marvin
/
us144mkii
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

config handshake fix

This commit is contained in:
serifpersia 2025-07-21 15:44:09 +02:00
parent e6b9599f55
commit 6d4bf9d360
1 changed files with 41 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
us144mkii.c
View File

@ -42,25 +42,44 @@ static int dev_idx;
#define RT_D2H_CLASS_EP (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT)
#define RT_H2D_VENDOR_DEV (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
#define RT_D2H_VENDOR_DEV (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
#define UAC_SET_CUR 0x01
#define UAC_GET_CUR 0x81
#define UAC_SAMPLING_FREQ_CONTROL 0x0100
#define VENDOR_REQ_REGISTER_WRITE 0x41
#define VENDOR_REQ_MODE_CONTROL 0x49
#define MODE_VAL_HANDSHAKE_READ 0x0000
#define MODE_VAL_CONFIG 0x0010
#define MODE_VAL_STREAM_START 0x0030
enum uac_request {
UAC_SET_CUR = 0x01,
UAC_GET_CUR = 0x81,
};
enum uac_control_selector {
UAC_SAMPLING_FREQ_CONTROL = 0x0100,
};
enum tascam_vendor_request {
VENDOR_REQ_REGISTER_WRITE = 0x41,
VENDOR_REQ_MODE_CONTROL = 0x49,
};
enum tascam_mode_value {
MODE_VAL_HANDSHAKE_READ = 0x0000,
MODE_VAL_CONFIG = 0x0010,
MODE_VAL_STREAM_START = 0x0030,
};
#define HANDSHAKE_SUCCESS_VAL 0x12
#define REG_ADDR_UNKNOWN_0D 0x0d04
#define REG_ADDR_UNKNOWN_0E 0x0e00
#define REG_ADDR_UNKNOWN_0F 0x0f00
#define REG_ADDR_RATE_44100 0x1000
#define REG_ADDR_RATE_48000 0x1002
#define REG_ADDR_RATE_88200 0x1008
#define REG_ADDR_RATE_96000 0x100a
#define REG_ADDR_UNKNOWN_11 0x110b
enum tascam_register {
REG_ADDR_UNKNOWN_0D = 0x0d04,
REG_ADDR_UNKNOWN_0E = 0x0e00,
REG_ADDR_UNKNOWN_0F = 0x0f00,
REG_ADDR_RATE_44100 = 0x1000,
REG_ADDR_RATE_48000 = 0x1002,
REG_ADDR_RATE_88200 = 0x1008,
REG_ADDR_RATE_96000 = 0x100a,
REG_ADDR_UNKNOWN_11 = 0x110b,
};
#define REG_VAL_ENABLE 0x0101
/* --- URB Configuration --- */
#define NUM_PLAYBACK_URBS 8
#define PLAYBACK_URB_PACKETS 4
@ -2056,9 +2075,13 @@ static int tascam_probe(struct usb_interface *intf, const struct usb_device_id *
if (err == 1 && handshake_buf[0] == HANDSHAKE_SUCCESS_VAL) {
dev_info(&intf->dev, "Handshake successful.\n");
} else {
dev_warn(&intf->dev, "Handshake failed (err %d, val 0x%02x), continuing anyway.\n",
if (handshake_buf[0] != HANDSHAKE_SUCCESS_VAL &&
handshake_buf[0] != MODE_VAL_STREAM_START &&
handshake_buf[0] != 0x32) {
dev_warn(&intf->dev, "Handshake failed with unexpected value (err %d, val 0x%02x), continuing anyway.\n",
err, (unsigned int)(err > 0 ? handshake_buf[0] : 0));
}
}
kfree(handshake_buf);
/*