soc/qcom/geni-se.h

1 /* SPDX-License-Identifier: GPL-2.0 */
3  * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
12  * enum geni_se_xfer_mode: Transfer modes supported by Serial Engines
17  * @GENI_SE_DMA: Serial Engine DMA mode. Data is transferred
31 /* Protocols supported by GENI Serial Engines */
56  * struct geni_se - GENI Serial Engine
57  * @base:		Base Address of the Serial Engine's register block
58  * @dev:		Pointer to the Serial Engine device
60  * @clk:		Handle to the core serial engine clock
61  * @num_clk_levels:	Number of valid clock levels in clk_perf_tbl
62  * @clk_perf_tbl:	Table of clock frequency input to serial engine clock
286 /* QUP SE VERSION value for major number 2 and minor number 5 */
309  * geni_se_read_proto() - Read the protocol configured for a serial engine
310  * @se:		Pointer to the concerned serial engine.
312  * Return: Protocol value as configured in the 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
325  * @se:		Pointer to the concerned serial engine.
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
342  * @se:		Pointer to the concerned serial engine.
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
363  * @se:	Pointer to the concerned serial engine.
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
376  * @se:	Pointer to the concerned serial engine.
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
388  * @se:	Pointer to the concerned serial engine.
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
401  * @se:	Pointer to the concerned serial engine.
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
414  * @se: Pointer to the concerned 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.
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
441  * @se:	Pointer to the concerned serial engine.
444  * TX fifo of the serial engine.
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
460  * @se: Pointer to the concerned 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.
480 	val = readl_relaxed(se->base + SE_HW_PARAM_1);  in geni_se_get_rx_fifo_depth()