shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 04:10:18 +09:00
Code Issues Packages Projects Releases Wiki Activity

media: i2c: add tp9950 driver

Browse Source 
Signed-off-by: Su Yuefu <yuefu.su@rock-chips.com>
Change-Id: Ie3c9ebab575717d26beaded23314c9504828d500
This commit is contained in:
Su Yuefu
2022-02-16 16:32:15 +08:00
committed by Tao Huang
parent f3578f1e73
commit 8ccfd6aac0
6 changed files with 582 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/media/i2c/techpoint/Makefile
View File

@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
techpoint-objs += techpoint_v4l2.o techpoint_dev.o \
techpoint_tp9930.o techpoint_tp2855.o
techpoint_tp9930.o techpoint_tp2855.o \
techpoint_tp9950.o
obj-$(CONFIG_VIDEO_TECHPOINT) += techpoint.o

10
drivers/media/i2c/techpoint/techpoint_common.h
View File

@@ -2,7 +2,7 @@
/*
* Rockchip CIF Driver
*
* Copyright (C) 2021 Rockchip Electronics Co., Ltd.
* Copyright (C) 2022 Rockchip Electronics Co., Ltd.
*/
#ifndef _TECHPOINT_COMMON_H
@@ -28,11 +28,12 @@
#include <linux/rk-preisp.h>
#include <linux/sched.h>
#include <linux/kthread.h>
#include <linux/of.h>
#include <linux/of_graph.h>
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x0)
#define TECHPOINT_CAMERA_XVCLK_FREQ "xvclk_freq"
#define TECHPOINT_CHANNEL_NUMS "channel_nums"
#define TECHPOINT_TEST_PATTERN 0
#define DEF_1080P 1
@@ -50,6 +51,7 @@ enum techpoint_chips {
CHIP_TP2855,
CHIP_TP2815,
CHIP_TP9930,
CHIP_TP9950,
};
enum techpoint_input_type {
@@ -63,6 +65,8 @@ enum techpoint_support_reso {
TECHPOINT_S_RESO_1080P_25,
TECHPOINT_S_RESO_720P_30,
TECHPOINT_S_RESO_1080P_30,
TECHPOINT_S_RESO_PAL,
TECHPOINT_S_RESO_NTSC,
TECHPOINT_S_RESO_NUMS,
};
@@ -123,7 +127,7 @@ struct techpoint {
struct techpoint_audio *audio_in;
struct techpoint_audio *audio_out;
int i2c_idx;
u32 channel_nums;
u32 data_lanes;
enum techpoint_chips chip_id;
struct techpoint_video_modes *video_modes;

17
drivers/media/i2c/techpoint/techpoint_dev.c
View File

@@ -2,13 +2,14 @@
/*
* techpoint dev driver
*
* Copyright (C) 2021 Rockchip Electronics Co., Ltd.
* Copyright (C) 2022 Rockchip Electronics Co., Ltd.
*
* V0.0X01.0X00 first version.
*/
#include "techpoint_dev.h"
#include "techpoint_tp9930.h"
#include "techpoint_tp9950.h"
#include "techpoint_tp2855.h"
#include "techpoint_tp2815.h"
@@ -118,6 +119,13 @@ static int check_chip_id(struct techpoint *techpoint)
techpoint->chip_id = CHIP_TP2855;
techpoint->input_type = TECHPOINT_MIPI;
return 0;
} else if (chip_id_h == TP9950_CHIP_ID_H_VALUE &&
chip_id_l == TP9950_CHIP_ID_L_VALUE) {
dev_info(&client->dev,
"techpoint check chip id CHIP_TP9950 !\n");
techpoint->chip_id = CHIP_TP9950;
techpoint->input_type = TECHPOINT_MIPI;
return 0;
} else {
dev_info(&client->dev, "techpoint check chip id failed !\n");
}
@@ -134,6 +142,8 @@ int techpoint_initialize_devices(struct techpoint *techpoint)
tp9930_initialize(techpoint);
} else if (techpoint->chip_id == CHIP_TP2855) {
tp2855_initialize(techpoint);
} else if (techpoint->chip_id == CHIP_TP9950) {
tp9950_initialize(techpoint);
}
sema_init(&reg_sem, 1);
@@ -258,6 +268,11 @@ static __maybe_unused int auto_detect_channel_fmt(struct techpoint *techpoint)
}
}
if (techpoint->chip_id == CHIP_TP9950) {
reso = tp9950_get_channel_reso(client, 0);
tp9950_set_channel_reso(client, 0, reso);
}
up(&reg_sem);
return 0;

435
drivers/media/i2c/techpoint/techpoint_tp9950.c Normal file
View File

@@ -0,0 +1,435 @@
// SPDX-License-Identifier: GPL-2.0
/*
* techpoint lib
*
* Copyright (C) 2022 Rockchip Electronics Co., Ltd.
