Add support for the video clock controller found on SM8350 based devices. Derived from the downstream driver. Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx> --- drivers/clk/qcom/Kconfig | 9 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/videocc-sm8350.c | 593 ++++++++++++++++++++++++++++++ 3 files changed, 603 insertions(+) create mode 100644 drivers/clk/qcom/videocc-sm8350.c diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index f7c99f97fa57..181967e90a8a 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -558,6 +558,15 @@ config SM_VIDEOCC_8250 Say Y if you want to support video devices and functionality such as video encode and decode. +config SM_VIDEOCC_8350 + tristate "SM8350 Video Clock Controller" + select SDM_GCC_8350 + select QCOM_GDSC + help + Support for the video clock controller on SM8350 devices. + Say Y if you want to support video devices and functionality such as + video encode and decode. + config SPMI_PMIC_CLKDIV tristate "SPMI PMIC clkdiv Support" depends on SPMI || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 69dc2a9f43d7..adf644b5c1ba 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -82,6 +82,7 @@ obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o obj-$(CONFIG_SM_GPUCC_8250) += gpucc-sm8250.o obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o +obj-$(CONFIG_SM_VIDEOCC_8350) += videocc-sm8350.o obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o obj-$(CONFIG_KPSS_XCC) += kpss-xcc.o obj-$(CONFIG_QCOM_HFPLL) += hfpll.o diff --git a/drivers/clk/qcom/videocc-sm8350.c b/drivers/clk/qcom/videocc-sm8350.c new file mode 100644 index 000000000000..37e1248454c2 --- /dev/null +++ b/drivers/clk/qcom/videocc-sm8350.c @@ -0,0 +1,593 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2019-2021, The Linux Foundation. All rights reserved. + */ + +#include <linux/clk-provider.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> + +#include <dt-bindings/clock/qcom,videocc-sm8350.h> + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "common.h" +#include "reset.h" +#include "gdsc.h" + +enum { + P_BI_TCXO, + P_CORE_BI_PLL_TEST_SE, + P_SLEEP_CLK, + P_VIDEO_PLL0_OUT_MAIN, + P_VIDEO_PLL1_OUT_MAIN, +}; + +static struct pll_vco lucid_vco[] = { + { 249600000, 1750000000, 0 }, +}; + +static const struct alpha_pll_config video_pll0_config = { + .l = 0x25, + .alpha = 0x8000, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002261, + .config_ctl_hi1_val = 0x2A9A699C, + .test_ctl_val = 0x00000000, + .test_ctl_hi_val = 0x00000000, + .test_ctl_hi1_val = 0x01800000, + .user_ctl_val = 0x00000000, + .user_ctl_hi_val = 0x00000805, + .user_ctl_hi1_val = 0x00000000, +}; + +static struct clk_alpha_pll video_pll0 = { + .offset = 0x42c, + .vco_table = lucid_vco, + .num_vco = ARRAY_SIZE(lucid_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID], + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "video_pll0", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + .name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_5lpe_ops, + }, + }, +}; + +static const struct alpha_pll_config video_pll1_config = { + .l = 0x2B, + .alpha = 0xC000, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002261, + .config_ctl_hi1_val = 0x2A9A699C, + .test_ctl_val = 0x00000000, + .test_ctl_hi_val = 0x00000000, + .test_ctl_hi1_val = 0x01800000, + .user_ctl_val = 0x00000000, + .user_ctl_hi_val = 0x00000805, + .user_ctl_hi1_val = 0x00000000, +}; + +static struct clk_alpha_pll video_pll1 = { + .offset = 0x7d0, + .vco_table = lucid_vco, + .num_vco = ARRAY_SIZE(lucid_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID], + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "video_pll1", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + .name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_5lpe_ops, + }, + }, +}; + +static const struct parent_map videocc_parent_map_0[] = { + { P_BI_TCXO, 0 }, + { P_CORE_BI_PLL_TEST_SE, 7 }, +}; + +static const struct clk_parent_data