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update video device class driver

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This commit is contained in:
sakumisu
2022-02-12 18:50:09 +08:00
parent ae5c691587
commit d60532071d
4 changed files with 304 additions and 74 deletions
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78
class/video/usb_video.h
View File

@@ -154,7 +154,7 @@
#define VIDEO_EU_PEAK_BIT_RATE_CONTROL 0x09U
#define VIDEO_EU_QUANTIZATION_PARAMS_CONTROL 0x0AU
#define VIDEO_EU_SYNC_REF_FRAME_CONTROL 0x0BU
#define VIDEO_EU_LTR_BUFFER_ CONTROL0x0CU
#define VIDEO_EU_LTR_BUFFER_CONTROL 0x0CU
#define VIDEO_EU_LTR_PICTURE_CONTROL 0x0DU
#define VIDEO_EU_LTR_VALIDATION_CONTROL 0x0EU
#define VIDEO_EU_LEVEL_IDC_LIMIT_CONTROL 0x0FU
@@ -806,4 +806,80 @@ struct video_still_probe_and_commit_controls {
receive in a single payload transfer.*/
} __PACKED;
struct video_cs_vc_if_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bNumFormats;
uint16_t wTotalLength;
uint8_t bEndpointAddress;
uint8_t bmInfo;
uint8_t bTerminalLink;
uint8_t bStillCaptureMethod;
uint8_t bTriggerSupport;
uint8_t bTriggerUsage;
uint8_t bControlSize;
uint8_t bmaControls[];
} __PACKED;
struct video_cs_vs_input_header_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bNumFormats;
uint16_t wTotalLength;
uint8_t bEndpointAddress;
uint8_t bmInfo;
uint8_t bTerminalLink;
uint8_t bStillCaptureMethod;
uint8_t bTriggerSupport;
uint8_t bTriggerUsage;
uint8_t bControlSize;
uint8_t bmaControls[];
} __PACKED;
struct video_cs_vs_output_header_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bNumFormats;
uint16_t wTotalLength;
uint8_t bEndpointAddress;
uint8_t bTerminalLink;
uint8_t bControlSize;
uint8_t bmaControls[];
} __PACKED;
struct video_cs_vs_padload_format_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bNumFormats;
uint16_t wTotalLength;
uint8_t bEndpointAddress;
uint8_t bTerminalLink;
uint8_t bControlSize;
uint8_t bmaControls[];
} __PACKED;
struct video_cs_vs_frame_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bFrameIndex;
uint8_t bmCapabilities;
uint16_t wWidth;
uint16_t wHeight;
uint32_t dwMinBitRate;
uint32_t dwMaxBitRate;
uint32_t dwMaxVideoFrameBufferSize;
uint32_t dwDefaultFrameInterval;
uint8_t bFrameIntervalType;
uint32_t dwFrameInterval[];
} __PACKED;
struct video_entity_info {
uint8_t bDescriptorSubtype;
uint8_t bEntityId;
};
#endif /* USB_VIDEO_H_ */

