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nest-open-source / nest-guard / 1.0 / linux / 6754b876e4c89285b30ff59800d23e21ce2dbe3f / . / linux / drivers / staging / westbridge / astoria / api / src / cyasusb.c
blob: 7777d9a60a5238db70721f38c2c9c5ee41f07b62 [file] [log] [blame]
/* Cypress West Bridge API source file (cyasusb.c)
## ===========================
## Copyright (C) 2010 Cypress Semiconductor
##
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 2
## of the License, or (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor
## Boston, MA 02110-1301, USA.
## ===========================
*/
#include "../../include/linux/westbridge/cyashal.h"
#include "../../include/linux/westbridge/cyasusb.h"
#include "../../include/linux/westbridge/cyaserr.h"
#include "../../include/linux/westbridge/cyasdma.h"
#include "../../include/linux/westbridge/cyaslowlevel.h"
#include "../../include/linux/westbridge/cyaslep2pep.h"
#include "../../include/linux/westbridge/cyasregs.h"
#include "../../include/linux/westbridge/cyasstorage.h"
static cy_as_return_status_t
cy_as_usb_ack_setup_packet(
/* Handle to the West Bridge device */
cy_as_device_handle handle,
/* The callback if async call */
cy_as_function_callback cb,
/* Client supplied data */
uint32_t client
);
static void
cy_as_usb_func_callback(
cy_as_device *dev_p,
uint8_t context,
cy_as_ll_request_response *rqt,
cy_as_ll_request_response *resp,
cy_as_return_status_t ret);
/*
* Reset the USB EP0 state
*/
static void
cy_as_usb_reset_e_p0_state(cy_as_device *dev_p)
{
cy_as_log_debug_message(6, "cy_as_usb_reset_e_p0_state called");
cy_as_device_clear_ack_delayed(dev_p);
cy_as_device_clear_setup_packet(dev_p);
if (cy_as_device_is_usb_async_pending(dev_p, 0))
cy_as_usb_cancel_async((cy_as_device_handle)dev_p, 0);
dev_p->usb_pending_buffer = 0;
}
/*
* External function to map logical endpoints to physical endpoints
*/
static cy_as_return_status_t
is_usb_active(cy_as_device *dev_p)
{
if (!cy_as_device_is_configured(dev_p))
return CY_AS_ERROR_NOT_CONFIGURED;
if (!cy_as_device_is_firmware_loaded(dev_p))
return CY_AS_ERROR_NO_FIRMWARE;
if (dev_p->usb_count == 0)
return CY_AS_ERROR_NOT_RUNNING;
if (cy_as_device_is_in_suspend_mode(dev_p))
return CY_AS_ERROR_IN_SUSPEND;
return CY_AS_ERROR_SUCCESS;
}
static void
usb_ack_callback(cy_as_device_handle h,
cy_as_return_status_t status,
uint32_t client,
cy_as_funct_c_b_type type,
void *data)
{
cy_as_device *dev_p = (cy_as_device *)h;
(void)client;
(void)status;
(void)data;
cy_as_hal_assert(type == CY_FUNCT_CB_NODATA);
if (dev_p->usb_pending_buffer) {
cy_as_usb_io_callback cb;
cb = dev_p->usb_cb[0];
dev_p->usb_cb[0] = 0;
cy_as_device_clear_usb_async_pending(dev_p, 0);
if (cb)
cb(h, 0, dev_p->usb_pending_size,
dev_p->usb_pending_buffer, dev_p->usb_error);
dev_p->usb_pending_buffer = 0;
}
cy_as_device_clear_setup_packet(dev_p);
}
static void
my_usb_request_callback_usb_event(cy_as_device *dev_p,
cy_as_ll_request_response *req_p)
{
uint16_t ev;
uint16_t val;
cy_as_device_handle h = (cy_as_device_handle)dev_p;
ev = cy_as_ll_request_response__get_word(req_p, 0);
switch (ev) {
case 0: /* Reserved */
cy_as_ll_send_status_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
CY_AS_ERROR_INVALID_REQUEST, 0);
break;
case 1: /* Reserved */
cy_as_ll_send_status_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
CY_AS_ERROR_INVALID_REQUEST, 0);
break;
case 2: /* USB Suspend */
dev_p->usb_last_event = cy_as_event_usb_suspend;
if (dev_p->usb_event_cb_ms)
dev_p->usb_event_cb_ms(h, cy_as_event_usb_suspend, 0);
else if (dev_p->usb_event_cb)
dev_p->usb_event_cb(h, cy_as_event_usb_suspend, 0);
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
break;
case 3: /* USB Resume */
dev_p->usb_last_event = cy_as_event_usb_resume;
if (dev_p->usb_event_cb_ms)
dev_p->usb_event_cb_ms(h, cy_as_event_usb_resume, 0);
else if (dev_p->usb_event_cb)
dev_p->usb_event_cb(h, cy_as_event_usb_resume, 0);
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
break;
case 4: /* USB Reset */
/*
* if we get a USB reset, the USB host did not understand
* our response or we timed out for some reason. reset
* our internal state to be ready for another set of
* enumeration based requests.
*/
if (cy_as_device_is_ack_delayed(dev_p))
cy_as_usb_reset_e_p0_state(dev_p);
dev_p->usb_last_event = cy_as_event_usb_reset;
if (dev_p->usb_event_cb_ms)
dev_p->usb_event_cb_ms(h, cy_as_event_usb_reset, 0);
else if (dev_p->usb_event_cb)
dev_p->usb_event_cb(h, cy_as_event_usb_reset, 0);
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
cy_as_device_clear_usb_high_speed(dev_p);
cy_as_usb_set_dma_sizes(dev_p);
dev_p->usb_max_tx_size = 0x40;
cy_as_dma_set_max_dma_size(dev_p, 0x06, 0x40);
break;
case 5: /* USB Set Configuration */
/* The configuration to set */
val = cy_as_ll_request_response__get_word(req_p, 1);
dev_p->usb_last_event = cy_as_event_usb_set_config;
if (dev_p->usb_event_cb_ms)
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_set_config, &val);
else if (dev_p->usb_event_cb)
dev_p->usb_event_cb(h,
cy_as_event_usb_set_config, &val);
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
break;
case 6: /* USB Speed change */
/* Connect speed */
val = cy_as_ll_request_response__get_word(req_p, 1);
dev_p->usb_last_event = cy_as_event_usb_speed_change;
if (dev_p->usb_event_cb_ms)
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_speed_change, &val);
else if (dev_p->usb_event_cb)
dev_p->usb_event_cb(h,
cy_as_event_usb_speed_change, &val);
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
cy_as_device_set_usb_high_speed(dev_p);
cy_as_usb_set_dma_sizes(dev_p);
dev_p->usb_max_tx_size = 0x200;
cy_as_dma_set_max_dma_size(dev_p, 0x06, 0x200);
break;
case 7: /* USB Clear Feature */
/* EP Number */
val = cy_as_ll_request_response__get_word(req_p, 1);
if (dev_p->usb_event_cb_ms)
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_clear_feature, &val);
if (dev_p->usb_event_cb)
dev_p->usb_event_cb(h,
cy_as_event_usb_clear_feature, &val);
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
break;
default:
cy_as_hal_print_message("invalid event type\n");
cy_as_ll_send_data_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
CY_RESP_USB_INVALID_EVENT, sizeof(ev), &ev);
break;
}
}
static void
my_usb_request_callback_usb_data(cy_as_device *dev_p,
cy_as_ll_request_response *req_p)
{
cy_as_end_point_number_t ep;
uint8_t type;
uint16_t len;
uint16_t val;
cy_as_device_handle h = (cy_as_device_handle)dev_p;
val = cy_as_ll_request_response__get_word(req_p, 0);
ep = (cy_as_end_point_number_t)((val >> 13) & 0x01);
len = (val & 0x1ff);
cy_as_hal_assert(len <= 64);
cy_as_ll_request_response__unpack(req_p,
1, len, dev_p->usb_ep_data);
type = (uint8_t)((val >> 14) & 0x03);
if (type == 0) {
if (cy_as_device_is_ack_delayed(dev_p)) {
/*
* A setup packet has arrived while we are
* processing a previous setup packet. reset
* our state with respect to EP0 to be ready
* to process the new packet.
*/
cy_as_usb_reset_e_p0_state(dev_p);
}
if (len != 8)
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT,
CY_AS_ERROR_INVALID_REQUEST, 0);
else {
cy_as_device_clear_ep0_stalled(dev_p);
cy_as_device_set_setup_packet(dev_p);
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT,
CY_AS_ERROR_SUCCESS, 0);
if (dev_p->usb_event_cb_ms)
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_setup_packet,
dev_p->usb_ep_data);
else
dev_p->usb_event_cb(h,
cy_as_event_usb_setup_packet,
dev_p->usb_ep_data);
if ((!cy_as_device_is_ack_delayed(dev_p)) &&
(!cy_as_device_is_ep0_stalled(dev_p)))
cy_as_usb_ack_setup_packet(h,
usb_ack_callback, 0);
}
} else if (type == 2) {
if (len != 0)
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT,
CY_AS_ERROR_INVALID_REQUEST, 0);
else {
if (dev_p->usb_event_cb_ms)
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_status_packet, 0);
else
dev_p->usb_event_cb(h,
cy_as_event_usb_status_packet, 0);
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT,
CY_AS_ERROR_SUCCESS, 0);
}
} else if (type == 1) {
/*
* we need to hand the data associated with these
* endpoints to the DMA module.
*/
cy_as_dma_received_data(dev_p, ep, len, dev_p->usb_ep_data);
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
}
}
static void
my_usb_request_callback_inquiry(cy_as_device *dev_p,
cy_as_ll_request_response *req_p)
{
cy_as_usb_inquiry_data_dep cbdata;
cy_as_usb_inquiry_data cbdata_ms;
void *data;
uint16_t val;
cy_as_device_handle h = (cy_as_device_handle)dev_p;
uint8_t def_inq_data[64];
uint8_t evpd;
uint8_t codepage;
cy_bool updated;
uint16_t length;
cy_as_bus_number_t bus;
uint32_t device;
cy_as_media_type media;
val = cy_as_ll_request_response__get_word(req_p, 0);
bus = cy_as_storage_get_bus_from_address(val);
device = cy_as_storage_get_device_from_address(val);
media = cy_as_storage_get_media_from_address(val);
val = cy_as_ll_request_response__get_word(req_p, 1);
evpd = (uint8_t)((val >> 8) & 0x01);
codepage = (uint8_t)(val & 0xff);
length = cy_as_ll_request_response__get_word(req_p, 2);
data = (void *)def_inq_data;
updated = cy_false;
if (dev_p->usb_event_cb_ms) {
cbdata_ms.bus = bus;
cbdata_ms.device = device;
cbdata_ms.updated = updated;
cbdata_ms.evpd = evpd;
cbdata_ms.codepage = codepage;
cbdata_ms.length = length;
cbdata_ms.data = data;
cy_as_hal_assert(cbdata_ms.length <= sizeof(def_inq_data));
cy_as_ll_request_response__unpack(req_p,
3, cbdata_ms.length, cbdata_ms.data);
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_inquiry_before, &cbdata_ms);
updated = cbdata_ms.updated;
data = cbdata_ms.data;
length = cbdata_ms.length;
} else if (dev_p->usb_event_cb) {
cbdata.media = media;
cbdata.updated = updated;
cbdata.evpd = evpd;
cbdata.codepage = codepage;
cbdata.length = length;
cbdata.data = data;
cy_as_hal_assert(cbdata.length <=
sizeof(def_inq_data));
cy_as_ll_request_response__unpack(req_p, 3,
cbdata.length, cbdata.data);
dev_p->usb_event_cb(h,
cy_as_event_usb_inquiry_before, &cbdata);
updated = cbdata.updated;
data = cbdata.data;
length = cbdata.length;
}
if (updated && length > 192)
cy_as_hal_print_message("an inquiry result from a "
"cy_as_event_usb_inquiry_before event "
"was greater than 192 bytes.");
/* Now send the reply with the data back
* to the West Bridge device */
if (updated && length <= 192) {
/*
* the callback function modified the inquiry
* data, ship the data back to the west bridge firmware.
