mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-20 18:03:48 +07:00
2ea6b0749c
Current Renesas sound driver requests struct platform_device on probe/remove for each modules. But driver can get it by rsnd_priv_to_pdev(). This patch removes unnecessary parameter Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
154 lines
3.2 KiB
C
154 lines
3.2 KiB
C
/*
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* ctu.c
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*
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* Copyright (c) 2015 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include "rsnd.h"
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#define CTU_NAME_SIZE 16
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#define CTU_NAME "ctu"
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struct rsnd_ctu {
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struct rsnd_mod mod;
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};
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#define rsnd_ctu_nr(priv) ((priv)->ctu_nr)
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#define for_each_rsnd_ctu(pos, priv, i) \
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for ((i) = 0; \
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((i) < rsnd_ctu_nr(priv)) && \
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((pos) = (struct rsnd_ctu *)(priv)->ctu + i); \
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i++)
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#define rsnd_ctu_get(priv, id) ((struct rsnd_ctu *)(priv->ctu) + id)
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#define rsnd_ctu_initialize_lock(mod) __rsnd_ctu_initialize_lock(mod, 1)
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#define rsnd_ctu_initialize_unlock(mod) __rsnd_ctu_initialize_lock(mod, 0)
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static void __rsnd_ctu_initialize_lock(struct rsnd_mod *mod, u32 enable)
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{
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rsnd_mod_write(mod, CTU_CTUIR, enable);
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}
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static int rsnd_ctu_probe_(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io,
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struct rsnd_priv *priv)
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{
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return rsnd_cmd_attach(io, rsnd_mod_id(mod) / 4);
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}
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static int rsnd_ctu_init(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io,
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struct rsnd_priv *priv)
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{
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rsnd_mod_power_on(mod);
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rsnd_ctu_initialize_lock(mod);
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rsnd_mod_write(mod, CTU_ADINR, rsnd_get_adinr_chan(mod, io));
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rsnd_ctu_initialize_unlock(mod);
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return 0;
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}
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static int rsnd_ctu_quit(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io,
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struct rsnd_priv *priv)
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{
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rsnd_mod_power_off(mod);
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return 0;
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}
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static struct rsnd_mod_ops rsnd_ctu_ops = {
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.name = CTU_NAME,
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.probe = rsnd_ctu_probe_,
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.init = rsnd_ctu_init,
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.quit = rsnd_ctu_quit,
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};
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struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id)
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{
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if (WARN_ON(id < 0 || id >= rsnd_ctu_nr(priv)))
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id = 0;
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return rsnd_mod_get(rsnd_ctu_get(priv, id));
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}
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int rsnd_ctu_probe(struct rsnd_priv *priv)
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{
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struct device_node *node;
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struct device_node *np;
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struct device *dev = rsnd_priv_to_dev(priv);
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struct rsnd_ctu *ctu;
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struct clk *clk;
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char name[CTU_NAME_SIZE];
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int i, nr, ret;
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/* This driver doesn't support Gen1 at this point */
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if (rsnd_is_gen1(priv))
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return 0;
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node = rsnd_ctu_of_node(priv);
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if (!node)
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return 0; /* not used is not error */
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nr = of_get_child_count(node);
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if (!nr) {
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ret = -EINVAL;
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goto rsnd_ctu_probe_done;
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}
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ctu = devm_kzalloc(dev, sizeof(*ctu) * nr, GFP_KERNEL);
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if (!ctu) {
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ret = -ENOMEM;
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goto rsnd_ctu_probe_done;
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}
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priv->ctu_nr = nr;
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priv->ctu = ctu;
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i = 0;
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for_each_child_of_node(node, np) {
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ctu = rsnd_ctu_get(priv, i);
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/*
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* CTU00, CTU01, CTU02, CTU03 => CTU0
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* CTU10, CTU11, CTU12, CTU13 => CTU1
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*/
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snprintf(name, CTU_NAME_SIZE, "%s.%d",
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CTU_NAME, i / 4);
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clk = devm_clk_get(dev, name);
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if (IS_ERR(clk)) {
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ret = PTR_ERR(clk);
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goto rsnd_ctu_probe_done;
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}
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ret = rsnd_mod_init(priv, rsnd_mod_get(ctu), &rsnd_ctu_ops,
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clk, RSND_MOD_CTU, i);
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if (ret)
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goto rsnd_ctu_probe_done;
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i++;
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}
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rsnd_ctu_probe_done:
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of_node_put(node);
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return ret;
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}
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void rsnd_ctu_remove(struct rsnd_priv *priv)
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{
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struct rsnd_ctu *ctu;
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int i;
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for_each_rsnd_ctu(ctu, priv, i) {
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rsnd_mod_quit(rsnd_mod_get(ctu));
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}
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}
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