Shunli Wang | a94aec0 | 2019-01-22 14:39:08 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | // |
| 3 | // mt8183-afe-clk.c -- Mediatek 8183 afe clock ctrl |
| 4 | // |
| 5 | // Copyright (c) 2018 MediaTek Inc. |
| 6 | // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com> |
| 7 | |
| 8 | #include <linux/clk.h> |
| 9 | |
| 10 | #include "mt8183-afe-common.h" |
| 11 | #include "mt8183-afe-clk.h" |
| 12 | #include "mt8183-reg.h" |
| 13 | |
| 14 | enum { |
| 15 | CLK_AFE = 0, |
| 16 | CLK_TML, |
| 17 | CLK_APLL22M, |
| 18 | CLK_APLL24M, |
| 19 | CLK_APLL1_TUNER, |
| 20 | CLK_APLL2_TUNER, |
| 21 | CLK_I2S1_BCLK_SW, |
| 22 | CLK_I2S2_BCLK_SW, |
| 23 | CLK_I2S3_BCLK_SW, |
| 24 | CLK_I2S4_BCLK_SW, |
| 25 | CLK_INFRA_SYS_AUDIO, |
| 26 | CLK_MUX_AUDIO, |
| 27 | CLK_MUX_AUDIOINTBUS, |
| 28 | CLK_TOP_SYSPLL_D2_D4, |
| 29 | /* apll related mux */ |
| 30 | CLK_TOP_MUX_AUD_1, |
| 31 | CLK_TOP_APLL1_CK, |
| 32 | CLK_TOP_MUX_AUD_2, |
| 33 | CLK_TOP_APLL2_CK, |
| 34 | CLK_TOP_MUX_AUD_ENG1, |
| 35 | CLK_TOP_APLL1_D8, |
| 36 | CLK_TOP_MUX_AUD_ENG2, |
| 37 | CLK_TOP_APLL2_D8, |
| 38 | CLK_TOP_I2S0_M_SEL, |
| 39 | CLK_TOP_I2S1_M_SEL, |
| 40 | CLK_TOP_I2S2_M_SEL, |
| 41 | CLK_TOP_I2S3_M_SEL, |
| 42 | CLK_TOP_I2S4_M_SEL, |
| 43 | CLK_TOP_I2S5_M_SEL, |
| 44 | CLK_TOP_APLL12_DIV0, |
| 45 | CLK_TOP_APLL12_DIV1, |
| 46 | CLK_TOP_APLL12_DIV2, |
| 47 | CLK_TOP_APLL12_DIV3, |
| 48 | CLK_TOP_APLL12_DIV4, |
| 49 | CLK_TOP_APLL12_DIVB, |
| 50 | CLK_CLK26M, |
| 51 | CLK_NUM |
| 52 | }; |
| 53 | |
| 54 | static const char *aud_clks[CLK_NUM] = { |
| 55 | [CLK_AFE] = "aud_afe_clk", |
| 56 | [CLK_TML] = "aud_tml_clk", |
| 57 | [CLK_APLL22M] = "aud_apll22m_clk", |
| 58 | [CLK_APLL24M] = "aud_apll24m_clk", |
| 59 | [CLK_APLL1_TUNER] = "aud_apll1_tuner_clk", |
| 60 | [CLK_APLL2_TUNER] = "aud_apll2_tuner_clk", |
| 61 | [CLK_I2S1_BCLK_SW] = "aud_i2s1_bclk_sw", |
| 62 | [CLK_I2S2_BCLK_SW] = "aud_i2s2_bclk_sw", |
| 63 | [CLK_I2S3_BCLK_SW] = "aud_i2s3_bclk_sw", |
| 64 | [CLK_I2S4_BCLK_SW] = "aud_i2s4_bclk_sw", |
| 65 | [CLK_INFRA_SYS_AUDIO] = "aud_infra_clk", |
| 66 | [CLK_MUX_AUDIO] = "top_mux_audio", |
| 67 | [CLK_MUX_AUDIOINTBUS] = "top_mux_aud_intbus", |
| 68 | [CLK_TOP_SYSPLL_D2_D4] = "top_syspll_d2_d4", |
| 69 | [CLK_TOP_MUX_AUD_1] = "top_mux_aud_1", |
| 70 | [CLK_TOP_APLL1_CK] = "top_apll1_ck", |
| 71 | [CLK_TOP_MUX_AUD_2] = "top_mux_aud_2", |
| 72 | [CLK_TOP_APLL2_CK] = "top_apll2_ck", |
| 73 | [CLK_TOP_MUX_AUD_ENG1] = "top_mux_aud_eng1", |
| 74 | [CLK_TOP_APLL1_D8] = "top_apll1_d8", |
| 75 | [CLK_TOP_MUX_AUD_ENG2] = "top_mux_aud_eng2", |
| 76 | [CLK_TOP_APLL2_D8] = "top_apll2_d8", |
| 77 | [CLK_TOP_I2S0_M_SEL] = "top_i2s0_m_sel", |
| 78 | [CLK_TOP_I2S1_M_SEL] = "top_i2s1_m_sel", |
| 79 | [CLK_TOP_I2S2_M_SEL] = "top_i2s2_m_sel", |
| 80 | [CLK_TOP_I2S3_M_SEL] = "top_i2s3_m_sel", |
