// SPDX-License-Identifier: GPL-2.0-only
/*
* Rockchip Generic power domain support.
*
* Copyright (c) 2015 ROCKCHIP, Co. Ltd.
*/
#include <linux/module.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/err.h>
#include <linux/pm_clock.h>
#include <linux/pm_domain.h>
#include <linux/of_address.h>
#include <linux/of_clk.h>
#include <linux/of_platform.h>
#include <linux/clk.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/mfd/syscon.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/rockchip/cpu.h>
#include <soc/rockchip/pm_domains.h>
#include <soc/rockchip/rockchip_dmc.h>
#include <dt-bindings/power/px30-power.h>
#include <dt-bindings/power/rv1126-power.h>
#include <dt-bindings/power/rk1808-power.h>
#include <dt-bindings/power/rk3036-power.h>
#include <dt-bindings/power/rk3066-power.h>
#include <dt-bindings/power/rk3128-power.h>
#include <dt-bindings/power/rk3188-power.h>
#include <dt-bindings/power/rk3228-power.h>
#include <dt-bindings/power/rk3288-power.h>
#include <dt-bindings/power/rk3328-power.h>
#include <dt-bindings/power/rk3366-power.h>
#include <dt-bindings/power/rk3368-power.h>
#include <dt-bindings/power/rk3399-power.h>
#include <dt-bindings/power/rk3568-power.h>
#include <dt-bindings/power/rk3588-power.h>
struct rockchip_domain_info {
const char *name;
int pwr_mask;
int status_mask;
int req_mask;
int idle_mask;
int ack_mask;
bool active_wakeup;
int pwr_w_mask;
int req_w_mask;
int mem_status_mask;
int repair_status_mask;
bool keepon_startup;
bool always_on;
u32 pwr_offset;
u32 mem_offset;
u32 req_offset;
};
struct rockchip_pmu_info {
u32 pwr_offset;
u32 status_offset;
u32 req_offset;
u32 idle_offset;
u32 ack_offset;
u32 mem_pwr_offset;
u32 chain_status_offset;
u32 mem_status_offset;
u32 repair_status_offset;
u32 core_pwrcnt_offset;
u32 gpu_pwrcnt_offset;
unsigned int core_power_transition_time;
unsigned int gpu_power_transition_time;
int num_domains;
const struct rockchip_domain_info *domain_info;
};
#define MAX_QOS_REGS_NUM 5
#define QOS_PRIORITY 0x08
#define QOS_MODE 0x0c
#define QOS_BANDWIDTH 0x10
#define QOS_SATURATION 0x14
#define QOS_EXTCONTROL 0x18
struct rockchip_pm_domain {
struct generic_pm_domain genpd;
const struct rockchip_domain_info *info;
struct rockchip_pmu *pmu;
int num_qos;
struct regmap **qos_regmap;
u32 *qos_save_regs[MAX_QOS_REGS_NUM];
bool *qos_is_need_init[MAX_QOS_REGS_NUM];
int num_clks;
struct clk_bulk_data *clks;
bool is_ignore_pwr;
bool is_qos_saved;
bool is_qos_need_init;
struct regulator *supply;
};
struct rockchip_pmu {
struct device *dev;
struct regmap *regmap;
const struct rockchip_pmu_info *info;
struct mutex mutex; /* mutex lock for pmu */
struct genpd_onecell_data genpd_data;
struct generic_pm_domain *domains[];
};
static struct rockchip_pmu *g_pmu;
static bool pm_domain_always_on;
module_param_named(always_on, pm_domain_always_on, bool, 0644);
MODULE_PARM_DESC(always_on,
"Always keep pm domains power on except for system suspend.");
static void rockchip_pmu_lock(struct rockchip_pm_domain *pd)
{
mutex_lock(&pd->pmu->mutex);
rockchip_dmcfreq_lock_nested();
}
static void rockchip_pmu_unlock(struct rockchip_pm_domain *pd)
{
rockchip_dmcfreq_unlock();
mutex_unlock(&pd->pmu->mutex);
}
#define to_rockchip_pd(gpd) container_of(gpd, struct rockchip_pm_domain, genpd)
#define DOMAIN(_name, pwr, status, req, idle, ack, wakeup, keepon) \
{ \
.name = _name, \
.pwr_mask = (pwr), \
.status_mask = (status), \
.req_mask = (req), \
.idle_mask = (idle), \
.ack_mask = (ack), \
.active_wakeup = (wakeup), \
.keepon_startup = (keepon), \
}
#define DOMAIN_M(_name, pwr, status, req, idle, ack, wakeup, keepon) \
{ \
.name = _name, \
.pwr_w_mask = (pwr) << 16, \
.pwr_mask = (pwr), \
.status_mask = (status), \
.req_w_mask = (req) << 16, \
.req_mask = (req), \
.idle_mask = (idle), \
.ack_mask = (ack), \
.active_wakeup = wakeup, \
.keepon_startup = keepon, \
}
#define DOMAIN_M_O(_name, pwr, status, p_offset, req, idle, ack, r_offset, wakeup, keepon) \
{ \
.name = _name, \
.pwr_w_mask = (pwr) << 16, \
.pwr_mask = (pwr), \
.status_mask = (status), \
.req_w_mask = (req) << 16, \
.req_mask = (req), \
.idle_mask = (idle), \
.ack_mask = (ack), \
.active_wakeup = wakeup, \
.keepon_startup = keepon, \
.pwr_offset = p_offset, \
.req_offset = r_offset, \
}
#define DOMAIN_M_O_R(_name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, ack, wakeup, keepon) \
{ \
.name = _name, \
.pwr_offset = p_offset, \
.pwr_w_mask = (pwr) << 16, \
.pwr_mask = (pwr), \
.status_mask = (status), \
.mem_offset = m_offset, \
.mem_status_mask = (m_status), \
.repair_status_mask = (r_status), \
.req_offset = r_offset, \
.req_w_mask = (req) << 16, \
.req_mask = (req), \
.idle_mask = (idle), \
.ack_mask = (ack), \
.active_wakeup = wakeup, \
.keepon_startup = keepon, \
}
#define DOMAIN_RK3036(_name, req, ack, idle, wakeup) \
{ \
.name = _name, \
.req_mask = (req), \
.req_w_mask = (req) << 16, \
.ack_mask = (ack), \
.idle_mask = (idle), \
.active_wakeup = wakeup, \
}
#define DOMAIN_PX30(name, pwr, status, req, wakeup) \
DOMAIN_M(name, pwr, status, req, (req) << 16, req, wakeup, false)
#define DOMAIN_PX30_PROTECT(name, pwr, status, req, wakeup) \
DOMAIN_M(name, pwr, status, req, (req) << 16, req, wakeup, true)
#define DOMAIN_RV1126(name, pwr, req, idle, wakeup) \
DOMAIN_M(name, pwr, pwr, req, idle, idle, wakeup, false)
#define DOMAIN_RV1126_PROTECT(name, pwr, req, idle, wakeup) \
DOMAIN_M(name, pwr, pwr, req, idle, idle, wakeup, true)
#define DOMAIN_RV1126_O(name, pwr, req, idle, r_offset, wakeup) \
DOMAIN_M_O(name, pwr, pwr, 0, req, idle, idle, r_offset, wakeup, false)
#define DOMAIN_RK3288(name, pwr, status, req, wakeup) \
DOMAIN(name, pwr, status, req, req, (req) << 16, wakeup, false)
#define DOMAIN_RK3288_PROTECT(name, pwr, status, req, wakeup) \
DOMAIN(name, pwr, status, req, req, (req) << 16, wakeup, true)
#define DOMAIN_RK3328(name, pwr, status, req, wakeup) \
DOMAIN_M(name, pwr, pwr, req, (req) << 10, req, wakeup, false)
#define DOMAIN_RK3368(name, pwr, status, req, wakeup) \
DOMAIN(name, pwr, status, req, (req) << 16, req, wakeup, false)
#define DOMAIN_RK3368_PROTECT(name, pwr, status, req, wakeup) \
DOMAIN(name, pwr, status, req, (req) << 16, req, wakeup, true)
#define DOMAIN_RK3399(name, pwr, status, req, wakeup) \
DOMAIN(name, pwr, status, req, req, req, wakeup, false)
#define DOMAIN_RK3399_PROTECT(name, pwr, status, req, wakeup) \
DOMAIN(name, pwr, status, req, req, req, wakeup, true)
#define DOMAIN_RK3568(name, pwr, req, wakeup) \
DOMAIN_M(name, pwr, pwr, req, req, req, wakeup, false)
#define DOMAIN_RK3568_PROTECT(name, pwr, req, wakeup) \
DOMAIN_M(name, pwr, pwr, req, req, req, wakeup, true)
#define DOMAIN_RK3588(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, wakeup) \
DOMAIN_M_O_R(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, idle, wakeup, false)
