1/*
2 *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 *
5 *
6 *   This program is free software; you can redistribute it and/or modify
7 *   it under the terms of the GNU General Public License as published by
8 *   the Free Software Foundation; either version 2 of the License, or
9 *   (at your option) any later version.
10 *
11 *   This program is distributed in the hope that it will be useful,
12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *   GNU General Public License for more details.
15 *
16 *   You should have received a copy of the GNU General Public License
17 *   along with this program; if not, write to the Free Software
18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19 *
20 */
21
22/*
23  NOTES:
24  - sometimes the sound is metallic and sibilant, unloading and
25    reloading the module may solve this.
26*/
27
28#include <linux/pci.h>
29#include <linux/time.h>
30#include <linux/init.h>
31#include <linux/module.h>
32#include <sound/core.h>
33#include "cs46xx.h"
34#include <sound/initval.h>
35
36MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
37MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
38MODULE_LICENSE("GPL");
39MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)},"
40		"{Cirrus Logic,Sound Fusion (CS4610)},"
41		"{Cirrus Logic,Sound Fusion (CS4612)},"
42		"{Cirrus Logic,Sound Fusion (CS4615)},"
43		"{Cirrus Logic,Sound Fusion (CS4622)},"
44		"{Cirrus Logic,Sound Fusion (CS4624)},"
45		"{Cirrus Logic,Sound Fusion (CS4630)}}");
46
47static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
48static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
49static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
50static bool external_amp[SNDRV_CARDS];
51static bool thinkpad[SNDRV_CARDS];
52static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
53
54module_param_array(index, int, NULL, 0444);
55MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
56module_param_array(id, charp, NULL, 0444);
57MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
58module_param_array(enable, bool, NULL, 0444);
59MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
60module_param_array(external_amp, bool, NULL, 0444);
61MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
62module_param_array(thinkpad, bool, NULL, 0444);
63MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
64module_param_array(mmap_valid, bool, NULL, 0444);
65MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
66
67static const struct pci_device_id snd_cs46xx_ids[] = {
68	{ PCI_VDEVICE(CIRRUS, 0x6001), 0, },   /* CS4280 */
69	{ PCI_VDEVICE(CIRRUS, 0x6003), 0, },   /* CS4612 */
70	{ PCI_VDEVICE(CIRRUS, 0x6004), 0, },   /* CS4615 */
71	{ 0, }
72};
73
74MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
75
76static int snd_card_cs46xx_probe(struct pci_dev *pci,
77				 const struct pci_device_id *pci_id)
78{
79	static int dev;
80	struct snd_card *card;
81	struct snd_cs46xx *chip;
82	int err;
83
84	if (dev >= SNDRV_CARDS)
85		return -ENODEV;
86	if (!enable[dev]) {
87		dev++;
88		return -ENOENT;
89	}
90
91	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
92			   0, &card);
93	if (err < 0)
94		return err;
95	if ((err = snd_cs46xx_create(card, pci,
96				     external_amp[dev], thinkpad[dev],
97				     &chip)) < 0) {
98		snd_card_free(card);
99		return err;
100	}
101	card->private_data = chip;
102	chip->accept_valid = mmap_valid[dev];
103	if ((err = snd_cs46xx_pcm(chip, 0)) < 0) {
104		snd_card_free(card);
105		return err;
106	}
107#ifdef CONFIG_SND_CS46XX_NEW_DSP
108	if ((err = snd_cs46xx_pcm_rear(chip, 1)) < 0) {
109		snd_card_free(card);
110		return err;
111	}
112	if ((err = snd_cs46xx_pcm_iec958(chip, 2)) < 0) {
113		snd_card_free(card);
114		return err;
115	}
116#endif
117	if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
118		snd_card_free(card);
119		return err;
120	}
121#ifdef CONFIG_SND_CS46XX_NEW_DSP
122	if (chip->nr_ac97_codecs ==2) {
123		if ((err = snd_cs46xx_pcm_center_lfe(chip, 3)) < 0) {
124			snd_card_free(card);
125			return err;
126		}
127	}
128#endif
129	if ((err = snd_cs46xx_midi(chip, 0)) < 0) {
130		snd_card_free(card);
131		return err;
132	}
133	if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
134		snd_card_free(card);
135		return err;
136	}
137
138
139	snd_cs46xx_gameport(chip);
140
141	strcpy(card->driver, "CS46xx");
142	strcpy(card->shortname, "Sound Fusion CS46xx");
143	sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
144		card->shortname,
145		chip->ba0_addr,
146		chip->ba1_addr,
147		chip->irq);
148
149	if ((err = snd_card_register(card)) < 0) {
150		snd_card_free(card);
151		return err;
152	}
153
154	pci_set_drvdata(pci, card);
155	dev++;
156	return 0;
157}
158
159static void snd_card_cs46xx_remove(struct pci_dev *pci)
160{
161	snd_card_free(pci_get_drvdata(pci));
162}
163
164static struct pci_driver cs46xx_driver = {
165	.name = KBUILD_MODNAME,
166	.id_table = snd_cs46xx_ids,
167	.probe = snd_card_cs46xx_probe,
168	.remove = snd_card_cs46xx_remove,
169#ifdef CONFIG_PM_SLEEP
170	.driver = {
171		.pm = &snd_cs46xx_pm,
172	},
173#endif
174};
175
176module_pci_driver(cs46xx_driver);
177