soc/qcom/geni-se.h

1 /* SPDX-License-Identifier: GPL-2.0 */
3  * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
15  * @GENI_SE_FIFO: FIFO mode. Data is transferred with SE FIFO
56  * struct geni_se - GENI Serial Engine
220 /*  GENI_/TX/RX/RX_RFR/_WATERMARK_REG fields */
258  * For QUP HW Version >= 3.10 Tx fifo depth support is increased
269  * For QUP HW Version >= 3.10 Rx fifo depth support is increased
309  * geni_se_read_proto() - Read the protocol configured for a serial engine
318 	val = readl_relaxed(se->base + GENI_FW_REVISION_RO);  in geni_se_read_proto()
324  * geni_se_setup_m_cmd() - Setup the primary sequencer
337 	writel(m_cmd, se->base + SE_GENI_M_CMD0);  in geni_se_setup_m_cmd()
341  * geni_se_setup_s_cmd() - Setup the secondary sequencer
353 	s_cmd = readl_relaxed(se->base + SE_GENI_S_CMD0);  in geni_se_setup_s_cmd()
357 	writel(s_cmd, se->base + SE_GENI_S_CMD0);  in geni_se_setup_s_cmd()
361  * geni_se_cancel_m_cmd() - Cancel the command configured in the primary
370 	writel_relaxed(M_GENI_CMD_CANCEL, se->base + SE_GENI_M_CMD_CTRL_REG);  in geni_se_cancel_m_cmd()
374  * geni_se_cancel_s_cmd() - Cancel the command configured in the secondary
383 	writel_relaxed(S_GENI_CMD_CANCEL, se->base + SE_GENI_S_CMD_CTRL_REG);  in geni_se_cancel_s_cmd()
387  * geni_se_abort_m_cmd() - Abort the command configured in the primary sequencer
395 	writel_relaxed(M_GENI_CMD_ABORT, se->base + SE_GENI_M_CMD_CTRL_REG);  in geni_se_abort_m_cmd()
399  * geni_se_abort_s_cmd() - Abort the command configured in the secondary
408 	writel_relaxed(S_GENI_CMD_ABORT, se->base + SE_GENI_S_CMD_CTRL_REG);  in geni_se_abort_s_cmd()
412  * geni_se_get_tx_fifo_depth() - Get the TX fifo depth of the serial engine
416  * This function is used to get the depth i.e. number of elements in the
417  * TX fifo of the serial engine.
419  * Return: TX fifo depth in units of FIFO words.
434 	val = readl_relaxed(se->base + SE_HW_PARAM_0);  in geni_se_get_tx_fifo_depth()
440  * geni_se_get_tx_fifo_width() - Get the TX fifo width of the serial engine
444  * TX fifo of the serial engine.
446  * Return: TX fifo width in bits
452 	val = readl_relaxed(se->base + SE_HW_PARAM_0);  in geni_se_get_tx_fifo_width()
458  * geni_se_get_rx_fifo_depth() - Get the RX fifo depth of the serial engine
462  * This function is used to get the depth i.e. number of elements in the
463  * RX fifo of the serial engine.
465  * Return: RX fifo depth in units of FIFO words
480 	val = readl_relaxed(se->base + SE_HW_PARAM_1);  in geni_se_get_rx_fifo_depth()