#include <mach/rk29_iomap.h>\r
#include <mach/board.h>\r
#include <mach/rk29_nand.h>\r
+#include <mach/rk29_camera.h> /* ddl@rock-chips.com : camera support */\r
+#include <media/soc_camera.h> /* ddl@rock-chips.com : camera support */\r
\r
#include <linux/mtd/nand.h>\r
#include <linux/mtd/partitions.h>\r
};\r
#endif\r
\r
+/*****************************************************************************************\r
+ * camera devices\r
+ * author: ddl@rock-chips.com\r
+ *****************************************************************************************/\r
+#ifdef CONFIG_VIDEO_RK29\r
+#define SENSOR_NAME_0 RK29_CAM_SENSOR_NAME_OV2655\r
+#define SENSOR_IIC_ADDR_0 0x60\r
+#define SENSOR_IIC_ADAPTER_ID_0 1\r
+#define SENSOR_POWER_PIN_0 INVALID_GPIO\r
+#define SENSOR_RESET_PIN_0 RK29_PIN0_PA2\r
+#define SENSOR_POWERACTIVE_LEVEL_0 RK29_CAM_POWERACTIVE_L\r
+#define SENSOR_RESETACTIVE_LEVEL_0 RK29_CAM_RESETACTIVE_L\r
+\r
+\r
+#define SENSOR_NAME_1 NULL\r
+#define SENSOR_IIC_ADDR_1 0x00\r
+#define SENSOR_IIC_ADAPTER_ID_1 0xff\r
+#define SENSOR_POWER_PIN_1 INVALID_GPIO\r
+#define SENSOR_RESET_PIN_1 INVALID_GPIO\r
+#define SENSOR_POWERACTIVE_LEVEL_1 RK29_CAM_POWERACTIVE_L\r
+#define SENSOR_RESETACTIVE_LEVEL_1 RK29_CAM_RESETACTIVE_L\r
+\r
+static int rk29_sensor_io_init(void);\r
+static int rk29_sensor_io_deinit(void);\r
+\r
+struct rk29camera_platform_data rk29_camera_platform_data = {\r
+ .io_init = rk29_sensor_io_init,\r
+ .io_deinit = rk29_sensor_io_deinit,\r
+ .gpio_res = {\r
+ {\r
+ .gpio_reset = SENSOR_RESET_PIN_0,\r
+ .gpio_power = SENSOR_POWER_PIN_0,\r
+ .gpio_flag = (SENSOR_POWERACTIVE_LEVEL_0|SENSOR_RESETACTIVE_LEVEL_0),\r
+ .dev_name = SENSOR_NAME_0,\r
+ }, {\r
+ .gpio_reset = SENSOR_RESET_PIN_1,\r
+ .gpio_power = SENSOR_POWER_PIN_1,\r
+ .gpio_flag = (SENSOR_POWERACTIVE_LEVEL_1|SENSOR_RESETACTIVE_LEVEL_1),\r
+ .dev_name = SENSOR_NAME_1,\r
+ }\r
+ }\r
+};\r
+\r
+static int rk29_sensor_io_init(void)\r
+{\r
+ int ret = 0, i;\r
+ unsigned int camera_reset = INVALID_GPIO, camera_power = INVALID_GPIO;\r
+ unsigned int camera_ioflag;\r
+\r
+ for (i=0; i<2; i++) {\r
+ camera_reset = rk29_camera_platform_data.gpio_res[i].gpio_reset;\r
+ camera_power = rk29_camera_platform_data.gpio_res[i].gpio_power;\r
+ camera_ioflag = rk29_camera_platform_data.gpio_res[i].gpio_flag;\r
+\r
+ if (camera_power != INVALID_GPIO) {\r
+ ret = gpio_request(camera_power, "camera power");\r
+ if (ret)\r
+ continue;\r
+\r
+ gpio_set_value(camera_reset, (((~camera_ioflag)&RK29_CAM_POWERACTIVE_MASK)>>RK29_CAM_POWERACTIVE_BITPOS));\r
+ gpio_direction_output(camera_power, (((~camera_ioflag)&RK29_CAM_POWERACTIVE_MASK)>>RK29_CAM_POWERACTIVE_BITPOS));\r
+\r
+ //printk("\n%s....%d %x \n",__FUNCTION__,__LINE__,(((~camera_ioflag)&RK29_CAM_POWERACTIVE_MASK)>>RK29_CAM_POWERACTIVE_BITPOS));\r
+\r
+ }\r
+\r
+ if (camera_reset != INVALID_GPIO) {\r
+ ret = gpio_request(camera_reset, "camera reset");\r
+ if (ret) {\r
+ if (camera_power != INVALID_GPIO)\r
+ gpio_free(camera_power);\r
+\r
+ continue;\r
+ }\r
+\r
+ gpio_set_value(camera_reset, ((camera_ioflag&RK29_CAM_RESETACTIVE_MASK)>>RK29_CAM_RESETACTIVE_BITPOS));\r
+ gpio_direction_output(camera_reset, ((camera_ioflag&RK29_CAM_RESETACTIVE_MASK)>>RK29_CAM_RESETACTIVE_BITPOS));\r
+\r
+ //printk("\n%s....%d %x \n",__FUNCTION__,__LINE__,((camera_ioflag&RK29_CAM_RESETACTIVE_MASK)>>RK29_CAM_RESETACTIVE_BITPOS));\r
+\r
+ }\r
+ }\r
+\r
+ return 0;\r
+}\r
+\r
+static int rk29_sensor_io_deinit(void)\r
+{\r
+ unsigned int i;\r
+ unsigned int camera_reset = INVALID_GPIO, camera_power = INVALID_GPIO;\r
+\r
+ //printk("\n%s....%d ******** ddl *********\n",__FUNCTION__,__LINE__);\r
+\r
+ for (i=0; i<2; i++) {\r
+ camera_reset = rk29_camera_platform_data.gpio_res[i].gpio_reset;\r
+ camera_power = rk29_camera_platform_data.gpio_res[i].gpio_power;\r
+\r
+ if (camera_power != INVALID_GPIO){\r
+ gpio_direction_input(camera_power);\r
+ gpio_free(camera_power);\r
+ }\r
\r
+ if (camera_reset != INVALID_GPIO) {\r
+ gpio_direction_input(camera_reset);\r
+ gpio_free(camera_reset);\r
+ }\r
+ }\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+static int rk29_sensor_power(struct device *dev, int on)\r
+{\r
+ unsigned int camera_reset = INVALID_GPIO, camera_power = INVALID_GPIO;\r
+ unsigned int camera_ioflag;\r
+\r
+ if(rk29_camera_platform_data.gpio_res[0].dev_name && (strcmp(rk29_camera_platform_data.gpio_res[0].dev_name, dev_name(dev)) == 0)) {\r
+ camera_reset = rk29_camera_platform_data.gpio_res[0].gpio_reset;\r
+ camera_power = rk29_camera_platform_data.gpio_res[0].gpio_power;\r
+ camera_ioflag = rk29_camera_platform_data.gpio_res[0].gpio_flag;\r
+ } else if (rk29_camera_platform_data.gpio_res[1].dev_name && (strcmp(rk29_camera_platform_data.gpio_res[1].dev_name, dev_name(dev)) == 0)) {\r
+ camera_reset = rk29_camera_platform_data.gpio_res[1].gpio_reset;\r
+ camera_power = rk29_camera_platform_data.gpio_res[1].gpio_power;\r
+ camera_ioflag = rk29_camera_platform_data.gpio_res[1].gpio_flag;\r
+ }\r
+\r
+ if (camera_reset != INVALID_GPIO) {\r
+ gpio_set_value(camera_reset, ((camera_ioflag&RK29_CAM_RESETACTIVE_MASK)>>RK29_CAM_RESETACTIVE_BITPOS));\r
+ //printk("\n%s..%s..ResetPin=%d ..PinLevel = %x \n",__FUNCTION__,dev_name(dev),camera_reset, ((camera_ioflag&RK29_CAM_RESETACTIVE_MASK)>>RK29_CAM_RESETACTIVE_BITPOS));\r
+ }\r
+ if (camera_power != INVALID_GPIO) {\r
+ if (on) {\r
+ gpio_set_value(camera_power, ((camera_ioflag&RK29_CAM_POWERACTIVE_MASK)>>RK29_CAM_POWERACTIVE_BITPOS));\r
+ //printk("\n%s..%s..PowerPin=%d ..PinLevel = %x \n",__FUNCTION__,dev_name(dev), camera_power, ((camera_ioflag&RK29_CAM_POWERACTIVE_MASK)>>RK29_CAM_POWERACTIVE_BITPOS));\r
+ } else {\r
+ gpio_set_value(camera_power, (((~camera_ioflag)&RK29_CAM_POWERACTIVE_MASK)>>RK29_CAM_POWERACTIVE_BITPOS));\r
+ //printk("\n%s..%s..PowerPin=%d ..PinLevel = %x \n",__FUNCTION__,dev_name(dev), camera_power, (((~camera_ioflag)&RK29_CAM_POWERACTIVE_MASK)>>RK29_CAM_POWERACTIVE_BITPOS));\r
+ }\r
+ }\r
+\r
+ if (camera_reset != INVALID_GPIO) {\r
+ if (on) {\r
+ msleep(3); /* delay 3 ms */\r
+ gpio_set_value(camera_reset,(((~camera_ioflag)&RK29_CAM_RESETACTIVE_MASK)>>RK29_CAM_RESETACTIVE_BITPOS));\r
+ //printk("\n%s..%s..ResetPin= %d..PinLevel = %x \n",__FUNCTION__,dev_name(dev), camera_reset, (((~camera_ioflag)&RK29_CAM_RESETACTIVE_MASK)>>RK29_CAM_RESETACTIVE_BITPOS));\r
+ }\r
+ }\r
+ return 0;\r
+}\r
+\r
+static struct i2c_board_info rk29_i2c_cam_info[] = {\r
+ {\r
+ I2C_BOARD_INFO(SENSOR_NAME_0, SENSOR_IIC_ADDR_0>>1)\r
+ },\r
+};\r
+\r
+struct soc_camera_link rk29_iclink = {\r
+ .bus_id = RK29_CAM_PLATFORM_DEV_ID,\r
+ .power = rk29_sensor_power,\r
+ .board_info = &rk29_i2c_cam_info[0],\r
+ .i2c_adapter_id = SENSOR_IIC_ADAPTER_ID_0,\r
+ .module_name = SENSOR_NAME_0,\r
+};\r
+\r
+/*platform_device : soc-camera need */\r
+struct platform_device rk29_soc_camera_pdrv = {\r
+ .name = "soc-camera-pdrv",\r
+ .id = -1,\r
+ .dev = {\r
+ .init_name = SENSOR_NAME_0,\r
+ .platform_data = &rk29_iclink,\r
+ },\r
+};\r
+\r
+extern struct platform_device rk29_device_camera;\r
+#endif\r
/*****************************************************************************************\r
* backlight devices\r
* author: nzy@rock-chips.com\r
#ifdef CONFIG_VIVANTE\r
&rk29_device_gpu,\r
#endif\r
+#ifdef CONFIG_VIDEO_RK29\r
+ &rk29_device_camera, /* ddl@rock-chips.com : camera support */\r
+ &rk29_soc_camera_pdrv,\r
+ #endif\r
&android_pmem_device,\r
&android_pmem_vpu_device,\r
};\r
#include <mach/irqs.h>
#include <mach/rk29_iomap.h>
#include <mach/rk29-dma-pl330.h>
+#include <mach/rk29_camera.h> /* ddl@rock-chips.com : camera support */
#include "devices.h"
#ifdef CONFIG_ADC_RK29
static struct resource rk29_adc_resource[] = {
},
};
+/* RK29 Camera : ddl@rock-chips.com */
+#ifdef CONFIG_VIDEO_RK29
+extern struct rk29camera_platform_data rk29_camera_platform_data;
+extern struct platform_device rk29_soc_camera_pdrv;
+
+static struct resource rk29_camera_resource[] = {
+ [0] = {
+ .start = RK29_VIP_PHYS,
+ .end = RK29_VIP_PHYS + RK29_VIP_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_VIP,
+ .end = IRQ_VIP,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static u64 rockchip_device_camera_dmamask = 0xffffffffUL;
+
+/*platform_device : */
+struct platform_device rk29_device_camera = {
+ .name = RK29_CAM_DRV_NAME,
+ .id = RK29_CAM_PLATFORM_DEV_ID, /* This is used to put cameras on this interface */
+ .num_resources = ARRAY_SIZE(rk29_camera_resource),
+ .resource = rk29_camera_resource,
+ .dev = {
+ .dma_mask = &rockchip_device_camera_dmamask,
+ .coherent_dma_mask = 0xffffffffUL,
+ .platform_data = &rk29_camera_platform_data,
+ }
+};
+#endif
#ifdef CONFIG_FB_RK29
/* rk29 fb resource */
static struct resource rk29_fb_resource[] = {
--- /dev/null
+/*
+ camera.h - PXA camera driver header file
+
+ Copyright (C) 2003, Intel Corporation
+ Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __ASM_ARCH_CAMERA_H_
+#define __ASM_ARCH_CAMERA_H_
+
+
+#define RK29_CAM_DRV_NAME "rk29xx-camera"
+#define RK29_CAM_PLATFORM_DEV_ID 33
+
+#define RK29_CAM_SENSOR_NAME_OV9650 "ov9650"
+#define RK29_CAM_SENSOR_NAME_OV2655 "ov2655"
+#define RK29_CAM_SENSOR_NAME_OV3640 "ov3640"
+#define RK29_CAM_SENSOR_NAME_OV5642 "ov5642"
+
+#define RK29_CAM_POWERACTIVE_BITPOS 0x00
+#define RK29_CAM_POWERACTIVE_MASK (1<<RK29_CAM_POWERACTIVE_BITPOS)
+#define RK29_CAM_POWERACTIVE_H (0x01<<RK29_CAM_POWERACTIVE_BITPOS)
+#define RK29_CAM_POWERACTIVE_L (0x00<<RK29_CAM_POWERACTIVE_BITPOS)
+
+#define RK29_CAM_RESETACTIVE_BITPOS 0x01
+#define RK29_CAM_RESETACTIVE_MASK (1<<RK29_CAM_RESETACTIVE_BITPOS)
+#define RK29_CAM_RESETACTIVE_H (0x01<<RK29_CAM_RESETACTIVE_BITPOS)
+#define RK29_CAM_RESETACTIVE_L (0x00<<RK29_CAM_RESETACTIVE_BITPOS)
+
+struct rk29camera_gpio_res {
+ unsigned int gpio_reset;
+ unsigned int gpio_power;
+ unsigned int gpio_flag;
+ const char *dev_name;
+};
+
+struct rk29camera_platform_data {
+ int (*io_init)(void);
+ int (*io_deinit)(void);
+ struct rk29camera_gpio_res gpio_res[2];
+};
+
+#endif /* __ASM_ARCH_CAMERA_H_ */
+
---help---
This is a v4l2 driver for the RK2818 Camera Sensor Interface
+config VIDEO_RK29
+ tristate "RK29XX Camera Sensor Interface driver"
+ depends on VIDEO_DEV && ARCH_RK29 && SOC_CAMERA && HAS_DMA
+ select VIDEOBUF_DMA_CONTIG
+ ---help---
+ This is a v4l2 driver for the RK29XX Camera Sensor Interface
+choice
+ prompt "RK29XX Camera Sensor Interface Work Mode"
+ depends on VIDEO_RK29
+ default VIDEO_RK29_WORK_ONEFRAME
+ ---help---
+ RK29 Camera Sensor Interface(VIP) can work in 2 modes, ie:OneFrame,PingPong.
