diff options
Diffstat (limited to 'sound/drivers/vx')
| -rw-r--r-- | sound/drivers/vx/Makefile | 8 | ||||
| -rw-r--r-- | sound/drivers/vx/vx_cmd.c | 109 | ||||
| -rw-r--r-- | sound/drivers/vx/vx_cmd.h | 246 | ||||
| -rw-r--r-- | sound/drivers/vx/vx_core.c | 837 | ||||
| -rw-r--r-- | sound/drivers/vx/vx_hwdep.c | 249 | ||||
| -rw-r--r-- | sound/drivers/vx/vx_mixer.c | 1000 | ||||
| -rw-r--r-- | sound/drivers/vx/vx_pcm.c | 1312 | ||||
| -rw-r--r-- | sound/drivers/vx/vx_uer.c | 321 |
8 files changed, 4082 insertions, 0 deletions
diff --git a/sound/drivers/vx/Makefile b/sound/drivers/vx/Makefile new file mode 100644 index 000000000000..269bd8544a5d --- /dev/null +++ b/sound/drivers/vx/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for ALSA +# Copyright (c) 2001 by Jaroslav Kysela <perex@suse.cz> +# + +snd-vx-lib-objs := vx_core.o vx_hwdep.o vx_pcm.o vx_mixer.o vx_cmd.o vx_uer.o + +obj-$(CONFIG_SND_VX_LIB) += snd-vx-lib.o diff --git a/sound/drivers/vx/vx_cmd.c b/sound/drivers/vx/vx_cmd.c new file mode 100644 index 000000000000..7a221349f285 --- /dev/null +++ b/sound/drivers/vx/vx_cmd.c @@ -0,0 +1,109 @@ +/* + * Driver for Digigram VX soundcards + * + * DSP commands + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <sound/driver.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/vx_core.h> +#include "vx_cmd.h" + +/* + * Array of DSP commands + */ +static 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; +} + diff --git a/sound/drivers/vx/vx_cmd.h b/sound/drivers/vx/vx_cmd.h new file mode 100644 index 000000000000..a85248ba3cc5 --- /dev/null +++ b/sound/drivers/vx/vx_cmd.h @@ -0,0 +1,246 @@ +/* + * Driver for Digigram VX soundcards + * + * Definitions of DSP commands + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __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 + + +/* + * + */ +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 */ diff --git a/sound/drivers/vx/vx_core.c b/sound/drivers/vx/vx_core.c new file mode 100644 index 000000000000..c6fa5afa3e9a --- /dev/null +++ b/sound/drivers/vx/vx_core.c @@ -0,0 +1,837 @@ +/* + * Driver for Digigram VX soundcards + * + * Hardware core part + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <sound/driver.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/firmware.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/asoundef.h> +#include <sound/info.h> +#include <asm/io.h> +#include <sound/vx_core.h> +#include "vx_cmd.h" + +MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); +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 (! in_interrupt() && xmsec >= 1000 / HZ) + msleep(xmsec); + 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) +{ + unsigned long end_time = jiffies + (time * HZ + 999) / 1000; +#ifdef CONFIG_SND_DEBUG + 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" + }; +#endif + 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 (vx_has_new_dsp(chip)) + 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->chip_status & VX_STAT_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) +{ + unsigned long flags; + int err; + + spin_lock_irqsave(&chip->lock, flags); + err = vx_send_msg_nolock(chip, rmh); + spin_unlock_irqrestore(&chip->lock, flags); + 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->chip_status & VX_STAT_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) +{ + unsigned long flags; + int err; + + spin_lock_irqsave(&chip->lock, flags); + err = vx_send_rih_nolock(chip, cmd); + spin_unlock_irqrestore(&chip->lock, flags); + return err; +} + +#define END_OF_RESET_WAIT_TIME 500 /* us */ + +/** + * 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 firmware *boot) +{ + unsigned int i; + int no_fillup = vx_has_new_dsp(chip); + + /* check the length of boot image */ + snd_assert(boot->size > 0, return -EINVAL); + snd_assert(boot->size % 3 == 0, return -EINVAL); +#if 0 + { + /* more strict check */ + unsigned int c = ((u32)boot->data[0] << 16) | ((u32)boot->data[1] << 8) | boot->data[2]; + snd_assert(boot->size == (c + 2) * 3, return -EINVAL); + } +#endif + + /* reset dsp */ + vx_reset_dsp(chip); + + udelay(END_OF_RESET_WAIT_TIME); /* another wait? */ + + /* download boot strap */ + for (i = 0; i < 0x600; i += 3) { + if (i >= boot->size) { + if (no_fillup) + break; + if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) { + snd_printk(KERN_ERR "dsp boot failed at %d\n", i); + return -EIO; + } + vx_outb(chip, TXH, 0); + vx_outb(chip, TXM, 0); + vx_outb(chip, TXL, 0); + } else { + unsigned char *image = boot->data + i; + if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) { + snd_printk(KERN_ERR "dsp boot failed at %d\n", i); + return -EIO; + } + vx_outb(chip, TXH, image[0]); + vx_outb(chip, TXM, image[1]); + vx_outb(chip, TXL, image[2]); + } + } + return 0; +} + +/* + * vx_test_irq_src - query the source of interrupts + * + * called from irq handler only + */ +static int vx_test_irq_src(vx_core_t *chip, unsigned 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 = (vx_core_t *) private_data; + unsigned int events; + + if (chip->chip_status & VX_STAT_IS_STALE) + return; + + if (vx_test_irq_src(chip, &events) < 0) + return; + +#if 0 + if (events & 0x000800) + printk(KERN_ERR "DSP Stream underrun ! IRQ events = 0x%x\n", events); +#endif + // 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) + ; /* so far, nothing to do yet */ + + /* The frequency has changed on the board (UER mode). */ + if (events & FREQUENCY_CHANGE_EVENT_PENDING) + vx_change_frequency(chip); + + /* update the pcm streams */ + vx_pcm_update_intr(chip, events); +} + + +/** + * snd_vx_irq_handler - interrupt handler + */ +irqreturn_t snd_vx_irq_handler(int irq, void *dev, struct pt_regs *regs) +{ + vx_core_t *chip = dev; + + if (! (chip->chip_status & VX_STAT_CHIP_INIT) || + (chip->chip_status & VX_STAT_IS_STALE)) + return IRQ_NONE; + if (! vx_test_and_ack(chip)) + tasklet_hi_schedule(&chip->tq); + return IRQ_HANDLED; +} + + +/* + */ +static void vx_reset_board(vx_core_t *chip, int cold_reset) +{ + snd_assert(chip->ops->reset_board, return); + + /* current source, later sync'ed with target */ + chip->audio_source = VX_AUDIO_SRC_LINE; + if (cold_reset) { + chip->audio_source_target = chip->audio_source; + chip->clock_source = INTERNAL_QUARTZ; + chip->clock_mode = VX_CLOCK_MODE_AUTO; + chip->freq = 48000; + chip->uer_detected = VX_UER_MODE_NOT_PRESENT; + chip->uer_bits = SNDRV_PCM_DEFAULT_CON_SPDIF; + } + + chip->ops->reset_board(chip, cold_reset); + + vx_reset_codec(chip, cold_reset); + + vx_set_internal_clock(chip, chip->freq); + + /* Reset the DSP */ + vx_reset_dsp(chip); + + if (vx_is_pcmcia(chip)) { + /* Acknowledge any pending IRQ and reset the MEMIRQ flag. */ + vx_test_and_ack(chip); + vx_validate_irq(chip, 1); + } + + /* init CBits */ + vx_set_iec958_status(chip, chip->uer_bits); +} + + +/* + * proc interface + */ + +static void vx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) +{ + vx_core_t *chip = entry->private_data; + static char *audio_src_vxp[] = { "Line", "Mic", "Digital" }; + static char *audio_src_vx2[] = { "Analog", "Analog", "Digital" }; + static char *clock_mode[] = { "Auto", "Internal", "External" }; + 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, "Xilinx Firmware: %s\n", + chip->chip_status & VX_STAT_XILINX_LOADED ? "Loaded" : "No"); + snd_iprintf(buffer, "Device Initialized: %s\n", + chip->chip_status & VX_STAT_DEVICE_INIT ? "Yes" : "No"); + 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", vx_is_pcmcia(chip) ? + audio_src_vxp[chip->audio_source] : + audio_src_vx2[chip->audio_source]); + snd_iprintf(buffer, "Clock Mode: %s\n", clock_mode[chip->clock_mode]); + 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]); + snd_iprintf(buffer, "Min/Max/Cur IBL: %d/%d/%d (granularity=%d)\n", + chip->ibl.min_size, chip->ibl.max_size, chip->ibl.size, + chip->ibl.granularity); +} + +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, 1024, vx_proc_read); +} + + +/** + * snd_vx_dsp_boot - load the DSP boot + */ +int snd_vx_dsp_boot(vx_core_t *chip, const struct firmware *boot) +{ + int err; + int cold_reset = !(chip->chip_status & VX_STAT_DEVICE_INIT); + + vx_reset_board(chip, cold_reset); + vx_validate_irq(chip, 0); + + if ((err = snd_vx_load_boot_image(chip, boot)) < 0) + return err; + snd_vx_delay(chip, 10); + + return 0; +} + +/** + * snd_vx_dsp_load - load the DSP image + */ +int snd_vx_dsp_load(vx_core_t *chip, const struct firmware *dsp) +{ + unsigned int i; + int err; + unsigned int csum = 0; + unsigned char *image, *cptr; + + snd_assert(dsp->size % 3 == 0, return -EINVAL); + + vx_toggle_dac_mute(chip, 1); + + /* Transfert data buffer from PC to DSP */ + for (i = 0; i < dsp->size; i += 3) { + image = dsp->data + i; + /* Wait DSP ready for a new read */ + if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0) { + printk("dsp loading error at position %d\n", i); + return err; + } + cptr = image; + 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); + + if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0) + return err; + + vx_toggle_dac_mute(chip, 0); + + vx_test_and_ack(chip); + vx_validate_irq(chip, 1); + + return 0; +} + +#ifdef CONFIG_PM +/* + * suspend + */ +static int snd_vx_suspend(snd_card_t *card, pm_message_t state) +{ + vx_core_t *chip = card->pm_private_data; + unsigned int i; + + snd_assert(chip, return -EINVAL); + + chip->chip_status |= VX_STAT_IN_SUSPEND; + for (i = 0; i < chip->hw->num_codecs; i++) + snd_pcm_suspend_all(chip->pcm[i]); + + return 0; +} + +/* + * resume + */ +static int snd_vx_resume(snd_card_t *card) +{ + vx_core_t *chip = card->pm_private_data; + int i, err; + + snd_assert(chip, return -EINVAL); + + chip->chip_status &= ~VX_STAT_CHIP_INIT; + + for (i = 0; i < 4; i++) { + if (! chip->firmware[i]) + continue; + err = chip->ops->load_dsp(chip, i, chip->firmware[i]); + if (err < 0) { + snd_printk(KERN_ERR "vx: firmware resume error at DSP %d\n", i); + return -EIO; + } + } + + chip->chip_status |= VX_STAT_CHIP_INIT; + chip->chip_status &= ~VX_STAT_IN_SUSPEND; + + return 0; +} + +#endif + +/** + * snd_vx_create - constructor for vx_core_t + * @hw: hardware specific record + * + * this function allocates the instance and prepare for the hardware + * initialization. + * + * 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 = kcalloc(1, sizeof(*chip) + extra_size, GFP_KERNEL); + if (! chip) { + snd_printk(KERN_ERR "vx_core: 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); + init_MUTEX(&chip->mixer_mutex); + + chip->card = card; + card->private_data = chip; + strcpy(card->driver, hw->name); + sprintf(card->shortname, "Digigram %s", hw->name); + + snd_card_set_pm_callback(card, snd_vx_suspend, snd_vx_resume, chip); + + vx_proc_init(chip); + + return chip; +} + +/* + * 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_setup_firmware); +EXPORT_SYMBOL(snd_vx_free_firmware); +EXPORT_SYMBOL(snd_vx_irq_handler); +EXPORT_SYMBOL(snd_vx_delay); +EXPORT_SYMBOL(snd_vx_dsp_boot); +EXPORT_SYMBOL(snd_vx_dsp_load); +EXPORT_SYMBOL(snd_vx_load_boot_image); diff --git a/sound/drivers/vx/vx_hwdep.c b/sound/drivers/vx/vx_hwdep.c new file mode 100644 index 000000000000..9a3dc3c3b3de --- /dev/null +++ b/sound/drivers/vx/vx_hwdep.c @@ -0,0 +1,249 @@ +/* + * Driver for Digigram VX soundcards + * + * DSP firmware management + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <sound/driver.h> +#include <linux/device.h> +#include <linux/firmware.h> +#include <sound/core.h> +#include <sound/hwdep.h> +#include <sound/vx_core.h> + +#ifdef SND_VX_FW_LOADER + +int snd_vx_setup_firmware(vx_core_t *chip) +{ + static char *fw_files[VX_TYPE_NUMS][4] = { + [VX_TYPE_BOARD] = { + NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56", + }, + [VX_TYPE_V2] = { + NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56", + }, + [VX_TYPE_MIC] = { + NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56", + }, + [VX_TYPE_VXPOCKET] = { + "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56" + }, + [VX_TYPE_VXP440] = { + "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56" + }, + }; + + int i, err; + + for (i = 0; i < 4; i++) { + char path[32]; + const struct firmware *fw; + if (! fw_files[chip->type][i]) + continue; + sprintf(path, "vx/%s", fw_files[chip->type][i]); + if (request_firmware(&fw, path, chip->dev)) { + snd_printk(KERN_ERR "vx: can't load firmware %s\n", path); + return -ENOENT; + } + err = chip->ops->load_dsp(chip, i, fw); + if (err < 0) { + release_firmware(fw); + return err; + } + if (i == 1) + chip->chip_status |= VX_STAT_XILINX_LOADED; +#ifdef CONFIG_PM + chip->firmware[i] = fw; +#else + release_firmware(fw); +#endif + } + + /* ok, we reached to the last one */ + /* create the devices if not built yet */ + if ((err = snd_vx_pcm_new(chip)) < 0) + return err; + + if ((err = snd_vx_mixer_new(chip)) < 0) + return err; + + if (chip->ops->add_controls) + if ((err = chip->ops->add_controls(chip)) < 0) + return err; + + chip->chip_status |= VX_STAT_DEVICE_INIT; + chip->chip_status |= VX_STAT_CHIP_INIT; + + return snd_card_register(chip->card); +} + +/* exported */ +void snd_vx_free_firmware(vx_core_t *chip) +{ +#ifdef CONFIG_PM + int i; + for (i = 0; i < 4; i++) + release_firmware(chip->firmware[i]); +#endif +} + +#else /* old style firmware loading */ + +static int vx_hwdep_open(snd_hwdep_t *hw, struct file *file) +{ + return 0; +} + +static int vx_hwdep_release(snd_hwdep_t *hw, struct file *file) +{ + return 0; +} + +static int vx_hwdep_dsp_status(snd_hwdep_t *hw, snd_hwdep_dsp_status_t *info) +{ + static char *type_ids[VX_TYPE_NUMS] = { + [VX_TYPE_BOARD] = "vxboard", + [VX_TYPE_V2] = "vx222", + [VX_TYPE_MIC] = "vx222", + [VX_TYPE_VXPOCKET] = "vxpocket", + [VX_TYPE_VXP440] = "vxp440", + }; + vx_core_t *vx = hw->private_data; + + snd_assert(type_ids[vx->type], return -EINVAL); + strcpy(info->id, type_ids[vx->type]); + if (vx_is_pcmcia(vx)) + info->num_dsps = 4; + else + info->num_dsps = 3; + if (vx->chip_status & VX_STAT_CHIP_INIT) + info->chip_ready = 1; + info->version = VX_DRIVER_VERSION; + return 0; +} + +static void free_fw(const struct firmware *fw) +{ + if (fw) { + vfree(fw->data); + kfree(fw); + } +} + +static int vx_hwdep_dsp_load(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp) +{ + vx_core_t *vx = hw->private_data; + int index, err; + struct firmware *fw; + + snd_assert(vx->ops->load_dsp, return -ENXIO); + + fw = kmalloc(sizeof(*fw), GFP_KERNEL); + if (! fw) { + snd_printk(KERN_ERR "cannot allocate firmware\n"); + return -ENOMEM; + } + fw->size = dsp->length; + fw->data = vmalloc(fw->size); + if (! fw->data) { + snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n", + (int)fw->size); + kfree(fw); + return -ENOMEM; + } + if (copy_from_user(fw->data, dsp->image, dsp->length)) { + free_fw(fw); + return -EFAULT; + } + + index = dsp->index; + if (! vx_is_pcmcia(vx)) + index++; + err = vx->ops->load_dsp(vx, index, fw); + if (err < 0) { + free_fw(fw); + return err; + } +#ifdef CONFIG_PM + vx->firmware[index] = fw; +#else + free_fw(fw); +#endif + + if (index == 1) + vx->chip_status |= VX_STAT_XILINX_LOADED; + if (index < 3) + return 0; + + /* ok, we reached to the last one */ + /* create the devices if not built yet */ + if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) { + if ((err = snd_vx_pcm_new(vx)) < 0) + return err; + + if ((err = snd_vx_mixer_new(vx)) < 0) + return err; + + if (vx->ops->add_controls) + if ((err = vx->ops->add_controls(vx)) < 0) + return err; + + if ((err = snd_card_register(vx->card)) < 0) + return err; + + vx->chip_status |= VX_STAT_DEVICE_INIT; + } + vx->chip_status |= VX_STAT_CHIP_INIT; + return 0; +} + + +/* exported */ +int snd_vx_setup_firmware(vx_core_t *chip) +{ + int err; + snd_hwdep_t *hw; + + if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0) + return err; + + hw->iface = SNDRV_HWDEP_IFACE_VX; + hw->private_data = chip; + hw->ops.open = vx_hwdep_open; + hw->ops.release = vx_hwdep_release; + hw->ops.dsp_status = vx_hwdep_dsp_status; + hw->ops.dsp_load = vx_hwdep_dsp_load; + hw->exclusive = 1; + sprintf(hw->name, "VX Loader (%s)", chip->card->driver); + chip->hwdep = hw; + + return snd_card_register(chip->card); +} + +/* exported */ +void snd_vx_free_firmware(vx_core_t *chip) +{ +#ifdef CONFIG_PM + int i; + for (i = 0; i < 4; i++) + free_fw(chip->firmware[i]); +#endif +} + +#endif /* SND_VX_FW_LOADER */ diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c new file mode 100644 index 000000000000..f00c88886460 --- /dev/null +++ b/sound/drivers/vx/vx_mixer.c @@ -0,0 +1,1000 @@ +/* + * Driver for Digigram VX soundcards + * + * Common mixer part + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <sound/driver.h> +#include <sound/core.h> +#include <sound/control.h> +#include <sound/vx_core.h> +#include "vx_cmd.h" + + +/* + * write a codec data (24bit) + */ +static void vx_write_codec_reg(vx_core_t *chip, int codec, unsigned int data) +{ + unsigned long flags; + + snd_assert(chip->ops->write_codec, return); + + if (chip->chip_status & VX_STAT_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); +} + + +/* + * vx_set_analog_output_level - set the output attenuation level + * @codec: the output codec, 0 or 1. (1 for VXP440 only) + * @left: left output level, 0 = mute + * @right: right output level + */ +static void vx_set_analog_output_level(vx_core_t *chip, int codec, int left, int right) +{ + left = chip->hw->output_level_max - left; + right = chip->hw->output_level_max - right; + + if (chip->ops->akm_write) { + chip->ops->akm_write(chip, XX_CODEC_LEVEL_LEFT_REGISTER, left); + chip->ops->akm_write(chip, XX_CODEC_LEVEL_RIGHT_REGISTER, right); + } else { + /* convert to attenuation level: 0 = 0dB (max), 0xe3 = -113.5 dB (min) */ + 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) +{ + unsigned int i; + for (i = 0; i < chip->hw->num_codecs; i++) { + if (chip->ops->akm_write) + chip->ops->akm_write(chip, XX_CODEC_DAC_CONTROL_REGISTER, mute); /* XXX */ + else + 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 cold_reset) +{ + unsigned int i; + int port = chip->type >= VX_TYPE_VXPOCKET ? 0x75 : 0x65; + + chip->ops->reset_codec(chip); + + /* AKM codecs should be initialized in reset_codec callback */ + if (! chip->ops->akm_write) { + /* initialize old codecs */ + 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] = 0; + chip->output_level[i][1] = 0; + vx_set_analog_output_level(chip, i, 0, 0); + } +} + +/* + * 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->chip_status & VX_STAT_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->chip_status & VX_STAT_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) { + /* validate flag for M2 at least to unmute it */ + rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_MONITORING_1 | VALID_AUDIO_IO_MUTE_MONITORING_2; + 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 // not used + +/* + * set the monitoring level and mute state of the given audio + * no more static, because must be called from vx_pcm to demute monitoring + */ +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) +{ + unsigned 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->chip_status & VX_STAT_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) +{ + vx_core_t *chip = snd_kcontrol_chip(kcontrol); + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = chip->hw->output_level_max; + 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; + down(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->output_level[codec][0]; + ucontrol->value.integer.value[1] = chip->output_level[codec][1]; + up(&chip->mixer_mutex); + 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 codec = kcontrol->id.index; + down(&chip->mixer_mutex); + if (ucontrol->value.integer.value[0] != chip->output_level[codec][0] || + ucontrol->value.integer.value[1] != chip->output_level[codec][1]) { + vx_set_analog_output_level(chip, codec, + ucontrol->value.integer.value[0], + ucontrol->value.integer.value[1]); + chip->output_level[codec][0] = ucontrol->value.integer.value[0]; + chip->output_level[codec][1] = ucontrol->value.integer.value[1]; + up(&chip->mixer_mutex); + return 1; + } + up(&chip->mixer_mutex); + 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); + down(&chip->mixer_mutex); + if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) { + chip->audio_source_target = ucontrol->value.enumerated.item[0]; + vx_sync_audio_source(chip); + up(&chip->mixer_mutex); + return 1; + } + up(&chip->mixer_mutex); + 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, +}; + +/* + * clock mode selection + */ +static int vx_clock_mode_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + static char *texts[3] = { + "Auto", "Internal", "External" + }; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = 3; + if (uinfo->value.enumerated.item > 2) + uinfo->value.enumerated.item = 2; + strcpy(uinfo->value.enumerated.name, + texts[uinfo->value.enumerated.item]); + return 0; +} + +static int vx_clock_mode_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->clock_mode; + return 0; +} + +static int vx_clock_mode_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + vx_core_t *chip = snd_kcontrol_chip(kcontrol); + down(&chip->mixer_mutex); + if (chip->clock_mode != ucontrol->value.enumerated.item[0]) { + chip->clock_mode = ucontrol->value.enumerated.item[0]; + vx_set_clock(chip, chip->freq); + up(&chip->mixer_mutex); + return 1; + } + up(&chip->mixer_mutex); + return 0; +} + +static snd_kcontrol_new_t vx_control_clock_mode = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Clock Mode", + .info = vx_clock_mode_info, + .get = vx_clock_mode_get, + .put = vx_clock_mode_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; + + down(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->audio_gain[capture][audio]; + ucontrol->value.integer.value[1] = chip->audio_gain[capture][audio+1]; + up(&chip->mixer_mutex); + 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; + + down(&chip->mixer_mutex); + 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]); + up(&chip->mixer_mutex); + return 1; + } + up(&chip->mixer_mutex); + 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; + + down(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->audio_monitor[audio]; + ucontrol->value.integer.value[1] = chip->audio_monitor[audio+1]; + up(&chip->mixer_mutex); + 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; + + down(&chip->mixer_mutex); + 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]); + up(&chip->mixer_mutex); + return 1; + } + up(&chip->mixer_mutex); + 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; + + down(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->audio_active[audio]; + ucontrol->value.integer.value[1] = chip->audio_active[audio+1]; + up(&chip->mixer_mutex); + 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; + + down(&chip->mixer_mutex); + 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]); + up(&chip->mixer_mutex); + return 1; + } + up(&chip->mixer_mutex); + 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; + + down(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->audio_monitor_active[audio]; + ucontrol->value.integer.value[1] = chip->audio_monitor_active[audio+1]; + up(&chip->mixer_mutex); + 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; + + down(&chip->mixer_mutex); + 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]); + up(&chip->mixer_mutex); + return 1; + } + up(&chip->mixer_mutex); + 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); + + down(&chip->mixer_mutex); + 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; + up(&chip->mixer_mutex); + 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); + down(&chip->mixer_mutex); + if (chip->uer_bits != val) { + chip->uer_bits = val; + vx_set_iec958_status(chip, val); + up(&chip->mixer_mutex); + return 1; + } + up(&chip->mixer_mutex); + 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) +{ + unsigned int i, c; + int 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; + /* clock mode */ + if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_clock_mode, 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 < 2; 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; +} diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c new file mode 100644 index 000000000000..98587176b327 --- /dev/null +++ b/sound/drivers/vx/vx_pcm.c @@ -0,0 +1,1312 @@ +/* + * Driver for Digigram VX soundcards + * + * PCM part + * + * Copyright (c) 2002,2003 by Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * + * STRATEGY + * for playback, we send series of "chunks", which size is equal with the + * IBL size, typically 126 samples. at each end of chunk, the end-of-buffer + * interrupt is notified, and the interrupt handler will feed the next chunk. + * + * the current position is calculated from the sample count RMH. + * pipe->transferred is the counter of data which has been already transferred. + * if this counter reaches to the period size, snd_pcm_period_elapsed() will + * be issued. + * + * for capture, the situation is much easier. + * to get a low latency response, we'll check the capture streams at each + * interrupt (capture stream has no EOB notification). if the pending + * data is accumulated to the period size, snd_pcm_period_elapsed() is + * called and the pointer is updated. + * + * the current point of read buffer is kept in pipe->hw_ptr. note that + * this is in bytes. + * + * + * TODO + * - linked trigger for full-duplex mode. + * - scheduled action on the stream. + */ + +#include <sound/driver.