[Android6.0][RK3399] 双屏异显代码实现流程分析（二）【转】
2024-10-19 21:37:50
本文转载自：http://blog.csdn.net/dearsq/article/details/55050125
Platform: RK3399
OS: Android 6.0
Version: v2016.08
LCD interface: eDP + mipi
Patch Code
Date: Fri, 09 Dec 2016 10:53:11 +0800
Subject: [PATCH] video: rockchip: fb: add support dual lcd
Change-Id: I246f8e7d725d26abf2555d3077dd87da72920731
Signed-off-by: Huang xxx < ××× >
dtsi
rk3399-android.dtsi
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-android.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-android.dtsi
index a009537..05a8377 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-android.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-android.dtsi
@@ -287,7 +287,7 @@
status = "okay";
compatible = "rockchip,rk-fb";
rockchip,disp-mode = <DUAL>;
- rockchip,uboot-logo-on = <1>;
+ rockchip,uboot-logo-on = <0>;
memory-region = <&rockchip_logo>;
};- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
rk3399-evb-rev3-android.dts
在 rk_screen 中默认只有一个 screen0, 用于填充 primary screen 的 timing
现在需要添加 screen1，用于填充 extend screen 的 timing
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb-rev3-android.dts b/arch/arm64/boot/dts/rockchip/rk3399-evb-rev3-android.dts
index 3b3ff7c..3653205 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-evb-rev3-android.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-evb-rev3-android.dts
@@ -51,18 +51,55 @@
};
&rk_screen {
- #include <dt-bindings/display/screen-timing/lcd-tv080wum-nl0-mipi.dtsi>
+ status = "okay";
+ screen0 {
+ screen_prop = <PRMRY>;
+ native-mode = <DEFAULT_MODE>;
+ power_ctr {
+ lcd_en0: lcd-en {
+ rockchip,power_type = <GPIO>;
+ gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
+ rockchip,delay = <10>;
+ };
+ /* lcd_cs {
+ rockchip,power_type = <GPIO>;
+ gpios = <&gpio7 GPIO_A4 GPIO_ACTIVE_HIGH>;
+ rockchip,delay = <10>;
+ }; */
+ };
+ #include <dt-bindings/display/screen-timing/lcd-tv080wum-nl0-mipi.dtsi>
+ //#include <dt-bindings/display/screen-timing/lcd-F402.dtsi>
+ };
+ screen1 {
+ screen_prop = <EXTEND>;
+ native-mode = <DEFAULT_MODE>;
+ power_ctr {
+ /* cd_en1: lcd-en {
+ rockchip,power_type = <GPIO>;
+ gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
+ rockchip,delay = <10>;
+ };*/
+ /* lcd_cs {
+ rockchip,power_type = <GPIO>;
+ gpios = <&gpio7 GPIO_A4 GPIO_ACTIVE_HIGH>;
+ rockchip,delay = <10>;
+ }; */
+ };
+ #include <dt-bindings/display/screen-timing/lcd-F402.dtsi>
+ //#include <dt-bindings/display/screen-timing/lcd-tv080wum-nl0-mipi.dtsi>
+ //#include "lcd-box.dtsi"
+ };
};
&vopb_rk_fb {
status = "okay";
power_ctr: power_ctr {
rockchip,debug = <0>;
- lcd_en: lcd-en {
+ /* lcd_en: lcd-en {
rockchip,power_type = <GPIO>;
gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
rockchip,delay = <10>;
- };
+ }; */
/*lcd_cs: lcd-cs {
rockchip,power_type = <GPIO>;
@@ -80,14 +117,23 @@
&vopl_rk_fb {
status = "okay";
+ rockchip,uboot-logo-on = <0>;
};
//设置 mipi 通道的为主屏， eDP 的为副屏
&mipi0_rk_fb {
status = "okay";
+ prop = <PRMRY>;
+ //prop = <EXTEND>;
+};
+
+&edp_rk_fb {
+ status = "okay";
+ prop = <EXTEND>;
+ //prop = <PRMRY>;
};
&hdmi_rk_fb {
- status = "okay";
+ status = "disabled";
rockchip,hdmi_video_source = <DISPLAY_SOURCE_LCDC1>;
};
```
```
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi
index b3c7141..b72ce6c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi
@@ -101,7 +101,7 @@
232 233 234 235 236 237 238 239
240 241 242 243 244 245 246 247
248 249 250 251 252 253 254 255>;
- default-brightness-level = <200>;
+ default-brightness-level = <128>;
};
clkin_gmac: external-gmac-clock {
@@ -370,7 +370,7 @@
};
&i2c4 {
- status = "okay";
+ status = "disabled";
i2c-scl-rising-time-ns = <600>;
i2c-scl-falling-time-ns = <20>;- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
- 91
- 92
- 93
- 94
- 95
- 96
- 97
- 98
- 99
- 100
- 101
- 102
- 103
- 104
- 105
- 106
- 107
- 108
- 109