+config VIDEO_RK29_WORK_ONEFRAME
+ bool "VIP OneFrame Mode"
+
+config VIDEO_RK29_WORK_PINGPONG
+ bool "VIP PingPong Mode"
+endchoice
#
# USB Multimedia device configuration
#
obj-$(CONFIG_VIDEO_PXA27x) += pxa_camera.o
obj-$(CONFIG_VIDEO_SH_MOBILE_CEU) += sh_mobile_ceu_camera.o
obj-$(CONFIG_VIDEO_RK2818) += rk2818_camera.o
+obj-$(CONFIG_VIDEO_RK29_WORK_ONEFRAME) += rk29_camera_oneframe.o
+obj-$(CONFIG_VIDEO_RK29_WORK_PINGPONG) += rk29_camera_pingpong.o
obj-$(CONFIG_ARCH_DAVINCI) += davinci/
#include <linux/delay.h>
#include <linux/circ_buf.h>
#include <linux/miscdevice.h>
-
-#include <mach/spi_fpga.h>
-
#include <media/v4l2-common.h>
#include <media/v4l2-chip-ident.h>
#include <media/soc_camera.h>
#define SENSOR_MIN_HEIGHT 144
#define SENSOR_MAX_WIDTH 1600
#define SENSOR_MAX_HEIGHT 1200
-#define SENSOR_INIT_WIDTH 352 /* Sensor pixel size for sensor_init_data array */
-#define SENSOR_INIT_HEIGHT 288
-#define SENSOR_INIT_WINSEQADR sensor_cif
+#define SENSOR_INIT_WIDTH 640 /* Sensor pixel size for sensor_init_data array */
+#define SENSOR_INIT_HEIGHT 480
+#define SENSOR_INIT_WINSEQADR sensor_vga
#define CONFIG_SENSOR_WhiteBalance 1
#define CONFIG_SENSOR_Brightness 0
#define CONFIG_SENSOR_Mirror 0
#define CONFIG_SENSOR_Flip 0
+#define CONFIG_SENSOR_I2C_SPEED 100000 /* Hz */
+
#define CONFIG_SENSOR_TR 1
-#define CONFIG_SENSOR_DEBUG 1
+#define CONFIG_SENSOR_DEBUG 0
#define SENSOR_NAME_STRING(a) STR(CONS(SENSOR_NAME, a))
#define SENSOR_NAME_VARFUN(a) CONS(SENSOR_NAME, a)
{0x3025, 0x58},
{0x3026, 0x02},
{0x3027, 0x61},
- {0x3088, 0x01},
- {0x3089, 0x68},
- {0x308a, 0x01},
- {0x308b, 0x20},
+ {0x3088, 0x02},//{0x3088, 0x01},
+ {0x3089, 0x88},//{0x3089, 0x68},
+ {0x308A, 0x01},//{0x308a, 0x01},
+ {0x308B, 0xe0},//{0x308b, 0x20},
+
{0x3316, 0x64},
{0x3317, 0x25},
{0x3318, 0x80},
{0x3319, 0x08},
- {0x331a, 0x16},
- {0x331b, 0x12},
+
+ {0x331A, 0x28},//{0x331a, 0x16},
+ {0x331B, 0x1e},//{0x331b, 0x12},
{0x331c, 0x08},
{0x331d, 0x38},
{0x3100, 0x00},
msg->flags = client->flags;
msg->buf = buf;
msg->len = sizeof(buf);
- msg->scl_rate = 400*1000; /* ddl@rock-chips.com : 100kHz */
- msg->read_type = I2C_NORMAL;
+ msg->scl_rate = CONFIG_SENSOR_I2C_SPEED; /* ddl@rock-chips.com : 100kHz */
+ msg->read_type = 0; /* fpga i2c:0==I2C_NORMAL : direct use number not enum for don't want include spi_fpga.h */
- cnt = 3;
+ cnt = 1;
err = -EAGAIN;
while ((cnt--) && (err < 0)) { /* ddl@rock-chips.com : Transfer again if transent is failed */
msg[0].flags = client->flags;
msg[0].buf = buf;
msg[0].len = sizeof(buf);
- msg[0].scl_rate = 400*1000; /* ddl@rock-chips.com : 100kHz */
- msg[0].read_type = I2C_NO_STOP; /* */
+ msg[0].scl_rate = CONFIG_SENSOR_I2C_SPEED; /* ddl@rock-chips.com : 100kHz */
+ msg[0].read_type = 2; /* fpga i2c:0==I2C_NO_STOP : direct use number not enum for don't want include spi_fpga.h */
msg[1].addr = client->addr;
msg[1].flags = client->flags|I2C_M_RD;
msg[1].buf = buf;
msg[1].len = 1;
- msg[1].scl_rate = 100*1000; /* ddl@rock-chips.com : 100kHz */
- msg[1].read_type = I2C_NO_STOP; /* */
+ msg[1].scl_rate = CONFIG_SENSOR_I2C_SPEED; /* ddl@rock-chips.com : 100kHz */
+ msg[1].read_type = 2; /* fpga i2c:0==I2C_NO_STOP : direct use number not enum for don't want include spi_fpga.h */
- cnt = 3;
+ cnt = 1;
err = -EAGAIN;
while ((cnt--) && (err < 0)) { /* ddl@rock-chips.com : Transfer again if transent is failed */
err = i2c_transfer(client->adapter, msg, 2);
*val = buf[0];
return 0;
} else {
- SENSOR_TR("\n %s read reg failed, try to read again!\n",SENSOR_NAME_STRING());
+ SENSOR_TR("\n %s read reg failed, try to read again! reg:0x%x \n",SENSOR_NAME_STRING(),val);
udelay(10);
}
}
/* write a array of registers */
static int sensor_write_array(struct i2c_client *client, struct reginfo *regarray)
{
- int err;
+ int err, cnt;
int i = 0;
+ cnt = 0;
while (regarray[i].reg != 0)
{
err = sensor_write(client, regarray[i].reg, regarray[i].val);
- if (err != 0)
+ if (err < 0)
{
- SENSOR_TR("%s..write failed current i = %d\n", SENSOR_NAME_STRING(),i);
- return err;
+ if (cnt-- > 0) {
+ SENSOR_TR("%s..write failed current reg:0x%x, Write array again !\n", SENSOR_NAME_STRING(),regarray[i].reg);
+ i = 0;
+ continue;
+ } else {
+ SENSOR_TR("%s..write array failed!!!\n", SENSOR_NAME_STRING());
+ return -EPERM;
+ }
}
i++;
}
struct soc_camera_device *icd = client->dev.platform_data;
struct sensor *sensor = to_sensor(client);
const struct v4l2_queryctrl *qctrl;
- int ret;
+ char value;
+ int ret,pid = 0;
SENSOR_DG("\n%s..%s.. \n",SENSOR_NAME_STRING(),__FUNCTION__);
}
mdelay(5); //delay 5 microseconds
+ /* check if it is an sensor sensor */
+ ret = sensor_read(client, 0x300a, &value);
+ if (ret != 0) {
+ SENSOR_TR("read chip id high byte failed\n");
+ ret = -ENODEV;
+ goto sensor_INIT_ERR;
+ }
+
+ pid |= (value << 8);
+
+ ret = sensor_read(client, 0x300b, &value);
+ if (ret != 0) {
+ SENSOR_TR("read chip id low byte failed\n");
+ ret = -ENODEV;
+ goto sensor_INIT_ERR;
+ }
+
+ pid |= (value & 0xff);
+ SENSOR_DG("\n %s pid = 0x%x\n", SENSOR_NAME_STRING(), pid);
+ if (pid == SENSOR_ID) {
+ sensor->model = SENSOR_V4L2_IDENT;
+ } else {
+ SENSOR_TR("error: %s mismatched pid = 0x%x\n", SENSOR_NAME_STRING(), pid);
+ ret = -ENODEV;
+ goto sensor_INIT_ERR;
+ }
ret = sensor_write_array(client, sensor_init_data);
if (ret != 0)
icl = to_soc_camera_link(icd);
if (icl->power) {
ret = icl->power(icd->pdev, 0);
- if (ret < 0)
- return -EINVAL;
+ if (ret < 0) {
+ SENSOR_TR("\n %s suspend fail for turn on power!\n");
+ return -EINVAL;
+ }
}
}
}
icl = to_soc_camera_link(icd);
if (icl->power) {
- ret = icl->power(icd->pdev, 0);
- if (ret < 0)
- return -EINVAL;
+ ret = icl->power(icd->pdev, 1);
+ if (ret < 0) {
+ SENSOR_TR("\n %s resume fail for turn on power!\n");
+ return -EINVAL;
+ }
}
+ SENSOR_DG("\n %s Enter Resume.. \n", SENSOR_NAME_STRING());
+
return 0;
}
}
sensor->info_priv.winseqe_cur_addr = (int)winseqe_set_addr;
- mdelay(250);
+ //mdelay(250);
SENSOR_DG("\n%s..%s.. icd->width = %d.. icd->height %d\n",SENSOR_NAME_STRING(),__FUNCTION__,set_w,set_h);
}
--- /dev/null
+/*
+ * V4L2 Driver for RK28 camera host
+ *
+ * Copyright (C) 2006, Sascha Hauer, Pengutronix
+ * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/moduleparam.h>
+#include <linux/time.h>
+#include <linux/clk.h>
+#include <linux/version.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/videodev2.h>
+
+#include <mach/rk29_camera.h>
+#include <mach/rk29_iomap.h>
+#include <mach/iomux.h>
+
+#include <media/v4l2-common.h>
+#include <media/v4l2-dev.h>
+#include <media/videobuf-dma-contig.h>
+#include <media/soc_camera.h>
+
+// VIP Reg Offset
+#define RK29_VIP_AHBR_CTRL 0x00
+#define RK29_VIP_INT_MASK 0x04
+#define RK29_VIP_INT_STS 0x08
+#define RK29_VIP_STS 0x0c
+#define RK29_VIP_CTRL 0x10
+#define RK29_VIP_CAPTURE_F1SA_Y 0x14
+#define RK29_VIP_CAPTURE_F1SA_UV 0x18
+#define RK29_VIP_CAPTURE_F1SA_Cr 0x1c
+#define RK29_VIP_CAPTURE_F2SA_Y 0x20
+#define RK29_VIP_CAPTURE_F2SA_UV 0x24
+#define RK29_VIP_CAPTURE_F2SA_Cr 0x28
+#define RK29_VIP_FB_SR 0x2c
+#define RK29_VIP_FS 0x30
+#define RK29_VIP_VIPRESERVED 0x34
+#define RK29_VIP_CROP 0x38
+#define RK29_VIP_CRM 0x3c
+#define RK29_VIP_RESET 0x40
+#define RK29_VIP_L_SFT 0x44
+
+//The key register bit descrition
+// VIP_CTRL Reg
+#define DISABLE_CAPTURE (0x00<<0)
+#define ENABLE_CAPTURE (0x01<<0)
+#define HSY_HIGH_ACTIVE (0x00<<1)
+#define HSY_LOW_ACTIVE (0x01<<1)
+#define VIP_CCIR656 (0x00<<2)
+#define VIP_SENSOR (0x01<<2)
+#define SENSOR_UYVY (0x00<<3)
+#define SENSOR_YUYV (0x01<<3)
+#define VIP_YUV (0x00<<4)
+#define VIP_RAW (0x01<<4)
+#define CON_OR_PIN (0x00<<5)
+#define ONEFRAME (0x01<<5)
+#define VIPREGYUV420 (0x00<<6)
+#define VIPREGYUV422 (0x01<<6)
+#define FIELD0_START (0x00<<7)
+#define FIELD1_START (0x01<<7)
+#define CONTINUOUS (0x00<<8)
+#define PING_PONG (0x01<<8)
+#define POSITIVE_EDGE (0x00<<9)
+#define NEGATIVE_EDGE (0x01<<9)
+#define VIPREGNTSC (0x00<<10)
+#define VIPREGPAL (0x01<<10)
+#define VIP_DATA_LITTLEEND (0x00<<11)
+#define VIP_DATA_BIGEND (0x01<<11)
+#define VSY_LOW_ACTIVE (0x00<<12)
+#define VSY_HIGH_ACTIVE (0x01<<12)
+#define VIP_RAWINPUT_BYPASS (0x00<<13)
+#define VIP_RAWINPUT_POSITIVE_EDGE (0x01<<13)
+#define VIP_RAWINPUT_NEGATIVE_EDGE (0x02<<13)
+
+// GRF_SOC_CON0 Reg
+#define GRF_SOC_CON0_Reg 0xbc
+#define VIP_AXIMASTER (0x00<<0)
+#define VIP_AHBMASTER (0x01<<2)
+
+// GRF_OS_REG0
+#define GRF_OS_REG0 0xd0
+#define VIP_ACLK_DIV_HCLK_1 (0x00<<0)
+#define VIP_ACLK_DIV_HCLK_2 (0x01<<0)
+
+
+#define MIN(x,y) ((x<y) ? x: y)
+#define MAX(x,y) ((x>y) ? x: y)
+#define RK29_SENSOR_24MHZ 24 /* MHz */
+#define RK29_SENSOR_48MHZ 48
+
+#define write_vip_reg(addr, val) __raw_writel(val, addr+(rk29_camdev_info_ptr->base))
+#define read_vip_reg(addr) __raw_readl(addr+(rk29_camdev_info_ptr->base))
+#define mask_vip_reg(addr, msk, val) write_vip_reg(addr, (val)|((~(msk))&read_vip_reg(addr)))
+
+#define write_grf_reg(addr, val) __raw_writel(val, addr+RK29_GRF_BASE)
+#define read_grf_reg(addr) __raw_readl(addr+RK29_GRF_BASE)
+#define mask_grf_reg(addr, msk, val) write_vip_reg(addr, (val)|((~(msk))&read_vip_reg(addr)))
+
+//Configure Macro
+#define CONFIG_RK29CAMERA_TR 1
+#define CONFIG_RK29CAMERA_DEBUG 0
+#if (CONFIG_RK29CAMERA_TR)
+ #define RK29CAMERA_TR(format, ...) printk(format, ## __VA_ARGS__)
+ #if (CONFIG_RK29CAMERA_DEBUG)
+ #define RK29CAMERA_DG(format, ...) printk(format, ## __VA_ARGS__)
+ #else
+ #define RK29CAMERA_DG(format, ...)
+ #endif
+#else
+ #define RK29CAMERA_TR(format, ...)
+ #define RK29CAMERA_DG(format, ...)
