xref: /linux/sound/isa/gus/interwave.c (revision 80bb50e2d459213cccff3111d5ef98ed4238c0d5)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Driver for AMD InterWave soundcard
4  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5  *
6  *   1999/07/22		Erik Inge Bolso <knan@mo.himolde.no>
7  *			* mixer group handlers
8  */
9 
10 #include <linux/init.h>
11 #include <linux/err.h>
12 #include <linux/isa.h>
13 #include <linux/delay.h>
14 #include <linux/pnp.h>
15 #include <linux/module.h>
16 #include <asm/dma.h>
17 #include <sound/core.h>
18 #include <sound/gus.h>
19 #include <sound/wss.h>
20 #ifdef SNDRV_STB
21 #include <sound/tea6330t.h>
22 #endif
23 #define SNDRV_LEGACY_FIND_FREE_IRQ
24 #define SNDRV_LEGACY_FIND_FREE_DMA
25 #include <sound/initval.h>
26 
27 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
28 MODULE_LICENSE("GPL");
29 #ifndef SNDRV_STB
30 MODULE_DESCRIPTION("AMD InterWave");
31 #else
32 MODULE_DESCRIPTION("AMD InterWave STB with TEA6330T");
33 #endif
34 
35 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
36 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
37 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
38 #ifdef CONFIG_PNP
39 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
40 #endif
41 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x210,0x220,0x230,0x240,0x250,0x260 */
42 #ifdef SNDRV_STB
43 static long port_tc[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x350,0x360,0x370,0x380 */
44 #endif
45 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 2,3,5,9,11,12,15 */
46 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
47 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
48 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
49 				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
50 static int midi[SNDRV_CARDS];
51 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
52 static int effect[SNDRV_CARDS];
53 
54 #ifdef SNDRV_STB
55 #define INTERWAVE_DRIVER	"snd_interwave_stb"
56 #define INTERWAVE_PNP_DRIVER	"interwave-stb"
57 #else
58 #define INTERWAVE_DRIVER	"snd_interwave"
59 #define INTERWAVE_PNP_DRIVER	"interwave"
60 #endif
61 
62 module_param_array(index, int, NULL, 0444);
63 MODULE_PARM_DESC(index, "Index value for InterWave soundcard.");
64 module_param_array(id, charp, NULL, 0444);
65 MODULE_PARM_DESC(id, "ID string for InterWave soundcard.");
66 module_param_array(enable, bool, NULL, 0444);
67 MODULE_PARM_DESC(enable, "Enable InterWave soundcard.");
68 #ifdef CONFIG_PNP
69 module_param_array(isapnp, bool, NULL, 0444);
70 MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
71 #endif
72 module_param_hw_array(port, long, ioport, NULL, 0444);
73 MODULE_PARM_DESC(port, "Port # for InterWave driver.");
74 #ifdef SNDRV_STB
75 module_param_hw_array(port_tc, long, ioport, NULL, 0444);
76 MODULE_PARM_DESC(port_tc, "Tone control (TEA6330T - i2c bus) port # for InterWave driver.");
77 #endif
78 module_param_hw_array(irq, int, irq, NULL, 0444);
79 MODULE_PARM_DESC(irq, "IRQ # for InterWave driver.");
80 module_param_hw_array(dma1, int, dma, NULL, 0444);
81 MODULE_PARM_DESC(dma1, "DMA1 # for InterWave driver.");
82 module_param_hw_array(dma2, int, dma, NULL, 0444);
83 MODULE_PARM_DESC(dma2, "DMA2 # for InterWave driver.");
84 module_param_array(joystick_dac, int, NULL, 0444);
85 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for InterWave driver.");
86 module_param_array(midi, int, NULL, 0444);
87 MODULE_PARM_DESC(midi, "MIDI UART enable for InterWave driver.");
88 module_param_array(pcm_channels, int, NULL, 0444);
89 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver.");
90 module_param_array(effect, int, NULL, 0444);
91 MODULE_PARM_DESC(effect, "Effects enable for InterWave driver.");
92 
93 struct snd_interwave {
94 	int irq;
95 	struct snd_card *card;
96 	struct snd_gus_card *gus;
97 	struct snd_wss *wss;
98 #ifdef SNDRV_STB
99 	struct snd_i2c_bus *i2c_bus;
100 	struct resource *i2c_res;
101 #endif
102 	unsigned short gus_status_reg;
103 	unsigned short pcm_status_reg;
