kernel_samsung_a34x-permissive/drivers/clk/mediatek/clkchk-mt6833.c
2024-04-28 15:49:01 +02:00

1046 lines
18 KiB
C
Executable file

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#include <linux/clk-provider.h>
#include <linux/syscore_ops.h>
#include <linux/version.h>
#include <mt-plat/aee.h>
#include "clk-mt6833-pg.h"
#include "clkdbg-mt6833.h"
#define TAG "[clkchk] "
#define BUG_ON_CHK_ENABLE 0
const char * const *get_mt6833_all_clk_names(void)
{
static const char * const clks[] = {
/* apmixedsys */
"armpll_ll",
"armpll_bl0",
"ccipll",
"mpll",
"mainpll",
"univpll",
"msdcpll",
"mmpll",
"adsppll",
"mfgpll",
"tvdpll",
"apll1",
"apll2",
"npupll",
"usbpll",
/* apmixedsys */
"mipic0",
"mipic1",
"mipid0",
/* topckgen */
"axi_sel",
"spm_sel",
"scp_sel",
"bus_aximem_sel",
"disp_sel",
"mdp_sel",
"img1_sel",
"img2_sel",
"ipe_sel",
"dpe_sel",
"cam_sel",
"ccu_sel",
"dsp_sel",
"dsp1_sel",
"dsp1_npupll_sel",
"dsp2_sel",
"dsp2_npupll_sel",
"ipu_if_sel",
"mfg_ref_sel",
"mfg_pll_sel",
"camtg_sel",
"camtg2_sel",
"camtg3_sel",
"camtg4_sel",
"camtg5_sel",
"uart_sel",
"spi_sel",
"msdc50_0_h_sel",
"msdc50_0_sel",
"msdc30_1_sel",
"audio_sel",
"aud_intbus_sel",
"pwrap_ulposc_sel",
"atb_sel",
"sspm_sel",
"scam_sel",
"disp_pwm_sel",
"usb_sel",
"ssusb_xhci_sel",
"i2c_sel",
"seninf_sel",
"seninf1_sel",
"seninf2_sel",
"dxcc_sel",
"aud_engen1_sel",
"aud_engen2_sel",
"aes_ufsfde_sel",
"ufs_sel",
"aud_1_sel",
"aud_2_sel",
"adsp_sel",
"dpmaif_main_sel",
"venc_sel",
"vdec_sel",
"camtm_sel",
"pwm_sel",
"audio_h_sel",
"spmi_mst_sel",
"dvfsrc_sel",
"aes_msdcfde_sel",
"mcupm_sel",
"sflash_sel",
"apll_i2s0_mck_sel",
"apll_i2s1_mck_sel",
"apll_i2s2_mck_sel",
"apll_i2s3_mck_sel",
"apll_i2s4_mck_sel",
"apll_i2s5_mck_sel",
"apll_i2s6_mck_sel",
"apll_i2s7_mck_sel",
"apll_i2s8_mck_sel",
"apll_i2s9_mck_sel",
/* topckgen */
"apll12_div0",
"apll12_div1",
"apll12_div2",
"apll12_div3",
"apll12_div4",
"apll12_divb",
"apll12_div5",
"apll12_div6",
"apll12_div7",
"apll12_div8",
"apll12_div9",
/* infracfg_ao */
"ifrao_infra_force",
"ifrao_pmic_tmr",
"ifrao_pmic_ap",
"ifrao_pmic_md",
"ifrao_pmic_conn",
"ifrao_sej",
"ifrao_apxgpt",
"ifrao_gce",
"ifrao_gce2",
"ifrao_therm",
"ifrao_i2c0",
"ifrao_i2c1",
"ifrao_i2c2",
"ifrao_i2c3",
"ifrao_pwm_hclk",
"ifrao_pwm1",
"ifrao_pwm2",
"ifrao_pwm3",
"ifrao_pwm4",
"ifrao_pwm",
"ifrao_uart0",
"ifrao_uart1",
"ifrao_uart2",
"ifrao_uart3",
"ifrao_gce_26m",
"ifrao_dma",
"ifrao_btif",
"ifrao_spi0",
"ifrao_msdc0",
"ifrao_msdc1",
"ifrao_msdc0_clk",
"ifrao_dvfsrc",
