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632 lines
14 KiB
632 lines
14 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Copyright (C) 2008 Sensoray Company Inc. |
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*/ |
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|
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#include <linux/module.h> |
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#include <linux/usb.h> |
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#include <linux/i2c.h> |
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#include <linux/videodev2.h> |
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#include <linux/slab.h> |
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#include <media/v4l2-device.h> |
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#include <media/v4l2-common.h> |
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#include <media/v4l2-subdev.h> |
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#include "go7007-priv.h" |
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MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver"); |
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MODULE_LICENSE("GPL v2"); |
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/* |
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* Note: this board has two i2c devices: a vpx3226f and a tlv320aic23b. |
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* Due to the unusual way these are accessed on this device we do not |
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* reuse the i2c drivers, but instead they are implemented in this |
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* driver. It would be nice to improve on this, though. |
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*/ |
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#define TLV320_ADDRESS 0x34 |
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#define VPX322_ADDR_ANALOGCONTROL1 0x02 |
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#define VPX322_ADDR_BRIGHTNESS0 0x0127 |
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#define VPX322_ADDR_BRIGHTNESS1 0x0131 |
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#define VPX322_ADDR_CONTRAST0 0x0128 |
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#define VPX322_ADDR_CONTRAST1 0x0132 |
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#define VPX322_ADDR_HUE 0x00dc |
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#define VPX322_ADDR_SAT 0x0030 |
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struct go7007_usb_board { |
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unsigned int flags; |
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struct go7007_board_info main_info; |
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}; |
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struct go7007_usb { |
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struct go7007_usb_board *board; |
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struct mutex i2c_lock; |
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struct usb_device *usbdev; |
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struct urb *video_urbs[8]; |
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struct urb *audio_urbs[8]; |
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struct urb *intr_urb; |
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}; |
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static unsigned char aud_regs[] = { |
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0x1e, 0x00, |
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0x00, 0x17, |
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0x02, 0x17, |
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0x04, 0xf9, |
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0x06, 0xf9, |
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0x08, 0x02, |
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0x0a, 0x00, |
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0x0c, 0x00, |
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0x0a, 0x00, |
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0x0c, 0x00, |
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0x0e, 0x02, |
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0x10, 0x00, |
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0x12, 0x01, |
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0x00, 0x00, |
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}; |
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static unsigned char vid_regs[] = { |
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0xF2, 0x0f, |
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0xAA, 0x00, |
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0xF8, 0xff, |
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0x00, 0x00, |
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}; |
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static u16 vid_regs_fp[] = { |
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0x028, 0x067, |
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0x120, 0x016, |
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0x121, 0xcF2, |
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0x122, 0x0F2, |
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0x123, 0x00c, |
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0x124, 0x2d0, |
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0x125, 0x2e0, |
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0x126, 0x004, |
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0x128, 0x1E0, |
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0x12A, 0x016, |
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0x12B, 0x0F2, |
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0x12C, 0x0F2, |
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0x12D, 0x00c, |
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0x12E, 0x2d0, |
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0x12F, 0x2e0, |
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0x130, 0x004, |
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0x132, 0x1E0, |
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0x140, 0x060, |
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0x153, 0x00C, |
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0x154, 0x200, |
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0x150, 0x801, |
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0x000, 0x000 |
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}; |
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/* PAL specific values */ |
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static u16 vid_regs_fp_pal[] = { |
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0x120, 0x017, |
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0x121, 0xd22, |
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0x122, 0x122, |
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0x12A, 0x017, |
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0x12B, 0x122, |
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0x12C, 0x122, |
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0x140, 0x060, |
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0x000, 0x000, |
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}; |
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struct s2250 { |
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struct v4l2_subdev sd; |
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struct v4l2_ctrl_handler hdl; |
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v4l2_std_id std; |
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int input; |
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int brightness; |
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int contrast; |
