80 	struct rsnd_mod mod;  member
112 #define rsnd_mod_to_ssi(_mod) container_of((_mod), struct rsnd_ssi, mod)
114 #define rsnd_ssi_is_multi_secondary(mod, io)				\  argument
115 	(rsnd_ssi_multi_secondaries(io) & (1 << rsnd_mod_id(mod)))
116 #define rsnd_ssi_is_run_mods(mod, io) \  argument
117 	(rsnd_ssi_run_mods(io) & (1 << rsnd_mod_id(mod)))
118 #define rsnd_ssi_can_output_clk(mod) (!__rsnd_ssi_is_pin_sharing(mod))  argument
120 static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
124 	struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);  in rsnd_ssi_use_busif()  local
125 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_use_busif()
128 	if (!rsnd_ssi_is_dma_mode(mod))  in rsnd_ssi_use_busif()
139 static void rsnd_ssi_status_clear(struct rsnd_mod *mod)  in rsnd_ssi_status_clear()  argument
141 	rsnd_mod_write(mod, SSISR, 0);  in rsnd_ssi_status_clear()
144 static u32 rsnd_ssi_status_get(struct rsnd_mod *mod)  in rsnd_ssi_status_get()  argument
146 	return rsnd_mod_read(mod, SSISR);  in rsnd_ssi_status_get()
149 static void rsnd_ssi_status_check(struct rsnd_mod *mod,  in rsnd_ssi_status_check()  argument
152 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);  in rsnd_ssi_status_check()
158 		status = rsnd_ssi_status_get(mod);  in rsnd_ssi_status_check()
165 	dev_warn(dev, "%s status check failed\n", rsnd_mod_name(mod));  in rsnd_ssi_status_check()
170 	struct rsnd_mod *mod;  in rsnd_ssi_multi_secondaries()  local
180 		mod = rsnd_io_to_mod(io, types[i]);  in rsnd_ssi_multi_secondaries()
181 		if (!mod)  in rsnd_ssi_multi_secondaries()
184 		mask |= 1 << rsnd_mod_id(mod);  in rsnd_ssi_multi_secondaries()
266 static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,  in rsnd_ssi_master_clk_start()  argument
272 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_master_clk_start()
283 	if (!rsnd_ssi_can_output_clk(mod))  in rsnd_ssi_master_clk_start()
286 	if (rsnd_ssi_is_multi_secondary(mod, io))  in rsnd_ssi_master_clk_start()
314 	ret = rsnd_adg_ssi_clk_try_start(mod, main_rate);  in rsnd_ssi_master_clk_start()
335 		rsnd_mod_name(mod), chan, rate);  in rsnd_ssi_master_clk_start()
340 static void rsnd_ssi_master_clk_stop(struct rsnd_mod *mod,  in rsnd_ssi_master_clk_stop()  argument
344 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_master_clk_stop()
349 	if (!rsnd_ssi_can_output_clk(mod))  in rsnd_ssi_master_clk_stop()
359 	rsnd_adg_ssi_clk_stop(mod);  in rsnd_ssi_master_clk_stop()
362 static void rsnd_ssi_config_init(struct rsnd_mod *mod,  in rsnd_ssi_config_init()  argument
369 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_config_init()
375 	int id = rsnd_mod_id(mod);  in rsnd_ssi_config_init()
413 	if (rsnd_ssi_is_parent(mod, io))  in rsnd_ssi_config_init()
446 	if (rsnd_ssi_is_dma_mode(mod)) {  in rsnd_ssi_config_init()
462 				sys_int_enable = rsnd_mod_read(mod,  in rsnd_ssi_config_init()
465 				rsnd_mod_write(mod,  in rsnd_ssi_config_init()
473 				sys_int_enable = rsnd_mod_read(mod,  in rsnd_ssi_config_init()
476 				rsnd_mod_write(mod,  in rsnd_ssi_config_init()
491 static void rsnd_ssi_register_setup(struct rsnd_mod *mod)  in rsnd_ssi_register_setup()  argument
493 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_register_setup()
495 	rsnd_mod_write(mod, SSIWSR,	ssi->wsr);  in rsnd_ssi_register_setup()
496 	rsnd_mod_write(mod, SSICR,	ssi->cr_own	|  in rsnd_ssi_register_setup()
503  *	SSI mod common functions
505 static int rsnd_ssi_init(struct rsnd_mod *mod,  in rsnd_ssi_init()  argument
509 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_init()
511 	if (!rsnd_ssi_is_run_mods(mod, io))  in rsnd_ssi_init()
516 	rsnd_mod_power_on(mod);  in rsnd_ssi_init()
518 	rsnd_ssi_config_init(mod, io);  in rsnd_ssi_init()