*/
#include "techpoint_tp9950.h"
#include "techpoint_dev.h"
static struct techpoint_video_modes supported_modes[] = {
#if TP9950_DEF_PAL
{
.bus_fmt = MEDIA_BUS_FMT_UYVY8_2X8,
.width = 960,
.height = 576,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
.link_freq_value = TP9950_LINK_FREQ_148M,
.common_reg_list = NULL,
.common_reg_size = 0,
.bpp = TP9950_BITS_PER_SAMPLE,
.lane = TP9950_LANES,
.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0,
.vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_1,
.vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_2,
.vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_3,
},
#endif
#if TP9950_DEF_NTSC
{
.bus_fmt = MEDIA_BUS_FMT_UYVY8_2X8,
.width = 960,
.height = 480,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
.link_freq_value = TP9950_LINK_FREQ_148M,
.common_reg_list = NULL,
.common_reg_size = 0,
.bpp = TP9950_BITS_PER_SAMPLE,
.lane = TP9950_LANES,
.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0,
.vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_1,
.vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_2,
.vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_3,
},
#endif
#if TP9950_DEF_1080P
{
.bus_fmt = MEDIA_BUS_FMT_UYVY8_2X8,
.width = 1920,
.height = 1080,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
.link_freq_value = TP9950_LINK_FREQ_594M,
.link_freq_value = TP9950_LINK_FREQ_297M,
.common_reg_list = NULL,
.common_reg_size = 0,
.bpp = TP9950_BITS_PER_SAMPLE,
.lane = TP9950_LANES,
.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0,
.vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_1,
.vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_2,
.vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_3,
},
#endif
#if TP9950_DEF_720P
{
.bus_fmt = MEDIA_BUS_FMT_UYVY8_2X8,
.width = 1280,
.height = 720,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
.link_freq_value = TP9950_LINK_FREQ_297M,
.common_reg_list = NULL,
.common_reg_size = 0,
.bpp = TP9950_BITS_PER_SAMPLE,
.lane = TP9950_LANES,
.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0,
.vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_1,
.vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_2,
.vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_3,
},
#endif
};
int tp9950_initialize(struct techpoint *techpoint)
{
int array_size = 0;
struct i2c_client *client = techpoint->client;
struct device *dev = &client->dev;
techpoint->video_modes_num = ARRAY_SIZE(supported_modes);
array_size =
sizeof(struct techpoint_video_modes) * techpoint->video_modes_num;
techpoint->video_modes = devm_kzalloc(dev, array_size, GFP_KERNEL);
memcpy(techpoint->video_modes, supported_modes, array_size);
techpoint->cur_video_mode = &techpoint->video_modes[0];
return 0;
}
int tp9950_get_channel_input_status(struct i2c_client *client, u8 ch)
{
u8 val = 0;
techpoint_write_reg(client, PAGE_REG, ch);
techpoint_read_reg(client, INPUT_STATUS_REG, &val);
dev_dbg(&client->dev, "input_status ch %d : %x\n", ch, val);
return (val & INPUT_STATUS_MASK) ? 0 : 1;
