Georgi Djakov c497f9322a interconnect: qcom: msm8916: Remove rpm-ids from non-RPM nodes
Some nodes are incorrectly marked as RPM-controlled (they have RPM
master and slave ids assigned), but are actually controlled by the
application CPU instead. The RPM complains when we send requests for
resources that it can't control. Let's fix this by replacing the IDs,
with the default "-1" in which case no requests are sent.

Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Link: https://lore.kernel.org/r/20201112105140.10092-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
2020-11-20 15:51:51 +02:00

555 lines
19 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018-2020 Linaro Ltd
* Author: Georgi Djakov <georgi.djakov@linaro.org>
*/
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/interconnect-provider.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of_device.h>
#include <dt-bindings/interconnect/qcom,msm8916.h>
#include "smd-rpm.h"
#define RPM_BUS_MASTER_REQ 0x73616d62
#define RPM_BUS_SLAVE_REQ 0x766c7362
enum {
MSM8916_BIMC_SNOC_MAS = 1,
MSM8916_BIMC_SNOC_SLV,
MSM8916_MASTER_AMPSS_M0,
MSM8916_MASTER_LPASS,
MSM8916_MASTER_BLSP_1,
MSM8916_MASTER_DEHR,
MSM8916_MASTER_GRAPHICS_3D,
MSM8916_MASTER_JPEG,
MSM8916_MASTER_MDP_PORT0,
MSM8916_MASTER_CRYPTO_CORE0,
MSM8916_MASTER_SDCC_1,
MSM8916_MASTER_SDCC_2,
MSM8916_MASTER_QDSS_BAM,
MSM8916_MASTER_QDSS_ETR,
MSM8916_MASTER_SNOC_CFG,
MSM8916_MASTER_SPDM,
MSM8916_MASTER_TCU0,
MSM8916_MASTER_TCU1,
MSM8916_MASTER_USB_HS,
MSM8916_MASTER_VFE,
MSM8916_MASTER_VIDEO_P0,
MSM8916_SNOC_MM_INT_0,
MSM8916_SNOC_MM_INT_1,
MSM8916_SNOC_MM_INT_2,
MSM8916_SNOC_MM_INT_BIMC,
MSM8916_PNOC_INT_0,
MSM8916_PNOC_INT_1,
MSM8916_PNOC_MAS_0,
MSM8916_PNOC_MAS_1,
MSM8916_PNOC_SLV_0,
MSM8916_PNOC_SLV_1,
MSM8916_PNOC_SLV_2,
MSM8916_PNOC_SLV_3,
MSM8916_PNOC_SLV_4,
MSM8916_PNOC_SLV_8,
MSM8916_PNOC_SLV_9,
MSM8916_PNOC_SNOC_MAS,
MSM8916_PNOC_SNOC_SLV,
MSM8916_SNOC_QDSS_INT,
MSM8916_SLAVE_AMPSS_L2,
MSM8916_SLAVE_APSS,
MSM8916_SLAVE_LPASS,
MSM8916_SLAVE_BIMC_CFG,
MSM8916_SLAVE_BLSP_1,
MSM8916_SLAVE_BOOT_ROM,
MSM8916_SLAVE_CAMERA_CFG,
MSM8916_SLAVE_CATS_128,
MSM8916_SLAVE_OCMEM_64,
MSM8916_SLAVE_CLK_CTL,
MSM8916_SLAVE_CRYPTO_0_CFG,
MSM8916_SLAVE_DEHR_CFG,
MSM8916_SLAVE_DISPLAY_CFG,
MSM8916_SLAVE_EBI_CH0,
