static
int jdi_cmd_panel_reset(
struct mdfld_dsi_config *dsi_config)
{
int ret = 0;
u8 *vaddr = NULL, *vaddr1 = NULL;
int reg_value_scl = 0;
PSB_DEBUG_ENTRY("\n");
/* Because when reset touchscreen panel, touchscreen will pull i2c bus
* to low, sometime this operation will cause i2c bus enter into wrong
* status, so before reset, switch i2c scl pin */
vaddr1 = ioremap(SECURE_I2C_FLIS_REG, 4);
reg_value_scl = ioread32(vaddr1);
reg_value_scl &= ~0x1000;
rpmsg_send_generic_raw_command(RP_INDIRECT_WRITE, 0,
(u8 *)®_value_scl, 4,
NULL, 0,
SECURE_I2C_FLIS_REG, 0);
__vpro2_power_ctrl(true);
usleep_range(2000, 2500);
if (bias_en_gpio == 0) {
bias_en_gpio = 189;
ret = gpio_request(bias_en_gpio, "bias_enable");
if (ret) {
DRM_ERROR("Faild to request bias_enable gpio\n");
return -EINVAL;
}
gpio_direction_output(bias_en_gpio, 0);
}
_get_panel_reset_gpio();
gpio_direction_output(bias_en_gpio, 0);
gpio_direction_output(mipi_reset_gpio, 0);
gpio_set_value_cansleep(bias_en_gpio, 0);
gpio_set_value_cansleep(mipi_reset_gpio, 0);
usleep_range(2000, 2500);
gpio_set_value_cansleep(bias_en_gpio, 1);
usleep_range(2000, 2500);
gpio_set_value_cansleep(mipi_reset_gpio, 1);
usleep_range(3000, 3500);
vaddr = ioremap(0xff0c2d00, 0x60);
iowrite32(0x3221, vaddr + 0x1c);
usleep_range(2000, 2500);
iounmap(vaddr);
/* switch i2c scl pin back */
reg_value_scl |= 0x1000;
rpmsg_send_generic_raw_command(RP_INDIRECT_WRITE, 0,
(u8 *)®_value_scl, 4,
NULL, 0,
SECURE_I2C_FLIS_REG, 0);
iounmap(vaddr1);
return 0;
}
static int mdfld_dsi_jdi_panel_reset(struct mdfld_dsi_config *dsi_config)
{
u8 *vaddr1 = NULL;
int reg_value_scl = 0;
int ret = 0;
PSB_DEBUG_ENTRY("\n");
/* Because when reset touchscreen panel, touchscreen will pull i2c bus
* to low, sometime this operation will cause i2c bus enter into wrong
* status, so before reset, switch i2c scl pin */
vaddr1 = ioremap(SECURE_I2C_FLIS_REG, 4);
reg_value_scl = ioread32(vaddr1);
reg_value_scl &= ~0x1000;
rpmsg_send_generic_raw_command(RP_INDIRECT_WRITE, 0,
(u8 *)®_value_scl, 4,
NULL, 0,
SECURE_I2C_FLIS_REG, 0);
intel_scu_ipc_msic_vprog2(true);
/* For meeting tRW1 panel spec */
usleep_range(2000, 2500);
if (bias_en_gpio == 0) {
bias_en_gpio = 189;
ret = gpio_request(bias_en_gpio, "bias_enable");
if (ret) {
DRM_ERROR("Faild to request bias_enable gpio\n");
return -EINVAL;
}
gpio_direction_output(bias_en_gpio, 0);
}
if (mipi_reset_gpio == 0) {
ret = get_gpio_by_name("disp0_rst");
if (ret < 0) {
DRM_ERROR("Faild to get panel reset gpio, " \
"use default reset pin\n");
return -EINVAL;
}
mipi_reset_gpio = ret;
ret = gpio_request(mipi_reset_gpio, "mipi_display");
if (ret) {
DRM_ERROR("Faild to request panel reset gpio\n");
return -EINVAL;
}
