Thomas Gleixner | fd9871f | 2019-05-19 15:51:54 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 2 | /* |
| 3 | * Syntek DV4000 (STK014) subdriver |
| 4 | * |
Jean-Francois Moine | d43fa32 | 2008-06-12 10:58:58 -0300 | [diff] [blame] | 5 | * Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 6 | */ |
| 7 | |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 8 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 9 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 10 | #define MODULE_NAME "stk014" |
| 11 | |
| 12 | #include "gspca.h" |
| 13 | #include "jpeg.h" |
| 14 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 15 | MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>"); |
| 16 | MODULE_DESCRIPTION("Syntek DV4000 (STK014) USB Camera Driver"); |
| 17 | MODULE_LICENSE("GPL"); |
| 18 | |
Hans de Goede | b56ab4c | 2012-06-27 16:48:33 -0300 | [diff] [blame] | 19 | #define QUALITY 50 |
| 20 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 21 | /* specific webcam descriptor */ |
| 22 | struct sd { |
| 23 | struct gspca_dev gspca_dev; /* !! must be the first item */ |
Jean-François Moine | 9a731a3 | 2010-06-04 05:26:42 -0300 | [diff] [blame] | 24 | u8 jpeg_hdr[JPEG_HDR_SZ]; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 25 | }; |
| 26 | |
Jean-Francois Moine | cc611b8 | 2008-12-29 07:49:41 -0300 | [diff] [blame] | 27 | static const struct v4l2_pix_format vga_mode[] = { |
Jean-Francois Moine | c2446b3 | 2008-07-05 11:49:20 -0300 | [diff] [blame] | 28 | {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| 29 | .bytesperline = 320, |
| 30 | .sizeimage = 320 * 240 * 3 / 8 + 590, |
| 31 | .colorspace = V4L2_COLORSPACE_JPEG, |
| 32 | .priv = 1}, |
| 33 | {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| 34 | .bytesperline = 640, |
| 35 | .sizeimage = 640 * 480 * 3 / 8 + 590, |
| 36 | .colorspace = V4L2_COLORSPACE_JPEG, |
| 37 | .priv = 0}, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 38 | }; |
| 39 | |
| 40 | /* -- read a register -- */ |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 41 | static u8 reg_r(struct gspca_dev *gspca_dev, |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 42 | __u16 index) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 43 | { |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 44 | struct usb_device *dev = gspca_dev->dev; |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 45 | int ret; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 46 | |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 47 | if (gspca_dev->usb_err < 0) |
| 48 | return 0; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 49 | ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), |
| 50 | 0x00, |
| 51 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 52 | 0x00, |
| 53 | index, |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 54 | gspca_dev->usb_buf, 1, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 55 | 500); |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 56 | if (ret < 0) { |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 57 | pr_err("reg_r err %d\n", ret); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 58 | gspca_dev->usb_err = ret; |
| 59 | return 0; |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 60 | } |
| 61 | return gspca_dev->usb_buf[0]; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | /* -- write a register -- */ |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 65 | static void reg_w(struct gspca_dev *gspca_dev, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 66 | __u16 index, __u16 value) |
| 67 | { |
| 68 | struct usb_device *dev = gspca_dev->dev; |
| 69 | int ret; |
| 70 | |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 71 | if (gspca_dev->usb_err < 0) |
| 72 | return; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 73 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
| 74 | 0x01, |
| 75 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 76 | value, |
| 77 | index, |
| 78 | NULL, |
| 79 | 0, |
