diff options
Diffstat (limited to 'sound/soc/sh/rcar/cmd.c')
| -rw-r--r-- | sound/soc/sh/rcar/cmd.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/sound/soc/sh/rcar/cmd.c b/sound/soc/sh/rcar/cmd.c deleted file mode 100644 index 329e6ab1b222..000000000000 --- a/sound/soc/sh/rcar/cmd.c +++ /dev/null @@ -1,195 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// Renesas R-Car CMD support -// -// Copyright (C) 2015 Renesas Solutions Corp. -// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - -#include "rsnd.h" - -struct rsnd_cmd { - struct rsnd_mod mod; -}; - -#define CMD_NAME "cmd" - -#define rsnd_cmd_nr(priv) ((priv)->cmd_nr) -#define for_each_rsnd_cmd(pos, priv, i) \ - for ((i) = 0; \ - ((i) < rsnd_cmd_nr(priv)) && \ - ((pos) = (struct rsnd_cmd *)(priv)->cmd + i); \ - i++) - -static int rsnd_cmd_init(struct rsnd_mod *mod, - struct rsnd_dai_stream *io, - struct rsnd_priv *priv) -{ - struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io); - struct rsnd_mod *mix = rsnd_io_to_mod_mix(io); - struct device *dev = rsnd_priv_to_dev(priv); - u32 data; - static const u32 path[] = { - [1] = 1 << 0, - [5] = 1 << 8, - [6] = 1 << 12, - [9] = 1 << 15, - }; - - if (!mix && !dvc) - return 0; - - if (ARRAY_SIZE(path) < rsnd_mod_id(mod) + 1) - return -ENXIO; - - if (mix) { - struct rsnd_dai *rdai; - int i; - - /* - * it is assuming that integrater is well understanding about - * data path. Here doesn't check impossible connection, - * like src2 + src5 - */ - data = 0; - for_each_rsnd_dai(rdai, priv, i) { - struct rsnd_dai_stream *tio = &rdai->playback; - struct rsnd_mod *src = rsnd_io_to_mod_src(tio); - - if (mix == rsnd_io_to_mod_mix(tio)) - data |= path[rsnd_mod_id(src)]; - - tio = &rdai->capture; - src = rsnd_io_to_mod_src(tio); - if (mix == rsnd_io_to_mod_mix(tio)) - data |= path[rsnd_mod_id(src)]; - } - - } else { - struct rsnd_mod *src = rsnd_io_to_mod_src(io); - - static const u8 cmd_case[] = { - [0] = 0x3, - [1] = 0x3, - [2] = 0x4, - [3] = 0x1, - [4] = 0x2, - [5] = 0x4, - [6] = 0x1, - [9] = 0x2, - }; - - if (unlikely(!src)) - return -EIO; - - data = path[rsnd_mod_id(src)] | - cmd_case[rsnd_mod_id(src)] << 16; - } - - dev_dbg(dev, "ctu/mix path = 0x%08x\n", data); - - rsnd_mod_write(mod, CMD_ROUTE_SLCT, data); - rsnd_mod_write(mod, CMD_BUSIF_MODE, rsnd_get_busif_shift(io, mod) | 1); - rsnd_mod_write(mod, CMD_BUSIF_DALIGN, rsnd_get_dalign(mod, io)); - - rsnd_adg_set_cmd_timsel_gen2(mod, io); - - return 0; -} - -static int rsnd_cmd_start(struct rsnd_mod *mod, - struct rsnd_dai_stream *io, - struct rsnd_priv *priv) -{ - rsnd_mod_write(mod, CMD_CTRL, 0x10); - - return 0; -} - -static int rsnd_cmd_stop(struct rsnd_mod *mod, - struct rsnd_dai_stream *io, - struct rsnd_priv *priv) -{ - rsnd_mod_write(mod, CMD_CTRL, 0); - - return 0; -} - -#ifdef CONFIG_DEBUG_FS -static void rsnd_cmd_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, - 0x180 + rsnd_mod_id_raw(mod) * 0x20, 0x30); -} -#define DEBUG_INFO .debug_info = rsnd_cmd_debug_info -#else -#define DEBUG_INFO -#endif - -static struct rsnd_mod_ops rsnd_cmd_ops = { - .name = CMD_NAME, - .init = rsnd_cmd_init, - .start = rsnd_cmd_start, - .stop = rsnd_cmd_stop, - .get_status = rsnd_mod_get_status, - DEBUG_INFO -}; - -static struct rsnd_mod *rsnd_cmd_mod_get(struct rsnd_priv *priv, int id) -{ - if (WARN_ON(id < 0 || id >= rsnd_cmd_nr(priv))) - id = 0; - - return rsnd_mod_get((struct rsnd_cmd *)(priv->cmd) + id); -} -int rsnd_cmd_attach(struct rsnd_dai_stream *io, int id) -{ - struct rsnd_priv *priv = rsnd_io_to_priv(io); - struct rsnd_mod *mod = rsnd_cmd_mod_get(priv, id); - - return rsnd_dai_connect(mod, io, mod->type); -} - -int rsnd_cmd_probe(struct rsnd_priv *priv) -{ - struct device *dev = rsnd_priv_to_dev(priv); - struct rsnd_cmd *cmd; - int i, nr; - - /* This driver doesn't support Gen1 at this point */ - if (rsnd_is_gen1(priv)) - return 0; - - /* same number as DVC */ - nr = priv->dvc_nr; - if (!nr) - return 0; - - cmd = devm_kcalloc(dev, nr, sizeof(*cmd), GFP_KERNEL); - if (!cmd) - return -ENOMEM; - - priv->cmd_nr = nr; - priv->cmd = cmd; - - for_each_rsnd_cmd(cmd, priv, i) { - int ret = rsnd_mod_init(priv, rsnd_mod_get(cmd), - &rsnd_cmd_ops, NULL, - RSND_MOD_CMD, i); - if (ret) - return ret; - } - - return 0; -} - -void rsnd_cmd_remove(struct rsnd_priv *priv) -{ - struct rsnd_cmd *cmd; - int i; - - for_each_rsnd_cmd(cmd, priv, i) { - rsnd_mod_quit(rsnd_mod_get(cmd)); - } -} |