int32_t sprdfb_dsi_init(struct sprdfb_device *dev)
{
dsih_error_t result = OK;
dsih_ctrl_t* dsi_instance = &(dsi_ctx.dsi_inst);
dsi_ctx.dev = dev;
if(!dsi_ctx.is_inited){
if(dev->panel_ready){
printk(KERN_INFO "[DISP] sprdfb:[%s]: dsi has alread initialized\n", __FUNCTION__);
dsi_instance->status = INITIALIZED;
dsi_module_init(dev);
dsi_core_write_function(SPRD_MIPI_DSIC_BASE, R_DSI_HOST_ERROR_MSK0, 0x0);
dsi_core_write_function(SPRD_MIPI_DSIC_BASE, R_DSI_HOST_ERROR_MSK1, 0x800);
}else{
printk(KERN_INFO "[DISP] sprdfb:[%s]: dsi is not initialized\n", __FUNCTION__);
dsi_enable();
dsi_reset();
dsi_module_init(dev);
result=sprdfb_dsih_init(dev);
}
}else{
printk(KERN_INFO "sprdfb:[%s]: resume\n", __FUNCTION__);
dsi_enable();
dsi_reset();
result=sprdfb_dsih_init(dev);
}
return result;
}
int32_t sprdfb_dsi_init(struct sprdfb_device *dev)
{
dsih_error_t result = OK;
dsih_ctrl_t* dsi_instance = &(dsi_ctx.dsi_inst);
dsi_ctx.dev = dev;
#ifdef CONFIG_OF
struct resource r;
if(0 != of_address_to_resource(dev->of_dev->of_node, 1, &r)){
printk(KERN_ERR "sprdfb: sprdfb_dsi_init fail. (can't get register base address)\n");
return -1;
}
g_dsi_base_addr = r.start;
printk("sprdfb: set g_dsi_base_addr = 0x%x\n", g_dsi_base_addr);
#endif
if(!dsi_ctx.is_inited){
//init
if(dev->panel_ready){
//panel ready
printk(KERN_INFO "sprdfb: [%s]: dsi has alread initialized\n", __FUNCTION__);
dsi_instance->status = INITIALIZED;
dsi_module_init(dev);
#ifdef FB_DSIH_VERSION_1P21A
dsi_core_write_function(SPRD_MIPI_DSIC_BASE, R_DSI_HOST_INT_MSK0, 0x0);
dsi_core_write_function(SPRD_MIPI_DSIC_BASE, R_DSI_HOST_INT_MSK1, 0x800);
#else
dsi_core_write_function(SPRD_MIPI_DSIC_BASE, R_DSI_HOST_ERROR_MSK0, 0x0);
dsi_core_write_function(SPRD_MIPI_DSIC_BASE, R_DSI_HOST_ERROR_MSK1, 0x800);
#endif
}else{
//panel not ready
printk(KERN_INFO "sprdfb: [%s]: dsi is not initialized\n", __FUNCTION__);
dsi_enable();
dsi_reset();
dsi_module_init(dev);
result=sprdfb_dsih_init(dev);
}
}else{
//resume
printk(KERN_INFO "sprdfb: [%s]: resume\n", __FUNCTION__);
dsi_enable();
dsi_reset();
result=sprdfb_dsih_init(dev);
}
return result;
}
int32_t autotst_dsi_init(struct panel_spec *panel)
{
dsih_error_t result = OK;
printk(KERN_INFO "autotst_dsi:[%s]\n", __FUNCTION__);
dsi_enable();
dsi_reset();
dsi_module_init(panel);
result=dsih_init(panel);
dsi_ready(panel);
return result;
}
int32_t dsi_early_int(void)
{
FB_PRINT("sprdfb:[%s]\n", __FUNCTION__);
if(dsi_ctx.is_inited){
FB_PRINT("sprdfb: dispc early init warning!(has been inited)");
return 0;
}
//TODO:Enable DSI clock
dsi_reset();
memset(&(dsi_ctx.dsi_inst), 0, sizeof(dsi_ctx.dsi_inst));
dsi_ctx.is_inited = 1;
return 0;
}
int32_t dsi_early_int(void)
{
int ret = 0;
pr_debug(KERN_INFO "sprdfb:[%s]\n", __FUNCTION__);
if(dsi_ctx.is_inited){
printk(KERN_WARNING "sprdfb: dispc early init warning!(has been inited)");
return 0;
}
// dsi_ctx.clk_dsi = clk_get(NULL, "clk_dsi");
// clk_enable(dsi_ctx.clk_dsi);
/*enable dphy*/
__raw_writel(__raw_readl(REG_AHB_MIPI_PHY_CTRL) | (1<<MIPI_DPHY_EN), REG_AHB_MIPI_PHY_CTRL);
dsi_reset();
// memset(&(dsi_ctx.dsi_inst), 0, sizeof(dsi_ctx.dsi_inst));
ret = request_irq(IRQ_DSI_INT0, dsi_isr0, IRQF_DISABLED, "DSI_INT0", &dsi_ctx);
if (ret) {
printk(KERN_ERR "sprdfb: dsi failed to request irq int0!\n");
// clk_disable(dsi_ctx.clk_dsi);
return -1;
}
ret = request_irq(IRQ_DSI_INT1, dsi_isr1, IRQF_DISABLED, "DSI_INT1", &dsi_ctx);
if (ret) {
printk(KERN_ERR "sprdfb: dsi failed to request irq int1!\n");
// clk_disable(dsi_ctx.clk_dsi);
return -1;
}
dsi_ctx.is_inited = true;
return 0;
}