#define DOMAIN_RK3588_P(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, wakeup) \
DOMAIN_M_O_R(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, idle, wakeup, true)
static bool rockchip_pmu_domain_is_idle(struct rockchip_pm_domain *pd)
{
struct rockchip_pmu *pmu = pd->pmu;
const struct rockchip_domain_info *pd_info = pd->info;
unsigned int val;
regmap_read(pmu->regmap, pmu->info->idle_offset, &val);
return (val & pd_info->idle_mask) == pd_info->idle_mask;
}
static unsigned int rockchip_pmu_read_ack(struct rockchip_pmu *pmu)
{
unsigned int val;
regmap_read(pmu->regmap, pmu->info->ack_offset, &val);
return val;
}
static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd,
bool idle)
{
const struct rockchip_domain_info *pd_info = pd->info;
struct generic_pm_domain *genpd = &pd->genpd;
struct rockchip_pmu *pmu = pd->pmu;
u32 pd_req_offset = 0;
unsigned int target_ack;
unsigned int val;
bool is_idle;
int ret = 0;
if (pd_info->req_offset)
pd_req_offset = pd_info->req_offset;
if (pd_info->req_mask == 0)
return 0;
else if (pd_info->req_w_mask)
regmap_write(pmu->regmap, pmu->info->req_offset + pd_req_offset,
idle ? (pd_info->req_mask | pd_info->req_w_mask) :
pd_info->req_w_mask);
else
regmap_update_bits(pmu->regmap, pmu->info->req_offset +
pd_req_offset, pd_info->req_mask,
idle ? -1U : 0);
dsb(sy);
/* Wait util idle_ack = 1 */
target_ack = idle ? pd_info->ack_mask : 0;
ret = readx_poll_timeout_atomic(rockchip_pmu_read_ack, pmu, val,
(val & pd_info->ack_mask) == target_ack,
0, 10000);
if (ret) {
dev_err(pmu->dev,
"failed to get ack on domain '%s', target_idle = %d, target_ack = %d, val=0x%x\n",
genpd->name, idle, target_ack, val);
goto error;
}
ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_idle, pd,
is_idle, is_idle == idle, 0, 10000);
if (ret) {
dev_err(pmu->dev,
"failed to set idle on domain '%s', target_idle = %d, val=%d\n",
genpd->name, idle, is_idle);
goto error;
}
return ret;
error:
panic("panic_on_set_idle set ...\n");
return ret;
}
int rockchip_pmu_idle_request(struct device *dev, bool idle)
{
struct generic_pm_domain *genpd;
struct rockchip_pm_domain *pd;
int ret;
if (IS_ERR_OR_NULL(dev))
return -EINVAL;
if (IS_ERR_OR_NULL(dev->pm_domain))
return -EINVAL;
genpd = pd_to_genpd(dev->pm_domain);
pd = to_rockchip_pd(genpd);
rockchip_pmu_lock(pd);
ret = rockchip_pmu_set_idle_request(pd, idle);
rockchip_pmu_unlock(pd);
return ret;
}
EXPORT_SYMBOL(rockchip_pmu_idle_request);
static int rockchip_pmu_save_qos(struct rockchip_pm_domain *pd)
{
int i;
for (i = 0; i < pd->num_qos; i++) {
regmap_read(pd->qos_regmap[i],
QOS_PRIORITY,
&pd->qos_save_regs[0][i]);
regmap_read(pd->qos_regmap[i],
QOS_MODE,
&pd->qos_save_regs[1][i]);
regmap_read(pd->qos_regmap[i],
QOS_BANDWIDTH,
&pd->qos_save_regs[2][i]);
regmap_read(pd->qos_regmap[i],
QOS_SATURATION,
&pd->qos_save_regs[3][i]);
regmap_read(pd->qos_regmap[i],
QOS_EXTCONTROL,
&pd->qos_save_regs[4][i]);
}
return 0;
}
static int rockchip_pmu_restore_qos(struct rockchip_pm_domain *pd)
{
int i;
for (i = 0; i < pd->num_qos; i++) {
regmap_write(pd->qos_regmap[i],
QOS_PRIORITY,
pd->qos_save_regs[0][i]);
regmap_write(pd->qos_regmap[i],
QOS_MODE,
pd->qos_save_regs[1][i]);
regmap_write(pd->qos_regmap[i],
QOS_BANDWIDTH,
pd->qos_save_regs[2][i]);
regmap_write(pd->qos_regmap[i],
QOS_SATURATION,
pd->qos_save_regs[3][i]);
regmap_write(pd->qos_regmap[i],
QOS_EXTCONTROL,
pd->qos_save_regs[4][i]);
}
return 0;
}
static void rockchip_pmu_init_qos(struct rockchip_pm_domain *pd)
{
int i;
if (!pd->is_qos_need_init)
return;
for (i = 0; i < pd->num_qos; i++) {
if (pd->qos_is_need_init[0][i])
regmap_write(pd->qos_regmap[i],
QOS_PRIORITY,
pd->qos_save_regs[0][i]);
if (pd->qos_is_need_init[1][i])
regmap_write(pd->qos_regmap[i],
QOS_MODE,
pd->qos_save_regs[1][i]);
if (pd->qos_is_need_init[2][i])
regmap_write(pd->qos_regmap[i],
QOS_BANDWIDTH,
pd->qos_save_regs[2][i]);
if (pd->qos_is_need_init[3][i])
regmap_write(pd->qos_regmap[i],
QOS_SATURATION,
pd->qos_save_regs[3][i]);
if (pd->qos_is_need_init[4][i])
regmap_write(pd->qos_regmap[i],
QOS_EXTCONTROL,
pd->qos_save_regs[4][i]);
}
kfree(pd->qos_is_need_init[0]);
pd->qos_is_need_init[0] = NULL;
pd->is_qos_need_init = false;
}
int rockchip_save_qos(struct device *dev)
{
struct generic_pm_domain *genpd;
struct rockchip_pm_domain *pd;
int ret;
if (IS_ERR_OR_NULL(dev))
return -EINVAL;
if (IS_ERR_OR_NULL(dev->pm_domain))
return -EINVAL;
genpd = pd_to_genpd(dev->pm_domain);
pd = to_rockchip_pd(genpd);
rockchip_pmu_lock(pd);
ret = rockchip_pmu_save_qos(pd);
rockchip_pmu_unlock(pd);
return ret;
}
EXPORT_SYMBOL(rockchip_save_qos);
int rockchip_restore_qos(struct device *dev)
{
struct generic_pm_domain *genpd;
struct rockchip_pm_domain *pd;
int ret;
if (IS_ERR_OR_NULL(dev))
return -EINVAL;
if (IS_ERR_OR_NULL(dev->pm_domain))
return -EINVAL;
genpd = pd_to_genpd(dev->pm_domain);
pd = to_rockchip_pd(genpd);
rockchip_pmu_lock(pd);
ret = rockchip_pmu_restore_qos(pd);
rockchip_pmu_unlock(pd);
return ret;
}
EXPORT_SYMBOL(rockchip_restore_qos);
static bool rockchip_pmu_domain_is_mem_on(struct rockchip_pm_domain *pd)
{
struct rockchip_pmu *pmu = pd->pmu;
unsigned int val;
regmap_read(pmu->regmap,
pmu->info->mem_status_offset + pd->info->mem_offset, &val);
/* 1'b0: power on, 1'b1: power off */
return !(val & pd->info->mem_status_mask);
}
static bool rockchip_pmu_domain_is_chain_on(struct rockchip_pm_domain *pd)
{
struct rockchip_pmu *pmu = pd->pmu;
unsigned int val;
regmap_read(pmu->regmap,
pmu->info->chain_status_offset + pd->info->mem_offset, &val);
/* 1'b1: power on, 1'b0: power off */
return val & pd->info->mem_status_mask;
}
static int rockchip_pmu_domain_mem_reset(struct rockchip_pm_domain *pd)
{
struct rockchip_pmu *pmu = pd->pmu;
struct generic_pm_domain *genpd = &pd->genpd;
bool is_on;
int ret = 0;
ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_chain_on, pd, is_on,
is_on == true, 0, 10000);
if (ret) {
dev_err(pmu->dev,
"failed to get chain status '%s', target_on=1, val=%d\n",
genpd->name, is_on);
goto error;
}
udelay(60);
regmap_write(pmu->regmap, pmu->info->mem_pwr_offset + pd->info->pwr_offset,
(pd->info->pwr_mask | pd->info->pwr_w_mask));
dsb(sy);
ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_mem_on, pd, is_on,
is_on == false, 0, 10000);
if (ret) {
dev_err(pmu->dev,
"failed to get mem status '%s', target_on=0, val=%d\n",
genpd->name, is_on);
goto error;
}
regmap_write(pmu->regmap, pmu->info->mem_pwr_offset + pd->info->pwr_offset,
pd->info->pwr_w_mask);
dsb(sy);
ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_mem_on, pd, is_on,
is_on == true, 0, 10000);
if (ret) {
dev_err(pmu->dev,
"failed to get mem status '%s', target_on=1, val=%d\n",
genpd->name, is_on);
}
error:
return ret;
}
static bool rockchip_pmu_domain_is_on(struct rockchip_pm_domain *pd)
{
struct rockchip_pmu *pmu = pd->pmu;
unsigned int val;