283
class/video/usbd_video.c
View File

@@ -22,113 +22,256 @@
#include "usbd_core.h"
#include "usbd_video.h"
extern struct video_probe_and_commit_controls probe;
extern struct video_probe_and_commit_controls commit;
struct usbd_video_cfg_priv {
struct video_entity_info *entity_info;
uint8_t entity_count;
struct video_probe_and_commit_controls *probe;
struct video_probe_and_commit_controls *commit;
uint8_t power_mode;
uint8_t error_code;
uint8_t vcintf;
uint8_t vsintf;
} usbd_video_cfg = { .vcintf = 0xff, .vsintf = 0xff };
int video_class_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
static int usbd_video_control_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
{
USB_LOG_DBG("Video Class request: "
"bRequest 0x%02x\r\n",
setup->bRequest);
uint8_t cs = (uint8_t)(setup->wValue >> 8); /* control_selector */
switch (setup->bRequest) {
case VIDEO_REQUEST_SET_CUR:
if (setup->wValue == 256) {
memcpy((uint8_t *)&probe, *data, setup->wLength);
} else if (setup->wValue == 512) {
memcpy((uint8_t *)&commit, *data, setup->wLength);
switch (cs) {
case VIDEO_VC_VIDEO_POWER_MODE_CONTROL:
switch (setup->bRequest) {
case VIDEO_REQUEST_SET_CUR:
break;
case VIDEO_REQUEST_GET_CUR:
break;
case VIDEO_REQUEST_GET_INFO:
break;
default:
USB_LOG_WRN("Unhandled Video Class bRequest 0x%02x\r\n", setup->bRequest);
return -1;
}
break;
case VIDEO_REQUEST_GET_CUR:
if (setup->wValue == 256) {
*data = (uint8_t *)&probe;
} else if (setup->wValue == 512) {
*data = (uint8_t *)&commit;
case VIDEO_VC_REQUEST_ERROR_CODE_CONTROL:
switch (setup->bRequest) {
case VIDEO_REQUEST_GET_CUR:
break;
case VIDEO_REQUEST_GET_INFO:
break;
default:
USB_LOG_WRN("Unhandled Video Class bRequest 0x%02x\r\n", setup->bRequest);
return -1;
}
break;
case VIDEO_REQUEST_GET_MIN:
if (setup->wValue == 256) {
*data = (uint8_t *)&probe;
} else if (setup->wValue == 512) {
*data = (uint8_t *)&commit;
}
break;
case VIDEO_REQUEST_GET_MAX:
if (setup->wValue == 256) {
*data = (uint8_t *)&probe;
} else if (setup->wValue == 512) {
*data = (uint8_t *)&commit;
}
break;
case VIDEO_REQUEST_GET_RES:
break;
case VIDEO_REQUEST_GET_LEN:
break;
case VIDEO_REQUEST_GET_INFO:
break;
case VIDEO_REQUEST_GET_DEF:
if (setup->wLength == 256) {
*data = (uint8_t *)&probe;
} else if (setup->wLength == 512) {
*data = (uint8_t *)&commit;
}
break;
default:
USB_LOG_WRN("Unhandled Video Class bRequest 0x%02x\r\n", setup->bRequest);
return -1;
break;
}
return 0;
}
void video_notify_handler(uint8_t event, void *arg)
static int usbd_video_control_unit_terminal_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
{
uint8_t entity_id = (uint8_t)(setup->wIndex >> 8);
uint8_t cs = (uint8_t)(setup->wValue >> 8); /* control_selector */
for (uint8_t i = 0; i < usbd_video_cfg.entity_count; i++) {
if (usbd_video_cfg.entity_info[i].bEntityId == entity_id) {
switch (usbd_video_cfg.entity_info[i].bDescriptorSubtype) {
case VIDEO_VC_INPUT_TERMINAL_DESCRIPTOR_SUBTYPE:
break;
case VIDEO_VC_OUTPUT_TERMINAL_DESCRIPTOR_SUBTYPE:
break;
case VIDEO_VC_PROCESSING_UNIT_DESCRIPTOR_SUBTYPE:
break;
switch (setup->bRequest) {
case VIDEO_REQUEST_SET_CUR:
if (cs == VIDEO_PU_BRIGHTNESS_CONTROL) {
}
break;
default:
USB_LOG_WRN("Unhandled Video Class bRequest 0x%02x\r\n", setup->bRequest);
return -1;
}
default:
break;
}
}
}
return 0;
}
static int usbd_video_stream_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
{
uint8_t cs = (uint8_t)(setup->wValue >> 8); /* control_selector */
switch (cs) {
case VIDEO_VS_PROBE_CONTROL:
switch (setup->bRequest) {
case VIDEO_REQUEST_SET_CUR:
memcpy((uint8_t *)usbd_video_cfg.probe, *data, setup->wLength);
break;
case VIDEO_REQUEST_GET_CUR:
*data = (uint8_t *)usbd_video_cfg.probe;
*len = sizeof(struct video_probe_and_commit_controls);
break;
case VIDEO_REQUEST_GET_MIN:
case VIDEO_REQUEST_GET_MAX:
case VIDEO_REQUEST_GET_RES:
case VIDEO_REQUEST_GET_DEF:
*data = (uint8_t *)usbd_video_cfg.probe;
*len = sizeof(struct video_probe_and_commit_controls);
break;
case VIDEO_REQUEST_GET_LEN:
(*data)[0] = sizeof(struct video_probe_and_commit_controls);
*len = 1;
break;
case VIDEO_REQUEST_GET_INFO:
(*data)[0] = 0x03;
*len = 1;
break;
default:
USB_LOG_WRN("Unhandled Video Class bRequest 0x%02x\r\n", setup->bRequest);