104 #ifdef CONFIG_PNP
105 	struct pnp_dev *dev;
106 #ifdef SNDRV_STB
107 	struct pnp_dev *devtc;
108 #endif
109 #endif
110 };
111 
112 
113 #ifdef CONFIG_PNP
114 static int isa_registered;
115 static int pnp_registered;
116 
117 static const struct pnp_card_device_id snd_interwave_pnpids[] = {
118 #ifndef SNDRV_STB
119 	/* Gravis UltraSound Plug & Play */
120 	{ .id = "GRV0001", .devs = { { .id = "GRV0000" } } },
121 	/* STB SoundRage32 */
122 	{ .id = "STB011a", .devs = { { .id = "STB0010" } } },
123 	/* MED3210 */
124 	{ .id = "DXP3201", .devs = { { .id = "DXP0010" } } },
125 	/* Dynasonic Pro */
126 	/* This device also have CDC1117:DynaSonix Pro Audio Effects Processor */
127 	{ .id = "CDC1111", .devs = { { .id = "CDC1112" } } },
128 	/* Panasonic PCA761AW Audio Card */
129 	{ .id = "ADV55ff", .devs = { { .id = "ADV0010" } } },
130 	/* InterWave STB without TEA6330T */
131 	{ .id = "ADV550a", .devs = { { .id = "ADV0010" } } },
132 #else
133 	/* InterWave STB with TEA6330T */
134 	{ .id = "ADV550a", .devs = { { .id = "ADV0010" }, { .id = "ADV0015" } } },
135 #endif
136 	{ .id = "" }
137 };
138 
139 MODULE_DEVICE_TABLE(pnp_card, snd_interwave_pnpids);
140 
141 #endif /* CONFIG_PNP */
142 
143 
144 #ifdef SNDRV_STB
145 static void snd_interwave_i2c_setlines(struct snd_i2c_bus *bus, int ctrl, int data)
146 {
147 	unsigned long port = bus->private_value;
148 
149 #if 0
150 	dev_dbg(bus->card->dev, "i2c_setlines - 0x%lx <- %i,%i\n", port, ctrl, data);
151 #endif
152 	outb((data << 1) | ctrl, port);
153 	udelay(10);
154 }
155 
156 static int snd_interwave_i2c_getclockline(struct snd_i2c_bus *bus)
157 {
158 	unsigned long port = bus->private_value;
159 	unsigned char res;
160 
161 	res = inb(port) & 1;
162 #if 0
163 	dev_dbg(bus->card->dev, "i2c_getclockline - 0x%lx -> %i\n", port, res);
164 #endif
165 	return res;
166 }
167 
168 static int snd_interwave_i2c_getdataline(struct snd_i2c_bus *bus, int ack)
169 {
170 	unsigned long port = bus->private_value;
171 	unsigned char res;
172 
173 	if (ack)
174 		udelay(10);
175 	res = (inb(port) & 2) >> 1;
176 #if 0
177 	dev_dbg(bus->card->dev, "i2c_getdataline - 0x%lx -> %i\n", port, res);
178 #endif
179 	return res;
180 }
181 
182 static struct snd_i2c_bit_ops snd_interwave_i2c_bit_ops = {
183 	.setlines = snd_interwave_i2c_setlines,
184 	.getclock = snd_interwave_i2c_getclockline,
185 	.getdata  = snd_interwave_i2c_getdataline,
186 };
187 
188 static int snd_interwave_detect_stb(struct snd_interwave *iwcard,
189 				    struct snd_gus_card *gus, int dev,
190 				    struct snd_i2c_bus **rbus)
191 {
192 	unsigned long port;
193 	struct snd_i2c_bus *bus;
194 	struct snd_card *card = iwcard->card;
195 	char name[32];
196 	int err;
197 
198 	*rbus = NULL;
199 	port = port_tc[dev];
200 	if (port == SNDRV_AUTO_PORT) {
201 		port = 0x350;
202 		if (gus->gf1.port == 0x250) {
203 			port = 0x360;
204 		}
205 		while (port <= 0x380) {
206 			iwcard->i2c_res = devm_request_region(card->dev, port, 1,
207 							      "InterWave (I2C bus)");
208 			if (iwcard->i2c_res)
209 				break;
210 			port += 0x10;
211 		}
212 	} else {
213 		iwcard->i2c_res = devm_request_region(card->dev, port, 1,
214 						      "InterWave (I2C bus)");
215 	}
216 	if (iwcard->i2c_res == NULL) {
217 		dev_err(card->dev, "interwave: can't grab i2c bus port\n");
218 		return -ENODEV;
219 	}
220 
221 	sprintf(name, "InterWave-%i", card->number);
222 	err = snd_i2c_bus_create(card, name, NULL, &bus);
223 	if (err < 0)
224 		return err;
225 	bus->private_value = port;
226 	bus->hw_ops.bit = &snd_interwave_i2c_bit_ops;
227 	err = snd_tea6330t_detect(bus, 0);
228 	if (err < 0)
229 		return err;
230 	*rbus = bus;
231 	return 0;
232 }
233 #endif
234 
235 static int snd_interwave_detect(struct snd_interwave *iwcard,
236 				struct snd_gus_card *gus,
237 				int dev
238 #ifdef SNDRV_STB
239 				, struct snd_i2c_bus **rbus
240 #endif
241 				          )
242 {
243 	unsigned char rev1, rev2;
244 	int d;
245 
246 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */
247 	d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
248 	if ((d & 0x07) != 0) {
249 		dev_dbg(gus->card->dev, "[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
250 		return -ENODEV;
251 	}
252 	udelay(160);
253 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
254 	udelay(160);
255 	d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
256 	if ((d & 0x07) != 1) {
257 		dev_dbg(gus->card->dev, "[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
258 		return -ENODEV;
259 	}
260 	scoped_guard(spinlock_irqsave, &gus->reg_lock) {
261 		rev1 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
262 		snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, ~rev1);
263 		rev2 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
264 		snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, rev1);
265 	}
266 	dev_dbg(gus->card->dev,
267 		"[0x%lx] InterWave check - rev1=0x%x, rev2=0x%x\n",
268 		gus->gf1.port, rev1, rev2);
269 	if ((rev1 & 0xf0) == (rev2 & 0xf0) &&
270 	    (rev1 & 0x0f) != (rev2 & 0x0f)) {
271 		dev_dbg(gus->card->dev,
272 			"[0x%lx] InterWave check - passed\n", gus->gf1.port);
273 		gus->interwave = 1;
274 		strscpy(gus->card->shortname, "AMD InterWave");
275 		gus->revision = rev1 >> 4;
276 #ifndef SNDRV_STB
277 		return 0;	/* ok.. We have an InterWave board */
278 #else
279 		return snd_interwave_detect_stb(iwcard, gus, dev, rbus);
280 #endif
281 	}
282 	dev_dbg(gus->card->dev, "[0x%lx] InterWave check - failed\n", gus->gf1.port);
283 	return -ENODEV;
284 }
285 
286 static irqreturn_t snd_interwave_interrupt(int irq, void *dev_id)
287 {
288 	struct snd_interwave *iwcard = dev_id;
289 	int loop, max = 5;
290 	int handled = 0;
291 
292 	do {
293 		loop = 0;
294 		if (inb(iwcard->gus_status_reg)) {
295 			handled = 1;
296 			snd_gus_interrupt(irq, iwcard->gus);
297 			loop++;
298 		}
299 		if (inb(iwcard->pcm_status_reg) & 0x01) {	/* IRQ bit is set? */
300 			handled = 1;
301 			snd_wss_interrupt(irq, iwcard->wss);
302 			loop++;
303 		}
304 	} while (loop && --max > 0);
305 	return IRQ_RETVAL(handled);
306 }
307 
308 static void snd_interwave_reset(struct snd_gus_card *gus)
309 {
310 	snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x00);
311 	udelay(160);
312 	snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x01);
313 	udelay(160);
314 }
315 
316 static void snd_interwave_bank_sizes(struct snd_gus_card *gus, int *sizes)
317 {
318 	unsigned int idx;
319 	unsigned int local;
320 	unsigned char d;
321 
322 	for (idx = 0; idx < 4; idx++) {
323 		sizes[idx] = 0;
324 		d = 0x55;
325 		for (local = idx << 22;
326 		     local < (idx << 22) + 0x400000;
327 		     local += 0x40000, d++) {
328 			snd_gf1_poke(gus, local, d);
329 			snd_gf1_poke(gus, local + 1, d + 1);
330 #if 0
331 			dev_dbg(gus->card->dev, "d = 0x%x, local = 0x%x, "
332 			       "local + 1 = 0x%x, idx << 22 = 0x%x\n",
333 			       d,
334 			       snd_gf1_peek(gus, local),
335 			       snd_gf1_peek(gus, local + 1),
336 			       snd_gf1_peek(gus, idx << 22));
337 #endif
338 			if (snd_gf1_peek(gus, local) != d ||
339 			    snd_gf1_peek(gus, local + 1) != d + 1 ||
340 			    snd_gf1_peek(gus, idx << 22) != 0x55)
341 				break;
342 			sizes[idx]++;
343 		}
344 	}
345 #if 0
346 	dev_dbg(gus->card->dev, "sizes: %i %i %i %i\n",
347 	       sizes[0], sizes[1], sizes[2], sizes[3]);
348 #endif
349 }
350 
351 struct rom_hdr {
352 	/* 000 */ unsigned char iwave[8];
353 	/* 008 */ unsigned char rom_hdr_revision;
354 	/* 009 */ unsigned char series_number;
355 	/* 010 */ unsigned char series_name[16];
356 	/* 026 */ unsigned char date[10];
357 	/* 036 */ unsigned short vendor_revision_major;
358 	/* 038 */ unsigned short vendor_revision_minor;
359 	/* 040 */ unsigned int rom_size;
360 	/* 044 */ unsigned char copyright[128];
361 	/* 172 */ unsigned char vendor_name[64];
362 	/* 236 */ unsigned char rom_description[128];
363 	/* 364 */ unsigned char pad[147];
364 	/* 511 */ unsigned char csum;
365 };
366 
367 static const unsigned int snd_interwave_memory_configs[] = {