MSM8916_SLAVE_GRAPHICS_3D_CFG,
MSM8916_SLAVE_IMEM_CFG,
MSM8916_SLAVE_IMEM,
MSM8916_SLAVE_MPM,
MSM8916_SLAVE_MSG_RAM,
MSM8916_SLAVE_MSS,
MSM8916_SLAVE_PDM,
MSM8916_SLAVE_PMIC_ARB,
MSM8916_SLAVE_PNOC_CFG,
MSM8916_SLAVE_PRNG,
MSM8916_SLAVE_QDSS_CFG,
MSM8916_SLAVE_QDSS_STM,
MSM8916_SLAVE_RBCPR_CFG,
MSM8916_SLAVE_SDCC_1,
MSM8916_SLAVE_SDCC_2,
MSM8916_SLAVE_SECURITY,
MSM8916_SLAVE_SNOC_CFG,
MSM8916_SLAVE_SPDM,
MSM8916_SLAVE_SRVC_SNOC,
MSM8916_SLAVE_TCSR,
MSM8916_SLAVE_TLMM,
MSM8916_SLAVE_USB_HS,
MSM8916_SLAVE_VENUS_CFG,
MSM8916_SNOC_BIMC_0_MAS,
MSM8916_SNOC_BIMC_0_SLV,
MSM8916_SNOC_BIMC_1_MAS,
MSM8916_SNOC_BIMC_1_SLV,
MSM8916_SNOC_INT_0,
MSM8916_SNOC_INT_1,
MSM8916_SNOC_INT_BIMC,
MSM8916_SNOC_PNOC_MAS,
MSM8916_SNOC_PNOC_SLV,
};
#define to_msm8916_provider(_provider) \
container_of(_provider, struct msm8916_icc_provider, provider)
static const struct clk_bulk_data msm8916_bus_clocks[] = {
{ .id = "bus" },
{ .id = "bus_a" },
};
/**
* struct msm8916_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 msm8916_icc_provider {
struct icc_provider provider;
struct clk_bulk_data *bus_clks;
int num_clks;
};
#define MSM8916_MAX_LINKS 8
/**
* struct msm8916_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 msm8916_icc_node {
unsigned char *name;
u16 id;
u16 links[MSM8916_MAX_LINKS];
u16 num_links;
u16 buswidth;
int mas_rpm_id;
int slv_rpm_id;
u64 rate;
};
struct msm8916_icc_desc {
struct msm8916_icc_node **nodes;
size_t num_nodes;
};
#define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, _slv_rpm_id, \
...) \
static struct msm8916_icc_node _name = { \
.name = #_name, \
.id = _id, \
.buswidth = _buswidth, \
.mas_rpm_id = _mas_rpm_id, \
.slv_rpm_id = _slv_rpm_id, \
.num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })), \
.links = { __VA_ARGS__ }, \
}
DEFINE_QNODE(bimc_snoc_mas, MSM8916_BIMC_SNOC_MAS, 8, -1, -1, MSM8916_BIMC_SNOC_SLV);
DEFINE_QNODE(bimc_snoc_slv, MSM8916_BIMC_SNOC_SLV, 8, -1, -1, MSM8916_SNOC_INT_0, MSM8916_SNOC_INT_1);
DEFINE_QNODE(mas_apss, MSM8916_MASTER_AMPSS_M0, 8, -1, -1, MSM8916_SLAVE_EBI_CH0, MSM8916_BIMC_SNOC_MAS, MSM8916_SLAVE_AMPSS_L2);
DEFINE_QNODE(mas_audio, MSM8916_MASTER_LPASS, 4, -1, -1, MSM8916_PNOC_MAS_0);
DEFINE_QNODE(mas_blsp_1, MSM8916_MASTER_BLSP_1, 4, -1, -1, MSM8916_PNOC_MAS_1);
