--- /dev/null
+/*
+ * (C) Copyright 2017
+ *
+ * Eddie Cai <eddie.cai.linux@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <config.h>
+#include <common.h>
+#include <errno.h>
+#include <malloc.h>
+#include <memalign.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/composite.h>
+#include <linux/compiler.h>
+#include <version.h>
+#include <g_dnl.h>
+#include <asm/arch/f_rockusb.h>
+
+static inline struct f_rockusb *func_to_rockusb(struct usb_function *f)
+{
+ return container_of(f, struct f_rockusb, usb_function);
+}
+
+static struct usb_endpoint_descriptor fs_ep_in = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(64),
+};
+
+static struct usb_endpoint_descriptor fs_ep_out = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(64),
+};
+
+static struct usb_endpoint_descriptor hs_ep_in = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(512),
+};
+
+static struct usb_endpoint_descriptor hs_ep_out = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(512),
+};
+
+static struct usb_interface_descriptor interface_desc = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0x00,
+ .bAlternateSetting = 0x00,
+ .bNumEndpoints = 0x02,
+ .bInterfaceClass = ROCKUSB_INTERFACE_CLASS,
+ .bInterfaceSubClass = ROCKUSB_INTERFACE_SUB_CLASS,
+ .bInterfaceProtocol = ROCKUSB_INTERFACE_PROTOCOL,
+};
+
+static struct usb_descriptor_header *rkusb_fs_function[] = {
+ (struct usb_descriptor_header *)&interface_desc,
+ (struct usb_descriptor_header *)&fs_ep_in,
+ (struct usb_descriptor_header *)&fs_ep_out,
+};
+
+static struct usb_descriptor_header *rkusb_hs_function[] = {
+ (struct usb_descriptor_header *)&interface_desc,
+ (struct usb_descriptor_header *)&hs_ep_in,
+ (struct usb_descriptor_header *)&hs_ep_out,
+ NULL,
+};
+
+static const char rkusb_name[] = "Rockchip Rockusb";
+
+static struct usb_string rkusb_string_defs[] = {
+ [0].s = rkusb_name,
+ { } /* end of list */
+};
+
+static struct usb_gadget_strings stringtab_rkusb = {
+ .language = 0x0409, /* en-us */
+ .strings = rkusb_string_defs,
+};
+
+static struct usb_gadget_strings *rkusb_strings[] = {
+ &stringtab_rkusb,
+ NULL,
+};
+
+static struct f_rockusb *rockusb_func;
+static void rx_handler_command(struct usb_ep *ep, struct usb_request *req);
+static int rockusb_tx_write_csw(u32 tag, int residue, u8 status, int size);
+
+struct f_rockusb *get_rkusb(void)
+{
+ struct f_rockusb *f_rkusb = rockusb_func;
+
+ if (!f_rkusb) {
+ f_rkusb = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*f_rkusb));
+ if (!f_rkusb)
+ return 0;
+
+ rockusb_func = f_rkusb;
+ memset(f_rkusb, 0, sizeof(*f_rkusb));
+ }
+
+ if (!f_rkusb->buf_head) {
+ f_rkusb->buf_head = memalign(CONFIG_SYS_CACHELINE_SIZE,
+ RKUSB_BUF_SIZE);
+ if (!f_rkusb->buf_head)
+ return 0;
+
+ f_rkusb->buf = f_rkusb->buf_head;
+ memset(f_rkusb->buf_head, 0, RKUSB_BUF_SIZE);
+ }
+ return f_rkusb;
+}
+
+static struct usb_endpoint_descriptor *rkusb_ep_desc(
+struct usb_gadget *g,
+struct usb_endpoint_descriptor *fs,
+struct usb_endpoint_descriptor *hs)
+{
+ if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
+ return hs;
+ return fs;
+}
+
+static void rockusb_complete(struct usb_ep *ep, struct usb_request *req)
+{
+ int status = req->status;
+
+ if (!status)
+ return;
+ debug("status: %d ep '%s' trans: %d\n", status, ep->name, req->actual);
+}
+
+/* config the rockusb device*/
+static int rockusb_bind(struct usb_configuration *c, struct usb_function *f)
+{
+ int id;
+ struct usb_gadget *gadget = c->cdev->gadget;
+ struct f_rockusb *f_rkusb = func_to_rockusb(f);
+ const char *s;
+
+ id = usb_interface_id(c, f);