}
int tp9950_get_all_input_status(struct i2c_client *client, u8 *detect_status)
{
u8 val = 0, i;
for (i = 0; i < PAD_MAX; i++) {
techpoint_write_reg(client, PAGE_REG, i);
techpoint_read_reg(client, INPUT_STATUS_REG, &val);
detect_status[i] = tp9950_get_channel_input_status(client, i);
}
return 0;
}
int tp9950_set_channel_reso(struct i2c_client *client, int ch,
enum techpoint_support_reso reso)
{
int val = reso;
dev_info(&client->dev, "##$$ %s", __func__);
techpoint_write_reg(client, 0x41, 0x00);
techpoint_write_reg(client, 0x40, 0x08);
techpoint_write_reg(client, 0x01, 0xf8);
techpoint_write_reg(client, 0x02, 0x01);
techpoint_write_reg(client, 0x08, 0x03);
techpoint_write_reg(client, 0x20, 0x12);
techpoint_write_reg(client, 0x39, 0x00);
techpoint_write_reg(client, 0x40, 0x00);
techpoint_write_reg(client, 0x4c, 0x40);
techpoint_write_reg(client, 0x4e, 0x00);
techpoint_write_reg(client, 0x27, 0x2d);
techpoint_write_reg(client, 0xfd, 0x80);
switch (val) {
case TECHPOINT_S_RESO_720P_25:
#if TP9950_DEF_720P
default:
#endif
dev_err(&client->dev, "set channel 720P_25\n");
techpoint_write_reg(client, 0x02, 0x42);
techpoint_write_reg(client, 0x07, 0xc0);
techpoint_write_reg(client, 0x0b, 0xc0);
techpoint_write_reg(client, 0x0c, 0x13);
techpoint_write_reg(client, 0x0d, 0x50);
techpoint_write_reg(client, 0x15, 0x13);
techpoint_write_reg(client, 0x16, 0x15);
techpoint_write_reg(client, 0x17, 0x00);
techpoint_write_reg(client, 0x18, 0x19);
techpoint_write_reg(client, 0x19, 0xd0);
techpoint_write_reg(client, 0x1a, 0x25);
techpoint_write_reg(client, 0x1c, 0x07);//1280*720, 25fps
techpoint_write_reg(client, 0x1d, 0xbc);//1280*720, 25fps
techpoint_write_reg(client, 0x20, 0x30);
techpoint_write_reg(client, 0x21, 0x84);
techpoint_write_reg(client, 0x22, 0x36);
techpoint_write_reg(client, 0x23, 0x3c);
techpoint_write_reg(client, 0x2b, 0x60);
techpoint_write_reg(client, 0x2c, 0x0a);
techpoint_write_reg(client, 0x2d, 0x30);
techpoint_write_reg(client, 0x2e, 0x70);
techpoint_write_reg(client, 0x30, 0x48);
techpoint_write_reg(client, 0x31, 0xbb);
techpoint_write_reg(client, 0x32, 0x2e);
techpoint_write_reg(client, 0x33, 0x90);
techpoint_write_reg(client, 0x35, 0x25);
techpoint_write_reg(client, 0x38, 0x00);
techpoint_write_reg(client, 0x39, 0x18);
if (STD_HDA) {
techpoint_write_reg(client, 0x02, 0x46);
techpoint_write_reg(client, 0x0d, 0x71);
techpoint_write_reg(client, 0x18, 0x1b);
techpoint_write_reg(client, 0x20, 0x40);
techpoint_write_reg(client, 0x21, 0x46);
techpoint_write_reg(client, 0x25, 0xfe);
techpoint_write_reg(client, 0x26, 0x01);
techpoint_write_reg(client, 0x2c, 0x3a);
techpoint_write_reg(client, 0x2d, 0x5a);
techpoint_write_reg(client, 0x2e, 0x40);
techpoint_write_reg(client, 0x30, 0x9e);
techpoint_write_reg(client, 0x31, 0x20);
techpoint_write_reg(client, 0x32, 0x10);
techpoint_write_reg(client, 0x33, 0x90);
}
techpoint_write_reg(client, 0x40, 0x08);
techpoint_write_reg(client, 0x23, 0x02);
techpoint_write_reg(client, 0x13, 0x24);
techpoint_write_reg(client, 0x14, 0x46);
