C++ (Cpp) dwc3_send_gadget_ep_cmd Exemples

Exemple #1

Fichier : ep0.c Projet : oscardagrach/linux

static int dwc3_ep0_start_trans(struct dwc3_ep *dep)
{
	struct dwc3_gadget_ep_cmd_params params;
	struct dwc3			*dwc;
	int				ret;

	if (dep->flags & DWC3_EP_BUSY)
		return 0;

	dwc = dep->dwc;

	memset(&params, 0, sizeof(params));
	params.param0 = upper_32_bits(dwc->ep0_trb_addr);
	params.param1 = lower_32_bits(dwc->ep0_trb_addr);

	ret = dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_STARTTRANSFER, &params);
	if (ret < 0)
		return ret;

	dep->flags |= DWC3_EP_BUSY;
	dep->resource_index = dwc3_gadget_ep_get_transfer_index(dep);
	dwc->ep0_next_event = DWC3_EP0_COMPLETE;

	return 0;
}

Exemple #2

Fichier : ep0.c Projet : 020gzh/linux

static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
		u32 len, u32 type, bool chain)
{
	struct dwc3_gadget_ep_cmd_params params;
	struct dwc3_trb			*trb;
	struct dwc3_ep			*dep;

	int				ret;

	dep = dwc->eps[epnum];
	if (dep->flags & DWC3_EP_BUSY) {
		dwc3_trace(trace_dwc3_ep0, "%s still busy", dep->name);
		return 0;
	}

	trb = &dwc->ep0_trb[dep->free_slot];

	if (chain)
		dep->free_slot++;

	trb->bpl = lower_32_bits(buf_dma);
	trb->bph = upper_32_bits(buf_dma);
	trb->size = len;
	trb->ctrl = type;

	trb->ctrl |= (DWC3_TRB_CTRL_HWO
			| DWC3_TRB_CTRL_ISP_IMI);

	if (chain)
		trb->ctrl |= DWC3_TRB_CTRL_CHN;
	else
		trb->ctrl |= (DWC3_TRB_CTRL_IOC
				| DWC3_TRB_CTRL_LST);

	if (chain)
		return 0;

	memset(&params, 0, sizeof(params));
	params.param0 = upper_32_bits(dwc->ep0_trb_addr);
	params.param1 = lower_32_bits(dwc->ep0_trb_addr);

	trace_dwc3_prepare_trb(dep, trb);

	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
			DWC3_DEPCMD_STARTTRANSFER, &params);
	if (ret < 0) {
		dwc3_trace(trace_dwc3_ep0, "%s STARTTRANSFER failed",
				dep->name);
		return ret;
	}

	dep->flags |= DWC3_EP_BUSY;
	dep->resource_index = dwc3_gadget_ep_get_transfer_index(dwc,
			dep->number);

	dwc->ep0_next_event = DWC3_EP0_COMPLETE;

	return 0;
}

Exemple #3

Fichier : ep0.c Projet : kishoreinme/uboot

static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
		u32 len, u32 type)
{
	struct dwc3_gadget_ep_cmd_params params;
	struct dwc3_trb_hw		*trb_hw;
	struct dwc3_trb			trb;
	struct dwc3_ep			*dep;

	int				ret;

	dep = dwc->eps[epnum];
	if (dep->flags & DWC3_EP_BUSY) {
		dev_vdbg(dwc->dev, "%s: still busy\n", dep->name);
		return 0;
	}

	trb_hw = dwc->ep0_trb;
	memset(&trb, 0, sizeof(trb));

	trb.trbctl = type;
	trb.bplh = buf_dma;
	trb.length = len;

	trb.hwo	= 1;
	trb.lst	= 1;
	trb.ioc	= 1;
	trb.isp_imi = 1;
	
	//Before writing to the registers 
	dwc3_trb_to_hw(&trb, trb_hw);
	
	trb_address = (u32*)dwc->ep0_trb_addr;
	memset(&params, 0, sizeof(params));
	params.param0 = upper_32_bits(dwc->ep0_trb_addr);
	params.param1 = lower_32_bits(dwc->ep0_trb_addr);

	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
			DWC3_DEPCMD_STARTTRANSFER, &params);
	if (ret < 0) {
		dev_dbg(dwc->dev, "failed to send STARTTRANSFER command\n");
		return ret;
	}

	dep->flags |= DWC3_EP_BUSY;
	dep->resource_index = dwc3_gadget_ep_get_transfer_index(dwc,
			dep->number);

	dwc->ep0_next_event = DWC3_EP0_COMPLETE;

	return 0;
}

Exemple #4

Fichier : ep0.c Projet : kishoreinme/uboot

static void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
{
	struct dwc3_gadget_ep_cmd_params params;
	u32			cmd;
	int			ret;

	if (!dep->resource_index)
		return;
	cmd = DWC3_DEPCMD_ENDTRANSFER;
	cmd |= DWC3_DEPCMD_CMDIOC;
	cmd |= DWC3_DEPCMD_PARAM(dep->resource_index);
	memset(&params, 0, sizeof(params));
	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, &params);
	WARN_ON_ONCE(ret);
	dep->resource_index = 0;
}

