mirror of https://gitee.com/openkylin/linux.git
651 lines
22 KiB
C
651 lines
22 KiB
C
/*
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* Copyright (c) 2014, Sony Mobile Communications AB.
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* Copyright (c) 2013, The Linux Foundation. All rights reserved.
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* Author: Bjorn Andersson <bjorn.andersson@sonymobile.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/of_platform.h>
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#include <linux/io.h>
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#include <linux/interrupt.h>
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#include <linux/mfd/qcom_rpm.h>
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#include <linux/mfd/syscon.h>
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#include <linux/regmap.h>
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#include <dt-bindings/mfd/qcom-rpm.h>
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struct qcom_rpm_resource {
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unsigned target_id;
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unsigned status_id;
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unsigned select_id;
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unsigned size;
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};
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struct qcom_rpm_data {
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u32 version;
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const struct qcom_rpm_resource *resource_table;
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unsigned int n_resources;
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unsigned int req_ctx_off;
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unsigned int req_sel_off;
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unsigned int ack_ctx_off;
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unsigned int ack_sel_off;
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unsigned int req_sel_size;
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unsigned int ack_sel_size;
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};
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struct qcom_rpm {
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struct device *dev;
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struct regmap *ipc_regmap;
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unsigned ipc_offset;
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unsigned ipc_bit;
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struct completion ack;
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struct mutex lock;
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void __iomem *status_regs;
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void __iomem *ctrl_regs;
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void __iomem *req_regs;
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u32 ack_status;
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const struct qcom_rpm_data *data;
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};
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#define RPM_STATUS_REG(rpm, i) ((rpm)->status_regs + (i) * 4)
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#define RPM_CTRL_REG(rpm, i) ((rpm)->ctrl_regs + (i) * 4)
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#define RPM_REQ_REG(rpm, i) ((rpm)->req_regs + (i) * 4)
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#define RPM_REQUEST_TIMEOUT (5 * HZ)
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#define RPM_MAX_SEL_SIZE 7
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#define RPM_NOTIFICATION BIT(30)
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#define RPM_REJECTED BIT(31)
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static const struct qcom_rpm_resource apq8064_rpm_resource_table[] = {
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[QCOM_RPM_CXO_CLK] = { 25, 9, 5, 1 },
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[QCOM_RPM_PXO_CLK] = { 26, 10, 6, 1 },
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[QCOM_RPM_APPS_FABRIC_CLK] = { 27, 11, 8, 1 },
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[QCOM_RPM_SYS_FABRIC_CLK] = { 28, 12, 9, 1 },
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[QCOM_RPM_MM_FABRIC_CLK] = { 29, 13, 10, 1 },
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[QCOM_RPM_DAYTONA_FABRIC_CLK] = { 30, 14, 11, 1 },
