/*
* drivers/video/tegra/host/gk20a/pmu_gk20a.h
*
* GK20A PMU (aka. gPMU outside gk20a context)
*
* Copyright (c) 2011-2014, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __PMU_GK20A_H__
#define __PMU_GK20A_H__
/* defined by pmu hw spec */
#define GK20A_PMU_VA_START ((128 * 1024) << 10)
#define GK20A_PMU_VA_SIZE (512 * 1024 * 1024)
#define GK20A_PMU_INST_SIZE (4 * 1024)
#define GK20A_PMU_UCODE_SIZE_MAX (256 * 1024)
#define GK20A_PMU_SEQ_BUF_SIZE 4096
#define ZBC_MASK(i) (~(~(0) << ((i)+1)) & 0xfffe)
/* PMU Command/Message Interfaces for Adaptive Power */
/* Macro to get Histogram index */
#define PMU_AP_HISTOGRAM(idx) (idx)
#define PMU_AP_HISTOGRAM_CONT (4)
/* Total number of histogram bins */
#define PMU_AP_CFG_HISTOGRAM_BIN_N (16)
/* Mapping between Idle counters and histograms */
#define PMU_AP_IDLE_MASK_HIST_IDX_0 (2)
#define PMU_AP_IDLE_MASK_HIST_IDX_1 (3)
#define PMU_AP_IDLE_MASK_HIST_IDX_2 (5)
#define PMU_AP_IDLE_MASK_HIST_IDX_3 (6)
/* Mapping between AP_CTRLs and Histograms */
#define PMU_AP_HISTOGRAM_IDX_GRAPHICS (PMU_AP_HISTOGRAM(1))
/* Mapping between AP_CTRLs and Idle counters */
#define PMU_AP_IDLE_MASK_GRAPHICS (PMU_AP_IDLE_MASK_HIST_IDX_1)
#define APP_VERSION_GM20B_3 18935575
#define APP_VERSION_GM20B_2 18694072
#define APP_VERSION_GM20B_1 18547257
#define APP_VERSION_GM20B 17615280
#define APP_VERSION_2 18542378
#define APP_VERSION_1 17997577
#define APP_VERSION_0 16856675
enum pmu_perfmon_cmd_start_fields {
COUNTER_ALLOC
};
/* Adaptive Power Controls (AP_CTRL) */
enum {
PMU_AP_CTRL_ID_GRAPHICS = 0x0,
/* PMU_AP_CTRL_ID_MS ,*/
PMU_AP_CTRL_ID_MAX ,
};
/* AP_CTRL Statistics */
struct pmu_ap_ctrl_stat {
/*
* Represents whether AP is active or not
* TODO: This is NvBool in RM; is that 1 byte of 4 bytes?
*/
u8 b_active;
/* Idle filter represented by histogram bin index */
u8 idle_filter_x;
u8 rsvd[2];
/* Total predicted power saving cycles. */
s32 power_saving_h_cycles;
/* Counts how many times AP gave us -ve power benefits. */
u32 bad_decision_count;
/*
* Number of times ap structure needs to skip AP iterations
* KICK_CTRL from kernel updates this parameter.
*/
u32 skip_count;
u8 bin[PMU_AP_CFG_HISTOGRAM_BIN_N];
};
/* Parameters initialized by INITn APCTRL command */
struct pmu_ap_ctrl_init_params {
/* Minimum idle filter value in Us */
u32 min_idle_filter_us;
/*
* Minimum Targeted Saving in Us. AP will update idle thresholds only
* if power saving achieved by updating idle thresholds is greater than
* Minimum targeted saving.
*/
u32 min_target_saving_us;
/* Minimum targeted residency of power feature in Us */
u32 power_break_even_us;
/*
* Maximum number of allowed power feature cycles per sample.
*
* We are allowing at max "pgPerSampleMax" cycles in one iteration of AP
* AKA pgPerSampleMax in original algorithm.
