f3c66e9c1b
Creating a generic api that can be used with the driver for read poll timeouts. This allows for easy overriding of the function, if necessary. Change-Id: I7bc5176ebabe782089b1a4d6e94c17ad3eb9ada4 Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org> Signed-off-by: Michael Ru <mru@codeaurora.org>
43 Zeilen
1.6 KiB
C
43 Zeilen
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DSI_HW_H_
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#define _DSI_HW_H_
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#include <linux/io.h>
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#define DSI_GEN_R32(base, offset) readl_relaxed((base) + (offset))
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#define DSI_GEN_W32(base, offset, val) writel_relaxed((val), (base) + (offset))
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#define DSI_R64(dsi_hw, off) readq_relaxed((dsi_hw)->base + (off))
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#define DSI_W64(dsi_hw, off, val) writeq_relaxed((val), (dsi_hw)->base + (off))
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#define DSI_READ_POLL_TIMEOUT(dsi_hw, off, val, cond, delay_us, timeout_us) \
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readl_poll_timeout((dsi_hw)->base + (off), (val), (cond), (delay_us), (timeout_us))
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#define DSI_READ_POLL_TIMEOUT_ATOMIC_GEN(base, index, off, val, cond, delay_us, timeout_us) \
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readl_poll_timeout_atomic((base) + (off), (val), (cond), (delay_us), (timeout_us))
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#define DSI_GEN_W32_DEBUG(base, index, offset, val) \
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do {\
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pr_debug("[DSI_%d][%s] - [0x%08x]\n", \
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(index), #offset, (uint32_t)(val)); \
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DSI_GEN_W32(base, offset, val); \
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} while (0)
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#define DSI_R32(dsi_hw, off) DSI_GEN_R32((dsi_hw)->base, off)
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#define DSI_W32(dsi_hw, off, val) DSI_GEN_W32_DEBUG((dsi_hw)->base, \
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(dsi_hw)->index, off, val)
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#define DSI_READ_POLL_TIMEOUT_ATOMIC(dsi_hw, off, val, cond, delay_us, timeout_us) \
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DSI_READ_POLL_TIMEOUT_ATOMIC_GEN((dsi_hw)->base, (dsi_hw)->index, off, val, cond, delay_us, timeout_us)
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#define PLL_CALC_DATA(addr0, addr1, data0, data1) \
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(((data1) << 24) | ((((addr1)/4) & 0xFF) << 16) | \
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((data0) << 8) | (((addr0)/4) & 0xFF))
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#define DSI_DYN_REF_REG_W(base, offset, addr0, addr1, data0, data1) \
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DSI_GEN_W32(base, offset, PLL_CALC_DATA(addr0, addr1, data0, data1))
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#endif /* _DSI_HW_H_ */
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