blob: c801e871b39706cb568251c2ba3f3c3c7ba7377e
| 1 | /* |
| 2 | * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along |
| 15 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | * |
| 18 | * Description: |
| 19 | */ |
| 20 | #include <linux/clk.h> |
| 21 | #include <linux/of_address.h> |
| 22 | #include <linux/of_platform.h> |
| 23 | #include <linux/pm_runtime.h> |
| 24 | |
| 25 | #include "aml_vcodec_dec_pm.h" |
| 26 | #include "aml_vcodec_util.h" |
| 27 | //#include "aml_vpu.h" |
| 28 | |
| 29 | int aml_vcodec_init_dec_pm(struct aml_vcodec_dev *amldev) |
| 30 | { |
| 31 | struct device_node *node; |
| 32 | struct platform_device *pdev; |
| 33 | struct aml_vcodec_pm *pm; |
| 34 | int ret = 0; |
| 35 | |
| 36 | pdev = amldev->plat_dev; |
| 37 | pm = &amldev->pm; |
| 38 | pm->amldev = amldev; |
| 39 | node = of_parse_phandle(pdev->dev.of_node, "larb", 0); |
| 40 | if (!node) { |
| 41 | aml_v4l2_err("of_parse_phandle larb fail!"); |
| 42 | return -1; |
| 43 | } |
| 44 | |
| 45 | pdev = of_find_device_by_node(node); |
| 46 | if (WARN_ON(!pdev)) { |
| 47 | of_node_put(node); |
| 48 | return -1; |
| 49 | } |
| 50 | pm->larbvdec = &pdev->dev; |
| 51 | pdev = amldev->plat_dev; |
| 52 | pm->dev = &pdev->dev; |
| 53 | |
| 54 | pm->vcodecpll = devm_clk_get(&pdev->dev, "vcodecpll"); |
| 55 | if (IS_ERR(pm->vcodecpll)) { |
| 56 | aml_v4l2_err("devm_clk_get vcodecpll fail"); |
| 57 | ret = PTR_ERR(pm->vcodecpll); |
| 58 | } |
| 59 | |
| 60 | pm->univpll_d2 = devm_clk_get(&pdev->dev, "univpll_d2"); |
| 61 | if (IS_ERR(pm->univpll_d2)) { |
| 62 | aml_v4l2_err("devm_clk_get univpll_d2 fail"); |
| 63 | ret = PTR_ERR(pm->univpll_d2); |
| 64 | } |
| 65 | |
| 66 | pm->clk_cci400_sel = devm_clk_get(&pdev->dev, "clk_cci400_sel"); |
| 67 | if (IS_ERR(pm->clk_cci400_sel)) { |
| 68 | aml_v4l2_err("devm_clk_get clk_cci400_sel fail"); |
| 69 | ret = PTR_ERR(pm->clk_cci400_sel); |
| 70 | } |
| 71 | |
| 72 | pm->vdec_sel = devm_clk_get(&pdev->dev, "vdec_sel"); |
| 73 | if (IS_ERR(pm->vdec_sel)) { |
| 74 | aml_v4l2_err("devm_clk_get vdec_sel fail"); |
| 75 | ret = PTR_ERR(pm->vdec_sel); |
| 76 | } |
| 77 | |
| 78 | pm->vdecpll = devm_clk_get(&pdev->dev, "vdecpll"); |
| 79 | if (IS_ERR(pm->vdecpll)) { |
| 80 | aml_v4l2_err("devm_clk_get vdecpll fail"); |
| 81 | ret = PTR_ERR(pm->vdecpll); |
| 82 | } |
| 83 | |
| 84 | pm->vencpll = devm_clk_get(&pdev->dev, "vencpll"); |
| 85 | if (IS_ERR(pm->vencpll)) { |
| 86 | aml_v4l2_err("devm_clk_get vencpll fail"); |
| 87 | ret = PTR_ERR(pm->vencpll); |
| 88 | } |
| 89 | |
| 90 | pm->venc_lt_sel = devm_clk_get(&pdev->dev, "venc_lt_sel"); |
| 91 | if (IS_ERR(pm->venc_lt_sel)) { |
| 92 | aml_v4l2_err("devm_clk_get venc_lt_sel fail"); |
| 93 | ret = PTR_ERR(pm->venc_lt_sel); |
| 94 | } |
| 95 | |
| 96 | pm->vdec_bus_clk_src = devm_clk_get(&pdev->dev, "vdec_bus_clk_src"); |
| 97 | if (IS_ERR(pm->vdec_bus_clk_src)) { |
| 98 | aml_v4l2_err("devm_clk_get vdec_bus_clk_src"); |
| 99 | ret = PTR_ERR(pm->vdec_bus_clk_src); |
| 100 | } |
| 101 | |
| 102 | pm_runtime_enable(&pdev->dev); |
| 103 | |
| 104 | return ret; |
| 105 | } |
| 106 | |
| 107 | void aml_vcodec_release_dec_pm(struct aml_vcodec_dev *dev) |
| 108 | { |
| 109 | pm_runtime_disable(dev->pm.dev); |
| 110 | } |
| 111 | |
| 112 | void aml_vcodec_dec_pw_on(struct aml_vcodec_pm *pm) |
