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Diffstat (limited to 'sound/soc/sh/rcar/mix.c')
-rw-r--r--sound/soc/sh/rcar/mix.c360
1 files changed, 0 insertions, 360 deletions
diff --git a/sound/soc/sh/rcar/mix.c b/sound/soc/sh/rcar/mix.c
deleted file mode 100644
index 1de0e085804c..000000000000
--- a/sound/soc/sh/rcar/mix.c
+++ /dev/null
@@ -1,360 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// mix.c
-//
-// Copyright (c) 2015 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
-
-/*
- * CTUn MIXn
- * +------+ +------+
- * [SRC3 / SRC6] -> |CTU n0| -> [MIX n0| ->
- * [SRC4 / SRC9] -> |CTU n1| -> [MIX n1| ->
- * [SRC0 / SRC1] -> |CTU n2| -> [MIX n2| ->
- * [SRC2 / SRC5] -> |CTU n3| -> [MIX n3| ->
- * +------+ +------+
- *
- * ex)
- * DAI0 : playback = <&src0 &ctu02 &mix0 &dvc0 &ssi0>;
- * DAI1 : playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>;
- *
- * MIX Volume
- * amixer set "MIX",0 100% // DAI0 Volume
- * amixer set "MIX",1 100% // DAI1 Volume
- *
- * Volume Ramp
- * amixer set "MIX Ramp Up Rate" "0.125 dB/1 step"
- * amixer set "MIX Ramp Down Rate" "4 dB/1 step"
- * amixer set "MIX Ramp" on
- * aplay xxx.wav &
- * amixer set "MIX",0 80% // DAI0 Volume Down
- * amixer set "MIX",1 100% // DAI1 Volume Up
- */
-
-#include "rsnd.h"
-
-#define MIX_NAME_SIZE 16
-#define MIX_NAME "mix"
-
-struct rsnd_mix {
- struct rsnd_mod mod;
- struct rsnd_kctrl_cfg_s volumeA; /* MDBAR */
- struct rsnd_kctrl_cfg_s volumeB; /* MDBBR */
- struct rsnd_kctrl_cfg_s volumeC; /* MDBCR */
- struct rsnd_kctrl_cfg_s volumeD; /* MDBDR */
- struct rsnd_kctrl_cfg_s ren; /* Ramp Enable */
- struct rsnd_kctrl_cfg_s rup; /* Ramp Rate Up */
- struct rsnd_kctrl_cfg_s rdw; /* Ramp Rate Down */
- u32 flags;
-};
-
-#define ONCE_KCTRL_INITIALIZED (1 << 0)
-#define HAS_VOLA (1 << 1)
-#define HAS_VOLB (1 << 2)
-#define HAS_VOLC (1 << 3)
-#define HAS_VOLD (1 << 4)
-
-#define VOL_MAX 0x3ff
-
-#define rsnd_mod_to_mix(_mod) \
- container_of((_mod), struct rsnd_mix, mod)
-
-#define rsnd_mix_get(priv, id) ((struct rsnd_mix *)(priv->mix) + id)
-#define rsnd_mix_nr(priv) ((priv)->mix_nr)
-#define for_each_rsnd_mix(pos, priv, i) \
- for ((i) = 0; \
- ((i) < rsnd_mix_nr(priv)) && \
- ((pos) = (struct rsnd_mix *)(priv)->mix + i); \
- i++)
-
-static void rsnd_mix_activation(struct rsnd_mod *mod)
-{
- rsnd_mod_write(mod, MIX_SWRSR, 0);
- rsnd_mod_write(mod, MIX_SWRSR, 1);
-}
-
-static void rsnd_mix_halt(struct rsnd_mod *mod)
-{
- rsnd_mod_write(mod, MIX_MIXIR, 1);
- rsnd_mod_write(mod, MIX_SWRSR, 0);
-}
-
-#define rsnd_mix_get_vol(mix, X) \
- rsnd_flags_has(mix, HAS_VOL##X) ? \
- (VOL_MAX - rsnd_kctrl_vals(mix->volume##X)) : 0
-static void rsnd_mix_volume_parameter(struct rsnd_dai_stream *io,
- struct rsnd_mod *mod)
-{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
- struct device *dev = rsnd_priv_to_dev(priv);
- struct rsnd_mix *mix = rsnd_mod_to_mix(mod);
- u32 volA = rsnd_mix_get_vol(mix, A);