if (pd->info->repair_status_mask) {
regmap_read(pmu->regmap, pmu->info->repair_status_offset, &val);
/* 1'b1: power on, 1'b0: power off */
return val & pd->info->repair_status_mask;
}
/* check idle status for idle-only domains */
if (pd->info->status_mask == 0)
return !rockchip_pmu_domain_is_idle(pd);
regmap_read(pmu->regmap, pmu->info->status_offset, &val);
/* 1'b0: power on, 1'b1: power off */
return !(val & pd->info->status_mask);
}
static int rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd,
bool on)
{
struct rockchip_pmu *pmu = pd->pmu;
struct generic_pm_domain *genpd = &pd->genpd;
u32 pd_pwr_offset = 0;
bool is_on, is_mem_on = false;
int ret = 0;
if (pd->info->pwr_mask == 0)
return 0;
if (on && pd->info->mem_status_mask)
is_mem_on = rockchip_pmu_domain_is_mem_on(pd);
if (pd->info->pwr_offset)
pd_pwr_offset = pd->info->pwr_offset;
if (pd->info->pwr_w_mask)
regmap_write(pmu->regmap, pmu->info->pwr_offset + pd_pwr_offset,
on ? pd->info->pwr_w_mask :
(pd->info->pwr_mask | pd->info->pwr_w_mask));
else
regmap_update_bits(pmu->regmap, pmu->info->pwr_offset +
pd_pwr_offset, pd->info->pwr_mask,
on ? 0 : -1U);
dsb(sy);
if (is_mem_on) {
ret = rockchip_pmu_domain_mem_reset(pd);
if (ret)
goto error;
}
ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_on, pd, is_on,
is_on == on, 0, 10000);
if (ret) {
dev_err(pmu->dev,
"failed to set domain '%s', target_on= %d, val=%d\n",
genpd->name, on, is_on);
goto error;
}
return ret;
error:
panic("panic_on_set_domain set ...\n");
return ret;
}
static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)
{
struct rockchip_pmu *pmu = pd->pmu;
int ret = 0;
struct generic_pm_domain *genpd = &pd->genpd;
if (pm_domain_always_on && !power_on)
return 0;
if (!power_on && soc_is_px30s()) {
if (genpd->name && !strcmp(genpd->name, "gpu"))
return 0;
}
rockchip_pmu_lock(pd);
if (rockchip_pmu_domain_is_on(pd) != power_on) {
if (IS_ERR_OR_NULL(pd->supply) &&
PTR_ERR(pd->supply) != -ENODEV)
pd->supply = devm_regulator_get_optional(pd->pmu->dev,
genpd->name);
if (power_on && !IS_ERR(pd->supply)) {
ret = regulator_enable(pd->supply);
if (ret < 0) {
dev_err(pd->pmu->dev, "failed to set vdd supply enable '%s',\n",
genpd->name);
rockchip_pmu_unlock(pd);
return ret;
}
}
ret = clk_bulk_enable(pd->num_clks, pd->clks);
if (ret < 0) {
dev_err(pmu->dev, "failed to enable clocks\n");
rockchip_pmu_unlock(pd);
return ret;
}
if (!power_on) {
rockchip_pmu_save_qos(pd);
pd->is_qos_saved = true;
/* if powering down, idle request to NIU first */
ret = rockchip_pmu_set_idle_request(pd, true);
if (ret) {
dev_err(pd->pmu->dev, "failed to set idle request '%s',\n",
genpd->name);
goto out;
}
}
ret = rockchip_do_pmu_set_power_domain(pd, power_on);
if (ret) {
dev_err(pd->pmu->dev, "failed to set power '%s' = %d,\n",
genpd->name, power_on);
goto out;
}
if (power_on) {
/* if powering up, leave idle mode */
ret = rockchip_pmu_set_idle_request(pd, false);
if (ret) {
dev_err(pd->pmu->dev, "failed to set deidle request '%s',\n",
genpd->name);
goto out;
}
if (pd->is_qos_saved)
rockchip_pmu_restore_qos(pd);
if (pd->is_qos_need_init)
rockchip_pmu_init_qos(pd);
}
out:
clk_bulk_disable(pd->num_clks, pd->clks);
if (!power_on && !IS_ERR(pd->supply))
ret = regulator_disable(pd->supply);
}
rockchip_pmu_unlock(pd);
return ret;
}
static int rockchip_pd_power_on(struct generic_pm_domain *domain)
{
struct rockchip_pm_domain *pd = to_rockchip_pd(domain);
if (pd->is_ignore_pwr)
return 0;
return rockchip_pd_power(pd, true);
}
static int rockchip_pd_power_off(struct generic_pm_domain *domain)
{
struct rockchip_pm_domain *pd = to_rockchip_pd(domain);
if (pd->is_ignore_pwr)
return 0;
return rockchip_pd_power(pd, false);
}
int rockchip_pmu_pd_on(struct device *dev)
{
struct generic_pm_domain *genpd;
struct rockchip_pm_domain *pd;
if (IS_ERR_OR_NULL(dev))
return -EINVAL;
if (IS_ERR_OR_NULL(dev->pm_domain))
return -EINVAL;
genpd = pd_to_genpd(dev->pm_domain);
pd = to_rockchip_pd(genpd);
return rockchip_pd_power(pd, true);
}
EXPORT_SYMBOL(rockchip_pmu_pd_on);
int rockchip_pmu_pd_off(struct device *dev)
{
struct generic_pm_domain *genpd;
struct rockchip_pm_domain *pd;
if (IS_ERR_OR_NULL(dev))
return -EINVAL;
if (IS_ERR_OR_NULL(dev->pm_domain))
return -EINVAL;
genpd = pd_to_genpd(dev->pm_domain);
pd = to_rockchip_pd(genpd);
return rockchip_pd_power(pd, false);
}
EXPORT_SYMBOL(rockchip_pmu_pd_off);
bool rockchip_pmu_pd_is_on(struct device *dev)
{
struct generic_pm_domain *genpd;
struct rockchip_pm_domain *pd;
bool is_on;
if (IS_ERR_OR_NULL(dev))
return false;
if (IS_ERR_OR_NULL(dev->pm_domain))
return false;
genpd = pd_to_genpd(dev->pm_domain);
pd = to_rockchip_pd(genpd);
rockchip_pmu_lock(pd);
is_on = rockchip_pmu_domain_is_on(pd);
rockchip_pmu_unlock(pd);
return is_on;
}
EXPORT_SYMBOL(rockchip_pmu_pd_is_on);
static int rockchip_pd_attach_dev(struct generic_pm_domain *genpd,
struct device *dev)
{
struct clk *clk;
int i;
int error;
dev_dbg(dev, "attaching to power domain '%s'\n", genpd->name);
error = pm_clk_create(dev);
if (error) {
dev_err(dev, "pm_clk_create failed %d\n", error);
return error;
}
i = 0;
while ((clk = of_clk_get(dev->of_node, i++)) && !IS_ERR(clk)) {
dev_dbg(dev, "adding clock '%pC' to list of PM clocks\n", clk);
error = pm_clk_add_clk(dev, clk);
if (error) {
dev_err(dev, "pm_clk_add_clk failed %d\n", error);
clk_put(clk);
pm_clk_destroy(dev);
return error;
}
}
return 0;
}
static void rockchip_pd_detach_dev(struct generic_pm_domain *genpd,
struct device *dev)
{
dev_dbg(dev, "detaching from power domain '%s'\n", genpd->name);
pm_clk_destroy(dev);
}
static void rockchip_pd_qos_init(struct rockchip_pm_domain *pd)
{
int is_pd_on, ret = 0;
if (!pd->is_qos_need_init) {
kfree(pd->qos_is_need_init[0]);
pd->qos_is_need_init[0] = NULL;
return;
}
is_pd_on = rockchip_pmu_domain_is_on(pd);
if (is_pd_on) {
ret = clk_bulk_enable(pd->num_clks, pd->clks);
if (ret < 0) {
dev_err(pd->pmu->dev, "failed to enable clocks\n");
return;
}
rockchip_pmu_init_qos(pd);
clk_bulk_disable(pd->num_clks, pd->clks);
}
}
static int rockchip_pd_add_alwasy_on_flag(struct rockchip_pm_domain *pd)
{
int error;
if (pd->genpd.flags & GENPD_FLAG_ALWAYS_ON)
return 0;
pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
if (!rockchip_pmu_domain_is_on(pd)) {
error = rockchip_pd_power(pd, true);
if (error) {
dev_err(pd->pmu->dev,
"failed to power on domain '%s': %d\n",
pd->genpd.name, error);
return error;
}
}
return 0;
}
static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu,
struct device_node *node)
{
const struct rockchip_domain_info *pd_info;
struct rockchip_pm_domain *pd;
struct device_node *qos_node;
int num_qos = 0, num_qos_reg = 0;
int i, j;
u32 id, val;
int error;
error = of_property_read_u32(node, "reg", &id);
if (error) {
dev_err(pmu->dev,
"%pOFn: failed to retrieve domain id (reg): %d\n",
node, error);
return -EINVAL;
}
