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Merge branch 'fifo_dcd_transdimension' of https://github.com/HiFiPhile/tinyusb

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hathach 2021-09-12 17:39:32 +07:00
commit 038ec341f8
1 changed files with 154 additions and 8 deletions
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162
src/portable/nxp/transdimension/dcd_transdimension.c
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@ -134,7 +134,8 @@ typedef struct
// QHD is 64 bytes aligned but occupies only 48 bytes
// Therefore there are 16 bytes padding that we can use.
//--------------------------------------------------------------------+
uint8_t reserved[16];
tu_fifo_t * ff;
uint8_t reserved[12];
} dcd_qhd_t;
TU_VERIFY_STATIC( sizeof(dcd_qhd_t) == 64, "size is not correct");
@ -240,8 +241,9 @@ void dcd_init(uint8_t rhport)
dcd_reg->USBMODE = USBMODE_CM_DEVICE;
dcd_reg->OTGSC = OTGSC_VBUS_DISCHARGE | OTGSC_OTG_TERMINATION;
// TODO Force fullspeed on non-highspeed port
// dcd_reg->PORTSC1 = PORTSC1_FORCE_FULL_SPEED;
#if !TUD_OPT_HIGH_SPEED
dcd_reg->PORTSC1 = PORTSC1_FORCE_FULL_SPEED;
#endif
CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t));
@ -312,6 +314,39 @@ static void qtd_init(dcd_qtd_t* p_qtd, void * data_ptr, uint16_t total_bytes)
}
}
static void qtd_init_fifo(dcd_qtd_t* p_qtd, tu_fifo_buffer_info_t *info, uint16_t total_bytes)
{
tu_memclr(p_qtd, sizeof(dcd_qtd_t));
p_qtd->next = QTD_NEXT_INVALID;
p_qtd->active = 1;
p_qtd->total_bytes = p_qtd->expected_bytes = total_bytes;
// Fifo length has been trimmed to total_bytes
int16_t len_lin = info->len_lin;
if (len_lin != 0)
{
p_qtd->buffer[0] = (uint32_t) info->ptr_lin;
len_lin -= 4096 - ((uint32_t) info->ptr_lin - tu_align4k((uint32_t) info->ptr_lin));
// Set linear part
uint8_t i = 1;
for(; i<5; i++)
{
if (len_lin <= 0) break;
p_qtd->buffer[i] |= tu_align4k( p_qtd->buffer[i-1] ) + 4096;
len_lin -= 4096;
}
// Set wrapped part
for(uint8_t page = 0; i<5; i++, page++)
{
p_qtd->buffer[i] |= (uint32_t) info->ptr_wrap + 4096 * page;
}
}
}
//--------------------------------------------------------------------+
// DCD Endpoint Port
//--------------------------------------------------------------------+
@ -340,9 +375,6 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
{
// TODO not support ISO yet
TU_VERIFY ( p_endpoint_desc->bmAttributes.xfer != TUSB_XFER_ISOCHRONOUS);
uint8_t const epnum = tu_edpt_number(p_endpoint_desc->bEndpointAddress);
uint8_t const dir = tu_edpt_dir(p_endpoint_desc->bEndpointAddress);
@ -355,13 +387,27 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
p_qhd->zero_length_termination = 1;
p_qhd->max_packet_size = p_endpoint_desc->wMaxPacketSize.size;
if (p_endpoint_desc->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS)
{
p_qhd->iso_mult = 1;
}
p_qhd->qtd_overlay.next = QTD_NEXT_INVALID;
CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t));
// Enable EP Control
dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
dcd_reg->ENDPTCTRL[epnum] |= ((p_endpoint_desc->bmAttributes.xfer << 2) | ENDPTCTRL_ENABLE | ENDPTCTRL_TOGGLE_RESET) << (dir ? 16 : 0);
uint32_t const epctrl = (p_endpoint_desc->bmAttributes.xfer << ENDPTCTRL_TYPE_POS) | ENDPTCTRL_ENABLE | ENDPTCTRL_TOGGLE_RESET;
if ( dir == TUSB_DIR_OUT )
{
dcd_reg->ENDPTCTRL[epnum] = (dcd_reg->ENDPTCTRL[epnum] & 0xFFFF0000u) | epctrl;
}else
{
dcd_reg->ENDPTCTRL[epnum] = (dcd_reg->ENDPTCTRL[epnum] & 0x0000FFFFu) | (epctrl << 16);
}
return true;
}
@ -381,6 +427,24 @@ void dcd_edpt_close_all (uint8_t rhport)
}
}
void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
{
uint8_t const epnum = tu_edpt_number(ep_addr);
uint8_t const dir = tu_edpt_dir(ep_addr);
dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
_dcd_data.qhd[epnum][dir].qtd_overlay.halted = 1;
// Flush EP
uint32_t const flush_mask = TU_BIT(epnum + (dir ? 16 : 0));
dcd_reg->ENDPTFLUSH = flush_mask;
while(dcd_reg->ENDPTFLUSH & flush_mask);
// Clear EP enable
dcd_reg->ENDPTCTRL[epnum] &=~(ENDPTCTRL_ENABLE << (dir ? 16 : 0));
}
bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
{
dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
@ -406,6 +470,7 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t t
qtd_init(p_qtd, buffer, total_bytes);
p_qtd->int_on_complete = true;
p_qhd->ff = NULL;
p_qhd->qtd_overlay.halted = false; // clear any previous error
p_qhd->qtd_overlay.next = (uint32_t) p_qtd; // activate by linking qtd to qhd
@ -417,12 +482,80 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t t
return true;
}
// fifo has to be aligned to 4k boundary
bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes)
{
dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
uint8_t const epnum = tu_edpt_number(ep_addr);
uint8_t const dir = tu_edpt_dir(ep_addr);
if ( epnum == 0 )
{
// follows UM 24.10.8.1.1 Setup packet handling using setup lockout mechanism
// wait until ENDPTSETUPSTAT before priming data/status in response TODO add time out
while(dcd_reg->ENDPTSETUPSTAT & TU_BIT(0)) {}
}
dcd_qhd_t * p_qhd = &_dcd_data.qhd[epnum][dir];
dcd_qtd_t * p_qtd = &_dcd_data.qtd[epnum][dir];
tu_fifo_buffer_info_t fifo_info;
if (dir)
{
tu_fifo_get_read_info(ff, &fifo_info);
} else
{
tu_fifo_get_write_info(ff, &fifo_info);
}
if (total_bytes <= fifo_info.len_lin)
{
// Limit transfer length to total_bytes
fifo_info.len_wrap = 0;
fifo_info.len_lin = total_bytes;
} else
{
// Class driver need to ensure at least total_bytes elements in fifo
fifo_info.len_wrap = total_bytes - fifo_info.len_lin;
}
// Force the CPU to flush the buffer. We increase the size by 32 because the call aligns the
// address to 32-byte boundaries.
// void* cast to suppress cast-align warning, buffer must be
CleanInvalidateDCache_by_Addr((uint32_t*) tu_align((uint32_t) fifo_info.ptr_lin, 4), fifo_info.len_lin + 31);
//------------- Prepare qtd -------------//
// In case of : wrapped part is present & buffer is aligned to 4k & buffer size is multiple of 4k
if (total_bytes > fifo_info.len_lin && !tu_offset4k((uint32_t)fifo_info.ptr_wrap) && !tu_offset4k(tu_fifo_depth(ff)))
{
CleanInvalidateDCache_by_Addr((uint32_t*) tu_align((uint32_t) fifo_info.ptr_wrap, 4), fifo_info.len_wrap + 31);
qtd_init_fifo(p_qtd, &fifo_info, total_bytes);
}
else
{
qtd_init(p_qtd, fifo_info.ptr_lin, total_bytes);
}
p_qtd->int_on_complete = true;
p_qhd->qtd_overlay.next = (uint32_t) p_qtd; // link qtd to qhd
p_qhd->ff = ff;
CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t));
// start transfer
dcd_reg->ENDPTPRIME = TU_BIT(epnum + (dir ? 16 : 0));
return true;
}
//--------------------------------------------------------------------+
// ISR
//--------------------------------------------------------------------+
static void process_edpt_complete_isr(uint8_t rhport, uint8_t epnum, uint8_t dir)
{
dcd_qhd_t * p_qhd = &_dcd_data.qhd[epnum][dir];
dcd_qtd_t * p_qtd = &_dcd_data.qtd[epnum][dir];
uint8_t result = p_qtd->halted ? XFER_RESULT_STALLED :
@ -435,8 +568,21 @@ static void process_edpt_complete_isr(uint8_t rhport, uint8_t epnum, uint8_t dir
dcd_reg->ENDPTFLUSH = TU_BIT(epnum + (dir ? 16 : 0));
}
uint16_t const xferred_bytes = p_qtd->expected_bytes - p_qtd->total_bytes;
if (p_qhd->ff)
{
if (dir == TUSB_DIR_IN)
{
tu_fifo_advance_read_pointer(p_qhd->ff, xferred_bytes);
} else
{
tu_fifo_advance_write_pointer(p_qhd->ff, xferred_bytes);
}
}
// only number of bytes in the IOC qtd
dcd_event_xfer_complete(rhport, tu_edpt_addr(epnum, dir), p_qtd->expected_bytes - p_qtd->total_bytes, result, true);
dcd_event_xfer_complete(rhport, tu_edpt_addr(epnum, dir), xferred_bytes, result, true);
}
void dcd_int_handler(uint8_t rhport)