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3337744a KM |
1 | /* |
2 | * Renesas R-Car Gen1 SRU/SSI support | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
ace0eb1e KM |
11 | |
12 | /* | |
13 | * #define DEBUG | |
14 | * | |
15 | * you can also add below in | |
16 | * ${LINUX}/drivers/base/regmap/regmap.c | |
17 | * for regmap debug | |
18 | * | |
19 | * #define LOG_DEVICE "xxxx.rcar_sound" | |
20 | */ | |
21 | ||
3337744a KM |
22 | #include "rsnd.h" |
23 | ||
3337744a | 24 | struct rsnd_gen { |
3337744a | 25 | struct rsnd_gen_ops *ops; |
55e5b6fd | 26 | |
9993c16d KM |
27 | /* RSND_BASE_MAX base */ |
28 | void __iomem *base[RSND_BASE_MAX]; | |
29 | phys_addr_t res[RSND_BASE_MAX]; | |
b8c63786 | 30 | struct regmap *regmap[RSND_BASE_MAX]; |
9993c16d KM |
31 | |
32 | /* RSND_REG_MAX base */ | |
55e5b6fd | 33 | struct regmap_field *regs[RSND_REG_MAX]; |
0719ecf7 | 34 | const char *reg_name[RSND_REG_MAX]; |
3337744a KM |
35 | }; |
36 | ||
37 | #define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen) | |
0719ecf7 | 38 | #define rsnd_reg_name(gen, id) ((gen)->reg_name[id]) |
3337744a | 39 | |
b8c63786 KM |
40 | struct rsnd_regmap_field_conf { |
41 | int idx; | |
42 | unsigned int reg_offset; | |
43 | unsigned int id_offset; | |
0719ecf7 | 44 | const char *reg_name; |
b8c63786 | 45 | }; |
55e5b6fd | 46 | |
0719ecf7 | 47 | #define RSND_REG_SET(id, offset, _id_offset, n) \ |
b8c63786 KM |
48 | { \ |
49 | .idx = id, \ | |
50 | .reg_offset = offset, \ | |
51 | .id_offset = _id_offset, \ | |
0719ecf7 | 52 | .reg_name = n, \ |
55e5b6fd | 53 | } |
b8c63786 KM |
54 | /* single address mapping */ |
55 | #define RSND_GEN_S_REG(id, offset) \ | |
0719ecf7 | 56 | RSND_REG_SET(RSND_REG_##id, offset, 0, #id) |
55e5b6fd | 57 | |
b8c63786 KM |
58 | /* multi address mapping */ |
59 | #define RSND_GEN_M_REG(id, offset, _id_offset) \ | |
0719ecf7 | 60 | RSND_REG_SET(RSND_REG_##id, offset, _id_offset, #id) |
55e5b6fd | 61 | |
b8c63786 KM |
62 | /* |
63 | * basic function | |
64 | */ | |
42ee5d22 KM |
65 | static int rsnd_is_accessible_reg(struct rsnd_priv *priv, |
66 | struct rsnd_gen *gen, enum rsnd_reg reg) | |
67 | { | |
68 | if (!gen->regs[reg]) { | |
69 | struct device *dev = rsnd_priv_to_dev(priv); | |
70 | ||
71 | dev_err(dev, "unsupported register access %x\n", reg); | |
72 | return 0; | |
73 | } | |
74 | ||
75 | return 1; | |
76 | } | |
77 | ||
55e5b6fd KM |
78 | u32 rsnd_read(struct rsnd_priv *priv, |
79 | struct rsnd_mod *mod, enum rsnd_reg reg) | |
80 | { | |
b8c63786 | 81 | struct device *dev = rsnd_priv_to_dev(priv); |
55e5b6fd KM |
82 | struct rsnd_gen *gen = rsnd_priv_to_gen(priv); |
83 | u32 val; | |
84 | ||
42ee5d22 KM |
85 | if (!rsnd_is_accessible_reg(priv, gen, reg)) |
86 | return 0; | |
87 | ||
c9b9638f KM |
88 | regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val); |
89 | ||
0719ecf7 KM |
90 | dev_dbg(dev, "r %s[%d] - %-18s (%4d) : %08x\n", |
91 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
92 | rsnd_reg_name(gen, reg), reg, val); | |
55e5b6fd KM |
93 | |
94 | return val; | |
95 | } | |
96 | ||
97 | void rsnd_write(struct rsnd_priv *priv, | |
