To compile this driver as a module, choose M here: the module
will be called snd-cmipci.
+config SND_OXYGEN_LIB
+ tristate
+ depends on SND
+ select SND_PCM
+ select SND_MPU401_UART
+
+config SND_OXYGEN
+ tristate "C-Media 8788 (Oxygen)"
+ depends on SND
+ select SND_OXYGEN_LIB
+ help
+ Say Y here to include support for sound cards based on the
+ C-Media CMI8788 (Oxygen HD Audio) chip:
+ * Asound A-8788
+ * AuzenTech X-Meridian
+ * Bgears b-Enspirer
+ * Club3D Theatron DTS
+ * HT-Omega Claro
+ * Razer Barracuda AC-1
+ * Sondigo Inferno
+ * TempoTec HIFIER
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-oxygen.
+
config SND_CS4281
tristate "Cirrus Logic (Sound Fusion) CS4281"
depends on SND
korg1212/ \
mixart/ \
nm256/ \
+ oxygen/ \
pcxhr/ \
riptide/ \
rme9652/ \
--- /dev/null
+snd-oxygen-lib-objs := oxygen_io.o oxygen_lib.o oxygen_mixer.o oxygen_pcm.o
+snd-oxygen-objs := oxygen.o
+
+obj-$(CONFIG_SND_OXYGEN_LIB) += snd-oxygen-lib.o
+obj-$(CONFIG_SND_OXYGEN) += snd-oxygen.o
--- /dev/null
+/*
+ * C-Media CMI8788 driver for C-Media's reference design and for the X-Meridian
+ *
+ * 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 AK4396 (front)
+ * SPI 1 -> 2nd AK4396 (side)
+ * SPI 2 -> 3rd AK4396 (center/LFE)
+ * SPI 3 -> WM8785
+ * SPI 4 -> 4th AK4396 (rear)
+ *
+ * GPIO 0 -> DFS0 of AK5385
+ * GPIO 1 -> DFS1 of AK5385
+ */
+
+#include <sound/driver.h>
+#include <linux/pci.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/tlv.h>
+#include "oxygen.h"
+
+MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
+MODULE_DESCRIPTION("C-Media CMI8788 driver");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}");
+
+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 oxygen_ids[] __devinitdata = {
+ { OXYGEN_PCI_SUBID(0x10b0, 0x0216) },
+ { OXYGEN_PCI_SUBID(0x10b0, 0x0218) },
+ { OXYGEN_PCI_SUBID(0x10b0, 0x0219) },
+ { OXYGEN_PCI_SUBID(0x13f6, 0x0001) },
+ { OXYGEN_PCI_SUBID(0x13f6, 0x0010) },
+ { OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
+ { OXYGEN_PCI_SUBID(0x147a, 0xa017) },
+ { OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
+ { OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
+ { OXYGEN_PCI_SUBID(0x1a58, 0x0910) },
+ { OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = 1 },
+ { OXYGEN_PCI_SUBID(0x7284, 0x9761) },
+ { }
+};
+MODULE_DEVICE_TABLE(pci, oxygen_ids);
+
+#define AK4396_WRITE 0x2000
+
+/* register 0 */
+#define AK4396_RSTN 0x01
+#define AK4396_DIF_24_MSB 0x04
+/* register 1 */
+#define AK4396_SMUTE 0x01
+#define AK4396_DEM_OFF 0x02
+#define AK4396_DFS_MASK 0x18
+#define AK4396_DFS_NORMAL 0x00
+#define AK4396_DFS_DOUBLE 0x08
+#define AK4396_DFS_QUAD 0x10
+
+/* register 0 */
+#define WM8785_OSR_SINGLE 0x000
+#define WM8785_OSR_DOUBLE 0x008
+#define WM8785_OSR_QUAD 0x010
+#define WM8785_FORMAT_LJUST 0x020
+#define WM8785_FORMAT_I2S 0x040
+/* register 1 */
+#define WM8785_WL_16 0x000
+#define WM8785_WL_20 0x001
+#define WM8785_WL_24 0x002
+#define WM8785_WL_32 0x003
+
+static void ak4396_write(struct oxygen *chip, unsigned int codec,
+ u8 reg, u8 value)
+{
+ /* maps ALSA channel pair number to SPI output */
+ static const u8 codec_spi_map[4] = {
+ 0, 4, 2, 1
+ };
+ oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE |
+ OXYGEN_SPI_DATA_LENGTH_2 |
+ (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
+ OXYGEN_SPI_MAGIC,
+ AK4396_WRITE | (reg << 8) | value);
+}
+
+static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
+{
+ oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE |
+ OXYGEN_SPI_DATA_LENGTH_2 |
+ (3 << OXYGEN_SPI_CODEC_SHIFT),
+ (reg << 9) | value);
+}
+
+static void ak4396_init(struct oxygen *chip)
+{
+ unsigned int i;
+
+ chip->ak4396_reg1 = AK4396_DEM_OFF | AK4396_DFS_NORMAL;
+ for (i = 0; i < 4; ++i) {
+ ak4396_write(chip, i, 0, AK4396_DIF_24_MSB | AK4396_RSTN);
+ ak4396_write(chip, i, 1, chip->ak4396_reg1);
+ ak4396_write(chip, i, 2, 0);
+ ak4396_write(chip, i, 3, 0xff);
+ ak4396_write(chip, i, 4, 0xff);
+ }
+ snd_component_add(chip->card, "AK4396");
+}
+
+static void ak5385_init(struct oxygen *chip)
+{
+ oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x0003);
+ oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x0003);
+ snd_component_add(chip->card, "AK5385");
+}
+
+static void wm8785_init(struct oxygen *chip)
+{
+ wm8785_write(chip, 7, 0);
+ wm8785_write(chip, 0, WM8785_FORMAT_LJUST | WM8785_OSR_SINGLE);
+ wm8785_write(chip, 1, WM8785_WL_24);
+ snd_component_add(chip->card, "WM8785");
+}
+
+static void generic_init(struct oxygen *chip)
+{
+ ak4396_init(chip);
+ wm8785_init(chip);
+}
+
+static void meridian_init(struct oxygen *chip)
+{
+ ak4396_init(chip);
+ ak5385_init(chip);
+}
+
+static void generic_cleanup(struct oxygen *chip)
+{
+}
+
+static void set_ak4396_params(struct oxygen *chip,
+ struct snd_pcm_hw_params *params)
+{
+ unsigned int i;
+ u8 value;
+
+ value = chip->ak4396_reg1 & ~AK4396_DFS_MASK;
+ if (params_rate(params) <= 54000)
+ value |= AK4396_DFS_NORMAL;
+ else if (params_rate(params) < 120000)
+ value |= AK4396_DFS_DOUBLE;
+ else
+ value |= AK4396_DFS_QUAD;
+ chip->ak4396_reg1 = value;
+ for (i = 0; i < 4; ++i) {
+ ak4396_write(chip, i, 0, AK4396_DIF_24_MSB);
+ ak4396_write(chip, i, 1, value);
+ ak4396_write(chip, i, 0, AK4396_DIF_24_MSB | AK4396_RSTN);
+ }
+}
+
+static void update_ak4396_volume(struct oxygen *chip)
+{
+ unsigned int i;
+
+ for (i = 0; i < 4; ++i) {
+ ak4396_write(chip, i, 3, chip->dac_volume[i * 2]);
+ ak4396_write(chip, i, 4, chip->dac_volume[i * 2 + 1]);
+ }
+}
+
+static void update_ak4396_mute(struct oxygen *chip)
+{
+ unsigned int i;
+ u8 value;
+
+ value = chip->ak4396_reg1 & ~AK4396_SMUTE;
+ if (chip->dac_mute)
+ value |= AK4396_SMUTE;
+ for (i = 0; i < 4; ++i)
+ ak4396_write(chip, i, 1, value);
+}
+
+static void set_wm8785_params(struct oxygen *chip,
+ struct snd_pcm_hw_params *params)
+{
+ unsigned int value;
+
+ wm8785_write(chip, 7, 0);
+
+ value = WM8785_FORMAT_LJUST;
+ if (params_rate(params) == 96000)
+ value |= WM8785_OSR_DOUBLE;
+ else if (params_rate(params) == 192000)
+ value |= WM8785_OSR_QUAD;
+ else
+ value |= WM8785_OSR_SINGLE;
+ wm8785_write(chip, 0, value);
+
+ if (snd_pcm_format_width(params_format(params)) <= 16)
+ value = WM8785_WL_16;
+ else
+ value = WM8785_WL_24;
+ wm8785_write(chip, 1, value);
+}
+
+static void set_ak5385_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 = 1;
+ else
+ value = 2;
+ oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x0003);
+}
+
+static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
+
+static const struct oxygen_model model_generic = {
+ .shortname = "C-Media CMI8788",
+ .longname = "C-Media Oxygen HD Audio",
+ .chip = "CMI8788",
+ .owner = THIS_MODULE,
+ .init = generic_init,
+ .cleanup = generic_cleanup,
+ .set_dac_params = set_ak4396_params,
+ .set_adc_params = set_wm8785_params,
+ .update_dac_volume = update_ak4396_volume,
+ .update_dac_mute = update_ak4396_mute,
+ .dac_tlv = ak4396_db_scale,
+};
+static const struct oxygen_model model_meridian = {
+ .shortname = "C-Media CMI8788",
+ .longname = "C-Media Oxygen HD Audio",
+ .chip = "CMI8788",
+ .owner = THIS_MODULE,
+ .init = meridian_init,
+ .cleanup = generic_cleanup,
+ .set_dac_params = set_ak4396_params,
+ .set_adc_params = set_ak5385_params,
+ .update_dac_volume = update_ak4396_volume,
+ .update_dac_mute = update_ak4396_mute,
+ .dac_tlv = ak4396_db_scale,
+ .record_from_dma_b = 1,
+};
+
+static int __devinit generic_oxygen_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ static int dev;
+ const struct oxygen_model *model;
+ int err;
+
+ if (dev >= SNDRV_CARDS)
+ return -ENODEV;
+ if (!enable[dev]) {
+ ++dev;
+ return -ENOENT;
+ }
+ model = pci_id->driver_data ? &model_meridian : &model_generic;
+ err = oxygen_pci_probe(pci, index[dev], id[dev], model);
+ if (err >= 0)
+ ++dev;
+ return err;
+}
+
+static struct pci_driver oxygen_driver = {
+ .name = "CMI8788",
+ .id_table = oxygen_ids,
+ .probe = generic_oxygen_probe,