| 81 | [CLK_TOP_I2S4_M_SEL] = "top_i2s4_m_sel", |
| 82 | [CLK_TOP_I2S5_M_SEL] = "top_i2s5_m_sel", |
| 83 | [CLK_TOP_APLL12_DIV0] = "top_apll12_div0", |
| 84 | [CLK_TOP_APLL12_DIV1] = "top_apll12_div1", |
| 85 | [CLK_TOP_APLL12_DIV2] = "top_apll12_div2", |
| 86 | [CLK_TOP_APLL12_DIV3] = "top_apll12_div3", |
| 87 | [CLK_TOP_APLL12_DIV4] = "top_apll12_div4", |
| 88 | [CLK_TOP_APLL12_DIVB] = "top_apll12_divb", |
| 89 | [CLK_CLK26M] = "top_clk26m_clk", |
| 90 | }; |
| 91 | |
| 92 | int mt8183_init_clock(struct mtk_base_afe *afe) |
| 93 | { |
| 94 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 95 | int i; |
| 96 | |
| 97 | afe_priv->clk = devm_kcalloc(afe->dev, CLK_NUM, sizeof(*afe_priv->clk), |
| 98 | GFP_KERNEL); |
| 99 | if (!afe_priv->clk) |
| 100 | return -ENOMEM; |
| 101 | |
| 102 | for (i = 0; i < CLK_NUM; i++) { |
| 103 | afe_priv->clk[i] = devm_clk_get(afe->dev, aud_clks[i]); |
| 104 | if (IS_ERR(afe_priv->clk[i])) { |
| 105 | dev_err(afe->dev, "%s(), devm_clk_get %s fail, ret %ld\n", |
| 106 | __func__, aud_clks[i], |
| 107 | PTR_ERR(afe_priv->clk[i])); |
| 108 | return PTR_ERR(afe_priv->clk[i]); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | return 0; |
| 113 | } |
| 114 | |
| 115 | int mt8183_afe_enable_clock(struct mtk_base_afe *afe) |
| 116 | { |
| 117 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 118 | int ret; |
| 119 | |
| 120 | ret = clk_prepare_enable(afe_priv->clk[CLK_INFRA_SYS_AUDIO]); |
| 121 | if (ret) { |
| 122 | dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", |
| 123 | __func__, aud_clks[CLK_INFRA_SYS_AUDIO], ret); |
| 124 | goto CLK_INFRA_SYS_AUDIO_ERR; |
| 125 | } |
| 126 | |
| 127 | ret = clk_prepare_enable(afe_priv->clk[CLK_MUX_AUDIO]); |
| 128 | if (ret) { |
| 129 | dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", |
| 130 | __func__, aud_clks[CLK_MUX_AUDIO], ret); |
| 131 | goto CLK_MUX_AUDIO_ERR; |
| 132 | } |
| 133 | |
| 134 | ret = clk_set_parent(afe_priv->clk[CLK_MUX_AUDIO], |
| 135 | afe_priv->clk[CLK_CLK26M]); |
| 136 | if (ret) { |
| 137 | dev_err(afe->dev, "%s(), clk_set_parent %s-%s fail %d\n", |
| 138 | __func__, aud_clks[CLK_MUX_AUDIO], |
| 139 | aud_clks[CLK_CLK26M], ret); |
| 140 | goto CLK_MUX_AUDIO_ERR; |
| 141 | } |
| 142 | |
| 143 | ret = clk_prepare_enable(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); |
| 144 | if (ret) { |
| 145 | dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", |
| 146 | __func__, aud_clks[CLK_MUX_AUDIOINTBUS], ret); |
| 147 | goto CLK_MUX_AUDIO_INTBUS_ERR; |
| 148 | } |
| 149 | |
| 150 | ret = clk_set_parent(afe_priv->clk[CLK_MUX_AUDIOINTBUS], |
| 151 | afe_priv->clk[CLK_TOP_SYSPLL_D2_D4]); |
| 152 | if (ret) { |
| 153 | dev_err(afe->dev, "%s(), clk_set_parent %s-%s fail %d\n", |
| 154 | __func__, aud_clks[CLK_MUX_AUDIOINTBUS], |
| 155 | aud_clks[CLK_TOP_SYSPLL_D2_D4], ret); |
