13337744aSKuninori Morimoto /* 23337744aSKuninori Morimoto * Renesas R-Car Gen1 SRU/SSI support 33337744aSKuninori Morimoto * 43337744aSKuninori Morimoto * Copyright (C) 2013 Renesas Solutions Corp. 53337744aSKuninori Morimoto * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 63337744aSKuninori Morimoto * 73337744aSKuninori Morimoto * This program is free software; you can redistribute it and/or modify 83337744aSKuninori Morimoto * it under the terms of the GNU General Public License version 2 as 93337744aSKuninori Morimoto * published by the Free Software Foundation. 103337744aSKuninori Morimoto */ 113337744aSKuninori Morimoto #include "rsnd.h" 123337744aSKuninori Morimoto 133337744aSKuninori Morimoto struct rsnd_gen_ops { 14072188b6SKuninori Morimoto int (*probe)(struct platform_device *pdev, 15072188b6SKuninori Morimoto struct rcar_snd_info *info, 16072188b6SKuninori Morimoto struct rsnd_priv *priv); 17072188b6SKuninori Morimoto void (*remove)(struct platform_device *pdev, 18072188b6SKuninori Morimoto struct rsnd_priv *priv); 193337744aSKuninori Morimoto int (*path_init)(struct rsnd_priv *priv, 203337744aSKuninori Morimoto struct rsnd_dai *rdai, 213337744aSKuninori Morimoto struct rsnd_dai_stream *io); 223337744aSKuninori Morimoto int (*path_exit)(struct rsnd_priv *priv, 233337744aSKuninori Morimoto struct rsnd_dai *rdai, 243337744aSKuninori Morimoto struct rsnd_dai_stream *io); 253337744aSKuninori Morimoto }; 263337744aSKuninori Morimoto 273337744aSKuninori Morimoto struct rsnd_gen { 283337744aSKuninori Morimoto void __iomem *base[RSND_BASE_MAX]; 293337744aSKuninori Morimoto 303337744aSKuninori Morimoto struct rsnd_gen_ops *ops; 3155e5b6fdSKuninori Morimoto 3255e5b6fdSKuninori Morimoto struct regmap *regmap; 3355e5b6fdSKuninori Morimoto struct regmap_field *regs[RSND_REG_MAX]; 343337744aSKuninori Morimoto }; 353337744aSKuninori Morimoto 363337744aSKuninori Morimoto #define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen) 373337744aSKuninori Morimoto 3855e5b6fdSKuninori Morimoto #define RSND_REG_SET(gen, id, reg_id, offset, _id_offset, _id_size) \ 3955e5b6fdSKuninori Morimoto [id] = { \ 4055e5b6fdSKuninori Morimoto .reg = (unsigned int)gen->base[reg_id] + offset, \ 4155e5b6fdSKuninori Morimoto .lsb = 0, \ 4255e5b6fdSKuninori Morimoto .msb = 31, \ 4355e5b6fdSKuninori Morimoto .id_size = _id_size, \ 4455e5b6fdSKuninori Morimoto .id_offset = _id_offset, \ 4555e5b6fdSKuninori Morimoto } 4655e5b6fdSKuninori Morimoto 4755e5b6fdSKuninori Morimoto /* 4855e5b6fdSKuninori Morimoto * basic function 4955e5b6fdSKuninori Morimoto */ 5055e5b6fdSKuninori Morimoto static int rsnd_regmap_write32(void *context, const void *_data, size_t count) 5155e5b6fdSKuninori Morimoto { 5255e5b6fdSKuninori Morimoto struct rsnd_priv *priv = context; 5355e5b6fdSKuninori Morimoto struct device *dev = rsnd_priv_to_dev(priv); 5455e5b6fdSKuninori Morimoto u32 *data = (u32 *)_data; 5555e5b6fdSKuninori Morimoto u32 val = data[1]; 5655e5b6fdSKuninori Morimoto void __iomem *reg = (void *)data[0]; 5755e5b6fdSKuninori Morimoto 5855e5b6fdSKuninori Morimoto iowrite32(val, reg); 5955e5b6fdSKuninori Morimoto 