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soc: mediatek: reduce code duplication of scpsys_probe across all SoCs 

Reduce code duplication of scpsys_probe_mtXXXX across all SoCs using
the more generic scpsys_probe all covering all cases to avoid starting
to bloat the driver when more MediaTek SoCs supported are added.

Suggested-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Sean Wang 2017-08-07 15:24:35 +08:00 committed by Matthias Brugger
parent 96e1324a55
commit 53fddb1a66
1 changed files with 79 additions and 103 deletions
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182
drivers/soc/mediatek/mtk-scpsys.c
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@ -124,6 +124,19 @@ struct scp {
struct scp_ctrl_reg ctrl_reg;
};
struct scp_subdomain {
int origin;
int subdomain;
};
struct scp_soc_data {
const struct scp_domain_data *domains;
int num_domains;
const struct scp_subdomain *subdomains;
int num_subdomains;
const struct scp_ctrl_reg regs;
};
static int scpsys_domain_is_on(struct scp_domain *scpd)
{
struct scp *scp = scpd->scp;
@ -357,7 +370,7 @@ static void init_clks(struct platform_device *pdev, struct clk **clk)
static struct scp *init_scp(struct platform_device *pdev,
const struct scp_domain_data *scp_domain_data, int num,
struct scp_ctrl_reg *scp_ctrl_reg)
const struct scp_ctrl_reg *scp_ctrl_reg)
{
struct genpd_onecell_data *pd_data;
struct resource *res;
@ -565,26 +578,6 @@ static const struct scp_domain_data scp_domain_data_mt2701[] = {
},
};
#define NUM_DOMAINS_MT2701 ARRAY_SIZE(scp_domain_data_mt2701)
static int __init scpsys_probe_mt2701(struct platform_device *pdev)
{
struct scp *scp;
struct scp_ctrl_reg scp_reg;
scp_reg.pwr_sta_offs = SPM_PWR_STATUS;
scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND;
scp = init_scp(pdev, scp_domain_data_mt2701, NUM_DOMAINS_MT2701,
&scp_reg);
if (IS_ERR(scp))
return PTR_ERR(scp);
mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT2701);
return 0;
}
/*
* MT6797 power domain support
*/
@ -649,51 +642,15 @@ static const struct scp_domain_data scp_domain_data_mt6797[] = {
},
};
#define NUM_DOMAINS_MT6797 ARRAY_SIZE(scp_domain_data_mt6797)
#define SPM_PWR_STATUS_MT6797 0x0180
#define SPM_PWR_STATUS_2ND_MT6797 0x0184
static int __init scpsys_probe_mt6797(struct platform_device *pdev)
{
struct scp *scp;
struct genpd_onecell_data *pd_data;
int ret;
struct scp_ctrl_reg scp_reg;
scp_reg.pwr_sta_offs = SPM_PWR_STATUS_MT6797;
scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797;
scp = init_scp(pdev, scp_domain_data_mt6797, NUM_DOMAINS_MT6797,
&scp_reg);
if (IS_ERR(scp))
return PTR_ERR(scp);
mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT6797);
pd_data = &scp->pd_data;
ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
pd_data->domains[MT6797_POWER_DOMAIN_VDEC]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
pd_data->domains[MT6797_POWER_DOMAIN_ISP]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
pd_data->domains[MT6797_POWER_DOMAIN_VENC]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
pd_data->domains[MT6797_POWER_DOMAIN_MJC]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
return 0;
}
static const struct scp_subdomain scp_subdomain_mt6797[] = {
{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VDEC},
{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_ISP},
{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VENC},
{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_MJC},
};
/*
* MT8173 power domain support
