Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Jeilinj subdriver |
| 3 | * |
| 4 | * Supports some Jeilin dual-mode cameras which use bulk transport and |
| 5 | * download raw JPEG data. |
| 6 | * |
| 7 | * Copyright (C) 2009 Theodore Kilgore |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 8 | * |
| 9 | * Sportscam DV15 support and control settings are |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 10 | * Copyright (C) 2011 Patrice Chotard |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License as published by |
| 14 | * the Free Software Foundation; either version 2 of the License, or |
| 15 | * any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software |
| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 25 | */ |
| 26 | |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 27 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 28 | |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 29 | #define MODULE_NAME "jeilinj" |
| 30 | |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 31 | #include <linux/slab.h> |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 32 | #include "gspca.h" |
| 33 | #include "jpeg.h" |
| 34 | |
| 35 | MODULE_AUTHOR("Theodore Kilgore <kilgota@auburn.edu>"); |
| 36 | MODULE_DESCRIPTION("GSPCA/JEILINJ USB Camera Driver"); |
| 37 | MODULE_LICENSE("GPL"); |
| 38 | |
| 39 | /* Default timeouts, in ms */ |
| 40 | #define JEILINJ_CMD_TIMEOUT 500 |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 41 | #define JEILINJ_CMD_DELAY 160 |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 42 | #define JEILINJ_DATA_TIMEOUT 1000 |
| 43 | |
| 44 | /* Maximum transfer size to use. */ |
| 45 | #define JEILINJ_MAX_TRANSFER 0x200 |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 46 | #define FRAME_HEADER_LEN 0x10 |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 47 | #define FRAME_START 0xFFFFFFFF |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 48 | |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 49 | enum { |
| 50 | SAKAR_57379, |
| 51 | SPORTSCAM_DV15, |
| 52 | }; |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 53 | |
| 54 | #define CAMQUALITY_MIN 0 /* highest cam quality */ |
| 55 | #define CAMQUALITY_MAX 97 /* lowest cam quality */ |
| 56 | |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 57 | /* Structure to hold all of our device specific stuff */ |
| 58 | struct sd { |
| 59 | struct gspca_dev gspca_dev; /* !! must be the first item */ |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 60 | int blocks_left; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 61 | const struct v4l2_pix_format *cap_mode; |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 62 | struct v4l2_ctrl *freq; |
| 63 | struct v4l2_ctrl *jpegqual; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 64 | /* Driver stuff */ |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 65 | u8 type; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 66 | u8 quality; /* image quality */ |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 67 | #define QUALITY_MIN 35 |
| 68 | #define QUALITY_MAX 85 |
| 69 | #define QUALITY_DEF 85 |
Jean-François Moine | 9a731a3 | 2010-06-04 05:26:42 -0300 | [diff] [blame] | 70 | u8 jpeg_hdr[JPEG_HDR_SZ]; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 71 | }; |
| 72 | |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 73 | struct jlj_command { |
| 74 | unsigned char instruction[2]; |
| 75 | unsigned char ack_wanted; |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 76 | unsigned char delay; |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 77 | }; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 78 | |
| 79 | /* AFAICT these cameras will only do 320x240. */ |
| 80 | static struct v4l2_pix_format jlj_mode[] = { |
| 81 | { 320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| 82 | .bytesperline = 320, |