368 	0x00000001, 0x00000101, 0x01010101, 0x00000401,
369 	0x04040401, 0x00040101, 0x04040101, 0x00000004,
370 	0x00000404, 0x04040404, 0x00000010, 0x00001010,
371 	0x10101010
372 };
373 
374 static int snd_interwave_find_memory_config(unsigned int lmct)
375 {
376 	unsigned int i;
377 
378 	for (i = 0; i < ARRAY_SIZE(snd_interwave_memory_configs); i++) {
379 		if (lmct == snd_interwave_memory_configs[i])
380 			return i;
381 	}
382 
383 	return -EINVAL;
384 }
385 
386 static void snd_interwave_detect_memory(struct snd_gus_card *gus)
387 {
388 	int bank_pos, pages;
389 	unsigned int i, lmct;
390 	int lmc_cfg;
391 	int psizes[4];
392 	unsigned char iwave[8];
393 	unsigned char csum;
394 
395 	snd_interwave_reset(gus);
396 	snd_gf1_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);		/* enhanced mode */
397 	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);	/* DRAM I/O cycles selected */
398 	snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff10) | 0x004c);
399 	/* ok.. simple test of memory size */
400 	pages = 0;
401 	snd_gf1_poke(gus, 0, 0x55);
402 	snd_gf1_poke(gus, 1, 0xaa);
403 #if 1
404 	if (snd_gf1_peek(gus, 0) == 0x55 && snd_gf1_peek(gus, 1) == 0xaa)
405 #else
406 	if (0)			/* ok.. for testing of 0k RAM */
407 #endif
408 	{
409 		snd_interwave_bank_sizes(gus, psizes);
410 		lmct = (psizes[3] << 24) | (psizes[2] << 16) |
411 		    (psizes[1] << 8) | psizes[0];
412 #if 0
413 		dev_dbg(gus->card->dev, "lmct = 0x%08x\n", lmct);
414 #endif
415 		lmc_cfg = snd_interwave_find_memory_config(lmct);
416 		if (lmc_cfg >= 0) {
417 #if 0
418 			dev_dbg(gus->card->dev, "found !!! %i\n", lmc_cfg);
419 #endif
420 			snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG,
421 					(snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) |
422 					lmc_cfg);
423 			snd_interwave_bank_sizes(gus, psizes);
424 		} else if (!gus->gf1.enh_mode) {
425 			snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG,
426 					(snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) |
427 					2);
428 		}
429 		for (i = 0; i < 4; i++) {
430 			gus->gf1.mem_alloc.banks_8[i].address =
431 			    gus->gf1.mem_alloc.banks_16[i].address = i << 22;
432 			gus->gf1.mem_alloc.banks_8[i].size =
433 			    gus->gf1.mem_alloc.banks_16[i].size = psizes[i] << 18;
434 			pages += psizes[i];
435 		}
436 	}
437 	pages <<= 18;
438 	gus->gf1.memory = pages;
439 
440 	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x03);	/* select ROM */
441 	snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff1f) | (4 << 5));
442 	gus->gf1.rom_banks = 0;
443 	gus->gf1.rom_memory = 0;
444 	for (bank_pos = 0; bank_pos < 16L * 1024L * 1024L; bank_pos += 4L * 1024L * 1024L) {
445 		for (i = 0; i < 8; ++i)
446 			iwave[i] = snd_gf1_peek(gus, bank_pos + i);
447 		if (strncmp(iwave, "INTRWAVE", 8))
448 			continue;	/* first check */
449 		csum = 0;
450 		for (i = 0; i < sizeof(struct rom_hdr); i++)
451 			csum += snd_gf1_peek(gus, bank_pos + i);
452 		if (csum != 0)
453 			continue;	/* not valid rom */
454 		gus->gf1.rom_banks++;
455 		gus->gf1.rom_present |= 1 << (bank_pos >> 22);
456 		gus->gf1.rom_memory = snd_gf1_peek(gus, bank_pos + 40) |
457 				     (snd_gf1_peek(gus, bank_pos + 41) << 8) |
458 				     (snd_gf1_peek(gus, bank_pos + 42) << 16) |
459 				     (snd_gf1_peek(gus, bank_pos + 43) << 24);
460 	}
461 #if 0
462 	if (gus->gf1.rom_memory > 0) {
463 		if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
464 			gus->card->type = SNDRV_CARD_TYPE_IW_DYNASONIC;
465 	}
466 #endif
467 	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x00);	/* select RAM */
468 
469 	if (!gus->gf1.enh_mode)
470 		snd_interwave_reset(gus);
471 }
472 
473 static void __snd_interwave_restore_regs(struct snd_gus_card *gus)
474 {
475 	snd_gf1_write8(gus, SNDRV_GF1_GB_COMPATIBILITY, 0x1f);
476 	snd_gf1_write8(gus, SNDRV_GF1_GB_DECODE_CONTROL, 0x49);
477 	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, 0x11);
478 	snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A, 0x00);