6055e5b6fdSKuninori Morimoto dev_dbg(dev, "w %p : %08x\n", reg, val); 6155e5b6fdSKuninori Morimoto 6255e5b6fdSKuninori Morimoto return 0; 6355e5b6fdSKuninori Morimoto } 6455e5b6fdSKuninori Morimoto 6555e5b6fdSKuninori Morimoto static int rsnd_regmap_read32(void *context, 6655e5b6fdSKuninori Morimoto const void *_data, size_t reg_size, 6755e5b6fdSKuninori Morimoto void *_val, size_t val_size) 6855e5b6fdSKuninori Morimoto { 6955e5b6fdSKuninori Morimoto struct rsnd_priv *priv = context; 7055e5b6fdSKuninori Morimoto struct device *dev = rsnd_priv_to_dev(priv); 7155e5b6fdSKuninori Morimoto u32 *data = (u32 *)_data; 7255e5b6fdSKuninori Morimoto u32 *val = (u32 *)_val; 7355e5b6fdSKuninori Morimoto void __iomem *reg = (void *)data[0]; 7455e5b6fdSKuninori Morimoto 7555e5b6fdSKuninori Morimoto *val = ioread32(reg); 7655e5b6fdSKuninori Morimoto 7755e5b6fdSKuninori Morimoto dev_dbg(dev, "r %p : %08x\n", reg, *val); 7855e5b6fdSKuninori Morimoto 7955e5b6fdSKuninori Morimoto return 0; 8055e5b6fdSKuninori Morimoto } 8155e5b6fdSKuninori Morimoto 8255e5b6fdSKuninori Morimoto static struct regmap_bus rsnd_regmap_bus = { 8355e5b6fdSKuninori Morimoto .write = rsnd_regmap_write32, 8455e5b6fdSKuninori Morimoto .read = rsnd_regmap_read32, 8555e5b6fdSKuninori Morimoto .reg_format_endian_default = REGMAP_ENDIAN_NATIVE, 8655e5b6fdSKuninori Morimoto .val_format_endian_default = REGMAP_ENDIAN_NATIVE, 8755e5b6fdSKuninori Morimoto }; 8855e5b6fdSKuninori Morimoto 8955e5b6fdSKuninori Morimoto u32 rsnd_read(struct rsnd_priv *priv, 9055e5b6fdSKuninori Morimoto struct rsnd_mod *mod, enum rsnd_reg reg) 9155e5b6fdSKuninori Morimoto { 9255e5b6fdSKuninori Morimoto struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 9355e5b6fdSKuninori Morimoto u32 val; 9455e5b6fdSKuninori Morimoto 9555e5b6fdSKuninori Morimoto regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val); 9655e5b6fdSKuninori Morimoto 9755e5b6fdSKuninori Morimoto return val; 9855e5b6fdSKuninori Morimoto } 9955e5b6fdSKuninori Morimoto 10055e5b6fdSKuninori Morimoto void rsnd_write(struct rsnd_priv *priv, 10155e5b6fdSKuninori Morimoto struct rsnd_mod *mod, 10255e5b6fdSKuninori Morimoto enum rsnd_reg reg, u32 data) 10355e5b6fdSKuninori Morimoto { 10455e5b6fdSKuninori Morimoto struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 10555e5b6fdSKuninori Morimoto 10655e5b6fdSKuninori Morimoto regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data); 10755e5b6fdSKuninori Morimoto } 10855e5b6fdSKuninori Morimoto 10955e5b6fdSKuninori Morimoto void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, 11055e5b6fdSKuninori Morimoto enum rsnd_reg reg, u32 mask, u32 data) 11155e5b6fdSKuninori Morimoto { 11255e5b6fdSKuninori Morimoto struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 11355e5b6fdSKuninori Morimoto 11455e5b6fdSKuninori Morimoto regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod), 11555e5b6fdSKuninori Morimoto mask, data); 11655e5b6fdSKuninori Morimoto } 11755e5b6fdSKuninori Morimoto 118c1e6cc5eSKuninori Morimoto static int rsnd_gen_regmap_init(struct rsnd_priv *priv, 119c1e6cc5eSKuninori Morimoto struct rsnd_gen *gen, 120c1e6cc5eSKuninori