- 110
- 111
- 112
- 113
lcdc 控制器
rk322x_lcdc.c
diff --git a/drivers/video/rockchip/lcdc/rk322x_lcdc.c b/drivers/video/rockchip/lcdc/rk322x_lcdc.c
index 93c996a..d6bdff3 100644
--- a/drivers/video/rockchip/lcdc/rk322x_lcdc.c
+++ b/drivers/video/rockchip/lcdc/rk322x_lcdc.c
@@ -5252,6 +5252,10 @@
rk322x_pdev = pdev;
+ if (dev_drv->cur_screen->type != SCREEN_HDMI &&
+ dev_drv->cur_screen->type != SCREEN_TVOUT)
+ dev_drv->hot_plug_state = 1;
+
if (dev_drv->cur_screen->refresh_mode == SCREEN_CMD_MODE) {
te_pin = of_get_named_gpio_flags(np, "te-gpio", 0, NULL);
if (IS_ERR_VALUE(te_pin)) {- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
rk_fb.c
diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 25563a4..80db2e2 100644
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -73,9 +73,8 @@
extern phys_addr_t uboot_logo_base;
extern phys_addr_t uboot_logo_size;
extern phys_addr_t uboot_logo_offset;
-static struct rk_fb_trsm_ops *trsm_lvds_ops;
-static struct rk_fb_trsm_ops *trsm_edp_ops;
-static struct rk_fb_trsm_ops *trsm_mipi_ops;
+static struct rk_fb_trsm_ops *trsm_prmry_ops;
+static struct rk_fb_trsm_ops *trsm_extend_ops;
static int uboot_logo_on;
static int rk_fb_debug_lvl;
@@ -115,26 +114,13 @@
int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
{
- switch (type) {
- case SCREEN_RGB:
- case SCREEN_LVDS:
- case SCREEN_DUAL_LVDS:
- case SCREEN_LVDS_10BIT:
- case SCREEN_DUAL_LVDS_10BIT:
- trsm_lvds_ops = ops;
- break;
- case SCREEN_EDP:
- trsm_edp_ops = ops;
- break;
- case SCREEN_MIPI:
- case SCREEN_DUAL_MIPI:
- trsm_mipi_ops = ops;
- break;
- default:
- pr_warn("%s: unsupported transmitter: %d!\n",
- __func__, type);
- break;
- }
+ if (type == PRMRY)
+ trsm_prmry_ops = ops;
+ else if (type == EXTEND)
+ trsm_extend_ops = ops;
+ else
+ pr_err("%s, type:%d\n", __func__, type);
+
return 0;
}
@@ -142,27 +128,12 @@
{
struct rk_fb_trsm_ops *ops;
- switch (type) {
- case SCREEN_RGB:
- case SCREEN_LVDS:
- case SCREEN_DUAL_LVDS:
- case SCREEN_LVDS_10BIT:
- case SCREEN_DUAL_LVDS_10BIT:
- ops = trsm_lvds_ops;
- break;
- case SCREEN_EDP:
- ops = trsm_edp_ops;
- break;
- case SCREEN_MIPI:
- case SCREEN_DUAL_MIPI:
- ops = trsm_mipi_ops;
- break;
- default:
- ops = NULL;
- pr_warn("%s: unsupported transmitter: %d!\n",
- __func__, type);
- break;
- }
+ if (type == PRMRY)
+ ops = trsm_prmry_ops;
+ else if (type == EXTEND)
+ ops = trsm_extend_ops;
+ else
+ pr_err("%s, type:%d\n", __func__, type);
return ops;
}
@@ -317,10 +288,10 @@
/*
* rk display power control parse from dts
*/
-int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
+int rk_disp_pwr_ctr_parse_dt(struct device_node *np,
+ struct rk_screen *rk_screen)
{
- struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
- "power_ctr");
+ struct device_node *root = of_get_child_by_name(np, "power_ctr");
struct device_node *child;
struct rk_disp_pwr_ctr_list *pwr_ctr;
struct list_head *pos;
@@ -329,10 +300,10 @@
u32 debug = 0;
int ret;
- INIT_LIST_HEAD(&dev_drv->pwrlist_head);
+ INIT_LIST_HEAD(rk_screen->pwrlist_head);
if (!root) {
- dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
- dev_drv->id);
+ dev_err(rk_screen->dev, "can't find power_ctr node for lcdc%d\n",
+ rk_screen->lcdc_id);
return -ENODEV;
}
@@ -347,7 +318,7 @@
pwr_ctr->pwr_ctr.type = GPIO;
pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
- dev_err(dev_drv->dev, "%s ivalid gpio\n",
+ dev_err(rk_screen->dev, "%s ivalid gpio\n",
child->name);
return -EINVAL;
}
@@ -355,7 +326,7 @@
ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
child->name);
if (ret) {
- dev_err(dev_drv->dev,
+ dev_err(rk_screen->dev,
"request %s gpio fail:%d\n",
child->name, ret);
}
@@ -364,9 +335,9 @@
pwr_ctr->pwr_ctr.type = REGULATOR;
pwr_ctr->pwr_ctr.rgl_name = NULL;
ret = of_property_read_string(child, "rockchip,regulator_name",
- &(pwr_ctr->pwr_ctr.rgl_name));
+ &(pwr_ctr->pwr_ctr.rgl_name));