| 156 | goto CLK_MUX_AUDIO_INTBUS_ERR; |
| 157 | } |
| 158 | |
| 159 | ret = clk_prepare_enable(afe_priv->clk[CLK_AFE]); |
| 160 | if (ret) { |
| 161 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 162 | __func__, aud_clks[CLK_AFE], ret); |
| 163 | goto CLK_AFE_ERR; |
| 164 | } |
| 165 | |
| 166 | ret = clk_prepare_enable(afe_priv->clk[CLK_I2S1_BCLK_SW]); |
| 167 | if (ret) { |
| 168 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 169 | __func__, aud_clks[CLK_I2S1_BCLK_SW], ret); |
| 170 | goto CLK_I2S1_BCLK_SW_ERR; |
| 171 | } |
| 172 | |
| 173 | ret = clk_prepare_enable(afe_priv->clk[CLK_I2S2_BCLK_SW]); |
| 174 | if (ret) { |
| 175 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 176 | __func__, aud_clks[CLK_I2S2_BCLK_SW], ret); |
| 177 | goto CLK_I2S2_BCLK_SW_ERR; |
| 178 | } |
| 179 | |
| 180 | ret = clk_prepare_enable(afe_priv->clk[CLK_I2S3_BCLK_SW]); |
| 181 | if (ret) { |
| 182 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 183 | __func__, aud_clks[CLK_I2S3_BCLK_SW], ret); |
| 184 | goto CLK_I2S3_BCLK_SW_ERR; |
| 185 | } |
| 186 | |
| 187 | ret = clk_prepare_enable(afe_priv->clk[CLK_I2S4_BCLK_SW]); |
| 188 | if (ret) { |
| 189 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 190 | __func__, aud_clks[CLK_I2S4_BCLK_SW], ret); |
| 191 | goto CLK_I2S4_BCLK_SW_ERR; |
| 192 | } |
| 193 | |
| 194 | return 0; |
| 195 | |
| 196 | CLK_I2S4_BCLK_SW_ERR: |
| 197 | clk_disable_unprepare(afe_priv->clk[CLK_I2S3_BCLK_SW]); |
| 198 | CLK_I2S3_BCLK_SW_ERR: |
| 199 | clk_disable_unprepare(afe_priv->clk[CLK_I2S2_BCLK_SW]); |
| 200 | CLK_I2S2_BCLK_SW_ERR: |
| 201 | clk_disable_unprepare(afe_priv->clk[CLK_I2S1_BCLK_SW]); |
| 202 | CLK_I2S1_BCLK_SW_ERR: |
| 203 | clk_disable_unprepare(afe_priv->clk[CLK_AFE]); |
| 204 | CLK_AFE_ERR: |
| 205 | clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); |
| 206 | CLK_MUX_AUDIO_INTBUS_ERR: |
| 207 | clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIO]); |
| 208 | CLK_MUX_AUDIO_ERR: |
| 209 | clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUDIO]); |
| 210 | CLK_INFRA_SYS_AUDIO_ERR: |
| 211 | return ret; |
| 212 | } |
| 213 | |
| 214 | int mt8183_afe_disable_clock(struct mtk_base_afe *afe) |
| 215 | { |
| 216 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 217 | |
| 218 | clk_disable_unprepare(afe_priv->clk[CLK_I2S4_BCLK_SW]); |
| 219 | clk_disable_unprepare(afe_priv->clk[CLK_I2S3_BCLK_SW]); |
| 220 | clk_disable_unprepare(afe_priv->clk[CLK_I2S2_BCLK_SW]); |
| 221 | clk_disable_unprepare(afe_priv->clk[CLK_I2S1_BCLK_SW]); |
| 222 | clk_disable_unprepare(afe_priv->clk[CLK_AFE]); |
| 223 | clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); |
| 224 | clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIO]); |
| 225 | clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUDIO]); |
| 226 | |
| 227 | return 0; |
