1 // SPDX-License-Identifier: GPL-2.0-or-later
4  *                   Uros Bizjak <uros@kss-loka.si>
36 	for (i = BUSY_LOOPS; i; i--)  in snd_sbdsp_command()
41 	snd_printd("%s [0x%lx]: timeout (0x%x)\n", __func__, chip->port, val);  in snd_sbdsp_command()
49 	for (i = BUSY_LOOPS; i; i--) {  in snd_sbdsp_get_byte()
58 	snd_printd("%s [0x%lx]: timeout\n", __func__, chip->port);  in snd_sbdsp_get_byte()
59 	return -ENODEV;  in snd_sbdsp_get_byte()
70 	for (i = BUSY_LOOPS; i; i--)  in snd_sbdsp_reset()
77 	snd_printdd("%s [0x%lx] failed...\n", __func__, chip->port);  in snd_sbdsp_reset()
78 	return -ENODEV;  in snd_sbdsp_reset()
93 	int version;  in snd_sbdsp_probe()  local
94 	int major, minor;  in snd_sbdsp_probe()  local
102 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_sbdsp_probe()
104 		spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sbdsp_probe()
105 		return -ENODEV;  in snd_sbdsp_probe()
107 	version = snd_sbdsp_version(chip);  in snd_sbdsp_probe()
108 	if (version < 0) {  in snd_sbdsp_probe()
109 		spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sbdsp_probe()
110 		return -ENODEV;  in snd_sbdsp_probe()
112 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sbdsp_probe()
113 	major = version >> 8;  in snd_sbdsp_probe()
114 	minor = version & 0xff;  in snd_sbdsp_probe()
115 	snd_printdd("SB [0x%lx]: DSP chip found, version = %i.%i\n",  in snd_sbdsp_probe()
116 		    chip->port, major, minor);  in snd_sbdsp_probe()
118 	switch (chip->hardware) {  in snd_sbdsp_probe()
120 		switch (major) {  in snd_sbdsp_probe()
122 			chip->hardware = SB_HW_10;  in snd_sbdsp_probe()
127 				chip->hardware = SB_HW_201;  in snd_sbdsp_probe()
130 				chip->hardware = SB_HW_20;  in snd_sbdsp_probe()
135 			chip->hardware = SB_HW_PRO;  in snd_sbdsp_probe()
139 			chip->hardware = SB_HW_16;  in snd_sbdsp_probe()
143 			snd_printk(KERN_INFO "SB [0x%lx]: unknown DSP chip version %i.%i\n",  in snd_sbdsp_probe()
144 				   chip->port, major, minor);  in snd_sbdsp_probe()
145 			return -ENODEV;  in snd_sbdsp_probe()
149 		str = "16 (ALS-100)";  in snd_sbdsp_probe()
152 		str = "16 (ALS-4000)";  in snd_sbdsp_probe()
164 		return -ENODEV;  in snd_sbdsp_probe()
166 	sprintf(chip->name, "Sound Blaster %s", str);  in snd_sbdsp_probe()
167 	chip->version = (major << 8) | minor;  in snd_sbdsp_probe()
184 		return -EINVAL;  in snd_sbdsp_create()
186 	chip = devm_kzalloc(card->dev, sizeof(*chip), GFP_KERNEL);  in snd_sbdsp_create()
188 		return -ENOMEM;  in snd_sbdsp_create()
189 	spin_lock_init(&chip->reg_lock);  in snd_sbdsp_create()
190 	spin_lock_init(&chip->open_lock);  in snd_sbdsp_create()
191 	spin_lock_init(&chip->midi_input_lock);  in snd_sbdsp_create()
192 	spin_lock_init(&chip->mixer_lock);  in snd_sbdsp_create()
193 	chip->irq = -1;  in snd_sbdsp_create()
194 	chip->dma8 = -1;  in snd_sbdsp_create()
195 	chip->dma16 = -1;  in snd_sbdsp_create()
196 	chip->port = port;  in snd_sbdsp_create()
198 	if (devm_request_irq(card->dev, irq, irq_handler,  in snd_sbdsp_create()
204 		return -EBUSY;  in snd_sbdsp_create()
206 	chip->irq = irq;  in snd_sbdsp_create()
207 	card->sync_irq = chip->irq;  in snd_sbdsp_create()
212 	chip->res_port = devm_request_region(card->dev, port, 16,  in snd_sbdsp_create()
214 	if (!chip->res_port) {  in snd_sbdsp_create()
216 		return -EBUSY;  in snd_sbdsp_create()
220 	if (dma8 >= 0 && snd_devm_request_dma(card->dev, dma8,  in snd_sbdsp_create()
221 					      "SoundBlaster - 8bit")) {  in snd_sbdsp_create()
223 		return -EBUSY;  in snd_sbdsp_create()
225 	chip->dma8 = dma8;  in snd_sbdsp_create()
229 			dma16 = -1;  in snd_sbdsp_create()
230 		} else if (snd_devm_request_dma(card->dev, dma16,  in snd_sbdsp_create()
231 						"SoundBlaster - 16bit")) {  in snd_sbdsp_create()
233 			return -EBUSY;  in snd_sbdsp_create()
236 	chip->dma16 = dma16;  in snd_sbdsp_create()
240 	chip->card = card;  in snd_sbdsp_create()
241 	chip->hardware = hardware;  in snd_sbdsp_create()