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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Driver for CS4231 sound chips found on Sparcs.
David S. Millerae251032008-08-27 18:24:01 -07003 * Copyright (C) 2002, 2008 David S. Miller <davem@davemloft.net>
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
5 * Based entirely upon drivers/sbus/audio/cs4231.c which is:
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02006 * Copyright (C) 1996, 1997, 1998 Derrick J Brashear (shadow@andrew.cmu.edu)
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * and also sound/isa/cs423x/cs4231_lib.c which is:
Jaroslav Kyselac1017a42007-10-15 09:50:19 +02008 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 */
10
Linus Torvalds1da177e2005-04-16 15:20:36 -070011#include <linux/module.h>
12#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070013#include <linux/delay.h>
14#include <linux/init.h>
15#include <linux/interrupt.h>
16#include <linux/moduleparam.h>
Krzysztof Helt9e9abb42007-09-10 23:06:55 +020017#include <linux/irq.h>
18#include <linux/io.h>
David S. Millerae251032008-08-27 18:24:01 -070019#include <linux/of.h>
20#include <linux/of_device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070021
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include <sound/core.h>
23#include <sound/pcm.h>
24#include <sound/info.h>
25#include <sound/control.h>
26#include <sound/timer.h>
27#include <sound/initval.h>
28#include <sound/pcm_params.h>
29
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#ifdef CONFIG_SBUS
31#define SBUS_SUPPORT
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#endif
33
34#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)
35#define EBUS_SUPPORT
Linus Torvalds1da177e2005-04-16 15:20:36 -070036#include <linux/pci.h>
David S. Milleraae7fb82008-08-29 23:10:21 -070037#include <asm/ebus_dma.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#endif
39
40static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
41static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
Krzysztof Helt9e9abb42007-09-10 23:06:55 +020042/* Enable this card */
Rusty Russella67ff6a2011-12-15 13:49:36 +103043static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
45module_param_array(index, int, NULL, 0444);
46MODULE_PARM_DESC(index, "Index value for Sun CS4231 soundcard.");
47module_param_array(id, charp, NULL, 0444);
48MODULE_PARM_DESC(id, "ID string for Sun CS4231 soundcard.");
49module_param_array(enable, bool, NULL, 0444);
50MODULE_PARM_DESC(enable, "Enable Sun CS4231 soundcard.");
51MODULE_AUTHOR("Jaroslav Kysela, Derrick J. Brashear and David S. Miller");
52MODULE_DESCRIPTION("Sun CS4231");
53MODULE_LICENSE("GPL");
54MODULE_SUPPORTED_DEVICE("{{Sun,CS4231}}");
55
Georg Chini5a820fa2005-11-07 14:08:25 -080056#ifdef SBUS_SUPPORT
Takashi Iwaibe9b7e82006-01-03 13:42:38 +010057struct sbus_dma_info {
Krzysztof Helt9e9abb42007-09-10 23:06:55 +020058 spinlock_t lock; /* DMA access lock */
59 int dir;
60 void __iomem *regs;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +010061};
Georg Chini5a820fa2005-11-07 14:08:25 -080062#endif
63
David S. Miller4f3f2f62006-01-17 15:55:58 -080064struct snd_cs4231;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +010065struct cs4231_dma_control {
Krzysztof Helt9e9abb42007-09-10 23:06:55 +020066 void (*prepare)(struct cs4231_dma_control *dma_cont,
67 int dir);
68 void (*enable)(struct cs4231_dma_control *dma_cont, int on);
69 int (*request)(struct cs4231_dma_control *dma_cont,
70 dma_addr_t bus_addr, size_t len);
71 unsigned int (*address)(struct cs4231_dma_control *dma_cont);
Georg Chinib1282542005-11-07 14:09:19 -080072#ifdef EBUS_SUPPORT
73 struct ebus_dma_info ebus_info;
74#endif
75#ifdef SBUS_SUPPORT
76 struct sbus_dma_info sbus_info;
77#endif
Takashi Iwaibe9b7e82006-01-03 13:42:38 +010078};
Georg Chinib1282542005-11-07 14:09:19 -080079
80struct snd_cs4231 {
Krzysztof Helt9e9abb42007-09-10 23:06:55 +020081 spinlock_t lock; /* registers access lock */
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 void __iomem *port;
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
Takashi Iwaibe9b7e82006-01-03 13:42:38 +010084 struct cs4231_dma_control p_dma;
85 struct cs4231_dma_control c_dma;
Georg Chini5a820fa2005-11-07 14:08:25 -080086
Linus Torvalds1da177e2005-04-16 15:20:36 -070087 u32 flags;
88#define CS4231_FLAG_EBUS 0x00000001
89#define CS4231_FLAG_PLAYBACK 0x00000002
90#define CS4231_FLAG_CAPTURE 0x00000004
91
Takashi Iwaibe9b7e82006-01-03 13:42:38 +010092 struct snd_card *card;
93 struct snd_pcm *pcm;
94 struct snd_pcm_substream *playback_substream;
Linus Torvalds1da177e2005-04-16 15:20:36 -070095 unsigned int p_periods_sent;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +010096 struct snd_pcm_substream *capture_substream;
Linus Torvalds1da177e2005-04-16 15:20:36 -070097 unsigned int c_periods_sent;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +010098 struct snd_timer *timer;
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
100 unsigned short mode;
101#define CS4231_MODE_NONE 0x0000
102#define CS4231_MODE_PLAY 0x0001
103#define CS4231_MODE_RECORD 0x0002
104#define CS4231_MODE_TIMER 0x0004
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200105#define CS4231_MODE_OPEN (CS4231_MODE_PLAY | CS4231_MODE_RECORD | \
106 CS4231_MODE_TIMER)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107
108 unsigned char image[32]; /* registers image */
109 int mce_bit;
110 int calibrate_mute;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200111 struct mutex mce_mutex; /* mutex for mce register */
112 struct mutex open_mutex; /* mutex for ALSA open/close */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113
Grant Likely2dc11582010-08-06 09:25:50 -0600114 struct platform_device *op;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115 unsigned int irq[2];
116 unsigned int regs_size;
117 struct snd_cs4231 *next;
Georg Chinib1282542005-11-07 14:09:19 -0800118};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120/* Eventually we can use sound/isa/cs423x/cs4231_lib.c directly, but for
121 * now.... -DaveM
122 */
123
124/* IO ports */
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200125#include <sound/cs4231-regs.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
127/* XXX offsets are different than PC ISA chips... */
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200128#define CS4231U(chip, x) ((chip)->port + ((c_d_c_CS4231##x) << 2))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
130/* SBUS DMA register defines. */
131
132#define APCCSR 0x10UL /* APC DMA CSR */
133#define APCCVA 0x20UL /* APC Capture DMA Address */
134#define APCCC 0x24UL /* APC Capture Count */
135#define APCCNVA 0x28UL /* APC Capture DMA Next Address */
136#define APCCNC 0x2cUL /* APC Capture Next Count */
137#define APCPVA 0x30UL /* APC Play DMA Address */
138#define APCPC 0x34UL /* APC Play Count */
139#define APCPNVA 0x38UL /* APC Play DMA Next Address */
140#define APCPNC 0x3cUL /* APC Play Next Count */
141
Georg Chini5a820fa2005-11-07 14:08:25 -0800142/* Defines for SBUS DMA-routines */
143
144#define APCVA 0x0UL /* APC DMA Address */
145#define APCC 0x4UL /* APC Count */
146#define APCNVA 0x8UL /* APC DMA Next Address */
147#define APCNC 0xcUL /* APC Next Count */
148#define APC_PLAY 0x30UL /* Play registers start at 0x30 */
149#define APC_RECORD 0x20UL /* Record registers start at 0x20 */
150
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151/* APCCSR bits */
152
153#define APC_INT_PENDING 0x800000 /* Interrupt Pending */
154#define APC_PLAY_INT 0x400000 /* Playback interrupt */
155#define APC_CAPT_INT 0x200000 /* Capture interrupt */
156#define APC_GENL_INT 0x100000 /* General interrupt */
157#define APC_XINT_ENA 0x80000 /* General ext int. enable */
158#define APC_XINT_PLAY 0x40000 /* Playback ext intr */
159#define APC_XINT_CAPT 0x20000 /* Capture ext intr */
160#define APC_XINT_GENL 0x10000 /* Error ext intr */
161#define APC_XINT_EMPT 0x8000 /* Pipe empty interrupt (0 write to pva) */
162#define APC_XINT_PEMP 0x4000 /* Play pipe empty (pva and pnva not set) */
163#define APC_XINT_PNVA 0x2000 /* Playback NVA dirty */
164#define APC_XINT_PENA 0x1000 /* play pipe empty Int enable */
165#define APC_XINT_COVF 0x800 /* Cap data dropped on floor */
166#define APC_XINT_CNVA 0x400 /* Capture NVA dirty */
167#define APC_XINT_CEMP 0x200 /* Capture pipe empty (cva and cnva not set) */
168#define APC_XINT_CENA 0x100 /* Cap. pipe empty int enable */
169#define APC_PPAUSE 0x80 /* Pause the play DMA */
170#define APC_CPAUSE 0x40 /* Pause the capture DMA */
171#define APC_CDC_RESET 0x20 /* CODEC RESET */
172#define APC_PDMA_READY 0x08 /* Play DMA Go */
173#define APC_CDMA_READY 0x04 /* Capture DMA Go */
174#define APC_CHIP_RESET 0x01 /* Reset the chip */
175
176/* EBUS DMA register offsets */
177
178#define EBDMA_CSR 0x00UL /* Control/Status */
179#define EBDMA_ADDR 0x04UL /* DMA Address */
180#define EBDMA_COUNT 0x08UL /* DMA Count */
181
182/*
183 * Some variables
184 */
185
186static unsigned char freq_bits[14] = {
187 /* 5510 */ 0x00 | CS4231_XTAL2,
188 /* 6620 */ 0x0E | CS4231_XTAL2,
189 /* 8000 */ 0x00 | CS4231_XTAL1,
190 /* 9600 */ 0x0E | CS4231_XTAL1,
191 /* 11025 */ 0x02 | CS4231_XTAL2,
192 /* 16000 */ 0x02 | CS4231_XTAL1,
193 /* 18900 */ 0x04 | CS4231_XTAL2,
194 /* 22050 */ 0x06 | CS4231_XTAL2,
195 /* 27042 */ 0x04 | CS4231_XTAL1,
196 /* 32000 */ 0x06 | CS4231_XTAL1,
197 /* 33075 */ 0x0C | CS4231_XTAL2,
198 /* 37800 */ 0x08 | CS4231_XTAL2,
199 /* 44100 */ 0x0A | CS4231_XTAL2,
200 /* 48000 */ 0x0C | CS4231_XTAL1
201};
202
203static unsigned int rates[14] = {
204 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050,
205 27042, 32000, 33075, 37800, 44100, 48000
206};
207
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100208static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200209 .count = ARRAY_SIZE(rates),
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210 .list = rates,
211};
212
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100213static int snd_cs4231_xrate(struct snd_pcm_runtime *runtime)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214{
215 return snd_pcm_hw_constraint_list(runtime, 0,
216 SNDRV_PCM_HW_PARAM_RATE,
217 &hw_constraints_rates);
218}
219
220static unsigned char snd_cs4231_original_image[32] =
221{
222 0x00, /* 00/00 - lic */
223 0x00, /* 01/01 - ric */
224 0x9f, /* 02/02 - la1ic */
225 0x9f, /* 03/03 - ra1ic */
226 0x9f, /* 04/04 - la2ic */
227 0x9f, /* 05/05 - ra2ic */
228 0xbf, /* 06/06 - loc */
229 0xbf, /* 07/07 - roc */
230 0x20, /* 08/08 - pdfr */
231 CS4231_AUTOCALIB, /* 09/09 - ic */
232 0x00, /* 0a/10 - pc */
233 0x00, /* 0b/11 - ti */
234 CS4231_MODE2, /* 0c/12 - mi */
235 0x00, /* 0d/13 - lbc */
236 0x00, /* 0e/14 - pbru */
237 0x00, /* 0f/15 - pbrl */
238 0x80, /* 10/16 - afei */
239 0x01, /* 11/17 - afeii */
240 0x9f, /* 12/18 - llic */
241 0x9f, /* 13/19 - rlic */
242 0x00, /* 14/20 - tlb */
243 0x00, /* 15/21 - thb */
244 0x00, /* 16/22 - la3mic/reserved */
245 0x00, /* 17/23 - ra3mic/reserved */
246 0x00, /* 18/24 - afs */
247 0x00, /* 19/25 - lamoc/version */
248 0x00, /* 1a/26 - mioc */
249 0x00, /* 1b/27 - ramoc/reserved */
250 0x20, /* 1c/28 - cdfr */
251 0x00, /* 1d/29 - res4 */
252 0x00, /* 1e/30 - cbru */
253 0x00, /* 1f/31 - cbrl */
254};
255
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100256static u8 __cs4231_readb(struct snd_cs4231 *cp, void __iomem *reg_addr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700257{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200258 if (cp->flags & CS4231_FLAG_EBUS)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259 return readb(reg_addr);
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200260 else
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261 return sbus_readb(reg_addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262}
263
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200264static void __cs4231_writeb(struct snd_cs4231 *cp, u8 val,
265 void __iomem *reg_addr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200267 if (cp->flags & CS4231_FLAG_EBUS)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700268 return writeb(val, reg_addr);
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200269 else
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270 return sbus_writeb(val, reg_addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271}
272
273/*
274 * Basic I/O functions
275 */
276
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200277static void snd_cs4231_ready(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278{
279 int timeout;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200281 for (timeout = 250; timeout > 0; timeout--) {
282 int val = __cs4231_readb(chip, CS4231U(chip, REGSEL));
283 if ((val & CS4231_INIT) == 0)
284 break;
285 udelay(100);
286 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287}
288
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200289static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg,
290 unsigned char value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200292 snd_cs4231_ready(chip);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700293#ifdef CONFIG_SND_DEBUG
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200294 if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200295 snd_printdd("out: auto calibration time out - reg = 0x%x, "
296 "value = 0x%x\n",
297 reg, value);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700298#endif
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200299 __cs4231_writeb(chip, chip->mce_bit | reg, CS4231U(chip, REGSEL));