techpoint_write_reg(client, 0x15, 0x09);
techpoint_write_reg(client, 0x25, 0x08);
techpoint_write_reg(client, 0x26, 0x01);
techpoint_write_reg(client, 0x27, 0x0e);
techpoint_write_reg(client, 0x10, 0x88);
techpoint_write_reg(client, 0x10, 0x08);
techpoint_write_reg(client, 0x23, 0x00);
techpoint_write_reg(client, 0x40, 0x00);
break;
case TECHPOINT_S_RESO_1080P_25:
#if TP9950_DEF_1080P
default:
#endif
dev_err(&client->dev, "set channel 1080P_25\n");
techpoint_write_reg(client, 0x02, 0x40);
techpoint_write_reg(client, 0x07, 0xc0);
techpoint_write_reg(client, 0x0b, 0xc0);
techpoint_write_reg(client, 0x0c, 0x03);
techpoint_write_reg(client, 0x0d, 0x50);
techpoint_write_reg(client, 0x15, 0x03);
techpoint_write_reg(client, 0x16, 0xd2);
techpoint_write_reg(client, 0x17, 0x80);
techpoint_write_reg(client, 0x18, 0x29);
techpoint_write_reg(client, 0x19, 0x38);
techpoint_write_reg(client, 0x1a, 0x47);
techpoint_write_reg(client, 0x1c, 0x0a);//1920*1080, 25fps
techpoint_write_reg(client, 0x1d, 0x50);//
techpoint_write_reg(client, 0x20, 0x30);
techpoint_write_reg(client, 0x21, 0x84);
techpoint_write_reg(client, 0x22, 0x36);
techpoint_write_reg(client, 0x23, 0x3c);
techpoint_write_reg(client, 0x2b, 0x60);
techpoint_write_reg(client, 0x2c, 0x0a);
techpoint_write_reg(client, 0x2d, 0x30);
techpoint_write_reg(client, 0x2e, 0x70);
techpoint_write_reg(client, 0x30, 0x48);
techpoint_write_reg(client, 0x31, 0xbb);
techpoint_write_reg(client, 0x32, 0x2e);
techpoint_write_reg(client, 0x33, 0x90);
techpoint_write_reg(client, 0x35, 0x05);
techpoint_write_reg(client, 0x38, 0x00);
techpoint_write_reg(client, 0x39, 0x1C);
if (STD_HDA) {
techpoint_write_reg(client, 0x02, 0x44);
techpoint_write_reg(client, 0x0d, 0x73);
techpoint_write_reg(client, 0x15, 0x01);
techpoint_write_reg(client, 0x16, 0xf0);
techpoint_write_reg(client, 0x18, 0x2a);
techpoint_write_reg(client, 0x20, 0x3c);
techpoint_write_reg(client, 0x21, 0x46);
techpoint_write_reg(client, 0x25, 0xfe);
techpoint_write_reg(client, 0x26, 0x0d);
techpoint_write_reg(client, 0x2c, 0x3a);
techpoint_write_reg(client, 0x2d, 0x54);
techpoint_write_reg(client, 0x2e, 0x40);
techpoint_write_reg(client, 0x30, 0xa5);
techpoint_write_reg(client, 0x31, 0x86);
techpoint_write_reg(client, 0x32, 0xfb);
techpoint_write_reg(client, 0x33, 0x60);
}
techpoint_write_reg(client, 0x40, 0x08);
techpoint_write_reg(client, 0x23, 0x02);
techpoint_write_reg(client, 0x13, 0x04);
techpoint_write_reg(client, 0x14, 0x46);
techpoint_write_reg(client, 0x15, 0x09);
techpoint_write_reg(client, 0x25, 0x08);
techpoint_write_reg(client, 0x26, 0x04);
techpoint_write_reg(client, 0x27, 0x0c);
techpoint_write_reg(client, 0x10, 0x88);
techpoint_write_reg(client, 0x10, 0x08);
techpoint_write_reg(client, 0x23, 0x00);
techpoint_write_reg(client, 0x40, 0x00);
/* techpoint_write_reg(client, 0x41, 0xc0); */
break;
case TECHPOINT_S_RESO_PAL:
#if TP9950_DEF_PAL
default:
#endif
dev_err(&client->dev, "set channel PAL\n");
techpoint_write_reg(client, 0x02, 0x47);
techpoint_write_reg(client, 0x07, 0x80);
