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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 00:13:22 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:25:07 -0300
commit0c0d06cac63ee327ceaab4b5ffe2206574ab86bd (patch)
treee759f0dc3185d97f2a0c6b5cd5e32ea6faa74d40 /drivers/media/video/gspca/jl2005bcd.c
parent84cfe9e79bd5ac11c963f4841158454fefa872f6 (diff)
[media] rename most media/video usb drivers to media/usb
Rename all USB drivers with their own directory under drivers/media/video into drivers/media/usb and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/jl2005bcd.c')
-rw-r--r--drivers/media/video/gspca/jl2005bcd.c557
1 files changed, 0 insertions, 557 deletions
diff --git a/drivers/media/video/gspca/jl2005bcd.c b/drivers/media/video/gspca/jl2005bcd.c
deleted file mode 100644
index cf9d9fca5b84..000000000000
--- a/drivers/media/video/gspca/jl2005bcd.c
+++ /dev/null
@@ -1,557 +0,0 @@
-/*
- * Jeilin JL2005B/C/D library
- *
- * Copyright (C) 2011 Theodore Kilgore <kilgota@auburn.edu>
- *
- * 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
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#define MODULE_NAME "jl2005bcd"
-
-#include <linux/workqueue.h>
-#include <linux/slab.h>
-#include "gspca.h"
-
-
-MODULE_AUTHOR("Theodore Kilgore <kilgota@auburn.edu>");
-MODULE_DESCRIPTION("JL2005B/C/D USB Camera Driver");
-MODULE_LICENSE("GPL");
-
-/* Default timeouts, in ms */
-#define JL2005C_CMD_TIMEOUT 500
-#define JL2005C_DATA_TIMEOUT 1000
-
-/* Maximum transfer size to use. */
-#define JL2005C_MAX_TRANSFER 0x200
-#define FRAME_HEADER_LEN 16
-
-
-/* specific webcam descriptor */
-struct sd {
- struct gspca_dev gspca_dev; /* !! must be the first item */
- unsigned char firmware_id[6];
- const struct v4l2_pix_format *cap_mode;
- /* Driver stuff */
- struct work_struct work_struct;
- struct workqueue_struct *work_thread;
- u8 frame_brightness;
- int block_size; /* block size of camera */
- int vga; /* 1 if vga cam, 0 if cif cam */
-};
-
-
-/* Camera has two resolution settings. What they are depends on model. */
-static const struct v4l2_pix_format cif_mode[] = {
- {176, 144, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE,
- .bytesperline = 176,
- .sizeimage = 176 * 144,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .priv = 0},
- {352, 288, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE,
- .bytesperline = 352,
- .sizeimage = 352 * 288,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .priv = 0},
-};
-
-static const struct v4l2_pix_format vga_mode[] = {
- {320, 240, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE,
- .bytesperline = 320,
- .sizeimage = 320 * 240,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .priv = 0},
- {640, 480, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE,
- .bytesperline = 640,
- .sizeimage = 640 * 480,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .priv = 0},
-};
-
-/*
- * cam uses endpoint 0x03 to send commands, 0x84 for read commands,
- * and 0x82 for bulk data transfer.
- */
-
-/* All commands are two bytes only */
-static int jl2005c_write2(struct gspca_dev *gspca_dev, unsigned char *command)
-{
- int retval;
-
- memcpy(gspca_dev->usb_buf, command, 2);
- retval = usb_bulk_msg(gspca_dev->dev,
- usb_sndbulkpipe(gspca_dev->dev, 3),
- gspca_dev->usb_buf, 2, NULL, 500);
- if (retval < 0)
- pr_err("command write [%02x] error %d\n",
- gspca_dev->usb_buf[0], retval);
- return retval;
-}
-
-/* Response to a command is one byte in usb_buf[0], only if requested. */
-static int jl2005c_read1(struct gspca_dev *gspca_dev)
-{
- int retval;
-
- retval = usb_bulk_msg(gspca_dev->dev,
- usb_rcvbulkpipe(gspca_dev->dev, 0x84),
- gspca_dev->usb_buf, 1, NULL, 500);
- if (retval < 0)
- pr_err("read command [0x%02x] error %d\n",
- gspca_dev->usb_buf[0], retval);
- return retval;
-}
-
-/* Response appears in gspca_dev->usb_buf[0] */
-static int jl2005c_read_reg(struct gspca_dev *gspca_dev, unsigned char reg)
-{
- int retval;
-
- static u8 instruction[2] = {0x95, 0x00};
- /* put register to read in byte 1 */
- instruction[1] = reg;
- /* Send the read request */
- retval = jl2005c_write2(gspca_dev, instruction);
- if (retval < 0)
- return retval;
- retval = jl2005c_read1(gspca_dev);
-
- return retval;
-}
-
-static int jl2005c_start_new_frame(struct gspca_dev *gspca_dev)
-{
- int i;
- int retval;
- int frame_brightness = 0;
-
- static u8 instruction[2] = {0x7f, 0x01};
-
- retval = jl2005c_write2(gspca_dev, instruction);
- if (retval < 0)
- return retval;
-
- i = 0;
- while (i < 20 && !frame_brightness) {
- /* If we tried 20 times, give up. */
- retval = jl2005c_read_reg(gspca_dev, 0x7e);
- if (retval < 0)
- return retval;
- frame_brightness = gspca_dev->usb_buf[0];
- retval = jl2005c_read_reg(gspca_dev, 0x7d);
- if (retval < 0)
- return retval;
- i++;
- }
- PDEBUG(D_FRAM, "frame_brightness is 0x%02x", gspca_dev->usb_buf[0]);
- return retval;
-}
-
-static int jl2005c_write_reg(struct gspca_dev *gspca_dev, unsigned char reg,
- unsigned char value)
-{
- int retval;
- u8 instruction[2];
-
- instruction[0] = reg;
- instruction[1] = value;
-
- retval = jl2005c_write2(gspca_dev, instruction);
- if (retval < 0)
- return retval;
-
- return retval;
-}
-
-static int jl2005c_get_firmware_id(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *)gspca_dev;
- int i = 0;
- int retval = -1;
- unsigned char regs_to_read[] = {0x57, 0x02, 0x03, 0x5d, 0x5e, 0x5f};
-
- PDEBUG(D_PROBE, "Running jl2005c_get_firmware_id");
- /* Read the first ID byte once for warmup */
- retval = jl2005c_read_reg(gspca_dev, regs_to_read[0]);
- PDEBUG(D_PROBE, "response is %02x", gspca_dev->usb_buf[0]);
- if (retval < 0)
- return retval;
- /* Now actually get the ID string */
- for (i = 0; i < 6; i++) {
- retval = jl2005c_read_reg(gspca_dev, regs_to_read[i]);
- if (retval < 0)
- return retval;
- sd->firmware_id[i] = gspca_dev->usb_buf[0];
- }
- PDEBUG(D_PROBE, "firmware ID is %02x%02x%02x%02x%02x%02x",
- sd->firmware_id[0],
- sd->firmware_id[1],
- sd->firmware_id[2],
- sd->firmware_id[3],
- sd->firmware_id[4],
- sd->firmware_id[5]);
- return 0;
-}
-
-static int jl2005c_stream_start_vga_lg
- (struct gspca_dev *gspca_dev)
-{
- int i;
- int retval = -1;
- static u8 instruction[][2] = {
- {0x05, 0x00},
- {0x7c, 0x00},
- {0x7d, 0x18},
- {0x02, 0x00},
- {0x01, 0x00},
- {0x04, 0x52},
- };
-
- for (i = 0; i < ARRAY_SIZE(instruction); i++) {
- msleep(60);
- retval = jl2005c_write2(gspca_dev, instruction[i]);
- if (retval < 0)
- return retval;
- }
- msleep(60);
- return retval;
-}
-
-static int jl2005c_stream_start_vga_small(struct gspca_dev *gspca_dev)
-{
- int i;
- int retval = -1;
- static u8 instruction[][2] = {
- {0x06, 0x00},
- {0x7c, 0x00},
- {0x7d, 0x1a},
- {0x02, 0x00},
- {0x01, 0x00},
- {0x04, 0x52},
- };
-
- for (i = 0; i < ARRAY_SIZE(instruction); i++) {
- msleep(60);
- retval = jl2005c_write2(gspca_dev, instruction[i]);
- if (retval < 0)
- return retval;
- }
- msleep(60);
- return retval;
-}
-
-static int jl2005c_stream_start_cif_lg(struct gspca_dev *gspca_dev)
-{
- int i;
- int retval = -1;
- static u8 instruction[][2] = {
- {0x05, 0x00},
- {0x7c, 0x00},
- {0x7d, 0x30},
- {0x02, 0x00},
- {0x01, 0x00},
- {0x04, 0x42},
- };
-
- for (i = 0; i < ARRAY_SIZE(instruction); i++) {
- msleep(60);
- retval = jl2005c_write2(gspca_dev, instruction[i]);
- if (retval < 0)
- return retval;
- }
- msleep(60);
- return retval;
-}
-
-static int jl2005c_stream_start_cif_small(struct gspca_dev *gspca_dev)
-{
- int i;
- int retval = -1;
- static u8 instruction[][2] = {
- {0x06, 0x00},
- {0x7c, 0x00},
- {0x7d, 0x32},
- {0x02, 0x00},
- {0x01, 0x00},
- {0x04, 0x42},
- };
-
- for (i = 0; i < ARRAY_SIZE(instruction); i++) {
- msleep(60);
- retval = jl2005c_write2(gspca_dev, instruction[i]);
- if (retval < 0)
- return retval;
- }
- msleep(60);
- return retval;
-}
-
-
-static int jl2005c_stop(struct gspca_dev *gspca_dev)
-{
- int retval;
-
- retval = jl2005c_write_reg(gspca_dev, 0x07, 0x00);
- return retval;
-}
-
-/* This function is called as a workqueue function and runs whenever the camera
- * is streaming data. Because it is a workqueue function it is allowed to sleep
- * so we can use synchronous USB calls. To avoid possible collisions with other
- * threads attempting to use the camera's USB interface the gspca usb_lock is
- * used when performing the one USB control operation inside the workqueue,
- * which tells the camera to close the stream. In practice the only thing
- * which needs to be protected against is the usb_set_interface call that
- * gspca makes during stream_off. Otherwise the camera doesn't provide any
- * controls that the user could try to change.
