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/*
* TC Applied Technologies Digital Interface Communications Engine driver
*
* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
* Licensed under the terms of the GNU General Public License, version 2.
*/
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firewire.h>
#include <linux/firewire-constants.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/hwdep.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include "amdtp.h"
#include "iso-resources.h"
#include "lib.h"
#define DICE_PRIVATE_SPACE 0xffffe0000000uLL
/* offset from DICE_PRIVATE_SPACE; offsets and sizes in quadlets */
#define DICE_GLOBAL_OFFSET 0x00
#define DICE_GLOBAL_SIZE 0x04
#define DICE_TX_OFFSET 0x08
#define DICE_TX_SIZE 0x0c
#define DICE_RX_OFFSET 0x10
#define DICE_RX_SIZE 0x14
/* pointed to by DICE_GLOBAL_OFFSET */
#define GLOBAL_OWNER 0x000
#define OWNER_NO_OWNER 0xffff000000000000uLL
#define OWNER_NODE_SHIFT 48
#define GLOBAL_NOTIFICATION 0x008
#define NOTIFY_RX_CFG_CHG 0x00000001
#define NOTIFY_TX_CFG_CHG 0x00000002
#define NOTIFY_DUP_ISOC 0x00000004
#define NOTIFY_BW_ERR 0x00000008
#define NOTIFY_LOCK_CHG 0x00000010
#define NOTIFY_CLOCK_ACCEPTED 0x00000020
#define NOTIFY_INTERFACE_CHG 0x00000040
#define NOTIFY_MESSAGE 0x00100000
#define GLOBAL_NICK_NAME 0x00c
#define NICK_NAME_SIZE 64
#define GLOBAL_CLOCK_SELECT 0x04c
#define CLOCK_SOURCE_MASK 0x000000ff
#define CLOCK_SOURCE_AES1 0x00000000
#define CLOCK_SOURCE_AES2 0x00000001
#define CLOCK_SOURCE_AES3 0x00000002
#define CLOCK_SOURCE_AES4 0x00000003
#define CLOCK_SOURCE_AES_ANY 0x00000004
#define CLOCK_SOURCE_ADAT 0x00000005
#define CLOCK_SOURCE_TDIF 0x00000006
#define CLOCK_SOURCE_WC 0x00000007
#define CLOCK_SOURCE_ARX1 0x00000008
#define CLOCK_SOURCE_ARX2 0x00000009
#define CLOCK_SOURCE_ARX3 0x0000000a
#define CLOCK_SOURCE_ARX4 0x0000000b
#define CLOCK_SOURCE_INTERNAL 0x0000000c
#define CLOCK_RATE_MASK 0x0000ff00
#define CLOCK_RATE_32000 0x00000000
#define CLOCK_RATE_44100 0x00000100
#define CLOCK_RATE_48000 0x00000200
#define CLOCK_RATE_88200 0x00000300
#define CLOCK_RATE_96000 0x00000400
#define CLOCK_RATE_176400 0x00000500
#define CLOCK_RATE_192000 0x00000600
#define CLOCK_RATE_ANY_LOW 0x00000700
#define CLOCK_RATE_ANY_MID 0x00000800
#define CLOCK_RATE_ANY_HIGH 0x00000900
#define CLOCK_RATE_NONE 0x00000a00
#define CLOCK_RATE_SHIFT 8
#define GLOBAL_ENABLE 0x050
#define ENABLE 0x00000001
#define GLOBAL_STATUS 0x054
#define STATUS_SOURCE_LOCKED 0x00000001
#define STATUS_RATE_CONFLICT 0x00000002
#define STATUS_NOMINAL_RATE_MASK 0x0000ff00
#define GLOBAL_EXTENDED_STATUS 0x058
#define EXT_STATUS_AES1_LOCKED 0x00000001
#define EXT_STATUS_AES2_LOCKED 0x00000002
#define EXT_STATUS_AES3_LOCKED 0x00000004
#define EXT_STATUS_AES4_LOCKED 0x00000008