DEFINE_QNODE(mas_dehr, MSM8916_MASTER_DEHR, 4, -1, -1, MSM8916_PNOC_MAS_0);
DEFINE_QNODE(mas_gfx, MSM8916_MASTER_GRAPHICS_3D, 8, -1, -1, MSM8916_SLAVE_EBI_CH0, MSM8916_BIMC_SNOC_MAS, MSM8916_SLAVE_AMPSS_L2);
DEFINE_QNODE(mas_jpeg, MSM8916_MASTER_JPEG, 16, -1, -1, MSM8916_SNOC_MM_INT_0, MSM8916_SNOC_MM_INT_2);
DEFINE_QNODE(mas_mdp, MSM8916_MASTER_MDP_PORT0, 16, -1, -1, MSM8916_SNOC_MM_INT_0, MSM8916_SNOC_MM_INT_2);
DEFINE_QNODE(mas_pcnoc_crypto_0, MSM8916_MASTER_CRYPTO_CORE0, 8, -1, -1, MSM8916_PNOC_INT_1);
DEFINE_QNODE(mas_pcnoc_sdcc_1, MSM8916_MASTER_SDCC_1, 8, -1, -1, MSM8916_PNOC_INT_1);
DEFINE_QNODE(mas_pcnoc_sdcc_2, MSM8916_MASTER_SDCC_2, 8, -1, -1, MSM8916_PNOC_INT_1);
DEFINE_QNODE(mas_qdss_bam, MSM8916_MASTER_QDSS_BAM, 8, -1, -1, MSM8916_SNOC_QDSS_INT);
DEFINE_QNODE(mas_qdss_etr, MSM8916_MASTER_QDSS_ETR, 8, -1, -1, MSM8916_SNOC_QDSS_INT);
DEFINE_QNODE(mas_snoc_cfg, MSM8916_MASTER_SNOC_CFG, 4, -1, -1, MSM8916_SNOC_QDSS_INT);
DEFINE_QNODE(mas_spdm, MSM8916_MASTER_SPDM, 4, -1, -1, MSM8916_PNOC_MAS_0);
DEFINE_QNODE(mas_tcu0, MSM8916_MASTER_TCU0, 8, -1, -1, MSM8916_SLAVE_EBI_CH0, MSM8916_BIMC_SNOC_MAS, MSM8916_SLAVE_AMPSS_L2);
DEFINE_QNODE(mas_tcu1, MSM8916_MASTER_TCU1, 8, -1, -1, MSM8916_SLAVE_EBI_CH0, MSM8916_BIMC_SNOC_MAS, MSM8916_SLAVE_AMPSS_L2);
DEFINE_QNODE(mas_usb_hs, MSM8916_MASTER_USB_HS, 4, -1, -1, MSM8916_PNOC_MAS_1);
DEFINE_QNODE(mas_vfe, MSM8916_MASTER_VFE, 16, -1, -1, MSM8916_SNOC_MM_INT_1, MSM8916_SNOC_MM_INT_2);
DEFINE_QNODE(mas_video, MSM8916_MASTER_VIDEO_P0, 16, -1, -1, MSM8916_SNOC_MM_INT_0, MSM8916_SNOC_MM_INT_2);
DEFINE_QNODE(mm_int_0, MSM8916_SNOC_MM_INT_0, 16, -1, -1, MSM8916_SNOC_MM_INT_BIMC);
DEFINE_QNODE(mm_int_1, MSM8916_SNOC_MM_INT_1, 16, -1, -1, MSM8916_SNOC_MM_INT_BIMC);
DEFINE_QNODE(mm_int_2, MSM8916_SNOC_MM_INT_2, 16, -1, -1, MSM8916_SNOC_INT_0);
DEFINE_QNODE(mm_int_bimc, MSM8916_SNOC_MM_INT_BIMC, 16, -1, -1, MSM8916_SNOC_BIMC_1_MAS);
DEFINE_QNODE(pcnoc_int_0, MSM8916_PNOC_INT_0, 8, -1, -1, MSM8916_PNOC_SNOC_MAS, MSM8916_PNOC_SLV_0, MSM8916_PNOC_SLV_1, MSM8916_PNOC_SLV_2, MSM8916_PNOC_SLV_3, MSM8916_PNOC_SLV_4, MSM8916_PNOC_SLV_8, MSM8916_PNOC_SLV_9);
DEFINE_QNODE(pcnoc_int_1, MSM8916_PNOC_INT_1, 8, -1, -1, MSM8916_PNOC_SNOC_MAS);
DEFINE_QNODE(pcnoc_m_0, MSM8916_PNOC_MAS_0, 8, -1, -1, MSM8916_PNOC_INT_0);
