/* * 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. * * 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., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. */ #include <linux/module.h> #include <linux/init.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"); #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; 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) { printk(KERN_INFO "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) { printk(KERN_INFO "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) { printk(KERN_INFO "invalid fp write %x %x\n", val_read, val); return -EFAULT; } if (subaddr != addr) { printk(KERN_INFO "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) { printk(KERN_INFO "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) { printk(KERN_INFO "s2250: 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) { printk(KERN_INFO "s2250: 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; switch (norm) { case V4L2_STD_NTSC: write_regs_fp(client, vid_regs_fp); write_reg_fp(client, 0x20, vidsource | 1); break; case V4L2_STD_PAL: write_regs_fp(client, vid_regs_fp); write_regs_fp(client, vid_regs_fp_pal); write_reg_fp(client, 0x20, vidsource); break; default: return -EINVAL; } state->std = norm; return 0; } static int s2250_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *query) { switch (query->id) { case V4L2_CID_BRIGHTNESS: return v4l2_ctrl_query_fill(query, 0, 100, 1, 50); case V4L2_CID_CONTRAST: return v4l2_ctrl_query_fill(query, 0, 100, 1, 50); case V4L2_CID_SATURATION: return v4l2_ctrl_query_fill(query, 0, 100, 1, 50); case V4L2_CID_HUE: return v4l2_ctrl_query_fill(query, -50, 50, 1, 0); default: return -EINVAL; } return 0; } static int s2250_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { struct s2250 *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); int value1; u16 oldvalue; switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: if (ctrl->value > 100) state->brightness = 100; else if (ctrl->value < 0) state->brightness = 0; else state->brightness = ctrl->value; value1 = (state->brightness - 50) * 255 / 100; read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue); write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, value1 | (oldvalue & ~0xff)); read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue); write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, value1 | (oldvalue & ~0xff)); write_reg_fp(client, 0x140, 0x60); break; case V4L2_CID_CONTRAST: if (ctrl->value > 100) state->contrast = 100; else if (ctrl->value < 0) state->contrast = 0; else state->contrast = ctrl->value; value1 = state->contrast * 0x40 / 100; if (value1 > 0x3f) value1 = 0x3f; /* max */ read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue); write_reg_fp(client, VPX322_ADDR_CONTRAST0, value1 | (oldvalue & ~0x3f)); read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue); write_reg_fp(client, VPX322_ADDR_CONTRAST1, value1 | (oldvalue & ~0x3f)); write_reg_fp(client, 0x140, 0x60); break; case V4L2_CID_SATURATION: if (ctrl->value > 100) state->saturation = 100; else if (ctrl->value < 0) state->saturation = 0; else state->saturation = ctrl->value; value1 = state->saturation * 4140 / 100; if (value1 > 4094) value1 = 4094; write_reg_fp(client, VPX322_ADDR_SAT, value1); break; case V4L2_CID_HUE: if (ctrl->value > 50) state->hue = 50; else if (ctrl->value < -50) state->hue = -50; else state->hue = ctrl->value; /* clamp the hue range */ value1 = state->hue * 280 / 50; write_reg_fp(client, VPX322_ADDR_HUE, value1); break; default: return -EINVAL; } return 0; } static int s2250_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { struct s2250 *state = to_state(sd); switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: ctrl->value = state->brightness; break; case V4L2_CID_CONTRAST: ctrl->value = state->contrast; break; case V4L2_CID_SATURATION: ctrl->value = state->saturation; break; case V4L2_CID_HUE: ctrl->value = state->hue; 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, "Brightness: %d\n", state->brightness); v4l2_info(sd, "Contrast: %d\n", state->contrast); v4l2_info(sd, "Saturation: %d\n", state->saturation); v4l2_info(sd, "Hue: %d\n", state->hue); return 0; 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 0; } /* --------------------------------------------------------------------------*/ static const struct v4l2_subdev_core_ops s2250_core_ops = { .log_status = s2250_log_status, .g_ctrl = s2250_g_ctrl, .s_ctrl = s2250_s_ctrl, .queryctrl = s2250_queryctrl, .s_std = s2250_s_std, }; 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_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 = kmalloc(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); 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) { printk(KERN_ERR "s2250: error initializing audio\n"); i2c_unregister_device(audio); kfree(state); return 0; } if (write_regs(client, vid_regs) < 0) { printk(KERN_ERR "s2250: error initializing decoder\n"); i2c_unregister_device(audio); kfree(state); return 0; } if (write_regs_fp(client, vid_regs_fp) < 0) { printk(KERN_ERR "s2250: error initializing decoder\n"); i2c_unregister_device(audio); kfree(state); return 0; } /* 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; 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; } static int s2250_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); kfree(to_state(sd)); 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, }; static __init int init_s2250(void) { return i2c_add_driver(&s2250_driver); } static __exit void exit_s2250(void) { i2c_del_driver(&s2250_driver); } module_init(init_s2250); module_exit(exit_s2250);