add mfd rk616
authoryxj <yxj@rock-chips.com>
Wed, 3 Apr 2013 10:08:40 +0000 (18:08 +0800)
committeryxj <yxj@rock-chips.com>
Wed, 3 Apr 2013 10:11:03 +0000 (18:11 +0800)
drivers/mfd/Kconfig
drivers/mfd/Makefile
drivers/mfd/rk616-core.c [new file with mode: 0644]
drivers/video/display/transmitter/Kconfig
drivers/video/display/transmitter/Makefile
drivers/video/display/transmitter/rk616_lvds.c [new file with mode: 0644]
include/linux/mfd/rk616.h [new file with mode: 0644]

index 9d7295794c9b77943b9ee8e0b399642cab7fab8e..6aa29681a06d0173d1a3af59fb6c9110bc17b6e0 100644 (file)
@@ -831,6 +831,15 @@ config MFD_RK610
        help
          if you say yes here you get support for the RK610, with func as
          HDMI LCD LVDS TVOUT CODEC.
+
+config MFD_RK616
+        bool "RK616(Jetta B) Multifunction device support"
+        depends on I2C=y 
+        select MFD_CORE
+        help
+          if you say yes here you get support for the RK616, with func as
+          HDMI、LCD、LVDS、CODEC、MIPI.
+
 endif # MFD_SUPPORT
 
 menu "Multimedia Capabilities Port drivers"
index ef1239130589c4b5fba79fd2e0a05743d90d4e54..b810c78978c78edde9afb5d0ca8437f19c0480f8 100644 (file)
@@ -109,3 +109,4 @@ obj-$(CONFIG_MFD_TPS65910)  += tps65910.o tps65910-irq.o
 obj-$(CONFIG_TPS65911_COMPARATOR)      += tps65911-comparator.o
 obj-$(CONFIG_MFD_RK610)        += rk610-core.o
 obj-$(CONFIG_MFD_RK808)        += rk808.o rk808-irq.o
+obj-$(CONFIG_MFD_RK616) += rk616-core.o
diff --git a/drivers/mfd/rk616-core.c b/drivers/mfd/rk616-core.c
new file mode 100644 (file)
index 0000000..5848bee
--- /dev/null
@@ -0,0 +1,159 @@
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/mfd/core.h>
+#include <linux/slab.h>
+#include <linux/irq.h>
+#include <linux/mfd/rk616.h>
+
+
+static struct mfd_cell rk616_devs[] = {
+       {
+               .name = "rk616-lvds",
+               .id = 0,
+       },
+       {
+               .name = "rk616-codec",
+               .id = 1,
+       },
+       {
+               .name = "rk616-hdmi",
+               .id = 2,
+       },
+       {
+               .name = "rk616-mipi",
+               .id = 3,
+       },
+};
+
+static int rk616_i2c_read_reg(struct mfd_rk616 *rk616, u16 reg,u32 *pval)
+{
+       struct i2c_client * client = rk616->client;
+       struct i2c_adapter *adap = client->adapter;
+       struct i2c_msg msgs[2];
+       int ret;
+       char reg_buf[2];
+       
+       memcpy(reg_buf, &reg, 2);
+
+       msgs[0].addr = client->addr;
+       msgs[0].flags = client->flags;
+       msgs[0].len = 2;
+       msgs[0].buf = reg_buf;
+       msgs[0].scl_rate = rk616->pdata->scl_rate;
+       msgs[0].udelay = client->udelay;
+
+       msgs[1].addr = client->addr;
+       msgs[1].flags = client->flags | I2C_M_RD;
+       msgs[1].len = 4;
+       msgs[1].buf = (char *)pval;
+       msgs[1].scl_rate = rk616->pdata->scl_rate;
+       msgs[1].udelay = client->udelay;
+
+       ret = i2c_transfer(adap, msgs, 2);
+
+       
+       return (ret == 2)? 4 : ret;
+
+}
+
+static int rk616_i2c_write_reg(struct mfd_rk616 *rk616, u16 reg,u32 *pval)
