summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/armada/armada_crtc.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/armada/armada_crtc.h')
-rw-r--r--drivers/gpu/drm/armada/armada_crtc.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/gpu/drm/armada/armada_crtc.h b/drivers/gpu/drm/armada/armada_crtc.h
new file mode 100644
index 000000000..7ebd337b6
--- /dev/null
+++ b/drivers/gpu/drm/armada/armada_crtc.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2012 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef ARMADA_CRTC_H
+#define ARMADA_CRTC_H
+
+struct armada_gem_object;
+
+struct armada_regs {
+ uint32_t offset;
+ uint32_t mask;
+ uint32_t val;
+};
+
+#define armada_reg_queue_mod(_r, _i, _v, _m, _o) \
+ do { \
+ struct armada_regs *__reg = _r; \
+ __reg[_i].offset = _o; \
+ __reg[_i].mask = ~(_m); \
+ __reg[_i].val = _v; \
+ _i++; \
+ } while (0)
+
+#define armada_reg_queue_set(_r, _i, _v, _o) \
+ armada_reg_queue_mod(_r, _i, _v, ~0, _o)
+
+#define armada_reg_queue_end(_r, _i) \
+ armada_reg_queue_mod(_r, _i, 0, 0, ~0)
+
+struct armada_crtc;
+struct armada_variant;
+
+struct armada_crtc {
+ struct drm_crtc crtc;
+ const struct armada_variant *variant;
+ unsigned num;
+ void __iomem *base;
+ struct clk *clk;
+ struct clk *extclk[2];
+ struct {
+ uint32_t spu_v_h_total;
+ uint32_t spu_v_porch;
+ uint32_t spu_adv_reg;
+ } v[2];
+ bool interlaced;
+ bool cursor_update;
+
+ struct armada_gem_object *cursor_obj;
+ int cursor_x;
+ int cursor_y;
+ uint32_t cursor_hw_pos;
+ uint32_t cursor_hw_sz;
+ uint32_t cursor_w;
+ uint32_t cursor_h;
+
+ uint32_t cfg_dumb_ctrl;
+ uint32_t spu_iopad_ctrl;
+
+ spinlock_t irq_lock;
+ uint32_t irq_ena;
+
+ bool update_pending;
+ struct drm_pending_vblank_event *event;
+ struct armada_regs atomic_regs[32];
+ struct armada_regs *regs;
+ unsigned int regs_idx;
+};
+#define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc)
+
+void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *);
+
+extern struct platform_driver armada_lcd_platform_driver;
+
+#endif