| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (C) 2019 Brian Masney <masneyb@onstation.org> |
| * |
| * Based on MSM bus code from downstream MSM kernel sources. |
| * Copyright (c) 2012-2013 The Linux Foundation. All rights reserved. |
| * |
| * Based on qcs404.c |
| * Copyright (C) 2019 Linaro Ltd |
| * |
| * Here's a rough representation that shows the various buses that form the |
| * Network On Chip (NOC) for the msm8974: |
| * |
| * Multimedia Subsystem (MMSS) |
| * |----------+-----------------------------------+-----------| |
| * | | |
| * | | |
| * Config | Bus Interface | Memory Controller |
| * |------------+-+-----------| |------------+-+-----------| |
| * | | |
| * | | |
| * | System | |
| * |--------------+-+---------------------------------+-+-------------| |
| * | | |
| * | | |
| * Peripheral | On Chip | Memory (OCMEM) |
| * |------------+-------------| |------------+-------------| |
| */ |
| |
| #include <dt-bindings/interconnect/qcom,msm8974.h> |
| |
| #include <linux/args.h> |
| #include <linux/clk.h> |
| #include <linux/device.h> |
| #include <linux/interconnect-provider.h> |
| #include <linux/io.h> |
| #include <linux/module.h> |
| #include <linux/of.h> |
| #include <linux/platform_device.h> |
| #include <linux/slab.h> |
| |
| #include "icc-rpm.h" |
| |
| enum { |
| MSM8974_BIMC_MAS_AMPSS_M0 = 1, |
| MSM8974_BIMC_MAS_AMPSS_M1, |
| MSM8974_BIMC_MAS_MSS_PROC, |
| MSM8974_BIMC_TO_MNOC, |
| MSM8974_BIMC_TO_SNOC, |
| MSM8974_BIMC_SLV_EBI_CH0, |
| MSM8974_BIMC_SLV_AMPSS_L2, |
| MSM8974_CNOC_MAS_RPM_INST, |
| MSM8974_CNOC_MAS_RPM_DATA, |
| MSM8974_CNOC_MAS_RPM_SYS, |
| MSM8974_CNOC_MAS_DEHR, |
| MSM8974_CNOC_MAS_QDSS_DAP, |
| MSM8974_CNOC_MAS_SPDM, |
| MSM8974_CNOC_MAS_TIC, |
| MSM8974_CNOC_SLV_CLK_CTL, |
| MSM8974_CNOC_SLV_CNOC_MSS, |
| MSM8974_CNOC_SLV_SECURITY, |
| MSM8974_CNOC_SLV_TCSR, |
| MSM8974_CNOC_SLV_TLMM, |
| MSM8974_CNOC_SLV_CRYPTO_0_CFG, |
| MSM8974_CNOC_SLV_CRYPTO_1_CFG, |
| MSM8974_CNOC_SLV_IMEM_CFG, |
| MSM8974_CNOC_SLV_MESSAGE_RAM, |
| MSM8974_CNOC_SLV_BIMC_CFG, |
| MSM8974_CNOC_SLV_BOOT_ROM, |
| MSM8974_CNOC_SLV_PMIC_ARB, |
| MSM8974_CNOC_SLV_SPDM_WRAPPER, |
| MSM8974_CNOC_SLV_DEHR_CFG, |
| MSM8974_CNOC_SLV_MPM, |
| MSM8974_CNOC_SLV_QDSS_CFG, |
| MSM8974_CNOC_SLV_RBCPR_CFG, |
| MSM8974_CNOC_SLV_RBCPR_QDSS_APU_CFG, |
| MSM8974_CNOC_TO_SNOC, |
| MSM8974_CNOC_SLV_CNOC_ONOC_CFG, |
| MSM8974_CNOC_SLV_CNOC_MNOC_MMSS_CFG, |
| MSM8974_CNOC_SLV_CNOC_MNOC_CFG, |
| MSM8974_CNOC_SLV_PNOC_CFG, |
| MSM8974_CNOC_SLV_SNOC_MPU_CFG, |
| MSM8974_CNOC_SLV_SNOC_CFG, |
| MSM8974_CNOC_SLV_EBI1_DLL_CFG, |
| MSM8974_CNOC_SLV_PHY_APU_CFG, |
| MSM8974_CNOC_SLV_EBI1_PHY_CFG, |
| MSM8974_CNOC_SLV_RPM, |
| MSM8974_CNOC_SLV_SERVICE_CNOC, |
| MSM8974_MNOC_MAS_GRAPHICS_3D, |
| MSM8974_MNOC_MAS_JPEG, |
| MSM8974_MNOC_MAS_MDP_PORT0, |
| MSM8974_MNOC_MAS_VIDEO_P0, |
| MSM8974_MNOC_MAS_VIDEO_P1, |
| MSM8974_MNOC_MAS_VFE, |
| MSM8974_MNOC_TO_CNOC, |
| MSM8974_MNOC_TO_BIMC, |
| MSM8974_MNOC_SLV_CAMERA_CFG, |
| MSM8974_MNOC_SLV_DISPLAY_CFG, |
| MSM8974_MNOC_SLV_OCMEM_CFG, |
| MSM8974_MNOC_SLV_CPR_CFG, |
| MSM8974_MNOC_SLV_CPR_XPU_CFG, |
| MSM8974_MNOC_SLV_MISC_CFG, |
| MSM8974_MNOC_SLV_MISC_XPU_CFG, |
| MSM8974_MNOC_SLV_VENUS_CFG, |
| MSM8974_MNOC_SLV_GRAPHICS_3D_CFG, |
| MSM8974_MNOC_SLV_MMSS_CLK_CFG, |
| MSM8974_MNOC_SLV_MMSS_CLK_XPU_CFG, |
| MSM8974_MNOC_SLV_MNOC_MPU_CFG, |
| MSM8974_MNOC_SLV_ONOC_MPU_CFG, |
| MSM8974_MNOC_SLV_SERVICE_MNOC, |
| MSM8974_OCMEM_NOC_TO_OCMEM_VNOC, |
| MSM8974_OCMEM_MAS_JPEG_OCMEM, |
| MSM8974_OCMEM_MAS_MDP_OCMEM, |
| MSM8974_OCMEM_MAS_VIDEO_P0_OCMEM, |
| MSM8974_OCMEM_MAS_VIDEO_P1_OCMEM, |
| MSM8974_OCMEM_MAS_VFE_OCMEM, |
| MSM8974_OCMEM_MAS_CNOC_ONOC_CFG, |
| MSM8974_OCMEM_SLV_SERVICE_ONOC, |
| MSM8974_OCMEM_VNOC_TO_SNOC, |
| MSM8974_OCMEM_VNOC_TO_OCMEM_NOC, |
| MSM8974_OCMEM_VNOC_MAS_GFX3D, |
| MSM8974_OCMEM_SLV_OCMEM, |
