1
2
3
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