*/
u32 cycles_per_sample_max;
};
/* AP Commands/Message structures */
/*
* Structure for Generic AP Commands
*/
struct pmu_ap_cmd_common {
u8 cmd_type;
u16 cmd_id;
};
/*
* Structure for INIT AP command
*/
struct pmu_ap_cmd_init {
u8 cmd_type;
u16 cmd_id;
u8 rsvd;
u32 pg_sampling_period_us;
};
/*
* Structure for Enable/Disable ApCtrl Commands
*/
struct pmu_ap_cmd_enable_ctrl {
u8 cmd_type;
u16 cmd_id;
u8 ctrl_id;
};
struct pmu_ap_cmd_disable_ctrl {
u8 cmd_type;
u16 cmd_id;
u8 ctrl_id;
};
/*
* Structure for INIT command
*/
struct pmu_ap_cmd_init_ctrl {
u8 cmd_type;
u16 cmd_id;
u8 ctrl_id;
struct pmu_ap_ctrl_init_params params;
};
struct pmu_ap_cmd_init_and_enable_ctrl {
u8 cmd_type;
u16 cmd_id;
u8 ctrl_id;
struct pmu_ap_ctrl_init_params params;
};
/*
* Structure for KICK_CTRL command
*/
struct pmu_ap_cmd_kick_ctrl {
u8 cmd_type;
u16 cmd_id;
u8 ctrl_id;
u32 skip_count;
};
/*
* Structure for PARAM command
*/
struct pmu_ap_cmd_param {
u8 cmd_type;
u16 cmd_id;
u8 ctrl_id;
u32 data;
};
/*
* Defines for AP commands
*/
enum {
PMU_AP_CMD_ID_INIT = 0x0 ,
PMU_AP_CMD_ID_INIT_AND_ENABLE_CTRL,
PMU_AP_CMD_ID_ENABLE_CTRL ,
PMU_AP_CMD_ID_DISABLE_CTRL ,
PMU_AP_CMD_ID_KICK_CTRL ,
};
/*
* AP Command
*/
union pmu_ap_cmd {
u8 cmd_type;
struct pmu_ap_cmd_common cmn;
struct pmu_ap_cmd_init init;
struct pmu_ap_cmd_init_and_enable_ctrl init_and_enable_ctrl;
struct pmu_ap_cmd_enable_ctrl enable_ctrl;
struct pmu_ap_cmd_disable_ctrl disable_ctrl;
struct pmu_ap_cmd_kick_ctrl kick_ctrl;
};
/*
* Structure for generic AP Message
*/
struct pmu_ap_msg_common {
u8 msg_type;
u16 msg_id;
};
/*
* Structure for INIT_ACK Message
*/
struct pmu_ap_msg_init_ack {
u8 msg_type;
u16 msg_id;
u8 ctrl_id;
u32 stats_dmem_offset;
};
/*
* Defines for AP messages
*/
enum {
PMU_AP_MSG_ID_INIT_ACK = 0x0,
};
/*
* AP Message
*/
union pmu_ap_msg {
u8 msg_type;
struct pmu_ap_msg_common cmn;
struct pmu_ap_msg_init_ack init_ack;
};
/* Default Sampling Period of AELPG */
#define APCTRL_SAMPLING_PERIOD_PG_DEFAULT_US (1000000)
/* Default values of APCTRL parameters */
#define APCTRL_MINIMUM_IDLE_FILTER_DEFAULT_US (100)
#define APCTRL_MINIMUM_TARGET_SAVING_DEFAULT_US (10000)
#define APCTRL_POWER_BREAKEVEN_DEFAULT_US (2000)
#define APCTRL_CYCLES_PER_SAMPLE_MAX_DEFAULT (200)
/*
* Disable reason for Adaptive Power Controller
*/
enum {
APCTRL_DISABLE_REASON_RM_UNLOAD,
APCTRL_DISABLE_REASON_RMCTRL,
};
/*
* Adaptive Power Controller
*/
struct ap_ctrl {
u32 stats_dmem_offset;
u32 disable_reason_mask;
struct pmu_ap_ctrl_stat stat_cache;
u8 b_ready;
};
/*
* Adaptive Power structure
*
* ap structure provides generic infrastructure to make any power feature
* adaptive.
*/
struct pmu_ap {
u32 supported_mask;
struct ap_ctrl ap_ctrl[PMU_AP_CTRL_ID_MAX];
};
enum {
GK20A_PMU_DMAIDX_UCODE = 0,
GK20A_PMU_DMAIDX_VIRT = 1,
GK20A_PMU_DMAIDX_PHYS_VID = 2,
GK20A_PMU_DMAIDX_PHYS_SYS_COH = 3,
GK20A_PMU_DMAIDX_PHYS_SYS_NCOH = 4,
GK20A_PMU_DMAIDX_RSVD = 5,
GK20A_PMU_DMAIDX_PELPG = 6,
GK20A_PMU_DMAIDX_END = 7
};
struct pmu_mem_v0 {
u32 dma_base;
u8 dma_offset;
u8 dma_idx;
};
struct pmu_mem_v1 {
u32 dma_base;