| 83 | .sizeimage = 320 * 240, |
| 84 | .colorspace = V4L2_COLORSPACE_JPEG, |
Patrice Chotard | 6f8efcf | 2011-04-18 17:39:38 -0300 | [diff] [blame] | 85 | .priv = 0}, |
| 86 | { 640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| 87 | .bytesperline = 640, |
| 88 | .sizeimage = 640 * 480, |
| 89 | .colorspace = V4L2_COLORSPACE_JPEG, |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 90 | .priv = 0} |
| 91 | }; |
| 92 | |
| 93 | /* |
| 94 | * cam uses endpoint 0x03 to send commands, 0x84 for read commands, |
| 95 | * and 0x82 for bulk transfer. |
| 96 | */ |
| 97 | |
| 98 | /* All commands are two bytes only */ |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 99 | static void jlj_write2(struct gspca_dev *gspca_dev, unsigned char *command) |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 100 | { |
| 101 | int retval; |
| 102 | |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 103 | if (gspca_dev->usb_err < 0) |
| 104 | return; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 105 | memcpy(gspca_dev->usb_buf, command, 2); |
| 106 | retval = usb_bulk_msg(gspca_dev->dev, |
| 107 | usb_sndbulkpipe(gspca_dev->dev, 3), |
| 108 | gspca_dev->usb_buf, 2, NULL, 500); |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 109 | if (retval < 0) { |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 110 | pr_err("command write [%02x] error %d\n", |
| 111 | gspca_dev->usb_buf[0], retval); |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 112 | gspca_dev->usb_err = retval; |
| 113 | } |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | /* Responses are one byte only */ |
Mauro Carvalho Chehab | 9825f37 | 2012-10-27 14:54:01 -0300 | [diff] [blame] | 117 | static void jlj_read1(struct gspca_dev *gspca_dev, unsigned char *response) |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 118 | { |
| 119 | int retval; |
| 120 | |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 121 | if (gspca_dev->usb_err < 0) |
| 122 | return; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 123 | retval = usb_bulk_msg(gspca_dev->dev, |
| 124 | usb_rcvbulkpipe(gspca_dev->dev, 0x84), |
| 125 | gspca_dev->usb_buf, 1, NULL, 500); |
Mauro Carvalho Chehab | 9825f37 | 2012-10-27 14:54:01 -0300 | [diff] [blame] | 126 | *response = gspca_dev->usb_buf[0]; |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 127 | if (retval < 0) { |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 128 | pr_err("read command [%02x] error %d\n", |
| 129 | gspca_dev->usb_buf[0], retval); |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 130 | gspca_dev->usb_err = retval; |
| 131 | } |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 132 | } |
| 133 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 134 | static void setfreq(struct gspca_dev *gspca_dev, s32 val) |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 135 | { |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 136 | u8 freq_commands[][2] = { |
| 137 | {0x71, 0x80}, |
| 138 | {0x70, 0x07} |
| 139 | }; |
| 140 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 141 | freq_commands[0][1] |= val >> 1; |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 142 | |
| 143 | jlj_write2(gspca_dev, freq_commands[0]); |
| 144 | jlj_write2(gspca_dev, freq_commands[1]); |
| 145 | } |
| 146 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 147 | static void setcamquality(struct gspca_dev *gspca_dev, s32 val) |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 148 | { |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 149 | u8 quality_commands[][2] = { |
| 150 | {0x71, 0x1E}, |
| 151 | {0x70, 0x06} |
| 152 | }; |
| 153 | u8 camquality; |
| 154 | |
| 155 | /* adapt camera quality from jpeg quality */ |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 156 | camquality = ((QUALITY_MAX - val) * CAMQUALITY_MAX) |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 157 | / (QUALITY_MAX - QUALITY_MIN); |
