[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/pci/cs46xx/cs46xx.c b/src/kernel/linux/v4.14/sound/pci/cs46xx/cs46xx.c
new file mode 100644
index 0000000..655fbea
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/pci/cs46xx/cs46xx.c
@@ -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);