+ if (id < 0)
+ return id;
+ interface_desc.bInterfaceNumber = id;
+
+ id = usb_string_id(c->cdev);
+ if (id < 0)
+ return id;
+
+ rkusb_string_defs[0].id = id;
+ interface_desc.iInterface = id;
+
+ f_rkusb->in_ep = usb_ep_autoconfig(gadget, &fs_ep_in);
+ if (!f_rkusb->in_ep)
+ return -ENODEV;
+ f_rkusb->in_ep->driver_data = c->cdev;
+
+ f_rkusb->out_ep = usb_ep_autoconfig(gadget, &fs_ep_out);
+ if (!f_rkusb->out_ep)
+ return -ENODEV;
+ f_rkusb->out_ep->driver_data = c->cdev;
+
+ f->descriptors = rkusb_fs_function;
+
+ if (gadget_is_dualspeed(gadget)) {
+ hs_ep_in.bEndpointAddress = fs_ep_in.bEndpointAddress;
+ hs_ep_out.bEndpointAddress = fs_ep_out.bEndpointAddress;
+ f->hs_descriptors = rkusb_hs_function;
+ }
+
+ s = env_get("serial#");
+ if (s)
+ g_dnl_set_serialnumber((char *)s);
+
+ return 0;
+}
+
+static void rockusb_unbind(struct usb_configuration *c, struct usb_function *f)
+{
+ /* clear the configuration*/
+ memset(rockusb_func, 0, sizeof(*rockusb_func));
+}
+
+static void rockusb_disable(struct usb_function *f)
+{
+ struct f_rockusb *f_rkusb = func_to_rockusb(f);
+
+ usb_ep_disable(f_rkusb->out_ep);
+ usb_ep_disable(f_rkusb->in_ep);
+
+ if (f_rkusb->out_req) {
+ free(f_rkusb->out_req->buf);
+ usb_ep_free_request(f_rkusb->out_ep, f_rkusb->out_req);
+ f_rkusb->out_req = NULL;
+ }
+ if (f_rkusb->in_req) {
+ free(f_rkusb->in_req->buf);
+ usb_ep_free_request(f_rkusb->in_ep, f_rkusb->in_req);
+ f_rkusb->in_req = NULL;
+ }
+ if (f_rkusb->buf_head) {
+ free(f_rkusb->buf_head);
+ f_rkusb->buf_head = NULL;
+ f_rkusb->buf = NULL;
+ }
+}
+
+static struct usb_request *rockusb_start_ep(struct usb_ep *ep)
+{
+ struct usb_request *req;
+
+ req = usb_ep_alloc_request(ep, 0);
+ if (!req)
+ return NULL;
+
+ req->length = EP_BUFFER_SIZE;
+ req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, EP_BUFFER_SIZE);
+ if (!req->buf) {
+ usb_ep_free_request(ep, req);
+ return NULL;
+ }
+ memset(req->buf, 0, req->length);
+
+ return req;
+}
+
+static int rockusb_set_alt(struct usb_function *f, unsigned int interface,
+ unsigned int alt)
+{
+ int ret;
+ struct usb_composite_dev *cdev = f->config->cdev;
+ struct usb_gadget *gadget = cdev->gadget;
+ struct f_rockusb *f_rkusb = func_to_rockusb(f);
+ const struct usb_endpoint_descriptor *d;
+
+ debug("%s: func: %s intf: %d alt: %d\n",
+ __func__, f->name, interface, alt);
+
+ d = rkusb_ep_desc(gadget, &fs_ep_out, &hs_ep_out);
+ ret = usb_ep_enable(f_rkusb->out_ep, d);
+ if (ret) {
+ printf("failed to enable out ep\n");
+ return ret;
+ }
+
+ f_rkusb->out_req = rockusb_start_ep(f_rkusb->out_ep);
+ if (!f_rkusb->out_req) {
+ printf("failed to alloc out req\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ f_rkusb->out_req->complete = rx_handler_command;
+
+ d = rkusb_ep_desc(gadget, &fs_ep_in, &hs_ep_in);
+ ret = usb_ep_enable(f_rkusb->in_ep, d);
+ if (ret) {
+ printf("failed to enable in ep\n");
+ goto err;
+ }
+
+ f_rkusb->in_req = rockusb_start_ep(f_rkusb->in_ep);
+ if (!f_rkusb->in_req) {
+ printf("failed alloc req in\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ f_rkusb->in_req->complete = rockusb_complete;
+
+ ret = usb_ep_queue(f_rkusb->out_ep, f_rkusb->out_req, 0);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ rockusb_disable(f);
+ return ret;
+}
+
+static int rockusb_add(struct usb_configuration *c)
+{
+ struct f_rockusb *f_rkusb = get_rkusb();
+ int status;
+
+ debug("%s: cdev: 0x%p\n", __func__, c->cdev);
+
+ f_rkusb->usb_function.name = "f_rockusb";
+ f_rkusb->usb_function.bind = rockusb_bind;
+ f_rkusb->usb_function.unbind = rockusb_unbind;
