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Diffstat (limited to 'sound/soc/sh/rcar/dvc.c')
-rw-r--r--sound/soc/sh/rcar/dvc.c396
1 files changed, 0 insertions, 396 deletions
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
deleted file mode 100644
index 16befcbc312c..000000000000
--- a/sound/soc/sh/rcar/dvc.c
+++ /dev/null
@@ -1,396 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Renesas R-Car DVC support
-//
-// Copyright (C) 2014 Renesas Solutions Corp.
-// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
-
-/*
- * Playback Volume
- * amixer set "DVC Out" 100%
- *
- * Capture Volume
- * amixer set "DVC In" 100%
- *
- * Playback Mute
- * amixer set "DVC Out Mute" on
- *
- * Capture Mute
- * amixer set "DVC In Mute" on
- *
- * Volume Ramp
- * amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
- * amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
- * amixer set "DVC Out Ramp" on
- * aplay xxx.wav &
- * amixer set "DVC Out" 80% // Volume Down
- * amixer set "DVC Out" 100% // Volume Up
- */
-
-#include "rsnd.h"
-
-#define RSND_DVC_NAME_SIZE 16
-
-#define DVC_NAME "dvc"
-
-struct rsnd_dvc {
- struct rsnd_mod mod;
- struct rsnd_kctrl_cfg_m volume;
- struct rsnd_kctrl_cfg_m mute;
- struct rsnd_kctrl_cfg_s ren; /* Ramp Enable */
- struct rsnd_kctrl_cfg_s rup; /* Ramp Rate Up */
- struct rsnd_kctrl_cfg_s rdown; /* Ramp Rate Down */
-};
-
-#define rsnd_dvc_get(priv, id) ((struct rsnd_dvc *)(priv->dvc) + id)
-#define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
-
-#define rsnd_mod_to_dvc(_mod) \
- container_of((_mod), struct rsnd_dvc, mod)
-
-#define for_each_rsnd_dvc(pos, priv, i) \
- for ((i) = 0; \
- ((i) < rsnd_dvc_nr(priv)) && \
- ((pos) = (struct rsnd_dvc *)(priv)->dvc + i); \
- i++)
-
-static void rsnd_dvc_activation(struct rsnd_mod *mod)
-{
- rsnd_mod_write(mod, DVC_SWRSR, 0);
- rsnd_mod_write(mod, DVC_SWRSR, 1);
-}
-
-static void rsnd_dvc_halt(struct rsnd_mod *mod)
-{
- rsnd_mod_write(mod, DVC_DVUIR, 1);
- rsnd_mod_write(mod, DVC_SWRSR, 0);
-}
-
-#define rsnd_dvc_get_vrpdr(dvc) (rsnd_kctrl_vals(dvc->rup) << 8 | \
- rsnd_kctrl_vals(dvc->rdown))
-#define rsnd_dvc_get_vrdbr(dvc) (0x3ff - (rsnd_kctrl_valm(dvc->volume, 0) >> 13))
-
-static void rsnd_dvc_volume_parameter(struct rsnd_dai_stream *io,
- struct rsnd_mod *mod)
-{
- struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
- u32 val[RSND_MAX_CHANNELS];
- int i;
-
- /* Enable Ramp */
- if (rsnd_kctrl_vals(dvc->ren))
- for (i = 0; i < RSND_MAX_CHANNELS; i++)
- val[i] = rsnd_kctrl_max(dvc->volume);
- else
- for (i = 0; i < RSND_MAX_CHANNELS; i++)
- val[i] = rsnd_kctrl_valm(dvc->volume, i);
-
- /* Enable Digital Volume */
- for (i = 0; i < RSND_MAX_CHANNELS; i++)
- rsnd_mod_write(mod, DVC_VOLxR(i), val[i]);
-}
-
-static void rsnd_dvc_volume_init(struct rsnd_dai_stream *io,
- struct rsnd_mod *mod)
-{
- struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
- u32 adinr = 0;
- u32 dvucr = 0;
- u32 vrctr = 0;
- u32 vrpdr = 0;
- u32 vrdbr = 0;
-
- adinr = rsnd_get_adinr_bit(mod, io) |
- rsnd_runtime_channel_after_ctu(io);
-
- /* Enable Digital Volume, Zero Cross Mute Mode */
- dvucr |= 0x101;
-
- /* Enable Ramp */
- if (rsnd_kctrl_vals(dvc->ren)) {
- dvucr |= 0x10;
-
- /*
- * FIXME !!
