--- /dev/null
+From c3f54d192dc7344c5216a3628b67c4bbccbf8c3c Mon Sep 17 00:00:00 2001
+From: Eugen Hristev <eugen.hristev@microchip.com>
+Date: Tue, 13 Apr 2021 12:56:59 +0200
+Subject: [PATCH 157/247] media: atmel: atmel-isc: specialize gamma table into
+ product specific
+
+Separate the gamma table from the isc base file into the specific sama5d2
+product file.
+Add a pointer to the gamma table and entries count inside the platform
+driver specific struct.
+
+[hverkuil: made isc_sama5d2_gamma_table static]
+
+Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
+Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
+Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
+---
+ drivers/media/platform/atmel/atmel-isc-base.c | 47 ++-----------------
+ drivers/media/platform/atmel/atmel-isc.h | 11 +++--
+ .../media/platform/atmel/atmel-sama5d2-isc.c | 45 ++++++++++++++++++
+ 3 files changed, 56 insertions(+), 47 deletions(-)
+
+diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
+index a017572c870c..46d384332a58 100644
+--- a/drivers/media/platform/atmel/atmel-isc-base.c
++++ b/drivers/media/platform/atmel/atmel-isc-base.c
+@@ -176,48 +176,6 @@ struct isc_format formats_list[] = {
+
+ };
+
+-/* Gamma table with gamma 1/2.2 */
+-const u32 isc_gamma_table[GAMMA_MAX + 1][GAMMA_ENTRIES] = {
+- /* 0 --> gamma 1/1.8 */
+- { 0x65, 0x66002F, 0x950025, 0xBB0020, 0xDB001D, 0xF8001A,
+- 0x1130018, 0x12B0017, 0x1420016, 0x1580014, 0x16D0013, 0x1810012,
+- 0x1940012, 0x1A60012, 0x1B80011, 0x1C90010, 0x1DA0010, 0x1EA000F,
+- 0x1FA000F, 0x209000F, 0x218000F, 0x227000E, 0x235000E, 0x243000E,
+- 0x251000E, 0x25F000D, 0x26C000D, 0x279000D, 0x286000D, 0x293000C,
+- 0x2A0000C, 0x2AC000C, 0x2B8000C, 0x2C4000C, 0x2D0000B, 0x2DC000B,
+- 0x2E7000B, 0x2F3000B, 0x2FE000B, 0x309000B, 0x314000B, 0x31F000A,
+- 0x32A000A, 0x334000B, 0x33F000A, 0x349000A, 0x354000A, 0x35E000A,
+- 0x368000A, 0x372000A, 0x37C000A, 0x386000A, 0x3900009, 0x399000A,
+- 0x3A30009, 0x3AD0009, 0x3B60009, 0x3BF000A, 0x3C90009, 0x3D20009,
+- 0x3DB0009, 0x3E40009, 0x3ED0009, 0x3F60009 },
+-
+- /* 1 --> gamma 1/2 */
+- { 0x7F, 0x800034, 0xB50028, 0xDE0021, 0x100001E, 0x11E001B,
+- 0x1390019, 0x1520017, 0x16A0015, 0x1800014, 0x1940014, 0x1A80013,
+- 0x1BB0012, 0x1CD0011, 0x1DF0010, 0x1EF0010, 0x200000F, 0x20F000F,
+- 0x21F000E, 0x22D000F, 0x23C000E, 0x24A000E, 0x258000D, 0x265000D,
+- 0x273000C, 0x27F000D, 0x28C000C, 0x299000C, 0x2A5000C, 0x2B1000B,
+- 0x2BC000C, 0x2C8000B, 0x2D3000C, 0x2DF000B, 0x2EA000A, 0x2F5000A,
+- 0x2FF000B, 0x30A000A, 0x314000B, 0x31F000A, 0x329000A, 0x333000A,
+- 0x33D0009, 0x3470009, 0x350000A, 0x35A0009, 0x363000A, 0x36D0009,
+- 0x3760009, 0x37F0009, 0x3880009, 0x3910009, 0x39A0009, 0x3A30009,
+- 0x3AC0008, 0x3B40009, 0x3BD0008, 0x3C60008, 0x3CE0008, 0x3D60009,
+- 0x3DF0008, 0x3E70008, 0x3EF0008, 0x3F70008 },
+-
+- /* 2 --> gamma 1/2.2 */
+- { 0x99, 0x9B0038, 0xD4002A, 0xFF0023, 0x122001F, 0x141001B,
+- 0x15D0019, 0x1760017, 0x18E0015, 0x1A30015, 0x1B80013, 0x1CC0012,