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/delay.h> +#include <sound/core.h> +#include <sound/asoundef.h> +#include <sound/pcm.h> +#include <sound/vx_core.h> +#include "vx_cmd.h" + + +/* + * 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); +} + +/* + * allocate a buffer via vmalloc_32(). + * called from hw_params + * NOTE: this may be called not only once per pcm open! + */ +static int snd_pcm_alloc_vmalloc_buffer(snd_pcm_substream_t *subs, size_t size) +{ + snd_pcm_runtime_t *runtime = subs->runtime; + if (runtime->dma_area) { + /* already allocated */ + if (runtime->dma_bytes >= size) + return 0; /* already enough large */ + vfree_nocheck(runtime->dma_area); /* bypass the memory wrapper */ + } + runtime->dma_area = vmalloc_32(size); + if (! runtime->dma_area) + return -ENOMEM; + memset(runtime->dma_area, 0, size); + runtime->dma_bytes = size; + return 1; /* changed */ +} + +/* + * free the buffer. + * called from 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); /* bypass the memory wrapper */ + runtime->dma_area = NULL; + } + return 0; +} + + +/* + * read three pending pcm bytes via inb() + */ +static void vx_pcm_read_per_bytes(vx_core_t *chip, snd_pcm_runtime_t *runtime, vx_pipe_t *pipe) +{ + int offset = pipe->hw_ptr; + unsigned char *buf = (unsigned char *)(runtime->dma_area + offset); + *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; + } + pipe->hw_ptr = offset; +} + +/* + * 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); +} + +/* + * set / query the IBL size + */ +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. + * + * NOTE: calling this function always switches to the stream mode. + * you'll need to disconnect the host to get back to the + * normal mode. + */ +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_conf_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 +/* + * vx boards do not support inter-card sync, besides + * only 126 samples require to be prepared before a pipe can start + */ +#define CAN_START_DELAY 2 /* wait 2ms only before asking if the pipe is ready*/ +#define WAIT_STATE_DELAY 2 /* wait 2ms after irqA was requested and check if the pipe state toggled*/ + +/* + * 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; + + /* 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) { + 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 + */ + mdelay(1); + } + } + + 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) + */ + 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; + mdelay(1); + } + 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 = NULL; + 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 = kcalloc(1, sizeof(*pipe), 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); + + 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 | + SNDRV_PCM_INFO_RESUME), + .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 = 1, + .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 = NULL; + unsigned int audio; + int err; + + if (chip->chip_status & VX_STAT_IS_STALE) + return -EBUSY; + + audio = subs->pcm->device * 2; + snd_assert(audio < chip->audio_outs, return -EINVAL); + + /* playback pipe may have been already allocated for monitoring */ + pipe = chip->playback_pipes[audio]; + if (! pipe) { + /* not allocated yet */ + err = vx_alloc_pipe(chip, 0, audio, 2, &pipe); /* stereo playback */ + if (err < 0) + return err; + chip->playback_pipes[audio] = pipe; + } + /* open for playback */ + pipe->references++; + + 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; + + /* align to 4 bytes (otherwise will be problematic when 24bit is used) */ + snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 4); + snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4); + + 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 = subs->runtime->private_data; + + if (--pipe->references == 0) { + chip->playback_pipes[pipe->number] = NULL; + 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_pcm_playback_transfer_chunk - transfer a single chunk + * @subs: substream + * @pipe: the pipe to transfer + * @size: chunk size in bytes + * + * transfer a single buffer chunk. EOB notificaton is added after that. + * called from the interrupt handler, too. + * + * return 0 if ok. + */ +static int vx_pcm_playback_transfer_chunk(vx_core_t *chip, snd_pcm_runtime_t *runtime, vx_pipe_t *pipe, int size) +{ + int space, err = 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); + snd_printd("error hbuffer\n"); + return space; + } + if (space < size) { + vx_send_rih(chip, IRQ_CONNECT_STREAM_NEXT); + snd_printd("no enough hbuffer space %d\n", space); + return -EIO; /* XRUN */ + } + + /* we don't need irqsave here, because this function + * is called from either trigger callback or irq handler + */ + spin_lock(&chip->lock); + vx_pseudo_dma_write(chip, runtime, pipe, size); + err = vx_notify_end_of_buffer(chip, pipe); + /* 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 >= (int)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 + */ +static void vx_pcm_playback_transfer(vx_core_t *chip, snd_pcm_substream_t *subs, vx_pipe_t *pipe, int nchunks) +{ + int i, err; + snd_pcm_runtime_t *runtime = subs->runtime; + + if (! pipe->prepared || (chip->chip_status & VX_STAT_IS_STALE)) + return; + for (i = 0; i < nchunks; i++) { + if ((err = vx_pcm_playback_transfer_chunk(chip, runtime, pipe, + chip->ibl.size)) < 0) + return; + } +} + +/* + * update the playback position and call snd_pcm_period_elapsed() if necessary + * called from interrupt handler + */ +static 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->chip_status & VX_STAT_IS_STALE)) { + if ((err = vx_update_pipe_position(chip, runtime, pipe)) < 0) + return; + if (pipe->transferred >= (int)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 = subs->pcm->private_data; + vx_pipe_t *pipe = subs->runtime->private_data; + int err; + + /* printk( KERN_DEBUG "DDDD tasklet delayed start jiffies = %ld\n", jiffies);*/ + + 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; + } + /* printk( KERN_DEBUG "dddd tasklet delayed start jiffies = %ld \n", jiffies);*/ +} + +/* + * 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 = subs->runtime->private_data; + int err; + + if (chip->chip_status & VX_STAT_IS_STALE) + return -EBUSY; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + if (! pipe->is_capture) + vx_pcm_playback_transfer(chip, subs, pipe, 2); + /* 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: + case SNDRV_PCM_TRIGGER_SUSPEND: + 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 ((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 = runtime->private_data; + 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 = runtime->private_data; + int err, data_mode; + // int max_size, nchunks; + + if (chip->chip_status & VX_STAT_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 (vx_is_pcmcia(chip)) { + pipe->align = 2; /* 16bit word */ + } else { + pipe->align = 4; /* 32bit word */ + } + + pipe->buffer_bytes = frames_to_bytes(runtime, runtime->buffer_size); + pipe->period_bytes = frames_to_bytes(runtime, runtime->period_size); + pipe->hw_ptr = 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 | + SNDRV_PCM_INFO_RESUME), + .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 = 1, + .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; + vx_pipe_t *pipe_out_monitoring = NULL; + unsigned int audio; + int err; + + if (chip->chip_status & VX_STAT_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; + + /* check if monitoring is needed */ + if (chip->audio_monitor_active[audio]) { + pipe_out_monitoring = chip->playback_pipes[audio]; + if (! pipe_out_monitoring) { + /* allocate a pipe */ + err = vx_alloc_pipe(chip, 0, audio, 2, &pipe_out_monitoring); + if (err < 0) + return err; + chip->playback_pipes[audio] = pipe_out_monitoring; + } + pipe_out_monitoring->references++; + /* + if an output pipe is available, it's audios still may need to be + unmuted. hence we'll have to call a mixer entry point. + */ + vx_set_monitor_level(chip, audio, chip->audio_monitor[audio], chip->audio_monitor_active[audio]); + /* assuming stereo */ + vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1], chip->audio_monitor_active[audio+1]); + } + + pipe->monitoring_pipe = pipe_out_monitoring; /* default value NULL */ + + runtime->hw = vx_pcm_capture_hw; + runtime->hw.period_bytes_min = chip->ibl.size; + runtime->private_data = pipe; + + /* align to 4 bytes (otherwise will be problematic when 24bit is used) */ + snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 4); + snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4); + + 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; + vx_pipe_t *pipe_out_monitoring; + + if (! subs->runtime->private_data) + return -EINVAL; + pipe = subs->runtime->private_data; + chip->capture_pipes[pipe->number] = NULL; + + pipe_out_monitoring = pipe->monitoring_pipe; + + /* + if an output pipe is attached to this input, + check if it needs to be released. + */ + if (pipe_out_monitoring) { + if (--pipe_out_monitoring->references == 0) { + vx_free_pipe(chip, pipe_out_monitoring); + chip->playback_pipes[pipe->number] = NULL; + pipe->monitoring_pipe = NULL; + } + } + + vx_free_pipe(chip, pipe); + return 0; +} + + + +#define DMA_READ_ALIGN 6 /* hardware alignment for read */ + +/* + * vx_pcm_capture_update - update the capture buffer + */ +static void vx_pcm_capture_update(vx_core_t *chip, snd_pcm_substream_t *subs, vx_pipe_t *pipe) +{ + int size, space, count; + snd_pcm_runtime_t *runtime = subs->runtime; + + if (! pipe->prepared || (chip->chip_status & VX_STAT_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) + goto _error; + if (size > space) + size = space; + size = (size / 3) * 3; /* align to 3 bytes */ + if (size < DMA_READ_ALIGN) + goto _error; + + /* keep the last 6 bytes, they will be read after disconnection */ + count = size - DMA_READ_ALIGN; + /* read bytes until the current pointer reaches to the aligned position + * for word-transfer + */ + while (count > 0) { + if ((pipe->hw_ptr % pipe->align) == 0) + break; + if (vx_wait_for_rx_full(chip) < 0) + goto _error; + vx_pcm_read_per_bytes(chip, runtime, pipe); + count -= 3; + } + if (count > 0) { + /* ok, let's accelerate! */ + int align = pipe->align * 3; + space = (count / align) * align; + vx_pseudo_dma_read(chip, runtime, pipe, space); + count -= space; + } + /* read the rest of bytes */ + while (count > 0) { + if (vx_wait_for_rx_full(chip) < 0) + goto _error; + vx_pcm_read_per_bytes(chip, runtime, pipe); + count -= 3; + } + /* disconnect the host, SIZE_HBUF command always switches to the stream mode */ + vx_send_rih_nolock(chip, IRQ_CONNECT_STREAM_NEXT); + /* read the last pending 6 bytes */ + count = DMA_READ_ALIGN; + while (count > 