*
* Authors: Ben Skeggs
*/
-#include <subdev/clk.h>
+#include "priv.h"
+
#include <subdev/bios.h>
#include <subdev/bios/boost.h>
#include <subdev/bios/cstep.h>
#include <subdev/therm.h>
#include <subdev/volt.h>
-#include <core/device.h>
#include <core/option.h>
/******************************************************************************
nvkm_clk_adjust(struct nvkm_clk *clk, bool adjust,
u8 pstate, u8 domain, u32 input)
{
- struct nvkm_bios *bios = nvkm_bios(clk);
+ struct nvkm_bios *bios = clk->subdev.device->bios;
struct nvbios_boostE boostE;
u8 ver, hdr, cnt, len;
u16 data;
static int
nvkm_cstate_prog(struct nvkm_clk *clk, struct nvkm_pstate *pstate, int cstatei)
{
- struct nvkm_therm *ptherm = nvkm_therm(clk);
- struct nvkm_volt *volt = nvkm_volt(clk);
+ struct nvkm_subdev *subdev = &clk->subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_therm *therm = device->therm;
+ struct nvkm_volt *volt = device->volt;
struct nvkm_cstate *cstate;
int ret;
cstate = &pstate->base;
}
- if (ptherm) {
- ret = nvkm_therm_cstate(ptherm, pstate->fanspeed, +1);
+ if (therm) {
+ ret = nvkm_therm_cstate(therm, pstate->fanspeed, +1);
if (ret && ret != -ENODEV) {
- nv_error(clk, "failed to raise fan speed: %d\n", ret);
+ nvkm_error(subdev, "failed to raise fan speed: %d\n", ret);
return ret;
}
}
if (volt) {
- ret = volt->set_id(volt, cstate->voltage, +1);
+ ret = nvkm_volt_set_id(volt, cstate->voltage, +1);
if (ret && ret != -ENODEV) {
- nv_error(clk, "failed to raise voltage: %d\n", ret);
+ nvkm_error(subdev, "failed to raise voltage: %d\n", ret);
return ret;
}
}
- ret = clk->calc(clk, cstate);
+ ret = clk->func->calc(clk, cstate);
if (ret == 0) {
- ret = clk->prog(clk);
- clk->tidy(clk);
+ ret = clk->func->prog(clk);
+ clk->func->tidy(clk);
}
if (volt) {
- ret = volt->set_id(volt, cstate->voltage, -1);
+ ret = nvkm_volt_set_id(volt, cstate->voltage, -1);
if (ret && ret != -ENODEV)
- nv_error(clk, "failed to lower voltage: %d\n", ret);
+ nvkm_error(subdev, "failed to lower voltage: %d\n", ret);
}
- if (ptherm) {
- ret = nvkm_therm_cstate(ptherm, pstate->fanspeed, -1);
+ if (therm) {
+ ret = nvkm_therm_cstate(therm, pstate->fanspeed, -1);
if (ret && ret != -ENODEV)
- nv_error(clk, "failed to lower fan speed: %d\n", ret);
+ nvkm_error(subdev, "failed to lower fan speed: %d\n", ret);
}
- return 0;
+ return ret;
}
static void
static int
nvkm_cstate_new(struct nvkm_clk *clk, int idx, struct nvkm_pstate *pstate)
{
- struct nvkm_bios *bios = nvkm_bios(clk);
- struct nvkm_domain *domain = clk->domains;
+ struct nvkm_bios *bios = clk->subdev.device->bios;
+ const struct nvkm_domain *domain = clk->domains;
struct nvkm_cstate *cstate = NULL;
struct nvbios_cstepX cstepX;
u8 ver, hdr;
static int
nvkm_pstate_prog(struct nvkm_clk *clk, int pstatei)
{
- struct nvkm_fb *pfb = nvkm_fb(clk);
+ struct nvkm_subdev *subdev = &clk->subdev;
+ struct nvkm_ram *ram = subdev->device->fb->ram;
struct nvkm_pstate *pstate;
int ret, idx = 0;
break;
}
- nv_debug(clk, "setting performance state %d\n", pstatei);
+ nvkm_debug(subdev, "setting performance state %d\n", pstatei);
clk->pstate = pstatei;
- if (pfb->ram && pfb->ram->calc) {
+ if (ram && ram->func->calc) {
int khz = pstate->base.domain[nv_clk_src_mem];
do {
- ret = pfb->ram->calc(pfb, khz);
+ ret = ram->func->calc(ram, khz);
if (ret == 0)