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200300 wmb();
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200301 __cs4231_writeb(chip, value, CS4231U(chip, REG));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302 mb();
303}
304
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200305static inline void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg,
306 unsigned char mask, unsigned char value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200308 unsigned char tmp = (chip->image[reg] & mask) | value;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200310 chip->image[reg] = tmp;
311 if (!chip->calibrate_mute)
312 snd_cs4231_dout(chip, reg, tmp);
313}
314
315static void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg,
316 unsigned char value)
317{
318 snd_cs4231_dout(chip, reg, value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700319 chip->image[reg] = value;
320 mb();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321}
322
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100323static unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200325 snd_cs4231_ready(chip);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326#ifdef CONFIG_SND_DEBUG
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200327 if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200328 snd_printdd("in: auto calibration time out - reg = 0x%x\n",
329 reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700330#endif
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200331 __cs4231_writeb(chip, chip->mce_bit | reg, CS4231U(chip, REGSEL));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700332 mb();
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200333 return __cs4231_readb(chip, CS4231U(chip, REG));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334}
335
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336/*
337 * CS4231 detection / MCE routines
338 */
339
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100340static void snd_cs4231_busy_wait(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700341{
342 int timeout;
343
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200344 /* looks like this sequence is proper for CS4231A chip (GUS MAX) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700345 for (timeout = 5; timeout > 0; timeout--)
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200346 __cs4231_readb(chip, CS4231U(chip, REGSEL));
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700347
Linus Torvalds1da177e2005-04-16 15:20:36 -0700348 /* end of cleanup sequence */
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200349 for (timeout = 500; timeout > 0; timeout--) {
350 int val = __cs4231_readb(chip, CS4231U(chip, REGSEL));
351 if ((val & CS4231_INIT) == 0)
352 break;
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200353 msleep(1);
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200354 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355}
356
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100357static void snd_cs4231_mce_up(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700358{
359 unsigned long flags;
360 int timeout;
361
362 spin_lock_irqsave(&chip->lock, flags);
Krzysztof Heltc6c2d572007-09-04 13:08:24 +0200363 snd_cs4231_ready(chip);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700364#ifdef CONFIG_SND_DEBUG
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200365 if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700366 snd_printdd("mce_up - auto calibration time out (0)\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367#endif
368 chip->mce_bit |= CS4231_MCE;
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200369 timeout = __cs4231_readb(chip, CS4231U(chip, REGSEL));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700370 if (timeout == 0x80)
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200371 snd_printdd("mce_up [%p]: serious init problem - "
372 "codec still busy\n",
373 chip->port);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700374 if (!(timeout & CS4231_MCE))
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200375 __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f),
376 CS4231U(chip, REGSEL));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 spin_unlock_irqrestore(&chip->lock, flags);
378}
379
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100380static void snd_cs4231_mce_down(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700381{
Krzysztof Helt9823adf2007-10-16 14:54:58 +0200382 unsigned long flags, timeout;
383 int reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384
Linus Torvalds1da177e2005-04-16 15:20:36 -0700385 snd_cs4231_busy_wait(chip);
Krzysztof Helt9823adf2007-10-16 14:54:58 +0200386 spin_lock_irqsave(&chip->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387#ifdef CONFIG_SND_DEBUG
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200388 if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
389 snd_printdd("mce_down [%p] - auto calibration time out (0)\n",
390 CS4231U(chip, REGSEL));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391#endif
392 chip->mce_bit &= ~CS4231_MCE;
Krzysztof Helt9823adf2007-10-16 14:54:58 +0200393 reg = __cs4231_readb(chip, CS4231U(chip, REGSEL));
394 __cs4231_writeb(chip, chip->mce_bit | (reg & 0x1f),
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200395 CS4231U(chip, REGSEL));
Krzysztof Helt9823adf2007-10-16 14:54:58 +0200396 if (reg == 0x80)
397 snd_printdd("mce_down [%p]: serious init problem "
398 "- codec still busy\n", chip->port);
399 if ((reg & CS4231_MCE) == 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700400 spin_unlock_irqrestore(&chip->lock, flags);
401 return;
402 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700403
Krzysztof Helt56f91582007-09-11 00:55:46 +0200404 /*
Krzysztof Helt9823adf2007-10-16 14:54:58 +0200405 * Wait for auto-calibration (AC) process to finish, i.e. ACI to go low.
Krzysztof Helt56f91582007-09-11 00:55:46 +0200406 */
Krzysztof Helt9823adf2007-10-16 14:54:58 +0200407 timeout = jiffies + msecs_to_jiffies(250);
408 do {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700409 spin_unlock_irqrestore(&chip->lock, flags);
Takashi Iwaib875d652007-09-11 10:12:14 +0200410 msleep(1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700411 spin_lock_irqsave(&chip->lock, flags);
Krzysztof Helt9823adf2007-10-16 14:54:58 +0200412 reg = snd_cs4231_in(chip, CS4231_TEST_INIT);
413 reg &= CS4231_CALIB_IN_PROGRESS;
414 } while (reg && time_before(jiffies, timeout));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415 spin_unlock_irqrestore(&chip->lock, flags);
Krzysztof Helt9823adf2007-10-16 14:54:58 +0200416
417 if (reg)
418 snd_printk(KERN_ERR
419 "mce_down - auto calibration time out (2)\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700420}
421
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100422static void snd_cs4231_advance_dma(struct cs4231_dma_control *dma_cont,
423 struct snd_pcm_substream *substream,
424 unsigned int *periods_sent)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700425{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100426 struct snd_pcm_runtime *runtime = substream->runtime;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700427
428 while (1) {
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700429 unsigned int period_size = snd_pcm_lib_period_bytes(substream);
430 unsigned int offset = period_size * (*periods_sent);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431
Eric Sesterhenn817dd6e2006-03-24 18:49:12 +0100432 BUG_ON(period_size >= (1 << 24));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700433
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200434 if (dma_cont->request(dma_cont,
435 runtime->dma_addr + offset, period_size))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700436 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700437 (*periods_sent) = ((*periods_sent) + 1) % runtime->periods;
438 }
439}
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700440
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100441static void cs4231_dma_trigger(struct snd_pcm_substream *substream,
442 unsigned int what, int on)
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700443{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100444 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
445 struct cs4231_dma_control *dma_cont;
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700446
Georg Chini5a820fa2005-11-07 14:08:25 -0800447 if (what & CS4231_PLAYBACK_ENABLE) {
Georg Chinib1282542005-11-07 14:09:19 -0800448 dma_cont = &chip->p_dma;
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700449 if (on) {
Georg Chinib1282542005-11-07 14:09:19 -0800450 dma_cont->prepare(dma_cont, 0);
451 dma_cont->enable(dma_cont, 1);
452 snd_cs4231_advance_dma(dma_cont,
Georg Chini5a820fa2005-11-07 14:08:25 -0800453 chip->playback_substream,
454 &chip->p_periods_sent);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700455 } else {
Georg Chinib1282542005-11-07 14:09:19 -0800456 dma_cont->enable(dma_cont, 0);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700457 }
Georg Chini5a820fa2005-11-07 14:08:25 -0800458 }
459 if (what & CS4231_RECORD_ENABLE) {
Georg Chinib1282542005-11-07 14:09:19 -0800460 dma_cont = &chip->c_dma;
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700461 if (on) {
Georg Chinib1282542005-11-07 14:09:19 -0800462 dma_cont->prepare(dma_cont, 1);
463 dma_cont->enable(dma_cont, 1);
464 snd_cs4231_advance_dma(dma_cont,
Georg Chini5a820fa2005-11-07 14:08:25 -0800465 chip->capture_substream,
466 &chip->c_periods_sent);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700467 } else {
Georg Chinib1282542005-11-07 14:09:19 -0800468 dma_cont->enable(dma_cont, 0);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700469 }
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700470 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700471}
472
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100473static int snd_cs4231_trigger(struct snd_pcm_substream *substream, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100475 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700476 int result = 0;
477
478 switch (cmd) {
479 case SNDRV_PCM_TRIGGER_START:
480 case SNDRV_PCM_TRIGGER_STOP:
481 {
482 unsigned int what = 0;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100483 struct snd_pcm_substream *s;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700484 unsigned long flags;
485
Takashi Iwaief991b92007-02-22 12:52:53 +0100486 snd_pcm_group_for_each_entry(s, substream) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487 if (s == chip->playback_substream) {
488 what |= CS4231_PLAYBACK_ENABLE;
489 snd_pcm_trigger_done(s, substream);
490 } else if (s == chip->capture_substream) {
491 what |= CS4231_RECORD_ENABLE;
492 snd_pcm_trigger_done(s, substream);
493 }
494 }
495
Linus Torvalds1da177e2005-04-16 15:20:36 -0700496 spin_lock_irqsave(&chip->lock, flags);
497 if (cmd == SNDRV_PCM_TRIGGER_START) {
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700498 cs4231_dma_trigger(substream, what, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700499 chip->image[CS4231_IFACE_CTRL] |= what;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500 } else {
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700501 cs4231_dma_trigger(substream, what, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502 chip->image[CS4231_IFACE_CTRL] &= ~what;
503 }
504 snd_cs4231_out(chip, CS4231_IFACE_CTRL,
505 chip->image[CS4231_IFACE_CTRL]);
506 spin_unlock_irqrestore(&chip->lock, flags);
507 break;
508 }
509 default:
510 result = -EINVAL;
511 break;
512 }
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700513
Linus Torvalds1da177e2005-04-16 15:20:36 -0700514 return result;
515}
516
517/*
518 * CODEC I/O
519 */
520
521static unsigned char snd_cs4231_get_rate(unsigned int rate)
522{
523 int i;
524
525 for (i = 0; i < 14; i++)
526 if (rate == rates[i])
527 return freq_bits[i];
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200528
Linus Torvalds1da177e2005-04-16 15:20:36 -0700529 return freq_bits[13];
530}
531
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200532static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip, int format,
533 int channels)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534{
535 unsigned char rformat;
536
537 rformat = CS4231_LINEAR_8;
538 switch (format) {
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200539 case SNDRV_PCM_FORMAT_MU_LAW:
540 rformat = CS4231_ULAW_8;
541 break;
542 case SNDRV_PCM_FORMAT_A_LAW:
543 rformat = CS4231_ALAW_8;
544 break;
545 case SNDRV_PCM_FORMAT_S16_LE:
546 rformat = CS4231_LINEAR_16;
547 break;
548 case SNDRV_PCM_FORMAT_S16_BE:
549 rformat = CS4231_LINEAR_16_BIG;
550 break;
551 case SNDRV_PCM_FORMAT_IMA_ADPCM:
552 rformat = CS4231_ADPCM_16;
553 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554 }
555 if (channels > 1)
556 rformat |= CS4231_STEREO;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700557 return rformat;
558}
559
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100560static void snd_cs4231_calibrate_mute(struct snd_cs4231 *chip, int mute)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561{
562 unsigned long flags;
563
564 mute = mute ? 1 : 0;
565 spin_lock_irqsave(&chip->lock, flags);
566 if (chip->calibrate_mute == mute) {
567 spin_unlock_irqrestore(&chip->lock, flags);
568 return;
569 }
570 if (!mute) {
571 snd_cs4231_dout(chip, CS4231_LEFT_INPUT,
572 chip->image[CS4231_LEFT_INPUT]);
573 snd_cs4231_dout(chip, CS4231_RIGHT_INPUT,
574 chip->image[CS4231_RIGHT_INPUT]);