Morimoto struct reg_field *regf) 121c1e6cc5eSKuninori Morimoto { 122c1e6cc5eSKuninori Morimoto int i; 123c1e6cc5eSKuninori Morimoto struct device *dev = rsnd_priv_to_dev(priv); 124c1e6cc5eSKuninori Morimoto struct regmap_config regc; 125c1e6cc5eSKuninori Morimoto 126c1e6cc5eSKuninori Morimoto memset(®c, 0, sizeof(regc)); 127c1e6cc5eSKuninori Morimoto regc.reg_bits = 32; 128c1e6cc5eSKuninori Morimoto regc.val_bits = 32; 129c1e6cc5eSKuninori Morimoto 130c1e6cc5eSKuninori Morimoto gen->regmap = devm_regmap_init(dev, &rsnd_regmap_bus, priv, ®c); 131c1e6cc5eSKuninori Morimoto if (IS_ERR(gen->regmap)) { 132c1e6cc5eSKuninori Morimoto dev_err(dev, "regmap error %ld\n", PTR_ERR(gen->regmap)); 133c1e6cc5eSKuninori Morimoto return PTR_ERR(gen->regmap); 134c1e6cc5eSKuninori Morimoto } 135c1e6cc5eSKuninori Morimoto 136c1e6cc5eSKuninori Morimoto for (i = 0; i < RSND_REG_MAX; i++) { 137c1e6cc5eSKuninori Morimoto gen->regs[i] = devm_regmap_field_alloc(dev, gen->regmap, regf[i]); 138c1e6cc5eSKuninori Morimoto if (IS_ERR(gen->regs[i])) 139c1e6cc5eSKuninori Morimoto return PTR_ERR(gen->regs[i]); 140c1e6cc5eSKuninori Morimoto 141c1e6cc5eSKuninori Morimoto } 142c1e6cc5eSKuninori Morimoto 143c1e6cc5eSKuninori Morimoto return 0; 144c1e6cc5eSKuninori Morimoto } 1453337744aSKuninori Morimoto /* 1463337744aSKuninori Morimoto * Gen2 1473337744aSKuninori Morimoto * will be filled in the future 1483337744aSKuninori Morimoto */ 1493337744aSKuninori Morimoto 1503337744aSKuninori Morimoto /* 1513337744aSKuninori Morimoto * Gen1 1523337744aSKuninori Morimoto */ 15307539c1dSKuninori Morimoto static int rsnd_gen1_path_init(struct rsnd_priv *priv, 15407539c1dSKuninori Morimoto struct rsnd_dai *rdai, 15507539c1dSKuninori Morimoto struct rsnd_dai_stream *io) 15607539c1dSKuninori Morimoto { 15707539c1dSKuninori Morimoto struct rsnd_mod *mod; 15807539c1dSKuninori Morimoto int ret; 15907539c1dSKuninori Morimoto int id; 16007539c1dSKuninori Morimoto 16107539c1dSKuninori Morimoto /* 16207539c1dSKuninori Morimoto * Gen1 is created by SRU/SSI, and this SRU is base module of 16307539c1dSKuninori Morimoto * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU) 16407539c1dSKuninori Morimoto * 16507539c1dSKuninori Morimoto * Easy image is.. 16607539c1dSKuninori Morimoto * Gen1 SRU = Gen2 SCU + SSIU + etc 16707539c1dSKuninori Morimoto * 16807539c1dSKuninori Morimoto * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is 16907539c1dSKuninori Morimoto * using fixed path. 17007539c1dSKuninori Morimoto * 17107539c1dSKuninori Morimoto * Then, SSI id = SCU id here 17207539c1dSKuninori Morimoto */ 17307539c1dSKuninori Morimoto 1744b4dab82SKuninori Morimoto /* get SSI's ID */ 1754b4dab82SKuninori Morimoto mod = rsnd_ssi_mod_get_frm_dai(priv, 1764b4dab82SKuninori Morimoto rsnd_dai_id(priv, rdai), 1774b4dab82SKuninori Morimoto rsnd_dai_is_play(rdai, io)); 1784b4dab82SKuninori Morimoto id = rsnd_mod_id(mod); 17907539c1dSKuninori Morimoto 180ae5c3223SKuninori Morimoto /* SSI */ 181ae5c3223SKuninori Morimoto mod = rsnd_ssi_mod_get(priv, id); 182ae5c3223SKuninori Morimoto ret = rsnd_dai_connect(rdai, mod, io); 183ae5c3223SKuninori