diff options
Diffstat (limited to 'drivers/media/usb/go7007/s2250-board.c')
| -rw-r--r-- | drivers/media/usb/go7007/s2250-board.c | 628 |
1 files changed, 628 insertions, 0 deletions
diff --git a/drivers/media/usb/go7007/s2250-board.c b/drivers/media/usb/go7007/s2250-board.c new file mode 100644 index 000000000000..bb846680bcd4 --- /dev/null +++ b/drivers/media/usb/go7007/s2250-board.c @@ -0,0 +1,628 @@ +/* + * Copyright (C) 2008 Sensoray Company Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * 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. + */ + +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/i2c.h> +#include <linux/videodev2.h> +#include <linux/slab.h> +#include <media/v4l2-device.h> +#include <media/v4l2-common.h> +#include <media/v4l2-subdev.h> +#include "go7007-priv.h" + +MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver"); +MODULE_LICENSE("GPL v2"); + +/* + * Note: this board has two i2c devices: a vpx3226f and a tlv320aic23b. + * Due to the unusual way these are accessed on this device we do not + * reuse the i2c drivers, but instead they are implemented in this + * driver. It would be nice to improve on this, though. + */ + +#define TLV320_ADDRESS 0x34 +#define VPX322_ADDR_ANALOGCONTROL1 0x02 +#define VPX322_ADDR_BRIGHTNESS0 0x0127 +#define VPX322_ADDR_BRIGHTNESS1 0x0131 +#define VPX322_ADDR_CONTRAST0 0x0128 +#define VPX322_ADDR_CONTRAST1 0x0132 +#define VPX322_ADDR_HUE 0x00dc +#define VPX322_ADDR_SAT 0x0030 + +struct go7007_usb_board { + unsigned int flags; + struct go7007_board_info main_info; +}; + +struct go7007_usb { + struct go7007_usb_board *board; + struct mutex i2c_lock; + struct usb_device *usbdev; + struct urb *video_urbs[8]; + struct urb *audio_urbs[8]; + struct urb *intr_urb; +}; + +static unsigned char aud_regs[] = { + 0x1e, 0x00, + 0x00, 0x17, + 0x02, 0x17, + 0x04, 0xf9, + 0x06, 0xf9, + 0x08, 0x02, + 0x0a, 0x00, + 0x0c, 0x00, + 0x0a, 0x00, + 0x0c, 0x00, + 0x0e, 0x02, + 0x10, 0x00, + 0x12, 0x01, + 0x00, 0x00, +}; + + +static unsigned char vid_regs[] = { + 0xF2, 0x0f, + 0xAA, 0x00, + 0xF8, 0xff, + 0x00, 0x00, +}; + +static u16 vid_regs_fp[] = { + 0x028, 0x067, + 0x120, 0x016, + 0x121, 0xcF2, + 0x122, 0x0F2, + 0x123, 0x00c, + 0x124, 0x2d0, + 0x125, 0x2e0, + 0x126, 0x004, + 0x128, 0x1E0, + 0x12A, 0x016, + 0x12B, 0x0F2, + 0x12C, 0x0F2, + 0x12D, 0x00c, + 0x12E, 0x2d0, + 0x12F, 0x2e0, + 0x130, 0x004, + 0x132, 0x1E0, + 0x140, 0x060, + 0x153, 0x00C, + 0x154, 0x200, + 0x150, 0x801, + 0x000, 0x000 +}; + +/* PAL specific values */ +static u16 vid_regs_fp_pal[] = { + 0x120, 0x017, + 0x121, 0xd22, + 0x122, 0x122, + 0x12A, 0x017, + 0x12B, 0x122, + 0x12C, 0x122, + 0x140, 0x060, + 0x000, 0x000, +}; + +struct s2250 { + struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; + v4l2_std_id std; + int input; + int brightness; + int contrast; + int saturation; + int hue; + int reg12b_val; + int audio_input; + struct i2c_client *audio; +}; + +static inline struct s2250 *to_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct s2250, sd); +} + +/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/ +static int go7007_usb_vendor_request(struct go7007 *go, u16 request, + u16 value, u16 index, void *transfer_buffer, int length, int in) +{ + struct go7007_usb *usb = go->hpi_context; + int timeout = 5000; + + if (in) { + return usb_control_msg(usb->usbdev, + usb_rcvctrlpipe(usb->usbdev, 0), request, + USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, + value, index, transfer_buffer, length, timeout); + } else { + return usb_control_msg(usb->usbdev, + usb_sndctrlpipe(usb->usbdev, 0), request, + USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, index, transfer_buffer, length, timeout); + } +} +/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/ + +static int write_reg(struct i2c_client *client, u8 reg, u8 value) +{ + struct go7007 *go = i2c_get_adapdata(client->adapter); + struct go7007_usb *usb; + int rc; + int dev_addr = client->addr << 1; /* firmware wants 8-bit address */ + u8 *buf; + + if (go == NULL) + return -ENODEV; + + if (go->status == STATUS_SHUTDOWN) + return -EBUSY; + + buf = kzalloc(16, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + usb = go->hpi_context; + if (mutex_lock_interruptible(&usb->i2c_lock) != 0) { + dev_info(&client->dev, "i2c lock failed\n"); + kfree(buf); + return -EINTR; + } + rc = go7007_usb_vendor_request(go, 0x55, dev_addr, + (reg<<8 | value), + buf, + 16, 1); + + mutex_unlock(&usb->i2c_lock); + kfree(buf); + return