| 80 | 500); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 81 | if (ret < 0) { |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 82 | pr_err("reg_w err %d\n", ret); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 83 | gspca_dev->usb_err = ret; |
| 84 | } |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 85 | } |
| 86 | |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 87 | /* -- get a bulk value (4 bytes) -- */ |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 88 | static void rcv_val(struct gspca_dev *gspca_dev, |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 89 | int ads) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 90 | { |
| 91 | struct usb_device *dev = gspca_dev->dev; |
| 92 | int alen, ret; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 93 | |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 94 | reg_w(gspca_dev, 0x634, (ads >> 16) & 0xff); |
| 95 | reg_w(gspca_dev, 0x635, (ads >> 8) & 0xff); |
| 96 | reg_w(gspca_dev, 0x636, ads & 0xff); |
| 97 | reg_w(gspca_dev, 0x637, 0); |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 98 | reg_w(gspca_dev, 0x638, 4); /* len & 0xff */ |
| 99 | reg_w(gspca_dev, 0x639, 0); /* len >> 8 */ |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 100 | reg_w(gspca_dev, 0x63a, 0); |
| 101 | reg_w(gspca_dev, 0x63b, 0); |
| 102 | reg_w(gspca_dev, 0x630, 5); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 103 | if (gspca_dev->usb_err < 0) |
| 104 | return; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 105 | ret = usb_bulk_msg(dev, |
Jean-Francois Moine | 50e06de | 2008-12-31 08:13:46 -0300 | [diff] [blame] | 106 | usb_rcvbulkpipe(dev, 0x05), |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 107 | gspca_dev->usb_buf, |
| 108 | 4, /* length */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 109 | &alen, |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 110 | 500); /* timeout in milliseconds */ |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 111 | if (ret < 0) { |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 112 | pr_err("rcv_val err %d\n", ret); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 113 | gspca_dev->usb_err = ret; |
| 114 | } |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 115 | } |
| 116 | |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 117 | /* -- send a bulk value -- */ |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 118 | static void snd_val(struct gspca_dev *gspca_dev, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 119 | int ads, |
| 120 | unsigned int val) |
| 121 | { |
| 122 | struct usb_device *dev = gspca_dev->dev; |
| 123 | int alen, ret; |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 124 | __u8 seq = 0; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 125 | |
| 126 | if (ads == 0x003f08) { |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 127 | reg_r(gspca_dev, 0x0704); |
| 128 | seq = reg_r(gspca_dev, 0x0705); |
| 129 | reg_r(gspca_dev, 0x0650); |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 130 | reg_w(gspca_dev, 0x654, seq); |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 131 | } else { |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 132 | reg_w(gspca_dev, 0x654, (ads >> 16) & 0xff); |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 133 | } |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 134 | reg_w(gspca_dev, 0x655, (ads >> 8) & 0xff); |
| 135 | reg_w(gspca_dev, 0x656, ads & 0xff); |
| 136 | reg_w(gspca_dev, 0x657, 0); |
| 137 | reg_w(gspca_dev, 0x658, 0x04); /* size */ |
| 138 | reg_w(gspca_dev, 0x659, 0); |
| 139 | reg_w(gspca_dev, 0x65a, 0); |
| 140 | reg_w(gspca_dev, 0x65b, 0); |
| 141 | reg_w(gspca_dev, 0x650, 5); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 142 | if (gspca_dev->usb_err < 0) |
| 143 | return; |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 144 | gspca_dev->usb_buf[0] = val >> 24; |
| 145 | gspca_dev->usb_buf[1] = val >> 16; |
| 146 | gspca_dev->usb_buf[2] = val >> 8; |
| 147 | gspca_dev->usb_buf[3] = val; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 148 | ret = usb_bulk_msg(dev, |