575 snd_cs4231_dout(chip, CS4231_LOOPBACK,
576 chip->image[CS4231_LOOPBACK]);
577 }
578 snd_cs4231_dout(chip, CS4231_AUX1_LEFT_INPUT,
579 mute ? 0x80 : chip->image[CS4231_AUX1_LEFT_INPUT]);
580 snd_cs4231_dout(chip, CS4231_AUX1_RIGHT_INPUT,
581 mute ? 0x80 : chip->image[CS4231_AUX1_RIGHT_INPUT]);
582 snd_cs4231_dout(chip, CS4231_AUX2_LEFT_INPUT,
583 mute ? 0x80 : chip->image[CS4231_AUX2_LEFT_INPUT]);
584 snd_cs4231_dout(chip, CS4231_AUX2_RIGHT_INPUT,
585 mute ? 0x80 : chip->image[CS4231_AUX2_RIGHT_INPUT]);
586 snd_cs4231_dout(chip, CS4231_LEFT_OUTPUT,
587 mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]);
588 snd_cs4231_dout(chip, CS4231_RIGHT_OUTPUT,
589 mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]);
590 snd_cs4231_dout(chip, CS4231_LEFT_LINE_IN,
591 mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]);
592 snd_cs4231_dout(chip, CS4231_RIGHT_LINE_IN,
593 mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]);
594 snd_cs4231_dout(chip, CS4231_MONO_CTRL,
595 mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]);
596 chip->calibrate_mute = mute;
597 spin_unlock_irqrestore(&chip->lock, flags);
598}
599
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200600static void snd_cs4231_playback_format(struct snd_cs4231 *chip,
601 struct snd_pcm_hw_params *params,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700602 unsigned char pdfr)
603{
604 unsigned long flags;
605
Ingo Molnar12aa7572006-01-16 16:36:05 +0100606 mutex_lock(&chip->mce_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700607 snd_cs4231_calibrate_mute(chip, 1);
608
609 snd_cs4231_mce_up(chip);
610
611 spin_lock_irqsave(&chip->lock, flags);
612 snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
613 (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) ?
614 (pdfr & 0xf0) | (chip->image[CS4231_REC_FORMAT] & 0x0f) :
615 pdfr);
616 spin_unlock_irqrestore(&chip->lock, flags);
617
618 snd_cs4231_mce_down(chip);
619
620 snd_cs4231_calibrate_mute(chip, 0);
Ingo Molnar12aa7572006-01-16 16:36:05 +0100621 mutex_unlock(&chip->mce_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622}
623
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200624static void snd_cs4231_capture_format(struct snd_cs4231 *chip,
625 struct snd_pcm_hw_params *params,
626 unsigned char cdfr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627{
628 unsigned long flags;
629
Ingo Molnar12aa7572006-01-16 16:36:05 +0100630 mutex_lock(&chip->mce_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700631 snd_cs4231_calibrate_mute(chip, 1);
632
633 snd_cs4231_mce_up(chip);
634
635 spin_lock_irqsave(&chip->lock, flags);
636 if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) {
637 snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
638 ((chip->image[CS4231_PLAYBK_FORMAT]) & 0xf0) |
639 (cdfr & 0x0f));
640 spin_unlock_irqrestore(&chip->lock, flags);
641 snd_cs4231_mce_down(chip);
642 snd_cs4231_mce_up(chip);
643 spin_lock_irqsave(&chip->lock, flags);
644 }
645 snd_cs4231_out(chip, CS4231_REC_FORMAT, cdfr);
646 spin_unlock_irqrestore(&chip->lock, flags);
647
648 snd_cs4231_mce_down(chip);
649
650 snd_cs4231_calibrate_mute(chip, 0);
Ingo Molnar12aa7572006-01-16 16:36:05 +0100651 mutex_unlock(&chip->mce_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700652}
653
654/*
655 * Timer interface
656 */
657
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100658static unsigned long snd_cs4231_timer_resolution(struct snd_timer *timer)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700659{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100660 struct snd_cs4231 *chip = snd_timer_chip(timer);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661
662 return chip->image[CS4231_PLAYBK_FORMAT] & 1 ? 9969 : 9920;
663}
664
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100665static int snd_cs4231_timer_start(struct snd_timer *timer)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666{
667 unsigned long flags;
668 unsigned int ticks;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100669 struct snd_cs4231 *chip = snd_timer_chip(timer);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700670
671 spin_lock_irqsave(&chip->lock, flags);
672 ticks = timer->sticks;
673 if ((chip->image[CS4231_ALT_FEATURE_1] & CS4231_TIMER_ENABLE) == 0 ||
674 (unsigned char)(ticks >> 8) != chip->image[CS4231_TIMER_HIGH] ||
675 (unsigned char)ticks != chip->image[CS4231_TIMER_LOW]) {
676 snd_cs4231_out(chip, CS4231_TIMER_HIGH,
677 chip->image[CS4231_TIMER_HIGH] =
678 (unsigned char) (ticks >> 8));
679 snd_cs4231_out(chip, CS4231_TIMER_LOW,
680 chip->image[CS4231_TIMER_LOW] =
681 (unsigned char) ticks);
682 snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200683 chip->image[CS4231_ALT_FEATURE_1] |
684 CS4231_TIMER_ENABLE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685 }
686 spin_unlock_irqrestore(&chip->lock, flags);
687
688 return 0;
689}
690
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100691static int snd_cs4231_timer_stop(struct snd_timer *timer)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700692{
693 unsigned long flags;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100694 struct snd_cs4231 *chip = snd_timer_chip(timer);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700695
696 spin_lock_irqsave(&chip->lock, flags);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200697 chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700698 snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200699 chip->image[CS4231_ALT_FEATURE_1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700700 spin_unlock_irqrestore(&chip->lock, flags);
701
702 return 0;
703}
704
Bill Pemberton32e02a72012-12-06 12:35:25 -0500705static void snd_cs4231_init(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700706{
707 unsigned long flags;
708
709 snd_cs4231_mce_down(chip);
710
711#ifdef SNDRV_DEBUG_MCE
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700712 snd_printdd("init: (1)\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713#endif
714 snd_cs4231_mce_up(chip);
715 spin_lock_irqsave(&chip->lock, flags);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200716 chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
717 CS4231_PLAYBACK_PIO |
718 CS4231_RECORD_ENABLE |
719 CS4231_RECORD_PIO |
Linus Torvalds1da177e2005-04-16 15:20:36 -0700720 CS4231_CALIB_MODE);
721 chip->image[CS4231_IFACE_CTRL] |= CS4231_AUTOCALIB;
722 snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]);
723 spin_unlock_irqrestore(&chip->lock, flags);
724 snd_cs4231_mce_down(chip);
725
726#ifdef SNDRV_DEBUG_MCE
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700727 snd_printdd("init: (2)\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700728#endif
729
730 snd_cs4231_mce_up(chip);
731 spin_lock_irqsave(&chip->lock, flags);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200732 snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
733 chip->image[CS4231_ALT_FEATURE_1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700734 spin_unlock_irqrestore(&chip->lock, flags);
735 snd_cs4231_mce_down(chip);
736
737#ifdef SNDRV_DEBUG_MCE
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200738 snd_printdd("init: (3) - afei = 0x%x\n",
739 chip->image[CS4231_ALT_FEATURE_1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700740#endif
741
742 spin_lock_irqsave(&chip->lock, flags);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200743 snd_cs4231_out(chip, CS4231_ALT_FEATURE_2,
744 chip->image[CS4231_ALT_FEATURE_2]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700745 spin_unlock_irqrestore(&chip->lock, flags);
746
747 snd_cs4231_mce_up(chip);
748 spin_lock_irqsave(&chip->lock, flags);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200749 snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
750 chip->image[CS4231_PLAYBK_FORMAT]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700751 spin_unlock_irqrestore(&chip->lock, flags);
752 snd_cs4231_mce_down(chip);
753
754#ifdef SNDRV_DEBUG_MCE
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700755 snd_printdd("init: (4)\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700756#endif
757
758 snd_cs4231_mce_up(chip);
759 spin_lock_irqsave(&chip->lock, flags);
760 snd_cs4231_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT]);
761 spin_unlock_irqrestore(&chip->lock, flags);
762 snd_cs4231_mce_down(chip);
763
764#ifdef SNDRV_DEBUG_MCE
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700765 snd_printdd("init: (5)\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700766#endif
767}
768
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100769static int snd_cs4231_open(struct snd_cs4231 *chip, unsigned int mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700770{
771 unsigned long flags;
772
Ingo Molnar12aa7572006-01-16 16:36:05 +0100773 mutex_lock(&chip->open_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700774 if ((chip->mode & mode)) {
Ingo Molnar12aa7572006-01-16 16:36:05 +0100775 mutex_unlock(&chip->open_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700776 return -EAGAIN;
777 }
778 if (chip->mode & CS4231_MODE_OPEN) {
779 chip->mode |= mode;
Ingo Molnar12aa7572006-01-16 16:36:05 +0100780 mutex_unlock(&chip->open_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700781 return 0;
782 }
783 /* ok. now enable and ack CODEC IRQ */
784 spin_lock_irqsave(&chip->lock, flags);
785 snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ |
786 CS4231_RECORD_IRQ |
787 CS4231_TIMER_IRQ);
788 snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200789 __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
790 __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700791
792 snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ |
793 CS4231_RECORD_IRQ |
794 CS4231_TIMER_IRQ);
795 snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700796
Linus Torvalds1da177e2005-04-16 15:20:36 -0700797 spin_unlock_irqrestore(&chip->lock, flags);
798
799 chip->mode = mode;
Ingo Molnar12aa7572006-01-16 16:36:05 +0100800 mutex_unlock(&chip->open_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700801 return 0;
802}
803
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100804static void snd_cs4231_close(struct snd_cs4231 *chip, unsigned int mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700805{
806 unsigned long flags;
807
Ingo Molnar12aa7572006-01-16 16:36:05 +0100808 mutex_lock(&chip->open_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700809 chip->mode &= ~mode;
810 if (chip->mode & CS4231_MODE_OPEN) {
Ingo Molnar12aa7572006-01-16 16:36:05 +0100811 mutex_unlock(&chip->open_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700812 return;
813 }
814 snd_cs4231_calibrate_mute(chip, 1);
815
816 /* disable IRQ */
817 spin_lock_irqsave(&chip->lock, flags);
818 snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200819 __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
820 __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700821
822 /* now disable record & playback */
823
824 if (chip->image[CS4231_IFACE_CTRL] &
825 (CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO |
826 CS4231_RECORD_ENABLE | CS4231_RECORD_PIO)) {
827 spin_unlock_irqrestore(&chip->lock, flags);
828 snd_cs4231_mce_up(chip);
829 spin_lock_irqsave(&chip->lock, flags);
830 chip->image[CS4231_IFACE_CTRL] &=
831 ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO |
832 CS4231_RECORD_ENABLE | CS4231_RECORD_PIO);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200833 snd_cs4231_out(chip, CS4231_IFACE_CTRL,
834 chip->image[CS4231_IFACE_CTRL]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700835 spin_unlock_irqrestore(&chip->lock, flags);
836 snd_cs4231_mce_down(chip);
837 spin_lock_irqsave(&chip->lock, flags);
838 }
839
840 /* clear IRQ again */
841 snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +0200842 __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
843 __cs4231_writeb(chip, 0, CS4231U(chip, STATUS)); /* clear IRQ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700844 spin_unlock_irqrestore(&chip->lock, flags);
845
846 snd_cs4231_calibrate_mute(chip, 0);
847
848 chip->mode = 0;
Ingo Molnar12aa7572006-01-16 16:36:05 +0100849 mutex_unlock(&chip->open_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700850}
851
852/*
853 * timer open/close
854 */
855
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100856static int snd_cs4231_timer_open(struct snd_timer *timer)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700857{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100858 struct snd_cs4231 *chip = snd_timer_chip(timer);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700859 snd_cs4231_open(chip, CS4231_MODE_TIMER);
860 return 0;
861}
862
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200863static int snd_cs4231_timer_close(struct snd_timer *timer)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700864{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100865 struct snd_cs4231 *chip = snd_timer_chip(timer);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700866 snd_cs4231_close(chip, CS4231_MODE_TIMER);
867 return 0;
868}
869
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200870static struct snd_timer_hardware snd_cs4231_timer_table = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700871 .flags = SNDRV_TIMER_HW_AUTO,
872 .resolution = 9945,
873 .ticks = 65535,
874 .open = snd_cs4231_timer_open,
875 .close = snd_cs4231_timer_close,
876 .c_resolution = snd_cs4231_timer_resolution,
877 .start = snd_cs4231_timer_start,
878 .stop = snd_cs4231_timer_stop,
879};
880
881/*
882 * ok.. exported functions..