520 	rsnd_ssi_register_setup(mod);  in rsnd_ssi_init()
523 	rsnd_ssi_status_clear(mod);  in rsnd_ssi_init()
528 static int rsnd_ssi_quit(struct rsnd_mod *mod,  in rsnd_ssi_quit()  argument
532 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_quit()
535 	int id = rsnd_mod_id(mod);  in rsnd_ssi_quit()
542 	if (!rsnd_ssi_is_run_mods(mod, io))  in rsnd_ssi_quit()
546 		dev_err(dev, "%s usrcnt error\n", rsnd_mod_name(mod));  in rsnd_ssi_quit()
550 	rsnd_ssi_master_clk_stop(mod, io);  in rsnd_ssi_quit()
552 	rsnd_mod_power_off(mod);  in rsnd_ssi_quit()
571 				sys_int_enable = rsnd_mod_read(mod,  in rsnd_ssi_quit()
574 				rsnd_mod_write(mod,  in rsnd_ssi_quit()
582 				sys_int_enable = rsnd_mod_read(mod,  in rsnd_ssi_quit()
585 				rsnd_mod_write(mod,  in rsnd_ssi_quit()
597 static int rsnd_ssi_hw_params(struct rsnd_mod *mod,  in rsnd_ssi_hw_params()  argument
616 static int rsnd_ssi_start(struct rsnd_mod *mod,  in rsnd_ssi_start()  argument
620 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_start()
622 	if (!rsnd_ssi_is_run_mods(mod, io))  in rsnd_ssi_start()
636 	if (rsnd_ssi_is_parent(mod, io))  in rsnd_ssi_start()
641 	rsnd_mod_write(mod, SSICR,	ssi->cr_own	|  in rsnd_ssi_start()
649 static int rsnd_ssi_stop(struct rsnd_mod *mod,  in rsnd_ssi_stop()  argument
653 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_stop()
656 	if (!rsnd_ssi_is_run_mods(mod, io))  in rsnd_ssi_stop()
659 	if (rsnd_ssi_is_parent(mod, io))  in rsnd_ssi_stop()
671 		rsnd_mod_write(mod, SSICR, cr | ssi->cr_en);  in rsnd_ssi_stop()
672 		rsnd_ssi_status_check(mod, DIRQ);  in rsnd_ssi_stop()
685 	rsnd_mod_write(mod, SSICR, cr);	/* disabled all */  in rsnd_ssi_stop()
686 	rsnd_ssi_status_check(mod, IIRQ);  in rsnd_ssi_stop()
693 static int rsnd_ssi_irq(struct rsnd_mod *mod,  in rsnd_ssi_irq()  argument
700 	int id = rsnd_mod_id(mod);  in rsnd_ssi_irq()
708 	if (rsnd_ssi_is_parent(mod, io))  in rsnd_ssi_irq()
711 	if (!rsnd_ssi_is_run_mods(mod, io))  in rsnd_ssi_irq()
715 		val = rsnd_ssi_is_dma_mode(mod) ? 0x0e000000 : 0x0f000000;  in rsnd_ssi_irq()
730 	rsnd_mod_write(mod, SSI_INT_ENABLE, val);  in rsnd_ssi_irq()
735 static bool rsnd_ssi_pio_interrupt(struct rsnd_mod *mod,
737 static void __rsnd_ssi_interrupt(struct rsnd_mod *mod,  in __rsnd_ssi_interrupt()  argument
740 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);  in __rsnd_ssi_interrupt()
742 	int is_dma = rsnd_ssi_is_dma_mode(mod);  in __rsnd_ssi_interrupt()
746 	int id = rsnd_mod_id(mod);  in __rsnd_ssi_interrupt()
759 	status = rsnd_ssi_status_get(mod);  in __rsnd_ssi_interrupt()
763 		elapsed = rsnd_ssi_pio_interrupt(mod, io);  in __rsnd_ssi_interrupt()
768 			rsnd_mod_name(mod), status);  in __rsnd_ssi_interrupt()
783 				status = rsnd_mod_read(mod,  in __rsnd_ssi_interrupt()
790 						rsnd_mod_name(mod), status);  in __rsnd_ssi_interrupt()
791 					rsnd_mod_write(mod,  in __rsnd_ssi_interrupt()
801 				status = rsnd_mod_read(mod,  in __rsnd_ssi_interrupt()
808 						rsnd_mod_name(mod), status);  in __rsnd_ssi_interrupt()
809 					rsnd_mod_write(mod,  in __rsnd_ssi_interrupt()
820 	rsnd_ssi_status_clear(mod);  in __rsnd_ssi_interrupt()
834 	struct rsnd_mod *mod = data;  in rsnd_ssi_interrupt()  local
836 	rsnd_mod_interrupt(mod, __rsnd_ssi_interrupt);  in rsnd_ssi_interrupt()
841 static u32 *rsnd_ssi_get_status(struct rsnd_mod *mod,  in rsnd_ssi_get_status()  argument
859 	 * OTOH, using each mod's status is good for MUX case.  in rsnd_ssi_get_status()
873 	return rsnd_mod_get_status(mod, io, type);  in rsnd_ssi_get_status()
879 static void rsnd_ssi_parent_attach(struct rsnd_mod *mod,  in rsnd_ssi_parent_attach()  argument
883 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);  in rsnd_ssi_parent_attach()