+ f_rkusb->usb_function.set_alt = rockusb_set_alt;
+ f_rkusb->usb_function.disable = rockusb_disable;
+ f_rkusb->usb_function.strings = rkusb_strings;
+
+ status = usb_add_function(c, &f_rkusb->usb_function);
+ if (status) {
+ free(f_rkusb);
+ rockusb_func = f_rkusb;
+ }
+ return status;
+}
+
+void rockusb_dev_init(char *dev_type, int dev_index)
+{
+ struct f_rockusb *f_rkusb = get_rkusb();
+
+ f_rkusb->dev_type = dev_type;
+ f_rkusb->dev_index = dev_index;
+}
+
+DECLARE_GADGET_BIND_CALLBACK(usb_dnl_rockusb, rockusb_add);
+
+static int rockusb_tx_write(const char *buffer, unsigned int buffer_size)
+{
+ struct usb_request *in_req = rockusb_func->in_req;
+ int ret;
+
+ memcpy(in_req->buf, buffer, buffer_size);
+ in_req->length = buffer_size;
+ usb_ep_dequeue(rockusb_func->in_ep, in_req);
+ ret = usb_ep_queue(rockusb_func->in_ep, in_req, 0);
+ if (ret)
+ printf("Error %d on queue\n", ret);
+ return 0;
+}
+
+static int rockusb_tx_write_str(const char *buffer)
+{
+ return rockusb_tx_write(buffer, strlen(buffer));
+}
+
+#ifdef DEBUG
+static void printcbw(char *buf)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
+ sizeof(struct fsg_bulk_cb_wrap));
+
+ memcpy((char *)cbw, buf, USB_BULK_CB_WRAP_LEN);
+
+ debug("cbw: signature:%x\n", cbw->signature);
+ debug("cbw: tag=%x\n", cbw->tag);
+ debug("cbw: data_transfer_length=%d\n", cbw->data_transfer_length);
+ debug("cbw: flags=%x\n", cbw->flags);
+ debug("cbw: lun=%d\n", cbw->lun);
+ debug("cbw: length=%d\n", cbw->length);
+ debug("cbw: ucOperCode=%x\n", cbw->CDB[0]);
+ debug("cbw: ucReserved=%x\n", cbw->CDB[1]);
+ debug("cbw: dwAddress:%x %x %x %x\n", cbw->CDB[5], cbw->CDB[4],
+ cbw->CDB[3], cbw->CDB[2]);
+ debug("cbw: ucReserved2=%x\n", cbw->CDB[6]);
+ debug("cbw: uslength:%x %x\n", cbw->CDB[8], cbw->CDB[7]);
+}
+
+static void printcsw(char *buf)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(struct bulk_cs_wrap, csw,
+ sizeof(struct bulk_cs_wrap));
+ memcpy((char *)csw, buf, USB_BULK_CS_WRAP_LEN);
+ debug("csw: signature:%x\n", csw->signature);
+ debug("csw: tag:%x\n", csw->tag);
+ debug("csw: residue:%x\n", csw->residue);
+ debug("csw: status:%x\n", csw->status);
+}
+#endif
+
+static int rockusb_tx_write_csw(u32 tag, int residue, u8 status, int size)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(struct bulk_cs_wrap, csw,
+ sizeof(struct bulk_cs_wrap));
+ csw->signature = cpu_to_le32(USB_BULK_CS_SIG);
+ csw->tag = tag;
+ csw->residue = cpu_to_be32(residue);
+ csw->status = status;
+#ifdef DEBUG
+ printcsw((char *)&csw);
+#endif
+ return rockusb_tx_write((char *)csw, size);
+}
+
+static unsigned int rx_bytes_expected(struct usb_ep *ep)
+{
+ struct f_rockusb *f_rkusb = get_rkusb();
+ int rx_remain = f_rkusb->dl_size - f_rkusb->dl_bytes;
+ unsigned int rem;
+ unsigned int maxpacket = ep->maxpacket;
+
+ if (rx_remain <= 0)
+ return 0;
+ else if (rx_remain > EP_BUFFER_SIZE)
+ return EP_BUFFER_SIZE;
+
+ rem = rx_remain % maxpacket;
+ if (rem > 0)
+ rx_remain = rx_remain + (maxpacket - rem);
+
+ return rx_remain;
+}
+
+/* usb_request complete call back to handle down load image */
+static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req)
+{
+ struct f_rockusb *f_rkusb = get_rkusb();
+ unsigned int transfer_size = 0;
+ const unsigned char *buffer = req->buf;
+ unsigned int buffer_size = req->actual;
+
+ transfer_size = f_rkusb->dl_size - f_rkusb->dl_bytes;
+ if (!f_rkusb->desc) {
+ char *type = f_rkusb->dev_type;
+ int index = f_rkusb->dev_index;
+
+ f_rkusb->desc = blk_get_dev(type, index);
+ if (!f_rkusb->desc ||
+ f_rkusb->desc->type == DEV_TYPE_UNKNOWN) {
+ puts("invalid mmc device\n");
+ rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL,
+ USB_BULK_CS_WRAP_LEN);
+ return;
+ }
+ }
+
+ if (req->status != 0) {
+ printf("Bad status: %d\n", req->status);
+ rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL,
+ USB_BULK_CS_WRAP_LEN);
+ return;
+ }
+
+ if (buffer_size < transfer_size)
+ transfer_size = buffer_size;
+
+ memcpy((void *)f_rkusb->buf, buffer, transfer_size);
+ f_rkusb->dl_bytes += transfer_size;
+ int blks = 0, blkcnt = transfer_size / 512;
+
+ debug("dl %x bytes, %x blks, write lba %x, dl_size:%x, dl_bytes:%x, ",
+ transfer_size, blkcnt, f_rkusb->lba, f_rkusb->dl_size,
+ f_rkusb->dl_bytes);
+ blks = blk_dwrite(f_rkusb->desc, f_rkusb->lba, blkcnt, f_rkusb->buf);
+ if (blks != blkcnt) {
+ printf("failed writing to device %s: %d\n", f_rkusb->dev_type,
+ f_rkusb->dev_index);
+ rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL,
+ USB_BULK_CS_WRAP_LEN);
+ return;
+ }
+ f_rkusb->lba += blkcnt;
+
+ /* Check if transfer is done */
+ if (f_rkusb->dl_bytes >= f_rkusb->dl_size) {
+ req->complete = rx_handler_command;
+ req->length = EP_BUFFER_SIZE;
+ f_rkusb->buf = f_rkusb->buf_head;
+ printf("transfer 0x%x bytes done\n", f_rkusb->dl_size);
+ f_rkusb->dl_size = 0;
+ rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_GOOD,
+ USB_BULK_CS_WRAP_LEN);
+ } else {
+ req->length = rx_bytes_expected(ep);
+ if (f_rkusb->buf == f_rkusb->buf_head)
+ f_rkusb->buf = f_rkusb->buf_head + EP_BUFFER_SIZE;
+ else
+ f_rkusb->buf = f_rkusb->buf_head;
+
+ debug("remain %x bytes, %x sectors\n", req->length,
+ req->length / 512);
+ }
+
+ req->actual = 0;
+ usb_ep_queue(ep, req, 0);
+}
+
+static void cb_test_unit_ready(struct usb_ep *ep, struct usb_request *req)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
+ sizeof(struct fsg_bulk_cb_wrap));
+
+ memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
+
+ rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length,
+ CSW_GOOD, USB_BULK_CS_WRAP_LEN);
+}
+
+static void cb_read_storage_id(struct usb_ep *ep, struct usb_request *req)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
+ sizeof(struct fsg_bulk_cb_wrap));
+ char emmc_id[] = "EMMC ";
+
+ printf("read storage id\n");
+ memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
+ rockusb_tx_write_str(emmc_id);
+ rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length, CSW_GOOD,
+ USB_BULK_CS_WRAP_LEN);
+}
+
+static void cb_write_lba(struct usb_ep *ep, struct usb_request *req)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
+ sizeof(struct fsg_bulk_cb_wrap));
+ struct f_rockusb *f_rkusb = get_rkusb();
+ int sector_count;
+
+ memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
+ sector_count = (int)get_unaligned_be16(&cbw->CDB[7]);
+ f_rkusb->lba = get_unaligned_be32(&cbw->CDB[2]);
+ f_rkusb->dl_size = sector_count * 512;
+ f_rkusb->dl_bytes = 0;
+ f_rkusb->tag = cbw->tag;
+ debug("require write %x bytes, %x sectors to lba %x\n",
+ f_rkusb->dl_size, sector_count, f_rkusb->lba);
+
+ if (f_rkusb->dl_size == 0) {
+ rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length,
+ CSW_FAIL, USB_BULK_CS_WRAP_LEN);
+ } else {
+ req->complete = rx_handler_dl_image;
+ req->length = rx_bytes_expected(ep);
+ }
+}
+
+void __weak rkusb_set_reboot_flag(int flag)
+{
+ struct f_rockusb *f_rkusb = get_rkusb();
+
+ printf("rockkusb set reboot flag: %d\n", f_rkusb->reboot_flag);
+}
+
+static void compl_do_reset(struct usb_ep *ep, struct usb_request *req)
+{
+ struct f_rockusb *f_rkusb = get_rkusb();
+
+ rkusb_set_reboot_flag(f_rkusb->reboot_flag);
+ do_reset(NULL, 0, 0, NULL);
+}
+
