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1 /*
2  *  Driver for S3 SonicVibes soundcard
3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4  *
5  *  BUGS:
6  *    It looks like 86c617 rev 3 doesn't supports DDMA buffers above 16MB?
7  *    Driver sometimes hangs... Nobody knows why at this moment...
8  *
9  *   This program is free software; you can redistribute it and/or modify
10  *   it under the terms of the GNU General Public License as published by
11  *   the Free Software Foundation; either version 2 of the License, or
12  *   (at your option) any later version.
13  *
14  *   This program is distributed in the hope that it will be useful,
15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *   GNU General Public License for more details.
18  *
19  *   You should have received a copy of the GNU General Public License
20  *   along with this program; if not, write to the Free Software
21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22  *
23  */
24 
25 #include <linux/delay.h>
26 #include <linux/init.h>
27 #include <linux/interrupt.h>
28 #include <linux/pci.h>
29 #include <linux/slab.h>
30 #include <linux/gameport.h>
31 #include <linux/module.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/io.h>
34 
35 #include <sound/core.h>
36 #include <sound/pcm.h>
37 #include <sound/info.h>
38 #include <sound/control.h>
39 #include <sound/mpu401.h>
40 #include <sound/opl3.h>
41 #include <sound/initval.h>
42 
43 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
44 MODULE_DESCRIPTION("S3 SonicVibes PCI");
45 MODULE_LICENSE("GPL");
46 MODULE_SUPPORTED_DEVICE("{{S3,SonicVibes PCI}}");
47 
48 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
49 #define SUPPORT_JOYSTICK 1
50 #endif
51 
52 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
53 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
54 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
55 static bool reverb[SNDRV_CARDS];
56 static bool mge[SNDRV_CARDS];
57 static unsigned int dmaio = 0x7a00;	/* DDMA i/o address */
58 
59 module_param_array(index, int, NULL, 0444);
60 MODULE_PARM_DESC(index, "Index value for S3 SonicVibes soundcard.");
61 module_param_array(id, charp, NULL, 0444);
62 MODULE_PARM_DESC(id, "ID string for S3 SonicVibes soundcard.");
63 module_param_array(enable, bool, NULL, 0444);
64 MODULE_PARM_DESC(enable, "Enable S3 SonicVibes soundcard.");
65 module_param_array(reverb, bool, NULL, 0444);
66 MODULE_PARM_DESC(reverb, "Enable reverb (SRAM is present) for S3 SonicVibes soundcard.");
67 module_param_array(mge, bool, NULL, 0444);
68 MODULE_PARM_DESC(mge, "MIC Gain Enable for S3 SonicVibes soundcard.");
69 module_param(dmaio, uint, 0444);
70 MODULE_PARM_DESC(dmaio, "DDMA i/o base address for S3 SonicVibes soundcard.");
71 
72 /*
73  * Enhanced port direct registers
74  */
75 
76 #define SV_REG(sonic, x) ((sonic)->enh_port + SV_REG_##x)
77 
78 #define SV_REG_CONTROL	0x00	/* R/W: CODEC/Mixer control register */
79 #define   SV_ENHANCED	  0x01	/* audio mode select - enhanced mode */
80 #define   SV_TEST	  0x02	/* test bit */
81 #define   SV_REVERB	  0x04	/* reverb enable */
82 #define   SV_WAVETABLE	  0x08	/* wavetable active / FM active if not set */
83 #define   SV_INTA	  0x20	/* INTA driving - should be always 1 */
84 #define   SV_RESET	  0x80	/* reset chip */
85 #define SV_REG_IRQMASK	0x01	/* R/W: CODEC/Mixer interrupt mask register */
86 #define   SV_DMAA_MASK	  0x01	/* mask DMA-A interrupt */
87 #define   SV_DMAC_MASK	  0x04	/* mask DMA-C interrupt */
88 #define   SV_SPEC_MASK	  0x08	/* special interrupt mask - should be always masked */
89 #define   SV_UD_MASK	  0x40	/* Up/Down button interrupt mask */
90 #define   SV_MIDI_MASK	  0x80	/* mask MIDI interrupt */
91 #define SV_REG_STATUS	0x02	/* R/O: CODEC/Mixer status register */
92 #define   SV_DMAA_IRQ	  0x01	/* DMA-A interrupt */
93 #define   SV_DMAC_IRQ	  0x04	/* DMA-C interrupt */
94 #define   SV_SPEC_IRQ	  0x08	/* special interrupt */
95 #define   SV_UD_IRQ	  0x40	/* Up/Down interrupt */
96 #define   SV_MIDI_IRQ	  0x80	/* MIDI interrupt */
97 #define SV_REG_INDEX	0x04	/* R/W: CODEC/Mixer index address register */
98 #define   SV_MCE          0x40	/* mode change enable */
99 #define   SV_TRD	  0x80	/* DMA transfer request disabled */
100 #define SV_REG_DATA	0x05	/* R/W: CODEC/Mixer index data register */
101 
102 /*
103  * Enhanced port indirect registers
104  */
105 
106 #define SV_IREG_LEFT_ADC	0x00	/* Left ADC Input Control */
107 #define SV_IREG_RIGHT_ADC	0x01	/* Right ADC Input Control */
108 #define SV_IREG_LEFT_AUX1	0x02	/* Left AUX1 Input Control */
109 #define SV_IREG_RIGHT_AUX1	0x03	/* Right AUX1 Input Control */
110 #define SV_IREG_LEFT_CD		0x04	/* Left CD Input Control */
111 #define SV_IREG_RIGHT_CD	0x05	/* Right CD Input Control */
112 #define SV_IREG_LEFT_LINE	0x06	/* Left Line Input Control */
113 #define SV_IREG_RIGHT_LINE	0x07	/* Right Line Input Control */
114 #define SV_IREG_MIC		0x08	/* MIC Input Control */
115 #define SV_IREG_GAME_PORT	0x09	/* Game Port Control */
116 #define SV_IREG_LEFT_SYNTH	0x0a	/* Left Synth Input Control */
117 #define SV_IREG_RIGHT_SYNTH	0x0b	/* Right Synth Input Control */
118 #define SV_IREG_LEFT_AUX2	0x0c	/* Left AUX2 Input Control */
119 #define SV_IREG_RIGHT_AUX2	0x0d	/* Right AUX2 Input Control */
120 #define SV_IREG_LEFT_ANALOG	0x0e	/* Left Analog Mixer Output Control */
121 #define SV_IREG_RIGHT_ANALOG	0x0f	/* Right Analog Mixer Output Control */
122 #define SV_IREG_LEFT_PCM	0x10	/* Left PCM Input Control */
123 #define SV_IREG_RIGHT_PCM	0x11	/* Right PCM Input Control */
124 #define SV_IREG_DMA_DATA_FMT	0x12	/* DMA Data Format */
125 #define SV_IREG_PC_ENABLE	0x13	/* Playback/Capture Enable Register */
126 #define SV_IREG_UD_BUTTON	0x14	/* Up/Down Button Register */
127 #define SV_IREG_REVISION	0x15	/* Revision */
128 #define SV_IREG_ADC_OUTPUT_CTRL	0x16	/* ADC Output Control */
129 #define SV_IREG_DMA_A_UPPER	0x18	/* DMA A Upper Base Count */
130 #define SV_IREG_DMA_A_LOWER	0x19	/* DMA A Lower Base Count */
131 #define SV_IREG_DMA_C_UPPER	0x1c	/* DMA C Upper Base Count */
132 #define SV_IREG_DMA_C_LOWER	0x1d	/* DMA C Lower Base Count */
133 #define SV_IREG_PCM_RATE_LOW	0x1e	/* PCM Sampling Rate Low Byte */
134 #define SV_IREG_PCM_RATE_HIGH	0x1f	/* PCM Sampling Rate High Byte */
135 #define SV_IREG_SYNTH_RATE_LOW	0x20	/* Synthesizer Sampling Rate Low Byte */
136 #define SV_IREG_SYNTH_RATE_HIGH 0x21	/* Synthesizer Sampling Rate High Byte */
137 #define SV_IREG_ADC_CLOCK	0x22	/* ADC Clock Source Selection */
138 #define SV_IREG_ADC_ALT_RATE	0x23	/* ADC Alternative Sampling Rate Selection */
139 #define SV_IREG_ADC_PLL_M	0x24	/* ADC PLL M Register */
140 #define SV_IREG_ADC_PLL_N	0x25	/* ADC PLL N Register */
141 #define SV_IREG_SYNTH_PLL_M	0x26	/* Synthesizer PLL M Register */
142 #define SV_IREG_SYNTH_PLL_N	0x27	/* Synthesizer PLL N Register */
143 #define SV_IREG_MPU401		0x2a	/* MPU-401 UART Operation */
144 #define SV_IREG_DRIVE_CTRL	0x2b	/* Drive Control */
145 #define SV_IREG_SRS_SPACE	0x2c	/* SRS Space Control */
146 #define SV_IREG_SRS_CENTER	0x2d	/* SRS Center Control */
147 #define SV_IREG_WAVE_SOURCE	0x2e	/* Wavetable Sample Source Select */
148 #define SV_IREG_ANALOG_POWER	0x30	/* Analog Power Down Control */
149 #define SV_IREG_DIGITAL_POWER	0x31	/* Digital Power Down Control */
150 
151 #define SV_IREG_ADC_PLL		SV_IREG_ADC_PLL_M
152 #define SV_IREG_SYNTH_PLL	SV_IREG_SYNTH_PLL_M
153 
154 /*
155  *  DMA registers
156  */
157 
158 #define SV_DMA_ADDR0		0x00
159 #define SV_DMA_ADDR1		0x01
160 #define SV_DMA_ADDR2		0x02
161 #define SV_DMA_ADDR3		0x03
162 #define SV_DMA_COUNT0		0x04
163 #define SV_DMA_COUNT1		0x05
164 #define SV_DMA_COUNT2		0x06