DEFINE_QNODE(pcnoc_m_1, MSM8916_PNOC_MAS_1, 8, -1, -1, MSM8916_PNOC_SNOC_MAS);
DEFINE_QNODE(pcnoc_s_0, MSM8916_PNOC_SLV_0, 4, -1, -1, MSM8916_SLAVE_CLK_CTL, MSM8916_SLAVE_TLMM, MSM8916_SLAVE_TCSR, MSM8916_SLAVE_SECURITY, MSM8916_SLAVE_MSS);
DEFINE_QNODE(pcnoc_s_1, MSM8916_PNOC_SLV_1, 4, -1, -1, MSM8916_SLAVE_IMEM_CFG, MSM8916_SLAVE_CRYPTO_0_CFG, MSM8916_SLAVE_MSG_RAM, MSM8916_SLAVE_PDM, MSM8916_SLAVE_PRNG);
DEFINE_QNODE(pcnoc_s_2, MSM8916_PNOC_SLV_2, 4, -1, -1, MSM8916_SLAVE_SPDM, MSM8916_SLAVE_BOOT_ROM, MSM8916_SLAVE_BIMC_CFG, MSM8916_SLAVE_PNOC_CFG, MSM8916_SLAVE_PMIC_ARB);
DEFINE_QNODE(pcnoc_s_3, MSM8916_PNOC_SLV_3, 4, -1, -1, MSM8916_SLAVE_MPM, MSM8916_SLAVE_SNOC_CFG, MSM8916_SLAVE_RBCPR_CFG, MSM8916_SLAVE_QDSS_CFG, MSM8916_SLAVE_DEHR_CFG);
DEFINE_QNODE(pcnoc_s_4, MSM8916_PNOC_SLV_4, 4, -1, -1, MSM8916_SLAVE_VENUS_CFG, MSM8916_SLAVE_CAMERA_CFG, MSM8916_SLAVE_DISPLAY_CFG);
DEFINE_QNODE(pcnoc_s_8, MSM8916_PNOC_SLV_8, 4, -1, -1, MSM8916_SLAVE_USB_HS, MSM8916_SLAVE_SDCC_1, MSM8916_SLAVE_BLSP_1);
DEFINE_QNODE(pcnoc_s_9, MSM8916_PNOC_SLV_9, 4, -1, -1, MSM8916_SLAVE_SDCC_2, MSM8916_SLAVE_LPASS, MSM8916_SLAVE_GRAPHICS_3D_CFG);
DEFINE_QNODE(pcnoc_snoc_mas, MSM8916_PNOC_SNOC_MAS, 8, 29, -1, MSM8916_PNOC_SNOC_SLV);
DEFINE_QNODE(pcnoc_snoc_slv, MSM8916_PNOC_SNOC_SLV, 8, -1, 45, MSM8916_SNOC_INT_0, MSM8916_SNOC_INT_BIMC, MSM8916_SNOC_INT_1);
DEFINE_QNODE(qdss_int, MSM8916_SNOC_QDSS_INT, 8, -1, -1, MSM8916_SNOC_INT_0, MSM8916_SNOC_INT_BIMC);
DEFINE_QNODE(slv_apps_l2, MSM8916_SLAVE_AMPSS_L2, 8, -1, -1, 0);
DEFINE_QNODE(slv_apss, MSM8916_SLAVE_APSS, 4, -1, -1, 0);
DEFINE_QNODE(slv_audio, MSM8916_SLAVE_LPASS, 4, -1, -1, 0);
DEFINE_QNODE(slv_bimc_cfg, MSM8916_SLAVE_BIMC_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_blsp_1, MSM8916_SLAVE_BLSP_1, 4, -1, -1, 0);
DEFINE_QNODE(slv_boot_rom, MSM8916_SLAVE_BOOT_ROM, 4, -1, -1, 0);
DEFINE_QNODE(slv_camera_cfg, MSM8916_SLAVE_CAMERA_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_cats_0, MSM8916_SLAVE_CATS_128, 16, -1, -1, 0);
DEFINE_QNODE(slv_cats_1, MSM8916_SLAVE_OCMEM_64, 8, -1, -1, 0);
DEFINE_QNODE(slv_clk_ctl, MSM8916_SLAVE_CLK_CTL, 4, -1, -1, 0);