Morimoto if (ret < 0) 184ae5c3223SKuninori Morimoto return ret; 185ae5c3223SKuninori Morimoto 18607539c1dSKuninori Morimoto /* SCU */ 18707539c1dSKuninori Morimoto mod = rsnd_scu_mod_get(priv, id); 18807539c1dSKuninori Morimoto ret = rsnd_dai_connect(rdai, mod, io); 18907539c1dSKuninori Morimoto 19007539c1dSKuninori Morimoto return ret; 19107539c1dSKuninori Morimoto } 19207539c1dSKuninori Morimoto 19307539c1dSKuninori Morimoto static int rsnd_gen1_path_exit(struct rsnd_priv *priv, 19407539c1dSKuninori Morimoto struct rsnd_dai *rdai, 19507539c1dSKuninori Morimoto struct rsnd_dai_stream *io) 19607539c1dSKuninori Morimoto { 19707539c1dSKuninori Morimoto struct rsnd_mod *mod, *n; 19807539c1dSKuninori Morimoto int ret = 0; 19907539c1dSKuninori Morimoto 20007539c1dSKuninori Morimoto /* 20107539c1dSKuninori Morimoto * remove all mod from rdai 20207539c1dSKuninori Morimoto */ 20307539c1dSKuninori Morimoto for_each_rsnd_mod(mod, n, io) 20407539c1dSKuninori Morimoto ret |= rsnd_dai_disconnect(mod); 20507539c1dSKuninori Morimoto 20607539c1dSKuninori Morimoto return ret; 20707539c1dSKuninori Morimoto } 20807539c1dSKuninori Morimoto 20955e5b6fdSKuninori Morimoto /* single address mapping */ 21055e5b6fdSKuninori Morimoto #define RSND_GEN1_S_REG(gen, reg, id, offset) \ 21155e5b6fdSKuninori Morimoto RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN1_##reg, offset, 0, 9) 21207539c1dSKuninori Morimoto 21355e5b6fdSKuninori Morimoto /* multi address mapping */ 21455e5b6fdSKuninori Morimoto #define RSND_GEN1_M_REG(gen, reg, id, offset, _id_offset) \ 21555e5b6fdSKuninori Morimoto RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN1_##reg, offset, _id_offset, 9) 21655e5b6fdSKuninori Morimoto 21755e5b6fdSKuninori Morimoto static int rsnd_gen1_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen) 21807539c1dSKuninori Morimoto { 21955e5b6fdSKuninori Morimoto struct reg_field regf[RSND_REG_MAX] = { 22055e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, SRU, SRC_ROUTE_SEL, 0x00), 22155e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL0, 0x08), 22255e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL1, 0x0c), 22355e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL2, 0x10), 22455e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, SRU, SRC_CTRL, 0xc0), 22555e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, SRU, SSI_MODE0, 0xD0), 22655e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, SRU, SSI_MODE1, 0xD4), 22755e5b6fdSKuninori Morimoto RSND_GEN1_M_REG(gen, SRU, BUSIF_MODE, 0x20, 0x4), 22855e5b6fdSKuninori Morimoto RSND_GEN1_M_REG(gen, SRU, BUSIF_ADINR, 0x214, 0x40), 229dfc9403bSKuninori Morimoto 23055e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, ADG, BRRA, 0x00), 23155e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, ADG, BRRB, 0x04), 23255e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, ADG, SSICKR, 0x08), 23355e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL0, 0x0c), 23455e5b6fdSKuninori Morimoto RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL1, 0x10), 235ae5c3223SKuninori Morimoto 23655e5b6fdSKuninori Morimoto