+#endif
+
+#define RK29_CAM_VERSION_CODE KERNEL_VERSION(0, 0, 1)
+
+/* limit to rk29 hardware capabilities */
+#define RK29_CAM_BUS_PARAM (SOCAM_MASTER |\
+ SOCAM_HSYNC_ACTIVE_HIGH |\
+ SOCAM_HSYNC_ACTIVE_LOW |\
+ SOCAM_VSYNC_ACTIVE_HIGH |\
+ SOCAM_VSYNC_ACTIVE_LOW |\
+ SOCAM_PCLK_SAMPLE_RISING |\
+ SOCAM_PCLK_SAMPLE_FALLING|\
+ SOCAM_DATA_ACTIVE_HIGH |\
+ SOCAM_DATA_ACTIVE_LOW|\
+ SOCAM_DATAWIDTH_8|SOCAM_DATAWIDTH_10|\
+ SOCAM_MCLK_24MHZ |SOCAM_MCLK_48MHZ)
+
+#define RK29_CAM_W_MIN 48
+#define RK29_CAM_H_MIN 32
+#define RK29_CAM_W_MAX 3856 /* ddl@rock-chips.com : 10M Pixel */
+#define RK29_CAM_H_MAX 2764
+#define RK29_CAM_FRAME_INVAL_INIT 3
+#define RK29_CAM_FRAME_INVAL_DC 1 /* ddl@rock-chips.com : */
+
+
+
+extern void videobuf_dma_contig_free(struct videobuf_queue *q, struct videobuf_buffer *buf);
+extern dma_addr_t videobuf_to_dma_contig(struct videobuf_buffer *buf);
+extern void videobuf_queue_dma_contig_init(struct videobuf_queue *q,
+ struct videobuf_queue_ops *ops,
+ struct device *dev,
+ spinlock_t *irqlock,
+ enum v4l2_buf_type type,
+ enum v4l2_field field,
+ unsigned int msize,
+ void *priv);
+
+/* buffer for one video frame */
+struct rk29_buffer
+{
+ /* common v4l buffer stuff -- must be first */
+ struct videobuf_buffer vb;
+ const struct soc_camera_data_format *fmt;
+ int inwork;
+};
+enum rk29_camera_reg_state
+{
+ Reg_Invalidate,
+ Reg_Validate
+};
+
+struct rk29_camera_reg
+{
+ unsigned int VipCtrl;
+ unsigned int VipCrop;
+ unsigned int VipFs;
+ unsigned int VipIntMsk;
+ unsigned int VipCrm;
+ enum rk29_camera_reg_state Inval;
+};
+struct rk29_camera_dev
+{
+ struct soc_camera_host soc_host;
+ struct device *dev;
+ /* RK2827x is only supposed to handle one camera on its Quick Capture
+ * interface. If anyone ever builds hardware to enable more than
+ * one camera, they will have to modify this driver too */
+ struct soc_camera_device *icd;
+ struct clk *clk;
+ void __iomem *base;
+ void __iomem *grf_base;
+ int frame_inval; /* ddl@rock-chips.com : The first frames is invalidate */
+ unsigned int irq;
+
+ struct rk29camera_platform_data *pdata;
+ struct resource *res;
+
+ struct list_head capture;
+
+ spinlock_t lock;
+
+ struct videobuf_buffer *active;
+ struct videobuf_queue *vb_vidq_ptr;
+ struct rk29_camera_reg reginfo_suspend;
+};
+static DEFINE_MUTEX(camera_lock);
+static const char *rk29_cam_driver_description = "RK29_Camera";
+static struct rk29_camera_dev *rk29_camdev_info_ptr;
+
+static int rk29_camera_s_stream(struct soc_camera_device *icd, int enable);
+
+
+/*
+ * Videobuf operations
+ */
+static int rk29_videobuf_setup(struct videobuf_queue *vq, unsigned int *count,
+ unsigned int *size)
+{
+ struct soc_camera_device *icd = vq->priv_data;
+ int bytes_per_pixel = (icd->current_fmt->depth + 7) >> 3;
+
+ dev_dbg(&icd->dev, "count=%d, size=%d\n", *count, *size);
+
+ /* planar capture requires Y, U and V buffers to be page aligned */
+ *size = PAGE_ALIGN( icd->user_width * icd->user_height * bytes_per_pixel); /* Y pages UV pages, yuv422*/
+
+ RK29CAMERA_DG("\n%s..%d.. size = %d\n",__FUNCTION__,__LINE__, *size);
+
+ return 0;
+}
+static void rk29_videobuf_free(struct videobuf_queue *vq, struct rk29_buffer *buf)
+{
+ struct soc_camera_device *icd = vq->priv_data;
+
+ dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
+ &buf->vb, buf->vb.baddr, buf->vb.bsize);
+
+ /* ddl@rock-chips.com: buf_release called soc_camera_streamoff and soc_camera_close*/
+ if (buf->vb.state == VIDEOBUF_NEEDS_INIT)
+ return;
+
+ if (in_interrupt())
+ BUG();
+
+ videobuf_dma_contig_free(vq, &buf->vb);
+ dev_dbg(&icd->dev, "%s freed\n", __func__);
+ buf->vb.state = VIDEOBUF_NEEDS_INIT;
+ return;
+}
+static int rk29_videobuf_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, enum v4l2_field field)
+{
+ struct soc_camera_device *icd = vq->priv_data;
+ struct rk29_buffer *buf;
+ int ret;
+
+ buf = container_of(vb, struct rk29_buffer, vb);
+
+ dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
+ vb, vb->baddr, vb->bsize);
+
+ //RK29CAMERA_TR("\n%s..%d.. \n",__FUNCTION__,__LINE__);
+
+ /* Added list head initialization on alloc */
+ WARN_ON(!list_empty(&vb->queue));
+
+ /* This can be useful if you want to see if we actually fill
+ * the buffer with something */
+ //memset((void *)vb->baddr, 0xaa, vb->bsize);
+
+ BUG_ON(NULL == icd->current_fmt);
+
+ if (buf->fmt != icd->current_fmt ||
+ vb->width != icd->user_width ||
+ vb->height != icd->user_height ||
+ vb->field != field) {
+ buf->fmt = icd->current_fmt;
+ vb->width = icd->user_width;
+ vb->height = icd->user_height;
+ vb->field = field;
+ vb->state = VIDEOBUF_NEEDS_INIT;
+ }
+
+ vb->size = vb->width * vb->height * ((buf->fmt->depth + 7) >> 3) ; /* ddl@rock-chips.com : fmt->depth is coorect */
+ if (0 != vb->baddr && vb->bsize < vb->size) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (vb->state == VIDEOBUF_NEEDS_INIT) {
+ ret = videobuf_iolock(vq, vb, NULL);
+ if (ret) {
+ goto fail;
+ }
+ vb->state = VIDEOBUF_PREPARED;
+ }
+ //RK29CAMERA_TR("\n%s..%d.. \n",__FUNCTION__,__LINE__);
+ return 0;
+fail:
+ rk29_videobuf_free(vq, buf);
+out:
+ return ret;
+}
+
+static inline void rk29_videobuf_capture(struct videobuf_buffer *vb)
+{
+ unsigned int size;
+
+ if (vb) {
+ size = vb->width * vb->height; /* Y pages UV pages, yuv422*/
+ write_vip_reg(RK29_VIP_CAPTURE_F1SA_Y, vb->boff);
+ write_vip_reg(RK29_VIP_CAPTURE_F1SA_UV, vb->boff + size);
+ write_vip_reg(RK29_VIP_CAPTURE_F2SA_Y, vb->boff);
+ write_vip_reg(RK29_VIP_CAPTURE_F2SA_UV, vb->boff + size);
+ write_vip_reg(RK29_VIP_FB_SR, 0x00000002);//frame1 has been ready to receive data,frame 2 is not used
+ }
+}
+/* Locking: Caller holds q->irqlock */
+static void rk29_videobuf_queue(struct videobuf_queue *vq,
+ struct videobuf_buffer *vb)
+{
+ struct soc_camera_device *icd = vq->priv_data;
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+
+ dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
+ vb, vb->baddr, vb->bsize);
+
+ vb->state = VIDEOBUF_QUEUED;
+
+ if (!list_empty(&pcdev->capture)) {
+ list_add_tail(&vb->queue, &pcdev->capture);
+ } else {
+ if (list_entry(pcdev->capture.next, struct videobuf_buffer, queue) != vb)
+ list_add_tail(&vb->queue, &pcdev->capture);
+ else
+ BUG(); /* ddl@rock-chips.com : The same videobuffer queue again */
+ }
+
+ if (!pcdev->active) {
+ pcdev->active = vb;
+ rk29_videobuf_capture(vb);
+ }
+}
+static irqreturn_t rk29_camera_irq(int irq, void *data)
+{
+ struct rk29_camera_dev *pcdev = data;
+ struct videobuf_buffer *vb;
+
+ read_vip_reg(RK29_VIP_INT_STS); /* clear vip interrupte single */
+
+ /* ddl@rock-chps.com : Current VIP is run in One Frame Mode, Frame 1 is validate */
+ if (read_vip_reg(RK29_VIP_FB_SR) & 0x01) {
+
+ if (!pcdev->active)
+ goto RK29_CAMERA_IRQ_END;
+
+ if (pcdev->frame_inval>0) {
+ pcdev->frame_inval--;
+ rk29_videobuf_capture(pcdev->active);
+ goto RK29_CAMERA_IRQ_END;
+ } else if (pcdev->frame_inval) {
+ RK29CAMERA_TR("frame_inval : %0x",pcdev->frame_inval);
+ pcdev->frame_inval = 0;
+ }
+
+ vb = pcdev->active;
+ /* ddl@rock-chips.com : this vb may be deleted from queue */
+ if ((vb->state == VIDEOBUF_QUEUED) || (vb->state == VIDEOBUF_ACTIVE)) {
+ list_del_init(&vb->queue);
+ }
+
+ pcdev->active = NULL;
+ if (!list_empty(&pcdev->capture)) {
+ pcdev->active = list_entry(pcdev->capture.next, struct videobuf_buffer, queue);
+ if (pcdev->active) {
+ rk29_videobuf_capture(pcdev->active);
+ }
+ }
+
+ if (pcdev->active == NULL) {
+ RK29CAMERA_DG("%s video_buf queue is empty!\n",__FUNCTION__);
+ }
+
+ if ((vb->state == VIDEOBUF_QUEUED) || (vb->state == VIDEOBUF_ACTIVE)) {
+ vb->state = VIDEOBUF_DONE;
+ do_gettimeofday(&vb->ts);
+ vb->field_count++;
+ }
+
+ wake_up(&vb->done);
+ }
+
+RK29_CAMERA_IRQ_END:
+ return IRQ_HANDLED;
+}
+
+
+static void rk29_videobuf_release(struct videobuf_queue *vq,
+ struct videobuf_buffer *vb)
+{
+ struct rk29_buffer *buf = container_of(vb, struct rk29_buffer, vb);
+ struct soc_camera_device *icd = vq->priv_data;
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+
+#ifdef DEBUG
+ dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
+ vb, vb->baddr, vb->bsize);
+
+ switch (vb->state)
+ {
+ case VIDEOBUF_ACTIVE:
+ dev_dbg(&icd->dev, "%s (active)\n", __func__);
+ break;
+ case VIDEOBUF_QUEUED:
+ dev_dbg(&icd->dev, "%s (queued)\n", __func__);
+ break;
+ case VIDEOBUF_PREPARED:
+ dev_dbg(&icd->dev, "%s (prepared)\n", __func__);
+ break;
+ default:
+ dev_dbg(&icd->dev, "%s (unknown)\n", __func__);
+ break;
+ }
+#endif
+ if (vb == pcdev->active) {
+ RK29CAMERA_DG("%s Wait for this video buf(0x%x) write finished!\n ",__FUNCTION__,(unsigned int)vb);
+ interruptible_sleep_on_timeout(&vb->done, 100);
+ RK29CAMERA_DG("%s This video buf(0x%x) write finished, release now!!\n",__FUNCTION__,(unsigned int)vb);
+ }
+ rk29_videobuf_free(vq, buf);
+}
+
+static struct videobuf_queue_ops rk29_videobuf_ops =
+{
+ .buf_setup = rk29_videobuf_setup,
+ .buf_prepare = rk29_videobuf_prepare,
+ .buf_queue = rk29_videobuf_queue,
+ .buf_release = rk29_videobuf_release,
+};
+
+static void rk29_camera_init_videobuf(struct videobuf_queue *q,
+ struct soc_camera_device *icd)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+
+ /* We must pass NULL as dev pointer, then all pci_* dma operations
+ * transform to normal dma_* ones. */
+ videobuf_queue_dma_contig_init(q,
+ &rk29_videobuf_ops,
+ ici->v4l2_dev.dev, &pcdev->lock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_NONE,
+ sizeof(struct rk29_buffer),
+ icd);
+ pcdev->vb_vidq_ptr = q; /* ddl@rock-chips.com */
+}
+static int rk29_camera_activate(struct rk29_camera_dev *pcdev, struct soc_camera_device *icd)
+{
+ unsigned long sensor_bus_flags = SOCAM_MCLK_24MHZ;
+ struct clk *parent;
+
+ RK29CAMERA_DG("\n%s..%d.. \n",__FUNCTION__,__LINE__);
+ if (!pcdev->clk || IS_ERR(pcdev->clk))
+ RK29CAMERA_TR(KERN_ERR "failed to get vip_clk source\n");
+
+ //if (icd->ops->query_bus_param) /* ddl@rock-chips.com : Query Sensor's xclk */
+ //sensor_bus_flags = icd->ops->query_bus_param(icd);
+
+ if (sensor_bus_flags & SOCAM_MCLK_48MHZ) {
+ parent = clk_get(NULL, "clk48m");
+ if (!parent || IS_ERR(parent))
+ goto RK29_CAMERA_ACTIVE_ERR;
+ } else if (sensor_bus_flags & SOCAM_MCLK_27MHZ) {
+ parent = clk_get(NULL, "extclk");
+ if (!parent || IS_ERR(parent))
+ goto RK29_CAMERA_ACTIVE_ERR;
+ } else {
+ parent = clk_get(NULL, "xin24m");
+ if (!parent || IS_ERR(parent))
+ goto RK29_CAMERA_ACTIVE_ERR;
+ }
+
+ clk_set_parent(pcdev->clk, parent);
+
+ clk_enable(pcdev->clk);
+ rk29_mux_api_set(GPIO1B4_VIPCLKOUT_NAME, GPIO1L_VIP_CLKOUT);
+ ndelay(10);
+
+ //write_grf_reg(GRF_SOC_CON0_Reg, read_grf_reg(GRF_SOC_CON0_Reg)|VIP_AHBMASTER); //VIP Config to AHB
+ write_grf_reg(GRF_SOC_CON0_Reg, read_grf_reg(GRF_SOC_CON0_Reg)&(~VIP_AHBMASTER)); //VIP Config to AXI
+ write_grf_reg(GRF_OS_REG0, read_grf_reg(GRF_OS_REG0)&(~VIP_ACLK_DIV_HCLK_2)); //aclk:hclk = 1:1
+ //write_grf_reg(GRF_OS_REG0, read_grf_reg(GRF_OS_REG0)|VIP_ACLK_DIV_HCLK_2); //aclk:hclk = 2:1
+
+ write_vip_reg(RK29_VIP_RESET, 0x76543210); /* ddl@rock-chips.com : vip software reset */
+ udelay(10);
+
+ write_vip_reg(RK29_VIP_AHBR_CTRL, 0x07); /* ddl@rock-chips.com : vip ahb burst 16 */
+ write_vip_reg(RK29_VIP_INT_MASK, 0x01); //capture complete interrupt enable
+ write_vip_reg(RK29_VIP_CRM, 0x00000000); //Y/CB/CR color modification
+
+ return 0;
+RK29_CAMERA_ACTIVE_ERR:
+ return -ENODEV;
+}
+
+static void rk29_camera_deactivate(struct rk29_camera_dev *pcdev)
+{
+ pcdev->active = NULL;
+
+ write_vip_reg(RK29_VIP_CTRL, 0);
+ read_vip_reg(RK29_VIP_INT_STS); //clear vip interrupte single
+
+ rk29_mux_api_set(GPIO1B4_VIPCLKOUT_NAME, GPIO1L_GPIO1B4);
+ clk_disable(pcdev->clk);
+
+ return;
+}
+
+/* The following two functions absolutely depend on the fact, that
+ * there can be only one camera on RK28 quick capture interface */
