Maemo patchset 20101501+0m5

[h-e-n] / include / media / smiaregs.h

diff --git a/include/media/smiaregs.h b/include/media/smiaregs.h
new file mode 100644 (file)
index 0000000..c794294
--- /dev/null
+++ b/include/media/smiaregs.h
@@ -0,0 +1,148 @@
+/*
+ * include/media/smiaregs.h
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ *
+ * Contact: Sakari Ailus <sakari.ailus@nokia.com>
+ *          Tuukka Toivonen <tuukka.o.toivonen@nokia.com>
+ *
+ * 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.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef SMIAREGS_H
+#define SMIAREGS_H
+
+#include <linux/i2c.h>
+#include <linux/types.h>
+#include <linux/videodev2.h>
+
+#define SMIA_MAGIC                     0x531A0002
+
+struct smia_mode {
+       /* Physical sensor resolution and current image window */
+       __u16 sensor_width;
+       __u16 sensor_height;
+       __u16 sensor_window_origin_x;
+       __u16 sensor_window_origin_y;
+       __u16 sensor_window_width;
+       __u16 sensor_window_height;
+
+       /* Image data coming from sensor (after scaling) */
+       __u16 width;
+       __u16 height;
+       __u16 window_origin_x;
+       __u16 window_origin_y;
+       __u16 window_width;
+       __u16 window_height;
+
+       __u32 pixel_clock;              /* in Hz */
+       __u32 ext_clock;                /* in Hz */
+       struct v4l2_fract timeperframe;
+       __u32 max_exp;                  /* Maximum exposure value */
+       __u32 pixel_format;             /* V4L2_PIX_FMT_xxx */
+       __u32 sensitivity;              /* 16.16 fixed point */
+};
+
+#define SMIA_REG_8BIT                  1
+#define SMIA_REG_16BIT                 2
+#define SMIA_REG_32BIT                 4
+#define SMIA_REG_DELAY                 100
+#define SMIA_REG_TERM                  0xff
+struct smia_reg {
+       u16 type;
+       u16 reg;                        /* 16-bit offset */
+       u32 val;                        /* 8/16/32-bit value */
+};
+
+/* Possible struct smia_reglist types. */
+#define SMIA_REGLIST_STANDBY           0
+#define SMIA_REGLIST_POWERON           1
+#define SMIA_REGLIST_RESUME            2
+#define SMIA_REGLIST_STREAMON          3
+#define SMIA_REGLIST_STREAMOFF         4
+#define SMIA_REGLIST_DISABLED          5
+
+#define SMIA_REGLIST_MODE              10
+
+#define SMIA_REGLIST_LSC_ENABLE                100
+#define SMIA_REGLIST_LSC_DISABLE       101
+#define SMIA_REGLIST_ANR_ENABLE                102
+#define SMIA_REGLIST_ANR_DISABLE       103
+
+struct smia_reglist {
+       u32 type;
+       struct smia_mode mode;
+       struct smia_reg regs[];
+};
+
+#define SMIA_MAX_LEN                   32
+struct smia_meta_reglist {
+       u32 magic;
+       char version[SMIA_MAX_LEN];
+       /*
+        * When we generate a reglist, the objcopy program will put
+        * here the list of addresses to reglists local to that object
+        * file.
+        *
+        * In the kernel they serve as offsets inside the the register
+        * list binary.
+        *
+        * The list must be NULL-terminated. That is expected by the
+        * drivers.
+        */
+       union {
+               uintptr_t offset;
+               struct smia_reglist *ptr;
+       } reglist[];
+};
+
+int smia_ctrl_find(struct v4l2_queryctrl *ctrls, size_t nctrls, int id);
+int smia_ctrl_find_next(struct v4l2_queryctrl *ctrls, size_t nctrls, int id);
+int smia_ctrl_query(struct v4l2_queryctrl *ctrls, size_t nctrls,
+                   struct v4l2_queryctrl *a);
+int smia_mode_query(const __u32 *ctrls, size_t nctrls, struct v4l2_queryctrl *a);
+int smia_mode_g_ctrl(const __u32 *ctrls, size_t nctrls, struct v4l2_control *vc,
+                    const struct smia_mode *sm);
+
+int smia_reglist_import(struct smia_meta_reglist *meta);
+struct smia_reglist *smia_reglist_find_type(struct smia_meta_reglist *meta,
+                                           u16 type);
+struct smia_reglist **smia_reglist_first(struct smia_meta_reglist *meta);
+struct smia_reglist *smia_reglist_find_mode_fmt(
+       struct smia_meta_reglist *meta,
+       struct smia_reglist *current_reglist,
+       struct v4l2_format *f);
+struct smia_reglist *smia_reglist_find_mode_streamparm(
+       struct smia_meta_reglist *meta,
+       struct smia_reglist *current_reglist,
+       struct v4l2_streamparm *a);
+int smia_reglist_enum_fmt(struct smia_meta_reglist *meta,
+                         struct v4l2_fmtdesc *f);
+int smia_reglist_enum_framesizes(struct smia_meta_reglist *meta,
+                                struct v4l2_frmsizeenum *frm);
+int smia_reglist_enum_frameintervals(struct smia_meta_reglist *meta,
+                                    struct v4l2_frmivalenum *frm);
+
+int smia_i2c_read_reg(struct i2c_client *client, u16 data_length,
+                     u16 reg, u32 *val);
+int smia_i2c_write_reg(struct i2c_client *client, u16 data_length, u16 reg,
+                      u32 val);
+int smia_i2c_write_regs(struct i2c_client *client,
+                       const struct smia_reg reglist[]);
+int smia_i2c_reglist_find_write(struct i2c_client *client,
+                               struct smia_meta_reglist *meta, u16 type);
+
+#endif