479 	snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B, 0x30);
480 	snd_gf1_write8(gus, SNDRV_GF1_GB_EMULATION_IRQ, 0x00);
481 }
482 
483 static void snd_interwave_init(int dev, struct snd_gus_card *gus)
484 {
485 	/* Probe-time setup also clears the timer control register. */
486 	scoped_guard(spinlock_irqsave, &gus->reg_lock) {
487 		snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0x00);
488 		__snd_interwave_restore_regs(gus);
489 	}
490 	gus->equal_irq = 1;
491 	gus->codec_flag = 1;
492 	gus->interwave = 1;
493 	gus->max_flag = 1;
494 	gus->joystick_dac = joystick_dac[dev];
495 }
496 
497 static const struct snd_kcontrol_new snd_interwave_controls[] = {
498 WSS_DOUBLE("Master Playback Switch", 0,
499 		CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 7, 7, 1, 1),
500 WSS_DOUBLE("Master Playback Volume", 0,
501 		CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 0, 0, 31, 1),
502 WSS_DOUBLE("Mic Playback Switch", 0,
503 		CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 7, 7, 1, 1),
504 WSS_DOUBLE("Mic Playback Volume", 0,
505 		CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 0, 0, 31, 1)
506 };
507 
508 static int snd_interwave_mixer(struct snd_wss *chip)
509 {
510 	struct snd_card *card = chip->card;
511 	struct snd_ctl_elem_id id1, id2;
512 	unsigned int idx;
513 	int err;
514 
515 	memset(&id1, 0, sizeof(id1));
516 	memset(&id2, 0, sizeof(id2));
517 	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
518 #if 0
519 	/* remove mono microphone controls */
520 	strscpy(id1.name, "Mic Playback Switch");
521 	err = snd_ctl_remove_id(card, &id1);
522 	if (err < 0)
523 		return err;
524 	strscpy(id1.name, "Mic Playback Volume");
525 	err = snd_ctl_remove_id(card, &id1);
526 	if (err < 0)
527 		return err;
528 #endif
529 	/* add new master and mic controls */
530 	for (idx = 0; idx < ARRAY_SIZE(snd_interwave_controls); idx++) {
531 		err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip));
532 		if (err < 0)
533 			return err;
534 	}
535 	snd_wss_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f);
536 	snd_wss_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f);
537 	snd_wss_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f);
538 	snd_wss_out(chip, CS4231_RIGHT_MIC_INPUT, 0x9f);
539 	/* reassign AUXA to SYNTHESIZER */
540 	strscpy(id1.name, "Aux Playback Switch");
541 	strscpy(id2.name, "Synth Playback Switch");
542 	err = snd_ctl_rename_id(card, &id1, &id2);
543 	if (err < 0)
544 		return err;
545 	strscpy(id1.name, "Aux Playback Volume");
546 	strscpy(id2.name, "Synth Playback Volume");
547 	err = snd_ctl_rename_id(card, &id1, &id2);
548 	if (err < 0)
549 		return err;
550 	/* reassign AUXB to CD */
551 	strscpy(id1.name, "Aux Playback Switch"); id1.index = 1;
552 	strscpy(id2.name, "CD Playback Switch");
553 	err = snd_ctl_rename_id(card, &id1, &id2);
554 	if (err < 0)
555 		return err;
556 	strscpy(id1.name, "Aux Playback Volume");
557 	strscpy(id2.name, "CD Playback Volume");
558 	err = snd_ctl_rename_id(card, &id1, &id2);
559 	if (err < 0)
560 		return err;
561 	return 0;
562 }
563 
564 #ifdef CONFIG_PNP
565 
566 static int snd_interwave_pnp(int dev, struct snd_interwave *iwcard,
567 			     struct pnp_card_link *card,
568 			     const struct pnp_card_device_id *id)
569 {
570 	struct pnp_dev *pdev;
571 	int err;
572 
573 	iwcard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
574 	if (iwcard->dev == NULL)
575 		return -EBUSY;
576 
577 #ifdef SNDRV_STB
578 	iwcard->devtc = pnp_request_card_device(card, id->devs[1].id, NULL);
579 	if (iwcard->devtc == NULL)
580 		return -EBUSY;
581 #endif
582 	/* Synth & Codec initialization */
583 	pdev = iwcard->dev;
584 
585 	err = pnp_activate_dev(pdev);
586 	if (err < 0) {
587 		dev_err(&pdev->dev, "InterWave PnP configure failure (out of resources?)\n");
588 		return err;
589 	}
590 	if (pnp_port_start(pdev, 0) + 0x100 != pnp_port_start(pdev, 1) ||
591 	    pnp_port_start(pdev, 0) + 0x10c != pnp_port_start(pdev, 2)) {
592 		dev_err(&pdev->dev, "PnP configure failure (wrong ports)\n");