*/
cy_as_ll_send_data_response(dev_p,
CY_RQT_USB_RQT_CONTEXT,
CY_RESP_INQUIRY_DATA, length, data);
} else {
/*
* the callback did not modify the data, just acknowledge
* that we processed the request
*/
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 1);
}
if (dev_p->usb_event_cb_ms)
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_inquiry_after, &cbdata_ms);
else if (dev_p->usb_event_cb)
dev_p->usb_event_cb(h,
cy_as_event_usb_inquiry_after, &cbdata);
}
static void
my_usb_request_callback_start_stop(cy_as_device *dev_p,
cy_as_ll_request_response *req_p)
{
cy_as_bus_number_t bus;
cy_as_media_type media;
uint32_t device;
uint16_t val;
if (dev_p->usb_event_cb_ms || dev_p->usb_event_cb) {
cy_bool loej;
cy_bool start;
cy_as_device_handle h = (cy_as_device_handle)dev_p;
val = cy_as_ll_request_response__get_word(req_p, 0);
bus = cy_as_storage_get_bus_from_address(val);
device = cy_as_storage_get_device_from_address(val);
media = cy_as_storage_get_media_from_address(val);
val = cy_as_ll_request_response__get_word(req_p, 1);
loej = (val & 0x02) ? cy_true : cy_false;
start = (val & 0x01) ? cy_true : cy_false;
if (dev_p->usb_event_cb_ms) {
cy_as_usb_start_stop_data cbdata_ms;
cbdata_ms.bus = bus;
cbdata_ms.device = device;
cbdata_ms.loej = loej;
cbdata_ms.start = start;
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_start_stop, &cbdata_ms);
} else if (dev_p->usb_event_cb) {
cy_as_usb_start_stop_data_dep cbdata;
cbdata.media = media;
cbdata.loej = loej;
cbdata.start = start;
dev_p->usb_event_cb(h,
cy_as_event_usb_start_stop, &cbdata);
}
}
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 1);
}
static void
my_usb_request_callback_uknown_c_b_w(cy_as_device *dev_p,
cy_as_ll_request_response *req_p)
{
uint16_t val;
cy_as_device_handle h = (cy_as_device_handle)dev_p;
uint8_t buf[16];
uint8_t response[4];
uint16_t reqlen;
void *request;
uint8_t status;
uint8_t key;
uint8_t asc;
uint8_t ascq;
val = cy_as_ll_request_response__get_word(req_p, 0);
/* Failed by default */
status = 1;
/* Invalid command */
key = 0x05;
/* Invalid command */
asc = 0x20;
/* Invalid command */
ascq = 0x00;
reqlen = cy_as_ll_request_response__get_word(req_p, 1);
request = buf;
cy_as_hal_assert(reqlen <= sizeof(buf));
cy_as_ll_request_response__unpack(req_p, 2, reqlen, request);
if (dev_p->usb_event_cb_ms) {
cy_as_usb_unknown_command_data cbdata_ms;
cbdata_ms.bus = cy_as_storage_get_bus_from_address(val);
cbdata_ms.device =
cy_as_storage_get_device_from_address(val);
cbdata_ms.reqlen = reqlen;
cbdata_ms.request = request;
cbdata_ms.status = status;
cbdata_ms.key = key;
cbdata_ms.asc = asc;
cbdata_ms.ascq = ascq;
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_unknown_storage, &cbdata_ms);
status = cbdata_ms.status;
key = cbdata_ms.key;
asc = cbdata_ms.asc;
ascq = cbdata_ms.ascq;
} else if (dev_p->usb_event_cb) {
cy_as_usb_unknown_command_data_dep cbdata;
cbdata.media =
cy_as_storage_get_media_from_address(val);
cbdata.reqlen = reqlen;
cbdata.request = request;
cbdata.status = status;
cbdata.key = key;
cbdata.asc = asc;
cbdata.ascq = ascq;
dev_p->usb_event_cb(h,
cy_as_event_usb_unknown_storage, &cbdata);
status = cbdata.status;
key = cbdata.key;
asc = cbdata.asc;
ascq = cbdata.ascq;
}
response[0] = status;
response[1] = key;
response[2] = asc;
response[3] = ascq;
cy_as_ll_send_data_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
CY_RESP_UNKNOWN_SCSI_COMMAND, sizeof(response), response);
}
static void
my_usb_request_callback_m_s_c_progress(cy_as_device *dev_p,
cy_as_ll_request_response *req_p)
{
uint16_t val1, val2;
cy_as_device_handle h = (cy_as_device_handle)dev_p;
if ((dev_p->usb_event_cb) || (dev_p->usb_event_cb_ms)) {
cy_as_m_s_c_progress_data cbdata;
val1 = cy_as_ll_request_response__get_word(req_p, 0);
val2 = cy_as_ll_request_response__get_word(req_p, 1);
cbdata.wr_count = (uint32_t)((val1 << 16) | val2);
val1 = cy_as_ll_request_response__get_word(req_p, 2);
val2 = cy_as_ll_request_response__get_word(req_p, 3);
cbdata.rd_count = (uint32_t)((val1 << 16) | val2);
if (dev_p->usb_event_cb)
dev_p->usb_event_cb(h,
cy_as_event_usb_m_s_c_progress, &cbdata);
else
dev_p->usb_event_cb_ms(h,
cy_as_event_usb_m_s_c_progress, &cbdata);
}
cy_as_ll_send_status_response(dev_p,
CY_RQT_USB_RQT_CONTEXT, CY_AS_ERROR_SUCCESS, 0);
}
/*
* This function processes the requests delivered from the
* firmware within the West Bridge device that are delivered
* in the USB context. These requests generally are EP0 and
* EP1 related requests or USB events.
*/
static void
my_usb_request_callback(cy_as_device *dev_p, uint8_t context,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *resp_p,
cy_as_return_status_t ret)
{
uint16_t val;
uint8_t code = cy_as_ll_request_response__get_code(req_p);
(void)resp_p;
(void)context;
(void)ret;
switch (code) {
case CY_RQT_USB_EVENT:
my_usb_request_callback_usb_event(dev_p, req_p);
break;
case CY_RQT_USB_EP_DATA:
dev_p->usb_last_event = cy_as_event_usb_setup_packet;
my_usb_request_callback_usb_data(dev_p, req_p);
break;
case CY_RQT_SCSI_INQUIRY_COMMAND:
dev_p->usb_last_event = cy_as_event_usb_inquiry_after;
my_usb_request_callback_inquiry(dev_p, req_p);
break;
case CY_RQT_SCSI_START_STOP_COMMAND:
dev_p->usb_last_event = cy_as_event_usb_start_stop;
my_usb_request_callback_start_stop(dev_p, req_p);
break;
case CY_RQT_SCSI_UNKNOWN_COMMAND:
dev_p->usb_last_event = cy_as_event_usb_unknown_storage;
my_usb_request_callback_uknown_c_b_w(dev_p, req_p);
break;
case CY_RQT_USB_ACTIVITY_UPDATE:
dev_p->usb_last_event = cy_as_event_usb_m_s_c_progress;
my_usb_request_callback_m_s_c_progress(dev_p, req_p);
break;
default:
cy_as_hal_print_message("invalid request "
"received on USB context\n");
val = req_p->box0;
cy_as_ll_send_data_response(dev_p, CY_RQT_USB_RQT_CONTEXT,
CY_RESP_INVALID_REQUEST, sizeof(val), &val);
break;
}
}
static cy_as_return_status_t
my_handle_response_usb_start(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p,
cy_as_return_status_t ret)
{
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_SUCCESS_FAILURE) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
ret = cy_as_ll_request_response__get_word(reply_p, 0);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
/*
* mark EP 0 and EP1 as 64 byte endpoints
*/
cy_as_dma_set_max_dma_size(dev_p, 0, 64);
cy_as_dma_set_max_dma_size(dev_p, 1, 64);
dev_p->usb_count++;
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_destroy_c_b_queue(dev_p->usb_func_cbs);
cy_as_ll_register_request_callback(dev_p,
CY_RQT_USB_RQT_CONTEXT, 0);
}
cy_as_device_clear_u_s_s_pending(dev_p);
return ret;
}
/*
* This function starts the USB stack. The stack is reference
* counted so if the stack is already started, this function
* just increments the count. If the stack has not been started,
* a start request is sent to the West Bridge device.
*
* Note: Starting the USB stack does not cause the USB signals
* to be connected to the USB pins. To do this and therefore
* initiate enumeration, CyAsUsbConnect() must be called.
*/
cy_as_return_status_t
cy_as_usb_start(cy_as_device_handle handle,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_ll_request_response *req_p, *reply_p;
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_start called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
if (!cy_as_device_is_configured(dev_p))
return CY_AS_ERROR_NOT_CONFIGURED;
if (!cy_as_device_is_firmware_loaded(dev_p))
return CY_AS_ERROR_NO_FIRMWARE;
if (cy_as_device_is_in_suspend_mode(dev_p))
return CY_AS_ERROR_IN_SUSPEND;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
if (cy_as_device_is_u_s_s_pending(dev_p))
return CY_AS_ERROR_STARTSTOP_PENDING;
cy_as_device_set_u_s_s_pending(dev_p);
if (dev_p->usb_count == 0) {
/*
* since we are just starting the stack,
* mark USB as not connected to the remote host
*/
cy_as_device_clear_usb_connected(dev_p);
dev_p->usb_phy_config = 0;
/* Queue for 1.0 Async Requests, kept for
* backwards compatibility */
dev_p->usb_func_cbs = cy_as_create_c_b_queue(CYAS_USB_FUNC_CB);
if (dev_p->usb_func_cbs == 0) {
cy_as_device_clear_u_s_s_pending(dev_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
/* Reset the EP0 state */
cy_as_usb_reset_e_p0_state(dev_p);
/*
* we register here becuase the start request may cause
* events to occur before the response to the start request.
*/
cy_as_ll_register_request_callback(dev_p,
CY_RQT_USB_RQT_CONTEXT, my_usb_request_callback);
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_START_USB, CY_RQT_USB_RQT_CONTEXT, 0);
if (req_p == 0) {
cy_as_destroy_c_b_queue(dev_p->usb_func_cbs);
dev_p->usb_func_cbs = 0;
cy_as_device_clear_u_s_s_pending(dev_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
/* Reserve space for the reply, the reply data
* will not exceed one word */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_destroy_c_b_queue(dev_p->usb_func_cbs);
dev_p->usb_func_cbs = 0;
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_device_clear_u_s_s_pending(dev_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p,
req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return my_handle_response_usb_start(dev_p,
req_p, reply_p, ret);
} else {
ret = cy_as_misc_send_request(dev_p, cb,
client, CY_FUNCT_CB_USB_START, 0,
dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
} else {
dev_p->usb_count++;
if (cb)
cb(handle, ret, client, CY_FUNCT_CB_USB_START, 0);
}
cy_as_device_clear_u_s_s_pending(dev_p);
return ret;
}
void
cy_as_usb_reset(cy_as_device *dev_p)
{
int i;
cy_as_device_clear_usb_connected(dev_p);
for (i = 0; i < sizeof(dev_p->usb_config) /
sizeof(dev_p->usb_config[0]); i++) {
/*
* cancel all pending USB read/write operations, as it is
* possible that the USB stack comes up in a different
* configuration with a different set of endpoints.