| 228 | } |
| 229 | |
| 230 | /* apll */ |
| 231 | static int apll1_mux_setting(struct mtk_base_afe *afe, bool enable) |
| 232 | { |
| 233 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 234 | int ret; |
| 235 | |
| 236 | if (enable) { |
| 237 | ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_1]); |
| 238 | if (ret) { |
| 239 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 240 | __func__, aud_clks[CLK_TOP_MUX_AUD_1], ret); |
| 241 | goto ERR_ENABLE_CLK_TOP_MUX_AUD_1; |
| 242 | } |
| 243 | ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_1], |
| 244 | afe_priv->clk[CLK_TOP_APLL1_CK]); |
| 245 | if (ret) { |
| 246 | dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", |
| 247 | __func__, aud_clks[CLK_TOP_MUX_AUD_1], |
| 248 | aud_clks[CLK_TOP_APLL1_CK], ret); |
| 249 | goto ERR_SELECT_CLK_TOP_MUX_AUD_1; |
| 250 | } |
| 251 | |
| 252 | /* 180.6336 / 8 = 22.5792MHz */ |
| 253 | ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1]); |
| 254 | if (ret) { |
| 255 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 256 | __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], ret); |
| 257 | goto ERR_ENABLE_CLK_TOP_MUX_AUD_ENG1; |
| 258 | } |
| 259 | ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], |
| 260 | afe_priv->clk[CLK_TOP_APLL1_D8]); |
| 261 | if (ret) { |
| 262 | dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", |
| 263 | __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], |
| 264 | aud_clks[CLK_TOP_APLL1_D8], ret); |
| 265 | goto ERR_SELECT_CLK_TOP_MUX_AUD_ENG1; |
| 266 | } |
| 267 | } else { |
| 268 | ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], |
| 269 | afe_priv->clk[CLK_CLK26M]); |
| 270 | if (ret) { |
| 271 | dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", |
| 272 | __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], |
| 273 | aud_clks[CLK_CLK26M], ret); |
| 274 | goto EXIT; |
| 275 | } |
| 276 | clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1]); |
| 277 | |
| 278 | ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_1], |
| 279 | afe_priv->clk[CLK_CLK26M]); |
| 280 | if (ret) { |
| 281 | dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", |
| 282 | __func__, aud_clks[CLK_TOP_MUX_AUD_1], |
| 283 | aud_clks[CLK_CLK26M], ret); |
| 284 | goto EXIT; |
| 285 | } |
| 286 | clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_1]); |
| 287 | } |
| 288 | |
| 289 | return 0; |
| 290 | |
| 291 | ERR_SELECT_CLK_TOP_MUX_AUD_ENG1: |
| 292 | clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], |
| 293 | afe_priv->clk[CLK_CLK26M]); |
| 294 | clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1]); |
| 295 | ERR_ENABLE_CLK_TOP_MUX_AUD_ENG1: |
| 296 | ERR_SELECT_CLK_TOP_MUX_AUD_1: |
| 297 | clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_1], |
| 298 | afe_priv->clk[CLK_CLK26M]); |
