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change signature for hwep_buf_ctrl_* to take pointer to buf control instead of hwep

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hathach
2026-01-08 00:54:21 +07:00
parent 475e97cc8b
commit f0a3d44834
4 changed files with 42 additions and 72 deletions
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16
src/portable/raspberrypi/rp2040/dcd_rp2040.c
View File

@ -87,13 +87,6 @@ static void hw_endpoint_init(hw_endpoint_t *ep, uint8_t ep_addr, uint16_t wMaxPa
// Buffer offset is fixed (also double buffered)
ep->hw_data_buf = (uint8_t*) &usb_dpram->ep0_buf_a[0];
} else {
// Set the endpoint control register (starts at EP1, hence num-1)
// if (dir == TUSB_DIR_IN) {
// ep->endpoint_control = &usb_dpram->ep_ctrl[num - 1].in;
// } else {
// ep->endpoint_control = &usb_dpram->ep_ctrl[num - 1].out;
// }
// round up size to multiple of 64
uint16_t size = (uint16_t)tu_round_up(wMaxPacketSize, 64);
@ -146,7 +139,8 @@ static void hw_endpoint_abort_xfer(struct hw_endpoint* ep) {
buf_ctrl |= USB_BUF_CTRL_DATA1_PID;
}
hwep_buf_ctrl_set(ep, buf_ctrl);
io_rw_32 *buf_ctrl_reg = hwep_buf_ctrl_reg_device(ep);
hwep_buf_ctrl_set(buf_ctrl_reg, buf_ctrl);
hw_endpoint_reset_transfer(ep);
if (rp2040_chip_version() >= 2) {
@ -528,7 +522,8 @@ void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr) {
}
// stall and clear current pending buffer, may need to use EP_ABORT
hwep_buf_ctrl_set(ep, USB_BUF_CTRL_STALL);
io_rw_32 *buf_ctrl_reg = hwep_buf_ctrl_reg_device(ep);
hwep_buf_ctrl_set(buf_ctrl_reg, USB_BUF_CTRL_STALL);
}
void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr) {
@ -539,7 +534,8 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr) {
// clear stall also reset toggle to DATA0, ready for next transfer
ep->next_pid = 0;
hwep_buf_ctrl_clear_mask(ep, USB_BUF_CTRL_STALL);
io_rw_32 *buf_ctrl_reg = hwep_buf_ctrl_reg_device(ep);
hwep_buf_ctrl_clear_mask(buf_ctrl_reg, USB_BUF_CTRL_STALL);
}
}

6
src/portable/raspberrypi/rp2040/hcd_rp2040.c
View File

@ -284,8 +284,6 @@ static struct hw_endpoint *_hw_endpoint_allocate(uint8_t transfer_type)
ep = _next_free_interrupt_ep();
pico_info("Allocate %s ep %d\n", tu_edpt_type_str(transfer_type), ep->interrupt_num);
assert(ep);
// ep->buffer_control = &usbh_dpram->int_ep_buffer_ctrl[ep->interrupt_num].ctrl;
// ep->endpoint_control = &usbh_dpram->int_ep_ctrl[ep->interrupt_num].ctrl;
// 0 for epx (double buffered): TODO increase to 1024 for ISO
// 2x64 for intep0
// 3x64 for intep1
@ -295,8 +293,6 @@ static struct hw_endpoint *_hw_endpoint_allocate(uint8_t transfer_type)
else
{
ep = &epx;
// ep->buffer_control = &usbh_dpram->epx_buf_ctrl;
// ep->endpoint_control = &usbh_dpram->epx_ctrl;
ep->hw_data_buf = &usbh_dpram->epx_data[0];
}
@ -306,8 +302,6 @@ static struct hw_endpoint *_hw_endpoint_allocate(uint8_t transfer_type)
static void _hw_endpoint_init(struct hw_endpoint *ep, uint8_t dev_addr, uint8_t ep_addr, uint16_t wMaxPacketSize, uint8_t transfer_type, uint8_t bmInterval)
{
// Already has data buffer, endpoint control, and buffer control allocated at this point
// assert(ep->endpoint_control);
// assert(ep->buffer_control);
assert(ep->hw_data_buf);
uint8_t const num = tu_edpt_number(ep_addr);

