intel_th: Update scratchpad bits according to enabled output activity

[cascardo/linux.git] / drivers / hwtracing / intel_th / intel_th.h

diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h
index 57fd72b..eedd093 100644 (file)
--- a/drivers/hwtracing/intel_th/intel_th.h
+++ b/drivers/hwtracing/intel_th/intel_th.h
@@ -30,6 +30,7 @@ enum {
  * struct intel_th_output - descriptor INTEL_TH_OUTPUT type devices
  * @port:      output port number, assigned by the switch
  * @type:      GTH_{MSU,CTP,PTI}
+ * @scratchpad:        scratchpad bits to flag when this output is enabled
  * @multiblock:        true for multiblock output configuration
  * @active:    true when this output is enabled
  *
@@ -41,6 +42,7 @@ enum {
 struct intel_th_output {
        int             port;
        unsigned int    type;
+       unsigned int    scratchpad;
        bool            multiblock;
        bool            active;
 };
@@ -241,4 +243,43 @@ enum {
        GTH_PTI = 4,    /* MIPI-PTI */
 };
 
+/*
+ * Scratchpad bits: tell firmware and external debuggers
+ * what we are up to.
+ */
+enum {
+       /* Memory is the primary destination */
+       SCRPD_MEM_IS_PRIM_DEST          = BIT(0),
+       /* XHCI DbC is the primary destination */
+       SCRPD_DBC_IS_PRIM_DEST          = BIT(1),
+       /* PTI is the primary destination */
+       SCRPD_PTI_IS_PRIM_DEST          = BIT(2),
+       /* BSSB is the primary destination */
+       SCRPD_BSSB_IS_PRIM_DEST         = BIT(3),
+       /* PTI is the alternate destination */
+       SCRPD_PTI_IS_ALT_DEST           = BIT(4),
+       /* BSSB is the alternate destination */
+       SCRPD_BSSB_IS_ALT_DEST          = BIT(5),
+       /* DeepSx exit occurred */
+       SCRPD_DEEPSX_EXIT               = BIT(6),
+       /* S4 exit occurred */
+       SCRPD_S4_EXIT                   = BIT(7),
+       /* S5 exit occurred */
+       SCRPD_S5_EXIT                   = BIT(8),
+       /* MSU controller 0/1 is enabled */
+       SCRPD_MSC0_IS_ENABLED           = BIT(9),
+       SCRPD_MSC1_IS_ENABLED           = BIT(10),
+       /* Sx exit occurred */
+       SCRPD_SX_EXIT                   = BIT(11),
+       /* Trigger Unit is enabled */
+       SCRPD_TRIGGER_IS_ENABLED        = BIT(12),
+       SCRPD_ODLA_IS_ENABLED           = BIT(13),
+       SCRPD_SOCHAP_IS_ENABLED         = BIT(14),
+       SCRPD_STH_IS_ENABLED            = BIT(15),
+       SCRPD_DCIH_IS_ENABLED           = BIT(16),
+       SCRPD_VER_IS_ENABLED            = BIT(17),
+       /* External debugger is using Intel TH */
+       SCRPD_DEBUGGER_IN_USE           = BIT(24),
+};
+
 #endif