *
14 * - DBRI: AT&T T5900FX Dual Basic Rates ISDN Interface. It is a 32 channel 14 * - DBRI: AT&T T5900FX Dual Basic Rates ISDN Interface. It is a 32 channel
15 * data time multiplexer with ISDN support (aka T7259) 15 * data time multiplexer with ISDN support (aka T7259)
16 * Interfaces: SBus,ISDN NT & TE, CHI, 4 bits parallel. 16 * Interfaces: SBus,ISDN NT & TE, CHI, 4 bits parallel.
17 * CHI: (spelled ki) Concentration Highway Interface (AT&T or Intel bus ?). 17 * CHI: (spelled ki) Concentration Highway Interface (AT&T or Intel bus ?).
18 * Documentation: 18 * Documentation:
19 * - "STP 4000SBus Dual Basic Rate ISDN (DBRI) Tranceiver" from 19 * - "STP 4000SBus Dual Basic Rate ISDN (DBRI) Transceiver" from
20 * Sparc Technology Business (courtesy of Sun Support) 20 * Sparc Technology Business (courtesy of Sun Support)
21 * - Data sheet of the T7903, a newer but very similar ISA bus equivalent 21 * - Data sheet of the T7903, a newer but very similar ISA bus equivalent
22 * available from the Lucent (formarly AT&T microelectronics) home 22 * available from the Lucent (formerly AT&T microelectronics) home
23 * page. 23 * page.
24 * - http://www.freesoft.org/Linux/DBRI/ 24 * - http://www.freesoft.org/Linux/DBRI/
25 * - MMCODEC: Crystal Semiconductor CS4215 16 bit Multimedia Audio Codec 25 * - MMCODEC: Crystal Semiconductor CS4215 16 bit Multimedia Audio Codec
@@ -27,21 +27,21 @@
27 * Documentation: from the Crystal Semiconductor home page. 27 * Documentation: from the Crystal Semiconductor home page.
28 * 28 *
29 * The DBRI is a 32 pipe machine, each pipe can transfer some bits between 29 * The DBRI is a 32 pipe machine, each pipe can transfer some bits between
30 * memory and a serial device (long pipes, nr 0-15) or between two serial 30 * memory and a serial device (long pipes, no. 0-15) or between two serial
31 * devices (short pipes, nr 16-31), or simply send a fixed data to a serial 31 * devices (short pipes, no. 16-31), or simply send a fixed data to a serial
32 * device (short pipes). 32 * device (short pipes).
33 * A timeslot defines the bit-offset and nr of bits read from a serial device. 33 * A timeslot defines the bit-offset and no. of bits read from a serial device.
34 * The timeslots are linked to 6 circular lists, one for each direction for 34 * The timeslots are linked to 6 circular lists, one for each direction for
35 * each serial device (NT,TE,CHI). A timeslot is associated to 1 or 2 pipes 35 * each serial device (NT,TE,CHI). A timeslot is associated to 1 or 2 pipes
36 * (the second one is a monitor/tee pipe, valid only for serial input). 36 * (the second one is a monitor/tee pipe, valid only for serial input).
37 * 37 *
38 * The mmcodec is connected via the CHI bus and needs the data & some 38 * The mmcodec is connected via the CHI bus and needs the data & some
39 * parameters (volume, output selection) timemultiplexed in 8 byte 39 * parameters (volume, output selection) time multiplexed in 8 byte
40 * chunks. It also has a control mode, which serves for audio format setting. 40 * chunks. It also has a control mode, which serves for audio format setting.
41 * 41 *
42 * Looking at the CS4215 data sheet it is easy to set up 2 or 4 codecs on 42 * Looking at the CS4215 data sheet it is easy to set up 2 or 4 codecs on
43 * the same CHI bus, so I thought perhaps it is possible to use the onboard 43 * the same CHI bus, so I thought perhaps it is possible to use the on-board
44 * & the speakerbox codec simultanously, giving 2 (not very independent :-) 44 * & the speakerbox codec simultaneously, giving 2 (not very independent :-)
45 * audio devices. But the SUN HW group decided against it, at least on my 45 * audio devices. But the SUN HW group decided against it, at least on my
46 * LX the speakerbox connector has at least 1 pin missing and 1 wrongly 46 * LX the speakerbox connector has at least 1 pin missing and 1 wrongly
47 * connected. 47 * connected.
@@ -56,6 +56,8 @@
56#include <sound/driver.h> 56#include <sound/driver.h>
57#include <linux/interrupt.h> 57#include <linux/interrupt.h>
58#include <linux/delay.h> 58#include <linux/delay.h>
59#include <linux/irq.h>
60#include <linux/io.h>
59 61
60#include <sound/core.h> 62#include <sound/core.h>
61#include <sound/pcm.h> 63#include <sound/pcm.h>
@@ -64,8 +66,6 @@
64#include <sound/control.h> 66#include <sound/control.h>
65#include <sound/initval.h> 67#include <sound/initval.h>
66 68
67#include <asm/irq.h>
68#include <asm/io.h>
69#include <asm/sbus.h> 69#include <asm/sbus.h>
70#include <asm/atomic.h> 70#include <asm/atomic.h>
71 71
@@ -76,7 +76,8 @@ MODULE_SUPPORTED_DEVICE("{{Sun,DBRI}}");
76 76
77static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 77static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
78static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 78static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
79static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 79/* Enable this card */
80static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
80 81
81module_param_array(index, int, NULL, 0444); 82module_param_array(index, int, NULL, 0444);
82MODULE_PARM_DESC(index, "Index value for Sun DBRI soundcard."); 83MODULE_PARM_DESC(index, "Index value for Sun DBRI soundcard.");
@@ -104,7 +105,7 @@ static char *cmds[] = {
104 "SSP", "CHI", "NT", "TE", "CDEC", "TEST", "CDM", "RESRV" 105 "SSP", "CHI", "NT", "TE", "CDEC", "TEST", "CDM", "RESRV"
105}; 106};
106 107
107#define dprintk(a, x...) if(dbri_debug & a) printk(KERN_DEBUG x) 108#define dprintk(a, x...) if (dbri_debug & a) printk(KERN_DEBUG x)
108 109
109#else 110#else
110#define dprintk(a, x...) do { } while (0) 111#define dprintk(a, x...) do { } while (0)
@@ -131,7 +132,7 @@ struct cs4215 {
131}; 132};
132 133
133/* 134/*
134 * Control mode first 135 * Control mode first
135 */ 136 */
136 137
137/* Time Slot 1, Status register */ 138/* Time Slot 1, Status register */
@@ -219,7 +220,7 @@ static struct {
219/* Time Slot 7, Input Setting */ 220/* Time Slot 7, Input Setting */
220#define CS4215_LG(v) v /* Left Gain Setting 0xf: 22.5 dB */ 221#define CS4215_LG(v) v /* Left Gain Setting 0xf: 22.5 dB */
221#define CS4215_IS (1<<4) /* Input Select: 1=Microphone, 0=Line */ 222#define CS4215_IS (1<<4) /* Input Select: 1=Microphone, 0=Line */
222#define CS4215_OVR (1<<5) /* 1: Overrange condition occurred */ 223#define CS4215_OVR (1<<5) /* 1: Over range condition occurred */
223#define CS4215_PIO0 (1<<6) /* Parallel I/O 0 */ 224#define CS4215_PIO0 (1<<6) /* Parallel I/O 0 */
224#define CS4215_PIO1 (1<<7) 225#define CS4215_PIO1 (1<<7)
225 226
@@ -285,7 +286,7 @@ struct dbri_pipe {
285/* Per stream (playback or record) information */ 286/* Per stream (playback or record) information */
286struct dbri_streaminfo { 287struct dbri_streaminfo {
287 struct snd_pcm_substream *substream; 288 struct snd_pcm_substream *substream;
288 u32 dvma_buffer; /* Device view of Alsa DMA buffer */ 289 u32 dvma_buffer; /* Device view of ALSA DMA buffer */
289 int size; /* Size of DMA buffer */ 290 int size; /* Size of DMA buffer */
290 size_t offset; /* offset in user buffer */ 291 size_t offset; /* offset in user buffer */
291 int pipe; /* Data pipe used */ 292 int pipe; /* Data pipe used */
@@ -341,11 +342,11 @@ struct snd_dbri {
341/* DBRI Reg1 - Mode and Interrupt Register - defines. (Page 18) */ 342/* DBRI Reg1 - Mode and Interrupt Register - defines. (Page 18) */
342#define D_LITTLE_END (1<<8) /* Byte Order */ 343#define D_LITTLE_END (1<<8) /* Byte Order */
343#define D_BIG_END (0<<8) /* Byte Order */ 344#define D_BIG_END (0<<8) /* Byte Order */