+ .remove = __devexit_p(oxygen_pci_remove),
+};
+
+static int __init alsa_card_oxygen_init(void)
+{
+ return pci_register_driver(&oxygen_driver);
+}
+
+static void __exit alsa_card_oxygen_exit(void)
+{
+ pci_unregister_driver(&oxygen_driver);
+}
+
+module_init(alsa_card_oxygen_init)
+module_exit(alsa_card_oxygen_exit)
--- /dev/null
+#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
--- /dev/null
+/*
+ * C-Media CMI8788 driver - helper functions
+ *
+ * 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
+ */
+
+#include <sound/driver.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <sound/core.h>
+#include <asm/io.h>
+#include "oxygen.h"
+
+u8 oxygen_read8(struct oxygen *chip, unsigned int reg)
+{
+ return inb(chip->addr + reg);
+}
+EXPORT_SYMBOL(oxygen_read8);
+
+u16 oxygen_read16(struct oxygen *chip, unsigned int reg)
+{
+ return inw(chip->addr + reg);
+}
+EXPORT_SYMBOL(oxygen_read16);
+
+u32 oxygen_read32(struct oxygen *chip, unsigned int reg)
+{
+ return inl(chip->addr + reg);
+}
+EXPORT_SYMBOL(oxygen_read32);
+
+void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value)
+{
+ outb(value, chip->addr + reg);
+}
+EXPORT_SYMBOL(oxygen_write8);
+
+void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value)
+{
+ outw(value, chip->addr + reg);
+}
+EXPORT_SYMBOL(oxygen_write16);
+
+void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value)
+{
+ outl(value, chip->addr + reg);
+}
+EXPORT_SYMBOL(oxygen_write32);
+
+void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
+ u8 value, u8 mask)
+{
+ u8 tmp = inb(chip->addr + reg);
+ outb((tmp & ~mask) | (value & mask), chip->addr + reg);
+}
+EXPORT_SYMBOL(oxygen_write8_masked);
+
+void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
+ u16 value, u16 mask)
+{
+ u16 tmp = inw(chip->addr + reg);
+ outw((tmp & ~mask) | (value & mask), chip->addr + reg);
+}
+EXPORT_SYMBOL(oxygen_write16_masked);
+
+void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
+ u32 value, u32 mask)
+{
+ u32 tmp = inl(chip->addr + reg);
+ outl((tmp & ~mask) | (value & mask), chip->addr + reg);
+}
+EXPORT_SYMBOL(oxygen_write32_masked);
+
+static int oxygen_ac97_wait(struct oxygen *chip, unsigned int mask)
+{
+ unsigned long timeout = jiffies + msecs_to_jiffies(1);
+ do {
+ udelay(5);
+ cond_resched();
+ if (oxygen_read8(chip, OXYGEN_AC97_INTERRUPT_STATUS) & mask)
+ return 0;
+ } while (time_after_eq(timeout, jiffies));
+ return -EIO;
+}
+
+/*
+ * About 10% of AC'97 register reads or writes fail to complete, but even those
+ * where the controller indicates completion aren't guaranteed to have actually
+ * happened.
+ *
+ * It's hard to assign blame to either the controller or the codec because both
+ * were made by C-Media ...
+ */
+
+void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
+ unsigned int index, u16 data)
+{
+ unsigned int count, succeeded;
+ u32 reg;
+
+ reg = data;
+ reg |= index << OXYGEN_AC97_REG_ADDR_SHIFT;
+ reg |= OXYGEN_AC97_REG_DIR_WRITE;
+ reg |= codec << OXYGEN_AC97_REG_CODEC_SHIFT;
+ succeeded = 0;
+ for (count = 5; count > 0; --count) {
+ udelay(5);
+ oxygen_write32(chip, OXYGEN_AC97_REGS, reg);
+ /* require two "completed" writes, just to be sure */
+ if (oxygen_ac97_wait(chip, OXYGEN_AC97_WRITE_COMPLETE) >= 0 &&
+ ++succeeded >= 2)
+ return;
+ }
+ snd_printk(KERN_ERR "AC'97 write timeout\n");
+}
+EXPORT_SYMBOL(oxygen_write_ac97);
+
+u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
+ unsigned int index)
+{
+ unsigned int count;
+ unsigned int last_read = UINT_MAX;
+ u32 reg;
+
+ reg = index << OXYGEN_AC97_REG_ADDR_SHIFT;
+ reg |= OXYGEN_AC97_REG_DIR_READ;
+ reg |= codec << OXYGEN_AC97_REG_CODEC_SHIFT;
+ for (count = 5; count > 0; --count) {
+ udelay(5);
+ oxygen_write32(chip, OXYGEN_AC97_REGS, reg);
+ udelay(10);
+ if (oxygen_ac97_wait(chip, OXYGEN_AC97_READ_COMPLETE) >= 0) {
+ u16 value = oxygen_read16(chip, OXYGEN_AC97_REGS);
+ /* we require two consecutive reads of the same value */
+ if (value == last_read)
+ return value;
+ last_read = value;
+ /*
+ * Invert the register value bits to make sure that two
+ * consecutive unsuccessful reads do not return the same
+ * value.
+ */
+ reg ^= 0xffff;
+ }
+ }
+ snd_printk(KERN_ERR "AC'97 read timeout on codec %u\n", codec);
+ return 0;
+}
+EXPORT_SYMBOL(oxygen_read_ac97);
+
+void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
+ unsigned int index, u16 data, u16 mask)
+{
+ u16 value = oxygen_read_ac97(chip, codec, index);
+ value &= ~mask;
+ value |= data & mask;
+ oxygen_write_ac97(chip, codec, index, value);
+}
+EXPORT_SYMBOL(oxygen_write_ac97_masked);
+
+void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data)
+{
+ unsigned int count;
+
+ /* should not need more than 3.84 us (24 * 160 ns) */
+ count = 10;
+ while ((oxygen_read8(chip, OXYGEN_SPI_CONTROL) & OXYGEN_SPI_BUSY)
+ && count > 0) {
+ udelay(1);
+ --count;
+ }
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_write8(chip, OXYGEN_SPI_DATA1, data);
+ oxygen_write8(chip, OXYGEN_SPI_DATA2, data >> 8);
+ if (control & OXYGEN_SPI_DATA_LENGTH_3)
+ oxygen_write8(chip, OXYGEN_SPI_DATA3, data >> 16);
+ oxygen_write8(chip, OXYGEN_SPI_CONTROL, control);
+ spin_unlock_irq(&chip->reg_lock);
+}
+EXPORT_SYMBOL(oxygen_write_spi);
--- /dev/null
+/*
+ * C-Media CMI8788 driver - main driver module
+ *
+ * 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
+ */
+
+#include <sound/driver.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/pci.h>
+#include <sound/ac97_codec.h>
+#include <sound/asoundef.h>
+#include <sound/core.h>
+#include <sound/info.h>
+#include <sound/mpu401.h>
+#include <sound/pcm.h>
+#include "oxygen.h"
+
+MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
+MODULE_DESCRIPTION("C-Media CMI8788 helper library");
+MODULE_LICENSE("GPL");
+
+
+static irqreturn_t oxygen_interrupt(int dummy, void *dev_id)
+{
+ struct oxygen *chip = dev_id;
+ unsigned int status, clear, elapsed_streams, i;
+
+ status = oxygen_read16(chip, OXYGEN_INTERRUPT_STATUS);
+ if (!status)
+ return IRQ_NONE;
+
+ spin_lock(&chip->reg_lock);
+
+ clear = status & (OXYGEN_CHANNEL_A |
+ OXYGEN_CHANNEL_B |
+ OXYGEN_CHANNEL_C |
+ OXYGEN_CHANNEL_SPDIF |
+ OXYGEN_CHANNEL_MULTICH |
+ OXYGEN_CHANNEL_AC97 |
+ OXYGEN_INT_SPDIF_IN_CHANGE |
+ OXYGEN_INT_GPIO);
+ if (clear) {
+ if (clear & OXYGEN_INT_SPDIF_IN_CHANGE)
+ chip->interrupt_mask &= ~OXYGEN_INT_SPDIF_IN_CHANGE;
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK,
+ chip->interrupt_mask & ~clear);
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK,
+ chip->interrupt_mask);
+ }
+
+ elapsed_streams = status & chip->pcm_running;
+
+ spin_unlock(&chip->reg_lock);
+
+ for (i = 0; i < PCM_COUNT; ++i)
+ if ((elapsed_streams & (1 << i)) && chip->streams[i])
+ snd_pcm_period_elapsed(chip->streams[i]);
+
+ if (status & OXYGEN_INT_SPDIF_IN_CHANGE) {
+ spin_lock(&chip->reg_lock);
+ i = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
+ if (i & OXYGEN_SPDIF_IN_CHANGE) {
+ oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, i);
+ schedule_work(&chip->spdif_input_bits_work);
+ }
+ spin_unlock(&chip->reg_lock);
+ }
+
+ if (status & OXYGEN_INT_GPIO)
+ ;
+
+ if ((status & OXYGEN_INT_MIDI) && chip->midi)
+ snd_mpu401_uart_interrupt(0, chip->midi->private_data);
+
+ return IRQ_HANDLED;
+}
+
+static void oxygen_spdif_input_bits_changed(struct work_struct *work)
+{
+ struct oxygen *chip = container_of(work, struct oxygen,
+ spdif_input_bits_work);
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL, OXYGEN_SPDIF_IN_INVERT);
+ spin_unlock_irq(&chip->reg_lock);
+ msleep(1);
+ if (!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL)
+ & OXYGEN_SPDIF_IN_VALID)) {
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_set_bits32(chip, OXYGEN_SPDIF_CONTROL,
+ OXYGEN_SPDIF_IN_INVERT);
+ spin_unlock_irq(&chip->reg_lock);
+ msleep(1);
+ if (!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL)
+ & OXYGEN_SPDIF_IN_VALID)) {