if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
- dev_err(dev_drv->dev, "get regulator name failed!\n");
+ dev_err(rk_screen->dev, "get regulator name failed!\n");
if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
pwr_ctr->pwr_ctr.volt = val;
else
@@ -378,29 +349,30 @@
pwr_ctr->pwr_ctr.delay = val;
else
pwr_ctr->pwr_ctr.delay = 0;
- list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
+ list_add_tail(&pwr_ctr->list, rk_screen->pwrlist_head);
}
of_property_read_u32(root, "rockchip,debug", &debug);
if (debug) {
- list_for_each(pos, &dev_drv->pwrlist_head) {
+ list_for_each(pos, rk_screen->pwrlist_head) {
pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
list);
- pr_info("pwr_ctr_name:%s\n"
- "pwr_type:%s\n"
- "gpio:%d\n"
- "atv_val:%d\n"
- "delay:%d\n\n",
- pwr_ctr->pwr_ctr.name,
- (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
- pwr_ctr->pwr_ctr.gpio,
- pwr_ctr->pwr_ctr.atv_val,
- pwr_ctr->pwr_ctr.delay);
+ printk(KERN_INFO "pwr_ctr_name:%s\n"
+ "pwr_type:%s\n"
+ "gpio:%d\n"
+ "atv_val:%d\n"
+ "delay:%d\n\n",
+ pwr_ctr->pwr_ctr.name,
+ (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
+ pwr_ctr->pwr_ctr.gpio,
+ pwr_ctr->pwr_ctr.atv_val,
+ pwr_ctr->pwr_ctr.delay);
}
}
return 0;
+
}
int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
@@ -411,9 +383,14 @@
struct regulator *regulator_lcd = NULL;
int count = 10;
- if (list_empty(&dev_drv->pwrlist_head))
+ if (!dev_drv->cur_screen->pwrlist_head) {
+ pr_info("error: %s, lcdc%d screen pwrlist null\n",
+ __func__, dev_drv->id);
return 0;
- list_for_each(pos, &dev_drv->pwrlist_head) {
+ }
+ if (list_empty(dev_drv->cur_screen->pwrlist_head))
+ return 0;
+ list_for_each(pos, dev_drv->cur_screen->pwrlist_head) {
pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
list);
pwr_ctr = &pwr_ctr_list->pwr_ctr;
@@ -422,8 +399,7 @@
mdelay(pwr_ctr->delay);
} else if (pwr_ctr->type == REGULATOR) {
if (pwr_ctr->rgl_name)
- regulator_lcd =
- regulator_get(NULL, pwr_ctr->rgl_name);
+ regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
if (regulator_lcd == NULL) {
dev_err(dev_drv->dev,
"%s: regulator get failed,regulator name:%s\n",
@@ -456,9 +432,14 @@
struct regulator *regulator_lcd = NULL;
int count = 10;
- if (list_empty(&dev_drv->pwrlist_head))
+ if (!dev_drv->cur_screen->pwrlist_head) {
+ pr_info("error: %s, lcdc%d screen pwrlist null\n",
+ __func__, dev_drv->id);
return 0;
- list_for_each(pos, &dev_drv->pwrlist_head) {
+ }
+ if (list_empty(dev_drv->cur_screen->pwrlist_head))
+ return 0;
+ list_for_each(pos, dev_drv->cur_screen->pwrlist_head) {
pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
list);
pwr_ctr = &pwr_ctr_list->pwr_ctr;
@@ -474,8 +455,7 @@
continue;
}
while (regulator_is_enabled(regulator_lcd) > 0) {
- if (regulator_disable(regulator_lcd) == 0 ||
- count == 0)
+ if (regulator_disable(regulator_lcd) == 0 || count == 0)
break;
else
dev_err(dev_drv->dev,
@@ -530,6 +510,8 @@
screen->pin_den = 1;
else
screen->pin_den = 0;
+ printk("hjc>>>prop:%d, x:%d, y:%d, dclk:%d\n", screen->prop,
+ screen->mode.xres, screen->mode.yres, screen->mode.pixclock);
return 0;
}
@@ -544,7 +526,7 @@
pr_err("parse display timing err\n");
return -EINVAL;
}
- dt = display_timings_get(disp_timing, disp_timing->native_mode);
+ dt = display_timings_get(disp_timing, screen->native_mode);
rk_fb_video_mode_from_timing(dt, screen);
return 0;
@@ -3942,7 +3924,8 @@
win = dev_drv->win[win_id];
if (!strcmp(fbi->fix.id, "fb0")) {
- fb_mem_size = get_fb_size(dev_drv->reserved_fb);
+ fb_mem_size = get_fb_size(dev_drv->reserved_fb,
+ dev_drv->cur_screen);
#if defined(CONFIG_ION_ROCKCHIP)
if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
return -ENOMEM;
@@ -3963,8 +3946,7 @@
if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
struct rk_lcdc_driver *dev_drv_prmry;
int win_id_prmry;
-
- fb_mem_size = get_fb_size(dev_drv->reserved_fb);