rc; +} + +static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val) +{ + struct go7007 *go = i2c_get_adapdata(client->adapter); + struct go7007_usb *usb; + int rc; + u8 *buf; + struct s2250 *dec = i2c_get_clientdata(client); + + if (go == NULL) + return -ENODEV; + + if (go->status == STATUS_SHUTDOWN) + return -EBUSY; + + buf = kzalloc(16, GFP_KERNEL); + + if (buf == NULL) + return -ENOMEM; + + + + memset(buf, 0xcd, 6); + + usb = go->hpi_context; + if (mutex_lock_interruptible(&usb->i2c_lock) != 0) { + dev_info(&client->dev, "i2c lock failed\n"); + kfree(buf); + return -EINTR; + } + rc = go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1); + mutex_unlock(&usb->i2c_lock); + if (rc < 0) { + kfree(buf); + return rc; + } + + if (buf[0] == 0) { + unsigned int subaddr, val_read; + + subaddr = (buf[4] << 8) + buf[5]; + val_read = (buf[2] << 8) + buf[3]; + kfree(buf); + if (val_read != val) { + dev_info(&client->dev, "invalid fp write %x %x\n", + val_read, val); + return -EFAULT; + } + if (subaddr != addr) { + dev_info(&client->dev, "invalid fp write addr %x %x\n", + subaddr, addr); + return -EFAULT; + } + } else { + kfree(buf); + return -EFAULT; + } + + /* save last 12b value */ + if (addr == 0x12b) + dec->reg12b_val = val; + + return 0; +} + +static int read_reg_fp(struct i2c_client *client, u16 addr, u16 *val) +{ + struct go7007 *go = i2c_get_adapdata(client->adapter); + struct go7007_usb *usb; + int rc; + u8 *buf; + + if (go == NULL) + return -ENODEV; + + if (go->status == STATUS_SHUTDOWN) + return -EBUSY; + + buf = kzalloc(16, GFP_KERNEL); + + if (buf == NULL) + return -ENOMEM; + + + + memset(buf, 0xcd, 6); + usb = go->hpi_context; + if (mutex_lock_interruptible(&usb->i2c_lock) != 0) { + dev_info(&client->dev, "i2c lock failed\n"); + kfree(buf); + return -EINTR; + } + rc = go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1); + mutex_unlock(&usb->i2c_lock); + if (rc < 0) { + kfree(buf); + return rc; + } + + *val = (buf[0] << 8) | buf[1]; + kfree(buf); + + return 0; +} + + +static int write_regs(struct i2c_client *client, u8 *regs) +{ + int i; + + for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) { + if (write_reg(client, regs[i], regs[i+1]) < 0) { + dev_info(&client->dev, "failed\n"); + return -1; + } + } + return 0; +} + +static int write_regs_fp(struct i2c_client *client, u16 *regs) +{ + int i; + + for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) { + if (write_reg_fp(client, regs[i], regs[i+1]) < 0) { + dev_info(&client->dev, "failed fp\n"); + return -1; + } + } + return 0; +} + + +/* ------------------------------------------------------------------------- */ + +static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output, + u32 config) +{ + struct s2250 *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + int vidsys; + + vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00; + if (input == 0) { + /* composite */ + write_reg_fp(client, 0x20, 0x020 | vidsys); + write_reg_fp(client, 0x21, 0x662); + write_reg_fp(client, 0x140, 0x060); + } else if (input == 1) { + /* S-Video */ + write_reg_fp(client, 0x20, 0x040 | vidsys); + write_reg_fp(client, 0x21, 0x666); + write_reg_fp(client, 0x140, 0x060); + } else { + return -EINVAL; + } + state->input = input; + return 0; +} + +static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) +{ + struct s2250 *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + u16 vidsource; + + vidsource = (state->input == 1) ? 0x040 : 0x020; + if (norm & V4L2_STD_625_50) { + write_regs_fp(client, vid_regs_fp); + write_regs_fp(client, vid_regs_fp_pal); + write_reg_fp(client, 0x20, vidsource); + } else { + write_regs_fp(client, vid_regs_fp); + write_reg_fp(client, 0x20, vidsource | 1); + } + state->std = norm; + return 0; +} + +static int s2250_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct s2250 *state = container_of(ctrl->handler, struct s2250, hdl); + struct i2c_client *client = v4l2_get_subdevdata(&state->sd); + u16 oldvalue; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue); + write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, + ctrl->val | (oldvalue & ~0xff)); + read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue); + write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, + ctrl->val | (oldvalue & ~0xff)); + write_reg_fp(client, 0x140, 0x60); + break; + case V4L2_CID_CONTRAST: + read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue); + write_reg_fp(client, VPX322_ADDR_CONTRAST0, + ctrl->val | (oldvalue & ~0x3f)); + read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue); + write_reg_fp(client, VPX322_ADDR_CONTRAST1, + ctrl->val | (oldvalue & ~0x3f)); + write_reg_fp(client, 0x140, 0x60); + break; + case V4L2_CID_SATURATION: + write_reg_fp(client, VPX322_ADDR_SAT, ctrl->val); + break; + case V4L2_CID_HUE: + write_reg_fp(client, VPX322_ADDR_HUE, ctrl->val); + break; + default: + return -EINVAL; + } + return 0; +} + +static int s2250_s_mbus_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *fmt) +{ + struct s2250 *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + + if (fmt->height < 640) { + write_reg_fp(client, 0x12b, state->reg12b_val | 0x400); + write_reg_fp(client, 0x140, 0x060); + } else { + write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400); + write_reg_fp(client, 0x140, 0x060); + } + return 0; +} + +static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output, + u32 config) +{ + struct s2250 *state = to_state(sd); + + switch (input) { + case 0: + write_reg(state->audio, 0x08, 0x02); /* Line In */ + break; + case 1: + write_reg(state->audio, 0x08, 0x04); /* Mic */ + break; + case 2: + write_reg(state->audio, 0x08, 0x05); /* Mic Boost */ + break; + default: + return -EINVAL; + } + state->audio_input = input; + return 0; +} + + +static int s2250_log_status(struct v4l2_subdev *sd) +{ + struct s2250 *state = to_state(sd); + + v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" : + state->std == V4L2_STD_PAL ? "PAL" : + state->std == V4L2_STD_SECAM ? "SECAM" : + "unknown"); + v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" : + state->input == 1 ? "S-video" : + "error"); + v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" : + state->audio_input == 1 ? "Mic" : + state->audio_input == 2 ? "Mic Boost" : + "error"); + return v4l2_ctrl_subdev_log_status(sd); +} + +/* --------------------------------------------------------------------------*/ + +static const struct v4l2_ctrl_ops s2250_ctrl_ops = { + .s_ctrl = s2250_s_ctrl, +}; + +static const struct v4l2_subdev_core_ops s2250_core_ops = { + .log_status = s2250_log_status, +}; + +static const struct v4l2_subdev_audio_ops s2250_audio_ops = { + .s_routing = s2250_s_audio_routing, +}; + +static const struct v4l2_subdev_video_ops s2250_video_ops = { + .s_std = s2250_s_std, + .s_routing = s2250_s_video_routing, + .s_mbus_fmt = s2250_s_mbus_fmt, +}; + +static const struct v4l2_subdev_ops s2250_ops = { + .core = &s2250_core_ops, + .audio = &s2250_audio_ops, + .video = &s2250_video_ops, +}; + +/* --------------------------------------------------------------------------*/ + +static int s2250_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct i2c_client *audio; + struct i2c_adapter *adapter = client->adapter; + struct s2250 *state; + struct v4l2_subdev *sd; + u8 *data; + struct go7007 *go = i2c_get_adapdata(adapter); + struct go7007_usb *usb = go->hpi_context; + + audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1); + if (audio == NULL) + return -ENOMEM; + + state = kzalloc(sizeof(struct s2250), GFP_KERNEL); + if (state == NULL) { + i2c_unregister_device(audio); + return -ENOMEM; + } + + sd = &state->sd; + v4l2_i2c_subdev_init(sd, client, &s2250_ops); + + v4l2_info(sd, "initializing %s at address 0x%x on %s\n", + "Sensoray 2250/2251", client->addr, client->adapter->name); + + v4l2_ctrl_handler_init(&state->hdl, 4); + v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops, + V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); + v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops, + V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x32); + v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops, + V4L2_CID_SATURATION, 0, 4094, 1, 2070); + v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops, + V4L2_CID_HUE, -512, 511, 1, 0); + sd->ctrl_handler = &state->hdl; + if (state->hdl.error) { + int err = state->hdl.error; + + v4l2_ctrl_handler_free(&state->hdl); + kfree(state); + return err; + } + + state->std = V4L2_STD_NTSC; + state->brightness = 50; + state->contrast = 50; + state->saturation = 50; + state->hue = 0; + state->audio = audio; + + /* initialize the audio */ + 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)); + + 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 = { + .owner = THIS_MODULE, + .name = "s2250", + }, + .probe = s2250_probe, + .remove = s2250_remove, + .id_table = s2250_id, +}; + +module_i2c_driver(s2250_driver); |