1 files changed, 0 insertions, 609 deletions

diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c
deleted file mode 100644
index 17bd8cc86dd0..000000000000
--- a/sound/soc/sh/rcar/ssiu.c
+++ /dev/null
@@ -1,609 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Renesas R-Car SSIU support
-//
-// Copyright (c) 2015 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
-
-#include "rsnd.h"
-
-#define SSIU_NAME "ssiu"
-
-struct rsnd_ssiu {
-	struct rsnd_mod mod;
-	u32 busif_status[8]; /* for BUSIF0 - BUSIF7 */
-	unsigned int usrcnt;
-	int id;
-	int id_sub;
-};
-
-/* SSI_MODE */
-#define TDM_EXT		(1 << 0)
-#define TDM_SPLIT	(1 << 8)
-
-#define rsnd_ssiu_nr(priv) ((priv)->ssiu_nr)
-#define rsnd_mod_to_ssiu(_mod) container_of((_mod), struct rsnd_ssiu, mod)
-#define for_each_rsnd_ssiu(pos, priv, i)				\
-	for (i = 0;							\
-	     (i < rsnd_ssiu_nr(priv)) &&				\
-		     ((pos) = ((struct rsnd_ssiu *)(priv)->ssiu + i));	\
-	     i++)
-
-/*
- *	SSI	Gen2		Gen3		Gen4
- *	0	BUSIF0-3	BUSIF0-7	BUSIF0-7
- *	1	BUSIF0-3	BUSIF0-7
- *	2	BUSIF0-3	BUSIF0-7
- *	3	BUSIF0		BUSIF0-7
- *	4	BUSIF0		BUSIF0-7
- *	5	BUSIF0		BUSIF0
- *	6	BUSIF0		BUSIF0
- *	7	BUSIF0		BUSIF0
- *	8	BUSIF0		BUSIF0
- *	9	BUSIF0-3	BUSIF0-7
- *	total	22		52		8
- */
-static const int gen2_id[] = { 0, 4,  8, 12, 13, 14, 15, 16, 17, 18 };
-static const int gen3_id[] = { 0, 8, 16, 24, 32, 40, 41, 42, 43, 44 };
-static const int gen4_id[] = { 0 };
-
-/* enable busif buffer over/under run interrupt. */
-#define rsnd_ssiu_busif_err_irq_enable(mod)  rsnd_ssiu_busif_err_irq_ctrl(mod, 1)
-#define rsnd_ssiu_busif_err_irq_disable(mod) rsnd_ssiu_busif_err_irq_ctrl(mod, 0)
-static void rsnd_ssiu_busif_err_irq_ctrl(struct rsnd_mod *mod, int enable)
-{
-	int id = rsnd_mod_id(mod);
-	int shift, offset;
-	int i;
-
-	switch (id) {
-	case 0:
-	case 1:
-	case 2:
-	case 3:
-	case 4:
-		shift  = id;
-		offset = 0;
-		break;
-	case 9:
-		shift  = 1;
-		offset = 1;
-		break;
-	default:
-		return;
-	}
-
-	for (i = 0; i < 4; i++) {
-		enum rsnd_reg reg = SSI_SYS_INT_ENABLE((i * 2) + offset);
-		u32 val = 0xf << (shift * 4);
-		u32 sys_int_enable = rsnd_mod_read(mod, reg);
-
-		if (enable)
-			sys_int_enable |= val;
-		else
-			sys_int_enable &= ~val;
-		rsnd_mod_write(mod, reg, sys_int_enable);
-	}
-}
-
-bool rsnd_ssiu_busif_err_status_clear(struct rsnd_mod *mod)
-{
-	bool error = false;
-	int id = rsnd_mod_id(mod);
-	int shift, offset;
-	int i;
-
-	switch (id) {
-	case 0:
-	case 1:
-	case 2:
-	case 3:
-	case 4:
-		shift  = id;
-		offset = 0;
-		break;
-	case 9:
-		shift  = 1;
-		offset = 1;
-		break;
-	default:
-		goto out;
-	}
-
-	for (i = 0; i < 4; i++) {
-		u32 reg = SSI_SYS_STATUS(i * 2) + offset;
-		u32 status = rsnd_mod_read(mod, reg);
-		u32 val = 0xf << (shift * 4);
-
-		status &= val;
-		if (status) {
-			struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
-			struct device *dev = rsnd_priv_to_dev(priv);
-
-			rsnd_print_irq_status(dev, "%s err status : 0x%08x\n",
-					      rsnd_mod_name(mod), status);
-			error = true;
-		}
-		rsnd_mod_write(mod, reg, val);
-	}
-out:
-	return error;
-}
-
-static u32 *rsnd_ssiu_get_status(struct rsnd_mod *mod,
-				 struct rsnd_dai_stream *io,
-				 enum rsnd_mod_type type)
-{
-	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);
-	int busif = rsnd_mod_id_sub(mod);
-
-	return &ssiu->busif_status[busif];
-}
-
-static int rsnd_ssiu_init(struct rsnd_mod *mod,
-			  struct rsnd_dai_stream *io,
-			  struct rsnd_priv *priv)
-{
-	struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
-	u32 ssis = rsnd_ssi_multi_secondaries_runtime(io);
-	int use_busif = rsnd_ssi_use_busif(io);
-	int id = rsnd_mod_id(mod);
-	int is_clk_master = rsnd_rdai_is_clk_master(rdai);
-	u32 val1, val2;
-
-	/* clear status */
-	rsnd_ssiu_busif_err_status_clear(mod);
-
-	/* Gen4 doesn't have SSI_MODE */
-	if (rsnd_is_gen4(priv))
-		goto ssi_mode_setting_end;
-
-	/*
-	 * SSI_MODE0
-	 */
-	rsnd_mod_bset(mod, SSI_MODE0, (1 << id), !use_busif << id);
-
-	/*
-	 * SSI_MODE1 / SSI_MODE2
-	 *
-	 * FIXME
-	 * sharing/multi with SSI0 are mainly supported
-	 */
-	val1 = rsnd_mod_read(mod, SSI_MODE1);
-	val2 = rsnd_mod_read(mod, SSI_MODE2);
-	if (rsnd_ssi_is_pin_sharing(io)) {
-
-		ssis |= (1 << id);
-
-	} else if (ssis) {
-		/*
-		 * Multi SSI
-		 *
-		 * set synchronized bit here
-		 */
-
-		/* SSI4 is synchronized with SSI3 */
-		if (ssis & (1 << 4))
-			val1 |= (1 << 20);
-		/* SSI012 are synchronized */
-		if (ssis == 0x0006)
-			val1 |= (1 << 4);
-		/* SSI0129 are synchronized */
-		if (ssis == 0x0206)
-			val2 |= (1 << 4);
-	}
-
-	/* SSI1 is sharing pin with SSI0 */
-	if (ssis & (1 << 1))
-		val1 |= is_clk_master ? 0x2 : 0x1;
-
-	/* SSI2 is sharing pin with SSI0 */
-	if (ssis & (1 << 2))
-		val1 |= is_clk_master ?	0x2 << 2 :
-					0x1 << 2;
-	/* SSI4 is sharing pin with SSI3 */
-	if (ssis & (1 << 4))
-		val1 |= is_clk_master ? 0x2 << 16 :
-					0x1 << 16;
-	/* SSI9 is sharing pin with SSI0 */
-	if (ssis & (1 << 9))
-		val2 |= is_clk_master ? 0x2 : 0x1;
-
-	rsnd_mod_bset(mod, SSI_MODE1, 0x0013001f, val1);
-	rsnd_mod_bset(mod, SSI_MODE2, 0x00000017, val2);
-
-ssi_mode_setting_end:
-	/*
-	 * Enable busif buffer over/under run interrupt.