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
+ OXYGEN_SPDIF_IN_INVERT);
+ spin_unlock_irq(&chip->reg_lock);
+ }
+ }
+
+ if (chip->spdif_input_bits_ctl) {
+ spin_lock_irq(&chip->reg_lock);
+ chip->interrupt_mask |= OXYGEN_INT_SPDIF_IN_CHANGE;
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK,
+ chip->interrupt_mask);
+ spin_unlock_irq(&chip->reg_lock);
+
+ snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &chip->spdif_input_bits_ctl->id);
+ }
+}
+
+#ifdef CONFIG_PROC_FS
+static void oxygen_proc_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct oxygen *chip = entry->private_data;
+ int i, j;
+
+ snd_iprintf(buffer, "CMI8788\n\n");
+ for (i = 0; i < 0x100; i += 0x10) {
+ snd_iprintf(buffer, "%02x:", i);
+ for (j = 0; j < 0x10; ++j)
+ snd_iprintf(buffer, " %02x", oxygen_read8(chip, i + j));
+ snd_iprintf(buffer, "\n");
+ }
+ if (mutex_lock_interruptible(&chip->mutex) < 0)
+ return;
+ snd_iprintf(buffer, "\nAC97\n");
+ for (i = 0; i < 0x80; i += 0x10) {
+ snd_iprintf(buffer, "%02x:", i);
+ for (j = 0; j < 0x10; j += 2)
+ snd_iprintf(buffer, " %04x",
+ oxygen_read_ac97(chip, 0, i + j));
+ snd_iprintf(buffer, "\n");
+ }
+ mutex_unlock(&chip->mutex);
+}
+
+static void __devinit oxygen_proc_init(struct oxygen *chip)
+{
+ struct snd_info_entry *entry;
+
+ if (!snd_card_proc_new(chip->card, "cmi8788", &entry))
+ snd_info_set_text_ops(entry, chip, oxygen_proc_read);
+}
+#else
+#define oxygen_proc_init(chip)
+#endif
+
+static void __devinit oxygen_init(struct oxygen *chip)
+{
+ unsigned int i;
+
+ chip->dac_routing = 1;
+ for (i = 0; i < 8; ++i)
+ chip->dac_volume[i] = 0xff;
+ chip->spdif_playback_enable = 1;
+ chip->spdif_bits = OXYGEN_SPDIF_C | OXYGEN_SPDIF_ORIGINAL |
+ (IEC958_AES1_CON_PCM_CODER << OXYGEN_SPDIF_CATEGORY_SHIFT);
+ chip->spdif_pcm_bits = chip->spdif_bits;
+
+ if (oxygen_read8(chip, OXYGEN_REVISION) & OXYGEN_REVISION_2)
+ chip->revision = 2;
+ else
+ chip->revision = 1;
+
+ if (chip->revision == 1)
+ oxygen_set_bits8(chip, OXYGEN_MISC, OXYGEN_MISC_MAGIC);
+
+ oxygen_set_bits8(chip, OXYGEN_FUNCTION,
+ OXYGEN_FUNCTION_RESET_CODEC |
+ OXYGEN_FUNCTION_ENABLE_SPI_4_5);
+ oxygen_write16(chip, OXYGEN_I2S_MULTICH_FORMAT, 0x010a);
+ oxygen_write16(chip, OXYGEN_I2S_A_FORMAT, 0x010a);
+ oxygen_write16(chip, OXYGEN_I2S_B_FORMAT, 0x010a);
+ oxygen_write16(chip, OXYGEN_I2S_C_FORMAT, 0x010a);
+ oxygen_set_bits32(chip, OXYGEN_SPDIF_CONTROL, OXYGEN_SPDIF_MAGIC2);
+ oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS, chip->spdif_bits);
+ oxygen_write16(chip, OXYGEN_PLAY_ROUTING, 0x6c00);
+ oxygen_write8(chip, OXYGEN_REC_ROUTING, 0x10);
+ oxygen_write8(chip, OXYGEN_ADC_MONITOR, 0x00);
+ oxygen_write8(chip, OXYGEN_A_MONITOR_ROUTING, 0xe4);
+
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
+ oxygen_write16(chip, OXYGEN_DMA_STATUS, 0);
+
+ oxygen_write8(chip, OXYGEN_AC97_INTERRUPT_MASK, 0x00);
+ oxygen_clear_bits16(chip, OXYGEN_AC97_OUT_CONFIG,
+ OXYGEN_AC97_OUT_MAGIC3);
+ oxygen_set_bits16(chip, OXYGEN_AC97_IN_CONFIG,
+ OXYGEN_AC97_IN_MAGIC3);
+ oxygen_write_ac97(chip, 0, AC97_RESET, 0);
+ msleep(1);
+ oxygen_ac97_set_bits(chip, 0, 0x70, 0x0300);
+ oxygen_ac97_set_bits(chip, 0, 0x64, 0x8043);
+ oxygen_ac97_set_bits(chip, 0, 0x62, 0x180f);
+ oxygen_write_ac97(chip, 0, AC97_MASTER, 0x0000);
+ oxygen_write_ac97(chip, 0, AC97_PC_BEEP, 0x8000);
+ oxygen_write_ac97(chip, 0, AC97_MIC, 0x8808);
+ oxygen_write_ac97(chip, 0, AC97_LINE, 0x0808);
+ oxygen_write_ac97(chip, 0, AC97_CD, 0x8808);
+ oxygen_write_ac97(chip, 0, AC97_VIDEO, 0x8808);
+ oxygen_write_ac97(chip, 0, AC97_AUX, 0x8808);
+ oxygen_write_ac97(chip, 0, AC97_REC_GAIN, 0x8000);
+ oxygen_write_ac97(chip, 0, AC97_CENTER_LFE_MASTER, 0x8080);
+ oxygen_write_ac97(chip, 0, AC97_SURROUND_MASTER, 0x8080);
+ oxygen_ac97_clear_bits(chip, 0, 0x72, 0x0001);
+ /* power down unused ADCs and DACs */
+ oxygen_ac97_set_bits(chip, 0, AC97_POWERDOWN,
+ AC97_PD_PR0 | AC97_PD_PR1);
+ oxygen_ac97_set_bits(chip, 0, AC97_EXTENDED_STATUS,
+ AC97_EA_PRI | AC97_EA_PRJ | AC97_EA_PRK);
+}
+
+static void oxygen_card_free(struct snd_card *card)
+{
+ struct oxygen *chip = card->private_data;
+
+ spin_lock_irq(&chip->reg_lock);
+ chip->interrupt_mask = 0;
+ chip->pcm_running = 0;
+ oxygen_write16(chip, OXYGEN_DMA_STATUS, 0);
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
+ spin_unlock_irq(&chip->reg_lock);
+ if (chip->irq >= 0) {
+ free_irq(chip->irq, chip);
+ synchronize_irq(chip->irq);
+ }
+ flush_scheduled_work();
+ chip->model->cleanup(chip);
+ mutex_destroy(&chip->mutex);
+ pci_release_regions(chip->pci);
+ pci_disable_device(chip->pci);
+}
+
+int __devinit oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
+ const struct oxygen_model *model)
+{
+ struct snd_card *card;
+ struct oxygen *chip;
+ int err;
+
+ card = snd_card_new(index, id, model->owner, sizeof *chip);
+ if (!card)
+ return -ENOMEM;
+
+ chip = card->private_data;
+ chip->card = card;
+ chip->pci = pci;
+ chip->irq = -1;
+ chip->model = model;
+ spin_lock_init(&chip->reg_lock);
+ mutex_init(&chip->mutex);
+ INIT_WORK(&chip->spdif_input_bits_work,
+ oxygen_spdif_input_bits_changed);
+
+ err = pci_enable_device(pci);
+ if (err < 0)
+ goto err_card;
+
+ err = pci_request_regions(pci, model->chip);
+ if (err < 0) {
+ snd_printk(KERN_ERR "cannot reserve PCI resources\n");
+ goto err_pci_enable;
+ }
+
+ if (!(pci_resource_flags(pci, 0) & IORESOURCE_IO) ||
+ pci_resource_len(pci, 0) < 0x100) {
+ snd_printk(KERN_ERR "invalid PCI I/O range\n");
+ err = -ENXIO;
+ goto err_pci_regions;
+ }
+ chip->addr = pci_resource_start(pci, 0);
+
+ pci_set_master(pci);
+ snd_card_set_dev(card, &pci->dev);
+ card->private_free = oxygen_card_free;
+
+ oxygen_init(chip);
+ model->init(chip);
+
+ err = request_irq(pci->irq, oxygen_interrupt, IRQF_SHARED,
+ model->chip, chip);
+ if (err < 0) {
+ snd_printk(KERN_ERR "cannot grab interrupt %d\n", pci->irq);
+ goto err_card;
+ }
+ chip->irq = pci->irq;
+
+ strcpy(card->driver, model->chip);
+ strcpy(card->shortname, model->shortname);
+ sprintf(card->longname, "%s (rev %u) at %#lx, irq %i",
+ model->longname, chip->revision, chip->addr, chip->irq);
+ strcpy(card->mixername, model->chip);
+ snd_component_add(card, model->chip);
+
+ err = oxygen_pcm_init(chip);
+ if (err < 0)
+ goto err_card;
+
+ err = oxygen_mixer_init(chip);
+ if (err < 0)
+ goto err_card;
+
+ if (oxygen_read8(chip, OXYGEN_MISC) & OXYGEN_MISC_MIDI) {
+ err = snd_mpu401_uart_new(card, 0, MPU401_HW_CMIPCI,
+ chip->addr + OXYGEN_MPU401,
+ MPU401_INFO_INTEGRATED, 0, 0,
+ &chip->midi);
+ if (err < 0)
+ goto err_card;
+ }
+
+ oxygen_proc_init(chip);
+
+ spin_lock_irq(&chip->reg_lock);
+ chip->interrupt_mask |= OXYGEN_INT_SPDIF_IN_CHANGE;
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
+ spin_unlock_irq(&chip->reg_lock);
+
+ err = snd_card_register(card);
+ if (err < 0)
+ goto err_card;
+
+ pci_set_drvdata(pci, card);
+ return 0;
+
+err_pci_regions:
+ pci_release_regions(pci);
+err_pci_enable:
+ pci_disable_device(pci);
+err_card:
+ snd_card_free(card);
+ return err;
+}
+EXPORT_SYMBOL(oxygen_pci_probe);
+
+void __devexit oxygen_pci_remove(struct pci_dev *pci)
+{
+ snd_card_free(pci_get_drvdata(pci));
+ pci_set_drvdata(pci, NULL);
+}
+EXPORT_SYMBOL(oxygen_pci_remove);
--- /dev/null
+/*
+ * C-Media CMI8788 driver - mixer code
+ *
+ * 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
+ */
+
+#include <sound/driver.h>
+#include <linux/mutex.h>
+#include <sound/ac97_codec.h>
+#include <sound/asoundef.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include "oxygen.h"
+
+static int dac_volume_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ struct oxygen *chip = ctl->private_data;
+
+ info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ info->count = 8;
+ info->value.integer.min = chip->model->dac_minimum_volume;
+ info->value.integer.max = 0xff;
+ return 0;
+}
+
+static int dac_volume_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ unsigned int i;
+
+ mutex_lock(&chip->mutex);