*/
if (cy_as_device_is_usb_async_pending(dev_p, i))
cy_as_usb_cancel_async(dev_p,
(cy_as_end_point_number_t)i);
dev_p->usb_cb[i] = 0;
dev_p->usb_config[i].enabled = cy_false;
}
dev_p->usb_phy_config = 0;
}
/*
* This function does all the API side clean-up associated
* with CyAsUsbStop, without any communication with firmware.
* This needs to be done when the device is being reset while
* the USB stack is active.
*/
void
cy_as_usb_cleanup(cy_as_device *dev_p)
{
if (dev_p->usb_count) {
cy_as_usb_reset_e_p0_state(dev_p);
cy_as_usb_reset(dev_p);
cy_as_hal_mem_set(dev_p->usb_config, 0,
sizeof(dev_p->usb_config));
cy_as_destroy_c_b_queue(dev_p->usb_func_cbs);
dev_p->usb_count = 0;
}
}
static cy_as_return_status_t
my_handle_response_usb_stop(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p,
cy_as_return_status_t ret)
{
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_SUCCESS_FAILURE) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
ret = cy_as_ll_request_response__get_word(reply_p, 0);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
/*
* we sucessfully shutdown the stack, so
* decrement to make the count zero.
*/
cy_as_usb_cleanup(dev_p);
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
cy_as_ll_register_request_callback(dev_p,
CY_RQT_USB_RQT_CONTEXT, 0);
cy_as_device_clear_u_s_s_pending(dev_p);
return ret;
}
/*
* This function stops the USB stack. The USB stack is reference
* counted so first is reference count is decremented. If the
* reference count is then zero, a request is sent to the West
* Bridge device to stop the USB stack on the West Bridge device.
*/
cy_as_return_status_t
cy_as_usb_stop(cy_as_device_handle handle,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_ll_request_response *req_p = 0, *reply_p = 0;
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_stop called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_usb_connected(dev_p))
return CY_AS_ERROR_USB_CONNECTED;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
if (cy_as_device_is_u_s_s_pending(dev_p))
return CY_AS_ERROR_STARTSTOP_PENDING;
cy_as_device_set_u_s_s_pending(dev_p);
if (dev_p->usb_count == 1) {
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p, CY_RQT_STOP_USB,
CY_RQT_USB_RQT_CONTEXT, 0);
if (req_p == 0) {
ret = CY_AS_ERROR_OUT_OF_MEMORY;
goto destroy;
}
/* Reserve space for the reply, the reply data will not
* exceed one word */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
ret = CY_AS_ERROR_OUT_OF_MEMORY;
goto destroy;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p,
req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return my_handle_response_usb_stop(dev_p,
req_p, reply_p, ret);
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_STOP, 0, dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
} else if (dev_p->usb_count > 1) {
/*
* reset all LE_ps to inactive state, after cleaning
* up any pending async read/write calls.
*/
cy_as_usb_reset(dev_p);
dev_p->usb_count--;
if (cb)
cb(handle, ret, client, CY_FUNCT_CB_USB_STOP, 0);
}
cy_as_device_clear_u_s_s_pending(dev_p);
return ret;
}
/*
* This function registers a callback to be called when
* USB events are processed
*/
cy_as_return_status_t
cy_as_usb_register_callback(cy_as_device_handle handle,
cy_as_usb_event_callback callback)
{
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_register_callback called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
if (!cy_as_device_is_configured(dev_p))
return CY_AS_ERROR_NOT_CONFIGURED;
if (!cy_as_device_is_firmware_loaded(dev_p))
return CY_AS_ERROR_NO_FIRMWARE;
dev_p->usb_event_cb = NULL;
dev_p->usb_event_cb_ms = callback;
return CY_AS_ERROR_SUCCESS;
}
static cy_as_return_status_t
my_handle_response_no_data(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p)
{
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_SUCCESS_FAILURE)
ret = CY_AS_ERROR_INVALID_RESPONSE;
else
ret = cy_as_ll_request_response__get_word(reply_p, 0);
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
static cy_as_return_status_t
my_handle_response_connect(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p,
cy_as_return_status_t ret)
{
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_SUCCESS_FAILURE) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
ret = cy_as_ll_request_response__get_word(reply_p, 0);
if (ret == CY_AS_ERROR_SUCCESS)
cy_as_device_set_usb_connected(dev_p);
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
/*
* This method asks the West Bridge device to connect the
* internal USB D+ and D- signals to the USB pins, thus
* starting the enumeration processes if the external pins
* are connnected to a USB host. If the external pins are
* not connect to a USB host, enumeration will begin as soon
* as the USB pins are connected to a host.
*/
cy_as_return_status_t
cy_as_usb_connect(cy_as_device_handle handle,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_ll_request_response *req_p , *reply_p;
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_connect called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_SET_CONNECT_STATE, CY_RQT_USB_RQT_CONTEXT, 1);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
/* 1 = Connect request */
cy_as_ll_request_response__set_word(req_p, 0, 1);
/* Reserve space for the reply, the reply
* data will not exceed one word */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return my_handle_response_connect(dev_p, req_p, reply_p, ret);
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_CONNECT, 0, dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
static cy_as_return_status_t
my_handle_response_disconnect(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p,
cy_as_return_status_t ret)
{
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_SUCCESS_FAILURE) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
ret = cy_as_ll_request_response__get_word(reply_p, 0);
if (ret == CY_AS_ERROR_SUCCESS)
cy_as_device_clear_usb_connected(dev_p);
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
/*
* This method forces a disconnect of the D+ and D- pins
* external to the West Bridge device from the D+ and D-
* signals internally, effectively disconnecting the West
* Bridge device from any connected USB host.
*/
cy_as_return_status_t
cy_as_usb_disconnect(cy_as_device_handle handle,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_ll_request_response *req_p , *reply_p;
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_disconnect called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
if (!cy_as_device_is_usb_connected(dev_p))
return CY_AS_ERROR_USB_NOT_CONNECTED;
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_SET_CONNECT_STATE, CY_RQT_USB_RQT_CONTEXT, 1);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
cy_as_ll_request_response__set_word(req_p, 0, 0);
/* Reserve space for the reply, the reply
* data will not exceed two bytes */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return my_handle_response_disconnect(dev_p,
req_p, reply_p, ret);
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_DISCONNECT, 0, dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
static cy_as_return_status_t
my_handle_response_set_enum_config(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p)
{
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_SUCCESS_FAILURE) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
ret = cy_as_ll_request_response__get_word(reply_p, 0);
if (ret == CY_AS_ERROR_SUCCESS) {
/*
* we configured the west bridge device and
* enumeration is going to happen on the P port
* processor. now we must enable endpoint zero
*/
cy_as_usb_end_point_config config;
config.dir = cy_as_usb_in_out;
config.type = cy_as_usb_control;
config.enabled = cy_true;
ret = cy_as_usb_set_end_point_config((cy_as_device_handle *)
dev_p, 0, &config);
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
/*
* This method sets how the USB is enumerated and should
* be called before the CyAsUsbConnect() is called.
*/
static cy_as_return_status_t
my_usb_set_enum_config(cy_as_device *dev_p,
uint8_t bus_mask,
uint8_t media_mask,
cy_bool use_antioch_enumeration,
uint8_t mass_storage_interface,
uint8_t mtp_interface,
cy_bool mass_storage_callbacks,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_ll_request_response *req_p , *reply_p;
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
cy_as_log_debug_message(6, "cy_as_usb_set_enum_config called");
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_usb_connected(dev_p))
return CY_AS_ERROR_USB_CONNECTED;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
/* if we are using MTP firmware: */
if (dev_p->is_mtp_firmware == 1) {
/* we cannot enumerate MSC */
if (mass_storage_interface != 0)
return CY_AS_ERROR_INVALID_CONFIGURATION;
if (bus_mask == 0) {
if (mtp_interface != 0)
return CY_AS_ERROR_INVALID_CONFIGURATION;
} else if (bus_mask == 2) {
/* enable EP 1 as it will be used */
cy_as_dma_enable_end_point(dev_p, 1, cy_true,
cy_as_direction_in);
dev_p->usb_config[1].enabled = cy_true;
dev_p->usb_config[1].dir = cy_as_usb_in;
dev_p->usb_config[1].type = cy_as_usb_int;
} else {
return CY_AS_ERROR_INVALID_CONFIGURATION;
}
/* if we are not using MTP firmware, we cannot enumerate MTP */
} else if (mtp_interface != 0)
return CY_AS_ERROR_INVALID_CONFIGURATION;
/*
* if we are not enumerating mass storage, we should
* not be providing an interface number.
*/
if (bus_mask == 0 && mass_storage_interface != 0)
return CY_AS_ERROR_INVALID_CONFIGURATION;
/*
* if we are going to use mtp_interface, bus mask must be 2.
*/
if (mtp_interface != 0 && bus_mask != 2)
return CY_AS_ERROR_INVALID_CONFIGURATION;
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_SET_USB_CONFIG, CY_RQT_USB_RQT_CONTEXT, 4);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
/* Marshal the structure */
cy_as_ll_request_response__set_word(req_p, 0,
(uint16_t)((media_mask << 8) | bus_mask));
cy_as_ll_request_response__set_word(req_p, 1,
(uint16_t)use_antioch_enumeration);
cy_as_ll_request_response__set_word(req_p, 2,
dev_p->is_mtp_firmware ? mtp_interface :
mass_storage_interface);
cy_as_ll_request_response__set_word(req_p, 3,
(uint16_t)mass_storage_callbacks);
/* Reserve space for the reply, the reply
* data will not exceed one word */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return my_handle_response_set_enum_config(dev_p,
req_p, reply_p);
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_SETENUMCONFIG, 0, dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
/*
* This method sets how the USB is enumerated and should
* be called before the CyAsUsbConnect() is called.
*/
cy_as_return_status_t
cy_as_usb_set_enum_config(cy_as_device_handle handle,
cy_as_usb_enum_control *config_p,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_device *dev_p = (cy_as_device *)handle;
uint8_t bus_mask, media_mask;
uint32_t bus, device;
cy_as_return_status_t ret;
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if ((cy_as_device_is_in_callback(dev_p)) && (cb != 0))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
/* Since we are mapping the media types to bus with NAND to 0
* and the rest to 1, and we are only allowing for enumerating
* all the devices on a bus we just scan the array for any
* positions where there a device is enabled and mark the bus
* to be enumerated.