165 #define SV_DMA_MODE		0x0b
166 #define SV_DMA_RESET		0x0d
167 #define SV_DMA_MASK		0x0f
168 
169 /*
170  *  Record sources
171  */
172 
173 #define SV_RECSRC_RESERVED	(0x00<<5)
174 #define SV_RECSRC_CD		(0x01<<5)
175 #define SV_RECSRC_DAC		(0x02<<5)
176 #define SV_RECSRC_AUX2		(0x03<<5)
177 #define SV_RECSRC_LINE		(0x04<<5)
178 #define SV_RECSRC_AUX1		(0x05<<5)
179 #define SV_RECSRC_MIC		(0x06<<5)
180 #define SV_RECSRC_OUT		(0x07<<5)
181 
182 /*
183  *  constants
184  */
185 
186 #define SV_FULLRATE		48000
187 #define SV_REFFREQUENCY		24576000
188 #define SV_ADCMULT		512
189 
190 #define SV_MODE_PLAY		1
191 #define SV_MODE_CAPTURE		2
192 
193 /*
194 
195  */
196 
197 struct sonicvibes {
198 	unsigned long dma1size;
199 	unsigned long dma2size;
200 	int irq;
201 
202 	unsigned long sb_port;
203 	unsigned long enh_port;
204 	unsigned long synth_port;
205 	unsigned long midi_port;
206 	unsigned long game_port;
207 	unsigned int dmaa_port;
208 	struct resource *res_dmaa;
209 	unsigned int dmac_port;
210 	struct resource *res_dmac;
211 
212 	unsigned char enable;
213 	unsigned char irqmask;
214 	unsigned char revision;
215 	unsigned char format;
216 	unsigned char srs_space;
217 	unsigned char srs_center;
218 	unsigned char mpu_switch;
219 	unsigned char wave_source;
220 
221 	unsigned int mode;
222 
223 	struct pci_dev *pci;
224 	struct snd_card *card;
225 	struct snd_pcm *pcm;
226 	struct snd_pcm_substream *playback_substream;
227 	struct snd_pcm_substream *capture_substream;
228 	struct snd_rawmidi *rmidi;
229 	struct snd_hwdep *fmsynth;	/* S3FM */
230 
231 	spinlock_t reg_lock;
232 
233 	unsigned int p_dma_size;
234 	unsigned int c_dma_size;
235 
236 	struct snd_kcontrol *master_mute;
237 	struct snd_kcontrol *master_volume;
238 
239 #ifdef SUPPORT_JOYSTICK
240 	struct gameport *gameport;
241 #endif
242 };
243 
244 static const struct pci_device_id snd_sonic_ids[] = {
245 	{ PCI_VDEVICE(S3, 0xca00), 0, },
246         { 0, }
247 };
248 
249 MODULE_DEVICE_TABLE(pci, snd_sonic_ids);
250 
251 static struct snd_ratden sonicvibes_adc_clock = {
252 	.num_min = 4000 * 65536,
253 	.num_max = 48000UL * 65536,
254 	.num_step = 1,
255 	.den = 65536,
256 };
257 static struct snd_pcm_hw_constraint_ratdens snd_sonicvibes_hw_constraints_adc_clock = {
258 	.nrats = 1,
259 	.rats = &sonicvibes_adc_clock,
260 };
261 
262 /*
263  *  common I/O routines
264  */
265 
snd_sonicvibes_setdmaa(struct sonicvibes * sonic,unsigned int addr,unsigned int count)266 static inline void snd_sonicvibes_setdmaa(struct sonicvibes * sonic,
267 					  unsigned int addr,
268 					  unsigned int count)
269 {
270 	count--;
271 	outl(addr, sonic->dmaa_port + SV_DMA_ADDR0);
272 	outl(count, sonic->dmaa_port + SV_DMA_COUNT0);
273 	outb(0x18, sonic->dmaa_port + SV_DMA_MODE);
274 #if 0
275 	dev_dbg(sonic->card->dev, "program dmaa: addr = 0x%x, paddr = 0x%x\n",
276 	       addr, inl(sonic->dmaa_port + SV_DMA_ADDR0));
277 #endif
278 }
279 
snd_sonicvibes_setdmac(struct sonicvibes * sonic,unsigned int addr,unsigned int count)280 static inline void snd_sonicvibes_setdmac(struct sonicvibes * sonic,
281 					  unsigned int addr,
282 					  unsigned int count)
283 {
284 	/* note: dmac is working in word mode!!! */
285 	count >>= 1;
286 	count--;
287 	outl(addr, sonic->dmac_port + SV_DMA_ADDR0);
288 	outl(count, sonic->dmac_port + SV_DMA_COUNT0);
289 	outb(0x14, sonic->dmac_port + SV_DMA_MODE);
290 #if 0
291 	dev_dbg(sonic->card->dev, "program dmac: addr = 0x%x, paddr = 0x%x\n",
292 	       addr, inl(sonic->dmac_port + SV_DMA_ADDR0));
293 #endif
294 }
295 
snd_sonicvibes_getdmaa(struct sonicvibes * sonic)296 static inline unsigned int snd_sonicvibes_getdmaa(struct sonicvibes * sonic)
297 {
298 	return (inl(sonic->dmaa_port + SV_DMA_COUNT0) & 0xffffff) + 1;
299 }
300 
snd_sonicvibes_getdmac(struct sonicvibes * sonic)301 static inline unsigned int snd_sonicvibes_getdmac(struct sonicvibes * sonic)
302 {
303 	/* note: dmac is working in word mode!!! */
304 	return ((inl(sonic->dmac_port + SV_DMA_COUNT0) & 0xffffff) + 1) << 1;
305 }
306 
snd_sonicvibes_out1(struct sonicvibes * sonic,unsigned char reg,unsigned char value)307 static void snd_sonicvibes_out1(struct sonicvibes * sonic,
308 				unsigned char reg,
309 				unsigned char value)
310 {
311 	outb(reg, SV_REG(sonic, INDEX));
312 	udelay(10);
313 	outb(value, SV_REG(sonic, DATA));
314 	udelay(10);
315 }
316 
snd_sonicvibes_out(struct sonicvibes * sonic,unsigned char reg,unsigned char value)317 static void snd_sonicvibes_out(struct sonicvibes * sonic,
318 			       unsigned char reg,
319 			       unsigned char value)
320 {
321 	unsigned long flags;
322 
323 	spin_lock_irqsave(&sonic->reg_lock, flags);
324 	outb(reg, SV_REG(sonic, INDEX));
325 	udelay(10);
326 	outb(value, SV_REG(sonic, DATA));
327 	udelay(10);
328 	spin_unlock_irqrestore(&sonic->reg_lock, flags);
329 }
330 
snd_sonicvibes_in1(struct sonicvibes * sonic,unsigned char reg)331 static unsigned char snd_sonicvibes_in1(struct sonicvibes * sonic, unsigned char reg)
332 {
333 	unsigned char value;
334 
335 	outb(reg, SV_REG(sonic, INDEX));
336 	udelay(10);
337 	value = inb(SV_REG(sonic, DATA));
338 	udelay(10);
339 	return value;
340 }
341 
snd_sonicvibes_in(struct sonicvibes * sonic,unsigned char reg)342 static unsigned char snd_sonicvibes_in(struct sonicvibes * sonic, unsigned char reg)
343 {
344 	unsigned long flags;
345 	unsigned char value;
346 
347 	spin_lock_irqsave(&sonic->reg_lock, flags);
348 	outb(reg, SV_REG(sonic, INDEX));
349 	udelay(10);
350 	value = inb(SV_REG(sonic, DATA));
351 	udelay(10);
352 	spin_unlock_irqrestore(&sonic->reg_lock, flags);
353 	return value;
354 }
355 
356 #if 0
357 static void snd_sonicvibes_debug(struct sonicvibes * sonic)
358 {
359 	dev_dbg(sonic->card->dev,
360 		"SV REGS:          INDEX = 0x%02x                   STATUS = 0x%02x\n",
361 		inb(SV_REG(sonic, INDEX)), inb(SV_REG(sonic, STATUS)));
362 	dev_dbg(sonic->card->dev,
363 		"  0x00: left input      = 0x%02x    0x20: synth rate low  = 0x%02x\n",
364 		snd_sonicvibes_in(sonic, 0x00), snd_sonicvibes_in(sonic, 0x20));
365 	dev_dbg(sonic->card->dev,
366 		"  0x01: right input     = 0x%02x    0x21: synth rate high = 0x%02x\n",
367 		snd_sonicvibes_in(sonic, 0x01), snd_sonicvibes_in(sonic, 0x21));
368 	dev_dbg(sonic->card->dev,
369 		"  0x02: left AUX1       = 0x%02x    0x22: ADC clock       = 0x%02x\n",
370 		snd_sonicvibes_in(sonic, 0x02), snd_sonicvibes_in(sonic, 0x22));
371 	dev_dbg(sonic->card->dev,
372 		"  0x03: right AUX1      = 0x%02x    0x23: ADC alt rate    = 0x%02x\n",
373 		snd_sonicvibes_in(sonic, 0x03), snd_sonicvibes_in(sonic, 0x23));
374 	dev_dbg(sonic->card->dev,
375 		"  0x04: left CD         = 0x%02x    0x24: ADC pll M       = 0x%02x\n",
376 		snd_sonicvibes_in(sonic, 0x04), snd_sonicvibes_in(sonic, 0x24));
377 	dev_dbg(sonic->card->dev,
378 		"  0x05: right CD        = 0x%02x    0x25: ADC pll N       = 0x%02x\n",
379 		snd_sonicvibes_in(sonic, 0x05), snd_sonicvibes_in(sonic, 0x25));
380 	dev_dbg(sonic->card->dev,
381 		"  0x06: left line       = 0x%02x    0x26: Synth pll M     = 0x%02x\n",
382 		snd_sonicvibes_in(sonic, 0x06), snd_sonicvibes_in(sonic, 0x26));
383 	dev_dbg(sonic->card->dev,
384 		"  0x07: right line      = 0x%02x    0x27: Synth pll N     = 0x%02x\n",
385 		snd_sonicvibes_in(sonic, 0x07), snd_sonicvibes_in(sonic, 0x27));
386 	dev_dbg(sonic->card->dev,
387 		"  0x08: MIC             = 0x%02x    0x28: ---             = 0x%02x\n",
388 		snd_sonicvibes_in(sonic, 0x08), snd_sonicvibes_in(sonic, 0x28));
389 	dev_dbg(sonic->card->dev,
390 		"  0x09: Game port       = 0x%02x    0x29: ---             = 0x%02x\n",
391 		snd_sonicvibes_in(sonic, 0x09), snd_sonicvibes_in(sonic, 0x29));