| 299 | clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_1]); |
| 300 | ERR_ENABLE_CLK_TOP_MUX_AUD_1: |
| 301 | EXIT: |
| 302 | return ret; |
| 303 | } |
| 304 | |
| 305 | static int apll2_mux_setting(struct mtk_base_afe *afe, bool enable) |
| 306 | { |
| 307 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 308 | int ret; |
| 309 | |
| 310 | if (enable) { |
| 311 | ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_2]); |
| 312 | if (ret) { |
| 313 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 314 | __func__, aud_clks[CLK_TOP_MUX_AUD_2], ret); |
| 315 | goto ERR_ENABLE_CLK_TOP_MUX_AUD_2; |
| 316 | } |
| 317 | ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_2], |
| 318 | afe_priv->clk[CLK_TOP_APLL2_CK]); |
| 319 | if (ret) { |
| 320 | dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", |
| 321 | __func__, aud_clks[CLK_TOP_MUX_AUD_2], |
| 322 | aud_clks[CLK_TOP_APLL2_CK], ret); |
| 323 | goto ERR_SELECT_CLK_TOP_MUX_AUD_2; |
| 324 | } |
| 325 | |
| 326 | /* 196.608 / 8 = 24.576MHz */ |
| 327 | ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2]); |
| 328 | if (ret) { |
| 329 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 330 | __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], ret); |
| 331 | goto ERR_ENABLE_CLK_TOP_MUX_AUD_ENG2; |
| 332 | } |
| 333 | ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], |
| 334 | afe_priv->clk[CLK_TOP_APLL2_D8]); |
| 335 | if (ret) { |
| 336 | dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", |
| 337 | __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], |
| 338 | aud_clks[CLK_TOP_APLL2_D8], ret); |
| 339 | goto ERR_SELECT_CLK_TOP_MUX_AUD_ENG2; |
| 340 | } |
| 341 | } else { |
| 342 | ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], |
| 343 | afe_priv->clk[CLK_CLK26M]); |
| 344 | if (ret) { |
| 345 | dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", |
| 346 | __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], |
| 347 | aud_clks[CLK_CLK26M], ret); |
| 348 | goto EXIT; |
| 349 | } |
| 350 | clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2]); |
| 351 | |
| 352 | ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_2], |
| 353 | afe_priv->clk[CLK_CLK26M]); |
| 354 | if (ret) { |
| 355 | dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", |
| 356 | __func__, aud_clks[CLK_TOP_MUX_AUD_2], |
| 357 | aud_clks[CLK_CLK26M], ret); |
| 358 | goto EXIT; |
| 359 | } |
| 360 | clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_2]); |
| 361 | } |
| 362 | |
| 363 | return 0; |
| 364 | |
| 365 | ERR_SELECT_CLK_TOP_MUX_AUD_ENG2: |
| 366 | clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], |
| 367 | afe_priv->clk[CLK_CLK26M]); |
| 368 | clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2]); |
| 369 | ERR_ENABLE_CLK_TOP_MUX_AUD_ENG2: |