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int saturation; |
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int hue; |
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int reg12b_val; |
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int audio_input; |
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struct i2c_client *audio; |
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}; |
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static inline struct s2250 *to_state(struct v4l2_subdev *sd) |
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{ |
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return container_of(sd, struct s2250, sd); |
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} |
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/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/ |
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static int go7007_usb_vendor_request(struct go7007 *go, u16 request, |
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u16 value, u16 index, void *transfer_buffer, int length, int in) |
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{ |
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struct go7007_usb *usb = go->hpi_context; |
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int timeout = 5000; |
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if (in) { |
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return usb_control_msg(usb->usbdev, |
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usb_rcvctrlpipe(usb->usbdev, 0), request, |
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USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
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value, index, transfer_buffer, length, timeout); |
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} else { |
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return usb_control_msg(usb->usbdev, |
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usb_sndctrlpipe(usb->usbdev, 0), request, |
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USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
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value, index, transfer_buffer, length, timeout); |
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} |
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} |
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/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/ |
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static int write_reg(struct i2c_client *client, u8 reg, u8 value) |
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{ |
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struct go7007 *go = i2c_get_adapdata(client->adapter); |
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struct go7007_usb *usb; |
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int rc; |
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int dev_addr = client->addr << 1; /* firmware wants 8-bit address */ |
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u8 *buf; |
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if (go == NULL) |
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return -ENODEV; |
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if (go->status == STATUS_SHUTDOWN) |
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return -EBUSY; |
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buf = kzalloc(16, GFP_KERNEL); |
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if (buf == NULL) |
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return -ENOMEM; |
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usb = go->hpi_context; |
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if (mutex_lock_interruptible(&usb->i2c_lock) != 0) { |
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dev_info(&client->dev, "i2c lock failed\n"); |
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kfree(buf); |
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return -EINTR; |
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} |
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rc = go7007_usb_vendor_request(go, 0x55, dev_addr, |
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(reg<<8 | value), |
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buf, |
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16, 1); |
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mutex_unlock(&usb->i2c_lock); |
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kfree(buf); |
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return rc; |
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} |
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static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val) |
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{ |
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struct go7007 *go = i2c_get_adapdata(client->adapter); |
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struct go7007_usb *usb; |
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int rc; |
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u8 *buf; |
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struct s2250 *dec = i2c_get_clientdata(client); |
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if (go == NULL) |
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return -ENODEV; |
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if (go->status == STATUS_SHUTDOWN) |
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return -EBUSY; |
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buf = kzalloc(16, GFP_KERNEL); |
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if (buf == NULL) |
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return -ENOMEM; |
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memset(buf, 0xcd, 6); |
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usb = go->hpi_context; |
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if (mutex_lock_interruptible(&usb->i2c_lock) != 0) { |
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dev_info(&client->dev, "i2c lock failed\n"); |
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kfree(buf); |
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return -EINTR; |
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} |
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rc = go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1); |
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mutex_unlock(&usb->i2c_lock); |
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if (rc < 0) { |
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kfree(buf); |
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return rc; |
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} |
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if (buf[0] == 0) { |
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unsigned int subaddr, val_read; |
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subaddr = (buf[4] << 8) + buf[5]; |
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val_read = (buf[2] << 8) + buf[3]; |
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kfree(buf); |
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if (val_read != val) { |
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dev_info(&client->dev, "invalid fp write %x %x\n", |
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val_read, val); |
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return -EFAULT; |
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} |
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if (subaddr != addr) { |
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dev_info(&client->dev, "invalid fp write addr %x %x\n", |
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subaddr, addr); |
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return -EFAULT; |