883 */
884
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100885static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream,
886 struct snd_pcm_hw_params *hw_params)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700887{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100888 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700889 unsigned char new_pdfr;
890 int err;
891
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200892 err = snd_pcm_lib_malloc_pages(substream,
893 params_buffer_bytes(hw_params));
894 if (err < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700895 return err;
896 new_pdfr = snd_cs4231_get_format(chip, params_format(hw_params),
897 params_channels(hw_params)) |
898 snd_cs4231_get_rate(params_rate(hw_params));
899 snd_cs4231_playback_format(chip, hw_params, new_pdfr);
900
901 return 0;
902}
903
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100904static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700905{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100906 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
907 struct snd_pcm_runtime *runtime = substream->runtime;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700908 unsigned long flags;
909
910 spin_lock_irqsave(&chip->lock, flags);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700911
Linus Torvalds1da177e2005-04-16 15:20:36 -0700912 chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
913 CS4231_PLAYBACK_PIO);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700914
Eric Sesterhenn817dd6e2006-03-24 18:49:12 +0100915 BUG_ON(runtime->period_size > 0xffff + 1);
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700916
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700917 chip->p_periods_sent = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700918 spin_unlock_irqrestore(&chip->lock, flags);
919
920 return 0;
921}
922
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100923static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream,
924 struct snd_pcm_hw_params *hw_params)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700925{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100926 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700927 unsigned char new_cdfr;
928 int err;
929
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200930 err = snd_pcm_lib_malloc_pages(substream,
931 params_buffer_bytes(hw_params));
932 if (err < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700933 return err;
934 new_cdfr = snd_cs4231_get_format(chip, params_format(hw_params),
935 params_channels(hw_params)) |
936 snd_cs4231_get_rate(params_rate(hw_params));
937 snd_cs4231_capture_format(chip, hw_params, new_cdfr);
938
939 return 0;
940}
941
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100942static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700943{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100944 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700945 unsigned long flags;
946
947 spin_lock_irqsave(&chip->lock, flags);
948 chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE |
949 CS4231_RECORD_PIO);
950
Christopher Zimmermanna1314302005-09-21 00:41:22 -0700951
Georg Chini5a820fa2005-11-07 14:08:25 -0800952 chip->c_periods_sent = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700953 spin_unlock_irqrestore(&chip->lock, flags);
954
955 return 0;
956}
957
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100958static void snd_cs4231_overrange(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700959{
960 unsigned long flags;
961 unsigned char res;
962
963 spin_lock_irqsave(&chip->lock, flags);
964 res = snd_cs4231_in(chip, CS4231_TEST_INIT);
965 spin_unlock_irqrestore(&chip->lock, flags);
966
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200967 /* detect overrange only above 0dB; may be user selectable? */
968 if (res & (0x08 | 0x02))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700969 chip->capture_substream->runtime->overrange++;
970}
971
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100972static void snd_cs4231_play_callback(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700973{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700974 if (chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE) {
975 snd_pcm_period_elapsed(chip->playback_substream);
Georg Chinib1282542005-11-07 14:09:19 -0800976 snd_cs4231_advance_dma(&chip->p_dma, chip->playback_substream,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700977 &chip->p_periods_sent);
978 }
979}
980
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100981static void snd_cs4231_capture_callback(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700982{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700983 if (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) {
984 snd_pcm_period_elapsed(chip->capture_substream);
Georg Chinib1282542005-11-07 14:09:19 -0800985 snd_cs4231_advance_dma(&chip->c_dma, chip->capture_substream,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700986 &chip->c_periods_sent);
987 }
988}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700989
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200990static snd_pcm_uframes_t snd_cs4231_playback_pointer(
991 struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700992{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +0100993 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
994 struct cs4231_dma_control *dma_cont = &chip->p_dma;
Georg Chini5a820fa2005-11-07 14:08:25 -0800995 size_t ptr;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +0200996
Linus Torvalds1da177e2005-04-16 15:20:36 -0700997 if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE))
998 return 0;
Georg Chinib1282542005-11-07 14:09:19 -0800999 ptr = dma_cont->address(dma_cont);
1000 if (ptr != 0)
1001 ptr -= substream->runtime->dma_addr;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001002
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003 return bytes_to_frames(substream->runtime, ptr);
1004}
1005
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001006static snd_pcm_uframes_t snd_cs4231_capture_pointer(
1007 struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001008{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001009 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
1010 struct cs4231_dma_control *dma_cont = &chip->c_dma;
Georg Chini5a820fa2005-11-07 14:08:25 -08001011 size_t ptr;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001012
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013 if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE))
1014 return 0;
Georg Chinib1282542005-11-07 14:09:19 -08001015 ptr = dma_cont->address(dma_cont);
1016 if (ptr != 0)
1017 ptr -= substream->runtime->dma_addr;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001018
Linus Torvalds1da177e2005-04-16 15:20:36 -07001019 return bytes_to_frames(substream->runtime, ptr);
1020}
1021
Bill Pemberton32e02a72012-12-06 12:35:25 -05001022static int snd_cs4231_probe(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001023{
1024 unsigned long flags;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001025 int i;
1026 int id = 0;
1027 int vers = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001028 unsigned char *ptr;
1029
Linus Torvalds1da177e2005-04-16 15:20:36 -07001030 for (i = 0; i < 50; i++) {
1031 mb();
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +02001032 if (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT)
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001033 msleep(2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001034 else {
1035 spin_lock_irqsave(&chip->lock, flags);
1036 snd_cs4231_out(chip, CS4231_MISC_INFO, CS4231_MODE2);
1037 id = snd_cs4231_in(chip, CS4231_MISC_INFO) & 0x0f;
1038 vers = snd_cs4231_in(chip, CS4231_VERSION);
1039 spin_unlock_irqrestore(&chip->lock, flags);
1040 if (id == 0x0a)
1041 break; /* this is valid value */
1042 }
1043 }
1044 snd_printdd("cs4231: port = %p, id = 0x%x\n", chip->port, id);
1045 if (id != 0x0a)
1046 return -ENODEV; /* no valid device found */
1047
1048 spin_lock_irqsave(&chip->lock, flags);
1049
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +02001050 /* clear any pendings IRQ */
1051 __cs4231_readb(chip, CS4231U(chip, STATUS));
1052 __cs4231_writeb(chip, 0, CS4231U(chip, STATUS));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001053 mb();
1054
1055 spin_unlock_irqrestore(&chip->lock, flags);
1056
1057 chip->image[CS4231_MISC_INFO] = CS4231_MODE2;
1058 chip->image[CS4231_IFACE_CTRL] =
1059 chip->image[CS4231_IFACE_CTRL] & ~CS4231_SINGLE_DMA;
1060 chip->image[CS4231_ALT_FEATURE_1] = 0x80;
1061 chip->image[CS4231_ALT_FEATURE_2] = 0x01;
1062 if (vers & 0x20)
1063 chip->image[CS4231_ALT_FEATURE_2] |= 0x02;
1064
1065 ptr = (unsigned char *) &chip->image;
1066
1067 snd_cs4231_mce_down(chip);
1068
1069 spin_lock_irqsave(&chip->lock, flags);
1070
1071 for (i = 0; i < 32; i++) /* ok.. fill all CS4231 registers */
1072 snd_cs4231_out(chip, i, *ptr++);
1073
1074 spin_unlock_irqrestore(&chip->lock, flags);
1075
1076 snd_cs4231_mce_up(chip);
1077
1078 snd_cs4231_mce_down(chip);
1079
1080 mdelay(2);
1081
1082 return 0; /* all things are ok.. */
1083}
1084
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001085static struct snd_pcm_hardware snd_cs4231_playback = {
1086 .info = SNDRV_PCM_INFO_MMAP |
1087 SNDRV_PCM_INFO_INTERLEAVED |
1088 SNDRV_PCM_INFO_MMAP_VALID |
1089 SNDRV_PCM_INFO_SYNC_START,
1090 .formats = SNDRV_PCM_FMTBIT_MU_LAW |
1091 SNDRV_PCM_FMTBIT_A_LAW |
1092 SNDRV_PCM_FMTBIT_IMA_ADPCM |
1093 SNDRV_PCM_FMTBIT_U8 |
1094 SNDRV_PCM_FMTBIT_S16_LE |
1095 SNDRV_PCM_FMTBIT_S16_BE,
1096 .rates = SNDRV_PCM_RATE_KNOT |
1097 SNDRV_PCM_RATE_8000_48000,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001098 .rate_min = 5510,
1099 .rate_max = 48000,
1100 .channels_min = 1,
1101 .channels_max = 2,
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001102 .buffer_bytes_max = 32 * 1024,
David S. Millerf9af1d92007-01-03 18:51:54 -08001103 .period_bytes_min = 64,
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001104 .period_bytes_max = 32 * 1024,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001105 .periods_min = 1,
1106 .periods_max = 1024,
1107};
1108
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001109static struct snd_pcm_hardware snd_cs4231_capture = {
1110 .info = SNDRV_PCM_INFO_MMAP |
1111 SNDRV_PCM_INFO_INTERLEAVED |
1112 SNDRV_PCM_INFO_MMAP_VALID |
1113 SNDRV_PCM_INFO_SYNC_START,
1114 .formats = SNDRV_PCM_FMTBIT_MU_LAW |
1115 SNDRV_PCM_FMTBIT_A_LAW |
1116 SNDRV_PCM_FMTBIT_IMA_ADPCM |
1117 SNDRV_PCM_FMTBIT_U8 |
1118 SNDRV_PCM_FMTBIT_S16_LE |
1119 SNDRV_PCM_FMTBIT_S16_BE,
1120 .rates = SNDRV_PCM_RATE_KNOT |
1121 SNDRV_PCM_RATE_8000_48000,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001122 .rate_min = 5510,
1123 .rate_max = 48000,
1124 .channels_min = 1,
1125 .channels_max = 2,
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001126 .buffer_bytes_max = 32 * 1024,
David S. Millerf9af1d92007-01-03 18:51:54 -08001127 .period_bytes_min = 64,
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001128 .period_bytes_max = 32 * 1024,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001129 .periods_min = 1,
1130 .periods_max = 1024,
1131};
1132
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001133static int snd_cs4231_playback_open(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001134{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001135 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
1136 struct snd_pcm_runtime *runtime = substream->runtime;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001137 int err;
1138
1139 runtime->hw = snd_cs4231_playback;
1140
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001141 err = snd_cs4231_open(chip, CS4231_MODE_PLAY);
1142 if (err < 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001143 snd_free_pages(runtime->dma_area, runtime->dma_bytes);