| 370 | ERR_SELECT_CLK_TOP_MUX_AUD_2: |
| 371 | clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_2], |
| 372 | afe_priv->clk[CLK_CLK26M]); |
| 373 | clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_2]); |
| 374 | ERR_ENABLE_CLK_TOP_MUX_AUD_2: |
| 375 | EXIT: |
| 376 | return ret; |
| 377 | } |
| 378 | |
| 379 | int mt8183_apll1_enable(struct mtk_base_afe *afe) |
| 380 | { |
| 381 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 382 | int ret; |
| 383 | |
| 384 | /* setting for APLL */ |
| 385 | apll1_mux_setting(afe, true); |
| 386 | |
| 387 | ret = clk_prepare_enable(afe_priv->clk[CLK_APLL22M]); |
| 388 | if (ret) { |
| 389 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 390 | __func__, aud_clks[CLK_APLL22M], ret); |
| 391 | goto ERR_CLK_APLL22M; |
| 392 | } |
| 393 | |
| 394 | ret = clk_prepare_enable(afe_priv->clk[CLK_APLL1_TUNER]); |
| 395 | if (ret) { |
| 396 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 397 | __func__, aud_clks[CLK_APLL1_TUNER], ret); |
| 398 | goto ERR_CLK_APLL1_TUNER; |
| 399 | } |
| 400 | |
| 401 | regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, |
| 402 | 0x0000FFF7, 0x00000832); |
| 403 | regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, 0x1, 0x1); |
| 404 | |
| 405 | regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, |
| 406 | AFE_22M_ON_MASK_SFT, |
| 407 | 0x1 << AFE_22M_ON_SFT); |
| 408 | |
| 409 | return 0; |
| 410 | |
| 411 | ERR_CLK_APLL1_TUNER: |
| 412 | clk_disable_unprepare(afe_priv->clk[CLK_APLL22M]); |
| 413 | ERR_CLK_APLL22M: |
| 414 | return ret; |
| 415 | } |
| 416 | |
| 417 | void mt8183_apll1_disable(struct mtk_base_afe *afe) |
| 418 | { |
| 419 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 420 | |
| 421 | regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, |
| 422 | AFE_22M_ON_MASK_SFT, |
| 423 | 0x0 << AFE_22M_ON_SFT); |
| 424 | |
| 425 | regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, 0x1, 0x0); |
| 426 | |
| 427 | clk_disable_unprepare(afe_priv->clk[CLK_APLL1_TUNER]); |
| 428 | clk_disable_unprepare(afe_priv->clk[CLK_APLL22M]); |
| 429 | |
| 430 | apll1_mux_setting(afe, false); |
| 431 | } |
| 432 | |
| 433 | int mt8183_apll2_enable(struct mtk_base_afe *afe) |
| 434 | { |
| 435 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 436 | int ret; |
| 437 | |
| 438 | /* setting for APLL */ |
| 439 | apll2_mux_setting(afe, true); |
| 440 | |
| 441 | ret = clk_prepare_enable(afe_priv->clk[CLK_APLL24M]); |
| 442 | if (ret) { |
| 443 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 444 | __func__, aud_clks[CLK_APLL24M], ret); |
| 445 | goto ERR_CLK_APLL24M; |
| 446 | } |
| 447 | |
| 448 | ret = clk_prepare_enable(afe_priv->clk[CLK_APLL2_TUNER]); |
| 449 | if (ret) { |
| 450 | dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", |
