Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / pci / cs46xx / cs46xx.c
diff --git a/kernel/sound/pci/cs46xx/cs46xx.c b/kernel/sound/pci/cs46xx/cs46xx.c
new file mode 100644 (file)
index 0000000..655fbea
--- /dev/null
@@ -0,0 +1,176 @@
+/*
+ *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/pci.h>
+#include <linux/time.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include "cs46xx.h"
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.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 bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;    /* Enable this card */
+static bool external_amp[SNDRV_CARDS];
+static bool thinkpad[SNDRV_CARDS];
+static bool 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 const struct pci_device_id snd_cs46xx_ids[] = {
+       { PCI_VDEVICE(CIRRUS, 0x6001), 0, },   /* CS4280 */
+       { PCI_VDEVICE(CIRRUS, 0x6003), 0, },   /* CS4612 */
+       { PCI_VDEVICE(CIRRUS, 0x6004), 0, },   /* CS4615 */
+       { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
+
+static int snd_card_cs46xx_probe(struct pci_dev *pci,
+                                const struct pci_device_id *pci_id)
+{
+       static int dev;
+       struct snd_card *card;
+       struct snd_cs46xx *chip;
+       int err;
+
+       if (dev >= SNDRV_CARDS)
+               return -ENODEV;
+       if (!enable[dev]) {
+               dev++;
+               return -ENOENT;
+       }
+
+       err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+                          0, &card);
+       if (err < 0)
+               return err;
+       if ((err = snd_cs46xx_create(card, pci,
+                                    external_amp[dev], thinkpad[dev],
+                                    &chip)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+       card->private_data = chip;
+       chip->accept_valid = mmap_valid[dev];
+       if ((err = snd_cs46xx_pcm(chip, 0)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+#ifdef CONFIG_SND_CS46XX_NEW_DSP
+       if ((err = snd_cs46xx_pcm_rear(chip, 1)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+       if ((err = snd_cs46xx_pcm_iec958(chip, 2)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+#endif
+       if ((err = snd_cs46xx_mixer(chip, 2)) < 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)) < 0) {
+                       snd_card_free(card);
+                       return err;
+               }
+       }
+#endif
+       if ((err = snd_cs46xx_midi(chip, 0)) < 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 snd_card_cs46xx_remove(struct pci_dev *pci)
+{
+       snd_card_free(pci_get_drvdata(pci));
+}
+
+static struct pci_driver cs46xx_driver = {
+       .name = KBUILD_MODNAME,
+       .id_table = snd_cs46xx_ids,
+       .probe = snd_card_cs46xx_probe,
+       .remove = snd_card_cs46xx_remove,
+#ifdef CONFIG_PM_SLEEP
+       .driver = {
+               .pm = &snd_cs46xx_pm,
+       },
+#endif
+};
+
+module_pci_driver(cs46xx_driver);