"ifrao_trng",
"ifrao_auxadc",
"ifrao_cpum",
"ifrao_ccif1_ap",
"ifrao_ccif1_md",
"ifrao_auxadc_md",
"ifrao_pcie_tl_26m",
"ifrao_msdc1_clk",
"ifrao_msdc0_aes_clk",
"ifrao_pcie_tl_96m",
"ifrao_pcie_pl_p_250m",
"ifrao_dapc",
"ifrao_ccif_ap",
"ifrao_debugsys",
"ifrao_audio",
"ifrao_ccif_md",
"ifrao_secore",
"ifrao_dxcc_ao",
"ifrao_dbg_trace",
"ifrao_dramc26",
"ifrao_ssusb",
"ifrao_disp_pwm",
"ifrao_cldmabclk",
"ifrao_audio26m",
"ifrao_mdtemp",
"ifrao_spi1",
"ifrao_i2c4",
"ifrao_spi2",
"ifrao_spi3",
"ifrao_unipro_sysclk",
"ifrao_unipro_tick",
"ifrao_ufs_bclk",
"ifrao_fsspm",
"ifrao_sspm_hclk",
"ifrao_i2c5",
"ifrao_i2c5a",
"ifrao_i2c5_imm",
"ifrao_i2c1a",
"ifrao_i2c1_imm",
"ifrao_i2c2a",
"ifrao_i2c2_imm",
"ifrao_spi4",
"ifrao_spi5",
"ifrao_cq_dma",
"ifrao_ufs",
"ifrao_aes",
"ifrao_ufs_tick",
"ifrao_ssusb_xhci",
"ifrao_msdc0sf",
"ifrao_msdc1sf",
"ifrao_msdc2sf",
"ifrao_sspm_26m",
"ifrao_sspm_32k",
"ifrao_i2c6",
"ifrao_ap_msdc0",
"ifrao_md_msdc0",
"ifrao_ccif5_ap",
"ifrao_ccif5_md",
"ifrao_flashif_h_133m",
"ifrao_ccif2_ap",
"ifrao_ccif2_md",
"ifrao_ccif3_ap",
"ifrao_ccif3_md",
"ifrao_sej_f13m",
"ifrao_i2c7",
"ifrao_i2c8",
"ifrao_fbist2fpc",
"ifrao_dapc_sync",
"ifrao_dpmaif_main",
"ifrao_ccif4_ap",
"ifrao_ccif4_md",
"ifrao_spi6_ck",
"ifrao_spi7_ck",
"ifrao_133m_mclk_ck",
"ifrao_66m_mclk_ck",
"ifrao_66m_peri_mclk",
"ifrao_infra_133m",
"ifrao_infra_66m",
"ifrao_peru_bus_133m",
"ifrao_peru_bus_66m",
"ifrao_flash_26m",
"ifrao_sflash_ck",
"ifrao_ap_dma",
"ifrao_peri_force",
/* pericfg */
"periaxi_disable",
/* scp */
"scp_par_adsp_pll",
/* imp_iic_wrap_c */
"impc_ap_i2c10",
"impc_ap_i2c11",
/* audio */
"aud_afe",
"aud_22m",
"aud_24m",
"aud_apll2_tuner",
"aud_apll_tuner",
"aud_tdm_ck",
"aud_adc",
"aud_dac",
"aud_dac_predis",
"aud_tml",
"aud_nle",
"aud_i2s1_bclk",
"aud_i2s2_bclk",
"aud_i2s3_bclk",
"aud_i2s4_bclk",
"aud_connsys_i2s_asrc",
"aud_general1_asrc",
"aud_general2_asrc",
"aud_dac_hires",
"aud_adc_hires",
"aud_adc_hires_tml",
"aud_adda6_adc",
"aud_adda6_adc_hires",
"aud_3rd_dac",
"aud_3rd_dac_predis",
"aud_3rd_dac_tml",
"aud_3rd_dac_hires",
"aud_i2s5_bclk",
"aud_i2s6_bclk",
"aud_i2s7_bclk",
"aud_i2s8_bclk",
"aud_i2s9_bclk",
/* msdc0sys */
"msdc0_axi_wrap_cken",
/* imp_iic_wrap_e */
"impe_ap_i2c3",
/* imp_iic_wrap_s */
"imps_ap_i2c5",
"imps_ap_i2c7",
"imps_ap_i2c8",
"imps_ap_i2c9",
/* imp_iic_wrap_ws */
"impws_ap_i2c1",
"impws_ap_i2c2",
"impws_ap_i2c4",
/* imp_iic_wrap_w */
"impw_ap_i2c6",
/* imp_iic_wrap_n */
"impn_ap_i2c0",
/* mfgsys */
"mfgcfg_bg3d",