| 158 | quality_commands[0][1] += camquality; |
| 159 | |
| 160 | jlj_write2(gspca_dev, quality_commands[0]); |
| 161 | jlj_write2(gspca_dev, quality_commands[1]); |
| 162 | } |
| 163 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 164 | static void setautogain(struct gspca_dev *gspca_dev, s32 val) |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 165 | { |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 166 | u8 autogain_commands[][2] = { |
| 167 | {0x94, 0x02}, |
| 168 | {0xcf, 0x00} |
| 169 | }; |
| 170 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 171 | autogain_commands[1][1] = val << 4; |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 172 | |
| 173 | jlj_write2(gspca_dev, autogain_commands[0]); |
| 174 | jlj_write2(gspca_dev, autogain_commands[1]); |
| 175 | } |
| 176 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 177 | static void setred(struct gspca_dev *gspca_dev, s32 val) |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 178 | { |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 179 | u8 setred_commands[][2] = { |
| 180 | {0x94, 0x02}, |
| 181 | {0xe6, 0x00} |
| 182 | }; |
| 183 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 184 | setred_commands[1][1] = val; |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 185 | |
| 186 | jlj_write2(gspca_dev, setred_commands[0]); |
| 187 | jlj_write2(gspca_dev, setred_commands[1]); |
| 188 | } |
| 189 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 190 | static void setgreen(struct gspca_dev *gspca_dev, s32 val) |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 191 | { |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 192 | u8 setgreen_commands[][2] = { |
| 193 | {0x94, 0x02}, |
| 194 | {0xe7, 0x00} |
| 195 | }; |
| 196 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 197 | setgreen_commands[1][1] = val; |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 198 | |
| 199 | jlj_write2(gspca_dev, setgreen_commands[0]); |
| 200 | jlj_write2(gspca_dev, setgreen_commands[1]); |
| 201 | } |
| 202 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 203 | static void setblue(struct gspca_dev *gspca_dev, s32 val) |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 204 | { |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 205 | u8 setblue_commands[][2] = { |
| 206 | {0x94, 0x02}, |
| 207 | {0xe9, 0x00} |
| 208 | }; |
| 209 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 210 | setblue_commands[1][1] = val; |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 211 | |
| 212 | jlj_write2(gspca_dev, setblue_commands[0]); |
| 213 | jlj_write2(gspca_dev, setblue_commands[1]); |
| 214 | } |
| 215 | |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 216 | static int jlj_start(struct gspca_dev *gspca_dev) |
| 217 | { |
| 218 | int i; |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 219 | int start_commands_size; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 220 | u8 response = 0xff; |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 221 | struct sd *sd = (struct sd *) gspca_dev; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 222 | struct jlj_command start_commands[] = { |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 223 | {{0x71, 0x81}, 0, 0}, |
| 224 | {{0x70, 0x05}, 0, JEILINJ_CMD_DELAY}, |
| 225 | {{0x95, 0x70}, 1, 0}, |
| 226 | {{0x71, 0x81 - gspca_dev->curr_mode}, 0, 0}, |
| 227 | {{0x70, 0x04}, 0, JEILINJ_CMD_DELAY}, |
| 228 | {{0x95, 0x70}, 1, 0}, |
| 229 | {{0x71, 0x00}, 0, 0}, /* start streaming ??*/ |
| 230 | {{0x70, 0x08}, 0, JEILINJ_CMD_DELAY}, |
| 231 | {{0x95, 0x70}, 1, 0}, |
| 232 | #define SPORTSCAM_DV15_CMD_SIZE 9 |
| 233 | {{0x94, 0x02}, 0, 0}, |
| 234 | {{0xde, 0x24}, 0, 0}, |
| 235 | {{0x94, 0x02}, 0, 0}, |
| 236 | {{0xdd, 0xf0}, 0, 0}, |
| 237 | {{0x94, 0x02}, 0, 0}, |
| 238 | {{0xe3, 0x2c}, 0, 0}, |
| 239 | {{0x94, 0x02}, 0, 0}, |
