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path: root/drivers/staging/media/go7007/s2250-board.c
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Diffstat (limited to 'drivers/staging/media/go7007/s2250-board.c')
-rw-r--r--drivers/staging/media/go7007/s2250-board.c698
1 files changed, 698 insertions, 0 deletions
diff --git a/drivers/staging/media/go7007/s2250-board.c b/drivers/staging/media/go7007/s2250-board.c
new file mode 100644
index 000000000000..e7736a915530
--- /dev/null
+++ b/drivers/staging/media/go7007/s2250-board.c
@@ -0,0 +1,698 @@
+/*
+ * 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;
+ 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;
+ }
+ if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0) {
+ kfree(buf);
+ return -EFAULT;
+ }
+
+ mutex_unlock(&usb->i2c_lock);
+ 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;
+ 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;
+ }
+ if (go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1) < 0) {
+ kfree(buf);
+ return -EFAULT;
+ }
+ mutex_unlock(&usb->i2c_lock);
+
+ *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);
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-11 12:55:36 +0000