- */
-static void jl2005c_dostream(struct work_struct *work)
-{
- struct sd *dev = container_of(work, struct sd, work_struct);
- struct gspca_dev *gspca_dev = &dev->gspca_dev;
- int bytes_left = 0; /* bytes remaining in current frame. */
- int data_len; /* size to use for the next read. */
- int header_read = 0;
- unsigned char header_sig[2] = {0x4a, 0x4c};
- int act_len;
- int packet_type;
- int ret;
- u8 *buffer;
-
- buffer = kmalloc(JL2005C_MAX_TRANSFER, GFP_KERNEL | GFP_DMA);
- if (!buffer) {
- pr_err("Couldn't allocate USB buffer\n");
- goto quit_stream;
- }
-
- while (gspca_dev->dev && gspca_dev->streaming) {
-#ifdef CONFIG_PM
- if (gspca_dev->frozen)
- break;
-#endif
- /* Check if this is a new frame. If so, start the frame first */
- if (!header_read) {
- mutex_lock(&gspca_dev->usb_lock);
- ret = jl2005c_start_new_frame(gspca_dev);
- mutex_unlock(&gspca_dev->usb_lock);
- if (ret < 0)
- goto quit_stream;
- ret = usb_bulk_msg(gspca_dev->dev,
- usb_rcvbulkpipe(gspca_dev->dev, 0x82),
- buffer, JL2005C_MAX_TRANSFER, &act_len,
- JL2005C_DATA_TIMEOUT);
- PDEBUG(D_PACK,
- "Got %d bytes out of %d for header",
- act_len, JL2005C_MAX_TRANSFER);
- if (ret < 0 || act_len < JL2005C_MAX_TRANSFER)
- goto quit_stream;
- /* Check whether we actually got the first blodk */
- if (memcmp(header_sig, buffer, 2) != 0) {
- pr_err("First block is not the first block\n");
- goto quit_stream;
- }
- /* total size to fetch is byte 7, times blocksize
- * of which we already got act_len */
- bytes_left = buffer[0x07] * dev->block_size - act_len;
- PDEBUG(D_PACK, "bytes_left = 0x%x", bytes_left);
- /* We keep the header. It has other information, too.*/
- packet_type = FIRST_PACKET;
- gspca_frame_add(gspca_dev, packet_type,
- buffer, act_len);
- header_read = 1;
- }
- while (bytes_left > 0 && gspca_dev->dev) {
- data_len = bytes_left > JL2005C_MAX_TRANSFER ?
- JL2005C_MAX_TRANSFER : bytes_left;
- ret = usb_bulk_msg(gspca_dev->dev,
- usb_rcvbulkpipe(gspca_dev->dev, 0x82),
- buffer, data_len, &act_len,
- JL2005C_DATA_TIMEOUT);
- if (ret < 0 || act_len < data_len)
- goto quit_stream;
- PDEBUG(D_PACK,
- "Got %d bytes out of %d for frame",
- data_len, bytes_left);
- bytes_left -= data_len;
- if (bytes_left == 0) {
- packet_type = LAST_PACKET;
- header_read = 0;
- } else
- packet_type = INTER_PACKET;
- gspca_frame_add(gspca_dev, packet_type,
- buffer, data_len);
- }
- }
-quit_stream:
- if (gspca_dev->dev) {
- mutex_lock(&gspca_dev->usb_lock);
- jl2005c_stop(gspca_dev);
- mutex_unlock(&gspca_dev->usb_lock);
- }
- kfree(buffer);
-}
-
-
-
-
-/* This function is called at probe time */
-static int sd_config(struct gspca_dev *gspca_dev,
- const struct usb_device_id *id)
-{
- struct cam *cam;
- struct sd *sd = (struct sd *) gspca_dev;
-
- cam = &gspca_dev->cam;
- /* We don't use the buffer gspca allocates so make it small. */
- cam->bulk_size = 64;
- cam->bulk = 1;
- /* For the rest, the camera needs to be detected */
- jl2005c_get_firmware_id(gspca_dev);
- /* Here are some known firmware IDs
- * First some JL2005B cameras
- * {0x41, 0x07, 0x04, 0x2c, 0xe8, 0xf2} Sakar KidzCam
- * {0x45, 0x02, 0x08, 0xb9, 0x00, 0xd2} No-name JL2005B
- * JL2005C cameras
- * {0x01, 0x0c, 0x16, 0x10, 0xf8, 0xc8} Argus DC-1512
- * {0x12, 0x04, 0x03, 0xc0, 0x00, 0xd8} ICarly
- * {0x86, 0x08, 0x05, 0x02, 0x00, 0xd4} Jazz
- *
- * Based upon this scanty evidence, we can detect a CIF camera by
- * testing byte 0 for 0x4x.
- */
- if ((sd->firmware_id[0] & 0xf0) == 0x40) {
- cam->cam_mode = cif_mode;
- cam->nmodes = ARRAY_SIZE(cif_mode);
- sd->block_size = 0x80;
- } else {
- cam->cam_mode = vga_mode;
- cam->nmodes = ARRAY_SIZE(vga_mode);
- sd->block_size = 0x200;
- }
-
- INIT_WORK(&sd->work_struct, jl2005c_dostream);
-
- return 0;
-}
-
-/* this function is called at probe and resume time */
-static int sd_init(struct gspca_dev *gspca_dev)
-{
- return 0;
-}
-
-static int sd_start(struct gspca_dev *gspca_dev)
-{
-
- struct sd *sd = (struct sd *) gspca_dev;
- sd->cap_mode = gspca_dev->cam.cam_mode;
-
- switch (gspca_dev->width) {
- case 640:
- PDEBUG(D_STREAM, "Start streaming at vga resolution");
- jl2005c_stream_start_vga_lg(gspca_dev);
- break;
- case 320:
- PDEBUG(D_STREAM, "Start streaming at qvga resolution");
- jl2005c_stream_start_vga_small(gspca_dev);
- break;
- case 352:
- PDEBUG(D_STREAM, "Start streaming at cif resolution");
- jl2005c_stream_start_cif_lg(gspca_dev);
- break;
- case 176:
- PDEBUG(D_STREAM, "Start streaming at qcif resolution");
- jl2005c_stream_start_cif_small(gspca_dev);
- break;
- default:
- pr_err("Unknown resolution specified\n");
- return -1;
- }
-
- /* Start the workqueue function to do the streaming */
- sd->work_thread = create_singlethread_workqueue(MODULE_NAME);
- queue_work(sd->work_thread, &sd->work_struct);
-
- return 0;
-}
-
-/* called on streamoff with alt==0 and on disconnect */
-/* the usb_lock is held at entry - restore on exit */
-static void sd_stop0(struct gspca_dev *gspca_dev)
-{
- struct sd *dev = (struct sd *) gspca_dev;
-
- /* wait for the work queue to terminate */
- mutex_unlock(&gspca_dev->usb_lock);
- /* This waits for sq905c_dostream to finish */
- destroy_workqueue(dev->work_thread);
- dev->work_thread = NULL;
- mutex_lock(&gspca_dev->usb_lock);
-}
-
-
-
-/* sub-driver description */
-static const struct sd_desc sd_desc = {
- .name = MODULE_NAME,
- .config = sd_config,
- .init = sd_init,
- .start = sd_start,
- .stop0 = sd_stop0,
-};
-
-/* -- module initialisation -- */
-static const __devinitdata struct usb_device_id device_table[] = {
- {USB_DEVICE(0x0979, 0x0227)},
- {}
-};
-MODULE_DEVICE_TABLE(usb, device_table);
-
-/* -- device connect -- */
-static int sd_probe(struct usb_interface *intf,
- const struct usb_device_id *id)
-{
- return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
- THIS_MODULE);
-}
-
-static struct usb_driver sd_driver = {
- .name = MODULE_NAME,
- .id_table = device_table,
- .probe = sd_probe,
- .disconnect = gspca_disconnect,
-#ifdef CONFIG_PM
- .suspend = gspca_suspend,
- .resume = gspca_resume,
- .reset_resume = gspca_resume,
-#endif
-};
-
-/* -- module insert / remove -- */
-static int __init sd_mod_init(void)
-{
- int ret;
-
- ret = usb_register(&sd_driver);
- if (ret < 0)
- return ret;
- return 0;
-}
-static void __exit sd_mod_exit(void)
-{
- usb_deregister(&sd_driver);
-}
-
-module_init(sd_mod_init);
-module_exit(sd_mod_exit);