--- /dev/null
+/*
+ * Driver for Digigram VX soundcards
+ *
+ * Hardware core part
+ *
+ * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __SOUND_VX_COMMON_H
+#define __SOUND_VX_COMMON_H
+
+#include <sound/pcm.h>
+#include <sound/hwdep.h>
+#include <linux/interrupt.h>
+
+struct firmware;
+struct device;
+
+#define VX_DRIVER_VERSION 0x010000 /* 1.0.0 */
+
+/*
+ */
+#define SIZE_MAX_CMD 0x10
+#define SIZE_MAX_STATUS 0x10
+
+struct vx_rmh {
+ u16 LgCmd; /* length of the command to send (WORDs) */
+ u16 LgStat; /* length of the status received (WORDs) */
+ u32 Cmd[SIZE_MAX_CMD];
+ u32 Stat[SIZE_MAX_STATUS];
+ u16 DspStat; /* status type, RMP_SSIZE_XXX */
+};
+
+typedef u64 pcx_time_t;
+
+#define VX_MAX_PIPES 16
+#define VX_MAX_PERIODS 32
+#define VX_MAX_CODECS 2
+
+struct vx_ibl_info {
+ int size; /* the current IBL size (0 = query) in bytes */
+ int max_size; /* max. IBL size in bytes */
+ int min_size; /* min. IBL size in bytes */
+ int granularity; /* granularity */
+};
+
+struct vx_pipe {
+ int number;
+ unsigned int is_capture: 1;
+ unsigned int data_mode: 1;
+ unsigned int running: 1;
+ unsigned int prepared: 1;
+ int channels;
+ unsigned int differed_type;
+ pcx_time_t pcx_time;
+ struct snd_pcm_substream *substream;
+
+ int hbuf_size; /* H-buffer size in bytes */
+ int buffer_bytes; /* the ALSA pcm buffer size in bytes */
+ int period_bytes; /* the ALSA pcm period size in bytes */
+ int hw_ptr; /* the current hardware pointer in bytes */
+ int position; /* the current position in frames (playback only) */
+ int transferred; /* the transferred size (per period) in frames */
+ int align; /* size of alignment */
+ u64 cur_count; /* current sample position (for playback) */
+
+ unsigned int references; /* an output pipe may be used for monitoring and/or playback */
+ struct vx_pipe *monitoring_pipe; /* pointer to the monitoring pipe (capture pipe only)*/
+};
+
+struct vx_core;
+
+struct snd_vx_ops {
+ /* low-level i/o */
+ unsigned char (*in8)(struct vx_core *chip, int reg);
+ unsigned int (*in32)(struct vx_core *chip, int reg);
+ void (*out8)(struct vx_core *chip, int reg, unsigned char val);
+ void (*out32)(struct vx_core *chip, int reg, unsigned int val);
+ /* irq */
+ int (*test_and_ack)(struct vx_core *chip);
+ void (*validate_irq)(struct vx_core *chip, int enable);
+ /* codec */
+ void (*write_codec)(struct vx_core *chip, int codec, unsigned int data);
+ void (*akm_write)(struct vx_core *chip, int reg, unsigned int data);
+ void (*reset_codec)(struct vx_core *chip);
+ void (*change_audio_source)(struct vx_core *chip, int src);
+ void (*set_clock_source)(struct vx_core *chp, int src);
+ /* chip init */
+ int (*load_dsp)(struct vx_core *chip, int idx, const struct firmware *fw);
+ void (*reset_dsp)(struct vx_core *chip);
+ void (*reset_board)(struct vx_core *chip, int cold_reset);
+ int (*add_controls)(struct vx_core *chip);
+ /* pcm */
+ void (*dma_write)(struct vx_core *chip, struct snd_pcm_runtime *runtime,
+ struct vx_pipe *pipe, int count);
