unsigned int blkbits; /* Bits of logical block size of bound block device */
unsigned int blksize; /* logical block size of bound block device */
struct device dev;
+#ifdef CONFIG_MTK_ICUSB_SUPPORT
+ char isICUSB;
+#endif
};
static inline bool fsg_lun_is_open(struct fsg_lun *curlun)
};
+#ifdef CONFIG_USBIF_COMPLIANCE
+static struct usb_otg_descriptor
+fsg_otg_desc = {
+ .bLength = sizeof fsg_otg_desc,
+ .bDescriptorType = USB_DT_OTG,
+/* OTG 2.0: */
+ .bmAttributes = USB_OTG_SRP | USB_OTG_HNP,
+ .bcdOTG = cpu_to_le16(0x200),
+};
+#endif
+
/* There is only one interface. */
static struct usb_interface_descriptor
};
static struct usb_descriptor_header *fsg_fs_function[] = {
+#ifdef CONFIG_USBIF_COMPLIANCE
+ (struct usb_descriptor_header *) &fsg_otg_desc,
+#endif
(struct usb_descriptor_header *) &fsg_intf_desc,
(struct usb_descriptor_header *) &fsg_fs_bulk_in_desc,
(struct usb_descriptor_header *) &fsg_fs_bulk_out_desc,
static struct usb_descriptor_header *fsg_hs_function[] = {
+#ifdef CONFIG_USBIF_COMPLIANCE
+ (struct usb_descriptor_header *) &fsg_otg_desc,
+#endif
(struct usb_descriptor_header *) &fsg_intf_desc,
(struct usb_descriptor_header *) &fsg_hs_bulk_in_desc,
(struct usb_descriptor_header *) &fsg_hs_bulk_out_desc,
};
static struct usb_descriptor_header *fsg_ss_function[] = {
+#ifdef CONFIG_USBIF_COMPLIANCE
+ (struct usb_descriptor_header *) &fsg_otg_desc,
+#endif
(struct usb_descriptor_header *) &fsg_intf_desc,
(struct usb_descriptor_header *) &fsg_ss_bulk_in_desc,
(struct usb_descriptor_header *) &fsg_ss_bulk_in_comp_desc,
unsigned int blkbits;
unsigned int blksize;
+#ifdef CONFIG_MTK_ICUSB_SUPPORT
+#define ICUSB_STORAGE_LABEL "/dev/block/vold/8:"
+ if(strstr(filename, ICUSB_STORAGE_LABEL))
+ {
+ printk(KERN_WARNING "filename : %s, set isICUSB to 0\n", filename);
+ curlun->isICUSB = 1;
+ }
+ else
+ {
+ printk(KERN_WARNING "filename : %s, set isICUSB to 1\n", filename);
+ curlun->isICUSB = 0;
+ }
+#endif
+
/* R/W if we can, R/O if we must */
ro = curlun->initially_ro;
if (!ro) {
}
}
+/**
+ * fsg_get_toc() - Builds a TOC with required format @format.
+ * @curlun: The LUN for which the TOC has to be built
+ * @msf: Min Sec Frame format or LBA format for address
+ * @format: TOC format code
+ * @buf: The buffer into which the TOC is built
+ *
+ * Builds a Table of Content which can be used as data for READ_TOC command.
+ * The TOC simulates a single session, single track CD-ROM mode 1 disc.
+ *
+ * Returns number of bytes written to @buf, -EINVAL if format not supported.
+ */
+static int fsg_get_toc(struct fsg_lun *curlun, int msf, int format, u8 *buf)
+{
+ int i, len;
+ switch (format) {
+
+ case 0:
+ /* Formatted TOC */
+ len = 4 + 2*8; /* 4 byte header + 2 descriptors */
+ memset(buf, 0, len);
+ buf[1] = len - 2; /* TOC Length excludes length field */
+
+ buf[2] = 1; /* First track number */
+ buf[3] = 1; /* Last track number */
+ buf[5] = 0x16; /* Data track, copying allowed */
+ buf[6] = 0x01; /* Only track is number 1 */
+ store_cdrom_address(&buf[8], msf, 0);
+
+ buf[13] = 0x16; /* Lead-out track is data */
+ buf[14] = 0xAA; /* Lead-out track number */
+ store_cdrom_address(&buf[16], msf, curlun->num_sectors);
+ break;
+
+ case 2:
+ /* Raw TOC */
+ len = 4 + 3*11; /* 4 byte header + 3 descriptors */
+ memset(buf, 0, len); /* Header + A0, A1 & A2 descriptors */
+ buf[1] = len - 2; /* TOC Length excludes length field */
+ buf[2] = 1; /* First complete session */
+ buf[3] = 1; /* Last complete session */
+
+ buf += 4;
+ /* fill in A0, A1 and A2 points */
+ for (i = 0; i < 3; i++) {
+ buf[0] = 1; /* Session number */
+ buf[1] = 0x16; /* Data track, copying allowed */
+ /* 2 - Track number 0 -> TOC */
+ buf[3] = 0xA0 + i; /* A0, A1, A2 point */
+ /* 4, 5, 6 - Min, sec, frame is zero */
+ buf[8] = 1; /* Pmin: last track number */
+ buf += 11; /* go to next track descriptor */
+ }
+ buf -= 11; /* go back to A2 descriptor */
+
+ /* For A2, 7, 8, 9, 10 - zero, Pmin, Psec, Pframe of Lead out */
+ store_cdrom_address(&buf[7], msf, curlun->num_sectors);
+ break;
+
+ default:
+ /* Multi-session, PMA, ATIP, CD-TEXT not supported/required */
+ len = -EINVAL;
+ break;
+ }
+ return len;
+}
/*-------------------------------------------------------------------------*/
struct rw_semaphore *filesem = dev_get_drvdata(dev);
int rc = 0;
+
+#if !defined(CONFIG_USB_G_ANDROID)
+ /* disabled in android because we need to allow closing the backing file
+ * if the media was removed
+ */
if (curlun->prevent_medium_removal && fsg_lun_is_open(curlun)) {
LDBG(curlun, "eject attempt prevented\n");
return -EBUSY; /* "Door is locked" */
}
+#endif
+
+ printk("fsg_store_file file=%s, count=%d, curlun->cdrom=%d\n", buf, (int)count, curlun->cdrom);
+
+ /*
+ * WORKAROUND:VOLD would clean the file path after switching to bicr.
+ * So when the lun is being a CD-ROM a.k.a. BICR. Dont clean the file path to empty.
+ */
+ if (curlun->cdrom == 1 && count == 1)
+ return count;
/* Remove a trailing newline */
if (count > 0 && buf[count-1] == '\n')
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff