static int __devinit mdss_dsi_probe(struct platform_device *pdev)
{
int rc = 0;
pr_debug("%s\n", __func__);
if (pdev->dev.of_node && !mdss_dsi_resource_initialized) {
struct resource *mdss_dsi_mres;
pdev->id = 1;
mdss_dsi_mres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mdss_dsi_mres) {
pr_err("%s:%d unable to get the MDSS resources",
__func__, __LINE__);
return -ENOMEM;
}
if (mdss_dsi_mres) {
mdss_dsi_base = ioremap(mdss_dsi_mres->start,
resource_size(mdss_dsi_mres));
if (!mdss_dsi_base) {
pr_err("%s:%d unable to remap dsi resources",
__func__, __LINE__);
return -ENOMEM;
}
}
rc = mdss_dsi_regulator_init(pdev);
if (rc) {
dev_err(&pdev->dev,
"%s: failed to init regulator, rc=%d\n",
__func__, rc);
iounmap(mdss_dsi_base);
return rc;
}
if (mdss_dsi_clk_init(pdev)) {
iounmap(mdss_dsi_base);
return -EPERM;
}
rc = of_platform_populate(pdev->dev.of_node,
NULL, NULL, &pdev->dev);
if (rc) {
dev_err(&pdev->dev,
"%s: failed to add child nodes, rc=%d\n",
__func__, rc);
iounmap(mdss_dsi_base);
return rc;
}
mdss_dsi_resource_initialized = 1;
}
if (!mdss_dsi_resource_initialized)
return -EPERM;
return 0;
}
int dsi_panel_device_register(struct device_node *pan_node,
struct mdss_dsi_ctrl_pdata *ctrl_pdata)
{
struct mipi_panel_info *mipi;
int rc, i, len;
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool dynamic_fps;
const char *data;
struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info);
enum of_gpio_flags flags;
mipi = &(pinfo->mipi);
pinfo->type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
rc = mdss_dsi_clk_div_config(pinfo, mipi->frame_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
dsi_ctrl_np = of_parse_phandle(pan_node,
"qcom,mdss-dsi-panel-controller", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
pr_err("%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-strength-ctrl", &len);
if ((!data) || (len != 2)) {
pr_err("%s:%d, Unable to read Phy Strength ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
pinfo->mipi.dsi_phy_db.strength[0] = data[0];
pinfo->mipi.dsi_phy_db.strength[1] = data[1];
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-regulator-settings", &len);
if ((!data) || (len != 7)) {
pr_err("%s:%d, Unable to read Phy regulator settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.regulator[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-bist-ctrl", &len);
if ((!data) || (len != 6)) {
pr_err("%s:%d, Unable to read Phy Bist Ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.bistctrl[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-lane-config", &len);
if ((!data) || (len != 45)) {
pr_err("%s:%d, Unable to read Phy lane configure settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.lanecfg[i] =
data[i];
}
ctrl_pdata->shared_pdata.broadcast_enable = of_property_read_bool(
pan_node, "qcom,mdss-dsi-panel-broadcast-mode");
dynamic_fps = of_property_read_bool(pan_node,
"qcom,mdss-dsi-pan-enable-dynamic-fps");
if (dynamic_fps) {
pinfo->dynamic_fps = true;
data = of_get_property(pan_node,
"qcom,mdss-dsi-pan-fps-update", NULL);
if (data) {
if (!strcmp(data, "dfps_suspend_resume_mode")) {
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_clk_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_CLK_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate clk\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_porch_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_PORCH_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate porch\n",
__func__);
} else {
pr_debug("%s: dfps to default mode\n",
__func__);
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
}
} else {
pr_debug("%s: dfps update mode not configured\n",
__func__);
pinfo->dynamic_fps =
false;
pr_debug("%s: dynamic FPS disabled\n",
__func__);
}
pinfo->new_fps = pinfo->mipi.frame_rate;
}
pinfo->panel_max_fps = mdss_panel_get_framerate(pinfo);
pinfo->panel_max_vtotal = mdss_panel_get_vtotal(pinfo);
ctrl_pdata->disp_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio))
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
pr_err("%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
} else {
int func;
rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
if (rc) {
pr_err("request TE gpio failed, rc=%d\n",
rc);
return -ENODEV;
}
if (pinfo->type == MIPI_CMD_PANEL)
func = 1;
else
func = 0;
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_te_gpio, func,
GPIO_CFG_INPUT,
GPIO_CFG_PULL_DOWN,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->disp_te_gpio);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_direction_input(ctrl_pdata->disp_te_gpio);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
pr_debug("%s: te_gpio=%d\n", __func__,
ctrl_pdata->disp_te_gpio);
}
ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-reset-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->rst_gpio))
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
ctrl_pdata->mode_gpio = of_get_named_gpio(
ctrl_pdev->dev.of_node,
"qcom,platform-mode-gpio", 0);
if (pinfo->mode_gpio_state != MODE_GPIO_NOT_VALID) {
if (!gpio_is_valid(ctrl_pdata->mode_gpio))
pr_info("%s:%d, mode gpio not specified\n",
__func__, __LINE__);
}
if (ctrl_pdata->partial_mode_enabled) {
ctrl_pdata->mipi_d0_sel = of_get_named_gpio_flags(
ctrl_pdev->dev.of_node, "mmi,mipi-d0-sel", 0, &flags);
if (!gpio_is_valid(ctrl_pdata->mipi_d0_sel)) {
pr_info("%s:%d, mipi d0 sel gpio not specified\n",
__func__, __LINE__);
ctrl_pdata->partial_mode_enabled = false;
} else {
rc = gpio_request_one(ctrl_pdata->mipi_d0_sel, flags,
"mipi_d0_sel");
if (rc) {
pr_err("request mipi d0 sel gpio failed, rc=%d\n",
rc);
if (gpio_is_valid(ctrl_pdata->disp_te_gpio))
gpio_free(ctrl_pdata->disp_te_gpio);
ctrl_pdata->partial_mode_enabled = false;
return -ENODEV;
}
gpio_export(ctrl_pdata->mipi_d0_sel, 1);
}
}
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
pinfo->pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = mipi->dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = pinfo->clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
if (pinfo->cont_splash_enabled) {
pinfo->panel_power_on = 1;
/*
* This call intends to call to gpio_request for display's
* reset gpio, because with cont_splash_enabled, there is
* no call to the mdss_dsi_panel_reset(1), but when the first
* suspend call, it will call mdss_dsi_panel_reset(0). This
* will call to gpio_free() for reset spio, and WARN() msg will
* be called because gpio_free() is called without gpio_request
*/
rc = mdss_dsi_panel_reset(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel reset on failed\n", __func__);
return rc;
}
rc = mdss_dsi_panel_power_on(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
mdss_dsi_clk_ctrl(ctrl_pdata, DSI_ALL_CLKS, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
} else {
pinfo->panel_power_on = 0;
}
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
pr_err("%s: unable to register MIPI DSI panel\n", __func__);
return rc;
}
if (pinfo->pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
pr_debug("%s: Panel data initialized\n", __func__);
return 0;
}
int dsi_panel_device_register(struct device_node *pan_node,
struct mdss_dsi_ctrl_pdata *ctrl_pdata)
{
struct mipi_panel_info *mipi;
int rc, i, len;
struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info);
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool dynamic_fps;
const char *data;
mipi = &(pinfo->mipi);
pinfo->type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
rc = mdss_dsi_clk_div_config(pinfo, mipi->frame_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
dsi_ctrl_np = of_parse_phandle(pan_node,
"qcom,mdss-dsi-panel-controller", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
pr_err("%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-strength-ctrl", &len);
if ((!data) || (len != 2)) {
pr_err("%s:%d, Unable to read Phy Strength ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
pinfo->mipi.dsi_phy_db.strength[0] = data[0];
pinfo->mipi.dsi_phy_db.strength[1] = data[1];
pinfo->mipi.dsi_phy_db.reg_ldo_mode = of_property_read_bool(
ctrl_pdev->dev.of_node, "qcom,regulator-ldo-mode");
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-regulator-settings", &len);
if ((!data) || (len != 7)) {
pr_err("%s:%d, Unable to read Phy regulator settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.regulator[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-bist-ctrl", &len);
if ((!data) || (len != 6)) {
pr_err("%s:%d, Unable to read Phy Bist Ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.bistctrl[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-lane-config", &len);
if ((!data) || (len != 45)) {
pr_err("%s:%d, Unable to read Phy lane configure settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.lanecfg[i] =
data[i];
}
ctrl_pdata->shared_pdata.broadcast_enable = of_property_read_bool(
pan_node, "qcom,mdss-dsi-panel-broadcast-mode");
