/*
* Copyright (C) 2012 ROCKCHIP, Inc.
- *
+ * drivers/video/display/transmitter/tc358768.c
* author: hhb@rock-chips.com
* create date: 2012-10-26
* This software is licensed under the terms of the GNU General Public
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-
-#include "tc358768.h"
+#include <linux/fb.h>
+#include <linux/delay.h>
+#include <linux/rk_fb.h>
+#include <mach/gpio.h>
+#include <mach/iomux.h>
+#include <mach/board.h>
+#include <linux/rk_screen.h>
+#include <linux/ktime.h>
+#include "mipi_dsi.h"
+
+#define CONFIG_TC358768_I2C 1
+#define CONFIG_TC358768_I2C_CLK 400*1000
+
#if 0
#define dsi_debug printk
#endif
#ifdef CONFIG_TC358768_I2C
-struct tc358768_t *tc358768 = NULL;
-struct i2c_client *tc358768_client = NULL;
-struct mipi_dsi_t *dsi;
+static struct tc358768_t *tc358768 = NULL;
+static struct i2c_client *tc358768_client = NULL;
+static struct mipi_dsi_ops tc358768_ops;
u32 i2c_write_32bits(u32 value)
if(reset->reset_pin > INVALID_GPIO) {
ret = gpio_request(reset->reset_pin, "tc358768_reset");
if (ret != 0) {
- gpio_free(reset->reset_pin);
+ //gpio_free(reset->reset_pin);
printk("%s: request TC358768_RST_PIN error\n", __func__);
} else {
+#if OLD_RK_IOMUX
if(reset->mux_name)
rk30_mux_api_set(reset->mux_name, reset->mux_mode);
- gpio_direction_output(reset->reset_pin, reset->effect_value);
+#endif
+ gpio_direction_output(reset->reset_pin, !reset->effect_value);
}
}
if(vdd->enable_pin > INVALID_GPIO) {
ret = gpio_request(vdd->enable_pin, "tc358768_vddc");
if (ret != 0) {
- gpio_free(vdd->enable_pin);
+ //gpio_free(vdd->enable_pin);
printk("%s: request TC358768_vddc_PIN error\n", __func__);
} else {
+#if OLD_RK_IOMUX
if(vdd->mux_name)
rk30_mux_api_set(vdd->mux_name, vdd->mux_mode);
+#endif
gpio_direction_output(vdd->enable_pin, !vdd->effect_value);
}
}
if(vdd->enable_pin > INVALID_GPIO) {
ret = gpio_request(vdd->enable_pin, "tc358768_vddio");
if (ret != 0) {
- gpio_free(vdd->enable_pin);
+ //gpio_free(vdd->enable_pin);
printk("%s: request TC358768_vddio_PIN error\n", __func__);
} else {
+#if OLD_RK_IOMUX
if(vdd->mux_name)
rk30_mux_api_set(vdd->mux_name, vdd->mux_mode);
+#endif
gpio_direction_output(vdd->enable_pin, !vdd->effect_value);
}
}
if(vdd->enable_pin > INVALID_GPIO) {
ret = gpio_request(vdd->enable_pin, "tc358768_vdd_mipi");
if (ret != 0) {
- gpio_free(vdd->enable_pin);
+ //gpio_free(vdd->enable_pin);
printk("%s: request TC358768_vdd_mipi_PIN error\n", __func__);
} else {
+#if OLD_RK_IOMUX
if(vdd->mux_name)
rk30_mux_api_set(vdd->mux_name, vdd->mux_mode);
+#endif
gpio_direction_output(vdd->enable_pin, !vdd->effect_value);
}
}
int tc358768_gpio_deinit(void *data) {
struct reset_t *reset = &tc358768->reset;
struct power_t *vdd = &tc358768->vddc;
+ gpio_direction_input(reset->reset_pin);
gpio_free(reset->reset_pin);
+ gpio_direction_input(vdd->enable_pin);
