habanalabs: expose ASIC specific PLL index

Currently the user cannot interpret the PLL information based on index
as its exposed as an integer.

This commit exposes ASIC specific PLL indexes and maps it to a generic
FW compatible index.

Signed-off-by: Bharat Jauhari <bjauhari@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

include/uapi/misc/habanalabs.h

@@ -239,6 +239,39 @@ enum gaudi_engine_id {
 	GAUDI_ENGINE_ID_SIZE
 };
 
+/*
+ * ASIC specific PLL index
+ *
+ * Used to retrieve in frequency info of different IPs via
+ * HL_INFO_PLL_FREQUENCY under HL_IOCTL_INFO IOCTL. The enums need to be
+ * used as an index in struct hl_pll_frequency_info
+ */
+
+enum hl_goya_pll_index {
+	HL_GOYA_CPU_PLL = 0,
+	HL_GOYA_IC_PLL,
+	HL_GOYA_MC_PLL,
+	HL_GOYA_MME_PLL,
+	HL_GOYA_PCI_PLL,
+	HL_GOYA_EMMC_PLL,
+	HL_GOYA_TPC_PLL,
+	HL_GOYA_PLL_MAX
+};
+
+enum hl_gaudi_pll_index {
+	HL_GAUDI_CPU_PLL = 0,
+	HL_GAUDI_PCI_PLL,
+	HL_GAUDI_SRAM_PLL,
+	HL_GAUDI_HBM_PLL,
+	HL_GAUDI_NIC_PLL,
+	HL_GAUDI_DMA_PLL,
+	HL_GAUDI_MESH_PLL,
+	HL_GAUDI_MME_PLL,
+	HL_GAUDI_TPC_PLL,
+	HL_GAUDI_IF_PLL,
+	HL_GAUDI_PLL_MAX
+};
+
 enum hl_device_status {
 	HL_DEVICE_STATUS_OPERATIONAL,
 	HL_DEVICE_STATUS_IN_RESET,