+{
+       struct i2c_client *client = rk616->client;
+       struct i2c_adapter *adap = client->adapter;
+       struct i2c_msg msg;
+       int ret;
+       char *tx_buf = (char *)kmalloc(6, GFP_KERNEL);
+       if(!tx_buf)
+               return -ENOMEM;
+       
+       memcpy(tx_buf, &reg, 2); 
+       memcpy(tx_buf+2, (char *)pval, 4); 
+
+       msg.addr = client->addr;
+       msg.flags = client->flags;
+       msg.len = 6;
+       msg.buf = (char *)tx_buf;
+       msg.scl_rate = rk616->pdata->scl_rate;
+       msg.udelay = client->udelay;
+
+       ret = i2c_transfer(adap, &msg, 1);
+       kfree(tx_buf);
+       
+       
+       return (ret == 1) ? 4 : ret;
+}
+
+static int rk616_i2c_probe(struct i2c_client *client,const struct i2c_device_id *id)
+{
+       int ret;
+       struct mfd_rk616 *rk616 = NULL;
+       
+
+       if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) 
+       {
+               dev_err(&client->dev, "Must have I2C_FUNC_I2C.\n");
+               ret = -ENODEV;
+       }
+       rk616 = kzalloc(sizeof(struct mfd_rk616), GFP_KERNEL);
+       if (rk616 == NULL)
+       {
+               printk(KERN_ALERT "alloc for struct rk616 fail\n");
+               ret = -ENOMEM;
+       }
+       
+       rk616->dev = &client->dev;
+       rk616->pdata = client->dev.platform_data;
+       rk616->client = client;
+       i2c_set_clientdata(client, rk616);
+       dev_set_drvdata(rk616->dev,rk616);
+       
+       if(rk616->pdata->power_init)
+               rk616->pdata->power_init();
+       
+       rk616->read_dev = rk616_i2c_read_reg;
+       rk616->write_dev = rk616_i2c_write_reg;
+       ret = mfd_add_devices(rk616->dev, -1,
+                                     rk616_devs, ARRAY_SIZE(rk616_devs),
+                                     NULL, rk616->irq_base);
+       
+       printk("%s.........\n",__func__);
+       return 0;
+}
+
+static int __devexit rk616_i2c_remove(struct i2c_client *client)
+{
+       return 0;
+}
+
+static const struct i2c_device_id id_table[] = {
+       {"rk616", 0 },
+       { }
+};
+
+static struct i2c_driver rk616_i2c_driver  = {
+       .driver = {
+               .name  = "rk616",
+               .owner = THIS_MODULE,
+       },
+       .probe          = &rk616_i2c_probe,
+       .remove         = &rk616_i2c_remove,
+       .id_table       = id_table,
+};
+
+
+static int __init rk616_module_init(void)
+{
+       return i2c_add_driver(&rk616_i2c_driver);
+}
+
+static void __exit rk616_module_exit(void)
+{
+       i2c_del_driver(&rk616_i2c_driver);
+}
+
+subsys_initcall_sync(rk616_module_init);
+module_exit(rk616_module_exit);
+
+
index 7d8b9347881427cdef7d9cb2a3832ba527728a2b..0d16b082b9278be21b36b501468e21810c83f47a 100644 (file)
@@ -10,6 +10,12 @@ config RK610_LVDS
        depends on MFD_RK610 
        help
                Support Jetta(RK610) to output LCD1 and LVDS.
+
+config RK616_LVDS
+        bool "RK616(Jetta B) lvds,lcd,scaler transmitter support"
+        depends on MFD_RK616
+        help
+           RK616(Jetta B) LVDS,LCD,scaler transmitter support.
