[alsa-devel] [PATCH 4/4] ALSA: add Studio Evolution SE6X support
Clemens Ladisch
clemens at ladisch.de
Fri Jan 16 22:16:35 CET 2015
Add a driver for an embedded sound card.
Signed-off-by: Clemens Ladisch <clemens at ladisch.de>
---
sound/pci/Kconfig | 9 +++
sound/pci/oxygen/Makefile | 2 +
sound/pci/oxygen/se6x.c | 160 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 171 insertions(+)
create mode 100644 sound/pci/oxygen/se6x.c
diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
index 50dd008..edfc1b8 100644
--- a/sound/pci/Kconfig
+++ b/sound/pci/Kconfig
@@ -793,6 +793,15 @@ config SND_RME9652
To compile this driver as a module, choose M here: the module
will be called snd-rme9652.
+config SND_SE6X
+ tristate "Studio Evolution SE6X"
+ depends on SND_OXYGEN=n && SND_VIRTUOSO=n # PCI ID conflict
+ select SND_OXYGEN_LIB
+ select SND_PCM
+ select SND_MPU401_UART
+ help
+ Say Y or M here only if you actually have this sound card.
+
config SND_SIS7019
tristate "SiS 7019 Audio Accelerator"
depends on X86_32
diff --git a/sound/pci/oxygen/Makefile b/sound/pci/oxygen/Makefile
index 8f4c409..ab085d7 100644
--- a/sound/pci/oxygen/Makefile
+++ b/sound/pci/oxygen/Makefile
@@ -1,8 +1,10 @@
snd-oxygen-lib-objs := oxygen_io.o oxygen_lib.o oxygen_mixer.o oxygen_pcm.o
snd-oxygen-objs := oxygen.o xonar_dg_mixer.o xonar_dg.o
+snd-se6x-objs := se6x.o
snd-virtuoso-objs := virtuoso.o xonar_lib.o \
xonar_pcm179x.o xonar_cs43xx.o xonar_wm87x6.o xonar_hdmi.o
obj-$(CONFIG_SND_OXYGEN_LIB) += snd-oxygen-lib.o
obj-$(CONFIG_SND_OXYGEN) += snd-oxygen.o
+obj-$(CONFIG_SND_SE6X) += snd-se6x.o
obj-$(CONFIG_SND_VIRTUOSO) += snd-virtuoso.o
diff --git a/sound/pci/oxygen/se6x.c b/sound/pci/oxygen/se6x.c
new file mode 100644
index 0000000..f70d514
--- /dev/null
+++ b/sound/pci/oxygen/se6x.c
@@ -0,0 +1,160 @@
+/*
+ * C-Media CMI8787 driver for the Studio Evolution SE6X
+ *
+ * Copyright (c) Clemens Ladisch <clemens at 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 at 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);
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