*/
bus_mask = 0;
media_mask = 0;
for (bus = 0; bus < CY_AS_MAX_BUSES; bus++) {
for (device = 0; device < CY_AS_MAX_STORAGE_DEVICES; device++) {
if (config_p->devices_to_enumerate[bus][device] ==
cy_true) {
bus_mask |= (0x01 << bus);
media_mask |= dev_p->media_supported[bus];
media_mask |= dev_p->media_supported[bus];
}
}
}
return my_usb_set_enum_config(dev_p, bus_mask, media_mask,
config_p->antioch_enumeration,
config_p->mass_storage_interface,
config_p->mtp_interface,
config_p->mass_storage_callbacks,
cb,
client
);
}
static cy_as_return_status_t
my_handle_response_get_enum_config(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p,
void *config_p)
{
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
uint16_t val;
uint8_t bus_mask;
uint32_t bus;
if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_USB_CONFIG) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
/* Marshal the reply */
if (req_p->flags & CY_AS_REQUEST_RESPONSE_MS) {
uint32_t device;
cy_bool state;
cy_as_usb_enum_control *ms_config_p =
(cy_as_usb_enum_control *)config_p;
bus_mask = (uint8_t)
(cy_as_ll_request_response__get_word
(reply_p, 0) & 0xFF);
for (bus = 0; bus < CY_AS_MAX_BUSES; bus++) {
if (bus_mask & (1 << bus))
state = cy_true;
else
state = cy_false;
for (device = 0; device < CY_AS_MAX_STORAGE_DEVICES;
device++)
ms_config_p->devices_to_enumerate[bus][device]
= state;
}
ms_config_p->antioch_enumeration =
(cy_bool)cy_as_ll_request_response__get_word
(reply_p, 1);
val = cy_as_ll_request_response__get_word(reply_p, 2);
if (dev_p->is_mtp_firmware) {
ms_config_p->mass_storage_interface = 0;
ms_config_p->mtp_interface = (uint8_t)(val & 0xFF);
} else {
ms_config_p->mass_storage_interface =
(uint8_t)(val & 0xFF);
ms_config_p->mtp_interface = 0;
}
ms_config_p->mass_storage_callbacks = (cy_bool)(val >> 8);
/*
* firmware returns an invalid interface number for mass storage,
* if mass storage is not enabled. this needs to be converted to
* zero to match the input configuration.
*/
if (bus_mask == 0) {
if (dev_p->is_mtp_firmware)
ms_config_p->mtp_interface = 0;
else
ms_config_p->mass_storage_interface = 0;
}
} else {
cy_as_usb_enum_control_dep *ex_config_p =
(cy_as_usb_enum_control_dep *)config_p;
ex_config_p->enum_mass_storage = (uint8_t)
((cy_as_ll_request_response__get_word
(reply_p, 0) >> 8) & 0xFF);
ex_config_p->antioch_enumeration = (cy_bool)
cy_as_ll_request_response__get_word(reply_p, 1);
val = cy_as_ll_request_response__get_word(reply_p, 2);
ex_config_p->mass_storage_interface = (uint8_t)(val & 0xFF);
ex_config_p->mass_storage_callbacks = (cy_bool)(val >> 8);
/*
* firmware returns an invalid interface number for mass
* storage, if mass storage is not enabled. this needs to
* be converted to zero to match the input configuration.
*/
if (ex_config_p->enum_mass_storage == 0)
ex_config_p->mass_storage_interface = 0;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
/*
* This sets up the request for the enumerateion configuration
* information, based on if the request is from the old pre-1.2
* functions.
*/
static cy_as_return_status_t
my_usb_get_enum_config(cy_as_device_handle handle,
uint16_t req_flags,
void *config_p,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_ll_request_response *req_p , *reply_p;
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_get_enum_config called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_GET_USB_CONFIG, CY_RQT_USB_RQT_CONTEXT, 0);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
/* Reserve space for the reply, the reply data
* will not exceed two bytes */
reply_p = cy_as_ll_create_response(dev_p, 3);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
/* we need to know the type of request to
* know how to manage the data */
req_p->flags |= req_flags;
return my_handle_response_get_enum_config(dev_p,
req_p, reply_p, config_p);
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_GETENUMCONFIG, config_p,
dev_p->func_cbs_usb, req_flags, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
/*
* This method returns the enumerateion configuration information
* from the West Bridge device. Generally this is not used by
* client software but is provided mostly for debug information.
* We want a method to read all state information from the device.
*/
cy_as_return_status_t
cy_as_usb_get_enum_config(cy_as_device_handle handle,
cy_as_usb_enum_control *config_p,
cy_as_function_callback cb,
uint32_t client)
{
return my_usb_get_enum_config(handle,
CY_AS_REQUEST_RESPONSE_MS, config_p, cb, client);
}
/*
* This method sets the USB descriptor for a given entity.
*/
cy_as_return_status_t
cy_as_usb_set_descriptor(cy_as_device_handle handle,
cy_as_usb_desc_type type,
uint8_t index,
void *desc_p,
uint16_t length,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_ll_request_response *req_p , *reply_p;
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
uint16_t pktlen;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_set_descriptor called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
if (length > CY_AS_MAX_USB_DESCRIPTOR_SIZE)
return CY_AS_ERROR_INVALID_DESCRIPTOR;
pktlen = (uint16_t)length / 2;
if (length % 2)
pktlen++;
pktlen += 2; /* 1 for type, 1 for length */
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p, CY_RQT_SET_DESCRIPTOR,
CY_RQT_USB_RQT_CONTEXT, (uint16_t)pktlen);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
cy_as_ll_request_response__set_word(req_p, 0,
(uint16_t)((uint8_t)type | (index << 8)));
cy_as_ll_request_response__set_word(req_p, 1,
(uint16_t)length);
cy_as_ll_request_response__pack(req_p, 2, length, desc_p);
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return my_handle_response_no_data(dev_p, req_p, reply_p);
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_SETDESCRIPTOR, 0, dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
/*
* This method clears all descriptors that were previously
* stored on the West Bridge through CyAsUsbSetDescriptor calls.
*/
cy_as_return_status_t
cy_as_usb_clear_descriptors(cy_as_device_handle handle,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_ll_request_response *req_p , *reply_p;
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_clear_descriptors called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if ((cy_as_device_is_in_callback(dev_p)) && (cb == 0))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_CLEAR_DESCRIPTORS, CY_RQT_USB_RQT_CONTEXT, 1);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return my_handle_response_no_data(dev_p, req_p, reply_p);
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_CLEARDESCRIPTORS, 0,
dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
static cy_as_return_status_t
my_handle_response_get_descriptor(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p,
cy_as_get_descriptor_data *data)
{
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
uint32_t retlen;
if (cy_as_ll_request_response__get_code(reply_p) ==
CY_RESP_SUCCESS_FAILURE) {
ret = cy_as_ll_request_response__get_word(reply_p, 0);
goto destroy;
} else if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_USB_DESCRIPTOR) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
retlen = cy_as_ll_request_response__get_word(reply_p, 0);
if (retlen > data->length) {
ret = CY_AS_ERROR_INVALID_SIZE;
goto destroy;
}
ret = CY_AS_ERROR_SUCCESS;
cy_as_ll_request_response__unpack(reply_p, 1,
retlen, data->desc_p);
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
/*
* This method retreives the USB descriptor for a given type.
*/
cy_as_return_status_t
cy_as_usb_get_descriptor(cy_as_device_handle handle,
cy_as_usb_desc_type type,
uint8_t index,
cy_as_get_descriptor_data *data,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p , *reply_p;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_get_descriptor called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_GET_DESCRIPTOR, CY_RQT_USB_RQT_CONTEXT, 1);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
cy_as_ll_request_response__set_word(req_p, 0,
(uint16_t)((uint8_t)type | (index << 8)));
/* Add one for the length field */
reply_p = cy_as_ll_create_response(dev_p,
CY_AS_MAX_USB_DESCRIPTOR_SIZE + 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(
dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return my_handle_response_get_descriptor(dev_p,
req_p, reply_p, data);
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_GETDESCRIPTOR, data,
dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p,
reply_p, cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
cy_as_return_status_t
cy_as_usb_set_physical_configuration(cy_as_device_handle handle,
uint8_t config)
{
cy_as_return_status_t ret;
cy_as_device *dev_p;
cy_as_log_debug_message(6,
"cy_as_usb_set_physical_configuration called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_usb_connected(dev_p))
return CY_AS_ERROR_USB_CONNECTED;
if (config < 1 || config > 12)
return CY_AS_ERROR_INVALID_CONFIGURATION;
dev_p->usb_phy_config = config;
return CY_AS_ERROR_SUCCESS;
}
static cy_bool
is_physical_valid(uint8_t config, cy_as_end_point_number_t ep)
{
static uint8_t validmask[12] = {
0x0f, /* Config 1 - 1, 2, 3, 4 */
0x07, /* Config 2 - 1, 2, 3 */
0x07, /* Config 3 - 1, 2, 3 */
0x0d, /* Config 4 - 1, 3, 4 */
0x05, /* Config 5 - 1, 3 */
0x05, /* Config 6 - 1, 3 */
0x0d, /* Config 7 - 1, 3, 4 */
0x05, /* Config 8 - 1, 3 */
0x05, /* Config 9 - 1, 3 */
0x0d, /* Config 10 - 1, 3, 4 */
0x09, /* Config 11 - 1, 4 */
0x01 /* Config 12 - 1 */
};
return (validmask[config - 1] & (1 << (ep - 1))) ? cy_true : cy_false;
}
/*
* This method sets the configuration for an endpoint
*/
cy_as_return_status_t
cy_as_usb_set_end_point_config(cy_as_device_handle handle,
cy_as_end_point_number_t ep, cy_as_usb_end_point_config *config_p)
{
cy_as_return_status_t ret;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_set_end_point_config called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_usb_connected(dev_p))
return CY_AS_ERROR_USB_CONNECTED;
if (ep >= 16 || ep == 2 || ep == 4 || ep == 6 || ep == 8)
return CY_AS_ERROR_INVALID_ENDPOINT;
if (ep == 0) {
/* Endpoint 0 must be 64 byte, dir IN/OUT,
* and control type */
if (config_p->dir != cy_as_usb_in_out ||
config_p->type != cy_as_usb_control)
return CY_AS_ERROR_INVALID_CONFIGURATION;
} else if (ep == 1) {
if ((dev_p->is_mtp_firmware == 1) &&
(dev_p->usb_config[1].enabled == cy_true)) {
return CY_AS_ERROR_INVALID_ENDPOINT;
}
/*
* EP1 can only be used either as an OUT ep, or as an IN ep.
*/
if ((config_p->type == cy_as_usb_control) ||
(config_p->type == cy_as_usb_iso) ||
(config_p->dir == cy_as_usb_in_out))
return CY_AS_ERROR_INVALID_CONFIGURATION;
} else {
if (config_p->dir == cy_as_usb_in_out ||
config_p->type == cy_as_usb_control)
return CY_AS_ERROR_INVALID_CONFIGURATION;
if (!is_physical_valid(dev_p->usb_phy_config,
config_p->physical))
return CY_AS_ERROR_INVALID_PHYSICAL_ENDPOINT;
/*
* ISO endpoints must be on E_ps 3, 5, 7 or 9 as
* they need to align directly with the underlying
* physical endpoint.
*/
if (config_p->type == cy_as_usb_iso) {
if (ep != 3 && ep != 5 && ep != 7 && ep != 9)
return CY_AS_ERROR_INVALID_CONFIGURATION;
if (ep == 3 && config_p->physical != 1)
return CY_AS_ERROR_INVALID_CONFIGURATION;
if (ep == 5 && config_p->physical != 2)
return CY_AS_ERROR_INVALID_CONFIGURATION;
if (ep == 7 && config_p->physical != 3)
return CY_AS_ERROR_INVALID_CONFIGURATION;
if (ep == 9 && config_p->physical != 4)
return CY_AS_ERROR_INVALID_CONFIGURATION;
}
}
/* Store the configuration information until a
* CyAsUsbCommitConfig is done */
dev_p->usb_config[ep] = *config_p;
/* If the endpoint is enabled, enable DMA associated
* with the endpoint */
/*
* we make some assumptions that we check here. we assume
* that the direction fields for the DMA module are the same
* values as the direction values for the USB module.