return -1;
}
break;
case VIDEO_VS_COMMIT_CONTROL:
switch (setup->bRequest) {
case VIDEO_REQUEST_SET_CUR:
memcpy((uint8_t *)usbd_video_cfg.commit, *data, setup->wLength);
break;
case VIDEO_REQUEST_GET_CUR:
*data = (uint8_t *)usbd_video_cfg.commit;
*len = sizeof(struct video_probe_and_commit_controls);
break;
case VIDEO_REQUEST_GET_MIN:
case VIDEO_REQUEST_GET_MAX:
case VIDEO_REQUEST_GET_RES:
case VIDEO_REQUEST_GET_DEF:
*data = (uint8_t *)usbd_video_cfg.commit;
*len = sizeof(struct video_probe_and_commit_controls);
break;
case VIDEO_REQUEST_GET_LEN:
(*data)[0] = sizeof(struct video_probe_and_commit_controls);
*len = 1;
break;
case VIDEO_REQUEST_GET_INFO:
(*data)[0] = 0x03;
*len = 1;
break;
default:
USB_LOG_WRN("Unhandled Video Class bRequest 0x%02x\r\n", setup->bRequest);
return -1;
}
break;
case VIDEO_VS_STREAM_ERROR_CODE_CONTROL:
switch (setup->bRequest) {
case VIDEO_REQUEST_GET_CUR:
*data = &usbd_video_cfg.error_code;
*len = 1;
break;
case VIDEO_REQUEST_GET_INFO:
(*data)[0] = 0x01;
*len = 1;
break;
default:
USB_LOG_WRN("Unhandled Video Class bRequest 0x%02x\r\n", setup->bRequest);
return -1;
}
break;
default:
break;
}
return 0;
}
static int video_class_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
{
USB_LOG_DBG("Video Class request: "
"bRequest 0x%02x\r\n",
setup->bRequest);
uint8_t intf_num = (uint8_t)setup->wIndex;
uint8_t entity_id = (uint8_t)(setup->wIndex >> 8);
if (usbd_video_cfg.vcintf == intf_num) { /* Video Control Interface */
if (entity_id == 0) {
return usbd_video_control_request_handler(setup, data, len); /* Interface Control Requests */
} else {
return usbd_video_control_unit_terminal_request_handler(setup, data, len); /* Unit and Terminal Requests */
}
} else if (usbd_video_cfg.vsintf == intf_num) { /* Video Stream Inteface */
return usbd_video_stream_request_handler(setup, data, len); /* Interface Stream Requests */
}
return -1;
}
static void video_notify_handler(uint8_t event, void *arg)
{
switch (event) {
case USBD_EVENT_RESET:
usbd_video_cfg.error_code = 0;
usbd_video_cfg.power_mode = 0;
break;
case USBD_EVENT_SOF:
usbd_video_sof_callback();
break;
case USBD_EVENT_SET_INTERFACE:
usbd_video_set_interface_callback(((uint8_t *)arg)[3]);
break;
case USBD_EVENT_SET_INTERFACE: {
struct usb_interface_descriptor *intf = (struct usb_interface_descriptor *)arg;
usbd_video_set_interface_callback(intf->bAlternateSetting);
}
break;
default:
break;
}
}
void usbd_video_add_interface(usbd_class_t *devclass, usbd_interface_t *intf)
void usbd_video_add_interface(usbd_class_t *class, usbd_interface_t *intf)
{
static usbd_class_t *last_class = NULL;
if (last_class != devclass) {
last_class = devclass;
usbd_class_register(devclass);
if (last_class != class) {
last_class = class;
usbd_class_register(class);
}
intf->class_handler = video_class_request_handler;
intf->custom_handler = NULL;
intf->vendor_handler = NULL;
intf->notify_handler = video_notify_handler;
usbd_class_add_interface(devclass, intf);
usbd_class_add_interface(class, intf);
if (usbd_video_cfg.vcintf == 0xff) {
usbd_video_cfg.vcintf = intf->intf_num;
} else if (usbd_video_cfg.vsintf == 0xff) {
usbd_video_cfg.vsintf = intf->intf_num;
}
}
void usbd_video_set_probe_and_commit_controls(struct video_probe_and_commit_controls *probe,
struct video_probe_and_commit_controls *commit)
{
usbd_video_cfg.probe = probe;
usbd_video_cfg.commit = commit;
}
void usbd_video_set_entity_info(struct video_entity_info *info, uint8_t count)
{
usbd_video_cfg.entity_info = info;
usbd_video_cfg.entity_count = count;
}
__WEAK void usbd_video_sof_callback(void)
{
}

6
class/video/usbd_video.h
View File

@@ -29,9 +29,13 @@
extern "C" {
#endif
void usbd_video_add_interface(usbd_class_t *class, usbd_interface_t *intf);
void usbd_video_set_probe_and_commit_controls(struct video_probe_and_commit_controls *probe,
struct video_probe_and_commit_controls *commit);
void usbd_video_set_entity_info(struct video_entity_info *info, uint8_t count);
void usbd_video_sof_callback(void);
void usbd_video_set_interface_callback(uint8_t value);
void usbd_video_add_interface(usbd_class_t *devclass, usbd_interface_t *intf);
#ifdef __cplusplus
}