if (id >= pmu->info->num_domains) {
dev_err(pmu->dev, "%pOFn: invalid domain id %d\n",
node, id);
return -EINVAL;
}
if (pmu->genpd_data.domains[id])
return 0;
pd_info = &pmu->info->domain_info[id];
if (!pd_info) {
dev_err(pmu->dev, "%pOFn: undefined domain id %d\n",
node, id);
return -EINVAL;
}
pd = devm_kzalloc(pmu->dev, sizeof(*pd), GFP_KERNEL);
if (!pd)
return -ENOMEM;
pd->info = pd_info;
pd->pmu = pmu;
if (!pd_info->pwr_mask)
pd->is_ignore_pwr = true;
pd->num_clks = of_clk_get_parent_count(node);
if (pd->num_clks > 0) {
pd->clks = devm_kcalloc(pmu->dev, pd->num_clks,
sizeof(*pd->clks), GFP_KERNEL);
if (!pd->clks)
return -ENOMEM;
} else {
dev_dbg(pmu->dev, "%pOFn: doesn't have clocks: %d\n",
node, pd->num_clks);
pd->num_clks = 0;
}
for (i = 0; i < pd->num_clks; i++) {
pd->clks[i].clk = of_clk_get(node, i);
if (IS_ERR(pd->clks[i].clk)) {
error = PTR_ERR(pd->clks[i].clk);
dev_err(pmu->dev,
"%pOFn: failed to get clk at index %d: %d\n",
node, i, error);
return error;
}
}
error = clk_bulk_prepare(pd->num_clks, pd->clks);
if (error)
goto err_put_clocks;
num_qos = of_count_phandle_with_args(node, "pm_qos", NULL);
for (j = 0; j < num_qos; j++) {
qos_node = of_parse_phandle(node, "pm_qos", j);
if (qos_node && of_device_is_available(qos_node))
pd->num_qos++;
of_node_put(qos_node);
}
if (pd->num_qos > 0) {
pd->qos_regmap = devm_kcalloc(pmu->dev, pd->num_qos,
sizeof(*pd->qos_regmap),
GFP_KERNEL);
if (!pd->qos_regmap) {
error = -ENOMEM;
goto err_unprepare_clocks;
}
pd->qos_save_regs[0] = (u32 *)devm_kmalloc(pmu->dev,
sizeof(u32) *
MAX_QOS_REGS_NUM *
pd->num_qos,
GFP_KERNEL);
if (!pd->qos_save_regs[0]) {
error = -ENOMEM;
goto err_unprepare_clocks;
}
pd->qos_is_need_init[0] = kzalloc(sizeof(bool) *
MAX_QOS_REGS_NUM *
pd->num_qos,
GFP_KERNEL);
if (!pd->qos_is_need_init[0]) {
error = -ENOMEM;
goto err_unprepare_clocks;
}
for (i = 1; i < MAX_QOS_REGS_NUM; i++) {
pd->qos_save_regs[i] = pd->qos_save_regs[i - 1] +
num_qos;
pd->qos_is_need_init[i] = pd->qos_is_need_init[i - 1] +
num_qos;
}
for (j = 0; j < num_qos; j++) {
qos_node = of_parse_phandle(node, "pm_qos", j);
if (!qos_node) {
error = -ENODEV;
goto err_unprepare_clocks;
}
if (of_device_is_available(qos_node)) {
pd->qos_regmap[num_qos_reg] =
syscon_node_to_regmap(qos_node);
if (IS_ERR(pd->qos_regmap[num_qos_reg])) {
error = -ENODEV;
of_node_put(qos_node);
goto err_unprepare_clocks;
}
if (!of_property_read_u32(qos_node,
"priority-init",
&val)) {
pd->qos_save_regs[0][j] = val;
pd->qos_is_need_init[0][j] = true;
pd->is_qos_need_init = true;
}
if (!of_property_read_u32(qos_node,
"mode-init",
&val)) {
pd->qos_save_regs[1][j] = val;
pd->qos_is_need_init[1][j] = true;
pd->is_qos_need_init = true;
}
if (!of_property_read_u32(qos_node,
"bandwidth-init",
&val)) {
pd->qos_save_regs[2][j] = val;
pd->qos_is_need_init[2][j] = true;
pd->is_qos_need_init = true;
}
if (!of_property_read_u32(qos_node,
"saturation-init",
&val)) {
pd->qos_save_regs[3][j] = val;
pd->qos_is_need_init[3][j] = true;
pd->is_qos_need_init = true;
}
if (!of_property_read_u32(qos_node,
"extcontrol-init",
&val)) {
pd->qos_save_regs[4][j] = val;
pd->qos_is_need_init[4][j] = true;
pd->is_qos_need_init = true;
}
num_qos_reg++;
}
of_node_put(qos_node);
if (num_qos_reg > pd->num_qos) {
error = -EINVAL;
goto err_unprepare_clocks;
}
}
}
if (pd->info->name)
pd->genpd.name = pd->info->name;
else
pd->genpd.name = kbasename(node->full_name);
pd->genpd.power_off = rockchip_pd_power_off;
pd->genpd.power_on = rockchip_pd_power_on;
pd->genpd.attach_dev = rockchip_pd_attach_dev;
pd->genpd.detach_dev = rockchip_pd_detach_dev;
if (pd_info->active_wakeup)
pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP;
if (pd_info->always_on) {
error = rockchip_pd_add_alwasy_on_flag(pd);
if (error)
goto err_unprepare_clocks;
}
#ifndef MODULE
if (pd_info->keepon_startup) {
error = rockchip_pd_add_alwasy_on_flag(pd);
if (error)
goto err_unprepare_clocks;
}
#endif
rockchip_pd_qos_init(pd);
pm_genpd_init(&pd->genpd, NULL, !rockchip_pmu_domain_is_on(pd));
pmu->genpd_data.domains[id] = &pd->genpd;
return 0;
err_unprepare_clocks:
kfree(pd->qos_is_need_init[0]);
pd->qos_is_need_init[0] = NULL;
clk_bulk_unprepare(pd->num_clks, pd->clks);
err_put_clocks:
clk_bulk_put(pd->num_clks, pd->clks);
return error;
}
static void rockchip_pm_remove_one_domain(struct rockchip_pm_domain *pd)
{
int ret;
/*
* We're in the error cleanup already, so we only complain,
* but won't emit another error on top of the original one.
*/
ret = pm_genpd_remove(&pd->genpd);
if (ret < 0)
dev_err(pd->pmu->dev, "failed to remove domain '%s' : %d - state may be inconsistent\n",
pd->genpd.name, ret);
clk_bulk_unprepare(pd->num_clks, pd->clks);
clk_bulk_put(pd->num_clks, pd->clks);
/* protect the zeroing of pm->num_clks */
rockchip_pmu_lock(pd);
pd->num_clks = 0;
rockchip_pmu_unlock(pd);
/* devm will free our memory */
}
static void rockchip_pm_domain_cleanup(struct rockchip_pmu *pmu)
{
struct generic_pm_domain *genpd;
struct rockchip_pm_domain *pd;
int i;
for (i = 0; i < pmu->genpd_data.num_domains; i++) {
genpd = pmu->genpd_data.domains[i];
if (genpd) {
pd = to_rockchip_pd(genpd);
rockchip_pm_remove_one_domain(pd);
}
}
/* devm will free our memory */
}
static void rockchip_configure_pd_cnt(struct rockchip_pmu *pmu,
u32 domain_reg_offset,
unsigned int count)
{
/* First configure domain power down transition count ... */
regmap_write(pmu->regmap, domain_reg_offset, count);
/* ... and then power up count. */
regmap_write(pmu->regmap, domain_reg_offset + 4, count);
}
static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
struct device_node *parent)
{
struct device_node *np;
struct generic_pm_domain *child_domain, *parent_domain;
struct rockchip_pm_domain *child_pd, *parent_pd;
int error;
for_each_child_of_node(parent, np) {
u32 idx;
error = of_property_read_u32(parent, "reg", &idx);
if (error) {
dev_err(pmu->dev,
"%pOFn: failed to retrieve domain id (reg): %d\n",
parent, error);
goto err_out;
}
parent_domain = pmu->genpd_data.domains[idx];
error = rockchip_pm_add_one_domain(pmu, np);
if (error) {
dev_err(pmu->dev, "failed to handle node %pOFn: %d\n",
np, error);
goto err_out;
}
error = of_property_read_u32(np, "reg", &idx);
if (error) {
dev_err(pmu->dev,
"%pOFn: failed to retrieve domain id (reg): %d\n",
np, error);
goto err_out;
}
child_domain = pmu->genpd_data.domains[idx];
error = pm_genpd_add_subdomain(parent_domain, child_domain);
if (error) {
dev_err(pmu->dev, "%s failed to add subdomain %s: %d\n",
parent_domain->name, child_domain->name, error);
goto err_out;
} else {
dev_dbg(pmu->dev, "%s add subdomain: %s\n",
parent_domain->name, child_domain->name);
}
/*
* If child_pd doesn't do idle request or power on/off,
* parent_pd may fail to do power on/off, so if parent_pd
* need to power on/off, child_pd can't ignore to do idle
* request and power on/off.
