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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (C) 2012 Russell King4 */5#ifndef ARMADA_CRTC_H6#define ARMADA_CRTC_H7 8#include <drm/drm_crtc.h>9 10struct armada_gem_object;11 12struct armada_regs {13 uint32_t offset;14 uint32_t mask;15 uint32_t val;16};17 18#define armada_reg_queue_mod(_r, _i, _v, _m, _o) \19 do { \20 struct armada_regs *__reg = _r; \21 __reg[_i].offset = _o; \22 __reg[_i].mask = ~(_m); \23 __reg[_i].val = _v; \24 _i++; \25 } while (0)26 27#define armada_reg_queue_set(_r, _i, _v, _o) \28 armada_reg_queue_mod(_r, _i, _v, ~0, _o)29 30#define armada_reg_queue_end(_r, _i) \31 armada_reg_queue_mod(_r, _i, 0, 0, ~0)32 33struct armada_crtc;34struct armada_variant;35 36struct armada_crtc {37 struct drm_crtc crtc;38 const struct armada_variant *variant;39 void *variant_data;40 unsigned num;41 void __iomem *base;42 struct clk *clk;43 struct {44 uint32_t spu_v_h_total;45 uint32_t spu_v_porch;46 uint32_t spu_adv_reg;47 } v[2];48 bool interlaced;49 bool cursor_update;50 51 struct armada_gem_object *cursor_obj;52 int cursor_x;53 int cursor_y;54 uint32_t cursor_hw_pos;55 uint32_t cursor_hw_sz;56 uint32_t cursor_w;57 uint32_t cursor_h;58 59 uint32_t cfg_dumb_ctrl;60 uint32_t spu_iopad_ctrl;61 62 spinlock_t irq_lock;63 uint32_t irq_ena;64 65 bool update_pending;66 struct drm_pending_vblank_event *event;67 struct armada_regs atomic_regs[32];68 struct armada_regs *regs;69 unsigned int regs_idx;70};71#define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc)72 73void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *);74 75struct armada_clocking_params {76 unsigned long permillage_min;77 unsigned long permillage_max;78 u32 settable;79 u32 div_max;80};81 82struct armada_clk_result {83 unsigned long desired_clk_hz;84 struct clk *clk;85 u32 div;86};87 88int armada_crtc_select_clock(struct armada_crtc *dcrtc,89 struct armada_clk_result *res,90 const struct armada_clocking_params *params,91 struct clk *clks[], size_t num_clks,92 unsigned long desired_khz);93 94extern struct platform_driver armada_lcd_platform_driver;95 96#endif97