-	 * It will be handled from ssi.c
-	 * see
-	 *	__rsnd_ssi_interrupt()
-	 */
-	rsnd_ssiu_busif_err_irq_enable(mod);
-
-	return 0;
-}
-
-static int rsnd_ssiu_quit(struct rsnd_mod *mod,
-			  struct rsnd_dai_stream *io,
-			  struct rsnd_priv *priv)
-{
-	/* disable busif buffer over/under run interrupt. */
-	rsnd_ssiu_busif_err_irq_disable(mod);
-
-	return 0;
-}
-
-static struct rsnd_mod_ops rsnd_ssiu_ops_gen1 = {
-	.name		= SSIU_NAME,
-	.init		= rsnd_ssiu_init,
-	.quit		= rsnd_ssiu_quit,
-	.get_status	= rsnd_ssiu_get_status,
-};
-
-static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod,
-			       struct rsnd_dai_stream *io,
-			       struct rsnd_priv *priv)
-{
-	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);
-	u32 has_hdmi0 = rsnd_flags_has(io, RSND_STREAM_HDMI0);
-	u32 has_hdmi1 = rsnd_flags_has(io, RSND_STREAM_HDMI1);
-	int ret;
-	u32 mode = 0;
-
-	ret = rsnd_ssiu_init(mod, io, priv);
-	if (ret < 0)
-		return ret;
-
-	ssiu->usrcnt++;
-
-	/*
-	 * TDM Extend/Split Mode
-	 * see
-	 *	rsnd_ssi_config_init()
-	 */
-	if (rsnd_runtime_is_tdm(io))
-		mode = TDM_EXT;
-	else if (rsnd_runtime_is_tdm_split(io))
-		mode = TDM_SPLIT;
-
-	rsnd_mod_write(mod, SSI_MODE, mode);
-
-	if (rsnd_ssi_use_busif(io)) {
-		int id = rsnd_mod_id(mod);
-		int busif = rsnd_mod_id_sub(mod);
-		enum rsnd_reg adinr_reg, mode_reg, dalign_reg;
-
-		if ((id == 9) && (busif >= 4)) {
-			adinr_reg = SSI9_BUSIF_ADINR(busif);
-			mode_reg = SSI9_BUSIF_MODE(busif);
-			dalign_reg = SSI9_BUSIF_DALIGN(busif);
-		} else {
-			adinr_reg = SSI_BUSIF_ADINR(busif);
-			mode_reg = SSI_BUSIF_MODE(busif);
-			dalign_reg = SSI_BUSIF_DALIGN(busif);
-		}
-
-		rsnd_mod_write(mod, adinr_reg,
-			       rsnd_get_adinr_bit(mod, io) |
-			       (rsnd_io_is_play(io) ?
-				rsnd_runtime_channel_after_ctu(io) :
-				rsnd_runtime_channel_original(io)));
-		rsnd_mod_write(mod, mode_reg,
-			       rsnd_get_busif_shift(io, mod) | 1);
-		rsnd_mod_write(mod, dalign_reg,
-			       rsnd_get_dalign(mod, io));
-	}
-
-	if (has_hdmi0 || has_hdmi1) {
-		enum rsnd_mod_type rsnd_ssi_array[] = {
-			RSND_MOD_SSIM1,
-			RSND_MOD_SSIM2,
-			RSND_MOD_SSIM3,
-		};
-		struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
-		struct rsnd_mod *pos;
-		u32 val;
-		int i;
-
-		i = rsnd_mod_id(ssi_mod);
-
-		/* output all same SSI as default */
-		val =	i << 16 |
-			i << 20 |
-			i << 24 |
-			i << 28 |
-			i;
-
-		for_each_rsnd_mod_array(i, pos, io, rsnd_ssi_array) {
-			int shift = (i * 4) + 20;
-
-			val	= (val & ~(0xF << shift)) |
-				rsnd_mod_id(pos) << shift;
-		}
-
-		if (has_hdmi0)
-			rsnd_mod_write(mod, HDMI0_SEL, val);
-		if (has_hdmi1)
-			rsnd_mod_write(mod, HDMI1_SEL, val);
-	}
-
-	return 0;
-}
-
-static int rsnd_ssiu_start_gen2(struct rsnd_mod *mod,
-				struct rsnd_dai_stream *io,
-				struct rsnd_priv *priv)
-{
-	int busif = rsnd_mod_id_sub(mod);
-
-	if (!rsnd_ssi_use_busif(io))
-		return 0;
-
-	rsnd_mod_bset(mod, SSI_CTRL, 1 << (busif * 4), 1 << (busif * 4));
-
-	if (rsnd_ssi_multi_secondaries_runtime(io))
-		rsnd_mod_write(mod, SSI_CONTROL, 0x1);
-
-	return 0;
-}
-
-static int rsnd_ssiu_stop_gen2(struct rsnd_mod *mod,
-			       struct rsnd_dai_stream *io,
-			       struct rsnd_priv *priv)
-{
-	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);
-	int busif = rsnd_mod_id_sub(mod);
-
-	if (!rsnd_ssi_use_busif(io))
-		return 0;
-
-	rsnd_mod_bset(mod, SSI_CTRL, 1 << (busif * 4), 0);
-
-	if (--ssiu->usrcnt)
-		return 0;
-
-	if (rsnd_ssi_multi_secondaries_runtime(io))
-		rsnd_mod_write(mod, SSI_CONTROL, 0);
-
-	return 0;
-}
-
-static int rsnd_ssiu_id(struct rsnd_mod *mod)
-{
-	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);
-
-	/* see rsnd_ssiu_probe() */
-	return ssiu->id;
-}
-
-static int rsnd_ssiu_id_sub(struct rsnd_mod *mod)
-{
-	struct rsnd_ssiu *ssiu = rsnd_mod_to_ssiu(mod);
-
-	/* see rsnd_ssiu_probe() */
-	return ssiu->id_sub;
-}
-
-static struct dma_chan *rsnd_ssiu_dma_req(struct rsnd_dai_stream *io,
-					  struct rsnd_mod *mod)
-{
-	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
-	int is_play = rsnd_io_is_play(io);
-	char *name;
-
-	/*
-	 * It should use "rcar_sound,ssiu" on DT.