videocc_parent_data_0_ao[] = { + { .fw_name = "bi_tcxo_ao", .name = "bi_tcxo_ao" }, + { .fw_name = "core_bi_pll_test_se", .name = "core_bi_pll_test_se" }, +}; + +static const struct parent_map videocc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { P_VIDEO_PLL0_OUT_MAIN, 1 }, + { P_CORE_BI_PLL_TEST_SE, 7 }, +}; + +static const struct clk_parent_data videocc_parent_data_1[] = { + { .fw_name = "bi_tcxo" }, + { .hw = &video_pll0.clkr.hw }, + { .fw_name = "core_bi_pll_test_se", .name = "core_bi_pll_test_se" }, +}; + +static const struct parent_map videocc_parent_map_2[] = { + { P_BI_TCXO, 0 }, + { P_VIDEO_PLL1_OUT_MAIN, 1 }, + { P_CORE_BI_PLL_TEST_SE, 7 }, +}; + +static const struct clk_parent_data videocc_parent_data_2[] = { + { .fw_name = "bi_tcxo" }, + { .hw = &video_pll1.clkr.hw }, + { .fw_name = "core_bi_pll_test_se", .name = "core_bi_pll_test_se" }, +}; + +static const struct parent_map videocc_parent_map_3[] = { + { P_SLEEP_CLK, 0 }, + { P_CORE_BI_PLL_TEST_SE, 7 }, +}; + +static const struct clk_parent_data videocc_parent_data_3[] = { + { .fw_name = "sleep_clk", .name = "sleep_clk" }, + { .fw_name = "core_bi_pll_test_se", .name = "core_bi_pll_test_se" }, +}; + +static const struct freq_tbl ftbl_videocc_ahb_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + { } +}; + +static struct clk_rcg2 videocc_ahb_clk_src = { + .cmd_rcgr = 0xbd4, + .mnd_width = 0, + .hid_width = 5, + .parent_map = videocc_parent_map_0, + .freq_tbl = ftbl_videocc_ahb_clk_src, + .flags = HW_CLK_CTRL_MODE, + .clkr.hw.init = &(struct clk_init_data){ + .name = "videocc_ahb_clk_src", + .parent_data = videocc_parent_data_0_ao, + .num_parents = 2, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_ops, + }, +}; + +static const struct freq_tbl ftbl_videocc_mvs0_clk_src[] = { + F(720000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), + F(1014000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), + F(1098000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), + F(1332000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), + { } +}; + +static struct clk_rcg2 videocc_mvs0_clk_src = { + .cmd_rcgr = 0xb94, + .mnd_width = 0, + .hid_width = 5, + .parent_map = videocc_parent_map_1, + .freq_tbl = ftbl_videocc_mvs0_clk_src, + .flags = HW_CLK_CTRL_MODE, + .clkr.hw.init = &(struct clk_init_data){ + .name = "videocc_mvs0_clk_src", + .parent_data = videocc_parent_data_1, + .num_parents = ARRAY_SIZE(videocc_parent_data_1), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_ops, + }, +}; + +static const struct freq_tbl ftbl_videocc_mvs1_clk_src[] = { + F(840000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0), + F(1098000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0), + F(1332000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0), + { } +}; + +static struct clk_rcg2 videocc_mvs1_clk_src = { + .cmd_rcgr = 0xbb4, + .mnd_width = 0, + .hid_width = 5, + .parent_map = videocc_parent_map_2, + .freq_tbl = ftbl_videocc_mvs1_clk_src, + .flags = HW_CLK_CTRL_MODE, + .clkr.hw.init = &(struct clk_init_data){ + .name = "videocc_mvs1_clk_src", + .parent_data = videocc_parent_data_2, + .num_parents = ARRAY_SIZE(videocc_parent_data_2), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_ops, + }, +}; + +static const struct freq_tbl ftbl_videocc_sleep_clk_src[] = { + F(32000, P_SLEEP_CLK, 1, 0, 0), + { } +}; + +static struct clk_rcg2 videocc_sleep_clk_src = { + .cmd_rcgr = 0xef0, + .mnd_width = 0, + .hid_width = 5, + .parent_map = videocc_parent_map_3, + .freq_tbl = ftbl_videocc_sleep_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "videocc_sleep_clk_src", + .parent_data = videocc_parent_data_3, + .num_parents = ARRAY_SIZE(videocc_parent_data_3), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_ops, + }, +}; + +static struct clk_rcg2 videocc_xo_clk_src = { + .cmd_rcgr = 0xecc, + .mnd_width = 0, + .hid_width = 5, + .parent_map = videocc_parent_map_0, + .freq_tbl = ftbl_videocc_ahb_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "videocc_xo_clk_src", + .parent_data = videocc_parent_data_0_ao, + .num_parents = ARRAY_SIZE(videocc_parent_data_0_ao), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_ops, + }, +}; + +static struct clk_regmap_div videocc_mvs0_div_clk_src = { + .reg = 0xd54, + .shift = 0, + .width = 4, + .clkr.hw.init = &(struct clk_init_data) { + .name = "videocc_mvs0_div_clk_src", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_mvs0_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_regmap_div videocc_mvs0c_div2_div_clk_src = { + .reg = 0xc54, + .shift = 0, + .width = 4, + .clkr.hw.init = &(struct clk_init_data) { + .name = "videocc_mvs0c_div2_div_clk_src", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_mvs0_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_regmap_div videocc_mvs1_div_clk_src = { + .reg = 0xdd4, + .shift = 0, + .width = 4, + .clkr.hw.init = &(struct clk_init_data) { + .name = "videocc_mvs1_div_clk_src", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_mvs1_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_regmap_div videocc_mvs1c_div2_div_clk_src = { + .reg = 0xcf4, + .shift = 0, + .width = 4, + .clkr.hw.init = &(struct clk_init_data) { + .name = "videocc_mvs1c_div2_div_clk_src", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_mvs1_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_branch videocc_mvs0_clk = { + .halt_reg = 0xd34, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0xd34, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0xd34, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "videocc_mvs0_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_mvs0_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch videocc_mvs0c_clk = { + .halt_reg = 0xc34, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0xc34, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "videocc_mvs0c_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_mvs0c_div2_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch videocc_mvs1_clk = { + .halt_reg = 0xdb4, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0xdb4, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0xdb4, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "videocc_mvs1_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_mvs1_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch videocc_mvs1_div2_clk = { + .halt_reg = 0xdf4, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0xdf4, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0xdf4, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "videocc_mvs1_div2_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_mvs1c_div2_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch videocc_mvs1c_clk = { + .halt_reg = 0xcd4, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0xcd4, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "videocc_mvs1c_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_mvs1c_div2_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch videocc_sleep_clk = { + .halt_reg = 0xf10, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0xf10, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "videocc_sleep_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &videocc_sleep_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct gdsc mvs0c_gdsc = { + .gdscr = 0xbf8, + .pd = { + .name = "mvs0c_gdsc", + }, + .flags = 0, + .pwrsts = PWRSTS_OFF_ON, + .supply = "mmcx", +}; + +static struct gdsc mvs1c_gdsc = { + .gdscr = 0xc98, + .pd = { + .name = "mvs1c_gdsc", + }, + .flags = 0, + .pwrsts = PWRSTS_OFF_ON, + .supply = "mmcx", +}; + +static struct gdsc mvs0_gdsc = { + .gdscr = 0xd18, + .pd = { + .name = "mvs0_gdsc", + }, + .flags = HW_CTRL, + .pwrsts = PWRSTS_OFF_ON, + .supply = "mmcx", +}; + +static struct gdsc mvs1_gdsc = { + .gdscr = 0xd98, + .pd = { + .name = "mvs1_gdsc", + }, + .flags = HW_CTRL, + .pwrsts = PWRSTS_OFF_ON, + .supply = "mmcx", +}; + +static struct clk_regmap *videocc_sm8350_clocks[] = { + [VIDEO_CC_AHB_CLK_SRC] = &videocc_ahb_clk_src.clkr, + [VIDEO_CC_MVS0_CLK] = &videocc_mvs0_clk.clkr, + [VIDEO_CC_MVS0_CLK_SRC] = &videocc_mvs0_clk_src.clkr, + [VIDEO_CC_MVS0_DIV_CLK_SRC] = &videocc_mvs0_div_clk_src.clkr, + [VIDEO_CC_MVS0C_CLK] = &videocc_mvs0c_clk.clkr, + [VIDEO_CC_MVS0C_DIV2_DIV_CLK_SRC] = &videocc_mvs0c_div2_div_clk_src.clkr, + [VIDEO_CC_MVS1_CLK] = &videocc_mvs1_clk.clkr, + [VIDEO_CC_MVS1_CLK_SRC] = &videocc_mvs1_clk_src.clkr, + [VIDEO_CC_MVS1_DIV2_CLK] = &videocc_mvs1_div2_clk.clkr, + [VIDEO_CC_MVS1_DIV_CLK_SRC] = &videocc_mvs1_div_clk_src.clkr, + [VIDEO_CC_MVS1C_CLK] = &videocc_mvs1c_clk.clkr, + [VIDEO_CC_MVS1C_DIV2_DIV_CLK_SRC] = &videocc_mvs1c_div2_div_clk_src.clkr, + [VIDEO_CC_SLEEP_CLK] = &videocc_sleep_clk.clkr, + [VIDEO_CC_SLEEP_CLK_SRC] = &videocc_sleep_clk_src.clkr, + [VIDEO_CC_XO_CLK_SRC] = &videocc_xo_clk_src.clkr, + [VIDEO_PLL0] = &video_pll0.clkr, + [VIDEO_PLL1] = &video_pll1.clkr, +}; + +static const struct qcom_reset_map videocc_sm8350_resets[] = { + [VIDEO_CC_CVP_INTERFACE_BCR] = { 0xe54 }, + [VIDEO_CC_CVP_MVS0_BCR] = { 0xd14 }, + [VIDEO_CC_MVS0C_CLK_ARES] = { 0xc34, 2 }, + [VIDEO_CC_CVP_MVS0C_BCR] = { 0xbf4 }, + [VIDEO_CC_CVP_MVS1_BCR] = { 0xd94 }, + [VIDEO_CC_MVS1C_CLK_ARES] = { 0xcd4, 2 }, + [VIDEO_CC_CVP_MVS1C_BCR] = { 0xc94 }, +}; + +static struct gdsc *videocc_sm8350_gdscs[] = { + [MVS0C_GDSC] = &mvs0c_gdsc, + [MVS1C_GDSC] = &mvs1c_gdsc, + [MVS0_GDSC] = &mvs0_gdsc, + [MVS1_GDSC] = &mvs1_gdsc, +}; + +static const struct regmap_config videocc_sm8350_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0xf4c, + .fast_io = true, +}; + +static struct qcom_cc_desc videocc_sm8350_desc = { + .config = &videocc_sm8350_regmap_config, + .clks = videocc_sm8350_clocks, + .num_clks = ARRAY_SIZE(videocc_sm8350_clocks), + .resets = videocc_sm8350_resets, + .num_resets = ARRAY_SIZE(videocc_sm8350_resets), + .gdscs = videocc_sm8350_gdscs, + .num_gdscs = ARRAY_SIZE(videocc_sm8350_gdscs), +}; + +static const struct of_device_id videocc_sm8350_match_table[] = { + { .compatible = "qcom,sm8350-videocc" }, + { } +}; +MODULE_DEVICE_TABLE(of, videocc_sm8350_match_table); + +static int videocc_sm8350_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + int ret; + + regmap = qcom_cc_map(pdev, &videocc_sm8350_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + ret = qcom_cc_runtime_init(pdev, &videocc_sm8350_desc); + if (ret) + return ret; + + ret = pm_runtime_resume_and_get(&pdev->dev); + if (ret) + goto err_pm; + + clk_lucid_5lpe_pll_configure(&video_pll0, regmap, &video_pll0_config); + clk_lucid_5lpe_pll_configure(&video_pll1, regmap, &video_pll1_config); + + /* + * Keep clocks always enabled: + * videocc_ahb_clk + * videocc_xo_clk + */ + regmap_update_bits(regmap, 0xe58, BIT(0), BIT(0)); + regmap_update_bits(regmap, 0xeec, BIT(0), BIT(0)); + + ret = qcom_cc_really_probe(pdev, &videocc_sm8350_desc, regmap); + if (ret) { + dev_err(&pdev->dev, "Failed to register VIDEOCC clocks\n"); + goto err_pm; + } + + pm_runtime_put_sync(&pdev->dev); + dev_info(&pdev->dev, "Registered VIDEOCC clocks\n"); + + return ret; + +err_pm: + pm_runtime_disable(&pdev->dev); + + return ret; +} + +static const struct dev_pm_ops videocc_sm8350_pm_ops = { + SET_RUNTIME_PM_OPS(qcom_cc_runtime_suspend, qcom_cc_runtime_resume, NULL) + SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) +}; + +static struct platform_driver videocc_sm8350_driver = { + .probe = videocc_sm8350_probe, + .driver = { + .name = "sm8350-videocc", + .of_match_table = videocc_sm8350_match_table, + .pm = &videocc_sm8350_pm_ops, + }, +}; + +static int __init videocc_sm8350_init(void) +{ + return platform_driver_register(&videocc_sm8350_driver); +} +subsys_initcall(videocc_sm8350_init); + +static void __exit videocc_sm8350_exit(void) +{ + platform_driver_unregister(&videocc_sm8350_driver); +} +module_exit(videocc_sm8350_exit); + +MODULE_DESCRIPTION("QTI VIDEOCC SM8350 Driver"); +MODULE_LICENSE("GPL v2"); -- 2.30.2