Exemple #5

Fichier : ep0.c Projet : LingDianWj/android_kernel_nubia_nx505j

static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
		u32 len, u32 type)
{
	struct dwc3_gadget_ep_cmd_params params;
	struct dwc3_trb			*trb;
	struct dwc3_ep			*dep;

	int				ret;

	dep = dwc->eps[epnum];
	if (dep->flags & DWC3_EP_BUSY) {
		dev_vdbg(dwc->dev, "%s: still busy\n", dep->name);
		return 0;
	}

	trb = dwc->ep0_trb;

	trb->bpl = lower_32_bits(buf_dma);
	trb->bph = upper_32_bits(buf_dma);
	trb->size = len;
	trb->ctrl = type;

	trb->ctrl |= (DWC3_TRB_CTRL_HWO
			| DWC3_TRB_CTRL_LST
			| DWC3_TRB_CTRL_IOC
			| DWC3_TRB_CTRL_ISP_IMI);

	memset(&params, 0, sizeof(params));
	params.param0 = upper_32_bits(dwc->ep0_trb_addr);
	params.param1 = lower_32_bits(dwc->ep0_trb_addr);

	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
			DWC3_DEPCMD_STARTTRANSFER, &params);
	if (ret < 0) {
		dbg_event(dep->number, "STTRAFL", ret);
		dev_dbg(dwc->dev, "failed to send STARTTRANSFER command\n");
		return ret;
	}

	dep->flags |= DWC3_EP_BUSY;
	dep->resource_index = dwc3_gadget_ep_get_transfer_index(dwc,
			dep->number);

	dwc->ep0_next_event = DWC3_EP0_COMPLETE;

	return 0;
}

Exemple #6

Fichier : ep0.c Projet : auras76/aur-kernel-XZxx

static void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
{
	struct dwc3_gadget_ep_cmd_params params;
	u32			cmd;
	int			ret;

	if (!dep->resource_index)
		return;

	cmd = DWC3_DEPCMD_ENDTRANSFER;
	cmd |= DWC3_DEPCMD_CMDIOC;
	cmd |= DWC3_DEPCMD_PARAM(dep->resource_index);
	memset(&params, 0, sizeof(params));
	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, &params);
	if (ret) {
		dev_dbg(dwc->dev, "%s: send ep cmd ENDTRANSFER failed",
			dep->name);
		dbg_event(dep->number, "EENDXFER", ret);
	}
	dep->resource_index = 0;
}

Exemple #7

static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
		u32 len)
{
	struct dwc3_gadget_ep_cmd_params params;
	struct dwc3_trb_hw		*trb_hw;
	struct dwc3_trb			trb;
	struct dwc3_ep			*dep;

	int				ret;

	dep = dwc->eps[epnum];

	trb_hw = dwc->ep0_trb;
	memset(&trb, 0, sizeof(trb));

	switch (dwc->ep0state) {
	case EP0_IDLE:
		trb.trbctl = DWC3_TRBCTL_CONTROL_SETUP;
		break;

	case EP0_IN_WAIT_NRDY:
	case EP0_OUT_WAIT_NRDY:
	case EP0_IN_STATUS_PHASE:
	case EP0_OUT_STATUS_PHASE:
		if (dwc->three_stage_setup)
			trb.trbctl = DWC3_TRBCTL_CONTROL_STATUS3;
		else
			trb.trbctl = DWC3_TRBCTL_CONTROL_STATUS2;

		if (dwc->ep0state == EP0_IN_WAIT_NRDY)
			dwc->ep0state = EP0_IN_STATUS_PHASE;
		else if (dwc->ep0state == EP0_OUT_WAIT_NRDY)
			dwc->ep0state = EP0_OUT_STATUS_PHASE;
		break;

	case EP0_IN_WAIT_GADGET:
		dwc->ep0state = EP0_IN_WAIT_NRDY;
		return 0;
		break;

	case EP0_OUT_WAIT_GADGET:
		dwc->ep0state = EP0_OUT_WAIT_NRDY;
		return 0;

		break;

	case EP0_IN_DATA_PHASE:
	case EP0_OUT_DATA_PHASE:
		trb.trbctl = DWC3_TRBCTL_CONTROL_DATA;
		break;

	default:
		dev_err(dwc->dev, "%s() can't in state %d\n", __func__,
				dwc->ep0state);
		return -EINVAL;
	}

	trb.bplh = buf_dma;
	trb.length = len;

	trb.hwo	= 1;
	trb.lst	= 1;
	trb.ioc	= 1;
	trb.isp_imi = 1;

	dwc3_trb_to_hw(&trb, trb_hw);

	memset(&params, 0, sizeof(params));
	params.param0.depstrtxfer.transfer_desc_addr_high =
		upper_32_bits(dwc->ep0_trb_addr);
	params.param1.depstrtxfer.transfer_desc_addr_low =
		lower_32_bits(dwc->ep0_trb_addr);

	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
			DWC3_DEPCMD_STARTTRANSFER, &params);
	if (ret < 0) {
		dev_dbg(dwc->dev, "failed to send STARTTRANSFER command\n");
		return ret;
	}

	dep->res_trans_idx = dwc3_gadget_ep_get_transfer_index(dwc,
			dep->number);

	return 0;
}