| MSM8974_PNOC_MAS_PNOC_CFG, |
| MSM8974_PNOC_MAS_SDCC_1, |
| MSM8974_PNOC_MAS_SDCC_3, |
| MSM8974_PNOC_MAS_SDCC_4, |
| MSM8974_PNOC_MAS_SDCC_2, |
| MSM8974_PNOC_MAS_TSIF, |
| MSM8974_PNOC_MAS_BAM_DMA, |
| MSM8974_PNOC_MAS_BLSP_2, |
| MSM8974_PNOC_MAS_USB_HSIC, |
| MSM8974_PNOC_MAS_BLSP_1, |
| MSM8974_PNOC_MAS_USB_HS, |
| MSM8974_PNOC_TO_SNOC, |
| MSM8974_PNOC_SLV_SDCC_1, |
| MSM8974_PNOC_SLV_SDCC_3, |
| MSM8974_PNOC_SLV_SDCC_2, |
| MSM8974_PNOC_SLV_SDCC_4, |
| MSM8974_PNOC_SLV_TSIF, |
| MSM8974_PNOC_SLV_BAM_DMA, |
| MSM8974_PNOC_SLV_BLSP_2, |
| MSM8974_PNOC_SLV_USB_HSIC, |
| MSM8974_PNOC_SLV_BLSP_1, |
| MSM8974_PNOC_SLV_USB_HS, |
| MSM8974_PNOC_SLV_PDM, |
| MSM8974_PNOC_SLV_PERIPH_APU_CFG, |
| MSM8974_PNOC_SLV_PNOC_MPU_CFG, |
| MSM8974_PNOC_SLV_PRNG, |
| MSM8974_PNOC_SLV_SERVICE_PNOC, |
| MSM8974_SNOC_MAS_LPASS_AHB, |
| MSM8974_SNOC_MAS_QDSS_BAM, |
| MSM8974_SNOC_MAS_SNOC_CFG, |
| MSM8974_SNOC_TO_BIMC, |
| MSM8974_SNOC_TO_CNOC, |
| MSM8974_SNOC_TO_PNOC, |
| MSM8974_SNOC_TO_OCMEM_VNOC, |
| MSM8974_SNOC_MAS_CRYPTO_CORE0, |
| MSM8974_SNOC_MAS_CRYPTO_CORE1, |
| MSM8974_SNOC_MAS_LPASS_PROC, |
| MSM8974_SNOC_MAS_MSS, |
| MSM8974_SNOC_MAS_MSS_NAV, |
| MSM8974_SNOC_MAS_OCMEM_DMA, |
| MSM8974_SNOC_MAS_WCSS, |
| MSM8974_SNOC_MAS_QDSS_ETR, |
| MSM8974_SNOC_MAS_USB3, |
| MSM8974_SNOC_SLV_AMPSS, |
| MSM8974_SNOC_SLV_LPASS, |
| MSM8974_SNOC_SLV_USB3, |
| MSM8974_SNOC_SLV_WCSS, |
| MSM8974_SNOC_SLV_OCIMEM, |
| MSM8974_SNOC_SLV_SNOC_OCMEM, |
| MSM8974_SNOC_SLV_SERVICE_SNOC, |
| MSM8974_SNOC_SLV_QDSS_STM, |
| }; |
| |
| #define RPM_BUS_MASTER_REQ 0x73616d62 |
| #define RPM_BUS_SLAVE_REQ 0x766c7362 |
| |
| #define to_msm8974_icc_provider(_provider) \ |
| container_of(_provider, struct msm8974_icc_provider, provider) |
| |
| static const struct clk_bulk_data msm8974_icc_bus_clocks[] = { |
| { .id = "bus" }, |
| { .id = "bus_a" }, |
| }; |
| |
| /** |
| * struct msm8974_icc_provider - Qualcomm specific interconnect provider |
| * @provider: generic interconnect provider |
| * @bus_clks: the clk_bulk_data table of bus clocks |
| * @num_clks: the total number of clk_bulk_data entries |
| */ |
| struct msm8974_icc_provider { |
| struct icc_provider provider; |
| struct clk_bulk_data *bus_clks; |
| int num_clks; |
| }; |
| |
| #define MSM8974_ICC_MAX_LINKS 3 |
| |
| /** |
| * struct msm8974_icc_node - Qualcomm specific interconnect nodes |
| * @name: the node name used in debugfs |
| * @id: a unique node identifier |
| * @links: an array of nodes where we can go next while traversing |
| * @num_links: the total number of @links |
| * @buswidth: width of the interconnect between a node and the bus (bytes) |
| * @mas_rpm_id: RPM ID for devices that are bus masters |
| * @slv_rpm_id: RPM ID for devices that are bus slaves |
| * @rate: current bus clock rate in Hz |
| */ |
| struct msm8974_icc_node { |
| unsigned char *name; |
| u16 id; |
| u16 links[MSM8974_ICC_MAX_LINKS]; |
| u16 num_links; |
| u16 buswidth; |
| int mas_rpm_id; |
| int slv_rpm_id; |
| u64 rate; |
| }; |
| |
| struct msm8974_icc_desc { |
| struct msm8974_icc_node * const *nodes; |
| size_t num_nodes; |
| }; |
| |
| #define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, _slv_rpm_id, \ |
| ...) \ |
| static struct msm8974_icc_node _name = { \ |
| .name = #_name, \ |
| .id = _id, \ |
| .buswidth = _buswidth, \ |
| .mas_rpm_id = _mas_rpm_id, \ |
| .slv_rpm_id = _slv_rpm_id, \ |
| .num_links = COUNT_ARGS(__VA_ARGS__), \ |
| .links = { __VA_ARGS__ }, \ |
| } |
| |
| DEFINE_QNODE(mas_ampss_m0, MSM8974_BIMC_MAS_AMPSS_M0, 8, 0, -1); |
| DEFINE_QNODE(mas_ampss_m1, MSM8974_BIMC_MAS_AMPSS_M1, 8, 0, -1); |
| DEFINE_QNODE(mas_mss_proc, MSM8974_BIMC_MAS_MSS_PROC, 8, 1, -1); |
| DEFINE_QNODE(bimc_to_mnoc, MSM8974_BIMC_TO_MNOC, 8, 2, -1, MSM8974_BIMC_SLV_EBI_CH0); |