u8 dma_offset;
u8 dma_idx;
u16 fb_size;
};
struct pmu_dmem {
u16 size;
u32 offset;
};
/* Make sure size of this structure is a multiple of 4 bytes */
struct pmu_cmdline_args_v0 {
u32 cpu_freq_hz; /* Frequency of the clock driving PMU */
u32 falc_trace_size; /* falctrace buffer size (bytes) */
u32 falc_trace_dma_base; /* 256-byte block address */
u32 falc_trace_dma_idx; /* dmaIdx for DMA operations */
struct pmu_mem_v0 gc6_ctx; /* dmem offset of gc6 context */
};
struct pmu_cmdline_args_v1 {
u32 cpu_freq_hz; /* Frequency of the clock driving PMU */
u32 falc_trace_size; /* falctrace buffer size (bytes) */
u32 falc_trace_dma_base; /* 256-byte block address */
u32 falc_trace_dma_idx; /* dmaIdx for DMA operations */
u8 secure_mode;
struct pmu_mem_v1 gc6_ctx; /* dmem offset of gc6 context */
};
struct pmu_cmdline_args_v2 {
u32 cpu_freq_hz; /* Frequency of the clock driving PMU */
u32 falc_trace_size; /* falctrace buffer size (bytes) */
u32 falc_trace_dma_base; /* 256-byte block address */
u32 falc_trace_dma_idx; /* dmaIdx for DMA operations */
u8 secure_mode;
u8 raise_priv_sec; /*Raise priv level required for desired
registers*/
struct pmu_mem_v1 gc6_ctx; /* dmem offset of gc6 context */
};
#define GK20A_PMU_TRACE_BUFSIZE 0x4000 /* 4K */
#define GK20A_PMU_DMEM_BLKSIZE2 8
#define GK20A_PMU_UCODE_NB_MAX_OVERLAY 32
#define GK20A_PMU_UCODE_NB_MAX_DATE_LENGTH 64
struct pmu_ucode_desc {
u32 descriptor_size;
u32 image_size;
u32 tools_version;
u32 app_version;
char date[GK20A_PMU_UCODE_NB_MAX_DATE_LENGTH];
u32 bootloader_start_offset;
u32 bootloader_size;
u32 bootloader_imem_offset;
u32 bootloader_entry_point;
u32 app_start_offset;
u32 app_size;
u32 app_imem_offset;
u32 app_imem_entry;
u32 app_dmem_offset;
u32 app_resident_code_offset; /* Offset from appStartOffset */
u32 app_resident_code_size; /* Exact size of the resident code ( potentially contains CRC inside at the end ) */
u32 app_resident_data_offset; /* Offset from appStartOffset */
u32 app_resident_data_size; /* Exact size of the resident code ( potentially contains CRC inside at the end ) */
u32 nb_overlays;
struct {u32 start; u32 size;} load_ovl[GK20A_PMU_UCODE_NB_MAX_OVERLAY];
u32 compressed;
};
#define PMU_UNIT_REWIND (0x00)
#define PMU_UNIT_I2C (0x01)
#define PMU_UNIT_SEQ (0x02)
#define PMU_UNIT_PG (0x03)
#define PMU_UNIT_AVAILABLE1 (0x04)
#define PMU_UNIT_AVAILABLE2 (0x05)
#define PMU_UNIT_MEM (0x06)
#define PMU_UNIT_INIT (0x07)
#define PMU_UNIT_FBBA (0x08)
#define PMU_UNIT_DIDLE (0x09)
#define PMU_UNIT_AVAILABLE3 (0x0A)
#define PMU_UNIT_AVAILABLE4 (0x0B)
#define PMU_UNIT_HDCP_MAIN (0x0C)
#define PMU_UNIT_HDCP_V (0x0D)
#define PMU_UNIT_HDCP_SRM (0x0E)
#define PMU_UNIT_NVDPS (0x0F)
#define PMU_UNIT_DEINIT (0x10)
#define PMU_UNIT_AVAILABLE5 (0x11)
#define PMU_UNIT_PERFMON (0x12)
#define PMU_UNIT_FAN (0x13)
#define PMU_UNIT_PBI (0x14)
#define PMU_UNIT_ISOBLIT (0x15)
#define PMU_UNIT_DETACH (0x16)
#define PMU_UNIT_DISP (0x17)
#define PMU_UNIT_HDCP (0x18)
#define PMU_UNIT_REGCACHE (0x19)
#define PMU_UNIT_SYSMON (0x1A)
#define PMU_UNIT_THERM (0x1B)
#define PMU_UNIT_PMGR (0x1C)