*/
child_pd = to_rockchip_pd(child_domain);
parent_pd = to_rockchip_pd(parent_domain);
if (!parent_pd->is_ignore_pwr)
child_pd->is_ignore_pwr = false;
rockchip_pm_add_subdomain(pmu, np);
}
return 0;
err_out:
of_node_put(np);
return error;
}
#ifndef MODULE
static int __init rockchip_pd_keepon_release(void)
{
struct generic_pm_domain *genpd;
struct rockchip_pm_domain *pd;
int i;
if (!g_pmu)
return 0;
for (i = 0; i < g_pmu->genpd_data.num_domains; i++) {
genpd = g_pmu->genpd_data.domains[i];
if (genpd) {
pd = to_rockchip_pd(genpd);
if (pd->info->always_on)
continue;
if (!pd->info->keepon_startup)
continue;
genpd->flags &= (~GENPD_FLAG_ALWAYS_ON);
queue_work(pm_wq, &genpd->power_off_work);
}
}
return 0;
}
late_initcall_sync(rockchip_pd_keepon_release);
#endif
static void __iomem *pd_base;
void rockchip_dump_pmu(void)
{
if (pd_base) {
pr_warn("PMU:\n");
print_hex_dump(KERN_WARNING, "", DUMP_PREFIX_OFFSET,
32, 4, pd_base,
0x100, false);
}
}
EXPORT_SYMBOL_GPL(rockchip_dump_pmu);
static int rockchip_pmu_panic(struct notifier_block *this,
unsigned long ev, void *ptr)
{
rockchip_dump_pmu();
return NOTIFY_DONE;
}
static struct notifier_block pmu_panic_block = {
.notifier_call = rockchip_pmu_panic,
};
static int rockchip_pm_domain_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct device_node *node;
struct device *parent;
struct rockchip_pmu *pmu;
const struct of_device_id *match;
const struct rockchip_pmu_info *pmu_info;
int error;
void __iomem *reg_base;
if (!np) {
dev_err(dev, "device tree node not found\n");
return -ENODEV;
}
match = of_match_device(dev->driver->of_match_table, dev);
if (!match || !match->data) {
dev_err(dev, "missing pmu data\n");
return -EINVAL;
}
pmu_info = match->data;
pmu = devm_kzalloc(dev,
struct_size(pmu, domains, pmu_info->num_domains),
GFP_KERNEL);
if (!pmu)
return -ENOMEM;
pmu->dev = &pdev->dev;
mutex_init(&pmu->mutex);
pmu->info = pmu_info;
pmu->genpd_data.domains = pmu->domains;
pmu->genpd_data.num_domains = pmu_info->num_domains;
parent = dev->parent;
if (!parent) {
dev_err(dev, "no parent for syscon devices\n");
return -ENODEV;
}
pmu->regmap = syscon_node_to_regmap(parent->of_node);
if (IS_ERR(pmu->regmap)) {
dev_err(dev, "no regmap available\n");
return PTR_ERR(pmu->regmap);
}
reg_base = of_iomap(parent->of_node, 0);
if (!reg_base) {
dev_err(dev, "%s: could not map pmu region\n", __func__);
return -ENOMEM;
}
pd_base = reg_base;
/*
* Configure power up and down transition delays for CORE
* and GPU domains.
*/
if (pmu_info->core_power_transition_time)
rockchip_configure_pd_cnt(pmu, pmu_info->core_pwrcnt_offset,
pmu_info->core_power_transition_time);
if (pmu_info->gpu_pwrcnt_offset)
rockchip_configure_pd_cnt(pmu, pmu_info->gpu_pwrcnt_offset,
pmu_info->gpu_power_transition_time);
error = -ENODEV;
for_each_available_child_of_node(np, node) {
error = rockchip_pm_add_one_domain(pmu, node);
if (error) {
dev_err(dev, "failed to handle node %pOFn: %d\n",
node, error);
of_node_put(node);
goto err_out;
}
error = rockchip_pm_add_subdomain(pmu, node);
if (error < 0) {
dev_err(dev, "failed to handle subdomain node %pOFn: %d\n",
node, error);
of_node_put(node);
goto err_out;
}
}
if (error) {
dev_dbg(dev, "no power domains defined\n");
goto err_out;
}
error = of_genpd_add_provider_onecell(np, &pmu->genpd_data);
if (error) {
dev_err(dev, "failed to add provider: %d\n", error);
goto err_out;
}
atomic_notifier_chain_register(&panic_notifier_list,
&pmu_panic_block);
g_pmu = pmu;
return 0;
err_out:
rockchip_pm_domain_cleanup(pmu);
return error;
}
static const struct rockchip_domain_info px30_pm_domains[] = {
[PX30_PD_USB] = DOMAIN_PX30("usb", BIT(5), BIT(5), BIT(10), true),
[PX30_PD_SDCARD] = DOMAIN_PX30("sdcard", BIT(8), BIT(8), BIT(9), false),
[PX30_PD_GMAC] = DOMAIN_PX30("gmac", BIT(10), BIT(10), BIT(6), false),
[PX30_PD_MMC_NAND] = DOMAIN_PX30("mmc_nand", BIT(11), BIT(11), BIT(5), false),
[PX30_PD_VPU] = DOMAIN_PX30("vpu", BIT(12), BIT(12), BIT(14), false),
[PX30_PD_VO] = DOMAIN_PX30_PROTECT("vo", BIT(13), BIT(13), BIT(7), false),
[PX30_PD_VI] = DOMAIN_PX30_PROTECT("vi", BIT(14), BIT(14), BIT(8), false),
[PX30_PD_GPU] = DOMAIN_PX30("gpu", BIT(15), BIT(15), BIT(2), false),
};
static const struct rockchip_domain_info rv1126_pm_domains[] = {
[RV1126_PD_CRYPTO] = DOMAIN_RV1126_O("crypto", BIT(10), BIT(4), BIT(20), 0x4, false),
[RV1126_PD_VEPU] = DOMAIN_RV1126("vepu", BIT(2), BIT(9), BIT(9), false),
[RV1126_PD_VI] = DOMAIN_RV1126("vi", BIT(4), BIT(6), BIT(6), false),
[RV1126_PD_VO] = DOMAIN_RV1126_PROTECT("vo", BIT(5), BIT(7), BIT(7), false),
[RV1126_PD_ISPP] = DOMAIN_RV1126("ispp", BIT(1), BIT(8), BIT(8), false),
[RV1126_PD_VDPU] = DOMAIN_RV1126("vdpu", BIT(3), BIT(10), BIT(10), false),
[RV1126_PD_NVM] = DOMAIN_RV1126("nvm", BIT(7), BIT(11), BIT(11), false),
[RV1126_PD_SDIO] = DOMAIN_RV1126("sdio", BIT(8), BIT(13), BIT(13), false),
[RV1126_PD_USB] = DOMAIN_RV1126("usb", BIT(9), BIT(15), BIT(15), true),
[RV1126_PD_NPU] = DOMAIN_RV1126_O("npu", BIT(0), BIT(2), BIT(18), 0x4, false),
};
static const struct rockchip_domain_info rk1808_pm_domains[] = {
[RK1808_VD_NPU] = DOMAIN_PX30("npu", BIT(15), BIT(15), BIT(2), false),
[RK1808_PD_PCIE] = DOMAIN_PX30("pcie", BIT(9), BIT(9), BIT(4), true),
[RK1808_PD_VPU] = DOMAIN_PX30("vpu", BIT(13), BIT(13), BIT(7), false),
[RK1808_PD_VIO] = DOMAIN_PX30_PROTECT("vio", BIT(14), BIT(14), BIT(8), false),
};
static const struct rockchip_domain_info rk3036_pm_domains[] = {
[RK3036_PD_MSCH] = DOMAIN_RK3036("msch", BIT(14), BIT(23), BIT(30), true),
[RK3036_PD_CORE] = DOMAIN_RK3036("core", BIT(13), BIT(17), BIT(24), false),
[RK3036_PD_PERI] = DOMAIN_RK3036("peri", BIT(12), BIT(18), BIT(25), false),
