include/linux/qcom-geni-se.h

1 /* SPDX-License-Identifier: GPL-2.0 */
3  * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
42  * struct geni_se - GENI Serial Engine
197 /*  GENI_/TX/RX/RX_RFR/_WATERMARK_REG fields */
274  * geni_se_read_proto() - Read the protocol configured for a serial engine
283 	val = readl_relaxed(se->base + GENI_FW_REVISION_RO);  in geni_se_read_proto()
289  * geni_se_setup_m_cmd() - Setup the primary sequencer
302 	writel(m_cmd, se->base + SE_GENI_M_CMD0);  in geni_se_setup_m_cmd()
306  * geni_se_setup_s_cmd() - Setup the secondary sequencer
318 	s_cmd = readl_relaxed(se->base + SE_GENI_S_CMD0);  in geni_se_setup_s_cmd()
322 	writel(s_cmd, se->base + SE_GENI_S_CMD0);  in geni_se_setup_s_cmd()
326  * geni_se_cancel_m_cmd() - Cancel the command configured in the primary
335 	writel_relaxed(M_GENI_CMD_CANCEL, se->base + SE_GENI_M_CMD_CTRL_REG);  in geni_se_cancel_m_cmd()
339  * geni_se_cancel_s_cmd() - Cancel the command configured in the secondary
348 	writel_relaxed(S_GENI_CMD_CANCEL, se->base + SE_GENI_S_CMD_CTRL_REG);  in geni_se_cancel_s_cmd()
352  * geni_se_abort_m_cmd() - Abort the command configured in the primary sequencer
360 	writel_relaxed(M_GENI_CMD_ABORT, se->base + SE_GENI_M_CMD_CTRL_REG);  in geni_se_abort_m_cmd()
364  * geni_se_abort_s_cmd() - Abort the command configured in the secondary
373 	writel_relaxed(S_GENI_CMD_ABORT, se->base + SE_GENI_S_CMD_CTRL_REG);  in geni_se_abort_s_cmd()
377  * geni_se_get_tx_fifo_depth() - Get the TX fifo depth of the serial engine
380  * This function is used to get the depth i.e. number of elements in the
381  * TX fifo of the serial engine.
383  * Return: TX fifo depth in units of FIFO words.
389 	val = readl_relaxed(se->base + SE_HW_PARAM_0);  in geni_se_get_tx_fifo_depth()
395  * geni_se_get_tx_fifo_width() - Get the TX fifo width of the serial engine
399  * TX fifo of the serial engine.
401  * Return: TX fifo width in bits
407 	val = readl_relaxed(se->base + SE_HW_PARAM_0);  in geni_se_get_tx_fifo_width()
413  * geni_se_get_rx_fifo_depth() - Get the RX fifo depth of the serial engine
416  * This function is used to get the depth i.e. number of elements in the
417  * RX fifo of the serial engine.
419  * Return: RX fifo depth in units of FIFO words
425 	val = readl_relaxed(se->base + SE_HW_PARAM_1);  in geni_se_get_rx_fifo_depth()