| 240 | {{0xe4, 0x00}, 0, 0}, |
| 241 | {{0x94, 0x02}, 0, 0}, |
| 242 | {{0xe5, 0x00}, 0, 0}, |
| 243 | {{0x94, 0x02}, 0, 0}, |
| 244 | {{0xe6, 0x2c}, 0, 0}, |
| 245 | {{0x94, 0x03}, 0, 0}, |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 246 | {{0xaa, 0x00}, 0, 0} |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 247 | }; |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 248 | |
| 249 | sd->blocks_left = 0; |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 250 | /* Under Windows, USB spy shows that only the 9 first start |
| 251 | * commands are used for SPORTSCAM_DV15 webcam |
| 252 | */ |
| 253 | if (sd->type == SPORTSCAM_DV15) |
| 254 | start_commands_size = SPORTSCAM_DV15_CMD_SIZE; |
| 255 | else |
| 256 | start_commands_size = ARRAY_SIZE(start_commands); |
| 257 | |
| 258 | for (i = 0; i < start_commands_size; i++) { |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 259 | jlj_write2(gspca_dev, start_commands[i].instruction); |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 260 | if (start_commands[i].delay) |
| 261 | msleep(start_commands[i].delay); |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 262 | if (start_commands[i].ack_wanted) |
Mauro Carvalho Chehab | 9825f37 | 2012-10-27 14:54:01 -0300 | [diff] [blame] | 263 | jlj_read1(gspca_dev, &response); |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 264 | } |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 265 | setcamquality(gspca_dev, v4l2_ctrl_g_ctrl(sd->jpegqual)); |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 266 | msleep(2); |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 267 | setfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->freq)); |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 268 | if (gspca_dev->usb_err < 0) |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 269 | PERR("Start streaming command failed"); |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 270 | return gspca_dev->usb_err; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 271 | } |
| 272 | |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 273 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
| 274 | u8 *data, int len) |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 275 | { |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 276 | struct sd *sd = (struct sd *) gspca_dev; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 277 | int packet_type; |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 278 | u32 header_marker; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 279 | |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 280 | PDEBUG(D_STREAM, "Got %d bytes out of %d for Block 0", |
| 281 | len, JEILINJ_MAX_TRANSFER); |
| 282 | if (len != JEILINJ_MAX_TRANSFER) { |
| 283 | PDEBUG(D_PACK, "bad length"); |
| 284 | goto discard; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 285 | } |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 286 | /* check if it's start of frame */ |
| 287 | header_marker = ((u32 *)data)[0]; |
| 288 | if (header_marker == FRAME_START) { |
| 289 | sd->blocks_left = data[0x0a] - 1; |
| 290 | PDEBUG(D_STREAM, "blocks_left = 0x%x", sd->blocks_left); |
Hans de Goede | 6ca3f25 | 2009-10-09 03:58:35 -0300 | [diff] [blame] | 291 | /* Start a new frame, and add the JPEG header, first thing */ |
Jean-Francois Moine | 76dd272 | 2009-11-13 09:21:03 -0300 | [diff] [blame] | 292 | gspca_frame_add(gspca_dev, FIRST_PACKET, |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 293 | sd->jpeg_hdr, JPEG_HDR_SZ); |
Jean-Francois Moine | 76dd272 | 2009-11-13 09:21:03 -0300 | [diff] [blame] | 294 | /* Toss line 0 of data block 0, keep the rest. */ |
| 295 | gspca_frame_add(gspca_dev, INTER_PACKET, |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 296 | data + FRAME_HEADER_LEN, |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 297 | JEILINJ_MAX_TRANSFER - FRAME_HEADER_LEN); |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 298 | } else if (sd->blocks_left > 0) { |