+ for (i = 0; i < 8; ++i)
+ value->value.integer.value[i] = chip->dac_volume[i];
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int dac_volume_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ unsigned int i;
+ int changed;
+
+ changed = 0;
+ mutex_lock(&chip->mutex);
+ for (i = 0; i < 8; ++i)
+ if (value->value.integer.value[i] != chip->dac_volume[i]) {
+ chip->dac_volume[i] = value->value.integer.value[i];
+ changed = 1;
+ }
+ if (changed)
+ chip->model->update_dac_volume(chip);
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int dac_mute_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+
+ mutex_lock(&chip->mutex);
+ value->value.integer.value[0] = !chip->dac_mute;
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int dac_mute_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ int changed;
+
+ mutex_lock(&chip->mutex);
+ changed = !value->value.integer.value[0] != chip->dac_mute;
+ if (changed) {
+ chip->dac_mute = !value->value.integer.value[0];
+ chip->model->update_dac_mute(chip);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
+{
+ static const char *const names[3] = {
+ "Front", "Front+Rear", "Front+Rear+Side"
+ };
+ info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ info->count = 1;
+ info->value.enumerated.items = 3;
+ if (info->value.enumerated.item > 2)
+ info->value.enumerated.item = 2;
+ strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
+ return 0;
+}
+
+static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+
+ mutex_lock(&chip->mutex);
+ value->value.enumerated.item[0] = chip->dac_routing;
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+void oxygen_update_dac_routing(struct oxygen *chip)
+{
+ /*
+ * hardware channel order: front, side, center/lfe, rear
+ * ALSA channel order: front, rear, center/lfe, side
+ */
+ static const unsigned int reg_values[3] = {
+ 0x6c00, 0x2c00, 0x2000
+ };
+ unsigned int reg_value;
+
+ if ((oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
+ OXYGEN_PLAY_CHANNELS_MASK) == OXYGEN_PLAY_CHANNELS_2)
+ reg_value = reg_values[chip->dac_routing];
+ else
+ reg_value = 0x6c00;
+ oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value, 0xff00);
+}
+
+static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ int changed;
+
+ mutex_lock(&chip->mutex);
+ changed = value->value.enumerated.item[0] != chip->dac_routing;
+ if (changed) {
+ chip->dac_routing = min(value->value.enumerated.item[0], 2u);
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_update_dac_routing(chip);
+ spin_unlock_irq(&chip->reg_lock);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int spdif_switch_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+
+ mutex_lock(&chip->mutex);
+ value->value.integer.value[0] = chip->spdif_playback_enable;
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
+{
+ switch (oxygen_rate) {
+ case OXYGEN_RATE_32000:
+ return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
+ case OXYGEN_RATE_44100:
+ return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
+ default: /* OXYGEN_RATE_48000 */
+ return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
+ case OXYGEN_RATE_64000:
+ return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
+ case OXYGEN_RATE_88200:
+ return 0x8 << OXYGEN_SPDIF_CS_RATE_SHIFT;
+ case OXYGEN_RATE_96000:
+ return 0xa << OXYGEN_SPDIF_CS_RATE_SHIFT;
+ case OXYGEN_RATE_176400:
+ return 0xc << OXYGEN_SPDIF_CS_RATE_SHIFT;
+ case OXYGEN_RATE_192000:
+ return 0xe << OXYGEN_SPDIF_CS_RATE_SHIFT;
+ }
+}
+
+void oxygen_update_spdif_source(struct oxygen *chip)
+{
+ u32 old_control, new_control;
+ u16 old_routing, new_routing;
+ unsigned int oxygen_rate;
+
+ old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
+ old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
+ if (chip->pcm_active & (1 << PCM_SPDIF)) {
+ new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
+ new_routing = (old_routing & ~0x00e0) | 0x0000;
+ oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
+ & OXYGEN_I2S_RATE_MASK;
+ /* S/PDIF rate was already set by the caller */
+ } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
+ chip->spdif_playback_enable) {
+ new_routing = (old_routing & ~0x00e0) | 0x0020;
+ oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
+ & OXYGEN_I2S_RATE_MASK;
+ new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
+ (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
+ OXYGEN_SPDIF_OUT_ENABLE;
+ } else {
+ new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
+ new_routing = old_routing;
+ oxygen_rate = OXYGEN_RATE_44100;
+ }
+ if (old_routing != new_routing) {
+ oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
+ new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
+ oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
+ }
+ if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
+ oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
+ oxygen_spdif_rate(oxygen_rate) |
+ ((chip->pcm_active & (1 << PCM_SPDIF)) ?
+ chip->spdif_pcm_bits : chip->spdif_bits));
+ oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
+}
+
+static int spdif_switch_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ int changed;
+
+ mutex_lock(&chip->mutex);
+ changed = value->value.integer.value[0] != chip->spdif_playback_enable;
+ if (changed) {
+ chip->spdif_playback_enable = !!value->value.integer.value[0];
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_update_spdif_source(chip);
+ spin_unlock_irq(&chip->reg_lock);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
+{
+ info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ info->count = 1;
+ return 0;
+}
+
+static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
+{
+ value->value.iec958.status[0] =
+ bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
+ OXYGEN_SPDIF_PREEMPHASIS);
+ value->value.iec958.status[1] = /* category and original */
+ bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
+}
+
+static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
+{
+ u32 bits;
+
+ bits = value->value.iec958.status[0] &
+ (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
+ OXYGEN_SPDIF_PREEMPHASIS);
+ bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
+ if (bits & OXYGEN_SPDIF_NONAUDIO)
+ bits |= OXYGEN_SPDIF_V;
+ return bits;
+}
+
+static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
+{
+ oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
+ OXYGEN_SPDIF_NONAUDIO |
+ OXYGEN_SPDIF_C |
+ OXYGEN_SPDIF_PREEMPHASIS |
+ OXYGEN_SPDIF_CATEGORY_MASK |
+ OXYGEN_SPDIF_ORIGINAL |
+ OXYGEN_SPDIF_V);
+}
+
+static int spdif_default_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+
+ mutex_lock(&chip->mutex);
+ oxygen_to_iec958(chip->spdif_bits, value);
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int spdif_default_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ u32 new_bits;
+ int changed;
+
+ new_bits = iec958_to_oxygen(value);
+ mutex_lock(&chip->mutex);
+ changed = new_bits != chip->spdif_bits;
+ if (changed) {
+ chip->spdif_bits = new_bits;
+ if (!(chip->pcm_active & (1 << PCM_SPDIF)))
+ write_spdif_bits(chip, new_bits);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int spdif_mask_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
+ IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
+ value->value.iec958.status[1] =
+ IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
+ return 0;
+}
+
+static int spdif_pcm_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+
+ mutex_lock(&chip->mutex);
+ oxygen_to_iec958(chip->spdif_pcm_bits, value);
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int spdif_pcm_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ u32 new_bits;
+ int changed;
+
+ new_bits = iec958_to_oxygen(value);
+ mutex_lock(&chip->mutex);
+ changed = new_bits != chip->spdif_pcm_bits;
+ if (changed) {
+ chip->spdif_pcm_bits = new_bits;
+ if (chip->pcm_active & (1 << PCM_SPDIF))
