/*
* Copyright 2010 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#ifndef __NOUVEAU_PM_H__
#define __NOUVEAU_PM_H__
#include <subdev/bios/pll.h>
#include <subdev/clock.h>
struct nouveau_pm_voltage_level {
u32 voltage; /* microvolts */
u8 vid;
};
struct nouveau_pm_voltage {
bool supported;
u8 version;
u8 vid_mask;
struct nouveau_pm_voltage_level *level;
int nr_level;
};
/* Exclusive upper limits */
#define NV_MEM_CL_DDR2_MAX 8
#define NV_MEM_WR_DDR2_MAX 9
#define NV_MEM_CL_DDR3_MAX 17
#define NV_MEM_WR_DDR3_MAX 17
#define NV_MEM_CL_GDDR3_MAX 16
#define NV_MEM_WR_GDDR3_MAX 18
#define NV_MEM_CL_GDDR5_MAX 21
#define NV_MEM_WR_GDDR5_MAX 20
struct nouveau_pm_memtiming {
int id;
u32 reg[9];
u32 mr[4];
u8 tCWL;
u8 odt;
u8 drive_strength;
};
struct nouveau_pm_tbl_header {
u8 version;
u8 header_len;
u8 entry_cnt;
u8 entry_len;
};
struct nouveau_pm_tbl_entry {
u8 tWR;
u8 tWTR;
u8 tCL;
u8 tRC;
u8 empty_4;
u8 tRFC; /* Byte 5 */
u8 empty_6;
u8 tRAS; /* Byte 7 */
u8 empty_8;
u8 tRP; /* Byte 9 */
u8 tRCDRD;
u8 tRCDWR;
u8 tRRD;
u8 tUNK_13;
u8 RAM_FT1; /* 14, a bitmask of random RAM features */
u8 empty_15;
u8 tUNK_16;
u8 empty_17;
u8 tUNK_18;
u8 tCWL;
u8 tUNK_20, tUNK_21;
};
struct nouveau_pm_profile;
struct nouveau_pm_profile_func {
void (*destroy)(struct nouveau_pm_profile *);
void (*init)(struct nouveau_pm_profile *);
void (*fini)(struct nouveau_pm_profile *);
struct nouveau_pm_level *(*select)(struct nouveau_pm_profile *);
};
struct nouveau_pm_profile {
const struct nouveau_pm_profile_func *func;
struct list_head head;
char name[8];
};
#define NOUVEAU_PM_MAX_LEVEL 8
struct nouveau_pm_level {
struct nouveau_pm_profile profile;
struct device_attribute dev_attr;
char name[32];
int id;
struct nouveau_pm_memtiming timing;
u32 memory;
u16 memscript;
u32 core;
u32 shader;
u32 rop;
u32 copy;
u32 daemon;
u32 vdec;
u32 dom6;
u32 unka0; /* nva3:nvc0 */
u32 hub01; /* nvc0- */
u32 hub06; /* nvc0- */
u32 hub07; /* nvc0- */
u32 volt_min; /* microvolts */
u32 volt_max;
u8 fanspeed;
};
struct nouveau_pm_temp_sensor_constants {
u16 offset_constant;
s16 offset_mult;
s16 offset_div;
s16 slope_mult;
s16 slope_div;
};
struct nouveau_pm_threshold_temp {
s16 critical;
s16 down_clock;
};
struct nouveau_pm {
struct drm_device *dev;
struct nouveau_pm_voltage voltage;
struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
int nr_perflvl;
struct nouveau_pm_temp_sensor_constants sensor_constants;
struct nouveau_pm_threshold_temp threshold_temp;
struct nouveau_pm_profile *profile_ac;
struct nouveau_pm_profile *profile_dc;
struct nouveau_pm_profile *profile;
struct list_head profiles;
struct nouveau_pm_level boot;
struct nouveau_pm_level *cur;
struct device *hwmon;
struct notifier_block acpi_nb;
int (*clocks_get)(struct drm_device *, struct nouveau_pm_level *);
void *(*clocks_pre)(struct drm_device *, struct nouveau_pm_level *);
int (*clocks_set)(struct drm_device *, void *);
int (*voltage_get)(struct drm_device *);
int (*voltage_set)(struct drm_device *, int voltage);
};
static inline struct nouveau_pm *
nouveau_pm(struct drm_device *dev)
{
return nouveau_drm(dev)->pm;
}
struct nouveau_mem_exec_func {
struct drm_device *dev;
void (*precharge)(struct nouveau_mem_exec_func *);
void (*refresh)(struct nouveau_mem_exec_func *);
void (*refresh_auto)(struct nouveau_mem_exec_func *, bool);