+ fb_mem_size = get_fb_size(dev_drv->reserved_fb, dev_drv->cur_screen);
#if defined(CONFIG_ION_ROCKCHIP)
dev_drv_prmry = rk_get_prmry_lcdc_drv();
if (dev_drv_prmry == NULL)
@@ -4129,14 +4111,9 @@
dev_drv->area_support[i] = 1;
if (dev_drv->ops->area_support_num)
dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
- rk_disp_pwr_ctr_parse_dt(dev_drv);
- if (dev_drv->prop == PRMRY) {
- rk_fb_set_prmry_screen(screen);
- rk_fb_get_prmry_screen(screen);
- }
- dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
- if (dev_drv->prop != PRMRY)
- rk_fb_get_extern_screen(screen);
+ rk_fb_set_screen(screen, dev_drv->prop);
+ rk_fb_get_screen(screen, dev_drv->prop);
+ dev_drv->trsm_ops = rk_fb_trsm_ops_get(dev_drv->prop);
dev_drv->output_color = screen->color_mode;
return 0;
@@ -4511,15 +4488,24 @@
struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
- if (rk_fb->disp_mode == DUAL_LCD) {
- extend_fbi->fbops->fb_open(extend_fbi, 1);
- if (dev_drv->iommu_enabled) {
- if (dev_drv->mmu_dev)
- rockchip_iovmm_set_fault_handler(dev_drv->dev,
- rk_fb_sysmmu_fault_handler);
- }
- rk_fb_alloc_buffer(extend_fbi);
+ extend_fbi->var.xres_virtual = rk_fb->fb[0]->var.xres_virtual;
+ extend_fbi->var.yres_virtual = rk_fb->fb[0]->var.yres_virtual;
+ extend_fbi->var.xres = rk_fb->fb[0]->var.xres;
+ extend_fbi->var.yres = rk_fb->fb[0]->var.yres;
+ extend_fbi->fbops->fb_open(extend_fbi, 1);
+ if (dev_drv->iommu_enabled) {
+ if (dev_drv->mmu_dev)
+ rockchip_iovmm_set_fault_handler(dev_drv->dev,
+ rk_fb_sysmmu_fault_handler);
+ if (dev_drv->ops->mmu_en)
+ dev_drv->ops->mmu_en(dev_drv);
}
+ rk_fb_alloc_buffer(extend_fbi);
+ //if (rk_fb->disp_mode == DUAL_LCD) {
+ extend_fbi->fbops->fb_set_par(extend_fbi);
+ extend_fbi->fbops->fb_pan_display(&extend_fbi->var,
+ extend_fbi);
+ //}
}
#endif
return 0;- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
- 91
- 92
- 93
- 94
- 95
- 96
- 97
- 98
- 99
- 100
- 101
- 102
- 103
- 104
- 105
- 106
- 107
- 108
- 109
- 110
- 111
- 112
- 113
- 114
- 115
- 116
- 117
- 118
- 119
- 120
- 121
- 122
- 123
- 124
- 125
- 126
- 127
- 128
- 129
- 130
- 131
- 132
- 133
- 134
- 135
- 136
- 137
- 138
- 139
- 140
- 141
- 142
- 143
- 144
- 145
- 146
- 147
- 148
- 149
- 150
- 151
- 152
- 153
- 154
- 155
- 156
- 157
- 158
- 159
- 160
- 161
- 162
- 163
- 164
- 165
- 166
- 167
- 168
- 169
- 170
- 171
- 172
- 173
- 174
- 175
- 176
- 177
- 178
- 179
- 180
- 181
- 182
- 183
- 184
- 185
- 186
- 187
- 188
- 189
- 190
- 191
- 192
- 193
- 194
- 195
- 196
- 197
- 198
- 199
- 200
- 201
- 202
- 203
- 204
- 205
- 206
- 207
- 208
- 209
- 210
- 211
- 212
- 213
- 214
- 215
- 216
- 217
- 218
- 219
- 220
- 221
- 222
- 223
- 224
- 225
- 226
- 227
- 228
- 229
- 230
- 231
- 232
- 233
- 234
- 235
- 236
- 237
- 238
- 239
- 240
- 241
- 242
- 243
- 244
- 245
- 246
- 247
- 248
- 249
- 250
- 251
- 252
- 253
- 254
- 255
- 256
- 257
- 258
- 259
- 260
- 261
- 262
- 263
- 264
- 265
- 266
- 267
- 268
- 269
- 270
- 271
- 272
- 273
- 274
- 275
- 276
- 277
- 278
- 279
- 280
- 281
- 282
- 283
- 284
- 285
- 286
- 287
- 288
- 289
- 290
- 291
- 292
- 293
- 294
- 295
- 296
- 297
- 298
- 299
- 300
- 301
- 302
- 303
- 304
- 305
- 306
- 307
- 308
- 309
- 310
- 311
- 312
- 313
- 314
- 315
- 316
- 317
- 318
- 319
- 320
- 321
- 322
- 323
- 324
- 325
- 326
- 327
- 328
timing 初始化
rk_screen.c
diff --git a/drivers/video/rockchip/screen/rk_screen.c b/drivers/video/rockchip/screen/rk_screen.c
index 3a4e6c3..7473e5f 100644
--- a/drivers/video/rockchip/screen/rk_screen.c
+++ b/drivers/video/rockchip/screen/rk_screen.c
@@ -4,57 +4,102 @@
#include "lcd.h"
#include "../hdmi/rockchip-hdmi.h"
-static struct rk_screen *rk_screen;
+static struct rk_screen *prmry_screen;
+static struct rk_screen *extend_screen;
+
+static void rk_screen_info_error(struct rk_screen *screen, int prop)
+{
+ pr_err(">>>>>>>>>>>>>>>>>>>>error<<<<<<<<<<<<<<<<<<<<\n");