| 299 | PDEBUG(D_STREAM, "%d blocks remaining for frame", |
| 300 | sd->blocks_left); |
| 301 | sd->blocks_left -= 1; |
| 302 | if (sd->blocks_left == 0) |
| 303 | packet_type = LAST_PACKET; |
| 304 | else |
| 305 | packet_type = INTER_PACKET; |
| 306 | gspca_frame_add(gspca_dev, packet_type, |
| 307 | data, JEILINJ_MAX_TRANSFER); |
| 308 | } else |
| 309 | goto discard; |
| 310 | return; |
| 311 | discard: |
| 312 | /* Discard data until a new frame starts. */ |
| 313 | gspca_dev->last_packet_type = DISCARD_PACKET; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | /* This function is called at probe time just before sd_init */ |
| 317 | static int sd_config(struct gspca_dev *gspca_dev, |
| 318 | const struct usb_device_id *id) |
| 319 | { |
| 320 | struct cam *cam = &gspca_dev->cam; |
| 321 | struct sd *dev = (struct sd *) gspca_dev; |
| 322 | |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 323 | dev->type = id->driver_info; |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 324 | dev->quality = QUALITY_DEF; |
Jean-François Moine | 7d84a17 | 2011-07-03 07:27:24 -0300 | [diff] [blame] | 325 | |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 326 | cam->cam_mode = jlj_mode; |
Patrice Chotard | 6f8efcf | 2011-04-18 17:39:38 -0300 | [diff] [blame] | 327 | cam->nmodes = ARRAY_SIZE(jlj_mode); |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 328 | cam->bulk = 1; |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 329 | cam->bulk_nurbs = 1; |
| 330 | cam->bulk_size = JEILINJ_MAX_TRANSFER; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 331 | return 0; |
| 332 | } |
| 333 | |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 334 | static void sd_stopN(struct gspca_dev *gspca_dev) |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 335 | { |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 336 | int i; |
| 337 | u8 *buf; |
Jean-François Moine | 7d84a17 | 2011-07-03 07:27:24 -0300 | [diff] [blame] | 338 | static u8 stop_commands[][2] = { |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 339 | {0x71, 0x00}, |
| 340 | {0x70, 0x09}, |
| 341 | {0x71, 0x80}, |
| 342 | {0x70, 0x05} |
| 343 | }; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 344 | |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 345 | for (;;) { |
| 346 | /* get the image remaining blocks */ |
| 347 | usb_bulk_msg(gspca_dev->dev, |
| 348 | gspca_dev->urb[0]->pipe, |
| 349 | gspca_dev->urb[0]->transfer_buffer, |
| 350 | JEILINJ_MAX_TRANSFER, NULL, |
| 351 | JEILINJ_DATA_TIMEOUT); |
| 352 | |
| 353 | /* search for 0xff 0xd9 (EOF for JPEG) */ |
| 354 | i = 0; |
| 355 | buf = gspca_dev->urb[0]->transfer_buffer; |
| 356 | while ((i < (JEILINJ_MAX_TRANSFER - 1)) && |
| 357 | ((buf[i] != 0xff) || (buf[i+1] != 0xd9))) |
| 358 | i++; |
| 359 | |
| 360 | if (i != (JEILINJ_MAX_TRANSFER - 1)) |
| 361 | /* last remaining block found */ |
| 362 | break; |
| 363 | } |
| 364 | |
| 365 | for (i = 0; i < ARRAY_SIZE(stop_commands); i++) |
| 366 | jlj_write2(gspca_dev, stop_commands[i]); |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | /* this function is called at probe and resume time */ |
| 370 | static int sd_init(struct gspca_dev *gspca_dev) |
| 371 | { |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 372 | return gspca_dev->usb_err; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | /* Set up for getting frames. */ |
| 376 | static int sd_start(struct gspca_dev *gspca_dev) |
| 377 | { |
| 378 | struct sd *dev = (struct sd *) gspca_dev; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 379 | |
| 380 | /* create the JPEG header */ |
Ondrej Zary | 1966bc2 | 2013-08-30 17:54:23 -0300 | [diff] [blame] | 381 | jpeg_define(dev->jpeg_hdr, gspca_dev->pixfmt.height, |
| 382 | gspca_dev->pixfmt.width, |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 383 | 0x21); /* JPEG 422 */ |
