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
18  * with SE by DMAengine internal to SE
31 /* Protocols supported by GENI Serial Engines */
55  * struct geni_se - GENI Serial Engine
58  * @wrapper:		Pointer to the parent QUP Wrapper core
62  * @icc_paths:		Array of ICC paths for SE
74 /* Common SE registers */
264 /* QUP SE VERSION value for major number 2 and minor number 5 */
270  * by the hardware team, and are not dynamically scaled with GENI bandwidth
284 u32 geni_se_get_qup_hw_version(struct geni_se *se);
287  * geni_se_read_proto() - Read the protocol configured for a serial engine
288  * @se:		Pointer to the concerned serial engine.
292 static inline u32 geni_se_read_proto(struct geni_se *se)  in geni_se_read_proto()  argument
296 	val = readl_relaxed(se->base + GENI_FW_REVISION_RO);  in geni_se_read_proto()
302  * geni_se_setup_m_cmd() - Setup the primary sequencer
303  * @se:		Pointer to the concerned serial engine.
310 static inline void geni_se_setup_m_cmd(struct geni_se *se, u32 cmd, u32 params)  in geni_se_setup_m_cmd()  argument
315 	writel(m_cmd, se->base + SE_GENI_M_CMD0);  in geni_se_setup_m_cmd()
319  * geni_se_setup_s_cmd() - Setup the secondary sequencer
320  * @se:		Pointer to the concerned serial engine.
327 static inline void geni_se_setup_s_cmd(struct geni_se *se, u32 cmd, u32 params)  in geni_se_setup_s_cmd()  argument
331 	s_cmd = readl_relaxed(se->base + SE_GENI_S_CMD0);  in geni_se_setup_s_cmd()
335 	writel(s_cmd, se->base + SE_GENI_S_CMD0);  in geni_se_setup_s_cmd()
339  * geni_se_cancel_m_cmd() - Cancel the command configured in the primary
341  * @se:	Pointer to the concerned serial engine.
346 static inline void geni_se_cancel_m_cmd(struct geni_se *se)  in geni_se_cancel_m_cmd()  argument
348 	writel_relaxed(M_GENI_CMD_CANCEL, se->base + SE_GENI_M_CMD_CTRL_REG);  in geni_se_cancel_m_cmd()
352  * geni_se_cancel_s_cmd() - Cancel the command configured in the secondary
354  * @se:	Pointer to the concerned serial engine.
359 static inline void geni_se_cancel_s_cmd(struct geni_se *se)  in geni_se_cancel_s_cmd()  argument
361 	writel_relaxed(S_GENI_CMD_CANCEL, se->base + SE_GENI_S_CMD_CTRL_REG);  in geni_se_cancel_s_cmd()
365  * geni_se_abort_m_cmd() - Abort the command configured in the primary sequencer
366  * @se:	Pointer to the concerned serial engine.
371 static inline void geni_se_abort_m_cmd(struct geni_se *se)  in geni_se_abort_m_cmd()  argument
373 	writel_relaxed(M_GENI_CMD_ABORT, se->base + SE_GENI_M_CMD_CTRL_REG);  in geni_se_abort_m_cmd()
377  * geni_se_abort_s_cmd() - Abort the command configured in the secondary
379  * @se:	Pointer to the concerned serial engine.
384 static inline void geni_se_abort_s_cmd(struct geni_se *se)  in geni_se_abort_s_cmd()  argument
386 	writel_relaxed(S_GENI_CMD_ABORT, se->base + SE_GENI_S_CMD_CTRL_REG);  in geni_se_abort_s_cmd()
390  * geni_se_get_tx_fifo_depth() - Get the TX fifo depth of the serial engine
391  * @se:	Pointer to the concerned serial engine.
398 static inline u32 geni_se_get_tx_fifo_depth(struct geni_se *se)  in geni_se_get_tx_fifo_depth()  argument
402 	val = readl_relaxed(se->base + SE_HW_PARAM_0);  in geni_se_get_tx_fifo_depth()
408  * geni_se_get_tx_fifo_width() - Get the TX fifo width of the serial engine
409  * @se:	Pointer to the concerned serial engine.
416 static inline u32 geni_se_get_tx_fifo_width(struct geni_se *se)  in geni_se_get_tx_fifo_width()  argument
420 	val = readl_relaxed(se->base + SE_HW_PARAM_0);  in geni_se_get_tx_fifo_width()
426  * geni_se_get_rx_fifo_depth() - Get the RX fifo depth of the serial engine
427  * @se:	Pointer to the concerned serial engine.
434 static inline u32 geni_se_get_rx_fifo_depth(struct geni_se *se)  in geni_se_get_rx_fifo_depth()  argument
438 	val = readl_relaxed(se->base + SE_HW_PARAM_1);  in geni_se_get_rx_fifo_depth()
443 void geni_se_init(struct geni_se *se, u32 rx_wm, u32 rx_rfr);
445 void geni_se_select_mode(struct geni_se *se, enum geni_se_xfer_mode mode);
447 void geni_se_config_packing(struct geni_se *se, int bpw, int pack_words,
450 int geni_se_resources_off(struct geni_se *se);
452 int geni_se_resources_on(struct geni_se *se);
454 int geni_se_clk_tbl_get(struct geni_se *se, unsigned long **tbl);
456 int geni_se_clk_freq_match(struct geni_se *se, unsigned long req_freq,
460 int geni_se_tx_dma_prep(struct geni_se *se, void *buf, size_t len,
463 int geni_se_rx_dma_prep(struct geni_se *se, void *buf, size_t len,
466 void geni_se_tx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len);
468 void geni_se_rx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len);
470 int geni_icc_get(struct geni_se *se, const char *icc_ddr);
472 int geni_icc_set_bw(struct geni_se *se);
473 void geni_icc_set_tag(struct geni_se *se, u32 tag);
475 int geni_icc_enable(struct geni_se *se);
477 int geni_icc_disable(struct geni_se *se);