392 	dev_dbg(sonic->card->dev,
393 		"  0x0a: left synth      = 0x%02x    0x2a: MPU401          = 0x%02x\n",
394 		snd_sonicvibes_in(sonic, 0x0a), snd_sonicvibes_in(sonic, 0x2a));
395 	dev_dbg(sonic->card->dev,
396 		"  0x0b: right synth     = 0x%02x    0x2b: drive ctrl      = 0x%02x\n",
397 		snd_sonicvibes_in(sonic, 0x0b), snd_sonicvibes_in(sonic, 0x2b));
398 	dev_dbg(sonic->card->dev,
399 		"  0x0c: left AUX2       = 0x%02x    0x2c: SRS space       = 0x%02x\n",
400 		snd_sonicvibes_in(sonic, 0x0c), snd_sonicvibes_in(sonic, 0x2c));
401 	dev_dbg(sonic->card->dev,
402 		"  0x0d: right AUX2      = 0x%02x    0x2d: SRS center      = 0x%02x\n",
403 		snd_sonicvibes_in(sonic, 0x0d), snd_sonicvibes_in(sonic, 0x2d));
404 	dev_dbg(sonic->card->dev,
405 		"  0x0e: left analog     = 0x%02x    0x2e: wave source     = 0x%02x\n",
406 		snd_sonicvibes_in(sonic, 0x0e), snd_sonicvibes_in(sonic, 0x2e));
407 	dev_dbg(sonic->card->dev,
408 		"  0x0f: right analog    = 0x%02x    0x2f: ---             = 0x%02x\n",
409 		snd_sonicvibes_in(sonic, 0x0f), snd_sonicvibes_in(sonic, 0x2f));
410 	dev_dbg(sonic->card->dev,
411 		"  0x10: left PCM        = 0x%02x    0x30: analog power    = 0x%02x\n",
412 		snd_sonicvibes_in(sonic, 0x10), snd_sonicvibes_in(sonic, 0x30));
413 	dev_dbg(sonic->card->dev,
414 		"  0x11: right PCM       = 0x%02x    0x31: analog power    = 0x%02x\n",
415 		snd_sonicvibes_in(sonic, 0x11), snd_sonicvibes_in(sonic, 0x31));
416 	dev_dbg(sonic->card->dev,
417 		"  0x12: DMA data format = 0x%02x    0x32: ---             = 0x%02x\n",
418 		snd_sonicvibes_in(sonic, 0x12), snd_sonicvibes_in(sonic, 0x32));
419 	dev_dbg(sonic->card->dev,
420 		"  0x13: P/C enable      = 0x%02x    0x33: ---             = 0x%02x\n",
421 		snd_sonicvibes_in(sonic, 0x13), snd_sonicvibes_in(sonic, 0x33));
422 	dev_dbg(sonic->card->dev,
423 		"  0x14: U/D button      = 0x%02x    0x34: ---             = 0x%02x\n",
424 		snd_sonicvibes_in(sonic, 0x14), snd_sonicvibes_in(sonic, 0x34));
425 	dev_dbg(sonic->card->dev,
426 		"  0x15: revision        = 0x%02x    0x35: ---             = 0x%02x\n",
427 		snd_sonicvibes_in(sonic, 0x15), snd_sonicvibes_in(sonic, 0x35));
428 	dev_dbg(sonic->card->dev,
429 		"  0x16: ADC output ctrl = 0x%02x    0x36: ---             = 0x%02x\n",
430 		snd_sonicvibes_in(sonic, 0x16), snd_sonicvibes_in(sonic, 0x36));
431 	dev_dbg(sonic->card->dev,
432 		"  0x17: ---             = 0x%02x    0x37: ---             = 0x%02x\n",
433 		snd_sonicvibes_in(sonic, 0x17), snd_sonicvibes_in(sonic, 0x37));
434 	dev_dbg(sonic->card->dev,
435 		"  0x18: DMA A upper cnt = 0x%02x    0x38: ---             = 0x%02x\n",
436 		snd_sonicvibes_in(sonic, 0x18), snd_sonicvibes_in(sonic, 0x38));
437 	dev_dbg(sonic->card->dev,
438 		"  0x19: DMA A lower cnt = 0x%02x    0x39: ---             = 0x%02x\n",
439 		snd_sonicvibes_in(sonic, 0x19), snd_sonicvibes_in(sonic, 0x39));
440 	dev_dbg(sonic->card->dev,
441 		"  0x1a: ---             = 0x%02x    0x3a: ---             = 0x%02x\n",
442 		snd_sonicvibes_in(sonic, 0x1a), snd_sonicvibes_in(sonic, 0x3a));
443 	dev_dbg(sonic->card->dev,
444 		"  0x1b: ---             = 0x%02x    0x3b: ---             = 0x%02x\n",
445 		snd_sonicvibes_in(sonic, 0x1b), snd_sonicvibes_in(sonic, 0x3b));
446 	dev_dbg(sonic->card->dev,
447 		"  0x1c: DMA C upper cnt = 0x%02x    0x3c: ---             = 0x%02x\n",
448 		snd_sonicvibes_in(sonic, 0x1c), snd_sonicvibes_in(sonic, 0x3c));
449 	dev_dbg(sonic->card->dev,
450 		"  0x1d: DMA C upper cnt = 0x%02x    0x3d: ---             = 0x%02x\n",
451 		snd_sonicvibes_in(sonic, 0x1d), snd_sonicvibes_in(sonic, 0x3d));
452 	dev_dbg(sonic->card->dev,
453 		"  0x1e: PCM rate low    = 0x%02x    0x3e: ---             = 0x%02x\n",
454 		snd_sonicvibes_in(sonic, 0x1e), snd_sonicvibes_in(sonic, 0x3e));
455 	dev_dbg(sonic->card->dev,
456 		"  0x1f: PCM rate high   = 0x%02x    0x3f: ---             = 0x%02x\n",
457 		snd_sonicvibes_in(sonic, 0x1f), snd_sonicvibes_in(sonic, 0x3f));
458 }
459 
460 #endif
461 
snd_sonicvibes_setfmt(struct sonicvibes * sonic,unsigned char mask,unsigned char value)462 static void snd_sonicvibes_setfmt(struct sonicvibes * sonic,
463                                   unsigned char mask,
464                                   unsigned char value)
465 {
466 	unsigned long flags;
467 
468 	spin_lock_irqsave(&sonic->reg_lock, flags);
469 	outb(SV_MCE | SV_IREG_DMA_DATA_FMT, SV_REG(sonic, INDEX));
470 	if (mask) {
471 		sonic->format = inb(SV_REG(sonic, DATA));
472 		udelay(10);
473 	}
474 	sonic->format = (sonic->format & mask) | value;
475 	outb(sonic->format, SV_REG(sonic, DATA));
476 	udelay(10);
477 	outb(0, SV_REG(sonic, INDEX));
478 	udelay(10);
479 	spin_unlock_irqrestore(&sonic->reg_lock, flags);
480 }
481 
snd_sonicvibes_pll(unsigned int rate,unsigned int * res_r,unsigned int * res_m,unsigned int * res_n)482 static void snd_sonicvibes_pll(unsigned int rate,
483 			       unsigned int *res_r,
484 			       unsigned int *res_m,
485 			       unsigned int *res_n)
486 {
487 	unsigned int r, m = 0, n = 0;
488 	unsigned int xm, xn, xr, xd, metric = ~0U;
489 
490 	if (rate < 625000 / SV_ADCMULT)
491 		rate = 625000 / SV_ADCMULT;
492 	if (rate > 150000000 / SV_ADCMULT)
493 		rate = 150000000 / SV_ADCMULT;
494 	/* slight violation of specs, needed for continuous sampling rates */
495 	for (r = 0; rate < 75000000 / SV_ADCMULT; r += 0x20, rate <<= 1);
496 	for (xn = 3; xn < 33; xn++)	/* 35 */
497 		for (xm = 3; xm < 257; xm++) {
498 			xr = ((SV_REFFREQUENCY / SV_ADCMULT) * xm) / xn;
499 			if (xr >= rate)
500 				xd = xr - rate;
501 			else
502 				xd = rate - xr;
503 			if (xd < metric) {
504 				metric = xd;
505 				m = xm - 2;
506 				n = xn - 2;
507 			}
508 		}
509 	*res_r = r;
510 	*res_m = m;
511 	*res_n = n;
512 #if 0
513 	dev_dbg(sonic->card->dev,
514 		"metric = %i, xm = %i, xn = %i\n", metric, xm, xn);
515 	dev_dbg(sonic->card->dev,
516 		"pll: m = 0x%x, r = 0x%x, n = 0x%x\n", reg, m, r, n);
517 #endif
518 }
519 
snd_sonicvibes_setpll(struct sonicvibes * sonic,unsigned char reg,unsigned int rate)520 static void snd_sonicvibes_setpll(struct sonicvibes * sonic,
521                                   unsigned char reg,
522                                   unsigned int rate)
523 {
524 	unsigned long flags;
525 	unsigned int r, m, n;
526 
527 	snd_sonicvibes_pll(rate, &r, &m, &n);
528 	if (sonic != NULL) {
529 		spin_lock_irqsave(&sonic->reg_lock, flags);
530 		snd_sonicvibes_out1(sonic, reg, m);
531 		snd_sonicvibes_out1(sonic, reg + 1, r | n);
532 		spin_unlock_irqrestore(&sonic->reg_lock, flags);
533 	}
534 }
535 
snd_sonicvibes_set_adc_rate(struct sonicvibes * sonic,unsigned int rate)536 static void snd_sonicvibes_set_adc_rate(struct sonicvibes * sonic, unsigned int rate)
537 {
538 	unsigned long flags;
539 	unsigned int div;
540 	unsigned char clock;
541 
542 	div = 48000 / rate;
543 	if (div > 8)
544 		div = 8;
545 	if ((48000 / div) == rate) {	/* use the alternate clock */
546 		clock = 0x10;
547 	} else {			/* use the PLL source */
548 		clock = 0x00;
549 		snd_sonicvibes_setpll(sonic, SV_IREG_ADC_PLL, rate);
550 	}
551 	spin_lock_irqsave(&sonic->reg_lock, flags);
552 	snd_sonicvibes_out1(sonic, SV_IREG_ADC_ALT_RATE, (div - 1) << 4);
553 	snd_sonicvibes_out1(sonic, SV_IREG_ADC_CLOCK, clock);
554 	spin_unlock_irqrestore(&sonic->reg_lock, flags);
555 }
556 
snd_sonicvibes_hw_constraint_dac_rate(struct snd_pcm_hw_params * params,struct snd_pcm_hw_rule * rule)557 static int snd_sonicvibes_hw_constraint_dac_rate(struct snd_pcm_hw_params *params,
558 						 struct snd_pcm_hw_rule *rule)
559 {
560 	unsigned int rate, div, r, m, n;
561 
562 	if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min ==
563 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max) {