#define EXT_STATUS_ADAT_LOCKED 0x00000010
#define EXT_STATUS_TDIF_LOCKED 0x00000020
#define EXT_STATUS_ARX1_LOCKED 0x00000040
#define EXT_STATUS_ARX2_LOCKED 0x00000080
#define EXT_STATUS_ARX3_LOCKED 0x00000100
#define EXT_STATUS_ARX4_LOCKED 0x00000200
#define EXT_STATUS_WC_LOCKED 0x00000400
#define EXT_STATUS_AES1_SLIP 0x00010000
#define EXT_STATUS_AES2_SLIP 0x00020000
#define EXT_STATUS_AES3_SLIP 0x00040000
#define EXT_STATUS_AES4_SLIP 0x00080000
#define EXT_STATUS_ADAT_SLIP 0x00100000
#define EXT_STATUS_TDIF_SLIP 0x00200000
#define EXT_STATUS_ARX1_SLIP 0x00400000
#define EXT_STATUS_ARX2_SLIP 0x00800000
#define EXT_STATUS_ARX3_SLIP 0x01000000
#define EXT_STATUS_ARX4_SLIP 0x02000000
#define EXT_STATUS_WC_SLIP 0x04000000
#define GLOBAL_SAMPLE_RATE 0x05c
#define GLOBAL_VERSION 0x060
#define GLOBAL_CLOCK_CAPABILITIES 0x064
#define CLOCK_CAP_RATE_32000 0x00000001
#define CLOCK_CAP_RATE_44100 0x00000002
#define CLOCK_CAP_RATE_48000 0x00000004
#define CLOCK_CAP_RATE_88200 0x00000008
#define CLOCK_CAP_RATE_96000 0x00000010
#define CLOCK_CAP_RATE_176400 0x00000020
#define CLOCK_CAP_RATE_192000 0x00000040
#define CLOCK_CAP_SOURCE_AES1 0x00010000
#define CLOCK_CAP_SOURCE_AES2 0x00020000
#define CLOCK_CAP_SOURCE_AES3 0x00040000
#define CLOCK_CAP_SOURCE_AES4 0x00080000
#define CLOCK_CAP_SOURCE_AES_ANY 0x00100000
#define CLOCK_CAP_SOURCE_ADAT 0x00200000
#define CLOCK_CAP_SOURCE_TDIF 0x00400000
#define CLOCK_CAP_SOURCE_WC 0x00800000
#define CLOCK_CAP_SOURCE_ARX1 0x01000000
#define CLOCK_CAP_SOURCE_ARX2 0x02000000
#define CLOCK_CAP_SOURCE_ARX3 0x04000000
#define CLOCK_CAP_SOURCE_ARX4 0x08000000
#define CLOCK_CAP_SOURCE_INTERNAL 0x10000000
#define GLOBAL_CLOCK_SOURCE_NAMES 0x068
#define CLOCK_SOURCE_NAMES_SIZE 256
/* pointed to by DICE_TX_OFFSET */
#define TX_NUMBER 0x000
#define TX_SIZE 0x004
/* repeated TX_NUMBER times, offset by TX_SIZE quadlets */
#define TX_ISOCHRONOUS 0x008
#define TX_NUMBER_AUDIO 0x00c
#define TX_NUMBER_MIDI 0x010
#define TX_SPEED 0x014
#define TX_NAMES 0x018
#define TX_NAMES_SIZE 256
#define TX_AC3_CAPABILITIES 0x118
#define TX_AC3_ENABLE 0x11c
/* pointed to by DICE_RX_OFFSET */
#define RX_NUMBER 0x000
#define RX_SIZE 0x004
/* repeated RX_NUMBER times, offset by RX_SIZE quadlets */
#define RX_ISOCHRONOUS 0x008
#define RX_SEQ_START 0x00c
#define RX_NUMBER_AUDIO 0x010
#define RX_NUMBER_MIDI 0x014
#define RX_NAMES 0x018
#define RX_NAMES_SIZE 256
#define RX_AC3_CAPABILITIES 0x118
#define RX_AC3_ENABLE 0x11c
#define FIRMWARE_LOAD_SPACE 0xffffe0100000uLL
/* offset from FIRMWARE_LOAD_SPACE */
#define FIRMWARE_VERSION 0x000
#define FIRMWARE_OPCODE 0x004
#define OPCODE_MASK 0x00000fff
#define OPCODE_GET_IMAGE_DESC 0x00000000
#define OPCODE_DELETE_IMAGE 0x00000001
#define OPCODE_CREATE_IMAGE 0x00000002
#define OPCODE_UPLOAD 0x00000003
#define OPCODE_UPLOAD_STAT 0x00000004