1144 return err;
1145 }
1146 chip->playback_substream = substream;
1147 chip->p_periods_sent = 0;
1148 snd_pcm_set_sync(substream);
1149 snd_cs4231_xrate(runtime);
1150
1151 return 0;
1152}
1153
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001154static int snd_cs4231_capture_open(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001155{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001156 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
1157 struct snd_pcm_runtime *runtime = substream->runtime;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001158 int err;
1159
1160 runtime->hw = snd_cs4231_capture;
1161
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001162 err = snd_cs4231_open(chip, CS4231_MODE_RECORD);
1163 if (err < 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001164 snd_free_pages(runtime->dma_area, runtime->dma_bytes);
1165 return err;
1166 }
1167 chip->capture_substream = substream;
1168 chip->c_periods_sent = 0;
1169 snd_pcm_set_sync(substream);
1170 snd_cs4231_xrate(runtime);
1171
1172 return 0;
1173}
1174
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001175static int snd_cs4231_playback_close(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001176{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001177 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001178
Linus Torvalds1da177e2005-04-16 15:20:36 -07001179 snd_cs4231_close(chip, CS4231_MODE_PLAY);
Georg Chinib1282542005-11-07 14:09:19 -08001180 chip->playback_substream = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001181
1182 return 0;
1183}
1184
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001185static int snd_cs4231_capture_close(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001186{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001187 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001188
Linus Torvalds1da177e2005-04-16 15:20:36 -07001189 snd_cs4231_close(chip, CS4231_MODE_RECORD);
Georg Chinib1282542005-11-07 14:09:19 -08001190 chip->capture_substream = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001191
1192 return 0;
1193}
1194
1195/* XXX We can do some power-management, in particular on EBUS using
1196 * XXX the audio AUXIO register...
1197 */
1198
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001199static struct snd_pcm_ops snd_cs4231_playback_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001200 .open = snd_cs4231_playback_open,
1201 .close = snd_cs4231_playback_close,
1202 .ioctl = snd_pcm_lib_ioctl,
1203 .hw_params = snd_cs4231_playback_hw_params,
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001204 .hw_free = snd_pcm_lib_free_pages,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001205 .prepare = snd_cs4231_playback_prepare,
1206 .trigger = snd_cs4231_trigger,
1207 .pointer = snd_cs4231_playback_pointer,
1208};
1209
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001210static struct snd_pcm_ops snd_cs4231_capture_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001211 .open = snd_cs4231_capture_open,
1212 .close = snd_cs4231_capture_close,
1213 .ioctl = snd_pcm_lib_ioctl,
1214 .hw_params = snd_cs4231_capture_hw_params,
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001215 .hw_free = snd_pcm_lib_free_pages,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001216 .prepare = snd_cs4231_capture_prepare,
1217 .trigger = snd_cs4231_trigger,
1218 .pointer = snd_cs4231_capture_pointer,
1219};
1220
Bill Pemberton32e02a72012-12-06 12:35:25 -05001221static int snd_cs4231_pcm(struct snd_card *card)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001222{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001223 struct snd_cs4231 *chip = card->private_data;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001224 struct snd_pcm *pcm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001225 int err;
1226
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001227 err = snd_pcm_new(card, "CS4231", 0, 1, 1, &pcm);
1228 if (err < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001229 return err;
1230
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001231 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1232 &snd_cs4231_playback_ops);
1233 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1234 &snd_cs4231_capture_ops);
1235
Linus Torvalds1da177e2005-04-16 15:20:36 -07001236 /* global setup */
1237 pcm->private_data = chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001238 pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1239 strcpy(pcm->name, "CS4231");
1240
David S. Millerafc88ad2008-08-30 00:13:55 -07001241 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1242 &chip->op->dev,
1243 64 * 1024, 128 * 1024);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001244
1245 chip->pcm = pcm;
1246
1247 return 0;
1248}
1249
Bill Pemberton32e02a72012-12-06 12:35:25 -05001250static int snd_cs4231_timer(struct snd_card *card)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001251{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001252 struct snd_cs4231 *chip = card->private_data;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001253 struct snd_timer *timer;
1254 struct snd_timer_id tid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001255 int err;
1256
1257 /* Timer initialization */
1258 tid.dev_class = SNDRV_TIMER_CLASS_CARD;
1259 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001260 tid.card = card->number;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001261 tid.device = 0;
1262 tid.subdevice = 0;
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001263 err = snd_timer_new(card, "CS4231", &tid, &timer);
1264 if (err < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001265 return err;
1266 strcpy(timer->name, "CS4231");
1267 timer->private_data = chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001268 timer->hw = snd_cs4231_timer_table;
1269 chip->timer = timer;
1270
1271 return 0;
1272}
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001273
Linus Torvalds1da177e2005-04-16 15:20:36 -07001274/*
1275 * MIXER part
1276 */
1277
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001278static int snd_cs4231_info_mux(struct snd_kcontrol *kcontrol,
1279 struct snd_ctl_elem_info *uinfo)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001280{
1281 static char *texts[4] = {
1282 "Line", "CD", "Mic", "Mix"
1283 };
Linus Torvalds1da177e2005-04-16 15:20:36 -07001284
Linus Torvalds1da177e2005-04-16 15:20:36 -07001285 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1286 uinfo->count = 2;
1287 uinfo->value.enumerated.items = 4;
1288 if (uinfo->value.enumerated.item > 3)
1289 uinfo->value.enumerated.item = 3;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001290 strcpy(uinfo->value.enumerated.name,
1291 texts[uinfo->value.enumerated.item]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001292
1293 return 0;
1294}
1295
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001296static int snd_cs4231_get_mux(struct snd_kcontrol *kcontrol,
1297 struct snd_ctl_elem_value *ucontrol)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001298{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001299 struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001300 unsigned long flags;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001301
Linus Torvalds1da177e2005-04-16 15:20:36 -07001302 spin_lock_irqsave(&chip->lock, flags);
1303 ucontrol->value.enumerated.item[0] =
1304 (chip->image[CS4231_LEFT_INPUT] & CS4231_MIXS_ALL) >> 6;
1305 ucontrol->value.enumerated.item[1] =
1306 (chip->image[CS4231_RIGHT_INPUT] & CS4231_MIXS_ALL) >> 6;
1307 spin_unlock_irqrestore(&chip->lock, flags);
1308
1309 return 0;
1310}
1311
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001312static int snd_cs4231_put_mux(struct snd_kcontrol *kcontrol,
1313 struct snd_ctl_elem_value *ucontrol)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001314{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001315 struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001316 unsigned long flags;
1317 unsigned short left, right;
1318 int change;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001319
Linus Torvalds1da177e2005-04-16 15:20:36 -07001320 if (ucontrol->value.enumerated.item[0] > 3 ||
1321 ucontrol->value.enumerated.item[1] > 3)
1322 return -EINVAL;
1323 left = ucontrol->value.enumerated.item[0] << 6;
1324 right = ucontrol->value.enumerated.item[1] << 6;
1325
1326 spin_lock_irqsave(&chip->lock, flags);
1327
1328 left = (chip->image[CS4231_LEFT_INPUT] & ~CS4231_MIXS_ALL) | left;
1329 right = (chip->image[CS4231_RIGHT_INPUT] & ~CS4231_MIXS_ALL) | right;
1330 change = left != chip->image[CS4231_LEFT_INPUT] ||
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001331 right != chip->image[CS4231_RIGHT_INPUT];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001332 snd_cs4231_out(chip, CS4231_LEFT_INPUT, left);
1333 snd_cs4231_out(chip, CS4231_RIGHT_INPUT, right);
1334
1335 spin_unlock_irqrestore(&chip->lock, flags);
1336
1337 return change;
1338}
1339
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001340static int snd_cs4231_info_single(struct snd_kcontrol *kcontrol,
1341 struct snd_ctl_elem_info *uinfo)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342{
1343 int mask = (kcontrol->private_value >> 16) & 0xff;
1344
1345 uinfo->type = (mask == 1) ?
1346 SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1347 uinfo->count = 1;
1348 uinfo->value.integer.min = 0;
1349 uinfo->value.integer.max = mask;
1350
1351 return 0;
1352}
1353
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001354static int snd_cs4231_get_single(struct snd_kcontrol *kcontrol,
1355 struct snd_ctl_elem_value *ucontrol)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001356{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001357 struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001358 unsigned long flags;
1359 int reg = kcontrol->private_value & 0xff;
1360 int shift = (kcontrol->private_value >> 8) & 0xff;
1361 int mask = (kcontrol->private_value >> 16) & 0xff;
1362 int invert = (kcontrol->private_value >> 24) & 0xff;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001363
Linus Torvalds1da177e2005-04-16 15:20:36 -07001364 spin_lock_irqsave(&chip->lock, flags);
1365
1366 ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
1367
1368 spin_unlock_irqrestore(&chip->lock, flags);
1369
1370 if (invert)
1371 ucontrol->value.integer.value[0] =
1372 (mask - ucontrol->value.integer.value[0]);
1373
1374 return 0;
1375}
1376
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001377static int snd_cs4231_put_single(struct snd_kcontrol *kcontrol,
1378 struct snd_ctl_elem_value *ucontrol)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001379{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001380 struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001381 unsigned long flags;
1382 int reg = kcontrol->private_value & 0xff;
1383 int shift = (kcontrol->private_value >> 8) & 0xff;
1384 int mask = (kcontrol->private_value >> 16) & 0xff;
1385 int invert = (kcontrol->private_value >> 24) & 0xff;
1386 int change;
1387 unsigned short val;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001388
Linus Torvalds1da177e2005-04-16 15:20:36 -07001389 val = (ucontrol->value.integer.value[0] & mask);
1390 if (invert)
1391 val = mask - val;
1392 val <<= shift;
1393
1394 spin_lock_irqsave(&chip->lock, flags);
1395
1396 val = (chip->image[reg] & ~(mask << shift)) | val;
1397 change = val != chip->image[reg];
1398 snd_cs4231_out(chip, reg, val);
1399
1400 spin_unlock_irqrestore(&chip->lock, flags);
1401
1402 return change;
1403}
1404
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001405static int snd_cs4231_info_double(struct snd_kcontrol *kcontrol,
1406 struct snd_ctl_elem_info *uinfo)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001407{
1408 int mask = (kcontrol->private_value >> 24) & 0xff;
1409
1410 uinfo->type = mask == 1 ?