/* mmsys_config */
"mm_disp_mutex0",
"mm_apb_bus",
"mm_disp_ovl0",
"mm_disp_rdma0",
"mm_disp_ovl0_2l",
"mm_disp_wdma0",
"mm_disp_ccorr1",
"mm_disp_rsz0",
"mm_disp_aal0",
"mm_disp_ccorr0",
"mm_disp_color0",
"mm_smi_infra",
"mm_disp_dsc_wrap",
"mm_disp_gamma0",
"mm_disp_postmask0",
"mm_disp_spr0",
"mm_disp_dither0",
"mm_smi_common",
"mm_disp_cm0",
"mm_dsi0",
"mm_disp_fake_eng0",
"mm_disp_fake_eng1",
"mm_smi_gals",
"mm_smi_iommu",
/* imgsys1 */
"imgsys1_larb9",
"imgsys1_larb10",
"imgsys1_dip",
"imgsys1_gals",
/* imgsys2 */
"imgsys2_larb9",
"imgsys2_larb10",
"imgsys2_mfb",
"imgsys2_wpe",
"imgsys2_mss",
"imgsys2_gals",
/* vdec_gcon */
"vdec_larb1_cken",
"vdec_cken",
"vdec_active",
/* venc_gcon */
"venc_set0_larb",
"venc_set1_venc",
"jpgenc",
"venc_set5_gals",
/* apu_conn */
"apuc_apu",
"apuc_ahb",
"apuc_axi",
"apuc_isp",
"apuc_cam_adl",
"apuc_img_adl",
"apuc_emi_26m",
"apuc_vpu_udi",
"apuc_edma_0",
"apuc_edma_1",
"apuc_edmal_0",
"apuc_edmal_1",
"apuc_mnoc",
"apuc_tcm",
"apuc_md32",
"apuc_iommu_0",
"apuc_md32_32k",
/* apu_vcore */
"apuv_ahb",
"apuv_axi",
"apuv_adl",
"apuv_qos",
/* apu0 */
"apu0_apu",
"apu0_axi_m",
"apu0_jtag",
"apu0_pclk",
/* apu1 */
"apu1_apu",
"apu1_axi_m",
"apu1_jtag",
"apu1_pclk",
/* camsys_main */
"cam_m_larb13",
"cam_m_larb14",
"cam_m_reserved0",
"cam_m_cam",
"cam_m_camtg",
"cam_m_seninf",
"cam_m_camsv1",
"cam_m_camsv2",
"cam_m_camsv3",
"cam_m_ccu0",
"cam_m_ccu1",
"cam_m_mraw0",
"cam_m_reserved2",
"cam_m_fake_eng",
"cam_m_ccu_gals",
"cam_m_cam2mm_gals",
/* camsys_rawa */
"cam_ra_larbx",
"cam_ra_cam",
"cam_ra_camtg",
/* camsys_rawb */
"cam_rb_larbx",
"cam_rb_cam",
"cam_rb_camtg",
/* ipesys */
"ipe_larb19",
"ipe_larb20",
"ipe_smi_subcom",
"ipe_fd",
"ipe_fe",
"ipe_rsc",
"ipe_dpe",
"ipe_gals",
/* mdpsys_config */
"mdp_rdma0",
"mdp_tdshp0",
"mdp_img_dl_async0",
"mdp_img_dl_async1",
"mdp_rdma1",
"mdp_tdshp1",
"mdp_smi0",
"mdp_apb_bus",
"mdp_wrot0",
"mdp_rsz0",
"mdp_hdr0",
"mdp_mutex0",
"mdp_wrot1",
"mdp_rsz1",
"mdp_fake_eng0",
"mdp_aal0",
"mdp_aal1",
"mdp_color0",
"mdp_img_dl_rel0_as0",
"mdp_img_dl_rel1_as1",
/* SCPSYS */
"PG_MD1",
"PG_CONN",
"PG_MDP",
"PG_DIS",
"PG_MFG0",
"PG_MFG1",
"PG_MFG2",
"PG_MFG3",
"PG_MFG5",
"PG_ISP",
"PG_ISP2",
"PG_IPE",
"PG_VDEC",
"PG_VENC",
"PG_AUDIO",
"PG_ADSP",
"PG_CAM",
"PG_CAM_RAWA",
"PG_CAM_RAWB",
"PG_VPU",
/* end */
NULL
};
return clks;
}
static const char * const off_pll_names[] = {
"univpll",
"msdcpll",
"mmpll",
"tvdpll",
"npupll",
"usbpll",
NULL
};
static const char * const notice_pll_names[] = {