                
 
 config DP_ANX6345
index 9188597200a0136d2950c32ba39b93294b6d743c..7c9ccf2a360c7bc2800da945154c6fb4d25fa930 100644 (file)
@@ -2,6 +2,7 @@
 # Makefile for display transmitter like lvds edp mipi
 #
 obj-$(CONFIG_RK610_LVDS)         += rk610_lcd.o
+obj-$(CONFIG_RK616_LVDS)          += rk616_lvds.o
 obj-$(CONFIG_TC358768_RGB2MIPI)   += mipi_dsi.o tc358768.o
 obj-$(CONFIG_SSD2828_RGB2MIPI)   += mipi_dsi.o ssd2828.o
 obj-$(CONFIG_DP_ANX6345)          += dp_anx6345.o
diff --git a/drivers/video/display/transmitter/rk616_lvds.c b/drivers/video/display/transmitter/rk616_lvds.c
new file mode 100644 (file)
index 0000000..d7e2fb5
--- /dev/null
@@ -0,0 +1,157 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/mfd/rk616.h>
+#include <linux/rk_fb.h>
+
+struct mfd_rk616 *g_rk616;
+
+
+/*rk616 video interface config*/
+static int rk616_vif_cfg(struct mfd_rk616 *rk616,rk_screen *screen,int id)
+{
+       int ret = 0;
+       u32 val = 0;
+       int offset = 0;
+       if(id == 0) //video interface 0
+       {
+               offset = 0;
+       }
+       else       //vide0 interface 1
+       {
+               offset = 0x18;
+       }
+       
+       val &= ((~VIF0_DDR_CLK_EN) & (~VIF0_DDR_PHASEN_EN) & (~VIF0_DDR_MODE_EN))|
+               (VIF0_EN);
+       val |= (VIF0_DDR_CLK_EN <<16) | (VIF0_DDR_PHASEN_EN << 16) | (VIF0_DDR_MODE_EN << 16)|
+               (VIF0_EN <<16);
+       
+       ret = rk616->write_dev(rk616,VIF0_REG0 + offset,&val);  
+
+       val = (screen->hsync_len + screen->left_margin) | ((screen->vsync_len + screen->upper_margin)<<16);
+       ret = rk616->write_dev(rk616,VIF0_REG1 + offset,&val);
+
+       val = (screen->hsync_len << 16) | (screen->hsync_len + screen->left_margin + 
+               screen->right_margin + screen->x_res);
+       ret = rk616->write_dev(rk616,VIF0_REG2 + offset,&val);
+
+       
+       val = ((screen->hsync_len + screen->left_margin + screen->x_res)<<16) |
+               (screen->hsync_len + screen->left_margin);
+       ret = rk616->write_dev(rk616,VIF0_REG3 + offset,&val);
+
+       val = (screen->vsync_len << 16) | (screen->vsync_len + screen->upper_margin + 
+               screen->lower_margin + screen->y_res);
+       ret = rk616->write_dev(rk616,VIF0_REG4 + offset,&val);
+
+
+       val = ((screen->vsync_len + screen->upper_margin + screen->y_res)<<16) |
+               (screen->vsync_len + screen->upper_margin);
+       ret = rk616->write_dev(rk616,VIF0_REG5 + offset,&val);
+       
+       return ret;
+       
+}
+
+static int rk616_vif_bypass(struct mfd_rk616 *rk616,int id)
+{
+       int ret;
+       u32 val = 0;
+
+       val &= (~VIF0_EN);
+       val |= (VIF0_EN << 16);
+       if(id == 0)
+       {
+               ret = rk616->write_dev(rk616,VIF0_REG0,&val);
+       }
+       else
+       {
+               ret = rk616->write_dev(rk616,VIF1_REG0,&val);
+       }
+
+       return ret;
+       
+}
+static int rk616_scaler_bypass(struct mfd_rk616 *rk616)
+{
+       u32 val = 0;
+       int ret;
+
+       val &= (~SCL_EN);       //disable scaler
+       val |= (SCL_EN<<16);
+       ret = rk616->write_dev(rk616,SCL_REG0,&val);
+       
+       return 0;
+       
+}
+
+int rk610_lcd_scaler_set_param(rk_screen *screen,bool enable )//enable:0 bypass 1: scale
+{
+       int ret;
+       struct mfd_rk616 *rk616 = g_rk616;
+       if(!rk616)
+       {
+               printk(KERN_ERR "%s:mfd rk616 is null!\n",__func__);
+               return -1;
+       }
+       rk616_vif_bypass(rk616,0);
+       rk616_vif_bypass(rk616,1);