+static void cb_reboot(struct usb_ep *ep, struct usb_request *req)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
+ sizeof(struct fsg_bulk_cb_wrap));
+ struct f_rockusb *f_rkusb = get_rkusb();
+
+ f_rkusb->reboot_flag = 0;
+ memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
+ f_rkusb->reboot_flag = cbw->CDB[1];
+ rockusb_func->in_req->complete = compl_do_reset;
+ rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length, CSW_GOOD,
+ USB_BULK_CS_WRAP_LEN);
+}
+
+static void cb_not_support(struct usb_ep *ep, struct usb_request *req)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
+ sizeof(struct fsg_bulk_cb_wrap));
+
+ memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
+ printf("Rockusb command %x not support yet\n", cbw->CDB[0]);
+ rockusb_tx_write_csw(cbw->tag, 0, CSW_FAIL, USB_BULK_CS_WRAP_LEN);
+}
+
+static const struct cmd_dispatch_info cmd_dispatch_info[] = {
+ {
+ .cmd = K_FW_TEST_UNIT_READY,
+ .cb = cb_test_unit_ready,
+ },
+ {
+ .cmd = K_FW_READ_FLASH_ID,
+ .cb = cb_read_storage_id,
+ },
+ {
+ .cmd = K_FW_SET_DEVICE_ID,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_TEST_BAD_BLOCK,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_READ_10,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_WRITE_10,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_ERASE_10,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_WRITE_SPARE,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_READ_SPARE,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_ERASE_10_FORCE,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_GET_VERSION,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_LBA_READ_10,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_LBA_WRITE_10,
+ .cb = cb_write_lba,
+ },
+ {
+ .cmd = K_FW_ERASE_SYS_DISK,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_SDRAM_READ_10,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_SDRAM_WRITE_10,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_SDRAM_EXECUTE,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_READ_FLASH_INFO,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_GET_CHIP_VER,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_LOW_FORMAT,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_SET_RESET_FLAG,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_SPI_READ_10,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_SPI_WRITE_10,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_SESSION,
+ .cb = cb_not_support,
+ },
+ {
+ .cmd = K_FW_RESET,
+ .cb = cb_reboot,
+ },
+};
+
+static void rx_handler_command(struct usb_ep *ep, struct usb_request *req)
+{
+ void (*func_cb)(struct usb_ep *ep, struct usb_request *req) = NULL;
+
+ ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
+ sizeof(struct fsg_bulk_cb_wrap));
+ char *cmdbuf = req->buf;
+ int i;
+
+ if (req->status || req->length == 0)
+ return;
+
+ memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
+#ifdef DEBUG
+ printcbw(req->buf);
+#endif
+
+ for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) {
+ if (cmd_dispatch_info[i].cmd == cbw->CDB[0]) {
+ func_cb = cmd_dispatch_info[i].cb;
+ break;
+ }
+ }
+
+ if (!func_cb) {
+ printf("unknown command: %s\n", (char *)req->buf);
+ rockusb_tx_write_str("FAILunknown command");
+ } else {
+ if (req->actual < req->length) {
+ u8 *buf = (u8 *)req->buf;
+
+ buf[req->actual] = 0;
+ func_cb(ep, req);
+ } else {
+ puts("buffer overflow\n");
+ rockusb_tx_write_str("FAILbuffer overflow");
+ }
+ }
+
+ *cmdbuf = '\0';
+ req->actual = 0;
+ usb_ep_queue(ep, req, 0);
+}
projects / oweals / u-boot.git / commitdiff