void (*refresh_self)(struct nouveau_mem_exec_func *, bool);
void (*wait)(struct nouveau_mem_exec_func *, u32 nsec);
u32 (*mrg)(struct nouveau_mem_exec_func *, int mr);
void (*mrs)(struct nouveau_mem_exec_func *, int mr, u32 data);
void (*clock_set)(struct nouveau_mem_exec_func *);
void (*timing_set)(struct nouveau_mem_exec_func *);
void *priv;
};
/* nouveau_mem.c */
int nouveau_mem_exec(struct nouveau_mem_exec_func *,
struct nouveau_pm_level *);
/* nouveau_pm.c */
int nouveau_pm_init(struct drm_device *dev);
void nouveau_pm_fini(struct drm_device *dev);
void nouveau_pm_resume(struct drm_device *dev);
extern const struct nouveau_pm_profile_func nouveau_pm_static_profile_func;
void nouveau_pm_trigger(struct drm_device *dev);
/* nouveau_volt.c */
void nouveau_volt_init(struct drm_device *);
void nouveau_volt_fini(struct drm_device *);
int nouveau_volt_vid_lookup(struct drm_device *, int voltage);
int nouveau_volt_lvl_lookup(struct drm_device *, int vid);
int nouveau_voltage_gpio_get(struct drm_device *);
int nouveau_voltage_gpio_set(struct drm_device *, int voltage);
/* nouveau_perf.c */
void nouveau_perf_init(struct drm_device *);
void nouveau_perf_fini(struct drm_device *);
u8 *nouveau_perf_rammap(struct drm_device *, u32 freq, u8 *ver,
u8 *hdr, u8 *cnt, u8 *len);
u8 *nouveau_perf_ramcfg(struct drm_device *, u32 freq, u8 *ver, u8 *len);
u8 *nouveau_perf_timing(struct drm_device *, u32 freq, u8 *ver, u8 *len);
/* nouveau_mem.c */
void nouveau_mem_timing_init(struct drm_device *);
void nouveau_mem_timing_fini(struct drm_device *);
/* nv04_pm.c */
int nv04_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
void *nv04_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
int nv04_pm_clocks_set(struct drm_device *, void *);
/* nv40_pm.c */
int nv40_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
void *nv40_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
int nv40_pm_clocks_set(struct drm_device *, void *);
int nv40_pm_pwm_get(struct drm_device *, int, u32 *, u32 *);
int nv40_pm_pwm_set(struct drm_device *, int, u32, u32);
/* nv50_pm.c */
int nv50_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
void *nv50_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
int nv50_pm_clocks_set(struct drm_device *, void *);
int nv50_pm_pwm_get(struct drm_device *, int, u32 *, u32 *);
int nv50_pm_pwm_set(struct drm_device *, int, u32, u32);
/* nva3_pm.c */
int nva3_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
void *nva3_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
int nva3_pm_clocks_set(struct drm_device *, void *);
/* nvc0_pm.c */
int nvc0_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
void *nvc0_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
int nvc0_pm_clocks_set(struct drm_device *, void *);
/* nouveau_mem.c */
int nouveau_mem_timing_calc(struct drm_device *, u32 freq,
struct nouveau_pm_memtiming *);
void nouveau_mem_timing_read(struct drm_device *,
struct nouveau_pm_memtiming *);
static inline int
nva3_calc_pll(struct drm_device *dev, struct nvbios_pll *pll, u32 freq,
int *N, int *fN, int *M, int *P)
{
struct nouveau_device *device = nouveau_dev(dev);
struct nouveau_clock *clk = nouveau_clock(device);
struct nouveau_pll_vals pv;
int ret;
ret = clk->pll_calc(clk, pll, freq, &pv);
*N = pv.N1;
*M = pv.M1;
*P = pv.log2P;
return ret;
}
#endif