0) { + vx_pcm_read_per_bytes(chip, runtime, pipe); + count -= 3; + } + /* update the position */ + pipe->transferred += size; + if (pipe->transferred >= pipe->period_bytes) { + pipe->transferred %= pipe->period_bytes; + snd_pcm_period_elapsed(subs); + } + return; + + _error: + /* disconnect the host, SIZE_HBUF command always switches to the stream mode */ + vx_send_rih_nolock(chip, IRQ_CONNECT_STREAM_NEXT); + return; +} + +/* + * 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 = runtime->private_data; + return bytes_to_frames(runtime, 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, +}; + + +/* + * interrupt handler for pcm streams + */ +void vx_pcm_update_intr(vx_core_t *chip, unsigned int events) +{ + unsigned int i; + vx_pipe_t *pipe; + +#define EVENT_MASK (END_OF_BUFFER_EVENTS_PENDING|ASYNC_EVENTS_PENDING) + + if (events & EVENT_MASK) { + vx_init_rmh(&chip->irq_rmh, CMD_ASYNC); + if (events & ASYNC_EVENTS_PENDING) + chip->irq_rmh.Cmd[0] |= 0x00000001; /* SEL_ASYNC_EVENTS */ + if (events & END_OF_BUFFER_EVENTS_PENDING) + chip->irq_rmh.Cmd[0] |= 0x00000002; /* SEL_END_OF_BUF_EVENTS */ + + if (vx_send_msg(chip, &chip->irq_rmh) < 0) { + snd_printdd(KERN_ERR "msg send error!!\n"); + return; + } + + i = 1; + while (i < chip->irq_rmh.LgStat) { + int p, buf, capture, eob; + p = chip->irq_rmh.Stat[i] & MASK_FIRST_FIELD; + capture = (chip->irq_rmh.Stat[i] & 0x400000) ? 1 : 0; + eob = (chip->irq_rmh.Stat[i] & 0x800000) ? 1 : 0; + i++; + if (events & ASYNC_EVENTS_PENDING) + i++; + buf = 1; /* force to transfer */ + if (events & END_OF_BUFFER_EVENTS_PENDING) { + if (eob) + buf = chip->irq_rmh.Stat[i]; + i++; + } + if (capture) + continue; + snd_assert(p >= 0 && (unsigned int)p < chip->audio_outs,); + pipe = chip->playback_pipes[p]; + if (pipe && pipe->substream) { + vx_pcm_playback_update(chip, pipe->substream, pipe); + vx_pcm_playback_transfer(chip, pipe->substream, pipe, buf); + } + } + } + + /* update the capture pcm pointers as frequently as possible */ + 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); + } +} + + +/* + * 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; + int preferred; + + 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); + + preferred = chip->ibl.size; + chip->ibl.size = 0; + vx_set_ibl(chip, &chip->ibl); /* query the info */ + if (preferred > 0) { + chip->ibl.size = ((preferred + chip->ibl.granularity - 1) / chip->ibl.granularity) * chip->ibl.granularity; + if (chip->ibl.size > chip->ibl.max_size) + chip->ibl.size = chip->ibl.max_size; + } else + chip->ibl.size = chip->ibl.min_size; /* set to the minimum */ + vx_set_ibl(chip, &chip->ibl); + + return 0; +} + + +/* + * free callback for pcm + */ +static void snd_vx_pcm_free(snd_pcm_t *pcm) +{ + vx_core_t *chip = pcm->private_data; + chip->pcm[pcm->device] = NULL; + if (chip->playback_pipes) { + kfree(chip->playback_pipes); + chip->playback_pipes = NULL; + } + if (chip->capture_pipes) { + kfree(chip->capture_pipes); + chip->capture_pipes = NULL; + } +} + +/* + * snd_vx_pcm_new - create and initialize a pcm + */ +int snd_vx_pcm_new(vx_core_t *chip) +{ + snd_pcm_t *pcm; + unsigned int i; + int err; + + if ((err = vx_init_audio_io(chip)) < 0) + return err; + + for (i = 0; i < chip->hw->num_codecs; i++) { + unsigned 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, "VX PCM", 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_vx_pcm_free; + pcm->info_flags = 0; + strcpy(pcm->name, chip->card->shortname); + chip->pcm[i] = pcm; + } + + return 0; +} diff --git a/sound/drivers/vx/vx_uer.c b/sound/drivers/vx/vx_uer.c new file mode 100644 index 000000000000..18114713c3b3 --- /dev/null +++ b/sound/drivers/vx/vx_uer.c @@ -0,0 +1,321 @@ +/* + * Driver for Digigram VX soundcards + * + * IEC958 stuff + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <sound/driver.h> +#include <linux/delay.h> +#include <sound/core.h> +#include <sound/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; /* 0 or 1 */ + spin_lock_irqsave(&chip->lock, flags); + if (vx_is_pcmcia(chip)) { + 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 (vx_is_pcmcia(chip)) + 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, unsigned 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 (vx_is_pcmcia(chip)) { + 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->chip_status & VX_STAT_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, unsigned int freq) +{ + int src_changed = 0; + + if (chip->chip_status & VX_STAT_IS_STALE) + return 0; + + /* change the audio source if possible */ + vx_sync_audio_source(chip); + + if (chip->clock_mode == VX_CLOCK_MODE_EXTERNAL || + (chip->clock_mode == VX_CLOCK_MODE_AUTO && + chip->audio_source == VX_AUDIO_SRC_DIGITAL)) { + if (chip->clock_source != UER_SYNC) { + vx_change_clock_source(chip, UER_SYNC); + mdelay(6); + src_changed = 1; + } + } else if (chip->clock_mode == VX_CLOCK_MODE_INTERNAL || + (chip->clock_mode == VX_CLOCK_MODE_AUTO && + chip->audio_source != VX_AUDIO_SRC_DIGITAL)) { + 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); + } + if (chip->freq == freq) + return 0; + 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->chip_status & VX_STAT_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; +} |
