media: i2c: add driver for ov9281@30fps

Signed-off-by: Roger Chen <roger.chen@rock-chips.com> Change-Id: I78132163e1fba4fb3fb531040df629b347ab0fa4
2026-06-07 19:30:30 +09:00 · 2021-06-17 19:27:41 +08:00
parent d2fa3651f8
commit f412d2e4aa
1 changed files with 165 additions and 0 deletions
--- a/drivers/media/i2c/ov9281.c
+++ b/drivers/media/i2c/ov9281.c
@@ -80,6 +80,32 @@

 #define OV9281_NAME			"ov9281"

+
+//for SL
+#define OV9282_FPS		30
+#define OV9282_FLIP_ENABLE	1
+#define EXP_DEFAULT_TIME_US	3000
+#define OV9282_DEFAULT_GAIN	1
+
+#define OV9282_VTS_30_FPS	0xe48
+#define OV9282_HTS_30_FPS	0x2d8
+
+#define FPS_HTS_MODE		1
+#if FPS_HTS_MODE
+#define OV9282_VTS		OV9282_VTS_30_FPS
+#define OV9282_HTS		(OV9282_HTS_30_FPS * 30 / OV9282_FPS)
+#else
+#define OV9282_VTS		(OV9282_HTS_30_FPS * 30 / OV9282_FPS)
+#define OV9282_HTS		OV9282_VTS_30_FPS
+#endif
+
+#define TIME_MS			1000
+
+#define OV9282_EXP_TIME_REG	((uint16_t)(EXP_DEFAULT_TIME_US / 1000 * \
+				OV9282_FPS * OV9282_VTS / TIME_MS) << 4)
+#define OV9282_STROBE_TIME_REG	(OV9282_EXP_TIME_REG >> 4)
+
+
 static const char * const ov9281_supply_names[] = {
 	"avdd",		/* Analog power */
 	"dovdd",	/* Digital I/O power */
@@ -246,7 +272,146 @@ static const struct regval ov9281_1280x800_regs[] = {
 	{REG_NULL, 0x00},
 };

+
+static const struct regval ov9281_1280x800_30fps_regs[] = {
+	{0x0103, 0x01},/* software sleep */
+	{0x0100, 0x00},/* software reset */
+
+	/* use 20171222 strobe ok data ok */
+	{0x0302, 0x32},
+	{0x030d, 0x50},
+	{0x030e, 0x02},
+	{0x3001, 0x00},
+	{0x3004, 0x00},
+	{0x3005, 0x00},
+	{0x3011, 0x0a},
+	{0x3013, 0x18},
+	{0x3022, 0x01},
+	{0x3030, 0x10},
+	{0x3039, 0x32},
+	{0x303a, 0x00},
+	{0x3500, 0x00}, //exposure[19:16]
+	{0x3501, 0x2a}, //exposure[15:8]
+	{0x3502, 0x90}, //exposure[7:0]
+	{0x3503, 0x08}, //exposure change delay 1 frame,gain change select
+	{0x3505, 0x8c},
+	{0x3507, 0x03},
+	{0x3508, 0x00},
+	{0x3509, ((OV9282_DEFAULT_GAIN & 0x0f) << 4)}, //gain   (gain<<4)
+	{0x3610, 0x80},
+	{0x3611, 0xa0},
+	{0x3620, 0x6f},
+	{0x3632, 0x56},
+	{0x3633, 0x78},
+	{0x3662, 0x05},
+	{0x3666, 0x00},
+	{0x366f, 0x5a},
+	{0x3680, 0x84},
+	{0x3712, 0x80},
+	{0x372d, 0x22},
+	{0x3731, 0x80},
+	{0x3732, 0x30},
+	{0x3778, 0x00},
+	{0x377d, 0x22},
+	{0x3788, 0x02},
+	{0x3789, 0xa4},
+	{0x378a, 0x00},
+	{0x378b, 0x4a},
+	{0x3799, 0x20},
+	{0x3800, 0x00},
+	{0x3801, 0x00},
+	{0x3802, 0x00},
+	{0x3803, 0x00},
+	{0x3804, 0x05},
+	{0x3805, 0x0f},
+	{0x3806, 0x03},
+	{0x3807, 0x2f},
+	{0x3808, 0x05},
+	{0x3809, 0x00},
+	{0x380a, 0x03}, /* 1280x800 output */
+	{0x380b, 0x20},
+	{0x380c, (OV9282_HTS >> 8)},
+	{0x380d, (OV9282_HTS & 0xff)},
+
+	{0x380e, OV9282_VTS >> 8},
+	{0x380f, OV9282_VTS & 0xff},
+
+	{0x3810, 0x00},
+	{0x3811, 0x08},
+	{0x3812, 0x00},
+	{0x3813, 0x08}, /* 1280x800 v offset */
+	{0x3814, 0x11},
+	{0x3815, 0x11},
+#if OV9282_FLIP_ENABLE
+	{0x3820, 0x40},
+	{0x3821, 0x04},
+#else
+	{0x3820, 0x44},
+	{0x3821, 0x00},
+#endif
+	{0x3881, 0x42},
+	{0x38b1, 0x00},
+	{0x3920, 0xff},
+	{0x4003, 0x40},
+	{0x4008, 0x04},
+	{0x4009, 0x0b},
+	{0x400c, 0x00},
+	{0x400d, 0x07},
+	{0x4010, 0x40},
+	{0x4043, 0x40},
+	{0x4307, 0x30},
+	{0x4317, 0x00},
+	{0x4501, 0x00},
+	{0x4507, 0x00},
+	{0x4509, 0x00},
+	{0x450a, 0x08},
+	{0x4601, 0x04},
+	{0x470f, 0x00},
+	{0x4f07, 0x00},
+	{0x4800, 0x00},
+	{0x5000, 0x9f},
+	{0x5001, 0x00},
+	{0x5e00, 0x00},  //color bar
+	{0x5d00, 0x07},
+	{0x5d01, 0x00},
+	/* for vsync width 630us */
+	{0x4311, 0xc8},
+	{0x4312, 0x00},
+	//{0x0100, 0x01},
+
+	/* for strobe */
+	{0x3006, 0x0a},
+
+	/* exposure control */
+	{0x3500, 0x00},				//exposure[19:16]
+	{0x3501, OV9282_EXP_TIME_REG >> 8},	//exposure[15:8]
+	{0x3502, OV9282_EXP_TIME_REG & 0xff},	//exposure[7:0]  //low4 bit fraction bit
+
+	/* for strobe control */
+	//{0x3921,0x00},  //bit[7] shift direction, default 0 positive
+	{0x3924, 0x00},  //strobe shift[7:0]
+	{0x3925, 0x00},  //span[31:24]
+	{0x3926, 0x00},  //span[23:16]
+
+	{0x3927, OV9282_STROBE_TIME_REG >> 8},	//span[15:8]
+	{0x3928, OV9282_STROBE_TIME_REG & 0xff},//span[7:0]  exposure 0xa4
+	{REG_NULL, 0x00},
+};
+
 static const struct ov9281_mode supported_modes[] = {
+	{
+		.width = 1280,
+		.height = 800,
+		.max_fps = {
+			.numerator = 10000,
+			.denominator = 300000,
+		},
+		.exp_def = 0x0320,
+		.hts_def = 0x02d8,
+		.vts_def = 0x0e48,
+		.reg_list = ov9281_1280x800_30fps_regs,
+	},
+
 	{
 		.width = 1280,
 		.height = 800,