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openwrt/target/linux/at91/patches-5.10/157-media-atmel-atmel-isc-specialize-gamma-table-into-pr.patch
Rui Salvaterra 05ed7dc50d kernel: bump 5.10 to 5.10.103 
Patches automatically rebased.

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
2022-03-05 21:05:45 +01:00

188 lines
8.3 KiB
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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(-)
--- 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_
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_devi
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);
--- 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;
--- 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 platfo
return ret;
}
+ isc->gamma_table = isc_sama5d2_gamma_table;
+ isc->gamma_max = 2;
+
ret = isc_pipeline_init(isc);
if (ret)
return ret;
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