Update of /cvsroot/alsa/alsa-driver/drivers/vx
In directory sc8-pr-cvs1:/tmp/cvs-serv4339/drivers/vx
Added Files:
.cvsignore Makefile vx_cmd.c vx_cmd.h vx_core.c vx_mixer.c
vx_pcm.c vx_uer.c
Log Message:
[Patch: vx-core-in-driver.dif]
- moved VXpocket/VX222 core part into drivers/vx directory.
- the common header vx_core.h in include directory.
- changed the vx-core entry using ops table.
- added vxp440.conf.
--- NEW FILE: .cvsignore ---
.depend
--- NEW FILE: Makefile ---
TOPDIR = ../..
include $(TOPDIR)/toplevel.config
include $(TOPDIR)/Makefile.conf
#
#
#
TOPDIR = $(MAINSRCDIR)
export-objs := vx_core.o
snd-vx-lib-objs := vx_core.o vx_pcm.o vx_mixer.o vx_cmd.o vx_uer.o
obj-$(CONFIG_SND_VXPOCKET) += snd-vx-lib.o
obj-$(CONFIG_SND_VXP440) += snd-vx-lib.o
obj-$(CONFIG_SND_VX222) += snd-vx-lib.o
include $(TOPDIR)/Rules.make
--- NEW FILE: vx_cmd.c ---
/* to be in alsa-driver-specfici code */
#define __NO_VERSION__
/*
* Driver for Digigram VX soundcards
*
* DSP commands
*
* Copyright (c) 2002 by Takashi Iwai <[EMAIL PROTECTED]>
*
* 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
*/
#include <sound/driver.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include "vx_core.h"
#include "vx_cmd.h"
/*
* Array of DSP commands
*/
struct vx_cmd_info vx_dsp_cmds[] = {
[CMD_VERSION] = { 0x010000, 2, RMH_SSIZE_FIXED, 1 },
[CMD_SUPPORTED] = { 0x020000, 1, RMH_SSIZE_FIXED, 2 },
[CMD_TEST_IT] = { 0x040000, 1, RMH_SSIZE_FIXED, 1 },
[CMD_SEND_IRQA] = { 0x070001, 1, RMH_SSIZE_FIXED, 0 },
[CMD_IBL] = { 0x080000, 1, RMH_SSIZE_FIXED, 4 },
[CMD_ASYNC] = { 0x0A0000, 1, RMH_SSIZE_ARG, 0 },
[CMD_RES_PIPE] = { 0x400000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_FREE_PIPE] = { 0x410000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_CONF_PIPE] = { 0x42A101, 2, RMH_SSIZE_FIXED, 0 },
[CMD_ABORT_CONF_PIPE] = { 0x42A100, 2, RMH_SSIZE_FIXED, 0 },
[CMD_PARAM_OUTPUT_PIPE] = { 0x43A000, 2, RMH_SSIZE_FIXED, 0 },
[CMD_STOP_PIPE] = { 0x470004, 1, RMH_SSIZE_FIXED, 0 },
[CMD_PIPE_STATE] = { 0x480000, 1, RMH_SSIZE_FIXED, 1 },
[CMD_PIPE_SPL_COUNT] = { 0x49A000, 2, RMH_SSIZE_FIXED, 2 },
[CMD_CAN_START_PIPE] = { 0x4b0000, 1, RMH_SSIZE_FIXED, 1 },
[CMD_SIZE_HBUFFER] = { 0x4C0000, 1, RMH_SSIZE_FIXED, 1 },
[CMD_START_STREAM] = { 0x80A000, 2, RMH_SSIZE_FIXED, 0 },
[CMD_START_ONE_STREAM] = { 0x800000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_PAUSE_STREAM] = { 0x81A000, 2, RMH_SSIZE_FIXED, 0 },
[CMD_PAUSE_ONE_STREAM] = { 0x810000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_STREAM_OUT_LEVEL_ADJUST] = { 0x828000, 2, RMH_SSIZE_FIXED, 0 },
[CMD_STOP_STREAM] = { 0x830000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_FORMAT_STREAM_OUT] = { 0x868000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_FORMAT_STREAM_IN] = { 0x878800, 1, RMH_SSIZE_FIXED, 0 },
[CMD_GET_STREAM_STATE] = { 0x890001, 2, RMH_SSIZE_FIXED, 1 },
[CMD_DROP_BYTES_AWAY] = { 0x8A8000, 2, RMH_SSIZE_FIXED, 0 },
[CMD_GET_REMAINING_BYTES] = { 0x8D0800, 1, RMH_SSIZE_FIXED, 2 },
[CMD_CONNECT_AUDIO] = { 0xC10000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_AUDIO_LEVEL_ADJUST] = { 0xC2A000, 3, RMH_SSIZE_FIXED, 0 },
[CMD_AUDIO_VU_PIC_METER] = { 0xC3A003, 2, RMH_SSIZE_FIXED, 1 },
[CMD_GET_AUDIO_LEVELS] = { 0xC4A000, 2, RMH_SSIZE_FIXED, 0 },
[CMD_GET_NOTIFY_EVENT] = { 0x4D0000, 1, RMH_SSIZE_ARG, 0 },
[CMD_INFO_NOTIFIED] = { 0x0B0000, 1, RMH_SSIZE_FIXED, 2 },
[CMD_ACCESS_IO_FCT] = { 0x098000, 1, RMH_SSIZE_ARG, 0 },
[CMD_STATUS_R_BUFFERS] = { 0x440000, 1, RMH_SSIZE_ARG, 0 },
[CMD_UPDATE_R_BUFFERS] = { 0x848000, 4, RMH_SSIZE_FIXED, 0 },
[CMD_LOAD_EFFECT_CONTEXT] = { 0x0c8000, 3, RMH_SSIZE_FIXED, 1 },
[CMD_EFFECT_ONE_PIPE] = { 0x458000, 0, RMH_SSIZE_FIXED, 0 },
[CMD_MODIFY_CLOCK] = { 0x0d0000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_STREAM1_OUT_SET_N_LEVELS] ={ 0x858000, 3, RMH_SSIZE_FIXED, 0 },
[CMD_PURGE_STREAM_DCMDS] = { 0x8b8000, 3, RMH_SSIZE_FIXED, 0 },
[CMD_NOTIFY_PIPE_TIME] = { 0x4e0000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_LOAD_EFFECT_CONTEXT_PACKET] = { 0x0c8000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_RELIC_R_BUFFER] = { 0x8e0800, 1, RMH_SSIZE_FIXED, 1 },
[CMD_RESYNC_AUDIO_INPUTS] = { 0x0e0000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_NOTIFY_STREAM_TIME] = { 0x8f0000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_STREAM_SAMPLE_COUNT] = { 0x900000, 1, RMH_SSIZE_FIXED, 2 },
[CMD_CONFIG_TIME_CODE] = { 0x050000, 2, RMH_SSIZE_FIXED, 0 },
[CMD_GET_TIME_CODE] = { 0x060000, 1, RMH_SSIZE_FIXED, 5 },
[CMD_MANAGE_SIGNAL] = { 0x0f0000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_PARAMETER_STREAM_OUT] = { 0x91A000, 3, RMH_SSIZE_FIXED, 0 },
[CMD_READ_BOARD_FREQ] = { 0x030000, 1, RMH_SSIZE_FIXED, 2 },
[CMD_GET_STREAM_LEVELS] = { 0x8c0000, 1, RMH_SSIZE_FIXED, 3 },
[CMD_PURGE_PIPE_DCMDS] = { 0x4f8000, 3, RMH_SSIZE_FIXED, 0 },
// [CMD_SET_STREAM_OUT_EFFECTS] = { 0x888000, 34, RMH_SSIZE_FIXED, 0 },
// [CMD_GET_STREAM_OUT_EFFECTS] = { 0x928000, 2, RMH_SSIZE_FIXED, 32 },
[CMD_CONNECT_MONITORING] = { 0xC00000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_STREAM2_OUT_SET_N_LEVELS] = { 0x938000, 3, RMH_SSIZE_FIXED, 0 },
[CMD_CANCEL_R_BUFFERS] = { 0x948000, 4, RMH_SSIZE_FIXED, 0 },
[CMD_NOTIFY_END_OF_BUFFER] = { 0x950000, 1, RMH_SSIZE_FIXED, 0 },
[CMD_GET_STREAM_VU_METER] = { 0x95A000, 2, RMH_SSIZE_ARG, 0 },
};
/**
* vx_init_rmh - initialize the RMH instance
* @rmh: the rmh pointer to be initialized
* @cmd: the rmh command to be set
*/
void vx_init_rmh(struct vx_rmh *rmh, unsigned int cmd)
{
snd_assert(cmd < CMD_LAST_INDEX, return);
rmh->LgCmd = vx_dsp_cmds[cmd].length;
rmh->LgStat = vx_dsp_cmds[cmd].st_length;
rmh->DspStat = vx_dsp_cmds[cmd].st_type;
rmh->Cmd[0] = vx_dsp_cmds[cmd].opcode;
}
--- NEW FILE: vx_cmd.h ---
/*
* Driver for Digigram VX soundcards
*
* Definitions of DSP commands
*
* Copyright (c) 2002 by Takashi Iwai <[EMAIL PROTECTED]>
*
* 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 __VX_CMD_H
#define __VX_CMD_H
enum {
CMD_VERSION,
CMD_SUPPORTED,
CMD_TEST_IT,
CMD_SEND_IRQA,
CMD_IBL,
CMD_ASYNC,
CMD_RES_PIPE,
CMD_FREE_PIPE,
CMD_CONF_PIPE,
CMD_ABORT_CONF_PIPE,
CMD_PARAM_OUTPUT_PIPE,
CMD_STOP_PIPE,
CMD_PIPE_STATE,
CMD_PIPE_SPL_COUNT,
CMD_CAN_START_PIPE,
CMD_SIZE_HBUFFER,
CMD_START_STREAM,
CMD_START_ONE_STREAM,
CMD_PAUSE_STREAM,
CMD_PAUSE_ONE_STREAM,
CMD_STREAM_OUT_LEVEL_ADJUST,
CMD_STOP_STREAM,
CMD_FORMAT_STREAM_OUT,
CMD_FORMAT_STREAM_IN,
CMD_GET_STREAM_STATE,
CMD_DROP_BYTES_AWAY,
CMD_GET_REMAINING_BYTES,
CMD_CONNECT_AUDIO,
CMD_AUDIO_LEVEL_ADJUST,
CMD_AUDIO_VU_PIC_METER,
CMD_GET_AUDIO_LEVELS,
CMD_GET_NOTIFY_EVENT,
CMD_INFO_NOTIFIED,
CMD_ACCESS_IO_FCT,
CMD_STATUS_R_BUFFERS,
CMD_UPDATE_R_BUFFERS,
CMD_LOAD_EFFECT_CONTEXT,
CMD_EFFECT_ONE_PIPE,
CMD_MODIFY_CLOCK,
CMD_STREAM1_OUT_SET_N_LEVELS,
CMD_PURGE_STREAM_DCMDS,
CMD_NOTIFY_PIPE_TIME,
CMD_LOAD_EFFECT_CONTEXT_PACKET,
CMD_RELIC_R_BUFFER,
CMD_RESYNC_AUDIO_INPUTS,
CMD_NOTIFY_STREAM_TIME,
CMD_STREAM_SAMPLE_COUNT,
CMD_CONFIG_TIME_CODE,
CMD_GET_TIME_CODE,
CMD_MANAGE_SIGNAL,
CMD_PARAMETER_STREAM_OUT,
CMD_READ_BOARD_FREQ,
CMD_GET_STREAM_LEVELS,
CMD_PURGE_PIPE_DCMDS,
// CMD_SET_STREAM_OUT_EFFECTS,
// CMD_GET_STREAM_OUT_EFFECTS,
CMD_CONNECT_MONITORING,
CMD_STREAM2_OUT_SET_N_LEVELS,
CMD_CANCEL_R_BUFFERS,
CMD_NOTIFY_END_OF_BUFFER,
CMD_GET_STREAM_VU_METER,
CMD_LAST_INDEX
};
struct vx_cmd_info {
unsigned int opcode; /* command word */
int length; /* command length (in words) */
int st_type; /* status type (RMH_SSIZE_XXX) */
int st_length; /* fixed length */
};
/* Family and code op of some DSP requests. */
#define CODE_OP_PIPE_TIME 0x004e0000
#define CODE_OP_START_STREAM 0x00800000
#define CODE_OP_PAUSE_STREAM 0x00810000
#define CODE_OP_OUT_STREAM_LEVEL 0x00820000
#define CODE_OP_UPDATE_R_BUFFERS 0x00840000
#define CODE_OP_OUT_STREAM1_LEVEL_CURVE 0x00850000
#define CODE_OP_OUT_STREAM2_LEVEL_CURVE 0x00930000
#define CODE_OP_OUT_STREAM_FORMAT 0x00860000
#define CODE_OP_STREAM_TIME 0x008f0000
#define CODE_OP_OUT_STREAM_EXTRAPARAMETER 0x00910000
#define CODE_OP_OUT_AUDIO_LEVEL 0x00c20000
#define NOTIFY_LAST_COMMAND 0x00400000
/* Values for a user delay */
#define DC_DIFFERED_DELAY (1<<BIT_DIFFERED_COMMAND)
#define DC_NOTIFY_DELAY (1<<BIT_NOTIFIED_COMMAND)
#define DC_HBUFFER_DELAY (1<<BIT_TIME_RELATIVE_TO_BUFFER)
#define DC_MULTIPLE_DELAY (1<<BIT_RESERVED)
#define DC_STREAM_TIME_DELAY (1<<BIT_STREAM_TIME)
#define DC_CANCELLED_DELAY (1<<BIT_CANCELLED_COMMAND)
/* Values for tiDelayed field in TIME_INFO structure,
* and for pbPause field in PLAY_BUFFER_INFO structure
*/
#define BIT_DIFFERED_COMMAND 0
#define BIT_NOTIFIED_COMMAND 1
#define BIT_TIME_RELATIVE_TO_BUFFER 2
#define BIT_RESERVED 3
#define BIT_STREAM_TIME 4
#define BIT_CANCELLED_COMMAND 5
/* Access to the "Size" field of the response of the CMD_GET_NOTIFY_EVENT request. */
#define GET_NOTIFY_EVENT_SIZE_FIELD_MASK 0x000000ff
/* DSP commands general masks */
#define OPCODE_MASK 0x00ff0000
#define DSP_DIFFERED_COMMAND_MASK 0x0000C000
/* Notifications (NOTIFY_INFO) */
#define ALL_CMDS_NOTIFIED 0x0000 // reserved
#define START_STREAM_NOTIFIED 0x0001