+static int rk29_camera_add_device(struct soc_camera_device *icd)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ struct device *control = to_soc_camera_control(icd);
+ struct v4l2_subdev *sd;
+ int ret;
+
+ mutex_lock(&camera_lock);
+
+ if (pcdev->icd) {
+ ret = -EBUSY;
+ goto ebusy;
+ }
+
+ dev_info(&icd->dev, "RK29 Camera driver attached to camera %d\n",
+ icd->devnum);
+
+ pcdev->frame_inval = RK29_CAM_FRAME_INVAL_INIT;
+ pcdev->active = NULL;
+ pcdev->icd = NULL;
+ pcdev->reginfo_suspend.Inval = Reg_Invalidate;
+ /* ddl@rock-chips.com: capture list must be reset, because this list may be not empty,
+ * if app havn't dequeue all videobuf before close camera device;
+ */
+ INIT_LIST_HEAD(&pcdev->capture);
+
+ ret = rk29_camera_activate(pcdev,icd);
+ if (ret)
+ goto ebusy;
+
+ /* ddl@rock-chips.com : v4l2_subdev is not created when ici->ops->add called in soc_camera_probe */
+ if (control) {
+ sd = dev_get_drvdata(control);
+ ret = v4l2_subdev_call(sd,core, init, 0);
+ if (ret)
+ goto ebusy;
+ }
+
+ pcdev->icd = icd;
+
+ebusy:
+ mutex_unlock(&camera_lock);
+
+ return ret;
+}
+static void rk29_camera_remove_device(struct soc_camera_device *icd)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+
+ BUG_ON(icd != pcdev->icd);
+
+ dev_info(&icd->dev, "RK29 Camera driver detached from camera %d\n",
+ icd->devnum);
+
+ rk29_camera_deactivate(pcdev);
+
+ /* ddl@rock-chips.com: Call videobuf_mmap_free here for free the struct video_buffer which malloc in videobuf_alloc */
+ if (pcdev->vb_vidq_ptr) {
+ videobuf_mmap_free(pcdev->vb_vidq_ptr);
+ pcdev->vb_vidq_ptr = NULL;
+ }
+
+ pcdev->active = NULL;
+ pcdev->icd = NULL;
+ pcdev->reginfo_suspend.Inval = Reg_Invalidate;
+ /* ddl@rock-chips.com: capture list must be reset, because this list may be not empty,
+ * if app havn't dequeue all videobuf before close camera device;
+ */
+ INIT_LIST_HEAD(&pcdev->capture);
+
+ return;
+}
+
+static int rk29_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
+{
+ unsigned long bus_flags, camera_flags, common_flags;
+ unsigned int vip_ctrl_val = 0;
+ int ret = 0;
+
+ RK29CAMERA_DG("\n%s..%d..\n",__FUNCTION__,__LINE__);
+
+ bus_flags = RK29_CAM_BUS_PARAM;
+ if (icd->ops->query_bus_param)
+ camera_flags = icd->ops->query_bus_param(icd);
+ else
+ camera_flags = 0;
+
+ common_flags = soc_camera_bus_param_compatible(camera_flags, bus_flags);
+ if (!common_flags) {
+ ret = -EINVAL;
+ goto RK29_CAMERA_SET_BUS_PARAM_END;
+ }
+
+ ret = icd->ops->set_bus_param(icd, common_flags);
+ if (ret < 0)
+ goto RK29_CAMERA_SET_BUS_PARAM_END;
+
+ if (common_flags & SOCAM_DATAWIDTH_8) {
+ icd->buswidth = 8;
+ } else if (common_flags & SOCAM_DATAWIDTH_10) {
+ icd->buswidth = 10;
+ }
+
+ vip_ctrl_val = read_vip_reg(RK29_VIP_CTRL);
+ if (common_flags & SOCAM_PCLK_SAMPLE_FALLING) {
+ vip_ctrl_val |= NEGATIVE_EDGE;
+ } else {
+ vip_ctrl_val &= ~NEGATIVE_EDGE;
+ }
+ if (common_flags & SOCAM_HSYNC_ACTIVE_LOW) {
+ vip_ctrl_val |= HSY_LOW_ACTIVE;
+ } else {
+ vip_ctrl_val &= ~HSY_LOW_ACTIVE;
+ }
+ if (common_flags & SOCAM_VSYNC_ACTIVE_HIGH) {
+ vip_ctrl_val |= VSY_HIGH_ACTIVE;
+ } else {
+ vip_ctrl_val &= ~VSY_HIGH_ACTIVE;
+ }
+
+ /* ddl@rock-chips.com : Don't enable capture here, enable in stream_on */
+ //vip_ctrl_val |= ENABLE_CAPTURE;
+
+ write_vip_reg(RK29_VIP_CTRL, vip_ctrl_val);
+ RK29CAMERA_DG("\n%s..ctrl:0x%x CtrReg=%x AXI_AHB:0x%x aclk_hclk:0x%x \n",__FUNCTION__,vip_ctrl_val,read_vip_reg(RK29_VIP_CTRL),
+ read_grf_reg(GRF_SOC_CON0_Reg)&VIP_AHBMASTER, read_grf_reg(GRF_OS_REG0)&VIP_ACLK_DIV_HCLK_2);
+
+RK29_CAMERA_SET_BUS_PARAM_END:
+ if (ret)
+ RK29CAMERA_TR("\n%s..%d.. ret = %d \n",__FUNCTION__,__LINE__, ret);
+ return ret;
+}
+
+static int rk29_camera_try_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
+{
+ unsigned long bus_flags, camera_flags;
+ int ret;
+
+ bus_flags = RK29_CAM_BUS_PARAM;
+ if (icd->ops->query_bus_param) {
+ camera_flags = icd->ops->query_bus_param(icd);
+ } else {
+ camera_flags = 0;
+ }
+ ret = soc_camera_bus_param_compatible(camera_flags, bus_flags) ;
+
+ if (ret < 0)
+ dev_warn(icd->dev.parent,
+ "Flags incompatible: camera %lx, host %lx\n",
+ camera_flags, bus_flags);
+ return ret;
+}
+static const struct soc_camera_data_format rk29_camera_formats[] = {
+ {
+ .name = "Planar YUV420 12 bit",
+ .depth = 12,
+ .fourcc = V4L2_PIX_FMT_YUV420,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },{
+ .name = "Planar YUV422 16 bit",
+ .depth = 16,
+ .fourcc = V4L2_PIX_FMT_YUV422P,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },{
+ .name = "Raw Bayer RGB 10 bit",
+ .depth = 16,
+ .fourcc = V4L2_PIX_FMT_SGRBG10,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ }
+};
+
+static void rk29_camera_setup_format(struct soc_camera_device *icd, __u32 host_pixfmt, __u32 cam_pixfmt, struct v4l2_rect *rect)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ unsigned int vip_fs = 0,vip_crop = 0;
+ unsigned int vip_ctrl_val = VIP_SENSOR|ONEFRAME|DISABLE_CAPTURE;
+
+ switch (host_pixfmt)
+ {
+ case V4L2_PIX_FMT_YUV422P:
+ vip_ctrl_val |= VIPREGYUV422;
+ pcdev->frame_inval = RK29_CAM_FRAME_INVAL_DC;
+ break;
+ case V4L2_PIX_FMT_YUV420:
+ vip_ctrl_val |= VIPREGYUV420;
+ if (pcdev->frame_inval != RK29_CAM_FRAME_INVAL_INIT)
+ pcdev->frame_inval = RK29_CAM_FRAME_INVAL_INIT;
+ break;
+ case V4L2_PIX_FMT_SGRBG10:
+ vip_ctrl_val |= (VIP_RAW | VIP_SENSOR | VIP_DATA_LITTLEEND);
+ pcdev->frame_inval = RK29_CAM_FRAME_INVAL_DC;
+ break;
+ default: /* ddl@rock-chips.com : vip output format is hold when pixfmt is invalidate */
+ vip_ctrl_val |= (read_vip_reg(RK29_VIP_CTRL) & VIPREGYUV422);
+ break;
+ }
+
+ switch (cam_pixfmt)
+ {
+ case V4L2_PIX_FMT_UYVY:
+ vip_ctrl_val |= SENSOR_UYVY;
+ break;
+ case V4L2_PIX_FMT_YUYV:
+ vip_ctrl_val |= SENSOR_YUYV;
+ break;
+ default :
+ vip_ctrl_val |= (read_vip_reg(RK29_VIP_CTRL) & SENSOR_YUYV);
+ break;
+ }
+
+ write_vip_reg(RK29_VIP_CTRL, vip_ctrl_val); /* ddl@rock-chips.com: VIP capture mode and capture format must be set before FS register set */
+
+ read_vip_reg(RK29_VIP_INT_STS); /* clear vip interrupte single */
+
+ if (vip_ctrl_val & ONEFRAME) {
+ vip_crop = ((rect->left<<16) + rect->top);
+ vip_fs = (((rect->width + rect->left)<<16) + (rect->height+rect->top));
+ } else if (vip_ctrl_val & PING_PONG) {
+ if (rect->left ||rect->top ) {
+ RK29CAMERA_DG("\n %s..PingPang not support Crop \n",__FUNCTION__);
+ BUG();
+ }
+ vip_crop = 0;
+ vip_fs = (((rect->width + rect->left)<<16) + (rect->height+rect->top));
+ }
+
+ write_vip_reg(RK29_VIP_CROP, vip_crop);
+ write_vip_reg(RK29_VIP_FS, vip_fs);
+
+ write_vip_reg(RK29_VIP_FB_SR, 0x00000003);
+
+ RK29CAMERA_DG("\n%s.. crop:0x%x fs:0x%x ctrl:0x%x CtrlReg:0x%x\n",__FUNCTION__,vip_crop,vip_fs,vip_ctrl_val,read_vip_reg(RK29_VIP_CTRL));
+ return;
+}
+
+static int rk29_camera_get_formats(struct soc_camera_device *icd, int idx,
+ struct soc_camera_format_xlate *xlate)
+{
+ struct device *dev = icd->dev.parent;
+ int formats = 0, buswidth, ret;
+
+ buswidth = 8;
+
+ ret = rk29_camera_try_bus_param(icd, buswidth);
+ if (ret < 0)
+ return 0;
+
+ switch (icd->formats[idx].fourcc) {
+ case V4L2_PIX_FMT_UYVY:
+ case V4L2_PIX_FMT_YUYV:
+ formats++;
+ if (xlate) {
+ xlate->host_fmt = &rk29_camera_formats[0];
+ xlate->cam_fmt = icd->formats + idx;
+ xlate->buswidth = buswidth;
+ xlate++;
+ dev_dbg(dev, "Providing format %s using %s\n",
+ rk29_camera_formats[0].name,
+ icd->formats[idx].name);
+ }
+
+ formats++;
+ if (xlate) {
+ xlate->host_fmt = &rk29_camera_formats[1];
+ xlate->cam_fmt = icd->formats + idx;
+ xlate->buswidth = buswidth;
+ xlate++;
+ dev_dbg(dev, "Providing format %s using %s\n",
+ rk29_camera_formats[1].name,
+ icd->formats[idx].name);
+ }
+ break;
+ case V4L2_PIX_FMT_SGRBG10:
+ formats++;
+ if (xlate) {
+ xlate->host_fmt = &rk29_camera_formats[2];
+ xlate->cam_fmt = icd->formats + idx;
+ xlate->buswidth = 10;
+ xlate++;
+ dev_dbg(dev, "Providing format %s using %s\n",
+ rk29_camera_formats[2].name,
+ icd->formats[idx].name);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return formats;
+}
+
+static void rk29_camera_put_formats(struct soc_camera_device *icd)
+{
+ return;
+}
+
+static int rk29_camera_set_crop(struct soc_camera_device *icd,
+ struct v4l2_crop *a)
+{
+ struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
+ struct v4l2_format f;
+ struct v4l2_pix_format *pix = &f.fmt.pix;
+ int ret;
+
+ f.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
+ ret = v4l2_subdev_call(sd, video, g_fmt, &f);
+ if (ret < 0)
+ return ret;
+
+ if ((pix->width < (a->c.left + a->c.width)) || (pix->height < (a->c.top + a->c.height))) {
+
+ pix->width = a->c.left + a->c.width;
+ pix->height = a->c.top + a->c.height;
+
+ v4l_bound_align_image(&pix->width, RK29_CAM_W_MIN, RK29_CAM_W_MAX, 1,
+ &pix->height, RK29_CAM_H_MIN, RK29_CAM_H_MAX, 0,
+ icd->current_fmt->fourcc == V4L2_PIX_FMT_YUV422P ?4 : 0);
+
+ ret = v4l2_subdev_call(sd, video, s_fmt, &f);
+ if (ret < 0)
+ return ret;
+ }
+
+ rk29_camera_setup_format(icd, icd->current_fmt->fourcc, pix->pixelformat, &a->c);
+
+ icd->user_width = pix->width;
+ icd->user_height = pix->height;
+
+ return 0;
+}
+
+static int rk29_camera_set_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct device *dev = icd->dev.parent;
+ struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
+ const struct soc_camera_data_format *cam_fmt = NULL;
+ const struct soc_camera_format_xlate *xlate = NULL;
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ struct v4l2_format cam_f = *f;
+ struct v4l2_rect rect;
+ int ret;
+
+ RK29CAMERA_DG("\n%s..%d.. \n",__FUNCTION__,__LINE__);
+
+ xlate = soc_camera_xlate_by_fourcc(icd, pix->pixelformat);
+ if (!xlate) {
+ dev_err(dev, "Format %x not found\n", pix->pixelformat);
+ ret = -EINVAL;
+ goto RK29_CAMERA_SET_FMT_END;
+ }
+
+ cam_fmt = xlate->cam_fmt;
+
+ cam_f.fmt.pix.pixelformat = cam_fmt->fourcc;
+ ret = v4l2_subdev_call(sd, video, s_fmt, &cam_f);
+ cam_f.fmt.pix.pixelformat = pix->pixelformat;
+ *pix = cam_f.fmt.pix;
+
+ icd->sense = NULL;
+
+ if (!ret) {
+ rect.left = 0;
+ rect.top = 0;
+ rect.width = pix->width;
+ rect.height = pix->height;
+
+ RK29CAMERA_DG("\n%s..%s..%s \n",__FUNCTION__,xlate->host_fmt->name, cam_fmt->name);
+ rk29_camera_setup_format(icd, pix->pixelformat, cam_fmt->fourcc, &rect);
+
+ icd->buswidth = xlate->buswidth;
+ icd->current_fmt = xlate->host_fmt;
+ }
+
+RK29_CAMERA_SET_FMT_END:
+ if (ret)
+ RK29CAMERA_TR("\n%s..%d.. ret = %d \n",__FUNCTION__,__LINE__, ret);
+ return ret;
+}
+
+static int rk29_camera_try_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
+ const struct soc_camera_format_xlate *xlate;
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ __u32 pixfmt = pix->pixelformat;
+ enum v4l2_field field;
+ int ret;
+
+ RK29CAMERA_DG("\n%s..%d.. \n",__FUNCTION__,__LINE__);
+
+ xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
+ if (!xlate) {
+ dev_err(ici->v4l2_dev.dev, "Format %x not found\n", pixfmt);
+ ret = -EINVAL;
+ goto RK29_CAMERA_TRY_FMT_END;
+ }
+ /* limit to rk29 hardware capabilities */
+ v4l_bound_align_image(&pix->width, RK29_CAM_W_MIN, RK29_CAM_W_MAX, 1,
+ &pix->height, RK29_CAM_H_MIN, RK29_CAM_H_MAX, 0,
+ pixfmt == V4L2_PIX_FMT_YUV422P ? 4 : 0);
+
+ pix->bytesperline = pix->width * DIV_ROUND_UP(xlate->host_fmt->depth, 8);
+ pix->sizeimage = pix->height * pix->bytesperline;
+
+ /* camera has to see its format, but the user the original one */
+ pix->pixelformat = xlate->cam_fmt->fourcc;
+ /* limit to sensor capabilities */
+ ret = v4l2_subdev_call(sd, video, try_fmt, f);
+ pix->pixelformat = pixfmt;
+
+ field = pix->field;
+
+ if (field == V4L2_FIELD_ANY) {
+ pix->field = V4L2_FIELD_NONE;
+ } else if (field != V4L2_FIELD_NONE) {
+ dev_err(icd->dev.parent, "Field type %d unsupported.\n", field);
+ ret = -EINVAL;
+ goto RK29_CAMERA_TRY_FMT_END;
+ }
+
+RK29_CAMERA_TRY_FMT_END:
+ if (ret)
+ RK29CAMERA_TR("\n%s..%d.. ret = %d \n",__FUNCTION__,__LINE__, ret);
+ return ret;
+}
+