RSND_GEN1_M_REG(gen, SSI, SSICR, 0x00, 0x40), 23755e5b6fdSKuninori Morimoto RSND_GEN1_M_REG(gen, SSI, SSISR, 0x04, 0x40), 23855e5b6fdSKuninori Morimoto RSND_GEN1_M_REG(gen, SSI, SSITDR, 0x08, 0x40), 23955e5b6fdSKuninori Morimoto RSND_GEN1_M_REG(gen, SSI, SSIRDR, 0x0c, 0x40), 24055e5b6fdSKuninori Morimoto RSND_GEN1_M_REG(gen, SSI, SSIWSR, 0x20, 0x40), 24155e5b6fdSKuninori Morimoto }; 24255e5b6fdSKuninori Morimoto 243c1e6cc5eSKuninori Morimoto return rsnd_gen_regmap_init(priv, gen, regf); 24407539c1dSKuninori Morimoto } 24507539c1dSKuninori Morimoto 2463337744aSKuninori Morimoto static int rsnd_gen1_probe(struct platform_device *pdev, 2473337744aSKuninori Morimoto struct rcar_snd_info *info, 2483337744aSKuninori Morimoto struct rsnd_priv *priv) 2493337744aSKuninori Morimoto { 25007539c1dSKuninori Morimoto struct device *dev = rsnd_priv_to_dev(priv); 25107539c1dSKuninori Morimoto struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 25207539c1dSKuninori Morimoto struct resource *sru_res; 253dfc9403bSKuninori Morimoto struct resource *adg_res; 254ae5c3223SKuninori Morimoto struct resource *ssi_res; 25555e5b6fdSKuninori Morimoto int ret; 25607539c1dSKuninori Morimoto 25707539c1dSKuninori Morimoto /* 25807539c1dSKuninori Morimoto * map address 25907539c1dSKuninori Morimoto */ 26007539c1dSKuninori Morimoto sru_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SRU); 261dfc9403bSKuninori Morimoto adg_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_ADG); 262ae5c3223SKuninori Morimoto ssi_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SSI); 26307539c1dSKuninori Morimoto 26407539c1dSKuninori Morimoto gen->base[RSND_GEN1_SRU] = devm_ioremap_resource(dev, sru_res); 265dfc9403bSKuninori Morimoto gen->base[RSND_GEN1_ADG] = devm_ioremap_resource(dev, adg_res); 266ae5c3223SKuninori Morimoto gen->base[RSND_GEN1_SSI] = devm_ioremap_resource(dev, ssi_res); 26770263cb4SWei Yongjun if (IS_ERR(gen->base[RSND_GEN1_SRU]) || 26870263cb4SWei Yongjun IS_ERR(gen->base[RSND_GEN1_ADG]) || 26970263cb4SWei Yongjun IS_ERR(gen->base[RSND_GEN1_SSI])) 27007539c1dSKuninori Morimoto return -ENODEV; 27107539c1dSKuninori Morimoto 27255e5b6fdSKuninori Morimoto ret = rsnd_gen1_regmap_init(priv, gen); 27355e5b6fdSKuninori Morimoto if (ret < 0) 27455e5b6fdSKuninori Morimoto return ret; 27507539c1dSKuninori Morimoto 27607539c1dSKuninori Morimoto dev_dbg(dev, "Gen1 device probed\n"); 27707539c1dSKuninori Morimoto dev_dbg(dev, "SRU : %08x => %p\n", sru_res->start, 27807539c1dSKuninori Morimoto gen->base[RSND_GEN1_SRU]); 279dfc9403bSKuninori Morimoto dev_dbg(dev, "ADG : %08x => %p\n", adg_res->start, 280dfc9403bSKuninori Morimoto gen->base[RSND_GEN1_ADG]); 281ae5c3223SKuninori Morimoto dev_dbg(dev, "SSI : %08x => %p\n", ssi_res->start, 282ae5c3223SKuninori Morimoto gen->base[RSND_GEN1_SSI]); 28307539c1dSKuninori Morimoto 2843337744aSKuninori Morimoto return 0; 285ae5c3223SKuninori Morimoto 2863337744aSKuninori Morimoto } 2873337744aSKuninori Morimoto 2883337744aSKuninori Morimoto static void rsnd_gen1_remove(struct platform_device *pdev, 2893337744aSKuninori Morimoto struct rsnd_priv *priv) 2903337744aSKuninori Morimoto { 