[RK3036_PD_VIO] = DOMAIN_RK3036("vio", BIT(11), BIT(19), BIT(26), false),
[RK3036_PD_VPU] = DOMAIN_RK3036("vpu", BIT(10), BIT(20), BIT(27), false),
[RK3036_PD_GPU] = DOMAIN_RK3036("gpu", BIT(9), BIT(21), BIT(28), false),
[RK3036_PD_SYS] = DOMAIN_RK3036("sys", BIT(8), BIT(22), BIT(29), false),
};
static const struct rockchip_domain_info rk3066_pm_domains[] = {
[RK3066_PD_GPU] = DOMAIN("gpu", BIT(9), BIT(9), BIT(3), BIT(24), BIT(29), false, false),
[RK3066_PD_VIDEO] = DOMAIN("video", BIT(8), BIT(8), BIT(4), BIT(23), BIT(28), false, false),
[RK3066_PD_VIO] = DOMAIN("vio", BIT(7), BIT(7), BIT(5), BIT(22), BIT(27), false, true),
[RK3066_PD_PERI] = DOMAIN("peri", BIT(6), BIT(6), BIT(2), BIT(25), BIT(30), false, false),
[RK3066_PD_CPU] = DOMAIN("cpu", 0, BIT(5), BIT(1), BIT(26), BIT(31), false, false),
};
static const struct rockchip_domain_info rk3128_pm_domains[] = {
[RK3128_PD_CORE] = DOMAIN_RK3288("core", BIT(0), BIT(0), BIT(4), false),
[RK3128_PD_MSCH] = DOMAIN_RK3288("msch", 0, 0, BIT(6), true),
[RK3128_PD_VIO] = DOMAIN_RK3288_PROTECT("vio", BIT(3), BIT(3), BIT(2), false),
[RK3128_PD_VIDEO] = DOMAIN_RK3288("video", BIT(2), BIT(2), BIT(1), false),
[RK3128_PD_GPU] = DOMAIN_RK3288("gpu", BIT(1), BIT(1), BIT(3), false),
};
static const struct rockchip_domain_info rk3188_pm_domains[] = {
[RK3188_PD_GPU] = DOMAIN("gpu", BIT(9), BIT(9), BIT(3), BIT(24), BIT(29), false, false),
[RK3188_PD_VIDEO] = DOMAIN("video", BIT(8), BIT(8), BIT(4), BIT(23), BIT(28), false, false),
[RK3188_PD_VIO] = DOMAIN("vio", BIT(7), BIT(7), BIT(5), BIT(22), BIT(27), false, true),
[RK3188_PD_PERI] = DOMAIN("peri", BIT(6), BIT(6), BIT(2), BIT(25), BIT(30), false, false),
[RK3188_PD_CPU] = DOMAIN("cpu", BIT(5), BIT(5), BIT(1), BIT(26), BIT(31), false, false),
};
static const struct rockchip_domain_info rk3228_pm_domains[] = {
[RK3228_PD_CORE] = DOMAIN_RK3036("core", BIT(0), BIT(0), BIT(16), true),
[RK3228_PD_MSCH] = DOMAIN_RK3036("msch", BIT(1), BIT(1), BIT(17), true),
[RK3228_PD_BUS] = DOMAIN_RK3036("bus", BIT(2), BIT(2), BIT(18), true),
[RK3228_PD_SYS] = DOMAIN_RK3036("sys", BIT(3), BIT(3), BIT(19), true),
[RK3228_PD_VIO] = DOMAIN_RK3036("vio", BIT(4), BIT(4), BIT(20), false),
[RK3228_PD_VOP] = DOMAIN_RK3036("vop", BIT(5), BIT(5), BIT(21), false),
[RK3228_PD_VPU] = DOMAIN_RK3036("vpu", BIT(6), BIT(6), BIT(22), false),
[RK3228_PD_RKVDEC] = DOMAIN_RK3036("vdec", BIT(7), BIT(7), BIT(23), false),
[RK3228_PD_GPU] = DOMAIN_RK3036("gpu", BIT(8), BIT(8), BIT(24), false),
[RK3228_PD_PERI] = DOMAIN_RK3036("peri", BIT(9), BIT(9), BIT(25), true),
[RK3228_PD_GMAC] = DOMAIN_RK3036("gmac", BIT(10), BIT(10), BIT(26), false),
};
static const struct rockchip_domain_info rk3288_pm_domains[] = {
[RK3288_PD_VIO] = DOMAIN_RK3288_PROTECT("vio", BIT(7), BIT(7), BIT(4), false),
[RK3288_PD_HEVC] = DOMAIN_RK3288("hevc", BIT(14), BIT(10), BIT(9), false),
[RK3288_PD_VIDEO] = DOMAIN_RK3288("video", BIT(8), BIT(8), BIT(3), false),
[RK3288_PD_GPU] = DOMAIN_RK3288("gpu", BIT(9), BIT(9), BIT(2), false),
};
static const struct rockchip_domain_info rk3328_pm_domains[] = {
[RK3328_PD_CORE] = DOMAIN_RK3328("core", 0, BIT(0), BIT(0), false),
[RK3328_PD_GPU] = DOMAIN_RK3328("gpu", 0, BIT(1), BIT(1), false),
[RK3328_PD_BUS] = DOMAIN_RK3328("bus", 0, BIT(2), BIT(2), true),
[RK3328_PD_MSCH] = DOMAIN_RK3328("msch", 0, BIT(3), BIT(3), true),
[RK3328_PD_PERI] = DOMAIN_RK3328("peri", 0, BIT(4), BIT(4), true),
[RK3328_PD_VIDEO] = DOMAIN_RK3328("video", 0, BIT(5), BIT(5), false),
[RK3328_PD_HEVC] = DOMAIN_RK3328("hevc", 0, BIT(6), BIT(6), false),
[RK3328_PD_VIO] = DOMAIN_RK3328("vio", 0, BIT(8), BIT(8), false),
[RK3328_PD_VPU] = DOMAIN_RK3328("vpu", 0, BIT(9), BIT(9), false),
};
static const struct rockchip_domain_info rk3366_pm_domains[] = {
[RK3366_PD_PERI] = DOMAIN_RK3368("peri", BIT(10), BIT(10), BIT(6), true),
[RK3366_PD_VIO] = DOMAIN_RK3368_PROTECT("vio", BIT(14), BIT(14), BIT(8), false),
[RK3366_PD_VIDEO] = DOMAIN_RK3368("video", BIT(13), BIT(13), BIT(7), false),
[RK3366_PD_RKVDEC] = DOMAIN_RK3368("rkvdec", BIT(11), BIT(11), BIT(7), false),
[RK3366_PD_WIFIBT] = DOMAIN_RK3368("wifibt", BIT(8), BIT(8), BIT(9), false),
[RK3366_PD_VPU] = DOMAIN_RK3368("vpu", BIT(12), BIT(12), BIT(7), false),
[RK3366_PD_GPU] = DOMAIN_RK3368("gpu", BIT(15), BIT(15), BIT(2), false),
};
static const struct rockchip_domain_info rk3368_pm_domains[] = {
[RK3368_PD_PERI] = DOMAIN_RK3368("peri", BIT(13), BIT(12), BIT(6), true),
[RK3368_PD_VIO] = DOMAIN_RK3368_PROTECT("vio", BIT(15), BIT(14), BIT(8), false),
[RK3368_PD_VIDEO] = DOMAIN_RK3368("video", BIT(14), BIT(13), BIT(7), false),
[RK3368_PD_GPU_0] = DOMAIN_RK3368("gpu_0", BIT(16), BIT(15), BIT(2), false),
[RK3368_PD_GPU_1] = DOMAIN_RK3368("gpu_1", BIT(17), BIT(16), BIT(2), false),
};
static const struct rockchip_domain_info rk3399_pm_domains[] = {
[RK3399_PD_TCPD0] = DOMAIN_RK3399("tcpd0", BIT(8), BIT(8), 0, false),
[RK3399_PD_TCPD1] = DOMAIN_RK3399("tcpd1", BIT(9), BIT(9), 0, false),
[RK3399_PD_CCI] = DOMAIN_RK3399("cci", BIT(10), BIT(10), 0, true),
[RK3399_PD_CCI0] = DOMAIN_RK3399("cci0", 0, 0, BIT(15), true),
[RK3399_PD_CCI1] = DOMAIN_RK3399("cci1", 0, 0, BIT(16), true),
[RK3399_PD_PERILP] = DOMAIN_RK3399("perilp", BIT(11), BIT(11), BIT(1), true),
[RK3399_PD_PERIHP] = DOMAIN_RK3399("perihp", BIT(12), BIT(12), BIT(2), true),
[RK3399_PD_CENTER] = DOMAIN_RK3399("center", BIT(13), BIT(13), BIT(14), true),
[RK3399_PD_VIO] = DOMAIN_RK3399_PROTECT("vio", BIT(14), BIT(14), BIT(17), false),
[RK3399_PD_GPU] = DOMAIN_RK3399("gpu", BIT(15), BIT(15), BIT(0), false),
[RK3399_PD_VCODEC] = DOMAIN_RK3399("vcodec", BIT(16), BIT(16), BIT(3), false),
[RK3399_PD_VDU] = DOMAIN_RK3399("vdu", BIT(17), BIT(17), BIT(4), false),