DEFINE_QNODE(slv_crypto_0_cfg, MSM8916_SLAVE_CRYPTO_0_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_dehr_cfg, MSM8916_SLAVE_DEHR_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_display_cfg, MSM8916_SLAVE_DISPLAY_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_ebi_ch0, MSM8916_SLAVE_EBI_CH0, 8, -1, 0, 0);
DEFINE_QNODE(slv_gfx_cfg, MSM8916_SLAVE_GRAPHICS_3D_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_imem_cfg, MSM8916_SLAVE_IMEM_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_imem, MSM8916_SLAVE_IMEM, 8, -1, 26, 0);
DEFINE_QNODE(slv_mpm, MSM8916_SLAVE_MPM, 4, -1, -1, 0);
DEFINE_QNODE(slv_msg_ram, MSM8916_SLAVE_MSG_RAM, 4, -1, -1, 0);
DEFINE_QNODE(slv_mss, MSM8916_SLAVE_MSS, 4, -1, -1, 0);
DEFINE_QNODE(slv_pdm, MSM8916_SLAVE_PDM, 4, -1, -1, 0);
DEFINE_QNODE(slv_pmic_arb, MSM8916_SLAVE_PMIC_ARB, 4, -1, -1, 0);
DEFINE_QNODE(slv_pcnoc_cfg, MSM8916_SLAVE_PNOC_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_prng, MSM8916_SLAVE_PRNG, 4, -1, -1, 0);
DEFINE_QNODE(slv_qdss_cfg, MSM8916_SLAVE_QDSS_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_qdss_stm, MSM8916_SLAVE_QDSS_STM, 4, -1, 30, 0);
DEFINE_QNODE(slv_rbcpr_cfg, MSM8916_SLAVE_RBCPR_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_sdcc_1, MSM8916_SLAVE_SDCC_1, 4, -1, -1, 0);
DEFINE_QNODE(slv_sdcc_2, MSM8916_SLAVE_SDCC_2, 4, -1, -1, 0);
DEFINE_QNODE(slv_security, MSM8916_SLAVE_SECURITY, 4, -1, -1, 0);
DEFINE_QNODE(slv_snoc_cfg, MSM8916_SLAVE_SNOC_CFG, 4, -1, -1, 0);
DEFINE_QNODE(slv_spdm, MSM8916_SLAVE_SPDM, 4, -1, -1, 0);
DEFINE_QNODE(slv_srvc_snoc, MSM8916_SLAVE_SRVC_SNOC, 8, -1, -1, 0);
DEFINE_QNODE(slv_tcsr, MSM8916_SLAVE_TCSR, 4, -1, -1, 0);
DEFINE_QNODE(slv_tlmm, MSM8916_SLAVE_TLMM, 4, -1, -1, 0);
DEFINE_QNODE(slv_usb_hs, MSM8916_SLAVE_USB_HS, 4, -1, -1, 0);
DEFINE_QNODE(slv_venus_cfg, MSM8916_SLAVE_VENUS_CFG, 4, -1, -1, 0);
DEFINE_QNODE(snoc_bimc_0_mas, MSM8916_SNOC_BIMC_0_MAS, 8, 3, -1, MSM8916_SNOC_BIMC_0_SLV);
DEFINE_QNODE(snoc_bimc_0_slv, MSM8916_SNOC_BIMC_0_SLV, 8, -1, 24, MSM8916_SLAVE_EBI_CH0);
DEFINE_QNODE(snoc_bimc_1_mas, MSM8916_SNOC_BIMC_1_MAS, 16, -1, -1, MSM8916_SNOC_BIMC_1_SLV);
DEFINE_QNODE(snoc_bimc_1_slv, MSM8916_SNOC_BIMC_1_SLV, 8, -1, -1, MSM8916_SLAVE_EBI_CH0);
DEFINE_QNODE(snoc_int_0, MSM8916_SNOC_INT_0, 8, 99, 130, MSM8916_SLAVE_QDSS_STM, MSM8916_SLAVE_IMEM, MSM8916_SNOC_PNOC_MAS);