564 		rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min;
565 		div = 48000 / rate;
566 		if (div > 8)
567 			div = 8;
568 		if ((48000 / div) == rate) {
569 			params->rate_num = rate;
570 			params->rate_den = 1;
571 		} else {
572 			snd_sonicvibes_pll(rate, &r, &m, &n);
573 			snd_BUG_ON(SV_REFFREQUENCY % 16);
574 			snd_BUG_ON(SV_ADCMULT % 512);
575 			params->rate_num = (SV_REFFREQUENCY/16) * (n+2) * r;
576 			params->rate_den = (SV_ADCMULT/512) * (m+2);
577 		}
578 	}
579 	return 0;
580 }
581 
snd_sonicvibes_set_dac_rate(struct sonicvibes * sonic,unsigned int rate)582 static void snd_sonicvibes_set_dac_rate(struct sonicvibes * sonic, unsigned int rate)
583 {
584 	unsigned int div;
585 	unsigned long flags;
586 
587 	div = (rate * 65536 + SV_FULLRATE / 2) / SV_FULLRATE;
588 	if (div > 65535)
589 		div = 65535;
590 	spin_lock_irqsave(&sonic->reg_lock, flags);
591 	snd_sonicvibes_out1(sonic, SV_IREG_PCM_RATE_HIGH, div >> 8);
592 	snd_sonicvibes_out1(sonic, SV_IREG_PCM_RATE_LOW, div);
593 	spin_unlock_irqrestore(&sonic->reg_lock, flags);
594 }
595 
snd_sonicvibes_trigger(struct sonicvibes * sonic,int what,int cmd)596 static int snd_sonicvibes_trigger(struct sonicvibes * sonic, int what, int cmd)
597 {
598 	int result = 0;
599 
600 	spin_lock(&sonic->reg_lock);
601 	if (cmd == SNDRV_PCM_TRIGGER_START) {
602 		if (!(sonic->enable & what)) {
603 			sonic->enable |= what;
604 			snd_sonicvibes_out1(sonic, SV_IREG_PC_ENABLE, sonic->enable);
605 		}
606 	} else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
607 		if (sonic->enable & what) {
608 			sonic->enable &= ~what;
609 			snd_sonicvibes_out1(sonic, SV_IREG_PC_ENABLE, sonic->enable);
610 		}
611 	} else {
612 		result = -EINVAL;
613 	}
614 	spin_unlock(&sonic->reg_lock);
615 	return result;
616 }
617 
snd_sonicvibes_interrupt(int irq,void * dev_id)618 static irqreturn_t snd_sonicvibes_interrupt(int irq, void *dev_id)
619 {
620 	struct sonicvibes *sonic = dev_id;
621 	unsigned char status;
622 
623 	status = inb(SV_REG(sonic, STATUS));
624 	if (!(status & (SV_DMAA_IRQ | SV_DMAC_IRQ | SV_MIDI_IRQ)))
625 		return IRQ_NONE;
626 	if (status == 0xff) {	/* failure */
627 		outb(sonic->irqmask = ~0, SV_REG(sonic, IRQMASK));
628 		dev_err(sonic->card->dev,
629 			"IRQ failure - interrupts disabled!!\n");
630 		return IRQ_HANDLED;
631 	}
632 	if (sonic->pcm) {
633 		if (status & SV_DMAA_IRQ)
634 			snd_pcm_period_elapsed(sonic->playback_substream);
635 		if (status & SV_DMAC_IRQ)
636 			snd_pcm_period_elapsed(sonic->capture_substream);
637 	}
638 	if (sonic->rmidi) {
639 		if (status & SV_MIDI_IRQ)
640 			snd_mpu401_uart_interrupt(irq, sonic->rmidi->private_data);
641 	}
642 	if (status & SV_UD_IRQ) {
643 		unsigned char udreg;
644 		int vol, oleft, oright, mleft, mright;
645 
646 		spin_lock(&sonic->reg_lock);
647 		udreg = snd_sonicvibes_in1(sonic, SV_IREG_UD_BUTTON);
648 		vol = udreg & 0x3f;
649 		if (!(udreg & 0x40))
650 			vol = -vol;
651 		oleft = mleft = snd_sonicvibes_in1(sonic, SV_IREG_LEFT_ANALOG);
652 		oright = mright = snd_sonicvibes_in1(sonic, SV_IREG_RIGHT_ANALOG);
653 		oleft &= 0x1f;
654 		oright &= 0x1f;
655 		oleft += vol;
656 		if (oleft < 0)
657 			oleft = 0;
658 		if (oleft > 0x1f)
659 			oleft = 0x1f;
660 		oright += vol;
661 		if (oright < 0)
662 			oright = 0;
663 		if (oright > 0x1f)
664 			oright = 0x1f;
665 		if (udreg & 0x80) {
666 			mleft ^= 0x80;
667 			mright ^= 0x80;
668 		}
669 		oleft |= mleft & 0x80;
670 		oright |= mright & 0x80;
671 		snd_sonicvibes_out1(sonic, SV_IREG_LEFT_ANALOG, oleft);
672 		snd_sonicvibes_out1(sonic, SV_IREG_RIGHT_ANALOG, oright);
673 		spin_unlock(&sonic->reg_lock);
674 		snd_ctl_notify(sonic->card, SNDRV_CTL_EVENT_MASK_VALUE, &sonic->master_mute->id);
675 		snd_ctl_notify(sonic->card, SNDRV_CTL_EVENT_MASK_VALUE, &sonic->master_volume->id);
676 	}
677 	return IRQ_HANDLED;
678 }
679 
680 /*
681  *  PCM part
682  */
683 
snd_sonicvibes_playback_trigger(struct snd_pcm_substream * substream,int cmd)684 static int snd_sonicvibes_playback_trigger(struct snd_pcm_substream *substream,
685 					   int cmd)
686 {
687 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
688 	return snd_sonicvibes_trigger(sonic, 1, cmd);
689 }
690 
snd_sonicvibes_capture_trigger(struct snd_pcm_substream * substream,int cmd)691 static int snd_sonicvibes_capture_trigger(struct snd_pcm_substream *substream,
692 					  int cmd)
693 {
694 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
695 	return snd_sonicvibes_trigger(sonic, 2, cmd);
696 }
697 
snd_sonicvibes_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * hw_params)698 static int snd_sonicvibes_hw_params(struct snd_pcm_substream *substream,
699 				    struct snd_pcm_hw_params *hw_params)
700 {
701 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
702 }
703 
snd_sonicvibes_hw_free(struct snd_pcm_substream * substream)704 static int snd_sonicvibes_hw_free(struct snd_pcm_substream *substream)
705 {
706 	return snd_pcm_lib_free_pages(substream);
707 }
708 
snd_sonicvibes_playback_prepare(struct snd_pcm_substream * substream)709 static int snd_sonicvibes_playback_prepare(struct snd_pcm_substream *substream)
710 {
711 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
712 	struct snd_pcm_runtime *runtime = substream->runtime;
713 	unsigned char fmt = 0;
714 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
715 	unsigned int count = snd_pcm_lib_period_bytes(substream);
716 
717 	sonic->p_dma_size = size;
718 	count--;
719 	if (runtime->channels > 1)
720 		fmt |= 1;
721 	if (snd_pcm_format_width(runtime->format) == 16)
722 		fmt |= 2;
723 	snd_sonicvibes_setfmt(sonic, ~3, fmt);
724 	snd_sonicvibes_set_dac_rate(sonic, runtime->rate);
725 	spin_lock_irq(&sonic->reg_lock);
726 	snd_sonicvibes_setdmaa(sonic, runtime->dma_addr, size);
727 	snd_sonicvibes_out1(sonic, SV_IREG_DMA_A_UPPER, count >> 8);
728 	snd_sonicvibes_out1(sonic, SV_IREG_DMA_A_LOWER, count);
729 	spin_unlock_irq(&sonic->reg_lock);
730 	return 0;
731 }
732 
snd_sonicvibes_capture_prepare(struct snd_pcm_substream * substream)733 static int snd_sonicvibes_capture_prepare(struct snd_pcm_substream *substream)
734 {
735 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
736 	struct snd_pcm_runtime *runtime = substream->runtime;
737 	unsigned char fmt = 0;
738 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
739 	unsigned int count = snd_pcm_lib_period_bytes(substream);
740 
741 	sonic->c_dma_size = size;
742 	count >>= 1;
743 	count--;
744 	if (runtime->channels > 1)
745 		fmt |= 0x10;
746 	if (snd_pcm_format_width(runtime->format) == 16)
747 		fmt |= 0x20;
748 	snd_sonicvibes_setfmt(sonic, ~0x30, fmt);
749 	snd_sonicvibes_set_adc_rate(sonic, runtime->rate);
750 	spin_lock_irq(&sonic->reg_lock);
751 	snd_sonicvibes_setdmac(sonic, runtime->dma_addr, size);
752 	snd_sonicvibes_out1(sonic, SV_IREG_DMA_C_UPPER, count >> 8);
753 	snd_sonicvibes_out1(sonic, SV_IREG_DMA_C_LOWER, count);
754 	spin_unlock_irq(&sonic->reg_lock);
755 	return 0;
756 }
757 
snd_sonicvibes_playback_pointer(struct snd_pcm_substream * substream)758 static snd_pcm_uframes_t snd_sonicvibes_playback_pointer(struct snd_pcm_substream *substream)
759 {
760 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
761 	size_t ptr;
762 
763 	if (!(sonic->enable & 1))
764 		return 0;
765 	ptr = sonic->p_dma_size - snd_sonicvibes_getdmaa(sonic);
766 	return bytes_to_frames(substream->runtime, ptr);
767 }
768 
snd_sonicvibes_capture_pointer(struct snd_pcm_substream * substream)769 static snd_pcm_uframes_t snd_sonicvibes_capture_pointer(struct snd_pcm_substream *substream)
770 {
771 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
772 	size_t ptr;
773 	if (!(sonic->enable & 2))
