diff options
Diffstat (limited to 'sound/pci/oxygen/se6x.c')
| -rw-r--r-- | sound/pci/oxygen/se6x.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/sound/pci/oxygen/se6x.c b/sound/pci/oxygen/se6x.c new file mode 100644 index 0000000000..17650a5b1b --- /dev/null +++ b/sound/pci/oxygen/se6x.c @@ -0,0 +1,148 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * C-Media CMI8787 driver for the Studio Evolution SE6X + * + * Copyright (c) Clemens Ladisch <clemens@ladisch.de> + */ + +/* + * 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"); + +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, +#ifdef CONFIG_PM_SLEEP + .driver = { + .pm = &oxygen_pci_pm, + }, +#endif + .shutdown = oxygen_pci_shutdown, +}; + +module_pci_driver(se6x_driver); |