593 		return -ENOENT;
594 	}
595 	port[dev] = pnp_port_start(pdev, 0);
596 	dma1[dev] = pnp_dma(pdev, 0);
597 	if (dma2[dev] >= 0)
598 		dma2[dev] = pnp_dma(pdev, 1);
599 	irq[dev] = pnp_irq(pdev, 0);
600 	dev_dbg(&pdev->dev,
601 		"isapnp IW: sb port=0x%llx, gf1 port=0x%llx, codec port=0x%llx\n",
602 		(unsigned long long)pnp_port_start(pdev, 0),
603 		(unsigned long long)pnp_port_start(pdev, 1),
604 		(unsigned long long)pnp_port_start(pdev, 2));
605 	dev_dbg(&pdev->dev,
606 		"isapnp IW: dma1=%i, dma2=%i, irq=%i\n",
607 		dma1[dev], dma2[dev], irq[dev]);
608 #ifdef SNDRV_STB
609 	/* Tone Control initialization */
610 	pdev = iwcard->devtc;
611 
612 	err = pnp_activate_dev(pdev);
613 	if (err < 0) {
614 		dev_err(&pdev->dev,
615 			"InterWave ToneControl PnP configure failure (out of resources?)\n");
616 		return err;
617 	}
618 	port_tc[dev] = pnp_port_start(pdev, 0);
619 	dev_dbg(&pdev->dev, "isapnp IW: tone control port=0x%lx\n", port_tc[dev]);
620 #endif
621 	return 0;
622 }
623 #endif /* CONFIG_PNP */
624 
625 static int snd_interwave_card_new(struct device *pdev, int dev,
626 				  struct snd_card **cardp)
627 {
628 	struct snd_card *card;
629 	struct snd_interwave *iwcard;
630 	int err;
631 
632 	err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
633 				sizeof(struct snd_interwave), &card);
634 	if (err < 0)
635 		return err;
636 	iwcard = card->private_data;
637 	iwcard->card = card;
638 	iwcard->irq = -1;
639 	*cardp = card;
640 	return 0;
641 }
642 
643 static int snd_interwave_probe_gus(struct snd_card *card, int dev,
644 				   struct snd_gus_card **gusp)
645 {
646 	return snd_gus_create(card, port[dev], -irq[dev], dma1[dev], dma2[dev],
647 			      0, 32, pcm_channels[dev], effect[dev], gusp);
648 }
649 
650 static int snd_interwave_probe(struct snd_card *card, int dev,
651 			       struct snd_gus_card *gus)
652 {
653 	int xirq, xdma1, xdma2;
654 	struct snd_interwave *iwcard = card->private_data;
655 	struct snd_wss *wss;
656 #ifdef SNDRV_STB
657 	struct snd_i2c_bus *i2c_bus;
658 #endif
659 	char *str;
660 	int err;
661 
662 	xirq = irq[dev];
663 	xdma1 = dma1[dev];
664 	xdma2 = dma2[dev];
665 
666 	err = snd_interwave_detect(iwcard, gus, dev
667 #ifdef SNDRV_STB
668 				   , &i2c_bus
669 #endif
670 				   );
671 	if (err < 0)
672 		return err;
673 
674 	iwcard->gus_status_reg = gus->gf1.reg_irqstat;
675 	iwcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
676 
677 	snd_interwave_init(dev, gus);
678 	snd_interwave_detect_memory(gus);
679 	err = snd_gus_initialize(gus);
680 	if (err < 0)
681 		return err;
682 
683 	if (devm_request_irq(card->dev, xirq, snd_interwave_interrupt, 0,
684 			     "InterWave", iwcard)) {
685 		dev_err(card->dev, "unable to grab IRQ %d\n", xirq);
686 		return -EBUSY;
687 	}
688 	iwcard->irq = xirq;
689 	card->sync_irq = iwcard->irq;
690 
691 	err = snd_wss_create(card,
692 			     gus->gf1.port + 0x10c, -1, xirq,
693 			     xdma2 < 0 ? xdma1 : xdma2, xdma1,
694 			     WSS_HW_INTERWAVE,
695 			     WSS_HWSHARE_IRQ |
696 			     WSS_HWSHARE_DMA1 |
697 			     WSS_HWSHARE_DMA2,
698 			     &wss);
699 	if (err < 0)
700 		return err;
701 
702 	err = snd_wss_pcm(wss, 0);
703 	if (err < 0)
704 		return err;
705 
706 	sprintf(wss->pcm->name + strlen(wss->pcm->name), " rev %c",
707 		gus->revision + 'A');
708 	strcat(wss->pcm->name, " (codec)");
709 
710 	err = snd_wss_timer(wss, 2);
711 	if (err < 0)
712 		return err;
713 
714 	err = snd_wss_mixer(wss);
715 	if (err < 0)
716 		return err;
717 
718 	if (pcm_channels[dev] > 0) {
719 		err = snd_gf1_pcm_new(gus, 1, 1);
720 		if (err < 0)
721 			return err;
722 	}
723 	err = snd_interwave_mixer(wss);
724 	if (err < 0)
725 		return err;
726 
727 #ifdef SNDRV_STB
728 	{
729 		struct snd_ctl_elem_id id1, id2;
730 		memset(&id1, 0, sizeof(id1));
731 		memset(&id2, 0, sizeof(id2));
732 		id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
733 		strscpy(id1.name, "Master Playback Switch");
734 		strscpy(id2.name, id1.name);
735 		id2.index = 1;
736 		err = snd_ctl_rename_id(card, &id1, &id2);