| DEFINE_QNODE(bimc_to_snoc, MSM8974_BIMC_TO_SNOC, 8, 3, 2, MSM8974_SNOC_TO_BIMC, MSM8974_BIMC_SLV_EBI_CH0, MSM8974_BIMC_MAS_AMPSS_M0); |
| DEFINE_QNODE(slv_ebi_ch0, MSM8974_BIMC_SLV_EBI_CH0, 8, -1, 0); |
| DEFINE_QNODE(slv_ampss_l2, MSM8974_BIMC_SLV_AMPSS_L2, 8, -1, 1); |
| |
| static struct msm8974_icc_node * const msm8974_bimc_nodes[] = { |
| [BIMC_MAS_AMPSS_M0] = &mas_ampss_m0, |
| [BIMC_MAS_AMPSS_M1] = &mas_ampss_m1, |
| [BIMC_MAS_MSS_PROC] = &mas_mss_proc, |
| [BIMC_TO_MNOC] = &bimc_to_mnoc, |
| [BIMC_TO_SNOC] = &bimc_to_snoc, |
| [BIMC_SLV_EBI_CH0] = &slv_ebi_ch0, |
| [BIMC_SLV_AMPSS_L2] = &slv_ampss_l2, |
| }; |
| |
| static const struct msm8974_icc_desc msm8974_bimc = { |
| .nodes = msm8974_bimc_nodes, |
| .num_nodes = ARRAY_SIZE(msm8974_bimc_nodes), |
| }; |
| |
| DEFINE_QNODE(mas_rpm_inst, MSM8974_CNOC_MAS_RPM_INST, 8, 45, -1); |
| DEFINE_QNODE(mas_rpm_data, MSM8974_CNOC_MAS_RPM_DATA, 8, 46, -1); |
| DEFINE_QNODE(mas_rpm_sys, MSM8974_CNOC_MAS_RPM_SYS, 8, 47, -1); |
| DEFINE_QNODE(mas_dehr, MSM8974_CNOC_MAS_DEHR, 8, 48, -1); |
| DEFINE_QNODE(mas_qdss_dap, MSM8974_CNOC_MAS_QDSS_DAP, 8, 49, -1); |
| DEFINE_QNODE(mas_spdm, MSM8974_CNOC_MAS_SPDM, 8, 50, -1); |
| DEFINE_QNODE(mas_tic, MSM8974_CNOC_MAS_TIC, 8, 51, -1); |
| DEFINE_QNODE(slv_clk_ctl, MSM8974_CNOC_SLV_CLK_CTL, 8, -1, 47); |
| DEFINE_QNODE(slv_cnoc_mss, MSM8974_CNOC_SLV_CNOC_MSS, 8, -1, 48); |
| DEFINE_QNODE(slv_security, MSM8974_CNOC_SLV_SECURITY, 8, -1, 49); |
| DEFINE_QNODE(slv_tcsr, MSM8974_CNOC_SLV_TCSR, 8, -1, 50); |
| DEFINE_QNODE(slv_tlmm, MSM8974_CNOC_SLV_TLMM, 8, -1, 51); |
| DEFINE_QNODE(slv_crypto_0_cfg, MSM8974_CNOC_SLV_CRYPTO_0_CFG, 8, -1, 52); |
| DEFINE_QNODE(slv_crypto_1_cfg, MSM8974_CNOC_SLV_CRYPTO_1_CFG, 8, -1, 53); |
| DEFINE_QNODE(slv_imem_cfg, MSM8974_CNOC_SLV_IMEM_CFG, 8, -1, 54); |
| DEFINE_QNODE(slv_message_ram, MSM8974_CNOC_SLV_MESSAGE_RAM, 8, -1, 55); |
| DEFINE_QNODE(slv_bimc_cfg, MSM8974_CNOC_SLV_BIMC_CFG, 8, -1, 56); |
| DEFINE_QNODE(slv_boot_rom, MSM8974_CNOC_SLV_BOOT_ROM, 8, -1, 57); |
| DEFINE_QNODE(slv_pmic_arb, MSM8974_CNOC_SLV_PMIC_ARB, 8, -1, 59); |
| DEFINE_QNODE(slv_spdm_wrapper, MSM8974_CNOC_SLV_SPDM_WRAPPER, 8, -1, 60); |
| DEFINE_QNODE(slv_dehr_cfg, MSM8974_CNOC_SLV_DEHR_CFG, 8, -1, 61); |
| DEFINE_QNODE(slv_mpm, MSM8974_CNOC_SLV_MPM, 8, -1, 62); |
| DEFINE_QNODE(slv_qdss_cfg, MSM8974_CNOC_SLV_QDSS_CFG, 8, -1, 63); |
| DEFINE_QNODE(slv_rbcpr_cfg, MSM8974_CNOC_SLV_RBCPR_CFG, 8, -1, 64); |
| DEFINE_QNODE(slv_rbcpr_qdss_apu_cfg, MSM8974_CNOC_SLV_RBCPR_QDSS_APU_CFG, 8, -1, 65); |
| DEFINE_QNODE(cnoc_to_snoc, MSM8974_CNOC_TO_SNOC, 8, 52, 75); |
| DEFINE_QNODE(slv_cnoc_onoc_cfg, MSM8974_CNOC_SLV_CNOC_ONOC_CFG, 8, -1, 68); |
| DEFINE_QNODE(slv_cnoc_mnoc_mmss_cfg, MSM8974_CNOC_SLV_CNOC_MNOC_MMSS_CFG, 8, -1, 58); |
| DEFINE_QNODE(slv_cnoc_mnoc_cfg, MSM8974_CNOC_SLV_CNOC_MNOC_CFG, 8, -1, 66); |
| DEFINE_QNODE(slv_pnoc_cfg, MSM8974_CNOC_SLV_PNOC_CFG, 8, -1, 69); |
| DEFINE_QNODE(slv_snoc_mpu_cfg, MSM8974_CNOC_SLV_SNOC_MPU_CFG, 8, -1, 67); |
| DEFINE_QNODE(slv_snoc_cfg, MSM8974_CNOC_SLV_SNOC_CFG, 8, -1, 70); |
| DEFINE_QNODE(slv_ebi1_dll_cfg, MSM8974_CNOC_SLV_EBI1_DLL_CFG, 8, -1, 71); |
| DEFINE_QNODE(slv_phy_apu_cfg, MSM8974_CNOC_SLV_PHY_APU_CFG, 8, -1, 72); |
| DEFINE_QNODE(slv_ebi1_phy_cfg, MSM8974_CNOC_SLV_EBI1_PHY_CFG, 8, -1, 73); |
| DEFINE_QNODE(slv_rpm, MSM8974_CNOC_SLV_RPM, 8, -1, 74); |
| DEFINE_QNODE(slv_service_cnoc, MSM8974_CNOC_SLV_SERVICE_CNOC, 8, -1, 76); |
| |
| static struct msm8974_icc_node * const msm8974_cnoc_nodes[] = { |
| [CNOC_MAS_RPM_INST] = &mas_rpm_inst, |
| [CNOC_MAS_RPM_DATA] = &mas_rpm_data, |
| [CNOC_MAS_RPM_SYS] = &mas_rpm_sys, |
| [CNOC_MAS_DEHR] = &mas_dehr, |
| [CNOC_MAS_QDSS_DAP] = &mas_qdss_dap, |
| [CNOC_MAS_SPDM] = &mas_spdm, |
| [CNOC_MAS_TIC] = &mas_tic, |
| [CNOC_SLV_CLK_CTL] = &slv_clk_ctl, |
| [CNOC_SLV_CNOC_MSS] = &slv_cnoc_mss, |