[RK3399_PD_RGA] = DOMAIN_RK3399("rga", BIT(18), BIT(18), BIT(5), false),
[RK3399_PD_IEP] = DOMAIN_RK3399("iep", BIT(19), BIT(19), BIT(6), false),
[RK3399_PD_VO] = DOMAIN_RK3399_PROTECT("vo", BIT(20), BIT(20), 0, false),
[RK3399_PD_VOPB] = DOMAIN_RK3399_PROTECT("vopb", 0, 0, BIT(7), false),
[RK3399_PD_VOPL] = DOMAIN_RK3399_PROTECT("vopl", 0, 0, BIT(8), false),
[RK3399_PD_ISP0] = DOMAIN_RK3399("isp0", BIT(22), BIT(22), BIT(9), false),
[RK3399_PD_ISP1] = DOMAIN_RK3399("isp1", BIT(23), BIT(23), BIT(10), false),
[RK3399_PD_HDCP] = DOMAIN_RK3399_PROTECT("hdcp", BIT(24), BIT(24), BIT(11), false),
[RK3399_PD_GMAC] = DOMAIN_RK3399("gmac", BIT(25), BIT(25), BIT(23), true),
[RK3399_PD_EMMC] = DOMAIN_RK3399("emmc", BIT(26), BIT(26), BIT(24), true),
[RK3399_PD_USB3] = DOMAIN_RK3399("usb3", BIT(27), BIT(27), BIT(12), true),
[RK3399_PD_EDP] = DOMAIN_RK3399_PROTECT("edp", BIT(28), BIT(28), BIT(22), false),
[RK3399_PD_GIC] = DOMAIN_RK3399("gic", BIT(29), BIT(29), BIT(27), true),
[RK3399_PD_SD] = DOMAIN_RK3399("sd", BIT(30), BIT(30), BIT(28), true),
[RK3399_PD_SDIOAUDIO] = DOMAIN_RK3399("sdioaudio", BIT(31), BIT(31), BIT(29), true),
};
static const struct rockchip_domain_info rk3568_pm_domains[] = {
[RK3568_PD_NPU] = DOMAIN_RK3568("npu", BIT(1), BIT(2), false),
[RK3568_PD_GPU] = DOMAIN_RK3568("gpu", BIT(0), BIT(1), false),
[RK3568_PD_VI] = DOMAIN_RK3568("vi", BIT(6), BIT(3), false),
[RK3568_PD_VO] = DOMAIN_RK3568_PROTECT("vo", BIT(7), BIT(4), false),
[RK3568_PD_RGA] = DOMAIN_RK3568("rga", BIT(5), BIT(5), false),
[RK3568_PD_VPU] = DOMAIN_RK3568("vpu", BIT(2), BIT(6), false),
[RK3568_PD_RKVDEC] = DOMAIN_RK3568("rkvdec", BIT(4), BIT(8), false),
[RK3568_PD_RKVENC] = DOMAIN_RK3568("rkvenc", BIT(3), BIT(7), false),
[RK3568_PD_PIPE] = DOMAIN_RK3568("pipe", BIT(8), BIT(11), false),
};
static const struct rockchip_domain_info rk3588_pm_domains[] = {
/* name p_offset pwr status m_offset m_status r_status r_offset req idle wakeup */
[RK3588_PD_GPU] = DOMAIN_RK3588("gpu", 0x0, BIT(0), 0, 0x0, 0, BIT(1), 0x0, BIT(0), BIT(0), false),
[RK3588_PD_NPU] = DOMAIN_RK3588("npu", 0x0, BIT(1), BIT(1), 0x0, 0, 0, 0x0, 0, 0, false),
[RK3588_PD_VCODEC] = DOMAIN_RK3588("vcodec", 0x0, BIT(2), BIT(2), 0x0, 0, 0, 0x0, 0, 0, false),
[RK3588_PD_NPUTOP] = DOMAIN_RK3588("nputop", 0x0, BIT(3), 0, 0x0, BIT(11), BIT(2), 0x0, BIT(1), BIT(1), false),
[RK3588_PD_NPU1] = DOMAIN_RK3588("npu1", 0x0, BIT(4), 0, 0x0, BIT(12), BIT(3), 0x0, BIT(2), BIT(2), false),
[RK3588_PD_NPU2] = DOMAIN_RK3588("npu2", 0x0, BIT(5), 0, 0x0, BIT(13), BIT(4), 0x0, BIT(3), BIT(3), false),
[RK3588_PD_VENC0] = DOMAIN_RK3588("venc0", 0x0, BIT(6), 0, 0x0, BIT(14), BIT(5), 0x0, BIT(4), BIT(4), false),
[RK3588_PD_VENC1] = DOMAIN_RK3588("venc1", 0x0, BIT(7), 0, 0x0, BIT(15), BIT(6), 0x0, BIT(5), BIT(5), false),
[RK3588_PD_RKVDEC0] = DOMAIN_RK3588("rkvdec0", 0x0, BIT(8), 0, 0x0, BIT(16), BIT(7), 0x0, BIT(6), BIT(6), false),
[RK3588_PD_RKVDEC1] = DOMAIN_RK3588("rkvdec1", 0x0, BIT(9), 0, 0x0, BIT(17), BIT(8), 0x0, BIT(7), BIT(7), false),
[RK3588_PD_VDPU] = DOMAIN_RK3588("vdpu", 0x0, BIT(10), 0, 0x0, BIT(18), BIT(9), 0x0, BIT(8), BIT(8), false),
[RK3588_PD_RGA30] = DOMAIN_RK3588("rga30", 0x0, BIT(11), 0, 0x0, BIT(19), BIT(10), 0x0, 0, 0, false),
[RK3588_PD_AV1] = DOMAIN_RK3588("av1", 0x0, BIT(12), 0, 0x0, BIT(20), BIT(11), 0x0, BIT(9), BIT(9), false),
[RK3588_PD_VI] = DOMAIN_RK3588("vi", 0x0, BIT(13), 0, 0x0, BIT(21), BIT(12), 0x0, BIT(10), BIT(10), false),
[RK3588_PD_FEC] = DOMAIN_RK3588("fec", 0x0, BIT(14), 0, 0x0, BIT(22), BIT(13), 0x0, 0, 0, false),
[RK3588_PD_ISP1] = DOMAIN_RK3588("isp1", 0x0, BIT(15), 0, 0x0, BIT(23), BIT(14), 0x0, BIT(11), BIT(11), false),
[RK3588_PD_RGA31] = DOMAIN_RK3588("rga31", 0x4, BIT(0), 0, 0x0, BIT(24), BIT(15), 0x0, BIT(12), BIT(12), false),
[RK3588_PD_VOP] = DOMAIN_RK3588_P("vop", 0x4, BIT(1), 0, 0x0, BIT(25), BIT(16), 0x0, BIT(13) | BIT(14), BIT(13) | BIT(14), false),
[RK3588_PD_VO0] = DOMAIN_RK3588_P("vo0", 0x4, BIT(2), 0, 0x0, BIT(26), BIT(17), 0x0, BIT(15), BIT(15), false),
[RK3588_PD_VO1] = DOMAIN_RK3588_P("vo1", 0x4, BIT(3), 0, 0x0, BIT(27), BIT(18), 0x4, BIT(0), BIT(16), false),
[RK3588_PD_AUDIO] = DOMAIN_RK3588("audio", 0x4, BIT(4), 0, 0x0, BIT(28), BIT(19), 0x4, BIT(1), BIT(17), false),
[RK3588_PD_PHP] = DOMAIN_RK3588("php", 0x4, BIT(5), 0, 0x0, BIT(29), BIT(20), 0x4, BIT(5), BIT(21), false),
[RK3588_PD_GMAC] = DOMAIN_RK3588("gmac", 0x4, BIT(6), 0, 0x0, BIT(30), BIT(21), 0x0, 0, 0, false),
[RK3588_PD_PCIE] = DOMAIN_RK3588("pcie", 0x4, BIT(7), 0, 0x0, BIT(31), BIT(22), 0x0, 0, 0, true),
[RK3588_PD_NVM] = DOMAIN_RK3588("nvm", 0x4, BIT(8), BIT(24), 0x4, 0, 0, 0x4, BIT(2), BIT(18), false),
[RK3588_PD_NVM0] = DOMAIN_RK3588("nvm0", 0x4, BIT(9), 0, 0x4, BIT(1), BIT(23), 0x0, 0, 0, false),
[RK3588_PD_SDIO] = DOMAIN_RK3588("sdio", 0x4, BIT(10), 0, 0x4, BIT(2), BIT(24), 0x4, BIT(3), BIT(19), false),
[RK3588_PD_USB] = DOMAIN_RK3588("usb", 0x4, BIT(11), 0, 0x4, BIT(3), BIT(25), 0x4, BIT(4), BIT(20), true),
[RK3588_PD_SDMMC] = DOMAIN_RK3588("sdmmc", 0x4, BIT(13), 0, 0x4, BIT(5), BIT(26), 0x0, 0, 0, false),
};
static const struct rockchip_pmu_info px30_pmu = {
.pwr_offset = 0x18,
.status_offset = 0x20,
.req_offset = 0x64,
.idle_offset = 0x6c,
.ack_offset = 0x6c,
.num_domains = ARRAY_SIZE(px30_pm_domains),
.domain_info = px30_pm_domains,
};
static const struct rockchip_pmu_info rv1126_pmu = {
.pwr_offset = 0x110,
.status_offset = 0x108,
.req_offset = 0xc0,
.idle_offset = 0xd8,
.ack_offset = 0xd0,
.num_domains = ARRAY_SIZE(rv1126_pm_domains),
.domain_info = rv1126_pm_domains,
};
static const struct rockchip_pmu_info rk1808_pmu = {
.pwr_offset = 0x18,
.status_offset = 0x20,
.req_offset = 0x64,
.idle_offset = 0x6c,
.ack_offset = 0x6c,
.num_domains = ARRAY_SIZE(rk1808_pm_domains),