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[QCOM_RPM_SFPB_CLK] = { 31, 15, 12, 1 },
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[QCOM_RPM_CFPB_CLK] = { 32, 16, 13, 1 },
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[QCOM_RPM_MMFPB_CLK] = { 33, 17, 14, 1 },
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[QCOM_RPM_EBI1_CLK] = { 34, 18, 16, 1 },
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[QCOM_RPM_APPS_FABRIC_HALT] = { 35, 19, 18, 1 },
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[QCOM_RPM_APPS_FABRIC_MODE] = { 37, 20, 19, 1 },
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[QCOM_RPM_APPS_FABRIC_IOCTL] = { 40, 21, 20, 1 },
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[QCOM_RPM_APPS_FABRIC_ARB] = { 41, 22, 21, 12 },
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[QCOM_RPM_SYS_FABRIC_HALT] = { 53, 23, 22, 1 },
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[QCOM_RPM_SYS_FABRIC_MODE] = { 55, 24, 23, 1 },
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[QCOM_RPM_SYS_FABRIC_IOCTL] = { 58, 25, 24, 1 },
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[QCOM_RPM_SYS_FABRIC_ARB] = { 59, 26, 25, 30 },
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[QCOM_RPM_MM_FABRIC_HALT] = { 89, 27, 26, 1 },
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[QCOM_RPM_MM_FABRIC_MODE] = { 91, 28, 27, 1 },
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[QCOM_RPM_MM_FABRIC_IOCTL] = { 94, 29, 28, 1 },
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[QCOM_RPM_MM_FABRIC_ARB] = { 95, 30, 29, 21 },
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[QCOM_RPM_PM8921_SMPS1] = { 116, 31, 30, 2 },
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[QCOM_RPM_PM8921_SMPS2] = { 118, 33, 31, 2 },
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[QCOM_RPM_PM8921_SMPS3] = { 120, 35, 32, 2 },
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[QCOM_RPM_PM8921_SMPS4] = { 122, 37, 33, 2 },
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[QCOM_RPM_PM8921_SMPS5] = { 124, 39, 34, 2 },
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[QCOM_RPM_PM8921_SMPS6] = { 126, 41, 35, 2 },
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[QCOM_RPM_PM8921_SMPS7] = { 128, 43, 36, 2 },
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[QCOM_RPM_PM8921_SMPS8] = { 130, 45, 37, 2 },
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[QCOM_RPM_PM8921_LDO1] = { 132, 47, 38, 2 },
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[QCOM_RPM_PM8921_LDO2] = { 134, 49, 39, 2 },
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[QCOM_RPM_PM8921_LDO3] = { 136, 51, 40, 2 },
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[QCOM_RPM_PM8921_LDO4] = { 138, 53, 41, 2 },
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[QCOM_RPM_PM8921_LDO5] = { 140, 55, 42, 2 },
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[QCOM_RPM_PM8921_LDO6] = { 142, 57, 43, 2 },
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[QCOM_RPM_PM8921_LDO7] = { 144, 59, 44, 2 },
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[QCOM_RPM_PM8921_LDO8] = { 146, 61, 45, 2 },
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[QCOM_RPM_PM8921_LDO9] = { 148, 63, 46, 2 },
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[QCOM_RPM_PM8921_LDO10] = { 150, 65, 47, 2 },
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[QCOM_RPM_PM8921_LDO11] = { 152, 67, 48, 2 },
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[QCOM_RPM_PM8921_LDO12] = { 154, 69, 49, 2 },
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[QCOM_RPM_PM8921_LDO13] = { 156, 71, 50, 2 },
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[QCOM_RPM_PM8921_LDO14] = { 158, 73, 51, 2 },
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[QCOM_RPM_PM8921_LDO15] = { 160, 75, 52, 2 },
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[QCOM_RPM_PM8921_LDO16] = { 162, 77, 53, 2 },
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[QCOM_RPM_PM8921_LDO17] = { 164, 79, 54, 2 },
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[QCOM_RPM_PM8921_LDO18] = { 166, 81, 55, 2 },
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[QCOM_RPM_PM8921_LDO19] = { 168, 83, 56, 2 },
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[QCOM_RPM_PM8921_LDO20] = { 170, 85, 57, 2 },
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[QCOM_RPM_PM8921_LDO21] = { 172, 87, 58, 2 },
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[QCOM_RPM_PM8921_LDO22] = { 174, 89, 59, 2 },