+ pr_err(">>please init %s screen info in dtsi file<<\n",
+ (prop == PRMRY) ? "prmry" : "extend");
+ pr_err(">>>>>>>>>>>>>>>>>>>>error<<<<<<<<<<<<<<<<<<<<\n");
+}
int rk_fb_get_extern_screen(struct rk_screen *screen)
{
- if (unlikely(!rk_screen) || unlikely(!screen))
+ if (unlikely(!extend_screen) || unlikely(!screen))
return -1;
-
- memcpy(screen, rk_screen, sizeof(struct rk_screen));
+ memcpy(screen, extend_screen, sizeof(struct rk_screen));
screen->dsp_lut = NULL;
screen->cabc_lut = NULL;
- screen->type = SCREEN_NULL;
-
return 0;
}
-int rk_fb_get_prmry_screen(struct rk_screen *screen)
+int rk_fb_get_prmry_screen(struct rk_screen *screen)
{
- if (unlikely(!rk_screen) || unlikely(!screen))
+ if (unlikely(!prmry_screen) || unlikely(!screen))
return -1;
- memcpy(screen, rk_screen, sizeof(struct rk_screen));
+ memcpy(screen, prmry_screen, sizeof(struct rk_screen));
return 0;
}
-int rk_fb_set_prmry_screen(struct rk_screen *screen)
+int rk_fb_get_screen(struct rk_screen *screen, int prop)
{
- if (unlikely(!rk_screen) || unlikely(!screen))
+ struct rk_screen *cur_screen = NULL;
+ if (unlikely(!screen))
return -1;
- rk_screen->lcdc_id = screen->lcdc_id;
- rk_screen->screen_id = screen->screen_id;
- rk_screen->x_mirror = screen->x_mirror;
- rk_screen->y_mirror = screen->y_mirror;
- rk_screen->overscan.left = screen->overscan.left;
- rk_screen->overscan.top = screen->overscan.left;
- rk_screen->overscan.right = screen->overscan.left;
- rk_screen->overscan.bottom = screen->overscan.left;
+ if (prop == PRMRY) {
+ if (unlikely(!prmry_screen)) {
+ rk_screen_info_error(screen, prop);
+ return -1;
+ }
+ cur_screen = prmry_screen;
+ } else {
+ if (unlikely(!extend_screen)) {
+ rk_screen_info_error(screen, prop);
+ return -1;
+ }
+ cur_screen = extend_screen;
+ }
+ memcpy(screen, cur_screen, sizeof(struct rk_screen));
return 0;
}
-size_t get_fb_size(u8 reserved_fb)
+int rk_fb_set_screen(struct rk_screen *screen, int prop)
+{
+ struct rk_screen *cur_screen = NULL;
+
+ if (unlikely(!screen))
+ return -1;
+ if (prop == PRMRY) {
+ if (unlikely(!prmry_screen)) {
+ rk_screen_info_error(screen, prop);
+ return -1;
+ }
+ cur_screen = prmry_screen;
+ } else {
+ if (unlikely(!extend_screen)) {
+ rk_screen_info_error(screen, prop);
+ return -1;
+ }
+ cur_screen = extend_screen;
+ }
+
+ cur_screen->lcdc_id = screen->lcdc_id;
+ cur_screen->screen_id = screen->screen_id;
+ cur_screen->x_mirror = screen->x_mirror;
+ cur_screen->y_mirror = screen->y_mirror;
+ cur_screen->overscan.left = screen->overscan.left;
+ cur_screen->overscan.top = screen->overscan.left;
+ cur_screen->overscan.right = screen->overscan.left;
+ cur_screen->overscan.bottom = screen->overscan.left;
+
+ return 0;
+}
+
+size_t get_fb_size(u8 reserved_fb, struct rk_screen *screen)
{
size_t size = 0;
u32 xres = 0;
u32 yres = 0;
- if (unlikely(!rk_screen))
+ if (unlikely(!screen))
return 0;
- xres = rk_screen->mode.xres;
- yres = rk_screen->mode.yres;
+ xres = screen->mode.xres;
+ yres = screen->mode.yres;
/* align as 64 bytes(16*4) in an odd number of times */
xres = ALIGN_64BYTE_ODD_TIMES(xres, ALIGN_PIXEL_64BYTE_RGB8888);
@@ -73,22 +118,51 @@
static int rk_screen_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
- int ret;
+ struct device_node *screen_np;
+ struct rk_screen *rk_screen;
+ int ret, screen_prop;
if (!np) {
dev_err(&pdev->dev, "Missing device tree node.\n");
return -EINVAL;
}
- rk_screen = devm_kzalloc(&pdev->dev,
- sizeof(struct rk_screen), GFP_KERNEL);
- if (!rk_screen) {
- dev_err(&pdev->dev, "kmalloc for rk screen fail!");
- return -ENOMEM;
+
+ for_each_child_of_node(np, screen_np) {
+ rk_screen = devm_kzalloc(&pdev->dev,
+ sizeof(struct rk_screen), GFP_KERNEL);
+ if (!rk_screen) {
+ dev_err(&pdev->dev, "kmalloc for rk screen fail!");
+ return -ENOMEM;
+ }
+ rk_screen->pwrlist_head = devm_kzalloc(&pdev->dev,
+ sizeof(struct list_head), GFP_KERNEL);