dynamic_fps = of_property_read_bool(pan_node,
"qcom,mdss-dsi-pan-enable-dynamic-fps");
if (dynamic_fps) {
pinfo->dynamic_fps = true;
data = of_get_property(pan_node,
"qcom,mdss-dsi-pan-fps-update", NULL);
if (data) {
if (!strcmp(data, "dfps_suspend_resume_mode")) {
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_clk_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_CLK_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate clk\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_porch_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_PORCH_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate porch\n",
__func__);
} else {
pr_debug("%s: dfps to default mode\n",
__func__);
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
}
} else {
pr_debug("%s: dfps update mode not configured\n",
__func__);
pinfo->dynamic_fps = false;
pr_debug("%s: dynamic FPS disabled\n",
__func__);
}
pinfo->new_fps = pinfo->mipi.frame_rate;
}
ctrl_pdata->disp_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio))
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
ctrl_pdata->bklt_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-bklight-en-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->bklt_en_gpio))
pr_info("%s: bklt_en gpio not specified\n", __func__);
ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-reset-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->rst_gpio))
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio))
pr_info("%s: disp_te_gpio not specified\n", __func__);
if (pinfo->mode_gpio_state != MODE_GPIO_NOT_VALID) {
ctrl_pdata->mode_gpio = of_get_named_gpio(
ctrl_pdev->dev.of_node,
"qcom,platform-mode-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->mode_gpio))
pr_info("%s:%d, mode gpio not specified\n",
__func__, __LINE__);
} else {
ctrl_pdata->mode_gpio = -EINVAL;
}
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
pinfo->pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
if (ctrl_pdata->status_mode == ESD_REG)
ctrl_pdata->check_status = mdss_dsi_reg_status_check;
else if (ctrl_pdata->status_mode == ESD_BTA)
ctrl_pdata->check_status = mdss_dsi_bta_status_check;
else if (ctrl_pdata->status_mode == ESD_REG_ZTE)
zte_lcd_check_status_init(ctrl_pdata);
if (ctrl_pdata->status_mode == ESD_MAX) {
pr_err("%s: Using default BTA for ESD check\n", __func__);
ctrl_pdata->check_status = mdss_dsi_bta_status_check;
}
#ifdef CONFIG_ZTEMT_LCD_ESD_TE_CHECK
if (ctrl_pdata->panel_name
&& (!strcmp(ctrl_pdata->panel_name, "cs nt35592 720p video mode dsi panel")
|| !strcmp(ctrl_pdata->panel_name, "lianchuang nt35592 720p video mode dsi panel"))) {
ctrl_pdata->check_status = zte_check_status_by_te;
printk("nt35592 check by te\n");
} else if (ctrl_pdata->panel_name
&& !strcmp(ctrl_pdata->panel_name, "success hx8392b 720p video mode dsi panel")) {
ctrl_pdata->check_status = success_hx83920b_check_status;
printk("hx83920b check faled always\n");
}
#endif
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = mipi->dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = pinfo->clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
if (pinfo->cont_splash_enabled) {
pinfo->panel_power_on = 1;
rc = mdss_dsi_panel_power_on(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
if (pinfo->mipi.lp11_init) {
if (mdss_dsi_pinctrl_set_state(ctrl_pdata, true))
pr_debug("reset enable: pinctrl not enabled\n");
rc = mdss_dsi_panel_reset(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel reset failed. rc=%d\n",
__func__, rc);
return rc;
}
}
mdss_dsi_clk_ctrl(ctrl_pdata, DSI_ALL_CLKS, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
} else {
pinfo->panel_power_on = 0;
}
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
pr_err("%s: unable to register MIPI DSI panel\n", __func__);
return rc;
}
if (pinfo->pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
pr_debug("%s: Panel data initialized\n", __func__);
return 0;
}
int dsi_panel_device_register(struct device_node *pan_node,
struct mdss_dsi_ctrl_pdata *ctrl_pdata)
{
struct mipi_panel_info *mipi;
int rc, i, len;
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool dynamic_fps;
const char *data;
struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info);
mipi = &(pinfo->mipi);
pinfo->type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
rc = mdss_dsi_clk_div_config(pinfo, mipi->frame_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
dsi_ctrl_np = of_parse_phandle(pan_node,
"qcom,mdss-dsi-panel-controller", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
pr_err("%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-strength-ctrl", &len);
if ((!data) || (len != 2)) {
pr_err("%s:%d, Unable to read Phy Strength ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
pinfo->mipi.dsi_phy_db.strength[0] = data[0];
pinfo->mipi.dsi_phy_db.strength[1] = data[1];
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-regulator-settings", &len);
if ((!data) || (len != 7)) {
pr_err("%s:%d, Unable to read Phy regulator settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.regulator[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-bist-ctrl", &len);
if ((!data) || (len != 6)) {
pr_err("%s:%d, Unable to read Phy Bist Ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.bistctrl[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-lane-config", &len);
if ((!data) || (len != 45)) {
pr_err("%s:%d, Unable to read Phy lane configure settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.lanecfg[i] =
data[i];
}
ctrl_pdata->shared_pdata.broadcast_enable = of_property_read_bool(
pan_node, "qcom,mdss-dsi-panel-broadcast-mode");
dynamic_fps = of_property_read_bool(pan_node,
"qcom,mdss-dsi-pan-enable-dynamic-fps");
if (dynamic_fps) {
pinfo->dynamic_fps = true;
data = of_get_property(pan_node,
"qcom,mdss-dsi-pan-fps-update", NULL);
if (data) {
if (!strcmp(data, "dfps_suspend_resume_mode")) {
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_clk_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_CLK_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate clk\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_porch_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_PORCH_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate porch\n",
__func__);
} else {
pr_debug("%s: dfps to default mode\n",
__func__);
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
}
} else {
pr_debug("%s: dfps update mode not configured\n",
__func__);
pinfo->dynamic_fps =
false;
pr_debug("%s: dynamic FPS disabled\n",
__func__);
}
pinfo->new_fps = pinfo->mipi.frame_rate;
}
ctrl_pdata->disp_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_en_gpio, "disp_enable");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
#ifdef CONFIG_HUAWEI_LCD
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_en_gpio, 0,
GPIO_CFG_OUTPUT,
GPIO_CFG_NO_PULL,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->disp_en_gpio);
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
rc = gpio_direction_output(ctrl_pdata->disp_en_gpio,1);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
pr_debug("%s: disp_gpio=%d\n", __func__,
ctrl_pdata->disp_en_gpio);
#endif
}
#ifdef CONFIG_HUAWEI_LCD
ctrl_pdata->bl_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,bl-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->bl_en_gpio)) {
pr_err("%s:%d, backlight_en gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->bl_en_gpio, "backlight_enable");
if (rc) {
pr_err("request backlight gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_en_gpio);
return -ENODEV;
}
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->bl_en_gpio, 0,
GPIO_CFG_OUTPUT,
GPIO_CFG_NO_PULL,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->bl_en_gpio);
gpio_free(ctrl_pdata->bl_en_gpio);
return -ENODEV;
}
rc = gpio_direction_output(ctrl_pdata->bl_en_gpio,1);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_en_gpio);
return -ENODEV;
}
pr_debug("%s: bl_gpio=%d\n", __func__,
ctrl_pdata->bl_en_gpio);
}
#endif
#ifdef CONFIG_HUAWEI_LCD
/*get lcd negative voltage gpio110*/
ctrl_pdata->disp_en_gpio_vsn = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-enable-gpio-vsn", 0);
//enable LCD_BIASDRV_EN2
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio_vsn)) {
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
}
else
{
rc = gpio_request(ctrl_pdata->disp_en_gpio_vsn, "disp_enable_vsn");
if (rc) {
pr_err("request disp_en_gpio_vsn failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio_vsn);
return -ENODEV;
}
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_en_gpio_vsn, 0,
GPIO_CFG_OUTPUT,
GPIO_CFG_NO_PULL,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->disp_en_gpio_vsn);
gpio_free(ctrl_pdata->disp_en_gpio_vsn);
return -ENODEV;
}
rc = gpio_direction_output(ctrl_pdata->disp_en_gpio_vsn,1);
if (rc) {
pr_err("set_direction for disp_en gpio vsn failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio_vsn);