#define PMU_UNIT_PERF (0x1D)
#define PMU_UNIT_PCM (0x1E)
#define PMU_UNIT_RC (0x1F)
#define PMU_UNIT_NULL (0x20)
#define PMU_UNIT_LOGGER (0x21)
#define PMU_UNIT_SMBPBI (0x22)
#define PMU_UNIT_END (0x23)
#define PMU_UNIT_TEST_START (0xFE)
#define PMU_UNIT_END_SIM (0xFF)
#define PMU_UNIT_TEST_END (0xFF)
#define PMU_UNIT_ID_IS_VALID(id) \
(((id) < PMU_UNIT_END) || ((id) >= PMU_UNIT_TEST_START))
#define PMU_DMEM_ALLOC_ALIGNMENT (32)
#define PMU_DMEM_ALIGNMENT (4)
#define PMU_CMD_FLAGS_PMU_MASK (0xF0)
#define PMU_CMD_FLAGS_STATUS BIT(0)
#define PMU_CMD_FLAGS_INTR BIT(1)
#define PMU_CMD_FLAGS_EVENT BIT(2)
#define PMU_CMD_FLAGS_WATERMARK BIT(3)
struct pmu_hdr {
u8 unit_id;
u8 size;
u8 ctrl_flags;
u8 seq_id;
};
#define PMU_MSG_HDR_SIZE sizeof(struct pmu_hdr)
#define PMU_CMD_HDR_SIZE sizeof(struct pmu_hdr)
#define PMU_QUEUE_COUNT 5
struct pmu_allocation_v0 {
u8 pad[3];
u8 fb_mem_use;
struct {
struct pmu_dmem dmem;
struct pmu_mem_v0 fb;
} alloc;
};
struct pmu_allocation_v1 {
struct {
struct pmu_dmem dmem;
struct pmu_mem_v1 fb;
} alloc;
};
enum {
PMU_INIT_MSG_TYPE_PMU_INIT = 0,
};
struct pmu_init_msg_pmu_v0 {
u8 msg_type;
u8 pad;
struct {
u16 size;
u16 offset;
u8 index;
u8 pad;
} queue_info[PMU_QUEUE_COUNT];
u16 sw_managed_area_offset;
u16 sw_managed_area_size;
};
struct pmu_init_msg_pmu_v1 {
u8 msg_type;
u8 pad;
u16 os_debug_entry_point;
struct {
u16 size;
u16 offset;
u8 index;
u8 pad;
} queue_info[PMU_QUEUE_COUNT];
u16 sw_managed_area_offset;
u16 sw_managed_area_size;
};
union pmu_init_msg_pmu {
struct pmu_init_msg_pmu_v0 v0;
struct pmu_init_msg_pmu_v1 v1;
};
struct pmu_init_msg {
union {
u8 msg_type;
struct pmu_init_msg_pmu_v1 pmu_init_v1;
struct pmu_init_msg_pmu_v0 pmu_init_v0;
};
};
enum {
PMU_PG_ELPG_MSG_INIT_ACK,
PMU_PG_ELPG_MSG_DISALLOW_ACK,
PMU_PG_ELPG_MSG_ALLOW_ACK,
PMU_PG_ELPG_MSG_FREEZE_ACK,
PMU_PG_ELPG_MSG_FREEZE_ABORT,
PMU_PG_ELPG_MSG_UNFREEZE_ACK,
};
struct pmu_pg_msg_elpg_msg {
u8 msg_type;
u8 engine_id;
u16 msg;
};
enum {
PMU_PG_STAT_MSG_RESP_DMEM_OFFSET = 0,
};
struct pmu_pg_msg_stat {
u8 msg_type;
u8 engine_id;
u16 sub_msg_id;
u32 data;
};
enum {
PMU_PG_MSG_ENG_BUF_LOADED,
PMU_PG_MSG_ENG_BUF_UNLOADED,
PMU_PG_MSG_ENG_BUF_FAILED,
};
struct pmu_pg_msg_eng_buf_stat {
u8 msg_type;
u8 engine_id;
u8 buf_idx;
u8 status;
};
struct pmu_pg_msg {
union {
u8 msg_type;
struct pmu_pg_msg_elpg_msg elpg_msg;
struct pmu_pg_msg_stat stat;
struct pmu_pg_msg_eng_buf_stat eng_buf_stat;
/* TBD: other pg messages */
union pmu_ap_msg ap_msg;
};
};
enum {
PMU_RC_MSG_TYPE_UNHANDLED_CMD = 0,
};
struct pmu_rc_msg_unhandled_cmd {
u8 msg_type;
u8 unit_id;
};
struct pmu_rc_msg {
u8 msg_type;
struct pmu_rc_msg_unhandled_cmd unhandled_cmd;
};
enum {
PMU_PG_CMD_ID_ELPG_CMD = 0,
PMU_PG_CMD_ID_ENG_BUF_LOAD,
PMU_PG_CMD_ID_ENG_BUF_UNLOAD,
PMU_PG_CMD_ID_PG_STAT,
PMU_PG_CMD_ID_PG_LOG_INIT,
PMU_PG_CMD_ID_PG_LOG_FLUSH,
PMU_PG_CMD_ID_PG_PARAM,
PMU_PG_CMD_ID_ELPG_INIT,
PMU_PG_CMD_ID_ELPG_POLL_CTXSAVE,
PMU_PG_CMD_ID_ELPG_ABORT_POLL,
PMU_PG_CMD_ID_ELPG_PWR_UP,
PMU_PG_CMD_ID_ELPG_DISALLOW,
PMU_PG_CMD_ID_ELPG_ALLOW,
PMU_PG_CMD_ID_AP,
RM_PMU_PG_CMD_ID_PSI,
RM_PMU_PG_CMD_ID_CG,