885 	if (!__rsnd_ssi_is_pin_sharing(mod))  in rsnd_ssi_parent_attach()
891 	if (rsnd_ssi_is_multi_secondary(mod, io))  in rsnd_ssi_parent_attach()
894 	switch (rsnd_mod_id(mod)) {  in rsnd_ssi_parent_attach()
909 static int rsnd_ssi_pcm_new(struct rsnd_mod *mod,  in rsnd_ssi_pcm_new()  argument
918 	rsnd_ssi_parent_attach(mod, io);  in rsnd_ssi_pcm_new()
923 static int rsnd_ssi_common_probe(struct rsnd_mod *mod,  in rsnd_ssi_common_probe()  argument
928 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_common_probe()
935 	if (rsnd_ssi_is_multi_secondary(mod, io))  in rsnd_ssi_common_probe()
950 	 * mod->status.  in rsnd_ssi_common_probe()
958 				  dev_name(dev), mod);  in rsnd_ssi_common_probe()
966 static int rsnd_ssi_common_remove(struct rsnd_mod *mod,  in rsnd_ssi_common_remove()  argument
970 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_common_remove()
973 	/* Do nothing if non SSI (= SSI parent, multi SSI) mod */  in rsnd_ssi_common_remove()
974 	if (pure_ssi_mod != mod)  in rsnd_ssi_common_remove()
979 		free_irq(ssi->irq, mod);  in rsnd_ssi_common_remove()
990 static bool rsnd_ssi_pio_interrupt(struct rsnd_mod *mod,  in rsnd_ssi_pio_interrupt()  argument
994 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_pio_interrupt()
1009 		rsnd_mod_write(mod, SSITDR, (*buf) << shift);  in rsnd_ssi_pio_interrupt()
1011 		*buf = (rsnd_mod_read(mod, SSIRDR) >> shift);  in rsnd_ssi_pio_interrupt()
1033 static int rsnd_ssi_pio_init(struct rsnd_mod *mod,  in rsnd_ssi_pio_init()  argument
1038 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_pio_init()
1040 	if (!rsnd_ssi_is_parent(mod, io)) {  in rsnd_ssi_pio_init()
1048 	return rsnd_ssi_init(mod, io, priv);  in rsnd_ssi_pio_init()
1051 static int rsnd_ssi_pio_pointer(struct rsnd_mod *mod,  in rsnd_ssi_pio_pointer()  argument
1055 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);  in rsnd_ssi_pio_pointer()
1063 static int rsnd_ssi_prepare(struct rsnd_mod *mod,  in rsnd_ssi_prepare()  argument
1067 	return rsnd_ssi_master_clk_start(mod, io);  in rsnd_ssi_prepare()
1086 static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,  in rsnd_ssi_dma_probe()  argument
1096 	if (rsnd_ssi_is_multi_secondary(mod, io))  in rsnd_ssi_dma_probe()
1099 	ret = rsnd_ssi_common_probe(mod, io, priv);  in rsnd_ssi_dma_probe()
1104 	ret = rsnd_dma_attach(io, mod, &io->dma);  in rsnd_ssi_dma_probe()
1109 static int rsnd_ssi_fallback(struct rsnd_mod *mod,  in rsnd_ssi_fallback()  argument
1122 	mod->ops = &rsnd_ssi_pio_ops;  in rsnd_ssi_fallback()
1124 	dev_info(dev, "%s fallback to PIO mode\n", rsnd_mod_name(mod));  in rsnd_ssi_fallback()
1130 					 struct rsnd_mod *mod)  in rsnd_ssi_dma_req()  argument
1132 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);  in rsnd_ssi_dma_req()
1153 					mod, name);  in rsnd_ssi_dma_req()
1173 static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)  in rsnd_ssi_is_dma_mode()  argument
1175 	return mod->ops == &rsnd_ssi_dma_ops;  in rsnd_ssi_is_dma_mode()
1179  *		ssi mod function
1181 static void rsnd_ssi_connect(struct rsnd_mod *mod,  in rsnd_ssi_connect()  argument
1198 			rsnd_dai_connect(mod, io, type);  in rsnd_ssi_connect()
1213 	struct rsnd_mod *mod;  in rsnd_parse_connect_ssi()  local
1222 		mod = rsnd_ssi_mod_get(priv, i);  in rsnd_parse_connect_ssi()
1224 			rsnd_ssi_connect(mod, &rdai->playback);  in rsnd_parse_connect_ssi()
1226 			rsnd_ssi_connect(mod, &rdai->capture);  in rsnd_parse_connect_ssi()
1241 int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod)  in __rsnd_ssi_is_pin_sharing()  argument
1243 	if (!mod)  in __rsnd_ssi_is_pin_sharing()
1246 	return !!(rsnd_flags_has(rsnd_mod_to_ssi(mod), RSND_SSI_CLK_PIN_SHARE));  in __rsnd_ssi_is_pin_sharing()