xref: /openbmc/linux/sound/isa/gus/gusextreme.c (revision b830f94f)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Driver for Gravis UltraSound Extreme soundcards
4  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5  */
6 
7 #include <linux/init.h>
8 #include <linux/err.h>
9 #include <linux/isa.h>
10 #include <linux/delay.h>
11 #include <linux/time.h>
12 #include <linux/module.h>
13 #include <asm/dma.h>
14 #include <sound/core.h>
15 #include <sound/gus.h>
16 #include <sound/es1688.h>
17 #include <sound/mpu401.h>
18 #include <sound/opl3.h>
19 #define SNDRV_LEGACY_AUTO_PROBE
20 #define SNDRV_LEGACY_FIND_FREE_IRQ
21 #define SNDRV_LEGACY_FIND_FREE_DMA
22 #include <sound/initval.h>
23 
24 #define CRD_NAME "Gravis UltraSound Extreme"
25 #define DEV_NAME "gusextreme"
26 
27 MODULE_DESCRIPTION(CRD_NAME);
28 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
29 MODULE_LICENSE("GPL");
30 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Extreme}}");
31 
32 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
33 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
34 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
35 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */
36 static long gf1_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x210,0x220,0x230,0x240,0x250,0x260,0x270 */
37 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x300,0x310,0x320 */
38 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
39 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
40 static int gf1_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 2,3,5,9,11,12,15 */
41 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
42 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
43 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
44 				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
45 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
46 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
47 
48 module_param_array(index, int, NULL, 0444);
49 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
50 module_param_array(id, charp, NULL, 0444);
51 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
52 module_param_array(enable, bool, NULL, 0444);
53 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
54 module_param_hw_array(port, long, ioport, NULL, 0444);
55 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
56 module_param_hw_array(gf1_port, long, ioport, NULL, 0444);
57 MODULE_PARM_DESC(gf1_port, "GF1 port # for " CRD_NAME " driver (optional).");
58 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
59 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
60 module_param_hw_array(irq, int, irq, NULL, 0444);
61 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
62 module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
63 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
64 module_param_hw_array(gf1_irq, int, irq, NULL, 0444);
65 MODULE_PARM_DESC(gf1_irq, "GF1 IRQ # for " CRD_NAME " driver.");
66 module_param_hw_array(dma8, int, dma, NULL, 0444);
67 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
68 module_param_hw_array(dma1, int, dma, NULL, 0444);
69 MODULE_PARM_DESC(dma1, "GF1 DMA # for " CRD_NAME " driver.");
70 module_param_array(joystick_dac, int, NULL, 0444);
71 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
72 module_param_array(channels, int, NULL, 0444);
73 MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
74 module_param_array(pcm_channels, int, NULL, 0444);
75 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
76 
77 static int snd_gusextreme_match(struct device *dev, unsigned int n)
78 {
79 	return enable[n];
80 }
81 
82 static int snd_gusextreme_es1688_create(struct snd_card *card,
83 					struct snd_es1688 *chip,