| [CNOC_SLV_SECURITY] = &slv_security, |
| [CNOC_SLV_TCSR] = &slv_tcsr, |
| [CNOC_SLV_TLMM] = &slv_tlmm, |
| [CNOC_SLV_CRYPTO_0_CFG] = &slv_crypto_0_cfg, |
| [CNOC_SLV_CRYPTO_1_CFG] = &slv_crypto_1_cfg, |
| [CNOC_SLV_IMEM_CFG] = &slv_imem_cfg, |
| [CNOC_SLV_MESSAGE_RAM] = &slv_message_ram, |
| [CNOC_SLV_BIMC_CFG] = &slv_bimc_cfg, |
| [CNOC_SLV_BOOT_ROM] = &slv_boot_rom, |
| [CNOC_SLV_PMIC_ARB] = &slv_pmic_arb, |
| [CNOC_SLV_SPDM_WRAPPER] = &slv_spdm_wrapper, |
| [CNOC_SLV_DEHR_CFG] = &slv_dehr_cfg, |
| [CNOC_SLV_MPM] = &slv_mpm, |
| [CNOC_SLV_QDSS_CFG] = &slv_qdss_cfg, |
| [CNOC_SLV_RBCPR_CFG] = &slv_rbcpr_cfg, |
| [CNOC_SLV_RBCPR_QDSS_APU_CFG] = &slv_rbcpr_qdss_apu_cfg, |
| [CNOC_TO_SNOC] = &cnoc_to_snoc, |
| [CNOC_SLV_CNOC_ONOC_CFG] = &slv_cnoc_onoc_cfg, |
| [CNOC_SLV_CNOC_MNOC_MMSS_CFG] = &slv_cnoc_mnoc_mmss_cfg, |
| [CNOC_SLV_CNOC_MNOC_CFG] = &slv_cnoc_mnoc_cfg, |
| [CNOC_SLV_PNOC_CFG] = &slv_pnoc_cfg, |
| [CNOC_SLV_SNOC_MPU_CFG] = &slv_snoc_mpu_cfg, |
| [CNOC_SLV_SNOC_CFG] = &slv_snoc_cfg, |
| [CNOC_SLV_EBI1_DLL_CFG] = &slv_ebi1_dll_cfg, |
| [CNOC_SLV_PHY_APU_CFG] = &slv_phy_apu_cfg, |
| [CNOC_SLV_EBI1_PHY_CFG] = &slv_ebi1_phy_cfg, |
| [CNOC_SLV_RPM] = &slv_rpm, |
| [CNOC_SLV_SERVICE_CNOC] = &slv_service_cnoc, |
| }; |
| |
| static const struct msm8974_icc_desc msm8974_cnoc = { |
| .nodes = msm8974_cnoc_nodes, |
| .num_nodes = ARRAY_SIZE(msm8974_cnoc_nodes), |
| }; |
| |
| DEFINE_QNODE(mas_graphics_3d, MSM8974_MNOC_MAS_GRAPHICS_3D, 16, 6, -1, MSM8974_MNOC_TO_BIMC); |
| DEFINE_QNODE(mas_jpeg, MSM8974_MNOC_MAS_JPEG, 16, 7, -1, MSM8974_MNOC_TO_BIMC); |
| DEFINE_QNODE(mas_mdp_port0, MSM8974_MNOC_MAS_MDP_PORT0, 16, 8, -1, MSM8974_MNOC_TO_BIMC); |
| DEFINE_QNODE(mas_video_p0, MSM8974_MNOC_MAS_VIDEO_P0, 16, 9, -1); |
| DEFINE_QNODE(mas_video_p1, MSM8974_MNOC_MAS_VIDEO_P1, 16, 10, -1); |
| DEFINE_QNODE(mas_vfe, MSM8974_MNOC_MAS_VFE, 16, 11, -1, MSM8974_MNOC_TO_BIMC); |
| DEFINE_QNODE(mnoc_to_cnoc, MSM8974_MNOC_TO_CNOC, 16, 4, -1); |
| DEFINE_QNODE(mnoc_to_bimc, MSM8974_MNOC_TO_BIMC, 16, -1, 16, MSM8974_BIMC_TO_MNOC); |
| DEFINE_QNODE(slv_camera_cfg, MSM8974_MNOC_SLV_CAMERA_CFG, 16, -1, 3); |
| DEFINE_QNODE(slv_display_cfg, MSM8974_MNOC_SLV_DISPLAY_CFG, 16, -1, 4); |
| DEFINE_QNODE(slv_ocmem_cfg, MSM8974_MNOC_SLV_OCMEM_CFG, 16, -1, 5); |
| DEFINE_QNODE(slv_cpr_cfg, MSM8974_MNOC_SLV_CPR_CFG, 16, -1, 6); |
| DEFINE_QNODE(slv_cpr_xpu_cfg, MSM8974_MNOC_SLV_CPR_XPU_CFG, 16, -1, 7); |
| DEFINE_QNODE(slv_misc_cfg, MSM8974_MNOC_SLV_MISC_CFG, 16, -1, 8); |
| DEFINE_QNODE(slv_misc_xpu_cfg, MSM8974_MNOC_SLV_MISC_XPU_CFG, 16, -1, 9); |
| DEFINE_QNODE(slv_venus_cfg, MSM8974_MNOC_SLV_VENUS_CFG, 16, -1, 10); |
| DEFINE_QNODE(slv_graphics_3d_cfg, MSM8974_MNOC_SLV_GRAPHICS_3D_CFG, 16, -1, 11); |
| DEFINE_QNODE(slv_mmss_clk_cfg, MSM8974_MNOC_SLV_MMSS_CLK_CFG, 16, -1, 12); |
| DEFINE_QNODE(slv_mmss_clk_xpu_cfg, MSM8974_MNOC_SLV_MMSS_CLK_XPU_CFG, 16, -1, 13); |
| DEFINE_QNODE(slv_mnoc_mpu_cfg, MSM8974_MNOC_SLV_MNOC_MPU_CFG, 16, -1, 14); |
| DEFINE_QNODE(slv_onoc_mpu_cfg, MSM8974_MNOC_SLV_ONOC_MPU_CFG, 16, -1, 15); |
| DEFINE_QNODE(slv_service_mnoc, MSM8974_MNOC_SLV_SERVICE_MNOC, 16, -1, 17); |
| |
| static struct msm8974_icc_node * const msm8974_mnoc_nodes[] = { |
| [MNOC_MAS_GRAPHICS_3D] = &mas_graphics_3d, |
| [MNOC_MAS_JPEG] = &mas_jpeg, |
| [MNOC_MAS_MDP_PORT0] = &mas_mdp_port0, |
| [MNOC_MAS_VIDEO_P0] = &mas_video_p0, |
| [MNOC_MAS_VIDEO_P1] = &mas_video_p1, |
| [MNOC_MAS_VFE] = &mas_vfe, |
| [MNOC_TO_CNOC] = &mnoc_to_cnoc, |
| [MNOC_TO_BIMC] = &mnoc_to_bimc, |
| [MNOC_SLV_CAMERA_CFG] = &slv_camera_cfg, |
| [MNOC_SLV_DISPLAY_CFG] = &slv_display_cfg, |
| [MNOC_SLV_OCMEM_CFG] = &slv_ocmem_cfg, |
| [MNOC_SLV_CPR_CFG] = &slv_cpr_cfg, |
| [MNOC_SLV_CPR_XPU_CFG] = &slv_cpr_xpu_cfg, |
| [MNOC_SLV_MISC_CFG] = &slv_misc_cfg, |
| [MNOC_SLV_MISC_XPU_CFG] = &slv_misc_xpu_cfg, |
