[media] solo6x10: add control framework

Note that the MOTION_THRESHOLD functionality has been temporarily reduced: only the global threshold can be set, not the per-block. This will be addressed in a later patch: controls are not the proper way to do this. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
git-mirror · Mar 25, 2013 · c813bd3 · c813bd3
1 parent d9ebd62
commit c813bd3
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Showing 5 changed files with 132 additions and 329 deletions.
diff --git a/drivers/staging/media/solo6x10/solo6x10.h b/drivers/staging/media/solo6x10/solo6x10.h
@@ -38,6 +38,7 @@
 
 #include <media/v4l2-dev.h>
 #include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
 #include <media/videobuf-core.h>
 
 #include "registers.h"
@@ -100,12 +101,12 @@
 #define V4L2_BUF_FLAG_MOTION_ON		0x0400
 #define V4L2_BUF_FLAG_MOTION_DETECTED	0x0800
 #endif
-#ifndef V4L2_CID_MOTION_ENABLE
-#define PRIVATE_CIDS
-#define V4L2_CID_MOTION_ENABLE		(V4L2_CID_PRIVATE_BASE+0)
-#define V4L2_CID_MOTION_THRESHOLD	(V4L2_CID_PRIVATE_BASE+1)
-#define V4L2_CID_MOTION_TRACE		(V4L2_CID_PRIVATE_BASE+2)
-#endif
+
+#define SOLO_CID_CUSTOM_BASE		(V4L2_CID_USER_BASE | 0xf000)
+#define V4L2_CID_MOTION_ENABLE		(SOLO_CID_CUSTOM_BASE+0)
+#define V4L2_CID_MOTION_THRESHOLD	(SOLO_CID_CUSTOM_BASE+1)
+#define V4L2_CID_MOTION_TRACE		(SOLO_CID_CUSTOM_BASE+2)
+#define V4L2_CID_OSD_TEXT		(SOLO_CID_CUSTOM_BASE+3)
 
 enum SOLO_I2C_STATE {
 	IIC_STATE_IDLE,
@@ -137,6 +138,7 @@ struct solo_p2m_dev {
 struct solo_enc_dev {
 	struct solo_dev	*solo_dev;
 	/* V4L2 Items */
+	struct v4l2_ctrl_handler hdl;
 	struct video_device	*vfd;
 	/* General accounting */
 	struct mutex		enable_lock;
@@ -207,6 +209,7 @@ struct solo_dev {
 	unsigned int		frame_blank;
 	u8			cur_disp_ch;
 	wait_queue_head_t	disp_thread_wait;
+	struct v4l2_ctrl_handler disp_hdl;
 
 	/* V4L2 Encoder items */
 	struct solo_enc_dev	*v4l2_enc[SOLO_MAX_CHANNELS];

diff --git a/drivers/staging/media/solo6x10/tw28.c b/drivers/staging/media/solo6x10/tw28.c
@@ -660,6 +660,11 @@ u16 tw28_get_audio_status(struct solo_dev *solo_dev)
 }
 #endif
 
+bool tw28_has_sharpness(struct solo_dev *solo_dev, u8 ch)
+{
+	return is_tw286x(solo_dev, ch / 4);
+}
+
 int tw28_set_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch,
 		      s32 val)
 {
@@ -676,8 +681,6 @@ int tw28_set_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch,
 	switch (ctrl) {
 	case V4L2_CID_SHARPNESS:
 		/* Only 286x has sharpness */
-		if (val > 0x0f || val < 0)
-			return -ERANGE;
 		if (is_tw286x(solo_dev, chip_num)) {
 			u8 v = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,
 						 TW_CHIP_OFFSET_ADDR(chip_num),
@@ -687,8 +690,9 @@ int tw28_set_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch,
 			solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,
 					   TW_CHIP_OFFSET_ADDR(chip_num),
 					   TW286x_SHARPNESS(chip_num), v);
-		} else if (val != 0)
-			return -ERANGE;
+		} else {
+			return -EINVAL;
+		}
 		break;
 
 	case V4L2_CID_HUE:

diff --git a/drivers/staging/media/solo6x10/tw28.h b/drivers/staging/media/solo6x10/tw28.h
@@ -55,6 +55,7 @@ int solo_tw28_init(struct solo_dev *solo_dev);
 
 int tw28_set_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch, s32 val);
 int tw28_get_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch, s32 *val);
+bool tw28_has_sharpness(struct solo_dev *solo_dev, u8 ch);
 
 u8 tw28_get_audio_gain(struct solo_dev *solo_dev, u8 ch);
 void tw28_set_audio_gain(struct solo_dev *solo_dev, u8 ch, u8 val);