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f3f80a9205
The snd-usb-caiaq driver causes Oops occasionally when accessing MIDI devices. This patch fixes the Oops and invalid URB submission errors as well. Cc: stable@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
129 lines
3.4 KiB
C
129 lines
3.4 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_AUDIO8DJ 0x1978
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#define USB_PID_SESSIONIO 0x1915
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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;
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char *audio_in_buf, *audio_out_buf;
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unsigned int samplerates;
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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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