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