#define PAUSE_STREAM_NOTIFIED 0x0002
#define OUT_STREAM_LEVEL_NOTIFIED 0x0003
#define OUT_STREAM_PARAMETER_NOTIFIED 0x0004 // left for backward compatibility
#define OUT_STREAM_FORMAT_NOTIFIED 0x0004
#define PIPE_TIME_NOTIFIED 0x0005
#define OUT_AUDIO_LEVEL_NOTIFIED 0x0006
#define OUT_STREAM_LEVEL_CURVE_NOTIFIED 0x0007
#define STREAM_TIME_NOTIFIED 0x0008
#define OUT_STREAM_EXTRAPARAMETER_NOTIFIED 0x0009
#define UNKNOWN_COMMAND_NOTIFIED 0xffff
/* Output pipe parameters setting */
#define MASK_VALID_PIPE_MPEG_PARAM 0x000040
#define MASK_VALID_PIPE_BACKWARD_PARAM 0x000020
#define MASK_SET_PIPE_MPEG_PARAM 0x000002
#define MASK_SET_PIPE_BACKWARD_PARAM 0x000001
#define MASK_DSP_WORD 0x00FFFFFF
#define MASK_ALL_STREAM 0x00FFFFFF
#define MASK_DSP_WORD_LEVEL 0x000001FF
#define MASK_FIRST_FIELD 0x0000001F
#define FIELD_SIZE 5
#define COMMAND_RECORD_MASK 0x000800
/* PipeManagement definition bits (PIPE_DECL_INFO) */
#define P_UNDERRUN_SKIP_SOUND_MASK 0x01
#define P_PREPARE_FOR_MPEG3_MASK 0x02
#define P_DO_NOT_RESET_ANALOG_LEVELS 0x04
#define P_ALLOW_UNDER_ALLOCATION_MASK 0x08
#define P_DATA_MODE_MASK 0x10
#define P_ASIO_BUFFER_MANAGEMENT_MASK 0x20
#define BIT_SKIP_SOUND 0x08 // bit 3
#define BIT_DATA_MODE 0x10 // bit 4
/* Bits in the CMD_MODIFY_CLOCK request. */
#define CMD_MODIFY_CLOCK_FD_BIT 0x00000001
#define CMD_MODIFY_CLOCK_T_BIT 0x00000002
#define CMD_MODIFY_CLOCK_S_BIT 0x00000004
/* Access to the results of the CMD_GET_TIME_CODE RMH. */
#define TIME_CODE_V_MASK 0x00800000
#define TIME_CODE_N_MASK 0x00400000
#define TIME_CODE_B_MASK 0x00200000
#define TIME_CODE_W_MASK 0x00100000
/* Values for the CMD_MANAGE_SIGNAL RMH. */
#define MANAGE_SIGNAL_TIME_CODE 0x01
#define MANAGE_SIGNAL_MIDI 0x02
/* Values for the CMD_CONFIG_TIME_CODE RMH. */
#define CONFIG_TIME_CODE_CANCEL 0x00001000
/* Mask to get only the effective time from the
* high word out of the 2 returned by the DSP
*/
#define PCX_TIME_HI_MASK 0x000fffff
/* Values for setting a H-Buffer time */
#define HBUFFER_TIME_HIGH 0x00200000
#define HBUFFER_TIME_LOW 0x00000000
#define NOTIFY_MASK_TIME_HIGH 0x00400000
#define MULTIPLE_MASK_TIME_HIGH 0x00100000
#define STREAM_MASK_TIME_HIGH 0x00800000
/*
*
*/
extern struct vx_cmd_info vx_dsp_cmds[];
void vx_init_rmh(struct vx_rmh *rmh, unsigned int cmd);
/**
* vx_send_pipe_cmd_params - fill first command word for pipe commands
* @rmh: the rmh to be modified
* @is_capture: 0 = playback, 1 = capture operation
* @param1: first pipe-parameter
* @param2: second pipe-parameter
*/
static inline void vx_set_pipe_cmd_params(struct vx_rmh *rmh, int is_capture,
int param1, int param2)
{
if (is_capture)
rmh->Cmd[0] |= COMMAND_RECORD_MASK;
rmh->Cmd[0] |= (((u32)param1 & MASK_FIRST_FIELD) << FIELD_SIZE) &
MASK_DSP_WORD;
if (param2)
rmh->Cmd[0] |= ((u32)param2 & MASK_FIRST_FIELD) & MASK_DSP_WORD;
}
/**
* vx_set_stream_cmd_params - fill first command word for stream commands
* @rmh: the rmh to be modified
* @is_capture: 0 = playback, 1 = capture operation
* @pipe: the pipe index (zero-based)
*/
static inline void vx_set_stream_cmd_params(struct vx_rmh *rmh, int is_capture, int
pipe)
{
if (is_capture)
rmh->Cmd[0] |= COMMAND_RECORD_MASK;
rmh->Cmd[0] |= (((u32)pipe & MASK_FIRST_FIELD) << FIELD_SIZE) & MASK_DSP_WORD;
}
#endif /* __VX_CMD_H */
--- NEW FILE: vx_core.c ---
/* to be in alsa-driver-specfici code */
#include <linux/config.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
#define spin_lock_bh spin_lock
#define spin_unlock_bh spin_unlock
#endif
#define __NO_VERSION__
/*
* Driver for Digigram VX soundcards
*
* Hardware core part
*
* Copyright (c) 2002 by Takashi Iwai <[EMAIL PROTECTED]>
*
* 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
*/
#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/asoundef.h>
#include <sound/info.h>
#include <asm/io.h>
#include "vx_core.h"
#include "vx_cmd.h"
MODULE_AUTHOR("Takashi Iwai <[EMAIL PROTECTED]>");
MODULE_DESCRIPTION("Common routines for Digigram VX drivers");
MODULE_LICENSE("GPL");
/*
* snd_vx_delay - delay for the specified time
* @xmsec: the time to delay in msec
*/
void snd_vx_delay(vx_core_t *chip, int xmsec)
{
if (! chip->in_suspend && ! in_interrupt() &&
xmsec >= 1000 / HZ) {
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((xmsec * HZ + 999) / 1000);
} else {
mdelay(xmsec);
}
}
/*
* vx_check_reg_bit - wait for the specified bit is set/reset on a register
* @reg: register to check
* @mask: bit mask
* @bit: resultant bit to be checked
* @time: time-out of loop in msec
*
* returns zero if a bit matches, or a negative error code.
*/
int snd_vx_check_reg_bit(vx_core_t *chip, int reg, int mask, int bit, int time)
{
long end_time = jiffies + (time * HZ + 999) / 1000;
static char *reg_names[VX_REG_MAX] = {
"ICR", "CVR", "ISR", "IVR", "RXH", "RXM", "RXL",
"DMA", "CDSP", "RFREQ", "RUER/V2", "DATA", "MEMIRQ",
"ACQ", "BIT0", "BIT1", "MIC0", "MIC1", "MIC2",
"MIC3", "INTCSR", "CNTRL", "GPIOC",
"LOFREQ", "HIFREQ", "CSUER", "RUER"
};
do {
if ((snd_vx_inb(chip, reg) & mask) == bit)
return 0;
//snd_vx_delay(chip, 10);
} while (time_after_eq(end_time, jiffies));
snd_printd(KERN_DEBUG "vx_check_reg_bit: timeout, reg=%s, mask=0x%x,
val=0x%x\n", reg_names[reg], mask, snd_vx_inb(chip, reg));
return -EIO;
}
/*
* vx_send_irq_dsp - set command irq bit
* @num: the requested IRQ type, IRQ_XXX
*
* this triggers the specified IRQ request
* returns 0 if successful, or a negative error code.
*
*/
static int vx_send_irq_dsp(vx_core_t *chip, int num)
{
int nirq;
/* wait for Hc = 0 */
if (snd_vx_check_reg_bit(chip, VX_CVR, CVR_HC, 0, 200) < 0)
return -EIO;
nirq = num;
if (chip->type >= VX_TYPE_VXPOCKET)
nirq += VXP_IRQ_OFFSET;
vx_outb(chip, CVR, (nirq >> 1) | CVR_HC);
return 0;
}
/*
* vx_reset_chk - reset CHK bit on ISR
*
* returns 0 if successful, or a negative error code.
*/
static int vx_reset_chk(vx_core_t *chip)
{
/* Reset irq CHK */
if (vx_send_irq_dsp(chip, IRQ_RESET_CHK) < 0)
return -EIO;
/* Wait until CHK = 0 */
if (vx_check_isr(chip, ISR_CHK, 0, 200) < 0)
return -EIO;
return 0;
}
/*
* vx_transfer_end - terminate message transfer
* @cmd: IRQ message to send (IRQ_MESS_XXX_END)
*
* returns 0 if successful, or a negative error code.
* the error code can be VX-specific, retrieved via vx_get_error().
* NB: call with spinlock held!
*/
static int vx_transfer_end(vx_core_t *chip, int cmd)
{
int err;
if ((err = vx_reset_chk(chip)) < 0)
return err;
/* irq MESS_READ/WRITE_END */
if ((err = vx_send_irq_dsp(chip, cmd)) < 0)
return err;
/* Wait CHK = 1 */
if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0)
return err;
/* If error, Read RX */
if ((err = vx_inb(chip, ISR)) & ISR_ERR) {
if ((err = vx_wait_for_rx_full(chip)) < 0) {
snd_printd(KERN_DEBUG "transfer_end: error in rx_full\n");
return err;
}
err = vx_inb(chip, RXH) << 16;
err |= vx_inb(chip, RXM) << 8;
err |= vx_inb(chip, RXL);
snd_printd(KERN_DEBUG "transfer_end: error = 0x%x\n", err);
return -(VX_ERR_MASK | err);
}
return 0;
}
/*
* vx_read_status - return the status rmh
* @rmh: rmh record to store the status
*
* returns 0 if successful, or a negative error code.
* the error code can be VX-specific, retrieved via vx_get_error().
* NB: call with spinlock held!
*/
static int vx_read_status(vx_core_t *chip, struct vx_rmh *rmh)
{
int i, err, val, size;
/* no read necessary? */
if (rmh->DspStat == RMH_SSIZE_FIXED && rmh->LgStat == 0)
return 0;
/* Wait for RX full (with timeout protection)
* The first word of status is in RX
*/
err = vx_wait_for_rx_full(chip);
if (err < 0)
return err;
/* Read RX */
val = vx_inb(chip, RXH) << 16;
val |= vx_inb(chip, RXM) << 8;
val |= vx_inb(chip, RXL);
/* If status given by DSP, let's decode its size */
switch (rmh->DspStat) {
case RMH_SSIZE_ARG:
size = val & 0xff;
rmh->Stat[0] = val & 0xffff00;
rmh->LgStat = size + 1;
break;
case RMH_SSIZE_MASK:
/* Let's count the arg numbers from a mask */
rmh->Stat[0] = val;
size = 0;
while (val) {
if (val & 0x01)
size++;
val >>= 1;
}
rmh->LgStat = size + 1;
break;
default:
/* else retrieve the status length given by the driver */
size = rmh->LgStat;
rmh->Stat[0] = val; /* Val is the status 1st word */
size--; /* hence adjust remaining length */
break;
}
if (size < 1)
return 0;
snd_assert(size <= SIZE_MAX_STATUS, return -EINVAL);
for (i = 1; i <= size; i++) {
/* trigger an irq MESS_WRITE_NEXT */
err = vx_send_irq_dsp(chip, IRQ_MESS_WRITE_NEXT);
if (err < 0)
return err;
/* Wait for RX full (with timeout protection) */
err = vx_wait_for_rx_full(chip);
if (err < 0)
return err;
rmh->Stat[i] = vx_inb(chip, RXH) << 16;
rmh->Stat[i] |= vx_inb(chip, RXM) << 8;
rmh->Stat[i] |= vx_inb(chip, RXL);
}
return vx_transfer_end(chip, IRQ_MESS_WRITE_END);
}
#define MASK_MORE_THAN_1_WORD_COMMAND 0x00008000
#define MASK_1_WORD_COMMAND 0x00ff7fff
/*
* vx_send_msg_nolock - send a DSP message and read back the status
* @rmh: the rmh record to send and receive
*
* returns 0 if successful, or a negative error code.
* the error code can be VX-specific, retrieved via vx_get_error().
*
* this function doesn't call spinlock at all.
