Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / pci / oxygen / se6x.c

diff --git a/kernel/sound/pci/oxygen/se6x.c b/kernel/sound/pci/oxygen/se6x.c
new file mode 100644 (file)
index 0000000..f70d514
--- /dev/null
+++ b/kernel/sound/pci/oxygen/se6x.c
@@ -0,0 +1,160 @@
+/*
+ * C-Media CMI8787 driver for the Studio Evolution SE6X
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * CMI8787:
+ *
+ *   SPI    -> microcontroller (not actually used)
+ *   GPIO 0 -> do.
+ *   GPIO 2 -> do.
+ *
+ *   DAC0   -> both PCM1792A (L+R, each in mono mode)
+ *   ADC1  <-  1st PCM1804
+ *   ADC2  <-  2nd PCM1804
+ *   ADC3  <-  3rd PCM1804
+ */
+
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+#include "oxygen.h"
+
+MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
+MODULE_DESCRIPTION("Studio Evolution SE6X driver");
+MODULE_LICENSE("GPL v2");
+MODULE_SUPPORTED_DEVICE("{{Studio Evolution,SE6X}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static bool 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 const struct pci_device_id se6x_ids[] = {
+       { OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
+       { }
+};
+MODULE_DEVICE_TABLE(pci, se6x_ids);
+
+static void se6x_init(struct oxygen *chip)
+{
+       oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x005);
+
+       snd_component_add(chip->card, "PCM1792A");
+       snd_component_add(chip->card, "PCM1804");
+}
+
+static int se6x_control_filter(struct snd_kcontrol_new *template)
+{
+       /* no DAC volume/mute */
+       if (!strncmp(template->name, "Master Playback ", 16))
+               return 1;
+       return 0;
+}
+
+static void se6x_cleanup(struct oxygen *chip)
+{
+}
+
+static void set_pcm1792a_params(struct oxygen *chip,
+                               struct snd_pcm_hw_params *params)
+{
+       /* nothing to do (the microcontroller monitors DAC_LRCK) */
+}
+
+static void set_pcm1804_params(struct oxygen *chip,
+                              struct snd_pcm_hw_params *params)
+{
+}
+
+static unsigned int se6x_adjust_dac_routing(struct oxygen *chip,
+                                           unsigned int play_routing)
+{
+       /* route the same stereo pair to DAC0 and DAC1 */
+       return ( play_routing       & OXYGEN_PLAY_DAC0_SOURCE_MASK) |
+              ((play_routing << 2) & OXYGEN_PLAY_DAC1_SOURCE_MASK);
+}
+
+static const struct oxygen_model model_se6x = {
+       .shortname = "Studio Evolution SE6X",
+       .longname = "C-Media Oxygen HD Audio",
+       .chip = "CMI8787",
+       .init = se6x_init,
+       .control_filter = se6x_control_filter,
+       .cleanup = se6x_cleanup,
+       .set_dac_params = set_pcm1792a_params,
+       .set_adc_params = set_pcm1804_params,
+       .adjust_dac_routing = se6x_adjust_dac_routing,
+       .device_config = PLAYBACK_0_TO_I2S |
+                        CAPTURE_0_FROM_I2S_1 |
+                        CAPTURE_2_FROM_I2S_2 |
+                        CAPTURE_3_FROM_I2S_3,
+       .dac_channels_pcm = 2,
+       .function_flags = OXYGEN_FUNCTION_SPI,
+       .dac_mclks = OXYGEN_MCLKS(256, 128, 128),
+       .adc_mclks = OXYGEN_MCLKS(256, 256, 128),
+       .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+       .adc_i2s_format = OXYGEN_I2S_FORMAT_I2S,
+};
+
+static int se6x_get_model(struct oxygen *chip,
+                         const struct pci_device_id *pci_id)
+{
+       chip->model = model_se6x;
+       return 0;
+}
+
+static int se6x_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], THIS_MODULE,
+                              se6x_ids, se6x_get_model);
+       if (err >= 0)
+               ++dev;
+       return err;
+}
+
+static struct pci_driver se6x_driver = {
+       .name = KBUILD_MODNAME,
+       .id_table = se6x_ids,
+       .probe = se6x_probe,
+       .remove = oxygen_pci_remove,
+#ifdef CONFIG_PM_SLEEP
+       .driver = {
+               .pm = &oxygen_pci_pm,
+       },
+#endif
+       .shutdown = oxygen_pci_shutdown,
+};
+
+module_pci_driver(se6x_driver);