344#define D_MRR (1<<4) /* Multiple Error Ack on SBus (readonly) */ 345#define D_MRR (1<<4) /* Multiple Error Ack on SBus (read only) */
345#define D_MLE (1<<3) /* Multiple Late Error on SBus (readonly) */ 346#define D_MLE (1<<3) /* Multiple Late Error on SBus (read only) */
346#define D_LBG (1<<2) /* Lost Bus Grant on SBus (readonly) */ 347#define D_LBG (1<<2) /* Lost Bus Grant on SBus (read only) */
347#define D_MBE (1<<1) /* Burst Error on SBus (readonly) */ 348#define D_MBE (1<<1) /* Burst Error on SBus (read only) */
348#define D_IR (1<<0) /* Interrupt Indicator (readonly) */ 349#define D_IR (1<<0) /* Interrupt Indicator (read only) */
349 350
350/* DBRI Reg2 - Parallel IO Register - defines. (Page 18) */ 351/* DBRI Reg2 - Parallel IO Register - defines. (Page 18) */
351#define D_ENPIO3 (1<<7) /* Enable Pin 3 */ 352#define D_ENPIO3 (1<<7) /* Enable Pin 3 */
@@ -376,11 +377,11 @@ struct snd_dbri {
376#define D_CDM 0xe /* CHI Data mode command */ 377#define D_CDM 0xe /* CHI Data mode command */
377 378
378/* Special bits for some commands */ 379/* Special bits for some commands */
379#define D_PIPE(v) ((v)<<0) /* Pipe Nr: 0-15 long, 16-21 short */ 380#define D_PIPE(v) ((v)<<0) /* Pipe No.: 0-15 long, 16-21 short */
380 381
381/* Setup Data Pipe */ 382/* Setup Data Pipe */
382/* IRM */ 383/* IRM */
383#define D_SDP_2SAME (1<<18) /* Report 2nd time in a row value rcvd */ 384#define D_SDP_2SAME (1<<18) /* Report 2nd time in a row value received */
384#define D_SDP_CHANGE (2<<18) /* Report any changes */ 385#define D_SDP_CHANGE (2<<18) /* Report any changes */
385#define D_SDP_EVERY (3<<18) /* Report any changes */ 386#define D_SDP_EVERY (3<<18) /* Report any changes */
386#define D_SDP_EOL (1<<17) /* EOL interrupt enable */ 387#define D_SDP_EOL (1<<17) /* EOL interrupt enable */
@@ -419,7 +420,7 @@ struct snd_dbri {
419#define D_TS_NONCONTIG (3<<10) /* Non contiguous mode */ 420#define D_TS_NONCONTIG (3<<10) /* Non contiguous mode */
420#define D_TS_ANCHOR (7<<10) /* Starting short pipes */ 421#define D_TS_ANCHOR (7<<10) /* Starting short pipes */
421#define D_TS_MON(v) ((v)<<5) /* Monitor Pipe */ 422#define D_TS_MON(v) ((v)<<5) /* Monitor Pipe */
422#define D_TS_NEXT(v) ((v)<<0) /* Pipe Nr: 0-15 long, 16-21 short */ 423#define D_TS_NEXT(v) ((v)<<0) /* Pipe no.: 0-15 long, 16-21 short */
423 424
424/* Concentration Highway Interface Modes */ 425/* Concentration Highway Interface Modes */
425#define D_CHI_CHICM(v) ((v)<<16) /* Clock mode */ 426#define D_CHI_CHICM(v) ((v)<<16) /* Clock mode */
@@ -435,7 +436,7 @@ struct snd_dbri {
435#define D_NT_NBF (1<<16) /* Number of bad frames to loose framing */ 436#define D_NT_NBF (1<<16) /* Number of bad frames to loose framing */
436#define D_NT_IRM_IMM (1<<15) /* Interrupt Report & Mask: Immediate */ 437#define D_NT_IRM_IMM (1<<15) /* Interrupt Report & Mask: Immediate */
437#define D_NT_IRM_EN (1<<14) /* Interrupt Report & Mask: Enable */ 438#define D_NT_IRM_EN (1<<14) /* Interrupt Report & Mask: Enable */
438#define D_NT_ISNT (1<<13) /* Configfure interface as NT */ 439#define D_NT_ISNT (1<<13) /* Configure interface as NT */
439#define D_NT_FT (1<<12) /* Fixed Timing */ 440#define D_NT_FT (1<<12) /* Fixed Timing */
440#define D_NT_EZ (1<<11) /* Echo Channel is Zeros */ 441#define D_NT_EZ (1<<11) /* Echo Channel is Zeros */
441#define D_NT_IFA (1<<10) /* Inhibit Final Activation */ 442#define D_NT_IFA (1<<10) /* Inhibit Final Activation */
@@ -455,7 +456,7 @@ struct snd_dbri {
455#define D_TEST_RAM(v) ((v)<<16) /* RAM Pointer */ 456#define D_TEST_RAM(v) ((v)<<16) /* RAM Pointer */
456#define D_TEST_SIZE(v) ((v)<<11) /* */ 457#define D_TEST_SIZE(v) ((v)<<11) /* */
457#define D_TEST_ROMONOFF 0x5 /* Toggle ROM opcode monitor on/off */ 458#define D_TEST_ROMONOFF 0x5 /* Toggle ROM opcode monitor on/off */
458#define D_TEST_PROC 0x6 /* MicroProcessor test */ 459#define D_TEST_PROC 0x6 /* Microprocessor test */
459#define D_TEST_SER 0x7 /* Serial-Controller test */ 460#define D_TEST_SER 0x7 /* Serial-Controller test */
460#define D_TEST_RAMREAD 0x8 /* Copy from Ram to system memory */ 461#define D_TEST_RAMREAD 0x8 /* Copy from Ram to system memory */
461#define D_TEST_RAMWRITE 0x9 /* Copy into Ram from system memory */ 462#define D_TEST_RAMWRITE 0x9 /* Copy into Ram from system memory */
@@ -464,12 +465,12 @@ struct snd_dbri {
464#define D_TEST_DUMP 0xe /* ROM Dump */ 465#define D_TEST_DUMP 0xe /* ROM Dump */
465 466
466/* CHI Data Mode */ 467/* CHI Data Mode */
467#define D_CDM_THI (1<<8) /* Transmit Data on CHIDR Pin */ 468#define D_CDM_THI (1 << 8) /* Transmit Data on CHIDR Pin */
468#define D_CDM_RHI (1<<7) /* Receive Data on CHIDX Pin */ 469#define D_CDM_RHI (1 << 7) /* Receive Data on CHIDX Pin */
469#define D_CDM_RCE (1<<6) /* Receive on Rising Edge of CHICK */ 470#define D_CDM_RCE (1 << 6) /* Receive on Rising Edge of CHICK */
470#define D_CDM_XCE (1<<2) /* Transmit Data on Rising Edge of CHICK */ 471#define D_CDM_XCE (1 << 2) /* Transmit Data on Rising Edge of CHICK */
471#define D_CDM_XEN (1<<1) /* Transmit Highway Enable */ 472#define D_CDM_XEN (1 << 1) /* Transmit Highway Enable */
472#define D_CDM_REN (1<<0) /* Receive Highway Enable */ 473#define D_CDM_REN (1 << 0) /* Receive Highway Enable */
473 474
474/* The Interrupts */ 475/* The Interrupts */
475#define D_INTR_BRDY 1 /* Buffer Ready for processing */ 476#define D_INTR_BRDY 1 /* Buffer Ready for processing */
@@ -493,9 +494,9 @@ struct snd_dbri {
493#define D_INTR_CHI 36 494#define D_INTR_CHI 36
494#define D_INTR_CMD 38 495#define D_INTR_CMD 38
495 496
496#define D_INTR_GETCHAN(v) (((v)>>24) & 0x3f) 497#define D_INTR_GETCHAN(v) (((v) >> 24) & 0x3f)
497#define D_INTR_GETCODE(v) (((v)>>20) & 0xf) 498#define D_INTR_GETCODE(v) (((v) >> 20) & 0xf)
498#define D_INTR_GETCMD(v) (((v)>>16) & 0xf) 499#define D_INTR_GETCMD(v) (((v) >> 16) & 0xf)
499#define D_INTR_GETVAL(v) ((v) & 0xffff) 500#define D_INTR_GETVAL(v) ((v) & 0xffff)
500#define D_INTR_GETRVAL(v) ((v) & 0xfffff) 501#define D_INTR_GETRVAL(v) ((v) & 0xfffff)
501 502
@@ -533,41 +534,42 @@ struct snd_dbri {
533#define D_P_31 31 /* */ 534#define D_P_31 31 /* */
534 535
535/* Transmit descriptor defines */ 536/* Transmit descriptor defines */
536#define DBRI_TD_F (1<<31) /* End of Frame */ 537#define DBRI_TD_F (1 << 31) /* End of Frame */
537#define DBRI_TD_D (1<<30) /* Do not append CRC */ 538#define DBRI_TD_D (1 << 30) /* Do not append CRC */
538#define DBRI_TD_CNT(v) ((v)<<16) /* Number of valid bytes in the buffer */ 539#define DBRI_TD_CNT(v) ((v) << 16) /* Number of valid bytes in the buffer */
539#define DBRI_TD_B (1<<15) /* Final interrupt */ 540#define DBRI_TD_B (1 << 15) /* Final interrupt */
540#define DBRI_TD_M (1<<14) /* Marker interrupt */ 541#define DBRI_TD_M (1 << 14) /* Marker interrupt */
541#define DBRI_TD_I (1<<13) /* Transmit Idle Characters */ 542#define DBRI_TD_I (1 << 13) /* Transmit Idle Characters */
542#define DBRI_TD_FCNT(v) (v) /* Flag Count */ 543#define DBRI_TD_FCNT(v) (v) /* Flag Count */
543#define DBRI_TD_UNR (1<<3) /* Underrun: transmitter is out of data */ 544#define DBRI_TD_UNR (1 << 3) /* Underrun: transmitter is out of data */
544#define DBRI_TD_ABT (1<<2) /* Abort: frame aborted */ 545#define DBRI_TD_ABT (1 << 2) /* Abort: frame aborted */
545#define DBRI_TD_TBC (1<<0) /* Transmit buffer Complete */ 546#define DBRI_TD_TBC (1 << 0) /* Transmit buffer Complete */
546#define DBRI_TD_STATUS(v) ((v)&0xff) /* Transmit status */ 547#define DBRI_TD_STATUS(v) ((v) & 0xff) /* Transmit status */
547 /* Maximum buffer size per TD: almost 8Kb */ 548 /* Maximum buffer size per TD: almost 8KB */
548#define DBRI_TD_MAXCNT ((1 << 13) - 4) 549#define DBRI_TD_MAXCNT ((1 << 13) - 4)
549 550