| 149 | usb_sndbulkpipe(dev, 6), |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 150 | gspca_dev->usb_buf, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 151 | 4, |
| 152 | &alen, |
| 153 | 500); /* timeout in milliseconds */ |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 154 | if (ret < 0) { |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 155 | pr_err("snd_val err %d\n", ret); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 156 | gspca_dev->usb_err = ret; |
| 157 | } else { |
| 158 | if (ads == 0x003f08) { |
| 159 | seq += 4; |
| 160 | seq &= 0x3f; |
| 161 | reg_w(gspca_dev, 0x705, seq); |
| 162 | } |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 163 | } |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | /* set a camera parameter */ |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 167 | static void set_par(struct gspca_dev *gspca_dev, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 168 | int parval) |
| 169 | { |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 170 | snd_val(gspca_dev, 0x003f08, parval); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 171 | } |
| 172 | |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 173 | static void setbrightness(struct gspca_dev *gspca_dev, s32 val) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 174 | { |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 175 | int parval; |
| 176 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 177 | parval = 0x06000000 /* whiteness */ |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 178 | + (val << 16); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 179 | set_par(gspca_dev, parval); |
| 180 | } |
| 181 | |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 182 | static void setcontrast(struct gspca_dev *gspca_dev, s32 val) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 183 | { |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 184 | int parval; |
| 185 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 186 | parval = 0x07000000 /* contrast */ |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 187 | + (val << 16); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 188 | set_par(gspca_dev, parval); |
| 189 | } |
| 190 | |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 191 | static void setcolors(struct gspca_dev *gspca_dev, s32 val) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 192 | { |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 193 | int parval; |
| 194 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 195 | parval = 0x08000000 /* saturation */ |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 196 | + (val << 16); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 197 | set_par(gspca_dev, parval); |
| 198 | } |
| 199 | |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 200 | static void setlightfreq(struct gspca_dev *gspca_dev, s32 val) |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 201 | { |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 202 | set_par(gspca_dev, val == 1 |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 203 | ? 0x33640000 /* 50 Hz */ |
| 204 | : 0x33780000); /* 60 Hz */ |
| 205 | } |
| 206 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 207 | /* this function is called at probe time */ |
| 208 | static int sd_config(struct gspca_dev *gspca_dev, |
| 209 | const struct usb_device_id *id) |
| 210 | { |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 211 | gspca_dev->cam.cam_mode = vga_mode; |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 212 | gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 213 | return 0; |
| 214 | } |
| 215 | |
Jean-Francois Moine | 012d6b0 | 2008-09-03 17:12:16 -0300 | [diff] [blame] | 216 | /* this function is called at probe and resume time */ |
| 217 | static int sd_init(struct gspca_dev *gspca_dev) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 218 | { |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 219 | u8 ret; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 220 | |
| 221 | /* check if the device responds */ |