techpoint_write_reg(client, 0x0b, 0x80);
techpoint_write_reg(client, 0x0c, 0x13);
techpoint_write_reg(client, 0x0d, 0x51);
techpoint_write_reg(client, 0x15, 0x13);
techpoint_write_reg(client, 0x16, 0x76);
techpoint_write_reg(client, 0x17, 0x80);
techpoint_write_reg(client, 0x18, 0x17);
techpoint_write_reg(client, 0x19, 0x20);
techpoint_write_reg(client, 0x1a, 0x17);
techpoint_write_reg(client, 0x1c, 0x09);
techpoint_write_reg(client, 0x1d, 0x48);
techpoint_write_reg(client, 0x20, 0x48);
techpoint_write_reg(client, 0x21, 0x84);
techpoint_write_reg(client, 0x22, 0x37);
techpoint_write_reg(client, 0x23, 0x3f);
techpoint_write_reg(client, 0x2b, 0x70);
techpoint_write_reg(client, 0x2c, 0x2a);
techpoint_write_reg(client, 0x2d, 0x64);
techpoint_write_reg(client, 0x2e, 0x56);
techpoint_write_reg(client, 0x30, 0x7a);
techpoint_write_reg(client, 0x31, 0x4a);
techpoint_write_reg(client, 0x32, 0x4d);
techpoint_write_reg(client, 0x33, 0xf0);
techpoint_write_reg(client, 0x35, 0x65);
techpoint_write_reg(client, 0x38, 0x00);
techpoint_write_reg(client, 0x39, 0x04);
techpoint_write_reg(client, 0x40, 0x08);
techpoint_write_reg(client, 0x23, 0x02);
techpoint_write_reg(client, 0x13, 0x24);
techpoint_write_reg(client, 0x14, 0x57);
techpoint_write_reg(client, 0x15, 0x0e);
techpoint_write_reg(client, 0x25, 0x02);
techpoint_write_reg(client, 0x26, 0x00);
techpoint_write_reg(client, 0x27, 0x03);
techpoint_write_reg(client, 0x10, 0x88);
techpoint_write_reg(client, 0x10, 0x08);
techpoint_write_reg(client, 0x23, 0x00);
techpoint_write_reg(client, 0x40, 0x00);
break;
case TECHPOINT_S_RESO_NTSC:
#if TP9950_DEF_NTSC
default:
#endif
dev_err(&client->dev, "set channel NTSC\n");
techpoint_write_reg(client, 0x02, 0x47);
techpoint_write_reg(client, 0x07, 0x80);
techpoint_write_reg(client, 0x0b, 0x80);
techpoint_write_reg(client, 0x0c, 0x13);
techpoint_write_reg(client, 0x0d, 0x50);
techpoint_write_reg(client, 0x15, 0x13);
techpoint_write_reg(client, 0x16, 0x60);
techpoint_write_reg(client, 0x17, 0x80);
techpoint_write_reg(client, 0x18, 0x12);
techpoint_write_reg(client, 0x19, 0xf0);
techpoint_write_reg(client, 0x1a, 0x07);
techpoint_write_reg(client, 0x1c, 0x09);
techpoint_write_reg(client, 0x1d, 0x38);
techpoint_write_reg(client, 0x20, 0x40);
techpoint_write_reg(client, 0x21, 0x84);
techpoint_write_reg(client, 0x22, 0x36);
techpoint_write_reg(client, 0x23, 0x3c);
techpoint_write_reg(client, 0x2b, 0x70);
techpoint_write_reg(client, 0x2c, 0x2a);
techpoint_write_reg(client, 0x2d, 0x68);
techpoint_write_reg(client, 0x2e, 0x57);
techpoint_write_reg(client, 0x30, 0x62);
techpoint_write_reg(client, 0x31, 0xbb);
techpoint_write_reg(client, 0x32, 0x96);
techpoint_write_reg(client, 0x33, 0xc0);
techpoint_write_reg(client, 0x35, 0x65);
techpoint_write_reg(client, 0x38, 0x00);
techpoint_write_reg(client, 0x39, 0x04);
techpoint_write_reg(client, 0x40, 0x08);
techpoint_write_reg(client, 0x23, 0x02);
techpoint_write_reg(client, 0x13, 0x24);
techpoint_write_reg(client, 0x14, 0x57);
techpoint_write_reg(client, 0x15, 0x0e);