+static int rk29_camera_reqbufs(struct soc_camera_file *icf,
+ struct v4l2_requestbuffers *p)
+{
+ int i;
+
+ /* This is for locking debugging only. I removed spinlocks and now I
+ * check whether .prepare is ever called on a linked buffer, or whether
+ * a dma IRQ can occur for an in-work or unlinked buffer. Until now
+ * it hadn't triggered */
+ for (i = 0; i < p->count; i++) {
+ struct rk29_buffer *buf = container_of(icf->vb_vidq.bufs[i],
+ struct rk29_buffer, vb);
+ buf->inwork = 0;
+ INIT_LIST_HEAD(&buf->vb.queue);
+ }
+
+ return 0;
+}
+
+static unsigned int rk29_camera_poll(struct file *file, poll_table *pt)
+{
+ struct soc_camera_file *icf = file->private_data;
+ struct rk29_buffer *buf;
+
+ buf = list_entry(icf->vb_vidq.stream.next, struct rk29_buffer,
+ vb.stream);
+
+ poll_wait(file, &buf->vb.done, pt);
+
+ if (buf->vb.state == VIDEOBUF_DONE ||
+ buf->vb.state == VIDEOBUF_ERROR)
+ return POLLIN|POLLRDNORM;
+
+ return 0;
+}
+
+static int rk29_camera_querycap(struct soc_camera_host *ici,
+ struct v4l2_capability *cap)
+{
+ /* cap->name is set by the firendly caller:-> */
+ strlcpy(cap->card, rk29_cam_driver_description, sizeof(cap->card));
+ cap->version = RK29_CAM_VERSION_CODE;
+ cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
+
+ return 0;
+}
+
+static int rk29_camera_suspend(struct soc_camera_device *icd, pm_message_t state)
+{
+ struct soc_camera_host *ici =
+ to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ int ret = 0,tmp;
+
+ if ((pcdev->icd == icd) && (icd->ops->suspend)) {
+ rk29_camera_s_stream(icd, 0);
+ ret = icd->ops->suspend(icd, state);
+
+ pcdev->reginfo_suspend.VipCtrl = read_vip_reg(RK29_VIP_CTRL);
+ pcdev->reginfo_suspend.VipCrop = read_vip_reg(RK29_VIP_CROP);
+ pcdev->reginfo_suspend.VipFs = read_vip_reg(RK29_VIP_FS);
+ pcdev->reginfo_suspend.VipIntMsk = read_vip_reg(RK29_VIP_INT_MASK);
+ pcdev->reginfo_suspend.VipCrm = read_vip_reg(RK29_VIP_CRM);
+
+ tmp = pcdev->reginfo_suspend.VipFs>>16; /* ddl@rock-chips.com */
+ tmp += pcdev->reginfo_suspend.VipCrop>>16;
+ pcdev->reginfo_suspend.VipFs = (pcdev->reginfo_suspend.VipFs & 0xffff) | (tmp<<16);
+
+ pcdev->reginfo_suspend.Inval = Reg_Validate;
+ rk29_camera_deactivate(pcdev);
+
+ RK29CAMERA_DG("%s Enter Success...\n", __FUNCTION__);
+ } else {
+ RK29CAMERA_DG("%s icd has been deattach, don't need enter suspend\n", __FUNCTION__);
+ }
+
+ return ret;
+}
+
+static int rk29_camera_resume(struct soc_camera_device *icd)
+{
+ struct soc_camera_host *ici =
+ to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ int ret = 0;
+
+ if ((pcdev->icd == icd) && (icd->ops->resume)) {
+ if (pcdev->reginfo_suspend.Inval == Reg_Validate) {
+ rk29_camera_activate(pcdev, icd);
+ write_vip_reg(RK29_VIP_INT_MASK, pcdev->reginfo_suspend.VipIntMsk);
+ write_vip_reg(RK29_VIP_CRM, pcdev->reginfo_suspend.VipCrm);
+ write_vip_reg(RK29_VIP_CTRL, pcdev->reginfo_suspend.VipCtrl&~ENABLE_CAPTURE);
+ write_vip_reg(RK29_VIP_CROP, pcdev->reginfo_suspend.VipCrop);
+ write_vip_reg(RK29_VIP_FS, pcdev->reginfo_suspend.VipFs);
+
+ rk29_videobuf_capture(pcdev->active);
+ rk29_camera_s_stream(icd, 1);
+ }
+ ret = icd->ops->resume(icd);
+
+ RK29CAMERA_DG("%s Enter success\n",__FUNCTION__);
+ } else {
+ RK29CAMERA_DG("%s icd has been deattach, don't need enter resume\n", __FUNCTION__);
+ }
+
+ return ret;
+}
+
+static int rk29_camera_s_stream(struct soc_camera_device *icd, int enable)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ int vip_ctrl_val;
+
+ WARN_ON(pcdev->icd != icd);
+
+ vip_ctrl_val = read_vip_reg(RK29_VIP_CTRL);
+ if (enable) {
+ vip_ctrl_val |= ENABLE_CAPTURE;
+ } else {
+ vip_ctrl_val &= ~ENABLE_CAPTURE;
+ }
+ write_vip_reg(RK29_VIP_CTRL, vip_ctrl_val);
+
+ RK29CAMERA_DG("%s.. enable : %d\n", __FUNCTION__, enable);
+ return 0;
+}
+
+static struct soc_camera_host_ops rk29_soc_camera_host_ops =
+{
+ .owner = THIS_MODULE,
+ .add = rk29_camera_add_device,
+ .remove = rk29_camera_remove_device,
+ .suspend = rk29_camera_suspend,
+ .resume = rk29_camera_resume,
+ .set_crop = rk29_camera_set_crop,
+ .get_formats = rk29_camera_get_formats,
+ .put_formats = rk29_camera_put_formats,
+ .set_fmt = rk29_camera_set_fmt,
+ .try_fmt = rk29_camera_try_fmt,
+ .init_videobuf = rk29_camera_init_videobuf,
+ .reqbufs = rk29_camera_reqbufs,
+ .poll = rk29_camera_poll,
+ .querycap = rk29_camera_querycap,
+ .set_bus_param = rk29_camera_set_bus_param,
+ .s_stream = rk29_camera_s_stream /* ddl@rock-chips.com : Add stream control for host */
+};
+static int rk29_camera_probe(struct platform_device *pdev)
+{
+ struct rk29_camera_dev *pcdev;
+ struct resource *res;
+ int irq;
+ int err = 0;
+
+ RK29CAMERA_DG("\n%s..%s..%d \n",__FUNCTION__,__FILE__,__LINE__);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ irq = platform_get_irq(pdev, 0);
+ if (!res || irq < 0) {
+ err = -ENODEV;
+ goto exit;
+ }
+
+ pcdev = kzalloc(sizeof(*pcdev), GFP_KERNEL);
+ if (!pcdev) {
+ dev_err(&pdev->dev, "Could not allocate pcdev\n");
+ err = -ENOMEM;
+ goto exit_alloc;
+ }
+ rk29_camdev_info_ptr = pcdev;
+
+ /*config output clk*/
+ pcdev->clk = clk_get(&pdev->dev, "vip");
+ if (!pcdev->clk || IS_ERR(pcdev->clk)) {
+ RK29CAMERA_TR(KERN_ERR "failed to get vip_clk source\n");
+ err = -ENOENT;
+ goto exit_eclkget;
+ }
+
+ dev_set_drvdata(&pdev->dev, pcdev);
+ pcdev->res = res;
+
+ pcdev->pdata = pdev->dev.platform_data; /* ddl@rock-chips.com : Request IO in init function */
+ if (pcdev->pdata && pcdev->pdata->io_init) {
+ pcdev->pdata->io_init();
+ }
+
+ INIT_LIST_HEAD(&pcdev->capture);
+ spin_lock_init(&pcdev->lock);
+
+ /*
+ * Request the regions.
+ */
+ if (!request_mem_region(res->start, res->end - res->start + 1,
+ RK29_CAM_DRV_NAME)) {
+ err = -EBUSY;
+ goto exit_reqmem;
+ }
+
+ pcdev->base = ioremap(res->start, res->end - res->start + 1);
+ if (pcdev->base == NULL) {
+ dev_err(pcdev->dev, "ioremap() of registers failed\n");
+ err = -ENXIO;
+ goto exit_ioremap;
+ }
+
+ pcdev->irq = irq;
+ pcdev->dev = &pdev->dev;
+
+ /* config buffer address */
+ /* request irq */
+ err = request_irq(pcdev->irq, rk29_camera_irq, 0, RK29_CAM_DRV_NAME,
+ pcdev);
+ if (err) {
+ dev_err(pcdev->dev, "Camera interrupt register failed \n");
+ goto exit_reqirq;
+ }
+
+ pcdev->soc_host.drv_name = RK29_CAM_DRV_NAME;
+ pcdev->soc_host.ops = &rk29_soc_camera_host_ops;
+ pcdev->soc_host.priv = pcdev;
+ pcdev->soc_host.v4l2_dev.dev = &pdev->dev;
+ pcdev->soc_host.nr = pdev->id;
+
+ err = soc_camera_host_register(&pcdev->soc_host);
+ if (err)
+ goto exit_free_irq;
+
+ RK29CAMERA_DG("\n%s..%s..%d \n",__FUNCTION__,__FILE__,__LINE__);
+ return 0;
+
+exit_free_irq:
+ free_irq(pcdev->irq, pcdev);
+exit_reqirq:
+ iounmap(pcdev->base);
+exit_ioremap:
+ release_mem_region(res->start, res->end - res->start + 1);
+exit_reqmem:
+ clk_put(pcdev->clk);
+exit_eclkget:
+ kfree(pcdev);
+exit_alloc:
+ rk29_camdev_info_ptr = NULL;
+exit:
+ return err;
+}
+
+static int __devexit rk29_camera_remove(struct platform_device *pdev)
+{
+ struct rk29_camera_dev *pcdev = platform_get_drvdata(pdev);
+ struct resource *res;
+
+ free_irq(pcdev->irq, pcdev);
+
+ soc_camera_host_unregister(&pcdev->soc_host);
+
+ res = pcdev->res;
+ release_mem_region(res->start, res->end - res->start + 1);
+
+ if (pcdev->pdata && pcdev->pdata->io_deinit) { /* ddl@rock-chips.com : Free IO in deinit function */
+ pcdev->pdata->io_deinit();
+ }
+
+ kfree(pcdev);
+ rk29_camdev_info_ptr = NULL;
+ dev_info(&pdev->dev, "RK28 Camera driver unloaded\n");
+
+ return 0;
+}
+
+static struct platform_driver rk29_camera_driver =
+{
+ .driver = {
+ .name = RK29_CAM_DRV_NAME,
+ },
+ .probe = rk29_camera_probe,
+ .remove = __devexit_p(rk29_camera_remove),
+};
+
+
+static int __devinit rk29_camera_init(void)
+{
+ RK29CAMERA_DG("\n%s..%s..%d \n",__FUNCTION__,__FILE__,__LINE__);
+ return platform_driver_register(&rk29_camera_driver);
+}
+
+static void __exit rk29_camera_exit(void)
+{
+ platform_driver_unregister(&rk29_camera_driver);
+}
+
+device_initcall_sync(rk29_camera_init);
+module_exit(rk29_camera_exit);
+
+MODULE_DESCRIPTION("RK29 Soc Camera Host driver");
+MODULE_AUTHOR("ddl <ddl@rock-chips>");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * V4L2 Driver for RK28 camera host
+ *
+ * Copyright (C) 2006, Sascha Hauer, Pengutronix
+ * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/moduleparam.h>
+#include <linux/time.h>
+#include <linux/clk.h>
+#include <linux/version.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/videodev2.h>
+
+#include <mach/rk29_camera.h>
+#include <mach/rk29_iomap.h>
+#include <mach/iomux.h>
+
+#include <media/v4l2-common.h>
+#include <media/v4l2-dev.h>
+#include <media/videobuf-dma-contig.h>
+#include <media/soc_camera.h>
+
+// VIP Reg Offset
+#define RK29_VIP_AHBR_CTRL 0x00
+#define RK29_VIP_INT_MASK 0x04
+#define RK29_VIP_INT_STS 0x08
+#define RK29_VIP_STS 0x0c
+#define RK29_VIP_CTRL 0x10
+#define RK29_VIP_CAPTURE_F1SA_Y 0x14
+#define RK29_VIP_CAPTURE_F1SA_UV 0x18
+#define RK29_VIP_CAPTURE_F1SA_Cr 0x1c
+#define RK29_VIP_CAPTURE_F2SA_Y 0x20
+#define RK29_VIP_CAPTURE_F2SA_UV 0x24
+#define RK29_VIP_CAPTURE_F2SA_Cr 0x28
+#define RK29_VIP_FB_SR 0x2c
+#define RK29_VIP_FS 0x30
+#define RK29_VIP_VIPRESERVED 0x34
+#define RK29_VIP_CROP 0x38
+#define RK29_VIP_CRM 0x3c
+#define RK29_VIP_RESET 0x40
+#define RK29_VIP_L_SFT 0x44
+
+//The key register bit descrition
+// VIP_CTRL Reg
+#define DISABLE_CAPTURE (0x00<<0)
+#define ENABLE_CAPTURE (0x01<<0)
+#define HSY_HIGH_ACTIVE (0x00<<1)
+#define HSY_LOW_ACTIVE (0x01<<1)
+#define VIP_CCIR656 (0x00<<2)
+#define VIP_SENSOR (0x01<<2)
+#define SENSOR_UYVY (0x00<<3)
+#define SENSOR_YUYV (0x01<<3)
+#define VIP_YUV (0x00<<4)
+#define VIP_RAW (0x01<<4)
+#define CON_OR_PIN (0x00<<5)
+#define ONEFRAME (0x01<<5)
+#define VIPREGYUV420 (0x00<<6)
+#define VIPREGYUV422 (0x01<<6)
+#define FIELD0_START (0x00<<7)
+#define FIELD1_START (0x01<<7)
+#define CONTINUOUS (0x00<<8)
+#define PING_PONG (0x01<<8)
+#define POSITIVE_EDGE (0x00<<9)
+#define NEGATIVE_EDGE (0x01<<9)
+#define VIPREGNTSC (0x00<<10)
+#define VIPREGPAL (0x01<<10)
+#define VIP_DATA_LITTLEEND (0x00<<11)
+#define VIP_DATA_BIGEND (0x01<<11)
+#define VSY_LOW_ACTIVE (0x00<<12)
+#define VSY_HIGH_ACTIVE (0x01<<12)
+#define VIP_RAWINPUT_BYPASS (0x00<<13)
+#define VIP_RAWINPUT_POSITIVE_EDGE (0x01<<13)
+#define VIP_RAWINPUT_NEGATIVE_EDGE (0x02<<13)
+
+//VIP_FB_SR
+#define VIP_F1_NOREADY (0x00<<0)
+#define VIP_F1_READY (0x01<<0)
+#define VIP_F2_NOREADY (0x00<<1)
+#define VIP_F2_READY (0x01<<1)
+#define VIP_FRAME_NOLOSS (0x00<<2)
+#define VIP_FRAME_LOSS (0x01<<2)
+#define VIP_F1_IS_LATEST (0x00<<3)
+#define VIP_F2_IS_LATEST (0x01<<3)
+
+// GRF_SOC_CON0 Reg
+#define GRF_SOC_CON0_Reg 0xbc
+#define VIP_AXIMASTER (0x00<<0)
+#define VIP_AHBMASTER (0x01<<2)
+
+// GRF_OS_REG0
+#define GRF_OS_REG0 0xd0
+#define VIP_ACLK_DIV_HCLK_1 (0x00<<0)
+#define VIP_ACLK_DIV_HCLK_2 (0x01<<0)
+
+
+#define MIN(x,y) ((x<y) ? x: y)
+#define MAX(x,y) ((x>y) ? x: y)
+#define RK29_SENSOR_24MHZ 24 /* MHz */
+#define RK29_SENSOR_48MHZ 48
+
+#define write_vip_reg(addr, val) __raw_writel(val, addr+(rk29_camdev_info_ptr->base))
+#define read_vip_reg(addr) __raw_readl(addr+(rk29_camdev_info_ptr->base))
+#define mask_vip_reg(addr, msk, val) write_vip_reg(addr, (val)|((~(msk))&read_vip_reg(addr)))
+
+#define write_grf_reg(addr, val) __raw_writel(val, addr+RK29_GRF_BASE)
+#define read_grf_reg(addr) __raw_readl(addr+RK29_GRF_BASE)
+#define mask_grf_reg(addr, msk, val) write_vip_reg(addr, (val)|((~(msk))&read_vip_reg(addr)))
+
+//Configure Macro
+#define CONFIG_RK29CAMERA_TR 1
+#define CONFIG_RK29CAMERA_DEBUG 1
+#if (CONFIG_RK29CAMERA_TR)
+ #define RK29CAMERA_TR(format, ...) printk(format, ## __VA_ARGS__)
+ #if (CONFIG_RK29CAMERA_DEBUG)
+ #define RK29CAMERA_DG(format, ...) printk(format, ## __VA_ARGS__)
+ #else
+ #define RK29CAMERA_DG(format, ...)
+ #endif
+#else
+ #define RK29CAMERA_TR(format, ...)
+ #define RK29CAMERA_DG(format, ...)