550/* Receive descriptor defines */ 551/* Receive descriptor defines */
551#define DBRI_RD_F (1<<31) /* End of Frame */ 552#define DBRI_RD_F (1 << 31) /* End of Frame */
552#define DBRI_RD_C (1<<30) /* Completed buffer */ 553#define DBRI_RD_C (1 << 30) /* Completed buffer */
553#define DBRI_RD_B (1<<15) /* Final interrupt */ 554#define DBRI_RD_B (1 << 15) /* Final interrupt */
554#define DBRI_RD_M (1<<14) /* Marker interrupt */ 555#define DBRI_RD_M (1 << 14) /* Marker interrupt */
555#define DBRI_RD_BCNT(v) (v) /* Buffer size */ 556#define DBRI_RD_BCNT(v) (v) /* Buffer size */
556#define DBRI_RD_CRC (1<<7) /* 0: CRC is correct */ 557#define DBRI_RD_CRC (1 << 7) /* 0: CRC is correct */
557#define DBRI_RD_BBC (1<<6) /* 1: Bad Byte received */ 558#define DBRI_RD_BBC (1 << 6) /* 1: Bad Byte received */
558#define DBRI_RD_ABT (1<<5) /* Abort: frame aborted */ 559#define DBRI_RD_ABT (1 << 5) /* Abort: frame aborted */
559#define DBRI_RD_OVRN (1<<3) /* Overrun: data lost */ 560#define DBRI_RD_OVRN (1 << 3) /* Overrun: data lost */
560#define DBRI_RD_STATUS(v) ((v)&0xff) /* Receive status */ 561#define DBRI_RD_STATUS(v) ((v) & 0xff) /* Receive status */
561#define DBRI_RD_CNT(v) (((v)>>16)&0x1fff) /* Valid bytes in the buffer */ 562#define DBRI_RD_CNT(v) (((v) >> 16) & 0x1fff) /* Valid bytes in the buffer */
562 563
563/* stream_info[] access */ 564/* stream_info[] access */
564/* Translate the ALSA direction into the array index */ 565/* Translate the ALSA direction into the array index */
565#define DBRI_STREAMNO(substream) \ 566#define DBRI_STREAMNO(substream) \
566 (substream->stream == \ 567 (substream->stream == \
567 SNDRV_PCM_STREAM_PLAYBACK? DBRI_PLAY: DBRI_REC) 568 SNDRV_PCM_STREAM_PLAYBACK? DBRI_PLAY: DBRI_REC)
568 569
569/* Return a pointer to dbri_streaminfo */ 570/* Return a pointer to dbri_streaminfo */
570#define DBRI_STREAM(dbri, substream) &dbri->stream_info[DBRI_STREAMNO(substream)] 571#define DBRI_STREAM(dbri, substream) \
572 &dbri->stream_info[DBRI_STREAMNO(substream)]
571 573
572static struct snd_dbri *dbri_list; /* All DBRI devices */ 574static struct snd_dbri *dbri_list; /* All DBRI devices */
573 575
@@ -612,18 +614,18 @@ Since the DBRI can run in parallel with the CPU, several means of
612synchronization present themselves. The method implemented here is only 614synchronization present themselves. The method implemented here is only
613use of the dbri_cmdwait() to wait for execution of batch of sent commands. 615use of the dbri_cmdwait() to wait for execution of batch of sent commands.
614 616
615A circular command buffer is used here. A new command is being added 617A circular command buffer is used here. A new command is being added
616while another can be executed. The scheme works by adding two WAIT commands 618while another can be executed. The scheme works by adding two WAIT commands
617after each sent batch of commands. When the next batch is prepared it is 619after each sent batch of commands. When the next batch is prepared it is
618added after the WAIT commands then the WAITs are replaced with single JUMP 620added after the WAIT commands then the WAITs are replaced with single JUMP
619command to the new batch. The the DBRI is forced to reread the last WAIT 621command to the new batch. The the DBRI is forced to reread the last WAIT
620command (replaced by the JUMP by then). If the DBRI is still executing 622command (replaced by the JUMP by then). If the DBRI is still executing
621previous commands the request to reread the WAIT command is ignored. 623previous commands the request to reread the WAIT command is ignored.
622 624
623Every time a routine wants to write commands to the DBRI, it must 625Every time a routine wants to write commands to the DBRI, it must
624first call dbri_cmdlock() and get pointer to a free space in 626first call dbri_cmdlock() and get pointer to a free space in
625dbri->dma->cmd buffer. After this, the commands can be written to 627dbri->dma->cmd buffer. After this, the commands can be written to
626the buffer, and dbri_cmdsend() is called with the final pointer value 628the buffer, and dbri_cmdsend() is called with the final pointer value
627to send them to the DBRI. 629to send them to the DBRI.
628 630
629*/ 631*/
@@ -657,7 +659,7 @@ static void dbri_cmdwait(struct snd_dbri *dbri)
657 * Lock the command queue and returns pointer to a space for len cmd words 659 * Lock the command queue and returns pointer to a space for len cmd words
658 * It locks the cmdlock spinlock. 660 * It locks the cmdlock spinlock.
659 */ 661 */
660static s32 *dbri_cmdlock(struct snd_dbri * dbri, int len) 662static s32 *dbri_cmdlock(struct snd_dbri *dbri, int len)
661{ 663{
662 /* Space for 2 WAIT cmds (replaced later by 1 JUMP cmd) */ 664 /* Space for 2 WAIT cmds (replaced later by 1 JUMP cmd) */
663 len += 2; 665 len += 2;
@@ -680,7 +682,7 @@ static s32 *dbri_cmdlock(struct snd_dbri * dbri, int len)
680 * 682 *
681 * Lock must be held before calling this. 683 * Lock must be held before calling this.
682 */ 684 */
683static void dbri_cmdsend(struct snd_dbri * dbri, s32 * cmd,int len) 685static void dbri_cmdsend(struct snd_dbri *dbri, s32 *cmd, int len)
684{ 686{
685 s32 tmp, addr; 687 s32 tmp, addr;
686 static int wait_id = 0; 688 static int wait_id = 0;
@@ -700,16 +702,17 @@ static void dbri_cmdsend(struct snd_dbri * dbri, s32 * cmd,int len)
700 s32 *ptr; 702 s32 *ptr;
701 703
702 for (ptr = dbri->cmdptr; ptr < cmd+2; ptr++) 704 for (ptr = dbri->cmdptr; ptr < cmd+2; ptr++)
703 dprintk(D_CMD, "cmd: %lx:%08x\n", (unsigned long)ptr, *ptr); 705 dprintk(D_CMD, "cmd: %lx:%08x\n",
706 (unsigned long)ptr, *ptr);
704 } else { 707 } else {
705 s32 *ptr = dbri->cmdptr; 708 s32 *ptr = dbri->cmdptr;
706 709
707 dprintk(D_CMD, "cmd: %lx:%08x\n", (unsigned long)ptr, *ptr); 710 dprintk(D_CMD, "cmd: %lx:%08x\n", (unsigned long)ptr, *ptr);
708 ptr++; 711 ptr++;
709 dprintk(D_CMD, "cmd: %lx:%08x\n", (unsigned long)ptr, *ptr); 712 dprintk(D_CMD, "cmd: %lx:%08x\n", (unsigned long)ptr, *ptr);
710 for (ptr = dbri->dma->cmd; ptr < cmd+2; ptr++) { 713 for (ptr = dbri->dma->cmd; ptr < cmd+2; ptr++)
711 dprintk(D_CMD, "cmd: %lx:%08x\n", (unsigned long)ptr, *ptr); 714 dprintk(D_CMD, "cmd: %lx:%08x\n",
712 } 715 (unsigned long)ptr, *ptr);
713 } 716 }
714#endif 717#endif
715 718
@@ -723,7 +726,7 @@ static void dbri_cmdsend(struct snd_dbri * dbri, s32 * cmd,int len)
723} 726}
724 727
725/* Lock must be held when calling this */ 728/* Lock must be held when calling this */
726static void dbri_reset(struct snd_dbri * dbri) 729static void dbri_reset(struct snd_dbri *dbri)
727{ 730{
728 int i; 731 int i;
729 u32 tmp; 732 u32 tmp;
@@ -746,7 +749,7 @@ static void dbri_reset(struct snd_dbri * dbri)
746} 749}
747 750
748/* Lock must not be held before calling this */ 751/* Lock must not be held before calling this */
749static void dbri_initialize(struct snd_dbri * dbri) 752static void dbri_initialize(struct snd_dbri *dbri)
750{ 753{
751 s32 *cmd; 754 s32 *cmd;
752 u32 dma_addr; 755 u32 dma_addr;
@@ -763,7 +766,7 @@ static void dbri_initialize(struct snd_dbri * dbri)
763 766
764 spin_lock_init(&dbri->cmdlock); 767 spin_lock_init(&dbri->cmdlock);
765 /* 768 /*
766 * Initialize the interrupt ringbuffer. 769 * Initialize the interrupt ring buffer.
767 */ 770 */
768 dma_addr = dbri->dma_dvma + dbri_dma_off(intr, 0); 771 dma_addr = dbri->dma_dvma + dbri_dma_off(intr, 0);
769 dbri->dma->intr[0] = dma_addr; 772 dbri->dma->intr[0] = dma_addr;
@@ -801,7 +804,7 @@ list ordering, among other things. The transmit and receive functions
801here interface closely with the transmit and receive interrupt code. 804here interface closely with the transmit and receive interrupt code.
