diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index b6c7b4f1a478..e97151071c06 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -811,6 +811,15 @@ config SDW_DEBUGCC_MONACO Say Y if you want to support the debug clocks such as clock measurement functionality. +config SM_GPUCC_BLAIR + tristate "BLAIR Graphics Clock Controller" + select SM_GCC_BLAIR + help + Support for the graphics clock controller on Qualcomm Technologies, + Inc. BLAIR devices. + Say Y if you want to support graphics controller devices and + functionality such as 3D graphics. + endif config VIRTIO_CLK diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 829be1524a33..b6268a7c0814 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -99,6 +99,7 @@ obj-$(CONFIG_SM_GCC_SHIMA) += gcc-shima.o obj-$(CONFIG_SM_GCC_YUPIK) += gcc-yupik.o obj-$(CONFIG_SM_GPUCC_6150) += gpucc-sm6150.o obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o +obj-$(CONFIG_SM_GPUCC_BLAIR) += gpucc-blair.o obj-$(CONFIG_SM_GPUCC_HOLI) += gpucc-holi.o obj-$(CONFIG_SM_GPUCC_SHIMA) += gpucc-shima.o obj-$(CONFIG_SM_GPUCC_YUPIK) += gpucc-yupik.o diff --git a/drivers/clk/qcom/gpucc-blair.c b/drivers/clk/qcom/gpucc-blair.c new file mode 100644 index 000000000000..c92a8c7bc6f2 --- /dev/null +++ b/drivers/clk/qcom/gpucc-blair.c @@ -0,0 +1,516 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "common.h" +#include "reset.h" +#include "vdd-level-holi.h" + +static DEFINE_VDD_REGULATORS(vdd_cx, VDD_HIGH_L1 + 1, 1, vdd_corner); +static DEFINE_VDD_REGULATORS(vdd_mx, VDD_HIGH_L1 + 1, 1, vdd_corner); +static DEFINE_VDD_REGULATORS(vdd_gx, VDD_HIGH_L1 + 1, 1, vdd_corner); + +static struct clk_vdd_class *gpu_cc_blair_regulators[] = { + &vdd_cx, + &vdd_mx, + &vdd_gx, +}; + +enum { + P_BI_TCXO, + P_GCC_GPU_GPLL0_CLK_SRC, + P_GCC_GPU_GPLL0_DIV_CLK_SRC, + P_GPU_CC_PLL0_OUT_EVEN, + P_GPU_CC_PLL0_OUT_MAIN, + P_GPU_CC_PLL0_OUT_ODD, + P_GPU_CC_PLL1_OUT_EVEN, + P_GPU_CC_PLL1_OUT_MAIN, + P_GPU_CC_PLL1_OUT_ODD, +}; + +static struct pll_vco lucid_vco[] = { + { 249600000, 2000000000, 0 }, +}; + +/* 532MHz Configuration */ +static const struct alpha_pll_config gpu_cc_pll0_config = { + .l = 0x1B, + .alpha = 0xB555, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002261, + .config_ctl_hi1_val = 0x329A299C, + .user_ctl_val = 0x00000001, + .user_ctl_hi_val = 0x00000805, + .user_ctl_hi1_val = 0x00000000, +}; + +static struct clk_alpha_pll gpu_cc_pll0 = { + .offset = 0x0, + .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 = "gpu_cc_pll0", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_ops, + }, + .vdd_data = { + .vdd_class = &vdd_mx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_MIN] = 615000000, + [VDD_LOW] = 1066000000, + [VDD_LOW_L1] = 1500000000, + [VDD_NOMINAL] = 1750000000, + [VDD_HIGH] = 2000000000}, + }, + }, +}; + +/* 514MHz Configuration */ +static const struct alpha_pll_config gpu_cc_pll1_config = { + .l = 0x1A, + .alpha = 0xC555, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002261, + .config_ctl_hi1_val = 0x329A299C, + .user_ctl_val = 0x00000001, + .user_ctl_hi_val = 0x00000805, + .user_ctl_hi1_val = 0x00000000, +}; + +static struct clk_alpha_pll gpu_cc_pll1 = { + .offset = 0x100, + .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 = "gpu_cc_pll1", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_ops, + }, + .vdd_data = { + .vdd_class = &vdd_mx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_MIN] = 615000000, + [VDD_LOW] = 1066000000, + [VDD_LOW_L1] = 1500000000, + [VDD_NOMINAL] = 1750000000, + [VDD_HIGH] = 2000000000}, + }, + }, +}; + +static const struct parent_map gpu_cc_parent_map_0[] = { + { P_BI_TCXO, 0 }, + { P_GPU_CC_PLL0_OUT_MAIN, 1 }, + { P_GPU_CC_PLL1_OUT_MAIN, 3 }, + { P_GCC_GPU_GPLL0_CLK_SRC, 5 }, + { P_GCC_GPU_GPLL0_DIV_CLK_SRC, 6 }, +}; + +static const struct clk_parent_data gpu_cc_parent_data_0[] = { + { .fw_name = "bi_tcxo" }, + { .hw = &gpu_cc_pll0.clkr.hw }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .fw_name = "gcc_gpu_gpll0_clk_src" }, + { .fw_name = "gcc_gpu_gpll0_div_clk_src" }, +}; + +static const struct parent_map gpu_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { P_GPU_CC_PLL0_OUT_EVEN, 1 }, + { P_GPU_CC_PLL0_OUT_ODD, 2 }, + { P_GPU_CC_PLL1_OUT_EVEN, 3 }, + { P_GPU_CC_PLL1_OUT_ODD, 4 }, + { P_GCC_GPU_GPLL0_CLK_SRC, 5 }, +}; + +static const struct clk_parent_data gpu_cc_parent_data_1[] = { + { .fw_name = "bi_tcxo" }, + { .hw = &gpu_cc_pll0.clkr.hw }, + { .hw = &gpu_cc_pll0.clkr.hw }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .fw_name = "gcc_gpu_gpll0_clk_src" }, +}; + +static const struct parent_map gpu_cc_parent_map_2[] = { + { P_BI_TCXO, 0 }, + { P_GCC_GPU_GPLL0_CLK_SRC, 5 }, + { P_GCC_GPU_GPLL0_DIV_CLK_SRC, 6 }, +}; + +static const struct clk_parent_data gpu_cc_parent_data_2[] = { + { .fw_name = "bi_tcxo" }, + { .fw_name = "gcc_gpu_gpll0_clk_src" }, + { .fw_name = "gcc_gpu_gpll0_div_clk_src" }, +}; + +static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = { + F(200000000, P_GCC_GPU_GPLL0_DIV_CLK_SRC, 1.5, 0, 0), + { } +}; + +static struct clk_rcg2 gpu_cc_gmu_clk_src = { + .cmd_rcgr = 0x1120, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpu_cc_parent_map_0, + .freq_tbl = ftbl_gpu_cc_gmu_clk_src, + .enable_safe_config = true, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gmu_clk_src", + .parent_data = gpu_cc_parent_data_0, + .num_parents = ARRAY_SIZE(gpu_cc_parent_data_0), + .ops = &clk_rcg2_ops, + }, + .clkr.vdd_data = { + .vdd_class = &vdd_cx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_LOWER] = 200000000}, + }, +}; + +static const struct freq_tbl ftbl_gpu_cc_gx_gfx3d_clk_src[] = { + F(266000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(390000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(490000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(650000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(770000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(840000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(900000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + { } +}; + +static struct clk_rcg2 gpu_cc_gx_gfx3d_clk_src = { + .cmd_rcgr = 0x101c, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpu_cc_parent_map_1, + .freq_tbl = ftbl_gpu_cc_gx_gfx3d_clk_src, + .enable_safe_config = true, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gx_gfx3d_clk_src", + .parent_data = gpu_cc_parent_data_1, + .num_parents = ARRAY_SIZE(gpu_cc_parent_data_1), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_ops, + }, + .clkr.vdd_data = { + .vdd_class = &vdd_mx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_LOWER] = 266000000, + [VDD_LOW] = 390000000, + [VDD_LOW_L1] = 490000000, + [VDD_NOMINAL] = 650000000, + [VDD_NOMINAL_L1] = 770000000, + [VDD_HIGH] = 840000000, + [VDD_HIGH_L1] = 900000000}, + }, +}; + +static struct clk_branch gpu_cc_ahb_clk = { + .halt_reg = 0x1078, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1078, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_ahb_clk", + .flags = CLK_IS_CRITICAL, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_gfx3d_clk = { + .halt_reg = 0x10a4, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x10a4, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_gfx3d_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_gx_gfx3d_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_gfx3d_slv_clk = { + .halt_reg = 0x10a8, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x10a8, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_gfx3d_slv_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_gx_gfx3d_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_gmu_clk = { + .halt_reg = 0x1098, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1098, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_gmu_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_snoc_dvm_clk = { + .halt_reg = 0x108c, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x108c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_snoc_dvm_clk", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "gcc_gpu_snoc_dvm_gfx_clk", + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cxo_aon_clk = { + .halt_reg = 0x1004, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1004, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cxo_aon_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cxo_clk = { + .halt_reg = 