emu10k1.c

  1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 *  The driver for the EMU10K1 (SB Live!) based soundcards
  4 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  5 *                   James Courtier-Dutton <James@superbug.co.uk>
  6 */
  7
  8#include <linux/init.h>
  9#include <linux/pci.h>
 10#include <linux/string.h>
 11#include <linux/time.h>
 12#include <linux/module.h>
 13#include <sound/core.h>
 14#include <sound/emu10k1.h>
 15#include <sound/initval.h>
 16
 17MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 18MODULE_DESCRIPTION("EMU10K1");
 19MODULE_LICENSE("GPL");
 20
 21#if IS_ENABLED(CONFIG_SND_SEQUENCER)
 22#define ENABLE_SYNTH
 23#include <sound/emu10k1_synth.h>
 24#endif
 25
 26static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 27static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 28static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
 29static int extin[SNDRV_CARDS];
 30static int extout[SNDRV_CARDS];
 31static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
 32static int max_synth_voices[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 64};
 33static int max_buffer_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 128};
 34static bool enable_ir[SNDRV_CARDS];
 35static uint subsystem[SNDRV_CARDS]; /* Force card subsystem model */
 36
 37module_param_array(index, int, NULL, 0444);
 38MODULE_PARM_DESC(index, "Index value for the EMU10K1 soundcard.");
 39module_param_array(id, charp, NULL, 0444);
 40MODULE_PARM_DESC(id, "ID string for the EMU10K1 soundcard.");
 41module_param_array(enable, bool, NULL, 0444);
 42MODULE_PARM_DESC(enable, "Enable the EMU10K1 soundcard.");
 43module_param_array(extin, int, NULL, 0444);
 44MODULE_PARM_DESC(extin, "Available external inputs for FX8010. Zero=default.");
 45module_param_array(extout, int, NULL, 0444);
 46MODULE_PARM_DESC(extout, "Available external outputs for FX8010. Zero=default.");
 47module_param_array(seq_ports, int, NULL, 0444);
 48MODULE_PARM_DESC(seq_ports, "Allocated sequencer ports for internal synthesizer.");
 49module_param_array(max_synth_voices, int, NULL, 0444);
 50MODULE_PARM_DESC(max_synth_voices, "Maximum number of voices for WaveTable.");
 51module_param_array(max_buffer_size, int, NULL, 0444);
 52MODULE_PARM_DESC(max_buffer_size, "Maximum sample buffer size in MB.");
 53module_param_array(enable_ir, bool, NULL, 0444);
 54MODULE_PARM_DESC(enable_ir, "Enable IR.");
 55module_param_array(subsystem, uint, NULL, 0444);
 56MODULE_PARM_DESC(subsystem, "Force card subsystem model.");
 57/*
 58 * Class 0401: 1102:0008 (rev 00) Subsystem: 1102:1001 -> Audigy2 Value  Model:SB0400
 59 */
 60static const struct pci_device_id snd_emu10k1_ids[] = {
 61	{ PCI_VDEVICE(CREATIVE, 0x0002), 0 },	/* EMU10K1 */
 62	{ PCI_VDEVICE(CREATIVE, 0x0004), 1 },	/* Audigy */
 63	{ PCI_VDEVICE(CREATIVE, 0x0008), 1 },	/* Audigy 2 Value SB0400 */
 64	{ 0, }
 65};
 66
 67MODULE_DEVICE_TABLE(pci, snd_emu10k1_ids);
 68
 69static int snd_card_emu10k1_probe(struct pci_dev *pci,
 70				  const struct pci_device_id *pci_id)
 71{
 72	static int dev;
 73	struct snd_card *card;
 74	struct snd_emu10k1 *emu;
 75#ifdef ENABLE_SYNTH
 76	struct snd_seq_device *wave = NULL;
 77#endif
 78	int err;
 79
 80	if (dev >= SNDRV_CARDS)
 81        	return -ENODEV;
 82	if (!enable[dev]) {
 83		dev++;
 84		return -ENOENT;
 85	}
 86
 87	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
 88				sizeof(*emu), &card);
 89	if (err < 0)
 90		return err;
 91	emu = card->private_data;
 92
 93	if (max_buffer_size[dev] < 32)
 94		max_buffer_size[dev] = 32;
 95	else if (max_buffer_size[dev] > 1024)
 96		max_buffer_size[dev] = 1024;
 97	err = snd_emu10k1_create(card, pci, extin[dev], extout[dev],
 98				 (long)max_buffer_size[dev] * 1024 * 1024,
