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
296 /* QUP SE VERSION value for major number 2 and minor number 5 */
319  * geni_se_read_proto() - Read the protocol configured for a serial engine
320  * @se:		Pointer to the concerned serial engine.
322  * Return: Protocol value as configured in the serial engine.
328 	val = readl_relaxed(se->base + GENI_FW_REVISION_RO);  in geni_se_read_proto()
334  * geni_se_setup_m_cmd() - Setup the primary sequencer
335  * @se:		Pointer to the concerned serial engine.
347 	writel(m_cmd, se->base + SE_GENI_M_CMD0);  in geni_se_setup_m_cmd()
351  * geni_se_setup_s_cmd() - Setup the secondary sequencer
352  * @se:		Pointer to the concerned serial engine.
363 	s_cmd = readl_relaxed(se->base + SE_GENI_S_CMD0);  in geni_se_setup_s_cmd()
367 	writel(s_cmd, se->base + SE_GENI_S_CMD0);  in geni_se_setup_s_cmd()
371  * geni_se_cancel_m_cmd() - Cancel the command configured in the primary
373  * @se:	Pointer to the concerned serial engine.
380 	writel_relaxed(M_GENI_CMD_CANCEL, se->base + SE_GENI_M_CMD_CTRL_REG);  in geni_se_cancel_m_cmd()
384  * geni_se_cancel_s_cmd() - Cancel the command configured in the secondary
386  * @se:	Pointer to the concerned serial engine.
393 	writel_relaxed(S_GENI_CMD_CANCEL, se->base + SE_GENI_S_CMD_CTRL_REG);  in geni_se_cancel_s_cmd()
397  * geni_se_abort_m_cmd() - Abort the command configured in the primary sequencer
398  * @se:	Pointer to the concerned serial engine.
405 	writel_relaxed(M_GENI_CMD_ABORT, se->base + SE_GENI_M_CMD_CTRL_REG);  in geni_se_abort_m_cmd()
409  * geni_se_abort_s_cmd() - Abort the command configured in the secondary
411  * @se:	Pointer to the concerned serial engine.
418 	writel_relaxed(S_GENI_CMD_ABORT, se->base + SE_GENI_S_CMD_CTRL_REG);  in geni_se_abort_s_cmd()
422  * geni_se_get_tx_fifo_depth() - Get the TX fifo depth of the serial engine
424  * @se: Pointer to the concerned serial engine.
426  * This function is used to get the depth i.e. number of elements in the
427  * TX fifo of the serial engine.
444 	val = readl_relaxed(se->base + SE_HW_PARAM_0);  in geni_se_get_tx_fifo_depth()
450  * geni_se_get_tx_fifo_width() - Get the TX fifo width of the serial engine
451  * @se:	Pointer to the concerned serial engine.
454  * TX fifo of the serial engine.
462 	val = readl_relaxed(se->base + SE_HW_PARAM_0);  in geni_se_get_tx_fifo_width()
468  * geni_se_get_rx_fifo_depth() - Get the RX fifo depth of the serial engine
470  * @se: Pointer to the concerned serial engine.
472  * This function is used to get the depth i.e. number of elements in the
473  * RX fifo of the serial engine.
490 	val = readl_relaxed(se->base + SE_HW_PARAM_1);  in geni_se_get_rx_fifo_depth()