- * use scale-downed Digital Volume
- * as Volume Ramp
- * 7F FFFF -> 3FF
- */
- vrctr = 0xff;
- vrpdr = rsnd_dvc_get_vrpdr(dvc);
- vrdbr = rsnd_dvc_get_vrdbr(dvc);
- }
-
- /* Initialize operation */
- rsnd_mod_write(mod, DVC_DVUIR, 1);
-
- /* General Information */
- rsnd_mod_write(mod, DVC_ADINR, adinr);
- rsnd_mod_write(mod, DVC_DVUCR, dvucr);
-
- /* Volume Ramp Parameter */
- rsnd_mod_write(mod, DVC_VRCTR, vrctr);
- rsnd_mod_write(mod, DVC_VRPDR, vrpdr);
- rsnd_mod_write(mod, DVC_VRDBR, vrdbr);
-
- /* Digital Volume Function Parameter */
- rsnd_dvc_volume_parameter(io, mod);
-
- /* cancel operation */
- rsnd_mod_write(mod, DVC_DVUIR, 0);
-}
-
-static void rsnd_dvc_volume_update(struct rsnd_dai_stream *io,
- struct rsnd_mod *mod)
-{
- struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
- u32 zcmcr = 0;
- u32 vrpdr = 0;
- u32 vrdbr = 0;
- int i;
-
- for (i = 0; i < rsnd_kctrl_size(dvc->mute); i++)
- zcmcr |= (!!rsnd_kctrl_valm(dvc->mute, i)) << i;
-
- if (rsnd_kctrl_vals(dvc->ren)) {
- vrpdr = rsnd_dvc_get_vrpdr(dvc);
- vrdbr = rsnd_dvc_get_vrdbr(dvc);
- }
-
- /* Disable DVC Register access */
- rsnd_mod_write(mod, DVC_DVUER, 0);
-
- /* Zero Cross Mute Function */
- rsnd_mod_write(mod, DVC_ZCMCR, zcmcr);
-
- /* Volume Ramp Function */
- rsnd_mod_write(mod, DVC_VRPDR, vrpdr);
- rsnd_mod_write(mod, DVC_VRDBR, vrdbr);
- /* add DVC_VRWTR here */
-
- /* Digital Volume Function Parameter */
- rsnd_dvc_volume_parameter(io, mod);
-
- /* Enable DVC Register access */
- rsnd_mod_write(mod, DVC_DVUER, 1);
-}
-
-static int rsnd_dvc_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_dvc_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_dvc_activation(mod);
-
- rsnd_dvc_volume_init(io, mod);
-
- rsnd_dvc_volume_update(io, mod);
-
- return 0;
-}
-
-static int rsnd_dvc_quit(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct rsnd_priv *priv)
-{
- rsnd_dvc_halt(mod);
-
- rsnd_mod_power_off(mod);
-
- return 0;
-}
-
-static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct snd_soc_pcm_runtime *rtd)
-{
- struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
- struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
- int is_play = rsnd_io_is_play(io);
- int channels = rsnd_rdai_channels_get(rdai);
- int ret;
-
- /* Volume */
- ret = rsnd_kctrl_new_m(mod, io, rtd,
- is_play ?
- "DVC Out Playback Volume" : "DVC In Capture Volume",
- rsnd_kctrl_accept_anytime,
- rsnd_dvc_volume_update,
- &dvc->volume, channels,
- 0x00800000 - 1);
- if (ret < 0)
- return ret;
-
- /* Mute */
- ret = rsnd_kctrl_new_m(mod, io, rtd,
- is_play ?
- "DVC Out Mute Switch" : "DVC In Mute Switch",
- rsnd_kctrl_accept_anytime,
- rsnd_dvc_volume_update,
- &dvc->mute, channels,
- 1);
- if (ret < 0)
- return ret;
-
- /* Ramp */
- ret = rsnd_kctrl_new_s(mod, io, rtd,
- is_play ?
