drivers/gpu/rogue_m/system/rk3368/rk_init.h

   1 #if !defined(__RK_INIT__)
   2 #define __RK_INIT__
   3
   4 #include <linux/hrtimer.h>
   5 #include <linux/kthread.h>
   6 #include "rgxdevice.h"
   7 #include "device.h"
   8
   9 /****************************************************************************
  10        Add Rockchip modificatons here!
  11 *****************************************************************************/
  12 #define RK33_DVFS_SUPPORT                   1   // 1:DVFS on   0:DVFS off
  13 #define RK33_SYSFS_FILE_SUPPORT             1   // 1:add information nodes in /sys/devices/ffa30000.gpu/
  14
  15 //RK33_USE_RGX_GET_GPU_UTIL and RK33_USE_CUSTOMER_GET_GPU_UTIL are mutually exclusive
  16 #define RK33_USE_RGX_GET_GPU_UTIL           1
  17 #define RK33_USE_CUSTOMER_GET_GPU_UTIL      0
  18
  19 #define RK33_USE_CL_COUNT_UTILS             0
  20 #define OPEN_GPU_PD                         1
  21
  22 //USE_KTHREAD and USE_HRTIMER are mutually exclusive
  23 #define USE_KTHREAD                         0
  24 #define USE_HRTIMER                         1
  25
  26 #define RK_TF_VERSION                       1
  27
  28 #define RK33_MAX_UTILIS                 4
  29 #define RK33_DVFS_FREQ                  50
  30 #define RK33_DEFAULT_CLOCK              400
  31 #define RK33_DVFS_FREQ_LIMIT            1
  32 #define RGX_DVFS_CURRENT_FREQ           0
  33
  34 #define FPS_DEFAULT_GAP                 300
  35 #define FPS_MAX_GAP                     5000
  36 #define LIMIT_FPS                       60
  37 #define LIMIT_FPS_POWER_SAVE            50
  38 #define ONE_KHZ                         1000
  39 #define ONE_MHZ                         1000000
  40 #define HZ_TO_MHZ(m)                  ((m) / ONE_MHZ)
  41 /* Conversion helpers for setting up high resolution timers */
  42 #define HR_TIMER_DELAY_MSEC(x)          (ns_to_ktime((x)*1000000U))
  43 #define HR_TIMER_DELAY_NSEC(x)          (ns_to_ktime(x))
  44 #define RGX_DVFS_LEVEL_INTERVAL          2
  45
  46 /* Shift used for kbasep_pm_metrics_data.time_busy/idle - units of (1 << 8) ns
  47    This gives a maximum period between samples of 2^(32+8)/100 ns = slightly under 11s.
  48    Exceeding this will cause overflow */
  49 #define RK_PM_TIME_SHIFT       8
  50
  51 #define RK_EXPORT_API(func)  EXPORT_SYMBOL(func);
  52
  53 typedef struct _rgx_dvfs_info {
  54         IMG_UINT voltage;
  55         IMG_UINT clock;
  56         IMG_INT min_threshold;
  57         IMG_INT max_threshold;
  58         IMG_UINT64 time;
  59         IMG_UINT coef;
  60 } rgx_dvfs_info;
  61
  62 typedef struct _rgx_dvfs_status_type {
  63         IMG_INT step;
  64         IMG_INT utilisation;
  65         IMG_UINT32 temperature;
  66         IMG_UINT32 temperature_time;
  67 #if 0
  68         IMG_INT upper_lock;
  69         IMG_INT under_lock;
  70 #endif
  71
  72 } rgx_dvfs_status;
  73
  74 enum {
  75         DBG_OFF = 0,
  76         DBG_LOW,
  77         DBG_HIGH,
  78 };
  79
  80 struct rk_utilis {
  81         IMG_INT utilis[RK33_MAX_UTILIS];
  82         IMG_INT time_busys[RK33_MAX_UTILIS];