802 805
803*/ 806*/
804static int pipe_active(struct snd_dbri * dbri, int pipe) 807static int pipe_active(struct snd_dbri *dbri, int pipe)
805{ 808{
806 return ((pipe >= 0) && (dbri->pipes[pipe].desc != -1)); 809 return ((pipe >= 0) && (dbri->pipes[pipe].desc != -1));
807} 810}
@@ -811,20 +814,22 @@ static int pipe_active(struct snd_dbri * dbri, int pipe)
811 * Called on an in-use pipe to clear anything being transmitted or received 814 * Called on an in-use pipe to clear anything being transmitted or received
812 * Lock must be held before calling this. 815 * Lock must be held before calling this.
813 */ 816 */
814static void reset_pipe(struct snd_dbri * dbri, int pipe) 817static void reset_pipe(struct snd_dbri *dbri, int pipe)
815{ 818{
816 int sdp; 819 int sdp;
817 int desc; 820 int desc;
818 s32 *cmd; 821 s32 *cmd;
819 822
820 if (pipe < 0 || pipe > DBRI_MAX_PIPE) { 823 if (pipe < 0 || pipe > DBRI_MAX_PIPE) {
821 printk(KERN_ERR "DBRI: reset_pipe called with illegal pipe number\n"); 824 printk(KERN_ERR "DBRI: reset_pipe called with "
825 "illegal pipe number\n");
822 return; 826 return;
823 } 827 }
824 828
825 sdp = dbri->pipes[pipe].sdp; 829 sdp = dbri->pipes[pipe].sdp;
826 if (sdp == 0) { 830 if (sdp == 0) {
827 printk(KERN_ERR "DBRI: reset_pipe called on uninitialized pipe\n"); 831 printk(KERN_ERR "DBRI: reset_pipe called "
832 "on uninitialized pipe\n");
828 return; 833 return;
829 } 834 }
830 835
@@ -835,9 +840,10 @@ static void reset_pipe(struct snd_dbri * dbri, int pipe)
835 dbri_cmdsend(dbri, cmd, 3); 840 dbri_cmdsend(dbri, cmd, 3);
836 841
837 desc = dbri->pipes[pipe].first_desc; 842 desc = dbri->pipes[pipe].first_desc;
838 if ( desc >= 0) 843 if (desc >= 0)
839 do { 844 do {
840 dbri->dma->desc[desc].nda = dbri->dma->desc[desc].ba = 0; 845 dbri->dma->desc[desc].ba = 0;
846 dbri->dma->desc[desc].nda = 0;
841 desc = dbri->next_desc[desc]; 847 desc = dbri->next_desc[desc];
842 } while (desc != -1 && desc != dbri->pipes[pipe].first_desc); 848 } while (desc != -1 && desc != dbri->pipes[pipe].first_desc);
843 849
@@ -848,15 +854,17 @@ static void reset_pipe(struct snd_dbri * dbri, int pipe)
848/* 854/*
849 * Lock must be held before calling this. 855 * Lock must be held before calling this.
850 */ 856 */
851static void setup_pipe(struct snd_dbri * dbri, int pipe, int sdp) 857static void setup_pipe(struct snd_dbri *dbri, int pipe, int sdp)
852{ 858{
853 if (pipe < 0 || pipe > DBRI_MAX_PIPE) { 859 if (pipe < 0 || pipe > DBRI_MAX_PIPE) {
854 printk(KERN_ERR "DBRI: setup_pipe called with illegal pipe number\n"); 860 printk(KERN_ERR "DBRI: setup_pipe called "
861 "with illegal pipe number\n");
855 return; 862 return;
856 } 863 }
857 864
858 if ((sdp & 0xf800) != sdp) { 865 if ((sdp & 0xf800) != sdp) {
859 printk(KERN_ERR "DBRI: setup_pipe called with strange SDP value\n"); 866 printk(KERN_ERR "DBRI: setup_pipe called "
867 "with strange SDP value\n");
860 /* sdp &= 0xf800; */ 868 /* sdp &= 0xf800; */
861 } 869 }
862 870
@@ -877,25 +885,26 @@ static void setup_pipe(struct snd_dbri * dbri, int pipe, int sdp)
877/* 885/*
878 * Lock must be held before calling this. 886 * Lock must be held before calling this.
879 */ 887 */
880static void link_time_slot(struct snd_dbri * dbri, int pipe, 888static void link_time_slot(struct snd_dbri *dbri, int pipe,
881 int prevpipe, int nextpipe, 889 int prevpipe, int nextpipe,
882 int length, int cycle) 890 int length, int cycle)
883{ 891{
884 s32 *cmd; 892 s32 *cmd;
885 int val; 893 int val;
886 894
887 if (pipe < 0 || pipe > DBRI_MAX_PIPE 895 if (pipe < 0 || pipe > DBRI_MAX_PIPE
888 || prevpipe < 0 || prevpipe > DBRI_MAX_PIPE 896 || prevpipe < 0 || prevpipe > DBRI_MAX_PIPE
889 || nextpipe < 0 || nextpipe > DBRI_MAX_PIPE) { 897 || nextpipe < 0 || nextpipe > DBRI_MAX_PIPE) {
890 printk(KERN_ERR 898 printk(KERN_ERR
891 "DBRI: link_time_slot called with illegal pipe number\n"); 899 "DBRI: link_time_slot called with illegal pipe number\n");
892 return; 900 return;
893 } 901 }
894 902
895 if (dbri->pipes[pipe].sdp == 0 903 if (dbri->pipes[pipe].sdp == 0
896 || dbri->pipes[prevpipe].sdp == 0 904 || dbri->pipes[prevpipe].sdp == 0
897 || dbri->pipes[nextpipe].sdp == 0) { 905 || dbri->pipes[nextpipe].sdp == 0) {
898 printk(KERN_ERR "DBRI: link_time_slot called on uninitialized pipe\n"); 906 printk(KERN_ERR "DBRI: link_time_slot called "
907 "on uninitialized pipe\n");
899 return; 908 return;
900 } 909 }
901 910
@@ -935,17 +944,17 @@ static void link_time_slot(struct snd_dbri * dbri, int pipe,
935/* 944/*
936 * Lock must be held before calling this. 945 * Lock must be held before calling this.
937 */ 946 */
938static void unlink_time_slot(struct snd_dbri * dbri, int pipe, 947static void unlink_time_slot(struct snd_dbri *dbri, int pipe,
939 enum in_or_out direction, int prevpipe, 948 enum in_or_out direction, int prevpipe,
940 int nextpipe) 949 int nextpipe)
941{ 950{
942 s32 *cmd; 951 s32 *cmd;
943 int val; 952 int val;
944 953
945 if (pipe < 0 || pipe > DBRI_MAX_PIPE 954 if (pipe < 0 || pipe > DBRI_MAX_PIPE
946 || prevpipe < 0 || prevpipe > DBRI_MAX_PIPE 955 || prevpipe < 0 || prevpipe > DBRI_MAX_PIPE
947 || nextpipe < 0 || nextpipe > DBRI_MAX_PIPE) { 956 || nextpipe < 0 || nextpipe > DBRI_MAX_PIPE) {
948 printk(KERN_ERR 957 printk(KERN_ERR
949 "DBRI: unlink_time_slot called with illegal pipe number\n"); 958 "DBRI: unlink_time_slot called with illegal pipe number\n");
950 return; 959 return;
951 } 960 }
@@ -985,7 +994,7 @@ static void unlink_time_slot(struct snd_dbri * dbri, int pipe,
985 * 994 *
986 * Lock must not be held before calling it. 995 * Lock must not be held before calling it.
987 */ 996 */
988static void xmit_fixed(struct snd_dbri * dbri, int pipe, unsigned int data) 997static void xmit_fixed(struct snd_dbri *dbri, int pipe, unsigned int data)
989{ 998{
990 s32 *cmd; 999 s32 *cmd;
991 unsigned long flags; 1000 unsigned long flags;
@@ -996,7 +1005,8 @@ static void xmit_fixed(struct snd_dbri * dbri, int pipe, unsigned int data)
996 } 1005 }
997 1006
998 if (D_SDP_MODE(dbri->pipes[pipe].sdp) == 0) { 1007 if (D_SDP_MODE(dbri->pipes[pipe].sdp) == 0) {
999 printk(KERN_ERR "DBRI: xmit_fixed: Uninitialized pipe %d\n", pipe); 1008 printk(KERN_ERR "DBRI: xmit_fixed: "
1009 "Uninitialized pipe %d\n", pipe);
1000 return; 1010 return;
1001 } 1011 }
1002 1012
@@ -1006,7 +1016,8 @@ static void xmit_fixed(struct snd_dbri * dbri, int pipe, unsigned int data)
1006 } 1016 }
1007 1017
1008 if (!(dbri->pipes[pipe].sdp & D_SDP_TO_SER)) { 1018 if (!(dbri->pipes[pipe].sdp & D_SDP_TO_SER)) {
1009 printk(KERN_ERR "DBRI: xmit_fixed: Called on receive pipe %d\n", pipe); 1019 printk(KERN_ERR "DBRI: xmit_fixed: Called on receive pipe %d\n",
1020 pipe);
1010 return; 1021 return;
1011 } 1022 }
1012 1023
@@ -1028,20 +1039,23 @@ static void xmit_fixed(struct snd_dbri * dbri, int pipe, unsigned int data)
1028 1039
1029} 1040}
1030 1041
1031static void recv_fixed(struct snd_dbri * dbri, int pipe, volatile __u32 * ptr) 1042static void recv_fixed(struct snd_dbri *dbri, int pipe, volatile __u32 *ptr)
1032{ 1043{
1033 if (pipe < 16 || pipe > DBRI_MAX_PIPE) { 1044 if (pipe < 16 || pipe > DBRI_MAX_PIPE) {
1034 printk(KERN_ERR "DBRI: recv_fixed called with illegal pipe number\n"); 1045 printk(KERN_ERR "DBRI: recv_fixed called with "
1046 "illegal pipe number\n");
1035 return; 1047 return;
1036 } 1048 }
1037 1049
1038 if (D_SDP_MODE(dbri->pipes[pipe].sdp) != D_SDP_FIXED) { 1050 if (D_SDP_MODE(dbri->pipes[pipe].sdp) != D_SDP_FIXED) {
1039 printk(KERN_ERR "DBRI: recv_fixed called on non-fixed pipe %d\n", pipe); 1051 printk(KERN_ERR "DBRI: recv_fixed called on "
1052 "non-fixed pipe %d\n", pipe);
1040 return; 1053 return;
1041 } 1054 }
1042 1055
1043 if (dbri->pipes[pipe].sdp & D_SDP_TO_SER) { 1056 if (dbri->pipes[pipe].sdp & D_SDP_TO_SER) {
1044 printk(KERN_ERR "DBRI: recv_fixed called on transmit pipe %d\n", pipe); 1057 printk(KERN_ERR "DBRI: recv_fixed called on "
1058 "transmit pipe %d\n", pipe);
1045 return; 1059 return;
1046 } 1060 }
1047 1061
@@ -1064,7 +1078,7 @@ static void recv_fixed(struct snd_dbri * dbri, int pipe, volatile __u32 * ptr)
1064 * 1078 *
1065 * Lock must be held before calling this. 1079 * Lock must be held before calling this.