return -ENODEV;
}
pr_debug("%s: disp_gpio_vsn=%d\n", __func__,
ctrl_pdata->disp_en_gpio_vsn);
}
#endif
if (pinfo->type == MIPI_CMD_PANEL) {
ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
pr_err("%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
}
}
if (gpio_is_valid(ctrl_pdata->disp_te_gpio) &&
pinfo->type == MIPI_CMD_PANEL) {
rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
if (rc) {
pr_err("request TE gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_te_gpio, 1,
GPIO_CFG_INPUT,
GPIO_CFG_PULL_DOWN,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->disp_te_gpio);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_direction_input(ctrl_pdata->disp_te_gpio);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
pr_debug("%s: te_gpio=%d\n", __func__,
ctrl_pdata->disp_te_gpio);
}
ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-reset-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->rst_gpio)) {
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
#ifdef CONFIG_HUAWEI_LCD
if (gpio_is_valid(ctrl_pdata->bl_en_gpio))
gpio_free(ctrl_pdata->bl_en_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio_vsn))
gpio_free(ctrl_pdata->disp_en_gpio_vsn);
#endif
return -ENODEV;
}
}
if (pinfo->mode_gpio_state != MODE_GPIO_NOT_VALID) {
ctrl_pdata->mode_gpio = of_get_named_gpio(
ctrl_pdev->dev.of_node,
"qcom,platform-mode-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->mode_gpio)) {
pr_info("%s:%d, mode gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->mode_gpio, "panel_mode");
if (rc) {
pr_err("request panel mode gpio failed,rc=%d\n",
rc);
gpio_free(ctrl_pdata->mode_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
if (gpio_is_valid(ctrl_pdata->rst_gpio))
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_te_gpio))
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
}
}
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
pinfo->pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
ctrl_pdata->check_status = mdss_dsi_bta_status_check;
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = mipi->dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = pinfo->clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
/* open cont_splash_enable in dtsi file */
if (pinfo->cont_splash_enabled) {
pinfo->panel_power_on = 1;
rc = mdss_dsi_panel_power_on(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
mdss_dsi_clk_ctrl(ctrl_pdata, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
} else {
pinfo->panel_power_on = 0;
}
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
pr_err("%s: unable to register MIPI DSI panel\n", __func__);
if (ctrl_pdata->rst_gpio)
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
#ifdef CONFIG_HUAWEI_LCD
if (gpio_is_valid(ctrl_pdata->bl_en_gpio))
gpio_free(ctrl_pdata->bl_en_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio_vsn))
gpio_free(ctrl_pdata->disp_en_gpio_vsn);
#endif
return rc;
}
if (pinfo->pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
pr_debug("%s: Panel data initialized\n", __func__);
return 0;
}
int dsi_panel_device_register(struct device_node *pan_node,
struct mdss_dsi_ctrl_pdata *ctrl_pdata)
{
struct mipi_panel_info *mipi;
int rc, i, len;
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool dynamic_fps;
const char *data;
struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info);
mipi = &(pinfo->mipi);
pinfo->type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
rc = mdss_dsi_clk_div_config(pinfo, mipi->frame_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
dsi_ctrl_np = of_parse_phandle(pan_node,
"qcom,mdss-dsi-panel-controller", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
pr_err("%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-strength-ctrl", &len);
if ((!data) || (len != 2)) {
pr_err("%s:%d, Unable to read Phy Strength ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
pinfo->mipi.dsi_phy_db.strength[0] = data[0];
pinfo->mipi.dsi_phy_db.strength[1] = data[1];
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-regulator-settings", &len);
if ((!data) || (len != 7)) {
pr_err("%s:%d, Unable to read Phy regulator settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.regulator[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-bist-ctrl", &len);
if ((!data) || (len != 6)) {
pr_err("%s:%d, Unable to read Phy Bist Ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.bistctrl[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-lane-config", &len);
if ((!data) || (len != 45)) {
pr_err("%s:%d, Unable to read Phy lane configure settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.lanecfg[i] =
data[i];
}
ctrl_pdata->shared_pdata.broadcast_enable = of_property_read_bool(
pan_node, "qcom,mdss-dsi-panel-broadcast-mode");
dynamic_fps = of_property_read_bool(pan_node,
"qcom,mdss-dsi-pan-enable-dynamic-fps");
if (dynamic_fps) {
pinfo->dynamic_fps = true;
data = of_get_property(pan_node,
"qcom,mdss-dsi-pan-fps-update", NULL);
if (data) {
if (!strcmp(data, "dfps_suspend_resume_mode")) {
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_clk_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_CLK_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate clk\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_porch_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_PORCH_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate porch\n",
__func__);
} else {
pr_debug("%s: dfps to default mode\n",
__func__);
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
}
} else {
pr_debug("%s: dfps update mode not configured\n",
__func__);
pinfo->dynamic_fps =
false;
pr_debug("%s: dynamic FPS disabled\n",
__func__);
}
pinfo->new_fps = pinfo->mipi.frame_rate;
}
pinfo->panel_max_fps = mdss_panel_get_framerate(pinfo);
pinfo->panel_max_vtotal = mdss_panel_get_vtotal(pinfo);
ctrl_pdata->disp_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_en_gpio, "disp_enable");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
rc = gpio_direction_output(ctrl_pdata->disp_en_gpio, 1);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-reset-gpio", 0);
printk("***************** ctrl_pdata->rst_gpio = %d *****************\n", ctrl_pdata->rst_gpio);
if (!gpio_is_valid(ctrl_pdata->rst_gpio)) {
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
ctrl_pdata->disp_vsn_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-vsn-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_vsn_gpio)) {
pr_err("%s:%d, vsn gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_vsn_gpio, "disp_vsn");
if (rc) {
pr_err("request vsn gpio failed, rc=%d\n",
rc);
return -ENODEV;
}
}
ctrl_pdata->disp_vsp_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-vsp-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_vsp_gpio)) {
pr_err("%s:%d, vsp gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_vsp_gpio, "disp_vsp");
if (rc) {
pr_err("request vsp gpio failed, rc=%d\n",
rc);
return -ENODEV;
}
}
ctrl_pdata->bl_outdoor_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-outdoor-gpio", 0);
#if 1
if (!gpio_is_valid(ctrl_pdata->bl_outdoor_gpio)) {
pr_err("%s:%d, bl_outdoor_gpio gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->bl_outdoor_gpio, "bl_outdoor");
if (rc) {
pr_err("request bl outdoor gpio failed, rc=%d\n",
rc);
return -ENODEV;
}
}
#endif
#ifdef ESD_FOR_LCD
ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
pr_err("%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
}
if (gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
if (rc) {
pr_err("request TE gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
INIT_DELAYED_WORK(&lcd_te_work, lcd_te_abnormal_handle);
init_timer(&te_timer);
te_timer.function = te_timer_handle;
ctrl_pdata->te_irq = gpio_to_irq(ctrl_pdata->disp_te_gpio);
rc = request_irq(ctrl_pdata->te_irq, lcd_te_irq_handle, IRQF_TRIGGER_RISING, "LCD_TE", ctrl_pdata);
if (rc) {
printk(KERN_ERR "lcd te request irq(%d) failure, rc = %d\n", ctrl_pdata->te_irq, rc);
return -1;
}
te_running = 0;
disable_irq(ctrl_pdata->te_irq);
printk("************************** te irq %d requested *******************************\n", ctrl_pdata->te_irq);
pr_debug("%s: te_gpio=%d\n", __func__,
ctrl_pdata->disp_te_gpio);
}
#endif
pr_info("[DIS] DISPLAY_GPIO[ te: %d en: %d rst: %d vsp: %d vsn: %d bl_outdoor: %d]", ctrl_pdata->disp_te_gpio ,ctrl_pdata->disp_en_gpio, ctrl_pdata->rst_gpio, ctrl_pdata->disp_vsp_gpio, ctrl_pdata->disp_vsn_gpio, ctrl_pdata->bl_outdoor_gpio);
if (pinfo->mode_gpio_state != MODE_GPIO_NOT_VALID) {
ctrl_pdata->mode_gpio = of_get_named_gpio(
ctrl_pdev->dev.of_node,
"qcom,platform-mode-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->mode_gpio))
pr_info("%s:%d, mode gpio not specified\n",
__func__, __LINE__);
} else {
ctrl_pdata->mode_gpio = -EINVAL;
}
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