"adsppll",
"apll1",
"apll2",
NULL
};
static const char * const off_mtcmos_names[] = {
"PG_DIS",
"PG_MFG0",
"PG_MFG1",
"PG_MFG2",
"PG_MFG3",
"PG_MFG5",
"PG_ISP",
"PG_ISP2",
"PG_IPE",
"PG_VDEC",
"PG_VENC",
"PG_CAM",
"PG_CAM_RAWA",
"PG_CAM_RAWB",
"PG_VPU",
NULL
};
static const char * const notice_mtcmos_names[] = {
"PG_MD1",
"PG_CONN",
"PG_ADSP",
"PG_AUDIO",
NULL
};
static const char *ccf_state(struct clk_hw *hw)
{
if (__clk_get_enable_count(hw->clk))
return "enabled";
if (clk_hw_is_prepared(hw))
return "prepared";
return "disabled";
}
static void print_enabled_clks(void)
{
const char * const *cn = get_mt6833_all_clk_names();
const char *fix_clk = "clk26m";
for (; *cn; cn++) {
int valid = 0;
struct clk *c = __clk_lookup(*cn);
struct clk_hw *c_hw = __clk_get_hw(c);
struct clk_hw *p_hw;
const char *c_name;
const char *p_name;
const char * const *pn;
if (IS_ERR_OR_NULL(c) || !c_hw)
continue;
if (!__clk_get_enable_count(c))
continue;
p_hw = clk_hw_get_parent(c_hw);
c_name = clk_hw_get_name(c_hw);
p_name = p_hw ? clk_hw_get_name(p_hw) : 0;
while (p_name && strcmp(p_name, fix_clk)) {
struct clk_hw *p_hw_temp;
p_hw_temp = clk_hw_get_parent(p_hw);
p_name = p_hw_temp ? clk_hw_get_name(p_hw_temp) : 0;
if (p_name && strcmp(p_name, fix_clk))
p_hw = p_hw_temp;
else if (p_name && !strcmp(p_name, fix_clk)) {
c_name = clk_hw_get_name(p_hw);
break;
}
}
for (pn = off_pll_names; *pn && c_name; pn++)
if (!strncmp(c_name, *pn, 10)) {
valid++;
break;
}
if (!valid)
continue;
p_hw = clk_hw_get_parent(c_hw);
pr_notice("[%-17s: %8s, %3d, %3d, %10ld, %17s]\n",
clk_hw_get_name(c_hw),
ccf_state(c_hw),
clk_hw_is_prepared(c_hw),
__clk_get_enable_count(c),
clk_hw_get_rate(c_hw),
p_hw ? clk_hw_get_name(p_hw) : "- ");
}
}
static void check_pll_off(void)
{
static struct clk *off_plls[ARRAY_SIZE(off_pll_names)];
struct clk **c;
int invalid = 0;
// char buf[128] = {0};
// int n = 0;
if (!off_plls[0]) {
const char * const *pn;
for (pn = off_pll_names, c = off_plls; *pn; pn++, c++)
*c = __clk_lookup(*pn);
}
for (c = off_plls; *c; c++) {
struct clk_hw *c_hw = __clk_get_hw(*c);
if (!c_hw)
continue;
if (!clk_hw_is_enabled(c_hw))
continue;
pr_notice("suspend warning[0m: %s is on\n",
clk_hw_get_name(c_hw));
invalid++;
}
if (invalid) {
print_enabled_clks();
#ifdef CONFIG_MTK_ENG_BUILD
#if BUG_ON_CHK_ENABLE
BUG_ON(1);
#else
aee_kernel_warning("CCF MT6833",
"@%s():%d, PLLs are not off\n", __func__, __LINE__);
WARN_ON(1);
#endif
#else
aee_kernel_warning("CCF MT6833",