- ret = pfb->ram->prog(pfb);
+ ret = ram->func->prog(ram);
} while (ret > 0);
- pfb->ram->tidy(pfb);
+ ram->func->tidy(ram);
}
return nvkm_cstate_prog(clk, pstate, 0);
nvkm_pstate_work(struct work_struct *work)
{
struct nvkm_clk *clk = container_of(work, typeof(*clk), work);
+ struct nvkm_subdev *subdev = &clk->subdev;
int pstate;
if (!atomic_xchg(&clk->waiting, 0))
return;
clk->pwrsrc = power_supply_is_system_supplied();
- nv_trace(clk, "P %d PWR %d U(AC) %d U(DC) %d A %d T %d D %d\n",
- clk->pstate, clk->pwrsrc, clk->ustate_ac, clk->ustate_dc,
- clk->astate, clk->tstate, clk->dstate);
+ nvkm_trace(subdev, "P %d PWR %d U(AC) %d U(DC) %d A %d T %d D %d\n",
+ clk->pstate, clk->pwrsrc, clk->ustate_ac, clk->ustate_dc,
+ clk->astate, clk->tstate, clk->dstate);
pstate = clk->pwrsrc ? clk->ustate_ac : clk->ustate_dc;
if (clk->state_nr && pstate != -1) {
pstate = (pstate < 0) ? clk->astate : pstate;
- pstate = min(pstate, clk->state_nr - 1 - clk->tstate);
+ pstate = min(pstate, clk->state_nr - 1 + clk->tstate);
pstate = max(pstate, clk->dstate);
} else {
pstate = clk->pstate = -1;
}
- nv_trace(clk, "-> %d\n", pstate);
+ nvkm_trace(subdev, "-> %d\n", pstate);
if (pstate != clk->pstate) {
int ret = nvkm_pstate_prog(clk, pstate);
if (ret) {
- nv_error(clk, "error setting pstate %d: %d\n",
- pstate, ret);
+ nvkm_error(subdev, "error setting pstate %d: %d\n",
+ pstate, ret);
}
}
static void
nvkm_pstate_info(struct nvkm_clk *clk, struct nvkm_pstate *pstate)
{
- struct nvkm_domain *clock = clk->domains - 1;
+ const struct nvkm_domain *clock = clk->domains - 1;
struct nvkm_cstate *cstate;
+ struct nvkm_subdev *subdev = &clk->subdev;
char info[3][32] = { "", "", "" };
char name[4] = "--";
int i = -1;
if (hi == 0)
continue;
- nv_debug(clk, "%02x: %10d KHz\n", clock->name, lo);
+ nvkm_debug(subdev, "%02x: %10d KHz\n", clock->name, lo);
list_for_each_entry(cstate, &pstate->list, head) {
u32 freq = cstate->domain[clock->name];
lo = min(lo, freq);
hi = max(hi, freq);
- nv_debug(clk, "%10d KHz\n", freq);
+ nvkm_debug(subdev, "%10d KHz\n", freq);
}
if (clock->mname && ++i < ARRAY_SIZE(info)) {
}
}
- nv_info(clk, "%s: %s %s %s\n", name, info[0], info[1], info[2]);
+ nvkm_debug(subdev, "%s: %s %s %s\n", name, info[0], info[1], info[2]);
}
static void
static int
nvkm_pstate_new(struct nvkm_clk *clk, int idx)
{
- struct nvkm_bios *bios = nvkm_bios(clk);
- struct nvkm_domain *domain = clk->domains - 1;
+ struct nvkm_bios *bios = clk->subdev.device->bios;
+ const struct nvkm_domain *domain = clk->domains - 1;
struct nvkm_pstate *pstate;
struct nvkm_cstate *cstate;
struct nvbios_cstepE cstepE;
*****************************************************************************/
int
-_nvkm_clk_fini(struct nvkm_object *object, bool suspend)
+nvkm_clk_read(struct nvkm_clk *clk, enum nv_clk_src src)
+{
+ return clk->func->read(clk, src);
+}
+
+static int
+nvkm_clk_fini(struct nvkm_subdev *subdev, bool suspend)
{
- struct nvkm_clk *clk = (void *)object;
+ struct nvkm_clk *clk = nvkm_clk(subdev);
nvkm_notify_put(&clk->pwrsrc_ntfy);
- return nvkm_subdev_fini(&clk->base, suspend);
+ flush_work(&clk->work);
+ if (clk->func->fini)
+ clk->func->fini(clk);
+ return 0;
}
-int
-_nvkm_clk_init(struct nvkm_object *object)
+static int
+nvkm_clk_init(struct nvkm_subdev *subdev)
{
- struct nvkm_clk *clk = (void *)object;