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[QCOM_RPM_PM8921_LDO23] = { 176, 91, 60, 2 },
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[QCOM_RPM_PM8921_LDO24] = { 178, 93, 61, 2 },
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[QCOM_RPM_PM8921_LDO25] = { 180, 95, 62, 2 },
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[QCOM_RPM_PM8921_LDO26] = { 182, 97, 63, 2 },
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[QCOM_RPM_PM8921_LDO27] = { 184, 99, 64, 2 },
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[QCOM_RPM_PM8921_LDO28] = { 186, 101, 65, 2 },
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[QCOM_RPM_PM8921_LDO29] = { 188, 103, 66, 2 },
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[QCOM_RPM_PM8921_CLK1] = { 190, 105, 67, 2 },
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[QCOM_RPM_PM8921_CLK2] = { 192, 107, 68, 2 },
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[QCOM_RPM_PM8921_LVS1] = { 194, 109, 69, 1 },
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[QCOM_RPM_PM8921_LVS2] = { 195, 110, 70, 1 },
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[QCOM_RPM_PM8921_LVS3] = { 196, 111, 71, 1 },
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[QCOM_RPM_PM8921_LVS4] = { 197, 112, 72, 1 },
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[QCOM_RPM_PM8921_LVS5] = { 198, 113, 73, 1 },
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[QCOM_RPM_PM8921_LVS6] = { 199, 114, 74, 1 },
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[QCOM_RPM_PM8921_LVS7] = { 200, 115, 75, 1 },
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[QCOM_RPM_PM8821_SMPS1] = { 201, 116, 76, 2 },
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[QCOM_RPM_PM8821_SMPS2] = { 203, 118, 77, 2 },
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[QCOM_RPM_PM8821_LDO1] = { 205, 120, 78, 2 },
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[QCOM_RPM_PM8921_NCP] = { 207, 122, 80, 2 },
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[QCOM_RPM_CXO_BUFFERS] = { 209, 124, 81, 1 },
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[QCOM_RPM_USB_OTG_SWITCH] = { 210, 125, 82, 1 },
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[QCOM_RPM_HDMI_SWITCH] = { 211, 126, 83, 1 },
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[QCOM_RPM_DDR_DMM] = { 212, 127, 84, 2 },
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[QCOM_RPM_QDSS_CLK] = { 214, ~0, 7, 1 },
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[QCOM_RPM_VDDMIN_GPIO] = { 215, 131, 89, 1 },
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};
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static const struct qcom_rpm_data apq8064_template = {
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.version = 3,
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.resource_table = apq8064_rpm_resource_table,
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.n_resources = ARRAY_SIZE(apq8064_rpm_resource_table),
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.req_ctx_off = 3,
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.req_sel_off = 11,
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.ack_ctx_off = 15,
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.ack_sel_off = 23,
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.req_sel_size = 4,
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.ack_sel_size = 7,
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};
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static const struct qcom_rpm_resource msm8660_rpm_resource_table[] = {
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[QCOM_RPM_CXO_CLK] = { 32, 12, 5, 1 },
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[QCOM_RPM_PXO_CLK] = { 33, 13, 6, 1 },
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[QCOM_RPM_PLL_4] = { 34, 14, 7, 1 },
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[QCOM_RPM_APPS_FABRIC_CLK] = { 35, 15, 8, 1 },
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[QCOM_RPM_SYS_FABRIC_CLK] = { 36, 16, 9, 1 },
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[QCOM_RPM_MM_FABRIC_CLK] = { 37, 17, 10, 1 },
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[QCOM_RPM_DAYTONA_FABRIC_CLK] = { 38, 18, 11, 1 },
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[QCOM_RPM_SFPB_CLK] = { 39, 19, 12, 1 },
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[QCOM_RPM_CFPB_CLK] = { 40, 20, 13, 1 },
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[QCOM_RPM_MMFPB_CLK] = { 41, 21, 14, 1 },
