1 // SPDX-License-Identifier: GPL-2.0-only
15  * Now at least i can play Legacy DOOM with MIDI music :-)
20 #include <linux/pci.h>
24 #include <linux/dma-mapping.h>
31 static int pcifix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 255 };
40 MODULE_PARM_DESC(pcifix, "Enable VIA-workaround for " CARD_NAME " soundcard.");
44 MODULE_DEVICE_TABLE(pci, snd_vortex_ids);
51 		dev_info(&vortex->dev, "vortex latency is 0xff\n");  in vortex_fix_latency()
53 		dev_warn(&vortex->dev,  in vortex_fix_latency()
54 			 "could not set vortex latency: pci error 0x%x\n", rc);  in vortex_fix_latency()
64 	 * only set the bit (Extend PCI#2 Internal Master for  in vortex_fix_agp_bridge()
75 		dev_info(&via->dev, "bridge config is 0x%x\n", value | 0x10);  in vortex_fix_agp_bridge()
77 		dev_warn(&via->dev,  in vortex_fix_agp_bridge()
78 			 "could not set vortex latency: pci error 0x%x\n", rc);  in vortex_fix_agp_bridge()
101 			dev_info(&vortex->dev,  in snd_vortex_workaround()
124 // component-destructor
128 	vortex_t *vortex = card->private_data;  in snd_vortex_free()
134 // chip-specific constructor
137 snd_vortex_create(struct snd_card *card, struct pci_dev *pci)  in snd_vortex_create()  argument
139 	vortex_t *chip = card->private_data;  in snd_vortex_create()
142 	// check PCI availability (DMA).  in snd_vortex_create()
143 	err = pcim_enable_device(pci);  in snd_vortex_create()
146 	if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32))) {  in snd_vortex_create()
147 		dev_err(card->dev, "error to set DMA mask\n");  in snd_vortex_create()
148 		return -ENXIO;  in snd_vortex_create()
151 	chip->card = card;  in snd_vortex_create()
154 	chip->pci_dev = pci;  in snd_vortex_create()
155 	chip->vendor = pci->vendor;  in snd_vortex_create()
156 	chip->device = pci->device;  in snd_vortex_create()
157 	chip->card = card;  in snd_vortex_create()
158 	chip->irq = -1;  in snd_vortex_create()
160 	// (1) PCI resource allocation  in snd_vortex_create()
163 	chip->mmio = pcim_iomap_region(pci, 0, KBUILD_MODNAME);  in snd_vortex_create()
164 	if (IS_ERR(chip->mmio))  in snd_vortex_create()
165 		return PTR_ERR(chip->mmio);  in snd_vortex_create()
167 	chip->io = pci_resource_start(pci, 0);  in snd_vortex_create()
174 		dev_err(card->dev, "hw core init failed\n");  in snd_vortex_create()
178 	err = devm_request_irq(&pci->dev, pci->irq, vortex_interrupt,  in snd_vortex_create()
181 		dev_err(card->dev, "cannot grab irq\n");  in snd_vortex_create()
184 	chip->irq = pci->irq;  in snd_vortex_create()
185 	card->sync_irq = chip->irq;  in snd_vortex_create()
186 	card->private_free = snd_vortex_free;  in snd_vortex_create()
188 	pci_set_master(pci);  in snd_vortex_create()
189 	// End of PCI setup.  in snd_vortex_create()
193 // constructor -- see "Constructor" sub-section
195 __snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)  in __snd_vortex_probe()  argument
197 	static int dev;  in __snd_vortex_probe()  local
203 	if (dev >= SNDRV_CARDS)  in __snd_vortex_probe()
204 		return -ENODEV;  in __snd_vortex_probe()
205 	if (!enable[dev]) {  in __snd_vortex_probe()
206 		dev++;  in __snd_vortex_probe()
207 		return -ENOENT;  in __snd_vortex_probe()
210 	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,  in __snd_vortex_probe()
214 	chip = card->private_data;  in __snd_vortex_probe()
217 	err = snd_vortex_create(card, pci);  in __snd_vortex_probe()
220 	snd_vortex_workaround(pci, pcifix[dev]);  in __snd_vortex_probe()
223 	strscpy(card->driver, CARD_NAME_SHORT);  in __snd_vortex_probe()
224 	sprintf(card->shortname, "Aureal Vortex %s", CARD_NAME_SHORT);  in __snd_vortex_probe()
225 	sprintf(card->longname, "%s at 0x%lx irq %i",  in __snd_vortex_probe()
226 		card->shortname, chip->io, chip->irq);  in __snd_vortex_probe()
268 		dev_err(card->dev, "Can't initialize Aureal wavetable synth\n");  in __snd_vortex_probe()
273 		strscpy(wave->name, "Aureal Synth");  in __snd_vortex_probe()
274 		arg->hwptr = vortex;  in __snd_vortex_probe()
275 		arg->index = 1;  in __snd_vortex_probe()
276 		arg->seq_ports = seq_ports[dev];  in __snd_vortex_probe()
277 		arg->max_voices = max_synth_voices[dev];  in __snd_vortex_probe()
282 	err = pci_read_config_word(pci, PCI_DEVICE_ID, &chip->device);  in __snd_vortex_probe()
285 	err = pci_read_config_word(pci, PCI_VENDOR_ID, &chip->vendor);  in __snd_vortex_probe()
288 	chip->rev = pci->revision;  in __snd_vortex_probe()
290 	if ((chip->rev) != 0xfe && (chip->rev) != 0xfa) {  in __snd_vortex_probe()
291 		dev_alert(card->dev,  in __snd_vortex_probe()
293 		       chip->rev);  in __snd_vortex_probe()
294 		dev_alert(card->dev,  in __snd_vortex_probe()
295 			  "Please email the results of 'lspci -vv' to openvortex-dev@nongnu.org.\n");  in __snd_vortex_probe()
296 		return -ENODEV;  in __snd_vortex_probe()
305 	pci_set_drvdata(pci, card);  in __snd_vortex_probe()
306 	dev++;  in __snd_vortex_probe()
313 snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)  in snd_vortex_probe()  argument
315 	return snd_card_free_on_error(&pci->dev, __snd_vortex_probe(pci, pci_id));  in snd_vortex_probe()