42
src/portable/raspberrypi/rp2040/rp2040_usb.c
View File

@ -88,32 +88,25 @@ void __tusb_irq_path_func(hw_endpoint_reset_transfer)(struct hw_endpoint* ep) {
ep->user_buf = 0;
}
void __tusb_irq_path_func(hwep_buf_ctrl_update)(struct hw_endpoint *ep, uint32_t and_mask, uint32_t or_mask) {
void __tusb_irq_path_func(hwep_buf_ctrl_update)(io_rw_32 *buf_ctrl_reg, uint32_t and_mask, uint32_t or_mask) {
const bool is_host = rp2usb_is_host_mode();
uint32_t value = 0;
io_rw_32 *buf_ctrl;
#if CFG_TUH_ENABLED
if (is_host) {
buf_ctrl = hwep_buf_ctrl_reg_host(ep);
} else
#endif
{
buf_ctrl = hwep_buf_ctrl_reg_device(ep);
}
uint32_t value = 0;
uint32_t buf_ctrl = *buf_ctrl_reg;
if (and_mask) {
value = *buf_ctrl & and_mask;
value = buf_ctrl & and_mask;
}
if (or_mask) {
value |= or_mask;
if (or_mask & USB_BUF_CTRL_AVAIL) {
if (*buf_ctrl & USB_BUF_CTRL_AVAIL) {
panic("ep %02X was already available", ep->ep_addr);
if (buf_ctrl & USB_BUF_CTRL_AVAIL) {
panic("buf_ctrl @%lX already available", (uintptr_t)buf_ctrl_reg);
}
*buf_ctrl = value & ~USB_BUF_CTRL_AVAIL;
// 4.1.2.5.1 Con-current access: 12 cycles (should be good for 48*12Mhz = 576Mhz) after write to buffer control
*buf_ctrl_reg = value & ~USB_BUF_CTRL_AVAIL;
// Section 4.1.2.7.1 (rp2040) / 12.7.3.7.1 (rp2350) Concurrent access: after write to buffer control, we need to
// wait at least 1/48 mhz (usb clock), 12 cycles should be good for 48*12Mhz = 576Mhz.
// Don't need delay in host mode as host is in charge
if (!is_host) {
busy_wait_at_least_cycles(12);
@ -121,7 +114,7 @@ void __tusb_irq_path_func(hwep_buf_ctrl_update)(struct hw_endpoint *ep, uint32_t
}
}
*buf_ctrl = value;
*buf_ctrl_reg = value;
}
// prepare buffer, move data if tx, return buffer control
@ -161,21 +154,21 @@ static uint32_t __tusb_irq_path_func(prepare_ep_buffer)(struct hw_endpoint *ep,
// Prepare buffer control register value
void __tusb_irq_path_func(hw_endpoint_start_next_buffer)(struct hw_endpoint* ep) {
const tusb_dir_t dir = tu_edpt_dir(ep->ep_addr);
bool is_rx;
bool is_rx;
io_rw_32 *ep_ctrl_reg;
// io_rw_32 *buf_ctrl_reg;
io_rw_32 *buf_ctrl_reg;
#if CFG_TUH_ENABLED
const bool is_host = rp2usb_is_host_mode();
if (is_host) {
// buf_ctrl_reg = hwep_buf_ctrl_reg_host(ep);
buf_ctrl_reg = hwep_buf_ctrl_reg_host(ep);
ep_ctrl_reg = hwep_ctrl_reg_host(ep);
is_rx = (dir == TUSB_DIR_IN);
} else
#endif
{
// buf_ctrl_reg = hwep_buf_ctrl_reg_device(ep);
buf_ctrl_reg = hwep_buf_ctrl_reg_device(ep);
ep_ctrl_reg = hwep_ctrl_reg_device(ep);
is_rx = (dir == TUSB_DIR_OUT);
}
@ -216,7 +209,7 @@ void __tusb_irq_path_func(hw_endpoint_start_next_buffer)(struct hw_endpoint* ep)
// Finally, write to buffer_control which will trigger the transfer
// the next time the controller polls this dpram address
hwep_buf_ctrl_set(ep, buf_ctrl);
hwep_buf_ctrl_set(buf_ctrl_reg, buf_ctrl);
}
void hw_endpoint_xfer_start(struct hw_endpoint* ep, uint8_t* buffer, uint16_t total_len) {
@ -334,7 +327,8 @@ static void __tusb_irq_path_func(hwep_xfer_sync)(hw_endpoint_t *ep) {
ep_ctrl &= ~(EP_CTRL_DOUBLE_BUFFERED_BITS | EP_CTRL_INTERRUPT_PER_DOUBLE_BUFFER);
ep_ctrl |= EP_CTRL_INTERRUPT_PER_BUFFER;
hwep_buf_ctrl_set(ep, 0);
io_rw_32 *buf_ctrl_reg = is_host ? hwep_buf_ctrl_reg_host(ep) : hwep_buf_ctrl_reg_device(ep);
hwep_buf_ctrl_set(buf_ctrl_reg, 0);
usb_hw->abort &= ~TU_BIT(ep_id);