+ if (!rk_screen->pwrlist_head) {
+ dev_err(&pdev->dev, "kmalloc for rk_screen pwrlist_head fail!");
+ return -ENOMEM;
+ }
+ of_property_read_u32(screen_np, "screen_prop", &screen_prop);
+ if (screen_prop == PRMRY)
+ prmry_screen = rk_screen;
+ else if (screen_prop == EXTEND)
+ extend_screen = rk_screen;
+ else
+ dev_err(&pdev->dev, "unknow screen prop: %d\n",
+ screen_prop);
+ rk_screen->prop = screen_prop;
+ of_property_read_u32(screen_np, "native-mode", &rk_screen->native_mode);
+ rk_screen->dev = &pdev->dev;
+ ret = rk_fb_prase_timing_dt(screen_np, rk_screen);
+ pr_info("%s screen timing parse %s\n",
+ (screen_prop == PRMRY) ? "prmry" : "extend",
+ ret ? "failed" : "success");
+ ret = rk_disp_pwr_ctr_parse_dt(screen_np, rk_screen);
+ pr_info("%s screen power ctrl parse %s\n",
+ (screen_prop == PRMRY) ? "prmry" : "extend",
+ ret ? "failed" : "success");
}
- ret = rk_fb_prase_timing_dt(np, rk_screen);
- dev_info(&pdev->dev, "rockchip screen probe %s\n",
- ret ? "failed" : "success");
- return ret;
+
+ dev_info(&pdev->dev, "rockchip screen probe success\n");
+ return 0;
}
static const struct of_device_id rk_screen_dt_ids[] = {- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
- 91
- 92
- 93
- 94
- 95
- 96
- 97
- 98
- 99
- 100
- 101
- 102
- 103
- 104
- 105
- 106
- 107
- 108
- 109
- 110
- 111
- 112
- 113
- 114
- 115
- 116
- 117
- 118
- 119
- 120
- 121
- 122
- 123
- 124
- 125
- 126
- 127
- 128
- 129
- 130
- 131
- 132
- 133
- 134
- 135
- 136
- 137
- 138
- 139
- 140
- 141
- 142
- 143
- 144
- 145
- 146
- 147
- 148
- 149
- 150
- 151
- 152
- 153
- 154
- 155
- 156
- 157
- 158
- 159
- 160
- 161
- 162
- 163
- 164
- 165
- 166
- 167
- 168
- 169
- 170
- 171
- 172
- 173
- 174
- 175
- 176
- 177
- 178
- 179
- 180
- 181
- 182
- 183
- 184
- 185
- 186
- 187
- 188
- 189
- 190
- 191
- 192
rk32_dp.c
diff --git a/drivers/video/rockchip/transmitter/rk32_dp.c b/drivers/video/rockchip/transmitter/rk32_dp.c
index 6d386bc..0bffdb0 100755
--- a/drivers/video/rockchip/transmitter/rk32_dp.c
+++ b/drivers/video/rockchip/transmitter/rk32_dp.c
@@ -129,7 +129,7 @@
struct rk_screen *screen = &edp->screen;
u32 val = 0;
- rk_fb_get_prmry_screen(screen);
+ rk_fb_get_screen(screen, edp->prop);
if (cpu_is_rk3288()) {
if (screen->lcdc_id == 1) /*select lcdc*/
@@ -1734,17 +1734,21 @@
struct resource *res;
struct device_node *np = pdev->dev.of_node;
int ret;
+ int prop;
if (!np) {
dev_err(&pdev->dev, "Missing device tree node.\n");
return -EINVAL;
}
+ of_property_read_u32(np, "prop", &prop);
+ pr_info("Use EDP as %s screen\n", (prop == PRMRY) ? "prmry" : "extend");
edp = devm_kzalloc(&pdev->dev, sizeof(struct rk32_edp), GFP_KERNEL);
if (!edp) {
dev_err(&pdev->dev, "no memory for state\n");
return -ENOMEM;
}
+ edp->prop = prop;
edp->dev = &pdev->dev;
edp->video_info.h_sync_polarity = 0;
edp->video_info.v_sync_polarity = 0;
@@ -1756,7 +1760,7 @@
edp->video_info.link_rate = LINK_RATE_1_62GBPS;
edp->video_info.lane_count = LANE_CNT4;
- rk_fb_get_prmry_screen(&edp->screen);
+ rk_fb_get_screen(&edp->screen, prop);
if (edp->screen.type != SCREEN_EDP) {
dev_err(&pdev->dev, "screen is not edp!\n");
return -EINVAL;
@@ -1852,7 +1856,7 @@
pm_runtime_get_sync(&pdev->dev);
rk32_edp = edp;
- rk_fb_trsm_ops_register(&trsm_edp_ops, SCREEN_EDP);
+ rk_fb_trsm_ops_register(&trsm_edp_ops, prop);
#if defined(CONFIG_DEBUG_FS)
edp->debugfs_dir = debugfs_create_dir("edp", NULL);
if (IS_ERR(edp->debugfs_dir)) {
diff --git a/drivers/video/rockchip/transmitter/rk32_dp.h b/drivers/video/rockchip/transmitter/rk32_dp.h
index 2dc41c6..fda0de2 100755
--- a/drivers/video/rockchip/transmitter/rk32_dp.h
+++ b/drivers/video/rockchip/transmitter/rk32_dp.h
@@ -571,6 +571,7 @@
bool edp_en;
int soctype;
struct dentry *debugfs_dir;
+ int prop;
};
```
#### rk32_mipi_dsi.c
```
diff --git a/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c b/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