 99				 enable_ir[dev], subsystem[dev]);
100	if (err < 0)
101		return err;
102	err = snd_emu10k1_pcm(emu, 0);
103	if (err < 0)
104		return err;
105	if (emu->card_capabilities->ac97_chip) {
106		err = snd_emu10k1_pcm_mic(emu, 1);
107		if (err < 0)
108			return err;
109	}
110	err = snd_emu10k1_pcm_efx(emu, 2);
111	if (err < 0)
112		return err;
113	/* This stores the periods table. */
114	if (emu->card_capabilities->ca0151_chip) { /* P16V */	
115		emu->p16v_buffer =
116			snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV, 1024);
117		if (!emu->p16v_buffer)
118			return -ENOMEM;
119	}
120
121	err = snd_emu10k1_mixer(emu, 0, 3);
122	if (err < 0)
123		return err;
124	
125	err = snd_emu10k1_timer(emu, 0);
126	if (err < 0)
127		return err;
128
129	err = snd_emu10k1_pcm_multi(emu, 3);
130	if (err < 0)
131		return err;
132	if (emu->card_capabilities->ca0151_chip) { /* P16V */
133		err = snd_p16v_pcm(emu, 4);
134		if (err < 0)
135			return err;
136	}
137	if (emu->audigy) {
138		err = snd_emu10k1_audigy_midi(emu);
139		if (err < 0)
140			return err;
141	} else {
142		err = snd_emu10k1_midi(emu);
143		if (err < 0)
144			return err;
145	}
146	err = snd_emu10k1_fx8010_new(emu, 0);
147	if (err < 0)
148		return err;
149#ifdef ENABLE_SYNTH
150	if (snd_seq_device_new(card, 1, SNDRV_SEQ_DEV_ID_EMU10K1_SYNTH,
151			       sizeof(struct snd_emu10k1_synth_arg), &wave) < 0 ||
152	    wave == NULL) {
153		dev_warn(emu->card->dev,
154			 "can't initialize Emu10k1 wavetable synth\n");
155	} else {
156		struct snd_emu10k1_synth_arg *arg;
157		arg = SNDRV_SEQ_DEVICE_ARGPTR(wave);
158		strscpy(wave->name, "Emu-10k1 Synth");
159		arg->hwptr = emu;
160		arg->index = 1;
161		arg->seq_ports = seq_ports[dev];
162		arg->max_voices = max_synth_voices[dev];
163	}
164#endif
165 
166	strscpy(card->driver, emu->card_capabilities->driver,
167		sizeof(card->driver));
168	strscpy(card->shortname, emu->card_capabilities->name,
169		sizeof(card->shortname));
170	snprintf(card->longname, sizeof(card->longname),
171		 "%s (rev.%d, serial:0x%x) at 0x%lx, irq %i",
172		 card->shortname, emu->revision, emu->serial, emu->port, emu->irq);
173
174	err = snd_card_register(card);
175	if (err < 0)
176		return err;
177
178	pci_set_drvdata(pci, card);
179	dev++;
180	return 0;
181}
182
183#ifdef CONFIG_PM_SLEEP
184static int snd_emu10k1_suspend(struct device *dev)
185{
186	struct snd_card *card = dev_get_drvdata(dev);
187	struct snd_emu10k1 *emu = card->private_data;
188
189	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
190
191	emu->suspend = 1;
192
193	cancel_work_sync(&emu->emu1010.work);
194
195	snd_ac97_suspend(emu->ac97);
196
197	snd_emu10k1_efx_suspend(emu);
198	snd_emu10k1_suspend_regs(emu);
199	if (emu->card_capabilities->ca0151_chip)
200		snd_p16v_suspend(emu);
201
202	snd_emu10k1_done(emu);
203	return 0;
204}
205
206static int snd_emu10k1_resume(struct device *dev)
207{
208	struct snd_card *card = dev_get_drvdata(dev);
209	struct snd_emu10k1 *emu = card->private_data;
210
211	snd_emu10k1_resume_init(emu);
212	snd_emu10k1_efx_resume(emu);
213	snd_ac97_resume(emu->ac97);
214	snd_emu10k1_resume_regs(emu);
215
216	if (emu->card_capabilities->ca0151_chip)
217		snd_p16v_resume(emu);
218
219	emu->suspend = 0;
220
221	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
222
223	return 0;
224}
225
226static SIMPLE_DEV_PM_OPS(snd_emu10k1_pm, snd_emu10k1_suspend, snd_emu10k1_resume);
227#define SND_EMU10K1_PM_OPS	&snd_emu10k1_pm
228#else
229#define SND_EMU10K1_PM_OPS	NULL
230#endif /* CONFIG_PM_SLEEP */
231
232static struct pci_driver emu10k1_driver = {
233	.name = KBUILD_MODNAME,
234	.id_table = snd_emu10k1_ids,
235	.probe = snd_card_emu10k1_probe,
236	.driver = {
237		.pm = SND_EMU10K1_PM_OPS,
238	},
239};
240
241module_pci_driver(emu10k1_driver);