*/
int vx_send_msg_nolock(vx_core_t *chip, struct vx_rmh *rmh)
{
int i, err;
if (chip->is_stale)
return -EBUSY;
if ((err = vx_reset_chk(chip)) < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: vx_reset_chk error\n");
return err;
}
#if 0
printk(KERN_DEBUG "rmh: cmd = 0x%06x, length = %d, stype = %d\n",
rmh->Cmd[0], rmh->LgCmd, rmh->DspStat);
if (rmh->LgCmd > 1) {
printk(KERN_DEBUG " ");
for (i = 1; i < rmh->LgCmd; i++)
printk("0x%06x ", rmh->Cmd[i]);
printk("\n");
}
#endif
/* Check bit M is set according to length of the command */
if (rmh->LgCmd > 1)
rmh->Cmd[0] |= MASK_MORE_THAN_1_WORD_COMMAND;
else
rmh->Cmd[0] &= MASK_1_WORD_COMMAND;
/* Wait for TX empty */
if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: wait tx empty error\n");
return err;
}
/* Write Cmd[0] */
vx_outb(chip, TXH, (rmh->Cmd[0] >> 16) & 0xff);
vx_outb(chip, TXM, (rmh->Cmd[0] >> 8) & 0xff);
vx_outb(chip, TXL, rmh->Cmd[0] & 0xff);
/* Trigger irq MESSAGE */
if ((err = vx_send_irq_dsp(chip, IRQ_MESSAGE)) < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: send IRQ_MESSAGE error\n");
return err;
}
/* Wait for CHK = 1 */
if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0)
return err;
/* If error, get error value from RX */
if (vx_inb(chip, ISR) & ISR_ERR) {
if ((err = vx_wait_for_rx_full(chip)) < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: rx_full read error\n");
return err;
}
err = vx_inb(chip, RXH) << 16;
err |= vx_inb(chip, RXM) << 8;
err |= vx_inb(chip, RXL);
snd_printd(KERN_DEBUG "msg got error = 0x%x at cmd[0]\n", err);
err = -(VX_ERR_MASK | err);
return err;
}
/* Send the other words */
if (rmh->LgCmd > 1) {
for (i = 1; i < rmh->LgCmd; i++) {
/* Wait for TX ready */
if ((err = vx_wait_isr_bit(chip, ISR_TX_READY)) < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: tx_ready error\n");
return err;
}
/* Write Cmd[i] */
vx_outb(chip, TXH, (rmh->Cmd[i] >> 16) & 0xff);
vx_outb(chip, TXM, (rmh->Cmd[i] >> 8) & 0xff);
vx_outb(chip, TXL, rmh->Cmd[i] & 0xff);
/* Trigger irq MESS_READ_NEXT */
if ((err = vx_send_irq_dsp(chip, IRQ_MESS_READ_NEXT)) < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: IRQ_READ_NEXT
error\n");
return err;
}
}
/* Wait for TX empty */
if ((err = vx_wait_isr_bit(chip, ISR_TX_READY)) < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: TX_READY error\n");
return err;
}
/* End of transfer */
err = vx_transfer_end(chip, IRQ_MESS_READ_END);
if (err < 0)
return err;
}
return vx_read_status(chip, rmh);
}
/*
* vx_send_msg - send a DSP message with spinlock
* @rmh: the rmh record to send and receive
*
* returns 0 if successful, or a negative error code.
* see vx_send_msg_nolock().
*/
int vx_send_msg(vx_core_t *chip, struct vx_rmh *rmh)
{
int err;
spin_lock_bh(&chip->lock);
err = vx_send_msg_nolock(chip, rmh);
spin_unlock_bh(&chip->lock);
return err;
}
/*
* vx_send_rih_nolock - send an RIH to xilinx
* @cmd: the command to send
*
* returns 0 if successful, or a negative error code.
* the error code can be VX-specific, retrieved via vx_get_error().
*
* this function doesn't call spinlock at all.
*
* unlike RMH, no command is sent to DSP.
*/
int vx_send_rih_nolock(vx_core_t *chip, int cmd)
{
int err;
if (chip->is_stale)
return -EBUSY;
#if 0
printk(KERN_DEBUG "send_rih: cmd = 0x%x\n", cmd);
#endif
if ((err = vx_reset_chk(chip)) < 0)
return err;
/* send the IRQ */
if ((err = vx_send_irq_dsp(chip, cmd)) < 0)
return err;
/* Wait CHK = 1 */
if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0)
return err;
/* If error, read RX */
if (vx_inb(chip, ISR) & ISR_ERR) {
if ((err = vx_wait_for_rx_full(chip)) < 0)
return err;
err = vx_inb(chip, RXH) << 16;
err |= vx_inb(chip, RXM) << 8;
err |= vx_inb(chip, RXL);
return -(VX_ERR_MASK | err);
}
return 0;
}
/*
* vx_send_rih - send an RIH with spinlock
* @cmd: the command to send
*
* see vx_send_rih_nolock().
*/
int vx_send_rih(vx_core_t *chip, int cmd)
{
int err;
spin_lock_bh(&chip->lock);
err = vx_send_rih_nolock(chip, cmd);
spin_unlock_bh(&chip->lock);
return err;
}
#define END_OF_RESET_WAIT_TIME 200 /* ms */
/**
* snd_vx_boot_xilinx - boot up the xilinx interface
* @boot: the boot record to load
*/
int snd_vx_load_boot_image(vx_core_t *chip, const struct snd_vx_image *boot)
{
int c, i;
int no_fillup = chip->type != VX_TYPE_BOARD;
snd_printdd(KERN_DEBUG "loading boot: size = %d\n", boot->length);
/* check the length of boot image */
snd_assert(boot->length % 3 == 0, return -EINVAL);
c = ((u32)boot->image[0] << 16) | ((u32)boot->image[1] << 8) | boot->image[2];
snd_assert(boot->length == (c + 2) * 3, return -EINVAL);
/* reset dsp */
vx_reset_dsp(chip);
snd_vx_delay(chip, END_OF_RESET_WAIT_TIME); /* another wait? */
/* download boot strap */
for (i = 0; i < 0x600; i += 3) {
if (i >= boot->length) {
if (no_fillup)
break;
if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0)
return -EIO;
vx_outb(chip, TXH, 0);
vx_outb(chip, TXM, 0);
vx_outb(chip, TXL, 0);
} else {
if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0)
return -EIO;
vx_outb(chip, TXH, boot->image[i]);
vx_outb(chip, TXM, boot->image[i+1]);
vx_outb(chip, TXL, boot->image[i+2]);
}
}
return 0;
}
/*
* vx_load_dsp - load the DSP image
*/
static int vx_load_dsp(vx_core_t *chip)
{
const struct snd_vx_image *dsp = &chip->hw->dsp;
int i, err;
unsigned int csum = 0;
unsigned char *cptr;
snd_assert(dsp->length % 3 == 0, return -EINVAL);
vx_toggle_dac_mute(chip, 1);
if ((err = snd_vx_load_boot_image(chip, &chip->hw->dsp_boot)) < 0)
return err;
snd_vx_delay(chip, 10);
snd_printdd(KERN_DEBUG "loading dsp: size = %d\n", dsp->length);
/* Transfert data buffer from PC to DSP */
cptr = dsp->image;
for (i = 0; i < dsp->length; i += 3) {
/* Wait DSP ready for a new read */
if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0)
return err;
csum ^= *cptr;
csum = (csum >> 24) | (csum << 8);
vx_outb(chip, TXH, *cptr++);
csum ^= *cptr;
csum = (csum >> 24) | (csum << 8);
vx_outb(chip, TXM, *cptr++);
csum ^= *cptr;
csum = (csum >> 24) | (csum << 8);
vx_outb(chip, TXL, *cptr++);
}
snd_printdd(KERN_DEBUG "checksum = 0x%08x\n", csum);
snd_vx_delay(chip, 200);
err = vx_wait_isr_bit(chip, ISR_CHK);
vx_toggle_dac_mute(chip, 0);
return err;
}
/*
* vx_test_irq_src - query the source of interrupts
*
* called from irq handler only
*/
static int vx_test_irq_src(vx_core_t *chip, int *ret)
{
int err;
vx_init_rmh(&chip->irq_rmh, CMD_TEST_IT);
spin_lock(&chip->lock);
err = vx_send_msg_nolock(chip, &chip->irq_rmh);
if (err < 0)
*ret = 0;
else
*ret = chip->irq_rmh.Stat[0];
spin_unlock(&chip->lock);
return err;
}
/*
* vx_interrupt - soft irq handler
*/
static void vx_interrupt(unsigned long private_data)
{
vx_core_t *chip = snd_magic_cast(vx_core_t, (void*)private_data, return);
int i, events;
vx_pipe_t *pipe;
if (chip->is_stale)
return;
if (vx_test_irq_src(chip, &events) < 0)
return;
// printk(KERN_DEBUG "IRQ events = 0x%x\n", events);
/* We must prevent any application using this DSP
* and block any further request until the application
* either unregisters or reloads the DSP
*/
if (events & FATAL_DSP_ERROR) {
snd_printk(KERN_ERR "vx_core: fatal DSP error!!\n");
return;
}
/* The start on time code conditions are filled (ie the time code
* received by the board is equal to one of those given to it).
*/
if (events & TIME_CODE_EVENT_PENDING)
;
/* The frequency has changed on the board (UER mode). */
if (events & FREQUENCY_CHANGE_EVENT_PENDING)
vx_change_frequency(chip);
/* update the pcm pointers as frequently as possible */
for (i = 0; i < chip->audio_outs; i++) {
pipe = chip->playback_pipes[i];
if (pipe && pipe->substream) {
vx_pcm_playback_update_buffer(chip, pipe->substream, pipe);
vx_pcm_playback_update(chip, pipe->substream, pipe);
}
}
for (i = 0; i < chip->audio_ins; i++) {
pipe = chip->capture_pipes[i];
if (pipe && pipe->substream)
vx_pcm_capture_update(chip, pipe->substream, pipe);
}
}
/**
* snd_vx_irq_handler - interrupt handler
*/
void snd_vx_irq_handler(int irq, void *dev, struct pt_regs *regs)
{
vx_core_t *chip = snd_magic_cast(vx_core_t, dev, return);
if (! chip->initialized || chip->is_stale)
return;
if (! vx_test_and_ack(chip))
tasklet_hi_schedule(&chip->tq);
}
/*
*/
static void vx_reset_board(vx_core_t *chip)
{
snd_assert(chip->ops->reset_board, return);
chip->audio_source = VX_AUDIO_SRC_LINE;
chip->audio_source_target = chip->audio_source;
chip->clock_source = INTERNAL_QUARTZ;
chip->freq = 48000;
chip->uer_detected = VX_UER_MODE_NOT_PRESENT;
chip->ops->reset_board(chip);
vx_reset_codec(chip);
vx_set_internal_clock(chip, 48000);
/* Reset the DSP */
vx_reset_dsp(chip);
/* Acknowledge any pending IRQ and reset the MEMIRQ flag. */
vx_test_and_ack(chip);
vx_validate_irq(chip, 1);
/* init CBits */
chip->uer_bits = SNDRV_PCM_DEFAULT_CON_SPDIF;
vx_set_iec958_status(chip, SNDRV_PCM_DEFAULT_CON_SPDIF);
}
/*
* proc interface
*/
static void vx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
{
vx_core_t *chip = snd_magic_cast(vx_core_t, entry->private_data, return);
static char *audio_src_vxp[] = { "Line", "Mic", "Digital" };
static char *audio_src_vx2[] = { "Analog", "Analog", "Digital" };
static char *clock_src[] = { "Internal", "External" };
static char *uer_type[] = { "Consumer", "Professional", "Not Present" };
snd_iprintf(buffer, "%s\n", chip->card->longname);
snd_iprintf(buffer, "DSP audio info:");
if (chip->audio_info & VX_AUDIO_INFO_REAL_TIME)
snd_iprintf(buffer, " realtime");
if (chip->audio_info & VX_AUDIO_INFO_OFFLINE)
snd_iprintf(buffer, " offline");
if (chip->audio_info & VX_AUDIO_INFO_MPEG1)
snd_iprintf(buffer, " mpeg1");
if (chip->audio_info & VX_AUDIO_INFO_MPEG2)
snd_iprintf(buffer, " mpeg2");
if (chip->audio_info & VX_AUDIO_INFO_LINEAR_8)
snd_iprintf(buffer, " linear8");
if (chip->audio_info & VX_AUDIO_INFO_LINEAR_16)
snd_iprintf(buffer, " linear16");
if (chip->audio_info & VX_AUDIO_INFO_LINEAR_24)
snd_iprintf(buffer, " linear24");
snd_iprintf(buffer, "\n");
snd_iprintf(buffer, "Input Source: %s\n", chip->type >= VX_TYPE_VXPOCKET ?
audio_src_vxp[chip->audio_source] :
audio_src_vx2[chip->audio_source]);
snd_iprintf(buffer, "Clock Source: %s\n", clock_src[chip->clock_source]);
snd_iprintf(buffer, "Frequency: %d\n", chip->freq);
snd_iprintf(buffer, "Detected Frequency: %d\n", chip->freq_detected);
snd_iprintf(buffer, "Detected UER type: %s\n", uer_type[chip->uer_detected]);
}
static void vx_proc_init(vx_core_t *chip)
{
snd_info_entry_t *entry;
if (! snd_card_proc_new(chip->card, "vx-status", &entry))
snd_info_set_text_ops(entry, chip, vx_proc_read);
}
/*
* snd_vxpocket_init - initialize VXpocket hardware
*/
int snd_vx_init(vx_core_t *chip)
{
int err;
snd_assert(chip->ops->load_xilinx &&
chip->ops->test_xilinx, return -ENXIO);
if ((err = chip->ops->load_xilinx(chip)) < 0)
return err;
if ((err = chip->ops->test_xilinx(chip)) < 0)
return err;
vx_reset_board(chip);
vx_validate_irq(chip, 0);
if ((err = vx_load_dsp(chip)) < 0)
return err;
vx_test_and_ack(chip);
vx_validate_irq(chip, 1);
return 0;
}
/**
* snd_vx_create - constructor for vx_core_t
* @hw: hardware specific record
*
* this function allocates the instance and prepare for the hardware
* initialization, which will be done via snd_vxpocket_assign_resources().
*
* return the instance pointer if successful, NULL in error.