| 384 | jpeg_set_qual(dev->jpeg_hdr, dev->quality); |
Patrice Chotard | 6f8efcf | 2011-04-18 17:39:38 -0300 | [diff] [blame] | 385 | PDEBUG(D_STREAM, "Start streaming at %dx%d", |
Ondrej Zary | 1966bc2 | 2013-08-30 17:54:23 -0300 | [diff] [blame] | 386 | gspca_dev->pixfmt.height, gspca_dev->pixfmt.width); |
Patrice Chotard | 8715b16 | 2011-04-18 17:38:37 -0300 | [diff] [blame] | 387 | jlj_start(gspca_dev); |
| 388 | return gspca_dev->usb_err; |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | /* Table of supported USB devices */ |
Jean-François Moine | 95c967c | 2011-01-13 05:20:29 -0300 | [diff] [blame] | 392 | static const struct usb_device_id device_table[] = { |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 393 | {USB_DEVICE(0x0979, 0x0280), .driver_info = SAKAR_57379}, |
| 394 | {USB_DEVICE(0x0979, 0x0270), .driver_info = SPORTSCAM_DV15}, |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 395 | {} |
| 396 | }; |
| 397 | |
| 398 | MODULE_DEVICE_TABLE(usb, device_table); |
| 399 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 400 | static int sd_s_ctrl(struct v4l2_ctrl *ctrl) |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 401 | { |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 402 | struct gspca_dev *gspca_dev = |
| 403 | container_of(ctrl->handler, struct gspca_dev, ctrl_handler); |
| 404 | struct sd *sd = (struct sd *)gspca_dev; |
| 405 | |
| 406 | gspca_dev->usb_err = 0; |
| 407 | |
| 408 | if (!gspca_dev->streaming) |
| 409 | return 0; |
| 410 | |
| 411 | switch (ctrl->id) { |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 412 | case V4L2_CID_POWER_LINE_FREQUENCY: |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 413 | setfreq(gspca_dev, ctrl->val); |
| 414 | break; |
| 415 | case V4L2_CID_RED_BALANCE: |
| 416 | setred(gspca_dev, ctrl->val); |
| 417 | break; |
| 418 | case V4L2_CID_GAIN: |
| 419 | setgreen(gspca_dev, ctrl->val); |
| 420 | break; |
| 421 | case V4L2_CID_BLUE_BALANCE: |
| 422 | setblue(gspca_dev, ctrl->val); |
| 423 | break; |
| 424 | case V4L2_CID_AUTOGAIN: |
| 425 | setautogain(gspca_dev, ctrl->val); |
| 426 | break; |
| 427 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
| 428 | jpeg_set_qual(sd->jpeg_hdr, ctrl->val); |
| 429 | setcamquality(gspca_dev, ctrl->val); |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 430 | break; |
| 431 | } |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 432 | return gspca_dev->usb_err; |
| 433 | } |
| 434 | |
| 435 | static const struct v4l2_ctrl_ops sd_ctrl_ops = { |
| 436 | .s_ctrl = sd_s_ctrl, |
| 437 | }; |
| 438 | |
| 439 | static int sd_init_controls(struct gspca_dev *gspca_dev) |
| 440 | { |
| 441 | struct sd *sd = (struct sd *)gspca_dev; |
| 442 | struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; |
| 443 | static const struct v4l2_ctrl_config custom_autogain = { |
| 444 | .ops = &sd_ctrl_ops, |
| 445 | .id = V4L2_CID_AUTOGAIN, |
| 446 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 447 | .name = "Automatic Gain (and Exposure)", |
| 448 | .max = 3, |
| 449 | .step = 1, |
| 450 | .def = 0, |
| 451 | }; |
| 452 | |
| 453 | gspca_dev->vdev.ctrl_handler = hdl; |
| 454 | v4l2_ctrl_handler_init(hdl, 6); |
| 455 | sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, |
| 456 | V4L2_CID_POWER_LINE_FREQUENCY, |
| 457 | V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 1, |
| 458 | V4L2_CID_POWER_LINE_FREQUENCY_60HZ); |
| 459 | v4l2_ctrl_new_custom(hdl, &custom_autogain, NULL); |
| 460 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 461 | V4L2_CID_RED_BALANCE, 0, 3, 1, 2); |
| 462 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 463 | V4L2_CID_GAIN, 0, 3, 1, 2); |
| 464 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 465 | V4L2_CID_BLUE_BALANCE, 0, 3, 1, 2); |
| 466 | sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 467 | V4L2_CID_JPEG_COMPRESSION_QUALITY, |