774 		return 0;
775 	ptr = sonic->c_dma_size - snd_sonicvibes_getdmac(sonic);
776 	return bytes_to_frames(substream->runtime, ptr);
777 }
778 
779 static struct snd_pcm_hardware snd_sonicvibes_playback =
780 {
781 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
782 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
783 				 SNDRV_PCM_INFO_MMAP_VALID),
784 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
785 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
786 	.rate_min =		4000,
787 	.rate_max =		48000,
788 	.channels_min =		1,
789 	.channels_max =		2,
790 	.buffer_bytes_max =	(128*1024),
791 	.period_bytes_min =	32,
792 	.period_bytes_max =	(128*1024),
793 	.periods_min =		1,
794 	.periods_max =		1024,
795 	.fifo_size =		0,
796 };
797 
798 static struct snd_pcm_hardware snd_sonicvibes_capture =
799 {
800 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
801 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
802 				 SNDRV_PCM_INFO_MMAP_VALID),
803 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
804 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
805 	.rate_min =		4000,
806 	.rate_max =		48000,
807 	.channels_min =		1,
808 	.channels_max =		2,
809 	.buffer_bytes_max =	(128*1024),
810 	.period_bytes_min =	32,
811 	.period_bytes_max =	(128*1024),
812 	.periods_min =		1,
813 	.periods_max =		1024,
814 	.fifo_size =		0,
815 };
816 
snd_sonicvibes_playback_open(struct snd_pcm_substream * substream)817 static int snd_sonicvibes_playback_open(struct snd_pcm_substream *substream)
818 {
819 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
820 	struct snd_pcm_runtime *runtime = substream->runtime;
821 
822 	sonic->mode |= SV_MODE_PLAY;
823 	sonic->playback_substream = substream;
824 	runtime->hw = snd_sonicvibes_playback;
825 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, snd_sonicvibes_hw_constraint_dac_rate, NULL, SNDRV_PCM_HW_PARAM_RATE, -1);
826 	return 0;
827 }
828 
snd_sonicvibes_capture_open(struct snd_pcm_substream * substream)829 static int snd_sonicvibes_capture_open(struct snd_pcm_substream *substream)
830 {
831 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
832 	struct snd_pcm_runtime *runtime = substream->runtime;
833 
834 	sonic->mode |= SV_MODE_CAPTURE;
835 	sonic->capture_substream = substream;
836 	runtime->hw = snd_sonicvibes_capture;
837 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
838 				      &snd_sonicvibes_hw_constraints_adc_clock);
839 	return 0;
840 }
841 
snd_sonicvibes_playback_close(struct snd_pcm_substream * substream)842 static int snd_sonicvibes_playback_close(struct snd_pcm_substream *substream)
843 {
844 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
845 
846 	sonic->playback_substream = NULL;
847 	sonic->mode &= ~SV_MODE_PLAY;
848 	return 0;
849 }
850 
snd_sonicvibes_capture_close(struct snd_pcm_substream * substream)851 static int snd_sonicvibes_capture_close(struct snd_pcm_substream *substream)
852 {
853 	struct sonicvibes *sonic = snd_pcm_substream_chip(substream);
854 
855 	sonic->capture_substream = NULL;
856 	sonic->mode &= ~SV_MODE_CAPTURE;
857 	return 0;
858 }
859 
860 static const struct snd_pcm_ops snd_sonicvibes_playback_ops = {
861 	.open =		snd_sonicvibes_playback_open,
862 	.close =	snd_sonicvibes_playback_close,
863 	.ioctl =	snd_pcm_lib_ioctl,
864 	.hw_params =	snd_sonicvibes_hw_params,
865 	.hw_free =	snd_sonicvibes_hw_free,
866 	.prepare =	snd_sonicvibes_playback_prepare,
867 	.trigger =	snd_sonicvibes_playback_trigger,
868 	.pointer =	snd_sonicvibes_playback_pointer,
869 };
870 
871 static const struct snd_pcm_ops snd_sonicvibes_capture_ops = {
872 	.open =		snd_sonicvibes_capture_open,
873 	.close =	snd_sonicvibes_capture_close,
874 	.ioctl =	snd_pcm_lib_ioctl,
875 	.hw_params =	snd_sonicvibes_hw_params,
876 	.hw_free =	snd_sonicvibes_hw_free,
877 	.prepare =	snd_sonicvibes_capture_prepare,
878 	.trigger =	snd_sonicvibes_capture_trigger,
879 	.pointer =	snd_sonicvibes_capture_pointer,
880 };
881 
snd_sonicvibes_pcm(struct sonicvibes * sonic,int device)882 static int snd_sonicvibes_pcm(struct sonicvibes *sonic, int device)
883 {
884 	struct snd_pcm *pcm;
885 	int err;
886 
887 	if ((err = snd_pcm_new(sonic->card, "s3_86c617", device, 1, 1, &pcm)) < 0)
888 		return err;
889 	if (snd_BUG_ON(!pcm))
890 		return -EINVAL;
891 
892 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sonicvibes_playback_ops);
893 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_sonicvibes_capture_ops);
894 
895 	pcm->private_data = sonic;
896 	pcm->info_flags = 0;
897 	strcpy(pcm->name, "S3 SonicVibes");
898 	sonic->pcm = pcm;
899 
900 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
901 					      snd_dma_pci_data(sonic->pci), 64*1024, 128*1024);
902 
903 	return 0;
904 }
905 
906 /*
907  *  Mixer part
908  */
909 
910 #define SONICVIBES_MUX(xname, xindex) \
911 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
912   .info = snd_sonicvibes_info_mux, \
913   .get = snd_sonicvibes_get_mux, .put = snd_sonicvibes_put_mux }
914 
snd_sonicvibes_info_mux(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)915 static int snd_sonicvibes_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
916 {
917 	static const char * const texts[7] = {
918 		"CD", "PCM", "Aux1", "Line", "Aux0", "Mic", "Mix"
919 	};
920 
921 	return snd_ctl_enum_info(uinfo, 2, 7, texts);
922 }
923 
snd_sonicvibes_get_mux(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)924 static int snd_sonicvibes_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
925 {
926 	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);
927 
928 	spin_lock_irq(&sonic->reg_lock);
929 	ucontrol->value.enumerated.item[0] = ((snd_sonicvibes_in1(sonic, SV_IREG_LEFT_ADC) & SV_RECSRC_OUT) >> 5) - 1;
930 	ucontrol->value.enumerated.item[1] = ((snd_sonicvibes_in1(sonic, SV_IREG_RIGHT_ADC) & SV_RECSRC_OUT) >> 5) - 1;
931 	spin_unlock_irq(&sonic->reg_lock);
932 	return 0;
933 }
934 
snd_sonicvibes_put_mux(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)935 static int snd_sonicvibes_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
936 {
937 	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);
938 	unsigned short left, right, oval1, oval2;
939 	int change;
940 
941 	if (ucontrol->value.enumerated.item[0] >= 7 ||
942 	    ucontrol->value.enumerated.item[1] >= 7)
943 		return -EINVAL;
944 	left = (ucontrol->value.enumerated.item[0] + 1) << 5;
945 	right = (ucontrol->value.enumerated.item[1] + 1) << 5;
946 	spin_lock_irq(&sonic->reg_lock);
947 	oval1 = snd_sonicvibes_in1(sonic, SV_IREG_LEFT_ADC);
948 	oval2 = snd_sonicvibes_in1(sonic, SV_IREG_RIGHT_ADC);
949 	left = (oval1 & ~SV_RECSRC_OUT) | left;
950 	right = (oval2 & ~SV_RECSRC_OUT) | right;
951 	change = left != oval1 || right != oval2;
952 	snd_sonicvibes_out1(sonic, SV_IREG_LEFT_ADC, left);
953 	snd_sonicvibes_out1(sonic, SV_IREG_RIGHT_ADC, right);
954 	spin_unlock_irq(&sonic->reg_lock);
955 	return change;
956 }
957 
958 #define SONICVIBES_SINGLE(xname, xindex, reg, shift, mask, invert) \
959 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
960   .info = snd_sonicvibes_info_single, \
961   .get = snd_sonicvibes_get_single, .put = snd_sonicvibes_put_single, \
962   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
963 
snd_sonicvibes_info_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)964 static int snd_sonicvibes_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
965 {
966 	int mask = (kcontrol->private_value >> 16) & 0xff;
967 
968 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
969 	uinfo->count = 1;
970 	uinfo->value.integer.min = 0;
971 	uinfo->value.integer.max = mask;
972 	return 0;
973 }
974 