"@%s():%d, PLLs are not off\n", __func__, __LINE__);
WARN_ON(1);
#endif
}
}
/*
static void check_pll_notice(void)
{
static struct clk *off_plls[ARRAY_SIZE(notice_pll_names)];
struct clk **c;
int invalid = 0;
// char buf[128] = {0};
// int n = 0;
if (!off_plls[0]) {
const char * const *pn;
for (pn = notice_pll_names, c = off_plls; *pn; pn++, c++)
*c = __clk_lookup(*pn);
}
for (c = off_plls; *c; c++) {
struct clk_hw *c_hw = __clk_get_hw(*c);
if (!c_hw)
continue;
if (!clk_hw_is_enabled(c_hw))
continue;
pr_notice("suspend warning[0m: %s is on\n",
clk_hw_get_name(c_hw));
invalid++;
}
if (invalid)
print_enabled_clks();
}
*/
static void check_mtcmos_off(void)
{
static struct clk *off_mtcmos[ARRAY_SIZE(off_mtcmos_names)];
struct clk **c;
int invalid = 0;
// char buf[128] = {0};
// int n = 0;
if (!off_mtcmos[0]) {
const char * const *pn;
for (pn = off_mtcmos_names, c = off_mtcmos; *pn; pn++, c++)
*c = __clk_lookup(*pn);
}
for (c = off_mtcmos; *c; c++) {
struct clk_hw *c_hw = __clk_get_hw(*c);
if (!c_hw)
continue;
if (!clk_hw_is_prepared(c_hw) && !clk_hw_is_enabled(c_hw))
continue;
pr_notice("suspend warning[0m: %s is on\n",
clk_hw_get_name(c_hw));
invalid++;
}
if (invalid) {
#ifdef CONFIG_MTK_ENG_BUILD
#if BUG_ON_CHK_ENABLE
BUG_ON(1);
#else
aee_kernel_warning("CCF MT6833",
"@%s():%d, MTCMOSs are not off\n", __func__, __LINE__);
WARN_ON(1);
#endif
#else
aee_kernel_warning("CCF MT6833",
"@%s():%d, MTCMOSs are not off\n", __func__, __LINE__);
WARN_ON(1);
#endif
}
}
static void check_mtcmos_notice(void)
{
static struct clk *notice_mtcmos[ARRAY_SIZE(notice_mtcmos_names)];
struct clk **c;
// int invalid = 0;
// char buf[128] = {0};
// int n = 0;
if (!notice_mtcmos[0]) {
const char * const *pn;
for (pn = notice_mtcmos_names, c = notice_mtcmos;
*pn; pn++, c++)
*c = __clk_lookup(*pn);
}
for (c = notice_mtcmos; *c; c++) {
struct clk_hw *c_hw = __clk_get_hw(*c);
if (!c_hw)
continue;
if (!clk_hw_is_prepared(c_hw) && !clk_hw_is_enabled(c_hw))
continue;
pr_notice("suspend warning[0m: %s\n", clk_hw_get_name(c_hw));
}
}
void print_enabled_clks_once(void)
{
static bool first_flag = true;
if (first_flag) {
first_flag = false;
print_enabled_clks();
}
}
static int clkchk_syscore_suspend(void)
{
check_pll_off();
check_mtcmos_notice();
check_mtcmos_off();
return 0;
}
static void clkchk_syscore_resume(void)
{
}
static struct syscore_ops clkchk_syscore_ops = {
.suspend = clkchk_syscore_suspend,
.resume = clkchk_syscore_resume,
};
/*
* Before MTCMOS off procedure, perform the Subsys CGs sanity check.