+- 0x1DE0011, 0x1F00010, 0x2010010, 0x2110010, 0x221000F, 0x230000F,
+- 0x23F000E, 0x24D000E, 0x25B000D, 0x269000C, 0x276000C, 0x283000C,
+- 0x28F000C, 0x29B000C, 0x2A7000C, 0x2B3000B, 0x2BF000B, 0x2CA000B,
+- 0x2D5000B, 0x2E0000A, 0x2EB000A, 0x2F5000A, 0x2FF000A, 0x30A000A,
+- 0x3140009, 0x31E0009, 0x327000A, 0x3310009, 0x33A0009, 0x3440009,
+- 0x34D0009, 0x3560009, 0x35F0009, 0x3680008, 0x3710008, 0x3790009,
+- 0x3820008, 0x38A0008, 0x3930008, 0x39B0008, 0x3A30008, 0x3AB0008,
+- 0x3B30008, 0x3BB0008, 0x3C30008, 0x3CB0007, 0x3D20008, 0x3DA0007,
+- 0x3E20007, 0x3E90007, 0x3F00008, 0x3F80007 },
+-};
+-
+ #define ISC_IS_FORMAT_RAW(mbus_code) \
+ (((mbus_code) & 0xf000) == 0x3000)
+
+@@ -691,7 +649,7 @@ static void isc_set_pipeline(struct isc_device *isc, u32 pipeline)
+
+ regmap_write(regmap, ISC_CFA_CFG, bay_cfg | ISC_CFA_CFG_EITPOL);
+
+- gamma = &isc_gamma_table[ctrls->gamma_index][0];
++ gamma = &isc->gamma_table[ctrls->gamma_index][0];
+ regmap_bulk_write(regmap, ISC_GAM_BENTRY, gamma, GAMMA_ENTRIES);
+ regmap_bulk_write(regmap, ISC_GAM_GENTRY, gamma, GAMMA_ENTRIES);
+ regmap_bulk_write(regmap, ISC_GAM_RENTRY, gamma, GAMMA_ENTRIES);
+@@ -2085,7 +2043,8 @@ static int isc_ctrl_init(struct isc_device *isc)
+
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BRIGHTNESS, -1024, 1023, 1, 0);
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -2048, 2047, 1, 256);
+- v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAMMA, 0, GAMMA_MAX, 1, 2);
++ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAMMA, 0, isc->gamma_max, 1,
++ isc->gamma_max);
+ isc->awb_ctrl = v4l2_ctrl_new_std(hdl, &isc_awb_ops,
+ V4L2_CID_AUTO_WHITE_BALANCE,
+ 0, 1, 1, 1);
+diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h
+index 24b784b893d6..a85b99274e34 100644
+--- a/drivers/media/platform/atmel/atmel-isc.h
++++ b/drivers/media/platform/atmel/atmel-isc.h
+@@ -186,6 +186,10 @@ struct isc_ctrls {
+ *
+ * @current_subdev: current subdevice: the sensor
+ * @subdev_entities: list of subdevice entitites
++ *
++ * @gamma_table: pointer to the table with gamma values, has
++ * gamma_max sets of GAMMA_ENTRIES entries each
++ * @gamma_max: maximum number of sets of inside the gamma_table
+ */
+ struct isc_device {
+ struct regmap *regmap;
+@@ -244,16 +248,17 @@ struct isc_device {
+ struct v4l2_ctrl *gr_off_ctrl;
+ struct v4l2_ctrl *gb_off_ctrl;
+ };
+-};
+
+-#define GAMMA_MAX 2
+ #define GAMMA_ENTRIES 64
++ /* pointer to the defined gamma table */
++ const u32 (*gamma_table)[GAMMA_ENTRIES];
++ u32 gamma_max;
++};
+
+ #define ATMEL_ISC_NAME "atmel-isc"
+
+ extern struct isc_format formats_list[];
+ extern const struct isc_format controller_formats[];
+-extern const u32 isc_gamma_table[GAMMA_MAX + 1][GAMMA_ENTRIES];
+ extern const struct regmap_config isc_regmap_config;
+ extern const struct v4l2_async_notifier_operations isc_async_ops;
+
+diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
+index a3304f49e499..1b537cd1e09e 100644