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} |
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} else { |
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kfree(buf); |
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return -EFAULT; |
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} |
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/* save last 12b value */ |
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if (addr == 0x12b) |
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dec->reg12b_val = val; |
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return 0; |
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} |
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static int read_reg_fp(struct i2c_client *client, u16 addr, u16 *val) |
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{ |
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struct go7007 *go = i2c_get_adapdata(client->adapter); |
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struct go7007_usb *usb; |
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int rc; |
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u8 *buf; |
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if (go == NULL) |
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return -ENODEV; |
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if (go->status == STATUS_SHUTDOWN) |
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return -EBUSY; |
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buf = kzalloc(16, GFP_KERNEL); |
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if (buf == NULL) |
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return -ENOMEM; |
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memset(buf, 0xcd, 6); |
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usb = go->hpi_context; |
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if (mutex_lock_interruptible(&usb->i2c_lock) != 0) { |
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dev_info(&client->dev, "i2c lock failed\n"); |
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kfree(buf); |
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return -EINTR; |
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} |
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rc = go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1); |
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mutex_unlock(&usb->i2c_lock); |
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if (rc < 0) { |
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kfree(buf); |
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return rc; |
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} |
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*val = (buf[0] << 8) | buf[1]; |
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kfree(buf); |
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return 0; |
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} |
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static int write_regs(struct i2c_client *client, u8 *regs) |
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{ |
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int i; |
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for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) { |
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if (write_reg(client, regs[i], regs[i+1]) < 0) { |
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dev_info(&client->dev, "failed\n"); |
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return -1; |
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} |
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} |
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return 0; |
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} |
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static int write_regs_fp(struct i2c_client *client, u16 *regs) |
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{ |
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int i; |
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for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) { |
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if (write_reg_fp(client, regs[i], regs[i+1]) < 0) { |
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dev_info(&client->dev, "failed fp\n"); |
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return -1; |
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} |
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} |
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return 0; |
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} |
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/* ------------------------------------------------------------------------- */ |
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static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output, |
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u32 config) |
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{ |
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struct s2250 *state = to_state(sd); |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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int vidsys; |
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vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00; |
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if (input == 0) { |
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/* composite */ |
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write_reg_fp(client, 0x20, 0x020 | vidsys); |
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write_reg_fp(client, 0x21, 0x662); |
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write_reg_fp(client, 0x140, 0x060); |
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} else if (input == 1) { |
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/* S-Video */ |
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write_reg_fp(client, 0x20, 0x040 | vidsys); |
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write_reg_fp(client, 0x21, 0x666); |
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write_reg_fp(client, 0x140, 0x060); |
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} else { |
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return -EINVAL; |
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} |
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state->input = input; |
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return 0; |
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} |
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static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) |
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{ |
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struct s2250 *state = to_state(sd); |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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u16 vidsource; |
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vidsource = (state->input == 1) ? 0x040 : 0x020; |
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if (norm & V4L2_STD_625_50) { |
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write_regs_fp(client, vid_regs_fp); |
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write_regs_fp(client, vid_regs_fp_pal); |
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write_reg_fp(client, 0x20, vidsource); |
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} else { |
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write_regs_fp(client, vid_regs_fp); |
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write_reg_fp(client, 0x20, vidsource | 1); |
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} |
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state->std = norm; |
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return 0; |