+ write_spdif_bits(chip, new_bits);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int spdif_input_mask_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ value->value.iec958.status[0] = 0xff;
+ value->value.iec958.status[1] = 0xff;
+ value->value.iec958.status[2] = 0xff;
+ value->value.iec958.status[3] = 0xff;
+ return 0;
+}
+
+static int spdif_input_default_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ u32 bits;
+
+ bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
+ value->value.iec958.status[0] = bits;
+ value->value.iec958.status[1] = bits >> 8;
+ value->value.iec958.status[2] = bits >> 16;
+ value->value.iec958.status[3] = bits >> 24;
+ return 0;
+}
+
+static int ac97_switch_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ unsigned int index = ctl->private_value & 0xff;
+ unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
+ int invert = ctl->private_value & (1 << 16);
+ u16 reg;
+
+ mutex_lock(&chip->mutex);
+ reg = oxygen_read_ac97(chip, 0, index);
+ mutex_unlock(&chip->mutex);
+ if (!(reg & (1 << bitnr)) ^ !invert)
+ value->value.integer.value[0] = 1;
+ else
+ value->value.integer.value[0] = 0;
+ return 0;
+}
+
+static int ac97_switch_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ unsigned int index = ctl->private_value & 0xff;
+ unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
+ int invert = ctl->private_value & (1 << 16);
+ u16 oldreg, newreg;
+ int change;
+
+ mutex_lock(&chip->mutex);
+ oldreg = oxygen_read_ac97(chip, 0, index);
+ newreg = oldreg;
+ if (!value->value.integer.value[0] ^ !invert)
+ newreg |= 1 << bitnr;
+ else
+ newreg &= ~(1 << bitnr);
+ change = newreg != oldreg;
+ if (change) {
+ oxygen_write_ac97(chip, 0, index, newreg);
+ if (index == AC97_LINE)
+ oxygen_write_ac97_masked(chip, 0, 0x72,
+ !!(newreg & 0x8000), 0x0001);
+ }
+ mutex_unlock(&chip->mutex);
+ return change;
+}
+
+static int ac97_volume_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ info->count = 2;
+ info->value.integer.min = 0;
+ info->value.integer.max = 0x1f;
+ return 0;
+}
+
+static int ac97_volume_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ unsigned int index = ctl->private_value;
+ u16 reg;
+
+ mutex_lock(&chip->mutex);
+ reg = oxygen_read_ac97(chip, 0, index);
+ mutex_unlock(&chip->mutex);
+ value->value.integer.value[0] = 31 - (reg & 0x1f);
+ value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
+ return 0;
+}
+
+static int ac97_volume_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ unsigned int index = ctl->private_value;
+ u16 oldreg, newreg;
+ int change;
+
+ mutex_lock(&chip->mutex);
+ oldreg = oxygen_read_ac97(chip, 0, index);
+ newreg = oldreg;
+ newreg = (newreg & ~0x1f) |
+ (31 - (value->value.integer.value[0] & 0x1f));
+ newreg = (newreg & ~0x1f00) |
+ ((31 - (value->value.integer.value[0] & 0x1f)) << 8);
+ change = newreg != oldreg;
+ if (change)
+ oxygen_write_ac97(chip, 0, index, newreg);
+ mutex_unlock(&chip->mutex);
+ return change;
+}
+
+#define AC97_SWITCH(xname, index, bitnr, invert) { \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = xname, \
+ .info = snd_ctl_boolean_mono_info, \
+ .get = ac97_switch_get, \
+ .put = ac97_switch_put, \
+ .private_value = ((invert) << 16) | ((bitnr) << 8) | (index), \
+ }
+#define AC97_VOLUME(xname, index) { \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = xname, \
+ .info = ac97_volume_info, \
+ .get = ac97_volume_get, \
+ .put = ac97_volume_put, \
+ .tlv = { .p = ac97_db_scale, }, \
+ .private_value = (index), \
+ }
+
+static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
+
+static const struct snd_kcontrol_new controls[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "PCM Playback Volume",
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+ .info = dac_volume_info,
+ .get = dac_volume_get,
+ .put = dac_volume_put,
+ .tlv = {
+ .p = NULL, /* set later */
+ },
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "PCM Playback Switch",
+ .info = snd_ctl_boolean_mono_info,
+ .get = dac_mute_get,
+ .put = dac_mute_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Stereo Upmixing",
+ .info = upmix_info,
+ .get = upmix_get,
+ .put = upmix_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
+ .info = snd_ctl_boolean_mono_info,
+ .get = spdif_switch_get,
+ .put = spdif_switch_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .device = 1,
+ .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
+ .info = spdif_info,
+ .get = spdif_default_get,
+ .put = spdif_default_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .device = 1,
+ .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = spdif_info,
+ .get = spdif_mask_get,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .device = 1,
+ .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE,
+ .info = spdif_info,
+ .get = spdif_pcm_get,
+ .put = spdif_pcm_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .device = 1,
+ .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = spdif_info,
+ .get = spdif_input_mask_get,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .device = 1,
+ .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = spdif_info,
+ .get = spdif_input_default_get,
+ },
+ AC97_VOLUME("Mic Capture Volume", AC97_MIC),
+ AC97_SWITCH("Mic Capture Switch", AC97_MIC, 15, 1),
+ AC97_SWITCH("Mic Boost (+20dB)", AC97_MIC, 6, 0),
+ AC97_SWITCH("Line Capture Switch", AC97_LINE, 15, 1),
+ AC97_VOLUME("CD Capture Volume", AC97_CD),
+ AC97_SWITCH("CD Capture Switch", AC97_CD, 15, 1),
+ AC97_VOLUME("Aux Capture Volume", AC97_AUX),
+ AC97_SWITCH("Aux Capture Switch", AC97_AUX, 15, 1),
+};
+
+static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
+{
+ struct oxygen *chip = ctl->private_data;
+
+ /* I'm too lazy to write a function for each control :-) */
+ chip->spdif_pcm_ctl = NULL;
+ chip->spdif_input_bits_ctl = NULL;
+}
+
+int oxygen_mixer_init(struct oxygen *chip)
+{
+ unsigned int i;
+ struct snd_kcontrol *ctl;
+ int err;
+
+ for (i = 0; i < ARRAY_SIZE(controls); ++i) {
+ ctl = snd_ctl_new1(&controls[i], chip);
+ if (!ctl)
+ return -ENOMEM;
+ if (!strcmp(ctl->id.name, "PCM Playback Volume"))
+ ctl->tlv.p = chip->model->dac_tlv;
+ else if (chip->model->cd_in_from_video_in &&
+ !strncmp(ctl->id.name, "CD Capture ", 11))
+ ctl->private_value ^= AC97_CD ^ AC97_VIDEO;
+ err = snd_ctl_add(chip->card, ctl);
+ if (err < 0)
+ return err;
+ if (!strcmp(ctl->id.name,
+ SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM))) {
+ chip->spdif_pcm_ctl = ctl;
+ ctl->private_free = oxygen_any_ctl_free;
+ } else if (!strcmp(ctl->id.name,
+ SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT))) {
+ chip->spdif_input_bits_ctl = ctl;
+ ctl->private_free = oxygen_any_ctl_free;
+ }
+ }
+ return chip->model->mixer_init ? chip->model->mixer_init(chip) : 0;
+}
--- /dev/null
+/*
+ * C-Media CMI8788 driver - PCM code
+ *
+ * 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
+ */
+
+#include <sound/driver.h>
+#include <linux/pci.h>
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include "oxygen.h"
+
+static struct snd_pcm_hardware oxygen_hardware[PCM_COUNT] = {
+ [PCM_A] = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .rates = SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_96000 |
+ SNDRV_PCM_RATE_192000,
+ .rate_min = 44100,
+ .rate_max = 192000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = 256 * 1024,
+ .period_bytes_min = 128,
+ .period_bytes_max = 128 * 1024,
+ .periods_min = 2,
+ .periods_max = 2048,
+ },
+ [PCM_B] = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .rates = SNDRV_PCM_RATE_32000 |
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_64000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000 |
+ SNDRV_PCM_RATE_176400 |
+ SNDRV_PCM_RATE_192000,
+ .rate_min = 32000,
+ .rate_max = 192000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = 256 * 1024,
+ .period_bytes_min = 128,
+ .period_bytes_max = 128 * 1024,
+ .periods_min = 2,