+#endif
+
+#define RK29_CAM_VERSION_CODE KERNEL_VERSION(0, 0, 1)
+
+/* limit to rk29 hardware capabilities */
+#define RK29_CAM_BUS_PARAM (SOCAM_MASTER |\
+ SOCAM_HSYNC_ACTIVE_HIGH |\
+ SOCAM_HSYNC_ACTIVE_LOW |\
+ SOCAM_VSYNC_ACTIVE_HIGH |\
+ SOCAM_VSYNC_ACTIVE_LOW |\
+ SOCAM_PCLK_SAMPLE_RISING |\
+ SOCAM_PCLK_SAMPLE_FALLING|\
+ SOCAM_DATA_ACTIVE_HIGH |\
+ SOCAM_DATA_ACTIVE_LOW|\
+ SOCAM_DATAWIDTH_8|SOCAM_DATAWIDTH_10|\
+ SOCAM_MCLK_24MHZ |SOCAM_MCLK_48MHZ)
+
+#define RK29_CAM_W_MIN 48
+#define RK29_CAM_H_MIN 32
+#define RK29_CAM_W_MAX 3856 /* ddl@rock-chips.com : 10M Pixel */
+#define RK29_CAM_H_MAX 2764
+#define RK29_CAM_FRAME_INVAL_INIT 3
+#define RK29_CAM_FRAME_INVAL_DC 1 /* ddl@rock-chips.com : */
+
+// Variable and Function Declare
+extern void videobuf_dma_contig_free(struct videobuf_queue *q, struct videobuf_buffer *buf);
+extern dma_addr_t videobuf_to_dma_contig(struct videobuf_buffer *buf);
+extern void videobuf_queue_dma_contig_init(struct videobuf_queue *q,
+ struct videobuf_queue_ops *ops,
+ struct device *dev,
+ spinlock_t *irqlock,
+ enum v4l2_buf_type type,
+ enum v4l2_field field,
+ unsigned int msize,
+ void *priv);
+
+/* buffer for one video frame */
+struct rk29_buffer
+{
+ /* common v4l buffer stuff -- must be first */
+ struct videobuf_buffer vb;
+ const struct soc_camera_data_format *fmt;
+ int inwork;
+};
+enum rk29_camera_reg_state
+{
+ Reg_Invalidate,
+ Reg_Validate
+};
+
+struct rk29_camera_reg
+{
+ unsigned int VipCtrl;
+ unsigned int VipCrop;
+ unsigned int VipFs;
+ unsigned int VipIntMsk;
+ unsigned int VipCrm;
+ enum rk29_camera_reg_state Inval;
+};
+struct rk29_camera_dev
+{
+ struct soc_camera_host soc_host;
+ struct device *dev;
+ /* RK2827x is only supposed to handle one camera on its Quick Capture
+ * interface. If anyone ever builds hardware to enable more than
+ * one camera, they will have to modify this driver too */
+ struct soc_camera_device *icd;
+ struct clk *clk;
+ void __iomem *base;
+ int frame_inval; /* ddl@rock-chips.com : The first frames is invalidate */
+ unsigned int irq;
+
+ struct rk29camera_platform_data *pdata;
+ struct resource *res;
+
+ struct list_head capture;
+
+ spinlock_t lock;
+
+ struct videobuf_buffer *active1;
+ struct videobuf_buffer *active2;
+ struct videobuf_queue *vb_vidq_ptr;
+ struct rk29_camera_reg reginfo_suspend;
+
+ struct hrtimer frame_timer;
+};
+static DEFINE_MUTEX(camera_lock);
+static const char *rk29_cam_driver_description = "RK29_Camera";
+static struct rk29_camera_dev *rk29_camdev_info_ptr;
+static int rk29_first;
+
+static int rk29_camera_s_stream(struct soc_camera_device *icd, int enable);
+
+
+/*
+ * Videobuf operations
+ */
+static int rk29_videobuf_setup(struct videobuf_queue *vq, unsigned int *count,
+ unsigned int *size)
+{
+ struct soc_camera_device *icd = vq->priv_data;
+ int bytes_per_pixel = (icd->current_fmt->depth + 7) >> 3;
+
+ dev_dbg(&icd->dev, "count=%d, size=%d\n", *count, *size);
+
+ /* planar capture requires Y, U and V buffers to be page aligned */
+ *size = PAGE_ALIGN( icd->user_width * icd->user_height * bytes_per_pixel); /* Y pages UV pages, yuv422*/
+
+ RK29CAMERA_DG("\n%s..%d.. size = %d\n",__FUNCTION__,__LINE__, *size);
+
+ return 0;
+}
+static void rk29_videobuf_free(struct videobuf_queue *vq, struct rk29_buffer *buf)
+{
+ struct soc_camera_device *icd = vq->priv_data;
+
+ dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
+ &buf->vb, buf->vb.baddr, buf->vb.bsize);
+
+ /* ddl@rock-chips.com: buf_release called soc_camera_streamoff and soc_camera_close*/
+ if (buf->vb.state == VIDEOBUF_NEEDS_INIT)
+ return;
+
+ if (in_interrupt())
+ BUG();
+
+ videobuf_dma_contig_free(vq, &buf->vb);
+ dev_dbg(&icd->dev, "%s freed\n", __func__);
+ buf->vb.state = VIDEOBUF_NEEDS_INIT;
+ return;
+}
+static int rk29_videobuf_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, enum v4l2_field field)
+{
+ struct soc_camera_device *icd = vq->priv_data;
+ struct rk29_buffer *buf;
+ int ret;
+
+ buf = container_of(vb, struct rk29_buffer, vb);
+
+ dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
+ vb, vb->baddr, vb->bsize);
+
+ //RK29CAMERA_TR("\n%s..%d.. \n",__FUNCTION__,__LINE__);
+
+ /* Added list head initialization on alloc */
+ WARN_ON(!list_empty(&vb->queue));
+
+ /* This can be useful if you want to see if we actually fill
+ * the buffer with something */
+ //memset((void *)vb->baddr, 0xaa, vb->bsize);
+
+ BUG_ON(NULL == icd->current_fmt);
+
+ if (buf->fmt != icd->current_fmt ||
+ vb->width != icd->user_width ||
+ vb->height != icd->user_height ||
+ vb->field != field) {
+ buf->fmt = icd->current_fmt;
+ vb->width = icd->user_width;
+ vb->height = icd->user_height;
+ vb->field = field;
+ vb->state = VIDEOBUF_NEEDS_INIT;
+ }
+
+ vb->size = vb->width * vb->height * ((buf->fmt->depth + 7) >> 3) ; /* ddl@rock-chips.com : fmt->depth is coorect */
+ if (0 != vb->baddr && vb->bsize < vb->size) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (vb->state == VIDEOBUF_NEEDS_INIT) {
+ ret = videobuf_iolock(vq, vb, NULL);
+ if (ret) {
+ goto fail;
+ }
+ vb->state = VIDEOBUF_PREPARED;
+ }
+ return 0;
+fail:
+ rk29_videobuf_free(vq, buf);
+out:
+ return ret;
+}
+
+static inline void rk29_videobuf_capture(struct videobuf_buffer *vb)
+{
+ unsigned int size;
+ int fb_sr;
+ struct rk29_camera_dev *pcdev = rk29_camdev_info_ptr;
+
+ if (vb) {
+ size = vb->width * vb->height; /* Y pages UV pages, yuv422*/
+ fb_sr = read_vip_reg(RK29_VIP_FB_SR);
+ if (fb_sr & VIP_F1_READY) {
+ write_vip_reg(RK29_VIP_CAPTURE_F1SA_Y, vb->boff);
+ write_vip_reg(RK29_VIP_CAPTURE_F1SA_UV, vb->boff + size);
+ write_vip_reg(RK29_VIP_FB_SR, read_vip_reg(RK29_VIP_FB_SR)&(~VIP_F1_READY));
+ pcdev->active1 = vb;
+ RK29CAMERA_DG("f1 Start.. vb->boff:0x%x f2 vb->boff:0x%x FB_SR:0x%x, active1:0x%x, active2:0x%x\n",(unsigned int)vb->boff,read_vip_reg(RK29_VIP_CAPTURE_F2SA_Y), read_vip_reg(RK29_VIP_FB_SR)&0x03,
+ (unsigned int)pcdev->active1,(unsigned int)pcdev->active2);
+ } else if (fb_sr & VIP_F2_READY) {
+ write_vip_reg(RK29_VIP_CAPTURE_F2SA_Y, vb->boff);
+ write_vip_reg(RK29_VIP_CAPTURE_F2SA_UV, vb->boff + size);
+ write_vip_reg(RK29_VIP_FB_SR, read_vip_reg(RK29_VIP_FB_SR)&(~VIP_F2_READY));
+ pcdev->active2 = vb;
+ RK29CAMERA_DG("f2 Start..vb->boff:0x%x f1 vb->boff:0x%x FB_SR:0x%x, active1:0x%x, active2:0x%x\n",(unsigned int)vb->boff,read_vip_reg(RK29_VIP_CAPTURE_F1SA_Y), read_vip_reg(RK29_VIP_FB_SR)&0x03,
+ (unsigned int)pcdev->active1,(unsigned int)pcdev->active2);
+ }
+ }
+}
+/* Locking: Caller holds q->irqlock */
+static void rk29_videobuf_queue(struct videobuf_queue *vq,
+ struct videobuf_buffer *vb)
+{
+ struct soc_camera_device *icd = vq->priv_data;
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ unsigned int size;
+
+ dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
+ vb, vb->baddr, vb->bsize);
+
+ vb->state = VIDEOBUF_QUEUED;
+
+ if (!list_empty(&pcdev->capture)) {
+ list_add_tail(&vb->queue, &pcdev->capture);
+ } else {
+ if (list_entry(pcdev->capture.next, struct videobuf_buffer, queue) != vb)
+ list_add_tail(&vb->queue, &pcdev->capture);
+ else
+ BUG(); /* ddl@rock-chips.com : The same videobuffer queue again */
+ }
+
+ if (!pcdev->active1) {
+ rk29_videobuf_capture(vb);
+ }
+}
+static irqreturn_t rk29_camera_irq(int irq, void *data)
+{
+ struct rk29_camera_dev *pcdev = data;
+ struct videobuf_buffer *vb=NULL,**nxt_active,**active;
+ struct list_head *next_head;
+ int fb_sr,vip_ctrl;
+
+ read_vip_reg(RK29_VIP_INT_STS); /* clear vip interrupte single */
+
+ /* ddl@rock-chps.com : Current VIP is run in One Frame Mode, Frame 1 is validate */
+ fb_sr = read_vip_reg(RK29_VIP_FB_SR);
+ vip_ctrl = read_vip_reg(RK29_VIP_CTRL);
+ if (fb_sr & (VIP_F1_READY|VIP_F2_READY)) {
+ #if 0
+ if (pcdev->frame_inval>0) {
+ if (((fb_sr & (VIP_F1_READY|VIP_F2_READY)) == (VIP_F1_READY|VIP_F2_READY)) && (vip_ctrl & PING_PONG)){
+ write_vip_reg(RK29_VIP_FB_SR, read_vip_reg(RK29_VIP_FB_SR)&(~(VIP_F1_READY|VIP_F2_READY)));
+ pcdev->frame_inval -= 2;
+ } else if (fb_sr & VIP_F1_READY) {
+ write_vip_reg(RK29_VIP_FB_SR, read_vip_reg(RK29_VIP_FB_SR)&(~VIP_F1_READY));
+ pcdev->frame_inval--;
+ } else if ((fb_sr & VIP_F2_READY) && (vip_ctrl & PING_PONG)) {
+ write_vip_reg(RK29_VIP_FB_SR, read_vip_reg(RK29_VIP_FB_SR)&(~VIP_F2_READY));
+ pcdev->frame_inval--;
+ }
+
+ if (pcdev->frame_inval>=0)
+ goto RK29_CAMERA_IRQ_END;
+ } else if (pcdev->frame_inval) {
+ RK29CAMERA_TR("frame_inval : %0x",pcdev->frame_inval);
+ pcdev->frame_inval = 0;
+ }
+
+
+ if (((fb_sr & (VIP_F1_READY|VIP_F2_READY)) == (VIP_F1_READY|VIP_F2_READY)) && (vip_ctrl & PING_PONG)) {
+ if ((read_vip_reg(RK29_VIP_FB_SR)&VIP_F2_IS_LATEST) == VIP_F2_IS_LATEST) {
+ vb = pcdev->active2;
+ write_vip_reg(RK29_VIP_FB_SR, read_vip_reg(RK29_VIP_FB_SR)&(~VIP_F1_READY));
+ } else {
+ vb = pcdev->active1;
+ write_vip_reg(RK29_VIP_FB_SR, read_vip_reg(RK29_VIP_FB_SR)&(~VIP_F2_READY));
+ }
+ } else
+ #endif
+
+ if (fb_sr & VIP_F1_READY) {
+ vb = pcdev->active1;
+ if (rk29_first == 0) {
+ rk29_first = 1;
+ list_del_init(&vb->queue);
+ write_vip_reg(RK29_VIP_FB_SR, read_vip_reg(RK29_VIP_FB_SR)&(~VIP_F1_READY));
+ goto RK29_CAMERA_IRQ_END1;
+ }
+ } else if ((fb_sr & VIP_F2_READY) && (vip_ctrl & PING_PONG)) {
+ vb = pcdev->active2;
+ }
+
+ if (!vb) {
+ goto RK29_CAMERA_IRQ_END;
+ }
+
+ /* ddl@rock-chips.com : this vb may be deleted from queue */
+ if ((vb->state == VIDEOBUF_QUEUED) || (vb->state == VIDEOBUF_ACTIVE)) {
+ list_del_init(&vb->queue);
+
+ vb->state = VIDEOBUF_DONE;
+ do_gettimeofday(&vb->ts);
+ vb->field_count++;
+ }
+
+ wake_up(&vb->done);
+RK29_CAMERA_IRQ_END1:
+ hrtimer_start(&pcdev->frame_timer,
+ ktime_set(0, 10000),
+ HRTIMER_MODE_REL);
+ }
+
+RK29_CAMERA_IRQ_END:
+ return IRQ_HANDLED;
+}
+
+
+static enum hrtimer_restart rk29_camera_timer_func(struct hrtimer *timer)
+{
+ struct rk29_camera_dev *pcdev = container_of(timer, struct rk29_camera_dev, frame_timer);
+ struct videobuf_buffer *vb=NULL,**nxt_active;
+ int fb_sr;
+
+ fb_sr = read_vip_reg(RK29_VIP_FB_SR);
+ if (fb_sr & VIP_F1_READY) {
+ nxt_active = &pcdev->active1;
+ } else if (fb_sr & VIP_F2_READY) {
+ nxt_active = &pcdev->active2;
+ }
+
+ *nxt_active = NULL;
+ if (!list_empty(&pcdev->capture)) {
+ *nxt_active = list_entry(pcdev->capture.next, struct videobuf_buffer, queue);
+ if (*nxt_active) {
+ rk29_videobuf_capture(*nxt_active);
+ list_del_init(&(*nxt_active)->queue);
+ }
+ }
+
+ if (*nxt_active == NULL) {
+ RK29CAMERA_DG("%s video_buf queue is empty!\n",__FUNCTION__);
+ }
+
+ return HRTIMER_NORESTART;
+}
+
+static void rk29_videobuf_release(struct videobuf_queue *vq,
+ struct videobuf_buffer *vb)
+{
+ struct rk29_buffer *buf = container_of(vb, struct rk29_buffer, vb);
+ struct soc_camera_device *icd = vq->priv_data;
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+
+#ifdef DEBUG
+ dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
+ vb, vb->baddr, vb->bsize);
+
+ switch (vb->state)
+ {
+ case VIDEOBUF_ACTIVE:
+ dev_dbg(&icd->dev, "%s (active)\n", __func__);
+ break;
+ case VIDEOBUF_QUEUED:
+ dev_dbg(&icd->dev, "%s (queued)\n", __func__);
+ break;
+ case VIDEOBUF_PREPARED:
+ dev_dbg(&icd->dev, "%s (prepared)\n", __func__);
+ break;
+ default:
+ dev_dbg(&icd->dev, "%s (unknown)\n", __func__);
+ break;
+ }
+#endif
+ if ((vb == pcdev->active1) || (vb == pcdev->active2)) {
+ RK29CAMERA_DG("%s Wait for this video buf(0x%x) write finished!\n ",__FUNCTION__,(unsigned int)vb);
+ interruptible_sleep_on_timeout(&vb->done, 100);
+ RK29CAMERA_DG("%s This video buf(0x%x) write finished, release now!!\n",__FUNCTION__,(unsigned int)vb);
+ }
+ rk29_videobuf_free(vq, buf);
+}
+
+static struct videobuf_queue_ops rk29_videobuf_ops =
+{
+ .buf_setup = rk29_videobuf_setup,
+ .buf_prepare = rk29_videobuf_prepare,
