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Date:   Sat,  7 Mar 2020 00:56:36 +0000
From:   Lad Prabhakar <prabhakar.csengg@...il.com>
To:     Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v3] media: i2c: imx219: Add support for cropped 640x480 resolution

This patch adds mode table entry for capturing cropped 640x480 resolution

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
Hi All,

This patch is part of series [1] ("[PATCH v2 0/3] media: i2c: imx219:
Feature enhancements), rest of patches have been acked by Dave except
this one. I have fixed Daves's comments in this version of the patch.

[1] https://lore.kernel.org/patchwork/project/lkml/list/?series=432780&
    submitter=&state=*&q=&archive=&delegate=

v2->3
 * Corrected the mode value in comment

v1->v2:
 * Fixed fps setting for 640x480 and switched to auto mode.

 drivers/media/i2c/imx219.c | 70 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 69 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
index f96f3ce9fd85..0e3567af5300 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -54,6 +54,7 @@
 #define IMX219_VTS_15FPS		0x0dc6
 #define IMX219_VTS_30FPS_1080P		0x06e3
 #define IMX219_VTS_30FPS_BINNED		0x06e3
+#define IMX219_VTS_30FPS_640x480	0x06e3
 #define IMX219_VTS_MAX			0xffff
 
 #define IMX219_VBLANK_MIN		4
@@ -143,7 +144,7 @@ struct imx219_mode {
 /*
  * Register sets lifted off the i2C interface from the Raspberry Pi firmware
  * driver.
- * 3280x2464 = mode 2, 1920x1080 = mode 1, and 1640x1232 = mode 4.
+ * 3280x2464 = mode 2, 1920x1080 = mode 1, 1640x1232 = mode 4, 640x480 = mode 7.
  */
 static const struct imx219_reg mode_3280x2464_regs[] = {
 	{0x0100, 0x00},
@@ -318,6 +319,63 @@ static const struct imx219_reg mode_1640_1232_regs[] = {
 	{0x0163, 0x78},
 };
 
+static const struct imx219_reg mode_640_480_regs[] = {
+	{0x0100, 0x00},
+	{0x30eb, 0x05},
+	{0x30eb, 0x0c},
+	{0x300a, 0xff},
+	{0x300b, 0xff},
+	{0x30eb, 0x05},
+	{0x30eb, 0x09},
+	{0x0114, 0x01},
+	{0x0128, 0x00},
+	{0x012a, 0x18},
+	{0x012b, 0x00},
+	{0x0162, 0x0d},
+	{0x0163, 0x78},
+	{0x0164, 0x03},
+	{0x0165, 0xe8},
+	{0x0166, 0x08},
+	{0x0167, 0xe7},
+	{0x0168, 0x02},
+	{0x0169, 0xf0},
+	{0x016a, 0x06},
+	{0x016b, 0xaf},
+	{0x016c, 0x02},
+	{0x016d, 0x80},
+	{0x016e, 0x01},
+	{0x016f, 0xe0},
+	{0x0170, 0x01},
+	{0x0171, 0x01},
+	{0x0174, 0x03},
+	{0x0175, 0x03},
+	{0x0301, 0x05},
+	{0x0303, 0x01},
+	{0x0304, 0x03},
+	{0x0305, 0x03},
+	{0x0306, 0x00},
+	{0x0307, 0x39},
+	{0x030b, 0x01},
+	{0x030c, 0x00},
+	{0x030d, 0x72},
+	{0x0624, 0x06},
+	{0x0625, 0x68},
+	{0x0626, 0x04},
+	{0x0627, 0xd0},
+	{0x455e, 0x00},
+	{0x471e, 0x4b},
+	{0x4767, 0x0f},
+	{0x4750, 0x14},
+	{0x4540, 0x00},
+	{0x47b4, 0x14},
+	{0x4713, 0x30},
+	{0x478b, 0x10},
+	{0x478f, 0x10},
+	{0x4793, 0x10},
+	{0x4797, 0x0e},
+	{0x479b, 0x0e},
+};
+
 static const char * const imx219_test_pattern_menu[] = {
 	"Disabled",
 	"Color Bars",
@@ -424,6 +482,16 @@ static const struct imx219_mode supported_modes[] = {
 			.regs = mode_1640_1232_regs,
 		},
 	},
+	{
+		/* 640x480 30fps mode */
+		.width = 640,
+		.height = 480,
+		.vts_def = IMX219_VTS_30FPS_640x480,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_640_480_regs),
+			.regs = mode_640_480_regs,
+		},
+	},
 };
 
 struct imx219 {
-- 
2.20.1

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