- struct nvkm_domain *clock = clk->domains;
+ struct nvkm_clk *clk = nvkm_clk(subdev);
+ const struct nvkm_domain *clock = clk->domains;
int ret;
- ret = nvkm_subdev_init(&clk->base);
- if (ret)
- return ret;
-
memset(&clk->bstate, 0x00, sizeof(clk->bstate));
INIT_LIST_HEAD(&clk->bstate.list);
clk->bstate.pstate = 0xff;
while (clock->name != nv_clk_src_max) {
- ret = clk->read(clk, clock->name);
+ ret = nvkm_clk_read(clk, clock->name);
if (ret < 0) {
- nv_error(clk, "%02x freq unknown\n", clock->name);
+ nvkm_error(subdev, "%02x freq unknown\n", clock->name);
return ret;
}
clk->bstate.base.domain[clock->name] = ret;
nvkm_pstate_info(clk, &clk->bstate);
+ if (clk->func->init)
+ return clk->func->init(clk);
+
clk->astate = clk->state_nr - 1;
clk->tstate = 0;
clk->dstate = 0;
return 0;
}
-void
-_nvkm_clk_dtor(struct nvkm_object *object)
+static void *
+nvkm_clk_dtor(struct nvkm_subdev *subdev)
{
- struct nvkm_clk *clk = (void *)object;
+ struct nvkm_clk *clk = nvkm_clk(subdev);
struct nvkm_pstate *pstate, *temp;
nvkm_notify_fini(&clk->pwrsrc_ntfy);
+ /* Early return if the pstates have been provided statically */
+ if (clk->func->pstates)
+ return clk;
+
list_for_each_entry_safe(pstate, temp, &clk->states, head) {
nvkm_pstate_del(pstate);
}
- nvkm_subdev_destroy(&clk->base);
+ return clk;
}
+static const struct nvkm_subdev_func
+nvkm_clk = {
+ .dtor = nvkm_clk_dtor,
+ .init = nvkm_clk_init,
+ .fini = nvkm_clk_fini,
+};
+
int
-nvkm_clk_create_(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, struct nvkm_domain *clocks,
- struct nvkm_pstate *pstates, int nb_pstates,
- bool allow_reclock, int length, void **object)
+nvkm_clk_ctor(const struct nvkm_clk_func *func, struct nvkm_device *device,
+ int index, bool allow_reclock, struct nvkm_clk *clk)
{
- struct nvkm_device *device = nv_device(parent);
- struct nvkm_clk *clk;
int ret, idx, arglen;
const char *mode;
- ret = nvkm_subdev_create_(parent, engine, oclass, 0, "CLK",
- "clock", length, object);
- clk = *object;
- if (ret)
- return ret;
-
+ nvkm_subdev_ctor(&nvkm_clk, device, index, 0, &clk->subdev);
+ clk->func = func;
INIT_LIST_HEAD(&clk->states);
- clk->domains = clocks;
+ clk->domains = func->domains;
clk->ustate_ac = -1;
clk->ustate_dc = -1;
+ clk->allow_reclock = allow_reclock;
INIT_WORK(&clk->work, nvkm_pstate_work);
init_waitqueue_head(&clk->wait);
atomic_set(&clk->waiting, 0);
/* If no pstates are provided, try and fetch them from the BIOS */
- if (!pstates) {
+ if (!func->pstates) {
idx = 0;
do {
ret = nvkm_pstate_new(clk, idx++);
} while (ret == 0);
} else {
- for (idx = 0; idx < nb_pstates; idx++)
- list_add_tail(&pstates[idx].head, &clk->states);
- clk->state_nr = nb_pstates;
+ for (idx = 0; idx < func->nr_pstates; idx++)
+ list_add_tail(&func->pstates[idx].head, &clk->states);
+ clk->state_nr = func->nr_pstates;
}
- clk->allow_reclock = allow_reclock;
-
ret = nvkm_notify_init(NULL, &device->event, nvkm_clk_pwrsrc, true,
NULL, 0, 0, &clk->pwrsrc_ntfy);
if (ret)
return 0;
}
+
+int
+nvkm_clk_new_(const struct nvkm_clk_func *func, struct nvkm_device *device,
+ int index, bool allow_reclock, struct nvkm_clk **pclk)
+{
+ if (!(*pclk = kzalloc(sizeof(**pclk), GFP_KERNEL)))
+ return -ENOMEM;
+ return nvkm_clk_ctor(func, device, index, allow_reclock, *pclk);
+}
Code Review / kvmfornfv.git / blobdiff