| 451 | __func__, aud_clks[CLK_APLL2_TUNER], ret); |
| 452 | goto ERR_CLK_APLL2_TUNER; |
| 453 | } |
| 454 | |
| 455 | regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, |
| 456 | 0x0000FFF7, 0x00000634); |
| 457 | regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, 0x1, 0x1); |
| 458 | |
| 459 | regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, |
| 460 | AFE_24M_ON_MASK_SFT, |
| 461 | 0x1 << AFE_24M_ON_SFT); |
| 462 | |
| 463 | return 0; |
| 464 | |
| 465 | ERR_CLK_APLL2_TUNER: |
| 466 | clk_disable_unprepare(afe_priv->clk[CLK_APLL24M]); |
| 467 | ERR_CLK_APLL24M: |
| 468 | return ret; |
| 469 | } |
| 470 | |
| 471 | void mt8183_apll2_disable(struct mtk_base_afe *afe) |
| 472 | { |
| 473 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 474 | |
| 475 | regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, |
| 476 | AFE_24M_ON_MASK_SFT, |
| 477 | 0x0 << AFE_24M_ON_SFT); |
| 478 | |
| 479 | regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, 0x1, 0x0); |
| 480 | |
| 481 | clk_disable_unprepare(afe_priv->clk[CLK_APLL2_TUNER]); |
| 482 | clk_disable_unprepare(afe_priv->clk[CLK_APLL24M]); |
| 483 | |
| 484 | apll2_mux_setting(afe, false); |
| 485 | } |
| 486 | |
| 487 | int mt8183_get_apll_rate(struct mtk_base_afe *afe, int apll) |
| 488 | { |
| 489 | return (apll == MT8183_APLL1) ? 180633600 : 196608000; |
| 490 | } |
| 491 | |
| 492 | int mt8183_get_apll_by_rate(struct mtk_base_afe *afe, int rate) |
| 493 | { |
| 494 | return ((rate % 8000) == 0) ? MT8183_APLL2 : MT8183_APLL1; |
| 495 | } |
| 496 | |
| 497 | int mt8183_get_apll_by_name(struct mtk_base_afe *afe, const char *name) |
| 498 | { |
| 499 | if (strcmp(name, APLL1_W_NAME) == 0) |
| 500 | return MT8183_APLL1; |
| 501 | else |
| 502 | return MT8183_APLL2; |
| 503 | } |
| 504 | |
| 505 | /* mck */ |
| 506 | struct mt8183_mck_div { |
| 507 | int m_sel_id; |
| 508 | int div_clk_id; |
| 509 | }; |
| 510 | |
| 511 | static const struct mt8183_mck_div mck_div[MT8183_MCK_NUM] = { |
| 512 | [MT8183_I2S0_MCK] = { |
| 513 | .m_sel_id = CLK_TOP_I2S0_M_SEL, |
| 514 | .div_clk_id = CLK_TOP_APLL12_DIV0, |
| 515 | }, |
| 516 | [MT8183_I2S1_MCK] = { |
| 517 | .m_sel_id = CLK_TOP_I2S1_M_SEL, |
| 518 | .div_clk_id = CLK_TOP_APLL12_DIV1, |
| 519 | }, |
| 520 | [MT8183_I2S2_MCK] = { |
| 521 | .m_sel_id = CLK_TOP_I2S2_M_SEL, |
| 522 | .div_clk_id = CLK_TOP_APLL12_DIV2, |
| 523 | }, |
| 524 | [MT8183_I2S3_MCK] = { |
| 525 | .m_sel_id = CLK_TOP_I2S3_M_SEL, |
| 526 | .div_clk_id = CLK_TOP_APLL12_DIV3, |
| 527 | }, |
| 528 | [MT8183_I2S4_MCK] = { |
| 529 | .m_sel_id = CLK_TOP_I2S4_M_SEL, |
| 530 | .div_clk_id = CLK_TOP_APLL12_DIV4, |
| 531 | }, |
| 532 | [MT8183_I2S4_BCK] = { |
| 533 | .m_sel_id = -1, |
| 534 | .div_clk_id = CLK_TOP_APLL12_DIVB, |
| 535 | }, |
| 536 | [MT8183_I2S5_MCK] = { |
| 537 | .m_sel_id = -1, |