+ gpio_free(vdd->enable_pin);
+
vdd = &tc358768->vddio;
+ gpio_direction_input(vdd->enable_pin);
gpio_free(vdd->enable_pin);
vdd = &tc358768->vdd_mipi;
+ gpio_direction_input(vdd->enable_pin);
gpio_free(vdd->enable_pin);
return 0;
}
}
-int tc358768_power_up(void *data) {
+int tc358768_power_up(void) {
+
int ret = 0;
struct tc358768_t *tc = (struct tc358768_t *)tc358768;
return ret;
}
-int tc358768_power_down(void *data) {
+int tc358768_power_down(void) {
+
int ret = 0;
struct tc358768_t *tc = (struct tc358768_t *)tc358768;
const struct i2c_device_id *did)
{
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
-
int ret = 0;
if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) {
"I2C-Adapter doesn't support I2C_FUNC_I2C\n");
return -EIO;
}
+
tc358768 = (struct tc358768_t *)client->dev.platform_data;
if(!tc358768) {
ret = -1;
printk("%s:%d tc358768 is null\n", __func__, __LINE__);
return ret;
}
-
+
tc358768_client = client;
if(!tc358768_client) {
ret = -1;
if(!tc358768->vdd_mipi.disable)
tc358768->vdd_mipi.disable = tc358768_vdd_disable;
- dsi->chip = tc358768;
-
+ tc358768_gpio_init(NULL);
+
return ret;
}
static int tc358768_remove(struct i2c_client *client)
{
+ tc358768_gpio_deinit(NULL);
tc358768_client = NULL;
tc358768 = NULL;
return 0;
return 0;
}
+int tc358768_get_id(void) {
+
+ int id = -1;
+
+ tc358768_power_up();
+ id = tc358768_rd_reg_32bits(0);
+ return id;
+}
+
+static struct mipi_dsi_ops tc358768_ops = {
+ .id = 0x4401,
+ .name = "tc358768a",
+ .get_id = tc358768_get_id,
+ .dsi_set_regs = _tc358768_wr_regs_32bits,
+ .dsi_send_dcs_packet = mipi_dsi_send_dcs_packet,
+ .dsi_read_dcs_packet = mipi_dsi_read_dcs_packet,
+ .power_up = tc358768_power_up,
+ .power_down = tc358768_power_down,
+
+};
-int tc358768_init(struct mipi_dsi_t *pram) {
- int ret = 0;
- dsi = pram;
- if(!dsi)
- return -1;
- dsi->id = 0x4401;
- dsi->dsi_init = _tc358768_wr_regs_32bits;
- dsi->dsi_hs_start = _tc358768_wr_regs_32bits;
- dsi->dsi_send_dcs_packet = mipi_dsi_send_dcs_packet;
- dsi->dsi_read_dcs_packet = mipi_dsi_read_dcs_packet;
+static int __init tc358768_module_init(void)
+{
#ifdef CONFIG_TC358768_I2C
i2c_add_driver(&tc358768_driver);
-#endif
- tc358768_gpio_init(NULL);
- return 0;
-exit_init:
- //tc358768_power_down(NULL);
- tc358768_gpio_deinit(NULL);
- return -1;
+
+ if(!tc358768 || !tc358768_client)
+ return -1;
+#endif
+
+ register_dsi_ops(&tc358768_ops);
+ if(tc358768->id > 0)
+ tc358768_ops.id = tc358768->id;
+ return 0;
}
+
+static void __exit tc358768_module_exit(void)
+{
+ del_dsi_ops(&tc358768_ops);
+#ifdef CONFIG_TC358768_I2C
+ i2c_del_driver(&tc358768_driver);
+#endif
+}
+
+subsys_initcall_sync(tc358768_module_init);
+//module_exit(tc358768_module_init);
+module_exit(tc358768_module_exit);
projects / firefly-linux-kernel-4.4.55.git / blobdiff