[ALSA] add Asus Xonar driver

Add the snd-virtuoso driver for the Asus Virtuoso 200 chip used on the
PCI and PCI-E models of the Xonar sound card.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 269 insertions, 0 deletions

diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c
new file mode 100644
index 000000000000..5678dc36f9e5
--- /dev/null
+++ b/sound/pci/oxygen/virtuoso.c
@@ -0,0 +1,269 @@
+/*
+ * C-Media CMI8788 driver for Asus Xonar cards
+ *
+ * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
+ *
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License, version 2.
+ *
+ *  This driver 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 driver; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+/*
+ * SPI 0 -> 1st PCM1796 (front)
+ * SPI 1 -> 2nd PCM1796 (side)
+ * SPI 2 -> 3rd PCM1796 (center/LFE)
+ * SPI 4 -> 4th PCM1796 (rear)
+ *
+ * GPIO 2 -> M0 of CS5381
+ * GPIO 3 -> M1 of CS5381
+ * GPIO 5 <- ? (D2X only)
+ * GPIO 7 -> ALT
+ * GPIO 8 -> ? (amps enable?)
+ */
+
+#include <sound/driver.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+#include <sound/tlv.h>
+#include "oxygen.h"
+
+MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
+MODULE_DESCRIPTION("Asus AV200 driver");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{Asus,AV200}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "card index");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "enable card");
+
+static struct pci_device_id xonar_ids[] __devinitdata = {
+        { OXYGEN_PCI_SUBID(0x1043, 0x8269) }, /* Asus Xonar D2 */
+        { OXYGEN_PCI_SUBID(0x1043, 0x82b7) }, /* Asus Xonar D2X */
+        { }
+};
+MODULE_DEVICE_TABLE(pci, xonar_ids);
+
+/* register 0x12 */
+#define PCM1796_MUTE            0x01
+#define PCM1796_FMT_24_MSB      0x30
+#define PCM1796_ATLD            0x80
+/* register 0x14 */
+#define PCM1796_OS_64           0x00
+#define PCM1796_OS_32           0x01
+#define PCM1796_OS_128          0x02
+
+static void pcm1796_write(struct oxygen *chip, unsigned int codec,
+                          u8 reg, u8 value)
+{
+        /* maps ALSA channel pair number to SPI output */
+        static const u8 codec_map[4] = {
+                0, 4, 2, 1
+        };
+        oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE |
+                         OXYGEN_SPI_DATA_LENGTH_2 |
+                         (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
+                         OXYGEN_SPI_MAGIC,
+                         (reg << 8) | value);
+}
+
+static void xonar_init(struct oxygen *chip)
+{
+        unsigned int i;
+
+        for (i = 0; i < 4; ++i) {
+                pcm1796_write(chip, i, 0x12, PCM1796_FMT_24_MSB | PCM1796_ATLD);
+                pcm1796_write(chip, i, 0x13, 0);
+                pcm1796_write(chip, i, 0x14, PCM1796_OS_64);
+                pcm1796_write(chip, i, 0x15, 0);
+                pcm1796_write(chip, i, 0x10, 0xff);
+                pcm1796_write(chip, i, 0x11, 0xff);
+        }
+
+        oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x8c);
+        oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, 0x00, 0x8c);
+#if 0
+        oxygen_clear_bits16(chip, OXYGEN_I2S_MULTICH_FORMAT,
+                            OXYGEN_I2S_MAGIC1_MASK);
+#endif
+        oxygen_ac97_set_bits(chip, 0, 0x62, 0x0080);
+        msleep(300);
+        oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x100);
+        oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
+
+        snd_component_add(chip->card, "PCM1796");
+        snd_component_add(chip->card, "CS5381");
+}
+
+static void xonar_cleanup(struct oxygen *chip)
+{
+        oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
+}
+
+static void set_pcm1796_params(struct oxygen *chip,
+                               struct snd_pcm_hw_params *params)
+{
+#if 0
+        unsigned int i;
+        u8 value;
+
+        value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
+        for (i = 0; i < 4; ++i)
+                pcm1796_write(chip, i, 0x14, value);