| 538 | .div_clk_id = -1, |
| 539 | }, |
| 540 | }; |
| 541 | |
| 542 | int mt8183_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate) |
| 543 | { |
| 544 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 545 | int apll = mt8183_get_apll_by_rate(afe, rate); |
| 546 | int apll_clk_id = apll == MT8183_APLL1 ? |
| 547 | CLK_TOP_MUX_AUD_1 : CLK_TOP_MUX_AUD_2; |
| 548 | int m_sel_id = mck_div[mck_id].m_sel_id; |
| 549 | int div_clk_id = mck_div[mck_id].div_clk_id; |
| 550 | int ret; |
| 551 | |
| 552 | /* i2s5 mck not support */ |
| 553 | if (mck_id == MT8183_I2S5_MCK) |
| 554 | return 0; |
| 555 | |
| 556 | /* select apll */ |
| 557 | if (m_sel_id >= 0) { |
| 558 | ret = clk_prepare_enable(afe_priv->clk[m_sel_id]); |
| 559 | if (ret) { |
| 560 | dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", |
| 561 | __func__, aud_clks[m_sel_id], ret); |
| 562 | goto ERR_ENABLE_MCLK; |
| 563 | } |
| 564 | ret = clk_set_parent(afe_priv->clk[m_sel_id], |
| 565 | afe_priv->clk[apll_clk_id]); |
| 566 | if (ret) { |
| 567 | dev_err(afe->dev, "%s(), clk_set_parent %s-%s fail %d\n", |
| 568 | __func__, aud_clks[m_sel_id], |
| 569 | aud_clks[apll_clk_id], ret); |
| 570 | goto ERR_SELECT_MCLK; |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | /* enable div, set rate */ |
| 575 | ret = clk_prepare_enable(afe_priv->clk[div_clk_id]); |
| 576 | if (ret) { |
| 577 | dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", |
| 578 | __func__, aud_clks[div_clk_id], ret); |
| 579 | goto ERR_ENABLE_MCLK_DIV; |
| 580 | } |
| 581 | ret = clk_set_rate(afe_priv->clk[div_clk_id], rate); |
| 582 | if (ret) { |
| 583 | dev_err(afe->dev, "%s(), clk_set_rate %s, rate %d, fail %d\n", |
| 584 | __func__, aud_clks[div_clk_id], |
| 585 | rate, ret); |
| 586 | goto ERR_SET_MCLK_RATE; |
| 587 | return ret; |
| 588 | } |
| 589 | |
| 590 | return 0; |
| 591 | |
| 592 | ERR_SET_MCLK_RATE: |
| 593 | clk_disable_unprepare(afe_priv->clk[div_clk_id]); |
| 594 | ERR_ENABLE_MCLK_DIV: |
| 595 | ERR_SELECT_MCLK: |
| 596 | if (m_sel_id >= 0) |
| 597 | clk_disable_unprepare(afe_priv->clk[m_sel_id]); |
| 598 | ERR_ENABLE_MCLK: |
| 599 | return ret; |
| 600 | } |
| 601 | |
| 602 | void mt8183_mck_disable(struct mtk_base_afe *afe, int mck_id) |
| 603 | { |
| 604 | struct mt8183_afe_private *afe_priv = afe->platform_priv; |
| 605 | int m_sel_id = mck_div[mck_id].m_sel_id; |
| 606 | int div_clk_id = mck_div[mck_id].div_clk_id; |
| 607 | |
Tzung-Bi Shih | 9729e3b | 2019-03-07 10:35:58 +0800 | [diff] [blame] | 608 | /* i2s5 mck not support */ |
| 609 | if (mck_id == MT8183_I2S5_MCK) |
| 610 | return; |
| 611 | |
Shunli Wang | a94aec0 | 2019-01-22 14:39:08 +0800 | [diff] [blame] | 612 | clk_disable_unprepare(afe_priv->clk[div_clk_id]); |
| 613 | if (m_sel_id >= 0) |
| 614 | clk_disable_unprepare(afe_priv->clk[m_sel_id]); |
| 615 | } |