pinfo->pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
if (ctrl_pdata->status_mode == ESD_REG)
ctrl_pdata->check_status = mdss_dsi_reg_status_check;
else if (ctrl_pdata->status_mode == ESD_BTA)
ctrl_pdata->check_status = mdss_dsi_bta_status_check;
if (ctrl_pdata->status_mode == ESD_MAX) {
pr_err("%s: Using default BTA for ESD check\n", __func__);
ctrl_pdata->check_status = mdss_dsi_bta_status_check;
}
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = mipi->dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = pinfo->clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
if (pinfo->cont_splash_enabled) {
pinfo->panel_power_on = 1;
rc = mdss_dsi_panel_power_on(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
mdss_dsi_clk_ctrl(ctrl_pdata, DSI_ALL_CLKS, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
} else {
pinfo->panel_power_on = 0;
}
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
pr_err("%s: unable to register MIPI DSI panel\n", __func__);
return rc;
}
if (pinfo->pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
pr_debug("%s: Panel data initialized\n", __func__);
return 0;
}
int dsi_panel_device_register(struct device_node *pan_node,
struct mdss_dsi_ctrl_pdata *ctrl_pdata)
{
struct mipi_panel_info *mipi;
int rc, i, len;
struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info);
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool dynamic_fps;
const char *data;
pr_info("%s : ++ \n",__func__);
mipi = &(pinfo->mipi);
pinfo->type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
rc = mdss_dsi_clk_div_config(pinfo, mipi->frame_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
dsi_ctrl_np = of_parse_phandle(pan_node,
"qcom,mdss-dsi-panel-controller", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
pr_err("%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-strength-ctrl", &len);
if ((!data) || (len != 2)) {
pr_err("%s:%d, Unable to read Phy Strength ctrl settings\n",
__func__, __LINE__);
return -EINVAL;
}
pinfo->mipi.dsi_phy_db.strength[0] = data[0];
pinfo->mipi.dsi_phy_db.strength[1] = data[1];
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-regulator-settings", &len);
if ((!data) || (len != 7)) {
pr_err("%s:%d, Unable to read Phy regulator settings\n",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.regulator[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-bist-ctrl", &len);
if ((!data) || (len != 6)) {
pr_err("%s:%d, Unable to read Phy Bist Ctrl settings\n",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.bistctrl[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-lane-config", &len);
if ((!data) || (len != 45)) {
pr_err("%s:%d, Unable to read Phy lane configure settings\n",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.lanecfg[i] =
data[i];
}
ctrl_pdata->cmd_sync_wait_broadcast = of_property_read_bool(
pan_node, "qcom,cmd-sync-wait-broadcast");
ctrl_pdata->cmd_sync_wait_trigger = of_property_read_bool(
pan_node, "qcom,cmd-sync-wait-trigger");
pr_debug("%s: cmd_sync_wait_enable=%d trigger=%d\n", __func__,
ctrl_pdata->cmd_sync_wait_broadcast,
ctrl_pdata->cmd_sync_wait_trigger);
dynamic_fps = of_property_read_bool(pan_node,
"qcom,mdss-dsi-pan-enable-dynamic-fps");
if (dynamic_fps) {
pinfo->dynamic_fps = true;
data = of_get_property(pan_node,
"qcom,mdss-dsi-pan-fps-update", NULL);
if (data) {
if (!strcmp(data, "dfps_suspend_resume_mode")) {
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_clk_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_CLK_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate clk\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_porch_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_PORCH_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate porch\n",
__func__);
} else {
pr_debug("%s: dfps to default mode\n",
__func__);
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
}
} else {
pr_debug("%s: dfps update mode not configured\n",
__func__);
pinfo->dynamic_fps = false;
pr_debug("%s: dynamic FPS disabled\n",
__func__);
}
pinfo->new_fps = pinfo->mipi.frame_rate;
}
ctrl_pdata->disp_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio))
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
else
pr_err("%s:%d, Disp_en gpio (%d)",__func__, __LINE__,ctrl_pdata->disp_en_gpio );
if (ctrl_pdata->panel_data.panel_info.mipi.mode == DSI_CMD_MODE) {
ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio))
pr_err("%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
else
pr_err("%s:%d, Disp_te gpio (%d)",__func__, __LINE__,ctrl_pdata->disp_en_gpio );
}
ctrl_pdata->bklt_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-bklight-en-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->bklt_en_gpio))
pr_info("%s: bklt_en gpio not specified\n", __func__);
else
pr_info("%s bklt_en_gpio gpio : %d", __func__, ctrl_pdata->bklt_en_gpio);
ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-reset-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->rst_gpio))
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
else
pr_info("%s reset gpio : %d", __func__, ctrl_pdata->rst_gpio);
if (pinfo->mode_gpio_state != MODE_GPIO_NOT_VALID) {
ctrl_pdata->mode_gpio = of_get_named_gpio(
ctrl_pdev->dev.of_node,
"qcom,platform-mode-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->mode_gpio))
pr_info("%s:%d, mode gpio not specified\n",
__func__, __LINE__);
} else {
ctrl_pdata->mode_gpio = -EINVAL;
}
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
pinfo->pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
ctrl_pdata->check_status = mdss_dsi_bta_status_check;
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = mipi->dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = pinfo->clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
pr_info("%s : pinfo->cont_splash_enabled(%d)\n", __func__, pinfo->cont_splash_enabled);
if (pinfo->cont_splash_enabled) {
rc = mdss_dsi_panel_power_ctrl(&(ctrl_pdata->panel_data),
MDSS_PANEL_POWER_ON);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
pinfo->blank_state = MDSS_PANEL_BLANK_UNBLANK;
mdss_dsi_clk_ctrl(ctrl_pdata, DSI_ALL_CLKS, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
} else {
pinfo->panel_power_state = MDSS_PANEL_POWER_OFF;
}
pinfo->is_prim_panel = true;
#if defined(CONFIG_FB_MSM_MDSS_SAMSUNG)
rc = mdss_dsi_request_gpios(ctrl_pdata);
if (rc) {
pr_err("gpio request failed\n");
}
#endif
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
pr_err("%s: unable to register MIPI DSI panel\n", __func__);
return rc;
}
if (pinfo->pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
pr_debug("%s: Panel data initialized\n", __func__);
return 0;
}
int dsi_panel_device_register(struct platform_device *pdev,
struct mdss_panel_common_pdata *panel_data)
{
struct mipi_panel_info *mipi;
int rc;
u8 lanes = 0, bpp;
u32 h_period, v_period, dsi_pclk_rate;
struct mdss_dsi_ctrl_pdata *ctrl_pdata;
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool broadcast;
bool cont_splash_enabled = false;
h_period = ((panel_data->panel_info.lcdc.h_pulse_width)
+ (panel_data->panel_info.lcdc.h_back_porch)
+ (panel_data->panel_info.xres)
+ (panel_data->panel_info.lcdc.h_front_porch));
v_period = ((panel_data->panel_info.lcdc.v_pulse_width)
+ (panel_data->panel_info.lcdc.v_back_porch)
+ (panel_data->panel_info.yres)
+ (panel_data->panel_info.lcdc.v_front_porch));
mipi = &panel_data->panel_info.mipi;
panel_data->panel_info.type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
if (mipi->data_lane3)
lanes += 1;
if (mipi->data_lane2)
lanes += 1;
if (mipi->data_lane1)
lanes += 1;
if (mipi->data_lane0)
lanes += 1;
if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB888)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB888)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB666_LOOSE))
bpp = 3;
else if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB565)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB565))
bpp = 2;
else
bpp = 3; /* Default format set to RGB888 */
if (!panel_data->panel_info.clk_rate) {
h_period += panel_data->panel_info.lcdc.xres_pad;
v_period += panel_data->panel_info.lcdc.yres_pad;
if (lanes > 0) {
panel_data->panel_info.clk_rate =
((h_period * v_period * (mipi->frame_rate) * bpp * 8)
/ lanes);
} else {
pr_err("%s: forcing mdss_dsi lanes to 1\n", __func__);
panel_data->panel_info.clk_rate =
(h_period * v_period
* (mipi->frame_rate) * bpp * 8);
}
}
pll_divider_config.clk_rate = panel_data->panel_info.clk_rate;
rc = mdss_dsi_clk_div_config(bpp, lanes, &dsi_pclk_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
if ((dsi_pclk_rate < 3300000) || (dsi_pclk_rate > 250000000))
dsi_pclk_rate = 35000000;
mipi->dsi_pclk_rate = dsi_pclk_rate;
dsi_ctrl_np = of_parse_phandle(pdev->dev.of_node,
"qcom,dsi-ctrl-phandle", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
ctrl_pdata = platform_get_drvdata(ctrl_pdev);
if (!ctrl_pdata) {