| [MNOC_SLV_VENUS_CFG] = &slv_venus_cfg, |
| [MNOC_SLV_GRAPHICS_3D_CFG] = &slv_graphics_3d_cfg, |
| [MNOC_SLV_MMSS_CLK_CFG] = &slv_mmss_clk_cfg, |
| [MNOC_SLV_MMSS_CLK_XPU_CFG] = &slv_mmss_clk_xpu_cfg, |
| [MNOC_SLV_MNOC_MPU_CFG] = &slv_mnoc_mpu_cfg, |
| [MNOC_SLV_ONOC_MPU_CFG] = &slv_onoc_mpu_cfg, |
| [MNOC_SLV_SERVICE_MNOC] = &slv_service_mnoc, |
| }; |
| |
| static const struct msm8974_icc_desc msm8974_mnoc = { |
| .nodes = msm8974_mnoc_nodes, |
| .num_nodes = ARRAY_SIZE(msm8974_mnoc_nodes), |
| }; |
| |
| DEFINE_QNODE(ocmem_noc_to_ocmem_vnoc, MSM8974_OCMEM_NOC_TO_OCMEM_VNOC, 16, 54, 78, MSM8974_OCMEM_SLV_OCMEM); |
| DEFINE_QNODE(mas_jpeg_ocmem, MSM8974_OCMEM_MAS_JPEG_OCMEM, 16, 13, -1); |
| DEFINE_QNODE(mas_mdp_ocmem, MSM8974_OCMEM_MAS_MDP_OCMEM, 16, 14, -1); |
| DEFINE_QNODE(mas_video_p0_ocmem, MSM8974_OCMEM_MAS_VIDEO_P0_OCMEM, 16, 15, -1); |
| DEFINE_QNODE(mas_video_p1_ocmem, MSM8974_OCMEM_MAS_VIDEO_P1_OCMEM, 16, 16, -1); |
| DEFINE_QNODE(mas_vfe_ocmem, MSM8974_OCMEM_MAS_VFE_OCMEM, 16, 17, -1); |
| DEFINE_QNODE(mas_cnoc_onoc_cfg, MSM8974_OCMEM_MAS_CNOC_ONOC_CFG, 16, 12, -1); |
| DEFINE_QNODE(slv_service_onoc, MSM8974_OCMEM_SLV_SERVICE_ONOC, 16, -1, 19); |
| DEFINE_QNODE(slv_ocmem, MSM8974_OCMEM_SLV_OCMEM, 16, -1, 18); |
| |
| /* Virtual NoC is needed for connection to OCMEM */ |
| DEFINE_QNODE(ocmem_vnoc_to_onoc, MSM8974_OCMEM_VNOC_TO_OCMEM_NOC, 16, 56, 79, MSM8974_OCMEM_NOC_TO_OCMEM_VNOC); |
| DEFINE_QNODE(ocmem_vnoc_to_snoc, MSM8974_OCMEM_VNOC_TO_SNOC, 8, 57, 80); |
| DEFINE_QNODE(mas_v_ocmem_gfx3d, MSM8974_OCMEM_VNOC_MAS_GFX3D, 8, 55, -1, MSM8974_OCMEM_VNOC_TO_OCMEM_NOC); |
| |
| static struct msm8974_icc_node * const msm8974_onoc_nodes[] = { |
| [OCMEM_NOC_TO_OCMEM_VNOC] = &ocmem_noc_to_ocmem_vnoc, |
| [OCMEM_MAS_JPEG_OCMEM] = &mas_jpeg_ocmem, |
| [OCMEM_MAS_MDP_OCMEM] = &mas_mdp_ocmem, |
| [OCMEM_MAS_VIDEO_P0_OCMEM] = &mas_video_p0_ocmem, |
| [OCMEM_MAS_VIDEO_P1_OCMEM] = &mas_video_p1_ocmem, |
| [OCMEM_MAS_VFE_OCMEM] = &mas_vfe_ocmem, |
| [OCMEM_MAS_CNOC_ONOC_CFG] = &mas_cnoc_onoc_cfg, |
| [OCMEM_SLV_SERVICE_ONOC] = &slv_service_onoc, |
| [OCMEM_VNOC_TO_SNOC] = &ocmem_vnoc_to_snoc, |
| [OCMEM_VNOC_TO_OCMEM_NOC] = &ocmem_vnoc_to_onoc, |
| [OCMEM_VNOC_MAS_GFX3D] = &mas_v_ocmem_gfx3d, |
| [OCMEM_SLV_OCMEM] = &slv_ocmem, |
| }; |
| |
| static const struct msm8974_icc_desc msm8974_onoc = { |
| .nodes = msm8974_onoc_nodes, |
| .num_nodes = ARRAY_SIZE(msm8974_onoc_nodes), |
| }; |
| |
| DEFINE_QNODE(mas_pnoc_cfg, MSM8974_PNOC_MAS_PNOC_CFG, 8, 43, -1); |
| DEFINE_QNODE(mas_sdcc_1, MSM8974_PNOC_MAS_SDCC_1, 8, 33, -1, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(mas_sdcc_3, MSM8974_PNOC_MAS_SDCC_3, 8, 34, -1, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(mas_sdcc_4, MSM8974_PNOC_MAS_SDCC_4, 8, 36, -1, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(mas_sdcc_2, MSM8974_PNOC_MAS_SDCC_2, 8, 35, -1, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(mas_tsif, MSM8974_PNOC_MAS_TSIF, 8, 37, -1, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(mas_bam_dma, MSM8974_PNOC_MAS_BAM_DMA, 8, 38, -1); |
| DEFINE_QNODE(mas_blsp_2, MSM8974_PNOC_MAS_BLSP_2, 8, 39, -1, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(mas_usb_hsic, MSM8974_PNOC_MAS_USB_HSIC, 8, 40, -1, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(mas_blsp_1, MSM8974_PNOC_MAS_BLSP_1, 8, 41, -1, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(mas_usb_hs, MSM8974_PNOC_MAS_USB_HS, 8, 42, -1, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(pnoc_to_snoc, MSM8974_PNOC_TO_SNOC, 8, 44, 45, MSM8974_SNOC_TO_PNOC, MSM8974_PNOC_SLV_PRNG); |
| DEFINE_QNODE(slv_sdcc_1, MSM8974_PNOC_SLV_SDCC_1, 8, -1, 31); |
| DEFINE_QNODE(slv_sdcc_3, MSM8974_PNOC_SLV_SDCC_3, 8, -1, 32); |
| DEFINE_QNODE(slv_sdcc_2, MSM8974_PNOC_SLV_SDCC_2, 8, -1, 33); |