- u32 volB = rsnd_mix_get_vol(mix, B);
- u32 volC = rsnd_mix_get_vol(mix, C);
- u32 volD = rsnd_mix_get_vol(mix, D);
-
- dev_dbg(dev, "MIX A/B/C/D = %02x/%02x/%02x/%02x\n",
- volA, volB, volC, volD);
-
- rsnd_mod_write(mod, MIX_MDBAR, volA);
- rsnd_mod_write(mod, MIX_MDBBR, volB);
- rsnd_mod_write(mod, MIX_MDBCR, volC);
- rsnd_mod_write(mod, MIX_MDBDR, volD);
-}
-
-static void rsnd_mix_volume_init(struct rsnd_dai_stream *io,
- struct rsnd_mod *mod)
-{
- struct rsnd_mix *mix = rsnd_mod_to_mix(mod);
-
- rsnd_mod_write(mod, MIX_MIXIR, 1);
-
- /* General Information */
- rsnd_mod_write(mod, MIX_ADINR, rsnd_runtime_channel_after_ctu(io));
-
- /* volume step */
- rsnd_mod_write(mod, MIX_MIXMR, rsnd_kctrl_vals(mix->ren));
- rsnd_mod_write(mod, MIX_MVPDR, rsnd_kctrl_vals(mix->rup) << 8 |
- rsnd_kctrl_vals(mix->rdw));
-
- /* common volume parameter */
- rsnd_mix_volume_parameter(io, mod);
-
- rsnd_mod_write(mod, MIX_MIXIR, 0);
-}
-
-static void rsnd_mix_volume_update(struct rsnd_dai_stream *io,
- struct rsnd_mod *mod)
-{
- /* Disable MIX dB setting */
- rsnd_mod_write(mod, MIX_MDBER, 0);
-
- /* common volume parameter */
- rsnd_mix_volume_parameter(io, mod);
-
- /* Enable MIX dB setting */
- rsnd_mod_write(mod, MIX_MDBER, 1);
-}
-
-static int rsnd_mix_probe_(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct rsnd_priv *priv)
-{
- return rsnd_cmd_attach(io, rsnd_mod_id(mod));
-}
-
-static int rsnd_mix_init(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct rsnd_priv *priv)
-{
- int ret;
-
- ret = rsnd_mod_power_on(mod);
- if (ret < 0)
- return ret;
-
- rsnd_mix_activation(mod);
-
- rsnd_mix_volume_init(io, mod);
-
- rsnd_mix_volume_update(io, mod);
-
- return 0;
-}
-
-static int rsnd_mix_quit(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct rsnd_priv *priv)
-{
- rsnd_mix_halt(mod);
-
- rsnd_mod_power_off(mod);
-
- return 0;
-}
-
-static int rsnd_mix_pcm_new(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct snd_soc_pcm_runtime *rtd)
-{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
- struct device *dev = rsnd_priv_to_dev(priv);
- struct rsnd_mix *mix = rsnd_mod_to_mix(mod);
- struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
- struct rsnd_kctrl_cfg_s *volume;
- int ret;
-
- switch (rsnd_mod_id(src_mod)) {
- case 3:
- case 6: /* MDBAR */
- volume = &mix->volumeA;
- rsnd_flags_set(mix, HAS_VOLA);
- break;
- case 4:
- case 9: /* MDBBR */
- volume = &mix->volumeB;
- rsnd_flags_set(mix, HAS_VOLB);
- break;
- case 0:
- case 1: /* MDBCR */
- volume = &mix->volumeC;
- rsnd_flags_set(mix, HAS_VOLC);
- break;
- case 2:
- case 5: /* MDBDR */
- volume = &mix->volumeD;
- rsnd_flags_set(mix, HAS_VOLD);
- break;
- default:
- dev_err(dev, "unknown SRC is connected\n");
- return -EINVAL;
- }
-
- /* Volume */
- ret = rsnd_kctrl_new_s(mod, io, rtd,
- "MIX Playback Volume",
- rsnd_kctrl_accept_anytime,
- rsnd_mix_volume_update,
- volume, VOL_MAX);
