C++ (Cpp) DSI_HDR_WC Examples

Example #1

File: mipi_dsi_host.c Project: printusrzero/hwp6s-kernel

void mipi_dsi_max_return_packet_size(struct dsi_cmd_desc *cm)
{
    u32 hdr = 0;

    /* fill up header */
    hdr |= DSI_HDR_DTYPE(cm->dtype);
    hdr |= DSI_HDR_VC(cm->vc);
    hdr |= DSI_HDR_WC(cm->dlen);
    set_MIPIDSI_GEN_HDR(hdr);
}

Example #2

static int mdss_dsi_blank_pkt(struct dsi_buf *dp, struct dsi_cmd_desc *cm)
{
	u32 *hp;

	mdss_dsi_buf_reserve_hdr(dp, DSI_HOST_HDR_SIZE);
	hp = dp->hdr;
	*hp = 0;
	*hp = DSI_HDR_WC(cm->dlen);
	*hp |= DSI_HDR_LONG_PKT;
	*hp |= DSI_HDR_VC(cm->vc);
	*hp |= DSI_HDR_DTYPE(DTYPE_BLANK_PKT);
	if (cm->last)
		*hp |= DSI_HDR_LAST;

	mdss_dsi_buf_push(dp, DSI_HOST_HDR_SIZE);

	return dp->len;	/* 4 bytes */
}

Example #3

File: mdss_dsi_cmd.c Project: StarKissed/Note-4-AEL-Kernel

static int mdss_dsi_null_pkt(struct dsi_buf *dp, struct dsi_cmd_desc *cm)
{
	struct dsi_ctrl_hdr *dchdr;
	u32 *hp;

	dchdr = &cm->dchdr;
	mdss_dsi_buf_reserve_hdr(dp, DSI_HOST_HDR_SIZE);
	hp = dp->hdr;
	*hp = 0;
	*hp = DSI_HDR_WC(dchdr->dlen);
	*hp |= DSI_HDR_LONG_PKT;
	*hp |= DSI_HDR_VC(dchdr->vc);
	*hp |= DSI_HDR_DTYPE(DTYPE_NULL_PKT);
	if (dchdr->last)
		*hp |= DSI_HDR_LAST;

	mdss_dsi_buf_push(dp, DSI_HOST_HDR_SIZE);
	return DSI_HOST_HDR_SIZE; /* 4 bytes */
}

Example #4

File: mdss_dsi_cmd.c Project: StarKissed/Note-4-AEL-Kernel

/*
 * mipi dsi dcs long write
 */
static int mdss_dsi_dcs_lwrite(struct dsi_buf *dp, struct dsi_cmd_desc *cm)
{
	struct dsi_ctrl_hdr *dchdr;
	char *bp;
	u32 *hp;
	int i, len = 0;

	dchdr = &cm->dchdr;
	bp = mdss_dsi_buf_reserve_hdr(dp, DSI_HOST_HDR_SIZE);

	/*
	 * fill up payload
	 * dcs command byte (first byte) followed by payload
	 */
	if (cm->payload) {
		len = dchdr->dlen;
		len += 3;
		len &= ~0x03;	/* multipled by 4 */
		for (i = 0; i < dchdr->dlen; i++)
			*bp++ = cm->payload[i];

		/* append 0xff to the end */
		for (; i < len; i++)
			*bp++ = 0xff;

		dp->len += len;
	}

	/* fill up header */
	hp = dp->hdr;
	*hp = 0;
	*hp = DSI_HDR_WC(dchdr->dlen);
	*hp |= DSI_HDR_VC(dchdr->vc);
	*hp |= DSI_HDR_LONG_PKT;
	*hp |= DSI_HDR_DTYPE(DTYPE_DCS_LWRITE);
	if (dchdr->last)
		*hp |= DSI_HDR_LAST;

	mdss_dsi_buf_push(dp, DSI_HOST_HDR_SIZE);

	len += DSI_HOST_HDR_SIZE;
	return len;
}

Example #5

/*
 * mipi dsi generic long write
 */
static int dsi_generic_lwrite(struct dsi_buf *dp, struct dsi_cmd_desc *cm)
{
	char *bp;
	u32 *hp;
	int i, len;
	struct dsi_ctrl_hdr *dchdr = &cm->dchdr;

	bp = dsi_buf_reserve_hdr(dp, DSI_HOST_HDR_SIZE);

	/* fill up payload */
	if (cm->payload) {
		len = dchdr->dlen;
		len += 3;
		len &= ~0x03; /* multipled by 4 */
		for (i = 0; i < dchdr->dlen; i++)
			*bp++ = cm->payload[i];

		/* append 0xff to the end */
		for (; i < len; i++)
			*bp++ = 0xff;

		dp->len += len;
	}

	/* fill up header */
	hp = dp->hdr;
	*hp = 0;
	*hp = DSI_HDR_WC(dchdr->dlen);
	*hp |= DSI_HDR_VC(dchdr->vc);
	*hp |= DSI_HDR_LONG_PKT;
	*hp |= DSI_HDR_DTYPE(DTYPE_GEN_LWRITE);
	if (dchdr->last)
		*hp |= DSI_HDR_LAST;

	dsi_buf_push(dp, DSI_HOST_HDR_SIZE);

	return dp->len;
}

Example #6

File: mipi_dsi_host.c Project: printusrzero/hwp6s-kernel

/*
 * mipi dsi long write
 * Write to GEN_PLD_DATA 32 bit register the value:
 * Data3[31:24], Data2[23:16], Data1[15:8], MCS_command[7:0]
 * If need write again to GEN_PLD_DATA 32 bit register the value:
 * Data7[31:24], Data6[23:16], Data5[15:8], Data4[7:0]
 *
 * Write to GEN_HDR 24 bit register the value: WC[23:8] ,VC[7:6],29h
 */
int mipi_dsi_lwrite(struct dsi_cmd_desc *cm)
{
    u32 hdr = 0;
    int i = 0;

    if (cm->dlen && cm->payload == 0) {
        k3fb_loge("NO payload error!\n");
        return 0;
    }

    /* fill up payload */
    for (i = 0;  i < cm->dlen; i += 4) {
        set_MIPIDSI_GEN_PLD_DATA(*((u32 *)(cm->payload + i)));
    }

    /* fill up header */
    hdr |= DSI_HDR_DTYPE(cm->dtype);
    hdr |= DSI_HDR_VC(cm->vc);
    hdr |= DSI_HDR_WC(cm->dlen);
    set_MIPIDSI_GEN_HDR(hdr);

    return cm->dlen;
}