50
src/portable/raspberrypi/rp2040/rp2040_usb.h
View File

@ -45,41 +45,27 @@
// Hardware information per endpoint
typedef struct hw_endpoint
{
// Is this a valid struct
bool configured;
uint8_t ep_addr;
uint8_t next_pid;
// Interrupt, bulk, etc
uint8_t transfer_type;
// Endpoint control register
// io_rw_32 *endpoint_control;
bool active; // Endpoint is in use
uint8_t pending; // Transfer scheduled but not active
// Buffer control register
// io_rw_32 *buffer_control;
uint16_t wMaxPacketSize;
// Buffer pointer in usb dpram
uint8_t *hw_data_buf;
// User buffer in main memory
uint8_t *user_buf;
uint8_t *hw_data_buf; // Buffer pointer in usb dpram
uint8_t *user_buf; // User buffer in main memory
// Current transfer information
uint16_t remaining_len;
uint16_t xferred_len;
// Data needed from EP descriptor
uint16_t wMaxPacketSize;
// Endpoint is in use
bool active;
// Interrupt, bulk, etc
uint8_t transfer_type;
// Transfer scheduled but not active
uint8_t pending;
#if CFG_TUH_ENABLED
// Is this a valid struct
bool configured;
// Only needed for host
uint8_t dev_addr;
@ -131,7 +117,7 @@ TU_ATTR_ALWAYS_INLINE static inline io_rw_32 *hwep_buf_ctrl_reg_device(struct hw
#if CFG_TUH_ENABLED
TU_ATTR_ALWAYS_INLINE static inline io_rw_32 *hwep_ctrl_reg_host(struct hw_endpoint *ep) {
if (ep->transfer_type == TUSB_XFER_CONTROL) {
if (tu_edpt_number(ep->ep_addr) == 0) {
return &usbh_dpram->epx_ctrl;
}
return &usbh_dpram->int_ep_ctrl[ep->interrupt_num].ctrl;
@ -149,18 +135,18 @@ TU_ATTR_ALWAYS_INLINE static inline io_rw_32 *hwep_buf_ctrl_reg_host(struct hw_e
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
void hwep_buf_ctrl_update(struct hw_endpoint *ep, uint32_t and_mask, uint32_t or_mask);
void hwep_buf_ctrl_update(io_rw_32 *buf_ctrl_reg, uint32_t and_mask, uint32_t or_mask);
TU_ATTR_ALWAYS_INLINE static inline void hwep_buf_ctrl_set(struct hw_endpoint *ep, uint32_t value) {
hwep_buf_ctrl_update(ep, 0, value);
TU_ATTR_ALWAYS_INLINE static inline void hwep_buf_ctrl_set(io_rw_32 *buf_ctrl_reg, uint32_t value) {
hwep_buf_ctrl_update(buf_ctrl_reg, 0, value);
}
TU_ATTR_ALWAYS_INLINE static inline void hwep_buf_ctrl_set_mask32(struct hw_endpoint *ep, uint32_t value) {
hwep_buf_ctrl_update(ep, ~value, value);
TU_ATTR_ALWAYS_INLINE static inline void hwep_buf_ctrl_set_mask(io_rw_32 *buf_ctrl_reg, uint32_t value) {
hwep_buf_ctrl_update(buf_ctrl_reg, ~value, value);
}
TU_ATTR_ALWAYS_INLINE static inline void hwep_buf_ctrl_clear_mask(struct hw_endpoint *ep, uint32_t value) {
hwep_buf_ctrl_update(ep, ~value, 0);
TU_ATTR_ALWAYS_INLINE static inline void hwep_buf_ctrl_clear_mask(io_rw_32 *buf_ctrl_reg, uint32_t value) {
hwep_buf_ctrl_update(buf_ctrl_reg, ~value, 0);
}
static inline uintptr_t hw_data_offset(uint8_t *buf) {