| 113 | { |
| 114 | int ret; |
| 115 | |
| 116 | ret = pm_runtime_get_sync(pm->dev); |
| 117 | if (ret) |
| 118 | aml_v4l2_err("pm_runtime_get_sync fail %d", ret); |
| 119 | } |
| 120 | |
| 121 | void aml_vcodec_dec_pw_off(struct aml_vcodec_pm *pm) |
| 122 | { |
| 123 | int ret; |
| 124 | |
| 125 | ret = pm_runtime_put_sync(pm->dev); |
| 126 | if (ret) |
| 127 | aml_v4l2_err("pm_runtime_put_sync fail %d", ret); |
| 128 | } |
| 129 | |
| 130 | void aml_vcodec_dec_clock_on(struct aml_vcodec_pm *pm) |
| 131 | { |
| 132 | int ret; |
| 133 | |
| 134 | ret = clk_set_rate(pm->vcodecpll, 1482 * 1000000); |
| 135 | if (ret) |
| 136 | aml_v4l2_err("clk_set_rate vcodecpll fail %d", ret); |
| 137 | |
| 138 | ret = clk_set_rate(pm->vencpll, 800 * 1000000); |
| 139 | if (ret) |
| 140 | aml_v4l2_err("clk_set_rate vencpll fail %d", ret); |
| 141 | |
| 142 | ret = clk_prepare_enable(pm->vcodecpll); |
| 143 | if (ret) |
| 144 | aml_v4l2_err("clk_prepare_enable vcodecpll fail %d", ret); |
| 145 | |
| 146 | ret = clk_prepare_enable(pm->vencpll); |
| 147 | if (ret) |
| 148 | aml_v4l2_err("clk_prepare_enable vencpll fail %d", ret); |
| 149 | |
| 150 | ret = clk_prepare_enable(pm->vdec_bus_clk_src); |
| 151 | if (ret) |
| 152 | aml_v4l2_err("clk_prepare_enable vdec_bus_clk_src fail %d", |
| 153 | ret); |
| 154 | |
| 155 | ret = clk_prepare_enable(pm->venc_lt_sel); |
| 156 | if (ret) |
| 157 | aml_v4l2_err("clk_prepare_enable venc_lt_sel fail %d", ret); |
| 158 | |
| 159 | ret = clk_set_parent(pm->venc_lt_sel, pm->vdec_bus_clk_src); |
| 160 | if (ret) |
| 161 | aml_v4l2_err("clk_set_parent venc_lt_sel vdec_bus_clk_src fail %d", |
| 162 | ret); |
| 163 | |
| 164 | ret = clk_prepare_enable(pm->univpll_d2); |
| 165 | if (ret) |
| 166 | aml_v4l2_err("clk_prepare_enable univpll_d2 fail %d", ret); |
| 167 | |
| 168 | ret = clk_prepare_enable(pm->clk_cci400_sel); |
| 169 | if (ret) |
| 170 | aml_v4l2_err("clk_prepare_enable clk_cci400_sel fail %d", ret); |
| 171 | |
| 172 | ret = clk_set_parent(pm->clk_cci400_sel, pm->univpll_d2); |
| 173 | if (ret) |
| 174 | aml_v4l2_err("clk_set_parent clk_cci400_sel univpll_d2 fail %d", |
| 175 | ret); |
| 176 | |
| 177 | ret = clk_prepare_enable(pm->vdecpll); |
| 178 | if (ret) |
| 179 | aml_v4l2_err("clk_prepare_enable vdecpll fail %d", ret); |
| 180 | |
| 181 | ret = clk_prepare_enable(pm->vdec_sel); |
| 182 | if (ret) |
| 183 | aml_v4l2_err("clk_prepare_enable vdec_sel fail %d", ret); |
| 184 | |
| 185 | ret = clk_set_parent(pm->vdec_sel, pm->vdecpll); |
| 186 | if (ret) |
| 187 | aml_v4l2_err("clk_set_parent vdec_sel vdecpll fail %d", ret); |
| 188 | |
| 189 | //ret = aml_smi_larb_get(pm->larbvdec); |
| 190 | if (ret) |
| 191 | aml_v4l2_err("aml_smi_larb_get larbvdec fail %d", ret); |
| 192 | |
| 193 | } |
| 194 | |
| 195 | void aml_vcodec_dec_clock_off(struct aml_vcodec_pm *pm) |
| 196 | { |
| 197 | //aml_smi_larb_put(pm->larbvdec); |
| 198 | clk_disable_unprepare(pm->vdec_sel); |
| 199 | clk_disable_unprepare(pm->vdecpll); |
| 200 | clk_disable_unprepare(pm->univpll_d2); |
| 201 | clk_disable_unprepare(pm->clk_cci400_sel); |
| 202 | clk_disable_unprepare(pm->venc_lt_sel); |
| 203 | clk_disable_unprepare(pm->vdec_bus_clk_src); |
| 204 | clk_disable_unprepare(pm->vencpll); |
| 205 | clk_disable_unprepare(pm->vcodecpll); |
| 206 | } |
| 207 |