+ void (*dma_read)(struct vx_core *chip, struct snd_pcm_runtime *runtime,
+ struct vx_pipe *pipe, int count);
+};
+
+struct snd_vx_hardware {
+ const char *name;
+ int type; /* VX_TYPE_XXX */
+
+ /* hardware specs */
+ unsigned int num_codecs;
+ unsigned int num_ins;
+ unsigned int num_outs;
+ unsigned int output_level_max;
+ const unsigned int *output_level_db_scale;
+};
+
+/* hwdep id string */
+#define SND_VX_HWDEP_ID "VX Loader"
+
+/* hardware type */
+enum {
+ /* VX222 PCI */
+ VX_TYPE_BOARD, /* old VX222 PCI */
+ VX_TYPE_V2, /* VX222 V2 PCI */
+ VX_TYPE_MIC, /* VX222 Mic PCI */
+ /* VX-pocket */
+ VX_TYPE_VXPOCKET, /* VXpocket V2 */
+ VX_TYPE_VXP440, /* VXpocket 440 */
+ VX_TYPE_NUMS
+};
+
+/* chip status */
+enum {
+ VX_STAT_XILINX_LOADED = (1 << 0), /* devices are registered */
+ VX_STAT_DEVICE_INIT = (1 << 1), /* devices are registered */
+ VX_STAT_CHIP_INIT = (1 << 2), /* all operational */
+ VX_STAT_IN_SUSPEND = (1 << 10), /* in suspend phase */
+ VX_STAT_IS_STALE = (1 << 15) /* device is stale */
+};
+
+/* min/max values for analog output for old codecs */
+#define VX_ANALOG_OUT_LEVEL_MAX 0xe3
+
+struct vx_core {
+ /* ALSA stuff */
+ struct snd_card *card;
+ struct snd_pcm *pcm[VX_MAX_CODECS];
+ int type; /* VX_TYPE_XXX */
+
+ int irq;
+ /* ports are defined externally */
+
+ /* low-level functions */
+ struct snd_vx_hardware *hw;
+ struct snd_vx_ops *ops;
+
+ struct mutex lock;
+
+ unsigned int chip_status;
+ unsigned int pcm_running;
+
+ struct device *dev;
+ struct snd_hwdep *hwdep;
+
+ struct vx_rmh irq_rmh; /* RMH used in interrupts */
+
+ unsigned int audio_info; /* see VX_AUDIO_INFO */
+ unsigned int audio_ins;
+ unsigned int audio_outs;
+ struct vx_pipe **playback_pipes;
+ struct vx_pipe **capture_pipes;
+
+ /* clock and audio sources */
+ unsigned int audio_source; /* current audio input source */
+ unsigned int audio_source_target;
+ unsigned int clock_mode; /* clock mode (VX_CLOCK_MODE_XXX) */
+ unsigned int clock_source; /* current clock source (INTERNAL_QUARTZ or UER_SYNC) */
+ unsigned int freq; /* current frequency */
+ unsigned int freq_detected; /* detected frequency from digital in */
+ unsigned int uer_detected; /* VX_UER_MODE_XXX */
+ unsigned int uer_bits; /* IEC958 status bits */
+ struct vx_ibl_info ibl; /* IBL information */
+
+ /* mixer setting */
+ int output_level[VX_MAX_CODECS][2]; /* analog output level */
+ int audio_gain[2][4]; /* digital audio level (playback/capture) */
+ unsigned char audio_active[4]; /* mute/unmute on digital playback */
+ int audio_monitor[4]; /* playback hw-monitor level */
+ unsigned char audio_monitor_active[4]; /* playback hw-monitor mute/unmute */
+
+ struct mutex mixer_mutex;
+
+ const struct firmware *firmware[4]; /* loaded firmware data */
+};
+
+
+/*
+ * constructor
+ */
+struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw,
+ struct snd_vx_ops *ops, int extra_size);
+int snd_vx_setup_firmware(struct vx_core *chip);
+int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp);