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[QCOM_RPM_SMI_CLK] = { 42, 22, 15, 1 },
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[QCOM_RPM_EBI1_CLK] = { 43, 23, 16, 1 },
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[QCOM_RPM_APPS_L2_CACHE_CTL] = { 44, 24, 17, 1 },
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[QCOM_RPM_APPS_FABRIC_HALT] = { 45, 25, 18, 2 },
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[QCOM_RPM_APPS_FABRIC_MODE] = { 47, 26, 19, 3 },
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[QCOM_RPM_APPS_FABRIC_ARB] = { 51, 28, 21, 6 },
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[QCOM_RPM_SYS_FABRIC_HALT] = { 63, 29, 22, 2 },
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[QCOM_RPM_SYS_FABRIC_MODE] = { 65, 30, 23, 3 },
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[QCOM_RPM_SYS_FABRIC_ARB] = { 69, 32, 25, 22 },
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[QCOM_RPM_MM_FABRIC_HALT] = { 105, 33, 26, 2 },
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[QCOM_RPM_MM_FABRIC_MODE] = { 107, 34, 27, 3 },
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[QCOM_RPM_MM_FABRIC_ARB] = { 111, 36, 29, 23 },
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[QCOM_RPM_PM8901_SMPS0] = { 134, 37, 30, 2 },
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[QCOM_RPM_PM8901_SMPS1] = { 136, 39, 31, 2 },
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[QCOM_RPM_PM8901_SMPS2] = { 138, 41, 32, 2 },
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[QCOM_RPM_PM8901_SMPS3] = { 140, 43, 33, 2 },
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[QCOM_RPM_PM8901_SMPS4] = { 142, 45, 34, 2 },
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[QCOM_RPM_PM8901_LDO0] = { 144, 47, 35, 2 },
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[QCOM_RPM_PM8901_LDO1] = { 146, 49, 36, 2 },
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[QCOM_RPM_PM8901_LDO2] = { 148, 51, 37, 2 },
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[QCOM_RPM_PM8901_LDO3] = { 150, 53, 38, 2 },
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[QCOM_RPM_PM8901_LDO4] = { 152, 55, 39, 2 },
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[QCOM_RPM_PM8901_LDO5] = { 154, 57, 40, 2 },
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[QCOM_RPM_PM8901_LDO6] = { 156, 59, 41, 2 },
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[QCOM_RPM_PM8901_LVS0] = { 158, 61, 42, 1 },
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[QCOM_RPM_PM8901_LVS1] = { 159, 62, 43, 1 },
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[QCOM_RPM_PM8901_LVS2] = { 160, 63, 44, 1 },
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[QCOM_RPM_PM8901_LVS3] = { 161, 64, 45, 1 },
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[QCOM_RPM_PM8901_MVS] = { 162, 65, 46, 1 },
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[QCOM_RPM_PM8058_SMPS0] = { 163, 66, 47, 2 },
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[QCOM_RPM_PM8058_SMPS1] = { 165, 68, 48, 2 },
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[QCOM_RPM_PM8058_SMPS2] = { 167, 70, 49, 2 },
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[QCOM_RPM_PM8058_SMPS3] = { 169, 72, 50, 2 },
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[QCOM_RPM_PM8058_SMPS4] = { 171, 74, 51, 2 },
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[QCOM_RPM_PM8058_LDO0] = { 173, 76, 52, 2 },
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[QCOM_RPM_PM8058_LDO1] = { 175, 78, 53, 2 },
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[QCOM_RPM_PM8058_LDO2] = { 177, 80, 54, 2 },
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[QCOM_RPM_PM8058_LDO3] = { 179, 82, 55, 2 },
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[QCOM_RPM_PM8058_LDO4] = { 181, 84, 56, 2 },
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[QCOM_RPM_PM8058_LDO5] = { 183, 86, 57, 2 },
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[QCOM_RPM_PM8058_LDO6] = { 185, 88, 58, 2 },
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[QCOM_RPM_PM8058_LDO7] = { 187, 90, 59, 2 },
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[QCOM_RPM_PM8058_LDO8] = { 189, 92, 60, 2 },
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[QCOM_RPM_PM8058_LDO9] = { 191, 94, 61, 2 },
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[QCOM_RPM_PM8058_LDO10] = { 193, 96, 62, 2 },
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[QCOM_RPM_PM8058_LDO11] = { 195, 98, 63, 2 },