+ .buf_queue = rk29_videobuf_queue,
+ .buf_release = rk29_videobuf_release,
+};
+
+static void rk29_camera_init_videobuf(struct videobuf_queue *q,
+ struct soc_camera_device *icd)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+
+ /* We must pass NULL as dev pointer, then all pci_* dma operations
+ * transform to normal dma_* ones. */
+ videobuf_queue_dma_contig_init(q,
+ &rk29_videobuf_ops,
+ ici->v4l2_dev.dev, &pcdev->lock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_NONE,
+ sizeof(struct rk29_buffer),
+ icd);
+ pcdev->vb_vidq_ptr = q; /* ddl@rock-chips.com */
+}
+static int rk29_camera_activate(struct rk29_camera_dev *pcdev, struct soc_camera_device *icd)
+{
+ unsigned long sensor_bus_flags = SOCAM_MCLK_24MHZ;
+ struct clk *parent;
+
+ RK29CAMERA_DG("\n%s..%d.. \n",__FUNCTION__,__LINE__);
+ if (!pcdev->clk || IS_ERR(pcdev->clk))
+ RK29CAMERA_TR(KERN_ERR "failed to get vip_clk source\n");
+
+ //if (icd->ops->query_bus_param) /* ddl@rock-chips.com : Query Sensor's xclk */
+ //sensor_bus_flags = icd->ops->query_bus_param(icd);
+
+ if (sensor_bus_flags & SOCAM_MCLK_48MHZ) {
+ parent = clk_get(NULL, "clk48m");
+ if (!parent || IS_ERR(parent))
+ goto RK29_CAMERA_ACTIVE_ERR;
+ } else if (sensor_bus_flags & SOCAM_MCLK_27MHZ) {
+ parent = clk_get(NULL, "extclk");
+ if (!parent || IS_ERR(parent))
+ goto RK29_CAMERA_ACTIVE_ERR;
+ } else {
+ parent = clk_get(NULL, "xin24m");
+ if (!parent || IS_ERR(parent))
+ goto RK29_CAMERA_ACTIVE_ERR;
+ }
+
+ clk_set_parent(pcdev->clk, parent);
+
+ clk_enable(pcdev->clk);
+ rk29_mux_api_set(GPIO1B4_VIPCLKOUT_NAME, GPIO1L_VIP_CLKOUT);
+ ndelay(10);
+
+ //write_grf_reg(GRF_SOC_CON0_Reg, read_grf_reg(GRF_SOC_CON0_Reg)|VIP_AHBMASTER); //VIP Config to AHB
+ write_grf_reg(GRF_SOC_CON0_Reg, read_grf_reg(GRF_SOC_CON0_Reg)&(~VIP_AHBMASTER)); //VIP Config to AXI
+ write_grf_reg(GRF_OS_REG0, read_grf_reg(GRF_OS_REG0)&(~VIP_ACLK_DIV_HCLK_2)); //aclk:hclk = 1:1
+ //write_grf_reg(GRF_OS_REG0, read_grf_reg(GRF_OS_REG0)|VIP_ACLK_DIV_HCLK_2); //aclk:hclk = 2:1
+
+ write_vip_reg(RK29_VIP_RESET, 0x76543210); /* ddl@rock-chips.com : vip software reset */
+ udelay(10);
+
+ write_vip_reg(RK29_VIP_AHBR_CTRL, 0x07); /* ddl@rock-chips.com : vip ahb burst 16 */
+ write_vip_reg(RK29_VIP_INT_MASK, 0x01); //capture complete interrupt enable
+ write_vip_reg(RK29_VIP_CRM, 0x00000000); //Y/CB/CR color modification
+
+ return 0;
+RK29_CAMERA_ACTIVE_ERR:
+ return -ENODEV;
+}
+
+static void rk29_camera_deactivate(struct rk29_camera_dev *pcdev)
+{
+ pcdev->active1 = NULL;
+ pcdev->active2 = NULL;
+
+ write_vip_reg(RK29_VIP_CTRL, 0);
+ read_vip_reg(RK29_VIP_INT_STS); //clear vip interrupte single
+
+ rk29_mux_api_set(GPIO1B4_VIPCLKOUT_NAME, GPIO1L_GPIO1B4);
+ clk_disable(pcdev->clk);
+
+ return;
+}
+
+/* The following two functions absolutely depend on the fact, that
+ * there can be only one camera on RK28 quick capture interface */
+static int rk29_camera_add_device(struct soc_camera_device *icd)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ struct device *control = to_soc_camera_control(icd);
+ struct v4l2_subdev *sd;
+ int ret;
+
+ mutex_lock(&camera_lock);
+
+ if (pcdev->icd) {
+ ret = -EBUSY;
+ goto ebusy;
+ }
+
+ dev_info(&icd->dev, "RK29 Camera driver attached to camera %d\n",
+ icd->devnum);
+
+ pcdev->frame_inval = RK29_CAM_FRAME_INVAL_INIT;
+ pcdev->active1 = NULL;
+ pcdev->active2 = NULL;
+ pcdev->icd = NULL;
+ pcdev->reginfo_suspend.Inval = Reg_Invalidate;
+ /* ddl@rock-chips.com: capture list must be reset, because this list may be not empty,
+ * if app havn't dequeue all videobuf before close camera device;
+ */
+ INIT_LIST_HEAD(&pcdev->capture);
+
+ ret = rk29_camera_activate(pcdev,icd);
+ if (ret)
+ goto ebusy;
+
+ /* ddl@rock-chips.com : v4l2_subdev is not created when ici->ops->add called in soc_camera_probe */
+ if (control) {
+ sd = dev_get_drvdata(control);
+ ret = v4l2_subdev_call(sd,core, init, 0);
+ if (ret)
+ goto ebusy;
+ }
+
+ pcdev->icd = icd;
+
+ebusy:
+ mutex_unlock(&camera_lock);
+
+ return ret;
+}
+static void rk29_camera_remove_device(struct soc_camera_device *icd)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+
+ BUG_ON(icd != pcdev->icd);
+
+ dev_info(&icd->dev, "RK29 Camera driver detached from camera %d\n",
+ icd->devnum);
+
+ rk29_camera_deactivate(pcdev);
+
+ /* ddl@rock-chips.com: Call videobuf_mmap_free here for free the struct video_buffer which malloc in videobuf_alloc */
+ if (pcdev->vb_vidq_ptr) {
+ videobuf_mmap_free(pcdev->vb_vidq_ptr);
+ pcdev->vb_vidq_ptr = NULL;
+ }
+
+ pcdev->active1 = NULL;
+ pcdev->active2 = NULL;
+ pcdev->icd = NULL;
+ pcdev->reginfo_suspend.Inval = Reg_Invalidate;
+ /* ddl@rock-chips.com: capture list must be reset, because this list may be not empty,
+ * if app havn't dequeue all videobuf before close camera device;
+ */
+ INIT_LIST_HEAD(&pcdev->capture);
+
+ return;
+}
+
+static int rk29_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
+{
+ unsigned long bus_flags, camera_flags, common_flags;
+ unsigned int vip_ctrl_val = 0;
+ int ret = 0;
+
+ RK29CAMERA_DG("\n%s..%d..\n",__FUNCTION__,__LINE__);
+
+ bus_flags = RK29_CAM_BUS_PARAM;
+ if (icd->ops->query_bus_param)
+ camera_flags = icd->ops->query_bus_param(icd);
+ else
+ camera_flags = 0;
+
+ common_flags = soc_camera_bus_param_compatible(camera_flags, bus_flags);
+ if (!common_flags) {
+ ret = -EINVAL;
+ goto RK29_CAMERA_SET_BUS_PARAM_END;
+ }
+
+ ret = icd->ops->set_bus_param(icd, common_flags);
+ if (ret < 0)
+ goto RK29_CAMERA_SET_BUS_PARAM_END;
+
+ if (common_flags & SOCAM_DATAWIDTH_8) {
+ icd->buswidth = 8;
+ } else if (common_flags & SOCAM_DATAWIDTH_10) {
+ icd->buswidth = 10;
+ }
+
+ vip_ctrl_val = read_vip_reg(RK29_VIP_CTRL);
+ if (common_flags & SOCAM_PCLK_SAMPLE_FALLING) {
+ vip_ctrl_val |= NEGATIVE_EDGE;
+ } else {
+ vip_ctrl_val &= ~NEGATIVE_EDGE;
+ }
+ if (common_flags & SOCAM_HSYNC_ACTIVE_LOW) {
+ vip_ctrl_val |= HSY_LOW_ACTIVE;
+ } else {
+ vip_ctrl_val &= ~HSY_LOW_ACTIVE;
+ }
+ if (common_flags & SOCAM_VSYNC_ACTIVE_HIGH) {
+ vip_ctrl_val |= VSY_HIGH_ACTIVE;
+ } else {
+ vip_ctrl_val &= ~VSY_HIGH_ACTIVE;
+ }
+
+ /* ddl@rock-chips.com : Don't enable capture here, enable in stream_on */
+ //vip_ctrl_val |= ENABLE_CAPTURE;
+
+ write_vip_reg(RK29_VIP_CTRL, vip_ctrl_val);
+ RK29CAMERA_DG("\n%s..CtrReg=%x \n",__FUNCTION__,read_vip_reg(RK29_VIP_CTRL));
+
+RK29_CAMERA_SET_BUS_PARAM_END:
+ if (ret)
+ RK29CAMERA_TR("\n%s..%d.. ret = %d \n",__FUNCTION__,__LINE__, ret);
+ return ret;
+}
+
+static int rk29_camera_try_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
+{
+ unsigned long bus_flags, camera_flags;
+ int ret;
+
+ bus_flags = RK29_CAM_BUS_PARAM;
+ if (icd->ops->query_bus_param) {
+ camera_flags = icd->ops->query_bus_param(icd);
+ } else {
+ camera_flags = 0;
+ }
+ ret = soc_camera_bus_param_compatible(camera_flags, bus_flags) ;
+
+ if (ret < 0)
+ dev_warn(icd->dev.parent,
+ "Flags incompatible: camera %lx, host %lx\n",
+ camera_flags, bus_flags);
+ return ret;
+}
+static const struct soc_camera_data_format rk29_camera_formats[] = {
+ {
+ .name = "Planar YUV420 12 bit",
+ .depth = 12,
+ .fourcc = V4L2_PIX_FMT_YUV420,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },{
+ .name = "Planar YUV422 16 bit",
+ .depth = 16,
+ .fourcc = V4L2_PIX_FMT_YUV422P,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },{
+ .name = "Raw Bayer RGB 10 bit",
+ .depth = 16,
+ .fourcc = V4L2_PIX_FMT_SGRBG10,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ }
+};
+
+static void rk29_camera_setup_format(struct soc_camera_device *icd, __u32 host_pixfmt, __u32 cam_pixfmt, struct v4l2_rect *rect)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ unsigned int vip_fs = 0,vip_crop = 0;
+ unsigned int vip_ctrl_val = VIP_SENSOR|PING_PONG|DISABLE_CAPTURE;
+
+ switch (host_pixfmt)
+ {
+ case V4L2_PIX_FMT_YUV422P:
+ vip_ctrl_val |= VIPREGYUV422;
+ pcdev->frame_inval = RK29_CAM_FRAME_INVAL_DC;
+ break;
+ case V4L2_PIX_FMT_YUV420:
+ vip_ctrl_val |= VIPREGYUV420;
+ if (pcdev->frame_inval != RK29_CAM_FRAME_INVAL_INIT)
+ pcdev->frame_inval = RK29_CAM_FRAME_INVAL_INIT;
+ break;
+ case V4L2_PIX_FMT_SGRBG10:
+ vip_ctrl_val |= (VIP_RAW | VIP_SENSOR | VIP_DATA_LITTLEEND);
+ pcdev->frame_inval = RK29_CAM_FRAME_INVAL_DC;
+ break;
+ default: /* ddl@rock-chips.com : vip output format is hold when pixfmt is invalidate */
+ vip_ctrl_val |= (read_vip_reg(RK29_VIP_CTRL) & VIPREGYUV422);
+ break;
+ }
+
+ switch (cam_pixfmt)
+ {
+ case V4L2_PIX_FMT_UYVY:
+ vip_ctrl_val |= SENSOR_UYVY;
+ break;
+ case V4L2_PIX_FMT_YUYV:
+ vip_ctrl_val |= SENSOR_YUYV;
+ break;
+ default :
+ vip_ctrl_val |= (read_vip_reg(RK29_VIP_CTRL) & SENSOR_YUYV);
+ break;
+ }
+
+ write_vip_reg(RK29_VIP_CTRL, vip_ctrl_val); /* ddl@rock-chips.com: VIP capture mode and capture format must be set before FS register set */
+
+ read_vip_reg(RK29_VIP_INT_STS); /* clear vip interrupte single */
+
+ if (vip_ctrl_val & ONEFRAME) {
+ vip_crop = ((rect->left<<16) + rect->top);
+ vip_fs = (((rect->width + rect->left)<<16) + (rect->height+rect->top));
+ } else if (vip_ctrl_val & PING_PONG) {
+ if (rect->left ||rect->top ) {
+ RK29CAMERA_DG("\n %s..PingPang not support Crop \n",__FUNCTION__);
+ BUG();
+ }
+ vip_crop = 0;
+ vip_fs = (((rect->width + rect->left)<<16) + (rect->height+rect->top));
+ }
+
+ write_vip_reg(RK29_VIP_CROP, vip_crop);
+ write_vip_reg(RK29_VIP_FS, vip_fs);
+
+ write_vip_reg(RK29_VIP_FB_SR, (VIP_F2_READY|VIP_F1_READY));
+
+ RK29CAMERA_DG("\n%s.. crop:0x%x fs:0x%x CtrlReg:0x%x\n",__FUNCTION__,vip_crop,vip_fs,read_vip_reg(RK29_VIP_CTRL));
+ return;
+}
+
+static int rk29_camera_get_formats(struct soc_camera_device *icd, int idx,
+ struct soc_camera_format_xlate *xlate)
+{
+ struct device *dev = icd->dev.parent;
+ int formats = 0, buswidth, ret;
+
+ buswidth = 8;
+
+ ret = rk29_camera_try_bus_param(icd, buswidth);
+ if (ret < 0)
+ return 0;
+
+ switch (icd->formats[idx].fourcc) {
+ case V4L2_PIX_FMT_UYVY:
+ case V4L2_PIX_FMT_YUYV:
+ formats++;
+ if (xlate) {
+ xlate->host_fmt = &rk29_camera_formats[0];
+ xlate->cam_fmt = icd->formats + idx;
+ xlate->buswidth = buswidth;
+ xlate++;
+ dev_dbg(dev, "Providing format %s using %s\n",
+ rk29_camera_formats[0].name,
+ icd->formats[idx].name);
+ }
+
+ formats++;
+ if (xlate) {
+ xlate->host_fmt = &rk29_camera_formats[1];
+ xlate->cam_fmt = icd->formats + idx;
+ xlate->buswidth = buswidth;
+ xlate++;
+ dev_dbg(dev, "Providing format %s using %s\n",
+ rk29_camera_formats[1].name,
+ icd->formats[idx].name);
+ }
+ break;
+ case V4L2_PIX_FMT_SGRBG10:
+ formats++;
+ if (xlate) {
+ xlate->host_fmt = &rk29_camera_formats[2];
+ xlate->cam_fmt = icd->formats + idx;
+ xlate->buswidth = 10;
+ xlate++;
+ dev_dbg(dev, "Providing format %s using %s\n",
+ rk29_camera_formats[2].name,
+ icd->formats[idx].name);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return formats;
+}
+
+static void rk29_camera_put_formats(struct soc_camera_device *icd)
+{
+ return;
+}
+
+static int rk29_camera_set_crop(struct soc_camera_device *icd,
+ struct v4l2_crop *a)
+{
+ struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
+ struct v4l2_format f;
+ struct v4l2_pix_format *pix = &f.fmt.pix;
+ int ret;
+
+ f.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
+ ret = v4l2_subdev_call(sd, video, g_fmt, &f);
+ if (ret < 0)
+ return ret;
+
+ if ((pix->width < (a->c.left + a->c.width)) || (pix->height < (a->c.top + a->c.height))) {
+
+ pix->width = a->c.left + a->c.width;
+ pix->height = a->c.top + a->c.height;
+
+ v4l_bound_align_image(&pix->width, RK29_CAM_W_MIN, RK29_CAM_W_MAX, 1,
+ &pix->height, RK29_CAM_H_MIN, RK29_CAM_H_MAX, 0,
+ icd->current_fmt->fourcc == V4L2_PIX_FMT_YUV422P ?4 : 0);
+
+ ret = v4l2_subdev_call(sd, video, s_fmt, &f);
+ if (ret < 0)
+ return ret;