737 		if (err < 0)
738 			return err;
739 		strscpy(id1.name, "Master Playback Volume");
740 		strscpy(id2.name, id1.name);
741 		err = snd_ctl_rename_id(card, &id1, &id2);
742 		if (err < 0)
743 			return err;
744 		err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1);
745 		if (err < 0)
746 			return err;
747 		iwcard->i2c_bus = i2c_bus;
748 	}
749 #endif
750 
751 	gus->uart_enable = midi[dev];
752 	err = snd_gf1_rawmidi_new(gus, 0);
753 	if (err < 0)
754 		return err;
755 
756 #ifndef SNDRV_STB
757 	str = "AMD InterWave";
758 	if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
759 		str = "Dynasonic 3-D";
760 #else
761 	str = "InterWave STB";
762 #endif
763 	strscpy(card->driver, str);
764 	strscpy(card->shortname, str);
765 	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %d",
766 		str,
767 		gus->gf1.port,
768 		xirq,
769 		xdma1);
770 	if (xdma2 >= 0)
771 		sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
772 
773 	err = snd_card_register(card);
774 	if (err < 0)
775 		return err;
776 
777 	iwcard->wss = wss;
778 	iwcard->gus = gus;
779 	return 0;
780 }
781 
782 static int snd_interwave_isa_match(struct device *pdev,
783 				   unsigned int dev)
784 {
785 	if (!enable[dev])
786 		return 0;
787 #ifdef CONFIG_PNP
788 	if (isapnp[dev])
789 		return 0;
790 #endif
791 	return 1;
792 }
793 
794 static int snd_interwave_isa_probe(struct device *pdev,
795 				   unsigned int dev)
796 {
797 	struct snd_card *card;
798 	struct snd_gus_card *gus;
799 	int err;
800 	static const int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
801 	static const int possible_dmas[] = {0, 1, 3, 5, 6, 7, -1};
802 
803 	if (irq[dev] == SNDRV_AUTO_IRQ) {
804 		irq[dev] = snd_legacy_find_free_irq(possible_irqs);
805 		if (irq[dev] < 0) {
806 			dev_err(pdev, "unable to find a free IRQ\n");
807 			return -EBUSY;
808 		}
809 	}
810 	if (dma1[dev] == SNDRV_AUTO_DMA) {
811 		dma1[dev] = snd_legacy_find_free_dma(possible_dmas);
812 		if (dma1[dev] < 0) {
813 			dev_err(pdev, "unable to find a free DMA1\n");
814 			return -EBUSY;
815 		}
816 	}
817 	if (dma2[dev] == SNDRV_AUTO_DMA) {
818 		dma2[dev] = snd_legacy_find_free_dma(possible_dmas);
819 		if (dma2[dev] < 0) {
820 			dev_err(pdev, "unable to find a free DMA2\n");
821 			return -EBUSY;
822 		}
823 	}
824 
825 	err = snd_interwave_card_new(pdev, dev, &card);
826 	if (err < 0)
827 		return err;
828 
829 	if (port[dev] != SNDRV_AUTO_PORT)
830 		err = snd_interwave_probe_gus(card, dev, &gus);
831 	else {
832 		static const long possible_ports[] = {0x210, 0x220, 0x230, 0x240, 0x250, 0x260};
833 		int i;
834 		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
835 			port[dev] = possible_ports[i];
836 			err = snd_interwave_probe_gus(card, dev, &gus);
837 			if (! err)
838 				return 0;
839 		}
840 	}
841 	if (err < 0)
842 		return err;
843 
844 	err = snd_interwave_probe(card, dev, gus);
845 	if (err < 0)
846 		return err;
847 
848 	dev_set_drvdata(pdev, card);
849 	return 0;
850 }
851 
852 #ifdef CONFIG_PM
853 static void snd_interwave_restore_regs(struct snd_gus_card *gus)
854 {
855 	scoped_guard(spinlock_irqsave, &gus->reg_lock)
856 		__snd_interwave_restore_regs(gus);
857 }
858 
859 static void snd_interwave_restore_memory(struct snd_gus_card *gus)
860 {
861 	unsigned short mem_cfg;
862 	unsigned int lmct = 0;
863 	int i, lmc_cfg;
864 
865 	if (!gus->gf1.memory)
866 		return;
867 
868 	for (i = 0; i < 4; i++)
869 		lmct |= (gus->gf1.mem_alloc.banks_16[i].size >> 18) << (i * 8);
870 
871 	lmc_cfg = snd_interwave_find_memory_config(lmct);
872 	if (lmc_cfg < 0) {
873 		if (!gus->gf1.enh_mode) {
874 			lmc_cfg = 2;
875 		} else {
876 			dev_warn(gus->card->dev,
877 				 "cannot restore InterWave memory layout 0x%08x\n",
878 				 lmct);
879 			return;
880 		}
881 	}
882 
883 	scoped_guard(spinlock_irqsave, &gus->reg_lock) {
884 		mem_cfg = snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG);
885 		mem_cfg = (mem_cfg & 0xfff0) | lmc_cfg;
886 		mem_cfg = (mem_cfg & 0xff1f) | (4 << 5);
