1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
4 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5 */
6
7/*
8  NOTES:
9  - sometimes the sound is metallic and sibilant, unloading and
10    reloading the module may solve this.
11*/
12
13#include <linux/pci.h>
14#include <linux/time.h>
15#include <linux/init.h>
16#include <linux/module.h>
17#include <sound/core.h>
18#include "cs46xx.h"
19#include <sound/initval.h>
20
21MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
22MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
23MODULE_LICENSE("GPL");
24
25static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
26static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
27static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
28static bool external_amp[SNDRV_CARDS];
29static bool thinkpad[SNDRV_CARDS];
30static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
31
32module_param_array(index, int, NULL, 0444);
33MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
34module_param_array(id, charp, NULL, 0444);
35MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
36module_param_array(enable, bool, NULL, 0444);
37MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
38module_param_array(external_amp, bool, NULL, 0444);
39MODULE_PARM_DESC(external_amp, "Force to enable external amplifier.");
40module_param_array(thinkpad, bool, NULL, 0444);
41MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
42module_param_array(mmap_valid, bool, NULL, 0444);
43MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
44
45static const struct pci_device_id snd_cs46xx_ids[] = {
46	{ PCI_VDEVICE(CIRRUS, 0x6001), 0, },   /* CS4280 */
47	{ PCI_VDEVICE(CIRRUS, 0x6003), 0, },   /* CS4612 */
48	{ PCI_VDEVICE(CIRRUS, 0x6004), 0, },   /* CS4615 */
49	{ 0, }
50};
51
52MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
53
54static int snd_card_cs46xx_probe(struct pci_dev *pci,
55				 const struct pci_device_id *pci_id)
56{
57	static int dev;
58	struct snd_card *card;
59	struct snd_cs46xx *chip;
60	int err;
61
62	if (dev >= SNDRV_CARDS)
63		return -ENODEV;
64	if (!enable[dev]) {
65		dev++;
66		return -ENOENT;
67	}
68
69	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
70				sizeof(*chip), &card);
71	if (err < 0)
72		return err;
73	chip = card->private_data;
74	err = snd_cs46xx_create(card, pci,
75				external_amp[dev], thinkpad[dev]);
76	if (err < 0)
77		goto error;
78	card->private_data = chip;
79	chip->accept_valid = mmap_valid[dev];
80	err = snd_cs46xx_pcm(chip, 0);
81	if (err < 0)
82		goto error;
83#ifdef CONFIG_SND_CS46XX_NEW_DSP
84	err = snd_cs46xx_pcm_rear(chip, 1);
85	if (err < 0)
86		goto error;
87	err = snd_cs46xx_pcm_iec958(chip, 2);
88	if (err < 0)
89		goto error;
90#endif
91	err = snd_cs46xx_mixer(chip, 2);
92	if (err < 0)
93		goto error;
94#ifdef CONFIG_SND_CS46XX_NEW_DSP
95	if (chip->nr_ac97_codecs ==2) {
96		err = snd_cs46xx_pcm_center_lfe(chip, 3);
97		if (err < 0)
98			goto error;
99	}
100#endif
101	err = snd_cs46xx_midi(chip, 0);
102	if (err < 0)
103		goto error;
104	err = snd_cs46xx_start_dsp(chip);
105	if (err < 0)
106		goto error;
107
108	snd_cs46xx_gameport(chip);
109
110	strcpy(card->driver, "CS46xx");
111	strcpy(card->shortname, "Sound Fusion CS46xx");
112	sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
113		card->shortname,
114		chip->ba0_addr,
115		chip->ba1_addr,
116		chip->irq);
117
118	err = snd_card_register(card);
119	if (err < 0)
120		goto error;
121
122	pci_set_drvdata(pci, card);
123	dev++;
124	return 0;
125
126 error:
127	snd_card_free(card);
128	return err;
129}
130
131static struct pci_driver cs46xx_driver = {
132	.name = KBUILD_MODNAME,
133	.id_table = snd_cs46xx_ids,
134	.probe = snd_card_cs46xx_probe,
135#ifdef CONFIG_PM_SLEEP
136	.driver = {
137		.pm = &snd_cs46xx_pm,
138	},
139#endif
140};
141
142module_pci_driver(cs46xx_driver);
143