DEFINE_QNODE(snoc_int_1, MSM8916_SNOC_INT_1, 8, -1, -1, MSM8916_SLAVE_APSS, MSM8916_SLAVE_CATS_128, MSM8916_SLAVE_OCMEM_64);
DEFINE_QNODE(snoc_int_bimc, MSM8916_SNOC_INT_BIMC, 8, 101, 132, MSM8916_SNOC_BIMC_0_MAS);
DEFINE_QNODE(snoc_pcnoc_mas, MSM8916_SNOC_PNOC_MAS, 8, -1, -1, MSM8916_SNOC_PNOC_SLV);
DEFINE_QNODE(snoc_pcnoc_slv, MSM8916_SNOC_PNOC_SLV, 8, -1, -1, MSM8916_PNOC_INT_0);
static struct msm8916_icc_node *msm8916_snoc_nodes[] = {
[BIMC_SNOC_SLV] = &bimc_snoc_slv,
[MASTER_JPEG] = &mas_jpeg,
[MASTER_MDP_PORT0] = &mas_mdp,
[MASTER_QDSS_BAM] = &mas_qdss_bam,
[MASTER_QDSS_ETR] = &mas_qdss_etr,
[MASTER_SNOC_CFG] = &mas_snoc_cfg,
[MASTER_VFE] = &mas_vfe,
[MASTER_VIDEO_P0] = &mas_video,
[SNOC_MM_INT_0] = &mm_int_0,
[SNOC_MM_INT_1] = &mm_int_1,
[SNOC_MM_INT_2] = &mm_int_2,
[SNOC_MM_INT_BIMC] = &mm_int_bimc,
[PCNOC_SNOC_SLV] = &pcnoc_snoc_slv,
[SLAVE_APSS] = &slv_apss,
[SLAVE_CATS_128] = &slv_cats_0,
[SLAVE_OCMEM_64] = &slv_cats_1,
[SLAVE_IMEM] = &slv_imem,
[SLAVE_QDSS_STM] = &slv_qdss_stm,
[SLAVE_SRVC_SNOC] = &slv_srvc_snoc,
[SNOC_BIMC_0_MAS] = &snoc_bimc_0_mas,
[SNOC_BIMC_1_MAS] = &snoc_bimc_1_mas,
[SNOC_INT_0] = &snoc_int_0,
[SNOC_INT_1] = &snoc_int_1,
[SNOC_INT_BIMC] = &snoc_int_bimc,
[SNOC_PCNOC_MAS] = &snoc_pcnoc_mas,
[SNOC_QDSS_INT] = &qdss_int,
};
static struct msm8916_icc_desc msm8916_snoc = {
.nodes = msm8916_snoc_nodes,
.num_nodes = ARRAY_SIZE(msm8916_snoc_nodes),
};
static struct msm8916_icc_node *msm8916_bimc_nodes[] = {
[BIMC_SNOC_MAS] = &bimc_snoc_mas,
[MASTER_AMPSS_M0] = &mas_apss,
[MASTER_GRAPHICS_3D] = &mas_gfx,
[MASTER_TCU0] = &mas_tcu0,
[MASTER_TCU1] = &mas_tcu1,
[SLAVE_AMPSS_L2] = &slv_apps_l2,
[SLAVE_EBI_CH0] = &slv_ebi_ch0,
[SNOC_BIMC_0_SLV] = &snoc_bimc_0_slv,
[SNOC_BIMC_1_SLV] = &snoc_bimc_1_slv,
};
static struct msm8916_icc_desc msm8916_bimc = {
.nodes = msm8916_bimc_nodes,
.num_nodes = ARRAY_SIZE(msm8916_bimc_nodes),
};
static struct msm8916_icc_node *msm8916_pcnoc_nodes[] = {
[MASTER_BLSP_1] = &mas_blsp_1,
[MASTER_DEHR] = &mas_dehr,
[MASTER_LPASS] = &mas_audio,
[MASTER_CRYPTO_CORE0] = &mas_pcnoc_crypto_0,
[MASTER_SDCC_1] = &mas_pcnoc_sdcc_1,
[MASTER_SDCC_2] = &mas_pcnoc_sdcc_2,
[MASTER_SPDM] = &mas_spdm,
[MASTER_USB_HS] = &mas_usb_hs,
[PCNOC_INT_0] = &pcnoc_int_0,
[PCNOC_INT_1] = &pcnoc_int_1,
[PCNOC_MAS_0] = &pcnoc_m_0,
[PCNOC_MAS_1] = &pcnoc_m_1,