- if (ret < 0)
- return ret;
- rsnd_kctrl_vals(*volume) = VOL_MAX;
-
- if (rsnd_flags_has(mix, ONCE_KCTRL_INITIALIZED))
- return ret;
-
- /* Ramp */
- ret = rsnd_kctrl_new_s(mod, io, rtd,
- "MIX Ramp Switch",
- rsnd_kctrl_accept_anytime,
- rsnd_mix_volume_update,
- &mix->ren, 1);
- if (ret < 0)
- return ret;
-
- ret = rsnd_kctrl_new_e(mod, io, rtd,
- "MIX Ramp Up Rate",
- rsnd_kctrl_accept_anytime,
- rsnd_mix_volume_update,
- &mix->rup,
- volume_ramp_rate,
- VOLUME_RAMP_MAX_MIX);
- if (ret < 0)
- return ret;
-
- ret = rsnd_kctrl_new_e(mod, io, rtd,
- "MIX Ramp Down Rate",
- rsnd_kctrl_accept_anytime,
- rsnd_mix_volume_update,
- &mix->rdw,
- volume_ramp_rate,
- VOLUME_RAMP_MAX_MIX);
-
- rsnd_flags_set(mix, ONCE_KCTRL_INITIALIZED);
-
- return ret;
-}
-
-#ifdef CONFIG_DEBUG_FS
-static void rsnd_mix_debug_info(struct seq_file *m,
- struct rsnd_dai_stream *io,
- struct rsnd_mod *mod)
-{
- rsnd_debugfs_mod_reg_show(m, mod, RSND_GEN2_SCU,
- 0xd00 + rsnd_mod_id(mod) * 0x40, 0x30);
-}
-#define DEBUG_INFO .debug_info = rsnd_mix_debug_info
-#else
-#define DEBUG_INFO
-#endif
-
-static struct rsnd_mod_ops rsnd_mix_ops = {
- .name = MIX_NAME,
- .probe = rsnd_mix_probe_,
- .init = rsnd_mix_init,
- .quit = rsnd_mix_quit,
- .pcm_new = rsnd_mix_pcm_new,
- .get_status = rsnd_mod_get_status,
- DEBUG_INFO
-};
-
-struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id)
-{
- if (WARN_ON(id < 0 || id >= rsnd_mix_nr(priv)))
- id = 0;
-
- return rsnd_mod_get(rsnd_mix_get(priv, id));
-}
-
-int rsnd_mix_probe(struct rsnd_priv *priv)
-{
- struct device_node *node;
- struct device_node *np;
- struct device *dev = rsnd_priv_to_dev(priv);
- struct rsnd_mix *mix;
- struct clk *clk;
- char name[MIX_NAME_SIZE];
- int i, nr, ret;
-
- /* This driver doesn't support Gen1 at this point */
- if (rsnd_is_gen1(priv))
- return 0;
-
- node = rsnd_mix_of_node(priv);
- if (!node)
- return 0; /* not used is not error */
-
- nr = of_get_child_count(node);
- if (!nr) {
- ret = -EINVAL;
- goto rsnd_mix_probe_done;
- }
-
- mix = devm_kcalloc(dev, nr, sizeof(*mix), GFP_KERNEL);
- if (!mix) {
- ret = -ENOMEM;
- goto rsnd_mix_probe_done;
- }
-
- priv->mix_nr = nr;
- priv->mix = mix;
-
- i = 0;
- ret = 0;
- for_each_child_of_node(node, np) {
- mix = rsnd_mix_get(priv, i);
-
- snprintf(name, MIX_NAME_SIZE, "%s.%d",
- MIX_NAME, i);
-
- clk = devm_clk_get(dev, name);
- if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
- of_node_put(np);
- goto rsnd_mix_probe_done;
- }
-
- ret = rsnd_mod_init(priv, rsnd_mod_get(mix), &rsnd_mix_ops,
- clk, RSND_MOD_MIX, i);
- if (ret) {
- of_node_put(np);
- goto rsnd_mix_probe_done;
- }
-
- i++;
- }
-
-rsnd_mix_probe_done:
- of_node_put(node);
-
- return ret;
-}
-
-void rsnd_mix_remove(struct rsnd_priv *priv)
-{
- struct rsnd_mix *mix;
- int i;
-
- for_each_rsnd_mix(mix, priv, i) {
- rsnd_mod_quit(rsnd_mod_get(mix));
- }
-}
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