//*****************************************************************************
//
// Function Name: DISPDRV__Open
//
// Description: Open Sub Drivers
//
//*****************************************************************************
Int32 DISPDRV_Open(DISPDRV_HANDLE_T drvH)
{
Int32 res = 0;
DISPDRV_PANEL_T *pPanel;
pPanel = (DISPDRV_PANEL_T *)drvH;
if (pPanel->drvState != DRV_STATE_INIT) {
LCD_DBG(LCD_DBG_ERR_ID, "[DISPDRV] %s: ERROR Not Init\n\r",
__FUNCTION__);
return (-1);
}
if(isFirstboot)
{
/* Firstboot skip RESET */
}
else
{
DISPDRV_Reset(drvH);
}
if (brcm_enable_dsi_pll_clocks(pPanel->busNo,
DISPDRV_dsiCfg.hsBitClk.clkIn_MHz *
1000000,
DISPDRV_dsiCfg.hsBitClk.clkInDiv,
DISPDRV_dsiCfg.escClk.clkIn_MHz *
1000000 /
DISPDRV_dsiCfg.escClk.clkInDiv)) {
LCD_DBG(LCD_DBG_ERR_ID,
"[DISPDRV] %s: ERROR to enable the pll clock\n",
__FUNCTION__);
return (-1);
}
if (pPanel->isTE && DISPDRV_TeOn(pPanel) == -1) {
LCD_DBG(LCD_DBG_ERR_ID, "[DISPDRV] %s: "
"Failed To Configure TE Input\n", __FUNCTION__);
return (-1);
}
if (CSL_DSI_Init(pPanel->dsi_cfg) != CSL_LCD_OK) {
LCD_DBG(LCD_DBG_ERR_ID, "[DISPDRV] %s: ERROR, DSI CSL Init "
"Failed\n\r", __FUNCTION__);
return (-1);
}
if (CSL_DSI_OpenClient(pPanel->busNo, &pPanel->clientH) != CSL_LCD_OK) {
LCD_DBG(LCD_DBG_ERR_ID,
"[DISPDRV] %s: ERROR, CSL_DSI_OpenClient " "Failed\n\r",
__FUNCTION__);
return (-1);
}
if (CSL_DSI_OpenCmVc
(pPanel->clientH, pPanel->cmnd_mode, &pPanel->dsiCmVcHandle)
!= CSL_LCD_OK) {
LCD_DBG(LCD_DBG_ERR_ID,
"[DISPDRV] %s: CSL_DSI_OpenCmVc Failed\n\r",
__FUNCTION__);
return (-1);
}
#ifdef UNDER_LINUX
if (csl_dma_vc4lite_init() != DMA_VC4LITE_STATUS_SUCCESS) {
LCD_DBG(LCD_DBG_ERR_ID,
"[DISPDRV] %s: csl_dma_vc4lite_init Failed\n\r",
__FUNCTION__);
return (-1);
}
#endif
pPanel->win.left = 0;
pPanel->win.right = Disp_Info.width - 1;
pPanel->win.top = 0;
pPanel->win.bottom = Disp_Info.height - 1;
pPanel->win.width = Disp_Info.width;
pPanel->win.height = Disp_Info.height;
pPanel->drvState = DRV_STATE_OPEN;
LCD_DBG(LCD_DBG_INIT_ID, "[DISPDRV] %s: OK\n\r", __FUNCTION__);
return (res);
}
/*
*
* Function Name: DSI_Open
*
* Description: disp bus ON
*
*/
Int32 DSI_Open(DISPDRV_HANDLE_T drvH)
{
Int32 res = 0;
DispDrv_PANEL_t *pPanel;
pPanel = (DispDrv_PANEL_t *) drvH;
DSI_INFO("enter\n");
if (pPanel->drvState != DRV_STATE_INIT) {
DSI_ERR("ERROR State != Init\n");
return -1;
}
if (brcm_enable_dsi_pll_clocks(pPanel->busNo,
pPanel->dsi_cfg->hsBitClk.clkIn_MHz * 1000000,
pPanel->dsi_cfg->hsBitClk.clkInDiv,
pPanel->disp_info->desense_offset,
pPanel->dsi_cfg->escClk.clkIn_MHz * 1000000
/ pPanel->dsi_cfg->escClk.clkInDiv)) {
DSI_ERR("ERROR enabling clock\n");
}
if (pPanel->isTE && DSI_TeOn(pPanel) == -1) {
DSI_ERR("Failed to Configure TE Input\n");
goto err_te_on;
}
if (CSL_DSI_Init(pPanel->dsi_cfg) != CSL_LCD_OK) {
DSI_ERR("DSI CSL Init Failed\n");
goto err_dsi_init;
}
if (CSL_DSI_OpenClient(pPanel->busNo, &pPanel->clientH) != CSL_LCD_OK) {
DSI_ERR("CSL_DSI_OpenClient Failed\n");
goto err_dsi_open_cl;
}
if (CSL_DSI_OpenCmVc(pPanel->clientH,
pPanel->cmnd_mode, &pPanel->dsiCmVcHandle) != CSL_LCD_OK) {
DSI_ERR("CSL_DSI_OpenCmVc Failed\n");
goto err_dsi_open_cm;
}
if (!pPanel->dsi_cfg->dispEngine && pPanel->dsi_cfg->pixTxporter) {
DSI_ERR("Cannot transfer pixels via MMDMA to DispEngine 0.");
DSI_ERR("Default to Display Engine 1\n");
pPanel->dsi_cfg->dispEngine = 1;
}
if (pPanel->dsi_cfg->dispEngine && pPanel->dsi_cfg->pixTxporter) {
if (csl_dma_vc4lite_init() != DMA_VC4LITE_STATUS_SUCCESS) {
DSI_ERR("csl_dma_vc4lite_init Failed\n");
goto err_dma_init;
}
}
if (!disp_reg) {
/*CAM2 LDO */
disp_reg = regulator_get(NULL, pPanel->disp_info->reg_name);
if (IS_ERR_OR_NULL(disp_reg)) {
DSI_ERR("Failed to get disp_reg\n");
goto err_reg_init;
}
if (g_display_enabled)
regulator_enable(disp_reg); /* Turn ON disp_reg to increase use count */
}
res = gpio_request(pPanel->disp_info->rst->gpio, "LCD_RST");
if (res < 0) {
DSI_ERR("gpio_request failed %ld\n", res);
goto err_gpio_request;
}
if (!g_display_enabled)
hw_reset(drvH, FALSE);
#if 0 // SS & DS not used
if (DSI_ReadPanelID(pPanel) < 0) {
DSI_ERR("ID read failed\n");
goto err_id_read;
}
#endif
pPanel->win_dim.l = 0;
pPanel->win_dim.r = pPanel->disp_info->width-1;
pPanel->win_dim.t = 0;
pPanel->win_dim.b = pPanel->disp_info->height-1;
pPanel->win_dim.w = pPanel->disp_info->width;
pPanel->win_dim.h = pPanel->disp_info->height;
pPanel->drvState = DRV_STATE_OPEN;
DSI_INFO("OK\n");
return res;
#if 0
err_id_read:
gpio_free(pPanel->disp_info->rst->gpio);
#endif
err_gpio_request:
err_reg_init:
err_dma_init:
CSL_DSI_CloseCmVc(pPanel->dsiCmVcHandle);
err_dsi_open_cm:
CSL_DSI_CloseClient(pPanel->clientH);
err_dsi_open_cl:
CSL_DSI_Close(pPanel->busNo);
err_dsi_init:
if (pPanel->isTE)
DSI_TeOff(pPanel);
err_te_on:
return -1;
}