98 | struct rsnd_mod *mod, | |
99 | enum rsnd_reg reg, u32 data) | |
100 | { | |
b8c63786 | 101 | struct device *dev = rsnd_priv_to_dev(priv); |
55e5b6fd KM |
102 | struct rsnd_gen *gen = rsnd_priv_to_gen(priv); |
103 | ||
42ee5d22 KM |
104 | if (!rsnd_is_accessible_reg(priv, gen, reg)) |
105 | return; | |
106 | ||
ace0eb1e | 107 | regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data); |
0719ecf7 KM |
108 | |
109 | dev_dbg(dev, "w %s[%d] - %-18s (%4d) : %08x\n", | |
110 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
111 | rsnd_reg_name(gen, reg), reg, data); | |
7b47ab47 KM |
112 | } |
113 | ||
114 | void rsnd_force_write(struct rsnd_priv *priv, | |
115 | struct rsnd_mod *mod, | |
116 | enum rsnd_reg reg, u32 data) | |
117 | { | |
118 | struct device *dev = rsnd_priv_to_dev(priv); | |
119 | struct rsnd_gen *gen = rsnd_priv_to_gen(priv); | |
120 | ||
121 | if (!rsnd_is_accessible_reg(priv, gen, reg)) | |
122 | return; | |
123 | ||
7b47ab47 | 124 | regmap_fields_force_write(gen->regs[reg], rsnd_mod_id(mod), data); |
0719ecf7 KM |
125 | |
126 | dev_dbg(dev, "w %s[%d] - %-18s (%4d) : %08x\n", | |
127 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
128 | rsnd_reg_name(gen, reg), reg, data); | |
55e5b6fd KM |
129 | } |
130 | ||
131 | void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, | |
132 | enum rsnd_reg reg, u32 mask, u32 data) | |
133 | { | |
4f8f86aa | 134 | struct device *dev = rsnd_priv_to_dev(priv); |
55e5b6fd KM |
135 | struct rsnd_gen *gen = rsnd_priv_to_gen(priv); |
136 | ||
42ee5d22 KM |
137 | if (!rsnd_is_accessible_reg(priv, gen, reg)) |
138 | return; | |
139 | ||
55e5b6fd KM |
140 | regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod), |
141 | mask, data); | |
0719ecf7 KM |
142 | |
143 | dev_dbg(dev, "b %s[%d] - %-18s (%4d) : %08x/%08x\n", | |
144 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
145 | rsnd_reg_name(gen, reg), reg, data, mask); | |
146 | ||
55e5b6fd KM |
147 | } |
148 | ||
c5212b45 KM |
149 | phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id) |
150 | { | |
151 | struct rsnd_gen *gen = rsnd_priv_to_gen(priv); | |
152 | ||
153 | return gen->res[reg_id]; | |
154 | } | |
155 | ||
7277911c KM |
156 | #define rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf) \ |
157 | _rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf, ARRAY_SIZE(conf)) | |
b8c63786 KM |
158 | static int _rsnd_gen_regmap_init(struct rsnd_priv *priv, |
159 | int id_size, | |
160 | int reg_id, | |
7277911c | 161 | const char *name, |
0719ecf7 | 162 | const struct rsnd_regmap_field_conf *conf, |
b8c63786 | 163 | int conf_size) |
c1e6cc5e | 164 | { |
b8c63786 KM |
165 | struct platform_device *pdev = rsnd_priv_to_pdev(priv); |
166 | struct rsnd_gen *gen = rsnd_priv_to_gen(priv); | |
c1e6cc5e | 167 | struct device *dev = rsnd_priv_to_dev(priv); |
b8c63786 | 168 | struct resource *res; |
c1e6cc5e | 169 | struct regmap_config regc; |
b8c63786 KM |
170 | struct regmap_field *regs; |
171 | struct regmap *regmap; | |
172 | struct reg_field regf; | |
173 | void __iomem *base; | |
174 | int i; | |
c1e6cc5e KM |
175 | |
176 | memset(®c, 0, sizeof(regc)); | |