84 					struct device *dev, unsigned int n)
85 {
86 	static long possible_ports[] = {0x220, 0x240, 0x260};
87 	static int possible_irqs[] = {5, 9, 10, 7, -1};
88 	static int possible_dmas[] = {1, 3, 0, -1};
89 
90 	int i, error;
91 
92 	if (irq[n] == SNDRV_AUTO_IRQ) {
93 		irq[n] = snd_legacy_find_free_irq(possible_irqs);
94 		if (irq[n] < 0) {
95 			dev_err(dev, "unable to find a free IRQ for ES1688\n");
96 			return -EBUSY;
97 		}
98 	}
99 	if (dma8[n] == SNDRV_AUTO_DMA) {
100 		dma8[n] = snd_legacy_find_free_dma(possible_dmas);
101 		if (dma8[n] < 0) {
102 			dev_err(dev, "unable to find a free DMA for ES1688\n");
103 			return -EBUSY;
104 		}
105 	}
106 
107 	if (port[n] != SNDRV_AUTO_PORT)
108 		return snd_es1688_create(card, chip, port[n], mpu_port[n],
109 				irq[n], mpu_irq[n], dma8[n], ES1688_HW_1688);
110 
111 	i = 0;
112 	do {
113 		port[n] = possible_ports[i];
114 		error = snd_es1688_create(card, chip, port[n], mpu_port[n],
115 				irq[n], mpu_irq[n], dma8[n], ES1688_HW_1688);
116 	} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
117 
118 	return error;
119 }
120 
121 static int snd_gusextreme_gus_card_create(struct snd_card *card,
122 					  struct device *dev, unsigned int n,
123 					  struct snd_gus_card **rgus)
124 {
125 	static int possible_irqs[] = {11, 12, 15, 9, 5, 7, 3, -1};
126 	static int possible_dmas[] = {5, 6, 7, 3, 1, -1};
127 
128 	if (gf1_irq[n] == SNDRV_AUTO_IRQ) {
129 		gf1_irq[n] = snd_legacy_find_free_irq(possible_irqs);
130 		if (gf1_irq[n] < 0) {
131 			dev_err(dev, "unable to find a free IRQ for GF1\n");
132 			return -EBUSY;
133 		}
134 	}
135 	if (dma1[n] == SNDRV_AUTO_DMA) {
136 		dma1[n] = snd_legacy_find_free_dma(possible_dmas);
137 		if (dma1[n] < 0) {
138 			dev_err(dev, "unable to find a free DMA for GF1\n");
139 			return -EBUSY;
140 		}
141 	}
142 	return snd_gus_create(card, gf1_port[n], gf1_irq[n], dma1[n], -1,
143 			0, channels[n], pcm_channels[n], 0, rgus);
144 }
145 
146 static int snd_gusextreme_detect(struct snd_gus_card *gus,
147 				 struct snd_es1688 *es1688)
148 {
149 	unsigned long flags;
150 	unsigned char d;
151 
152 	/*
153 	 * This is main stuff - enable access to GF1 chip...
154 	 * I'm not sure, if this will work for card which have
155 	 * ES1688 chip in another place than 0x220.
156          *
157          * I used reverse-engineering in DOSEMU. [--jk]
158 	 *
159 	 * ULTRINIT.EXE:
160 	 * 0x230 = 0,2,3
161 	 * 0x240 = 2,0,1
162 	 * 0x250 = 2,0,3
163 	 * 0x260 = 2,2,1
164 	 */
165 
166 	spin_lock_irqsave(&es1688->mixer_lock, flags);
167 	snd_es1688_mixer_write(es1688, 0x40, 0x0b);	/* don't change!!! */
168 	spin_unlock_irqrestore(&es1688->mixer_lock, flags);
169 
170 	spin_lock_irqsave(&es1688->reg_lock, flags);
171 	outb(gus->gf1.port & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));
172 	outb(0, 0x201);
173 	outb(gus->gf1.port & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));
174 	outb(0, 0x201);
175 	outb(gus->gf1.port & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));
176 	spin_unlock_irqrestore(&es1688->reg_lock, flags);
177 
178 	udelay(100);
179 
180 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */
181 	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
182 		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
183 		return -EIO;
184 	}
185 	udelay(160);
186 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
187 	udelay(160);
188 	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
189 		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
190 		return -EIO;
191 	}
192 
193 	return 0;
194 }
195 
196 static int snd_gusextreme_mixer(struct snd_card *card)
197 {
198 	struct snd_ctl_elem_id id1, id2;
199 	int error;
200 
201 	memset(&id1, 0, sizeof(id1));