techpoint_write_reg(client, 0x25, 0x02);
techpoint_write_reg(client, 0x26, 0x00);
techpoint_write_reg(client, 0x27, 0x03);
techpoint_write_reg(client, 0x10, 0x88);
techpoint_write_reg(client, 0x10, 0x08);
techpoint_write_reg(client, 0x23, 0x00);
techpoint_write_reg(client, 0x40, 0x00);
break;
}
#if TECHPOINT_TEST_PATTERN
techpoint_write_reg(client, 0x2a, 0x3c);
#endif
return 0;
}
int tp9950_get_channel_reso(struct i2c_client *client, int ch)
{
u8 detect_fmt = 0xff;
u8 reso = 0xff;
techpoint_write_reg(client, 0x40, ch);
techpoint_read_reg(client, 0x03, &detect_fmt);
reso = detect_fmt & 0x7;
switch (reso) {
case TP9950_CVSTD_720P_25:
#if TP9950_DEF_720P
default:
#endif
dev_err(&client->dev, "detect channel %d 720P_25\n", ch);
return TECHPOINT_S_RESO_720P_25;
case TP9950_CVSTD_1080P_25:
#if TP9950_DEF_1080P
default:
#endif
dev_err(&client->dev, "detect channel %d 1080P_25\n", ch);
return TECHPOINT_S_RESO_1080P_25;
case TP9950_CVSTD_PAL:
#if TP9950_DEF_PAL
default:
#endif
dev_err(&client->dev, "detect channel %d PAL\n", ch);
return TECHPOINT_S_RESO_PAL;
case TP9950_CVSTD_NTSC:
#if TP9950_DEF_NTSC
default:
#endif
dev_err(&client->dev, "detect channel %d NTSC\n", ch);
return TECHPOINT_S_RESO_NTSC;
}
return reso;
}
int tp9950_set_quick_stream(struct i2c_client *client, u32 stream)
{
return 0;
}

55
drivers/media/i2c/techpoint/techpoint_tp9950.h Normal file
View File

@@ -0,0 +1,55 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* techpoint tp9950 regs
*
* Copyright (C) 2022 Rockchip Electronics Co., Ltd.
*/
#ifndef _TECHPOINT_TP9950_H
#define _TECHPOINT_TP9950_H
#include "techpoint_common.h"
#define DEBUG
#define TP9950_DEF_1080P 0
#define TP9950_DEF_720P 1
#define TP9950_DEF_PAL 0
#define TP9950_DEF_NTSC 0
#define STD_TVI 0
#define STD_HDA 1
#define TP9950_CHIP_ID_H_REG 0xFE
#define TP9950_CHIP_ID_H_VALUE 0x28
#define TP9950_CHIP_ID_L_REG 0xFF
#define TP9950_CHIP_ID_L_VALUE 0x50
#define TP9950_LINK_FREQ_148M (148500000UL >> 1)
#define TP9950_LINK_FREQ_297M (297000000UL >> 1)
#define TP9950_LINK_FREQ_594M (594000000UL >> 1)
#define TP9950_LANES 2
#define TP9950_BITS_PER_SAMPLE 8
enum tp9950_support_reso {
TP9950_CVSTD_720P_60 = 0,
TP9950_CVSTD_720P_50,
TP9950_CVSTD_1080P_30,
TP9950_CVSTD_1080P_25,
TP9950_CVSTD_720P_30,
TP9950_CVSTD_720P_25,
TP9950_CVSTD_SD,
TP9950_CVSTD_OTHER,
TP9950_CVSTD_PAL,
TP9950_CVSTD_NTSC,
};
int tp9950_initialize(struct techpoint *techpoint);
int tp9950_get_channel_input_status(struct i2c_client *client, u8 ch);
int tp9950_get_all_input_status(struct i2c_client *client, u8 *detect_status);
int tp9950_set_channel_reso(struct i2c_client *client, int ch,
enum techpoint_support_reso reso);
int tp9950_get_channel_reso(struct i2c_client *client, int ch);
int tp9950_set_quick_stream(struct i2c_client *client, u32 stream);
#endif // _TECHPOINT_TP9950_H

99
drivers/media/i2c/techpoint/techpoint_v4l2.c
View File

@@ -2,7 +2,7 @@
/*
* techpoint v4l2 driver
*
* Copyright (C) 2021 Rockchip Electronics Co., Ltd.
* Copyright (C) 2022 Rockchip Electronics Co., Ltd.
