[ALSA] add CMI8788 driver
Add the snd-oxygen driver for the C-Media CMI8788 (Oxygen) chip, used on
the Asound A-8788, AuzenTech X-Meridian, Bgears b-Enspirer,
Club3D Theatron DTS, HT-Omega Claro, Razer Barracuda AC-1,
Sondigo Inferno, and TempoTec HIFIER sound cards.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h
new file mode 100644
index 0000000..248f7ed
--- /dev/null
+++ b/sound/pci/oxygen/oxygen.h
@@ -0,0 +1,167 @@
+#ifndef OXYGEN_H_INCLUDED
+#define OXYGEN_H_INCLUDED
+
+#include <linux/mutex.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include "oxygen_regs.h"
+
+/* 1 << PCM_x == OXYGEN_CHANNEL_x */
+#define PCM_A 0
+#define PCM_B 1
+#define PCM_C 2
+#define PCM_SPDIF 3
+#define PCM_MULTICH 4
+#define PCM_AC97 5
+#define PCM_COUNT 6
+
+#define OXYGEN_PCI_SUBID(sv, sd) \
+ .vendor = PCI_VENDOR_ID_CMEDIA, \
+ .device = 0x8788, \
+ .subvendor = sv, \
+ .subdevice = sd
+
+struct pci_dev;
+struct snd_card;
+struct snd_pcm_substream;
+struct snd_pcm_hw_params;
+struct snd_rawmidi;
+struct oxygen_model;
+
+struct oxygen {
+ unsigned long addr;
+ spinlock_t reg_lock;
+ struct mutex mutex;
+ struct snd_card *card;
+ struct pci_dev *pci;
+ struct snd_rawmidi *midi;
+ int irq;
+ const struct oxygen_model *model;
+ unsigned int interrupt_mask;
+ u8 dac_volume[8];
+ u8 dac_mute;
+ u8 pcm_active;
+ u8 pcm_running;
+ u8 dac_routing;
+ u8 spdif_playback_enable;
+ u8 ak4396_reg1;
+ u8 revision;
+ u8 has_2nd_ac97_codec;
+ u32 spdif_bits;
+ u32 spdif_pcm_bits;
+ struct snd_pcm_substream *streams[PCM_COUNT];
+ struct snd_kcontrol *spdif_pcm_ctl;
+ struct snd_kcontrol *spdif_input_bits_ctl;
+ struct work_struct spdif_input_bits_work;
+};
+
+struct oxygen_model {
+ const char *shortname;
+ const char *longname;
+ const char *chip;
+ struct module *owner;
+ void (*init)(struct oxygen *chip);
+ int (*mixer_init)(struct oxygen *chip);
+ void (*cleanup)(struct oxygen *chip);
+ void (*set_dac_params)(struct oxygen *chip,
+ struct snd_pcm_hw_params *params);
+ void (*set_adc_params)(struct oxygen *chip,
+ struct snd_pcm_hw_params *params);
+ void (*update_dac_volume)(struct oxygen *chip);
+ void (*update_dac_mute)(struct oxygen *chip);
+ const unsigned int *dac_tlv;
+ u8 record_from_dma_b;
+ u8 cd_in_from_video_in;
+ u8 dac_minimum_volume;
+};
+
+/* oxygen_lib.c */
+
+int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
+ const struct oxygen_model *model);
+void oxygen_pci_remove(struct pci_dev *pci);
+
+/* oxygen_mixer.c */
+
+int oxygen_mixer_init(struct oxygen *chip);
+void oxygen_update_dac_routing(struct oxygen *chip);
+void oxygen_update_spdif_source(struct oxygen *chip);
+
+/* oxygen_pcm.c */
+
+int oxygen_pcm_init(struct oxygen *chip);
+
+/* oxygen_io.c */
+
+u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
+u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
+u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
+void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
+void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
+void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
+void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
+ u8 value, u8 mask);
+void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
+ u16 value, u16 mask);
+void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
+ u32 value, u32 mask);
+
+u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
+ unsigned int index);
+void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
+ unsigned int index, u16 data);
+void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
+ unsigned int index, u16 data, u16 mask);
+
+void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
+
+static inline void oxygen_set_bits8(struct oxygen *chip,
+ unsigned int reg, u8 value)
+{
+ oxygen_write8_masked(chip, reg, value, value);
+}
+
+static inline void oxygen_set_bits16(struct oxygen *chip,
+ unsigned int reg, u16 value)
+{
+ oxygen_write16_masked(chip, reg, value, value);
+}
+
+static inline void oxygen_set_bits32(struct oxygen *chip,
+ unsigned int reg, u32 value)
+{
+ oxygen_write32_masked(chip, reg, value, value);
+}
+
+static inline void oxygen_clear_bits8(struct oxygen *chip,
+ unsigned int reg, u8 value)
+{
+ oxygen_write8_masked(chip, reg, 0, value);
+}
+
+static inline void oxygen_clear_bits16(struct oxygen *chip,
+ unsigned int reg, u16 value)
+{
+ oxygen_write16_masked(chip, reg, 0, value);
+}
+
+static inline void oxygen_clear_bits32(struct oxygen *chip,
+ unsigned int reg, u32 value)
+{
+ oxygen_write32_masked(chip, reg, 0, value);
+}
+
+static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
+ unsigned int index, u16 value)
+{
+ oxygen_write_ac97_masked(chip, codec, index, value, value);
+}
+
+static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
+ unsigned int codec,
+ unsigned int index, u16 value)
+{
+ oxygen_write_ac97_masked(chip, codec, index, 0, value);
+}
+
+#endif