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} |
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static int s2250_s_ctrl(struct v4l2_ctrl *ctrl) |
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{ |
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struct s2250 *state = container_of(ctrl->handler, struct s2250, hdl); |
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struct i2c_client *client = v4l2_get_subdevdata(&state->sd); |
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u16 oldvalue; |
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switch (ctrl->id) { |
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case V4L2_CID_BRIGHTNESS: |
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read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue); |
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write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, |
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ctrl->val | (oldvalue & ~0xff)); |
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read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue); |
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write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, |
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ctrl->val | (oldvalue & ~0xff)); |
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write_reg_fp(client, 0x140, 0x60); |
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break; |
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case V4L2_CID_CONTRAST: |
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read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue); |
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write_reg_fp(client, VPX322_ADDR_CONTRAST0, |
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ctrl->val | (oldvalue & ~0x3f)); |
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read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue); |
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write_reg_fp(client, VPX322_ADDR_CONTRAST1, |
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ctrl->val | (oldvalue & ~0x3f)); |
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write_reg_fp(client, 0x140, 0x60); |
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break; |
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case V4L2_CID_SATURATION: |
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write_reg_fp(client, VPX322_ADDR_SAT, ctrl->val); |
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break; |
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case V4L2_CID_HUE: |
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write_reg_fp(client, VPX322_ADDR_HUE, ctrl->val); |
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break; |
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default: |
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return -EINVAL; |
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} |
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return 0; |
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} |
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static int s2250_set_fmt(struct v4l2_subdev *sd, |
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struct v4l2_subdev_pad_config *cfg, |
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struct v4l2_subdev_format *format) |
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{ |
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struct v4l2_mbus_framefmt *fmt = &format->format; |
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struct s2250 *state = to_state(sd); |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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if (format->pad) |
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return -EINVAL; |
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if (format->which == V4L2_SUBDEV_FORMAT_TRY) |
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return 0; |
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if (fmt->height < 640) { |
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write_reg_fp(client, 0x12b, state->reg12b_val | 0x400); |
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write_reg_fp(client, 0x140, 0x060); |
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} else { |
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write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400); |
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write_reg_fp(client, 0x140, 0x060); |
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} |
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return 0; |
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} |
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static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output, |
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u32 config) |
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{ |
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struct s2250 *state = to_state(sd); |
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switch (input) { |
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case 0: |
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write_reg(state->audio, 0x08, 0x02); /* Line In */ |
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break; |
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case 1: |
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write_reg(state->audio, 0x08, 0x04); /* Mic */ |
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break; |
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case 2: |
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write_reg(state->audio, 0x08, 0x05); /* Mic Boost */ |
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break; |
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default: |
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return -EINVAL; |
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} |
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state->audio_input = input; |
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return 0; |
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} |
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static int s2250_log_status(struct v4l2_subdev *sd) |
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{ |
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struct s2250 *state = to_state(sd); |
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v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" : |
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state->std == V4L2_STD_PAL ? "PAL" : |
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state->std == V4L2_STD_SECAM ? "SECAM" : |
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"unknown"); |
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v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" : |
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state->input == 1 ? "S-video" : |
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"error"); |
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v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" : |
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state->audio_input == 1 ? "Mic" : |
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state->audio_input == 2 ? "Mic Boost" : |
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"error"); |
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return v4l2_ctrl_subdev_log_status(sd); |
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} |
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/* --------------------------------------------------------------------------*/ |
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static const struct v4l2_ctrl_ops s2250_ctrl_ops = { |
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.s_ctrl = s2250_s_ctrl, |