+ .periods_max = 2048,
+ },
+ [PCM_C] = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .rates = SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000,
+ .rate_min = 44100,
+ .rate_max = 96000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = 256 * 1024,
+ .period_bytes_min = 128,
+ .period_bytes_max = 128 * 1024,
+ .periods_min = 2,
+ .periods_max = 2048,
+ },
+ [PCM_SPDIF] = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .rates = SNDRV_PCM_RATE_32000 |
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_64000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000 |
+ SNDRV_PCM_RATE_176400 |
+ SNDRV_PCM_RATE_192000,
+ .rate_min = 32000,
+ .rate_max = 192000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = 256 * 1024,
+ .period_bytes_min = 128,
+ .period_bytes_max = 128 * 1024,
+ .periods_min = 2,
+ .periods_max = 2048,
+ },
+ [PCM_MULTICH] = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .rates = SNDRV_PCM_RATE_32000 |
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_64000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000 |
+ SNDRV_PCM_RATE_176400 |
+ SNDRV_PCM_RATE_192000,
+ .rate_min = 32000,
+ .rate_max = 192000,
+ .channels_min = 2,
+ .channels_max = 8,
+ .buffer_bytes_max = 2048 * 1024,
+ .period_bytes_min = 128,
+ .period_bytes_max = 256 * 1024,
+ .periods_min = 2,
+ .periods_max = 16384,
+ },
+ [PCM_AC97] = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_48000,
+ .rate_min = 48000,
+ .rate_max = 48000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = 256 * 1024,
+ .period_bytes_min = 128,
+ .period_bytes_max = 128 * 1024,
+ .periods_min = 2,
+ .periods_max = 2048,
+ },
+};
+
+static int oxygen_open(struct snd_pcm_substream *substream,
+ unsigned int channel)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int err;
+
+ runtime->private_data = (void *)channel;
+ runtime->hw = oxygen_hardware[channel];
+ err = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32);
+ if (err < 0)
+ return err;
+ if (runtime->hw.formats & SNDRV_PCM_FMTBIT_S32_LE) {
+ err = snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
+ if (err < 0)
+ return err;
+ }
+ if (runtime->hw.channels_max > 2) {
+ err = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ 2);
+ if (err < 0)
+ return err;
+ }
+ snd_pcm_set_sync(substream);
+ chip->streams[channel] = substream;
+
+ mutex_lock(&chip->mutex);
+ chip->pcm_active |= 1 << channel;
+ if (channel == PCM_SPDIF) {
+ chip->spdif_pcm_bits = chip->spdif_bits;
+ chip->spdif_pcm_ctl->vd[0].access &=
+ ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO,
+ &chip->spdif_pcm_ctl->id);
+ }
+ mutex_unlock(&chip->mutex);
+
+ return 0;
+}
+
+static int oxygen_rec_a_open(struct snd_pcm_substream *substream)
+{
+ return oxygen_open(substream, PCM_A);
+}
+
+static int oxygen_rec_b_open(struct snd_pcm_substream *substream)
+{
+ return oxygen_open(substream, PCM_B);
+}
+
+static int oxygen_rec_c_open(struct snd_pcm_substream *substream)
+{
+ return oxygen_open(substream, PCM_C);
+}
+
+static int oxygen_spdif_open(struct snd_pcm_substream *substream)
+{
+ return oxygen_open(substream, PCM_SPDIF);
+}
+
+static int oxygen_multich_open(struct snd_pcm_substream *substream)
+{
+ return oxygen_open(substream, PCM_MULTICH);
+}
+
+static int oxygen_ac97_open(struct snd_pcm_substream *substream)
+{
+ return oxygen_open(substream, PCM_AC97);
+}
+
+static int oxygen_close(struct snd_pcm_substream *substream)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ unsigned int channel = (unsigned int)substream->runtime->private_data;
+
+ mutex_lock(&chip->mutex);
+ chip->pcm_active &= ~(1 << channel);
+ if (channel == PCM_SPDIF) {
+ chip->spdif_pcm_ctl->vd[0].access |=
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO,
+ &chip->spdif_pcm_ctl->id);
+ }
+ if (channel == PCM_SPDIF || channel == PCM_MULTICH)
+ oxygen_update_spdif_source(chip);
+ mutex_unlock(&chip->mutex);
+
+ chip->streams[channel] = NULL;
+ return 0;
+}
+
+static unsigned int oxygen_format(struct snd_pcm_hw_params *hw_params)
+{
+ if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE)
+ return OXYGEN_FORMAT_24;
+ else
+ return OXYGEN_FORMAT_16;
+}
+
+static unsigned int oxygen_rate(struct snd_pcm_hw_params *hw_params)
+{
+ switch (params_rate(hw_params)) {
+ case 32000:
+ return OXYGEN_RATE_32000;
+ case 44100:
+ return OXYGEN_RATE_44100;
+ default: /* 48000 */
+ return OXYGEN_RATE_48000;
+ case 64000:
+ return OXYGEN_RATE_64000;
+ case 88200:
+ return OXYGEN_RATE_88200;
+ case 96000:
+ return OXYGEN_RATE_96000;
+ case 176400:
+ return OXYGEN_RATE_176400;
+ case 192000:
+ return OXYGEN_RATE_192000;
+ }
+}
+
+static unsigned int oxygen_i2s_magic2(struct snd_pcm_hw_params *hw_params)
+{
+ return params_rate(hw_params) <= 96000 ? 0x10 : 0x00;
+}
+
+static unsigned int oxygen_i2s_format(struct snd_pcm_hw_params *hw_params)
+{
+ if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE)
+ return OXYGEN_I2S_FORMAT_24;
+ else
+ return OXYGEN_I2S_FORMAT_16;
+}
+
+static unsigned int oxygen_play_channels(struct snd_pcm_hw_params *hw_params)
+{
+ switch (params_channels(hw_params)) {
+ default: /* 2 */
+ return OXYGEN_PLAY_CHANNELS_2;
+ case 4:
+ return OXYGEN_PLAY_CHANNELS_4;
+ case 6:
+ return OXYGEN_PLAY_CHANNELS_6;
+ case 8:
+ return OXYGEN_PLAY_CHANNELS_8;
+ }
+}
+
+static const unsigned int channel_base_registers[PCM_COUNT] = {
+ [PCM_A] = OXYGEN_DMA_A_ADDRESS,
+ [PCM_B] = OXYGEN_DMA_B_ADDRESS,
+ [PCM_C] = OXYGEN_DMA_C_ADDRESS,
+ [PCM_SPDIF] = OXYGEN_DMA_SPDIF_ADDRESS,
+ [PCM_MULTICH] = OXYGEN_DMA_MULTICH_ADDRESS,
+ [PCM_AC97] = OXYGEN_DMA_AC97_ADDRESS,
+};
+
+static int oxygen_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ unsigned int channel = (unsigned int)substream->runtime->private_data;
+ int err;
+
+ err = snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(hw_params));
+ if (err < 0)
+ return err;
+
+ oxygen_write32(chip, channel_base_registers[channel],
+ (u32)substream->runtime->dma_addr);
+ if (channel == PCM_MULTICH) {
+ oxygen_write32(chip, OXYGEN_DMA_MULTICH_COUNT,
+ params_buffer_bytes(hw_params) / 4 - 1);
+ oxygen_write32(chip, OXYGEN_DMA_MULTICH_TCOUNT,
+ params_period_bytes(hw_params) / 4 - 1);
+ } else {
+ oxygen_write16(chip, channel_base_registers[channel] + 4,
+ params_buffer_bytes(hw_params) / 4 - 1);
+ oxygen_write16(chip, channel_base_registers[channel] + 6,
+ params_period_bytes(hw_params) / 4 - 1);
+ }
+ return 0;
+}
+
+static int oxygen_rec_a_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ int err;
+
+ err = oxygen_hw_params(substream, hw_params);
+ if (err < 0)
+ return err;
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
+ oxygen_format(hw_params) << OXYGEN_REC_FORMAT_A_SHIFT,
+ OXYGEN_REC_FORMAT_A_MASK);
+ oxygen_write8_masked(chip, OXYGEN_I2S_A_FORMAT,
+ oxygen_rate(hw_params) |
+ oxygen_i2s_magic2(hw_params) |
+ oxygen_i2s_format(hw_params),
+ OXYGEN_I2S_RATE_MASK |
+ OXYGEN_I2S_MAGIC2_MASK |
+ OXYGEN_I2S_FORMAT_MASK);
+ oxygen_clear_bits8(chip, OXYGEN_REC_ROUTING, 0x08);
+ spin_unlock_irq(&chip->reg_lock);
+
+ mutex_lock(&chip->mutex);
+ chip->model->set_adc_params(chip, hw_params);
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int oxygen_rec_b_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ int err;
+
+ err = oxygen_hw_params(substream, hw_params);
+ if (err < 0)
+ return err;
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
+ oxygen_format(hw_params) << OXYGEN_REC_FORMAT_B_SHIFT,
+ OXYGEN_REC_FORMAT_B_MASK);
+ oxygen_write8_masked(chip, OXYGEN_I2S_B_FORMAT,
+ oxygen_rate(hw_params) |
+ oxygen_i2s_magic2(hw_params) |
+ oxygen_i2s_format(hw_params),
+ OXYGEN_I2S_RATE_MASK |
+ OXYGEN_I2S_MAGIC2_MASK |
+ OXYGEN_I2S_FORMAT_MASK);
+ oxygen_clear_bits8(chip, OXYGEN_REC_ROUTING, 0x10);
+ spin_unlock_irq(&chip->reg_lock);
+
+ mutex_lock(&chip->mutex);
+ chip->model->set_adc_params(chip, hw_params);
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int oxygen_rec_c_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ int err;