*/
struct pg_check_swcg {
struct clk *c;
const char *name;
};
#define SWCG(_name) { \
.name = _name, \
}
struct subsys_cgs_check {
enum subsys_id id; /* the Subsys id */
struct pg_check_swcg *swcgs; /* those CGs that would be checked */
enum dbg_sys_id dbg_id; /*
* subsys_name is used in
* print_subsys_reg() and can be NULL
* if not porting ready yet.
*/
};
/*
* The clk names in Mediatek CCF.
*/
struct pg_check_swcg mm_swcgs[] = {
SWCG("mm_disp_mutex0"),
SWCG("mm_apb_bus"),
SWCG("mm_disp_ovl0"),
SWCG("mm_disp_rdma0"),
SWCG("mm_disp_ovl0_2l"),
SWCG("mm_disp_wdma0"),
SWCG("mm_disp_ccorr1"),
SWCG("mm_disp_rsz0"),
SWCG("mm_disp_aal0"),
SWCG("mm_disp_ccorr0"),
SWCG("mm_disp_color0"),
SWCG("mm_smi_infra"),
SWCG("mm_disp_dsc_wrap"),
SWCG("mm_disp_gamma0"),
SWCG("mm_disp_postmask0"),
SWCG("mm_disp_spr0"),
SWCG("mm_disp_dither0"),
SWCG("mm_smi_common"),
SWCG("mm_disp_cm0"),
SWCG("mm_dsi0"),
SWCG("mm_disp_fake_eng0"),
SWCG("mm_disp_fake_eng1"),
SWCG("mm_smi_gals"),
SWCG("mm_smi_iommu"),
SWCG(NULL),
};
struct pg_check_swcg mdp_swcgs[] = {
SWCG("mdp_rdma0"),
SWCG("mdp_tdshp0"),
SWCG("mdp_img_dl_async0"),
SWCG("mdp_img_dl_async1"),
SWCG("mdp_rdma1"),
SWCG("mdp_tdshp1"),
SWCG("mdp_smi0"),
SWCG("mdp_apb_bus"),
SWCG("mdp_wrot0"),
SWCG("mdp_rsz0"),
SWCG("mdp_hdr0"),
SWCG("mdp_mutex0"),
SWCG("mdp_wrot1"),
SWCG("mdp_rsz1"),
SWCG("mdp_fake_eng0"),
SWCG("mdp_aal0"),
SWCG("mdp_aal1"),
SWCG("mdp_color0"),
SWCG("mdp_img_dl_rel0_as0"),
SWCG("mdp_img_dl_rel1_as1"),
SWCG(NULL),
};
struct pg_check_swcg vdec_swcgs[] = {
SWCG("vdec_larb1_cken"),
SWCG("vdec_cken"),
SWCG("vdec_active"),
SWCG(NULL),
};
struct pg_check_swcg venc_swcgs[] = {
SWCG("venc_set0_larb"),
SWCG("venc_set1_venc"),
SWCG("jpgenc"),
SWCG("venc_set5_gals"),
SWCG(NULL),
};
struct pg_check_swcg img1_swcgs[] = {
SWCG("imgsys1_larb9"),
SWCG("imgsys1_larb10"),
SWCG("imgsys1_dip"),
SWCG("imgsys1_gals"),
SWCG(NULL),
};
struct pg_check_swcg img2_swcgs[] = {
SWCG("imgsys2_larb9"),
SWCG("imgsys2_larb10"),
SWCG("imgsys2_mfb"),
SWCG("imgsys2_wpe"),
SWCG("imgsys2_mss"),
SWCG("imgsys2_gals"),
SWCG(NULL),
};
struct pg_check_swcg ipe_swcgs[] = {
SWCG("ipe_larb19"),
SWCG("ipe_larb20"),
SWCG("ipe_smi_subcom"),
SWCG("ipe_fd"),
SWCG("ipe_fe"),
SWCG("ipe_rsc"),
SWCG("ipe_dpe"),
SWCG("ipe_gals"),
SWCG(NULL),
};
struct pg_check_swcg cam_swcgs[] = {
SWCG("cam_m_larb13"),
SWCG("cam_m_larb14"),
SWCG("cam_m_reserved0"),