| 222 | usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 223 | ret = reg_r(gspca_dev, 0x0740); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 224 | if (gspca_dev->usb_err >= 0) { |
| 225 | if (ret != 0xff) { |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 226 | pr_err("init reg: 0x%02x\n", ret); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 227 | gspca_dev->usb_err = -EIO; |
| 228 | } |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 229 | } |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 230 | return gspca_dev->usb_err; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | /* -- start the camera -- */ |
Jean-Francois Moine | 72ab97c | 2008-09-20 06:39:08 -0300 | [diff] [blame] | 234 | static int sd_start(struct gspca_dev *gspca_dev) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 235 | { |
Jean-Francois Moine | 71cb276 | 2009-03-03 05:33:41 -0300 | [diff] [blame] | 236 | struct sd *sd = (struct sd *) gspca_dev; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 237 | int ret, value; |
| 238 | |
Jean-Francois Moine | 71cb276 | 2009-03-03 05:33:41 -0300 | [diff] [blame] | 239 | /* create the JPEG header */ |
Ondrej Zary | 1966bc2 | 2013-08-30 17:54:23 -0300 | [diff] [blame] | 240 | jpeg_define(sd->jpeg_hdr, gspca_dev->pixfmt.height, |
| 241 | gspca_dev->pixfmt.width, |
Jean-Francois Moine | 71cb276 | 2009-03-03 05:33:41 -0300 | [diff] [blame] | 242 | 0x22); /* JPEG 411 */ |
Hans de Goede | b56ab4c | 2012-06-27 16:48:33 -0300 | [diff] [blame] | 243 | jpeg_set_qual(sd->jpeg_hdr, QUALITY); |
Jean-Francois Moine | 71cb276 | 2009-03-03 05:33:41 -0300 | [diff] [blame] | 244 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 245 | /* work on alternate 1 */ |
| 246 | usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); |
| 247 | |
| 248 | set_par(gspca_dev, 0x10000000); |
| 249 | set_par(gspca_dev, 0x00000000); |
| 250 | set_par(gspca_dev, 0x8002e001); |
| 251 | set_par(gspca_dev, 0x14000000); |
Ondrej Zary | 1966bc2 | 2013-08-30 17:54:23 -0300 | [diff] [blame] | 252 | if (gspca_dev->pixfmt.width > 320) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 253 | value = 0x8002e001; /* 640x480 */ |
| 254 | else |
| 255 | value = 0x4001f000; /* 320x240 */ |
| 256 | set_par(gspca_dev, value); |
| 257 | ret = usb_set_interface(gspca_dev->dev, |
| 258 | gspca_dev->iface, |
| 259 | gspca_dev->alt); |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 260 | if (ret < 0) { |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 261 | pr_err("set intf %d %d failed\n", |
| 262 | gspca_dev->iface, gspca_dev->alt); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 263 | gspca_dev->usb_err = ret; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 264 | goto out; |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 265 | } |
Mauro Carvalho Chehab | e2f233d | 2015-04-29 15:06:20 -0300 | [diff] [blame] | 266 | reg_r(gspca_dev, 0x0630); |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 267 | rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */ |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 268 | reg_r(gspca_dev, 0x0650); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 269 | snd_val(gspca_dev, 0x000020, 0xffffffff); |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 270 | reg_w(gspca_dev, 0x0620, 0); |
| 271 | reg_w(gspca_dev, 0x0630, 0); |
| 272 | reg_w(gspca_dev, 0x0640, 0); |
| 273 | reg_w(gspca_dev, 0x0650, 0); |
| 274 | reg_w(gspca_dev, 0x0660, 0); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 275 | set_par(gspca_dev, 0x09800000); /* Red ? */ |
| 276 | set_par(gspca_dev, 0x0a800000); /* Green ? */ |
| 277 | set_par(gspca_dev, 0x0b800000); /* Blue ? */ |
| 278 | set_par(gspca_dev, 0x0d030000); /* Gamma ? */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 279 | |
| 280 | /* start the video flow */ |
| 281 | set_par(gspca_dev, 0x01000000); |
| 282 | set_par(gspca_dev, 0x01000000); |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 283 | if (gspca_dev->usb_err >= 0) |
Joe Perches | 37d5efb | 2017-09-22 15:20:33 -0400 | [diff] [blame] | 284 | gspca_dbg(gspca_dev, D_STREAM, "camera started alt: 0x%02x\n", |
| 285 | gspca_dev->alt); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 286 | out: |