| DEFINE_QNODE(slv_sdcc_4, MSM8974_PNOC_SLV_SDCC_4, 8, -1, 34); |
| DEFINE_QNODE(slv_tsif, MSM8974_PNOC_SLV_TSIF, 8, -1, 35); |
| DEFINE_QNODE(slv_bam_dma, MSM8974_PNOC_SLV_BAM_DMA, 8, -1, 36); |
| DEFINE_QNODE(slv_blsp_2, MSM8974_PNOC_SLV_BLSP_2, 8, -1, 37); |
| DEFINE_QNODE(slv_usb_hsic, MSM8974_PNOC_SLV_USB_HSIC, 8, -1, 38); |
| DEFINE_QNODE(slv_blsp_1, MSM8974_PNOC_SLV_BLSP_1, 8, -1, 39); |
| DEFINE_QNODE(slv_usb_hs, MSM8974_PNOC_SLV_USB_HS, 8, -1, 40); |
| DEFINE_QNODE(slv_pdm, MSM8974_PNOC_SLV_PDM, 8, -1, 41); |
| DEFINE_QNODE(slv_periph_apu_cfg, MSM8974_PNOC_SLV_PERIPH_APU_CFG, 8, -1, 42); |
| DEFINE_QNODE(slv_pnoc_mpu_cfg, MSM8974_PNOC_SLV_PNOC_MPU_CFG, 8, -1, 43); |
| DEFINE_QNODE(slv_prng, MSM8974_PNOC_SLV_PRNG, 8, -1, 44, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(slv_service_pnoc, MSM8974_PNOC_SLV_SERVICE_PNOC, 8, -1, 46); |
| |
| static struct msm8974_icc_node * const msm8974_pnoc_nodes[] = { |
| [PNOC_MAS_PNOC_CFG] = &mas_pnoc_cfg, |
| [PNOC_MAS_SDCC_1] = &mas_sdcc_1, |
| [PNOC_MAS_SDCC_3] = &mas_sdcc_3, |
| [PNOC_MAS_SDCC_4] = &mas_sdcc_4, |
| [PNOC_MAS_SDCC_2] = &mas_sdcc_2, |
| [PNOC_MAS_TSIF] = &mas_tsif, |
| [PNOC_MAS_BAM_DMA] = &mas_bam_dma, |
| [PNOC_MAS_BLSP_2] = &mas_blsp_2, |
| [PNOC_MAS_USB_HSIC] = &mas_usb_hsic, |
| [PNOC_MAS_BLSP_1] = &mas_blsp_1, |
| [PNOC_MAS_USB_HS] = &mas_usb_hs, |
| [PNOC_TO_SNOC] = &pnoc_to_snoc, |
| [PNOC_SLV_SDCC_1] = &slv_sdcc_1, |
| [PNOC_SLV_SDCC_3] = &slv_sdcc_3, |
| [PNOC_SLV_SDCC_2] = &slv_sdcc_2, |
| [PNOC_SLV_SDCC_4] = &slv_sdcc_4, |
| [PNOC_SLV_TSIF] = &slv_tsif, |
| [PNOC_SLV_BAM_DMA] = &slv_bam_dma, |
| [PNOC_SLV_BLSP_2] = &slv_blsp_2, |
| [PNOC_SLV_USB_HSIC] = &slv_usb_hsic, |
| [PNOC_SLV_BLSP_1] = &slv_blsp_1, |
| [PNOC_SLV_USB_HS] = &slv_usb_hs, |
| [PNOC_SLV_PDM] = &slv_pdm, |
| [PNOC_SLV_PERIPH_APU_CFG] = &slv_periph_apu_cfg, |
| [PNOC_SLV_PNOC_MPU_CFG] = &slv_pnoc_mpu_cfg, |
| [PNOC_SLV_PRNG] = &slv_prng, |
| [PNOC_SLV_SERVICE_PNOC] = &slv_service_pnoc, |
| }; |
| |
| static const struct msm8974_icc_desc msm8974_pnoc = { |
| .nodes = msm8974_pnoc_nodes, |
| .num_nodes = ARRAY_SIZE(msm8974_pnoc_nodes), |
| }; |
| |
| DEFINE_QNODE(mas_lpass_ahb, MSM8974_SNOC_MAS_LPASS_AHB, 8, 18, -1); |
| DEFINE_QNODE(mas_qdss_bam, MSM8974_SNOC_MAS_QDSS_BAM, 8, 19, -1); |
| DEFINE_QNODE(mas_snoc_cfg, MSM8974_SNOC_MAS_SNOC_CFG, 8, 20, -1); |
| DEFINE_QNODE(snoc_to_bimc, MSM8974_SNOC_TO_BIMC, 8, 21, 24, MSM8974_BIMC_TO_SNOC); |
| DEFINE_QNODE(snoc_to_cnoc, MSM8974_SNOC_TO_CNOC, 8, 22, 25); |
| DEFINE_QNODE(snoc_to_pnoc, MSM8974_SNOC_TO_PNOC, 8, 29, 28, MSM8974_PNOC_TO_SNOC); |
| DEFINE_QNODE(snoc_to_ocmem_vnoc, MSM8974_SNOC_TO_OCMEM_VNOC, 8, 53, 77, MSM8974_OCMEM_VNOC_TO_OCMEM_NOC); |
| DEFINE_QNODE(mas_crypto_core0, MSM8974_SNOC_MAS_CRYPTO_CORE0, 8, 23, -1, MSM8974_SNOC_TO_BIMC); |
| DEFINE_QNODE(mas_crypto_core1, MSM8974_SNOC_MAS_CRYPTO_CORE1, 8, 24, -1); |
| DEFINE_QNODE(mas_lpass_proc, MSM8974_SNOC_MAS_LPASS_PROC, 8, 25, -1, MSM8974_SNOC_TO_OCMEM_VNOC); |
| DEFINE_QNODE(mas_mss, MSM8974_SNOC_MAS_MSS, 8, 26, -1); |
| DEFINE_QNODE(mas_mss_nav, MSM8974_SNOC_MAS_MSS_NAV, 8, 27, -1); |
| DEFINE_QNODE(mas_ocmem_dma, MSM8974_SNOC_MAS_OCMEM_DMA, 8, 28, -1); |
| DEFINE_QNODE(mas_wcss, MSM8974_SNOC_MAS_WCSS, 8, 30, -1); |
| DEFINE_QNODE(mas_qdss_etr, MSM8974_SNOC_MAS_QDSS_ETR, 8, 31, -1); |
| DEFINE_QNODE(mas_usb3, MSM8974_SNOC_MAS_USB3, 8, 32, -1, MSM8974_SNOC_TO_BIMC); |
| DEFINE_QNODE(slv_ampss, MSM8974_SNOC_SLV_AMPSS, 8, -1, 20); |
| DEFINE_QNODE(slv_lpass, MSM8974_SNOC_SLV_LPASS, 8, -1, 21); |
| DEFINE_QNODE(slv_usb3, MSM8974_SNOC_SLV_USB3, 8, -1, 22); |
| DEFINE_QNODE(slv_wcss, MSM8974_SNOC_SLV_WCSS, 8, -1, 23); |
| DEFINE_QNODE(slv_ocimem, MSM8974_SNOC_SLV_OCIMEM, 8, -1, 26); |
| DEFINE_QNODE(slv_snoc_ocmem, MSM8974_SNOC_SLV_SNOC_OCMEM, 8, -1, 27); |
| DEFINE_QNODE(slv_service_snoc, MSM8974_SNOC_SLV_SERVICE_SNOC, 8, -1, 29); |