+ }
+
+ rk29_camera_setup_format(icd, icd->current_fmt->fourcc, pix->pixelformat, &a->c);
+
+ icd->user_width = pix->width;
+ icd->user_height = pix->height;
+
+ return 0;
+}
+
+static int rk29_camera_set_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct device *dev = icd->dev.parent;
+ struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
+ const struct soc_camera_data_format *cam_fmt = NULL;
+ const struct soc_camera_format_xlate *xlate = NULL;
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ struct v4l2_format cam_f = *f;
+ struct v4l2_rect rect;
+ int ret;
+
+ RK29CAMERA_DG("\n%s..%d.. \n",__FUNCTION__,__LINE__);
+
+ xlate = soc_camera_xlate_by_fourcc(icd, pix->pixelformat);
+ if (!xlate) {
+ dev_err(dev, "Format %x not found\n", pix->pixelformat);
+ ret = -EINVAL;
+ goto RK29_CAMERA_SET_FMT_END;
+ }
+
+ cam_fmt = xlate->cam_fmt;
+
+ cam_f.fmt.pix.pixelformat = cam_fmt->fourcc;
+ ret = v4l2_subdev_call(sd, video, s_fmt, &cam_f);
+ cam_f.fmt.pix.pixelformat = pix->pixelformat;
+ *pix = cam_f.fmt.pix;
+
+ icd->sense = NULL;
+
+ if (!ret) {
+ rect.left = 0;
+ rect.top = 0;
+ rect.width = pix->width;
+ rect.height = pix->height;
+
+ RK29CAMERA_DG("\n%s..%s..%s \n",__FUNCTION__,xlate->host_fmt->name, cam_fmt->name);
+ rk29_camera_setup_format(icd, pix->pixelformat, cam_fmt->fourcc, &rect);
+
+ icd->buswidth = xlate->buswidth;
+ icd->current_fmt = xlate->host_fmt;
+ }
+
+RK29_CAMERA_SET_FMT_END:
+ if (ret)
+ RK29CAMERA_TR("\n%s..%d.. ret = %d \n",__FUNCTION__,__LINE__, ret);
+ return ret;
+}
+
+static int rk29_camera_try_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
+ const struct soc_camera_format_xlate *xlate;
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ __u32 pixfmt = pix->pixelformat;
+ enum v4l2_field field;
+ int ret;
+
+ RK29CAMERA_DG("\n%s..%d.. \n",__FUNCTION__,__LINE__);
+
+ xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
+ if (!xlate) {
+ dev_err(ici->v4l2_dev.dev, "Format %x not found\n", pixfmt);
+ ret = -EINVAL;
+ goto RK29_CAMERA_TRY_FMT_END;
+ }
+ /* limit to rk29 hardware capabilities */
+ v4l_bound_align_image(&pix->width, RK29_CAM_W_MIN, RK29_CAM_W_MAX, 1,
+ &pix->height, RK29_CAM_H_MIN, RK29_CAM_H_MAX, 0,
+ pixfmt == V4L2_PIX_FMT_YUV422P ? 4 : 0);
+
+ pix->bytesperline = pix->width * DIV_ROUND_UP(xlate->host_fmt->depth, 8);
+ pix->sizeimage = pix->height * pix->bytesperline;
+
+ /* camera has to see its format, but the user the original one */
+ pix->pixelformat = xlate->cam_fmt->fourcc;
+ /* limit to sensor capabilities */
+ ret = v4l2_subdev_call(sd, video, try_fmt, f);
+ pix->pixelformat = pixfmt;
+
+ field = pix->field;
+
+ if (field == V4L2_FIELD_ANY) {
+ pix->field = V4L2_FIELD_NONE;
+ } else if (field != V4L2_FIELD_NONE) {
+ dev_err(icd->dev.parent, "Field type %d unsupported.\n", field);
+ ret = -EINVAL;
+ goto RK29_CAMERA_TRY_FMT_END;
+ }
+
+RK29_CAMERA_TRY_FMT_END:
+ if (ret)
+ RK29CAMERA_TR("\n%s..%d.. ret = %d \n",__FUNCTION__,__LINE__, ret);
+ return ret;
+}
+
+static int rk29_camera_reqbufs(struct soc_camera_file *icf,
+ struct v4l2_requestbuffers *p)
+{
+ int i;
+
+ /* This is for locking debugging only. I removed spinlocks and now I
+ * check whether .prepare is ever called on a linked buffer, or whether
+ * a dma IRQ can occur for an in-work or unlinked buffer. Until now
+ * it hadn't triggered */
+ for (i = 0; i < p->count; i++) {
+ struct rk29_buffer *buf = container_of(icf->vb_vidq.bufs[i],
+ struct rk29_buffer, vb);
+ buf->inwork = 0;
+ INIT_LIST_HEAD(&buf->vb.queue);
+ }
+
+ return 0;
+}
+
+static unsigned int rk29_camera_poll(struct file *file, poll_table *pt)
+{
+ struct soc_camera_file *icf = file->private_data;
+ struct rk29_buffer *buf;
+
+ buf = list_entry(icf->vb_vidq.stream.next, struct rk29_buffer,
+ vb.stream);
+
+ poll_wait(file, &buf->vb.done, pt);
+
+ if (buf->vb.state == VIDEOBUF_DONE ||
+ buf->vb.state == VIDEOBUF_ERROR)
+ return POLLIN|POLLRDNORM;
+
+ return 0;
+}
+
+static int rk29_camera_querycap(struct soc_camera_host *ici,
+ struct v4l2_capability *cap)
+{
+ /* cap->name is set by the firendly caller:-> */
+ strlcpy(cap->card, rk29_cam_driver_description, sizeof(cap->card));
+ cap->version = RK29_CAM_VERSION_CODE;
+ cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
+
+ return 0;
+}
+
+static int rk29_camera_suspend(struct soc_camera_device *icd, pm_message_t state)
+{
+ struct soc_camera_host *ici =
+ to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ int ret = 0,tmp;
+
+ if ((pcdev->icd == icd) && (icd->ops->suspend)) {
+ rk29_camera_s_stream(icd, 0);
+ ret = icd->ops->suspend(icd, state);
+
+ pcdev->reginfo_suspend.VipCtrl = read_vip_reg(RK29_VIP_CTRL);
+ pcdev->reginfo_suspend.VipCrop = read_vip_reg(RK29_VIP_CROP);
+ pcdev->reginfo_suspend.VipFs = read_vip_reg(RK29_VIP_FS);
+ pcdev->reginfo_suspend.VipIntMsk = read_vip_reg(RK29_VIP_INT_MASK);
+ pcdev->reginfo_suspend.VipCrm = read_vip_reg(RK29_VIP_CRM);
+
+ tmp = pcdev->reginfo_suspend.VipFs>>16; /* ddl@rock-chips.com */
+ tmp += pcdev->reginfo_suspend.VipCrop>>16;
+ pcdev->reginfo_suspend.VipFs = (pcdev->reginfo_suspend.VipFs & 0xffff) | (tmp<<16);
+
+ pcdev->reginfo_suspend.Inval = Reg_Validate;
+ rk29_camera_deactivate(pcdev);
+
+ RK29CAMERA_DG("%s Enter Success...\n", __FUNCTION__);
+ } else {
+ RK29CAMERA_DG("%s icd has been deattach, don't need enter suspend\n", __FUNCTION__);
+ }
+
+ return ret;
+}
+
+static int rk29_camera_resume(struct soc_camera_device *icd)
+{
+ struct soc_camera_host *ici =
+ to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ int ret = 0;
+
+ if ((pcdev->icd == icd) && (icd->ops->resume)) {
+ if (pcdev->reginfo_suspend.Inval == Reg_Validate) {
+ rk29_camera_activate(pcdev, icd);
+ write_vip_reg(RK29_VIP_INT_MASK, pcdev->reginfo_suspend.VipIntMsk);
+ write_vip_reg(RK29_VIP_CRM, pcdev->reginfo_suspend.VipCrm);
+ write_vip_reg(RK29_VIP_CTRL, pcdev->reginfo_suspend.VipCtrl&~ENABLE_CAPTURE);
+ write_vip_reg(RK29_VIP_CROP, pcdev->reginfo_suspend.VipCrop);
+ write_vip_reg(RK29_VIP_FS, pcdev->reginfo_suspend.VipFs);
+ write_vip_reg(RK29_VIP_FB_SR, (VIP_F2_READY|VIP_F1_READY));
+
+ if (pcdev->active1)
+ rk29_videobuf_capture(pcdev->active1);
+
+ if (pcdev->active2)
+ rk29_videobuf_capture(pcdev->active2);
+
+ rk29_camera_s_stream(icd, 1);
+ }
+ ret = icd->ops->resume(icd);
+
+ RK29CAMERA_DG("%s Enter success\n",__FUNCTION__);
+ } else {
+ RK29CAMERA_DG("%s icd has been deattach, don't need enter resume\n", __FUNCTION__);
+ }
+
+ return ret;
+}
+
+static int rk29_camera_s_stream(struct soc_camera_device *icd, int enable)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct rk29_camera_dev *pcdev = ici->priv;
+ int vip_ctrl_val;
+
+ WARN_ON(pcdev->icd != icd);
+
+ vip_ctrl_val = read_vip_reg(RK29_VIP_CTRL);
+ if (enable) {
+ vip_ctrl_val |= ENABLE_CAPTURE;
+ } else {
+ vip_ctrl_val &= ~ENABLE_CAPTURE;
+ }
+ write_vip_reg(RK29_VIP_CTRL, vip_ctrl_val);
+
+ RK29CAMERA_DG("%s.. enable : %d\n", __FUNCTION__, enable);
+ return 0;
+}
+
+static struct soc_camera_host_ops rk29_soc_camera_host_ops =
+{
+ .owner = THIS_MODULE,
+ .add = rk29_camera_add_device,
+ .remove = rk29_camera_remove_device,
+ .suspend = rk29_camera_suspend,
+ .resume = rk29_camera_resume,
+ .set_crop = rk29_camera_set_crop,
+ .get_formats = rk29_camera_get_formats,
+ .put_formats = rk29_camera_put_formats,
+ .set_fmt = rk29_camera_set_fmt,
+ .try_fmt = rk29_camera_try_fmt,
+ .init_videobuf = rk29_camera_init_videobuf,
+ .reqbufs = rk29_camera_reqbufs,
+ .poll = rk29_camera_poll,
+ .querycap = rk29_camera_querycap,
+ .set_bus_param = rk29_camera_set_bus_param,
+ .s_stream = rk29_camera_s_stream /* ddl@rock-chips.com : Add stream control for host */
+};
+static int rk29_camera_probe(struct platform_device *pdev)
+{
+ struct rk29_camera_dev *pcdev;
+ struct resource *res;
+ int irq;
+ int err = 0;
+
+ RK29CAMERA_DG("\n%s..%s..%d \n",__FUNCTION__,__FILE__,__LINE__);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ irq = platform_get_irq(pdev, 0);
+ if (!res || irq < 0) {
+ err = -ENODEV;
+ goto exit;
+ }
+
+ pcdev = kzalloc(sizeof(*pcdev), GFP_KERNEL);
+ if (!pcdev) {
+ dev_err(&pdev->dev, "Could not allocate pcdev\n");
+ err = -ENOMEM;
+ goto exit_alloc;
+ }
+ rk29_camdev_info_ptr = pcdev;
+
+ /*config output clk*/
+ pcdev->clk = clk_get(&pdev->dev, "vip");
+ if (!pcdev->clk || IS_ERR(pcdev->clk)) {
+ RK29CAMERA_TR(KERN_ERR "failed to get vip_clk source\n");
+ err = -ENOENT;
+ goto exit_eclkget;
+ }
+
+ dev_set_drvdata(&pdev->dev, pcdev);
+ pcdev->res = res;
+
+ pcdev->pdata = pdev->dev.platform_data; /* ddl@rock-chips.com : Request IO in init function */
+ if (pcdev->pdata && pcdev->pdata->io_init) {
+ pcdev->pdata->io_init();
+ }
+
+ INIT_LIST_HEAD(&pcdev->capture);
+ spin_lock_init(&pcdev->lock);
+
+ /*
+ * Request the regions.
+ */
+ if (!request_mem_region(res->start, res->end - res->start + 1,
+ RK29_CAM_DRV_NAME)) {
+ err = -EBUSY;
+ goto exit_reqmem;
+ }
+
+ pcdev->base = ioremap(res->start, res->end - res->start + 1);
+ if (pcdev->base == NULL) {
+ dev_err(pcdev->dev, "ioremap() of registers failed\n");
+ err = -ENXIO;
+ goto exit_ioremap;
+ }
+
+ pcdev->irq = irq;
+ pcdev->dev = &pdev->dev;
+
+ /* config buffer address */
+ /* request irq */
+ err = request_irq(pcdev->irq, rk29_camera_irq, 0, RK29_CAM_DRV_NAME,
+ pcdev);
+ if (err) {
+ dev_err(pcdev->dev, "Camera interrupt register failed \n");
+ goto exit_reqirq;
+ }
+
+ pcdev->soc_host.drv_name = RK29_CAM_DRV_NAME;
+ pcdev->soc_host.ops = &rk29_soc_camera_host_ops;
+ pcdev->soc_host.priv = pcdev;
+ pcdev->soc_host.v4l2_dev.dev = &pdev->dev;
+ pcdev->soc_host.nr = pdev->id;
+
+ err = soc_camera_host_register(&pcdev->soc_host);
+ if (err)
+ goto exit_free_irq;
+
+ hrtimer_init(&pcdev->frame_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ pcdev->frame_timer.function = rk29_camera_timer_func;
+
+ RK29CAMERA_DG("\n%s..%s..%d \n",__FUNCTION__,__FILE__,__LINE__);
+ return 0;
+
+exit_free_irq:
+ free_irq(pcdev->irq, pcdev);
+exit_reqirq:
+ iounmap(pcdev->base);
+exit_ioremap:
+ release_mem_region(res->start, res->end - res->start + 1);
+exit_reqmem:
+ clk_put(pcdev->clk);
+exit_eclkget:
+ kfree(pcdev);
+exit_alloc:
+ rk29_camdev_info_ptr = NULL;
+exit:
+ return err;
+}
+
+static int __devexit rk29_camera_remove(struct platform_device *pdev)
+{
+ struct rk29_camera_dev *pcdev = platform_get_drvdata(pdev);
+ struct resource *res;
+
+ free_irq(pcdev->irq, pcdev);
+
+ soc_camera_host_unregister(&pcdev->soc_host);
+
+ res = pcdev->res;
+ release_mem_region(res->start, res->end - res->start + 1);
+
+ if (pcdev->pdata && pcdev->pdata->io_deinit) { /* ddl@rock-chips.com : Free IO in deinit function */
+ pcdev->pdata->io_deinit();
+ }
+
+ kfree(pcdev);
+ rk29_camdev_info_ptr = NULL;
+ dev_info(&pdev->dev, "RK28 Camera driver unloaded\n");
+
+ return 0;
+}
+
+static struct platform_driver rk29_camera_driver =
+{
+ .driver = {
+ .name = RK29_CAM_DRV_NAME,
+ },
+ .probe = rk29_camera_probe,
+ .remove = __devexit_p(rk29_camera_remove),
+};
+
+
+static int __devinit rk29_camera_init(void)
+{
+ RK29CAMERA_DG("\n%s..%s..%d \n",__FUNCTION__,__FILE__,__LINE__);
+ return platform_driver_register(&rk29_camera_driver);
+}
+
+static void __exit rk29_camera_exit(void)
+{
+ platform_driver_unregister(&rk29_camera_driver);
+}
+
+device_initcall_sync(rk29_camera_init);
+module_exit(rk29_camera_exit);
+
+MODULE_DESCRIPTION("RK29 Soc Camera Host driver");
+MODULE_AUTHOR("ddl <ddl@rock-chips>");
+MODULE_LICENSE("GPL");
V4L2_IDENT_OV9655 = 255,
V4L2_IDENT_SOI968 = 256,
V4L2_IDENT_OV2655 = 257, /* ddl@rock-chips.com : ov2655 support */
+ V4L2_IDENT_OV5642 = 258,
/* module saa7146: reserved range 300-309 */
V4L2_IDENT_SAA7146 = 300,
projects / firefly-linux-kernel-4.4.55.git / commitdiff