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rk2928: hdmi driver work OK

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This commit is contained in:
yzq
2012-08-09 11:00:22 +08:00
parent f9bde47dcf
commit afd099f45c
2 changed files with 35 additions and 31 deletions
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18
drivers/video/rockchip/hdmi/chips/rk2928/rk2928_hdmi.c
View File

@@ -65,8 +65,8 @@ static void hdmi_early_suspend(struct early_suspend *h)
flush_delayed_work(&hdmi->delay_work);
// When HDMI 1.1V and 2.5V power off, DDC channel will be pull down, current is produced
// from VCC_IO which is pull up outside soc. We need to switch DDC IO to GPIO.
// rk2928_mux_api_set(GPIO0A7_I2C3_SDA_HDMI_DDCSDA_NAME, GPIO0A_GPIO0A7);
// rk2928_mux_api_set(GPIO0A6_I2C3_SCL_HDMI_DDCSCL_NAME, GPIO0A_GPIO0A6);
rk30_mux_api_set(GPIO0A7_I2C3_SDA_HDMI_DDCSDA_NAME, GPIO0A_GPIO0A7);
rk30_mux_api_set(GPIO0A6_I2C3_SCL_HDMI_DDCSCL_NAME, GPIO0A_GPIO0A6);
return;
}
@@ -75,8 +75,8 @@ static void hdmi_early_resume(struct early_suspend *h)
hdmi_dbg(hdmi->dev, "hdmi exit early resume\n");
mutex_lock(&hdmi->enable_mutex);
// rk2928_mux_api_set(GPIO0A7_I2C3_SDA_HDMI_DDCSDA_NAME, GPIO0A_HDMI_DDCSDA);
// rk2928_mux_api_set(GPIO0A6_I2C3_SCL_HDMI_DDCSCL_NAME, GPIO0A_HDMI_DDCSCL);
rk30_mux_api_set(GPIO0A7_I2C3_SDA_HDMI_DDCSDA_NAME, GPIO0A_HDMI_DDCSDA);
rk30_mux_api_set(GPIO0A6_I2C3_SCL_HDMI_DDCSCL_NAME, GPIO0A_HDMI_DDCSCL);
hdmi->suspend = 0;
rk2928_hdmi_initial();
@@ -93,9 +93,9 @@ static inline void hdmi_io_remap(void)
unsigned int value;
// Remap HDMI IO Pin
// rk2928_mux_api_set(GPIO0A7_I2C3_SDA_HDMI_DDCSDA_NAME, GPIO0A_HDMI_DDCSDA);
// rk2928_mux_api_set(GPIO0A6_I2C3_SCL_HDMI_DDCSCL_NAME, GPIO0A_HDMI_DDCSCL);
// rk2928_mux_api_set(GPIO0B7_HDMI_HOTPLUGIN_NAME, GPIO0B_HDMI_HOTPLUGIN);
rk30_mux_api_set(GPIO0A7_I2C3_SDA_HDMI_DDCSDA_NAME, GPIO0A_HDMI_DDCSDA);
rk30_mux_api_set(GPIO0A6_I2C3_SCL_HDMI_DDCSCL_NAME, GPIO0A_HDMI_DDCSCL);
rk30_mux_api_set(GPIO0B7_HDMI_HOTPLUGIN_NAME, GPIO0B_HDMI_HOTPLUGIN);
// Select LCDC0 as video source and enabled.
// value = (HDMI_SOURCE_DEFAULT << 14) | (1 << 30);
@@ -130,8 +130,8 @@ static int __devinit rk2928_hdmi_probe (struct platform_device *pdev)
}
hdmi->xscale = 95;
hdmi->yscale = 95;
#if 0
hdmi->hclk = clk_get(NULL,"hclk_hdmi");
#if 1
hdmi->hclk = clk_get(NULL,"pclk_hdmi");
if(IS_ERR(hdmi->hclk))
{
dev_err(hdmi->dev, "Unable to get hdmi hclk\n");