+
+ err = oxygen_hw_params(substream, hw_params);
+ if (err < 0)
+ return err;
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
+ oxygen_format(hw_params) << OXYGEN_REC_FORMAT_C_SHIFT,
+ OXYGEN_REC_FORMAT_C_MASK);
+ oxygen_clear_bits8(chip, OXYGEN_REC_ROUTING, 0x20);
+ spin_unlock_irq(&chip->reg_lock);
+ return 0;
+}
+
+static int oxygen_spdif_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ int err;
+
+ err = oxygen_hw_params(substream, hw_params);
+ if (err < 0)
+ return err;
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
+ OXYGEN_SPDIF_OUT_ENABLE);
+ oxygen_write8_masked(chip, OXYGEN_PLAY_FORMAT,
+ oxygen_format(hw_params) << OXYGEN_SPDIF_FORMAT_SHIFT,
+ OXYGEN_SPDIF_FORMAT_MASK);
+ oxygen_write32_masked(chip, OXYGEN_SPDIF_CONTROL,
+ oxygen_rate(hw_params) << OXYGEN_SPDIF_OUT_RATE_SHIFT,
+ OXYGEN_SPDIF_OUT_RATE_MASK);
+ oxygen_update_spdif_source(chip);
+ spin_unlock_irq(&chip->reg_lock);
+ return 0;
+}
+
+static int oxygen_multich_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ int err;
+
+ err = oxygen_hw_params(substream, hw_params);
+ if (err < 0)
+ return err;
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_write8_masked(chip, OXYGEN_PLAY_CHANNELS,
+ oxygen_play_channels(hw_params),
+ OXYGEN_PLAY_CHANNELS_MASK);
+ oxygen_write8_masked(chip, OXYGEN_PLAY_FORMAT,
+ oxygen_format(hw_params) << OXYGEN_MULTICH_FORMAT_SHIFT,
+ OXYGEN_MULTICH_FORMAT_MASK);
+ oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT,
+ oxygen_rate(hw_params) | oxygen_i2s_format(hw_params),
+ OXYGEN_I2S_RATE_MASK | OXYGEN_I2S_FORMAT_MASK);
+ oxygen_clear_bits16(chip, OXYGEN_PLAY_ROUTING, 0x001f);
+ oxygen_update_dac_routing(chip);
+ oxygen_update_spdif_source(chip);
+ spin_unlock_irq(&chip->reg_lock);
+
+ mutex_lock(&chip->mutex);
+ chip->model->set_dac_params(chip, hw_params);
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int oxygen_ac97_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ int err;
+
+ err = oxygen_hw_params(substream, hw_params);
+ if (err < 0)
+ return err;
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_write8_masked(chip, OXYGEN_PLAY_FORMAT,
+ oxygen_format(hw_params) << OXYGEN_AC97_FORMAT_SHIFT,
+ OXYGEN_AC97_FORMAT_MASK);
+ spin_unlock_irq(&chip->reg_lock);
+ return 0;
+}
+
+static int oxygen_hw_free(struct snd_pcm_substream *substream)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ unsigned int channel = (unsigned int)substream->runtime->private_data;
+
+ spin_lock_irq(&chip->reg_lock);
+ chip->interrupt_mask &= ~(1 << channel);
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
+ spin_unlock_irq(&chip->reg_lock);
+
+ return snd_pcm_lib_free_pages(substream);
+}
+
+static int oxygen_spdif_hw_free(struct snd_pcm_substream *substream)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
+ OXYGEN_SPDIF_OUT_ENABLE);
+ spin_unlock_irq(&chip->reg_lock);
+ return oxygen_hw_free(substream);
+}
+
+static int oxygen_prepare(struct snd_pcm_substream *substream)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ unsigned int channel = (unsigned int)substream->runtime->private_data;
+ unsigned int channel_mask = 1 << channel;
+
+ spin_lock_irq(&chip->reg_lock);
+ oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
+ oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
+
+ chip->interrupt_mask |= channel_mask;
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
+ spin_unlock_irq(&chip->reg_lock);
+ return 0;
+}
+
+static int oxygen_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_substream *s;
+ unsigned int mask = 0;
+ int running;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ running = 0;
+ break;
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ running = 1;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (snd_pcm_substream_chip(s) == chip) {
+ mask |= 1 << (unsigned int)s->runtime->private_data;
+ snd_pcm_trigger_done(s, substream);
+ }
+ }
+
+ spin_lock(&chip->reg_lock);
+ if (running)
+ chip->pcm_running |= mask;
+ else
+ chip->pcm_running &= ~mask;
+ oxygen_write8(chip, OXYGEN_DMA_STATUS, chip->pcm_running);
+ spin_unlock(&chip->reg_lock);
+ return 0;
+}
+
+static snd_pcm_uframes_t oxygen_pointer(struct snd_pcm_substream *substream)
+{
+ struct oxygen *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ unsigned int channel = (unsigned int)runtime->private_data;
+ u32 curr_addr;
+
+ /* no spinlock, this read should be atomic */
+ curr_addr = oxygen_read32(chip, channel_base_registers[channel]);
+ return bytes_to_frames(runtime, curr_addr - (u32)runtime->dma_addr);
+}
+
+static struct snd_pcm_ops oxygen_rec_a_ops = {
+ .open = oxygen_rec_a_open,
+ .close = oxygen_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = oxygen_rec_a_hw_params,
+ .hw_free = oxygen_hw_free,
+ .prepare = oxygen_prepare,
+ .trigger = oxygen_trigger,
+ .pointer = oxygen_pointer,
+};
+
+static struct snd_pcm_ops oxygen_rec_b_ops = {
+ .open = oxygen_rec_b_open,
+ .close = oxygen_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = oxygen_rec_b_hw_params,
+ .hw_free = oxygen_hw_free,
+ .prepare = oxygen_prepare,
+ .trigger = oxygen_trigger,
+ .pointer = oxygen_pointer,
+};
+
+static struct snd_pcm_ops oxygen_rec_c_ops = {
+ .open = oxygen_rec_c_open,
+ .close = oxygen_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = oxygen_rec_c_hw_params,
+ .hw_free = oxygen_hw_free,
+ .prepare = oxygen_prepare,
+ .trigger = oxygen_trigger,
+ .pointer = oxygen_pointer,
+};
+
+static struct snd_pcm_ops oxygen_spdif_ops = {
+ .open = oxygen_spdif_open,
+ .close = oxygen_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = oxygen_spdif_hw_params,
+ .hw_free = oxygen_spdif_hw_free,
+ .prepare = oxygen_prepare,
+ .trigger = oxygen_trigger,
+ .pointer = oxygen_pointer,
+};
+
+static struct snd_pcm_ops oxygen_multich_ops = {
+ .open = oxygen_multich_open,
+ .close = oxygen_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = oxygen_multich_hw_params,
+ .hw_free = oxygen_hw_free,
+ .prepare = oxygen_prepare,
+ .trigger = oxygen_trigger,
+ .pointer = oxygen_pointer,
+};
+
+static struct snd_pcm_ops oxygen_ac97_ops = {
+ .open = oxygen_ac97_open,
+ .close = oxygen_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = oxygen_ac97_hw_params,
+ .hw_free = oxygen_hw_free,
+ .prepare = oxygen_prepare,
+ .trigger = oxygen_trigger,
+ .pointer = oxygen_pointer,
+};
+
+static void oxygen_pcm_free(struct snd_pcm *pcm)
+{
+ snd_pcm_lib_preallocate_free_for_all(pcm);
+}
+
+int __devinit oxygen_pcm_init(struct oxygen *chip)
+{
+ struct snd_pcm *pcm;
+ int err;
+
+ err = snd_pcm_new(chip->card, "Analog", 0, 1, 1, &pcm);
+ if (err < 0)
+ return err;
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &oxygen_multich_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
+ chip->model->record_from_dma_b ?
+ &oxygen_rec_b_ops : &oxygen_rec_a_ops);
+ pcm->private_data = chip;
+ pcm->private_free = oxygen_pcm_free;
+ strcpy(pcm->name, "Analog");
+ snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
+ SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->pci),
+ 512 * 1024, 2048 * 1024);
+ snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
+ SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->pci),
+ 128 * 1024, 256 * 1024);
+
+ err = snd_pcm_new(chip->card, "Digital", 1, 1, 1, &pcm);
+ if (err < 0)
+ return err;
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &oxygen_spdif_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &oxygen_rec_c_ops);
+ pcm->private_data = chip;
+ pcm->private_free = oxygen_pcm_free;
+ strcpy(pcm->name, "Digital");
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->pci),
+ 128 * 1024, 256 * 1024);
+
+ if (chip->has_2nd_ac97_codec) {
+ err = snd_pcm_new(chip->card, "AC97", 2, 1, 0, &pcm);
+ if (err < 0)
+ return err;
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &oxygen_ac97_ops);
+ pcm->private_data = chip;
+ pcm->private_free = oxygen_pcm_free;