| 468 | QUALITY_MIN, QUALITY_MAX, 1, QUALITY_DEF); |
| 469 | |
| 470 | if (hdl->error) { |
| 471 | pr_err("Could not initialize controls\n"); |
| 472 | return hdl->error; |
| 473 | } |
| 474 | return 0; |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 475 | } |
| 476 | |
| 477 | static int sd_set_jcomp(struct gspca_dev *gspca_dev, |
Hans Verkuil | d88aab5 | 2012-09-17 05:05:25 -0300 | [diff] [blame] | 478 | const struct v4l2_jpegcompression *jcomp) |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 479 | { |
| 480 | struct sd *sd = (struct sd *) gspca_dev; |
| 481 | |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 482 | v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality); |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 483 | return 0; |
| 484 | } |
| 485 | |
| 486 | static int sd_get_jcomp(struct gspca_dev *gspca_dev, |
| 487 | struct v4l2_jpegcompression *jcomp) |
| 488 | { |
| 489 | struct sd *sd = (struct sd *) gspca_dev; |
| 490 | |
| 491 | memset(jcomp, 0, sizeof *jcomp); |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 492 | jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual); |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 493 | jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT |
| 494 | | V4L2_JPEG_MARKER_DQT; |
| 495 | return 0; |
| 496 | } |
| 497 | |
| 498 | |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 499 | /* sub-driver description */ |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 500 | static const struct sd_desc sd_desc_sakar_57379 = { |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 501 | .name = MODULE_NAME, |
| 502 | .config = sd_config, |
| 503 | .init = sd_init, |
| 504 | .start = sd_start, |
Patrice Chotard | c3d8692 | 2011-04-18 17:37:06 -0300 | [diff] [blame] | 505 | .stopN = sd_stopN, |
| 506 | .pkt_scan = sd_pkt_scan, |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 507 | }; |
| 508 | |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 509 | /* sub-driver description */ |
| 510 | static const struct sd_desc sd_desc_sportscam_dv15 = { |
| 511 | .name = MODULE_NAME, |
| 512 | .config = sd_config, |
| 513 | .init = sd_init, |
Hans Verkuil | bfaab89 | 2012-05-14 06:30:06 -0300 | [diff] [blame] | 514 | .init_controls = sd_init_controls, |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 515 | .start = sd_start, |
| 516 | .stopN = sd_stopN, |
| 517 | .pkt_scan = sd_pkt_scan, |
Patrice Chotard | 5396e62 | 2011-04-18 17:42:06 -0300 | [diff] [blame] | 518 | .get_jcomp = sd_get_jcomp, |
| 519 | .set_jcomp = sd_set_jcomp, |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 520 | }; |
| 521 | |
| 522 | static const struct sd_desc *sd_desc[2] = { |
| 523 | &sd_desc_sakar_57379, |
| 524 | &sd_desc_sportscam_dv15 |
| 525 | }; |
| 526 | |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 527 | /* -- device connect -- */ |
| 528 | static int sd_probe(struct usb_interface *intf, |
| 529 | const struct usb_device_id *id) |
| 530 | { |
| 531 | return gspca_dev_probe(intf, id, |
Patrice Chotard | 713b466 | 2011-04-18 17:40:54 -0300 | [diff] [blame] | 532 | sd_desc[id->driver_info], |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 533 | sizeof(struct sd), |
| 534 | THIS_MODULE); |
| 535 | } |
| 536 | |
| 537 | static struct usb_driver sd_driver = { |
| 538 | .name = MODULE_NAME, |
| 539 | .id_table = device_table, |
| 540 | .probe = sd_probe, |
| 541 | .disconnect = gspca_disconnect, |
| 542 | #ifdef CONFIG_PM |
| 543 | .suspend = gspca_suspend, |
| 544 | .resume = gspca_resume, |
Hans de Goede | 8bb5896 | 2012-06-30 06:44:47 -0300 | [diff] [blame] | 545 | .reset_resume = gspca_resume, |
Theodore Kilgore | 3040b04 | 2009-08-03 04:13:23 -0300 | [diff] [blame] | 546 | #endif |
| 547 | }; |
| 548 | |
Greg Kroah-Hartman | ecb3b2b | 2011-11-18 09:46:12 -0800 | [diff] [blame] | 549 | module_usb_driver(sd_driver); |