+int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp);
+int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp);
+
+void snd_vx_free_firmware(struct vx_core *chip);
+
+/*
+ * interrupt handler; exported for pcmcia
+ */
+irqreturn_t snd_vx_irq_handler(int irq, void *dev);
+irqreturn_t snd_vx_threaded_irq_handler(int irq, void *dev);
+
+/*
+ * lowlevel functions
+ */
+static inline int vx_test_and_ack(struct vx_core *chip)
+{
+ return chip->ops->test_and_ack(chip);
+}
+
+static inline void vx_validate_irq(struct vx_core *chip, int enable)
+{
+ chip->ops->validate_irq(chip, enable);
+}
+
+static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg)
+{
+ return chip->ops->in8(chip, reg);
+}
+
+static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg)
+{
+ return chip->ops->in32(chip, reg);
+}
+
+static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val)
+{
+ chip->ops->out8(chip, reg, val);
+}
+
+static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val)
+{
+ chip->ops->out32(chip, reg, val);
+}
+
+#define vx_inb(chip,reg) snd_vx_inb(chip, VX_##reg)
+#define vx_outb(chip,reg,val) snd_vx_outb(chip, VX_##reg,val)
+#define vx_inl(chip,reg) snd_vx_inl(chip, VX_##reg)
+#define vx_outl(chip,reg,val) snd_vx_outl(chip, VX_##reg,val)
+
+static inline void vx_reset_dsp(struct vx_core *chip)
+{
+ chip->ops->reset_dsp(chip);
+}
+
+int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh);
+int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh);
+int vx_send_rih(struct vx_core *chip, int cmd);
+int vx_send_rih_nolock(struct vx_core *chip, int cmd);
+
+void vx_reset_codec(struct vx_core *chip, int cold_reset);
+
+/*
+ * check the bit on the specified register
+ * returns zero if a bit matches, or a negative error code.
+ * exported for vxpocket driver
+ */
+int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time);
+#define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time)
+#define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)
+#define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL)
+
+
+/*
+ * pseudo-DMA transfer
+ */
+static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
+ struct vx_pipe *pipe, int count)
+{
+ chip->ops->dma_write(chip, runtime, pipe, count);
+}
+
+static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
+ struct vx_pipe *pipe, int count)
+{
+ chip->ops->dma_read(chip, runtime, pipe, count);
+}
+
+
+
+/* error with hardware code,
+ * the return value is -(VX_ERR_MASK | actual-hw-error-code)
+ */
+#define VX_ERR_MASK 0x1000000
+#define vx_get_error(err) (-(err) & ~VX_ERR_MASK)
+
+
+/*
+ * pcm stuff
+ */
+int snd_vx_pcm_new(struct vx_core *chip);
+void vx_pcm_update_intr(struct vx_core *chip, unsigned int events);
+
+/*
+ * mixer stuff
+ */
+int snd_vx_mixer_new(struct vx_core *chip);
+void vx_toggle_dac_mute(struct vx_core *chip, int mute);
+int vx_sync_audio_source(struct vx_core *chip);
+int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active);
+
+/*
+ * IEC958 & clock stuff