-	 * But, we need to keep compatibility for old version.
-	 *
-	 * If it has "rcar_sound.ssiu", it will be used.
-	 * If not, "rcar_sound.ssi" will be used.
-	 * see
-	 *	rsnd_ssi_dma_req()
-	 *	rsnd_dma_of_path()
-	 */
-
-	name = is_play ? "rx" : "tx";
-
-	return rsnd_dma_request_channel(rsnd_ssiu_of_node(priv),
-					SSIU_NAME, mod, name);
-}
-
-#ifdef CONFIG_DEBUG_FS
-static void rsnd_ssiu_debug_info(struct seq_file *m,
-				 struct rsnd_dai_stream *io,
-				struct rsnd_mod *mod)
-{
-	rsnd_debugfs_mod_reg_show(m, mod, RSND_GEN2_SSIU,
-				  rsnd_mod_id(mod) * 0x80, 0x80);
-}
-#define DEBUG_INFO .debug_info = rsnd_ssiu_debug_info
-#else
-#define DEBUG_INFO
-#endif
-
-static struct rsnd_mod_ops rsnd_ssiu_ops_gen2 = {
-	.name		= SSIU_NAME,
-	.dma_req	= rsnd_ssiu_dma_req,
-	.init		= rsnd_ssiu_init_gen2,
-	.quit		= rsnd_ssiu_quit,
-	.start		= rsnd_ssiu_start_gen2,
-	.stop		= rsnd_ssiu_stop_gen2,
-	.get_status	= rsnd_ssiu_get_status,
-	DEBUG_INFO
-};
-
-static struct rsnd_mod *rsnd_ssiu_mod_get(struct rsnd_priv *priv, int id)
-{
-	if (WARN_ON(id < 0 || id >= rsnd_ssiu_nr(priv)))
-		id = 0;
-
-	return rsnd_mod_get((struct rsnd_ssiu *)(priv->ssiu) + id);
-}
-
-static void rsnd_parse_connect_ssiu_compatible(struct rsnd_priv *priv,
-					       struct rsnd_dai_stream *io)
-{
-	struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
-	struct rsnd_ssiu *ssiu;
-	int is_dma_mode;
-	int i;
-
-	if (!ssi_mod)
-		return;
-
-	is_dma_mode = rsnd_ssi_is_dma_mode(ssi_mod);
-
-	/* select BUSIF0 */
-	for_each_rsnd_ssiu(ssiu, priv, i) {
-		struct rsnd_mod *mod = rsnd_mod_get(ssiu);
-
-		if (is_dma_mode &&
-		    (rsnd_mod_id(ssi_mod) == rsnd_mod_id(mod)) &&
-		    (rsnd_mod_id_sub(mod) == 0)) {
-			rsnd_dai_connect(mod, io, mod->type);
-			return;
-		}
-	}
-}
-
-void rsnd_parse_connect_ssiu(struct rsnd_dai *rdai,
-			     struct device_node *playback,
-			     struct device_node *capture)
-{
-	struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
-	struct device *dev = rsnd_priv_to_dev(priv);
-	struct device_node *node = rsnd_ssiu_of_node(priv);
-	struct rsnd_dai_stream *io_p = &rdai->playback;
-	struct rsnd_dai_stream *io_c = &rdai->capture;
-
-	/* use rcar_sound,ssiu if exist */
-	if (node) {
-		struct device_node *np;
-		int i = 0;
-
-		for_each_child_of_node(node, np) {
-			struct rsnd_mod *mod;
-
-			i = rsnd_node_fixed_index(dev, np, SSIU_NAME, i);