*/
cy_as_hal_assert((int)cy_as_usb_in == (int)cy_as_direction_in);
cy_as_hal_assert((int)cy_as_usb_out == (int)cy_as_direction_out);
cy_as_hal_assert((int)cy_as_usb_in_out == (int)cy_as_direction_in_out);
return cy_as_dma_enable_end_point(dev_p, ep,
config_p->enabled, (cy_as_dma_direction)config_p->dir);
}
cy_as_return_status_t
cy_as_usb_get_end_point_config(cy_as_device_handle handle,
cy_as_end_point_number_t ep, cy_as_usb_end_point_config *config_p)
{
cy_as_return_status_t ret;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_get_end_point_config called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (ep >= 16 || ep == 2 || ep == 4 || ep == 6 || ep == 8)
return CY_AS_ERROR_INVALID_ENDPOINT;
*config_p = dev_p->usb_config[ep];
return CY_AS_ERROR_SUCCESS;
}
/*
* Commit the configuration of the various endpoints to the hardware.
*/
cy_as_return_status_t
cy_as_usb_commit_config(cy_as_device_handle handle,
cy_as_function_callback cb,
uint32_t client)
{
uint32_t i;
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p , *reply_p;
cy_as_device *dev_p;
uint16_t data;
cy_as_log_debug_message(6, "cy_as_usb_commit_config called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_usb_connected(dev_p))
return CY_AS_ERROR_USB_CONNECTED;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
/*
* this performs the mapping based on informatation that was
* previously stored on the device about the various endpoints
* and how they are configured. the output of this mapping is
* setting the the 14 register values contained in usb_lepcfg
* and usb_pepcfg
*/
ret = cy_as_usb_map_logical2_physical(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
/*
* now, package the information about the various logical and
* physical endpoint configuration registers and send it
* across to the west bridge device.
*/
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_SET_USB_CONFIG_REGISTERS, CY_RQT_USB_RQT_CONTEXT, 8);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
cy_as_hal_print_message("USB configuration: %d\n",
dev_p->usb_phy_config);
cy_as_hal_print_message("EP1OUT: 0x%02x EP1IN: 0x%02x\n",
dev_p->usb_ep1cfg[0], dev_p->usb_ep1cfg[1]);
cy_as_hal_print_message("PEP registers: 0x%02x 0x%02x 0x%02x 0x%02x\n",
dev_p->usb_pepcfg[0], dev_p->usb_pepcfg[1],
dev_p->usb_pepcfg[2], dev_p->usb_pepcfg[3]);
cy_as_hal_print_message("LEP registers: 0x%02x 0x%02x 0x%02x "
"0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
dev_p->usb_lepcfg[0], dev_p->usb_lepcfg[1],
dev_p->usb_lepcfg[2], dev_p->usb_lepcfg[3],
dev_p->usb_lepcfg[4], dev_p->usb_lepcfg[5],
dev_p->usb_lepcfg[6], dev_p->usb_lepcfg[7],
dev_p->usb_lepcfg[8], dev_p->usb_lepcfg[9]);
/* Write the EP1OUTCFG and EP1INCFG data in the first word. */
data = (uint16_t)((dev_p->usb_ep1cfg[0] << 8) |
dev_p->usb_ep1cfg[1]);
cy_as_ll_request_response__set_word(req_p, 0, data);
/* Write the PEP CFG data in the next 2 words */
for (i = 0; i < 4; i += 2) {
data = (uint16_t)((dev_p->usb_pepcfg[i] << 8) |
dev_p->usb_pepcfg[i + 1]);
cy_as_ll_request_response__set_word(req_p,
1 + i / 2, data);
}
/* Write the LEP CFG data in the next 5 words */
for (i = 0; i < 10; i += 2) {
data = (uint16_t)((dev_p->usb_lepcfg[i] << 8) |
dev_p->usb_lepcfg[i + 1]);
cy_as_ll_request_response__set_word(req_p,
3 + i / 2, data);
}
/* A single status word response type */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p,
req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
ret = my_handle_response_no_data(dev_p,
req_p, reply_p);
if (ret == CY_AS_ERROR_SUCCESS)
ret = cy_as_usb_setup_dma(dev_p);
return ret;
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_COMMITCONFIG, 0, dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
static void
sync_request_callback(cy_as_device *dev_p,
cy_as_end_point_number_t ep, void *buf_p,
uint32_t size, cy_as_return_status_t err)
{
(void)ep;
(void)buf_p;
dev_p->usb_error = err;
dev_p->usb_actual_cnt = size;
}
static void
async_read_request_callback(cy_as_device *dev_p,
cy_as_end_point_number_t ep, void *buf_p,
uint32_t size, cy_as_return_status_t err)
{
cy_as_device_handle h;
cy_as_log_debug_message(6,
"async_read_request_callback called");
h = (cy_as_device_handle)dev_p;
if (ep == 0 && cy_as_device_is_ack_delayed(dev_p)) {
dev_p->usb_pending_buffer = buf_p;
dev_p->usb_pending_size = size;
dev_p->usb_error = err;
cy_as_usb_ack_setup_packet(h, usb_ack_callback, 0);
} else {
cy_as_usb_io_callback cb;
cb = dev_p->usb_cb[ep];
dev_p->usb_cb[ep] = 0;
cy_as_device_clear_usb_async_pending(dev_p, ep);
if (cb)
cb(h, ep, size, buf_p, err);
}
}
static void
async_write_request_callback(cy_as_device *dev_p,
cy_as_end_point_number_t ep, void *buf_p,
uint32_t size, cy_as_return_status_t err)
{
cy_as_device_handle h;
cy_as_log_debug_message(6,
"async_write_request_callback called");
h = (cy_as_device_handle)dev_p;
if (ep == 0 && cy_as_device_is_ack_delayed(dev_p)) {
dev_p->usb_pending_buffer = buf_p;
dev_p->usb_pending_size = size;
dev_p->usb_error = err;
/* The west bridge protocol generates ZLPs as required. */
cy_as_usb_ack_setup_packet(h, usb_ack_callback, 0);
} else {
cy_as_usb_io_callback cb;
cb = dev_p->usb_cb[ep];
dev_p->usb_cb[ep] = 0;
cy_as_device_clear_usb_async_pending(dev_p, ep);
if (cb)
cb(h, ep, size, buf_p, err);
}
}
static void
my_turbo_rqt_callback(cy_as_device *dev_p,
uint8_t context,
cy_as_ll_request_response *rqt,
cy_as_ll_request_response *resp,
cy_as_return_status_t stat)
{
uint8_t code;
(void)context;
(void)stat;
/* The Handlers are responsible for Deleting the rqt and resp when
* they are finished
*/
code = cy_as_ll_request_response__get_code(rqt);
switch (code) {
case CY_RQT_TURBO_SWITCH_ENDPOINT:
cy_as_hal_assert(stat == CY_AS_ERROR_SUCCESS);
cy_as_ll_destroy_request(dev_p, rqt);
cy_as_ll_destroy_response(dev_p, resp);
break;
default:
cy_as_hal_assert(cy_false);
break;
}
}
/* Send a mailbox request to prepare the endpoint for switching */
static cy_as_return_status_t
my_send_turbo_switch(cy_as_device *dev_p, uint32_t size, cy_bool pktread)
{
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p , *reply_p;
/* Create the request to send to the West Bridge device */
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_TURBO_SWITCH_ENDPOINT, CY_RQT_TUR_RQT_CONTEXT, 3);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
/* Reserve space for the reply, the reply data will
* not exceed one word */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
cy_as_ll_request_response__set_word(req_p, 0,
(uint16_t)pktread);
cy_as_ll_request_response__set_word(req_p, 1,
(uint16_t)((size >> 16) & 0xFFFF));
cy_as_ll_request_response__set_word(req_p, 2,
(uint16_t)(size & 0xFFFF));
ret = cy_as_ll_send_request(dev_p, req_p,
reply_p, cy_false, my_turbo_rqt_callback);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_request(dev_p, reply_p);
return ret;
}
return CY_AS_ERROR_SUCCESS;
}
cy_as_return_status_t
cy_as_usb_read_data(cy_as_device_handle handle,
cy_as_end_point_number_t ep, cy_bool pktread,
uint32_t dsize, uint32_t *dataread, void *data)
{
cy_as_return_status_t ret;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_read_data called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
if (ep >= 16 || ep == 4 || ep == 6 || ep == 8)
return CY_AS_ERROR_INVALID_ENDPOINT;
/* EP2 is available for reading when MTP is active */
if (dev_p->mtp_count == 0 && ep == CY_AS_MTP_READ_ENDPOINT)
return CY_AS_ERROR_INVALID_ENDPOINT;
/* If the endpoint is disabled, we cannot
* write data to the endpoint */
if (!dev_p->usb_config[ep].enabled)
return CY_AS_ERROR_ENDPOINT_DISABLED;
if (dev_p->usb_config[ep].dir != cy_as_usb_out)
return CY_AS_ERROR_USB_BAD_DIRECTION;
ret = cy_as_dma_queue_request(dev_p, ep, data, dsize,
pktread, cy_true, sync_request_callback);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (ep == CY_AS_MTP_READ_ENDPOINT) {
ret = my_send_turbo_switch(dev_p, dsize, pktread);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_dma_cancel(dev_p, ep, ret);
return ret;
}
ret = cy_as_dma_drain_queue(dev_p, ep, cy_false);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
} else {
ret = cy_as_dma_drain_queue(dev_p, ep, cy_true);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
}
ret = dev_p->usb_error;
*dataread = dev_p->usb_actual_cnt;
return ret;
}
cy_as_return_status_t
cy_as_usb_read_data_async(cy_as_device_handle handle,
cy_as_end_point_number_t ep, cy_bool pktread,
uint32_t dsize, void *data, cy_as_usb_io_callback cb)
{
cy_as_return_status_t ret;
uint32_t mask;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_read_data_async called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (ep >= 16 || ep == 4 || ep == 6 || ep == 8)
return CY_AS_ERROR_INVALID_ENDPOINT;
/* EP2 is available for reading when MTP is active */
if (dev_p->mtp_count == 0 && ep == CY_AS_MTP_READ_ENDPOINT)
return CY_AS_ERROR_INVALID_ENDPOINT;
/* If the endpoint is disabled, we cannot
* write data to the endpoint */
if (!dev_p->usb_config[ep].enabled)
return CY_AS_ERROR_ENDPOINT_DISABLED;
if (dev_p->usb_config[ep].dir != cy_as_usb_out &&
dev_p->usb_config[ep].dir != cy_as_usb_in_out)
return CY_AS_ERROR_USB_BAD_DIRECTION;
/*
* since async operations can be triggered by interrupt
* code, we must insure that we do not get multiple async
* operations going at one time and protect this test and
* set operation from interrupts.
*/
mask = cy_as_hal_disable_interrupts();
if (cy_as_device_is_usb_async_pending(dev_p, ep)) {
cy_as_hal_enable_interrupts(mask);
return CY_AS_ERROR_ASYNC_PENDING;
}
cy_as_device_set_usb_async_pending(dev_p, ep);
/*
* if this is for EP0, we set this bit to delay the
* ACK response until after this read has completed.