1411 SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1412 uinfo->count = 2;
1413 uinfo->value.integer.min = 0;
1414 uinfo->value.integer.max = mask;
1415
1416 return 0;
1417}
1418
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001419static int snd_cs4231_get_double(struct snd_kcontrol *kcontrol,
1420 struct snd_ctl_elem_value *ucontrol)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001421{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001422 struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001423 unsigned long flags;
1424 int left_reg = kcontrol->private_value & 0xff;
1425 int right_reg = (kcontrol->private_value >> 8) & 0xff;
1426 int shift_left = (kcontrol->private_value >> 16) & 0x07;
1427 int shift_right = (kcontrol->private_value >> 19) & 0x07;
1428 int mask = (kcontrol->private_value >> 24) & 0xff;
1429 int invert = (kcontrol->private_value >> 22) & 1;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001430
Linus Torvalds1da177e2005-04-16 15:20:36 -07001431 spin_lock_irqsave(&chip->lock, flags);
1432
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001433 ucontrol->value.integer.value[0] =
1434 (chip->image[left_reg] >> shift_left) & mask;
1435 ucontrol->value.integer.value[1] =
1436 (chip->image[right_reg] >> shift_right) & mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001437
1438 spin_unlock_irqrestore(&chip->lock, flags);
1439
1440 if (invert) {
1441 ucontrol->value.integer.value[0] =
1442 (mask - ucontrol->value.integer.value[0]);
1443 ucontrol->value.integer.value[1] =
1444 (mask - ucontrol->value.integer.value[1]);
1445 }
1446
1447 return 0;
1448}
1449
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001450static int snd_cs4231_put_double(struct snd_kcontrol *kcontrol,
1451 struct snd_ctl_elem_value *ucontrol)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001452{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001453 struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001454 unsigned long flags;
1455 int left_reg = kcontrol->private_value & 0xff;
1456 int right_reg = (kcontrol->private_value >> 8) & 0xff;
1457 int shift_left = (kcontrol->private_value >> 16) & 0x07;
1458 int shift_right = (kcontrol->private_value >> 19) & 0x07;
1459 int mask = (kcontrol->private_value >> 24) & 0xff;
1460 int invert = (kcontrol->private_value >> 22) & 1;
1461 int change;
1462 unsigned short val1, val2;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001463
Linus Torvalds1da177e2005-04-16 15:20:36 -07001464 val1 = ucontrol->value.integer.value[0] & mask;
1465 val2 = ucontrol->value.integer.value[1] & mask;
1466 if (invert) {
1467 val1 = mask - val1;
1468 val2 = mask - val2;
1469 }
1470 val1 <<= shift_left;
1471 val2 <<= shift_right;
1472
1473 spin_lock_irqsave(&chip->lock, flags);
1474
1475 val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
1476 val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001477 change = val1 != chip->image[left_reg];
1478 change |= val2 != chip->image[right_reg];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001479 snd_cs4231_out(chip, left_reg, val1);
1480 snd_cs4231_out(chip, right_reg, val2);
1481
1482 spin_unlock_irqrestore(&chip->lock, flags);
1483
1484 return change;
1485}
1486
1487#define CS4231_SINGLE(xname, xindex, reg, shift, mask, invert) \
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001488{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .index = (xindex), \
1489 .info = snd_cs4231_info_single, \
1490 .get = snd_cs4231_get_single, .put = snd_cs4231_put_single, \
1491 .private_value = (reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24) }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001492
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001493#define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, \
1494 shift_right, mask, invert) \
1495{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .index = (xindex), \
1496 .info = snd_cs4231_info_double, \
1497 .get = snd_cs4231_get_double, .put = snd_cs4231_put_double, \
1498 .private_value = (left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | \
1499 ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22) }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001500
Bill Pemberton32e02a72012-12-06 12:35:25 -05001501static struct snd_kcontrol_new snd_cs4231_controls[] = {
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001502CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT,
1503 CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
1504CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT,
1505 CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
1506CS4231_DOUBLE("Line Playback Switch", 0, CS4231_LEFT_LINE_IN,
1507 CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
1508CS4231_DOUBLE("Line Playback Volume", 0, CS4231_LEFT_LINE_IN,
1509 CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
1510CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT,
1511 CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
1512CS4231_DOUBLE("Aux Playback Volume", 0, CS4231_AUX1_LEFT_INPUT,
1513 CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
1514CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT,
1515 CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
1516CS4231_DOUBLE("Aux Playback Volume", 1, CS4231_AUX2_LEFT_INPUT,
1517 CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
Linus Torvalds1da177e2005-04-16 15:20:36 -07001518CS4231_SINGLE("Mono Playback Switch", 0, CS4231_MONO_CTRL, 7, 1, 1),
1519CS4231_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
1520CS4231_SINGLE("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, 6, 1, 1),
1521CS4231_SINGLE("Mono Output Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0),
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001522CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0,
1523 15, 0),
Linus Torvalds1da177e2005-04-16 15:20:36 -07001524{
1525 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1526 .name = "Capture Source",
1527 .info = snd_cs4231_info_mux,
1528 .get = snd_cs4231_get_mux,
1529 .put = snd_cs4231_put_mux,
1530},
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001531CS4231_DOUBLE("Mic Boost", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5,
1532 1, 0),
Linus Torvalds1da177e2005-04-16 15:20:36 -07001533CS4231_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
1534CS4231_SINGLE("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1),
1535/* SPARC specific uses of XCTL{0,1} general purpose outputs. */
1536CS4231_SINGLE("Line Out Switch", 0, CS4231_PIN_CTRL, 6, 1, 1),
1537CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1)
1538};
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001539
Bill Pemberton32e02a72012-12-06 12:35:25 -05001540static int snd_cs4231_mixer(struct snd_card *card)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001541{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001542 struct snd_cs4231 *chip = card->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001543 int err, idx;
1544
Takashi Iwai5e246b82008-08-08 17:12:47 +02001545 if (snd_BUG_ON(!chip || !chip->pcm))
1546 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001547
Linus Torvalds1da177e2005-04-16 15:20:36 -07001548 strcpy(card->mixername, chip->pcm->name);
1549
1550 for (idx = 0; idx < ARRAY_SIZE(snd_cs4231_controls); idx++) {
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001551 err = snd_ctl_add(card,
1552 snd_ctl_new1(&snd_cs4231_controls[idx], chip));
1553 if (err < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001554 return err;
1555 }
1556 return 0;
1557}
1558
1559static int dev;
1560
Bill Pemberton32e02a72012-12-06 12:35:25 -05001561static int cs4231_attach_begin(struct snd_card **rcard)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001562{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001563 struct snd_card *card;
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001564 struct snd_cs4231 *chip;
Takashi Iwaibd7dd772008-12-28 16:45:02 +01001565 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001566
1567 *rcard = NULL;
1568
1569 if (dev >= SNDRV_CARDS)
1570 return -ENODEV;
1571
1572 if (!enable[dev]) {
1573 dev++;
1574 return -ENOENT;
1575 }
1576
Takashi Iwaibd7dd772008-12-28 16:45:02 +01001577 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
1578 sizeof(struct snd_cs4231), &card);
1579 if (err < 0)
1580 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001581
1582 strcpy(card->driver, "CS4231");
1583 strcpy(card->shortname, "Sun CS4231");
1584
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001585 chip = card->private_data;
1586 chip->card = card;
1587
Linus Torvalds1da177e2005-04-16 15:20:36 -07001588 *rcard = card;
1589 return 0;
1590}
1591
Bill Pemberton32e02a72012-12-06 12:35:25 -05001592static int cs4231_attach_finish(struct snd_card *card)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001593{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001594 struct snd_cs4231 *chip = card->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001595 int err;
1596
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001597 err = snd_cs4231_pcm(card);
1598 if (err < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001599 goto out_err;
1600
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001601 err = snd_cs4231_mixer(card);
1602 if (err < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001603 goto out_err;
1604
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001605 err = snd_cs4231_timer(card);
1606 if (err < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001607 goto out_err;
1608
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001609 err = snd_card_register(card);
1610 if (err < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001611 goto out_err;
1612
David S. Millerafc88ad2008-08-30 00:13:55 -07001613 dev_set_drvdata(&chip->op->dev, chip);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001614
1615 dev++;
1616 return 0;
1617
1618out_err:
1619 snd_card_free(card);
1620 return err;
1621}
1622
1623#ifdef SBUS_SUPPORT
Georg Chinib1282542005-11-07 14:09:19 -08001624
David Howells7d12e782006-10-05 14:55:46 +01001625static irqreturn_t snd_cs4231_sbus_interrupt(int irq, void *dev_id)
Georg Chinib1282542005-11-07 14:09:19 -08001626{
1627 unsigned long flags;
1628 unsigned char status;
1629 u32 csr;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001630 struct snd_cs4231 *chip = dev_id;
Georg Chinib1282542005-11-07 14:09:19 -08001631
1632 /*This is IRQ is not raised by the cs4231*/
Krzysztof Helt7e52f3d2007-09-05 15:08:23 +02001633 if (!(__cs4231_readb(chip, CS4231U(chip, STATUS)) & CS4231_GLOBALIRQ))
Georg Chinib1282542005-11-07 14:09:19 -08001634 return IRQ_NONE;
1635
1636 /* ACK the APC interrupt. */
1637 csr = sbus_readl(chip->port + APCCSR);
1638
1639 sbus_writel(csr, chip->port + APCCSR);
1640
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001641 if ((csr & APC_PDMA_READY) &&
1642 (csr & APC_PLAY_INT) &&
Georg Chinib1282542005-11-07 14:09:19 -08001643 (csr & APC_XINT_PNVA) &&
1644 !(csr & APC_XINT_EMPT))
1645 snd_cs4231_play_callback(chip);
1646
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001647 if ((csr & APC_CDMA_READY) &&
1648 (csr & APC_CAPT_INT) &&
Georg Chinib1282542005-11-07 14:09:19 -08001649 (csr & APC_XINT_CNVA) &&
1650 !(csr & APC_XINT_EMPT))
1651 snd_cs4231_capture_callback(chip);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001652
Georg Chinib1282542005-11-07 14:09:19 -08001653 status = snd_cs4231_in(chip, CS4231_IRQ_STATUS);
1654