gpio_direction_output(mipi_reset_gpio, 0);
}
gpio_direction_output(bias_en_gpio, 0);
gpio_direction_output(mipi_reset_gpio, 0);
gpio_set_value_cansleep(bias_en_gpio, 0);
gpio_set_value_cansleep(mipi_reset_gpio, 0);
usleep_range(2000, 2500);
gpio_set_value_cansleep(bias_en_gpio, 1);
usleep_range(2000, 2500);
gpio_set_value_cansleep(mipi_reset_gpio, 1);
usleep_range(2000, 2500);
/* switch i2c scl pin back */
reg_value_scl |= 0x1000;
rpmsg_send_generic_raw_command(RP_INDIRECT_WRITE, 0,
(u8 *)®_value_scl, 4,
NULL, 0,
SECURE_I2C_FLIS_REG, 0);
iounmap(vaddr1);
return 0;
}
static int sharp10x19_cmd_panel_reset(struct mdfld_dsi_config *dsi_config)
{
int ret = 0;
u8 *vaddr = NULL, *vaddr1 = NULL;
struct drm_device *dev = dsi_config->dev;
int reg_value_scl = 0;
PSB_DEBUG_ENTRY("\n");
if (is_dual_panel(dev)) {
struct i2c_adapter *adapter;
u8 i2_data[4];
adapter = i2c_get_adapter(EXPANDER_BUS_NUMBER);
if (adapter) {
i2_data[0] = 0x4;
i2_data[1] = 0x0;
i2c_clients_command(adapter, 1, i2_data);
i2_data[0] = 0x5;
i2_data[1] = 0x3;
i2c_clients_command(adapter, 1, i2_data);
}
}
/* Because when reset touchscreen panel, touchscreen will pull i2c bus
* to low, sometime this operation will cause i2c bus enter into wrong
* status, so before reset, switch i2c scl pin */
vaddr1 = ioremap(SECURE_I2C_FLIS_REG, 4);
reg_value_scl = ioread32(vaddr1);
reg_value_scl &= ~0x1000;
rpmsg_send_generic_raw_command(RP_INDIRECT_WRITE, 0,
(u8 *)®_value_scl, 4,
NULL, 0,
SECURE_I2C_FLIS_REG, 0);
__vpro2_power_ctrl(true);
usleep_range(2000, 2500);
if (bias_en_gpio == 0) {
bias_en_gpio = 189;
ret = gpio_request(bias_en_gpio, "bias_enable");
if (ret) {
DRM_ERROR("Faild to request bias_enable gpio\n");
return -EINVAL;
}
gpio_direction_output(bias_en_gpio, 0);
pr_info("gpio_bias_enable=%d\n", bias_en_gpio);
}
_get_panel_reset_gpio(is_dual_panel(dev));
gpio_direction_output(bias_en_gpio, 0);
gpio_direction_output(mipi_reset_gpio, 0);
if (is_dual_panel(dev))
gpio_direction_output(mipic_reset_gpio, 0);
gpio_set_value_cansleep(bias_en_gpio, 0);
gpio_set_value_cansleep(mipi_reset_gpio, 0);
if (is_dual_panel(dev))
gpio_set_value_cansleep(mipic_reset_gpio, 0);
usleep_range(2000, 2500);
gpio_set_value_cansleep(bias_en_gpio, 1);
usleep_range(2000, 2500);
gpio_set_value_cansleep(mipi_reset_gpio, 1);
usleep_range(2000, 2500);
if (is_dual_panel(dev)) {
gpio_set_value_cansleep(mipic_reset_gpio, 1);
usleep_range(3000, 3500);
}
vaddr = ioremap(0xff0c2d00, 0x60);
iowrite32(0x3221, vaddr + 0x1c);
usleep_range(2000, 2500);
iounmap(vaddr);
/* switch i2c scl pin back */
reg_value_scl |= 0x1000;
rpmsg_send_generic_raw_command(RP_INDIRECT_WRITE, 0,
(u8 *)®_value_scl, 4,
NULL, 0,
SECURE_I2C_FLIS_REG, 0);
iounmap(vaddr1);
return 0;
}