202 	memset(&id2, 0, sizeof(id2));
203 	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
204 
205 	/* reassign AUX to SYNTHESIZER */
206 	strcpy(id1.name, "Aux Playback Volume");
207 	strcpy(id2.name, "Synth Playback Volume");
208 	error = snd_ctl_rename_id(card, &id1, &id2);
209 	if (error < 0)
210 		return error;
211 
212 	/* reassign Master Playback Switch to Synth Playback Switch */
213 	strcpy(id1.name, "Master Playback Switch");
214 	strcpy(id2.name, "Synth Playback Switch");
215 	error = snd_ctl_rename_id(card, &id1, &id2);
216 	if (error < 0)
217 		return error;
218 
219 	return 0;
220 }
221 
222 static int snd_gusextreme_probe(struct device *dev, unsigned int n)
223 {
224 	struct snd_card *card;
225 	struct snd_gus_card *gus;
226 	struct snd_es1688 *es1688;
227 	struct snd_opl3 *opl3;
228 	int error;
229 
230 	error = snd_card_new(dev, index[n], id[n], THIS_MODULE,
231 			     sizeof(struct snd_es1688), &card);
232 	if (error < 0)
233 		return error;
234 
235 	es1688 = card->private_data;
236 
237 	if (mpu_port[n] == SNDRV_AUTO_PORT)
238 		mpu_port[n] = 0;
239 
240 	if (mpu_irq[n] > 15)
241 		mpu_irq[n] = -1;
242 
243 	error = snd_gusextreme_es1688_create(card, es1688, dev, n);
244 	if (error < 0)
245 		goto out;
246 
247 	if (gf1_port[n] < 0)
248 		gf1_port[n] = es1688->port + 0x20;
249 
250 	error = snd_gusextreme_gus_card_create(card, dev, n, &gus);
251 	if (error < 0)
252 		goto out;
253 
254 	error = snd_gusextreme_detect(gus, es1688);
255 	if (error < 0)
256 		goto out;
257 
258 	gus->joystick_dac = joystick_dac[n];
259 
260 	error = snd_gus_initialize(gus);
261 	if (error < 0)
262 		goto out;
263 
264 	error = -ENODEV;
265 	if (!gus->ess_flag) {
266 		dev_err(dev, "GUS Extreme soundcard was not "
267 			"detected at 0x%lx\n", gus->gf1.port);
268 		goto out;
269 	}
270 	gus->codec_flag = 1;
271 
272 	error = snd_es1688_pcm(card, es1688, 0);
273 	if (error < 0)
274 		goto out;
275 
276 	error = snd_es1688_mixer(card, es1688);
277 	if (error < 0)
278 		goto out;
279 
280 	snd_component_add(card, "ES1688");
281 
282 	if (pcm_channels[n] > 0) {
283 		error = snd_gf1_pcm_new(gus, 1, 1);
284 		if (error < 0)
285 			goto out;
286 	}
287 
288 	error = snd_gf1_new_mixer(gus);
289 	if (error < 0)
290 		goto out;
291 
292 	error = snd_gusextreme_mixer(card);
293 	if (error < 0)
294 		goto out;
295 
296 	if (snd_opl3_create(card, es1688->port, es1688->port + 2,
297 			OPL3_HW_OPL3, 0, &opl3) < 0)
298 		dev_warn(dev, "opl3 not detected at 0x%lx\n", es1688->port);
299 	else {
300 		error = snd_opl3_hwdep_new(opl3, 0, 2, NULL);
301 		if (error < 0)
302 			goto out;
303 	}
304 
305 	if (es1688->mpu_port >= 0x300) {
306 		error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
307 				es1688->mpu_port, 0, mpu_irq[n], NULL);
308 		if (error < 0)
309 			goto out;
310 	}
311 
312 	sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, "
313 		"irq %i&%i, dma %i&%i", es1688->port,
314 		gus->gf1.irq, es1688->irq, gus->gf1.dma1, es1688->dma8);
315 
316 	error = snd_card_register(card);
317 	if (error < 0)
318 		goto out;
319 
320 	dev_set_drvdata(dev, card);
321 	return 0;
322 
323 out:	snd_card_free(card);
324 	return error;
325 }
326 
327 static int snd_gusextreme_remove(struct device *dev, unsigned int n)
328 {
329 	snd_card_free(dev_get_drvdata(dev));
330 	return 0;
331 }
332 
333 static struct isa_driver snd_gusextreme_driver = {
334 	.match		= snd_gusextreme_match,
335 	.probe		= snd_gusextreme_probe,
336 	.remove		= snd_gusextreme_remove,
337 #if 0	/* FIXME */
338 	.suspend	= snd_gusextreme_suspend,
339 	.resume		= snd_gusextreme_resume,
340 #endif
341 	.driver		= {
342 		.name	= DEV_NAME
343 	}
344 };
345 
346 module_isa_driver(snd_gusextreme_driver, SNDRV_CARDS);
347