pr_err("%s: no dsi ctrl driver data\n", __func__);
return -EINVAL;
}
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
dev_err(&pdev->dev,
"%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
broadcast = of_property_read_bool(pdev->dev.of_node,
"qcom,mdss-pan-broadcast-mode");
if (broadcast)
ctrl_pdata->shared_pdata.broadcast_enable = 1;
ctrl_pdata->disp_en_gpio = of_get_named_gpio(pdev->dev.of_node,
"qcom,enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_en_gpio, "disp_enable");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
ctrl_pdata->disp_te_gpio = of_get_named_gpio(pdev->dev.of_node,
"qcom,te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
pr_err("%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
if (rc) {
pr_err("request TE gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_te_gpio, 1,
GPIO_CFG_INPUT,
GPIO_CFG_PULL_DOWN,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->disp_te_gpio);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_direction_input(ctrl_pdata->disp_te_gpio);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
pr_debug("%s: te_gpio=%d\n", __func__,
ctrl_pdata->disp_te_gpio);
}
ctrl_pdata->rst_gpio = of_get_named_gpio(pdev->dev.of_node,
"qcom,rst-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->rst_gpio)) {
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
panel_data->panel_info.pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
ctrl_pdata->on_cmds = panel_data->on_cmds;
ctrl_pdata->off_cmds = panel_data->off_cmds;
memcpy(&((ctrl_pdata->panel_data).panel_info),
&(panel_data->panel_info),
sizeof(struct mdss_panel_info));
ctrl_pdata->panel_data.set_backlight = panel_data->bl_fnc;
ctrl_pdata->bklt_ctrl = panel_data->panel_info.bklt_ctrl;
ctrl_pdata->pwm_pmic_gpio = panel_data->panel_info.pwm_pmic_gpio;
ctrl_pdata->pwm_period = panel_data->panel_info.pwm_period;
ctrl_pdata->pwm_lpg_chan = panel_data->panel_info.pwm_lpg_chan;
ctrl_pdata->bklt_max = panel_data->panel_info.bl_max;
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = panel_data->panel_info.clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
cont_splash_enabled = of_property_read_bool(pdev->dev.of_node,
"qcom,cont-splash-enabled");
if (!cont_splash_enabled) {
pr_info("%s:%d Continuous splash flag not found.\n",
__func__, __LINE__);
ctrl_pdata->panel_data.panel_info.cont_splash_enabled = 0;
ctrl_pdata->panel_data.panel_info.panel_power_on = 0;
} else {
pr_info("%s:%d Continuous splash flag enabled.\n",
__func__, __LINE__);
ctrl_pdata->panel_data.panel_info.cont_splash_enabled = 1;
ctrl_pdata->panel_data.panel_info.panel_power_on = 1;
rc = mdss_dsi_panel_power_on(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
mdss_dsi_clk_ctrl(ctrl_pdata, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
}
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
dev_err(&pdev->dev, "unable to register MIPI DSI panel\n");
if (ctrl_pdata->rst_gpio)
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
return rc;
}
ctrl_pdata->on = panel_data->on;
ctrl_pdata->off = panel_data->off;
if (panel_data->panel_info.pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
pr_debug("%s: Panal data initialized\n", __func__);
return 0;
}
int dsi_panel_device_register(struct platform_device *pdev,
struct mdss_panel_common_pdata *panel_data)
{
struct mipi_panel_info *mipi;
int rc;
struct mdss_dsi_ctrl_pdata *ctrl_pdata;
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool broadcast;
bool dynamic_fps;
bool cont_splash_enabled = false;
const char *data;
mipi = &panel_data->panel_info.mipi;
panel_data->panel_info.type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
rc = mdss_dsi_clk_div_config(&panel_data->panel_info, mipi->frame_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
dsi_ctrl_np = of_parse_phandle(pdev->dev.of_node,
"qcom,dsi-ctrl-phandle", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
ctrl_pdata = platform_get_drvdata(ctrl_pdev);
if (!ctrl_pdata) {
pr_err("%s: no dsi ctrl driver data\n", __func__);
return -EINVAL;
}
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
dev_err(&pdev->dev,
"%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
broadcast = of_property_read_bool(pdev->dev.of_node,
"qcom,mdss-pan-broadcast-mode");
if (broadcast)
ctrl_pdata->shared_pdata.broadcast_enable = 1;
dynamic_fps = of_property_read_bool(pdev->dev.of_node,
"qcom,mdss-dsi-pan-enable-dynamic-fps");
if (dynamic_fps) {
panel_data->panel_info.dynamic_fps = true;
data = of_get_property(pdev->dev.of_node,
"qcom,mdss-dsi-pan-fps-update", NULL);
if (data) {
if (!strcmp(data, "dfps_suspend_resume_mode")) {
panel_data->panel_info.dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_clk_mode")) {
panel_data->panel_info.dfps_update =
DFPS_IMMEDIATE_CLK_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate clk\n",
__func__);
} else {
pr_debug("%s: dfps to default mode\n",
__func__);
panel_data->panel_info.dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
}
} else {
pr_debug("%s: dfps update mode not configured\n",
__func__);
panel_data->panel_info.dynamic_fps =
false;
pr_debug("%s: dynamic FPS disabled\n",
__func__);
}
panel_data->panel_info.new_fps =
panel_data->panel_info.mipi.frame_rate;
}
ctrl_pdata->disp_en_gpio = of_get_named_gpio(pdev->dev.of_node,
"qcom,enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_en_gpio, "disp_enable");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
ctrl_pdata->disp_te_gpio = of_get_named_gpio(pdev->dev.of_node,
"qcom,te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
pr_err("%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
if (rc) {
pr_err("request TE gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_te_gpio, 1,
GPIO_CFG_INPUT,
GPIO_CFG_PULL_DOWN,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->disp_te_gpio);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_direction_input(ctrl_pdata->disp_te_gpio);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
pr_debug("%s: te_gpio=%d\n", __func__,
ctrl_pdata->disp_te_gpio);
}
ctrl_pdata->rst_gpio = of_get_named_gpio(pdev->dev.of_node,
"qcom,rst-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->rst_gpio)) {
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
panel_data->panel_info.pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
ctrl_pdata->on_cmds = panel_data->on_cmds;
ctrl_pdata->off_cmds = panel_data->off_cmds;
memcpy(&((ctrl_pdata->panel_data).panel_info),
&(panel_data->panel_info),
sizeof(struct mdss_panel_info));
ctrl_pdata->panel_data.set_backlight = panel_data->bl_fnc;
ctrl_pdata->bklt_ctrl = panel_data->panel_info.bklt_ctrl;
ctrl_pdata->pwm_pmic_gpio = panel_data->panel_info.pwm_pmic_gpio;
ctrl_pdata->pwm_period = panel_data->panel_info.pwm_period;
ctrl_pdata->pwm_lpg_chan = panel_data->panel_info.pwm_lpg_chan;
ctrl_pdata->bklt_max = panel_data->panel_info.bl_max;
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = mipi->dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = panel_data->panel_info.clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
cont_splash_enabled = of_property_read_bool(pdev->dev.of_node,
"qcom,cont-splash-enabled");
if (!cont_splash_enabled) {
pr_info("%s:%d Continuous splash flag not found.\n",
__func__, __LINE__);
ctrl_pdata->panel_data.panel_info.cont_splash_enabled = 0;
ctrl_pdata->panel_data.panel_info.panel_power_on = 0;
} else {
pr_info("%s:%d Continuous splash flag enabled.\n",
__func__, __LINE__);
ctrl_pdata->panel_data.panel_info.cont_splash_enabled = 1;
ctrl_pdata->panel_data.panel_info.panel_power_on = 1;
rc = mdss_dsi_panel_power_on(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
mdss_dsi_clk_ctrl(ctrl_pdata, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
}
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
dev_err(&pdev->dev, "unable to register MIPI DSI panel\n");
if (ctrl_pdata->rst_gpio)
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
return rc;
}
ctrl_pdata->on = panel_data->on;
ctrl_pdata->off = panel_data->off;
if (panel_data->panel_info.pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
pr_debug("%s: Panal data initialized\n", __func__);
return 0;
}
int dsi_panel_device_register(struct platform_device *pdev,
struct mdss_panel_common_pdata *panel_data)
{
struct mipi_panel_info *mipi;
int rc, i, len;
u8 lanes = 0, bpp;
u32 h_period, v_period, dsi_pclk_rate, tmp[9];
struct mdss_dsi_ctrl_pdata *ctrl_pdata;
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool cont_splash_enabled = false;
const char *data;
h_period = ((panel_data->panel_info.lcdc.h_pulse_width)
+ (panel_data->panel_info.lcdc.h_back_porch)
+ (panel_data->panel_info.xres)
+ (panel_data->panel_info.lcdc.h_front_porch));
v_period = ((panel_data->panel_info.lcdc.v_pulse_width)
+ (panel_data->panel_info.lcdc.v_back_porch)
+ (panel_data->panel_info.yres)
+ (panel_data->panel_info.lcdc.v_front_porch));
