mirror of
https://github.com/hathach/tinyusb.git
synced 2025-03-29 10:20:57 +00:00
EHCI more improvement
- more dcache clean/invalidate - extract init_periodic_list() - improve isr list handling
This commit is contained in:
parent
a0aea52a11
commit
49e2aabc81
@ -175,7 +175,7 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t *
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bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8]);
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// clear stall, data toggle is also reset to DATA0
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bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr);
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bool hcd_edpt_clear_stall(uint8_t daddr, uint8_t ep_addr);
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//--------------------------------------------------------------------+
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// USBH implemented API
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@ -294,6 +294,40 @@ void hcd_device_close(uint8_t rhport, uint8_t dev_addr)
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ehci_data.regs->command_bm.async_adv_doorbell = 1;
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}
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static void init_periodic_list(uint8_t rhport) {
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// Build the polling interval tree with 1 ms, 2 ms, 4 ms and 8 ms (framesize) only
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for ( uint32_t i = 0; i < TU_ARRAY_SIZE(ehci_data.period_head_arr); i++ ) {
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ehci_data.period_head_arr[i].int_smask = 1; // queue head in period list must have smask non-zero
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ehci_data.period_head_arr[i].qtd_overlay.halted = 1; // dummy node, always inactive
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}
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ehci_link_t * const framelist = ehci_data.period_framelist;
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ehci_link_t * const period_1ms = get_period_head(rhport, 1u);
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// all links --> period_head_arr[0] (1ms)
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// 0, 2, 4, 6 etc --> period_head_arr[1] (2ms)
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// 1, 5 --> period_head_arr[2] (4ms)
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// 3 --> period_head_arr[3] (8ms)
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// TODO EHCI_FRAMELIST_SIZE with other size than 8
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for (uint32_t i = 0; i < FRAMELIST_SIZE; i++) {
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framelist[i].address = (uint32_t) period_1ms;
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framelist[i].type = EHCI_QTYPE_QHD;
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}
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for (uint32_t i = 0; i < FRAMELIST_SIZE; i += 2) {
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list_insert(framelist + i, get_period_head(rhport, 2u), EHCI_QTYPE_QHD);
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}
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for (uint32_t i = 1; i < FRAMELIST_SIZE; i += 4) {
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list_insert(framelist + i, get_period_head(rhport, 4u), EHCI_QTYPE_QHD);
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}
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list_insert(framelist + 3, get_period_head(rhport, 8u), EHCI_QTYPE_QHD);
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period_1ms->terminate = 1;
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}
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bool ehci_init(uint8_t rhport, uint32_t capability_reg, uint32_t operatial_reg)
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{
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tu_memclr(&ehci_data, sizeof(ehci_data_t));
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@ -332,38 +366,8 @@ bool ehci_init(uint8_t rhport, uint32_t capability_reg, uint32_t operatial_reg)
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regs->async_list_addr = (uint32_t) async_head;
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//------------- Periodic List -------------//
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// Build the polling interval tree with 1 ms, 2 ms, 4 ms and 8 ms (framesize) only
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for ( uint32_t i = 0; i < TU_ARRAY_SIZE(ehci_data.period_head_arr); i++ )
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{
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ehci_data.period_head_arr[i].int_smask = 1; // queue head in period list must have smask non-zero
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ehci_data.period_head_arr[i].qtd_overlay.halted = 1; // dummy node, always inactive
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}
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ehci_link_t * const framelist = ehci_data.period_framelist;
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ehci_link_t * const period_1ms = get_period_head(rhport, 1u);
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// all links --> period_head_arr[0] (1ms)
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// 0, 2, 4, 6 etc --> period_head_arr[1] (2ms)
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// 1, 5 --> period_head_arr[2] (4ms)
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// 3 --> period_head_arr[3] (8ms)
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// TODO EHCI_FRAMELIST_SIZE with other size than 8
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for (uint32_t i = 0; i < FRAMELIST_SIZE; i++) {
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framelist[i].address = (uint32_t) period_1ms;
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framelist[i].type = EHCI_QTYPE_QHD;
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}
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for (uint32_t i = 0; i < FRAMELIST_SIZE; i += 2) {
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list_insert(framelist + i, get_period_head(rhport, 2u), EHCI_QTYPE_QHD);
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}
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for (uint32_t i = 1; i < FRAMELIST_SIZE; i += 4) {
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list_insert(framelist + i, get_period_head(rhport, 4u), EHCI_QTYPE_QHD);
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}
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list_insert(framelist + 3, get_period_head(rhport, 8u), EHCI_QTYPE_QHD);
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period_1ms->terminate = 1;
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regs->periodic_list_base = (uint32_t) framelist;
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init_periodic_list(rhport);
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regs->periodic_list_base = (uint32_t) ehci_data.period_framelist;
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hcd_dcache_clean(&ehci_data, sizeof(ehci_data_t));
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@ -491,8 +495,7 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t *
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ehci_qhd_t* qhd;
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ehci_qtd_t* qtd;
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if ( epnum == 0 )
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{
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if (epnum == 0) {
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qhd = qhd_control(dev_addr);
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qtd = qtd_control(dev_addr);
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@ -501,8 +504,7 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t *
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// first first data toggle is always 1 (data & setup stage)
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qtd->data_toggle = 1;
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qtd->pid = dir ? EHCI_PID_IN : EHCI_PID_OUT;
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}else
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{
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} else {
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qhd = qhd_get_from_addr(dev_addr, ep_addr);
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qtd = qtd_find_free();
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TU_ASSERT(qtd);
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@ -531,10 +533,11 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t *
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return true;
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}
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bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr)
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bool hcd_edpt_clear_stall(uint8_t daddr, uint8_t ep_addr)
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{
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ehci_qhd_t *p_qhd = qhd_get_from_addr(dev_addr, ep_addr);
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p_qhd->qtd_overlay.halted = 0;
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ehci_qhd_t *qhd = qhd_get_from_addr(daddr, ep_addr);
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qhd->qtd_overlay.halted = 0;
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hcd_dcache_clean_invalidate(qhd, sizeof(ehci_qhd_t));
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// TODO reset data toggle ?
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return true;
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}
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@ -546,22 +549,22 @@ bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr)
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// async_advance is handshake between usb stack & ehci controller.
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// This isr mean it is safe to modify previously removed queue head from async list.
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// In tinyusb, queue head is only removed when device is unplugged.
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static void async_advance_isr(uint8_t rhport)
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TU_ATTR_ALWAYS_INLINE static inline
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void async_advance_isr(uint8_t rhport)
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{
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(void) rhport;
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ehci_qhd_t* qhd_pool = ehci_data.qhd_pool;
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for(uint32_t i = 0; i < QHD_MAX; i++)
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{
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if ( qhd_pool[i].removing )
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{
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ehci_qhd_t *qhd_pool = ehci_data.qhd_pool;
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for (uint32_t i = 0; i < QHD_MAX; i++) {
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if (qhd_pool[i].removing) {
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qhd_pool[i].removing = 0;
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qhd_pool[i].used = 0;
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qhd_pool[i].used = 0;
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}
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}
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}
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static void port_connect_status_change_isr(uint8_t rhport)
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TU_ATTR_ALWAYS_INLINE static inline
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void port_connect_status_change_isr(uint8_t rhport)
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{
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// NOTE There is an sequence plug->unplug->…..-> plug if device is powering with pre-plugged device
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if (ehci_data.regs->portsc_bm.current_connect_status)
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@ -574,13 +577,13 @@ static void port_connect_status_change_isr(uint8_t rhport)
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}
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}
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static void qhd_xfer_complete_isr(ehci_qhd_t * p_qhd)
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TU_ATTR_ALWAYS_INLINE static inline
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void qhd_xfer_complete_isr(ehci_qhd_t * p_qhd)
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{
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// free all TDs from the head td to the first active TD
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while(p_qhd->p_qtd_list_head != NULL && !p_qhd->p_qtd_list_head->active)
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{
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ehci_qtd_t * volatile qtd = (ehci_qtd_t * volatile) p_qhd->p_qtd_list_head;
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hcd_dcache_invalidate(qtd, sizeof(ehci_qtd_t));
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bool const is_ioc = (qtd->int_on_complete != 0);
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@ -600,7 +603,8 @@ static void qhd_xfer_complete_isr(ehci_qhd_t * p_qhd)
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}
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}
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static void async_list_xfer_complete_isr(ehci_qhd_t * const async_head)
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TU_ATTR_ALWAYS_INLINE static inline
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void async_list_xfer_complete_isr(ehci_qhd_t * const async_head)
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{
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ehci_qhd_t *p_qhd = async_head;
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do
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@ -611,46 +615,55 @@ static void async_list_xfer_complete_isr(ehci_qhd_t * const async_head)
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if ( !p_qhd->qtd_overlay.halted ) {
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qhd_xfer_complete_isr(p_qhd);
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}
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p_qhd = qhd_next(p_qhd);
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}while(p_qhd != async_head); // async list traversal, stop if loop around
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}
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static void period_list_xfer_complete_isr(uint8_t hostid, uint32_t interval_ms)
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TU_ATTR_ALWAYS_INLINE static inline
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void period_list_xfer_complete_isr(uint8_t rhport, uint32_t interval_ms)
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{
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uint16_t max_loop = 0;
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uint32_t const period_1ms_addr = (uint32_t) get_period_head(hostid, 1u);
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ehci_link_t next_item = * get_period_head(hostid, interval_ms);
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uint32_t const period_1ms_addr = (uint32_t) get_period_head(rhport, 1u);
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ehci_link_t next_link = * get_period_head(rhport, interval_ms);
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// TODO abstract max loop guard for period
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while( !next_item.terminate &&
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!(interval_ms > 1 && period_1ms_addr == tu_align32(next_item.address)) &&
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max_loop < (QHD_MAX + EHCI_MAX_ITD + EHCI_MAX_SITD)*CFG_TUH_DEVICE_MAX)
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{
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switch ( next_item.type )
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{
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case EHCI_QTYPE_QHD:
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{
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ehci_qhd_t *p_qhd_int = (ehci_qhd_t *) tu_align32(next_item.address);
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if ( !p_qhd_int->qtd_overlay.halted )
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{
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qhd_xfer_complete_isr(p_qhd_int);
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}
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}
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while (!next_link.terminate) {
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if (interval_ms > 1 && period_1ms_addr == tu_align32(next_link.address)) {
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// 1ms period list is end of list for all larger interval
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break;
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case EHCI_QTYPE_ITD: // TODO support hs/fs ISO
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case EHCI_QTYPE_SITD:
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case EHCI_QTYPE_FSTN:
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default: break;
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}
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next_item = *list_next(&next_item);
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max_loop++;
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uintptr_t const entry_addr = tu_align32(next_link.address);
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switch (next_link.type) {
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case EHCI_QTYPE_QHD: {
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ehci_qhd_t *qhd = (ehci_qhd_t *) entry_addr;
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hcd_dcache_invalidate(qhd, sizeof(ehci_qhd_t));
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if (!qhd->qtd_overlay.halted) {
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qhd_xfer_complete_isr(qhd);
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}
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}
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break;
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case EHCI_QTYPE_ITD:
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// TODO support hs ISO
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break;
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case EHCI_QTYPE_SITD:
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// TODO support split ISO
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break;
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case EHCI_QTYPE_FSTN:
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default:
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break;
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}
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next_link = *list_next(&next_link);
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}
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}
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static void qhd_xfer_error_isr(ehci_qhd_t * p_qhd)
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TU_ATTR_ALWAYS_INLINE static inline
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void qhd_xfer_error_isr(ehci_qhd_t * p_qhd)
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{
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volatile ehci_qtd_t *qtd_overlay = &p_qhd->qtd_overlay;
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@ -666,22 +679,22 @@ static void qhd_xfer_error_isr(ehci_qhd_t * p_qhd)
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xfer_result = XFER_RESULT_STALLED;
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}
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p_qhd->total_xferred_bytes += p_qhd->p_qtd_list_head->expected_bytes - p_qhd->p_qtd_list_head->total_bytes;
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// if (XFER_RESULT_FAILED == xfer_result ) {
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// TU_LOG1(" QHD xfer err count: %d\n", qtd_overlay->err_count);
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// TU_BREAKPOINT(); // TODO skip unplugged device
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// while(1){}
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// }
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// No TD yet, it is probably the probably an signal noise ?