PMU_PG_CMD_ID_ZBC_TABLE_UPDATE,
PMU_PG_CMD_ID_PWR_RAIL_GATE_DISABLE = 0x20,
PMU_PG_CMD_ID_PWR_RAIL_GATE_ENABLE,
PMU_PG_CMD_ID_PWR_RAIL_SMU_MSG_DISABLE
};
enum {
PMU_PG_ELPG_CMD_INIT,
PMU_PG_ELPG_CMD_DISALLOW,
PMU_PG_ELPG_CMD_ALLOW,
PMU_PG_ELPG_CMD_FREEZE,
PMU_PG_ELPG_CMD_UNFREEZE,
};
struct pmu_pg_cmd_elpg_cmd {
u8 cmd_type;
u8 engine_id;
u16 cmd;
};
struct pmu_pg_cmd_eng_buf_load {
u8 cmd_type;
u8 engine_id;
u8 buf_idx;
u8 pad;
u16 buf_size;
u32 dma_base;
u8 dma_offset;
u8 dma_idx;
};
enum {
PMU_PG_STAT_CMD_ALLOC_DMEM = 0,
};
struct pmu_pg_cmd_stat {
u8 cmd_type;
u8 engine_id;
u16 sub_cmd_id;
u32 data;
};
struct pmu_pg_cmd {
union {
u8 cmd_type;
struct pmu_pg_cmd_elpg_cmd elpg_cmd;
struct pmu_pg_cmd_eng_buf_load eng_buf_load;
struct pmu_pg_cmd_stat stat;
/* TBD: other pg commands */
union pmu_ap_cmd ap_cmd;
};
};
/* PERFMON */
#define PMU_DOMAIN_GROUP_PSTATE 0
#define PMU_DOMAIN_GROUP_GPC2CLK 1
#define PMU_DOMAIN_GROUP_NUM 2
/* TBD: smart strategy */
#define PMU_PERFMON_PCT_TO_INC 58
#define PMU_PERFMON_PCT_TO_DEC 23
struct pmu_perfmon_counter_v0 {
u8 index;
u8 flags;
u8 group_id;
u8 valid;
u16 upper_threshold; /* units of 0.01% */
u16 lower_threshold; /* units of 0.01% */
};
struct pmu_perfmon_counter_v2 {
u8 index;
u8 flags;
u8 group_id;
u8 valid;
u16 upper_threshold; /* units of 0.01% */
u16 lower_threshold; /* units of 0.01% */
u32 scale;
};
#define PMU_PERFMON_FLAG_ENABLE_INCREASE (0x00000001)
#define PMU_PERFMON_FLAG_ENABLE_DECREASE (0x00000002)
#define PMU_PERFMON_FLAG_CLEAR_PREV (0x00000004)
/* PERFMON CMD */
enum {
PMU_PERFMON_CMD_ID_START = 0,
PMU_PERFMON_CMD_ID_STOP = 1,
PMU_PERFMON_CMD_ID_INIT = 2
};
struct pmu_perfmon_cmd_start_v1 {
u8 cmd_type;
u8 group_id;
u8 state_id;
u8 flags;
struct pmu_allocation_v1 counter_alloc;
};
struct pmu_perfmon_cmd_start_v0 {
u8 cmd_type;
u8 group_id;
u8 state_id;
u8 flags;
struct pmu_allocation_v0 counter_alloc;
};
struct pmu_perfmon_cmd_stop {
u8 cmd_type;
};
struct pmu_perfmon_cmd_init_v1 {
u8 cmd_type;
u8 to_decrease_count;
u8 base_counter_id;
u32 sample_period_us;
struct pmu_allocation_v1 counter_alloc;
u8 num_counters;
u8 samples_in_moving_avg;
u16 sample_buffer;
};
struct pmu_perfmon_cmd_init_v0 {
u8 cmd_type;
u8 to_decrease_count;
u8 base_counter_id;
u32 sample_period_us;
struct pmu_allocation_v0 counter_alloc;
u8 num_counters;
u8 samples_in_moving_avg;
u16 sample_buffer;
};
struct pmu_perfmon_cmd {
union {
u8 cmd_type;
struct pmu_perfmon_cmd_start_v0 start_v0;
struct pmu_perfmon_cmd_start_v1 start_v1;
struct pmu_perfmon_cmd_stop stop;
struct pmu_perfmon_cmd_init_v0 init_v0;
struct pmu_perfmon_cmd_init_v1 init_v1;
};
};
struct pmu_zbc_cmd {
u8 cmd_type;
u8 pad;
u16 entry_mask;
};
/* PERFMON MSG */
enum {
PMU_PERFMON_MSG_ID_INCREASE_EVENT = 0,
PMU_PERFMON_MSG_ID_DECREASE_EVENT = 1,
PMU_PERFMON_MSG_ID_INIT_EVENT = 2,
PMU_PERFMON_MSG_ID_ACK = 3
};
struct pmu_perfmon_msg_generic {
u8 msg_type;
u8 state_id;
u8 group_id;
u8 data;
};
struct pmu_perfmon_msg {
union {
u8 msg_type;
struct pmu_perfmon_msg_generic gen;
};
};
struct pmu_cmd {
struct pmu_hdr hdr;
union {