mipi = &panel_data->panel_info.mipi;
panel_data->panel_info.type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
if (mipi->data_lane3)
lanes += 1;
if (mipi->data_lane2)
lanes += 1;
if (mipi->data_lane1)
lanes += 1;
if (mipi->data_lane0)
lanes += 1;
if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB888)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB888)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB666_LOOSE))
bpp = 3;
else if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB565)
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB565))
bpp = 2;
else
bpp = 3; /* Default format set to RGB888 */
if (!panel_data->panel_info.clk_rate) {
h_period += panel_data->panel_info.lcdc.xres_pad;
v_period += panel_data->panel_info.lcdc.yres_pad;
if (lanes > 0) {
panel_data->panel_info.clk_rate =
((h_period * v_period * (mipi->frame_rate) * bpp * 8)
/ lanes);
} else {
pr_err("%s: forcing mdss_dsi lanes to 1\n", __func__);
panel_data->panel_info.clk_rate =
(h_period * v_period
* (mipi->frame_rate) * bpp * 8);
}
}
pll_divider_config.clk_rate = panel_data->panel_info.clk_rate;
rc = mdss_dsi_clk_div_config(bpp, lanes, &dsi_pclk_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
if ((dsi_pclk_rate < 3300000) || (dsi_pclk_rate > 250000000))
dsi_pclk_rate = 35000000;
mipi->dsi_pclk_rate = dsi_pclk_rate;
dsi_ctrl_np = of_parse_phandle(pdev->dev.of_node,
"qcom,mdss-dsi-panel-controller", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
ctrl_pdata = platform_get_drvdata(ctrl_pdev);
if (!ctrl_pdata) {
pr_err("%s: no dsi ctrl driver data\n", __func__);
return -EINVAL;
}
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
dev_err(&pdev->dev,
"%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-strength-ctrl", &len);
if ((!data) || (len != 2)) {
pr_err("%s:%d, Unable to read Phy Strength ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
(panel_data->panel_info.mipi.dsi_phy_db)->strength[0] = data[0];
(panel_data->panel_info.mipi.dsi_phy_db)->strength[1] = data[1];
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-regulator-settings", &len);
if ((!data) || (len != 7)) {
pr_err("%s:%d, Unable to read Phy regulator settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
(panel_data->panel_info.mipi.dsi_phy_db)->regulator[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-bist-ctrl", &len);
if ((!data) || (len != 6)) {
pr_err("%s:%d, Unable to read Phy Bist Ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
(panel_data->panel_info.mipi.dsi_phy_db)->bistCtrl[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-lane-config", &len);
if ((!data) || (len != 45)) {
pr_err("%s:%d, Unable to read Phy lane configure settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
(panel_data->panel_info.mipi.dsi_phy_db)->laneCfg[i] =
data[i];
}
ctrl_pdata->shared_pdata.broadcast_enable = of_property_read_bool(
pdev->dev.of_node, "qcom,mdss-dsi-panel-broadcast-mode");
ctrl_pdata->disp_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_en_gpio, "disp_enable");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
pr_err("%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
} else {
int func;
rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
if (rc) {
pr_err("request TE gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
if (panel_data->panel_info.mipi.mode == DSI_CMD_MODE)
func = 1;
else
func = 0;
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_te_gpio, func,
GPIO_CFG_INPUT,
GPIO_CFG_PULL_DOWN,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->disp_te_gpio);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_direction_input(ctrl_pdata->disp_te_gpio);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
pr_debug("%s: te_gpio=%d\n", __func__,
ctrl_pdata->disp_te_gpio);
}
rc = of_property_read_u32_array(ctrl_pdev->dev.of_node,
"qcom,platform-reset-sequence", tmp, MDSS_DSI_RST_SEQ_LEN);
if (rc)
pr_err("%s:%d, unable to read gpio reset sequence\n",
__func__, __LINE__);
else
for (i = 0; i < MDSS_DSI_RST_SEQ_LEN; ++i)
ctrl_pdata->rst_seq[i] = tmp[i];
ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-reset-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->rst_gpio)) {
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
panel_data->panel_info.pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
ctrl_pdata->on_cmds = panel_data->on_cmds;
ctrl_pdata->off_cmds = panel_data->off_cmds;
ctrl_pdata->off_cmds_1 = panel_data->off_cmds_1;
memcpy(&((ctrl_pdata->panel_data).panel_info),
&(panel_data->panel_info),
sizeof(struct mdss_panel_info));
ctrl_pdata->panel_config = panel_data->panel_config;
ctrl_pdata->panel_esd_data = panel_data->panel_esd_data;
ctrl_pdata->rst_seq_len = panel_data->rst_seq_len;
memcpy(ctrl_pdata->rst_seq, panel_data->rst_seq,
sizeof(ctrl_pdata->rst_seq));
ctrl_pdata->dis_rst_seq_len = panel_data->dis_rst_seq_len;
memcpy(ctrl_pdata->dis_rst_seq, panel_data->dis_rst_seq,
sizeof(ctrl_pdata->dis_rst_seq));
ctrl_pdata->panel_data.set_backlight = panel_data->bl_fnc;
ctrl_pdata->bklt_ctrl = panel_data->panel_info.bklt_ctrl;
ctrl_pdata->pwm_pmic_gpio = panel_data->panel_info.pwm_pmic_gpio;
ctrl_pdata->pwm_period = panel_data->panel_info.pwm_period;
ctrl_pdata->pwm_lpg_chan = panel_data->panel_info.pwm_lpg_chan;
ctrl_pdata->bklt_max = panel_data->panel_info.bl_max;
ctrl_pdata->panel_vregs = panel_data->vregs;
ctrl_pdata->pdev = pdev;
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = panel_data->panel_info.clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
cont_splash_enabled = of_property_read_bool(pdev->dev.of_node,
"qcom,cont-splash-enabled");
/* If it is bare board, disable splash feature. */
if (panel_data->panel_config.bare_board)
cont_splash_enabled = 0;
if (!cont_splash_enabled) {
pr_info("%s:%d Continuous splash flag not found.\n",
__func__, __LINE__);
ctrl_pdata->panel_data.panel_info.cont_splash_enabled = 0;
ctrl_pdata->panel_data.panel_info.panel_power_on = 0;
} else {
pr_info("%s:%d Continuous splash flag enabled.\n",
__func__, __LINE__);
ctrl_pdata->panel_data.panel_info.cont_splash_enabled = 1;
ctrl_pdata->panel_data.panel_info.panel_power_on = 1;
rc = mdss_dsi_panel_power_on(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
mdss_dsi_clk_ctrl(ctrl_pdata, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
}
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
dev_err(&pdev->dev, "unable to register MIPI DSI panel\n");
if (ctrl_pdata->rst_gpio)
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
return rc;
}
ctrl_pdata->on = panel_data->on;
ctrl_pdata->off = panel_data->off;
ctrl_pdata->esd = panel_data->esd;
ctrl_pdata->lock_mutex = panel_data->lock_mutex;
ctrl_pdata->unlock_mutex = panel_data->unlock_mutex;
ctrl_pdata->reg_read = panel_data->reg_read;
ctrl_pdata->reg_write = panel_data->reg_write;
if (panel_data->panel_info.pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
if (ctrl_pdata->panel_config.esd_enable) {
pr_debug("%s: create ESD worker thread\n", __func__);
ctrl_pdata->panel_esd_data.esd_wq =
create_singlethread_workqueue("mdss_panel_esd");
if (ctrl_pdata->panel_esd_data.esd_wq == NULL) {
pr_err("%s: failed to create ESD work queue\n",
__func__);
ctrl_pdata->panel_config.esd_enable = false;
}
} else
pr_info("MDSS PANEL: ESD detection is disable\n");
mutex_init(&ctrl_pdata->panel_config.panel_mutex);
pr_debug("%s: Panel data initialized\n", __func__);
return 0;
}
int dsi_panel_device_register(struct device_node *pan_node,
struct mdss_dsi_ctrl_pdata *ctrl_pdata)
{
struct mipi_panel_info *mipi;
int rc, i, len;
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool dynamic_fps;
const char *data;
struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info);
mipi = &(pinfo->mipi);
pinfo->type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
rc = mdss_dsi_clk_div_config(pinfo, mipi->frame_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
dsi_ctrl_np = of_parse_phandle(pan_node,
"qcom,mdss-dsi-panel-controller", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
pr_err("%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-strength-ctrl", &len);
if ((!data) || (len != 2)) {
pr_err("%s:%d, Unable to read Phy Strength ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
pinfo->mipi.dsi_phy_db.strength[0] = data[0];
pinfo->mipi.dsi_phy_db.strength[1] = data[1];
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-regulator-settings", &len);
if ((!data) || (len != 7)) {
pr_err("%s:%d, Unable to read Phy regulator settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.regulator[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-bist-ctrl", &len);
if ((!data) || (len != 6)) {
pr_err("%s:%d, Unable to read Phy Bist Ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.bistctrl[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-lane-config", &len);
if ((!data) || (len != 45)) {