| DEFINE_QNODE(slv_qdss_stm, MSM8974_SNOC_SLV_QDSS_STM, 8, -1, 30); |
| |
| static struct msm8974_icc_node * const msm8974_snoc_nodes[] = { |
| [SNOC_MAS_LPASS_AHB] = &mas_lpass_ahb, |
| [SNOC_MAS_QDSS_BAM] = &mas_qdss_bam, |
| [SNOC_MAS_SNOC_CFG] = &mas_snoc_cfg, |
| [SNOC_TO_BIMC] = &snoc_to_bimc, |
| [SNOC_TO_CNOC] = &snoc_to_cnoc, |
| [SNOC_TO_PNOC] = &snoc_to_pnoc, |
| [SNOC_TO_OCMEM_VNOC] = &snoc_to_ocmem_vnoc, |
| [SNOC_MAS_CRYPTO_CORE0] = &mas_crypto_core0, |
| [SNOC_MAS_CRYPTO_CORE1] = &mas_crypto_core1, |
| [SNOC_MAS_LPASS_PROC] = &mas_lpass_proc, |
| [SNOC_MAS_MSS] = &mas_mss, |
| [SNOC_MAS_MSS_NAV] = &mas_mss_nav, |
| [SNOC_MAS_OCMEM_DMA] = &mas_ocmem_dma, |
| [SNOC_MAS_WCSS] = &mas_wcss, |
| [SNOC_MAS_QDSS_ETR] = &mas_qdss_etr, |
| [SNOC_MAS_USB3] = &mas_usb3, |
| [SNOC_SLV_AMPSS] = &slv_ampss, |
| [SNOC_SLV_LPASS] = &slv_lpass, |
| [SNOC_SLV_USB3] = &slv_usb3, |
| [SNOC_SLV_WCSS] = &slv_wcss, |
| [SNOC_SLV_OCIMEM] = &slv_ocimem, |
| [SNOC_SLV_SNOC_OCMEM] = &slv_snoc_ocmem, |
| [SNOC_SLV_SERVICE_SNOC] = &slv_service_snoc, |
| [SNOC_SLV_QDSS_STM] = &slv_qdss_stm, |
| }; |
| |
| static const struct msm8974_icc_desc msm8974_snoc = { |
| .nodes = msm8974_snoc_nodes, |
| .num_nodes = ARRAY_SIZE(msm8974_snoc_nodes), |
| }; |
| |
| static void msm8974_icc_rpm_smd_send(struct device *dev, int rsc_type, |
| char *name, int id, u64 val) |
| { |
| int ret; |
| |
| if (id == -1) |
| return; |
| |
| /* |
| * Setting the bandwidth requests for some nodes fails and this same |
| * behavior occurs on the downstream MSM 3.4 kernel sources based on |
| * errors like this in that kernel: |
| * |
| * msm_rpm_get_error_from_ack(): RPM NACK Unsupported resource |
| * AXI: msm_bus_rpm_req(): RPM: Ack failed |
| * AXI: msm_bus_rpm_commit_arb(): RPM: Req fail: mas:32, bw:240000000 |
| * |
| * Since there's no publicly available documentation for this hardware, |
| * and the bandwidth for some nodes in the path can be set properly, |
| * let's not return an error. |
| */ |
| ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE, rsc_type, id, |
| val); |
| if (ret) |
| dev_dbg(dev, "Cannot set bandwidth for node %s (%d): %d\n", |
| name, id, ret); |
| } |
| |
| static int msm8974_icc_set(struct icc_node *src, struct icc_node *dst) |
| { |
| struct msm8974_icc_node *src_qn, *dst_qn; |
| struct msm8974_icc_provider *qp; |
| u64 sum_bw, max_peak_bw, rate; |
| u32 agg_avg = 0, agg_peak = 0; |
| struct icc_provider *provider; |
| struct icc_node *n; |
| int ret, i; |
| |
| src_qn = src->data; |
| dst_qn = dst->data; |
| provider = src->provider; |
| qp = to_msm8974_icc_provider(provider); |
| |
| list_for_each_entry(n, &provider->nodes, node_list) |
| provider->aggregate(n, 0, n->avg_bw, n->peak_bw, |
| &agg_avg, &agg_peak); |
| |
| sum_bw = icc_units_to_bps(agg_avg); |
| max_peak_bw = icc_units_to_bps(agg_peak); |
| |
| /* Set bandwidth on source node */ |
| msm8974_icc_rpm_smd_send(provider->dev, RPM_BUS_MASTER_REQ, |
| src_qn->name, src_qn->mas_rpm_id, sum_bw); |
| |
| msm8974_icc_rpm_smd_send(provider->dev, RPM_BUS_SLAVE_REQ, |
| src_qn->name, src_qn->slv_rpm_id, sum_bw); |
| |
| /* Set bandwidth on destination node */ |
| msm8974_icc_rpm_smd_send(provider->dev, RPM_BUS_MASTER_REQ, |
| dst_qn->name, dst_qn->mas_rpm_id, sum_bw); |
| |
| msm8974_icc_rpm_smd_send(provider->dev, RPM_BUS_SLAVE_REQ, |
| dst_qn->name, dst_qn->slv_rpm_id, sum_bw); |
| |
| rate = max(sum_bw, max_peak_bw); |
| |
| do_div(rate, src_qn->buswidth); |
| |
| rate = min_t(u32, rate, INT_MAX); |
| |
| if (src_qn->rate == rate) |
| return 0; |
| |
| for (i = 0; i < qp->num_clks; i++) { |
| ret = clk_set_rate(qp->bus_clks[i].clk, rate); |
| if (ret) { |
| dev_err(provider->dev, "%s clk_set_rate error: %d\n", |
| qp->bus_clks[i].id, ret); |
| ret = 0; |
| } |
| } |
| |