*/
if (ep == 0)
cy_as_device_set_ack_delayed(dev_p);
cy_as_hal_enable_interrupts(mask);
cy_as_hal_assert(dev_p->usb_cb[ep] == 0);
dev_p->usb_cb[ep] = cb;
ret = cy_as_dma_queue_request(dev_p, ep, data, dsize,
pktread, cy_true, async_read_request_callback);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (ep == CY_AS_MTP_READ_ENDPOINT) {
ret = my_send_turbo_switch(dev_p, dsize, pktread);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_dma_cancel(dev_p, ep, ret);
return ret;
}
} else {
/* Kick start the queue if it is not running */
cy_as_dma_kick_start(dev_p, ep);
}
return ret;
}
cy_as_return_status_t
cy_as_usb_write_data(cy_as_device_handle handle,
cy_as_end_point_number_t ep, uint32_t dsize, void *data)
{
cy_as_return_status_t ret;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_write_data called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
if (ep >= 16 || ep == 2 || ep == 4 || ep == 8)
return CY_AS_ERROR_INVALID_ENDPOINT;
/* EP6 is available for writing when MTP is active */
if (dev_p->mtp_count == 0 && ep == CY_AS_MTP_WRITE_ENDPOINT)
return CY_AS_ERROR_INVALID_ENDPOINT;
/* If the endpoint is disabled, we cannot
* write data to the endpoint */
if (!dev_p->usb_config[ep].enabled)
return CY_AS_ERROR_ENDPOINT_DISABLED;
if (dev_p->usb_config[ep].dir != cy_as_usb_in &&
dev_p->usb_config[ep].dir != cy_as_usb_in_out)
return CY_AS_ERROR_USB_BAD_DIRECTION;
/* Write on Turbo endpoint */
if (ep == CY_AS_MTP_WRITE_ENDPOINT) {
cy_as_ll_request_response *req_p, *reply_p;
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_TURBO_SEND_RESP_DATA_TO_HOST,
CY_RQT_TUR_RQT_CONTEXT, 3);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
cy_as_ll_request_response__set_word(req_p,
0, 0x0006); /* EP number to use. */
cy_as_ll_request_response__set_word(req_p,
1, (uint16_t)((dsize >> 16) & 0xFFFF));
cy_as_ll_request_response__set_word(req_p,
2, (uint16_t)(dsize & 0xFFFF));
/* Reserve space for the reply, the reply data
* will not exceed one word */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (dsize) {
ret = cy_as_dma_queue_request(dev_p,
ep, data, dsize, cy_false,
cy_false, sync_request_callback);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
}
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret == CY_AS_ERROR_SUCCESS) {
if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_SUCCESS_FAILURE)
ret = CY_AS_ERROR_INVALID_RESPONSE;
else
ret = cy_as_ll_request_response__get_word
(reply_p, 0);
}
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS) {
if (dsize)
cy_as_dma_cancel(dev_p, ep, ret);
return ret;
}
/* If this is a zero-byte write, firmware will
* handle it. there is no need to do any work here.
*/
if (!dsize)
return CY_AS_ERROR_SUCCESS;
} else {
ret = cy_as_dma_queue_request(dev_p, ep, data, dsize,
cy_false, cy_false, sync_request_callback);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
}
if (ep != CY_AS_MTP_WRITE_ENDPOINT)
ret = cy_as_dma_drain_queue(dev_p, ep, cy_true);
else
ret = cy_as_dma_drain_queue(dev_p, ep, cy_false);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
ret = dev_p->usb_error;
return ret;
}
static void
mtp_write_callback(
cy_as_device *dev_p,
uint8_t context,
cy_as_ll_request_response *rqt,
cy_as_ll_request_response *resp,
cy_as_return_status_t ret)
{
cy_as_usb_io_callback cb;
cy_as_device_handle h = (cy_as_device_handle)dev_p;
cy_as_hal_assert(context == CY_RQT_TUR_RQT_CONTEXT);
if (ret == CY_AS_ERROR_SUCCESS) {
if (cy_as_ll_request_response__get_code(resp) !=
CY_RESP_SUCCESS_FAILURE)
ret = CY_AS_ERROR_INVALID_RESPONSE;
else
ret = cy_as_ll_request_response__get_word(resp, 0);
}
/* If this was a zero byte transfer request, we can
* call the callback from here. */
if ((cy_as_ll_request_response__get_word(rqt, 1) == 0) &&
(cy_as_ll_request_response__get_word(rqt, 2) == 0)) {
cb = dev_p->usb_cb[CY_AS_MTP_WRITE_ENDPOINT];
dev_p->usb_cb[CY_AS_MTP_WRITE_ENDPOINT] = 0;
cy_as_device_clear_usb_async_pending(dev_p,
CY_AS_MTP_WRITE_ENDPOINT);
if (cb)
cb(h, CY_AS_MTP_WRITE_ENDPOINT, 0, 0, ret);
goto destroy;
}
if (ret != CY_AS_ERROR_SUCCESS) {
/* Firmware failed the request. Cancel the DMA transfer. */
cy_as_dma_cancel(dev_p, 0x06, CY_AS_ERROR_CANCELED);
dev_p->usb_cb[0x06] = 0;
cy_as_device_clear_usb_async_pending(dev_p, 0x06);
}
destroy:
cy_as_ll_destroy_response(dev_p, resp);
cy_as_ll_destroy_request(dev_p, rqt);
}
cy_as_return_status_t
cy_as_usb_write_data_async(cy_as_device_handle handle,
cy_as_end_point_number_t ep, uint32_t dsize, void *data,
cy_bool spacket, cy_as_usb_io_callback cb)
{
uint32_t mask;
cy_as_return_status_t ret;
cy_as_device *dev_p;
cy_as_log_debug_message(6, "cy_as_usb_write_data_async called");
dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (ep >= 16 || ep == 2 || ep == 4 || ep == 8)
return CY_AS_ERROR_INVALID_ENDPOINT;
/* EP6 is available for writing when MTP is active */
if (dev_p->mtp_count == 0 && ep == CY_AS_MTP_WRITE_ENDPOINT)
return CY_AS_ERROR_INVALID_ENDPOINT;
/* If the endpoint is disabled, we cannot
* write data to the endpoint */
if (!dev_p->usb_config[ep].enabled)
return CY_AS_ERROR_ENDPOINT_DISABLED;
if (dev_p->usb_config[ep].dir != cy_as_usb_in &&
dev_p->usb_config[ep].dir != cy_as_usb_in_out)
return CY_AS_ERROR_USB_BAD_DIRECTION;
/*
* since async operations can be triggered by interrupt
* code, we must insure that we do not get multiple
* async operations going at one time and
* protect this test and set operation from interrupts.
*/
mask = cy_as_hal_disable_interrupts();
if (cy_as_device_is_usb_async_pending(dev_p, ep)) {
cy_as_hal_enable_interrupts(mask);
return CY_AS_ERROR_ASYNC_PENDING;
}
cy_as_device_set_usb_async_pending(dev_p, ep);
if (ep == 0)
cy_as_device_set_ack_delayed(dev_p);
cy_as_hal_enable_interrupts(mask);
cy_as_hal_assert(dev_p->usb_cb[ep] == 0);
dev_p->usb_cb[ep] = cb;
dev_p->usb_spacket[ep] = spacket;
/* Write on Turbo endpoint */
if (ep == CY_AS_MTP_WRITE_ENDPOINT) {
cy_as_ll_request_response *req_p, *reply_p;
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_TURBO_SEND_RESP_DATA_TO_HOST,
CY_RQT_TUR_RQT_CONTEXT, 3);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
cy_as_ll_request_response__set_word(req_p, 0,
0x0006); /* EP number to use. */
cy_as_ll_request_response__set_word(req_p, 1,
(uint16_t)((dsize >> 16) & 0xFFFF));
cy_as_ll_request_response__set_word(req_p, 2,
(uint16_t)(dsize & 0xFFFF));
/* Reserve space for the reply, the reply data
* will not exceed one word */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (dsize) {
ret = cy_as_dma_queue_request(dev_p, ep, data,
dsize, cy_false, cy_false,
async_write_request_callback);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
}
ret = cy_as_ll_send_request(dev_p, req_p, reply_p,
cy_false, mtp_write_callback);
if (ret != CY_AS_ERROR_SUCCESS) {
if (dsize)
cy_as_dma_cancel(dev_p, ep, ret);
return ret;
}
/* Firmware will handle a zero byte transfer
* without any DMA transfers. */
if (!dsize)
return CY_AS_ERROR_SUCCESS;
} else {
ret = cy_as_dma_queue_request(dev_p, ep, data, dsize,
cy_false, cy_false, async_write_request_callback);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
}
/* Kick start the queue if it is not running */
if (ep != CY_AS_MTP_WRITE_ENDPOINT)
cy_as_dma_kick_start(dev_p, ep);
return CY_AS_ERROR_SUCCESS;
}
static void
my_usb_cancel_async_callback(
cy_as_device *dev_p,
uint8_t context,
cy_as_ll_request_response *rqt,
cy_as_ll_request_response *resp,
cy_as_return_status_t ret)
{
uint8_t ep;
(void)context;
ep = (uint8_t)cy_as_ll_request_response__get_word(rqt, 0);
if (ret == CY_AS_ERROR_SUCCESS) {
if (cy_as_ll_request_response__get_code(resp) !=
CY_RESP_SUCCESS_FAILURE)
ret = CY_AS_ERROR_INVALID_RESPONSE;
else
ret = cy_as_ll_request_response__get_word(resp, 0);
}
cy_as_ll_destroy_request(dev_p, rqt);
cy_as_ll_destroy_response(dev_p, resp);
if (ret == CY_AS_ERROR_SUCCESS) {
cy_as_dma_cancel(dev_p, ep, CY_AS_ERROR_CANCELED);
dev_p->usb_cb[ep] = 0;
cy_as_device_clear_usb_async_pending(dev_p, ep);
}
}
cy_as_return_status_t
cy_as_usb_cancel_async(cy_as_device_handle handle,
cy_as_end_point_number_t ep)
{
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p, *reply_p;
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ep &= 0x7F; /* Remove the direction bit. */
if (!cy_as_device_is_usb_async_pending(dev_p, ep))
return CY_AS_ERROR_ASYNC_NOT_PENDING;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_suspend_mode(dev_p))
return CY_AS_ERROR_IN_SUSPEND;
if ((ep == CY_AS_MTP_WRITE_ENDPOINT) ||
(ep == CY_AS_MTP_READ_ENDPOINT)) {
/* Need firmware support for the cancel operation. */
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_CANCEL_ASYNC_TRANSFER,
CY_RQT_TUR_RQT_CONTEXT, 1);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
cy_as_ll_request_response__set_word(req_p, 0,
(uint16_t)ep);
ret = cy_as_ll_send_request(dev_p, req_p, reply_p,
cy_false, my_usb_cancel_async_callback);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
} else {
ret = cy_as_dma_cancel(dev_p, ep, CY_AS_ERROR_CANCELED);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
dev_p->usb_cb[ep] = 0;
cy_as_device_clear_usb_async_pending(dev_p, ep);
}
return CY_AS_ERROR_SUCCESS;
}
static void
cy_as_usb_ack_callback(
cy_as_device *dev_p,
uint8_t context,
cy_as_ll_request_response *rqt,
cy_as_ll_request_response *resp,
cy_as_return_status_t ret)
{
cy_as_func_c_b_node *node = (cy_as_func_c_b_node *)
dev_p->func_cbs_usb->head_p;
(void)context;
if (ret == CY_AS_ERROR_SUCCESS) {
if (cy_as_ll_request_response__get_code(resp) !=
CY_RESP_SUCCESS_FAILURE)
ret = CY_AS_ERROR_INVALID_RESPONSE;
else
ret = cy_as_ll_request_response__get_word(resp, 0);
}
node->cb_p((cy_as_device_handle)dev_p, ret,
node->client_data, node->data_type, node->data);
cy_as_remove_c_b_node(dev_p->func_cbs_usb);
cy_as_ll_destroy_request(dev_p, rqt);
cy_as_ll_destroy_response(dev_p, resp);
cy_as_device_clear_ack_delayed(dev_p);
}
static cy_as_return_status_t
cy_as_usb_ack_setup_packet(cy_as_device_handle handle,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p;
cy_as_ll_request_response *reply_p;
cy_as_func_c_b_node *cbnode;
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p) && cb == 0)
return CY_AS_ERROR_INVALID_IN_CALLBACK;
cy_as_hal_assert(cb != 0);
cbnode = cy_as_create_func_c_b_node(cb, client);
if (cbnode == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
req_p = cy_as_ll_create_request(dev_p, 0,
CY_RQT_USB_RQT_CONTEXT, 2);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
cy_as_ll_init_request(req_p, CY_RQT_ACK_SETUP_PACKET,
CY_RQT_USB_RQT_CONTEXT, 1);
cy_as_ll_init_response(reply_p, 1);
req_p->flags |= CY_AS_REQUEST_RESPONSE_EX;
cy_as_insert_c_b_node(dev_p->func_cbs_usb, cbnode);
ret = cy_as_ll_send_request(dev_p, req_p, reply_p,
cy_false, cy_as_usb_ack_callback);
return ret;
}
/*
* Flush all data in logical EP that is being NAK-ed or
* Stall-ed, so that this does not continue to block data
* on other LEPs that use the same physical EP.
