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jz47x0: Minor code quality improvements in the jz47xx USB drivers

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* Replace magic nubmers with #defined constant
 * Tweak some logf messages

No functional changes!

Change-Id: I6a5e4c371a471197a8edbb853967e461621d73f8
This commit is contained in:
Solomon Peachy 2021-11-22 08:08:12 -05:00
parent 5bd9ed801f
commit 3d07ec46ee
3 changed files with 19 additions and 11 deletions
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21
firmware/target/mips/ingenic_jz47xx/usb-jz4760.c
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@ -106,7 +106,7 @@ static volatile bool ep0_data_requested = false;
static struct usb_endpoint endpoints[] =
{
EP_INIT(ep_control, USB_FIFO_EP(0), 64, NULL),
EP_INIT(ep_control, USB_FIFO_EP(0), 64, &ep0_rx.buf),
EP_INIT(ep_control, USB_FIFO_EP(0), 64, ep0_rx.buf),
EP_INIT(ep_bulk, USB_FIFO_EP(1), 512, NULL),
EP_INIT(ep_bulk, USB_FIFO_EP(1), 512, NULL),
EP_INIT(ep_interrupt, USB_FIFO_EP(2), 512, NULL),
@ -230,6 +230,8 @@ static void EP0_send(void)
select_endpoint(0);
csr0 = REG_USB_CSR0;
logf("%s(): 0x%x %d %d", __func__, csr0, ep->sent, ep->length);
if(ep->sent == 0)
{
length = MIN(ep->length, ep->fifo_size);
@ -245,7 +247,7 @@ static void EP0_send(void)
{
REG_USB_CSR0 = (csr0 | USB_CSR0_INPKTRDY | USB_CSR0_DATAEND); /* Set data end! */
if (!ep->wait)
usb_core_transfer_complete(0, USB_DIR_IN, 0, ep->sent);
usb_core_transfer_complete(EP_CONTROL, USB_DIR_IN, 0, ep->sent);
ep->rc = 0;
ep_transfer_completed(ep);
}
@ -263,7 +265,7 @@ static void EP0_handler(void)
select_endpoint(0);
csr0 = REG_USB_CSR0;
logf("%s(): 0x%x", __func__, csr0);
logf("%s(): 0x%x %d", __func__, csr0, ep_send->busy);
/* Check for SentStall:
This bit is set when a STALL handshake is transmitted. The CPU should clear this bit.
@ -288,12 +290,12 @@ static void EP0_handler(void)
if (ep_send->busy)
{
if (!ep_send->wait)
usb_core_transfer_complete(0, USB_DIR_IN, -1, 0);
usb_core_transfer_complete(EP_CONTROL, USB_DIR_IN, -1, 0);
ep_transfer_completed(ep_send);
}
if (ep_recv->busy)
{
usb_core_transfer_complete(0, USB_DIR_OUT, -1, 0);
usb_core_transfer_complete(EP_CONTROL, USB_DIR_OUT, -1, 0);
ep_transfer_completed(ep_recv);
}
}
@ -304,7 +306,7 @@ static void EP0_handler(void)
if (ep_send->busy)
{
if (!ep_send->wait)
usb_core_transfer_complete(0, USB_DIR_IN, -1, 0);
usb_core_transfer_complete(EP_CONTROL, USB_DIR_IN, -1, 0);
ep_transfer_completed(ep_send);
}
if (ep_recv->busy && ep_recv->buf && ep_recv->length)
@ -315,7 +317,7 @@ static void EP0_handler(void)
if (size < ep_recv->fifo_size || ep_recv->received >= ep_recv->length)
{
REG_USB_CSR0 = csr0 | USB_CSR0_SVDOUTPKTRDY | USB_CSR0_DATAEND; /* Set data end! */
usb_core_transfer_complete(0, USB_DIR_OUT, 0, ep_recv->received);
usb_core_transfer_complete(EP_CONTROL, USB_DIR_OUT, 0, ep_recv->received);
ep_transfer_completed(ep_recv);
}
else REG_USB_CSR0 = csr0 | USB_CSR0_SVDOUTPKTRDY; /* clear OUTPKTRDY bit */
@ -815,7 +817,8 @@ static void udc_reset(void)
{
if (endpoints[0].wait)
semaphore_release(&endpoints[0].complete);
else usb_core_transfer_complete(0, USB_DIR_IN, -1, 0);
else
usb_core_transfer_complete(EP_CONTROL, USB_DIR_IN, -1, 0);
}
endpoints[0].busy = false;
@ -825,7 +828,7 @@ static void udc_reset(void)
endpoints[0].allocated = true;
if (endpoints[1].busy)
usb_core_transfer_complete(0, USB_DIR_OUT, -1, 0);
usb_core_transfer_complete(EP_CONTROL, USB_DIR_OUT, -1, 0);
endpoints[1].busy = false;
endpoints[1].wait = false;