1066 */ 1080 */
1067static int setup_descs(struct snd_dbri * dbri, int streamno, unsigned int period) 1081static int setup_descs(struct snd_dbri *dbri, int streamno, unsigned int period)
1068{ 1082{
1069 struct dbri_streaminfo *info = &dbri->stream_info[streamno]; 1083 struct dbri_streaminfo *info = &dbri->stream_info[streamno];
1070 __u32 dvma_buffer; 1084 __u32 dvma_buffer;
@@ -1089,21 +1103,23 @@ static int setup_descs(struct snd_dbri * dbri, int streamno, unsigned int period
1089 1103
1090 if (streamno == DBRI_PLAY) { 1104 if (streamno == DBRI_PLAY) {
1091 if (!(dbri->pipes[info->pipe].sdp & D_SDP_TO_SER)) { 1105 if (!(dbri->pipes[info->pipe].sdp & D_SDP_TO_SER)) {
1092 printk(KERN_ERR "DBRI: setup_descs: Called on receive pipe %d\n", 1106 printk(KERN_ERR "DBRI: setup_descs: "
1093 info->pipe); 1107 "Called on receive pipe %d\n", info->pipe);
1094 return -2; 1108 return -2;
1095 } 1109 }
1096 } else { 1110 } else {
1097 if (dbri->pipes[info->pipe].sdp & D_SDP_TO_SER) { 1111 if (dbri->pipes[info->pipe].sdp & D_SDP_TO_SER) {
1098 printk(KERN_ERR 1112 printk(KERN_ERR
1099 "DBRI: setup_descs: Called on transmit pipe %d\n", 1113 "DBRI: setup_descs: Called on transmit pipe %d\n",
1100 info->pipe); 1114 info->pipe);
1101 return -2; 1115 return -2;
1102 } 1116 }
1103 /* Should be able to queue multiple buffers to receive on a pipe */ 1117 /* Should be able to queue multiple buffers
1118 * to receive on a pipe
1119 */
1104 if (pipe_active(dbri, info->pipe)) { 1120 if (pipe_active(dbri, info->pipe)) {
1105 printk(KERN_ERR "DBRI: recv_on_pipe: Called on active pipe %d\n", 1121 printk(KERN_ERR "DBRI: recv_on_pipe: "
1106 info->pipe); 1122 "Called on active pipe %d\n", info->pipe);
1107 return -2; 1123 return -2;
1108 } 1124 }
1109 1125
@@ -1113,11 +1129,13 @@ static int setup_descs(struct snd_dbri * dbri, int streamno, unsigned int period
1113 1129
1114 /* Free descriptors if pipe has any */ 1130 /* Free descriptors if pipe has any */
1115 desc = dbri->pipes[info->pipe].first_desc; 1131 desc = dbri->pipes[info->pipe].first_desc;
1116 if ( desc >= 0) 1132 if (desc >= 0)
1117 do { 1133 do {
1118 dbri->dma->desc[desc].nda = dbri->dma->desc[desc].ba = 0; 1134 dbri->dma->desc[desc].ba = 0;
1135 dbri->dma->desc[desc].nda = 0;
1119 desc = dbri->next_desc[desc]; 1136 desc = dbri->next_desc[desc];
1120 } while (desc != -1 && desc != dbri->pipes[info->pipe].first_desc); 1137 } while (desc != -1 &&
1138 desc != dbri->pipes[info->pipe].first_desc);
1121 1139
1122 dbri->pipes[info->pipe].desc = -1; 1140 dbri->pipes[info->pipe].desc = -1;
1123 dbri->pipes[info->pipe].first_desc = -1; 1141 dbri->pipes[info->pipe].first_desc = -1;
@@ -1150,8 +1168,7 @@ static int setup_descs(struct snd_dbri * dbri, int streamno, unsigned int period
1150 if (streamno == DBRI_PLAY) { 1168 if (streamno == DBRI_PLAY) {
1151 dbri->dma->desc[desc].word1 = DBRI_TD_CNT(mylen); 1169 dbri->dma->desc[desc].word1 = DBRI_TD_CNT(mylen);
1152 dbri->dma->desc[desc].word4 = 0; 1170 dbri->dma->desc[desc].word4 = 0;
1153 dbri->dma->desc[desc].word1 |= 1171 dbri->dma->desc[desc].word1 |= DBRI_TD_F | DBRI_TD_B;
1154 DBRI_TD_F | DBRI_TD_B;
1155 } else { 1172 } else {
1156 dbri->dma->desc[desc].word1 = 0; 1173 dbri->dma->desc[desc].word1 = 0;
1157 dbri->dma->desc[desc].word4 = 1174 dbri->dma->desc[desc].word4 =
@@ -1172,7 +1189,8 @@ static int setup_descs(struct snd_dbri * dbri, int streamno, unsigned int period
1172 } 1189 }
1173 1190
1174 if (first_desc == -1 || last_desc == -1) { 1191 if (first_desc == -1 || last_desc == -1) {
1175 printk(KERN_ERR "DBRI: setup_descs: Not enough descriptors available\n"); 1192 printk(KERN_ERR "DBRI: setup_descs: "
1193 " Not enough descriptors available\n");
1176 return -1; 1194 return -1;
1177 } 1195 }
1178 1196
@@ -1183,14 +1201,14 @@ static int setup_descs(struct snd_dbri * dbri, int streamno, unsigned int period
1183 dbri->pipes[info->pipe].desc = first_desc; 1201 dbri->pipes[info->pipe].desc = first_desc;
1184 1202
1185#ifdef DBRI_DEBUG 1203#ifdef DBRI_DEBUG
1186 for (desc = first_desc; desc != -1; ) { 1204 for (desc = first_desc; desc != -1;) {
1187 dprintk(D_DESC, "DESC %d: %08x %08x %08x %08x\n", 1205 dprintk(D_DESC, "DESC %d: %08x %08x %08x %08x\n",
1188 desc, 1206 desc,
1189 dbri->dma->desc[desc].word1, 1207 dbri->dma->desc[desc].word1,
1190 dbri->dma->desc[desc].ba, 1208 dbri->dma->desc[desc].ba,
1191 dbri->dma->desc[desc].nda, dbri->dma->desc[desc].word4); 1209 dbri->dma->desc[desc].nda, dbri->dma->desc[desc].word4);
1192 desc = dbri->next_desc[desc]; 1210 desc = dbri->next_desc[desc];
1193 if ( desc == first_desc ) 1211 if (desc == first_desc)
1194 break; 1212 break;
1195 } 1213 }
1196#endif 1214#endif
@@ -1213,7 +1231,8 @@ enum master_or_slave { CHImaster, CHIslave };
1213/* 1231/*
1214 * Lock must not be held before calling it. 1232 * Lock must not be held before calling it.