-			if (i < 0) {
-				of_node_put(np);
-				break;
-			}
-
-			mod = rsnd_ssiu_mod_get(priv, i);
-
-			if (np == playback)
-				rsnd_dai_connect(mod, io_p, mod->type);
-			if (np == capture)
-				rsnd_dai_connect(mod, io_c, mod->type);
-			i++;
-		}
-
-		of_node_put(node);
-	}
-
-	/* Keep DT compatibility */
-	if (!rsnd_io_to_mod_ssiu(io_p))
-		rsnd_parse_connect_ssiu_compatible(priv, io_p);
-	if (!rsnd_io_to_mod_ssiu(io_c))
-		rsnd_parse_connect_ssiu_compatible(priv, io_c);
-}
-
-int rsnd_ssiu_probe(struct rsnd_priv *priv)
-{
-	struct device *dev = rsnd_priv_to_dev(priv);
-	struct device_node *node;
-	struct rsnd_ssiu *ssiu;
-	struct rsnd_mod_ops *ops;
-	const int *list = NULL;
-	int i, nr;
-
-	/*
-	 * Keep DT compatibility.
-	 * if it has "rcar_sound,ssiu", use it.
-	 * if not, use "rcar_sound,ssi"
-	 * see
-	 *	rsnd_ssiu_bufsif_to_id()
-	 */
-	node = rsnd_ssiu_of_node(priv);
-	if (node)
-		nr = rsnd_node_count(priv, node, SSIU_NAME);
-	else
-		nr = priv->ssi_nr;
-
-	if (!nr)
-		return -EINVAL;
-
-	ssiu	= devm_kcalloc(dev, nr, sizeof(*ssiu), GFP_KERNEL);
-	if (!ssiu)
-		return -ENOMEM;
-
-	priv->ssiu	= ssiu;
-	priv->ssiu_nr	= nr;
-
-	if (rsnd_is_gen1(priv))
-		ops = &rsnd_ssiu_ops_gen1;
-	else
-		ops = &rsnd_ssiu_ops_gen2;
-
-	/* Keep compatibility */
-	nr = 0;
-	if ((node) &&
-	    (ops == &rsnd_ssiu_ops_gen2)) {
-		ops->id		= rsnd_ssiu_id;
-		ops->id_sub	= rsnd_ssiu_id_sub;
-
-		if (rsnd_is_gen2(priv)) {
-			list	= gen2_id;
-			nr	= ARRAY_SIZE(gen2_id);
-		} else if (rsnd_is_gen3(priv)) {
-			list	= gen3_id;
-			nr	= ARRAY_SIZE(gen3_id);
-		} else if (rsnd_is_gen4(priv)) {
-			list	= gen4_id;
-			nr	= ARRAY_SIZE(gen4_id);
-		} else {
-			dev_err(dev, "unknown SSIU\n");
-			return -ENODEV;
-		}
-	}
-
-	for_each_rsnd_ssiu(ssiu, priv, i) {
-		int ret;
-
-		if (node) {
-			int j;
-
-			/*
-			 * see
-			 *	rsnd_ssiu_get_id()
-			 *	rsnd_ssiu_get_id_sub()
-			 */
-			for (j = 0; j < nr; j++) {
-				if (list[j] > i)
-					break;
-				ssiu->id	= j;
-				ssiu->id_sub	= i - list[ssiu->id];
-			}
-		} else {
-			ssiu->id = i;
-		}
-
-		ret = rsnd_mod_init(priv, rsnd_mod_get(ssiu),
-				    ops, NULL, RSND_MOD_SSIU, i);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-}
-
-void rsnd_ssiu_remove(struct rsnd_priv *priv)
-{
-	struct rsnd_ssiu *ssiu;
-	int i;
-
-	for_each_rsnd_ssiu(ssiu, priv, i) {
-		rsnd_mod_quit(rsnd_mod_get(ssiu));
-	}
-}