887 		snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, mem_cfg);
888 	}
889 }
890 
891 static int snd_interwave_card_suspend(struct snd_card *card)
892 {
893 	struct snd_interwave *iwcard = card->private_data;
894 
895 	iwcard->wss->suspend(iwcard->wss);
896 	return snd_gus_suspend(iwcard->gus);
897 }
898 
899 static int snd_interwave_card_resume(struct snd_card *card)
900 {
901 	struct snd_interwave *iwcard = card->private_data;
902 	int err;
903 
904 	err = snd_gus_resume(iwcard->gus);
905 	if (err < 0)
906 		return err;
907 
908 	snd_interwave_restore_regs(iwcard->gus);
909 	snd_interwave_restore_memory(iwcard->gus);
910 	iwcard->wss->resume(iwcard->wss);
911 #ifdef SNDRV_STB
912 	if (iwcard->i2c_bus) {
913 		err = snd_tea6330t_restore_mixer(iwcard->i2c_bus);
914 		if (err < 0)
915 			dev_warn(card->dev,
916 				 "failed to restore TEA6330T mixer state: %d\n",
917 				 err);
918 	}
919 #endif
920 
921 	return 0;
922 }
923 
924 static int snd_interwave_isa_suspend(struct device *pdev, unsigned int dev,
925 				     pm_message_t state)
926 {
927 	return snd_interwave_card_suspend(dev_get_drvdata(pdev));
928 }
929 
930 static int snd_interwave_isa_resume(struct device *pdev, unsigned int dev)
931 {
932 	return snd_interwave_card_resume(dev_get_drvdata(pdev));
933 }
934 #endif
935 
936 static struct isa_driver snd_interwave_driver = {
937 	.match		= snd_interwave_isa_match,
938 	.probe		= snd_interwave_isa_probe,
939 #ifdef CONFIG_PM
940 	.suspend	= snd_interwave_isa_suspend,
941 	.resume		= snd_interwave_isa_resume,
942 #endif
943 	.driver		= {
944 		.name	= INTERWAVE_DRIVER
945 	},
946 };
947 
948 #ifdef CONFIG_PNP
949 static int snd_interwave_pnp_detect(struct pnp_card_link *pcard,
950 				    const struct pnp_card_device_id *pid)
951 {
952 	static int dev;
953 	struct snd_card *card;
954 	struct snd_gus_card *gus;
955 	int res;
956 
957 	for ( ; dev < SNDRV_CARDS; dev++) {
958 		if (enable[dev] && isapnp[dev])
959 			break;
960 	}
961 	if (dev >= SNDRV_CARDS)
962 		return -ENODEV;
963 
964 	res = snd_interwave_card_new(&pcard->card->dev, dev, &card);
965 	if (res < 0)
966 		return res;
967 
968 	res = snd_interwave_pnp(dev, card->private_data, pcard, pid);
969 	if (res < 0)
970 		return res;
971 	res = snd_interwave_probe_gus(card, dev, &gus);
972 	if (res < 0)
973 		return res;
974 	res = snd_interwave_probe(card, dev, gus);
975 	if (res < 0)
976 		return res;
977 	pnp_set_card_drvdata(pcard, card);
978 	dev++;
979 	return 0;
980 }
981 
982 #ifdef CONFIG_PM
983 static int snd_interwave_pnpc_suspend(struct pnp_card_link *pcard,
984 				      pm_message_t state)
985 {
986 	return snd_interwave_card_suspend(pnp_get_card_drvdata(pcard));
987 }
988 
989 static int snd_interwave_pnpc_resume(struct pnp_card_link *pcard)
990 {
991 	return snd_interwave_card_resume(pnp_get_card_drvdata(pcard));
992 }
993 #endif
994 
995 static struct pnp_card_driver interwave_pnpc_driver = {
996 	.flags = PNP_DRIVER_RES_DISABLE,
997 	.name = INTERWAVE_PNP_DRIVER,
998 	.id_table = snd_interwave_pnpids,
999 	.probe = snd_interwave_pnp_detect,
1000 #ifdef CONFIG_PM
1001 	.suspend	= snd_interwave_pnpc_suspend,
1002 	.resume		= snd_interwave_pnpc_resume,
1003 #endif
1004 };
1005 
1006 #endif /* CONFIG_PNP */
1007 
1008 static int __init alsa_card_interwave_init(void)
1009 {
1010 	int err;
1011 
1012 	err = isa_register_driver(&snd_interwave_driver, SNDRV_CARDS);
1013 #ifdef CONFIG_PNP
1014 	if (!err)
1015 		isa_registered = 1;
1016 
1017 	err = pnp_register_card_driver(&interwave_pnpc_driver);
1018 	if (!err)
1019 		pnp_registered = 1;
1020 
1021 	if (isa_registered)
1022 		err = 0;
1023 #endif
1024 	return err;
1025 }
1026 
1027 static void __exit alsa_card_interwave_exit(void)
1028 {
1029 #ifdef CONFIG_PNP
1030 	if (pnp_registered)
1031 		pnp_unregister_card_driver(&interwave_pnpc_driver);
1032 	if (isa_registered)
1033 #endif
1034 		isa_unregister_driver(&snd_interwave_driver);
1035 }
1036 
1037 module_init(alsa_card_interwave_init)
1038 module_exit(alsa_card_interwave_exit)
1039