*
*/
@@ -76,6 +76,9 @@ static int techpoint_analyze_dts(struct techpoint *techpoint)
struct i2c_client *client = techpoint->client;
struct device *dev = &client->dev;
struct device_node *node = dev->of_node;
struct device_node *endpoint;
struct fwnode_handle *fwnode;
int rval;
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
&techpoint->module_index);
@@ -95,10 +98,18 @@ static int techpoint_analyze_dts(struct techpoint *techpoint)
if (ret)
techpoint->xvclk_freq_value = 27000000;
ret = of_property_read_u32(node, TECHPOINT_CHANNEL_NUMS,
&techpoint->channel_nums);
if (ret)
techpoint->channel_nums = 4;
endpoint = of_graph_get_next_endpoint(dev->of_node, NULL);
if (!endpoint) {
dev_err(dev, "Failed to get endpoint\n");
return -EINVAL;
}
fwnode = of_fwnode_handle(endpoint);
rval = fwnode_property_read_u32_array(fwnode, "data-lanes", NULL, 0);
if (rval <= 0) {
dev_warn(dev, " Get mipi lane num failed!\n");
return -1;
}
techpoint->data_lanes = rval;
techpoint->xvclk = devm_clk_get(dev, "xvclk");
if (IS_ERR(techpoint->xvclk)) {
@@ -266,14 +277,11 @@ err_clk:
static void __techpoint_power_off(struct techpoint *techpoint)
{
int ret;
struct device *dev = &techpoint->client->dev;
#if TECHPOINT_SHARING_POWER
return;
#endif
dev_dbg(dev, "%s\n", __func__);
if (!IS_ERR(techpoint->reset_gpio))
gpiod_set_value_cansleep(techpoint->reset_gpio, 1);
@@ -284,7 +292,7 @@ static void __techpoint_power_off(struct techpoint *techpoint)
ret = pinctrl_select_state(techpoint->pinctrl,
techpoint->pins_sleep);
if (ret < 0)
dev_dbg(dev, "could not set pins\n");
dev_err(&techpoint->client->dev, "could not set pins\n");
}
if (!IS_ERR(techpoint->power_gpio))
@@ -430,10 +438,7 @@ static int techpoint_get_fmt(struct v4l2_subdev *sd,
fmt->format.height = mode->height;
fmt->format.code = mode->bus_fmt;
fmt->format.field = V4L2_FIELD_NONE;
if (fmt->pad < PAD_MAX && fmt->pad >= PAD0)
fmt->reserved[0] = mode->vc[fmt->pad];
else
fmt->reserved[0] = mode->vc[PAD0];
fmt->reserved[0] = mode->vc[fmt->pad];
}
mutex_unlock(&techpoint->mutex);
@@ -504,7 +509,13 @@ static int techpoint_g_mbus_config(struct v4l2_subdev *sd,
V4L2_MBUS_PCLK_SAMPLE_FALLING;
} else if (techpoint->input_type == TECHPOINT_MIPI) {
cfg->type = V4L2_MBUS_CSI2;
cfg->flags = V4L2_MBUS_CSI2_4_LANE | V4L2_MBUS_CSI2_CHANNELS;
if (techpoint->data_lanes == 4) {
cfg->flags = V4L2_MBUS_CSI2_4_LANE | V4L2_MBUS_CSI2_CHANNELS;
} else if (techpoint->data_lanes == 2) {
cfg->flags = V4L2_MBUS_CSI2_2_LANE |
V4L2_MBUS_CSI2_CHANNEL_0 |
V4L2_MBUS_CSI2_CHANNEL_1;
}
}
return 0;
@@ -632,8 +643,11 @@ static long techpoint_compat_ioctl32(struct v4l2_subdev *sd,
}
ret = techpoint_ioctl(sd, cmd, inf);
if (!ret)
if (!ret) {
ret = copy_to_user(up, inf, sizeof(*inf));
if (ret)
ret = -EFAULT;
}
kfree(inf);
break;
case RKMODULE_AWB_CFG:
@@ -643,9 +657,11 @@ static long techpoint_compat_ioctl32(struct v4l2_subdev *sd,
return ret;
}