snd_sonicvibes_get_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)975 static int snd_sonicvibes_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
976 {
977 	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);
978 	int reg = kcontrol->private_value & 0xff;
979 	int shift = (kcontrol->private_value >> 8) & 0xff;
980 	int mask = (kcontrol->private_value >> 16) & 0xff;
981 	int invert = (kcontrol->private_value >> 24) & 0xff;
982 
983 	spin_lock_irq(&sonic->reg_lock);
984 	ucontrol->value.integer.value[0] = (snd_sonicvibes_in1(sonic, reg)>> shift) & mask;
985 	spin_unlock_irq(&sonic->reg_lock);
986 	if (invert)
987 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
988 	return 0;
989 }
990 
snd_sonicvibes_put_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)991 static int snd_sonicvibes_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
992 {
993 	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);
994 	int reg = kcontrol->private_value & 0xff;
995 	int shift = (kcontrol->private_value >> 8) & 0xff;
996 	int mask = (kcontrol->private_value >> 16) & 0xff;
997 	int invert = (kcontrol->private_value >> 24) & 0xff;
998 	int change;
999 	unsigned short val, oval;
1000 
1001 	val = (ucontrol->value.integer.value[0] & mask);
1002 	if (invert)
1003 		val = mask - val;
1004 	val <<= shift;
1005 	spin_lock_irq(&sonic->reg_lock);
1006 	oval = snd_sonicvibes_in1(sonic, reg);
1007 	val = (oval & ~(mask << shift)) | val;
1008 	change = val != oval;
1009 	snd_sonicvibes_out1(sonic, reg, val);
1010 	spin_unlock_irq(&sonic->reg_lock);
1011 	return change;
1012 }
1013 
1014 #define SONICVIBES_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1015 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1016   .info = snd_sonicvibes_info_double, \
1017   .get = snd_sonicvibes_get_double, .put = snd_sonicvibes_put_double, \
1018   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1019 
snd_sonicvibes_info_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1020 static int snd_sonicvibes_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1021 {
1022 	int mask = (kcontrol->private_value >> 24) & 0xff;
1023 
1024 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1025 	uinfo->count = 2;
1026 	uinfo->value.integer.min = 0;
1027 	uinfo->value.integer.max = mask;
1028 	return 0;
1029 }
1030 
snd_sonicvibes_get_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1031 static int snd_sonicvibes_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1032 {
1033 	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);
1034 	int left_reg = kcontrol->private_value & 0xff;
1035 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1036 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1037 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1038 	int mask = (kcontrol->private_value >> 24) & 0xff;
1039 	int invert = (kcontrol->private_value >> 22) & 1;
1040 
1041 	spin_lock_irq(&sonic->reg_lock);
1042 	ucontrol->value.integer.value[0] = (snd_sonicvibes_in1(sonic, left_reg) >> shift_left) & mask;
1043 	ucontrol->value.integer.value[1] = (snd_sonicvibes_in1(sonic, right_reg) >> shift_right) & mask;
1044 	spin_unlock_irq(&sonic->reg_lock);
1045 	if (invert) {
1046 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1047 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1048 	}
1049 	return 0;
1050 }
1051 
snd_sonicvibes_put_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1052 static int snd_sonicvibes_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1053 {
1054 	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);
1055 	int left_reg = kcontrol->private_value & 0xff;
1056 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1057 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1058 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1059 	int mask = (kcontrol->private_value >> 24) & 0xff;
1060 	int invert = (kcontrol->private_value >> 22) & 1;
1061 	int change;
1062 	unsigned short val1, val2, oval1, oval2;
1063 
1064 	val1 = ucontrol->value.integer.value[0] & mask;
1065 	val2 = ucontrol->value.integer.value[1] & mask;
1066 	if (invert) {
1067 		val1 = mask - val1;
1068 		val2 = mask - val2;
1069 	}
1070 	val1 <<= shift_left;
1071 	val2 <<= shift_right;
1072 	spin_lock_irq(&sonic->reg_lock);
1073 	oval1 = snd_sonicvibes_in1(sonic, left_reg);
1074 	oval2 = snd_sonicvibes_in1(sonic, right_reg);
1075 	val1 = (oval1 & ~(mask << shift_left)) | val1;
1076 	val2 = (oval2 & ~(mask << shift_right)) | val2;
1077 	change = val1 != oval1 || val2 != oval2;
1078 	snd_sonicvibes_out1(sonic, left_reg, val1);
1079 	snd_sonicvibes_out1(sonic, right_reg, val2);
1080 	spin_unlock_irq(&sonic->reg_lock);
1081 	return change;
1082 }
1083 
1084 static struct snd_kcontrol_new snd_sonicvibes_controls[] = {
1085 SONICVIBES_DOUBLE("Capture Volume", 0, SV_IREG_LEFT_ADC, SV_IREG_RIGHT_ADC, 0, 0, 15, 0),
1086 SONICVIBES_DOUBLE("Aux Playback Switch", 0, SV_IREG_LEFT_AUX1, SV_IREG_RIGHT_AUX1, 7, 7, 1, 1),
1087 SONICVIBES_DOUBLE("Aux Playback Volume", 0, SV_IREG_LEFT_AUX1, SV_IREG_RIGHT_AUX1, 0, 0, 31, 1),
1088 SONICVIBES_DOUBLE("CD Playback Switch", 0, SV_IREG_LEFT_CD, SV_IREG_RIGHT_CD, 7, 7, 1, 1),
1089 SONICVIBES_DOUBLE("CD Playback Volume", 0, SV_IREG_LEFT_CD, SV_IREG_RIGHT_CD, 0, 0, 31, 1),
1090 SONICVIBES_DOUBLE("Line Playback Switch", 0, SV_IREG_LEFT_LINE, SV_IREG_RIGHT_LINE, 7, 7, 1, 1),
1091 SONICVIBES_DOUBLE("Line Playback Volume", 0, SV_IREG_LEFT_LINE, SV_IREG_RIGHT_LINE, 0, 0, 31, 1),
1092 SONICVIBES_SINGLE("Mic Playback Switch", 0, SV_IREG_MIC, 7, 1, 1),
1093 SONICVIBES_SINGLE("Mic Playback Volume", 0, SV_IREG_MIC, 0, 15, 1),
1094 SONICVIBES_SINGLE("Mic Boost", 0, SV_IREG_LEFT_ADC, 4, 1, 0),
1095 SONICVIBES_DOUBLE("Synth Playback Switch", 0, SV_IREG_LEFT_SYNTH, SV_IREG_RIGHT_SYNTH, 7, 7, 1, 1),
1096 SONICVIBES_DOUBLE("Synth Playback Volume", 0, SV_IREG_LEFT_SYNTH, SV_IREG_RIGHT_SYNTH, 0, 0, 31, 1),
1097 SONICVIBES_DOUBLE("Aux Playback Switch", 1, SV_IREG_LEFT_AUX2, SV_IREG_RIGHT_AUX2, 7, 7, 1, 1),
1098 SONICVIBES_DOUBLE("Aux Playback Volume", 1, SV_IREG_LEFT_AUX2, SV_IREG_RIGHT_AUX2, 0, 0, 31, 1),
1099 SONICVIBES_DOUBLE("Master Playback Switch", 0, SV_IREG_LEFT_ANALOG, SV_IREG_RIGHT_ANALOG, 7, 7, 1, 1),
1100 SONICVIBES_DOUBLE("Master Playback Volume", 0, SV_IREG_LEFT_ANALOG, SV_IREG_RIGHT_ANALOG, 0, 0, 31, 1),
1101 SONICVIBES_DOUBLE("PCM Playback Switch", 0, SV_IREG_LEFT_PCM, SV_IREG_RIGHT_PCM, 7, 7, 1, 1),
1102 SONICVIBES_DOUBLE("PCM Playback Volume", 0, SV_IREG_LEFT_PCM, SV_IREG_RIGHT_PCM, 0, 0, 63, 1),
1103 SONICVIBES_SINGLE("Loopback Capture Switch", 0, SV_IREG_ADC_OUTPUT_CTRL, 0, 1, 0),
1104 SONICVIBES_SINGLE("Loopback Capture Volume", 0, SV_IREG_ADC_OUTPUT_CTRL, 2, 63, 1),
1105 SONICVIBES_MUX("Capture Source", 0)
1106 };
1107 
snd_sonicvibes_master_free(struct snd_kcontrol * kcontrol)1108 static void snd_sonicvibes_master_free(struct snd_kcontrol *kcontrol)
1109 {
1110 	struct sonicvibes *sonic = snd_kcontrol_chip(kcontrol);
1111 	sonic->master_mute = NULL;
1112 	sonic->master_volume = NULL;
1113 }
1114 
snd_sonicvibes_mixer(struct sonicvibes * sonic)1115 static int snd_sonicvibes_mixer(struct sonicvibes *sonic)
1116 {
1117 	struct snd_card *card;
1118 	struct snd_kcontrol *kctl;
1119 	unsigned int idx;
1120 	int err;
1121 
1122 	if (snd_BUG_ON(!sonic || !sonic->card))
1123 		return -EINVAL;
1124 	card = sonic->card;
1125 	strcpy(card->mixername, "S3 SonicVibes");
1126 
1127 	for (idx = 0; idx < ARRAY_SIZE(snd_sonicvibes_controls); idx++) {
1128 		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_sonicvibes_controls[idx], sonic))) < 0)
1129 			return err;
1130 		switch (idx) {
1131 		case 0:
1132 		case 1: kctl->private_free = snd_sonicvibes_master_free; break;
1133 		}
1134 	}