index 741fdb5..ed68d85 100644
--- a/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
+++ b/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
@@ -1609,7 +1609,7 @@
pm_runtime_get_sync(&dsi0->pdev->dev);
#endif
opt_mode = dsi0->screen.refresh_mode;
- rk_fb_get_prmry_screen(dsi0->screen.screen);
+ rk_fb_get_screen(dsi0->screen.screen, dsi0->prop);
dsi0->screen.lcdc_id = dsi0->screen.screen->lcdc_id;
rk32_init_phy_mode(dsi0->screen.lcdc_id);
@@ -1875,7 +1875,7 @@
static int rk32_mipi_dsi_probe(struct platform_device *pdev)
{
int ret = 0;
- static int id;
+ static int id, prop;
struct dsi *dsi;
struct mipi_dsi_ops *ops;
struct rk_screen *screen;
@@ -1890,7 +1890,8 @@
return -ENODEV;
}
data = of_id->data;
-
+ of_property_read_u32(np, "prop", &prop);
+ pr_info("Use mipi as %s screen\n", (prop == PRMRY) ? "prmry" : "extend");
dsi = devm_kzalloc(&pdev->dev, sizeof(struct dsi), GFP_KERNEL);
if (!dsi) {
dev_err(&pdev->dev, "request struct dsi fail!\n");
@@ -1997,8 +1998,8 @@
dev_err(&pdev->dev, "request struct rk_screen fail!\n");
return -1;
}
- rk_fb_get_prmry_screen(screen);
-
+ rk_fb_get_screen(screen, prop);
+ dsi->prop = prop;
dsi->pdev = pdev;
ops = &dsi->ops;
ops->dsi = dsi;
@@ -2056,7 +2057,7 @@
if(!support_uboot_display())
rk32_init_phy_mode(dsi_screen->lcdc_id);
*/
- rk_fb_trsm_ops_register(&trsm_dsi_ops, SCREEN_MIPI);
+ rk_fb_trsm_ops_register(&trsm_dsi_ops, prop);
#ifdef MIPI_DSI_REGISTER_IO
debugfs_create_file("mipidsi0", S_IFREG | S_IRUGO, dsi->debugfs_dir, dsi,
®_proc_fops);- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
- 91
- 92
- 93
- 94
- 95
- 96
- 97
- 98
- 99
- 100
- 101
- 102
- 103
- 104
- 105
- 106
- 107
- 108
- 109
- 110
- 111
- 112
- 113
- 114
- 115
- 116
- 117
- 118
rk32_mipi_dsi.h
diff --git a/drivers/video/rockchip/transmitter/rk32_mipi_dsi.h b/drivers/video/rockchip/transmitter/rk32_mipi_dsi.h
index f568254..473db82 100644
--- a/drivers/video/rockchip/transmitter/rk32_mipi_dsi.h
+++ b/drivers/video/rockchip/transmitter/rk32_mipi_dsi.h
@@ -307,6 +307,7 @@
struct dsi {
u8 dsi_id;
u8 lcdc_id;
+ int prop;
u8 vid;
u8 clk_on;
struct regmap *grf_base;- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
rk_fb.h
diff --git a/include/dt-bindings/display/rk_fb.h b/include/dt-bindings/display/rk_fb.h
index 81c9855..ae7241d 100755
--- a/include/dt-bindings/display/rk_fb.h
+++ b/include/dt-bindings/display/rk_fb.h
@@ -14,6 +14,13 @@
#define DUAL 2
#define DUAL_LCD 3
+#define DEFAULT_MODE 0
+#define HDMI_720P 0
+#define HDMI_1080P 1
+#define HDMI_2160P 2
+#define NTSC_CVBS 3
+#define PAL_CVBS 4
+
#define DEFAULT_MODE 0
#define ONE_VOP_DUAL_MIPI_HOR_SCAN 1
#define ONE_VOP_DUAL_MIPI_VER_SCAN 2- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
lcd 的 dtsi
diff --git a/include/dt-bindings/display/screen-timing/lcd-F402.dtsi b/include/dt-bindings/display/screen-timing/lcd-F402.dtsi
index a3ad25f..abe178f 100644
--- a/include/dt-bindings/display/screen-timing/lcd-F402.dtsi
+++ b/include/dt-bindings/display/screen-timing/lcd-F402.dtsi
@@ -4,9 +4,9 @@
*/
-disp_timings: display-timings {
- native-mode = <&timing0>;
- timing0: timing0 {
+display-timings {
+ native-mode = <&f402>;
+ f402: timing0 {
screen-type = <SCREEN_EDP>;
out-face = <OUT_P666>;
clock-frequency = <205000000>;- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
diff --git a/include/dt-bindings/display/screen-timing/lcd-box.dtsi b/include/dt-bindings/display/screen-timing/lcd-box.dtsi
index 2109a89..20e2a21 100644
--- a/include/dt-bindings/display/screen-timing/lcd-box.dtsi
+++ b/include/dt-bindings/display/screen-timing/lcd-box.dtsi
@@ -3,36 +3,9 @@
*
*/
- disp_power_ctr: power_ctr {
- /* rockchip,debug = <0>;
- lcd_en:lcd_en {
- rockchip,power_type = <GPIO>;
- gpios = <&gpio0 GPIO_B0 GPIO_ACTIVE_HIGH>;
- rockchip,delay = <10>;
- };
-
- bl_en:bl_en {