*/
static void
cy_as_usb_flush_logical_e_p(
cy_as_device *dev_p,
uint16_t ep)
{
uint16_t addr, val, count;
addr = CY_AS_MEM_P0_EP2_DMA_REG + ep - 2;
val = cy_as_hal_read_register(dev_p->tag, addr);
while (val) {
count = ((val & 0xFFF) + 1) / 2;
while (count--)
val = cy_as_hal_read_register(dev_p->tag, ep);
cy_as_hal_write_register(dev_p->tag, addr, 0);
val = cy_as_hal_read_register(dev_p->tag, addr);
}
}
static cy_as_return_status_t
cy_as_usb_nak_stall_request(cy_as_device_handle handle,
cy_as_end_point_number_t ep,
uint16_t request,
cy_bool state,
cy_as_usb_function_callback cb,
cy_as_function_callback fcb,
uint32_t client)
{
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p , *reply_p;
uint16_t data;
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
if (cb)
cy_as_hal_assert(fcb == 0);
if (fcb)
cy_as_hal_assert(cb == 0);
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p) && cb == 0 && fcb == 0)
return CY_AS_ERROR_INVALID_IN_CALLBACK;
req_p = cy_as_ll_create_request(dev_p,
request, CY_RQT_USB_RQT_CONTEXT, 2);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
/* A single status word response type */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
/* Set the endpoint */
data = (uint8_t)ep;
cy_as_ll_request_response__set_word(req_p, 0, data);
/* Set stall state to stalled */
cy_as_ll_request_response__set_word(req_p, 1, (uint8_t)state);
if (cb || fcb) {
void *cbnode;
cy_as_c_b_queue *queue;
if (cb) {
cbnode = cy_as_create_usb_func_c_b_node(cb, client);
queue = dev_p->usb_func_cbs;
} else {
cbnode = cy_as_create_func_c_b_node(fcb, client);
queue = dev_p->func_cbs_usb;
req_p->flags |= CY_AS_REQUEST_RESPONSE_EX;
}
if (cbnode == 0) {
ret = CY_AS_ERROR_OUT_OF_MEMORY;
goto destroy;
} else
cy_as_insert_c_b_node(queue, cbnode);
if (cy_as_device_is_setup_packet(dev_p)) {
/* No Ack is needed on a stall request on EP0 */
if ((state == cy_true) && (ep == 0)) {
cy_as_device_set_ep0_stalled(dev_p);
} else {
cy_as_device_set_ack_delayed(dev_p);
req_p->flags |=
CY_AS_REQUEST_RESPONSE_DELAY_ACK;
}
}
ret = cy_as_ll_send_request(dev_p, req_p,
reply_p, cy_false, cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS) {
if (req_p->flags & CY_AS_REQUEST_RESPONSE_DELAY_ACK)
cy_as_device_rem_ack_delayed(dev_p);
cy_as_remove_c_b_tail_node(queue);
goto destroy;
}
} else {
ret = cy_as_ll_send_request_wait_reply(dev_p,
req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
if (cy_as_ll_request_response__get_code(reply_p) !=
CY_RESP_SUCCESS_FAILURE) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
ret = cy_as_ll_request_response__get_word(reply_p, 0);
if ((ret == CY_AS_ERROR_SUCCESS) &&
(request == CY_RQT_STALL_ENDPOINT)) {
if ((ep > 1) && (state != 0) &&
(dev_p->usb_config[ep].dir == cy_as_usb_out))
cy_as_usb_flush_logical_e_p(dev_p, ep);
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
}
return ret;
}
static cy_as_return_status_t
my_handle_response_get_stall(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p,
cy_bool *state_p)
{
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
uint8_t code = cy_as_ll_request_response__get_code(reply_p);
if (code == CY_RESP_SUCCESS_FAILURE) {
ret = cy_as_ll_request_response__get_word(reply_p, 0);
goto destroy;
} else if (code != CY_RESP_ENDPOINT_STALL) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
*state_p = (cy_bool)cy_as_ll_request_response__get_word(reply_p, 0);
ret = CY_AS_ERROR_SUCCESS;
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
static cy_as_return_status_t
my_handle_response_get_nak(cy_as_device *dev_p,
cy_as_ll_request_response *req_p,
cy_as_ll_request_response *reply_p,
cy_bool *state_p)
{
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
uint8_t code = cy_as_ll_request_response__get_code(reply_p);
if (code == CY_RESP_SUCCESS_FAILURE) {
ret = cy_as_ll_request_response__get_word(reply_p, 0);
goto destroy;
} else if (code != CY_RESP_ENDPOINT_NAK) {
ret = CY_AS_ERROR_INVALID_RESPONSE;
goto destroy;
}
*state_p = (cy_bool)cy_as_ll_request_response__get_word(reply_p, 0);
ret = CY_AS_ERROR_SUCCESS;
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
static cy_as_return_status_t
cy_as_usb_get_nak_stall(cy_as_device_handle handle,
cy_as_end_point_number_t ep,
uint16_t request,
uint16_t response,
cy_bool *state_p,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p , *reply_p;
uint16_t data;
cy_as_device *dev_p = (cy_as_device *)handle;
(void)response;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p) && !cb)
return CY_AS_ERROR_INVALID_IN_CALLBACK;
req_p = cy_as_ll_create_request(dev_p, request,
CY_RQT_USB_RQT_CONTEXT, 1);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
/* Set the endpoint */
data = (uint8_t)ep;
cy_as_ll_request_response__set_word(req_p, 0, (uint16_t)ep);
/* A single status word response type */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p,
req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
if (request == CY_RQT_GET_STALL)
return my_handle_response_get_stall(dev_p,
req_p, reply_p, state_p);
else
return my_handle_response_get_nak(dev_p,
req_p, reply_p, state_p);
} else {
cy_as_funct_c_b_type type;
if (request == CY_RQT_GET_STALL)
type = CY_FUNCT_CB_USB_GETSTALL;
else
type = CY_FUNCT_CB_USB_GETNAK;
ret = cy_as_misc_send_request(dev_p, cb, client, type,
state_p, dev_p->func_cbs_usb, CY_AS_REQUEST_RESPONSE_EX,
req_p, reply_p, cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
cy_as_return_status_t
cy_as_usb_set_nak(cy_as_device_handle handle,
cy_as_end_point_number_t ep,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
/*
* we send the firmware the EP# with the appropriate direction
* bit, regardless of what the user gave us.
*/
ep &= 0x0f;
if (dev_p->usb_config[ep].dir == cy_as_usb_in)
ep |= 0x80;
if (dev_p->mtp_count > 0)
return CY_AS_ERROR_NOT_VALID_IN_MTP;
return cy_as_usb_nak_stall_request(handle, ep,
CY_RQT_ENDPOINT_SET_NAK, cy_true, 0, cb, client);
}
cy_as_return_status_t
cy_as_usb_clear_nak(cy_as_device_handle handle,
cy_as_end_point_number_t ep,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
/*
* we send the firmware the EP# with the appropriate
* direction bit, regardless of what the user gave us.
*/
ep &= 0x0f;
if (dev_p->usb_config[ep].dir == cy_as_usb_in)
ep |= 0x80;
if (dev_p->mtp_count > 0)
return CY_AS_ERROR_NOT_VALID_IN_MTP;
return cy_as_usb_nak_stall_request(handle, ep,
CY_RQT_ENDPOINT_SET_NAK, cy_false, 0, cb, client);
}
cy_as_return_status_t
cy_as_usb_get_nak(cy_as_device_handle handle,
cy_as_end_point_number_t ep,
cy_bool *nak_p,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
/*
* we send the firmware the EP# with the appropriate
* direction bit, regardless of what the user gave us.
*/
ep &= 0x0f;
if (dev_p->usb_config[ep].dir == cy_as_usb_in)
ep |= 0x80;
if (dev_p->mtp_count > 0)
return CY_AS_ERROR_NOT_VALID_IN_MTP;
return cy_as_usb_get_nak_stall(handle, ep,
CY_RQT_GET_ENDPOINT_NAK, CY_RESP_ENDPOINT_NAK,
nak_p, cb, client);
}
cy_as_return_status_t
cy_as_usb_set_stall(cy_as_device_handle handle,
cy_as_end_point_number_t ep,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
/*
* we send the firmware the EP# with the appropriate
* direction bit, regardless of what the user gave us.
*/
ep &= 0x0f;
if (dev_p->usb_config[ep].dir == cy_as_usb_in)
ep |= 0x80;
if (dev_p->mtp_turbo_active)
return CY_AS_ERROR_NOT_VALID_DURING_MTP;
return cy_as_usb_nak_stall_request(handle, ep,
CY_RQT_STALL_ENDPOINT, cy_true, 0, cb, client);
}
cy_as_return_status_t
cy_as_usb_clear_stall(cy_as_device_handle handle,
cy_as_end_point_number_t ep,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
/*
* we send the firmware the EP# with the appropriate
* direction bit, regardless of what the user gave us.
*/
ep &= 0x0f;
if (dev_p->usb_config[ep].dir == cy_as_usb_in)
ep |= 0x80;
if (dev_p->mtp_turbo_active)
return CY_AS_ERROR_NOT_VALID_DURING_MTP;
return cy_as_usb_nak_stall_request(handle, ep,
CY_RQT_STALL_ENDPOINT, cy_false, 0, cb, client);
}
cy_as_return_status_t
cy_as_usb_get_stall(cy_as_device_handle handle,
cy_as_end_point_number_t ep,
cy_bool *stall_p,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
/*
* we send the firmware the EP# with the appropriate
* direction bit, regardless of what the user gave us.