177 | regc.reg_bits = 32; | |
178 | regc.val_bits = 32; | |
b8c63786 | 179 | regc.reg_stride = 4; |
530b7b4a | 180 | regc.name = name; |
c1e6cc5e | 181 | |
7277911c KM |
182 | res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name); |
183 | if (!res) | |
184 | res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id); | |
b8c63786 KM |
185 | if (!res) |
186 | return -ENODEV; | |
187 | ||
188 | base = devm_ioremap_resource(dev, res); | |
189 | if (IS_ERR(base)) | |
190 | return PTR_ERR(base); | |
c1e6cc5e | 191 | |
b8c63786 KM |
192 | regmap = devm_regmap_init_mmio(dev, base, ®c); |
193 | if (IS_ERR(regmap)) | |
194 | return PTR_ERR(regmap); | |
42ee5d22 | 195 | |
9993c16d | 196 | /* RSND_BASE_MAX base */ |
b8c63786 KM |
197 | gen->base[reg_id] = base; |
198 | gen->regmap[reg_id] = regmap; | |
c5212b45 | 199 | gen->res[reg_id] = res->start; |
c1e6cc5e | 200 | |
b8c63786 KM |
201 | for (i = 0; i < conf_size; i++) { |
202 | ||
203 | regf.reg = conf[i].reg_offset; | |
204 | regf.id_offset = conf[i].id_offset; | |
205 | regf.lsb = 0; | |
206 | regf.msb = 31; | |
207 | regf.id_size = id_size; | |
208 | ||
209 | regs = devm_regmap_field_alloc(dev, regmap, regf); | |
210 | if (IS_ERR(regs)) | |
211 | return PTR_ERR(regs); | |
212 | ||
9993c16d | 213 | /* RSND_REG_MAX base */ |
b8c63786 | 214 | gen->regs[conf[i].idx] = regs; |
0719ecf7 | 215 | gen->reg_name[conf[i].idx] = conf[i].reg_name; |
c1e6cc5e KM |
216 | } |
217 | ||
218 | return 0; | |
219 | } | |
3337744a | 220 | |
994a9df1 KM |
221 | /* |
222 | * Gen2 | |
994a9df1 | 223 | */ |
2ea6b074 | 224 | static int rsnd_gen2_probe(struct rsnd_priv *priv) |
507d466c | 225 | { |
0719ecf7 | 226 | const static struct rsnd_regmap_field_conf conf_ssiu[] = { |
b8c63786 KM |
227 | RSND_GEN_S_REG(SSI_MODE0, 0x800), |
228 | RSND_GEN_S_REG(SSI_MODE1, 0x804), | |
229 | /* FIXME: it needs SSI_MODE2/3 in the future */ | |
230 | RSND_GEN_M_REG(SSI_BUSIF_MODE, 0x0, 0x80), | |
231 | RSND_GEN_M_REG(SSI_BUSIF_ADINR, 0x4, 0x80), | |
cdde84d1 | 232 | RSND_GEN_M_REG(SSI_BUSIF_DALIGN,0x8, 0x80), |
b8c63786 | 233 | RSND_GEN_M_REG(SSI_CTRL, 0x10, 0x80), |
efa991dc | 234 | RSND_GEN_M_REG(SSI_INT_ENABLE, 0x18, 0x80), |
b8c63786 | 235 | }; |
bf4e8d7c | 236 | |
0719ecf7 | 237 | const static struct rsnd_regmap_field_conf conf_scu[] = { |
bf4e8d7c KM |
238 | RSND_GEN_M_REG(SRC_I_BUSIF_MODE,0x0, 0x20), |
239 | RSND_GEN_M_REG(SRC_O_BUSIF_MODE,0x4, 0x20), | |
4689032b | 240 | RSND_GEN_M_REG(SRC_BUSIF_DALIGN,0x8, 0x20), |
b8c63786 KM |
241 | RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0xc, 0x20), |
242 | RSND_GEN_M_REG(SRC_CTRL, 0x10, 0x20), | |
cfcefe01 | 243 | RSND_GEN_M_REG(SRC_INT_ENABLE0, 0x18, 0x20), |
b8c63786 KM |
244 | RSND_GEN_M_REG(CMD_ROUTE_SLCT, 0x18c, 0x20), |
245 | RSND_GEN_M_REG(CMD_CTRL, 0x190, 0x20), | |
cfcefe01 KM |
246 | RSND_GEN_S_REG(SCU_SYS_STATUS0, 0x1c8), |
247 | RSND_GEN_S_REG(SCU_SYS_INT_EN0, 0x1cc), | |
248 | RSND_GEN_S_REG(SCU_SYS_STATUS1, 0x1d0), | |
249 | RSND_GEN_S_REG(SCU_SYS_INT_EN1, 0x1c4), | |
b8c63786 KM |
250 | RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40), |
251 | RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40), | |