struct pmu_perfmon_cmd perfmon;
struct pmu_pg_cmd pg;
struct pmu_zbc_cmd zbc;
} cmd;
};
struct pmu_msg {
struct pmu_hdr hdr;
union {
struct pmu_init_msg init;
struct pmu_perfmon_msg perfmon;
struct pmu_pg_msg pg;
struct pmu_rc_msg rc;
} msg;
};
#define PMU_SHA1_GID_SIGNATURE 0xA7C66AD2
#define PMU_SHA1_GID_SIGNATURE_SIZE 4
#define PMU_SHA1_GID_SIZE 16
struct pmu_sha1_gid {
bool valid;
u8 gid[PMU_SHA1_GID_SIZE];
};
struct pmu_sha1_gid_data {
u8 signature[PMU_SHA1_GID_SIGNATURE_SIZE];
u8 gid[PMU_SHA1_GID_SIZE];
};
#define PMU_COMMAND_QUEUE_HPQ 0 /* write by sw, read by pmu, protected by sw mutex lock */
#define PMU_COMMAND_QUEUE_LPQ 1 /* write by sw, read by pmu, protected by sw mutex lock */
#define PMU_COMMAND_QUEUE_BIOS 2 /* read/write by sw/hw, protected by hw pmu mutex, id = 2 */
#define PMU_COMMAND_QUEUE_SMI 3 /* read/write by sw/hw, protected by hw pmu mutex, id = 3 */
#define PMU_MESSAGE_QUEUE 4 /* write by pmu, read by sw, accessed by interrupt handler, no lock */
#define PMU_QUEUE_COUNT 5
enum {
PMU_MUTEX_ID_RSVD1 = 0 ,
PMU_MUTEX_ID_GPUSER ,
PMU_MUTEX_ID_QUEUE_BIOS ,
PMU_MUTEX_ID_QUEUE_SMI ,
PMU_MUTEX_ID_GPMUTEX ,
PMU_MUTEX_ID_I2C ,
PMU_MUTEX_ID_RMLOCK ,
PMU_MUTEX_ID_MSGBOX ,
PMU_MUTEX_ID_FIFO ,
PMU_MUTEX_ID_PG ,
PMU_MUTEX_ID_GR ,
PMU_MUTEX_ID_CLK ,
PMU_MUTEX_ID_RSVD6 ,
PMU_MUTEX_ID_RSVD7 ,
PMU_MUTEX_ID_RSVD8 ,
PMU_MUTEX_ID_RSVD9 ,
PMU_MUTEX_ID_INVALID
};
#define PMU_IS_COMMAND_QUEUE(id) \
((id) < PMU_MESSAGE_QUEUE)
#define PMU_IS_SW_COMMAND_QUEUE(id) \
(((id) == PMU_COMMAND_QUEUE_HPQ) || \
((id) == PMU_COMMAND_QUEUE_LPQ))
#define PMU_IS_MESSAGE_QUEUE(id) \
((id) == PMU_MESSAGE_QUEUE)
enum
{
OFLAG_READ = 0,
OFLAG_WRITE
};
#define QUEUE_SET (true)
#define QUEUE_GET (false)
#define QUEUE_ALIGNMENT (4)
#define PMU_PGENG_GR_BUFFER_IDX_INIT (0)
#define PMU_PGENG_GR_BUFFER_IDX_ZBC (1)
#define PMU_PGENG_GR_BUFFER_IDX_FECS (2)
enum
{
PMU_DMAIDX_UCODE = 0,
PMU_DMAIDX_VIRT = 1,
PMU_DMAIDX_PHYS_VID = 2,
PMU_DMAIDX_PHYS_SYS_COH = 3,
PMU_DMAIDX_PHYS_SYS_NCOH = 4,
PMU_DMAIDX_RSVD = 5,
PMU_DMAIDX_PELPG = 6,
PMU_DMAIDX_END = 7
};
struct pmu_gk20a;
struct pmu_queue;
struct pmu_queue {
/* used by hw, for BIOS/SMI queue */
u32 mutex_id;
u32 mutex_lock;
/* used by sw, for LPQ/HPQ queue */
struct mutex mutex;
/* current write position */
u32 position;
/* physical dmem offset where this queue begins */
u32 offset;
/* logical queue identifier */
u32 id;
/* physical queue index */
u32 index;
/* in bytes */
u32 size;
/* open-flag */
u32 oflag;
bool opened; /* opened implies locked */
};
#define PMU_MUTEX_ID_IS_VALID(id) \
((id) < PMU_MUTEX_ID_INVALID)
#define PMU_INVALID_MUTEX_OWNER_ID (0)
struct pmu_mutex {
u32 id;
u32 index;
u32 ref_cnt;
};
#define PMU_MAX_NUM_SEQUENCES (256)
#define PMU_SEQ_BIT_SHIFT (5)
#define PMU_SEQ_TBL_SIZE \
(PMU_MAX_NUM_SEQUENCES >> PMU_SEQ_BIT_SHIFT)
#define PMU_INVALID_SEQ_DESC (~0)
enum
{
PMU_SEQ_STATE_FREE = 0,
PMU_SEQ_STATE_PENDING,
PMU_SEQ_STATE_USED,
PMU_SEQ_STATE_CANCELLED
};
struct pmu_payload {
struct {
void *buf;
u32 offset;
u32 size;
} in, out;
};
typedef void (*pmu_callback)(struct gk20a *, struct pmu_msg *, void *, u32,