1655 if (status & CS4231_TIMER_IRQ) {
1656 if (chip->timer)
1657 snd_timer_interrupt(chip->timer, chip->timer->sticks);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001658 }
Georg Chinib1282542005-11-07 14:09:19 -08001659
1660 if ((status & CS4231_RECORD_IRQ) && (csr & APC_CDMA_READY))
1661 snd_cs4231_overrange(chip);
1662
1663 /* ACK the CS4231 interrupt. */
1664 spin_lock_irqsave(&chip->lock, flags);
1665 snd_cs4231_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0);
1666 spin_unlock_irqrestore(&chip->lock, flags);
1667
Georg Chinid35a1b92007-01-02 21:28:17 -08001668 return IRQ_HANDLED;
Georg Chinib1282542005-11-07 14:09:19 -08001669}
1670
1671/*
1672 * SBUS DMA routines
1673 */
1674
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001675static int sbus_dma_request(struct cs4231_dma_control *dma_cont,
1676 dma_addr_t bus_addr, size_t len)
Georg Chinib1282542005-11-07 14:09:19 -08001677{
1678 unsigned long flags;
1679 u32 test, csr;
1680 int err;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001681 struct sbus_dma_info *base = &dma_cont->sbus_info;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001682
Georg Chinib1282542005-11-07 14:09:19 -08001683 if (len >= (1 << 24))
1684 return -EINVAL;
1685 spin_lock_irqsave(&base->lock, flags);
1686 csr = sbus_readl(base->regs + APCCSR);
1687 err = -EINVAL;
1688 test = APC_CDMA_READY;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001689 if (base->dir == APC_PLAY)
Georg Chinib1282542005-11-07 14:09:19 -08001690 test = APC_PDMA_READY;
1691 if (!(csr & test))
1692 goto out;
1693 err = -EBUSY;
Georg Chinib1282542005-11-07 14:09:19 -08001694 test = APC_XINT_CNVA;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001695 if (base->dir == APC_PLAY)
Georg Chinib1282542005-11-07 14:09:19 -08001696 test = APC_XINT_PNVA;
1697 if (!(csr & test))
1698 goto out;
1699 err = 0;
1700 sbus_writel(bus_addr, base->regs + base->dir + APCNVA);
1701 sbus_writel(len, base->regs + base->dir + APCNC);
1702out:
1703 spin_unlock_irqrestore(&base->lock, flags);
1704 return err;
1705}
1706
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001707static void sbus_dma_prepare(struct cs4231_dma_control *dma_cont, int d)
Georg Chinib1282542005-11-07 14:09:19 -08001708{
1709 unsigned long flags;
1710 u32 csr, test;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001711 struct sbus_dma_info *base = &dma_cont->sbus_info;
Georg Chinib1282542005-11-07 14:09:19 -08001712
1713 spin_lock_irqsave(&base->lock, flags);
1714 csr = sbus_readl(base->regs + APCCSR);
1715 test = APC_GENL_INT | APC_PLAY_INT | APC_XINT_ENA |
1716 APC_XINT_PLAY | APC_XINT_PEMP | APC_XINT_GENL |
1717 APC_XINT_PENA;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001718 if (base->dir == APC_RECORD)
Georg Chinib1282542005-11-07 14:09:19 -08001719 test = APC_GENL_INT | APC_CAPT_INT | APC_XINT_ENA |
1720 APC_XINT_CAPT | APC_XINT_CEMP | APC_XINT_GENL;
1721 csr |= test;
1722 sbus_writel(csr, base->regs + APCCSR);
1723 spin_unlock_irqrestore(&base->lock, flags);
1724}
1725
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001726static void sbus_dma_enable(struct cs4231_dma_control *dma_cont, int on)
Georg Chinib1282542005-11-07 14:09:19 -08001727{
1728 unsigned long flags;
1729 u32 csr, shift;
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001730 struct sbus_dma_info *base = &dma_cont->sbus_info;
Georg Chinib1282542005-11-07 14:09:19 -08001731
1732 spin_lock_irqsave(&base->lock, flags);
1733 if (!on) {
Georg Chinid35a1b92007-01-02 21:28:17 -08001734 sbus_writel(0, base->regs + base->dir + APCNC);
1735 sbus_writel(0, base->regs + base->dir + APCNVA);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001736 if (base->dir == APC_PLAY) {
Georg Chini3daadf32007-08-01 21:55:58 -07001737 sbus_writel(0, base->regs + base->dir + APCC);
1738 sbus_writel(0, base->regs + base->dir + APCVA);
1739 }
Georg Chinid35a1b92007-01-02 21:28:17 -08001740
Georg Chini3daadf32007-08-01 21:55:58 -07001741 udelay(1200);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001742 }
Georg Chinib1282542005-11-07 14:09:19 -08001743 csr = sbus_readl(base->regs + APCCSR);
1744 shift = 0;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001745 if (base->dir == APC_PLAY)
Georg Chinib1282542005-11-07 14:09:19 -08001746 shift = 1;
1747 if (on)
1748 csr &= ~(APC_CPAUSE << shift);
1749 else
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001750 csr |= (APC_CPAUSE << shift);
Georg Chinib1282542005-11-07 14:09:19 -08001751 sbus_writel(csr, base->regs + APCCSR);
1752 if (on)
1753 csr |= (APC_CDMA_READY << shift);
1754 else
1755 csr &= ~(APC_CDMA_READY << shift);
1756 sbus_writel(csr, base->regs + APCCSR);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001757
Georg Chinib1282542005-11-07 14:09:19 -08001758 spin_unlock_irqrestore(&base->lock, flags);
1759}
1760
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001761static unsigned int sbus_dma_addr(struct cs4231_dma_control *dma_cont)
Georg Chinib1282542005-11-07 14:09:19 -08001762{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001763 struct sbus_dma_info *base = &dma_cont->sbus_info;
Georg Chinib1282542005-11-07 14:09:19 -08001764
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001765 return sbus_readl(base->regs + base->dir + APCVA);
Georg Chinib1282542005-11-07 14:09:19 -08001766}
1767
Georg Chinib1282542005-11-07 14:09:19 -08001768/*
1769 * Init and exit routines
1770 */
1771
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001772static int snd_cs4231_sbus_free(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001773{
Grant Likely2dc11582010-08-06 09:25:50 -06001774 struct platform_device *op = chip->op;
David S. Millerae251032008-08-27 18:24:01 -07001775
Linus Torvalds1da177e2005-04-16 15:20:36 -07001776 if (chip->irq[0])
1777 free_irq(chip->irq[0], chip);
1778
1779 if (chip->port)
David S. Millerae251032008-08-27 18:24:01 -07001780 of_iounmap(&op->resource[0], chip->port, chip->regs_size);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001781
Linus Torvalds1da177e2005-04-16 15:20:36 -07001782 return 0;
1783}
1784
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001785static int snd_cs4231_sbus_dev_free(struct snd_device *device)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001786{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001787 struct snd_cs4231 *cp = device->device_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001788
1789 return snd_cs4231_sbus_free(cp);
1790}
1791
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001792static struct snd_device_ops snd_cs4231_sbus_dev_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001793 .dev_free = snd_cs4231_sbus_dev_free,
1794};
1795
Bill Pemberton32e02a72012-12-06 12:35:25 -05001796static int snd_cs4231_sbus_create(struct snd_card *card,
1797 struct platform_device *op,
1798 int dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001799{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001800 struct snd_cs4231 *chip = card->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001801 int err;
1802
Linus Torvalds1da177e2005-04-16 15:20:36 -07001803 spin_lock_init(&chip->lock);
Georg Chinib1282542005-11-07 14:09:19 -08001804 spin_lock_init(&chip->c_dma.sbus_info.lock);
1805 spin_lock_init(&chip->p_dma.sbus_info.lock);
Ingo Molnar12aa7572006-01-16 16:36:05 +01001806 mutex_init(&chip->mce_mutex);
1807 mutex_init(&chip->open_mutex);
David S. Millerafc88ad2008-08-30 00:13:55 -07001808 chip->op = op;
David S. Millerae251032008-08-27 18:24:01 -07001809 chip->regs_size = resource_size(&op->resource[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001810 memcpy(&chip->image, &snd_cs4231_original_image,
1811 sizeof(snd_cs4231_original_image));
1812
David S. Millerae251032008-08-27 18:24:01 -07001813 chip->port = of_ioremap(&op->resource[0], 0,
1814 chip->regs_size, "cs4231");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001815 if (!chip->port) {
Christopher Zimmermanna1314302005-09-21 00:41:22 -07001816 snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001817 return -EIO;
1818 }
1819
Georg Chinib1282542005-11-07 14:09:19 -08001820 chip->c_dma.sbus_info.regs = chip->port;
1821 chip->p_dma.sbus_info.regs = chip->port;
1822 chip->c_dma.sbus_info.dir = APC_RECORD;
1823 chip->p_dma.sbus_info.dir = APC_PLAY;
1824
1825 chip->p_dma.prepare = sbus_dma_prepare;
1826 chip->p_dma.enable = sbus_dma_enable;
1827 chip->p_dma.request = sbus_dma_request;
1828 chip->p_dma.address = sbus_dma_addr;
Georg Chinib1282542005-11-07 14:09:19 -08001829
1830 chip->c_dma.prepare = sbus_dma_prepare;
1831 chip->c_dma.enable = sbus_dma_enable;
1832 chip->c_dma.request = sbus_dma_request;
1833 chip->c_dma.address = sbus_dma_addr;
Georg Chini5a820fa2005-11-07 14:08:25 -08001834
Grant Likely1636f8a2010-06-18 11:09:58 -06001835 if (request_irq(op->archdata.irqs[0], snd_cs4231_sbus_interrupt,
Thomas Gleixner65ca68b2006-07-01 19:29:46 -07001836 IRQF_SHARED, "cs4231", chip)) {
David S. Millerc6387a42006-06-20 01:21:29 -07001837 snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %d\n",
Grant Likely1636f8a2010-06-18 11:09:58 -06001838 dev, op->archdata.irqs[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001839 snd_cs4231_sbus_free(chip);
1840 return -EBUSY;
1841 }
Grant Likely1636f8a2010-06-18 11:09:58 -06001842 chip->irq[0] = op->archdata.irqs[0];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001843
1844 if (snd_cs4231_probe(chip) < 0) {
1845 snd_cs4231_sbus_free(chip);
1846 return -ENODEV;
1847 }
1848 snd_cs4231_init(chip);
1849
1850 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
1851 chip, &snd_cs4231_sbus_dev_ops)) < 0) {
1852 snd_cs4231_sbus_free(chip);
1853 return err;
1854 }
1855
Linus Torvalds1da177e2005-04-16 15:20:36 -07001856 return 0;
1857}
1858
Bill Pemberton32e02a72012-12-06 12:35:25 -05001859static int cs4231_sbus_probe(struct platform_device *op)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001860{
David S. Millerae251032008-08-27 18:24:01 -07001861 struct resource *rp = &op->resource[0];
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001862 struct snd_card *card;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001863 int err;
1864
1865 err = cs4231_attach_begin(&card);
1866 if (err)
1867 return err;
1868
Andrew Morton5863aa62006-07-03 00:24:22 -07001869 sprintf(card->longname, "%s at 0x%02lx:0x%016Lx, irq %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001870 card->shortname,
1871 rp->flags & 0xffL,
Greg Kroah-Hartmanaa0a2dd2006-06-12 14:50:27 -07001872 (unsigned long long)rp->start,
Grant Likely1636f8a2010-06-18 11:09:58 -06001873 op->archdata.irqs[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001874
David S. Millerae251032008-08-27 18:24:01 -07001875 err = snd_cs4231_sbus_create(card, op, dev);
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001876 if (err < 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001877 snd_card_free(card);
1878 return err;
1879 }
1880
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001881 return cs4231_attach_finish(card);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001882}
1883#endif
1884
1885#ifdef EBUS_SUPPORT
Georg Chinib1282542005-11-07 14:09:19 -08001886
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001887static void snd_cs4231_ebus_play_callback(struct ebus_dma_info *p, int event,
1888 void *cookie)
Georg Chinib1282542005-11-07 14:09:19 -08001889{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001890 struct snd_cs4231 *chip = cookie;
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001891
Georg Chinib1282542005-11-07 14:09:19 -08001892 snd_cs4231_play_callback(chip);