.domain_info = rk1808_pm_domains,
};
static const struct rockchip_pmu_info rk3036_pmu = {
.req_offset = 0x148,
.idle_offset = 0x14c,
.ack_offset = 0x14c,
.num_domains = ARRAY_SIZE(rk3036_pm_domains),
.domain_info = rk3036_pm_domains,
};
static const struct rockchip_pmu_info rk3066_pmu = {
.pwr_offset = 0x08,
.status_offset = 0x0c,
.req_offset = 0x38, /* PMU_MISC_CON1 */
.idle_offset = 0x0c,
.ack_offset = 0x0c,
.num_domains = ARRAY_SIZE(rk3066_pm_domains),
.domain_info = rk3066_pm_domains,
};
static const struct rockchip_pmu_info rk3128_pmu = {
.pwr_offset = 0x04,
.status_offset = 0x08,
.req_offset = 0x0c,
.idle_offset = 0x10,
.ack_offset = 0x10,
.num_domains = ARRAY_SIZE(rk3128_pm_domains),
.domain_info = rk3128_pm_domains,
};
static const struct rockchip_pmu_info rk3188_pmu = {
.pwr_offset = 0x08,
.status_offset = 0x0c,
.req_offset = 0x38, /* PMU_MISC_CON1 */
.idle_offset = 0x0c,
.ack_offset = 0x0c,
.num_domains = ARRAY_SIZE(rk3188_pm_domains),
.domain_info = rk3188_pm_domains,
};
static const struct rockchip_pmu_info rk3228_pmu = {
.req_offset = 0x40c,
.idle_offset = 0x488,
.ack_offset = 0x488,
.num_domains = ARRAY_SIZE(rk3228_pm_domains),
.domain_info = rk3228_pm_domains,
};
static const struct rockchip_pmu_info rk3288_pmu = {
.pwr_offset = 0x08,
.status_offset = 0x0c,
.req_offset = 0x10,
.idle_offset = 0x14,
.ack_offset = 0x14,
.core_pwrcnt_offset = 0x34,
.gpu_pwrcnt_offset = 0x3c,
.core_power_transition_time = 24, /* 1us */
.gpu_power_transition_time = 24, /* 1us */
.num_domains = ARRAY_SIZE(rk3288_pm_domains),
.domain_info = rk3288_pm_domains,
};
static const struct rockchip_pmu_info rk3328_pmu = {
.req_offset = 0x414,
.idle_offset = 0x484,
.ack_offset = 0x484,
.num_domains = ARRAY_SIZE(rk3328_pm_domains),
.domain_info = rk3328_pm_domains,
};
static const struct rockchip_pmu_info rk3366_pmu = {
.pwr_offset = 0x0c,
.status_offset = 0x10,
.req_offset = 0x3c,
.idle_offset = 0x40,
.ack_offset = 0x40,
.core_pwrcnt_offset = 0x48,
.gpu_pwrcnt_offset = 0x50,
.core_power_transition_time = 24,
.gpu_power_transition_time = 24,
.num_domains = ARRAY_SIZE(rk3366_pm_domains),
.domain_info = rk3366_pm_domains,
};
static const struct rockchip_pmu_info rk3368_pmu = {
.pwr_offset = 0x0c,
.status_offset = 0x10,
.req_offset = 0x3c,
.idle_offset = 0x40,
.ack_offset = 0x40,
.core_pwrcnt_offset = 0x48,
.gpu_pwrcnt_offset = 0x50,
.core_power_transition_time = 24,
.gpu_power_transition_time = 24,
.num_domains = ARRAY_SIZE(rk3368_pm_domains),
.domain_info = rk3368_pm_domains,
};
static const struct rockchip_pmu_info rk3399_pmu = {
.pwr_offset = 0x14,
.status_offset = 0x18,
.req_offset = 0x60,
.idle_offset = 0x64,
.ack_offset = 0x68,
/* ARM Trusted Firmware manages power transition times */
.num_domains = ARRAY_SIZE(rk3399_pm_domains),
.domain_info = rk3399_pm_domains,
};
static const struct rockchip_pmu_info rk3568_pmu = {
.pwr_offset = 0xa0,
.status_offset = 0x98,
.req_offset = 0x50,
.idle_offset = 0x68,
.ack_offset = 0x60,
.num_domains = ARRAY_SIZE(rk3568_pm_domains),
.domain_info = rk3568_pm_domains,
};
static const struct rockchip_pmu_info rk3588_pmu = {
.pwr_offset = 0x14c,
.status_offset = 0x180,
.req_offset = 0x10c,
.idle_offset = 0x120,
.ack_offset = 0x118,
.mem_pwr_offset = 0x1a0,
.chain_status_offset = 0x1f0,
.mem_status_offset = 0x1f8,
.repair_status_offset = 0x290,
.num_domains = ARRAY_SIZE(rk3588_pm_domains),
.domain_info = rk3588_pm_domains,
};
static const struct of_device_id rockchip_pm_domain_dt_match[] = {
{
.compatible = "rockchip,px30-power-controller",
.data = (void *)&px30_pmu,
},
{
.compatible = "rockchip,rv1126-power-controller",
.data = (void *)&rv1126_pmu,
},
{
.compatible = "rockchip,rk1808-power-controller",
.data = (void *)&rk1808_pmu,
},
{
.compatible = "rockchip,rk3036-power-controller",
.data = (void *)&rk3036_pmu,
},
{
.compatible = "rockchip,rk3066-power-controller",
.data = (void *)&rk3066_pmu,
},
{
.compatible = "rockchip,rk3128-power-controller",
.data = (void *)&rk3128_pmu,
},
{
.compatible = "rockchip,rk3188-power-controller",
.data = (void *)&rk3188_pmu,
},
{
.compatible = "rockchip,rk3228-power-controller",
.data = (void *)&rk3228_pmu,
},
{
.compatible = "rockchip,rk3288-power-controller",
.data = (void *)&rk3288_pmu,
},
{
.compatible = "rockchip,rk3328-power-controller",
.data = (void *)&rk3328_pmu,
},
{
.compatible = "rockchip,rk3366-power-controller",
.data = (void *)&rk3366_pmu,
},
{
.compatible = "rockchip,rk3368-power-controller",
.data = (void *)&rk3368_pmu,
},
{
.compatible = "rockchip,rk3399-power-controller",
.data = (void *)&rk3399_pmu,
},
{
.compatible = "rockchip,rk3568-power-controller",
.data = (void *)&rk3568_pmu,
},
{
.compatible = "rockchip,rk3588-power-controller",
.data = (void *)&rk3588_pmu,
},
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, rockchip_pm_domain_dt_match);
static struct platform_driver rockchip_pm_domain_driver = {
.probe = rockchip_pm_domain_probe,
.driver = {
.name = "rockchip-pm-domain",
.of_match_table = rockchip_pm_domain_dt_match,
/*
* We can't forcibly eject devices form power domain,
* so we can't really remove power domains once they
* were added.
*/
.suppress_bind_attrs = true,
},
};
static int __init rockchip_pm_domain_drv_register(void)
{
return platform_driver_register(&rockchip_pm_domain_driver);
}
postcore_initcall(rockchip_pm_domain_drv_register);
static void __exit rockchip_pm_domain_drv_unregister(void)
{
platform_driver_unregister(&rockchip_pm_domain_driver);
}
module_exit(rockchip_pm_domain_drv_unregister);
MODULE_DESCRIPTION("ROCKCHIP PM Domain Driver");
MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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