SWCG("cam_m_cam"),
SWCG("cam_m_camtg"),
SWCG("cam_m_seninf"),
SWCG("cam_m_camsv1"),
SWCG("cam_m_camsv2"),
SWCG("cam_m_camsv3"),
SWCG("cam_m_ccu0"),
SWCG("cam_m_ccu1"),
SWCG("cam_m_mraw0"),
SWCG("cam_m_reserved2"),
SWCG("cam_m_fake_eng"),
SWCG("cam_m_ccu_gals"),
SWCG("cam_m_cam2mm_gals"),
SWCG(NULL),
};
struct pg_check_swcg cam_rawa_swcgs[] = {
SWCG("cam_ra_larbx"),
SWCG("cam_ra_cam"),
SWCG("cam_ra_camtg"),
SWCG(NULL),
};
struct pg_check_swcg cam_rawb_swcgs[] = {
SWCG("cam_rb_larbx"),
SWCG("cam_rb_cam"),
SWCG("cam_rb_camtg"),
SWCG(NULL),
};
struct subsys_cgs_check mtk_subsys_check[] = {
/*{SYS_DIS, mm_swcgs, NULL}, */
{SYS_DIS, mm_swcgs, mmsys},
{SYS_DIS, mdp_swcgs, mdpsys},
{SYS_VDE, vdec_swcgs, vdecsys},
{SYS_VEN, venc_swcgs, vencsys},
{SYS_ISP, img1_swcgs, img1sys},
{SYS_ISP2, img2_swcgs, img2sys},
{SYS_IPE, ipe_swcgs, ipesys},
{SYS_CAM, cam_swcgs, camsys},
{SYS_CAM_RAWA, cam_rawa_swcgs, cam_rawa_sys},
{SYS_CAM_RAWB, cam_rawb_swcgs, cam_rawb_sys},
};
static unsigned int check_cg_state(struct pg_check_swcg *swcg)
{
int enable_count = 0;
if (!swcg)
return 0;
while (swcg->name) {
if (!IS_ERR_OR_NULL(swcg->c)) {
if (__clk_get_enable_count(swcg->c) > 0) {
pr_notice("%s[%-17s: %3d]\n",
__func__,
__clk_get_name(swcg->c),
__clk_get_enable_count(swcg->c));
enable_count++;
}
}
swcg++;
}
return enable_count;
}
void mtk_check_subsys_swcg(enum subsys_id id)
{
int i;
unsigned int ret = 0;
for (i = 0; i < ARRAY_SIZE(mtk_subsys_check); i++) {
if (mtk_subsys_check[i].id != id)
continue;
/* check if Subsys CGs are still on */
ret = check_cg_state(mtk_subsys_check[i].swcgs);
if (ret) {
pr_notice("%s:(%d) warning!\n", __func__, id);
/* print registers dump */
print_subsys_reg(mtk_subsys_check[i].dbg_id);
}
}
if (ret) {
pr_notice("%s(%d): %d\n", __func__, id, ret);
BUG_ON(1);
}
}
static void __init pg_check_swcg_init_common(struct pg_check_swcg *swcg)
{
if (!swcg)
return;
while (swcg->name) {
struct clk *c = __clk_lookup(swcg->name);
if (IS_ERR_OR_NULL(c))
pr_notice("[%17s: NULL]\n", swcg->name);
else
swcg->c = c;
swcg++;
}
}
static int __init clkchk_init(void)
{
/* fill the 'struct clk *' ptr of every CGs*/
int i;
if (!of_machine_is_compatible("mediatek,MT6833"))
return -ENODEV;
register_syscore_ops(&clkchk_syscore_ops);
for (i = 0; i < ARRAY_SIZE(mtk_subsys_check); i++)
pg_check_swcg_init_common(mtk_subsys_check[i].swcgs);
return 0;
}
subsys_initcall(clkchk_init);