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[QCOM_RPM_PM8058_LDO12] = { 197, 100, 64, 2 },
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[QCOM_RPM_PM8058_LDO13] = { 199, 102, 65, 2 },
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[QCOM_RPM_PM8058_LDO14] = { 201, 104, 66, 2 },
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[QCOM_RPM_PM8058_LDO15] = { 203, 106, 67, 2 },
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[QCOM_RPM_PM8058_LDO16] = { 205, 108, 68, 2 },
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[QCOM_RPM_PM8058_LDO17] = { 207, 110, 69, 2 },
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[QCOM_RPM_PM8058_LDO18] = { 209, 112, 70, 2 },
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[QCOM_RPM_PM8058_LDO19] = { 211, 114, 71, 2 },
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[QCOM_RPM_PM8058_LDO20] = { 213, 116, 72, 2 },
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[QCOM_RPM_PM8058_LDO21] = { 215, 118, 73, 2 },
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[QCOM_RPM_PM8058_LDO22] = { 217, 120, 74, 2 },
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[QCOM_RPM_PM8058_LDO23] = { 219, 122, 75, 2 },
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[QCOM_RPM_PM8058_LDO24] = { 221, 124, 76, 2 },
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[QCOM_RPM_PM8058_LDO25] = { 223, 126, 77, 2 },
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[QCOM_RPM_PM8058_LVS0] = { 225, 128, 78, 1 },
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[QCOM_RPM_PM8058_LVS1] = { 226, 129, 79, 1 },
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[QCOM_RPM_PM8058_NCP] = { 227, 130, 80, 2 },
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[QCOM_RPM_CXO_BUFFERS] = { 229, 132, 81, 1 },
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};
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static const struct qcom_rpm_data msm8660_template = {
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.version = 2,
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.resource_table = msm8660_rpm_resource_table,
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.n_resources = ARRAY_SIZE(msm8660_rpm_resource_table),
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.req_ctx_off = 3,
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.req_sel_off = 11,
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.ack_ctx_off = 19,
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.ack_sel_off = 27,
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.req_sel_size = 7,
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.ack_sel_size = 7,
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};
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static const struct qcom_rpm_resource msm8960_rpm_resource_table[] = {
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[QCOM_RPM_CXO_CLK] = { 25, 9, 5, 1 },
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[QCOM_RPM_PXO_CLK] = { 26, 10, 6, 1 },
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[QCOM_RPM_APPS_FABRIC_CLK] = { 27, 11, 8, 1 },
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[QCOM_RPM_SYS_FABRIC_CLK] = { 28, 12, 9, 1 },
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[QCOM_RPM_MM_FABRIC_CLK] = { 29, 13, 10, 1 },
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[QCOM_RPM_DAYTONA_FABRIC_CLK] = { 30, 14, 11, 1 },
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[QCOM_RPM_SFPB_CLK] = { 31, 15, 12, 1 },
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[QCOM_RPM_CFPB_CLK] = { 32, 16, 13, 1 },
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[QCOM_RPM_MMFPB_CLK] = { 33, 17, 14, 1 },
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[QCOM_RPM_EBI1_CLK] = { 34, 18, 16, 1 },
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[QCOM_RPM_APPS_FABRIC_HALT] = { 35, 19, 18, 1 },
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[QCOM_RPM_APPS_FABRIC_MODE] = { 37, 20, 19, 1 },
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[QCOM_RPM_APPS_FABRIC_IOCTL] = { 40, 21, 20, 1 },
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[QCOM_RPM_APPS_FABRIC_ARB] = { 41, 22, 21, 12 },
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[QCOM_RPM_SYS_FABRIC_HALT] = { 53, 23, 22, 1 },
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[QCOM_RPM_SYS_FABRIC_MODE] = { 55, 24, 23, 1 },
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[QCOM_RPM_SYS_FABRIC_IOCTL] = { 58, 25, 24, 1 },
