feat: gfxm: a layer provides user space access to low level interfacing of graphic...

[lunaix-os.git] / lunaix-os / includes / hal / gfxm.h

diff --git a/lunaix-os/includes/hal/gfxm.h b/lunaix-os/includes/hal/gfxm.h
new file mode 100644 (file)
index 0000000..bb30d50
--- /dev/null
+++ b/lunaix-os/includes/hal/gfxm.h
@@ -0,0 +1,74 @@
+#ifndef __LUNAIX_GFXM_H
+#define __LUNAIX_GFXM_H
+
+#include <lunaix/device.h>
+#include <usr/lunaix/gfx.h>
+
+struct gfxa;
+
+struct disp_profile
+{
+    struct gfxa_mon mon;
+
+    struct
+    {
+        color_t* val;
+        size_t len;
+    } clut;
+};
+
+struct gfxa_ops
+{
+    int (*update_profile)(struct gfxa*);
+    /**
+     * @brief Read adapter registers
+     *
+     */
+    int (*rreads)(struct gfxa*, u32_t* map, void* rxbuf, size_t map_sz);
+    /**
+     * @brief Write adapter registers
+     *
+     */
+    int (*rwrites)(struct gfxa*, u32_t* map, void* txbuf, size_t map_sz);
+    /**
+     * @brief send data to VRAM
+     *
+     */
+    int (*vmcpy)(struct gfxa*, void*, off_t, size_t);
+    /**
+     * @brief send logical frame buffer to adapter
+     *
+     */
+    int (*lfbcpy)(struct gfxa*, void*, off_t, size_t);
+    /**
+     * @brief Execute hardware dependent ioctl command
+     *
+     */
+    int (*hwioctl)(struct gfxa*, int, va_list);
+};
+
+struct gfxa
+{
+    struct device* dev;
+    struct llist_header gfxas;
+    struct hlist_node gfxas_id;
+    struct disp_profile disp_info;
+    int id;
+    void* hw_obj;
+
+    struct gfxa_ops ops;
+};
+
+struct gfxa*
+gfxm_alloc_adapter(void* hw_obj);
+
+void
+gfxm_register(struct gfxa*);
+
+struct gfxa*
+gfxm_adapter(int gfxa_id);
+
+int
+gfxm_set_lut(struct gfxa*, color_t* lut, size_t len);
+
+#endif /* __LUNAIX_GFXM_H */
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