0x109c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x109c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cxo_clk", + .flags = CLK_DONT_HOLD_STATE, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_gx_cxo_clk = { + .halt_reg = 0x1060, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1060, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gx_cxo_clk", + .flags = CLK_IS_CRITICAL, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_gx_gfx3d_clk = { + .halt_reg = 0x1054, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1054, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gx_gfx3d_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_gx_gfx3d_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + .vdd_data = { + .vdd_class = &vdd_gx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_LOWER] = 266000000, + [VDD_LOW] = 390000000, + [VDD_LOW_L1] = 490000000, + [VDD_NOMINAL] = 650000000, + [VDD_NOMINAL_L1] = 770000000, + [VDD_HIGH] = 840000000, + [VDD_HIGH_L1] = 900000000}, + }, + }, +}; + +static struct clk_branch gpu_cc_gx_gmu_clk = { + .halt_reg = 0x1064, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1064, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gx_gmu_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT | CLK_DONT_HOLD_STATE, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_sleep_clk = { + .halt_reg = 0x1090, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x1090, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_sleep_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_regmap *gpu_cc_blair_clocks[] = { + [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr, + [GPU_CC_CX_GFX3D_CLK] = &gpu_cc_cx_gfx3d_clk.clkr, + [GPU_CC_CX_GFX3D_SLV_CLK] = &gpu_cc_cx_gfx3d_slv_clk.clkr, + [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr, + [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr, + [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr, + [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr, + [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr, + [GPU_CC_GX_CXO_CLK] = &gpu_cc_gx_cxo_clk.clkr, + [GPU_CC_GX_GFX3D_CLK] = &gpu_cc_gx_gfx3d_clk.clkr, + [GPU_CC_GX_GFX3D_CLK_SRC] = &gpu_cc_gx_gfx3d_clk_src.clkr, + [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr, + [GPU_CC_PLL0] = &gpu_cc_pll0.clkr, + [GPU_CC_PLL1] = &gpu_cc_pll1.clkr, + [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr, +}; + +static const struct regmap_config gpu_cc_blair_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x8008, + .fast_io = true, +}; + +static const struct qcom_cc_desc gpu_cc_blair_desc = { + .config = &gpu_cc_blair_regmap_config, + .clks = gpu_cc_blair_clocks, + .num_clks = ARRAY_SIZE(gpu_cc_blair_clocks), + .clk_regulators = gpu_cc_blair_regulators, + .num_clk_regulators = ARRAY_SIZE(gpu_cc_blair_regulators), +}; + +static const struct of_device_id gpu_cc_blair_match_table[] = { + { .compatible = "qcom,blair-gpucc" }, + { } +}; +MODULE_DEVICE_TABLE(of, gpu_cc_blair_match_table); + +static int gpu_cc_blair_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + int ret; + + regmap = qcom_cc_map(pdev, &gpu_cc_blair_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + clk_lucid_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config); + clk_lucid_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config); + + ret = qcom_cc_really_probe(pdev, &gpu_cc_blair_desc, regmap); + if (ret) { + dev_err(&pdev->dev, "Failed to register GPU CC clocks\n"); + return ret; + } + + dev_info(&pdev->dev, "Registered GPU CC clocks\n"); + + return ret; +} + +static void gpu_cc_blair_sync_state(struct device *dev) +{ + qcom_cc_sync_state(dev, &gpu_cc_blair_desc); +} + +static struct platform_driver gpu_cc_blair_driver = { + .probe = gpu_cc_blair_probe, + .driver = { + .name = "gpu_cc-blair", + .of_match_table = gpu_cc_blair_match_table, + .sync_state = gpu_cc_blair_sync_state, + }, +}; + +static int __init gpu_cc_blair_init(void) +{ + return platform_driver_register(&gpu_cc_blair_driver); +} +subsys_initcall(gpu_cc_blair_init); + +static void __exit gpu_cc_blair_exit(void) +{ + platform_driver_unregister(&gpu_cc_blair_driver); +} +module_exit(gpu_cc_blair_exit); + +MODULE_DESCRIPTION("QTI GPU_CC BLAIR Driver"); +MODULE_LICENSE("GPL v2");