u32);
struct pmu_sequence {
u8 id;
u32 state;
u32 desc;
struct pmu_msg *msg;
union {
struct pmu_allocation_v0 in_v0;
struct pmu_allocation_v1 in_v1;
};
union {
struct pmu_allocation_v0 out_v0;
struct pmu_allocation_v1 out_v1;
};
u8 *out_payload;
pmu_callback callback;
void* cb_params;
};
struct pmu_pg_stats {
u64 pg_entry_start_timestamp;
u64 pg_ingating_start_timestamp;
u64 pg_exit_start_timestamp;
u64 pg_ungating_start_timestamp;
u32 pg_avg_entry_time_us;
u32 pg_ingating_cnt;
u32 pg_ingating_time_us;
u32 pg_avg_exit_time_us;
u32 pg_ungating_count;
u32 pg_ungating_time_us;
u32 pg_gating_cnt;
u32 pg_gating_deny_cnt;
};
#define PMU_PG_IDLE_THRESHOLD_SIM 1000
#define PMU_PG_POST_POWERUP_IDLE_THRESHOLD_SIM 4000000
/* TBD: QT or else ? */
#define PMU_PG_IDLE_THRESHOLD 15000
#define PMU_PG_POST_POWERUP_IDLE_THRESHOLD 1000000
/* state transition :
OFF => [OFF_ON_PENDING optional] => ON_PENDING => ON => OFF
ON => OFF is always synchronized */
#define PMU_ELPG_STAT_OFF 0 /* elpg is off */
#define PMU_ELPG_STAT_ON 1 /* elpg is on */
#define PMU_ELPG_STAT_ON_PENDING 2 /* elpg is off, ALLOW cmd has been sent, wait for ack */
#define PMU_ELPG_STAT_OFF_PENDING 3 /* elpg is on, DISALLOW cmd has been sent, wait for ack */
#define PMU_ELPG_STAT_OFF_ON_PENDING 4 /* elpg is off, caller has requested on, but ALLOW
cmd hasn't been sent due to ENABLE_ALLOW delay */
/* Falcon Register index */
#define PMU_FALCON_REG_R0 (0)
#define PMU_FALCON_REG_R1 (1)
#define PMU_FALCON_REG_R2 (2)
#define PMU_FALCON_REG_R3 (3)
#define PMU_FALCON_REG_R4 (4)
#define PMU_FALCON_REG_R5 (5)
#define PMU_FALCON_REG_R6 (6)
#define PMU_FALCON_REG_R7 (7)
#define PMU_FALCON_REG_R8 (8)
#define PMU_FALCON_REG_R9 (9)
#define PMU_FALCON_REG_R10 (10)
#define PMU_FALCON_REG_R11 (11)
#define PMU_FALCON_REG_R12 (12)
#define PMU_FALCON_REG_R13 (13)
#define PMU_FALCON_REG_R14 (14)
#define PMU_FALCON_REG_R15 (15)
#define PMU_FALCON_REG_IV0 (16)
#define PMU_FALCON_REG_IV1 (17)
#define PMU_FALCON_REG_UNDEFINED (18)
#define PMU_FALCON_REG_EV (19)
#define PMU_FALCON_REG_SP (20)
#define PMU_FALCON_REG_PC (21)
#define PMU_FALCON_REG_IMB (22)
#define PMU_FALCON_REG_DMB (23)
#define PMU_FALCON_REG_CSW (24)
#define PMU_FALCON_REG_CCR (25)
#define PMU_FALCON_REG_SEC (26)
#define PMU_FALCON_REG_CTX (27)
#define PMU_FALCON_REG_EXCI (28)
#define PMU_FALCON_REG_RSVD0 (29)
#define PMU_FALCON_REG_RSVD1 (30)
#define PMU_FALCON_REG_RSVD2 (31)
#define PMU_FALCON_REG_SIZE (32)
/* Choices for pmu_state */
#define PMU_STATE_OFF 0 /* PMU is off */
#define PMU_STATE_STARTING 1 /* PMU is on, but not booted */
#define PMU_STATE_ELPG_BOOTING 2 /* PMU is booting */
#define PMU_STATE_ELPG_BOOTED 3 /* ELPG is initialized */
#define PMU_STATE_LOADING_PG_BUF 4 /* Loading PG buf */
#define PMU_STATE_LOADING_ZBC 5 /* Loading ZBC buf */
#define PMU_STATE_STARTED 6 /* Fully unitialized */
struct pmu_gk20a {
struct pmu_ucode_desc *desc;
struct pmu_mem_desc ucode;
struct pmu_mem_desc pg_buf;
/* TBD: remove this if ZBC seq is fixed */
struct pmu_mem_desc seq_buf;
struct pmu_mem_desc trace_buf;
bool buf_loaded;