2913337744aSKuninori Morimoto } 2923337744aSKuninori Morimoto 293072188b6SKuninori Morimoto static struct rsnd_gen_ops rsnd_gen1_ops = { 294072188b6SKuninori Morimoto .probe = rsnd_gen1_probe, 295072188b6SKuninori Morimoto .remove = rsnd_gen1_remove, 296072188b6SKuninori Morimoto .path_init = rsnd_gen1_path_init, 297072188b6SKuninori Morimoto .path_exit = rsnd_gen1_path_exit, 298072188b6SKuninori Morimoto }; 299072188b6SKuninori Morimoto 3003337744aSKuninori Morimoto /* 3013337744aSKuninori Morimoto * Gen 3023337744aSKuninori Morimoto */ 3033337744aSKuninori Morimoto int rsnd_gen_path_init(struct rsnd_priv *priv, 3043337744aSKuninori Morimoto struct rsnd_dai *rdai, 3053337744aSKuninori Morimoto struct rsnd_dai_stream *io) 3063337744aSKuninori Morimoto { 3073337744aSKuninori Morimoto struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 3083337744aSKuninori Morimoto 3093337744aSKuninori Morimoto return gen->ops->path_init(priv, rdai, io); 3103337744aSKuninori Morimoto } 3113337744aSKuninori Morimoto 3123337744aSKuninori Morimoto int rsnd_gen_path_exit(struct rsnd_priv *priv, 3133337744aSKuninori Morimoto struct rsnd_dai *rdai, 3143337744aSKuninori Morimoto struct rsnd_dai_stream *io) 3153337744aSKuninori Morimoto { 3163337744aSKuninori Morimoto struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 3173337744aSKuninori Morimoto 3183337744aSKuninori Morimoto return gen->ops->path_exit(priv, rdai, io); 3193337744aSKuninori Morimoto } 3203337744aSKuninori Morimoto 3213337744aSKuninori Morimoto int rsnd_gen_probe(struct platform_device *pdev, 3223337744aSKuninori Morimoto struct rcar_snd_info *info, 3233337744aSKuninori Morimoto struct rsnd_priv *priv) 3243337744aSKuninori Morimoto { 3253337744aSKuninori Morimoto struct device *dev = rsnd_priv_to_dev(priv); 3263337744aSKuninori Morimoto struct rsnd_gen *gen; 3273337744aSKuninori Morimoto 3283337744aSKuninori Morimoto gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL); 3293337744aSKuninori Morimoto if (!gen) { 3303337744aSKuninori Morimoto dev_err(dev, "GEN allocate failed\n"); 3313337744aSKuninori Morimoto return -ENOMEM; 3323337744aSKuninori Morimoto } 3333337744aSKuninori Morimoto 334072188b6SKuninori Morimoto if (rsnd_is_gen1(priv)) 335072188b6SKuninori Morimoto gen->ops = &rsnd_gen1_ops; 336072188b6SKuninori Morimoto 337072188b6SKuninori Morimoto if (!gen->ops) { 338072188b6SKuninori Morimoto dev_err(dev, "unknown generation R-Car sound device\n"); 339072188b6SKuninori Morimoto return -ENODEV; 340072188b6SKuninori Morimoto } 341072188b6SKuninori Morimoto 3423337744aSKuninori Morimoto priv->gen = gen; 3433337744aSKuninori Morimoto 344072188b6SKuninori Morimoto return gen->ops->probe(pdev, info, priv); 3453337744aSKuninori Morimoto } 3463337744aSKuninori Morimoto 3473337744aSKuninori Morimoto void rsnd_gen_remove(struct platform_device *pdev, 3483337744aSKuninori Morimoto struct rsnd_priv *priv) 3493337744aSKuninori Morimoto { 350072188b6SKuninori Morimoto struct rsnd_gen *gen = rsnd_priv_to_gen(priv); 351072188b6SKuninori Morimoto 352072188b6SKuninori Morimoto gen->ops->remove(pdev, priv); 3533337744aSKuninori Morimoto } 354