Initial revision

[karo-tx-uboot.git] / include / devices.h

diff --git a/include/devices.h b/include/devices.h
new file mode 100644 (file)
index 0000000..b1e1ebd
--- /dev/null
+++ b/include/devices.h
@@ -0,0 +1,109 @@
+/*
+ * (C) Copyright 2000
+ * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.         See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <lists.h>
+
+#ifndef _DEVICES_H_
+#define _DEVICES_H_
+
+/*
+ * CONSOLE DEVICES
+ */
+
+#define DEV_FLAGS_INPUT         0x00000001     /* Device can be used as input  console */
+#define DEV_FLAGS_OUTPUT 0x00000002    /* Device can be used as output console */
+#define DEV_FLAGS_SYSTEM 0x80000000    /* Device is a system device            */
+#define DEV_EXT_VIDEO   0x00000001     /* Video extensions supported           */
+
+/* Device informations */
+typedef struct {
+       int     flags;                  /* Device flags: input/output/system    */
+       int     ext;                    /* Supported extensions                 */
+       char    name[8];                /* Device name                          */
+
+/* GENERAL functions */
+
+       int (*start) (void);            /* To start the device                  */
+       int (*stop) (void);             /* To stop the device                   */
+
+/* OUTPUT functions */
+
+       void (*putc) (const char c);    /* To put a char                        */
+       void (*puts) (const char *s);   /* To put a string (accelerator)        */
+
+/* INPUT functions */
+
+       int (*tstc) (void);             /* To test if a char is ready...        */
+       int (*getc) (void);             /* To get that char                     */
+
+/* Other functions */
+
+       void *priv;                     /* Private extensions                   */
+} device_t;
+
+/*
+ * VIDEO EXTENSIONS
+ */
+#define VIDEO_FORMAT_RGB_INDEXED       0x0000
+#define VIDEO_FORMAT_RGB_DIRECTCOLOR   0x0001
+#define VIDEO_FORMAT_YUYV_4_4_4                0x0010
+#define VIDEO_FORMAT_YUYV_4_2_2                0x0011
+
+typedef struct {
+       void *address;                  /* Address of framebuffer               */
+       ushort  width;                  /* Horizontal resolution                */
+       ushort  height;                 /* Vertical resolution                  */
+       uchar   format;                 /* Format                               */
+       uchar   colors;                 /* Colors number or color depth         */
+       void (*setcolreg) (int, int, int, int);
+       void (*getcolreg) (int, void *);
+} video_ext_t;
+
+/*
+ * VARIABLES
+ */
+extern list_t devlist;
+extern device_t *stdio_devices[];
+extern char *stdio_names[MAX_FILES];
+
+/*
+ * PROTOTYPES
+ */
+int    device_register (device_t * dev);
+int    devices_init (void);
+int    devices_done (void);
+int    device_deregister(char *devname);
+#ifdef CONFIG_LCD
+int    drv_lcd_init (void);
+#endif
+#ifdef CONFIG_VFD
+int    drv_vfd_init (void);
+#endif
+#ifdef CONFIG_VIDEO
+int    drv_video_init (void);
+#endif
+#ifdef CONFIG_WL_4PPM_KEYBOARD
+int    drv_wlkbd_init (void);
+#endif
+
+#endif /* _DEVICES_H_ */