1215 */ 1233 */
1216static void reset_chi(struct snd_dbri * dbri, enum master_or_slave master_or_slave, 1234static void reset_chi(struct snd_dbri *dbri,
1235 enum master_or_slave master_or_slave,
1217 int bits_per_frame) 1236 int bits_per_frame)
1218{ 1237{
1219 s32 *cmd; 1238 s32 *cmd;
@@ -1222,7 +1241,7 @@ static void reset_chi(struct snd_dbri * dbri, enum master_or_slave master_or_sla
1222 /* Set CHI Anchor: Pipe 16 */ 1241 /* Set CHI Anchor: Pipe 16 */
1223 1242
1224 cmd = dbri_cmdlock(dbri, 4); 1243 cmd = dbri_cmdlock(dbri, 4);
1225 val = D_DTS_VO | D_DTS_VI | D_DTS_INS 1244 val = D_DTS_VO | D_DTS_VI | D_DTS_INS
1226 | D_DTS_PRVIN(16) | D_PIPE(16) | D_DTS_PRVOUT(16); 1245 | D_DTS_PRVIN(16) | D_PIPE(16) | D_DTS_PRVOUT(16);
1227 *(cmd++) = DBRI_CMD(D_DTS, 0, val); 1246 *(cmd++) = DBRI_CMD(D_DTS, 0, val);
1228 *(cmd++) = D_TS_ANCHOR | D_TS_NEXT(16); 1247 *(cmd++) = D_TS_ANCHOR | D_TS_NEXT(16);
@@ -1246,15 +1265,16 @@ static void reset_chi(struct snd_dbri * dbri, enum master_or_slave master_or_sla
1246 } else { 1265 } else {
1247 /* Setup DBRI for CHI Master - generate clock, FS 1266 /* Setup DBRI for CHI Master - generate clock, FS
1248 * 1267 *
1249 * BPF = bits per 8 kHz frame 1268 * BPF = bits per 8 kHz frame
1250 * 12.288 MHz / CHICM_divisor = clock rate 1269 * 12.288 MHz / CHICM_divisor = clock rate
1251 * FD = 1 - drive CHIFS on rising edge of CHICK 1270 * FD = 1 - drive CHIFS on rising edge of CHICK
1252 */ 1271 */
1253 int clockrate = bits_per_frame * 8; 1272 int clockrate = bits_per_frame * 8;
1254 int divisor = 12288 / clockrate; 1273 int divisor = 12288 / clockrate;
1255 1274
1256 if (divisor > 255 || divisor * clockrate != 12288) 1275 if (divisor > 255 || divisor * clockrate != 12288)
1257 printk(KERN_ERR "DBRI: illegal bits_per_frame in setup_chi\n"); 1276 printk(KERN_ERR "DBRI: illegal bits_per_frame "
1277 "in setup_chi\n");
1258 1278
1259 *(cmd++) = DBRI_CMD(D_CHI, 0, D_CHI_CHICM(divisor) | D_CHI_FD 1279 *(cmd++) = DBRI_CMD(D_CHI, 0, D_CHI_CHICM(divisor) | D_CHI_FD
1260 | D_CHI_BPF(bits_per_frame)); 1280 | D_CHI_BPF(bits_per_frame));
@@ -1288,7 +1308,7 @@ to the DBRI via the CHI interface and few of the DBRI's PIO pins.
1288 * Lock must not be held before calling it. 1308 * Lock must not be held before calling it.
1289 1309
1290*/ 1310*/
1291static void cs4215_setup_pipes(struct snd_dbri * dbri) 1311static void cs4215_setup_pipes(struct snd_dbri *dbri)
1292{ 1312{
1293 unsigned long flags; 1313 unsigned long flags;
1294 1314
@@ -1303,9 +1323,9 @@ static void cs4215_setup_pipes(struct snd_dbri * dbri)
1303 * not relevant for us (only for doublechecking). 1323 * not relevant for us (only for doublechecking).
1304 * 1324 *
1305 * Control mode: 1325 * Control mode:
1306 * Pipe 17: Send timeslots 1-4 (slots 5-8 are readonly) 1326 * Pipe 17: Send timeslots 1-4 (slots 5-8 are read only)
1307 * Pipe 18: Receive timeslot 1 (clb). 1327 * Pipe 18: Receive timeslot 1 (clb).
1308 * Pipe 19: Receive timeslot 7 (version). 1328 * Pipe 19: Receive timeslot 7 (version).
1309 */ 1329 */
1310 1330
1311 setup_pipe(dbri, 4, D_SDP_MEM | D_SDP_TO_SER | D_SDP_MSB); 1331 setup_pipe(dbri, 4, D_SDP_MEM | D_SDP_TO_SER | D_SDP_MSB);
@@ -1355,7 +1375,7 @@ static int cs4215_init_data(struct cs4215 *mm)
1355 return 0; 1375 return 0;
1356} 1376}
1357 1377
1358static void cs4215_setdata(struct snd_dbri * dbri, int muted) 1378static void cs4215_setdata(struct snd_dbri *dbri, int muted)
1359{ 1379{
1360 if (muted) { 1380 if (muted) {
1361 dbri->mm.data[0] |= 63; 1381 dbri->mm.data[0] |= 63;
@@ -1387,7 +1407,7 @@ static void cs4215_setdata(struct snd_dbri * dbri, int muted)
1387/* 1407/*
1388 * Set the CS4215 to data mode. 1408 * Set the CS4215 to data mode.
1389 */ 1409 */
1390static void cs4215_open(struct snd_dbri * dbri) 1410static void cs4215_open(struct snd_dbri *dbri)
1391{ 1411{
1392 int data_width; 1412 int data_width;
1393 u32 tmp; 1413 u32 tmp;
@@ -1452,7 +1472,7 @@ static void cs4215_open(struct snd_dbri * dbri)
1452/* 1472/*
1453 * Send the control information (i.e. audio format) 1473 * Send the control information (i.e. audio format)
1454 */ 1474 */
1455static int cs4215_setctrl(struct snd_dbri * dbri) 1475static int cs4215_setctrl(struct snd_dbri *dbri)
1456{ 1476{
1457 int i, val; 1477 int i, val;
1458 u32 tmp; 1478 u32 tmp;
@@ -1502,9 +1522,9 @@ static int cs4215_setctrl(struct snd_dbri * dbri)
1502 1522
1503 /* 1523 /*
1504 * Control mode: 1524 * Control mode:
1505 * Pipe 17: Send timeslots 1-4 (slots 5-8 are readonly) 1525 * Pipe 17: Send timeslots 1-4 (slots 5-8 are read only)
1506 * Pipe 18: Receive timeslot 1 (clb). 1526 * Pipe 18: Receive timeslot 1 (clb).
1507 * Pipe 19: Receive timeslot 7 (version). 1527 * Pipe 19: Receive timeslot 7 (version).
1508 */ 1528 */
1509 1529
1510 link_time_slot(dbri, 17, 16, 16, 32, dbri->mm.offset); 1530 link_time_slot(dbri, 17, 16, 16, 32, dbri->mm.offset);
@@ -1522,9 +1542,9 @@ static int cs4215_setctrl(struct snd_dbri * dbri)
1522 sbus_writel(tmp, dbri->regs + REG0); 1542 sbus_writel(tmp, dbri->regs + REG0);
1523 spin_unlock_irqrestore(&dbri->lock, flags); 1543 spin_unlock_irqrestore(&dbri->lock, flags);
1524 1544
1525 for (i = 10; ((dbri->mm.status & 0xe4) != 0x20); --i) { 1545 for (i = 10; ((dbri->mm.status & 0xe4) != 0x20); --i)
1526 msleep_interruptible(1); 1546 msleep_interruptible(1);
1527 } 1547
1528 if (i == 0) { 1548 if (i == 0) {
1529 dprintk(D_MM, "CS4215 didn't respond to CLB (0x%02x)\n", 1549 dprintk(D_MM, "CS4215 didn't respond to CLB (0x%02x)\n",
1530 dbri->mm.status); 1550 dbri->mm.status);
@@ -1556,7 +1576,7 @@ static int cs4215_setctrl(struct snd_dbri * dbri)
1556 * As part of the process we resend the settings for the data 1576 * As part of the process we resend the settings for the data
1557 * timeslots as well. 1577 * timeslots as well.
1558 */ 1578 */
1559static int cs4215_prepare(struct snd_dbri * dbri, unsigned int rate, 1579static int cs4215_prepare(struct snd_dbri *dbri, unsigned int rate,
1560 snd_pcm_format_t format, unsigned int channels) 1580 snd_pcm_format_t format, unsigned int channels)
1561{ 1581{
1562 int freq_idx; 1582 int freq_idx;
@@ -1613,7 +1633,7 @@ static int cs4215_prepare(struct snd_dbri * dbri, unsigned int rate,
1613/* 1633/*
1614 * 1634 *
1615 */ 1635 */
1616static int cs4215_init(struct snd_dbri * dbri) 1636static int cs4215_init(struct snd_dbri *dbri)
1617{ 1637{
1618 u32 reg2 = sbus_readl(dbri->regs + REG2); 1638 u32 reg2 = sbus_readl(dbri->regs + REG2);
1619 dprintk(D_MM, "cs4215_init: reg2=0x%x\n", reg2); 1639 dprintk(D_MM, "cs4215_init: reg2=0x%x\n", reg2);
@@ -1674,7 +1694,7 @@ interrupts are disabled.
1674 1694
1675/* xmit_descs() 1695/* xmit_descs()
1676 * 1696 *
1677 * Starts transmiting the current TD's for recording/playing. 1697 * Starts transmitting the current TD's for recording/playing.
1678 * For playback, ALSA has filled the DMA memory with new data (we hope). 1698 * For playback, ALSA has filled the DMA memory with new data (we hope).