struct pmu_sha1_gid gid_info;
struct pmu_queue queue[PMU_QUEUE_COUNT];
struct pmu_sequence *seq;
unsigned long pmu_seq_tbl[PMU_SEQ_TBL_SIZE];
u32 next_seq_desc;
struct pmu_mutex *mutex;
u32 mutex_cnt;
struct mutex pmu_copy_lock;
struct mutex pmu_seq_lock;
struct gk20a_allocator dmem;
u32 *ucode_image;
bool pmu_ready;
u32 zbc_save_done;
u32 stat_dmem_offset;
u32 elpg_stat;
int pmu_state;
#define PMU_ELPG_ENABLE_ALLOW_DELAY_MSEC 1 /* msec */
struct work_struct pg_init;
struct mutex elpg_mutex; /* protect elpg enable/disable */
int elpg_refcnt; /* disable -1, enable +1, <=0 elpg disabled, > 0 elpg enabled */
union {
struct pmu_perfmon_counter_v2 perfmon_counter_v2;
struct pmu_perfmon_counter_v0 perfmon_counter_v0;
};
u32 perfmon_state_id[PMU_DOMAIN_GROUP_NUM];
bool initialized;
void (*remove_support)(struct pmu_gk20a *pmu);
bool sw_ready;
bool perfmon_ready;
u32 sample_buffer;
u32 load_shadow;
u32 load_avg;
struct mutex isr_mutex;
bool isr_enabled;
bool zbc_ready;
union {
struct pmu_cmdline_args_v0 args_v0;
struct pmu_cmdline_args_v1 args_v1;
struct pmu_cmdline_args_v2 args_v2;
};
unsigned long perfmon_events_cnt;
bool perfmon_sampling_enabled;
u8 pmu_mode; /*Added for GM20b, and ACR*/
u32 falcon_id;
u32 aelpg_param[5];
};
int gk20a_init_pmu_support(struct gk20a *g);
int gk20a_init_pmu_bind_fecs(struct gk20a *g);
void gk20a_pmu_isr(struct gk20a *g);
/* send a cmd to pmu */
int gk20a_pmu_cmd_post(struct gk20a *g, struct pmu_cmd *cmd, struct pmu_msg *msg,
struct pmu_payload *payload, u32 queue_id,
pmu_callback callback, void* cb_param,
u32 *seq_desc, unsigned long timeout);
int gk20a_pmu_enable_elpg(struct gk20a *g);
int gk20a_pmu_disable_elpg(struct gk20a *g);
void gk20a_pmu_save_zbc(struct gk20a *g, u32 entries);
int gk20a_pmu_perfmon_enable(struct gk20a *g, bool enable);
int pmu_mutex_acquire(struct pmu_gk20a *pmu, u32 id, u32 *token);
int pmu_mutex_release(struct pmu_gk20a *pmu, u32 id, u32 *token);
int gk20a_pmu_destroy(struct gk20a *g);
int gk20a_pmu_load_norm(struct gk20a *g, u32 *load);
int gk20a_pmu_load_update(struct gk20a *g);
int gk20a_pmu_debugfs_init(struct platform_device *dev);
void gk20a_pmu_reset_load_counters(struct gk20a *g);
void gk20a_pmu_get_load_counters(struct gk20a *g, u32 *busy_cycles,
u32 *total_cycles);
void gk20a_init_pmu_ops(struct gpu_ops *gops);
void pmu_copy_to_dmem(struct pmu_gk20a *pmu,
u32 dst, u8 *src, u32 size, u8 port);
void pmu_copy_from_dmem(struct pmu_gk20a *pmu,
u32 src, u8 *dst, u32 size, u8 port);
int pmu_reset(struct pmu_gk20a *pmu);
int gk20a_init_pmu(struct pmu_gk20a *pmu);
void pmu_dump_falcon_stats(struct pmu_gk20a *pmu);
void gk20a_remove_pmu_support(struct pmu_gk20a *pmu);
void pmu_setup_hw(struct work_struct *work);
void pmu_seq_init(struct pmu_gk20a *pmu);
int gk20a_init_pmu(struct pmu_gk20a *pmu);
int gk20a_pmu_ap_send_command(struct gk20a *g,
union pmu_ap_cmd *p_ap_cmd, bool b_block);
int gk20a_aelpg_init(struct gk20a *g);
int gk20a_aelpg_init_and_enable(struct gk20a *g, u8 ctrl_id);
void pmu_enable_irq(struct pmu_gk20a *pmu, bool enable);
#endif /*__PMU_GK20A_H__*/