Jean-Francois Moine | ecb7768 | 2009-12-02 14:39:53 -0300 | [diff] [blame] | 287 | return gspca_dev->usb_err; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | static void sd_stopN(struct gspca_dev *gspca_dev) |
| 291 | { |
| 292 | struct usb_device *dev = gspca_dev->dev; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 293 | |
| 294 | set_par(gspca_dev, 0x02000000); |
| 295 | set_par(gspca_dev, 0x02000000); |
| 296 | usb_set_interface(dev, gspca_dev->iface, 1); |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 297 | reg_r(gspca_dev, 0x0630); |
| 298 | rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */ |
| 299 | reg_r(gspca_dev, 0x0650); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 300 | snd_val(gspca_dev, 0x000020, 0xffffffff); |
Jean-Francois Moine | 6a7eba2 | 2008-06-30 15:50:11 -0300 | [diff] [blame] | 301 | reg_w(gspca_dev, 0x0620, 0); |
| 302 | reg_w(gspca_dev, 0x0630, 0); |
| 303 | reg_w(gspca_dev, 0x0640, 0); |
| 304 | reg_w(gspca_dev, 0x0650, 0); |
| 305 | reg_w(gspca_dev, 0x0660, 0); |
Joe Perches | 37d5efb | 2017-09-22 15:20:33 -0400 | [diff] [blame] | 306 | gspca_dbg(gspca_dev, D_STREAM, "camera stopped\n"); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 307 | } |
| 308 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 309 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
Jean-Francois Moine | 76dd272 | 2009-11-13 09:21:03 -0300 | [diff] [blame] | 310 | u8 *data, /* isoc packet */ |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 311 | int len) /* iso packet length */ |
| 312 | { |
Jean-Francois Moine | 71cb276 | 2009-03-03 05:33:41 -0300 | [diff] [blame] | 313 | struct sd *sd = (struct sd *) gspca_dev; |
Jean-Francois Moine | 4aa0d03 | 2008-05-04 06:46:21 -0300 | [diff] [blame] | 314 | static unsigned char ffd9[] = {0xff, 0xd9}; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 315 | |
| 316 | /* a frame starts with: |
| 317 | * - 0xff 0xfe |
Jean-Francois Moine | d43fa32 | 2008-06-12 10:58:58 -0300 | [diff] [blame] | 318 | * - 0x08 0x00 - length (little endian ?!) |
| 319 | * - 4 bytes = size of whole frame (BE - including header) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 320 | * - 0x00 0x0c |
| 321 | * - 0xff 0xd8 |
| 322 | * - .. JPEG image with escape sequences (ff 00) |
Jean-Francois Moine | d43fa32 | 2008-06-12 10:58:58 -0300 | [diff] [blame] | 323 | * (without ending - ff d9) |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 324 | */ |
| 325 | if (data[0] == 0xff && data[1] == 0xfe) { |
Jean-Francois Moine | 76dd272 | 2009-11-13 09:21:03 -0300 | [diff] [blame] | 326 | gspca_frame_add(gspca_dev, LAST_PACKET, |
| 327 | ffd9, 2); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 328 | |
Jean-Francois Moine | d43fa32 | 2008-06-12 10:58:58 -0300 | [diff] [blame] | 329 | /* put the JPEG 411 header */ |
Jean-Francois Moine | 76dd272 | 2009-11-13 09:21:03 -0300 | [diff] [blame] | 330 | gspca_frame_add(gspca_dev, FIRST_PACKET, |
Jean-Francois Moine | 71cb276 | 2009-03-03 05:33:41 -0300 | [diff] [blame] | 331 | sd->jpeg_hdr, JPEG_HDR_SZ); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 332 | |
| 333 | /* beginning of the frame */ |
| 334 | #define STKHDRSZ 12 |
Jean-Francois Moine | 8843765 | 2008-11-24 06:28:58 -0300 | [diff] [blame] | 335 | data += STKHDRSZ; |
| 336 | len -= STKHDRSZ; |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 337 | } |
Jean-Francois Moine | 76dd272 | 2009-11-13 09:21:03 -0300 | [diff] [blame] | 338 | gspca_frame_add(gspca_dev, INTER_PACKET, data, len); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 339 | } |
| 340 | |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 341 | static int sd_s_ctrl(struct v4l2_ctrl *ctrl) |
| 342 | { |
| 343 | struct gspca_dev *gspca_dev = |
| 344 | container_of(ctrl->handler, struct gspca_dev, ctrl_handler); |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 345 | |
| 346 | gspca_dev->usb_err = 0; |
| 347 | |
| 348 | if (!gspca_dev->streaming) |
| 349 | return 0; |
| 350 | |
| 351 | switch (ctrl->id) { |
| 352 | case V4L2_CID_BRIGHTNESS: |
| 353 | setbrightness(gspca_dev, ctrl->val); |