[PCNOC_SLV_0] = &pcnoc_s_0,
[PCNOC_SLV_1] = &pcnoc_s_1,
[PCNOC_SLV_2] = &pcnoc_s_2,
[PCNOC_SLV_3] = &pcnoc_s_3,
[PCNOC_SLV_4] = &pcnoc_s_4,
[PCNOC_SLV_8] = &pcnoc_s_8,
[PCNOC_SLV_9] = &pcnoc_s_9,
[PCNOC_SNOC_MAS] = &pcnoc_snoc_mas,
[SLAVE_BIMC_CFG] = &slv_bimc_cfg,
[SLAVE_BLSP_1] = &slv_blsp_1,
[SLAVE_BOOT_ROM] = &slv_boot_rom,
[SLAVE_CAMERA_CFG] = &slv_camera_cfg,
[SLAVE_CLK_CTL] = &slv_clk_ctl,
[SLAVE_CRYPTO_0_CFG] = &slv_crypto_0_cfg,
[SLAVE_DEHR_CFG] = &slv_dehr_cfg,
[SLAVE_DISPLAY_CFG] = &slv_display_cfg,
[SLAVE_GRAPHICS_3D_CFG] = &slv_gfx_cfg,
[SLAVE_IMEM_CFG] = &slv_imem_cfg,
[SLAVE_LPASS] = &slv_audio,
[SLAVE_MPM] = &slv_mpm,
[SLAVE_MSG_RAM] = &slv_msg_ram,
[SLAVE_MSS] = &slv_mss,
[SLAVE_PDM] = &slv_pdm,
[SLAVE_PMIC_ARB] = &slv_pmic_arb,
[SLAVE_PCNOC_CFG] = &slv_pcnoc_cfg,
[SLAVE_PRNG] = &slv_prng,
[SLAVE_QDSS_CFG] = &slv_qdss_cfg,
[SLAVE_RBCPR_CFG] = &slv_rbcpr_cfg,
[SLAVE_SDCC_1] = &slv_sdcc_1,
[SLAVE_SDCC_2] = &slv_sdcc_2,
[SLAVE_SECURITY] = &slv_security,
[SLAVE_SNOC_CFG] = &slv_snoc_cfg,
[SLAVE_SPDM] = &slv_spdm,
[SLAVE_TCSR] = &slv_tcsr,
[SLAVE_TLMM] = &slv_tlmm,
[SLAVE_USB_HS] = &slv_usb_hs,
[SLAVE_VENUS_CFG] = &slv_venus_cfg,
[SNOC_PCNOC_SLV] = &snoc_pcnoc_slv,
};
static struct msm8916_icc_desc msm8916_pcnoc = {
.nodes = msm8916_pcnoc_nodes,
.num_nodes = ARRAY_SIZE(msm8916_pcnoc_nodes),
};
static int msm8916_icc_set(struct icc_node *src, struct icc_node *dst)
{
struct msm8916_icc_provider *qp;
struct msm8916_icc_node *qn;
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;
qn = src->data;
provider = src->provider;
qp = to_msm8916_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);
/* send bandwidth request message to the RPM processor */
if (qn->mas_rpm_id != -1) {
ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
RPM_BUS_MASTER_REQ,
qn->mas_rpm_id,
sum_bw);
if (ret) {
pr_err("qcom_icc_rpm_smd_send mas %d error %d\n",
qn->mas_rpm_id, ret);
return ret;
}
}
if (qn->slv_rpm_id != -1) {
ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
RPM_BUS_SLAVE_REQ,
qn->slv_rpm_id,
sum_bw);
if (ret) {
pr_err("qcom_icc_rpm_smd_send slv error %d\n",
ret);
return ret;
}
}
rate = max(sum_bw, max_peak_bw);
do_div(rate, qn->buswidth);
if (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) {
pr_err("%s clk_set_rate error: %d\n",
