• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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  
36  MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
37  MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
38  MODULE_LICENSE("GPL");
39  MODULE_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  
47  static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
48  static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
49  static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
50  static bool external_amp[SNDRV_CARDS];
51  static bool thinkpad[SNDRV_CARDS];
52  static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
53  
54  module_param_array(index, int, NULL, 0444);
55  MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
56  module_param_array(id, charp, NULL, 0444);
57  MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
58  module_param_array(enable, bool, NULL, 0444);
59  MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
60  module_param_array(external_amp, bool, NULL, 0444);
61  MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
62  module_param_array(thinkpad, bool, NULL, 0444);
63  MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
64  module_param_array(mmap_valid, bool, NULL, 0444);
65  MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
66  
67  static 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  
74  MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
75  
snd_card_cs46xx_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)76  static 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  
snd_card_cs46xx_remove(struct pci_dev * pci)159  static void snd_card_cs46xx_remove(struct pci_dev *pci)
160  {
161  	snd_card_free(pci_get_drvdata(pci));
162  }
163  
164  static 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  
176  module_pci_driver(cs46xx_driver);
177