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TU_ASSERT(p_qhd->p_qtd_list_head, );
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ehci_qtd_t * volatile qtd = (ehci_qtd_t * volatile) p_qhd->p_qtd_list_head;
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TU_ASSERT(qtd, ); // No TD yet, probably a race condition or cache issue !?
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p_qhd->p_qtd_list_head->used = 0; // free QTD
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hcd_dcache_invalidate(qtd, sizeof(ehci_qtd_t));
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p_qhd->total_xferred_bytes += qtd->expected_bytes - qtd->total_bytes;
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qtd->used = 0; // free QTD
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qtd_remove_1st_from_qhd(p_qhd);
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if ( 0 == p_qhd->ep_number )
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{
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if ( 0 == p_qhd->ep_number ) {
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// control cannot be halted --> clear all qtd list
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p_qhd->p_qtd_list_head = NULL;
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p_qhd->p_qtd_list_tail = NULL;
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@ -702,13 +715,15 @@ static void qhd_xfer_error_isr(ehci_qhd_t * p_qhd)
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}
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}
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static void xfer_error_isr(uint8_t hostid)
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TU_ATTR_ALWAYS_INLINE static inline
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void xfer_error_isr(uint8_t hostid)
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{
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//------------- async list -------------//
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ehci_qhd_t * const async_head = qhd_async_head(hostid);
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ehci_qhd_t *p_qhd = async_head;
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do
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{
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hcd_dcache_invalidate(p_qhd, sizeof(ehci_qhd_t));
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qhd_xfer_error_isr( p_qhd );
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p_qhd = qhd_next(p_qhd);
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}while(p_qhd != async_head); // async list traversal, stop if loop around
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@ -728,6 +743,8 @@ static void xfer_error_isr(uint8_t hostid)
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case EHCI_QTYPE_QHD:
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{
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ehci_qhd_t *p_qhd_int = (ehci_qhd_t *) tu_align32(next_item.address);
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hcd_dcache_invalidate(p_qhd_int, sizeof(ehci_qhd_t));
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qhd_xfer_error_isr(p_qhd_int);
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}
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break;
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@ -757,20 +774,17 @@ void hcd_int_handler(uint8_t rhport)
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return;
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}
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if (int_status & EHCI_INT_MASK_FRAMELIST_ROLLOVER)
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{
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if (int_status & EHCI_INT_MASK_FRAMELIST_ROLLOVER) {
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ehci_data.uframe_number += (FRAMELIST_SIZE << 3);
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regs->status = EHCI_INT_MASK_FRAMELIST_ROLLOVER; // Acknowledge
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}
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if (int_status & EHCI_INT_MASK_PORT_CHANGE)
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{
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if (int_status & EHCI_INT_MASK_PORT_CHANGE) {
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// Including: Force port resume, over-current change, enable/disable change and connect status change.
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uint32_t const port_status = regs->portsc & EHCI_PORTSC_MASK_W1C;
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print_portsc(regs);
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if (regs->portsc_bm.connect_status_change)
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{
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if (regs->portsc_bm.connect_status_change) {
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port_connect_status_change_isr(rhport);
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}
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@ -778,15 +792,13 @@ void hcd_int_handler(uint8_t rhport)
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regs->status = EHCI_INT_MASK_PORT_CHANGE; // Acknowledge
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}
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if (int_status & EHCI_INT_MASK_ERROR)
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{
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if (int_status & EHCI_INT_MASK_ERROR) {
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xfer_error_isr(rhport);
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regs->status = EHCI_INT_MASK_ERROR; // Acknowledge
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}
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//------------- some QTD/SITD/ITD with IOC set is completed -------------//
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if (int_status & EHCI_INT_MASK_NXP_ASYNC)
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{
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if (int_status & EHCI_INT_MASK_NXP_ASYNC) {
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async_list_xfer_complete_isr(qhd_async_head(rhport));
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regs->status = EHCI_INT_MASK_NXP_ASYNC; // Acknowledge
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}
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