*/
vx_core_t *snd_vx_create(snd_card_t *card, struct snd_vx_hardware *hw,
struct snd_vx_ops *ops,
int extra_size)
{
vx_core_t *chip;
snd_assert(card && hw && ops, return NULL);
chip = snd_magic_kcalloc(vx_core_t, extra_size, GFP_KERNEL);
if (! chip) {
snd_printk(KERN_ERR "vxpocket: no memory\n");
return NULL;
}
spin_lock_init(&chip->lock);
spin_lock_init(&chip->irq_lock);
chip->irq = -1;
chip->hw = hw;
chip->type = hw->type;
chip->ops = ops;
tasklet_init(&chip->tq, vx_interrupt, (unsigned long)chip);
chip->card = card;
card->private_data = chip;
strcpy(card->driver, hw->name);
sprintf(card->shortname, "Digigram %s", hw->name);
vx_proc_init(chip);
return chip;
}
#ifdef CONFIG_PM
/*
* suspend
*/
void snd_vx_suspend(vx_core_t *chip)
{
int i;
chip->in_suspend = 1;
for (i = 0; i < chip->hw->num_codecs; i++)
snd_pcm_suspend_all(chip->pcm[i]);
}
/*
* resume
*/
void snd_vx_resume(vx_core_t *chip)
{
snd_vx_init(chip);
/* FIXME: resume mixer config */
chip->in_suspend = 0;
}
#endif
/*
* module entries
*/
static int __init alsa_vx_core_init(void)
{
return 0;
}
static void __exit alsa_vx_core_exit(void)
{
}
module_init(alsa_vx_core_init)
module_exit(alsa_vx_core_exit)
/*
* exports
*/
EXPORT_SYMBOL(snd_vx_check_reg_bit);
EXPORT_SYMBOL(snd_vx_create);
EXPORT_SYMBOL(snd_vx_init);
EXPORT_SYMBOL(snd_vx_irq_handler);
EXPORT_SYMBOL(snd_vx_pcm_new);
EXPORT_SYMBOL(snd_vx_mixer_new);
EXPORT_SYMBOL(snd_vx_delay);
EXPORT_SYMBOL(snd_vx_load_boot_image);
#ifdef CONFIG_PM
EXPORT_SYMBOL(snd_vx_suspend);
EXPORT_SYMBOL(snd_vx_resume);
#endif
--- NEW FILE: vx_mixer.c ---
/* to be in alsa-driver-specfici code */
#define __NO_VERSION__
/*
* Driver for Digigram VX soundcards
*
* Common mixer part
*
* Copyright (c) 2002 by Takashi Iwai <[EMAIL PROTECTED]>
*
* 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
*/
#include <sound/driver.h>
#include <sound/core.h>
#include <sound/control.h>
#include "vx_core.h"
#include "vx_cmd.h"
#define chip_t vx_core_t
/*
* write a codec data (24bit)
*/
static void vx_write_codec_reg(vx_core_t *chip, int codec, unsigned int data)
{
unsigned long flags;
if (chip->is_stale)
return;
spin_lock_irqsave(&chip->lock, flags);
chip->ops->write_codec(chip, codec, data);
spin_unlock_irqrestore(&chip->lock, flags);
}
/*
* Data type used to access the Codec
*/
typedef union {
u32 l;
#ifdef SNDRV_BIG_ENDIAN
struct w {
u16 h;
u16 l;
} w;
struct b {
u8 hh;
u8 mh;
u8 ml;
u8 ll;
} b;
#else /* LITTLE_ENDIAN */
struct w {
u16 l;
u16 h;
} w;
struct b {
u8 ll;
u8 ml;
u8 mh;
u8 hh;
} b;
#endif
} vx_codec_data_t;
#define SET_CDC_DATA_SEL(di,s) ((di).b.mh = (u8) (s))
#define SET_CDC_DATA_REG(di,r) ((di).b.ml = (u8) (r))
#define SET_CDC_DATA_VAL(di,d) ((di).b.ll = (u8) (d))
#define SET_CDC_DATA_INIT(di) ((di).l = 0L,
SET_CDC_DATA_SEL(di,XX_CODEC_SELECTOR))
/*
* set up codec register and write the value
* @codec: the codec id, 0 or 1
* @reg: register index
* @val: data value
*/
static void vx_set_codec_reg(vx_core_t *chip, int codec, int reg, int val)
{
vx_codec_data_t data;
/* DAC control register */
SET_CDC_DATA_INIT(data);
SET_CDC_DATA_REG(data, reg);
SET_CDC_DATA_VAL(data, val);
vx_write_codec_reg(chip, codec, data.l);
}
#define ANALOG_OUT_ATTEN_MIN 0x00
#define ANALOG_OUT_ATTEN_MAX 0xe3
/*
* vx_set_analog_output_level - set the output attenuation level
* @codec: the output codec, 0 or 1. (1 for VXP440 only)
* @left: left attenuation level, 0 = 0 dB, 0xe3 = -113.5 dB
* @right: right attenuation level
*/
static void vx_set_analog_output_level(vx_core_t *chip, int codec, int left, int right)
{
vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_LEFT_REGISTER, left);
vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
}
/*
* vx_toggle_dac_mute - mute/unmute DAC
* @mute: 0 = unmute, 1 = mute
*/
#define DAC_ATTEN_MIN 0x08
#define DAC_ATTEN_MAX 0x38
void vx_toggle_dac_mute(vx_core_t *chip, int mute)
{
int i;
for (i = 0; i < chip->hw->num_codecs; i++)
vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER,
mute ? DAC_ATTEN_MAX : DAC_ATTEN_MIN);
}
/*
* vx_reset_codec - reset and initialize the codecs
*/
void vx_reset_codec(vx_core_t *chip)
{
int i;
int port = chip->type >= VX_TYPE_VXPOCKET ? 0x75 : 0x65;
chip->ops->reset_codec(chip);
for (i = 0; i < chip->hw->num_codecs; i++) {
/* DAC control register (change level when zero crossing + mute) */
vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER,
DAC_ATTEN_MAX);
/* ADC control register */
vx_set_codec_reg(chip, i, XX_CODEC_ADC_CONTROL_REGISTER, 0x00);
/* Port mode register */
vx_set_codec_reg(chip, i, XX_CODEC_PORT_MODE_REGISTER, port);
/* Clock control register */
vx_set_codec_reg(chip, i, XX_CODEC_CLOCK_CONTROL_REGISTER, 0x00);
}
/* mute analog output */
for (i = 0; i < chip->hw->num_codecs; i++) {
chip->output_level[i][0] = ANALOG_OUT_ATTEN_MAX;
chip->output_level[i][1] = ANALOG_OUT_ATTEN_MAX;
vx_set_analog_output_level(chip, i,
ANALOG_OUT_ATTEN_MAX,
ANALOG_OUT_ATTEN_MAX);
}
}
/*
* change the audio input source
* @src: the target source (VX_AUDIO_SRC_XXX)
*/
static void vx_change_audio_source(vx_core_t *chip, int src)
{
unsigned long flags;
if (chip->is_stale)
return;
spin_lock_irqsave(&chip->lock, flags);
chip->ops->change_audio_source(chip, src);
spin_unlock_irqrestore(&chip->lock, flags);
}
/*
* change the audio source if necessary and possible
* returns 1 if the source is actually changed.
*/
int vx_sync_audio_source(vx_core_t *chip)
{
if (chip->audio_source_target == chip->audio_source ||
chip->pcm_running)
return 0;
vx_change_audio_source(chip, chip->audio_source_target);
chip->audio_source = chip->audio_source_target;
return 1;
}
/*
* audio level, mute, monitoring
*/
struct vx_audio_level {
unsigned int has_level: 1;
unsigned int has_monitor_level: 1;
unsigned int has_mute: 1;
unsigned int has_monitor_mute: 1;
unsigned int mute;
unsigned int monitor_mute;
short level;
short monitor_level;
};
static int vx_adjust_audio_level(vx_core_t *chip, int audio, int capture,
struct vx_audio_level *info)
{
struct vx_rmh rmh;
if (chip->is_stale)
return -EBUSY;
vx_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
if (capture)
rmh.Cmd[0] |= COMMAND_RECORD_MASK;
/* Add Audio IO mask */
rmh.Cmd[1] = 1 << audio;
rmh.Cmd[2] = 0;
if (info->has_level) {
rmh.Cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL;
rmh.Cmd[2] |= info->level;
}
if (info->has_monitor_level) {
rmh.Cmd[0] |= VALID_AUDIO_IO_MONITORING_LEVEL;
rmh.Cmd[2] |= ((unsigned int)info->monitor_level << 10);
}
if (info->has_mute) {
rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_LEVEL;
if (info->mute)
rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_LEVEL;
}
if (info->has_monitor_mute) {
rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_MONITORING_1;
if (info->monitor_mute)
rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_MONITORING_1;
}
return vx_send_msg(chip, &rmh);
}
#if 0 // not used
static int vx_read_audio_level(vx_core_t *chip, int audio, int capture,
struct vx_audio_level *info)
{
int err;
struct vx_rmh rmh;
memset(info, 0, sizeof(*info));
vx_init_rmh(&rmh, CMD_GET_AUDIO_LEVELS);
if (capture)
rmh.Cmd[0] |= COMMAND_RECORD_MASK;
/* Add Audio IO mask */
rmh.Cmd[1] = 1 << audio;
err = vx_send_msg(chip, &rmh);
if (err < 0)
return err;
info.level = rmh.Stat[0] & MASK_DSP_WORD_LEVEL;
info.monitor_level = (rmh.Stat[0] >> 10) & MASK_DSP_WORD_LEVEL;
info.mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_LEVEL) ? 1 : 0;
info.monitor_mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_MONITORING_1) ? 1 : 0;
return 0;
}
#endif
/*
* set the monitoring level and mute state of the given audio
*/
static int vx_set_monitor_level(vx_core_t *chip, int audio, int level, int active)
{
struct vx_audio_level info;
memset(&info, 0, sizeof(info));
info.has_monitor_level = 1;
info.monitor_level = level;
info.has_monitor_mute = 1;
info.monitor_mute = !active;
chip->audio_monitor[audio] = level;
chip->audio_monitor_active[audio] = active;
return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
}
/*
* set the mute status of the given audio
*/
static int vx_set_audio_switch(vx_core_t *chip, int audio, int active)
{
struct vx_audio_level info;
memset(&info, 0, sizeof(info));
info.has_mute = 1;
info.mute = !active;
chip->audio_active[audio] = active;
return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
}
/*
* set the mute status of the given audio
*/
static int vx_set_audio_gain(vx_core_t *chip, int audio, int capture, int level)
{
struct vx_audio_level info;
memset(&info, 0, sizeof(info));
info.has_level = 1;
info.level = level;
chip->audio_gain[capture][audio] = level;
return vx_adjust_audio_level(chip, audio, capture, &info);
}
/*
* reset all audio levels
*/
static void vx_reset_audio_levels(vx_core_t *chip)
{
int i, c;
struct vx_audio_level info;
memset(chip->audio_gain, 0, sizeof(chip->audio_gain));
memset(chip->audio_active, 0, sizeof(chip->audio_active));
memset(chip->audio_monitor, 0, sizeof(chip->audio_monitor));
memset(chip->audio_monitor_active, 0, sizeof(chip->audio_monitor_active));
for (c = 0; c < 2; c++) {
for (i = 0; i < chip->hw->num_ins * 2; i++) {
memset(&info, 0, sizeof(info));
if (c == 0) {
info.has_monitor_level = 1;
info.has_mute = 1;
info.has_monitor_mute = 1;
}
info.has_level = 1;
info.level = CVAL_0DB; /* default: 0dB */
vx_adjust_audio_level(chip, i, c, &info);
chip->audio_gain[c][i] = CVAL_0DB;
chip->audio_monitor[i] = CVAL_0DB;
}
}
}
/*
* VU, peak meter record
*/
#define VU_METER_CHANNELS 2
struct vx_vu_meter {
int saturated;
int vu_level;
int peak_level;
};
/*
* get the VU and peak meter values
* @audio: the audio index
* @capture: 0 = playback, 1 = capture operation
* @info: the array of vx_vu_meter records (size = 2).