1135 	return 0;
1136 }
1137 
1138 /*
1139 
1140  */
1141 
snd_sonicvibes_proc_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)1142 static void snd_sonicvibes_proc_read(struct snd_info_entry *entry,
1143 				     struct snd_info_buffer *buffer)
1144 {
1145 	struct sonicvibes *sonic = entry->private_data;
1146 	unsigned char tmp;
1147 
1148 	tmp = sonic->srs_space & 0x0f;
1149 	snd_iprintf(buffer, "SRS 3D           : %s\n",
1150 		    sonic->srs_space & 0x80 ? "off" : "on");
1151 	snd_iprintf(buffer, "SRS Space        : %s\n",
1152 		    tmp == 0x00 ? "100%" :
1153 		    tmp == 0x01 ? "75%" :
1154 		    tmp == 0x02 ? "50%" :
1155 		    tmp == 0x03 ? "25%" : "0%");
1156 	tmp = sonic->srs_center & 0x0f;
1157 	snd_iprintf(buffer, "SRS Center       : %s\n",
1158 		    tmp == 0x00 ? "100%" :
1159 		    tmp == 0x01 ? "75%" :
1160 		    tmp == 0x02 ? "50%" :
1161 		    tmp == 0x03 ? "25%" : "0%");
1162 	tmp = sonic->wave_source & 0x03;
1163 	snd_iprintf(buffer, "WaveTable Source : %s\n",
1164 		    tmp == 0x00 ? "on-board ROM" :
1165 		    tmp == 0x01 ? "PCI bus" : "on-board ROM + PCI bus");
1166 	tmp = sonic->mpu_switch;
1167 	snd_iprintf(buffer, "Onboard synth    : %s\n", tmp & 0x01 ? "on" : "off");
1168 	snd_iprintf(buffer, "Ext. Rx to synth : %s\n", tmp & 0x02 ? "on" : "off");
1169 	snd_iprintf(buffer, "MIDI to ext. Tx  : %s\n", tmp & 0x04 ? "on" : "off");
1170 }
1171 
snd_sonicvibes_proc_init(struct sonicvibes * sonic)1172 static void snd_sonicvibes_proc_init(struct sonicvibes *sonic)
1173 {
1174 	struct snd_info_entry *entry;
1175 
1176 	if (! snd_card_proc_new(sonic->card, "sonicvibes", &entry))
1177 		snd_info_set_text_ops(entry, sonic, snd_sonicvibes_proc_read);
1178 }
1179 
1180 /*
1181 
1182  */
1183 
1184 #ifdef SUPPORT_JOYSTICK
1185 static struct snd_kcontrol_new snd_sonicvibes_game_control =
1186 SONICVIBES_SINGLE("Joystick Speed", 0, SV_IREG_GAME_PORT, 1, 15, 0);
1187 
snd_sonicvibes_create_gameport(struct sonicvibes * sonic)1188 static int snd_sonicvibes_create_gameport(struct sonicvibes *sonic)
1189 {
1190 	struct gameport *gp;
1191 
1192 	sonic->gameport = gp = gameport_allocate_port();
1193 	if (!gp) {
1194 		dev_err(sonic->card->dev,
1195 			"sonicvibes: cannot allocate memory for gameport\n");
1196 		return -ENOMEM;
1197 	}
1198 
1199 	gameport_set_name(gp, "SonicVibes Gameport");
1200 	gameport_set_phys(gp, "pci%s/gameport0", pci_name(sonic->pci));
1201 	gameport_set_dev_parent(gp, &sonic->pci->dev);
1202 	gp->io = sonic->game_port;
1203 
1204 	gameport_register_port(gp);
1205 
1206 	snd_ctl_add(sonic->card, snd_ctl_new1(&snd_sonicvibes_game_control, sonic));
1207 
1208 	return 0;
1209 }
1210 
snd_sonicvibes_free_gameport(struct sonicvibes * sonic)1211 static void snd_sonicvibes_free_gameport(struct sonicvibes *sonic)
1212 {
1213 	if (sonic->gameport) {
1214 		gameport_unregister_port(sonic->gameport);
1215 		sonic->gameport = NULL;
1216 	}
1217 }
1218 #else
snd_sonicvibes_create_gameport(struct sonicvibes * sonic)1219 static inline int snd_sonicvibes_create_gameport(struct sonicvibes *sonic) { return -ENOSYS; }
snd_sonicvibes_free_gameport(struct sonicvibes * sonic)1220 static inline void snd_sonicvibes_free_gameport(struct sonicvibes *sonic) { }
1221 #endif
1222 
snd_sonicvibes_free(struct sonicvibes * sonic)1223 static int snd_sonicvibes_free(struct sonicvibes *sonic)
1224 {
1225 	snd_sonicvibes_free_gameport(sonic);
1226 	pci_write_config_dword(sonic->pci, 0x40, sonic->dmaa_port);
1227 	pci_write_config_dword(sonic->pci, 0x48, sonic->dmac_port);
1228 	if (sonic->irq >= 0)
1229 		free_irq(sonic->irq, sonic);
1230 	release_and_free_resource(sonic->res_dmaa);
1231 	release_and_free_resource(sonic->res_dmac);
1232 	pci_release_regions(sonic->pci);
1233 	pci_disable_device(sonic->pci);
1234 	kfree(sonic);
1235 	return 0;
1236 }
1237 
snd_sonicvibes_dev_free(struct snd_device * device)1238 static int snd_sonicvibes_dev_free(struct snd_device *device)
1239 {
1240 	struct sonicvibes *sonic = device->device_data;
1241 	return snd_sonicvibes_free(sonic);
1242 }
1243 
snd_sonicvibes_create(struct snd_card * card,struct pci_dev * pci,int reverb,int mge,struct sonicvibes ** rsonic)1244 static int snd_sonicvibes_create(struct snd_card *card,
1245 				 struct pci_dev *pci,
1246 				 int reverb,
1247 				 int mge,
1248 				 struct sonicvibes **rsonic)
1249 {
1250 	struct sonicvibes *sonic;
1251 	unsigned int dmaa, dmac;
1252 	int err;
1253 	static struct snd_device_ops ops = {
1254 		.dev_free =	snd_sonicvibes_dev_free,
1255 	};
1256 
1257 	*rsonic = NULL;
1258 	/* enable PCI device */
1259 	if ((err = pci_enable_device(pci)) < 0)
1260 		return err;
1261 	/* check, if we can restrict PCI DMA transfers to 24 bits */
1262 	if (dma_set_mask(&pci->dev, DMA_BIT_MASK(24)) < 0 ||
1263 	    dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(24)) < 0) {
1264 		dev_err(card->dev,
1265 			"architecture does not support 24bit PCI busmaster DMA\n");
1266 		pci_disable_device(pci);
1267                 return -ENXIO;
1268         }
1269 
1270 	sonic = kzalloc(sizeof(*sonic), GFP_KERNEL);
1271 	if (sonic == NULL) {
1272 		pci_disable_device(pci);
1273 		return -ENOMEM;
1274 	}
1275 	spin_lock_init(&sonic->reg_lock);
1276 	sonic->card = card;
1277 	sonic->pci = pci;
1278 	sonic->irq = -1;
1279 
1280 	if ((err = pci_request_regions(pci, "S3 SonicVibes")) < 0) {
1281 		kfree(sonic);
1282 		pci_disable_device(pci);
1283 		return err;
1284 	}
1285 
1286 	sonic->sb_port = pci_resource_start(pci, 0);
1287 	sonic->enh_port = pci_resource_start(pci, 1);
1288 	sonic->synth_port = pci_resource_start(pci, 2);
1289 	sonic->midi_port = pci_resource_start(pci, 3);
1290 	sonic->game_port = pci_resource_start(pci, 4);
1291 
1292 	if (request_irq(pci->irq, snd_sonicvibes_interrupt, IRQF_SHARED,
1293 			KBUILD_MODNAME, sonic)) {
1294 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1295 		snd_sonicvibes_free(sonic);
1296 		return -EBUSY;
1297 	}
1298 	sonic->irq = pci->irq;
1299 
1300 	pci_read_config_dword(pci, 0x40, &dmaa);
1301 	pci_read_config_dword(pci, 0x48, &dmac);
1302 	dmaio &= ~0x0f;
1303 	dmaa &= ~0x0f;
1304 	dmac &= ~0x0f;
1305 	if (!dmaa) {
1306 		dmaa = dmaio;
1307 		dmaio += 0x10;
1308 		dev_info(card->dev,
1309 			 "BIOS did not allocate DDMA channel A i/o, allocated at 0x%x\n",
1310 			 dmaa);
1311 	}
1312 	if (!dmac) {
1313 		dmac = dmaio;
1314 		dmaio += 0x10;
1315 		dev_info(card->dev,
1316 			 "BIOS did not allocate DDMA channel C i/o, allocated at 0x%x\n",
1317 			 dmac);
1318 	}
1319 	pci_write_config_dword(pci, 0x40, dmaa);
1320 	pci_write_config_dword(pci, 0x48, dmac);
1321 
1322 	if ((sonic->res_dmaa = request_region(dmaa, 0x10, "S3 SonicVibes DDMA-A")) == NULL) {
1323 		snd_sonicvibes_free(sonic);
1324 		dev_err(card->dev,
1325 			"unable to grab DDMA-A port at 0x%x-0x%x\n",
1326 			dmaa, dmaa + 0x10 - 1);
1327 		return -EBUSY;
1328 	}
1329 	if ((sonic->res_dmac = request_region(dmac, 0x10, "S3 SonicVibes DDMA-C")) == NULL) {
1330 		snd_sonicvibes_free(sonic);
1331 		dev_err(card->dev,
1332 			"unable to grab DDMA-C port at 0x%x-0x%x\n",
1333 			dmac, dmac + 0x10 - 1);
1334 		return -EBUSY;
1335 	}
1336 
1337 	pci_read_config_dword(pci, 0x40, &sonic->dmaa_port);
1338 	pci_read_config_dword(pci, 0x48, &sonic->dmac_port);
1339 	sonic->dmaa_port &= ~0x0f;
1340 	sonic->dmac_port &= ~0x0f;
1341 	pci_write_config_dword(pci, 0x40, sonic->dmaa_port | 9);	/* enable + enhanced */
1342 	pci_write_config_dword(pci, 0x48, sonic->dmac_port | 9);	/* enable */
1343 	/* ok.. initialize S3 SonicVibes chip */
1344 	outb(SV_RESET, SV_REG(sonic, CONTROL));		/* reset chip */
1345 	udelay(100);
1346 	outb(0, SV_REG(sonic, CONTROL));	/* release reset */
1347 	udelay(100);