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[QCOM_RPM_SYS_FABRIC_ARB] = { 59, 26, 25, 29 },
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[QCOM_RPM_MM_FABRIC_HALT] = { 88, 27, 26, 1 },
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[QCOM_RPM_MM_FABRIC_MODE] = { 90, 28, 27, 1 },
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[QCOM_RPM_MM_FABRIC_IOCTL] = { 93, 29, 28, 1 },
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[QCOM_RPM_MM_FABRIC_ARB] = { 94, 30, 29, 23 },
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[QCOM_RPM_PM8921_SMPS1] = { 117, 31, 30, 2 },
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[QCOM_RPM_PM8921_SMPS2] = { 119, 33, 31, 2 },
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[QCOM_RPM_PM8921_SMPS3] = { 121, 35, 32, 2 },
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[QCOM_RPM_PM8921_SMPS4] = { 123, 37, 33, 2 },
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[QCOM_RPM_PM8921_SMPS5] = { 125, 39, 34, 2 },
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[QCOM_RPM_PM8921_SMPS6] = { 127, 41, 35, 2 },
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[QCOM_RPM_PM8921_SMPS7] = { 129, 43, 36, 2 },
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[QCOM_RPM_PM8921_SMPS8] = { 131, 45, 37, 2 },
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[QCOM_RPM_PM8921_LDO1] = { 133, 47, 38, 2 },
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[QCOM_RPM_PM8921_LDO2] = { 135, 49, 39, 2 },
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[QCOM_RPM_PM8921_LDO3] = { 137, 51, 40, 2 },
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[QCOM_RPM_PM8921_LDO4] = { 139, 53, 41, 2 },
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[QCOM_RPM_PM8921_LDO5] = { 141, 55, 42, 2 },
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[QCOM_RPM_PM8921_LDO6] = { 143, 57, 43, 2 },
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[QCOM_RPM_PM8921_LDO7] = { 145, 59, 44, 2 },
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[QCOM_RPM_PM8921_LDO8] = { 147, 61, 45, 2 },
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[QCOM_RPM_PM8921_LDO9] = { 149, 63, 46, 2 },
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[QCOM_RPM_PM8921_LDO10] = { 151, 65, 47, 2 },
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[QCOM_RPM_PM8921_LDO11] = { 153, 67, 48, 2 },
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[QCOM_RPM_PM8921_LDO12] = { 155, 69, 49, 2 },
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[QCOM_RPM_PM8921_LDO13] = { 157, 71, 50, 2 },
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[QCOM_RPM_PM8921_LDO14] = { 159, 73, 51, 2 },
|
|
[QCOM_RPM_PM8921_LDO15] = { 161, 75, 52, 2 },
|
|
[QCOM_RPM_PM8921_LDO16] = { 163, 77, 53, 2 },
|
|
[QCOM_RPM_PM8921_LDO17] = { 165, 79, 54, 2 },
|
|
[QCOM_RPM_PM8921_LDO18] = { 167, 81, 55, 2 },
|
|
[QCOM_RPM_PM8921_LDO19] = { 169, 83, 56, 2 },
|
|
[QCOM_RPM_PM8921_LDO20] = { 171, 85, 57, 2 },
|
|
[QCOM_RPM_PM8921_LDO21] = { 173, 87, 58, 2 },
|
|
[QCOM_RPM_PM8921_LDO22] = { 175, 89, 59, 2 },
|
|
[QCOM_RPM_PM8921_LDO23] = { 177, 91, 60, 2 },
|
|
[QCOM_RPM_PM8921_LDO24] = { 179, 93, 61, 2 },
|
|
[QCOM_RPM_PM8921_LDO25] = { 181, 95, 62, 2 },
|
|
[QCOM_RPM_PM8921_LDO26] = { 183, 97, 63, 2 },
|
|
[QCOM_RPM_PM8921_LDO27] = { 185, 99, 64, 2 },
|
|
[QCOM_RPM_PM8921_LDO28] = { 187, 101, 65, 2 },
|
|
[QCOM_RPM_PM8921_LDO29] = { 189, 103, 66, 2 },
|
|
[QCOM_RPM_PM8921_CLK1] = { 191, 105, 67, 2 },
|
|
[QCOM_RPM_PM8921_CLK2] = { 193, 107, 68, 2 },
|
|
[QCOM_RPM_PM8921_LVS1] = { 195, 109, 69, 1 },
|
|
[QCOM_RPM_PM8921_LVS2] = { 196, 110, 70, 1 },
|
|
[QCOM_RPM_PM8921_LVS3] = { 197, 111, 71, 1 },
|
|
[QCOM_RPM_PM8921_LVS4] = { 198, 112, 72, 1 },
|
|
[QCOM_RPM_PM8921_LVS5] = { 199, 113, 73, 1 },
|
|
[QCOM_RPM_PM8921_LVS6] = { 200, 114, 74, 1 },
|
|
[QCOM_RPM_PM8921_LVS7] = { 201, 115, 75, 1 },
|
|
[QCOM_RPM_PM8921_NCP] = { 202, 116, 80, 2 },
|
|
[QCOM_RPM_CXO_BUFFERS] = { 204, 118, 81, 1 },
|
|
[QCOM_RPM_USB_OTG_SWITCH] = { 205, 119, 82, 1 },
|
|
[QCOM_RPM_HDMI_SWITCH] = { 206, 120, 83, 1 },
|
|
[QCOM_RPM_DDR_DMM] = { 207, 121, 84, 2 },
|
|
};
|
|
|
|
static const struct qcom_rpm_data msm8960_template = {
|
|
.version = 3,
|
|
.resource_table = msm8960_rpm_resource_table,
|
|
.n_resources = ARRAY_SIZE(msm8960_rpm_resource_table),
|
|
.req_ctx_off = 3,
|
|
.req_sel_off = 11,
|
|
.ack_ctx_off = 15,
|
|
.ack_sel_off = 23,
|
|
.req_sel_size = 4,
|
|
.ack_sel_size = 7,
|
|
};
|
|
|
|
static const struct qcom_rpm_resource ipq806x_rpm_resource_table[] = {
|
|
[QCOM_RPM_CXO_CLK] = { 25, 9, 5, 1 },
|
|