qp->bus_clks[i].id, ret);
return ret;
}
}
qn->rate = rate;
return 0;
}
static int msm8916_qnoc_probe(struct platform_device *pdev)
{
const struct msm8916_icc_desc *desc;
struct msm8916_icc_node **qnodes;
struct msm8916_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;
qp->bus_clks = devm_kmemdup(dev, msm8916_bus_clocks,
sizeof(msm8916_bus_clocks), GFP_KERNEL);
if (!qp->bus_clks)
return -ENOMEM;
qp->num_clks = ARRAY_SIZE(msm8916_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;
INIT_LIST_HEAD(&provider->nodes);
provider->dev = dev;
provider->set = msm8916_icc_set;
provider->aggregate = icc_std_aggregate;
provider->xlate = of_icc_xlate_onecell;
provider->data = data;
ret = icc_provider_add(provider);
if (ret) {
dev_err(dev, "error adding interconnect provider: %d\n", ret);
clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
return ret;
}
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;
}
node->name = qnodes[i]->name;
node->data = qnodes[i];
icc_node_add(node, provider);
for (j = 0; j < qnodes[i]->num_links; j++)
icc_link_create(node, qnodes[i]->links[j]);
data->nodes[i] = node;
}
data->num_nodes = num_nodes;
platform_set_drvdata(pdev, qp);
return 0;
err:
icc_nodes_remove(provider);
icc_provider_del(provider);
clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
return ret;
}
static int msm8916_qnoc_remove(struct platform_device *pdev)
{
struct msm8916_icc_provider *qp = platform_get_drvdata(pdev);
icc_nodes_remove(&qp->provider);
clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
return icc_provider_del(&qp->provider);
}
static const struct of_device_id msm8916_noc_of_match[] = {
{ .compatible = "qcom,msm8916-bimc", .data = &msm8916_bimc },
{ .compatible = "qcom,msm8916-pcnoc", .data = &msm8916_pcnoc },
{ .compatible = "qcom,msm8916-snoc", .data = &msm8916_snoc },
{ }
};
MODULE_DEVICE_TABLE(of, msm8916_noc_of_match);
static struct platform_driver msm8916_noc_driver = {
.probe = msm8916_qnoc_probe,
.remove = msm8916_qnoc_remove,
.driver = {
.name = "qnoc-msm8916",
.of_match_table = msm8916_noc_of_match,
},
};
module_platform_driver(msm8916_noc_driver);
MODULE_AUTHOR("Georgi Djakov <georgi.djakov@linaro.org>");
MODULE_DESCRIPTION("Qualcomm MSM8916 NoC driver");
MODULE_LICENSE("GPL v2");