1679 */ 1699 */
1680static void xmit_descs(struct snd_dbri *dbri) 1700static void xmit_descs(struct snd_dbri *dbri)
@@ -1701,7 +1721,8 @@ static void xmit_descs(struct snd_dbri *dbri)
1701 *(cmd++) = DBRI_CMD(D_SDP, 0, 1721 *(cmd++) = DBRI_CMD(D_SDP, 0,
1702 dbri->pipes[info->pipe].sdp 1722 dbri->pipes[info->pipe].sdp
1703 | D_SDP_P | D_SDP_EVERY | D_SDP_C); 1723 | D_SDP_P | D_SDP_EVERY | D_SDP_C);
1704 *(cmd++) = dbri->dma_dvma + dbri_dma_off(desc, first_td); 1724 *(cmd++) = dbri->dma_dvma +
1725 dbri_dma_off(desc, first_td);
1705 dbri_cmdsend(dbri, cmd, 2); 1726 dbri_cmdsend(dbri, cmd, 2);
1706 1727
1707 /* Reset our admin of the pipe. */ 1728 /* Reset our admin of the pipe. */
@@ -1722,7 +1743,8 @@ static void xmit_descs(struct snd_dbri *dbri)
1722 *(cmd++) = DBRI_CMD(D_SDP, 0, 1743 *(cmd++) = DBRI_CMD(D_SDP, 0,
1723 dbri->pipes[info->pipe].sdp 1744 dbri->pipes[info->pipe].sdp
1724 | D_SDP_P | D_SDP_EVERY | D_SDP_C); 1745 | D_SDP_P | D_SDP_EVERY | D_SDP_C);
1725 *(cmd++) = dbri->dma_dvma + dbri_dma_off(desc, first_td); 1746 *(cmd++) = dbri->dma_dvma +
1747 dbri_dma_off(desc, first_td);
1726 dbri_cmdsend(dbri, cmd, 2); 1748 dbri_cmdsend(dbri, cmd, 2);
1727 1749
1728 /* Reset our admin of the pipe. */ 1750 /* Reset our admin of the pipe. */
@@ -1747,7 +1769,7 @@ static void xmit_descs(struct snd_dbri *dbri)
1747 * 1769 *
1748 */ 1770 */
1749 1771
1750static void transmission_complete_intr(struct snd_dbri * dbri, int pipe) 1772static void transmission_complete_intr(struct snd_dbri *dbri, int pipe)
1751{ 1773{
1752 struct dbri_streaminfo *info; 1774 struct dbri_streaminfo *info;
1753 int td; 1775 int td;
@@ -1763,9 +1785,8 @@ static void transmission_complete_intr(struct snd_dbri * dbri, int pipe)
1763 } 1785 }
1764 1786
1765 status = DBRI_TD_STATUS(dbri->dma->desc[td].word4); 1787 status = DBRI_TD_STATUS(dbri->dma->desc[td].word4);
1766 if (!(status & DBRI_TD_TBC)) { 1788 if (!(status & DBRI_TD_TBC))
1767 break; 1789 break;
1768 }
1769 1790
1770 dprintk(D_INT, "TD %d, status 0x%02x\n", td, status); 1791 dprintk(D_INT, "TD %d, status 0x%02x\n", td, status);
1771 1792
@@ -1785,7 +1806,7 @@ static void transmission_complete_intr(struct snd_dbri * dbri, int pipe)
1785 snd_pcm_period_elapsed(info->substream); 1806 snd_pcm_period_elapsed(info->substream);
1786} 1807}
1787 1808
1788static void reception_complete_intr(struct snd_dbri * dbri, int pipe) 1809static void reception_complete_intr(struct snd_dbri *dbri, int pipe)
1789{ 1810{
1790 struct dbri_streaminfo *info; 1811 struct dbri_streaminfo *info;
1791 int rd = dbri->pipes[pipe].desc; 1812 int rd = dbri->pipes[pipe].desc;
@@ -1817,7 +1838,7 @@ static void reception_complete_intr(struct snd_dbri * dbri, int pipe)
1817 snd_pcm_period_elapsed(info->substream); 1838 snd_pcm_period_elapsed(info->substream);
1818} 1839}
1819 1840
1820static void dbri_process_one_interrupt(struct snd_dbri * dbri, int x) 1841static void dbri_process_one_interrupt(struct snd_dbri *dbri, int x)
1821{ 1842{
1822 int val = D_INTR_GETVAL(x); 1843 int val = D_INTR_GETVAL(x);
1823 int channel = D_INTR_GETCHAN(x); 1844 int channel = D_INTR_GETCHAN(x);
@@ -1889,7 +1910,7 @@ static void dbri_process_one_interrupt(struct snd_dbri * dbri, int x)
1889 * right now). Non-zero words require processing and are handed off 1910 * right now). Non-zero words require processing and are handed off
1890 * to dbri_process_one_interrupt AFTER advancing the pointer. 1911 * to dbri_process_one_interrupt AFTER advancing the pointer.
1891 */ 1912 */
1892static void dbri_process_interrupt_buffer(struct snd_dbri * dbri) 1913static void dbri_process_interrupt_buffer(struct snd_dbri *dbri)
1893{ 1914{
1894 s32 x; 1915 s32 x;
1895 1916
@@ -1965,15 +1986,15 @@ static irqreturn_t snd_dbri_interrupt(int irq, void *dev_id)
1965 PCM Interface 1986 PCM Interface
1966****************************************************************************/ 1987****************************************************************************/
1967static struct snd_pcm_hardware snd_dbri_pcm_hw = { 1988static struct snd_pcm_hardware snd_dbri_pcm_hw = {
1968 .info = (SNDRV_PCM_INFO_MMAP | 1989 .info = (SNDRV_PCM_INFO_MMAP |
1969 SNDRV_PCM_INFO_INTERLEAVED | 1990 SNDRV_PCM_INFO_INTERLEAVED |
1970 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1991 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1971 SNDRV_PCM_INFO_MMAP_VALID), 1992 SNDRV_PCM_INFO_MMAP_VALID),
1972 .formats = SNDRV_PCM_FMTBIT_MU_LAW | 1993 .formats = SNDRV_PCM_FMTBIT_MU_LAW |
1973 SNDRV_PCM_FMTBIT_A_LAW | 1994 SNDRV_PCM_FMTBIT_A_LAW |
1974 SNDRV_PCM_FMTBIT_U8 | 1995 SNDRV_PCM_FMTBIT_U8 |
1975 SNDRV_PCM_FMTBIT_S16_BE, 1996 SNDRV_PCM_FMTBIT_S16_BE,
1976 .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_5512, 1997 .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_5512,
1977 .rate_min = 5512, 1998 .rate_min = 5512,
1978 .rate_max = 48000, 1999 .rate_max = 48000,
1979 .channels_min = 1, 2000 .channels_min = 1,
@@ -2011,7 +2032,8 @@ static int snd_hw_rule_channels(struct snd_pcm_hw_params *params,
2011 2032
2012 snd_interval_any(&ch); 2033 snd_interval_any(&ch);
2013 if (!(f->bits[0] & SNDRV_PCM_FMTBIT_S16_BE)) { 2034 if (!(f->bits[0] & SNDRV_PCM_FMTBIT_S16_BE)) {
2014 ch.min = ch.max = 1; 2035 ch.min = 1;
2036 ch.max = 1;
2015 ch.integer = 1; 2037 ch.integer = 1;
2016 return snd_interval_refine(c, &ch); 2038 return snd_interval_refine(c, &ch);
2017 } 2039 }
@@ -2035,14 +2057,14 @@ static int snd_dbri_open(struct snd_pcm_substream *substream)
2035 info->pipe = -1; 2057 info->pipe = -1;
2036 spin_unlock_irqrestore(&dbri->lock, flags); 2058 spin_unlock_irqrestore(&dbri->lock, flags);
2037 2059
2038 snd_pcm_hw_rule_add(runtime,0,SNDRV_PCM_HW_PARAM_CHANNELS, 2060 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2039 snd_hw_rule_format, NULL, SNDRV_PCM_HW_PARAM_FORMAT, 2061 snd_hw_rule_format, NULL, SNDRV_PCM_HW_PARAM_FORMAT,
2040 -1); 2062 -1);
2041 snd_pcm_hw_rule_add(runtime,0,SNDRV_PCM_HW_PARAM_FORMAT, 2063 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT,
2042 snd_hw_rule_channels, NULL, 2064 snd_hw_rule_channels, NULL,
2043 SNDRV_PCM_HW_PARAM_CHANNELS, 2065 SNDRV_PCM_HW_PARAM_CHANNELS,
2044 -1); 2066 -1);
2045 2067
2046 cs4215_open(dbri); 2068 cs4215_open(dbri);
2047 2069
2048 return 0; 2070 return 0;
@@ -2145,7 +2167,7 @@ static int snd_dbri_prepare(struct snd_pcm_substream *substream)
2145 spin_lock_irq(&dbri->lock); 2167 spin_lock_irq(&dbri->lock);
2146 info->offset = 0; 2168 info->offset = 0;
2147 2169
2148 /* Setup the all the transmit/receive desciptors to cover the 2170 /* Setup the all the transmit/receive descriptors to cover the
2149 * whole DMA buffer. 2171 * whole DMA buffer.