+ strcpy(pcm->name, "Front Panel");
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->pci),
+ 128 * 1024, 256 * 1024);
+ }
+ return 0;
+}
--- /dev/null
+#ifndef OXYGEN_REGS_H_INCLUDED
+#define OXYGEN_REGS_H_INCLUDED
+
+/* recording channel A */
+#define OXYGEN_DMA_A_ADDRESS 0x00 /* 32-bit base address */
+#define OXYGEN_DMA_A_COUNT 0x04 /* buffer counter (dwords) */
+#define OXYGEN_DMA_A_TCOUNT 0x06 /* interrupt counter (dwords) */
+
+/* recording channel B */
+#define OXYGEN_DMA_B_ADDRESS 0x08
+#define OXYGEN_DMA_B_COUNT 0x0c
+#define OXYGEN_DMA_B_TCOUNT 0x0e
+
+/* recording channel C */
+#define OXYGEN_DMA_C_ADDRESS 0x10
+#define OXYGEN_DMA_C_COUNT 0x14
+#define OXYGEN_DMA_C_TCOUNT 0x16
+
+/* SPDIF playback channel */
+#define OXYGEN_DMA_SPDIF_ADDRESS 0x18
+#define OXYGEN_DMA_SPDIF_COUNT 0x1c
+#define OXYGEN_DMA_SPDIF_TCOUNT 0x1e
+
+/* multichannel playback channel */
+#define OXYGEN_DMA_MULTICH_ADDRESS 0x20
+#define OXYGEN_DMA_MULTICH_COUNT 0x24 /* 32 bits */
+#define OXYGEN_DMA_MULTICH_TCOUNT 0x28 /* 32 bits */
+
+/* AC'97 (front panel) playback channel */
+#define OXYGEN_DMA_AC97_ADDRESS 0x30
+#define OXYGEN_DMA_AC97_COUNT 0x34
+#define OXYGEN_DMA_AC97_TCOUNT 0x36
+
+/* all registers 0x00..0x36 return current position on read */
+
+#define OXYGEN_DMA_STATUS 0x40 /* 1 = running, 0 = stop */
+#define OXYGEN_CHANNEL_A 0x01
+#define OXYGEN_CHANNEL_B 0x02
+#define OXYGEN_CHANNEL_C 0x04
+#define OXYGEN_CHANNEL_SPDIF 0x08
+#define OXYGEN_CHANNEL_MULTICH 0x10
+#define OXYGEN_CHANNEL_AC97 0x20
+
+#define OXYGEN_DMA_RESET 0x42
+/* OXYGEN_CHANNEL_* */
+
+#define OXYGEN_PLAY_CHANNELS 0x43
+#define OXYGEN_PLAY_CHANNELS_MASK 0x03
+#define OXYGEN_PLAY_CHANNELS_2 0x00
+#define OXYGEN_PLAY_CHANNELS_4 0x01
+#define OXYGEN_PLAY_CHANNELS_6 0x02
+#define OXYGEN_PLAY_CHANNELS_8 0x03
+
+#define OXYGEN_INTERRUPT_MASK 0x44
+/* OXYGEN_CHANNEL_* */
+#define OXYGEN_INT_SPDIF_IN_CHANGE 0x0100
+#define OXYGEN_INT_GPIO 0x0800
+
+#define OXYGEN_INTERRUPT_STATUS 0x46
+/* OXYGEN_CHANNEL_* amd OXYGEN_INT_* */
+#define OXYGEN_INT_MIDI 0x1000
+
+#define OXYGEN_MISC 0x48
+#define OXYGEN_MISC_MAGIC 0x20
+#define OXYGEN_MISC_MIDI 0x40
+
+#define OXYGEN_REC_FORMAT 0x4a
+#define OXYGEN_REC_FORMAT_A_MASK 0x03
+#define OXYGEN_REC_FORMAT_A_SHIFT 0
+#define OXYGEN_REC_FORMAT_B_MASK 0x0c
+#define OXYGEN_REC_FORMAT_B_SHIFT 2
+#define OXYGEN_REC_FORMAT_C_MASK 0x30
+#define OXYGEN_REC_FORMAT_C_SHIFT 4
+#define OXYGEN_FORMAT_16 0x00
+#define OXYGEN_FORMAT_24 0x01
+#define OXYGEN_FORMAT_32 0x02
+
+#define OXYGEN_PLAY_FORMAT 0x4b
+#define OXYGEN_SPDIF_FORMAT_MASK 0x03
+#define OXYGEN_SPDIF_FORMAT_SHIFT 0
+#define OXYGEN_MULTICH_FORMAT_MASK 0x0c
+#define OXYGEN_MULTICH_FORMAT_SHIFT 2
+#define OXYGEN_AC97_FORMAT_MASK 0x30
+#define OXYGEN_AC97_FORMAT_SHIFT 4
+/* OXYGEN_FORMAT_* */
+
+#define OXYGEN_REC_CHANNELS 0x4c
+#define OXYGEN_REC_A_CHANNELS_MASK 0x07
+#define OXYGEN_REC_CHANNELS_2 0x00
+#define OXYGEN_REC_CHANNELS_4 0x01
+#define OXYGEN_REC_CHANNELS_6 0x03 /* or 0x02 */
+#define OXYGEN_REC_CHANNELS_8 0x04
+
+#define OXYGEN_FUNCTION 0x50
+#define OXYGEN_FUNCTION_RESET_CODEC 0x02
+#define OXYGEN_FUNCTION_ENABLE_SPI_4_5 0x80
+
+#define OXYGEN_I2S_MULTICH_FORMAT 0x60
+#define OXYGEN_I2S_RATE_MASK 0x0007
+#define OXYGEN_RATE_32000 0x0000
+#define OXYGEN_RATE_44100 0x0001
+#define OXYGEN_RATE_48000 0x0002
+#define OXYGEN_RATE_64000 0x0003
+#define OXYGEN_RATE_88200 0x0004
+#define OXYGEN_RATE_96000 0x0005
+#define OXYGEN_RATE_176400 0x0006
+#define OXYGEN_RATE_192000 0x0007
+#define OXYGEN_I2S_MAGIC1_MASK 0x0008
+#define OXYGEN_I2S_MAGIC2_MASK 0x0030
+#define OXYGEN_I2S_FORMAT_MASK 0x00c0
+#define OXYGEN_I2S_FORMAT_16 0x0000
+#define OXYGEN_I2S_FORMAT_20 0x0040
+#define OXYGEN_I2S_FORMAT_24 0x0080
+#define OXYGEN_I2S_FORMAT_32 0x00c0
+
+#define OXYGEN_I2S_A_FORMAT 0x62
+#define OXYGEN_I2S_B_FORMAT 0x64
+#define OXYGEN_I2S_C_FORMAT 0x66
+/* OXYGEN_I2S_RATE_* and OXYGEN_I2S_FORMAT_* */
+
+#define OXYGEN_SPDIF_CONTROL 0x70
+#define OXYGEN_SPDIF_OUT_ENABLE 0x00000002
+#define OXYGEN_SPDIF_LOOPBACK 0x00000004
+#define OXYGEN_SPDIF_MAGIC2 0x00000020
+#define OXYGEN_SPDIF_MAGIC3 0x00000040
+#define OXYGEN_SPDIF_IN_VALID 0x00001000
+#define OXYGEN_SPDIF_IN_CHANGE 0x00008000 /* r/wc */
+#define OXYGEN_SPDIF_IN_INVERT 0x00010000 /* ? */
+#define OXYGEN_SPDIF_OUT_RATE_MASK 0x07000000
+#define OXYGEN_SPDIF_OUT_RATE_SHIFT 24
+/* OXYGEN_RATE_* << OXYGEN_SPDIF_OUT_RATE_SHIFT */
+
+#define OXYGEN_SPDIF_OUTPUT_BITS 0x74
+#define OXYGEN_SPDIF_NONAUDIO 0x00000002
+#define OXYGEN_SPDIF_C 0x00000004
+#define OXYGEN_SPDIF_PREEMPHASIS 0x00000008
+#define OXYGEN_SPDIF_CATEGORY_MASK 0x000007f0
+#define OXYGEN_SPDIF_CATEGORY_SHIFT 4
+#define OXYGEN_SPDIF_ORIGINAL 0x00000800
+#define OXYGEN_SPDIF_CS_RATE_MASK 0x0000f000
+#define OXYGEN_SPDIF_CS_RATE_SHIFT 12
+#define OXYGEN_SPDIF_V 0x00010000 /* 0 = valid */
+
+#define OXYGEN_SPDIF_INPUT_BITS 0x78
+/* 32 bits, IEC958_AES_* */
+
+#define OXYGEN_2WIRE_CONTROL 0x90
+#define OXYGEN_2WIRE_DIR_MASK 0x01
+#define OXYGEN_2WIRE_DIR_WRITE 0x00 /* ? */
+#define OXYGEN_2WIRE_DIR_READ 0x01 /* ? */
+#define OXYGEN_2WIRE_ADDRESS_MASK 0xfe /* slave device address */
+#define OXYGEN_2WIRE_ADDRESS_SHIFT 1
+
+#define OXYGEN_2WIRE_MAP 0x91 /* address, 8 bits */
+#define OXYGEN_2WIRE_DATA 0x92 /* data, 16 bits */
+
+#define OXYGEN_2WIRE_BUS_STATUS 0x94
+#define OXYGEN_2WIRE_BUSY 0x01
+
+#define OXYGEN_SPI_CONTROL 0x98
+#define OXYGEN_SPI_BUSY 0x01 /* read */
+#define OXYGEN_SPI_TRIGGER_WRITE 0x01 /* write */
+#define OXYGEN_SPI_DATA_LENGTH_MASK 0x02
+#define OXYGEN_SPI_DATA_LENGTH_2 0x00
+#define OXYGEN_SPI_DATA_LENGTH_3 0x02
+#define OXYGEN_SPI_CODEC_MASK 0x70 /* 0..5 */
+#define OXYGEN_SPI_CODEC_SHIFT 4
+#define OXYGEN_SPI_MAGIC 0x80
+
+#define OXYGEN_SPI_DATA1 0x99
+#define OXYGEN_SPI_DATA2 0x9a
+#define OXYGEN_SPI_DATA3 0x9b
+
+#define OXYGEN_MPU401 0xa0
+
+#define OXYGEN_GPI_DATA 0xa4
+
+#define OXYGEN_GPI_INTERRUPT_MASK 0xa5
+
+#define OXYGEN_GPIO_DATA 0xa6
+
+#define OXYGEN_GPIO_CONTROL 0xa8
+/* 0: input, 1: output */
+
+#define OXYGEN_GPIO_INTERRUPT_MASK 0xaa
+
+#define OXYGEN_DEVICE_SENSE 0xac /* ? */
+
+#define OXYGEN_PLAY_ROUTING 0xc0
+#define OXYGEN_PLAY_DAC0_SOURCE_MASK 0x0300
+#define OXYGEN_PLAY_DAC1_SOURCE_MASK 0x0700
+#define OXYGEN_PLAY_DAC2_SOURCE_MASK 0x3000
+#define OXYGEN_PLAY_DAC3_SOURCE_MASK 0x7000
+
+#define OXYGEN_REC_ROUTING 0xc2
+
+#define OXYGEN_ADC_MONITOR 0xc3
+#define OXYGEN_ADC_MONITOR_MULTICH 0x01
+#define OXYGEN_ADC_MONITOR_AC97 0x04
+#define OXYGEN_ADC_MONITOR_SPDIF 0x10
+
+#define OXYGEN_A_MONITOR_ROUTING 0xc4
+
+#define OXYGEN_AC97_CONTROL 0xd0
+#define OXYGEN_AC97_RESET1 0x0001
+#define OXYGEN_AC97_RESET1_BUSY 0x0002
+#define OXYGEN_AC97_RESET2 0x0008
+#define OXYGEN_AC97_CODEC_0 0x0010
+#define OXYGEN_AC97_CODEC_1 0x0020
+
+#define OXYGEN_AC97_INTERRUPT_MASK 0xd2
+
+#define OXYGEN_AC97_INTERRUPT_STATUS 0xd3
+#define OXYGEN_AC97_READ_COMPLETE 0x01
+#define OXYGEN_AC97_WRITE_COMPLETE 0x02
+
+#define OXYGEN_AC97_OUT_CONFIG 0xd4
+#define OXYGEN_AC97_OUT_MAGIC1 0x00000011
+#define OXYGEN_AC97_OUT_MAGIC2 0x00000033
+#define OXYGEN_AC97_OUT_MAGIC3 0x0000ff00
+
+#define OXYGEN_AC97_IN_CONFIG 0xd8
+#define OXYGEN_AC97_IN_MAGIC1 0x00000011
+#define OXYGEN_AC97_IN_MAGIC2 0x00000033
+#define OXYGEN_AC97_IN_MAGIC3 0x00000300
+
+#define OXYGEN_AC97_REGS 0xdc
+#define OXYGEN_AC97_REG_DATA_MASK 0x0000ffff
+#define OXYGEN_AC97_REG_ADDR_MASK 0x007f0000
+#define OXYGEN_AC97_REG_ADDR_SHIFT 16
+#define OXYGEN_AC97_REG_DIR_MASK 0x00800000
+#define OXYGEN_AC97_REG_DIR_WRITE 0x00000000
+#define OXYGEN_AC97_REG_DIR_READ 0x00800000
+#define OXYGEN_AC97_REG_CODEC_MASK 0x01000000
+#define OXYGEN_AC97_REG_CODEC_SHIFT 24
+
+#define OXYGEN_DMA_FLUSH 0xe1
+/* OXYGEN_CHANNEL_* */
+
+#define OXYGEN_CODEC_VERSION 0xe4
+
+#define OXYGEN_REVISION 0xe6
+#define OXYGEN_REVISION_2 0x08 /* bit flag */
+#define OXYGEN_REVISION_8787 0x14 /* all 8 bits */
+
+#endif
projects / linux-2.6-omap-h63xx.git / commitdiff