ret = copy_from_user(cfg, up, sizeof(*cfg));
if (!ret)
ret = techpoint_ioctl(sd, cmd, cfg);
if (copy_from_user(cfg, up, sizeof(*cfg))) {
kfree(cfg);
return -EFAULT;
}
ret = techpoint_ioctl(sd, cmd, cfg);
kfree(cfg);
break;
case RKMODULE_GET_VC_FMT_INFO:
@@ -656,8 +672,11 @@ static long techpoint_compat_ioctl32(struct v4l2_subdev *sd,
}
ret = techpoint_ioctl(sd, cmd, vc_fmt_inf);
if (!ret)
if (!ret) {
ret = copy_to_user(up, vc_fmt_inf, sizeof(*vc_fmt_inf));
if (ret)
ret = -EFAULT;
}
kfree(vc_fmt_inf);
break;
case RKMODULE_GET_VC_HOTPLUG_INFO:
@@ -668,8 +687,11 @@ static long techpoint_compat_ioctl32(struct v4l2_subdev *sd,
}
ret = techpoint_ioctl(sd, cmd, vc_hp_inf);
if (!ret)
if (!ret) {
ret = copy_to_user(up, vc_hp_inf, sizeof(*vc_hp_inf));
if (ret)
ret = -EFAULT;
}
kfree(vc_hp_inf);
break;
case RKMODULE_GET_BT656_MBUS_INFO:
@@ -680,8 +702,11 @@ static long techpoint_compat_ioctl32(struct v4l2_subdev *sd,
}
ret = techpoint_ioctl(sd, cmd, bt565_inf);
if (!ret)
if (!ret) {
ret = copy_to_user(up, bt565_inf, sizeof(*bt565_inf));
if (ret)
ret = -EFAULT;
}
kfree(bt565_inf);
break;
case RKMODULE_GET_VICAP_RST_INFO:
@@ -692,10 +717,12 @@ static long techpoint_compat_ioctl32(struct v4l2_subdev *sd,
}
ret = techpoint_ioctl(sd, cmd, vicap_rst_inf);
if (!ret)
ret =
copy_to_user(up, vicap_rst_inf,
sizeof(*vicap_rst_inf));
if (!ret) {
ret = copy_to_user(up, vicap_rst_inf,
sizeof(*vicap_rst_inf));
if (ret)
ret = -EFAULT;
}
kfree(vicap_rst_inf);
break;
case RKMODULE_SET_VICAP_RST_INFO:
@@ -705,8 +732,10 @@ static long techpoint_compat_ioctl32(struct v4l2_subdev *sd,
return ret;
}
ret = copy_from_user(vicap_rst_inf, up, sizeof(*vicap_rst_inf));
if (!ret)
if (copy_from_user(vicap_rst_inf, up, sizeof(*vicap_rst_inf))) {
kfree(vicap_rst_inf);
return -EFAULT;
}
ret = techpoint_ioctl(sd, cmd, vicap_rst_inf);
kfree(vicap_rst_inf);
break;
@@ -718,14 +747,19 @@ static long techpoint_compat_ioctl32(struct v4l2_subdev *sd,
}
ret = techpoint_ioctl(sd, cmd, stream_seq);
if (!ret)
if (!ret) {
ret = copy_to_user(up, stream_seq, sizeof(*stream_seq));
if (ret)
return -EFAULT;
}
kfree(stream_seq);
break;
case RKMODULE_SET_QUICK_STREAM:
ret = copy_from_user(&stream, up, sizeof(u32));
if (!ret)
ret = techpoint_ioctl(sd, cmd, &stream);
if (copy_from_user(&stream, up, sizeof(u32)))
return -EFAULT;
ret = techpoint_ioctl(sd, cmd, &stream);
if (ret)
ret = -EFAULT;
break;
default:
ret = -ENOIOCTLCMD;
@@ -825,6 +859,7 @@ static const struct of_device_id techpoint_of_match[] = {
{ .compatible = "techpoint,tp2855" },
{ .compatible = "techpoint,tp2815" },
{ .compatible = "techpoint,tp9930" },
{ .compatible = "techpoint,tp9950" },
{ },
};
@@ -1333,7 +1368,7 @@ static int techpoint_probe(struct i2c_client *client,
struct techpoint *techpoint;
struct v4l2_subdev *sd;
__maybe_unused char facing[2];
int ret, index;
int ret = 0, index;
dev_info(dev, "driver version: %02x.%02x.%02x",
DRIVER_VERSION >> 16,