[QCOM_RPM_PXO_CLK] = { 26, 10, 6, 1 },
|
|
[QCOM_RPM_APPS_FABRIC_CLK] = { 27, 11, 8, 1 },
|
|
[QCOM_RPM_SYS_FABRIC_CLK] = { 28, 12, 9, 1 },
|
|
[QCOM_RPM_NSS_FABRIC_0_CLK] = { 29, 13, 10, 1 },
|
|
[QCOM_RPM_DAYTONA_FABRIC_CLK] = { 30, 14, 11, 1 },
|
|
[QCOM_RPM_SFPB_CLK] = { 31, 15, 12, 1 },
|
|
[QCOM_RPM_CFPB_CLK] = { 32, 16, 13, 1 },
|
|
[QCOM_RPM_NSS_FABRIC_1_CLK] = { 33, 17, 14, 1 },
|
|
[QCOM_RPM_EBI1_CLK] = { 34, 18, 16, 1 },
|
|
[QCOM_RPM_APPS_FABRIC_HALT] = { 35, 19, 18, 2 },
|
|
[QCOM_RPM_APPS_FABRIC_MODE] = { 37, 20, 19, 3 },
|
|
[QCOM_RPM_APPS_FABRIC_IOCTL] = { 40, 21, 20, 1 },
|
|
[QCOM_RPM_APPS_FABRIC_ARB] = { 41, 22, 21, 12 },
|
|
[QCOM_RPM_SYS_FABRIC_HALT] = { 53, 23, 22, 2 },
|
|
[QCOM_RPM_SYS_FABRIC_MODE] = { 55, 24, 23, 3 },
|
|
[QCOM_RPM_SYS_FABRIC_IOCTL] = { 58, 25, 24, 1 },
|
|
[QCOM_RPM_SYS_FABRIC_ARB] = { 59, 26, 25, 30 },
|
|
[QCOM_RPM_MM_FABRIC_HALT] = { 89, 27, 26, 2 },
|
|
[QCOM_RPM_MM_FABRIC_MODE] = { 91, 28, 27, 3 },
|
|
[QCOM_RPM_MM_FABRIC_IOCTL] = { 94, 29, 28, 1 },
|
|
[QCOM_RPM_MM_FABRIC_ARB] = { 95, 30, 29, 2 },
|
|
[QCOM_RPM_CXO_BUFFERS] = { 209, 33, 31, 1 },
|
|
[QCOM_RPM_USB_OTG_SWITCH] = { 210, 34, 32, 1 },
|
|
[QCOM_RPM_HDMI_SWITCH] = { 211, 35, 33, 1 },
|
|
[QCOM_RPM_DDR_DMM] = { 212, 36, 34, 2 },
|
|
[QCOM_RPM_VDDMIN_GPIO] = { 215, 40, 39, 1 },
|
|
[QCOM_RPM_SMB208_S1a] = { 216, 41, 90, 2 },
|
|
[QCOM_RPM_SMB208_S1b] = { 218, 43, 91, 2 },
|
|
[QCOM_RPM_SMB208_S2a] = { 220, 45, 92, 2 },
|
|
[QCOM_RPM_SMB208_S2b] = { 222, 47, 93, 2 },
|
|
};
|
|
|
|
static const struct qcom_rpm_data ipq806x_template = {
|
|
.version = 3,
|
|
.resource_table = ipq806x_rpm_resource_table,
|
|
.n_resources = ARRAY_SIZE(ipq806x_rpm_resource_table),
|
|
.req_ctx_off = 3,
|
|
.req_sel_off = 11,
|
|
.ack_ctx_off = 15,
|
|
.ack_sel_off = 23,
|
|
.req_sel_size = 4,
|
|
.ack_sel_size = 7,
|
|
};
|
|
|
|
static const struct of_device_id qcom_rpm_of_match[] = {
|
|
{ .compatible = "qcom,rpm-apq8064", .data = &apq8064_template },
|
|
{ .compatible = "qcom,rpm-msm8660", .data = &msm8660_template },
|
|
{ .compatible = "qcom,rpm-msm8960", .data = &msm8960_template },
|
|
{ .compatible = "qcom,rpm-ipq8064", .data = &ipq806x_template },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, qcom_rpm_of_match);
|
|
|
|
int qcom_rpm_write(struct qcom_rpm *rpm,
|
|
int state,
|
|
int resource,
|
|
u32 *buf, size_t count)
|
|
{
|
|
const struct qcom_rpm_resource *res;
|
|
const struct qcom_rpm_data *data = rpm->data;
|
|
u32 sel_mask[RPM_MAX_SEL_SIZE] = { 0 };
|
|
int left;
|
|
int ret = 0;
|
|
int i;
|
|
|
|
if (WARN_ON(resource < 0 || resource >= data->n_resources))
|
|
return -EINVAL;
|
|
|
|
res = &data->resource_table[resource];
|
|
if (WARN_ON(res->size != count))
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&rpm->lock);
|
|
|
|
for (i = 0; i < res->size; i++)
|
|
writel_relaxed(buf[i], RPM_REQ_REG(rpm, res->target_id + i));
|
|
|
|
bitmap_set((unsigned long *)sel_mask, res->select_id, 1);
|
|
for (i = 0; i < rpm->data->req_sel_size; i++) {
|
|
writel_relaxed(sel_mask[i],
|
|
RPM_CTRL_REG(rpm, rpm->data->req_sel_off + i));
|
|
}
|
|
|
|
writel_relaxed(BIT(state), RPM_CTRL_REG(rpm, rpm->data->req_ctx_off));
|
|
|
|
reinit_completion(&rpm->ack);
|
|
regmap_write(rpm->ipc_regmap, rpm->ipc_offset, BIT(rpm->ipc_bit));
|
|
|
|
left = wait_for_completion_timeout(&rpm->ack, RPM_REQUEST_TIMEOUT);
|
|
if (!left)
|
|
ret = -ETIMEDOUT;
|
|
else if (rpm->ack_status & RPM_REJECTED)
|
|
ret = -EIO;
|
|
|
|
mutex_unlock(&rpm->lock);
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL(qcom_rpm_write);
|
|
|
|
static irqreturn_t qcom_rpm_ack_interrupt(int irq, void *dev)
|
|
{
|
|
struct qcom_rpm *rpm = dev;
|
|
u32 ack;
|
|
int i;
|
|
|
|
ack = readl_relaxed(RPM_CTRL_REG(rpm, rpm->data->ack_ctx_off));
|
|
for (i = 0; i < rpm->data->ack_sel_size; i++)
|
|
writel_relaxed(0,
|
|
RPM_CTRL_REG(rpm, rpm->data->ack_sel_off + i));
|
|
writel(0, RPM_CTRL_REG(rpm, rpm->data->ack_ctx_off));
|
|
|
|
if (ack & RPM_NOTIFICATION) {
|
|
dev_warn(rpm->dev, "ignoring notification!\n");
|
|
} else {
|
|
rpm->ack_status = ack;
|
|
complete(&rpm->ack);
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t qcom_rpm_err_interrupt(int irq, void *dev)
|
|
{
|
|
struct qcom_rpm *rpm = dev;
|
|
|
|
regmap_write(rpm->ipc_regmap, rpm->ipc_offset, BIT(rpm->ipc_bit));
|
|
dev_err(rpm->dev, "RPM triggered fatal error\n");
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t qcom_rpm_wakeup_interrupt(int irq, void *dev)
|
|
{
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int qcom_rpm_probe(struct platform_device *pdev)
|
|