*/
static int vx_get_audio_vu_meter(vx_core_t *chip, int audio, int capture, struct
vx_vu_meter *info)
{
struct vx_rmh rmh;
int i, err;
if (chip->is_stale)
return -EBUSY;
vx_init_rmh(&rmh, CMD_AUDIO_VU_PIC_METER);
rmh.LgStat += 2 * VU_METER_CHANNELS;
if (capture)
rmh.Cmd[0] |= COMMAND_RECORD_MASK;
/* Add Audio IO mask */
rmh.Cmd[1] = 0;
for (i = 0; i < VU_METER_CHANNELS; i++)
rmh.Cmd[1] |= 1 << (audio + i);
err = vx_send_msg(chip, &rmh);
if (err < 0)
return err;
/* Read response */
for (i = 0; i < 2 * VU_METER_CHANNELS; i +=2) {
info->saturated = (rmh.Stat[0] & (1 << (audio + i))) ? 1 : 0;
info->vu_level = rmh.Stat[i + 1];
info->peak_level = rmh.Stat[i + 2];
info++;
}
return 0;
}
/*
* control API entries
*/
/*
* output level control
*/
static int vx_output_level_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = ANALOG_OUT_ATTEN_MIN;
uinfo->value.integer.max = ANALOG_OUT_ATTEN_MAX - ANALOG_OUT_ATTEN_MIN;
return 0;
}
static int vx_output_level_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t
*ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->id.index;
ucontrol->value.integer.value[0] = ANALOG_OUT_ATTEN_MAX -
chip->output_level[codec][0];
ucontrol->value.integer.value[1] = ANALOG_OUT_ATTEN_MAX -
chip->output_level[codec][1];
return 0;
}
static int vx_output_level_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t
*ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int val[2];
int codec = kcontrol->id.index;
val[0] = ANALOG_OUT_ATTEN_MAX - ucontrol->value.integer.value[0];
val[1] = ANALOG_OUT_ATTEN_MAX - ucontrol->value.integer.value[1];
if (val[0] != chip->output_level[codec][0] ||
val[1] != chip->output_level[codec][1]) {
vx_set_analog_output_level(chip, codec, val[0], val[1]);
chip->output_level[codec][0] = val[0];
chip->output_level[codec][1] = val[1];
return 1;
}
return 0;
}
static snd_kcontrol_new_t vx_control_output_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Master Playback Volume",
.info = vx_output_level_info,
.get = vx_output_level_get,
.put = vx_output_level_put,
};
/*
* audio source select
*/
static int vx_audio_src_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
static char *texts_mic[3] = {
"Digital", "Line", "Mic"
};
static char *texts_vx2[2] = {
"Digital", "Analog"
};
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
if (chip->type >= VX_TYPE_VXPOCKET) {
uinfo->value.enumerated.items = 3;
if (uinfo->value.enumerated.item > 2)
uinfo->value.enumerated.item = 2;
strcpy(uinfo->value.enumerated.name,
texts_mic[uinfo->value.enumerated.item]);
} else {
uinfo->value.enumerated.items = 2;
if (uinfo->value.enumerated.item > 1)
uinfo->value.enumerated.item = 1;
strcpy(uinfo->value.enumerated.name,
texts_vx2[uinfo->value.enumerated.item]);
}
return 0;
}
static int vx_audio_src_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
ucontrol->value.enumerated.item[0] = chip->audio_source_target;
return 0;
}
static int vx_audio_src_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
chip->audio_source_target = ucontrol->value.enumerated.item[0];
vx_sync_audio_source(chip);
return 1;
}
return 0;
}
static snd_kcontrol_new_t vx_control_audio_src = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source",
.info = vx_audio_src_info,
.get = vx_audio_src_get,
.put = vx_audio_src_put,
};
/*
* Audio Gain
*/
static int vx_audio_gain_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = CVAL_MAX;
return 0;
}
static int vx_audio_gain_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
ucontrol->value.integer.value[0] = chip->audio_gain[capture][audio];
ucontrol->value.integer.value[1] = chip->audio_gain[capture][audio+1];
return 0;
}
static int vx_audio_gain_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
if (ucontrol->value.integer.value[0] != chip->audio_gain[capture][audio] ||
ucontrol->value.integer.value[1] != chip->audio_gain[capture][audio+1]) {
vx_set_audio_gain(chip, audio, capture,
ucontrol->value.integer.value[0]);
vx_set_audio_gain(chip, audio+1, capture,
ucontrol->value.integer.value[1]);
return 1;
}
return 0;
}
static int vx_audio_monitor_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t
*ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
ucontrol->value.integer.value[0] = chip->audio_monitor[audio];
ucontrol->value.integer.value[1] = chip->audio_monitor[audio+1];
return 0;
}
static int vx_audio_monitor_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t
*ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
if (ucontrol->value.integer.value[0] != chip->audio_monitor[audio] ||
ucontrol->value.integer.value[1] != chip->audio_monitor[audio+1]) {
vx_set_monitor_level(chip, audio, ucontrol->value.integer.value[0],
chip->audio_monitor_active[audio]);
vx_set_monitor_level(chip, audio+1, ucontrol->value.integer.value[1],
chip->audio_monitor_active[audio+1]);
return 1;
}
return 0;
}
static int vx_audio_sw_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
return 0;
}
static int vx_audio_sw_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
ucontrol->value.integer.value[0] = chip->audio_active[audio];
ucontrol->value.integer.value[1] = chip->audio_active[audio+1];
return 0;
}
static int vx_audio_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
if (ucontrol->value.integer.value[0] != chip->audio_active[audio] ||
ucontrol->value.integer.value[1] != chip->audio_active[audio+1]) {
vx_set_audio_switch(chip, audio, ucontrol->value.integer.value[0]);
vx_set_audio_switch(chip, audio+1, ucontrol->value.integer.value[1]);
return 1;
}
return 0;
}
static int vx_monitor_sw_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
ucontrol->value.integer.value[0] = chip->audio_monitor_active[audio];
ucontrol->value.integer.value[1] = chip->audio_monitor_active[audio+1];
return 0;
}
static int vx_monitor_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
if (ucontrol->value.integer.value[0] != chip->audio_monitor_active[audio] ||
ucontrol->value.integer.value[1] != chip->audio_monitor_active[audio+1]) {
vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
ucontrol->value.integer.value[0]);
vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],
ucontrol->value.integer.value[1]);
return 1;
}
return 0;
}
static snd_kcontrol_new_t vx_control_audio_gain = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
/* name will be filled later */
.info = vx_audio_gain_info,
.get = vx_audio_gain_get,
.put = vx_audio_gain_put
};
static snd_kcontrol_new_t vx_control_output_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Switch",
.info = vx_audio_sw_info,
.get = vx_audio_sw_get,
.put = vx_audio_sw_put
};
static snd_kcontrol_new_t vx_control_monitor_gain = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitoring Volume",
.info = vx_audio_gain_info, /* shared */
.get = vx_audio_monitor_get,
.put = vx_audio_monitor_put
};
static snd_kcontrol_new_t vx_control_monitor_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitoring Switch",
.info = vx_audio_sw_info, /* shared */
.get = vx_monitor_sw_get,
.put = vx_monitor_sw_put
};
/*
* IEC958 status bits
*/
static int vx_iec958_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
static int vx_iec958_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
ucontrol->value.iec958.status[0] = (chip->uer_bits >> 0) & 0xff;
ucontrol->value.iec958.status[1] = (chip->uer_bits >> 8) & 0xff;
ucontrol->value.iec958.status[2] = (chip->uer_bits >> 16) & 0xff;
ucontrol->value.iec958.status[3] = (chip->uer_bits >> 24) & 0xff;
return 0;
}
static int vx_iec958_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t
*ucontrol)
{
ucontrol->value.iec958.status[0] = 0xff;
ucontrol->value.iec958.status[1] = 0xff;
ucontrol->value.iec958.status[2] = 0xff;
ucontrol->value.iec958.status[3] = 0xff;
return 0;
}
static int vx_iec958_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
unsigned int val;
val = (ucontrol->value.iec958.status[0] << 0) |
(ucontrol->value.iec958.status[1] << 8) |
(ucontrol->value.iec958.status[2] << 16) |
(ucontrol->value.iec958.status[3] << 24);
if (chip->uer_bits != val) {
chip->uer_bits = val;
vx_set_iec958_status(chip, val);
return 1;
}
return 0;
}
static snd_kcontrol_new_t vx_control_iec958_mask = {
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
.info = vx_iec958_info, /* shared */
.get = vx_iec958_mask_get,
};
static snd_kcontrol_new_t vx_control_iec958 = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
.info = vx_iec958_info,
.get = vx_iec958_get,
.put = vx_iec958_put
};
/*
* VU meter
*/
#define METER_MAX 0xff
#define METER_SHIFT 16
static int vx_vu_meter_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = METER_MAX;
return 0;
}
static int vx_vu_meter_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
struct vx_vu_meter meter[2];
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
vx_get_audio_vu_meter(chip, audio, capture, meter);
ucontrol->value.integer.value[0] = meter[0].vu_level >> METER_SHIFT;
ucontrol->value.integer.value[1] = meter[1].vu_level >> METER_SHIFT;
return 0;
}
static int vx_peak_meter_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
struct vx_vu_meter meter[2];
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
vx_get_audio_vu_meter(chip, audio, capture, meter);
ucontrol->value.integer.value[0] = meter[0].peak_level >> METER_SHIFT;
ucontrol->value.integer.value[1] = meter[1].peak_level >> METER_SHIFT;
return 0;
}
static int vx_saturation_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
return 0;
}
static int vx_saturation_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
vx_core_t *chip = snd_kcontrol_chip(kcontrol);
struct vx_vu_meter meter[2];
int audio = kcontrol->private_value & 0xff;
vx_get_audio_vu_meter(chip, audio, 1, meter); /* capture only */
ucontrol->value.integer.value[0] = meter[0].saturated;
ucontrol->value.integer.value[1] = meter[1].saturated;
return 0;
}
static snd_kcontrol_new_t vx_control_vu_meter = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
/* name will be filled later */
.info = vx_vu_meter_info,
.get = vx_vu_meter_get,
};
static snd_kcontrol_new_t vx_control_peak_meter = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
/* name will be filled later */
.info = vx_vu_meter_info, /* shared */
.get = vx_peak_meter_get,
};
static snd_kcontrol_new_t vx_control_saturation = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Input Saturation",
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = vx_saturation_info,
.get = vx_saturation_get,
};
/*
*
*/
int snd_vx_mixer_new(vx_core_t *chip)
{
int i, c, err;
snd_kcontrol_new_t temp;
snd_card_t *card = chip->card;
char name[32];
strcpy(card->mixername, card->driver);
/* output level controls */
for (i = 0; i < chip->hw->num_outs; i++) {
temp = vx_control_output_level;
temp.index = i;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
}
/* PCM volumes, switches, monitoring */
for (i = 0; i < chip->hw->num_outs; i++) {
int val = i * 2;
temp = vx_control_audio_gain;
temp.index = i;
temp.name = "PCM Playback Volume";
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
temp = vx_control_output_switch;
temp.index = i;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
temp = vx_control_monitor_gain;
temp.index = i;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
temp = vx_control_monitor_switch;
temp.index = i;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
}
for (i = 0; i < chip->hw->num_outs; i++) {
temp = vx_control_audio_gain;
temp.index = i;
temp.name = "PCM Capture Volume";
temp.private_value = (i * 2) | (1 << 8);
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
}
/* Audio source */
if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_audio_src, chip))) < 0)
return err;
/* IEC958 controls */
if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958_mask, chip))) < 0)
return err;
if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958, chip))) < 0)
return err;
/* VU, peak, saturation meters */
for (c = 0; c < 1; c++) {
static char *dir[2] = { "Output", "Input" };
for (i = 0; i < chip->hw->num_ins; i++) {
int val = (i * 2) | (c << 8);
if (c == 1) {
temp = vx_control_saturation;
temp.index = i;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp,
chip))) < 0)
return err;
}
sprintf(name, "%s VU Meter", dir[c]);
temp = vx_control_vu_meter;
temp.index = i;
temp.name = name;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
sprintf(name, "%s Peak Meter", dir[c]);
temp = vx_control_peak_meter;
temp.index = i;
temp.name = name;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
}
}
vx_reset_audio_levels(chip);
return 0;
}
--- NEW FILE: vx_pcm.c ---
/* to be in alsa-driver-specfici code */
#include <linux/config.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
static struct page *vmalloc_to_page(void *pageptr);
#endif
#define __NO_VERSION__
/*
* Driver for Digigram VX soundcards
*
* PCM part
*
* Copyright (c) 2002 by Takashi Iwai <[EMAIL PROTECTED]>
*
* 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
*/
#include <sound/driver.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/pagemap.h>
#include <sound/core.h>
#include <sound/asoundef.h>
#include <sound/pcm.h>
#include "vx_core.h"
#include "vx_cmd.h"
#define chip_t vx_core_t
/*
* we use a vmalloc'ed (sg-)buffer
*/
/* get the physical page pointer on the given offset */
static struct page *snd_pcm_get_vmalloc_page(snd_pcm_substream_t *subs, unsigned long
offset)
{
void *pageptr = subs->runtime->dma_area + offset;
return vmalloc_to_page(pageptr);
}
/*
* hw_params callback
* NOTE: this may be called not only once per pcm open!
*/
static int snd_pcm_alloc_vmalloc_buffer(snd_pcm_substream_t *subs, int size)
{
snd_pcm_runtime_t *runtime = subs->runtime;
if (runtime->dma_area) {
if (runtime->dma_bytes >= size)
return 0; /* already enough large */
vfree_nocheck(runtime->dma_area);
}
runtime->dma_area = vmalloc_nocheck(size);
if (! runtime->dma_area)
return -ENOMEM;
runtime->dma_bytes = size;
return 0;
}
/*
* hw_free callback
* NOTE: this may be called not only once per pcm open!
*/
static int snd_pcm_free_vmalloc_buffer(snd_pcm_substream_t *subs)
{
snd_pcm_runtime_t *runtime = subs->runtime;
if (runtime->dma_area) {
vfree_nocheck(runtime->dma_area);
runtime->dma_area = NULL;
}
return 0;
}
/*
* vx_flush_read - read rest of bytes via normal transfer mode
* @count: frames to read
*
* the data size must be aligned to 3 bytes, though.
* NB: call with a certain lock!
*/
static void vx_flush_read(vx_core_t *chip, snd_pcm_runtime_t *runtime,
vx_pipe_t *pipe, int count)
{
int offset = frames_to_bytes(runtime, pipe->hw_ptr);
unsigned char *buf = (unsigned char *)(runtime->dma_area + offset);
snd_assert(count % 3 == 0, return);
pipe->hw_ptr += count;
if (pipe->hw_ptr >= runtime->buffer_size)
pipe->hw_ptr -= runtime->buffer_size;
while (count > 0) {
*buf++ = vx_inb(chip, RXH);
if (++offset >= pipe->buffer_bytes) {
offset = 0;
buf = (unsigned char *)runtime->dma_area;
}
*buf++ = vx_inb(chip, RXM);
if (++offset >= pipe->buffer_bytes) {
offset = 0;
buf = (unsigned char *)runtime->dma_area;
}
*buf++ = vx_inb(chip, RXL);
if (++offset >= pipe->buffer_bytes) {
offset = 0;
buf = (unsigned char *)runtime->dma_area;
}
count -= 3;
}
}
/*
* vx_set_pcx_time - convert from the PC time to the RMH status time.