252 | RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40), | |
253 | RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40), | |
254 | RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40), | |
255 | RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40), | |
256 | RSND_GEN_M_REG(SRC_BSDSR, 0x22c, 0x40), | |
257 | RSND_GEN_M_REG(SRC_BSISR, 0x238, 0x40), | |
9269e3c3 KM |
258 | RSND_GEN_M_REG(CTU_CTUIR, 0x504, 0x100), |
259 | RSND_GEN_M_REG(CTU_ADINR, 0x508, 0x100), | |
70fb1052 KM |
260 | RSND_GEN_M_REG(MIX_SWRSR, 0xd00, 0x40), |
261 | RSND_GEN_M_REG(MIX_MIXIR, 0xd04, 0x40), | |
262 | RSND_GEN_M_REG(MIX_ADINR, 0xd08, 0x40), | |
263 | RSND_GEN_M_REG(MIX_MIXMR, 0xd10, 0x40), | |
264 | RSND_GEN_M_REG(MIX_MVPDR, 0xd14, 0x40), | |
265 | RSND_GEN_M_REG(MIX_MDBAR, 0xd18, 0x40), | |
266 | RSND_GEN_M_REG(MIX_MDBBR, 0xd1c, 0x40), | |
267 | RSND_GEN_M_REG(MIX_MDBCR, 0xd20, 0x40), | |
268 | RSND_GEN_M_REG(MIX_MDBDR, 0xd24, 0x40), | |
269 | RSND_GEN_M_REG(MIX_MDBER, 0xd28, 0x40), | |
b8c63786 KM |
270 | RSND_GEN_M_REG(DVC_SWRSR, 0xe00, 0x100), |
271 | RSND_GEN_M_REG(DVC_DVUIR, 0xe04, 0x100), | |
272 | RSND_GEN_M_REG(DVC_ADINR, 0xe08, 0x100), | |
273 | RSND_GEN_M_REG(DVC_DVUCR, 0xe10, 0x100), | |
274 | RSND_GEN_M_REG(DVC_ZCMCR, 0xe14, 0x100), | |
3539cacf KM |
275 | RSND_GEN_M_REG(DVC_VRCTR, 0xe18, 0x100), |
276 | RSND_GEN_M_REG(DVC_VRPDR, 0xe1c, 0x100), | |
277 | RSND_GEN_M_REG(DVC_VRDBR, 0xe20, 0x100), | |
b8c63786 KM |
278 | RSND_GEN_M_REG(DVC_VOL0R, 0xe28, 0x100), |
279 | RSND_GEN_M_REG(DVC_VOL1R, 0xe2c, 0x100), | |
42ab9a79 KM |
280 | RSND_GEN_M_REG(DVC_VOL2R, 0xe30, 0x100), |
281 | RSND_GEN_M_REG(DVC_VOL3R, 0xe34, 0x100), | |
282 | RSND_GEN_M_REG(DVC_VOL4R, 0xe38, 0x100), | |
283 | RSND_GEN_M_REG(DVC_VOL5R, 0xe3c, 0x100), | |
284 | RSND_GEN_M_REG(DVC_VOL6R, 0xe40, 0x100), | |
285 | RSND_GEN_M_REG(DVC_VOL7R, 0xe44, 0x100), | |
b8c63786 KM |
286 | RSND_GEN_M_REG(DVC_DVUER, 0xe48, 0x100), |
287 | }; | |
0719ecf7 | 288 | const static struct rsnd_regmap_field_conf conf_adg[] = { |
b8c63786 KM |
289 | RSND_GEN_S_REG(BRRA, 0x00), |
290 | RSND_GEN_S_REG(BRRB, 0x04), | |
291 | RSND_GEN_S_REG(SSICKR, 0x08), | |
292 | RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c), | |
293 | RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10), | |
294 | RSND_GEN_S_REG(AUDIO_CLK_SEL2, 0x14), | |
295 | RSND_GEN_S_REG(DIV_EN, 0x30), | |
296 | RSND_GEN_S_REG(SRCIN_TIMSEL0, 0x34), | |
297 | RSND_GEN_S_REG(SRCIN_TIMSEL1, 0x38), | |
298 | RSND_GEN_S_REG(SRCIN_TIMSEL2, 0x3c), | |
299 | RSND_GEN_S_REG(SRCIN_TIMSEL3, 0x40), | |
300 | RSND_GEN_S_REG(SRCIN_TIMSEL4, 0x44), | |
301 | RSND_GEN_S_REG(SRCOUT_TIMSEL0, 0x48), | |
302 | RSND_GEN_S_REG(SRCOUT_TIMSEL1, 0x4c), | |
303 | RSND_GEN_S_REG(SRCOUT_TIMSEL2, 0x50), | |
304 | RSND_GEN_S_REG(SRCOUT_TIMSEL3, 0x54), | |
305 | RSND_GEN_S_REG(SRCOUT_TIMSEL4, 0x58), | |
306 | RSND_GEN_S_REG(CMDOUT_TIMSEL, 0x5c), | |
307 | }; | |
0719ecf7 | 308 | const static struct rsnd_regmap_field_conf conf_ssi[] = { |
b8c63786 KM |
309 | RSND_GEN_M_REG(SSICR, 0x00, 0x40), |
310 | RSND_GEN_M_REG(SSISR, 0x04, 0x40), | |