{
|
|
const struct of_device_id *match;
|
|
struct device_node *syscon_np;
|
|
struct resource *res;
|
|
struct qcom_rpm *rpm;
|
|
u32 fw_version[3];
|
|
int irq_wakeup;
|
|
int irq_ack;
|
|
int irq_err;
|
|
int ret;
|
|
|
|
rpm = devm_kzalloc(&pdev->dev, sizeof(*rpm), GFP_KERNEL);
|
|
if (!rpm)
|
|
return -ENOMEM;
|
|
|
|
rpm->dev = &pdev->dev;
|
|
mutex_init(&rpm->lock);
|
|
init_completion(&rpm->ack);
|
|
|
|
irq_ack = platform_get_irq_byname(pdev, "ack");
|
|
if (irq_ack < 0) {
|
|
dev_err(&pdev->dev, "required ack interrupt missing\n");
|
|
return irq_ack;
|
|
}
|
|
|
|
irq_err = platform_get_irq_byname(pdev, "err");
|
|
if (irq_err < 0) {
|
|
dev_err(&pdev->dev, "required err interrupt missing\n");
|
|
return irq_err;
|
|
}
|
|
|
|
irq_wakeup = platform_get_irq_byname(pdev, "wakeup");
|
|
if (irq_wakeup < 0) {
|
|
dev_err(&pdev->dev, "required wakeup interrupt missing\n");
|
|
return irq_wakeup;
|
|
}
|
|
|
|
match = of_match_device(qcom_rpm_of_match, &pdev->dev);
|
|
if (!match)
|
|
return -ENODEV;
|
|
rpm->data = match->data;
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
rpm->status_regs = devm_ioremap_resource(&pdev->dev, res);
|
|
if (IS_ERR(rpm->status_regs))
|
|
return PTR_ERR(rpm->status_regs);
|
|
rpm->ctrl_regs = rpm->status_regs + 0x400;
|
|
rpm->req_regs = rpm->status_regs + 0x600;
|
|
|
|
syscon_np = of_parse_phandle(pdev->dev.of_node, "qcom,ipc", 0);
|
|
if (!syscon_np) {
|
|
dev_err(&pdev->dev, "no qcom,ipc node\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
rpm->ipc_regmap = syscon_node_to_regmap(syscon_np);
|
|
if (IS_ERR(rpm->ipc_regmap))
|
|
return PTR_ERR(rpm->ipc_regmap);
|
|
|
|
ret = of_property_read_u32_index(pdev->dev.of_node, "qcom,ipc", 1,
|
|
&rpm->ipc_offset);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "no offset in qcom,ipc\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = of_property_read_u32_index(pdev->dev.of_node, "qcom,ipc", 2,
|
|
&rpm->ipc_bit);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "no bit in qcom,ipc\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
dev_set_drvdata(&pdev->dev, rpm);
|
|
|
|
fw_version[0] = readl(RPM_STATUS_REG(rpm, 0));
|
|
fw_version[1] = readl(RPM_STATUS_REG(rpm, 1));
|
|
fw_version[2] = readl(RPM_STATUS_REG(rpm, 2));
|
|
if (fw_version[0] != rpm->data->version) {
|
|
dev_err(&pdev->dev,
|
|
"RPM version %u.%u.%u incompatible with driver version %u",
|
|
fw_version[0],
|
|
fw_version[1],
|
|
fw_version[2],
|
|
rpm->data->version);
|
|
return -EFAULT;
|
|
}
|
|
|
|
dev_info(&pdev->dev, "RPM firmware %u.%u.%u\n", fw_version[0],
|
|
fw_version[1],
|
|
fw_version[2]);
|
|
|
|
ret = devm_request_irq(&pdev->dev,
|
|
irq_ack,
|
|
qcom_rpm_ack_interrupt,
|
|
IRQF_TRIGGER_RISING,
|
|
"qcom_rpm_ack",
|
|
rpm);
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "failed to request ack interrupt\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = irq_set_irq_wake(irq_ack, 1);
|
|
if (ret)
|
|
dev_warn(&pdev->dev, "failed to mark ack irq as wakeup\n");
|
|
|
|
ret = devm_request_irq(&pdev->dev,
|
|
irq_err,
|
|
qcom_rpm_err_interrupt,
|
|
IRQF_TRIGGER_RISING,
|
|
"qcom_rpm_err",
|
|
rpm);
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "failed to request err interrupt\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = devm_request_irq(&pdev->dev,
|
|
irq_wakeup,
|
|
qcom_rpm_wakeup_interrupt,
|
|
IRQF_TRIGGER_RISING,
|
|
"qcom_rpm_wakeup",
|
|
rpm);
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "failed to request wakeup interrupt\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = irq_set_irq_wake(irq_wakeup, 1);
|
|
if (ret)
|
|
dev_warn(&pdev->dev, "failed to mark wakeup irq as wakeup\n");
|
|
|
|
return of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
|
|
}
|
|
|
|
static int qcom_rpm_remove(struct platform_device *pdev)
|
|
{
|
|
of_platform_depopulate(&pdev->dev);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver qcom_rpm_driver = {
|
|
.probe = qcom_rpm_probe,
|
|
.remove = qcom_rpm_remove,
|
|
.driver = {
|
|
.name = "qcom_rpm",
|
|
.of_match_table = qcom_rpm_of_match,
|
|
},
|
|
};
|
|
|
|
static int __init qcom_rpm_init(void)
|
|
{
|
|
return platform_driver_register(&qcom_rpm_driver);
|
|
}
|
|
arch_initcall(qcom_rpm_init);
|
|
|
|
static void __exit qcom_rpm_exit(void)
|
|
{
|
|
platform_driver_unregister(&qcom_rpm_driver);
|
|
}
|
|
module_exit(qcom_rpm_exit)
|
|
|
|
MODULE_DESCRIPTION("Qualcomm Resource Power Manager driver");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_AUTHOR("Bjorn Andersson <bjorn.andersson@sonymobile.com>");
|