/* * SSI PIO */ static void rsnd_ssi_parent_attach(struct rsnd_mod *mod, struct rsnd_dai_stream *io) { struct rsnd_dai *rdai = rsnd_io_to_rdai(io); struct rsnd_priv *priv = rsnd_mod_to_priv(mod); if (!__rsnd_ssi_is_pin_sharing(mod)) return; if (!rsnd_rdai_is_clk_master(rdai)) return; switch (rsnd_mod_id(mod)) { case 1: case 2: rsnd_dai_connect(rsnd_ssi_mod_get(priv, 0), io, RSND_MOD_SSIP); break; case 4: rsnd_dai_connect(rsnd_ssi_mod_get(priv, 3), io, RSND_MOD_SSIP); break; case 8: rsnd_dai_connect(rsnd_ssi_mod_get(priv, 7), io, RSND_MOD_SSIP); break; } }
int rsnd_ssiu_attach(struct rsnd_dai_stream *io, struct rsnd_mod *ssi_mod) { struct rsnd_priv *priv = rsnd_io_to_priv(io); struct rsnd_mod *mod = rsnd_ssiu_mod_get(priv, rsnd_mod_id(ssi_mod)); rsnd_mod_confirm_ssi(ssi_mod); return rsnd_dai_connect(mod, io, mod->type); }
/* * 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; }
/* * ssi mod function */ static void rsnd_ssi_connect(struct rsnd_mod *mod, struct rsnd_dai_stream *io) { struct rsnd_dai *rdai = rsnd_io_to_rdai(io); enum rsnd_mod_type types[] = { RSND_MOD_SSI, RSND_MOD_SSIM1, RSND_MOD_SSIM2, RSND_MOD_SSIM3, }; enum rsnd_mod_type type; int i; /* try SSI -> SSIM1 -> SSIM2 -> SSIM3 */ for (i = 0; i < ARRAY_SIZE(types); i++) { type = types[i]; if (!rsnd_io_to_mod(io, type)) { rsnd_dai_connect(mod, io, type); rsnd_set_slot(rdai, 2 * (i + 1), (i + 1)); return; } } }