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}; |
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static const struct v4l2_subdev_core_ops s2250_core_ops = { |
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.log_status = s2250_log_status, |
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}; |
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static const struct v4l2_subdev_audio_ops s2250_audio_ops = { |
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.s_routing = s2250_s_audio_routing, |
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}; |
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static const struct v4l2_subdev_video_ops s2250_video_ops = { |
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.s_std = s2250_s_std, |
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.s_routing = s2250_s_video_routing, |
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}; |
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static const struct v4l2_subdev_pad_ops s2250_pad_ops = { |
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.set_fmt = s2250_set_fmt, |
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}; |
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static const struct v4l2_subdev_ops s2250_ops = { |
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.core = &s2250_core_ops, |
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.audio = &s2250_audio_ops, |
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.video = &s2250_video_ops, |
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.pad = &s2250_pad_ops, |
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}; |
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/* --------------------------------------------------------------------------*/ |
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static int s2250_probe(struct i2c_client *client, |
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const struct i2c_device_id *id) |
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{ |
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struct i2c_client *audio; |
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struct i2c_adapter *adapter = client->adapter; |
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struct s2250 *state; |
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struct v4l2_subdev *sd; |
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u8 *data; |
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struct go7007 *go = i2c_get_adapdata(adapter); |
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struct go7007_usb *usb = go->hpi_context; |
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audio = i2c_new_dummy_device(adapter, TLV320_ADDRESS >> 1); |
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if (IS_ERR(audio)) |
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return PTR_ERR(audio); |
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state = kzalloc(sizeof(struct s2250), GFP_KERNEL); |
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if (state == NULL) { |
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i2c_unregister_device(audio); |
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return -ENOMEM; |
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} |
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sd = &state->sd; |
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v4l2_i2c_subdev_init(sd, client, &s2250_ops); |
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v4l2_info(sd, "initializing %s at address 0x%x on %s\n", |
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"Sensoray 2250/2251", client->addr, client->adapter->name); |
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v4l2_ctrl_handler_init(&state->hdl, 4); |
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v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops, |
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V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); |
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v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops, |
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V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x32); |
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v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops, |
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V4L2_CID_SATURATION, 0, 4094, 1, 2070); |
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v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops, |
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V4L2_CID_HUE, -512, 511, 1, 0); |
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sd->ctrl_handler = &state->hdl; |
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if (state->hdl.error) { |
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int err = state->hdl.error; |
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|
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v4l2_ctrl_handler_free(&state->hdl); |
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kfree(state); |
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return err; |
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} |
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state->std = V4L2_STD_NTSC; |
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state->brightness = 50; |
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state->contrast = 50; |
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state->saturation = 50; |
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state->hue = 0; |
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state->audio = audio; |
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|
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/* initialize the audio */ |
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if (write_regs(audio, aud_regs) < 0) { |
|
dev_err(&client->dev, "error initializing audio\n"); |
|
goto fail; |
|
} |
|
|
|
if (write_regs(client, vid_regs) < 0) { |
|
dev_err(&client->dev, "error initializing decoder\n"); |
|
goto fail; |
|
} |
|
if (write_regs_fp(client, vid_regs_fp) < 0) { |
|
dev_err(&client->dev, "error initializing decoder\n"); |
|
goto fail; |
|
} |
|
/* set default channel */ |
|
/* composite */ |
|
write_reg_fp(client, 0x20, 0x020 | 1); |
|
write_reg_fp(client, 0x21, 0x662); |
|
write_reg_fp(client, 0x140, 0x060); |
|
|
|
/* set default audio input */ |
|
state->audio_input = 0; |
|
write_reg(client, 0x08, 0x02); /* Line In */ |
|
|
|
if (mutex_lock_interruptible(&usb->i2c_lock) == 0) { |
|
data = kzalloc(16, GFP_KERNEL); |
|
if (data != NULL) { |
|
int rc = go7007_usb_vendor_request(go, 0x41, 0, 0, |
|
data, 16, 1); |
|
|
|
if (rc > 0) { |
|
u8 mask; |
|
|
|
data[0] = 0; |
|
mask = 1<<5; |
|
data[0] &= ~mask; |
|
data[1] |= mask; |
|
go7007_usb_vendor_request(go, 0x40, 0, |
|
(data[1]<<8) |
|
+ data[1], |
|
data, 16, 0); |
|
} |
|
kfree(data); |
|
} |
|
mutex_unlock(&usb->i2c_lock); |
|
} |
|
|
|
v4l2_info(sd, "initialized successfully\n"); |
|
return 0; |
|
|
|
fail: |
|
i2c_unregister_device(audio); |
|
v4l2_ctrl_handler_free(&state->hdl); |
|
kfree(state); |
|
return -EIO; |
|
} |
|
|
|
static int s2250_remove(struct i2c_client *client) |
|
{ |
|
struct s2250 *state = to_state(i2c_get_clientdata(client)); |
|
|
|
i2c_unregister_device(state->audio); |
|
v4l2_device_unregister_subdev(&state->sd); |
|
v4l2_ctrl_handler_free(&state->hdl); |
|
kfree(state); |
|
return 0; |
|
} |
|
|
|
static const struct i2c_device_id s2250_id[] = { |
|
{ "s2250", 0 }, |
|
{ } |
|
}; |
|
MODULE_DEVICE_TABLE(i2c, s2250_id); |
|
|
|
static struct i2c_driver s2250_driver = { |
|
.driver = { |
|
.name = "s2250", |
|
}, |
|
.probe = s2250_probe, |
|
.remove = s2250_remove, |
|
.id_table = s2250_id, |
|
}; |
|
|
|
module_i2c_driver(s2250_driver);
|
|
|