| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * Copyright (C) 2012 Russell King |
| 4 | */ |
| 5 | #ifndef ARMADA_CRTC_H |
| 6 | #define ARMADA_CRTC_H |
| 7 | |
| 8 | #include <drm/drm_crtc.h> |
| 9 | |
| 10 | struct armada_gem_object; |
| 11 | |
| 12 | struct 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 | |
| 33 | struct armada_crtc; |
| 34 | struct armada_variant; |
| 35 | |
| 36 | struct 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 | |
| 73 | void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *); |
| 74 | |
| 75 | struct armada_clocking_params { |
| 76 | unsigned long permillage_min; |
| 77 | unsigned long permillage_max; |
| 78 | u32 settable; |
| 79 | u32 div_max; |
| 80 | }; |
| 81 | |
| 82 | struct armada_clk_result { |
| 83 | unsigned long desired_clk_hz; |
| 84 | struct clk *clk; |
| 85 | u32 div; |
| 86 | }; |
| 87 | |
| 88 | int 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 | |
| 94 | extern struct platform_driver armada_lcd_platform_driver; |
| 95 | |
| 96 | #endif |