+       rk616_scaler_bypass(rk616);
+       
+       return ret;
+}
+
+static int rk616_lvds_probe(struct platform_device *pdev)
+{
+
+       struct mfd_rk616 *rk616 = dev_get_drvdata(pdev->dev.parent);
+       if(!rk616)
+       {
+               dev_err(&pdev->dev,"null mfd device rk616!\n");
+               return -ENODEV;
+       }
+       else
+               g_rk616 = rk616;
+
+       dev_info(&pdev->dev,"rk616 lvds probe success!\n");
+
+       return 0;
+       
+}
+
+static int rk616_lvds_remove(struct platform_device *pdev)
+{
+       
+       return 0;
+}
+
+static void rk616_lvds_shutdown(struct platform_device *pdev)
+{
+       
+       return;
+}
+
+static struct platform_driver rk616_lvds_driver = {
+       .driver         = {
+               .name   = "rk616-lvds",
+               .owner  = THIS_MODULE,
+       },
+       .probe          = rk616_lvds_probe,
+       .remove         = rk616_lvds_remove,
+       .shutdown       = rk616_lvds_shutdown,
+};
+
+static int __init rk616_lvds_init(void)
+{
+       return platform_driver_register(&rk616_lvds_driver);
+}
+subsys_initcall_sync(rk616_lvds_init);
+
+static void __exit rk616_lvds_exit(void)
+{
+       platform_driver_unregister(&rk616_lvds_driver);
+}
+module_exit(rk616_lvds_exit);
+
diff --git a/include/linux/mfd/rk616.h b/include/linux/mfd/rk616.h
new file mode 100644 (file)
index 0000000..2f16078
--- /dev/null
@@ -0,0 +1,85 @@
+#ifndef _RK616_H_
+#define _RK616_H_
+
+#include <linux/types.h>
+#include <linux/i2c.h>
+
+
+#define VIF0_REG0              0x0000
+#define VIF0_DDR_CLK_EN                (1<<3)
+#define VIF0_DDR_PHASEN_EN     (1<<2)  //negative edge first en
+#define VIF0_DDR_MODE_EN       (1<<1)
+#define VIF0_EN                        (1<<0)
+
+#define VIF0_REG1      0x0004
+#define VIF0_REG2      0x0008
+#define VIF0_REG3      0x000C
+#define VIF0_REG4      0x0010
+#define VIF0_REG5      0x0014
+#define VIF1_REG0      0x0018
+#define VIF1_REG1      0x001C
+#define VIF1_REG2      0x0020
+#define VIF1_REG3      0x0024
+#define VIF1_REG4      0x0028
+#define VIF1_REG5      0x002C
+#define SCL_REG0       0x0030
+#define SCL_EN          (1<<0)
+
+#define SCL_REG1       0x0034
+#define SCL_REG2       0x0038
+#define SCL_REG3       0x003C
+#define SCL_REG4       0x0040
+#define SCL_REG5       0x0044
+#define SCL_REG6       0x0048
+#define SCL_REG7       0x004C
+#define SCL_REG8       0x0050
+#define FRC_REG        0x0054
+#define CRU_CLKSEL0_CON 0x0058
+#define CRU_CLKSEL1_CON 0x005C
+#define CRU_CODEC_DIV  0x0060
+#define CRU_CLKSE2_CON  0x0064
+#define CRU_PLL0_CON0   0x0068
+#define CRU_PLL0_CON1   0x006C
+#define CRU_PLL0_CON2   0x0070
+#define CRU_PLL1_CON0   0x0074
+#define CRU_PLL1_CON1   0x0078
+#define CRU_PLL1_CON2   0x007C
+#define CRU_I2C_CON0    0x0080
+#define CRU_LVDS_CON0   0x0084
+#define CRU_IO_CON0            0x0088
+#define CRU_IO_CON1    0x008C
+#define CRU_PCM2IS2_CON0       0x0090
+#define CRU_PCM2IS2_CON1       0x0094
+#define CRU_PCM2IS2_CON2       0x0098
+#define CRU_CFGMISC_CON                0x009C
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+struct rk616_platform_data {
+       int (*power_init)(void);
+       int scl_rate;
+};
+struct mfd_rk616 {
+       struct mutex reg_lock;
+
+       struct device *dev;
+       unsigned int irq_base;
+       struct rk616_platform_data *pdata;
+       struct i2c_client *client;
+       int (*read_dev)(struct mfd_rk616 *rk616, u16 reg,u32 *pval);
+       int (*write_dev)(struct mfd_rk616 *rk616,u16 reg,u32 *pval);
+};
+#endif
+