+#endif
+}
+
+static void update_pcm1796_volume(struct oxygen *chip)
+{
+        unsigned int i;
+
+        for (i = 0; i < 4; ++i) {
+                pcm1796_write(chip, i, 0x10, chip->dac_volume[i * 2]);
+                pcm1796_write(chip, i, 0x11, chip->dac_volume[i * 2 + 1]);
+        }
+}
+
+static void update_pcm1796_mute(struct oxygen *chip)
+{
+        unsigned int i;
+        u8 value;
+
+        value = PCM1796_FMT_24_MSB | PCM1796_ATLD;
+        if (chip->dac_mute)
+                value |= PCM1796_MUTE;
+        for (i = 0; i < 4; ++i)
+                pcm1796_write(chip, i, 0x12, value);
+}
+
+static void set_cs5381_params(struct oxygen *chip,
+                              struct snd_pcm_hw_params *params)
+{
+        unsigned int value;
+
+        if (params_rate(params) <= 54000)
+                value = 0;
+        else if (params_rate(params) <= 108000)
+                value = 4;
+        else
+                value = 8;
+        oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x000c);
+}
+
+static int alt_switch_get(struct snd_kcontrol *ctl,
+                          struct snd_ctl_elem_value *value)
+{
+        struct oxygen *chip = ctl->private_data;
+
+        value->value.integer.value[0] =
+                !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & 0x80);
+        return 0;
+}
+
+static int alt_switch_put(struct snd_kcontrol *ctl,
+                          struct snd_ctl_elem_value *value)
+{
+        struct oxygen *chip = ctl->private_data;
+        u16 old_bits, new_bits;
+        int changed;
+
+        spin_lock_irq(&chip->reg_lock);
+        old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
+        if (value->value.integer.value[0])
+                new_bits = old_bits | 0x80;
+        else
+                new_bits = old_bits & ~0x80;
+        changed = new_bits != old_bits;
+        if (changed)
+                oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
+        spin_unlock_irq(&chip->reg_lock);
+        return changed;
+}
+
+static const struct snd_kcontrol_new alt_switch = {
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "Analog Loopback Switch",
+        .info = snd_ctl_boolean_mono_info,
+        .get = alt_switch_get,
+        .put = alt_switch_put,
+};
+
+static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
+
+static int xonar_mixer_init(struct oxygen *chip)
+{
+        return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
+}
+
+static const struct oxygen_model model_xonar = {
+        .shortname = "Asus AV200",
+        .longname = "Asus Virtuoso 200",
+        .chip = "AV200",
+        .init = xonar_init,
+        .mixer_init = xonar_mixer_init,
+        .cleanup = xonar_cleanup,
+        .set_dac_params = set_pcm1796_params,
+        .set_adc_params = set_cs5381_params,
+        .update_dac_volume = update_pcm1796_volume,
+        .update_dac_mute = update_pcm1796_mute,
+        .dac_tlv = pcm1796_db_scale,
+        .record_from_dma_b = 1,
+        .cd_in_from_video_in = 1,
+        .dac_minimum_volume = 15,
+};
+
+static int __devinit xonar_probe(struct pci_dev *pci,
+                                 const struct pci_device_id *pci_id)
+{
+        static int dev;
+        int err;
+
+        if (dev >= SNDRV_CARDS)
+                return -ENODEV;
+        if (!enable[dev]) {
+                ++dev;
+                return -ENOENT;
+        }
+        err = oxygen_pci_probe(pci, index[dev], id[dev], &model_xonar);
+        if (err >= 0)
+                ++dev;
+        return err;
+}
+
+static struct pci_driver xonar_driver = {
+        .name = "AV200",
+        .id_table = xonar_ids,
+        .probe = xonar_probe,
+        .remove = __devexit_p(oxygen_pci_remove),
+};
+
+static int __init alsa_card_xonar_init(void)
+{
+        return pci_register_driver(&xonar_driver);
+}
+
+static void __exit alsa_card_xonar_exit(void)
+{
+        pci_unregister_driver(&xonar_driver);
+}
+
+module_init(alsa_card_xonar_init)
+module_exit(alsa_card_xonar_exit)