| 354 | break; |
| 355 | case V4L2_CID_CONTRAST: |
| 356 | setcontrast(gspca_dev, ctrl->val); |
| 357 | break; |
| 358 | case V4L2_CID_SATURATION: |
| 359 | setcolors(gspca_dev, ctrl->val); |
| 360 | break; |
| 361 | case V4L2_CID_POWER_LINE_FREQUENCY: |
| 362 | setlightfreq(gspca_dev, ctrl->val); |
| 363 | break; |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 364 | } |
| 365 | return gspca_dev->usb_err; |
| 366 | } |
| 367 | |
| 368 | static const struct v4l2_ctrl_ops sd_ctrl_ops = { |
| 369 | .s_ctrl = sd_s_ctrl, |
| 370 | }; |
| 371 | |
| 372 | static int sd_init_controls(struct gspca_dev *gspca_dev) |
| 373 | { |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 374 | struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; |
| 375 | |
| 376 | gspca_dev->vdev.ctrl_handler = hdl; |
Hans de Goede | b56ab4c | 2012-06-27 16:48:33 -0300 | [diff] [blame] | 377 | v4l2_ctrl_handler_init(hdl, 4); |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 378 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 379 | V4L2_CID_BRIGHTNESS, 0, 255, 1, 127); |
| 380 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 381 | V4L2_CID_CONTRAST, 0, 255, 1, 127); |
| 382 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 383 | V4L2_CID_SATURATION, 0, 255, 1, 127); |
| 384 | v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, |
| 385 | V4L2_CID_POWER_LINE_FREQUENCY, |
| 386 | V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 1, |
| 387 | V4L2_CID_POWER_LINE_FREQUENCY_50HZ); |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 388 | |
| 389 | if (hdl->error) { |
| 390 | pr_err("Could not initialize controls\n"); |
| 391 | return hdl->error; |
| 392 | } |
| 393 | return 0; |
| 394 | } |
| 395 | |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 396 | /* sub-driver description */ |
Jean-Francois Moine | 739570b | 2008-07-14 09:38:29 -0300 | [diff] [blame] | 397 | static const struct sd_desc sd_desc = { |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 398 | .name = MODULE_NAME, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 399 | .config = sd_config, |
Jean-Francois Moine | 012d6b0 | 2008-09-03 17:12:16 -0300 | [diff] [blame] | 400 | .init = sd_init, |
Hans Verkuil | 74dec79 | 2012-05-16 08:38:34 -0300 | [diff] [blame] | 401 | .init_controls = sd_init_controls, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 402 | .start = sd_start, |
| 403 | .stopN = sd_stopN, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 404 | .pkt_scan = sd_pkt_scan, |
| 405 | }; |
| 406 | |
| 407 | /* -- module initialisation -- */ |
Jean-François Moine | 95c967c | 2011-01-13 05:20:29 -0300 | [diff] [blame] | 408 | static const struct usb_device_id device_table[] = { |
Jean-Francois Moine | 9d64fdb | 2008-07-25 08:53:03 -0300 | [diff] [blame] | 409 | {USB_DEVICE(0x05e1, 0x0893)}, |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 410 | {} |
| 411 | }; |
| 412 | MODULE_DEVICE_TABLE(usb, device_table); |
| 413 | |
| 414 | /* -- device connect -- */ |
| 415 | static int sd_probe(struct usb_interface *intf, |
| 416 | const struct usb_device_id *id) |
| 417 | { |
Jean-Francois Moine | d43fa32 | 2008-06-12 10:58:58 -0300 | [diff] [blame] | 418 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), |
| 419 | THIS_MODULE); |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | static struct usb_driver sd_driver = { |
| 423 | .name = MODULE_NAME, |
| 424 | .id_table = device_table, |
| 425 | .probe = sd_probe, |
| 426 | .disconnect = gspca_disconnect, |
Jean-Francois Moine | 6a70974 | 2008-09-03 16:48:10 -0300 | [diff] [blame] | 427 | #ifdef CONFIG_PM |
| 428 | .suspend = gspca_suspend, |
| 429 | .resume = gspca_resume, |
Hans de Goede | 8bb5896 | 2012-06-30 06:44:47 -0300 | [diff] [blame] | 430 | .reset_resume = gspca_resume, |
Jean-Francois Moine | 6a70974 | 2008-09-03 16:48:10 -0300 | [diff] [blame] | 431 | #endif |
Jean-Francois Moine | 63eb954 | 2008-04-12 09:58:09 -0300 | [diff] [blame] | 432 | }; |
| 433 | |
Greg Kroah-Hartman | ecb3b2b | 2011-11-18 09:46:12 -0800 | [diff] [blame] | 434 | module_usb_driver(sd_driver); |