1893}
1894
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001895static void snd_cs4231_ebus_capture_callback(struct ebus_dma_info *p,
1896 int event, void *cookie)
Georg Chinib1282542005-11-07 14:09:19 -08001897{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001898 struct snd_cs4231 *chip = cookie;
Georg Chinib1282542005-11-07 14:09:19 -08001899
1900 snd_cs4231_capture_callback(chip);
1901}
1902
1903/*
1904 * EBUS DMA wrappers
1905 */
1906
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02001907static int _ebus_dma_request(struct cs4231_dma_control *dma_cont,
1908 dma_addr_t bus_addr, size_t len)
Georg Chinib1282542005-11-07 14:09:19 -08001909{
1910 return ebus_dma_request(&dma_cont->ebus_info, bus_addr, len);
1911}
1912
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001913static void _ebus_dma_enable(struct cs4231_dma_control *dma_cont, int on)
Georg Chinib1282542005-11-07 14:09:19 -08001914{
1915 ebus_dma_enable(&dma_cont->ebus_info, on);
1916}
1917
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001918static void _ebus_dma_prepare(struct cs4231_dma_control *dma_cont, int dir)
Georg Chinib1282542005-11-07 14:09:19 -08001919{
1920 ebus_dma_prepare(&dma_cont->ebus_info, dir);
1921}
1922
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001923static unsigned int _ebus_dma_addr(struct cs4231_dma_control *dma_cont)
Georg Chinib1282542005-11-07 14:09:19 -08001924{
1925 return ebus_dma_addr(&dma_cont->ebus_info);
1926}
1927
Georg Chinib1282542005-11-07 14:09:19 -08001928/*
1929 * Init and exit routines
1930 */
1931
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001932static int snd_cs4231_ebus_free(struct snd_cs4231 *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001933{
Grant Likely2dc11582010-08-06 09:25:50 -06001934 struct platform_device *op = chip->op;
David S. Millerafc88ad2008-08-30 00:13:55 -07001935
Georg Chinib1282542005-11-07 14:09:19 -08001936 if (chip->c_dma.ebus_info.regs) {
1937 ebus_dma_unregister(&chip->c_dma.ebus_info);
David S. Millerafc88ad2008-08-30 00:13:55 -07001938 of_iounmap(&op->resource[2], chip->c_dma.ebus_info.regs, 0x10);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001939 }
Georg Chinib1282542005-11-07 14:09:19 -08001940 if (chip->p_dma.ebus_info.regs) {
1941 ebus_dma_unregister(&chip->p_dma.ebus_info);
David S. Millerafc88ad2008-08-30 00:13:55 -07001942 of_iounmap(&op->resource[1], chip->p_dma.ebus_info.regs, 0x10);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001943 }
1944
1945 if (chip->port)
David S. Millerafc88ad2008-08-30 00:13:55 -07001946 of_iounmap(&op->resource[0], chip->port, 0x10);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001947
Linus Torvalds1da177e2005-04-16 15:20:36 -07001948 return 0;
1949}
1950
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001951static int snd_cs4231_ebus_dev_free(struct snd_device *device)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001952{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001953 struct snd_cs4231 *cp = device->device_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001954
1955 return snd_cs4231_ebus_free(cp);
1956}
1957
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01001958static struct snd_device_ops snd_cs4231_ebus_dev_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001959 .dev_free = snd_cs4231_ebus_dev_free,
1960};
1961
Bill Pemberton32e02a72012-12-06 12:35:25 -05001962static int snd_cs4231_ebus_create(struct snd_card *card,
1963 struct platform_device *op,
1964 int dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001965{
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02001966 struct snd_cs4231 *chip = card->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001967 int err;
1968
Linus Torvalds1da177e2005-04-16 15:20:36 -07001969 spin_lock_init(&chip->lock);
Georg Chinib1282542005-11-07 14:09:19 -08001970 spin_lock_init(&chip->c_dma.ebus_info.lock);
1971 spin_lock_init(&chip->p_dma.ebus_info.lock);
Ingo Molnar12aa7572006-01-16 16:36:05 +01001972 mutex_init(&chip->mce_mutex);
1973 mutex_init(&chip->open_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001974 chip->flags |= CS4231_FLAG_EBUS;
David S. Millerafc88ad2008-08-30 00:13:55 -07001975 chip->op = op;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001976 memcpy(&chip->image, &snd_cs4231_original_image,
1977 sizeof(snd_cs4231_original_image));
Georg Chinib1282542005-11-07 14:09:19 -08001978 strcpy(chip->c_dma.ebus_info.name, "cs4231(capture)");
1979 chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
1980 chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback;
1981 chip->c_dma.ebus_info.client_cookie = chip;
Grant Likely1636f8a2010-06-18 11:09:58 -06001982 chip->c_dma.ebus_info.irq = op->archdata.irqs[0];
Georg Chinib1282542005-11-07 14:09:19 -08001983 strcpy(chip->p_dma.ebus_info.name, "cs4231(play)");
1984 chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
1985 chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback;
1986 chip->p_dma.ebus_info.client_cookie = chip;
Grant Likely1636f8a2010-06-18 11:09:58 -06001987 chip->p_dma.ebus_info.irq = op->archdata.irqs[1];
Georg Chinib1282542005-11-07 14:09:19 -08001988
1989 chip->p_dma.prepare = _ebus_dma_prepare;
1990 chip->p_dma.enable = _ebus_dma_enable;
1991 chip->p_dma.request = _ebus_dma_request;
1992 chip->p_dma.address = _ebus_dma_addr;
Georg Chinib1282542005-11-07 14:09:19 -08001993
1994 chip->c_dma.prepare = _ebus_dma_prepare;
1995 chip->c_dma.enable = _ebus_dma_enable;
1996 chip->c_dma.request = _ebus_dma_request;
1997 chip->c_dma.address = _ebus_dma_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001998
David S. Millerafc88ad2008-08-30 00:13:55 -07001999 chip->port = of_ioremap(&op->resource[0], 0, 0x10, "cs4231");
2000 chip->p_dma.ebus_info.regs =
2001 of_ioremap(&op->resource[1], 0, 0x10, "cs4231_pdma");
2002 chip->c_dma.ebus_info.regs =
2003 of_ioremap(&op->resource[2], 0, 0x10, "cs4231_cdma");
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02002004 if (!chip->port || !chip->p_dma.ebus_info.regs ||
2005 !chip->c_dma.ebus_info.regs) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002006 snd_cs4231_ebus_free(chip);
Christopher Zimmermanna1314302005-09-21 00:41:22 -07002007 snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002008 return -EIO;
2009 }
2010
Georg Chinib1282542005-11-07 14:09:19 -08002011 if (ebus_dma_register(&chip->c_dma.ebus_info)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002012 snd_cs4231_ebus_free(chip);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02002013 snd_printdd("cs4231-%d: Unable to register EBUS capture DMA\n",
2014 dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002015 return -EBUSY;
2016 }
Georg Chinib1282542005-11-07 14:09:19 -08002017 if (ebus_dma_irq_enable(&chip->c_dma.ebus_info, 1)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002018 snd_cs4231_ebus_free(chip);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02002019 snd_printdd("cs4231-%d: Unable to enable EBUS capture IRQ\n",
2020 dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002021 return -EBUSY;
2022 }
2023
Georg Chinib1282542005-11-07 14:09:19 -08002024 if (ebus_dma_register(&chip->p_dma.ebus_info)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002025 snd_cs4231_ebus_free(chip);
Krzysztof Helt9e9abb42007-09-10 23:06:55 +02002026 snd_printdd("cs4231-%d: Unable to register EBUS play DMA\n",
2027 dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002028 return -EBUSY;
2029 }
Georg Chinib1282542005-11-07 14:09:19 -08002030 if (ebus_dma_irq_enable(&chip->p_dma.ebus_info, 1)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002031 snd_cs4231_ebus_free(chip);
Christopher Zimmermanna1314302005-09-21 00:41:22 -07002032 snd_printdd("cs4231-%d: Unable to enable EBUS play IRQ\n", dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002033 return -EBUSY;
2034 }
2035
2036 if (snd_cs4231_probe(chip) < 0) {
2037 snd_cs4231_ebus_free(chip);
2038 return -ENODEV;
2039 }
2040 snd_cs4231_init(chip);
2041
2042 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
2043 chip, &snd_cs4231_ebus_dev_ops)) < 0) {
2044 snd_cs4231_ebus_free(chip);
2045 return err;
2046 }
2047
Linus Torvalds1da177e2005-04-16 15:20:36 -07002048 return 0;
2049}
2050
Bill Pemberton32e02a72012-12-06 12:35:25 -05002051static int cs4231_ebus_probe(struct platform_device *op)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002052{
Takashi Iwaibe9b7e82006-01-03 13:42:38 +01002053 struct snd_card *card;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002054 int err;
2055
2056 err = cs4231_attach_begin(&card);
2057 if (err)
2058 return err;
2059
Sam Ravnborg3f4528d2009-01-06 13:20:38 -08002060 sprintf(card->longname, "%s at 0x%llx, irq %d",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002061 card->shortname,
David S. Millerafc88ad2008-08-30 00:13:55 -07002062 op->resource[0].start,
Grant Likely1636f8a2010-06-18 11:09:58 -06002063 op->archdata.irqs[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002064
David S. Millerafc88ad2008-08-30 00:13:55 -07002065 err = snd_cs4231_ebus_create(card, op, dev);
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02002066 if (err < 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002067 snd_card_free(card);
2068 return err;
2069 }
2070
Krzysztof Heltc6c2d572007-09-04 13:08:24 +02002071 return cs4231_attach_finish(card);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002072}
2073#endif
2074
Bill Pemberton32e02a72012-12-06 12:35:25 -05002075static int cs4231_probe(struct platform_device *op)
David S. Millerafc88ad2008-08-30 00:13:55 -07002076{
2077#ifdef EBUS_SUPPORT
Grant Likely61c7a082010-04-13 16:12:29 -07002078 if (!strcmp(op->dev.of_node->parent->name, "ebus"))
Grant Likelyf07eb222011-02-22 21:05:04 -07002079 return cs4231_ebus_probe(op);
David S. Millerafc88ad2008-08-30 00:13:55 -07002080#endif
David S. Millerae251032008-08-27 18:24:01 -07002081#ifdef SBUS_SUPPORT
Grant Likely61c7a082010-04-13 16:12:29 -07002082 if (!strcmp(op->dev.of_node->parent->name, "sbus") ||
2083 !strcmp(op->dev.of_node->parent->name, "sbi"))
Grant Likelyf07eb222011-02-22 21:05:04 -07002084 return cs4231_sbus_probe(op);
David S. Millerafc88ad2008-08-30 00:13:55 -07002085#endif
2086 return -ENODEV;
2087}
2088
Bill Pemberton32e02a72012-12-06 12:35:25 -05002089static int cs4231_remove(struct platform_device *op)
David S. Millerafc88ad2008-08-30 00:13:55 -07002090{
2091 struct snd_cs4231 *chip = dev_get_drvdata(&op->dev);
2092
2093 snd_card_free(chip->card);
2094
2095 return 0;
2096}
2097
David S. Millerfd098312008-08-31 01:23:17 -07002098static const struct of_device_id cs4231_match[] = {
David S. Millerae251032008-08-27 18:24:01 -07002099 {
2100 .name = "SUNW,CS4231",
2101 },
David S. Millerafc88ad2008-08-30 00:13:55 -07002102 {
2103 .name = "audio",
2104 .compatible = "SUNW,CS4231",
2105 },
David S. Millerae251032008-08-27 18:24:01 -07002106 {},
2107};
2108
2109MODULE_DEVICE_TABLE(of, cs4231_match);
2110
Grant Likelyf07eb222011-02-22 21:05:04 -07002111static struct platform_driver cs4231_driver = {
Grant Likely40182942010-04-13 16:13:02 -07002112 .driver = {
2113 .name = "audio",
2114 .owner = THIS_MODULE,
2115 .of_match_table = cs4231_match,
2116 },
David S. Millerae251032008-08-27 18:24:01 -07002117 .probe = cs4231_probe,
Bill Pemberton32e02a72012-12-06 12:35:25 -05002118 .remove = cs4231_remove,
David S. Millerae251032008-08-27 18:24:01 -07002119};
David S. Millerae251032008-08-27 18:24:01 -07002120
Axel Lina09452e2011-11-27 16:36:04 +08002121module_platform_driver(cs4231_driver);