  83         IMG_INT time_idles[RK33_MAX_UTILIS];
  84 };
  85
  86 struct rk_context {
  87         /** Indicator if system clock to mail-t604 is active */
  88         IMG_INT cmu_pmu_status;
  89         /** cmd & pmu lock */
  90         spinlock_t cmu_pmu_lock;
  91         /*Timer */
  92         spinlock_t timer_lock;
  93
  94 #if OPEN_GPU_PD
  95         IMG_BOOL bEnablePd;
  96         struct clk *pd_gpu_0;
  97         struct clk *pd_gpu_1;
  98 #endif
  99         //struct clk              *aclk_gpu;
 100         struct clk *aclk_gpu_mem;
 101         struct clk *aclk_gpu_cfg;
 102         struct clk *sclk_gpu_core;
 103         struct regulator *gpu_reg;
 104
 105         PVRSRV_DEVICE_NODE *psDeviceNode;
 106         RGXFWIF_GPU_UTIL_STATS sUtilStats;
 107         IMG_BOOL gpu_active;
 108         IMG_BOOL dvfs_enabled;
 109
 110 #if RK33_DVFS_SUPPORT
 111 #if RK33_USE_CUSTOMER_GET_GPU_UTIL
 112         ktime_t time_period_start;
 113 #endif
 114
 115         /*Temperature */
 116         IMG_UINT32 temperature;
 117         IMG_UINT32 temperature_time;
 118
 119 #if USE_HRTIMER
 120         struct hrtimer timer;
 121 #endif
 122         IMG_BOOL timer_active;
 123
 124 #if USE_KTHREAD
 125         /*dvfs kthread */
 126         struct task_struct *dvfs_task;
 127         wait_queue_head_t dvfs_wait;
 128 #endif
 129
 130         /*To calculate utilization for x sec */
 131         IMG_INT freq_level;
 132         IMG_INT freq;
 133         IMG_INT time_tick;
 134         struct rk_utilis stUtilis;
 135         IMG_INT utilisation;
 136         IMG_UINT32 time_busy;
 137         IMG_UINT32 time_idle;
 138
 139 #if RK33_USE_CL_COUNT_UTILS
 140         IMG_UINT32 abs_load[4];
 141 #endif
 142
 143 #if RK33_SYSFS_FILE_SUPPORT
 144 #if RK33_DVFS_FREQ_LIMIT
 145         IMG_INT up_level;
 146         IMG_INT down_level;
 147 #endif                          //end of RK33_DVFS_FREQ_LIMIT
 148         IMG_INT debug_level;
 149         IMG_UINT fps_gap;
 150         IMG_INT fix_freq;
 151 #endif                          //end of RK33_SYSFS_FILE_SUPPORT
 152
 153 #endif                          //end of RK33_DVFS_SUPPORT
 154 };
 155
 156 IMG_VOID RgxRkInit(IMG_VOID);
 157 IMG_VOID RgxRkUnInit(IMG_VOID);
 158 IMG_VOID RgxResume(IMG_VOID);
 159 IMG_VOID RgxSuspend(IMG_VOID);
 160
 161 IMG_BOOL rk33_dvfs_init(IMG_VOID);
 162 IMG_VOID rk33_dvfs_term(IMG_VOID);
 163
 164 #if RK33_DVFS_SUPPORT && RK33_USE_RGX_GET_GPU_UTIL
 165 IMG_BOOL rk33_set_device_node(IMG_HANDLE hDevCookie);
 166 IMG_BOOL rk33_clear_device_node(IMG_VOID);
 167 #endif
 168
 169 PVRSRV_ERROR IonInit(void *pvPrivateData);
 170 IMG_VOID IonDeinit(IMG_VOID);
 171 PVRSRV_ERROR RkPrePowerState(PVRSRV_DEV_POWER_STATE eNewPowerState,
 172                              PVRSRV_DEV_POWER_STATE eCurrentPowerState,
 173                              IMG_BOOL bForced);
 174 PVRSRV_ERROR RkPostPowerState(PVRSRV_DEV_POWER_STATE eNewPowerState,
 175                               PVRSRV_DEV_POWER_STATE eCurrentPowerState,
 176                               IMG_BOOL bForced);
 177 #endif /* __SUNXI_INIT__ */