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1 // SPDX-License-Identifier: GPL-2.0-only3 * Driver for Audio DMA Controller (ADMAC) on t8103 (M1) and other Apple chips115 * SRAM_CARVEOUT has 16-bit fields, so the SRAM cannot be larger than116 * 64K and a 32-bit bitfield over 2K blocks covers it.156 ad->txcache.size = readl_relaxed(ad->base + REG_TX_SRAM_SIZE); in admac_alloc_sram_carveout()157 ad->rxcache.size = readl_relaxed(ad->base + REG_RX_SRAM_SIZE); in admac_alloc_sram_carveout()160 sram = &ad->txcache; in admac_alloc_sram_carveout()162 sram = &ad->rxcache; in admac_alloc_sram_carveout()164 mutex_lock(&ad->cache_alloc_lock); in admac_alloc_sram_carveout()166 nblocks = sram->size / SRAM_BLOCK; in admac_alloc_sram_carveout()[all …]