#define OPCODE_RESET_IMAGE 0x00000005
#define OPCODE_TEST_ACTION 0x00000006
#define OPCODE_GET_RUNNING_IMAGE_VINFO 0x0000000a
#define OPCODE_EXECUTE 0x80000000
#define FIRMWARE_RETURN_STATUS 0x008
#define FIRMWARE_PROGRESS 0x00c
#define PROGRESS_CURR_MASK 0x00000fff
#define PROGRESS_MAX_MASK 0x00fff000
#define PROGRESS_TOUT_MASK 0x0f000000
#define PROGRESS_FLAG 0x80000000
#define FIRMWARE_CAPABILITIES 0x010
#define FL_CAP_AUTOERASE 0x00000001
#define FL_CAP_PROGRESS 0x00000002
#define FIRMWARE_DATA 0x02c
#define TEST_CMD_POKE 0x00000001
#define TEST_CMD_PEEK 0x00000002
#define CMD_GET_AVS_CNT 0x00000003
#define CMD_CLR_AVS_CNT 0x00000004
#define CMD_SET_MODE 0x00000005
#define CMD_SET_MIDIBP 0x00000006
#define CMD_GET_AVSPHASE 0x00000007
#define CMD_ENABLE_BNC_SYNC 0x00000008
#define CMD_PULSE_BNC_SYNC 0x00000009
#define CMD_EMUL_SLOW_CMD 0x0000000a
#define FIRMWARE_TEST_DELAY 0xfd8
#define FIRMWARE_TEST_BUF 0xfdc
/* EAP */
#define EAP_PRIVATE_SPACE 0xffffe0200000uLL
#define EAP_CAPABILITY_OFFSET 0x000
#define EAP_CAPABILITY_SIZE 0x004
/* ... */
#define EAP_ROUTER_CAPS 0x000
#define ROUTER_EXPOSED 0x00000001
#define ROUTER_READ_ONLY 0x00000002
#define ROUTER_FLASH 0x00000004
#define MAX_ROUTES_MASK 0xffff0000
#define EAP_MIXER_CAPS 0x004
#define MIXER_EXPOSED 0x00000001
#define MIXER_READ_ONLY 0x00000002
#define MIXER_FLASH 0x00000004
#define MIXER_IN_DEV_MASK 0x000000f0
#define MIXER_OUT_DEV_MASK 0x00000f00
#define MIXER_INPUTS_MASK 0x00ff0000
#define MIXER_OUTPUTS_MASK 0xff000000
#define EAP_GENERAL_CAPS 0x008
#define GENERAL_STREAM_CONFIG 0x00000001
#define GENERAL_FLASH 0x00000002
#define GENERAL_PEAK 0x00000004
#define GENERAL_MAX_TX_STREAMS_MASK 0x000000f0
#define GENERAL_MAX_RX_STREAMS_MASK 0x00000f00
#define GENERAL_STREAM_CONFIG_FLASH 0x00001000
#define GENERAL_CHIP_MASK 0x00ff0000
#define GENERAL_CHIP_DICE_II 0x00000000
#define GENERAL_CHIP_DICE_MINI 0x00010000
#define GENERAL_CHIP_DICE_JR 0x00020000
struct dice {
struct snd_card *card;
struct fw_unit *unit;
struct mutex mutex;
unsigned int global_offset;
unsigned int rx_offset;
struct fw_address_handler notification_handler;
int owner_generation;
bool global_enabled;
bool stream_running;
struct snd_pcm_substream *pcm;
struct fw_iso_resources resources;
struct amdtp_out_stream stream;
};
MODULE_DESCRIPTION("DICE driver");
MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
MODULE_LICENSE("GPL v2");
static const unsigned int dice_rates[] = {
[0] = 32000,
[1] = 44100,
[2] = 48000,
[3] = 88200,
[4] = 96000,
[5] = 176400,
[6] = 192000,
};
static inline u64 global_address(struct dice *dice, unsigned int offset)
{
return DICE_PRIVATE_SPACE + dice->global_offset + offset;
}
// TODO: rx index
static inline u64 rx_
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