1 // SPDX-License-Identifier: GPL-2.0-or-later
13 #include <asm/dma.h>
31 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
35 static long gf1_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x210,0x220,0x230,0x240,0x…
36 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x300,0x310,0x320 */
42 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
43 				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
44 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
45 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
58 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
62 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
65 module_param_hw_array(dma8, int, dma, NULL, 0444);
66 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
67 module_param_hw_array(dma1, int, dma, NULL, 0444);
68 MODULE_PARM_DESC(dma1, "GF1 DMA # for " CRD_NAME " driver.");
70 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " dri…
86 	static const int possible_irqs[] = {5, 9, 10, 7, -1};  in snd_gusextreme_es1688_create()
87 	static const int possible_dmas[] = {1, 3, 0, -1};  in snd_gusextreme_es1688_create()
95 			return -EBUSY;  in snd_gusextreme_es1688_create()
101 			dev_err(dev, "unable to find a free DMA for ES1688\n");  in snd_gusextreme_es1688_create()
102 			return -EBUSY;  in snd_gusextreme_es1688_create()
124 	static const int possible_irqs[] = {11, 12, 15, 9, 5, 7, 3, -1};  in snd_gusextreme_gus_card_create()
125 	static const int possible_dmas[] = {5, 6, 7, 3, 1, -1};  in snd_gusextreme_gus_card_create()
131 			return -EBUSY;  in snd_gusextreme_gus_card_create()
137 			dev_err(dev, "unable to find a free DMA for GF1\n");  in snd_gusextreme_gus_card_create()
138 			return -EBUSY;  in snd_gusextreme_gus_card_create()
141 	return snd_gus_create(card, gf1_port[n], gf1_irq[n], dma1[n], -1,  in snd_gusextreme_gus_card_create()
152 	 * This is main stuff - enable access to GF1 chip...  in snd_gusextreme_detect()
156          * I used reverse-engineering in DOSEMU. [--jk]  in snd_gusextreme_detect()
165 	spin_lock_irqsave(&es1688->mixer_lock, flags);  in snd_gusextreme_detect()
167 	spin_unlock_irqrestore(&es1688->mixer_lock, flags);  in snd_gusextreme_detect()
169 	spin_lock_irqsave(&es1688->reg_lock, flags);  in snd_gusextreme_detect()
170 	outb(gus->gf1.port & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));  in snd_gusextreme_detect()
172 	outb(gus->gf1.port & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));  in snd_gusextreme_detect()
174 	outb(gus->gf1.port & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));  in snd_gusextreme_detect()
175 	spin_unlock_irqrestore(&es1688->reg_lock, flags);  in snd_gusextreme_detect()
182 		dev_dbg(gus->card->dev, "[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);  in snd_gusextreme_detect()
183 		return -EIO;  in snd_gusextreme_detect()
190 		dev_dbg(gus->card->dev, "[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);  in snd_gusextreme_detect()
191 		return -EIO;  in snd_gusextreme_detect()
207 	strcpy(id1.name, "Aux Playback Volume");  in snd_gusextreme_mixer()
208 	strcpy(id2.name, "Synth Playback Volume");  in snd_gusextreme_mixer()
213 	/* reassign Master Playback Switch to Synth Playback Switch */  in snd_gusextreme_mixer()
214 	strcpy(id1.name, "Master Playback Switch");  in snd_gusextreme_mixer()
215 	strcpy(id2.name, "Synth Playback Switch");  in snd_gusextreme_mixer()
236 	es1688 = card->private_data;  in snd_gusextreme_probe()
242 		mpu_irq[n] = -1;  in snd_gusextreme_probe()
249 		gf1_port[n] = es1688->port + 0x20;  in snd_gusextreme_probe()
259 	gus->joystick_dac = joystick_dac[n];  in snd_gusextreme_probe()
265 	error = -ENODEV;  in snd_gusextreme_probe()
266 	if (!gus->ess_flag) {  in snd_gusextreme_probe()
268 			"detected at 0x%lx\n", gus->gf1.port);  in snd_gusextreme_probe()
271 	gus->codec_flag = 1;  in snd_gusextreme_probe()
297 	if (snd_opl3_create(card, es1688->port, es1688->port + 2,  in snd_gusextreme_probe()
299 		dev_warn(dev, "opl3 not detected at 0x%lx\n", es1688->port);  in snd_gusextreme_probe()
306 	if (es1688->mpu_port >= 0x300) {  in snd_gusextreme_probe()
308 				es1688->mpu_port, 0, mpu_irq[n], NULL);  in snd_gusextreme_probe()
313 	sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, "  in snd_gusextreme_probe()
314 		"irq %i&%i, dma %i&%i", es1688->port,  in snd_gusextreme_probe()
315 		gus->gf1.irq, es1688->irq, gus->gf1.dma1, es1688->dma8);  in snd_gusextreme_probe()