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usbh: support MTT hub

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Signed-off-by: HiFiPhile <admin@hifiphile.com>
This commit is contained in:
HiFiPhile
2025-12-13 21:22:10 +01:00
parent 54857210e6
commit 826f0e9d94
1 changed files with 30 additions and 14 deletions
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44
src/host/hub.c
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@ -48,7 +48,7 @@ typedef struct {
uint8_t bNbrPorts;
uint8_t bPwrOn2PwrGood_2ms; // port power on to good, in 2ms unit
// uint16_t wHubCharacteristics;
bool mtt;
hub_port_status_response_t port_status;
} hub_interface_t;
@ -223,11 +223,19 @@ uint16_t hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const
TU_VERIFY(TUSB_CLASS_HUB == itf_desc->bInterfaceClass &&
0 == itf_desc->bInterfaceSubClass, 0);
TU_VERIFY(itf_desc->bInterfaceProtocol <= 1, 0); // not support multiple TT yet
const uint16_t drv_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_desc_endpoint_t);
uint16_t const drv_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_desc_endpoint_t);
TU_ASSERT(drv_len <= max_len, 0);
tusb_desc_device_t desc_dev;
tuh_descriptor_get_device_local(dev_addr, &desc_dev);
// Skip opening interrupt endpoint for MTT hub
if (desc_dev.bDeviceProtocol == 2 && itf_desc->bInterfaceProtocol == 1) {
hub_interface_t* p_hub = get_hub_itf(dev_addr);
p_hub->mtt = true;
return drv_len;
}
// Interrupt Status endpoint
tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType &&
@ -269,12 +277,26 @@ bool hub_edpt_status_xfer(uint8_t daddr) {
//--------------------------------------------------------------------+
static void config_set_port_power (tuh_xfer_t* xfer);
static void config_port_power_complete (tuh_xfer_t* xfer);
static void config_get_hub_descriptor(tuh_xfer_t* xfer);
bool hub_set_config(uint8_t daddr, uint8_t itf_num) {
hub_interface_t* p_hub = get_hub_itf(daddr);
TU_ASSERT(itf_num == p_hub->itf_num);
hub_epbuf_t* p_epbuf = get_hub_epbuf(daddr);
if (p_hub->mtt) {
// Set Alternate Setting 1 for MTT hub
TU_ASSERT(tuh_interface_set(daddr, itf_num, 1, config_get_hub_descriptor, 0));
} else {
tuh_xfer_t xfer;
xfer.daddr = daddr;
xfer.ep_addr = 0;
config_get_hub_descriptor(&xfer);
}
return true;
}
static void config_get_hub_descriptor(tuh_xfer_t* xfer) {
// Get Hub Descriptor
tusb_control_request_t const request = {
.bmRequestType_bit = {
@ -288,17 +310,11 @@ bool hub_set_config(uint8_t daddr, uint8_t itf_num) {
.wLength = sizeof(hub_desc_cs_t)
};
tuh_xfer_t xfer = {
.daddr = daddr,
.ep_addr = 0,
.setup = &request,
.buffer = p_epbuf->ctrl_buf,
.complete_cb = config_set_port_power,
.user_data = 0
};
xfer->setup = &request;
xfer->buffer = get_hub_epbuf(xfer->daddr)->ctrl_buf;
xfer->complete_cb = config_set_port_power;
TU_ASSERT(tuh_control_xfer(&xfer));
return true;
TU_ASSERT(tuh_control_xfer(xfer), );
}
static void config_set_port_power (tuh_xfer_t* xfer) {