2150 */ 2172 */
2151 ret = setup_descs(dbri, DBRI_STREAMNO(substream), 2173 ret = setup_descs(dbri, DBRI_STREAMNO(substream),
@@ -2205,7 +2227,7 @@ static struct snd_pcm_ops snd_dbri_ops = {
2205 .pointer = snd_dbri_pointer, 2227 .pointer = snd_dbri_pointer,
2206}; 2228};
2207 2229
2208static int __devinit snd_dbri_pcm(struct snd_dbri * dbri) 2230static int __devinit snd_dbri_pcm(struct snd_dbri *dbri)
2209{ 2231{
2210 struct snd_pcm *pcm; 2232 struct snd_pcm *pcm;
2211 int err; 2233 int err;
@@ -2228,9 +2250,8 @@ static int __devinit snd_dbri_pcm(struct snd_dbri * dbri)
2228 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, 2250 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm,
2229 SNDRV_DMA_TYPE_CONTINUOUS, 2251 SNDRV_DMA_TYPE_CONTINUOUS,
2230 snd_dma_continuous_data(GFP_KERNEL), 2252 snd_dma_continuous_data(GFP_KERNEL),
2231 64 * 1024, 64 * 1024)) < 0) { 2253 64 * 1024, 64 * 1024)) < 0)
2232 return err; 2254 return err;
2233 }
2234 2255
2235 return 0; 2256 return 0;
2236} 2257}
@@ -2271,7 +2292,8 @@ static int snd_cs4215_put_volume(struct snd_kcontrol *kcontrol,
2271 struct snd_ctl_elem_value *ucontrol) 2292 struct snd_ctl_elem_value *ucontrol)
2272{ 2293{
2273 struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol); 2294 struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol);
2274 struct dbri_streaminfo *info = &dbri->stream_info[kcontrol->private_value]; 2295 struct dbri_streaminfo *info =
2296 &dbri->stream_info[kcontrol->private_value];
2275 int changed = 0; 2297 int changed = 0;
2276 2298
2277 if (info->left_gain != ucontrol->value.integer.value[0]) { 2299 if (info->left_gain != ucontrol->value.integer.value[0]) {
@@ -2316,18 +2338,16 @@ static int snd_cs4215_get_single(struct snd_kcontrol *kcontrol,
2316 int invert = (kcontrol->private_value >> 24) & 1; 2338 int invert = (kcontrol->private_value >> 24) & 1;
2317 snd_assert(dbri != NULL, return -EINVAL); 2339 snd_assert(dbri != NULL, return -EINVAL);
2318 2340
2319 if (elem < 4) { 2341 if (elem < 4)
2320 ucontrol->value.integer.value[0] = 2342 ucontrol->value.integer.value[0] =
2321 (dbri->mm.data[elem] >> shift) & mask; 2343 (dbri->mm.data[elem] >> shift) & mask;
2322 } else { 2344 else
2323 ucontrol->value.integer.value[0] = 2345 ucontrol->value.integer.value[0] =
2324 (dbri->mm.ctrl[elem - 4] >> shift) & mask; 2346 (dbri->mm.ctrl[elem - 4] >> shift) & mask;
2325 }
2326 2347
2327 if (invert == 1) { 2348 if (invert == 1)
2328 ucontrol->value.integer.value[0] = 2349 ucontrol->value.integer.value[0] =
2329 mask - ucontrol->value.integer.value[0]; 2350 mask - ucontrol->value.integer.value[0];
2330 }
2331 return 0; 2351 return 0;
2332} 2352}
2333 2353
@@ -2378,11 +2398,12 @@ static int snd_cs4215_put_single(struct snd_kcontrol *kcontrol,
2378 timeslots. Shift is the bit offset in the timeslot, mask defines the 2398 timeslots. Shift is the bit offset in the timeslot, mask defines the
2379 number of bits. invert is a boolean for use with attenuation. 2399 number of bits. invert is a boolean for use with attenuation.
2380 */ 2400 */
2381#define CS4215_SINGLE(xname, entry, shift, mask, invert) \ 2401#define CS4215_SINGLE(xname, entry, shift, mask, invert) \
2382{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 2402{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
2383 .info = snd_cs4215_info_single, \ 2403 .info = snd_cs4215_info_single, \
2384 .get = snd_cs4215_get_single, .put = snd_cs4215_put_single, \ 2404 .get = snd_cs4215_get_single, .put = snd_cs4215_put_single, \
2385 .private_value = entry | (shift << 8) | (mask << 16) | (invert << 24) }, 2405 .private_value = (entry) | ((shift) << 8) | ((mask) << 16) | \
2406 ((invert) << 24) },
2386 2407
2387static struct snd_kcontrol_new dbri_controls[] __devinitdata = { 2408static struct snd_kcontrol_new dbri_controls[] __devinitdata = {
2388 { 2409 {
@@ -2411,7 +2432,7 @@ static struct snd_kcontrol_new dbri_controls[] __devinitdata = {
2411 CS4215_SINGLE("Mic boost", 4, 4, 1, 1) 2432 CS4215_SINGLE("Mic boost", 4, 4, 1, 1)
2412}; 2433};
2413 2434
2414static int __init snd_dbri_mixer(struct snd_dbri * dbri) 2435static int __init snd_dbri_mixer(struct snd_dbri *dbri)
2415{ 2436{
2416 struct snd_card *card; 2437 struct snd_card *card;
2417 int idx, err; 2438 int idx, err;
@@ -2438,7 +2459,8 @@ static int __init snd_dbri_mixer(struct snd_dbri * dbri)
2438/**************************************************************************** 2459/****************************************************************************
2439 /proc interface 2460 /proc interface
2440****************************************************************************/ 2461****************************************************************************/
2441static void dbri_regs_read(struct snd_info_entry * entry, struct snd_info_buffer *buffer) 2462static void dbri_regs_read(struct snd_info_entry *entry,
2463 struct snd_info_buffer *buffer)
2442{ 2464{
2443 struct snd_dbri *dbri = entry->private_data; 2465 struct snd_dbri *dbri = entry->private_data;
2444 2466
@@ -2449,7 +2471,7 @@ static void dbri_regs_read(struct snd_info_entry * entry, struct snd_info_buffer
2449} 2471}
2450 2472
2451#ifdef DBRI_DEBUG 2473#ifdef DBRI_DEBUG
2452static void dbri_debug_read(struct snd_info_entry * entry, 2474static void dbri_debug_read(struct snd_info_entry *entry,
2453 struct snd_info_buffer *buffer) 2475 struct snd_info_buffer *buffer)
2454{ 2476{
2455 struct snd_dbri *dbri = entry->private_data; 2477 struct snd_dbri *dbri = entry->private_data;
@@ -2463,7 +2485,8 @@ static void dbri_debug_read(struct snd_info_entry * entry,
2463 "Pipe %d: %s SDP=0x%x desc=%d, " 2485 "Pipe %d: %s SDP=0x%x desc=%d, "
2464 "len=%d next %d\n", 2486 "len=%d next %d\n",
2465 pipe, 2487 pipe,
2466 ((pptr->sdp & D_SDP_TO_SER) ? "output" : "input"), 2488 ((pptr->sdp & D_SDP_TO_SER) ? "output" :
2489 "input"),
2467 pptr->sdp, pptr->desc, 2490 pptr->sdp, pptr->desc,
2468 pptr->length, pptr->nextpipe); 2491 pptr->length, pptr->nextpipe);
2469 } 2492 }
@@ -2471,11 +2494,11 @@ static void dbri_debug_read(struct snd_info_entry * entry,
2471} 2494}
2472#endif 2495#endif
2473 2496
2474void snd_dbri_proc(struct snd_dbri * dbri) 2497void snd_dbri_proc(struct snd_dbri *dbri)
2475{ 2498{
2476 struct snd_info_entry *entry; 2499 struct snd_info_entry *entry;
2477 2500
2478 if (! snd_card_proc_new(dbri->card, "regs", &entry)) 2501 if (!snd_card_proc_new(dbri->card, "regs", &entry))
2479 snd_info_set_text_ops(entry, dbri, dbri_regs_read); 2502 snd_info_set_text_ops(entry, dbri, dbri_regs_read);
2480 2503
2481#ifdef DBRI_DEBUG 2504#ifdef DBRI_DEBUG
@@ -2491,7 +2514,7 @@ void snd_dbri_proc(struct snd_dbri * dbri)
2491**************************** Initialization ******************************** 2514**************************** Initialization ********************************
2492**************************************************************************** 2515****************************************************************************
2493*/ 2516*/
2494static void snd_dbri_free(struct snd_dbri * dbri); 2517static void snd_dbri_free(struct snd_dbri *dbri);
2495 2518
2496static int __init snd_dbri_create(struct snd_card *card, 2519static int __init snd_dbri_create(struct snd_card *card,
2497 struct sbus_dev *sdev, 2520 struct sbus_dev *sdev,
@@ -2547,7 +2570,7 @@ static int __init snd_dbri_create(struct snd_card *card,
2547 return 0; 2570 return 0;
2548} 2571}
2549 2572
2550static void snd_dbri_free(struct snd_dbri * dbri) 2573static void snd_dbri_free(struct snd_dbri *dbri)
2551{ 2574{
2552 dprintk(D_GEN, "snd_dbri_free\n"); 2575 dprintk(D_GEN, "snd_dbri_free\n");
2553 dbri_reset(dbri); 2576 dbri_reset(dbri);
@@ -2587,7 +2610,8 @@ static int __init dbri_attach(int prom_node, struct sbus_dev *sdev)
2587 2610
2588 err = prom_getproperty(prom_node, "intr", (char *)&irq, sizeof(irq)); 2611 err = prom_getproperty(prom_node, "intr", (char *)&irq, sizeof(irq));
2589 if (err < 0) { 2612 if (err < 0) {
2590 printk(KERN_ERR "DBRI-%d: Firmware node lacks IRQ property.\n", dev); 2613 printk(KERN_ERR "DBRI-%d: Firmware node lacks IRQ property.\n",
2614 dev);
2591 return -ENODEV; 2615 return -ENODEV;
2592 } 2616 }
2593 2617
@@ -2613,12 +2637,14 @@ static int __init dbri_attach(int prom_node, struct sbus_dev *sdev)
2613 goto _err; 2637 goto _err;
2614 2638
2615 if ((err = snd_dbri_mixer(dbri)) < 0) 2639 if ((err = snd_dbri_mixer(dbri)) < 0)
2640 if ((err = snd_dbri_mixer(dbri)) < 0)
2616 goto _err; 2641 goto _err;
2617 2642
2618 /* /proc file handling */ 2643 /* /proc file handling */
2619 snd_dbri_proc(dbri); 2644 snd_dbri_proc(dbri);
2620 2645
2621 if ((err = snd_card_register(card)) < 0) 2646 err = snd_card_register(card);
2647 if (err < 0)
2622 goto _err; 2648 goto _err;
2623 2649
2624 printk(KERN_INFO "audio%d at %p (irq %d) is DBRI(%c)+CS4215(%d)\n", 2650 printk(KERN_INFO "audio%d at %p (irq %d) is DBRI(%c)+CS4215(%d)\n",
@@ -2628,7 +2654,7 @@ static int __init dbri_attach(int prom_node, struct sbus_dev *sdev)
2628 2654
2629 return 0; 2655 return 0;
2630 2656
2631 _err: 2657_err:
2632 snd_dbri_free(dbri); 2658 snd_dbri_free(dbri);
2633 snd_card_free(card); 2659 snd_card_free(card);
2634 return err; 2660 return err;