+ */
+void vx_set_iec958_status(struct vx_core *chip, unsigned int bits);
+int vx_set_clock(struct vx_core *chip, unsigned int freq);
+void vx_set_internal_clock(struct vx_core *chip, unsigned int freq);
+int vx_change_frequency(struct vx_core *chip);
+
+
+/*
+ * PM
+ */
+int snd_vx_suspend(struct vx_core *card);
+int snd_vx_resume(struct vx_core *card);
+
+/*
+ * hardware constants
+ */
+
+#define vx_has_new_dsp(chip) ((chip)->type != VX_TYPE_BOARD)
+#define vx_is_pcmcia(chip) ((chip)->type >= VX_TYPE_VXPOCKET)
+
+/* audio input source */
+enum {
+ VX_AUDIO_SRC_DIGITAL,
+ VX_AUDIO_SRC_LINE,
+ VX_AUDIO_SRC_MIC
+};
+
+/* clock source */
+enum {
+ INTERNAL_QUARTZ,
+ UER_SYNC
+};
+
+/* clock mode */
+enum {
+ VX_CLOCK_MODE_AUTO, /* depending on the current audio source */
+ VX_CLOCK_MODE_INTERNAL, /* fixed to internal quartz */
+ VX_CLOCK_MODE_EXTERNAL /* fixed to UER sync */
+};
+
+/* SPDIF/UER type */
+enum {
+ VX_UER_MODE_CONSUMER,
+ VX_UER_MODE_PROFESSIONAL,
+ VX_UER_MODE_NOT_PRESENT,
+};
+
+/* register indices */
+enum {
+ VX_ICR,
+ VX_CVR,
+ VX_ISR,
+ VX_IVR,
+ VX_RXH,
+ VX_TXH = VX_RXH,
+ VX_RXM,
+ VX_TXM = VX_RXM,
+ VX_RXL,
+ VX_TXL = VX_RXL,
+ VX_DMA,
+ VX_CDSP,
+ VX_RFREQ,
+ VX_RUER_V2,
+ VX_GAIN,
+ VX_DATA = VX_GAIN,
+ VX_MEMIRQ,
+ VX_ACQ,
+ VX_BIT0,
+ VX_BIT1,
+ VX_MIC0,
+ VX_MIC1,
+ VX_MIC2,
+ VX_MIC3,
+ VX_PLX0,
+ VX_PLX1,
+ VX_PLX2,
+
+ VX_LOFREQ, // V2: ACQ, VP: RFREQ
+ VX_HIFREQ, // V2: BIT0, VP: RUER_V2
+ VX_CSUER, // V2: BIT1, VP: BIT0
+ VX_RUER, // V2: RUER_V2, VP: BIT1
+
+ VX_REG_MAX,
+
+ /* aliases for VX board */
+ VX_RESET_DMA = VX_ISR,
+ VX_CFG = VX_RFREQ,
+ VX_STATUS = VX_MEMIRQ,
+ VX_SELMIC = VX_MIC0,
+ VX_COMPOT = VX_MIC1,
+ VX_SCOMPR = VX_MIC2,
+ VX_GLIMIT = VX_MIC3,
+ VX_INTCSR = VX_PLX0,
+ VX_CNTRL = VX_PLX1,
+ VX_GPIOC = VX_PLX2,
+
+ /* aliases for VXPOCKET board */
+ VX_MICRO = VX_MEMIRQ,
+ VX_CODEC2 = VX_MEMIRQ,
+ VX_DIALOG = VX_ACQ,
+
+};
+
+/* RMH status type */
+enum {
+ RMH_SSIZE_FIXED = 0, /* status size given by the driver (in LgStat) */
+ RMH_SSIZE_ARG = 1, /* status size given in the LSB byte */
+ RMH_SSIZE_MASK = 2, /* status size given in bitmask */
+};
+
+
+/* bits for ICR register */
+#define ICR_HF1 0x10
+#define ICR_HF0 0x08
+#define ICR_TREQ 0x02 /* Interrupt mode + HREQ set on for transfer (->DSP) request */
+#define ICR_RREQ 0x01 /* Interrupt mode + RREQ set on for transfer (->PC) request */
+
+/* bits for CVR register */
+#define CVR_HC 0x80
+
+/* bits for ISR register */
+#define ISR_HF3 0x10
+#define ISR_HF2 0x08
+#define ISR_CHK 0x10
+#define ISR_ERR 0x08
+#define ISR_TX_READY 0x04
+#define ISR_TX_EMPTY 0x02
+#define ISR_RX_FULL 0x01
+
+/* Constants used to access the DATA register */
+#define VX_DATA_CODEC_MASK 0x80
+#define VX_DATA_XICOR_MASK 0x80
+
+/* Constants used to access the CSUER register (both for VX2 and VXP) */
+#define VX_SUER_FREQ_MASK 0x0c
+#define VX_SUER_FREQ_32KHz_MASK 0x0c
+#define VX_SUER_FREQ_44KHz_MASK 0x00
+#define VX_SUER_FREQ_48KHz_MASK 0x04
+#define VX_SUER_DATA_PRESENT_MASK 0x02