* @pc_time: the pointer for the PC-time to set
* @dsp_time: the pointer for RMH status time array
*/
static void vx_set_pcx_time(vx_core_t *chip, pcx_time_t *pc_time, unsigned int
*dsp_time)
{
dsp_time[0] = (unsigned int)((*pc_time) >> 24) & PCX_TIME_HI_MASK;
dsp_time[1] = (unsigned int)(*pc_time) & MASK_DSP_WORD;
}
/*
* vx_set_differed_time - set the differed time if specified
* @rmh: the rmh record to modify
* @pipe: the pipe to be checked
*
* if the pipe is programmed with the differed time, set the DSP time
* on the rmh and changes its command length.
*
* returns the increase of the command length.
*/
static int vx_set_differed_time(vx_core_t *chip, struct vx_rmh *rmh, vx_pipe_t *pipe)
{
/* Update The length added to the RMH command by the timestamp */
if (! (pipe->differed_type & DC_DIFFERED_DELAY))
return 0;
/* Set the T bit */
rmh->Cmd[0] |= DSP_DIFFERED_COMMAND_MASK;
/* Time stamp is the 1st following parameter */
vx_set_pcx_time(chip, &pipe->pcx_time, &rmh->Cmd[1]);
/* Add the flags to a notified differed command */
if (pipe->differed_type & DC_NOTIFY_DELAY)
rmh->Cmd[1] |= NOTIFY_MASK_TIME_HIGH ;
/* Add the flags to a multiple differed command */
if (pipe->differed_type & DC_MULTIPLE_DELAY)
rmh->Cmd[1] |= MULTIPLE_MASK_TIME_HIGH;
/* Add the flags to a stream-time differed command */
if (pipe->differed_type & DC_STREAM_TIME_DELAY)
rmh->Cmd[1] |= STREAM_MASK_TIME_HIGH;
rmh->LgCmd += 2;
return 2;
}
/*
* vx_set_stream_format - send the stream format command
* @pipe: the affected pipe
* @data: format bitmask
*/
static int vx_set_stream_format(vx_core_t *chip, vx_pipe_t *pipe, unsigned int data)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, pipe->is_capture ?
CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
rmh.Cmd[0] |= pipe->number << FIELD_SIZE;
/* Command might be longer since we may have to add a timestamp */
vx_set_differed_time(chip, &rmh, pipe);
rmh.Cmd[rmh.LgCmd] = (data & 0xFFFFFF00) >> 8;
rmh.Cmd[rmh.LgCmd + 1] = (data & 0xFF) << 16 /*| (datal & 0xFFFF00) >> 8*/;
rmh.LgCmd += 2;
return vx_send_msg(chip, &rmh);
}
/*
* vx_set_format - set the format of a pipe
* @pipe: the affected pipe
* @runtime: pcm runtime instance to be referred
*
* returns 0 if successful, or a negative error code.
*/
static int vx_set_format(vx_core_t *chip, vx_pipe_t *pipe,
snd_pcm_runtime_t *runtime)
{
unsigned int header = HEADER_FMT_BASE;
if (runtime->channels == 1)
header |= HEADER_FMT_MONO;
if (snd_pcm_format_little_endian(runtime->format))
header |= HEADER_FMT_INTEL;
if (runtime->rate < 32000 && runtime->rate > 11025)
header |= HEADER_FMT_UPTO32;
else if (runtime->rate <= 11025)
header |= HEADER_FMT_UPTO11;
switch (snd_pcm_format_physical_width(runtime->format)) {
// case 8: break;
case 16: header |= HEADER_FMT_16BITS; break;
case 24: header |= HEADER_FMT_24BITS; break;
default :
snd_BUG();
return -EINVAL;
};
return vx_set_stream_format(chip, pipe, header);
}
static int vx_set_ibl(vx_core_t *chip, struct vx_ibl_info *info)
{
int err;
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_IBL);
rmh.Cmd[0] |= info->size & 0x03ffff;
err = vx_send_msg(chip, &rmh);
if (err < 0)
return err;
info->size = rmh.Stat[0];
info->max_size = rmh.Stat[1];
info->min_size = rmh.Stat[2];
info->granularity = rmh.Stat[3];
snd_printdd(KERN_DEBUG "vx_set_ibl: size = %d, max = %d, min = %d, gran =
%d\n",
info->size, info->max_size, info->min_size, info->granularity);
return 0;
}
/*
* vx_get_pipe_state - get the state of a pipe
* @pipe: the pipe to be checked
* @state: the pointer for the returned state
*
* checks the state of a given pipe, and stores the state (1 = running,
* 0 = paused) on the given pointer.
*
* called from trigger callback only
*/
static int vx_get_pipe_state(vx_core_t *chip, vx_pipe_t *pipe, int *state)
{
int err;
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_PIPE_STATE);
vx_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->number, 0);
err = vx_send_msg_nolock(chip, &rmh); /* no lock needed for trigger */
if (! err)
*state = (rmh.Stat[0] & (1 << pipe->number)) ? 1 : 0;
return err;
}
/*
* vx_query_hbuffer_size - query available h-buffer size in bytes
* @pipe: the pipe to be checked
*
* return the available size on h-buffer in bytes,
* or a negative error code.
*/
static int vx_query_hbuffer_size(vx_core_t *chip, vx_pipe_t *pipe)
{
int result;
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_SIZE_HBUFFER);
vx_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->number, 0);
if (pipe->is_capture)
rmh.Cmd[0] |= 0x00000001;
result = vx_send_msg(chip, &rmh);
if (! result)
result = rmh.Stat[0] & 0xffff;
return result;
}
/*
* vx_pipe_can_start - query whether a pipe is ready for start
* @pipe: the pipe to be checked
*
* return 1 if ready, 0 if not ready, and negative value on error.
*
* called from trigger callback only
*/
static int vx_pipe_can_start(vx_core_t *chip, vx_pipe_t *pipe)
{
int err;
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_CAN_START_PIPE);
vx_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->number, 0);
rmh.Cmd[0] |= 1;
err = vx_send_msg_nolock(chip, &rmh); /* no lock needed for trigger */
if (! err) {
if (rmh.Stat[0])
err = 1;
}
return err;
}
/*
* vx_vonf_pipe - tell the pipe to stand by and wait for IRQA.
* @pipe: the pipe to be configured
*/
static int vx_conf_pipe(vx_core_t *chip, vx_pipe_t *pipe)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_CONF_PIPE);
if (pipe->is_capture)
rmh.Cmd[0] |= COMMAND_RECORD_MASK;
rmh.Cmd[1] = 1 << pipe->number;
return vx_send_msg_nolock(chip, &rmh); /* no lock needed for trigger */
}
/*
* vx_send_irqa - trigger IRQA
*/
static int vx_send_irqa(vx_core_t *chip)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_SEND_IRQA);
return vx_send_msg_nolock(chip, &rmh); /* no lock needed for trigger */
}
#define MAX_WAIT_FOR_DSP 250
#define CAN_START_DELAY 10
#define WAIT_STATE_DELAY 10
/*
* vx_toggle_pipe - start / pause a pipe
* @pipe: the pipe to be triggered
* @state: start = 1, pause = 0
*
* called from trigger callback only
*
*/
static int vx_toggle_pipe(vx_core_t *chip, vx_pipe_t *pipe, int state)
{
int err, i, cur_state, delay;
/* Check the pipe is not already in the requested state */
if (vx_get_pipe_state(chip, pipe, &cur_state) < 0)
return -EBADFD;
if (state == cur_state)
return 0;
/* If a start is requested, ask the DSP to get prepared
* and wait for a positive acknowledge (when there are
* enough sound buffer for this pipe)
*/
if (state) {
int delay = CAN_START_DELAY;
for (i = 0 ; i < MAX_WAIT_FOR_DSP; i++) {
err = vx_pipe_can_start(chip, pipe);
if (err > 0)
break;
/* Wait for a few, before asking again
* to avoid flooding the DSP with our requests
*/
if ((i % 4 ) == 0)
delay <<= 1;
snd_vx_delay(chip, delay);
}
}
if ((err = vx_conf_pipe(chip, pipe)) < 0)
return err;
if ((err = vx_send_irqa(chip)) < 0)
return err;
/* If it completes successfully, wait for the pipes
* reaching the expected state before returning
* Check one pipe only (since they are synchronous)
*/
delay = WAIT_STATE_DELAY;
for (i = 0; i < MAX_WAIT_FOR_DSP; i++) {
err = vx_get_pipe_state(chip, pipe, &cur_state);
if (err < 0 || cur_state == state)
break;
err = -EIO;
if ((i % 4 ) == 0)
delay <<= 1;
snd_vx_delay(chip, delay);
}
return err < 0 ? -EIO : 0;
}
/*
* vx_stop_pipe - stop a pipe
* @pipe: the pipe to be stopped
*
* called from trigger callback only
*/
static int vx_stop_pipe(vx_core_t *chip, vx_pipe_t *pipe)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_STOP_PIPE);
vx_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->number, 0);
return vx_send_msg_nolock(chip, &rmh); /* no lock needed for trigger */
}
/*
* vx_alloc_pipe - allocate a pipe and initialize the pipe instance
* @capture: 0 = playback, 1 = capture operation
* @audioid: the audio id to be assigned
* @num_audio: number of audio channels
* @pipep: the returned pipe instance
*
* return 0 on success, or a negative error code.
*/
static int vx_alloc_pipe(vx_core_t *chip, int capture,
int audioid, int num_audio,
vx_pipe_t **pipep)
{
int err;
vx_pipe_t *pipe;
struct vx_rmh rmh;
int data_mode;
*pipep = 0;
vx_init_rmh(&rmh, CMD_RES_PIPE);
vx_set_pipe_cmd_params(&rmh, capture, audioid, num_audio);
#if 0 // NYI
if (underrun_skip_sound)
rmh.Cmd[0] |= BIT_SKIP_SOUND;
#endif // NYI
data_mode = (chip->uer_bits & IEC958_AES0_NONAUDIO) != 0;
if (! capture && data_mode)
rmh.Cmd[0] |= BIT_DATA_MODE;
err = vx_send_msg(chip, &rmh);
if (err < 0)
return err;
/* initialize the pipe record */
pipe = snd_magic_kcalloc(vx_pipe_t, 0, GFP_KERNEL);
if (! pipe) {
/* release the pipe */
vx_init_rmh(&rmh, CMD_FREE_PIPE);
vx_set_pipe_cmd_params(&rmh, capture, audioid, 0);
vx_send_msg(chip, &rmh);
return -ENOMEM;
}
/* the pipe index should be identical with the audio index */
pipe->number = audioid;
pipe->is_capture = capture;
pipe->channels = num_audio;
pipe->differed_type = 0;
pipe->pcx_time = 0;
pipe->data_mode = data_mode;
*pipep = pipe;
return 0;
}
/*
* vx_free_pipe - release a pipe
* @pipe: pipe to be released
*/
static int vx_free_pipe(vx_core_t *chip, vx_pipe_t *pipe)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_FREE_PIPE);
vx_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->number, 0);
vx_send_msg(chip, &rmh);
snd_magic_kfree(pipe);
return 0;
}
/*
* vx_start_stream - start the stream
*
* called from trigger callback only
*/
static int vx_start_stream(vx_core_t *chip, vx_pipe_t *pipe)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_START_ONE_STREAM);
vx_set_stream_cmd_params(&rmh, pipe->is_capture, pipe->number);
vx_set_differed_time(chip, &rmh, pipe);
return vx_send_msg_nolock(chip, &rmh); /* no lock needed for trigger */
}
/*
* vx_stop_stream - stop the stream
*
* called from trigger callback only
*/
static int vx_stop_stream(vx_core_t *chip, vx_pipe_t *pipe)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_STOP_STREAM);
vx_set_stream_cmd_params(&rmh, pipe->is_capture, pipe->number);
return vx_send_msg_nolock(chip, &rmh); /* no lock needed for trigger */
}
/*
* playback hw information
*/
static snd_pcm_hardware_t vx_pcm_playback_hw = {
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
.formats = /*SNDRV_PCM_FMTBIT_U8 |*/ SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_3LE,
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
.rate_min = 5000,
.rate_max = 48000,
.channels_min = 2,
.channels_max = 2,
.buffer_bytes_max = (128*1024),
.period_bytes_min = 126,
.period_bytes_max = (128*1024),
.periods_min = 2,
.periods_max = VX_MAX_PERIODS,
.fifo_size = 126,
};
static void vx_pcm_delayed_start(unsigned long arg);
/*
* vx_pcm_playback_open - open callback for playback
*/
static int vx_pcm_playback_open(snd_pcm_substream_t *subs)
{
snd_pcm_runtime_t *runtime = subs->runtime;
vx_core_t *chip = snd_pcm_substream_chip(subs);
vx_pipe_t *pipe;
int audio, err;
if (chip->is_stale)
return -EBUSY;
audio = subs->pcm->device * 2;
snd_assert(audio < chip->audio_outs, return -EINVAL);
err = vx_alloc_pipe(chip, 0, audio, 2, &pipe); /* stereo capture */
if (err < 0)
return err;
pipe->substream = subs;
tasklet_init(&pipe->start_tq, vx_pcm_delayed_start, (unsigned long)subs);
chip->playback_pipes[audio] = pipe;
runtime->hw = vx_pcm_playback_hw;
runtime->hw.period_bytes_min = chip->ibl.size;
runtime->private_data = pipe;
return 0;
}
/*
* vx_pcm_playback_close - close callback for playback
*/
static int vx_pcm_playback_close(snd_pcm_substream_t *subs)
{
vx_core_t *chip = snd_pcm_substream_chip(subs);
vx_pipe_t *pipe;
if (! subs->runtime->private_data)
return -EINVAL;
pipe = snd_magic_cast(vx_pipe_t, subs->runtime->private_data, return -EINVAL);
chip->playback_pipes[pipe->number] = 0;
vx_free_pipe(chip, pipe);
return 0;
}
/*
* vx_notify_end_of_buffer - send "end-of-buffer" notifier at the given pipe
* @pipe: the pipe to notify
*
* NB: call with a certain lock.
