1 // SPDX-License-Identifier: GPL-2.0-or-later
4  *                   Uros Bizjak <uros@kss-loka.si>
34 	dev_dbg(chip->card->dev, "command 0x%x\n", val);  in snd_sbdsp_command()
36 	for (i = BUSY_LOOPS; i; i--)  in snd_sbdsp_command()
41 	dev_dbg(chip->card->dev, "%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()
53 			dev_dbg(chip->card->dev, "get_byte 0x%x\n", val);  in snd_sbdsp_get_byte()
58 	dev_dbg(chip->card->dev, "%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 	if (chip->card)  in snd_sbdsp_reset()
78 		dev_dbg(chip->card->dev, "%s [0x%lx] failed...\n", __func__, chip->port);  in snd_sbdsp_reset()
79 	return -ENODEV;  in snd_sbdsp_reset()
94 	int version;  in snd_sbdsp_probe()  local
95 	int major, minor;  in snd_sbdsp_probe()  local
103 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_sbdsp_probe()
105 		spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sbdsp_probe()
106 		return -ENODEV;  in snd_sbdsp_probe()
108 	version = snd_sbdsp_version(chip);  in snd_sbdsp_probe()
109 	if (version < 0) {  in snd_sbdsp_probe()
110 		spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sbdsp_probe()
111 		return -ENODEV;  in snd_sbdsp_probe()
113 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sbdsp_probe()
114 	major = version >> 8;  in snd_sbdsp_probe()
115 	minor = version & 0xff;  in snd_sbdsp_probe()
116 	dev_dbg(chip->card->dev, "SB [0x%lx]: DSP chip found, version = %i.%i\n",  in snd_sbdsp_probe()
117 		chip->port, major, minor);  in snd_sbdsp_probe()
119 	switch (chip->hardware) {  in snd_sbdsp_probe()
123 			chip->hardware = SB_HW_10;  in snd_sbdsp_probe()
127 			if (minor) {  in snd_sbdsp_probe()
128 				chip->hardware = SB_HW_201;  in snd_sbdsp_probe()
131 				chip->hardware = SB_HW_20;  in snd_sbdsp_probe()
136 			chip->hardware = SB_HW_PRO;  in snd_sbdsp_probe()
140 			chip->hardware = SB_HW_16;  in snd_sbdsp_probe()
144 			dev_info(chip->card->dev, "SB [0x%lx]: unknown DSP chip version %i.%i\n",  in snd_sbdsp_probe()
145 				 chip->port, major, minor);  in snd_sbdsp_probe()
146 			return -ENODEV;  in snd_sbdsp_probe()
150 		str = "16 (ALS-100)";  in snd_sbdsp_probe()
153 		str = "16 (ALS-4000)";  in snd_sbdsp_probe()
165 		return -ENODEV;  in snd_sbdsp_probe()
167 	sprintf(chip->name, "Sound Blaster %s", str);  in snd_sbdsp_probe()
168 	chip->version = (major << 8) | minor;  in snd_sbdsp_probe()
185 		return -EINVAL;  in snd_sbdsp_create()
187 	chip = devm_kzalloc(card->dev, sizeof(*chip), GFP_KERNEL);  in snd_sbdsp_create()
189 		return -ENOMEM;  in snd_sbdsp_create()
190 	spin_lock_init(&chip->reg_lock);  in snd_sbdsp_create()
191 	spin_lock_init(&chip->open_lock);  in snd_sbdsp_create()
192 	spin_lock_init(&chip->midi_input_lock);  in snd_sbdsp_create()
193 	spin_lock_init(&chip->mixer_lock);  in snd_sbdsp_create()
194 	chip->irq = -1;  in snd_sbdsp_create()
195 	chip->dma8 = -1;  in snd_sbdsp_create()
196 	chip->dma16 = -1;  in snd_sbdsp_create()
197 	chip->port = port;  in snd_sbdsp_create()
199 	if (devm_request_irq(card->dev, irq, irq_handler,  in snd_sbdsp_create()
204 		dev_err(card->dev, "sb: can't grab irq %d\n", irq);  in snd_sbdsp_create()
205 		return -EBUSY;  in snd_sbdsp_create()
207 	chip->irq = irq;  in snd_sbdsp_create()
208 	card->sync_irq = chip->irq;  in snd_sbdsp_create()
213 	chip->res_port = devm_request_region(card->dev, port, 16,  in snd_sbdsp_create()
215 	if (!chip->res_port) {  in snd_sbdsp_create()
216 		dev_err(card->dev, "sb: can't grab port 0x%lx\n", port);  in snd_sbdsp_create()
217 		return -EBUSY;  in snd_sbdsp_create()
221 	if (dma8 >= 0 && snd_devm_request_dma(card->dev, dma8,  in snd_sbdsp_create()
222 					      "SoundBlaster - 8bit")) {  in snd_sbdsp_create()
223 		dev_err(card->dev, "sb: can't grab DMA8 %d\n", dma8);  in snd_sbdsp_create()
224 		return -EBUSY;  in snd_sbdsp_create()
226 	chip->dma8 = dma8;  in snd_sbdsp_create()
230 			dma16 = -1;  in snd_sbdsp_create()
231 		} else if (snd_devm_request_dma(card->dev, dma16,  in snd_sbdsp_create()
232 						"SoundBlaster - 16bit")) {  in snd_sbdsp_create()
233 			dev_err(card->dev, "sb: can't grab DMA16 %d\n", dma16);  in snd_sbdsp_create()
234 			return -EBUSY;  in snd_sbdsp_create()
237 	chip->dma16 = dma16;  in snd_sbdsp_create()
241 	chip->card = card;  in snd_sbdsp_create()
242 	chip->hardware = hardware;  in snd_sbdsp_create()