+--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
++++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
+@@ -54,6 +54,48 @@
+
+ #define ISC_CLK_MAX_DIV 255
+
++/* Gamma table with gamma 1/2.2 */
++static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
++ /* 0 --> gamma 1/1.8 */
++ { 0x65, 0x66002F, 0x950025, 0xBB0020, 0xDB001D, 0xF8001A,
++ 0x1130018, 0x12B0017, 0x1420016, 0x1580014, 0x16D0013, 0x1810012,
++ 0x1940012, 0x1A60012, 0x1B80011, 0x1C90010, 0x1DA0010, 0x1EA000F,
++ 0x1FA000F, 0x209000F, 0x218000F, 0x227000E, 0x235000E, 0x243000E,
++ 0x251000E, 0x25F000D, 0x26C000D, 0x279000D, 0x286000D, 0x293000C,
++ 0x2A0000C, 0x2AC000C, 0x2B8000C, 0x2C4000C, 0x2D0000B, 0x2DC000B,
++ 0x2E7000B, 0x2F3000B, 0x2FE000B, 0x309000B, 0x314000B, 0x31F000A,
++ 0x32A000A, 0x334000B, 0x33F000A, 0x349000A, 0x354000A, 0x35E000A,
++ 0x368000A, 0x372000A, 0x37C000A, 0x386000A, 0x3900009, 0x399000A,
++ 0x3A30009, 0x3AD0009, 0x3B60009, 0x3BF000A, 0x3C90009, 0x3D20009,
++ 0x3DB0009, 0x3E40009, 0x3ED0009, 0x3F60009 },
++
++ /* 1 --> gamma 1/2 */
++ { 0x7F, 0x800034, 0xB50028, 0xDE0021, 0x100001E, 0x11E001B,
++ 0x1390019, 0x1520017, 0x16A0015, 0x1800014, 0x1940014, 0x1A80013,
++ 0x1BB0012, 0x1CD0011, 0x1DF0010, 0x1EF0010, 0x200000F, 0x20F000F,
++ 0x21F000E, 0x22D000F, 0x23C000E, 0x24A000E, 0x258000D, 0x265000D,
++ 0x273000C, 0x27F000D, 0x28C000C, 0x299000C, 0x2A5000C, 0x2B1000B,
++ 0x2BC000C, 0x2C8000B, 0x2D3000C, 0x2DF000B, 0x2EA000A, 0x2F5000A,
++ 0x2FF000B, 0x30A000A, 0x314000B, 0x31F000A, 0x329000A, 0x333000A,
++ 0x33D0009, 0x3470009, 0x350000A, 0x35A0009, 0x363000A, 0x36D0009,
++ 0x3760009, 0x37F0009, 0x3880009, 0x3910009, 0x39A0009, 0x3A30009,
++ 0x3AC0008, 0x3B40009, 0x3BD0008, 0x3C60008, 0x3CE0008, 0x3D60009,
++ 0x3DF0008, 0x3E70008, 0x3EF0008, 0x3F70008 },
++
++ /* 2 --> gamma 1/2.2 */
++ { 0x99, 0x9B0038, 0xD4002A, 0xFF0023, 0x122001F, 0x141001B,
++ 0x15D0019, 0x1760017, 0x18E0015, 0x1A30015, 0x1B80013, 0x1CC0012,
++ 0x1DE0011, 0x1F00010, 0x2010010, 0x2110010, 0x221000F, 0x230000F,
++ 0x23F000E, 0x24D000E, 0x25B000D, 0x269000C, 0x276000C, 0x283000C,
++ 0x28F000C, 0x29B000C, 0x2A7000C, 0x2B3000B, 0x2BF000B, 0x2CA000B,
++ 0x2D5000B, 0x2E0000A, 0x2EB000A, 0x2F5000A, 0x2FF000A, 0x30A000A,
++ 0x3140009, 0x31E0009, 0x327000A, 0x3310009, 0x33A0009, 0x3440009,
++ 0x34D0009, 0x3560009, 0x35F0009, 0x3680008, 0x3710008, 0x3790009,
++ 0x3820008, 0x38A0008, 0x3930008, 0x39B0008, 0x3A30008, 0x3AB0008,
++ 0x3B30008, 0x3BB0008, 0x3C30008, 0x3CB0007, 0x3D20008, 0x3DA0007,
++ 0x3E20007, 0x3E90007, 0x3F00008, 0x3F80007 },
++};
++
+ static int isc_parse_dt(struct device *dev, struct isc_device *isc)
+ {
+ struct device_node *np = dev->of_node;
+@@ -171,6 +213,9 @@ static int atmel_isc_probe(struct platform_device *pdev)
+ return ret;
+ }
+
++ isc->gamma_table = isc_sama5d2_gamma_table;
++ isc->gamma_max = 2;
++
+ ret = isc_pipeline_init(isc);
+ if (ret)
+ return ret;
+--
+2.32.0
+
projects / openwrt / staging / chunkeey.git / blobdiff