1 files changed, 183 insertions, 0 deletions

diff --git a/sound/pci/cs46xx/cs46xx.c b/sound/pci/cs46xx/cs46xx.c
new file mode 100644
index 000000000000..25d6466a867c
--- /dev/null
+++ b/sound/pci/cs46xx/cs46xx.c
@@ -0,0 +1,183 @@
+/*
+ *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
+ *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+/*
+  NOTES:
+  - sometimes the sound is metallic and sibilant, unloading and 
+    reloading the module may solve this.
+*/
+
+#include <sound/driver.h>
+#include <linux/pci.h>
+#include <linux/time.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/cs46xx.h>
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
+MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)},"
+                "{Cirrus Logic,Sound Fusion (CS4610)},"
+                "{Cirrus Logic,Sound Fusion (CS4612)},"
+                "{Cirrus Logic,Sound Fusion (CS4615)},"
+                "{Cirrus Logic,Sound Fusion (CS4622)},"
+                "{Cirrus Logic,Sound Fusion (CS4624)},"
+                "{Cirrus Logic,Sound Fusion (CS4630)}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
+static int external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
+static int thinkpad[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
+static int mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
+module_param_array(external_amp, bool, NULL, 0444);
+MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
+module_param_array(thinkpad, bool, NULL, 0444);
+MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
+module_param_array(mmap_valid, bool, NULL, 0444);
+MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
+
+static struct pci_device_id snd_cs46xx_ids[] = {
+        { 0x1013, 0x6001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* CS4280 */
+        { 0x1013, 0x6003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* CS4612 */
+        { 0x1013, 0x6004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* CS4615 */
+        { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
+
+static int __devinit snd_card_cs46xx_probe(struct pci_dev *pci,
+                                           const struct pci_device_id *pci_id)
+{
+        static int dev;
+        snd_card_t *card;
+        cs46xx_t *chip;
+        int err;
+
+        if (dev >= SNDRV_CARDS)
+                return -ENODEV;
+        if (!enable[dev]) {
+                dev++;
+                return -ENOENT;
+        }
+
+        card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
+        if (card == NULL)
+                return -ENOMEM;
+        if ((err = snd_cs46xx_create(card, pci,
+                                     external_amp[dev], thinkpad[dev],
+                                     &chip)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+        chip->accept_valid = mmap_valid[dev];
+        if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+#ifdef CONFIG_SND_CS46XX_NEW_DSP
+        if ((err = snd_cs46xx_pcm_rear(chip,1, NULL)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+        if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+#endif
+        if ((err = snd_cs46xx_mixer(chip)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+#ifdef CONFIG_SND_CS46XX_NEW_DSP
+        if (chip->nr_ac97_codecs ==2) {
+                if ((err = snd_cs46xx_pcm_center_lfe(chip,3,NULL)) < 0) {
+                        snd_card_free(card);
+                        return err;
+                }
+        }
+#endif
+        if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+        if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+
+
+        snd_cs46xx_gameport(chip);
+
+        strcpy(card->driver, "CS46xx");
+        strcpy(card->shortname, "Sound Fusion CS46xx");
+        sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
+                card->shortname,
+                chip->ba0_addr,
+                chip->ba1_addr,
+                chip->irq);
+
+        if ((err = snd_card_register(card)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+
+        pci_set_drvdata(pci, card);
+        dev++;
+        return 0;
+}
+
+static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci)
+{
+        snd_card_free(pci_get_drvdata(pci));
+        pci_set_drvdata(pci, NULL);
+}
+
+static struct pci_driver driver = {
+        .name = "Sound Fusion CS46xx",
+        .id_table = snd_cs46xx_ids,
+        .probe = snd_card_cs46xx_probe,
+        .remove = __devexit_p(snd_card_cs46xx_remove),
+        SND_PCI_PM_CALLBACKS
+};
+
+static int __init alsa_card_cs46xx_init(void)
+{
+        return pci_module_init(&driver);
+}
+
+static void __exit alsa_card_cs46xx_exit(void)
+{
+        pci_unregister_driver(&driver);
+}
+
+module_init(alsa_card_cs46xx_init)
+module_exit(alsa_card_cs46xx_exit)