Merge tag 'asoc-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v3.12

- DAPM is now mandatory for CODEC drivers in order to avoid the repeated
  regressions in the special cases for non-DAPM CODECs and make it
  easier to integrate with other components on boards.  All existing
  drivers have had some level of DAPM support added.
- A lot of cleanups in DAPM plus support for maintaining controls in a
  specific state while a DAPM widget all contributed by Lars-Peter Clausen.
- Core helpers for bitbanged AC'97 reset from Markus Pargmann.
- New drivers and support for Analog Devices ADAU1702 and ADAU1401(a),
  Asahi Kasei Microdevices AK4554, Atmel AT91ASM9x5 and WM8904 based
  machines, Freescale S/PDIF and SSI AC'97, Renesas R-Car SoCs, Samsung
  Exynos5420 SoCs, Texas Instruments PCM1681 and PCM1792A and Wolfson
  Microelectronics WM8997.
- Support for building drivers that can support it cross-platform for
  compile test.

1 files changed, 280 insertions, 0 deletions

diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
new file mode 100644
index 00000000000..babb203b43b
--- /dev/null
+++ b/sound/soc/sh/rcar/gen.c
@@ -0,0 +1,280 @@
+/*
+ * Renesas R-Car Gen1 SRU/SSI support
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "rsnd.h"
+
+struct rsnd_gen_ops {
+	int (*path_init)(struct rsnd_priv *priv,
+			 struct rsnd_dai *rdai,
+			 struct rsnd_dai_stream *io);
+	int (*path_exit)(struct rsnd_priv *priv,
+			 struct rsnd_dai *rdai,
+			 struct rsnd_dai_stream *io);
+};
+
+struct rsnd_gen_reg_map {
+	int index;	/* -1 : not supported */
+	u32 offset_id;	/* offset of ssi0, ssi1, ssi2... */
+	u32 offset_adr;	/* offset of SSICR, SSISR, ... */
+};
+
+struct rsnd_gen {
+	void __iomem *base[RSND_BASE_MAX];
+
+	struct rsnd_gen_reg_map reg_map[RSND_REG_MAX];
+	struct rsnd_gen_ops *ops;
+};
+
+#define rsnd_priv_to_gen(p)	((struct rsnd_gen *)(p)->gen)
+
+/*
+ *		Gen2
+ *		will be filled in the future
+ */
+
+/*
+ *		Gen1
+ */
+static int rsnd_gen1_path_init(struct rsnd_priv *priv,
+			       struct rsnd_dai *rdai,
+			       struct rsnd_dai_stream *io)
+{
+	struct rsnd_mod *mod;
+	int ret;
+	int id;
+
+	/*
+	 * Gen1 is created by SRU/SSI, and this SRU is base module of
+	 * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU)
+	 *
+	 * Easy image is..
+	 *	Gen1 SRU = Gen2 SCU + SSIU + etc
+	 *
+	 * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is
+	 * using fixed path.
+	 *
+	 * Then, SSI id = SCU id here
+	 */
+
+	/* get SSI's ID */
+	mod = rsnd_ssi_mod_get_frm_dai(priv,
+				       rsnd_dai_id(priv, rdai),
+				       rsnd_dai_is_play(rdai, io));
+	id = rsnd_mod_id(mod);
+
+	/* SSI */
+	mod = rsnd_ssi_mod_get(priv, id);
+	ret = rsnd_dai_connect(rdai, mod, io);
+	if (ret < 0)
+		return ret;
+
+	/* SCU */
+	mod = rsnd_scu_mod_get(priv, id);
+	ret = rsnd_dai_connect(rdai, mod, io);
+
+	return ret;
+}
+
+static int rsnd_gen1_path_exit(struct rsnd_priv *priv,
+			       struct rsnd_dai *rdai,
+			       struct rsnd_dai_stream *io)
+{
+	struct rsnd_mod *mod, *n;
+	int ret = 0;
+
+	/*
+	 * remove all mod from rdai
+	 */
+	for_each_rsnd_mod(mod, n, io)
+		ret |= rsnd_dai_disconnect(mod);
+
+	return ret;
+}
+
+static struct rsnd_gen_ops rsnd_gen1_ops = {
+	.path_init	= rsnd_gen1_path_init,
+	.path_exit	= rsnd_gen1_path_exit,
+};
+
+#define RSND_GEN1_REG_MAP(g, s, i, oi, oa)				\
+	do {								\
+		(g)->reg_map[RSND_REG_##i].index  = RSND_GEN1_##s;	\
+		(g)->reg_map[RSND_REG_##i].offset_id = oi;		\
+		(g)->reg_map[RSND_REG_##i].offset_adr = oa;		\
+	} while (0)
+
+static void rsnd_gen1_reg_map_init(struct rsnd_gen *gen)
+{
+	RSND_GEN1_REG_MAP(gen, SRU,	SRC_ROUTE_SEL,	0x0,	0x00);
+	RSND_GEN1_REG_MAP(gen, SRU,	SRC_TMG_SEL0,	0x0,	0x08);
+	RSND_GEN1_REG_MAP(gen, SRU,	SRC_TMG_SEL1,	0x0,	0x0c);
+	RSND_GEN1_REG_MAP(gen, SRU,	SRC_TMG_SEL2,	0x0,	0x10);
+	RSND_GEN1_REG_MAP(gen, SRU,	SRC_CTRL,	0x0,	0xc0);
+	RSND_GEN1_REG_MAP(gen, SRU,	SSI_MODE0,	0x0,	0xD0);
+	RSND_GEN1_REG_MAP(gen, SRU,	SSI_MODE1,	0x0,	0xD4);
+	RSND_GEN1_REG_MAP(gen, SRU,	BUSIF_MODE,	0x4,	0x20);
+	RSND_GEN1_REG_MAP(gen, SRU,	BUSIF_ADINR,	0x40,	0x214);
+
+	RSND_GEN1_REG_MAP(gen, ADG,	BRRA,		0x0,	0x00);