*/
ep &= 0x0f;
if (dev_p->usb_config[ep].dir == cy_as_usb_in)
ep |= 0x80;
if (dev_p->mtp_turbo_active)
return CY_AS_ERROR_NOT_VALID_DURING_MTP;
return cy_as_usb_get_nak_stall(handle, ep,
CY_RQT_GET_STALL, CY_RESP_ENDPOINT_STALL, stall_p, cb, client);
}
cy_as_return_status_t
cy_as_usb_signal_remote_wakeup(cy_as_device_handle handle,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p , *reply_p;
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if (cy_as_device_is_in_callback(dev_p))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
if (dev_p->usb_last_event != cy_as_event_usb_suspend)
return CY_AS_ERROR_NOT_IN_SUSPEND;
req_p = cy_as_ll_create_request(dev_p,
CY_RQT_USB_REMOTE_WAKEUP, CY_RQT_USB_RQT_CONTEXT, 0);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
/* A single status word response type */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
if (cy_as_ll_request_response__get_code(reply_p) ==
CY_RESP_SUCCESS_FAILURE)
ret = cy_as_ll_request_response__get_word(reply_p, 0);
else
ret = CY_AS_ERROR_INVALID_RESPONSE;
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_SIGNALREMOTEWAKEUP, 0,
dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p,
reply_p, cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
cy_as_return_status_t
cy_as_usb_set_m_s_report_threshold(cy_as_device_handle handle,
uint32_t wr_sectors,
uint32_t rd_sectors,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p , *reply_p;
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
if ((cb == 0) && (cy_as_device_is_in_callback(dev_p)))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
/* Check if the firmware version supports this feature. */
if ((dev_p->media_supported[0]) && (dev_p->media_supported[0] ==
(1 << cy_as_media_nand)))
return CY_AS_ERROR_NOT_SUPPORTED;
req_p = cy_as_ll_create_request(dev_p, CY_RQT_USB_STORAGE_MONITOR,
CY_RQT_USB_RQT_CONTEXT, 4);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
/* A single status word response type */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
/* Set the read and write count parameters into
* the request structure. */
cy_as_ll_request_response__set_word(req_p, 0,
(uint16_t)((wr_sectors >> 16) & 0xFFFF));
cy_as_ll_request_response__set_word(req_p, 1,
(uint16_t)(wr_sectors & 0xFFFF));
cy_as_ll_request_response__set_word(req_p, 2,
(uint16_t)((rd_sectors >> 16) & 0xFFFF));
cy_as_ll_request_response__set_word(req_p, 3,
(uint16_t)(rd_sectors & 0xFFFF));
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
if (cy_as_ll_request_response__get_code(reply_p) ==
CY_RESP_SUCCESS_FAILURE)
ret = cy_as_ll_request_response__get_word(reply_p, 0);
else
ret = CY_AS_ERROR_INVALID_RESPONSE;
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_USB_SET_MSREPORT_THRESHOLD, 0,
dev_p->func_cbs_usb, CY_AS_REQUEST_RESPONSE_EX,
req_p, reply_p, cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
cy_as_return_status_t
cy_as_usb_select_m_s_partitions(
cy_as_device_handle handle,
cy_as_bus_number_t bus,
uint32_t device,
cy_as_usb_m_s_type_t type,
cy_as_function_callback cb,
uint32_t client)
{
cy_as_return_status_t ret;
cy_as_ll_request_response *req_p , *reply_p;
uint16_t val;
cy_as_device *dev_p = (cy_as_device *)handle;
if (!dev_p || (dev_p->sig != CY_AS_DEVICE_HANDLE_SIGNATURE))
return CY_AS_ERROR_INVALID_HANDLE;
ret = is_usb_active(dev_p);
if (ret != CY_AS_ERROR_SUCCESS)
return ret;
/* This API has to be made before SetEnumConfig is called. */
if (dev_p->usb_config[0].enabled)
return CY_AS_ERROR_INVALID_CALL_SEQUENCE;
if ((cb == 0) && (cy_as_device_is_in_callback(dev_p)))
return CY_AS_ERROR_INVALID_IN_CALLBACK;
req_p = cy_as_ll_create_request(dev_p, CY_RQT_MS_PARTITION_SELECT,
CY_RQT_USB_RQT_CONTEXT, 2);
if (req_p == 0)
return CY_AS_ERROR_OUT_OF_MEMORY;
/* A single status word response type */
reply_p = cy_as_ll_create_response(dev_p, 1);
if (reply_p == 0) {
cy_as_ll_destroy_request(dev_p, req_p);
return CY_AS_ERROR_OUT_OF_MEMORY;
}
/* Set the read and write count parameters into
* the request structure. */
cy_as_ll_request_response__set_word(req_p, 0,
(uint16_t)((bus << 8) | device));
val = 0;
if ((type == cy_as_usb_m_s_unit0) || (type == cy_as_usb_m_s_both))
val |= 1;
if ((type == cy_as_usb_m_s_unit1) || (type == cy_as_usb_m_s_both))
val |= (1 << 8);
cy_as_ll_request_response__set_word(req_p, 1, val);
if (cb == 0) {
ret = cy_as_ll_send_request_wait_reply(dev_p, req_p, reply_p);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
if (cy_as_ll_request_response__get_code(reply_p) ==
CY_RESP_SUCCESS_FAILURE)
ret = cy_as_ll_request_response__get_word(reply_p, 0);
else
ret = CY_AS_ERROR_INVALID_RESPONSE;
} else {
ret = cy_as_misc_send_request(dev_p, cb, client,
CY_FUNCT_CB_NODATA, 0, dev_p->func_cbs_usb,
CY_AS_REQUEST_RESPONSE_EX, req_p, reply_p,
cy_as_usb_func_callback);
if (ret != CY_AS_ERROR_SUCCESS)
goto destroy;
return ret;
}
destroy:
cy_as_ll_destroy_request(dev_p, req_p);
cy_as_ll_destroy_response(dev_p, reply_p);
return ret;
}
static void
cy_as_usb_func_callback(
cy_as_device *dev_p,
uint8_t context,
cy_as_ll_request_response *rqt,
cy_as_ll_request_response *resp,
cy_as_return_status_t stat)
{
cy_as_usb_func_c_b_node* node = (cy_as_usb_func_c_b_node *)
dev_p->usb_func_cbs->head_p;
cy_as_func_c_b_node* fnode = (cy_as_func_c_b_node *)
dev_p->func_cbs_usb->head_p;
cy_as_return_status_t ret = CY_AS_ERROR_SUCCESS;
cy_as_device_handle h = (cy_as_device_handle)dev_p;
cy_bool delayed_ack = (rqt->flags & CY_AS_REQUEST_RESPONSE_DELAY_ACK)
== CY_AS_REQUEST_RESPONSE_DELAY_ACK;
cy_bool ex_request = (rqt->flags & CY_AS_REQUEST_RESPONSE_EX)
== CY_AS_REQUEST_RESPONSE_EX;
cy_bool ms_request = (rqt->flags & CY_AS_REQUEST_RESPONSE_MS)
== CY_AS_REQUEST_RESPONSE_MS;
uint8_t code;
uint8_t ep, state;
if (!ex_request && !ms_request) {
cy_as_hal_assert(dev_p->usb_func_cbs->count != 0);
cy_as_hal_assert(dev_p->usb_func_cbs->type ==
CYAS_USB_FUNC_CB);
} else {
cy_as_hal_assert(dev_p->func_cbs_usb->count != 0);
cy_as_hal_assert(dev_p->func_cbs_usb->type == CYAS_FUNC_CB);
}
(void)context;
/* The Handlers are responsible for Deleting the rqt and resp when
* they are finished
*/
code = cy_as_ll_request_response__get_code(rqt);
switch (code) {
case CY_RQT_START_USB:
ret = my_handle_response_usb_start(dev_p, rqt, resp, stat);
break;
case CY_RQT_STOP_USB:
ret = my_handle_response_usb_stop(dev_p, rqt, resp, stat);
break;
case CY_RQT_SET_CONNECT_STATE:
if (!cy_as_ll_request_response__get_word(rqt, 0))
ret = my_handle_response_disconnect(
dev_p, rqt, resp, stat);
else
ret = my_handle_response_connect(
dev_p, rqt, resp, stat);
break;
case CY_RQT_GET_CONNECT_STATE:
break;
case CY_RQT_SET_USB_CONFIG:
ret = my_handle_response_set_enum_config(dev_p, rqt, resp);
break;
case CY_RQT_GET_USB_CONFIG:
cy_as_hal_assert(fnode->data != 0);
ret = my_handle_response_get_enum_config(dev_p,
rqt, resp, fnode->data);
break;
case CY_RQT_STALL_ENDPOINT:
ep = (uint8_t)cy_as_ll_request_response__get_word(rqt, 0);
state = (uint8_t)cy_as_ll_request_response__get_word(rqt, 1);
ret = my_handle_response_no_data(dev_p, rqt, resp);
if ((ret == CY_AS_ERROR_SUCCESS) && (ep > 1) && (state != 0)
&& (dev_p->usb_config[ep].dir == cy_as_usb_out))
cy_as_usb_flush_logical_e_p(dev_p, ep);
break;
case CY_RQT_GET_STALL:
cy_as_hal_assert(fnode->data != 0);
ret = my_handle_response_get_stall(dev_p,
rqt, resp, (cy_bool *)fnode->data);
break;
case CY_RQT_SET_DESCRIPTOR:
ret = my_handle_response_no_data(dev_p, rqt, resp);
break;
case CY_RQT_GET_DESCRIPTOR:
cy_as_hal_assert(fnode->data != 0);
ret = my_handle_response_get_descriptor(dev_p,
rqt, resp, (cy_as_get_descriptor_data *)fnode->data);
break;
case CY_RQT_SET_USB_CONFIG_REGISTERS:
ret = my_handle_response_no_data(dev_p, rqt, resp);
if (ret == CY_AS_ERROR_SUCCESS)
ret = cy_as_usb_setup_dma(dev_p);
break;
case CY_RQT_ENDPOINT_SET_NAK:
ret = my_handle_response_no_data(dev_p, rqt, resp);
break;
case CY_RQT_GET_ENDPOINT_NAK:
cy_as_hal_assert(fnode->data != 0);
ret = my_handle_response_get_nak(dev_p,
rqt, resp, (cy_bool *)fnode->data);
break;
case CY_RQT_ACK_SETUP_PACKET:
break;
case CY_RQT_USB_REMOTE_WAKEUP:
ret = my_handle_response_no_data(dev_p, rqt, resp);
break;
case CY_RQT_CLEAR_DESCRIPTORS:
ret = my_handle_response_no_data(dev_p, rqt, resp);
break;
case CY_RQT_USB_STORAGE_MONITOR:
ret = my_handle_response_no_data(dev_p, rqt, resp);
break;
case CY_RQT_MS_PARTITION_SELECT:
ret = my_handle_response_no_data(dev_p, rqt, resp);
break;
default:
ret = CY_AS_ERROR_INVALID_RESPONSE;
cy_as_hal_assert(cy_false);
break;
}
/*
* if the low level layer returns a direct error, use
* the corresponding error code. if not, use the error
* code based on the response from firmware.
*/
if (stat == CY_AS_ERROR_SUCCESS)
stat = ret;
if (ex_request || ms_request) {
fnode->cb_p((cy_as_device_handle)dev_p, stat,
fnode->client_data, fnode->data_type, fnode->data);
cy_as_remove_c_b_node(dev_p->func_cbs_usb);
} else {
node->cb_p((cy_as_device_handle)dev_p, stat,
node->client_data);
cy_as_remove_c_b_node(dev_p->usb_func_cbs);
}
if (delayed_ack) {
cy_as_hal_assert(cy_as_device_is_ack_delayed(dev_p));
cy_as_device_rem_ack_delayed(dev_p);
/*
* send the ACK if required.
*/
if (!cy_as_device_is_ack_delayed(dev_p))
cy_as_usb_ack_setup_packet(h,
usb_ack_callback, 0);
}
}
/*[]*/