9311c9b4f1
Drop inbound packets that are smaller than expected. This has been observed at the very beginning of the streaming transaction. And when the hardware is in panic mode (which can only very rarely happen in case of massive EMI chaos), mute the input channels. Signed-off-by: Daniel Mack <daniel@caiaq.de> Tested-by: Mark Hills <mark@pogo.org.uk> Signed-off-by: Takashi Iwai <tiwai@suse.de>
132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
#ifndef CAIAQ_DEVICE_H
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#define CAIAQ_DEVICE_H
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#include "../usbaudio.h"
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#define USB_VID_NATIVEINSTRUMENTS 0x17cc
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#define USB_PID_RIGKONTROL2 0x1969
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#define USB_PID_RIGKONTROL3 0x1940
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#define USB_PID_KORECONTROLLER 0x4711
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#define USB_PID_KORECONTROLLER2 0x4712
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#define USB_PID_AK1 0x0815
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#define USB_PID_AUDIO4DJ 0x0839
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#define USB_PID_AUDIO8DJ 0x1978
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#define USB_PID_SESSIONIO 0x1915
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#define USB_PID_GUITARRIGMOBILE 0x0d8d
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#define EP1_BUFSIZE 64
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#define CAIAQ_USB_STR_LEN 0xff
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#define MAX_STREAMS 32
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//#define SND_USB_CAIAQ_DEBUG
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#define MODNAME "snd-usb-caiaq"
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#define log(x...) snd_printk(KERN_WARNING MODNAME" log: " x)
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#ifdef SND_USB_CAIAQ_DEBUG
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#define debug(x...) snd_printk(KERN_WARNING MODNAME " debug: " x)
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#else
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#define debug(x...) do { } while(0)
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#endif
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#define EP1_CMD_GET_DEVICE_INFO 0x1
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#define EP1_CMD_READ_ERP 0x2
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#define EP1_CMD_READ_ANALOG 0x3
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#define EP1_CMD_READ_IO 0x4
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#define EP1_CMD_WRITE_IO 0x5
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#define EP1_CMD_MIDI_READ 0x6
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#define EP1_CMD_MIDI_WRITE 0x7
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#define EP1_CMD_AUDIO_PARAMS 0x9
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#define EP1_CMD_AUTO_MSG 0xb
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#define EP1_CMD_DIMM_LEDS 0xc
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struct caiaq_device_spec {
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unsigned short fw_version;
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unsigned char hw_subtype;
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unsigned char num_erp;
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unsigned char num_analog_in;
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unsigned char num_digital_in;
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unsigned char num_digital_out;
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unsigned char num_analog_audio_out;
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unsigned char num_analog_audio_in;
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unsigned char num_digital_audio_out;
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unsigned char num_digital_audio_in;
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unsigned char num_midi_out;
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unsigned char num_midi_in;
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unsigned char data_alignment;
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} __attribute__ ((packed));
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struct snd_usb_caiaq_cb_info;
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struct snd_usb_caiaqdev {
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struct snd_usb_audio chip;
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struct urb ep1_in_urb;
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struct urb midi_out_urb;
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struct urb **data_urbs_in;
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struct urb **data_urbs_out;
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struct snd_usb_caiaq_cb_info *data_cb_info;
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unsigned char ep1_in_buf[EP1_BUFSIZE];
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unsigned char ep1_out_buf[EP1_BUFSIZE];
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unsigned char midi_out_buf[EP1_BUFSIZE];
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struct caiaq_device_spec spec;
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spinlock_t spinlock;
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wait_queue_head_t ep1_wait_queue;
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wait_queue_head_t prepare_wait_queue;
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int spec_received, audio_parm_answer;
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int midi_out_active;
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char vendor_name[CAIAQ_USB_STR_LEN];
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char product_name[CAIAQ_USB_STR_LEN];
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char serial[CAIAQ_USB_STR_LEN];
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int n_streams, n_audio_in, n_audio_out;
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int streaming, first_packet, output_running;
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int audio_in_buf_pos[MAX_STREAMS];
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int audio_out_buf_pos[MAX_STREAMS];
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int period_in_count[MAX_STREAMS];
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int period_out_count[MAX_STREAMS];
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int input_panic, output_panic, warned;
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char *audio_in_buf, *audio_out_buf;
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unsigned int samplerates, bpp;
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struct snd_pcm_substream *sub_playback[MAX_STREAMS];
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struct snd_pcm_substream *sub_capture[MAX_STREAMS];
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/* Controls */
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unsigned char control_state[64];
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/* Linux input */
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#ifdef CONFIG_SND_USB_CAIAQ_INPUT
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struct input_dev *input_dev;
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char phys[64]; /* physical device path */
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unsigned short keycode[64];
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#endif
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/* ALSA */
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struct snd_pcm *pcm;
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struct snd_pcm_hardware pcm_info;
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struct snd_rawmidi *rmidi;
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struct snd_rawmidi_substream *midi_receive_substream;
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struct snd_rawmidi_substream *midi_out_substream;
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};
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struct snd_usb_caiaq_cb_info {
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struct snd_usb_caiaqdev *dev;
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int index;
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};
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#define caiaqdev(c) ((struct snd_usb_caiaqdev*)(c)->private_data)
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int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev, int rate, int depth, int bbp);
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int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *dev, int digital, int analog, int erp);
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int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
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unsigned char command,
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const unsigned char *buffer,
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int len);
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#endif /* CAIAQ_DEVICE_H */
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