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75 lines
2.2 KiB
75 lines
2.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/ |
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* Author: Tomi Valkeinen <[email protected]> |
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*/ |
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#ifndef __TIDSS_IRQ_H__ |
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#define __TIDSS_IRQ_H__ |
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#include <linux/types.h> |
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#include "tidss_drv.h" |
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/* |
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* The IRQ status from various DISPC IRQ registers are packed into a single |
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* value, where the bits are defined as follows: |
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* |
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* bit group |dev|wb |mrg0|mrg1|mrg2|mrg3|plane0-3| <unused> | |
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* bit use |D |fou|FEOL|FEOL|FEOL|FEOL| UUUU | | |
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* bit number|0 |1-3|4-7 |8-11| 12-19 | 20-23 | 24-31 | |
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* |
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* device bits: D = OCP error |
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* WB bits: f = frame done wb, o = wb buffer overflow, |
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* u = wb buffer uncomplete |
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* vp bits: F = frame done, E = vsync even, O = vsync odd, L = sync lost |
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* plane bits: U = fifo underflow |
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*/ |
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#define DSS_IRQ_DEVICE_OCP_ERR BIT(0) |
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#define DSS_IRQ_DEVICE_FRAMEDONEWB BIT(1) |
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#define DSS_IRQ_DEVICE_WBBUFFEROVERFLOW BIT(2) |
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#define DSS_IRQ_DEVICE_WBUNCOMPLETEERROR BIT(3) |
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#define DSS_IRQ_DEVICE_WB_MASK GENMASK(3, 1) |
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#define DSS_IRQ_VP_BIT_N(ch, bit) (4 + 4 * (ch) + (bit)) |
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#define DSS_IRQ_PLANE_BIT_N(plane, bit) \ |
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(DSS_IRQ_VP_BIT_N(TIDSS_MAX_PORTS, 0) + 1 * (plane) + (bit)) |
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#define DSS_IRQ_VP_BIT(ch, bit) BIT(DSS_IRQ_VP_BIT_N((ch), (bit))) |
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#define DSS_IRQ_PLANE_BIT(plane, bit) \ |
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BIT(DSS_IRQ_PLANE_BIT_N((plane), (bit))) |
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static inline dispc_irq_t DSS_IRQ_VP_MASK(u32 ch) |
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{ |
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return GENMASK(DSS_IRQ_VP_BIT_N((ch), 3), DSS_IRQ_VP_BIT_N((ch), 0)); |
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} |
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static inline dispc_irq_t DSS_IRQ_PLANE_MASK(u32 plane) |
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{ |
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return GENMASK(DSS_IRQ_PLANE_BIT_N((plane), 0), |
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DSS_IRQ_PLANE_BIT_N((plane), 0)); |
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} |
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#define DSS_IRQ_VP_FRAME_DONE(ch) DSS_IRQ_VP_BIT((ch), 0) |
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#define DSS_IRQ_VP_VSYNC_EVEN(ch) DSS_IRQ_VP_BIT((ch), 1) |
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#define DSS_IRQ_VP_VSYNC_ODD(ch) DSS_IRQ_VP_BIT((ch), 2) |
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#define DSS_IRQ_VP_SYNC_LOST(ch) DSS_IRQ_VP_BIT((ch), 3) |
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#define DSS_IRQ_PLANE_FIFO_UNDERFLOW(plane) DSS_IRQ_PLANE_BIT((plane), 0) |
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struct drm_crtc; |
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struct drm_device; |
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struct tidss_device; |
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void tidss_irq_enable_vblank(struct drm_crtc *crtc); |
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void tidss_irq_disable_vblank(struct drm_crtc *crtc); |
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int tidss_irq_install(struct drm_device *ddev, unsigned int irq); |
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void tidss_irq_uninstall(struct drm_device *ddev); |
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void tidss_irq_resume(struct tidss_device *tidss); |
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#endif
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