+#define VX_SUER_CLOCK_PRESENT_MASK 0x01
+
+#define VX_CUER_HH_BITC_SEL_MASK 0x08
+#define VX_CUER_MH_BITC_SEL_MASK 0x04
+#define VX_CUER_ML_BITC_SEL_MASK 0x02
+#define VX_CUER_LL_BITC_SEL_MASK 0x01
+
+#define XX_UER_CBITS_OFFSET_MASK 0x1f
+
+
+/* bits for audio_info */
+#define VX_AUDIO_INFO_REAL_TIME (1<<0) /* real-time processing available */
+#define VX_AUDIO_INFO_OFFLINE (1<<1) /* offline processing available */
+#define VX_AUDIO_INFO_MPEG1 (1<<5)
+#define VX_AUDIO_INFO_MPEG2 (1<<6)
+#define VX_AUDIO_INFO_LINEAR_8 (1<<7)
+#define VX_AUDIO_INFO_LINEAR_16 (1<<8)
+#define VX_AUDIO_INFO_LINEAR_24 (1<<9)
+
+/* DSP Interrupt Request values */
+#define VXP_IRQ_OFFSET 0x40 /* add 0x40 offset for vxpocket and vx222/v2 */
+/* call with vx_send_irq_dsp() */
+#define IRQ_MESS_WRITE_END 0x30
+#define IRQ_MESS_WRITE_NEXT 0x32
+#define IRQ_MESS_READ_NEXT 0x34
+#define IRQ_MESS_READ_END 0x36
+#define IRQ_MESSAGE 0x38
+#define IRQ_RESET_CHK 0x3A
+#define IRQ_CONNECT_STREAM_NEXT 0x26
+#define IRQ_CONNECT_STREAM_END 0x28
+#define IRQ_PAUSE_START_CONNECT 0x2A
+#define IRQ_END_CONNECTION 0x2C
+
+/* Is there async. events pending ( IT Source Test ) */
+#define ASYNC_EVENTS_PENDING 0x008000
+#define HBUFFER_EVENTS_PENDING 0x004000 // Not always accurate
+#define NOTIF_EVENTS_PENDING 0x002000
+#define TIME_CODE_EVENT_PENDING 0x001000
+#define FREQUENCY_CHANGE_EVENT_PENDING 0x000800
+#define END_OF_BUFFER_EVENTS_PENDING 0x000400
+#define FATAL_DSP_ERROR 0xff0000
+
+/* Stream Format Header Defines */
+#define HEADER_FMT_BASE 0xFED00000
+#define HEADER_FMT_MONO 0x000000C0
+#define HEADER_FMT_INTEL 0x00008000
+#define HEADER_FMT_16BITS 0x00002000
+#define HEADER_FMT_24BITS 0x00004000
+#define HEADER_FMT_UPTO11 0x00000200 /* frequency is less or equ. to 11k.*/
+#define HEADER_FMT_UPTO32 0x00000100 /* frequency is over 11k and less then 32k.*/
+
+/* Constants used to access the Codec */
+#define XX_CODEC_SELECTOR 0x20
+/* codec commands */
+#define XX_CODEC_ADC_CONTROL_REGISTER 0x01
+#define XX_CODEC_DAC_CONTROL_REGISTER 0x02
+#define XX_CODEC_LEVEL_LEFT_REGISTER 0x03
+#define XX_CODEC_LEVEL_RIGHT_REGISTER 0x04
+#define XX_CODEC_PORT_MODE_REGISTER 0x05
+#define XX_CODEC_STATUS_REPORT_REGISTER 0x06
+#define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07
+
+/*
+ * Audio-level control values
+ */
+#define CVAL_M110DB 0x000 /* -110dB */
+#define CVAL_M99DB 0x02C
+#define CVAL_M21DB 0x163
+#define CVAL_M18DB 0x16F
+#define CVAL_M10DB 0x18F
+#define CVAL_0DB 0x1B7
+#define CVAL_18DB 0x1FF /* +18dB */
+#define CVAL_MAX 0x1FF
+
+#define AUDIO_IO_HAS_MUTE_LEVEL 0x400000
+#define AUDIO_IO_HAS_MUTE_MONITORING_1 0x200000
+#define AUDIO_IO_HAS_MUTE_MONITORING_2 0x100000
+#define VALID_AUDIO_IO_DIGITAL_LEVEL 0x01
+#define VALID_AUDIO_IO_MONITORING_LEVEL 0x02
+#define VALID_AUDIO_IO_MUTE_LEVEL 0x04
+#define VALID_AUDIO_IO_MUTE_MONITORING_1 0x08
+#define VALID_AUDIO_IO_MUTE_MONITORING_2 0x10
+
+
+#endif /* __SOUND_VX_COMMON_H */
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