311 | RSND_GEN_M_REG(SSITDR, 0x08, 0x40), | |
312 | RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40), | |
313 | RSND_GEN_M_REG(SSIWSR, 0x20, 0x40), | |
314 | }; | |
315 | int ret_ssiu; | |
316 | int ret_scu; | |
317 | int ret_adg; | |
318 | int ret_ssi; | |
319 | ||
7277911c KM |
320 | ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSIU, "ssiu", conf_ssiu); |
321 | ret_scu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SCU, "scu", conf_scu); | |
322 | ret_adg = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_ADG, "adg", conf_adg); | |
323 | ret_ssi = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSI, "ssi", conf_ssi); | |
b8c63786 KM |
324 | if (ret_ssiu < 0 || |
325 | ret_scu < 0 || | |
326 | ret_adg < 0 || | |
327 | ret_ssi < 0) | |
328 | return ret_ssiu | ret_scu | ret_adg | ret_ssi; | |
329 | ||
507d466c KM |
330 | return 0; |
331 | } | |
332 | ||
994a9df1 KM |
333 | /* |
334 | * Gen1 | |
335 | */ | |
336 | ||
2ea6b074 | 337 | static int rsnd_gen1_probe(struct rsnd_priv *priv) |
3337744a | 338 | { |
0719ecf7 | 339 | const static struct rsnd_regmap_field_conf conf_adg[] = { |
b8c63786 KM |
340 | RSND_GEN_S_REG(BRRA, 0x00), |
341 | RSND_GEN_S_REG(BRRB, 0x04), | |
342 | RSND_GEN_S_REG(SSICKR, 0x08), | |
343 | RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c), | |
344 | RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10), | |
b8c63786 | 345 | }; |
0719ecf7 | 346 | const static struct rsnd_regmap_field_conf conf_ssi[] = { |
b8c63786 KM |
347 | RSND_GEN_M_REG(SSICR, 0x00, 0x40), |
348 | RSND_GEN_M_REG(SSISR, 0x04, 0x40), | |
349 | RSND_GEN_M_REG(SSITDR, 0x08, 0x40), | |
350 | RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40), | |
351 | RSND_GEN_M_REG(SSIWSR, 0x20, 0x40), | |
352 | }; | |
b8c63786 KM |
353 | int ret_adg; |
354 | int ret_ssi; | |
07539c1d | 355 | |
7277911c KM |
356 | ret_adg = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_ADG, "adg", conf_adg); |
357 | ret_ssi = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SSI, "ssi", conf_ssi); | |
e8e7b7bd | 358 | if (ret_adg < 0 || |
b8c63786 | 359 | ret_ssi < 0) |
e8e7b7bd | 360 | return ret_adg | ret_ssi; |
07539c1d | 361 | |
3337744a KM |
362 | return 0; |
363 | } | |
364 | ||
3337744a KM |
365 | /* |
366 | * Gen | |
367 | */ | |
2ea6b074 | 368 | int rsnd_gen_probe(struct rsnd_priv *priv) |
3337744a KM |
369 | { |
370 | struct device *dev = rsnd_priv_to_dev(priv); | |
371 | struct rsnd_gen *gen; | |
531eaf49 | 372 | int ret; |
3337744a KM |
373 | |
374 | gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL); | |
375 | if (!gen) { | |
376 | dev_err(dev, "GEN allocate failed\n"); | |
377 | return -ENOMEM; | |
378 | } | |
379 | ||
531eaf49 | 380 | priv->gen = gen; |
072188b6 | 381 | |
507d466c KM |
382 | ret = -ENODEV; |
383 | if (rsnd_is_gen1(priv)) | |
2ea6b074 | 384 | ret = rsnd_gen1_probe(priv); |
507d466c | 385 | else if (rsnd_is_gen2(priv)) |
2ea6b074 | 386 | ret = rsnd_gen2_probe(priv); |
507d466c KM |
387 | |
388 | if (ret < 0) | |
072188b6 | 389 | dev_err(dev, "unknown generation R-Car sound device\n"); |
072188b6 | 390 | |
531eaf49 | 391 | return ret; |
3337744a | 392 | } |