@ -789,39 +746,41 @@ static const struct scp_domain_data scp_domain_data_mt8173[] = {
},
};
#define NUM_DOMAINS_MT8173 ARRAY_SIZE(scp_domain_data_mt8173)
static const struct scp_subdomain scp_subdomain_mt8173[] = {
{MT8173_POWER_DOMAIN_MFG_ASYNC, MT8173_POWER_DOMAIN_MFG_2D},
{MT8173_POWER_DOMAIN_MFG_2D, MT8173_POWER_DOMAIN_MFG},
};
static int __init scpsys_probe_mt8173(struct platform_device *pdev)
{
struct scp *scp;
struct genpd_onecell_data *pd_data;
int ret;
struct scp_ctrl_reg scp_reg;
static const struct scp_soc_data mt2701_data = {
.domains = scp_domain_data_mt2701,
.num_domains = ARRAY_SIZE(scp_domain_data_mt2701),
.regs = {
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
}
};
scp_reg.pwr_sta_offs = SPM_PWR_STATUS;
scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND;
static const struct scp_soc_data mt6797_data = {
.domains = scp_domain_data_mt6797,
.num_domains = ARRAY_SIZE(scp_domain_data_mt6797),
.subdomains = scp_subdomain_mt6797,
.num_subdomains = ARRAY_SIZE(scp_subdomain_mt6797),
.regs = {
.pwr_sta_offs = SPM_PWR_STATUS_MT6797,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797
}
};
scp = init_scp(pdev, scp_domain_data_mt8173, NUM_DOMAINS_MT8173,
&scp_reg);
if (IS_ERR(scp))
return PTR_ERR(scp);
mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT8173);
pd_data = &scp->pd_data;
ret = pm_genpd_add_subdomain(pd_data->domains[MT8173_POWER_DOMAIN_MFG_ASYNC],
pd_data->domains[MT8173_POWER_DOMAIN_MFG_2D]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
ret = pm_genpd_add_subdomain(pd_data->domains[MT8173_POWER_DOMAIN_MFG_2D],
pd_data->domains[MT8173_POWER_DOMAIN_MFG]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
return 0;
}
static const struct scp_soc_data mt8173_data = {
.domains = scp_domain_data_mt8173,
.num_domains = ARRAY_SIZE(scp_domain_data_mt8173),
.subdomains = scp_subdomain_mt8173,
.num_subdomains = ARRAY_SIZE(scp_subdomain_mt8173),
.regs = {
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
}
};
/*
* scpsys driver init
@ -830,13 +789,13 @@ static int __init scpsys_probe_mt8173(struct platform_device *pdev)
static const struct of_device_id of_scpsys_match_tbl[] = {
{
.compatible = "mediatek,mt2701-scpsys",
.data = scpsys_probe_mt2701,
.data = &mt2701_data,
}, {
.compatible = "mediatek,mt6797-scpsys",
.data = scpsys_probe_mt6797,
.data = &mt6797_data,
}, {
.compatible = "mediatek,mt8173-scpsys",
.data = scpsys_probe_mt8173,
.data = &mt8173_data,
}, {
/* sentinel */
}
@ -844,16 +803,33 @@ static const struct of_device_id of_scpsys_match_tbl[] = {
static int scpsys_probe(struct platform_device *pdev)
{
int (*probe)(struct platform_device *);
const struct of_device_id *of_id;
const struct of_device_id *match;
const struct scp_subdomain *sd;
const struct scp_soc_data *soc;
struct scp *scp;
struct genpd_onecell_data *pd_data;
int i, ret;
of_id = of_match_node(of_scpsys_match_tbl, pdev->dev.of_node);
if (!of_id || !of_id->data)
return -EINVAL;
match = of_match_device(of_scpsys_match_tbl, &pdev->dev);
soc = (const struct scp_soc_data *)match->data;
probe = of_id->data;
scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs);
if (IS_ERR(scp))
return PTR_ERR(scp);
return probe(pdev);
mtk_register_power_domains(pdev, scp, soc->num_domains);
pd_data = &scp->pd_data;
for (i = 0, sd = soc->subdomains ; i < soc->num_subdomains ; i++) {
ret = pm_genpd_add_subdomain(pd_data->domains[sd->origin],
pd_data->domains[sd->subdomain]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n",
ret);
}
return 0;
}
static struct platform_driver scpsys_drv = {