+	RSND_GEN1_REG_MAP(gen, ADG,	BRRB,		0x0,	0x04);
+	RSND_GEN1_REG_MAP(gen, ADG,	SSICKR,		0x0,	0x08);
+	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL0,	0x0,	0x0c);
+	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL1,	0x0,	0x10);
+	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL3,	0x0,	0x18);
+	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL4,	0x0,	0x1c);
+	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL5,	0x0,	0x20);
+
+	RSND_GEN1_REG_MAP(gen, SSI,	SSICR,		0x40,	0x00);
+	RSND_GEN1_REG_MAP(gen, SSI,	SSISR,		0x40,	0x04);
+	RSND_GEN1_REG_MAP(gen, SSI,	SSITDR,		0x40,	0x08);
+	RSND_GEN1_REG_MAP(gen, SSI,	SSIRDR,		0x40,	0x0c);
+	RSND_GEN1_REG_MAP(gen, SSI,	SSIWSR,		0x40,	0x20);
+}
+
+static int rsnd_gen1_probe(struct platform_device *pdev,
+			   struct rcar_snd_info *info,
+			   struct rsnd_priv *priv)
+{
+	struct device *dev = rsnd_priv_to_dev(priv);
+	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+	struct resource *sru_res;
+	struct resource *adg_res;
+	struct resource *ssi_res;
+
+	/*
+	 * map address
+	 */
+	sru_res	= platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SRU);
+	adg_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_ADG);
+	ssi_res	= platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SSI);
+
+	gen->base[RSND_GEN1_SRU] = devm_ioremap_resource(dev, sru_res);
+	gen->base[RSND_GEN1_ADG] = devm_ioremap_resource(dev, adg_res);
+	gen->base[RSND_GEN1_SSI] = devm_ioremap_resource(dev, ssi_res);
+	if (IS_ERR(gen->base[RSND_GEN1_SRU]) ||
+	    IS_ERR(gen->base[RSND_GEN1_ADG]) ||
+	    IS_ERR(gen->base[RSND_GEN1_SSI]))
+		return -ENODEV;
+
+	gen->ops = &rsnd_gen1_ops;
+	rsnd_gen1_reg_map_init(gen);
+
+	dev_dbg(dev, "Gen1 device probed\n");
+	dev_dbg(dev, "SRU : %08x => %p\n",	sru_res->start,
+						gen->base[RSND_GEN1_SRU]);
+	dev_dbg(dev, "ADG : %08x => %p\n",	adg_res->start,
+						gen->base[RSND_GEN1_ADG]);
+	dev_dbg(dev, "SSI : %08x => %p\n",	ssi_res->start,
+						gen->base[RSND_GEN1_SSI]);
+
+	return 0;
+
+}
+
+static void rsnd_gen1_remove(struct platform_device *pdev,
+			     struct rsnd_priv *priv)
+{
+}
+
+/*
+ *		Gen
+ */
+int rsnd_gen_path_init(struct rsnd_priv *priv,
+		       struct rsnd_dai *rdai,
+		       struct rsnd_dai_stream *io)
+{
+	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+
+	return gen->ops->path_init(priv, rdai, io);
+}
+
+int rsnd_gen_path_exit(struct rsnd_priv *priv,
+		       struct rsnd_dai *rdai,
+		       struct rsnd_dai_stream *io)
+{
+	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+
+	return gen->ops->path_exit(priv, rdai, io);
+}
+
+void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
+			       struct rsnd_mod *mod,
+			       enum rsnd_reg reg)
+{
+	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+	struct device *dev = rsnd_priv_to_dev(priv);
+	int index;
+	u32 offset_id, offset_adr;
+
+	if (reg >= RSND_REG_MAX) {
+		dev_err(dev, "rsnd_reg reg error\n");
+		return NULL;
+	}
+
+	index		= gen->reg_map[reg].index;
+	offset_id	= gen->reg_map[reg].offset_id;
+	offset_adr	= gen->reg_map[reg].offset_adr;
+
+	if (index < 0) {
+		dev_err(dev, "unsupported reg access %d\n", reg);
+		return NULL;
+	}
+
+	if (offset_id && mod)
+		offset_id *= rsnd_mod_id(mod);
+
+	/*
+	 * index/offset were set on gen1/gen2
+	 */
+
+	return gen->base[index] + offset_id + offset_adr;
+}
+
+int rsnd_gen_probe(struct platform_device *pdev,
+		   struct rcar_snd_info *info,
+		   struct rsnd_priv *priv)
+{
+	struct device *dev = rsnd_priv_to_dev(priv);
+	struct rsnd_gen *gen;
+	int i;
+
+	gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
+	if (!gen) {
+		dev_err(dev, "GEN allocate failed\n");
+		return -ENOMEM;
+	}
+
+	priv->gen = gen;
+
+	/*
+	 * see
+	 *	rsnd_reg_get()
+	 *	rsnd_gen_probe()
+	 */
+	for (i = 0; i < RSND_REG_MAX; i++)
+		gen->reg_map[i].index = -1;
+
+	/*
+	 *	init each module
+	 */
+	if (rsnd_is_gen1(priv))
+		return rsnd_gen1_probe(pdev, info, priv);
+
+	dev_err(dev, "unknown generation R-Car sound device\n");
+
+	return -ENODEV;
+}
+
+void rsnd_gen_remove(struct platform_device *pdev,
+		     struct rsnd_priv *priv)
+{
+	if (rsnd_is_gen1(priv))
+		rsnd_gen1_remove(pdev, priv);
+}