- "DVC Out Ramp Switch" : "DVC In Ramp Switch",
- rsnd_kctrl_accept_anytime,
- rsnd_dvc_volume_update,
- &dvc->ren, 1);
- if (ret < 0)
- return ret;
-
- ret = rsnd_kctrl_new_e(mod, io, rtd,
- is_play ?
- "DVC Out Ramp Up Rate" : "DVC In Ramp Up Rate",
- rsnd_kctrl_accept_anytime,
- rsnd_dvc_volume_update,
- &dvc->rup,
- volume_ramp_rate,
- VOLUME_RAMP_MAX_DVC);
- if (ret < 0)
- return ret;
-
- ret = rsnd_kctrl_new_e(mod, io, rtd,
- is_play ?
- "DVC Out Ramp Down Rate" : "DVC In Ramp Down Rate",
- rsnd_kctrl_accept_anytime,
- rsnd_dvc_volume_update,
- &dvc->rdown,
- volume_ramp_rate,
- VOLUME_RAMP_MAX_DVC);
-
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static struct dma_chan *rsnd_dvc_dma_req(struct rsnd_dai_stream *io,
- struct rsnd_mod *mod)
-{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
-
- return rsnd_dma_request_channel(rsnd_dvc_of_node(priv),
- DVC_NAME, mod, "tx");
-}
-
-#ifdef CONFIG_DEBUG_FS
-static void rsnd_dvc_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,
- 0xe00 + rsnd_mod_id(mod) * 0x100, 0x60);
-}
-#define DEBUG_INFO .debug_info = rsnd_dvc_debug_info
-#else
-#define DEBUG_INFO
-#endif
-
-static struct rsnd_mod_ops rsnd_dvc_ops = {
- .name = DVC_NAME,
- .dma_req = rsnd_dvc_dma_req,
- .probe = rsnd_dvc_probe_,
- .init = rsnd_dvc_init,
- .quit = rsnd_dvc_quit,
- .pcm_new = rsnd_dvc_pcm_new,
- .get_status = rsnd_mod_get_status,
- DEBUG_INFO
-};
-
-struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id)
-{
- if (WARN_ON(id < 0 || id >= rsnd_dvc_nr(priv)))
- id = 0;
-
- return rsnd_mod_get(rsnd_dvc_get(priv, id));
-}
-
-int rsnd_dvc_probe(struct rsnd_priv *priv)
-{
- struct device_node *node;
- struct device_node *np;
- struct device *dev = rsnd_priv_to_dev(priv);
- struct rsnd_dvc *dvc;
- struct clk *clk;
- char name[RSND_DVC_NAME_SIZE];
- int i, nr, ret;
-
- /* This driver doesn't support Gen1 at this point */
- if (rsnd_is_gen1(priv))
- return 0;
-
- node = rsnd_dvc_of_node(priv);
- if (!node)
- return 0; /* not used is not error */
-
- nr = of_get_child_count(node);
- if (!nr) {
- ret = -EINVAL;
- goto rsnd_dvc_probe_done;
- }
-
- dvc = devm_kcalloc(dev, nr, sizeof(*dvc), GFP_KERNEL);
- if (!dvc) {
- ret = -ENOMEM;
- goto rsnd_dvc_probe_done;
- }
-
- priv->dvc_nr = nr;
- priv->dvc = dvc;
-
- i = 0;
- ret = 0;
- for_each_child_of_node(node, np) {
- dvc = rsnd_dvc_get(priv, i);
-
- snprintf(name, RSND_DVC_NAME_SIZE, "%s.%d",
- DVC_NAME, i);
-
- clk = devm_clk_get(dev, name);
- if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
- of_node_put(np);
- goto rsnd_dvc_probe_done;
- }
-
- ret = rsnd_mod_init(priv, rsnd_mod_get(dvc), &rsnd_dvc_ops,
- clk, RSND_MOD_DVC, i);
- if (ret) {
- of_node_put(np);
- goto rsnd_dvc_probe_done;
- }
-
- i++;
- }
-
-rsnd_dvc_probe_done:
- of_node_put(node);
-
- return ret;
-}
-
-void rsnd_dvc_remove(struct rsnd_priv *priv)
-{
- struct rsnd_dvc *dvc;
- int i;
-
- for_each_rsnd_dvc(dvc, priv, i) {
- rsnd_mod_quit(rsnd_mod_get(dvc));
- }
-}