1348 	outb(SV_ENHANCED | SV_INTA | (reverb ? SV_REVERB : 0), SV_REG(sonic, CONTROL));
1349 	inb(SV_REG(sonic, STATUS));	/* clear IRQs */
1350 #if 1
1351 	snd_sonicvibes_out(sonic, SV_IREG_DRIVE_CTRL, 0);	/* drive current 16mA */
1352 #else
1353 	snd_sonicvibes_out(sonic, SV_IREG_DRIVE_CTRL, 0x40);	/* drive current 8mA */
1354 #endif
1355 	snd_sonicvibes_out(sonic, SV_IREG_PC_ENABLE, sonic->enable = 0);	/* disable playback & capture */
1356 	outb(sonic->irqmask = ~(SV_DMAA_MASK | SV_DMAC_MASK | SV_UD_MASK), SV_REG(sonic, IRQMASK));
1357 	inb(SV_REG(sonic, STATUS));	/* clear IRQs */
1358 	snd_sonicvibes_out(sonic, SV_IREG_ADC_CLOCK, 0);	/* use PLL as clock source */
1359 	snd_sonicvibes_out(sonic, SV_IREG_ANALOG_POWER, 0);	/* power up analog parts */
1360 	snd_sonicvibes_out(sonic, SV_IREG_DIGITAL_POWER, 0);	/* power up digital parts */
1361 	snd_sonicvibes_setpll(sonic, SV_IREG_ADC_PLL, 8000);
1362 	snd_sonicvibes_out(sonic, SV_IREG_SRS_SPACE, sonic->srs_space = 0x80);	/* SRS space off */
1363 	snd_sonicvibes_out(sonic, SV_IREG_SRS_CENTER, sonic->srs_center = 0x00);/* SRS center off */
1364 	snd_sonicvibes_out(sonic, SV_IREG_MPU401, sonic->mpu_switch = 0x05);	/* MPU-401 switch */
1365 	snd_sonicvibes_out(sonic, SV_IREG_WAVE_SOURCE, sonic->wave_source = 0x00);	/* onboard ROM */
1366 	snd_sonicvibes_out(sonic, SV_IREG_PCM_RATE_LOW, (8000 * 65536 / SV_FULLRATE) & 0xff);
1367 	snd_sonicvibes_out(sonic, SV_IREG_PCM_RATE_HIGH, ((8000 * 65536 / SV_FULLRATE) >> 8) & 0xff);
1368 	snd_sonicvibes_out(sonic, SV_IREG_LEFT_ADC, mge ? 0xd0 : 0xc0);
1369 	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_ADC, 0xc0);
1370 	snd_sonicvibes_out(sonic, SV_IREG_LEFT_AUX1, 0x9f);
1371 	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_AUX1, 0x9f);
1372 	snd_sonicvibes_out(sonic, SV_IREG_LEFT_CD, 0x9f);
1373 	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_CD, 0x9f);
1374 	snd_sonicvibes_out(sonic, SV_IREG_LEFT_LINE, 0x9f);
1375 	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_LINE, 0x9f);
1376 	snd_sonicvibes_out(sonic, SV_IREG_MIC, 0x8f);
1377 	snd_sonicvibes_out(sonic, SV_IREG_LEFT_SYNTH, 0x9f);
1378 	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_SYNTH, 0x9f);
1379 	snd_sonicvibes_out(sonic, SV_IREG_LEFT_AUX2, 0x9f);
1380 	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_AUX2, 0x9f);
1381 	snd_sonicvibes_out(sonic, SV_IREG_LEFT_ANALOG, 0x9f);
1382 	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_ANALOG, 0x9f);
1383 	snd_sonicvibes_out(sonic, SV_IREG_LEFT_PCM, 0xbf);
1384 	snd_sonicvibes_out(sonic, SV_IREG_RIGHT_PCM, 0xbf);
1385 	snd_sonicvibes_out(sonic, SV_IREG_ADC_OUTPUT_CTRL, 0xfc);
1386 #if 0
1387 	snd_sonicvibes_debug(sonic);
1388 #endif
1389 	sonic->revision = snd_sonicvibes_in(sonic, SV_IREG_REVISION);
1390 
1391 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, sonic, &ops)) < 0) {
1392 		snd_sonicvibes_free(sonic);
1393 		return err;
1394 	}
1395 
1396 	snd_sonicvibes_proc_init(sonic);
1397 
1398 	*rsonic = sonic;
1399 	return 0;
1400 }
1401 
1402 /*
1403  *  MIDI section
1404  */
1405 
1406 static struct snd_kcontrol_new snd_sonicvibes_midi_controls[] = {
1407 SONICVIBES_SINGLE("SonicVibes Wave Source RAM", 0, SV_IREG_WAVE_SOURCE, 0, 1, 0),
1408 SONICVIBES_SINGLE("SonicVibes Wave Source RAM+ROM", 0, SV_IREG_WAVE_SOURCE, 1, 1, 0),
1409 SONICVIBES_SINGLE("SonicVibes Onboard Synth", 0, SV_IREG_MPU401, 0, 1, 0),
1410 SONICVIBES_SINGLE("SonicVibes External Rx to Synth", 0, SV_IREG_MPU401, 1, 1, 0),
1411 SONICVIBES_SINGLE("SonicVibes External Tx", 0, SV_IREG_MPU401, 2, 1, 0)
1412 };
1413 
snd_sonicvibes_midi_input_open(struct snd_mpu401 * mpu)1414 static int snd_sonicvibes_midi_input_open(struct snd_mpu401 * mpu)
1415 {
1416 	struct sonicvibes *sonic = mpu->private_data;
1417 	outb(sonic->irqmask &= ~SV_MIDI_MASK, SV_REG(sonic, IRQMASK));
1418 	return 0;
1419 }
1420 
snd_sonicvibes_midi_input_close(struct snd_mpu401 * mpu)1421 static void snd_sonicvibes_midi_input_close(struct snd_mpu401 * mpu)
1422 {
1423 	struct sonicvibes *sonic = mpu->private_data;
1424 	outb(sonic->irqmask |= SV_MIDI_MASK, SV_REG(sonic, IRQMASK));
1425 }
1426 
snd_sonicvibes_midi(struct sonicvibes * sonic,struct snd_rawmidi * rmidi)1427 static int snd_sonicvibes_midi(struct sonicvibes *sonic,
1428 			       struct snd_rawmidi *rmidi)
1429 {
1430 	struct snd_mpu401 * mpu = rmidi->private_data;
1431 	struct snd_card *card = sonic->card;
1432 	struct snd_rawmidi_str *dir;
1433 	unsigned int idx;
1434 	int err;
1435 
1436 	mpu->private_data = sonic;
1437 	mpu->open_input = snd_sonicvibes_midi_input_open;
1438 	mpu->close_input = snd_sonicvibes_midi_input_close;
1439 	dir = &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT];
1440 	for (idx = 0; idx < ARRAY_SIZE(snd_sonicvibes_midi_controls); idx++)
1441 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_sonicvibes_midi_controls[idx], sonic))) < 0)
1442 			return err;
1443 	return 0;
1444 }
1445 
snd_sonic_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)1446 static int snd_sonic_probe(struct pci_dev *pci,
1447 			   const struct pci_device_id *pci_id)
1448 {
1449 	static int dev;
1450 	struct snd_card *card;
1451 	struct sonicvibes *sonic;
1452 	struct snd_rawmidi *midi_uart;
1453 	struct snd_opl3 *opl3;
1454 	int idx, err;
1455 
1456 	if (dev >= SNDRV_CARDS)
1457 		return -ENODEV;
1458 	if (!enable[dev]) {
1459 		dev++;
1460 		return -ENOENT;
1461 	}
1462 
1463 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1464 			   0, &card);
1465 	if (err < 0)
1466 		return err;
1467 	for (idx = 0; idx < 5; idx++) {
1468 		if (pci_resource_start(pci, idx) == 0 ||
1469 		    !(pci_resource_flags(pci, idx) & IORESOURCE_IO)) {
1470 			snd_card_free(card);
1471 			return -ENODEV;
1472 		}
1473 	}
1474 	if ((err = snd_sonicvibes_create(card, pci,
1475 					 reverb[dev] ? 1 : 0,
1476 					 mge[dev] ? 1 : 0,
1477 					 &sonic)) < 0) {
1478 		snd_card_free(card);
1479 		return err;
1480 	}
1481 
1482 	strcpy(card->driver, "SonicVibes");
1483 	strcpy(card->shortname, "S3 SonicVibes");
1484 	sprintf(card->longname, "%s rev %i at 0x%llx, irq %i",
1485 		card->shortname,
1486 		sonic->revision,
1487 		(unsigned long long)pci_resource_start(pci, 1),
1488 		sonic->irq);
1489 
1490 	if ((err = snd_sonicvibes_pcm(sonic, 0)) < 0) {
1491 		snd_card_free(card);
1492 		return err;
1493 	}
1494 	if ((err = snd_sonicvibes_mixer(sonic)) < 0) {
1495 		snd_card_free(card);
1496 		return err;
1497 	}
1498 	if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SONICVIBES,
1499 				       sonic->midi_port,
1500 				       MPU401_INFO_INTEGRATED |
1501 				       MPU401_INFO_IRQ_HOOK,
1502 				       -1, &midi_uart)) < 0) {
1503 		snd_card_free(card);
1504 		return err;
1505 	}
1506 	snd_sonicvibes_midi(sonic, midi_uart);
1507 	if ((err = snd_opl3_create(card, sonic->synth_port,
1508 				   sonic->synth_port + 2,
1509 				   OPL3_HW_OPL3_SV, 1, &opl3)) < 0) {
1510 		snd_card_free(card);
1511 		return err;
1512 	}
1513 	if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1514 		snd_card_free(card);
1515 		return err;
1516 	}
1517 
1518 	snd_sonicvibes_create_gameport(sonic);
1519 
1520 	if ((err = snd_card_register(card)) < 0) {
1521 		snd_card_free(card);
1522 		return err;
1523 	}
1524 
1525 	pci_set_drvdata(pci, card);
1526 	dev++;
1527 	return 0;
1528 }
1529 
snd_sonic_remove(struct pci_dev * pci)1530 static void snd_sonic_remove(struct pci_dev *pci)
1531 {
1532 	snd_card_free(pci_get_drvdata(pci));
1533 }
1534 
1535 static struct pci_driver sonicvibes_driver = {
1536 	.name = KBUILD_MODNAME,
1537 	.id_table = snd_sonic_ids,
1538 	.probe = snd_sonic_probe,
1539 	.remove = snd_sonic_remove,
1540 };
1541 
1542 module_pci_driver(sonicvibes_driver);
1543