pr_err("%s:%d, Unable to read Phy lane configure settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.lanecfg[i] =
data[i];
}
ctrl_pdata->shared_pdata.broadcast_enable = of_property_read_bool(
pan_node, "qcom,mdss-dsi-panel-broadcast-mode");
dynamic_fps = of_property_read_bool(pan_node,
"qcom,mdss-dsi-pan-enable-dynamic-fps");
if (dynamic_fps) {
pinfo->dynamic_fps = true;
data = of_get_property(pan_node,
"qcom,mdss-dsi-pan-fps-update", NULL);
if (data) {
if (!strcmp(data, "dfps_suspend_resume_mode")) {
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_clk_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_CLK_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate clk\n",
__func__);
} else {
pr_debug("%s: dfps to default mode\n",
__func__);
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
}
} else {
pr_debug("%s: dfps update mode not configured\n",
__func__);
pinfo->dynamic_fps =
false;
pr_debug("%s: dynamic FPS disabled\n",
__func__);
}
pinfo->new_fps = pinfo->mipi.frame_rate;
}
ctrl_pdata->disp_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->disp_en_gpio, "disp_enable");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
if (pinfo->type == MIPI_CMD_PANEL) {
ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
pr_err("%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
}
if (gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
if (rc) {
pr_err("request TE gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_te_gpio, 1,
GPIO_CFG_INPUT,
GPIO_CFG_PULL_DOWN,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->disp_te_gpio);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_direction_input(ctrl_pdata->disp_te_gpio);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
pr_debug("%s: te_gpio=%d\n", __func__,
ctrl_pdata->disp_te_gpio);
}
}
ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-reset-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->rst_gpio)) {
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
return -ENODEV;
}
}
if (pinfo->mode_gpio_state != MODE_GPIO_NOT_VALID) {
ctrl_pdata->mode_gpio = of_get_named_gpio(
ctrl_pdev->dev.of_node,
"qcom,platform-mode-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->mode_gpio)) {
pr_info("%s:%d, mode gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->mode_gpio, "panel_mode");
if (rc) {
pr_err("request panel mode gpio failed,rc=%d\n",
rc);
gpio_free(ctrl_pdata->mode_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
if (gpio_is_valid(ctrl_pdata->rst_gpio))
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_te_gpio))
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
}
}
#if defined(CONFIG_FB_MSM_MDSS_SHARP_HD_PANEL) || defined(CONFIG_FB_MSM_MDSS_HIMAX_QHD_PANEL)
ctrl_pdata->bl_on_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,bl-on-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->bl_on_gpio)) {
pr_err("%s:%dbl_on_gpio gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->bl_on_gpio, "backlight_enable");
if (rc) {
pr_err("request bl_on_gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_on_gpio);
}else {
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->bl_on_gpio, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request BL ON gpio failed, rc=%d\n",rc);
}
}
ctrl_pdata->disp_en_gpio_p = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,disp-on-gpio-p", 0);
rc = gpio_request(ctrl_pdata->disp_en_gpio_p, "disp_en_gpio_p");
if (rc) {
pr_err("request disp_en_gpio_p gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio_p);
}else{
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->disp_en_gpio_p, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request disp_en_gpio_p failed, rc=%d\n",rc);
}
ctrl_pdata->disp_en_gpio_n = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,disp-on-gpio-n", 0);
rc = gpio_request(ctrl_pdata->disp_en_gpio_n, "disp_en_gpio_n");
if (rc) {
pr_err("request disp_en_gpio_n gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio_n);
}else{
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->disp_en_gpio_n, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request disp_en_gpio_n failed, rc=%d\n",rc);
}
#endif
#if defined(CONFIG_FB_MSM_MDSS_SDC_WXGA_PANEL)
ctrl_pdata->bl_on_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,bl-on-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->bl_on_gpio)) {
pr_err("%s:%dbl_on_gpio gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->bl_on_gpio, "backlight_enable");
if (rc) {
pr_err("request bl_on_gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_on_gpio);
}
}
ctrl_pdata->bl_sda = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,bl-sda", 0);
rc = gpio_request(ctrl_pdata->bl_sda, "bl_sda");
if (rc) {
pr_err("request bl_sda gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_sda);
}else{
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->bl_sda, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request bl_sda failed, rc=%d\n",rc);
}
ctrl_pdata->bl_scl= of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,bl-scl", 0);
rc = gpio_request(ctrl_pdata->bl_scl, "bl_scl");
if (rc) {
pr_err("request bl_scl gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_scl);
}else{
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->bl_scl, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request bl_scl failed, rc=%d\n",rc);
}
ctrl_pdata->bl_rst_gpio= of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,bl-rst-gpio", 0);
rc = gpio_request(ctrl_pdata->bl_rst_gpio, "bl_rst");
if (rc) {
pr_err("request bl_rst gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_rst_gpio);
}else{
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->bl_rst_gpio, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request bl_rst failed, rc=%d\n",rc);
}
ctrl_pdata->bl_ap_pwm= of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,bl-wled", 0);
rc = gpio_request(ctrl_pdata->bl_ap_pwm, "bl_ap_pwm");
if (rc) {
pr_err("request bl_ap_pwm gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_ap_pwm);
}else{
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->bl_ap_pwm, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request bl_ap_pwm failed, rc=%d\n",rc);
}
ctrl_pdata->bl_ldi_en = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,lcd_ldi_int", 0);
rc = gpio_request(ctrl_pdata->bl_ldi_en, "bl_ldi_en");
if (rc) {
pr_err("request bl_ldi_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_ldi_en);
}
#endif
#if defined(CONFIG_FB_MSM_MDSS_BOE_WXGA_PANEL)
ctrl_pdata->bl_on_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,bl-on-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->bl_on_gpio)) {
pr_err("%s:%dbl_on_gpio gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->bl_on_gpio, "backlight_enable");
if (rc) {
pr_err("request bl_on_gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->bl_on_gpio);
}else {
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->bl_on_gpio, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request BL ON gpio failed, rc=%d\n",rc);
}
}
ctrl_pdata->disp_en_gpio_3v = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,disp-on-gpio", 0);
rc = gpio_request(ctrl_pdata->disp_en_gpio_3v, "disp_en_gpio");
if (rc) {
pr_err("request disp_en_gpio_3v gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio_3v);
}else{
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->disp_en_gpio_3v, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request disp_en_gpio_3v failed, rc=%d\n",rc);
}
#endif
#if defined(CONFIG_FB_MSM_MDSS_S6E8AA0A_HD_PANEL)
ctrl_pdata->disp_en_gpio_2_2v = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,disp-on-gpio", 0);
rc = gpio_request(ctrl_pdata->disp_en_gpio_2_2v, "disp_en_gpio_2_2v");
if (rc) {
pr_err("request disp_en_gpio_2_2v gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio_2_2v);
}else{
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->disp_en_gpio_2_2v, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request disp_en_gpio_2_2v failed, rc=%d\n",rc);
}
#endif
#if defined(CONFIG_FB_MSM_MDSS_MAGNA_WVGA_PANEL)
ctrl_pdata->disp_en_gpio_1_8v = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,disp-on-gpio", 0);
rc = gpio_request(ctrl_pdata->disp_en_gpio_1_8v, "disp_en_gpio_1_8v");
if (rc) {
pr_err("request disp_en_gpio_1_8v gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_en_gpio_1_8v);
}else{
rc = gpio_tlmm_config(GPIO_CFG(ctrl_pdata->disp_en_gpio_1_8v, 0,
GPIO_CFG_OUTPUT,GPIO_CFG_NO_PULL,GPIO_CFG_8MA),
GPIO_CFG_ENABLE);
if (rc)
pr_err("request disp_en_gpio_1_8v failed, rc=%d\n",rc);
}
#endif
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
pinfo->pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
ctrl_pdata->panel_data.panel_reset_fn = ctrl_pdata->panel_reset;
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = mipi->dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = pinfo->clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