48
drivers/video/rockchip/hdmi/chips/rk2928/rk2928_hdmi_hw.c
View File

@@ -33,17 +33,19 @@ static void rk2928_hdmi_sys_power_down(void)
static void rk2928_hdmi_set_pwr_mode(int mode)
{
int c=0;
hdmi_dbg(hdmi->dev,"%s \n",__FUNCTION__);
if(hdmi->pwr_mode == mode)
return;
return;
switch(mode){
case NORMAL:
rk2928_hdmi_sys_power_down();
HDMIWrReg(0xe3, 0x82);
HDMIWrReg(0xe5, 0x00);
HDMIWrReg(0xe4, 0x00);
HDMIWrReg(0xe7, 0x00);
HDMIWrReg(0xe1, 0x8e);
HDMIWrReg(0xe0, 0x0a);
HDMIWrReg(0xe1, 0x03);
HDMIWrReg(0xe2, 0x99);
HDMIWrReg(0xe3, 0x0f);
HDMIWrReg(0xe4, 0x00);
HDMIWrReg(0xec, 0x02);
HDMIWrReg(0xce, 0x00);
HDMIWrReg(0xce, 0x01);
rk2928_hdmi_av_mute(1);
@@ -53,11 +55,12 @@ static void rk2928_hdmi_set_pwr_mode(int mode)
case LOWER_PWR:
rk2928_hdmi_av_mute(0);
rk2928_hdmi_sys_power_down();
HDMIWrReg(0xe3, 0x02);
HDMIWrReg(0xe5, 0x1c);
HDMIWrReg(0xe1, 0x8c);
HDMIWrReg(0xe7, 0x04);
HDMIWrReg(0xe4, 0x03);
HDMIWrReg(0xe0, 0x0a);
HDMIWrReg(0xe1, 0x03);
HDMIWrReg(0xe2, 0x99);
HDMIWrReg(0xe3, 0x0f);
HDMIWrReg(0xe4, 0x00);
HDMIWrReg(0xec, 0x02);
break;
default:
hdmi_dbg(hdmi->dev,"unkown rk2928 hdmi pwr mode %d\n",mode);
@@ -266,13 +269,6 @@ static int rk2928_hdmi_config_video(struct hdmi_video_para *vpara)
else {
hdmi_dbg(hdmi->dev, "[%s] sucess output DVI.\n", __FUNCTION__);
}
// Power on TMDS
HDMIWrReg(PHY_PRE_EMPHASIS, v_PRE_EMPHASIS(0) | v_TMDS_PWRDOWN(0)); // TMDS power on
// Enable TMDS
value = HDMIRdReg(PHY_DRIVER);
value |= v_TX_ENABLE(1);
HDMIWrReg(PHY_DRIVER, value);
return 0;
}
@@ -412,8 +408,8 @@ irqreturn_t hdmi_irq(int irq, void *priv)
interrupt1 = HDMIRdReg(INTERRUPT_STATUS1);
HDMIWrReg(INTERRUPT_STATUS1, interrupt1);
#if 1
hdmi_dbg(hdmi->dev, "[%s] interrupt1 %02x interrupt2 %02x \n",\
__FUNCTION__, interrupt1, interrupt2);
hdmi_dbg(hdmi->dev, "[%s] interrupt1 %02x \n",\
__FUNCTION__, interrupt1);
#endif
if(interrupt1 & m_INT_HOTPLUG ){
if(hdmi->state == HDMI_SLEEP)
@@ -435,6 +431,14 @@ irqreturn_t hdmi_irq(int irq, void *priv)
return IRQ_HANDLED;
}
static void rk2928_hdmi_reset(void)
{
writel_relaxed(0x00010001,RK2928_CRU_BASE+ 0x128);
msleep(100);
writel_relaxed(0x00010000, RK2928_CRU_BASE + 0x128);
rk2928_hdmi_set_pwr_mode(NORMAL);
}
int rk2928_hdmi_initial(void)
{
int rc = HDMI_ERROR_SUCESS;
@@ -446,8 +450,8 @@ int rk2928_hdmi_initial(void)
hdmi->config_audio = rk2928_hdmi_config_audio;
hdmi->detect_hotplug = rk2928_hdmi_detect_hotplug;
hdmi->read_edid = rk2928_hdmi_read_edid;
// internal hclk = hdmi_hclk/20
//HDMIWrReg(0x800, HDMI_INTERANL_CLK_DIV);
rk2928_hdmi_reset();
if(hdmi->hdcp_power_on_cb)
rc = hdmi->hdcp_power_on_cb();