1 // SPDX-License-Identifier: GPL-2.0-or-later
26 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
33 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
34 				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
35 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};  variable
36 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
53 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver."…
54 module_param_array(channels, int, NULL, 0444);
55 MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
57 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
76 		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);  in snd_gusmax_detect()
77 		return -ENODEV;  in snd_gusmax_detect()
83 		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);  in snd_gusmax_detect()
84 		return -ENODEV;  in snd_gusmax_detect()
98 		if (inb(maxcard->gus_status_reg)) {  in snd_gusmax_interrupt()
100 			snd_gus_interrupt(irq, maxcard->gus);  in snd_gusmax_interrupt()
103 		if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */  in snd_gusmax_interrupt()
105 			snd_wss_interrupt(irq, maxcard->wss);  in snd_gusmax_interrupt()
108 	} while (loop && --max > 0);  in snd_gusmax_interrupt()
115 	gus->equal_irq = 1;  in snd_gusmax_init()
116 	gus->codec_flag = 1;  in snd_gusmax_init()
117 	gus->joystick_dac = joystick_dac[dev];  in snd_gusmax_init()
119 	gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;  in snd_gusmax_init()
120 	if (gus->gf1.dma1 > 3)  in snd_gusmax_init()
121 		gus->max_cntrl_val |= 0x10;  in snd_gusmax_init()
122 	if (gus->gf1.dma2 > 3)  in snd_gusmax_init()
123 		gus->max_cntrl_val |= 0x20;  in snd_gusmax_init()
124 	gus->max_cntrl_val |= 0x40;  in snd_gusmax_init()
125 	outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));  in snd_gusmax_init()
130 	struct snd_card *card = chip->card;  in snd_gusmax_mixer()
138 	strcpy(id1.name, "Aux Playback Switch");  in snd_gusmax_mixer()
139 	strcpy(id2.name, "Synth Playback Switch");  in snd_gusmax_mixer()
142 	strcpy(id1.name, "Aux Playback Volume");  in snd_gusmax_mixer()
143 	strcpy(id2.name, "Synth Playback Volume");  in snd_gusmax_mixer()
147 	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;  in snd_gusmax_mixer()
148 	strcpy(id2.name, "CD Playback Switch");  in snd_gusmax_mixer()
151 	strcpy(id1.name, "Aux Playback Volume");  in snd_gusmax_mixer()
152 	strcpy(id2.name, "CD Playback Volume");  in snd_gusmax_mixer()
179 	struct snd_gusmax *maxcard = card->private_data;  in snd_gusmax_free()
183 	if (maxcard->irq >= 0)  in snd_gusmax_free()
184 		free_irq(maxcard->irq, (void *)maxcard);  in snd_gusmax_free()
194 	static const int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};  in snd_gusmax_probe()
195 	static const int possible_dmas[] = {5, 6, 7, 1, 3, -1};  in snd_gusmax_probe()
206 	card->private_free = snd_gusmax_free;  in snd_gusmax_probe()
207 	maxcard = card->private_data;  in snd_gusmax_probe()
208 	maxcard->card = card;  in snd_gusmax_probe()
209 	maxcard->irq = -1;  in snd_gusmax_probe()
215 			err = -EBUSY;  in snd_gusmax_probe()
223 			err = -EBUSY;  in snd_gusmax_probe()
231 			err = -EBUSY;  in snd_gusmax_probe()
239 				     -xirq, xdma1, xdma2,  in snd_gusmax_probe()
240 				     0, channels[dev],  in snd_gusmax_probe()
251 					     -xirq, xdma1, xdma2,  in snd_gusmax_probe()
252 					     0, channels[dev],  in snd_gusmax_probe()
267 	maxcard->gus_status_reg = gus->gf1.reg_irqstat;  in snd_gusmax_probe()
268 	maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;  in snd_gusmax_probe()
273 	if (!gus->max_flag) {  in snd_gusmax_probe()
274 		snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);  in snd_gusmax_probe()
275 		err = -ENODEV;  in snd_gusmax_probe()
281 		err = -EBUSY;  in snd_gusmax_probe()
284 	maxcard->irq = xirq;  in snd_gusmax_probe()
285 	card->sync_irq = maxcard->irq;  in snd_gusmax_probe()
288 			     gus->gf1.port + 0x10c, -1, xirq,  in snd_gusmax_probe()
322 …sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq,…  in snd_gusmax_probe()
324 		sprintf(card->longname + strlen(card->longname), "&%i", xdma2);  in snd_gusmax_probe()
330 	maxcard->gus = gus;  in snd_gusmax_probe()
331 	maxcard->wss = wss;  in snd_gusmax_probe()