if (pinfo->cont_splash_enabled) {
pinfo->panel_power_on = 1;
rc = mdss_dsi_panel_power_on(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
mdss_dsi_clk_ctrl(ctrl_pdata, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
} else {
pinfo->panel_power_on = 0;
}
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
pr_err("%s: unable to register MIPI DSI panel\n", __func__);
if (ctrl_pdata->rst_gpio)
gpio_free(ctrl_pdata->rst_gpio);
if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
gpio_free(ctrl_pdata->disp_en_gpio);
return rc;
}
if (pinfo->pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
pr_debug("%s: Panel data initialized\n", __func__);
return 0;
}
int dsi_panel_device_register(struct device_node *pan_node,
struct mdss_dsi_ctrl_pdata *ctrl_pdata)
{
struct mipi_panel_info *mipi;
int rc, i, len;
struct device_node *dsi_ctrl_np = NULL;
struct platform_device *ctrl_pdev = NULL;
bool dynamic_fps;
const char *data;
struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info);
mipi = &(pinfo->mipi);
pinfo->type =
((mipi->mode == DSI_VIDEO_MODE)
? MIPI_VIDEO_PANEL : MIPI_CMD_PANEL);
rc = mdss_dsi_clk_div_config(pinfo, mipi->frame_rate);
if (rc) {
pr_err("%s: unable to initialize the clk dividers\n", __func__);
return rc;
}
dsi_ctrl_np = of_parse_phandle(pan_node,
"qcom,mdss-dsi-panel-controller", 0);
if (!dsi_ctrl_np) {
pr_err("%s: Dsi controller node not initialized\n", __func__);
return -EPROBE_DEFER;
}
ctrl_pdev = of_find_device_by_node(dsi_ctrl_np);
rc = mdss_dsi_regulator_init(ctrl_pdev);
if (rc) {
pr_err("%s: failed to init regulator, rc=%d\n",
__func__, rc);
return rc;
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-strength-ctrl", &len);
if ((!data) || (len != 2)) {
pr_err("%s:%d, Unable to read Phy Strength ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
pinfo->mipi.dsi_phy_db.strength[0] = data[0];
pinfo->mipi.dsi_phy_db.strength[1] = data[1];
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-regulator-settings", &len);
if ((!data) || (len != 7)) {
pr_err("%s:%d, Unable to read Phy regulator settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.regulator[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-bist-ctrl", &len);
if ((!data) || (len != 6)) {
pr_err("%s:%d, Unable to read Phy Bist Ctrl settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.bistctrl[i]
= data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-lane-config", &len);
if ((!data) || (len != 45)) {
pr_err("%s:%d, Unable to read Phy lane configure settings",
__func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.lanecfg[i] =
data[i];
}
ctrl_pdata->shared_pdata.broadcast_enable = of_property_read_bool(
pan_node, "qcom,mdss-dsi-panel-broadcast-mode");
dynamic_fps = of_property_read_bool(pan_node,
"qcom,mdss-dsi-pan-enable-dynamic-fps");
if (dynamic_fps) {
pinfo->dynamic_fps = true;
data = of_get_property(pan_node,
"qcom,mdss-dsi-pan-fps-update", NULL);
if (data) {
if (!strcmp(data, "dfps_suspend_resume_mode")) {
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_clk_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_CLK_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate clk\n",
__func__);
} else if (!strcmp(data,
"dfps_immediate_porch_mode")) {
pinfo->dfps_update =
DFPS_IMMEDIATE_PORCH_UPDATE_MODE;
pr_debug("%s: dfps mode: Immediate porch\n",
__func__);
} else {
pr_debug("%s: dfps to default mode\n",
__func__);
pinfo->dfps_update =
DFPS_SUSPEND_RESUME_MODE;
pr_debug("%s: dfps mode: suspend/resume\n",
__func__);
}
} else {
pr_debug("%s: dfps update mode not configured\n",
__func__);
pinfo->dynamic_fps =
false;
pr_debug("%s: dynamic FPS disabled\n",
__func__);
}
pinfo->new_fps = pinfo->mipi.frame_rate;
}
ctrl_pdata->disp_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_en_gpio))
pr_err("%s:%d, Disp_en gpio not specified\n",
__func__, __LINE__);
#ifdef CONFIG_ZTEMT_LCD_POWER_CONTRL
/*avdd neg ctl board2 add ,mayu 6.25*/
ctrl_pdata->avdd_neg_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-avddn-enable-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->avdd_neg_en_gpio)) {
pr_err("%s:%d, avdd_neg_en_gpio gpio not specified\n",
__func__, __LINE__);
} else {
rc = gpio_request(ctrl_pdata->avdd_neg_en_gpio, "lcd_avdd_neg_enable");
if (rc) {
pr_err("request reset gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->avdd_neg_en_gpio);
return -ENODEV;
}
}
#endif
#ifdef CONFIG_ZTEMT_LCD_ESD_TE_CHECK
/*esd check faild check,mayu add*/
if (pinfo->type != MIPI_CMD_PANEL) {
ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
pr_err("lcd:%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
}
rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
if (rc) {
pr_err("request TE gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_te_gpio, 1,
GPIO_CFG_INPUT,
GPIO_CFG_PULL_DOWN,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
rc = gpio_direction_input(ctrl_pdata->disp_te_gpio);
}
#endif
if (pinfo->type == MIPI_CMD_PANEL) {
ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-te-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
pr_err("%s:%d, Disp_te gpio not specified\n",
__func__, __LINE__);
}
}
if (gpio_is_valid(ctrl_pdata->disp_te_gpio) &&
pinfo->type == MIPI_CMD_PANEL) {
rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
if (rc) {
pr_err("request TE gpio failed, rc=%d\n",
rc);
return -ENODEV;
}
rc = gpio_tlmm_config(GPIO_CFG(
ctrl_pdata->disp_te_gpio, 1,
GPIO_CFG_INPUT,
GPIO_CFG_PULL_DOWN,
GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s: unable to config tlmm = %d\n",
__func__, ctrl_pdata->disp_te_gpio);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
rc = gpio_direction_input(ctrl_pdata->disp_te_gpio);
if (rc) {
pr_err("set_direction for disp_en gpio failed, rc=%d\n",
rc);
gpio_free(ctrl_pdata->disp_te_gpio);
return -ENODEV;
}
pr_debug("%s: te_gpio=%d\n", __func__,
ctrl_pdata->disp_te_gpio);
}
ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
"qcom,platform-reset-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->rst_gpio))
pr_err("%s:%d, reset gpio not specified\n",
__func__, __LINE__);
if (pinfo->mode_gpio_state != MODE_GPIO_NOT_VALID) {
ctrl_pdata->mode_gpio = of_get_named_gpio(
ctrl_pdev->dev.of_node,
"qcom,platform-mode-gpio", 0);
if (!gpio_is_valid(ctrl_pdata->mode_gpio))
pr_info("%s:%d, mode gpio not specified\n",
__func__, __LINE__);
}
if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
pr_err("%s: unable to initialize Dsi ctrl clks\n", __func__);
return -EPERM;
}
if (mdss_dsi_retrieve_ctrl_resources(ctrl_pdev,
pinfo->pdest,
ctrl_pdata)) {
pr_err("%s: unable to get Dsi controller res\n", __func__);
return -EPERM;
}
ctrl_pdata->panel_data.event_handler = mdss_dsi_event_handler;
/*qcom ori*/
ctrl_pdata->check_status = mdss_dsi_bta_status_check;
#ifdef CONFIG_ZTEMT_LCD_ESD_TE_CHECK
#if defined(CONFIG_ZTEMT_NE501_LCD)
/*esd check faild check,mayu add*/
if (ctrl_pdata->panel_name
&& (!strcmp(ctrl_pdata->panel_name, "cs nt35592 720p video mode dsi panel")
|| !strcmp(ctrl_pdata->panel_name, "lianchuang nt35592 720p video mode dsi panel"))) {
ctrl_pdata->check_status = zte_check_status_by_te;
printk("nt35592 check by te\n");
} else if (ctrl_pdata->panel_name
&& !strcmp(ctrl_pdata->panel_name, "success hx8392b 720p video mode dsi panel")) {
ctrl_pdata->check_status = success_hx83920b_check_status;
printk("hx83920b check faled always\n");
}
#elif defined(CONFIG_ZTEMT_NX404H_LCD)
if (ctrl_pdata->panel_name
&& !strcmp(ctrl_pdata->panel_name, "otm1282a 720p command mode dsi panel")) {
ctrl_pdata->check_status = zte_check_status_by_te;
}else{
//other lcd run empty fun
ctrl_pdata->check_status = zte_check_status_ok;
}
#endif
#endif //CONFIG_ZTEMT_LCD_ESD_TE_CHECK
if (ctrl_pdata->bklt_ctrl == BL_PWM)
mdss_dsi_panel_pwm_cfg(ctrl_pdata);
mdss_dsi_ctrl_init(ctrl_pdata);
/*
* register in mdp driver
*/
ctrl_pdata->pclk_rate = mipi->dsi_pclk_rate;
ctrl_pdata->byte_clk_rate = pinfo->clk_rate / 8;
pr_debug("%s: pclk=%d, bclk=%d\n", __func__,
ctrl_pdata->pclk_rate, ctrl_pdata->byte_clk_rate);
ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
if (pinfo->cont_splash_enabled) {
pinfo->panel_power_on = 1;
rc = mdss_dsi_panel_power_on(&(ctrl_pdata->panel_data), 1);
if (rc) {
pr_err("%s: Panel power on failed\n", __func__);
return rc;
}
mdss_dsi_clk_ctrl(ctrl_pdata, 1);
ctrl_pdata->ctrl_state |=
(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
} else {
pinfo->panel_power_on = 0;
}
rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
if (rc) {
pr_err("%s: unable to register MIPI DSI panel\n", __func__);
return rc;
}
if (pinfo->pdest == DISPLAY_1) {
mdss_debug_register_base("dsi0",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 0;
} else {
mdss_debug_register_base("dsi1",
ctrl_pdata->ctrl_base, ctrl_pdata->reg_size);
ctrl_pdata->ndx = 1;
}
pr_debug("%s: Panel data initialized\n", __func__);
return 0;
}