*/
static int vx_notify_end_of_buffer(vx_core_t *chip, vx_pipe_t *pipe)
{
int err;
struct vx_rmh rmh; /* use a temporary rmh here */
/* Toggle Dsp Host Interface into Message mode */
vx_send_rih_nolock(chip, IRQ_PAUSE_START_CONNECT);
vx_init_rmh(&rmh, CMD_NOTIFY_END_OF_BUFFER);
vx_set_stream_cmd_params(&rmh, 0, pipe->number);
err = vx_send_msg_nolock(chip, &rmh);
if (err < 0)
return err;
/* Toggle Dsp Host Interface back to sound transfer mode */
vx_send_rih_nolock(chip, IRQ_PAUSE_START_CONNECT);
return 0;
}
/*
* vx_update_playback_buffer - update the playback buffer
* @subs: substream
* @pipe: the pipe to transfer
*
* transfer as much data as possible.
* called from the interrupt handler, too.
*
* return 0 if ok.
*/
static int vx_update_playback_buffer(vx_core_t *chip, snd_pcm_runtime_t *runtime,
vx_pipe_t *pipe)
{
int size, space, err = 0;
size = (int)runtime->control->appl_ptr - pipe->hw_ptr;
if (size < 0)
size += runtime->buffer_size;
size = frames_to_bytes(runtime, size);
if (! size) /* nothing to copy */
return 0;
space = vx_query_hbuffer_size(chip, pipe);
if (space < 0) {
/* disconnect the host, SIZE_HBUF command always switches to the
stream mode */
vx_send_rih(chip, IRQ_CONNECT_STREAM_NEXT);
return space;
}
/* we don't need irqsave here, because this function
* is called from either trigger callback or irq handler
*/
spin_lock(&chip->lock);
if (space > size)
space = size;
space = (space / pipe->align) * pipe->align;
if (! space)
goto _finish;
size = bytes_to_frames(runtime, space);
vx_pseudo_dma_write(chip, runtime, pipe, space);
pipe->chunk_transferred += size;
if (pipe->chunk_transferred >= chip->ibl.min_size) {
pipe->chunk_transferred = 0;
err = vx_notify_end_of_buffer(chip, pipe);
}
_finish:
/* disconnect the host, SIZE_HBUF command always switches to the stream mode */
vx_send_rih_nolock(chip, IRQ_CONNECT_STREAM_NEXT);
spin_unlock(&chip->lock);
return err;
}
/*
* update the position of the given pipe.
* pipe->position is updated and wrapped within the buffer size.
* pipe->transferred is updated, too, but the size is not wrapped,
* so that the caller can check the total transferred size later
* (to call snd_pcm_period_elapsed).
*/
static int vx_update_pipe_position(vx_core_t *chip, snd_pcm_runtime_t *runtime,
vx_pipe_t *pipe)
{
struct vx_rmh rmh;
int err, update;
u64 count;
vx_init_rmh(&rmh, CMD_STREAM_SAMPLE_COUNT);
vx_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->number, 0);
err = vx_send_msg(chip, &rmh);
if (err < 0)
return err;
count = ((u64)(rmh.Stat[0] & 0xfffff) << 24) | (u64)rmh.Stat[1];
update = (int)(count - pipe->cur_count);
pipe->cur_count = count;
pipe->position += update;
if (pipe->position >= runtime->buffer_size)
pipe->position %= runtime->buffer_size;
pipe->transferred += update;
return 0;
}
/*
* transfer the pending playback buffer data to DSP
* called from interrupt handler
*/
void vx_pcm_playback_update_buffer(vx_core_t *chip, snd_pcm_substream_t *subs,
vx_pipe_t *pipe)
{
int err;
snd_pcm_runtime_t *runtime = subs->runtime;
if (! pipe->prepared || chip->is_stale)
return;
if ((err = vx_update_playback_buffer(chip, runtime, pipe)) < 0)
return;
}
/*
* update the playback position and call snd_pcm_period_elapsed() if necessary
* called from interrupt handler
*/
void vx_pcm_playback_update(vx_core_t *chip, snd_pcm_substream_t *subs, vx_pipe_t
*pipe)
{
int err;
snd_pcm_runtime_t *runtime = subs->runtime;
if (pipe->running && ! chip->is_stale) {
if ((err = vx_update_pipe_position(chip, runtime, pipe)) < 0)
return;
if (pipe->transferred >= runtime->period_size) {
pipe->transferred %= runtime->period_size;
snd_pcm_period_elapsed(subs);
}
}
}
/*
* start the stream and pipe.
* this function is called from tasklet, which is invoked by the trigger
* START callback.
*/
static void vx_pcm_delayed_start(unsigned long arg)
{
snd_pcm_substream_t *subs = (snd_pcm_substream_t *)arg;
vx_core_t *chip = snd_magic_cast(vx_core_t, subs->pcm->private_data, return);
vx_pipe_t *pipe = snd_magic_cast(vx_pipe_t, subs->runtime->private_data,
return);
int err;
if ((err = vx_start_stream(chip, pipe)) < 0) {
snd_printk(KERN_ERR "vx: cannot start stream\n");
return;
}
if ((err = vx_toggle_pipe(chip, pipe, 1)) < 0) {
snd_printk(KERN_ERR "vx: cannot start pipe\n");
return;
}
}
/*
* vx_pcm_playback_trigger - trigger callback for playback
*/
static int vx_pcm_trigger(snd_pcm_substream_t *subs, int cmd)
{
vx_core_t *chip = snd_pcm_substream_chip(subs);
vx_pipe_t *pipe = snd_magic_cast(vx_pipe_t, subs->runtime->private_data,
return -EINVAL);
int err;
if (chip->is_stale)
return -EBUSY;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
if (! pipe->is_capture)
vx_update_playback_buffer(chip, subs->runtime, pipe);
/* FIXME:
* we trigger the pipe using tasklet, so that the interrupts are
* issued surely after the trigger is completed.
*/
tasklet_hi_schedule(&pipe->start_tq);
chip->pcm_running++;
pipe->running = 1;
break;
case SNDRV_PCM_TRIGGER_STOP:
vx_toggle_pipe(chip, pipe, 0);
vx_stop_pipe(chip, pipe);
vx_stop_stream(chip, pipe);
chip->pcm_running--;
pipe->running = 0;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
if ((err = vx_toggle_pipe(chip, pipe, 0)) < 0)
return err;
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (! pipe->is_capture)
vx_update_playback_buffer(chip, subs->runtime, pipe);
if ((err = vx_toggle_pipe(chip, pipe, 1)) < 0)
return err;
break;
default:
return -EINVAL;
}
return 0;
}
/*
* vx_pcm_playback_pointer - pointer callback for playback
*/
static snd_pcm_uframes_t vx_pcm_playback_pointer(snd_pcm_substream_t *subs)
{
snd_pcm_runtime_t *runtime = subs->runtime;
vx_pipe_t *pipe = snd_magic_cast(vx_pipe_t, runtime->private_data, return
-EINVAL);
return pipe->position;
}
/*
* vx_pcm_hw_params - hw_params callback for playback and capture
*/
static int vx_pcm_hw_params(snd_pcm_substream_t *subs,
snd_pcm_hw_params_t *hw_params)
{
return snd_pcm_alloc_vmalloc_buffer(subs, params_buffer_bytes(hw_params));
}
/*
* vx_pcm_hw_free - hw_free callback for playback and capture
*/
static int vx_pcm_hw_free(snd_pcm_substream_t *subs)
{
return snd_pcm_free_vmalloc_buffer(subs);
}
/*
* vx_pcm_prepare - prepare callback for playback and capture
*/
static int vx_pcm_prepare(snd_pcm_substream_t *subs)
{
vx_core_t *chip = snd_pcm_substream_chip(subs);
snd_pcm_runtime_t *runtime = subs->runtime;
vx_pipe_t *pipe = snd_magic_cast(vx_pipe_t, runtime->private_data, return
-EINVAL);
int err, data_mode;
// int max_size, nchunks;
if (chip->is_stale)
return -EBUSY;
data_mode = (chip->uer_bits & IEC958_AES0_NONAUDIO) != 0;
if (data_mode != pipe->data_mode && ! pipe->is_capture) {
/* IEC958 status (raw-mode) was changed */
/* we reopen the pipe */
struct vx_rmh rmh;
snd_printdd(KERN_DEBUG "reopen the pipe with data_mode = %d\n",
data_mode);
vx_init_rmh(&rmh, CMD_FREE_PIPE);
vx_set_pipe_cmd_params(&rmh, 0, pipe->number, 0);
if ((err = vx_send_msg(chip, &rmh)) < 0)
return err;
vx_init_rmh(&rmh, CMD_RES_PIPE);
vx_set_pipe_cmd_params(&rmh, 0, pipe->number, pipe->channels);
if (data_mode)
rmh.Cmd[0] |= BIT_DATA_MODE;
if ((err = vx_send_msg(chip, &rmh)) < 0)
return err;
pipe->data_mode = data_mode;
}
if (chip->pcm_running && chip->freq != runtime->rate) {
snd_printk(KERN_ERR "vx: cannot set different clock %d from the
current %d\n", runtime->rate, chip->freq);
return -EINVAL;
}
vx_set_clock(chip, runtime->rate);
if ((err = vx_set_format(chip, pipe, runtime)) < 0)
return err;
if (chip->type >= VX_TYPE_VXPOCKET) {
/* minimal DMA alignment = 6 */
if (snd_pcm_format_physical_width(runtime->format) == 16)
pipe->align = runtime->channels * 6;
else
pipe->align = 6;
} else {
/* minimal DMA alignment = 12 */
pipe->align = 12;
}
pipe->buffer_bytes = frames_to_bytes(runtime, runtime->buffer_size);
pipe->hw_ptr = 0;
pipe->chunk_transferred = 0;
/* set the timestamp */
vx_update_pipe_position(chip, runtime, pipe);
/* clear again */
pipe->transferred = 0;
pipe->position = 0;
pipe->prepared = 1;
return 0;
}
/*
* operators for PCM playback
*/
static snd_pcm_ops_t vx_pcm_playback_ops = {
.open = vx_pcm_playback_open,
.close = vx_pcm_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = vx_pcm_hw_params,
.hw_free = vx_pcm_hw_free,
.prepare = vx_pcm_prepare,
.trigger = vx_pcm_trigger,
.pointer = vx_pcm_playback_pointer,
.page = snd_pcm_get_vmalloc_page,
};
/*
* playback hw information
*/
static snd_pcm_hardware_t vx_pcm_capture_hw = {
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
.formats = /*SNDRV_PCM_FMTBIT_U8 |*/ SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_3LE,
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
.rate_min = 5000,
.rate_max = 48000,
.channels_min = 2,
.channels_max = 2,
.buffer_bytes_max = (128*1024),
.period_bytes_min = 126,
.period_bytes_max = (128*1024),
.periods_min = 2,
.periods_max = VX_MAX_PERIODS,
.fifo_size = 126,
};
/*
* vx_pcm_capture_open - open callback for capture
*/
static int vx_pcm_capture_open(snd_pcm_substream_t *subs)
{
snd_pcm_runtime_t *runtime = subs->runtime;
vx_core_t *chip = snd_pcm_substream_chip(subs);
vx_pipe_t *pipe;
int audio, err;
if (chip->is_stale)
return -EBUSY;
audio = subs->pcm->device * 2;
snd_assert(audio < chip->audio_ins, return -EINVAL);
err = vx_alloc_pipe(chip, 1, audio, 2, &pipe);
if (err < 0)
return err;
pipe->substream = subs;
tasklet_init(&pipe->start_tq, vx_pcm_delayed_start, (unsigned long)subs);
chip->capture_pipes[audio] = pipe;
runtime->hw = vx_pcm_capture_hw;
runtime->hw.period_bytes_min = chip->ibl.size;
runtime->private_data = pipe;
return 0;
}
/*
* vx_pcm_capture_close - close callback for capture
*/
static int vx_pcm_capture_close(snd_pcm_substream_t *subs)
{
vx_core_t *chip = snd_pcm_substream_chip(subs);
vx_pipe_t *pipe;
if (! subs->runtime->private_data)
return -EINVAL;
pipe = snd_magic_cast(vx_pipe_t, subs->runtime->private_data, return -EINVAL);
chip->capture_pipes[pipe->number] = 0;
vx_free_pipe(chip, pipe);
return 0;
}
/*
* vx_pcm_capture_update - update the capture buffer
*/
void vx_pcm_capture_update(vx_core_t *chip, snd_pcm_substream_t *subs, vx_pipe_t *pipe)
{
int size, space;
snd_pcm_runtime_t *runtime = subs->runtime;
if (! pipe->prepared || chip->is_stale)
return;
size = runtime->buffer_size - snd_pcm_capture_avail(runtime);
if (! size)
return;
size = frames_to_bytes(runtime, size);
space = vx_query_hbuffer_size(chip, pipe);
if (space < 0) {
/* disconnect the host, SIZE_HBUF command always switches to the
stream mode */
vx_send_rih(chip, IRQ_CONNECT_STREAM_NEXT);
return;
}
if (size > space)
size = space;
size = (size / pipe->align) * pipe->align;
if (! size)
goto _finish;
#if 0
if (size > pipe->align)
vx_pseudo_dma_read(chip, runtime, pipe, size - pipe->align);
_finish:
/* disconnect the host, SIZE_HBUF command always switches to the stream mode */
vx_send_rih_nolock(chip, IRQ_CONNECT_STREAM_NEXT);