| src_qn->rate = rate; |
| |
| return 0; |
| } |
| |
| static int msm8974_get_bw(struct icc_node *node, u32 *avg, u32 *peak) |
| { |
| *avg = 0; |
| *peak = 0; |
| |
| return 0; |
| } |
| |
| static int msm8974_icc_probe(struct platform_device *pdev) |
| { |
| const struct msm8974_icc_desc *desc; |
| struct msm8974_icc_node * const *qnodes; |
| struct msm8974_icc_provider *qp; |
| struct device *dev = &pdev->dev; |
| struct icc_onecell_data *data; |
| struct icc_provider *provider; |
| struct icc_node *node; |
| size_t num_nodes, i; |
| int ret; |
| |
| /* wait for the RPM proxy */ |
| if (!qcom_icc_rpm_smd_available()) |
| return -EPROBE_DEFER; |
| |
| desc = of_device_get_match_data(dev); |
| if (!desc) |
| return -EINVAL; |
| |
| qnodes = desc->nodes; |
| num_nodes = desc->num_nodes; |
| |
| qp = devm_kzalloc(dev, sizeof(*qp), GFP_KERNEL); |
| if (!qp) |
| return -ENOMEM; |
| |
| data = devm_kzalloc(dev, struct_size(data, nodes, num_nodes), |
| GFP_KERNEL); |
| if (!data) |
| return -ENOMEM; |
| data->num_nodes = num_nodes; |
| |
| qp->bus_clks = devm_kmemdup(dev, msm8974_icc_bus_clocks, |
| sizeof(msm8974_icc_bus_clocks), GFP_KERNEL); |
| if (!qp->bus_clks) |
| return -ENOMEM; |
| |
| qp->num_clks = ARRAY_SIZE(msm8974_icc_bus_clocks); |
| ret = devm_clk_bulk_get(dev, qp->num_clks, qp->bus_clks); |
| if (ret) |
| return ret; |
| |
| ret = clk_bulk_prepare_enable(qp->num_clks, qp->bus_clks); |
| if (ret) |
| return ret; |
| |
| provider = &qp->provider; |
| provider->dev = dev; |
| provider->set = msm8974_icc_set; |
| provider->aggregate = icc_std_aggregate; |
| provider->xlate = of_icc_xlate_onecell; |
| provider->data = data; |
| provider->get_bw = msm8974_get_bw; |
| |
| icc_provider_init(provider); |
| |
| for (i = 0; i < num_nodes; i++) { |
| size_t j; |
| |
| node = icc_node_create(qnodes[i]->id); |
| if (IS_ERR(node)) { |
| ret = PTR_ERR(node); |
| goto err_remove_nodes; |
| } |
| |
| node->name = qnodes[i]->name; |
| node->data = qnodes[i]; |
| icc_node_add(node, provider); |
| |
| dev_dbg(dev, "registered node %s\n", node->name); |
| |
| /* populate links */ |
| for (j = 0; j < qnodes[i]->num_links; j++) |
| icc_link_create(node, qnodes[i]->links[j]); |
| |
| data->nodes[i] = node; |
| } |
| |
| ret = icc_provider_register(provider); |
| if (ret) |
| goto err_remove_nodes; |
| |
| platform_set_drvdata(pdev, qp); |
| |
| return 0; |
| |
| err_remove_nodes: |
| icc_nodes_remove(provider); |
| clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks); |
| |
| return ret; |
| } |
| |
| static void msm8974_icc_remove(struct platform_device *pdev) |
| { |
| struct msm8974_icc_provider *qp = platform_get_drvdata(pdev); |
| |
| icc_provider_deregister(&qp->provider); |
| icc_nodes_remove(&qp->provider); |
| clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks); |
| } |
| |
| static const struct of_device_id msm8974_noc_of_match[] = { |
| { .compatible = "qcom,msm8974-bimc", .data = &msm8974_bimc}, |
| { .compatible = "qcom,msm8974-cnoc", .data = &msm8974_cnoc}, |
| { .compatible = "qcom,msm8974-mmssnoc", .data = &msm8974_mnoc}, |
| { .compatible = "qcom,msm8974-ocmemnoc", .data = &msm8974_onoc}, |
| { .compatible = "qcom,msm8974-pnoc", .data = &msm8974_pnoc}, |
| { .compatible = "qcom,msm8974-snoc", .data = &msm8974_snoc}, |
| { }, |
| }; |
| MODULE_DEVICE_TABLE(of, msm8974_noc_of_match); |
| |
| static struct platform_driver msm8974_noc_driver = { |
| .probe = msm8974_icc_probe, |
| .remove_new = msm8974_icc_remove, |
| .driver = { |
| .name = "qnoc-msm8974", |
| .of_match_table = msm8974_noc_of_match, |
| .sync_state = icc_sync_state, |
| }, |
| }; |
| module_platform_driver(msm8974_noc_driver); |
| MODULE_DESCRIPTION("Qualcomm MSM8974 NoC driver"); |
| MODULE_AUTHOR("Brian Masney <masneyb@onstation.org>"); |
| MODULE_LICENSE("GPL v2"); |