- rockchip,power_type = <GPIO>;
- gpios = <&gpio0 GPIO_A2 GPIO_ACTIVE_HIGH>;
- rockchip,delay = <10>;
- };
-
- bl_ctr:bl_ctr {
- rockchip,power_type = <GPIO>;
- gpios = <&gpio3 GPIO_D6 GPIO_ACTIVE_HIGH>;
- rockchip,delay = <10>;
- };
-
- lcd_rst:lcd_rst {
- rockchip,power_type = <REGULATOR>;
- rockchip,delay = <5>;
- };*/
-
-};
-
-disp_timings: display-timings {
- native-mode = <&timing0>;
- timing0: timing0 {
+display-timings {
+ native-mode = <&hdmi_720p>;
+ hdmi_720p: timing0 {
screen-type = <SCREEN_RGB>;
out-face = <OUT_P888>;
color-mode = <COLOR_YCBCR>;
@@ -53,7 +26,7 @@
swap-rg = <0>;
swap-gb = <0>;
};
- timing1: timing1 {
+ hdmi_1080p: timing1 {
screen-type = <SCREEN_RGB>;
out-face = <OUT_P888>;
color-mode = <COLOR_YCBCR>;
@@ -74,7 +47,7 @@
swap-rg = <0>;
swap-gb = <0>;
};
- timing2: timing2 {
+ hdmi_2160p: timing2 {
screen-type = <SCREEN_RGB>;
out-face = <OUT_P888>;
color-mode = <COLOR_YCBCR>;- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
diff --git a/include/dt-bindings/display/screen-timing/lcd-tv080wum-nl0-mipi.dtsi b/include/dt-bindings/display/screen-timing/lcd-tv080wum-nl0-mipi.dtsi
index b408d65..6a203a9 100644
--- a/include/dt-bindings/display/screen-timing/lcd-tv080wum-nl0-mipi.dtsi
+++ b/include/dt-bindings/display/screen-timing/lcd-tv080wum-nl0-mipi.dtsi
@@ -84,10 +84,10 @@
*/
};
-disp_timings: display-timings {
- native-mode = <&timing0>;
+display-timings {
+ native-mode = <&tv080wum_nl0_mipi>;
compatible = "rockchip,display-timings";
- timing0: timing0 {
+ tv080wum_nl0_mipi: timing0 {
screen-type = <SCREEN_MIPI>;
lvds-format = <LVDS_8BIT_2>;
out-face = <OUT_P888>;
diff --git a/include/linux/rk_fb.h b/include/linux/rk_fb.h
index d7634a8..1130ea4 100755
--- a/include/linux/rk_fb.h
+++ b/include/linux/rk_fb.h
@@ -811,7 +811,10 @@
extern int rk_fb_get_prmry_screen( struct rk_screen *screen);
extern int rk_fb_set_prmry_screen(struct rk_screen *screen);
extern u32 rk_fb_get_prmry_screen_pixclock(void);
-extern int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv);
+extern int rk_fb_get_screen(struct rk_screen *screen, int prop);
+extern int rk_fb_set_screen(struct rk_screen *screen, int prop);
+extern int rk_disp_pwr_ctr_parse_dt(struct device_node *np,
+ struct rk_screen *rk_screen);
extern int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv);
extern int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv);
extern bool is_prmry_rk_lcdc_registered(void);
diff --git a/include/linux/rk_screen.h b/include/linux/rk_screen.h
index 5e5cd30..71a0d4d 100644
--- a/include/linux/rk_screen.h
+++ b/include/linux/rk_screen.h
@@ -61,13 +61,17 @@
*ft: the time need to display one frame time
*/
struct rk_screen {
- u16 type;
+ struct device *dev;
+ int prop;
u16 refresh_mode;
+ struct list_head *pwrlist_head;
+ u16 type;
u16 lvds_format;
u16 face;
u16 color_mode;
u8 lcdc_id;
u8 screen_id;
+ int native_mode;
struct fb_videomode mode;
u32 post_dsp_stx;
u32 post_dsp_sty;
@@ -145,7 +149,7 @@
};
extern void set_lcd_info(struct rk_screen *screen, struct rk29lcd_info *lcd_info);
-extern size_t get_fb_size(u8 reserved_fb);
+extern size_t get_fb_size(u8 reserved_fb, struct rk_screen *screen);
extern void set_tv_info(struct rk_screen *screen);
extern void set_hdmi_info(struct rk_screen *screen);最新文章
- 【前端开发】优化代码之减少引入，css预编译语言的优点，stylus的使用
- Windows 2008如何绑定MAC防范ARP攻击!
- PHP Execute Command Bypass Disable_functions
- 二模10day2解题报告
- [LeetCode] 56. Merge Intervals 解题思路
- (转)CommandArgument用法
- hdu 4932 Miaomiao&#39;s Geometry(暴力)
- [AtCoder arc090E]Avoiding Collision
- 记录Nginx实现内容重定向的两种方式：rewrite和反向代理
- 智能化CRM客户关系管理系统介绍一
- js获取当前时区GMT
- Linux基础：用tcpdump抓包（转）
- js 提交表单添加csrf
- 并发编程---线程---开启方式---进程线程的区别----Thread的其他属性
- [JavaScript] - replaceAll,将字符串中的字母或数字等全部替换掉的方式
- 【其他】【navicat】【1】navicat导入txt文件中文乱码问题解决
- centos 6.9 NTP基准时间服务器配置
- c# ?. 空值传播运算符
- linux的客户端安装步骤配置
- python while嵌套循环