vx_flush_read(chip, runtime, pipe, pipe->align);
#else
vx_pseudo_dma_read(chip, runtime, pipe, size);
_finish:
vx_send_rih_nolock(chip, IRQ_CONNECT_STREAM_NEXT);
#endif
pipe->transferred += bytes_to_frames(runtime, size);
if (pipe->transferred >= runtime->period_size) {
pipe->transferred %= runtime->period_size;
snd_pcm_period_elapsed(subs);
}
}
/*
* vx_pcm_capture_pointer - pointer callback for capture
*/
static snd_pcm_uframes_t vx_pcm_capture_pointer(snd_pcm_substream_t *subs)
{
snd_pcm_runtime_t *runtime = subs->runtime;
vx_pipe_t *pipe = snd_magic_cast(vx_pipe_t, runtime->private_data, return
-EINVAL);
return pipe->hw_ptr;
}
/*
* operators for PCM capture
*/
static snd_pcm_ops_t vx_pcm_capture_ops = {
.open = vx_pcm_capture_open,
.close = vx_pcm_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = vx_pcm_hw_params,
.hw_free = vx_pcm_hw_free,
.prepare = vx_pcm_prepare,
.trigger = vx_pcm_trigger,
.pointer = vx_pcm_capture_pointer,
.page = snd_pcm_get_vmalloc_page,
};
/*
* vx_init_audio_io - check the availabe audio i/o and allocate pipe arrays
*/
static int vx_init_audio_io(vx_core_t *chip)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_SUPPORTED);
if (vx_send_msg(chip, &rmh) < 0) {
snd_printk(KERN_ERR "vx: cannot get the supported audio data\n");
return -ENXIO;
}
chip->audio_outs = rmh.Stat[0] & MASK_FIRST_FIELD;
chip->audio_ins = (rmh.Stat[0] >> (FIELD_SIZE*2)) & MASK_FIRST_FIELD;
chip->audio_info = rmh.Stat[1];
/* allocate pipes */
chip->playback_pipes = kmalloc(sizeof(vx_pipe_t *) * chip->audio_outs,
GFP_KERNEL);
chip->capture_pipes = kmalloc(sizeof(vx_pipe_t *) * chip->audio_ins,
GFP_KERNEL);
if (! chip->playback_pipes || ! chip->capture_pipes)
return -ENOMEM;
memset(chip->playback_pipes, 0, sizeof(vx_pipe_t *) * chip->audio_outs);
memset(chip->capture_pipes, 0, sizeof(vx_pipe_t *) * chip->audio_ins);
vx_set_ibl(chip, &chip->ibl); /* query the info */
chip->ibl.size = chip->ibl.min_size;
vx_set_ibl(chip, &chip->ibl); /* set to the minimum */
return 0;
}
/*
* free callback for pcm
*/
static void snd_vxpocket_pcm_free(snd_pcm_t *pcm)
{
vx_core_t *chip = snd_magic_cast(vx_core_t, pcm->private_data, return);
chip->pcm[pcm->device] = NULL;
if (chip->playback_pipes) {
kfree(chip->playback_pipes);
chip->playback_pipes = 0;
}
if (chip->capture_pipes) {
kfree(chip->capture_pipes);
chip->capture_pipes = 0;
}
}
/*
* snd_vx_pcm_new - create and initialize a pcm
*/
int snd_vx_pcm_new(vx_core_t *chip)
{
snd_pcm_t *pcm;
int i, err;
if ((err = vx_init_audio_io(chip)) < 0)
return err;
for (i = 0; i < chip->hw->num_codecs; i++) {
int outs, ins;
outs = chip->audio_outs > i * 2 ? 1 : 0;
ins = chip->audio_ins > i * 2 ? 1 : 0;
if (! outs && ! ins)
break;
err = snd_pcm_new(chip->card, "VXPocket", i,
outs, ins, &pcm);
if (err < 0)
return err;
if (outs)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&vx_pcm_playback_ops);
if (ins)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&vx_pcm_capture_ops);
pcm->private_data = chip;
pcm->private_free = snd_vxpocket_pcm_free;
pcm->info_flags = 0;
strcpy(pcm->name, chip->card->shortname);
chip->pcm[i] = pcm;
}
return 0;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
static struct page *vmalloc_to_page(void *pageptr)
{
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
unsigned long lpage;
struct page *page = (struct page *)NOPAGE_SIGBUS;
lpage = VMALLOC_VMADDR(pageptr);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,18)
spin_lock(&init_mm.page_table_lock);
#endif
pgd = pgd_offset(&init_mm, lpage);
pmd = pmd_offset(pgd, lpage);
pte = pte_offset(pmd, lpage);
page = (struct page *)pte_page(*pte);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,18)
spin_unlock(&init_mm.page_table_lock);
#endif
return page;
}
#endif
--- NEW FILE: vx_uer.c ---
/* to be in alsa-driver-specfici code */
#define __NO_VERSION__
/*
* Driver for Digigram VX soundcards
*
* IEC958 stuff
*
* Copyright (c) 2002 by Takashi Iwai <[EMAIL PROTECTED]>
*
* 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
*/
#include <sound/driver.h>
#include <linux/delay.h>
#include <sound/core.h>
#include "vx_core.h"
#include "vx_cmd.h"
/*
* vx_modify_board_clock - tell the board that its clock has been modified
* @sync: DSP needs to resynchronize its FIFO
*/
static int vx_modify_board_clock(vx_core_t *chip, int sync)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_MODIFY_CLOCK);
/* Ask the DSP to resynchronize its FIFO. */
if (sync)
rmh.Cmd[0] |= CMD_MODIFY_CLOCK_S_BIT;
return vx_send_msg(chip, &rmh);
}
/*
* vx_modify_board_inputs - resync audio inputs
*/
static int vx_modify_board_inputs(vx_core_t *chip)
{
struct vx_rmh rmh;
vx_init_rmh(&rmh, CMD_RESYNC_AUDIO_INPUTS);
rmh.Cmd[0] |= 1 << 0; /* reference: AUDIO 0 */
return vx_send_msg(chip, &rmh);
}
/*
* vx_read_one_cbit - read one bit from UER config
* @index: the bit index
* returns 0 or 1.
*/
static int vx_read_one_cbit(vx_core_t *chip, int index)
{
unsigned long flags;
int val;
spin_lock_irqsave(&chip->lock, flags);
if (chip->type >= VX_TYPE_VXPOCKET) {
vx_outb(chip, CSUER, 1); /* read */
vx_outb(chip, RUER, index & XX_UER_CBITS_OFFSET_MASK);
val = (vx_inb(chip, RUER) >> 7) & 0x01;
} else {
vx_outl(chip, CSUER, 1); /* read */
vx_outl(chip, RUER, index & XX_UER_CBITS_OFFSET_MASK);
val = (vx_inl(chip, RUER) >> 7) & 0x01;
}
spin_unlock_irqrestore(&chip->lock, flags);
return val;
}
/*
* vx_write_one_cbit - write one bit to UER config
* @index: the bit index
* @val: bit value, 0 or 1
*/
static void vx_write_one_cbit(vx_core_t *chip, int index, int val)
{
unsigned long flags;
val = !!val;
spin_lock_irqsave(&chip->lock, flags);
if (chip->type >= VX_TYPE_VXPOCKET) {
vx_outb(chip, CSUER, 0); /* write */
vx_outb(chip, RUER, (val << 7) | (index & XX_UER_CBITS_OFFSET_MASK));
} else {
vx_outl(chip, CSUER, 0); /* write */
vx_outl(chip, RUER, (val << 7) | (index & XX_UER_CBITS_OFFSET_MASK));
}
spin_unlock_irqrestore(&chip->lock, flags);
}
/*
* vx_read_uer_status - read the current UER status
* @mode: pointer to store the UER mode, VX_UER_MODE_XXX
*
* returns the frequency of UER, or 0 if not sync,
* or a negative error code.
*/
static int vx_read_uer_status(vx_core_t *chip, int *mode)
{
int val, freq;
/* Default values */
freq = 0;
/* Read UER status */
if (chip->type >= VX_TYPE_VXPOCKET)
val = vx_inb(chip, CSUER);
else
val = vx_inl(chip, CSUER);
if (val < 0)
return val;
/* If clock is present, read frequency */
if (val & VX_SUER_CLOCK_PRESENT_MASK) {
switch (val & VX_SUER_FREQ_MASK) {
case VX_SUER_FREQ_32KHz_MASK:
freq = 32000;
break;
case VX_SUER_FREQ_44KHz_MASK:
freq = 44100;
break;
case VX_SUER_FREQ_48KHz_MASK:
freq = 48000;
break;
}
}
if (val & VX_SUER_DATA_PRESENT_MASK)
/* bit 0 corresponds to consumer/professional bit */
*mode = vx_read_one_cbit(chip, 0) ?
VX_UER_MODE_PROFESSIONAL : VX_UER_MODE_CONSUMER;
else
*mode = VX_UER_MODE_NOT_PRESENT;
return freq;
}
/*
* compute the sample clock value from frequency
*
* The formula is as follows:
*
* HexFreq = (dword) ((double) ((double) 28224000 / (double) Frequency))
* switch ( HexFreq & 0x00000F00 )
* case 0x00000100: ;
* case 0x00000200:
* case 0x00000300: HexFreq -= 0x00000201 ;
* case 0x00000400:
* case 0x00000500:
* case 0x00000600:
* case 0x00000700: HexFreq = (dword) (((double) 28224000 / (double) (Frequency*2))
- 1)
* default : HexFreq = (dword) ((double) 28224000 / (double) (Frequency*4))
- 0x000001FF
*/
static int vx_calc_clock_from_freq(vx_core_t *chip, int freq)
{
#define XX_FECH48000 0x0000004B
#define XX_FECH32000 0x00000171
#define XX_FECH24000 0x0000024B
#define XX_FECH16000 0x00000371
#define XX_FECH12000 0x0000044B
#define XX_FECH8000 0x00000571
#define XX_FECH44100 0x0000007F
#define XX_FECH29400 0x0000016F
#define XX_FECH22050 0x0000027F
#define XX_FECH14000 0x000003EF
#define XX_FECH11025 0x0000047F
#define XX_FECH7350 0x000005BF
switch (freq) {
case 48000: return XX_FECH48000;
case 44100: return XX_FECH44100;
case 32000: return XX_FECH32000;
case 29400: return XX_FECH29400;
case 24000: return XX_FECH24000;
case 22050: return XX_FECH22050;
case 16000: return XX_FECH16000;
case 14000: return XX_FECH14000;
case 12000: return XX_FECH12000;
case 11025: return XX_FECH11025;
case 8000: return XX_FECH8000;
case 7350: return XX_FECH7350;
default: return freq; /* The value is already correct */
}
}
/*
* vx_change_clock_source - change the clock source
* @source: the new source
*/
static void vx_change_clock_source(vx_core_t *chip, int source)
{
unsigned long flags;
/* we mute DAC to prevent clicks */
vx_toggle_dac_mute(chip, 1);
spin_lock_irqsave(&chip->lock, flags);
chip->ops->set_clock_source(chip, source);
chip->clock_source = source;
spin_unlock_irqrestore(&chip->lock, flags);
/* unmute */
vx_toggle_dac_mute(chip, 0);
}
/*
* set the internal clock
*/
void vx_set_internal_clock(vx_core_t *chip, int freq)
{
int clock;
unsigned long flags;
/* Get real clock value */
clock = vx_calc_clock_from_freq(chip, freq);
snd_printdd(KERN_DEBUG "set internal clock to 0x%x from freq %d\n", clock,
freq);
spin_lock_irqsave(&chip->lock, flags);
if (chip->type >= VX_TYPE_VXPOCKET) {
vx_outb(chip, HIFREQ, (clock >> 8) & 0x0f);
vx_outb(chip, LOFREQ, clock & 0xff);
} else {
vx_outl(chip, HIFREQ, (clock >> 8) & 0x0f);
vx_outl(chip, LOFREQ, clock & 0xff);
}
spin_unlock_irqrestore(&chip->lock, flags);
}
/*
* set the iec958 status bits
* @bits: 32-bit status bits
*/
void vx_set_iec958_status(vx_core_t *chip, unsigned int bits)
{
int i;
if (chip->is_stale)
return;
for (i = 0; i < 32; i++)
vx_write_one_cbit(chip, i, bits & (1 << i));
}
/*
* vx_set_clock - change the clock and audio source if necessary
*/
int vx_set_clock(vx_core_t *chip, int freq)
{
int src_changed = 0;
if (chip->is_stale)
return 0;
/* change the audio source if possible */
vx_sync_audio_source(chip);
switch (chip->audio_source) {
case VX_AUDIO_SRC_DIGITAL:
if (chip->clock_source != UER_SYNC) {
vx_change_clock_source(chip, UER_SYNC);
mdelay(6);
src_changed = 1;
}
if (chip->freq == freq)
return 0;
break;
default:
if (chip->clock_source != INTERNAL_QUARTZ) {
vx_change_clock_source(chip, INTERNAL_QUARTZ);
src_changed = 1;
}
if (chip->freq == freq)
return 0;
vx_set_internal_clock(chip, freq);
if (src_changed)
vx_modify_board_inputs(chip);
break;
}
chip->freq = freq;
vx_modify_board_clock(chip, 1);
return 0;
}
/*
* vx_change_frequency - called from interrupt handler
*/
int vx_change_frequency(vx_core_t *chip)
{
int freq;
if (chip->is_stale)
return 0;
if (chip->clock_source == INTERNAL_QUARTZ)
return 0;
/*
* Read the real UER board frequency
*/
freq = vx_read_uer_status(chip, &chip->uer_detected);
if (freq < 0)
return freq;
/*
* The frequency computed by the DSP is good and
* is different from the previous computed.
*/
if (freq == 48000 || freq == 44100 || freq == 32000)
chip->freq_detected = freq;
return 0;
}
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